[IPV4]: Switch users of ipv4_devconf(_all) to use the pernet one

These are scattered over the code, but almost all the
"critical" places already have the proper struct net
at hand except for snmp proc showing function and routing
rtnl handler.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 5daf504..1102fb3 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -860,7 +860,7 @@
 
 	n = __neigh_lookup(&arp_tbl, &sip, dev, 0);
 
-	if (IPV4_DEVCONF_ALL(ARP_ACCEPT)) {
+	if (IPV4_DEVCONF_ALL(dev->nd_net, ARP_ACCEPT)) {
 		/* Unsolicited ARP is not accepted by default.
 		   It is possible, that this option should be enabled for some
 		   devices (strip is candidate)
@@ -955,7 +955,7 @@
 static int arp_req_set_proxy(struct net *net, struct net_device *dev, int on)
 {
 	if (dev == NULL) {
-		IPV4_DEVCONF_ALL(PROXY_ARP) = on;
+		IPV4_DEVCONF_ALL(net, PROXY_ARP) = on;
 		return 0;
 	}
 	if (__in_dev_get_rtnl(dev)) {
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 4c01c55..1f21f4a 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1258,9 +1258,9 @@
 static void inet_forward_change(struct net *net)
 {
 	struct net_device *dev;
-	int on = IPV4_DEVCONF_ALL(FORWARDING);
+	int on = IPV4_DEVCONF_ALL(net, FORWARDING);
 
-	IPV4_DEVCONF_ALL(ACCEPT_REDIRECTS) = !on;
+	IPV4_DEVCONF_ALL(net, ACCEPT_REDIRECTS) = !on;
 	IPV4_DEVCONF_DFLT(net, FORWARDING) = on;
 
 	read_lock(&dev_base_lock);
@@ -1360,7 +1360,7 @@
 	if (write && *valp != val) {
 		struct net *net = ctl->extra2;
 
-		if (valp == &IPV4_DEVCONF_ALL(FORWARDING))
+		if (valp == &IPV4_DEVCONF_ALL(net, FORWARDING))
 			inet_forward_change(net);
 		else if (valp != &IPV4_DEVCONF_DFLT(net, FORWARDING))
 			rt_cache_flush(0);
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index c560a93..d3d5906 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -130,12 +130,12 @@
  */
 
 #define IGMP_V1_SEEN(in_dev) \
-	(IPV4_DEVCONF_ALL(FORCE_IGMP_VERSION) == 1 || \
+	(IPV4_DEVCONF_ALL(in_dev->dev->nd_net, FORCE_IGMP_VERSION) == 1 || \
 	 IN_DEV_CONF_GET((in_dev), FORCE_IGMP_VERSION) == 1 || \
 	 ((in_dev)->mr_v1_seen && \
 	  time_before(jiffies, (in_dev)->mr_v1_seen)))
 #define IGMP_V2_SEEN(in_dev) \
-	(IPV4_DEVCONF_ALL(FORCE_IGMP_VERSION) == 2 || \
+	(IPV4_DEVCONF_ALL(in_dev->dev->nd_net, FORCE_IGMP_VERSION) == 2 || \
 	 IN_DEV_CONF_GET((in_dev), FORCE_IGMP_VERSION) == 2 || \
 	 ((in_dev)->mr_v2_seen && \
 	  time_before(jiffies, (in_dev)->mr_v2_seen)))
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 1187928..9947f52 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -849,7 +849,7 @@
 {
 	rtnl_lock();
 	if (sk == mroute_socket) {
-		IPV4_DEVCONF_ALL(MC_FORWARDING)--;
+		IPV4_DEVCONF_ALL(sk->sk_net, MC_FORWARDING)--;
 
 		write_lock_bh(&mrt_lock);
 		mroute_socket=NULL;
@@ -898,7 +898,7 @@
 			mroute_socket=sk;
 			write_unlock_bh(&mrt_lock);
 
-			IPV4_DEVCONF_ALL(MC_FORWARDING)++;
+			IPV4_DEVCONF_ALL(sk->sk_net, MC_FORWARDING)++;
 		}
 		rtnl_unlock();
 		return ret;
diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index ce34b28..41734db 100644
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -309,7 +309,8 @@
 		seq_printf(seq, " %s", snmp4_ipstats_list[i].name);
 
 	seq_printf(seq, "\nIp: %d %d",
-		   IPV4_DEVCONF_ALL(FORWARDING) ? 1 : 2, sysctl_ip_default_ttl);
+		   IPV4_DEVCONF_ALL(&init_net, FORWARDING) ? 1 : 2,
+		   sysctl_ip_default_ttl);
 
 	for (i = 0; snmp4_ipstats_list[i].name != NULL; i++)
 		seq_printf(seq, " %lu",
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 1b70ffd..36c7add 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2619,7 +2619,7 @@
 		__be32 dst = rt->rt_dst;
 
 		if (MULTICAST(dst) && !LOCAL_MCAST(dst) &&
-		    IPV4_DEVCONF_ALL(MC_FORWARDING)) {
+		    IPV4_DEVCONF_ALL(&init_net, MC_FORWARDING)) {
 			int err = ipmr_get_route(skb, r, nowait);
 			if (err <= 0) {
 				if (!nowait) {