/******************************************************************************* * * 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 . * * The full GNU General Public License is included in this distribution in * the file called "COPYING". * * Contact Information: * e1000-devel Mailing List * 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), I40E_VSI_STAT("tx_linearize", tx_linearize), I40E_VSI_STAT("tx_force_wb", tx_force_wb), }; /* 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("rx_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_atr_tunnel_match", stats.fd_atr_tunnel_match), I40E_PF_STAT("fdir_atr_status", stats.fd_atr_status), I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match), I40E_PF_STAT("fdir_sb_status", stats.fd_sb_status), /* 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_TC_STATS_LEN ( \ (FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_packets) + \ FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_bytes) + \ FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_packets) + \ FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_bytes)) \ / sizeof(u64)) #define I40E_VEB_STATS_LEN ARRAY_SIZE(i40e_gstrings_veb_stats) #define I40E_VEB_STATS_TOTAL (I40E_VEB_STATS_LEN + I40E_VEB_TC_STATS_LEN) #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", "LinkPolling", "flow-director-atr", "veb-stats", "packet-split", }; #define I40E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_priv_flags_strings) /** * 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_pf *pf) { 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_SR4: ecmd->supported = SUPPORTED_40000baseSR4_Full; break; case I40E_PHY_TYPE_40GBASE_LR4: ecmd->supported = SUPPORTED_40000baseLR4_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; if (hw_link_info->module_type[2] & I40E_MODULE_TYPE_1000BASE_SX || hw_link_info->module_type[2] & I40E_MODULE_TYPE_1000BASE_LX) { ecmd->supported |= SUPPORTED_1000baseT_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_10GB) ecmd->advertising |= ADVERTISED_10000baseT_Full; break; case I40E_PHY_TYPE_10GBASE_T: case I40E_PHY_TYPE_1000BASE_T: ecmd->supported = SUPPORTED_Autoneg | SUPPORTED_10000baseT_Full | SUPPORTED_1000baseT_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; break; case I40E_PHY_TYPE_1000BASE_T_OPTICAL: ecmd->supported = SUPPORTED_Autoneg | SUPPORTED_1000baseT_Full; ecmd->advertising = ADVERTISED_Autoneg | ADVERTISED_1000baseT_Full; break; case I40E_PHY_TYPE_100BASE_TX: ecmd->supported = SUPPORTED_Autoneg | SUPPORTED_100baseT_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; if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) ecmd->advertising |= ADVERTISED_1000baseT_Full; if (pf->hw.mac.type == I40E_MAC_X722) { ecmd->supported |= SUPPORTED_100baseT_Full; if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB) ecmd->advertising |= ADVERTISED_100baseT_Full; } break; /* Backplane is set based on supported phy types in get_settings * so don't set anything here but don't warn either */ case I40E_PHY_TYPE_40GBASE_KR4: case I40E_PHY_TYPE_20GBASE_KR2: case I40E_PHY_TYPE_10GBASE_KR: case I40E_PHY_TYPE_10GBASE_KX4: case I40E_PHY_TYPE_1000BASE_KX: 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_pf *pf) { enum i40e_aq_capabilities_phy_type phy_types = hw->phy.phy_types; /* link is down and the driver needs to fall back on * supported phy types to figure out what info to display */ ecmd->supported = 0x0; ecmd->advertising = 0x0; if (phy_types & I40E_CAP_PHY_TYPE_SGMII) { ecmd->supported |= SUPPORTED_Autoneg | SUPPORTED_1000baseT_Full; ecmd->advertising |= ADVERTISED_Autoneg | ADVERTISED_1000baseT_Full; if (pf->hw.mac.type == I40E_MAC_X722) { ecmd->supported |= SUPPORTED_100baseT_Full; ecmd->advertising |= ADVERTISED_100baseT_Full; } } if (phy_types & I40E_CAP_PHY_TYPE_XAUI || phy_types & I40E_CAP_PHY_TYPE_XFI || phy_types & I40E_CAP_PHY_TYPE_SFI || phy_types & I40E_CAP_PHY_TYPE_10GBASE_SFPP_CU || phy_types & I40E_CAP_PHY_TYPE_10GBASE_AOC) ecmd->supported |= SUPPORTED_10000baseT_Full; if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1_CU || phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1 || phy_types & I40E_CAP_PHY_TYPE_10GBASE_T || phy_types & I40E_CAP_PHY_TYPE_10GBASE_SR || phy_types & I40E_CAP_PHY_TYPE_10GBASE_LR) { ecmd->supported |= SUPPORTED_Autoneg | SUPPORTED_10000baseT_Full; ecmd->advertising |= ADVERTISED_Autoneg | ADVERTISED_10000baseT_Full; } if (phy_types & I40E_CAP_PHY_TYPE_XLAUI || phy_types & I40E_CAP_PHY_TYPE_XLPPI || phy_types & I40E_CAP_PHY_TYPE_40GBASE_AOC) ecmd->supported |= SUPPORTED_40000baseCR4_Full; if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4_CU || phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4) { ecmd->supported |= SUPPORTED_Autoneg | SUPPORTED_40000baseCR4_Full; ecmd->advertising |= ADVERTISED_Autoneg | ADVERTISED_40000baseCR4_Full; } if ((phy_types & I40E_CAP_PHY_TYPE_100BASE_TX) && !(phy_types & I40E_CAP_PHY_TYPE_1000BASE_T)) { ecmd->supported |= SUPPORTED_Autoneg | SUPPORTED_100baseT_Full; ecmd->advertising |= ADVERTISED_Autoneg | ADVERTISED_100baseT_Full; } if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_T || phy_types & I40E_CAP_PHY_TYPE_1000BASE_SX || phy_types & I40E_CAP_PHY_TYPE_1000BASE_LX || phy_types & I40E_CAP_PHY_TYPE_1000BASE_T_OPTICAL) { ecmd->supported |= SUPPORTED_Autoneg | SUPPORTED_1000baseT_Full; ecmd->advertising |= ADVERTISED_Autoneg | ADVERTISED_1000baseT_Full; } if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_SR4) ecmd->supported |= SUPPORTED_40000baseSR4_Full; if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_LR4) ecmd->supported |= SUPPORTED_40000baseLR4_Full; /* 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, pf); else i40e_get_settings_link_down(hw, ecmd, pf); /* Now set the settings that don't rely on link being up/down */ /* For backplane, supported and advertised are only reliant on the * phy types the NVM specifies are supported. */ if (hw->device_id == I40E_DEV_ID_KX_B || hw->device_id == I40E_DEV_ID_KX_C || hw->device_id == I40E_DEV_ID_20G_KR2 || hw->device_id == I40E_DEV_ID_20G_KR2_A) { ecmd->supported = SUPPORTED_Autoneg; ecmd->advertising = ADVERTISED_Autoneg; if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_40GBASE_KR4) { ecmd->supported |= SUPPORTED_40000baseKR4_Full; ecmd->advertising |= ADVERTISED_40000baseKR4_Full; } if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_20GBASE_KR2) { ecmd->supported |= SUPPORTED_20000baseKR2_Full; ecmd->advertising |= ADVERTISED_20000baseKR2_Full; } if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_10GBASE_KR) { ecmd->supported |= SUPPORTED_10000baseKR_Full; ecmd->advertising |= ADVERTISED_10000baseKR_Full; } if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_10GBASE_KX4) { ecmd->supported |= SUPPORTED_10000baseKX4_Full; ecmd->advertising |= ADVERTISED_10000baseKX4_Full; } if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_1000BASE_KX) { ecmd->supported |= SUPPORTED_1000baseKX_Full; ecmd->advertising |= ADVERTISED_1000baseKX_Full; } } /* 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; if (hw->device_id == I40E_DEV_ID_KX_B || hw->device_id == I40E_DEV_ID_KX_C || hw->device_id == I40E_DEV_ID_20G_KR2 || hw->device_id == I40E_DEV_ID_20G_KR2_A) { netdev_info(netdev, "Changing settings is not supported on backplane.\n"); 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 was not already enabled */ if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) { /* 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; } /* Autoneg is allowed to change */ config.abilities = abilities.abilities | I40E_AQ_PHY_ENABLE_AN; change = true; } } else { /* If autoneg is currently enabled */ if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) { /* 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; } /* Autoneg is allowed to change */ 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 speed didn't get set, set it to what it currently is. * This is needed because if advertise is 0 (as it is when autoneg * is disabled) then speed won't get set. */ if (!config.link_speed) config.link_speed = abilities.link_speed; 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 */ i40e_print_link_message(vsi, false); 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, err %s aq_err %s\n", i40e_stat_str(hw, status), i40e_aq_str(hw, hw->aq.asq_last_status)); return -EAGAIN; } status = i40e_update_link_info(hw); if (status) netdev_dbg(netdev, "Updating link info failed with err %s aq_err %s\n", i40e_stat_str(hw, status), i40e_aq_str(hw, hw->aq.asq_last_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, err %s aq_err %s\n", i40e_stat_str(hw, ret), i40e_aq_str(hw, 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 autoneg \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 */ i40e_print_link_message(vsi, false); 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 err %s aq_err %s\n", i40e_stat_str(hw, status), i40e_aq_str(hw, 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 err %s aq_err %s\n", i40e_stat_str(hw, status), i40e_aq_str(hw, 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 err %s aq_err %s\n", i40e_stat_str(hw, status), i40e_aq_str(hw, 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->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) * BIT(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->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_nvm_version_str(&pf->hw), sizeof(drvinfo->fw_version)); strlcpy(drvinfo->bus_info, pci_name(pf->pdev), sizeof(drvinfo->bus_info)); } 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; /* the desc and bi pointers will be reallocated in the * setup call */ tx_rings[i].desc = NULL; tx_rings[i].rx_bi = NULL; 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; /* the desc and bi pointers will be reallocated in the * setup call */ rx_rings[i].desc = NULL; rx_rings[i].rx_bi = NULL; 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) && (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) len += I40E_VEB_STATS_TOTAL; 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) && (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) { 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_MAX_TRAFFIC_CLASS; j++) { data[i++] = veb->tc_stats.tc_tx_packets[j]; data[i++] = veb->tc_stats.tc_tx_bytes[j]; data[i++] = veb->tc_stats.tc_rx_packets[j]; data[i++] = veb->tc_stats.tc_rx_bytes[j]; } } 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) && (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) { 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_MAX_TRAFFIC_CLASS; i++) { snprintf(p, ETH_GSTRING_LEN, "veb.tc_%u_tx_packets", i); p += ETH_GSTRING_LEN; snprintf(p, ETH_GSTRING_LEN, "veb.tc_%u_tx_bytes", i); p += ETH_GSTRING_LEN; snprintf(p, ETH_GSTRING_LEN, "veb.tc_%u_rx_packets", i); p += ETH_GSTRING_LEN; snprintf(p, ETH_GSTRING_LEN, "veb.tc_%u_rx_bytes", i); 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 = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT) | BIT(HWTSTAMP_FILTER_PTP_V2_EVENT); 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; i40e_status status; bool link_up = false; netif_info(pf, hw, netdev, "link test\n"); status = i40e_get_link_status(&pf->hw, &link_up); if (status) { netif_err(pf, drv, netdev, "link query timed out, please retry test\n"); *data = 1; return *data; } if (link_up) *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 inline bool i40e_active_vfs(struct i40e_pf *pf) { struct i40e_vf *vfs = pf->vf; int i; for (i = 0; i < pf->num_alloc_vfs; i++) if (test_bit(I40E_VF_STAT_ACTIVE, &vfs[i].vf_states)) return true; return false; } static inline bool i40e_active_vmdqs(struct i40e_pf *pf) { struct i40e_vsi **vsi = pf->vsi; int i; for (i = 0; i < pf->num_alloc_vsi; i++) { if (!vsi[i]) continue; if (vsi[i]->type == I40E_VSI_VMDQ2) return true; } return false; } 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 (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) { dev_warn(&pf->pdev->dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); data[I40E_ETH_TEST_REG] = 1; data[I40E_ETH_TEST_EEPROM] = 1; data[I40E_ETH_TEST_INTR] = 1; data[I40E_ETH_TEST_LOOPBACK] = 1; data[I40E_ETH_TEST_LINK] = 1; eth_test->flags |= ETH_TEST_FL_FAILED; clear_bit(__I40E_TESTING, &pf->state); goto skip_ol_tests; } /* If the device is online then take it offline */ if (if_running) /* indicate we're in test mode */ dev_close(netdev); else /* This reset does not affect link - if it is * changed to a type of reset that does affect * link then the following link test would have * to be moved to before the reset */ i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED)); 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, BIT(__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; } skip_ol_tests: 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 ((BIT(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 (BIT(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; /* we use the _usecs_high to store/set the interrupt rate limit * that the hardware supports, that almost but not quite * fits the original intent of the ethtool variable, * the rx_coalesce_usecs_high limits total interrupts * per second from both tx/rx sources. */ ec->rx_coalesce_usecs_high = vsi->int_rate_limit; ec->tx_coalesce_usecs_high = vsi->int_rate_limit; 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; /* tx_coalesce_usecs_high is ignored, use rx-usecs-high instead */ if (ec->tx_coalesce_usecs_high != vsi->int_rate_limit) { netif_info(pf, drv, netdev, "tx-usecs-high is not used, please program rx-usecs-high\n"); return -EINVAL; } if (ec->rx_coalesce_usecs_high >= INTRL_REG_TO_USEC(I40E_MAX_INTRL)) { netif_info(pf, drv, netdev, "Invalid value, rx-usecs-high range is 0-235\n"); return -EINVAL; } 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; } vsi->int_rate_limit = ec->rx_coalesce_usecs_high; 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++) { u16 intrl = INTRL_USEC_TO_REG(vsi->int_rate_limit); 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); wr32(hw, I40E_PFINT_RATEN(vector - 1), intrl); 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->num_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 &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP); break; case (RXH_L4_B_0_1 | RXH_L4_B_2_3): hena |= BIT_ULL(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 &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP); break; case (RXH_L4_B_0_1 | RXH_L4_B_2_3): hena |= BIT_ULL(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 &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) | BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4)); break; case (RXH_L4_B_0_1 | RXH_L4_B_2_3): hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) | BIT_ULL(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 &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) | BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6)); break; case (RXH_L4_B_0_1 | RXH_L4_B_2_3): hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) | BIT_ULL(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 |= BIT_ULL(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 |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER); break; case IPV4_FLOW: hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) | BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4); break; case IPV6_FLOW: hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) | BIT_ULL(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 = I40E_FD_SB_STAT_IDX(pf->hw.pf_id); 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; } /** * 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; u8 *lut, *seed = NULL; int ret; u16 i; if (hfunc) *hfunc = ETH_RSS_HASH_TOP; if (!indir) return 0; seed = key; lut = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL); if (!lut) return -ENOMEM; ret = i40e_get_rss(vsi, seed, lut, I40E_HLUT_ARRAY_SIZE); if (ret) goto out; for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++) indir[i] = (u32)(lut[i]); out: kfree(lut); return ret; } /** * 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 invalid 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; u8 *seed = NULL; u16 i; if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) return -EOPNOTSUPP; if (!indir) return 0; if (key) { if (!vsi->rss_hkey_user) { vsi->rss_hkey_user = kzalloc(I40E_HKEY_ARRAY_SIZE, GFP_KERNEL); if (!vsi->rss_hkey_user) return -ENOMEM; } memcpy(vsi->rss_hkey_user, key, I40E_HKEY_ARRAY_SIZE); seed = vsi->rss_hkey_user; } if (!vsi->rss_lut_user) { vsi->rss_lut_user = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL); if (!vsi->rss_lut_user) return -ENOMEM; } /* Each 32 bits pointed by 'indir' is stored with a lut entry */ for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++) vsi->rss_lut_user[i] = (u8)(indir[i]); return i40e_config_rss(vsi, seed, vsi->rss_lut_user, I40E_HLUT_ARRAY_SIZE); } /** * 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; ret_flags |= pf->flags & I40E_FLAG_LINK_POLLING_ENABLED ? I40E_PRIV_FLAGS_LINKPOLL_FLAG : 0; ret_flags |= pf->flags & I40E_FLAG_FD_ATR_ENABLED ? I40E_PRIV_FLAGS_FD_ATR : 0; ret_flags |= pf->flags & I40E_FLAG_VEB_STATS_ENABLED ? I40E_PRIV_FLAGS_VEB_STATS : 0; ret_flags |= pf->flags & I40E_FLAG_RX_PS_ENABLED ? I40E_PRIV_FLAGS_PS : 0; return ret_flags; } /** * i40e_set_priv_flags - set private flags * @dev: network interface device structure * @flags: bit flags to be set **/ static int i40e_set_priv_flags(struct net_device *dev, u32 flags) { struct i40e_netdev_priv *np = netdev_priv(dev); struct i40e_vsi *vsi = np->vsi; struct i40e_pf *pf = vsi->back; bool reset_required = false; /* NOTE: MFP is not settable */ /* allow the user to control the method of receive * buffer DMA, whether the packet is split at header * boundaries into two separate buffers. In some cases * one routine or the other will perform better. */ if ((flags & I40E_PRIV_FLAGS_PS) && !(pf->flags & I40E_FLAG_RX_PS_ENABLED)) { pf->flags |= I40E_FLAG_RX_PS_ENABLED; pf->flags &= ~I40E_FLAG_RX_1BUF_ENABLED; reset_required = true; } else if (!(flags & I40E_PRIV_FLAGS_PS) && (pf->flags & I40E_FLAG_RX_PS_ENABLED)) { pf->flags &= ~I40E_FLAG_RX_PS_ENABLED; pf->flags |= I40E_FLAG_RX_1BUF_ENABLED; reset_required = true; } if (flags & I40E_PRIV_FLAGS_LINKPOLL_FLAG) pf->flags |= I40E_FLAG_LINK_POLLING_ENABLED; else pf->flags &= ~I40E_FLAG_LINK_POLLING_ENABLED; /* allow the user to control the state of the Flow * Director ATR (Application Targeted Routing) feature * of the driver */ if (flags & I40E_PRIV_FLAGS_FD_ATR) { pf->flags |= I40E_FLAG_FD_ATR_ENABLED; } else { pf->flags &= ~I40E_FLAG_FD_ATR_ENABLED; pf->auto_disable_flags |= I40E_FLAG_FD_ATR_ENABLED; } if (flags & I40E_PRIV_FLAGS_VEB_STATS) pf->flags |= I40E_FLAG_VEB_STATS_ENABLED; else pf->flags &= ~I40E_FLAG_VEB_STATS_ENABLED; /* if needed, issue reset to cause things to take effect */ if (reset_required) i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED)); return 0; } 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, .set_priv_flags = i40e_set_priv_flags, }; void i40e_set_ethtool_ops(struct net_device *netdev) { netdev->ethtool_ops = &i40e_ethtool_ops; }