// SPDX-License-Identifier: GPL-2.0-or-later

  /*
   *	6LoWPAN ICMPv6 compression according to RFC7400

   */
  
  #include "nhc.h"
  
  #define LOWPAN_GHC_ICMPV6_IDLEN		1
  #define LOWPAN_GHC_ICMPV6_ID_0		0xdf
  #define LOWPAN_GHC_ICMPV6_MASK_0	0xff
  
  static void icmpv6_ghid_setup(struct lowpan_nhc *nhc)
  {
  	nhc->id[0] = LOWPAN_GHC_ICMPV6_ID_0;
  	nhc->idmask[0] = LOWPAN_GHC_ICMPV6_MASK_0;
  }
  
  LOWPAN_NHC(ghc_icmpv6, "RFC7400 ICMPv6", NEXTHDR_ICMP, 0,
  	   icmpv6_ghid_setup, LOWPAN_GHC_ICMPV6_IDLEN, NULL, NULL);
  
  module_lowpan_nhc(ghc_icmpv6);
  MODULE_DESCRIPTION("6LoWPAN generic header ICMPv6 compression");
  MODULE_LICENSE("GPL");