FreeBSD/Linux Kernel Cross Reference
sys/net/if_debug.c

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * 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_llsoftc);
            IF_DB_PRINTF("%d", if_amcount);
            IF_DB_PRINTF("%p", if_addr);
            IF_DB_PRINTF("%p", if_broadcastaddr);
            IF_DB_PRINTF("%p", if_afdata);
            IF_DB_PRINTF("%d", if_afdata_initialized);
            IF_DB_PRINTF("%u", if_fib);
            IF_DB_PRINTF("%p", if_vnet);
            IF_DB_PRINTF("%p", if_home_vnet);
            IF_DB_PRINTF("%p", if_vlantrunk);
            IF_DB_PRINTF("%p", if_bpf);
            IF_DB_PRINTF("%u", if_pcount);
            IF_DB_PRINTF("%p", if_bridge);
            IF_DB_PRINTF("%p", if_lagg);
            IF_DB_PRINTF("%p", if_pf_kif);
            IF_DB_PRINTF("%p", if_carp);
            IF_DB_PRINTF("%p", if_label);
            IF_DB_PRINTF("%p", if_netmap);
            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("%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

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