xref: /linux/net/6lowpan/nhc_hop.c (revision b7019ac550eb3916f34d79db583e9b7ea2524afa)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *	6LoWPAN IPv6 Hop-by-Hop Options Header compression according to RFC6282
4  */
5 
6 #include "nhc.h"
7 
8 #define LOWPAN_NHC_HOP_IDLEN	1
9 #define LOWPAN_NHC_HOP_ID_0	0xe0
10 #define LOWPAN_NHC_HOP_MASK_0	0xfe
11 
12 static void hop_nhid_setup(struct lowpan_nhc *nhc)
13 {
14 	nhc->id[0] = LOWPAN_NHC_HOP_ID_0;
15 	nhc->idmask[0] = LOWPAN_NHC_HOP_MASK_0;
16 }
17 
18 LOWPAN_NHC(nhc_hop, "RFC6282 Hop-by-Hop Options", NEXTHDR_HOP, 0,
19 	   hop_nhid_setup, LOWPAN_NHC_HOP_IDLEN, NULL, NULL);
20 
21 module_lowpan_nhc(nhc_hop);
22 MODULE_DESCRIPTION("6LoWPAN next header RFC6282 Hop-by-Hop Options compression");
23 MODULE_LICENSE("GPL");
24