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net: skb->rtable accessor

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Define skb_rtable(const struct sk_buff *skb) accessor to get rtable from skb

Delete skb->rtable field

Setting rtable is not allowed, just set dst instead as rtable is an alias.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2009-06-02 05:14:27 +00:00
committed by David S. Miller
parent dfbf97f3ac
commit 511c3f92ad
23 changed files with 89 additions and 73 deletions
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6
net/ipv4/ipmr.c
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@@ -1354,7 +1354,7 @@ static int ip_mr_forward(struct sk_buff *skb, struct mfc_cache *cache, int local
if (net->ipv4.vif_table[vif].dev != skb->dev) {
int true_vifi;
if (skb->rtable->fl.iif == 0) {
if (skb_rtable(skb)->fl.iif == 0) {
/* It is our own packet, looped back.
Very complicated situation...
@@ -1430,7 +1430,7 @@ int ip_mr_input(struct sk_buff *skb)
{
struct mfc_cache *cache;
struct net *net = dev_net(skb->dev);
int local = skb->rtable->rt_flags&RTCF_LOCAL;
int local = skb_rtable(skb)->rt_flags & RTCF_LOCAL;
/* Packet is looped back after forward, it should not be
forwarded second time, but still can be delivered locally.
@@ -1646,7 +1646,7 @@ int ipmr_get_route(struct net *net,
{
int err;
struct mfc_cache *cache;
struct rtable *rt = skb->rtable;
struct rtable *rt = skb_rtable(skb);
read_lock(&mrt_lock);
cache = ipmr_cache_find(net, rt->rt_src, rt->rt_dst);