1 /*-
2 * Copyright (c) 2010 Bjoern A. Zeeb <bz@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD: stable/9/sys/net/if_debug.c 223735 2011-07-03 12:22:02Z bz $");
29
30 #include "opt_ddb.h"
31
32 #include <sys/param.h>
33 #include <sys/socket.h>
34 #include <sys/types.h>
35
36 #ifdef DDB
37 #include <ddb/ddb.h>
38 #endif
39
40 #include <net/if.h>
41 #include <net/if_types.h>
42 #include <net/if_var.h>
43 #include <net/vnet.h>
44
45 #ifdef DDB
46 struct ifindex_entry {
47 struct ifnet *ife_ifnet;
48 };
49 VNET_DECLARE(struct ifindex_entry *, ifindex_table);
50 #define V_ifindex_table VNET(ifindex_table)
51
52 static void
if_show_ifnet(struct ifnet * ifp)53 if_show_ifnet(struct ifnet *ifp)
54 {
55
56 if (ifp == NULL)
57 return;
58 db_printf("%s:\n", ifp->if_xname);
59 #define IF_DB_PRINTF(f, e) db_printf(" %s = " f "\n", #e, ifp->e);
60 IF_DB_PRINTF("%s", if_dname);
61 IF_DB_PRINTF("%d", if_dunit);
62 IF_DB_PRINTF("%s", if_description);
63 IF_DB_PRINTF("%u", if_index);
64 IF_DB_PRINTF("%u", if_refcount);
65 IF_DB_PRINTF("%d", if_index_reserved);
66 IF_DB_PRINTF("%p", if_softc);
67 IF_DB_PRINTF("%p", if_l2com);
68 IF_DB_PRINTF("%p", if_vnet);
69 IF_DB_PRINTF("%p", if_home_vnet);
70 IF_DB_PRINTF("%p", if_addr);
71 IF_DB_PRINTF("%p", if_llsoftc);
72 IF_DB_PRINTF("%p", if_label);
73 IF_DB_PRINTF("%u", if_pcount);
74 IF_DB_PRINTF("0x%08x", if_flags);
75 IF_DB_PRINTF("0x%08x", if_drv_flags);
76 IF_DB_PRINTF("0x%08x", if_capabilities);
77 IF_DB_PRINTF("0x%08x", if_capenable);
78 IF_DB_PRINTF("%p", if_snd.ifq_head);
79 IF_DB_PRINTF("%p", if_snd.ifq_tail);
80 IF_DB_PRINTF("%d", if_snd.ifq_len);
81 IF_DB_PRINTF("%d", if_snd.ifq_maxlen);
82 IF_DB_PRINTF("%d", if_snd.ifq_drops);
83 IF_DB_PRINTF("%p", if_snd.ifq_drv_head);
84 IF_DB_PRINTF("%p", if_snd.ifq_drv_tail);
85 IF_DB_PRINTF("%d", if_snd.ifq_drv_len);
86 IF_DB_PRINTF("%d", if_snd.ifq_drv_maxlen);
87 IF_DB_PRINTF("%d", if_snd.altq_type);
88 IF_DB_PRINTF("%x", if_snd.altq_flags);
89 IF_DB_PRINTF("%u", if_fib);
90 #undef IF_DB_PRINTF
91 }
92
DB_SHOW_COMMAND(ifnet,db_show_ifnet)93 DB_SHOW_COMMAND(ifnet, db_show_ifnet)
94 {
95
96 if (!have_addr) {
97 db_printf("usage: show ifnet <struct ifnet *>\n");
98 return;
99 }
100
101 if_show_ifnet((struct ifnet *)addr);
102 }
103
DB_SHOW_ALL_COMMAND(ifnets,db_show_all_ifnets)104 DB_SHOW_ALL_COMMAND(ifnets, db_show_all_ifnets)
105 {
106 VNET_ITERATOR_DECL(vnet_iter);
107 struct ifnet *ifp;
108 u_short idx;
109
110 VNET_FOREACH(vnet_iter) {
111 CURVNET_SET_QUIET(vnet_iter);
112 #ifdef VIMAGE
113 db_printf("vnet=%p\n", curvnet);
114 #endif
115 for (idx = 1; idx <= V_if_index; idx++) {
116 ifp = V_ifindex_table[idx].ife_ifnet;
117 if (ifp == NULL)
118 continue;
119 db_printf( "%20s ifp=%p\n", ifp->if_xname, ifp);
120 if (db_pager_quit)
121 break;
122 }
123 CURVNET_RESTORE();
124 }
125 }
126 #endif
127