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1889 lines
51 KiB
1889 lines
51 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* Copyright(c) 1999 - 2006 Intel Corporation. */ |
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|
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/* ethtool support for e1000 */ |
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#include "e1000.h" |
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#include <linux/jiffies.h> |
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#include <linux/uaccess.h> |
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enum {NETDEV_STATS, E1000_STATS}; |
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struct e1000_stats { |
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char stat_string[ETH_GSTRING_LEN]; |
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int type; |
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int sizeof_stat; |
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int stat_offset; |
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}; |
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#define E1000_STAT(m) E1000_STATS, \ |
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sizeof(((struct e1000_adapter *)0)->m), \ |
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offsetof(struct e1000_adapter, m) |
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#define E1000_NETDEV_STAT(m) NETDEV_STATS, \ |
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sizeof(((struct net_device *)0)->m), \ |
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offsetof(struct net_device, m) |
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static const struct e1000_stats e1000_gstrings_stats[] = { |
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{ "rx_packets", E1000_STAT(stats.gprc) }, |
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{ "tx_packets", E1000_STAT(stats.gptc) }, |
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{ "rx_bytes", E1000_STAT(stats.gorcl) }, |
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{ "tx_bytes", E1000_STAT(stats.gotcl) }, |
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{ "rx_broadcast", E1000_STAT(stats.bprc) }, |
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{ "tx_broadcast", E1000_STAT(stats.bptc) }, |
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{ "rx_multicast", E1000_STAT(stats.mprc) }, |
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{ "tx_multicast", E1000_STAT(stats.mptc) }, |
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{ "rx_errors", E1000_STAT(stats.rxerrc) }, |
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{ "tx_errors", E1000_STAT(stats.txerrc) }, |
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{ "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) }, |
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{ "multicast", E1000_STAT(stats.mprc) }, |
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{ "collisions", E1000_STAT(stats.colc) }, |
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{ "rx_length_errors", E1000_STAT(stats.rlerrc) }, |
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{ "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) }, |
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{ "rx_crc_errors", E1000_STAT(stats.crcerrs) }, |
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{ "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) }, |
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{ "rx_no_buffer_count", E1000_STAT(stats.rnbc) }, |
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{ "rx_missed_errors", E1000_STAT(stats.mpc) }, |
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{ "tx_aborted_errors", E1000_STAT(stats.ecol) }, |
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{ "tx_carrier_errors", E1000_STAT(stats.tncrs) }, |
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{ "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) }, |
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{ "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) }, |
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{ "tx_window_errors", E1000_STAT(stats.latecol) }, |
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{ "tx_abort_late_coll", E1000_STAT(stats.latecol) }, |
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{ "tx_deferred_ok", E1000_STAT(stats.dc) }, |
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{ "tx_single_coll_ok", E1000_STAT(stats.scc) }, |
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{ "tx_multi_coll_ok", E1000_STAT(stats.mcc) }, |
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{ "tx_timeout_count", E1000_STAT(tx_timeout_count) }, |
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{ "tx_restart_queue", E1000_STAT(restart_queue) }, |
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{ "rx_long_length_errors", E1000_STAT(stats.roc) }, |
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{ "rx_short_length_errors", E1000_STAT(stats.ruc) }, |
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{ "rx_align_errors", E1000_STAT(stats.algnerrc) }, |
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{ "tx_tcp_seg_good", E1000_STAT(stats.tsctc) }, |
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{ "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) }, |
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{ "rx_flow_control_xon", E1000_STAT(stats.xonrxc) }, |
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{ "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) }, |
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{ "tx_flow_control_xon", E1000_STAT(stats.xontxc) }, |
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{ "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) }, |
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{ "rx_long_byte_count", E1000_STAT(stats.gorcl) }, |
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{ "rx_csum_offload_good", E1000_STAT(hw_csum_good) }, |
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{ "rx_csum_offload_errors", E1000_STAT(hw_csum_err) }, |
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{ "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) }, |
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{ "tx_smbus", E1000_STAT(stats.mgptc) }, |
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{ "rx_smbus", E1000_STAT(stats.mgprc) }, |
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{ "dropped_smbus", E1000_STAT(stats.mgpdc) }, |
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}; |
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#define E1000_QUEUE_STATS_LEN 0 |
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#define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats) |
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#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN) |
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static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = { |
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"Register test (offline)", "Eeprom test (offline)", |
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"Interrupt test (offline)", "Loopback test (offline)", |
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"Link test (on/offline)" |
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}; |
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#define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test) |
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static int e1000_get_link_ksettings(struct net_device *netdev, |
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struct ethtool_link_ksettings *cmd) |
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{ |
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struct e1000_adapter *adapter = netdev_priv(netdev); |
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struct e1000_hw *hw = &adapter->hw; |
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u32 supported, advertising; |
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if (hw->media_type == e1000_media_type_copper) { |
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supported = (SUPPORTED_10baseT_Half | |
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SUPPORTED_10baseT_Full | |
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SUPPORTED_100baseT_Half | |
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SUPPORTED_100baseT_Full | |
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SUPPORTED_1000baseT_Full| |
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SUPPORTED_Autoneg | |
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SUPPORTED_TP); |
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advertising = ADVERTISED_TP; |
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if (hw->autoneg == 1) { |
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advertising |= ADVERTISED_Autoneg; |
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/* the e1000 autoneg seems to match ethtool nicely */ |
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advertising |= hw->autoneg_advertised; |
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} |
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cmd->base.port = PORT_TP; |
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cmd->base.phy_address = hw->phy_addr; |
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} else { |
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supported = (SUPPORTED_1000baseT_Full | |
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SUPPORTED_FIBRE | |
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SUPPORTED_Autoneg); |
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advertising = (ADVERTISED_1000baseT_Full | |
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ADVERTISED_FIBRE | |
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ADVERTISED_Autoneg); |
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cmd->base.port = PORT_FIBRE; |
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} |
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if (er32(STATUS) & E1000_STATUS_LU) { |
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e1000_get_speed_and_duplex(hw, &adapter->link_speed, |
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&adapter->link_duplex); |
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cmd->base.speed = adapter->link_speed; |
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/* unfortunately FULL_DUPLEX != DUPLEX_FULL |
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* and HALF_DUPLEX != DUPLEX_HALF |
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*/ |
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if (adapter->link_duplex == FULL_DUPLEX) |
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cmd->base.duplex = DUPLEX_FULL; |
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else |
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cmd->base.duplex = DUPLEX_HALF; |
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} else { |
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cmd->base.speed = SPEED_UNKNOWN; |
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cmd->base.duplex = DUPLEX_UNKNOWN; |
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} |
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cmd->base.autoneg = ((hw->media_type == e1000_media_type_fiber) || |
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hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE; |
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/* MDI-X => 1; MDI => 0 */ |
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if ((hw->media_type == e1000_media_type_copper) && |
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netif_carrier_ok(netdev)) |
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cmd->base.eth_tp_mdix = (!!adapter->phy_info.mdix_mode ? |
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ETH_TP_MDI_X : ETH_TP_MDI); |
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else |
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cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID; |
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if (hw->mdix == AUTO_ALL_MODES) |
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cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO; |
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else |
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cmd->base.eth_tp_mdix_ctrl = hw->mdix; |
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ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, |
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supported); |
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ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, |
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advertising); |
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return 0; |
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} |
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static int e1000_set_link_ksettings(struct net_device *netdev, |
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const struct ethtool_link_ksettings *cmd) |
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{ |
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struct e1000_adapter *adapter = netdev_priv(netdev); |
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struct e1000_hw *hw = &adapter->hw; |
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u32 advertising; |
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ethtool_convert_link_mode_to_legacy_u32(&advertising, |
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cmd->link_modes.advertising); |
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/* MDI setting is only allowed when autoneg enabled because |
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* some hardware doesn't allow MDI setting when speed or |
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* duplex is forced. |
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*/ |
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if (cmd->base.eth_tp_mdix_ctrl) { |
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if (hw->media_type != e1000_media_type_copper) |
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return -EOPNOTSUPP; |
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if ((cmd->base.eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) && |
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(cmd->base.autoneg != AUTONEG_ENABLE)) { |
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e_err(drv, "forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n"); |
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return -EINVAL; |
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} |
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} |
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while (test_and_set_bit(__E1000_RESETTING, &adapter->flags)) |
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msleep(1); |
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if (cmd->base.autoneg == AUTONEG_ENABLE) { |
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hw->autoneg = 1; |
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if (hw->media_type == e1000_media_type_fiber) |
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hw->autoneg_advertised = ADVERTISED_1000baseT_Full | |
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ADVERTISED_FIBRE | |
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ADVERTISED_Autoneg; |
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else |
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hw->autoneg_advertised = advertising | |
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ADVERTISED_TP | |
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ADVERTISED_Autoneg; |
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} else { |
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u32 speed = cmd->base.speed; |
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/* calling this overrides forced MDI setting */ |
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if (e1000_set_spd_dplx(adapter, speed, cmd->base.duplex)) { |
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clear_bit(__E1000_RESETTING, &adapter->flags); |
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return -EINVAL; |
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} |
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} |
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/* MDI-X => 2; MDI => 1; Auto => 3 */ |
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if (cmd->base.eth_tp_mdix_ctrl) { |
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if (cmd->base.eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO) |
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hw->mdix = AUTO_ALL_MODES; |
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else |
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hw->mdix = cmd->base.eth_tp_mdix_ctrl; |
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} |
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/* reset the link */ |
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if (netif_running(adapter->netdev)) { |
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e1000_down(adapter); |
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e1000_up(adapter); |
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} else { |
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e1000_reset(adapter); |
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} |
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clear_bit(__E1000_RESETTING, &adapter->flags); |
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return 0; |
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} |
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static u32 e1000_get_link(struct net_device *netdev) |
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{ |
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struct e1000_adapter *adapter = netdev_priv(netdev); |
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/* If the link is not reported up to netdev, interrupts are disabled, |
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* and so the physical link state may have changed since we last |
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* looked. Set get_link_status to make sure that the true link |
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* state is interrogated, rather than pulling a cached and possibly |
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* stale link state from the driver. |
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*/ |
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if (!netif_carrier_ok(netdev)) |
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adapter->hw.get_link_status = 1; |
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return e1000_has_link(adapter); |
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} |
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static void e1000_get_pauseparam(struct net_device *netdev, |
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struct ethtool_pauseparam *pause) |
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{ |
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struct e1000_adapter *adapter = netdev_priv(netdev); |
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struct e1000_hw *hw = &adapter->hw; |
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pause->autoneg = |
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(adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE); |
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if (hw->fc == E1000_FC_RX_PAUSE) { |
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pause->rx_pause = 1; |
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} else if (hw->fc == E1000_FC_TX_PAUSE) { |
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pause->tx_pause = 1; |
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} else if (hw->fc == E1000_FC_FULL) { |
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pause->rx_pause = 1; |
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pause->tx_pause = 1; |
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} |
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} |
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static int e1000_set_pauseparam(struct net_device *netdev, |
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struct ethtool_pauseparam *pause) |
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{ |
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struct e1000_adapter *adapter = netdev_priv(netdev); |
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struct e1000_hw *hw = &adapter->hw; |
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int retval = 0; |
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adapter->fc_autoneg = pause->autoneg; |
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while (test_and_set_bit(__E1000_RESETTING, &adapter->flags)) |
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msleep(1); |
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if (pause->rx_pause && pause->tx_pause) |
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hw->fc = E1000_FC_FULL; |
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else if (pause->rx_pause && !pause->tx_pause) |
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hw->fc = E1000_FC_RX_PAUSE; |
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else if (!pause->rx_pause && pause->tx_pause) |
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hw->fc = E1000_FC_TX_PAUSE; |
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else if (!pause->rx_pause && !pause->tx_pause) |
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hw->fc = E1000_FC_NONE; |
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hw->original_fc = hw->fc; |
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if (adapter->fc_autoneg == AUTONEG_ENABLE) { |
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if (netif_running(adapter->netdev)) { |
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e1000_down(adapter); |
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e1000_up(adapter); |
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} else { |
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e1000_reset(adapter); |
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} |
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} else |
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retval = ((hw->media_type == e1000_media_type_fiber) ? |
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e1000_setup_link(hw) : e1000_force_mac_fc(hw)); |
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clear_bit(__E1000_RESETTING, &adapter->flags); |
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return retval; |
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} |
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static u32 e1000_get_msglevel(struct net_device *netdev) |
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{ |
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struct e1000_adapter *adapter = netdev_priv(netdev); |
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return adapter->msg_enable; |
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} |
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static void e1000_set_msglevel(struct net_device *netdev, u32 data) |
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{ |
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struct e1000_adapter *adapter = netdev_priv(netdev); |
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adapter->msg_enable = data; |
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} |
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static int e1000_get_regs_len(struct net_device *netdev) |
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{ |
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#define E1000_REGS_LEN 32 |
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return E1000_REGS_LEN * sizeof(u32); |
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} |
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static void e1000_get_regs(struct net_device *netdev, struct ethtool_regs *regs, |
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void *p) |
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{ |
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struct e1000_adapter *adapter = netdev_priv(netdev); |
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struct e1000_hw *hw = &adapter->hw; |
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u32 *regs_buff = p; |
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u16 phy_data; |
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memset(p, 0, E1000_REGS_LEN * sizeof(u32)); |
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regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id; |
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regs_buff[0] = er32(CTRL); |
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regs_buff[1] = er32(STATUS); |
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regs_buff[2] = er32(RCTL); |
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regs_buff[3] = er32(RDLEN); |
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regs_buff[4] = er32(RDH); |
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regs_buff[5] = er32(RDT); |
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regs_buff[6] = er32(RDTR); |
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regs_buff[7] = er32(TCTL); |
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regs_buff[8] = er32(TDLEN); |
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regs_buff[9] = er32(TDH); |
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regs_buff[10] = er32(TDT); |
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regs_buff[11] = er32(TIDV); |
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regs_buff[12] = hw->phy_type; /* PHY type (IGP=1, M88=0) */ |
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if (hw->phy_type == e1000_phy_igp) { |
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e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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IGP01E1000_PHY_AGC_A); |
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e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A & |
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IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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regs_buff[13] = (u32)phy_data; /* cable length */ |
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e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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IGP01E1000_PHY_AGC_B); |
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e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B & |
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IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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regs_buff[14] = (u32)phy_data; /* cable length */ |
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e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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IGP01E1000_PHY_AGC_C); |
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e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C & |
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IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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regs_buff[15] = (u32)phy_data; /* cable length */ |
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e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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IGP01E1000_PHY_AGC_D); |
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e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D & |
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IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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regs_buff[16] = (u32)phy_data; /* cable length */ |
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regs_buff[17] = 0; /* extended 10bt distance (not needed) */ |
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e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0); |
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e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS & |
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IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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regs_buff[18] = (u32)phy_data; /* cable polarity */ |
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e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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IGP01E1000_PHY_PCS_INIT_REG); |
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e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG & |
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IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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regs_buff[19] = (u32)phy_data; /* cable polarity */ |
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regs_buff[20] = 0; /* polarity correction enabled (always) */ |
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regs_buff[22] = 0; /* phy receive errors (unavailable) */ |
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regs_buff[23] = regs_buff[18]; /* mdix mode */ |
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e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0); |
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} else { |
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e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); |
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regs_buff[13] = (u32)phy_data; /* cable length */ |
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regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); |
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regs_buff[17] = (u32)phy_data; /* extended 10bt distance */ |
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regs_buff[18] = regs_buff[13]; /* cable polarity */ |
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regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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regs_buff[20] = regs_buff[17]; /* polarity correction */ |
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/* phy receive errors */ |
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regs_buff[22] = adapter->phy_stats.receive_errors; |
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regs_buff[23] = regs_buff[13]; /* mdix mode */ |
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} |
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regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */ |
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e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data); |
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regs_buff[24] = (u32)phy_data; /* phy local receiver status */ |
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regs_buff[25] = regs_buff[24]; /* phy remote receiver status */ |
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if (hw->mac_type >= e1000_82540 && |
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hw->media_type == e1000_media_type_copper) { |
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regs_buff[26] = er32(MANC); |
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} |
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} |
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|
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static int e1000_get_eeprom_len(struct net_device *netdev) |
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{ |
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struct e1000_adapter *adapter = netdev_priv(netdev); |
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struct e1000_hw *hw = &adapter->hw; |
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|
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return hw->eeprom.word_size * 2; |
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} |
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|
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static int e1000_get_eeprom(struct net_device *netdev, |
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struct ethtool_eeprom *eeprom, u8 *bytes) |
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{ |
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struct e1000_adapter *adapter = netdev_priv(netdev); |
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struct e1000_hw *hw = &adapter->hw; |
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u16 *eeprom_buff; |
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int first_word, last_word; |
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int ret_val = 0; |
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u16 i; |
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|
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if (eeprom->len == 0) |
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return -EINVAL; |
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|
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eeprom->magic = hw->vendor_id | (hw->device_id << 16); |
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|
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first_word = eeprom->offset >> 1; |
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last_word = (eeprom->offset + eeprom->len - 1) >> 1; |
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|
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eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16), |
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GFP_KERNEL); |
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if (!eeprom_buff) |
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return -ENOMEM; |
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|
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if (hw->eeprom.type == e1000_eeprom_spi) |
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ret_val = e1000_read_eeprom(hw, first_word, |
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last_word - first_word + 1, |
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eeprom_buff); |
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else { |
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for (i = 0; i < last_word - first_word + 1; i++) { |
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ret_val = e1000_read_eeprom(hw, first_word + i, 1, |
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&eeprom_buff[i]); |
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if (ret_val) |
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break; |
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} |
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} |
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|
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/* Device's eeprom is always little-endian, word addressable */ |
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for (i = 0; i < last_word - first_word + 1; i++) |
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le16_to_cpus(&eeprom_buff[i]); |
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|
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memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), |
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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++) |
|
cpu_to_le16s(&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); |
|
|
|
strlcpy(drvinfo->driver, e1000_driver_name, |
|
sizeof(drvinfo->driver)); |
|
|
|
strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), |
|
sizeof(drvinfo->bus_info)); |
|
} |
|
|
|
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_pending = rxdr->count; |
|
ring->tx_pending = txdr->count; |
|
} |
|
|
|
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; |
|
|
|
err = 0; |
|
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); |
|
adapter->rx_ring = rxdr; |
|
adapter->tx_ring = txdr; |
|
err = e1000_up(adapter); |
|
} |
|
kfree(tx_old); |
|
kfree(rx_old); |
|
|
|
clear_bit(__E1000_RESETTING, &adapter->flags); |
|
return err; |
|
|
|
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: |
|
if (netif_running(adapter->netdev)) |
|
e1000_up(adapter); |
|
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); |
|
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, |
|
E1000_RXBUFFER_2048, |
|
DMA_FROM_DEVICE); |
|
kfree(rxdr->buffer_info[i].rxbuf.data); |
|
} |
|
} |
|
|
|
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_tx_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; |
|
} |
|
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); |
|
if (dma_mapping_error(&pdev->dev, txdr->buffer_info[i].dma)) { |
|
ret_val = 4; |
|
goto err_nomem; |
|
} |
|
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_rx_buffer), |
|
GFP_KERNEL); |
|
if (!rxdr->buffer_info) { |
|
ret_val = 5; |
|
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 = 6; |
|
goto err_nomem; |
|
} |
|
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); |
|
u8 *buf; |
|
|
|
buf = kzalloc(E1000_RXBUFFER_2048 + NET_SKB_PAD + NET_IP_ALIGN, |
|
GFP_KERNEL); |
|
if (!buf) { |
|
ret_val = 7; |
|
goto err_nomem; |
|
} |
|
rxdr->buffer_info[i].rxbuf.data = buf; |
|
|
|
rxdr->buffer_info[i].dma = |
|
dma_map_single(&pdev->dev, |
|
buf + NET_SKB_PAD + NET_IP_ALIGN, |
|
E1000_RXBUFFER_2048, DMA_FROM_DEVICE); |
|
if (dma_mapping_error(&pdev->dev, rxdr->buffer_info[i].dma)) { |
|
ret_val = 8; |
|
goto err_nomem; |
|
} |
|
rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma); |
|
} |
|
|
|
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); |
|
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; |
|
} |
|
|
|
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); |
|
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); |
|
skb->data[frame_size / 2 + 10] = 0xBE; |
|
skb->data[frame_size / 2 + 12] = 0xAF; |
|
} |
|
|
|
static int e1000_check_lbtest_frame(const unsigned char *data, |
|
unsigned int frame_size) |
|
{ |
|
frame_size &= ~1; |
|
if (*(data + 3) == 0xFF) { |
|
if ((*(data + frame_size / 2 + 10) == 0xBE) && |
|
(*(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, |
|
E1000_RXBUFFER_2048, |
|
DMA_FROM_DEVICE); |
|
|
|
ret_val = e1000_check_lbtest_frame( |
|
rxdr->buffer_info[l].rxbuf.data + |
|
NET_SKB_PAD + NET_IP_ALIGN, |
|
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 && time_after(time + 20, jiffies)); |
|
|
|
if (good_cnt != 64) { |
|
ret_val = 13; /* ret_val is the same as mis-compare */ |
|
break; |
|
} |
|
if (time_after_eq(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 */ |
|
e1000_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) |
|
e1000_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 support 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 kernel_ethtool_coalesce *kernel_coal, |
|
struct netlink_ext_ack *extack) |
|
{ |
|
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 kernel_ethtool_coalesce *kernel_coal, |
|
struct netlink_ext_ack *extack) |
|
{ |
|
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; |
|
const struct e1000_stats *stat = e1000_gstrings_stats; |
|
|
|
e1000_update_stats(adapter); |
|
for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++, stat++) { |
|
char *p; |
|
|
|
switch (stat->type) { |
|
case NETDEV_STATS: |
|
p = (char *)netdev + stat->stat_offset; |
|
break; |
|
case E1000_STATS: |
|
p = (char *)adapter + stat->stat_offset; |
|
break; |
|
default: |
|
netdev_WARN_ONCE(netdev, "Invalid E1000 stat type: %u index %d\n", |
|
stat->type, i); |
|
continue; |
|
} |
|
|
|
if (stat->sizeof_stat == sizeof(u64)) |
|
data[i] = *(u64 *)p; |
|
else |
|
data[i] = *(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 = { |
|
.supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS, |
|
.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, |
|
.get_ts_info = ethtool_op_get_ts_info, |
|
.get_link_ksettings = e1000_get_link_ksettings, |
|
.set_link_ksettings = e1000_set_link_ksettings, |
|
}; |
|
|
|
void e1000_set_ethtool_ops(struct net_device *netdev) |
|
{ |
|
netdev->ethtool_ops = &e1000_ethtool_ops; |
|
}
|
|
|