swh:1:snp:173f8deb0c56c557784b4fd217e7608ac6197844
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Tip revision: bcf876870b95592b52519ed4aafcf9d95999bc9c authored by Linus Torvalds on 02 August 2020, 21:21:45 UTC
Linux 5.8
Tip revision: bcf8768
exthdrs_offload.c
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *	IPV6 GSO/GRO offload support
 *	Linux INET6 implementation
 *
 *      IPV6 Extension Header GSO/GRO support
 */
#include <net/protocol.h>
#include "ip6_offload.h"

static const struct net_offload rthdr_offload = {
	.flags		=	INET6_PROTO_GSO_EXTHDR,
};

static const struct net_offload dstopt_offload = {
	.flags		=	INET6_PROTO_GSO_EXTHDR,
};

int __init ipv6_exthdrs_offload_init(void)
{
	int ret;

	ret = inet6_add_offload(&rthdr_offload, IPPROTO_ROUTING);
	if (ret)
		goto out;

	ret = inet6_add_offload(&dstopt_offload, IPPROTO_DSTOPTS);
	if (ret)
		goto out_rt;

out:
	return ret;

out_rt:
	inet6_del_offload(&rthdr_offload, IPPROTO_ROUTING);
	goto out;
}
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