FreeBSD/Linux Kernel Cross Reference
sys/netinet/in_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: releng/12.0/sys/netinet/in_debug.c 334193 2018-05-24 23:21:23Z mmacy $");
    
    #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.cstqe_next);
            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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