linux/net/6lowpan/nhc_fragment.c
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   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 *      6LoWPAN IPv6 Fragment Header compression according to RFC6282
   4 */
   5
   6#include "nhc.h"
   7
   8#define LOWPAN_NHC_FRAGMENT_IDLEN       1
   9#define LOWPAN_NHC_FRAGMENT_ID_0        0xe4
  10#define LOWPAN_NHC_FRAGMENT_MASK_0      0xfe
  11
  12static void fragment_nhid_setup(struct lowpan_nhc *nhc)
  13{
  14        nhc->id[0] = LOWPAN_NHC_FRAGMENT_ID_0;
  15        nhc->idmask[0] = LOWPAN_NHC_FRAGMENT_MASK_0;
  16}
  17
  18LOWPAN_NHC(nhc_fragment, "RFC6282 Fragment", NEXTHDR_FRAGMENT, 0,
  19           fragment_nhid_setup, LOWPAN_NHC_FRAGMENT_IDLEN, NULL, NULL);
  20
  21module_lowpan_nhc(nhc_fragment);
  22MODULE_DESCRIPTION("6LoWPAN next header RFC6282 Fragment compression");
  23MODULE_LICENSE("GPL");
  24