Jetpack/kernel/kernel-4.9/net/6lowpan/nhc_ghc_icmpv6.c

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/*
* 6LoWPAN ICMPv6 compression according to RFC7400
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#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");