linux/net/6lowpan/nhc_ipv6.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *	6LoWPAN IPv6 Header compression according to RFC6282
 */

#include "nhc.h"

#define LOWPAN_NHC_IPV6_IDLEN	1
#define LOWPAN_NHC_IPV6_ID_0	0xee
#define LOWPAN_NHC_IPV6_MASK_0	0xfe

static void ipv6_nhid_setup(struct lowpan_nhc *nhc)
{
	nhc->id[0] = LOWPAN_NHC_IPV6_ID_0;
	nhc->idmask[0] = LOWPAN_NHC_IPV6_MASK_0;
}

LOWPAN_NHC(nhc_ipv6, "RFC6282 IPv6", NEXTHDR_IPV6, 0, ipv6_nhid_setup,
	   LOWPAN_NHC_IPV6_IDLEN, NULL, NULL);

module_lowpan_nhc(nhc_ipv6);
MODULE_DESCRIPTION("6LoWPAN next header RFC6282 IPv6 compression");
MODULE_LICENSE("GPL");
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2019-05-27 06:55:01 +00:00			`// SPDX-License-Identifier: GPL-2.0-or-later`
6lowpan: nhc: add other known rfc6282 compressions This patch adds other known rfc6282 compression formats to the nhc framework. These compression formats are known but not implemented yet. For now this is useful to printout a warning which compression format isn't supported. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Cc: Martin Townsend <mtownsend1973@gmail.com> Reviewed-by: Stefan Schmidt <s.schmidt@samsung.com> Acked-by: Jukka Rissanen <jukka.rissanen@linux.intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> 2015-01-09 15:42:59 +00:00			`/*`
			`* 6LoWPAN IPv6 Header compression according to RFC6282`
			`*/`

			`#include "nhc.h"`

			`#define LOWPAN_NHC_IPV6_IDLEN 1`
			`#define LOWPAN_NHC_IPV6_ID_0 0xee`
			`#define LOWPAN_NHC_IPV6_MASK_0 0xfe`

			`static void ipv6_nhid_setup(struct lowpan_nhc *nhc)`
			`{`
			`nhc->id[0] = LOWPAN_NHC_IPV6_ID_0;`
			`nhc->idmask[0] = LOWPAN_NHC_IPV6_MASK_0;`
			`}`

			`LOWPAN_NHC(nhc_ipv6, "RFC6282 IPv6", NEXTHDR_IPV6, 0, ipv6_nhid_setup,`
			`LOWPAN_NHC_IPV6_IDLEN, NULL, NULL);`

			`module_lowpan_nhc(nhc_ipv6);`
			`MODULE_DESCRIPTION("6LoWPAN next header RFC6282 IPv6 compression");`
			`MODULE_LICENSE("GPL");`