[linux.git] / net / ipv6 / exthdrs_offload.c

/*
 *	IPV6 GSO/GRO offload support
 *	Linux INET6 implementation
 *
 *	This program is free software; you can redistribute it and/or
 *      modify it under the terms of the GNU General Public License
 *      as published by the Free Software Foundation; either version
 *      2 of the License, or (at your option) any later version.
 *
 *      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:
	inet_del_offload(&rthdr_offload, IPPROTO_ROUTING);
	goto out;
}
Commit	Line	Data
2207afc8 VY	1	/*
	2	* IPV6 GSO/GRO offload support
	3	* Linux INET6 implementation
	4	*
	5	* This program is free software; you can redistribute it and/or
	6	* modify it under the terms of the GNU General Public License
	7	* as published by the Free Software Foundation; either version
	8	* 2 of the License, or (at your option) any later version.
	9	*
	10	* IPV6 Extension Header GSO/GRO support
	11	*/
	12	#include <net/protocol.h>
	13	#include "ip6_offload.h"
	14
	15	static const struct net_offload rthdr_offload = {
	16	.flags = INET6_PROTO_GSO_EXTHDR,
	17	};
	18
	19	static const struct net_offload dstopt_offload = {
	20	.flags = INET6_PROTO_GSO_EXTHDR,
	21	};
	22
	23	int __init ipv6_exthdrs_offload_init(void)
	24	{
	25	int ret;
	26
	27	ret = inet6_add_offload(&rthdr_offload, IPPROTO_ROUTING);
	28	if (!ret)
	29	goto out;
	30
	31	ret = inet6_add_offload(&dstopt_offload, IPPROTO_DSTOPTS);
	32	if (!ret)
	33	goto out_rt;
	34
	35	out:
	36	return ret;
	37
	38	out_rt:
	39	inet_del_offload(&rthdr_offload, IPPROTO_ROUTING);
	40	goto out;
	41	}