1 /* 2 * Copyright 2006-2010, Haiku, Inc. All Rights Reserved. 3 * Distributed under the terms of the MIT License. 4 * 5 * Authors: 6 * Axel Dörfler, 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 18 struct net_device_handler : DoublyLinkedListLinkImpl<net_device_handler> { 19 net_receive_func func; 20 int32 type; 21 void* cookie; 22 }; 23 24 typedef DoublyLinkedList<net_device_handler> DeviceHandlerList; 25 26 typedef DoublyLinkedList<net_device_monitor, 27 DoublyLinkedListCLink<net_device_monitor> > DeviceMonitorList; 28 29 struct 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 36 net_deframe_func deframe_func; 37 int32 deframe_ref_count; 38 39 int32 monitor_count; 40 mutex monitor_lock; 41 DeviceMonitorList monitor_funcs; 42 43 DeviceHandlerList receive_funcs; 44 recursive_lock receive_lock; 45 46 thread_id consumer_thread; 47 net_fifo receive_queue; 48 }; 49 50 typedef DoublyLinkedList<net_device_interface> DeviceInterfaceList; 51 52 53 // device interfaces 54 net_device_interface* acquire_device_interface(net_device_interface* interface); 55 void get_device_interface_address(net_device_interface* interface, 56 sockaddr* address); 57 uint32 count_device_interfaces(); 58 status_t list_device_interfaces(void* buffer, size_t* _bufferSize); 59 void put_device_interface(struct net_device_interface* interface); 60 struct net_device_interface* get_device_interface(uint32 index); 61 struct net_device_interface* get_device_interface(const char* name, 62 bool create = true); 63 void device_interface_monitor_receive(net_device_interface* interface, 64 net_buffer* buffer); 65 status_t up_device_interface(net_device_interface* interface); 66 void down_device_interface(net_device_interface* interface); 67 68 // devices 69 status_t unregister_device_deframer(net_device* device); 70 status_t register_device_deframer(net_device* device, 71 net_deframe_func deframeFunc); 72 status_t register_domain_device_handler(struct net_device* device, int32 type, 73 struct net_domain* domain); 74 status_t register_device_handler(struct net_device* device, int32 type, 75 net_receive_func receiveFunc, void* cookie); 76 status_t unregister_device_handler(struct net_device* device, int32 type); 77 status_t register_device_monitor(struct net_device* device, 78 struct net_device_monitor* monitor); 79 status_t unregister_device_monitor(struct net_device* device, 80 struct net_device_monitor* monitor); 81 status_t device_link_changed(net_device* device); 82 status_t device_removed(net_device* device); 83 status_t device_enqueue_buffer(net_device* device, net_buffer* buffer); 84 85 status_t init_device_interfaces(); 86 status_t uninit_device_interfaces(); 87 88 89 #endif // DEVICE_INTERFACES_H 90