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qede: Reload on GRO changes 

Since driver is using a FW-based GRO implementation, this has some
effects on its ability to cope with GRO enablement/disablement.
As a result, driver must perform an inner-reload as a result of a state
change in the offload configuration of said feature.

[Failure to do so means network stack would continue to receive
aggregated packets even though user requested the feature to be disabled].

Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yuval Mintz 2016-05-26 11:01:18 +03:00 committed by David S. Miller
parent be7b6d64c0
commit ce2b885cc5
1 changed files with 24 additions and 0 deletions
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24
drivers/net/ethernet/qlogic/qede/qede_main.c
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@ -2091,6 +2091,29 @@ static void qede_vlan_mark_nonconfigured(struct qede_dev *edev)
edev->accept_any_vlan = false;
}
int qede_set_features(struct net_device *dev, netdev_features_t features)
{
struct qede_dev *edev = netdev_priv(dev);
netdev_features_t changes = features ^ dev->features;
bool need_reload = false;
/* No action needed if hardware GRO is disabled during driver load */
if (changes & NETIF_F_GRO) {
if (dev->features & NETIF_F_GRO)
need_reload = !edev->gro_disable;
else
need_reload = edev->gro_disable;
}
if (need_reload && netif_running(edev->ndev)) {
dev->features = features;
qede_reload(edev, NULL, NULL);
return 1;
}
return 0;
}
#ifdef CONFIG_QEDE_VXLAN
static void qede_add_vxlan_port(struct net_device *dev,
sa_family_t sa_family, __be16 port)
@ -2175,6 +2198,7 @@ static const struct net_device_ops qede_netdev_ops = {
#endif
.ndo_vlan_rx_add_vid = qede_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = qede_vlan_rx_kill_vid,
.ndo_set_features = qede_set_features,
.ndo_get_stats64 = qede_get_stats64,
#ifdef CONFIG_QED_SRIOV
.ndo_set_vf_link_state = qede_set_vf_link_state,