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authorAlexander Lobakin <alobakin@pm.me>2021-01-22 18:19:48 +0000
committerJakub Kicinski <kuba@kernel.org>2021-01-23 20:16:24 -0800
commit6f1c0ea133a6e4a193a7b285efe209664caeea43 (patch)
tree72facc15a7d242f7c747a3c687226334171bb0f2 /include/linux/netdev_features.h
parent692347a93178a3635da13f41e29d40e3ee1b1808 (diff)
net: introduce a netdev feature for UDP GRO forwarding
Introduce a new netdev feature, NETIF_F_GRO_UDP_FWD, to allow user to turn UDP GRO on and off for forwarding. Defaults to off to not change current datapath. Suggested-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Alexander Lobakin <alobakin@pm.me> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux/netdev_features.h')
-rw-r--r--include/linux/netdev_features.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h
index 934de56644e7..c06d6aaba9df 100644
--- a/include/linux/netdev_features.h
+++ b/include/linux/netdev_features.h
@@ -84,6 +84,7 @@ enum {
NETIF_F_GRO_FRAGLIST_BIT, /* Fraglist GRO */
NETIF_F_HW_MACSEC_BIT, /* Offload MACsec operations */
+ NETIF_F_GRO_UDP_FWD_BIT, /* Allow UDP GRO for forwarding */
/*
* Add your fresh new feature above and remember to update
@@ -157,6 +158,7 @@ enum {
#define NETIF_F_GRO_FRAGLIST __NETIF_F(GRO_FRAGLIST)
#define NETIF_F_GSO_FRAGLIST __NETIF_F(GSO_FRAGLIST)
#define NETIF_F_HW_MACSEC __NETIF_F(HW_MACSEC)
+#define NETIF_F_GRO_UDP_FWD __NETIF_F(GRO_UDP_FWD)
/* Finds the next feature with the highest number of the range of start till 0.
*/
@@ -234,7 +236,7 @@ static inline int find_next_netdev_feature(u64 feature, unsigned long start)
#define NETIF_F_SOFT_FEATURES (NETIF_F_GSO | NETIF_F_GRO)
/* Changeable features with no special hardware requirements that defaults to off. */
-#define NETIF_F_SOFT_FEATURES_OFF NETIF_F_GRO_FRAGLIST
+#define NETIF_F_SOFT_FEATURES_OFF (NETIF_F_GRO_FRAGLIST | NETIF_F_GRO_UDP_FWD)
#define NETIF_F_VLAN_FEATURES (NETIF_F_HW_VLAN_CTAG_FILTER | \
NETIF_F_HW_VLAN_CTAG_RX | \