--- /dev/null
+/*******************************************************************************
+ *
+ * Intel Ethernet Controller XL710 Family Linux Driver
+ * Copyright(c) 2013 - 2015 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * The full GNU General Public License is included in this distribution in
+ * the file called "COPYING".
+ *
+ * Contact Information:
+ * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ ******************************************************************************/
+
+/* ethtool support for i40e */
+
+#include "i40e.h"
+#include "i40e_diag.h"
+
+struct i40e_stats {
+ char stat_string[ETH_GSTRING_LEN];
+ int sizeof_stat;
+ int stat_offset;
+};
+
+#define I40E_STAT(_type, _name, _stat) { \
+ .stat_string = _name, \
+ .sizeof_stat = FIELD_SIZEOF(_type, _stat), \
+ .stat_offset = offsetof(_type, _stat) \
+}
+
+#define I40E_NETDEV_STAT(_net_stat) \
+ I40E_STAT(struct rtnl_link_stats64, #_net_stat, _net_stat)
+#define I40E_PF_STAT(_name, _stat) \
+ I40E_STAT(struct i40e_pf, _name, _stat)
+#define I40E_VSI_STAT(_name, _stat) \
+ I40E_STAT(struct i40e_vsi, _name, _stat)
+#define I40E_VEB_STAT(_name, _stat) \
+ I40E_STAT(struct i40e_veb, _name, _stat)
+
+static const struct i40e_stats i40e_gstrings_net_stats[] = {
+ I40E_NETDEV_STAT(rx_packets),
+ I40E_NETDEV_STAT(tx_packets),
+ I40E_NETDEV_STAT(rx_bytes),
+ I40E_NETDEV_STAT(tx_bytes),
+ I40E_NETDEV_STAT(rx_errors),
+ I40E_NETDEV_STAT(tx_errors),
+ I40E_NETDEV_STAT(rx_dropped),
+ I40E_NETDEV_STAT(tx_dropped),
+ I40E_NETDEV_STAT(collisions),
+ I40E_NETDEV_STAT(rx_length_errors),
+ I40E_NETDEV_STAT(rx_crc_errors),
+};
+
+static const struct i40e_stats i40e_gstrings_veb_stats[] = {
+ I40E_VEB_STAT("rx_bytes", stats.rx_bytes),
+ I40E_VEB_STAT("tx_bytes", stats.tx_bytes),
+ I40E_VEB_STAT("rx_unicast", stats.rx_unicast),
+ I40E_VEB_STAT("tx_unicast", stats.tx_unicast),
+ I40E_VEB_STAT("rx_multicast", stats.rx_multicast),
+ I40E_VEB_STAT("tx_multicast", stats.tx_multicast),
+ I40E_VEB_STAT("rx_broadcast", stats.rx_broadcast),
+ I40E_VEB_STAT("tx_broadcast", stats.tx_broadcast),
+ I40E_VEB_STAT("rx_discards", stats.rx_discards),
+ I40E_VEB_STAT("tx_discards", stats.tx_discards),
+ I40E_VEB_STAT("tx_errors", stats.tx_errors),
+ I40E_VEB_STAT("rx_unknown_protocol", stats.rx_unknown_protocol),
+};
+
+static const struct i40e_stats i40e_gstrings_misc_stats[] = {
+ I40E_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
+ I40E_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
+ I40E_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
+ I40E_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
+ I40E_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
+ I40E_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
+ I40E_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
+};
+
+static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
+ struct ethtool_rxnfc *cmd);
+
+/* These PF_STATs might look like duplicates of some NETDEV_STATs,
+ * but they are separate. This device supports Virtualization, and
+ * as such might have several netdevs supporting VMDq and FCoE going
+ * through a single port. The NETDEV_STATs are for individual netdevs
+ * seen at the top of the stack, and the PF_STATs are for the physical
+ * function at the bottom of the stack hosting those netdevs.
+ *
+ * The PF_STATs are appended to the netdev stats only when ethtool -S
+ * is queried on the base PF netdev, not on the VMDq or FCoE netdev.
+ */
+static struct i40e_stats i40e_gstrings_stats[] = {
+ I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes),
+ I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes),
+ I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast),
+ I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast),
+ I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast),
+ I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast),
+ I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast),
+ I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast),
+ I40E_PF_STAT("tx_errors", stats.eth.tx_errors),
+ I40E_PF_STAT("rx_dropped", stats.eth.rx_discards),
+ I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down),
+ I40E_PF_STAT("crc_errors", stats.crc_errors),
+ I40E_PF_STAT("illegal_bytes", stats.illegal_bytes),
+ I40E_PF_STAT("mac_local_faults", stats.mac_local_faults),
+ I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults),
+ I40E_PF_STAT("tx_timeout", tx_timeout_count),
+ I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error),
+ I40E_PF_STAT("rx_length_errors", stats.rx_length_errors),
+ I40E_PF_STAT("link_xon_rx", stats.link_xon_rx),
+ I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx),
+ I40E_PF_STAT("link_xon_tx", stats.link_xon_tx),
+ I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx),
+ I40E_PF_STAT("rx_size_64", stats.rx_size_64),
+ I40E_PF_STAT("rx_size_127", stats.rx_size_127),
+ I40E_PF_STAT("rx_size_255", stats.rx_size_255),
+ I40E_PF_STAT("rx_size_511", stats.rx_size_511),
+ I40E_PF_STAT("rx_size_1023", stats.rx_size_1023),
+ I40E_PF_STAT("rx_size_1522", stats.rx_size_1522),
+ I40E_PF_STAT("rx_size_big", stats.rx_size_big),
+ I40E_PF_STAT("tx_size_64", stats.tx_size_64),
+ I40E_PF_STAT("tx_size_127", stats.tx_size_127),
+ I40E_PF_STAT("tx_size_255", stats.tx_size_255),
+ I40E_PF_STAT("tx_size_511", stats.tx_size_511),
+ I40E_PF_STAT("tx_size_1023", stats.tx_size_1023),
+ I40E_PF_STAT("tx_size_1522", stats.tx_size_1522),
+ I40E_PF_STAT("tx_size_big", stats.tx_size_big),
+ I40E_PF_STAT("rx_undersize", stats.rx_undersize),
+ I40E_PF_STAT("rx_fragments", stats.rx_fragments),
+ I40E_PF_STAT("rx_oversize", stats.rx_oversize),
+ I40E_PF_STAT("rx_jabber", stats.rx_jabber),
+ I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
+ I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
+ I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt),
+ I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match),
+ I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match),
+
+ /* LPI stats */
+ I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status),
+ I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status),
+ I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count),
+ I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count),
+};
+
+#ifdef I40E_FCOE
+static const struct i40e_stats i40e_gstrings_fcoe_stats[] = {
+ I40E_VSI_STAT("fcoe_bad_fccrc", fcoe_stats.fcoe_bad_fccrc),
+ I40E_VSI_STAT("rx_fcoe_dropped", fcoe_stats.rx_fcoe_dropped),
+ I40E_VSI_STAT("rx_fcoe_packets", fcoe_stats.rx_fcoe_packets),
+ I40E_VSI_STAT("rx_fcoe_dwords", fcoe_stats.rx_fcoe_dwords),
+ I40E_VSI_STAT("fcoe_ddp_count", fcoe_stats.fcoe_ddp_count),
+ I40E_VSI_STAT("fcoe_last_error", fcoe_stats.fcoe_last_error),
+ I40E_VSI_STAT("tx_fcoe_packets", fcoe_stats.tx_fcoe_packets),
+ I40E_VSI_STAT("tx_fcoe_dwords", fcoe_stats.tx_fcoe_dwords),
+};
+
+#endif /* I40E_FCOE */
+#define I40E_QUEUE_STATS_LEN(n) \
+ (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \
+ * 2 /* Tx and Rx together */ \
+ * (sizeof(struct i40e_queue_stats) / sizeof(u64)))
+#define I40E_GLOBAL_STATS_LEN ARRAY_SIZE(i40e_gstrings_stats)
+#define I40E_NETDEV_STATS_LEN ARRAY_SIZE(i40e_gstrings_net_stats)
+#define I40E_MISC_STATS_LEN ARRAY_SIZE(i40e_gstrings_misc_stats)
+#ifdef I40E_FCOE
+#define I40E_FCOE_STATS_LEN ARRAY_SIZE(i40e_gstrings_fcoe_stats)
+#define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \
+ I40E_FCOE_STATS_LEN + \
+ I40E_MISC_STATS_LEN + \
+ I40E_QUEUE_STATS_LEN((n)))
+#else
+#define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \
+ I40E_MISC_STATS_LEN + \
+ I40E_QUEUE_STATS_LEN((n)))
+#endif /* I40E_FCOE */
+#define I40E_PFC_STATS_LEN ( \
+ (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \
+ FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \
+ FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \
+ FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \
+ FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \
+ / sizeof(u64))
+#define I40E_VEB_STATS_LEN ARRAY_SIZE(i40e_gstrings_veb_stats)
+#define I40E_PF_STATS_LEN(n) (I40E_GLOBAL_STATS_LEN + \
+ I40E_PFC_STATS_LEN + \
+ I40E_VSI_STATS_LEN((n)))
+
+enum i40e_ethtool_test_id {
+ I40E_ETH_TEST_REG = 0,
+ I40E_ETH_TEST_EEPROM,
+ I40E_ETH_TEST_INTR,
+ I40E_ETH_TEST_LOOPBACK,
+ I40E_ETH_TEST_LINK,
+};
+
+static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
+ "Register test (offline)",
+ "Eeprom test (offline)",
+ "Interrupt test (offline)",
+ "Loopback test (offline)",
+ "Link test (on/offline)"
+};
+
+#define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)
+
+static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = {
+ "NPAR",
+};
+
+#define I40E_PRIV_FLAGS_STR_LEN \
+ (sizeof(i40e_priv_flags_strings) / ETH_GSTRING_LEN)
+
+/**
+ * i40e_partition_setting_complaint - generic complaint for MFP restriction
+ * @pf: the PF struct
+ **/
+static void i40e_partition_setting_complaint(struct i40e_pf *pf)
+{
+ dev_info(&pf->pdev->dev,
+ "The link settings are allowed to be changed only from the first partition of a given port. Please switch to the first partition in order to change the setting.\n");
+}
+
+/**
+ * i40e_get_settings_link_up - Get the Link settings for when link is up
+ * @hw: hw structure
+ * @ecmd: ethtool command to fill in
+ * @netdev: network interface device structure
+ *
+ **/
+static void i40e_get_settings_link_up(struct i40e_hw *hw,
+ struct ethtool_cmd *ecmd,
+ struct net_device *netdev)
+{
+ struct i40e_link_status *hw_link_info = &hw->phy.link_info;
+ u32 link_speed = hw_link_info->link_speed;
+
+ /* Initialize supported and advertised settings based on phy settings */
+ switch (hw_link_info->phy_type) {
+ case I40E_PHY_TYPE_40GBASE_CR4:
+ case I40E_PHY_TYPE_40GBASE_CR4_CU:
+ ecmd->supported = SUPPORTED_Autoneg |
+ SUPPORTED_40000baseCR4_Full;
+ ecmd->advertising = ADVERTISED_Autoneg |
+ ADVERTISED_40000baseCR4_Full;
+ break;
+ case I40E_PHY_TYPE_XLAUI:
+ case I40E_PHY_TYPE_XLPPI:
+ case I40E_PHY_TYPE_40GBASE_AOC:
+ ecmd->supported = SUPPORTED_40000baseCR4_Full;
+ break;
+ case I40E_PHY_TYPE_40GBASE_KR4:
+ ecmd->supported = SUPPORTED_Autoneg |
+ SUPPORTED_40000baseKR4_Full;
+ ecmd->advertising = ADVERTISED_Autoneg |
+ ADVERTISED_40000baseKR4_Full;
+ break;
+ case I40E_PHY_TYPE_40GBASE_SR4:
+ ecmd->supported = SUPPORTED_40000baseSR4_Full;
+ break;
+ case I40E_PHY_TYPE_40GBASE_LR4:
+ ecmd->supported = SUPPORTED_40000baseLR4_Full;
+ break;
+ case I40E_PHY_TYPE_20GBASE_KR2:
+ ecmd->supported = SUPPORTED_Autoneg |
+ SUPPORTED_20000baseKR2_Full;
+ ecmd->advertising = ADVERTISED_Autoneg |
+ ADVERTISED_20000baseKR2_Full;
+ break;
+ case I40E_PHY_TYPE_10GBASE_KX4:
+ ecmd->supported = SUPPORTED_Autoneg |
+ SUPPORTED_10000baseKX4_Full;
+ ecmd->advertising = ADVERTISED_Autoneg |
+ ADVERTISED_10000baseKX4_Full;
+ break;
+ case I40E_PHY_TYPE_10GBASE_KR:
+ ecmd->supported = SUPPORTED_Autoneg |
+ SUPPORTED_10000baseKR_Full;
+ ecmd->advertising = ADVERTISED_Autoneg |
+ ADVERTISED_10000baseKR_Full;
+ break;
+ case I40E_PHY_TYPE_10GBASE_SR:
+ case I40E_PHY_TYPE_10GBASE_LR:
+ case I40E_PHY_TYPE_1000BASE_SX:
+ case I40E_PHY_TYPE_1000BASE_LX:
+ ecmd->supported = SUPPORTED_10000baseT_Full |
+ SUPPORTED_1000baseT_Full;
+ if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
+ ecmd->advertising |= ADVERTISED_10000baseT_Full;
+ if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
+ ecmd->advertising |= ADVERTISED_1000baseT_Full;
+ break;
+ case I40E_PHY_TYPE_1000BASE_KX:
+ ecmd->supported = SUPPORTED_Autoneg |
+ SUPPORTED_1000baseKX_Full;
+ ecmd->advertising = ADVERTISED_Autoneg |
+ ADVERTISED_1000baseKX_Full;
+ break;
+ case I40E_PHY_TYPE_10GBASE_T:
+ case I40E_PHY_TYPE_1000BASE_T:
+ case I40E_PHY_TYPE_100BASE_TX:
+ ecmd->supported = SUPPORTED_Autoneg |
+ SUPPORTED_10000baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_100baseT_Full;
+ ecmd->advertising = ADVERTISED_Autoneg;
+ if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
+ ecmd->advertising |= ADVERTISED_10000baseT_Full;
+ if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
+ ecmd->advertising |= ADVERTISED_1000baseT_Full;
+ if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
+ ecmd->advertising |= ADVERTISED_100baseT_Full;
+ break;
+ case I40E_PHY_TYPE_10GBASE_CR1_CU:
+ case I40E_PHY_TYPE_10GBASE_CR1:
+ ecmd->supported = SUPPORTED_Autoneg |
+ SUPPORTED_10000baseT_Full;
+ ecmd->advertising = ADVERTISED_Autoneg |
+ ADVERTISED_10000baseT_Full;
+ break;
+ case I40E_PHY_TYPE_XAUI:
+ case I40E_PHY_TYPE_XFI:
+ case I40E_PHY_TYPE_SFI:
+ case I40E_PHY_TYPE_10GBASE_SFPP_CU:
+ case I40E_PHY_TYPE_10GBASE_AOC:
+ ecmd->supported = SUPPORTED_10000baseT_Full;
+ break;
+ case I40E_PHY_TYPE_SGMII:
+ ecmd->supported = SUPPORTED_Autoneg |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_100baseT_Full;
+ if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
+ ecmd->advertising |= ADVERTISED_1000baseT_Full;
+ if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
+ ecmd->advertising |= ADVERTISED_100baseT_Full;
+ break;
+ default:
+ /* if we got here and link is up something bad is afoot */
+ netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n",
+ hw_link_info->phy_type);
+ }
+
+ /* Set speed and duplex */
+ switch (link_speed) {
+ case I40E_LINK_SPEED_40GB:
+ ethtool_cmd_speed_set(ecmd, SPEED_40000);
+ break;
+ case I40E_LINK_SPEED_20GB:
+ ethtool_cmd_speed_set(ecmd, SPEED_20000);
+ break;
+ case I40E_LINK_SPEED_10GB:
+ ethtool_cmd_speed_set(ecmd, SPEED_10000);
+ break;
+ case I40E_LINK_SPEED_1GB:
+ ethtool_cmd_speed_set(ecmd, SPEED_1000);
+ break;
+ case I40E_LINK_SPEED_100MB:
+ ethtool_cmd_speed_set(ecmd, SPEED_100);
+ break;
+ default:
+ break;
+ }
+ ecmd->duplex = DUPLEX_FULL;
+}
+
+/**
+ * i40e_get_settings_link_down - Get the Link settings for when link is down
+ * @hw: hw structure
+ * @ecmd: ethtool command to fill in
+ *
+ * Reports link settings that can be determined when link is down
+ **/
+static void i40e_get_settings_link_down(struct i40e_hw *hw,
+ struct ethtool_cmd *ecmd)
+{
+ struct i40e_link_status *hw_link_info = &hw->phy.link_info;
+
+ /* link is down and the driver needs to fall back on
+ * device ID to determine what kinds of info to display,
+ * it's mostly a guess that may change when link is up
+ */
+ switch (hw->device_id) {
+ case I40E_DEV_ID_QSFP_A:
+ case I40E_DEV_ID_QSFP_B:
+ case I40E_DEV_ID_QSFP_C:
+ /* pluggable QSFP */
+ ecmd->supported = SUPPORTED_40000baseSR4_Full |
+ SUPPORTED_40000baseCR4_Full |
+ SUPPORTED_40000baseLR4_Full;
+ ecmd->advertising = ADVERTISED_40000baseSR4_Full |
+ ADVERTISED_40000baseCR4_Full |
+ ADVERTISED_40000baseLR4_Full;
+ break;
+ case I40E_DEV_ID_KX_B:
+ /* backplane 40G */
+ ecmd->supported = SUPPORTED_40000baseKR4_Full;
+ ecmd->advertising = ADVERTISED_40000baseKR4_Full;
+ break;
+ case I40E_DEV_ID_KX_C:
+ /* backplane 10G */
+ ecmd->supported = SUPPORTED_10000baseKR_Full;
+ ecmd->advertising = ADVERTISED_10000baseKR_Full;
+ break;
+ case I40E_DEV_ID_10G_BASE_T:
+ ecmd->supported = SUPPORTED_10000baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_100baseT_Full;
+ /* Figure out what has been requested */
+ if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
+ ecmd->advertising |= ADVERTISED_10000baseT_Full;
+ if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
+ ecmd->advertising |= ADVERTISED_1000baseT_Full;
+ if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
+ ecmd->advertising |= ADVERTISED_100baseT_Full;
+ break;
+ case I40E_DEV_ID_20G_KR2:
+ /* backplane 20G */
+ ecmd->supported = SUPPORTED_20000baseKR2_Full;
+ ecmd->advertising = ADVERTISED_20000baseKR2_Full;
+ break;
+ default:
+ /* all the rest are 10G/1G */
+ ecmd->supported = SUPPORTED_10000baseT_Full |
+ SUPPORTED_1000baseT_Full;
+ /* Figure out what has been requested */
+ if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
+ ecmd->advertising |= ADVERTISED_10000baseT_Full;
+ if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
+ ecmd->advertising |= ADVERTISED_1000baseT_Full;
+ break;
+ }
+
+ /* With no link speed and duplex are unknown */
+ ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
+ ecmd->duplex = DUPLEX_UNKNOWN;
+}
+
+/**
+ * i40e_get_settings - Get Link Speed and Duplex settings
+ * @netdev: network interface device structure
+ * @ecmd: ethtool command
+ *
+ * Reports speed/duplex settings based on media_type
+ **/
+static int i40e_get_settings(struct net_device *netdev,
+ struct ethtool_cmd *ecmd)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_pf *pf = np->vsi->back;
+ struct i40e_hw *hw = &pf->hw;
+ struct i40e_link_status *hw_link_info = &hw->phy.link_info;
+ bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
+
+ if (link_up)
+ i40e_get_settings_link_up(hw, ecmd, netdev);
+ else
+ i40e_get_settings_link_down(hw, ecmd);
+
+ /* Now set the settings that don't rely on link being up/down */
+
+ /* Set autoneg settings */
+ ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
+ AUTONEG_ENABLE : AUTONEG_DISABLE);
+
+ switch (hw->phy.media_type) {
+ case I40E_MEDIA_TYPE_BACKPLANE:
+ ecmd->supported |= SUPPORTED_Autoneg |
+ SUPPORTED_Backplane;
+ ecmd->advertising |= ADVERTISED_Autoneg |
+ ADVERTISED_Backplane;
+ ecmd->port = PORT_NONE;
+ break;
+ case I40E_MEDIA_TYPE_BASET:
+ ecmd->supported |= SUPPORTED_TP;
+ ecmd->advertising |= ADVERTISED_TP;
+ ecmd->port = PORT_TP;
+ break;
+ case I40E_MEDIA_TYPE_DA:
+ case I40E_MEDIA_TYPE_CX4:
+ ecmd->supported |= SUPPORTED_FIBRE;
+ ecmd->advertising |= ADVERTISED_FIBRE;
+ ecmd->port = PORT_DA;
+ break;
+ case I40E_MEDIA_TYPE_FIBER:
+ ecmd->supported |= SUPPORTED_FIBRE;
+ ecmd->port = PORT_FIBRE;
+ break;
+ case I40E_MEDIA_TYPE_UNKNOWN:
+ default:
+ ecmd->port = PORT_OTHER;
+ break;
+ }
+
+ /* Set transceiver */
+ ecmd->transceiver = XCVR_EXTERNAL;
+
+ /* Set flow control settings */
+ ecmd->supported |= SUPPORTED_Pause;
+
+ switch (hw->fc.requested_mode) {
+ case I40E_FC_FULL:
+ ecmd->advertising |= ADVERTISED_Pause;
+ break;
+ case I40E_FC_TX_PAUSE:
+ ecmd->advertising |= ADVERTISED_Asym_Pause;
+ break;
+ case I40E_FC_RX_PAUSE:
+ ecmd->advertising |= (ADVERTISED_Pause |
+ ADVERTISED_Asym_Pause);
+ break;
+ default:
+ ecmd->advertising &= ~(ADVERTISED_Pause |
+ ADVERTISED_Asym_Pause);
+ break;
+ }
+
+ return 0;
+}
+
+/**
+ * i40e_set_settings - Set Speed and Duplex
+ * @netdev: network interface device structure
+ * @ecmd: ethtool command
+ *
+ * Set speed/duplex per media_types advertised/forced
+ **/
+static int i40e_set_settings(struct net_device *netdev,
+ struct ethtool_cmd *ecmd)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_aq_get_phy_abilities_resp abilities;
+ struct i40e_aq_set_phy_config config;
+ struct i40e_pf *pf = np->vsi->back;
+ struct i40e_vsi *vsi = np->vsi;
+ struct i40e_hw *hw = &pf->hw;
+ struct ethtool_cmd safe_ecmd;
+ i40e_status status = 0;
+ bool change = false;
+ int err = 0;
+ u8 autoneg;
+ u32 advertise;
+
+ /* Changing port settings is not supported if this isn't the
+ * port's controlling PF
+ */
+ if (hw->partition_id != 1) {
+ i40e_partition_setting_complaint(pf);
+ return -EOPNOTSUPP;
+ }
+
+ if (vsi != pf->vsi[pf->lan_vsi])
+ return -EOPNOTSUPP;
+
+ if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
+ hw->phy.media_type != I40E_MEDIA_TYPE_FIBER &&
+ hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE &&
+ hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
+ return -EOPNOTSUPP;
+
+ /* get our own copy of the bits to check against */
+ memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd));
+ i40e_get_settings(netdev, &safe_ecmd);
+
+ /* save autoneg and speed out of ecmd */
+ autoneg = ecmd->autoneg;
+ advertise = ecmd->advertising;
+
+ /* set autoneg and speed back to what they currently are */
+ ecmd->autoneg = safe_ecmd.autoneg;
+ ecmd->advertising = safe_ecmd.advertising;
+
+ ecmd->cmd = safe_ecmd.cmd;
+ /* If ecmd and safe_ecmd are not the same now, then they are
+ * trying to set something that we do not support
+ */
+ if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd)))
+ return -EOPNOTSUPP;
+
+ while (test_bit(__I40E_CONFIG_BUSY, &vsi->state))
+ usleep_range(1000, 2000);
+
+ /* Get the current phy config */
+ status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
+ NULL);
+ if (status)
+ return -EAGAIN;
+
+ /* Copy abilities to config in case autoneg is not
+ * set below
+ */
+ memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
+ config.abilities = abilities.abilities;
+
+ /* Check autoneg */
+ if (autoneg == AUTONEG_ENABLE) {
+ /* If autoneg is not supported, return error */
+ if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) {
+ netdev_info(netdev, "Autoneg not supported on this phy\n");
+ return -EINVAL;
+ }
+ /* If autoneg was not already enabled */
+ if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) {
+ config.abilities = abilities.abilities |
+ I40E_AQ_PHY_ENABLE_AN;
+ change = true;
+ }
+ } else {
+ /* If autoneg is supported 10GBASE_T is the only phy that
+ * can disable it, so otherwise return error
+ */
+ if (safe_ecmd.supported & SUPPORTED_Autoneg &&
+ hw->phy.link_info.phy_type != I40E_PHY_TYPE_10GBASE_T) {
+ netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
+ return -EINVAL;
+ }
+ /* If autoneg is currently enabled */
+ if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) {
+ config.abilities = abilities.abilities &
+ ~I40E_AQ_PHY_ENABLE_AN;
+ change = true;
+ }
+ }
+
+ if (advertise & ~safe_ecmd.supported)
+ return -EINVAL;
+
+ if (advertise & ADVERTISED_100baseT_Full)
+ config.link_speed |= I40E_LINK_SPEED_100MB;
+ if (advertise & ADVERTISED_1000baseT_Full ||
+ advertise & ADVERTISED_1000baseKX_Full)
+ config.link_speed |= I40E_LINK_SPEED_1GB;
+ if (advertise & ADVERTISED_10000baseT_Full ||
+ advertise & ADVERTISED_10000baseKX4_Full ||
+ advertise & ADVERTISED_10000baseKR_Full)
+ config.link_speed |= I40E_LINK_SPEED_10GB;
+ if (advertise & ADVERTISED_20000baseKR2_Full)
+ config.link_speed |= I40E_LINK_SPEED_20GB;
+ if (advertise & ADVERTISED_40000baseKR4_Full ||
+ advertise & ADVERTISED_40000baseCR4_Full ||
+ advertise & ADVERTISED_40000baseSR4_Full ||
+ advertise & ADVERTISED_40000baseLR4_Full)
+ config.link_speed |= I40E_LINK_SPEED_40GB;
+
+ if (change || (abilities.link_speed != config.link_speed)) {
+ /* copy over the rest of the abilities */
+ config.phy_type = abilities.phy_type;
+ config.eee_capability = abilities.eee_capability;
+ config.eeer = abilities.eeer_val;
+ config.low_power_ctrl = abilities.d3_lpan;
+
+ /* save the requested speeds */
+ hw->phy.link_info.requested_speeds = config.link_speed;
+ /* set link and auto negotiation so changes take effect */
+ config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
+ /* If link is up put link down */
+ if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) {
+ /* Tell the OS link is going down, the link will go
+ * back up when fw says it is ready asynchronously
+ */
+ netdev_info(netdev, "PHY settings change requested, NIC Link is going down.\n");
+ netif_carrier_off(netdev);
+ netif_tx_stop_all_queues(netdev);
+ }
+
+ /* make the aq call */
+ status = i40e_aq_set_phy_config(hw, &config, NULL);
+ if (status) {
+ netdev_info(netdev, "Set phy config failed with error %d.\n",
+ status);
+ return -EAGAIN;
+ }
+
+ status = i40e_aq_get_link_info(hw, true, NULL, NULL);
+ if (status)
+ netdev_info(netdev, "Updating link info failed with error %d\n",
+ status);
+
+ } else {
+ netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
+ }
+
+ return err;
+}
+
+static int i40e_nway_reset(struct net_device *netdev)
+{
+ /* restart autonegotiation */
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_pf *pf = np->vsi->back;
+ struct i40e_hw *hw = &pf->hw;
+ bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
+ i40e_status ret = 0;
+
+ ret = i40e_aq_set_link_restart_an(hw, link_up, NULL);
+ if (ret) {
+ netdev_info(netdev, "link restart failed, aq_err=%d\n",
+ pf->hw.aq.asq_last_status);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+/**
+ * i40e_get_pauseparam - Get Flow Control status
+ * Return tx/rx-pause status
+ **/
+static void i40e_get_pauseparam(struct net_device *netdev,
+ struct ethtool_pauseparam *pause)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_pf *pf = np->vsi->back;
+ struct i40e_hw *hw = &pf->hw;
+ struct i40e_link_status *hw_link_info = &hw->phy.link_info;
+ struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
+
+ pause->autoneg =
+ ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
+ AUTONEG_ENABLE : AUTONEG_DISABLE);
+
+ /* PFC enabled so report LFC as off */
+ if (dcbx_cfg->pfc.pfcenable) {
+ pause->rx_pause = 0;
+ pause->tx_pause = 0;
+ return;
+ }
+
+ if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
+ pause->rx_pause = 1;
+ } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
+ pause->tx_pause = 1;
+ } else if (hw->fc.current_mode == I40E_FC_FULL) {
+ pause->rx_pause = 1;
+ pause->tx_pause = 1;
+ }
+}
+
+/**
+ * i40e_set_pauseparam - Set Flow Control parameter
+ * @netdev: network interface device structure
+ * @pause: return tx/rx flow control status
+ **/
+static int i40e_set_pauseparam(struct net_device *netdev,
+ struct ethtool_pauseparam *pause)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_pf *pf = np->vsi->back;
+ struct i40e_vsi *vsi = np->vsi;
+ struct i40e_hw *hw = &pf->hw;
+ struct i40e_link_status *hw_link_info = &hw->phy.link_info;
+ struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
+ bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
+ i40e_status status;
+ u8 aq_failures;
+ int err = 0;
+
+ /* Changing the port's flow control is not supported if this isn't the
+ * port's controlling PF
+ */
+ if (hw->partition_id != 1) {
+ i40e_partition_setting_complaint(pf);
+ return -EOPNOTSUPP;
+ }
+
+ if (vsi != pf->vsi[pf->lan_vsi])
+ return -EOPNOTSUPP;
+
+ if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
+ AUTONEG_ENABLE : AUTONEG_DISABLE)) {
+ netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
+ return -EOPNOTSUPP;
+ }
+
+ /* If we have link and don't have autoneg */
+ if (!test_bit(__I40E_DOWN, &pf->state) &&
+ !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) {
+ /* Send message that it might not necessarily work*/
+ netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
+ }
+
+ if (dcbx_cfg->pfc.pfcenable) {
+ netdev_info(netdev,
+ "Priority flow control enabled. Cannot set link flow control.\n");
+ return -EOPNOTSUPP;
+ }
+
+ if (pause->rx_pause && pause->tx_pause)
+ hw->fc.requested_mode = I40E_FC_FULL;
+ else if (pause->rx_pause && !pause->tx_pause)
+ hw->fc.requested_mode = I40E_FC_RX_PAUSE;
+ else if (!pause->rx_pause && pause->tx_pause)
+ hw->fc.requested_mode = I40E_FC_TX_PAUSE;
+ else if (!pause->rx_pause && !pause->tx_pause)
+ hw->fc.requested_mode = I40E_FC_NONE;
+ else
+ return -EINVAL;
+
+ /* Tell the OS link is going down, the link will go back up when fw
+ * says it is ready asynchronously
+ */
+ netdev_info(netdev, "Flow control settings change requested, NIC Link is going down.\n");
+ netif_carrier_off(netdev);
+ netif_tx_stop_all_queues(netdev);
+
+ /* Set the fc mode and only restart an if link is up*/
+ status = i40e_set_fc(hw, &aq_failures, link_up);
+
+ if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) {
+ netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with error %d and status %d\n",
+ status, hw->aq.asq_last_status);
+ err = -EAGAIN;
+ }
+ if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) {
+ netdev_info(netdev, "Set fc failed on the set_phy_config call with error %d and status %d\n",
+ status, hw->aq.asq_last_status);
+ err = -EAGAIN;
+ }
+ if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) {
+ netdev_info(netdev, "Set fc failed on the get_link_info call with error %d and status %d\n",
+ status, hw->aq.asq_last_status);
+ err = -EAGAIN;
+ }
+
+ if (!test_bit(__I40E_DOWN, &pf->state)) {
+ /* Give it a little more time to try to come back */
+ msleep(75);
+ if (!test_bit(__I40E_DOWN, &pf->state))
+ return i40e_nway_reset(netdev);
+ }
+
+ return err;
+}
+
+static u32 i40e_get_msglevel(struct net_device *netdev)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_pf *pf = np->vsi->back;
+
+ return pf->msg_enable;
+}
+
+static void i40e_set_msglevel(struct net_device *netdev, u32 data)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_pf *pf = np->vsi->back;
+
+ if (I40E_DEBUG_USER & data)
+ pf->hw.debug_mask = data;
+ pf->msg_enable = data;
+}
+
+static int i40e_get_regs_len(struct net_device *netdev)
+{
+ int reg_count = 0;
+ int i;
+
+ for (i = 0; i40e_reg_list[i].offset != 0; i++)
+ reg_count += i40e_reg_list[i].elements;
+
+ return reg_count * sizeof(u32);
+}
+
+static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
+ void *p)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_pf *pf = np->vsi->back;
+ struct i40e_hw *hw = &pf->hw;
+ u32 *reg_buf = p;
+ int i, j, ri;
+ u32 reg;
+
+ /* Tell ethtool which driver-version-specific regs output we have.
+ *
+ * At some point, if we have ethtool doing special formatting of
+ * this data, it will rely on this version number to know how to
+ * interpret things. Hence, this needs to be updated if/when the
+ * diags register table is changed.
+ */
+ regs->version = 1;
+
+ /* loop through the diags reg table for what to print */
+ ri = 0;
+ for (i = 0; i40e_reg_list[i].offset != 0; i++) {
+ for (j = 0; j < i40e_reg_list[i].elements; j++) {
+ reg = i40e_reg_list[i].offset
+ + (j * i40e_reg_list[i].stride);
+ reg_buf[ri++] = rd32(hw, reg);
+ }
+ }
+
+}
+
+static int i40e_get_eeprom(struct net_device *netdev,
+ struct ethtool_eeprom *eeprom, u8 *bytes)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_hw *hw = &np->vsi->back->hw;
+ struct i40e_pf *pf = np->vsi->back;
+ int ret_val = 0, len, offset;
+ u8 *eeprom_buff;
+ u16 i, sectors;
+ bool last;
+ u32 magic;
+
+#define I40E_NVM_SECTOR_SIZE 4096
+ if (eeprom->len == 0)
+ return -EINVAL;
+
+ /* check for NVMUpdate access method */
+ magic = hw->vendor_id | (hw->device_id << 16);
+ if (eeprom->magic && eeprom->magic != magic) {
+ struct i40e_nvm_access *cmd;
+ int errno;
+
+ /* make sure it is the right magic for NVMUpdate */
+ if ((eeprom->magic >> 16) != hw->device_id)
+ return -EINVAL;
+
+ cmd = (struct i40e_nvm_access *)eeprom;
+ ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
+ if (ret_val &&
+ ((hw->aq.asq_last_status != I40E_AQ_RC_EACCES) ||
+ (hw->debug_mask & I40E_DEBUG_NVM)))
+ dev_info(&pf->pdev->dev,
+ "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
+ ret_val, hw->aq.asq_last_status, errno,
+ (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
+ cmd->offset, cmd->data_size);
+
+ return errno;
+ }
+
+ /* normal ethtool get_eeprom support */
+ eeprom->magic = hw->vendor_id | (hw->device_id << 16);
+
+ eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
+ if (!eeprom_buff)
+ return -ENOMEM;
+
+ ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
+ if (ret_val) {
+ dev_info(&pf->pdev->dev,
+ "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
+ ret_val, hw->aq.asq_last_status);
+ goto free_buff;
+ }
+
+ sectors = eeprom->len / I40E_NVM_SECTOR_SIZE;
+ sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0;
+ len = I40E_NVM_SECTOR_SIZE;
+ last = false;
+ for (i = 0; i < sectors; i++) {
+ if (i == (sectors - 1)) {
+ len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i);
+ last = true;
+ }
+ offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
+ ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len,
+ (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
+ last, NULL);
+ if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
+ dev_info(&pf->pdev->dev,
+ "read NVM failed, invalid offset 0x%x\n",
+ offset);
+ break;
+ } else if (ret_val &&
+ hw->aq.asq_last_status == I40E_AQ_RC_EACCES) {
+ dev_info(&pf->pdev->dev,
+ "read NVM failed, access, offset 0x%x\n",
+ offset);
+ break;
+ } else if (ret_val) {
+ dev_info(&pf->pdev->dev,
+ "read NVM failed offset %d err=%d status=0x%x\n",
+ offset, ret_val, hw->aq.asq_last_status);
+ break;
+ }
+ }
+
+ i40e_release_nvm(hw);
+ memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
+free_buff:
+ kfree(eeprom_buff);
+ return ret_val;
+}
+
+static int i40e_get_eeprom_len(struct net_device *netdev)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_hw *hw = &np->vsi->back->hw;
+ u32 val;
+
+ val = (rd32(hw, I40E_GLPCI_LBARCTRL)
+ & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK)
+ >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT;
+ /* register returns value in power of 2, 64Kbyte chunks. */
+ val = (64 * 1024) * (1 << val);
+ return val;
+}
+
+static int i40e_set_eeprom(struct net_device *netdev,
+ struct ethtool_eeprom *eeprom, u8 *bytes)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_hw *hw = &np->vsi->back->hw;
+ struct i40e_pf *pf = np->vsi->back;
+ struct i40e_nvm_access *cmd;
+ int ret_val = 0;
+ int errno;
+ u32 magic;
+
+ /* normal ethtool set_eeprom is not supported */
+ magic = hw->vendor_id | (hw->device_id << 16);
+ if (eeprom->magic == magic)
+ return -EOPNOTSUPP;
+
+ /* check for NVMUpdate access method */
+ if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id)
+ return -EINVAL;
+
+ if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
+ test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
+ return -EBUSY;
+
+ cmd = (struct i40e_nvm_access *)eeprom;
+ ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
+ if (ret_val &&
+ ((hw->aq.asq_last_status != I40E_AQ_RC_EPERM &&
+ hw->aq.asq_last_status != I40E_AQ_RC_EBUSY) ||
+ (hw->debug_mask & I40E_DEBUG_NVM)))
+ dev_info(&pf->pdev->dev,
+ "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
+ ret_val, hw->aq.asq_last_status, errno,
+ (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
+ cmd->offset, cmd->data_size);
+
+ return errno;
+}
+
+static void i40e_get_drvinfo(struct net_device *netdev,
+ struct ethtool_drvinfo *drvinfo)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_vsi *vsi = np->vsi;
+ struct i40e_pf *pf = vsi->back;
+
+ strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
+ strlcpy(drvinfo->version, i40e_driver_version_str,
+ sizeof(drvinfo->version));
+ strlcpy(drvinfo->fw_version, i40e_fw_version_str(&pf->hw),
+ sizeof(drvinfo->fw_version));
+ strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
+ sizeof(drvinfo->bus_info));
+ drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN;
+}
+
+static void i40e_get_ringparam(struct net_device *netdev,
+ struct ethtool_ringparam *ring)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_pf *pf = np->vsi->back;
+ struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
+
+ ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
+ ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
+ ring->rx_mini_max_pending = 0;
+ ring->rx_jumbo_max_pending = 0;
+ ring->rx_pending = vsi->rx_rings[0]->count;
+ ring->tx_pending = vsi->tx_rings[0]->count;
+ ring->rx_mini_pending = 0;
+ ring->rx_jumbo_pending = 0;
+}
+
+static int i40e_set_ringparam(struct net_device *netdev,
+ struct ethtool_ringparam *ring)
+{
+ struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_vsi *vsi = np->vsi;
+ struct i40e_pf *pf = vsi->back;
+ u32 new_rx_count, new_tx_count;
+ int i, err = 0;
+
+ if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
+ return -EINVAL;
+
+ if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS ||
+ ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS ||
+ ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS ||
+ ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) {
+ netdev_info(netdev,
+ "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
+ ring->tx_pending, ring->rx_pending,
+ I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS);
+ return -EINVAL;
+ }
+
+ new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
+ new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
+
+ /* if nothing to do return success */
+ if ((new_tx_count == vsi->tx_rings[0]->count) &&
+ (new_rx_count == vsi->rx_rings[0]->count))
+ return 0;
+
+ while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state))
+ usleep_range(1000, 2000);
+
+ if (!netif_running(vsi->netdev)) {
+ /* simple case - set for the next time the netdev is started */
+ for (i = 0; i < vsi->num_queue_pairs; i++) {
+ vsi->tx_rings[i]->count = new_tx_count;
+ vsi->rx_rings[i]->count = new_rx_count;
+ }
+ goto done;
+ }
+
+ /* 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.
+ */
+
+ /* alloc updated Tx resources */
+ if (new_tx_count != vsi->tx_rings[0]->count) {
+ netdev_info(netdev,
+ "Changing Tx descriptor count from %d to %d.\n",
+ vsi->tx_rings[0]->count, new_tx_count);
+ tx_rings = kcalloc(vsi->alloc_queue_pairs,
+ sizeof(struct i40e_ring), GFP_KERNEL);
+ if (!tx_rings) {
+ err = -ENOMEM;
+ goto done;
+ }
+
+ for (i = 0; i < vsi->num_queue_pairs; i++) {
+ /* clone ring and setup updated count */
+ tx_rings[i] = *vsi->tx_rings[i];
+ tx_rings[i].count = new_tx_count;
+ err = i40e_setup_tx_descriptors(&tx_rings[i]);
+ if (err) {
+ while (i) {
+ i--;
+ i40e_free_tx_resources(&tx_rings[i]);
+ }
+ kfree(tx_rings);
+ tx_rings = NULL;
+
+ goto done;
+ }
+ }
+ }
+
+ /* alloc updated Rx resources */
+ if (new_rx_count != vsi->rx_rings[0]->count) {
+ netdev_info(netdev,
+ "Changing Rx descriptor count from %d to %d\n",
+ vsi->rx_rings[0]->count, new_rx_count);
+ rx_rings = kcalloc(vsi->alloc_queue_pairs,
+ sizeof(struct i40e_ring), GFP_KERNEL);
+ if (!rx_rings) {
+ err = -ENOMEM;
+ goto free_tx;
+ }
+
+ for (i = 0; i < vsi->num_queue_pairs; i++) {
+ /* clone ring and setup updated count */
+ rx_rings[i] = *vsi->rx_rings[i];
+ rx_rings[i].count = new_rx_count;
+ err = i40e_setup_rx_descriptors(&rx_rings[i]);
+ if (err) {
+ while (i) {
+ i--;
+ i40e_free_rx_resources(&rx_rings[i]);
+ }
+ kfree(rx_rings);
+ rx_rings = NULL;
+
+ goto free_tx;
+ }
+ }
+ }
+
+ /* Bring interface down, copy in the new ring info,
+ * then restore the interface
+ */
+ i40e_down(vsi);
+
+ if (tx_rings) {
+ for (i = 0; i < vsi->num_queue_pairs; i++) {
+ i40e_free_tx_resources(vsi->tx_rings[i]);
+ *vsi->tx_rings[i] = tx_rings[i];
+ }
+ kfree(tx_rings);
+ tx_rings = NULL;
+ }
+
+ if (rx_rings) {
+ for (i = 0; i < vsi->num_queue_pairs; i++) {
+ i40e_free_rx_resources(vsi->rx_rings[i]);
+ *vsi->rx_rings[i] = rx_rings[i];
+ }
+ kfree(rx_rings);
+ rx_rings = NULL;
+ }
+
+ i40e_up(vsi);
+
+free_tx:
+ /* error cleanup if the Rx allocations failed after getting Tx */
+ if (tx_rings) {
+ for (i = 0; i < vsi->num_queue_pairs; i++)
+ i40e_free_tx_resources(&tx_rings[i]);
+ kfree(tx_rings);
+ tx_rings = NULL;
+ }
+
+done:
+ clear_bit(__I40E_CONFIG_BUSY, &pf->state);
+
+ return err;
+}
+
+static int i40e_get_sset_count(struct net_device *netdev, int sset)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_vsi *vsi = np->vsi;
+ struct i40e_pf *pf = vsi->back;
+
+ switch (sset) {
+ case ETH_SS_TEST:
+ return I40E_TEST_LEN;
+ case ETH_SS_STATS:
+ if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) {
+ int len = I40E_PF_STATS_LEN(netdev);
+
+ if (pf->lan_veb != I40E_NO_VEB)
+ len += I40E_VEB_STATS_LEN;
+ return len;
+ } else {
+ return I40E_VSI_STATS_LEN(netdev);
+ }
+ case ETH_SS_PRIV_FLAGS:
+ return I40E_PRIV_FLAGS_STR_LEN;
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static void i40e_get_ethtool_stats(struct net_device *netdev,
+ struct ethtool_stats *stats, u64 *data)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_ring *tx_ring, *rx_ring;
+ struct i40e_vsi *vsi = np->vsi;
+ struct i40e_pf *pf = vsi->back;
+ int i = 0;
+ char *p;
+ int j;
+ struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
+ unsigned int start;
+
+ i40e_update_stats(vsi);
+
+ for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
+ p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
+ data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
+ sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
+ }
+ for (j = 0; j < I40E_MISC_STATS_LEN; j++) {
+ p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset;
+ data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat ==
+ sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
+ }
+#ifdef I40E_FCOE
+ for (j = 0; j < I40E_FCOE_STATS_LEN; j++) {
+ p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset;
+ data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat ==
+ sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
+ }
+#endif
+ rcu_read_lock();
+ for (j = 0; j < vsi->num_queue_pairs; j++) {
+ tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
+
+ if (!tx_ring)
+ continue;
+
+ /* process Tx ring statistics */
+ do {
+ start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
+ data[i] = tx_ring->stats.packets;
+ data[i + 1] = tx_ring->stats.bytes;
+ } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
+ i += 2;
+
+ /* Rx ring is the 2nd half of the queue pair */
+ rx_ring = &tx_ring[1];
+ do {
+ start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
+ data[i] = rx_ring->stats.packets;
+ data[i + 1] = rx_ring->stats.bytes;
+ } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
+ i += 2;
+ }
+ rcu_read_unlock();
+ if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
+ return;
+
+ if (pf->lan_veb != I40E_NO_VEB) {
+ struct i40e_veb *veb = pf->veb[pf->lan_veb];
+ for (j = 0; j < I40E_VEB_STATS_LEN; j++) {
+ p = (char *)veb;
+ p += i40e_gstrings_veb_stats[j].stat_offset;
+ data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
+ sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
+ }
+ }
+ for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
+ p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
+ data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
+ sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
+ }
+ for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
+ data[i++] = pf->stats.priority_xon_tx[j];
+ data[i++] = pf->stats.priority_xoff_tx[j];
+ }
+ for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
+ data[i++] = pf->stats.priority_xon_rx[j];
+ data[i++] = pf->stats.priority_xoff_rx[j];
+ }
+ for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
+ data[i++] = pf->stats.priority_xon_2_xoff[j];
+}
+
+static void i40e_get_strings(struct net_device *netdev, u32 stringset,
+ u8 *data)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_vsi *vsi = np->vsi;
+ struct i40e_pf *pf = vsi->back;
+ char *p = (char *)data;
+ int i;
+
+ switch (stringset) {
+ case ETH_SS_TEST:
+ for (i = 0; i < I40E_TEST_LEN; i++) {
+ memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN);
+ data += ETH_GSTRING_LEN;
+ }
+ break;
+ case ETH_SS_STATS:
+ for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
+ snprintf(p, ETH_GSTRING_LEN, "%s",
+ i40e_gstrings_net_stats[i].stat_string);
+ p += ETH_GSTRING_LEN;
+ }
+ for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
+ snprintf(p, ETH_GSTRING_LEN, "%s",
+ i40e_gstrings_misc_stats[i].stat_string);
+ p += ETH_GSTRING_LEN;
+ }
+#ifdef I40E_FCOE
+ for (i = 0; i < I40E_FCOE_STATS_LEN; i++) {
+ snprintf(p, ETH_GSTRING_LEN, "%s",
+ i40e_gstrings_fcoe_stats[i].stat_string);
+ p += ETH_GSTRING_LEN;
+ }
+#endif
+ for (i = 0; i < vsi->num_queue_pairs; i++) {
+ snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i);
+ p += ETH_GSTRING_LEN;
+ snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i);
+ p += ETH_GSTRING_LEN;
+ snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i);
+ p += ETH_GSTRING_LEN;
+ snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i);
+ p += ETH_GSTRING_LEN;
+ }
+ if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
+ return;
+
+ if (pf->lan_veb != I40E_NO_VEB) {
+ for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
+ snprintf(p, ETH_GSTRING_LEN, "veb.%s",
+ i40e_gstrings_veb_stats[i].stat_string);
+ p += ETH_GSTRING_LEN;
+ }
+ }
+ for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
+ snprintf(p, ETH_GSTRING_LEN, "port.%s",
+ i40e_gstrings_stats[i].stat_string);
+ p += ETH_GSTRING_LEN;
+ }
+ for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
+ snprintf(p, ETH_GSTRING_LEN,
+ "port.tx_priority_%u_xon", i);
+ p += ETH_GSTRING_LEN;
+ snprintf(p, ETH_GSTRING_LEN,
+ "port.tx_priority_%u_xoff", i);
+ p += ETH_GSTRING_LEN;
+ }
+ for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
+ snprintf(p, ETH_GSTRING_LEN,
+ "port.rx_priority_%u_xon", i);
+ p += ETH_GSTRING_LEN;
+ snprintf(p, ETH_GSTRING_LEN,
+ "port.rx_priority_%u_xoff", i);
+ p += ETH_GSTRING_LEN;
+ }
+ for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
+ snprintf(p, ETH_GSTRING_LEN,
+ "port.rx_priority_%u_xon_2_xoff", i);
+ p += ETH_GSTRING_LEN;
+ }
+ /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
+ break;
+ case ETH_SS_PRIV_FLAGS:
+ for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
+ memcpy(data, i40e_priv_flags_strings[i],
+ ETH_GSTRING_LEN);
+ data += ETH_GSTRING_LEN;
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+static int i40e_get_ts_info(struct net_device *dev,
+ struct ethtool_ts_info *info)
+{
+ struct i40e_pf *pf = i40e_netdev_to_pf(dev);
+
+ /* only report HW timestamping if PTP is enabled */
+ if (!(pf->flags & I40E_FLAG_PTP))
+ return ethtool_op_get_ts_info(dev, info);
+
+ 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;
+
+ if (pf->ptp_clock)
+ info->phc_index = ptp_clock_index(pf->ptp_clock);
+ else
+ info->phc_index = -1;
+
+ info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
+
+ info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
+ (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
+ (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
+ (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
+ (1 << HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
+ (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
+ (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
+ (1 << HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
+ (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
+ (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
+ (1 << HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
+ (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ);
+
+ return 0;
+}
+
+static int i40e_link_test(struct net_device *netdev, u64 *data)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_pf *pf = np->vsi->back;
+
+ netif_info(pf, hw, netdev, "link test\n");
+ if (i40e_get_link_status(&pf->hw))
+ *data = 0;
+ else
+ *data = 1;
+
+ return *data;
+}
+
+static int i40e_reg_test(struct net_device *netdev, u64 *data)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_pf *pf = np->vsi->back;
+
+ netif_info(pf, hw, netdev, "register test\n");
+ *data = i40e_diag_reg_test(&pf->hw);
+
+ return *data;
+}
+
+static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_pf *pf = np->vsi->back;
+
+ netif_info(pf, hw, netdev, "eeprom test\n");
+ *data = i40e_diag_eeprom_test(&pf->hw);
+
+ /* forcebly clear the NVM Update state machine */
+ pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT;
+
+ return *data;
+}
+
+static int i40e_intr_test(struct net_device *netdev, u64 *data)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_pf *pf = np->vsi->back;
+ u16 swc_old = pf->sw_int_count;
+
+ netif_info(pf, hw, netdev, "interrupt test\n");
+ wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
+ (I40E_PFINT_DYN_CTL0_INTENA_MASK |
+ I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK |
+ I40E_PFINT_DYN_CTL0_ITR_INDX_MASK |
+ I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK |
+ I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK));
+ usleep_range(1000, 2000);
+ *data = (swc_old == pf->sw_int_count);
+
+ return *data;
+}
+
+static int i40e_loopback_test(struct net_device *netdev, u64 *data)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_pf *pf = np->vsi->back;
+
+ netif_info(pf, hw, netdev, "loopback test not implemented\n");
+ *data = 0;
+
+ return *data;
+}
+
+static void i40e_diag_test(struct net_device *netdev,
+ struct ethtool_test *eth_test, u64 *data)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ bool if_running = netif_running(netdev);
+ struct i40e_pf *pf = np->vsi->back;
+
+ if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
+ /* Offline tests */
+ netif_info(pf, drv, netdev, "offline testing starting\n");
+
+ set_bit(__I40E_TESTING, &pf->state);
+ /* If the device is online then take it offline */
+ if (if_running)
+ /* indicate we're in test mode */
+ dev_close(netdev);
+ else
+ i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED));
+
+ /* Link test performed before hardware reset
+ * so autoneg doesn't interfere with test result
+ */
+ if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+
+ if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+
+ if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+
+ if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK]))
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+
+ /* run reg test last, a reset is required after it */
+ if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG]))
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+
+ clear_bit(__I40E_TESTING, &pf->state);
+ i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED));
+
+ if (if_running)
+ dev_open(netdev);
+ } else {
+ /* Online tests */
+ netif_info(pf, drv, netdev, "online testing starting\n");
+
+ if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+
+ /* Offline only tests, not run in online; pass by default */
+ data[I40E_ETH_TEST_REG] = 0;
+ data[I40E_ETH_TEST_EEPROM] = 0;
+ data[I40E_ETH_TEST_INTR] = 0;
+ data[I40E_ETH_TEST_LOOPBACK] = 0;
+ }
+
+ netif_info(pf, drv, netdev, "testing finished\n");
+}
+
+static void i40e_get_wol(struct net_device *netdev,
+ struct ethtool_wolinfo *wol)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_pf *pf = np->vsi->back;
+ struct i40e_hw *hw = &pf->hw;
+ u16 wol_nvm_bits;
+
+ /* NVM bit on means WoL disabled for the port */
+ i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
+ if ((1 << hw->port) & wol_nvm_bits || hw->partition_id != 1) {
+ wol->supported = 0;
+ wol->wolopts = 0;
+ } else {
+ wol->supported = WAKE_MAGIC;
+ wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0);
+ }
+}
+
+/**
+ * i40e_set_wol - set the WakeOnLAN configuration
+ * @netdev: the netdev in question
+ * @wol: the ethtool WoL setting data
+ **/
+static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_pf *pf = np->vsi->back;
+ struct i40e_vsi *vsi = np->vsi;
+ struct i40e_hw *hw = &pf->hw;
+ u16 wol_nvm_bits;
+
+ /* WoL not supported if this isn't the controlling PF on the port */
+ if (hw->partition_id != 1) {
+ i40e_partition_setting_complaint(pf);
+ return -EOPNOTSUPP;
+ }
+
+ if (vsi != pf->vsi[pf->lan_vsi])
+ return -EOPNOTSUPP;
+
+ /* NVM bit on means WoL disabled for the port */
+ i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
+ if (((1 << hw->port) & wol_nvm_bits))
+ return -EOPNOTSUPP;
+
+ /* only magic packet is supported */
+ if (wol->wolopts && (wol->wolopts != WAKE_MAGIC))
+ return -EOPNOTSUPP;
+
+ /* is this a new value? */
+ if (pf->wol_en != !!wol->wolopts) {
+ pf->wol_en = !!wol->wolopts;
+ device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en);
+ }
+
+ return 0;
+}
+
+static int i40e_set_phys_id(struct net_device *netdev,
+ enum ethtool_phys_id_state state)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_pf *pf = np->vsi->back;
+ struct i40e_hw *hw = &pf->hw;
+ int blink_freq = 2;
+
+ switch (state) {
+ case ETHTOOL_ID_ACTIVE:
+ pf->led_status = i40e_led_get(hw);
+ return blink_freq;
+ case ETHTOOL_ID_ON:
+ i40e_led_set(hw, 0xF, false);
+ break;
+ case ETHTOOL_ID_OFF:
+ i40e_led_set(hw, 0x0, false);
+ break;
+ case ETHTOOL_ID_INACTIVE:
+ i40e_led_set(hw, pf->led_status, false);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+/* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
+ * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
+ * 125us (8000 interrupts per second) == ITR(62)
+ */
+
+static int i40e_get_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *ec)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_vsi *vsi = np->vsi;
+
+ ec->tx_max_coalesced_frames_irq = vsi->work_limit;
+ ec->rx_max_coalesced_frames_irq = vsi->work_limit;
+
+ if (ITR_IS_DYNAMIC(vsi->rx_itr_setting))
+ ec->use_adaptive_rx_coalesce = 1;
+
+ if (ITR_IS_DYNAMIC(vsi->tx_itr_setting))
+ ec->use_adaptive_tx_coalesce = 1;
+
+ ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC;
+ ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC;
+
+ return 0;
+}
+
+static int i40e_set_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *ec)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_q_vector *q_vector;
+ struct i40e_vsi *vsi = np->vsi;
+ struct i40e_pf *pf = vsi->back;
+ struct i40e_hw *hw = &pf->hw;
+ u16 vector;
+ int i;
+
+ if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
+ vsi->work_limit = ec->tx_max_coalesced_frames_irq;
+
+ vector = vsi->base_vector;
+ if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
+ (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
+ vsi->rx_itr_setting = ec->rx_coalesce_usecs;
+ } else if (ec->rx_coalesce_usecs == 0) {
+ vsi->rx_itr_setting = ec->rx_coalesce_usecs;
+ if (ec->use_adaptive_rx_coalesce)
+ netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
+ } else {
+ netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
+ return -EINVAL;
+ }
+
+ if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
+ (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
+ vsi->tx_itr_setting = ec->tx_coalesce_usecs;
+ } else if (ec->tx_coalesce_usecs == 0) {
+ vsi->tx_itr_setting = ec->tx_coalesce_usecs;
+ if (ec->use_adaptive_tx_coalesce)
+ netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
+ } else {
+ netif_info(pf, drv, netdev,
+ "Invalid value, tx-usecs range is 0-8160\n");
+ return -EINVAL;
+ }
+
+ if (ec->use_adaptive_rx_coalesce)
+ vsi->rx_itr_setting |= I40E_ITR_DYNAMIC;
+ else
+ vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC;
+
+ if (ec->use_adaptive_tx_coalesce)
+ vsi->tx_itr_setting |= I40E_ITR_DYNAMIC;
+ else
+ vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC;
+
+ for (i = 0; i < vsi->num_q_vectors; i++, vector++) {
+ q_vector = vsi->q_vectors[i];
+ q_vector->rx.itr = ITR_TO_REG(vsi->rx_itr_setting);
+ wr32(hw, I40E_PFINT_ITRN(0, vector - 1), q_vector->rx.itr);
+ q_vector->tx.itr = ITR_TO_REG(vsi->tx_itr_setting);
+ wr32(hw, I40E_PFINT_ITRN(1, vector - 1), q_vector->tx.itr);
+ i40e_flush(hw);
+ }
+
+ return 0;
+}
+
+/**
+ * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
+ * @pf: pointer to the physical function struct
+ * @cmd: ethtool rxnfc command
+ *
+ * Returns Success if the flow is supported, else Invalid Input.
+ **/
+static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
+{
+ cmd->data = 0;
+
+ if (pf->vsi[pf->lan_vsi]->rxnfc.data != 0) {
+ cmd->data = pf->vsi[pf->lan_vsi]->rxnfc.data;
+ cmd->flow_type = pf->vsi[pf->lan_vsi]->rxnfc.flow_type;
+ return 0;
+ }
+ /* Report default options for RSS on i40e */
+ switch (cmd->flow_type) {
+ case TCP_V4_FLOW:
+ case UDP_V4_FLOW:
+ cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+ /* fall through to add IP fields */
+ 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:
+ case UDP_V6_FLOW:
+ cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+ /* fall through to add IP fields */
+ 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;
+}
+
+/**
+ * i40e_get_ethtool_fdir_all - Populates the rule count of a command
+ * @pf: Pointer to the physical function struct
+ * @cmd: The command to get or set Rx flow classification rules
+ * @rule_locs: Array of used rule locations
+ *
+ * This function populates both the total and actual rule count of
+ * the ethtool flow classification command
+ *
+ * Returns 0 on success or -EMSGSIZE if entry not found
+ **/
+static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf,
+ struct ethtool_rxnfc *cmd,
+ u32 *rule_locs)
+{
+ struct i40e_fdir_filter *rule;
+ struct hlist_node *node2;
+ int cnt = 0;
+
+ /* report total rule count */
+ cmd->data = i40e_get_fd_cnt_all(pf);
+
+ hlist_for_each_entry_safe(rule, node2,
+ &pf->fdir_filter_list, fdir_node) {
+ if (cnt == cmd->rule_cnt)
+ return -EMSGSIZE;
+
+ rule_locs[cnt] = rule->fd_id;
+ cnt++;
+ }
+
+ cmd->rule_cnt = cnt;
+
+ return 0;
+}
+
+/**
+ * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow
+ * @pf: Pointer to the physical function struct
+ * @cmd: The command to get or set Rx flow classification rules
+ *
+ * This function looks up a filter based on the Rx flow classification
+ * command and fills the flow spec info for it if found
+ *
+ * Returns 0 on success or -EINVAL if filter not found
+ **/
+static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf,
+ struct ethtool_rxnfc *cmd)
+{
+ struct ethtool_rx_flow_spec *fsp =
+ (struct ethtool_rx_flow_spec *)&cmd->fs;
+ struct i40e_fdir_filter *rule = NULL;
+ struct hlist_node *node2;
+
+ hlist_for_each_entry_safe(rule, node2,
+ &pf->fdir_filter_list, fdir_node) {
+ if (fsp->location <= rule->fd_id)
+ break;
+ }
+
+ if (!rule || fsp->location != rule->fd_id)
+ return -EINVAL;
+
+ fsp->flow_type = rule->flow_type;
+ if (fsp->flow_type == IP_USER_FLOW) {
+ fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
+ fsp->h_u.usr_ip4_spec.proto = 0;
+ fsp->m_u.usr_ip4_spec.proto = 0;
+ }
+
+ /* Reverse the src and dest notion, since the HW views them from
+ * Tx perspective where as the user expects it from Rx filter view.
+ */
+ fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port;
+ fsp->h_u.tcp_ip4_spec.pdst = rule->src_port;
+ fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0];
+ fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0];
+
+ if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET)
+ fsp->ring_cookie = RX_CLS_FLOW_DISC;
+ else
+ fsp->ring_cookie = rule->q_index;
+
+ if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) {
+ struct i40e_vsi *vsi;
+
+ vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi);
+ if (vsi && vsi->type == I40E_VSI_SRIOV) {
+ fsp->h_ext.data[1] = htonl(vsi->vf_id);
+ fsp->m_ext.data[1] = htonl(0x1);
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * i40e_get_rxnfc - command to get RX flow classification rules
+ * @netdev: network interface device structure
+ * @cmd: ethtool rxnfc command
+ *
+ * Returns Success if the command is supported.
+ **/
+static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
+ u32 *rule_locs)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_vsi *vsi = np->vsi;
+ struct i40e_pf *pf = vsi->back;
+ int ret = -EOPNOTSUPP;
+
+ switch (cmd->cmd) {
+ case ETHTOOL_GRXRINGS:
+ cmd->data = vsi->alloc_queue_pairs;
+ ret = 0;
+ break;
+ case ETHTOOL_GRXFH:
+ ret = i40e_get_rss_hash_opts(pf, cmd);
+ break;
+ case ETHTOOL_GRXCLSRLCNT:
+ cmd->rule_cnt = pf->fdir_pf_active_filters;
+ /* report total rule count */
+ cmd->data = i40e_get_fd_cnt_all(pf);
+ ret = 0;
+ break;
+ case ETHTOOL_GRXCLSRULE:
+ ret = i40e_get_ethtool_fdir_entry(pf, cmd);
+ break;
+ case ETHTOOL_GRXCLSRLALL:
+ ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs);
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+/**
+ * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
+ * @pf: pointer to the physical function struct
+ * @cmd: ethtool rxnfc command
+ *
+ * Returns Success if the flow input set is supported.
+ **/
+static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
+{
+ struct i40e_hw *hw = &pf->hw;
+ u64 hena = (u64)rd32(hw, I40E_PFQF_HENA(0)) |
+ ((u64)rd32(hw, I40E_PFQF_HENA(1)) << 32);
+
+ /* 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;
+
+ /* We need at least the IP SRC and DEST fields for hashing */
+ if (!(nfc->data & RXH_IP_SRC) ||
+ !(nfc->data & RXH_IP_DST))
+ return -EINVAL;
+
+ switch (nfc->flow_type) {
+ case TCP_V4_FLOW:
+ switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
+ case 0:
+ hena &= ~((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
+ break;
+ case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
+ hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case TCP_V6_FLOW:
+ switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
+ case 0:
+ hena &= ~((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
+ break;
+ case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
+ hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case UDP_V4_FLOW:
+ switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
+ case 0:
+ hena &= ~(((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
+ ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4));
+ break;
+ case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
+ hena |= (((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
+ ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4));
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case UDP_V6_FLOW:
+ switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
+ case 0:
+ hena &= ~(((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
+ ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6));
+ break;
+ case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
+ hena |= (((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
+ ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6));
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case AH_ESP_V4_FLOW:
+ case AH_V4_FLOW:
+ case ESP_V4_FLOW:
+ case SCTP_V4_FLOW:
+ if ((nfc->data & RXH_L4_B_0_1) ||
+ (nfc->data & RXH_L4_B_2_3))
+ return -EINVAL;
+ hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
+ break;
+ case AH_ESP_V6_FLOW:
+ case AH_V6_FLOW:
+ case ESP_V6_FLOW:
+ case SCTP_V6_FLOW:
+ if ((nfc->data & RXH_L4_B_0_1) ||
+ (nfc->data & RXH_L4_B_2_3))
+ return -EINVAL;
+ hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
+ break;
+ case IPV4_FLOW:
+ hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
+ ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4);
+ break;
+ case IPV6_FLOW:
+ hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
+ ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ wr32(hw, I40E_PFQF_HENA(0), (u32)hena);
+ wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
+ i40e_flush(hw);
+
+ /* Save setting for future output/update */
+ pf->vsi[pf->lan_vsi]->rxnfc = *nfc;
+
+ return 0;
+}
+
+/**
+ * i40e_match_fdir_input_set - Match a new filter against an existing one
+ * @rule: The filter already added
+ * @input: The new filter to comapre against
+ *
+ * Returns true if the two input set match
+ **/
+static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule,
+ struct i40e_fdir_filter *input)
+{
+ if ((rule->dst_ip[0] != input->dst_ip[0]) ||
+ (rule->src_ip[0] != input->src_ip[0]) ||
+ (rule->dst_port != input->dst_port) ||
+ (rule->src_port != input->src_port))
+ return false;
+ return true;
+}
+
+/**
+ * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry
+ * @vsi: Pointer to the targeted VSI
+ * @input: The filter to update or NULL to indicate deletion
+ * @sw_idx: Software index to the filter
+ * @cmd: The command to get or set Rx flow classification rules
+ *
+ * This function updates (or deletes) a Flow Director entry from
+ * the hlist of the corresponding PF
+ *
+ * Returns 0 on success
+ **/
+static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi,
+ struct i40e_fdir_filter *input,
+ u16 sw_idx,
+ struct ethtool_rxnfc *cmd)
+{
+ struct i40e_fdir_filter *rule, *parent;
+ struct i40e_pf *pf = vsi->back;
+ struct hlist_node *node2;
+ int err = -EINVAL;
+
+ parent = NULL;
+ rule = NULL;
+
+ hlist_for_each_entry_safe(rule, node2,
+ &pf->fdir_filter_list, fdir_node) {
+ /* hash found, or no matching entry */
+ if (rule->fd_id >= sw_idx)
+ break;
+ parent = rule;
+ }
+
+ /* if there is an old rule occupying our place remove it */
+ if (rule && (rule->fd_id == sw_idx)) {
+ if (input && !i40e_match_fdir_input_set(rule, input))
+ err = i40e_add_del_fdir(vsi, rule, false);
+ else if (!input)
+ err = i40e_add_del_fdir(vsi, rule, false);
+ hlist_del(&rule->fdir_node);
+ kfree(rule);
+ pf->fdir_pf_active_filters--;
+ }
+
+ /* If no input this was a delete, err should be 0 if a rule was
+ * successfully found and removed from the list else -EINVAL
+ */
+ if (!input)
+ return err;
+
+ /* initialize node and set software index */
+ INIT_HLIST_NODE(&input->fdir_node);
+
+ /* add filter to the list */
+ if (parent)
+ hlist_add_behind(&input->fdir_node, &parent->fdir_node);
+ else
+ hlist_add_head(&input->fdir_node,
+ &pf->fdir_filter_list);
+
+ /* update counts */
+ pf->fdir_pf_active_filters++;
+
+ return 0;
+}
+
+/**
+ * i40e_del_fdir_entry - Deletes a Flow Director filter entry
+ * @vsi: Pointer to the targeted VSI
+ * @cmd: The command to get or set Rx flow classification rules
+ *
+ * The function removes a Flow Director filter entry from the
+ * hlist of the corresponding PF
+ *
+ * Returns 0 on success
+ */
+static int i40e_del_fdir_entry(struct i40e_vsi *vsi,
+ struct ethtool_rxnfc *cmd)
+{
+ struct ethtool_rx_flow_spec *fsp =
+ (struct ethtool_rx_flow_spec *)&cmd->fs;
+ struct i40e_pf *pf = vsi->back;
+ int ret = 0;
+
+ if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
+ test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
+ return -EBUSY;
+
+ if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
+ return -EBUSY;
+
+ ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd);
+
+ i40e_fdir_check_and_reenable(pf);
+ return ret;
+}
+
+/**
+ * i40e_add_fdir_ethtool - Add/Remove Flow Director filters
+ * @vsi: pointer to the targeted VSI
+ * @cmd: command to get or set RX flow classification rules
+ *
+ * Add Flow Director filters for a specific flow spec based on their
+ * protocol. Returns 0 if the filters were successfully added.
+ **/
+static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
+ struct ethtool_rxnfc *cmd)
+{
+ struct ethtool_rx_flow_spec *fsp;
+ struct i40e_fdir_filter *input;
+ struct i40e_pf *pf;
+ int ret = -EINVAL;
+ u16 vf_id;
+
+ if (!vsi)
+ return -EINVAL;
+
+ pf = vsi->back;
+
+ if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
+ return -EOPNOTSUPP;
+
+ if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)
+ return -ENOSPC;
+
+ if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
+ test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
+ return -EBUSY;
+
+ if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
+ return -EBUSY;
+
+ fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
+
+ if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort +
+ pf->hw.func_caps.fd_filters_guaranteed)) {
+ return -EINVAL;
+ }
+
+ if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
+ (fsp->ring_cookie >= vsi->num_queue_pairs))
+ return -EINVAL;
+
+ input = kzalloc(sizeof(*input), GFP_KERNEL);
+
+ if (!input)
+ return -ENOMEM;
+
+ input->fd_id = fsp->location;
+
+ if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
+ input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
+ else
+ input->dest_ctl =
+ I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
+
+ input->q_index = fsp->ring_cookie;
+ input->flex_off = 0;
+ input->pctype = 0;
+ input->dest_vsi = vsi->id;
+ input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
+ input->cnt_index = pf->fd_sb_cnt_idx;
+ input->flow_type = fsp->flow_type;
+ input->ip4_proto = fsp->h_u.usr_ip4_spec.proto;
+
+ /* Reverse the src and dest notion, since the HW expects them to be from
+ * Tx perspective where as the input from user is from Rx filter view.
+ */
+ input->dst_port = fsp->h_u.tcp_ip4_spec.psrc;
+ input->src_port = fsp->h_u.tcp_ip4_spec.pdst;
+ input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
+ input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
+
+ if (ntohl(fsp->m_ext.data[1])) {
+ if (ntohl(fsp->h_ext.data[1]) >= pf->num_alloc_vfs) {
+ netif_info(pf, drv, vsi->netdev, "Invalid VF id\n");
+ goto free_input;
+ }
+ vf_id = ntohl(fsp->h_ext.data[1]);
+ /* Find vsi id from vf id and override dest vsi */
+ input->dest_vsi = pf->vf[vf_id].lan_vsi_id;
+ if (input->q_index >= pf->vf[vf_id].num_queue_pairs) {
+ netif_info(pf, drv, vsi->netdev, "Invalid queue id\n");
+ goto free_input;
+ }
+ }
+
+ ret = i40e_add_del_fdir(vsi, input, true);
+free_input:
+ if (ret)
+ kfree(input);
+ else
+ i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL);
+
+ return ret;
+}
+
+/**
+ * i40e_set_rxnfc - command to set RX flow classification rules
+ * @netdev: network interface device structure
+ * @cmd: ethtool rxnfc command
+ *
+ * Returns Success if the command is supported.
+ **/
+static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_vsi *vsi = np->vsi;
+ struct i40e_pf *pf = vsi->back;
+ int ret = -EOPNOTSUPP;
+
+ switch (cmd->cmd) {
+ case ETHTOOL_SRXFH:
+ ret = i40e_set_rss_hash_opt(pf, cmd);
+ break;
+ case ETHTOOL_SRXCLSRLINS:
+ ret = i40e_add_fdir_ethtool(vsi, cmd);
+ break;
+ case ETHTOOL_SRXCLSRLDEL:
+ ret = i40e_del_fdir_entry(vsi, cmd);
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+/**
+ * i40e_max_channels - get Max number of combined channels supported
+ * @vsi: vsi pointer
+ **/
+static unsigned int i40e_max_channels(struct i40e_vsi *vsi)
+{
+ /* TODO: This code assumes DCB and FD is disabled for now. */
+ return vsi->alloc_queue_pairs;
+}
+
+/**
+ * i40e_get_channels - Get the current channels enabled and max supported etc.
+ * @netdev: network interface device structure
+ * @ch: ethtool channels structure
+ *
+ * We don't support separate tx and rx queues as channels. The other count
+ * represents how many queues are being used for control. max_combined counts
+ * how many queue pairs we can support. They may not be mapped 1 to 1 with
+ * q_vectors since we support a lot more queue pairs than q_vectors.
+ **/
+static void i40e_get_channels(struct net_device *dev,
+ struct ethtool_channels *ch)
+{
+ struct i40e_netdev_priv *np = netdev_priv(dev);
+ struct i40e_vsi *vsi = np->vsi;
+ struct i40e_pf *pf = vsi->back;
+
+ /* report maximum channels */
+ ch->max_combined = i40e_max_channels(vsi);
+
+ /* report info for other vector */
+ ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0;
+ ch->max_other = ch->other_count;
+
+ /* Note: This code assumes DCB is disabled for now. */
+ ch->combined_count = vsi->num_queue_pairs;
+}
+
+/**
+ * i40e_set_channels - Set the new channels count.
+ * @netdev: network interface device structure
+ * @ch: ethtool channels structure
+ *
+ * The new channels count may not be the same as requested by the user
+ * since it gets rounded down to a power of 2 value.
+ **/
+static int i40e_set_channels(struct net_device *dev,
+ struct ethtool_channels *ch)
+{
+ struct i40e_netdev_priv *np = netdev_priv(dev);
+ unsigned int count = ch->combined_count;
+ struct i40e_vsi *vsi = np->vsi;
+ struct i40e_pf *pf = vsi->back;
+ int new_count;
+
+ /* We do not support setting channels for any other VSI at present */
+ if (vsi->type != I40E_VSI_MAIN)
+ return -EINVAL;
+
+ /* verify they are not requesting separate vectors */
+ if (!count || ch->rx_count || ch->tx_count)
+ return -EINVAL;
+
+ /* verify other_count has not changed */
+ if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0))
+ return -EINVAL;
+
+ /* verify the number of channels does not exceed hardware limits */
+ if (count > i40e_max_channels(vsi))
+ return -EINVAL;
+
+ /* update feature limits from largest to smallest supported values */
+ /* TODO: Flow director limit, DCB etc */
+
+ /* use rss_reconfig to rebuild with new queue count and update traffic
+ * class queue mapping
+ */
+ new_count = i40e_reconfig_rss_queues(pf, count);
+ if (new_count > 0)
+ return 0;
+ else
+ return -EINVAL;
+}
+
+#define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
+/**
+ * i40e_get_rxfh_key_size - get the RSS hash key size
+ * @netdev: network interface device structure
+ *
+ * Returns the table size.
+ **/
+static u32 i40e_get_rxfh_key_size(struct net_device *netdev)
+{
+ return I40E_HKEY_ARRAY_SIZE;
+}
+
+/**
+ * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size
+ * @netdev: network interface device structure
+ *
+ * Returns the table size.
+ **/
+static u32 i40e_get_rxfh_indir_size(struct net_device *netdev)
+{
+ return I40E_HLUT_ARRAY_SIZE;
+}
+
+static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
+ u8 *hfunc)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_vsi *vsi = np->vsi;
+ struct i40e_pf *pf = vsi->back;
+ struct i40e_hw *hw = &pf->hw;
+ u32 reg_val;
+ int i, j;
+
+ if (hfunc)
+ *hfunc = ETH_RSS_HASH_TOP;
+
+ if (!indir)
+ return 0;
+
+ for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) {
+ reg_val = rd32(hw, I40E_PFQF_HLUT(i));
+ indir[j++] = reg_val & 0xff;
+ indir[j++] = (reg_val >> 8) & 0xff;
+ indir[j++] = (reg_val >> 16) & 0xff;
+ indir[j++] = (reg_val >> 24) & 0xff;
+ }
+
+ if (key) {
+ for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) {
+ reg_val = rd32(hw, I40E_PFQF_HKEY(i));
+ key[j++] = (u8)(reg_val & 0xff);
+ key[j++] = (u8)((reg_val >> 8) & 0xff);
+ key[j++] = (u8)((reg_val >> 16) & 0xff);
+ key[j++] = (u8)((reg_val >> 24) & 0xff);
+ }
+ }
+ return 0;
+}
+
+/**
+ * i40e_set_rxfh - set the rx flow hash indirection table
+ * @netdev: network interface device structure
+ * @indir: indirection table
+ * @key: hash key
+ *
+ * Returns -EINVAL if the table specifies an inavlid queue id, otherwise
+ * returns 0 after programming the table.
+ **/
+static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir,
+ const u8 *key, const u8 hfunc)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_vsi *vsi = np->vsi;
+ struct i40e_pf *pf = vsi->back;
+ struct i40e_hw *hw = &pf->hw;
+ u32 reg_val;
+ int i, j;
+
+ if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
+ return -EOPNOTSUPP;
+
+ if (!indir)
+ return 0;
+
+ for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) {
+ reg_val = indir[j++];
+ reg_val |= indir[j++] << 8;
+ reg_val |= indir[j++] << 16;
+ reg_val |= indir[j++] << 24;
+ wr32(hw, I40E_PFQF_HLUT(i), reg_val);
+ }
+
+ if (key) {
+ for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) {
+ reg_val = key[j++];
+ reg_val |= key[j++] << 8;
+ reg_val |= key[j++] << 16;
+ reg_val |= key[j++] << 24;
+ wr32(hw, I40E_PFQF_HKEY(i), reg_val);
+ }
+ }
+ return 0;
+}
+
+/**
+ * i40e_get_priv_flags - report device private flags
+ * @dev: network interface device structure
+ *
+ * The get string set count and the string set should be matched for each
+ * flag returned. Add new strings for each flag to the i40e_priv_flags_strings
+ * array.
+ *
+ * Returns a u32 bitmap of flags.
+ **/
+static u32 i40e_get_priv_flags(struct net_device *dev)
+{
+ struct i40e_netdev_priv *np = netdev_priv(dev);
+ struct i40e_vsi *vsi = np->vsi;
+ struct i40e_pf *pf = vsi->back;
+ u32 ret_flags = 0;
+
+ ret_flags |= pf->hw.func_caps.npar_enable ?
+ I40E_PRIV_FLAGS_NPAR_FLAG : 0;
+
+ return ret_flags;
+}
+
+static const struct ethtool_ops i40e_ethtool_ops = {
+ .get_settings = i40e_get_settings,
+ .set_settings = i40e_set_settings,
+ .get_drvinfo = i40e_get_drvinfo,
+ .get_regs_len = i40e_get_regs_len,
+ .get_regs = i40e_get_regs,
+ .nway_reset = i40e_nway_reset,
+ .get_link = ethtool_op_get_link,
+ .get_wol = i40e_get_wol,
+ .set_wol = i40e_set_wol,
+ .set_eeprom = i40e_set_eeprom,
+ .get_eeprom_len = i40e_get_eeprom_len,
+ .get_eeprom = i40e_get_eeprom,
+ .get_ringparam = i40e_get_ringparam,
+ .set_ringparam = i40e_set_ringparam,
+ .get_pauseparam = i40e_get_pauseparam,
+ .set_pauseparam = i40e_set_pauseparam,
+ .get_msglevel = i40e_get_msglevel,
+ .set_msglevel = i40e_set_msglevel,
+ .get_rxnfc = i40e_get_rxnfc,
+ .set_rxnfc = i40e_set_rxnfc,
+ .self_test = i40e_diag_test,
+ .get_strings = i40e_get_strings,
+ .set_phys_id = i40e_set_phys_id,
+ .get_sset_count = i40e_get_sset_count,
+ .get_ethtool_stats = i40e_get_ethtool_stats,
+ .get_coalesce = i40e_get_coalesce,
+ .set_coalesce = i40e_set_coalesce,
+ .get_rxfh_key_size = i40e_get_rxfh_key_size,
+ .get_rxfh_indir_size = i40e_get_rxfh_indir_size,
+ .get_rxfh = i40e_get_rxfh,
+ .set_rxfh = i40e_set_rxfh,
+ .get_channels = i40e_get_channels,
+ .set_channels = i40e_set_channels,
+ .get_ts_info = i40e_get_ts_info,
+ .get_priv_flags = i40e_get_priv_flags,
+};
+
+void i40e_set_ethtool_ops(struct net_device *netdev)
+{
+ netdev->ethtool_ops = &i40e_ethtool_ops;
+}
Code Review / kvmfornfv.git / blobdiff