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
11static const struct net_offload rthdr_offload = {
12 .flags = INET6_PROTO_GSO_EXTHDR,
13};
14
15static const struct net_offload dstopt_offload = {
16 .flags = INET6_PROTO_GSO_EXTHDR,
17};
18
19int __init ipv6_exthdrs_offload_init(void)
20{
21 int ret;
22
23 ret = inet6_add_offload(prot: &rthdr_offload, IPPROTO_ROUTING);
24 if (ret)
25 goto out;
26
27 ret = inet6_add_offload(prot: &dstopt_offload, IPPROTO_DSTOPTS);
28 if (ret)
29 goto out_rt;
30
31out:
32 return ret;
33
34out_rt:
35 inet6_del_offload(prot: &rthdr_offload, IPPROTO_ROUTING);
36 goto out;
37}
38

source code of linux/net/ipv6/exthdrs_offload.c