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authorMichael Chan <michael.chan@broadcom.com>2017-12-16 03:09:44 -0500
committerDavid S. Miller <davem@davemloft.net>2017-12-19 10:38:37 -0500
commit18c602dee47268248c95bc0032006e2633e480b7 (patch)
tree29a8edf358b59177ad89caf1206505dfede24f3f /drivers/net/ethernet/qlogic/qede/qede_filter.c
parentbnx2x: Use NETIF_F_GRO_HW. (diff)
downloadlinux-dev-18c602dee47268248c95bc0032006e2633e480b7.tar.xz
linux-dev-18c602dee47268248c95bc0032006e2633e480b7.zip
qede: Use NETIF_F_GRO_HW.
Advertise NETIF_F_GRO_HW and set edev->gro_disable according to the feature flag. Add qede_fix_features() to drop NETIF_F_GRO_HW if XDP is running or MTU does not support GRO_HW or GRO is not set. qede_change_mtu() also checks and disables GRO_HW if MTU is not supported. Cc: Ariel Elior <Ariel.Elior@cavium.com> Cc: everest-linux-l2@cavium.com Acked-by: Manish Chopra <manish.chopra@cavium.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Acked-by: Manish Chopra <manish.chopra@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qede/qede_filter.c')
-rw-r--r--drivers/net/ethernet/qlogic/qede/qede_filter.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/drivers/net/ethernet/qlogic/qede/qede_filter.c b/drivers/net/ethernet/qlogic/qede/qede_filter.c
index c1a0708a7d7c..77aa826227e5 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_filter.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_filter.c
@@ -895,19 +895,26 @@ static void qede_set_features_reload(struct qede_dev *edev,
edev->ndev->features = args->u.features;
}
+netdev_features_t qede_fix_features(struct net_device *dev,
+ netdev_features_t features)
+{
+ struct qede_dev *edev = netdev_priv(dev);
+
+ if (edev->xdp_prog || edev->ndev->mtu > PAGE_SIZE ||
+ !(features & NETIF_F_GRO))
+ features &= ~NETIF_F_GRO_HW;
+
+ return features;
+}
+
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 (changes & NETIF_F_GRO_HW)
+ need_reload = true;
if (need_reload) {
struct qede_reload_args args;