xref: /linux/net/6lowpan/nhc_routing.c (revision 58b3bafff8257c6946df5d6aeb215b8ac839ed2a)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *	6LoWPAN IPv6 Routing Header compression according to RFC6282
4  */
5 
6 #include "nhc.h"
7 
8 #define LOWPAN_NHC_ROUTING_IDLEN	1
9 #define LOWPAN_NHC_ROUTING_ID_0		0xe2
10 #define LOWPAN_NHC_ROUTING_MASK_0	0xfe
11 
12 static void routing_nhid_setup(struct lowpan_nhc *nhc)
13 {
14 	nhc->id[0] = LOWPAN_NHC_ROUTING_ID_0;
15 	nhc->idmask[0] = LOWPAN_NHC_ROUTING_MASK_0;
16 }
17 
18 LOWPAN_NHC(nhc_routing, "RFC6282 Routing", NEXTHDR_ROUTING, 0,
19 	   routing_nhid_setup, LOWPAN_NHC_ROUTING_IDLEN, NULL, NULL);
20 
21 module_lowpan_nhc(nhc_routing);
22 MODULE_DESCRIPTION("6LoWPAN next header RFC6282 Routing compression");
23 MODULE_LICENSE("GPL");
24