[mirror_ubuntu-jammy-kernel.git] / net / 6lowpan / nhc_ghc_udp.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *	6LoWPAN UDP compression according to RFC7400
 */

#include "nhc.h"

#define LOWPAN_GHC_UDP_IDLEN	1
#define LOWPAN_GHC_UDP_ID_0	0xd0
#define LOWPAN_GHC_UDP_MASK_0	0xf8

static void udp_ghid_setup(struct lowpan_nhc *nhc)
{
	nhc->id[0] = LOWPAN_GHC_UDP_ID_0;
	nhc->idmask[0] = LOWPAN_GHC_UDP_MASK_0;
}

LOWPAN_NHC(ghc_udp, "RFC7400 UDP", NEXTHDR_UDP, 0,
	   udp_ghid_setup, LOWPAN_GHC_UDP_IDLEN, NULL, NULL);

module_lowpan_nhc(ghc_udp);
MODULE_DESCRIPTION("6LoWPAN generic header UDP compression");
MODULE_LICENSE("GPL");
Commit	Line	Data
2874c5fd	1	// SPDX-License-Identifier: GPL-2.0-or-later
70cc8675 SS	2	/*
70cc8675 SS	3	* 6LoWPAN UDP compression according to RFC7400
70cc8675 SS	4	*/
	5
	6	#include "nhc.h"
	7
	8	#define LOWPAN_GHC_UDP_IDLEN 1
	9	#define LOWPAN_GHC_UDP_ID_0 0xd0
	10	#define LOWPAN_GHC_UDP_MASK_0 0xf8
	11
	12	static void udp_ghid_setup(struct lowpan_nhc *nhc)
	13	{
	14	nhc->id[0] = LOWPAN_GHC_UDP_ID_0;
	15	nhc->idmask[0] = LOWPAN_GHC_UDP_MASK_0;
	16	}
	17
	18	LOWPAN_NHC(ghc_udp, "RFC7400 UDP", NEXTHDR_UDP, 0,
	19	udp_ghid_setup, LOWPAN_GHC_UDP_IDLEN, NULL, NULL);
	20
	21	module_lowpan_nhc(ghc_udp);
	22	MODULE_DESCRIPTION("6LoWPAN generic header UDP compression");
	23	MODULE_LICENSE("GPL");