1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#include <sys/types.h>
27#include <sys/rwlock.h>
28#include <mdb/mdb_modapi.h>
29#include <sys/queue.h>
30#include <sys/neti.h>
31
32
33/*
34 * PROT_LENGTH is the max length. If the true length is bigger
35 * it is truncated.
36 */
37#define	PROT_LENGTH 32
38
39/*
40 * List pfhooks netinfo information.
41 */
42/*ARGSUSED*/
43int
44netinfolist(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
45{
46	struct neti_stack *nts;
47	struct netd_listhead nlh;
48	struct net_data nd, *p;
49	char str[PROT_LENGTH];
50
51	if (argc)
52		return (DCMD_USAGE);
53
54	if (mdb_vread((void *)&nts, sizeof (nts),
55	    (uintptr_t)(addr + OFFSETOF(netstack_t, netstack_neti))) == -1) {
56		mdb_warn("couldn't read netstack_neti");
57		return (DCMD_ERR);
58	}
59
60	if (mdb_vread((void *)&nlh, sizeof (nlh), (uintptr_t)((uintptr_t)nts +
61	    OFFSETOF(neti_stack_t, nts_netd_head))) == -1) {
62		mdb_warn("couldn't read netd list head");
63		return (DCMD_ERR);
64	}
65	mdb_printf("%<u>%?s %?s %10s%</u>\n",
66	    "ADDR(netinfo)", "ADDR(hookevent)", "netinfo");
67	p = LIST_FIRST(&nlh);
68	while (p) {
69		if (mdb_vread((void *)&nd, sizeof (nd), (uintptr_t)p) == -1) {
70			mdb_warn("couldn't read netinfo at %p", p);
71			return (DCMD_ERR);
72		}
73		if (!nd.netd_info.netp_name) {
74			mdb_warn("netinfo at %p has null protocol",
75			    nd.netd_info.netp_name);
76			return (DCMD_ERR);
77		}
78		if (mdb_readstr((char *)str, sizeof (str),
79		    (uintptr_t)nd.netd_info.netp_name) == -1) {
80			mdb_warn("couldn't read protocol at %p",
81			    nd.netd_info.netp_name);
82			return (DCMD_ERR);
83		}
84
85		mdb_printf("%0?p %0?p %10s\n",
86		    (char *)p + (uintptr_t)&((struct net_data *)0)->netd_info,
87		    nd.netd_hooks, str);
88
89		p = LIST_NEXT(&nd, netd_list);
90	}
91
92	return (DCMD_OK);
93}
94
95static const mdb_dcmd_t dcmds[] = {
96	{ "netinfolist", "", "display netinfo information",
97		netinfolist, NULL },
98	{ NULL }
99};
100
101static const mdb_modinfo_t modinfo = { MDB_API_VERSION, dcmds };
102
103const mdb_modinfo_t *
104_mdb_init(void)
105{
106	return (&modinfo);
107}
108