rstplib/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, BITMAP_T* port_bmp)
  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, port_bmp, &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 #ifdef ORIG
  54 #else
  55   if (this->admin_state != STP_ENABLED)
  56     err_code = STP_stpm_enable(this, STP_ENABLED);
  57 #endif
  58
  59   RSTP_CRITICAL_PATH_END;
  60   return err_code;
  61 }
  62
  63 int
  64 STP_IN_stpm_delete (int vlan_id)
  65 {
  66   register STPM_T* this;
  67   int iret = 0;
  68
  69   RSTP_CRITICAL_PATH_START;
  70   this = stpapi_stpm_find (vlan_id);
  71
  72   if (! this) { /* it had not yet been created :( */
  73     iret = STP_Vlan_Had_Not_Yet_Been_Created;
  74   } else {
  75
  76     if (STP_ENABLED == this->admin_state) {
  77       if (0 != STP_stpm_enable (this, STP_DISABLED)) {/* can't disable :( */
  78         iret = STP_Another_Error;
  79       } else
  80         STP_OUT_set_hardware_mode (vlan_id, STP_DISABLED);
  81     }
  82
  83     if (0 == iret) {
  84       STP_stpm_delete (this);
  85     }
  86   }
  87   RSTP_CRITICAL_PATH_END;
  88   return iret;
  89 }
  90
  91 int
  92 STP_IN_stpm_get_vlan_id_by_name (char* name, int* vlan_id)
  93 {
  94   register STPM_T* stpm;
  95   int iret = STP_Cannot_Find_Vlan;
  96
  97   RSTP_CRITICAL_PATH_START;
  98   for (stpm = STP_stpm_get_the_list (); stpm; stpm = stpm->next) {
  99     if (stpm->name && ! strcmp (stpm->name, name)) {
 100       *vlan_id = stpm->vlan_id;
 101       iret = 0;
 102       break;
 103     }
 104   }
 105   RSTP_CRITICAL_PATH_END;
 106
 107   return iret;
 108 }
 109
 110
 111 Bool
 112 STP_IN_get_is_stpm_enabled (int vlan_id)
 113 {
 114   STPM_T* this;
 115   Bool iret = False;
 116
 117   RSTP_CRITICAL_PATH_START;
 118   this = stpapi_stpm_find (vlan_id);
 119
 120   if (this) {
 121     if (this->admin_state == STP_ENABLED) {
 122       iret = True;
 123     }
 124   } else {
 125     ;   /* it had not yet been created :( */
 126   }
 127
 128   RSTP_CRITICAL_PATH_END;
 129   return iret;
 130 }
 131
 132 int
 133 STP_IN_stop_all (void)
 134 {
 135   register STPM_T* stpm;
 136
 137   RSTP_CRITICAL_PATH_START;
 138
 139   for (stpm = STP_stpm_get_the_list (); stpm; stpm = stpm->next) {
 140     if (STP_DISABLED != stpm->admin_state) {
 141       STP_OUT_set_hardware_mode (stpm->vlan_id, STP_DISABLED);
 142       STP_stpm_enable (stpm, STP_DISABLED);
 143     }
 144   }
 145
 146   RSTP_CRITICAL_PATH_END;
 147   return 0;
 148 }
 149
 150 int
 151 STP_IN_delete_all (void)
 152 {
 153   register STPM_T* stpm, *next;
 154
 155   RSTP_CRITICAL_PATH_START;
 156   for (stpm = STP_stpm_get_the_list (); stpm; stpm = next) {
 157     next = stpm->next;
 158     STP_stpm_enable (stpm, STP_DISABLED);
 159     STP_stpm_delete (stpm);
 160   }
 161
 162   RSTP_CRITICAL_PATH_END;
 163   return 0;
 164 }
 165