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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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10
net/ipv4/ip_output.c
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@@ -140,7 +140,7 @@ int ip_build_and_send_pkt(struct sk_buff *skb, struct sock *sk,
__be32 saddr, __be32 daddr, struct ip_options *opt)
{
struct inet_sock *inet = inet_sk(sk);
struct rtable *rt = skb->rtable;
struct rtable *rt = skb_rtable(skb);
struct iphdr *iph;
/* Build the IP header. */
@@ -238,7 +238,7 @@ static int ip_finish_output(struct sk_buff *skb)
int ip_mc_output(struct sk_buff *skb)
{
struct sock *sk = skb->sk;
struct rtable *rt = skb->rtable;
struct rtable *rt = skb_rtable(skb);
struct net_device *dev = rt->u.dst.dev;
/*
@@ -319,7 +319,7 @@ int ip_queue_xmit(struct sk_buff *skb, int ipfragok)
/* Skip all of this if the packet is already routed,
* f.e. by something like SCTP.
*/
rt = skb->rtable;
rt = skb_rtable(skb);
if (rt != NULL)
goto packet_routed;
@@ -440,7 +440,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
unsigned int mtu, hlen, left, len, ll_rs, pad;
int offset;
__be16 not_last_frag;
struct rtable *rt = skb->rtable;
struct rtable *rt = skb_rtable(skb);
int err = 0;
dev = rt->u.dst.dev;
@@ -1362,7 +1362,7 @@ void ip_send_reply(struct sock *sk, struct sk_buff *skb, struct ip_reply_arg *ar
} replyopts;
struct ipcm_cookie ipc;
__be32 daddr;
struct rtable *rt = skb->rtable;
struct rtable *rt = skb_rtable(skb);
if (ip_options_echo(&replyopts.opt, skb))
return;