From 0bb32417ff0f6ac385e4eec3ef6641950bbb3694 Mon Sep 17 00:00:00 2001 From: Jiri Pirko Date: Wed, 27 May 2009 00:55:08 +0000 Subject: bridge: avoid an extra space in br_fdb_update() Signed-off-by: Jiri Pirko Signed-off-by: David S. Miller --- net/bridge/br_fdb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net/bridge') diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index a48f5efdb6bf..cb3e97b93aeb 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -398,7 +398,7 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, if (unlikely(fdb->is_local)) { if (net_ratelimit()) printk(KERN_WARNING "%s: received packet with " - " own address as source address\n", + "own address as source address\n", source->dev->name); } else { /* fastpath: update of existing entry */ -- cgit v1.2.2 From 511c3f92ad5b6d9f8f6464be1b4f85f0422be91a Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Tue, 2 Jun 2009 05:14:27 +0000 Subject: net: skb->rtable accessor 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 Signed-off-by: David S. Miller --- net/bridge/br_netfilter.c | 25 +++++++++++++++---------- 1 file changed, 15 insertions(+), 10 deletions(-) (limited to 'net/bridge') diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c index e4a418fcb35b..e0ceb66a9ec5 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -228,6 +228,7 @@ int nf_bridge_copy_header(struct sk_buff *skb) static int br_nf_pre_routing_finish_ipv6(struct sk_buff *skb) { struct nf_bridge_info *nf_bridge = skb->nf_bridge; + struct rtable *rt; if (nf_bridge->mask & BRNF_PKT_TYPE) { skb->pkt_type = PACKET_OTHERHOST; @@ -235,12 +236,13 @@ static int br_nf_pre_routing_finish_ipv6(struct sk_buff *skb) } nf_bridge->mask ^= BRNF_NF_BRIDGE_PREROUTING; - skb->rtable = bridge_parent_rtable(nf_bridge->physindev); - if (!skb->rtable) { + rt = bridge_parent_rtable(nf_bridge->physindev); + if (!rt) { kfree_skb(skb); return 0; } - dst_hold(&skb->rtable->u.dst); + dst_hold(&rt->u.dst); + skb->dst = &rt->u.dst; skb->dev = nf_bridge->physindev; nf_bridge_push_encap_header(skb); @@ -338,6 +340,7 @@ static int br_nf_pre_routing_finish(struct sk_buff *skb) struct net_device *dev = skb->dev; struct iphdr *iph = ip_hdr(skb); struct nf_bridge_info *nf_bridge = skb->nf_bridge; + struct rtable *rt; int err; if (nf_bridge->mask & BRNF_PKT_TYPE) { @@ -347,7 +350,6 @@ static int br_nf_pre_routing_finish(struct sk_buff *skb) nf_bridge->mask ^= BRNF_NF_BRIDGE_PREROUTING; if (dnat_took_place(skb)) { if ((err = ip_route_input(skb, iph->daddr, iph->saddr, iph->tos, dev))) { - struct rtable *rt; struct flowi fl = { .nl_u = { .ip4_u = { @@ -404,12 +406,13 @@ bridged_dnat: skb->pkt_type = PACKET_HOST; } } else { - skb->rtable = bridge_parent_rtable(nf_bridge->physindev); - if (!skb->rtable) { + rt = bridge_parent_rtable(nf_bridge->physindev); + if (!rt) { kfree_skb(skb); return 0; } - dst_hold(&skb->rtable->u.dst); + dst_hold(&rt->u.dst); + skb->dst = &rt->u.dst; } skb->dev = nf_bridge->physindev; @@ -628,9 +631,11 @@ static unsigned int br_nf_local_in(unsigned int hook, struct sk_buff *skb, const struct net_device *out, int (*okfn)(struct sk_buff *)) { - if (skb->rtable && skb->rtable == bridge_parent_rtable(in)) { - dst_release(&skb->rtable->u.dst); - skb->rtable = NULL; + struct rtable *rt = skb_rtable(skb); + + if (rt && rt == bridge_parent_rtable(in)) { + dst_release(&rt->u.dst); + skb->dst = NULL; } return NF_ACCEPT; -- cgit v1.2.2 From adf30907d63893e4208dfe3f5c88ae12bc2f25d5 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Tue, 2 Jun 2009 05:19:30 +0000 Subject: net: skb->dst accessors Define three accessors to get/set dst attached to a skb struct dst_entry *skb_dst(const struct sk_buff *skb) void skb_dst_set(struct sk_buff *skb, struct dst_entry *dst) void skb_dst_drop(struct sk_buff *skb) This one should replace occurrences of : dst_release(skb->dst) skb->dst = NULL; Delete skb->dst field Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- net/bridge/br_netfilter.c | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) (limited to 'net/bridge') diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c index e0ceb66a9ec5..d22f611e4004 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -242,7 +242,7 @@ static int br_nf_pre_routing_finish_ipv6(struct sk_buff *skb) return 0; } dst_hold(&rt->u.dst); - skb->dst = &rt->u.dst; + skb_dst_set(skb, &rt->u.dst); skb->dev = nf_bridge->physindev; nf_bridge_push_encap_header(skb); @@ -322,7 +322,7 @@ static int br_nf_pre_routing_finish_bridge(struct sk_buff *skb) skb->dev = bridge_parent(skb->dev); if (skb->dev) { - struct dst_entry *dst = skb->dst; + struct dst_entry *dst = skb_dst(skb); nf_bridge_pull_encap_header(skb); @@ -375,7 +375,7 @@ static int br_nf_pre_routing_finish(struct sk_buff *skb) /* - Bridged-and-DNAT'ed traffic doesn't * require ip_forwarding. */ if (((struct dst_entry *)rt)->dev == dev) { - skb->dst = (struct dst_entry *)rt; + skb_dst_set(skb, (struct dst_entry *)rt); goto bridged_dnat; } /* we are sure that forwarding is disabled, so printing @@ -389,7 +389,7 @@ free_skb: kfree_skb(skb); return 0; } else { - if (skb->dst->dev == dev) { + if (skb_dst(skb)->dev == dev) { bridged_dnat: /* Tell br_nf_local_out this is a * bridged frame */ @@ -412,7 +412,7 @@ bridged_dnat: return 0; } dst_hold(&rt->u.dst); - skb->dst = &rt->u.dst; + skb_dst_set(skb, &rt->u.dst); } skb->dev = nf_bridge->physindev; @@ -633,10 +633,8 @@ static unsigned int br_nf_local_in(unsigned int hook, struct sk_buff *skb, { struct rtable *rt = skb_rtable(skb); - if (rt && rt == bridge_parent_rtable(in)) { - dst_release(&rt->u.dst); - skb->dst = NULL; - } + if (rt && rt == bridge_parent_rtable(in)) + skb_dst_drop(skb); return NF_ACCEPT; } @@ -851,7 +849,7 @@ static unsigned int br_nf_post_routing(unsigned int hook, struct sk_buff *skb, return NF_ACCEPT; #ifdef CONFIG_NETFILTER_DEBUG - if (skb->dst == NULL) { + if (skb_dst(skb) == NULL) { printk(KERN_INFO "br_netfilter post_routing: skb->dst == NULL\n"); goto print_error; } -- cgit v1.2.2