| /******************************************************************************* |
| |
| Intel 10 Gigabit PCI Express Linux driver |
| Copyright(c) 1999 - 2010 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, write to the Free Software Foundation, Inc., |
| 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
| |
| 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 ixgbe */ |
| |
| #include <linux/types.h> |
| #include <linux/module.h> |
| #include <linux/slab.h> |
| #include <linux/pci.h> |
| #include <linux/netdevice.h> |
| #include <linux/ethtool.h> |
| #include <linux/vmalloc.h> |
| #include <linux/uaccess.h> |
| |
| #include "ixgbe.h" |
| |
| |
| #define IXGBE_ALL_RAR_ENTRIES 16 |
| |
| enum {NETDEV_STATS, IXGBE_STATS}; |
| |
| struct ixgbe_stats { |
| char stat_string[ETH_GSTRING_LEN]; |
| int type; |
| int sizeof_stat; |
| int stat_offset; |
| }; |
| |
| #define IXGBE_STAT(m) IXGBE_STATS, \ |
| sizeof(((struct ixgbe_adapter *)0)->m), \ |
| offsetof(struct ixgbe_adapter, m) |
| #define IXGBE_NETDEV_STAT(m) NETDEV_STATS, \ |
| sizeof(((struct rtnl_link_stats64 *)0)->m), \ |
| offsetof(struct rtnl_link_stats64, m) |
| |
| static struct ixgbe_stats ixgbe_gstrings_stats[] = { |
| {"rx_packets", IXGBE_NETDEV_STAT(rx_packets)}, |
| {"tx_packets", IXGBE_NETDEV_STAT(tx_packets)}, |
| {"rx_bytes", IXGBE_NETDEV_STAT(rx_bytes)}, |
| {"tx_bytes", IXGBE_NETDEV_STAT(tx_bytes)}, |
| {"rx_pkts_nic", IXGBE_STAT(stats.gprc)}, |
| {"tx_pkts_nic", IXGBE_STAT(stats.gptc)}, |
| {"rx_bytes_nic", IXGBE_STAT(stats.gorc)}, |
| {"tx_bytes_nic", IXGBE_STAT(stats.gotc)}, |
| {"lsc_int", IXGBE_STAT(lsc_int)}, |
| {"tx_busy", IXGBE_STAT(tx_busy)}, |
| {"non_eop_descs", IXGBE_STAT(non_eop_descs)}, |
| {"rx_errors", IXGBE_NETDEV_STAT(rx_errors)}, |
| {"tx_errors", IXGBE_NETDEV_STAT(tx_errors)}, |
| {"rx_dropped", IXGBE_NETDEV_STAT(rx_dropped)}, |
| {"tx_dropped", IXGBE_NETDEV_STAT(tx_dropped)}, |
| {"multicast", IXGBE_NETDEV_STAT(multicast)}, |
| {"broadcast", IXGBE_STAT(stats.bprc)}, |
| {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) }, |
| {"collisions", IXGBE_NETDEV_STAT(collisions)}, |
| {"rx_over_errors", IXGBE_NETDEV_STAT(rx_over_errors)}, |
| {"rx_crc_errors", IXGBE_NETDEV_STAT(rx_crc_errors)}, |
| {"rx_frame_errors", IXGBE_NETDEV_STAT(rx_frame_errors)}, |
| {"hw_rsc_aggregated", IXGBE_STAT(rsc_total_count)}, |
| {"hw_rsc_flushed", IXGBE_STAT(rsc_total_flush)}, |
| {"fdir_match", IXGBE_STAT(stats.fdirmatch)}, |
| {"fdir_miss", IXGBE_STAT(stats.fdirmiss)}, |
| {"rx_fifo_errors", IXGBE_NETDEV_STAT(rx_fifo_errors)}, |
| {"rx_missed_errors", IXGBE_NETDEV_STAT(rx_missed_errors)}, |
| {"tx_aborted_errors", IXGBE_NETDEV_STAT(tx_aborted_errors)}, |
| {"tx_carrier_errors", IXGBE_NETDEV_STAT(tx_carrier_errors)}, |
| {"tx_fifo_errors", IXGBE_NETDEV_STAT(tx_fifo_errors)}, |
| {"tx_heartbeat_errors", IXGBE_NETDEV_STAT(tx_heartbeat_errors)}, |
| {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)}, |
| {"tx_restart_queue", IXGBE_STAT(restart_queue)}, |
| {"rx_long_length_errors", IXGBE_STAT(stats.roc)}, |
| {"rx_short_length_errors", IXGBE_STAT(stats.ruc)}, |
| {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)}, |
| {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)}, |
| {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)}, |
| {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)}, |
| {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)}, |
| {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)}, |
| {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)}, |
| {"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)}, |
| #ifdef IXGBE_FCOE |
| {"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)}, |
| {"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)}, |
| {"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)}, |
| {"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)}, |
| {"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)}, |
| {"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)}, |
| #endif /* IXGBE_FCOE */ |
| }; |
| |
| #define IXGBE_QUEUE_STATS_LEN \ |
| ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \ |
| ((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \ |
| (sizeof(struct ixgbe_queue_stats) / sizeof(u64))) |
| #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats) |
| #define IXGBE_PB_STATS_LEN ( \ |
| (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \ |
| IXGBE_FLAG_DCB_ENABLED) ? \ |
| (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \ |
| sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \ |
| sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \ |
| sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \ |
| / sizeof(u64) : 0) |
| #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \ |
| IXGBE_PB_STATS_LEN + \ |
| IXGBE_QUEUE_STATS_LEN) |
| |
| static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = { |
| "Register test (offline)", "Eeprom test (offline)", |
| "Interrupt test (offline)", "Loopback test (offline)", |
| "Link test (on/offline)" |
| }; |
| #define IXGBE_TEST_LEN sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN |
| |
| static int ixgbe_get_settings(struct net_device *netdev, |
| struct ethtool_cmd *ecmd) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| struct ixgbe_hw *hw = &adapter->hw; |
| u32 link_speed = 0; |
| bool link_up; |
| |
| ecmd->supported = SUPPORTED_10000baseT_Full; |
| ecmd->autoneg = AUTONEG_ENABLE; |
| ecmd->transceiver = XCVR_EXTERNAL; |
| if ((hw->phy.media_type == ixgbe_media_type_copper) || |
| (hw->phy.multispeed_fiber)) { |
| ecmd->supported |= (SUPPORTED_1000baseT_Full | |
| SUPPORTED_Autoneg); |
| |
| ecmd->advertising = ADVERTISED_Autoneg; |
| if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL) |
| ecmd->advertising |= ADVERTISED_10000baseT_Full; |
| if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL) |
| ecmd->advertising |= ADVERTISED_1000baseT_Full; |
| /* |
| * It's possible that phy.autoneg_advertised may not be |
| * set yet. If so display what the default would be - |
| * both 1G and 10G supported. |
| */ |
| if (!(ecmd->advertising & (ADVERTISED_1000baseT_Full | |
| ADVERTISED_10000baseT_Full))) |
| ecmd->advertising |= (ADVERTISED_10000baseT_Full | |
| ADVERTISED_1000baseT_Full); |
| |
| if (hw->phy.media_type == ixgbe_media_type_copper) { |
| ecmd->supported |= SUPPORTED_TP; |
| ecmd->advertising |= ADVERTISED_TP; |
| ecmd->port = PORT_TP; |
| } else { |
| ecmd->supported |= SUPPORTED_FIBRE; |
| ecmd->advertising |= ADVERTISED_FIBRE; |
| ecmd->port = PORT_FIBRE; |
| } |
| } else if (hw->phy.media_type == ixgbe_media_type_backplane) { |
| /* Set as FIBRE until SERDES defined in kernel */ |
| if (hw->device_id == IXGBE_DEV_ID_82598_BX) { |
| ecmd->supported = (SUPPORTED_1000baseT_Full | |
| SUPPORTED_FIBRE); |
| ecmd->advertising = (ADVERTISED_1000baseT_Full | |
| ADVERTISED_FIBRE); |
| ecmd->port = PORT_FIBRE; |
| ecmd->autoneg = AUTONEG_DISABLE; |
| } else if ((hw->device_id == IXGBE_DEV_ID_82599_COMBO_BACKPLANE) || |
| (hw->device_id == IXGBE_DEV_ID_82599_KX4_MEZZ)) { |
| ecmd->supported |= (SUPPORTED_1000baseT_Full | |
| SUPPORTED_Autoneg | |
| SUPPORTED_FIBRE); |
| ecmd->advertising = (ADVERTISED_10000baseT_Full | |
| ADVERTISED_1000baseT_Full | |
| ADVERTISED_Autoneg | |
| ADVERTISED_FIBRE); |
| ecmd->port = PORT_FIBRE; |
| } else { |
| ecmd->supported |= (SUPPORTED_1000baseT_Full | |
| SUPPORTED_FIBRE); |
| ecmd->advertising = (ADVERTISED_10000baseT_Full | |
| ADVERTISED_1000baseT_Full | |
| ADVERTISED_FIBRE); |
| ecmd->port = PORT_FIBRE; |
| } |
| } else { |
| ecmd->supported |= SUPPORTED_FIBRE; |
| ecmd->advertising = (ADVERTISED_10000baseT_Full | |
| ADVERTISED_FIBRE); |
| ecmd->port = PORT_FIBRE; |
| ecmd->autoneg = AUTONEG_DISABLE; |
| } |
| |
| /* Get PHY type */ |
| switch (adapter->hw.phy.type) { |
| case ixgbe_phy_tn: |
| case ixgbe_phy_aq: |
| case ixgbe_phy_cu_unknown: |
| /* Copper 10G-BASET */ |
| ecmd->port = PORT_TP; |
| break; |
| case ixgbe_phy_qt: |
| ecmd->port = PORT_FIBRE; |
| break; |
| case ixgbe_phy_nl: |
| case ixgbe_phy_sfp_passive_tyco: |
| case ixgbe_phy_sfp_passive_unknown: |
| case ixgbe_phy_sfp_ftl: |
| case ixgbe_phy_sfp_avago: |
| case ixgbe_phy_sfp_intel: |
| case ixgbe_phy_sfp_unknown: |
| switch (adapter->hw.phy.sfp_type) { |
| /* SFP+ devices, further checking needed */ |
| case ixgbe_sfp_type_da_cu: |
| case ixgbe_sfp_type_da_cu_core0: |
| case ixgbe_sfp_type_da_cu_core1: |
| ecmd->port = PORT_DA; |
| break; |
| case ixgbe_sfp_type_sr: |
| case ixgbe_sfp_type_lr: |
| case ixgbe_sfp_type_srlr_core0: |
| case ixgbe_sfp_type_srlr_core1: |
| ecmd->port = PORT_FIBRE; |
| break; |
| case ixgbe_sfp_type_not_present: |
| ecmd->port = PORT_NONE; |
| break; |
| case ixgbe_sfp_type_1g_cu_core0: |
| case ixgbe_sfp_type_1g_cu_core1: |
| ecmd->port = PORT_TP; |
| ecmd->supported = SUPPORTED_TP; |
| ecmd->advertising = (ADVERTISED_1000baseT_Full | |
| ADVERTISED_TP); |
| break; |
| case ixgbe_sfp_type_unknown: |
| default: |
| ecmd->port = PORT_OTHER; |
| break; |
| } |
| break; |
| case ixgbe_phy_xaui: |
| ecmd->port = PORT_NONE; |
| break; |
| case ixgbe_phy_unknown: |
| case ixgbe_phy_generic: |
| case ixgbe_phy_sfp_unsupported: |
| default: |
| ecmd->port = PORT_OTHER; |
| break; |
| } |
| |
| hw->mac.ops.check_link(hw, &link_speed, &link_up, false); |
| if (link_up) { |
| ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ? |
| SPEED_10000 : SPEED_1000; |
| ecmd->duplex = DUPLEX_FULL; |
| } else { |
| ecmd->speed = -1; |
| ecmd->duplex = -1; |
| } |
| |
| return 0; |
| } |
| |
| static int ixgbe_set_settings(struct net_device *netdev, |
| struct ethtool_cmd *ecmd) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| struct ixgbe_hw *hw = &adapter->hw; |
| u32 advertised, old; |
| s32 err = 0; |
| |
| if ((hw->phy.media_type == ixgbe_media_type_copper) || |
| (hw->phy.multispeed_fiber)) { |
| /* 10000/copper and 1000/copper must autoneg |
| * this function does not support any duplex forcing, but can |
| * limit the advertising of the adapter to only 10000 or 1000 */ |
| if (ecmd->autoneg == AUTONEG_DISABLE) |
| return -EINVAL; |
| |
| old = hw->phy.autoneg_advertised; |
| advertised = 0; |
| if (ecmd->advertising & ADVERTISED_10000baseT_Full) |
| advertised |= IXGBE_LINK_SPEED_10GB_FULL; |
| |
| if (ecmd->advertising & ADVERTISED_1000baseT_Full) |
| advertised |= IXGBE_LINK_SPEED_1GB_FULL; |
| |
| if (old == advertised) |
| return err; |
| /* this sets the link speed and restarts auto-neg */ |
| hw->mac.autotry_restart = true; |
| err = hw->mac.ops.setup_link(hw, advertised, true, true); |
| if (err) { |
| e_info(probe, "setup link failed with code %d\n", err); |
| hw->mac.ops.setup_link(hw, old, true, true); |
| } |
| } else { |
| /* in this case we currently only support 10Gb/FULL */ |
| if ((ecmd->autoneg == AUTONEG_ENABLE) || |
| (ecmd->advertising != ADVERTISED_10000baseT_Full) || |
| (ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL)) |
| return -EINVAL; |
| } |
| |
| return err; |
| } |
| |
| static void ixgbe_get_pauseparam(struct net_device *netdev, |
| struct ethtool_pauseparam *pause) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| struct ixgbe_hw *hw = &adapter->hw; |
| |
| /* |
| * Flow Control Autoneg isn't on if |
| * - we didn't ask for it OR |
| * - it failed, we know this by tx & rx being off |
| */ |
| if (hw->fc.disable_fc_autoneg || |
| (hw->fc.current_mode == ixgbe_fc_none)) |
| pause->autoneg = 0; |
| else |
| pause->autoneg = 1; |
| |
| if (hw->fc.current_mode == ixgbe_fc_rx_pause) { |
| pause->rx_pause = 1; |
| } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) { |
| pause->tx_pause = 1; |
| } else if (hw->fc.current_mode == ixgbe_fc_full) { |
| pause->rx_pause = 1; |
| pause->tx_pause = 1; |
| #ifdef CONFIG_DCB |
| } else if (hw->fc.current_mode == ixgbe_fc_pfc) { |
| pause->rx_pause = 0; |
| pause->tx_pause = 0; |
| #endif |
| } |
| } |
| |
| static int ixgbe_set_pauseparam(struct net_device *netdev, |
| struct ethtool_pauseparam *pause) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| struct ixgbe_hw *hw = &adapter->hw; |
| struct ixgbe_fc_info fc; |
| |
| #ifdef CONFIG_DCB |
| if (adapter->dcb_cfg.pfc_mode_enable || |
| ((hw->mac.type == ixgbe_mac_82598EB) && |
| (adapter->flags & IXGBE_FLAG_DCB_ENABLED))) |
| return -EINVAL; |
| |
| #endif |
| fc = hw->fc; |
| |
| if (pause->autoneg != AUTONEG_ENABLE) |
| fc.disable_fc_autoneg = true; |
| else |
| fc.disable_fc_autoneg = false; |
| |
| if ((pause->rx_pause && pause->tx_pause) || pause->autoneg) |
| fc.requested_mode = ixgbe_fc_full; |
| else if (pause->rx_pause && !pause->tx_pause) |
| fc.requested_mode = ixgbe_fc_rx_pause; |
| else if (!pause->rx_pause && pause->tx_pause) |
| fc.requested_mode = ixgbe_fc_tx_pause; |
| else if (!pause->rx_pause && !pause->tx_pause) |
| fc.requested_mode = ixgbe_fc_none; |
| else |
| return -EINVAL; |
| |
| #ifdef CONFIG_DCB |
| adapter->last_lfc_mode = fc.requested_mode; |
| #endif |
| |
| /* if the thing changed then we'll update and use new autoneg */ |
| if (memcmp(&fc, &hw->fc, sizeof(struct ixgbe_fc_info))) { |
| hw->fc = fc; |
| if (netif_running(netdev)) |
| ixgbe_reinit_locked(adapter); |
| else |
| ixgbe_reset(adapter); |
| } |
| |
| return 0; |
| } |
| |
| static u32 ixgbe_get_rx_csum(struct net_device *netdev) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| return adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED; |
| } |
| |
| static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| if (data) |
| adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED; |
| else |
| adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED; |
| |
| return 0; |
| } |
| |
| static u32 ixgbe_get_tx_csum(struct net_device *netdev) |
| { |
| return (netdev->features & NETIF_F_IP_CSUM) != 0; |
| } |
| |
| static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| u32 feature_list; |
| |
| feature_list = (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); |
| switch (adapter->hw.mac.type) { |
| case ixgbe_mac_82599EB: |
| case ixgbe_mac_X540: |
| feature_list |= NETIF_F_SCTP_CSUM; |
| break; |
| default: |
| break; |
| } |
| if (data) |
| netdev->features |= feature_list; |
| else |
| netdev->features &= ~feature_list; |
| |
| return 0; |
| } |
| |
| static int ixgbe_set_tso(struct net_device *netdev, u32 data) |
| { |
| if (data) { |
| netdev->features |= NETIF_F_TSO; |
| netdev->features |= NETIF_F_TSO6; |
| } else { |
| netdev->features &= ~NETIF_F_TSO; |
| netdev->features &= ~NETIF_F_TSO6; |
| } |
| return 0; |
| } |
| |
| static u32 ixgbe_get_msglevel(struct net_device *netdev) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| return adapter->msg_enable; |
| } |
| |
| static void ixgbe_set_msglevel(struct net_device *netdev, u32 data) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| adapter->msg_enable = data; |
| } |
| |
| static int ixgbe_get_regs_len(struct net_device *netdev) |
| { |
| #define IXGBE_REGS_LEN 1128 |
| return IXGBE_REGS_LEN * sizeof(u32); |
| } |
| |
| #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_ |
| |
| static void ixgbe_get_regs(struct net_device *netdev, |
| struct ethtool_regs *regs, void *p) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| struct ixgbe_hw *hw = &adapter->hw; |
| u32 *regs_buff = p; |
| u8 i; |
| |
| memset(p, 0, IXGBE_REGS_LEN * sizeof(u32)); |
| |
| regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id; |
| |
| /* General Registers */ |
| regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL); |
| regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS); |
| regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); |
| regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP); |
| regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP); |
| regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL); |
| regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER); |
| regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER); |
| |
| /* NVM Register */ |
| regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC); |
| regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD); |
| regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA); |
| regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL); |
| regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA); |
| regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL); |
| regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA); |
| regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT); |
| regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP); |
| regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC); |
| |
| /* Interrupt */ |
| /* don't read EICR because it can clear interrupt causes, instead |
| * read EICS which is a shadow but doesn't clear EICR */ |
| regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS); |
| regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS); |
| regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS); |
| regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC); |
| regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC); |
| regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM); |
| regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0)); |
| regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0)); |
| regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT); |
| regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA); |
| regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0)); |
| regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE); |
| |
| /* Flow Control */ |
| regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP); |
| regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0)); |
| regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1)); |
| regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2)); |
| regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3)); |
| for (i = 0; i < 8; i++) { |
| switch (hw->mac.type) { |
| case ixgbe_mac_82598EB: |
| regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i)); |
| regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i)); |
| break; |
| case ixgbe_mac_82599EB: |
| regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL_82599(i)); |
| regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH_82599(i)); |
| break; |
| default: |
| break; |
| } |
| } |
| regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV); |
| regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS); |
| |
| /* Receive DMA */ |
| for (i = 0; i < 64; i++) |
| regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i)); |
| for (i = 0; i < 64; i++) |
| regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i)); |
| for (i = 0; i < 64; i++) |
| regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i)); |
| for (i = 0; i < 64; i++) |
| regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i)); |
| for (i = 0; i < 64; i++) |
| regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i)); |
| for (i = 0; i < 64; i++) |
| regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i)); |
| for (i = 0; i < 16; i++) |
| regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i)); |
| for (i = 0; i < 16; i++) |
| regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i)); |
| regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL); |
| for (i = 0; i < 8; i++) |
| regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i)); |
| regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL); |
| regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN); |
| |
| /* Receive */ |
| regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM); |
| regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL); |
| for (i = 0; i < 16; i++) |
| regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i)); |
| for (i = 0; i < 16; i++) |
| regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i)); |
| regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0)); |
| regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL); |
| regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); |
| regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL); |
| regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC); |
| regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL); |
| for (i = 0; i < 8; i++) |
| regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i)); |
| for (i = 0; i < 8; i++) |
| regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i)); |
| regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP); |
| |
| /* Transmit */ |
| for (i = 0; i < 32; i++) |
| regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i)); |
| for (i = 0; i < 32; i++) |
| regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i)); |
| for (i = 0; i < 32; i++) |
| regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i)); |
| for (i = 0; i < 32; i++) |
| regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i)); |
| for (i = 0; i < 32; i++) |
| regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i)); |
| for (i = 0; i < 32; i++) |
| regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i)); |
| for (i = 0; i < 32; i++) |
| regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i)); |
| for (i = 0; i < 32; i++) |
| regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i)); |
| regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL); |
| for (i = 0; i < 16; i++) |
| regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i)); |
| regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG); |
| for (i = 0; i < 8; i++) |
| regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i)); |
| regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP); |
| |
| /* Wake Up */ |
| regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC); |
| regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC); |
| regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS); |
| regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV); |
| regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT); |
| regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT); |
| regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL); |
| regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM); |
| regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0)); |
| |
| /* DCB */ |
| regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS); |
| regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS); |
| regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS); |
| regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR); |
| for (i = 0; i < 8; i++) |
| regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i)); |
| for (i = 0; i < 8; i++) |
| regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i)); |
| for (i = 0; i < 8; i++) |
| regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i)); |
| for (i = 0; i < 8; i++) |
| regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i)); |
| for (i = 0; i < 8; i++) |
| regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i)); |
| for (i = 0; i < 8; i++) |
| regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i)); |
| |
| /* Statistics */ |
| regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs); |
| regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc); |
| regs_buff[883] = IXGBE_GET_STAT(adapter, errbc); |
| regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc); |
| for (i = 0; i < 8; i++) |
| regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]); |
| regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc); |
| regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc); |
| regs_buff[895] = IXGBE_GET_STAT(adapter, rlec); |
| regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc); |
| regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc); |
| regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc); |
| regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc); |
| for (i = 0; i < 8; i++) |
| regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]); |
| for (i = 0; i < 8; i++) |
| regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]); |
| for (i = 0; i < 8; i++) |
| regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]); |
| for (i = 0; i < 8; i++) |
| regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]); |
| regs_buff[932] = IXGBE_GET_STAT(adapter, prc64); |
| regs_buff[933] = IXGBE_GET_STAT(adapter, prc127); |
| regs_buff[934] = IXGBE_GET_STAT(adapter, prc255); |
| regs_buff[935] = IXGBE_GET_STAT(adapter, prc511); |
| regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023); |
| regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522); |
| regs_buff[938] = IXGBE_GET_STAT(adapter, gprc); |
| regs_buff[939] = IXGBE_GET_STAT(adapter, bprc); |
| regs_buff[940] = IXGBE_GET_STAT(adapter, mprc); |
| regs_buff[941] = IXGBE_GET_STAT(adapter, gptc); |
| regs_buff[942] = IXGBE_GET_STAT(adapter, gorc); |
| regs_buff[944] = IXGBE_GET_STAT(adapter, gotc); |
| for (i = 0; i < 8; i++) |
| regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]); |
| regs_buff[954] = IXGBE_GET_STAT(adapter, ruc); |
| regs_buff[955] = IXGBE_GET_STAT(adapter, rfc); |
| regs_buff[956] = IXGBE_GET_STAT(adapter, roc); |
| regs_buff[957] = IXGBE_GET_STAT(adapter, rjc); |
| regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc); |
| regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc); |
| regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc); |
| regs_buff[961] = IXGBE_GET_STAT(adapter, tor); |
| regs_buff[963] = IXGBE_GET_STAT(adapter, tpr); |
| regs_buff[964] = IXGBE_GET_STAT(adapter, tpt); |
| regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64); |
| regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127); |
| regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255); |
| regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511); |
| regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023); |
| regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522); |
| regs_buff[971] = IXGBE_GET_STAT(adapter, mptc); |
| regs_buff[972] = IXGBE_GET_STAT(adapter, bptc); |
| regs_buff[973] = IXGBE_GET_STAT(adapter, xec); |
| for (i = 0; i < 16; i++) |
| regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]); |
| for (i = 0; i < 16; i++) |
| regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]); |
| for (i = 0; i < 16; i++) |
| regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]); |
| for (i = 0; i < 16; i++) |
| regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]); |
| |
| /* MAC */ |
| regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG); |
| regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL); |
| regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA); |
| regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0); |
| regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1); |
| regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA); |
| regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP); |
| regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP); |
| regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP); |
| regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0); |
| regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1); |
| regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP); |
| regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA); |
| regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE); |
| regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD); |
| regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS); |
| regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA); |
| regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD); |
| regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD); |
| regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD); |
| regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG); |
| regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1); |
| regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2); |
| regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS); |
| regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC); |
| regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS); |
| regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC); |
| regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS); |
| regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2); |
| regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3); |
| regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1); |
| regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2); |
| regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL); |
| |
| /* Diagnostic */ |
| regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL); |
| for (i = 0; i < 8; i++) |
| regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i)); |
| regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN); |
| for (i = 0; i < 4; i++) |
| regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i)); |
| regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE); |
| regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL); |
| for (i = 0; i < 8; i++) |
| regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i)); |
| regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN); |
| for (i = 0; i < 4; i++) |
| regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i)); |
| regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE); |
| regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL); |
| regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0); |
| regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1); |
| regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2); |
| regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3); |
| regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL); |
| regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0); |
| regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1); |
| regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2); |
| regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3); |
| for (i = 0; i < 8; i++) |
| regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i)); |
| regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL); |
| regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1); |
| regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2); |
| regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1); |
| regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2); |
| regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS); |
| regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL); |
| regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC); |
| regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC); |
| } |
| |
| static int ixgbe_get_eeprom_len(struct net_device *netdev) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| return adapter->hw.eeprom.word_size * 2; |
| } |
| |
| static int ixgbe_get_eeprom(struct net_device *netdev, |
| struct ethtool_eeprom *eeprom, u8 *bytes) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| struct ixgbe_hw *hw = &adapter->hw; |
| u16 *eeprom_buff; |
| int first_word, last_word, eeprom_len; |
| int ret_val = 0; |
| u16 i; |
| |
| if (eeprom->len == 0) |
| return -EINVAL; |
| |
| eeprom->magic = hw->vendor_id | (hw->device_id << 16); |
| |
| first_word = eeprom->offset >> 1; |
| last_word = (eeprom->offset + eeprom->len - 1) >> 1; |
| eeprom_len = last_word - first_word + 1; |
| |
| eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL); |
| if (!eeprom_buff) |
| return -ENOMEM; |
| |
| for (i = 0; i < eeprom_len; i++) { |
| if ((ret_val = hw->eeprom.ops.read(hw, first_word + i, |
| &eeprom_buff[i]))) |
| break; |
| } |
| |
| /* Device's eeprom is always little-endian, word addressable */ |
| for (i = 0; i < eeprom_len; i++) |
| le16_to_cpus(&eeprom_buff[i]); |
| |
| memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len); |
| kfree(eeprom_buff); |
| |
| return ret_val; |
| } |
| |
| static void ixgbe_get_drvinfo(struct net_device *netdev, |
| struct ethtool_drvinfo *drvinfo) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| char firmware_version[32]; |
| |
| strncpy(drvinfo->driver, ixgbe_driver_name, sizeof(drvinfo->driver)); |
| strncpy(drvinfo->version, ixgbe_driver_version, |
| sizeof(drvinfo->version)); |
| |
| snprintf(firmware_version, sizeof(firmware_version), "%d.%d-%d", |
| (adapter->eeprom_version & 0xF000) >> 12, |
| (adapter->eeprom_version & 0x0FF0) >> 4, |
| adapter->eeprom_version & 0x000F); |
| |
| strncpy(drvinfo->fw_version, firmware_version, |
| sizeof(drvinfo->fw_version)); |
| strncpy(drvinfo->bus_info, pci_name(adapter->pdev), |
| sizeof(drvinfo->bus_info)); |
| drvinfo->n_stats = IXGBE_STATS_LEN; |
| drvinfo->testinfo_len = IXGBE_TEST_LEN; |
| drvinfo->regdump_len = ixgbe_get_regs_len(netdev); |
| } |
| |
| static void ixgbe_get_ringparam(struct net_device *netdev, |
| struct ethtool_ringparam *ring) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| struct ixgbe_ring *tx_ring = adapter->tx_ring[0]; |
| struct ixgbe_ring *rx_ring = adapter->rx_ring[0]; |
| |
| ring->rx_max_pending = IXGBE_MAX_RXD; |
| ring->tx_max_pending = IXGBE_MAX_TXD; |
| ring->rx_mini_max_pending = 0; |
| ring->rx_jumbo_max_pending = 0; |
| ring->rx_pending = rx_ring->count; |
| ring->tx_pending = tx_ring->count; |
| ring->rx_mini_pending = 0; |
| ring->rx_jumbo_pending = 0; |
| } |
| |
| static int ixgbe_set_ringparam(struct net_device *netdev, |
| struct ethtool_ringparam *ring) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| struct ixgbe_ring *temp_tx_ring, *temp_rx_ring; |
| int i, err = 0; |
| u32 new_rx_count, new_tx_count; |
| bool need_update = false; |
| |
| if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) |
| return -EINVAL; |
| |
| new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD); |
| new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD); |
| new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE); |
| |
| new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD); |
| new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD); |
| new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE); |
| |
| if ((new_tx_count == adapter->tx_ring[0]->count) && |
| (new_rx_count == adapter->rx_ring[0]->count)) { |
| /* nothing to do */ |
| return 0; |
| } |
| |
| while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state)) |
| msleep(1); |
| |
| if (!netif_running(adapter->netdev)) { |
| for (i = 0; i < adapter->num_tx_queues; i++) |
| adapter->tx_ring[i]->count = new_tx_count; |
| for (i = 0; i < adapter->num_rx_queues; i++) |
| adapter->rx_ring[i]->count = new_rx_count; |
| adapter->tx_ring_count = new_tx_count; |
| adapter->rx_ring_count = new_rx_count; |
| goto clear_reset; |
| } |
| |
| temp_tx_ring = vmalloc(adapter->num_tx_queues * sizeof(struct ixgbe_ring)); |
| if (!temp_tx_ring) { |
| err = -ENOMEM; |
| goto clear_reset; |
| } |
| |
| if (new_tx_count != adapter->tx_ring_count) { |
| for (i = 0; i < adapter->num_tx_queues; i++) { |
| memcpy(&temp_tx_ring[i], adapter->tx_ring[i], |
| sizeof(struct ixgbe_ring)); |
| temp_tx_ring[i].count = new_tx_count; |
| err = ixgbe_setup_tx_resources(&temp_tx_ring[i]); |
| if (err) { |
| while (i) { |
| i--; |
| ixgbe_free_tx_resources(&temp_tx_ring[i]); |
| } |
| goto clear_reset; |
| } |
| } |
| need_update = true; |
| } |
| |
| temp_rx_ring = vmalloc(adapter->num_rx_queues * sizeof(struct ixgbe_ring)); |
| if (!temp_rx_ring) { |
| err = -ENOMEM; |
| goto err_setup; |
| } |
| |
| if (new_rx_count != adapter->rx_ring_count) { |
| for (i = 0; i < adapter->num_rx_queues; i++) { |
| memcpy(&temp_rx_ring[i], adapter->rx_ring[i], |
| sizeof(struct ixgbe_ring)); |
| temp_rx_ring[i].count = new_rx_count; |
| err = ixgbe_setup_rx_resources(&temp_rx_ring[i]); |
| if (err) { |
| while (i) { |
| i--; |
| ixgbe_free_rx_resources(&temp_rx_ring[i]); |
| } |
| goto err_setup; |
| } |
| } |
| need_update = true; |
| } |
| |
| /* if rings need to be updated, here's the place to do it in one shot */ |
| if (need_update) { |
| ixgbe_down(adapter); |
| |
| /* tx */ |
| if (new_tx_count != adapter->tx_ring_count) { |
| for (i = 0; i < adapter->num_tx_queues; i++) { |
| ixgbe_free_tx_resources(adapter->tx_ring[i]); |
| memcpy(adapter->tx_ring[i], &temp_tx_ring[i], |
| sizeof(struct ixgbe_ring)); |
| } |
| adapter->tx_ring_count = new_tx_count; |
| } |
| |
| /* rx */ |
| if (new_rx_count != adapter->rx_ring_count) { |
| for (i = 0; i < adapter->num_rx_queues; i++) { |
| ixgbe_free_rx_resources(adapter->rx_ring[i]); |
| memcpy(adapter->rx_ring[i], &temp_rx_ring[i], |
| sizeof(struct ixgbe_ring)); |
| } |
| adapter->rx_ring_count = new_rx_count; |
| } |
| ixgbe_up(adapter); |
| } |
| |
| vfree(temp_rx_ring); |
| err_setup: |
| vfree(temp_tx_ring); |
| clear_reset: |
| clear_bit(__IXGBE_RESETTING, &adapter->state); |
| return err; |
| } |
| |
| static int ixgbe_get_sset_count(struct net_device *netdev, int sset) |
| { |
| switch (sset) { |
| case ETH_SS_TEST: |
| return IXGBE_TEST_LEN; |
| case ETH_SS_STATS: |
| return IXGBE_STATS_LEN; |
| case ETH_SS_NTUPLE_FILTERS: |
| return ETHTOOL_MAX_NTUPLE_LIST_ENTRY * |
| ETHTOOL_MAX_NTUPLE_STRING_PER_ENTRY; |
| default: |
| return -EOPNOTSUPP; |
| } |
| } |
| |
| static void ixgbe_get_ethtool_stats(struct net_device *netdev, |
| struct ethtool_stats *stats, u64 *data) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| struct rtnl_link_stats64 temp; |
| const struct rtnl_link_stats64 *net_stats; |
| unsigned int start; |
| struct ixgbe_ring *ring; |
| int i, j; |
| char *p = NULL; |
| |
| ixgbe_update_stats(adapter); |
| net_stats = dev_get_stats(netdev, &temp); |
| for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) { |
| switch (ixgbe_gstrings_stats[i].type) { |
| case NETDEV_STATS: |
| p = (char *) net_stats + |
| ixgbe_gstrings_stats[i].stat_offset; |
| break; |
| case IXGBE_STATS: |
| p = (char *) adapter + |
| ixgbe_gstrings_stats[i].stat_offset; |
| break; |
| } |
| |
| data[i] = (ixgbe_gstrings_stats[i].sizeof_stat == |
| sizeof(u64)) ? *(u64 *)p : *(u32 *)p; |
| } |
| for (j = 0; j < adapter->num_tx_queues; j++) { |
| ring = adapter->tx_ring[j]; |
| do { |
| start = u64_stats_fetch_begin_bh(&ring->syncp); |
| data[i] = ring->stats.packets; |
| data[i+1] = ring->stats.bytes; |
| } while (u64_stats_fetch_retry_bh(&ring->syncp, start)); |
| i += 2; |
| } |
| for (j = 0; j < adapter->num_rx_queues; j++) { |
| ring = adapter->rx_ring[j]; |
| do { |
| start = u64_stats_fetch_begin_bh(&ring->syncp); |
| data[i] = ring->stats.packets; |
| data[i+1] = ring->stats.bytes; |
| } while (u64_stats_fetch_retry_bh(&ring->syncp, start)); |
| i += 2; |
| } |
| if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { |
| for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) { |
| data[i++] = adapter->stats.pxontxc[j]; |
| data[i++] = adapter->stats.pxofftxc[j]; |
| } |
| for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) { |
| data[i++] = adapter->stats.pxonrxc[j]; |
| data[i++] = adapter->stats.pxoffrxc[j]; |
| } |
| } |
| } |
| |
| static void ixgbe_get_strings(struct net_device *netdev, u32 stringset, |
| u8 *data) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| char *p = (char *)data; |
| int i; |
| |
| switch (stringset) { |
| case ETH_SS_TEST: |
| memcpy(data, *ixgbe_gstrings_test, |
| IXGBE_TEST_LEN * ETH_GSTRING_LEN); |
| break; |
| case ETH_SS_STATS: |
| for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) { |
| memcpy(p, ixgbe_gstrings_stats[i].stat_string, |
| ETH_GSTRING_LEN); |
| p += ETH_GSTRING_LEN; |
| } |
| for (i = 0; i < adapter->num_tx_queues; i++) { |
| sprintf(p, "tx_queue_%u_packets", i); |
| p += ETH_GSTRING_LEN; |
| sprintf(p, "tx_queue_%u_bytes", i); |
| p += ETH_GSTRING_LEN; |
| } |
| for (i = 0; i < adapter->num_rx_queues; i++) { |
| sprintf(p, "rx_queue_%u_packets", i); |
| p += ETH_GSTRING_LEN; |
| sprintf(p, "rx_queue_%u_bytes", i); |
| p += ETH_GSTRING_LEN; |
| } |
| if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { |
| for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) { |
| sprintf(p, "tx_pb_%u_pxon", i); |
| p += ETH_GSTRING_LEN; |
| sprintf(p, "tx_pb_%u_pxoff", i); |
| p += ETH_GSTRING_LEN; |
| } |
| for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) { |
| sprintf(p, "rx_pb_%u_pxon", i); |
| p += ETH_GSTRING_LEN; |
| sprintf(p, "rx_pb_%u_pxoff", i); |
| p += ETH_GSTRING_LEN; |
| } |
| } |
| /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */ |
| break; |
| } |
| } |
| |
| static int ixgbe_link_test(struct ixgbe_adapter *adapter, u64 *data) |
| { |
| struct ixgbe_hw *hw = &adapter->hw; |
| bool link_up; |
| u32 link_speed = 0; |
| *data = 0; |
| |
| hw->mac.ops.check_link(hw, &link_speed, &link_up, true); |
| if (link_up) |
| return *data; |
| else |
| *data = 1; |
| return *data; |
| } |
| |
| /* ethtool register test data */ |
| struct ixgbe_reg_test { |
| u16 reg; |
| u8 array_len; |
| u8 test_type; |
| u32 mask; |
| u32 write; |
| }; |
| |
| /* In the hardware, registers are laid out either singly, in arrays |
| * spaced 0x40 bytes apart, or in contiguous tables. We assume |
| * most tests take place on arrays or single registers (handled |
| * as a single-element array) and special-case the tables. |
| * Table tests are always pattern tests. |
| * |
| * We also make provision for some required setup steps by specifying |
| * registers to be written without any read-back testing. |
| */ |
| |
| #define PATTERN_TEST 1 |
| #define SET_READ_TEST 2 |
| #define WRITE_NO_TEST 3 |
| #define TABLE32_TEST 4 |
| #define TABLE64_TEST_LO 5 |
| #define TABLE64_TEST_HI 6 |
| |
| /* default 82599 register test */ |
| static const struct ixgbe_reg_test reg_test_82599[] = { |
| { IXGBE_FCRTL_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 }, |
| { IXGBE_FCRTH_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 }, |
| { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, |
| { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 }, |
| { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 }, |
| { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, |
| { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF }, |
| { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE }, |
| { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF }, |
| { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 }, |
| { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 }, |
| { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, |
| { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF }, |
| { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, |
| { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFF80 }, |
| { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000001, 0x00000001 }, |
| { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF }, |
| { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x8001FFFF, 0x800CFFFF }, |
| { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, |
| { 0, 0, 0, 0 } |
| }; |
| |
| /* default 82598 register test */ |
| static const struct ixgbe_reg_test reg_test_82598[] = { |
| { IXGBE_FCRTL(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 }, |
| { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 }, |
| { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, |
| { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 }, |
| { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF }, |
| { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, |
| { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF }, |
| /* Enable all four RX queues before testing. */ |
| { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE }, |
| /* RDH is read-only for 82598, only test RDT. */ |
| { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF }, |
| { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 }, |
| { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 }, |
| { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, |
| { IXGBE_TIPG, 1, PATTERN_TEST, 0x000000FF, 0x000000FF }, |
| { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF }, |
| { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, |
| { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF }, |
| { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000003, 0x00000003 }, |
| { IXGBE_DTXCTL, 1, SET_READ_TEST, 0x00000005, 0x00000005 }, |
| { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF }, |
| { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x800CFFFF, 0x800CFFFF }, |
| { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, |
| { 0, 0, 0, 0 } |
| }; |
| |
| static const u32 register_test_patterns[] = { |
| 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF |
| }; |
| |
| #define REG_PATTERN_TEST(R, M, W) \ |
| { \ |
| u32 pat, val, before; \ |
| for (pat = 0; pat < ARRAY_SIZE(register_test_patterns); pat++) { \ |
| before = readl(adapter->hw.hw_addr + R); \ |
| writel((register_test_patterns[pat] & W), \ |
| (adapter->hw.hw_addr + R)); \ |
| val = readl(adapter->hw.hw_addr + R); \ |
| if (val != (register_test_patterns[pat] & W & M)) { \ |
| e_err(drv, "pattern test reg %04X failed: got " \ |
| "0x%08X expected 0x%08X\n", \ |
| R, val, (register_test_patterns[pat] & W & M)); \ |
| *data = R; \ |
| writel(before, adapter->hw.hw_addr + R); \ |
| return 1; \ |
| } \ |
| writel(before, adapter->hw.hw_addr + R); \ |
| } \ |
| } |
| |
| #define REG_SET_AND_CHECK(R, M, W) \ |
| { \ |
| u32 val, before; \ |
| before = readl(adapter->hw.hw_addr + R); \ |
| writel((W & M), (adapter->hw.hw_addr + R)); \ |
| val = readl(adapter->hw.hw_addr + R); \ |
| if ((W & M) != (val & M)) { \ |
| e_err(drv, "set/check reg %04X test failed: got 0x%08X " \ |
| "expected 0x%08X\n", R, (val & M), (W & M)); \ |
| *data = R; \ |
| writel(before, (adapter->hw.hw_addr + R)); \ |
| return 1; \ |
| } \ |
| writel(before, (adapter->hw.hw_addr + R)); \ |
| } |
| |
| static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data) |
| { |
| const struct ixgbe_reg_test *test; |
| u32 value, before, after; |
| u32 i, toggle; |
| |
| switch (adapter->hw.mac.type) { |
| case ixgbe_mac_82598EB: |
| toggle = 0x7FFFF3FF; |
| test = reg_test_82598; |
| break; |
| case ixgbe_mac_82599EB: |
| case ixgbe_mac_X540: |
| toggle = 0x7FFFF30F; |
| test = reg_test_82599; |
| break; |
| default: |
| *data = 1; |
| return 1; |
| break; |
| } |
| |
| /* |
| * Because the status register is such a special case, |
| * we handle it separately from the rest of the register |
| * tests. Some bits are read-only, some toggle, and some |
| * are writeable on newer MACs. |
| */ |
| before = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS); |
| value = (IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle); |
| IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, toggle); |
| after = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle; |
| if (value != after) { |
| e_err(drv, "failed STATUS register test got: 0x%08X " |
| "expected: 0x%08X\n", after, value); |
| *data = 1; |
| return 1; |
| } |
| /* restore previous status */ |
| IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, before); |
| |
| /* |
| * Perform the remainder of the register test, looping through |
| * the test table until we either fail or reach the null entry. |
| */ |
| while (test->reg) { |
| for (i = 0; i < test->array_len; i++) { |
| switch (test->test_type) { |
| case PATTERN_TEST: |
| REG_PATTERN_TEST(test->reg + (i * 0x40), |
| test->mask, |
| test->write); |
| break; |
| case SET_READ_TEST: |
| REG_SET_AND_CHECK(test->reg + (i * 0x40), |
| test->mask, |
| test->write); |
| break; |
| case WRITE_NO_TEST: |
| writel(test->write, |
| (adapter->hw.hw_addr + test->reg) |
| + (i * 0x40)); |
| break; |
| case TABLE32_TEST: |
| REG_PATTERN_TEST(test->reg + (i * 4), |
| test->mask, |
| test->write); |
| break; |
| case TABLE64_TEST_LO: |
| REG_PATTERN_TEST(test->reg + (i * 8), |
| test->mask, |
| test->write); |
| break; |
| case TABLE64_TEST_HI: |
| REG_PATTERN_TEST((test->reg + 4) + (i * 8), |
| test->mask, |
| test->write); |
| break; |
| } |
| } |
| test++; |
| } |
| |
| *data = 0; |
| return 0; |
| } |
| |
| static int ixgbe_eeprom_test(struct ixgbe_adapter *adapter, u64 *data) |
| { |
| struct ixgbe_hw *hw = &adapter->hw; |
| if (hw->eeprom.ops.validate_checksum(hw, NULL)) |
| *data = 1; |
| else |
| *data = 0; |
| return *data; |
| } |
| |
| static irqreturn_t ixgbe_test_intr(int irq, void *data) |
| { |
| struct net_device *netdev = (struct net_device *) data; |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| |
| adapter->test_icr |= IXGBE_READ_REG(&adapter->hw, IXGBE_EICR); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data) |
| { |
| struct net_device *netdev = adapter->netdev; |
| u32 mask, i = 0, shared_int = true; |
| u32 irq = adapter->pdev->irq; |
| |
| *data = 0; |
| |
| /* Hook up test interrupt handler just for this test */ |
| if (adapter->msix_entries) { |
| /* NOTE: we don't test MSI-X interrupts here, yet */ |
| return 0; |
| } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) { |
| shared_int = false; |
| if (request_irq(irq, ixgbe_test_intr, 0, netdev->name, |
| netdev)) { |
| *data = 1; |
| return -1; |
| } |
| } else if (!request_irq(irq, ixgbe_test_intr, IRQF_PROBE_SHARED, |
| netdev->name, netdev)) { |
| shared_int = false; |
| } else if (request_irq(irq, ixgbe_test_intr, IRQF_SHARED, |
| netdev->name, netdev)) { |
| *data = 1; |
| return -1; |
| } |
| e_info(hw, "testing %s interrupt\n", shared_int ? |
| "shared" : "unshared"); |
| |
| /* Disable all the interrupts */ |
| IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF); |
| msleep(10); |
| |
| /* Test each interrupt */ |
| for (; i < 10; i++) { |
| /* Interrupt to test */ |
| mask = 1 << i; |
| |
| if (!shared_int) { |
| /* |
| * Disable the interrupts to be reported in |
| * the cause register and then force the same |
| * interrupt and see if one gets posted. If |
| * an interrupt was posted to the bus, the |
| * test failed. |
| */ |
| adapter->test_icr = 0; |
| IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, |
| ~mask & 0x00007FFF); |
| IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, |
| ~mask & 0x00007FFF); |
| msleep(10); |
| |
| if (adapter->test_icr & mask) { |
| *data = 3; |
| break; |
| } |
| } |
| |
| /* |
| * Enable the interrupt to be reported in the cause |
| * register and then force the same interrupt and see |
| * if one gets posted. If an interrupt was not posted |
| * to the bus, the test failed. |
| */ |
| adapter->test_icr = 0; |
| IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask); |
| IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask); |
| msleep(10); |
| |
| if (!(adapter->test_icr &mask)) { |
| *data = 4; |
| break; |
| } |
| |
| if (!shared_int) { |
| /* |
| * Disable the other interrupts to be reported in |
| * the cause register and then force the other |
| * interrupts and see if any get posted. If |
| * an interrupt was posted to the bus, the |
| * test failed. |
| */ |
| adapter->test_icr = 0; |
| IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, |
| ~mask & 0x00007FFF); |
| IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, |
| ~mask & 0x00007FFF); |
| msleep(10); |
| |
| if (adapter->test_icr) { |
| *data = 5; |
| break; |
| } |
| } |
| } |
| |
| /* Disable all the interrupts */ |
| IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF); |
| msleep(10); |
| |
| /* Unhook test interrupt handler */ |
| free_irq(irq, netdev); |
| |
| return *data; |
| } |
| |
| static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter) |
| { |
| struct ixgbe_ring *tx_ring = &adapter->test_tx_ring; |
| struct ixgbe_ring *rx_ring = &adapter->test_rx_ring; |
| struct ixgbe_hw *hw = &adapter->hw; |
| u32 reg_ctl; |
| |
| /* shut down the DMA engines now so they can be reinitialized later */ |
| |
| /* first Rx */ |
| reg_ctl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); |
| reg_ctl &= ~IXGBE_RXCTRL_RXEN; |
| IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, reg_ctl); |
| reg_ctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rx_ring->reg_idx)); |
| reg_ctl &= ~IXGBE_RXDCTL_ENABLE; |
| IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rx_ring->reg_idx), reg_ctl); |
| |
| /* now Tx */ |
| reg_ctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx)); |
| reg_ctl &= ~IXGBE_TXDCTL_ENABLE; |
| IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx), reg_ctl); |
| |
| switch (hw->mac.type) { |
| case ixgbe_mac_82599EB: |
| case ixgbe_mac_X540: |
| reg_ctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL); |
| reg_ctl &= ~IXGBE_DMATXCTL_TE; |
| IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg_ctl); |
| break; |
| default: |
| break; |
| } |
| |
| ixgbe_reset(adapter); |
| |
| ixgbe_free_tx_resources(&adapter->test_tx_ring); |
| ixgbe_free_rx_resources(&adapter->test_rx_ring); |
| } |
| |
| static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter) |
| { |
| struct ixgbe_ring *tx_ring = &adapter->test_tx_ring; |
| struct ixgbe_ring *rx_ring = &adapter->test_rx_ring; |
| u32 rctl, reg_data; |
| int ret_val; |
| int err; |
| |
| /* Setup Tx descriptor ring and Tx buffers */ |
| tx_ring->count = IXGBE_DEFAULT_TXD; |
| tx_ring->queue_index = 0; |
| tx_ring->dev = &adapter->pdev->dev; |
| tx_ring->netdev = adapter->netdev; |
| tx_ring->reg_idx = adapter->tx_ring[0]->reg_idx; |
| tx_ring->numa_node = adapter->node; |
| |
| err = ixgbe_setup_tx_resources(tx_ring); |
| if (err) |
| return 1; |
| |
| switch (adapter->hw.mac.type) { |
| case ixgbe_mac_82599EB: |
| case ixgbe_mac_X540: |
| reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL); |
| reg_data |= IXGBE_DMATXCTL_TE; |
| IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data); |
| break; |
| default: |
| break; |
| } |
| |
| ixgbe_configure_tx_ring(adapter, tx_ring); |
| |
| /* Setup Rx Descriptor ring and Rx buffers */ |
| rx_ring->count = IXGBE_DEFAULT_RXD; |
| rx_ring->queue_index = 0; |
| rx_ring->dev = &adapter->pdev->dev; |
| rx_ring->netdev = adapter->netdev; |
| rx_ring->reg_idx = adapter->rx_ring[0]->reg_idx; |
| rx_ring->rx_buf_len = IXGBE_RXBUFFER_2048; |
| rx_ring->numa_node = adapter->node; |
| |
| err = ixgbe_setup_rx_resources(rx_ring); |
| if (err) { |
| ret_val = 4; |
| goto err_nomem; |
| } |
| |
| rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXCTRL); |
| IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl & ~IXGBE_RXCTRL_RXEN); |
| |
| ixgbe_configure_rx_ring(adapter, rx_ring); |
| |
| rctl |= IXGBE_RXCTRL_RXEN | IXGBE_RXCTRL_DMBYPS; |
| IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl); |
| |
| return 0; |
| |
| err_nomem: |
| ixgbe_free_desc_rings(adapter); |
| return ret_val; |
| } |
| |
| static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter) |
| { |
| struct ixgbe_hw *hw = &adapter->hw; |
| u32 reg_data; |
| |
| /* right now we only support MAC loopback in the driver */ |
| reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0); |
| /* Setup MAC loopback */ |
| reg_data |= IXGBE_HLREG0_LPBK; |
| IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data); |
| |
| reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL); |
| reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE; |
| IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, reg_data); |
| |
| reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_AUTOC); |
| reg_data &= ~IXGBE_AUTOC_LMS_MASK; |
| reg_data |= IXGBE_AUTOC_LMS_10G_LINK_NO_AN | IXGBE_AUTOC_FLU; |
| IXGBE_WRITE_REG(&adapter->hw, IXGBE_AUTOC, reg_data); |
| IXGBE_WRITE_FLUSH(&adapter->hw); |
| msleep(10); |
| |
| /* Disable Atlas Tx lanes; re-enabled in reset path */ |
| if (hw->mac.type == ixgbe_mac_82598EB) { |
| u8 atlas; |
| |
| hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &atlas); |
| atlas |= IXGBE_ATLAS_PDN_TX_REG_EN; |
| hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, atlas); |
| |
| hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &atlas); |
| atlas |= IXGBE_ATLAS_PDN_TX_10G_QL_ALL; |
| hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, atlas); |
| |
| hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &atlas); |
| atlas |= IXGBE_ATLAS_PDN_TX_1G_QL_ALL; |
| hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, atlas); |
| |
| hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &atlas); |
| atlas |= IXGBE_ATLAS_PDN_TX_AN_QL_ALL; |
| hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, atlas); |
| } |
| |
| return 0; |
| } |
| |
| static void ixgbe_loopback_cleanup(struct ixgbe_adapter *adapter) |
| { |
| u32 reg_data; |
| |
| reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0); |
| reg_data &= ~IXGBE_HLREG0_LPBK; |
| IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data); |
| } |
| |
| static void ixgbe_create_lbtest_frame(struct sk_buff *skb, |
| unsigned int frame_size) |
| { |
| memset(skb->data, 0xFF, frame_size); |
| frame_size &= ~1; |
| memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); |
| memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); |
| memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); |
| } |
| |
| static int ixgbe_check_lbtest_frame(struct sk_buff *skb, |
| unsigned int frame_size) |
| { |
| frame_size &= ~1; |
| if (*(skb->data + 3) == 0xFF) { |
| if ((*(skb->data + frame_size / 2 + 10) == 0xBE) && |
| (*(skb->data + frame_size / 2 + 12) == 0xAF)) { |
| return 0; |
| } |
| } |
| return 13; |
| } |
| |
| static u16 ixgbe_clean_test_rings(struct ixgbe_ring *rx_ring, |
| struct ixgbe_ring *tx_ring, |
| unsigned int size) |
| { |
| union ixgbe_adv_rx_desc *rx_desc; |
| struct ixgbe_rx_buffer *rx_buffer_info; |
| struct ixgbe_tx_buffer *tx_buffer_info; |
| const int bufsz = rx_ring->rx_buf_len; |
| u32 staterr; |
| u16 rx_ntc, tx_ntc, count = 0; |
| |
| /* initialize next to clean and descriptor values */ |
| rx_ntc = rx_ring->next_to_clean; |
| tx_ntc = tx_ring->next_to_clean; |
| rx_desc = IXGBE_RX_DESC_ADV(rx_ring, rx_ntc); |
| staterr = le32_to_cpu(rx_desc->wb.upper.status_error); |
| |
| while (staterr & IXGBE_RXD_STAT_DD) { |
| /* check Rx buffer */ |
| rx_buffer_info = &rx_ring->rx_buffer_info[rx_ntc]; |
| |
| /* unmap Rx buffer, will be remapped by alloc_rx_buffers */ |
| dma_unmap_single(rx_ring->dev, |
| rx_buffer_info->dma, |
| bufsz, |
| DMA_FROM_DEVICE); |
| rx_buffer_info->dma = 0; |
| |
| /* verify contents of skb */ |
| if (!ixgbe_check_lbtest_frame(rx_buffer_info->skb, size)) |
| count++; |
| |
| /* unmap buffer on Tx side */ |
| tx_buffer_info = &tx_ring->tx_buffer_info[tx_ntc]; |
| ixgbe_unmap_and_free_tx_resource(tx_ring, tx_buffer_info); |
| |
| /* increment Rx/Tx next to clean counters */ |
| rx_ntc++; |
| if (rx_ntc == rx_ring->count) |
| rx_ntc = 0; |
| tx_ntc++; |
| if (tx_ntc == tx_ring->count) |
| tx_ntc = 0; |
| |
| /* fetch next descriptor */ |
| rx_desc = IXGBE_RX_DESC_ADV(rx_ring, rx_ntc); |
| staterr = le32_to_cpu(rx_desc->wb.upper.status_error); |
| } |
| |
| /* re-map buffers to ring, store next to clean values */ |
| ixgbe_alloc_rx_buffers(rx_ring, count); |
| rx_ring->next_to_clean = rx_ntc; |
| tx_ring->next_to_clean = tx_ntc; |
| |
| return count; |
| } |
| |
| static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter) |
| { |
| struct ixgbe_ring *tx_ring = &adapter->test_tx_ring; |
| struct ixgbe_ring *rx_ring = &adapter->test_rx_ring; |
| int i, j, lc, good_cnt, ret_val = 0; |
| unsigned int size = 1024; |
| netdev_tx_t tx_ret_val; |
| struct sk_buff *skb; |
| |
| /* allocate test skb */ |
| skb = alloc_skb(size, GFP_KERNEL); |
| if (!skb) |
| return 11; |
| |
| /* place data into test skb */ |
| ixgbe_create_lbtest_frame(skb, size); |
| skb_put(skb, size); |
| |
| /* |
| * Calculate the loop count based on the largest descriptor ring |
| * The idea is to wrap the largest ring a number of times using 64 |
| * send/receive pairs during each loop |
| */ |
| |
| if (rx_ring->count <= tx_ring->count) |
| lc = ((tx_ring->count / 64) * 2) + 1; |
| else |
| lc = ((rx_ring->count / 64) * 2) + 1; |
| |
| for (j = 0; j <= lc; j++) { |
| /* reset count of good packets */ |
| good_cnt = 0; |
| |
| /* place 64 packets on the transmit queue*/ |
| for (i = 0; i < 64; i++) { |
| skb_get(skb); |
| tx_ret_val = ixgbe_xmit_frame_ring(skb, |
| adapter, |
| tx_ring); |
| if (tx_ret_val == NETDEV_TX_OK) |
| good_cnt++; |
| } |
| |
| if (good_cnt != 64) { |
| ret_val = 12; |
| break; |
| } |
| |
| /* allow 200 milliseconds for packets to go from Tx to Rx */ |
| msleep(200); |
| |
| good_cnt = ixgbe_clean_test_rings(rx_ring, tx_ring, size); |
| if (good_cnt != 64) { |
| ret_val = 13; |
| break; |
| } |
| } |
| |
| /* free the original skb */ |
| kfree_skb(skb); |
| |
| return ret_val; |
| } |
| |
| static int ixgbe_loopback_test(struct ixgbe_adapter *adapter, u64 *data) |
| { |
| *data = ixgbe_setup_desc_rings(adapter); |
| if (*data) |
| goto out; |
| *data = ixgbe_setup_loopback_test(adapter); |
| if (*data) |
| goto err_loopback; |
| *data = ixgbe_run_loopback_test(adapter); |
| ixgbe_loopback_cleanup(adapter); |
| |
| err_loopback: |
| ixgbe_free_desc_rings(adapter); |
| out: |
| return *data; |
| } |
| |
| static void ixgbe_diag_test(struct net_device *netdev, |
| struct ethtool_test *eth_test, u64 *data) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| bool if_running = netif_running(netdev); |
| |
| set_bit(__IXGBE_TESTING, &adapter->state); |
| if (eth_test->flags == ETH_TEST_FL_OFFLINE) { |
| /* Offline tests */ |
| |
| e_info(hw, "offline testing starting\n"); |
| |
| /* Link test performed before hardware reset so autoneg doesn't |
| * interfere with test result */ |
| if (ixgbe_link_test(adapter, &data[4])) |
| eth_test->flags |= ETH_TEST_FL_FAILED; |
| |
| if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) { |
| int i; |
| for (i = 0; i < adapter->num_vfs; i++) { |
| if (adapter->vfinfo[i].clear_to_send) { |
| netdev_warn(netdev, "%s", |
| "offline diagnostic is not " |
| "supported when VFs are " |
| "present\n"); |
| data[0] = 1; |
| data[1] = 1; |
| data[2] = 1; |
| data[3] = 1; |
| eth_test->flags |= ETH_TEST_FL_FAILED; |
| clear_bit(__IXGBE_TESTING, |
| &adapter->state); |
| goto skip_ol_tests; |
| } |
| } |
| } |
| |
| if (if_running) |
| /* indicate we're in test mode */ |
| dev_close(netdev); |
| else |
| ixgbe_reset(adapter); |
| |
| e_info(hw, "register testing starting\n"); |
| if (ixgbe_reg_test(adapter, &data[0])) |
| eth_test->flags |= ETH_TEST_FL_FAILED; |
| |
| ixgbe_reset(adapter); |
| e_info(hw, "eeprom testing starting\n"); |
| if (ixgbe_eeprom_test(adapter, &data[1])) |
| eth_test->flags |= ETH_TEST_FL_FAILED; |
| |
| ixgbe_reset(adapter); |
| e_info(hw, "interrupt testing starting\n"); |
| if (ixgbe_intr_test(adapter, &data[2])) |
| eth_test->flags |= ETH_TEST_FL_FAILED; |
| |
| /* If SRIOV or VMDq is enabled then skip MAC |
| * loopback diagnostic. */ |
| if (adapter->flags & (IXGBE_FLAG_SRIOV_ENABLED | |
| IXGBE_FLAG_VMDQ_ENABLED)) { |
| e_info(hw, "Skip MAC loopback diagnostic in VT " |
| "mode\n"); |
| data[3] = 0; |
| goto skip_loopback; |
| } |
| |
| ixgbe_reset(adapter); |
| e_info(hw, "loopback testing starting\n"); |
| if (ixgbe_loopback_test(adapter, &data[3])) |
| eth_test->flags |= ETH_TEST_FL_FAILED; |
| |
| skip_loopback: |
| ixgbe_reset(adapter); |
| |
| clear_bit(__IXGBE_TESTING, &adapter->state); |
| if (if_running) |
| dev_open(netdev); |
| } else { |
| e_info(hw, "online testing starting\n"); |
| /* Online tests */ |
| if (ixgbe_link_test(adapter, &data[4])) |
| eth_test->flags |= ETH_TEST_FL_FAILED; |
| |
| /* Online tests aren't run; pass by default */ |
| data[0] = 0; |
| data[1] = 0; |
| data[2] = 0; |
| data[3] = 0; |
| |
| clear_bit(__IXGBE_TESTING, &adapter->state); |
| } |
| skip_ol_tests: |
| msleep_interruptible(4 * 1000); |
| } |
| |
| static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter, |
| struct ethtool_wolinfo *wol) |
| { |
| struct ixgbe_hw *hw = &adapter->hw; |
| int retval = 1; |
| |
| /* WOL not supported except for the following */ |
| switch(hw->device_id) { |
| case IXGBE_DEV_ID_82599_SFP: |
| /* Only this subdevice supports WOL */ |
| if (hw->subsystem_device_id != IXGBE_SUBDEV_ID_82599_SFP) { |
| wol->supported = 0; |
| break; |
| } |
| retval = 0; |
| break; |
| case IXGBE_DEV_ID_82599_COMBO_BACKPLANE: |
| /* All except this subdevice support WOL */ |
| if (hw->subsystem_device_id == |
| IXGBE_SUBDEV_ID_82599_KX4_KR_MEZZ) { |
| wol->supported = 0; |
| break; |
| } |
| retval = 0; |
| break; |
| case IXGBE_DEV_ID_82599_KX4: |
| retval = 0; |
| break; |
| default: |
| wol->supported = 0; |
| } |
| |
| return retval; |
| } |
| |
| static void ixgbe_get_wol(struct net_device *netdev, |
| struct ethtool_wolinfo *wol) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| |
| wol->supported = WAKE_UCAST | WAKE_MCAST | |
| WAKE_BCAST | WAKE_MAGIC; |
| wol->wolopts = 0; |
| |
| if (ixgbe_wol_exclusion(adapter, wol) || |
| !device_can_wakeup(&adapter->pdev->dev)) |
| return; |
| |
| if (adapter->wol & IXGBE_WUFC_EX) |
| wol->wolopts |= WAKE_UCAST; |
| if (adapter->wol & IXGBE_WUFC_MC) |
| wol->wolopts |= WAKE_MCAST; |
| if (adapter->wol & IXGBE_WUFC_BC) |
| wol->wolopts |= WAKE_BCAST; |
| if (adapter->wol & IXGBE_WUFC_MAG) |
| wol->wolopts |= WAKE_MAGIC; |
| } |
| |
| static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| |
| if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE)) |
| return -EOPNOTSUPP; |
| |
| if (ixgbe_wol_exclusion(adapter, wol)) |
| return wol->wolopts ? -EOPNOTSUPP : 0; |
| |
| adapter->wol = 0; |
| |
| if (wol->wolopts & WAKE_UCAST) |
| adapter->wol |= IXGBE_WUFC_EX; |
| if (wol->wolopts & WAKE_MCAST) |
| adapter->wol |= IXGBE_WUFC_MC; |
| if (wol->wolopts & WAKE_BCAST) |
| adapter->wol |= IXGBE_WUFC_BC; |
| if (wol->wolopts & WAKE_MAGIC) |
| adapter->wol |= IXGBE_WUFC_MAG; |
| |
| device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); |
| |
| return 0; |
| } |
| |
| static int ixgbe_nway_reset(struct net_device *netdev) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| |
| if (netif_running(netdev)) |
| ixgbe_reinit_locked(adapter); |
| |
| return 0; |
| } |
| |
| static int ixgbe_phys_id(struct net_device *netdev, u32 data) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| struct ixgbe_hw *hw = &adapter->hw; |
| u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL); |
| u32 i; |
| |
| if (!data || data > 300) |
| data = 300; |
| |
| for (i = 0; i < (data * 1000); i += 400) { |
| hw->mac.ops.led_on(hw, IXGBE_LED_ON); |
| msleep_interruptible(200); |
| hw->mac.ops.led_off(hw, IXGBE_LED_ON); |
| msleep_interruptible(200); |
| } |
| |
| /* Restore LED settings */ |
| IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, led_reg); |
| |
| return 0; |
| } |
| |
| static int ixgbe_get_coalesce(struct net_device *netdev, |
| struct ethtool_coalesce *ec) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| |
| ec->tx_max_coalesced_frames_irq = adapter->tx_ring[0]->work_limit; |
| |
| /* only valid if in constant ITR mode */ |
| switch (adapter->rx_itr_setting) { |
| case 0: |
| /* throttling disabled */ |
| ec->rx_coalesce_usecs = 0; |
| break; |
| case 1: |
| /* dynamic ITR mode */ |
| ec->rx_coalesce_usecs = 1; |
| break; |
| default: |
| /* fixed interrupt rate mode */ |
| ec->rx_coalesce_usecs = 1000000/adapter->rx_eitr_param; |
| break; |
| } |
| |
| /* if in mixed tx/rx queues per vector mode, report only rx settings */ |
| if (adapter->q_vector[0]->txr_count && adapter->q_vector[0]->rxr_count) |
| return 0; |
| |
| /* only valid if in constant ITR mode */ |
| switch (adapter->tx_itr_setting) { |
| case 0: |
| /* throttling disabled */ |
| ec->tx_coalesce_usecs = 0; |
| break; |
| case 1: |
| /* dynamic ITR mode */ |
| ec->tx_coalesce_usecs = 1; |
| break; |
| default: |
| ec->tx_coalesce_usecs = 1000000/adapter->tx_eitr_param; |
| break; |
| } |
| |
| return 0; |
| } |
| |
| /* |
| * this function must be called before setting the new value of |
| * rx_itr_setting |
| */ |
| static bool ixgbe_update_rsc(struct ixgbe_adapter *adapter, |
| struct ethtool_coalesce *ec) |
| { |
| struct net_device *netdev = adapter->netdev; |
| |
| if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE)) |
| return false; |
| |
| /* if interrupt rate is too high then disable RSC */ |
| if (ec->rx_coalesce_usecs != 1 && |
| ec->rx_coalesce_usecs <= 1000000/IXGBE_MAX_RSC_INT_RATE) { |
| if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) { |
| e_info(probe, "rx-usecs set too low, " |
| "disabling RSC\n"); |
| adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED; |
| return true; |
| } |
| } else { |
| /* check the feature flag value and enable RSC if necessary */ |
| if ((netdev->features & NETIF_F_LRO) && |
| !(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) { |
| e_info(probe, "rx-usecs set to %d, " |
| "re-enabling RSC\n", |
| ec->rx_coalesce_usecs); |
| adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED; |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| static int ixgbe_set_coalesce(struct net_device *netdev, |
| struct ethtool_coalesce *ec) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| struct ixgbe_q_vector *q_vector; |
| int i; |
| bool need_reset = false; |
| |
| /* don't accept tx specific changes if we've got mixed RxTx vectors */ |
| if (adapter->q_vector[0]->txr_count && adapter->q_vector[0]->rxr_count |
| && ec->tx_coalesce_usecs) |
| return -EINVAL; |
| |
| if (ec->tx_max_coalesced_frames_irq) |
| adapter->tx_ring[0]->work_limit = ec->tx_max_coalesced_frames_irq; |
| |
| if (ec->rx_coalesce_usecs > 1) { |
| /* check the limits */ |
| if ((1000000/ec->rx_coalesce_usecs > IXGBE_MAX_INT_RATE) || |
| (1000000/ec->rx_coalesce_usecs < IXGBE_MIN_INT_RATE)) |
| return -EINVAL; |
| |
| /* check the old value and enable RSC if necessary */ |
| need_reset = ixgbe_update_rsc(adapter, ec); |
| |
| /* store the value in ints/second */ |
| adapter->rx_eitr_param = 1000000/ec->rx_coalesce_usecs; |
| |
| /* static value of interrupt rate */ |
| adapter->rx_itr_setting = adapter->rx_eitr_param; |
| /* clear the lower bit as its used for dynamic state */ |
| adapter->rx_itr_setting &= ~1; |
| } else if (ec->rx_coalesce_usecs == 1) { |
| /* check the old value and enable RSC if necessary */ |
| need_reset = ixgbe_update_rsc(adapter, ec); |
| |
| /* 1 means dynamic mode */ |
| adapter->rx_eitr_param = 20000; |
| adapter->rx_itr_setting = 1; |
| } else { |
| /* check the old value and enable RSC if necessary */ |
| need_reset = ixgbe_update_rsc(adapter, ec); |
| /* |
| * any other value means disable eitr, which is best |
| * served by setting the interrupt rate very high |
| */ |
| adapter->rx_eitr_param = IXGBE_MAX_INT_RATE; |
| adapter->rx_itr_setting = 0; |
| } |
| |
| if (ec->tx_coalesce_usecs > 1) { |
| /* |
| * don't have to worry about max_int as above because |
| * tx vectors don't do hardware RSC (an rx function) |
| */ |
| /* check the limits */ |
| if ((1000000/ec->tx_coalesce_usecs > IXGBE_MAX_INT_RATE) || |
| (1000000/ec->tx_coalesce_usecs < IXGBE_MIN_INT_RATE)) |
| return -EINVAL; |
| |
| /* store the value in ints/second */ |
| adapter->tx_eitr_param = 1000000/ec->tx_coalesce_usecs; |
| |
| /* static value of interrupt rate */ |
| adapter->tx_itr_setting = adapter->tx_eitr_param; |
| |
| /* clear the lower bit as its used for dynamic state */ |
| adapter->tx_itr_setting &= ~1; |
| } else if (ec->tx_coalesce_usecs == 1) { |
| /* 1 means dynamic mode */ |
| adapter->tx_eitr_param = 10000; |
| adapter->tx_itr_setting = 1; |
| } else { |
| adapter->tx_eitr_param = IXGBE_MAX_INT_RATE; |
| adapter->tx_itr_setting = 0; |
| } |
| |
| /* MSI/MSIx Interrupt Mode */ |
| if (adapter->flags & |
| (IXGBE_FLAG_MSIX_ENABLED | IXGBE_FLAG_MSI_ENABLED)) { |
| int num_vectors = adapter->num_msix_vectors - NON_Q_VECTORS; |
| for (i = 0; i < num_vectors; i++) { |
| q_vector = adapter->q_vector[i]; |
| if (q_vector->txr_count && !q_vector->rxr_count) |
| /* tx only */ |
| q_vector->eitr = adapter->tx_eitr_param; |
| else |
| /* rx only or mixed */ |
| q_vector->eitr = adapter->rx_eitr_param; |
| ixgbe_write_eitr(q_vector); |
| } |
| /* Legacy Interrupt Mode */ |
| } else { |
| q_vector = adapter->q_vector[0]; |
| q_vector->eitr = adapter->rx_eitr_param; |
| ixgbe_write_eitr(q_vector); |
| } |
| |
| /* |
| * do reset here at the end to make sure EITR==0 case is handled |
| * correctly w.r.t stopping tx, and changing TXDCTL.WTHRESH settings |
| * also locks in RSC enable/disable which requires reset |
| */ |
| if (need_reset) { |
| if (netif_running(netdev)) |
| ixgbe_reinit_locked(adapter); |
| else |
| ixgbe_reset(adapter); |
| } |
| |
| return 0; |
| } |
| |
| static int ixgbe_set_flags(struct net_device *netdev, u32 data) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| bool need_reset = false; |
| int rc; |
| |
| #ifdef CONFIG_IXGBE_DCB |
| if ((adapter->flags & IXGBE_FLAG_DCB_ENABLED) && |
| !(data & ETH_FLAG_RXVLAN)) |
| return -EINVAL; |
| #endif |
| |
| need_reset = (data & ETH_FLAG_RXVLAN) != |
| (netdev->features & NETIF_F_HW_VLAN_RX); |
| |
| rc = ethtool_op_set_flags(netdev, data, ETH_FLAG_LRO | ETH_FLAG_NTUPLE | |
| ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN); |
| if (rc) |
| return rc; |
| |
| /* if state changes we need to update adapter->flags and reset */ |
| if ((adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) && |
| (!!(data & ETH_FLAG_LRO) != |
| !!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED))) { |
| if ((data & ETH_FLAG_LRO) && |
| (!adapter->rx_itr_setting || |
| (adapter->rx_itr_setting > IXGBE_MAX_RSC_INT_RATE))) { |
| e_info(probe, "rx-usecs set too low, " |
| "not enabling RSC.\n"); |
| } else { |
| adapter->flags2 ^= IXGBE_FLAG2_RSC_ENABLED; |
| switch (adapter->hw.mac.type) { |
| case ixgbe_mac_82599EB: |
| need_reset = true; |
| break; |
| case ixgbe_mac_X540: { |
| int i; |
| for (i = 0; i < adapter->num_rx_queues; i++) { |
| struct ixgbe_ring *ring = |
| adapter->rx_ring[i]; |
| if (adapter->flags2 & |
| IXGBE_FLAG2_RSC_ENABLED) { |
| ixgbe_configure_rscctl(adapter, |
| ring); |
| } else { |
| ixgbe_clear_rscctl(adapter, |
| ring); |
| } |
| } |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| /* |
| * Check if Flow Director n-tuple support was enabled or disabled. If |
| * the state changed, we need to reset. |
| */ |
| if ((adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE) && |
| (!(data & ETH_FLAG_NTUPLE))) { |
| /* turn off Flow Director perfect, set hash and reset */ |
| adapter->flags &= ~IXGBE_FLAG_FDIR_PERFECT_CAPABLE; |
| adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE; |
| need_reset = true; |
| } else if ((!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)) && |
| (data & ETH_FLAG_NTUPLE)) { |
| /* turn off Flow Director hash, enable perfect and reset */ |
| adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE; |
| adapter->flags |= IXGBE_FLAG_FDIR_PERFECT_CAPABLE; |
| need_reset = true; |
| } else { |
| /* no state change */ |
| } |
| |
| if (need_reset) { |
| if (netif_running(netdev)) |
| ixgbe_reinit_locked(adapter); |
| else |
| ixgbe_reset(adapter); |
| } |
| |
| return 0; |
| } |
| |
| static int ixgbe_set_rx_ntuple(struct net_device *dev, |
| struct ethtool_rx_ntuple *cmd) |
| { |
| struct ixgbe_adapter *adapter = netdev_priv(dev); |
| struct ethtool_rx_ntuple_flow_spec fs = cmd->fs; |
| struct ixgbe_atr_input input_struct; |
| struct ixgbe_atr_input_masks input_masks; |
| int target_queue; |
| |
| if (adapter->hw.mac.type == ixgbe_mac_82598EB) |
| return -EOPNOTSUPP; |
| |
| /* |
| * Don't allow programming if the action is a queue greater than |
| * the number of online Tx queues. |
| */ |
| if ((fs.action >= adapter->num_tx_queues) || |
| (fs.action < ETHTOOL_RXNTUPLE_ACTION_DROP)) |
| return -EINVAL; |
| |
| memset(&input_struct, 0, sizeof(struct ixgbe_atr_input)); |
| memset(&input_masks, 0, sizeof(struct ixgbe_atr_input_masks)); |
| |
| input_masks.src_ip_mask = fs.m_u.tcp_ip4_spec.ip4src; |
| input_masks.dst_ip_mask = fs.m_u.tcp_ip4_spec.ip4dst; |
| input_masks.src_port_mask = fs.m_u.tcp_ip4_spec.psrc; |
| input_masks.dst_port_mask = fs.m_u.tcp_ip4_spec.pdst; |
| input_masks.vlan_id_mask = fs.vlan_tag_mask; |
| /* only use the lowest 2 bytes for flex bytes */ |
| input_masks.data_mask = (fs.data_mask & 0xffff); |
| |
| switch (fs.flow_type) { |
| case TCP_V4_FLOW: |
| ixgbe_atr_set_l4type_82599(&input_struct, IXGBE_ATR_L4TYPE_TCP); |
| break; |
| case UDP_V4_FLOW: |
| ixgbe_atr_set_l4type_82599(&input_struct, IXGBE_ATR_L4TYPE_UDP); |
| break; |
| case SCTP_V4_FLOW: |
| ixgbe_atr_set_l4type_82599(&input_struct, IXGBE_ATR_L4TYPE_SCTP); |
| break; |
| default: |
| return -1; |
| } |
| |
| /* Mask bits from the inputs based on user-supplied mask */ |
| ixgbe_atr_set_src_ipv4_82599(&input_struct, |
| (fs.h_u.tcp_ip4_spec.ip4src & ~fs.m_u.tcp_ip4_spec.ip4src)); |
| ixgbe_atr_set_dst_ipv4_82599(&input_struct, |
| (fs.h_u.tcp_ip4_spec.ip4dst & ~fs.m_u.tcp_ip4_spec.ip4dst)); |
| /* 82599 expects these to be byte-swapped for perfect filtering */ |
| ixgbe_atr_set_src_port_82599(&input_struct, |
| ((ntohs(fs.h_u.tcp_ip4_spec.psrc)) & ~fs.m_u.tcp_ip4_spec.psrc)); |
| ixgbe_atr_set_dst_port_82599(&input_struct, |
| ((ntohs(fs.h_u.tcp_ip4_spec.pdst)) & ~fs.m_u.tcp_ip4_spec.pdst)); |
| |
| /* VLAN and Flex bytes are either completely masked or not */ |
| if (!fs.vlan_tag_mask) |
| ixgbe_atr_set_vlan_id_82599(&input_struct, fs.vlan_tag); |
| |
| if (!input_masks.data_mask) |
| /* make sure we only use the first 2 bytes of user data */ |
| ixgbe_atr_set_flex_byte_82599(&input_struct, |
| (fs.data & 0xffff)); |
| |
| /* determine if we need to drop or route the packet */ |
| if (fs.action == ETHTOOL_RXNTUPLE_ACTION_DROP) |
| target_queue = MAX_RX_QUEUES - 1; |
| else |
| target_queue = fs.action; |
| |
| spin_lock(&adapter->fdir_perfect_lock); |
| ixgbe_fdir_add_perfect_filter_82599(&adapter->hw, &input_struct, |
| &input_masks, 0, target_queue); |
| spin_unlock(&adapter->fdir_perfect_lock); |
| |
| return 0; |
| } |
| |
| static const struct ethtool_ops ixgbe_ethtool_ops = { |
| .get_settings = ixgbe_get_settings, |
| .set_settings = ixgbe_set_settings, |
| .get_drvinfo = ixgbe_get_drvinfo, |
| .get_regs_len = ixgbe_get_regs_len, |
| .get_regs = ixgbe_get_regs, |
| .get_wol = ixgbe_get_wol, |
| .set_wol = ixgbe_set_wol, |
| .nway_reset = ixgbe_nway_reset, |
| .get_link = ethtool_op_get_link, |
| .get_eeprom_len = ixgbe_get_eeprom_len, |
| .get_eeprom = ixgbe_get_eeprom, |
| .get_ringparam = ixgbe_get_ringparam, |
| .set_ringparam = ixgbe_set_ringparam, |
| .get_pauseparam = ixgbe_get_pauseparam, |
| .set_pauseparam = ixgbe_set_pauseparam, |
| .get_rx_csum = ixgbe_get_rx_csum, |
| .set_rx_csum = ixgbe_set_rx_csum, |
| .get_tx_csum = ixgbe_get_tx_csum, |
| .set_tx_csum = ixgbe_set_tx_csum, |
| .get_sg = ethtool_op_get_sg, |
| .set_sg = ethtool_op_set_sg, |
| .get_msglevel = ixgbe_get_msglevel, |
| .set_msglevel = ixgbe_set_msglevel, |
| .get_tso = ethtool_op_get_tso, |
| .set_tso = ixgbe_set_tso, |
| .self_test = ixgbe_diag_test, |
| .get_strings = ixgbe_get_strings, |
| .phys_id = ixgbe_phys_id, |
| .get_sset_count = ixgbe_get_sset_count, |
| .get_ethtool_stats = ixgbe_get_ethtool_stats, |
| .get_coalesce = ixgbe_get_coalesce, |
| .set_coalesce = ixgbe_set_coalesce, |
| .get_flags = ethtool_op_get_flags, |
| .set_flags = ixgbe_set_flags, |
| .set_rx_ntuple = ixgbe_set_rx_ntuple, |
| }; |
| |
| void ixgbe_set_ethtool_ops(struct net_device *netdev) |
| { |
| SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops); |
| } |