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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_ethtool.c
parentbnx2x: Use NETIF_F_GRO_HW. (diff)
downloadlinux-stable-18c602dee47268248c95bc0032006e2633e480b7.tar.xz
linux-stable-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_ethtool.c')
-rw-r--r--drivers/net/ethernet/qlogic/qede/qede_ethtool.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
index dae741270022..4ca3847fffd4 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
@@ -940,6 +940,9 @@ int qede_change_mtu(struct net_device *ndev, int new_mtu)
DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
"Configuring MTU size of %d\n", new_mtu);
+ if (new_mtu > PAGE_SIZE)
+ ndev->features &= ~NETIF_F_GRO_HW;
+
/* Set the mtu field and re-start the interface if needed */
args.u.mtu = new_mtu;
args.func = &qede_update_mtu;