ipv4: Introduce ipip_offload_init helper function.
It's convenient to init ipip offload. We will check
the return value, and print KERN_CRIT info on failure.
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.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 f0103ff..683ffaf 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1765,6 +1765,11 @@ static const struct net_offload ipip_offload = {
},
};
+static int __init ipip_offload_init(void)
+{
+ return inet_add_offload(&ipip_offload, IPPROTO_IPIP);
+}
+
static int __init ipv4_offload_init(void)
{
/*
@@ -1774,9 +1779,10 @@ static int __init ipv4_offload_init(void)
pr_crit("%s: Cannot add UDP protocol offload\n", __func__);
if (tcpv4_offload_init() < 0)
pr_crit("%s: Cannot add TCP protocol offload\n", __func__);
+ if (ipip_offload_init() < 0)
+ pr_crit("%s: Cannot add IPIP protocol offload\n", __func__);
dev_add_offload(&ip_packet_offload);
- inet_add_offload(&ipip_offload, IPPROTO_IPIP);
return 0;
}