#include <linux/spinlock.h>
#include <linux/phy.h>
#include <linux/net_tstamp.h>
#include "xgbe.h"
#include "xgbe-common.h"
struct xgbe_stats {
char stat_string[ETH_GSTRING_LEN];
int stat_size;
int stat_offset;
};
#define XGMAC_MMC_STAT(_string, _var) \
{ _string, \
sizeof_field(struct xgbe_mmc_stats, _var), \
offsetof(struct xgbe_prv_data, mmc_stats._var), \
}
#define XGMAC_EXT_STAT(_string, _var) \
{ _string, \
sizeof_field(struct xgbe_ext_stats, _var), \
offsetof(struct xgbe_prv_data, ext_stats._var), \
}
static const struct xgbe_stats xgbe_gstring_stats[] = {
XGMAC_MMC_STAT("tx_bytes", txoctetcount_gb),
XGMAC_MMC_STAT("tx_packets", txframecount_gb),
XGMAC_MMC_STAT("tx_unicast_packets", txunicastframes_gb),
XGMAC_MMC_STAT("tx_broadcast_packets", txbroadcastframes_gb),
XGMAC_MMC_STAT("tx_multicast_packets", txmulticastframes_gb),
XGMAC_MMC_STAT("tx_vlan_packets", txvlanframes_g),
XGMAC_EXT_STAT("tx_vxlan_packets", tx_vxlan_packets),
XGMAC_EXT_STAT("tx_tso_packets", tx_tso_packets),
XGMAC_MMC_STAT("tx_64_byte_packets", tx64octets_gb),
XGMAC_MMC_STAT("tx_65_to_127_byte_packets", tx65to127octets_gb),
XGMAC_MMC_STAT("tx_128_to_255_byte_packets", tx128to255octets_gb),
XGMAC_MMC_STAT("tx_256_to_511_byte_packets", tx256to511octets_gb),
XGMAC_MMC_STAT("tx_512_to_1023_byte_packets", tx512to1023octets_gb),
XGMAC_MMC_STAT("tx_1024_to_max_byte_packets", tx1024tomaxoctets_gb),
XGMAC_MMC_STAT("tx_underflow_errors", txunderflowerror),
XGMAC_MMC_STAT("tx_pause_frames", txpauseframes),
XGMAC_MMC_STAT("rx_bytes", rxoctetcount_gb),
XGMAC_MMC_STAT("rx_packets", rxframecount_gb),
XGMAC_MMC_STAT("rx_unicast_packets", rxunicastframes_g),
XGMAC_MMC_STAT("rx_broadcast_packets", rxbroadcastframes_g),
XGMAC_MMC_STAT("rx_multicast_packets", rxmulticastframes_g),
XGMAC_MMC_STAT("rx_vlan_packets", rxvlanframes_gb),
XGMAC_EXT_STAT("rx_vxlan_packets", rx_vxlan_packets),
XGMAC_MMC_STAT("rx_64_byte_packets", rx64octets_gb),
XGMAC_MMC_STAT("rx_65_to_127_byte_packets", rx65to127octets_gb),
XGMAC_MMC_STAT("rx_128_to_255_byte_packets", rx128to255octets_gb),
XGMAC_MMC_STAT("rx_256_to_511_byte_packets", rx256to511octets_gb),
XGMAC_MMC_STAT("rx_512_to_1023_byte_packets", rx512to1023octets_gb),
XGMAC_MMC_STAT("rx_1024_to_max_byte_packets", rx1024tomaxoctets_gb),
XGMAC_MMC_STAT("rx_undersize_packets", rxundersize_g),
XGMAC_MMC_STAT("rx_oversize_packets", rxoversize_g),
XGMAC_MMC_STAT("rx_crc_errors", rxcrcerror),
XGMAC_MMC_STAT("rx_crc_errors_small_packets", rxrunterror),
XGMAC_MMC_STAT("rx_crc_errors_giant_packets", rxjabbererror),
XGMAC_MMC_STAT("rx_length_errors", rxlengtherror),
XGMAC_MMC_STAT("rx_out_of_range_errors", rxoutofrangetype),
XGMAC_MMC_STAT("rx_fifo_overflow_errors", rxfifooverflow),
XGMAC_MMC_STAT("rx_watchdog_errors", rxwatchdogerror),
XGMAC_EXT_STAT("rx_csum_errors", rx_csum_errors),
XGMAC_EXT_STAT("rx_vxlan_csum_errors", rx_vxlan_csum_errors),
XGMAC_MMC_STAT("rx_pause_frames", rxpauseframes),
XGMAC_EXT_STAT("rx_split_header_packets", rx_split_header_packets),
XGMAC_EXT_STAT("rx_buffer_unavailable", rx_buffer_unavailable),
};
#define XGBE_STATS_COUNT ARRAY_SIZE(xgbe_gstring_stats)
static void xgbe_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
int i;
switch (stringset) {
case ETH_SS_TEST:
xgbe_selftest_get_strings(pdata, data);
break;
case ETH_SS_STATS:
for (i = 0; i < XGBE_STATS_COUNT; i++)
ethtool_puts(&data, xgbe_gstring_stats[i].stat_string);
for (i = 0; i < pdata->tx_ring_count; i++) {
ethtool_sprintf(&data, "txq_%u_packets", i);
ethtool_sprintf(&data, "txq_%u_bytes", i);
}
for (i = 0; i < pdata->rx_ring_count; i++) {
ethtool_sprintf(&data, "rxq_%u_packets", i);
ethtool_sprintf(&data, "rxq_%u_bytes", i);
}
break;
}
}
static void xgbe_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *stats, u64 *data)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
u8 *stat;
int i;
pdata->hw_if.read_mmc_stats(pdata);
for (i = 0; i < XGBE_STATS_COUNT; i++) {
stat = (u8 *)pdata + xgbe_gstring_stats[i].stat_offset;
*data++ = *(u64 *)stat;
}
for (i = 0; i < pdata->tx_ring_count; i++) {
*data++ = pdata->ext_stats.txq_packets[i];
*data++ = pdata->ext_stats.txq_bytes[i];
}
for (i = 0; i < pdata->rx_ring_count; i++) {
*data++ = pdata->ext_stats.rxq_packets[i];
*data++ = pdata->ext_stats.rxq_bytes[i];
}
}
static int xgbe_get_sset_count(struct net_device *netdev, int stringset)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
int ret;
switch (stringset) {
case ETH_SS_TEST:
ret = xgbe_selftest_get_count(pdata);
break;
case ETH_SS_STATS:
ret = XGBE_STATS_COUNT +
(pdata->tx_ring_count * 2) +
(pdata->rx_ring_count * 2);
break;
default:
ret = -EOPNOTSUPP;
}
return ret;
}
static void xgbe_get_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *pause)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
pause->autoneg = pdata->phy.pause_autoneg;
pause->tx_pause = pdata->phy.tx_pause;
pause->rx_pause = pdata->phy.rx_pause;
}
static int xgbe_set_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *pause)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
struct ethtool_link_ksettings *lks = &pdata->phy.lks;
int ret = 0;
if (pause->autoneg && (pdata->phy.autoneg != AUTONEG_ENABLE)) {
netdev_err(netdev,
"autoneg disabled, pause autoneg not available\n");
return -EINVAL;
}
pdata->phy.pause_autoneg = pause->autoneg;
pdata->phy.tx_pause = pause->tx_pause;
pdata->phy.rx_pause = pause->rx_pause;
XGBE_CLR_ADV(lks, Pause);
XGBE_CLR_ADV(lks, Asym_Pause);
if (pause->rx_pause) {
XGBE_SET_ADV(lks, Pause);
XGBE_SET_ADV(lks, Asym_Pause);
}
if (pause->tx_pause) {
if (XGBE_ADV(lks, Asym_Pause))
XGBE_CLR_ADV(lks, Asym_Pause);
else
XGBE_SET_ADV(lks, Asym_Pause);
}
if (netif_running(netdev))
ret = pdata->phy_if.phy_config_aneg(pdata);
return ret;
}
static int xgbe_get_link_ksettings(struct net_device *netdev,
struct ethtool_link_ksettings *cmd)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
struct ethtool_link_ksettings *lks = &pdata->phy.lks;
cmd->base.phy_address = pdata->phy.address;
if (netif_carrier_ok(netdev)) {
cmd->base.speed = pdata->phy.speed;
cmd->base.duplex = pdata->phy.duplex;
} else {
cmd->base.speed = SPEED_UNKNOWN;
cmd->base.duplex = DUPLEX_UNKNOWN;
}
cmd->base.autoneg = pdata->phy.autoneg;
cmd->base.port = PORT_NONE;
XGBE_LM_COPY(cmd, supported, lks, supported);
XGBE_LM_COPY(cmd, advertising, lks, advertising);
XGBE_LM_COPY(cmd, lp_advertising, lks, lp_advertising);
return 0;
}
static int xgbe_set_link_ksettings(struct net_device *netdev,
const struct ethtool_link_ksettings *cmd)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
struct ethtool_link_ksettings *lks = &pdata->phy.lks;
__ETHTOOL_DECLARE_LINK_MODE_MASK(advertising);
u32 speed;
int ret;
speed = cmd->base.speed;
if (cmd->base.phy_address != pdata->phy.address) {
netdev_err(netdev, "invalid phy address %hhu\n",
cmd->base.phy_address);
return -EINVAL;
}
if ((cmd->base.autoneg != AUTONEG_ENABLE) &&
(cmd->base.autoneg != AUTONEG_DISABLE)) {
netdev_err(netdev, "unsupported autoneg %hhu\n",
cmd->base.autoneg);
return -EINVAL;
}
if (cmd->base.autoneg == AUTONEG_DISABLE) {
if (!pdata->phy_if.phy_valid_speed(pdata, speed)) {
netdev_err(netdev, "unsupported speed %u\n", speed);
return -EINVAL;
}
if (cmd->base.duplex != DUPLEX_FULL) {
netdev_err(netdev, "unsupported duplex %hhu\n",
cmd->base.duplex);
return -EINVAL;
}
}
netif_dbg(pdata, link, netdev,
"requested advertisement 0x%*pb, phy supported 0x%*pb\n",
__ETHTOOL_LINK_MODE_MASK_NBITS, cmd->link_modes.advertising,
__ETHTOOL_LINK_MODE_MASK_NBITS, lks->link_modes.supported);
linkmode_and(advertising, cmd->link_modes.advertising,
lks->link_modes.supported);
if ((cmd->base.autoneg == AUTONEG_ENABLE) &&
bitmap_empty(advertising, __ETHTOOL_LINK_MODE_MASK_NBITS)) {
netdev_err(netdev,
"unsupported requested advertisement\n");
return -EINVAL;
}
ret = 0;
pdata->phy.autoneg = cmd->base.autoneg;
pdata->phy.speed = speed;
pdata->phy.duplex = cmd->base.duplex;
linkmode_copy(lks->link_modes.advertising, advertising);
if (cmd->base.autoneg == AUTONEG_ENABLE)
XGBE_SET_ADV(lks, Autoneg);
else
XGBE_CLR_ADV(lks, Autoneg);
if (netif_running(netdev))
ret = pdata->phy_if.phy_config_aneg(pdata);
return ret;
}
static void xgbe_get_drvinfo(struct net_device *netdev,
struct ethtool_drvinfo *drvinfo)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
struct xgbe_hw_features *hw_feat = &pdata->hw_feat;
strscpy(drvinfo->driver, XGBE_DRV_NAME, sizeof(drvinfo->driver));
strscpy(drvinfo->bus_info, dev_name(pdata->dev),
sizeof(drvinfo->bus_info));
snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "%d.%d.%d",
XGMAC_GET_BITS(hw_feat->version, MAC_VR, USERVER),
XGMAC_GET_BITS(hw_feat->version, MAC_VR, DEVID),
XGMAC_GET_BITS(hw_feat->version, MAC_VR, SNPSVER));
}
static u32 xgbe_get_msglevel(struct net_device *netdev)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
return pdata->msg_enable;
}
static void xgbe_set_msglevel(struct net_device *netdev, u32 msglevel)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
pdata->msg_enable = msglevel;
}
static int xgbe_get_coalesce(struct net_device *netdev,
struct ethtool_coalesce *ec,
struct kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
memset(ec, 0, sizeof(struct ethtool_coalesce));
ec->rx_coalesce_usecs = pdata->rx_usecs;
ec->rx_max_coalesced_frames = pdata->rx_frames;
ec->tx_coalesce_usecs = pdata->tx_usecs;
ec->tx_max_coalesced_frames = pdata->tx_frames;
return 0;
}
static int xgbe_set_coalesce(struct net_device *netdev,
struct ethtool_coalesce *ec,
struct kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
struct xgbe_hw_if *hw_if = &pdata->hw_if;
unsigned int rx_frames, rx_riwt, rx_usecs;
unsigned int tx_frames, tx_usecs;
unsigned int jiffy_us = jiffies_to_usecs(1);
rx_riwt = hw_if->usec_to_riwt(pdata, ec->rx_coalesce_usecs);
rx_usecs = ec->rx_coalesce_usecs;
rx_frames = ec->rx_max_coalesced_frames;
if (rx_usecs && !rx_riwt)
rx_riwt = 1;
if (rx_riwt > XGMAC_MAX_DMA_RIWT) {
NL_SET_ERR_MSG_FMT_MOD(extack,
"rx-usec is limited to %d usecs",
hw_if->riwt_to_usec(pdata,
XGMAC_MAX_DMA_RIWT));
return -EINVAL;
}
if (rx_frames > pdata->rx_desc_count) {
NL_SET_ERR_MSG_FMT_MOD(extack,
"rx-frames is limited to %d frames",
pdata->rx_desc_count);
return -EINVAL;
}
tx_usecs = ec->tx_coalesce_usecs;
tx_frames = ec->tx_max_coalesced_frames;
if (!tx_usecs) {
NL_SET_ERR_MSG_MOD(extack, "tx-usecs must not be 0");
return -EINVAL;
}
if (tx_usecs > XGMAC_MAX_COAL_TX_TICK) {
NL_SET_ERR_MSG_FMT_MOD(extack, "tx-usecs is limited to %d usec",
XGMAC_MAX_COAL_TX_TICK);
return -EINVAL;
}
if (tx_frames > pdata->tx_desc_count) {
NL_SET_ERR_MSG_FMT_MOD(extack,
"tx-frames is limited to %d frames",
pdata->tx_desc_count);
return -EINVAL;
}
if (tx_usecs % jiffy_us) {
tx_usecs = rounddown(tx_usecs, jiffy_us);
if (!tx_usecs)
tx_usecs = jiffy_us;
NL_SET_ERR_MSG_FMT_MOD(extack,
"tx-usecs rounded to %u usec due to jiffy granularity (%u usec)",
tx_usecs, jiffy_us);
}
pdata->rx_riwt = rx_riwt;
pdata->rx_usecs = rx_usecs;
pdata->rx_frames = rx_frames;
hw_if->config_rx_coalesce(pdata);
pdata->tx_usecs = tx_usecs;
pdata->tx_frames = tx_frames;
hw_if->config_tx_coalesce(pdata);
return 0;
}
static u32 xgbe_get_rx_ring_count(struct net_device *netdev)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
return pdata->rx_ring_count;
}
static u32 xgbe_get_rxfh_key_size(struct net_device *netdev)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
return sizeof(pdata->rss_key);
}
static u32 xgbe_get_rxfh_indir_size(struct net_device *netdev)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
return ARRAY_SIZE(pdata->rss_table);
}
static int xgbe_get_rxfh(struct net_device *netdev,
struct ethtool_rxfh_param *rxfh)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
unsigned int i;
if (rxfh->indir) {
for (i = 0; i < ARRAY_SIZE(pdata->rss_table); i++)
rxfh->indir[i] = XGMAC_GET_BITS(pdata->rss_table[i],
MAC_RSSDR, DMCH);
}
if (rxfh->key)
memcpy(rxfh->key, pdata->rss_key, sizeof(pdata->rss_key));
rxfh->hfunc = ETH_RSS_HASH_TOP;
return 0;
}
static int xgbe_set_rxfh(struct net_device *netdev,
struct ethtool_rxfh_param *rxfh,
struct netlink_ext_ack *extack)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
struct xgbe_hw_if *hw_if = &pdata->hw_if;
int ret;
if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
rxfh->hfunc != ETH_RSS_HASH_TOP) {
NL_SET_ERR_MSG_MOD(extack, "unsupported hash function");
return -EOPNOTSUPP;
}
if (rxfh->indir) {
ret = hw_if->set_rss_lookup_table(pdata, rxfh->indir);
if (ret)
return ret;
}
if (rxfh->key) {
ret = hw_if->set_rss_hash_key(pdata, rxfh->key);
if (ret)
return ret;
}
return 0;
}
static int xgbe_get_ts_info(struct net_device *netdev,
struct kernel_ethtool_ts_info *ts_info)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
ts_info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
SOF_TIMESTAMPING_TX_HARDWARE |
SOF_TIMESTAMPING_RX_HARDWARE |
SOF_TIMESTAMPING_RAW_HARDWARE;
if (pdata->ptp_clock)
ts_info->phc_index = ptp_clock_index(pdata->ptp_clock);
ts_info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
ts_info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
(1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
(1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
(1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
(1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
(1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
(1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
(1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
(1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
(1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
(1 << HWTSTAMP_FILTER_ALL);
return 0;
}
static int xgbe_get_module_info(struct net_device *netdev,
struct ethtool_modinfo *modinfo)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
return pdata->phy_if.module_info(pdata, modinfo);
}
static int xgbe_get_module_eeprom(struct net_device *netdev,
struct ethtool_eeprom *eeprom, u8 *data)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
return pdata->phy_if.module_eeprom(pdata, eeprom, data);
}
static void
xgbe_get_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ringparam,
struct kernel_ethtool_ringparam *kernel_ringparam,
struct netlink_ext_ack *extack)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
ringparam->rx_max_pending = XGBE_RX_DESC_CNT_MAX;
ringparam->tx_max_pending = XGBE_TX_DESC_CNT_MAX;
ringparam->rx_pending = pdata->rx_desc_count;
ringparam->tx_pending = pdata->tx_desc_count;
}
static int xgbe_set_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ringparam,
struct kernel_ethtool_ringparam *kernel_ringparam,
struct netlink_ext_ack *extack)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
unsigned int rx, tx;
if (ringparam->rx_mini_pending || ringparam->rx_jumbo_pending) {
NL_SET_ERR_MSG_MOD(extack, "unsupported ring parameter");
return -EINVAL;
}
if ((ringparam->rx_pending < XGBE_RX_DESC_CNT_MIN) ||
(ringparam->rx_pending > XGBE_RX_DESC_CNT_MAX)) {
NL_SET_ERR_MSG_FMT_MOD(extack,
"rx ring parameter must be between %u and %u",
XGBE_RX_DESC_CNT_MIN,
XGBE_RX_DESC_CNT_MAX);
return -EINVAL;
}
if ((ringparam->tx_pending < XGBE_TX_DESC_CNT_MIN) ||
(ringparam->tx_pending > XGBE_TX_DESC_CNT_MAX)) {
NL_SET_ERR_MSG_FMT_MOD(extack,
"tx ring parameter must be between %u and %u",
XGBE_TX_DESC_CNT_MIN,
XGBE_TX_DESC_CNT_MAX);
return -EINVAL;
}
rx = __rounddown_pow_of_two(ringparam->rx_pending);
if (rx != ringparam->rx_pending)
NL_SET_ERR_MSG_FMT_MOD(extack,
"rx ring parameter rounded to power of two: %u",
rx);
tx = __rounddown_pow_of_two(ringparam->tx_pending);
if (tx != ringparam->tx_pending)
NL_SET_ERR_MSG_FMT_MOD(extack,
"tx ring parameter rounded to power of two: %u",
tx);
if ((rx == pdata->rx_desc_count) &&
(tx == pdata->tx_desc_count))
goto out;
pdata->rx_desc_count = rx;
pdata->tx_desc_count = tx;
xgbe_restart_dev(pdata);
out:
return 0;
}
static void xgbe_get_channels(struct net_device *netdev,
struct ethtool_channels *channels)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
unsigned int rx, tx, combined;
rx = min(pdata->hw_feat.rx_ch_cnt, pdata->rx_max_channel_count);
rx = min(rx, pdata->channel_irq_count);
tx = min(pdata->hw_feat.tx_ch_cnt, pdata->tx_max_channel_count);
tx = min(tx, pdata->channel_irq_count);
tx = min(tx, pdata->tx_max_q_count);
combined = min(rx, tx);
channels->max_combined = combined;
channels->max_rx = rx ? rx - 1 : 0;
channels->max_tx = tx ? tx - 1 : 0;
rx = pdata->new_rx_ring_count ? : pdata->rx_ring_count;
tx = pdata->new_tx_ring_count ? : pdata->tx_ring_count;
combined = min(rx, tx);
rx -= combined;
tx -= combined;
channels->combined_count = combined;
channels->rx_count = rx;
channels->tx_count = tx;
}
static void xgbe_print_set_channels_input(struct net_device *netdev,
struct ethtool_channels *channels)
{
netdev_err(netdev, "channel inputs: combined=%u, rx-only=%u, tx-only=%u\n",
channels->combined_count, channels->rx_count,
channels->tx_count);
}
static int xgbe_set_channels(struct net_device *netdev,
struct ethtool_channels *channels)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
unsigned int rx, rx_curr, tx, tx_curr, combined;
rx = min(pdata->hw_feat.rx_ch_cnt, pdata->rx_max_channel_count);
rx = min(rx, pdata->channel_irq_count);
tx = min(pdata->hw_feat.tx_ch_cnt, pdata->tx_max_channel_count);
tx = min(tx, pdata->tx_max_q_count);
tx = min(tx, pdata->channel_irq_count);
combined = min(rx, tx);
if (channels->other_count) {
netdev_err(netdev,
"other channel count must be zero\n");
return -EINVAL;
}
if (!channels->combined_count) {
netdev_err(netdev,
"at least one combined Rx/Tx channel is required\n");
xgbe_print_set_channels_input(netdev, channels);
return -EINVAL;
}
if (channels->combined_count > combined) {
netdev_err(netdev,
"combined channel count cannot exceed %u\n",
combined);
xgbe_print_set_channels_input(netdev, channels);
return -EINVAL;
}
if (channels->rx_count && channels->tx_count) {
netdev_err(netdev,
"cannot specify both Rx-only and Tx-only channels\n");
xgbe_print_set_channels_input(netdev, channels);
return -EINVAL;
}
if ((channels->combined_count + channels->rx_count) > rx) {
netdev_err(netdev,
"total Rx channels (%u) requested exceeds maximum available (%u)\n",
channels->combined_count + channels->rx_count, rx);
xgbe_print_set_channels_input(netdev, channels);
return -EINVAL;
}
if ((channels->combined_count + channels->tx_count) > tx) {
netdev_err(netdev,
"total Tx channels (%u) requested exceeds maximum available (%u)\n",
channels->combined_count + channels->tx_count, tx);
xgbe_print_set_channels_input(netdev, channels);
return -EINVAL;
}
rx = channels->combined_count + channels->rx_count;
tx = channels->combined_count + channels->tx_count;
rx_curr = pdata->new_rx_ring_count ? : pdata->rx_ring_count;
tx_curr = pdata->new_tx_ring_count ? : pdata->tx_ring_count;
if ((rx == rx_curr) && (tx == tx_curr))
goto out;
pdata->new_rx_ring_count = rx;
pdata->new_tx_ring_count = tx;
xgbe_full_restart_dev(pdata);
out:
return 0;
}
static const struct ethtool_ops xgbe_ethtool_ops = {
.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
ETHTOOL_COALESCE_MAX_FRAMES,
.get_drvinfo = xgbe_get_drvinfo,
.get_msglevel = xgbe_get_msglevel,
.set_msglevel = xgbe_set_msglevel,
.get_link = ethtool_op_get_link,
.get_coalesce = xgbe_get_coalesce,
.set_coalesce = xgbe_set_coalesce,
.get_pauseparam = xgbe_get_pauseparam,
.set_pauseparam = xgbe_set_pauseparam,
.get_strings = xgbe_get_strings,
.get_ethtool_stats = xgbe_get_ethtool_stats,
.get_sset_count = xgbe_get_sset_count,
.get_rx_ring_count = xgbe_get_rx_ring_count,
.get_rxfh_key_size = xgbe_get_rxfh_key_size,
.get_rxfh_indir_size = xgbe_get_rxfh_indir_size,
.get_rxfh = xgbe_get_rxfh,
.set_rxfh = xgbe_set_rxfh,
.get_ts_info = xgbe_get_ts_info,
.get_link_ksettings = xgbe_get_link_ksettings,
.set_link_ksettings = xgbe_set_link_ksettings,
.get_module_info = xgbe_get_module_info,
.get_module_eeprom = xgbe_get_module_eeprom,
.get_ringparam = xgbe_get_ringparam,
.set_ringparam = xgbe_set_ringparam,
.get_channels = xgbe_get_channels,
.set_channels = xgbe_set_channels,
.self_test = xgbe_selftest_run,
};
const struct ethtool_ops *xgbe_get_ethtool_ops(void)
{
return &xgbe_ethtool_ops;
}
