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Diffstat (limited to 'usr.sbin/routed/interface.h')
| -rw-r--r-- | usr.sbin/routed/interface.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/usr.sbin/routed/interface.h b/usr.sbin/routed/interface.h new file mode 100644 index 0000000..fc576d4 --- /dev/null +++ b/usr.sbin/routed/interface.h @@ -0,0 +1,90 @@ +/* + * Copyright (c) 1983, 1993 + * The Regents of the University of California. All rights reserved. + * + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.h 8.1 (Berkeley) 6/5/93 + */ + +/* + * Routing table management daemon. + */ + +/* + * An ``interface'' is similar to an ifnet structure, + * except it doesn't contain q'ing info, and it also + * handles ``logical'' interfaces (remote gateways + * that we want to keep polling even if they go down). + * The list of interfaces which we maintain is used + * in supplying the gratuitous routing table updates. + */ +struct interface { + struct interface *int_next; + struct sockaddr int_addr; /* address on this host */ + union { + struct sockaddr intu_broadaddr; + struct sockaddr intu_dstaddr; + } int_intu; +#define int_broadaddr int_intu.intu_broadaddr /* broadcast address */ +#define int_dstaddr int_intu.intu_dstaddr /* other end of p-to-p link */ + int int_metric; /* init's routing entry */ + int int_flags; /* see below */ + /* START INTERNET SPECIFIC */ + u_long int_net; /* network # */ + u_long int_netmask; /* net mask for addr */ + u_long int_subnet; /* subnet # */ + u_long int_subnetmask; /* subnet mask for addr */ + /* END INTERNET SPECIFIC */ + struct ifdebug int_input, int_output; /* packet tracing stuff */ + int int_ipackets; /* input packets received */ + int int_opackets; /* output packets sent */ + char *int_name; /* from kernel if structure */ + u_short int_transitions; /* times gone up-down */ +}; + +/* + * 0x1 to 0x10 are reused from the kernel's ifnet definitions, + * the others agree with the RTS_ flags defined elsewhere. + */ +#define IFF_UP 0x1 /* interface is up */ +#define IFF_BROADCAST 0x2 /* broadcast address valid */ +#define IFF_DEBUG 0x4 /* turn on debugging */ +#define IFF_LOOPBACK 0x8 /* software loopback net */ +#define IFF_POINTOPOINT 0x10 /* interface is point-to-point link */ + +#define IFF_SUBNET 0x100000 /* interface on subnetted network */ +#define IFF_PASSIVE 0x200000 /* can't tell if up/down */ +#define IFF_INTERFACE 0x400000 /* hardware interface */ +#define IFF_REMOTE 0x800000 /* interface isn't on this machine */ + +struct interface *if_ifwithaddr(); +struct interface *if_ifwithdstaddr(); +struct interface *if_ifwithnet(); +struct interface *if_iflookup(); |
