diff options
| author | Eric Dumazet <dada1@cosmosbay.com> | 2008-03-05 18:30:47 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-03-05 18:30:47 -0800 |
| commit | ee6b967301b4aa5d4a4b61e2f682f086266db9fb (patch) | |
| tree | 197c2430f87733dc80d00d1971f1be2a0e562358 /net/ipv4/icmp.c | |
| parent | a05c44f6d5fb6cd29da04f96bf5ffaa05f545ac5 (diff) | |
| download | linux-ee6b967301b4aa5d4a4b61e2f682f086266db9fb.tar.bz2 | |
[IPV4]: Add 'rtable' field in struct sk_buff to alias 'dst' and avoid casts
(Anonymous) unions can help us to avoid ugly casts.
A common cast it the (struct rtable *)skb->dst one.
Defining an union like :
union {
struct dst_entry *dst;
struct rtable *rtable;
};
permits to use skb->rtable in place.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/icmp.c')
| -rw-r--r-- | net/ipv4/icmp.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index cee77d606fbe..ff9a8e643fcc 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -381,7 +381,7 @@ static void icmp_push_reply(struct icmp_bxm *icmp_param, static void icmp_reply(struct icmp_bxm *icmp_param, struct sk_buff *skb) { struct ipcm_cookie ipc; - struct rtable *rt = (struct rtable *)skb->dst; + struct rtable *rt = skb->rtable; struct net *net = rt->u.dst.dev->nd_net; struct sock *sk = icmp_sk(net); struct inet_sock *inet = inet_sk(sk); @@ -438,7 +438,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info) struct iphdr *iph; int room; struct icmp_bxm icmp_param; - struct rtable *rt = (struct rtable *)skb_in->dst; + struct rtable *rt = skb_in->rtable; struct ipcm_cookie ipc; __be32 saddr; u8 tos; @@ -616,7 +616,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info) RT_TOS(tos), rt2->u.dst.dev); dst_release(&rt2->u.dst); - rt2 = (struct rtable *)skb_in->dst; + rt2 = skb_in->rtable; skb_in->dst = odst; } @@ -943,7 +943,7 @@ static void icmp_address(struct sk_buff *skb) static void icmp_address_reply(struct sk_buff *skb) { - struct rtable *rt = (struct rtable *)skb->dst; + struct rtable *rt = skb->rtable; struct net_device *dev = skb->dev; struct in_device *in_dev; struct in_ifaddr *ifa; @@ -988,7 +988,7 @@ static void icmp_discard(struct sk_buff *skb) int icmp_rcv(struct sk_buff *skb) { struct icmphdr *icmph; - struct rtable *rt = (struct rtable *)skb->dst; + struct rtable *rt = skb->rtable; if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb)) { int nh; |