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qed: Add support for vf coalesce configuration.

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This patch add the ethtool support to set RX/Tx coalesce
value to the VF associated Rx/Tx queues.

Signed-off-by: Rahul Verma <Rahul.Verma@cavium.com>
Signed-off-by: Yuval Mintz <yuval.mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rahul Verma
2017-07-26 06:07:13 -07:00
committad av David S. Miller
förälder c3dc48f786
incheckning 477f2d1460
9 ändrade filer med 251 tillägg och 87 borttagningar
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38
drivers/net/ethernet/qlogic/qede/qede_ethtool.c
Visa fil

@@ -718,8 +718,9 @@ static int qede_set_coalesce(struct net_device *dev,
struct ethtool_coalesce *coal)
{
struct qede_dev *edev = netdev_priv(dev);
struct qede_fastpath *fp;
int i, rc = 0;
u16 rxc, txc, sb_id;
u16 rxc, txc;
if (!netif_running(dev)) {
DP_INFO(edev, "Interface is down\n");
@@ -730,21 +731,36 @@ static int qede_set_coalesce(struct net_device *dev,
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);
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_queue(i) {
sb_id = edev->fp_array[i].sb_info->igu_sb_id;
rc = edev->ops->common->set_coalesce(edev->cdev, rxc, txc,
(u16)i, sb_id);
if (rc) {
DP_INFO(edev, "Set coalesce error, rc = %d\n", rc);
return rc;
fp = &edev->fp_array[i];
if (edev->fp_array[i].type & QEDE_FASTPATH_RX) {
rc = edev->ops->common->set_coalesce(edev->cdev,
rxc, 0,
fp->rxq->handle);
if (rc) {
DP_INFO(edev,
"Set RX coalesce error, rc = %d\n", rc);
return rc;
}
}
if (edev->fp_array[i].type & QEDE_FASTPATH_TX) {
rc = edev->ops->common->set_coalesce(edev->cdev,
0, txc,
fp->txq->handle);
if (rc) {
DP_INFO(edev,
"Set TX coalesce error, rc = %d\n", rc);
return rc;
}
}
}
@@ -1758,6 +1774,8 @@ static const struct ethtool_ops qede_vf_ethtool_ops = {
.get_msglevel = qede_get_msglevel,
.set_msglevel = qede_set_msglevel,
.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_strings = qede_get_strings,