diff options
| author | Igor Russkikh <igor.russkikh@aquantia.com> | 2018-07-02 17:03:37 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-07-03 23:23:48 +0900 |
| commit | 288551de45aa39a751bc03e7976919aa896c5093 (patch) | |
| tree | 9e259a475f980ce2661e9d1f9a7be57ad84c130f /drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c | |
| parent | 44e00dd8eb94b894b7f60009c251acf24b8bbaf1 (diff) | |
net: aquantia: Implement rx/tx flow control ethtools callback
Runtime change of pause frame configuration (rx/tx flow control)
via ethtool.
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c index 06242154a002..37f8460647ac 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c @@ -285,6 +285,46 @@ static int aq_ethtool_set_coalesce(struct net_device *ndev, return aq_nic_update_interrupt_moderation_settings(aq_nic); } +static void aq_ethtool_get_pauseparam(struct net_device *ndev, + struct ethtool_pauseparam *pause) +{ + struct aq_nic_s *aq_nic = netdev_priv(ndev); + + pause->autoneg = 0; + + if (aq_nic->aq_hw->aq_nic_cfg->flow_control & AQ_NIC_FC_RX) + pause->rx_pause = 1; + if (aq_nic->aq_hw->aq_nic_cfg->flow_control & AQ_NIC_FC_TX) + pause->tx_pause = 1; +} + +static int aq_ethtool_set_pauseparam(struct net_device *ndev, + struct ethtool_pauseparam *pause) +{ + struct aq_nic_s *aq_nic = netdev_priv(ndev); + int err = 0; + + if (!aq_nic->aq_fw_ops->set_flow_control) + return -EOPNOTSUPP; + + if (pause->autoneg == AUTONEG_ENABLE) + return -EOPNOTSUPP; + + if (pause->rx_pause) + aq_nic->aq_hw->aq_nic_cfg->flow_control |= AQ_NIC_FC_RX; + else + aq_nic->aq_hw->aq_nic_cfg->flow_control &= ~AQ_NIC_FC_RX; + + if (pause->tx_pause) + aq_nic->aq_hw->aq_nic_cfg->flow_control |= AQ_NIC_FC_TX; + else + aq_nic->aq_hw->aq_nic_cfg->flow_control &= ~AQ_NIC_FC_TX; + + err = aq_nic->aq_fw_ops->set_flow_control(aq_nic->aq_hw); + + return err; +} + static void aq_get_ringparam(struct net_device *ndev, struct ethtool_ringparam *ring) { @@ -352,6 +392,8 @@ const struct ethtool_ops aq_ethtool_ops = { .get_rxfh_indir_size = aq_ethtool_get_rss_indir_size, .get_ringparam = aq_get_ringparam, .set_ringparam = aq_set_ringparam, + .get_pauseparam = aq_ethtool_get_pauseparam, + .set_pauseparam = aq_ethtool_set_pauseparam, .get_rxfh_key_size = aq_ethtool_get_rss_key_size, .get_rxfh = aq_ethtool_get_rss, .get_rxnfc = aq_ethtool_get_rxnfc, |