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ipvs: try also real server with port 0 in backup server 

We should not forget to try for real server with port 0
in the backup server when processing the sync message. We should
do it in all cases because the backup server can use different
forwarding method.

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Julian Anastasov 2011-12-30 14:19:02 +09:00 committed by Pablo Neira Ayuso
parent fe3c8cc922
commit 52793dbe3d
4 changed files with 11 additions and 5 deletions
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2
include/net/ip_vs.h
View File

@ -1207,7 +1207,7 @@ extern void ip_vs_control_cleanup(void);
extern struct ip_vs_dest *
ip_vs_find_dest(struct net *net, int af, const union nf_inet_addr *daddr,
__be16 dport, const union nf_inet_addr *vaddr, __be16 vport,
__u16 protocol, __u32 fwmark);
__u16 protocol, __u32 fwmark, __u32 flags);
extern struct ip_vs_dest *ip_vs_try_bind_dest(struct ip_vs_conn *cp);

2
net/netfilter/ipvs/ip_vs_conn.c
View File

@ -616,7 +616,7 @@ struct ip_vs_dest *ip_vs_try_bind_dest(struct ip_vs_conn *cp)
if ((cp) && (!cp->dest)) {
dest = ip_vs_find_dest(ip_vs_conn_net(cp), cp->af, &cp->daddr,
cp->dport, &cp->vaddr, cp->vport,
cp->protocol, cp->fwmark);
cp->protocol, cp->fwmark, cp->flags);
ip_vs_bind_dest(cp, dest);
return dest;
} else

10
net/netfilter/ipvs/ip_vs_ctl.c
View File

@ -619,15 +619,21 @@ struct ip_vs_dest *ip_vs_find_dest(struct net *net, int af,
const union nf_inet_addr *daddr,
__be16 dport,
const union nf_inet_addr *vaddr,
__be16 vport, __u16 protocol, __u32 fwmark)
__be16 vport, __u16 protocol, __u32 fwmark,
__u32 flags)
{
struct ip_vs_dest *dest;
struct ip_vs_service *svc;
__be16 port = dport;
svc = ip_vs_service_get(net, af, fwmark, protocol, vaddr, vport);
if (!svc)
return NULL;
dest = ip_vs_lookup_dest(svc, daddr, dport);
if (fwmark && (flags & IP_VS_CONN_F_FWD_MASK) != IP_VS_CONN_F_MASQ)
port = 0;
dest = ip_vs_lookup_dest(svc, daddr, port);
if (!dest)
dest = ip_vs_lookup_dest(svc, daddr, port ^ dport);
if (dest)
atomic_inc(&dest->refcnt);
ip_vs_service_put(svc);

2
net/netfilter/ipvs/ip_vs_sync.c
View File

@ -740,7 +740,7 @@ static void ip_vs_proc_conn(struct net *net, struct ip_vs_conn_param *param,
* but still handled.
*/
dest = ip_vs_find_dest(net, type, daddr, dport, param->vaddr,
param->vport, protocol, fwmark);
param->vport, protocol, fwmark, flags);
/* Set the approprite ativity flag */
if (protocol == IPPROTO_TCP) {