source: mainline/uspace/lib/net/netif/netif_remote.c@ 6383d21

/*
 * Copyright (c) 2009 Lukas Mejdrech
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/** @addtogroup libnet 
 * @{
 */

/** @file
 * Network interface module interface implementation for remote modules.
 */

#include <netif_remote.h>
#include <packet_client.h>
#include <generic.h>

#include <ipc/services.h>
#include <ipc/netif.h>

#include <net/modules.h>
#include <adt/measured_strings.h>
#include <net/packet.h>
#include <net/device.h>

/** Return the device local hardware address.
 *
 * @param[in] netif_phone The network interface phone.
 * @param[in] device_id The device identifier.
 * @param[out] address  The device local hardware address.
 * @param[out] data     The address data.
 * @return              EOK on success.
 * @return              EBADMEM if the address parameter is NULL.
 * @return              ENOENT if there no such device.
 * @return              Other error codes as defined for the
 *                      netif_get_addr_message() function.
 */
int netif_get_addr_req_remote(int netif_phone, device_id_t device_id,
    measured_string_ref *address, char **data)
{
        return generic_get_addr_req(netif_phone, NET_NETIF_GET_ADDR, device_id,
            address, data);
}

/** Probe the existence of the device.
 *
 * @param[in] netif_phone The network interface phone.
 * @param[in] device_id The device identifier.
 * @param[in] irq       The device interrupt number.
 * @param[in] io        The device input/output address.
 * @return              EOK on success.
 * @return              Other error codes as defined for the
 *                      netif_probe_message().
 */
int
netif_probe_req_remote(int netif_phone, device_id_t device_id, int irq, int io)
{
        return async_req_3_0(netif_phone, NET_NETIF_PROBE, device_id, irq, io);
}

/** Send the packet queue.
 *
 * @param[in] netif_phone The network interface phone.
 * @param[in] device_id The device identifier.
 * @param[in] packet    The packet queue.
 * @param[in] sender    The sending module service.
 * @return              EOK on success.
 * @return              Other error codes as defined for the generic_send_msg()
 *                      function.
 */
int
netif_send_msg_remote(int netif_phone, device_id_t device_id, packet_t packet,
    services_t sender)
{
        return generic_send_msg_remote(netif_phone, NET_NETIF_SEND, device_id,
            packet_get_id(packet), sender, 0);
}

/** Start the device.
 *
 * @param[in] netif_phone The network interface phone.
 * @param[in] device_id The device identifier.
 * @return              EOK on success.
 * @return              Other error codes as defined for the find_device()
 *                      function.
 * @return              Other error codes as defined for the
 *                      netif_start_message() function.
 */
int netif_start_req_remote(int netif_phone, device_id_t device_id)
{
        return async_req_1_0(netif_phone, NET_NETIF_START, device_id);
}

/** Stop the device.
 *
 * @param[in] netif_phone The network interface phone.
 * @param[in] device_id The device identifier.
 * @return              EOK on success.
 * @return              Other error codes as defined for the find_device()
 *                      function.
 * @return              Other error codes as defined for the
 *                      netif_stop_message() function.
 */
int netif_stop_req_remote(int netif_phone, device_id_t device_id)
{
        return async_req_1_0(netif_phone, NET_NETIF_STOP, device_id);
}

/** Return the device usage statistics.
 *
 * @param[in] netif_phone The network interface phone.
 * @param[in] device_id The device identifier.
 * @param[out] stats    The device usage statistics.
 * @return EOK on success.
 */
int netif_stats_req_remote(int netif_phone, device_id_t device_id,
    device_stats_ref stats)
{
        if (!stats)
                return EBADMEM;
        
        aid_t message_id = async_send_1(netif_phone, NET_NETIF_STATS,
            (ipcarg_t) device_id, NULL);
        async_data_read_start(netif_phone, stats, sizeof(*stats));
        
        ipcarg_t result;
        async_wait_for(message_id, &result);
        
        return (int) result;
}

/** Create bidirectional connection with the network interface module and
 * registers the message receiver.
 *
 * @param[in] service   The network interface module service.
 * @param[in] device_id The device identifier.
 * @param[in] me        The requesting module service.
 * @param[in] receiver  The message receiver.
 *
 * @return              The phone of the needed service.
 * @return              EOK on success.
 * @return              Other error codes as defined for the bind_service()
 *                      function.
 */
int
netif_bind_service_remote(services_t service, device_id_t device_id,
    services_t me, async_client_conn_t receiver)
{
        return bind_service(service, device_id, me, 0, receiver);
}

/** @}
 */