rstplib/stp_to.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 system dependent API
  24    from the RStp to a operation system (see stp_to.h) */
  25
  26 /* stp_to API for Linux */
  27
  28 #include <stddef.h>
  29 #include <stdio.h>
  30 #include <stdarg.h>
  31 #include <time.h>
  32 #include <unistd.h>
  33
  34 #include "base.h"
  35 #include "stpm.h"
  36 #include "stp_in.h"
  37 #include "stp_to.h"
  38
  39 extern BITMAP_T        enabled_ports;
  40
  41 /*************
  42 void
  43 stp_trace (const char *format, ...)
  44 {
  45   #define MAX_MSG_LEN  128
  46   char     msg[MAX_MSG_LEN];
  47   va_list  args;
  48
  49   va_start(args, format);
  50   vsnprintf (msg, MAX_MSG_LEN-1, format, args);
  51   printf ("%s\n", msg);
  52   va_end(args);
  53
  54 }
  55 ***********/
  56
  57 #ifdef STRONGLY_SPEC_802_1W
  58 int
  59 STP_OUT_set_learning (int port_index, int vlan_id, int enable)
  60 {
  61   return STP_OK;
  62 }
  63
  64 int
  65 STP_OUT_set_forwarding (int port_index, int vlan_id, int enable)
  66 {
  67   return STP_OK;
  68 }
  69 #else
  70 /*
  71  * In many kinds of hardware the state of ports may
  72  * be changed with another method
  73  */
  74 int
  75 STP_OUT_set_port_state (IN int port_index, IN int vlan_id,
  76             IN RSTP_PORT_STATE state)
  77 {
  78   return STP_OK;
  79   //return AR_INT_STP_set_port_state (port_index, vlan_id, state);
  80 }
  81 #endif
  82
  83
  84 void
  85 STP_OUT_get_port_mac (int port_index, unsigned char *mac)
  86 {
  87   static long pid = -1;
  88   static unsigned char mac_beg[] = {'\0', '\0', '\0', '\0', '\0', '\0'};
  89
  90   if (pid < 0) {
  91     pid = getpid ();
  92     memcpy (mac_beg + 1, &pid, 4);
  93   }
  94   memcpy (mac, mac_beg, 5);
  95   mac[5] = port_index;
  96   //memcpy (mac, STP_MAIN_get_port_mac (port_index), 6);
  97 }
  98
  99 int             /* 1- Up, 0- Down */
 100 STP_OUT_get_port_link_status (int port_index)
 101 {
 102   if (BitmapGetBit (&enabled_ports, (port_index - 1))) return 1;
 103   return 0;
 104 }
 105
 106 int
 107 STP_OUT_flush_lt (IN int port_index, IN int vlan_id, LT_FLASH_TYPE_T type, char* reason)
 108 {
 109 /****
 110   stp_trace("clearFDB (%d, %s, '%s')",
 111         port_index,
 112         (type == LT_FLASH_ALL_PORTS_EXCLUDE_THIS) ? "Exclude" : "Only",
 113         reason);
 114 ****/
 115
 116   return STP_OK;
 117 }
 118
 119 int
 120 STP_OUT_set_hardware_mode (int vlan_id, UID_STP_MODE_T mode)
 121 {
 122   return STP_OK;
 123   //return AR_INT_STP_set_mode (vlan_id, mode);
 124 }
 125
 126
 127 int
 128 STP_OUT_tx_bpdu (int port_index, int vlan_id,
 129          unsigned char *bpdu, size_t bpdu_len)
 130 {
 131 extern int bridge_tx_bpdu (int port_index, unsigned char *bpdu, size_t bpdu_len);
 132   return bridge_tx_bpdu (port_index, bpdu, bpdu_len);
 133 }
 134
 135 const char *
 136 STP_OUT_get_port_name (IN int port_index)
 137 {
 138   static char tmp[4];
 139   sprintf (tmp, "p%02d", (int) port_index);
 140   return tmp;
 141   //return port2str (port_index, &sys_config);
 142 }
 143
 144 unsigned long
 145 STP_OUT_get_deafult_port_path_cost (IN unsigned int portNo)
 146 {
 147   return 20000;
 148 }
 149
 150 unsigned long STP_OUT_get_port_oper_speed (unsigned int portNo)
 151 {
 152   if (portNo <= 2)
 153     return 1000000L;
 154   else
 155     return 1000L;
 156 }
 157
 158 int             /* 1- Full, 0- Half */
 159 STP_OUT_get_duplex (IN int port_index)
 160 {
 161   return 1;
 162 }
 163
 164 int
 165 STP_OUT_get_init_stpm_cfg (IN int vlan_id,
 166                            INOUT UID_STP_CFG_T* cfg)
 167 {
 168   cfg->bridge_priority =        DEF_BR_PRIO;
 169   cfg->max_age =                DEF_BR_MAXAGE;
 170   cfg->hello_time =             DEF_BR_HELLOT;
 171   cfg->forward_delay =          DEF_BR_FWDELAY;
 172   cfg->force_version =          NORMAL_RSTP;
 173
 174   return STP_OK;
 175 }
 176
 177
 178 int
 179 STP_OUT_get_init_port_cfg (IN int vlan_id,
 180                            IN int port_index,
 181                            INOUT UID_STP_PORT_CFG_T* cfg)
 182 {
 183   cfg->port_priority =                  DEF_PORT_PRIO;
 184   cfg->admin_non_stp =                  DEF_ADMIN_NON_STP;
 185   cfg->admin_edge =                     DEF_ADMIN_EDGE;
 186   cfg->admin_port_path_cost =           ADMIN_PORT_PATH_COST_AUTO;
 187   cfg->admin_point2point =              DEF_P2P;
 188
 189   return STP_OK;
 190 }
 191
 192
 193