linux-sg2042/net/6lowpan/nhc_ghc_icmpv6.c

24 lines
613 B
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* 6LoWPAN ICMPv6 compression according to RFC7400
*/
#include "nhc.h"
#define LOWPAN_GHC_ICMPV6_IDLEN 1
#define LOWPAN_GHC_ICMPV6_ID_0 0xdf
#define LOWPAN_GHC_ICMPV6_MASK_0 0xff
static void icmpv6_ghid_setup(struct lowpan_nhc *nhc)
{
nhc->id[0] = LOWPAN_GHC_ICMPV6_ID_0;
nhc->idmask[0] = LOWPAN_GHC_ICMPV6_MASK_0;
}
LOWPAN_NHC(ghc_icmpv6, "RFC7400 ICMPv6", NEXTHDR_ICMP, 0,
icmpv6_ghid_setup, LOWPAN_GHC_ICMPV6_IDLEN, NULL, NULL);
module_lowpan_nhc(ghc_icmpv6);
MODULE_DESCRIPTION("6LoWPAN generic header ICMPv6 compression");
MODULE_LICENSE("GPL");