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ipvs: Pass ipvs into ensure_mtu_is adequate

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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>
This commit is contained in:
Eric W. Biederman 2015-09-21 13:02:47 -05:00 committed by Simon Horman
parent f5745f8ae6
commit 20868a40d0
1 changed files with 5 additions and 6 deletions
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11
net/netfilter/ipvs/ip_vs_xmit.c
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@ -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);