vde-2/src/vde_switch/switch.h

   1 /* Copyright 2005 Renzo davoli VDE-2
   2  * Some code from vde_switch Copyright 2002 Jeff Dike
   3  * Licensed under the GPLv2
   4  */
   5
   6 #ifndef __SWITCH_H__
   7 #define __SWITCH_H__
   8
   9 typedef unsigned char uchar;
  10 /* FAST SPANNING TREE PROTOCOL (experimental)*/
  11 #define FSTP
  12 /* POLL Main LOOP Optimization */
  13 #define OPTPOLL
  14
  15 #ifdef _MALLOC_DEBUG
  16 #define free(X) ({ printf("MDBG-FREE %p %s %d\n",(X),__FILE__,__LINE__); \
  17                     free(X); })
  18 #define malloc(X) ({ void *x; x=malloc(X); \
  19                     printf("MDBG-MALLOC %p %s %d\n",x,__FILE__,__LINE__); \
  20                     x; })
  21 #define strdup(X) ({ void *x; x=strdup(X); \
  22                     printf("MDBG-STRDUP %p %s %d\n",x,__FILE__,__LINE__); \
  23                     x; })
  24 #define realloc(Y,X) ({ void *x,*old; \
  25                     old=(Y);\
  26                     x=realloc(old,(X)); \
  27                     printf("MDBG-REALLOC %p->%p %s %d\n",old,x,__FILE__,__LINE__); \
  28                     x; })
  29 #endif
  30
  31 struct swmodule {
  32         char *swmname; /* module name */
  33         char swmtag;   /* module tag - computer by the load sequence */
  34         char swmnopts; /* number of options for getopt */
  35         struct option *swmopts; /* options for getopt */
  36         void (*usage)(void); /* usage function: command line opts explanation */
  37         int (*parseopt)(int parm,char *optarg); /* parse getopt output */
  38         void (*init)(void); /* init */
  39         void (*handle_io)(unsigned char type,int fd,int revents,void *private_data); /* handle input */
  40         void (*cleanup)(unsigned char type,int fd,void *private_data); /*cleanup for files or final if fd == -1 */
  41         struct swmodule *next;
  42 };
  43
  44 void add_swm(struct swmodule *new);
  45 void del_swm(struct swmodule *old);
  46 unsigned char add_type(struct swmodule *mgr,int prio);
  47 void del_type(unsigned char type);
  48 void add_fd(int fd,unsigned char type,void *private_data);
  49 void remove_fd(int fd);
  50 void *mainloop_get_private_data(int fd);
  51 void mainloop_set_private_data(int fd,void *private_data);
  52 short mainloop_pollmask_get(int fd);
  53 void mainloop_pollmask_add(int fd, short events);
  54 void mainloop_pollmask_del(int fd, short events);
  55 void mainloop_pollmask_set(int fd, short events);
  56
  57 #define STDRCFILE "/etc/vde2/vde_switch.rc"
  58
  59 #define ETH_ALEN 6
  60
  61 #define INIT_HASH_SIZE 128
  62 #define DEFAULT_PRIORITY 0x8000
  63 #define INIT_NUMPORTS 32
  64 #define DEFAULT_COST 20000000 /* 1Mbit line */
  65
  66 extern char *prog;
  67 extern unsigned char switchmac[];
  68 extern unsigned int  priority;
  69
  70 #define NUMOFVLAN 4095
  71 #define NOVLAN 0xfff
  72
  73 #endif