[PATCH net-next] net: vlan: pass thru all GSO_SOFTWARE in hw_enc_features
From: Jakub Kicinski <kuba@kernel.org>
Date: 2021-06-18 04:58:16
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Currently UDP tunnel devices on top of VLANs lose the ability to offload UDP GSO. Widen the pass thru features from TSO to all GSO_SOFTWARE. Signed-off-by: Jakub Kicinski <kuba@kernel.org> --- net/8021q/vlan.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h
index fa3ad3d4d58c..edb6acde6b6f 100644
--- a/net/8021q/vlan.h
+++ b/net/8021q/vlan.h@@ -108,7 +108,8 @@ static inline netdev_features_t vlan_tnl_features(struct net_device *real_dev) netdev_features_t ret; ret = real_dev->hw_enc_features & - (NETIF_F_CSUM_MASK | NETIF_F_ALL_TSO | NETIF_F_GSO_ENCAP_ALL); + (NETIF_F_CSUM_MASK | NETIF_F_GSO_SOFTWARE | + NETIF_F_GSO_ENCAP_ALL); if ((ret & NETIF_F_GSO_ENCAP_ALL) && (ret & NETIF_F_CSUM_MASK)) return (ret & ~NETIF_F_CSUM_MASK) | NETIF_F_HW_CSUM;
--
2.31.1