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_FRAG_IDLEN 1 9#define LOWPAN_GHC_EXT_FRAG_ID_0 0xb4 10#define LOWPAN_GHC_EXT_FRAG_MASK_0 0xfe 11 12static void frag_ghid_setup(struct lowpan_nhc *nhc) 13{ 14 nhc->id[0] = LOWPAN_GHC_EXT_FRAG_ID_0; 15 nhc->idmask[0] = LOWPAN_GHC_EXT_FRAG_MASK_0; 16} 17 18LOWPAN_NHC(ghc_ext_frag, "RFC7400 Fragmentation Extension Header", 19 NEXTHDR_FRAGMENT, 0, frag_ghid_setup, 20 LOWPAN_GHC_EXT_FRAG_IDLEN, NULL, NULL); 21 22module_lowpan_nhc(ghc_ext_frag); 23MODULE_DESCRIPTION("6LoWPAN generic header fragmentation extension compression"); 24MODULE_LICENSE("GPL"); 25