source: mainline/uspace/srv/net/il/ip/ip_remote.c@ aadf01e

/*
 * 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 ip
 *  @{
 */

/** @file
 *  IP interface implementation for standalone remote modules.
 *  @see ip_interface.h
 *  @see il_interface.h
 */

#include <ipc/services.h>

#include "../../messages.h"
#include "../../modules.h"

#include "../../include/device.h"
#include "../../include/inet.h"
#include "../../include/ip_interface.h"

#include "../../structures/packet/packet_client.h"

#include "../il_messages.h"

#include "ip_messages.h"

int ip_device_req(int ip_phone, device_id_t device_id, services_t service){
        return generic_device_req(ip_phone, NET_IL_DEVICE, device_id, 0, service);
}

int ip_send_msg(int ip_phone, device_id_t device_id, packet_t packet, services_t sender, services_t error){
        return generic_send_msg(ip_phone, NET_IL_SEND, device_id, packet_get_id(packet), sender, error);
}

int ip_connect_module(services_t service){
        return connect_to_service(SERVICE_IP);
}

int ip_add_route_req(int ip_phone, device_id_t device_id, in_addr_t address, in_addr_t netmask, in_addr_t gateway){
        return (int) async_req_4_0(ip_phone, NET_IP_ADD_ROUTE, (ipcarg_t) device_id, (ipcarg_t) gateway.s_addr, (ipcarg_t) address.s_addr, (ipcarg_t) netmask.s_addr);
}

int ip_set_gateway_req(int ip_phone, device_id_t device_id, in_addr_t gateway){
        return (int) async_req_2_0(ip_phone, NET_IP_SET_GATEWAY, (ipcarg_t) device_id, (ipcarg_t) gateway.s_addr);
}

int ip_packet_size_req(int ip_phone, device_id_t device_id, packet_dimension_ref packet_dimension){
        return generic_packet_size_req(ip_phone, NET_IL_PACKET_SPACE, device_id, packet_dimension);
}

int ip_bind_service(services_t service, int protocol, services_t me, async_client_conn_t receiver, tl_received_msg_t tl_received_msg){
        return (int) bind_service(service, (ipcarg_t) protocol, me, service, receiver);
}

int ip_received_error_msg(int ip_phone, device_id_t device_id, packet_t packet, services_t target, services_t error){
        return generic_received_msg(ip_phone, NET_IP_RECEIVED_ERROR, device_id, packet_get_id(packet), target, error);
}

int ip_get_route_req(int ip_phone, ip_protocol_t protocol, const struct sockaddr * destination, socklen_t addrlen, device_id_t * device_id, ip_pseudo_header_ref * header, size_t * headerlen){
        aid_t message_id;
        ipcarg_t result;
        ipc_call_t answer;

        if(!(destination && (addrlen > 0))){
                return EINVAL;
        }
        if(!(device_id && header && headerlen)){
                return EBADMEM;
        }
        *header = NULL;
        message_id = async_send_1(ip_phone, NET_IP_GET_ROUTE, (ipcarg_t) protocol, &answer);
        if((async_data_write_start(ip_phone, destination, addrlen) == EOK)
                && (async_data_read_start(ip_phone, headerlen, sizeof(*headerlen)) == EOK)
                && (*headerlen > 0)){
                *header = (ip_pseudo_header_ref) malloc(*headerlen);
                if(*header){
                        if(async_data_read_start(ip_phone, * header, * headerlen) != EOK){
                                free(*header);
                        }
                }
        }
        async_wait_for(message_id, &result);
        if((result != EOK) && (*header)){
                free(*header);
        }else{
                *device_id = IPC_GET_DEVICE(&answer);
        }
        return (int) result;
}

/** @}
 */