1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * 6LoWPAN Extension Header compression according to RFC7400 4 */ 5 6#include "nhc.h" 7 8#define LOWPAN_GHC_EXT_HOP_IDLEN 1 9#define LOWPAN_GHC_EXT_HOP_ID_0 0xb0 10#define LOWPAN_GHC_EXT_HOP_MASK_0 0xfe 11 12static void hop_ghid_setup(struct lowpan_nhc *nhc) 13{ 14 nhc->id[0] = LOWPAN_GHC_EXT_HOP_ID_0; 15 nhc->idmask[0] = LOWPAN_GHC_EXT_HOP_MASK_0; 16} 17 18LOWPAN_NHC(ghc_ext_hop, "RFC7400 Hop-by-Hop Extension Header", NEXTHDR_HOP, 0, 19 hop_ghid_setup, LOWPAN_GHC_EXT_HOP_IDLEN, NULL, NULL); 20 21module_lowpan_nhc(ghc_ext_hop); 22MODULE_DESCRIPTION("6LoWPAN generic header hop-by-hop extension compression"); 23MODULE_LICENSE("GPL"); 24