headers/private/net/userland_ipc.h

   1 /*
   2  * Copyright 2002-2006, Haiku, Inc. All Rights Reserved.
   3  * This file may be used under the terms of the MIT License.
   4  */
   5 #ifndef USERLAND_IPC_H
   6 #define USERLAND_IPC_H
   7
   8 /*! userland_ipc - Communication between the network driver
   9                 and the userland stack.
  10 */
  11
  12 #include <OS.h>
  13 #include <Drivers.h>
  14
  15 #include "net_stack_driver.h"
  16
  17 #ifdef __cplusplus
  18 extern "C" {
  19 #endif
  20
  21 #define NET_STACK_PORTNAME "net_server connection"
  22
  23 enum {
  24         NET_STACK_OPEN = NET_STACK_IOCTL_MAX,
  25         NET_STACK_CLOSE,
  26         NET_STACK_NEW_CONNECTION,
  27 };
  28
  29 #define MAX_NET_AREAS 16
  30
  31 typedef struct {
  32         area_id id;
  33         uint8   *offset;
  34 } net_area_info;
  35
  36 typedef struct {
  37         int32   op;
  38 //      int32   buffer;
  39         uint8   *data;
  40         int32   length;
  41         int32   result;
  42         net_area_info   area[MAX_NET_AREAS];
  43 } net_command;
  44
  45 #define CONNECTION_QUEUE_LENGTH 128
  46 #define CONNECTION_COMMAND_SIZE 2048
  47
  48 typedef struct {
  49         port_id port;
  50         area_id area;
  51         thread_id socket_thread;
  52
  53         sem_id  commandSemaphore;       // command queue
  54         uint32  numCommands,bufferSize;
  55 } net_connection;
  56
  57
  58 extern status_t init_userland_ipc(void);
  59 extern void shutdown_userland_ipc(void);
  60
  61
  62 #ifdef __cplusplus
  63 }  // end of extern "C"
  64 #endif
  65
  66 #endif  /* USERLAND_IPC_H */