56b61ca27a
struct ifnet if_oqdrops. Some netgraph modules used ifqueue w/o ifnet. Accounting of queue drops is simply removed from them. There were no API to read this statistic. Sponsored by: Netflix Sponsored by: Nginx, Inc.
126 lines
3.6 KiB
C
126 lines
3.6 KiB
C
/*-
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* Copyright (c) 2010 Bjoern A. Zeeb <bz@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_ddb.h"
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#ifdef DDB
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#include <ddb/ddb.h>
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#endif
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#include <net/if.h>
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#include <net/if_types.h>
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#include <net/if_var.h>
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#include <net/vnet.h>
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#ifdef DDB
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struct ifindex_entry {
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struct ifnet *ife_ifnet;
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};
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VNET_DECLARE(struct ifindex_entry *, ifindex_table);
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#define V_ifindex_table VNET(ifindex_table)
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static void
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if_show_ifnet(struct ifnet *ifp)
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{
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if (ifp == NULL)
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return;
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db_printf("%s:\n", ifp->if_xname);
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#define IF_DB_PRINTF(f, e) db_printf(" %s = " f "\n", #e, ifp->e);
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IF_DB_PRINTF("%s", if_dname);
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IF_DB_PRINTF("%d", if_dunit);
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IF_DB_PRINTF("%s", if_description);
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IF_DB_PRINTF("%u", if_index);
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IF_DB_PRINTF("%u", if_refcount);
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IF_DB_PRINTF("%d", if_index_reserved);
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IF_DB_PRINTF("%p", if_softc);
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IF_DB_PRINTF("%p", if_l2com);
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IF_DB_PRINTF("%p", if_vnet);
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IF_DB_PRINTF("%p", if_home_vnet);
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IF_DB_PRINTF("%p", if_addr);
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IF_DB_PRINTF("%p", if_llsoftc);
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IF_DB_PRINTF("%p", if_label);
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IF_DB_PRINTF("%u", if_pcount);
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IF_DB_PRINTF("0x%08x", if_flags);
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IF_DB_PRINTF("0x%08x", if_drv_flags);
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IF_DB_PRINTF("0x%08x", if_capabilities);
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IF_DB_PRINTF("0x%08x", if_capenable);
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IF_DB_PRINTF("%p", if_snd.ifq_head);
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IF_DB_PRINTF("%p", if_snd.ifq_tail);
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IF_DB_PRINTF("%d", if_snd.ifq_len);
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IF_DB_PRINTF("%d", if_snd.ifq_maxlen);
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IF_DB_PRINTF("%p", if_snd.ifq_drv_head);
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IF_DB_PRINTF("%p", if_snd.ifq_drv_tail);
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IF_DB_PRINTF("%d", if_snd.ifq_drv_len);
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IF_DB_PRINTF("%d", if_snd.ifq_drv_maxlen);
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IF_DB_PRINTF("%d", if_snd.altq_type);
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IF_DB_PRINTF("%x", if_snd.altq_flags);
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IF_DB_PRINTF("%u", if_fib);
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#undef IF_DB_PRINTF
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}
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DB_SHOW_COMMAND(ifnet, db_show_ifnet)
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{
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if (!have_addr) {
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db_printf("usage: show ifnet <struct ifnet *>\n");
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return;
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}
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if_show_ifnet((struct ifnet *)addr);
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}
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DB_SHOW_ALL_COMMAND(ifnets, db_show_all_ifnets)
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{
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VNET_ITERATOR_DECL(vnet_iter);
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struct ifnet *ifp;
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u_short idx;
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VNET_FOREACH(vnet_iter) {
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CURVNET_SET_QUIET(vnet_iter);
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#ifdef VIMAGE
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db_printf("vnet=%p\n", curvnet);
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#endif
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for (idx = 1; idx <= V_if_index; idx++) {
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ifp = V_ifindex_table[idx].ife_ifnet;
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if (ifp == NULL)
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continue;
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db_printf( "%20s ifp=%p\n", ifp->if_xname, ifp);
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if (db_pager_quit)
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break;
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}
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CURVNET_RESTORE();
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}
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}
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#endif
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