diff options
Diffstat (limited to 'sys/netinet/in_debug.c')
| -rw-r--r-- | sys/netinet/in_debug.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/sys/netinet/in_debug.c b/sys/netinet/in_debug.c new file mode 100644 index 0000000..0795fa8 --- /dev/null +++ b/sys/netinet/in_debug.c @@ -0,0 +1,117 @@ +/*- + * 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_subnet); + IA_DB_RPINTF("0x%08lx", ia_subnetmask); + 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 |
