diff options
Diffstat (limited to 'sys/net/if_debug.c')
| -rw-r--r-- | sys/net/if_debug.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/sys/net/if_debug.c b/sys/net/if_debug.c new file mode 100644 index 0000000..dcf504e --- /dev/null +++ b/sys/net/if_debug.c @@ -0,0 +1,125 @@ +/*- + * 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/socket.h> +#include <sys/types.h> + +#ifdef DDB +#include <ddb/ddb.h> +#endif + +#include <net/if.h> +#include <net/if_types.h> +#include <net/if_var.h> +#include <net/vnet.h> + +#ifdef DDB +struct ifindex_entry { + struct ifnet *ife_ifnet; +}; +VNET_DECLARE(struct ifindex_entry *, ifindex_table); +#define V_ifindex_table VNET(ifindex_table) + +static void +if_show_ifnet(struct ifnet *ifp) +{ + + if (ifp == NULL) + return; + db_printf("%s:\n", ifp->if_xname); +#define IF_DB_PRINTF(f, e) db_printf(" %s = " f "\n", #e, ifp->e); + IF_DB_PRINTF("%s", if_dname); + IF_DB_PRINTF("%d", if_dunit); + IF_DB_PRINTF("%s", if_description); + IF_DB_PRINTF("%u", if_index); + IF_DB_PRINTF("%u", if_refcount); + IF_DB_PRINTF("%d", if_index_reserved); + IF_DB_PRINTF("%p", if_softc); + IF_DB_PRINTF("%p", if_l2com); + IF_DB_PRINTF("%p", if_vnet); + IF_DB_PRINTF("%p", if_home_vnet); + IF_DB_PRINTF("%p", if_addr); + IF_DB_PRINTF("%p", if_llsoftc); + IF_DB_PRINTF("%p", if_label); + IF_DB_PRINTF("%u", if_pcount); + IF_DB_PRINTF("0x%08x", if_flags); + IF_DB_PRINTF("0x%08x", if_drv_flags); + IF_DB_PRINTF("0x%08x", if_capabilities); + IF_DB_PRINTF("0x%08x", if_capenable); + IF_DB_PRINTF("%p", if_snd.ifq_head); + IF_DB_PRINTF("%p", if_snd.ifq_tail); + IF_DB_PRINTF("%d", if_snd.ifq_len); + IF_DB_PRINTF("%d", if_snd.ifq_maxlen); + IF_DB_PRINTF("%d", if_snd.ifq_drops); + IF_DB_PRINTF("%p", if_snd.ifq_drv_head); + IF_DB_PRINTF("%p", if_snd.ifq_drv_tail); + IF_DB_PRINTF("%d", if_snd.ifq_drv_len); + IF_DB_PRINTF("%d", if_snd.ifq_drv_maxlen); + IF_DB_PRINTF("%d", if_snd.altq_type); + IF_DB_PRINTF("%x", if_snd.altq_flags); +#undef IF_DB_PRINTF +} + +DB_SHOW_COMMAND(ifnet, db_show_ifnet) +{ + + if (!have_addr) { + db_printf("usage: show ifnet <struct ifnet *>\n"); + return; + } + + if_show_ifnet((struct ifnet *)addr); +} + +DB_SHOW_ALL_COMMAND(ifnets, db_show_all_ifnets) +{ + VNET_ITERATOR_DECL(vnet_iter); + struct ifnet *ifp; + u_short idx; + + VNET_FOREACH(vnet_iter) { + CURVNET_SET_QUIET(vnet_iter); +#ifdef VIMAGE + db_printf("vnet=%p\n", curvnet); +#endif + for (idx = 1; idx <= V_if_index; idx++) { + ifp = V_ifindex_table[idx].ife_ifnet; + if (ifp == NULL) + continue; + db_printf( "%20s ifp=%p\n", ifp->if_xname, ifp); + if (db_pager_quit) + break; + } + CURVNET_RESTORE(); + } +} +#endif |
