[linux.git] / include / net / rpl.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 *  RPL implementation
 *
 *  Author:
 *  (C) 2020 Alexander Aring <[email protected]>
 */

#ifndef _NET_RPL_H
#define _NET_RPL_H

#include <linux/rpl.h>

#if IS_ENABLED(CONFIG_IPV6_RPL_LWTUNNEL)
extern int rpl_init(void);
extern void rpl_exit(void);
#else
static inline int rpl_init(void)
{
	return 0;
}

static inline void rpl_exit(void) {}
#endif

/* Worst decompression memory usage ipv6 address (16) + pad 7 */
#define IPV6_RPL_SRH_WORST_SWAP_SIZE (sizeof(struct in6_addr) + 7)

size_t ipv6_rpl_srh_size(unsigned char n, unsigned char cmpri,
			 unsigned char cmpre);

void ipv6_rpl_srh_decompress(struct ipv6_rpl_sr_hdr *outhdr,
			     const struct ipv6_rpl_sr_hdr *inhdr,
			     const struct in6_addr *daddr, unsigned char n);

void ipv6_rpl_srh_compress(struct ipv6_rpl_sr_hdr *outhdr,
			   const struct ipv6_rpl_sr_hdr *inhdr,
			   const struct in6_addr *daddr, unsigned char n);

#endif /* _NET_RPL_H */
Commit	Line	Data
8610c7c6 AA	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
	2	/*
	3	* RPL implementation
	4	*
	5	* Author:
	6	* (C) 2020 Alexander Aring <[email protected]>
	7	*/
	8
	9	#ifndef _NET_RPL_H
	10	#define _NET_RPL_H
	11
	12	#include <linux/rpl.h>
	13
a7a29f9c AA	14	#if IS_ENABLED(CONFIG_IPV6_RPL_LWTUNNEL)
	15	extern int rpl_init(void);
	16	extern void rpl_exit(void);
	17	#else
	18	static inline int rpl_init(void)
	19	{
	20	return 0;
	21	}
	22
	23	static inline void rpl_exit(void) {}
	24	#endif
	25
8610c7c6 AA	26	/* Worst decompression memory usage ipv6 address (16) + pad 7 */
	27	#define IPV6_RPL_SRH_WORST_SWAP_SIZE (sizeof(struct in6_addr) + 7)
	28
8610c7c6 AA	29	size_t ipv6_rpl_srh_size(unsigned char n, unsigned char cmpri,
	30	unsigned char cmpre);
	31
	32	void ipv6_rpl_srh_decompress(struct ipv6_rpl_sr_hdr *outhdr,
	33	const struct ipv6_rpl_sr_hdr *inhdr,
	34	const struct in6_addr *daddr, unsigned char n);
	35
	36	void ipv6_rpl_srh_compress(struct ipv6_rpl_sr_hdr *outhdr,
	37	const struct ipv6_rpl_sr_hdr *inhdr,
	38	const struct in6_addr *daddr, unsigned char n);
	39
	40	#endif /* _NET_RPL_H */