diff options
| author | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-04-07 18:42:33 +0400 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-08-11 07:03:27 +0400 |
| commit | dee1ad47f2ee75f5146d83ca757c1b7861c34c3b (patch) | |
| tree | 47cbdefe3d0f9b729724e378ad6a96eaddfd5fbc /drivers/net/ixgbe/ixgbe_ethtool.c | |
| parent | f7917c009c28c941ba151ee66f04dc7f6a2e1e0b (diff) | |
| download | linux-dee1ad47f2ee75f5146d83ca757c1b7861c34c3b.tar.xz | |
intel: Move the Intel wired LAN drivers
Moves the Intel wired LAN drivers into drivers/net/ethernet/intel/ and
the necessary Kconfig and Makefile changes.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_ethtool.c')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_ethtool.c | 2592 |
1 files changed, 0 insertions, 2592 deletions
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c deleted file mode 100644 index 82d4244c6e10..000000000000 --- a/drivers/net/ixgbe/ixgbe_ethtool.c +++ /dev/null @@ -1,2592 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 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/interrupt.h> -#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)}, - {"fdir_overflow", IXGBE_STAT(fdir_overflow)}, - {"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)}, - {"os2bmc_rx_by_bmc", IXGBE_STAT(stats.o2bgptc)}, - {"os2bmc_tx_by_bmc", IXGBE_STAT(stats.b2ospc)}, - {"os2bmc_tx_by_host", IXGBE_STAT(stats.o2bspc)}, - {"os2bmc_rx_by_host", IXGBE_STAT(stats.b2ogprc)}, -#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); - - switch (hw->mac.type) { - case ixgbe_mac_X540: - ecmd->supported |= SUPPORTED_100baseT_Full; - break; - default: - break; - } - - ecmd->advertising = ADVERTISED_Autoneg; - if (hw->phy.autoneg_advertised) { - if (hw->phy.autoneg_advertised & - IXGBE_LINK_SPEED_100_FULL) - ecmd->advertising |= ADVERTISED_100baseT_Full; - 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; - } else { - /* - * Default advertised modes in case - * phy.autoneg_advertised isn't set. - */ - ecmd->advertising |= (ADVERTISED_10000baseT_Full | - ADVERTISED_1000baseT_Full); - if (hw->mac.type == ixgbe_mac_X540) - ecmd->advertising |= ADVERTISED_100baseT_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) { - switch (link_speed) { - case IXGBE_LINK_SPEED_10GB_FULL: - ethtool_cmd_speed_set(ecmd, SPEED_10000); - break; - case IXGBE_LINK_SPEED_1GB_FULL: - ethtool_cmd_speed_set(ecmd, SPEED_1000); - break; - case IXGBE_LINK_SPEED_100_FULL: - ethtool_cmd_speed_set(ecmd, SPEED_100); - break; - default: - break; - } - ecmd->duplex = DUPLEX_FULL; - } else { - ethtool_cmd_speed_set(ecmd, -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 (ecmd->advertising & ADVERTISED_100baseT_Full) - advertised |= IXGBE_LINK_SPEED_100_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 */ - u32 speed = ethtool_cmd_speed(ecmd); - if ((ecmd->autoneg == AUTONEG_ENABLE) || - (ecmd->advertising != ADVERTISED_10000baseT_Full) || - (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_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; - - ret_val = hw->eeprom.ops.read_buffer(hw, first_word, eeprom_len, - eeprom_buff); - - /* 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) - 1); - strncpy(drvinfo->version, ixgbe_driver_version, - sizeof(drvinfo->version) - 1); - - 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)) - usleep_range(1000, 2000); - - if (!netif_running(adapter->netdev)) { - for (i = 0; i < adapter->num_tx_queues; i++) - adapter->tx_ring[i]->count = new_tx_count; - for (i = 0; i < adapter->num_rx_queues; i++) - adapter->rx_ring[i]->count = new_rx_count; - adapter->tx_ring_count = new_tx_count; - adapter->rx_ring_count = new_rx_count; - goto clear_reset; - } - - 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; - 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 bool reg_pattern_test(struct ixgbe_adapter *adapter, u64 *data, int reg, - u32 mask, u32 write) -{ - u32 pat, val, before; - static const u32 test_pattern[] = { - 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; - - for (pat = 0; pat < ARRAY_SIZE(test_pattern); pat++) { - before = readl(adapter->hw.hw_addr + reg); - writel((test_pattern[pat] & write), - (adapter->hw.hw_addr + reg)); - val = readl(adapter->hw.hw_addr + reg); - if (val != (test_pattern[pat] & write & mask)) { - e_err(drv, "pattern test reg %04X failed: got " - "0x%08X expected 0x%08X\n", - reg, val, (test_pattern[pat] & write & mask)); - *data = reg; - writel(before, adapter->hw.hw_addr + reg); - return 1; - } - writel(before, adapter->hw.hw_addr + reg); - } - return 0; -} - -static bool reg_set_and_check(struct ixgbe_adapter *adapter, u64 *data, int reg, - u32 mask, u32 write) -{ - u32 val, before; - before = readl(adapter->hw.hw_addr + reg); - writel((write & mask), (adapter->hw.hw_addr + reg)); - val = readl(adapter->hw.hw_addr + reg); - if ((write & mask) != (val & mask)) { - e_err(drv, "set/check reg %04X test failed: got 0x%08X " - "expected 0x%08X\n", reg, (val & mask), (write & mask)); - *data = reg; - writel(before, (adapter->hw.hw_addr + reg)); - return 1; - } - writel(before, (adapter->hw.hw_addr + reg)); - return 0; -} - -#define REG_PATTERN_TEST(reg, mask, write) \ - do { \ - if (reg_pattern_test(adapter, data, reg, mask, write)) \ - return 1; \ - } while (0) \ - - -#define REG_SET_AND_CHECK(reg, mask, write) \ - do { \ - if (reg_set_and_check(adapter, data, reg, mask, write)) \ - return 1; \ - } while (0) \ - -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); - IXGBE_WRITE_FLUSH(&adapter->hw); - usleep_range(10000, 20000); - - /* 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); - IXGBE_WRITE_FLUSH(&adapter->hw); - usleep_range(10000, 20000); - - 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); - IXGBE_WRITE_FLUSH(&adapter->hw); - usleep_range(10000, 20000); - - 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); - IXGBE_WRITE_FLUSH(&adapter->hw); - usleep_range(10000, 20000); - - if (adapter->test_icr) { - *data = 5; - break; - } - } - } - - /* Disable all the interrupts */ - IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF); - IXGBE_WRITE_FLUSH(&adapter->hw); - usleep_range(10000, 20000); - - /* 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); - ixgbe_disable_rx_queue(adapter, rx_ring); - - /* 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; - - /* X540 needs to set the MACC.FLU bit to force link up */ - if (adapter->hw.mac.type == ixgbe_mac_X540) { - reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_MACC); - reg_data |= IXGBE_MACC_FLU; - IXGBE_WRITE_REG(&adapter->hw, IXGBE_MACC, 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); - usleep_range(10000, 20000); - - /* 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_set_phys_id(struct net_device *netdev, - enum ethtool_phys_id_state state) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_hw *hw = &adapter->hw; - - switch (state) { - case ETHTOOL_ID_ACTIVE: - adapter->led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL); - return 2; - - case ETHTOOL_ID_ON: - hw->mac.ops.led_on(hw, IXGBE_LED_ON); - break; - - case ETHTOOL_ID_OFF: - hw->mac.ops.led_off(hw, IXGBE_LED_ON); - break; - - case ETHTOOL_ID_INACTIVE: - /* Restore LED settings */ - IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, adapter->led_reg); - break; - } - - 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_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]->tx.count && adapter->q_vector[0]->rx.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]->tx.count && adapter->q_vector[0]->rx.count - && ec->tx_coalesce_usecs) - return -EINVAL; - - if (ec->tx_max_coalesced_frames_irq) - adapter->tx_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->tx.count && !q_vector->rx.count) - /* tx only */ - q_vector->eitr = adapter->tx_eitr_param; - else - /* rx only or mixed */ - q_vector->eitr = adapter->rx_eitr_param; - q_vector->tx.work_limit = adapter->tx_work_limit; - ixgbe_write_eitr(q_vector); - } - /* Legacy Interrupt Mode */ - } else { - q_vector = adapter->q_vector[0]; - q_vector->eitr = adapter->rx_eitr_param; - q_vector->tx.work_limit = adapter->tx_work_limit; - 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) - ixgbe_do_reset(netdev); - - return 0; -} - -static int ixgbe_get_ethtool_fdir_entry(struct ixgbe_adapter *adapter, - struct ethtool_rxnfc *cmd) -{ - union ixgbe_atr_input *mask = &adapter->fdir_mask; - struct ethtool_rx_flow_spec *fsp = - (struct ethtool_rx_flow_spec *)&cmd->fs; - struct hlist_node *node, *node2; - struct ixgbe_fdir_filter *rule = NULL; - - /* report total rule count */ - cmd->data = (1024 << adapter->fdir_pballoc) - 2; - - hlist_for_each_entry_safe(rule, node, node2, - &adapter->fdir_filter_list, fdir_node) { - if (fsp->location <= rule->sw_idx) - break; - } - - if (!rule || fsp->location != rule->sw_idx) - return -EINVAL; - - /* fill out the flow spec entry */ - - /* set flow type field */ - switch (rule->filter.formatted.flow_type) { - case IXGBE_ATR_FLOW_TYPE_TCPV4: - fsp->flow_type = TCP_V4_FLOW; - break; - case IXGBE_ATR_FLOW_TYPE_UDPV4: - fsp->flow_type = UDP_V4_FLOW; - break; - case IXGBE_ATR_FLOW_TYPE_SCTPV4: - fsp->flow_type = SCTP_V4_FLOW; - break; - case IXGBE_ATR_FLOW_TYPE_IPV4: - 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; - break; - default: - return -EINVAL; - } - - fsp->h_u.tcp_ip4_spec.psrc = rule->filter.formatted.src_port; - fsp->m_u.tcp_ip4_spec.psrc = mask->formatted.src_port; - fsp->h_u.tcp_ip4_spec.pdst = rule->filter.formatted.dst_port; - fsp->m_u.tcp_ip4_spec.pdst = mask->formatted.dst_port; - fsp->h_u.tcp_ip4_spec.ip4src = rule->filter.formatted.src_ip[0]; - fsp->m_u.tcp_ip4_spec.ip4src = mask->formatted.src_ip[0]; - fsp->h_u.tcp_ip4_spec.ip4dst = rule->filter.formatted.dst_ip[0]; - fsp->m_u.tcp_ip4_spec.ip4dst = mask->formatted.dst_ip[0]; - fsp->h_ext.vlan_tci = rule->filter.formatted.vlan_id; - fsp->m_ext.vlan_tci = mask->formatted.vlan_id; - fsp->h_ext.vlan_etype = rule->filter.formatted.flex_bytes; - fsp->m_ext.vlan_etype = mask->formatted.flex_bytes; - fsp->h_ext.data[1] = htonl(rule->filter.formatted.vm_pool); - fsp->m_ext.data[1] = htonl(mask->formatted.vm_pool); - fsp->flow_type |= FLOW_EXT; - - /* record action */ - if (rule->action == IXGBE_FDIR_DROP_QUEUE) - fsp->ring_cookie = RX_CLS_FLOW_DISC; - else - fsp->ring_cookie = rule->action; - - return 0; -} - -static int ixgbe_get_ethtool_fdir_all(struct ixgbe_adapter *adapter, - struct ethtool_rxnfc *cmd, - u32 *rule_locs) -{ - struct hlist_node *node, *node2; - struct ixgbe_fdir_filter *rule; - int cnt = 0; - - /* report total rule count */ - cmd->data = (1024 << adapter->fdir_pballoc) - 2; - - hlist_for_each_entry_safe(rule, node, node2, - &adapter->fdir_filter_list, fdir_node) { - if (cnt == cmd->rule_cnt) - return -EMSGSIZE; - rule_locs[cnt] = rule->sw_idx; - cnt++; - } - - return 0; -} - -static int ixgbe_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, - void *rule_locs) -{ - struct ixgbe_adapter *adapter = netdev_priv(dev); - int ret = -EOPNOTSUPP; - - switch (cmd->cmd) { - case ETHTOOL_GRXRINGS: - cmd->data = adapter->num_rx_queues; - ret = 0; - break; - case ETHTOOL_GRXCLSRLCNT: - cmd->rule_cnt = adapter->fdir_filter_count; - ret = 0; - break; - case ETHTOOL_GRXCLSRULE: - ret = ixgbe_get_ethtool_fdir_entry(adapter, cmd); - break; - case ETHTOOL_GRXCLSRLALL: - ret = ixgbe_get_ethtool_fdir_all(adapter, cmd, - (u32 *)rule_locs); - break; - default: - break; - } - - return ret; -} - -static int ixgbe_update_ethtool_fdir_entry(struct ixgbe_adapter *adapter, - struct ixgbe_fdir_filter *input, - u16 sw_idx) -{ - struct ixgbe_hw *hw = &adapter->hw; - struct hlist_node *node, *node2, *parent; - struct ixgbe_fdir_filter *rule; - int err = -EINVAL; - - parent = NULL; - rule = NULL; - - hlist_for_each_entry_safe(rule, node, node2, - &adapter->fdir_filter_list, fdir_node) { - /* hash found, or no matching entry */ - if (rule->sw_idx >= sw_idx) - break; - parent = node; - } - - /* if there is an old rule occupying our place remove it */ - if (rule && (rule->sw_idx == sw_idx)) { - if (!input || (rule->filter.formatted.bkt_hash != - input->filter.formatted.bkt_hash)) { - err = ixgbe_fdir_erase_perfect_filter_82599(hw, - &rule->filter, - sw_idx); - } - - hlist_del(&rule->fdir_node); - kfree(rule); - adapter->fdir_filter_count--; - } - - /* - * 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_after(parent, &input->fdir_node); - else - hlist_add_head(&input->fdir_node, - &adapter->fdir_filter_list); - - /* update counts */ - adapter->fdir_filter_count++; - - return 0; -} - -static int ixgbe_flowspec_to_flow_type(struct ethtool_rx_flow_spec *fsp, - u8 *flow_type) -{ - switch (fsp->flow_type & ~FLOW_EXT) { - case TCP_V4_FLOW: - *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4; - break; - case UDP_V4_FLOW: - *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4; - break; - case SCTP_V4_FLOW: - *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4; - break; - case IP_USER_FLOW: - switch (fsp->h_u.usr_ip4_spec.proto) { - case IPPROTO_TCP: - *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4; - break; - case IPPROTO_UDP: - *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4; - break; - case IPPROTO_SCTP: - *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4; - break; - case 0: - if (!fsp->m_u.usr_ip4_spec.proto) { - *flow_type = IXGBE_ATR_FLOW_TYPE_IPV4; - break; - } - default: - return 0; - } - break; - default: - return 0; - } - - return 1; -} - -static int ixgbe_add_ethtool_fdir_entry(struct ixgbe_adapter *adapter, - struct ethtool_rxnfc *cmd) -{ - struct ethtool_rx_flow_spec *fsp = - (struct ethtool_rx_flow_spec *)&cmd->fs; - struct ixgbe_hw *hw = &adapter->hw; - struct ixgbe_fdir_filter *input; - union ixgbe_atr_input mask; - int err; - - if (!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)) - return -EOPNOTSUPP; - - /* - * Don't allow programming if the action is a queue greater than - * the number of online Rx queues. - */ - if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) && - (fsp->ring_cookie >= adapter->num_rx_queues)) - return -EINVAL; - - /* Don't allow indexes to exist outside of available space */ - if (fsp->location >= ((1024 << adapter->fdir_pballoc) - 2)) { - e_err(drv, "Location out of range\n"); - return -EINVAL; - } - - input = kzalloc(sizeof(*input), GFP_ATOMIC); - if (!input) - return -ENOMEM; - - memset(&mask, 0, sizeof(union ixgbe_atr_input)); - - /* set SW index */ - input->sw_idx = fsp->location; - - /* record flow type */ - if (!ixgbe_flowspec_to_flow_type(fsp, - &input->filter.formatted.flow_type)) { - e_err(drv, "Unrecognized flow type\n"); - goto err_out; - } - - mask.formatted.flow_type = IXGBE_ATR_L4TYPE_IPV6_MASK | - IXGBE_ATR_L4TYPE_MASK; - - if (input->filter.formatted.flow_type == IXGBE_ATR_FLOW_TYPE_IPV4) - mask.formatted.flow_type &= IXGBE_ATR_L4TYPE_IPV6_MASK; - - /* Copy input into formatted structures */ - input->filter.formatted.src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src; - mask.formatted.src_ip[0] = fsp->m_u.tcp_ip4_spec.ip4src; - input->filter.formatted.dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst; - mask.formatted.dst_ip[0] = fsp->m_u.tcp_ip4_spec.ip4dst; - input->filter.formatted.src_port = fsp->h_u.tcp_ip4_spec.psrc; - mask.formatted.src_port = fsp->m_u.tcp_ip4_spec.psrc; - input->filter.formatted.dst_port = fsp->h_u.tcp_ip4_spec.pdst; - mask.formatted.dst_port = fsp->m_u.tcp_ip4_spec.pdst; - - if (fsp->flow_type & FLOW_EXT) { - input->filter.formatted.vm_pool = - (unsigned char)ntohl(fsp->h_ext.data[1]); - mask.formatted.vm_pool = - (unsigned char)ntohl(fsp->m_ext.data[1]); - input->filter.formatted.vlan_id = fsp->h_ext.vlan_tci; - mask.formatted.vlan_id = fsp->m_ext.vlan_tci; - input->filter.formatted.flex_bytes = - fsp->h_ext.vlan_etype; - mask.formatted.flex_bytes = fsp->m_ext.vlan_etype; - } - - /* determine if we need to drop or route the packet */ - if (fsp->ring_cookie == RX_CLS_FLOW_DISC) - input->action = IXGBE_FDIR_DROP_QUEUE; - else - input->action = fsp->ring_cookie; - - spin_lock(&adapter->fdir_perfect_lock); - - if (hlist_empty(&adapter->fdir_filter_list)) { - /* save mask and program input mask into HW */ - memcpy(&adapter->fdir_mask, &mask, sizeof(mask)); - err = ixgbe_fdir_set_input_mask_82599(hw, &mask); - if (err) { - e_err(drv, "Error writing mask\n"); - goto err_out_w_lock; - } - } else if (memcmp(&adapter->fdir_mask, &mask, sizeof(mask))) { - e_err(drv, "Only one mask supported per port\n"); - goto err_out_w_lock; - } - - /* apply mask and compute/store hash */ - ixgbe_atr_compute_perfect_hash_82599(&input->filter, &mask); - - /* program filters to filter memory */ - err = ixgbe_fdir_write_perfect_filter_82599(hw, - &input->filter, input->sw_idx, - (input->action == IXGBE_FDIR_DROP_QUEUE) ? - IXGBE_FDIR_DROP_QUEUE : - adapter->rx_ring[input->action]->reg_idx); - if (err) - goto err_out_w_lock; - - ixgbe_update_ethtool_fdir_entry(adapter, input, input->sw_idx); - - spin_unlock(&adapter->fdir_perfect_lock); - - return err; -err_out_w_lock: - spin_unlock(&adapter->fdir_perfect_lock); -err_out: - kfree(input); - return -EINVAL; -} - -static int ixgbe_del_ethtool_fdir_entry(struct ixgbe_adapter *adapter, - struct ethtool_rxnfc *cmd) -{ - struct ethtool_rx_flow_spec *fsp = - (struct ethtool_rx_flow_spec *)&cmd->fs; - int err; - - spin_lock(&adapter->fdir_perfect_lock); - err = ixgbe_update_ethtool_fdir_entry(adapter, NULL, fsp->location); - spin_unlock(&adapter->fdir_perfect_lock); - - return err; -} - -static int ixgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) -{ - struct ixgbe_adapter *adapter = netdev_priv(dev); - int ret = -EOPNOTSUPP; - - switch (cmd->cmd) { - case ETHTOOL_SRXCLSRLINS: - ret = ixgbe_add_ethtool_fdir_entry(adapter, cmd); - break; - case ETHTOOL_SRXCLSRLDEL: - ret = ixgbe_del_ethtool_fdir_entry(adapter, cmd); - break; - default: - break; - } - - return ret; -} - -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_msglevel = ixgbe_get_msglevel, - .set_msglevel = ixgbe_set_msglevel, - .self_test = ixgbe_diag_test, - .get_strings = ixgbe_get_strings, - .set_phys_id = ixgbe_set_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_rxnfc = ixgbe_get_rxnfc, - .set_rxnfc = ixgbe_set_rxnfc, -}; - -void ixgbe_set_ethtool_ops(struct net_device *netdev) -{ - SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops); -} |