diff options
author | Iyappan Subramanian | 2016-12-02 01:41:44 +0100 |
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committer | David S. Miller | 2016-12-03 21:46:50 +0100 |
commit | 0296fe4da6505bb9eb36f85f157b0219ef1e2e04 (patch) | |
tree | 187ea03e8fdb4fdc7def8bc25212479d0ed9c3dc /drivers/net/ethernet/apm | |
parent | drivers: net: xgene: Add flow control initialization (diff) | |
download | kernel-qcow2-linux-0296fe4da6505bb9eb36f85f157b0219ef1e2e04.tar.gz kernel-qcow2-linux-0296fe4da6505bb9eb36f85f157b0219ef1e2e04.tar.xz kernel-qcow2-linux-0296fe4da6505bb9eb36f85f157b0219ef1e2e04.zip |
drivers: net: xgene: ethtool: Add get/set_pauseparam
This patch adds get_pauseparam and set_pauseparam functions.
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Quan Nguyen <qnguyen@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/apm')
-rw-r--r-- | drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c b/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c index d372d4235c81..28fdedc30b74 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c @@ -163,6 +163,74 @@ static void xgene_get_ethtool_stats(struct net_device *ndev, *data++ = *(u64 *)(pdata + gstrings_stats[i].offset); } +static void xgene_get_pauseparam(struct net_device *ndev, + struct ethtool_pauseparam *pp) +{ + struct xgene_enet_pdata *pdata = netdev_priv(ndev); + + pp->autoneg = pdata->pause_autoneg; + pp->tx_pause = pdata->tx_pause; + pp->rx_pause = pdata->rx_pause; +} + +static int xgene_set_pauseparam(struct net_device *ndev, + struct ethtool_pauseparam *pp) +{ + struct xgene_enet_pdata *pdata = netdev_priv(ndev); + struct phy_device *phydev = ndev->phydev; + u32 oldadv, newadv; + + if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII || + pdata->phy_mode == PHY_INTERFACE_MODE_SGMII) { + if (!phydev) + return -EINVAL; + + if (!(phydev->supported & SUPPORTED_Pause) || + (!(phydev->supported & SUPPORTED_Asym_Pause) && + pp->rx_pause != pp->tx_pause)) + return -EINVAL; + + pdata->pause_autoneg = pp->autoneg; + pdata->tx_pause = pp->tx_pause; + pdata->rx_pause = pp->rx_pause; + + oldadv = phydev->advertising; + newadv = oldadv & ~(ADVERTISED_Pause | ADVERTISED_Asym_Pause); + + if (pp->rx_pause) + newadv |= ADVERTISED_Pause | ADVERTISED_Asym_Pause; + + if (pp->tx_pause) + newadv ^= ADVERTISED_Asym_Pause; + + if (oldadv ^ newadv) { + phydev->advertising = newadv; + + if (phydev->autoneg) + return phy_start_aneg(phydev); + + if (!pp->autoneg) { + pdata->mac_ops->flowctl_tx(pdata, + pdata->tx_pause); + pdata->mac_ops->flowctl_rx(pdata, + pdata->rx_pause); + } + } + + } else { + if (pp->autoneg) + return -EINVAL; + + pdata->tx_pause = pp->tx_pause; + pdata->rx_pause = pp->rx_pause; + + pdata->mac_ops->flowctl_tx(pdata, pdata->tx_pause); + pdata->mac_ops->flowctl_rx(pdata, pdata->rx_pause); + } + + return 0; +} + static const struct ethtool_ops xgene_ethtool_ops = { .get_drvinfo = xgene_get_drvinfo, .get_link = ethtool_op_get_link, @@ -171,6 +239,8 @@ static const struct ethtool_ops xgene_ethtool_ops = { .get_ethtool_stats = xgene_get_ethtool_stats, .get_link_ksettings = xgene_get_link_ksettings, .set_link_ksettings = xgene_set_link_ksettings, + .get_pauseparam = xgene_get_pauseparam, + .set_pauseparam = xgene_set_pauseparam }; void xgene_enet_set_ethtool_ops(struct net_device *ndev) |