xref: /openbmc/linux/net/ipv6/exthdrs_offload.c (revision 2874c5fd) 
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *	IPV6 GSO/GRO offload support
4  *	Linux INET6 implementation
5  *
6  *      IPV6 Extension Header GSO/GRO support
7  */
8 #include <net/protocol.h>
9 #include "ip6_offload.h"
10 
11 static const struct net_offload rthdr_offload = {
12 	.flags		=	INET6_PROTO_GSO_EXTHDR,
13 };
14 
15 static const struct net_offload dstopt_offload = {
16 	.flags		=	INET6_PROTO_GSO_EXTHDR,
17 };
18 
ipv6_exthdrs_offload_init(void)19 int __init ipv6_exthdrs_offload_init(void)
20 {
21 	int ret;
22 
23 	ret = inet6_add_offload(&rthdr_offload, IPPROTO_ROUTING);
24 	if (ret)
25 		goto out;
26 
27 	ret = inet6_add_offload(&dstopt_offload, IPPROTO_DSTOPTS);
28 	if (ret)
29 		goto out_rt;
30 
31 out:
32 	return ret;
33 
34 out_rt:
35 	inet6_del_offload(&rthdr_offload, IPPROTO_ROUTING);
36 	goto out;
37 }
38