xref: /OK3568_Linux_fs/kernel/net/6lowpan/nhc_dest.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  *	6LoWPAN IPv6 Destination Options Header compression according to
4*4882a593Smuzhiyun  *	RFC6282
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include "nhc.h"
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #define LOWPAN_NHC_DEST_IDLEN	1
10*4882a593Smuzhiyun #define LOWPAN_NHC_DEST_ID_0	0xe6
11*4882a593Smuzhiyun #define LOWPAN_NHC_DEST_MASK_0	0xfe
12*4882a593Smuzhiyun 
dest_nhid_setup(struct lowpan_nhc * nhc)13*4882a593Smuzhiyun static void dest_nhid_setup(struct lowpan_nhc *nhc)
14*4882a593Smuzhiyun {
15*4882a593Smuzhiyun 	nhc->id[0] = LOWPAN_NHC_DEST_ID_0;
16*4882a593Smuzhiyun 	nhc->idmask[0] = LOWPAN_NHC_DEST_MASK_0;
17*4882a593Smuzhiyun }
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun LOWPAN_NHC(nhc_dest, "RFC6282 Destination Options", NEXTHDR_DEST, 0,
20*4882a593Smuzhiyun 	   dest_nhid_setup, LOWPAN_NHC_DEST_IDLEN, NULL, NULL);
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun module_lowpan_nhc(nhc_dest);
23*4882a593Smuzhiyun MODULE_DESCRIPTION("6LoWPAN next header RFC6282 Destination Options compression");
24*4882a593Smuzhiyun MODULE_LICENSE("GPL");
25