1 | /* $NetBSD: route.h,v 1.2 2016/09/21 10:50:23 roy Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (c) 1980, 1986, 1993 |
5 | * The Regents of the University of California. All rights reserved. |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
9 | * are met: |
10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. |
12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
15 | * 3. Neither the name of the University nor the names of its contributors |
16 | * may be used to endorse or promote products derived from this software |
17 | * without specific prior written permission. |
18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
29 | * SUCH DAMAGE. |
30 | * |
31 | * @(#)route.h 8.5 (Berkeley) 2/8/95 |
32 | */ |
33 | |
34 | #ifndef _COMPAT_NET_ROUTE_H_ |
35 | #define _COMPAT_NET_ROUTE_H_ |
36 | |
37 | #include <sys/queue.h> |
38 | #include <sys/socket.h> |
39 | #include <sys/types.h> |
40 | #include <net/if.h> |
41 | |
42 | #if !(defined(_KERNEL) || defined(_STANDALONE)) |
43 | #include <stdbool.h> |
44 | #endif |
45 | |
46 | /* |
47 | * These numbers are used by reliable protocols for determining |
48 | * retransmission behavior and are included in the routing structure. |
49 | */ |
50 | struct rt_metrics50 { |
51 | u_long rmx_locks; /* Kernel must leave these values alone */ |
52 | u_long rmx_mtu; /* MTU for this path */ |
53 | u_long rmx_hopcount; /* max hops expected */ |
54 | u_long rmx_expire; /* lifetime for route, e.g. redirect */ |
55 | u_long rmx_recvpipe; /* inbound delay-bandwidth product */ |
56 | u_long rmx_sendpipe; /* outbound delay-bandwidth product */ |
57 | u_long rmx_ssthresh; /* outbound gateway buffer limit */ |
58 | u_long rmx_rtt; /* estimated round trip time */ |
59 | u_long rmx_rttvar; /* estimated rtt variance */ |
60 | u_long rmx_pksent; /* packets sent using this route */ |
61 | }; |
62 | |
63 | /* |
64 | * Structures for routing messages. |
65 | */ |
66 | struct rt_msghdr50 { |
67 | u_short rtm_msglen; /* to skip over non-understood messages */ |
68 | u_char rtm_version; /* future binary compatibility */ |
69 | u_char rtm_type; /* message type */ |
70 | u_short rtm_index; /* index for associated ifp */ |
71 | int rtm_flags; /* flags, incl. kern & message, e.g. DONE */ |
72 | int rtm_addrs; /* bitmask identifying sockaddrs in msg */ |
73 | pid_t rtm_pid; /* identify sender */ |
74 | int rtm_seq; /* for sender to identify action */ |
75 | int rtm_errno; /* why failed */ |
76 | int rtm_use; /* from rtentry */ |
77 | u_long rtm_inits; /* which metrics we are initializing */ |
78 | struct rt_metrics50 rtm_rmx; /* metrics themselves */ |
79 | }; |
80 | |
81 | #ifdef _KERNEL |
82 | extern struct route_info compat_50_route_info; |
83 | void compat_50_route_enqueue(struct mbuf *, int); |
84 | void compat_50_rt_ifannouncemsg(struct ifnet *, int); |
85 | void compat_50_rt_ieee80211msg(struct ifnet *, int, void *, size_t); |
86 | void compat_50_rt_ifmsg(struct ifnet *); |
87 | void compat_50_rt_missmsg(int, const struct rt_addrinfo *, int, int); |
88 | struct mbuf * |
89 | compat_50_rt_msg1(int, struct rt_addrinfo *, void *, int); |
90 | void compat_50_rt_newaddrmsg(int, struct ifaddr *, int, struct rtentry *); |
91 | void compat_70_rt_newaddrmsg1(int, struct ifaddr *); |
92 | #endif |
93 | |
94 | #define RTM_OVERSION 3 /* Up the ante and ignore older versions */ |
95 | |
96 | #define RT_OROUNDUP(a) RT_ROUNDUP2((a), sizeof(long)) |
97 | #define RT_OADVANCE(x, n) (x += RT_OROUNDUP((n)->sa_len)) |
98 | |
99 | #endif /* !_COMPAT_NET_ROUTE_H_ */ |
100 | |