diff options
| author |   Sudarsana Reddy Kalluru <sudarsana.kalluru@qlogic.com> | 2016-06-21 09:36:22 -0400 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-06-23 15:56:46 -0400 |
| commit | d552fa84cb3573eb86b6722329f5e72c3ed9029e (patch) | |
| tree | 3b7d0eb130dd14d13c6979a0810723f9a77f8908 /drivers/net/ethernet/qlogic | |
| parent | qed: Add support for coalescing config read/update. (diff) | |
| download | linux-dev-d552fa84cb3573eb86b6722329f5e72c3ed9029e.tar.xz linux-dev-d552fa84cb3573eb86b6722329f5e72c3ed9029e.zip | |
qede: Add support for coalescing config read/update.
Signed-off-by: Sudarsana Reddy Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qede/qede_ethtool.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c index 6836d44b6b89..6228482bf7f0 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c +++ b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c @@ -426,6 +426,57 @@ static u32 qede_get_link(struct net_device *dev) return current_link.link_up; } +static int qede_get_coalesce(struct net_device *dev, + struct ethtool_coalesce *coal) +{ + struct qede_dev *edev = netdev_priv(dev); + + memset(coal, 0, sizeof(struct ethtool_coalesce)); + edev->ops->common->get_coalesce(edev->cdev, + (u16 *)&coal->rx_coalesce_usecs, + (u16 *)&coal->tx_coalesce_usecs); + + return 0; +} + +static int qede_set_coalesce(struct net_device *dev, + struct ethtool_coalesce *coal) +{ + struct qede_dev *edev = netdev_priv(dev); + int i, rc = 0; + u16 rxc, txc; + u8 sb_id; + + if (!netif_running(dev)) { + DP_INFO(edev, "Interface is down\n"); + return -EINVAL; + } + + if (coal->rx_coalesce_usecs > QED_COALESCE_MAX || + coal->tx_coalesce_usecs > QED_COALESCE_MAX) { + DP_INFO(edev, + "Can't support requested %s coalesce value [max supported value %d]\n", + coal->rx_coalesce_usecs > QED_COALESCE_MAX ? "rx" + : "tx", + QED_COALESCE_MAX); + return -EINVAL; + } + + rxc = (u16)coal->rx_coalesce_usecs; + txc = (u16)coal->tx_coalesce_usecs; + for_each_rss(i) { + sb_id = edev->fp_array[i].sb_info->igu_sb_id; + rc = edev->ops->common->set_coalesce(edev->cdev, rxc, txc, + (u8)i, sb_id); + if (rc) { + DP_INFO(edev, "Set coalesce error, rc = %d\n", rc); + return rc; + } + } + + return rc; +} + static void qede_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering) { @@ -1139,6 +1190,8 @@ static const struct ethtool_ops qede_ethtool_ops = { .set_msglevel = qede_set_msglevel, .nway_reset = qede_nway_reset, .get_link = qede_get_link, + .get_coalesce = qede_get_coalesce, + .set_coalesce = qede_set_coalesce, .get_ringparam = qede_get_ringparam, .set_ringparam = qede_set_ringparam, .get_pauseparam = qede_get_pauseparam, |