Author: bz
Date: Sun Oct 24 22:02:36 2010
New Revision: 214303
URL: http://svn.freebsd.org/changeset/base/214303
Log:
Add initial inet DDB support for show in_ifaddr and show sin commands which
proved to be useful while debugging address list problems.
MFC after: 6 days
Added:
head/sys/netinet/in_debug.c (contents, props changed)
Modified:
head/sys/conf/files
Modified: head/sys/conf/files
==============================================================================
--- head/sys/conf/files Sun Oct 24 21:59:51 2010 (r214302)
+++ head/sys/conf/files Sun Oct 24 22:02:36 2010 (r214303)
@@ -2559,6 +2559,7 @@ netinet/if_atm.c optional atm
netinet/if_ether.c optional inet ether
netinet/igmp.c optional inet
netinet/in.c optional inet
+netinet/in_debug.c optional inet ddb
netinet/ip_carp.c optional inet carp | inet6 carp
netinet/in_gif.c optional gif inet | netgraph_gif inet
netinet/ip_gre.c optional gre inet
Added: head/sys/netinet/in_debug.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/netinet/in_debug.c Sun Oct 24 22:02:36 2010 (r214303)
@@ -0,0 +1,120 @@
+/*-
+ * Copyright (c) 2010 Bjoern A. Zeeb <b...@freebsd.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include "opt_ddb.h"
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/socket.h>
+
+#ifdef DDB
+#include <ddb/ddb.h>
+#endif
+
+#include <net/if.h>
+#include <net/if_var.h>
+
+#include <netinet/in.h>
+#include <netinet/in_var.h>
+
+#ifdef DDB
+static void
+in_show_sockaddr_in(struct sockaddr_in *sin)
+{
+
+#define SIN_DB_RPINTF(f, e) db_printf("\t %s = " f "\n", #e,
sin->e);
+ db_printf("\tsockaddr_in = %p\n", sin);
+ SIN_DB_RPINTF("%u", sin_len);
+ SIN_DB_RPINTF("%u", sin_family);
+ SIN_DB_RPINTF("%u", sin_port);
+ SIN_DB_RPINTF("0x%08x", sin_addr.s_addr);
+ db_printf("\t %s = %02x%02x%02x%02x%02x%02x%02x%02x\n",
+ "sin_zero[8]",
+ sin->sin_zero[0], sin->sin_zero[1],
+ sin->sin_zero[2], sin->sin_zero[3],
+ sin->sin_zero[4], sin->sin_zero[5],
+ sin->sin_zero[6], sin->sin_zero[7]);
+#undef SIN_DB_RPINTF
+}
+
+DB_SHOW_COMMAND(sin, db_show_sin)
+{
+ struct sockaddr_in *sin;
+
+ sin = (struct sockaddr_in *)addr;
+ if (sin == NULL) {
+ /* usage: No need to confess if you didn't sin. */
+ db_printf("usage: show sin <struct sockaddr_in *>\n");
+ return;
+ }
+
+ in_show_sockaddr_in(sin);
+}
+
+static void
+in_show_in_ifaddr(struct in_ifaddr *ia)
+{
+
+#define IA_DB_RPINTF(f, e) db_printf("\t %s = " f "\n", #e,
ia->e);
+#define IA_DB_RPINTF_PTR(f, e) db_printf("\t %s = " f "\n", #e,
&ia->e);
+#define IA_DB_RPINTF_DPTR(f, e) db_printf("\t *%s = " f "\n", #e,
*ia->e);
+ db_printf("\tin_ifaddr = %p\n", ia);
+ IA_DB_RPINTF_PTR("%p", ia_ifa);
+ IA_DB_RPINTF("0x%08lx", ia_net);
+ IA_DB_RPINTF("0x%08lx", ia_netmask);
+ IA_DB_RPINTF("0x%08lx", ia_subnet);
+ IA_DB_RPINTF("0x%08lx", ia_subnetmask);
+ IA_DB_RPINTF("0x%08x", ia_netbroadcast.s_addr);
+ IA_DB_RPINTF("%p", ia_hash.le_next);
+ IA_DB_RPINTF("%p", ia_hash.le_prev);
+ IA_DB_RPINTF_DPTR("%p", ia_hash.le_prev);
+ IA_DB_RPINTF("%p", ia_link.tqe_next);
+ IA_DB_RPINTF("%p", ia_link.tqe_prev);
+ IA_DB_RPINTF_DPTR("%p", ia_link.tqe_prev);
+ IA_DB_RPINTF_PTR("%p", ia_addr);
+ IA_DB_RPINTF_PTR("%p", ia_dstaddr);
+ IA_DB_RPINTF_PTR("%p", ia_sockmask);
+#undef IA_DB_RPINTF_DPTR
+#undef IA_DB_RPINTF_PTR
+#undef IA_DB_RPINTF
+}
+
+DB_SHOW_COMMAND(in_ifaddr, db_show_in_ifaddr)
+{
+ struct in_ifaddr *ia;
+
+ ia = (struct in_ifaddr *)addr;
+ if (ia == NULL) {
+ db_printf("usage: show in_ifaddr <struct in_ifaddr *>\n");
+ return;
+ }
+
+ in_show_in_ifaddr(ia);
+}
+#endif
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