diff options
| author |   David S. Miller <davem@davemloft.net> | 2011-05-13 17:29:41 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-05-13 17:29:41 -0400 |
| commit | 8e36360ae876995e92d3a7538dda70548e64e685 (patch) | |
| tree | d477e086bb35d2de8a6f54b461abeb24be8a4f5b /net/ipv4/route.c | |
| parent | ipv4: Always call ip_options_build() after rest of IP header is filled in. (diff) | |
| download | linux-dev-8e36360ae876995e92d3a7538dda70548e64e685.tar.xz linux-dev-8e36360ae876995e92d3a7538dda70548e64e685.zip | |
ipv4: Remove route key identity dependencies in ip_rt_get_source().
Pass in the sk_buff so that we can fetch the necessary keys from
the packet header when working with input routes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/route.c')
| -rw-r--r-- | net/ipv4/route.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 6a83840b16af..ad141d894e4e 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1699,22 +1699,26 @@ static int ip_rt_bug(struct sk_buff *skb) in IP options! */ -void ip_rt_get_source(u8 *addr, struct rtable *rt) +void ip_rt_get_source(u8 *addr, struct sk_buff *skb, struct rtable *rt) { __be32 src; - struct fib_result res; if (rt_is_output_route(rt)) src = rt->rt_src; else { - struct flowi4 fl4 = { - .daddr = rt->rt_key_dst, - .saddr = rt->rt_key_src, - .flowi4_tos = rt->rt_key_tos, - .flowi4_oif = rt->rt_oif, - .flowi4_iif = rt->rt_iif, - .flowi4_mark = rt->rt_mark, - }; + struct fib_result res; + struct flowi4 fl4; + struct iphdr *iph; + + iph = ip_hdr(skb); + + memset(&fl4, 0, sizeof(fl4)); + fl4.daddr = iph->daddr; + fl4.saddr = iph->saddr; + fl4.flowi4_tos = iph->tos; + fl4.flowi4_oif = rt->dst.dev->ifindex; + fl4.flowi4_iif = skb->dev->ifindex; + fl4.flowi4_mark = skb->mark; rcu_read_lock(); if (fib_lookup(dev_net(rt->dst.dev), &fl4, &res) == 0) |