IPVS: Remove supports_ipv6 scheduler flag

Remove the 'supports_ipv6' scheduler flag since all schedulers now
support IPv6.
Signed-off-by: Julius Volz <julius.volz@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/ip_vs.h

@@ -503,9 +503,6 @@ struct ip_vs_scheduler {
 	char			*name;		/* scheduler name */
 	atomic_t		refcnt;		/* reference counter */
 	struct module		*module;	/* THIS_MODULE/NULL */
-#ifdef CONFIG_IP_VS_IPV6
-	int			supports_ipv6;	/* scheduler has IPv6 support */
-#endif
 
 	/* scheduler initializing service */
 	int (*init_service)(struct ip_vs_service *svc);

net/netfilter/ipvs/ip_vs_ctl.c

@@ -1168,16 +1168,10 @@ ip_vs_add_service(struct ip_vs_service_user_kern *u,
 	}
 
 #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)) {
+	if (u->af == AF_INET6 && (u->netmask < 1 || u->netmask > 128)) {
 		ret = -EINVAL;
 		goto out_err;
 	}
-	}
 #endif
 
 	svc = kzalloc(sizeof(struct ip_vs_service), GFP_ATOMIC);
@@ -1272,16 +1266,10 @@ 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)) {
+	if (u->af == AF_INET6 && (u->netmask < 1 || u->netmask > 128)) {
 		ret = -EINVAL;
 		goto out;
 	}
-	}
 #endif
 
 	write_lock_bh(&__ip_vs_svc_lock);

net/netfilter/ipvs/ip_vs_dh.c

@@ -243,9 +243,6 @@ static struct ip_vs_scheduler ip_vs_dh_scheduler =
 	.refcnt =		ATOMIC_INIT(0),
 	.module =		THIS_MODULE,
 	.n_list =		LIST_HEAD_INIT(ip_vs_dh_scheduler.n_list),
-#ifdef CONFIG_IP_VS_IPV6
-	.supports_ipv6 =	1,
-#endif
 	.init_service =		ip_vs_dh_init_svc,
 	.done_service =		ip_vs_dh_done_svc,
 	.update_service =	ip_vs_dh_update_svc,

net/netfilter/ipvs/ip_vs_lblc.c

@@ -534,9 +534,6 @@ static struct ip_vs_scheduler ip_vs_lblc_scheduler =
 	.refcnt =		ATOMIC_INIT(0),
 	.module =		THIS_MODULE,
 	.n_list =		LIST_HEAD_INIT(ip_vs_lblc_scheduler.n_list),
-#ifdef CONFIG_IP_VS_IPV6
-	.supports_ipv6 =	1,
-#endif
 	.init_service =		ip_vs_lblc_init_svc,
 	.done_service =		ip_vs_lblc_done_svc,
 	.schedule =		ip_vs_lblc_schedule,

net/netfilter/ipvs/ip_vs_lblcr.c

@@ -735,9 +735,6 @@ static struct ip_vs_scheduler ip_vs_lblcr_scheduler =
 	.refcnt =		ATOMIC_INIT(0),
 	.module =		THIS_MODULE,
 	.n_list =		LIST_HEAD_INIT(ip_vs_lblcr_scheduler.n_list),
-#ifdef CONFIG_IP_VS_IPV6
-	.supports_ipv6 =	1,
-#endif
 	.init_service =		ip_vs_lblcr_init_svc,
 	.done_service =		ip_vs_lblcr_done_svc,
 	.schedule =		ip_vs_lblcr_schedule,

net/netfilter/ipvs/ip_vs_lc.c

@@ -81,9 +81,6 @@ static struct ip_vs_scheduler ip_vs_lc_scheduler = {
 	.refcnt =		ATOMIC_INIT(0),
 	.module =		THIS_MODULE,
 	.n_list =		LIST_HEAD_INIT(ip_vs_lc_scheduler.n_list),
-#ifdef CONFIG_IP_VS_IPV6
-	.supports_ipv6 =	1,
-#endif
 	.schedule =		ip_vs_lc_schedule,
 };
 

net/netfilter/ipvs/ip_vs_nq.c

@@ -116,9 +116,6 @@ static struct ip_vs_scheduler ip_vs_nq_scheduler =
 	.refcnt =		ATOMIC_INIT(0),
 	.module =		THIS_MODULE,
 	.n_list =		LIST_HEAD_INIT(ip_vs_nq_scheduler.n_list),
-#ifdef CONFIG_IP_VS_IPV6
-	.supports_ipv6 =	1,
-#endif
 	.schedule =		ip_vs_nq_schedule,
 };
 

net/netfilter/ipvs/ip_vs_rr.c

@@ -89,9 +89,6 @@ static struct ip_vs_scheduler ip_vs_rr_scheduler = {
 	.refcnt =		ATOMIC_INIT(0),
 	.module =		THIS_MODULE,
 	.n_list =		LIST_HEAD_INIT(ip_vs_rr_scheduler.n_list),
-#ifdef CONFIG_IP_VS_IPV6
-	.supports_ipv6 =	1,
-#endif
 	.init_service =		ip_vs_rr_init_svc,
 	.update_service =	ip_vs_rr_update_svc,
 	.schedule =		ip_vs_rr_schedule,

net/netfilter/ipvs/ip_vs_sed.c

@@ -118,9 +118,6 @@ static struct ip_vs_scheduler ip_vs_sed_scheduler =
 	.refcnt =		ATOMIC_INIT(0),
 	.module =		THIS_MODULE,
 	.n_list =		LIST_HEAD_INIT(ip_vs_sed_scheduler.n_list),
-#ifdef CONFIG_IP_VS_IPV6
-	.supports_ipv6 =	1,
-#endif
 	.schedule =		ip_vs_sed_schedule,
 };
 

net/netfilter/ipvs/ip_vs_sh.c

@@ -240,9 +240,6 @@ static struct ip_vs_scheduler ip_vs_sh_scheduler =
 	.refcnt =		ATOMIC_INIT(0),
 	.module =		THIS_MODULE,
 	.n_list	 =		LIST_HEAD_INIT(ip_vs_sh_scheduler.n_list),
-#ifdef CONFIG_IP_VS_IPV6
-	.supports_ipv6 =	1,
-#endif
 	.init_service =		ip_vs_sh_init_svc,
 	.done_service =		ip_vs_sh_done_svc,
 	.update_service =	ip_vs_sh_update_svc,

net/netfilter/ipvs/ip_vs_wlc.c

@@ -106,9 +106,6 @@ static struct ip_vs_scheduler ip_vs_wlc_scheduler =
 	.refcnt =		ATOMIC_INIT(0),
 	.module =		THIS_MODULE,
 	.n_list =		LIST_HEAD_INIT(ip_vs_wlc_scheduler.n_list),
-#ifdef CONFIG_IP_VS_IPV6
-	.supports_ipv6 =	1,
-#endif
 	.schedule =		ip_vs_wlc_schedule,
 };
 

net/netfilter/ipvs/ip_vs_wrr.c

@@ -213,9 +213,6 @@ static struct ip_vs_scheduler ip_vs_wrr_scheduler = {
 	.refcnt =		ATOMIC_INIT(0),
 	.module =		THIS_MODULE,
 	.n_list =		LIST_HEAD_INIT(ip_vs_wrr_scheduler.n_list),
-#ifdef CONFIG_IP_VS_IPV6
-	.supports_ipv6 =	1,
-#endif
 	.init_service =		ip_vs_wrr_init_svc,
 	.done_service =		ip_vs_wrr_done_svc,
 	.update_service =	ip_vs_wrr_update_svc,