1/* 2 * Copyright 2006-2017, Haiku, Inc. All Rights Reserved. 3 * Distributed under the terms of the MIT License. 4 * 5 * Authors: 6 * Axel D��rfler, axeld@pinc-software.de 7 */ 8#ifndef DEVICE_INTERFACES_H 9#define DEVICE_INTERFACES_H 10 11 12#include <net_datalink.h> 13#include <net_stack.h> 14 15#include <util/DoublyLinkedList.h> 16 17 18struct net_device_handler : DoublyLinkedListLinkImpl<net_device_handler> { 19 net_receive_func func; 20 int32 type; 21 void* cookie; 22}; 23 24typedef DoublyLinkedList<net_device_handler> DeviceHandlerList; 25 26typedef DoublyLinkedList<net_device_monitor, 27 DoublyLinkedListCLink<net_device_monitor> > DeviceMonitorList; 28 29struct net_device_interface : DoublyLinkedListLinkImpl<net_device_interface> { 30 struct net_device* device; 31 thread_id reader_thread; 32 uint32 up_count; 33 // a device can be brought up by more than one interface 34 int32 ref_count; 35 bool busy; 36 37 net_deframe_func deframe_func; 38 int32 deframe_ref_count; 39 40 int32 monitor_count; 41 recursive_lock monitor_lock; 42 DeviceMonitorList monitor_funcs; 43 44 DeviceHandlerList receive_funcs; 45 recursive_lock receive_lock; 46 47 thread_id consumer_thread; 48 net_fifo receive_queue; 49}; 50 51typedef DoublyLinkedList<net_device_interface> DeviceInterfaceList; 52 53 54// device interfaces 55net_device_interface* acquire_device_interface(net_device_interface* interface); 56void get_device_interface_address(net_device_interface* interface, 57 sockaddr* address); 58uint32 count_device_interfaces(); 59status_t list_device_interfaces(void* buffer, size_t* _bufferSize); 60void put_device_interface(struct net_device_interface* interface); 61struct net_device_interface* get_device_interface(uint32 index); 62struct net_device_interface* get_device_interface(const char* name, 63 bool create = true); 64void device_interface_monitor_receive(net_device_interface* interface, 65 net_buffer* buffer); 66status_t up_device_interface(net_device_interface* interface); 67void down_device_interface(net_device_interface* interface); 68 69// devices 70status_t unregister_device_deframer(net_device* device); 71status_t register_device_deframer(net_device* device, 72 net_deframe_func deframeFunc); 73status_t register_domain_device_handler(struct net_device* device, int32 type, 74 struct net_domain* domain); 75status_t register_device_handler(struct net_device* device, int32 type, 76 net_receive_func receiveFunc, void* cookie); 77status_t unregister_device_handler(struct net_device* device, int32 type); 78status_t register_device_monitor(struct net_device* device, 79 struct net_device_monitor* monitor); 80status_t unregister_device_monitor(struct net_device* device, 81 struct net_device_monitor* monitor); 82status_t device_link_changed(net_device* device); 83status_t device_removed(net_device* device); 84status_t device_enqueue_buffer(net_device* device, net_buffer* buffer); 85 86status_t init_device_interfaces(); 87status_t uninit_device_interfaces(); 88 89 90#endif // DEVICE_INTERFACES_H 91