diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2022-01-09 16:59:30 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-01-09 17:00:17 -0800 |
| commit | 8aaaf2f3af2ae212428f4db1af34214225f5cec3 (patch) | |
| tree | 43c7f4f8af2fad7919f169b0924dba5e43147d97 /net/xfrm/xfrm_output.c | |
| parent | 208dd45d8d050360b46ded439a057bcc7cbf3b09 (diff) | |
| parent | dd3ca4c5184ea98e40acb8eb293d85b88ea04ee2 (diff) | |
| download | linux-8aaaf2f3af2ae212428f4db1af34214225f5cec3.tar.gz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Merge in fixes directly in prep for the 5.17 merge window. No conflicts. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/xfrm/xfrm_output.c')
| -rw-r--r-- | net/xfrm/xfrm_output.c | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c index 3585bfc302f9..d4935b3b9983 100644 --- a/net/xfrm/xfrm_output.c +++ b/net/xfrm/xfrm_output.c @@ -648,10 +648,12 @@ static int xfrm_output_gso(struct net *net, struct sock *sk, struct sk_buff *skb * This requires hardware to know the inner packet type to calculate * the inner header checksum. Save inner ip protocol here to avoid * traversing the packet in the vendor's xmit code. - * If the encap type is IPIP, just save skb->inner_ipproto. Otherwise, - * get the ip protocol from the IP header. + * For IPsec tunnel mode save the ip protocol from the IP header of the + * plain text packet. Otherwise If the encap type is IPIP, just save + * skb->inner_ipproto in any other case get the ip protocol from the IP + * header. */ -static void xfrm_get_inner_ipproto(struct sk_buff *skb) +static void xfrm_get_inner_ipproto(struct sk_buff *skb, struct xfrm_state *x) { struct xfrm_offload *xo = xfrm_offload(skb); const struct ethhdr *eth; @@ -659,6 +661,25 @@ static void xfrm_get_inner_ipproto(struct sk_buff *skb) if (!xo) return; + if (x->outer_mode.encap == XFRM_MODE_TUNNEL) { + switch (x->outer_mode.family) { + case AF_INET: + xo->inner_ipproto = ip_hdr(skb)->protocol; + break; + case AF_INET6: + xo->inner_ipproto = ipv6_hdr(skb)->nexthdr; + break; + default: + break; + } + + return; + } + + /* non-Tunnel Mode */ + if (!skb->encapsulation) + return; + if (skb->inner_protocol_type == ENCAP_TYPE_IPPROTO) { xo->inner_ipproto = skb->inner_ipproto; return; @@ -713,8 +734,7 @@ int xfrm_output(struct sock *sk, struct sk_buff *skb) sp->xvec[sp->len++] = x; xfrm_state_hold(x); - if (skb->encapsulation) - xfrm_get_inner_ipproto(skb); + xfrm_get_inner_ipproto(skb, x); skb->encapsulation = 1; if (skb_is_gso(skb)) { |