diff options
Diffstat (limited to 'drivers/net/e1000e/ethtool.c')
| -rw-r--r-- | drivers/net/e1000e/ethtool.c | 2081 |
1 files changed, 0 insertions, 2081 deletions
diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c deleted file mode 100644 index 06d88f316dce..000000000000 --- a/drivers/net/e1000e/ethtool.c +++ /dev/null @@ -1,2081 +0,0 @@ -/******************************************************************************* - - Intel PRO/1000 Linux driver - Copyright(c) 1999 - 2011 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 <linux/netdevice.h> -#include <linux/interrupt.h> -#include <linux/ethtool.h> -#include <linux/pci.h> -#include <linux/slab.h> -#include <linux/delay.h> - -#include "e1000.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(str, m) { \ - .stat_string = str, \ - .type = E1000_STATS, \ - .sizeof_stat = sizeof(((struct e1000_adapter *)0)->m), \ - .stat_offset = offsetof(struct e1000_adapter, m) } -#define E1000_NETDEV_STAT(str, m) { \ - .stat_string = str, \ - .type = NETDEV_STATS, \ - .sizeof_stat = sizeof(((struct rtnl_link_stats64 *)0)->m), \ - .stat_offset = offsetof(struct rtnl_link_stats64, m) } - -static const struct e1000_stats e1000_gstrings_stats[] = { - E1000_STAT("rx_packets", stats.gprc), - E1000_STAT("tx_packets", stats.gptc), - E1000_STAT("rx_bytes", stats.gorc), - E1000_STAT("tx_bytes", stats.gotc), - E1000_STAT("rx_broadcast", stats.bprc), - E1000_STAT("tx_broadcast", stats.bptc), - E1000_STAT("rx_multicast", stats.mprc), - E1000_STAT("tx_multicast", stats.mptc), - E1000_NETDEV_STAT("rx_errors", rx_errors), - E1000_NETDEV_STAT("tx_errors", tx_errors), - E1000_NETDEV_STAT("tx_dropped", tx_dropped), - E1000_STAT("multicast", stats.mprc), - E1000_STAT("collisions", stats.colc), - E1000_NETDEV_STAT("rx_length_errors", rx_length_errors), - E1000_NETDEV_STAT("rx_over_errors", rx_over_errors), - E1000_STAT("rx_crc_errors", stats.crcerrs), - E1000_NETDEV_STAT("rx_frame_errors", rx_frame_errors), - E1000_STAT("rx_no_buffer_count", stats.rnbc), - E1000_STAT("rx_missed_errors", stats.mpc), - E1000_STAT("tx_aborted_errors", stats.ecol), - E1000_STAT("tx_carrier_errors", stats.tncrs), - E1000_NETDEV_STAT("tx_fifo_errors", tx_fifo_errors), - E1000_NETDEV_STAT("tx_heartbeat_errors", tx_heartbeat_errors), - E1000_STAT("tx_window_errors", stats.latecol), - E1000_STAT("tx_abort_late_coll", stats.latecol), - E1000_STAT("tx_deferred_ok", stats.dc), - E1000_STAT("tx_single_coll_ok", stats.scc), - E1000_STAT("tx_multi_coll_ok", stats.mcc), - E1000_STAT("tx_timeout_count", tx_timeout_count), - E1000_STAT("tx_restart_queue", restart_queue), - E1000_STAT("rx_long_length_errors", stats.roc), - E1000_STAT("rx_short_length_errors", stats.ruc), - E1000_STAT("rx_align_errors", stats.algnerrc), - E1000_STAT("tx_tcp_seg_good", stats.tsctc), - E1000_STAT("tx_tcp_seg_failed", stats.tsctfc), - E1000_STAT("rx_flow_control_xon", stats.xonrxc), - E1000_STAT("rx_flow_control_xoff", stats.xoffrxc), - E1000_STAT("tx_flow_control_xon", stats.xontxc), - E1000_STAT("tx_flow_control_xoff", stats.xofftxc), - E1000_STAT("rx_long_byte_count", stats.gorc), - E1000_STAT("rx_csum_offload_good", hw_csum_good), - E1000_STAT("rx_csum_offload_errors", hw_csum_err), - E1000_STAT("rx_header_split", rx_hdr_split), - E1000_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed), - E1000_STAT("tx_smbus", stats.mgptc), - E1000_STAT("rx_smbus", stats.mgprc), - E1000_STAT("dropped_smbus", stats.mgpdc), - E1000_STAT("rx_dma_failed", rx_dma_failed), - E1000_STAT("tx_dma_failed", tx_dma_failed), -}; - -#define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats) -#define E1000_STATS_LEN (E1000_GLOBAL_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; - u32 speed; - - if (hw->phy.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); - if (hw->phy.type == e1000_phy_ife) - ecmd->supported &= ~SUPPORTED_1000baseT_Full; - ecmd->advertising = ADVERTISED_TP; - - if (hw->mac.autoneg == 1) { - ecmd->advertising |= ADVERTISED_Autoneg; - /* the e1000 autoneg seems to match ethtool nicely */ - ecmd->advertising |= hw->phy.autoneg_advertised; - } - - ecmd->port = PORT_TP; - ecmd->phy_address = hw->phy.addr; - 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; - ecmd->transceiver = XCVR_EXTERNAL; - } - - speed = -1; - ecmd->duplex = -1; - - if (netif_running(netdev)) { - if (netif_carrier_ok(netdev)) { - speed = adapter->link_speed; - ecmd->duplex = adapter->link_duplex - 1; - } - } else { - u32 status = er32(STATUS); - if (status & E1000_STATUS_LU) { - if (status & E1000_STATUS_SPEED_1000) - speed = SPEED_1000; - else if (status & E1000_STATUS_SPEED_100) - speed = SPEED_100; - else - speed = SPEED_10; - - if (status & E1000_STATUS_FD) - ecmd->duplex = DUPLEX_FULL; - else - ecmd->duplex = DUPLEX_HALF; - } - } - - ethtool_cmd_speed_set(ecmd, speed); - ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) || - hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE; - - /* MDI-X => 2; MDI =>1; Invalid =>0 */ - if ((hw->phy.media_type == e1000_media_type_copper) && - netif_carrier_ok(netdev)) - ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X : - ETH_TP_MDI; - else - ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID; - - return 0; -} - -static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx) -{ - struct e1000_mac_info *mac = &adapter->hw.mac; - - mac->autoneg = 0; - - /* Make sure dplx is at most 1 bit and lsb of speed is not set - * for the switch() below to work */ - if ((spd & 1) || (dplx & ~1)) - goto err_inval; - - /* Fiber NICs only allow 1000 gbps Full duplex */ - if ((adapter->hw.phy.media_type == e1000_media_type_fiber) && - spd != SPEED_1000 && - dplx != DUPLEX_FULL) { - goto err_inval; - } - - switch (spd + dplx) { - case SPEED_10 + DUPLEX_HALF: - mac->forced_speed_duplex = ADVERTISE_10_HALF; - break; - case SPEED_10 + DUPLEX_FULL: - mac->forced_speed_duplex = ADVERTISE_10_FULL; - break; - case SPEED_100 + DUPLEX_HALF: - mac->forced_speed_duplex = ADVERTISE_100_HALF; - break; - case SPEED_100 + DUPLEX_FULL: - mac->forced_speed_duplex = ADVERTISE_100_FULL; - break; - case SPEED_1000 + DUPLEX_FULL: - mac->autoneg = 1; - adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL; - break; - case SPEED_1000 + DUPLEX_HALF: /* not supported */ - default: - goto err_inval; - } - return 0; - -err_inval: - e_err("Unsupported Speed/Duplex configuration\n"); - return -EINVAL; -} - -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; - - /* - * When SoL/IDER sessions are active, autoneg/speed/duplex - * cannot be changed - */ - if (e1000_check_reset_block(hw)) { - e_err("Cannot change link characteristics when SoL/IDER is " - "active.\n"); - return -EINVAL; - } - - while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) - usleep_range(1000, 2000); - - if (ecmd->autoneg == AUTONEG_ENABLE) { - hw->mac.autoneg = 1; - if (hw->phy.media_type == e1000_media_type_fiber) - hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full | - ADVERTISED_FIBRE | - ADVERTISED_Autoneg; - else - hw->phy.autoneg_advertised = ecmd->advertising | - ADVERTISED_TP | - ADVERTISED_Autoneg; - ecmd->advertising = hw->phy.autoneg_advertised; - if (adapter->fc_autoneg) - hw->fc.requested_mode = e1000_fc_default; - } else { - u32 speed = ethtool_cmd_speed(ecmd); - if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) { - clear_bit(__E1000_RESETTING, &adapter->state); - return -EINVAL; - } - } - - /* reset the link */ - - if (netif_running(adapter->netdev)) { - e1000e_down(adapter); - e1000e_up(adapter); - } else { - e1000e_reset(adapter); - } - - clear_bit(__E1000_RESETTING, &adapter->state); - return 0; -} - -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.current_mode == e1000_fc_rx_pause) { - pause->rx_pause = 1; - } else if (hw->fc.current_mode == e1000_fc_tx_pause) { - pause->tx_pause = 1; - } else if (hw->fc.current_mode == 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->state)) - usleep_range(1000, 2000); - - if (adapter->fc_autoneg == AUTONEG_ENABLE) { - hw->fc.requested_mode = e1000_fc_default; - if (netif_running(adapter->netdev)) { - e1000e_down(adapter); - e1000e_up(adapter); - } else { - e1000e_reset(adapter); - } - } else { - if (pause->rx_pause && pause->tx_pause) - hw->fc.requested_mode = e1000_fc_full; - else if (pause->rx_pause && !pause->tx_pause) - hw->fc.requested_mode = e1000_fc_rx_pause; - else if (!pause->rx_pause && pause->tx_pause) - hw->fc.requested_mode = e1000_fc_tx_pause; - else if (!pause->rx_pause && !pause->tx_pause) - hw->fc.requested_mode = e1000_fc_none; - - hw->fc.current_mode = hw->fc.requested_mode; - - if (hw->phy.media_type == e1000_media_type_fiber) { - retval = hw->mac.ops.setup_link(hw); - /* implicit goto out */ - } else { - retval = e1000e_force_mac_fc(hw); - if (retval) - goto out; - e1000e_set_fc_watermarks(hw); - } - } - -out: - clear_bit(__E1000_RESETTING, &adapter->state); - return retval; -} - -static u32 e1000_get_rx_csum(struct net_device *netdev) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - return adapter->flags & FLAG_RX_CSUM_ENABLED; -} - -static int e1000_set_rx_csum(struct net_device *netdev, u32 data) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - - if (data) - adapter->flags |= FLAG_RX_CSUM_ENABLED; - else - adapter->flags &= ~FLAG_RX_CSUM_ENABLED; - - if (netif_running(netdev)) - e1000e_reinit_locked(adapter); - else - e1000e_reset(adapter); - return 0; -} - -static u32 e1000_get_tx_csum(struct net_device *netdev) -{ - return (netdev->features & NETIF_F_HW_CSUM) != 0; -} - -static int e1000_set_tx_csum(struct net_device *netdev, u32 data) -{ - if (data) - netdev->features |= NETIF_F_HW_CSUM; - else - netdev->features &= ~NETIF_F_HW_CSUM; - - return 0; -} - -static int e1000_set_tso(struct net_device *netdev, u32 data) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - - if (data) { - netdev->features |= NETIF_F_TSO; - netdev->features |= NETIF_F_TSO6; - } else { - netdev->features &= ~NETIF_F_TSO; - netdev->features &= ~NETIF_F_TSO6; - } - - adapter->flags |= FLAG_TSO_FORCE; - return 0; -} - -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 /* overestimate */ - 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) | (adapter->pdev->revision << 16) | - adapter->pdev->device; - - 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] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */ - - /* ethtool doesn't use anything past this point, so all this - * code is likely legacy junk for apps that may or may not - * exist */ - if (hw->phy.type == e1000_phy_m88) { - e1e_rphy(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) */ - e1e_rphy(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] = 0; /* was idle_errors */ - e1e_rphy(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 */ -} - -static int e1000_get_eeprom_len(struct net_device *netdev) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - return adapter->hw.nvm.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; - int last_word; - int ret_val = 0; - u16 i; - - if (eeprom->len == 0) - return -EINVAL; - - eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 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->nvm.type == e1000_nvm_eeprom_spi) { - ret_val = e1000_read_nvm(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_nvm(hw, first_word + i, 1, - &eeprom_buff[i]); - if (ret_val) - break; - } - } - - if (ret_val) { - /* a read error occurred, throw away the result */ - memset(eeprom_buff, 0xff, sizeof(u16) * - (last_word - first_word + 1)); - } else { - /* 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; - int first_word; - int last_word; - int ret_val = 0; - u16 i; - - if (eeprom->len == 0) - return -EOPNOTSUPP; - - if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16))) - return -EFAULT; - - if (adapter->flags & FLAG_READ_ONLY_NVM) - return -EINVAL; - - max_len = hw->nvm.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_nvm(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_nvm(hw, last_word, 1, - &eeprom_buff[last_word - first_word]); - - if (ret_val) - goto out; - - /* 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_nvm(hw, first_word, - last_word - first_word + 1, eeprom_buff); - - if (ret_val) - goto out; - - /* - * Update the checksum over the first part of the EEPROM if needed - * and flush shadow RAM for applicable controllers - */ - if ((first_word <= NVM_CHECKSUM_REG) || - (hw->mac.type == e1000_82583) || - (hw->mac.type == e1000_82574) || - (hw->mac.type == e1000_82573)) - ret_val = e1000e_update_nvm_checksum(hw); - -out: - 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, e1000e_driver_name, - sizeof(drvinfo->driver) - 1); - strncpy(drvinfo->version, e1000e_driver_version, - sizeof(drvinfo->version) - 1); - - /* - * EEPROM image version # is reported as firmware version # for - * PCI-E controllers - */ - snprintf(firmware_version, sizeof(firmware_version), "%d.%d-%d", - (adapter->eeprom_vers & 0xF000) >> 12, - (adapter->eeprom_vers & 0x0FF0) >> 4, - (adapter->eeprom_vers & 0x000F)); - - strncpy(drvinfo->fw_version, firmware_version, - sizeof(drvinfo->fw_version) - 1); - strncpy(drvinfo->bus_info, pci_name(adapter->pdev), - sizeof(drvinfo->bus_info) - 1); - 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_ring *tx_ring = adapter->tx_ring; - struct e1000_ring *rx_ring = adapter->rx_ring; - - ring->rx_max_pending = E1000_MAX_RXD; - ring->tx_max_pending = E1000_MAX_TXD; - ring->rx_mini_max_pending = 0; - ring->rx_jumbo_max_pending = 0; - ring->rx_pending = rx_ring->count; - ring->tx_pending = tx_ring->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_ring *tx_ring, *tx_old; - struct e1000_ring *rx_ring, *rx_old; - int err; - - if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) - return -EINVAL; - - while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) - usleep_range(1000, 2000); - - if (netif_running(adapter->netdev)) - e1000e_down(adapter); - - tx_old = adapter->tx_ring; - rx_old = adapter->rx_ring; - - err = -ENOMEM; - tx_ring = kmemdup(tx_old, sizeof(struct e1000_ring), GFP_KERNEL); - if (!tx_ring) - goto err_alloc_tx; - - rx_ring = kmemdup(rx_old, sizeof(struct e1000_ring), GFP_KERNEL); - if (!rx_ring) - goto err_alloc_rx; - - adapter->tx_ring = tx_ring; - adapter->rx_ring = rx_ring; - - rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD); - rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD)); - rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE); - - tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD); - tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD)); - tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE); - - if (netif_running(adapter->netdev)) { - /* Try to get new resources before deleting old */ - err = e1000e_setup_rx_resources(adapter); - if (err) - goto err_setup_rx; - err = e1000e_setup_tx_resources(adapter); - if (err) - goto err_setup_tx; - - /* - * restore the old in order to free it, - * then add in the new - */ - adapter->rx_ring = rx_old; - adapter->tx_ring = tx_old; - e1000e_free_rx_resources(adapter); - e1000e_free_tx_resources(adapter); - kfree(tx_old); - kfree(rx_old); - adapter->rx_ring = rx_ring; - adapter->tx_ring = tx_ring; - err = e1000e_up(adapter); - if (err) - goto err_setup; - } - - clear_bit(__E1000_RESETTING, &adapter->state); - return 0; -err_setup_tx: - e1000e_free_rx_resources(adapter); -err_setup_rx: - adapter->rx_ring = rx_old; - adapter->tx_ring = tx_old; - kfree(rx_ring); -err_alloc_rx: - kfree(tx_ring); -err_alloc_tx: - e1000e_up(adapter); -err_setup: - clear_bit(__E1000_RESETTING, &adapter->state); - return err; -} - -static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, - int reg, int offset, u32 mask, u32 write) -{ - u32 pat, val; - static const u32 test[] = { - 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; - for (pat = 0; pat < ARRAY_SIZE(test); pat++) { - E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset, - (test[pat] & write)); - val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset); - if (val != (test[pat] & write & mask)) { - e_err("pattern test reg %04X failed: got 0x%08X " - "expected 0x%08X\n", reg + offset, val, - (test[pat] & write & mask)); - *data = reg; - return 1; - } - } - return 0; -} - -static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, - int reg, u32 mask, u32 write) -{ - u32 val; - __ew32(&adapter->hw, reg, write & mask); - val = __er32(&adapter->hw, reg); - if ((write & mask) != (val & mask)) { - e_err("set/check reg %04X test failed: got 0x%08X " - "expected 0x%08X\n", reg, (val & mask), (write & mask)); - *data = reg; - return 1; - } - return 0; -} -#define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \ - do { \ - if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \ - return 1; \ - } while (0) -#define REG_PATTERN_TEST(reg, mask, write) \ - REG_PATTERN_TEST_ARRAY(reg, 0, mask, write) - -#define REG_SET_AND_CHECK(reg, mask, write) \ - do { \ - if (reg_set_and_check(adapter, data, reg, mask, write)) \ - return 1; \ - } while (0) - -static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) -{ - struct e1000_hw *hw = &adapter->hw; - struct e1000_mac_info *mac = &adapter->hw.mac; - u32 value; - u32 before; - u32 after; - u32 i; - u32 toggle; - u32 mask; - - /* - * The status register is Read Only, so a write should fail. - * Some bits that get toggled are ignored. - */ - switch (mac->type) { - /* there are several bits on newer hardware that are r/w */ - case e1000_82571: - case e1000_82572: - case e1000_80003es2lan: - toggle = 0x7FFFF3FF; - break; - default: - toggle = 0x7FFFF033; - break; - } - - before = er32(STATUS); - value = (er32(STATUS) & toggle); - ew32(STATUS, toggle); - after = er32(STATUS) & toggle; - if (value != after) { - e_err("failed STATUS register test got: 0x%08X expected: " - "0x%08X\n", after, value); - *data = 1; - return 1; - } - /* restore previous status */ - ew32(STATUS, before); - - if (!(adapter->flags & FLAG_IS_ICH)) { - REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF); - REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF); - REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF); - REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF); - } - - REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF); - REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF); - REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF); - REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF); - REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF); - REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8); - REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF); - REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF); - REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF); - REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF); - - REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000); - - before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE); - REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB); - REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000); - - REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF); - REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF); - if (!(adapter->flags & FLAG_IS_ICH)) - REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF); - REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF); - REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF); - mask = 0x8003FFFF; - switch (mac->type) { - case e1000_ich10lan: - case e1000_pchlan: - case e1000_pch2lan: - mask |= (1 << 18); - break; - default: - break; - } - for (i = 0; i < mac->rar_entry_count; i++) - REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), - mask, 0xFFFFFFFF); - - for (i = 0; i < mac->mta_reg_count; i++) - REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF); - - *data = 0; - return 0; -} - -static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data) -{ - u16 temp; - u16 checksum = 0; - u16 i; - - *data = 0; - /* Read and add up the contents of the EEPROM */ - for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) { - if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) { - *data = 1; - return *data; - } - checksum += temp; - } - - /* If Checksum is not Correct return error else test passed */ - if ((checksum != (u16) NVM_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; - struct e1000_hw *hw = &adapter->hw; - u32 mask; - u32 shared_int = 1; - u32 irq = adapter->pdev->irq; - int i; - int ret_val = 0; - int int_mode = E1000E_INT_MODE_LEGACY; - - *data = 0; - - /* NOTE: we don't test MSI/MSI-X interrupts here, yet */ - if (adapter->int_mode == E1000E_INT_MODE_MSIX) { - int_mode = adapter->int_mode; - e1000e_reset_interrupt_capability(adapter); - adapter->int_mode = E1000E_INT_MODE_LEGACY; - e1000e_set_interrupt_capability(adapter); - } - /* Hook up test interrupt handler just for this test */ - if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name, - netdev)) { - shared_int = 0; - } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, - netdev->name, netdev)) { - *data = 1; - ret_val = -1; - goto out; - } - e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared")); - - /* Disable all the interrupts */ - ew32(IMC, 0xFFFFFFFF); - e1e_flush(); - usleep_range(10000, 20000); - - /* Test each interrupt */ - for (i = 0; i < 10; i++) { - /* Interrupt to test */ - mask = 1 << i; - - if (adapter->flags & FLAG_IS_ICH) { - switch (mask) { - case E1000_ICR_RXSEQ: - continue; - case 0x00000100: - if (adapter->hw.mac.type == e1000_ich8lan || - adapter->hw.mac.type == e1000_ich9lan) - continue; - break; - default: - break; - } - } - - 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); - e1e_flush(); - usleep_range(10000, 20000); - - 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); - e1e_flush(); - usleep_range(10000, 20000); - - 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); - e1e_flush(); - usleep_range(10000, 20000); - - if (adapter->test_icr) { - *data = 5; - break; - } - } - } - - /* Disable all the interrupts */ - ew32(IMC, 0xFFFFFFFF); - e1e_flush(); - usleep_range(10000, 20000); - - /* Unhook test interrupt handler */ - free_irq(irq, netdev); - -out: - if (int_mode == E1000E_INT_MODE_MSIX) { - e1000e_reset_interrupt_capability(adapter); - adapter->int_mode = int_mode; - e1000e_set_interrupt_capability(adapter); - } - - return ret_val; -} - -static void e1000_free_desc_rings(struct e1000_adapter *adapter) -{ - struct e1000_ring *tx_ring = &adapter->test_tx_ring; - struct e1000_ring *rx_ring = &adapter->test_rx_ring; - struct pci_dev *pdev = adapter->pdev; - int i; - - if (tx_ring->desc && tx_ring->buffer_info) { - for (i = 0; i < tx_ring->count; i++) { - if (tx_ring->buffer_info[i].dma) - dma_unmap_single(&pdev->dev, - tx_ring->buffer_info[i].dma, - tx_ring->buffer_info[i].length, - DMA_TO_DEVICE); - if (tx_ring->buffer_info[i].skb) - dev_kfree_skb(tx_ring->buffer_info[i].skb); - } - } - - if (rx_ring->desc && rx_ring->buffer_info) { - for (i = 0; i < rx_ring->count; i++) { - if (rx_ring->buffer_info[i].dma) - dma_unmap_single(&pdev->dev, - rx_ring->buffer_info[i].dma, - 2048, DMA_FROM_DEVICE); - if (rx_ring->buffer_info[i].skb) - dev_kfree_skb(rx_ring->buffer_info[i].skb); - } - } - - if (tx_ring->desc) { - dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc, - tx_ring->dma); - tx_ring->desc = NULL; - } - if (rx_ring->desc) { - dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc, - rx_ring->dma); - rx_ring->desc = NULL; - } - - kfree(tx_ring->buffer_info); - tx_ring->buffer_info = NULL; - kfree(rx_ring->buffer_info); - rx_ring->buffer_info = NULL; -} - -static int e1000_setup_desc_rings(struct e1000_adapter *adapter) -{ - struct e1000_ring *tx_ring = &adapter->test_tx_ring; - struct e1000_ring *rx_ring = &adapter->test_rx_ring; - struct pci_dev *pdev = adapter->pdev; - struct e1000_hw *hw = &adapter->hw; - u32 rctl; - int i; - int ret_val; - - /* Setup Tx descriptor ring and Tx buffers */ - - if (!tx_ring->count) - tx_ring->count = E1000_DEFAULT_TXD; - - tx_ring->buffer_info = kcalloc(tx_ring->count, - sizeof(struct e1000_buffer), - GFP_KERNEL); - if (!(tx_ring->buffer_info)) { - ret_val = 1; - goto err_nomem; - } - - tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc); - tx_ring->size = ALIGN(tx_ring->size, 4096); - tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size, - &tx_ring->dma, GFP_KERNEL); - if (!tx_ring->desc) { - ret_val = 2; - goto err_nomem; - } - tx_ring->next_to_use = 0; - tx_ring->next_to_clean = 0; - - ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF)); - ew32(TDBAH, ((u64) tx_ring->dma >> 32)); - ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc)); - ew32(TDH, 0); - ew32(TDT, 0); - ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR | - E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT | - E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT); - - for (i = 0; i < tx_ring->count; i++) { - struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i); - struct sk_buff *skb; - unsigned int skb_size = 1024; - - skb = alloc_skb(skb_size, GFP_KERNEL); - if (!skb) { - ret_val = 3; - goto err_nomem; - } - skb_put(skb, skb_size); - tx_ring->buffer_info[i].skb = skb; - tx_ring->buffer_info[i].length = skb->len; - tx_ring->buffer_info[i].dma = - dma_map_single(&pdev->dev, skb->data, skb->len, - DMA_TO_DEVICE); - if (dma_mapping_error(&pdev->dev, - tx_ring->buffer_info[i].dma)) { - ret_val = 4; - goto err_nomem; - } - tx_desc->buffer_addr = cpu_to_le64(tx_ring->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_RS); - tx_desc->upper.data = 0; - } - - /* Setup Rx descriptor ring and Rx buffers */ - - if (!rx_ring->count) - rx_ring->count = E1000_DEFAULT_RXD; - - rx_ring->buffer_info = kcalloc(rx_ring->count, - sizeof(struct e1000_buffer), - GFP_KERNEL); - if (!(rx_ring->buffer_info)) { - ret_val = 5; - goto err_nomem; - } - - rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc); - rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size, - &rx_ring->dma, GFP_KERNEL); - if (!rx_ring->desc) { - ret_val = 6; - goto err_nomem; - } - rx_ring->next_to_use = 0; - rx_ring->next_to_clean = 0; - - rctl = er32(RCTL); - ew32(RCTL, rctl & ~E1000_RCTL_EN); - ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF)); - ew32(RDBAH, ((u64) rx_ring->dma >> 32)); - ew32(RDLEN, rx_ring->size); - ew32(RDH, 0); - ew32(RDT, 0); - rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 | - E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE | - E1000_RCTL_SBP | E1000_RCTL_SECRC | - E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF | - (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT); - ew32(RCTL, rctl); - - for (i = 0; i < rx_ring->count; i++) { - struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i); - struct sk_buff *skb; - - skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL); - if (!skb) { - ret_val = 7; - goto err_nomem; - } - skb_reserve(skb, NET_IP_ALIGN); - rx_ring->buffer_info[i].skb = skb; - rx_ring->buffer_info[i].dma = - dma_map_single(&pdev->dev, skb->data, 2048, - DMA_FROM_DEVICE); - if (dma_mapping_error(&pdev->dev, - rx_ring->buffer_info[i].dma)) { - ret_val = 8; - goto err_nomem; - } - rx_desc->buffer_addr = - cpu_to_le64(rx_ring->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) -{ - /* Write out to PHY registers 29 and 30 to disable the Receiver. */ - e1e_wphy(&adapter->hw, 29, 0x001F); - e1e_wphy(&adapter->hw, 30, 0x8FFC); - e1e_wphy(&adapter->hw, 29, 0x001A); - e1e_wphy(&adapter->hw, 30, 0x8FF0); -} - -static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter) -{ - struct e1000_hw *hw = &adapter->hw; - u32 ctrl_reg = 0; - u16 phy_reg = 0; - s32 ret_val = 0; - - hw->mac.autoneg = 0; - - if (hw->phy.type == e1000_phy_ife) { - /* force 100, set loopback */ - e1e_wphy(hw, PHY_CONTROL, 0x6100); - - /* 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_100 |/* Force Speed to 100 */ - E1000_CTRL_FD); /* Force Duplex to FULL */ - - ew32(CTRL, ctrl_reg); - e1e_flush(); - udelay(500); - - return 0; - } - - /* Specific PHY configuration for loopback */ - switch (hw->phy.type) { - case e1000_phy_m88: - /* Auto-MDI/MDIX Off */ - e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808); - /* reset to update Auto-MDI/MDIX */ - e1e_wphy(hw, PHY_CONTROL, 0x9140); - /* autoneg off */ - e1e_wphy(hw, PHY_CONTROL, 0x8140); - break; - case e1000_phy_gg82563: - e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC); - break; - case e1000_phy_bm: - /* Set Default MAC Interface speed to 1GB */ - e1e_rphy(hw, PHY_REG(2, 21), &phy_reg); - phy_reg &= ~0x0007; - phy_reg |= 0x006; - e1e_wphy(hw, PHY_REG(2, 21), phy_reg); - /* Assert SW reset for above settings to take effect */ - e1000e_commit_phy(hw); - mdelay(1); - /* Force Full Duplex */ - e1e_rphy(hw, PHY_REG(769, 16), &phy_reg); - e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C); - /* Set Link Up (in force link) */ - e1e_rphy(hw, PHY_REG(776, 16), &phy_reg); - e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040); - /* Force Link */ - e1e_rphy(hw, PHY_REG(769, 16), &phy_reg); - e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040); - /* Set Early Link Enable */ - e1e_rphy(hw, PHY_REG(769, 20), &phy_reg); - e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400); - break; - case e1000_phy_82577: - case e1000_phy_82578: - /* Workaround: K1 must be disabled for stable 1Gbps operation */ - ret_val = hw->phy.ops.acquire(hw); - if (ret_val) { - e_err("Cannot setup 1Gbps loopback.\n"); - return ret_val; - } - e1000_configure_k1_ich8lan(hw, false); - hw->phy.ops.release(hw); - break; - case e1000_phy_82579: - /* Disable PHY energy detect power down */ - e1e_rphy(hw, PHY_REG(0, 21), &phy_reg); - e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3)); - /* Disable full chip energy detect */ - e1e_rphy(hw, PHY_REG(776, 18), &phy_reg); - e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1); - /* Enable loopback on the PHY */ -#define I82577_PHY_LBK_CTRL 19 - e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001); - break; - default: - break; - } - - /* force 1000, set loopback */ - e1e_wphy(hw, PHY_CONTROL, 0x4140); - mdelay(250); - - /* 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 (adapter->flags & FLAG_IS_ICH) - ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */ - - if (hw->phy.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 if half duplex link is - * detected. - */ - if ((er32(STATUS) & 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_82571_fiber_loopback(struct e1000_adapter *adapter) -{ - struct e1000_hw *hw = &adapter->hw; - u32 ctrl = er32(CTRL); - int link = 0; - - /* special requirements for 82571/82572 fiber adapters */ - - /* - * jump through hoops to make sure link is up because serdes - * link is hardwired up - */ - ctrl |= E1000_CTRL_SLU; - ew32(CTRL, ctrl); - - /* disable autoneg */ - ctrl = er32(TXCW); - ctrl &= ~(1 << 31); - ew32(TXCW, ctrl); - - link = (er32(STATUS) & E1000_STATUS_LU); - - if (!link) { - /* set invert loss of signal */ - ctrl = er32(CTRL); - ctrl |= E1000_CTRL_ILOS; - ew32(CTRL, ctrl); - } - - /* - * special write to serdes control register to enable SerDes analog - * loopback - */ -#define E1000_SERDES_LB_ON 0x410 - ew32(SCTL, E1000_SERDES_LB_ON); - e1e_flush(); - usleep_range(10000, 20000); - - return 0; -} - -/* only call this for fiber/serdes connections to es2lan */ -static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter) -{ - struct e1000_hw *hw = &adapter->hw; - u32 ctrlext = er32(CTRL_EXT); - u32 ctrl = er32(CTRL); - - /* - * save CTRL_EXT to restore later, reuse an empty variable (unused - * on mac_type 80003es2lan) - */ - adapter->tx_fifo_head = ctrlext; - - /* clear the serdes mode bits, putting the device into mac loopback */ - ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES; - ew32(CTRL_EXT, ctrlext); - - /* force speed to 1000/FD, link up */ - ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100); - ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX | - E1000_CTRL_SPD_1000 | E1000_CTRL_FD); - ew32(CTRL, ctrl); - - /* set mac loopback */ - ctrl = er32(RCTL); - ctrl |= E1000_RCTL_LBM_MAC; - ew32(RCTL, ctrl); - - /* set testing mode parameters (no need to reset later) */ -#define KMRNCTRLSTA_OPMODE (0x1F << 16) -#define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582 - ew32(KMRNCTRLSTA, - (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII)); - - return 0; -} - -static int e1000_setup_loopback_test(struct e1000_adapter *adapter) -{ - struct e1000_hw *hw = &adapter->hw; - u32 rctl; - - if (hw->phy.media_type == e1000_media_type_fiber || - hw->phy.media_type == e1000_media_type_internal_serdes) { - switch (hw->mac.type) { - case e1000_80003es2lan: - return e1000_set_es2lan_mac_loopback(adapter); - break; - case e1000_82571: - case e1000_82572: - return e1000_set_82571_fiber_loopback(adapter); - break; - default: - rctl = er32(RCTL); - rctl |= E1000_RCTL_LBM_TCVR; - ew32(RCTL, rctl); - return 0; - } - } else if (hw->phy.media_type == e1000_media_type_copper) { - return e1000_integrated_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_80003es2lan: - if (hw->phy.media_type == e1000_media_type_fiber || - hw->phy.media_type == e1000_media_type_internal_serdes) { - /* restore CTRL_EXT, stealing space from tx_fifo_head */ - ew32(CTRL_EXT, adapter->tx_fifo_head); - adapter->tx_fifo_head = 0; - } - /* fall through */ - case e1000_82571: - case e1000_82572: - if (hw->phy.media_type == e1000_media_type_fiber || - hw->phy.media_type == e1000_media_type_internal_serdes) { -#define E1000_SERDES_LB_OFF 0x400 - ew32(SCTL, E1000_SERDES_LB_OFF); - e1e_flush(); - usleep_range(10000, 20000); - break; - } - /* Fall Through */ - default: - hw->mac.autoneg = 1; - if (hw->phy.type == e1000_phy_gg82563) - e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180); - e1e_rphy(hw, PHY_CONTROL, &phy_reg); - if (phy_reg & MII_CR_LOOPBACK) { - phy_reg &= ~MII_CR_LOOPBACK; - e1e_wphy(hw, PHY_CONTROL, phy_reg); - e1000e_commit_phy(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_ring *tx_ring = &adapter->test_tx_ring; - struct e1000_ring *rx_ring = &adapter->test_rx_ring; - struct pci_dev *pdev = adapter->pdev; - struct e1000_hw *hw = &adapter->hw; - int i, j, k, l; - int lc; - int good_cnt; - int ret_val = 0; - unsigned long time; - - ew32(RDT, rx_ring->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 (rx_ring->count <= tx_ring->count) - lc = ((tx_ring->count / 64) * 2) + 1; - else - lc = ((rx_ring->count / 64) * 2) + 1; - - k = 0; - l = 0; - for (j = 0; j <= lc; j++) { /* loop count loop */ - for (i = 0; i < 64; i++) { /* send the packets */ - e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb, - 1024); - dma_sync_single_for_device(&pdev->dev, - tx_ring->buffer_info[k].dma, - tx_ring->buffer_info[k].length, - DMA_TO_DEVICE); - k++; - if (k == tx_ring->count) - k = 0; - } - ew32(TDT, k); - e1e_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, - rx_ring->buffer_info[l].dma, 2048, - DMA_FROM_DEVICE); - - ret_val = e1000_check_lbtest_frame( - rx_ring->buffer_info[l].skb, 1024); - if (!ret_val) - good_cnt++; - l++; - if (l == rx_ring->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) && !time_after(jiffies, time + 20)); - if (good_cnt != 64) { - ret_val = 13; /* ret_val is the same as mis-compare */ - break; - } - if (jiffies >= (time + 20)) { - 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) -{ - /* - * PHY loopback cannot be performed if SoL/IDER - * sessions are active - */ - if (e1000_check_reset_block(&adapter->hw)) { - e_err("Cannot do PHY loopback test when SoL/IDER is active.\n"); - *data = 0; - goto out; - } - - *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->phy.media_type == e1000_media_type_internal_serdes) { - int i = 0; - hw->mac.serdes_has_link = false; - - /* - * On some blade server designs, link establishment - * could take as long as 2-3 minutes - */ - do { - hw->mac.ops.check_for_link(hw); - if (hw->mac.serdes_has_link) - return *data; - msleep(20); - } while (i++ < 3750); - - *data = 1; - } else { - hw->mac.ops.check_for_link(hw); - if (hw->mac.autoneg) - /* - * On some Phy/switch combinations, link establishment - * can take a few seconds more than expected. - */ - msleep(5000); - - if (!(er32(STATUS) & E1000_STATUS_LU)) - *data = 1; - } - return *data; -} - -static int e1000e_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); - u16 autoneg_advertised; - u8 forced_speed_duplex; - u8 autoneg; - bool if_running = netif_running(netdev); - - set_bit(__E1000_TESTING, &adapter->state); - - if (!if_running) { - /* Get control of and reset hardware */ - if (adapter->flags & FLAG_HAS_AMT) - e1000e_get_hw_control(adapter); - - e1000e_power_up_phy(adapter); - - adapter->hw.phy.autoneg_wait_to_complete = 1; - e1000e_reset(adapter); - adapter->hw.phy.autoneg_wait_to_complete = 0; - } - - if (eth_test->flags == ETH_TEST_FL_OFFLINE) { - /* Offline tests */ - - /* save speed, duplex, autoneg settings */ - autoneg_advertised = adapter->hw.phy.autoneg_advertised; - forced_speed_duplex = adapter->hw.mac.forced_speed_duplex; - autoneg = adapter->hw.mac.autoneg; - - e_info("offline testing starting\n"); - - if (if_running) - /* indicate we're in test mode */ - dev_close(netdev); - - if (e1000_reg_test(adapter, &data[0])) - eth_test->flags |= ETH_TEST_FL_FAILED; - - e1000e_reset(adapter); - if (e1000_eeprom_test(adapter, &data[1])) - eth_test->flags |= ETH_TEST_FL_FAILED; - - e1000e_reset(adapter); - if (e1000_intr_test(adapter, &data[2])) - eth_test->flags |= ETH_TEST_FL_FAILED; - - e1000e_reset(adapter); - if (e1000_loopback_test(adapter, &data[3])) - eth_test->flags |= ETH_TEST_FL_FAILED; - - /* force this routine to wait until autoneg complete/timeout */ - adapter->hw.phy.autoneg_wait_to_complete = 1; - e1000e_reset(adapter); - adapter->hw.phy.autoneg_wait_to_complete = 0; - - if (e1000_link_test(adapter, &data[4])) - eth_test->flags |= ETH_TEST_FL_FAILED; - - /* restore speed, duplex, autoneg settings */ - adapter->hw.phy.autoneg_advertised = autoneg_advertised; - adapter->hw.mac.forced_speed_duplex = forced_speed_duplex; - adapter->hw.mac.autoneg = autoneg; - e1000e_reset(adapter); - - clear_bit(__E1000_TESTING, &adapter->state); - if (if_running) - dev_open(netdev); - } else { - /* Online tests */ - - e_info("online testing starting\n"); - - /* register, eeprom, intr and loopback tests not run online */ - data[0] = 0; - data[1] = 0; - data[2] = 0; - data[3] = 0; - - if (e1000_link_test(adapter, &data[4])) - eth_test->flags |= ETH_TEST_FL_FAILED; - - clear_bit(__E1000_TESTING, &adapter->state); - } - - if (!if_running) { - e1000e_reset(adapter); - - if (adapter->flags & FLAG_HAS_AMT) - e1000e_release_hw_control(adapter); - } - - msleep_interruptible(4 * 1000); -} - -static void e1000_get_wol(struct net_device *netdev, - struct ethtool_wolinfo *wol) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - - wol->supported = 0; - wol->wolopts = 0; - - if (!(adapter->flags & FLAG_HAS_WOL) || - !device_can_wakeup(&adapter->pdev->dev)) - return; - - wol->supported = WAKE_UCAST | WAKE_MCAST | - WAKE_BCAST | WAKE_MAGIC | WAKE_PHY; - - /* apply any specific unsupported masks here */ - if (adapter->flags & FLAG_NO_WAKE_UCAST) { - wol->supported &= ~WAKE_UCAST; - - if (adapter->wol & E1000_WUFC_EX) - e_err("Interface does not support directed (unicast) " - "frame wake-up packets\n"); - } - - 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; - if (adapter->wol & E1000_WUFC_LNKC) - wol->wolopts |= WAKE_PHY; -} - -static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - - if (!(adapter->flags & FLAG_HAS_WOL) || - !device_can_wakeup(&adapter->pdev->dev) || - (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | - WAKE_MAGIC | WAKE_PHY))) - return -EOPNOTSUPP; - - /* 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; - if (wol->wolopts & WAKE_PHY) - adapter->wol |= E1000_WUFC_LNKC; - - 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: - if (!hw->mac.ops.blink_led) - return 2; /* cycle on/off twice per second */ - - hw->mac.ops.blink_led(hw); - break; - - case ETHTOOL_ID_INACTIVE: - if (hw->phy.type == e1000_phy_ife) - e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0); - hw->mac.ops.led_off(hw); - hw->mac.ops.cleanup_led(hw); - break; - - case ETHTOOL_ID_ON: - adapter->hw.mac.ops.led_on(&adapter->hw); - break; - - case ETHTOOL_ID_OFF: - adapter->hw.mac.ops.led_off(&adapter->hw); - break; - } - return 0; -} - -static int e1000_get_coalesce(struct net_device *netdev, - struct ethtool_coalesce *ec) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - - 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 ((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)) - return -EAGAIN; - - if (!adapter->hw.mac.autoneg) - return -EINVAL; - - e1000e_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); - struct rtnl_link_stats64 net_stats; - int i; - char *p = NULL; - - e1000e_get_stats64(netdev, &net_stats); - for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { - switch (e1000_gstrings_stats[i].type) { - case NETDEV_STATS: - p = (char *) &net_stats + - e1000_gstrings_stats[i].stat_offset; - break; - case E1000_STATS: - p = (char *) adapter + - e1000_gstrings_stats[i].stat_offset; - break; - default: - data[i] = 0; - continue; - } - - data[i] = (e1000_gstrings_stats[i].sizeof_stat == - sizeof(u64)) ? *(u64 *)p : *(u32 *)p; - } -} - -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; - } - break; - } -} - -static int e1000e_set_flags(struct net_device *netdev, u32 data) -{ - struct e1000_adapter *adapter = netdev_priv(netdev); - bool need_reset = false; - int rc; - - need_reset = (data & ETH_FLAG_RXVLAN) != - (netdev->features & NETIF_F_HW_VLAN_RX); - - rc = ethtool_op_set_flags(netdev, data, ETH_FLAG_RXVLAN | - ETH_FLAG_TXVLAN); - - if (rc) - return rc; - - if (need_reset) { - if (netif_running(netdev)) - e1000e_reinit_locked(adapter); - else - e1000e_reset(adapter); - } - - return 0; -} - -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 = ethtool_op_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, - .get_rx_csum = e1000_get_rx_csum, - .set_rx_csum = e1000_set_rx_csum, - .get_tx_csum = e1000_get_tx_csum, - .set_tx_csum = e1000_set_tx_csum, - .get_sg = ethtool_op_get_sg, - .set_sg = ethtool_op_set_sg, - .get_tso = ethtool_op_get_tso, - .set_tso = e1000_set_tso, - .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 = e1000e_get_sset_count, - .get_coalesce = e1000_get_coalesce, - .set_coalesce = e1000_set_coalesce, - .get_flags = ethtool_op_get_flags, - .set_flags = e1000e_set_flags, -}; - -void e1000e_set_ethtool_ops(struct net_device *netdev) -{ - SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops); -} |