ipv6: Pass struct net through ip6_fragment

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>

diff --git a/include/linux/netfilter_ipv6.h b/include/linux/netfilter_ipv6.h
index 2ac8369..47c6b04 100644 (file)
--- a/include/linux/netfilter_ipv6.h
+++ b/include/linux/netfilter_ipv6.h
@@ -17,8 +17,8 @@ struct nf_ipv6_ops {
        int (*chk_addr)(struct net *net, const struct in6_addr *addr,
                        const struct net_device *dev, int strict);
        void (*route_input)(struct sk_buff *skb);
-       int (*fragment)(struct sock *sk, struct sk_buff *skb,
-                       int (*output)(struct sock *, struct sk_buff *));
+       int (*fragment)(struct net *net, struct sock *sk, struct sk_buff *skb,
+                       int (*output)(struct net *, struct sock *, struct sk_buff *));
 };
 
 #ifdef CONFIG_NETFILTER

diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 297629a..2bfb2ad 100644 (file)
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -173,8 +173,8 @@ static inline bool ipv6_anycast_destination(const struct dst_entry *dst,
                 ipv6_addr_equal(&rt->rt6i_dst.addr, daddr));
 }
 
-int ip6_fragment(struct sock *sk, struct sk_buff *skb,
-                int (*output)(struct sock *, struct sk_buff *));
+int ip6_fragment(struct net *net, struct sock *sk, struct sk_buff *skb,
+                int (*output)(struct net *, struct sock *, struct sk_buff *));
 
 static inline int ip6_skb_dst_mtu(struct sk_buff *skb)
 {

diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c
index 00e356c..815994d 100644 (file)
--- a/net/bridge/br_netfilter_hooks.c
+++ b/net/bridge/br_netfilter_hooks.c
@@ -786,7 +786,7 @@ static int br_nf_dev_queue_xmit(struct net *net, struct sock *sk, struct sk_buff
                                                 data->size);
 
                if (v6ops)
-                       return v6ops->fragment(sk, skb, br_nf_push_frag_xmit_sk);
+                       return v6ops->fragment(net, sk, skb, br_nf_push_frag_xmit);
 
                kfree_skb(skb);
                return -EMSGSIZE;

diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index a598fe2..caf7d14 100644 (file)
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -56,11 +56,10 @@
 #include <net/checksum.h>
 #include <linux/mroute6.h>
 
-static int ip6_finish_output2(struct sock *sk, struct sk_buff *skb)
+static int ip6_finish_output2(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
        struct dst_entry *dst = skb_dst(skb);
        struct net_device *dev = dst->dev;
-       struct net *net = dev_net(dev);
        struct neighbour *neigh;
        struct in6_addr *nexthop;
        int ret;
@@ -126,9 +125,9 @@ static int ip6_finish_output(struct net *net, struct sock *sk, struct sk_buff *s
        if ((skb->len > ip6_skb_dst_mtu(skb) && !skb_is_gso(skb)) ||
            dst_allfrag(skb_dst(skb)) ||
            (IP6CB(skb)->frag_max_size && skb->len > IP6CB(skb)->frag_max_size))
-               return ip6_fragment(sk, skb, ip6_finish_output2);
+               return ip6_fragment(net, sk, skb, ip6_finish_output2);
        else
-               return ip6_finish_output2(sk, skb);
+               return ip6_finish_output2(net, sk, skb);
 }
 
 int ip6_output(struct sock *sk, struct sk_buff *skb)
@@ -554,8 +553,8 @@ static void ip6_copy_metadata(struct sk_buff *to, struct sk_buff *from)
        skb_copy_secmark(to, from);
 }
 
-int ip6_fragment(struct sock *sk, struct sk_buff *skb,
-                int (*output)(struct sock *, struct sk_buff *))
+int ip6_fragment(struct net *net, struct sock *sk, struct sk_buff *skb,
+                int (*output)(struct net *, struct sock *, struct sk_buff *))
 {
        struct sk_buff *frag;
        struct rt6_info *rt = (struct rt6_info *)skb_dst(skb);
@@ -568,7 +567,6 @@ int ip6_fragment(struct sock *sk, struct sk_buff *skb,
        __be32 frag_id;
        int ptr, offset = 0, err = 0;
        u8 *prevhdr, nexthdr = 0;
-       struct net *net = dev_net(skb_dst(skb)->dev);
 
        hlen = ip6_find_1stfragopt(skb, &prevhdr);
        nexthdr = *prevhdr;
@@ -688,7 +686,7 @@ int ip6_fragment(struct sock *sk, struct sk_buff *skb,
                                ip6_copy_metadata(frag, skb);
                        }
 
-                       err = output(sk, skb);
+                       err = output(net, sk, skb);
                        if (!err)
                                IP6_INC_STATS(net, ip6_dst_idev(&rt->dst),
                                              IPSTATS_MIB_FRAGCREATES);
@@ -816,7 +814,7 @@ slow_path:
                /*
                 *      Put this fragment into the sending queue.
                 */
-               err = output(sk, frag);
+               err = output(net, sk, frag);
                if (err)
                        goto fail;
 

diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c
index 0c3e9ff..335066a 100644 (file)
--- a/net/ipv6/xfrm6_output.c
+++ b/net/ipv6/xfrm6_output.c
@@ -131,6 +131,12 @@ int xfrm6_output_finish(struct sock *sk, struct sk_buff *skb)
        return xfrm_output(sk, skb);
 }
 
+static int __xfrm6_output_finish(struct net *net, struct sock *sk, struct sk_buff *skb)
+{
+       struct xfrm_state *x = skb_dst(skb)->xfrm;
+       return x->outer_mode->afinfo->output_finish(sk, skb);
+}
+
 static int __xfrm6_output(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
        struct dst_entry *dst = skb_dst(skb);
@@ -160,8 +166,8 @@ static int __xfrm6_output(struct net *net, struct sock *sk, struct sk_buff *skb)
        if (x->props.mode == XFRM_MODE_TUNNEL &&
            ((skb->len > mtu && !skb_is_gso(skb)) ||
                dst_allfrag(skb_dst(skb)))) {
-               return ip6_fragment(sk, skb,
-                                   x->outer_mode->afinfo->output_finish);
+               return ip6_fragment(net, sk, skb,
+                                   __xfrm6_output_finish);
        }
        return x->outer_mode->afinfo->output_finish(sk, skb);
 }

diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c
index b281b2b..f33c627 100644 (file)
--- a/net/openvswitch/actions.c
+++ b/net/openvswitch/actions.c
@@ -727,7 +727,7 @@ static void ovs_fragment(struct net *net, struct vport *vport,
                skb_dst_set_noref(skb, &ovs_rt.dst);
                IP6CB(skb)->frag_max_size = mru;
 
-               v6ops->fragment(skb->sk, skb, ovs_vport_output_sk);
+               v6ops->fragment(net, skb->sk, skb, ovs_vport_output);
                refdst_drop(orig_dst);
        } else {
                WARN_ONCE(1, "Failed fragment ->%s: eth=%04x, MRU=%d, MTU=%d.",