diff options
Diffstat (limited to 'drivers/net/ethernet/intel/igc/igc_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc_ethtool.c | 2041 |
1 files changed, 2041 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c new file mode 100644 index 000000000..2bee9cace --- /dev/null +++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c @@ -0,0 +1,2041 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2018 Intel Corporation */ + +/* ethtool support for igc */ +#include <linux/if_vlan.h> +#include <linux/pm_runtime.h> +#include <linux/mdio.h> + +#include "igc.h" +#include "igc_diag.h" + +/* forward declaration */ +struct igc_stats { + char stat_string[ETH_GSTRING_LEN]; + int sizeof_stat; + int stat_offset; +}; + +#define IGC_STAT(_name, _stat) { \ + .stat_string = _name, \ + .sizeof_stat = sizeof_field(struct igc_adapter, _stat), \ + .stat_offset = offsetof(struct igc_adapter, _stat) \ +} + +static const struct igc_stats igc_gstrings_stats[] = { + IGC_STAT("rx_packets", stats.gprc), + IGC_STAT("tx_packets", stats.gptc), + IGC_STAT("rx_bytes", stats.gorc), + IGC_STAT("tx_bytes", stats.gotc), + IGC_STAT("rx_broadcast", stats.bprc), + IGC_STAT("tx_broadcast", stats.bptc), + IGC_STAT("rx_multicast", stats.mprc), + IGC_STAT("tx_multicast", stats.mptc), + IGC_STAT("multicast", stats.mprc), + IGC_STAT("collisions", stats.colc), + IGC_STAT("rx_crc_errors", stats.crcerrs), + IGC_STAT("rx_no_buffer_count", stats.rnbc), + IGC_STAT("rx_missed_errors", stats.mpc), + IGC_STAT("tx_aborted_errors", stats.ecol), + IGC_STAT("tx_carrier_errors", stats.tncrs), + IGC_STAT("tx_window_errors", stats.latecol), + IGC_STAT("tx_abort_late_coll", stats.latecol), + IGC_STAT("tx_deferred_ok", stats.dc), + IGC_STAT("tx_single_coll_ok", stats.scc), + IGC_STAT("tx_multi_coll_ok", stats.mcc), + IGC_STAT("tx_timeout_count", tx_timeout_count), + IGC_STAT("rx_long_length_errors", stats.roc), + IGC_STAT("rx_short_length_errors", stats.ruc), + IGC_STAT("rx_align_errors", stats.algnerrc), + IGC_STAT("tx_tcp_seg_good", stats.tsctc), + IGC_STAT("tx_tcp_seg_failed", stats.tsctfc), + IGC_STAT("rx_flow_control_xon", stats.xonrxc), + IGC_STAT("rx_flow_control_xoff", stats.xoffrxc), + IGC_STAT("tx_flow_control_xon", stats.xontxc), + IGC_STAT("tx_flow_control_xoff", stats.xofftxc), + IGC_STAT("rx_long_byte_count", stats.gorc), + IGC_STAT("tx_dma_out_of_sync", stats.doosync), + IGC_STAT("tx_smbus", stats.mgptc), + IGC_STAT("rx_smbus", stats.mgprc), + IGC_STAT("dropped_smbus", stats.mgpdc), + IGC_STAT("os2bmc_rx_by_bmc", stats.o2bgptc), + IGC_STAT("os2bmc_tx_by_bmc", stats.b2ospc), + IGC_STAT("os2bmc_tx_by_host", stats.o2bspc), + IGC_STAT("os2bmc_rx_by_host", stats.b2ogprc), + IGC_STAT("tx_hwtstamp_timeouts", tx_hwtstamp_timeouts), + IGC_STAT("tx_hwtstamp_skipped", tx_hwtstamp_skipped), + IGC_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared), + IGC_STAT("tx_lpi_counter", stats.tlpic), + IGC_STAT("rx_lpi_counter", stats.rlpic), + IGC_STAT("qbv_config_change_errors", qbv_config_change_errors), +}; + +#define IGC_NETDEV_STAT(_net_stat) { \ + .stat_string = __stringify(_net_stat), \ + .sizeof_stat = sizeof_field(struct rtnl_link_stats64, _net_stat), \ + .stat_offset = offsetof(struct rtnl_link_stats64, _net_stat) \ +} + +static const struct igc_stats igc_gstrings_net_stats[] = { + IGC_NETDEV_STAT(rx_errors), + IGC_NETDEV_STAT(tx_errors), + IGC_NETDEV_STAT(tx_dropped), + IGC_NETDEV_STAT(rx_length_errors), + IGC_NETDEV_STAT(rx_over_errors), + IGC_NETDEV_STAT(rx_frame_errors), + IGC_NETDEV_STAT(rx_fifo_errors), + IGC_NETDEV_STAT(tx_fifo_errors), + IGC_NETDEV_STAT(tx_heartbeat_errors) +}; + +enum igc_diagnostics_results { + TEST_REG = 0, + TEST_EEP, + TEST_IRQ, + TEST_LOOP, + TEST_LINK +}; + +static const char igc_gstrings_test[][ETH_GSTRING_LEN] = { + [TEST_REG] = "Register test (offline)", + [TEST_EEP] = "Eeprom test (offline)", + [TEST_IRQ] = "Interrupt test (offline)", + [TEST_LOOP] = "Loopback test (offline)", + [TEST_LINK] = "Link test (on/offline)" +}; + +#define IGC_TEST_LEN (sizeof(igc_gstrings_test) / ETH_GSTRING_LEN) + +#define IGC_GLOBAL_STATS_LEN \ + (sizeof(igc_gstrings_stats) / sizeof(struct igc_stats)) +#define IGC_NETDEV_STATS_LEN \ + (sizeof(igc_gstrings_net_stats) / sizeof(struct igc_stats)) +#define IGC_RX_QUEUE_STATS_LEN \ + (sizeof(struct igc_rx_queue_stats) / sizeof(u64)) +#define IGC_TX_QUEUE_STATS_LEN 3 /* packets, bytes, restart_queue */ +#define IGC_QUEUE_STATS_LEN \ + ((((struct igc_adapter *)netdev_priv(netdev))->num_rx_queues * \ + IGC_RX_QUEUE_STATS_LEN) + \ + (((struct igc_adapter *)netdev_priv(netdev))->num_tx_queues * \ + IGC_TX_QUEUE_STATS_LEN)) +#define IGC_STATS_LEN \ + (IGC_GLOBAL_STATS_LEN + IGC_NETDEV_STATS_LEN + IGC_QUEUE_STATS_LEN) + +static const char igc_priv_flags_strings[][ETH_GSTRING_LEN] = { +#define IGC_PRIV_FLAGS_LEGACY_RX BIT(0) + "legacy-rx", +}; + +#define IGC_PRIV_FLAGS_STR_LEN ARRAY_SIZE(igc_priv_flags_strings) + +static void igc_ethtool_get_drvinfo(struct net_device *netdev, + struct ethtool_drvinfo *drvinfo) +{ + struct igc_adapter *adapter = netdev_priv(netdev); + struct igc_hw *hw = &adapter->hw; + u16 nvm_version = 0; + u16 gphy_version; + + strscpy(drvinfo->driver, igc_driver_name, sizeof(drvinfo->driver)); + + /* NVM image version is reported as firmware version for i225 device */ + hw->nvm.ops.read(hw, IGC_NVM_DEV_STARTER, 1, &nvm_version); + + /* gPHY firmware version is reported as PHY FW version */ + gphy_version = igc_read_phy_fw_version(hw); + + scnprintf(adapter->fw_version, + sizeof(adapter->fw_version), + "%x:%x", + nvm_version, + gphy_version); + + strscpy(drvinfo->fw_version, adapter->fw_version, + sizeof(drvinfo->fw_version)); + + strscpy(drvinfo->bus_info, pci_name(adapter->pdev), + sizeof(drvinfo->bus_info)); + + drvinfo->n_priv_flags = IGC_PRIV_FLAGS_STR_LEN; +} + +static int igc_ethtool_get_regs_len(struct net_device *netdev) +{ + return IGC_REGS_LEN * sizeof(u32); +} + +static void igc_ethtool_get_regs(struct net_device *netdev, + struct ethtool_regs *regs, void *p) +{ + struct igc_adapter *adapter = netdev_priv(netdev); + struct igc_hw *hw = &adapter->hw; + u32 *regs_buff = p; + u8 i; + + memset(p, 0, IGC_REGS_LEN * sizeof(u32)); + + regs->version = (2u << 24) | (hw->revision_id << 16) | hw->device_id; + + /* General Registers */ + regs_buff[0] = rd32(IGC_CTRL); + regs_buff[1] = rd32(IGC_STATUS); + regs_buff[2] = rd32(IGC_CTRL_EXT); + regs_buff[3] = rd32(IGC_MDIC); + regs_buff[4] = rd32(IGC_CONNSW); + + /* NVM Register */ + regs_buff[5] = rd32(IGC_EECD); + + /* Interrupt */ + /* Reading EICS for EICR because they read the + * same but EICS does not clear on read + */ + regs_buff[6] = rd32(IGC_EICS); + regs_buff[7] = rd32(IGC_EICS); + regs_buff[8] = rd32(IGC_EIMS); + regs_buff[9] = rd32(IGC_EIMC); + regs_buff[10] = rd32(IGC_EIAC); + regs_buff[11] = rd32(IGC_EIAM); + /* Reading ICS for ICR because they read the + * same but ICS does not clear on read + */ + regs_buff[12] = rd32(IGC_ICS); + regs_buff[13] = rd32(IGC_ICS); + regs_buff[14] = rd32(IGC_IMS); + regs_buff[15] = rd32(IGC_IMC); + regs_buff[16] = rd32(IGC_IAC); + regs_buff[17] = rd32(IGC_IAM); + + /* Flow Control */ + regs_buff[18] = rd32(IGC_FCAL); + regs_buff[19] = rd32(IGC_FCAH); + regs_buff[20] = rd32(IGC_FCTTV); + regs_buff[21] = rd32(IGC_FCRTL); + regs_buff[22] = rd32(IGC_FCRTH); + regs_buff[23] = rd32(IGC_FCRTV); + + /* Receive */ + regs_buff[24] = rd32(IGC_RCTL); + regs_buff[25] = rd32(IGC_RXCSUM); + regs_buff[26] = rd32(IGC_RLPML); + regs_buff[27] = rd32(IGC_RFCTL); + + /* Transmit */ + regs_buff[28] = rd32(IGC_TCTL); + regs_buff[29] = rd32(IGC_TIPG); + + /* Wake Up */ + + /* MAC */ + + /* Statistics */ + regs_buff[30] = adapter->stats.crcerrs; + regs_buff[31] = adapter->stats.algnerrc; + regs_buff[32] = adapter->stats.symerrs; + regs_buff[33] = adapter->stats.rxerrc; + regs_buff[34] = adapter->stats.mpc; + regs_buff[35] = adapter->stats.scc; + regs_buff[36] = adapter->stats.ecol; + regs_buff[37] = adapter->stats.mcc; + regs_buff[38] = adapter->stats.latecol; + regs_buff[39] = adapter->stats.colc; + regs_buff[40] = adapter->stats.dc; + regs_buff[41] = adapter->stats.tncrs; + regs_buff[42] = adapter->stats.sec; + regs_buff[43] = adapter->stats.htdpmc; + regs_buff[44] = adapter->stats.rlec; + regs_buff[45] = adapter->stats.xonrxc; + regs_buff[46] = adapter->stats.xontxc; + regs_buff[47] = adapter->stats.xoffrxc; + regs_buff[48] = adapter->stats.xofftxc; + regs_buff[49] = adapter->stats.fcruc; + regs_buff[50] = adapter->stats.prc64; + regs_buff[51] = adapter->stats.prc127; + regs_buff[52] = adapter->stats.prc255; + regs_buff[53] = adapter->stats.prc511; + regs_buff[54] = adapter->stats.prc1023; + regs_buff[55] = adapter->stats.prc1522; + regs_buff[56] = adapter->stats.gprc; + regs_buff[57] = adapter->stats.bprc; + regs_buff[58] = adapter->stats.mprc; + regs_buff[59] = adapter->stats.gptc; + regs_buff[60] = adapter->stats.gorc; + regs_buff[61] = adapter->stats.gotc; + regs_buff[62] = adapter->stats.rnbc; + regs_buff[63] = adapter->stats.ruc; + regs_buff[64] = adapter->stats.rfc; + regs_buff[65] = adapter->stats.roc; + regs_buff[66] = adapter->stats.rjc; + regs_buff[67] = adapter->stats.mgprc; + regs_buff[68] = adapter->stats.mgpdc; + regs_buff[69] = adapter->stats.mgptc; + regs_buff[70] = adapter->stats.tor; + regs_buff[71] = adapter->stats.tot; + regs_buff[72] = adapter->stats.tpr; + regs_buff[73] = adapter->stats.tpt; + regs_buff[74] = adapter->stats.ptc64; + regs_buff[75] = adapter->stats.ptc127; + regs_buff[76] = adapter->stats.ptc255; + regs_buff[77] = adapter->stats.ptc511; + regs_buff[78] = adapter->stats.ptc1023; + regs_buff[79] = adapter->stats.ptc1522; + regs_buff[80] = adapter->stats.mptc; + regs_buff[81] = adapter->stats.bptc; + regs_buff[82] = adapter->stats.tsctc; + regs_buff[83] = adapter->stats.iac; + regs_buff[84] = adapter->stats.rpthc; + regs_buff[85] = adapter->stats.hgptc; + regs_buff[86] = adapter->stats.hgorc; + regs_buff[87] = adapter->stats.hgotc; + regs_buff[88] = adapter->stats.lenerrs; + regs_buff[89] = adapter->stats.scvpc; + regs_buff[90] = adapter->stats.hrmpc; + + for (i = 0; i < 4; i++) + regs_buff[91 + i] = rd32(IGC_SRRCTL(i)); + for (i = 0; i < 4; i++) + regs_buff[95 + i] = rd32(IGC_PSRTYPE(i)); + for (i = 0; i < 4; i++) + regs_buff[99 + i] = rd32(IGC_RDBAL(i)); + for (i = 0; i < 4; i++) + regs_buff[103 + i] = rd32(IGC_RDBAH(i)); + for (i = 0; i < 4; i++) + regs_buff[107 + i] = rd32(IGC_RDLEN(i)); + for (i = 0; i < 4; i++) + regs_buff[111 + i] = rd32(IGC_RDH(i)); + for (i = 0; i < 4; i++) + regs_buff[115 + i] = rd32(IGC_RDT(i)); + for (i = 0; i < 4; i++) + regs_buff[119 + i] = rd32(IGC_RXDCTL(i)); + + for (i = 0; i < 10; i++) + regs_buff[123 + i] = rd32(IGC_EITR(i)); + for (i = 0; i < 16; i++) + regs_buff[139 + i] = rd32(IGC_RAL(i)); + for (i = 0; i < 16; i++) + regs_buff[145 + i] = rd32(IGC_RAH(i)); + + for (i = 0; i < 4; i++) + regs_buff[149 + i] = rd32(IGC_TDBAL(i)); + for (i = 0; i < 4; i++) + regs_buff[152 + i] = rd32(IGC_TDBAH(i)); + for (i = 0; i < 4; i++) + regs_buff[156 + i] = rd32(IGC_TDLEN(i)); + for (i = 0; i < 4; i++) + regs_buff[160 + i] = rd32(IGC_TDH(i)); + for (i = 0; i < 4; i++) + regs_buff[164 + i] = rd32(IGC_TDT(i)); + for (i = 0; i < 4; i++) + regs_buff[168 + i] = rd32(IGC_TXDCTL(i)); + + /* XXX: Due to a bug few lines above, RAL and RAH registers are + * overwritten. To preserve the ABI, we write these registers again in + * regs_buff. + */ + for (i = 0; i < 16; i++) + regs_buff[172 + i] = rd32(IGC_RAL(i)); + for (i = 0; i < 16; i++) + regs_buff[188 + i] = rd32(IGC_RAH(i)); + + regs_buff[204] = rd32(IGC_VLANPQF); + + for (i = 0; i < 8; i++) + regs_buff[205 + i] = rd32(IGC_ETQF(i)); + + regs_buff[213] = adapter->stats.tlpic; + regs_buff[214] = adapter->stats.rlpic; +} + +static void igc_ethtool_get_wol(struct net_device *netdev, + struct ethtool_wolinfo *wol) +{ + struct igc_adapter *adapter = netdev_priv(netdev); + + wol->wolopts = 0; + + if (!(adapter->flags & IGC_FLAG_WOL_SUPPORTED)) + return; + + wol->supported = WAKE_UCAST | WAKE_MCAST | + WAKE_BCAST | WAKE_MAGIC | + WAKE_PHY; + + /* apply any specific unsupported masks here */ + switch (adapter->hw.device_id) { + default: + break; + } + + if (adapter->wol & IGC_WUFC_EX) + wol->wolopts |= WAKE_UCAST; + if (adapter->wol & IGC_WUFC_MC) + wol->wolopts |= WAKE_MCAST; + if (adapter->wol & IGC_WUFC_BC) + wol->wolopts |= WAKE_BCAST; + if (adapter->wol & IGC_WUFC_MAG) + wol->wolopts |= WAKE_MAGIC; + if (adapter->wol & IGC_WUFC_LNKC) + wol->wolopts |= WAKE_PHY; +} + +static int igc_ethtool_set_wol(struct net_device *netdev, + struct ethtool_wolinfo *wol) +{ + struct igc_adapter *adapter = netdev_priv(netdev); + + if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE | WAKE_FILTER)) + return -EOPNOTSUPP; + + if (!(adapter->flags & IGC_FLAG_WOL_SUPPORTED)) + return wol->wolopts ? -EOPNOTSUPP : 0; + + /* these settings will always override what we currently have */ + adapter->wol = 0; + + if (wol->wolopts & WAKE_UCAST) + adapter->wol |= IGC_WUFC_EX; + if (wol->wolopts & WAKE_MCAST) + adapter->wol |= IGC_WUFC_MC; + if (wol->wolopts & WAKE_BCAST) + adapter->wol |= IGC_WUFC_BC; + if (wol->wolopts & WAKE_MAGIC) + adapter->wol |= IGC_WUFC_MAG; + if (wol->wolopts & WAKE_PHY) + adapter->wol |= IGC_WUFC_LNKC; + device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); + + return 0; +} + +static u32 igc_ethtool_get_msglevel(struct net_device *netdev) +{ + 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_irq(&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_irq(&ring->tx_syncp, start)); + do { + start = u64_stats_fetch_begin_irq(&ring->tx_syncp2); + restart2 = ring->tx_stats.restart_queue2; + } while (u64_stats_fetch_retry_irq(&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_irq(&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_irq(&ring->rx_syncp, start)); + i += IGC_RX_QUEUE_STATS_LEN; + } + spin_unlock(&adapter->stats64_lock); +} + +static int igc_ethtool_get_previous_rx_coalesce(struct igc_adapter *adapter) +{ + return (adapter->rx_itr_setting <= 3) ? + adapter->rx_itr_setting : adapter->rx_itr_setting >> 2; +} + +static int igc_ethtool_get_previous_tx_coalesce(struct igc_adapter *adapter) +{ + return (adapter->tx_itr_setting <= 3) ? + adapter->tx_itr_setting : adapter->tx_itr_setting >> 2; +} + +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); + + ec->rx_coalesce_usecs = igc_ethtool_get_previous_rx_coalesce(adapter); + ec->tx_coalesce_usecs = igc_ethtool_get_previous_tx_coalesce(adapter); + + 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 != igc_ethtool_get_previous_tx_coalesce(adapter)) { + NL_SET_ERR_MSG_MOD(extack, + "Queue Pair mode enabled, both Rx and Tx coalescing controlled by rx-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) +#define VLAN_TCI_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_ETYPE) { + fsp->flow_type |= FLOW_EXT; + fsp->h_ext.vlan_etype = rule->filter.vlan_etype; + fsp->m_ext.vlan_etype = 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(rule->filter.vlan_tci_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.vlan_tci_mask = ntohs(fsp->m_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)); + } + + /* The i225/i226 has various different filters. Flex filters provide a + * way to match up to the first 128 bytes of a packet. Use them for: + * a) For specific user data + * b) For VLAN EtherType + * c) For full TCI match + * d) Or in case multiple filter criteria are set + * + * Otherwise, use the simple MAC, VLAN PRIO or EtherType filters. + */ + if ((rule->filter.match_flags & IGC_FILTER_FLAG_USER_DATA) || + (rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_ETYPE) || + ((rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_TCI) && + rule->filter.vlan_tci_mask == ntohs(VLAN_TCI_FULL_MASK)) || + (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; + } + + /* There are two ways to match the VLAN TCI: + * 1. Match on PCP field and use vlan prio filter for it + * 2. Match on complete TCI field and use flex filter for it + */ + if ((fsp->flow_type & FLOW_EXT) && + fsp->m_ext.vlan_tci && + fsp->m_ext.vlan_tci != htons(VLAN_PRIO_MASK) && + fsp->m_ext.vlan_tci != VLAN_TCI_FULL_MASK) { + netdev_dbg(netdev, "VLAN mask not supported\n"); + return -EOPNOTSUPP; + } + + /* VLAN EtherType can only be matched by full mask. */ + if ((fsp->flow_type & FLOW_EXT) && + fsp->m_ext.vlan_etype && + fsp->m_ext.vlan_etype != ETHER_TYPE_FULL_MASK) { + netdev_dbg(netdev, "VLAN EtherType mask not supported\n"); + return -EOPNOTSUPP; + } + + 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; + ethtool_link_ksettings_add_link_mode(cmd, supported, TP); + ethtool_link_ksettings_add_link_mode(cmd, advertising, TP); + + /* 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; + u16 advertised = 0; + + /* 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); + + if (ethtool_link_ksettings_test_link_mode(cmd, advertising, + 2500baseT_Full)) + advertised |= ADVERTISE_2500_FULL; + + if (ethtool_link_ksettings_test_link_mode(cmd, advertising, + 1000baseT_Full)) + advertised |= ADVERTISE_1000_FULL; + + if (ethtool_link_ksettings_test_link_mode(cmd, advertising, + 100baseT_Full)) + advertised |= ADVERTISE_100_FULL; + + if (ethtool_link_ksettings_test_link_mode(cmd, advertising, + 100baseT_Half)) + advertised |= ADVERTISE_100_HALF; + + if (ethtool_link_ksettings_test_link_mode(cmd, advertising, + 10baseT_Full)) + advertised |= ADVERTISE_10_FULL; + + if (ethtool_link_ksettings_test_link_mode(cmd, advertising, + 10baseT_Half)) + advertised |= ADVERTISE_10_HALF; + + if (cmd->base.autoneg == AUTONEG_ENABLE) { + hw->mac.autoneg = 1; + hw->phy.autoneg_advertised = advertised; + 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; +} |