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authorAlexey Dobriyan <adobriyan@gmail.com>2008-10-28 21:24:06 +0100
committerDavid S. Miller <davem@davemloft.net>2008-10-28 21:24:06 +0100
commitdef8b4faff5ca349beafbbfeb2c51f3602a6ef3a (patch)
treea90fbb0b6ae2a49c507465801f31df77bc5ebf9d /net/ipv4
parentnetlink: constify struct nlattr * arg to parsing functions (diff)
downloadlinux-def8b4faff5ca349beafbbfeb2c51f3602a6ef3a.tar.xz
linux-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/ipv4')
-rw-r--r--net/ipv4/icmp.c3
-rw-r--r--net/ipv4/ip_forward.c2
-rw-r--r--net/ipv4/route.c2
3 files changed, 5 insertions, 2 deletions
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;