WebSVN – HelenOS – Blame – //branches/network/uspace/srv/net/include/nil_interface.h

Rev	Author	Line No.	Line
4261	mejdrech	1	/*
		2	* Copyright (c) 2009 Lukas Mejdrech
		3	* All rights reserved.
		4	*
		5	* Redistribution and use in source and binary forms, with or without
		6	* modification, are permitted provided that the following conditions
		7	* are met:
		8	*
		9	* - Redistributions of source code must retain the above copyright
		10	* notice, this list of conditions and the following disclaimer.
		11	* - Redistributions in binary form must reproduce the above copyright
		12	* notice, this list of conditions and the following disclaimer in the
		13	* documentation and/or other materials provided with the distribution.
		14	* - The name of the author may not be used to endorse or promote products
		15	* derived from this software without specific prior written permission.
		16	*
		17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
		18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
		19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
		20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
		21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
		22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
		23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
		24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
		25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
		26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
		27	*/
		28
		29	/** @addtogroup net_nil
		30	* @{
		31	*/
		32
4350	mejdrech	33	/** @file
4704	mejdrech	34	* Network interface layer module interface.
4350	mejdrech	35	* The same interface is used for standalone remote device modules as well as for bundle device modules.
		36	* The standalone remote device modules have to be compiled with the nil_remote.c source file.
		37	* The bundle device modules with the appropriate network interface layer source file (eth.c etc.).
		38	* The upper layers cannot be bundled with the network interface layer.
4261	mejdrech	39	*/
		40
4307	mejdrech	41	#ifndef __NET_NIL_INTERFACE_H__
		42	#define __NET_NIL_INTERFACE_H__
4261	mejdrech	43
		44	#include <async.h>
		45	#include <errno.h>
		46
		47	#include <ipc/ipc.h>
		48
		49	#include "../messages.h"
		50
		51	#include "../structures/measured_strings.h"
		52	#include "../structures/packet/packet.h"
		53
4307	mejdrech	54	#include "../nil/nil_messages.h"
		55
4261	mejdrech	56	#include "device.h"
		57
4704	mejdrech	58	/** @name Network interface layer module interface
		59	* This interface is used by other modules.
		60	*/
		61	/@{/
		62
4350	mejdrech	63	/** Returns the device local hardware address.
		64	* @param nil_phone The network interface layer phone. Input parameter.
		65	* @param device_id The device identifier. Input parameter.
		66	* @param address The device local hardware address. Output parameter.
		67	* @param data The address data. Output parameter.
		68	* @returns EOK on success.
		69	* @returns EBADMEM if the address parameter is NULL.
		70	* @returns ENOENT if there no such device.
		71	* @returns Other error codes as defined for the generic_get_addr() function.
		72	*/
4261	mejdrech	73	#define nil_get_addr( nil_phone, device_id, address, data ) \
		74	generic_get_addr( nil_phone, NET_NIL_ADDR, device_id, address, data )
		75
4350	mejdrech	76	/** Returns the device broadcast hardware address.
		77	* @param nil_phone The network interface layer phone. Input parameter.
		78	* @param device_id The device identifier. Input parameter.
		79	* @param address The device broadcast hardware address. Output parameter.
		80	* @param data The address data. Output parameter.
		81	* @returns EOK on success.
		82	* @returns EBADMEM if the address parameter is NULL.
		83	* @returns ENOENT if there no such device.
		84	* @returns Other error codes as defined for the generic_get_addr() function.
		85	*/
4261	mejdrech	86	#define nil_get_broadcast_addr( nil_phone, device_id, address, data ) \
		87	generic_get_addr( nil_phone, NET_NIL_BROADCAST_ADDR, device_id, address, data )
		88
4350	mejdrech	89	/** Sends the packet queue.
		90	* @param nil_phone The network interface layer phone. Input parameter.
		91	* @param device_id The device identifier. Input parameter.
		92	* @param packet The packet queue. Input parameter.
		93	* @param sender The sending module service. Input parameter.
		94	* @returns EOK on success.
		95	* @returns Other error codes as defined for the generic_send_msg() function.
		96	*/
4261	mejdrech	97	#define nil_send_msg( nil_phone, device_id, packet, sender ) \
4707	mejdrech	98	generic_send_msg( nil_phone, NET_NIL_SEND, device_id, packet_get_id( packet ), sender, 0 )
4261	mejdrech	99
4350	mejdrech	100	/** Returns the device packet dimensions for sending.
		101	* @param nil_phone The network interface layer phone. Input parameter.
		102	* @param device_id The device identifier. Input parameter.
		103	* @param addr_len The minimum reserved address length. Output parameter.
		104	* @param prefix The minimum reserved prefix size. Output parameter.
		105	* @param content The maximum content size. Output parameter.
		106	* @param suffix The minimum reserved suffix size. Output parameter.
		107	* @returns EOK on success.
		108	* @returns EBADMEM if either one of the parameters is NULL.
		109	* @returns ENOENT if there is no such device.
		110	* @returns Other error codes as defined for the generic_packet_size_req() function.
		111	*/
4261	mejdrech	112	#define nil_packet_size_req( nil_phone, device_id, addr_len, prefix, content, suffix ) \
		113	generic_packet_size_req( nil_phone, NET_NIL_PACKET_SPACE, device_id, addr_len, prefix, content, suffix )
		114
4350	mejdrech	115	/** Registers new device or updates the MTU of an existing one.
		116	* @param nil_phone The network interface layer phone. Input parameter.
		117	* @param device_id The new device identifier. Input parameter.
		118	* @param mtu The device maximum transmission unit. Input parameter.
		119	* @param netif_service The device driver service. Input parameter.
		120	* @returns EOK on success.
		121	* @returns EEXIST if the device with the different service exists.
		122	* @returns ENOMEM if there is not enough memory left.
		123	* @returns Other error codes as defined for the generic_device_req() function.
		124	*/
4261	mejdrech	125	#define nil_device_req( nil_phone, device_id, mtu, netif_service ) \
		126	generic_device_req( nil_phone, NET_NIL_DEVICE, device_id, mtu, netif_service )
		127
4350	mejdrech	128	/** Notifies the network interface layer about the device state change.
		129	* @param nil_phone The network interface layer phone. Input parameter.
		130	* @param device_id The device identifier. Input parameter.
		131	* @param state The new device state. Input parameter.
		132	* @returns EOK on success.
		133	* @returns Other error codes as defined for each specific module device state function.
		134	*/
4307	mejdrech	135	int nil_device_state_msg( int nil_phone, device_id_t device_id, int state );
4261	mejdrech	136
4350	mejdrech	137	/** Passes the packet queue to the network interface layer.
		138	* Processes and redistributes the received packet queue to the registered upper layers.
		139	* @param nil_phone The network interface layer phone. Input parameter.
		140	* @param device_id The source device identifier. Input parameter.
		141	* @param packet The received packet or the received packet queue. Input parameter.
		142	* @param target The target service. Ignored parameter.
		143	* @returns EOK on success.
		144	* @returns Other error codes as defined for each specific module received function.
		145	*/
4307	mejdrech	146	int nil_received_msg( int nil_phone, device_id_t device_id, packet_t packet, services_t target );
		147
4704	mejdrech	148	/@}/
		149
4261	mejdrech	150	#endif
		151
		152	/** @}
		153	*/

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