6lowpan: iphc: reset mac_header after decompress to fix panic
[GitHub/LineageOS/android_kernel_motorola_exynos9610.git] / net / 6lowpan / nhc_hop.c
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");