linux/net/ipv6/rpl.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Authors:
 * (C) 2020 Alexander Aring <[email protected]>
 */

#include <net/ipv6.h>
#include <net/rpl.h>

#define IPV6_PFXTAIL_LEN(x) …
#define IPV6_RPL_BEST_ADDR_COMPRESSION …

static void ipv6_rpl_addr_decompress(struct in6_addr *dst,
				     const struct in6_addr *daddr,
				     const void *post, unsigned char pfx)
{ … }

static void ipv6_rpl_addr_compress(void *dst, const struct in6_addr *addr,
				   unsigned char pfx)
{ … }

static void *ipv6_rpl_segdata_pos(const struct ipv6_rpl_sr_hdr *hdr, int i)
{ … }

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)
{ … }

static unsigned char ipv6_rpl_srh_calc_cmpri(const struct ipv6_rpl_sr_hdr *inhdr,
					     const struct in6_addr *daddr,
					     unsigned char n)
{ … }

static unsigned char ipv6_rpl_srh_calc_cmpre(const struct in6_addr *daddr,
					     const struct in6_addr *last_segment)
{ … }

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)
{ … }