999 lines
26 KiB
C
999 lines
26 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright(c) 1999 - 2018 Intel Corporation. */
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/* ethtool support for ixgbevf */
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/types.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/pci.h>
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#include <linux/netdevice.h>
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#include <linux/ethtool.h>
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#include <linux/vmalloc.h>
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#include <linux/if_vlan.h>
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#include <linux/uaccess.h>
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#include "ixgbevf.h"
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#define IXGBE_ALL_RAR_ENTRIES 16
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enum {NETDEV_STATS, IXGBEVF_STATS};
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struct ixgbe_stats {
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char stat_string[ETH_GSTRING_LEN];
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int type;
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int sizeof_stat;
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int stat_offset;
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};
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#define IXGBEVF_STAT(_name, _stat) { \
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.stat_string = _name, \
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.type = IXGBEVF_STATS, \
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.sizeof_stat = FIELD_SIZEOF(struct ixgbevf_adapter, _stat), \
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.stat_offset = offsetof(struct ixgbevf_adapter, _stat) \
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}
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#define IXGBEVF_NETDEV_STAT(_net_stat) { \
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.stat_string = #_net_stat, \
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.type = NETDEV_STATS, \
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.sizeof_stat = FIELD_SIZEOF(struct net_device_stats, _net_stat), \
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.stat_offset = offsetof(struct net_device_stats, _net_stat) \
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}
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static struct ixgbe_stats ixgbevf_gstrings_stats[] = {
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IXGBEVF_NETDEV_STAT(rx_packets),
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IXGBEVF_NETDEV_STAT(tx_packets),
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IXGBEVF_NETDEV_STAT(rx_bytes),
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IXGBEVF_NETDEV_STAT(tx_bytes),
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IXGBEVF_STAT("tx_busy", tx_busy),
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IXGBEVF_STAT("tx_restart_queue", restart_queue),
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IXGBEVF_STAT("tx_timeout_count", tx_timeout_count),
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IXGBEVF_NETDEV_STAT(multicast),
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IXGBEVF_STAT("rx_csum_offload_errors", hw_csum_rx_error),
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IXGBEVF_STAT("alloc_rx_page", alloc_rx_page),
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IXGBEVF_STAT("alloc_rx_page_failed", alloc_rx_page_failed),
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IXGBEVF_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed),
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IXGBEVF_STAT("tx_ipsec", tx_ipsec),
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IXGBEVF_STAT("rx_ipsec", rx_ipsec),
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};
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#define IXGBEVF_QUEUE_STATS_LEN ( \
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(((struct ixgbevf_adapter *)netdev_priv(netdev))->num_tx_queues + \
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((struct ixgbevf_adapter *)netdev_priv(netdev))->num_xdp_queues + \
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((struct ixgbevf_adapter *)netdev_priv(netdev))->num_rx_queues) * \
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(sizeof(struct ixgbevf_stats) / sizeof(u64)))
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#define IXGBEVF_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbevf_gstrings_stats)
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#define IXGBEVF_STATS_LEN (IXGBEVF_GLOBAL_STATS_LEN + IXGBEVF_QUEUE_STATS_LEN)
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static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
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"Register test (offline)",
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"Link test (on/offline)"
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};
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#define IXGBEVF_TEST_LEN (sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN)
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static const char ixgbevf_priv_flags_strings[][ETH_GSTRING_LEN] = {
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#define IXGBEVF_PRIV_FLAGS_LEGACY_RX BIT(0)
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"legacy-rx",
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};
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#define IXGBEVF_PRIV_FLAGS_STR_LEN ARRAY_SIZE(ixgbevf_priv_flags_strings)
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static int ixgbevf_get_link_ksettings(struct net_device *netdev,
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struct ethtool_link_ksettings *cmd)
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{
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struct ixgbevf_adapter *adapter = netdev_priv(netdev);
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ethtool_link_ksettings_zero_link_mode(cmd, supported);
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ethtool_link_ksettings_add_link_mode(cmd, supported, 10000baseT_Full);
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cmd->base.autoneg = AUTONEG_DISABLE;
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cmd->base.port = -1;
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if (adapter->link_up) {
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__u32 speed = SPEED_10000;
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switch (adapter->link_speed) {
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case IXGBE_LINK_SPEED_10GB_FULL:
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speed = SPEED_10000;
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break;
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case IXGBE_LINK_SPEED_1GB_FULL:
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speed = SPEED_1000;
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break;
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case IXGBE_LINK_SPEED_100_FULL:
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speed = SPEED_100;
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break;
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}
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cmd->base.speed = speed;
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cmd->base.duplex = DUPLEX_FULL;
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} else {
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cmd->base.speed = SPEED_UNKNOWN;
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cmd->base.duplex = DUPLEX_UNKNOWN;
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}
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return 0;
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}
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static u32 ixgbevf_get_msglevel(struct net_device *netdev)
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{
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struct ixgbevf_adapter *adapter = netdev_priv(netdev);
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return adapter->msg_enable;
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}
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static void ixgbevf_set_msglevel(struct net_device *netdev, u32 data)
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{
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struct ixgbevf_adapter *adapter = netdev_priv(netdev);
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adapter->msg_enable = data;
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}
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#define IXGBE_GET_STAT(_A_, _R_) (_A_->stats._R_)
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static int ixgbevf_get_regs_len(struct net_device *netdev)
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{
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#define IXGBE_REGS_LEN 45
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return IXGBE_REGS_LEN * sizeof(u32);
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}
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static void ixgbevf_get_regs(struct net_device *netdev,
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struct ethtool_regs *regs,
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void *p)
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{
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struct ixgbevf_adapter *adapter = netdev_priv(netdev);
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struct ixgbe_hw *hw = &adapter->hw;
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u32 *regs_buff = p;
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u32 regs_len = ixgbevf_get_regs_len(netdev);
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u8 i;
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memset(p, 0, regs_len);
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/* generate a number suitable for ethtool's register version */
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regs->version = (1u << 24) | (hw->revision_id << 16) | hw->device_id;
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/* General Registers */
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regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_VFCTRL);
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regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_VFSTATUS);
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regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_VFLINKS);
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regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_VFRXMEMWRAP);
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regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_VFFRTIMER);
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/* Interrupt */
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/* don't read EICR because it can clear interrupt causes, instead
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* read EICS which is a shadow but doesn't clear EICR
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*/
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regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_VTEICS);
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regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_VTEICS);
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regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_VTEIMS);
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regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_VTEIMC);
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regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_VTEIAC);
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regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_VTEIAM);
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regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_VTEITR(0));
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regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_VTIVAR(0));
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regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_VTIVAR_MISC);
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/* Receive DMA */
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for (i = 0; i < 2; i++)
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regs_buff[14 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAL(i));
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for (i = 0; i < 2; i++)
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regs_buff[16 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAH(i));
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for (i = 0; i < 2; i++)
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regs_buff[18 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDLEN(i));
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for (i = 0; i < 2; i++)
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regs_buff[20 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDH(i));
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for (i = 0; i < 2; i++)
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regs_buff[22 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDT(i));
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for (i = 0; i < 2; i++)
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regs_buff[24 + i] = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i));
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for (i = 0; i < 2; i++)
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regs_buff[26 + i] = IXGBE_READ_REG(hw, IXGBE_VFSRRCTL(i));
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/* Receive */
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regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_VFPSRTYPE);
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/* Transmit */
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for (i = 0; i < 2; i++)
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regs_buff[29 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAL(i));
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for (i = 0; i < 2; i++)
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regs_buff[31 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAH(i));
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for (i = 0; i < 2; i++)
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regs_buff[33 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDLEN(i));
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for (i = 0; i < 2; i++)
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regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDH(i));
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for (i = 0; i < 2; i++)
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regs_buff[37 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDT(i));
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for (i = 0; i < 2; i++)
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regs_buff[39 + i] = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i));
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for (i = 0; i < 2; i++)
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regs_buff[41 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAL(i));
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for (i = 0; i < 2; i++)
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regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAH(i));
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}
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static void ixgbevf_get_drvinfo(struct net_device *netdev,
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struct ethtool_drvinfo *drvinfo)
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{
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struct ixgbevf_adapter *adapter = netdev_priv(netdev);
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strlcpy(drvinfo->driver, ixgbevf_driver_name, sizeof(drvinfo->driver));
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strlcpy(drvinfo->version, ixgbevf_driver_version,
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sizeof(drvinfo->version));
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strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
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sizeof(drvinfo->bus_info));
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drvinfo->n_priv_flags = IXGBEVF_PRIV_FLAGS_STR_LEN;
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}
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static void ixgbevf_get_ringparam(struct net_device *netdev,
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struct ethtool_ringparam *ring)
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{
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struct ixgbevf_adapter *adapter = netdev_priv(netdev);
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ring->rx_max_pending = IXGBEVF_MAX_RXD;
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ring->tx_max_pending = IXGBEVF_MAX_TXD;
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ring->rx_pending = adapter->rx_ring_count;
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ring->tx_pending = adapter->tx_ring_count;
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}
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static int ixgbevf_set_ringparam(struct net_device *netdev,
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struct ethtool_ringparam *ring)
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{
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struct ixgbevf_adapter *adapter = netdev_priv(netdev);
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struct ixgbevf_ring *tx_ring = NULL, *rx_ring = NULL;
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u32 new_rx_count, new_tx_count;
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int i, j, err = 0;
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if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
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return -EINVAL;
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new_tx_count = max_t(u32, ring->tx_pending, IXGBEVF_MIN_TXD);
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new_tx_count = min_t(u32, new_tx_count, IXGBEVF_MAX_TXD);
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new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
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new_rx_count = max_t(u32, ring->rx_pending, IXGBEVF_MIN_RXD);
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new_rx_count = min_t(u32, new_rx_count, IXGBEVF_MAX_RXD);
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new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
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/* if nothing to do return success */
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if ((new_tx_count == adapter->tx_ring_count) &&
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(new_rx_count == adapter->rx_ring_count))
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return 0;
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while (test_and_set_bit(__IXGBEVF_RESETTING, &adapter->state))
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usleep_range(1000, 2000);
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if (!netif_running(adapter->netdev)) {
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for (i = 0; i < adapter->num_tx_queues; i++)
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adapter->tx_ring[i]->count = new_tx_count;
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for (i = 0; i < adapter->num_xdp_queues; i++)
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adapter->xdp_ring[i]->count = new_tx_count;
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for (i = 0; i < adapter->num_rx_queues; i++)
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adapter->rx_ring[i]->count = new_rx_count;
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adapter->tx_ring_count = new_tx_count;
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adapter->xdp_ring_count = new_tx_count;
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adapter->rx_ring_count = new_rx_count;
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goto clear_reset;
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}
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if (new_tx_count != adapter->tx_ring_count) {
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tx_ring = vmalloc(array_size(sizeof(*tx_ring),
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adapter->num_tx_queues +
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adapter->num_xdp_queues));
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if (!tx_ring) {
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err = -ENOMEM;
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goto clear_reset;
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}
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for (i = 0; i < adapter->num_tx_queues; i++) {
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/* clone ring and setup updated count */
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tx_ring[i] = *adapter->tx_ring[i];
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tx_ring[i].count = new_tx_count;
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err = ixgbevf_setup_tx_resources(&tx_ring[i]);
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if (err) {
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while (i) {
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i--;
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ixgbevf_free_tx_resources(&tx_ring[i]);
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}
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vfree(tx_ring);
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tx_ring = NULL;
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goto clear_reset;
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}
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}
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for (j = 0; j < adapter->num_xdp_queues; i++, j++) {
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/* clone ring and setup updated count */
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tx_ring[i] = *adapter->xdp_ring[j];
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tx_ring[i].count = new_tx_count;
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err = ixgbevf_setup_tx_resources(&tx_ring[i]);
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if (err) {
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while (i) {
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i--;
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ixgbevf_free_tx_resources(&tx_ring[i]);
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}
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vfree(tx_ring);
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tx_ring = NULL;
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goto clear_reset;
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}
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}
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}
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if (new_rx_count != adapter->rx_ring_count) {
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rx_ring = vmalloc(array_size(sizeof(*rx_ring),
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adapter->num_rx_queues));
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if (!rx_ring) {
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err = -ENOMEM;
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goto clear_reset;
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}
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for (i = 0; i < adapter->num_rx_queues; i++) {
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/* clone ring and setup updated count */
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rx_ring[i] = *adapter->rx_ring[i];
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/* Clear copied XDP RX-queue info */
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memset(&rx_ring[i].xdp_rxq, 0,
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sizeof(rx_ring[i].xdp_rxq));
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rx_ring[i].count = new_rx_count;
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err = ixgbevf_setup_rx_resources(adapter, &rx_ring[i]);
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if (err) {
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while (i) {
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i--;
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ixgbevf_free_rx_resources(&rx_ring[i]);
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}
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vfree(rx_ring);
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rx_ring = NULL;
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goto clear_reset;
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}
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}
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}
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/* bring interface down to prepare for update */
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ixgbevf_down(adapter);
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/* Tx */
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if (tx_ring) {
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for (i = 0; i < adapter->num_tx_queues; i++) {
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ixgbevf_free_tx_resources(adapter->tx_ring[i]);
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*adapter->tx_ring[i] = tx_ring[i];
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}
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adapter->tx_ring_count = new_tx_count;
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for (j = 0; j < adapter->num_xdp_queues; i++, j++) {
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ixgbevf_free_tx_resources(adapter->xdp_ring[j]);
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*adapter->xdp_ring[j] = tx_ring[i];
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}
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adapter->xdp_ring_count = new_tx_count;
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vfree(tx_ring);
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tx_ring = NULL;
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}
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/* Rx */
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if (rx_ring) {
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for (i = 0; i < adapter->num_rx_queues; i++) {
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ixgbevf_free_rx_resources(adapter->rx_ring[i]);
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*adapter->rx_ring[i] = rx_ring[i];
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}
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adapter->rx_ring_count = new_rx_count;
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vfree(rx_ring);
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rx_ring = NULL;
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}
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/* restore interface using new values */
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ixgbevf_up(adapter);
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clear_reset:
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/* free Tx resources if Rx error is encountered */
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if (tx_ring) {
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for (i = 0;
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i < adapter->num_tx_queues + adapter->num_xdp_queues; i++)
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ixgbevf_free_tx_resources(&tx_ring[i]);
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vfree(tx_ring);
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}
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clear_bit(__IXGBEVF_RESETTING, &adapter->state);
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return err;
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}
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static int ixgbevf_get_sset_count(struct net_device *netdev, int stringset)
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{
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switch (stringset) {
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case ETH_SS_TEST:
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return IXGBEVF_TEST_LEN;
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case ETH_SS_STATS:
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return IXGBEVF_STATS_LEN;
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case ETH_SS_PRIV_FLAGS:
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return IXGBEVF_PRIV_FLAGS_STR_LEN;
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default:
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return -EINVAL;
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}
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}
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static void ixgbevf_get_ethtool_stats(struct net_device *netdev,
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struct ethtool_stats *stats, u64 *data)
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{
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struct ixgbevf_adapter *adapter = netdev_priv(netdev);
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struct rtnl_link_stats64 temp;
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const struct rtnl_link_stats64 *net_stats;
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unsigned int start;
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struct ixgbevf_ring *ring;
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int i, j;
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char *p;
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ixgbevf_update_stats(adapter);
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net_stats = dev_get_stats(netdev, &temp);
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for (i = 0; i < IXGBEVF_GLOBAL_STATS_LEN; i++) {
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switch (ixgbevf_gstrings_stats[i].type) {
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case NETDEV_STATS:
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p = (char *)net_stats +
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ixgbevf_gstrings_stats[i].stat_offset;
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break;
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case IXGBEVF_STATS:
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p = (char *)adapter +
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ixgbevf_gstrings_stats[i].stat_offset;
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break;
|
|
default:
|
|
data[i] = 0;
|
|
continue;
|
|
}
|
|
|
|
data[i] = (ixgbevf_gstrings_stats[i].sizeof_stat ==
|
|
sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
|
|
}
|
|
|
|
/* populate Tx queue data */
|
|
for (j = 0; j < adapter->num_tx_queues; j++) {
|
|
ring = adapter->tx_ring[j];
|
|
if (!ring) {
|
|
data[i++] = 0;
|
|
data[i++] = 0;
|
|
continue;
|
|
}
|
|
|
|
do {
|
|
start = u64_stats_fetch_begin_irq(&ring->syncp);
|
|
data[i] = ring->stats.packets;
|
|
data[i + 1] = ring->stats.bytes;
|
|
} while (u64_stats_fetch_retry_irq(&ring->syncp, start));
|
|
i += 2;
|
|
}
|
|
|
|
/* populate XDP queue data */
|
|
for (j = 0; j < adapter->num_xdp_queues; j++) {
|
|
ring = adapter->xdp_ring[j];
|
|
if (!ring) {
|
|
data[i++] = 0;
|
|
data[i++] = 0;
|
|
continue;
|
|
}
|
|
|
|
do {
|
|
start = u64_stats_fetch_begin_irq(&ring->syncp);
|
|
data[i] = ring->stats.packets;
|
|
data[i + 1] = ring->stats.bytes;
|
|
} while (u64_stats_fetch_retry_irq(&ring->syncp, start));
|
|
i += 2;
|
|
}
|
|
|
|
/* populate Rx queue data */
|
|
for (j = 0; j < adapter->num_rx_queues; j++) {
|
|
ring = adapter->rx_ring[j];
|
|
if (!ring) {
|
|
data[i++] = 0;
|
|
data[i++] = 0;
|
|
continue;
|
|
}
|
|
|
|
do {
|
|
start = u64_stats_fetch_begin_irq(&ring->syncp);
|
|
data[i] = ring->stats.packets;
|
|
data[i + 1] = ring->stats.bytes;
|
|
} while (u64_stats_fetch_retry_irq(&ring->syncp, start));
|
|
i += 2;
|
|
}
|
|
}
|
|
|
|
static void ixgbevf_get_strings(struct net_device *netdev, u32 stringset,
|
|
u8 *data)
|
|
{
|
|
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
|
|
char *p = (char *)data;
|
|
int i;
|
|
|
|
switch (stringset) {
|
|
case ETH_SS_TEST:
|
|
memcpy(data, *ixgbe_gstrings_test,
|
|
IXGBEVF_TEST_LEN * ETH_GSTRING_LEN);
|
|
break;
|
|
case ETH_SS_STATS:
|
|
for (i = 0; i < IXGBEVF_GLOBAL_STATS_LEN; i++) {
|
|
memcpy(p, ixgbevf_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_xdp_queues; i++) {
|
|
sprintf(p, "xdp_queue_%u_packets", i);
|
|
p += ETH_GSTRING_LEN;
|
|
sprintf(p, "xdp_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;
|
|
}
|
|
break;
|
|
case ETH_SS_PRIV_FLAGS:
|
|
memcpy(data, ixgbevf_priv_flags_strings,
|
|
IXGBEVF_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int ixgbevf_link_test(struct ixgbevf_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)
|
|
*data = 1;
|
|
|
|
return *data;
|
|
}
|
|
|
|
/* ethtool register test data */
|
|
struct ixgbevf_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 VF register test */
|
|
static const struct ixgbevf_reg_test reg_test_vf[] = {
|
|
{ IXGBE_VFRDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
|
|
{ IXGBE_VFRDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
|
|
{ IXGBE_VFRDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
|
|
{ IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
|
|
{ IXGBE_VFRDT(0), 2, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
|
|
{ IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, 0 },
|
|
{ IXGBE_VFTDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
|
|
{ IXGBE_VFTDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
|
|
{ IXGBE_VFTDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
|
|
{ .reg = 0 }
|
|
};
|
|
|
|
static const u32 register_test_patterns[] = {
|
|
0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
|
|
};
|
|
|
|
static bool reg_pattern_test(struct ixgbevf_adapter *adapter, u64 *data,
|
|
int reg, u32 mask, u32 write)
|
|
{
|
|
u32 pat, val, before;
|
|
|
|
if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
|
|
*data = 1;
|
|
return true;
|
|
}
|
|
for (pat = 0; pat < ARRAY_SIZE(register_test_patterns); pat++) {
|
|
before = ixgbevf_read_reg(&adapter->hw, reg);
|
|
ixgbe_write_reg(&adapter->hw, reg,
|
|
register_test_patterns[pat] & write);
|
|
val = ixgbevf_read_reg(&adapter->hw, reg);
|
|
if (val != (register_test_patterns[pat] & write & mask)) {
|
|
hw_dbg(&adapter->hw,
|
|
"pattern test reg %04X failed: got 0x%08X expected 0x%08X\n",
|
|
reg, val,
|
|
register_test_patterns[pat] & write & mask);
|
|
*data = reg;
|
|
ixgbe_write_reg(&adapter->hw, reg, before);
|
|
return true;
|
|
}
|
|
ixgbe_write_reg(&adapter->hw, reg, before);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static bool reg_set_and_check(struct ixgbevf_adapter *adapter, u64 *data,
|
|
int reg, u32 mask, u32 write)
|
|
{
|
|
u32 val, before;
|
|
|
|
if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
|
|
*data = 1;
|
|
return true;
|
|
}
|
|
before = ixgbevf_read_reg(&adapter->hw, reg);
|
|
ixgbe_write_reg(&adapter->hw, reg, write & mask);
|
|
val = ixgbevf_read_reg(&adapter->hw, reg);
|
|
if ((write & mask) != (val & mask)) {
|
|
pr_err("set/check reg %04X test failed: got 0x%08X expected 0x%08X\n",
|
|
reg, (val & mask), write & mask);
|
|
*data = reg;
|
|
ixgbe_write_reg(&adapter->hw, reg, before);
|
|
return true;
|
|
}
|
|
ixgbe_write_reg(&adapter->hw, reg, before);
|
|
return false;
|
|
}
|
|
|
|
static int ixgbevf_reg_test(struct ixgbevf_adapter *adapter, u64 *data)
|
|
{
|
|
const struct ixgbevf_reg_test *test;
|
|
u32 i;
|
|
|
|
if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
|
|
dev_err(&adapter->pdev->dev,
|
|
"Adapter removed - register test blocked\n");
|
|
*data = 1;
|
|
return 1;
|
|
}
|
|
test = reg_test_vf;
|
|
|
|
/* Perform 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++) {
|
|
bool b = false;
|
|
|
|
switch (test->test_type) {
|
|
case PATTERN_TEST:
|
|
b = reg_pattern_test(adapter, data,
|
|
test->reg + (i * 0x40),
|
|
test->mask,
|
|
test->write);
|
|
break;
|
|
case SET_READ_TEST:
|
|
b = reg_set_and_check(adapter, data,
|
|
test->reg + (i * 0x40),
|
|
test->mask,
|
|
test->write);
|
|
break;
|
|
case WRITE_NO_TEST:
|
|
ixgbe_write_reg(&adapter->hw,
|
|
test->reg + (i * 0x40),
|
|
test->write);
|
|
break;
|
|
case TABLE32_TEST:
|
|
b = reg_pattern_test(adapter, data,
|
|
test->reg + (i * 4),
|
|
test->mask,
|
|
test->write);
|
|
break;
|
|
case TABLE64_TEST_LO:
|
|
b = reg_pattern_test(adapter, data,
|
|
test->reg + (i * 8),
|
|
test->mask,
|
|
test->write);
|
|
break;
|
|
case TABLE64_TEST_HI:
|
|
b = reg_pattern_test(adapter, data,
|
|
test->reg + 4 + (i * 8),
|
|
test->mask,
|
|
test->write);
|
|
break;
|
|
}
|
|
if (b)
|
|
return 1;
|
|
}
|
|
test++;
|
|
}
|
|
|
|
*data = 0;
|
|
return *data;
|
|
}
|
|
|
|
static void ixgbevf_diag_test(struct net_device *netdev,
|
|
struct ethtool_test *eth_test, u64 *data)
|
|
{
|
|
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
|
|
bool if_running = netif_running(netdev);
|
|
|
|
if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
|
|
dev_err(&adapter->pdev->dev,
|
|
"Adapter removed - test blocked\n");
|
|
data[0] = 1;
|
|
data[1] = 1;
|
|
eth_test->flags |= ETH_TEST_FL_FAILED;
|
|
return;
|
|
}
|
|
set_bit(__IXGBEVF_TESTING, &adapter->state);
|
|
if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
|
|
/* Offline tests */
|
|
|
|
hw_dbg(&adapter->hw, "offline testing starting\n");
|
|
|
|
/* Link test performed before hardware reset so autoneg doesn't
|
|
* interfere with test result
|
|
*/
|
|
if (ixgbevf_link_test(adapter, &data[1]))
|
|
eth_test->flags |= ETH_TEST_FL_FAILED;
|
|
|
|
if (if_running)
|
|
/* indicate we're in test mode */
|
|
ixgbevf_close(netdev);
|
|
else
|
|
ixgbevf_reset(adapter);
|
|
|
|
hw_dbg(&adapter->hw, "register testing starting\n");
|
|
if (ixgbevf_reg_test(adapter, &data[0]))
|
|
eth_test->flags |= ETH_TEST_FL_FAILED;
|
|
|
|
ixgbevf_reset(adapter);
|
|
|
|
clear_bit(__IXGBEVF_TESTING, &adapter->state);
|
|
if (if_running)
|
|
ixgbevf_open(netdev);
|
|
} else {
|
|
hw_dbg(&adapter->hw, "online testing starting\n");
|
|
/* Online tests */
|
|
if (ixgbevf_link_test(adapter, &data[1]))
|
|
eth_test->flags |= ETH_TEST_FL_FAILED;
|
|
|
|
/* Online tests aren't run; pass by default */
|
|
data[0] = 0;
|
|
|
|
clear_bit(__IXGBEVF_TESTING, &adapter->state);
|
|
}
|
|
msleep_interruptible(4 * 1000);
|
|
}
|
|
|
|
static int ixgbevf_nway_reset(struct net_device *netdev)
|
|
{
|
|
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
|
|
|
|
if (netif_running(netdev))
|
|
ixgbevf_reinit_locked(adapter);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ixgbevf_get_coalesce(struct net_device *netdev,
|
|
struct ethtool_coalesce *ec)
|
|
{
|
|
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
|
|
|
|
/* only valid if in constant ITR mode */
|
|
if (adapter->rx_itr_setting <= 1)
|
|
ec->rx_coalesce_usecs = adapter->rx_itr_setting;
|
|
else
|
|
ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
|
|
|
|
/* 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 */
|
|
if (adapter->tx_itr_setting <= 1)
|
|
ec->tx_coalesce_usecs = adapter->tx_itr_setting;
|
|
else
|
|
ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ixgbevf_set_coalesce(struct net_device *netdev,
|
|
struct ethtool_coalesce *ec)
|
|
{
|
|
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
|
|
struct ixgbevf_q_vector *q_vector;
|
|
int num_vectors, i;
|
|
u16 tx_itr_param, rx_itr_param;
|
|
|
|
/* 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->rx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)) ||
|
|
(ec->tx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)))
|
|
return -EINVAL;
|
|
|
|
if (ec->rx_coalesce_usecs > 1)
|
|
adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
|
|
else
|
|
adapter->rx_itr_setting = ec->rx_coalesce_usecs;
|
|
|
|
if (adapter->rx_itr_setting == 1)
|
|
rx_itr_param = IXGBE_20K_ITR;
|
|
else
|
|
rx_itr_param = adapter->rx_itr_setting;
|
|
|
|
if (ec->tx_coalesce_usecs > 1)
|
|
adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
|
|
else
|
|
adapter->tx_itr_setting = ec->tx_coalesce_usecs;
|
|
|
|
if (adapter->tx_itr_setting == 1)
|
|
tx_itr_param = IXGBE_12K_ITR;
|
|
else
|
|
tx_itr_param = adapter->tx_itr_setting;
|
|
|
|
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->itr = tx_itr_param;
|
|
else
|
|
/* Rx only or mixed */
|
|
q_vector->itr = rx_itr_param;
|
|
ixgbevf_write_eitr(q_vector);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ixgbevf_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
|
|
u32 *rules __always_unused)
|
|
{
|
|
struct ixgbevf_adapter *adapter = netdev_priv(dev);
|
|
|
|
switch (info->cmd) {
|
|
case ETHTOOL_GRXRINGS:
|
|
info->data = adapter->num_rx_queues;
|
|
return 0;
|
|
default:
|
|
hw_dbg(&adapter->hw, "Command parameters not supported\n");
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
static u32 ixgbevf_get_rxfh_indir_size(struct net_device *netdev)
|
|
{
|
|
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
|
|
|
|
if (adapter->hw.mac.type >= ixgbe_mac_X550_vf)
|
|
return IXGBEVF_X550_VFRETA_SIZE;
|
|
|
|
return IXGBEVF_82599_RETA_SIZE;
|
|
}
|
|
|
|
static u32 ixgbevf_get_rxfh_key_size(struct net_device *netdev)
|
|
{
|
|
return IXGBEVF_RSS_HASH_KEY_SIZE;
|
|
}
|
|
|
|
static int ixgbevf_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
|
|
u8 *hfunc)
|
|
{
|
|
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
|
|
int err = 0;
|
|
|
|
if (hfunc)
|
|
*hfunc = ETH_RSS_HASH_TOP;
|
|
|
|
if (adapter->hw.mac.type >= ixgbe_mac_X550_vf) {
|
|
if (key)
|
|
memcpy(key, adapter->rss_key,
|
|
ixgbevf_get_rxfh_key_size(netdev));
|
|
|
|
if (indir) {
|
|
int i;
|
|
|
|
for (i = 0; i < IXGBEVF_X550_VFRETA_SIZE; i++)
|
|
indir[i] = adapter->rss_indir_tbl[i];
|
|
}
|
|
} else {
|
|
/* If neither indirection table nor hash key was requested
|
|
* - just return a success avoiding taking any locks.
|
|
*/
|
|
if (!indir && !key)
|
|
return 0;
|
|
|
|
spin_lock_bh(&adapter->mbx_lock);
|
|
if (indir)
|
|
err = ixgbevf_get_reta_locked(&adapter->hw, indir,
|
|
adapter->num_rx_queues);
|
|
|
|
if (!err && key)
|
|
err = ixgbevf_get_rss_key_locked(&adapter->hw, key);
|
|
|
|
spin_unlock_bh(&adapter->mbx_lock);
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static u32 ixgbevf_get_priv_flags(struct net_device *netdev)
|
|
{
|
|
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
|
|
u32 priv_flags = 0;
|
|
|
|
if (adapter->flags & IXGBEVF_FLAGS_LEGACY_RX)
|
|
priv_flags |= IXGBEVF_PRIV_FLAGS_LEGACY_RX;
|
|
|
|
return priv_flags;
|
|
}
|
|
|
|
static int ixgbevf_set_priv_flags(struct net_device *netdev, u32 priv_flags)
|
|
{
|
|
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
|
|
unsigned int flags = adapter->flags;
|
|
|
|
flags &= ~IXGBEVF_FLAGS_LEGACY_RX;
|
|
if (priv_flags & IXGBEVF_PRIV_FLAGS_LEGACY_RX)
|
|
flags |= IXGBEVF_FLAGS_LEGACY_RX;
|
|
|
|
if (flags != adapter->flags) {
|
|
adapter->flags = flags;
|
|
|
|
/* reset interface to repopulate queues */
|
|
if (netif_running(netdev))
|
|
ixgbevf_reinit_locked(adapter);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct ethtool_ops ixgbevf_ethtool_ops = {
|
|
.get_drvinfo = ixgbevf_get_drvinfo,
|
|
.get_regs_len = ixgbevf_get_regs_len,
|
|
.get_regs = ixgbevf_get_regs,
|
|
.nway_reset = ixgbevf_nway_reset,
|
|
.get_link = ethtool_op_get_link,
|
|
.get_ringparam = ixgbevf_get_ringparam,
|
|
.set_ringparam = ixgbevf_set_ringparam,
|
|
.get_msglevel = ixgbevf_get_msglevel,
|
|
.set_msglevel = ixgbevf_set_msglevel,
|
|
.self_test = ixgbevf_diag_test,
|
|
.get_sset_count = ixgbevf_get_sset_count,
|
|
.get_strings = ixgbevf_get_strings,
|
|
.get_ethtool_stats = ixgbevf_get_ethtool_stats,
|
|
.get_coalesce = ixgbevf_get_coalesce,
|
|
.set_coalesce = ixgbevf_set_coalesce,
|
|
.get_rxnfc = ixgbevf_get_rxnfc,
|
|
.get_rxfh_indir_size = ixgbevf_get_rxfh_indir_size,
|
|
.get_rxfh_key_size = ixgbevf_get_rxfh_key_size,
|
|
.get_rxfh = ixgbevf_get_rxfh,
|
|
.get_link_ksettings = ixgbevf_get_link_ksettings,
|
|
.get_priv_flags = ixgbevf_get_priv_flags,
|
|
.set_priv_flags = ixgbevf_set_priv_flags,
|
|
};
|
|
|
|
void ixgbevf_set_ethtool_ops(struct net_device *netdev)
|
|
{
|
|
netdev->ethtool_ops = &ixgbevf_ethtool_ops;
|
|
}
|