* Allow filtering by ifa_family & ifa_index. * Add common RTM_<NEW|DEL|GET>ADDR parser * Add tests verifying RTM_GETADDR filtering behaviour & output * Factor out common netlink socket test methods into NetlinkTestTemplate * Add NLMSG_DONE message handler Reviewed By: pauamma Differential Revision: https://reviews.freebsd.org/D37970
91 lines
3.2 KiB
C
91 lines
3.2 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2022 Alexander V. Chernikov <melifaro@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Interface address-related (RTM_<NEW|DEL|GET>ADDR) message header and attributes.
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*/
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#ifndef _NETLINK_ROUTE_IFADDRS_H_
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#define _NETLINK_ROUTE_IFADDRS_H_
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/* Base header for all of the relevant messages */
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struct ifaddrmsg {
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uint8_t ifa_family; /* Address family */
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uint8_t ifa_prefixlen; /* Prefix length */
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uint8_t ifa_flags; /* Address-specific flags */
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uint8_t ifa_scope; /* Address scope */
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uint32_t ifa_index; /* Link ifindex */
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};
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#ifndef _KERNEL
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#define _NL_IFA_HDRLEN ((int)sizeof(struct ifaddrmsg))
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#define IFA_RTA(_ifa) ((struct rtattr *)(NL_ITEM_DATA(_ifa, _NL_IFA_HDRLEN)))
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#define IFA_PAYLOAD(_hdr) NLMSG_PAYLOAD(_hdr, _NL_IFA_HDRLEN)
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#endif
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/* Defined attributes */
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enum {
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IFA_UNSPEC,
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IFA_ADDRESS = 1, /* binary, prefix address (destination for p2p) */
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IFA_LOCAL = 2, /* binary, interface address */
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IFA_LABEL = 3, /* string, interface name */
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IFA_BROADCAST = 4, /* binary, broadcast ifa */
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IFA_ANYCAST = 5, /* not supported */
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IFA_CACHEINFO = 6, /* not supported */
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IFA_MULTICAST = 7, /* not supported */
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IFA_FLAGS = 8, /* not supported */
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IFA_RT_PRIORITY = 9, /* not supported */
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IFA_TARGET_NETNSID = 10, /* not supported */
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__IFA_MAX,
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};
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#define IFA_MAX (__IFA_MAX - 1)
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/* IFA_FLAGS attribute flags */
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#define IFA_F_SECONDARY 0x0001
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#define IFA_F_TEMPORARY IFA_F_SECONDARY
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#define IFA_F_NODAD 0x0002
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#define IFA_F_OPTIMISTIC 0x0004
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#define IFA_F_DADFAILED 0x0008
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#define IFA_F_HOMEADDRESS 0x0010
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#define IFA_F_DEPRECATED 0x0020
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#define IFA_F_TENTATIVE 0x0040
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#define IFA_F_PERMANENT 0x0080
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#define IFA_F_MANAGETEMPADDR 0x0100
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#define IFA_F_NOPREFIXROUTE 0x0200
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#define IFA_F_MCAUTOJOIN 0x0400
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#define IFA_F_STABLE_PRIVACY 0x0800
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/* IFA_CACHEINFO value */
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struct ifa_cacheinfo {
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uint32_t ifa_prefered;
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uint32_t ifa_valid;
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uint32_t cstamp;
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uint32_t tstamp;
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};
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#endif
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