acrn-kernel/net/6lowpan/nhc_ghc_udp.c

24 lines
571 B
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* 6LoWPAN UDP compression according to RFC7400
*/
#include "nhc.h"
#define LOWPAN_GHC_UDP_IDLEN 1
#define LOWPAN_GHC_UDP_ID_0 0xd0
#define LOWPAN_GHC_UDP_MASK_0 0xf8
static void udp_ghid_setup(struct lowpan_nhc *nhc)
{
nhc->id[0] = LOWPAN_GHC_UDP_ID_0;
nhc->idmask[0] = LOWPAN_GHC_UDP_MASK_0;
}
LOWPAN_NHC(ghc_udp, "RFC7400 UDP", NEXTHDR_UDP, 0,
udp_ghid_setup, LOWPAN_GHC_UDP_IDLEN, NULL, NULL);
module_lowpan_nhc(ghc_udp);
MODULE_DESCRIPTION("6LoWPAN generic header UDP compression");
MODULE_LICENSE("GPL");