usr/src/lib/librstp/common/stpmgmt.c

   1 /************************************************************************
   2  * RSTP library - Rapid Spanning Tree (802.1t, 802.1w)
   3  * Copyright (C) 2001-2003 Optical Access
   4  * Author: Alex Rozin
   5  *
   6  * This file is part of RSTP library.
   7  *
   8  * RSTP library is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU Lesser General Public License as published by the
  10  * Free Software Foundation; version 2.1
  11  *
  12  * RSTP library is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public License
  18  * along with RSTP library; see the file COPYING.  If not, write to the Free
  19  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  20  * 02111-1307, USA.
  21  **********************************************************************/
  22
  23 /* This file contains API from an operation system to the RSTP library */
  24
  25 #include "base.h"
  26 #include "stpm.h"
  27 #include "stp_in.h" /* for bridge defaults */
  28 #include "stp_to.h"
  29
  30
  31 int
  32 STP_IN_stpm_create (int vlan_id, char* name)
  33 {
  34   register STPM_T*  this;
  35   int               err_code;
  36   UID_STP_CFG_T         init_cfg;
  37
  38   stp_trace ("STP_IN_stpm_create(%s)", name);
  39
  40   init_cfg.field_mask = BR_CFG_ALL;
  41   STP_OUT_get_init_stpm_cfg (vlan_id, &init_cfg);
  42   init_cfg.field_mask = 0;
  43
  44   RSTP_CRITICAL_PATH_START;
  45   this = stp_in_stpm_create (vlan_id, name, &err_code);
  46   if (this) {
  47     this->BrId.prio = init_cfg.bridge_priority;
  48     this->BrTimes.MaxAge = init_cfg.max_age;
  49     this->BrTimes.HelloTime = init_cfg.hello_time;
  50     this->BrTimes.ForwardDelay = init_cfg.forward_delay;
  51     this->ForceVersion = (PROTOCOL_VERSION_T) init_cfg.force_version;
  52   }
  53
  54   RSTP_CRITICAL_PATH_END;
  55   return err_code;
  56 }
  57
  58 int
  59 STP_IN_stpm_delete (int vlan_id)
  60 {
  61   register STPM_T* this;
  62   int iret = 0;
  63
  64   RSTP_CRITICAL_PATH_START;
  65   this = stpapi_stpm_find (vlan_id);
  66
  67   if (! this) { /* it had not yet been created :( */
  68     iret = STP_Vlan_Had_Not_Yet_Been_Created;
  69   } else {
  70
  71     if (STP_ENABLED == this->admin_state) {
  72       if (0 != STP_stpm_enable (this, STP_DISABLED)) {/* can't disable :( */
  73         iret = STP_Another_Error;
  74       } else
  75         STP_OUT_set_hardware_mode (vlan_id, STP_DISABLED);
  76     }
  77
  78     if (0 == iret) {
  79       STP_stpm_delete (this);
  80     }
  81   }
  82   RSTP_CRITICAL_PATH_END;
  83   return iret;
  84 }
  85
  86 int
  87 STP_IN_stpm_get_vlan_id_by_name (char* name, int* vlan_id)
  88 {
  89   register STPM_T* stpm;
  90   int iret = STP_Cannot_Find_Vlan;
  91
  92   RSTP_CRITICAL_PATH_START;
  93   for (stpm = STP_stpm_get_the_list (); stpm; stpm = stpm->next) {
  94     if (stpm->name && ! strcmp (stpm->name, name)) {
  95       *vlan_id = stpm->vlan_id;
  96       iret = 0;
  97       break;
  98     }
  99   }
 100   RSTP_CRITICAL_PATH_END;
 101
 102   return iret;
 103 }
 104
 105
 106 Bool
 107 STP_IN_get_is_stpm_enabled (int vlan_id)
 108 {
 109   STPM_T* this;
 110   Bool iret = False;
 111
 112   RSTP_CRITICAL_PATH_START;
 113   this = stpapi_stpm_find (vlan_id);
 114
 115   if (this) {
 116     if (this->admin_state == STP_ENABLED) {
 117       iret = True;
 118     }
 119 #ifdef notdef
 120   } else {
 121     ;   /* it had not yet been created :( */
 122 #endif
 123   }
 124
 125   RSTP_CRITICAL_PATH_END;
 126   return iret;
 127 }
 128
 129 int
 130 STP_IN_stop_all (void)
 131 {
 132   register STPM_T* stpm;
 133
 134   RSTP_CRITICAL_PATH_START;
 135
 136   for (stpm = STP_stpm_get_the_list (); stpm; stpm = stpm->next) {
 137     if (STP_DISABLED != stpm->admin_state) {
 138       STP_OUT_set_hardware_mode (stpm->vlan_id, STP_DISABLED);
 139       (void) STP_stpm_enable (stpm, STP_DISABLED);
 140     }
 141   }
 142
 143   RSTP_CRITICAL_PATH_END;
 144   return 0;
 145 }
 146
 147 int
 148 STP_IN_delete_all (void)
 149 {
 150   register STPM_T* stpm;
 151
 152   RSTP_CRITICAL_PATH_START;
 153   for (stpm = STP_stpm_get_the_list (); stpm; stpm = stpm->next) {
 154     (void) STP_stpm_enable (stpm, STP_DISABLED);
 155     STP_stpm_delete (stpm);
 156   }
 157
 158   RSTP_CRITICAL_PATH_END;
 159   return 0;
 160 }
 161