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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>
This commit is contained in:
Sudarsana Reddy Kalluru 2016-06-21 09:36:22 -04:00 committed by David S. Miller
parent 722003ac40
commit d552fa84cb
1 changed files with 53 additions and 0 deletions
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53
drivers/net/ethernet/qlogic/qede/qede_ethtool.c
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@ -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,