This is necessary to schedule icmp later.
Signed-off-by: Alex Gartrell <agartrell@xxxxxx>
---
net/netfilter/ipvs/ip_vs_core.c | 26 +++++++++++++++++++-------
1 file changed, 19 insertions(+), 7 deletions(-)
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 1d9d177..558239a 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -418,7 +418,8 @@ ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff *skb,
struct ip_vs_conn *cp = NULL;
struct ip_vs_scheduler *sched;
struct ip_vs_dest *dest;
- __be16 _ports[2], *pptr;
+ __be16 _ports[2], *pptr, cport, vport;
+ const void *caddr, *vaddr;
unsigned int flags;
*ignored = 1;
@@ -429,13 +430,25 @@ ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff *skb,
if (pptr == NULL)
return NULL;
+ if (likely(!ip_vs_iph_inverse(iph))) {
+ cport = pptr[0];
+ caddr = &iph->saddr;
+ vport = pptr[1];
+ vaddr = &iph->daddr;
+ } else {
+ cport = pptr[1];
+ caddr = &iph->daddr;
+ vport = pptr[0];
+ vaddr = &iph->saddr;
+ }
+
/*
* FTPDATA needs this check when using local real server.
* Never schedule Active FTPDATA connections from real server.
* For LVS-NAT they must be already created. For other methods
* with persistence the connection is created on SYN+ACK.
*/
- if (pptr[0] == FTPDATA) {
+ if (cport == FTPDATA) {
IP_VS_DBG_PKT(12, svc->af, pp, skb, iph->off,
"Not scheduling FTPDATA");
return NULL;
@@ -462,7 +475,7 @@ ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff *skb,
* Persistent service
*/
if (svc->flags & IP_VS_SVC_F_PERSISTENT)
- return ip_vs_sched_persist(svc, skb, pptr[0], pptr[1], ignored,
+ return ip_vs_sched_persist(svc, skb, cport, vport, ignored,
iph);
*ignored = 0;
@@ -470,7 +483,7 @@ ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff *skb,
/*
* Non-persistent service
*/
- if (!svc->fwmark && pptr[1] != svc->port) {
+ if (!svc->fwmark && vport != svc->port) {
if (!svc->port)
pr_err("Schedule: port zero only supported "
"in persistent services, "
@@ -502,10 +515,9 @@ ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff *skb,
struct ip_vs_conn_param p;
ip_vs_conn_fill_param(svc->net, svc->af, iph->protocol,
- &iph->saddr, pptr[0], &iph->daddr,
- pptr[1], &p);
+ caddr, cport, vaddr, vport, &p);
cp = ip_vs_conn_new(&p, dest->af, &dest->addr,
- dest->port ? dest->port : pptr[1],
+ dest->port ? dest->port : vport,
flags, dest, skb->mark);
if (!cp) {
*ignored = -1;
--
Alex Gartrell <agartrell@xxxxxx>
--
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