netfilter: af_info: add network namespace parameter to route hook
Florian Westphal [Mon, 4 Apr 2011 14:56:29 +0000 (16:56 +0200)]
This is required to eventually replace the rt6_lookup call in
xt_addrtype.c with nf_afinfo->route().

Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Patrick McHardy <kaber@trash.net>

include/linux/netfilter.h
net/ipv4/netfilter.c
net/ipv6/netfilter.c
net/netfilter/nf_conntrack_h323_main.c
net/netfilter/xt_TCPMSS.c

index eeec00a..20ed452 100644 (file)
@@ -270,7 +270,8 @@ struct nf_afinfo {
                                            unsigned int dataoff,
                                            unsigned int len,
                                            u_int8_t protocol);
-       int             (*route)(struct dst_entry **dst, struct flowi *fl);
+       int             (*route)(struct net *net, struct dst_entry **dst,
+                                struct flowi *fl);
        void            (*saveroute)(const struct sk_buff *skb,
                                     struct nf_queue_entry *entry);
        int             (*reroute)(struct sk_buff *skb,
index f3c0b54..f1035f0 100644 (file)
@@ -221,9 +221,10 @@ static __sum16 nf_ip_checksum_partial(struct sk_buff *skb, unsigned int hook,
        return csum;
 }
 
-static int nf_ip_route(struct dst_entry **dst, struct flowi *fl)
+static int nf_ip_route(struct net *net, struct dst_entry **dst,
+                      struct flowi *fl)
 {
-       struct rtable *rt = ip_route_output_key(&init_net, &fl->u.ip4);
+       struct rtable *rt = ip_route_output_key(net, &fl->u.ip4);
        if (IS_ERR(rt))
                return PTR_ERR(rt);
        *dst = &rt->dst;
index 39aaca2..e008b9b 100644 (file)
@@ -90,9 +90,10 @@ static int nf_ip6_reroute(struct sk_buff *skb,
        return 0;
 }
 
-static int nf_ip6_route(struct dst_entry **dst, struct flowi *fl)
+static int nf_ip6_route(struct net *net, struct dst_entry **dst,
+                       struct flowi *fl)
 {
-       *dst = ip6_route_output(&init_net, NULL, &fl->u.ip6);
+       *dst = ip6_route_output(net, NULL, &fl->u.ip6);
        return (*dst)->error;
 }
 
index 533a183..39a4538 100644 (file)
@@ -731,9 +731,9 @@ static int callforward_do_filter(const union nf_inet_addr *src,
 
                memset(&fl2, 0, sizeof(fl2));
                fl2.daddr = dst->ip;
-               if (!afinfo->route((struct dst_entry **)&rt1,
+               if (!afinfo->route(&init_net, (struct dst_entry **)&rt1,
                                   flowi4_to_flowi(&fl1))) {
-                       if (!afinfo->route((struct dst_entry **)&rt2,
+                       if (!afinfo->route(&init_net, (struct dst_entry **)&rt2,
                                           flowi4_to_flowi(&fl2))) {
                                if (rt1->rt_gateway == rt2->rt_gateway &&
                                    rt1->dst.dev  == rt2->dst.dev)
@@ -755,9 +755,9 @@ static int callforward_do_filter(const union nf_inet_addr *src,
 
                memset(&fl2, 0, sizeof(fl2));
                ipv6_addr_copy(&fl2.daddr, &dst->in6);
-               if (!afinfo->route((struct dst_entry **)&rt1,
+               if (!afinfo->route(&init_net, (struct dst_entry **)&rt1,
                                   flowi6_to_flowi(&fl1))) {
-                       if (!afinfo->route((struct dst_entry **)&rt2,
+                       if (!afinfo->route(&init_net, (struct dst_entry **)&rt2,
                                           flowi6_to_flowi(&fl2))) {
                                if (!memcmp(&rt1->rt6i_gateway, &rt2->rt6i_gateway,
                                            sizeof(rt1->rt6i_gateway)) &&
index 6e6b46c..8690125 100644 (file)
@@ -166,7 +166,7 @@ static u_int32_t tcpmss_reverse_mtu(const struct sk_buff *skb,
        rcu_read_lock();
        ai = nf_get_afinfo(family);
        if (ai != NULL)
-               ai->route((struct dst_entry **)&rt, &fl);
+               ai->route(&init_net, (struct dst_entry **)&rt, &fl);
        rcu_read_unlock();
 
        if (rt != NULL) {