diff options
Diffstat (limited to 'drivers/net/e1000/e1000_ethtool.c')
| -rw-r--r-- | drivers/net/e1000/e1000_ethtool.c | 1863 |
1 files changed, 0 insertions, 1863 deletions
diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c deleted file mode 100644 index 5548d464261a..000000000000 --- a/drivers/net/e1000/e1000_ethtool.c +++ /dev/null @@ -1,1863 +0,0 @@ -/******************************************************************************* - - Intel PRO/1000 Linux driver - Copyright(c) 1999 - 2006 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - Linux NICS <linux.nics@intel.com> - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -/* ethtool support for e1000 */ - -#include "e1000.h" -#include <asm/uaccess.h> - -enum {NETDEV_STATS, E1000_STATS}; - -struct e1000_stats { - char stat_string[ETH_GSTRING_LEN]; - int type; - int sizeof_stat; - int stat_offset; -}; - -#define E1000_STAT(m) E1000_STATS, \ - sizeof(((struct e1000_adapter *)0)->m), \ - offsetof(struct e1000_adapter, m) -#define E1000_NETDEV_STAT(m) NETDEV_STATS, \ - sizeof(((struct net_device *)0)->m), \ - offsetof(struct net_device, m) - -static const struct e1000_stats e1000_gstrings_stats[] = { - { "rx_packets", E1000_STAT(stats.gprc) }, - { "tx_packets", E1000_STAT(stats.gptc) }, - { "rx_bytes", E1000_STAT(stats.gorcl) }, - { "tx_bytes", E1000_STAT(stats.gotcl) }, - { "rx_broadcast", E1000_STAT(stats.bprc) }, - { "tx_broadcast", E1000_STAT(stats.bptc) }, - { "rx_multicast", E1000_STAT(stats.mprc) }, - { "tx_multicast", E1000_STAT(stats.mptc) }, - { "rx_errors", E1000_STAT(stats.rxerrc) }, - { "tx_errors", E1000_STAT(stats.txerrc) }, - { "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) }, - { "multicast", E1000_STAT(stats.mprc) }, - { "collisions", E1000_STAT(stats.colc) }, - { "rx_length_errors", E1000_STAT(stats.rlerrc) }, - { "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) }, - { "rx_crc_errors", E1000_STAT(stats.crcerrs) }, - { "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) }, - { "rx_no_buffer_count", E1000_STAT(stats.rnbc) }, - { "rx_missed_errors", E1000_STAT(stats.mpc) }, - { "tx_aborted_errors", E1000_STAT(stats.ecol) }, - { "tx_carrier_errors", E1000_STAT(stats.tncrs) }, - { "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) }, - { "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) }, - { "tx_window_errors", E1000_STAT(stats.latecol) }, - { "tx_abort_late_coll", E1000_STAT(stats.latecol) }, - { "tx_deferred_ok", E1000_STAT(stats.dc) }, - { "tx_single_coll_ok", E1000_STAT(stats.scc) }, - { "tx_multi_coll_ok", E1000_STAT(stats.mcc) }, - { "tx_timeout_count", E1000_STAT(tx_timeout_count) }, - { "tx_restart_queue", E1000_STAT(restart_queue) }, - { "rx_long_length_errors", E1000_STAT(stats.roc) }, - { "rx_short_length_errors", E1000_STAT(stats.ruc) }, - { "rx_align_errors", E1000_STAT(stats.algnerrc) }, - { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) }, - { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) }, - { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) }, - { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) }, - { "tx_flow_control_xon", E1000_STAT(stats.xontxc) }, - { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) }, - { "rx_long_byte_count", E1000_STAT(stats.gorcl) }, - { "rx_csum_offload_good", E1000_STAT(hw_csum_good) }, - { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) }, - { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) }, - { "tx_smbus", E1000_STAT(stats.mgptc) }, - { "rx_smbus", E1000_STAT(stats.mgprc) }, - { "dropped_smbus", E1000_STAT(stats.mgpdc) }, -}; - -#define E1000_QUEUE_STATS_LEN 0 -#define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats) -#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN) -static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = { - "Register test (offline)", "Eeprom test (offline)", - "Interrupt test (offline)", "Loopback test (offline)", - "Link test (on/offline)" -}; -#define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test) - -static int e1000_get_settings(struct net_device *netdev, - struct ethtool_cmd *ecmd) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - struct e1000_hw *hw = &adapter->hw; - - if (hw->media_type == e1000_media_type_copper) { - - ecmd->supported = (SUPPORTED_10baseT_Half | - SUPPORTED_10baseT_Full | - SUPPORTED_100baseT_Half | - SUPPORTED_100baseT_Full | - SUPPORTED_1000baseT_Full| - SUPPORTED_Autoneg | - SUPPORTED_TP); - ecmd->advertising = ADVERTISED_TP; - - if (hw->autoneg == 1) { - ecmd->advertising |= ADVERTISED_Autoneg; - /* the e1000 autoneg seems to match ethtool nicely */ - ecmd->advertising |= hw->autoneg_advertised; - } - - ecmd->port = PORT_TP; - ecmd->phy_address = hw->phy_addr; - - if (hw->mac_type == e1000_82543) - ecmd->transceiver = XCVR_EXTERNAL; - else - ecmd->transceiver = XCVR_INTERNAL; - - } else { - ecmd->supported = (SUPPORTED_1000baseT_Full | - SUPPORTED_FIBRE | - SUPPORTED_Autoneg); - - ecmd->advertising = (ADVERTISED_1000baseT_Full | - ADVERTISED_FIBRE | - ADVERTISED_Autoneg); - - ecmd->port = PORT_FIBRE; - - if (hw->mac_type >= e1000_82545) - ecmd->transceiver = XCVR_INTERNAL; - else - ecmd->transceiver = XCVR_EXTERNAL; - } - - if (er32(STATUS) & E1000_STATUS_LU) { - - e1000_get_speed_and_duplex(hw, &adapter->link_speed, - &adapter->link_duplex); - ethtool_cmd_speed_set(ecmd, adapter->link_speed); - - /* unfortunately FULL_DUPLEX != DUPLEX_FULL - * and HALF_DUPLEX != DUPLEX_HALF */ - - if (adapter->link_duplex == FULL_DUPLEX) - ecmd->duplex = DUPLEX_FULL; - else - ecmd->duplex = DUPLEX_HALF; - } else { - ethtool_cmd_speed_set(ecmd, -1); - ecmd->duplex = -1; - } - - ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) || - hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE; - return 0; -} - -static int e1000_set_settings(struct net_device *netdev, - struct ethtool_cmd *ecmd) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - struct e1000_hw *hw = &adapter->hw; - - while (test_and_set_bit(__E1000_RESETTING, &adapter->flags)) - msleep(1); - - if (ecmd->autoneg == AUTONEG_ENABLE) { - hw->autoneg = 1; - if (hw->media_type == e1000_media_type_fiber) - hw->autoneg_advertised = ADVERTISED_1000baseT_Full | - ADVERTISED_FIBRE | - ADVERTISED_Autoneg; - else - hw->autoneg_advertised = ecmd->advertising | - ADVERTISED_TP | - ADVERTISED_Autoneg; - ecmd->advertising = hw->autoneg_advertised; - } else { - u32 speed = ethtool_cmd_speed(ecmd); - if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) { - clear_bit(__E1000_RESETTING, &adapter->flags); - return -EINVAL; - } - } - - /* reset the link */ - - if (netif_running(adapter->netdev)) { - e1000_down(adapter); - e1000_up(adapter); - } else - e1000_reset(adapter); - - clear_bit(__E1000_RESETTING, &adapter->flags); - return 0; -} - -static u32 e1000_get_link(struct net_device *netdev) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - - /* - * If the link is not reported up to netdev, interrupts are disabled, - * and so the physical link state may have changed since we last - * looked. Set get_link_status to make sure that the true link - * state is interrogated, rather than pulling a cached and possibly - * stale link state from the driver. - */ - if (!netif_carrier_ok(netdev)) - adapter->hw.get_link_status = 1; - - return e1000_has_link(adapter); -} - -static void e1000_get_pauseparam(struct net_device *netdev, - struct ethtool_pauseparam *pause) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - struct e1000_hw *hw = &adapter->hw; - - pause->autoneg = - (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE); - - if (hw->fc == E1000_FC_RX_PAUSE) - pause->rx_pause = 1; - else if (hw->fc == E1000_FC_TX_PAUSE) - pause->tx_pause = 1; - else if (hw->fc == E1000_FC_FULL) { - pause->rx_pause = 1; - pause->tx_pause = 1; - } -} - -static int e1000_set_pauseparam(struct net_device *netdev, - struct ethtool_pauseparam *pause) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - struct e1000_hw *hw = &adapter->hw; - int retval = 0; - - adapter->fc_autoneg = pause->autoneg; - - while (test_and_set_bit(__E1000_RESETTING, &adapter->flags)) - msleep(1); - - if (pause->rx_pause && pause->tx_pause) - hw->fc = E1000_FC_FULL; - else if (pause->rx_pause && !pause->tx_pause) - hw->fc = E1000_FC_RX_PAUSE; - else if (!pause->rx_pause && pause->tx_pause) - hw->fc = E1000_FC_TX_PAUSE; - else if (!pause->rx_pause && !pause->tx_pause) - hw->fc = E1000_FC_NONE; - - hw->original_fc = hw->fc; - - if (adapter->fc_autoneg == AUTONEG_ENABLE) { - if (netif_running(adapter->netdev)) { - e1000_down(adapter); - e1000_up(adapter); - } else - e1000_reset(adapter); - } else - retval = ((hw->media_type == e1000_media_type_fiber) ? - e1000_setup_link(hw) : e1000_force_mac_fc(hw)); - - clear_bit(__E1000_RESETTING, &adapter->flags); - return retval; -} - -static u32 e1000_get_msglevel(struct net_device *netdev) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - return adapter->msg_enable; -} - -static void e1000_set_msglevel(struct net_device *netdev, u32 data) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - adapter->msg_enable = data; -} - -static int e1000_get_regs_len(struct net_device *netdev) -{ -#define E1000_REGS_LEN 32 - return E1000_REGS_LEN * sizeof(u32); -} - -static void e1000_get_regs(struct net_device *netdev, struct ethtool_regs *regs, - void *p) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - struct e1000_hw *hw = &adapter->hw; - u32 *regs_buff = p; - u16 phy_data; - - memset(p, 0, E1000_REGS_LEN * sizeof(u32)); - - regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id; - - regs_buff[0] = er32(CTRL); - regs_buff[1] = er32(STATUS); - - regs_buff[2] = er32(RCTL); - regs_buff[3] = er32(RDLEN); - regs_buff[4] = er32(RDH); - regs_buff[5] = er32(RDT); - regs_buff[6] = er32(RDTR); - - regs_buff[7] = er32(TCTL); - regs_buff[8] = er32(TDLEN); - regs_buff[9] = er32(TDH); - regs_buff[10] = er32(TDT); - regs_buff[11] = er32(TIDV); - - regs_buff[12] = hw->phy_type; /* PHY type (IGP=1, M88=0) */ - if (hw->phy_type == e1000_phy_igp) { - e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, - IGP01E1000_PHY_AGC_A); - e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A & - IGP01E1000_PHY_PAGE_SELECT, &phy_data); - regs_buff[13] = (u32)phy_data; /* cable length */ - e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, - IGP01E1000_PHY_AGC_B); - e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B & - IGP01E1000_PHY_PAGE_SELECT, &phy_data); - regs_buff[14] = (u32)phy_data; /* cable length */ - e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, - IGP01E1000_PHY_AGC_C); - e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C & - IGP01E1000_PHY_PAGE_SELECT, &phy_data); - regs_buff[15] = (u32)phy_data; /* cable length */ - e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, - IGP01E1000_PHY_AGC_D); - e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D & - IGP01E1000_PHY_PAGE_SELECT, &phy_data); - regs_buff[16] = (u32)phy_data; /* cable length */ - regs_buff[17] = 0; /* extended 10bt distance (not needed) */ - e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0); - e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS & - IGP01E1000_PHY_PAGE_SELECT, &phy_data); - regs_buff[18] = (u32)phy_data; /* cable polarity */ - e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, - IGP01E1000_PHY_PCS_INIT_REG); - e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG & - IGP01E1000_PHY_PAGE_SELECT, &phy_data); - regs_buff[19] = (u32)phy_data; /* cable polarity */ - regs_buff[20] = 0; /* polarity correction enabled (always) */ - regs_buff[22] = 0; /* phy receive errors (unavailable) */ - regs_buff[23] = regs_buff[18]; /* mdix mode */ - e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0); - } else { - e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); - regs_buff[13] = (u32)phy_data; /* cable length */ - regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */ - regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */ - regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */ - e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); - regs_buff[17] = (u32)phy_data; /* extended 10bt distance */ - regs_buff[18] = regs_buff[13]; /* cable polarity */ - regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */ - regs_buff[20] = regs_buff[17]; /* polarity correction */ - /* phy receive errors */ - regs_buff[22] = adapter->phy_stats.receive_errors; - regs_buff[23] = regs_buff[13]; /* mdix mode */ - } - regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */ - e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data); - regs_buff[24] = (u32)phy_data; /* phy local receiver status */ - regs_buff[25] = regs_buff[24]; /* phy remote receiver status */ - if (hw->mac_type >= e1000_82540 && - hw->media_type == e1000_media_type_copper) { - regs_buff[26] = er32(MANC); - } -} - -static int e1000_get_eeprom_len(struct net_device *netdev) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - struct e1000_hw *hw = &adapter->hw; - - return hw->eeprom.word_size * 2; -} - -static int e1000_get_eeprom(struct net_device *netdev, - struct ethtool_eeprom *eeprom, u8 *bytes) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - struct e1000_hw *hw = &adapter->hw; - u16 *eeprom_buff; - int first_word, last_word; - int ret_val = 0; - u16 i; - - if (eeprom->len == 0) - return -EINVAL; - - eeprom->magic = hw->vendor_id | (hw->device_id << 16); - - first_word = eeprom->offset >> 1; - last_word = (eeprom->offset + eeprom->len - 1) >> 1; - - eeprom_buff = kmalloc(sizeof(u16) * - (last_word - first_word + 1), GFP_KERNEL); - if (!eeprom_buff) - return -ENOMEM; - - if (hw->eeprom.type == e1000_eeprom_spi) - ret_val = e1000_read_eeprom(hw, first_word, - last_word - first_word + 1, - eeprom_buff); - else { - for (i = 0; i < last_word - first_word + 1; i++) { - ret_val = e1000_read_eeprom(hw, first_word + i, 1, - &eeprom_buff[i]); - if (ret_val) - break; - } - } - - /* Device's eeprom is always little-endian, word addressable */ - for (i = 0; i < last_word - first_word + 1; i++) - le16_to_cpus(&eeprom_buff[i]); - - memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), - eeprom->len); - kfree(eeprom_buff); - - return ret_val; -} - -static int e1000_set_eeprom(struct net_device *netdev, - struct ethtool_eeprom *eeprom, u8 *bytes) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - struct e1000_hw *hw = &adapter->hw; - u16 *eeprom_buff; - void *ptr; - int max_len, first_word, last_word, ret_val = 0; - u16 i; - - if (eeprom->len == 0) - return -EOPNOTSUPP; - - if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16))) - return -EFAULT; - - max_len = hw->eeprom.word_size * 2; - - first_word = eeprom->offset >> 1; - last_word = (eeprom->offset + eeprom->len - 1) >> 1; - eeprom_buff = kmalloc(max_len, GFP_KERNEL); - if (!eeprom_buff) - return -ENOMEM; - - ptr = (void *)eeprom_buff; - - if (eeprom->offset & 1) { - /* need read/modify/write of first changed EEPROM word */ - /* only the second byte of the word is being modified */ - ret_val = e1000_read_eeprom(hw, first_word, 1, - &eeprom_buff[0]); - ptr++; - } - if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) { - /* need read/modify/write of last changed EEPROM word */ - /* only the first byte of the word is being modified */ - ret_val = e1000_read_eeprom(hw, last_word, 1, - &eeprom_buff[last_word - first_word]); - } - - /* Device's eeprom is always little-endian, word addressable */ - for (i = 0; i < last_word - first_word + 1; i++) - le16_to_cpus(&eeprom_buff[i]); - - memcpy(ptr, bytes, eeprom->len); - - for (i = 0; i < last_word - first_word + 1; i++) - eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]); - - ret_val = e1000_write_eeprom(hw, first_word, - last_word - first_word + 1, eeprom_buff); - - /* Update the checksum over the first part of the EEPROM if needed */ - if ((ret_val == 0) && (first_word <= EEPROM_CHECKSUM_REG)) - e1000_update_eeprom_checksum(hw); - - kfree(eeprom_buff); - return ret_val; -} - -static void e1000_get_drvinfo(struct net_device *netdev, - struct ethtool_drvinfo *drvinfo) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - char firmware_version[32]; - - strncpy(drvinfo->driver, e1000_driver_name, 32); - strncpy(drvinfo->version, e1000_driver_version, 32); - - sprintf(firmware_version, "N/A"); - strncpy(drvinfo->fw_version, firmware_version, 32); - strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); - drvinfo->regdump_len = e1000_get_regs_len(netdev); - drvinfo->eedump_len = e1000_get_eeprom_len(netdev); -} - -static void e1000_get_ringparam(struct net_device *netdev, - struct ethtool_ringparam *ring) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - struct e1000_hw *hw = &adapter->hw; - e1000_mac_type mac_type = hw->mac_type; - struct e1000_tx_ring *txdr = adapter->tx_ring; - struct e1000_rx_ring *rxdr = adapter->rx_ring; - - ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD : - E1000_MAX_82544_RXD; - ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD : - E1000_MAX_82544_TXD; - ring->rx_mini_max_pending = 0; - ring->rx_jumbo_max_pending = 0; - ring->rx_pending = rxdr->count; - ring->tx_pending = txdr->count; - ring->rx_mini_pending = 0; - ring->rx_jumbo_pending = 0; -} - -static int e1000_set_ringparam(struct net_device *netdev, - struct ethtool_ringparam *ring) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - struct e1000_hw *hw = &adapter->hw; - e1000_mac_type mac_type = hw->mac_type; - struct e1000_tx_ring *txdr, *tx_old; - struct e1000_rx_ring *rxdr, *rx_old; - int i, err; - - if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) - return -EINVAL; - - while (test_and_set_bit(__E1000_RESETTING, &adapter->flags)) - msleep(1); - - if (netif_running(adapter->netdev)) - e1000_down(adapter); - - tx_old = adapter->tx_ring; - rx_old = adapter->rx_ring; - - err = -ENOMEM; - txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring), GFP_KERNEL); - if (!txdr) - goto err_alloc_tx; - - rxdr = kcalloc(adapter->num_rx_queues, sizeof(struct e1000_rx_ring), GFP_KERNEL); - if (!rxdr) - goto err_alloc_rx; - - adapter->tx_ring = txdr; - adapter->rx_ring = rxdr; - - rxdr->count = max(ring->rx_pending,(u32)E1000_MIN_RXD); - rxdr->count = min(rxdr->count,(u32)(mac_type < e1000_82544 ? - E1000_MAX_RXD : E1000_MAX_82544_RXD)); - rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE); - - txdr->count = max(ring->tx_pending,(u32)E1000_MIN_TXD); - txdr->count = min(txdr->count,(u32)(mac_type < e1000_82544 ? - E1000_MAX_TXD : E1000_MAX_82544_TXD)); - txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE); - - for (i = 0; i < adapter->num_tx_queues; i++) - txdr[i].count = txdr->count; - for (i = 0; i < adapter->num_rx_queues; i++) - rxdr[i].count = rxdr->count; - - if (netif_running(adapter->netdev)) { - /* Try to get new resources before deleting old */ - err = e1000_setup_all_rx_resources(adapter); - if (err) - goto err_setup_rx; - err = e1000_setup_all_tx_resources(adapter); - if (err) - goto err_setup_tx; - - /* save the new, restore the old in order to free it, - * then restore the new back again */ - - adapter->rx_ring = rx_old; - adapter->tx_ring = tx_old; - e1000_free_all_rx_resources(adapter); - e1000_free_all_tx_resources(adapter); - kfree(tx_old); - kfree(rx_old); - adapter->rx_ring = rxdr; - adapter->tx_ring = txdr; - err = e1000_up(adapter); - if (err) - goto err_setup; - } - - clear_bit(__E1000_RESETTING, &adapter->flags); - return 0; -err_setup_tx: - e1000_free_all_rx_resources(adapter); -err_setup_rx: - adapter->rx_ring = rx_old; - adapter->tx_ring = tx_old; - kfree(rxdr); -err_alloc_rx: - kfree(txdr); -err_alloc_tx: - e1000_up(adapter); -err_setup: - clear_bit(__E1000_RESETTING, &adapter->flags); - return err; -} - -static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, int reg, - u32 mask, u32 write) -{ - struct e1000_hw *hw = &adapter->hw; - static const u32 test[] = - {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; - u8 __iomem *address = hw->hw_addr + reg; - u32 read; - int i; - - for (i = 0; i < ARRAY_SIZE(test); i++) { - writel(write & test[i], address); - read = readl(address); - if (read != (write & test[i] & mask)) { - e_err(drv, "pattern test reg %04X failed: " - "got 0x%08X expected 0x%08X\n", - reg, read, (write & test[i] & mask)); - *data = reg; - return true; - } - } - return false; -} - -static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, int reg, - u32 mask, u32 write) -{ - struct e1000_hw *hw = &adapter->hw; - u8 __iomem *address = hw->hw_addr + reg; - u32 read; - - writel(write & mask, address); - read = readl(address); - if ((read & mask) != (write & mask)) { - e_err(drv, "set/check reg %04X test failed: " - "got 0x%08X expected 0x%08X\n", - reg, (read & mask), (write & mask)); - *data = reg; - return true; - } - return false; -} - -#define REG_PATTERN_TEST(reg, mask, write) \ - do { \ - if (reg_pattern_test(adapter, data, \ - (hw->mac_type >= e1000_82543) \ - ? E1000_##reg : E1000_82542_##reg, \ - mask, write)) \ - return 1; \ - } while (0) - -#define REG_SET_AND_CHECK(reg, mask, write) \ - do { \ - if (reg_set_and_check(adapter, data, \ - (hw->mac_type >= e1000_82543) \ - ? E1000_##reg : E1000_82542_##reg, \ - mask, write)) \ - return 1; \ - } while (0) - -static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) -{ - u32 value, before, after; - u32 i, toggle; - struct e1000_hw *hw = &adapter->hw; - - /* The status register is Read Only, so a write should fail. - * Some bits that get toggled are ignored. - */ - - /* there are several bits on newer hardware that are r/w */ - toggle = 0xFFFFF833; - - before = er32(STATUS); - value = (er32(STATUS) & toggle); - ew32(STATUS, toggle); - after = er32(STATUS) & toggle; - if (value != after) { - e_err(drv, "failed STATUS register test got: " - "0x%08X expected: 0x%08X\n", after, value); - *data = 1; - return 1; - } - /* restore previous status */ - ew32(STATUS, before); - - REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF); - REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF); - REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF); - REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF); - - REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF); - REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF); - REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF); - REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF); - REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF); - REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8); - REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF); - REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF); - REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF); - REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF); - - REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000); - - before = 0x06DFB3FE; - REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB); - REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000); - - if (hw->mac_type >= e1000_82543) { - - REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF); - REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF); - REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF); - REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF); - REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF); - value = E1000_RAR_ENTRIES; - for (i = 0; i < value; i++) { - REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF, - 0xFFFFFFFF); - } - - } else { - - REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF); - REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF); - REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF); - REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF); - - } - - value = E1000_MC_TBL_SIZE; - for (i = 0; i < value; i++) - REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF); - - *data = 0; - return 0; -} - -static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data) -{ - struct e1000_hw *hw = &adapter->hw; - u16 temp; - u16 checksum = 0; - u16 i; - - *data = 0; - /* Read and add up the contents of the EEPROM */ - for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) { - if ((e1000_read_eeprom(hw, i, 1, &temp)) < 0) { - *data = 1; - break; - } - checksum += temp; - } - - /* If Checksum is not Correct return error else test passed */ - if ((checksum != (u16)EEPROM_SUM) && !(*data)) - *data = 2; - - return *data; -} - -static irqreturn_t e1000_test_intr(int irq, void *data) -{ - struct net_device *netdev = (struct net_device *)data; - struct e1000_adapter *adapter = netdev_priv(netdev); - struct e1000_hw *hw = &adapter->hw; - - adapter->test_icr |= er32(ICR); - - return IRQ_HANDLED; -} - -static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data) -{ - struct net_device *netdev = adapter->netdev; - u32 mask, i = 0; - bool shared_int = true; - u32 irq = adapter->pdev->irq; - struct e1000_hw *hw = &adapter->hw; - - *data = 0; - - /* NOTE: we don't test MSI interrupts here, yet */ - /* Hook up test interrupt handler just for this test */ - if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name, - netdev)) - shared_int = false; - else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, - netdev->name, netdev)) { - *data = 1; - return -1; - } - e_info(hw, "testing %s interrupt\n", (shared_int ? - "shared" : "unshared")); - - /* Disable all the interrupts */ - ew32(IMC, 0xFFFFFFFF); - E1000_WRITE_FLUSH(); - msleep(10); - - /* Test each interrupt */ - for (; i < 10; i++) { - - /* Interrupt to test */ - mask = 1 << i; - - if (!shared_int) { - /* Disable the interrupt to be reported in - * the cause register and then force the same - * interrupt and see if one gets posted. If - * an interrupt was posted to the bus, the - * test failed. - */ - adapter->test_icr = 0; - ew32(IMC, mask); - ew32(ICS, mask); - E1000_WRITE_FLUSH(); - msleep(10); - - if (adapter->test_icr & mask) { - *data = 3; - break; - } - } - - /* Enable the interrupt to be reported in - * the cause register and then force the same - * interrupt and see if one gets posted. If - * an interrupt was not posted to the bus, the - * test failed. - */ - adapter->test_icr = 0; - ew32(IMS, mask); - ew32(ICS, mask); - E1000_WRITE_FLUSH(); - msleep(10); - - if (!(adapter->test_icr & mask)) { - *data = 4; - break; - } - - if (!shared_int) { - /* Disable the other interrupts to be reported in - * the cause register and then force the other - * interrupts and see if any get posted. If - * an interrupt was posted to the bus, the - * test failed. - */ - adapter->test_icr = 0; - ew32(IMC, ~mask & 0x00007FFF); - ew32(ICS, ~mask & 0x00007FFF); - E1000_WRITE_FLUSH(); - msleep(10); - - if (adapter->test_icr) { - *data = 5; - break; - } - } - } - - /* Disable all the interrupts */ - ew32(IMC, 0xFFFFFFFF); - E1000_WRITE_FLUSH(); - msleep(10); - - /* Unhook test interrupt handler */ - free_irq(irq, netdev); - - return *data; -} - -static void e1000_free_desc_rings(struct e1000_adapter *adapter) -{ - struct e1000_tx_ring *txdr = &adapter->test_tx_ring; - struct e1000_rx_ring *rxdr = &adapter->test_rx_ring; - struct pci_dev *pdev = adapter->pdev; - int i; - - if (txdr->desc && txdr->buffer_info) { - for (i = 0; i < txdr->count; i++) { - if (txdr->buffer_info[i].dma) - dma_unmap_single(&pdev->dev, - txdr->buffer_info[i].dma, - txdr->buffer_info[i].length, - DMA_TO_DEVICE); - if (txdr->buffer_info[i].skb) - dev_kfree_skb(txdr->buffer_info[i].skb); - } - } - - if (rxdr->desc && rxdr->buffer_info) { - for (i = 0; i < rxdr->count; i++) { - if (rxdr->buffer_info[i].dma) - dma_unmap_single(&pdev->dev, - rxdr->buffer_info[i].dma, - rxdr->buffer_info[i].length, - DMA_FROM_DEVICE); - if (rxdr->buffer_info[i].skb) - dev_kfree_skb(rxdr->buffer_info[i].skb); - } - } - - if (txdr->desc) { - dma_free_coherent(&pdev->dev, txdr->size, txdr->desc, - txdr->dma); - txdr->desc = NULL; - } - if (rxdr->desc) { - dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc, - rxdr->dma); - rxdr->desc = NULL; - } - - kfree(txdr->buffer_info); - txdr->buffer_info = NULL; - kfree(rxdr->buffer_info); - rxdr->buffer_info = NULL; -} - -static int e1000_setup_desc_rings(struct e1000_adapter *adapter) -{ - struct e1000_hw *hw = &adapter->hw; - struct e1000_tx_ring *txdr = &adapter->test_tx_ring; - struct e1000_rx_ring *rxdr = &adapter->test_rx_ring; - struct pci_dev *pdev = adapter->pdev; - u32 rctl; - int i, ret_val; - - /* Setup Tx descriptor ring and Tx buffers */ - - if (!txdr->count) - txdr->count = E1000_DEFAULT_TXD; - - txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_buffer), - GFP_KERNEL); - if (!txdr->buffer_info) { - ret_val = 1; - goto err_nomem; - } - - txdr->size = txdr->count * sizeof(struct e1000_tx_desc); - txdr->size = ALIGN(txdr->size, 4096); - txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size, &txdr->dma, - GFP_KERNEL); - if (!txdr->desc) { - ret_val = 2; - goto err_nomem; - } - memset(txdr->desc, 0, txdr->size); - txdr->next_to_use = txdr->next_to_clean = 0; - - ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF)); - ew32(TDBAH, ((u64)txdr->dma >> 32)); - ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc)); - ew32(TDH, 0); - ew32(TDT, 0); - ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | - E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT | - E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT); - - for (i = 0; i < txdr->count; i++) { - struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i); - struct sk_buff *skb; - unsigned int size = 1024; - - skb = alloc_skb(size, GFP_KERNEL); - if (!skb) { - ret_val = 3; - goto err_nomem; - } - skb_put(skb, size); - txdr->buffer_info[i].skb = skb; - txdr->buffer_info[i].length = skb->len; - txdr->buffer_info[i].dma = - dma_map_single(&pdev->dev, skb->data, skb->len, - DMA_TO_DEVICE); - tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma); - tx_desc->lower.data = cpu_to_le32(skb->len); - tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP | - E1000_TXD_CMD_IFCS | - E1000_TXD_CMD_RPS); - tx_desc->upper.data = 0; - } - - /* Setup Rx descriptor ring and Rx buffers */ - - if (!rxdr->count) - rxdr->count = E1000_DEFAULT_RXD; - - rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_buffer), - GFP_KERNEL); - if (!rxdr->buffer_info) { - ret_val = 4; - goto err_nomem; - } - - rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc); - rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma, - GFP_KERNEL); - if (!rxdr->desc) { - ret_val = 5; - goto err_nomem; - } - memset(rxdr->desc, 0, rxdr->size); - rxdr->next_to_use = rxdr->next_to_clean = 0; - - rctl = er32(RCTL); - ew32(RCTL, rctl & ~E1000_RCTL_EN); - ew32(RDBAL, ((u64)rxdr->dma & 0xFFFFFFFF)); - ew32(RDBAH, ((u64)rxdr->dma >> 32)); - ew32(RDLEN, rxdr->size); - ew32(RDH, 0); - ew32(RDT, 0); - rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 | - E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF | - (hw->mc_filter_type << E1000_RCTL_MO_SHIFT); - ew32(RCTL, rctl); - - for (i = 0; i < rxdr->count; i++) { - struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i); - struct sk_buff *skb; - - skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN, GFP_KERNEL); - if (!skb) { - ret_val = 6; - goto err_nomem; - } - skb_reserve(skb, NET_IP_ALIGN); - rxdr->buffer_info[i].skb = skb; - rxdr->buffer_info[i].length = E1000_RXBUFFER_2048; - rxdr->buffer_info[i].dma = - dma_map_single(&pdev->dev, skb->data, - E1000_RXBUFFER_2048, DMA_FROM_DEVICE); - rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma); - memset(skb->data, 0x00, skb->len); - } - - return 0; - -err_nomem: - e1000_free_desc_rings(adapter); - return ret_val; -} - -static void e1000_phy_disable_receiver(struct e1000_adapter *adapter) -{ - struct e1000_hw *hw = &adapter->hw; - - /* Write out to PHY registers 29 and 30 to disable the Receiver. */ - e1000_write_phy_reg(hw, 29, 0x001F); - e1000_write_phy_reg(hw, 30, 0x8FFC); - e1000_write_phy_reg(hw, 29, 0x001A); - e1000_write_phy_reg(hw, 30, 0x8FF0); -} - -static void e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter) -{ - struct e1000_hw *hw = &adapter->hw; - u16 phy_reg; - - /* Because we reset the PHY above, we need to re-force TX_CLK in the - * Extended PHY Specific Control Register to 25MHz clock. This - * value defaults back to a 2.5MHz clock when the PHY is reset. - */ - e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg); - phy_reg |= M88E1000_EPSCR_TX_CLK_25; - e1000_write_phy_reg(hw, - M88E1000_EXT_PHY_SPEC_CTRL, phy_reg); - - /* In addition, because of the s/w reset above, we need to enable - * CRS on TX. This must be set for both full and half duplex - * operation. - */ - e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg); - phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX; - e1000_write_phy_reg(hw, - M88E1000_PHY_SPEC_CTRL, phy_reg); -} - -static int e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter) -{ - struct e1000_hw *hw = &adapter->hw; - u32 ctrl_reg; - u16 phy_reg; - - /* Setup the Device Control Register for PHY loopback test. */ - - ctrl_reg = er32(CTRL); - ctrl_reg |= (E1000_CTRL_ILOS | /* Invert Loss-Of-Signal */ - E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ - E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ - E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */ - E1000_CTRL_FD); /* Force Duplex to FULL */ - - ew32(CTRL, ctrl_reg); - - /* Read the PHY Specific Control Register (0x10) */ - e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg); - - /* Clear Auto-Crossover bits in PHY Specific Control Register - * (bits 6:5). - */ - phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE; - e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg); - - /* Perform software reset on the PHY */ - e1000_phy_reset(hw); - - /* Have to setup TX_CLK and TX_CRS after software reset */ - e1000_phy_reset_clk_and_crs(adapter); - - e1000_write_phy_reg(hw, PHY_CTRL, 0x8100); - - /* Wait for reset to complete. */ - udelay(500); - - /* Have to setup TX_CLK and TX_CRS after software reset */ - e1000_phy_reset_clk_and_crs(adapter); - - /* Write out to PHY registers 29 and 30 to disable the Receiver. */ - e1000_phy_disable_receiver(adapter); - - /* Set the loopback bit in the PHY control register. */ - e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg); - phy_reg |= MII_CR_LOOPBACK; - e1000_write_phy_reg(hw, PHY_CTRL, phy_reg); - - /* Setup TX_CLK and TX_CRS one more time. */ - e1000_phy_reset_clk_and_crs(adapter); - - /* Check Phy Configuration */ - e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg); - if (phy_reg != 0x4100) - return 9; - - e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg); - if (phy_reg != 0x0070) - return 10; - - e1000_read_phy_reg(hw, 29, &phy_reg); - if (phy_reg != 0x001A) - return 11; - - return 0; -} - -static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter) -{ - struct e1000_hw *hw = &adapter->hw; - u32 ctrl_reg = 0; - u32 stat_reg = 0; - - hw->autoneg = false; - - if (hw->phy_type == e1000_phy_m88) { - /* Auto-MDI/MDIX Off */ - e1000_write_phy_reg(hw, - M88E1000_PHY_SPEC_CTRL, 0x0808); - /* reset to update Auto-MDI/MDIX */ - e1000_write_phy_reg(hw, PHY_CTRL, 0x9140); - /* autoneg off */ - e1000_write_phy_reg(hw, PHY_CTRL, 0x8140); - } - - ctrl_reg = er32(CTRL); - - /* force 1000, set loopback */ - e1000_write_phy_reg(hw, PHY_CTRL, 0x4140); - - /* Now set up the MAC to the same speed/duplex as the PHY. */ - ctrl_reg = er32(CTRL); - ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ - ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ - E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ - E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */ - E1000_CTRL_FD); /* Force Duplex to FULL */ - - if (hw->media_type == e1000_media_type_copper && - hw->phy_type == e1000_phy_m88) - ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */ - else { - /* Set the ILOS bit on the fiber Nic is half - * duplex link is detected. */ - stat_reg = er32(STATUS); - if ((stat_reg & E1000_STATUS_FD) == 0) - ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU); - } - - ew32(CTRL, ctrl_reg); - - /* Disable the receiver on the PHY so when a cable is plugged in, the - * PHY does not begin to autoneg when a cable is reconnected to the NIC. - */ - if (hw->phy_type == e1000_phy_m88) - e1000_phy_disable_receiver(adapter); - - udelay(500); - - return 0; -} - -static int e1000_set_phy_loopback(struct e1000_adapter *adapter) -{ - struct e1000_hw *hw = &adapter->hw; - u16 phy_reg = 0; - u16 count = 0; - - switch (hw->mac_type) { - case e1000_82543: - if (hw->media_type == e1000_media_type_copper) { - /* Attempt to setup Loopback mode on Non-integrated PHY. - * Some PHY registers get corrupted at random, so - * attempt this 10 times. - */ - while (e1000_nonintegrated_phy_loopback(adapter) && - count++ < 10); - if (count < 11) - return 0; - } - break; - - case e1000_82544: - case e1000_82540: - case e1000_82545: - case e1000_82545_rev_3: - case e1000_82546: - case e1000_82546_rev_3: - case e1000_82541: - case e1000_82541_rev_2: - case e1000_82547: - case e1000_82547_rev_2: - return e1000_integrated_phy_loopback(adapter); - break; - default: - /* Default PHY loopback work is to read the MII - * control register and assert bit 14 (loopback mode). - */ - e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg); - phy_reg |= MII_CR_LOOPBACK; - e1000_write_phy_reg(hw, PHY_CTRL, phy_reg); - return 0; - break; - } - - return 8; -} - -static int e1000_setup_loopback_test(struct e1000_adapter *adapter) -{ - struct e1000_hw *hw = &adapter->hw; - u32 rctl; - - if (hw->media_type == e1000_media_type_fiber || - hw->media_type == e1000_media_type_internal_serdes) { - switch (hw->mac_type) { - case e1000_82545: - case e1000_82546: - case e1000_82545_rev_3: - case e1000_82546_rev_3: - return e1000_set_phy_loopback(adapter); - break; - default: - rctl = er32(RCTL); - rctl |= E1000_RCTL_LBM_TCVR; - ew32(RCTL, rctl); - return 0; - } - } else if (hw->media_type == e1000_media_type_copper) - return e1000_set_phy_loopback(adapter); - - return 7; -} - -static void e1000_loopback_cleanup(struct e1000_adapter *adapter) -{ - struct e1000_hw *hw = &adapter->hw; - u32 rctl; - u16 phy_reg; - - rctl = er32(RCTL); - rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC); - ew32(RCTL, rctl); - - switch (hw->mac_type) { - case e1000_82545: - case e1000_82546: - case e1000_82545_rev_3: - case e1000_82546_rev_3: - default: - hw->autoneg = true; - e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg); - if (phy_reg & MII_CR_LOOPBACK) { - phy_reg &= ~MII_CR_LOOPBACK; - e1000_write_phy_reg(hw, PHY_CTRL, phy_reg); - e1000_phy_reset(hw); - } - break; - } -} - -static void e1000_create_lbtest_frame(struct sk_buff *skb, - unsigned int frame_size) -{ - memset(skb->data, 0xFF, frame_size); - frame_size &= ~1; - memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); - memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); - memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); -} - -static int e1000_check_lbtest_frame(struct sk_buff *skb, - unsigned int frame_size) -{ - frame_size &= ~1; - if (*(skb->data + 3) == 0xFF) { - if ((*(skb->data + frame_size / 2 + 10) == 0xBE) && - (*(skb->data + frame_size / 2 + 12) == 0xAF)) { - return 0; - } - } - return 13; -} - -static int e1000_run_loopback_test(struct e1000_adapter *adapter) -{ - struct e1000_hw *hw = &adapter->hw; - struct e1000_tx_ring *txdr = &adapter->test_tx_ring; - struct e1000_rx_ring *rxdr = &adapter->test_rx_ring; - struct pci_dev *pdev = adapter->pdev; - int i, j, k, l, lc, good_cnt, ret_val=0; - unsigned long time; - - ew32(RDT, rxdr->count - 1); - - /* Calculate the loop count based on the largest descriptor ring - * The idea is to wrap the largest ring a number of times using 64 - * send/receive pairs during each loop - */ - - if (rxdr->count <= txdr->count) - lc = ((txdr->count / 64) * 2) + 1; - else - lc = ((rxdr->count / 64) * 2) + 1; - - k = l = 0; - for (j = 0; j <= lc; j++) { /* loop count loop */ - for (i = 0; i < 64; i++) { /* send the packets */ - e1000_create_lbtest_frame(txdr->buffer_info[i].skb, - 1024); - dma_sync_single_for_device(&pdev->dev, - txdr->buffer_info[k].dma, - txdr->buffer_info[k].length, - DMA_TO_DEVICE); - if (unlikely(++k == txdr->count)) k = 0; - } - ew32(TDT, k); - E1000_WRITE_FLUSH(); - msleep(200); - time = jiffies; /* set the start time for the receive */ - good_cnt = 0; - do { /* receive the sent packets */ - dma_sync_single_for_cpu(&pdev->dev, - rxdr->buffer_info[l].dma, - rxdr->buffer_info[l].length, - DMA_FROM_DEVICE); - - ret_val = e1000_check_lbtest_frame( - rxdr->buffer_info[l].skb, - 1024); - if (!ret_val) - good_cnt++; - if (unlikely(++l == rxdr->count)) l = 0; - /* time + 20 msecs (200 msecs on 2.4) is more than - * enough time to complete the receives, if it's - * exceeded, break and error off - */ - } while (good_cnt < 64 && jiffies < (time + 20)); - if (good_cnt != 64) { - ret_val = 13; /* ret_val is the same as mis-compare */ - break; - } - if (jiffies >= (time + 2)) { - ret_val = 14; /* error code for time out error */ - break; - } - } /* end loop count loop */ - return ret_val; -} - -static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data) -{ - *data = e1000_setup_desc_rings(adapter); - if (*data) - goto out; - *data = e1000_setup_loopback_test(adapter); - if (*data) - goto err_loopback; - *data = e1000_run_loopback_test(adapter); - e1000_loopback_cleanup(adapter); - -err_loopback: - e1000_free_desc_rings(adapter); -out: - return *data; -} - -static int e1000_link_test(struct e1000_adapter *adapter, u64 *data) -{ - struct e1000_hw *hw = &adapter->hw; - *data = 0; - if (hw->media_type == e1000_media_type_internal_serdes) { - int i = 0; - hw->serdes_has_link = false; - - /* On some blade server designs, link establishment - * could take as long as 2-3 minutes */ - do { - e1000_check_for_link(hw); - if (hw->serdes_has_link) - return *data; - msleep(20); - } while (i++ < 3750); - - *data = 1; - } else { - e1000_check_for_link(hw); - if (hw->autoneg) /* if auto_neg is set wait for it */ - msleep(4000); - - if (!(er32(STATUS) & E1000_STATUS_LU)) { - *data = 1; - } - } - return *data; -} - -static int e1000_get_sset_count(struct net_device *netdev, int sset) -{ - switch (sset) { - case ETH_SS_TEST: - return E1000_TEST_LEN; - case ETH_SS_STATS: - return E1000_STATS_LEN; - default: - return -EOPNOTSUPP; - } -} - -static void e1000_diag_test(struct net_device *netdev, - struct ethtool_test *eth_test, u64 *data) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - struct e1000_hw *hw = &adapter->hw; - bool if_running = netif_running(netdev); - - set_bit(__E1000_TESTING, &adapter->flags); - if (eth_test->flags == ETH_TEST_FL_OFFLINE) { - /* Offline tests */ - - /* save speed, duplex, autoneg settings */ - u16 autoneg_advertised = hw->autoneg_advertised; - u8 forced_speed_duplex = hw->forced_speed_duplex; - u8 autoneg = hw->autoneg; - - e_info(hw, "offline testing starting\n"); - - /* Link test performed before hardware reset so autoneg doesn't - * interfere with test result */ - if (e1000_link_test(adapter, &data[4])) - eth_test->flags |= ETH_TEST_FL_FAILED; - - if (if_running) - /* indicate we're in test mode */ - dev_close(netdev); - else - e1000_reset(adapter); - - if (e1000_reg_test(adapter, &data[0])) - eth_test->flags |= ETH_TEST_FL_FAILED; - - e1000_reset(adapter); - if (e1000_eeprom_test(adapter, &data[1])) - eth_test->flags |= ETH_TEST_FL_FAILED; - - e1000_reset(adapter); - if (e1000_intr_test(adapter, &data[2])) - eth_test->flags |= ETH_TEST_FL_FAILED; - - e1000_reset(adapter); - /* make sure the phy is powered up */ - e1000_power_up_phy(adapter); - if (e1000_loopback_test(adapter, &data[3])) - eth_test->flags |= ETH_TEST_FL_FAILED; - - /* restore speed, duplex, autoneg settings */ - hw->autoneg_advertised = autoneg_advertised; - hw->forced_speed_duplex = forced_speed_duplex; - hw->autoneg = autoneg; - - e1000_reset(adapter); - clear_bit(__E1000_TESTING, &adapter->flags); - if (if_running) - dev_open(netdev); - } else { - e_info(hw, "online testing starting\n"); - /* Online tests */ - if (e1000_link_test(adapter, &data[4])) - eth_test->flags |= ETH_TEST_FL_FAILED; - - /* Online tests aren't run; pass by default */ - data[0] = 0; - data[1] = 0; - data[2] = 0; - data[3] = 0; - - clear_bit(__E1000_TESTING, &adapter->flags); - } - msleep_interruptible(4 * 1000); -} - -static int e1000_wol_exclusion(struct e1000_adapter *adapter, - struct ethtool_wolinfo *wol) -{ - struct e1000_hw *hw = &adapter->hw; - int retval = 1; /* fail by default */ - - switch (hw->device_id) { - case E1000_DEV_ID_82542: - case E1000_DEV_ID_82543GC_FIBER: - case E1000_DEV_ID_82543GC_COPPER: - case E1000_DEV_ID_82544EI_FIBER: - case E1000_DEV_ID_82546EB_QUAD_COPPER: - case E1000_DEV_ID_82545EM_FIBER: - case E1000_DEV_ID_82545EM_COPPER: - case E1000_DEV_ID_82546GB_QUAD_COPPER: - case E1000_DEV_ID_82546GB_PCIE: - /* these don't support WoL at all */ - wol->supported = 0; - break; - case E1000_DEV_ID_82546EB_FIBER: - case E1000_DEV_ID_82546GB_FIBER: - /* Wake events not supported on port B */ - if (er32(STATUS) & E1000_STATUS_FUNC_1) { - wol->supported = 0; - break; - } - /* return success for non excluded adapter ports */ - retval = 0; - break; - case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: - /* quad port adapters only support WoL on port A */ - if (!adapter->quad_port_a) { - wol->supported = 0; - break; - } - /* return success for non excluded adapter ports */ - retval = 0; - break; - default: - /* dual port cards only support WoL on port A from now on - * unless it was enabled in the eeprom for port B - * so exclude FUNC_1 ports from having WoL enabled */ - if (er32(STATUS) & E1000_STATUS_FUNC_1 && - !adapter->eeprom_wol) { - wol->supported = 0; - break; - } - - retval = 0; - } - - return retval; -} - -static void e1000_get_wol(struct net_device *netdev, - struct ethtool_wolinfo *wol) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - struct e1000_hw *hw = &adapter->hw; - - wol->supported = WAKE_UCAST | WAKE_MCAST | - WAKE_BCAST | WAKE_MAGIC; - wol->wolopts = 0; - - /* this function will set ->supported = 0 and return 1 if wol is not - * supported by this hardware */ - if (e1000_wol_exclusion(adapter, wol) || - !device_can_wakeup(&adapter->pdev->dev)) - return; - - /* apply any specific unsupported masks here */ - switch (hw->device_id) { - case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: - /* KSP3 does not suppport UCAST wake-ups */ - wol->supported &= ~WAKE_UCAST; - - if (adapter->wol & E1000_WUFC_EX) - e_err(drv, "Interface does not support directed " - "(unicast) frame wake-up packets\n"); - break; - default: - break; - } - - if (adapter->wol & E1000_WUFC_EX) - wol->wolopts |= WAKE_UCAST; - if (adapter->wol & E1000_WUFC_MC) - wol->wolopts |= WAKE_MCAST; - if (adapter->wol & E1000_WUFC_BC) - wol->wolopts |= WAKE_BCAST; - if (adapter->wol & E1000_WUFC_MAG) - wol->wolopts |= WAKE_MAGIC; -} - -static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - struct e1000_hw *hw = &adapter->hw; - - if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE)) - return -EOPNOTSUPP; - - if (e1000_wol_exclusion(adapter, wol) || - !device_can_wakeup(&adapter->pdev->dev)) - return wol->wolopts ? -EOPNOTSUPP : 0; - - switch (hw->device_id) { - case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: - if (wol->wolopts & WAKE_UCAST) { - e_err(drv, "Interface does not support directed " - "(unicast) frame wake-up packets\n"); - return -EOPNOTSUPP; - } - break; - default: - break; - } - - /* these settings will always override what we currently have */ - adapter->wol = 0; - - if (wol->wolopts & WAKE_UCAST) - adapter->wol |= E1000_WUFC_EX; - if (wol->wolopts & WAKE_MCAST) - adapter->wol |= E1000_WUFC_MC; - if (wol->wolopts & WAKE_BCAST) - adapter->wol |= E1000_WUFC_BC; - if (wol->wolopts & WAKE_MAGIC) - adapter->wol |= E1000_WUFC_MAG; - - device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); - - return 0; -} - -static int e1000_set_phys_id(struct net_device *netdev, - enum ethtool_phys_id_state state) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - struct e1000_hw *hw = &adapter->hw; - - switch (state) { - case ETHTOOL_ID_ACTIVE: - e1000_setup_led(hw); - return 2; - - case ETHTOOL_ID_ON: - e1000_led_on(hw); - break; - - case ETHTOOL_ID_OFF: - e1000_led_off(hw); - break; - - case ETHTOOL_ID_INACTIVE: - e1000_cleanup_led(hw); - } - - return 0; -} - -static int e1000_get_coalesce(struct net_device *netdev, - struct ethtool_coalesce *ec) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - - if (adapter->hw.mac_type < e1000_82545) - return -EOPNOTSUPP; - - if (adapter->itr_setting <= 4) - ec->rx_coalesce_usecs = adapter->itr_setting; - else - ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting; - - return 0; -} - -static int e1000_set_coalesce(struct net_device *netdev, - struct ethtool_coalesce *ec) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - struct e1000_hw *hw = &adapter->hw; - - if (hw->mac_type < e1000_82545) - return -EOPNOTSUPP; - - if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) || - ((ec->rx_coalesce_usecs > 4) && - (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) || - (ec->rx_coalesce_usecs == 2)) - return -EINVAL; - - if (ec->rx_coalesce_usecs == 4) { - adapter->itr = adapter->itr_setting = 4; - } else if (ec->rx_coalesce_usecs <= 3) { - adapter->itr = 20000; - adapter->itr_setting = ec->rx_coalesce_usecs; - } else { - adapter->itr = (1000000 / ec->rx_coalesce_usecs); - adapter->itr_setting = adapter->itr & ~3; - } - - if (adapter->itr_setting != 0) - ew32(ITR, 1000000000 / (adapter->itr * 256)); - else - ew32(ITR, 0); - - return 0; -} - -static int e1000_nway_reset(struct net_device *netdev) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - if (netif_running(netdev)) - e1000_reinit_locked(adapter); - return 0; -} - -static void e1000_get_ethtool_stats(struct net_device *netdev, - struct ethtool_stats *stats, u64 *data) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - int i; - char *p = NULL; - - e1000_update_stats(adapter); - for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { - switch (e1000_gstrings_stats[i].type) { - case NETDEV_STATS: - p = (char *) netdev + - e1000_gstrings_stats[i].stat_offset; - break; - case E1000_STATS: - p = (char *) adapter + - e1000_gstrings_stats[i].stat_offset; - break; - } - - data[i] = (e1000_gstrings_stats[i].sizeof_stat == - sizeof(u64)) ? *(u64 *)p : *(u32 *)p; - } -/* BUG_ON(i != E1000_STATS_LEN); */ -} - -static void e1000_get_strings(struct net_device *netdev, u32 stringset, - u8 *data) -{ - u8 *p = data; - int i; - - switch (stringset) { - case ETH_SS_TEST: - memcpy(data, *e1000_gstrings_test, - sizeof(e1000_gstrings_test)); - break; - case ETH_SS_STATS: - for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { - memcpy(p, e1000_gstrings_stats[i].stat_string, - ETH_GSTRING_LEN); - p += ETH_GSTRING_LEN; - } -/* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */ - break; - } -} - -static const struct ethtool_ops e1000_ethtool_ops = { - .get_settings = e1000_get_settings, - .set_settings = e1000_set_settings, - .get_drvinfo = e1000_get_drvinfo, - .get_regs_len = e1000_get_regs_len, - .get_regs = e1000_get_regs, - .get_wol = e1000_get_wol, - .set_wol = e1000_set_wol, - .get_msglevel = e1000_get_msglevel, - .set_msglevel = e1000_set_msglevel, - .nway_reset = e1000_nway_reset, - .get_link = e1000_get_link, - .get_eeprom_len = e1000_get_eeprom_len, - .get_eeprom = e1000_get_eeprom, - .set_eeprom = e1000_set_eeprom, - .get_ringparam = e1000_get_ringparam, - .set_ringparam = e1000_set_ringparam, - .get_pauseparam = e1000_get_pauseparam, - .set_pauseparam = e1000_set_pauseparam, - .self_test = e1000_diag_test, - .get_strings = e1000_get_strings, - .set_phys_id = e1000_set_phys_id, - .get_ethtool_stats = e1000_get_ethtool_stats, - .get_sset_count = e1000_get_sset_count, - .get_coalesce = e1000_get_coalesce, - .set_coalesce = e1000_set_coalesce, -}; - -void e1000_set_ethtool_ops(struct net_device *netdev) -{ - SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops); -} |
