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ipvs: Cache ipvs in ip_vs_in_icmp and ip_vs_in_icmp_v6

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Storte the value of net_ipvs in a variable named ipvs so that when
there are more users struct netns_ipvs in ip_vs_in_cmp and
ip_vs_in_icmp_v6 they won't need to compute the value again.

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 13:02:00 -05:00 committed by Simon Horman
parent c60856c687
commit a47b430080
1 changed files with 6 additions and 2 deletions
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8
net/netfilter/ipvs/ip_vs_core.c
View file

@ -1403,6 +1403,7 @@ static int
ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
{
struct net *net = NULL;
struct netns_ipvs *ipvs;
struct iphdr *iph;
struct icmphdr _icmph, *ic;
struct iphdr _ciph, *cih; /* The ip header contained within the ICMP */
@ -1452,6 +1453,7 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
return NF_ACCEPT; /* The packet looks wrong, ignore */
net = skb_net(skb);
ipvs = net_ipvs(net);
/* Special case for errors for IPIP packets */
ipip = false;
@ -1493,7 +1495,7 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
if (!cp) {
int v;
if (!sysctl_schedule_icmp(net_ipvs(net)))
if (!sysctl_schedule_icmp(ipvs))
return NF_ACCEPT;
if (!ip_vs_try_to_schedule(AF_INET, skb, pd, &v, &cp, &ciph))
@ -1589,6 +1591,7 @@ static int ip_vs_in_icmp_v6(struct sk_buff *skb, int *related,
unsigned int hooknum, struct ip_vs_iphdr *iph)
{
struct net *net = NULL;
struct netns_ipvs *ipvs;
struct icmp6hdr _icmph, *ic;
struct ip_vs_iphdr ciph = {.flags = 0, .fragoffs = 0};/*Contained IP */
struct ip_vs_conn *cp;
@ -1629,6 +1632,7 @@ static int ip_vs_in_icmp_v6(struct sk_buff *skb, int *related,
return NF_ACCEPT;
net = skb_net(skb);
ipvs = net_ipvs(net);
pd = ip_vs_proto_data_get(net, ciph.protocol);
if (!pd)
return NF_ACCEPT;
@ -1649,7 +1653,7 @@ static int ip_vs_in_icmp_v6(struct sk_buff *skb, int *related,
if (!cp) {
int v;
if (!sysctl_schedule_icmp(net_ipvs(net)))
if (!sysctl_schedule_icmp(ipvs))
return NF_ACCEPT;
if (!ip_vs_try_to_schedule(AF_INET6, skb, pd, &v, &cp, &ciph))