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authorEric W. Biederman <ebiederm@xmission.com>2015-09-21 21:02:47 +0300
committerSimon Horman <horms@verge.net.au>2015-09-24 03:34:42 +0300
commit20868a40d0a6d88467d95fb0e5b0448e6a0c83a0 (patch)
tree7052d7b037086321095c3f37d6899b58d3a16ebd /net
parentf5745f8ae6bd1ac5e59031b2e3e91fcbf4b30c5b (diff)
downloadlinux-20868a40d0a6d88467d95fb0e5b0448e6a0c83a0.tar.xz
ipvs: Pass ipvs into ensure_mtu_is adequate
This allows two different ways for computing/guessing net to be removed from ensure_mtu_is_adequate. Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Acked-by: Julian Anastasov <ja@ssi.bg> Signed-off-by: Simon Horman <horms@verge.net.au>
Diffstat (limited to 'net')
-rw-r--r--net/netfilter/ipvs/ip_vs_xmit.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c
index 13a678a63ed5..77182b9750cd 100644
--- a/net/netfilter/ipvs/ip_vs_xmit.c
+++ b/net/netfilter/ipvs/ip_vs_xmit.c
@@ -212,13 +212,14 @@ static inline void maybe_update_pmtu(int skb_af, struct sk_buff *skb, int mtu)
ort->dst.ops->update_pmtu(&ort->dst, sk, NULL, mtu);
}
-static inline bool ensure_mtu_is_adequate(int skb_af, int rt_mode,
+static inline bool ensure_mtu_is_adequate(struct netns_ipvs *ipvs, int skb_af,
+ int rt_mode,
struct ip_vs_iphdr *ipvsh,
struct sk_buff *skb, int mtu)
{
#ifdef CONFIG_IP_VS_IPV6
if (skb_af == AF_INET6) {
- struct net *net = dev_net(skb_dst(skb)->dev);
+ struct net *net = ipvs->net;
if (unlikely(__mtu_check_toobig_v6(skb, mtu))) {
if (!skb->dev)
@@ -233,8 +234,6 @@ static inline bool ensure_mtu_is_adequate(int skb_af, int rt_mode,
} else
#endif
{
- struct netns_ipvs *ipvs = net_ipvs(skb_net(skb));
-
/* If we're going to tunnel the packet and pmtu discovery
* is disabled, we'll just fragment it anyway
*/
@@ -338,7 +337,7 @@ __ip_vs_get_out_rt(struct netns_ipvs *ipvs, int skb_af, struct sk_buff *skb,
maybe_update_pmtu(skb_af, skb, mtu);
}
- if (!ensure_mtu_is_adequate(skb_af, rt_mode, ipvsh, skb, mtu))
+ if (!ensure_mtu_is_adequate(ipvs, skb_af, rt_mode, ipvsh, skb, mtu))
goto err_put;
skb_dst_drop(skb);
@@ -487,7 +486,7 @@ __ip_vs_get_out_rt_v6(struct netns_ipvs *ipvs, int skb_af, struct sk_buff *skb,
maybe_update_pmtu(skb_af, skb, mtu);
}
- if (!ensure_mtu_is_adequate(skb_af, rt_mode, ipvsh, skb, mtu))
+ if (!ensure_mtu_is_adequate(ipvs, skb_af, rt_mode, ipvsh, skb, mtu))
goto err_put;
skb_dst_drop(skb);