net/6lowpan/nhc_fragment.c

   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
  12 static 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
  18 LOWPAN_NHC(nhc_fragment, "RFC6282 Fragment", NEXTHDR_FRAGMENT, 0,
  19            fragment_nhid_setup, LOWPAN_NHC_FRAGMENT_IDLEN, NULL, NULL);
  20
  21 module_lowpan_nhc(nhc_fragment);
  22 MODULE_DESCRIPTION("6LoWPAN next header RFC6282 Fragment compression");
  23 MODULE_LICENSE("GPL");