/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2007 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #pragma ident "%Z%%M% %I% %E% SMI" #include <mdb/mdb_modapi.h> #include <mdb/mdb_ks.h> #include <mdb/mdb_ctf.h> #include <sys/types.h> #include <sys/netstack.h> int netstack_walk_init(mdb_walk_state_t *wsp) { GElf_Sym sym; uintptr_t addr; if (mdb_lookup_by_name("netstack_head", &sym) == -1) { mdb_warn("couldn't find netstack_head"); return (WALK_ERR); } addr = (uintptr_t)sym.st_value; if (mdb_vread(&wsp->walk_addr, sizeof (wsp->walk_addr), addr) == -1) { mdb_warn("failed to read address of initial netstack " "at %p", addr); return (WALK_ERR); } return (WALK_NEXT); } int netstack_walk_step(mdb_walk_state_t *wsp) { int status; netstack_t nss; if (wsp->walk_addr == NULL) return (WALK_DONE); if (mdb_vread(&nss, sizeof (netstack_t), wsp->walk_addr) == -1) { mdb_warn("failed to read netstack at %p", wsp->walk_addr); return (WALK_ERR); } status = wsp->walk_callback(wsp->walk_addr, &nss, wsp->walk_cbdata); if (status != WALK_NEXT) return (status); wsp->walk_addr = (uintptr_t)nss.netstack_next; return (status); } /*ARGSUSED*/ int netstack(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { netstack_t nss; uint_t quiet = FALSE; uint_t verbose = FALSE; if (!(flags & DCMD_ADDRSPEC)) { if (mdb_walk_dcmd("genunix`netstack", "genunix`netstack", argc, argv) == -1) { mdb_warn("failed to walk netstack"); return (DCMD_ERR); } return (DCMD_OK); } if (mdb_getopts(argc, argv, 'v', MDB_OPT_SETBITS, TRUE, &verbose, 'q', MDB_OPT_SETBITS, TRUE, &quiet, NULL) != argc) return (DCMD_USAGE); if (DCMD_HDRSPEC(flags) && !quiet) { mdb_printf("%?s %-7s %6s\n", "ADDR", "STACKID", "FLAGS"); } if (mdb_vread(&nss, sizeof (nss), addr) == -1) { mdb_warn("couldn't read netstack at %p", addr); return (DCMD_ERR); } /* * Options are specified for filtering, so If any option is specified on * the command line, just print address and exit. */ if (quiet) { mdb_printf("%0?p\n", addr); return (DCMD_OK); } mdb_printf("%0?p %6d %06x\n", addr, nss.netstack_stackid, nss.netstack_flags); return (DCMD_OK); }