diff options
Diffstat (limited to 'drivers/net/ethernet/ti/icssg/icssg_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/ti/icssg/icssg_ethtool.c | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ti/icssg/icssg_ethtool.c b/drivers/net/ethernet/ti/icssg/icssg_ethtool.c index 9a7dd7efcf69..c8d0f45cc5b1 100644 --- a/drivers/net/ethernet/ti/icssg/icssg_ethtool.c +++ b/drivers/net/ethernet/ti/icssg/icssg_ethtool.c @@ -142,6 +142,9 @@ static int emac_set_channels(struct net_device *ndev, emac->tx_ch_num = ch->tx_count; + if (emac->is_sr1) + emac->tx_ch_num++; + return 0; } @@ -152,8 +155,17 @@ static void emac_get_channels(struct net_device *ndev, ch->max_rx = 1; ch->max_tx = PRUETH_MAX_TX_QUEUES; + + /* Disable multiple TX channels due to timeouts + * when using more than one queue */ + if (emac->is_sr1) + ch->max_tx = 1; + ch->rx_count = 1; ch->tx_count = emac->tx_ch_num; + + if (emac->is_sr1) + ch->tx_count--; } static const struct ethtool_rmon_hist_range emac_rmon_ranges[] = { @@ -189,6 +201,93 @@ static void emac_get_rmon_stats(struct net_device *ndev, rmon_stats->hist_tx[4] = emac_get_stat_by_name(emac, "tx_bucket5_frames"); } +static int emac_get_coalesce(struct net_device *ndev, + struct ethtool_coalesce *coal, + struct kernel_ethtool_coalesce *kernel_coal, + struct netlink_ext_ack *extack) +{ + struct prueth_emac *emac = netdev_priv(ndev); + struct prueth_tx_chn *tx_chn; + + tx_chn = &emac->tx_chns[0]; + + coal->rx_coalesce_usecs = emac->rx_pace_timeout_ns / 1000; + coal->tx_coalesce_usecs = tx_chn->tx_pace_timeout_ns / 1000; + + return 0; +} + +static int emac_get_per_queue_coalesce(struct net_device *ndev, u32 queue, + struct ethtool_coalesce *coal) +{ + struct prueth_emac *emac = netdev_priv(ndev); + struct prueth_tx_chn *tx_chn; + + if (queue >= PRUETH_MAX_TX_QUEUES) + return -EINVAL; + + tx_chn = &emac->tx_chns[queue]; + + coal->tx_coalesce_usecs = tx_chn->tx_pace_timeout_ns / 1000; + + return 0; +} + +static int emac_set_coalesce(struct net_device *ndev, + struct ethtool_coalesce *coal, + struct kernel_ethtool_coalesce *kernel_coal, + struct netlink_ext_ack *extack) +{ + struct prueth_emac *emac = netdev_priv(ndev); + struct prueth *prueth = emac->prueth; + struct prueth_tx_chn *tx_chn; + + tx_chn = &emac->tx_chns[0]; + + if (coal->rx_coalesce_usecs && + coal->rx_coalesce_usecs < ICSSG_MIN_COALESCE_USECS) { + dev_info(prueth->dev, "defaulting to min value of %dus for rx-usecs\n", + ICSSG_MIN_COALESCE_USECS); + coal->rx_coalesce_usecs = ICSSG_MIN_COALESCE_USECS; + } + + if (coal->tx_coalesce_usecs && + coal->tx_coalesce_usecs < ICSSG_MIN_COALESCE_USECS) { + dev_info(prueth->dev, "defaulting to min value of %dus for tx-usecs\n", + ICSSG_MIN_COALESCE_USECS); + coal->tx_coalesce_usecs = ICSSG_MIN_COALESCE_USECS; + } + + emac->rx_pace_timeout_ns = coal->rx_coalesce_usecs * 1000; + tx_chn->tx_pace_timeout_ns = coal->tx_coalesce_usecs * 1000; + + return 0; +} + +static int emac_set_per_queue_coalesce(struct net_device *ndev, u32 queue, + struct ethtool_coalesce *coal) +{ + struct prueth_emac *emac = netdev_priv(ndev); + struct prueth *prueth = emac->prueth; + struct prueth_tx_chn *tx_chn; + + if (queue >= PRUETH_MAX_TX_QUEUES) + return -EINVAL; + + tx_chn = &emac->tx_chns[queue]; + + if (coal->tx_coalesce_usecs && + coal->tx_coalesce_usecs < ICSSG_MIN_COALESCE_USECS) { + dev_info(prueth->dev, "defaulting to min value of %dus for tx-usecs for tx-%u\n", + ICSSG_MIN_COALESCE_USECS, queue); + coal->tx_coalesce_usecs = ICSSG_MIN_COALESCE_USECS; + } + + tx_chn->tx_pace_timeout_ns = coal->tx_coalesce_usecs * 1000; + + return 0; +} + const struct ethtool_ops icssg_ethtool_ops = { .get_drvinfo = emac_get_drvinfo, .get_msglevel = emac_get_msglevel, @@ -197,6 +296,12 @@ const struct ethtool_ops icssg_ethtool_ops = { .get_ethtool_stats = emac_get_ethtool_stats, .get_strings = emac_get_strings, .get_ts_info = emac_get_ts_info, + .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS | + ETHTOOL_COALESCE_TX_USECS, + .get_coalesce = emac_get_coalesce, + .set_coalesce = emac_set_coalesce, + .get_per_queue_coalesce = emac_get_per_queue_coalesce, + .set_per_queue_coalesce = emac_set_per_queue_coalesce, .get_channels = emac_get_channels, .set_channels = emac_set_channels, .get_link_ksettings = emac_get_link_ksettings, |