xref: /freebsd/usr.bin/netstat/common.h (revision 4543ef516683042d46f3bd3bb8a4f3f746e00499)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1992, 1993
5  *	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 
32 #ifndef _NETSTAT_COMMON_H_
33 #define _NETSTAT_COMMON_H_
34 
35 struct bits {
36 	u_long	b_mask;
37 	char	b_val;
38 	const char *b_name;
39 };
40 extern struct bits rt_bits[];
41 
42 const char *fmt_flags(const struct bits *p, int f);
43 void print_flags_generic(int flags, const struct bits *pbits,
44     const char *format, const char *tag_name);
45 int p_sockaddr(const char *name, struct sockaddr *sa, struct sockaddr *mask,
46     int flags, int width);
47 
48 struct _wid {
49 	int dst;
50 	int gw;
51 	int flags;
52 	int pksent;
53 	int mtu;
54 	int iface;
55 	int expire;
56 };
57 void set_wid(int fam);
58 void pr_rthdr(int af1 __unused);
59 extern struct _wid wid;
60 void p_flags(int f, const char *format);
61 
62 bool p_rtable_netlink(int fibnum, int af);
63 
64 struct ifmap_entry {
65 	char ifname[IFNAMSIZ];
66 	uint32_t mtu;
67 };
68 
69 struct ifmap_entry *prepare_ifmap(size_t *ifmap_size);
70 extern const uint32_t rt_default_weight;
71 
72 struct rt_msghdr;
73 struct nhops_map {
74 	uint32_t		idx;
75 	struct rt_msghdr	*rtm;
76 };
77 
78 struct nhops_dump {
79 	void 		*nh_buf;
80 	struct nhops_map *nh_map;
81 	size_t		nh_count;
82 };
83 
84 void dump_nhops_sysctl(int fibnum, int af, struct nhops_dump *nd);
85 struct nhop_map;
86 void nhop_map_update(struct nhop_map *map, uint32_t idx, char *gw, char *ifname);
87 
88 
89 #endif
90 
91