/*
* Copyright (c) 2008 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 net
* @{
*/
/** @file
*/
#include <async.h>
#include <stdio.h>
#include <ipc/ipc.h>
#include <ipc/services.h>
//#include <sys/mman.h>
#include "../err.h"
#include "../messages.h"
#include "../modules.h"
#include "../structures/packet/packet.h"
#include "device.h"
#include "netif.h"
#define IPC_GET_DEVICE( call ) ( device_id_t ) IPC_GET_ARG1( * call )
#define IPC_GET_IRQ( call ) ( int ) IPC_GET_ARG2( * call )
#define IPC_GET_IO( call ) ( int ) IPC_GET_ARG3( * call )
#define IPC_GET_PHONE( call ) ( int ) IPC_GET_ARG5( * call )
extern netif_globals_t netif_globals;
extern int initialize( void );
extern int probe_auto_message( void );
extern int probe_message( device_id_t device_id, int irq, int io );
extern int send_message( device_id_t device_id, packet_t packet );
extern int start_message( device_id_t device_id );
extern int stop_message( device_id_t device_id );
DEVICE_MAP_IMPLEMENT( device_map, device_t )
int module_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count );
int netif_start_module( async_client_conn_t client_connection );
int register_message( device_id_t device_id, int phone );
int get_device_stats( device_id_t device_id, device_stats_ref * stats );
int find_device( device_id_t device_id, device_ref * device ){
* device = device_map_find( & netif_globals.device_map, device_id );
if( ! * device ) return ENOENT;
if(( ** device ).state == NETIF_NULL ) return EPERM;
return EOK;
}
int get_device_stats( device_id_t device_id, device_stats_ref * stats ){
ERROR_DECLARE;
device_ref device;
if( ! stats ) return EINVAL;
ERROR_PROPAGATE( find_device( device_id, & device ));
* stats = & device->stats;
return EOK;
}
void null_device_stats( device_stats_ref stats ){
memset( stats
, 0, sizeof( device_stats_t
)); /* stats->rx_packets = 0;
stats->tx_packets = 0;
stats->rx_bytes = 0;
stats->tx_bytes = 0;
stats->rx_errors = 0;
stats->tx_errors = 0;
stats->rx_dropped = 0;
stats->tx_dropped = 0;
stats->multicast = 0;
stats->collisions = 0;
stats->rx_length_errors = 0;
stats->rx_over_errors = 0;
stats->rx_crc_errors = 0;
stats->rx_frame_errors = 0;
stats->rx_fifo_errors = 0;
stats->rx_missed_errors = 0;
stats->tx_aborted_errors = 0;
stats->tx_carrier_errors = 0;
stats->tx_fifo_errors = 0;
stats->tx_heartbeat_errors = 0;
stats->tx_window_errors = 0;
stats->rx_compressed = 0;
stats->tx_compressed = 0;
*/
}
int register_message( device_id_t device_id, int phone ){
ERROR_DECLARE;
device_ref device;
ERROR_PROPAGATE( find_device( device_id, & device ));
if( device->nil_phone ) return ELIMIT;
device->nil_phone = phone;
return EOK;
}
int netif_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){
ERROR_DECLARE;
size_t length;
device_stats_ref stats;
packet_t packet;
// printf( "\nNETIF message %d", method );
* answer_count = 0;
switch( IPC_GET_METHOD( * call )){
case IPC_M_PHONE_HUNGUP:
return EOK;
case NET_NETIF_PROBE_AUTO:
return probe_auto_message();
case NET_NETIF_PROBE:
return probe_message( IPC_GET_DEVICE( call ), IPC_GET_IRQ( call ), IPC_GET_IO( call ));
case IPC_M_CONNECT_TO_ME:
return register_message( IPC_GET_DEVICE( call ), IPC_GET_PHONE( call ));
case NET_NETIF_SEND:
ERROR_PROPAGATE( packet_receive( & packet ));
return send_message( IPC_GET_DEVICE( call ), packet );
case NET_NETIF_START:
return start_message( IPC_GET_DEVICE( call ));
case NET_NETIF_STATS:
ERROR_PROPAGATE( ipc_data_read_receive( & callid, & length ));
if( length < sizeof( device_stats_t )) return EOVERFLOW;
ERROR_PROPAGATE( get_device_stats( IPC_GET_DEVICE( call ), & stats ));
return ipc_data_read_finalize( callid, stats, sizeof( device_stats_t ));
case NET_NETIF_STOP:
return stop_message( IPC_GET_DEVICE( call ));
}
return ENOTSUP;
}
int netif_start_module( async_client_conn_t client_connection ){
ERROR_DECLARE;
async_set_client_connection( client_connection );
netif_globals.networking_phone = connect_to_service( SERVICE_NETWORKING );
device_map_initialize( & netif_globals.device_map );
ERROR_PROPAGATE( initialize());
async_manager();
return EOK;
}
/** @}
*/