haiku/headers/private/net/net_stack.h
Hugo Santos 969885b848 loop: no longer requires a reader thread, it delivers directly to the device's receive queue
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21215 a95241bf-73f2-0310-859d-f6bbb57e9c96
2007-05-23 07:56:15 +00:00

133 lines
3.9 KiB
C

/*
* Copyright 2006-2007, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef NET_STACK_H
#define NET_STACK_H
#include <lock.h>
#include <util/list.h>
#include <module.h>
#define NET_STACK_MODULE_NAME "network/stack/v1"
struct net_address_module_info;
struct net_protocol_module_info;
struct net_buffer;
struct net_device;
struct net_domain;
struct net_socket;
struct net_timer;
struct net_fifo {
benaphore lock;
sem_id notify;
int32 waiting;
size_t max_bytes;
size_t current_bytes;
struct list buffers;
};
typedef void (*net_timer_func)(struct net_timer *timer, void *data);
struct net_timer {
struct list_link link;
net_timer_func hook;
void *data;
bigtime_t due;
};
typedef int32 (*net_deframe_func)(struct net_device *device, struct net_buffer *buffer);
typedef status_t (*net_receive_func)(void *cookie, struct net_device *,
struct net_buffer *buffer);
enum {
B_DEVICE_GOING_UP = 1,
B_DEVICE_GOING_DOWN,
B_DEVICE_BEING_REMOVED,
};
struct net_device_monitor {
struct list_link link;
void *cookie;
status_t (*receive)(struct net_device_monitor *monitor,
struct net_buffer *buffer);
void (*event)(struct net_device_monitor *monitor, int32 event);
};
struct net_stack_module_info {
module_info info;
status_t (*register_domain)(int family, const char *name,
struct net_protocol_module_info *module,
struct net_address_module_info *addressModule,
struct net_domain **_domain);
status_t (*unregister_domain)(struct net_domain *domain);
struct net_domain *(*get_domain)(int family);
status_t (*register_domain_protocols)(int family, int type, int protocol, ...);
status_t (*register_domain_datalink_protocols)(int family, int type, ...);
status_t (*register_domain_receiving_protocol)(int family, int type,
const char *moduleName);
status_t (*get_domain_receiving_protocol)(struct net_domain *domain, uint32 type,
struct net_protocol_module_info **_module);
status_t (*put_domain_receiving_protocol)(struct net_domain *domain, uint32 type);
// devices
status_t (*register_device_deframer)(struct net_device *device,
net_deframe_func deframeFunc);
status_t (*unregister_device_deframer)(struct net_device *device);
status_t (*register_domain_device_handler)(struct net_device *device,
int32 type, struct net_domain *domain);
status_t (*register_device_handler)(struct net_device *device, int32 type,
net_receive_func receiveFunc, void *cookie);
status_t (*unregister_device_handler)(struct net_device *device, int32 type);
status_t (*register_device_monitor)(struct net_device *device,
struct net_device_monitor *monitor);
status_t (*unregister_device_monitor)(struct net_device *device,
struct net_device_monitor *monitor);
status_t (*device_link_changed)(struct net_device *device);
status_t (*device_removed)(struct net_device *device);
status_t (*device_enqueue_buffer)(struct net_device *device,
struct net_buffer *buffer);
// Utility Functions
// notification
status_t (*notify_socket)(struct net_socket *socket, uint8 event, int32 value);
// checksum
uint16 (*checksum)(uint8 *buffer, size_t length);
// fifo
status_t (*init_fifo)(struct net_fifo *fifo, const char *name, size_t maxBytes);
void (*uninit_fifo)(struct net_fifo *fifo);
status_t (*fifo_enqueue_buffer)(struct net_fifo *fifo, struct net_buffer *buffer);
ssize_t (*fifo_dequeue_buffer)(struct net_fifo *fifo, uint32 flags,
bigtime_t timeout, struct net_buffer **_buffer);
status_t (*clear_fifo)(struct net_fifo *fifo);
status_t (*fifo_socket_enqueue_buffer)(struct net_fifo *, struct net_socket *,
uint8 event, struct net_buffer *);
// timer
void (*init_timer)(struct net_timer *timer, net_timer_func hook, void *data);
void (*set_timer)(struct net_timer *timer, bigtime_t delay);
bool (*cancel_timer)(struct net_timer *timer);
bool (*is_timer_active)(struct net_timer *timer);
};
#endif // NET_STACK_H