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gfiber / kernel / bruno / f0b715409cb9cf7e21e690f9b163047739761962 / . / drivers / net / ethernet / broadcom / bnxt / bnxt_ethtool.c
blob: 45bd628eaf3aa5b2051511c4b20f93782b481503 [file] [log] [blame]
/* Broadcom NetXtreme-C/E network driver.
*
* Copyright (c) 2014-2015 Broadcom Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation.
*/
#include <linux/ethtool.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/etherdevice.h>
#include <linux/crc32.h>
#include <linux/firmware.h>
#include "bnxt_hsi.h"
#include "bnxt.h"
#include "bnxt_ethtool.h"
#include "bnxt_nvm_defs.h" /* NVRAM content constant and structure defs */
#include "bnxt_fw_hdr.h" /* Firmware hdr constant and structure defs */
#define FLASH_NVRAM_TIMEOUT ((HWRM_CMD_TIMEOUT) * 100)
static u32 bnxt_get_msglevel(struct net_device *dev)
{
struct bnxt *bp = netdev_priv(dev);
return bp->msg_enable;
}
static void bnxt_set_msglevel(struct net_device *dev, u32 value)
{
struct bnxt *bp = netdev_priv(dev);
bp->msg_enable = value;
}
static int bnxt_get_coalesce(struct net_device *dev,
struct ethtool_coalesce *coal)
{
struct bnxt *bp = netdev_priv(dev);
memset(coal, 0, sizeof(*coal));
coal->rx_coalesce_usecs =
max_t(u16, BNXT_COAL_TIMER_TO_USEC(bp->coal_ticks), 1);
coal->rx_max_coalesced_frames = bp->coal_bufs / 2;
coal->rx_coalesce_usecs_irq =
max_t(u16, BNXT_COAL_TIMER_TO_USEC(bp->coal_ticks_irq), 1);
coal->rx_max_coalesced_frames_irq = bp->coal_bufs_irq / 2;
return 0;
}
static int bnxt_set_coalesce(struct net_device *dev,
struct ethtool_coalesce *coal)
{
struct bnxt *bp = netdev_priv(dev);
int rc = 0;
bp->coal_ticks = BNXT_USEC_TO_COAL_TIMER(coal->rx_coalesce_usecs);
bp->coal_bufs = coal->rx_max_coalesced_frames * 2;
bp->coal_ticks_irq =
BNXT_USEC_TO_COAL_TIMER(coal->rx_coalesce_usecs_irq);
bp->coal_bufs_irq = coal->rx_max_coalesced_frames_irq * 2;
if (netif_running(dev))
rc = bnxt_hwrm_set_coal(bp);
return rc;
}
#define BNXT_NUM_STATS 21
static int bnxt_get_sset_count(struct net_device *dev, int sset)
{
struct bnxt *bp = netdev_priv(dev);
switch (sset) {
case ETH_SS_STATS:
return BNXT_NUM_STATS * bp->cp_nr_rings;
default:
return -EOPNOTSUPP;
}
}
static void bnxt_get_ethtool_stats(struct net_device *dev,
struct ethtool_stats *stats, u64 *buf)
{
u32 i, j = 0;
struct bnxt *bp = netdev_priv(dev);
u32 buf_size = sizeof(struct ctx_hw_stats) * bp->cp_nr_rings;
u32 stat_fields = sizeof(struct ctx_hw_stats) / 8;
memset(buf, 0, buf_size);
if (!bp->bnapi)
return;
for (i = 0; i < bp->cp_nr_rings; i++) {
struct bnxt_napi *bnapi = bp->bnapi[i];
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
__le64 *hw_stats = (__le64 *)cpr->hw_stats;
int k;
for (k = 0; k < stat_fields; j++, k++)
buf[j] = le64_to_cpu(hw_stats[k]);
buf[j++] = cpr->rx_l4_csum_errors;
}
}
static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
{
struct bnxt *bp = netdev_priv(dev);
u32 i;
switch (stringset) {
/* The number of strings must match BNXT_NUM_STATS defined above. */
case ETH_SS_STATS:
for (i = 0; i < bp->cp_nr_rings; i++) {
sprintf(buf, "[%d]: rx_ucast_packets", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: rx_mcast_packets", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: rx_bcast_packets", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: rx_discards", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: rx_drops", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: rx_ucast_bytes", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: rx_mcast_bytes", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: rx_bcast_bytes", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tx_ucast_packets", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tx_mcast_packets", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tx_bcast_packets", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tx_discards", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tx_drops", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tx_ucast_bytes", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tx_mcast_bytes", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tx_bcast_bytes", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tpa_packets", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tpa_bytes", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tpa_events", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tpa_aborts", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: rx_l4_csum_errors", i);
buf += ETH_GSTRING_LEN;
}
break;
default:
netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
stringset);
break;
}
}
static void bnxt_get_ringparam(struct net_device *dev,
struct ethtool_ringparam *ering)
{
struct bnxt *bp = netdev_priv(dev);
ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
ering->rx_pending = bp->rx_ring_size;
ering->rx_jumbo_pending = bp->rx_agg_ring_size;
ering->tx_pending = bp->tx_ring_size;
}
static int bnxt_set_ringparam(struct net_device *dev,
struct ethtool_ringparam *ering)
{
struct bnxt *bp = netdev_priv(dev);
if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
(ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
(ering->tx_pending <= MAX_SKB_FRAGS))
return -EINVAL;
if (netif_running(dev))
bnxt_close_nic(bp, false, false);
bp->rx_ring_size = ering->rx_pending;
bp->tx_ring_size = ering->tx_pending;
bnxt_set_ring_params(bp);
if (netif_running(dev))
return bnxt_open_nic(bp, false, false);
return 0;
}
static void bnxt_get_channels(struct net_device *dev,
struct ethtool_channels *channel)
{
struct bnxt *bp = netdev_priv(dev);
int max_rx_rings, max_tx_rings, tcs;
bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings);
tcs = netdev_get_num_tc(dev);
if (tcs > 1)
max_tx_rings /= tcs;
channel->max_rx = max_rx_rings;
channel->max_tx = max_tx_rings;
channel->max_other = 0;
channel->max_combined = 0;
channel->rx_count = bp->rx_nr_rings;
channel->tx_count = bp->tx_nr_rings_per_tc;
}
static int bnxt_set_channels(struct net_device *dev,
struct ethtool_channels *channel)
{
struct bnxt *bp = netdev_priv(dev);
int max_rx_rings, max_tx_rings, tcs;
u32 rc = 0;
if (channel->other_count || channel->combined_count ||
!channel->rx_count || !channel->tx_count)
return -EINVAL;
bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings);
tcs = netdev_get_num_tc(dev);
if (tcs > 1)
max_tx_rings /= tcs;
if (channel->rx_count > max_rx_rings ||
channel->tx_count > max_tx_rings)
return -EINVAL;
if (netif_running(dev)) {
if (BNXT_PF(bp)) {
/* TODO CHIMP_FW: Send message to all VF's
* before PF unload
*/
}
rc = bnxt_close_nic(bp, true, false);
if (rc) {
netdev_err(bp->dev, "Set channel failure rc :%x\n",
rc);
return rc;
}
}
bp->rx_nr_rings = channel->rx_count;
bp->tx_nr_rings_per_tc = channel->tx_count;
bp->tx_nr_rings = bp->tx_nr_rings_per_tc;
if (tcs > 1)
bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs;
bp->cp_nr_rings = max_t(int, bp->tx_nr_rings, bp->rx_nr_rings);
bp->num_stat_ctxs = bp->cp_nr_rings;
if (netif_running(dev)) {
rc = bnxt_open_nic(bp, true, false);
if ((!rc) && BNXT_PF(bp)) {
/* TODO CHIMP_FW: Send message to all VF's
* to renable
*/
}
}
return rc;
}
#ifdef CONFIG_RFS_ACCEL
static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
u32 *rule_locs)
{
int i, j = 0;
cmd->data = bp->ntp_fltr_count;
for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
struct hlist_head *head;
struct bnxt_ntuple_filter *fltr;
head = &bp->ntp_fltr_hash_tbl[i];
rcu_read_lock();
hlist_for_each_entry_rcu(fltr, head, hash) {
if (j == cmd->rule_cnt)
break;
rule_locs[j++] = fltr->sw_id;
}
rcu_read_unlock();
if (j == cmd->rule_cnt)
break;
}
cmd->rule_cnt = j;
return 0;
}
static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
{
struct ethtool_rx_flow_spec *fs =
(struct ethtool_rx_flow_spec *)&cmd->fs;
struct bnxt_ntuple_filter *fltr;
struct flow_keys *fkeys;
int i, rc = -EINVAL;
if (fs->location < 0 || fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
return rc;
for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
struct hlist_head *head;
head = &bp->ntp_fltr_hash_tbl[i];
rcu_read_lock();
hlist_for_each_entry_rcu(fltr, head, hash) {
if (fltr->sw_id == fs->location)
goto fltr_found;
}
rcu_read_unlock();
}
return rc;
fltr_found:
fkeys = &fltr->fkeys;
if (fkeys->basic.ip_proto == IPPROTO_TCP)
fs->flow_type = TCP_V4_FLOW;
else if (fkeys->basic.ip_proto == IPPROTO_UDP)
fs->flow_type = UDP_V4_FLOW;
else
goto fltr_err;
fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
fs->ring_cookie = fltr->rxq;
rc = 0;
fltr_err:
rcu_read_unlock();
return rc;
}
static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
u32 *rule_locs)
{
struct bnxt *bp = netdev_priv(dev);
int rc = 0;
switch (cmd->cmd) {
case ETHTOOL_GRXRINGS:
cmd->data = bp->rx_nr_rings;
break;
case ETHTOOL_GRXCLSRLCNT:
cmd->rule_cnt = bp->ntp_fltr_count;
cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
break;
case ETHTOOL_GRXCLSRLALL:
rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
break;
case ETHTOOL_GRXCLSRULE:
rc = bnxt_grxclsrule(bp, cmd);
break;
default:
rc = -EOPNOTSUPP;
break;
}
return rc;
}
#endif
static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
{
return HW_HASH_INDEX_SIZE;
}
static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
{
return HW_HASH_KEY_SIZE;
}
static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
u8 *hfunc)
{
struct bnxt *bp = netdev_priv(dev);
struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
int i = 0;
if (hfunc)
*hfunc = ETH_RSS_HASH_TOP;
if (indir)
for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
indir[i] = le16_to_cpu(vnic->rss_table[i]);
if (key)
memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
return 0;
}
static void bnxt_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
struct bnxt *bp = netdev_priv(dev);
strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
strlcpy(info->fw_version, bp->fw_ver_str, sizeof(info->fw_version));
strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
info->testinfo_len = BNXT_NUM_TESTS(bp);
/* TODO CHIMP_FW: eeprom dump details */
info->eedump_len = 0;
/* TODO CHIMP FW: reg dump details */
info->regdump_len = 0;
}
static u32 bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info)
{
u16 fw_speeds = link_info->support_speeds;
u32 speed_mask = 0;
if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
speed_mask |= SUPPORTED_100baseT_Full;
if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
speed_mask |= SUPPORTED_1000baseT_Full;
if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
speed_mask |= SUPPORTED_2500baseX_Full;
if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
speed_mask |= SUPPORTED_10000baseT_Full;
/* TODO: support 25GB, 50GB with different cable type */
if (fw_speeds & BNXT_LINK_SPEED_MSK_20GB)
speed_mask |= SUPPORTED_20000baseMLD2_Full |
SUPPORTED_20000baseKR2_Full;
if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
speed_mask |= SUPPORTED_40000baseKR4_Full |
SUPPORTED_40000baseCR4_Full |
SUPPORTED_40000baseSR4_Full |
SUPPORTED_40000baseLR4_Full;
return speed_mask;
}
static u32 bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info)
{
u16 fw_speeds = link_info->auto_link_speeds;
u32 speed_mask = 0;
/* TODO: support 25GB, 40GB, 50GB with different cable type */
/* set the advertised speeds */
if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
speed_mask |= ADVERTISED_100baseT_Full;
if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
speed_mask |= ADVERTISED_1000baseT_Full;
if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
speed_mask |= ADVERTISED_2500baseX_Full;
if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
speed_mask |= ADVERTISED_10000baseT_Full;
/* TODO: how to advertise 20, 25, 40, 50GB with different cable type ?*/
if (fw_speeds & BNXT_LINK_SPEED_MSK_20GB)
speed_mask |= ADVERTISED_20000baseMLD2_Full |
ADVERTISED_20000baseKR2_Full;
if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
speed_mask |= ADVERTISED_40000baseKR4_Full |
ADVERTISED_40000baseCR4_Full |
ADVERTISED_40000baseSR4_Full |
ADVERTISED_40000baseLR4_Full;
return speed_mask;
}
u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
{
switch (fw_link_speed) {
case BNXT_LINK_SPEED_100MB:
return SPEED_100;
case BNXT_LINK_SPEED_1GB:
return SPEED_1000;
case BNXT_LINK_SPEED_2_5GB:
return SPEED_2500;
case BNXT_LINK_SPEED_10GB:
return SPEED_10000;
case BNXT_LINK_SPEED_20GB:
return SPEED_20000;
case BNXT_LINK_SPEED_25GB:
return SPEED_25000;
case BNXT_LINK_SPEED_40GB:
return SPEED_40000;
case BNXT_LINK_SPEED_50GB:
return SPEED_50000;
default:
return SPEED_UNKNOWN;
}
}
static int bnxt_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
struct bnxt *bp = netdev_priv(dev);
struct bnxt_link_info *link_info = &bp->link_info;
u16 ethtool_speed;
cmd->supported = bnxt_fw_to_ethtool_support_spds(link_info);
if (link_info->auto_link_speeds)
cmd->supported |= SUPPORTED_Autoneg;
if (BNXT_AUTO_MODE(link_info->auto_mode)) {
cmd->advertising =
bnxt_fw_to_ethtool_advertised_spds(link_info);
cmd->advertising |= ADVERTISED_Autoneg;
cmd->autoneg = AUTONEG_ENABLE;
} else {
cmd->autoneg = AUTONEG_DISABLE;
cmd->advertising = 0;
}
if (link_info->auto_pause_setting & BNXT_LINK_PAUSE_BOTH) {
if ((link_info->auto_pause_setting & BNXT_LINK_PAUSE_BOTH) ==
BNXT_LINK_PAUSE_BOTH) {
cmd->advertising |= ADVERTISED_Pause;
cmd->supported |= SUPPORTED_Pause;
} else {
cmd->advertising |= ADVERTISED_Asym_Pause;
cmd->supported |= SUPPORTED_Asym_Pause;
if (link_info->auto_pause_setting &
BNXT_LINK_PAUSE_RX)
cmd->advertising |= ADVERTISED_Pause;
}
} else if (link_info->force_pause_setting & BNXT_LINK_PAUSE_BOTH) {
if ((link_info->force_pause_setting & BNXT_LINK_PAUSE_BOTH) ==
BNXT_LINK_PAUSE_BOTH) {
cmd->supported |= SUPPORTED_Pause;
} else {
cmd->supported |= SUPPORTED_Asym_Pause;
if (link_info->force_pause_setting &
BNXT_LINK_PAUSE_RX)
cmd->supported |= SUPPORTED_Pause;
}
}
cmd->port = PORT_NONE;
if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
cmd->port = PORT_TP;
cmd->supported |= SUPPORTED_TP;
cmd->advertising |= ADVERTISED_TP;
} else {
cmd->supported |= SUPPORTED_FIBRE;
cmd->advertising |= ADVERTISED_FIBRE;
if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
cmd->port = PORT_DA;
else if (link_info->media_type ==
PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
cmd->port = PORT_FIBRE;
}
if (link_info->phy_link_status == BNXT_LINK_LINK) {
if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
cmd->duplex = DUPLEX_FULL;
} else {
cmd->duplex = DUPLEX_UNKNOWN;
}
ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
ethtool_cmd_speed_set(cmd, ethtool_speed);
if (link_info->transceiver ==
PORT_PHY_QCFG_RESP_TRANSCEIVER_TYPE_XCVR_INTERNAL)
cmd->transceiver = XCVR_INTERNAL;
else
cmd->transceiver = XCVR_EXTERNAL;
cmd->phy_address = link_info->phy_addr;
return 0;
}
static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed)
{
switch (ethtool_speed) {
case SPEED_100:
return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
case SPEED_1000:
return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
case SPEED_2500:
return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
case SPEED_10000:
return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
case SPEED_20000:
return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
case SPEED_25000:
return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
case SPEED_40000:
return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
case SPEED_50000:
return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
default:
netdev_err(dev, "unsupported speed!\n");
break;
}
return 0;
}
static u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
{
u16 fw_speed_mask = 0;
/* only support autoneg at speed 100, 1000, and 10000 */
if (advertising & (ADVERTISED_100baseT_Full |
ADVERTISED_100baseT_Half)) {
fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
}
if (advertising & (ADVERTISED_1000baseT_Full |
ADVERTISED_1000baseT_Half)) {
fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
}
if (advertising & ADVERTISED_10000baseT_Full)
fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
return fw_speed_mask;
}
static int bnxt_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
int rc = 0;
struct bnxt *bp = netdev_priv(dev);
struct bnxt_link_info *link_info = &bp->link_info;
u32 speed, fw_advertising = 0;
bool set_pause = false;
if (BNXT_VF(bp))
return rc;
if (cmd->autoneg == AUTONEG_ENABLE) {
if (link_info->media_type != PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
netdev_err(dev, "Media type doesn't support autoneg\n");
rc = -EINVAL;
goto set_setting_exit;
}
if (cmd->advertising & ~(BNXT_ALL_COPPER_ETHTOOL_SPEED |
ADVERTISED_Autoneg |
ADVERTISED_TP |
ADVERTISED_Pause |
ADVERTISED_Asym_Pause)) {
netdev_err(dev, "Unsupported advertising mask (adv: 0x%x)\n",
cmd->advertising);
rc = -EINVAL;
goto set_setting_exit;
}
fw_advertising = bnxt_get_fw_auto_link_speeds(cmd->advertising);
if (fw_advertising & ~link_info->support_speeds) {
netdev_err(dev, "Advertising parameters are not supported! (adv: 0x%x)\n",
cmd->advertising);
rc = -EINVAL;
goto set_setting_exit;
}
link_info->autoneg |= BNXT_AUTONEG_SPEED;
if (!fw_advertising)
link_info->advertising = link_info->support_speeds;
else
link_info->advertising = fw_advertising;
/* any change to autoneg will cause link change, therefore the
* driver should put back the original pause setting in autoneg
*/
set_pause = true;
} else {
/* TODO: currently don't support half duplex */
if (cmd->duplex == DUPLEX_HALF) {
netdev_err(dev, "HALF DUPLEX is not supported!\n");
rc = -EINVAL;
goto set_setting_exit;
}
/* If received a request for an unknown duplex, assume full*/
if (cmd->duplex == DUPLEX_UNKNOWN)
cmd->duplex = DUPLEX_FULL;
speed = ethtool_cmd_speed(cmd);
link_info->req_link_speed = bnxt_get_fw_speed(dev, speed);
link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
link_info->autoneg &= ~BNXT_AUTONEG_SPEED;
link_info->advertising = 0;
}
if (netif_running(dev))
rc = bnxt_hwrm_set_link_setting(bp, set_pause);
set_setting_exit:
return rc;
}
static void bnxt_get_pauseparam(struct net_device *dev,
struct ethtool_pauseparam *epause)
{
struct bnxt *bp = netdev_priv(dev);
struct bnxt_link_info *link_info = &bp->link_info;
if (BNXT_VF(bp))
return;
epause->autoneg = !!(link_info->auto_pause_setting &
BNXT_LINK_PAUSE_BOTH);
epause->rx_pause = ((link_info->pause & BNXT_LINK_PAUSE_RX) != 0);
epause->tx_pause = ((link_info->pause & BNXT_LINK_PAUSE_TX) != 0);
}
static int bnxt_set_pauseparam(struct net_device *dev,
struct ethtool_pauseparam *epause)
{
int rc = 0;
struct bnxt *bp = netdev_priv(dev);
struct bnxt_link_info *link_info = &bp->link_info;
if (BNXT_VF(bp))
return rc;
if (epause->autoneg) {
link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_BOTH;
} else {
/* when transition from auto pause to force pause,
* force a link change
*/
if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
link_info->force_link_chng = true;
link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
link_info->req_flow_ctrl &= ~BNXT_LINK_PAUSE_BOTH;
}
if (epause->rx_pause)
link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
else
link_info->req_flow_ctrl &= ~BNXT_LINK_PAUSE_RX;
if (epause->tx_pause)
link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
else
link_info->req_flow_ctrl &= ~BNXT_LINK_PAUSE_TX;
if (netif_running(dev))
rc = bnxt_hwrm_set_pause(bp);
return rc;
}
static u32 bnxt_get_link(struct net_device *dev)
{
struct bnxt *bp = netdev_priv(dev);
/* TODO: handle MF, VF, driver close case */
return bp->link_info.link_up;
}
static int bnxt_flash_nvram(struct net_device *dev,
u16 dir_type,
u16 dir_ordinal,
u16 dir_ext,
u16 dir_attr,
const u8 *data,
size_t data_len)
{
struct bnxt *bp = netdev_priv(dev);
int rc;
struct hwrm_nvm_write_input req = {0};
dma_addr_t dma_handle;
u8 *kmem;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
req.dir_type = cpu_to_le16(dir_type);
req.dir_ordinal = cpu_to_le16(dir_ordinal);
req.dir_ext = cpu_to_le16(dir_ext);
req.dir_attr = cpu_to_le16(dir_attr);
req.dir_data_length = cpu_to_le32(data_len);
kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
GFP_KERNEL);
if (!kmem) {
netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
(unsigned)data_len);
return -ENOMEM;
}
memcpy(kmem, data, data_len);
req.host_src_addr = cpu_to_le64(dma_handle);
rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
return rc;
}
static int bnxt_flash_firmware(struct net_device *dev,
u16 dir_type,
const u8 *fw_data,
size_t fw_size)
{
int rc = 0;
u16 code_type;
u32 stored_crc;
u32 calculated_crc;
struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
switch (dir_type) {
case BNX_DIR_TYPE_BOOTCODE:
case BNX_DIR_TYPE_BOOTCODE_2:
code_type = CODE_BOOT;
break;
default:
netdev_err(dev, "Unsupported directory entry type: %u\n",
dir_type);
return -EINVAL;
}
if (fw_size < sizeof(struct bnxt_fw_header)) {
netdev_err(dev, "Invalid firmware file size: %u\n",
(unsigned int)fw_size);
return -EINVAL;
}
if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
netdev_err(dev, "Invalid firmware signature: %08X\n",
le32_to_cpu(header->signature));
return -EINVAL;
}
if (header->code_type != code_type) {
netdev_err(dev, "Expected firmware type: %d, read: %d\n",
code_type, header->code_type);
return -EINVAL;
}
if (header->device != DEVICE_CUMULUS_FAMILY) {
netdev_err(dev, "Expected firmware device family %d, read: %d\n",
DEVICE_CUMULUS_FAMILY, header->device);
return -EINVAL;
}
/* Confirm the CRC32 checksum of the file: */
stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
sizeof(stored_crc)));
calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
if (calculated_crc != stored_crc) {
netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
(unsigned long)stored_crc,
(unsigned long)calculated_crc);
return -EINVAL;
}
/* TODO: Validate digital signature (RSA-encrypted SHA-256 hash) here */
rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
0, 0, fw_data, fw_size);
if (rc == 0) { /* Firmware update successful */
/* TODO: Notify processor it needs to reset itself
*/
}
return rc;
}
static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
{
switch (dir_type) {
case BNX_DIR_TYPE_CHIMP_PATCH:
case BNX_DIR_TYPE_BOOTCODE:
case BNX_DIR_TYPE_BOOTCODE_2:
case BNX_DIR_TYPE_APE_FW:
case BNX_DIR_TYPE_APE_PATCH:
case BNX_DIR_TYPE_KONG_FW:
case BNX_DIR_TYPE_KONG_PATCH:
return true;
}
return false;
}
static bool bnxt_dir_type_is_unprotected_exec_format(u16 dir_type)
{
switch (dir_type) {
case BNX_DIR_TYPE_AVS:
case BNX_DIR_TYPE_EXP_ROM_MBA:
case BNX_DIR_TYPE_PCIE:
case BNX_DIR_TYPE_TSCF_UCODE:
case BNX_DIR_TYPE_EXT_PHY:
case BNX_DIR_TYPE_CCM:
case BNX_DIR_TYPE_ISCSI_BOOT:
case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
return true;
}
return false;
}
static bool bnxt_dir_type_is_executable(u16 dir_type)
{
return bnxt_dir_type_is_ape_bin_format(dir_type) ||
bnxt_dir_type_is_unprotected_exec_format(dir_type);
}
static int bnxt_flash_firmware_from_file(struct net_device *dev,
u16 dir_type,
const char *filename)
{
const struct firmware *fw;
int rc;
if (bnxt_dir_type_is_executable(dir_type) == false)
return -EINVAL;
rc = request_firmware(&fw, filename, &dev->dev);
if (rc != 0) {
netdev_err(dev, "Error %d requesting firmware file: %s\n",
rc, filename);
return rc;
}
if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
else
rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
0, 0, fw->data, fw->size);
release_firmware(fw);
return rc;
}
static int bnxt_flash_package_from_file(struct net_device *dev,
char *filename)
{
netdev_err(dev, "packages are not yet supported\n");
return -EINVAL;
}
static int bnxt_flash_device(struct net_device *dev,
struct ethtool_flash *flash)
{
if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
netdev_err(dev, "flashdev not supported from a virtual function\n");
return -EINVAL;
}
if (flash->region == ETHTOOL_FLASH_ALL_REGIONS)
return bnxt_flash_package_from_file(dev, flash->data);
return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
}
static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
{
struct bnxt *bp = netdev_priv(dev);
int rc;
struct hwrm_nvm_get_dir_info_input req = {0};
struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
mutex_lock(&bp->hwrm_cmd_lock);
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (!rc) {
*entries = le32_to_cpu(output->entries);
*length = le32_to_cpu(output->entry_length);
}
mutex_unlock(&bp->hwrm_cmd_lock);
return rc;
}
static int bnxt_get_eeprom_len(struct net_device *dev)
{
/* The -1 return value allows the entire 32-bit range of offsets to be
* passed via the ethtool command-line utility.
*/
return -1;
}
static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
{
struct bnxt *bp = netdev_priv(dev);
int rc;
u32 dir_entries;
u32 entry_length;
u8 *buf;
size_t buflen;
dma_addr_t dma_handle;
struct hwrm_nvm_get_dir_entries_input req = {0};
rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
if (rc != 0)
return rc;
/* Insert 2 bytes of directory info (count and size of entries) */
if (len < 2)
return -EINVAL;
*data++ = dir_entries;
*data++ = entry_length;
len -= 2;
memset(data, 0xff, len);
buflen = dir_entries * entry_length;
buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
GFP_KERNEL);
if (!buf) {
netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
(unsigned)buflen);
return -ENOMEM;
}
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
req.host_dest_addr = cpu_to_le64(dma_handle);
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (rc == 0)
memcpy(data, buf, len > buflen ? buflen : len);
dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
return rc;
}
static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
u32 length, u8 *data)
{
struct bnxt *bp = netdev_priv(dev);
int rc;
u8 *buf;
dma_addr_t dma_handle;
struct hwrm_nvm_read_input req = {0};
buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
GFP_KERNEL);
if (!buf) {
netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
(unsigned)length);
return -ENOMEM;
}
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
req.host_dest_addr = cpu_to_le64(dma_handle);
req.dir_idx = cpu_to_le16(index);
req.offset = cpu_to_le32(offset);
req.len = cpu_to_le32(length);
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (rc == 0)
memcpy(data, buf, length);
dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
return rc;
}
static int bnxt_get_eeprom(struct net_device *dev,
struct ethtool_eeprom *eeprom,
u8 *data)
{
u32 index;
u32 offset;
if (eeprom->offset == 0) /* special offset value to get directory */
return bnxt_get_nvram_directory(dev, eeprom->len, data);
index = eeprom->offset >> 24;
offset = eeprom->offset & 0xffffff;
if (index == 0) {
netdev_err(dev, "unsupported index value: %d\n", index);
return -EINVAL;
}
return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
}
static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
{
struct bnxt *bp = netdev_priv(dev);
struct hwrm_nvm_erase_dir_entry_input req = {0};
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
req.dir_idx = cpu_to_le16(index);
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
}
static int bnxt_set_eeprom(struct net_device *dev,
struct ethtool_eeprom *eeprom,
u8 *data)
{
struct bnxt *bp = netdev_priv(dev);
u8 index, dir_op;
u16 type, ext, ordinal, attr;
if (!BNXT_PF(bp)) {
netdev_err(dev, "NVM write not supported from a virtual function\n");
return -EINVAL;
}
type = eeprom->magic >> 16;
if (type == 0xffff) { /* special value for directory operations */
index = eeprom->magic & 0xff;
dir_op = eeprom->magic >> 8;
if (index == 0)
return -EINVAL;
switch (dir_op) {
case 0x0e: /* erase */
if (eeprom->offset != ~eeprom->magic)
return -EINVAL;
return bnxt_erase_nvram_directory(dev, index - 1);
default:
return -EINVAL;
}
}
/* Create or re-write an NVM item: */
if (bnxt_dir_type_is_executable(type) == true)
return -EINVAL;
ext = eeprom->magic & 0xffff;
ordinal = eeprom->offset >> 16;
attr = eeprom->offset & 0xffff;
return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
eeprom->len);
}
const struct ethtool_ops bnxt_ethtool_ops = {
.get_settings = bnxt_get_settings,
.set_settings = bnxt_set_settings,
.get_pauseparam = bnxt_get_pauseparam,
.set_pauseparam = bnxt_set_pauseparam,
.get_drvinfo = bnxt_get_drvinfo,
.get_coalesce = bnxt_get_coalesce,
.set_coalesce = bnxt_set_coalesce,
.get_msglevel = bnxt_get_msglevel,
.set_msglevel = bnxt_set_msglevel,
.get_sset_count = bnxt_get_sset_count,
.get_strings = bnxt_get_strings,
.get_ethtool_stats = bnxt_get_ethtool_stats,
.set_ringparam = bnxt_set_ringparam,
.get_ringparam = bnxt_get_ringparam,
.get_channels = bnxt_get_channels,
.set_channels = bnxt_set_channels,
#ifdef CONFIG_RFS_ACCEL
.get_rxnfc = bnxt_get_rxnfc,
#endif
.get_rxfh_indir_size = bnxt_get_rxfh_indir_size,
.get_rxfh_key_size = bnxt_get_rxfh_key_size,
.get_rxfh = bnxt_get_rxfh,
.flash_device = bnxt_flash_device,
.get_eeprom_len = bnxt_get_eeprom_len,
.get_eeprom = bnxt_get_eeprom,
.set_eeprom = bnxt_set_eeprom,
.get_link = bnxt_get_link,
};