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/sctp/protocol.c | |
| parent | a05c44f6d5fb6cd29da04f96bf5ffaa05f545ac5 (diff) | |
| download | lwn-ee6b967301b4aa5d4a4b61e2f682f086266db9fb.tar.gz lwn-ee6b967301b4aa5d4a4b61e2f682f086266db9fb.zip | |
[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/sctp/protocol.c')
| -rw-r--r-- | net/sctp/protocol.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c index 8d9d929f6cea..1afef08f6c1d 100644 --- a/net/sctp/protocol.c +++ b/net/sctp/protocol.c @@ -363,7 +363,7 @@ static int sctp_v4_addr_valid(union sctp_addr *addr, return 0; /* Is this a broadcast address? */ - if (skb && ((struct rtable *)skb->dst)->rt_flags & RTCF_BROADCAST) + if (skb && skb->rtable->rt_flags & RTCF_BROADCAST) return 0; return 1; @@ -539,7 +539,7 @@ static void sctp_v4_get_saddr(struct sctp_association *asoc, /* What interface did this skb arrive on? */ static int sctp_v4_skb_iif(const struct sk_buff *skb) { - return ((struct rtable *)skb->dst)->rt_iif; + return skb->rtable->rt_iif; } /* Was this packet marked by Explicit Congestion Notification? */ @@ -828,8 +828,8 @@ static inline int sctp_v4_xmit(struct sk_buff *skb, SCTP_DEBUG_PRINTK("%s: skb:%p, len:%d, " "src:%u.%u.%u.%u, dst:%u.%u.%u.%u\n", __FUNCTION__, skb, skb->len, - NIPQUAD(((struct rtable *)skb->dst)->rt_src), - NIPQUAD(((struct rtable *)skb->dst)->rt_dst)); + NIPQUAD(skb->rtable->rt_src), + NIPQUAD(skb->rtable->rt_dst)); SCTP_INC_STATS(SCTP_MIB_OUTSCTPPACKS); return ip_queue_xmit(skb, ipfragok); |