1 files changed, 118 insertions, 75 deletions

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 65df1de447e4..5f0dda10f20d 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -1,6 +1,6 @@
 /* bnx2.c: Broadcom NX2 network driver.
  *
- * Copyright (c) 2004-2009 Broadcom Corporation
+ * Copyright (c) 2004-2010 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
@@ -48,7 +48,6 @@
 #include <linux/cache.h>
 #include <linux/firmware.h>
 #include <linux/log2.h>
-#include <linux/list.h>
 
 #if defined(CONFIG_CNIC) || defined(CONFIG_CNIC_MODULE)
 #define BCM_CNIC 1
@@ -59,13 +58,13 @@
 
 #define DRV_MODULE_NAME		"bnx2"
 #define PFX DRV_MODULE_NAME	": "
-#define DRV_MODULE_VERSION	"2.0.3"
-#define DRV_MODULE_RELDATE	"Dec 03, 2009"
-#define FW_MIPS_FILE_06		"bnx2/bnx2-mips-06-5.0.0.j3.fw"
+#define DRV_MODULE_VERSION	"2.0.8"
+#define DRV_MODULE_RELDATE	"Feb 15, 2010"
+#define FW_MIPS_FILE_06		"bnx2/bnx2-mips-06-5.0.0.j6.fw"
 #define FW_RV2P_FILE_06		"bnx2/bnx2-rv2p-06-5.0.0.j3.fw"
-#define FW_MIPS_FILE_09		"bnx2/bnx2-mips-09-5.0.0.j3.fw"
-#define FW_RV2P_FILE_09_Ax	"bnx2/bnx2-rv2p-09ax-5.0.0.j3.fw"
-#define FW_RV2P_FILE_09		"bnx2/bnx2-rv2p-09-5.0.0.j3.fw"
+#define FW_MIPS_FILE_09		"bnx2/bnx2-mips-09-5.0.0.j9.fw"
+#define FW_RV2P_FILE_09_Ax	"bnx2/bnx2-rv2p-09ax-5.0.0.j10.fw"
+#define FW_RV2P_FILE_09		"bnx2/bnx2-rv2p-09-5.0.0.j10.fw"
 
 #define RUN_AT(x) (jiffies + (x))
 
@@ -1278,7 +1277,7 @@ bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
 		if (lo_water >= bp->rx_ring_size)
 			lo_water = 0;
 
-		hi_water = bp->rx_ring_size / 4;
+		hi_water = min_t(int, bp->rx_ring_size / 4, lo_water + 16);
 
 		if (hi_water <= lo_water)
 			lo_water = 0;
@@ -3561,7 +3560,7 @@ bnx2_set_rx_mode(struct net_device *dev)
 
 		memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
 
-		for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
+		for (i = 0, mclist = dev->mc_list; mclist && i < netdev_mc_count(dev);
 		     i++, mclist = mclist->next) {
 
 			crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
@@ -3579,14 +3578,14 @@ bnx2_set_rx_mode(struct net_device *dev)
 		sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
 	}
 
-	if (dev->uc.count > BNX2_MAX_UNICAST_ADDRESSES) {
+	if (netdev_uc_count(dev) > BNX2_MAX_UNICAST_ADDRESSES) {
 		rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
 		sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
 			     BNX2_RPM_SORT_USER0_PROM_VLAN;
 	} else if (!(dev->flags & IFF_PROMISC)) {
 		/* Add all entries into to the match filter list */
 		i = 0;
-		list_for_each_entry(ha, &dev->uc.list, list) {
+		netdev_for_each_uc_addr(ha, dev) {
 			bnx2_set_mac_addr(bp, ha->addr,
 					  i + BNX2_START_UNICAST_ADDRESS_INDEX);
 			sort_mode |= (1 <<
@@ -4941,7 +4940,7 @@ bnx2_init_chip(struct bnx2 *bp)
 		      BNX2_HC_CONFIG_COLLECT_STATS;
 	}
 
-	if (bp->irq_nvecs > 1) {
+	if (bp->flags & BNX2_FLAG_USING_MSIX) {
 		REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
 		       BNX2_HC_MSIX_BIT_VECTOR_VAL);
 
@@ -6145,6 +6144,10 @@ bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
 	REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
 	REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
 
+	/*  Need to flush the previous three writes to ensure MSI-X
+	 *  is setup properly */
+	REG_RD(bp, BNX2_PCI_MSIX_CONTROL);
+
 	for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
 		msix_ent[i].entry = i;
 		msix_ent[i].vector = 0;
@@ -6227,6 +6230,8 @@ bnx2_open(struct net_device *dev)
 
 	atomic_set(&bp->intr_sem, 0);
 
+	memset(bp->temp_stats_blk, 0, sizeof(struct statistics_block));
+
 	bnx2_enable_int(bp);
 
 	if (bp->flags & BNX2_FLAG_USING_MSI) {
@@ -6538,92 +6543,121 @@ bnx2_close(struct net_device *dev)
 	return 0;
 }
 
-#define GET_NET_STATS64(ctr)					\
+static void
+bnx2_save_stats(struct bnx2 *bp)
+{
+	u32 *hw_stats = (u32 *) bp->stats_blk;
+	u32 *temp_stats = (u32 *) bp->temp_stats_blk;
+	int i;
+
+	/* The 1st 10 counters are 64-bit counters */
+	for (i = 0; i < 20; i += 2) {
+		u32 hi;
+		u64 lo;
+
+		hi = temp_stats[i] + hw_stats[i];
+		lo = (u64) temp_stats[i + 1] + (u64) hw_stats[i + 1];
+		if (lo > 0xffffffff)
+			hi++;
+		temp_stats[i] = hi;
+		temp_stats[i + 1] = lo & 0xffffffff;
+	}
+
+	for ( ; i < sizeof(struct statistics_block) / 4; i++)
+		temp_stats[i] += hw_stats[i];
+}
+
+#define GET_64BIT_NET_STATS64(ctr)				\
 	(unsigned long) ((unsigned long) (ctr##_hi) << 32) +	\
 	(unsigned long) (ctr##_lo)
 
-#define GET_NET_STATS32(ctr)		\
+#define GET_64BIT_NET_STATS32(ctr)				\
 	(ctr##_lo)
 
 #if (BITS_PER_LONG == 64)
-#define GET_NET_STATS	GET_NET_STATS64
+#define GET_64BIT_NET_STATS(ctr)				\
+	GET_64BIT_NET_STATS64(bp->stats_blk->ctr) +		\
+	GET_64BIT_NET_STATS64(bp->temp_stats_blk->ctr)
 #else
-#define GET_NET_STATS	GET_NET_STATS32
+#define GET_64BIT_NET_STATS(ctr)				\
+	GET_64BIT_NET_STATS32(bp->stats_blk->ctr) +		\
+	GET_64BIT_NET_STATS32(bp->temp_stats_blk->ctr)
 #endif
 
+#define GET_32BIT_NET_STATS(ctr)				\
+	(unsigned long) (bp->stats_blk->ctr +			\
+			 bp->temp_stats_blk->ctr)
+
 static struct net_device_stats *
 bnx2_get_stats(struct net_device *dev)
 {
 	struct bnx2 *bp = netdev_priv(dev);
-	struct statistics_block *stats_blk = bp->stats_blk;
 	struct net_device_stats *net_stats = &dev->stats;
 
 	if (bp->stats_blk == NULL) {
 		return net_stats;
 	}
 	net_stats->rx_packets =
-		GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
-		GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
-		GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
+		GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) +
+		GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts) +
+		GET_64BIT_NET_STATS(stat_IfHCInBroadcastPkts);
 
 	net_stats->tx_packets =
-		GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
-		GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
-		GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
+		GET_64BIT_NET_STATS(stat_IfHCOutUcastPkts) +
+		GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts) +
+		GET_64BIT_NET_STATS(stat_IfHCOutBroadcastPkts);
 
 	net_stats->rx_bytes =
-		GET_NET_STATS(stats_blk->stat_IfHCInOctets);
+		GET_64BIT_NET_STATS(stat_IfHCInOctets);
 
 	net_stats->tx_bytes =
-		GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
+		GET_64BIT_NET_STATS(stat_IfHCOutOctets);
 
 	net_stats->multicast =
-		GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
+		GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts);
 
 	net_stats->collisions =
-		(unsigned long) stats_blk->stat_EtherStatsCollisions;
+		GET_32BIT_NET_STATS(stat_EtherStatsCollisions);
 
 	net_stats->rx_length_errors =
-		(unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
-		stats_blk->stat_EtherStatsOverrsizePkts);
+		GET_32BIT_NET_STATS(stat_EtherStatsUndersizePkts) +
+		GET_32BIT_NET_STATS(stat_EtherStatsOverrsizePkts);
 
 	net_stats->rx_over_errors =
-		(unsigned long) (stats_blk->stat_IfInFTQDiscards +
-		stats_blk->stat_IfInMBUFDiscards);
+		GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
+		GET_32BIT_NET_STATS(stat_IfInMBUFDiscards);
 
 	net_stats->rx_frame_errors =
-		(unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
+		GET_32BIT_NET_STATS(stat_Dot3StatsAlignmentErrors);
 
 	net_stats->rx_crc_errors =
-		(unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
+		GET_32BIT_NET_STATS(stat_Dot3StatsFCSErrors);
 
 	net_stats->rx_errors = net_stats->rx_length_errors +
 		net_stats->rx_over_errors + net_stats->rx_frame_errors +
 		net_stats->rx_crc_errors;
 
 	net_stats->tx_aborted_errors =
-    		(unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
-		stats_blk->stat_Dot3StatsLateCollisions);
+		GET_32BIT_NET_STATS(stat_Dot3StatsExcessiveCollisions) +
+		GET_32BIT_NET_STATS(stat_Dot3StatsLateCollisions);
 
 	if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
 	    (CHIP_ID(bp) == CHIP_ID_5708_A0))
 		net_stats->tx_carrier_errors = 0;
 	else {
 		net_stats->tx_carrier_errors =
-			(unsigned long)
-			stats_blk->stat_Dot3StatsCarrierSenseErrors;
+			GET_32BIT_NET_STATS(stat_Dot3StatsCarrierSenseErrors);
 	}
 
 	net_stats->tx_errors =
-    		(unsigned long)
-		stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
-		+
+		GET_32BIT_NET_STATS(stat_emac_tx_stat_dot3statsinternalmactransmiterrors) +
 		net_stats->tx_aborted_errors +
 		net_stats->tx_carrier_errors;
 
 	net_stats->rx_missed_errors =
-		(unsigned long) (stats_blk->stat_IfInFTQDiscards +
-		stats_blk->stat_IfInMBUFDiscards + stats_blk->stat_FwRxDrop);
+		GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
+		GET_32BIT_NET_STATS(stat_IfInMBUFDiscards) +
+		GET_32BIT_NET_STATS(stat_FwRxDrop);
 
 	return net_stats;
 }
@@ -6717,32 +6751,15 @@ bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 	if (cmd->autoneg == AUTONEG_ENABLE) {
 		autoneg |= AUTONEG_SPEED;
 
-		cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
-
-		/* allow advertising 1 speed */
-		if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
-			(cmd->advertising == ADVERTISED_10baseT_Full) ||
-			(cmd->advertising == ADVERTISED_100baseT_Half) ||
-			(cmd->advertising == ADVERTISED_100baseT_Full)) {
-
-			if (cmd->port == PORT_FIBRE)
-				goto err_out_unlock;
-
-			advertising = cmd->advertising;
-
-		} else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
-			if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
-			    (cmd->port == PORT_TP))
-				goto err_out_unlock;
-		} else if (cmd->advertising == ADVERTISED_1000baseT_Full)
-			advertising = cmd->advertising;
-		else if (cmd->advertising == ADVERTISED_1000baseT_Half)
-			goto err_out_unlock;
-		else {
-			if (cmd->port == PORT_FIBRE)
-				advertising = ETHTOOL_ALL_FIBRE_SPEED;
-			else
+		advertising = cmd->advertising;
+		if (cmd->port == PORT_TP) {
+			advertising &= ETHTOOL_ALL_COPPER_SPEED;
+			if (!advertising)
 				advertising = ETHTOOL_ALL_COPPER_SPEED;
+		} else {
+			advertising &= ETHTOOL_ALL_FIBRE_SPEED;
+			if (!advertising)
+				advertising = ETHTOOL_ALL_FIBRE_SPEED;
 		}
 		advertising |= ADVERTISED_Autoneg;
 	}
@@ -7083,6 +7100,9 @@ static int
 bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
 {
 	if (netif_running(bp->dev)) {
+		/* Reset will erase chipset stats; save them */
+		bnx2_save_stats(bp);
+
 		bnx2_netif_stop(bp);
 		bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
 		bnx2_free_skbs(bp);
@@ -7104,6 +7124,13 @@ bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
 			dev_close(bp->dev);
 			return rc;
 		}
+#ifdef BCM_CNIC
+		mutex_lock(&bp->cnic_lock);
+		/* Let cnic know about the new status block. */
+		if (bp->cnic_eth_dev.drv_state & CNIC_DRV_STATE_REGD)
+			bnx2_setup_cnic_irq_info(bp);
+		mutex_unlock(&bp->cnic_lock);
+#endif
 		bnx2_netif_start(bp);
 	}
 	return 0;
@@ -7427,6 +7454,7 @@ bnx2_get_ethtool_stats(struct net_device *dev,
 	struct bnx2 *bp = netdev_priv(dev);
 	int i;
 	u32 *hw_stats = (u32 *) bp->stats_blk;
+	u32 *temp_stats = (u32 *) bp->temp_stats_blk;
 	u8 *stats_len_arr = NULL;
 
 	if (hw_stats == NULL) {
@@ -7443,21 +7471,26 @@ bnx2_get_ethtool_stats(struct net_device *dev,
 		stats_len_arr = bnx2_5708_stats_len_arr;
 
 	for (i = 0; i < BNX2_NUM_STATS; i++) {
+		unsigned long offset;
+
 		if (stats_len_arr[i] == 0) {
 			/* skip this counter */
 			buf[i] = 0;
 			continue;
 		}
+
+		offset = bnx2_stats_offset_arr[i];
 		if (stats_len_arr[i] == 4) {
 			/* 4-byte counter */
-			buf[i] = (u64)
-				*(hw_stats + bnx2_stats_offset_arr[i]);
+			buf[i] = (u64) *(hw_stats + offset) +
+				 *(temp_stats + offset);
 			continue;
 		}
 		/* 8-byte counter */
-		buf[i] = (((u64) *(hw_stats +
-					bnx2_stats_offset_arr[i])) << 32) +
-				*(hw_stats + bnx2_stats_offset_arr[i] + 1);
+		buf[i] = (((u64) *(hw_stats + offset)) << 32) +
+			 *(hw_stats + offset + 1) +
+			 (((u64) *(temp_stats + offset)) << 32) +
+			 *(temp_stats + offset + 1);
 	}
 }
 
@@ -7625,7 +7658,7 @@ bnx2_change_mtu(struct net_device *dev, int new_mtu)
 	return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
 }
 
-#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
+#ifdef CONFIG_NET_POLL_CONTROLLER
 static void
 poll_bnx2(struct net_device *dev)
 {
@@ -7825,6 +7858,14 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
 	bp->flags = 0;
 	bp->phy_flags = 0;
 
+	bp->temp_stats_blk =
+		kzalloc(sizeof(struct statistics_block), GFP_KERNEL);
+
+	if (bp->temp_stats_blk == NULL) {
+		rc = -ENOMEM;
+		goto err_out;
+	}
+
 	/* enable device (incl. PCI PM wakeup), and bus-mastering */
 	rc = pci_enable_device(pdev);
 	if (rc) {
@@ -8229,7 +8270,7 @@ static const struct net_device_ops bnx2_netdev_ops = {
 #ifdef BCM_VLAN
 	.ndo_vlan_rx_register	= bnx2_vlan_rx_register,
 #endif
-#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
+#ifdef CONFIG_NET_POLL_CONTROLLER
 	.ndo_poll_controller	= poll_bnx2,
 #endif
 };
@@ -8346,6 +8387,8 @@ bnx2_remove_one(struct pci_dev *pdev)
 	if (bp->regview)
 		iounmap(bp->regview);
 
+	kfree(bp->temp_stats_blk);
+
 	free_netdev(dev);
 	pci_release_regions(pdev);
 	pci_disable_device(pdev);