linux/net/6lowpan/nhc_ghc_ext_hop.c

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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* 6LoWPAN Extension Header compression according to RFC7400
*/
#include "nhc.h"
#define LOWPAN_GHC_EXT_HOP_IDLEN 1
#define LOWPAN_GHC_EXT_HOP_ID_0 0xb0
#define LOWPAN_GHC_EXT_HOP_MASK_0 0xfe
static void hop_ghid_setup(struct lowpan_nhc *nhc)
{
nhc->id[0] = LOWPAN_GHC_EXT_HOP_ID_0;
nhc->idmask[0] = LOWPAN_GHC_EXT_HOP_MASK_0;
}
LOWPAN_NHC(ghc_ext_hop, "RFC7400 Hop-by-Hop Extension Header", NEXTHDR_HOP, 0,
hop_ghid_setup, LOWPAN_GHC_EXT_HOP_IDLEN, NULL, NULL);
module_lowpan_nhc(ghc_ext_hop);
MODULE_DESCRIPTION("6LoWPAN generic header hop-by-hop extension compression");
MODULE_LICENSE("GPL");