1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * 6LoWPAN UDP compression according to RFC7400 4 */ 5 6 #include "nhc.h" 7 8 #define LOWPAN_GHC_UDP_IDLEN 1 9 #define LOWPAN_GHC_UDP_ID_0 0xd0 10 #define LOWPAN_GHC_UDP_MASK_0 0xf8 11 12 static void udp_ghid_setup(struct lowpan_nhc *nhc) 13 { 14 nhc->id[0] = LOWPAN_GHC_UDP_ID_0; 15 nhc->idmask[0] = LOWPAN_GHC_UDP_MASK_0; 16 } 17 18 LOWPAN_NHC(ghc_udp, "RFC7400 UDP", NEXTHDR_UDP, 0, 19 udp_ghid_setup, LOWPAN_GHC_UDP_IDLEN, NULL, NULL); 20 21 module_lowpan_nhc(ghc_udp); 22 MODULE_DESCRIPTION("6LoWPAN generic header UDP compression"); 23 MODULE_LICENSE("GPL"); 24