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Diffstat (limited to 'drivers/net/bnx2x_main.c')
-rw-r--r--drivers/net/bnx2x_main.c10294
1 files changed, 10294 insertions, 0 deletions
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
new file mode 100644
index 000000000000..0263bef9cc6d
--- /dev/null
+++ b/drivers/net/bnx2x_main.c
@@ -0,0 +1,10294 @@
+/* bnx2x_main.c: Broadcom Everest network driver.
+ *
+ * Copyright (c) 2007-2008 Broadcom Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation.
+ *
+ * Maintained by: Eilon Greenstein <eilong@broadcom.com>
+ * Written by: Eliezer Tamir
+ * Based on code from Michael Chan's bnx2 driver
+ * UDP CSUM errata workaround by Arik Gendelman
+ * Slowpath rework by Vladislav Zolotarov
+ * Statistics and Link management by Yitchak Gertner
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/kernel.h>
+#include <linux/device.h> /* for dev_info() */
+#include <linux/timer.h>
+#include <linux/errno.h>
+#include <linux/ioport.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/dma-mapping.h>
+#include <linux/bitops.h>
+#include <linux/irq.h>
+#include <linux/delay.h>
+#include <asm/byteorder.h>
+#include <linux/time.h>
+#include <linux/ethtool.h>
+#include <linux/mii.h>
+#ifdef NETIF_F_HW_VLAN_TX
+ #include <linux/if_vlan.h>
+#endif
+#include <net/ip.h>
+#include <net/tcp.h>
+#include <net/checksum.h>
+#include <linux/version.h>
+#include <net/ip6_checksum.h>
+#include <linux/workqueue.h>
+#include <linux/crc32.h>
+#include <linux/crc32c.h>
+#include <linux/prefetch.h>
+#include <linux/zlib.h>
+#include <linux/io.h>
+
+#include "bnx2x_reg.h"
+#include "bnx2x_fw_defs.h"
+#include "bnx2x_hsi.h"
+#include "bnx2x_link.h"
+#include "bnx2x.h"
+#include "bnx2x_init.h"
+
+#define DRV_MODULE_VERSION "1.45.6"
+#define DRV_MODULE_RELDATE "2008/06/23"
+#define BNX2X_BC_VER 0x040200
+
+/* Time in jiffies before concluding the transmitter is hung */
+#define TX_TIMEOUT (5*HZ)
+
+static char version[] __devinitdata =
+ "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
+ DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
+
+MODULE_AUTHOR("Eliezer Tamir");
+MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_MODULE_VERSION);
+
+static int use_inta;
+static int poll;
+static int debug;
+static int disable_tpa;
+static int nomcp;
+static int load_count[3]; /* 0-common, 1-port0, 2-port1 */
+static int use_multi;
+
+module_param(use_inta, int, 0);
+module_param(poll, int, 0);
+module_param(debug, int, 0);
+module_param(disable_tpa, int, 0);
+module_param(nomcp, int, 0);
+MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X");
+MODULE_PARM_DESC(poll, "use polling (for debug)");
+MODULE_PARM_DESC(debug, "default debug msglevel");
+MODULE_PARM_DESC(nomcp, "ignore management CPU");
+
+#ifdef BNX2X_MULTI
+module_param(use_multi, int, 0);
+MODULE_PARM_DESC(use_multi, "use per-CPU queues");
+#endif
+
+enum bnx2x_board_type {
+ BCM57710 = 0,
+ BCM57711 = 1,
+ BCM57711E = 2,
+};
+
+/* indexed by board_type, above */
+static struct {
+ char *name;
+} board_info[] __devinitdata = {
+ { "Broadcom NetXtreme II BCM57710 XGb" },
+ { "Broadcom NetXtreme II BCM57711 XGb" },
+ { "Broadcom NetXtreme II BCM57711E XGb" }
+};
+
+
+static const struct pci_device_id bnx2x_pci_tbl[] = {
+ { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57710,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57710 },
+ { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711 },
+ { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711E,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711E },
+ { 0 }
+};
+
+MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
+
+/****************************************************************************
+* General service functions
+****************************************************************************/
+
+/* used only at init
+ * locking is done by mcp
+ */
+static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
+{
+ pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
+ pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
+ pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
+ PCICFG_VENDOR_ID_OFFSET);
+}
+
+static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
+{
+ u32 val;
+
+ pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
+ pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
+ pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
+ PCICFG_VENDOR_ID_OFFSET);
+
+ return val;
+}
+
+static const u32 dmae_reg_go_c[] = {
+ DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
+ DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
+ DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
+ DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
+};
+
+/* copy command into DMAE command memory and set DMAE command go */
+static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae,
+ int idx)
+{
+ u32 cmd_offset;
+ int i;
+
+ cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
+ for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
+ REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
+
+ DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
+ idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
+ }
+ REG_WR(bp, dmae_reg_go_c[idx], 1);
+}
+
+void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
+ u32 len32)
+{
+ struct dmae_command *dmae = &bp->init_dmae;
+ u32 *wb_comp = bnx2x_sp(bp, wb_comp);
+ int cnt = 200;
+
+ if (!bp->dmae_ready) {
+ u32 *data = bnx2x_sp(bp, wb_data[0]);
+
+ DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
+ " using indirect\n", dst_addr, len32);
+ bnx2x_init_ind_wr(bp, dst_addr, data, len32);
+ return;
+ }
+
+ mutex_lock(&bp->dmae_mutex);
+
+ memset(dmae, 0, sizeof(struct dmae_command));
+
+ dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
+ DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
+ DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
+#ifdef __BIG_ENDIAN
+ DMAE_CMD_ENDIANITY_B_DW_SWAP |
+#else
+ DMAE_CMD_ENDIANITY_DW_SWAP |
+#endif
+ (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
+ (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
+ dmae->src_addr_lo = U64_LO(dma_addr);
+ dmae->src_addr_hi = U64_HI(dma_addr);
+ dmae->dst_addr_lo = dst_addr >> 2;
+ dmae->dst_addr_hi = 0;
+ dmae->len = len32;
+ dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
+ dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
+ dmae->comp_val = DMAE_COMP_VAL;
+
+ DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
+ DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
+ "dst_addr [%x:%08x (%08x)]\n"
+ DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
+ dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
+ dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, dst_addr,
+ dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
+ DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
+ bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
+ bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
+
+ *wb_comp = 0;
+
+ bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
+
+ udelay(5);
+
+ while (*wb_comp != DMAE_COMP_VAL) {
+ DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
+
+ /* adjust delay for emulation/FPGA */
+ if (CHIP_REV_IS_SLOW(bp))
+ msleep(100);
+ else
+ udelay(5);
+
+ if (!cnt) {
+ BNX2X_ERR("dmae timeout!\n");
+ break;
+ }
+ cnt--;
+ }
+
+ mutex_unlock(&bp->dmae_mutex);
+}
+
+void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
+{
+ struct dmae_command *dmae = &bp->init_dmae;
+ u32 *wb_comp = bnx2x_sp(bp, wb_comp);
+ int cnt = 200;
+
+ if (!bp->dmae_ready) {
+ u32 *data = bnx2x_sp(bp, wb_data[0]);
+ int i;
+
+ DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
+ " using indirect\n", src_addr, len32);
+ for (i = 0; i < len32; i++)
+ data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
+ return;
+ }
+
+ mutex_lock(&bp->dmae_mutex);
+
+ memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4);
+ memset(dmae, 0, sizeof(struct dmae_command));
+
+ dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
+ DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
+ DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
+#ifdef __BIG_ENDIAN
+ DMAE_CMD_ENDIANITY_B_DW_SWAP |
+#else
+ DMAE_CMD_ENDIANITY_DW_SWAP |
+#endif
+ (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
+ (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
+ dmae->src_addr_lo = src_addr >> 2;
+ dmae->src_addr_hi = 0;
+ dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
+ dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
+ dmae->len = len32;
+ dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
+ dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
+ dmae->comp_val = DMAE_COMP_VAL;
+
+ DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
+ DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
+ "dst_addr [%x:%08x (%08x)]\n"
+ DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
+ dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
+ dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, src_addr,
+ dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
+
+ *wb_comp = 0;
+
+ bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
+
+ udelay(5);
+
+ while (*wb_comp != DMAE_COMP_VAL) {
+
+ /* adjust delay for emulation/FPGA */
+ if (CHIP_REV_IS_SLOW(bp))
+ msleep(100);
+ else
+ udelay(5);
+
+ if (!cnt) {
+ BNX2X_ERR("dmae timeout!\n");
+ break;
+ }
+ cnt--;
+ }
+ DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
+ bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
+ bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
+
+ mutex_unlock(&bp->dmae_mutex);
+}
+
+/* used only for slowpath so not inlined */
+static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
+{
+ u32 wb_write[2];
+
+ wb_write[0] = val_hi;
+ wb_write[1] = val_lo;
+ REG_WR_DMAE(bp, reg, wb_write, 2);
+}
+
+#ifdef USE_WB_RD
+static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
+{
+ u32 wb_data[2];
+
+ REG_RD_DMAE(bp, reg, wb_data, 2);
+
+ return HILO_U64(wb_data[0], wb_data[1]);
+}
+#endif
+
+static int bnx2x_mc_assert(struct bnx2x *bp)
+{
+ char last_idx;
+ int i, rc = 0;
+ u32 row0, row1, row2, row3;
+
+ /* XSTORM */
+ last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
+ XSTORM_ASSERT_LIST_INDEX_OFFSET);
+ if (last_idx)
+ BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
+
+ /* print the asserts */
+ for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
+
+ row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
+ XSTORM_ASSERT_LIST_OFFSET(i));
+ row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
+ XSTORM_ASSERT_LIST_OFFSET(i) + 4);
+ row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
+ XSTORM_ASSERT_LIST_OFFSET(i) + 8);
+ row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
+ XSTORM_ASSERT_LIST_OFFSET(i) + 12);
+
+ if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
+ BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
+ " 0x%08x 0x%08x 0x%08x\n",
+ i, row3, row2, row1, row0);
+ rc++;
+ } else {
+ break;
+ }
+ }
+
+ /* TSTORM */
+ last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
+ TSTORM_ASSERT_LIST_INDEX_OFFSET);
+ if (last_idx)
+ BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
+
+ /* print the asserts */
+ for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
+
+ row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
+ TSTORM_ASSERT_LIST_OFFSET(i));
+ row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
+ TSTORM_ASSERT_LIST_OFFSET(i) + 4);
+ row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
+ TSTORM_ASSERT_LIST_OFFSET(i) + 8);
+ row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
+ TSTORM_ASSERT_LIST_OFFSET(i) + 12);
+
+ if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
+ BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
+ " 0x%08x 0x%08x 0x%08x\n",
+ i, row3, row2, row1, row0);
+ rc++;
+ } else {
+ break;
+ }
+ }
+
+ /* CSTORM */
+ last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
+ CSTORM_ASSERT_LIST_INDEX_OFFSET);
+ if (last_idx)
+ BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
+
+ /* print the asserts */
+ for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
+
+ row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
+ CSTORM_ASSERT_LIST_OFFSET(i));
+ row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
+ CSTORM_ASSERT_LIST_OFFSET(i) + 4);
+ row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
+ CSTORM_ASSERT_LIST_OFFSET(i) + 8);
+ row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
+ CSTORM_ASSERT_LIST_OFFSET(i) + 12);
+
+ if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
+ BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
+ " 0x%08x 0x%08x 0x%08x\n",
+ i, row3, row2, row1, row0);
+ rc++;
+ } else {
+ break;
+ }
+ }
+
+ /* USTORM */
+ last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
+ USTORM_ASSERT_LIST_INDEX_OFFSET);
+ if (last_idx)
+ BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
+
+ /* print the asserts */
+ for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
+
+ row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
+ USTORM_ASSERT_LIST_OFFSET(i));
+ row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
+ USTORM_ASSERT_LIST_OFFSET(i) + 4);
+ row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
+ USTORM_ASSERT_LIST_OFFSET(i) + 8);
+ row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
+ USTORM_ASSERT_LIST_OFFSET(i) + 12);
+
+ if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
+ BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
+ " 0x%08x 0x%08x 0x%08x\n",
+ i, row3, row2, row1, row0);
+ rc++;
+ } else {
+ break;
+ }
+ }
+
+ return rc;
+}
+
+static void bnx2x_fw_dump(struct bnx2x *bp)
+{
+ u32 mark, offset;
+ u32 data[9];
+ int word;
+
+ mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104);
+ mark = ((mark + 0x3) & ~0x3);
+ printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n" KERN_ERR, mark);
+
+ for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) {
+ for (word = 0; word < 8; word++)
+ data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
+ offset + 4*word));
+ data[8] = 0x0;
+ printk(KERN_CONT "%s", (char *)data);
+ }
+ for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) {
+ for (word = 0; word < 8; word++)
+ data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
+ offset + 4*word));
+ data[8] = 0x0;
+ printk(KERN_CONT "%s", (char *)data);
+ }
+ printk("\n" KERN_ERR PFX "end of fw dump\n");
+}
+
+static void bnx2x_panic_dump(struct bnx2x *bp)
+{
+ int i;
+ u16 j, start, end;
+
+ BNX2X_ERR("begin crash dump -----------------\n");
+
+ for_each_queue(bp, i) {
+ struct bnx2x_fastpath *fp = &bp->fp[i];
+ struct eth_tx_db_data *hw_prods = fp->hw_tx_prods;
+
+ BNX2X_ERR("queue[%d]: tx_pkt_prod(%x) tx_pkt_cons(%x)"
+ " tx_bd_prod(%x) tx_bd_cons(%x) *tx_cons_sb(%x)\n",
+ i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
+ fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
+ BNX2X_ERR(" rx_comp_prod(%x) rx_comp_cons(%x)"
+ " *rx_cons_sb(%x) *rx_bd_cons_sb(%x)"
+ " rx_sge_prod(%x) last_max_sge(%x)\n",
+ fp->rx_comp_prod, fp->rx_comp_cons,
+ le16_to_cpu(*fp->rx_cons_sb),
+ le16_to_cpu(*fp->rx_bd_cons_sb),
+ fp->rx_sge_prod, fp->last_max_sge);
+ BNX2X_ERR(" fp_c_idx(%x) fp_u_idx(%x)"
+ " bd data(%x,%x) rx_alloc_failed(%lx)\n",
+ fp->fp_c_idx, fp->fp_u_idx, hw_prods->packets_prod,
+ hw_prods->bds_prod, fp->rx_alloc_failed);
+
+ start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
+ end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
+ for (j = start; j < end; j++) {
+ struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
+
+ BNX2X_ERR("packet[%x]=[%p,%x]\n", j,
+ sw_bd->skb, sw_bd->first_bd);
+ }
+
+ start = TX_BD(fp->tx_bd_cons - 10);
+ end = TX_BD(fp->tx_bd_cons + 254);
+ for (j = start; j < end; j++) {
+ u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
+
+ BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n",
+ j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
+ }
+
+ start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
+ end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
+ for (j = start; j < end; j++) {
+ u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
+ struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
+
+ BNX2X_ERR("rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
+ j, rx_bd[1], rx_bd[0], sw_bd->skb);
+ }
+
+ start = 0;
+ end = RX_SGE_CNT*NUM_RX_SGE_PAGES;
+ for (j = start; j < end; j++) {
+ u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
+ struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
+
+ BNX2X_ERR("rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
+ j, rx_sge[1], rx_sge[0], sw_page->page);
+ }
+
+ start = RCQ_BD(fp->rx_comp_cons - 10);
+ end = RCQ_BD(fp->rx_comp_cons + 503);
+ for (j = start; j < end; j++) {
+ u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
+
+ BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n",
+ j, cqe[0], cqe[1], cqe[2], cqe[3]);
+ }
+ }
+
+ BNX2X_ERR("def_c_idx(%u) def_u_idx(%u) def_x_idx(%u)"
+ " def_t_idx(%u) def_att_idx(%u) attn_state(%u)"
+ " spq_prod_idx(%u)\n",
+ bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx,
+ bp->def_att_idx, bp->attn_state, bp->spq_prod_idx);
+
+ bnx2x_fw_dump(bp);
+ bnx2x_mc_assert(bp);
+ BNX2X_ERR("end crash dump -----------------\n");
+
+ bp->stats_state = STATS_STATE_DISABLED;
+ DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
+}
+
+static void bnx2x_int_enable(struct bnx2x *bp)
+{
+ int port = BP_PORT(bp);
+ u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
+ u32 val = REG_RD(bp, addr);
+ int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
+
+ if (msix) {
+ val &= ~HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
+ val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
+ HC_CONFIG_0_REG_ATTN_BIT_EN_0);
+ } else {
+ val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
+ HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
+ HC_CONFIG_0_REG_INT_LINE_EN_0 |
+ HC_CONFIG_0_REG_ATTN_BIT_EN_0);
+
+ DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
+ val, port, addr, msix);
+
+ REG_WR(bp, addr, val);
+
+ val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
+ }
+
+ DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
+ val, port, addr, msix);
+
+ REG_WR(bp, addr, val);
+
+ if (CHIP_IS_E1H(bp)) {
+ /* init leading/trailing edge */
+ if (IS_E1HMF(bp)) {
+ val = (0xfe0f | (1 << (BP_E1HVN(bp) + 4)));
+ if (bp->port.pmf)
+ /* enable nig attention */
+ val |= 0x0100;
+ } else
+ val = 0xffff;
+
+ REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
+ REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
+ }
+}
+
+static void bnx2x_int_disable(struct bnx2x *bp)
+{
+ int port = BP_PORT(bp);
+ u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
+ u32 val = REG_RD(bp, addr);
+
+ val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
+ HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
+ HC_CONFIG_0_REG_INT_LINE_EN_0 |
+ HC_CONFIG_0_REG_ATTN_BIT_EN_0);
+
+ DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
+ val, port, addr);
+
+ REG_WR(bp, addr, val);
+ if (REG_RD(bp, addr) != val)
+ BNX2X_ERR("BUG! proper val not read from IGU!\n");
+}
+
+static void bnx2x_int_disable_sync(struct bnx2x *bp)
+{
+ int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
+ int i;
+
+ /* disable interrupt handling */
+ atomic_inc(&bp->intr_sem);
+ /* prevent the HW from sending interrupts */
+ bnx2x_int_disable(bp);
+
+ /* make sure all ISRs are done */
+ if (msix) {
+ for_each_queue(bp, i)
+ synchronize_irq(bp->msix_table[i].vector);
+
+ /* one more for the Slow Path IRQ */
+ synchronize_irq(bp->msix_table[i].vector);
+ } else
+ synchronize_irq(bp->pdev->irq);
+
+ /* make sure sp_task is not running */
+ cancel_work_sync(&bp->sp_task);
+}
+
+/* fast path */
+
+/*
+ * General service functions
+ */
+
+static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id,
+ u8 storm, u16 index, u8 op, u8 update)
+{
+ u32 igu_addr = (IGU_ADDR_INT_ACK + IGU_FUNC_BASE * BP_FUNC(bp)) * 8;
+ struct igu_ack_register igu_ack;
+
+ igu_ack.status_block_index = index;
+ igu_ack.sb_id_and_flags =
+ ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
+ (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
+ (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
+ (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
+
+ DP(BNX2X_MSG_OFF, "write 0x%08x to IGU addr 0x%x\n",
+ (*(u32 *)&igu_ack), BAR_IGU_INTMEM + igu_addr);
+ REG_WR(bp, BAR_IGU_INTMEM + igu_addr, (*(u32 *)&igu_ack));
+}
+
+static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
+{
+ struct host_status_block *fpsb = fp->status_blk;
+ u16 rc = 0;
+
+ barrier(); /* status block is written to by the chip */
+ if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) {
+ fp->fp_c_idx = fpsb->c_status_block.status_block_index;
+ rc |= 1;
+ }
+ if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) {
+ fp->fp_u_idx = fpsb->u_status_block.status_block_index;
+ rc |= 2;
+ }
+ return rc;
+}
+
+static inline int bnx2x_has_work(struct bnx2x_fastpath *fp)
+{
+ u16 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
+
+ if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
+ rx_cons_sb++;
+
+ if ((fp->rx_comp_cons != rx_cons_sb) ||
+ (fp->tx_pkt_prod != le16_to_cpu(*fp->tx_cons_sb)) ||
+ (fp->tx_pkt_prod != fp->tx_pkt_cons))
+ return 1;
+
+ return 0;
+}
+
+static u16 bnx2x_ack_int(struct bnx2x *bp)
+{
+ u32 igu_addr = (IGU_ADDR_SIMD_MASK + IGU_FUNC_BASE * BP_FUNC(bp)) * 8;
+ u32 result = REG_RD(bp, BAR_IGU_INTMEM + igu_addr);
+
+ DP(BNX2X_MSG_OFF, "read 0x%08x from IGU addr 0x%x\n",
+ result, BAR_IGU_INTMEM + igu_addr);
+
+#ifdef IGU_DEBUG
+#warning IGU_DEBUG active
+ if (result == 0) {
+ BNX2X_ERR("read %x from IGU\n", result);
+ REG_WR(bp, TM_REG_TIMER_SOFT_RST, 0);
+ }
+#endif
+ return result;
+}
+
+
+/*
+ * fast path service functions
+ */
+
+/* free skb in the packet ring at pos idx
+ * return idx of last bd freed
+ */
+static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
+ u16 idx)
+{
+ struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx];
+ struct eth_tx_bd *tx_bd;
+ struct sk_buff *skb = tx_buf->skb;
+ u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons;
+ int nbd;
+
+ DP(BNX2X_MSG_OFF, "pkt_idx %d buff @(%p)->skb %p\n",
+ idx, tx_buf, skb);
+
+ /* unmap first bd */
+ DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx);
+ tx_bd = &fp->tx_desc_ring[bd_idx];
+ pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd),
+ BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
+
+ nbd = le16_to_cpu(tx_bd->nbd) - 1;
+ new_cons = nbd + tx_buf->first_bd;
+#ifdef BNX2X_STOP_ON_ERROR
+ if (nbd > (MAX_SKB_FRAGS + 2)) {
+ BNX2X_ERR("BAD nbd!\n");
+ bnx2x_panic();
+ }
+#endif
+
+ /* Skip a parse bd and the TSO split header bd
+ since they have no mapping */
+ if (nbd)
+ bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
+
+ if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM |
+ ETH_TX_BD_FLAGS_TCP_CSUM |
+ ETH_TX_BD_FLAGS_SW_LSO)) {
+ if (--nbd)
+ bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
+ tx_bd = &fp->tx_desc_ring[bd_idx];
+ /* is this a TSO split header bd? */
+ if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) {
+ if (--nbd)
+ bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
+ }
+ }
+
+ /* now free frags */
+ while (nbd > 0) {
+
+ DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx);
+ tx_bd = &fp->tx_desc_ring[bd_idx];
+ pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd),
+ BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
+ if (--nbd)
+ bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
+ }
+
+ /* release skb */
+ BUG_TRAP(skb);
+ dev_kfree_skb(skb);
+ tx_buf->first_bd = 0;
+ tx_buf->skb = NULL;
+
+ return new_cons;
+}
+
+static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
+{
+ s16 used;
+ u16 prod;
+ u16 cons;
+
+ barrier(); /* Tell compiler that prod and cons can change */
+ prod = fp->tx_bd_prod;
+ cons = fp->tx_bd_cons;
+
+ /* NUM_TX_RINGS = number of "next-page" entries
+ It will be used as a threshold */
+ used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS;
+
+#ifdef BNX2X_STOP_ON_ERROR
+ BUG_TRAP(used >= 0);
+ BUG_TRAP(used <= fp->bp->tx_ring_size);
+ BUG_TRAP((fp->bp->tx_ring_size - used) <= MAX_TX_AVAIL);
+#endif
+
+ return (s16)(fp->bp->tx_ring_size) - used;
+}
+
+static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
+{
+ struct bnx2x *bp = fp->bp;
+ u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons;
+ int done = 0;
+
+#ifdef BNX2X_STOP_ON_ERROR
+ if (unlikely(bp->panic))
+ return;
+#endif
+
+ hw_cons = le16_to_cpu(*fp->tx_cons_sb);
+ sw_cons = fp->tx_pkt_cons;
+
+ while (sw_cons != hw_cons) {
+ u16 pkt_cons;
+
+ pkt_cons = TX_BD(sw_cons);
+
+ /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */
+
+ DP(NETIF_MSG_TX_DONE, "hw_cons %u sw_cons %u pkt_cons %u\n",
+ hw_cons, sw_cons, pkt_cons);
+
+/* if (NEXT_TX_IDX(sw_cons) != hw_cons) {
+ rmb();
+ prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb);
+ }
+*/
+ bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons);
+ sw_cons++;
+ done++;
+
+ if (done == work)
+ break;
+ }
+
+ fp->tx_pkt_cons = sw_cons;
+ fp->tx_bd_cons = bd_cons;
+
+ /* Need to make the tx_cons update visible to start_xmit()
+ * before checking for netif_queue_stopped(). Without the
+ * memory barrier, there is a small possibility that start_xmit()
+ * will miss it and cause the queue to be stopped forever.
+ */
+ smp_mb();
+
+ /* TBD need a thresh? */
+ if (unlikely(netif_queue_stopped(bp->dev))) {
+
+ netif_tx_lock(bp->dev);
+
+ if (netif_queue_stopped(bp->dev) &&
+ (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
+ netif_wake_queue(bp->dev);
+
+ netif_tx_unlock(bp->dev);
+ }
+}
+
+static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
+ union eth_rx_cqe *rr_cqe)
+{
+ struct bnx2x *bp = fp->bp;
+ int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
+ int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
+
+ DP(BNX2X_MSG_SP,
+ "fp %d cid %d got ramrod #%d state is %x type is %d\n",
+ FP_IDX(fp), cid, command, bp->state,
+ rr_cqe->ramrod_cqe.ramrod_type);
+
+ bp->spq_left++;
+
+ if (FP_IDX(fp)) {
+ switch (command | fp->state) {
+ case (RAMROD_CMD_ID_ETH_CLIENT_SETUP |
+ BNX2X_FP_STATE_OPENING):
+ DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n",
+ cid);
+ fp->state = BNX2X_FP_STATE_OPEN;
+ break;
+
+ case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
+ DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n",
+ cid);
+ fp->state = BNX2X_FP_STATE_HALTED;
+ break;
+
+ default:
+ BNX2X_ERR("unexpected MC reply (%d) "
+ "fp->state is %x\n", command, fp->state);
+ break;
+ }
+ mb(); /* force bnx2x_wait_ramrod() to see the change */
+ return;
+ }
+
+ switch (command | bp->state) {
+ case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT):
+ DP(NETIF_MSG_IFUP, "got setup ramrod\n");
+ bp->state = BNX2X_STATE_OPEN;
+ break;
+
+ case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT):
+ DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
+ bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE;
+ fp->state = BNX2X_FP_STATE_HALTED;
+ break;
+
+ case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT):
+ DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid);
+ bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
+ break;
+
+ case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
+ case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
+ DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
+ bp->set_mac_pending = 0;
+ break;
+
+ case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
+ DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
+ break;
+
+ default:
+ BNX2X_ERR("unexpected MC reply (%d) bp->state is %x\n",
+ command, bp->state);
+ break;
+ }
+ mb(); /* force bnx2x_wait_ramrod() to see the change */
+}
+
+static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
+ struct bnx2x_fastpath *fp, u16 index)
+{
+ struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
+ struct page *page = sw_buf->page;
+ struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
+
+ /* Skip "next page" elements */
+ if (!page)
+ return;
+
+ pci_unmap_page(bp->pdev, pci_unmap_addr(sw_buf, mapping),
+ BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
+ __free_pages(page, PAGES_PER_SGE_SHIFT);
+
+ sw_buf->page = NULL;
+ sge->addr_hi = 0;
+ sge->addr_lo = 0;
+}
+
+static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
+ struct bnx2x_fastpath *fp, int last)
+{
+ int i;
+
+ for (i = 0; i < last; i++)
+ bnx2x_free_rx_sge(bp, fp, i);
+}
+
+static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp,
+ struct bnx2x_fastpath *fp, u16 index)
+{
+ struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT);
+ struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
+ struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
+ dma_addr_t mapping;
+
+ if (unlikely(page == NULL))
+ return -ENOMEM;
+
+ mapping = pci_map_page(bp->pdev, page, 0, BCM_PAGE_SIZE*PAGES_PER_SGE,
+ PCI_DMA_FROMDEVICE);
+ if (unlikely(dma_mapping_error(mapping))) {
+ __free_pages(page, PAGES_PER_SGE_SHIFT);
+ return -ENOMEM;
+ }
+
+ sw_buf->page = page;
+ pci_unmap_addr_set(sw_buf, mapping, mapping);
+
+ sge->addr_hi = cpu_to_le32(U64_HI(mapping));
+ sge->addr_lo = cpu_to_le32(U64_LO(mapping));
+
+ return 0;
+}
+
+static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp,
+ struct bnx2x_fastpath *fp, u16 index)
+{
+ struct sk_buff *skb;
+ struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index];
+ struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index];
+ dma_addr_t mapping;
+
+ skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
+ if (unlikely(skb == NULL))
+ return -ENOMEM;
+
+ mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
+ PCI_DMA_FROMDEVICE);
+ if (unlikely(dma_mapping_error(mapping))) {
+ dev_kfree_skb(skb);
+ return -ENOMEM;
+ }
+
+ rx_buf->skb = skb;
+ pci_unmap_addr_set(rx_buf, mapping, mapping);
+
+ rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
+ rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
+
+ return 0;
+}
+
+/* note that we are not allocating a new skb,
+ * we are just moving one from cons to prod
+ * we are not creating a new mapping,
+ * so there is no need to check for dma_mapping_error().
+ */
+static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp,
+ struct sk_buff *skb, u16 cons, u16 prod)
+{
+ struct bnx2x *bp = fp->bp;
+ struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
+ struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
+ struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
+ struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
+
+ pci_dma_sync_single_for_device(bp->pdev,
+ pci_unmap_addr(cons_rx_buf, mapping),
+ bp->rx_offset + RX_COPY_THRESH,
+ PCI_DMA_FROMDEVICE);
+
+ prod_rx_buf->skb = cons_rx_buf->skb;
+ pci_unmap_addr_set(prod_rx_buf, mapping,
+ pci_unmap_addr(cons_rx_buf, mapping));
+ *prod_bd = *cons_bd;
+}
+
+static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp,
+ u16 idx)
+{
+ u16 last_max = fp->last_max_sge;
+
+ if (SUB_S16(idx, last_max) > 0)
+ fp->last_max_sge = idx;
+}
+
+static void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
+{
+ int i, j;
+
+ for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
+ int idx = RX_SGE_CNT * i - 1;
+
+ for (j = 0; j < 2; j++) {
+ SGE_MASK_CLEAR_BIT(fp, idx);
+ idx--;
+ }
+ }
+}
+
+static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp,
+ struct eth_fast_path_rx_cqe *fp_cqe)
+{
+ struct bnx2x *bp = fp->bp;
+ u16 sge_len = BCM_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) -
+ le16_to_cpu(fp_cqe->len_on_bd)) >>
+ BCM_PAGE_SHIFT;
+ u16 last_max, last_elem, first_elem;
+ u16 delta = 0;
+ u16 i;
+
+ if (!sge_len)
+ return;
+
+ /* First mark all used pages */
+ for (i = 0; i < sge_len; i++)
+ SGE_MASK_CLEAR_BIT(fp, RX_SGE(le16_to_cpu(fp_cqe->sgl[i])));
+
+ DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n",
+ sge_len - 1, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
+
+ /* Here we assume that the last SGE index is the biggest */
+ prefetch((void *)(fp->sge_mask));
+ bnx2x_update_last_max_sge(fp, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
+
+ last_max = RX_SGE(fp->last_max_sge);
+ last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT;
+ first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT;
+
+ /* If ring is not full */
+ if (last_elem + 1 != first_elem)
+ last_elem++;
+
+ /* Now update the prod */
+ for (i = first_elem; i != last_elem; i = NEXT_SGE_MASK_ELEM(i)) {
+ if (likely(fp->sge_mask[i]))
+ break;
+
+ fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK;
+ delta += RX_SGE_MASK_ELEM_SZ;
+ }
+
+ if (delta > 0) {
+ fp->rx_sge_prod += delta;
+ /* clear page-end entries */
+ bnx2x_clear_sge_mask_next_elems(fp);
+ }
+
+ DP(NETIF_MSG_RX_STATUS,
+ "fp->last_max_sge = %d fp->rx_sge_prod = %d\n",
+ fp->last_max_sge, fp->rx_sge_prod);
+}
+
+static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
+{
+ /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
+ memset(fp->sge_mask, 0xff,
+ (NUM_RX_SGE >> RX_SGE_MASK_ELEM_SHIFT)*sizeof(u64));
+
+ /* Clear the two last indeces in the page to 1:
+ these are the indeces that correspond to the "next" element,
+ hence will never be indicated and should be removed from
+ the calculations. */
+ bnx2x_clear_sge_mask_next_elems(fp);
+}
+
+static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
+ struct sk_buff *skb, u16 cons, u16 prod)
+{
+ struct bnx2x *bp = fp->bp;
+ struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
+ struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
+ struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
+ dma_addr_t mapping;
+
+ /* move empty skb from pool to prod and map it */
+ prod_rx_buf->skb = fp->tpa_pool[queue].skb;
+ mapping = pci_map_single(bp->pdev, fp->tpa_pool[queue].skb->data,
+ bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
+ pci_unmap_addr_set(prod_rx_buf, mapping, mapping);
+
+ /* move partial skb from cons to pool (don't unmap yet) */
+ fp->tpa_pool[queue] = *cons_rx_buf;
+
+ /* mark bin state as start - print error if current state != stop */
+ if (fp->tpa_state[queue] != BNX2X_TPA_STOP)
+ BNX2X_ERR("start of bin not in stop [%d]\n", queue);
+
+ fp->tpa_state[queue] = BNX2X_TPA_START;
+
+ /* point prod_bd to new skb */
+ prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
+ prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
+
+#ifdef BNX2X_STOP_ON_ERROR
+ fp->tpa_queue_used |= (1 << queue);
+#ifdef __powerpc64__
+ DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
+#else
+ DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%llx\n",
+#endif
+ fp->tpa_queue_used);
+#endif
+}
+
+static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
+ struct sk_buff *skb,
+ struct eth_fast_path_rx_cqe *fp_cqe,
+ u16 cqe_idx)
+{
+ struct sw_rx_page *rx_pg, old_rx_pg;
+ struct page *sge;
+ u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd);
+ u32 i, frag_len, frag_size, pages;
+ int err;
+ int j;
+
+ frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd;
+ pages = BCM_PAGE_ALIGN(frag_size) >> BCM_PAGE_SHIFT;
+
+ /* This is needed in order to enable forwarding support */
+ if (frag_size)
+ skb_shinfo(skb)->gso_size = min((u32)BCM_PAGE_SIZE,
+ max(frag_size, (u32)len_on_bd));
+
+#ifdef BNX2X_STOP_ON_ERROR
+ if (pages > 8*PAGES_PER_SGE) {
+ BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n",
+ pages, cqe_idx);
+ BNX2X_ERR("fp_cqe->pkt_len = %d fp_cqe->len_on_bd = %d\n",
+ fp_cqe->pkt_len, len_on_bd);
+ bnx2x_panic();
+ return -EINVAL;
+ }
+#endif
+
+ /* Run through the SGL and compose the fragmented skb */
+ for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) {
+ u16 sge_idx = RX_SGE(le16_to_cpu(fp_cqe->sgl[j]));
+
+ /* FW gives the indices of the SGE as if the ring is an array
+ (meaning that "next" element will consume 2 indices) */
+ frag_len = min(frag_size, (u32)(BCM_PAGE_SIZE*PAGES_PER_SGE));
+ rx_pg = &fp->rx_page_ring[sge_idx];
+ sge = rx_pg->page;
+ old_rx_pg = *rx_pg;
+
+ /* If we fail to allocate a substitute page, we simply stop
+ where we are and drop the whole packet */
+ err = bnx2x_alloc_rx_sge(bp, fp, sge_idx);
+ if (unlikely(err)) {
+ fp->rx_alloc_failed++;
+ return err;
+ }
+
+ /* Unmap the page as we r going to pass it to the stack */
+ pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping),
+ BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
+
+ /* Add one frag and update the appropriate fields in the skb */
+ skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len);
+
+ skb->data_len += frag_len;
+ skb->truesize += frag_len;
+ skb->len += frag_len;
+
+ frag_size -= frag_len;
+ }
+
+ return 0;
+}
+
+static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
+ u16 queue, int pad, int len, union eth_rx_cqe *cqe,
+ u16 cqe_idx)
+{
+ struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue];
+ struct sk_buff *skb = rx_buf->skb;
+ /* alloc new skb */
+ struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
+
+ /* Unmap skb in the pool anyway, as we are going to change
+ pool entry status to BNX2X_TPA_STOP even if new skb allocation
+ fails. */
+ pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
+ bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
+
+ /* if alloc failed drop the packet and keep the buffer in the bin */
+ if (likely(new_skb)) {
+
+ prefetch(skb);
+ prefetch(((char *)(skb)) + 128);
+
+ /* else fix ip xsum and give it to the stack */
+ /* (no need to map the new skb) */
+#ifdef BNX2X_STOP_ON_ERROR
+ if (pad + len > bp->rx_buf_size) {
+ BNX2X_ERR("skb_put is about to fail... "
+ "pad %d len %d rx_buf_size %d\n",
+ pad, len, bp->rx_buf_size);
+ bnx2x_panic();
+ return;
+ }
+#endif
+
+ skb_reserve(skb, pad);
+ skb_put(skb, len);
+
+ skb->protocol = eth_type_trans(skb, bp->dev);
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+
+ {
+ struct iphdr *iph;
+
+ iph = (struct iphdr *)skb->data;
+ iph->check = 0;
+ iph->check = ip_fast_csum((u8 *)iph, iph->ihl);
+ }
+
+ if (!bnx2x_fill_frag_skb(bp, fp, skb,
+ &cqe->fast_path_cqe, cqe_idx)) {
+#ifdef BCM_VLAN
+ if ((bp->vlgrp != NULL) &&
+ (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
+ PARSING_FLAGS_VLAN))
+ vlan_hwaccel_receive_skb(skb, bp->vlgrp,
+ le16_to_cpu(cqe->fast_path_cqe.
+ vlan_tag));
+ else
+#endif
+ netif_receive_skb(skb);
+ } else {
+ DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
+ " - dropping packet!\n");
+ dev_kfree_skb(skb);
+ }
+
+ bp->dev->last_rx = jiffies;
+
+ /* put new skb in bin */
+ fp->tpa_pool[queue].skb = new_skb;
+
+ } else {
+ DP(NETIF_MSG_RX_STATUS,
+ "Failed to allocate new skb - dropping packet!\n");
+ fp->rx_alloc_failed++;
+ }
+
+ fp->tpa_state[queue] = BNX2X_TPA_STOP;
+}
+
+static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
+ struct bnx2x_fastpath *fp,
+ u16 bd_prod, u16 rx_comp_prod,
+ u16 rx_sge_prod)
+{
+ struct tstorm_eth_rx_producers rx_prods = {0};
+ int i;
+
+ /* Update producers */
+ rx_prods.bd_prod = bd_prod;
+ rx_prods.cqe_prod = rx_comp_prod;
+ rx_prods.sge_prod = rx_sge_prod;
+
+ for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++)
+ REG_WR(bp, BAR_TSTRORM_INTMEM +
+ TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4,
+ ((u32 *)&rx_prods)[i]);
+
+ DP(NETIF_MSG_RX_STATUS,
+ "Wrote: bd_prod %u cqe_prod %u sge_prod %u\n",
+ bd_prod, rx_comp_prod, rx_sge_prod);
+}
+
+static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
+{
+ struct bnx2x *bp = fp->bp;
+ u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
+ u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
+ int rx_pkt = 0;
+ u16 queue;
+
+#ifdef BNX2X_STOP_ON_ERROR
+ if (unlikely(bp->panic))
+ return 0;
+#endif
+
+ /* CQ "next element" is of the size of the regular element,
+ that's why it's ok here */
+ hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
+ if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
+ hw_comp_cons++;
+
+ bd_cons = fp->rx_bd_cons;
+ bd_prod = fp->rx_bd_prod;
+ bd_prod_fw = bd_prod;
+ sw_comp_cons = fp->rx_comp_cons;
+ sw_comp_prod = fp->rx_comp_prod;
+
+ /* Memory barrier necessary as speculative reads of the rx
+ * buffer can be ahead of the index in the status block
+ */
+ rmb();
+
+ DP(NETIF_MSG_RX_STATUS,
+ "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n",
+ FP_IDX(fp), hw_comp_cons, sw_comp_cons);
+
+ while (sw_comp_cons != hw_comp_cons) {
+ struct sw_rx_bd *rx_buf = NULL;
+ struct sk_buff *skb;
+ union eth_rx_cqe *cqe;
+ u8 cqe_fp_flags;
+ u16 len, pad;
+
+ comp_ring_cons = RCQ_BD(sw_comp_cons);
+ bd_prod = RX_BD(bd_prod);
+ bd_cons = RX_BD(bd_cons);
+
+ cqe = &fp->rx_comp_ring[comp_ring_cons];
+ cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
+
+ DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x"
+ " queue %x vlan %x len %u\n", CQE_TYPE(cqe_fp_flags),
+ cqe_fp_flags, cqe->fast_path_cqe.status_flags,
+ cqe->fast_path_cqe.rss_hash_result,
+ le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
+ le16_to_cpu(cqe->fast_path_cqe.pkt_len));
+
+ /* is this a slowpath msg? */
+ if (unlikely(CQE_TYPE(cqe_fp_flags))) {
+ bnx2x_sp_event(fp, cqe);
+ goto next_cqe;
+
+ /* this is an rx packet */
+ } else {
+ rx_buf = &fp->rx_buf_ring[bd_cons];
+ skb = rx_buf->skb;
+ len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
+ pad = cqe->fast_path_cqe.placement_offset;
+
+ /* If CQE is marked both TPA_START and TPA_END
+ it is a non-TPA CQE */
+ if ((!fp->disable_tpa) &&
+ (TPA_TYPE(cqe_fp_flags) !=
+ (TPA_TYPE_START | TPA_TYPE_END))) {
+ queue = cqe->fast_path_cqe.queue_index;
+
+ if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) {
+ DP(NETIF_MSG_RX_STATUS,
+ "calling tpa_start on queue %d\n",
+ queue);
+
+ bnx2x_tpa_start(fp, queue, skb,
+ bd_cons, bd_prod);
+ goto next_rx;
+ }
+
+ if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
+ DP(NETIF_MSG_RX_STATUS,
+ "calling tpa_stop on queue %d\n",
+ queue);
+
+ if (!BNX2X_RX_SUM_FIX(cqe))
+ BNX2X_ERR("STOP on none TCP "
+ "data\n");
+
+ /* This is a size of the linear data
+ on this skb */
+ len = le16_to_cpu(cqe->fast_path_cqe.
+ len_on_bd);
+ bnx2x_tpa_stop(bp, fp, queue, pad,
+ len, cqe, comp_ring_cons);
+#ifdef BNX2X_STOP_ON_ERROR
+ if (bp->panic)
+ return -EINVAL;
+#endif
+
+ bnx2x_update_sge_prod(fp,
+ &cqe->fast_path_cqe);
+ goto next_cqe;
+ }
+ }
+
+ pci_dma_sync_single_for_device(bp->pdev,
+ pci_unmap_addr(rx_buf, mapping),
+ pad + RX_COPY_THRESH,
+ PCI_DMA_FROMDEVICE);
+ prefetch(skb);
+ prefetch(((char *)(skb)) + 128);
+
+ /* is this an error packet? */
+ if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
+ /* do we sometimes forward error packets anyway? */
+ DP(NETIF_MSG_RX_ERR,
+ "ERROR flags %x rx packet %u\n",
+ cqe_fp_flags, sw_comp_cons);
+ /* TBD make sure MC counts this as a drop */
+ goto reuse_rx;
+ }
+
+ /* Since we don't have a jumbo ring
+ * copy small packets if mtu > 1500
+ */
+ if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) &&
+ (len <= RX_COPY_THRESH)) {
+ struct sk_buff *new_skb;
+
+ new_skb = netdev_alloc_skb(bp->dev,
+ len + pad);
+ if (new_skb == NULL) {
+ DP(NETIF_MSG_RX_ERR,
+ "ERROR packet dropped "
+ "because of alloc failure\n");
+ fp->rx_alloc_failed++;
+ goto reuse_rx;
+ }
+
+ /* aligned copy */
+ skb_copy_from_linear_data_offset(skb, pad,
+ new_skb->data + pad, len);
+ skb_reserve(new_skb, pad);
+ skb_put(new_skb, len);
+
+ bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
+
+ skb = new_skb;
+
+ } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
+ pci_unmap_single(bp->pdev,
+ pci_unmap_addr(rx_buf, mapping),
+ bp->rx_buf_use_size,
+ PCI_DMA_FROMDEVICE);
+ skb_reserve(skb, pad);
+ skb_put(skb, len);
+
+ } else {
+ DP(NETIF_MSG_RX_ERR,
+ "ERROR packet dropped because "
+ "of alloc failure\n");
+ fp->rx_alloc_failed++;
+reuse_rx:
+ bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
+ goto next_rx;
+ }
+
+ skb->protocol = eth_type_trans(skb, bp->dev);
+
+ skb->ip_summed = CHECKSUM_NONE;
+ if (bp->rx_csum && BNX2X_RX_SUM_OK(cqe))
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+
+ /* TBD do we pass bad csum packets in promisc */
+ }
+
+#ifdef BCM_VLAN
+ if ((bp->vlgrp != NULL) &&
+ (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
+ PARSING_FLAGS_VLAN))
+ vlan_hwaccel_receive_skb(skb, bp->vlgrp,
+ le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
+ else
+#endif
+ netif_receive_skb(skb);
+
+ bp->dev->last_rx = jiffies;
+
+next_rx:
+ rx_buf->skb = NULL;
+
+ bd_cons = NEXT_RX_IDX(bd_cons);
+ bd_prod = NEXT_RX_IDX(bd_prod);
+ bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
+ rx_pkt++;
+next_cqe:
+ sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
+ sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);
+
+ if (rx_pkt == budget)
+ break;
+ } /* while */
+
+ fp->rx_bd_cons = bd_cons;
+ fp->rx_bd_prod = bd_prod_fw;
+ fp->rx_comp_cons = sw_comp_cons;
+ fp->rx_comp_prod = sw_comp_prod;
+
+ /* Update producers */
+ bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
+ fp->rx_sge_prod);
+ mmiowb(); /* keep prod updates ordered */
+
+ fp->rx_pkt += rx_pkt;
+ fp->rx_calls++;
+
+ return rx_pkt;
+}
+
+static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
+{
+ struct bnx2x_fastpath *fp = fp_cookie;
+ struct bnx2x *bp = fp->bp;
+ struct net_device *dev = bp->dev;
+ int index = FP_IDX(fp);
+
+ DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
+ index, FP_SB_ID(fp));
+ bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
+
+#ifdef BNX2X_STOP_ON_ERROR
+ if (unlikely(bp->panic))
+ return IRQ_HANDLED;
+#endif
+
+ prefetch(fp->rx_cons_sb);
+ prefetch(fp->tx_cons_sb);
+ prefetch(&fp->status_blk->c_status_block.status_block_index);
+ prefetch(&fp->status_blk->u_status_block.status_block_index);
+
+ netif_rx_schedule(dev, &bnx2x_fp(bp, index, napi));
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
+{
+ struct net_device *dev = dev_instance;
+ struct bnx2x *bp = netdev_priv(dev);
+ u16 status = bnx2x_ack_int(bp);
+ u16 mask;
+
+ /* Return here if interrupt is shared and it's not for us */
+ if (unlikely(status == 0)) {
+ DP(NETIF_MSG_INTR, "not our interrupt!\n");
+ return IRQ_NONE;
+ }
+ DP(NETIF_MSG_INTR, "got an interrupt status %u\n", status);
+
+#ifdef BNX2X_STOP_ON_ERROR
+ if (unlikely(bp->panic))
+ return IRQ_HANDLED;
+#endif
+
+ /* Return here if interrupt is disabled */
+ if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
+ DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
+ return IRQ_HANDLED;
+ }
+
+ mask = 0x2 << bp->fp[0].sb_id;
+ if (status & mask) {
+ struct bnx2x_fastpath *fp = &bp->fp[0];
+
+ prefetch(fp->rx_cons_sb);
+ prefetch(fp->tx_cons_sb);
+ prefetch(&fp->status_blk->c_status_block.status_block_index);
+ prefetch(&fp->status_blk->u_status_block.status_block_index);
+
+ netif_rx_schedule(dev, &bnx2x_fp(bp, 0, napi));
+
+ status &= ~mask;
+ }
+
+
+ if (unlikely(status & 0x1)) {
+ schedule_work(&bp->sp_task);
+
+ status &= ~0x1;
+ if (!status)
+ return IRQ_HANDLED;
+ }
+
+ if (status)
+ DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
+ status);
+
+ return IRQ_HANDLED;
+}
+
+/* end of fast path */
+
+static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
+
+/* Link */
+
+/*
+ * General service functions
+ */
+
+static int bnx2x_hw_lock(struct bnx2x *bp, u32 resource)
+{
+ u32 lock_status;
+ u32 resource_bit = (1 << resource);
+ u8 port = BP_PORT(bp);
+ int cnt;
+
+ /* Validating that the resource is within range */
+ if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
+ DP(NETIF_MSG_HW,
+ "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
+ resource, HW_LOCK_MAX_RESOURCE_VALUE);
+ return -EINVAL;
+ }
+
+ /* Validating that the resource is not already taken */
+ lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + port*8);
+ if (lock_status & resource_bit) {
+ DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
+ lock_status, resource_bit);
+ return -EEXIST;
+ }
+
+ /* Try for 1 second every 5ms */
+ for (cnt = 0; cnt < 200; cnt++) {
+ /* Try to acquire the lock */
+ REG_WR(bp, MISC_REG_DRIVER_CONTROL_1 + port*8 + 4,
+ resource_bit);
+ lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + port*8);
+ if (lock_status & resource_bit)
+ return 0;
+
+ msleep(5);
+ }
+ DP(NETIF_MSG_HW, "Timeout\n");
+ return -EAGAIN;
+}
+
+static int bnx2x_hw_unlock(struct bnx2x *bp, u32 resource)
+{
+ u32 lock_status;
+ u32 resource_bit = (1 << resource);
+ u8 port = BP_PORT(bp);
+
+ /* Validating that the resource is within range */
+ if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
+ DP(NETIF_MSG_HW,
+ "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
+ resource, HW_LOCK_MAX_RESOURCE_VALUE);
+ return -EINVAL;
+ }
+
+ /* Validating that the resource is currently taken */
+ lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + port*8);
+ if (!(lock_status & resource_bit)) {
+ DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
+ lock_status, resource_bit);
+ return -EFAULT;
+ }
+
+ REG_WR(bp, MISC_REG_DRIVER_CONTROL_1 + port*8, resource_bit);
+ return 0;
+}
+
+/* HW Lock for shared dual port PHYs */
+static void bnx2x_phy_hw_lock(struct bnx2x *bp)
+{
+ u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
+
+ mutex_lock(&bp->port.phy_mutex);
+
+ if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
+ (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
+ bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
+}
+
+static void bnx2x_phy_hw_unlock(struct bnx2x *bp)
+{
+ u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
+
+ if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
+ (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
+ bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_8072_MDIO);
+
+ mutex_unlock(&bp->port.phy_mutex);
+}
+
+int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode)
+{
+ /* The GPIO should be swapped if swap register is set and active */
+ int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
+ REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ BP_PORT(bp);
+ int gpio_shift = gpio_num +
+ (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
+ u32 gpio_mask = (1 << gpio_shift);
+ u32 gpio_reg;
+
+ if (gpio_num > MISC_REGISTERS_GPIO_3) {
+ BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
+ return -EINVAL;
+ }
+
+ bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
+ /* read GPIO and mask except the float bits */
+ gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
+
+ switch (mode) {
+ case MISC_REGISTERS_GPIO_OUTPUT_LOW:
+ DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
+ gpio_num, gpio_shift);
+ /* clear FLOAT and set CLR */
+ gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
+ gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
+ break;
+
+ case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
+ DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
+ gpio_num, gpio_shift);
+ /* clear FLOAT and set SET */
+ gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
+ gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
+ break;
+
+ case MISC_REGISTERS_GPIO_INPUT_HI_Z :
+ DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
+ gpio_num, gpio_shift);
+ /* set FLOAT */
+ gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
+ break;
+
+ default:
+ break;
+ }
+
+ REG_WR(bp, MISC_REG_GPIO, gpio_reg);
+ bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_GPIO);
+
+ return 0;
+}
+
+static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
+{
+ u32 spio_mask = (1 << spio_num);
+ u32 spio_reg;
+
+ if ((spio_num < MISC_REGISTERS_SPIO_4) ||
+ (spio_num > MISC_REGISTERS_SPIO_7)) {
+ BNX2X_ERR("Invalid SPIO %d\n", spio_num);
+ return -EINVAL;
+ }
+
+ bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
+ /* read SPIO and mask except the float bits */
+ spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
+
+ switch (mode) {
+ case MISC_REGISTERS_SPIO_OUTPUT_LOW :
+ DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
+ /* clear FLOAT and set CLR */
+ spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
+ spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
+ break;
+
+ case MISC_REGISTERS_SPIO_OUTPUT_HIGH :
+ DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
+ /* clear FLOAT and set SET */
+ spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
+ spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
+ break;
+
+ case MISC_REGISTERS_SPIO_INPUT_HI_Z:
+ DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
+ /* set FLOAT */
+ spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
+ break;
+
+ default:
+ break;
+ }
+
+ REG_WR(bp, MISC_REG_SPIO, spio_reg);
+ bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_SPIO);
+
+ return 0;
+}
+
+static void bnx2x_calc_fc_adv(struct bnx2x *bp)
+{
+ switch (bp->link_vars.ieee_fc) {
+ case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
+ bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
+ ADVERTISED_Pause);
+ break;
+ case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
+ bp->port.advertising |= (ADVERTISED_Asym_Pause |
+ ADVERTISED_Pause);
+ break;
+ case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
+ bp->port.advertising |= ADVERTISED_Asym_Pause;
+ break;
+ default:
+ bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
+ ADVERTISED_Pause);
+ break;
+ }
+}
+
+static void bnx2x_link_report(struct bnx2x *bp)
+{
+ if (bp->link_vars.link_up) {
+ if (bp->state == BNX2X_STATE_OPEN)
+ netif_carrier_on(bp->dev);
+ printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
+
+ printk("%d Mbps ", bp->link_vars.line_speed);
+
+ if (bp->link_vars.duplex == DUPLEX_FULL)
+ printk("full duplex");
+ else
+ printk("half duplex");
+
+ if (bp->link_vars.flow_ctrl != FLOW_CTRL_NONE) {
+ if (bp->link_vars.flow_ctrl & FLOW_CTRL_RX) {
+ printk(", receive ");
+ if (bp->link_vars.flow_ctrl & FLOW_CTRL_TX)
+ printk("& transmit ");
+ } else {
+ printk(", transmit ");
+ }
+ printk("flow control ON");
+ }
+ printk("\n");
+
+ } else { /* link_down */
+ netif_carrier_off(bp->dev);
+ printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
+ }
+}
+
+static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
+{
+ u8 rc;
+
+ /* Initialize link parameters structure variables */
+ bp->link_params.mtu = bp->dev->mtu;
+
+ bnx2x_phy_hw_lock(bp);
+ rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
+ bnx2x_phy_hw_unlock(bp);
+
+ if (bp->link_vars.link_up)
+ bnx2x_link_report(bp);
+
+ bnx2x_calc_fc_adv(bp);
+
+ return rc;
+}
+
+static void bnx2x_link_set(struct bnx2x *bp)
+{
+ bnx2x_phy_hw_lock(bp);
+ bnx2x_phy_init(&bp->link_params, &bp->link_vars);
+ bnx2x_phy_hw_unlock(bp);
+
+ bnx2x_calc_fc_adv(bp);
+}
+
+static void bnx2x__link_reset(struct bnx2x *bp)
+{
+ bnx2x_phy_hw_lock(bp);
+ bnx2x_link_reset(&bp->link_params, &bp->link_vars);
+ bnx2x_phy_hw_unlock(bp);
+}
+
+static u8 bnx2x_link_test(struct bnx2x *bp)
+{
+ u8 rc;
+
+ bnx2x_phy_hw_lock(bp);
+ rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
+ bnx2x_phy_hw_unlock(bp);
+
+ return rc;
+}
+
+/* Calculates the sum of vn_min_rates.
+ It's needed for further normalizing of the min_rates.
+
+ Returns:
+ sum of vn_min_rates
+ or
+ 0 - if all the min_rates are 0.
+ In the later case fainess algorithm should be deactivated.
+ If not all min_rates are zero then those that are zeroes will
+ be set to 1.
+ */
+static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
+{
+ int i, port = BP_PORT(bp);
+ u32 wsum = 0;
+ int all_zero = 1;
+
+ for (i = 0; i < E1HVN_MAX; i++) {
+ u32 vn_cfg =
+ SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
+ u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
+ FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
+ if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
+ /* If min rate is zero - set it to 1 */
+ if (!vn_min_rate)
+ vn_min_rate = DEF_MIN_RATE;
+ else
+ all_zero = 0;
+
+ wsum += vn_min_rate;
+ }
+ }
+
+ /* ... only if all min rates are zeros - disable FAIRNESS */
+ if (all_zero)
+ return 0;
+
+ return wsum;
+}
+
+static void bnx2x_init_port_minmax(struct bnx2x *bp,
+ int en_fness,
+ u16 port_rate,
+ struct cmng_struct_per_port *m_cmng_port)
+{
+ u32 r_param = port_rate / 8;
+ int port = BP_PORT(bp);
+ int i;
+
+ memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));
+
+ /* Enable minmax only if we are in e1hmf mode */
+ if (IS_E1HMF(bp)) {
+ u32 fair_periodic_timeout_usec;
+ u32 t_fair;
+
+ /* Enable rate shaping and fairness */
+ m_cmng_port->flags.cmng_vn_enable = 1;
+ m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
+ m_cmng_port->flags.rate_shaping_enable = 1;
+
+ if (!en_fness)
+ DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
+ " fairness will be disabled\n");
+
+ /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
+ m_cmng_port->rs_vars.rs_periodic_timeout =
+ RS_PERIODIC_TIMEOUT_USEC / 4;
+
+ /* this is the threshold below which no timer arming will occur
+ 1.25 coefficient is for the threshold to be a little bigger
+ than the real time, to compensate for timer in-accuracy */
+ m_cmng_port->rs_vars.rs_threshold =
+ (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
+
+ /* resolution of fairness timer */
+ fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
+ /* for 10G it is 1000usec. for 1G it is 10000usec. */
+ t_fair = T_FAIR_COEF / port_rate;
+
+ /* this is the threshold below which we won't arm
+ the timer anymore */
+ m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;
+
+ /* we multiply by 1e3/8 to get bytes/msec.
+ We don't want the credits to pass a credit
+ of the T_FAIR*FAIR_MEM (algorithm resolution) */
+ m_cmng_port->fair_vars.upper_bound =
+ r_param * t_fair * FAIR_MEM;
+ /* since each tick is 4 usec */
+ m_cmng_port->fair_vars.fairness_timeout =
+ fair_periodic_timeout_usec / 4;
+
+ } else {
+ /* Disable rate shaping and fairness */
+ m_cmng_port->flags.cmng_vn_enable = 0;
+ m_cmng_port->flags.fairness_enable = 0;
+ m_cmng_port->flags.rate_shaping_enable = 0;
+
+ DP(NETIF_MSG_IFUP,
+ "Single function mode minmax will be disabled\n");
+ }
+
+ /* Store it to internal memory */
+ for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
+ REG_WR(bp, BAR_XSTRORM_INTMEM +
+ XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
+ ((u32 *)(m_cmng_port))[i]);
+}
+
+static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
+ u32 wsum, u16 port_rate,
+ struct cmng_struct_per_port *m_cmng_port)
+{
+ struct rate_shaping_vars_per_vn m_rs_vn;
+ struct fairness_vars_per_vn m_fair_vn;
+ u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
+ u16 vn_min_rate, vn_max_rate;
+ int i;
+
+ /* If function is hidden - set min and max to zeroes */
+ if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
+ vn_min_rate = 0;
+ vn_max_rate = 0;
+
+ } else {
+ vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
+ FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
+ /* If FAIRNESS is enabled (not all min rates are zeroes) and
+ if current min rate is zero - set it to 1.
+ This is a requirment of the algorithm. */
+ if ((vn_min_rate == 0) && wsum)
+ vn_min_rate = DEF_MIN_RATE;
+ vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
+ FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
+ }
+
+ DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d vn_max_rate=%d "
+ "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);
+
+ memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
+ memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
+
+ /* global vn counter - maximal Mbps for this vn */
+ m_rs_vn.vn_counter.rate = vn_max_rate;
+
+ /* quota - number of bytes transmitted in this period */
+ m_rs_vn.vn_counter.quota =
+ (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
+
+#ifdef BNX2X_PER_PROT_QOS
+ /* per protocol counter */
+ for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
+ /* maximal Mbps for this protocol */
+ m_rs_vn.protocol_counters[protocol].rate =
+ protocol_max_rate[protocol];
+ /* the quota in each timer period -
+ number of bytes transmitted in this period */
+ m_rs_vn.protocol_counters[protocol].quota =
+ (u32)(rs_periodic_timeout_usec *
+ ((double)m_rs_vn.
+ protocol_counters[protocol].rate/8));
+ }
+#endif
+
+ if (wsum) {
+ /* credit for each period of the fairness algorithm:
+ number of bytes in T_FAIR (the vn share the port rate).
+ wsum should not be larger than 10000, thus
+ T_FAIR_COEF / (8 * wsum) will always be grater than zero */
+ m_fair_vn.vn_credit_delta =
+ max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
+ (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
+ DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
+ m_fair_vn.vn_credit_delta);
+ }
+
+#ifdef BNX2X_PER_PROT_QOS
+ do {
+ u32 protocolWeightSum = 0;
+
+ for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
+ protocolWeightSum +=
+ drvInit.protocol_min_rate[protocol];
+ /* per protocol counter -
+ NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
+ if (protocolWeightSum > 0) {
+ for (protocol = 0;
+ protocol < NUM_OF_PROTOCOLS; protocol++)
+ /* credit for each period of the
+ fairness algorithm - number of bytes in
+ T_FAIR (the protocol share the vn rate) */
+ m_fair_vn.protocol_credit_delta[protocol] =
+ (u32)((vn_min_rate / 8) * t_fair *
+ protocol_min_rate / protocolWeightSum);
+ }
+ } while (0);
+#endif
+
+ /* Store it to internal memory */
+ for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
+ REG_WR(bp, BAR_XSTRORM_INTMEM +
+ XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
+ ((u32 *)(&m_rs_vn))[i]);
+
+ for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
+ REG_WR(bp, BAR_XSTRORM_INTMEM +
+ XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
+ ((u32 *)(&m_fair_vn))[i]);
+}
+
+/* This function is called upon link interrupt */
+static void bnx2x_link_attn(struct bnx2x *bp)
+{
+ int vn;
+
+ /* Make sure that we are synced with the current statistics */
+ bnx2x_stats_handle(bp, STATS_EVENT_STOP);
+
+ bnx2x_phy_hw_lock(bp);
+ bnx2x_link_update(&bp->link_params, &bp->link_vars);
+ bnx2x_phy_hw_unlock(bp);
+
+ if (bp->link_vars.link_up) {
+
+ if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
+ struct host_port_stats *pstats;
+
+ pstats = bnx2x_sp(bp, port_stats);
+ /* reset old bmac stats */
+ memset(&(pstats->mac_stx[0]), 0,
+ sizeof(struct mac_stx));
+ }
+ if ((bp->state == BNX2X_STATE_OPEN) ||
+ (bp->state == BNX2X_STATE_DISABLED))
+ bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
+ }
+
+ /* indicate link status */
+ bnx2x_link_report(bp);
+
+ if (IS_E1HMF(bp)) {
+ int func;
+
+ for (vn = VN_0; vn < E1HVN_MAX; vn++) {
+ if (vn == BP_E1HVN(bp))
+ continue;
+
+ func = ((vn << 1) | BP_PORT(bp));
+
+ /* Set the attention towards other drivers
+ on the same port */
+ REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
+ (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
+ }
+ }
+
+ if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
+ struct cmng_struct_per_port m_cmng_port;
+ u32 wsum;
+ int port = BP_PORT(bp);
+
+ /* Init RATE SHAPING and FAIRNESS contexts */
+ wsum = bnx2x_calc_vn_wsum(bp);
+ bnx2x_init_port_minmax(bp, (int)wsum,
+ bp->link_vars.line_speed,
+ &m_cmng_port);
+ if (IS_E1HMF(bp))
+ for (vn = VN_0; vn < E1HVN_MAX; vn++)
+ bnx2x_init_vn_minmax(bp, 2*vn + port,
+ wsum, bp->link_vars.line_speed,
+ &m_cmng_port);
+ }
+}
+
+static void bnx2x__link_status_update(struct bnx2x *bp)
+{
+ if (bp->state != BNX2X_STATE_OPEN)
+ return;
+
+ bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
+
+ if (bp->link_vars.link_up)
+ bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
+ else
+ bnx2x_stats_handle(bp, STATS_EVENT_STOP);
+
+ /* indicate link status */
+ bnx2x_link_report(bp);
+}
+
+static void bnx2x_pmf_update(struct bnx2x *bp)
+{
+ int port = BP_PORT(bp);
+ u32 val;
+
+ bp->port.pmf = 1;
+ DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
+
+ /* enable nig attention */
+ val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
+ REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
+ REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
+
+ bnx2x_stats_handle(bp, STATS_EVENT_PMF);
+}
+
+/* end of Link */
+
+/* slow path */
+
+/*
+ * General service functions
+ */
+
+/* the slow path queue is odd since completions arrive on the fastpath ring */
+static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
+ u32 data_hi, u32 data_lo, int common)
+{
+ int func = BP_FUNC(bp);
+
+ DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
+ "SPQE (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n",
+ (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
+ (void *)bp->spq_prod_bd - (void *)bp->spq), command,
+ HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);
+
+#ifdef BNX2X_STOP_ON_ERROR
+ if (unlikely(bp->panic))
+ return -EIO;
+#endif
+
+ spin_lock_bh(&bp->spq_lock);
+
+ if (!bp->spq_left) {
+ BNX2X_ERR("BUG! SPQ ring full!\n");
+ spin_unlock_bh(&bp->spq_lock);
+ bnx2x_panic();
+ return -EBUSY;
+ }
+
+ /* CID needs port number to be encoded int it */
+ bp->spq_prod_bd->hdr.conn_and_cmd_data =
+ cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
+ HW_CID(bp, cid)));
+ bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
+ if (common)
+ bp->spq_prod_bd->hdr.type |=
+ cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
+
+ bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
+ bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);
+
+ bp->spq_left--;
+
+ if (bp->spq_prod_bd == bp->spq_last_bd) {
+ bp->spq_prod_bd = bp->spq;
+ bp->spq_prod_idx = 0;
+ DP(NETIF_MSG_TIMER, "end of spq\n");
+
+ } else {
+ bp->spq_prod_bd++;
+ bp->spq_prod_idx++;
+ }
+
+ REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
+ bp->spq_prod_idx);
+
+ spin_unlock_bh(&bp->spq_lock);
+ return 0;
+}
+
+/* acquire split MCP access lock register */
+static int bnx2x_lock_alr(struct bnx2x *bp)
+{
+ u32 i, j, val;
+ int rc = 0;
+
+ might_sleep();
+ i = 100;
+ for (j = 0; j < i*10; j++) {
+ val = (1UL << 31);
+ REG_WR(bp, GRCBASE_MCP + 0x9c, val);
+ val = REG_RD(bp, GRCBASE_MCP + 0x9c);
+ if (val & (1L << 31))
+ break;
+
+ msleep(5);
+ }
+ if (!(val & (1L << 31))) {
+ BNX2X_ERR("Cannot acquire nvram interface\n");
+ rc = -EBUSY;
+ }
+
+ return rc;
+}
+
+/* Release split MCP access lock register */
+static void bnx2x_unlock_alr(struct bnx2x *bp)
+{
+ u32 val = 0;
+
+ REG_WR(bp, GRCBASE_MCP + 0x9c, val);
+}
+
+static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
+{
+ struct host_def_status_block *def_sb = bp->def_status_blk;
+ u16 rc = 0;
+
+ barrier(); /* status block is written to by the chip */
+
+ if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
+ bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
+ rc |= 1;
+ }
+ if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
+ bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
+ rc |= 2;
+ }
+ if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
+ bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
+ rc |= 4;
+ }
+ if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
+ bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
+ rc |= 8;
+ }
+ if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
+ bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
+ rc |= 16;
+ }
+ return rc;
+}
+
+/*
+ * slow path service functions
+ */
+
+static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
+{
+ int port = BP_PORT(bp);
+ int func = BP_FUNC(bp);
+ u32 igu_addr = (IGU_ADDR_ATTN_BITS_SET + IGU_FUNC_BASE * func) * 8;
+ u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
+ MISC_REG_AEU_MASK_ATTN_FUNC_0;
+ u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
+ NIG_REG_MASK_INTERRUPT_PORT0;
+
+ if (~bp->aeu_mask & (asserted & 0xff))
+ BNX2X_ERR("IGU ERROR\n");
+ if (bp->attn_state & asserted)
+ BNX2X_ERR("IGU ERROR\n");
+
+ DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
+ bp->aeu_mask, asserted);
+ bp->aeu_mask &= ~(asserted & 0xff);
+ DP(NETIF_MSG_HW, "after masking: aeu_mask %x\n", bp->aeu_mask);
+
+ REG_WR(bp, aeu_addr, bp->aeu_mask);
+
+ bp->attn_state |= asserted;
+
+ if (asserted & ATTN_HARD_WIRED_MASK) {
+ if (asserted & ATTN_NIG_FOR_FUNC) {
+
+ /* save nig interrupt mask */
+ bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
+ REG_WR(bp, nig_int_mask_addr, 0);
+
+ bnx2x_link_attn(bp);
+
+ /* handle unicore attn? */
+ }
+ if (asserted & ATTN_SW_TIMER_4_FUNC)
+ DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
+
+ if (asserted & GPIO_2_FUNC)
+ DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
+
+ if (asserted & GPIO_3_FUNC)
+ DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
+
+ if (asserted & GPIO_4_FUNC)
+ DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
+
+ if (port == 0) {
+ if (asserted & ATTN_GENERAL_ATTN_1) {
+ DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
+ REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
+ }
+ if (asserted & ATTN_GENERAL_ATTN_2) {
+ DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
+ REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
+ }
+ if (asserted & ATTN_GENERAL_ATTN_3) {
+ DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
+ REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
+ }
+ } else {
+ if (asserted & ATTN_GENERAL_ATTN_4) {
+ DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
+ REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
+ }
+ if (asserted & ATTN_GENERAL_ATTN_5) {
+ DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
+ REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
+ }
+ if (asserted & ATTN_GENERAL_ATTN_6) {
+ DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
+ REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
+ }
+ }
+
+ } /* if hardwired */
+
+ DP(NETIF_MSG_HW, "about to mask 0x%08x at IGU addr 0x%x\n",
+ asserted, BAR_IGU_INTMEM + igu_addr);
+ REG_WR(bp, BAR_IGU_INTMEM + igu_addr, asserted);
+
+ /* now set back the mask */
+ if (asserted & ATTN_NIG_FOR_FUNC)
+ REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
+}
+
+static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
+{
+ int port = BP_PORT(bp);
+ int reg_offset;
+ u32 val;
+
+ reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
+ MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
+
+ if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
+
+ val = REG_RD(bp, reg_offset);
+ val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
+ REG_WR(bp, reg_offset, val);
+
+ BNX2X_ERR("SPIO5 hw attention\n");
+
+ switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
+ case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
+ /* Fan failure attention */
+
+ /* The PHY reset is controled by GPIO 1 */
+ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
+ MISC_REGISTERS_GPIO_OUTPUT_LOW);
+ /* Low power mode is controled by GPIO 2 */
+ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
+ MISC_REGISTERS_GPIO_OUTPUT_LOW);
+ /* mark the failure */
+ bp->link_params.ext_phy_config &=
+ ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
+ bp->link_params.ext_phy_config |=
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
+ SHMEM_WR(bp,
+ dev_info.port_hw_config[port].
+ external_phy_config,
+ bp->link_params.ext_phy_config);
+ /* log the failure */
+ printk(KERN_ERR PFX "Fan Failure on Network"
+ " Controller %s has caused the driver to"
+ " shutdown the card to prevent permanent"
+ " damage. Please contact Dell Support for"
+ " assistance\n", bp->dev->name);
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ if (attn & HW_INTERRUT_ASSERT_SET_0) {
+
+ val = REG_RD(bp, reg_offset);
+ val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
+ REG_WR(bp, reg_offset, val);
+
+ BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
+ (attn & HW_INTERRUT_ASSERT_SET_0));
+ bnx2x_panic();
+ }
+}
+
+static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
+{
+ u32 val;
+
+ if (attn & BNX2X_DOORQ_ASSERT) {
+
+ val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
+ BNX2X_ERR("DB hw attention 0x%x\n", val);
+ /* DORQ discard attention */
+ if (val & 0x2)
+ BNX2X_ERR("FATAL error from DORQ\n");
+ }
+
+ if (attn & HW_INTERRUT_ASSERT_SET_1) {
+
+ int port = BP_PORT(bp);
+ int reg_offset;
+
+ reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
+ MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
+
+ val = REG_RD(bp, reg_offset);
+ val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
+ REG_WR(bp, reg_offset, val);
+
+ BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
+ (attn & HW_INTERRUT_ASSERT_SET_1));
+ bnx2x_panic();
+ }
+}
+
+static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
+{
+ u32 val;
+
+ if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
+
+ val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
+ BNX2X_ERR("CFC hw attention 0x%x\n", val);
+ /* CFC error attention */
+ if (val & 0x2)
+ BNX2X_ERR("FATAL error from CFC\n");
+ }
+
+ if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
+
+ val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
+ BNX2X_ERR("PXP hw attention 0x%x\n", val);
+ /* RQ_USDMDP_FIFO_OVERFLOW */
+ if (val & 0x18000)
+ BNX2X_ERR("FATAL error from PXP\n");
+ }
+
+ if (attn & HW_INTERRUT_ASSERT_SET_2) {
+
+ int port = BP_PORT(bp);
+ int reg_offset;
+
+ reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
+ MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
+
+ val = REG_RD(bp, reg_offset);
+ val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
+ REG_WR(bp, reg_offset, val);
+
+ BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
+ (attn & HW_INTERRUT_ASSERT_SET_2));
+ bnx2x_panic();
+ }
+}
+
+static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
+{
+ u32 val;
+
+ if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
+
+ if (attn & BNX2X_PMF_LINK_ASSERT) {
+ int func = BP_FUNC(bp);
+
+ REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
+ bnx2x__link_status_update(bp);
+ if (SHMEM_RD(bp, func_mb[func].drv_status) &
+ DRV_STATUS_PMF)
+ bnx2x_pmf_update(bp);
+
+ } else if (attn & BNX2X_MC_ASSERT_BITS) {
+
+ BNX2X_ERR("MC assert!\n");
+ REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
+ REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
+ REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
+ REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
+ bnx2x_panic();
+
+ } else if (attn & BNX2X_MCP_ASSERT) {
+
+ BNX2X_ERR("MCP assert!\n");
+ REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
+ bnx2x_fw_dump(bp);
+
+ } else
+ BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
+ }
+
+ if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
+ BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
+ if (attn & BNX2X_GRC_TIMEOUT) {
+ val = CHIP_IS_E1H(bp) ?
+ REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0;
+ BNX2X_ERR("GRC time-out 0x%08x\n", val);
+ }
+ if (attn & BNX2X_GRC_RSV) {
+ val = CHIP_IS_E1H(bp) ?
+ REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0;
+ BNX2X_ERR("GRC reserved 0x%08x\n", val);
+ }
+ REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
+ }
+}
+
+static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
+{
+ struct attn_route attn;
+ struct attn_route group_mask;
+ int port = BP_PORT(bp);
+ int index;
+ u32 reg_addr;
+ u32 val;
+
+ /* need to take HW lock because MCP or other port might also
+ try to handle this event */
+ bnx2x_lock_alr(bp);
+
+ attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
+ attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
+ attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
+ attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
+ DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
+ attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
+
+ for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
+ if (deasserted & (1 << index)) {
+ group_mask = bp->attn_group[index];
+
+ DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
+ index, group_mask.sig[0], group_mask.sig[1],
+ group_mask.sig[2], group_mask.sig[3]);
+
+ bnx2x_attn_int_deasserted3(bp,
+ attn.sig[3] & group_mask.sig[3]);
+ bnx2x_attn_int_deasserted1(bp,
+ attn.sig[1] & group_mask.sig[1]);
+ bnx2x_attn_int_deasserted2(bp,
+ attn.sig[2] & group_mask.sig[2]);
+ bnx2x_attn_int_deasserted0(bp,
+ attn.sig[0] & group_mask.sig[0]);
+
+ if ((attn.sig[0] & group_mask.sig[0] &
+ HW_PRTY_ASSERT_SET_0) ||
+ (attn.sig[1] & group_mask.sig[1] &
+ HW_PRTY_ASSERT_SET_1) ||
+ (attn.sig[2] & group_mask.sig[2] &
+ HW_PRTY_ASSERT_SET_2))
+ BNX2X_ERR("FATAL HW block parity attention\n");
+ }
+ }
+
+ bnx2x_unlock_alr(bp);
+
+ reg_addr = (IGU_ADDR_ATTN_BITS_CLR + IGU_FUNC_BASE * BP_FUNC(bp)) * 8;
+
+ val = ~deasserted;
+/* DP(NETIF_MSG_INTR, "write 0x%08x to IGU addr 0x%x\n",
+ val, BAR_IGU_INTMEM + reg_addr); */
+ REG_WR(bp, BAR_IGU_INTMEM + reg_addr, val);
+
+ if (bp->aeu_mask & (deasserted & 0xff))
+ BNX2X_ERR("IGU BUG!\n");
+ if (~bp->attn_state & deasserted)
+ BNX2X_ERR("IGU BUG!\n");
+
+ reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
+ MISC_REG_AEU_MASK_ATTN_FUNC_0;
+
+ DP(NETIF_MSG_HW, "aeu_mask %x\n", bp->aeu_mask);
+ bp->aeu_mask |= (deasserted & 0xff);
+
+ DP(NETIF_MSG_HW, "new mask %x\n", bp->aeu_mask);
+ REG_WR(bp, reg_addr, bp->aeu_mask);
+
+ DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
+ bp->attn_state &= ~deasserted;
+ DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
+}
+
+static void bnx2x_attn_int(struct bnx2x *bp)
+{
+ /* read local copy of bits */
+ u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits;
+ u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack;
+ u32 attn_state = bp->attn_state;
+
+ /* look for changed bits */
+ u32 asserted = attn_bits & ~attn_ack & ~attn_state;
+ u32 deasserted = ~attn_bits & attn_ack & attn_state;
+
+ DP(NETIF_MSG_HW,
+ "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
+ attn_bits, attn_ack, asserted, deasserted);
+
+ if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
+ BNX2X_ERR("BAD attention state\n");
+
+ /* handle bits that were raised */
+ if (asserted)
+ bnx2x_attn_int_asserted(bp, asserted);
+
+ if (deasserted)
+ bnx2x_attn_int_deasserted(bp, deasserted);
+}
+
+static void bnx2x_sp_task(struct work_struct *work)
+{
+ struct bnx2x *bp = container_of(work, struct bnx2x, sp_task);
+ u16 status;
+
+
+ /* Return here if interrupt is disabled */
+ if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
+ DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n");
+ return;
+ }
+
+ status = bnx2x_update_dsb_idx(bp);
+/* if (status == 0) */
+/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
+
+ DP(BNX2X_MSG_SP, "got a slowpath interrupt (updated %x)\n", status);
+
+ /* HW attentions */
+ if (status & 0x1)
+ bnx2x_attn_int(bp);
+
+ /* CStorm events: query_stats, port delete ramrod */
+ if (status & 0x2)
+ bp->stats_pending = 0;
+
+ bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx,
+ IGU_INT_NOP, 1);
+ bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx),
+ IGU_INT_NOP, 1);
+ bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx),
+ IGU_INT_NOP, 1);
+ bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx),
+ IGU_INT_NOP, 1);
+ bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
+ IGU_INT_ENABLE, 1);
+
+}
+
+static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
+{
+ struct net_device *dev = dev_instance;
+ struct bnx2x *bp = netdev_priv(dev);
+
+ /* Return here if interrupt is disabled */
+ if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
+ DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n");
+ return IRQ_HANDLED;
+ }
+
+ bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
+
+#ifdef BNX2X_STOP_ON_ERROR
+ if (unlikely(bp->panic))
+ return IRQ_HANDLED;
+#endif
+
+ schedule_work(&bp->sp_task);
+
+ return IRQ_HANDLED;
+}
+
+/* end of slow path */
+
+/* Statistics */
+
+/****************************************************************************
+* Macros
+****************************************************************************/
+
+/* sum[hi:lo] += add[hi:lo] */
+#define ADD_64(s_hi, a_hi, s_lo, a_lo) \
+ do { \
+ s_lo += a_lo; \
+ s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \
+ } while (0)
+
+/* difference = minuend - subtrahend */
+#define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
+ do { \
+ if (m_lo < s_lo) { \
+ /* underflow */ \
+ d_hi = m_hi - s_hi; \
+ if (d_hi > 0) { \
+ /* we can 'loan' 1 */ \
+ d_hi--; \
+ d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
+ } else { \
+ /* m_hi <= s_hi */ \
+ d_hi = 0; \
+ d_lo = 0; \
+ } \
+ } else { \
+ /* m_lo >= s_lo */ \
+ if (m_hi < s_hi) { \
+ d_hi = 0; \
+ d_lo = 0; \
+ } else { \
+ /* m_hi >= s_hi */ \
+ d_hi = m_hi - s_hi; \
+ d_lo = m_lo - s_lo; \
+ } \
+ } \
+ } while (0)
+
+#define UPDATE_STAT64(s, t) \
+ do { \
+ DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
+ diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
+ pstats->mac_stx[0].t##_hi = new->s##_hi; \
+ pstats->mac_stx[0].t##_lo = new->s##_lo; \
+ ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
+ pstats->mac_stx[1].t##_lo, diff.lo); \
+ } while (0)
+
+#define UPDATE_STAT64_NIG(s, t) \
+ do { \
+ DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
+ diff.lo, new->s##_lo, old->s##_lo); \
+ ADD_64(estats->t##_hi, diff.hi, \
+ estats->t##_lo, diff.lo); \
+ } while (0)
+
+/* sum[hi:lo] += add */
+#define ADD_EXTEND_64(s_hi, s_lo, a) \
+ do { \
+ s_lo += a; \
+ s_hi += (s_lo < a) ? 1 : 0; \
+ } while (0)
+
+#define UPDATE_EXTEND_STAT(s) \
+ do { \
+ ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
+ pstats->mac_stx[1].s##_lo, \
+ new->s); \
+ } while (0)
+
+#define UPDATE_EXTEND_TSTAT(s, t) \
+ do { \
+ diff = le32_to_cpu(tclient->s) - old_tclient->s; \
+ old_tclient->s = le32_to_cpu(tclient->s); \
+ ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
+ } while (0)
+
+#define UPDATE_EXTEND_XSTAT(s, t) \
+ do { \
+ diff = le32_to_cpu(xclient->s) - old_xclient->s; \
+ old_xclient->s = le32_to_cpu(xclient->s); \
+ ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
+ } while (0)
+
+/*
+ * General service functions
+ */
+
+static inline long bnx2x_hilo(u32 *hiref)
+{
+ u32 lo = *(hiref + 1);
+#if (BITS_PER_LONG == 64)
+ u32 hi = *hiref;
+
+ return HILO_U64(hi, lo);
+#else
+ return lo;
+#endif
+}
+
+/*
+ * Init service functions
+ */
+
+static void bnx2x_storm_stats_init(struct bnx2x *bp)
+{
+ int func = BP_FUNC(bp);
+
+ REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func), 1);
+ REG_WR(bp, BAR_XSTRORM_INTMEM +
+ XSTORM_STATS_FLAGS_OFFSET(func) + 4, 0);
+
+ REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func), 1);
+ REG_WR(bp, BAR_TSTRORM_INTMEM +
+ TSTORM_STATS_FLAGS_OFFSET(func) + 4, 0);
+
+ REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func), 0);
+ REG_WR(bp, BAR_CSTRORM_INTMEM +
+ CSTORM_STATS_FLAGS_OFFSET(func) + 4, 0);
+
+ REG_WR(bp, BAR_XSTRORM_INTMEM +
+ XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
+ U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
+ REG_WR(bp, BAR_XSTRORM_INTMEM +
+ XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
+ U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
+
+ REG_WR(bp, BAR_TSTRORM_INTMEM +
+ TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
+ U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
+ REG_WR(bp, BAR_TSTRORM_INTMEM +
+ TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
+ U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
+}
+
+static void bnx2x_storm_stats_post(struct bnx2x *bp)
+{
+ if (!bp->stats_pending) {
+ struct eth_query_ramrod_data ramrod_data = {0};
+ int rc;
+
+ ramrod_data.drv_counter = bp->stats_counter++;
+ ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0;
+ ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp));
+
+ rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0,
+ ((u32 *)&ramrod_data)[1],
+ ((u32 *)&ramrod_data)[0], 0);
+ if (rc == 0) {
+ /* stats ramrod has it's own slot on the spq */
+ bp->spq_left++;
+ bp->stats_pending = 1;
+ }
+ }
+}
+
+static void bnx2x_stats_init(struct bnx2x *bp)
+{
+ int port = BP_PORT(bp);
+
+ bp->executer_idx = 0;
+ bp->stats_counter = 0;
+
+ /* port stats */
+ if (!BP_NOMCP(bp))
+ bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
+ else
+ bp->port.port_stx = 0;
+ DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx);
+
+ memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
+ bp->port.old_nig_stats.brb_discard =
+ REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
+ REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
+ &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
+ REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
+ &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
+
+ /* function stats */
+ memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
+ memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
+ memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats));
+ memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));
+
+ bp->stats_state = STATS_STATE_DISABLED;
+ if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx)
+ bnx2x_stats_handle(bp, STATS_EVENT_PMF);
+}
+
+static void bnx2x_hw_stats_post(struct bnx2x *bp)
+{
+ struct dmae_command *dmae = &bp->stats_dmae;
+ u32 *stats_comp = bnx2x_sp(bp, stats_comp);
+
+ *stats_comp = DMAE_COMP_VAL;
+
+ /* loader */
+ if (bp->executer_idx) {
+ int loader_idx = PMF_DMAE_C(bp);
+
+ memset(dmae, 0, sizeof(struct dmae_command));
+
+ dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
+ DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
+ DMAE_CMD_DST_RESET |
+#ifdef __BIG_ENDIAN
+ DMAE_CMD_ENDIANITY_B_DW_SWAP |
+#else
+ DMAE_CMD_ENDIANITY_DW_SWAP |
+#endif
+ (BP_PORT(bp) ? DMAE_CMD_PORT_1 :
+ DMAE_CMD_PORT_0) |
+ (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
+ dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
+ dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
+ dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
+ sizeof(struct dmae_command) *
+ (loader_idx + 1)) >> 2;
+ dmae->dst_addr_hi = 0;
+ dmae->len = sizeof(struct dmae_command) >> 2;
+ if (CHIP_IS_E1(bp))
+ dmae->len--;
+ dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
+ dmae->comp_addr_hi = 0;
+ dmae->comp_val = 1;
+
+ *stats_comp = 0;
+ bnx2x_post_dmae(bp, dmae, loader_idx);
+
+ } else if (bp->func_stx) {
+ *stats_comp = 0;
+ bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
+ }
+}
+
+static int bnx2x_stats_comp(struct bnx2x *bp)
+{
+ u32 *stats_comp = bnx2x_sp(bp, stats_comp);
+ int cnt = 10;
+
+ might_sleep();
+ while (*stats_comp != DMAE_COMP_VAL) {
+ msleep(1);
+ if (!cnt) {
+ BNX2X_ERR("timeout waiting for stats finished\n");
+ break;
+ }
+ cnt--;
+ }
+ return 1;
+}
+
+/*
+ * Statistics service functions
+ */
+
+static void bnx2x_stats_pmf_update(struct bnx2x *bp)
+{
+ struct dmae_command *dmae;
+ u32 opcode;
+ int loader_idx = PMF_DMAE_C(bp);
+ u32 *stats_comp = bnx2x_sp(bp, stats_comp);
+
+ /* sanity */
+ if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) {
+ BNX2X_ERR("BUG!\n");
+ return;
+ }
+
+ bp->executer_idx = 0;
+
+ opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
+ DMAE_CMD_C_ENABLE |
+ DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
+#ifdef __BIG_ENDIAN
+ DMAE_CMD_ENDIANITY_B_DW_SWAP |
+#else
+ DMAE_CMD_ENDIANITY_DW_SWAP |
+#endif
+ (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
+ (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
+
+ dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
+ dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
+ dmae->src_addr_lo = bp->port.port_stx >> 2;
+ dmae->src_addr_hi = 0;
+ dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
+ dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
+ dmae->len = DMAE_LEN32_RD_MAX;
+ dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
+ dmae->comp_addr_hi = 0;
+ dmae->comp_val = 1;
+
+ dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
+ dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
+ dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
+ dmae->src_addr_hi = 0;
+ dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
+ DMAE_LEN32_RD_MAX * 4);
+ dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
+ DMAE_LEN32_RD_MAX * 4);
+ dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
+ dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
+ dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
+ dmae->comp_val = DMAE_COMP_VAL;
+
+ *stats_comp = 0;
+ bnx2x_hw_stats_post(bp);
+ bnx2x_stats_comp(bp);
+}
+
+static void bnx2x_port_stats_init(struct bnx2x *bp)
+{
+ struct dmae_command *dmae;
+ int port = BP_PORT(bp);
+ int vn = BP_E1HVN(bp);
+ u32 opcode;
+ int loader_idx = PMF_DMAE_C(bp);
+ u32 mac_addr;
+ u32 *stats_comp = bnx2x_sp(bp, stats_comp);
+
+ /* sanity */
+ if (!bp->link_vars.link_up || !bp->port.pmf) {
+ BNX2X_ERR("BUG!\n");
+ return;
+ }
+
+ bp->executer_idx = 0;
+
+ /* MCP */
+ opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
+ DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
+ DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
+#ifdef __BIG_ENDIAN
+ DMAE_CMD_ENDIANITY_B_DW_SWAP |
+#else
+ DMAE_CMD_ENDIANITY_DW_SWAP |
+#endif
+ (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
+ (vn << DMAE_CMD_E1HVN_SHIFT));
+
+ if (bp->port.port_stx) {
+
+ dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
+ dmae->opcode = opcode;
+ dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
+ dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
+ dmae->dst_addr_lo = bp->port.port_stx >> 2;
+ dmae->dst_addr_hi = 0;
+ dmae->len = sizeof(struct host_port_stats) >> 2;
+ dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
+ dmae->comp_addr_hi = 0;
+ dmae->comp_val = 1;
+ }
+
+ if (bp->func_stx) {
+
+ dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
+ dmae->opcode = opcode;
+ dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
+ dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
+ dmae->dst_addr_lo = bp->func_stx >> 2;
+ dmae->dst_addr_hi = 0;
+ dmae->len = sizeof(struct host_func_stats) >> 2;
+ dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
+ dmae->comp_addr_hi = 0;
+ dmae->comp_val = 1;
+ }
+
+ /* MAC */
+ opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
+ DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
+ DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
+#ifdef __BIG_ENDIAN
+ DMAE_CMD_ENDIANITY_B_DW_SWAP |
+#else
+ DMAE_CMD_ENDIANITY_DW_SWAP |
+#endif
+ (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
+ (vn << DMAE_CMD_E1HVN_SHIFT));
+
+ if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
+
+ mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
+ NIG_REG_INGRESS_BMAC0_MEM);
+
+ /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
+ BIGMAC_REGISTER_TX_STAT_GTBYT */
+ dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
+ dmae->opcode = opcode;
+ dmae->src_addr_lo = (mac_addr +
+ BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
+ dmae->src_addr_hi = 0;
+ dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
+ dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
+ dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
+ BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
+ dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
+ dmae->comp_addr_hi = 0;
+ dmae->comp_val = 1;
+
+ /* BIGMAC_REGISTER_RX_STAT_GR64 ..
+ BIGMAC_REGISTER_RX_STAT_GRIPJ */
+ dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
+ dmae->opcode = opcode;
+ dmae->src_addr_lo = (mac_addr +
+ BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
+ dmae->src_addr_hi = 0;
+ dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
+ offsetof(struct bmac_stats, rx_stat_gr64_lo));
+ dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
+ offsetof(struct bmac_stats, rx_stat_gr64_lo));
+ dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
+ BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
+ dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
+ dmae->comp_addr_hi = 0;
+ dmae->comp_val = 1;
+
+ } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
+
+ mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
+
+ /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
+ dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
+ dmae->opcode = opcode;
+ dmae->src_addr_lo = (mac_addr +
+ EMAC_REG_EMAC_RX_STAT_AC) >> 2;
+ dmae->src_addr_hi = 0;
+ dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
+ dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
+ dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
+ dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
+ dmae->comp_addr_hi = 0;
+ dmae->comp_val = 1;
+
+ /* EMAC_REG_EMAC_RX_STAT_AC_28 */
+ dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
+ dmae->opcode = opcode;
+ dmae->src_addr_lo = (mac_addr +
+ EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
+ dmae->src_addr_hi = 0;
+ dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
+ offsetof(struct emac_stats, rx_stat_falsecarriererrors));
+ dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
+ offsetof(struct emac_stats, rx_stat_falsecarriererrors));
+ dmae->len = 1;
+ dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
+ dmae->comp_addr_hi = 0;
+ dmae->comp_val = 1;
+
+ /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
+ dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
+ dmae->opcode = opcode;
+ dmae->src_addr_lo = (mac_addr +
+ EMAC_REG_EMAC_TX_STAT_AC) >> 2;
+ dmae->src_addr_hi = 0;
+ dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
+ offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
+ dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
+ offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
+ dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
+ dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
+ dmae->comp_addr_hi = 0;
+ dmae->comp_val = 1;
+ }
+
+ /* NIG */
+ dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
+ dmae->opcode = opcode;
+ dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
+ NIG_REG_STAT0_BRB_DISCARD) >> 2;
+ dmae->src_addr_hi = 0;
+ dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
+ dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
+ dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
+ dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
+ dmae->comp_addr_hi = 0;
+ dmae->comp_val = 1;
+
+ dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
+ dmae->opcode = opcode;
+ dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
+ NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
+ dmae->src_addr_hi = 0;
+ dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
+ offsetof(struct nig_stats, egress_mac_pkt0_lo));
+ dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
+ offsetof(struct nig_stats, egress_mac_pkt0_lo));
+ dmae->len = (2*sizeof(u32)) >> 2;
+ dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
+ dmae->comp_addr_hi = 0;
+ dmae->comp_val = 1;
+
+ dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
+ dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
+ DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
+ DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
+#ifdef __BIG_ENDIAN
+ DMAE_CMD_ENDIANITY_B_DW_SWAP |
+#else
+ DMAE_CMD_ENDIANITY_DW_SWAP |
+#endif
+ (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
+ (vn << DMAE_CMD_E1HVN_SHIFT));
+ dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
+ NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
+ dmae->src_addr_hi = 0;
+ dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
+ offsetof(struct nig_stats, egress_mac_pkt1_lo));
+ dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
+ offsetof(struct nig_stats, egress_mac_pkt1_lo));
+ dmae->len = (2*sizeof(u32)) >> 2;
+ dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
+ dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
+ dmae->comp_val = DMAE_COMP_VAL;
+
+ *stats_comp = 0;
+}
+
+static void bnx2x_func_stats_init(struct bnx2x *bp)
+{
+ struct dmae_command *dmae = &bp->stats_dmae;
+ u32 *stats_comp = bnx2x_sp(bp, stats_comp);
+
+ /* sanity */
+ if (!bp->func_stx) {
+ BNX2X_ERR("BUG!\n");
+ return;
+ }
+
+ bp->executer_idx = 0;
+ memset(dmae, 0, sizeof(struct dmae_command));
+
+ dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
+ DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
+ DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
+#ifdef __BIG_ENDIAN
+ DMAE_CMD_ENDIANITY_B_DW_SWAP |
+#else
+ DMAE_CMD_ENDIANITY_DW_SWAP |
+#endif
+ (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
+ (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
+ dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
+ dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
+ dmae->dst_addr_lo = bp->func_stx >> 2;
+ dmae->dst_addr_hi = 0;
+ dmae->len = sizeof(struct host_func_stats) >> 2;
+ dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
+ dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
+ dmae->comp_val = DMAE_COMP_VAL;
+
+ *stats_comp = 0;
+}
+
+static void bnx2x_stats_start(struct bnx2x *bp)
+{
+ if (bp->port.pmf)
+ bnx2x_port_stats_init(bp);
+
+ else if (bp->func_stx)
+ bnx2x_func_stats_init(bp);
+
+ bnx2x_hw_stats_post(bp);
+ bnx2x_storm_stats_post(bp);
+}
+
+static void bnx2x_stats_pmf_start(struct bnx2x *bp)
+{
+ bnx2x_stats_comp(bp);
+ bnx2x_stats_pmf_update(bp);
+ bnx2x_stats_start(bp);
+}
+
+static void bnx2x_stats_restart(struct bnx2x *bp)
+{
+ bnx2x_stats_comp(bp);
+ bnx2x_stats_start(bp);
+}
+
+static void bnx2x_bmac_stats_update(struct bnx2x *bp)
+{
+ struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats);
+ struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
+ struct regpair diff;
+
+ UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
+ UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
+ UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
+ UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
+ UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
+ UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
+ UPDATE_STAT64(rx_stat_grxpf, rx_stat_bmac_xpf);
+ UPDATE_STAT64(rx_stat_grxcf, rx_stat_bmac_xcf);
+ UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
+ UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived);
+ UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
+ UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
+ UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
+ UPDATE_STAT64(tx_stat_gt127,
+ tx_stat_etherstatspkts65octetsto127octets);
+ UPDATE_STAT64(tx_stat_gt255,
+ tx_stat_etherstatspkts128octetsto255octets);
+ UPDATE_STAT64(tx_stat_gt511,
+ tx_stat_etherstatspkts256octetsto511octets);
+ UPDATE_STAT64(tx_stat_gt1023,
+ tx_stat_etherstatspkts512octetsto1023octets);
+ UPDATE_STAT64(tx_stat_gt1518,
+ tx_stat_etherstatspkts1024octetsto1522octets);
+ UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
+ UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
+ UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
+ UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
+ UPDATE_STAT64(tx_stat_gterr,
+ tx_stat_dot3statsinternalmactransmiterrors);
+ UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
+}
+
+static void bnx2x_emac_stats_update(struct bnx2x *bp)
+{
+ struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
+ struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
+
+ UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
+ UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
+ UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
+ UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
+ UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
+ UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
+ UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
+ UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
+ UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
+ UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
+ UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
+ UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
+ UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
+ UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
+ UPDATE_EXTEND_STAT(tx_stat_outxonsent);
+ UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
+ UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
+ UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
+ UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
+ UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
+ UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
+ UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
+ UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
+ UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
+ UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
+ UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
+ UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
+ UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
+ UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
+ UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
+ UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
+}
+
+static int bnx2x_hw_stats_update(struct bnx2x *bp)
+{
+ struct nig_stats *new = bnx2x_sp(bp, nig_stats);
+ struct nig_stats *old = &(bp->port.old_nig_stats);
+ struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
+ struct bnx2x_eth_stats *estats = &bp->eth_stats;
+ struct regpair diff;
+
+ if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
+ bnx2x_bmac_stats_update(bp);
+
+ else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
+ bnx2x_emac_stats_update(bp);
+
+ else { /* unreached */
+ BNX2X_ERR("stats updated by dmae but no MAC active\n");
+ return -1;
+ }
+
+ ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
+ new->brb_discard - old->brb_discard);
+
+ UPDATE_STAT64_NIG(egress_mac_pkt0,
+ etherstatspkts1024octetsto1522octets);
+ UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
+
+ memcpy(old, new, sizeof(struct nig_stats));
+
+ memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
+ sizeof(struct mac_stx));
+ estats->brb_drop_hi = pstats->brb_drop_hi;
+ estats->brb_drop_lo = pstats->brb_drop_lo;
+
+ pstats->host_port_stats_start = ++pstats->host_port_stats_end;
+
+ return 0;
+}
+
+static int bnx2x_storm_stats_update(struct bnx2x *bp)
+{
+ struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
+ int cl_id = BP_CL_ID(bp);
+ struct tstorm_per_port_stats *tport =
+ &stats->tstorm_common.port_statistics;
+ struct tstorm_per_client_stats *tclient =
+ &stats->tstorm_common.client_statistics[cl_id];
+ struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
+ struct xstorm_per_client_stats *xclient =
+ &stats->xstorm_common.client_statistics[cl_id];
+ struct xstorm_per_client_stats *old_xclient = &bp->old_xclient;
+ struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
+ struct bnx2x_eth_stats *estats = &bp->eth_stats;
+ u32 diff;
+
+ /* are storm stats valid? */
+ if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
+ bp->stats_counter) {
+ DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
+ " tstorm counter (%d) != stats_counter (%d)\n",
+ tclient->stats_counter, bp->stats_counter);
+ return -1;
+ }
+ if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
+ bp->stats_counter) {
+ DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
+ " xstorm counter (%d) != stats_counter (%d)\n",
+ xclient->stats_counter, bp->stats_counter);
+ return -2;
+ }
+
+ fstats->total_bytes_received_hi =
+ fstats->valid_bytes_received_hi =
+ le32_to_cpu(tclient->total_rcv_bytes.hi);
+ fstats->total_bytes_received_lo =
+ fstats->valid_bytes_received_lo =
+ le32_to_cpu(tclient->total_rcv_bytes.lo);
+
+ estats->error_bytes_received_hi =
+ le32_to_cpu(tclient->rcv_error_bytes.hi);
+ estats->error_bytes_received_lo =
+ le32_to_cpu(tclient->rcv_error_bytes.lo);
+ ADD_64(estats->error_bytes_received_hi,
+ estats->rx_stat_ifhcinbadoctets_hi,
+ estats->error_bytes_received_lo,
+ estats->rx_stat_ifhcinbadoctets_lo);
+
+ ADD_64(fstats->total_bytes_received_hi,
+ estats->error_bytes_received_hi,
+ fstats->total_bytes_received_lo,
+ estats->error_bytes_received_lo);
+
+ UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received);
+ UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
+ total_multicast_packets_received);
+ UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
+ total_broadcast_packets_received);
+
+ fstats->total_bytes_transmitted_hi =
+ le32_to_cpu(xclient->total_sent_bytes.hi);
+ fstats->total_bytes_transmitted_lo =
+ le32_to_cpu(xclient->total_sent_bytes.lo);
+
+ UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
+ total_unicast_packets_transmitted);
+ UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
+ total_multicast_packets_transmitted);
+ UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
+ total_broadcast_packets_transmitted);
+
+ memcpy(estats, &(fstats->total_bytes_received_hi),
+ sizeof(struct host_func_stats) - 2*sizeof(u32));
+
+ estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard);
+ estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard);
+ estats->brb_truncate_discard =
+ le32_to_cpu(tport->brb_truncate_discard);
+ estats->mac_discard = le32_to_cpu(tport->mac_discard);
+
+ old_tclient->rcv_unicast_bytes.hi =
+ le32_to_cpu(tclient->rcv_unicast_bytes.hi);
+ old_tclient->rcv_unicast_bytes.lo =
+ le32_to_cpu(tclient->rcv_unicast_bytes.lo);
+ old_tclient->rcv_broadcast_bytes.hi =
+ le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
+ old_tclient->rcv_broadcast_bytes.lo =
+ le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
+ old_tclient->rcv_multicast_bytes.hi =
+ le32_to_cpu(tclient->rcv_multicast_bytes.hi);
+ old_tclient->rcv_multicast_bytes.lo =
+ le32_to_cpu(tclient->rcv_multicast_bytes.lo);
+ old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
+
+ old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
+ old_tclient->packets_too_big_discard =
+ le32_to_cpu(tclient->packets_too_big_discard);
+ estats->no_buff_discard =
+ old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard);
+ old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard);
+
+ old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts);
+ old_xclient->unicast_bytes_sent.hi =
+ le32_to_cpu(xclient->unicast_bytes_sent.hi);
+ old_xclient->unicast_bytes_sent.lo =
+ le32_to_cpu(xclient->unicast_bytes_sent.lo);
+ old_xclient->multicast_bytes_sent.hi =
+ le32_to_cpu(xclient->multicast_bytes_sent.hi);
+ old_xclient->multicast_bytes_sent.lo =
+ le32_to_cpu(xclient->multicast_bytes_sent.lo);
+ old_xclient->broadcast_bytes_sent.hi =
+ le32_to_cpu(xclient->broadcast_bytes_sent.hi);
+ old_xclient->broadcast_bytes_sent.lo =
+ le32_to_cpu(xclient->broadcast_bytes_sent.lo);
+
+ fstats->host_func_stats_start = ++fstats->host_func_stats_end;
+
+ return 0;
+}
+
+static void bnx2x_net_stats_update(struct bnx2x *bp)
+{
+ struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
+ struct bnx2x_eth_stats *estats = &bp->eth_stats;
+ struct net_device_stats *nstats = &bp->dev->stats;
+
+ nstats->rx_packets =
+ bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
+ bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
+ bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
+
+ nstats->tx_packets =
+ bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
+ bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
+ bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
+
+ nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
+
+ nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
+
+ nstats->rx_dropped = old_tclient->checksum_discard +
+ estats->mac_discard;
+ nstats->tx_dropped = 0;
+
+ nstats->multicast =
+ bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);
+
+ nstats->collisions =
+ estats->tx_stat_dot3statssinglecollisionframes_lo +
+ estats->tx_stat_dot3statsmultiplecollisionframes_lo +
+ estats->tx_stat_dot3statslatecollisions_lo +
+ estats->tx_stat_dot3statsexcessivecollisions_lo;
+
+ estats->jabber_packets_received =
+ old_tclient->packets_too_big_discard +
+ estats->rx_stat_dot3statsframestoolong_lo;
+
+ nstats->rx_length_errors =
+ estats->rx_stat_etherstatsundersizepkts_lo +
+ estats->jabber_packets_received;
+ nstats->rx_over_errors = estats->brb_drop_lo +
+ estats->brb_truncate_discard;
+ nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo;
+ nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo;
+ nstats->rx_fifo_errors = old_tclient->no_buff_discard;
+ nstats->rx_missed_errors = estats->xxoverflow_discard;
+
+ nstats->rx_errors = nstats->rx_length_errors +
+ nstats->rx_over_errors +
+ nstats->rx_crc_errors +
+ nstats->rx_frame_errors +
+ nstats->rx_fifo_errors +
+ nstats->rx_missed_errors;
+
+ nstats->tx_aborted_errors =
+ estats->tx_stat_dot3statslatecollisions_lo +
+ estats->tx_stat_dot3statsexcessivecollisions_lo;
+ nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo;
+ nstats->tx_fifo_errors = 0;
+ nstats->tx_heartbeat_errors = 0;
+ nstats->tx_window_errors = 0;
+
+ nstats->tx_errors = nstats->tx_aborted_errors +
+ nstats->tx_carrier_errors;
+}
+
+static void bnx2x_stats_update(struct bnx2x *bp)
+{
+ u32 *stats_comp = bnx2x_sp(bp, stats_comp);
+ int update = 0;
+
+ if (*stats_comp != DMAE_COMP_VAL)
+ return;
+
+ if (bp->port.pmf)
+ update = (bnx2x_hw_stats_update(bp) == 0);
+
+ update |= (bnx2x_storm_stats_update(bp) == 0);
+
+ if (update)
+ bnx2x_net_stats_update(bp);
+
+ else {
+ if (bp->stats_pending) {
+ bp->stats_pending++;
+ if (bp->stats_pending == 3) {
+ BNX2X_ERR("stats not updated for 3 times\n");
+ bnx2x_panic();
+ return;
+ }
+ }
+ }
+
+ if (bp->msglevel & NETIF_MSG_TIMER) {
+ struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
+ struct bnx2x_eth_stats *estats = &bp->eth_stats;
+ struct net_device_stats *nstats = &bp->dev->stats;
+ int i;
+
+ printk(KERN_DEBUG "%s:\n", bp->dev->name);
+ printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)"
+ " tx pkt (%lx)\n",
+ bnx2x_tx_avail(bp->fp),
+ le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
+ printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)"
+ " rx pkt (%lx)\n",
+ (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) -
+ bp->fp->rx_comp_cons),
+ le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets);
+ printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u\n",
+ netif_queue_stopped(bp->dev)? "Xoff" : "Xon",
+ estats->driver_xoff, estats->brb_drop_lo);
+ printk(KERN_DEBUG "tstats: checksum_discard %u "
+ "packets_too_big_discard %u no_buff_discard %u "
+ "mac_discard %u mac_filter_discard %u "
+ "xxovrflow_discard %u brb_truncate_discard %u "
+ "ttl0_discard %u\n",
+ old_tclient->checksum_discard,
+ old_tclient->packets_too_big_discard,
+ old_tclient->no_buff_discard, estats->mac_discard,
+ estats->mac_filter_discard, estats->xxoverflow_discard,
+ estats->brb_truncate_discard,
+ old_tclient->ttl0_discard);
+
+ for_each_queue(bp, i) {
+ printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i,
+ bnx2x_fp(bp, i, tx_pkt),
+ bnx2x_fp(bp, i, rx_pkt),
+ bnx2x_fp(bp, i, rx_calls));
+ }
+ }
+
+ bnx2x_hw_stats_post(bp);
+ bnx2x_storm_stats_post(bp);
+}
+
+static void bnx2x_port_stats_stop(struct bnx2x *bp)
+{
+ struct dmae_command *dmae;
+ u32 opcode;
+ int loader_idx = PMF_DMAE_C(bp);
+ u32 *stats_comp = bnx2x_sp(bp, stats_comp);
+
+ bp->executer_idx = 0;
+
+ opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
+ DMAE_CMD_C_ENABLE |
+ DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
+#ifdef __BIG_ENDIAN
+ DMAE_CMD_ENDIANITY_B_DW_SWAP |
+#else
+ DMAE_CMD_ENDIANITY_DW_SWAP |
+#endif
+ (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
+ (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
+
+ if (bp->port.port_stx) {
+
+ dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
+ if (bp->func_stx)
+ dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
+ else
+ dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
+ dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
+ dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
+ dmae->dst_addr_lo = bp->port.port_stx >> 2;
+ dmae->dst_addr_hi = 0;
+ dmae->len = sizeof(struct host_port_stats) >> 2;
+ if (bp->func_stx) {
+ dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
+ dmae->comp_addr_hi = 0;
+ dmae->comp_val = 1;
+ } else {
+ dmae->comp_addr_lo =
+ U64_LO(bnx2x_sp_mapping(bp, stats_comp));
+ dmae->comp_addr_hi =
+ U64_HI(bnx2x_sp_mapping(bp, stats_comp));
+ dmae->comp_val = DMAE_COMP_VAL;
+
+ *stats_comp = 0;
+ }
+ }
+
+ if (bp->func_stx) {
+
+ dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
+ dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
+ dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
+ dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
+ dmae->dst_addr_lo = bp->func_stx >> 2;
+ dmae->dst_addr_hi = 0;
+ dmae->len = sizeof(struct host_func_stats) >> 2;
+ dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
+ dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
+ dmae->comp_val = DMAE_COMP_VAL;
+
+ *stats_comp = 0;
+ }
+}
+
+static void bnx2x_stats_stop(struct bnx2x *bp)
+{
+ int update = 0;
+
+ bnx2x_stats_comp(bp);
+
+ if (bp->port.pmf)
+ update = (bnx2x_hw_stats_update(bp) == 0);
+
+ update |= (bnx2x_storm_stats_update(bp) == 0);
+
+ if (update) {
+ bnx2x_net_stats_update(bp);
+
+ if (bp->port.pmf)
+ bnx2x_port_stats_stop(bp);
+
+ bnx2x_hw_stats_post(bp);
+ bnx2x_stats_comp(bp);
+ }
+}
+
+static void bnx2x_stats_do_nothing(struct bnx2x *bp)
+{
+}
+
+static const struct {
+ void (*action)(struct bnx2x *bp);
+ enum bnx2x_stats_state next_state;
+} bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
+/* state event */
+{
+/* DISABLED PMF */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
+/* LINK_UP */ {bnx2x_stats_start, STATS_STATE_ENABLED},
+/* UPDATE */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
+/* STOP */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
+},
+{
+/* ENABLED PMF */ {bnx2x_stats_pmf_start, STATS_STATE_ENABLED},
+/* LINK_UP */ {bnx2x_stats_restart, STATS_STATE_ENABLED},
+/* UPDATE */ {bnx2x_stats_update, STATS_STATE_ENABLED},
+/* STOP */ {bnx2x_stats_stop, STATS_STATE_DISABLED}
+}
+};
+
+static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
+{
+ enum bnx2x_stats_state state = bp->stats_state;
+
+ bnx2x_stats_stm[state][event].action(bp);
+ bp->stats_state = bnx2x_stats_stm[state][event].next_state;
+
+ if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
+ DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
+ state, event, bp->stats_state);
+}
+
+static void bnx2x_timer(unsigned long data)
+{
+ struct bnx2x *bp = (struct bnx2x *) data;
+
+ if (!netif_running(bp->dev))
+ return;
+
+ if (atomic_read(&bp->intr_sem) != 0)
+ goto timer_restart;
+
+ if (poll) {
+ struct bnx2x_fastpath *fp = &bp->fp[0];
+ int rc;
+
+ bnx2x_tx_int(fp, 1000);
+ rc = bnx2x_rx_int(fp, 1000);
+ }
+
+ if (!BP_NOMCP(bp)) {
+ int func = BP_FUNC(bp);
+ u32 drv_pulse;
+ u32 mcp_pulse;
+
+ ++bp->fw_drv_pulse_wr_seq;
+ bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
+ /* TBD - add SYSTEM_TIME */
+ drv_pulse = bp->fw_drv_pulse_wr_seq;
+ SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
+
+ mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
+ MCP_PULSE_SEQ_MASK);
+ /* The delta between driver pulse and mcp response
+ * should be 1 (before mcp response) or 0 (after mcp response)
+ */
+ if ((drv_pulse != mcp_pulse) &&
+ (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
+ /* someone lost a heartbeat... */
+ BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
+ drv_pulse, mcp_pulse);
+ }
+ }
+
+ if ((bp->state == BNX2X_STATE_OPEN) ||
+ (bp->state == BNX2X_STATE_DISABLED))
+ bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
+
+timer_restart:
+ mod_timer(&bp->timer, jiffies + bp->current_interval);
+}
+
+/* end of Statistics */
+
+/* nic init */
+
+/*
+ * nic init service functions
+ */
+
+static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
+{
+ int port = BP_PORT(bp);
+
+ bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
+ USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
+ sizeof(struct ustorm_def_status_block)/4);
+ bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
+ CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
+ sizeof(struct cstorm_def_status_block)/4);
+}
+
+static void bnx2x_init_sb(struct bnx2x *bp, int sb_id,
+ struct host_status_block *sb, dma_addr_t mapping)
+{
+ int port = BP_PORT(bp);
+ int func = BP_FUNC(bp);
+ int index;
+ u64 section;
+
+ /* USTORM */
+ section = ((u64)mapping) + offsetof(struct host_status_block,
+ u_status_block);
+ sb->u_status_block.status_block_id = sb_id;
+
+ REG_WR(bp, BAR_USTRORM_INTMEM +
+ USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
+ REG_WR(bp, BAR_USTRORM_INTMEM +
+ ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
+ U64_HI(section));
+ REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF +
+ USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
+
+ for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
+ REG_WR16(bp, BAR_USTRORM_INTMEM +
+ USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
+
+ /* CSTORM */
+ section = ((u64)mapping) + offsetof(struct host_status_block,
+ c_status_block);
+ sb->c_status_block.status_block_id = sb_id;
+
+ REG_WR(bp, BAR_CSTRORM_INTMEM +
+ CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
+ REG_WR(bp, BAR_CSTRORM_INTMEM +
+ ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
+ U64_HI(section));
+ REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF +
+ CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
+
+ for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
+ REG_WR16(bp, BAR_CSTRORM_INTMEM +
+ CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
+
+ bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
+}
+
+static void bnx2x_zero_def_sb(struct bnx2x *bp)
+{
+ int func = BP_FUNC(bp);
+
+ bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
+ USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
+ sizeof(struct ustorm_def_status_block)/4);
+ bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
+ CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
+ sizeof(struct cstorm_def_status_block)/4);
+ bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
+ XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
+ sizeof(struct xstorm_def_status_block)/4);
+ bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
+ TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
+ sizeof(struct tstorm_def_status_block)/4);
+}
+
+static void bnx2x_init_def_sb(struct bnx2x *bp,
+ struct host_def_status_block *def_sb,
+ dma_addr_t mapping, int sb_id)
+{
+ int port = BP_PORT(bp);
+ int func = BP_FUNC(bp);
+ int index, val, reg_offset;
+ u64 section;
+
+ /* ATTN */
+ section = ((u64)mapping) + offsetof(struct host_def_status_block,
+ atten_status_block);
+ def_sb->atten_status_block.status_block_id = sb_id;
+
+ bp->def_att_idx = 0;
+ bp->attn_state = 0;
+
+ reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
+ MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
+
+ for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
+ bp->attn_group[index].sig[0] = REG_RD(bp,
+ reg_offset + 0x10*index);
+ bp->attn_group[index].sig[1] = REG_RD(bp,
+ reg_offset + 0x4 + 0x10*index);
+ bp->attn_group[index].sig[2] = REG_RD(bp,
+ reg_offset + 0x8 + 0x10*index);
+ bp->attn_group[index].sig[3] = REG_RD(bp,
+ reg_offset + 0xc + 0x10*index);
+ }
+
+ bp->aeu_mask = REG_RD(bp, (port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
+ MISC_REG_AEU_MASK_ATTN_FUNC_0));
+
+ reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
+ HC_REG_ATTN_MSG0_ADDR_L);
+
+ REG_WR(bp, reg_offset, U64_LO(section));
+ REG_WR(bp, reg_offset + 4, U64_HI(section));
+
+ reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);
+
+ val = REG_RD(bp, reg_offset);
+ val |= sb_id;
+ REG_WR(bp, reg_offset, val);
+
+ /* USTORM */
+ section = ((u64)mapping) + offsetof(struct host_def_status_block,
+ u_def_status_block);
+ def_sb->u_def_status_block.status_block_id = sb_id;
+
+ bp->def_u_idx = 0;
+
+ REG_WR(bp, BAR_USTRORM_INTMEM +
+ USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
+ REG_WR(bp, BAR_USTRORM_INTMEM +
+ ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
+ U64_HI(section));
+ REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
+ USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
+ REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(func),
+ BNX2X_BTR);
+
+ for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
+ REG_WR16(bp, BAR_USTRORM_INTMEM +
+ USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
+
+ /* CSTORM */
+ section = ((u64)mapping) + offsetof(struct host_def_status_block,
+ c_def_status_block);
+ def_sb->c_def_status_block.status_block_id = sb_id;
+
+ bp->def_c_idx = 0;
+
+ REG_WR(bp, BAR_CSTRORM_INTMEM +
+ CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
+ REG_WR(bp, BAR_CSTRORM_INTMEM +
+ ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
+ U64_HI(section));
+ REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
+ CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
+ REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(func),
+ BNX2X_BTR);
+
+ for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
+ REG_WR16(bp, BAR_CSTRORM_INTMEM +
+ CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
+
+ /* TSTORM */
+ section = ((u64)mapping) + offsetof(struct host_def_status_block,
+ t_def_status_block);
+ def_sb->t_def_status_block.status_block_id = sb_id;
+
+ bp->def_t_idx = 0;
+
+ REG_WR(bp, BAR_TSTRORM_INTMEM +
+ TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
+ REG_WR(bp, BAR_TSTRORM_INTMEM +
+ ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
+ U64_HI(section));
+ REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
+ TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
+ REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(func),
+ BNX2X_BTR);
+
+ for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
+ REG_WR16(bp, BAR_TSTRORM_INTMEM +
+ TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
+
+ /* XSTORM */
+ section = ((u64)mapping) + offsetof(struct host_def_status_block,
+ x_def_status_block);
+ def_sb->x_def_status_block.status_block_id = sb_id;
+
+ bp->def_x_idx = 0;
+
+ REG_WR(bp, BAR_XSTRORM_INTMEM +
+ XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
+ REG_WR(bp, BAR_XSTRORM_INTMEM +
+ ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
+ U64_HI(section));
+ REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
+ XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
+ REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(func),
+ BNX2X_BTR);
+
+ for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
+ REG_WR16(bp, BAR_XSTRORM_INTMEM +
+ XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
+
+ bp->stats_pending = 0;
+
+ bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
+}
+
+static void bnx2x_update_coalesce(struct bnx2x *bp)
+{
+ int port = BP_PORT(bp);
+ int i;
+
+ for_each_queue(bp, i) {
+ int sb_id = bp->fp[i].sb_id;
+
+ /* HC_INDEX_U_ETH_RX_CQ_CONS */
+ REG_WR8(bp, BAR_USTRORM_INTMEM +
+ USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
+ HC_INDEX_U_ETH_RX_CQ_CONS),
+ bp->rx_ticks/12);
+ REG_WR16(bp, BAR_USTRORM_INTMEM +
+ USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
+ HC_INDEX_U_ETH_RX_CQ_CONS),
+ bp->rx_ticks ? 0 : 1);
+
+ /* HC_INDEX_C_ETH_TX_CQ_CONS */
+ REG_WR8(bp, BAR_CSTRORM_INTMEM +
+ CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
+ HC_INDEX_C_ETH_TX_CQ_CONS),
+ bp->tx_ticks/12);
+ REG_WR16(bp, BAR_CSTRORM_INTMEM +
+ CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
+ HC_INDEX_C_ETH_TX_CQ_CONS),
+ bp->tx_ticks ? 0 : 1);
+ }
+}
+
+static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
+ struct bnx2x_fastpath *fp, int last)
+{
+ int i;
+
+ for (i = 0; i < last; i++) {
+ struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
+ struct sk_buff *skb = rx_buf->skb;
+
+ if (skb == NULL) {
+ DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
+ continue;
+ }
+
+ if (fp->tpa_state[i] == BNX2X_TPA_START)
+ pci_unmap_single(bp->pdev,
+ pci_unmap_addr(rx_buf, mapping),
+ bp->rx_buf_use_size,
+ PCI_DMA_FROMDEVICE);
+
+ dev_kfree_skb(skb);
+ rx_buf->skb = NULL;
+ }
+}
+
+static void bnx2x_init_rx_rings(struct bnx2x *bp)
+{
+ int func = BP_FUNC(bp);
+ u16 ring_prod, cqe_ring_prod = 0;
+ int i, j;
+
+ bp->rx_buf_use_size = bp->dev->mtu;
+ bp->rx_buf_use_size += bp->rx_offset + ETH_OVREHEAD;
+ bp->rx_buf_size = bp->rx_buf_use_size + 64;
+
+ if (bp->flags & TPA_ENABLE_FLAG) {
+ DP(NETIF_MSG_IFUP,
+ "rx_buf_use_size %d rx_buf_size %d effective_mtu %d\n",
+ bp->rx_buf_use_size, bp->rx_buf_size,
+ bp->dev->mtu + ETH_OVREHEAD);
+
+ for_each_queue(bp, j) {
+ for (i = 0; i < ETH_MAX_AGGREGATION_QUEUES_E1H; i++) {
+ struct bnx2x_fastpath *fp = &bp->fp[j];
+
+ fp->tpa_pool[i].skb =
+ netdev_alloc_skb(bp->dev, bp->rx_buf_size);
+ if (!fp->tpa_pool[i].skb) {
+ BNX2X_ERR("Failed to allocate TPA "
+ "skb pool for queue[%d] - "
+ "disabling TPA on this "
+ "queue!\n", j);
+ bnx2x_free_tpa_pool(bp, fp, i);
+ fp->disable_tpa = 1;
+ break;
+ }
+ pci_unmap_addr_set((struct sw_rx_bd *)
+ &bp->fp->tpa_pool[i],
+ mapping, 0);
+ fp->tpa_state[i] = BNX2X_TPA_STOP;
+ }
+ }
+ }
+
+ for_each_queue(bp, j) {
+ struct bnx2x_fastpath *fp = &bp->fp[j];
+
+ fp->rx_bd_cons = 0;
+ fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
+ fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX;
+
+ /* "next page" elements initialization */
+ /* SGE ring */
+ for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
+ struct eth_rx_sge *sge;
+
+ sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
+ sge->addr_hi =
+ cpu_to_le32(U64_HI(fp->rx_sge_mapping +
+ BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
+ sge->addr_lo =
+ cpu_to_le32(U64_LO(fp->rx_sge_mapping +
+ BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
+ }
+
+ bnx2x_init_sge_ring_bit_mask(fp);
+
+ /* RX BD ring */
+ for (i = 1; i <= NUM_RX_RINGS; i++) {
+ struct eth_rx_bd *rx_bd;
+
+ rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
+ rx_bd->addr_hi =
+ cpu_to_le32(U64_HI(fp->rx_desc_mapping +
+ BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
+ rx_bd->addr_lo =
+ cpu_to_le32(U64_LO(fp->rx_desc_mapping +
+ BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
+ }
+
+ /* CQ ring */
+ for (i = 1; i <= NUM_RCQ_RINGS; i++) {
+ struct eth_rx_cqe_next_page *nextpg;
+
+ nextpg = (struct eth_rx_cqe_next_page *)
+ &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
+ nextpg->addr_hi =
+ cpu_to_le32(U64_HI(fp->rx_comp_mapping +
+ BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
+ nextpg->addr_lo =
+ cpu_to_le32(U64_LO(fp->rx_comp_mapping +
+ BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
+ }
+
+ /* Allocate SGEs and initialize the ring elements */
+ for (i = 0, ring_prod = 0;
+ i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) {
+
+ if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) {
+ BNX2X_ERR("was only able to allocate "
+ "%d rx sges\n", i);
+ BNX2X_ERR("disabling TPA for queue[%d]\n", j);
+ /* Cleanup already allocated elements */
+ bnx2x_free_rx_sge_range(bp, fp, ring_prod);
+ bnx2x_free_tpa_pool(bp, fp,
+ ETH_MAX_AGGREGATION_QUEUES_E1H);
+ fp->disable_tpa = 1;
+ ring_prod = 0;
+ break;
+ }
+ ring_prod = NEXT_SGE_IDX(ring_prod);
+ }
+ fp->rx_sge_prod = ring_prod;
+
+ /* Allocate BDs and initialize BD ring */
+ fp->rx_comp_cons = fp->rx_alloc_failed = 0;
+ cqe_ring_prod = ring_prod = 0;
+ for (i = 0; i < bp->rx_ring_size; i++) {
+ if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
+ BNX2X_ERR("was only able to allocate "
+ "%d rx skbs\n", i);
+ fp->rx_alloc_failed++;
+ break;
+ }
+ ring_prod = NEXT_RX_IDX(ring_prod);
+ cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
+ BUG_TRAP(ring_prod > i);
+ }
+
+ fp->rx_bd_prod = ring_prod;
+ /* must not have more available CQEs than BDs */
+ fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT),
+ cqe_ring_prod);
+ fp->rx_pkt = fp->rx_calls = 0;
+
+ /* Warning!
+ * this will generate an interrupt (to the TSTORM)
+ * must only be done after chip is initialized
+ */
+ bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod,
+ fp->rx_sge_prod);
+ if (j != 0)
+ continue;
+
+ REG_WR(bp, BAR_USTRORM_INTMEM +
+ USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
+ U64_LO(fp->rx_comp_mapping));
+ REG_WR(bp, BAR_USTRORM_INTMEM +
+ USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
+ U64_HI(fp->rx_comp_mapping));
+ }
+}
+
+static void bnx2x_init_tx_ring(struct bnx2x *bp)
+{
+ int i, j;
+
+ for_each_queue(bp, j) {
+ struct bnx2x_fastpath *fp = &bp->fp[j];
+
+ for (i = 1; i <= NUM_TX_RINGS; i++) {
+ struct eth_tx_bd *tx_bd =
+ &fp->tx_desc_ring[TX_DESC_CNT * i - 1];
+
+ tx_bd->addr_hi =
+ cpu_to_le32(U64_HI(fp->tx_desc_mapping +
+ BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
+ tx_bd->addr_lo =
+ cpu_to_le32(U64_LO(fp->tx_desc_mapping +
+ BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
+ }
+
+ fp->tx_pkt_prod = 0;
+ fp->tx_pkt_cons = 0;
+ fp->tx_bd_prod = 0;
+ fp->tx_bd_cons = 0;
+ fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
+ fp->tx_pkt = 0;
+ }
+}
+
+static void bnx2x_init_sp_ring(struct bnx2x *bp)
+{
+ int func = BP_FUNC(bp);
+
+ spin_lock_init(&bp->spq_lock);
+
+ bp->spq_left = MAX_SPQ_PENDING;
+ bp->spq_prod_idx = 0;
+ bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
+ bp->spq_prod_bd = bp->spq;
+ bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
+
+ REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
+ U64_LO(bp->spq_mapping));
+ REG_WR(bp,
+ XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
+ U64_HI(bp->spq_mapping));
+
+ REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
+ bp->spq_prod_idx);
+}
+
+static void bnx2x_init_context(struct bnx2x *bp)
+{
+ int i;
+
+ for_each_queue(bp, i) {
+ struct eth_context *context = bnx2x_sp(bp, context[i].eth);
+ struct bnx2x_fastpath *fp = &bp->fp[i];
+ u8 sb_id = FP_SB_ID(fp);
+
+ context->xstorm_st_context.tx_bd_page_base_hi =
+ U64_HI(fp->tx_desc_mapping);
+ context->xstorm_st_context.tx_bd_page_base_lo =
+ U64_LO(fp->tx_desc_mapping);
+ context->xstorm_st_context.db_data_addr_hi =
+ U64_HI(fp->tx_prods_mapping);
+ context->xstorm_st_context.db_data_addr_lo =
+ U64_LO(fp->tx_prods_mapping);
+ context->xstorm_st_context.statistics_data = (BP_CL_ID(bp) |
+ XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);
+
+ context->ustorm_st_context.common.sb_index_numbers =
+ BNX2X_RX_SB_INDEX_NUM;
+ context->ustorm_st_context.common.clientId = FP_CL_ID(fp);
+ context->ustorm_st_context.common.status_block_id = sb_id;
+ context->ustorm_st_context.common.flags =
+ USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT;
+ context->ustorm_st_context.common.mc_alignment_size = 64;
+ context->ustorm_st_context.common.bd_buff_size =
+ bp->rx_buf_use_size;
+ context->ustorm_st_context.common.bd_page_base_hi =
+ U64_HI(fp->rx_desc_mapping);
+ context->ustorm_st_context.common.bd_page_base_lo =
+ U64_LO(fp->rx_desc_mapping);
+ if (!fp->disable_tpa) {
+ context->ustorm_st_context.common.flags |=
+ (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
+ USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
+ context->ustorm_st_context.common.sge_buff_size =
+ (u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
+ context->ustorm_st_context.common.sge_page_base_hi =
+ U64_HI(fp->rx_sge_mapping);
+ context->ustorm_st_context.common.sge_page_base_lo =
+ U64_LO(fp->rx_sge_mapping);
+ }
+
+ context->cstorm_st_context.sb_index_number =
+ HC_INDEX_C_ETH_TX_CQ_CONS;
+ context->cstorm_st_context.status_block_id = sb_id;
+
+ context->xstorm_ag_context.cdu_reserved =
+ CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
+ CDU_REGION_NUMBER_XCM_AG,
+ ETH_CONNECTION_TYPE);
+ context->ustorm_ag_context.cdu_usage =
+ CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
+ CDU_REGION_NUMBER_UCM_AG,
+ ETH_CONNECTION_TYPE);
+ }
+}
+
+static void bnx2x_init_ind_table(struct bnx2x *bp)
+{
+ int port = BP_PORT(bp);
+ int i;
+
+ if (!is_multi(bp))
+ return;
+
+ DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
+ for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
+ REG_WR8(bp, BAR_TSTRORM_INTMEM +
+ TSTORM_INDIRECTION_TABLE_OFFSET(port) + i,
+ i % bp->num_queues);
+
+ REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
+}
+
+static void bnx2x_set_client_config(struct bnx2x *bp)
+{
+ struct tstorm_eth_client_config tstorm_client = {0};
+ int port = BP_PORT(bp);
+ int i;
+
+ tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD;
+ tstorm_client.statistics_counter_id = 0;
+ tstorm_client.config_flags =
+ TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
+#ifdef BCM_VLAN
+ if (bp->rx_mode && bp->vlgrp) {
+ tstorm_client.config_flags |=
+ TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
+ DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
+ }
+#endif
+
+ if (bp->flags & TPA_ENABLE_FLAG) {
+ tstorm_client.max_sges_for_packet =
+ BCM_PAGE_ALIGN(tstorm_client.mtu) >> BCM_PAGE_SHIFT;
+ tstorm_client.max_sges_for_packet =
+ ((tstorm_client.max_sges_for_packet +
+ PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
+ PAGES_PER_SGE_SHIFT;
+
+ tstorm_client.config_flags |=
+ TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
+ }
+
+ for_each_queue(bp, i) {
+ REG_WR(bp, BAR_TSTRORM_INTMEM +
+ TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
+ ((u32 *)&tstorm_client)[0]);
+ REG_WR(bp, BAR_TSTRORM_INTMEM +
+ TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
+ ((u32 *)&tstorm_client)[1]);
+ }
+
+ DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
+ ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
+}
+
+static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
+{
+ struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
+ int mode = bp->rx_mode;
+ int mask = (1 << BP_L_ID(bp));
+ int func = BP_FUNC(bp);
+ int i;
+
+ DP(NETIF_MSG_RX_STATUS, "rx mode is %d\n", mode);
+
+ switch (mode) {
+ case BNX2X_RX_MODE_NONE: /* no Rx */
+ tstorm_mac_filter.ucast_drop_all = mask;
+ tstorm_mac_filter.mcast_drop_all = mask;
+ tstorm_mac_filter.bcast_drop_all = mask;
+ break;
+ case BNX2X_RX_MODE_NORMAL:
+ tstorm_mac_filter.bcast_accept_all = mask;
+ break;
+ case BNX2X_RX_MODE_ALLMULTI:
+ tstorm_mac_filter.mcast_accept_all = mask;
+ tstorm_mac_filter.bcast_accept_all = mask;
+ break;
+ case BNX2X_RX_MODE_PROMISC:
+ tstorm_mac_filter.ucast_accept_all = mask;
+ tstorm_mac_filter.mcast_accept_all = mask;
+ tstorm_mac_filter.bcast_accept_all = mask;
+ break;
+ default:
+ BNX2X_ERR("BAD rx mode (%d)\n", mode);
+ break;
+ }
+
+ for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
+ REG_WR(bp, BAR_TSTRORM_INTMEM +
+ TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
+ ((u32 *)&tstorm_mac_filter)[i]);
+
+/* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
+ ((u32 *)&tstorm_mac_filter)[i]); */
+ }
+
+ if (mode != BNX2X_RX_MODE_NONE)
+ bnx2x_set_client_config(bp);
+}
+
+static void bnx2x_init_internal(struct bnx2x *bp)
+{
+ struct tstorm_eth_function_common_config tstorm_config = {0};
+ struct stats_indication_flags stats_flags = {0};
+ int port = BP_PORT(bp);
+ int func = BP_FUNC(bp);
+ int i;
+
+ if (is_multi(bp)) {
+ tstorm_config.config_flags = MULTI_FLAGS;
+ tstorm_config.rss_result_mask = MULTI_MASK;
+ }
+
+ tstorm_config.leading_client_id = BP_L_ID(bp);
+
+ REG_WR(bp, BAR_TSTRORM_INTMEM +
+ TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
+ (*(u32 *)&tstorm_config));
+
+/* DP(NETIF_MSG_IFUP, "tstorm_config: 0x%08x\n",
+ (*(u32 *)&tstorm_config)); */
+
+ bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
+ bnx2x_set_storm_rx_mode(bp);
+
+ stats_flags.collect_eth = 1;
+
+ REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(port),
+ ((u32 *)&stats_flags)[0]);
+ REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(port) + 4,
+ ((u32 *)&stats_flags)[1]);
+
+ REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(port),
+ ((u32 *)&stats_flags)[0]);
+ REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(port) + 4,
+ ((u32 *)&stats_flags)[1]);
+
+ REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(port),
+ ((u32 *)&stats_flags)[0]);
+ REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(port) + 4,
+ ((u32 *)&stats_flags)[1]);
+
+/* DP(NETIF_MSG_IFUP, "stats_flags: 0x%08x 0x%08x\n",
+ ((u32 *)&stats_flags)[0], ((u32 *)&stats_flags)[1]); */
+
+ if (CHIP_IS_E1H(bp)) {
+ REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
+ IS_E1HMF(bp));
+ REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
+ IS_E1HMF(bp));
+ REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
+ IS_E1HMF(bp));
+ REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
+ IS_E1HMF(bp));
+
+ REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
+ bp->e1hov);
+ }
+
+ /* Zero this manualy as its initialization is
+ currently missing in the initTool */
+ for (i = 0; i < USTORM_AGG_DATA_SIZE >> 2; i++)
+ REG_WR(bp, BAR_USTRORM_INTMEM +
+ USTORM_AGG_DATA_OFFSET + 4*i, 0);
+
+ for_each_queue(bp, i) {
+ struct bnx2x_fastpath *fp = &bp->fp[i];
+ u16 max_agg_size;
+
+ REG_WR(bp, BAR_USTRORM_INTMEM +
+ USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
+ U64_LO(fp->rx_comp_mapping));
+ REG_WR(bp, BAR_USTRORM_INTMEM +
+ USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
+ U64_HI(fp->rx_comp_mapping));
+
+ max_agg_size = min((u32)(bp->rx_buf_use_size +
+ 8*BCM_PAGE_SIZE*PAGES_PER_SGE),
+ (u32)0xffff);
+ REG_WR16(bp, BAR_USTRORM_INTMEM +
+ USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
+ max_agg_size);
+ }
+}
+
+static void bnx2x_nic_init(struct bnx2x *bp)
+{
+ int i;
+
+ for_each_queue(bp, i) {
+ struct bnx2x_fastpath *fp = &bp->fp[i];
+
+ fp->bp = bp;
+ fp->state = BNX2X_FP_STATE_CLOSED;
+ fp->index = i;
+ fp->cl_id = BP_L_ID(bp) + i;
+ fp->sb_id = fp->cl_id;
+ DP(NETIF_MSG_IFUP,
+ "bnx2x_init_sb(%p,%p) index %d cl_id %d sb %d\n",
+ bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
+ bnx2x_init_sb(bp, FP_SB_ID(fp), fp->status_blk,
+ fp->status_blk_mapping);
+ }
+
+ bnx2x_init_def_sb(bp, bp->def_status_blk,
+ bp->def_status_blk_mapping, DEF_SB_ID);
+ bnx2x_update_coalesce(bp);
+ bnx2x_init_rx_rings(bp);
+ bnx2x_init_tx_ring(bp);
+ bnx2x_init_sp_ring(bp);
+ bnx2x_init_context(bp);
+ bnx2x_init_internal(bp);
+ bnx2x_storm_stats_init(bp);
+ bnx2x_init_ind_table(bp);
+ bnx2x_int_enable(bp);
+}
+
+/* end of nic init */
+
+/*
+ * gzip service functions
+ */
+
+static int bnx2x_gunzip_init(struct bnx2x *bp)
+{
+ bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
+ &bp->gunzip_mapping);
+ if (bp->gunzip_buf == NULL)
+ goto gunzip_nomem1;
+
+ bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
+ if (bp->strm == NULL)
+ goto gunzip_nomem2;
+
+ bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
+ GFP_KERNEL);
+ if (bp->strm->workspace == NULL)
+ goto gunzip_nomem3;
+
+ return 0;
+
+gunzip_nomem3:
+ kfree(bp->strm);
+ bp->strm = NULL;
+
+gunzip_nomem2:
+ pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
+ bp->gunzip_mapping);
+ bp->gunzip_buf = NULL;
+
+gunzip_nomem1:
+ printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
+ " un-compression\n", bp->dev->name);
+ return -ENOMEM;
+}
+
+static void bnx2x_gunzip_end(struct bnx2x *bp)
+{
+ kfree(bp->strm->workspace);
+
+ kfree(bp->strm);
+ bp->strm = NULL;
+
+ if (bp->gunzip_buf) {
+ pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
+ bp->gunzip_mapping);
+ bp->gunzip_buf = NULL;
+ }
+}
+
+static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
+{
+ int n, rc;
+
+ /* check gzip header */
+ if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
+ return -EINVAL;
+
+ n = 10;
+
+#define FNAME 0x8
+
+ if (zbuf[3] & FNAME)
+ while ((zbuf[n++] != 0) && (n < len));
+
+ bp->strm->next_in = zbuf + n;
+ bp->strm->avail_in = len - n;
+ bp->strm->next_out = bp->gunzip_buf;
+ bp->strm->avail_out = FW_BUF_SIZE;
+
+ rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
+ if (rc != Z_OK)
+ return rc;
+
+ rc = zlib_inflate(bp->strm, Z_FINISH);
+ if ((rc != Z_OK) && (rc != Z_STREAM_END))
+ printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
+ bp->dev->name, bp->strm->msg);
+
+ bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
+ if (bp->gunzip_outlen & 0x3)
+ printk(KERN_ERR PFX "%s: Firmware decompression error:"
+ " gunzip_outlen (%d) not aligned\n",
+ bp->dev->name, bp->gunzip_outlen);
+ bp->gunzip_outlen >>= 2;
+
+ zlib_inflateEnd(bp->strm);
+
+ if (rc == Z_STREAM_END)
+ return 0;
+
+ return rc;
+}
+
+/* nic load/unload */
+
+/*
+ * General service functions
+ */
+
+/* send a NIG loopback debug packet */
+static void bnx2x_lb_pckt(struct bnx2x *bp)
+{
+ u32 wb_write[3];
+
+ /* Ethernet source and destination addresses */
+ wb_write[0] = 0x55555555;
+ wb_write[1] = 0x55555555;
+ wb_write[2] = 0x20; /* SOP */
+ REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
+
+ /* NON-IP protocol */
+ wb_write[0] = 0x09000000;
+ wb_write[1] = 0x55555555;
+ wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
+ REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
+}
+
+/* some of the internal memories
+ * are not directly readable from the driver
+ * to test them we send debug packets
+ */
+static int bnx2x_int_mem_test(struct bnx2x *bp)
+{
+ int factor;
+ int count, i;
+ u32 val = 0;
+
+ if (CHIP_REV_IS_FPGA(bp))
+ factor = 120;
+ else if (CHIP_REV_IS_EMUL(bp))
+ factor = 200;
+ else
+ factor = 1;
+
+ DP(NETIF_MSG_HW, "start part1\n");
+
+ /* Disable inputs of parser neighbor blocks */
+ REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
+ REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
+ REG_WR(bp, CFC_REG_DEBUG0, 0x1);
+ NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x0);
+
+ /* Write 0 to parser credits for CFC search request */
+ REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
+
+ /* send Ethernet packet */
+ bnx2x_lb_pckt(bp);
+
+ /* TODO do i reset NIG statistic? */
+ /* Wait until NIG register shows 1 packet of size 0x10 */
+ count = 1000 * factor;
+ while (count) {
+
+ bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
+ val = *bnx2x_sp(bp, wb_data[0]);
+ if (val == 0x10)
+ break;
+
+ msleep(10);
+ count--;
+ }
+ if (val != 0x10) {
+ BNX2X_ERR("NIG timeout val = 0x%x\n", val);
+ return -1;
+ }
+
+ /* Wait until PRS register shows 1 packet */
+ count = 1000 * factor;
+ while (count) {
+ val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
+ if (val == 1)
+ break;
+
+ msleep(10);
+ count--;
+ }
+ if (val != 0x1) {
+ BNX2X_ERR("PRS timeout val = 0x%x\n", val);
+ return -2;
+ }
+
+ /* Reset and init BRB, PRS */
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
+ msleep(50);
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
+ msleep(50);
+ bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
+ bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
+
+ DP(NETIF_MSG_HW, "part2\n");
+
+ /* Disable inputs of parser neighbor blocks */
+ REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
+ REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
+ REG_WR(bp, CFC_REG_DEBUG0, 0x1);
+ NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x0);
+
+ /* Write 0 to parser credits for CFC search request */
+ REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
+
+ /* send 10 Ethernet packets */
+ for (i = 0; i < 10; i++)
+ bnx2x_lb_pckt(bp);
+
+ /* Wait until NIG register shows 10 + 1
+ packets of size 11*0x10 = 0xb0 */
+ count = 1000 * factor;
+ while (count) {
+
+ bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
+ val = *bnx2x_sp(bp, wb_data[0]);
+ if (val == 0xb0)
+ break;
+
+ msleep(10);
+ count--;
+ }
+ if (val != 0xb0) {
+ BNX2X_ERR("NIG timeout val = 0x%x\n", val);
+ return -3;
+ }
+
+ /* Wait until PRS register shows 2 packets */
+ val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
+ if (val != 2)
+ BNX2X_ERR("PRS timeout val = 0x%x\n", val);
+
+ /* Write 1 to parser credits for CFC search request */
+ REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
+
+ /* Wait until PRS register shows 3 packets */
+ msleep(10 * factor);
+ /* Wait until NIG register shows 1 packet of size 0x10 */
+ val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
+ if (val != 3)
+ BNX2X_ERR("PRS timeout val = 0x%x\n", val);
+
+ /* clear NIG EOP FIFO */
+ for (i = 0; i < 11; i++)
+ REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
+ val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
+ if (val != 1) {
+ BNX2X_ERR("clear of NIG failed\n");
+ return -4;
+ }
+
+ /* Reset and init BRB, PRS, NIG */
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
+ msleep(50);
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
+ msleep(50);
+ bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
+ bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
+#ifndef BCM_ISCSI
+ /* set NIC mode */
+ REG_WR(bp, PRS_REG_NIC_MODE, 1);
+#endif
+
+ /* Enable inputs of parser neighbor blocks */
+ REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
+ REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
+ REG_WR(bp, CFC_REG_DEBUG0, 0x0);
+ NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x1);
+
+ DP(NETIF_MSG_HW, "done\n");
+
+ return 0; /* OK */
+}
+
+static void enable_blocks_attention(struct bnx2x *bp)
+{
+ REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
+ REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
+ REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
+ REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
+ REG_WR(bp, QM_REG_QM_INT_MASK, 0);
+ REG_WR(bp, TM_REG_TM_INT_MASK, 0);
+ REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
+ REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
+ REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
+/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
+/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
+ REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
+ REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
+ REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
+/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
+/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
+ REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
+ REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
+ REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
+ REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
+/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
+/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
+ if (CHIP_REV_IS_FPGA(bp))
+ REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
+ else
+ REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
+ REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
+ REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
+ REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
+/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
+/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
+ REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
+ REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
+/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
+ REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */
+}
+
+
+static int bnx2x_init_common(struct bnx2x *bp)
+{
+ u32 val, i;
+
+ DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp));
+
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
+
+ bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END);
+ if (CHIP_IS_E1H(bp))
+ REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp));
+
+ REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100);
+ msleep(30);
+ REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0);
+
+ bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END);
+ if (CHIP_IS_E1(bp)) {
+ /* enable HW interrupt from PXP on USDM overflow
+ bit 16 on INT_MASK_0 */
+ REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
+ }
+
+ bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
+ bnx2x_init_pxp(bp);
+
+#ifdef __BIG_ENDIAN
+ REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
+ REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
+ REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
+ REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
+ REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
+ REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1);
+
+/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
+ REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
+ REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
+ REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
+ REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
+#endif
+
+#ifndef BCM_ISCSI
+ /* set NIC mode */
+ REG_WR(bp, PRS_REG_NIC_MODE, 1);
+#endif
+
+ REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
+#ifdef BCM_ISCSI
+ REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
+ REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
+ REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
+#endif
+
+ if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
+ REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
+
+ /* let the HW do it's magic ... */
+ msleep(100);
+ /* finish PXP init */
+ val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
+ if (val != 1) {
+ BNX2X_ERR("PXP2 CFG failed\n");
+ return -EBUSY;
+ }
+ val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
+ if (val != 1) {
+ BNX2X_ERR("PXP2 RD_INIT failed\n");
+ return -EBUSY;
+ }
+
+ REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
+ REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
+
+ bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
+
+ /* clean the DMAE memory */
+ bp->dmae_ready = 1;
+ bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
+
+ bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
+ bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
+ bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
+ bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
+
+ bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
+ bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
+ bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
+ bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
+
+ bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
+ /* soft reset pulse */
+ REG_WR(bp, QM_REG_SOFT_RESET, 1);
+ REG_WR(bp, QM_REG_SOFT_RESET, 0);
+
+#ifdef BCM_ISCSI
+ bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
+#endif
+
+ bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
+ REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
+ if (!CHIP_REV_IS_SLOW(bp)) {
+ /* enable hw interrupt from doorbell Q */
+ REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
+ }
+
+ bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
+ if (CHIP_REV_IS_SLOW(bp)) {
+ /* fix for emulation and FPGA for no pause */
+ REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
+ REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
+ REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
+ REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
+ }
+
+ bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
+ if (CHIP_IS_E1H(bp))
+ REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
+
+ bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
+ bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
+ bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
+ bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
+
+ if (CHIP_IS_E1H(bp)) {
+ bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
+ STORM_INTMEM_SIZE_E1H/2);
+ bnx2x_init_fill(bp,
+ TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
+ 0, STORM_INTMEM_SIZE_E1H/2);
+ bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
+ STORM_INTMEM_SIZE_E1H/2);
+ bnx2x_init_fill(bp,
+ CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
+ 0, STORM_INTMEM_SIZE_E1H/2);
+ bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
+ STORM_INTMEM_SIZE_E1H/2);
+ bnx2x_init_fill(bp,
+ XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
+ 0, STORM_INTMEM_SIZE_E1H/2);
+ bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
+ STORM_INTMEM_SIZE_E1H/2);
+ bnx2x_init_fill(bp,
+ USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
+ 0, STORM_INTMEM_SIZE_E1H/2);
+ } else { /* E1 */
+ bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
+ STORM_INTMEM_SIZE_E1);
+ bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
+ STORM_INTMEM_SIZE_E1);
+ bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
+ STORM_INTMEM_SIZE_E1);
+ bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
+ STORM_INTMEM_SIZE_E1);
+ }
+
+ bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
+ bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
+ bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
+ bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
+
+ /* sync semi rtc */
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
+ 0x80000000);
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
+ 0x80000000);
+
+ bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
+ bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
+ bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
+
+ REG_WR(bp, SRC_REG_SOFT_RST, 1);
+ for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
+ REG_WR(bp, i, 0xc0cac01a);
+ /* TODO: replace with something meaningful */
+ }
+ if (CHIP_IS_E1H(bp))
+ bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
+ REG_WR(bp, SRC_REG_SOFT_RST, 0);
+
+ if (sizeof(union cdu_context) != 1024)
+ /* we currently assume that a context is 1024 bytes */
+ printk(KERN_ALERT PFX "please adjust the size of"
+ " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
+
+ bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
+ val = (4 << 24) + (0 << 12) + 1024;
+ REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
+ if (CHIP_IS_E1(bp)) {
+ /* !!! fix pxp client crdit until excel update */
+ REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
+ REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
+ }
+
+ bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
+ REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
+
+ bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
+ bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
+
+ /* PXPCS COMMON comes here */
+ /* Reset PCIE errors for debug */
+ REG_WR(bp, 0x2814, 0xffffffff);
+ REG_WR(bp, 0x3820, 0xffffffff);
+
+ /* EMAC0 COMMON comes here */
+ /* EMAC1 COMMON comes here */
+ /* DBU COMMON comes here */
+ /* DBG COMMON comes here */
+
+ bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
+ if (CHIP_IS_E1H(bp)) {
+ REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
+ REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
+ }
+
+ if (CHIP_REV_IS_SLOW(bp))
+ msleep(200);
+
+ /* finish CFC init */
+ val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
+ if (val != 1) {
+ BNX2X_ERR("CFC LL_INIT failed\n");
+ return -EBUSY;
+ }
+ val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
+ if (val != 1) {
+ BNX2X_ERR("CFC AC_INIT failed\n");
+ return -EBUSY;
+ }
+ val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
+ if (val != 1) {
+ BNX2X_ERR("CFC CAM_INIT failed\n");
+ return -EBUSY;
+ }
+ REG_WR(bp, CFC_REG_DEBUG0, 0);
+
+ /* read NIG statistic
+ to see if this is our first up since powerup */
+ bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
+ val = *bnx2x_sp(bp, wb_data[0]);
+
+ /* do internal memory self test */
+ if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
+ BNX2X_ERR("internal mem self test failed\n");
+ return -EBUSY;
+ }
+
+ switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
+ case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
+ /* Fan failure is indicated by SPIO 5 */
+ bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
+ MISC_REGISTERS_SPIO_INPUT_HI_Z);
+
+ /* set to active low mode */
+ val = REG_RD(bp, MISC_REG_SPIO_INT);
+ val |= ((1 << MISC_REGISTERS_SPIO_5) <<
+ MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
+ REG_WR(bp, MISC_REG_SPIO_INT, val);
+
+ /* enable interrupt to signal the IGU */
+ val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
+ val |= (1 << MISC_REGISTERS_SPIO_5);
+ REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
+ break;
+
+ default:
+ break;
+ }
+
+ /* clear PXP2 attentions */
+ REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
+
+ enable_blocks_attention(bp);
+
+ if (bp->flags & TPA_ENABLE_FLAG) {
+ struct tstorm_eth_tpa_exist tmp = {0};
+
+ tmp.tpa_exist = 1;
+
+ REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
+ ((u32 *)&tmp)[0]);
+ REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
+ ((u32 *)&tmp)[1]);
+ }
+
+ return 0;
+}
+
+static int bnx2x_init_port(struct bnx2x *bp)
+{
+ int port = BP_PORT(bp);
+ u32 val;
+
+ DP(BNX2X_MSG_MCP, "starting port init port %x\n", port);
+
+ REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
+
+ /* Port PXP comes here */
+ /* Port PXP2 comes here */
+#ifdef BCM_ISCSI
+ /* Port0 1
+ * Port1 385 */
+ i++;
+ wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
+ wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
+ REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
+ REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
+
+ /* Port0 2
+ * Port1 386 */
+ i++;
+ wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
+ wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
+ REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
+ REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
+
+ /* Port0 3
+ * Port1 387 */
+ i++;
+ wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
+ wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
+ REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
+ REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
+#endif
+ /* Port CMs come here */
+
+ /* Port QM comes here */
+#ifdef BCM_ISCSI
+ REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
+ REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);
+
+ bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
+ func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
+#endif
+ /* Port DQ comes here */
+ /* Port BRB1 comes here */
+ /* Port PRS comes here */
+ /* Port TSDM comes here */
+ /* Port CSDM comes here */
+ /* Port USDM comes here */
+ /* Port XSDM comes here */
+ bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
+ port ? TSEM_PORT1_END : TSEM_PORT0_END);
+ bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
+ port ? USEM_PORT1_END : USEM_PORT0_END);
+ bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
+ port ? CSEM_PORT1_END : CSEM_PORT0_END);
+ bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
+ port ? XSEM_PORT1_END : XSEM_PORT0_END);
+ /* Port UPB comes here */
+ /* Port XPB comes here */
+
+ bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
+ port ? PBF_PORT1_END : PBF_PORT0_END);
+
+ /* configure PBF to work without PAUSE mtu 9000 */
+ REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
+
+ /* update threshold */
+ REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
+ /* update init credit */
+ REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
+
+ /* probe changes */
+ REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
+ msleep(5);
+ REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
+
+#ifdef BCM_ISCSI
+ /* tell the searcher where the T2 table is */
+ REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
+
+ wb_write[0] = U64_LO(bp->t2_mapping);
+ wb_write[1] = U64_HI(bp->t2_mapping);
+ REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
+ wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
+ wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
+ REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);
+
+ REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
+ /* Port SRCH comes here */
+#endif
+ /* Port CDU comes here */
+ /* Port CFC comes here */
+
+ if (CHIP_IS_E1(bp)) {
+ REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
+ REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
+ }
+ bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
+ port ? HC_PORT1_END : HC_PORT0_END);
+
+ bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
+ MISC_AEU_PORT0_START,
+ port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
+ /* init aeu_mask_attn_func_0/1:
+ * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
+ * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
+ * bits 4-7 are used for "per vn group attention" */
+ REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
+ (IS_E1HMF(bp) ? 0xF7 : 0x7));
+
+ /* Port PXPCS comes here */
+ /* Port EMAC0 comes here */
+ /* Port EMAC1 comes here */
+ /* Port DBU comes here */
+ /* Port DBG comes here */
+ bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
+ port ? NIG_PORT1_END : NIG_PORT0_END);
+
+ REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
+
+ if (CHIP_IS_E1H(bp)) {
+ u32 wsum;
+ struct cmng_struct_per_port m_cmng_port;
+ int vn;
+
+ /* 0x2 disable e1hov, 0x1 enable */
+ REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
+ (IS_E1HMF(bp) ? 0x1 : 0x2));
+
+ /* Init RATE SHAPING and FAIRNESS contexts.
+ Initialize as if there is 10G link. */
+ wsum = bnx2x_calc_vn_wsum(bp);
+ bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
+ if (IS_E1HMF(bp))
+ for (vn = VN_0; vn < E1HVN_MAX; vn++)
+ bnx2x_init_vn_minmax(bp, 2*vn + port,
+ wsum, 10000, &m_cmng_port);
+ }
+
+ /* Port MCP comes here */
+ /* Port DMAE comes here */
+
+ switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
+ case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
+ /* add SPIO 5 to group 0 */
+ val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
+ val |= AEU_INPUTS_ATTN_BITS_SPIO5;
+ REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
+ break;
+
+ default:
+ break;
+ }
+
+ bnx2x__link_reset(bp);
+
+ return 0;
+}
+
+#define ILT_PER_FUNC (768/2)
+#define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
+/* the phys address is shifted right 12 bits and has an added
+ 1=valid bit added to the 53rd bit
+ then since this is a wide register(TM)
+ we split it into two 32 bit writes
+ */
+#define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
+#define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
+#define PXP_ONE_ILT(x) (((x) << 10) | x)
+#define PXP_ILT_RANGE(f, l) (((l) << 10) | f)
+
+#define CNIC_ILT_LINES 0
+
+static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
+{
+ int reg;
+
+ if (CHIP_IS_E1H(bp))
+ reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
+ else /* E1 */
+ reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
+
+ bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
+}
+
+static int bnx2x_init_func(struct bnx2x *bp)
+{
+ int port = BP_PORT(bp);
+ int func = BP_FUNC(bp);
+ int i;
+
+ DP(BNX2X_MSG_MCP, "starting func init func %x\n", func);
+
+ i = FUNC_ILT_BASE(func);
+
+ bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
+ if (CHIP_IS_E1H(bp)) {
+ REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
+ REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
+ } else /* E1 */
+ REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
+ PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
+
+
+ if (CHIP_IS_E1H(bp)) {
+ for (i = 0; i < 9; i++)
+ bnx2x_init_block(bp,
+ cm_start[func][i], cm_end[func][i]);
+
+ REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
+ REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
+ }
+
+ /* HC init per function */
+ if (CHIP_IS_E1H(bp)) {
+ REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
+
+ REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
+ REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
+ }
+ bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);
+
+ if (CHIP_IS_E1H(bp))
+ REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);
+
+ /* Reset PCIE errors for debug */
+ REG_WR(bp, 0x2114, 0xffffffff);
+ REG_WR(bp, 0x2120, 0xffffffff);
+
+ return 0;
+}
+
+static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
+{
+ int i, rc = 0;
+
+ DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
+ BP_FUNC(bp), load_code);
+
+ bp->dmae_ready = 0;
+ mutex_init(&bp->dmae_mutex);
+ bnx2x_gunzip_init(bp);
+
+ switch (load_code) {
+ case FW_MSG_CODE_DRV_LOAD_COMMON:
+ rc = bnx2x_init_common(bp);
+ if (rc)
+ goto init_hw_err;
+ /* no break */
+
+ case FW_MSG_CODE_DRV_LOAD_PORT:
+ bp->dmae_ready = 1;
+ rc = bnx2x_init_port(bp);
+ if (rc)
+ goto init_hw_err;
+ /* no break */
+
+ case FW_MSG_CODE_DRV_LOAD_FUNCTION:
+ bp->dmae_ready = 1;
+ rc = bnx2x_init_func(bp);
+ if (rc)
+ goto init_hw_err;
+ break;
+
+ default:
+ BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
+ break;
+ }
+
+ if (!BP_NOMCP(bp)) {
+ int func = BP_FUNC(bp);
+
+ bp->fw_drv_pulse_wr_seq =
+ (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
+ DRV_PULSE_SEQ_MASK);
+ bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
+ DP(BNX2X_MSG_MCP, "drv_pulse 0x%x func_stx 0x%x\n",
+ bp->fw_drv_pulse_wr_seq, bp->func_stx);
+ } else
+ bp->func_stx = 0;
+
+ /* this needs to be done before gunzip end */
+ bnx2x_zero_def_sb(bp);
+ for_each_queue(bp, i)
+ bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
+
+init_hw_err:
+ bnx2x_gunzip_end(bp);
+
+ return rc;
+}
+
+/* send the MCP a request, block until there is a reply */
+static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
+{
+ int func = BP_FUNC(bp);
+ u32 seq = ++bp->fw_seq;
+ u32 rc = 0;
+
+ SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
+ DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
+
+ /* let the FW do it's magic ... */
+ msleep(100); /* TBD */
+
+ if (CHIP_REV_IS_SLOW(bp))
+ msleep(900);
+
+ rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
+ DP(BNX2X_MSG_MCP, "read (%x) seq is (%x) from FW MB\n", rc, seq);
+
+ /* is this a reply to our command? */
+ if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
+ rc &= FW_MSG_CODE_MASK;
+
+ } else {
+ /* FW BUG! */
+ BNX2X_ERR("FW failed to respond!\n");
+ bnx2x_fw_dump(bp);
+ rc = 0;
+ }
+
+ return rc;
+}
+
+static void bnx2x_free_mem(struct bnx2x *bp)
+{
+
+#define BNX2X_PCI_FREE(x, y, size) \
+ do { \
+ if (x) { \
+ pci_free_consistent(bp->pdev, size, x, y); \
+ x = NULL; \
+ y = 0; \
+ } \
+ } while (0)
+
+#define BNX2X_FREE(x) \
+ do { \
+ if (x) { \
+ vfree(x); \
+ x = NULL; \
+ } \
+ } while (0)
+
+ int i;
+
+ /* fastpath */
+ for_each_queue(bp, i) {
+
+ /* Status blocks */
+ BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
+ bnx2x_fp(bp, i, status_blk_mapping),
+ sizeof(struct host_status_block) +
+ sizeof(struct eth_tx_db_data));
+
+ /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
+ BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
+ BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
+ bnx2x_fp(bp, i, tx_desc_mapping),
+ sizeof(struct eth_tx_bd) * NUM_TX_BD);
+
+ BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
+ BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
+ bnx2x_fp(bp, i, rx_desc_mapping),
+ sizeof(struct eth_rx_bd) * NUM_RX_BD);
+
+ BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
+ bnx2x_fp(bp, i, rx_comp_mapping),
+ sizeof(struct eth_fast_path_rx_cqe) *
+ NUM_RCQ_BD);
+
+ /* SGE ring */
+ BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
+ bnx2x_fp(bp, i, rx_sge_mapping),
+ BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
+ }
+ /* end of fastpath */
+
+ BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
+ sizeof(struct host_def_status_block));
+
+ BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
+ sizeof(struct bnx2x_slowpath));
+
+#ifdef BCM_ISCSI
+ BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
+ BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
+ BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
+ BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
+#endif
+ BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
+
+#undef BNX2X_PCI_FREE
+#undef BNX2X_KFREE
+}
+
+static int bnx2x_alloc_mem(struct bnx2x *bp)
+{
+
+#define BNX2X_PCI_ALLOC(x, y, size) \
+ do { \
+ x = pci_alloc_consistent(bp->pdev, size, y); \
+ if (x == NULL) \
+ goto alloc_mem_err; \
+ memset(x, 0, size); \
+ } while (0)
+
+#define BNX2X_ALLOC(x, size) \
+ do { \
+ x = vmalloc(size); \
+ if (x == NULL) \
+ goto alloc_mem_err; \
+ memset(x, 0, size); \
+ } while (0)
+
+ int i;
+
+ /* fastpath */
+ for_each_queue(bp, i) {
+ bnx2x_fp(bp, i, bp) = bp;
+
+ /* Status blocks */
+ BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
+ &bnx2x_fp(bp, i, status_blk_mapping),
+ sizeof(struct host_status_block) +
+ sizeof(struct eth_tx_db_data));
+
+ bnx2x_fp(bp, i, hw_tx_prods) =
+ (void *)(bnx2x_fp(bp, i, status_blk) + 1);
+
+ bnx2x_fp(bp, i, tx_prods_mapping) =
+ bnx2x_fp(bp, i, status_blk_mapping) +
+ sizeof(struct host_status_block);
+
+ /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
+ BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
+ sizeof(struct sw_tx_bd) * NUM_TX_BD);
+ BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
+ &bnx2x_fp(bp, i, tx_desc_mapping),
+ sizeof(struct eth_tx_bd) * NUM_TX_BD);
+
+ BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
+ sizeof(struct sw_rx_bd) * NUM_RX_BD);
+ BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
+ &bnx2x_fp(bp, i, rx_desc_mapping),
+ sizeof(struct eth_rx_bd) * NUM_RX_BD);
+
+ BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
+ &bnx2x_fp(bp, i, rx_comp_mapping),
+ sizeof(struct eth_fast_path_rx_cqe) *
+ NUM_RCQ_BD);
+
+ /* SGE ring */
+ BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
+ sizeof(struct sw_rx_page) * NUM_RX_SGE);
+ BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
+ &bnx2x_fp(bp, i, rx_sge_mapping),
+ BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
+ }
+ /* end of fastpath */
+
+ BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
+ sizeof(struct host_def_status_block));
+
+ BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
+ sizeof(struct bnx2x_slowpath));
+
+#ifdef BCM_ISCSI
+ BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
+
+ /* Initialize T1 */
+ for (i = 0; i < 64*1024; i += 64) {
+ *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
+ *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
+ }
+
+ /* allocate searcher T2 table
+ we allocate 1/4 of alloc num for T2
+ (which is not entered into the ILT) */
+ BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
+
+ /* Initialize T2 */
+ for (i = 0; i < 16*1024; i += 64)
+ * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
+
+ /* now fixup the last line in the block to point to the next block */
+ *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
+
+ /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
+ BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
+
+ /* QM queues (128*MAX_CONN) */
+ BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
+#endif
+
+ /* Slow path ring */
+ BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
+
+ return 0;
+
+alloc_mem_err:
+ bnx2x_free_mem(bp);
+ return -ENOMEM;
+
+#undef BNX2X_PCI_ALLOC
+#undef BNX2X_ALLOC
+}
+
+static void bnx2x_free_tx_skbs(struct bnx2x *bp)
+{
+ int i;
+
+ for_each_queue(bp, i) {
+ struct bnx2x_fastpath *fp = &bp->fp[i];
+
+ u16 bd_cons = fp->tx_bd_cons;
+ u16 sw_prod = fp->tx_pkt_prod;
+ u16 sw_cons = fp->tx_pkt_cons;
+
+ while (sw_cons != sw_prod) {
+ bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
+ sw_cons++;
+ }
+ }
+}
+
+static void bnx2x_free_rx_skbs(struct bnx2x *bp)
+{
+ int i, j;
+
+ for_each_queue(bp, j) {
+ struct bnx2x_fastpath *fp = &bp->fp[j];
+
+ for (i = 0; i < NUM_RX_BD; i++) {
+ struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
+ struct sk_buff *skb = rx_buf->skb;
+
+ if (skb == NULL)
+ continue;
+
+ pci_unmap_single(bp->pdev,
+ pci_unmap_addr(rx_buf, mapping),
+ bp->rx_buf_use_size,
+ PCI_DMA_FROMDEVICE);
+
+ rx_buf->skb = NULL;
+ dev_kfree_skb(skb);
+ }
+ if (!fp->disable_tpa)
+ bnx2x_free_tpa_pool(bp, fp,
+ ETH_MAX_AGGREGATION_QUEUES_E1H);
+ }
+}
+
+static void bnx2x_free_skbs(struct bnx2x *bp)
+{
+ bnx2x_free_tx_skbs(bp);
+ bnx2x_free_rx_skbs(bp);
+}
+
+static void bnx2x_free_msix_irqs(struct bnx2x *bp)
+{
+ int i, offset = 1;
+
+ free_irq(bp->msix_table[0].vector, bp->dev);
+ DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
+ bp->msix_table[0].vector);
+
+ for_each_queue(bp, i) {
+ DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq "
+ "state %x\n", i, bp->msix_table[i + offset].vector,
+ bnx2x_fp(bp, i, state));
+
+ if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
+ BNX2X_ERR("IRQ of fp #%d being freed while "
+ "state != closed\n", i);
+
+ free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
+ }
+}
+
+static void bnx2x_free_irq(struct bnx2x *bp)
+{
+ if (bp->flags & USING_MSIX_FLAG) {
+ bnx2x_free_msix_irqs(bp);
+ pci_disable_msix(bp->pdev);
+ bp->flags &= ~USING_MSIX_FLAG;
+
+ } else
+ free_irq(bp->pdev->irq, bp->dev);
+}
+
+static int bnx2x_enable_msix(struct bnx2x *bp)
+{
+ int i, rc, offset;
+
+ bp->msix_table[0].entry = 0;
+ offset = 1;
+ DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
+
+ for_each_queue(bp, i) {
+ int igu_vec = offset + i + BP_L_ID(bp);
+
+ bp->msix_table[i + offset].entry = igu_vec;
+ DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
+ "(fastpath #%u)\n", i + offset, igu_vec, i);
+ }
+
+ rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
+ bp->num_queues + offset);
+ if (rc) {
+ DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
+ return -1;
+ }
+ bp->flags |= USING_MSIX_FLAG;
+
+ return 0;
+}
+
+static int bnx2x_req_msix_irqs(struct bnx2x *bp)
+{
+ int i, rc, offset = 1;
+
+ rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
+ bp->dev->name, bp->dev);
+ if (rc) {
+ BNX2X_ERR("request sp irq failed\n");
+ return -EBUSY;
+ }
+
+ for_each_queue(bp, i) {
+ rc = request_irq(bp->msix_table[i + offset].vector,
+ bnx2x_msix_fp_int, 0,
+ bp->dev->name, &bp->fp[i]);
+ if (rc) {
+ BNX2X_ERR("request fp #%d irq failed rc %d\n",
+ i + offset, rc);
+ bnx2x_free_msix_irqs(bp);
+ return -EBUSY;
+ }
+
+ bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
+ }
+
+ return 0;
+}
+
+static int bnx2x_req_irq(struct bnx2x *bp)
+{
+ int rc;
+
+ rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
+ bp->dev->name, bp->dev);
+ if (!rc)
+ bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
+
+ return rc;
+}
+
+/*
+ * Init service functions
+ */
+
+static void bnx2x_set_mac_addr_e1(struct bnx2x *bp)
+{
+ struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
+ int port = BP_PORT(bp);
+
+ /* CAM allocation
+ * unicasts 0-31:port0 32-63:port1
+ * multicast 64-127:port0 128-191:port1
+ */
+ config->hdr.length_6b = 2;
+ config->hdr.offset = port ? 31 : 0;
+ config->hdr.client_id = BP_CL_ID(bp);
+ config->hdr.reserved1 = 0;
+
+ /* primary MAC */
+ config->config_table[0].cam_entry.msb_mac_addr =
+ swab16(*(u16 *)&bp->dev->dev_addr[0]);
+ config->config_table[0].cam_entry.middle_mac_addr =
+ swab16(*(u16 *)&bp->dev->dev_addr[2]);
+ config->config_table[0].cam_entry.lsb_mac_addr =
+ swab16(*(u16 *)&bp->dev->dev_addr[4]);
+ config->config_table[0].cam_entry.flags = cpu_to_le16(port);
+ config->config_table[0].target_table_entry.flags = 0;
+ config->config_table[0].target_table_entry.client_id = 0;
+ config->config_table[0].target_table_entry.vlan_id = 0;
+
+ DP(NETIF_MSG_IFUP, "setting MAC (%04x:%04x:%04x)\n",
+ config->config_table[0].cam_entry.msb_mac_addr,
+ config->config_table[0].cam_entry.middle_mac_addr,
+ config->config_table[0].cam_entry.lsb_mac_addr);
+
+ /* broadcast */
+ config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
+ config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
+ config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
+ config->config_table[1].cam_entry.flags = cpu_to_le16(port);
+ config->config_table[1].target_table_entry.flags =
+ TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
+ config->config_table[1].target_table_entry.client_id = 0;
+ config->config_table[1].target_table_entry.vlan_id = 0;
+
+ bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
+ U64_HI(bnx2x_sp_mapping(bp, mac_config)),
+ U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
+}
+
+static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp)
+{
+ struct mac_configuration_cmd_e1h *config =
+ (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
+
+ if (bp->state != BNX2X_STATE_OPEN) {
+ DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
+ return;
+ }
+
+ /* CAM allocation for E1H
+ * unicasts: by func number
+ * multicast: 20+FUNC*20, 20 each
+ */
+ config->hdr.length_6b = 1;
+ config->hdr.offset = BP_FUNC(bp);
+ config->hdr.client_id = BP_CL_ID(bp);
+ config->hdr.reserved1 = 0;
+
+ /* primary MAC */
+ config->config_table[0].msb_mac_addr =
+ swab16(*(u16 *)&bp->dev->dev_addr[0]);
+ config->config_table[0].middle_mac_addr =
+ swab16(*(u16 *)&bp->dev->dev_addr[2]);
+ config->config_table[0].lsb_mac_addr =
+ swab16(*(u16 *)&bp->dev->dev_addr[4]);
+ config->config_table[0].client_id = BP_L_ID(bp);
+ config->config_table[0].vlan_id = 0;
+ config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
+ config->config_table[0].flags = BP_PORT(bp);
+
+ DP(NETIF_MSG_IFUP, "setting MAC (%04x:%04x:%04x) E1HOV %d CLID %d\n",
+ config->config_table[0].msb_mac_addr,
+ config->config_table[0].middle_mac_addr,
+ config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
+
+ bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
+ U64_HI(bnx2x_sp_mapping(bp, mac_config)),
+ U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
+}
+
+static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
+ int *state_p, int poll)
+{
+ /* can take a while if any port is running */
+ int cnt = 500;
+
+ DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
+ poll ? "polling" : "waiting", state, idx);
+
+ might_sleep();
+ while (cnt--) {
+ if (poll) {
+ bnx2x_rx_int(bp->fp, 10);
+ /* if index is different from 0
+ * the reply for some commands will
+ * be on the none default queue
+ */
+ if (idx)
+ bnx2x_rx_int(&bp->fp[idx], 10);
+ }
+ mb(); /* state is changed by bnx2x_sp_event() */
+
+ if (*state_p == state)
+ return 0;
+
+ msleep(1);
+ }
+
+ /* timeout! */
+ BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
+ poll ? "polling" : "waiting", state, idx);
+#ifdef BNX2X_STOP_ON_ERROR
+ bnx2x_panic();
+#endif
+
+ return -EBUSY;
+}
+
+static int bnx2x_setup_leading(struct bnx2x *bp)
+{
+ int rc;
+
+ /* reset IGU state */
+ bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
+
+ /* SETUP ramrod */
+ bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
+
+ /* Wait for completion */
+ rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
+
+ return rc;
+}
+
+static int bnx2x_setup_multi(struct bnx2x *bp, int index)
+{
+ /* reset IGU state */
+ bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
+
+ /* SETUP ramrod */
+ bp->fp[index].state = BNX2X_FP_STATE_OPENING;
+ bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
+
+ /* Wait for completion */
+ return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
+ &(bp->fp[index].state), 0);
+}
+
+static int bnx2x_poll(struct napi_struct *napi, int budget);
+static void bnx2x_set_rx_mode(struct net_device *dev);
+
+/* must be called with rtnl_lock */
+static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
+{
+ u32 load_code;
+ int i, rc;
+
+#ifdef BNX2X_STOP_ON_ERROR
+ if (unlikely(bp->panic))
+ return -EPERM;
+#endif
+
+ bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
+
+ /* Send LOAD_REQUEST command to MCP
+ Returns the type of LOAD command:
+ if it is the first port to be initialized
+ common blocks should be initialized, otherwise - not
+ */
+ if (!BP_NOMCP(bp)) {
+ load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
+ if (!load_code) {
+ BNX2X_ERR("MCP response failure, unloading\n");
+ return -EBUSY;
+ }
+ if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
+ return -EBUSY; /* other port in diagnostic mode */
+
+ } else {
+ DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
+ load_count[0], load_count[1], load_count[2]);
+ load_count[0]++;
+ load_count[1 + BP_PORT(bp)]++;
+ DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n",
+ load_count[0], load_count[1], load_count[2]);
+ if (load_count[0] == 1)
+ load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
+ else if (load_count[1 + BP_PORT(bp)] == 1)
+ load_code = FW_MSG_CODE_DRV_LOAD_PORT;
+ else
+ load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
+ }
+
+ if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
+ (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
+ bp->port.pmf = 1;
+ else
+ bp->port.pmf = 0;
+ DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
+
+ /* if we can't use MSI-X we only need one fp,
+ * so try to enable MSI-X with the requested number of fp's
+ * and fallback to inta with one fp
+ */
+ if (use_inta) {
+ bp->num_queues = 1;
+
+ } else {
+ if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
+ /* user requested number */
+ bp->num_queues = use_multi;
+
+ else if (use_multi)
+ bp->num_queues = min_t(u32, num_online_cpus(),
+ BP_MAX_QUEUES(bp));
+ else
+ bp->num_queues = 1;
+
+ if (bnx2x_enable_msix(bp)) {
+ /* failed to enable MSI-X */
+ bp->num_queues = 1;
+ if (use_multi)
+ BNX2X_ERR("Multi requested but failed"
+ " to enable MSI-X\n");
+ }
+ }
+ DP(NETIF_MSG_IFUP,
+ "set number of queues to %d\n", bp->num_queues);
+
+ if (bnx2x_alloc_mem(bp))
+ return -ENOMEM;
+
+ for_each_queue(bp, i)
+ bnx2x_fp(bp, i, disable_tpa) =
+ ((bp->flags & TPA_ENABLE_FLAG) == 0);
+
+ /* Disable interrupt handling until HW is initialized */
+ atomic_set(&bp->intr_sem, 1);
+
+ if (bp->flags & USING_MSIX_FLAG) {
+ rc = bnx2x_req_msix_irqs(bp);
+ if (rc) {
+ pci_disable_msix(bp->pdev);
+ goto load_error;
+ }
+ } else {
+ bnx2x_ack_int(bp);
+ rc = bnx2x_req_irq(bp);
+ if (rc) {
+ BNX2X_ERR("IRQ request failed, aborting\n");
+ goto load_error;
+ }
+ }
+
+ for_each_queue(bp, i)
+ netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
+ bnx2x_poll, 128);
+
+ /* Initialize HW */
+ rc = bnx2x_init_hw(bp, load_code);
+ if (rc) {
+ BNX2X_ERR("HW init failed, aborting\n");
+ goto load_error;
+ }
+
+ /* Enable interrupt handling */
+ atomic_set(&bp->intr_sem, 0);
+
+ /* Setup NIC internals and enable interrupts */
+ bnx2x_nic_init(bp);
+
+ /* Send LOAD_DONE command to MCP */
+ if (!BP_NOMCP(bp)) {
+ load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
+ if (!load_code) {
+ BNX2X_ERR("MCP response failure, unloading\n");
+ rc = -EBUSY;
+ goto load_int_disable;
+ }
+ }
+
+ bnx2x_stats_init(bp);
+
+ bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
+
+ /* Enable Rx interrupt handling before sending the ramrod
+ as it's completed on Rx FP queue */
+ for_each_queue(bp, i)
+ napi_enable(&bnx2x_fp(bp, i, napi));
+
+ rc = bnx2x_setup_leading(bp);
+ if (rc) {
+#ifdef BNX2X_STOP_ON_ERROR
+ bp->panic = 1;
+#endif
+ goto load_stop_netif;
+ }
+
+ if (CHIP_IS_E1H(bp))
+ if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
+ BNX2X_ERR("!!! mf_cfg function disabled\n");
+ bp->state = BNX2X_STATE_DISABLED;
+ }
+
+ if (bp->state == BNX2X_STATE_OPEN)
+ for_each_nondefault_queue(bp, i) {
+ rc = bnx2x_setup_multi(bp, i);
+ if (rc)
+ goto load_stop_netif;
+ }
+
+ if (CHIP_IS_E1(bp))
+ bnx2x_set_mac_addr_e1(bp);
+ else
+ bnx2x_set_mac_addr_e1h(bp);
+
+ if (bp->port.pmf)
+ bnx2x_initial_phy_init(bp);
+
+ /* Start fast path */
+ switch (load_mode) {
+ case LOAD_NORMAL:
+ /* Tx queue should be only reenabled */
+ netif_wake_queue(bp->dev);
+ bnx2x_set_rx_mode(bp->dev);
+ break;
+
+ case LOAD_OPEN:
+ /* IRQ is only requested from bnx2x_open */
+ netif_start_queue(bp->dev);
+ bnx2x_set_rx_mode(bp->dev);
+ if (bp->flags & USING_MSIX_FLAG)
+ printk(KERN_INFO PFX "%s: using MSI-X\n",
+ bp->dev->name);
+ break;
+
+ case LOAD_DIAG:
+ bnx2x_set_rx_mode(bp->dev);
+ bp->state = BNX2X_STATE_DIAG;
+ break;
+
+ default:
+ break;
+ }
+
+ if (!bp->port.pmf)
+ bnx2x__link_status_update(bp);
+
+ /* start the timer */
+ mod_timer(&bp->timer, jiffies + bp->current_interval);
+
+
+ return 0;
+
+load_stop_netif:
+ for_each_queue(bp, i)
+ napi_disable(&bnx2x_fp(bp, i, napi));
+
+load_int_disable:
+ bnx2x_int_disable_sync(bp);
+
+ /* Release IRQs */
+ bnx2x_free_irq(bp);
+
+ /* Free SKBs, SGEs, TPA pool and driver internals */
+ bnx2x_free_skbs(bp);
+ for_each_queue(bp, i)
+ bnx2x_free_rx_sge_range(bp, bp->fp + i,
+ RX_SGE_CNT*NUM_RX_SGE_PAGES);
+load_error:
+ bnx2x_free_mem(bp);
+
+ /* TBD we really need to reset the chip
+ if we want to recover from this */
+ return rc;
+}
+
+static int bnx2x_stop_multi(struct bnx2x *bp, int index)
+{
+ int rc;
+
+ /* halt the connection */
+ bp->fp[index].state = BNX2X_FP_STATE_HALTING;
+ bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, 0, 0);
+
+ /* Wait for completion */
+ rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
+ &(bp->fp[index].state), 1);
+ if (rc) /* timeout */
+ return rc;
+
+ /* delete cfc entry */
+ bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);
+
+ /* Wait for completion */
+ rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
+ &(bp->fp[index].state), 1);
+ return rc;
+}
+
+static void bnx2x_stop_leading(struct bnx2x *bp)
+{
+ u16 dsb_sp_prod_idx;
+ /* if the other port is handling traffic,
+ this can take a lot of time */
+ int cnt = 500;
+ int rc;
+
+ might_sleep();
+
+ /* Send HALT ramrod */
+ bp->fp[0].state = BNX2X_FP_STATE_HALTING;
+ bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
+
+ /* Wait for completion */
+ rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
+ &(bp->fp[0].state), 1);
+ if (rc) /* timeout */
+ return;
+
+ dsb_sp_prod_idx = *bp->dsb_sp_prod;
+
+ /* Send PORT_DELETE ramrod */
+ bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
+
+ /* Wait for completion to arrive on default status block
+ we are going to reset the chip anyway
+ so there is not much to do if this times out
+ */
+ while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
+ msleep(1);
+ if (!cnt) {
+ DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
+ "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
+ *bp->dsb_sp_prod, dsb_sp_prod_idx);
+#ifdef BNX2X_STOP_ON_ERROR
+ bnx2x_panic();
+#endif
+ break;
+ }
+ cnt--;
+ }
+ bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
+ bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
+}
+
+static void bnx2x_reset_func(struct bnx2x *bp)
+{
+ int port = BP_PORT(bp);
+ int func = BP_FUNC(bp);
+ int base, i;
+
+ /* Configure IGU */
+ REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
+ REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
+
+ REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);
+
+ /* Clear ILT */
+ base = FUNC_ILT_BASE(func);
+ for (i = base; i < base + ILT_PER_FUNC; i++)
+ bnx2x_ilt_wr(bp, i, 0);
+}
+
+static void bnx2x_reset_port(struct bnx2x *bp)
+{
+ int port = BP_PORT(bp);
+ u32 val;
+
+ REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
+
+ /* Do not rcv packets to BRB */
+ REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
+ /* Do not direct rcv packets that are not for MCP to the BRB */
+ REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
+ NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
+
+ /* Configure AEU */
+ REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
+
+ msleep(100);
+ /* Check for BRB port occupancy */
+ val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
+ if (val)
+ DP(NETIF_MSG_IFDOWN,
+ "BRB1 is not empty %d blooks are occupied\n", val);
+
+ /* TODO: Close Doorbell port? */
+}
+
+static void bnx2x_reset_common(struct bnx2x *bp)
+{
+ /* reset_common */
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
+ 0xd3ffff7f);
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
+}
+
+static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
+{
+ DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
+ BP_FUNC(bp), reset_code);
+
+ switch (reset_code) {
+ case FW_MSG_CODE_DRV_UNLOAD_COMMON:
+ bnx2x_reset_port(bp);
+ bnx2x_reset_func(bp);
+ bnx2x_reset_common(bp);
+ break;
+
+ case FW_MSG_CODE_DRV_UNLOAD_PORT:
+ bnx2x_reset_port(bp);
+ bnx2x_reset_func(bp);
+ break;
+
+ case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
+ bnx2x_reset_func(bp);
+ break;
+
+ default:
+ BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
+ break;
+ }
+}
+
+/* msut be called with rtnl_lock */
+static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
+{
+ u32 reset_code = 0;
+ int i, cnt;
+
+ bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
+
+ bp->rx_mode = BNX2X_RX_MODE_NONE;
+ bnx2x_set_storm_rx_mode(bp);
+
+ if (netif_running(bp->dev)) {
+ netif_tx_disable(bp->dev);
+ bp->dev->trans_start = jiffies; /* prevent tx timeout */
+ }
+
+ del_timer_sync(&bp->timer);
+ SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
+ (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
+ bnx2x_stats_handle(bp, STATS_EVENT_STOP);
+
+ /* Wait until all fast path tasks complete */
+ for_each_queue(bp, i) {
+ struct bnx2x_fastpath *fp = &bp->fp[i];
+
+#ifdef BNX2X_STOP_ON_ERROR
+#ifdef __powerpc64__
+ DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
+#else
+ DP(NETIF_MSG_IFDOWN, "fp->tpa_queue_used = 0x%llx\n",
+#endif
+ fp->tpa_queue_used);
+#endif
+ cnt = 1000;
+ smp_rmb();
+ while (bnx2x_has_work(fp)) {
+ msleep(1);
+ if (!cnt) {
+ BNX2X_ERR("timeout waiting for queue[%d]\n",
+ i);
+#ifdef BNX2X_STOP_ON_ERROR
+ bnx2x_panic();
+ return -EBUSY;
+#else
+ break;
+#endif
+ }
+ cnt--;
+ smp_rmb();
+ }
+ }
+
+ /* Wait until all slow path tasks complete */
+ cnt = 1000;
+ while ((bp->spq_left != MAX_SPQ_PENDING) && cnt--)
+ msleep(1);
+
+ for_each_queue(bp, i)
+ napi_disable(&bnx2x_fp(bp, i, napi));
+ /* Disable interrupts after Tx and Rx are disabled on stack level */
+ bnx2x_int_disable_sync(bp);
+
+ /* Release IRQs */
+ bnx2x_free_irq(bp);
+
+ if (bp->flags & NO_WOL_FLAG)
+ reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
+
+ else if (bp->wol) {
+ u32 emac_base = BP_PORT(bp) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
+ u8 *mac_addr = bp->dev->dev_addr;
+ u32 val;
+
+ /* The mac address is written to entries 1-4 to
+ preserve entry 0 which is used by the PMF */
+ val = (mac_addr[0] << 8) | mac_addr[1];
+ EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + (BP_E1HVN(bp) + 1)*8, val);
+
+ val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
+ (mac_addr[4] << 8) | mac_addr[5];
+ EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + (BP_E1HVN(bp) + 1)*8 + 4,
+ val);
+
+ reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
+
+ } else
+ reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
+
+ /* Close multi and leading connections
+ Completions for ramrods are collected in a synchronous way */
+ for_each_nondefault_queue(bp, i)
+ if (bnx2x_stop_multi(bp, i))
+ goto unload_error;
+
+ if (CHIP_IS_E1H(bp))
+ REG_WR(bp, NIG_REG_LLH0_FUNC_EN + BP_PORT(bp)*8, 0);
+
+ bnx2x_stop_leading(bp);
+#ifdef BNX2X_STOP_ON_ERROR
+ /* If ramrod completion timed out - break here! */
+ if (bp->panic) {
+ BNX2X_ERR("Stop leading failed!\n");
+ return -EBUSY;
+ }
+#endif
+
+ if ((bp->state != BNX2X_STATE_CLOSING_WAIT4_UNLOAD) ||
+ (bp->fp[0].state != BNX2X_FP_STATE_CLOSED)) {
+ DP(NETIF_MSG_IFDOWN, "failed to close leading properly! "
+ "state 0x%x fp[0].state 0x%x\n",
+ bp->state, bp->fp[0].state);
+ }
+
+unload_error:
+ if (!BP_NOMCP(bp))
+ reset_code = bnx2x_fw_command(bp, reset_code);
+ else {
+ DP(NETIF_MSG_IFDOWN, "NO MCP load counts %d, %d, %d\n",
+ load_count[0], load_count[1], load_count[2]);
+ load_count[0]--;
+ load_count[1 + BP_PORT(bp)]--;
+ DP(NETIF_MSG_IFDOWN, "NO MCP new load counts %d, %d, %d\n",
+ load_count[0], load_count[1], load_count[2]);
+ if (load_count[0] == 0)
+ reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
+ else if (load_count[1 + BP_PORT(bp)] == 0)
+ reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
+ else
+ reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
+ }
+
+ if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
+ (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
+ bnx2x__link_reset(bp);
+
+ /* Reset the chip */
+ bnx2x_reset_chip(bp, reset_code);
+
+ /* Report UNLOAD_DONE to MCP */
+ if (!BP_NOMCP(bp))
+ bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
+
+ /* Free SKBs, SGEs, TPA pool and driver internals */
+ bnx2x_free_skbs(bp);
+ for_each_queue(bp, i)
+ bnx2x_free_rx_sge_range(bp, bp->fp + i,
+ RX_SGE_CNT*NUM_RX_SGE_PAGES);
+ bnx2x_free_mem(bp);
+
+ bp->state = BNX2X_STATE_CLOSED;
+
+ netif_carrier_off(bp->dev);
+
+ return 0;
+}
+
+static void bnx2x_reset_task(struct work_struct *work)
+{
+ struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
+
+#ifdef BNX2X_STOP_ON_ERROR
+ BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
+ " so reset not done to allow debug dump,\n"
+ KERN_ERR " you will need to reboot when done\n");
+ return;
+#endif
+
+ rtnl_lock();
+
+ if (!netif_running(bp->dev))
+ goto reset_task_exit;
+
+ bnx2x_nic_unload(bp, UNLOAD_NORMAL);
+ bnx2x_nic_load(bp, LOAD_NORMAL);
+
+reset_task_exit:
+ rtnl_unlock();
+}
+
+/* end of nic load/unload */
+
+/* ethtool_ops */
+
+/*
+ * Init service functions
+ */
+
+static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
+{
+ u32 val;
+
+ /* Check if there is any driver already loaded */
+ val = REG_RD(bp, MISC_REG_UNPREPARED);
+ if (val == 0x1) {
+ /* Check if it is the UNDI driver
+ * UNDI driver initializes CID offset for normal bell to 0x7
+ */
+ val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
+ if (val == 0x7) {
+ u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
+ /* save our func and fw_seq */
+ int func = BP_FUNC(bp);
+ u16 fw_seq = bp->fw_seq;
+
+ BNX2X_DEV_INFO("UNDI is active! reset device\n");
+
+ /* try unload UNDI on port 0 */
+ bp->func = 0;
+ bp->fw_seq = (SHMEM_RD(bp,
+ func_mb[bp->func].drv_mb_header) &
+ DRV_MSG_SEQ_NUMBER_MASK);
+
+ reset_code = bnx2x_fw_command(bp, reset_code);
+ bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
+
+ /* if UNDI is loaded on the other port */
+ if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
+
+ bp->func = 1;
+ bp->fw_seq = (SHMEM_RD(bp,
+ func_mb[bp->func].drv_mb_header) &
+ DRV_MSG_SEQ_NUMBER_MASK);
+
+ bnx2x_fw_command(bp,
+ DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS);
+ bnx2x_fw_command(bp,
+ DRV_MSG_CODE_UNLOAD_DONE);
+
+ /* restore our func and fw_seq */
+ bp->func = func;
+ bp->fw_seq = fw_seq;
+ }
+
+ /* reset device */
+ REG_WR(bp,
+ GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
+ 0xd3ffff7f);
+ REG_WR(bp,
+ GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
+ 0x1403);
+ }
+ }
+}
+
+static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
+{
+ u32 val, val2, val3, val4, id;
+
+ /* Get the chip revision id and number. */
+ /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
+ val = REG_RD(bp, MISC_REG_CHIP_NUM);
+ id = ((val & 0xffff) << 16);
+ val = REG_RD(bp, MISC_REG_CHIP_REV);
+ id |= ((val & 0xf) << 12);
+ val = REG_RD(bp, MISC_REG_CHIP_METAL);
+ id |= ((val & 0xff) << 4);
+ REG_RD(bp, MISC_REG_BOND_ID);
+ id |= (val & 0xf);
+ bp->common.chip_id = id;
+ bp->link_params.chip_id = bp->common.chip_id;
+ BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
+
+ val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
+ bp->common.flash_size = (NVRAM_1MB_SIZE <<
+ (val & MCPR_NVM_CFG4_FLASH_SIZE));
+ BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
+ bp->common.flash_size, bp->common.flash_size);
+
+ bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
+ bp->link_params.shmem_base = bp->common.shmem_base;
+ BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
+
+ if (!bp->common.shmem_base ||
+ (bp->common.shmem_base < 0xA0000) ||
+ (bp->common.shmem_base >= 0xC0000)) {
+ BNX2X_DEV_INFO("MCP not active\n");
+ bp->flags |= NO_MCP_FLAG;
+ return;
+ }
+
+ val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
+ if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
+ != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
+ BNX2X_ERR("BAD MCP validity signature\n");
+
+ bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
+ bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);
+
+ BNX2X_DEV_INFO("hw_config 0x%08x board 0x%08x\n",
+ bp->common.hw_config, bp->common.board);
+
+ bp->link_params.hw_led_mode = ((bp->common.hw_config &
+ SHARED_HW_CFG_LED_MODE_MASK) >>
+ SHARED_HW_CFG_LED_MODE_SHIFT);
+
+ val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
+ bp->common.bc_ver = val;
+ BNX2X_DEV_INFO("bc_ver %X\n", val);
+ if (val < BNX2X_BC_VER) {
+ /* for now only warn
+ * later we might need to enforce this */
+ BNX2X_ERR("This driver needs bc_ver %X but found %X,"
+ " please upgrade BC\n", BNX2X_BC_VER, val);
+ }
+ BNX2X_DEV_INFO("%sWoL Capable\n",
+ (bp->flags & NO_WOL_FLAG)? "Not " : "");
+
+ val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
+ val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
+ val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
+ val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
+
+ printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
+ val, val2, val3, val4);
+}
+
+static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
+ u32 switch_cfg)
+{
+ int port = BP_PORT(bp);
+ u32 ext_phy_type;
+
+ switch (switch_cfg) {
+ case SWITCH_CFG_1G:
+ BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
+
+ ext_phy_type =
+ SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
+ switch (ext_phy_type) {
+ case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
+ BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
+ ext_phy_type);
+
+ bp->port.supported |= (SUPPORTED_10baseT_Half |
+ SUPPORTED_10baseT_Full |
+ SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_2500baseX_Full |
+ SUPPORTED_TP |
+ SUPPORTED_FIBRE |
+ SUPPORTED_Autoneg |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause);
+ break;
+
+ case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
+ BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
+ ext_phy_type);
+
+ bp->port.supported |= (SUPPORTED_10baseT_Half |
+ SUPPORTED_10baseT_Full |
+ SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_TP |
+ SUPPORTED_FIBRE |
+ SUPPORTED_Autoneg |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause);
+ break;
+
+ default:
+ BNX2X_ERR("NVRAM config error. "
+ "BAD SerDes ext_phy_config 0x%x\n",
+ bp->link_params.ext_phy_config);
+ return;
+ }
+
+ bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
+ port*0x10);
+ BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
+ break;
+
+ case SWITCH_CFG_10G:
+ BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
+
+ ext_phy_type =
+ XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
+ switch (ext_phy_type) {
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
+ BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
+ ext_phy_type);
+
+ bp->port.supported |= (SUPPORTED_10baseT_Half |
+ SUPPORTED_10baseT_Full |
+ SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_2500baseX_Full |
+ SUPPORTED_10000baseT_Full |
+ SUPPORTED_TP |
+ SUPPORTED_FIBRE |
+ SUPPORTED_Autoneg |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause);
+ break;
+
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
+ BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
+ ext_phy_type);
+
+ bp->port.supported |= (SUPPORTED_10000baseT_Full |
+ SUPPORTED_FIBRE |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause);
+ break;
+
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
+ BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
+ ext_phy_type);
+
+ bp->port.supported |= (SUPPORTED_10000baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_FIBRE |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause);
+ break;
+
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
+ BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
+ ext_phy_type);
+
+ bp->port.supported |= (SUPPORTED_10000baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_FIBRE |
+ SUPPORTED_Autoneg |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause);
+ break;
+
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
+ BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
+ ext_phy_type);
+
+ bp->port.supported |= (SUPPORTED_10000baseT_Full |
+ SUPPORTED_2500baseX_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_FIBRE |
+ SUPPORTED_Autoneg |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause);
+ break;
+
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
+ BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
+ ext_phy_type);
+
+ bp->port.supported |= (SUPPORTED_10000baseT_Full |
+ SUPPORTED_TP |
+ SUPPORTED_Autoneg |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause);
+ break;
+
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
+ BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
+ bp->link_params.ext_phy_config);
+ break;
+
+ default:
+ BNX2X_ERR("NVRAM config error. "
+ "BAD XGXS ext_phy_config 0x%x\n",
+ bp->link_params.ext_phy_config);
+ return;
+ }
+
+ bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
+ port*0x18);
+ BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
+
+ break;
+
+ default:
+ BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
+ bp->port.link_config);
+ return;
+ }
+ bp->link_params.phy_addr = bp->port.phy_addr;
+
+ /* mask what we support according to speed_cap_mask */
+ if (!(bp->link_params.speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
+ bp->port.supported &= ~SUPPORTED_10baseT_Half;
+
+ if (!(bp->link_params.speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
+ bp->port.supported &= ~SUPPORTED_10baseT_Full;
+
+ if (!(bp->link_params.speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
+ bp->port.supported &= ~SUPPORTED_100baseT_Half;
+
+ if (!(bp->link_params.speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
+ bp->port.supported &= ~SUPPORTED_100baseT_Full;
+
+ if (!(bp->link_params.speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
+ bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
+ SUPPORTED_1000baseT_Full);
+
+ if (!(bp->link_params.speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
+ bp->port.supported &= ~SUPPORTED_2500baseX_Full;
+
+ if (!(bp->link_params.speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
+ bp->port.supported &= ~SUPPORTED_10000baseT_Full;
+
+ BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
+}
+
+static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
+{
+ bp->link_params.req_duplex = DUPLEX_FULL;
+
+ switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
+ case PORT_FEATURE_LINK_SPEED_AUTO:
+ if (bp->port.supported & SUPPORTED_Autoneg) {
+ bp->link_params.req_line_speed = SPEED_AUTO_NEG;
+ bp->port.advertising = bp->port.supported;
+ } else {
+ u32 ext_phy_type =
+ XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
+
+ if ((ext_phy_type ==
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
+ (ext_phy_type ==
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
+ /* force 10G, no AN */
+ bp->link_params.req_line_speed = SPEED_10000;
+ bp->port.advertising =
+ (ADVERTISED_10000baseT_Full |
+ ADVERTISED_FIBRE);
+ break;
+ }
+ BNX2X_ERR("NVRAM config error. "
+ "Invalid link_config 0x%x"
+ " Autoneg not supported\n",
+ bp->port.link_config);
+ return;
+ }
+ break;
+
+ case PORT_FEATURE_LINK_SPEED_10M_FULL:
+ if (bp->port.supported & SUPPORTED_10baseT_Full) {
+ bp->link_params.req_line_speed = SPEED_10;
+ bp->port.advertising = (ADVERTISED_10baseT_Full |
+ ADVERTISED_TP);
+ } else {
+ BNX2X_ERR("NVRAM config error. "
+ "Invalid link_config 0x%x"
+ " speed_cap_mask 0x%x\n",
+ bp->port.link_config,
+ bp->link_params.speed_cap_mask);
+ return;
+ }
+ break;
+
+ case PORT_FEATURE_LINK_SPEED_10M_HALF:
+ if (bp->port.supported & SUPPORTED_10baseT_Half) {
+ bp->link_params.req_line_speed = SPEED_10;
+ bp->link_params.req_duplex = DUPLEX_HALF;
+ bp->port.advertising = (ADVERTISED_10baseT_Half |
+ ADVERTISED_TP);
+ } else {
+ BNX2X_ERR("NVRAM config error. "
+ "Invalid link_config 0x%x"
+ " speed_cap_mask 0x%x\n",
+ bp->port.link_config,
+ bp->link_params.speed_cap_mask);
+ return;
+ }
+ break;
+
+ case PORT_FEATURE_LINK_SPEED_100M_FULL:
+ if (bp->port.supported & SUPPORTED_100baseT_Full) {
+ bp->link_params.req_line_speed = SPEED_100;
+ bp->port.advertising = (ADVERTISED_100baseT_Full |
+ ADVERTISED_TP);
+ } else {
+ BNX2X_ERR("NVRAM config error. "
+ "Invalid link_config 0x%x"
+ " speed_cap_mask 0x%x\n",
+ bp->port.link_config,
+ bp->link_params.speed_cap_mask);
+ return;
+ }
+ break;
+
+ case PORT_FEATURE_LINK_SPEED_100M_HALF:
+ if (bp->port.supported & SUPPORTED_100baseT_Half) {
+ bp->link_params.req_line_speed = SPEED_100;
+ bp->link_params.req_duplex = DUPLEX_HALF;
+ bp->port.advertising = (ADVERTISED_100baseT_Half |
+ ADVERTISED_TP);
+ } else {
+ BNX2X_ERR("NVRAM config error. "
+ "Invalid link_config 0x%x"
+ " speed_cap_mask 0x%x\n",
+ bp->port.link_config,
+ bp->link_params.speed_cap_mask);
+ return;
+ }
+ break;
+
+ case PORT_FEATURE_LINK_SPEED_1G:
+ if (bp->port.supported & SUPPORTED_1000baseT_Full) {
+ bp->link_params.req_line_speed = SPEED_1000;
+ bp->port.advertising = (ADVERTISED_1000baseT_Full |
+ ADVERTISED_TP);
+ } else {
+ BNX2X_ERR("NVRAM config error. "
+ "Invalid link_config 0x%x"
+ " speed_cap_mask 0x%x\n",
+ bp->port.link_config,
+ bp->link_params.speed_cap_mask);
+ return;
+ }
+ break;
+
+ case PORT_FEATURE_LINK_SPEED_2_5G:
+ if (bp->port.supported & SUPPORTED_2500baseX_Full) {
+ bp->link_params.req_line_speed = SPEED_2500;
+ bp->port.advertising = (ADVERTISED_2500baseX_Full |
+ ADVERTISED_TP);
+ } else {
+ BNX2X_ERR("NVRAM config error. "
+ "Invalid link_config 0x%x"
+ " speed_cap_mask 0x%x\n",
+ bp->port.link_config,
+ bp->link_params.speed_cap_mask);
+ return;
+ }
+ break;
+
+ case PORT_FEATURE_LINK_SPEED_10G_CX4:
+ case PORT_FEATURE_LINK_SPEED_10G_KX4:
+ case PORT_FEATURE_LINK_SPEED_10G_KR:
+ if (bp->port.supported & SUPPORTED_10000baseT_Full) {
+ bp->link_params.req_line_speed = SPEED_10000;
+ bp->port.advertising = (ADVERTISED_10000baseT_Full |
+ ADVERTISED_FIBRE);
+ } else {
+ BNX2X_ERR("NVRAM config error. "
+ "Invalid link_config 0x%x"
+ " speed_cap_mask 0x%x\n",
+ bp->port.link_config,
+ bp->link_params.speed_cap_mask);
+ return;
+ }
+ break;
+
+ default:
+ BNX2X_ERR("NVRAM config error. "
+ "BAD link speed link_config 0x%x\n",
+ bp->port.link_config);
+ bp->link_params.req_line_speed = SPEED_AUTO_NEG;
+ bp->port.advertising = bp->port.supported;
+ break;
+ }
+
+ bp->link_params.req_flow_ctrl = (bp->port.link_config &
+ PORT_FEATURE_FLOW_CONTROL_MASK);
+ if ((bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
+ (!bp->port.supported & SUPPORTED_Autoneg))
+ bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
+
+ BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x"
+ " advertising 0x%x\n",
+ bp->link_params.req_line_speed,
+ bp->link_params.req_duplex,
+ bp->link_params.req_flow_ctrl, bp->port.advertising);
+}
+
+static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
+{
+ int port = BP_PORT(bp);
+ u32 val, val2;
+
+ bp->link_params.bp = bp;
+ bp->link_params.port = port;
+
+ bp->link_params.serdes_config =
+ SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
+ bp->link_params.lane_config =
+ SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
+ bp->link_params.ext_phy_config =
+ SHMEM_RD(bp,
+ dev_info.port_hw_config[port].external_phy_config);
+ bp->link_params.speed_cap_mask =
+ SHMEM_RD(bp,
+ dev_info.port_hw_config[port].speed_capability_mask);
+
+ bp->port.link_config =
+ SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
+
+ BNX2X_DEV_INFO("serdes_config 0x%08x lane_config 0x%08x\n"
+ KERN_INFO " ext_phy_config 0x%08x speed_cap_mask 0x%08x"
+ " link_config 0x%08x\n",
+ bp->link_params.serdes_config,
+ bp->link_params.lane_config,
+ bp->link_params.ext_phy_config,
+ bp->link_params.speed_cap_mask, bp->port.link_config);
+
+ bp->link_params.switch_cfg = (bp->port.link_config &
+ PORT_FEATURE_CONNECTED_SWITCH_MASK);
+ bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
+
+ bnx2x_link_settings_requested(bp);
+
+ val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
+ val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
+ bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
+ bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
+ bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
+ bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
+ bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
+ bp->dev->dev_addr[5] = (u8)(val & 0xff);
+ memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
+ memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
+}
+
+static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
+{
+ int func = BP_FUNC(bp);
+ u32 val, val2;
+ int rc = 0;
+
+ bnx2x_get_common_hwinfo(bp);
+
+ bp->e1hov = 0;
+ bp->e1hmf = 0;
+ if (CHIP_IS_E1H(bp)) {
+ bp->mf_config =
+ SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
+
+ val =
+ (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
+ FUNC_MF_CFG_E1HOV_TAG_MASK);
+ if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
+
+ bp->e1hov = val;
+ bp->e1hmf = 1;
+ BNX2X_DEV_INFO("MF mode E1HOV for func %d is %d "
+ "(0x%04x)\n",
+ func, bp->e1hov, bp->e1hov);
+ } else {
+ BNX2X_DEV_INFO("Single function mode\n");
+ if (BP_E1HVN(bp)) {
+ BNX2X_ERR("!!! No valid E1HOV for func %d,"
+ " aborting\n", func);
+ rc = -EPERM;
+ }
+ }
+ }
+
+ if (!BP_NOMCP(bp)) {
+ bnx2x_get_port_hwinfo(bp);
+
+ bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
+ DRV_MSG_SEQ_NUMBER_MASK);
+ BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
+ }
+
+ if (IS_E1HMF(bp)) {
+ val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
+ val = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_lower);
+ if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
+ (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
+ bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
+ bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
+ bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
+ bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
+ bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
+ bp->dev->dev_addr[5] = (u8)(val & 0xff);
+ memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
+ ETH_ALEN);
+ memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
+ ETH_ALEN);
+ }
+
+ return rc;
+ }
+
+ if (BP_NOMCP(bp)) {
+ /* only supposed to happen on emulation/FPGA */
+ BNX2X_ERR("warning rendom MAC workaround active\n");
+ random_ether_addr(bp->dev->dev_addr);
+ memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
+ }
+
+ return rc;
+}
+
+static int __devinit bnx2x_init_bp(struct bnx2x *bp)
+{
+ int func = BP_FUNC(bp);
+ int rc;
+
+ if (nomcp)
+ bp->flags |= NO_MCP_FLAG;
+
+ mutex_init(&bp->port.phy_mutex);
+
+ INIT_WORK(&bp->sp_task, bnx2x_sp_task);
+ INIT_WORK(&bp->reset_task, bnx2x_reset_task);
+
+ rc = bnx2x_get_hwinfo(bp);
+
+ /* need to reset chip if undi was active */
+ if (!BP_NOMCP(bp))
+ bnx2x_undi_unload(bp);
+
+ if (CHIP_REV_IS_FPGA(bp))
+ printk(KERN_ERR PFX "FPGA detected\n");
+
+ if (BP_NOMCP(bp) && (func == 0))
+ printk(KERN_ERR PFX
+ "MCP disabled, must load devices in order!\n");
+
+ /* Set TPA flags */
+ if (disable_tpa) {
+ bp->flags &= ~TPA_ENABLE_FLAG;
+ bp->dev->features &= ~NETIF_F_LRO;
+ } else {
+ bp->flags |= TPA_ENABLE_FLAG;
+ bp->dev->features |= NETIF_F_LRO;
+ }
+
+
+ bp->tx_ring_size = MAX_TX_AVAIL;
+ bp->rx_ring_size = MAX_RX_AVAIL;
+
+ bp->rx_csum = 1;
+ bp->rx_offset = 0;
+
+ bp->tx_ticks = 50;
+ bp->rx_ticks = 25;
+
+ bp->stats_ticks = 1000000 & 0xffff00;
+
+ bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
+ bp->current_interval = (poll ? poll : bp->timer_interval);
+
+ init_timer(&bp->timer);
+ bp->timer.expires = jiffies + bp->current_interval;
+ bp->timer.data = (unsigned long) bp;
+ bp->timer.function = bnx2x_timer;
+
+ return rc;
+}
+
+/*
+ * ethtool service functions
+ */
+
+/* All ethtool functions called with rtnl_lock */
+
+static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ cmd->supported = bp->port.supported;
+ cmd->advertising = bp->port.advertising;
+
+ if (netif_carrier_ok(dev)) {
+ cmd->speed = bp->link_vars.line_speed;
+ cmd->duplex = bp->link_vars.duplex;
+ } else {
+ cmd->speed = bp->link_params.req_line_speed;
+ cmd->duplex = bp->link_params.req_duplex;
+ }
+ if (IS_E1HMF(bp)) {
+ u16 vn_max_rate;
+
+ vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
+ FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
+ if (vn_max_rate < cmd->speed)
+ cmd->speed = vn_max_rate;
+ }
+
+ if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
+ u32 ext_phy_type =
+ XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
+
+ switch (ext_phy_type) {
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
+ cmd->port = PORT_FIBRE;
+ break;
+
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
+ cmd->port = PORT_TP;
+ break;
+
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
+ BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
+ bp->link_params.ext_phy_config);
+ break;
+
+ default:
+ DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
+ bp->link_params.ext_phy_config);
+ break;
+ }
+ } else
+ cmd->port = PORT_TP;
+
+ cmd->phy_address = bp->port.phy_addr;
+ cmd->transceiver = XCVR_INTERNAL;
+
+ if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
+ cmd->autoneg = AUTONEG_ENABLE;
+ else
+ cmd->autoneg = AUTONEG_DISABLE;
+
+ cmd->maxtxpkt = 0;
+ cmd->maxrxpkt = 0;
+
+ DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
+ DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
+ DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
+ DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
+ cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
+ cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
+ cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
+
+ return 0;
+}
+
+static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+ u32 advertising;
+
+ if (IS_E1HMF(bp))
+ return 0;
+
+ DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
+ DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
+ DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
+ DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
+ cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
+ cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
+ cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
+
+ if (cmd->autoneg == AUTONEG_ENABLE) {
+ if (!(bp->port.supported & SUPPORTED_Autoneg)) {
+ DP(NETIF_MSG_LINK, "Autoneg not supported\n");
+ return -EINVAL;
+ }
+
+ /* advertise the requested speed and duplex if supported */
+ cmd->advertising &= bp->port.supported;
+
+ bp->link_params.req_line_speed = SPEED_AUTO_NEG;
+ bp->link_params.req_duplex = DUPLEX_FULL;
+ bp->port.advertising |= (ADVERTISED_Autoneg |
+ cmd->advertising);
+
+ } else { /* forced speed */
+ /* advertise the requested speed and duplex if supported */
+ switch (cmd->speed) {
+ case SPEED_10:
+ if (cmd->duplex == DUPLEX_FULL) {
+ if (!(bp->port.supported &
+ SUPPORTED_10baseT_Full)) {
+ DP(NETIF_MSG_LINK,
+ "10M full not supported\n");
+ return -EINVAL;
+ }
+
+ advertising = (ADVERTISED_10baseT_Full |
+ ADVERTISED_TP);
+ } else {
+ if (!(bp->port.supported &
+ SUPPORTED_10baseT_Half)) {
+ DP(NETIF_MSG_LINK,
+ "10M half not supported\n");
+ return -EINVAL;
+ }
+
+ advertising = (ADVERTISED_10baseT_Half |
+ ADVERTISED_TP);
+ }
+ break;
+
+ case SPEED_100:
+ if (cmd->duplex == DUPLEX_FULL) {
+ if (!(bp->port.supported &
+ SUPPORTED_100baseT_Full)) {
+ DP(NETIF_MSG_LINK,
+ "100M full not supported\n");
+ return -EINVAL;
+ }
+
+ advertising = (ADVERTISED_100baseT_Full |
+ ADVERTISED_TP);
+ } else {
+ if (!(bp->port.supported &
+ SUPPORTED_100baseT_Half)) {
+ DP(NETIF_MSG_LINK,
+ "100M half not supported\n");
+ return -EINVAL;
+ }
+
+ advertising = (ADVERTISED_100baseT_Half |
+ ADVERTISED_TP);
+ }
+ break;
+
+ case SPEED_1000:
+ if (cmd->duplex != DUPLEX_FULL) {
+ DP(NETIF_MSG_LINK, "1G half not supported\n");
+ return -EINVAL;
+ }
+
+ if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
+ DP(NETIF_MSG_LINK, "1G full not supported\n");
+ return -EINVAL;
+ }
+
+ advertising = (ADVERTISED_1000baseT_Full |
+ ADVERTISED_TP);
+ break;
+
+ case SPEED_2500:
+ if (cmd->duplex != DUPLEX_FULL) {
+ DP(NETIF_MSG_LINK,
+ "2.5G half not supported\n");
+ return -EINVAL;
+ }
+
+ if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
+ DP(NETIF_MSG_LINK,
+ "2.5G full not supported\n");
+ return -EINVAL;
+ }
+
+ advertising = (ADVERTISED_2500baseX_Full |
+ ADVERTISED_TP);
+ break;
+
+ case SPEED_10000:
+ if (cmd->duplex != DUPLEX_FULL) {
+ DP(NETIF_MSG_LINK, "10G half not supported\n");
+ return -EINVAL;
+ }
+
+ if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
+ DP(NETIF_MSG_LINK, "10G full not supported\n");
+ return -EINVAL;
+ }
+
+ advertising = (ADVERTISED_10000baseT_Full |
+ ADVERTISED_FIBRE);
+ break;
+
+ default:
+ DP(NETIF_MSG_LINK, "Unsupported speed\n");
+ return -EINVAL;
+ }
+
+ bp->link_params.req_line_speed = cmd->speed;
+ bp->link_params.req_duplex = cmd->duplex;
+ bp->port.advertising = advertising;
+ }
+
+ DP(NETIF_MSG_LINK, "req_line_speed %d\n"
+ DP_LEVEL " req_duplex %d advertising 0x%x\n",
+ bp->link_params.req_line_speed, bp->link_params.req_duplex,
+ bp->port.advertising);
+
+ if (netif_running(dev)) {
+ bnx2x_stats_handle(bp, STATS_EVENT_STOP);
+ bnx2x_link_set(bp);
+ }
+
+ return 0;
+}
+
+#define PHY_FW_VER_LEN 10
+
+static void bnx2x_get_drvinfo(struct net_device *dev,
+ struct ethtool_drvinfo *info)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+ char phy_fw_ver[PHY_FW_VER_LEN];
+
+ strcpy(info->driver, DRV_MODULE_NAME);
+ strcpy(info->version, DRV_MODULE_VERSION);
+
+ phy_fw_ver[0] = '\0';
+ if (bp->port.pmf) {
+ bnx2x_phy_hw_lock(bp);
+ bnx2x_get_ext_phy_fw_version(&bp->link_params,
+ (bp->state != BNX2X_STATE_CLOSED),
+ phy_fw_ver, PHY_FW_VER_LEN);
+ bnx2x_phy_hw_unlock(bp);
+ }
+
+ snprintf(info->fw_version, 32, "%d.%d.%d:%d BC:%x%s%s",
+ BCM_5710_FW_MAJOR_VERSION, BCM_5710_FW_MINOR_VERSION,
+ BCM_5710_FW_REVISION_VERSION,
+ BCM_5710_FW_COMPILE_FLAGS, bp->common.bc_ver,
+ ((phy_fw_ver[0] != '\0')? " PHY:":""), phy_fw_ver);
+ strcpy(info->bus_info, pci_name(bp->pdev));
+ info->n_stats = BNX2X_NUM_STATS;
+ info->testinfo_len = BNX2X_NUM_TESTS;
+ info->eedump_len = bp->common.flash_size;
+ info->regdump_len = 0;
+}
+
+static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ if (bp->flags & NO_WOL_FLAG) {
+ wol->supported = 0;
+ wol->wolopts = 0;
+ } else {
+ wol->supported = WAKE_MAGIC;
+ if (bp->wol)
+ wol->wolopts = WAKE_MAGIC;
+ else
+ wol->wolopts = 0;
+ }
+ memset(&wol->sopass, 0, sizeof(wol->sopass));
+}
+
+static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ if (wol->wolopts & ~WAKE_MAGIC)
+ return -EINVAL;
+
+ if (wol->wolopts & WAKE_MAGIC) {
+ if (bp->flags & NO_WOL_FLAG)
+ return -EINVAL;
+
+ bp->wol = 1;
+ } else
+ bp->wol = 0;
+
+ return 0;
+}
+
+static u32 bnx2x_get_msglevel(struct net_device *dev)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ return bp->msglevel;
+}
+
+static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ if (capable(CAP_NET_ADMIN))
+ bp->msglevel = level;
+}
+
+static int bnx2x_nway_reset(struct net_device *dev)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ if (!bp->port.pmf)
+ return 0;
+
+ if (netif_running(dev)) {
+ bnx2x_stats_handle(bp, STATS_EVENT_STOP);
+ bnx2x_link_set(bp);
+ }
+
+ return 0;
+}
+
+static int bnx2x_get_eeprom_len(struct net_device *dev)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ return bp->common.flash_size;
+}
+
+static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
+{
+ int port = BP_PORT(bp);
+ int count, i;
+ u32 val = 0;
+
+ /* adjust timeout for emulation/FPGA */
+ count = NVRAM_TIMEOUT_COUNT;
+ if (CHIP_REV_IS_SLOW(bp))
+ count *= 100;
+
+ /* request access to nvram interface */
+ REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
+ (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
+
+ for (i = 0; i < count*10; i++) {
+ val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
+ if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
+ break;
+
+ udelay(5);
+ }
+
+ if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
+ DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
+ return -EBUSY;
+ }
+
+ return 0;
+}
+
+static int bnx2x_release_nvram_lock(struct bnx2x *bp)
+{
+ int port = BP_PORT(bp);
+ int count, i;
+ u32 val = 0;
+
+ /* adjust timeout for emulation/FPGA */
+ count = NVRAM_TIMEOUT_COUNT;
+ if (CHIP_REV_IS_SLOW(bp))
+ count *= 100;
+
+ /* relinquish nvram interface */
+ REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
+ (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
+
+ for (i = 0; i < count*10; i++) {
+ val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
+ if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
+ break;
+
+ udelay(5);
+ }
+
+ if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
+ DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
+ return -EBUSY;
+ }
+
+ return 0;
+}
+
+static void bnx2x_enable_nvram_access(struct bnx2x *bp)
+{
+ u32 val;
+
+ val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
+
+ /* enable both bits, even on read */
+ REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
+ (val | MCPR_NVM_ACCESS_ENABLE_EN |
+ MCPR_NVM_ACCESS_ENABLE_WR_EN));
+}
+
+static void bnx2x_disable_nvram_access(struct bnx2x *bp)
+{
+ u32 val;
+
+ val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
+
+ /* disable both bits, even after read */
+ REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
+ (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
+ MCPR_NVM_ACCESS_ENABLE_WR_EN)));
+}
+
+static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
+ u32 cmd_flags)
+{
+ int count, i, rc;
+ u32 val;
+
+ /* build the command word */
+ cmd_flags |= MCPR_NVM_COMMAND_DOIT;
+
+ /* need to clear DONE bit separately */
+ REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
+
+ /* address of the NVRAM to read from */
+ REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
+ (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
+
+ /* issue a read command */
+ REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
+
+ /* adjust timeout for emulation/FPGA */
+ count = NVRAM_TIMEOUT_COUNT;
+ if (CHIP_REV_IS_SLOW(bp))
+ count *= 100;
+
+ /* wait for completion */
+ *ret_val = 0;
+ rc = -EBUSY;
+ for (i = 0; i < count; i++) {
+ udelay(5);
+ val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
+
+ if (val & MCPR_NVM_COMMAND_DONE) {
+ val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
+ /* we read nvram data in cpu order
+ * but ethtool sees it as an array of bytes
+ * converting to big-endian will do the work */
+ val = cpu_to_be32(val);
+ *ret_val = val;
+ rc = 0;
+ break;
+ }
+ }
+
+ return rc;
+}
+
+static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
+ int buf_size)
+{
+ int rc;
+ u32 cmd_flags;
+ u32 val;
+
+ if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
+ DP(BNX2X_MSG_NVM,
+ "Invalid parameter: offset 0x%x buf_size 0x%x\n",
+ offset, buf_size);
+ return -EINVAL;
+ }
+
+ if (offset + buf_size > bp->common.flash_size) {
+ DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
+ " buf_size (0x%x) > flash_size (0x%x)\n",
+ offset, buf_size, bp->common.flash_size);
+ return -EINVAL;
+ }
+
+ /* request access to nvram interface */
+ rc = bnx2x_acquire_nvram_lock(bp);
+ if (rc)
+ return rc;
+
+ /* enable access to nvram interface */
+ bnx2x_enable_nvram_access(bp);
+
+ /* read the first word(s) */
+ cmd_flags = MCPR_NVM_COMMAND_FIRST;
+ while ((buf_size > sizeof(u32)) && (rc == 0)) {
+ rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
+ memcpy(ret_buf, &val, 4);
+
+ /* advance to the next dword */
+ offset += sizeof(u32);
+ ret_buf += sizeof(u32);
+ buf_size -= sizeof(u32);
+ cmd_flags = 0;
+ }
+
+ if (rc == 0) {
+ cmd_flags |= MCPR_NVM_COMMAND_LAST;
+ rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
+ memcpy(ret_buf, &val, 4);
+ }
+
+ /* disable access to nvram interface */
+ bnx2x_disable_nvram_access(bp);
+ bnx2x_release_nvram_lock(bp);
+
+ return rc;
+}
+
+static int bnx2x_get_eeprom(struct net_device *dev,
+ struct ethtool_eeprom *eeprom, u8 *eebuf)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+ int rc;
+
+ DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
+ DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
+ eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
+ eeprom->len, eeprom->len);
+
+ /* parameters already validated in ethtool_get_eeprom */
+
+ rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
+
+ return rc;
+}
+
+static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
+ u32 cmd_flags)
+{
+ int count, i, rc;
+
+ /* build the command word */
+ cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
+
+ /* need to clear DONE bit separately */
+ REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
+
+ /* write the data */
+ REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
+
+ /* address of the NVRAM to write to */
+ REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
+ (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
+
+ /* issue the write command */
+ REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
+
+ /* adjust timeout for emulation/FPGA */
+ count = NVRAM_TIMEOUT_COUNT;
+ if (CHIP_REV_IS_SLOW(bp))
+ count *= 100;
+
+ /* wait for completion */
+ rc = -EBUSY;
+ for (i = 0; i < count; i++) {
+ udelay(5);
+ val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
+ if (val & MCPR_NVM_COMMAND_DONE) {
+ rc = 0;
+ break;
+ }
+ }
+
+ return rc;
+}
+
+#define BYTE_OFFSET(offset) (8 * (offset & 0x03))
+
+static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
+ int buf_size)
+{
+ int rc;
+ u32 cmd_flags;
+ u32 align_offset;
+ u32 val;
+
+ if (offset + buf_size > bp->common.flash_size) {
+ DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
+ " buf_size (0x%x) > flash_size (0x%x)\n",
+ offset, buf_size, bp->common.flash_size);
+ return -EINVAL;
+ }
+
+ /* request access to nvram interface */
+ rc = bnx2x_acquire_nvram_lock(bp);
+ if (rc)
+ return rc;
+
+ /* enable access to nvram interface */
+ bnx2x_enable_nvram_access(bp);
+
+ cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
+ align_offset = (offset & ~0x03);
+ rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
+
+ if (rc == 0) {
+ val &= ~(0xff << BYTE_OFFSET(offset));
+ val |= (*data_buf << BYTE_OFFSET(offset));
+
+ /* nvram data is returned as an array of bytes
+ * convert it back to cpu order */
+ val = be32_to_cpu(val);
+
+ rc = bnx2x_nvram_write_dword(bp, align_offset, val,
+ cmd_flags);
+ }
+
+ /* disable access to nvram interface */
+ bnx2x_disable_nvram_access(bp);
+ bnx2x_release_nvram_lock(bp);
+
+ return rc;
+}
+
+static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
+ int buf_size)
+{
+ int rc;
+ u32 cmd_flags;
+ u32 val;
+ u32 written_so_far;
+
+ if (buf_size == 1) /* ethtool */
+ return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
+
+ if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
+ DP(BNX2X_MSG_NVM,
+ "Invalid parameter: offset 0x%x buf_size 0x%x\n",
+ offset, buf_size);
+ return -EINVAL;
+ }
+
+ if (offset + buf_size > bp->common.flash_size) {
+ DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
+ " buf_size (0x%x) > flash_size (0x%x)\n",
+ offset, buf_size, bp->common.flash_size);
+ return -EINVAL;
+ }
+
+ /* request access to nvram interface */
+ rc = bnx2x_acquire_nvram_lock(bp);
+ if (rc)
+ return rc;
+
+ /* enable access to nvram interface */
+ bnx2x_enable_nvram_access(bp);
+
+ written_so_far = 0;
+ cmd_flags = MCPR_NVM_COMMAND_FIRST;
+ while ((written_so_far < buf_size) && (rc == 0)) {
+ if (written_so_far == (buf_size - sizeof(u32)))
+ cmd_flags |= MCPR_NVM_COMMAND_LAST;
+ else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
+ cmd_flags |= MCPR_NVM_COMMAND_LAST;
+ else if ((offset % NVRAM_PAGE_SIZE) == 0)
+ cmd_flags |= MCPR_NVM_COMMAND_FIRST;
+
+ memcpy(&val, data_buf, 4);
+
+ rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
+
+ /* advance to the next dword */
+ offset += sizeof(u32);
+ data_buf += sizeof(u32);
+ written_so_far += sizeof(u32);
+ cmd_flags = 0;
+ }
+
+ /* disable access to nvram interface */
+ bnx2x_disable_nvram_access(bp);
+ bnx2x_release_nvram_lock(bp);
+
+ return rc;
+}
+
+static int bnx2x_set_eeprom(struct net_device *dev,
+ struct ethtool_eeprom *eeprom, u8 *eebuf)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+ int rc;
+
+ DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
+ DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
+ eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
+ eeprom->len, eeprom->len);
+
+ /* parameters already validated in ethtool_set_eeprom */
+
+ /* If the magic number is PHY (0x00504859) upgrade the PHY FW */
+ if (eeprom->magic == 0x00504859)
+ if (bp->port.pmf) {
+
+ bnx2x_phy_hw_lock(bp);
+ rc = bnx2x_flash_download(bp, BP_PORT(bp),
+ bp->link_params.ext_phy_config,
+ (bp->state != BNX2X_STATE_CLOSED),
+ eebuf, eeprom->len);
+ if ((bp->state == BNX2X_STATE_OPEN) ||
+ (bp->state == BNX2X_STATE_DISABLED)) {
+ rc |= bnx2x_link_reset(&bp->link_params,
+ &bp->link_vars);
+ rc |= bnx2x_phy_init(&bp->link_params,
+ &bp->link_vars);
+ }
+ bnx2x_phy_hw_unlock(bp);
+
+ } else /* Only the PMF can access the PHY */
+ return -EINVAL;
+ else
+ rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
+
+ return rc;
+}
+
+static int bnx2x_get_coalesce(struct net_device *dev,
+ struct ethtool_coalesce *coal)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ memset(coal, 0, sizeof(struct ethtool_coalesce));
+
+ coal->rx_coalesce_usecs = bp->rx_ticks;
+ coal->tx_coalesce_usecs = bp->tx_ticks;
+ coal->stats_block_coalesce_usecs = bp->stats_ticks;
+
+ return 0;
+}
+
+static int bnx2x_set_coalesce(struct net_device *dev,
+ struct ethtool_coalesce *coal)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
+ if (bp->rx_ticks > 3000)
+ bp->rx_ticks = 3000;
+
+ bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
+ if (bp->tx_ticks > 0x3000)
+ bp->tx_ticks = 0x3000;
+
+ bp->stats_ticks = coal->stats_block_coalesce_usecs;
+ if (bp->stats_ticks > 0xffff00)
+ bp->stats_ticks = 0xffff00;
+ bp->stats_ticks &= 0xffff00;
+
+ if (netif_running(dev))
+ bnx2x_update_coalesce(bp);
+
+ return 0;
+}
+
+static int bnx2x_set_flags(struct net_device *dev, u32 data)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+ int changed = 0;
+ int rc = 0;
+
+ if (data & ETH_FLAG_LRO) {
+ if (!(dev->features & NETIF_F_LRO)) {
+ dev->features |= NETIF_F_LRO;
+ bp->flags |= TPA_ENABLE_FLAG;
+ changed = 1;
+ }
+
+ } else if (dev->features & NETIF_F_LRO) {
+ dev->features &= ~NETIF_F_LRO;
+ bp->flags &= ~TPA_ENABLE_FLAG;
+ changed = 1;
+ }
+
+ if (changed && netif_running(dev)) {
+ bnx2x_nic_unload(bp, UNLOAD_NORMAL);
+ rc = bnx2x_nic_load(bp, LOAD_NORMAL);
+ }
+
+ return rc;
+}
+
+static void bnx2x_get_ringparam(struct net_device *dev,
+ struct ethtool_ringparam *ering)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ ering->rx_max_pending = MAX_RX_AVAIL;
+ ering->rx_mini_max_pending = 0;
+ ering->rx_jumbo_max_pending = 0;
+
+ ering->rx_pending = bp->rx_ring_size;
+ ering->rx_mini_pending = 0;
+ ering->rx_jumbo_pending = 0;
+
+ ering->tx_max_pending = MAX_TX_AVAIL;
+ ering->tx_pending = bp->tx_ring_size;
+}
+
+static int bnx2x_set_ringparam(struct net_device *dev,
+ struct ethtool_ringparam *ering)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+ int rc = 0;
+
+ if ((ering->rx_pending > MAX_RX_AVAIL) ||
+ (ering->tx_pending > MAX_TX_AVAIL) ||
+ (ering->tx_pending <= MAX_SKB_FRAGS + 4))
+ return -EINVAL;
+
+ bp->rx_ring_size = ering->rx_pending;
+ bp->tx_ring_size = ering->tx_pending;
+
+ if (netif_running(dev)) {
+ bnx2x_nic_unload(bp, UNLOAD_NORMAL);
+ rc = bnx2x_nic_load(bp, LOAD_NORMAL);
+ }
+
+ return rc;
+}
+
+static void bnx2x_get_pauseparam(struct net_device *dev,
+ struct ethtool_pauseparam *epause)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ epause->autoneg = (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
+ (bp->link_params.req_line_speed == SPEED_AUTO_NEG);
+
+ epause->rx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_RX) ==
+ FLOW_CTRL_RX);
+ epause->tx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_TX) ==
+ FLOW_CTRL_TX);
+
+ DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
+ DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
+ epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
+}
+
+static int bnx2x_set_pauseparam(struct net_device *dev,
+ struct ethtool_pauseparam *epause)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ if (IS_E1HMF(bp))
+ return 0;
+
+ DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
+ DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
+ epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
+
+ bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
+
+ if (epause->rx_pause)
+ bp->link_params.req_flow_ctrl |= FLOW_CTRL_RX;
+
+ if (epause->tx_pause)
+ bp->link_params.req_flow_ctrl |= FLOW_CTRL_TX;
+
+ if (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO)
+ bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
+
+ if (epause->autoneg) {
+ if (!(bp->port.supported & SUPPORTED_Autoneg)) {
+ DP(NETIF_MSG_LINK, "Autoneg not supported\n");
+ return -EINVAL;
+ }
+
+ if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
+ bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
+ }
+
+ DP(NETIF_MSG_LINK,
+ "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
+
+ if (netif_running(dev)) {
+ bnx2x_stats_handle(bp, STATS_EVENT_STOP);
+ bnx2x_link_set(bp);
+ }
+
+ return 0;
+}
+
+static u32 bnx2x_get_rx_csum(struct net_device *dev)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ return bp->rx_csum;
+}
+
+static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ bp->rx_csum = data;
+ return 0;
+}
+
+static int bnx2x_set_tso(struct net_device *dev, u32 data)
+{
+ if (data) {
+ dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
+ dev->features |= NETIF_F_TSO6;
+ } else {
+ dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
+ dev->features &= ~NETIF_F_TSO6;
+ }
+
+ return 0;
+}
+
+static const struct {
+ char string[ETH_GSTRING_LEN];
+} bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
+ { "register_test (offline)" },
+ { "memory_test (offline)" },
+ { "loopback_test (offline)" },
+ { "nvram_test (online)" },
+ { "interrupt_test (online)" },
+ { "link_test (online)" },
+ { "idle check (online)" },
+ { "MC errors (online)" }
+};
+
+static int bnx2x_self_test_count(struct net_device *dev)
+{
+ return BNX2X_NUM_TESTS;
+}
+
+static int bnx2x_test_registers(struct bnx2x *bp)
+{
+ int idx, i, rc = -ENODEV;
+ u32 wr_val = 0;
+ static const struct {
+ u32 offset0;
+ u32 offset1;
+ u32 mask;
+ } reg_tbl[] = {
+/* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
+ { DORQ_REG_DB_ADDR0, 4, 0xffffffff },
+ { HC_REG_AGG_INT_0, 4, 0x000003ff },
+ { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
+ { PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
+ { PRS_REG_CID_PORT_0, 4, 0x00ffffff },
+ { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
+ { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
+ { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
+ { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
+/* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
+ { QM_REG_CONNNUM_0, 4, 0x000fffff },
+ { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
+ { SRC_REG_KEYRSS0_0, 40, 0xffffffff },
+ { SRC_REG_KEYRSS0_7, 40, 0xffffffff },
+ { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
+ { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
+ { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
+ { NIG_REG_EGRESS_MNG0_FIFO, 20, 0xffffffff },
+ { NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
+/* 20 */ { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
+ { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
+ { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
+ { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
+ { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
+ { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
+ { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
+ { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
+ { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
+ { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
+/* 30 */ { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
+ { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
+ { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
+ { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
+ { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
+ { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
+ { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
+ { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
+
+ { 0xffffffff, 0, 0x00000000 }
+ };
+
+ if (!netif_running(bp->dev))
+ return rc;
+
+ /* Repeat the test twice:
+ First by writing 0x00000000, second by writing 0xffffffff */
+ for (idx = 0; idx < 2; idx++) {
+
+ switch (idx) {
+ case 0:
+ wr_val = 0;
+ break;
+ case 1:
+ wr_val = 0xffffffff;
+ break;
+ }
+
+ for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
+ u32 offset, mask, save_val, val;
+ int port = BP_PORT(bp);
+
+ offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
+ mask = reg_tbl[i].mask;
+
+ save_val = REG_RD(bp, offset);
+
+ REG_WR(bp, offset, wr_val);
+ val = REG_RD(bp, offset);
+
+ /* Restore the original register's value */
+ REG_WR(bp, offset, save_val);
+
+ /* verify that value is as expected value */
+ if ((val & mask) != (wr_val & mask))
+ goto test_reg_exit;
+ }
+ }
+
+ rc = 0;
+
+test_reg_exit:
+ return rc;
+}
+
+static int bnx2x_test_memory(struct bnx2x *bp)
+{
+ int i, j, rc = -ENODEV;
+ u32 val;
+ static const struct {
+ u32 offset;
+ int size;
+ } mem_tbl[] = {
+ { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
+ { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
+ { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
+ { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
+ { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
+ { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
+ { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
+
+ { 0xffffffff, 0 }
+ };
+ static const struct {
+ char *name;
+ u32 offset;
+ u32 mask;
+ } prty_tbl[] = {
+ { "CCM_REG_CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0 },
+ { "CFC_REG_CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0 },
+ { "DMAE_REG_DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0 },
+ { "TCM_REG_TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0 },
+ { "UCM_REG_UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0 },
+ { "XCM_REG_XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x1 },
+
+ { NULL, 0xffffffff, 0 }
+ };
+
+ if (!netif_running(bp->dev))
+ return rc;
+
+ /* Go through all the memories */
+ for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
+ for (j = 0; j < mem_tbl[i].size; j++)
+ REG_RD(bp, mem_tbl[i].offset + j*4);
+
+ /* Check the parity status */
+ for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
+ val = REG_RD(bp, prty_tbl[i].offset);
+ if (val & ~(prty_tbl[i].mask)) {
+ DP(NETIF_MSG_HW,
+ "%s is 0x%x\n", prty_tbl[i].name, val);
+ goto test_mem_exit;
+ }
+ }
+
+ rc = 0;
+
+test_mem_exit:
+ return rc;
+}
+
+static void bnx2x_netif_start(struct bnx2x *bp)
+{
+ int i;
+
+ if (atomic_dec_and_test(&bp->intr_sem)) {
+ if (netif_running(bp->dev)) {
+ bnx2x_int_enable(bp);
+ for_each_queue(bp, i)
+ napi_enable(&bnx2x_fp(bp, i, napi));
+ if (bp->state == BNX2X_STATE_OPEN)
+ netif_wake_queue(bp->dev);
+ }
+ }
+}
+
+static void bnx2x_netif_stop(struct bnx2x *bp)
+{
+ int i;
+
+ if (netif_running(bp->dev)) {
+ netif_tx_disable(bp->dev);
+ bp->dev->trans_start = jiffies; /* prevent tx timeout */
+ for_each_queue(bp, i)
+ napi_disable(&bnx2x_fp(bp, i, napi));
+ }
+ bnx2x_int_disable_sync(bp);
+}
+
+static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
+{
+ int cnt = 1000;
+
+ if (link_up)
+ while (bnx2x_link_test(bp) && cnt--)
+ msleep(10);
+}
+
+static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
+{
+ unsigned int pkt_size, num_pkts, i;
+ struct sk_buff *skb;
+ unsigned char *packet;
+ struct bnx2x_fastpath *fp = &bp->fp[0];
+ u16 tx_start_idx, tx_idx;
+ u16 rx_start_idx, rx_idx;
+ u16 pkt_prod;
+ struct sw_tx_bd *tx_buf;
+ struct eth_tx_bd *tx_bd;
+ dma_addr_t mapping;
+ union eth_rx_cqe *cqe;
+ u8 cqe_fp_flags;
+ struct sw_rx_bd *rx_buf;
+ u16 len;
+ int rc = -ENODEV;
+
+ if (loopback_mode == BNX2X_MAC_LOOPBACK) {
+ bp->link_params.loopback_mode = LOOPBACK_BMAC;
+ bnx2x_phy_hw_lock(bp);
+ bnx2x_phy_init(&bp->link_params, &bp->link_vars);
+ bnx2x_phy_hw_unlock(bp);
+
+ } else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
+ bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
+ bnx2x_phy_hw_lock(bp);
+ bnx2x_phy_init(&bp->link_params, &bp->link_vars);
+ bnx2x_phy_hw_unlock(bp);
+ /* wait until link state is restored */
+ bnx2x_wait_for_link(bp, link_up);
+
+ } else
+ return -EINVAL;
+
+ pkt_size = 1514;
+ skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
+ if (!skb) {
+ rc = -ENOMEM;
+ goto test_loopback_exit;
+ }
+ packet = skb_put(skb, pkt_size);
+ memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
+ memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
+ for (i = ETH_HLEN; i < pkt_size; i++)
+ packet[i] = (unsigned char) (i & 0xff);
+
+ num_pkts = 0;
+ tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
+ rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);
+
+ pkt_prod = fp->tx_pkt_prod++;
+ tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
+ tx_buf->first_bd = fp->tx_bd_prod;
+ tx_buf->skb = skb;
+
+ tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
+ mapping = pci_map_single(bp->pdev, skb->data,
+ skb_headlen(skb), PCI_DMA_TODEVICE);
+ tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
+ tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
+ tx_bd->nbd = cpu_to_le16(1);
+ tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
+ tx_bd->vlan = cpu_to_le16(pkt_prod);
+ tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
+ ETH_TX_BD_FLAGS_END_BD);
+ tx_bd->general_data = ((UNICAST_ADDRESS <<
+ ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);
+
+ fp->hw_tx_prods->bds_prod =
+ cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
+ mb(); /* FW restriction: must not reorder writing nbd and packets */
+ fp->hw_tx_prods->packets_prod =
+ cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
+ DOORBELL(bp, FP_IDX(fp), 0);
+
+ mmiowb();
+
+ num_pkts++;
+ fp->tx_bd_prod++;
+ bp->dev->trans_start = jiffies;
+
+ udelay(100);
+
+ tx_idx = le16_to_cpu(*fp->tx_cons_sb);
+ if (tx_idx != tx_start_idx + num_pkts)
+ goto test_loopback_exit;
+
+ rx_idx = le16_to_cpu(*fp->rx_cons_sb);
+ if (rx_idx != rx_start_idx + num_pkts)
+ goto test_loopback_exit;
+
+ cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
+ cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
+ if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
+ goto test_loopback_rx_exit;
+
+ len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
+ if (len != pkt_size)
+ goto test_loopback_rx_exit;
+
+ rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
+ skb = rx_buf->skb;
+ skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
+ for (i = ETH_HLEN; i < pkt_size; i++)
+ if (*(skb->data + i) != (unsigned char) (i & 0xff))
+ goto test_loopback_rx_exit;
+
+ rc = 0;
+
+test_loopback_rx_exit:
+ bp->dev->last_rx = jiffies;
+
+ fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
+ fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
+ fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
+ fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);
+
+ /* Update producers */
+ bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
+ fp->rx_sge_prod);
+ mmiowb(); /* keep prod updates ordered */
+
+test_loopback_exit:
+ bp->link_params.loopback_mode = LOOPBACK_NONE;
+
+ return rc;
+}
+
+static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
+{
+ int rc = 0;
+
+ if (!netif_running(bp->dev))
+ return BNX2X_LOOPBACK_FAILED;
+
+ bnx2x_netif_stop(bp);
+
+ if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
+ DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
+ rc |= BNX2X_MAC_LOOPBACK_FAILED;
+ }
+
+ if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
+ DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
+ rc |= BNX2X_PHY_LOOPBACK_FAILED;
+ }
+
+ bnx2x_netif_start(bp);
+
+ return rc;
+}
+
+#define CRC32_RESIDUAL 0xdebb20e3
+
+static int bnx2x_test_nvram(struct bnx2x *bp)
+{
+ static const struct {
+ int offset;
+ int size;
+ } nvram_tbl[] = {
+ { 0, 0x14 }, /* bootstrap */
+ { 0x14, 0xec }, /* dir */
+ { 0x100, 0x350 }, /* manuf_info */
+ { 0x450, 0xf0 }, /* feature_info */
+ { 0x640, 0x64 }, /* upgrade_key_info */
+ { 0x6a4, 0x64 },
+ { 0x708, 0x70 }, /* manuf_key_info */
+ { 0x778, 0x70 },
+ { 0, 0 }
+ };
+ u32 buf[0x350 / 4];
+ u8 *data = (u8 *)buf;
+ int i, rc;
+ u32 magic, csum;
+
+ rc = bnx2x_nvram_read(bp, 0, data, 4);
+ if (rc) {
+ DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
+ goto test_nvram_exit;
+ }
+
+ magic = be32_to_cpu(buf[0]);
+ if (magic != 0x669955aa) {
+ DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
+ rc = -ENODEV;
+ goto test_nvram_exit;
+ }
+
+ for (i = 0; nvram_tbl[i].size; i++) {
+
+ rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
+ nvram_tbl[i].size);
+ if (rc) {
+ DP(NETIF_MSG_PROBE,
+ "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
+ goto test_nvram_exit;
+ }
+
+ csum = ether_crc_le(nvram_tbl[i].size, data);
+ if (csum != CRC32_RESIDUAL) {
+ DP(NETIF_MSG_PROBE,
+ "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
+ rc = -ENODEV;
+ goto test_nvram_exit;
+ }
+ }
+
+test_nvram_exit:
+ return rc;
+}
+
+static int bnx2x_test_intr(struct bnx2x *bp)
+{
+ struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
+ int i, rc;
+
+ if (!netif_running(bp->dev))
+ return -ENODEV;
+
+ config->hdr.length_6b = 0;
+ config->hdr.offset = 0;
+ config->hdr.client_id = BP_CL_ID(bp);
+ config->hdr.reserved1 = 0;
+
+ rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
+ U64_HI(bnx2x_sp_mapping(bp, mac_config)),
+ U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
+ if (rc == 0) {
+ bp->set_mac_pending++;
+ for (i = 0; i < 10; i++) {
+ if (!bp->set_mac_pending)
+ break;
+ msleep_interruptible(10);
+ }
+ if (i == 10)
+ rc = -ENODEV;
+ }
+
+ return rc;
+}
+
+static void bnx2x_self_test(struct net_device *dev,
+ struct ethtool_test *etest, u64 *buf)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
+
+ if (!netif_running(dev))
+ return;
+
+ /* offline tests are not suppoerted in MF mode */
+ if (IS_E1HMF(bp))
+ etest->flags &= ~ETH_TEST_FL_OFFLINE;
+
+ if (etest->flags & ETH_TEST_FL_OFFLINE) {
+ u8 link_up;
+
+ link_up = bp->link_vars.link_up;
+ bnx2x_nic_unload(bp, UNLOAD_NORMAL);
+ bnx2x_nic_load(bp, LOAD_DIAG);
+ /* wait until link state is restored */
+ bnx2x_wait_for_link(bp, link_up);
+
+ if (bnx2x_test_registers(bp) != 0) {
+ buf[0] = 1;
+ etest->flags |= ETH_TEST_FL_FAILED;
+ }
+ if (bnx2x_test_memory(bp) != 0) {
+ buf[1] = 1;
+ etest->flags |= ETH_TEST_FL_FAILED;
+ }
+ buf[2] = bnx2x_test_loopback(bp, link_up);
+ if (buf[2] != 0)
+ etest->flags |= ETH_TEST_FL_FAILED;
+
+ bnx2x_nic_unload(bp, UNLOAD_NORMAL);
+ bnx2x_nic_load(bp, LOAD_NORMAL);
+ /* wait until link state is restored */
+ bnx2x_wait_for_link(bp, link_up);
+ }
+ if (bnx2x_test_nvram(bp) != 0) {
+ buf[3] = 1;
+ etest->flags |= ETH_TEST_FL_FAILED;
+ }
+ if (bnx2x_test_intr(bp) != 0) {
+ buf[4] = 1;
+ etest->flags |= ETH_TEST_FL_FAILED;
+ }
+ if (bp->port.pmf)
+ if (bnx2x_link_test(bp) != 0) {
+ buf[5] = 1;
+ etest->flags |= ETH_TEST_FL_FAILED;
+ }
+ buf[7] = bnx2x_mc_assert(bp);
+ if (buf[7] != 0)
+ etest->flags |= ETH_TEST_FL_FAILED;
+
+#ifdef BNX2X_EXTRA_DEBUG
+ bnx2x_panic_dump(bp);
+#endif
+}
+
+static const struct {
+ long offset;
+ int size;
+ u32 flags;
+ char string[ETH_GSTRING_LEN];
+} bnx2x_stats_arr[BNX2X_NUM_STATS] = {
+/* 1 */ { STATS_OFFSET32(valid_bytes_received_hi), 8, 1, "rx_bytes" },
+ { STATS_OFFSET32(error_bytes_received_hi), 8, 1, "rx_error_bytes" },
+ { STATS_OFFSET32(total_bytes_transmitted_hi), 8, 1, "tx_bytes" },
+ { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi), 8, 0, "tx_error_bytes" },
+ { STATS_OFFSET32(total_unicast_packets_received_hi),
+ 8, 1, "rx_ucast_packets" },
+ { STATS_OFFSET32(total_multicast_packets_received_hi),
+ 8, 1, "rx_mcast_packets" },
+ { STATS_OFFSET32(total_broadcast_packets_received_hi),
+ 8, 1, "rx_bcast_packets" },
+ { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
+ 8, 1, "tx_packets" },
+ { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
+ 8, 0, "tx_mac_errors" },
+/* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
+ 8, 0, "tx_carrier_errors" },
+ { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
+ 8, 0, "rx_crc_errors" },
+ { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
+ 8, 0, "rx_align_errors" },
+ { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
+ 8, 0, "tx_single_collisions" },
+ { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
+ 8, 0, "tx_multi_collisions" },
+ { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
+ 8, 0, "tx_deferred" },
+ { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
+ 8, 0, "tx_excess_collisions" },
+ { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
+ 8, 0, "tx_late_collisions" },
+ { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
+ 8, 0, "tx_total_collisions" },
+ { STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
+ 8, 0, "rx_fragments" },
+/* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi), 8, 0, "rx_jabbers" },
+ { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
+ 8, 0, "rx_undersize_packets" },
+ { STATS_OFFSET32(jabber_packets_received),
+ 4, 1, "rx_oversize_packets" },
+ { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
+ 8, 0, "tx_64_byte_packets" },
+ { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
+ 8, 0, "tx_65_to_127_byte_packets" },
+ { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
+ 8, 0, "tx_128_to_255_byte_packets" },
+ { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
+ 8, 0, "tx_256_to_511_byte_packets" },
+ { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
+ 8, 0, "tx_512_to_1023_byte_packets" },
+ { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
+ 8, 0, "tx_1024_to_1522_byte_packets" },
+ { STATS_OFFSET32(etherstatspktsover1522octets_hi),
+ 8, 0, "tx_1523_to_9022_byte_packets" },
+/* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
+ 8, 0, "rx_xon_frames" },
+ { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
+ 8, 0, "rx_xoff_frames" },
+ { STATS_OFFSET32(tx_stat_outxonsent_hi), 8, 0, "tx_xon_frames" },
+ { STATS_OFFSET32(tx_stat_outxoffsent_hi), 8, 0, "tx_xoff_frames" },
+ { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
+ 8, 0, "rx_mac_ctrl_frames" },
+ { STATS_OFFSET32(mac_filter_discard), 4, 1, "rx_filtered_packets" },
+ { STATS_OFFSET32(no_buff_discard), 4, 1, "rx_discards" },
+ { STATS_OFFSET32(xxoverflow_discard), 4, 1, "rx_fw_discards" },
+ { STATS_OFFSET32(brb_drop_hi), 8, 1, "brb_discard" },
+/* 39 */{ STATS_OFFSET32(brb_truncate_discard), 8, 1, "brb_truncate" }
+};
+
+static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+ int i, j;
+
+ switch (stringset) {
+ case ETH_SS_STATS:
+ for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
+ if (IS_E1HMF(bp) && (!bnx2x_stats_arr[i].flags))
+ continue;
+ strcpy(buf + j*ETH_GSTRING_LEN,
+ bnx2x_stats_arr[i].string);
+ j++;
+ }
+ break;
+
+ case ETH_SS_TEST:
+ memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
+ break;
+ }
+}
+
+static int bnx2x_get_stats_count(struct net_device *dev)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+ int i, num_stats = 0;
+
+ for (i = 0; i < BNX2X_NUM_STATS; i++) {
+ if (IS_E1HMF(bp) && (!bnx2x_stats_arr[i].flags))
+ continue;
+ num_stats++;
+ }
+ return num_stats;
+}
+
+static void bnx2x_get_ethtool_stats(struct net_device *dev,
+ struct ethtool_stats *stats, u64 *buf)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+ u32 *hw_stats = (u32 *)&bp->eth_stats;
+ int i, j;
+
+ for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
+ if (IS_E1HMF(bp) && (!bnx2x_stats_arr[i].flags))
+ continue;
+
+ if (bnx2x_stats_arr[i].size == 0) {
+ /* skip this counter */
+ buf[j] = 0;
+ j++;
+ continue;
+ }
+ if (bnx2x_stats_arr[i].size == 4) {
+ /* 4-byte counter */
+ buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
+ j++;
+ continue;
+ }
+ /* 8-byte counter */
+ buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
+ *(hw_stats + bnx2x_stats_arr[i].offset + 1));
+ j++;
+ }
+}
+
+static int bnx2x_phys_id(struct net_device *dev, u32 data)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+ int port = BP_PORT(bp);
+ int i;
+
+ if (!netif_running(dev))
+ return 0;
+
+ if (!bp->port.pmf)
+ return 0;
+
+ if (data == 0)
+ data = 2;
+
+ for (i = 0; i < (data * 2); i++) {
+ if ((i % 2) == 0)
+ bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
+ bp->link_params.hw_led_mode,
+ bp->link_params.chip_id);
+ else
+ bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
+ bp->link_params.hw_led_mode,
+ bp->link_params.chip_id);
+
+ msleep_interruptible(500);
+ if (signal_pending(current))
+ break;
+ }
+
+ if (bp->link_vars.link_up)
+ bnx2x_set_led(bp, port, LED_MODE_OPER,
+ bp->link_vars.line_speed,
+ bp->link_params.hw_led_mode,
+ bp->link_params.chip_id);
+
+ return 0;
+}
+
+static struct ethtool_ops bnx2x_ethtool_ops = {
+ .get_settings = bnx2x_get_settings,
+ .set_settings = bnx2x_set_settings,
+ .get_drvinfo = bnx2x_get_drvinfo,
+ .get_wol = bnx2x_get_wol,
+ .set_wol = bnx2x_set_wol,
+ .get_msglevel = bnx2x_get_msglevel,
+ .set_msglevel = bnx2x_set_msglevel,
+ .nway_reset = bnx2x_nway_reset,
+ .get_link = ethtool_op_get_link,
+ .get_eeprom_len = bnx2x_get_eeprom_len,
+ .get_eeprom = bnx2x_get_eeprom,
+ .set_eeprom = bnx2x_set_eeprom,
+ .get_coalesce = bnx2x_get_coalesce,
+ .set_coalesce = bnx2x_set_coalesce,
+ .get_ringparam = bnx2x_get_ringparam,
+ .set_ringparam = bnx2x_set_ringparam,
+ .get_pauseparam = bnx2x_get_pauseparam,
+ .set_pauseparam = bnx2x_set_pauseparam,
+ .get_rx_csum = bnx2x_get_rx_csum,
+ .set_rx_csum = bnx2x_set_rx_csum,
+ .get_tx_csum = ethtool_op_get_tx_csum,
+ .set_tx_csum = ethtool_op_set_tx_hw_csum,
+ .set_flags = bnx2x_set_flags,
+ .get_flags = ethtool_op_get_flags,
+ .get_sg = ethtool_op_get_sg,
+ .set_sg = ethtool_op_set_sg,
+ .get_tso = ethtool_op_get_tso,
+ .set_tso = bnx2x_set_tso,
+ .self_test_count = bnx2x_self_test_count,
+ .self_test = bnx2x_self_test,
+ .get_strings = bnx2x_get_strings,
+ .phys_id = bnx2x_phys_id,
+ .get_stats_count = bnx2x_get_stats_count,
+ .get_ethtool_stats = bnx2x_get_ethtool_stats,
+};
+
+/* end of ethtool_ops */
+
+/****************************************************************************
+* General service functions
+****************************************************************************/
+
+static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
+{
+ u16 pmcsr;
+
+ pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
+
+ switch (state) {
+ case PCI_D0:
+ pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
+ ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
+ PCI_PM_CTRL_PME_STATUS));
+
+ if (pmcsr & PCI_PM_CTRL_STATE_MASK)
+ /* delay required during transition out of D3hot */
+ msleep(20);
+ break;
+
+ case PCI_D3hot:
+ pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
+ pmcsr |= 3;
+
+ if (bp->wol)
+ pmcsr |= PCI_PM_CTRL_PME_ENABLE;
+
+ pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
+ pmcsr);
+
+ /* No more memory access after this point until
+ * device is brought back to D0.
+ */
+ break;
+
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+/*
+ * net_device service functions
+ */
+
+static int bnx2x_poll(struct napi_struct *napi, int budget)
+{
+ struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
+ napi);
+ struct bnx2x *bp = fp->bp;
+ int work_done = 0;
+
+#ifdef BNX2X_STOP_ON_ERROR
+ if (unlikely(bp->panic))
+ goto poll_panic;
+#endif
+
+ prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
+ prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
+ prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
+
+ bnx2x_update_fpsb_idx(fp);
+
+ if ((fp->tx_pkt_prod != le16_to_cpu(*fp->tx_cons_sb)) ||
+ (fp->tx_pkt_prod != fp->tx_pkt_cons))
+ bnx2x_tx_int(fp, budget);
+
+ if (le16_to_cpu(*fp->rx_cons_sb) != fp->rx_comp_cons)
+ work_done = bnx2x_rx_int(fp, budget);
+
+ rmb(); /* bnx2x_has_work() reads the status block */
+
+ /* must not complete if we consumed full budget */
+ if ((work_done < budget) && !bnx2x_has_work(fp)) {
+
+#ifdef BNX2X_STOP_ON_ERROR
+poll_panic:
+#endif
+ netif_rx_complete(bp->dev, napi);
+
+ bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
+ le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
+ bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
+ le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
+ }
+ return work_done;
+}
+
+
+/* we split the first BD into headers and data BDs
+ * to ease the pain of our fellow micocode engineers
+ * we use one mapping for both BDs
+ * So far this has only been observed to happen
+ * in Other Operating Systems(TM)
+ */
+static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
+ struct bnx2x_fastpath *fp,
+ struct eth_tx_bd **tx_bd, u16 hlen,
+ u16 bd_prod, int nbd)
+{
+ struct eth_tx_bd *h_tx_bd = *tx_bd;
+ struct eth_tx_bd *d_tx_bd;
+ dma_addr_t mapping;
+ int old_len = le16_to_cpu(h_tx_bd->nbytes);
+
+ /* first fix first BD */
+ h_tx_bd->nbd = cpu_to_le16(nbd);
+ h_tx_bd->nbytes = cpu_to_le16(hlen);
+
+ DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d "
+ "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
+ h_tx_bd->addr_lo, h_tx_bd->nbd);
+
+ /* now get a new data BD
+ * (after the pbd) and fill it */
+ bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
+ d_tx_bd = &fp->tx_desc_ring[bd_prod];
+
+ mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
+ le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
+
+ d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
+ d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
+ d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
+ d_tx_bd->vlan = 0;
+ /* this marks the BD as one that has no individual mapping
+ * the FW ignores this flag in a BD not marked start
+ */
+ d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
+ DP(NETIF_MSG_TX_QUEUED,
+ "TSO split data size is %d (%x:%x)\n",
+ d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);
+
+ /* update tx_bd for marking the last BD flag */
+ *tx_bd = d_tx_bd;
+
+ return bd_prod;
+}
+
+static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
+{
+ if (fix > 0)
+ csum = (u16) ~csum_fold(csum_sub(csum,
+ csum_partial(t_header - fix, fix, 0)));
+
+ else if (fix < 0)
+ csum = (u16) ~csum_fold(csum_add(csum,
+ csum_partial(t_header, -fix, 0)));
+
+ return swab16(csum);
+}
+
+static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
+{
+ u32 rc;
+
+ if (skb->ip_summed != CHECKSUM_PARTIAL)
+ rc = XMIT_PLAIN;
+
+ else {
+ if (skb->protocol == ntohs(ETH_P_IPV6)) {
+ rc = XMIT_CSUM_V6;
+ if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
+ rc |= XMIT_CSUM_TCP;
+
+ } else {
+ rc = XMIT_CSUM_V4;
+ if (ip_hdr(skb)->protocol == IPPROTO_TCP)
+ rc |= XMIT_CSUM_TCP;
+ }
+ }
+
+ if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
+ rc |= XMIT_GSO_V4;
+
+ else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
+ rc |= XMIT_GSO_V6;
+
+ return rc;
+}
+
+/* check if packet requires linearization (packet is too fragmented) */
+static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
+ u32 xmit_type)
+{
+ int to_copy = 0;
+ int hlen = 0;
+ int first_bd_sz = 0;
+
+ /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
+ if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
+
+ if (xmit_type & XMIT_GSO) {
+ unsigned short lso_mss = skb_shinfo(skb)->gso_size;
+ /* Check if LSO packet needs to be copied:
+ 3 = 1 (for headers BD) + 2 (for PBD and last BD) */
+ int wnd_size = MAX_FETCH_BD - 3;
+ /* Number of widnows to check */
+ int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
+ int wnd_idx = 0;
+ int frag_idx = 0;
+ u32 wnd_sum = 0;
+
+ /* Headers length */
+ hlen = (int)(skb_transport_header(skb) - skb->data) +
+ tcp_hdrlen(skb);
+
+ /* Amount of data (w/o headers) on linear part of SKB*/
+ first_bd_sz = skb_headlen(skb) - hlen;
+
+ wnd_sum = first_bd_sz;
+
+ /* Calculate the first sum - it's special */
+ for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
+ wnd_sum +=
+ skb_shinfo(skb)->frags[frag_idx].size;
+
+ /* If there was data on linear skb data - check it */
+ if (first_bd_sz > 0) {
+ if (unlikely(wnd_sum < lso_mss)) {
+ to_copy = 1;
+ goto exit_lbl;
+ }
+
+ wnd_sum -= first_bd_sz;
+ }
+
+ /* Others are easier: run through the frag list and
+ check all windows */
+ for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
+ wnd_sum +=
+ skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
+
+ if (unlikely(wnd_sum < lso_mss)) {
+ to_copy = 1;
+ break;
+ }
+ wnd_sum -=
+ skb_shinfo(skb)->frags[wnd_idx].size;
+ }
+
+ } else {
+ /* in non-LSO too fragmented packet should always
+ be linearized */
+ to_copy = 1;
+ }
+ }
+
+exit_lbl:
+ if (unlikely(to_copy))
+ DP(NETIF_MSG_TX_QUEUED,
+ "Linearization IS REQUIRED for %s packet. "
+ "num_frags %d hlen %d first_bd_sz %d\n",
+ (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
+ skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);
+
+ return to_copy;
+}
+
+/* called with netif_tx_lock
+ * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
+ * netif_wake_queue()
+ */
+static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+ struct bnx2x_fastpath *fp;
+ struct sw_tx_bd *tx_buf;
+ struct eth_tx_bd *tx_bd;
+ struct eth_tx_parse_bd *pbd = NULL;
+ u16 pkt_prod, bd_prod;
+ int nbd, fp_index;
+ dma_addr_t mapping;
+ u32 xmit_type = bnx2x_xmit_type(bp, skb);
+ int vlan_off = (bp->e1hov ? 4 : 0);
+ int i;
+ u8 hlen = 0;
+
+#ifdef BNX2X_STOP_ON_ERROR
+ if (unlikely(bp->panic))
+ return NETDEV_TX_BUSY;
+#endif
+
+ fp_index = (smp_processor_id() % bp->num_queues);
+ fp = &bp->fp[fp_index];
+
+ if (unlikely(bnx2x_tx_avail(bp->fp) <
+ (skb_shinfo(skb)->nr_frags + 3))) {
+ bp->eth_stats.driver_xoff++,
+ netif_stop_queue(dev);
+ BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
+ return NETDEV_TX_BUSY;
+ }
+
+ DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x protocol %x protocol(%x,%x)"
+ " gso type %x xmit_type %x\n",
+ skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
+ ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
+
+ /* First, check if we need to linearaize the skb
+ (due to FW restrictions) */
+ if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
+ /* Statistics of linearization */
+ bp->lin_cnt++;
+ if (skb_linearize(skb) != 0) {
+ DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
+ "silently dropping this SKB\n");
+ dev_kfree_skb_any(skb);
+ return 0;
+ }
+ }
+
+ /*
+ Please read carefully. First we use one BD which we mark as start,
+ then for TSO or xsum we have a parsing info BD,
+ and only then we have the rest of the TSO BDs.
+ (don't forget to mark the last one as last,
+ and to unmap only AFTER you write to the BD ...)
+ And above all, all pdb sizes are in words - NOT DWORDS!
+ */
+
+ pkt_prod = fp->tx_pkt_prod++;
+ bd_prod = TX_BD(fp->tx_bd_prod);
+
+ /* get a tx_buf and first BD */
+ tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
+ tx_bd = &fp->tx_desc_ring[bd_prod];
+
+ tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
+ tx_bd->general_data = (UNICAST_ADDRESS <<
+ ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
+ tx_bd->general_data |= 1; /* header nbd */
+
+ /* remember the first BD of the packet */
+ tx_buf->first_bd = fp->tx_bd_prod;
+ tx_buf->skb = skb;
+
+ DP(NETIF_MSG_TX_QUEUED,
+ "sending pkt %u @%p next_idx %u bd %u @%p\n",
+ pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);
+
+ if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) {
+ tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
+ tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
+ vlan_off += 4;
+ } else
+ tx_bd->vlan = cpu_to_le16(pkt_prod);
+
+ if (xmit_type) {
+
+ /* turn on parsing and get a BD */
+ bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
+ pbd = (void *)&fp->tx_desc_ring[bd_prod];
+
+ memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
+ }
+
+ if (xmit_type & XMIT_CSUM) {
+ hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
+
+ /* for now NS flag is not used in Linux */
+ pbd->global_data = (hlen |
+ ((skb->protocol == ntohs(ETH_P_8021Q)) <<
+ ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
+
+ pbd->ip_hlen = (skb_transport_header(skb) -
+ skb_network_header(skb)) / 2;
+
+ hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
+
+ pbd->total_hlen = cpu_to_le16(hlen);
+ hlen = hlen*2 - vlan_off;
+
+ tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;
+
+ if (xmit_type & XMIT_CSUM_V4)
+ tx_bd->bd_flags.as_bitfield |=
+ ETH_TX_BD_FLAGS_IP_CSUM;
+ else
+ tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;
+
+ if (xmit_type & XMIT_CSUM_TCP) {
+ pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);
+
+ } else {
+ s8 fix = SKB_CS_OFF(skb); /* signed! */
+
+ pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
+ pbd->cs_offset = fix / 2;
+
+ DP(NETIF_MSG_TX_QUEUED,
+ "hlen %d offset %d fix %d csum before fix %x\n",
+ le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
+ SKB_CS(skb));
+
+ /* HW bug: fixup the CSUM */
+ pbd->tcp_pseudo_csum =
+ bnx2x_csum_fix(skb_transport_header(skb),
+ SKB_CS(skb), fix);
+
+ DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
+ pbd->tcp_pseudo_csum);
+ }
+ }
+
+ mapping = pci_map_single(bp->pdev, skb->data,
+ skb_headlen(skb), PCI_DMA_TODEVICE);
+
+ tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
+ tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
+ nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL)? 1 : 2);
+ tx_bd->nbd = cpu_to_le16(nbd);
+ tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
+
+ DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d"
+ " nbytes %d flags %x vlan %x\n",
+ tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
+ le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
+ le16_to_cpu(tx_bd->vlan));
+
+ if (xmit_type & XMIT_GSO) {
+
+ DP(NETIF_MSG_TX_QUEUED,
+ "TSO packet len %d hlen %d total len %d tso size %d\n",
+ skb->len, hlen, skb_headlen(skb),
+ skb_shinfo(skb)->gso_size);
+
+ tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
+
+ if (unlikely(skb_headlen(skb) > hlen))
+ bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
+ bd_prod, ++nbd);
+
+ pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
+ pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
+ pbd->tcp_flags = pbd_tcp_flags(skb);
+
+ if (xmit_type & XMIT_GSO_V4) {
+ pbd->ip_id = swab16(ip_hdr(skb)->id);
+ pbd->tcp_pseudo_csum =
+ swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
+ ip_hdr(skb)->daddr,
+ 0, IPPROTO_TCP, 0));
+
+ } else
+ pbd->tcp_pseudo_csum =
+ swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
+ &ipv6_hdr(skb)->daddr,
+ 0, IPPROTO_TCP, 0));
+
+ pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
+ }
+
+ for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
+ skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
+
+ bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
+ tx_bd = &fp->tx_desc_ring[bd_prod];
+
+ mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
+ frag->size, PCI_DMA_TODEVICE);
+
+ tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
+ tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
+ tx_bd->nbytes = cpu_to_le16(frag->size);
+ tx_bd->vlan = cpu_to_le16(pkt_prod);
+ tx_bd->bd_flags.as_bitfield = 0;
+
+ DP(NETIF_MSG_TX_QUEUED,
+ "frag %d bd @%p addr (%x:%x) nbytes %d flags %x\n",
+ i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
+ le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
+ }
+
+ /* now at last mark the BD as the last BD */
+ tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
+
+ DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n",
+ tx_bd, tx_bd->bd_flags.as_bitfield);
+
+ bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
+
+ /* now send a tx doorbell, counting the next BD
+ * if the packet contains or ends with it
+ */
+ if (TX_BD_POFF(bd_prod) < nbd)
+ nbd++;
+
+ if (pbd)
+ DP(NETIF_MSG_TX_QUEUED,
+ "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u"
+ " tcp_flags %x xsum %x seq %u hlen %u\n",
+ pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
+ pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
+ pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
+
+ DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod);
+
+ fp->hw_tx_prods->bds_prod =
+ cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
+ mb(); /* FW restriction: must not reorder writing nbd and packets */
+ fp->hw_tx_prods->packets_prod =
+ cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
+ DOORBELL(bp, FP_IDX(fp), 0);
+
+ mmiowb();
+
+ fp->tx_bd_prod += nbd;
+ dev->trans_start = jiffies;
+
+ if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
+ netif_stop_queue(dev);
+ bp->eth_stats.driver_xoff++;
+ if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
+ netif_wake_queue(dev);
+ }
+ fp->tx_pkt++;
+
+ return NETDEV_TX_OK;
+}
+
+/* called with rtnl_lock */
+static int bnx2x_open(struct net_device *dev)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ bnx2x_set_power_state(bp, PCI_D0);
+
+ return bnx2x_nic_load(bp, LOAD_OPEN);
+}
+
+/* called with rtnl_lock */
+static int bnx2x_close(struct net_device *dev)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ /* Unload the driver, release IRQs */
+ bnx2x_nic_unload(bp, UNLOAD_CLOSE);
+ if (atomic_read(&bp->pdev->enable_cnt) == 1)
+ if (!CHIP_REV_IS_SLOW(bp))
+ bnx2x_set_power_state(bp, PCI_D3hot);
+
+ return 0;
+}
+
+/* called with netif_tx_lock from set_multicast */
+static void bnx2x_set_rx_mode(struct net_device *dev)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+ u32 rx_mode = BNX2X_RX_MODE_NORMAL;
+ int port = BP_PORT(bp);
+
+ if (bp->state != BNX2X_STATE_OPEN) {
+ DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
+ return;
+ }
+
+ DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
+
+ if (dev->flags & IFF_PROMISC)
+ rx_mode = BNX2X_RX_MODE_PROMISC;
+
+ else if ((dev->flags & IFF_ALLMULTI) ||
+ ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
+ rx_mode = BNX2X_RX_MODE_ALLMULTI;
+
+ else { /* some multicasts */
+ if (CHIP_IS_E1(bp)) {
+ int i, old, offset;
+ struct dev_mc_list *mclist;
+ struct mac_configuration_cmd *config =
+ bnx2x_sp(bp, mcast_config);
+
+ for (i = 0, mclist = dev->mc_list;
+ mclist && (i < dev->mc_count);
+ i++, mclist = mclist->next) {
+
+ config->config_table[i].
+ cam_entry.msb_mac_addr =
+ swab16(*(u16 *)&mclist->dmi_addr[0]);
+ config->config_table[i].
+ cam_entry.middle_mac_addr =
+ swab16(*(u16 *)&mclist->dmi_addr[2]);
+ config->config_table[i].
+ cam_entry.lsb_mac_addr =
+ swab16(*(u16 *)&mclist->dmi_addr[4]);
+ config->config_table[i].cam_entry.flags =
+ cpu_to_le16(port);
+ config->config_table[i].
+ target_table_entry.flags = 0;
+ config->config_table[i].
+ target_table_entry.client_id = 0;
+ config->config_table[i].
+ target_table_entry.vlan_id = 0;
+
+ DP(NETIF_MSG_IFUP,
+ "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
+ config->config_table[i].
+ cam_entry.msb_mac_addr,
+ config->config_table[i].
+ cam_entry.middle_mac_addr,
+ config->config_table[i].
+ cam_entry.lsb_mac_addr);
+ }
+ old = config->hdr.length_6b;
+ if (old > i) {
+ for (; i < old; i++) {
+ if (CAM_IS_INVALID(config->
+ config_table[i])) {
+ i--; /* already invalidated */
+ break;
+ }
+ /* invalidate */
+ CAM_INVALIDATE(config->
+ config_table[i]);
+ }
+ }
+
+ if (CHIP_REV_IS_SLOW(bp))
+ offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
+ else
+ offset = BNX2X_MAX_MULTICAST*(1 + port);
+
+ config->hdr.length_6b = i;
+ config->hdr.offset = offset;
+ config->hdr.client_id = BP_CL_ID(bp);
+ config->hdr.reserved1 = 0;
+
+ bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
+ U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
+ U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
+ 0);
+ } else { /* E1H */
+ /* Accept one or more multicasts */
+ struct dev_mc_list *mclist;
+ u32 mc_filter[MC_HASH_SIZE];
+ u32 crc, bit, regidx;
+ int i;
+
+ memset(mc_filter, 0, 4 * MC_HASH_SIZE);
+
+ for (i = 0, mclist = dev->mc_list;
+ mclist && (i < dev->mc_count);
+ i++, mclist = mclist->next) {
+
+ DP(NETIF_MSG_IFUP, "Adding mcast MAC: "
+ "%02x:%02x:%02x:%02x:%02x:%02x\n",
+ mclist->dmi_addr[0], mclist->dmi_addr[1],
+ mclist->dmi_addr[2], mclist->dmi_addr[3],
+ mclist->dmi_addr[4], mclist->dmi_addr[5]);
+
+ crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
+ bit = (crc >> 24) & 0xff;
+ regidx = bit >> 5;
+ bit &= 0x1f;
+ mc_filter[regidx] |= (1 << bit);
+ }
+
+ for (i = 0; i < MC_HASH_SIZE; i++)
+ REG_WR(bp, MC_HASH_OFFSET(bp, i),
+ mc_filter[i]);
+ }
+ }
+
+ bp->rx_mode = rx_mode;
+ bnx2x_set_storm_rx_mode(bp);
+}
+
+/* called with rtnl_lock */
+static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
+{
+ struct sockaddr *addr = p;
+ struct bnx2x *bp = netdev_priv(dev);
+
+ if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
+ return -EINVAL;
+
+ memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
+ if (netif_running(dev)) {
+ if (CHIP_IS_E1(bp))
+ bnx2x_set_mac_addr_e1(bp);
+ else
+ bnx2x_set_mac_addr_e1h(bp);
+ }
+
+ return 0;
+}
+
+/* called with rtnl_lock */
+static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+ struct mii_ioctl_data *data = if_mii(ifr);
+ struct bnx2x *bp = netdev_priv(dev);
+ int err;
+
+ switch (cmd) {
+ case SIOCGMIIPHY:
+ data->phy_id = bp->port.phy_addr;
+
+ /* fallthrough */
+
+ case SIOCGMIIREG: {
+ u16 mii_regval;
+
+ if (!netif_running(dev))
+ return -EAGAIN;
+
+ mutex_lock(&bp->port.phy_mutex);
+ err = bnx2x_cl45_read(bp, BP_PORT(bp), 0, bp->port.phy_addr,
+ DEFAULT_PHY_DEV_ADDR,
+ (data->reg_num & 0x1f), &mii_regval);
+ data->val_out = mii_regval;
+ mutex_unlock(&bp->port.phy_mutex);
+ return err;
+ }
+
+ case SIOCSMIIREG:
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+
+ if (!netif_running(dev))
+ return -EAGAIN;
+
+ mutex_lock(&bp->port.phy_mutex);
+ err = bnx2x_cl45_write(bp, BP_PORT(bp), 0, bp->port.phy_addr,
+ DEFAULT_PHY_DEV_ADDR,
+ (data->reg_num & 0x1f), data->val_in);
+ mutex_unlock(&bp->port.phy_mutex);
+ return err;
+
+ default:
+ /* do nothing */
+ break;
+ }
+
+ return -EOPNOTSUPP;
+}
+
+/* called with rtnl_lock */
+static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+ int rc = 0;
+
+ if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
+ ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
+ return -EINVAL;
+
+ /* This does not race with packet allocation
+ * because the actual alloc size is
+ * only updated as part of load
+ */
+ dev->mtu = new_mtu;
+
+ if (netif_running(dev)) {
+ bnx2x_nic_unload(bp, UNLOAD_NORMAL);
+ rc = bnx2x_nic_load(bp, LOAD_NORMAL);
+ }
+
+ return rc;
+}
+
+static void bnx2x_tx_timeout(struct net_device *dev)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+#ifdef BNX2X_STOP_ON_ERROR
+ if (!bp->panic)
+ bnx2x_panic();
+#endif
+ /* This allows the netif to be shutdown gracefully before resetting */
+ schedule_work(&bp->reset_task);
+}
+
+#ifdef BCM_VLAN
+/* called with rtnl_lock */
+static void bnx2x_vlan_rx_register(struct net_device *dev,
+ struct vlan_group *vlgrp)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ bp->vlgrp = vlgrp;
+ if (netif_running(dev))
+ bnx2x_set_client_config(bp);
+}
+
+#endif
+
+#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
+static void poll_bnx2x(struct net_device *dev)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ disable_irq(bp->pdev->irq);
+ bnx2x_interrupt(bp->pdev->irq, dev);
+ enable_irq(bp->pdev->irq);
+}
+#endif
+
+static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
+ struct net_device *dev)
+{
+ struct bnx2x *bp;
+ int rc;
+
+ SET_NETDEV_DEV(dev, &pdev->dev);
+ bp = netdev_priv(dev);
+
+ bp->dev = dev;
+ bp->pdev = pdev;
+ bp->flags = 0;
+ bp->func = PCI_FUNC(pdev->devfn);
+
+ rc = pci_enable_device(pdev);
+ if (rc) {
+ printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
+ goto err_out;
+ }
+
+ if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
+ printk(KERN_ERR PFX "Cannot find PCI device base address,"
+ " aborting\n");
+ rc = -ENODEV;
+ goto err_out_disable;
+ }
+
+ if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
+ printk(KERN_ERR PFX "Cannot find second PCI device"
+ " base address, aborting\n");
+ rc = -ENODEV;
+ goto err_out_disable;
+ }
+
+ if (atomic_read(&pdev->enable_cnt) == 1) {
+ rc = pci_request_regions(pdev, DRV_MODULE_NAME);
+ if (rc) {
+ printk(KERN_ERR PFX "Cannot obtain PCI resources,"
+ " aborting\n");
+ goto err_out_disable;
+ }
+
+ pci_set_master(pdev);
+ pci_save_state(pdev);
+ }
+
+ bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
+ if (bp->pm_cap == 0) {
+ printk(KERN_ERR PFX "Cannot find power management"
+ " capability, aborting\n");
+ rc = -EIO;
+ goto err_out_release;
+ }
+
+ bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
+ if (bp->pcie_cap == 0) {
+ printk(KERN_ERR PFX "Cannot find PCI Express capability,"
+ " aborting\n");
+ rc = -EIO;
+ goto err_out_release;
+ }
+
+ if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
+ bp->flags |= USING_DAC_FLAG;
+ if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
+ printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
+ " failed, aborting\n");
+ rc = -EIO;
+ goto err_out_release;
+ }
+
+ } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
+ printk(KERN_ERR PFX "System does not support DMA,"
+ " aborting\n");
+ rc = -EIO;
+ goto err_out_release;
+ }
+
+ dev->mem_start = pci_resource_start(pdev, 0);
+ dev->base_addr = dev->mem_start;
+ dev->mem_end = pci_resource_end(pdev, 0);
+
+ dev->irq = pdev->irq;
+
+ bp->regview = ioremap_nocache(dev->base_addr,
+ pci_resource_len(pdev, 0));
+ if (!bp->regview) {
+ printk(KERN_ERR PFX "Cannot map register space, aborting\n");
+ rc = -ENOMEM;
+ goto err_out_release;
+ }
+
+ bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
+ min_t(u64, BNX2X_DB_SIZE,
+ pci_resource_len(pdev, 2)));
+ if (!bp->doorbells) {
+ printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
+ rc = -ENOMEM;
+ goto err_out_unmap;
+ }
+
+ bnx2x_set_power_state(bp, PCI_D0);
+
+ /* clean indirect addresses */
+ pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
+ PCICFG_VENDOR_ID_OFFSET);
+ REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
+ REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
+ REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
+ REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
+
+ dev->hard_start_xmit = bnx2x_start_xmit;
+ dev->watchdog_timeo = TX_TIMEOUT;
+
+ dev->ethtool_ops = &bnx2x_ethtool_ops;
+ dev->open = bnx2x_open;
+ dev->stop = bnx2x_close;
+ dev->set_multicast_list = bnx2x_set_rx_mode;
+ dev->set_mac_address = bnx2x_change_mac_addr;
+ dev->do_ioctl = bnx2x_ioctl;
+ dev->change_mtu = bnx2x_change_mtu;
+ dev->tx_timeout = bnx2x_tx_timeout;
+#ifdef BCM_VLAN
+ dev->vlan_rx_register = bnx2x_vlan_rx_register;
+#endif
+#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
+ dev->poll_controller = poll_bnx2x;
+#endif
+ dev->features |= NETIF_F_SG;
+ dev->features |= NETIF_F_HW_CSUM;
+ if (bp->flags & USING_DAC_FLAG)
+ dev->features |= NETIF_F_HIGHDMA;
+#ifdef BCM_VLAN
+ dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
+#endif
+ dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
+ dev->features |= NETIF_F_TSO6;
+
+ return 0;
+
+err_out_unmap:
+ if (bp->regview) {
+ iounmap(bp->regview);
+ bp->regview = NULL;
+ }
+ if (bp->doorbells) {
+ iounmap(bp->doorbells);
+ bp->doorbells = NULL;
+ }
+
+err_out_release:
+ if (atomic_read(&pdev->enable_cnt) == 1)
+ pci_release_regions(pdev);
+
+err_out_disable:
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
+
+err_out:
+ return rc;
+}
+
+static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
+{
+ u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
+
+ val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
+ return val;
+}
+
+/* return value of 1=2.5GHz 2=5GHz */
+static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
+{
+ u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
+
+ val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
+ return val;
+}
+
+static int __devinit bnx2x_init_one(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ static int version_printed;
+ struct net_device *dev = NULL;
+ struct bnx2x *bp;
+ int rc;
+ DECLARE_MAC_BUF(mac);
+
+ if (version_printed++ == 0)
+ printk(KERN_INFO "%s", version);
+
+ /* dev zeroed in init_etherdev */
+ dev = alloc_etherdev(sizeof(*bp));
+ if (!dev) {
+ printk(KERN_ERR PFX "Cannot allocate net device\n");
+ return -ENOMEM;
+ }
+
+ netif_carrier_off(dev);
+
+ bp = netdev_priv(dev);
+ bp->msglevel = debug;
+
+ rc = bnx2x_init_dev(pdev, dev);
+ if (rc < 0) {
+ free_netdev(dev);
+ return rc;
+ }
+
+ rc = register_netdev(dev);
+ if (rc) {
+ dev_err(&pdev->dev, "Cannot register net device\n");
+ goto init_one_exit;
+ }
+
+ pci_set_drvdata(pdev, dev);
+
+ rc = bnx2x_init_bp(bp);
+ if (rc) {
+ unregister_netdev(dev);
+ goto init_one_exit;
+ }
+
+ bp->common.name = board_info[ent->driver_data].name;
+ printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
+ " IRQ %d, ", dev->name, bp->common.name,
+ (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
+ bnx2x_get_pcie_width(bp),
+ (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
+ dev->base_addr, bp->pdev->irq);
+ printk(KERN_CONT "node addr %s\n", print_mac(mac, dev->dev_addr));
+ return 0;
+
+init_one_exit:
+ if (bp->regview)
+ iounmap(bp->regview);
+
+ if (bp->doorbells)
+ iounmap(bp->doorbells);
+
+ free_netdev(dev);
+
+ if (atomic_read(&pdev->enable_cnt) == 1)
+ pci_release_regions(pdev);
+
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
+
+ return rc;
+}
+
+static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
+{
+ struct net_device *dev = pci_get_drvdata(pdev);
+ struct bnx2x *bp;
+
+ if (!dev) {
+ printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
+ return;
+ }
+ bp = netdev_priv(dev);
+
+ unregister_netdev(dev);
+
+ if (bp->regview)
+ iounmap(bp->regview);
+
+ if (bp->doorbells)
+ iounmap(bp->doorbells);
+
+ free_netdev(dev);
+
+ if (atomic_read(&pdev->enable_cnt) == 1)
+ pci_release_regions(pdev);
+
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
+}
+
+static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ struct net_device *dev = pci_get_drvdata(pdev);
+ struct bnx2x *bp;
+
+ if (!dev) {
+ printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
+ return -ENODEV;
+ }
+ bp = netdev_priv(dev);
+
+ rtnl_lock();
+
+ pci_save_state(pdev);
+
+ if (!netif_running(dev)) {
+ rtnl_unlock();
+ return 0;
+ }
+
+ netif_device_detach(dev);
+
+ bnx2x_nic_unload(bp, UNLOAD_NORMAL);
+
+ bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
+
+ rtnl_unlock();
+
+ return 0;
+}
+
+static int bnx2x_resume(struct pci_dev *pdev)
+{
+ struct net_device *dev = pci_get_drvdata(pdev);
+ struct bnx2x *bp;
+ int rc;
+
+ if (!dev) {
+ printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
+ return -ENODEV;
+ }
+ bp = netdev_priv(dev);
+
+ rtnl_lock();
+
+ pci_restore_state(pdev);
+
+ if (!netif_running(dev)) {
+ rtnl_unlock();
+ return 0;
+ }
+
+ bnx2x_set_power_state(bp, PCI_D0);
+ netif_device_attach(dev);
+
+ rc = bnx2x_nic_load(bp, LOAD_NORMAL);
+
+ rtnl_unlock();
+
+ return rc;
+}
+
+/**
+ * bnx2x_io_error_detected - called when PCI error is detected
+ * @pdev: Pointer to PCI device
+ * @state: The current pci connection state
+ *
+ * This function is called after a PCI bus error affecting
+ * this device has been detected.
+ */
+static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
+ pci_channel_state_t state)
+{
+ struct net_device *dev = pci_get_drvdata(pdev);
+ struct bnx2x *bp = netdev_priv(dev);
+
+ rtnl_lock();
+
+ netif_device_detach(dev);
+
+ if (netif_running(dev))
+ bnx2x_nic_unload(bp, UNLOAD_CLOSE);
+
+ pci_disable_device(pdev);
+
+ rtnl_unlock();
+
+ /* Request a slot reset */
+ return PCI_ERS_RESULT_NEED_RESET;
+}
+
+/**
+ * bnx2x_io_slot_reset - called after the PCI bus has been reset
+ * @pdev: Pointer to PCI device
+ *
+ * Restart the card from scratch, as if from a cold-boot.
+ */
+static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
+{
+ struct net_device *dev = pci_get_drvdata(pdev);
+ struct bnx2x *bp = netdev_priv(dev);
+
+ rtnl_lock();
+
+ if (pci_enable_device(pdev)) {
+ dev_err(&pdev->dev,
+ "Cannot re-enable PCI device after reset\n");
+ rtnl_unlock();
+ return PCI_ERS_RESULT_DISCONNECT;
+ }
+
+ pci_set_master(pdev);
+ pci_restore_state(pdev);
+
+ if (netif_running(dev))
+ bnx2x_set_power_state(bp, PCI_D0);
+
+ rtnl_unlock();
+
+ return PCI_ERS_RESULT_RECOVERED;
+}
+
+/**
+ * bnx2x_io_resume - called when traffic can start flowing again
+ * @pdev: Pointer to PCI device
+ *
+ * This callback is called when the error recovery driver tells us that
+ * its OK to resume normal operation.
+ */
+static void bnx2x_io_resume(struct pci_dev *pdev)
+{
+ struct net_device *dev = pci_get_drvdata(pdev);
+ struct bnx2x *bp = netdev_priv(dev);
+
+ rtnl_lock();
+
+ if (netif_running(dev))
+ bnx2x_nic_load(bp, LOAD_OPEN);
+
+ netif_device_attach(dev);
+
+ rtnl_unlock();
+}
+
+static struct pci_error_handlers bnx2x_err_handler = {
+ .error_detected = bnx2x_io_error_detected,
+ .slot_reset = bnx2x_io_slot_reset,
+ .resume = bnx2x_io_resume,
+};
+
+static struct pci_driver bnx2x_pci_driver = {
+ .name = DRV_MODULE_NAME,
+ .id_table = bnx2x_pci_tbl,
+ .probe = bnx2x_init_one,
+ .remove = __devexit_p(bnx2x_remove_one),
+ .suspend = bnx2x_suspend,
+ .resume = bnx2x_resume,
+ .err_handler = &bnx2x_err_handler,
+};
+
+static int __init bnx2x_init(void)
+{
+ return pci_register_driver(&bnx2x_pci_driver);
+}
+
+static void __exit bnx2x_cleanup(void)
+{
+ pci_unregister_driver(&bnx2x_pci_driver);
+}
+
+module_init(bnx2x_init);
+module_exit(bnx2x_cleanup);
+
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