linux-sg2042/net/6lowpan/nhc_ghc_ext_frag.c

25 lines
682 B
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* 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");