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1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  *  RPL implementation
4  *
5  *  Author:
6  *  (C) 2020 Alexander Aring <alex.aring@gmail.com>
7  */
8 
9 #ifndef _NET_RPL_H
10 #define _NET_RPL_H
11 
12 #include <linux/rpl.h>
13 
14 #if IS_ENABLED(CONFIG_IPV6_RPL_LWTUNNEL)
15 extern int rpl_init(void);
16 extern void rpl_exit(void);
17 #else
rpl_init(void)18 static inline int rpl_init(void)
19 {
20 	return 0;
21 }
22 
rpl_exit(void)23 static inline void rpl_exit(void) {}
24 #endif
25 
26 size_t ipv6_rpl_srh_size(unsigned char n, unsigned char cmpri,
27 			 unsigned char cmpre);
28 
29 void ipv6_rpl_srh_decompress(struct ipv6_rpl_sr_hdr *outhdr,
30 			     const struct ipv6_rpl_sr_hdr *inhdr,
31 			     const struct in6_addr *daddr, unsigned char n);
32 
33 void ipv6_rpl_srh_compress(struct ipv6_rpl_sr_hdr *outhdr,
34 			   const struct ipv6_rpl_sr_hdr *inhdr,
35 			   const struct in6_addr *daddr, unsigned char n);
36 
37 #endif /* _NET_RPL_H */
38