1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #include <sys/types.h> 27 #include <sys/stropts.h> 28 #include <sys/socket.h> 29 #include <sys/socketvar.h> 30 31 #include <mdb/mdb_modapi.h> 32 #include <mdb/mdb_ks.h> 33 34 /* 35 * Look up the symbol name for the given sockparams list and walk 36 * all the entries. 37 */ 38 static boolean_t 39 sockparams_walk_list(const char *symname, int argc, const mdb_arg_t *argv) 40 { 41 GElf_Sym sym; 42 43 if (mdb_lookup_by_name(symname, &sym)) { 44 mdb_warn("can't find symbol %s", symname); 45 return (B_FALSE); 46 } 47 48 if (mdb_pwalk_dcmd("list", "sockfs`sockparams", argc, argv, 49 sym.st_value) != 0) { 50 mdb_warn("can't walk %s", symname); 51 return (B_FALSE); 52 } 53 54 return (B_TRUE); 55 } 56 57 /* 58 * dcmd to print sockparams info. 59 * 60 * If no address is given then the default is to print all sockparams on the 61 * global list (i.e., installed with soconfig(1)). To also print the ephemeral 62 * entries the '-e' flag should be used. Only ephemeral entries can be printed 63 * by specifying the '-E' flag. 64 */ 65 static int 66 sockparams_prt(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 67 { 68 struct sockparams sp; 69 70 if ((flags & DCMD_ADDRSPEC) == 0) { 71 uint_t opt_e = 0; 72 uint_t opt_E = 0; 73 74 /* 75 * Determine what lists should be printed 76 */ 77 if (mdb_getopts(argc, argv, 78 'e', MDB_OPT_SETBITS, 1, &opt_e, 79 'E', MDB_OPT_SETBITS, 1, &opt_E) != argc) 80 return (DCMD_USAGE); 81 82 if (!opt_E) { 83 if (!sockparams_walk_list("sphead", argc, argv)) 84 return (DCMD_ERR); 85 } 86 87 if (opt_e || opt_E) { 88 if (!sockparams_walk_list("sp_ephem_list", argc, argv)) 89 return (DCMD_ERR); 90 } 91 92 return (DCMD_OK); 93 } 94 95 /* 96 * If we are piping the output, then just print out the address, 97 * otherwise summarize the sockparams info. 98 */ 99 if ((flags & DCMD_PIPE_OUT) != 0) { 100 mdb_printf("%#lr\n", addr); 101 return (DCMD_OK); 102 } 103 104 if (DCMD_HDRSPEC(flags)) { 105 mdb_printf("%-?s %3s %3s %3s %15s %15s %6s %6s\n", 106 "ADDR", "FAM", "TYP", "PRO", "STRDEV", "SOCKMOD", "REFS", 107 "FLGS"); 108 } 109 110 if (mdb_vread(&sp, sizeof (sp), addr) == -1) { 111 mdb_warn("failed to read sockparams at %0?p", addr); 112 return (DCMD_ERR); 113 } 114 115 mdb_printf("%0?p %3u %3u %3u %15s %15s %6u %#6x\n", 116 addr, 117 sp.sp_family, sp.sp_type, sp.sp_protocol, 118 (sp.sp_sdev_info.sd_devpath != 0) ? 119 sp.sp_sdev_info.sd_devpath : "-", 120 sp.sp_smod_name, sp.sp_refcnt, 121 sp.sp_flags); 122 123 124 return (DCMD_OK); 125 } 126 127 /* 128 * Help function 129 */ 130 void 131 sockparams_help(void) 132 { 133 mdb_printf("Print sockparams information for a give sockparams ptr.\n" 134 "Without the address, list available sockparams. Default " 135 "behavior is to list only entries that were installed by the " 136 "admin (via soconfig(1M)).\n\n" 137 "Options:\n" 138 " -e:\t\tlist ephemeral sockparams\n" 139 " -E:\t\tonly list ephemeral sockparams\n"); 140 } 141 142 static const mdb_dcmd_t dcmds[] = { 143 { "sockparams", "[-eE]", "print sockparams", sockparams_prt, 144 sockparams_help }, 145 { NULL } 146 }; 147 148 static const mdb_modinfo_t modinfo = { MDB_API_VERSION, dcmds, NULL }; 149 150 const mdb_modinfo_t * 151 _mdb_init(void) 152 { 153 return (&modinfo); 154 } 155