diff options
| author | David S. Miller <davem@davemloft.net> | 2011-05-03 19:42:43 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-05-03 19:42:43 -0700 |
| commit | 417da66fa9d2f14b1a90b04095413b87907d8183 (patch) | |
| tree | a116f41ccc3d0d0341efdfc8c0c35eac7cddcf27 /net/ipv4/ipmr.c | |
| parent | 57a503c61db077b923e23f36050c02166a4a1db2 (diff) | |
ipv4: Rework ipmr_rt_fib_lookup() flow key initialization.
Use information from the skb as much as possible, currently
this means daddr, saddr, and TOS.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ipmr.c')
| -rw-r--r-- | net/ipv4/ipmr.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index c81b9b661d2..3ad38a44958 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -1788,12 +1788,14 @@ dont_forward: return 0; } -static struct mr_table *ipmr_rt_fib_lookup(struct net *net, struct rtable *rt) +static struct mr_table *ipmr_rt_fib_lookup(struct net *net, struct sk_buff *skb) { + struct rtable *rt = skb_rtable(skb); + struct iphdr *iph = ip_hdr(skb); struct flowi4 fl4 = { - .daddr = rt->rt_key_dst, - .saddr = rt->rt_key_src, - .flowi4_tos = rt->rt_tos, + .daddr = iph->daddr, + .saddr = iph->saddr, + .flowi4_tos = iph->tos, .flowi4_oif = rt->rt_oif, .flowi4_iif = rt->rt_iif, .flowi4_mark = rt->rt_mark, @@ -1825,7 +1827,7 @@ int ip_mr_input(struct sk_buff *skb) if (IPCB(skb)->flags & IPSKB_FORWARDED) goto dont_forward; - mrt = ipmr_rt_fib_lookup(net, skb_rtable(skb)); + mrt = ipmr_rt_fib_lookup(net, skb); if (IS_ERR(mrt)) { kfree_skb(skb); return PTR_ERR(mrt); @@ -1957,7 +1959,7 @@ int pim_rcv_v1(struct sk_buff *skb) pim = igmp_hdr(skb); - mrt = ipmr_rt_fib_lookup(net, skb_rtable(skb)); + mrt = ipmr_rt_fib_lookup(net, skb); if (IS_ERR(mrt)) goto drop; if (!mrt->mroute_do_pim || @@ -1989,7 +1991,7 @@ static int pim_rcv(struct sk_buff *skb) csum_fold(skb_checksum(skb, 0, skb->len, 0)))) goto drop; - mrt = ipmr_rt_fib_lookup(net, skb_rtable(skb)); + mrt = ipmr_rt_fib_lookup(net, skb); if (IS_ERR(mrt)) goto drop; if (__pim_rcv(mrt, skb, sizeof(*pim))) { |