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Convert ip_vs_schedule() and ip_vs_sched_persist() to support scheduling of
IPv6 connections.
Signed-off-by: Julius Volz <juliusv@xxxxxxxxxx>
1 files changed, 31 insertions(+), 25 deletions(-)
diff --git a/net/ipv4/ipvs/ip_vs_core.c b/net/ipv4/ipvs/ip_vs_core.c
index d6f5bf9..8bfd7c2 100644
--- a/net/ipv4/ipvs/ip_vs_core.c
+++ b/net/ipv4/ipvs/ip_vs_core.c
@@ -176,19 +176,25 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
struct ip_vs_iphdr iph;
struct ip_vs_dest *dest;
struct ip_vs_conn *ct;
- __be16 dport; /* destination port to forward */
+ __be16 dport; /* destination port to forward */
union nf_inet_addr snet; /* source network of the client,
after masking */
- ip_vs_fill_iphdr(AF_INET, skb_network_header(skb), &iph);
+
+ ip_vs_fill_iphdr(svc->af, skb_network_header(skb), &iph);
/* Mask saddr with the netmask to adjust template granularity */
- snet.ip = iph.saddr.ip & svc->netmask;
+#ifdef CONFIG_IP_VS_IPV6
+ if (svc->af == AF_INET6)
+ ipv6_addr_prefix(&snet.in6, &iph.saddr.in6, svc->netmask);
+ else
+#endif
+ snet.ip = iph.saddr.ip & svc->netmask;
- IP_VS_DBG(6, "p-schedule: src %u.%u.%u.%u:%u dest %u.%u.%u.%u:%u "
- "mnet %u.%u.%u.%u\n",
- NIPQUAD(iph.saddr.ip), ntohs(ports[0]),
- NIPQUAD(iph.daddr.ip), ntohs(ports[1]),
- NIPQUAD(snet));
+ IP_VS_DBG_BUF(6, "p-schedule: src %s:%u dest %s:%u "
+ "mnet %s\n",
+ IP_VS_DBG_ADDR(svc->af, &iph.saddr), ntohs(ports[0]),
+ IP_VS_DBG_ADDR(svc->af, &iph.daddr), ntohs(ports[1]),
+ IP_VS_DBG_ADDR(svc->af, &snet));
/*
* As far as we know, FTP is a very complicated network protocol, and
@@ -206,10 +212,10 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
if (ports[1] == svc->port) {
/* Check if a template already exists */
if (svc->port != FTPPORT)
- ct = ip_vs_ct_in_get(AF_INET, iph.protocol, &snet, 0,
+ ct = ip_vs_ct_in_get(svc->af, iph.protocol, &snet, 0,
&iph.daddr, ports[1]);
else
- ct = ip_vs_ct_in_get(AF_INET, iph.protocol, &snet, 0,
+ ct = ip_vs_ct_in_get(svc->af, iph.protocol, &snet, 0,
&iph.daddr, 0);
if (!ct || !ip_vs_check_template(ct)) {
@@ -230,7 +236,7 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
* for ftp service.
*/
if (svc->port != FTPPORT)
- ct = ip_vs_conn_new(AF_INET, iph.protocol,
+ ct = ip_vs_conn_new(svc->af, iph.protocol,
&snet, 0,
&iph.daddr,
ports[1],
@@ -238,7 +244,7 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
IP_VS_CONN_F_TEMPLATE,
dest);
else
- ct = ip_vs_conn_new(AF_INET, iph.protocol,
+ ct = ip_vs_conn_new(svc->af, iph.protocol,
&snet, 0,
&iph.daddr, 0,
&dest->addr, 0,
@@ -265,10 +271,10 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
.all = { 0, 0, 0, htonl(svc->fwmark) }
};
- ct = ip_vs_ct_in_get(AF_INET, IPPROTO_IP, &snet, 0,
+ ct = ip_vs_ct_in_get(svc->af, IPPROTO_IP, &snet, 0,
&fwmark, 0);
} else
- ct = ip_vs_ct_in_get(AF_INET, iph.protocol, &snet, 0,
+ ct = ip_vs_ct_in_get(svc->af, iph.protocol, &snet, 0,
&iph.daddr, 0);
if (!ct || !ip_vs_check_template(ct)) {
@@ -293,14 +299,14 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
.all = { 0, 0, 0, htonl(svc->fwmark) }
};
- ct = ip_vs_conn_new(AF_INET, IPPROTO_IP,
+ ct = ip_vs_conn_new(svc->af, IPPROTO_IP,
&snet, 0,
&fwmark, 0,
&dest->addr, 0,
IP_VS_CONN_F_TEMPLATE,
dest);
} else
- ct = ip_vs_conn_new(AF_INET, iph.protocol,
+ ct = ip_vs_conn_new(svc->af, iph.protocol,
&snet, 0,
&iph.daddr, 0,
&dest->addr, 0,
@@ -320,7 +326,7 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
/*
* Create a new connection according to the template
*/
- cp = ip_vs_conn_new(AF_INET, iph.protocol,
+ cp = ip_vs_conn_new(svc->af, iph.protocol,
&iph.saddr, ports[0],
&iph.daddr, ports[1],
&dest->addr, dport,
@@ -387,7 +393,7 @@ ip_vs_schedule(struct ip_vs_service *svc, const struct
sk_buff *skb)
/*
* Create a connection entry.
*/
- cp = ip_vs_conn_new(AF_INET, iph.protocol,
+ cp = ip_vs_conn_new(svc->af, iph.protocol,
&iph.saddr, pptr[0],
&iph.daddr, pptr[1],
&dest->addr, dest->port ? dest->port : pptr[1],
@@ -396,13 +402,13 @@ ip_vs_schedule(struct ip_vs_service *svc, const struct
sk_buff *skb)
if (cp == NULL)
return NULL;
- IP_VS_DBG(6, "Schedule fwd:%c c:%u.%u.%u.%u:%u v:%u.%u.%u.%u:%u "
- "d:%u.%u.%u.%u:%u conn->flags:%X conn->refcnt:%d\n",
- ip_vs_fwd_tag(cp),
- NIPQUAD(cp->caddr.ip), ntohs(cp->cport),
- NIPQUAD(cp->vaddr.ip), ntohs(cp->vport),
- NIPQUAD(cp->daddr.ip), ntohs(cp->dport),
- cp->flags, atomic_read(&cp->refcnt));
+ IP_VS_DBG_BUF(6, "Schedule fwd:%c c:%s:%u v:%s:%u "
+ "d:%s:%u conn->flags:%X conn->refcnt:%d\n",
+ ip_vs_fwd_tag(cp),
+ IP_VS_DBG_ADDR(svc->af, &cp->caddr), ntohs(cp->cport),
+ IP_VS_DBG_ADDR(svc->af, &cp->vaddr), ntohs(cp->vport),
+ IP_VS_DBG_ADDR(svc->af, &cp->daddr), ntohs(cp->dport),
+ cp->flags, atomic_read(&cp->refcnt));
ip_vs_conn_stats(cp, svc);
return cp;
--
1.5.4.5
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