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ipv4: Introduce ipip_offload_init helper function.

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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>
This commit is contained in:
Tonghao Zhang 2017-08-02 09:34:15 -07:00 committed by David S. Miller
parent eb48d68281
commit 93b1b31f87
1 changed files with 7 additions and 1 deletions
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8
net/ipv4/af_inet.c
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@ -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) 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__); pr_crit("%s: Cannot add UDP protocol offload\n", __func__);
if (tcpv4_offload_init() < 0) if (tcpv4_offload_init() < 0)
pr_crit("%s: Cannot add TCP protocol offload\n", __func__); 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); dev_add_offload(&ip_packet_offload);
inet_add_offload(&ipip_offload, IPPROTO_IPIP);
return 0; return 0;
} }