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/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
/***
This file is part of systemd.
Copyright (C) 2014 Intel Corporation. All rights reserved.
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include "sd-ndisc.h"
#include "time-util.h"
struct sd_ndisc_router {
unsigned n_ref;
triple_timestamp timestamp;
struct in6_addr address;
/* The raw packet size. The data is appended to the object, accessible via NDIS_ROUTER_RAW() */
size_t raw_size;
/* The current read index for the iterative option interface */
size_t rindex;
uint64_t flags;
unsigned preference;
uint16_t lifetime;
uint8_t hop_limit;
uint32_t mtu;
};
static inline void* NDISC_ROUTER_RAW(const sd_ndisc_router *rt) {
return (uint8_t*) rt + ALIGN(sizeof(sd_ndisc_router));
}
static inline void *NDISC_ROUTER_OPTION_DATA(const sd_ndisc_router *rt) {
return ((uint8_t*) NDISC_ROUTER_RAW(rt)) + rt->rindex;
}
static inline uint8_t NDISC_ROUTER_OPTION_TYPE(const sd_ndisc_router *rt) {
return ((uint8_t*) NDISC_ROUTER_OPTION_DATA(rt))[0];
}
static inline size_t NDISC_ROUTER_OPTION_LENGTH(const sd_ndisc_router *rt) {
return ((uint8_t*) NDISC_ROUTER_OPTION_DATA(rt))[1] * 8;
}
sd_ndisc_router *ndisc_router_new(size_t raw_size);
int ndisc_router_parse(sd_ndisc_router *rt);
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