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Add initial inet DDB support for show in_ifaddr and show sin commands which

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proved to be useful while debugging address list problems.

MFC after:	6 days
This commit is contained in:
bz 2010-10-24 22:02:36 +00:00
parent bab8c13c62
commit 520543ca43
2 changed files with 121 additions and 0 deletions
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1
sys/conf/files
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@ -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

120
sys/netinet/in_debug.c Normal file
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@ -0,0 +1,120 @@
/*-
* Copyright (c) 2010 Bjoern A. Zeeb <bz@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