1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2010 Bjoern A. Zeeb <bz@FreeBSD.org>
5 * 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 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD$");
31
32#include "opt_ddb.h"
33
34#include <sys/param.h>
35#include <sys/socket.h>
36#include <sys/types.h>
37
38#ifdef DDB
39#include <ddb/ddb.h>
40#endif
41
42#include <net/if.h>
43#include <net/if_types.h>
44#include <net/if_var.h>
45#include <net/vnet.h>
46
47#ifdef DDB
48struct ifindex_entry {
49	struct  ifnet *ife_ifnet;
50};
51VNET_DECLARE(struct ifindex_entry *, ifindex_table);
52#define	V_ifindex_table		VNET(ifindex_table)
53
54static void
55if_show_ifnet(struct ifnet *ifp)
56{
57
58	if (ifp == NULL)
59		return;
60	db_printf("%s:\n", ifp->if_xname);
61#define	IF_DB_PRINTF(f, e)	db_printf("   %s = " f "\n", #e, ifp->e);
62	IF_DB_PRINTF("%s", if_dname);
63	IF_DB_PRINTF("%d", if_dunit);
64	IF_DB_PRINTF("%s", if_description);
65	IF_DB_PRINTF("%u", if_index);
66	IF_DB_PRINTF("%u", if_refcount);
67	IF_DB_PRINTF("%d", if_index_reserved);
68	IF_DB_PRINTF("%p", if_softc);
69	IF_DB_PRINTF("%p", if_l2com);
70	IF_DB_PRINTF("%p", if_llsoftc);
71	IF_DB_PRINTF("%d", if_amcount);
72	IF_DB_PRINTF("%p", if_addr);
73	IF_DB_PRINTF("%p", if_broadcastaddr);
74	IF_DB_PRINTF("%p", if_afdata);
75	IF_DB_PRINTF("%d", if_afdata_initialized);
76	IF_DB_PRINTF("%u", if_fib);
77	IF_DB_PRINTF("%p", if_vnet);
78	IF_DB_PRINTF("%p", if_home_vnet);
79	IF_DB_PRINTF("%p", if_vlantrunk);
80	IF_DB_PRINTF("%p", if_bpf);
81	IF_DB_PRINTF("%u", if_pcount);
82	IF_DB_PRINTF("%p", if_bridge);
83	IF_DB_PRINTF("%p", if_lagg);
84	IF_DB_PRINTF("%p", if_pf_kif);
85	IF_DB_PRINTF("%p", if_carp);
86	IF_DB_PRINTF("%p", if_label);
87	IF_DB_PRINTF("%p", if_netmap);
88	IF_DB_PRINTF("0x%08x", if_flags);
89	IF_DB_PRINTF("0x%08x", if_drv_flags);
90	IF_DB_PRINTF("0x%08x", if_capabilities);
91	IF_DB_PRINTF("0x%08x", if_capenable);
92	IF_DB_PRINTF("%p", if_snd.ifq_head);
93	IF_DB_PRINTF("%p", if_snd.ifq_tail);
94	IF_DB_PRINTF("%d", if_snd.ifq_len);
95	IF_DB_PRINTF("%d", if_snd.ifq_maxlen);
96	IF_DB_PRINTF("%p", if_snd.ifq_drv_head);
97	IF_DB_PRINTF("%p", if_snd.ifq_drv_tail);
98	IF_DB_PRINTF("%d", if_snd.ifq_drv_len);
99	IF_DB_PRINTF("%d", if_snd.ifq_drv_maxlen);
100	IF_DB_PRINTF("%d", if_snd.altq_type);
101	IF_DB_PRINTF("%x", if_snd.altq_flags);
102#undef IF_DB_PRINTF
103}
104
105DB_SHOW_COMMAND(ifnet, db_show_ifnet)
106{
107
108	if (!have_addr) {
109		db_printf("usage: show ifnet <struct ifnet *>\n");
110		return;
111	}
112
113	if_show_ifnet((struct ifnet *)addr);
114}
115
116DB_SHOW_ALL_COMMAND(ifnets, db_show_all_ifnets)
117{
118	VNET_ITERATOR_DECL(vnet_iter);
119	struct ifnet *ifp;
120	u_short idx;
121
122	VNET_FOREACH(vnet_iter) {
123		CURVNET_SET_QUIET(vnet_iter);
124#ifdef VIMAGE
125		db_printf("vnet=%p\n", curvnet);
126#endif
127		for (idx = 1; idx <= V_if_index; idx++) {
128			ifp = V_ifindex_table[idx].ife_ifnet;
129			if (ifp == NULL)
130				continue;
131			db_printf( "%20s ifp=%p\n", ifp->if_xname, ifp);
132			if (db_pager_quit)
133				break;
134		}
135		CURVNET_RESTORE();
136	}
137}
138#endif
139