xref: /openbmc/linux/net/6lowpan/nhc_hop.c (revision 9cfc5c90)
1 /*
2  *	6LoWPAN IPv6 Hop-by-Hop Options Header compression according to RFC6282
3  *
4  *	This program is free software; you can redistribute it and/or
5  *	modify it under the terms of the GNU General Public License
6  *	as published by the Free Software Foundation; either version
7  *	2 of the License, or (at your option) any later version.
8  */
9 
10 #include "nhc.h"
11 
12 #define LOWPAN_NHC_HOP_IDLEN	1
13 #define LOWPAN_NHC_HOP_ID_0	0xe0
14 #define LOWPAN_NHC_HOP_MASK_0	0xfe
15 
16 static void hop_nhid_setup(struct lowpan_nhc *nhc)
17 {
18 	nhc->id[0] = LOWPAN_NHC_HOP_ID_0;
19 	nhc->idmask[0] = LOWPAN_NHC_HOP_MASK_0;
20 }
21 
22 LOWPAN_NHC(nhc_hop, "RFC6282 Hop-by-Hop Options", NEXTHDR_HOP, 0,
23 	   hop_nhid_setup, LOWPAN_NHC_HOP_IDLEN, NULL, NULL);
24 
25 module_lowpan_nhc(nhc_hop);
26 MODULE_DESCRIPTION("6LoWPAN next header RFC6282 Hop-by-Hop Options compression");
27 MODULE_LICENSE("GPL");
28