ipv4: Pull GSO registration out of inet_init()

Since GSO/GRO support is now separated, make IPv4 GSO a
stand-alone init call and not part of inet_init().

Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 66f63ce..9f2e7fd 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1665,11 +1665,6 @@
  *	IP protocol layer initialiser
  */
 
-static struct packet_type ip_packet_type __read_mostly = {
-	.type = cpu_to_be16(ETH_P_IP),
-	.func = ip_rcv,
-};
-
 static struct packet_offload ip_packet_offload __read_mostly = {
 	.type = cpu_to_be16(ETH_P_IP),
 	.gso_send_check = inet_gso_send_check,
@@ -1678,6 +1673,27 @@
 	.gro_complete = inet_gro_complete,
 };
 
+static int __init ipv4_offload_init(void)
+{
+	/*
+	 * Add offloads
+	 */
+	if (inet_add_offload(&udp_offload, IPPROTO_UDP) < 0)
+		pr_crit("%s: Cannot add UDP protocol offload\n", __func__);
+	if (inet_add_offload(&tcp_offload, IPPROTO_TCP) < 0)
+		pr_crit("%s: Cannot add TCP protocol offlaod\n", __func__);
+
+	dev_add_offload(&ip_packet_offload);
+	return 0;
+}
+
+fs_initcall(ipv4_offload_init);
+
+static struct packet_type ip_packet_type __read_mostly = {
+	.type = cpu_to_be16(ETH_P_IP),
+	.func = ip_rcv,
+};
+
 static int __init inet_init(void)
 {
 	struct sk_buff *dummy_skb;
@@ -1720,14 +1736,6 @@
 	tcp_prot.sysctl_mem = init_net.ipv4.sysctl_tcp_mem;
 
 	/*
-	 * Add offloads
-	 */
-	if (inet_add_offload(&udp_offload, IPPROTO_UDP) < 0)
-		pr_crit("%s: Cannot add UDP protocol offload\n", __func__);
-	if (inet_add_offload(&tcp_offload, IPPROTO_TCP) < 0)
-		pr_crit("%s: Cannot add TCP protocol offlaod\n", __func__);
-
-	/*
 	 *	Add all the base protocols.
 	 */
 
@@ -1799,7 +1807,6 @@
 
 	ipfrag_init();
 
-	dev_add_offload(&ip_packet_offload);
 	dev_add_pack(&ip_packet_type);
 
 	rc = 0;