Commit 7d8c6e39 authored by Eric W. Biederman's avatar Eric W. Biederman

ipv6: Pass struct net through ip6_fragment

Signed-off-by: default avatarEric W. Biederman <ebiederm@xmission.com>
parent 694869b3
......@@ -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
......
......@@ -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)
{
......
......@@ -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;
......
......@@ -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 @@ int ip6_fragment(struct sock *sk, struct sk_buff *skb,
/*
* Put this fragment into the sending queue.
*/
err = output(sk, frag);
err = output(net, sk, frag);
if (err)
goto fail;
......
......@@ -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);
}
......
......@@ -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.",
......
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