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Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/ipvs/ip_vs_ctl.c53
1 files changed, 48 insertions, 5 deletions
diff --git a/net/ipv4/ipvs/ip_vs_ctl.c b/net/ipv4/ipvs/ip_vs_ctl.c
index 6dbc527285f..7f89c588e58 100644
--- a/net/ipv4/ipvs/ip_vs_ctl.c
+++ b/net/ipv4/ipvs/ip_vs_ctl.c
@@ -1177,6 +1177,19 @@ ip_vs_add_service(struct ip_vs_service_user_kern *u,
goto out_mod_dec;
}
+#ifdef CONFIG_IP_VS_IPV6
+ if (u->af == AF_INET6) {
+ if (!sched->supports_ipv6) {
+ ret = -EAFNOSUPPORT;
+ goto out_err;
+ }
+ if ((u->netmask < 1) || (u->netmask > 128)) {
+ ret = -EINVAL;
+ goto out_err;
+ }
+ }
+#endif
+
svc = kzalloc(sizeof(struct ip_vs_service), GFP_ATOMIC);
if (svc == NULL) {
IP_VS_DBG(1, "ip_vs_add_service: kmalloc failed.\n");
@@ -1214,7 +1227,10 @@ ip_vs_add_service(struct ip_vs_service_user_kern *u,
atomic_inc(&ip_vs_nullsvc_counter);
ip_vs_new_estimator(&svc->stats);
- ip_vs_num_services++;
+
+ /* Count only IPv4 services for old get/setsockopt interface */
+ if (svc->af == AF_INET)
+ ip_vs_num_services++;
/* Hash the service into the service table */
write_lock_bh(&__ip_vs_svc_lock);
@@ -1265,6 +1281,19 @@ ip_vs_edit_service(struct ip_vs_service *svc, struct ip_vs_service_user_kern *u)
}
old_sched = sched;
+#ifdef CONFIG_IP_VS_IPV6
+ if (u->af == AF_INET6) {
+ if (!sched->supports_ipv6) {
+ ret = EAFNOSUPPORT;
+ goto out;
+ }
+ if ((u->netmask < 1) || (u->netmask > 128)) {
+ ret = EINVAL;
+ goto out;
+ }
+ }
+#endif
+
write_lock_bh(&__ip_vs_svc_lock);
/*
@@ -1329,7 +1358,10 @@ static void __ip_vs_del_service(struct ip_vs_service *svc)
struct ip_vs_dest *dest, *nxt;
struct ip_vs_scheduler *old_sched;
- ip_vs_num_services--;
+ /* Count only IPv4 services for old get/setsockopt interface */
+ if (svc->af == AF_INET)
+ ip_vs_num_services--;
+
ip_vs_kill_estimator(&svc->stats);
/* Unbind scheduler */
@@ -2212,6 +2244,10 @@ __ip_vs_get_service_entries(const struct ip_vs_get_services *get,
for (idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++) {
list_for_each_entry(svc, &ip_vs_svc_table[idx], s_list) {
+ /* Only expose IPv4 entries to old interface */
+ if (svc->af != AF_INET)
+ continue;
+
if (count >= get->num_services)
goto out;
memset(&entry, 0, sizeof(entry));
@@ -2227,6 +2263,10 @@ __ip_vs_get_service_entries(const struct ip_vs_get_services *get,
for (idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++) {
list_for_each_entry(svc, &ip_vs_svc_fwm_table[idx], f_list) {
+ /* Only expose IPv4 entries to old interface */
+ if (svc->af != AF_INET)
+ continue;
+
if (count >= get->num_services)
goto out;
memset(&entry, 0, sizeof(entry));
@@ -2584,7 +2624,7 @@ static int ip_vs_genl_fill_service(struct sk_buff *skb,
if (!nl_service)
return -EMSGSIZE;
- NLA_PUT_U16(skb, IPVS_SVC_ATTR_AF, AF_INET);
+ NLA_PUT_U16(skb, IPVS_SVC_ATTR_AF, svc->af);
if (svc->fwmark) {
NLA_PUT_U32(skb, IPVS_SVC_ATTR_FWMARK, svc->fwmark);
@@ -2691,8 +2731,11 @@ static int ip_vs_genl_parse_service(struct ip_vs_service_user_kern *usvc,
return -EINVAL;
usvc->af = nla_get_u16(nla_af);
- /* For now, only support IPv4 */
- if (nla_get_u16(nla_af) != AF_INET)
+#ifdef CONFIG_IP_VS_IPV6
+ if (usvc->af != AF_INET && usvc->af != AF_INET6)
+#else
+ if (usvc->af != AF_INET)
+#endif
return -EAFNOSUPPORT;
if (nla_fwmark) {