4770 soconfig(1M) needs an option to print the in-kernel socket configuration table

*** 18,27 ****
--- 18,28 ----
   *
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 1995, 2010, Oracle and/or its affiliates. All rights reserved.
+  * Copyright 2015 Nexenta Systems, Inc. All rights reserved.
   */
  
  #include <ctype.h>
  #include <dirent.h>
  #include <errno.h>
*** 52,61 ****
--- 53,65 ----
   *              registers
   *
   *      soconfig <fam> <type> <protocol>
   *              deregisters
   *
+  *      soconfig -l
+  *              print the in-kernel socket configuration table
+  *
   * Filter Operations (Consolidation Private):
   *
   *      soconfig -F <name> <modname> {auto [top | bottom | before:filter |
   *              after:filter] | prog} <fam>:<type>:<proto>,...
   *              configure filter
*** 77,86 ****
--- 81,92 ----
  
  static void     usage(void);
  
  static int      parse_filter_params(int argc, char **argv);
  
+ static int      print_socktable();
+ 
  int
  main(argc, argv)
          int argc;
          char *argv[];
  {
*** 92,101 ****
--- 98,112 ----
  #if !defined(TEXT_DOMAIN)
  #define TEXT_DOMAIN "SYS_TEST"
  #endif
          (void) textdomain(TEXT_DOMAIN);
  
+         if (argc == 1 && strcmp(argv[0], "-l") == 0) {
+                 ret = print_socktable();
+                 exit(ret);
+         }
+ 
          if (argc >= 2 && strcmp(argv[0], "-F") == 0) {
                  argc--; argv++;
                  ret = parse_filter_params(argc, argv);
                  exit(ret);
          }
*** 126,136 ****
  {
          fprintf(stderr, gettext(
              "Usage:     soconfig -d <dir>\n"
              "\tsoconfig -f <file>\n"
              "\tsoconfig <fam> <type> <protocol> <path|module>\n"
!             "\tsoconfig <fam> <type> <protocol>\n"));
  }
  
  /*
   * Parse all files in the given directory.
   */
--- 137,148 ----
  {
          fprintf(stderr, gettext(
              "Usage:     soconfig -d <dir>\n"
              "\tsoconfig -f <file>\n"
              "\tsoconfig <fam> <type> <protocol> <path|module>\n"
!             "\tsoconfig <fam> <type> <protocol>\n"
!             "\tsoconfig -l\n"));
  }
  
  /*
   * Parse all files in the given directory.
   */
*** 573,577 ****
--- 585,645 ----
                  return (1);
          }
          free(socktuples);
          return (0);
  }
+ 
+ /*
+  *  Print the in-kernel socket configuration table
+  */
+ 
+ static int
+ print_socktable()
+ {
+         sockconfig_socktable_t sc_table;
+         int i;
+ 
+         (void) memset(&sc_table, 0, sizeof (sockconfig_socktable_t));
+ 
+         /* get number of entries */
+         if (_sockconfig(SOCKCONFIG_GET_SOCKTABLE, &sc_table) == -1) {
+                 fprintf(stderr,
+                     gettext("cannot get in-kernel socket table: %s\n"),
+                     strerror(errno));
+                 return (-1);
+         }
+         if (sc_table.num_of_entries == 0)
+                 return (0);
+ 
+         sc_table.st_entries = calloc(sc_table.num_of_entries,
+             sizeof (sockconfig_socktable_entry_t));
+         if (sc_table.st_entries == NULL) {
+                 fprintf(stderr, gettext("out of memory\n"));
+                 return (-1);
+         }
+ 
+         /* get socket table entries */
+         if (_sockconfig(SOCKCONFIG_GET_SOCKTABLE, &sc_table) == -1) {
+                 fprintf(stderr,
+                     gettext("cannot get in-kernel socket table: %s\n"),
+                     strerror(errno));
+                 return (-1);
+         }
+ 
+         printf("%6s %4s %5s %15s %15s %6s %6s\n",
+             "FAMILY", "TYPE", "PROTO", "STRDEV", "SOCKMOD",
+             "REFS", "FLAGS");
+         for (i = 0; i < sc_table.num_of_entries; i++) {
+                 printf("%6u %4u %5u %15s %15s %6u %#6x\n",
+                     sc_table.st_entries[i].se_family,
+                     sc_table.st_entries[i].se_type,
+                     sc_table.st_entries[i].se_protocol,
+                     (strcmp(sc_table.st_entries[i].se_modname,
+                     "socktpi") == 0) ?
+                     sc_table.st_entries[i].se_strdev : "-",
+                     sc_table.st_entries[i].se_modname,
+                     sc_table.st_entries[i].se_refcnt,
+                     sc_table.st_entries[i].se_flags);
+         }
+         free(sc_table.st_entries);
+         return (0);
+ }