1981 lines
54 KiB
C
1981 lines
54 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2018 Intel Corporation */
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/* ethtool support for igc */
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#include <linux/if_vlan.h>
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#include <linux/pm_runtime.h>
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#include <linux/mdio.h>
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#include "igc.h"
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#include "igc_diag.h"
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/* forward declaration */
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struct igc_stats {
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char stat_string[ETH_GSTRING_LEN];
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int sizeof_stat;
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int stat_offset;
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};
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#define IGC_STAT(_name, _stat) { \
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.stat_string = _name, \
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.sizeof_stat = sizeof_field(struct igc_adapter, _stat), \
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.stat_offset = offsetof(struct igc_adapter, _stat) \
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}
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static const struct igc_stats igc_gstrings_stats[] = {
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IGC_STAT("rx_packets", stats.gprc),
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IGC_STAT("tx_packets", stats.gptc),
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IGC_STAT("rx_bytes", stats.gorc),
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IGC_STAT("tx_bytes", stats.gotc),
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IGC_STAT("rx_broadcast", stats.bprc),
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IGC_STAT("tx_broadcast", stats.bptc),
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IGC_STAT("rx_multicast", stats.mprc),
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IGC_STAT("tx_multicast", stats.mptc),
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IGC_STAT("multicast", stats.mprc),
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IGC_STAT("collisions", stats.colc),
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IGC_STAT("rx_crc_errors", stats.crcerrs),
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IGC_STAT("rx_no_buffer_count", stats.rnbc),
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IGC_STAT("rx_missed_errors", stats.mpc),
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IGC_STAT("tx_aborted_errors", stats.ecol),
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IGC_STAT("tx_carrier_errors", stats.tncrs),
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IGC_STAT("tx_window_errors", stats.latecol),
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IGC_STAT("tx_abort_late_coll", stats.latecol),
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IGC_STAT("tx_deferred_ok", stats.dc),
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IGC_STAT("tx_single_coll_ok", stats.scc),
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IGC_STAT("tx_multi_coll_ok", stats.mcc),
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IGC_STAT("tx_timeout_count", tx_timeout_count),
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IGC_STAT("rx_long_length_errors", stats.roc),
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IGC_STAT("rx_short_length_errors", stats.ruc),
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IGC_STAT("rx_align_errors", stats.algnerrc),
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IGC_STAT("tx_tcp_seg_good", stats.tsctc),
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IGC_STAT("tx_tcp_seg_failed", stats.tsctfc),
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IGC_STAT("rx_flow_control_xon", stats.xonrxc),
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IGC_STAT("rx_flow_control_xoff", stats.xoffrxc),
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IGC_STAT("tx_flow_control_xon", stats.xontxc),
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IGC_STAT("tx_flow_control_xoff", stats.xofftxc),
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IGC_STAT("rx_long_byte_count", stats.gorc),
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IGC_STAT("tx_dma_out_of_sync", stats.doosync),
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IGC_STAT("tx_smbus", stats.mgptc),
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IGC_STAT("rx_smbus", stats.mgprc),
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IGC_STAT("dropped_smbus", stats.mgpdc),
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IGC_STAT("os2bmc_rx_by_bmc", stats.o2bgptc),
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IGC_STAT("os2bmc_tx_by_bmc", stats.b2ospc),
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IGC_STAT("os2bmc_tx_by_host", stats.o2bspc),
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IGC_STAT("os2bmc_rx_by_host", stats.b2ogprc),
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IGC_STAT("tx_hwtstamp_timeouts", tx_hwtstamp_timeouts),
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IGC_STAT("tx_hwtstamp_skipped", tx_hwtstamp_skipped),
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IGC_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
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IGC_STAT("tx_lpi_counter", stats.tlpic),
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IGC_STAT("rx_lpi_counter", stats.rlpic),
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};
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#define IGC_NETDEV_STAT(_net_stat) { \
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.stat_string = __stringify(_net_stat), \
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.sizeof_stat = sizeof_field(struct rtnl_link_stats64, _net_stat), \
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.stat_offset = offsetof(struct rtnl_link_stats64, _net_stat) \
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}
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static const struct igc_stats igc_gstrings_net_stats[] = {
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IGC_NETDEV_STAT(rx_errors),
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IGC_NETDEV_STAT(tx_errors),
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IGC_NETDEV_STAT(tx_dropped),
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IGC_NETDEV_STAT(rx_length_errors),
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IGC_NETDEV_STAT(rx_over_errors),
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IGC_NETDEV_STAT(rx_frame_errors),
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IGC_NETDEV_STAT(rx_fifo_errors),
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IGC_NETDEV_STAT(tx_fifo_errors),
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IGC_NETDEV_STAT(tx_heartbeat_errors)
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};
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enum igc_diagnostics_results {
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TEST_REG = 0,
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TEST_EEP,
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TEST_IRQ,
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TEST_LOOP,
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TEST_LINK
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};
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static const char igc_gstrings_test[][ETH_GSTRING_LEN] = {
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[TEST_REG] = "Register test (offline)",
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[TEST_EEP] = "Eeprom test (offline)",
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[TEST_IRQ] = "Interrupt test (offline)",
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[TEST_LOOP] = "Loopback test (offline)",
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[TEST_LINK] = "Link test (on/offline)"
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};
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#define IGC_TEST_LEN (sizeof(igc_gstrings_test) / ETH_GSTRING_LEN)
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#define IGC_GLOBAL_STATS_LEN \
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(sizeof(igc_gstrings_stats) / sizeof(struct igc_stats))
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#define IGC_NETDEV_STATS_LEN \
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(sizeof(igc_gstrings_net_stats) / sizeof(struct igc_stats))
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#define IGC_RX_QUEUE_STATS_LEN \
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(sizeof(struct igc_rx_queue_stats) / sizeof(u64))
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#define IGC_TX_QUEUE_STATS_LEN 3 /* packets, bytes, restart_queue */
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#define IGC_QUEUE_STATS_LEN \
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((((struct igc_adapter *)netdev_priv(netdev))->num_rx_queues * \
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IGC_RX_QUEUE_STATS_LEN) + \
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(((struct igc_adapter *)netdev_priv(netdev))->num_tx_queues * \
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IGC_TX_QUEUE_STATS_LEN))
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#define IGC_STATS_LEN \
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(IGC_GLOBAL_STATS_LEN + IGC_NETDEV_STATS_LEN + IGC_QUEUE_STATS_LEN)
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static const char igc_priv_flags_strings[][ETH_GSTRING_LEN] = {
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#define IGC_PRIV_FLAGS_LEGACY_RX BIT(0)
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"legacy-rx",
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};
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#define IGC_PRIV_FLAGS_STR_LEN ARRAY_SIZE(igc_priv_flags_strings)
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static void igc_ethtool_get_drvinfo(struct net_device *netdev,
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struct ethtool_drvinfo *drvinfo)
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{
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struct igc_adapter *adapter = netdev_priv(netdev);
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struct igc_hw *hw = &adapter->hw;
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u16 nvm_version = 0;
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u16 gphy_version;
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strscpy(drvinfo->driver, igc_driver_name, sizeof(drvinfo->driver));
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/* NVM image version is reported as firmware version for i225 device */
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hw->nvm.ops.read(hw, IGC_NVM_DEV_STARTER, 1, &nvm_version);
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/* gPHY firmware version is reported as PHY FW version */
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gphy_version = igc_read_phy_fw_version(hw);
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scnprintf(adapter->fw_version,
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sizeof(adapter->fw_version),
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"%x:%x",
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nvm_version,
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gphy_version);
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strscpy(drvinfo->fw_version, adapter->fw_version,
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sizeof(drvinfo->fw_version));
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strscpy(drvinfo->bus_info, pci_name(adapter->pdev),
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sizeof(drvinfo->bus_info));
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drvinfo->n_priv_flags = IGC_PRIV_FLAGS_STR_LEN;
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}
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static int igc_ethtool_get_regs_len(struct net_device *netdev)
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{
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return IGC_REGS_LEN * sizeof(u32);
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}
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static void igc_ethtool_get_regs(struct net_device *netdev,
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struct ethtool_regs *regs, void *p)
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{
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struct igc_adapter *adapter = netdev_priv(netdev);
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struct igc_hw *hw = &adapter->hw;
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u32 *regs_buff = p;
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u8 i;
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memset(p, 0, IGC_REGS_LEN * sizeof(u32));
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regs->version = (2u << 24) | (hw->revision_id << 16) | hw->device_id;
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/* General Registers */
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regs_buff[0] = rd32(IGC_CTRL);
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regs_buff[1] = rd32(IGC_STATUS);
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regs_buff[2] = rd32(IGC_CTRL_EXT);
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regs_buff[3] = rd32(IGC_MDIC);
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regs_buff[4] = rd32(IGC_CONNSW);
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/* NVM Register */
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regs_buff[5] = rd32(IGC_EECD);
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/* Interrupt */
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/* Reading EICS for EICR because they read the
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* same but EICS does not clear on read
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*/
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regs_buff[6] = rd32(IGC_EICS);
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regs_buff[7] = rd32(IGC_EICS);
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regs_buff[8] = rd32(IGC_EIMS);
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regs_buff[9] = rd32(IGC_EIMC);
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regs_buff[10] = rd32(IGC_EIAC);
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regs_buff[11] = rd32(IGC_EIAM);
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/* Reading ICS for ICR because they read the
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* same but ICS does not clear on read
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*/
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regs_buff[12] = rd32(IGC_ICS);
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regs_buff[13] = rd32(IGC_ICS);
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regs_buff[14] = rd32(IGC_IMS);
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regs_buff[15] = rd32(IGC_IMC);
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regs_buff[16] = rd32(IGC_IAC);
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regs_buff[17] = rd32(IGC_IAM);
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/* Flow Control */
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regs_buff[18] = rd32(IGC_FCAL);
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regs_buff[19] = rd32(IGC_FCAH);
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regs_buff[20] = rd32(IGC_FCTTV);
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regs_buff[21] = rd32(IGC_FCRTL);
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regs_buff[22] = rd32(IGC_FCRTH);
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regs_buff[23] = rd32(IGC_FCRTV);
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/* Receive */
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regs_buff[24] = rd32(IGC_RCTL);
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regs_buff[25] = rd32(IGC_RXCSUM);
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regs_buff[26] = rd32(IGC_RLPML);
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regs_buff[27] = rd32(IGC_RFCTL);
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/* Transmit */
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regs_buff[28] = rd32(IGC_TCTL);
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regs_buff[29] = rd32(IGC_TIPG);
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/* Wake Up */
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/* MAC */
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/* Statistics */
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regs_buff[30] = adapter->stats.crcerrs;
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regs_buff[31] = adapter->stats.algnerrc;
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regs_buff[32] = adapter->stats.symerrs;
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regs_buff[33] = adapter->stats.rxerrc;
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regs_buff[34] = adapter->stats.mpc;
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regs_buff[35] = adapter->stats.scc;
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regs_buff[36] = adapter->stats.ecol;
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regs_buff[37] = adapter->stats.mcc;
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regs_buff[38] = adapter->stats.latecol;
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regs_buff[39] = adapter->stats.colc;
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regs_buff[40] = adapter->stats.dc;
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regs_buff[41] = adapter->stats.tncrs;
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regs_buff[42] = adapter->stats.sec;
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regs_buff[43] = adapter->stats.htdpmc;
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regs_buff[44] = adapter->stats.rlec;
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regs_buff[45] = adapter->stats.xonrxc;
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regs_buff[46] = adapter->stats.xontxc;
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regs_buff[47] = adapter->stats.xoffrxc;
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regs_buff[48] = adapter->stats.xofftxc;
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regs_buff[49] = adapter->stats.fcruc;
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regs_buff[50] = adapter->stats.prc64;
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regs_buff[51] = adapter->stats.prc127;
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regs_buff[52] = adapter->stats.prc255;
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regs_buff[53] = adapter->stats.prc511;
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regs_buff[54] = adapter->stats.prc1023;
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regs_buff[55] = adapter->stats.prc1522;
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regs_buff[56] = adapter->stats.gprc;
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regs_buff[57] = adapter->stats.bprc;
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regs_buff[58] = adapter->stats.mprc;
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regs_buff[59] = adapter->stats.gptc;
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regs_buff[60] = adapter->stats.gorc;
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regs_buff[61] = adapter->stats.gotc;
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regs_buff[62] = adapter->stats.rnbc;
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regs_buff[63] = adapter->stats.ruc;
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regs_buff[64] = adapter->stats.rfc;
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regs_buff[65] = adapter->stats.roc;
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regs_buff[66] = adapter->stats.rjc;
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regs_buff[67] = adapter->stats.mgprc;
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regs_buff[68] = adapter->stats.mgpdc;
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regs_buff[69] = adapter->stats.mgptc;
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regs_buff[70] = adapter->stats.tor;
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regs_buff[71] = adapter->stats.tot;
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regs_buff[72] = adapter->stats.tpr;
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regs_buff[73] = adapter->stats.tpt;
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regs_buff[74] = adapter->stats.ptc64;
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regs_buff[75] = adapter->stats.ptc127;
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regs_buff[76] = adapter->stats.ptc255;
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regs_buff[77] = adapter->stats.ptc511;
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regs_buff[78] = adapter->stats.ptc1023;
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regs_buff[79] = adapter->stats.ptc1522;
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regs_buff[80] = adapter->stats.mptc;
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regs_buff[81] = adapter->stats.bptc;
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regs_buff[82] = adapter->stats.tsctc;
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regs_buff[83] = adapter->stats.iac;
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regs_buff[84] = adapter->stats.rpthc;
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regs_buff[85] = adapter->stats.hgptc;
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regs_buff[86] = adapter->stats.hgorc;
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regs_buff[87] = adapter->stats.hgotc;
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regs_buff[88] = adapter->stats.lenerrs;
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regs_buff[89] = adapter->stats.scvpc;
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regs_buff[90] = adapter->stats.hrmpc;
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for (i = 0; i < 4; i++)
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regs_buff[91 + i] = rd32(IGC_SRRCTL(i));
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for (i = 0; i < 4; i++)
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regs_buff[95 + i] = rd32(IGC_PSRTYPE(i));
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for (i = 0; i < 4; i++)
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regs_buff[99 + i] = rd32(IGC_RDBAL(i));
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for (i = 0; i < 4; i++)
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regs_buff[103 + i] = rd32(IGC_RDBAH(i));
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for (i = 0; i < 4; i++)
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regs_buff[107 + i] = rd32(IGC_RDLEN(i));
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for (i = 0; i < 4; i++)
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regs_buff[111 + i] = rd32(IGC_RDH(i));
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for (i = 0; i < 4; i++)
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regs_buff[115 + i] = rd32(IGC_RDT(i));
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for (i = 0; i < 4; i++)
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regs_buff[119 + i] = rd32(IGC_RXDCTL(i));
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for (i = 0; i < 10; i++)
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regs_buff[123 + i] = rd32(IGC_EITR(i));
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for (i = 0; i < 16; i++)
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regs_buff[139 + i] = rd32(IGC_RAL(i));
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for (i = 0; i < 16; i++)
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regs_buff[145 + i] = rd32(IGC_RAH(i));
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for (i = 0; i < 4; i++)
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regs_buff[149 + i] = rd32(IGC_TDBAL(i));
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for (i = 0; i < 4; i++)
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regs_buff[152 + i] = rd32(IGC_TDBAH(i));
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for (i = 0; i < 4; i++)
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regs_buff[156 + i] = rd32(IGC_TDLEN(i));
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for (i = 0; i < 4; i++)
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regs_buff[160 + i] = rd32(IGC_TDH(i));
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for (i = 0; i < 4; i++)
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regs_buff[164 + i] = rd32(IGC_TDT(i));
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for (i = 0; i < 4; i++)
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regs_buff[168 + i] = rd32(IGC_TXDCTL(i));
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/* XXX: Due to a bug few lines above, RAL and RAH registers are
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* overwritten. To preserve the ABI, we write these registers again in
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* regs_buff.
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*/
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for (i = 0; i < 16; i++)
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regs_buff[172 + i] = rd32(IGC_RAL(i));
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for (i = 0; i < 16; i++)
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regs_buff[188 + i] = rd32(IGC_RAH(i));
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regs_buff[204] = rd32(IGC_VLANPQF);
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for (i = 0; i < 8; i++)
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regs_buff[205 + i] = rd32(IGC_ETQF(i));
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regs_buff[213] = adapter->stats.tlpic;
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regs_buff[214] = adapter->stats.rlpic;
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}
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static void igc_ethtool_get_wol(struct net_device *netdev,
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struct ethtool_wolinfo *wol)
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{
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struct igc_adapter *adapter = netdev_priv(netdev);
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wol->wolopts = 0;
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if (!(adapter->flags & IGC_FLAG_WOL_SUPPORTED))
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return;
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wol->supported = WAKE_UCAST | WAKE_MCAST |
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WAKE_BCAST | WAKE_MAGIC |
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WAKE_PHY;
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/* apply any specific unsupported masks here */
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switch (adapter->hw.device_id) {
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default:
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break;
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}
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if (adapter->wol & IGC_WUFC_EX)
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wol->wolopts |= WAKE_UCAST;
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if (adapter->wol & IGC_WUFC_MC)
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wol->wolopts |= WAKE_MCAST;
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if (adapter->wol & IGC_WUFC_BC)
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wol->wolopts |= WAKE_BCAST;
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if (adapter->wol & IGC_WUFC_MAG)
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wol->wolopts |= WAKE_MAGIC;
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if (adapter->wol & IGC_WUFC_LNKC)
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wol->wolopts |= WAKE_PHY;
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}
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static int igc_ethtool_set_wol(struct net_device *netdev,
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struct ethtool_wolinfo *wol)
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{
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struct igc_adapter *adapter = netdev_priv(netdev);
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if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE | WAKE_FILTER))
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return -EOPNOTSUPP;
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if (!(adapter->flags & IGC_FLAG_WOL_SUPPORTED))
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return wol->wolopts ? -EOPNOTSUPP : 0;
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/* these settings will always override what we currently have */
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adapter->wol = 0;
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if (wol->wolopts & WAKE_UCAST)
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adapter->wol |= IGC_WUFC_EX;
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if (wol->wolopts & WAKE_MCAST)
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adapter->wol |= IGC_WUFC_MC;
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if (wol->wolopts & WAKE_BCAST)
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adapter->wol |= IGC_WUFC_BC;
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if (wol->wolopts & WAKE_MAGIC)
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adapter->wol |= IGC_WUFC_MAG;
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if (wol->wolopts & WAKE_PHY)
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adapter->wol |= IGC_WUFC_LNKC;
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device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
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return 0;
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}
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static u32 igc_ethtool_get_msglevel(struct net_device *netdev)
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{
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struct igc_adapter *adapter = netdev_priv(netdev);
|
|
|
|
return adapter->msg_enable;
|
|
}
|
|
|
|
static void igc_ethtool_set_msglevel(struct net_device *netdev, u32 data)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
|
|
adapter->msg_enable = data;
|
|
}
|
|
|
|
static int igc_ethtool_nway_reset(struct net_device *netdev)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
|
|
if (netif_running(netdev))
|
|
igc_reinit_locked(adapter);
|
|
return 0;
|
|
}
|
|
|
|
static u32 igc_ethtool_get_link(struct net_device *netdev)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
struct igc_mac_info *mac = &adapter->hw.mac;
|
|
|
|
/* If the link is not reported up to netdev, interrupts are disabled,
|
|
* and so the physical link state may have changed since we last
|
|
* looked. Set get_link_status to make sure that the true link
|
|
* state is interrogated, rather than pulling a cached and possibly
|
|
* stale link state from the driver.
|
|
*/
|
|
if (!netif_carrier_ok(netdev))
|
|
mac->get_link_status = 1;
|
|
|
|
return igc_has_link(adapter);
|
|
}
|
|
|
|
static int igc_ethtool_get_eeprom_len(struct net_device *netdev)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
|
|
return adapter->hw.nvm.word_size * 2;
|
|
}
|
|
|
|
static int igc_ethtool_get_eeprom(struct net_device *netdev,
|
|
struct ethtool_eeprom *eeprom, u8 *bytes)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
struct igc_hw *hw = &adapter->hw;
|
|
int first_word, last_word;
|
|
u16 *eeprom_buff;
|
|
int ret_val = 0;
|
|
u16 i;
|
|
|
|
if (eeprom->len == 0)
|
|
return -EINVAL;
|
|
|
|
eeprom->magic = hw->vendor_id | (hw->device_id << 16);
|
|
|
|
first_word = eeprom->offset >> 1;
|
|
last_word = (eeprom->offset + eeprom->len - 1) >> 1;
|
|
|
|
eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16),
|
|
GFP_KERNEL);
|
|
if (!eeprom_buff)
|
|
return -ENOMEM;
|
|
|
|
if (hw->nvm.type == igc_nvm_eeprom_spi) {
|
|
ret_val = hw->nvm.ops.read(hw, first_word,
|
|
last_word - first_word + 1,
|
|
eeprom_buff);
|
|
} else {
|
|
for (i = 0; i < last_word - first_word + 1; i++) {
|
|
ret_val = hw->nvm.ops.read(hw, first_word + i, 1,
|
|
&eeprom_buff[i]);
|
|
if (ret_val)
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Device's eeprom is always little-endian, word addressable */
|
|
for (i = 0; i < last_word - first_word + 1; i++)
|
|
le16_to_cpus(&eeprom_buff[i]);
|
|
|
|
memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1),
|
|
eeprom->len);
|
|
kfree(eeprom_buff);
|
|
|
|
return ret_val;
|
|
}
|
|
|
|
static int igc_ethtool_set_eeprom(struct net_device *netdev,
|
|
struct ethtool_eeprom *eeprom, u8 *bytes)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
struct igc_hw *hw = &adapter->hw;
|
|
int max_len, first_word, last_word, ret_val = 0;
|
|
u16 *eeprom_buff;
|
|
void *ptr;
|
|
u16 i;
|
|
|
|
if (eeprom->len == 0)
|
|
return -EOPNOTSUPP;
|
|
|
|
if (hw->mac.type >= igc_i225 &&
|
|
!igc_get_flash_presence_i225(hw)) {
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
|
|
return -EFAULT;
|
|
|
|
max_len = hw->nvm.word_size * 2;
|
|
|
|
first_word = eeprom->offset >> 1;
|
|
last_word = (eeprom->offset + eeprom->len - 1) >> 1;
|
|
eeprom_buff = kmalloc(max_len, GFP_KERNEL);
|
|
if (!eeprom_buff)
|
|
return -ENOMEM;
|
|
|
|
ptr = (void *)eeprom_buff;
|
|
|
|
if (eeprom->offset & 1) {
|
|
/* need read/modify/write of first changed EEPROM word
|
|
* only the second byte of the word is being modified
|
|
*/
|
|
ret_val = hw->nvm.ops.read(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 = hw->nvm.ops.read(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 = hw->nvm.ops.write(hw, first_word,
|
|
last_word - first_word + 1, eeprom_buff);
|
|
|
|
/* Update the checksum if nvm write succeeded */
|
|
if (ret_val == 0)
|
|
hw->nvm.ops.update(hw);
|
|
|
|
kfree(eeprom_buff);
|
|
return ret_val;
|
|
}
|
|
|
|
static void
|
|
igc_ethtool_get_ringparam(struct net_device *netdev,
|
|
struct ethtool_ringparam *ring,
|
|
struct kernel_ethtool_ringparam *kernel_ering,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
|
|
ring->rx_max_pending = IGC_MAX_RXD;
|
|
ring->tx_max_pending = IGC_MAX_TXD;
|
|
ring->rx_pending = adapter->rx_ring_count;
|
|
ring->tx_pending = adapter->tx_ring_count;
|
|
}
|
|
|
|
static int
|
|
igc_ethtool_set_ringparam(struct net_device *netdev,
|
|
struct ethtool_ringparam *ring,
|
|
struct kernel_ethtool_ringparam *kernel_ering,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
struct igc_ring *temp_ring;
|
|
u16 new_rx_count, new_tx_count;
|
|
int i, err = 0;
|
|
|
|
if (ring->rx_mini_pending || ring->rx_jumbo_pending)
|
|
return -EINVAL;
|
|
|
|
new_rx_count = min_t(u32, ring->rx_pending, IGC_MAX_RXD);
|
|
new_rx_count = max_t(u16, new_rx_count, IGC_MIN_RXD);
|
|
new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
|
|
|
|
new_tx_count = min_t(u32, ring->tx_pending, IGC_MAX_TXD);
|
|
new_tx_count = max_t(u16, new_tx_count, IGC_MIN_TXD);
|
|
new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
|
|
|
|
if (new_tx_count == adapter->tx_ring_count &&
|
|
new_rx_count == adapter->rx_ring_count) {
|
|
/* nothing to do */
|
|
return 0;
|
|
}
|
|
|
|
while (test_and_set_bit(__IGC_RESETTING, &adapter->state))
|
|
usleep_range(1000, 2000);
|
|
|
|
if (!netif_running(adapter->netdev)) {
|
|
for (i = 0; i < adapter->num_tx_queues; i++)
|
|
adapter->tx_ring[i]->count = new_tx_count;
|
|
for (i = 0; i < adapter->num_rx_queues; i++)
|
|
adapter->rx_ring[i]->count = new_rx_count;
|
|
adapter->tx_ring_count = new_tx_count;
|
|
adapter->rx_ring_count = new_rx_count;
|
|
goto clear_reset;
|
|
}
|
|
|
|
if (adapter->num_tx_queues > adapter->num_rx_queues)
|
|
temp_ring = vmalloc(array_size(sizeof(struct igc_ring),
|
|
adapter->num_tx_queues));
|
|
else
|
|
temp_ring = vmalloc(array_size(sizeof(struct igc_ring),
|
|
adapter->num_rx_queues));
|
|
|
|
if (!temp_ring) {
|
|
err = -ENOMEM;
|
|
goto clear_reset;
|
|
}
|
|
|
|
igc_down(adapter);
|
|
|
|
/* We can't just free everything and then setup again,
|
|
* because the ISRs in MSI-X mode get passed pointers
|
|
* to the Tx and Rx ring structs.
|
|
*/
|
|
if (new_tx_count != adapter->tx_ring_count) {
|
|
for (i = 0; i < adapter->num_tx_queues; i++) {
|
|
memcpy(&temp_ring[i], adapter->tx_ring[i],
|
|
sizeof(struct igc_ring));
|
|
|
|
temp_ring[i].count = new_tx_count;
|
|
err = igc_setup_tx_resources(&temp_ring[i]);
|
|
if (err) {
|
|
while (i) {
|
|
i--;
|
|
igc_free_tx_resources(&temp_ring[i]);
|
|
}
|
|
goto err_setup;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < adapter->num_tx_queues; i++) {
|
|
igc_free_tx_resources(adapter->tx_ring[i]);
|
|
|
|
memcpy(adapter->tx_ring[i], &temp_ring[i],
|
|
sizeof(struct igc_ring));
|
|
}
|
|
|
|
adapter->tx_ring_count = new_tx_count;
|
|
}
|
|
|
|
if (new_rx_count != adapter->rx_ring_count) {
|
|
for (i = 0; i < adapter->num_rx_queues; i++) {
|
|
memcpy(&temp_ring[i], adapter->rx_ring[i],
|
|
sizeof(struct igc_ring));
|
|
|
|
temp_ring[i].count = new_rx_count;
|
|
err = igc_setup_rx_resources(&temp_ring[i]);
|
|
if (err) {
|
|
while (i) {
|
|
i--;
|
|
igc_free_rx_resources(&temp_ring[i]);
|
|
}
|
|
goto err_setup;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < adapter->num_rx_queues; i++) {
|
|
igc_free_rx_resources(adapter->rx_ring[i]);
|
|
|
|
memcpy(adapter->rx_ring[i], &temp_ring[i],
|
|
sizeof(struct igc_ring));
|
|
}
|
|
|
|
adapter->rx_ring_count = new_rx_count;
|
|
}
|
|
err_setup:
|
|
igc_up(adapter);
|
|
vfree(temp_ring);
|
|
clear_reset:
|
|
clear_bit(__IGC_RESETTING, &adapter->state);
|
|
return err;
|
|
}
|
|
|
|
static void igc_ethtool_get_pauseparam(struct net_device *netdev,
|
|
struct ethtool_pauseparam *pause)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
struct igc_hw *hw = &adapter->hw;
|
|
|
|
pause->autoneg =
|
|
(adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
|
|
|
|
if (hw->fc.current_mode == igc_fc_rx_pause) {
|
|
pause->rx_pause = 1;
|
|
} else if (hw->fc.current_mode == igc_fc_tx_pause) {
|
|
pause->tx_pause = 1;
|
|
} else if (hw->fc.current_mode == igc_fc_full) {
|
|
pause->rx_pause = 1;
|
|
pause->tx_pause = 1;
|
|
}
|
|
}
|
|
|
|
static int igc_ethtool_set_pauseparam(struct net_device *netdev,
|
|
struct ethtool_pauseparam *pause)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
struct igc_hw *hw = &adapter->hw;
|
|
int retval = 0;
|
|
|
|
adapter->fc_autoneg = pause->autoneg;
|
|
|
|
while (test_and_set_bit(__IGC_RESETTING, &adapter->state))
|
|
usleep_range(1000, 2000);
|
|
|
|
if (adapter->fc_autoneg == AUTONEG_ENABLE) {
|
|
hw->fc.requested_mode = igc_fc_default;
|
|
if (netif_running(adapter->netdev)) {
|
|
igc_down(adapter);
|
|
igc_up(adapter);
|
|
} else {
|
|
igc_reset(adapter);
|
|
}
|
|
} else {
|
|
if (pause->rx_pause && pause->tx_pause)
|
|
hw->fc.requested_mode = igc_fc_full;
|
|
else if (pause->rx_pause && !pause->tx_pause)
|
|
hw->fc.requested_mode = igc_fc_rx_pause;
|
|
else if (!pause->rx_pause && pause->tx_pause)
|
|
hw->fc.requested_mode = igc_fc_tx_pause;
|
|
else if (!pause->rx_pause && !pause->tx_pause)
|
|
hw->fc.requested_mode = igc_fc_none;
|
|
|
|
hw->fc.current_mode = hw->fc.requested_mode;
|
|
|
|
retval = ((hw->phy.media_type == igc_media_type_copper) ?
|
|
igc_force_mac_fc(hw) : igc_setup_link(hw));
|
|
}
|
|
|
|
clear_bit(__IGC_RESETTING, &adapter->state);
|
|
return retval;
|
|
}
|
|
|
|
static void igc_ethtool_get_strings(struct net_device *netdev, u32 stringset,
|
|
u8 *data)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
u8 *p = data;
|
|
int i;
|
|
|
|
switch (stringset) {
|
|
case ETH_SS_TEST:
|
|
memcpy(data, *igc_gstrings_test,
|
|
IGC_TEST_LEN * ETH_GSTRING_LEN);
|
|
break;
|
|
case ETH_SS_STATS:
|
|
for (i = 0; i < IGC_GLOBAL_STATS_LEN; i++)
|
|
ethtool_sprintf(&p, igc_gstrings_stats[i].stat_string);
|
|
for (i = 0; i < IGC_NETDEV_STATS_LEN; i++)
|
|
ethtool_sprintf(&p,
|
|
igc_gstrings_net_stats[i].stat_string);
|
|
for (i = 0; i < adapter->num_tx_queues; i++) {
|
|
ethtool_sprintf(&p, "tx_queue_%u_packets", i);
|
|
ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
|
|
ethtool_sprintf(&p, "tx_queue_%u_restart", i);
|
|
}
|
|
for (i = 0; i < adapter->num_rx_queues; i++) {
|
|
ethtool_sprintf(&p, "rx_queue_%u_packets", i);
|
|
ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
|
|
ethtool_sprintf(&p, "rx_queue_%u_drops", i);
|
|
ethtool_sprintf(&p, "rx_queue_%u_csum_err", i);
|
|
ethtool_sprintf(&p, "rx_queue_%u_alloc_failed", i);
|
|
}
|
|
/* BUG_ON(p - data != IGC_STATS_LEN * ETH_GSTRING_LEN); */
|
|
break;
|
|
case ETH_SS_PRIV_FLAGS:
|
|
memcpy(data, igc_priv_flags_strings,
|
|
IGC_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int igc_ethtool_get_sset_count(struct net_device *netdev, int sset)
|
|
{
|
|
switch (sset) {
|
|
case ETH_SS_STATS:
|
|
return IGC_STATS_LEN;
|
|
case ETH_SS_TEST:
|
|
return IGC_TEST_LEN;
|
|
case ETH_SS_PRIV_FLAGS:
|
|
return IGC_PRIV_FLAGS_STR_LEN;
|
|
default:
|
|
return -ENOTSUPP;
|
|
}
|
|
}
|
|
|
|
static void igc_ethtool_get_stats(struct net_device *netdev,
|
|
struct ethtool_stats *stats, u64 *data)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
struct rtnl_link_stats64 *net_stats = &adapter->stats64;
|
|
unsigned int start;
|
|
struct igc_ring *ring;
|
|
int i, j;
|
|
char *p;
|
|
|
|
spin_lock(&adapter->stats64_lock);
|
|
igc_update_stats(adapter);
|
|
|
|
for (i = 0; i < IGC_GLOBAL_STATS_LEN; i++) {
|
|
p = (char *)adapter + igc_gstrings_stats[i].stat_offset;
|
|
data[i] = (igc_gstrings_stats[i].sizeof_stat ==
|
|
sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
|
|
}
|
|
for (j = 0; j < IGC_NETDEV_STATS_LEN; j++, i++) {
|
|
p = (char *)net_stats + igc_gstrings_net_stats[j].stat_offset;
|
|
data[i] = (igc_gstrings_net_stats[j].sizeof_stat ==
|
|
sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
|
|
}
|
|
for (j = 0; j < adapter->num_tx_queues; j++) {
|
|
u64 restart2;
|
|
|
|
ring = adapter->tx_ring[j];
|
|
do {
|
|
start = u64_stats_fetch_begin(&ring->tx_syncp);
|
|
data[i] = ring->tx_stats.packets;
|
|
data[i + 1] = ring->tx_stats.bytes;
|
|
data[i + 2] = ring->tx_stats.restart_queue;
|
|
} while (u64_stats_fetch_retry(&ring->tx_syncp, start));
|
|
do {
|
|
start = u64_stats_fetch_begin(&ring->tx_syncp2);
|
|
restart2 = ring->tx_stats.restart_queue2;
|
|
} while (u64_stats_fetch_retry(&ring->tx_syncp2, start));
|
|
data[i + 2] += restart2;
|
|
|
|
i += IGC_TX_QUEUE_STATS_LEN;
|
|
}
|
|
for (j = 0; j < adapter->num_rx_queues; j++) {
|
|
ring = adapter->rx_ring[j];
|
|
do {
|
|
start = u64_stats_fetch_begin(&ring->rx_syncp);
|
|
data[i] = ring->rx_stats.packets;
|
|
data[i + 1] = ring->rx_stats.bytes;
|
|
data[i + 2] = ring->rx_stats.drops;
|
|
data[i + 3] = ring->rx_stats.csum_err;
|
|
data[i + 4] = ring->rx_stats.alloc_failed;
|
|
} while (u64_stats_fetch_retry(&ring->rx_syncp, start));
|
|
i += IGC_RX_QUEUE_STATS_LEN;
|
|
}
|
|
spin_unlock(&adapter->stats64_lock);
|
|
}
|
|
|
|
static int igc_ethtool_get_coalesce(struct net_device *netdev,
|
|
struct ethtool_coalesce *ec,
|
|
struct kernel_ethtool_coalesce *kernel_coal,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
|
|
if (adapter->rx_itr_setting <= 3)
|
|
ec->rx_coalesce_usecs = adapter->rx_itr_setting;
|
|
else
|
|
ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
|
|
|
|
if (!(adapter->flags & IGC_FLAG_QUEUE_PAIRS)) {
|
|
if (adapter->tx_itr_setting <= 3)
|
|
ec->tx_coalesce_usecs = adapter->tx_itr_setting;
|
|
else
|
|
ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int igc_ethtool_set_coalesce(struct net_device *netdev,
|
|
struct ethtool_coalesce *ec,
|
|
struct kernel_ethtool_coalesce *kernel_coal,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
int i;
|
|
|
|
if (ec->rx_coalesce_usecs > IGC_MAX_ITR_USECS ||
|
|
(ec->rx_coalesce_usecs > 3 &&
|
|
ec->rx_coalesce_usecs < IGC_MIN_ITR_USECS) ||
|
|
ec->rx_coalesce_usecs == 2)
|
|
return -EINVAL;
|
|
|
|
if (ec->tx_coalesce_usecs > IGC_MAX_ITR_USECS ||
|
|
(ec->tx_coalesce_usecs > 3 &&
|
|
ec->tx_coalesce_usecs < IGC_MIN_ITR_USECS) ||
|
|
ec->tx_coalesce_usecs == 2)
|
|
return -EINVAL;
|
|
|
|
if ((adapter->flags & IGC_FLAG_QUEUE_PAIRS) && ec->tx_coalesce_usecs)
|
|
return -EINVAL;
|
|
|
|
/* If ITR is disabled, disable DMAC */
|
|
if (ec->rx_coalesce_usecs == 0) {
|
|
if (adapter->flags & IGC_FLAG_DMAC)
|
|
adapter->flags &= ~IGC_FLAG_DMAC;
|
|
}
|
|
|
|
/* convert to rate of irq's per second */
|
|
if (ec->rx_coalesce_usecs && ec->rx_coalesce_usecs <= 3)
|
|
adapter->rx_itr_setting = ec->rx_coalesce_usecs;
|
|
else
|
|
adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
|
|
|
|
/* convert to rate of irq's per second */
|
|
if (adapter->flags & IGC_FLAG_QUEUE_PAIRS)
|
|
adapter->tx_itr_setting = adapter->rx_itr_setting;
|
|
else if (ec->tx_coalesce_usecs && ec->tx_coalesce_usecs <= 3)
|
|
adapter->tx_itr_setting = ec->tx_coalesce_usecs;
|
|
else
|
|
adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
|
|
|
|
for (i = 0; i < adapter->num_q_vectors; i++) {
|
|
struct igc_q_vector *q_vector = adapter->q_vector[i];
|
|
|
|
q_vector->tx.work_limit = adapter->tx_work_limit;
|
|
if (q_vector->rx.ring)
|
|
q_vector->itr_val = adapter->rx_itr_setting;
|
|
else
|
|
q_vector->itr_val = adapter->tx_itr_setting;
|
|
if (q_vector->itr_val && q_vector->itr_val <= 3)
|
|
q_vector->itr_val = IGC_START_ITR;
|
|
q_vector->set_itr = 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define ETHER_TYPE_FULL_MASK ((__force __be16)~0)
|
|
static int igc_ethtool_get_nfc_rule(struct igc_adapter *adapter,
|
|
struct ethtool_rxnfc *cmd)
|
|
{
|
|
struct ethtool_rx_flow_spec *fsp = &cmd->fs;
|
|
struct igc_nfc_rule *rule = NULL;
|
|
|
|
cmd->data = IGC_MAX_RXNFC_RULES;
|
|
|
|
mutex_lock(&adapter->nfc_rule_lock);
|
|
|
|
rule = igc_get_nfc_rule(adapter, fsp->location);
|
|
if (!rule)
|
|
goto out;
|
|
|
|
fsp->flow_type = ETHER_FLOW;
|
|
fsp->ring_cookie = rule->action;
|
|
|
|
if (rule->filter.match_flags & IGC_FILTER_FLAG_ETHER_TYPE) {
|
|
fsp->h_u.ether_spec.h_proto = htons(rule->filter.etype);
|
|
fsp->m_u.ether_spec.h_proto = ETHER_TYPE_FULL_MASK;
|
|
}
|
|
|
|
if (rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_TCI) {
|
|
fsp->flow_type |= FLOW_EXT;
|
|
fsp->h_ext.vlan_tci = htons(rule->filter.vlan_tci);
|
|
fsp->m_ext.vlan_tci = htons(VLAN_PRIO_MASK);
|
|
}
|
|
|
|
if (rule->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR) {
|
|
ether_addr_copy(fsp->h_u.ether_spec.h_dest,
|
|
rule->filter.dst_addr);
|
|
eth_broadcast_addr(fsp->m_u.ether_spec.h_dest);
|
|
}
|
|
|
|
if (rule->filter.match_flags & IGC_FILTER_FLAG_SRC_MAC_ADDR) {
|
|
ether_addr_copy(fsp->h_u.ether_spec.h_source,
|
|
rule->filter.src_addr);
|
|
eth_broadcast_addr(fsp->m_u.ether_spec.h_source);
|
|
}
|
|
|
|
if (rule->filter.match_flags & IGC_FILTER_FLAG_USER_DATA) {
|
|
fsp->flow_type |= FLOW_EXT;
|
|
memcpy(fsp->h_ext.data, rule->filter.user_data, sizeof(fsp->h_ext.data));
|
|
memcpy(fsp->m_ext.data, rule->filter.user_mask, sizeof(fsp->m_ext.data));
|
|
}
|
|
|
|
mutex_unlock(&adapter->nfc_rule_lock);
|
|
return 0;
|
|
|
|
out:
|
|
mutex_unlock(&adapter->nfc_rule_lock);
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int igc_ethtool_get_nfc_rules(struct igc_adapter *adapter,
|
|
struct ethtool_rxnfc *cmd,
|
|
u32 *rule_locs)
|
|
{
|
|
struct igc_nfc_rule *rule;
|
|
int cnt = 0;
|
|
|
|
cmd->data = IGC_MAX_RXNFC_RULES;
|
|
|
|
mutex_lock(&adapter->nfc_rule_lock);
|
|
|
|
list_for_each_entry(rule, &adapter->nfc_rule_list, list) {
|
|
if (cnt == cmd->rule_cnt) {
|
|
mutex_unlock(&adapter->nfc_rule_lock);
|
|
return -EMSGSIZE;
|
|
}
|
|
rule_locs[cnt] = rule->location;
|
|
cnt++;
|
|
}
|
|
|
|
mutex_unlock(&adapter->nfc_rule_lock);
|
|
|
|
cmd->rule_cnt = cnt;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int igc_ethtool_get_rss_hash_opts(struct igc_adapter *adapter,
|
|
struct ethtool_rxnfc *cmd)
|
|
{
|
|
cmd->data = 0;
|
|
|
|
/* Report default options for RSS on igc */
|
|
switch (cmd->flow_type) {
|
|
case TCP_V4_FLOW:
|
|
cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
|
|
fallthrough;
|
|
case UDP_V4_FLOW:
|
|
if (adapter->flags & IGC_FLAG_RSS_FIELD_IPV4_UDP)
|
|
cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
|
|
fallthrough;
|
|
case SCTP_V4_FLOW:
|
|
case AH_ESP_V4_FLOW:
|
|
case AH_V4_FLOW:
|
|
case ESP_V4_FLOW:
|
|
case IPV4_FLOW:
|
|
cmd->data |= RXH_IP_SRC | RXH_IP_DST;
|
|
break;
|
|
case TCP_V6_FLOW:
|
|
cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
|
|
fallthrough;
|
|
case UDP_V6_FLOW:
|
|
if (adapter->flags & IGC_FLAG_RSS_FIELD_IPV6_UDP)
|
|
cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
|
|
fallthrough;
|
|
case SCTP_V6_FLOW:
|
|
case AH_ESP_V6_FLOW:
|
|
case AH_V6_FLOW:
|
|
case ESP_V6_FLOW:
|
|
case IPV6_FLOW:
|
|
cmd->data |= RXH_IP_SRC | RXH_IP_DST;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int igc_ethtool_get_rxnfc(struct net_device *dev,
|
|
struct ethtool_rxnfc *cmd, u32 *rule_locs)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(dev);
|
|
|
|
switch (cmd->cmd) {
|
|
case ETHTOOL_GRXRINGS:
|
|
cmd->data = adapter->num_rx_queues;
|
|
return 0;
|
|
case ETHTOOL_GRXCLSRLCNT:
|
|
cmd->rule_cnt = adapter->nfc_rule_count;
|
|
return 0;
|
|
case ETHTOOL_GRXCLSRULE:
|
|
return igc_ethtool_get_nfc_rule(adapter, cmd);
|
|
case ETHTOOL_GRXCLSRLALL:
|
|
return igc_ethtool_get_nfc_rules(adapter, cmd, rule_locs);
|
|
case ETHTOOL_GRXFH:
|
|
return igc_ethtool_get_rss_hash_opts(adapter, cmd);
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
#define UDP_RSS_FLAGS (IGC_FLAG_RSS_FIELD_IPV4_UDP | \
|
|
IGC_FLAG_RSS_FIELD_IPV6_UDP)
|
|
static int igc_ethtool_set_rss_hash_opt(struct igc_adapter *adapter,
|
|
struct ethtool_rxnfc *nfc)
|
|
{
|
|
u32 flags = adapter->flags;
|
|
|
|
/* RSS does not support anything other than hashing
|
|
* to queues on src and dst IPs and ports
|
|
*/
|
|
if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
|
|
RXH_L4_B_0_1 | RXH_L4_B_2_3))
|
|
return -EINVAL;
|
|
|
|
switch (nfc->flow_type) {
|
|
case TCP_V4_FLOW:
|
|
case TCP_V6_FLOW:
|
|
if (!(nfc->data & RXH_IP_SRC) ||
|
|
!(nfc->data & RXH_IP_DST) ||
|
|
!(nfc->data & RXH_L4_B_0_1) ||
|
|
!(nfc->data & RXH_L4_B_2_3))
|
|
return -EINVAL;
|
|
break;
|
|
case UDP_V4_FLOW:
|
|
if (!(nfc->data & RXH_IP_SRC) ||
|
|
!(nfc->data & RXH_IP_DST))
|
|
return -EINVAL;
|
|
switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
|
|
case 0:
|
|
flags &= ~IGC_FLAG_RSS_FIELD_IPV4_UDP;
|
|
break;
|
|
case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
|
|
flags |= IGC_FLAG_RSS_FIELD_IPV4_UDP;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
break;
|
|
case UDP_V6_FLOW:
|
|
if (!(nfc->data & RXH_IP_SRC) ||
|
|
!(nfc->data & RXH_IP_DST))
|
|
return -EINVAL;
|
|
switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
|
|
case 0:
|
|
flags &= ~IGC_FLAG_RSS_FIELD_IPV6_UDP;
|
|
break;
|
|
case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
|
|
flags |= IGC_FLAG_RSS_FIELD_IPV6_UDP;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
break;
|
|
case AH_ESP_V4_FLOW:
|
|
case AH_V4_FLOW:
|
|
case ESP_V4_FLOW:
|
|
case SCTP_V4_FLOW:
|
|
case AH_ESP_V6_FLOW:
|
|
case AH_V6_FLOW:
|
|
case ESP_V6_FLOW:
|
|
case SCTP_V6_FLOW:
|
|
if (!(nfc->data & RXH_IP_SRC) ||
|
|
!(nfc->data & RXH_IP_DST) ||
|
|
(nfc->data & RXH_L4_B_0_1) ||
|
|
(nfc->data & RXH_L4_B_2_3))
|
|
return -EINVAL;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* if we changed something we need to update flags */
|
|
if (flags != adapter->flags) {
|
|
struct igc_hw *hw = &adapter->hw;
|
|
u32 mrqc = rd32(IGC_MRQC);
|
|
|
|
if ((flags & UDP_RSS_FLAGS) &&
|
|
!(adapter->flags & UDP_RSS_FLAGS))
|
|
netdev_err(adapter->netdev,
|
|
"Enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n");
|
|
|
|
adapter->flags = flags;
|
|
|
|
/* Perform hash on these packet types */
|
|
mrqc |= IGC_MRQC_RSS_FIELD_IPV4 |
|
|
IGC_MRQC_RSS_FIELD_IPV4_TCP |
|
|
IGC_MRQC_RSS_FIELD_IPV6 |
|
|
IGC_MRQC_RSS_FIELD_IPV6_TCP;
|
|
|
|
mrqc &= ~(IGC_MRQC_RSS_FIELD_IPV4_UDP |
|
|
IGC_MRQC_RSS_FIELD_IPV6_UDP);
|
|
|
|
if (flags & IGC_FLAG_RSS_FIELD_IPV4_UDP)
|
|
mrqc |= IGC_MRQC_RSS_FIELD_IPV4_UDP;
|
|
|
|
if (flags & IGC_FLAG_RSS_FIELD_IPV6_UDP)
|
|
mrqc |= IGC_MRQC_RSS_FIELD_IPV6_UDP;
|
|
|
|
wr32(IGC_MRQC, mrqc);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void igc_ethtool_init_nfc_rule(struct igc_nfc_rule *rule,
|
|
const struct ethtool_rx_flow_spec *fsp)
|
|
{
|
|
INIT_LIST_HEAD(&rule->list);
|
|
|
|
rule->action = fsp->ring_cookie;
|
|
rule->location = fsp->location;
|
|
|
|
if ((fsp->flow_type & FLOW_EXT) && fsp->m_ext.vlan_tci) {
|
|
rule->filter.vlan_tci = ntohs(fsp->h_ext.vlan_tci);
|
|
rule->filter.match_flags |= IGC_FILTER_FLAG_VLAN_TCI;
|
|
}
|
|
|
|
if (fsp->m_u.ether_spec.h_proto == ETHER_TYPE_FULL_MASK) {
|
|
rule->filter.etype = ntohs(fsp->h_u.ether_spec.h_proto);
|
|
rule->filter.match_flags = IGC_FILTER_FLAG_ETHER_TYPE;
|
|
}
|
|
|
|
/* Both source and destination address filters only support the full
|
|
* mask.
|
|
*/
|
|
if (is_broadcast_ether_addr(fsp->m_u.ether_spec.h_source)) {
|
|
rule->filter.match_flags |= IGC_FILTER_FLAG_SRC_MAC_ADDR;
|
|
ether_addr_copy(rule->filter.src_addr,
|
|
fsp->h_u.ether_spec.h_source);
|
|
}
|
|
|
|
if (is_broadcast_ether_addr(fsp->m_u.ether_spec.h_dest)) {
|
|
rule->filter.match_flags |= IGC_FILTER_FLAG_DST_MAC_ADDR;
|
|
ether_addr_copy(rule->filter.dst_addr,
|
|
fsp->h_u.ether_spec.h_dest);
|
|
}
|
|
|
|
/* VLAN etype matching */
|
|
if ((fsp->flow_type & FLOW_EXT) && fsp->h_ext.vlan_etype) {
|
|
rule->filter.vlan_etype = fsp->h_ext.vlan_etype;
|
|
rule->filter.match_flags |= IGC_FILTER_FLAG_VLAN_ETYPE;
|
|
}
|
|
|
|
/* Check for user defined data */
|
|
if ((fsp->flow_type & FLOW_EXT) &&
|
|
(fsp->h_ext.data[0] || fsp->h_ext.data[1])) {
|
|
rule->filter.match_flags |= IGC_FILTER_FLAG_USER_DATA;
|
|
memcpy(rule->filter.user_data, fsp->h_ext.data, sizeof(fsp->h_ext.data));
|
|
memcpy(rule->filter.user_mask, fsp->m_ext.data, sizeof(fsp->m_ext.data));
|
|
}
|
|
|
|
/* When multiple filter options or user data or vlan etype is set, use a
|
|
* flex filter.
|
|
*/
|
|
if ((rule->filter.match_flags & IGC_FILTER_FLAG_USER_DATA) ||
|
|
(rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_ETYPE) ||
|
|
(rule->filter.match_flags & (rule->filter.match_flags - 1)))
|
|
rule->flex = true;
|
|
else
|
|
rule->flex = false;
|
|
}
|
|
|
|
/**
|
|
* igc_ethtool_check_nfc_rule() - Check if NFC rule is valid
|
|
* @adapter: Pointer to adapter
|
|
* @rule: Rule under evaluation
|
|
*
|
|
* The driver doesn't support rules with multiple matches so if more than
|
|
* one bit in filter flags is set, @rule is considered invalid.
|
|
*
|
|
* Also, if there is already another rule with the same filter in a different
|
|
* location, @rule is considered invalid.
|
|
*
|
|
* Context: Expects adapter->nfc_rule_lock to be held by caller.
|
|
*
|
|
* Return: 0 in case of success, negative errno code otherwise.
|
|
*/
|
|
static int igc_ethtool_check_nfc_rule(struct igc_adapter *adapter,
|
|
struct igc_nfc_rule *rule)
|
|
{
|
|
struct net_device *dev = adapter->netdev;
|
|
u8 flags = rule->filter.match_flags;
|
|
struct igc_nfc_rule *tmp;
|
|
|
|
if (!flags) {
|
|
netdev_dbg(dev, "Rule with no match\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
list_for_each_entry(tmp, &adapter->nfc_rule_list, list) {
|
|
if (!memcmp(&rule->filter, &tmp->filter,
|
|
sizeof(rule->filter)) &&
|
|
tmp->location != rule->location) {
|
|
netdev_dbg(dev, "Rule already exists\n");
|
|
return -EEXIST;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int igc_ethtool_add_nfc_rule(struct igc_adapter *adapter,
|
|
struct ethtool_rxnfc *cmd)
|
|
{
|
|
struct net_device *netdev = adapter->netdev;
|
|
struct ethtool_rx_flow_spec *fsp =
|
|
(struct ethtool_rx_flow_spec *)&cmd->fs;
|
|
struct igc_nfc_rule *rule, *old_rule;
|
|
int err;
|
|
|
|
if (!(netdev->hw_features & NETIF_F_NTUPLE)) {
|
|
netdev_dbg(netdev, "N-tuple filters disabled\n");
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
if ((fsp->flow_type & ~FLOW_EXT) != ETHER_FLOW) {
|
|
netdev_dbg(netdev, "Only ethernet flow type is supported\n");
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
if (fsp->ring_cookie >= adapter->num_rx_queues) {
|
|
netdev_dbg(netdev, "Invalid action\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (fsp->location >= IGC_MAX_RXNFC_RULES) {
|
|
netdev_dbg(netdev, "Invalid location\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
rule = kzalloc(sizeof(*rule), GFP_KERNEL);
|
|
if (!rule)
|
|
return -ENOMEM;
|
|
|
|
igc_ethtool_init_nfc_rule(rule, fsp);
|
|
|
|
mutex_lock(&adapter->nfc_rule_lock);
|
|
|
|
err = igc_ethtool_check_nfc_rule(adapter, rule);
|
|
if (err)
|
|
goto err;
|
|
|
|
old_rule = igc_get_nfc_rule(adapter, fsp->location);
|
|
if (old_rule)
|
|
igc_del_nfc_rule(adapter, old_rule);
|
|
|
|
err = igc_add_nfc_rule(adapter, rule);
|
|
if (err)
|
|
goto err;
|
|
|
|
mutex_unlock(&adapter->nfc_rule_lock);
|
|
return 0;
|
|
|
|
err:
|
|
mutex_unlock(&adapter->nfc_rule_lock);
|
|
kfree(rule);
|
|
return err;
|
|
}
|
|
|
|
static int igc_ethtool_del_nfc_rule(struct igc_adapter *adapter,
|
|
struct ethtool_rxnfc *cmd)
|
|
{
|
|
struct ethtool_rx_flow_spec *fsp =
|
|
(struct ethtool_rx_flow_spec *)&cmd->fs;
|
|
struct igc_nfc_rule *rule;
|
|
|
|
mutex_lock(&adapter->nfc_rule_lock);
|
|
|
|
rule = igc_get_nfc_rule(adapter, fsp->location);
|
|
if (!rule) {
|
|
mutex_unlock(&adapter->nfc_rule_lock);
|
|
return -EINVAL;
|
|
}
|
|
|
|
igc_del_nfc_rule(adapter, rule);
|
|
|
|
mutex_unlock(&adapter->nfc_rule_lock);
|
|
return 0;
|
|
}
|
|
|
|
static int igc_ethtool_set_rxnfc(struct net_device *dev,
|
|
struct ethtool_rxnfc *cmd)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(dev);
|
|
|
|
switch (cmd->cmd) {
|
|
case ETHTOOL_SRXFH:
|
|
return igc_ethtool_set_rss_hash_opt(adapter, cmd);
|
|
case ETHTOOL_SRXCLSRLINS:
|
|
return igc_ethtool_add_nfc_rule(adapter, cmd);
|
|
case ETHTOOL_SRXCLSRLDEL:
|
|
return igc_ethtool_del_nfc_rule(adapter, cmd);
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
void igc_write_rss_indir_tbl(struct igc_adapter *adapter)
|
|
{
|
|
struct igc_hw *hw = &adapter->hw;
|
|
u32 reg = IGC_RETA(0);
|
|
u32 shift = 0;
|
|
int i = 0;
|
|
|
|
while (i < IGC_RETA_SIZE) {
|
|
u32 val = 0;
|
|
int j;
|
|
|
|
for (j = 3; j >= 0; j--) {
|
|
val <<= 8;
|
|
val |= adapter->rss_indir_tbl[i + j];
|
|
}
|
|
|
|
wr32(reg, val << shift);
|
|
reg += 4;
|
|
i += 4;
|
|
}
|
|
}
|
|
|
|
static u32 igc_ethtool_get_rxfh_indir_size(struct net_device *netdev)
|
|
{
|
|
return IGC_RETA_SIZE;
|
|
}
|
|
|
|
static int igc_ethtool_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
|
|
u8 *hfunc)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
int i;
|
|
|
|
if (hfunc)
|
|
*hfunc = ETH_RSS_HASH_TOP;
|
|
if (!indir)
|
|
return 0;
|
|
for (i = 0; i < IGC_RETA_SIZE; i++)
|
|
indir[i] = adapter->rss_indir_tbl[i];
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int igc_ethtool_set_rxfh(struct net_device *netdev, const u32 *indir,
|
|
const u8 *key, const u8 hfunc)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
u32 num_queues;
|
|
int i;
|
|
|
|
/* We do not allow change in unsupported parameters */
|
|
if (key ||
|
|
(hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
|
|
return -EOPNOTSUPP;
|
|
if (!indir)
|
|
return 0;
|
|
|
|
num_queues = adapter->rss_queues;
|
|
|
|
/* Verify user input. */
|
|
for (i = 0; i < IGC_RETA_SIZE; i++)
|
|
if (indir[i] >= num_queues)
|
|
return -EINVAL;
|
|
|
|
for (i = 0; i < IGC_RETA_SIZE; i++)
|
|
adapter->rss_indir_tbl[i] = indir[i];
|
|
|
|
igc_write_rss_indir_tbl(adapter);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void igc_ethtool_get_channels(struct net_device *netdev,
|
|
struct ethtool_channels *ch)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
|
|
/* Report maximum channels */
|
|
ch->max_combined = igc_get_max_rss_queues(adapter);
|
|
|
|
/* Report info for other vector */
|
|
if (adapter->flags & IGC_FLAG_HAS_MSIX) {
|
|
ch->max_other = NON_Q_VECTORS;
|
|
ch->other_count = NON_Q_VECTORS;
|
|
}
|
|
|
|
ch->combined_count = adapter->rss_queues;
|
|
}
|
|
|
|
static int igc_ethtool_set_channels(struct net_device *netdev,
|
|
struct ethtool_channels *ch)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
unsigned int count = ch->combined_count;
|
|
unsigned int max_combined = 0;
|
|
|
|
/* Verify they are not requesting separate vectors */
|
|
if (!count || ch->rx_count || ch->tx_count)
|
|
return -EINVAL;
|
|
|
|
/* Verify other_count is valid and has not been changed */
|
|
if (ch->other_count != NON_Q_VECTORS)
|
|
return -EINVAL;
|
|
|
|
/* Verify the number of channels doesn't exceed hw limits */
|
|
max_combined = igc_get_max_rss_queues(adapter);
|
|
if (count > max_combined)
|
|
return -EINVAL;
|
|
|
|
if (count != adapter->rss_queues) {
|
|
adapter->rss_queues = count;
|
|
igc_set_flag_queue_pairs(adapter, max_combined);
|
|
|
|
/* Hardware has to reinitialize queues and interrupts to
|
|
* match the new configuration.
|
|
*/
|
|
return igc_reinit_queues(adapter);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int igc_ethtool_get_ts_info(struct net_device *dev,
|
|
struct ethtool_ts_info *info)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(dev);
|
|
|
|
if (adapter->ptp_clock)
|
|
info->phc_index = ptp_clock_index(adapter->ptp_clock);
|
|
else
|
|
info->phc_index = -1;
|
|
|
|
switch (adapter->hw.mac.type) {
|
|
case igc_i225:
|
|
info->so_timestamping =
|
|
SOF_TIMESTAMPING_TX_SOFTWARE |
|
|
SOF_TIMESTAMPING_RX_SOFTWARE |
|
|
SOF_TIMESTAMPING_SOFTWARE |
|
|
SOF_TIMESTAMPING_TX_HARDWARE |
|
|
SOF_TIMESTAMPING_RX_HARDWARE |
|
|
SOF_TIMESTAMPING_RAW_HARDWARE;
|
|
|
|
info->tx_types =
|
|
BIT(HWTSTAMP_TX_OFF) |
|
|
BIT(HWTSTAMP_TX_ON);
|
|
|
|
info->rx_filters = BIT(HWTSTAMP_FILTER_NONE);
|
|
info->rx_filters |= BIT(HWTSTAMP_FILTER_ALL);
|
|
|
|
return 0;
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
static u32 igc_ethtool_get_priv_flags(struct net_device *netdev)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
u32 priv_flags = 0;
|
|
|
|
if (adapter->flags & IGC_FLAG_RX_LEGACY)
|
|
priv_flags |= IGC_PRIV_FLAGS_LEGACY_RX;
|
|
|
|
return priv_flags;
|
|
}
|
|
|
|
static int igc_ethtool_set_priv_flags(struct net_device *netdev, u32 priv_flags)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
unsigned int flags = adapter->flags;
|
|
|
|
flags &= ~IGC_FLAG_RX_LEGACY;
|
|
if (priv_flags & IGC_PRIV_FLAGS_LEGACY_RX)
|
|
flags |= IGC_FLAG_RX_LEGACY;
|
|
|
|
if (flags != adapter->flags) {
|
|
adapter->flags = flags;
|
|
|
|
/* reset interface to repopulate queues */
|
|
if (netif_running(netdev))
|
|
igc_reinit_locked(adapter);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int igc_ethtool_get_eee(struct net_device *netdev,
|
|
struct ethtool_eee *edata)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
struct igc_hw *hw = &adapter->hw;
|
|
u32 eeer;
|
|
|
|
if (hw->dev_spec._base.eee_enable)
|
|
edata->advertised =
|
|
mmd_eee_adv_to_ethtool_adv_t(adapter->eee_advert);
|
|
|
|
*edata = adapter->eee;
|
|
edata->supported = SUPPORTED_Autoneg;
|
|
|
|
eeer = rd32(IGC_EEER);
|
|
|
|
/* EEE status on negotiated link */
|
|
if (eeer & IGC_EEER_EEE_NEG)
|
|
edata->eee_active = true;
|
|
|
|
if (eeer & IGC_EEER_TX_LPI_EN)
|
|
edata->tx_lpi_enabled = true;
|
|
|
|
edata->eee_enabled = hw->dev_spec._base.eee_enable;
|
|
|
|
edata->advertised = SUPPORTED_Autoneg;
|
|
edata->lp_advertised = SUPPORTED_Autoneg;
|
|
|
|
/* Report correct negotiated EEE status for devices that
|
|
* wrongly report EEE at half-duplex
|
|
*/
|
|
if (adapter->link_duplex == HALF_DUPLEX) {
|
|
edata->eee_enabled = false;
|
|
edata->eee_active = false;
|
|
edata->tx_lpi_enabled = false;
|
|
edata->advertised &= ~edata->advertised;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int igc_ethtool_set_eee(struct net_device *netdev,
|
|
struct ethtool_eee *edata)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
struct igc_hw *hw = &adapter->hw;
|
|
struct ethtool_eee eee_curr;
|
|
s32 ret_val;
|
|
|
|
memset(&eee_curr, 0, sizeof(struct ethtool_eee));
|
|
|
|
ret_val = igc_ethtool_get_eee(netdev, &eee_curr);
|
|
if (ret_val) {
|
|
netdev_err(netdev,
|
|
"Problem setting EEE advertisement options\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (eee_curr.eee_enabled) {
|
|
if (eee_curr.tx_lpi_enabled != edata->tx_lpi_enabled) {
|
|
netdev_err(netdev,
|
|
"Setting EEE tx-lpi is not supported\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* Tx LPI timer is not implemented currently */
|
|
if (edata->tx_lpi_timer) {
|
|
netdev_err(netdev,
|
|
"Setting EEE Tx LPI timer is not supported\n");
|
|
return -EINVAL;
|
|
}
|
|
} else if (!edata->eee_enabled) {
|
|
netdev_err(netdev,
|
|
"Setting EEE options are not supported with EEE disabled\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
adapter->eee_advert = ethtool_adv_to_mmd_eee_adv_t(edata->advertised);
|
|
if (hw->dev_spec._base.eee_enable != edata->eee_enabled) {
|
|
hw->dev_spec._base.eee_enable = edata->eee_enabled;
|
|
adapter->flags |= IGC_FLAG_EEE;
|
|
|
|
/* reset link */
|
|
if (netif_running(netdev))
|
|
igc_reinit_locked(adapter);
|
|
else
|
|
igc_reset(adapter);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int igc_ethtool_begin(struct net_device *netdev)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
|
|
pm_runtime_get_sync(&adapter->pdev->dev);
|
|
return 0;
|
|
}
|
|
|
|
static void igc_ethtool_complete(struct net_device *netdev)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
|
|
pm_runtime_put(&adapter->pdev->dev);
|
|
}
|
|
|
|
static int igc_ethtool_get_link_ksettings(struct net_device *netdev,
|
|
struct ethtool_link_ksettings *cmd)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
struct igc_hw *hw = &adapter->hw;
|
|
u32 status;
|
|
u32 speed;
|
|
|
|
ethtool_link_ksettings_zero_link_mode(cmd, supported);
|
|
ethtool_link_ksettings_zero_link_mode(cmd, advertising);
|
|
|
|
/* supported link modes */
|
|
ethtool_link_ksettings_add_link_mode(cmd, supported, 10baseT_Half);
|
|
ethtool_link_ksettings_add_link_mode(cmd, supported, 10baseT_Full);
|
|
ethtool_link_ksettings_add_link_mode(cmd, supported, 100baseT_Half);
|
|
ethtool_link_ksettings_add_link_mode(cmd, supported, 100baseT_Full);
|
|
ethtool_link_ksettings_add_link_mode(cmd, supported, 1000baseT_Full);
|
|
ethtool_link_ksettings_add_link_mode(cmd, supported, 2500baseT_Full);
|
|
|
|
/* twisted pair */
|
|
cmd->base.port = PORT_TP;
|
|
cmd->base.phy_address = hw->phy.addr;
|
|
|
|
/* advertising link modes */
|
|
if (hw->phy.autoneg_advertised & ADVERTISE_10_HALF)
|
|
ethtool_link_ksettings_add_link_mode(cmd, advertising, 10baseT_Half);
|
|
if (hw->phy.autoneg_advertised & ADVERTISE_10_FULL)
|
|
ethtool_link_ksettings_add_link_mode(cmd, advertising, 10baseT_Full);
|
|
if (hw->phy.autoneg_advertised & ADVERTISE_100_HALF)
|
|
ethtool_link_ksettings_add_link_mode(cmd, advertising, 100baseT_Half);
|
|
if (hw->phy.autoneg_advertised & ADVERTISE_100_FULL)
|
|
ethtool_link_ksettings_add_link_mode(cmd, advertising, 100baseT_Full);
|
|
if (hw->phy.autoneg_advertised & ADVERTISE_1000_FULL)
|
|
ethtool_link_ksettings_add_link_mode(cmd, advertising, 1000baseT_Full);
|
|
if (hw->phy.autoneg_advertised & ADVERTISE_2500_FULL)
|
|
ethtool_link_ksettings_add_link_mode(cmd, advertising, 2500baseT_Full);
|
|
|
|
/* set autoneg settings */
|
|
if (hw->mac.autoneg == 1) {
|
|
ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg);
|
|
ethtool_link_ksettings_add_link_mode(cmd, advertising,
|
|
Autoneg);
|
|
}
|
|
|
|
/* Set pause flow control settings */
|
|
ethtool_link_ksettings_add_link_mode(cmd, supported, Pause);
|
|
|
|
switch (hw->fc.requested_mode) {
|
|
case igc_fc_full:
|
|
ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause);
|
|
break;
|
|
case igc_fc_rx_pause:
|
|
ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause);
|
|
ethtool_link_ksettings_add_link_mode(cmd, advertising,
|
|
Asym_Pause);
|
|
break;
|
|
case igc_fc_tx_pause:
|
|
ethtool_link_ksettings_add_link_mode(cmd, advertising,
|
|
Asym_Pause);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
status = pm_runtime_suspended(&adapter->pdev->dev) ?
|
|
0 : rd32(IGC_STATUS);
|
|
|
|
if (status & IGC_STATUS_LU) {
|
|
if (status & IGC_STATUS_SPEED_1000) {
|
|
/* For I225, STATUS will indicate 1G speed in both
|
|
* 1 Gbps and 2.5 Gbps link modes.
|
|
* An additional bit is used
|
|
* to differentiate between 1 Gbps and 2.5 Gbps.
|
|
*/
|
|
if (hw->mac.type == igc_i225 &&
|
|
(status & IGC_STATUS_SPEED_2500)) {
|
|
speed = SPEED_2500;
|
|
} else {
|
|
speed = SPEED_1000;
|
|
}
|
|
} else if (status & IGC_STATUS_SPEED_100) {
|
|
speed = SPEED_100;
|
|
} else {
|
|
speed = SPEED_10;
|
|
}
|
|
if ((status & IGC_STATUS_FD) ||
|
|
hw->phy.media_type != igc_media_type_copper)
|
|
cmd->base.duplex = DUPLEX_FULL;
|
|
else
|
|
cmd->base.duplex = DUPLEX_HALF;
|
|
} else {
|
|
speed = SPEED_UNKNOWN;
|
|
cmd->base.duplex = DUPLEX_UNKNOWN;
|
|
}
|
|
cmd->base.speed = speed;
|
|
if (hw->mac.autoneg)
|
|
cmd->base.autoneg = AUTONEG_ENABLE;
|
|
else
|
|
cmd->base.autoneg = AUTONEG_DISABLE;
|
|
|
|
/* MDI-X => 2; MDI =>1; Invalid =>0 */
|
|
if (hw->phy.media_type == igc_media_type_copper)
|
|
cmd->base.eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X :
|
|
ETH_TP_MDI;
|
|
else
|
|
cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
|
|
|
|
if (hw->phy.mdix == AUTO_ALL_MODES)
|
|
cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
|
|
else
|
|
cmd->base.eth_tp_mdix_ctrl = hw->phy.mdix;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
igc_ethtool_set_link_ksettings(struct net_device *netdev,
|
|
const struct ethtool_link_ksettings *cmd)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
struct net_device *dev = adapter->netdev;
|
|
struct igc_hw *hw = &adapter->hw;
|
|
u32 advertising;
|
|
|
|
/* When adapter in resetting mode, autoneg/speed/duplex
|
|
* cannot be changed
|
|
*/
|
|
if (igc_check_reset_block(hw)) {
|
|
netdev_err(dev, "Cannot change link characteristics when reset is active\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* MDI setting is only allowed when autoneg enabled because
|
|
* some hardware doesn't allow MDI setting when speed or
|
|
* duplex is forced.
|
|
*/
|
|
if (cmd->base.eth_tp_mdix_ctrl) {
|
|
if (cmd->base.eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO &&
|
|
cmd->base.autoneg != AUTONEG_ENABLE) {
|
|
netdev_err(dev, "Forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
while (test_and_set_bit(__IGC_RESETTING, &adapter->state))
|
|
usleep_range(1000, 2000);
|
|
|
|
ethtool_convert_link_mode_to_legacy_u32(&advertising,
|
|
cmd->link_modes.advertising);
|
|
/* Converting to legacy u32 drops ETHTOOL_LINK_MODE_2500baseT_Full_BIT.
|
|
* We have to check this and convert it to ADVERTISE_2500_FULL
|
|
* (aka ETHTOOL_LINK_MODE_2500baseX_Full_BIT) explicitly.
|
|
*/
|
|
if (ethtool_link_ksettings_test_link_mode(cmd, advertising, 2500baseT_Full))
|
|
advertising |= ADVERTISE_2500_FULL;
|
|
|
|
if (cmd->base.autoneg == AUTONEG_ENABLE) {
|
|
hw->mac.autoneg = 1;
|
|
hw->phy.autoneg_advertised = advertising;
|
|
if (adapter->fc_autoneg)
|
|
hw->fc.requested_mode = igc_fc_default;
|
|
} else {
|
|
netdev_info(dev, "Force mode currently not supported\n");
|
|
}
|
|
|
|
/* MDI-X => 2; MDI => 1; Auto => 3 */
|
|
if (cmd->base.eth_tp_mdix_ctrl) {
|
|
/* fix up the value for auto (3 => 0) as zero is mapped
|
|
* internally to auto
|
|
*/
|
|
if (cmd->base.eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
|
|
hw->phy.mdix = AUTO_ALL_MODES;
|
|
else
|
|
hw->phy.mdix = cmd->base.eth_tp_mdix_ctrl;
|
|
}
|
|
|
|
/* reset the link */
|
|
if (netif_running(adapter->netdev)) {
|
|
igc_down(adapter);
|
|
igc_up(adapter);
|
|
} else {
|
|
igc_reset(adapter);
|
|
}
|
|
|
|
clear_bit(__IGC_RESETTING, &adapter->state);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void igc_ethtool_diag_test(struct net_device *netdev,
|
|
struct ethtool_test *eth_test, u64 *data)
|
|
{
|
|
struct igc_adapter *adapter = netdev_priv(netdev);
|
|
bool if_running = netif_running(netdev);
|
|
|
|
if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
|
|
netdev_info(adapter->netdev, "Offline testing starting");
|
|
set_bit(__IGC_TESTING, &adapter->state);
|
|
|
|
/* Link test performed before hardware reset so autoneg doesn't
|
|
* interfere with test result
|
|
*/
|
|
if (!igc_link_test(adapter, &data[TEST_LINK]))
|
|
eth_test->flags |= ETH_TEST_FL_FAILED;
|
|
|
|
if (if_running)
|
|
igc_close(netdev);
|
|
else
|
|
igc_reset(adapter);
|
|
|
|
netdev_info(adapter->netdev, "Register testing starting");
|
|
if (!igc_reg_test(adapter, &data[TEST_REG]))
|
|
eth_test->flags |= ETH_TEST_FL_FAILED;
|
|
|
|
igc_reset(adapter);
|
|
|
|
netdev_info(adapter->netdev, "EEPROM testing starting");
|
|
if (!igc_eeprom_test(adapter, &data[TEST_EEP]))
|
|
eth_test->flags |= ETH_TEST_FL_FAILED;
|
|
|
|
igc_reset(adapter);
|
|
|
|
/* loopback and interrupt tests
|
|
* will be implemented in the future
|
|
*/
|
|
data[TEST_LOOP] = 0;
|
|
data[TEST_IRQ] = 0;
|
|
|
|
clear_bit(__IGC_TESTING, &adapter->state);
|
|
if (if_running)
|
|
igc_open(netdev);
|
|
} else {
|
|
netdev_info(adapter->netdev, "Online testing starting");
|
|
|
|
/* register, eeprom, intr and loopback tests not run online */
|
|
data[TEST_REG] = 0;
|
|
data[TEST_EEP] = 0;
|
|
data[TEST_IRQ] = 0;
|
|
data[TEST_LOOP] = 0;
|
|
|
|
if (!igc_link_test(adapter, &data[TEST_LINK]))
|
|
eth_test->flags |= ETH_TEST_FL_FAILED;
|
|
}
|
|
|
|
msleep_interruptible(4 * 1000);
|
|
}
|
|
|
|
static const struct ethtool_ops igc_ethtool_ops = {
|
|
.supported_coalesce_params = ETHTOOL_COALESCE_USECS,
|
|
.get_drvinfo = igc_ethtool_get_drvinfo,
|
|
.get_regs_len = igc_ethtool_get_regs_len,
|
|
.get_regs = igc_ethtool_get_regs,
|
|
.get_wol = igc_ethtool_get_wol,
|
|
.set_wol = igc_ethtool_set_wol,
|
|
.get_msglevel = igc_ethtool_get_msglevel,
|
|
.set_msglevel = igc_ethtool_set_msglevel,
|
|
.nway_reset = igc_ethtool_nway_reset,
|
|
.get_link = igc_ethtool_get_link,
|
|
.get_eeprom_len = igc_ethtool_get_eeprom_len,
|
|
.get_eeprom = igc_ethtool_get_eeprom,
|
|
.set_eeprom = igc_ethtool_set_eeprom,
|
|
.get_ringparam = igc_ethtool_get_ringparam,
|
|
.set_ringparam = igc_ethtool_set_ringparam,
|
|
.get_pauseparam = igc_ethtool_get_pauseparam,
|
|
.set_pauseparam = igc_ethtool_set_pauseparam,
|
|
.get_strings = igc_ethtool_get_strings,
|
|
.get_sset_count = igc_ethtool_get_sset_count,
|
|
.get_ethtool_stats = igc_ethtool_get_stats,
|
|
.get_coalesce = igc_ethtool_get_coalesce,
|
|
.set_coalesce = igc_ethtool_set_coalesce,
|
|
.get_rxnfc = igc_ethtool_get_rxnfc,
|
|
.set_rxnfc = igc_ethtool_set_rxnfc,
|
|
.get_rxfh_indir_size = igc_ethtool_get_rxfh_indir_size,
|
|
.get_rxfh = igc_ethtool_get_rxfh,
|
|
.set_rxfh = igc_ethtool_set_rxfh,
|
|
.get_ts_info = igc_ethtool_get_ts_info,
|
|
.get_channels = igc_ethtool_get_channels,
|
|
.set_channels = igc_ethtool_set_channels,
|
|
.get_priv_flags = igc_ethtool_get_priv_flags,
|
|
.set_priv_flags = igc_ethtool_set_priv_flags,
|
|
.get_eee = igc_ethtool_get_eee,
|
|
.set_eee = igc_ethtool_set_eee,
|
|
.begin = igc_ethtool_begin,
|
|
.complete = igc_ethtool_complete,
|
|
.get_link_ksettings = igc_ethtool_get_link_ksettings,
|
|
.set_link_ksettings = igc_ethtool_set_link_ksettings,
|
|
.self_test = igc_ethtool_diag_test,
|
|
};
|
|
|
|
void igc_ethtool_set_ops(struct net_device *netdev)
|
|
{
|
|
netdev->ethtool_ops = &igc_ethtool_ops;
|
|
}
|