net: use the macros defined for the members of flowi

[net-next-2.6.git] / net / bridge / br_netfilter.c

diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index 77f7b5fda45a534dfb9c81c9d58324beff3a073e..6e13920939113b07e7ae1bbed452323e261865d2 100644 (file)
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -64,22 +64,24 @@ static int brnf_filter_pppoe_tagged __read_mostly = 0;
 
 static inline __be16 vlan_proto(const struct sk_buff *skb)
 {
-       return vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
+       if (vlan_tx_tag_present(skb))
+               return skb->protocol;
+       else if (skb->protocol == htons(ETH_P_8021Q))
+               return vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
+       else
+               return 0;
 }
 
 #define IS_VLAN_IP(skb) \
-       (skb->protocol == htons(ETH_P_8021Q) && \
-        vlan_proto(skb) == htons(ETH_P_IP) &&  \
+       (vlan_proto(skb) == htons(ETH_P_IP) && \
         brnf_filter_vlan_tagged)
 
 #define IS_VLAN_IPV6(skb) \
-       (skb->protocol == htons(ETH_P_8021Q) && \
-        vlan_proto(skb) == htons(ETH_P_IPV6) &&\
+       (vlan_proto(skb) == htons(ETH_P_IPV6) && \
         brnf_filter_vlan_tagged)
 
 #define IS_VLAN_ARP(skb) \
-       (skb->protocol == htons(ETH_P_8021Q) && \
-        vlan_proto(skb) == htons(ETH_P_ARP) && \
+       (vlan_proto(skb) == htons(ETH_P_ARP) && \
         brnf_filter_vlan_tagged)
 
 static inline __be16 pppoe_proto(const struct sk_buff *skb)
@@ -106,7 +108,6 @@ static struct dst_ops fake_dst_ops = {
        .family =               AF_INET,
        .protocol =             cpu_to_be16(ETH_P_IP),
        .update_pmtu =          fake_update_pmtu,
-       .entries =              ATOMIC_INIT(0),
 };
 
 /*
@@ -130,17 +131,18 @@ void br_netfilter_rtable_init(struct net_bridge *br)
 
 static inline struct rtable *bridge_parent_rtable(const struct net_device *dev)
 {
-       if (!br_port_exists(dev))
-               return NULL;
-       return &br_port_get_rcu(dev)->br->fake_rtable;
+       struct net_bridge_port *port;
+
+       port = br_port_get_rcu(dev);
+       return port ? &port->br->fake_rtable : NULL;
 }
 
 static inline struct net_device *bridge_parent(const struct net_device *dev)
 {
-       if (!br_port_exists(dev))
-               return NULL;
+       struct net_bridge_port *port;
 
-       return br_port_get_rcu(dev)->br->dev;
+       port = br_port_get_rcu(dev);
+       return port ? port->br->dev : NULL;
 }
 
 static inline struct nf_bridge_info *nf_bridge_alloc(struct sk_buff *skb)
@@ -214,7 +216,7 @@ static inline void nf_bridge_update_protocol(struct sk_buff *skb)
  * expected format
  */
 
-int br_parse_ip_options(struct sk_buff *skb)
+static int br_parse_ip_options(struct sk_buff *skb)
 {
        struct ip_options *opt;
        struct iphdr *iph;
@@ -411,13 +413,8 @@ static int br_nf_pre_routing_finish(struct sk_buff *skb)
        if (dnat_took_place(skb)) {
                if ((err = ip_route_input(skb, iph->daddr, iph->saddr, iph->tos, dev))) {
                        struct flowi fl = {
-                               .nl_u = {
-                                       .ip4_u = {
-                                                .daddr = iph->daddr,
-                                                .saddr = 0,
-                                                .tos = RT_TOS(iph->tos) },
-                               },
-                               .proto = 0,
+                               .fl4_dst = iph->daddr,
+                               .fl4_tos = RT_TOS(iph->tos),
                        };
                        struct in_device *in_dev = __in_dev_get_rcu(dev);
 
@@ -1003,15 +1000,22 @@ int __init br_netfilter_init(void)
 {
        int ret;
 
-       ret = nf_register_hooks(br_nf_ops, ARRAY_SIZE(br_nf_ops));
+       ret = dst_entries_init(&fake_dst_ops);
        if (ret < 0)
                return ret;
+
+       ret = nf_register_hooks(br_nf_ops, ARRAY_SIZE(br_nf_ops));
+       if (ret < 0) {
+               dst_entries_destroy(&fake_dst_ops);
+               return ret;
+       }
 #ifdef CONFIG_SYSCTL
        brnf_sysctl_header = register_sysctl_paths(brnf_path, brnf_table);
        if (brnf_sysctl_header == NULL) {
                printk(KERN_WARNING
                       "br_netfilter: can't register to sysctl.\n");
                nf_unregister_hooks(br_nf_ops, ARRAY_SIZE(br_nf_ops));
+               dst_entries_destroy(&fake_dst_ops);
                return -ENOMEM;
        }
 #endif
@@ -1025,4 +1029,5 @@ void br_netfilter_fini(void)
 #ifdef CONFIG_SYSCTL
        unregister_sysctl_table(brnf_sysctl_header);
 #endif
+       dst_entries_destroy(&fake_dst_ops);
 }