diff options
Diffstat (limited to 'net/ipv6/ah6.c')
| -rw-r--r-- | net/ipv6/ah6.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c index 7e6139508ee7..384233188ac1 100644 --- a/net/ipv6/ah6.c +++ b/net/ipv6/ah6.c @@ -44,7 +44,7 @@ #define IPV6HDR_BASELEN 8 struct tmp_ext { -#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE) +#if IS_ENABLED(CONFIG_IPV6_MIP6) struct in6_addr saddr; #endif struct in6_addr daddr; @@ -152,7 +152,7 @@ bad: return false; } -#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE) +#if IS_ENABLED(CONFIG_IPV6_MIP6) /** * ipv6_rearrange_destopt - rearrange IPv6 destination options header * @iph: IPv6 header @@ -320,7 +320,7 @@ static void ah6_output_done(struct crypto_async_request *base, int err) memcpy(top_iph, iph_base, IPV6HDR_BASELEN); if (extlen) { -#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE) +#if IS_ENABLED(CONFIG_IPV6_MIP6) memcpy(&top_iph->saddr, iph_ext, extlen); #else memcpy(&top_iph->daddr, iph_ext, extlen); @@ -385,7 +385,7 @@ static int ah6_output(struct xfrm_state *x, struct sk_buff *skb) memcpy(iph_base, top_iph, IPV6HDR_BASELEN); if (extlen) { -#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE) +#if IS_ENABLED(CONFIG_IPV6_MIP6) memcpy(iph_ext, &top_iph->saddr, extlen); #else memcpy(iph_ext, &top_iph->daddr, extlen); @@ -434,7 +434,7 @@ static int ah6_output(struct xfrm_state *x, struct sk_buff *skb) memcpy(top_iph, iph_base, IPV6HDR_BASELEN); if (extlen) { -#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE) +#if IS_ENABLED(CONFIG_IPV6_MIP6) memcpy(&top_iph->saddr, iph_ext, extlen); #else memcpy(&top_iph->daddr, iph_ext, extlen); @@ -472,7 +472,10 @@ static void ah6_input_done(struct crypto_async_request *base, int err) skb->network_header += ah_hlen; memcpy(skb_network_header(skb), work_iph, hdr_len); __skb_pull(skb, ah_hlen + hdr_len); - skb_set_transport_header(skb, -hdr_len); + if (x->props.mode == XFRM_MODE_TUNNEL) + skb_reset_transport_header(skb); + else + skb_set_transport_header(skb, -hdr_len); out: kfree(AH_SKB_CB(skb)->tmp); xfrm_input_resume(skb, err); @@ -593,9 +596,13 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb) skb->network_header += ah_hlen; memcpy(skb_network_header(skb), work_iph, hdr_len); - skb->transport_header = skb->network_header; __skb_pull(skb, ah_hlen + hdr_len); + if (x->props.mode == XFRM_MODE_TUNNEL) + skb_reset_transport_header(skb); + else + skb_set_transport_header(skb, -hdr_len); + err = nexthdr; out_free: |