[linux-2.6-block.git] / net / 6lowpan / nhc_ghc_icmpv6.c

// 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");
Commit	Line	Data
2874c5fd	1	// SPDX-License-Identifier: GPL-2.0-or-later
c39da3bb SS	2	/*
c39da3bb SS	3	* 6LoWPAN ICMPv6 compression according to RFC7400
c39da3bb SS	4	*/
	5
	6	#include "nhc.h"
	7
	8	#define LOWPAN_GHC_ICMPV6_IDLEN 1
	9	#define LOWPAN_GHC_ICMPV6_ID_0 0xdf
	10	#define LOWPAN_GHC_ICMPV6_MASK_0 0xff
	11
	12	static void icmpv6_ghid_setup(struct lowpan_nhc *nhc)
	13	{
	14	nhc->id[0] = LOWPAN_GHC_ICMPV6_ID_0;
	15	nhc->idmask[0] = LOWPAN_GHC_ICMPV6_MASK_0;
	16	}
	17
	18	LOWPAN_NHC(ghc_icmpv6, "RFC7400 ICMPv6", NEXTHDR_ICMP, 0,
	19	icmpv6_ghid_setup, LOWPAN_GHC_ICMPV6_IDLEN, NULL, NULL);
	20
	21	module_lowpan_nhc(ghc_icmpv6);
	22	MODULE_DESCRIPTION("6LoWPAN generic header ICMPv6 compression");
	23	MODULE_LICENSE("GPL");