| Thomas Gleixner | 2874c5f | 2019-05-27 08:55:01 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
| Stefan Schmidt | 2f47994 | 2015-12-09 22:46:27 +0100 | [diff] [blame] | 2 | /* |
| 3 | * 6LoWPAN Extension Header compression according to RFC7400 |
| Stefan Schmidt | 2f47994 | 2015-12-09 22:46:27 +0100 | [diff] [blame] | 4 | */ |
| 5 | |
| 6 | #include "nhc.h" |
| 7 | |
| 8 | #define LOWPAN_GHC_EXT_FRAG_IDLEN 1 |
| 9 | #define LOWPAN_GHC_EXT_FRAG_ID_0 0xb4 |
| 10 | #define LOWPAN_GHC_EXT_FRAG_MASK_0 0xfe |
| 11 | |
| 12 | static void frag_ghid_setup(struct lowpan_nhc *nhc) |
| 13 | { |
| 14 | nhc->id[0] = LOWPAN_GHC_EXT_FRAG_ID_0; |
| 15 | nhc->idmask[0] = LOWPAN_GHC_EXT_FRAG_MASK_0; |
| 16 | } |
| 17 | |
| 18 | LOWPAN_NHC(ghc_ext_frag, "RFC7400 Fragmentation Extension Header", |
| 19 | NEXTHDR_FRAGMENT, 0, frag_ghid_setup, |
| 20 | LOWPAN_GHC_EXT_FRAG_IDLEN, NULL, NULL); |
| 21 | |
| 22 | module_lowpan_nhc(ghc_ext_frag); |
| 23 | MODULE_DESCRIPTION("6LoWPAN generic header fragmentation extension compression"); |
| 24 | MODULE_LICENSE("GPL"); |