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| author |   Herbert Xu <herbert@gondor.apana.org.au> | 2007-11-13 21:33:32 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2008-01-28 14:53:37 -0800 |
| commit | b4ce92775c2e7ff9cf79cca4e0a19c8c5fd6287b (patch) | |
| tree | c057ff62b03582493b74005f7959a0207e748468 /net | |
| parent | [IPSEC]: Use dst->header_len when resizing on output (diff) | |
| download | linux-dev-b4ce92775c2e7ff9cf79cca4e0a19c8c5fd6287b.tar.xz linux-dev-b4ce92775c2e7ff9cf79cca4e0a19c8c5fd6287b.zip | |
[IPV6]: Move nfheader_len into rt6_info
The dst member nfheader_len is only used by IPv6. It's also currently
creating a rather ugly alignment hole in struct dst. Therefore this patch
moves it from there into struct rt6_info.
It also reorders the fields in rt6_info to minimize holes.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/xfrm4_policy.c | 1 | ||||
| -rw-r--r-- | net/ipv6/ip6_output.c | 5 | ||||
| -rw-r--r-- | net/ipv6/xfrm6_policy.c | 3 |
3 files changed, 5 insertions, 4 deletions
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c index cc86fb110dd8..5ee3a2f9fb27 100644 --- a/net/ipv4/xfrm4_policy.c +++ b/net/ipv4/xfrm4_policy.c @@ -161,7 +161,6 @@ __xfrm4_bundle_create(struct xfrm_policy *policy, struct xfrm_state **xfrm, int dst_prev->flags |= DST_HOST; dst_prev->lastuse = jiffies; dst_prev->header_len = header_len; - dst_prev->nfheader_len = 0; dst_prev->trailer_len = trailer_len; memcpy(&dst_prev->metrics, &x->route->metrics, sizeof(dst_prev->metrics)); diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 150615758fdc..387030d2483c 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1099,7 +1099,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to, sk->sk_sndmsg_page = NULL; sk->sk_sndmsg_off = 0; exthdrlen = rt->u.dst.header_len + (opt ? opt->opt_flen : 0) - - rt->u.dst.nfheader_len; + rt->nfheader_len; length += exthdrlen; transhdrlen += exthdrlen; } else { @@ -1114,7 +1114,8 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to, hh_len = LL_RESERVED_SPACE(rt->u.dst.dev); - fragheaderlen = sizeof(struct ipv6hdr) + rt->u.dst.nfheader_len + (opt ? opt->opt_nflen : 0); + fragheaderlen = sizeof(struct ipv6hdr) + rt->nfheader_len + + (opt ? opt->opt_nflen : 0); maxfraglen = ((mtu - fragheaderlen) & ~7) + fragheaderlen - sizeof(struct frag_hdr); if (mtu <= sizeof(struct ipv6hdr) + IPV6_MAXPLEN) { diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c index 3cad3e8dc4da..5b02f0efd38e 100644 --- a/net/ipv6/xfrm6_policy.c +++ b/net/ipv6/xfrm6_policy.c @@ -157,7 +157,8 @@ __xfrm6_bundle_create(struct xfrm_policy *policy, struct xfrm_state **xfrm, int dst_prev = dst1; if (xfrm[i]->type->flags & XFRM_TYPE_NON_FRAGMENT) - dst->nfheader_len += xfrm[i]->props.header_len; + ((struct rt6_info *)dst)->nfheader_len += + xfrm[i]->props.header_len; header_len += xfrm[i]->props.header_len; trailer_len += xfrm[i]->props.trailer_len; |