swh:1:snp:173f8deb0c56c557784b4fd217e7608ac6197844
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Tip revision: f40ddce88593482919761f74910f42f4b84c004b authored by Linus Torvalds on 14 February 2021, 22:32:24 UTC
Linux 5.11
Tip revision: f40ddce
nhc_hop.c
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *	6LoWPAN IPv6 Hop-by-Hop Options Header compression according to RFC6282
 */

#include "nhc.h"

#define LOWPAN_NHC_HOP_IDLEN	1
#define LOWPAN_NHC_HOP_ID_0	0xe0
#define LOWPAN_NHC_HOP_MASK_0	0xfe

static void hop_nhid_setup(struct lowpan_nhc *nhc)
{
	nhc->id[0] = LOWPAN_NHC_HOP_ID_0;
	nhc->idmask[0] = LOWPAN_NHC_HOP_MASK_0;
}

LOWPAN_NHC(nhc_hop, "RFC6282 Hop-by-Hop Options", NEXTHDR_HOP, 0,
	   hop_nhid_setup, LOWPAN_NHC_HOP_IDLEN, NULL, NULL);

module_lowpan_nhc(nhc_hop);
MODULE_DESCRIPTION("6LoWPAN next header RFC6282 Hop-by-Hop Options compression");
MODULE_LICENSE("GPL");
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