// 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");