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/*******************************************************************************
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Intel PRO/1000 Linux driver
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Copyright(c) 1999 - 2006 Intel Corporation.
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This program is free software; you can redistribute it and/or modify it
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under the terms and conditions of the GNU General Public License,
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version 2, as published by the Free Software Foundation.
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This program is distributed in the hope it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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The full GNU General Public License is included in this distribution in
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the file called "COPYING".
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Linux NICS <linux.nics@intel.com>
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e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*******************************************************************************/
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/* ethtool support for e1000 */
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#include <asm/uaccess.h>
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enum {NETDEV_STATS, E1000_STATS};
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char stat_string[ETH_GSTRING_LEN];
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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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#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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#define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
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static int e1000_get_settings(struct net_device *netdev,
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struct ethtool_cmd *ecmd)
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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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if (hw->media_type == e1000_media_type_copper) {
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ecmd->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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ecmd->advertising = ADVERTISED_TP;
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if (hw->autoneg == 1) {
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ecmd->advertising |= ADVERTISED_Autoneg;
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/* the e1000 autoneg seems to match ethtool nicely */
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ecmd->advertising |= hw->autoneg_advertised;
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ecmd->port = PORT_TP;
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ecmd->phy_address = hw->phy_addr;
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if (hw->mac_type == e1000_82543)
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ecmd->transceiver = XCVR_EXTERNAL;
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ecmd->transceiver = XCVR_INTERNAL;
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ecmd->supported = (SUPPORTED_1000baseT_Full |
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ecmd->advertising = (ADVERTISED_1000baseT_Full |
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ecmd->port = PORT_FIBRE;
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if (hw->mac_type >= e1000_82545)
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ecmd->transceiver = XCVR_INTERNAL;
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ecmd->transceiver = XCVR_EXTERNAL;
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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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ethtool_cmd_speed_set(ecmd, 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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if (adapter->link_duplex == FULL_DUPLEX)
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ecmd->duplex = DUPLEX_FULL;
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ecmd->duplex = DUPLEX_HALF;
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ethtool_cmd_speed_set(ecmd, -1);
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ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
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hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
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static int e1000_set_settings(struct net_device *netdev,
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struct ethtool_cmd *ecmd)
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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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while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
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if (ecmd->autoneg == AUTONEG_ENABLE) {
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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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hw->autoneg_advertised = ecmd->advertising |
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ecmd->advertising = hw->autoneg_advertised;
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u32 speed = ethtool_cmd_speed(ecmd);
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if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
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clear_bit(__E1000_RESETTING, &adapter->flags);
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if (netif_running(adapter->netdev)) {
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e1000_reset(adapter);
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clear_bit(__E1000_RESETTING, &adapter->flags);
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static u32 e1000_get_link(struct net_device *netdev)
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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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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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static void e1000_get_pauseparam(struct net_device *netdev,
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struct ethtool_pauseparam *pause)
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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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(adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
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if (hw->fc == E1000_FC_RX_PAUSE)
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else if (hw->fc == E1000_FC_TX_PAUSE)
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else if (hw->fc == E1000_FC_FULL) {
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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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struct e1000_adapter *adapter = netdev_priv(netdev);
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struct e1000_hw *hw = &adapter->hw;
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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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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_reset(adapter);
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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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static u32 e1000_get_rx_csum(struct net_device *netdev)
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struct e1000_adapter *adapter = netdev_priv(netdev);
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return adapter->rx_csum;
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static int e1000_set_rx_csum(struct net_device *netdev, u32 data)
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struct e1000_adapter *adapter = netdev_priv(netdev);
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adapter->rx_csum = data;
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if (netif_running(netdev))
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e1000_reinit_locked(adapter);
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e1000_reset(adapter);
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static u32 e1000_get_tx_csum(struct net_device *netdev)
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return (netdev->features & NETIF_F_HW_CSUM) != 0;
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static int e1000_set_tx_csum(struct net_device *netdev, u32 data)
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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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if (hw->mac_type < e1000_82543) {
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netdev->features |= NETIF_F_HW_CSUM;
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netdev->features &= ~NETIF_F_HW_CSUM;
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static int e1000_set_tso(struct net_device *netdev, u32 data)
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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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if ((hw->mac_type < e1000_82544) ||
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(hw->mac_type == e1000_82547))
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return data ? -EINVAL : 0;
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netdev->features |= NETIF_F_TSO;
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netdev->features &= ~NETIF_F_TSO;
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netdev->features &= ~NETIF_F_TSO6;
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e_info(probe, "TSO is %s\n", data ? "Enabled" : "Disabled");
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adapter->tso_force = true;
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static u32 e1000_get_msglevel(struct net_device *netdev)
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struct e1000_adapter *adapter = netdev_priv(netdev);
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return adapter->msg_enable;
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static void e1000_set_msglevel(struct net_device *netdev, u32 data)
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struct e1000_adapter *adapter = netdev_priv(netdev);
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adapter->msg_enable = data;
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static int e1000_get_regs_len(struct net_device *netdev)
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#define E1000_REGS_LEN 32
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return E1000_REGS_LEN * sizeof(u32);
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static void e1000_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
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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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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 */
436
e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
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e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
439
regs_buff[13] = (u32)phy_data; /* cable length */
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regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
441
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 */
445
regs_buff[18] = regs_buff[13]; /* cable polarity */
446
regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
447
regs_buff[20] = regs_buff[17]; /* polarity correction */
448
/* phy receive errors */
449
regs_buff[22] = adapter->phy_stats.receive_errors;
450
regs_buff[23] = regs_buff[13]; /* mdix mode */
452
regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */
453
e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
454
regs_buff[24] = (u32)phy_data; /* phy local receiver status */
455
regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
456
if (hw->mac_type >= e1000_82540 &&
457
hw->media_type == e1000_media_type_copper) {
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regs_buff[26] = er32(MANC);
462
static int e1000_get_eeprom_len(struct net_device *netdev)
464
struct e1000_adapter *adapter = netdev_priv(netdev);
465
struct e1000_hw *hw = &adapter->hw;
467
return hw->eeprom.word_size * 2;
470
static int e1000_get_eeprom(struct net_device *netdev,
471
struct ethtool_eeprom *eeprom, u8 *bytes)
473
struct e1000_adapter *adapter = netdev_priv(netdev);
474
struct e1000_hw *hw = &adapter->hw;
476
int first_word, last_word;
480
if (eeprom->len == 0)
483
eeprom->magic = hw->vendor_id | (hw->device_id << 16);
485
first_word = eeprom->offset >> 1;
486
last_word = (eeprom->offset + eeprom->len - 1) >> 1;
488
eeprom_buff = kmalloc(sizeof(u16) *
489
(last_word - first_word + 1), GFP_KERNEL);
493
if (hw->eeprom.type == e1000_eeprom_spi)
494
ret_val = e1000_read_eeprom(hw, first_word,
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last_word - first_word + 1,
498
for (i = 0; i < last_word - first_word + 1; i++) {
499
ret_val = e1000_read_eeprom(hw, first_word + i, 1,
506
/* Device's eeprom is always little-endian, word addressable */
507
for (i = 0; i < last_word - first_word + 1; i++)
508
le16_to_cpus(&eeprom_buff[i]);
510
memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1),
517
static int e1000_set_eeprom(struct net_device *netdev,
518
struct ethtool_eeprom *eeprom, u8 *bytes)
520
struct e1000_adapter *adapter = netdev_priv(netdev);
521
struct e1000_hw *hw = &adapter->hw;
524
int max_len, first_word, last_word, ret_val = 0;
527
if (eeprom->len == 0)
530
if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
533
max_len = hw->eeprom.word_size * 2;
535
first_word = eeprom->offset >> 1;
536
last_word = (eeprom->offset + eeprom->len - 1) >> 1;
537
eeprom_buff = kmalloc(max_len, GFP_KERNEL);
541
ptr = (void *)eeprom_buff;
543
if (eeprom->offset & 1) {
544
/* need read/modify/write of first changed EEPROM word */
545
/* only the second byte of the word is being modified */
546
ret_val = e1000_read_eeprom(hw, first_word, 1,
550
if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
551
/* need read/modify/write of last changed EEPROM word */
552
/* only the first byte of the word is being modified */
553
ret_val = e1000_read_eeprom(hw, last_word, 1,
554
&eeprom_buff[last_word - first_word]);
557
/* Device's eeprom is always little-endian, word addressable */
558
for (i = 0; i < last_word - first_word + 1; i++)
559
le16_to_cpus(&eeprom_buff[i]);
561
memcpy(ptr, bytes, eeprom->len);
563
for (i = 0; i < last_word - first_word + 1; i++)
564
eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
566
ret_val = e1000_write_eeprom(hw, first_word,
567
last_word - first_word + 1, eeprom_buff);
569
/* Update the checksum over the first part of the EEPROM if needed */
570
if ((ret_val == 0) && (first_word <= EEPROM_CHECKSUM_REG))
571
e1000_update_eeprom_checksum(hw);
577
static void e1000_get_drvinfo(struct net_device *netdev,
578
struct ethtool_drvinfo *drvinfo)
580
struct e1000_adapter *adapter = netdev_priv(netdev);
581
char firmware_version[32];
583
strncpy(drvinfo->driver, e1000_driver_name, 32);
584
strncpy(drvinfo->version, e1000_driver_version, 32);
586
sprintf(firmware_version, "N/A");
587
strncpy(drvinfo->fw_version, firmware_version, 32);
588
strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
589
drvinfo->regdump_len = e1000_get_regs_len(netdev);
590
drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
593
static void e1000_get_ringparam(struct net_device *netdev,
594
struct ethtool_ringparam *ring)
596
struct e1000_adapter *adapter = netdev_priv(netdev);
597
struct e1000_hw *hw = &adapter->hw;
598
e1000_mac_type mac_type = hw->mac_type;
599
struct e1000_tx_ring *txdr = adapter->tx_ring;
600
struct e1000_rx_ring *rxdr = adapter->rx_ring;
602
ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
604
ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
606
ring->rx_mini_max_pending = 0;
607
ring->rx_jumbo_max_pending = 0;
608
ring->rx_pending = rxdr->count;
609
ring->tx_pending = txdr->count;
610
ring->rx_mini_pending = 0;
611
ring->rx_jumbo_pending = 0;
614
static int e1000_set_ringparam(struct net_device *netdev,
615
struct ethtool_ringparam *ring)
617
struct e1000_adapter *adapter = netdev_priv(netdev);
618
struct e1000_hw *hw = &adapter->hw;
619
e1000_mac_type mac_type = hw->mac_type;
620
struct e1000_tx_ring *txdr, *tx_old;
621
struct e1000_rx_ring *rxdr, *rx_old;
624
if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
627
while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
630
if (netif_running(adapter->netdev))
633
tx_old = adapter->tx_ring;
634
rx_old = adapter->rx_ring;
637
txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring), GFP_KERNEL);
641
rxdr = kcalloc(adapter->num_rx_queues, sizeof(struct e1000_rx_ring), GFP_KERNEL);
645
adapter->tx_ring = txdr;
646
adapter->rx_ring = rxdr;
648
rxdr->count = max(ring->rx_pending,(u32)E1000_MIN_RXD);
649
rxdr->count = min(rxdr->count,(u32)(mac_type < e1000_82544 ?
650
E1000_MAX_RXD : E1000_MAX_82544_RXD));
651
rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
653
txdr->count = max(ring->tx_pending,(u32)E1000_MIN_TXD);
654
txdr->count = min(txdr->count,(u32)(mac_type < e1000_82544 ?
655
E1000_MAX_TXD : E1000_MAX_82544_TXD));
656
txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
658
for (i = 0; i < adapter->num_tx_queues; i++)
659
txdr[i].count = txdr->count;
660
for (i = 0; i < adapter->num_rx_queues; i++)
661
rxdr[i].count = rxdr->count;
663
if (netif_running(adapter->netdev)) {
664
/* Try to get new resources before deleting old */
665
err = e1000_setup_all_rx_resources(adapter);
668
err = e1000_setup_all_tx_resources(adapter);
672
/* save the new, restore the old in order to free it,
673
* then restore the new back again */
675
adapter->rx_ring = rx_old;
676
adapter->tx_ring = tx_old;
677
e1000_free_all_rx_resources(adapter);
678
e1000_free_all_tx_resources(adapter);
681
adapter->rx_ring = rxdr;
682
adapter->tx_ring = txdr;
683
err = e1000_up(adapter);
688
clear_bit(__E1000_RESETTING, &adapter->flags);
691
e1000_free_all_rx_resources(adapter);
693
adapter->rx_ring = rx_old;
694
adapter->tx_ring = tx_old;
701
clear_bit(__E1000_RESETTING, &adapter->flags);
705
static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, int reg,
708
struct e1000_hw *hw = &adapter->hw;
709
static const u32 test[] =
710
{0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
711
u8 __iomem *address = hw->hw_addr + reg;
715
for (i = 0; i < ARRAY_SIZE(test); i++) {
716
writel(write & test[i], address);
717
read = readl(address);
718
if (read != (write & test[i] & mask)) {
719
e_err(drv, "pattern test reg %04X failed: "
720
"got 0x%08X expected 0x%08X\n",
721
reg, read, (write & test[i] & mask));
729
static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, int reg,
732
struct e1000_hw *hw = &adapter->hw;
733
u8 __iomem *address = hw->hw_addr + reg;
736
writel(write & mask, address);
737
read = readl(address);
738
if ((read & mask) != (write & mask)) {
739
e_err(drv, "set/check reg %04X test failed: "
740
"got 0x%08X expected 0x%08X\n",
741
reg, (read & mask), (write & mask));
748
#define REG_PATTERN_TEST(reg, mask, write) \
750
if (reg_pattern_test(adapter, data, \
751
(hw->mac_type >= e1000_82543) \
752
? E1000_##reg : E1000_82542_##reg, \
757
#define REG_SET_AND_CHECK(reg, mask, write) \
759
if (reg_set_and_check(adapter, data, \
760
(hw->mac_type >= e1000_82543) \
761
? E1000_##reg : E1000_82542_##reg, \
766
static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
768
u32 value, before, after;
770
struct e1000_hw *hw = &adapter->hw;
772
/* The status register is Read Only, so a write should fail.
773
* Some bits that get toggled are ignored.
776
/* there are several bits on newer hardware that are r/w */
779
before = er32(STATUS);
780
value = (er32(STATUS) & toggle);
781
ew32(STATUS, toggle);
782
after = er32(STATUS) & toggle;
783
if (value != after) {
784
e_err(drv, "failed STATUS register test got: "
785
"0x%08X expected: 0x%08X\n", after, value);
789
/* restore previous status */
790
ew32(STATUS, before);
792
REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
793
REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
794
REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
795
REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
797
REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
798
REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
799
REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
800
REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
801
REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
802
REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
803
REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
804
REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
805
REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
806
REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
808
REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
811
REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB);
812
REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
814
if (hw->mac_type >= e1000_82543) {
816
REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF);
817
REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
818
REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
819
REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
820
REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
821
value = E1000_RAR_ENTRIES;
822
for (i = 0; i < value; i++) {
823
REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
829
REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
830
REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
831
REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
832
REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
836
value = E1000_MC_TBL_SIZE;
837
for (i = 0; i < value; i++)
838
REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
844
static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
846
struct e1000_hw *hw = &adapter->hw;
852
/* Read and add up the contents of the EEPROM */
853
for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
854
if ((e1000_read_eeprom(hw, i, 1, &temp)) < 0) {
861
/* If Checksum is not Correct return error else test passed */
862
if ((checksum != (u16)EEPROM_SUM) && !(*data))
868
static irqreturn_t e1000_test_intr(int irq, void *data)
870
struct net_device *netdev = (struct net_device *)data;
871
struct e1000_adapter *adapter = netdev_priv(netdev);
872
struct e1000_hw *hw = &adapter->hw;
874
adapter->test_icr |= er32(ICR);
879
static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
881
struct net_device *netdev = adapter->netdev;
883
bool shared_int = true;
884
u32 irq = adapter->pdev->irq;
885
struct e1000_hw *hw = &adapter->hw;
889
/* NOTE: we don't test MSI interrupts here, yet */
890
/* Hook up test interrupt handler just for this test */
891
if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
894
else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
895
netdev->name, netdev)) {
899
e_info(hw, "testing %s interrupt\n", (shared_int ?
900
"shared" : "unshared"));
902
/* Disable all the interrupts */
903
ew32(IMC, 0xFFFFFFFF);
906
/* Test each interrupt */
907
for (; i < 10; i++) {
909
/* Interrupt to test */
913
/* Disable the interrupt to be reported in
914
* the cause register and then force the same
915
* interrupt and see if one gets posted. If
916
* an interrupt was posted to the bus, the
919
adapter->test_icr = 0;
924
if (adapter->test_icr & mask) {
930
/* Enable the interrupt to be reported in
931
* the cause register and then force the same
932
* interrupt and see if one gets posted. If
933
* an interrupt was not posted to the bus, the
936
adapter->test_icr = 0;
941
if (!(adapter->test_icr & mask)) {
947
/* Disable the other interrupts to be reported in
948
* the cause register and then force the other
949
* interrupts and see if any get posted. If
950
* an interrupt was posted to the bus, the
953
adapter->test_icr = 0;
954
ew32(IMC, ~mask & 0x00007FFF);
955
ew32(ICS, ~mask & 0x00007FFF);
958
if (adapter->test_icr) {
965
/* Disable all the interrupts */
966
ew32(IMC, 0xFFFFFFFF);
969
/* Unhook test interrupt handler */
970
free_irq(irq, netdev);
975
static void e1000_free_desc_rings(struct e1000_adapter *adapter)
977
struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
978
struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
979
struct pci_dev *pdev = adapter->pdev;
982
if (txdr->desc && txdr->buffer_info) {
983
for (i = 0; i < txdr->count; i++) {
984
if (txdr->buffer_info[i].dma)
985
dma_unmap_single(&pdev->dev,
986
txdr->buffer_info[i].dma,
987
txdr->buffer_info[i].length,
989
if (txdr->buffer_info[i].skb)
990
dev_kfree_skb(txdr->buffer_info[i].skb);
994
if (rxdr->desc && rxdr->buffer_info) {
995
for (i = 0; i < rxdr->count; i++) {
996
if (rxdr->buffer_info[i].dma)
997
dma_unmap_single(&pdev->dev,
998
rxdr->buffer_info[i].dma,
999
rxdr->buffer_info[i].length,
1001
if (rxdr->buffer_info[i].skb)
1002
dev_kfree_skb(rxdr->buffer_info[i].skb);
1007
dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
1012
dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
1017
kfree(txdr->buffer_info);
1018
txdr->buffer_info = NULL;
1019
kfree(rxdr->buffer_info);
1020
rxdr->buffer_info = NULL;
1023
static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1025
struct e1000_hw *hw = &adapter->hw;
1026
struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1027
struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1028
struct pci_dev *pdev = adapter->pdev;
1032
/* Setup Tx descriptor ring and Tx buffers */
1035
txdr->count = E1000_DEFAULT_TXD;
1037
txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_buffer),
1039
if (!txdr->buffer_info) {
1044
txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
1045
txdr->size = ALIGN(txdr->size, 4096);
1046
txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
1052
memset(txdr->desc, 0, txdr->size);
1053
txdr->next_to_use = txdr->next_to_clean = 0;
1055
ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF));
1056
ew32(TDBAH, ((u64)txdr->dma >> 32));
1057
ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc));
1060
ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN |
1061
E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1062
E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1064
for (i = 0; i < txdr->count; i++) {
1065
struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1066
struct sk_buff *skb;
1067
unsigned int size = 1024;
1069
skb = alloc_skb(size, GFP_KERNEL);
1075
txdr->buffer_info[i].skb = skb;
1076
txdr->buffer_info[i].length = skb->len;
1077
txdr->buffer_info[i].dma =
1078
dma_map_single(&pdev->dev, skb->data, skb->len,
1080
tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1081
tx_desc->lower.data = cpu_to_le32(skb->len);
1082
tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1083
E1000_TXD_CMD_IFCS |
1085
tx_desc->upper.data = 0;
1088
/* Setup Rx descriptor ring and Rx buffers */
1091
rxdr->count = E1000_DEFAULT_RXD;
1093
rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_buffer),
1095
if (!rxdr->buffer_info) {
1100
rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1101
rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
1107
memset(rxdr->desc, 0, rxdr->size);
1108
rxdr->next_to_use = rxdr->next_to_clean = 0;
1111
ew32(RCTL, rctl & ~E1000_RCTL_EN);
1112
ew32(RDBAL, ((u64)rxdr->dma & 0xFFFFFFFF));
1113
ew32(RDBAH, ((u64)rxdr->dma >> 32));
1114
ew32(RDLEN, rxdr->size);
1117
rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1118
E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1119
(hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
1122
for (i = 0; i < rxdr->count; i++) {
1123
struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1124
struct sk_buff *skb;
1126
skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN, GFP_KERNEL);
1131
skb_reserve(skb, NET_IP_ALIGN);
1132
rxdr->buffer_info[i].skb = skb;
1133
rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
1134
rxdr->buffer_info[i].dma =
1135
dma_map_single(&pdev->dev, skb->data,
1136
E1000_RXBUFFER_2048, DMA_FROM_DEVICE);
1137
rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1138
memset(skb->data, 0x00, skb->len);
1144
e1000_free_desc_rings(adapter);
1148
static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1150
struct e1000_hw *hw = &adapter->hw;
1152
/* Write out to PHY registers 29 and 30 to disable the Receiver. */
1153
e1000_write_phy_reg(hw, 29, 0x001F);
1154
e1000_write_phy_reg(hw, 30, 0x8FFC);
1155
e1000_write_phy_reg(hw, 29, 0x001A);
1156
e1000_write_phy_reg(hw, 30, 0x8FF0);
1159
static void e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1161
struct e1000_hw *hw = &adapter->hw;
1164
/* Because we reset the PHY above, we need to re-force TX_CLK in the
1165
* Extended PHY Specific Control Register to 25MHz clock. This
1166
* value defaults back to a 2.5MHz clock when the PHY is reset.
1168
e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1169
phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1170
e1000_write_phy_reg(hw,
1171
M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1173
/* In addition, because of the s/w reset above, we need to enable
1174
* CRS on TX. This must be set for both full and half duplex
1177
e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1178
phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1179
e1000_write_phy_reg(hw,
1180
M88E1000_PHY_SPEC_CTRL, phy_reg);
1183
static int e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1185
struct e1000_hw *hw = &adapter->hw;
1189
/* Setup the Device Control Register for PHY loopback test. */
1191
ctrl_reg = er32(CTRL);
1192
ctrl_reg |= (E1000_CTRL_ILOS | /* Invert Loss-Of-Signal */
1193
E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1194
E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1195
E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */
1196
E1000_CTRL_FD); /* Force Duplex to FULL */
1198
ew32(CTRL, ctrl_reg);
1200
/* Read the PHY Specific Control Register (0x10) */
1201
e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1203
/* Clear Auto-Crossover bits in PHY Specific Control Register
1206
phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1207
e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1209
/* Perform software reset on the PHY */
1210
e1000_phy_reset(hw);
1212
/* Have to setup TX_CLK and TX_CRS after software reset */
1213
e1000_phy_reset_clk_and_crs(adapter);
1215
e1000_write_phy_reg(hw, PHY_CTRL, 0x8100);
1217
/* Wait for reset to complete. */
1220
/* Have to setup TX_CLK and TX_CRS after software reset */
1221
e1000_phy_reset_clk_and_crs(adapter);
1223
/* Write out to PHY registers 29 and 30 to disable the Receiver. */
1224
e1000_phy_disable_receiver(adapter);
1226
/* Set the loopback bit in the PHY control register. */
1227
e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1228
phy_reg |= MII_CR_LOOPBACK;
1229
e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1231
/* Setup TX_CLK and TX_CRS one more time. */
1232
e1000_phy_reset_clk_and_crs(adapter);
1234
/* Check Phy Configuration */
1235
e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1236
if (phy_reg != 0x4100)
1239
e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1240
if (phy_reg != 0x0070)
1243
e1000_read_phy_reg(hw, 29, &phy_reg);
1244
if (phy_reg != 0x001A)
1250
static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1252
struct e1000_hw *hw = &adapter->hw;
1256
hw->autoneg = false;
1258
if (hw->phy_type == e1000_phy_m88) {
1259
/* Auto-MDI/MDIX Off */
1260
e1000_write_phy_reg(hw,
1261
M88E1000_PHY_SPEC_CTRL, 0x0808);
1262
/* reset to update Auto-MDI/MDIX */
1263
e1000_write_phy_reg(hw, PHY_CTRL, 0x9140);
1265
e1000_write_phy_reg(hw, PHY_CTRL, 0x8140);
1268
ctrl_reg = er32(CTRL);
1270
/* force 1000, set loopback */
1271
e1000_write_phy_reg(hw, PHY_CTRL, 0x4140);
1273
/* Now set up the MAC to the same speed/duplex as the PHY. */
1274
ctrl_reg = er32(CTRL);
1275
ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1276
ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1277
E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1278
E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1279
E1000_CTRL_FD); /* Force Duplex to FULL */
1281
if (hw->media_type == e1000_media_type_copper &&
1282
hw->phy_type == e1000_phy_m88)
1283
ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1285
/* Set the ILOS bit on the fiber Nic is half
1286
* duplex link is detected. */
1287
stat_reg = er32(STATUS);
1288
if ((stat_reg & E1000_STATUS_FD) == 0)
1289
ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1292
ew32(CTRL, ctrl_reg);
1294
/* Disable the receiver on the PHY so when a cable is plugged in, the
1295
* PHY does not begin to autoneg when a cable is reconnected to the NIC.
1297
if (hw->phy_type == e1000_phy_m88)
1298
e1000_phy_disable_receiver(adapter);
1305
static int e1000_set_phy_loopback(struct e1000_adapter *adapter)
1307
struct e1000_hw *hw = &adapter->hw;
1311
switch (hw->mac_type) {
1313
if (hw->media_type == e1000_media_type_copper) {
1314
/* Attempt to setup Loopback mode on Non-integrated PHY.
1315
* Some PHY registers get corrupted at random, so
1316
* attempt this 10 times.
1318
while (e1000_nonintegrated_phy_loopback(adapter) &&
1328
case e1000_82545_rev_3:
1330
case e1000_82546_rev_3:
1332
case e1000_82541_rev_2:
1334
case e1000_82547_rev_2:
1335
return e1000_integrated_phy_loopback(adapter);
1338
/* Default PHY loopback work is to read the MII
1339
* control register and assert bit 14 (loopback mode).
1341
e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1342
phy_reg |= MII_CR_LOOPBACK;
1343
e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1351
static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1353
struct e1000_hw *hw = &adapter->hw;
1356
if (hw->media_type == e1000_media_type_fiber ||
1357
hw->media_type == e1000_media_type_internal_serdes) {
1358
switch (hw->mac_type) {
1361
case e1000_82545_rev_3:
1362
case e1000_82546_rev_3:
1363
return e1000_set_phy_loopback(adapter);
1367
rctl |= E1000_RCTL_LBM_TCVR;
1371
} else if (hw->media_type == e1000_media_type_copper)
1372
return e1000_set_phy_loopback(adapter);
1377
static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1379
struct e1000_hw *hw = &adapter->hw;
1384
rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1387
switch (hw->mac_type) {
1390
case e1000_82545_rev_3:
1391
case e1000_82546_rev_3:
1394
e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1395
if (phy_reg & MII_CR_LOOPBACK) {
1396
phy_reg &= ~MII_CR_LOOPBACK;
1397
e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1398
e1000_phy_reset(hw);
1404
static void e1000_create_lbtest_frame(struct sk_buff *skb,
1405
unsigned int frame_size)
1407
memset(skb->data, 0xFF, frame_size);
1409
memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1410
memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1411
memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1414
static int e1000_check_lbtest_frame(struct sk_buff *skb,
1415
unsigned int frame_size)
1418
if (*(skb->data + 3) == 0xFF) {
1419
if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1420
(*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1427
static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1429
struct e1000_hw *hw = &adapter->hw;
1430
struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1431
struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1432
struct pci_dev *pdev = adapter->pdev;
1433
int i, j, k, l, lc, good_cnt, ret_val=0;
1436
ew32(RDT, rxdr->count - 1);
1438
/* Calculate the loop count based on the largest descriptor ring
1439
* The idea is to wrap the largest ring a number of times using 64
1440
* send/receive pairs during each loop
1443
if (rxdr->count <= txdr->count)
1444
lc = ((txdr->count / 64) * 2) + 1;
1446
lc = ((rxdr->count / 64) * 2) + 1;
1449
for (j = 0; j <= lc; j++) { /* loop count loop */
1450
for (i = 0; i < 64; i++) { /* send the packets */
1451
e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1453
dma_sync_single_for_device(&pdev->dev,
1454
txdr->buffer_info[k].dma,
1455
txdr->buffer_info[k].length,
1457
if (unlikely(++k == txdr->count)) k = 0;
1461
time = jiffies; /* set the start time for the receive */
1463
do { /* receive the sent packets */
1464
dma_sync_single_for_cpu(&pdev->dev,
1465
rxdr->buffer_info[l].dma,
1466
rxdr->buffer_info[l].length,
1469
ret_val = e1000_check_lbtest_frame(
1470
rxdr->buffer_info[l].skb,
1474
if (unlikely(++l == rxdr->count)) l = 0;
1475
/* time + 20 msecs (200 msecs on 2.4) is more than
1476
* enough time to complete the receives, if it's
1477
* exceeded, break and error off
1479
} while (good_cnt < 64 && jiffies < (time + 20));
1480
if (good_cnt != 64) {
1481
ret_val = 13; /* ret_val is the same as mis-compare */
1484
if (jiffies >= (time + 2)) {
1485
ret_val = 14; /* error code for time out error */
1488
} /* end loop count loop */
1492
static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1494
*data = e1000_setup_desc_rings(adapter);
1497
*data = e1000_setup_loopback_test(adapter);
1500
*data = e1000_run_loopback_test(adapter);
1501
e1000_loopback_cleanup(adapter);
1504
e1000_free_desc_rings(adapter);
1509
static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1511
struct e1000_hw *hw = &adapter->hw;
1513
if (hw->media_type == e1000_media_type_internal_serdes) {
1515
hw->serdes_has_link = false;
1517
/* On some blade server designs, link establishment
1518
* could take as long as 2-3 minutes */
1520
e1000_check_for_link(hw);
1521
if (hw->serdes_has_link)
1524
} while (i++ < 3750);
1528
e1000_check_for_link(hw);
1529
if (hw->autoneg) /* if auto_neg is set wait for it */
1532
if (!(er32(STATUS) & E1000_STATUS_LU)) {
1539
static int e1000_get_sset_count(struct net_device *netdev, int sset)
1543
return E1000_TEST_LEN;
1545
return E1000_STATS_LEN;
1551
static void e1000_diag_test(struct net_device *netdev,
1552
struct ethtool_test *eth_test, u64 *data)
1554
struct e1000_adapter *adapter = netdev_priv(netdev);
1555
struct e1000_hw *hw = &adapter->hw;
1556
bool if_running = netif_running(netdev);
1558
set_bit(__E1000_TESTING, &adapter->flags);
1559
if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1562
/* save speed, duplex, autoneg settings */
1563
u16 autoneg_advertised = hw->autoneg_advertised;
1564
u8 forced_speed_duplex = hw->forced_speed_duplex;
1565
u8 autoneg = hw->autoneg;
1567
e_info(hw, "offline testing starting\n");
1569
/* Link test performed before hardware reset so autoneg doesn't
1570
* interfere with test result */
1571
if (e1000_link_test(adapter, &data[4]))
1572
eth_test->flags |= ETH_TEST_FL_FAILED;
1575
/* indicate we're in test mode */
1578
e1000_reset(adapter);
1580
if (e1000_reg_test(adapter, &data[0]))
1581
eth_test->flags |= ETH_TEST_FL_FAILED;
1583
e1000_reset(adapter);
1584
if (e1000_eeprom_test(adapter, &data[1]))
1585
eth_test->flags |= ETH_TEST_FL_FAILED;
1587
e1000_reset(adapter);
1588
if (e1000_intr_test(adapter, &data[2]))
1589
eth_test->flags |= ETH_TEST_FL_FAILED;
1591
e1000_reset(adapter);
1592
/* make sure the phy is powered up */
1593
e1000_power_up_phy(adapter);
1594
if (e1000_loopback_test(adapter, &data[3]))
1595
eth_test->flags |= ETH_TEST_FL_FAILED;
1597
/* restore speed, duplex, autoneg settings */
1598
hw->autoneg_advertised = autoneg_advertised;
1599
hw->forced_speed_duplex = forced_speed_duplex;
1600
hw->autoneg = autoneg;
1602
e1000_reset(adapter);
1603
clear_bit(__E1000_TESTING, &adapter->flags);
1607
e_info(hw, "online testing starting\n");
1609
if (e1000_link_test(adapter, &data[4]))
1610
eth_test->flags |= ETH_TEST_FL_FAILED;
1612
/* Online tests aren't run; pass by default */
1618
clear_bit(__E1000_TESTING, &adapter->flags);
1620
msleep_interruptible(4 * 1000);
1623
static int e1000_wol_exclusion(struct e1000_adapter *adapter,
1624
struct ethtool_wolinfo *wol)
1626
struct e1000_hw *hw = &adapter->hw;
1627
int retval = 1; /* fail by default */
1629
switch (hw->device_id) {
1630
case E1000_DEV_ID_82542:
1631
case E1000_DEV_ID_82543GC_FIBER:
1632
case E1000_DEV_ID_82543GC_COPPER:
1633
case E1000_DEV_ID_82544EI_FIBER:
1634
case E1000_DEV_ID_82546EB_QUAD_COPPER:
1635
case E1000_DEV_ID_82545EM_FIBER:
1636
case E1000_DEV_ID_82545EM_COPPER:
1637
case E1000_DEV_ID_82546GB_QUAD_COPPER:
1638
case E1000_DEV_ID_82546GB_PCIE:
1639
/* these don't support WoL at all */
1642
case E1000_DEV_ID_82546EB_FIBER:
1643
case E1000_DEV_ID_82546GB_FIBER:
1644
/* Wake events not supported on port B */
1645
if (er32(STATUS) & E1000_STATUS_FUNC_1) {
1649
/* return success for non excluded adapter ports */
1652
case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1653
/* quad port adapters only support WoL on port A */
1654
if (!adapter->quad_port_a) {
1658
/* return success for non excluded adapter ports */
1662
/* dual port cards only support WoL on port A from now on
1663
* unless it was enabled in the eeprom for port B
1664
* so exclude FUNC_1 ports from having WoL enabled */
1665
if (er32(STATUS) & E1000_STATUS_FUNC_1 &&
1666
!adapter->eeprom_wol) {
1677
static void e1000_get_wol(struct net_device *netdev,
1678
struct ethtool_wolinfo *wol)
1680
struct e1000_adapter *adapter = netdev_priv(netdev);
1681
struct e1000_hw *hw = &adapter->hw;
1683
wol->supported = WAKE_UCAST | WAKE_MCAST |
1684
WAKE_BCAST | WAKE_MAGIC;
1687
/* this function will set ->supported = 0 and return 1 if wol is not
1688
* supported by this hardware */
1689
if (e1000_wol_exclusion(adapter, wol) ||
1690
!device_can_wakeup(&adapter->pdev->dev))
1693
/* apply any specific unsupported masks here */
1694
switch (hw->device_id) {
1695
case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1696
/* KSP3 does not suppport UCAST wake-ups */
1697
wol->supported &= ~WAKE_UCAST;
1699
if (adapter->wol & E1000_WUFC_EX)
1700
e_err(drv, "Interface does not support directed "
1701
"(unicast) frame wake-up packets\n");
1707
if (adapter->wol & E1000_WUFC_EX)
1708
wol->wolopts |= WAKE_UCAST;
1709
if (adapter->wol & E1000_WUFC_MC)
1710
wol->wolopts |= WAKE_MCAST;
1711
if (adapter->wol & E1000_WUFC_BC)
1712
wol->wolopts |= WAKE_BCAST;
1713
if (adapter->wol & E1000_WUFC_MAG)
1714
wol->wolopts |= WAKE_MAGIC;
1717
static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1719
struct e1000_adapter *adapter = netdev_priv(netdev);
1720
struct e1000_hw *hw = &adapter->hw;
1722
if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1725
if (e1000_wol_exclusion(adapter, wol) ||
1726
!device_can_wakeup(&adapter->pdev->dev))
1727
return wol->wolopts ? -EOPNOTSUPP : 0;
1729
switch (hw->device_id) {
1730
case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1731
if (wol->wolopts & WAKE_UCAST) {
1732
e_err(drv, "Interface does not support directed "
1733
"(unicast) frame wake-up packets\n");
1741
/* these settings will always override what we currently have */
1744
if (wol->wolopts & WAKE_UCAST)
1745
adapter->wol |= E1000_WUFC_EX;
1746
if (wol->wolopts & WAKE_MCAST)
1747
adapter->wol |= E1000_WUFC_MC;
1748
if (wol->wolopts & WAKE_BCAST)
1749
adapter->wol |= E1000_WUFC_BC;
1750
if (wol->wolopts & WAKE_MAGIC)
1751
adapter->wol |= E1000_WUFC_MAG;
1753
device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1758
static int e1000_set_phys_id(struct net_device *netdev,
1759
enum ethtool_phys_id_state state)
1761
struct e1000_adapter *adapter = netdev_priv(netdev);
1762
struct e1000_hw *hw = &adapter->hw;
1765
case ETHTOOL_ID_ACTIVE:
1766
e1000_setup_led(hw);
1773
case ETHTOOL_ID_OFF:
1777
case ETHTOOL_ID_INACTIVE:
1778
e1000_cleanup_led(hw);
1784
static int e1000_get_coalesce(struct net_device *netdev,
1785
struct ethtool_coalesce *ec)
1787
struct e1000_adapter *adapter = netdev_priv(netdev);
1789
if (adapter->hw.mac_type < e1000_82545)
1792
if (adapter->itr_setting <= 4)
1793
ec->rx_coalesce_usecs = adapter->itr_setting;
1795
ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1800
static int e1000_set_coalesce(struct net_device *netdev,
1801
struct ethtool_coalesce *ec)
1803
struct e1000_adapter *adapter = netdev_priv(netdev);
1804
struct e1000_hw *hw = &adapter->hw;
1806
if (hw->mac_type < e1000_82545)
1809
if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1810
((ec->rx_coalesce_usecs > 4) &&
1811
(ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1812
(ec->rx_coalesce_usecs == 2))
1815
if (ec->rx_coalesce_usecs == 4) {
1816
adapter->itr = adapter->itr_setting = 4;
1817
} else if (ec->rx_coalesce_usecs <= 3) {
1818
adapter->itr = 20000;
1819
adapter->itr_setting = ec->rx_coalesce_usecs;
1821
adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1822
adapter->itr_setting = adapter->itr & ~3;
1825
if (adapter->itr_setting != 0)
1826
ew32(ITR, 1000000000 / (adapter->itr * 256));
1833
static int e1000_nway_reset(struct net_device *netdev)
1835
struct e1000_adapter *adapter = netdev_priv(netdev);
1836
if (netif_running(netdev))
1837
e1000_reinit_locked(adapter);
1841
static void e1000_get_ethtool_stats(struct net_device *netdev,
1842
struct ethtool_stats *stats, u64 *data)
1844
struct e1000_adapter *adapter = netdev_priv(netdev);
1848
e1000_update_stats(adapter);
1849
for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1850
switch (e1000_gstrings_stats[i].type) {
1852
p = (char *) netdev +
1853
e1000_gstrings_stats[i].stat_offset;
1856
p = (char *) adapter +
1857
e1000_gstrings_stats[i].stat_offset;
1861
data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1862
sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1864
/* BUG_ON(i != E1000_STATS_LEN); */
1867
static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1873
switch (stringset) {
1875
memcpy(data, *e1000_gstrings_test,
1876
sizeof(e1000_gstrings_test));
1879
for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1880
memcpy(p, e1000_gstrings_stats[i].stat_string,
1882
p += ETH_GSTRING_LEN;
1884
/* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1889
static const struct ethtool_ops e1000_ethtool_ops = {
1890
.get_settings = e1000_get_settings,
1891
.set_settings = e1000_set_settings,
1892
.get_drvinfo = e1000_get_drvinfo,
1893
.get_regs_len = e1000_get_regs_len,
1894
.get_regs = e1000_get_regs,
1895
.get_wol = e1000_get_wol,
1896
.set_wol = e1000_set_wol,
1897
.get_msglevel = e1000_get_msglevel,
1898
.set_msglevel = e1000_set_msglevel,
1899
.nway_reset = e1000_nway_reset,
1900
.get_link = e1000_get_link,
1901
.get_eeprom_len = e1000_get_eeprom_len,
1902
.get_eeprom = e1000_get_eeprom,
1903
.set_eeprom = e1000_set_eeprom,
1904
.get_ringparam = e1000_get_ringparam,
1905
.set_ringparam = e1000_set_ringparam,
1906
.get_pauseparam = e1000_get_pauseparam,
1907
.set_pauseparam = e1000_set_pauseparam,
1908
.get_rx_csum = e1000_get_rx_csum,
1909
.set_rx_csum = e1000_set_rx_csum,
1910
.get_tx_csum = e1000_get_tx_csum,
1911
.set_tx_csum = e1000_set_tx_csum,
1912
.set_sg = ethtool_op_set_sg,
1913
.set_tso = e1000_set_tso,
1914
.self_test = e1000_diag_test,
1915
.get_strings = e1000_get_strings,
1916
.set_phys_id = e1000_set_phys_id,
1917
.get_ethtool_stats = e1000_get_ethtool_stats,
1918
.get_sset_count = e1000_get_sset_count,
1919
.get_coalesce = e1000_get_coalesce,
1920
.set_coalesce = e1000_set_coalesce,
1923
void e1000_set_ethtool_ops(struct net_device *netdev)
1925
SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
added
removed
drivers/net/e1000/e1000_ethtool.c
