629 lines
17 KiB
C
629 lines
17 KiB
C
/*
|
|
* Copyright (C) 2015 Cavium, Inc.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of version 2 of the GNU General Public License
|
|
* as published by the Free Software Foundation.
|
|
*/
|
|
|
|
/* ETHTOOL Support for VNIC_VF Device*/
|
|
|
|
#include <linux/pci.h>
|
|
|
|
#include "nic_reg.h"
|
|
#include "nic.h"
|
|
#include "nicvf_queues.h"
|
|
#include "q_struct.h"
|
|
#include "thunder_bgx.h"
|
|
|
|
#define DRV_NAME "thunder-nicvf"
|
|
#define DRV_VERSION "1.0"
|
|
|
|
struct nicvf_stat {
|
|
char name[ETH_GSTRING_LEN];
|
|
unsigned int index;
|
|
};
|
|
|
|
#define NICVF_HW_STAT(stat) { \
|
|
.name = #stat, \
|
|
.index = offsetof(struct nicvf_hw_stats, stat) / sizeof(u64), \
|
|
}
|
|
|
|
#define NICVF_DRV_STAT(stat) { \
|
|
.name = #stat, \
|
|
.index = offsetof(struct nicvf_drv_stats, stat) / sizeof(u64), \
|
|
}
|
|
|
|
static const struct nicvf_stat nicvf_hw_stats[] = {
|
|
NICVF_HW_STAT(rx_bytes),
|
|
NICVF_HW_STAT(rx_ucast_frames),
|
|
NICVF_HW_STAT(rx_bcast_frames),
|
|
NICVF_HW_STAT(rx_mcast_frames),
|
|
NICVF_HW_STAT(rx_fcs_errors),
|
|
NICVF_HW_STAT(rx_l2_errors),
|
|
NICVF_HW_STAT(rx_drop_red),
|
|
NICVF_HW_STAT(rx_drop_red_bytes),
|
|
NICVF_HW_STAT(rx_drop_overrun),
|
|
NICVF_HW_STAT(rx_drop_overrun_bytes),
|
|
NICVF_HW_STAT(rx_drop_bcast),
|
|
NICVF_HW_STAT(rx_drop_mcast),
|
|
NICVF_HW_STAT(rx_drop_l3_bcast),
|
|
NICVF_HW_STAT(rx_drop_l3_mcast),
|
|
NICVF_HW_STAT(rx_bgx_truncated_pkts),
|
|
NICVF_HW_STAT(rx_jabber_errs),
|
|
NICVF_HW_STAT(rx_fcs_errs),
|
|
NICVF_HW_STAT(rx_bgx_errs),
|
|
NICVF_HW_STAT(rx_prel2_errs),
|
|
NICVF_HW_STAT(rx_l2_hdr_malformed),
|
|
NICVF_HW_STAT(rx_oversize),
|
|
NICVF_HW_STAT(rx_undersize),
|
|
NICVF_HW_STAT(rx_l2_len_mismatch),
|
|
NICVF_HW_STAT(rx_l2_pclp),
|
|
NICVF_HW_STAT(rx_ip_ver_errs),
|
|
NICVF_HW_STAT(rx_ip_csum_errs),
|
|
NICVF_HW_STAT(rx_ip_hdr_malformed),
|
|
NICVF_HW_STAT(rx_ip_payload_malformed),
|
|
NICVF_HW_STAT(rx_ip_ttl_errs),
|
|
NICVF_HW_STAT(rx_l3_pclp),
|
|
NICVF_HW_STAT(rx_l4_malformed),
|
|
NICVF_HW_STAT(rx_l4_csum_errs),
|
|
NICVF_HW_STAT(rx_udp_len_errs),
|
|
NICVF_HW_STAT(rx_l4_port_errs),
|
|
NICVF_HW_STAT(rx_tcp_flag_errs),
|
|
NICVF_HW_STAT(rx_tcp_offset_errs),
|
|
NICVF_HW_STAT(rx_l4_pclp),
|
|
NICVF_HW_STAT(rx_truncated_pkts),
|
|
NICVF_HW_STAT(tx_bytes_ok),
|
|
NICVF_HW_STAT(tx_ucast_frames_ok),
|
|
NICVF_HW_STAT(tx_bcast_frames_ok),
|
|
NICVF_HW_STAT(tx_mcast_frames_ok),
|
|
};
|
|
|
|
static const struct nicvf_stat nicvf_drv_stats[] = {
|
|
NICVF_DRV_STAT(rx_frames_ok),
|
|
NICVF_DRV_STAT(rx_frames_64),
|
|
NICVF_DRV_STAT(rx_frames_127),
|
|
NICVF_DRV_STAT(rx_frames_255),
|
|
NICVF_DRV_STAT(rx_frames_511),
|
|
NICVF_DRV_STAT(rx_frames_1023),
|
|
NICVF_DRV_STAT(rx_frames_1518),
|
|
NICVF_DRV_STAT(rx_frames_jumbo),
|
|
NICVF_DRV_STAT(rx_drops),
|
|
NICVF_DRV_STAT(tx_frames_ok),
|
|
NICVF_DRV_STAT(tx_tso),
|
|
NICVF_DRV_STAT(tx_drops),
|
|
NICVF_DRV_STAT(txq_stop),
|
|
NICVF_DRV_STAT(txq_wake),
|
|
};
|
|
|
|
static const struct nicvf_stat nicvf_queue_stats[] = {
|
|
{ "bytes", 0 },
|
|
{ "frames", 1 },
|
|
};
|
|
|
|
static const unsigned int nicvf_n_hw_stats = ARRAY_SIZE(nicvf_hw_stats);
|
|
static const unsigned int nicvf_n_drv_stats = ARRAY_SIZE(nicvf_drv_stats);
|
|
static const unsigned int nicvf_n_queue_stats = ARRAY_SIZE(nicvf_queue_stats);
|
|
|
|
static int nicvf_get_settings(struct net_device *netdev,
|
|
struct ethtool_cmd *cmd)
|
|
{
|
|
struct nicvf *nic = netdev_priv(netdev);
|
|
|
|
cmd->supported = 0;
|
|
cmd->transceiver = XCVR_EXTERNAL;
|
|
if (nic->speed <= 1000) {
|
|
cmd->port = PORT_MII;
|
|
cmd->autoneg = AUTONEG_ENABLE;
|
|
} else {
|
|
cmd->port = PORT_FIBRE;
|
|
cmd->autoneg = AUTONEG_DISABLE;
|
|
}
|
|
cmd->duplex = nic->duplex;
|
|
ethtool_cmd_speed_set(cmd, nic->speed);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void nicvf_get_drvinfo(struct net_device *netdev,
|
|
struct ethtool_drvinfo *info)
|
|
{
|
|
struct nicvf *nic = netdev_priv(netdev);
|
|
|
|
strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
|
|
strlcpy(info->version, DRV_VERSION, sizeof(info->version));
|
|
strlcpy(info->bus_info, pci_name(nic->pdev), sizeof(info->bus_info));
|
|
}
|
|
|
|
static u32 nicvf_get_msglevel(struct net_device *netdev)
|
|
{
|
|
struct nicvf *nic = netdev_priv(netdev);
|
|
|
|
return nic->msg_enable;
|
|
}
|
|
|
|
static void nicvf_set_msglevel(struct net_device *netdev, u32 lvl)
|
|
{
|
|
struct nicvf *nic = netdev_priv(netdev);
|
|
|
|
nic->msg_enable = lvl;
|
|
}
|
|
|
|
static void nicvf_get_strings(struct net_device *netdev, u32 sset, u8 *data)
|
|
{
|
|
struct nicvf *nic = netdev_priv(netdev);
|
|
int stats, qidx;
|
|
|
|
if (sset != ETH_SS_STATS)
|
|
return;
|
|
|
|
for (stats = 0; stats < nicvf_n_hw_stats; stats++) {
|
|
memcpy(data, nicvf_hw_stats[stats].name, ETH_GSTRING_LEN);
|
|
data += ETH_GSTRING_LEN;
|
|
}
|
|
|
|
for (stats = 0; stats < nicvf_n_drv_stats; stats++) {
|
|
memcpy(data, nicvf_drv_stats[stats].name, ETH_GSTRING_LEN);
|
|
data += ETH_GSTRING_LEN;
|
|
}
|
|
|
|
for (qidx = 0; qidx < nic->qs->rq_cnt; qidx++) {
|
|
for (stats = 0; stats < nicvf_n_queue_stats; stats++) {
|
|
sprintf(data, "rxq%d: %s", qidx,
|
|
nicvf_queue_stats[stats].name);
|
|
data += ETH_GSTRING_LEN;
|
|
}
|
|
}
|
|
|
|
for (qidx = 0; qidx < nic->qs->sq_cnt; qidx++) {
|
|
for (stats = 0; stats < nicvf_n_queue_stats; stats++) {
|
|
sprintf(data, "txq%d: %s", qidx,
|
|
nicvf_queue_stats[stats].name);
|
|
data += ETH_GSTRING_LEN;
|
|
}
|
|
}
|
|
|
|
for (stats = 0; stats < BGX_RX_STATS_COUNT; stats++) {
|
|
sprintf(data, "bgx_rxstat%d: ", stats);
|
|
data += ETH_GSTRING_LEN;
|
|
}
|
|
|
|
for (stats = 0; stats < BGX_TX_STATS_COUNT; stats++) {
|
|
sprintf(data, "bgx_txstat%d: ", stats);
|
|
data += ETH_GSTRING_LEN;
|
|
}
|
|
}
|
|
|
|
static int nicvf_get_sset_count(struct net_device *netdev, int sset)
|
|
{
|
|
struct nicvf *nic = netdev_priv(netdev);
|
|
|
|
if (sset != ETH_SS_STATS)
|
|
return -EINVAL;
|
|
|
|
return nicvf_n_hw_stats + nicvf_n_drv_stats +
|
|
(nicvf_n_queue_stats *
|
|
(nic->qs->rq_cnt + nic->qs->sq_cnt)) +
|
|
BGX_RX_STATS_COUNT + BGX_TX_STATS_COUNT;
|
|
}
|
|
|
|
static void nicvf_get_ethtool_stats(struct net_device *netdev,
|
|
struct ethtool_stats *stats, u64 *data)
|
|
{
|
|
struct nicvf *nic = netdev_priv(netdev);
|
|
int stat, qidx;
|
|
|
|
nicvf_update_stats(nic);
|
|
|
|
/* Update LMAC stats */
|
|
nicvf_update_lmac_stats(nic);
|
|
|
|
for (stat = 0; stat < nicvf_n_hw_stats; stat++)
|
|
*(data++) = ((u64 *)&nic->hw_stats)
|
|
[nicvf_hw_stats[stat].index];
|
|
for (stat = 0; stat < nicvf_n_drv_stats; stat++)
|
|
*(data++) = ((u64 *)&nic->drv_stats)
|
|
[nicvf_drv_stats[stat].index];
|
|
|
|
for (qidx = 0; qidx < nic->qs->rq_cnt; qidx++) {
|
|
for (stat = 0; stat < nicvf_n_queue_stats; stat++)
|
|
*(data++) = ((u64 *)&nic->qs->rq[qidx].stats)
|
|
[nicvf_queue_stats[stat].index];
|
|
}
|
|
|
|
for (qidx = 0; qidx < nic->qs->sq_cnt; qidx++) {
|
|
for (stat = 0; stat < nicvf_n_queue_stats; stat++)
|
|
*(data++) = ((u64 *)&nic->qs->sq[qidx].stats)
|
|
[nicvf_queue_stats[stat].index];
|
|
}
|
|
|
|
for (stat = 0; stat < BGX_RX_STATS_COUNT; stat++)
|
|
*(data++) = nic->bgx_stats.rx_stats[stat];
|
|
for (stat = 0; stat < BGX_TX_STATS_COUNT; stat++)
|
|
*(data++) = nic->bgx_stats.tx_stats[stat];
|
|
}
|
|
|
|
static int nicvf_get_regs_len(struct net_device *dev)
|
|
{
|
|
return sizeof(u64) * NIC_VF_REG_COUNT;
|
|
}
|
|
|
|
static void nicvf_get_regs(struct net_device *dev,
|
|
struct ethtool_regs *regs, void *reg)
|
|
{
|
|
struct nicvf *nic = netdev_priv(dev);
|
|
u64 *p = (u64 *)reg;
|
|
u64 reg_offset;
|
|
int mbox, key, stat, q;
|
|
int i = 0;
|
|
|
|
regs->version = 0;
|
|
memset(p, 0, NIC_VF_REG_COUNT);
|
|
|
|
p[i++] = nicvf_reg_read(nic, NIC_VNIC_CFG);
|
|
/* Mailbox registers */
|
|
for (mbox = 0; mbox < NIC_PF_VF_MAILBOX_SIZE; mbox++)
|
|
p[i++] = nicvf_reg_read(nic,
|
|
NIC_VF_PF_MAILBOX_0_1 | (mbox << 3));
|
|
|
|
p[i++] = nicvf_reg_read(nic, NIC_VF_INT);
|
|
p[i++] = nicvf_reg_read(nic, NIC_VF_INT_W1S);
|
|
p[i++] = nicvf_reg_read(nic, NIC_VF_ENA_W1C);
|
|
p[i++] = nicvf_reg_read(nic, NIC_VF_ENA_W1S);
|
|
p[i++] = nicvf_reg_read(nic, NIC_VNIC_RSS_CFG);
|
|
|
|
for (key = 0; key < RSS_HASH_KEY_SIZE; key++)
|
|
p[i++] = nicvf_reg_read(nic, NIC_VNIC_RSS_KEY_0_4 | (key << 3));
|
|
|
|
/* Tx/Rx statistics */
|
|
for (stat = 0; stat < TX_STATS_ENUM_LAST; stat++)
|
|
p[i++] = nicvf_reg_read(nic,
|
|
NIC_VNIC_TX_STAT_0_4 | (stat << 3));
|
|
|
|
for (i = 0; i < RX_STATS_ENUM_LAST; i++)
|
|
p[i++] = nicvf_reg_read(nic,
|
|
NIC_VNIC_RX_STAT_0_13 | (stat << 3));
|
|
|
|
p[i++] = nicvf_reg_read(nic, NIC_QSET_RQ_GEN_CFG);
|
|
|
|
/* All completion queue's registers */
|
|
for (q = 0; q < MAX_CMP_QUEUES_PER_QS; q++) {
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_CFG, q);
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_CFG2, q);
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_THRESH, q);
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_BASE, q);
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_HEAD, q);
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_TAIL, q);
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_DOOR, q);
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_STATUS, q);
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_STATUS2, q);
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_DEBUG, q);
|
|
}
|
|
|
|
/* All receive queue's registers */
|
|
for (q = 0; q < MAX_RCV_QUEUES_PER_QS; q++) {
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RQ_0_7_CFG, q);
|
|
p[i++] = nicvf_queue_reg_read(nic,
|
|
NIC_QSET_RQ_0_7_STAT_0_1, q);
|
|
reg_offset = NIC_QSET_RQ_0_7_STAT_0_1 | (1 << 3);
|
|
p[i++] = nicvf_queue_reg_read(nic, reg_offset, q);
|
|
}
|
|
|
|
for (q = 0; q < MAX_SND_QUEUES_PER_QS; q++) {
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_CFG, q);
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_THRESH, q);
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_BASE, q);
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_HEAD, q);
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_TAIL, q);
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_DOOR, q);
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_STATUS, q);
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_DEBUG, q);
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_CNM_CHG, q);
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_STAT_0_1, q);
|
|
reg_offset = NIC_QSET_SQ_0_7_STAT_0_1 | (1 << 3);
|
|
p[i++] = nicvf_queue_reg_read(nic, reg_offset, q);
|
|
}
|
|
|
|
for (q = 0; q < MAX_RCV_BUF_DESC_RINGS_PER_QS; q++) {
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_CFG, q);
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_THRESH, q);
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_BASE, q);
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_HEAD, q);
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_TAIL, q);
|
|
p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_DOOR, q);
|
|
p[i++] = nicvf_queue_reg_read(nic,
|
|
NIC_QSET_RBDR_0_1_STATUS0, q);
|
|
p[i++] = nicvf_queue_reg_read(nic,
|
|
NIC_QSET_RBDR_0_1_STATUS1, q);
|
|
reg_offset = NIC_QSET_RBDR_0_1_PREFETCH_STATUS;
|
|
p[i++] = nicvf_queue_reg_read(nic, reg_offset, q);
|
|
}
|
|
}
|
|
|
|
static int nicvf_get_coalesce(struct net_device *netdev,
|
|
struct ethtool_coalesce *cmd)
|
|
{
|
|
struct nicvf *nic = netdev_priv(netdev);
|
|
|
|
cmd->rx_coalesce_usecs = nic->cq_coalesce_usecs;
|
|
return 0;
|
|
}
|
|
|
|
static void nicvf_get_ringparam(struct net_device *netdev,
|
|
struct ethtool_ringparam *ring)
|
|
{
|
|
struct nicvf *nic = netdev_priv(netdev);
|
|
struct queue_set *qs = nic->qs;
|
|
|
|
ring->rx_max_pending = MAX_RCV_BUF_COUNT;
|
|
ring->rx_pending = qs->rbdr_len;
|
|
ring->tx_max_pending = MAX_SND_QUEUE_LEN;
|
|
ring->tx_pending = qs->sq_len;
|
|
}
|
|
|
|
static int nicvf_get_rss_hash_opts(struct nicvf *nic,
|
|
struct ethtool_rxnfc *info)
|
|
{
|
|
info->data = 0;
|
|
|
|
switch (info->flow_type) {
|
|
case TCP_V4_FLOW:
|
|
case TCP_V6_FLOW:
|
|
case UDP_V4_FLOW:
|
|
case UDP_V6_FLOW:
|
|
case SCTP_V4_FLOW:
|
|
case SCTP_V6_FLOW:
|
|
info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
|
|
case IPV4_FLOW:
|
|
case IPV6_FLOW:
|
|
info->data |= RXH_IP_SRC | RXH_IP_DST;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int nicvf_get_rxnfc(struct net_device *dev,
|
|
struct ethtool_rxnfc *info, u32 *rules)
|
|
{
|
|
struct nicvf *nic = netdev_priv(dev);
|
|
int ret = -EOPNOTSUPP;
|
|
|
|
switch (info->cmd) {
|
|
case ETHTOOL_GRXRINGS:
|
|
info->data = nic->qs->rq_cnt;
|
|
ret = 0;
|
|
break;
|
|
case ETHTOOL_GRXFH:
|
|
return nicvf_get_rss_hash_opts(nic, info);
|
|
default:
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int nicvf_set_rss_hash_opts(struct nicvf *nic,
|
|
struct ethtool_rxnfc *info)
|
|
{
|
|
struct nicvf_rss_info *rss = &nic->rss_info;
|
|
u64 rss_cfg = nicvf_reg_read(nic, NIC_VNIC_RSS_CFG);
|
|
|
|
if (!rss->enable)
|
|
netdev_err(nic->netdev,
|
|
"RSS is disabled, hash cannot be set\n");
|
|
|
|
netdev_info(nic->netdev, "Set RSS flow type = %d, data = %lld\n",
|
|
info->flow_type, info->data);
|
|
|
|
if (!(info->data & RXH_IP_SRC) || !(info->data & RXH_IP_DST))
|
|
return -EINVAL;
|
|
|
|
switch (info->flow_type) {
|
|
case TCP_V4_FLOW:
|
|
case TCP_V6_FLOW:
|
|
switch (info->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
|
|
case 0:
|
|
rss_cfg &= ~(1ULL << RSS_HASH_TCP);
|
|
break;
|
|
case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
|
|
rss_cfg |= (1ULL << RSS_HASH_TCP);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
break;
|
|
case UDP_V4_FLOW:
|
|
case UDP_V6_FLOW:
|
|
switch (info->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
|
|
case 0:
|
|
rss_cfg &= ~(1ULL << RSS_HASH_UDP);
|
|
break;
|
|
case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
|
|
rss_cfg |= (1ULL << RSS_HASH_UDP);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
break;
|
|
case SCTP_V4_FLOW:
|
|
case SCTP_V6_FLOW:
|
|
switch (info->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
|
|
case 0:
|
|
rss_cfg &= ~(1ULL << RSS_HASH_L4ETC);
|
|
break;
|
|
case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
|
|
rss_cfg |= (1ULL << RSS_HASH_L4ETC);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
break;
|
|
case IPV4_FLOW:
|
|
case IPV6_FLOW:
|
|
rss_cfg = RSS_HASH_IP;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
nicvf_reg_write(nic, NIC_VNIC_RSS_CFG, rss_cfg);
|
|
return 0;
|
|
}
|
|
|
|
static int nicvf_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info)
|
|
{
|
|
struct nicvf *nic = netdev_priv(dev);
|
|
|
|
switch (info->cmd) {
|
|
case ETHTOOL_SRXFH:
|
|
return nicvf_set_rss_hash_opts(nic, info);
|
|
default:
|
|
break;
|
|
}
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static u32 nicvf_get_rxfh_key_size(struct net_device *netdev)
|
|
{
|
|
return RSS_HASH_KEY_SIZE * sizeof(u64);
|
|
}
|
|
|
|
static u32 nicvf_get_rxfh_indir_size(struct net_device *dev)
|
|
{
|
|
struct nicvf *nic = netdev_priv(dev);
|
|
|
|
return nic->rss_info.rss_size;
|
|
}
|
|
|
|
static int nicvf_get_rxfh(struct net_device *dev, u32 *indir, u8 *hkey,
|
|
u8 *hfunc)
|
|
{
|
|
struct nicvf *nic = netdev_priv(dev);
|
|
struct nicvf_rss_info *rss = &nic->rss_info;
|
|
int idx;
|
|
|
|
if (indir) {
|
|
for (idx = 0; idx < rss->rss_size; idx++)
|
|
indir[idx] = rss->ind_tbl[idx];
|
|
}
|
|
|
|
if (hkey)
|
|
memcpy(hkey, rss->key, RSS_HASH_KEY_SIZE * sizeof(u64));
|
|
|
|
if (hfunc)
|
|
*hfunc = ETH_RSS_HASH_TOP;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int nicvf_set_rxfh(struct net_device *dev, const u32 *indir,
|
|
const u8 *hkey, u8 hfunc)
|
|
{
|
|
struct nicvf *nic = netdev_priv(dev);
|
|
struct nicvf_rss_info *rss = &nic->rss_info;
|
|
int idx;
|
|
|
|
if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
|
|
return -EOPNOTSUPP;
|
|
|
|
if (!rss->enable) {
|
|
netdev_err(nic->netdev,
|
|
"RSS is disabled, cannot change settings\n");
|
|
return -EIO;
|
|
}
|
|
|
|
if (indir) {
|
|
for (idx = 0; idx < rss->rss_size; idx++)
|
|
rss->ind_tbl[idx] = indir[idx];
|
|
}
|
|
|
|
if (hkey) {
|
|
memcpy(rss->key, hkey, RSS_HASH_KEY_SIZE * sizeof(u64));
|
|
nicvf_set_rss_key(nic);
|
|
}
|
|
|
|
nicvf_config_rss(nic);
|
|
return 0;
|
|
}
|
|
|
|
/* Get no of queues device supports and current queue count */
|
|
static void nicvf_get_channels(struct net_device *dev,
|
|
struct ethtool_channels *channel)
|
|
{
|
|
struct nicvf *nic = netdev_priv(dev);
|
|
|
|
memset(channel, 0, sizeof(*channel));
|
|
|
|
channel->max_rx = MAX_RCV_QUEUES_PER_QS;
|
|
channel->max_tx = MAX_SND_QUEUES_PER_QS;
|
|
|
|
channel->rx_count = nic->qs->rq_cnt;
|
|
channel->tx_count = nic->qs->sq_cnt;
|
|
}
|
|
|
|
/* Set no of Tx, Rx queues to be used */
|
|
static int nicvf_set_channels(struct net_device *dev,
|
|
struct ethtool_channels *channel)
|
|
{
|
|
struct nicvf *nic = netdev_priv(dev);
|
|
int err = 0;
|
|
bool if_up = netif_running(dev);
|
|
|
|
if (!channel->rx_count || !channel->tx_count)
|
|
return -EINVAL;
|
|
if (channel->rx_count > MAX_RCV_QUEUES_PER_QS)
|
|
return -EINVAL;
|
|
if (channel->tx_count > MAX_SND_QUEUES_PER_QS)
|
|
return -EINVAL;
|
|
|
|
if (if_up)
|
|
nicvf_stop(dev);
|
|
|
|
nic->qs->rq_cnt = channel->rx_count;
|
|
nic->qs->sq_cnt = channel->tx_count;
|
|
nic->qs->cq_cnt = max(nic->qs->rq_cnt, nic->qs->sq_cnt);
|
|
|
|
err = nicvf_set_real_num_queues(dev, nic->qs->sq_cnt, nic->qs->rq_cnt);
|
|
if (err)
|
|
return err;
|
|
|
|
if (if_up)
|
|
nicvf_open(dev);
|
|
|
|
netdev_info(dev, "Setting num Tx rings to %d, Rx rings to %d success\n",
|
|
nic->qs->sq_cnt, nic->qs->rq_cnt);
|
|
|
|
return err;
|
|
}
|
|
|
|
static const struct ethtool_ops nicvf_ethtool_ops = {
|
|
.get_settings = nicvf_get_settings,
|
|
.get_link = ethtool_op_get_link,
|
|
.get_drvinfo = nicvf_get_drvinfo,
|
|
.get_msglevel = nicvf_get_msglevel,
|
|
.set_msglevel = nicvf_set_msglevel,
|
|
.get_strings = nicvf_get_strings,
|
|
.get_sset_count = nicvf_get_sset_count,
|
|
.get_ethtool_stats = nicvf_get_ethtool_stats,
|
|
.get_regs_len = nicvf_get_regs_len,
|
|
.get_regs = nicvf_get_regs,
|
|
.get_coalesce = nicvf_get_coalesce,
|
|
.get_ringparam = nicvf_get_ringparam,
|
|
.get_rxnfc = nicvf_get_rxnfc,
|
|
.set_rxnfc = nicvf_set_rxnfc,
|
|
.get_rxfh_key_size = nicvf_get_rxfh_key_size,
|
|
.get_rxfh_indir_size = nicvf_get_rxfh_indir_size,
|
|
.get_rxfh = nicvf_get_rxfh,
|
|
.set_rxfh = nicvf_set_rxfh,
|
|
.get_channels = nicvf_get_channels,
|
|
.set_channels = nicvf_set_channels,
|
|
.get_ts_info = ethtool_op_get_ts_info,
|
|
};
|
|
|
|
void nicvf_set_ethtool_ops(struct net_device *netdev)
|
|
{
|
|
netdev->ethtool_ops = &nicvf_ethtool_ops;
|
|
}
|