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linux/linux-5.18.11/drivers/net/ethernet/qlogic/qede/qede_ethtool.c

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// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
/* QLogic qede NIC Driver
* Copyright (c) 2015-2017 QLogic Corporation
* Copyright (c) 2019-2020 Marvell International Ltd.
*/
#include <linux/version.h>
#include <linux/types.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/string.h>
#include <linux/pci.h>
#include <linux/capability.h>
#include <linux/vmalloc.h>
#include <linux/phylink.h>
#include "qede.h"
#include "qede_ptp.h"
#define QEDE_RQSTAT_OFFSET(stat_name) \
(offsetof(struct qede_rx_queue, stat_name))
#define QEDE_RQSTAT_STRING(stat_name) (#stat_name)
#define QEDE_RQSTAT(stat_name) \
{QEDE_RQSTAT_OFFSET(stat_name), QEDE_RQSTAT_STRING(stat_name)}
#define QEDE_SELFTEST_POLL_COUNT 100
#define QEDE_DUMP_VERSION 0x1
#define QEDE_DUMP_NVM_ARG_COUNT 2
static const struct {
u64 offset;
char string[ETH_GSTRING_LEN];
} qede_rqstats_arr[] = {
QEDE_RQSTAT(rcv_pkts),
QEDE_RQSTAT(rx_hw_errors),
QEDE_RQSTAT(rx_alloc_errors),
QEDE_RQSTAT(rx_ip_frags),
QEDE_RQSTAT(xdp_no_pass),
};
#define QEDE_NUM_RQSTATS ARRAY_SIZE(qede_rqstats_arr)
#define QEDE_TQSTAT_OFFSET(stat_name) \
(offsetof(struct qede_tx_queue, stat_name))
#define QEDE_TQSTAT_STRING(stat_name) (#stat_name)
#define QEDE_TQSTAT(stat_name) \
{QEDE_TQSTAT_OFFSET(stat_name), QEDE_TQSTAT_STRING(stat_name)}
#define QEDE_NUM_TQSTATS ARRAY_SIZE(qede_tqstats_arr)
static const struct {
u64 offset;
char string[ETH_GSTRING_LEN];
} qede_tqstats_arr[] = {
QEDE_TQSTAT(xmit_pkts),
QEDE_TQSTAT(stopped_cnt),
QEDE_TQSTAT(tx_mem_alloc_err),
};
#define QEDE_STAT_OFFSET(stat_name, type, base) \
(offsetof(type, stat_name) + (base))
#define QEDE_STAT_STRING(stat_name) (#stat_name)
#define _QEDE_STAT(stat_name, type, base, attr) \
{QEDE_STAT_OFFSET(stat_name, type, base), \
QEDE_STAT_STRING(stat_name), \
attr}
#define QEDE_STAT(stat_name) \
_QEDE_STAT(stat_name, struct qede_stats_common, 0, 0x0)
#define QEDE_PF_STAT(stat_name) \
_QEDE_STAT(stat_name, struct qede_stats_common, 0, \
BIT(QEDE_STAT_PF_ONLY))
#define QEDE_PF_BB_STAT(stat_name) \
_QEDE_STAT(stat_name, struct qede_stats_bb, \
offsetof(struct qede_stats, bb), \
BIT(QEDE_STAT_PF_ONLY) | BIT(QEDE_STAT_BB_ONLY))
#define QEDE_PF_AH_STAT(stat_name) \
_QEDE_STAT(stat_name, struct qede_stats_ah, \
offsetof(struct qede_stats, ah), \
BIT(QEDE_STAT_PF_ONLY) | BIT(QEDE_STAT_AH_ONLY))
static const struct {
u64 offset;
char string[ETH_GSTRING_LEN];
unsigned long attr;
#define QEDE_STAT_PF_ONLY 0
#define QEDE_STAT_BB_ONLY 1
#define QEDE_STAT_AH_ONLY 2
} qede_stats_arr[] = {
QEDE_STAT(rx_ucast_bytes),
QEDE_STAT(rx_mcast_bytes),
QEDE_STAT(rx_bcast_bytes),
QEDE_STAT(rx_ucast_pkts),
QEDE_STAT(rx_mcast_pkts),
QEDE_STAT(rx_bcast_pkts),
QEDE_STAT(tx_ucast_bytes),
QEDE_STAT(tx_mcast_bytes),
QEDE_STAT(tx_bcast_bytes),
QEDE_STAT(tx_ucast_pkts),
QEDE_STAT(tx_mcast_pkts),
QEDE_STAT(tx_bcast_pkts),
QEDE_PF_STAT(rx_64_byte_packets),
QEDE_PF_STAT(rx_65_to_127_byte_packets),
QEDE_PF_STAT(rx_128_to_255_byte_packets),
QEDE_PF_STAT(rx_256_to_511_byte_packets),
QEDE_PF_STAT(rx_512_to_1023_byte_packets),
QEDE_PF_STAT(rx_1024_to_1518_byte_packets),
QEDE_PF_BB_STAT(rx_1519_to_1522_byte_packets),
QEDE_PF_BB_STAT(rx_1519_to_2047_byte_packets),
QEDE_PF_BB_STAT(rx_2048_to_4095_byte_packets),
QEDE_PF_BB_STAT(rx_4096_to_9216_byte_packets),
QEDE_PF_BB_STAT(rx_9217_to_16383_byte_packets),
QEDE_PF_AH_STAT(rx_1519_to_max_byte_packets),
QEDE_PF_STAT(tx_64_byte_packets),
QEDE_PF_STAT(tx_65_to_127_byte_packets),
QEDE_PF_STAT(tx_128_to_255_byte_packets),
QEDE_PF_STAT(tx_256_to_511_byte_packets),
QEDE_PF_STAT(tx_512_to_1023_byte_packets),
QEDE_PF_STAT(tx_1024_to_1518_byte_packets),
QEDE_PF_BB_STAT(tx_1519_to_2047_byte_packets),
QEDE_PF_BB_STAT(tx_2048_to_4095_byte_packets),
QEDE_PF_BB_STAT(tx_4096_to_9216_byte_packets),
QEDE_PF_BB_STAT(tx_9217_to_16383_byte_packets),
QEDE_PF_AH_STAT(tx_1519_to_max_byte_packets),
QEDE_PF_STAT(rx_mac_crtl_frames),
QEDE_PF_STAT(tx_mac_ctrl_frames),
QEDE_PF_STAT(rx_pause_frames),
QEDE_PF_STAT(tx_pause_frames),
QEDE_PF_STAT(rx_pfc_frames),
QEDE_PF_STAT(tx_pfc_frames),
QEDE_PF_STAT(rx_crc_errors),
QEDE_PF_STAT(rx_align_errors),
QEDE_PF_STAT(rx_carrier_errors),
QEDE_PF_STAT(rx_oversize_packets),
QEDE_PF_STAT(rx_jabbers),
QEDE_PF_STAT(rx_undersize_packets),
QEDE_PF_STAT(rx_fragments),
QEDE_PF_BB_STAT(tx_lpi_entry_count),
QEDE_PF_BB_STAT(tx_total_collisions),
QEDE_PF_STAT(brb_truncates),
QEDE_PF_STAT(brb_discards),
QEDE_STAT(no_buff_discards),
QEDE_PF_STAT(mftag_filter_discards),
QEDE_PF_STAT(mac_filter_discards),
QEDE_PF_STAT(gft_filter_drop),
QEDE_STAT(tx_err_drop_pkts),
QEDE_STAT(ttl0_discard),
QEDE_STAT(packet_too_big_discard),
QEDE_STAT(coalesced_pkts),
QEDE_STAT(coalesced_events),
QEDE_STAT(coalesced_aborts_num),
QEDE_STAT(non_coalesced_pkts),
QEDE_STAT(coalesced_bytes),
QEDE_STAT(link_change_count),
QEDE_STAT(ptp_skip_txts),
};
#define QEDE_NUM_STATS ARRAY_SIZE(qede_stats_arr)
#define QEDE_STAT_IS_PF_ONLY(i) \
test_bit(QEDE_STAT_PF_ONLY, &qede_stats_arr[i].attr)
#define QEDE_STAT_IS_BB_ONLY(i) \
test_bit(QEDE_STAT_BB_ONLY, &qede_stats_arr[i].attr)
#define QEDE_STAT_IS_AH_ONLY(i) \
test_bit(QEDE_STAT_AH_ONLY, &qede_stats_arr[i].attr)
enum {
QEDE_PRI_FLAG_CMT,
QEDE_PRI_FLAG_SMART_AN_SUPPORT, /* MFW supports SmartAN */
QEDE_PRI_FLAG_RECOVER_ON_ERROR,
QEDE_PRI_FLAG_ESL_SUPPORT, /* MFW supports Enhanced System Lockdown */
QEDE_PRI_FLAG_ESL_ACTIVE, /* Enhanced System Lockdown Active status */
QEDE_PRI_FLAG_LEN,
};
static const char qede_private_arr[QEDE_PRI_FLAG_LEN][ETH_GSTRING_LEN] = {
"Coupled-Function",
"SmartAN capable",
"Recover on error",
"ESL capable",
"ESL active",
};
enum qede_ethtool_tests {
QEDE_ETHTOOL_INT_LOOPBACK,
QEDE_ETHTOOL_INTERRUPT_TEST,
QEDE_ETHTOOL_MEMORY_TEST,
QEDE_ETHTOOL_REGISTER_TEST,
QEDE_ETHTOOL_CLOCK_TEST,
QEDE_ETHTOOL_NVRAM_TEST,
QEDE_ETHTOOL_TEST_MAX
};
static const char qede_tests_str_arr[QEDE_ETHTOOL_TEST_MAX][ETH_GSTRING_LEN] = {
"Internal loopback (offline)",
"Interrupt (online)\t",
"Memory (online)\t\t",
"Register (online)\t",
"Clock (online)\t\t",
"Nvram (online)\t\t",
};
/* Forced speed capabilities maps */
struct qede_forced_speed_map {
u32 speed;
__ETHTOOL_DECLARE_LINK_MODE_MASK(caps);
const u32 *cap_arr;
u32 arr_size;
};
#define QEDE_FORCED_SPEED_MAP(value) \
{ \
.speed = SPEED_##value, \
.cap_arr = qede_forced_speed_##value, \
.arr_size = ARRAY_SIZE(qede_forced_speed_##value), \
}
static const u32 qede_forced_speed_1000[] __initconst = {
ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
};
static const u32 qede_forced_speed_10000[] __initconst = {
ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT,
ETHTOOL_LINK_MODE_10000baseR_FEC_BIT,
ETHTOOL_LINK_MODE_10000baseCR_Full_BIT,
ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT,
};
static const u32 qede_forced_speed_20000[] __initconst = {
ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT,
};
static const u32 qede_forced_speed_25000[] __initconst = {
ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
};
static const u32 qede_forced_speed_40000[] __initconst = {
ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
};
static const u32 qede_forced_speed_50000[] __initconst = {
ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
};
static const u32 qede_forced_speed_100000[] __initconst = {
ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
};
static struct qede_forced_speed_map qede_forced_speed_maps[] __ro_after_init = {
QEDE_FORCED_SPEED_MAP(1000),
QEDE_FORCED_SPEED_MAP(10000),
QEDE_FORCED_SPEED_MAP(20000),
QEDE_FORCED_SPEED_MAP(25000),
QEDE_FORCED_SPEED_MAP(40000),
QEDE_FORCED_SPEED_MAP(50000),
QEDE_FORCED_SPEED_MAP(100000),
};
void __init qede_forced_speed_maps_init(void)
{
struct qede_forced_speed_map *map;
u32 i;
for (i = 0; i < ARRAY_SIZE(qede_forced_speed_maps); i++) {
map = qede_forced_speed_maps + i;
linkmode_set_bit_array(map->cap_arr, map->arr_size, map->caps);
map->cap_arr = NULL;
map->arr_size = 0;
}
}
/* Ethtool callbacks */
static void qede_get_strings_stats_txq(struct qede_dev *edev,
struct qede_tx_queue *txq, u8 **buf)
{
int i;
for (i = 0; i < QEDE_NUM_TQSTATS; i++) {
if (txq->is_xdp)
sprintf(*buf, "%d [XDP]: %s",
QEDE_TXQ_XDP_TO_IDX(edev, txq),
qede_tqstats_arr[i].string);
else
sprintf(*buf, "%d_%d: %s", txq->index, txq->cos,
qede_tqstats_arr[i].string);
*buf += ETH_GSTRING_LEN;
}
}
static void qede_get_strings_stats_rxq(struct qede_dev *edev,
struct qede_rx_queue *rxq, u8 **buf)
{
int i;
for (i = 0; i < QEDE_NUM_RQSTATS; i++) {
sprintf(*buf, "%d: %s", rxq->rxq_id,
qede_rqstats_arr[i].string);
*buf += ETH_GSTRING_LEN;
}
}
static bool qede_is_irrelevant_stat(struct qede_dev *edev, int stat_index)
{
return (IS_VF(edev) && QEDE_STAT_IS_PF_ONLY(stat_index)) ||
(QEDE_IS_BB(edev) && QEDE_STAT_IS_AH_ONLY(stat_index)) ||
(QEDE_IS_AH(edev) && QEDE_STAT_IS_BB_ONLY(stat_index));
}
static void qede_get_strings_stats(struct qede_dev *edev, u8 *buf)
{
struct qede_fastpath *fp;
int i;
/* Account for queue statistics */
for (i = 0; i < QEDE_QUEUE_CNT(edev); i++) {
fp = &edev->fp_array[i];
if (fp->type & QEDE_FASTPATH_RX)
qede_get_strings_stats_rxq(edev, fp->rxq, &buf);
if (fp->type & QEDE_FASTPATH_XDP)
qede_get_strings_stats_txq(edev, fp->xdp_tx, &buf);
if (fp->type & QEDE_FASTPATH_TX) {
int cos;
for_each_cos_in_txq(edev, cos)
qede_get_strings_stats_txq(edev,
&fp->txq[cos], &buf);
}
}
/* Account for non-queue statistics */
for (i = 0; i < QEDE_NUM_STATS; i++) {
if (qede_is_irrelevant_stat(edev, i))
continue;
strcpy(buf, qede_stats_arr[i].string);
buf += ETH_GSTRING_LEN;
}
}
static void qede_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
{
struct qede_dev *edev = netdev_priv(dev);
switch (stringset) {
case ETH_SS_STATS:
qede_get_strings_stats(edev, buf);
break;
case ETH_SS_PRIV_FLAGS:
memcpy(buf, qede_private_arr,
ETH_GSTRING_LEN * QEDE_PRI_FLAG_LEN);
break;
case ETH_SS_TEST:
memcpy(buf, qede_tests_str_arr,
ETH_GSTRING_LEN * QEDE_ETHTOOL_TEST_MAX);
break;
default:
DP_VERBOSE(edev, QED_MSG_DEBUG,
"Unsupported stringset 0x%08x\n", stringset);
}
}
static void qede_get_ethtool_stats_txq(struct qede_tx_queue *txq, u64 **buf)
{
int i;
for (i = 0; i < QEDE_NUM_TQSTATS; i++) {
**buf = *((u64 *)(((void *)txq) + qede_tqstats_arr[i].offset));
(*buf)++;
}
}
static void qede_get_ethtool_stats_rxq(struct qede_rx_queue *rxq, u64 **buf)
{
int i;
for (i = 0; i < QEDE_NUM_RQSTATS; i++) {
**buf = *((u64 *)(((void *)rxq) + qede_rqstats_arr[i].offset));
(*buf)++;
}
}
static void qede_get_ethtool_stats(struct net_device *dev,
struct ethtool_stats *stats, u64 *buf)
{
struct qede_dev *edev = netdev_priv(dev);
struct qede_fastpath *fp;
int i;
qede_fill_by_demand_stats(edev);
/* Need to protect the access to the fastpath array */
__qede_lock(edev);
for (i = 0; i < QEDE_QUEUE_CNT(edev); i++) {
fp = &edev->fp_array[i];
if (fp->type & QEDE_FASTPATH_RX)
qede_get_ethtool_stats_rxq(fp->rxq, &buf);
if (fp->type & QEDE_FASTPATH_XDP)
qede_get_ethtool_stats_txq(fp->xdp_tx, &buf);
if (fp->type & QEDE_FASTPATH_TX) {
int cos;
for_each_cos_in_txq(edev, cos)
qede_get_ethtool_stats_txq(&fp->txq[cos], &buf);
}
}
for (i = 0; i < QEDE_NUM_STATS; i++) {
if (qede_is_irrelevant_stat(edev, i))
continue;
*buf = *((u64 *)(((void *)&edev->stats) +
qede_stats_arr[i].offset));
buf++;
}
__qede_unlock(edev);
}
static int qede_get_sset_count(struct net_device *dev, int stringset)
{
struct qede_dev *edev = netdev_priv(dev);
int num_stats = QEDE_NUM_STATS, i;
switch (stringset) {
case ETH_SS_STATS:
for (i = 0; i < QEDE_NUM_STATS; i++)
if (qede_is_irrelevant_stat(edev, i))
num_stats--;
/* Account for the Regular Tx statistics */
num_stats += QEDE_TSS_COUNT(edev) * QEDE_NUM_TQSTATS *
edev->dev_info.num_tc;
/* Account for the Regular Rx statistics */
num_stats += QEDE_RSS_COUNT(edev) * QEDE_NUM_RQSTATS;
/* Account for XDP statistics [if needed] */
if (edev->xdp_prog)
num_stats += QEDE_RSS_COUNT(edev) * QEDE_NUM_TQSTATS;
return num_stats;
case ETH_SS_PRIV_FLAGS:
return QEDE_PRI_FLAG_LEN;
case ETH_SS_TEST:
if (!IS_VF(edev))
return QEDE_ETHTOOL_TEST_MAX;
else
return 0;
default:
DP_VERBOSE(edev, QED_MSG_DEBUG,
"Unsupported stringset 0x%08x\n", stringset);
return -EINVAL;
}
}
static u32 qede_get_priv_flags(struct net_device *dev)
{
struct qede_dev *edev = netdev_priv(dev);
bool esl_active;
u32 flags = 0;
if (edev->dev_info.common.num_hwfns > 1)
flags |= BIT(QEDE_PRI_FLAG_CMT);
if (edev->dev_info.common.smart_an)
flags |= BIT(QEDE_PRI_FLAG_SMART_AN_SUPPORT);
if (edev->err_flags & BIT(QEDE_ERR_IS_RECOVERABLE))
flags |= BIT(QEDE_PRI_FLAG_RECOVER_ON_ERROR);
if (edev->dev_info.common.esl)
flags |= BIT(QEDE_PRI_FLAG_ESL_SUPPORT);
edev->ops->common->get_esl_status(edev->cdev, &esl_active);
if (esl_active)
flags |= BIT(QEDE_PRI_FLAG_ESL_ACTIVE);
return flags;
}
static int qede_set_priv_flags(struct net_device *dev, u32 flags)
{
struct qede_dev *edev = netdev_priv(dev);
u32 cflags = qede_get_priv_flags(dev);
u32 dflags = flags ^ cflags;
/* can only change RECOVER_ON_ERROR flag */
if (dflags & ~BIT(QEDE_PRI_FLAG_RECOVER_ON_ERROR))
return -EINVAL;
if (flags & BIT(QEDE_PRI_FLAG_RECOVER_ON_ERROR))
set_bit(QEDE_ERR_IS_RECOVERABLE, &edev->err_flags);
else
clear_bit(QEDE_ERR_IS_RECOVERABLE, &edev->err_flags);
return 0;
}
static int qede_get_link_ksettings(struct net_device *dev,
struct ethtool_link_ksettings *cmd)
{
typeof(cmd->link_modes) *link_modes = &cmd->link_modes;
struct ethtool_link_settings *base = &cmd->base;
struct qede_dev *edev = netdev_priv(dev);
struct qed_link_output current_link;
__qede_lock(edev);
memset(&current_link, 0, sizeof(current_link));
edev->ops->common->get_link(edev->cdev, &current_link);
linkmode_copy(link_modes->supported, current_link.supported_caps);
linkmode_copy(link_modes->advertising, current_link.advertised_caps);
linkmode_copy(link_modes->lp_advertising, current_link.lp_caps);
if ((edev->state == QEDE_STATE_OPEN) && (current_link.link_up)) {
base->speed = current_link.speed;
base->duplex = current_link.duplex;
} else {
base->speed = SPEED_UNKNOWN;
base->duplex = DUPLEX_UNKNOWN;
}
__qede_unlock(edev);
base->port = current_link.port;
base->autoneg = (current_link.autoneg) ? AUTONEG_ENABLE :
AUTONEG_DISABLE;
return 0;
}
static int qede_set_link_ksettings(struct net_device *dev,
const struct ethtool_link_ksettings *cmd)
{
const struct ethtool_link_settings *base = &cmd->base;
struct qede_dev *edev = netdev_priv(dev);
const struct qede_forced_speed_map *map;
struct qed_link_output current_link;
struct qed_link_params params;
u32 i;
if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) {
DP_INFO(edev, "Link settings are not allowed to be changed\n");
return -EOPNOTSUPP;
}
memset(&current_link, 0, sizeof(current_link));
memset(&params, 0, sizeof(params));
edev->ops->common->get_link(edev->cdev, &current_link);
params.override_flags |= QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS;
params.override_flags |= QED_LINK_OVERRIDE_SPEED_AUTONEG;
if (base->autoneg == AUTONEG_ENABLE) {
if (!phylink_test(current_link.supported_caps, Autoneg)) {
DP_INFO(edev, "Auto negotiation is not supported\n");
return -EOPNOTSUPP;
}
params.autoneg = true;
params.forced_speed = 0;
linkmode_copy(params.adv_speeds, cmd->link_modes.advertising);
} else { /* forced speed */
params.override_flags |= QED_LINK_OVERRIDE_SPEED_FORCED_SPEED;
params.autoneg = false;
params.forced_speed = base->speed;
for (i = 0; i < ARRAY_SIZE(qede_forced_speed_maps); i++) {
map = qede_forced_speed_maps + i;
if (base->speed != map->speed ||
!linkmode_intersects(current_link.supported_caps,
map->caps))
continue;
linkmode_and(params.adv_speeds,
current_link.supported_caps, map->caps);
goto set_link;
}
DP_INFO(edev, "Unsupported speed %u\n", base->speed);
return -EINVAL;
}
set_link:
params.link_up = true;
edev->ops->common->set_link(edev->cdev, &params);
return 0;
}
static void qede_get_drvinfo(struct net_device *ndev,
struct ethtool_drvinfo *info)
{
char mfw[ETHTOOL_FWVERS_LEN], storm[ETHTOOL_FWVERS_LEN];
struct qede_dev *edev = netdev_priv(ndev);
char mbi[ETHTOOL_FWVERS_LEN];
strlcpy(info->driver, "qede", sizeof(info->driver));
snprintf(storm, ETHTOOL_FWVERS_LEN, "%d.%d.%d.%d",
edev->dev_info.common.fw_major,
edev->dev_info.common.fw_minor,
edev->dev_info.common.fw_rev,
edev->dev_info.common.fw_eng);
snprintf(mfw, ETHTOOL_FWVERS_LEN, "%d.%d.%d.%d",
(edev->dev_info.common.mfw_rev >> 24) & 0xFF,
(edev->dev_info.common.mfw_rev >> 16) & 0xFF,
(edev->dev_info.common.mfw_rev >> 8) & 0xFF,
edev->dev_info.common.mfw_rev & 0xFF);
if ((strlen(storm) + strlen("[storm]")) <
sizeof(info->version))
snprintf(info->version, sizeof(info->version),
"[storm %s]", storm);
else
snprintf(info->version, sizeof(info->version),
"%s", storm);
if (edev->dev_info.common.mbi_version) {
snprintf(mbi, ETHTOOL_FWVERS_LEN, "%d.%d.%d",
(edev->dev_info.common.mbi_version &
QED_MBI_VERSION_2_MASK) >> QED_MBI_VERSION_2_OFFSET,
(edev->dev_info.common.mbi_version &
QED_MBI_VERSION_1_MASK) >> QED_MBI_VERSION_1_OFFSET,
(edev->dev_info.common.mbi_version &
QED_MBI_VERSION_0_MASK) >> QED_MBI_VERSION_0_OFFSET);
snprintf(info->fw_version, sizeof(info->fw_version),
"mbi %s [mfw %s]", mbi, mfw);
} else {
snprintf(info->fw_version, sizeof(info->fw_version),
"mfw %s", mfw);
}
strlcpy(info->bus_info, pci_name(edev->pdev), sizeof(info->bus_info));
}
static void qede_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
{
struct qede_dev *edev = netdev_priv(ndev);
if (edev->dev_info.common.wol_support) {
wol->supported = WAKE_MAGIC;
wol->wolopts = edev->wol_enabled ? WAKE_MAGIC : 0;
}
}
static int qede_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
{
struct qede_dev *edev = netdev_priv(ndev);
bool wol_requested;
int rc;
if (wol->wolopts & ~WAKE_MAGIC) {
DP_INFO(edev,
"Can't support WoL options other than magic-packet\n");
return -EINVAL;
}
wol_requested = !!(wol->wolopts & WAKE_MAGIC);
if (wol_requested == edev->wol_enabled)
return 0;
/* Need to actually change configuration */
if (!edev->dev_info.common.wol_support) {
DP_INFO(edev, "Device doesn't support WoL\n");
return -EINVAL;
}
rc = edev->ops->common->update_wol(edev->cdev, wol_requested);
if (!rc)
edev->wol_enabled = wol_requested;
return rc;
}
static u32 qede_get_msglevel(struct net_device *ndev)
{
struct qede_dev *edev = netdev_priv(ndev);
return ((u32)edev->dp_level << QED_LOG_LEVEL_SHIFT) | edev->dp_module;
}
static void qede_set_msglevel(struct net_device *ndev, u32 level)
{
struct qede_dev *edev = netdev_priv(ndev);
u32 dp_module = 0;
u8 dp_level = 0;
qede_config_debug(level, &dp_module, &dp_level);
edev->dp_level = dp_level;
edev->dp_module = dp_module;
edev->ops->common->update_msglvl(edev->cdev,
dp_module, dp_level);
}
static int qede_nway_reset(struct net_device *dev)
{
struct qede_dev *edev = netdev_priv(dev);
struct qed_link_output current_link;
struct qed_link_params link_params;
if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) {
DP_INFO(edev, "Link settings are not allowed to be changed\n");
return -EOPNOTSUPP;
}
if (!netif_running(dev))
return 0;
memset(&current_link, 0, sizeof(current_link));
edev->ops->common->get_link(edev->cdev, &current_link);
if (!current_link.link_up)
return 0;
/* Toggle the link */
memset(&link_params, 0, sizeof(link_params));
link_params.link_up = false;
edev->ops->common->set_link(edev->cdev, &link_params);
link_params.link_up = true;
edev->ops->common->set_link(edev->cdev, &link_params);
return 0;
}
static u32 qede_get_link(struct net_device *dev)
{
struct qede_dev *edev = netdev_priv(dev);
struct qed_link_output current_link;
memset(&current_link, 0, sizeof(current_link));
edev->ops->common->get_link(edev->cdev, &current_link);
return current_link.link_up;
}
static int qede_flash_device(struct net_device *dev,
struct ethtool_flash *flash)
{
struct qede_dev *edev = netdev_priv(dev);
return edev->ops->common->nvm_flash(edev->cdev, flash->data);
}
static int qede_get_coalesce(struct net_device *dev,
struct ethtool_coalesce *coal,
struct kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
void *rx_handle = NULL, *tx_handle = NULL;
struct qede_dev *edev = netdev_priv(dev);
u16 rx_coal, tx_coal, i, rc = 0;
struct qede_fastpath *fp;
rx_coal = QED_DEFAULT_RX_USECS;
tx_coal = QED_DEFAULT_TX_USECS;
memset(coal, 0, sizeof(struct ethtool_coalesce));
__qede_lock(edev);
if (edev->state == QEDE_STATE_OPEN) {
for_each_queue(i) {
fp = &edev->fp_array[i];
if (fp->type & QEDE_FASTPATH_RX) {
rx_handle = fp->rxq->handle;
break;
}
}
rc = edev->ops->get_coalesce(edev->cdev, &rx_coal, rx_handle);
if (rc) {
DP_INFO(edev, "Read Rx coalesce error\n");
goto out;
}
for_each_queue(i) {
struct qede_tx_queue *txq;
fp = &edev->fp_array[i];
/* All TX queues of given fastpath uses same
* coalescing value, so no need to iterate over
* all TCs, TC0 txq should suffice.
*/
if (fp->type & QEDE_FASTPATH_TX) {
txq = QEDE_FP_TC0_TXQ(fp);
tx_handle = txq->handle;
break;
}
}
rc = edev->ops->get_coalesce(edev->cdev, &tx_coal, tx_handle);
if (rc)
DP_INFO(edev, "Read Tx coalesce error\n");
}
out:
__qede_unlock(edev);
coal->rx_coalesce_usecs = rx_coal;
coal->tx_coalesce_usecs = tx_coal;
return rc;
}
int qede_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal,
struct kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
struct qede_dev *edev = netdev_priv(dev);
struct qede_fastpath *fp;
int i, rc = 0;
u16 rxc, txc;
if (!netif_running(dev)) {
DP_INFO(edev, "Interface is down\n");
return -EINVAL;
}
if (coal->rx_coalesce_usecs > QED_COALESCE_MAX ||
coal->tx_coalesce_usecs > QED_COALESCE_MAX) {
DP_INFO(edev,
"Can't support requested %s coalesce value [max supported value %d]\n",
coal->rx_coalesce_usecs > QED_COALESCE_MAX ? "rx" :
"tx", QED_COALESCE_MAX);
return -EINVAL;
}
rxc = (u16)coal->rx_coalesce_usecs;
txc = (u16)coal->tx_coalesce_usecs;
for_each_queue(i) {
fp = &edev->fp_array[i];
if (edev->fp_array[i].type & QEDE_FASTPATH_RX) {
rc = edev->ops->common->set_coalesce(edev->cdev,
rxc, 0,
fp->rxq->handle);
if (rc) {
DP_INFO(edev,
"Set RX coalesce error, rc = %d\n", rc);
return rc;
}
edev->coal_entry[i].rxc = rxc;
edev->coal_entry[i].isvalid = true;
}
if (edev->fp_array[i].type & QEDE_FASTPATH_TX) {
struct qede_tx_queue *txq;
/* All TX queues of given fastpath uses same
* coalescing value, so no need to iterate over
* all TCs, TC0 txq should suffice.
*/
txq = QEDE_FP_TC0_TXQ(fp);
rc = edev->ops->common->set_coalesce(edev->cdev,
0, txc,
txq->handle);
if (rc) {
DP_INFO(edev,
"Set TX coalesce error, rc = %d\n", rc);
return rc;
}
edev->coal_entry[i].txc = txc;
edev->coal_entry[i].isvalid = true;
}
}
return rc;
}
static void qede_get_ringparam(struct net_device *dev,
struct ethtool_ringparam *ering,
struct kernel_ethtool_ringparam *kernel_ering,
struct netlink_ext_ack *extack)
{
struct qede_dev *edev = netdev_priv(dev);
ering->rx_max_pending = NUM_RX_BDS_MAX;
ering->rx_pending = edev->q_num_rx_buffers;
ering->tx_max_pending = NUM_TX_BDS_MAX;
ering->tx_pending = edev->q_num_tx_buffers;
}
static int qede_set_ringparam(struct net_device *dev,
struct ethtool_ringparam *ering,
struct kernel_ethtool_ringparam *kernel_ering,
struct netlink_ext_ack *extack)
{
struct qede_dev *edev = netdev_priv(dev);
DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
"Set ring params command parameters: rx_pending = %d, tx_pending = %d\n",
ering->rx_pending, ering->tx_pending);
/* Validate legality of configuration */
if (ering->rx_pending > NUM_RX_BDS_MAX ||
ering->rx_pending < NUM_RX_BDS_MIN ||
ering->tx_pending > NUM_TX_BDS_MAX ||
ering->tx_pending < NUM_TX_BDS_MIN) {
DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
"Can only support Rx Buffer size [0%08x,...,0x%08x] and Tx Buffer size [0x%08x,...,0x%08x]\n",
NUM_RX_BDS_MIN, NUM_RX_BDS_MAX,
NUM_TX_BDS_MIN, NUM_TX_BDS_MAX);
return -EINVAL;
}
/* Change ring size and re-load */
edev->q_num_rx_buffers = ering->rx_pending;
edev->q_num_tx_buffers = ering->tx_pending;
qede_reload(edev, NULL, false);
return 0;
}
static void qede_get_pauseparam(struct net_device *dev,
struct ethtool_pauseparam *epause)
{
struct qede_dev *edev = netdev_priv(dev);
struct qed_link_output current_link;
memset(&current_link, 0, sizeof(current_link));
edev->ops->common->get_link(edev->cdev, &current_link);
if (current_link.pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
epause->autoneg = true;
if (current_link.pause_config & QED_LINK_PAUSE_RX_ENABLE)
epause->rx_pause = true;
if (current_link.pause_config & QED_LINK_PAUSE_TX_ENABLE)
epause->tx_pause = true;
DP_VERBOSE(edev, QED_MSG_DEBUG,
"ethtool_pauseparam: cmd %d autoneg %d rx_pause %d tx_pause %d\n",
epause->cmd, epause->autoneg, epause->rx_pause,
epause->tx_pause);
}
static int qede_set_pauseparam(struct net_device *dev,
struct ethtool_pauseparam *epause)
{
struct qede_dev *edev = netdev_priv(dev);
struct qed_link_params params;
struct qed_link_output current_link;
if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) {
DP_INFO(edev,
"Pause settings are not allowed to be changed\n");
return -EOPNOTSUPP;
}
memset(&current_link, 0, sizeof(current_link));
edev->ops->common->get_link(edev->cdev, &current_link);
memset(&params, 0, sizeof(params));
params.override_flags |= QED_LINK_OVERRIDE_PAUSE_CONFIG;
if (epause->autoneg) {
if (!phylink_test(current_link.supported_caps, Autoneg)) {
DP_INFO(edev, "autoneg not supported\n");
return -EINVAL;
}
params.pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
}
if (epause->rx_pause)
params.pause_config |= QED_LINK_PAUSE_RX_ENABLE;
if (epause->tx_pause)
params.pause_config |= QED_LINK_PAUSE_TX_ENABLE;
params.link_up = true;
edev->ops->common->set_link(edev->cdev, &params);
return 0;
}
static void qede_get_regs(struct net_device *ndev,
struct ethtool_regs *regs, void *buffer)
{
struct qede_dev *edev = netdev_priv(ndev);
regs->version = 0;
memset(buffer, 0, regs->len);
if (edev->ops && edev->ops->common)
edev->ops->common->dbg_all_data(edev->cdev, buffer);
}
static int qede_get_regs_len(struct net_device *ndev)
{
struct qede_dev *edev = netdev_priv(ndev);
if (edev->ops && edev->ops->common)
return edev->ops->common->dbg_all_data_size(edev->cdev);
else
return -EINVAL;
}
static void qede_update_mtu(struct qede_dev *edev,
struct qede_reload_args *args)
{
edev->ndev->mtu = args->u.mtu;
}
/* Netdevice NDOs */
int qede_change_mtu(struct net_device *ndev, int new_mtu)
{
struct qede_dev *edev = netdev_priv(ndev);
struct qede_reload_args args;
DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
"Configuring MTU size of %d\n", new_mtu);
if (new_mtu > PAGE_SIZE)
ndev->features &= ~NETIF_F_GRO_HW;
/* Set the mtu field and re-start the interface if needed */
args.u.mtu = new_mtu;
args.func = &qede_update_mtu;
qede_reload(edev, &args, false);
#if IS_ENABLED(CONFIG_QED_RDMA)
qede_rdma_event_change_mtu(edev);
#endif
edev->ops->common->update_mtu(edev->cdev, new_mtu);
return 0;
}
static void qede_get_channels(struct net_device *dev,
struct ethtool_channels *channels)
{
struct qede_dev *edev = netdev_priv(dev);
channels->max_combined = QEDE_MAX_RSS_CNT(edev);
channels->max_rx = QEDE_MAX_RSS_CNT(edev);
channels->max_tx = QEDE_MAX_RSS_CNT(edev);
channels->combined_count = QEDE_QUEUE_CNT(edev) - edev->fp_num_tx -
edev->fp_num_rx;
channels->tx_count = edev->fp_num_tx;
channels->rx_count = edev->fp_num_rx;
}
static int qede_set_channels(struct net_device *dev,
struct ethtool_channels *channels)
{
struct qede_dev *edev = netdev_priv(dev);
u32 count;
DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
"set-channels command parameters: rx = %d, tx = %d, other = %d, combined = %d\n",
channels->rx_count, channels->tx_count,
channels->other_count, channels->combined_count);
count = channels->rx_count + channels->tx_count +
channels->combined_count;
/* We don't support `other' channels */
if (channels->other_count) {
DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
"command parameters not supported\n");
return -EINVAL;
}
if (!(channels->combined_count || (channels->rx_count &&
channels->tx_count))) {
DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
"need to request at least one transmit and one receive channel\n");
return -EINVAL;
}
if (count > QEDE_MAX_RSS_CNT(edev)) {
DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
"requested channels = %d max supported channels = %d\n",
count, QEDE_MAX_RSS_CNT(edev));
return -EINVAL;
}
/* Check if there was a change in the active parameters */
if ((count == QEDE_QUEUE_CNT(edev)) &&
(channels->tx_count == edev->fp_num_tx) &&
(channels->rx_count == edev->fp_num_rx)) {
DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
"No change in active parameters\n");
return 0;
}
/* We need the number of queues to be divisible between the hwfns */
if ((count % edev->dev_info.common.num_hwfns) ||
(channels->tx_count % edev->dev_info.common.num_hwfns) ||
(channels->rx_count % edev->dev_info.common.num_hwfns)) {
DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
"Number of channels must be divisible by %04x\n",
edev->dev_info.common.num_hwfns);
return -EINVAL;
}
/* Set number of queues and reload if necessary */
edev->req_queues = count;
edev->req_num_tx = channels->tx_count;
edev->req_num_rx = channels->rx_count;
/* Reset the indirection table if rx queue count is updated */
if ((edev->req_queues - edev->req_num_tx) != QEDE_RSS_COUNT(edev)) {
edev->rss_params_inited &= ~QEDE_RSS_INDIR_INITED;
memset(edev->rss_ind_table, 0, sizeof(edev->rss_ind_table));
}
qede_reload(edev, NULL, false);
return 0;
}
static int qede_get_ts_info(struct net_device *dev,
struct ethtool_ts_info *info)
{
struct qede_dev *edev = netdev_priv(dev);
return qede_ptp_get_ts_info(edev, info);
}
static int qede_set_phys_id(struct net_device *dev,
enum ethtool_phys_id_state state)
{
struct qede_dev *edev = netdev_priv(dev);
u8 led_state = 0;
switch (state) {
case ETHTOOL_ID_ACTIVE:
return 1; /* cycle on/off once per second */
case ETHTOOL_ID_ON:
led_state = QED_LED_MODE_ON;
break;
case ETHTOOL_ID_OFF:
led_state = QED_LED_MODE_OFF;
break;
case ETHTOOL_ID_INACTIVE:
led_state = QED_LED_MODE_RESTORE;
break;
}
edev->ops->common->set_led(edev->cdev, led_state);
return 0;
}
static int qede_get_rss_flags(struct qede_dev *edev, struct ethtool_rxnfc *info)
{
info->data = RXH_IP_SRC | RXH_IP_DST;
switch (info->flow_type) {
case TCP_V4_FLOW:
case TCP_V6_FLOW:
info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
break;
case UDP_V4_FLOW:
if (edev->rss_caps & QED_RSS_IPV4_UDP)
info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
break;
case UDP_V6_FLOW:
if (edev->rss_caps & QED_RSS_IPV6_UDP)
info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
break;
case IPV4_FLOW:
case IPV6_FLOW:
break;
default:
info->data = 0;
break;
}
return 0;
}
static int qede_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
u32 *rule_locs)
{
struct qede_dev *edev = netdev_priv(dev);
int rc = 0;
switch (info->cmd) {
case ETHTOOL_GRXRINGS:
info->data = QEDE_RSS_COUNT(edev);
break;
case ETHTOOL_GRXFH:
rc = qede_get_rss_flags(edev, info);
break;
case ETHTOOL_GRXCLSRLCNT:
info->rule_cnt = qede_get_arfs_filter_count(edev);
info->data = QEDE_RFS_MAX_FLTR;
break;
case ETHTOOL_GRXCLSRULE:
rc = qede_get_cls_rule_entry(edev, info);
break;
case ETHTOOL_GRXCLSRLALL:
rc = qede_get_cls_rule_all(edev, info, rule_locs);
break;
default:
DP_ERR(edev, "Command parameters not supported\n");
rc = -EOPNOTSUPP;
}
return rc;
}
static int qede_set_rss_flags(struct qede_dev *edev, struct ethtool_rxnfc *info)
{
struct qed_update_vport_params *vport_update_params;
u8 set_caps = 0, clr_caps = 0;
int rc = 0;
DP_VERBOSE(edev, QED_MSG_DEBUG,
"Set rss flags command parameters: flow type = %d, data = %llu\n",
info->flow_type, info->data);
switch (info->flow_type) {
case TCP_V4_FLOW:
case TCP_V6_FLOW:
/* For TCP only 4-tuple hash is supported */
if (info->data ^ (RXH_IP_SRC | RXH_IP_DST |
RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
DP_INFO(edev, "Command parameters not supported\n");
return -EINVAL;
}
return 0;
case UDP_V4_FLOW:
/* For UDP either 2-tuple hash or 4-tuple hash is supported */
if (info->data == (RXH_IP_SRC | RXH_IP_DST |
RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
set_caps = QED_RSS_IPV4_UDP;
DP_VERBOSE(edev, QED_MSG_DEBUG,
"UDP 4-tuple enabled\n");
} else if (info->data == (RXH_IP_SRC | RXH_IP_DST)) {
clr_caps = QED_RSS_IPV4_UDP;
DP_VERBOSE(edev, QED_MSG_DEBUG,
"UDP 4-tuple disabled\n");
} else {
return -EINVAL;
}
break;
case UDP_V6_FLOW:
/* For UDP either 2-tuple hash or 4-tuple hash is supported */
if (info->data == (RXH_IP_SRC | RXH_IP_DST |
RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
set_caps = QED_RSS_IPV6_UDP;
DP_VERBOSE(edev, QED_MSG_DEBUG,
"UDP 4-tuple enabled\n");
} else if (info->data == (RXH_IP_SRC | RXH_IP_DST)) {
clr_caps = QED_RSS_IPV6_UDP;
DP_VERBOSE(edev, QED_MSG_DEBUG,
"UDP 4-tuple disabled\n");
} else {
return -EINVAL;
}
break;
case IPV4_FLOW:
case IPV6_FLOW:
/* For IP only 2-tuple hash is supported */
if (info->data ^ (RXH_IP_SRC | RXH_IP_DST)) {
DP_INFO(edev, "Command parameters not supported\n");
return -EINVAL;
}
return 0;
case SCTP_V4_FLOW:
case AH_ESP_V4_FLOW:
case AH_V4_FLOW:
case ESP_V4_FLOW:
case SCTP_V6_FLOW:
case AH_ESP_V6_FLOW:
case AH_V6_FLOW:
case ESP_V6_FLOW:
case IP_USER_FLOW:
case ETHER_FLOW:
/* RSS is not supported for these protocols */
if (info->data) {
DP_INFO(edev, "Command parameters not supported\n");
return -EINVAL;
}
return 0;
default:
return -EINVAL;
}
/* No action is needed if there is no change in the rss capability */
if (edev->rss_caps == ((edev->rss_caps & ~clr_caps) | set_caps))
return 0;
/* Update internal configuration */
edev->rss_caps = ((edev->rss_caps & ~clr_caps) | set_caps);
edev->rss_params_inited |= QEDE_RSS_CAPS_INITED;
/* Re-configure if possible */
__qede_lock(edev);
if (edev->state == QEDE_STATE_OPEN) {
vport_update_params = vzalloc(sizeof(*vport_update_params));
if (!vport_update_params) {
__qede_unlock(edev);
return -ENOMEM;
}
qede_fill_rss_params(edev, &vport_update_params->rss_params,
&vport_update_params->update_rss_flg);
rc = edev->ops->vport_update(edev->cdev, vport_update_params);
vfree(vport_update_params);
}
__qede_unlock(edev);
return rc;
}
static int qede_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info)
{
struct qede_dev *edev = netdev_priv(dev);
int rc;
switch (info->cmd) {
case ETHTOOL_SRXFH:
rc = qede_set_rss_flags(edev, info);
break;
case ETHTOOL_SRXCLSRLINS:
rc = qede_add_cls_rule(edev, info);
break;
case ETHTOOL_SRXCLSRLDEL:
rc = qede_delete_flow_filter(edev, info->fs.location);
break;
default:
DP_INFO(edev, "Command parameters not supported\n");
rc = -EOPNOTSUPP;
}
return rc;
}
static u32 qede_get_rxfh_indir_size(struct net_device *dev)
{
return QED_RSS_IND_TABLE_SIZE;
}
static u32 qede_get_rxfh_key_size(struct net_device *dev)
{
struct qede_dev *edev = netdev_priv(dev);
return sizeof(edev->rss_key);
}
static int qede_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, u8 *hfunc)
{
struct qede_dev *edev = netdev_priv(dev);
int i;
if (hfunc)
*hfunc = ETH_RSS_HASH_TOP;
if (!indir)
return 0;
for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i++)
indir[i] = edev->rss_ind_table[i];
if (key)
memcpy(key, edev->rss_key, qede_get_rxfh_key_size(dev));
return 0;
}
static int qede_set_rxfh(struct net_device *dev, const u32 *indir,
const u8 *key, const u8 hfunc)
{
struct qed_update_vport_params *vport_update_params;
struct qede_dev *edev = netdev_priv(dev);
int i, rc = 0;
if (edev->dev_info.common.num_hwfns > 1) {
DP_INFO(edev,
"RSS configuration is not supported for 100G devices\n");
return -EOPNOTSUPP;
}
if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
return -EOPNOTSUPP;
if (!indir && !key)
return 0;
if (indir) {
for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i++)
edev->rss_ind_table[i] = indir[i];
edev->rss_params_inited |= QEDE_RSS_INDIR_INITED;
}
if (key) {
memcpy(&edev->rss_key, key, qede_get_rxfh_key_size(dev));
edev->rss_params_inited |= QEDE_RSS_KEY_INITED;
}
__qede_lock(edev);
if (edev->state == QEDE_STATE_OPEN) {
vport_update_params = vzalloc(sizeof(*vport_update_params));
if (!vport_update_params) {
__qede_unlock(edev);
return -ENOMEM;
}
qede_fill_rss_params(edev, &vport_update_params->rss_params,
&vport_update_params->update_rss_flg);
rc = edev->ops->vport_update(edev->cdev, vport_update_params);
vfree(vport_update_params);
}
__qede_unlock(edev);
return rc;
}
/* This function enables the interrupt generation and the NAPI on the device */
static void qede_netif_start(struct qede_dev *edev)
{
int i;
if (!netif_running(edev->ndev))
return;
for_each_queue(i) {
/* Update and reenable interrupts */
qed_sb_ack(edev->fp_array[i].sb_info, IGU_INT_ENABLE, 1);
napi_enable(&edev->fp_array[i].napi);
}
}
/* This function disables the NAPI and the interrupt generation on the device */
static void qede_netif_stop(struct qede_dev *edev)
{
int i;
for_each_queue(i) {
napi_disable(&edev->fp_array[i].napi);
/* Disable interrupts */
qed_sb_ack(edev->fp_array[i].sb_info, IGU_INT_DISABLE, 0);
}
}
static int qede_selftest_transmit_traffic(struct qede_dev *edev,
struct sk_buff *skb)
{
struct qede_tx_queue *txq = NULL;
struct eth_tx_1st_bd *first_bd;
dma_addr_t mapping;
int i, idx;
u16 val;
for_each_queue(i) {
struct qede_fastpath *fp = &edev->fp_array[i];
if (fp->type & QEDE_FASTPATH_TX) {
txq = QEDE_FP_TC0_TXQ(fp);
break;
}
}
if (!txq) {
DP_NOTICE(edev, "Tx path is not available\n");
return -1;
}
/* Fill the entry in the SW ring and the BDs in the FW ring */
idx = txq->sw_tx_prod;
txq->sw_tx_ring.skbs[idx].skb = skb;
first_bd = qed_chain_produce(&txq->tx_pbl);
memset(first_bd, 0, sizeof(*first_bd));
val = 1 << ETH_TX_1ST_BD_FLAGS_START_BD_SHIFT;
first_bd->data.bd_flags.bitfields = val;
val = skb->len & ETH_TX_DATA_1ST_BD_PKT_LEN_MASK;
val = val << ETH_TX_DATA_1ST_BD_PKT_LEN_SHIFT;
first_bd->data.bitfields |= cpu_to_le16(val);
/* Map skb linear data for DMA and set in the first BD */
mapping = dma_map_single(&edev->pdev->dev, skb->data,
skb_headlen(skb), DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(&edev->pdev->dev, mapping))) {
DP_NOTICE(edev, "SKB mapping failed\n");
return -ENOMEM;
}
BD_SET_UNMAP_ADDR_LEN(first_bd, mapping, skb_headlen(skb));
/* update the first BD with the actual num BDs */
first_bd->data.nbds = 1;
txq->sw_tx_prod = (txq->sw_tx_prod + 1) % txq->num_tx_buffers;
/* 'next page' entries are counted in the producer value */
val = qed_chain_get_prod_idx(&txq->tx_pbl);
txq->tx_db.data.bd_prod = cpu_to_le16(val);
/* wmb makes sure that the BDs data is updated before updating the
* producer, otherwise FW may read old data from the BDs.
*/
wmb();
barrier();
writel(txq->tx_db.raw, txq->doorbell_addr);
for (i = 0; i < QEDE_SELFTEST_POLL_COUNT; i++) {
if (qede_txq_has_work(txq))
break;
usleep_range(100, 200);
}
if (!qede_txq_has_work(txq)) {
DP_NOTICE(edev, "Tx completion didn't happen\n");
return -1;
}
first_bd = (struct eth_tx_1st_bd *)qed_chain_consume(&txq->tx_pbl);
dma_unmap_single(&edev->pdev->dev, BD_UNMAP_ADDR(first_bd),
BD_UNMAP_LEN(first_bd), DMA_TO_DEVICE);
txq->sw_tx_cons = (txq->sw_tx_cons + 1) % txq->num_tx_buffers;
txq->sw_tx_ring.skbs[idx].skb = NULL;
return 0;
}
static int qede_selftest_receive_traffic(struct qede_dev *edev)
{
u16 sw_rx_index, len;
struct eth_fast_path_rx_reg_cqe *fp_cqe;
struct qede_rx_queue *rxq = NULL;
struct sw_rx_data *sw_rx_data;
union eth_rx_cqe *cqe;
int i, iter, rc = 0;
u8 *data_ptr;
for_each_queue(i) {
if (edev->fp_array[i].type & QEDE_FASTPATH_RX) {
rxq = edev->fp_array[i].rxq;
break;
}
}
if (!rxq) {
DP_NOTICE(edev, "Rx path is not available\n");
return -1;
}
/* The packet is expected to receive on rx-queue 0 even though RSS is
* enabled. This is because the queue 0 is configured as the default
* queue and that the loopback traffic is not IP.
*/
for (iter = 0; iter < QEDE_SELFTEST_POLL_COUNT; iter++) {
if (!qede_has_rx_work(rxq)) {
usleep_range(100, 200);
continue;
}
/* Get the CQE from the completion ring */
cqe = (union eth_rx_cqe *)qed_chain_consume(&rxq->rx_comp_ring);
/* Get the data from the SW ring */
sw_rx_index = rxq->sw_rx_cons & NUM_RX_BDS_MAX;
sw_rx_data = &rxq->sw_rx_ring[sw_rx_index];
fp_cqe = &cqe->fast_path_regular;
len = le16_to_cpu(fp_cqe->len_on_first_bd);
data_ptr = (u8 *)(page_address(sw_rx_data->data) +
fp_cqe->placement_offset +
sw_rx_data->page_offset +
rxq->rx_headroom);
if (ether_addr_equal(data_ptr, edev->ndev->dev_addr) &&
ether_addr_equal(data_ptr + ETH_ALEN,
edev->ndev->dev_addr)) {
for (i = ETH_HLEN; i < len; i++)
if (data_ptr[i] != (unsigned char)(i & 0xff)) {
rc = -1;
break;
}
qede_recycle_rx_bd_ring(rxq, 1);
qed_chain_recycle_consumed(&rxq->rx_comp_ring);
break;
}
DP_INFO(edev, "Not the transmitted packet\n");
qede_recycle_rx_bd_ring(rxq, 1);
qed_chain_recycle_consumed(&rxq->rx_comp_ring);
}
if (iter == QEDE_SELFTEST_POLL_COUNT) {
DP_NOTICE(edev, "Failed to receive the traffic\n");
return -1;
}
qede_update_rx_prod(edev, rxq);
return rc;
}
static int qede_selftest_run_loopback(struct qede_dev *edev, u32 loopback_mode)
{
struct qed_link_params link_params;
struct sk_buff *skb = NULL;
int rc = 0, i;
u32 pkt_size;
u8 *packet;
if (!netif_running(edev->ndev)) {
DP_NOTICE(edev, "Interface is down\n");
return -EINVAL;
}
qede_netif_stop(edev);
/* Bring up the link in Loopback mode */
memset(&link_params, 0, sizeof(link_params));
link_params.link_up = true;
link_params.override_flags = QED_LINK_OVERRIDE_LOOPBACK_MODE;
link_params.loopback_mode = loopback_mode;
edev->ops->common->set_link(edev->cdev, &link_params);
/* Wait for loopback configuration to apply */
msleep_interruptible(500);
/* Setting max packet size to 1.5K to avoid data being split over
* multiple BDs in cases where MTU > PAGE_SIZE.
*/
pkt_size = (((edev->ndev->mtu < ETH_DATA_LEN) ?
edev->ndev->mtu : ETH_DATA_LEN) + ETH_HLEN);
skb = netdev_alloc_skb(edev->ndev, pkt_size);
if (!skb) {
DP_INFO(edev, "Can't allocate skb\n");
rc = -ENOMEM;
goto test_loopback_exit;
}
packet = skb_put(skb, pkt_size);
ether_addr_copy(packet, edev->ndev->dev_addr);
ether_addr_copy(packet + ETH_ALEN, edev->ndev->dev_addr);
memset(packet + (2 * ETH_ALEN), 0x77, (ETH_HLEN - (2 * ETH_ALEN)));
for (i = ETH_HLEN; i < pkt_size; i++)
packet[i] = (unsigned char)(i & 0xff);
rc = qede_selftest_transmit_traffic(edev, skb);
if (rc)
goto test_loopback_exit;
rc = qede_selftest_receive_traffic(edev);
if (rc)
goto test_loopback_exit;
DP_VERBOSE(edev, NETIF_MSG_RX_STATUS, "Loopback test successful\n");
test_loopback_exit:
dev_kfree_skb(skb);
/* Bring up the link in Normal mode */
memset(&link_params, 0, sizeof(link_params));
link_params.link_up = true;
link_params.override_flags = QED_LINK_OVERRIDE_LOOPBACK_MODE;
link_params.loopback_mode = QED_LINK_LOOPBACK_NONE;
edev->ops->common->set_link(edev->cdev, &link_params);
/* Wait for loopback configuration to apply */
msleep_interruptible(500);
qede_netif_start(edev);
return rc;
}
static void qede_self_test(struct net_device *dev,
struct ethtool_test *etest, u64 *buf)
{
struct qede_dev *edev = netdev_priv(dev);
DP_VERBOSE(edev, QED_MSG_DEBUG,
"Self-test command parameters: offline = %d, external_lb = %d\n",
(etest->flags & ETH_TEST_FL_OFFLINE),
(etest->flags & ETH_TEST_FL_EXTERNAL_LB) >> 2);
memset(buf, 0, sizeof(u64) * QEDE_ETHTOOL_TEST_MAX);
if (etest->flags & ETH_TEST_FL_OFFLINE) {
if (qede_selftest_run_loopback(edev,
QED_LINK_LOOPBACK_INT_PHY)) {
buf[QEDE_ETHTOOL_INT_LOOPBACK] = 1;
etest->flags |= ETH_TEST_FL_FAILED;
}
}
if (edev->ops->common->selftest->selftest_interrupt(edev->cdev)) {
buf[QEDE_ETHTOOL_INTERRUPT_TEST] = 1;
etest->flags |= ETH_TEST_FL_FAILED;
}
if (edev->ops->common->selftest->selftest_memory(edev->cdev)) {
buf[QEDE_ETHTOOL_MEMORY_TEST] = 1;
etest->flags |= ETH_TEST_FL_FAILED;
}
if (edev->ops->common->selftest->selftest_register(edev->cdev)) {
buf[QEDE_ETHTOOL_REGISTER_TEST] = 1;
etest->flags |= ETH_TEST_FL_FAILED;
}
if (edev->ops->common->selftest->selftest_clock(edev->cdev)) {
buf[QEDE_ETHTOOL_CLOCK_TEST] = 1;
etest->flags |= ETH_TEST_FL_FAILED;
}
if (edev->ops->common->selftest->selftest_nvram(edev->cdev)) {
buf[QEDE_ETHTOOL_NVRAM_TEST] = 1;
etest->flags |= ETH_TEST_FL_FAILED;
}
}
static int qede_set_tunable(struct net_device *dev,
const struct ethtool_tunable *tuna,
const void *data)
{
struct qede_dev *edev = netdev_priv(dev);
u32 val;
switch (tuna->id) {
case ETHTOOL_RX_COPYBREAK:
val = *(u32 *)data;
if (val < QEDE_MIN_PKT_LEN || val > QEDE_RX_HDR_SIZE) {
DP_VERBOSE(edev, QED_MSG_DEBUG,
"Invalid rx copy break value, range is [%u, %u]",
QEDE_MIN_PKT_LEN, QEDE_RX_HDR_SIZE);
return -EINVAL;
}
edev->rx_copybreak = *(u32 *)data;
break;
default:
return -EOPNOTSUPP;
}
return 0;
}
static int qede_get_tunable(struct net_device *dev,
const struct ethtool_tunable *tuna, void *data)
{
struct qede_dev *edev = netdev_priv(dev);
switch (tuna->id) {
case ETHTOOL_RX_COPYBREAK:
*(u32 *)data = edev->rx_copybreak;
break;
default:
return -EOPNOTSUPP;
}
return 0;
}
static int qede_get_eee(struct net_device *dev, struct ethtool_eee *edata)
{
struct qede_dev *edev = netdev_priv(dev);
struct qed_link_output current_link;
memset(&current_link, 0, sizeof(current_link));
edev->ops->common->get_link(edev->cdev, &current_link);
if (!current_link.eee_supported) {
DP_INFO(edev, "EEE is not supported\n");
return -EOPNOTSUPP;
}
if (current_link.eee.adv_caps & QED_EEE_1G_ADV)
edata->advertised = ADVERTISED_1000baseT_Full;
if (current_link.eee.adv_caps & QED_EEE_10G_ADV)
edata->advertised |= ADVERTISED_10000baseT_Full;
if (current_link.sup_caps & QED_EEE_1G_ADV)
edata->supported = ADVERTISED_1000baseT_Full;
if (current_link.sup_caps & QED_EEE_10G_ADV)
edata->supported |= ADVERTISED_10000baseT_Full;
if (current_link.eee.lp_adv_caps & QED_EEE_1G_ADV)
edata->lp_advertised = ADVERTISED_1000baseT_Full;
if (current_link.eee.lp_adv_caps & QED_EEE_10G_ADV)
edata->lp_advertised |= ADVERTISED_10000baseT_Full;
edata->tx_lpi_timer = current_link.eee.tx_lpi_timer;
edata->eee_enabled = current_link.eee.enable;
edata->tx_lpi_enabled = current_link.eee.tx_lpi_enable;
edata->eee_active = current_link.eee_active;
return 0;
}
static int qede_set_eee(struct net_device *dev, struct ethtool_eee *edata)
{
struct qede_dev *edev = netdev_priv(dev);
struct qed_link_output current_link;
struct qed_link_params params;
if (!edev->ops->common->can_link_change(edev->cdev)) {
DP_INFO(edev, "Link settings are not allowed to be changed\n");
return -EOPNOTSUPP;
}
memset(&current_link, 0, sizeof(current_link));
edev->ops->common->get_link(edev->cdev, &current_link);
if (!current_link.eee_supported) {
DP_INFO(edev, "EEE is not supported\n");
return -EOPNOTSUPP;
}
memset(&params, 0, sizeof(params));
params.override_flags |= QED_LINK_OVERRIDE_EEE_CONFIG;
if (!(edata->advertised & (ADVERTISED_1000baseT_Full |
ADVERTISED_10000baseT_Full)) ||
((edata->advertised & (ADVERTISED_1000baseT_Full |
ADVERTISED_10000baseT_Full)) !=
edata->advertised)) {
DP_VERBOSE(edev, QED_MSG_DEBUG,
"Invalid advertised capabilities %d\n",
edata->advertised);
return -EINVAL;
}
if (edata->advertised & ADVERTISED_1000baseT_Full)
params.eee.adv_caps = QED_EEE_1G_ADV;
if (edata->advertised & ADVERTISED_10000baseT_Full)
params.eee.adv_caps |= QED_EEE_10G_ADV;
params.eee.enable = edata->eee_enabled;
params.eee.tx_lpi_enable = edata->tx_lpi_enabled;
params.eee.tx_lpi_timer = edata->tx_lpi_timer;
params.link_up = true;
edev->ops->common->set_link(edev->cdev, &params);
return 0;
}
static u32 qede_link_to_ethtool_fec(u32 link_fec)
{
u32 eth_fec = 0;
if (link_fec & QED_FEC_MODE_NONE)
eth_fec |= ETHTOOL_FEC_OFF;
if (link_fec & QED_FEC_MODE_FIRECODE)
eth_fec |= ETHTOOL_FEC_BASER;
if (link_fec & QED_FEC_MODE_RS)
eth_fec |= ETHTOOL_FEC_RS;
if (link_fec & QED_FEC_MODE_AUTO)
eth_fec |= ETHTOOL_FEC_AUTO;
if (link_fec & QED_FEC_MODE_UNSUPPORTED)
eth_fec |= ETHTOOL_FEC_NONE;
return eth_fec;
}
static u32 qede_ethtool_to_link_fec(u32 eth_fec)
{
u32 link_fec = 0;
if (eth_fec & ETHTOOL_FEC_OFF)
link_fec |= QED_FEC_MODE_NONE;
if (eth_fec & ETHTOOL_FEC_BASER)
link_fec |= QED_FEC_MODE_FIRECODE;
if (eth_fec & ETHTOOL_FEC_RS)
link_fec |= QED_FEC_MODE_RS;
if (eth_fec & ETHTOOL_FEC_AUTO)
link_fec |= QED_FEC_MODE_AUTO;
if (eth_fec & ETHTOOL_FEC_NONE)
link_fec |= QED_FEC_MODE_UNSUPPORTED;
return link_fec;
}
static int qede_get_fecparam(struct net_device *dev,
struct ethtool_fecparam *fecparam)
{
struct qede_dev *edev = netdev_priv(dev);
struct qed_link_output curr_link;
memset(&curr_link, 0, sizeof(curr_link));
edev->ops->common->get_link(edev->cdev, &curr_link);
fecparam->active_fec = qede_link_to_ethtool_fec(curr_link.active_fec);
fecparam->fec = qede_link_to_ethtool_fec(curr_link.sup_fec);
return 0;
}
static int qede_set_fecparam(struct net_device *dev,
struct ethtool_fecparam *fecparam)
{
struct qede_dev *edev = netdev_priv(dev);
struct qed_link_params params;
if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) {
DP_INFO(edev, "Link settings are not allowed to be changed\n");
return -EOPNOTSUPP;
}
memset(&params, 0, sizeof(params));
params.override_flags |= QED_LINK_OVERRIDE_FEC_CONFIG;
params.fec = qede_ethtool_to_link_fec(fecparam->fec);
params.link_up = true;
edev->ops->common->set_link(edev->cdev, &params);
return 0;
}
static int qede_get_module_info(struct net_device *dev,
struct ethtool_modinfo *modinfo)
{
struct qede_dev *edev = netdev_priv(dev);
u8 buf[4];
int rc;
/* Read first 4 bytes to find the sfp type */
rc = edev->ops->common->read_module_eeprom(edev->cdev, buf,
QED_I2C_DEV_ADDR_A0, 0, 4);
if (rc) {
DP_ERR(edev, "Failed reading EEPROM data %d\n", rc);
return rc;
}
switch (buf[0]) {
case 0x3: /* SFP, SFP+, SFP-28 */
modinfo->type = ETH_MODULE_SFF_8472;
modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
break;
case 0xc: /* QSFP */
case 0xd: /* QSFP+ */
modinfo->type = ETH_MODULE_SFF_8436;
modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
break;
case 0x11: /* QSFP-28 */
modinfo->type = ETH_MODULE_SFF_8636;
modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
break;
default:
DP_ERR(edev, "Unknown transceiver type 0x%x\n", buf[0]);
return -EINVAL;
}
return 0;
}
static int qede_get_module_eeprom(struct net_device *dev,
struct ethtool_eeprom *ee, u8 *data)
{
struct qede_dev *edev = netdev_priv(dev);
u32 start_addr = ee->offset, size = 0;
u8 *buf = data;
int rc = 0;
/* Read A0 section */
if (ee->offset < ETH_MODULE_SFF_8079_LEN) {
/* Limit transfer size to the A0 section boundary */
if (ee->offset + ee->len > ETH_MODULE_SFF_8079_LEN)
size = ETH_MODULE_SFF_8079_LEN - ee->offset;
else
size = ee->len;
rc = edev->ops->common->read_module_eeprom(edev->cdev, buf,
QED_I2C_DEV_ADDR_A0,
start_addr, size);
if (rc) {
DP_ERR(edev, "Failed reading A0 section %d\n", rc);
return rc;
}
buf += size;
start_addr += size;
}
/* Read A2 section */
if (start_addr >= ETH_MODULE_SFF_8079_LEN &&
start_addr < ETH_MODULE_SFF_8472_LEN) {
size = ee->len - size;
/* Limit transfer size to the A2 section boundary */
if (start_addr + size > ETH_MODULE_SFF_8472_LEN)
size = ETH_MODULE_SFF_8472_LEN - start_addr;
start_addr -= ETH_MODULE_SFF_8079_LEN;
rc = edev->ops->common->read_module_eeprom(edev->cdev, buf,
QED_I2C_DEV_ADDR_A2,
start_addr, size);
if (rc) {
DP_VERBOSE(edev, QED_MSG_DEBUG,
"Failed reading A2 section %d\n", rc);
return 0;
}
}
return rc;
}
static int qede_set_dump(struct net_device *dev, struct ethtool_dump *val)
{
struct qede_dev *edev = netdev_priv(dev);
int rc = 0;
if (edev->dump_info.cmd == QEDE_DUMP_CMD_NONE) {
if (val->flag > QEDE_DUMP_CMD_MAX) {
DP_ERR(edev, "Invalid command %d\n", val->flag);
return -EINVAL;
}
edev->dump_info.cmd = val->flag;
edev->dump_info.num_args = 0;
return 0;
}
if (edev->dump_info.num_args == QEDE_DUMP_MAX_ARGS) {
DP_ERR(edev, "Arg count = %d\n", edev->dump_info.num_args);
return -EINVAL;
}
switch (edev->dump_info.cmd) {
case QEDE_DUMP_CMD_NVM_CFG:
edev->dump_info.args[edev->dump_info.num_args] = val->flag;
edev->dump_info.num_args++;
break;
case QEDE_DUMP_CMD_GRCDUMP:
rc = edev->ops->common->set_grc_config(edev->cdev,
val->flag, 1);
break;
default:
break;
}
return rc;
}
static int qede_get_dump_flag(struct net_device *dev,
struct ethtool_dump *dump)
{
struct qede_dev *edev = netdev_priv(dev);
if (!edev->ops || !edev->ops->common) {
DP_ERR(edev, "Edev ops not populated\n");
return -EINVAL;
}
dump->version = QEDE_DUMP_VERSION;
switch (edev->dump_info.cmd) {
case QEDE_DUMP_CMD_NVM_CFG:
dump->flag = QEDE_DUMP_CMD_NVM_CFG;
dump->len = edev->ops->common->read_nvm_cfg_len(edev->cdev,
edev->dump_info.args[0]);
break;
case QEDE_DUMP_CMD_GRCDUMP:
dump->flag = QEDE_DUMP_CMD_GRCDUMP;
dump->len = edev->ops->common->dbg_all_data_size(edev->cdev);
break;
default:
DP_ERR(edev, "Invalid cmd = %d\n", edev->dump_info.cmd);
return -EINVAL;
}
DP_VERBOSE(edev, QED_MSG_DEBUG,
"dump->version = 0x%x dump->flag = %d dump->len = %d\n",
dump->version, dump->flag, dump->len);
return 0;
}
static int qede_get_dump_data(struct net_device *dev,
struct ethtool_dump *dump, void *buf)
{
struct qede_dev *edev = netdev_priv(dev);
int rc = 0;
if (!edev->ops || !edev->ops->common) {
DP_ERR(edev, "Edev ops not populated\n");
rc = -EINVAL;
goto err;
}
switch (edev->dump_info.cmd) {
case QEDE_DUMP_CMD_NVM_CFG:
if (edev->dump_info.num_args != QEDE_DUMP_NVM_ARG_COUNT) {
DP_ERR(edev, "Arg count = %d required = %d\n",
edev->dump_info.num_args,
QEDE_DUMP_NVM_ARG_COUNT);
rc = -EINVAL;
goto err;
}
rc = edev->ops->common->read_nvm_cfg(edev->cdev, (u8 **)&buf,
edev->dump_info.args[0],
edev->dump_info.args[1]);
break;
case QEDE_DUMP_CMD_GRCDUMP:
memset(buf, 0, dump->len);
rc = edev->ops->common->dbg_all_data(edev->cdev, buf);
break;
default:
DP_ERR(edev, "Invalid cmd = %d\n", edev->dump_info.cmd);
rc = -EINVAL;
break;
}
err:
edev->dump_info.cmd = QEDE_DUMP_CMD_NONE;
edev->dump_info.num_args = 0;
memset(edev->dump_info.args, 0, sizeof(edev->dump_info.args));
return rc;
}
int qede_set_per_coalesce(struct net_device *dev, u32 queue,
struct ethtool_coalesce *coal)
{
struct qede_dev *edev = netdev_priv(dev);
struct qede_fastpath *fp;
u16 rxc, txc;
int rc = 0;
if (coal->rx_coalesce_usecs > QED_COALESCE_MAX ||
coal->tx_coalesce_usecs > QED_COALESCE_MAX) {
DP_INFO(edev,
"Can't support requested %s coalesce value [max supported value %d]\n",
coal->rx_coalesce_usecs > QED_COALESCE_MAX ? "rx"
: "tx",
QED_COALESCE_MAX);
return -EINVAL;
}
rxc = (u16)coal->rx_coalesce_usecs;
txc = (u16)coal->tx_coalesce_usecs;
__qede_lock(edev);
if (queue >= edev->num_queues) {
DP_INFO(edev, "Invalid queue\n");
rc = -EINVAL;
goto out;
}
if (edev->state != QEDE_STATE_OPEN) {
rc = -EINVAL;
goto out;
}
fp = &edev->fp_array[queue];
if (edev->fp_array[queue].type & QEDE_FASTPATH_RX) {
rc = edev->ops->common->set_coalesce(edev->cdev,
rxc, 0,
fp->rxq->handle);
if (rc) {
DP_INFO(edev,
"Set RX coalesce error, rc = %d\n", rc);
goto out;
}
edev->coal_entry[queue].rxc = rxc;
edev->coal_entry[queue].isvalid = true;
}
if (edev->fp_array[queue].type & QEDE_FASTPATH_TX) {
rc = edev->ops->common->set_coalesce(edev->cdev,
0, txc,
fp->txq->handle);
if (rc) {
DP_INFO(edev,
"Set TX coalesce error, rc = %d\n", rc);
goto out;
}
edev->coal_entry[queue].txc = txc;
edev->coal_entry[queue].isvalid = true;
}
out:
__qede_unlock(edev);
return rc;
}
static int qede_get_per_coalesce(struct net_device *dev,
u32 queue,
struct ethtool_coalesce *coal)
{
void *rx_handle = NULL, *tx_handle = NULL;
struct qede_dev *edev = netdev_priv(dev);
struct qede_fastpath *fp;
u16 rx_coal, tx_coal;
int rc = 0;
rx_coal = QED_DEFAULT_RX_USECS;
tx_coal = QED_DEFAULT_TX_USECS;
memset(coal, 0, sizeof(struct ethtool_coalesce));
__qede_lock(edev);
if (queue >= edev->num_queues) {
DP_INFO(edev, "Invalid queue\n");
rc = -EINVAL;
goto out;
}
if (edev->state != QEDE_STATE_OPEN) {
rc = -EINVAL;
goto out;
}
fp = &edev->fp_array[queue];
if (fp->type & QEDE_FASTPATH_RX)
rx_handle = fp->rxq->handle;
rc = edev->ops->get_coalesce(edev->cdev, &rx_coal,
rx_handle);
if (rc) {
DP_INFO(edev, "Read Rx coalesce error\n");
goto out;
}
fp = &edev->fp_array[queue];
if (fp->type & QEDE_FASTPATH_TX)
tx_handle = fp->txq->handle;
rc = edev->ops->get_coalesce(edev->cdev, &tx_coal,
tx_handle);
if (rc)
DP_INFO(edev, "Read Tx coalesce error\n");
out:
__qede_unlock(edev);
coal->rx_coalesce_usecs = rx_coal;
coal->tx_coalesce_usecs = tx_coal;
return rc;
}
static const struct ethtool_ops qede_ethtool_ops = {
.supported_coalesce_params = ETHTOOL_COALESCE_USECS,
.get_link_ksettings = qede_get_link_ksettings,
.set_link_ksettings = qede_set_link_ksettings,
.get_drvinfo = qede_get_drvinfo,
.get_regs_len = qede_get_regs_len,
.get_regs = qede_get_regs,
.get_wol = qede_get_wol,
.set_wol = qede_set_wol,
.get_msglevel = qede_get_msglevel,
.set_msglevel = qede_set_msglevel,
.nway_reset = qede_nway_reset,
.get_link = qede_get_link,
.get_coalesce = qede_get_coalesce,
.set_coalesce = qede_set_coalesce,
.get_ringparam = qede_get_ringparam,
.set_ringparam = qede_set_ringparam,
.get_pauseparam = qede_get_pauseparam,
.set_pauseparam = qede_set_pauseparam,
.get_strings = qede_get_strings,
.set_phys_id = qede_set_phys_id,
.get_ethtool_stats = qede_get_ethtool_stats,
.get_priv_flags = qede_get_priv_flags,
.set_priv_flags = qede_set_priv_flags,
.get_sset_count = qede_get_sset_count,
.get_rxnfc = qede_get_rxnfc,
.set_rxnfc = qede_set_rxnfc,
.get_rxfh_indir_size = qede_get_rxfh_indir_size,
.get_rxfh_key_size = qede_get_rxfh_key_size,
.get_rxfh = qede_get_rxfh,
.set_rxfh = qede_set_rxfh,
.get_ts_info = qede_get_ts_info,
.get_channels = qede_get_channels,
.set_channels = qede_set_channels,
.self_test = qede_self_test,
.get_module_info = qede_get_module_info,
.get_module_eeprom = qede_get_module_eeprom,
.get_eee = qede_get_eee,
.set_eee = qede_set_eee,
.get_fecparam = qede_get_fecparam,
.set_fecparam = qede_set_fecparam,
.get_tunable = qede_get_tunable,
.set_tunable = qede_set_tunable,
.get_per_queue_coalesce = qede_get_per_coalesce,
.set_per_queue_coalesce = qede_set_per_coalesce,
.flash_device = qede_flash_device,
.get_dump_flag = qede_get_dump_flag,
.get_dump_data = qede_get_dump_data,
.set_dump = qede_set_dump,
};
static const struct ethtool_ops qede_vf_ethtool_ops = {
.supported_coalesce_params = ETHTOOL_COALESCE_USECS,
.get_link_ksettings = qede_get_link_ksettings,
.get_drvinfo = qede_get_drvinfo,
.get_msglevel = qede_get_msglevel,
.set_msglevel = qede_set_msglevel,
.get_link = qede_get_link,
.get_coalesce = qede_get_coalesce,
.set_coalesce = qede_set_coalesce,
.get_ringparam = qede_get_ringparam,
.set_ringparam = qede_set_ringparam,
.get_strings = qede_get_strings,
.get_ethtool_stats = qede_get_ethtool_stats,
.get_priv_flags = qede_get_priv_flags,
.get_sset_count = qede_get_sset_count,
.get_rxnfc = qede_get_rxnfc,
.set_rxnfc = qede_set_rxnfc,
.get_rxfh_indir_size = qede_get_rxfh_indir_size,
.get_rxfh_key_size = qede_get_rxfh_key_size,
.get_rxfh = qede_get_rxfh,
.set_rxfh = qede_set_rxfh,
.get_channels = qede_get_channels,
.set_channels = qede_set_channels,
.get_per_queue_coalesce = qede_get_per_coalesce,
.set_per_queue_coalesce = qede_set_per_coalesce,
.get_tunable = qede_get_tunable,
.set_tunable = qede_set_tunable,
};
void qede_set_ethtool_ops(struct net_device *dev)
{
struct qede_dev *edev = netdev_priv(dev);
if (IS_VF(edev))
dev->ethtool_ops = &qede_vf_ethtool_ops;
else
dev->ethtool_ops = &qede_ethtool_ops;
}
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