diff options
| author |   Alexey Dobriyan <adobriyan@gmail.com> | 2008-10-28 13:24:06 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2008-10-28 13:24:06 -0700 |
| commit | def8b4faff5ca349beafbbfeb2c51f3602a6ef3a (patch) | |
| tree | a90fbb0b6ae2a49c507465801f31df77bc5ebf9d /net | |
| parent | netlink: constify struct nlattr * arg to parsing functions (diff) | |
| download | linux-dev-def8b4faff5ca349beafbbfeb2c51f3602a6ef3a.tar.xz linux-dev-def8b4faff5ca349beafbbfeb2c51f3602a6ef3a.zip | |
net: reduce structures when XFRM=n
ifdef out
* struct sk_buff::sp (pointer)
* struct dst_entry::xfrm (pointer)
* struct sock::sk_policy (2 pointers)
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/skbuff.c | 2 | ||||
| -rw-r--r-- | net/ipv4/icmp.c | 3 | ||||
| -rw-r--r-- | net/ipv4/ip_forward.c | 2 | ||||
| -rw-r--r-- | net/ipv4/route.c | 2 | ||||
| -rw-r--r-- | net/ipv6/icmp.c | 3 | ||||
| -rw-r--r-- | net/ipv6/ip6_output.c | 2 |
6 files changed, 9 insertions, 5 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 4e22e3a35359..cdfe473181af 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -489,7 +489,7 @@ static void __copy_skb_header(struct sk_buff *new, const struct sk_buff *old) new->network_header = old->network_header; new->mac_header = old->mac_header; new->dst = dst_clone(old->dst); -#ifdef CONFIG_INET +#ifdef CONFIG_XFRM new->sp = secpath_get(old->sp); #endif memcpy(new->cb, old->cb, sizeof(old->cb)); diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index 72b2de76f1cd..e9d6ea0b49ca 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -976,9 +976,10 @@ int icmp_rcv(struct sk_buff *skb) struct net *net = dev_net(rt->u.dst.dev); if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb)) { + struct sec_path *sp = skb_sec_path(skb); int nh; - if (!(skb->sp && skb->sp->xvec[skb->sp->len - 1]->props.flags & + if (!(sp && sp->xvec[sp->len - 1]->props.flags & XFRM_STATE_ICMP)) goto drop; diff --git a/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c index 450016b89a18..df3fe50bbf0d 100644 --- a/net/ipv4/ip_forward.c +++ b/net/ipv4/ip_forward.c @@ -106,7 +106,7 @@ int ip_forward(struct sk_buff *skb) * We now generate an ICMP HOST REDIRECT giving the route * we calculated. */ - if (rt->rt_flags&RTCF_DOREDIRECT && !opt->srr && !skb->sp) + if (rt->rt_flags&RTCF_DOREDIRECT && !opt->srr && !skb_sec_path(skb)) ip_rt_send_redirect(skb); skb->priority = rt_tos2priority(iph->tos); diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 21ce7e1b2284..ffb2c5705432 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1399,7 +1399,9 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw, rt->u.dst.path = &rt->u.dst; rt->u.dst.neighbour = NULL; rt->u.dst.hh = NULL; +#ifdef CONFIG_XFRM rt->u.dst.xfrm = NULL; +#endif rt->rt_genid = rt_genid(net); rt->rt_flags |= RTCF_REDIRECTED; diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index 9b7d19ae5ced..508a713ac045 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -646,9 +646,10 @@ static int icmpv6_rcv(struct sk_buff *skb) int type; if (!xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) { + struct sec_path *sp = skb_sec_path(skb); int nh; - if (!(skb->sp && skb->sp->xvec[skb->sp->len - 1]->props.flags & + if (!(sp && sp->xvec[sp->len - 1]->props.flags & XFRM_STATE_ICMP)) goto drop_no_count; diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index c77db0b95e26..7d92fd97cfb9 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -490,7 +490,7 @@ int ip6_forward(struct sk_buff *skb) We don't send redirects to frames decapsulated from IPsec. */ if (skb->dev == dst->dev && dst->neighbour && opt->srcrt == 0 && - !skb->sp) { + !skb_sec_path(skb)) { struct in6_addr *target = NULL; struct rt6_info *rt; struct neighbour *n = dst->neighbour; |