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linuxdebug/drivers/net/ethernet/huawei/hinic/hinic_ethtool.c

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null pointer error
2024-07-16 15:50:57 +02:00
// SPDX-License-Identifier: GPL-2.0
/* Huawei HiNIC PCI Express Linux driver
* Copyright(c) 2017 Huawei Technologies Co., Ltd
*
* 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.
*
*/
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/device.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/interrupt.h>
#include <linux/etherdevice.h>
#include <linux/netdevice.h>
#include <linux/if_vlan.h>
#include <linux/ethtool.h>
#include <linux/vmalloc.h>
#include <linux/sfp.h>
#include "hinic_hw_qp.h"
#include "hinic_hw_dev.h"
#include "hinic_port.h"
#include "hinic_tx.h"
#include "hinic_rx.h"
#include "hinic_dev.h"
#define SET_LINK_STR_MAX_LEN 16
#define GET_SUPPORTED_MODE 0
#define GET_ADVERTISED_MODE 1
#define ETHTOOL_ADD_SUPPORTED_SPEED_LINK_MODE(ecmd, mode) \
((ecmd)->supported |= \
(1UL << hw_to_ethtool_link_mode_table[mode].link_mode_bit))
#define ETHTOOL_ADD_ADVERTISED_SPEED_LINK_MODE(ecmd, mode) \
((ecmd)->advertising |= \
(1UL << hw_to_ethtool_link_mode_table[mode].link_mode_bit))
#define ETHTOOL_ADD_SUPPORTED_LINK_MODE(ecmd, mode) \
((ecmd)->supported |= SUPPORTED_##mode)
#define ETHTOOL_ADD_ADVERTISED_LINK_MODE(ecmd, mode) \
((ecmd)->advertising |= ADVERTISED_##mode)
#define COALESCE_PENDING_LIMIT_UNIT 8
#define COALESCE_TIMER_CFG_UNIT 9
#define COALESCE_ALL_QUEUE 0xFFFF
#define COALESCE_MAX_PENDING_LIMIT (255 * COALESCE_PENDING_LIMIT_UNIT)
#define COALESCE_MAX_TIMER_CFG (255 * COALESCE_TIMER_CFG_UNIT)
struct hw2ethtool_link_mode {
enum ethtool_link_mode_bit_indices link_mode_bit;
u32 speed;
enum hinic_link_mode hw_link_mode;
};
struct cmd_link_settings {
u64 supported;
u64 advertising;
u32 speed;
u8 duplex;
u8 port;
u8 autoneg;
};
static u32 hw_to_ethtool_speed[LINK_SPEED_LEVELS] = {
SPEED_10, SPEED_100,
SPEED_1000, SPEED_10000,
SPEED_25000, SPEED_40000,
SPEED_100000
};
static struct hw2ethtool_link_mode
hw_to_ethtool_link_mode_table[HINIC_LINK_MODE_NUMBERS] = {
{
.link_mode_bit = ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
.speed = SPEED_10000,
.hw_link_mode = HINIC_10GE_BASE_KR,
},
{
.link_mode_bit = ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
.speed = SPEED_40000,
.hw_link_mode = HINIC_40GE_BASE_KR4,
},
{
.link_mode_bit = ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
.speed = SPEED_40000,
.hw_link_mode = HINIC_40GE_BASE_CR4,
},
{
.link_mode_bit = ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
.speed = SPEED_100000,
.hw_link_mode = HINIC_100GE_BASE_KR4,
},
{
.link_mode_bit = ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
.speed = SPEED_100000,
.hw_link_mode = HINIC_100GE_BASE_CR4,
},
{
.link_mode_bit = ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
.speed = SPEED_25000,
.hw_link_mode = HINIC_25GE_BASE_KR_S,
},
{
.link_mode_bit = ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
.speed = SPEED_25000,
.hw_link_mode = HINIC_25GE_BASE_CR_S,
},
{
.link_mode_bit = ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
.speed = SPEED_25000,
.hw_link_mode = HINIC_25GE_BASE_KR,
},
{
.link_mode_bit = ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
.speed = SPEED_25000,
.hw_link_mode = HINIC_25GE_BASE_CR,
},
{
.link_mode_bit = ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
.speed = SPEED_1000,
.hw_link_mode = HINIC_GE_BASE_KX,
},
};
#define LP_DEFAULT_TIME 5 /* seconds */
#define LP_PKT_LEN 1514
#define PORT_DOWN_ERR_IDX 0
enum diag_test_index {
INTERNAL_LP_TEST = 0,
EXTERNAL_LP_TEST = 1,
DIAG_TEST_MAX = 2,
};
static void set_link_speed(struct ethtool_link_ksettings *link_ksettings,
enum hinic_speed speed)
{
switch (speed) {
case HINIC_SPEED_10MB_LINK:
link_ksettings->base.speed = SPEED_10;
break;
case HINIC_SPEED_100MB_LINK:
link_ksettings->base.speed = SPEED_100;
break;
case HINIC_SPEED_1000MB_LINK:
link_ksettings->base.speed = SPEED_1000;
break;
case HINIC_SPEED_10GB_LINK:
link_ksettings->base.speed = SPEED_10000;
break;
case HINIC_SPEED_25GB_LINK:
link_ksettings->base.speed = SPEED_25000;
break;
case HINIC_SPEED_40GB_LINK:
link_ksettings->base.speed = SPEED_40000;
break;
case HINIC_SPEED_100GB_LINK:
link_ksettings->base.speed = SPEED_100000;
break;
default:
link_ksettings->base.speed = SPEED_UNKNOWN;
break;
}
}
static int hinic_get_link_mode_index(enum hinic_link_mode link_mode)
{
int i = 0;
for (i = 0; i < HINIC_LINK_MODE_NUMBERS; i++) {
if (link_mode == hw_to_ethtool_link_mode_table[i].hw_link_mode)
break;
}
return i;
}
static void hinic_add_ethtool_link_mode(struct cmd_link_settings *link_settings,
enum hinic_link_mode hw_link_mode,
u32 name)
{
enum hinic_link_mode link_mode;
int idx = 0;
for (link_mode = 0; link_mode < HINIC_LINK_MODE_NUMBERS; link_mode++) {
if (hw_link_mode & ((u32)1 << link_mode)) {
idx = hinic_get_link_mode_index(link_mode);
if (idx >= HINIC_LINK_MODE_NUMBERS)
continue;
if (name == GET_SUPPORTED_MODE)
ETHTOOL_ADD_SUPPORTED_SPEED_LINK_MODE
(link_settings, idx);
else
ETHTOOL_ADD_ADVERTISED_SPEED_LINK_MODE
(link_settings, idx);
}
}
}
static void hinic_link_port_type(struct cmd_link_settings *link_settings,
enum hinic_port_type port_type)
{
switch (port_type) {
case HINIC_PORT_ELEC:
case HINIC_PORT_TP:
ETHTOOL_ADD_SUPPORTED_LINK_MODE(link_settings, TP);
ETHTOOL_ADD_ADVERTISED_LINK_MODE(link_settings, TP);
link_settings->port = PORT_TP;
break;
case HINIC_PORT_AOC:
case HINIC_PORT_FIBRE:
ETHTOOL_ADD_SUPPORTED_LINK_MODE(link_settings, FIBRE);
ETHTOOL_ADD_ADVERTISED_LINK_MODE(link_settings, FIBRE);
link_settings->port = PORT_FIBRE;
break;
case HINIC_PORT_COPPER:
ETHTOOL_ADD_SUPPORTED_LINK_MODE(link_settings, FIBRE);
ETHTOOL_ADD_ADVERTISED_LINK_MODE(link_settings, FIBRE);
link_settings->port = PORT_DA;
break;
case HINIC_PORT_BACKPLANE:
ETHTOOL_ADD_SUPPORTED_LINK_MODE(link_settings, Backplane);
ETHTOOL_ADD_ADVERTISED_LINK_MODE(link_settings, Backplane);
link_settings->port = PORT_NONE;
break;
default:
link_settings->port = PORT_OTHER;
break;
}
}
static int hinic_get_link_ksettings(struct net_device *netdev,
struct ethtool_link_ksettings
*link_ksettings)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
struct hinic_link_mode_cmd link_mode = { 0 };
struct hinic_pause_config pause_info = { 0 };
struct cmd_link_settings settings = { 0 };
enum hinic_port_link_state link_state;
struct hinic_port_cap port_cap;
int err;
ethtool_link_ksettings_zero_link_mode(link_ksettings, supported);
ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising);
link_ksettings->base.speed = SPEED_UNKNOWN;
link_ksettings->base.autoneg = AUTONEG_DISABLE;
link_ksettings->base.duplex = DUPLEX_UNKNOWN;
err = hinic_port_get_cap(nic_dev, &port_cap);
if (err)
return err;
hinic_link_port_type(&settings, port_cap.port_type);
link_ksettings->base.port = settings.port;
err = hinic_port_link_state(nic_dev, &link_state);
if (err)
return err;
if (link_state == HINIC_LINK_STATE_UP) {
set_link_speed(link_ksettings, port_cap.speed);
link_ksettings->base.duplex =
(port_cap.duplex == HINIC_DUPLEX_FULL) ?
DUPLEX_FULL : DUPLEX_HALF;
}
if (!!(port_cap.autoneg_cap & HINIC_AUTONEG_SUPPORTED))
ethtool_link_ksettings_add_link_mode(link_ksettings,
advertising, Autoneg);
if (port_cap.autoneg_state == HINIC_AUTONEG_ACTIVE)
link_ksettings->base.autoneg = AUTONEG_ENABLE;
err = hinic_get_link_mode(nic_dev->hwdev, &link_mode);
if (err || link_mode.supported == HINIC_SUPPORTED_UNKNOWN ||
link_mode.advertised == HINIC_SUPPORTED_UNKNOWN)
return -EIO;
hinic_add_ethtool_link_mode(&settings, link_mode.supported,
GET_SUPPORTED_MODE);
hinic_add_ethtool_link_mode(&settings, link_mode.advertised,
GET_ADVERTISED_MODE);
if (!HINIC_IS_VF(nic_dev->hwdev->hwif)) {
err = hinic_get_hw_pause_info(nic_dev->hwdev, &pause_info);
if (err)
return err;
ETHTOOL_ADD_SUPPORTED_LINK_MODE(&settings, Pause);
if (pause_info.rx_pause && pause_info.tx_pause) {
ETHTOOL_ADD_ADVERTISED_LINK_MODE(&settings, Pause);
} else if (pause_info.tx_pause) {
ETHTOOL_ADD_ADVERTISED_LINK_MODE(&settings, Asym_Pause);
} else if (pause_info.rx_pause) {
ETHTOOL_ADD_ADVERTISED_LINK_MODE(&settings, Pause);
ETHTOOL_ADD_ADVERTISED_LINK_MODE(&settings, Asym_Pause);
}
}
linkmode_copy(link_ksettings->link_modes.supported,
(unsigned long *)&settings.supported);
linkmode_copy(link_ksettings->link_modes.advertising,
(unsigned long *)&settings.advertising);
return 0;
}
static int hinic_ethtool_to_hw_speed_level(u32 speed)
{
int i;
for (i = 0; i < LINK_SPEED_LEVELS; i++) {
if (hw_to_ethtool_speed[i] == speed)
break;
}
return i;
}
static bool hinic_is_support_speed(enum hinic_link_mode supported_link,
u32 speed)
{
enum hinic_link_mode link_mode;
int idx;
for (link_mode = 0; link_mode < HINIC_LINK_MODE_NUMBERS; link_mode++) {
if (!(supported_link & ((u32)1 << link_mode)))
continue;
idx = hinic_get_link_mode_index(link_mode);
if (idx >= HINIC_LINK_MODE_NUMBERS)
continue;
if (hw_to_ethtool_link_mode_table[idx].speed == speed)
return true;
}
return false;
}
static bool hinic_is_speed_legal(struct hinic_dev *nic_dev, u32 speed)
{
struct hinic_link_mode_cmd link_mode = { 0 };
struct net_device *netdev = nic_dev->netdev;
enum nic_speed_level speed_level = 0;
int err;
err = hinic_get_link_mode(nic_dev->hwdev, &link_mode);
if (err)
return false;
if (link_mode.supported == HINIC_SUPPORTED_UNKNOWN ||
link_mode.advertised == HINIC_SUPPORTED_UNKNOWN)
return false;
speed_level = hinic_ethtool_to_hw_speed_level(speed);
if (speed_level >= LINK_SPEED_LEVELS ||
!hinic_is_support_speed(link_mode.supported, speed)) {
netif_err(nic_dev, drv, netdev,
"Unsupported speed: %d\n", speed);
return false;
}
return true;
}
static int get_link_settings_type(struct hinic_dev *nic_dev,
u8 autoneg, u32 speed, u32 *set_settings)
{
struct hinic_port_cap port_cap = { 0 };
int err;
err = hinic_port_get_cap(nic_dev, &port_cap);
if (err)
return err;
/* always set autonegotiation */
if (port_cap.autoneg_cap)
*set_settings |= HILINK_LINK_SET_AUTONEG;
if (autoneg == AUTONEG_ENABLE) {
if (!port_cap.autoneg_cap) {
netif_err(nic_dev, drv, nic_dev->netdev, "Not support autoneg\n");
return -EOPNOTSUPP;
}
} else if (speed != (u32)SPEED_UNKNOWN) {
/* set speed only when autoneg is disabled */
if (!hinic_is_speed_legal(nic_dev, speed))
return -EINVAL;
*set_settings |= HILINK_LINK_SET_SPEED;
} else {
netif_err(nic_dev, drv, nic_dev->netdev, "Need to set speed when autoneg is off\n");
return -EOPNOTSUPP;
}
return 0;
}
static int set_link_settings_separate_cmd(struct hinic_dev *nic_dev,
u32 set_settings, u8 autoneg,
u32 speed)
{
enum nic_speed_level speed_level = 0;
int err = 0;
if (set_settings & HILINK_LINK_SET_AUTONEG) {
err = hinic_set_autoneg(nic_dev->hwdev,
(autoneg == AUTONEG_ENABLE));
if (err)
netif_err(nic_dev, drv, nic_dev->netdev, "%s autoneg failed\n",
(autoneg == AUTONEG_ENABLE) ?
"Enable" : "Disable");
else
netif_info(nic_dev, drv, nic_dev->netdev, "%s autoneg successfully\n",
(autoneg == AUTONEG_ENABLE) ?
"Enable" : "Disable");
}
if (!err && (set_settings & HILINK_LINK_SET_SPEED)) {
speed_level = hinic_ethtool_to_hw_speed_level(speed);
err = hinic_set_speed(nic_dev->hwdev, speed_level);
if (err)
netif_err(nic_dev, drv, nic_dev->netdev, "Set speed %d failed\n",
speed);
else
netif_info(nic_dev, drv, nic_dev->netdev, "Set speed %d successfully\n",
speed);
}
return err;
}
static int hinic_set_settings_to_hw(struct hinic_dev *nic_dev,
u32 set_settings, u8 autoneg, u32 speed)
{
struct hinic_link_ksettings_info settings = {0};
char set_link_str[SET_LINK_STR_MAX_LEN] = {0};
const char *autoneg_str;
struct net_device *netdev = nic_dev->netdev;
enum nic_speed_level speed_level = 0;
int err;
autoneg_str = (set_settings & HILINK_LINK_SET_AUTONEG) ?
(autoneg ? "autong enable " : "autong disable ") : "";
if (set_settings & HILINK_LINK_SET_SPEED) {
speed_level = hinic_ethtool_to_hw_speed_level(speed);
err = snprintf(set_link_str, SET_LINK_STR_MAX_LEN,
"speed %d ", speed);
if (err >= SET_LINK_STR_MAX_LEN) {
netif_err(nic_dev, drv, netdev, "Failed to snprintf link speed, function return(%d) and dest_len(%d)\n",
err, SET_LINK_STR_MAX_LEN);
return -EFAULT;
}
}
settings.func_id = HINIC_HWIF_FUNC_IDX(nic_dev->hwdev->hwif);
settings.valid_bitmap = set_settings;
settings.autoneg = autoneg;
settings.speed = speed_level;
err = hinic_set_link_settings(nic_dev->hwdev, &settings);
if (err != HINIC_MGMT_CMD_UNSUPPORTED) {
if (err)
netif_err(nic_dev, drv, netdev, "Set %s%sfailed\n",
autoneg_str, set_link_str);
else
netif_info(nic_dev, drv, netdev, "Set %s%ssuccessfully\n",
autoneg_str, set_link_str);
return err;
}
return set_link_settings_separate_cmd(nic_dev, set_settings, autoneg,
speed);
}
static int set_link_settings(struct net_device *netdev, u8 autoneg, u32 speed)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
u32 set_settings = 0;
int err;
err = get_link_settings_type(nic_dev, autoneg, speed, &set_settings);
if (err)
return err;
if (set_settings)
err = hinic_set_settings_to_hw(nic_dev, set_settings,
autoneg, speed);
else
netif_info(nic_dev, drv, netdev, "Nothing changed, exit without setting anything\n");
return err;
}
static int hinic_set_link_ksettings(struct net_device *netdev, const struct
ethtool_link_ksettings *link_settings)
{
/* only support to set autoneg and speed */
return set_link_settings(netdev, link_settings->base.autoneg,
link_settings->base.speed);
}
static void hinic_get_drvinfo(struct net_device *netdev,
struct ethtool_drvinfo *info)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
u8 mgmt_ver[HINIC_MGMT_VERSION_MAX_LEN] = {0};
struct hinic_hwdev *hwdev = nic_dev->hwdev;
struct hinic_hwif *hwif = hwdev->hwif;
int err;
strscpy(info->driver, HINIC_DRV_NAME, sizeof(info->driver));
strscpy(info->bus_info, pci_name(hwif->pdev), sizeof(info->bus_info));
err = hinic_get_mgmt_version(nic_dev, mgmt_ver);
if (err)
return;
snprintf(info->fw_version, sizeof(info->fw_version), "%s", mgmt_ver);
}
static void hinic_get_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ring,
struct kernel_ethtool_ringparam *kernel_ring,
struct netlink_ext_ack *extack)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
ring->rx_max_pending = HINIC_MAX_QUEUE_DEPTH;
ring->tx_max_pending = HINIC_MAX_QUEUE_DEPTH;
ring->rx_pending = nic_dev->rq_depth;
ring->tx_pending = nic_dev->sq_depth;
}
static int check_ringparam_valid(struct hinic_dev *nic_dev,
struct ethtool_ringparam *ring)
{
if (ring->rx_jumbo_pending || ring->rx_mini_pending) {
netif_err(nic_dev, drv, nic_dev->netdev,
"Unsupported rx_jumbo_pending/rx_mini_pending\n");
return -EINVAL;
}
if (ring->tx_pending > HINIC_MAX_QUEUE_DEPTH ||
ring->tx_pending < HINIC_MIN_QUEUE_DEPTH ||
ring->rx_pending > HINIC_MAX_QUEUE_DEPTH ||
ring->rx_pending < HINIC_MIN_QUEUE_DEPTH) {
netif_err(nic_dev, drv, nic_dev->netdev,
"Queue depth out of range [%d-%d]\n",
HINIC_MIN_QUEUE_DEPTH, HINIC_MAX_QUEUE_DEPTH);
return -EINVAL;
}
return 0;
}
static int hinic_set_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ring,
struct kernel_ethtool_ringparam *kernel_ring,
struct netlink_ext_ack *extack)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
u16 new_sq_depth, new_rq_depth;
int err;
err = check_ringparam_valid(nic_dev, ring);
if (err)
return err;
new_sq_depth = (u16)(1U << (u16)ilog2(ring->tx_pending));
new_rq_depth = (u16)(1U << (u16)ilog2(ring->rx_pending));
if (new_sq_depth == nic_dev->sq_depth &&
new_rq_depth == nic_dev->rq_depth)
return 0;
netif_info(nic_dev, drv, netdev,
"Change Tx/Rx ring depth from %d/%d to %d/%d\n",
nic_dev->sq_depth, nic_dev->rq_depth,
new_sq_depth, new_rq_depth);
nic_dev->sq_depth = new_sq_depth;
nic_dev->rq_depth = new_rq_depth;
if (netif_running(netdev)) {
netif_info(nic_dev, drv, netdev, "Restarting netdev\n");
err = hinic_close(netdev);
if (err) {
netif_err(nic_dev, drv, netdev,
"Failed to close netdev\n");
return -EFAULT;
}
err = hinic_open(netdev);
if (err) {
netif_err(nic_dev, drv, netdev,
"Failed to open netdev\n");
return -EFAULT;
}
}
return 0;
}
static int __hinic_get_coalesce(struct net_device *netdev,
struct ethtool_coalesce *coal, u16 queue)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
struct hinic_intr_coal_info *rx_intr_coal_info;
struct hinic_intr_coal_info *tx_intr_coal_info;
if (queue == COALESCE_ALL_QUEUE) {
/* get tx/rx irq0 as default parameters */
rx_intr_coal_info = &nic_dev->rx_intr_coalesce[0];
tx_intr_coal_info = &nic_dev->tx_intr_coalesce[0];
} else {
if (queue >= nic_dev->num_qps) {
netif_err(nic_dev, drv, netdev,
"Invalid queue_id: %d\n", queue);
return -EINVAL;
}
rx_intr_coal_info = &nic_dev->rx_intr_coalesce[queue];
tx_intr_coal_info = &nic_dev->tx_intr_coalesce[queue];
}
/* coalesce_timer is in unit of 9us */
coal->rx_coalesce_usecs = rx_intr_coal_info->coalesce_timer_cfg *
COALESCE_TIMER_CFG_UNIT;
/* coalesced_frames is in unit of 8 */
coal->rx_max_coalesced_frames = rx_intr_coal_info->pending_limt *
COALESCE_PENDING_LIMIT_UNIT;
coal->tx_coalesce_usecs = tx_intr_coal_info->coalesce_timer_cfg *
COALESCE_TIMER_CFG_UNIT;
coal->tx_max_coalesced_frames = tx_intr_coal_info->pending_limt *
COALESCE_PENDING_LIMIT_UNIT;
return 0;
}
static int is_coalesce_exceed_limit(const struct ethtool_coalesce *coal)
{
if (coal->rx_coalesce_usecs > COALESCE_MAX_TIMER_CFG ||
coal->rx_max_coalesced_frames > COALESCE_MAX_PENDING_LIMIT ||
coal->tx_coalesce_usecs > COALESCE_MAX_TIMER_CFG ||
coal->tx_max_coalesced_frames > COALESCE_MAX_PENDING_LIMIT)
return -ERANGE;
return 0;
}
static int set_queue_coalesce(struct hinic_dev *nic_dev, u16 q_id,
struct hinic_intr_coal_info *coal,
bool set_rx_coal)
{
struct hinic_intr_coal_info *intr_coal = NULL;
struct hinic_msix_config interrupt_info = {0};
struct net_device *netdev = nic_dev->netdev;
u16 msix_idx;
int err;
intr_coal = set_rx_coal ? &nic_dev->rx_intr_coalesce[q_id] :
&nic_dev->tx_intr_coalesce[q_id];
intr_coal->coalesce_timer_cfg = coal->coalesce_timer_cfg;
intr_coal->pending_limt = coal->pending_limt;
/* netdev not running or qp not in using,
* don't need to set coalesce to hw
*/
if (!(nic_dev->flags & HINIC_INTF_UP) ||
q_id >= nic_dev->num_qps)
return 0;
msix_idx = set_rx_coal ? nic_dev->rxqs[q_id].rq->msix_entry :
nic_dev->txqs[q_id].sq->msix_entry;
interrupt_info.msix_index = msix_idx;
interrupt_info.coalesce_timer_cnt = intr_coal->coalesce_timer_cfg;
interrupt_info.pending_cnt = intr_coal->pending_limt;
interrupt_info.resend_timer_cnt = intr_coal->resend_timer_cfg;
err = hinic_set_interrupt_cfg(nic_dev->hwdev, &interrupt_info);
if (err)
netif_warn(nic_dev, drv, netdev,
"Failed to set %s queue%d coalesce",
set_rx_coal ? "rx" : "tx", q_id);
return err;
}
static int __set_hw_coal_param(struct hinic_dev *nic_dev,
struct hinic_intr_coal_info *intr_coal,
u16 queue, bool set_rx_coal)
{
int err;
u16 i;
if (queue == COALESCE_ALL_QUEUE) {
for (i = 0; i < nic_dev->max_qps; i++) {
err = set_queue_coalesce(nic_dev, i, intr_coal,
set_rx_coal);
if (err)
return err;
}
} else {
if (queue >= nic_dev->num_qps) {
netif_err(nic_dev, drv, nic_dev->netdev,
"Invalid queue_id: %d\n", queue);
return -EINVAL;
}
err = set_queue_coalesce(nic_dev, queue, intr_coal,
set_rx_coal);
if (err)
return err;
}
return 0;
}
static int __hinic_set_coalesce(struct net_device *netdev,
struct ethtool_coalesce *coal, u16 queue)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
struct hinic_intr_coal_info rx_intr_coal = {0};
struct hinic_intr_coal_info tx_intr_coal = {0};
bool set_rx_coal = false;
bool set_tx_coal = false;
int err;
err = is_coalesce_exceed_limit(coal);
if (err)
return err;
if (coal->rx_coalesce_usecs || coal->rx_max_coalesced_frames) {
rx_intr_coal.coalesce_timer_cfg =
(u8)(coal->rx_coalesce_usecs / COALESCE_TIMER_CFG_UNIT);
rx_intr_coal.pending_limt = (u8)(coal->rx_max_coalesced_frames /
COALESCE_PENDING_LIMIT_UNIT);
set_rx_coal = true;
}
if (coal->tx_coalesce_usecs || coal->tx_max_coalesced_frames) {
tx_intr_coal.coalesce_timer_cfg =
(u8)(coal->tx_coalesce_usecs / COALESCE_TIMER_CFG_UNIT);
tx_intr_coal.pending_limt = (u8)(coal->tx_max_coalesced_frames /
COALESCE_PENDING_LIMIT_UNIT);
set_tx_coal = true;
}
/* setting coalesce timer or pending limit to zero will disable
* coalesce
*/
if (set_rx_coal && (!rx_intr_coal.coalesce_timer_cfg ||
!rx_intr_coal.pending_limt))
netif_warn(nic_dev, drv, netdev, "RX coalesce will be disabled\n");
if (set_tx_coal && (!tx_intr_coal.coalesce_timer_cfg ||
!tx_intr_coal.pending_limt))
netif_warn(nic_dev, drv, netdev, "TX coalesce will be disabled\n");
if (set_rx_coal) {
err = __set_hw_coal_param(nic_dev, &rx_intr_coal, queue, true);
if (err)
return err;
}
if (set_tx_coal) {
err = __set_hw_coal_param(nic_dev, &tx_intr_coal, queue, false);
if (err)
return err;
}
return 0;
}
static int hinic_get_coalesce(struct net_device *netdev,
struct ethtool_coalesce *coal,
struct kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
return __hinic_get_coalesce(netdev, coal, COALESCE_ALL_QUEUE);
}
static int hinic_set_coalesce(struct net_device *netdev,
struct ethtool_coalesce *coal,
struct kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
return __hinic_set_coalesce(netdev, coal, COALESCE_ALL_QUEUE);
}
static int hinic_get_per_queue_coalesce(struct net_device *netdev, u32 queue,
struct ethtool_coalesce *coal)
{
return __hinic_get_coalesce(netdev, coal, queue);
}
static int hinic_set_per_queue_coalesce(struct net_device *netdev, u32 queue,
struct ethtool_coalesce *coal)
{
return __hinic_set_coalesce(netdev, coal, queue);
}
static void hinic_get_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *pause)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
struct hinic_pause_config pause_info = {0};
struct hinic_nic_cfg *nic_cfg;
int err;
nic_cfg = &nic_dev->hwdev->func_to_io.nic_cfg;
err = hinic_get_hw_pause_info(nic_dev->hwdev, &pause_info);
if (!err) {
pause->autoneg = pause_info.auto_neg;
if (nic_cfg->pause_set || !pause_info.auto_neg) {
pause->rx_pause = nic_cfg->rx_pause;
pause->tx_pause = nic_cfg->tx_pause;
} else {
pause->rx_pause = pause_info.rx_pause;
pause->tx_pause = pause_info.tx_pause;
}
}
}
static int hinic_set_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *pause)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
struct hinic_pause_config pause_info = {0};
struct hinic_port_cap port_cap = {0};
int err;
err = hinic_port_get_cap(nic_dev, &port_cap);
if (err)
return -EIO;
if (pause->autoneg != port_cap.autoneg_state)
return -EOPNOTSUPP;
pause_info.auto_neg = pause->autoneg;
pause_info.rx_pause = pause->rx_pause;
pause_info.tx_pause = pause->tx_pause;
mutex_lock(&nic_dev->hwdev->func_to_io.nic_cfg.cfg_mutex);
err = hinic_set_hw_pause_info(nic_dev->hwdev, &pause_info);
if (err) {
mutex_unlock(&nic_dev->hwdev->func_to_io.nic_cfg.cfg_mutex);
return err;
}
nic_dev->hwdev->func_to_io.nic_cfg.pause_set = true;
nic_dev->hwdev->func_to_io.nic_cfg.auto_neg = pause->autoneg;
nic_dev->hwdev->func_to_io.nic_cfg.rx_pause = pause->rx_pause;
nic_dev->hwdev->func_to_io.nic_cfg.tx_pause = pause->tx_pause;
mutex_unlock(&nic_dev->hwdev->func_to_io.nic_cfg.cfg_mutex);
return 0;
}
static void hinic_get_channels(struct net_device *netdev,
struct ethtool_channels *channels)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
struct hinic_hwdev *hwdev = nic_dev->hwdev;
channels->max_combined = nic_dev->max_qps;
channels->combined_count = hinic_hwdev_num_qps(hwdev);
}
static int hinic_set_channels(struct net_device *netdev,
struct ethtool_channels *channels)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
unsigned int count = channels->combined_count;
int err;
netif_info(nic_dev, drv, netdev, "Set max combined queue number from %d to %d\n",
hinic_hwdev_num_qps(nic_dev->hwdev), count);
if (netif_running(netdev)) {
netif_info(nic_dev, drv, netdev, "Restarting netdev\n");
hinic_close(netdev);
nic_dev->hwdev->nic_cap.num_qps = count;
err = hinic_open(netdev);
if (err) {
netif_err(nic_dev, drv, netdev,
"Failed to open netdev\n");
return -EFAULT;
}
} else {
nic_dev->hwdev->nic_cap.num_qps = count;
}
return 0;
}
static int hinic_get_rss_hash_opts(struct hinic_dev *nic_dev,
struct ethtool_rxnfc *cmd)
{
struct hinic_rss_type rss_type = { 0 };
int err;
cmd->data = 0;
if (!(nic_dev->flags & HINIC_RSS_ENABLE))
return 0;
err = hinic_get_rss_type(nic_dev, nic_dev->rss_tmpl_idx,
&rss_type);
if (err)
return err;
cmd->data = RXH_IP_SRC | RXH_IP_DST;
switch (cmd->flow_type) {
case TCP_V4_FLOW:
if (rss_type.tcp_ipv4)
cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
break;
case TCP_V6_FLOW:
if (rss_type.tcp_ipv6)
cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
break;
case UDP_V4_FLOW:
if (rss_type.udp_ipv4)
cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
break;
case UDP_V6_FLOW:
if (rss_type.udp_ipv6)
cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
break;
case IPV4_FLOW:
case IPV6_FLOW:
break;
default:
cmd->data = 0;
return -EINVAL;
}
return 0;
}
static int set_l4_rss_hash_ops(struct ethtool_rxnfc *cmd,
struct hinic_rss_type *rss_type)
{
u8 rss_l4_en = 0;
switch (cmd->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
case 0:
rss_l4_en = 0;
break;
case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
rss_l4_en = 1;
break;
default:
return -EINVAL;
}
switch (cmd->flow_type) {
case TCP_V4_FLOW:
rss_type->tcp_ipv4 = rss_l4_en;
break;
case TCP_V6_FLOW:
rss_type->tcp_ipv6 = rss_l4_en;
break;
case UDP_V4_FLOW:
rss_type->udp_ipv4 = rss_l4_en;
break;
case UDP_V6_FLOW:
rss_type->udp_ipv6 = rss_l4_en;
break;
default:
return -EINVAL;
}
return 0;
}
static int hinic_set_rss_hash_opts(struct hinic_dev *nic_dev,
struct ethtool_rxnfc *cmd)
{
struct hinic_rss_type *rss_type = &nic_dev->rss_type;
int err;
if (!(nic_dev->flags & HINIC_RSS_ENABLE)) {
cmd->data = 0;
return -EOPNOTSUPP;
}
/* RSS does not support anything other than hashing
* to queues on src and dst IPs and ports
*/
if (cmd->data & ~(RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 |
RXH_L4_B_2_3))
return -EINVAL;
/* We need at least the IP SRC and DEST fields for hashing */
if (!(cmd->data & RXH_IP_SRC) || !(cmd->data & RXH_IP_DST))
return -EINVAL;
err = hinic_get_rss_type(nic_dev,
nic_dev->rss_tmpl_idx, rss_type);
if (err)
return -EFAULT;
switch (cmd->flow_type) {
case TCP_V4_FLOW:
case TCP_V6_FLOW:
case UDP_V4_FLOW:
case UDP_V6_FLOW:
err = set_l4_rss_hash_ops(cmd, rss_type);
if (err)
return err;
break;
case IPV4_FLOW:
rss_type->ipv4 = 1;
break;
case IPV6_FLOW:
rss_type->ipv6 = 1;
break;
default:
return -EINVAL;
}
err = hinic_set_rss_type(nic_dev, nic_dev->rss_tmpl_idx,
*rss_type);
if (err)
return -EFAULT;
return 0;
}
static int __set_rss_rxfh(struct net_device *netdev,
const u32 *indir, const u8 *key)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
int err;
if (indir) {
if (!nic_dev->rss_indir_user) {
nic_dev->rss_indir_user =
kzalloc(sizeof(u32) * HINIC_RSS_INDIR_SIZE,
GFP_KERNEL);
if (!nic_dev->rss_indir_user)
return -ENOMEM;
}
memcpy(nic_dev->rss_indir_user, indir,
sizeof(u32) * HINIC_RSS_INDIR_SIZE);
err = hinic_rss_set_indir_tbl(nic_dev,
nic_dev->rss_tmpl_idx, indir);
if (err)
return -EFAULT;
}
if (key) {
if (!nic_dev->rss_hkey_user) {
nic_dev->rss_hkey_user =
kzalloc(HINIC_RSS_KEY_SIZE * 2, GFP_KERNEL);
if (!nic_dev->rss_hkey_user)
return -ENOMEM;
}
memcpy(nic_dev->rss_hkey_user, key, HINIC_RSS_KEY_SIZE);
err = hinic_rss_set_template_tbl(nic_dev,
nic_dev->rss_tmpl_idx, key);
if (err)
return -EFAULT;
}
return 0;
}
static int hinic_get_rxnfc(struct net_device *netdev,
struct ethtool_rxnfc *cmd, u32 *rule_locs)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
int err = 0;
switch (cmd->cmd) {
case ETHTOOL_GRXRINGS:
cmd->data = nic_dev->num_qps;
break;
case ETHTOOL_GRXFH:
err = hinic_get_rss_hash_opts(nic_dev, cmd);
break;
default:
err = -EOPNOTSUPP;
break;
}
return err;
}
static int hinic_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
int err = 0;
switch (cmd->cmd) {
case ETHTOOL_SRXFH:
err = hinic_set_rss_hash_opts(nic_dev, cmd);
break;
default:
err = -EOPNOTSUPP;
break;
}
return err;
}
static int hinic_get_rxfh(struct net_device *netdev,
u32 *indir, u8 *key, u8 *hfunc)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
u8 hash_engine_type = 0;
int err = 0;
if (!(nic_dev->flags & HINIC_RSS_ENABLE))
return -EOPNOTSUPP;
if (hfunc) {
err = hinic_rss_get_hash_engine(nic_dev,
nic_dev->rss_tmpl_idx,
&hash_engine_type);
if (err)
return -EFAULT;
*hfunc = hash_engine_type ? ETH_RSS_HASH_TOP : ETH_RSS_HASH_XOR;
}
if (indir) {
err = hinic_rss_get_indir_tbl(nic_dev,
nic_dev->rss_tmpl_idx, indir);
if (err)
return -EFAULT;
}
if (key)
err = hinic_rss_get_template_tbl(nic_dev,
nic_dev->rss_tmpl_idx, key);
return err;
}
static int hinic_set_rxfh(struct net_device *netdev, const u32 *indir,
const u8 *key, const u8 hfunc)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
int err = 0;
if (!(nic_dev->flags & HINIC_RSS_ENABLE))
return -EOPNOTSUPP;
if (hfunc != ETH_RSS_HASH_NO_CHANGE) {
if (hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)
return -EOPNOTSUPP;
nic_dev->rss_hash_engine = (hfunc == ETH_RSS_HASH_XOR) ?
HINIC_RSS_HASH_ENGINE_TYPE_XOR :
HINIC_RSS_HASH_ENGINE_TYPE_TOEP;
err = hinic_rss_set_hash_engine
(nic_dev, nic_dev->rss_tmpl_idx,
nic_dev->rss_hash_engine);
if (err)
return -EFAULT;
}
err = __set_rss_rxfh(netdev, indir, key);
return err;
}
static u32 hinic_get_rxfh_key_size(struct net_device *netdev)
{
return HINIC_RSS_KEY_SIZE;
}
static u32 hinic_get_rxfh_indir_size(struct net_device *netdev)
{
return HINIC_RSS_INDIR_SIZE;
}
#define HINIC_FUNC_STAT(_stat_item) { \
.name = #_stat_item, \
.size = sizeof_field(struct hinic_vport_stats, _stat_item), \
.offset = offsetof(struct hinic_vport_stats, _stat_item) \
}
static struct hinic_stats hinic_function_stats[] = {
HINIC_FUNC_STAT(tx_unicast_pkts_vport),
HINIC_FUNC_STAT(tx_unicast_bytes_vport),
HINIC_FUNC_STAT(tx_multicast_pkts_vport),
HINIC_FUNC_STAT(tx_multicast_bytes_vport),
HINIC_FUNC_STAT(tx_broadcast_pkts_vport),
HINIC_FUNC_STAT(tx_broadcast_bytes_vport),
HINIC_FUNC_STAT(rx_unicast_pkts_vport),
HINIC_FUNC_STAT(rx_unicast_bytes_vport),
HINIC_FUNC_STAT(rx_multicast_pkts_vport),
HINIC_FUNC_STAT(rx_multicast_bytes_vport),
HINIC_FUNC_STAT(rx_broadcast_pkts_vport),
HINIC_FUNC_STAT(rx_broadcast_bytes_vport),
HINIC_FUNC_STAT(tx_discard_vport),
HINIC_FUNC_STAT(rx_discard_vport),
HINIC_FUNC_STAT(tx_err_vport),
HINIC_FUNC_STAT(rx_err_vport),
};
static char hinic_test_strings[][ETH_GSTRING_LEN] = {
"Internal lb test (on/offline)",
"External lb test (external_lb)",
};
#define HINIC_PORT_STAT(_stat_item) { \
.name = #_stat_item, \
.size = sizeof_field(struct hinic_phy_port_stats, _stat_item), \
.offset = offsetof(struct hinic_phy_port_stats, _stat_item) \
}
static struct hinic_stats hinic_port_stats[] = {
HINIC_PORT_STAT(mac_rx_total_pkt_num),
HINIC_PORT_STAT(mac_rx_total_oct_num),
HINIC_PORT_STAT(mac_rx_bad_pkt_num),
HINIC_PORT_STAT(mac_rx_bad_oct_num),
HINIC_PORT_STAT(mac_rx_good_pkt_num),
HINIC_PORT_STAT(mac_rx_good_oct_num),
HINIC_PORT_STAT(mac_rx_uni_pkt_num),
HINIC_PORT_STAT(mac_rx_multi_pkt_num),
HINIC_PORT_STAT(mac_rx_broad_pkt_num),
HINIC_PORT_STAT(mac_tx_total_pkt_num),
HINIC_PORT_STAT(mac_tx_total_oct_num),
HINIC_PORT_STAT(mac_tx_bad_pkt_num),
HINIC_PORT_STAT(mac_tx_bad_oct_num),
HINIC_PORT_STAT(mac_tx_good_pkt_num),
HINIC_PORT_STAT(mac_tx_good_oct_num),
HINIC_PORT_STAT(mac_tx_uni_pkt_num),
HINIC_PORT_STAT(mac_tx_multi_pkt_num),
HINIC_PORT_STAT(mac_tx_broad_pkt_num),
HINIC_PORT_STAT(mac_rx_fragment_pkt_num),
HINIC_PORT_STAT(mac_rx_undersize_pkt_num),
HINIC_PORT_STAT(mac_rx_undermin_pkt_num),
HINIC_PORT_STAT(mac_rx_64_oct_pkt_num),
HINIC_PORT_STAT(mac_rx_65_127_oct_pkt_num),
HINIC_PORT_STAT(mac_rx_128_255_oct_pkt_num),
HINIC_PORT_STAT(mac_rx_256_511_oct_pkt_num),
HINIC_PORT_STAT(mac_rx_512_1023_oct_pkt_num),
HINIC_PORT_STAT(mac_rx_1024_1518_oct_pkt_num),
HINIC_PORT_STAT(mac_rx_1519_2047_oct_pkt_num),
HINIC_PORT_STAT(mac_rx_2048_4095_oct_pkt_num),
HINIC_PORT_STAT(mac_rx_4096_8191_oct_pkt_num),
HINIC_PORT_STAT(mac_rx_8192_9216_oct_pkt_num),
HINIC_PORT_STAT(mac_rx_9217_12287_oct_pkt_num),
HINIC_PORT_STAT(mac_rx_12288_16383_oct_pkt_num),
HINIC_PORT_STAT(mac_rx_1519_max_good_pkt_num),
HINIC_PORT_STAT(mac_rx_1519_max_bad_pkt_num),
HINIC_PORT_STAT(mac_rx_oversize_pkt_num),
HINIC_PORT_STAT(mac_rx_jabber_pkt_num),
HINIC_PORT_STAT(mac_rx_pause_num),
HINIC_PORT_STAT(mac_rx_pfc_pkt_num),
HINIC_PORT_STAT(mac_rx_pfc_pri0_pkt_num),
HINIC_PORT_STAT(mac_rx_pfc_pri1_pkt_num),
HINIC_PORT_STAT(mac_rx_pfc_pri2_pkt_num),
HINIC_PORT_STAT(mac_rx_pfc_pri3_pkt_num),
HINIC_PORT_STAT(mac_rx_pfc_pri4_pkt_num),
HINIC_PORT_STAT(mac_rx_pfc_pri5_pkt_num),
HINIC_PORT_STAT(mac_rx_pfc_pri6_pkt_num),
HINIC_PORT_STAT(mac_rx_pfc_pri7_pkt_num),
HINIC_PORT_STAT(mac_rx_control_pkt_num),
HINIC_PORT_STAT(mac_rx_sym_err_pkt_num),
HINIC_PORT_STAT(mac_rx_fcs_err_pkt_num),
HINIC_PORT_STAT(mac_rx_send_app_good_pkt_num),
HINIC_PORT_STAT(mac_rx_send_app_bad_pkt_num),
HINIC_PORT_STAT(mac_tx_fragment_pkt_num),
HINIC_PORT_STAT(mac_tx_undersize_pkt_num),
HINIC_PORT_STAT(mac_tx_undermin_pkt_num),
HINIC_PORT_STAT(mac_tx_64_oct_pkt_num),
HINIC_PORT_STAT(mac_tx_65_127_oct_pkt_num),
HINIC_PORT_STAT(mac_tx_128_255_oct_pkt_num),
HINIC_PORT_STAT(mac_tx_256_511_oct_pkt_num),
HINIC_PORT_STAT(mac_tx_512_1023_oct_pkt_num),
HINIC_PORT_STAT(mac_tx_1024_1518_oct_pkt_num),
HINIC_PORT_STAT(mac_tx_1519_2047_oct_pkt_num),
HINIC_PORT_STAT(mac_tx_2048_4095_oct_pkt_num),
HINIC_PORT_STAT(mac_tx_4096_8191_oct_pkt_num),
HINIC_PORT_STAT(mac_tx_8192_9216_oct_pkt_num),
HINIC_PORT_STAT(mac_tx_9217_12287_oct_pkt_num),
HINIC_PORT_STAT(mac_tx_12288_16383_oct_pkt_num),
HINIC_PORT_STAT(mac_tx_1519_max_good_pkt_num),
HINIC_PORT_STAT(mac_tx_1519_max_bad_pkt_num),
HINIC_PORT_STAT(mac_tx_oversize_pkt_num),
HINIC_PORT_STAT(mac_tx_jabber_pkt_num),
HINIC_PORT_STAT(mac_tx_pause_num),
HINIC_PORT_STAT(mac_tx_pfc_pkt_num),
HINIC_PORT_STAT(mac_tx_pfc_pri0_pkt_num),
HINIC_PORT_STAT(mac_tx_pfc_pri1_pkt_num),
HINIC_PORT_STAT(mac_tx_pfc_pri2_pkt_num),
HINIC_PORT_STAT(mac_tx_pfc_pri3_pkt_num),
HINIC_PORT_STAT(mac_tx_pfc_pri4_pkt_num),
HINIC_PORT_STAT(mac_tx_pfc_pri5_pkt_num),
HINIC_PORT_STAT(mac_tx_pfc_pri6_pkt_num),
HINIC_PORT_STAT(mac_tx_pfc_pri7_pkt_num),
HINIC_PORT_STAT(mac_tx_control_pkt_num),
HINIC_PORT_STAT(mac_tx_err_all_pkt_num),
HINIC_PORT_STAT(mac_tx_from_app_good_pkt_num),
HINIC_PORT_STAT(mac_tx_from_app_bad_pkt_num),
};
#define HINIC_TXQ_STAT(_stat_item) { \
.name = "txq%d_"#_stat_item, \
.size = sizeof_field(struct hinic_txq_stats, _stat_item), \
.offset = offsetof(struct hinic_txq_stats, _stat_item) \
}
static struct hinic_stats hinic_tx_queue_stats[] = {
HINIC_TXQ_STAT(pkts),
HINIC_TXQ_STAT(bytes),
HINIC_TXQ_STAT(tx_busy),
HINIC_TXQ_STAT(tx_wake),
HINIC_TXQ_STAT(tx_dropped),
HINIC_TXQ_STAT(big_frags_pkts),
};
#define HINIC_RXQ_STAT(_stat_item) { \
.name = "rxq%d_"#_stat_item, \
.size = sizeof_field(struct hinic_rxq_stats, _stat_item), \
.offset = offsetof(struct hinic_rxq_stats, _stat_item) \
}
static struct hinic_stats hinic_rx_queue_stats[] = {
HINIC_RXQ_STAT(pkts),
HINIC_RXQ_STAT(bytes),
HINIC_RXQ_STAT(errors),
HINIC_RXQ_STAT(csum_errors),
HINIC_RXQ_STAT(other_errors),
};
static void get_drv_queue_stats(struct hinic_dev *nic_dev, u64 *data)
{
struct hinic_txq_stats txq_stats;
struct hinic_rxq_stats rxq_stats;
u16 i = 0, j = 0, qid = 0;
char *p;
for (qid = 0; qid < nic_dev->num_qps; qid++) {
if (!nic_dev->txqs)
break;
hinic_txq_get_stats(&nic_dev->txqs[qid], &txq_stats);
for (j = 0; j < ARRAY_SIZE(hinic_tx_queue_stats); j++, i++) {
p = (char *)&txq_stats +
hinic_tx_queue_stats[j].offset;
data[i] = (hinic_tx_queue_stats[j].size ==
sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
}
}
for (qid = 0; qid < nic_dev->num_qps; qid++) {
if (!nic_dev->rxqs)
break;
hinic_rxq_get_stats(&nic_dev->rxqs[qid], &rxq_stats);
for (j = 0; j < ARRAY_SIZE(hinic_rx_queue_stats); j++, i++) {
p = (char *)&rxq_stats +
hinic_rx_queue_stats[j].offset;
data[i] = (hinic_rx_queue_stats[j].size ==
sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
}
}
}
static void hinic_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *stats, u64 *data)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
struct hinic_vport_stats vport_stats = {0};
struct hinic_phy_port_stats *port_stats;
u16 i = 0, j = 0;
char *p;
int err;
err = hinic_get_vport_stats(nic_dev, &vport_stats);
if (err)
netif_err(nic_dev, drv, netdev,
"Failed to get vport stats from firmware\n");
for (j = 0; j < ARRAY_SIZE(hinic_function_stats); j++, i++) {
p = (char *)&vport_stats + hinic_function_stats[j].offset;
data[i] = (hinic_function_stats[j].size ==
sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
}
port_stats = kzalloc(sizeof(*port_stats), GFP_KERNEL);
if (!port_stats) {
memset(&data[i], 0,
ARRAY_SIZE(hinic_port_stats) * sizeof(*data));
i += ARRAY_SIZE(hinic_port_stats);
goto get_drv_stats;
}
err = hinic_get_phy_port_stats(nic_dev, port_stats);
if (err)
netif_err(nic_dev, drv, netdev,
"Failed to get port stats from firmware\n");
for (j = 0; j < ARRAY_SIZE(hinic_port_stats); j++, i++) {
p = (char *)port_stats + hinic_port_stats[j].offset;
data[i] = (hinic_port_stats[j].size ==
sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
}
kfree(port_stats);
get_drv_stats:
get_drv_queue_stats(nic_dev, data + i);
}
static int hinic_get_sset_count(struct net_device *netdev, int sset)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
int count, q_num;
switch (sset) {
case ETH_SS_TEST:
return ARRAY_SIZE(hinic_test_strings);
case ETH_SS_STATS:
q_num = nic_dev->num_qps;
count = ARRAY_SIZE(hinic_function_stats) +
(ARRAY_SIZE(hinic_tx_queue_stats) +
ARRAY_SIZE(hinic_rx_queue_stats)) * q_num;
count += ARRAY_SIZE(hinic_port_stats);
return count;
default:
return -EOPNOTSUPP;
}
}
static void hinic_get_strings(struct net_device *netdev,
u32 stringset, u8 *data)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
char *p = (char *)data;
u16 i, j;
switch (stringset) {
case ETH_SS_TEST:
memcpy(data, *hinic_test_strings, sizeof(hinic_test_strings));
return;
case ETH_SS_STATS:
for (i = 0; i < ARRAY_SIZE(hinic_function_stats); i++) {
memcpy(p, hinic_function_stats[i].name,
ETH_GSTRING_LEN);
p += ETH_GSTRING_LEN;
}
for (i = 0; i < ARRAY_SIZE(hinic_port_stats); i++) {
memcpy(p, hinic_port_stats[i].name,
ETH_GSTRING_LEN);
p += ETH_GSTRING_LEN;
}
for (i = 0; i < nic_dev->num_qps; i++) {
for (j = 0; j < ARRAY_SIZE(hinic_tx_queue_stats); j++) {
sprintf(p, hinic_tx_queue_stats[j].name, i);
p += ETH_GSTRING_LEN;
}
}
for (i = 0; i < nic_dev->num_qps; i++) {
for (j = 0; j < ARRAY_SIZE(hinic_rx_queue_stats); j++) {
sprintf(p, hinic_rx_queue_stats[j].name, i);
p += ETH_GSTRING_LEN;
}
}
return;
default:
return;
}
}
static int hinic_run_lp_test(struct hinic_dev *nic_dev, u32 test_time)
{
u8 *lb_test_rx_buf = nic_dev->lb_test_rx_buf;
struct net_device *netdev = nic_dev->netdev;
struct sk_buff *skb_tmp = NULL;
struct sk_buff *skb = NULL;
u32 cnt = test_time * 5;
u8 *test_data = NULL;
u32 i;
u8 j;
skb_tmp = alloc_skb(LP_PKT_LEN, GFP_ATOMIC);
if (!skb_tmp)
return -ENOMEM;
test_data = __skb_put(skb_tmp, LP_PKT_LEN);
memset(test_data, 0xFF, 2 * ETH_ALEN);
test_data[ETH_ALEN] = 0xFE;
test_data[2 * ETH_ALEN] = 0x08;
test_data[2 * ETH_ALEN + 1] = 0x0;
for (i = ETH_HLEN; i < LP_PKT_LEN; i++)
test_data[i] = i & 0xFF;
skb_tmp->queue_mapping = 0;
skb_tmp->ip_summed = CHECKSUM_COMPLETE;
skb_tmp->dev = netdev;
for (i = 0; i < cnt; i++) {
nic_dev->lb_test_rx_idx = 0;
memset(lb_test_rx_buf, 0, LP_PKT_CNT * LP_PKT_LEN);
for (j = 0; j < LP_PKT_CNT; j++) {
skb = pskb_copy(skb_tmp, GFP_ATOMIC);
if (!skb) {
dev_kfree_skb_any(skb_tmp);
netif_err(nic_dev, drv, netdev,
"Copy skb failed for loopback test\n");
return -ENOMEM;
}
/* mark index for every pkt */
skb->data[LP_PKT_LEN - 1] = j;
if (hinic_lb_xmit_frame(skb, netdev)) {
dev_kfree_skb_any(skb);
dev_kfree_skb_any(skb_tmp);
netif_err(nic_dev, drv, netdev,
"Xmit pkt failed for loopback test\n");
return -EBUSY;
}
}
/* wait till all pkts received to RX buffer */
msleep(200);
for (j = 0; j < LP_PKT_CNT; j++) {
if (memcmp(lb_test_rx_buf + j * LP_PKT_LEN,
skb_tmp->data, LP_PKT_LEN - 1) ||
(*(lb_test_rx_buf + j * LP_PKT_LEN +
LP_PKT_LEN - 1) != j)) {
dev_kfree_skb_any(skb_tmp);
netif_err(nic_dev, drv, netdev,
"Compare pkt failed in loopback test(index=0x%02x, data[%d]=0x%02x)\n",
j + i * LP_PKT_CNT,
LP_PKT_LEN - 1,
*(lb_test_rx_buf + j * LP_PKT_LEN +
LP_PKT_LEN - 1));
return -EIO;
}
}
}
dev_kfree_skb_any(skb_tmp);
return 0;
}
static int do_lp_test(struct hinic_dev *nic_dev, u32 flags, u32 test_time,
enum diag_test_index *test_index)
{
struct net_device *netdev = nic_dev->netdev;
u8 *lb_test_rx_buf = NULL;
int err = 0;
if (!(flags & ETH_TEST_FL_EXTERNAL_LB)) {
*test_index = INTERNAL_LP_TEST;
if (hinic_set_loopback_mode(nic_dev->hwdev,
HINIC_INTERNAL_LP_MODE, true)) {
netif_err(nic_dev, drv, netdev,
"Failed to set port loopback mode before loopback test\n");
return -EIO;
}
} else {
*test_index = EXTERNAL_LP_TEST;
}
lb_test_rx_buf = vmalloc(LP_PKT_CNT * LP_PKT_LEN);
if (!lb_test_rx_buf) {
err = -ENOMEM;
} else {
nic_dev->lb_test_rx_buf = lb_test_rx_buf;
nic_dev->lb_pkt_len = LP_PKT_LEN;
nic_dev->flags |= HINIC_LP_TEST;
err = hinic_run_lp_test(nic_dev, test_time);
nic_dev->flags &= ~HINIC_LP_TEST;
msleep(100);
vfree(lb_test_rx_buf);
nic_dev->lb_test_rx_buf = NULL;
}
if (!(flags & ETH_TEST_FL_EXTERNAL_LB)) {
if (hinic_set_loopback_mode(nic_dev->hwdev,
HINIC_INTERNAL_LP_MODE, false)) {
netif_err(nic_dev, drv, netdev,
"Failed to cancel port loopback mode after loopback test\n");
err = -EIO;
}
}
return err;
}
static void hinic_diag_test(struct net_device *netdev,
struct ethtool_test *eth_test, u64 *data)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
enum hinic_port_link_state link_state;
enum diag_test_index test_index = 0;
int err = 0;
memset(data, 0, DIAG_TEST_MAX * sizeof(u64));
/* don't support loopback test when netdev is closed. */
if (!(nic_dev->flags & HINIC_INTF_UP)) {
netif_err(nic_dev, drv, netdev,
"Do not support loopback test when netdev is closed\n");
eth_test->flags |= ETH_TEST_FL_FAILED;
data[PORT_DOWN_ERR_IDX] = 1;
return;
}
netif_carrier_off(netdev);
netif_tx_disable(netdev);
err = do_lp_test(nic_dev, eth_test->flags, LP_DEFAULT_TIME,
&test_index);
if (err) {
eth_test->flags |= ETH_TEST_FL_FAILED;
data[test_index] = 1;
}
netif_tx_wake_all_queues(netdev);
err = hinic_port_link_state(nic_dev, &link_state);
if (!err && link_state == HINIC_LINK_STATE_UP)
netif_carrier_on(netdev);
}
static int hinic_set_phys_id(struct net_device *netdev,
enum ethtool_phys_id_state state)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
int err = 0;
u8 port;
port = nic_dev->hwdev->port_id;
switch (state) {
case ETHTOOL_ID_ACTIVE:
err = hinic_set_led_status(nic_dev->hwdev, port,
HINIC_LED_TYPE_LINK,
HINIC_LED_MODE_FORCE_2HZ);
if (err)
netif_err(nic_dev, drv, netdev,
"Set LED blinking in 2HZ failed\n");
break;
case ETHTOOL_ID_INACTIVE:
err = hinic_reset_led_status(nic_dev->hwdev, port);
if (err)
netif_err(nic_dev, drv, netdev,
"Reset LED to original status failed\n");
break;
default:
return -EOPNOTSUPP;
}
return err;
}
static int hinic_get_module_info(struct net_device *netdev,
struct ethtool_modinfo *modinfo)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
u8 sfp_type_ext;
u8 sfp_type;
int err;
err = hinic_get_sfp_type(nic_dev->hwdev, &sfp_type, &sfp_type_ext);
if (err)
return err;
switch (sfp_type) {
case SFF8024_ID_SFP:
modinfo->type = ETH_MODULE_SFF_8472;
modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
break;
case SFF8024_ID_QSFP_8438:
modinfo->type = ETH_MODULE_SFF_8436;
modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
break;
case SFF8024_ID_QSFP_8436_8636:
if (sfp_type_ext >= 0x3) {
modinfo->type = ETH_MODULE_SFF_8636;
modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
} else {
modinfo->type = ETH_MODULE_SFF_8436;
modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
}
break;
case SFF8024_ID_QSFP28_8636:
modinfo->type = ETH_MODULE_SFF_8636;
modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
break;
default:
netif_warn(nic_dev, drv, netdev,
"Optical module unknown: 0x%x\n", sfp_type);
return -EINVAL;
}
return 0;
}
static int hinic_get_module_eeprom(struct net_device *netdev,
struct ethtool_eeprom *ee, u8 *data)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
u8 sfp_data[STD_SFP_INFO_MAX_SIZE];
u16 len;
int err;
if (!ee->len || ((ee->len + ee->offset) > STD_SFP_INFO_MAX_SIZE))
return -EINVAL;
memset(data, 0, ee->len);
err = hinic_get_sfp_eeprom(nic_dev->hwdev, sfp_data, &len);
if (err)
return err;
memcpy(data, sfp_data + ee->offset, ee->len);
return 0;
}
static int
hinic_get_link_ext_state(struct net_device *netdev,
struct ethtool_link_ext_state_info *link_ext_state_info)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
if (netif_carrier_ok(netdev))
return -ENODATA;
if (nic_dev->cable_unplugged)
link_ext_state_info->link_ext_state =
ETHTOOL_LINK_EXT_STATE_NO_CABLE;
else if (nic_dev->module_unrecognized)
link_ext_state_info->link_ext_state =
ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH;
return 0;
}
static const struct ethtool_ops hinic_ethtool_ops = {
.supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS |
ETHTOOL_COALESCE_RX_MAX_FRAMES |
ETHTOOL_COALESCE_TX_USECS |
ETHTOOL_COALESCE_TX_MAX_FRAMES,
.get_link_ksettings = hinic_get_link_ksettings,
.set_link_ksettings = hinic_set_link_ksettings,
.get_drvinfo = hinic_get_drvinfo,
.get_link = ethtool_op_get_link,
.get_link_ext_state = hinic_get_link_ext_state,
.get_ringparam = hinic_get_ringparam,
.set_ringparam = hinic_set_ringparam,
.get_coalesce = hinic_get_coalesce,
.set_coalesce = hinic_set_coalesce,
.get_per_queue_coalesce = hinic_get_per_queue_coalesce,
.set_per_queue_coalesce = hinic_set_per_queue_coalesce,
.get_pauseparam = hinic_get_pauseparam,
.set_pauseparam = hinic_set_pauseparam,
.get_channels = hinic_get_channels,
.set_channels = hinic_set_channels,
.get_rxnfc = hinic_get_rxnfc,
.set_rxnfc = hinic_set_rxnfc,
.get_rxfh_key_size = hinic_get_rxfh_key_size,
.get_rxfh_indir_size = hinic_get_rxfh_indir_size,
.get_rxfh = hinic_get_rxfh,
.set_rxfh = hinic_set_rxfh,
.get_sset_count = hinic_get_sset_count,
.get_ethtool_stats = hinic_get_ethtool_stats,
.get_strings = hinic_get_strings,
.self_test = hinic_diag_test,
.set_phys_id = hinic_set_phys_id,
.get_module_info = hinic_get_module_info,
.get_module_eeprom = hinic_get_module_eeprom,
};
static const struct ethtool_ops hinicvf_ethtool_ops = {
.supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS |
ETHTOOL_COALESCE_RX_MAX_FRAMES |
ETHTOOL_COALESCE_TX_USECS |
ETHTOOL_COALESCE_TX_MAX_FRAMES,
.get_link_ksettings = hinic_get_link_ksettings,
.get_drvinfo = hinic_get_drvinfo,
.get_link = ethtool_op_get_link,
.get_ringparam = hinic_get_ringparam,
.set_ringparam = hinic_set_ringparam,
.get_coalesce = hinic_get_coalesce,
.set_coalesce = hinic_set_coalesce,
.get_per_queue_coalesce = hinic_get_per_queue_coalesce,
.set_per_queue_coalesce = hinic_set_per_queue_coalesce,
.get_channels = hinic_get_channels,
.set_channels = hinic_set_channels,
.get_rxnfc = hinic_get_rxnfc,
.set_rxnfc = hinic_set_rxnfc,
.get_rxfh_key_size = hinic_get_rxfh_key_size,
.get_rxfh_indir_size = hinic_get_rxfh_indir_size,
.get_rxfh = hinic_get_rxfh,
.set_rxfh = hinic_set_rxfh,
.get_sset_count = hinic_get_sset_count,
.get_ethtool_stats = hinic_get_ethtool_stats,
.get_strings = hinic_get_strings,
};
void hinic_set_ethtool_ops(struct net_device *netdev)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
if (!HINIC_IS_VF(nic_dev->hwdev->hwif))
netdev->ethtool_ops = &hinic_ethtool_ops;
else
netdev->ethtool_ops = &hinicvf_ethtool_ops;
}