Files
Linux_Drivers/linux_5.10/net/6lowpan/nhc_ghc_udp.c
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

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");