2019-05-27 13:55:01 +07:00
|
|
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
2015-12-10 04:46:27 +07:00
|
|
|
/*
|
|
|
|
* 6LoWPAN Extension Header compression according to RFC7400
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include "nhc.h"
|
|
|
|
|
|
|
|
#define LOWPAN_GHC_EXT_FRAG_IDLEN 1
|
|
|
|
#define LOWPAN_GHC_EXT_FRAG_ID_0 0xb4
|
|
|
|
#define LOWPAN_GHC_EXT_FRAG_MASK_0 0xfe
|
|
|
|
|
|
|
|
static void frag_ghid_setup(struct lowpan_nhc *nhc)
|
|
|
|
{
|
|
|
|
nhc->id[0] = LOWPAN_GHC_EXT_FRAG_ID_0;
|
|
|
|
nhc->idmask[0] = LOWPAN_GHC_EXT_FRAG_MASK_0;
|
|
|
|
}
|
|
|
|
|
|
|
|
LOWPAN_NHC(ghc_ext_frag, "RFC7400 Fragmentation Extension Header",
|
|
|
|
NEXTHDR_FRAGMENT, 0, frag_ghid_setup,
|
|
|
|
LOWPAN_GHC_EXT_FRAG_IDLEN, NULL, NULL);
|
|
|
|
|
|
|
|
module_lowpan_nhc(ghc_ext_frag);
|
|
|
|
MODULE_DESCRIPTION("6LoWPAN generic header fragmentation extension compression");
|
|
|
|
MODULE_LICENSE("GPL");
|