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    1: /*  
    2:  *  This file is free software: you may copy, redistribute and/or modify it  
    3:  *  under the terms of the GNU General Public License as published by the  
    4:  *  Free Software Foundation, either version 2 of the License, or (at your  
    5:  *  option) any later version.  
    6:  *  
    7:  *  This file is distributed in the hope that it will be useful, but  
    8:  *  WITHOUT ANY WARRANTY; without even the implied warranty of  
    9:  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  
   10:  *  General Public License for more details.  
   11:  *  
   12:  *  You should have received a copy of the GNU General Public License  
   13:  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.  
   14:  *  
   15:  * This file incorporates work covered by the following copyright and  
   16:  * permission notice:  
   17:  *  
   18: Copyright (c) 2007, 2008 by Juliusz Chroboczek
   19: Copyright 2011 by Matthieu Boutier and Juliusz Chroboczek
   20: 
   21: Permission is hereby granted, free of charge, to any person obtaining a copy
   22: of this software and associated documentation files (the "Software"), to deal
   23: in the Software without restriction, including without limitation the rights
   24: to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   25: copies of the Software, and to permit persons to whom the Software is
   26: furnished to do so, subject to the following conditions:
   27: 
   28: The above copyright notice and this permission notice shall be included in
   29: all copies or substantial portions of the Software.
   30: 
   31: THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   32: IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   33: FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
   34: AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   35: LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   36: OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   37: THE SOFTWARE.
   38: */
   39: 
   40: #ifndef BABEL_BABELD_H
   41: #define BABEL_BABELD_H
   42: 
   43: #include <zebra.h>
   44: #include "vty.h"
   45: 
   46: #define INFINITY ((unsigned short)(~0))
   47: 
   48: #ifndef RTPROT_BABEL
   49: #define RTPROT_BABEL 42
   50: #endif
   51: 
   52: #define RTPROT_BABEL_LOCAL -2
   53: 
   54: #undef MAX
   55: #undef MIN
   56: 
   57: #define MAX(x,y) ((x)<=(y)?(y):(x))
   58: #define MIN(x,y) ((x)<=(y)?(x):(y))
   59: 
   60: #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
   61: /* nothing */
   62: #elif defined(__GNUC__)
   63: #define inline __inline
   64: #if  (__GNUC__ >= 3)
   65: #define restrict __restrict
   66: #else
   67: #define restrict /**/
   68: #endif
   69: #else
   70: #define inline /**/
   71: #define restrict /**/
   72: #endif
   73: 
   74: #if defined(__GNUC__) && (__GNUC__ >= 3)
   75: #define ATTRIBUTE(x) __attribute__ (x)
   76: #define LIKELY(_x) __builtin_expect(!!(_x), 1)
   77: #define UNLIKELY(_x) __builtin_expect(!!(_x), 0)
   78: #else
   79: #define ATTRIBUTE(x) /**/
   80: #define LIKELY(_x) !!(_x)
   81: #define UNLIKELY(_x) !!(_x)
   82: #endif
   83: 
   84: #if defined(__GNUC__) && (__GNUC__ >= 4) && (__GNUC_MINOR__ >= 3)
   85: #define COLD __attribute__ ((cold))
   86: #else
   87: #define COLD /**/
   88: #endif
   89: 
   90: #ifndef IF_NAMESIZE
   91: #include <sys/socket.h>
   92: #include <net/if.h>
   93: #endif
   94: 
   95: #ifdef HAVE_VALGRIND
   96: #include <valgrind/memcheck.h>
   97: #else
   98: #ifndef VALGRIND_MAKE_MEM_UNDEFINED
   99: #define VALGRIND_MAKE_MEM_UNDEFINED(a, b) do {} while(0)
  100: #endif
  101: #ifndef VALGRIND_CHECK_MEM_IS_DEFINED
  102: #define VALGRIND_CHECK_MEM_IS_DEFINED(a, b) do {} while(0)
  103: #endif
  104: #endif
  105: 
  106: 
  107: #define BABEL_VTY_PORT 2609
  108: #define BABEL_DEFAULT_CONFIG "babeld.conf"
  109: #define BABEL_VERSION "0.1 for quagga"
  110: 
  111: /* Values in milliseconds */
  112: #define BABEL_DEFAULT_HELLO_INTERVAL 4000
  113: #define BABEL_DEFAULT_UPDATE_INTERVAL 16000
  114: #define BABEL_DEFAULT_RESEND_DELAY 2000
  115: 
  116: 
  117: /* Babel socket. */
  118: extern int protocol_socket;
  119: 
  120: /* Babel structure. */
  121: struct babel
  122: {
  123:     /* Babel threads. */
  124:     struct thread *t_read;    /* on Babel protocol's socket */
  125:     struct thread *t_update;  /* timers */
  126: };
  127: 
  128: 
  129: extern void babeld_quagga_init(void);
  130: extern int input_filter(const unsigned char *id,
  131:                         const unsigned char *prefix, unsigned short plen,
  132:                         const unsigned char *neigh, unsigned int ifindex);
  133: extern int output_filter(const unsigned char *id, const unsigned char *prefix,
  134:                          unsigned short plen, unsigned int ifindex);
  135: extern int redistribute_filter(const unsigned char *prefix, unsigned short plen,
  136:                                unsigned int ifindex, int proto);
  137: extern int resize_receive_buffer(int size);
  138: extern void schedule_neighbours_check(int msecs, int override);
  139: 
  140: 
  141: #endif /* BABEL_BABELD_H */