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- /*-
- * SPDX-License-Identifier: BSD-2-Clause
- *
- * Copyright (c) 2022 Alexander V. Chernikov <melifaro@FreeBSD.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
- /*
- * Interface address-related (RTM_<NEW|DEL|GET>ADDR) message header and attributes.
- */
- #ifndef _NETLINK_ROUTE_IFADDRS_H_
- #define _NETLINK_ROUTE_IFADDRS_H_
- /* Base header for all of the relevant messages */
- struct ifaddrmsg {
- uint8_t ifa_family; /* Address family */
- uint8_t ifa_prefixlen; /* Prefix length */
- uint8_t ifa_flags; /* Address-specific flags */
- uint8_t ifa_scope; /* Address scope */
- uint32_t ifa_index; /* Link ifindex */
- };
- #ifndef _KERNEL
- #define _NL_IFA_HDRLEN ((int)sizeof(struct ifaddrmsg))
- #define IFA_RTA(_ifa) ((struct rtattr *)(NL_ITEM_DATA(_ifa, _NL_IFA_HDRLEN)))
- #define IFA_PAYLOAD(_hdr) NLMSG_PAYLOAD(_hdr, _NL_IFA_HDRLEN)
- #endif
- /* Defined attributes */
- enum {
- IFA_UNSPEC,
- IFA_ADDRESS = 1, /* binary, prefix address (destination for p2p) */
- IFA_LOCAL = 2, /* binary, interface address */
- IFA_LABEL = 3, /* string, interface name */
- IFA_BROADCAST = 4, /* binary, broadcast ifa */
- IFA_ANYCAST = 5, /* not supported */
- IFA_CACHEINFO = 6, /* binary, struct ifa_cacheinfo */
- IFA_MULTICAST = 7, /* not supported */
- IFA_FLAGS = 8, /* u32, IFA_F flags */
- IFA_RT_PRIORITY = 9, /* not supported */
- IFA_TARGET_NETNSID = 10, /* not supported */
- IFA_FREEBSD = 11, /* nested, FreeBSD-specific */
- __IFA_MAX,
- };
- #define IFA_MAX (__IFA_MAX - 1)
- enum {
- IFAF_UNSPEC,
- IFAF_VHID = 1, /* u32: carp vhid */
- IFAF_FLAGS = 2, /* u32: FreeBSD-specific ifa flags */
- __IFAF_MAX,
- };
- #define IFAF_MAX (__IFAF_MAX - 1)
- /* IFA_FLAGS attribute flags */
- #define IFA_F_SECONDARY 0x0001
- #define IFA_F_TEMPORARY IFA_F_SECONDARY
- #define IFA_F_NODAD 0x0002
- #define IFA_F_OPTIMISTIC 0x0004
- #define IFA_F_DADFAILED 0x0008
- #define IFA_F_HOMEADDRESS 0x0010
- #define IFA_F_DEPRECATED 0x0020
- #define IFA_F_TENTATIVE 0x0040
- #define IFA_F_PERMANENT 0x0080
- #define IFA_F_MANAGETEMPADDR 0x0100
- #define IFA_F_NOPREFIXROUTE 0x0200
- #define IFA_F_MCAUTOJOIN 0x0400
- #define IFA_F_STABLE_PRIVACY 0x0800
- /* IFA_CACHEINFO value */
- struct ifa_cacheinfo {
- uint32_t ifa_prefered; /* seconds till the end of the prefix considered preferred */
- uint32_t ifa_valid; /* seconds till the end of the prefix considered valid */
- uint32_t cstamp; /* creation time in 1ms intervals from the boot time */
- uint32_t tstamp; /* update time in 1ms intervals from the boot time */
- };
- #endif
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