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vxlan: expose gso partial features for tunnel offload

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Similar to the previous patch, reuse the same helpers to add tunnel GSO
partial capabilities to vxlan devices.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Link: https://patch.msgid.link/93d916c11b3a790a8bfccad77d9e85ee6e533042.1769011015.git.pabeni@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Paolo Abeni 2026-01-21 17:11:29 +01:00 committed by Jakub Kicinski
parent 0c09e89f6c
commit e0b73b5a92
1 changed files with 14 additions and 4 deletions
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18
drivers/net/vxlan/vxlan_core.c
View File

@ -2183,11 +2183,12 @@ static int vxlan_build_skb(struct sk_buff *skb, struct dst_entry *dst,
struct vxlan_metadata *md, u32 vxflags,
bool udp_sum)
{
struct vxlanhdr *vxh;
int min_headroom;
int err;
int type = udp_sum ? SKB_GSO_UDP_TUNNEL_CSUM : SKB_GSO_UDP_TUNNEL;
__be16 inner_protocol = htons(ETH_P_TEB);
struct vxlanhdr *vxh;
bool double_encap;
int min_headroom;
int err;
if ((vxflags & VXLAN_F_REMCSUM_TX) &&
skb->ip_summed == CHECKSUM_PARTIAL) {
@ -2208,6 +2209,7 @@ static int vxlan_build_skb(struct sk_buff *skb, struct dst_entry *dst,
if (unlikely(err))
return err;
double_encap = udp_tunnel_handle_partial(skb);
err = iptunnel_handle_offloads(skb, type);
if (err)
return err;
@ -2238,7 +2240,7 @@ static int vxlan_build_skb(struct sk_buff *skb, struct dst_entry *dst,
inner_protocol = skb->protocol;
}
skb_set_inner_protocol(skb, inner_protocol);
udp_tunnel_set_inner_protocol(skb, double_encap, inner_protocol);
return 0;
}
@ -3348,10 +3350,18 @@ static void vxlan_setup(struct net_device *dev)
dev->features |= NETIF_F_RXCSUM;
dev->features |= NETIF_F_GSO_SOFTWARE;
/* Partial features are disabled by default. */
dev->vlan_features = dev->features;
dev->hw_features |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_FRAGLIST;
dev->hw_features |= NETIF_F_RXCSUM;
dev->hw_features |= NETIF_F_GSO_SOFTWARE;
dev->hw_features |= UDP_TUNNEL_PARTIAL_FEATURES;
dev->hw_features |= NETIF_F_GSO_PARTIAL;
dev->hw_enc_features = dev->hw_features;
dev->gso_partial_features = UDP_TUNNEL_PARTIAL_FEATURES;
dev->mangleid_features = NETIF_F_GSO_PARTIAL;
netif_keep_dst(dev);
dev->priv_flags |= IFF_NO_QUEUE;
dev->change_proto_down = true;