10f1702c5SYu Xiangning /*
20f1702c5SYu Xiangning * CDDL HEADER START
30f1702c5SYu Xiangning *
40f1702c5SYu Xiangning * The contents of this file are subject to the terms of the
50f1702c5SYu Xiangning * Common Development and Distribution License (the "License").
60f1702c5SYu Xiangning * You may not use this file except in compliance with the License.
70f1702c5SYu Xiangning *
80f1702c5SYu Xiangning * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
90f1702c5SYu Xiangning * or http://www.opensolaris.org/os/licensing.
100f1702c5SYu Xiangning * See the License for the specific language governing permissions
110f1702c5SYu Xiangning * and limitations under the License.
120f1702c5SYu Xiangning *
130f1702c5SYu Xiangning * When distributing Covered Code, include this CDDL HEADER in each
140f1702c5SYu Xiangning * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
150f1702c5SYu Xiangning * If applicable, add the following below this CDDL HEADER, with the
160f1702c5SYu Xiangning * fields enclosed by brackets "[]" replaced with your own identifying
170f1702c5SYu Xiangning * information: Portions Copyright [yyyy] [name of copyright owner]
180f1702c5SYu Xiangning *
190f1702c5SYu Xiangning * CDDL HEADER END
200f1702c5SYu Xiangning */
210f1702c5SYu Xiangning /*
220f1702c5SYu Xiangning * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
230f1702c5SYu Xiangning * Use is subject to license terms.
243b442230SJordan Paige Hendricks *
253b442230SJordan Paige Hendricks * Copyright 2019 Joyent, Inc.
260f1702c5SYu Xiangning */
270f1702c5SYu Xiangning
280f1702c5SYu Xiangning #include <sys/types.h>
290f1702c5SYu Xiangning #include <sys/stropts.h>
300f1702c5SYu Xiangning #include <sys/socket.h>
310f1702c5SYu Xiangning #include <sys/socketvar.h>
320f1702c5SYu Xiangning
330f1702c5SYu Xiangning #include <mdb/mdb_modapi.h>
340f1702c5SYu Xiangning #include <mdb/mdb_ks.h>
350f1702c5SYu Xiangning
360f1702c5SYu Xiangning /*
370f1702c5SYu Xiangning * Look up the symbol name for the given sockparams list and walk
380f1702c5SYu Xiangning * all the entries.
390f1702c5SYu Xiangning */
400f1702c5SYu Xiangning static boolean_t
sockparams_walk_list(const char * symname,int argc,const mdb_arg_t * argv)410f1702c5SYu Xiangning sockparams_walk_list(const char *symname, int argc, const mdb_arg_t *argv)
420f1702c5SYu Xiangning {
430f1702c5SYu Xiangning GElf_Sym sym;
440f1702c5SYu Xiangning
450f1702c5SYu Xiangning if (mdb_lookup_by_name(symname, &sym)) {
460f1702c5SYu Xiangning mdb_warn("can't find symbol %s", symname);
470f1702c5SYu Xiangning return (B_FALSE);
480f1702c5SYu Xiangning }
490f1702c5SYu Xiangning
500f1702c5SYu Xiangning if (mdb_pwalk_dcmd("list", "sockfs`sockparams", argc, argv,
510f1702c5SYu Xiangning sym.st_value) != 0) {
520f1702c5SYu Xiangning mdb_warn("can't walk %s", symname);
530f1702c5SYu Xiangning return (B_FALSE);
540f1702c5SYu Xiangning }
550f1702c5SYu Xiangning
560f1702c5SYu Xiangning return (B_TRUE);
570f1702c5SYu Xiangning }
580f1702c5SYu Xiangning
590f1702c5SYu Xiangning /*
600f1702c5SYu Xiangning * dcmd to print sockparams info.
610f1702c5SYu Xiangning *
620f1702c5SYu Xiangning * If no address is given then the default is to print all sockparams on the
630f1702c5SYu Xiangning * global list (i.e., installed with soconfig(1)). To also print the ephemeral
640f1702c5SYu Xiangning * entries the '-e' flag should be used. Only ephemeral entries can be printed
650f1702c5SYu Xiangning * by specifying the '-E' flag.
660f1702c5SYu Xiangning */
670f1702c5SYu Xiangning static int
sockparams_prt(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)680f1702c5SYu Xiangning sockparams_prt(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
690f1702c5SYu Xiangning {
700f1702c5SYu Xiangning struct sockparams sp;
712e3183c0SAndrey Sokolov char strdev[MAXPATHLEN];
722e3183c0SAndrey Sokolov char sockmod[MODMAXNAMELEN];
730f1702c5SYu Xiangning
740f1702c5SYu Xiangning if ((flags & DCMD_ADDRSPEC) == 0) {
750f1702c5SYu Xiangning uint_t opt_e = 0;
760f1702c5SYu Xiangning uint_t opt_E = 0;
770f1702c5SYu Xiangning
780f1702c5SYu Xiangning /*
790f1702c5SYu Xiangning * Determine what lists should be printed
800f1702c5SYu Xiangning */
810f1702c5SYu Xiangning if (mdb_getopts(argc, argv,
820f1702c5SYu Xiangning 'e', MDB_OPT_SETBITS, 1, &opt_e,
833b442230SJordan Paige Hendricks 'E', MDB_OPT_SETBITS, 1, &opt_E, NULL) != argc)
840f1702c5SYu Xiangning return (DCMD_USAGE);
850f1702c5SYu Xiangning
860f1702c5SYu Xiangning if (!opt_E) {
870f1702c5SYu Xiangning if (!sockparams_walk_list("sphead", argc, argv))
880f1702c5SYu Xiangning return (DCMD_ERR);
890f1702c5SYu Xiangning }
900f1702c5SYu Xiangning
910f1702c5SYu Xiangning if (opt_e || opt_E) {
920f1702c5SYu Xiangning if (!sockparams_walk_list("sp_ephem_list", argc, argv))
930f1702c5SYu Xiangning return (DCMD_ERR);
940f1702c5SYu Xiangning }
950f1702c5SYu Xiangning
960f1702c5SYu Xiangning return (DCMD_OK);
970f1702c5SYu Xiangning }
980f1702c5SYu Xiangning
990f1702c5SYu Xiangning /*
1000f1702c5SYu Xiangning * If we are piping the output, then just print out the address,
1010f1702c5SYu Xiangning * otherwise summarize the sockparams info.
1020f1702c5SYu Xiangning */
1030f1702c5SYu Xiangning if ((flags & DCMD_PIPE_OUT) != 0) {
1040f1702c5SYu Xiangning mdb_printf("%#lr\n", addr);
1050f1702c5SYu Xiangning return (DCMD_OK);
1060f1702c5SYu Xiangning }
1070f1702c5SYu Xiangning
1080f1702c5SYu Xiangning if (DCMD_HDRSPEC(flags)) {
1090f1702c5SYu Xiangning mdb_printf("%-?s %3s %3s %3s %15s %15s %6s %6s\n",
1100f1702c5SYu Xiangning "ADDR", "FAM", "TYP", "PRO", "STRDEV", "SOCKMOD", "REFS",
1110f1702c5SYu Xiangning "FLGS");
1120f1702c5SYu Xiangning }
1130f1702c5SYu Xiangning
1140f1702c5SYu Xiangning if (mdb_vread(&sp, sizeof (sp), addr) == -1) {
1150f1702c5SYu Xiangning mdb_warn("failed to read sockparams at %0?p", addr);
1160f1702c5SYu Xiangning return (DCMD_ERR);
1170f1702c5SYu Xiangning }
1180f1702c5SYu Xiangning
1192e3183c0SAndrey Sokolov if ((sp.sp_sdev_info.sd_devpath == NULL) ||
1202e3183c0SAndrey Sokolov (mdb_readstr(strdev, sizeof (strdev),
1212e3183c0SAndrey Sokolov (uintptr_t)sp.sp_sdev_info.sd_devpath) <= 0))
1222e3183c0SAndrey Sokolov strcpy(strdev, "-");
1232e3183c0SAndrey Sokolov if (mdb_readstr(sockmod, sizeof (sockmod),
1242e3183c0SAndrey Sokolov (uintptr_t)sp.sp_smod_name) <= 0)
1252e3183c0SAndrey Sokolov strcpy(sockmod, "");
1262e3183c0SAndrey Sokolov
1270f1702c5SYu Xiangning mdb_printf("%0?p %3u %3u %3u %15s %15s %6u %#6x\n",
1280f1702c5SYu Xiangning addr,
1290f1702c5SYu Xiangning sp.sp_family, sp.sp_type, sp.sp_protocol,
1302e3183c0SAndrey Sokolov strdev, sockmod, sp.sp_refcnt,
1310f1702c5SYu Xiangning sp.sp_flags);
1320f1702c5SYu Xiangning
1330f1702c5SYu Xiangning
1340f1702c5SYu Xiangning return (DCMD_OK);
1350f1702c5SYu Xiangning }
1360f1702c5SYu Xiangning
1370f1702c5SYu Xiangning /*
1380f1702c5SYu Xiangning * Help function
1390f1702c5SYu Xiangning */
1400f1702c5SYu Xiangning void
sockparams_help(void)1410f1702c5SYu Xiangning sockparams_help(void)
1420f1702c5SYu Xiangning {
1430f1702c5SYu Xiangning mdb_printf("Print sockparams information for a give sockparams ptr.\n"
1440f1702c5SYu Xiangning "Without the address, list available sockparams. Default "
1450f1702c5SYu Xiangning "behavior is to list only entries that were installed by the "
146*bbf21555SRichard Lowe "admin (via soconfig(8)).\n\n"
1470f1702c5SYu Xiangning "Options:\n"
1480f1702c5SYu Xiangning " -e:\t\tlist ephemeral sockparams\n"
1490f1702c5SYu Xiangning " -E:\t\tonly list ephemeral sockparams\n");
1500f1702c5SYu Xiangning }
1510f1702c5SYu Xiangning
1520f1702c5SYu Xiangning static const mdb_dcmd_t dcmds[] = {
1530f1702c5SYu Xiangning { "sockparams", "[-eE]", "print sockparams", sockparams_prt,
1540f1702c5SYu Xiangning sockparams_help },
1550f1702c5SYu Xiangning { NULL }
1560f1702c5SYu Xiangning };
1570f1702c5SYu Xiangning
1580f1702c5SYu Xiangning static const mdb_modinfo_t modinfo = { MDB_API_VERSION, dcmds, NULL };
1590f1702c5SYu Xiangning
1600f1702c5SYu Xiangning const mdb_modinfo_t *
_mdb_init(void)1610f1702c5SYu Xiangning _mdb_init(void)
1620f1702c5SYu Xiangning {
1630f1702c5SYu Xiangning return (&modinfo);
1640f1702c5SYu Xiangning }
165