+++ /dev/null
-/*******************************************************************************
-
- 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);
-}
git.samba.org / sfrench / cifs-2.6.git / blobdiff