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  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 dp8390
  30.  *  @{
  31.  */
  32.  
  33. /** @file
  34.  */
  35.  
  36. #include <assert.h>
  37. #include <ddi.h>
  38. #include <errno.h>
  39. #include <malloc.h>
  40. //#include <stdio.h>
  41. #include <ipc/ipc.h>
  42. #include <ipc/services.h>
  43.  
  44. #include "../../err.h"
  45. #include "../../messages.h"
  46. #include "../../modules.h"
  47.  
  48. #include "../../structures/packet/packet_client.h"
  49. #include "../../structures/measured_strings.h"
  50.  
  51. #include "../device.h"
  52. #include "../netif.h"
  53. #include "../netif_interface.h"
  54.  
  55. #include "dp8390.h"
  56. #include "dp8390_drv.h"
  57. #include "dp8390_module.h"
  58. #include "dp8390_port.h"
  59.  
  60. #define NAME    "dp8390 network interface"
  61.  
  62. #define IPC_GET_DEVICE( call )          ( device_id_t ) IPC_GET_METHOD( * call )
  63. #define IPC_GET_ISR( call )             ( int ) IPC_GET_ARG2( * call )
  64.  
  65. static irq_cmd_t    dp8390_cmds[] = {
  66.     {   .cmd = CMD_PIO_READ_8,
  67.         .addr = NULL,
  68.         .dstarg = 2
  69.     },
  70.     {
  71.         .cmd = CMD_PREDICATE,
  72.         .value = 2,
  73.         .srcarg = 2
  74.     },
  75.     {   .cmd = CMD_PIO_WRITE_8,
  76.         .addr = NULL,
  77.         .srcarg = 2
  78.     },
  79.     {
  80.         .cmd = CMD_ACCEPT
  81.     }
  82. };
  83.  
  84. static irq_code_t   dp8390_code = {
  85.     sizeof( dp8390_cmds ) / sizeof( irq_cmd_t ),
  86.     dp8390_cmds
  87. };
  88.  
  89. netif_globals_t netif_globals;
  90.  
  91. void    netif_print_name( void );
  92.  
  93. void    irq_handler( ipc_callid_t iid, ipc_call_t * call );
  94. void    change_state( device_ref device, device_state_t state );
  95.  
  96. int specific_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){
  97.     return ENOTSUP;
  98. }
  99.  
  100. int get_device_stats( device_id_t device_id, device_stats_ref stats ){
  101.     ERROR_DECLARE;
  102.  
  103.     device_ref      device;
  104.     eth_stat_t *    de_stat;
  105.  
  106.     if( ! stats ) return EBADMEM;
  107.     ERROR_PROPAGATE( find_device( device_id, & device ));
  108.     de_stat = & (( dpeth_t * ) device->specific )->de_stat;
  109.     null_device_stats( stats );
  110.     stats->rx_errors = de_stat->ets_recvErr;
  111.     stats->tx_errors = de_stat->ets_sendErr;
  112.     stats->rx_crc_errors = de_stat->ets_CRCerr;
  113.     stats->rx_frame_errors = de_stat->ets_frameAll;
  114.     stats->rx_missed_errors = de_stat->ets_missedP;
  115.     stats->rx_packets = de_stat->ets_packetR;
  116.     stats->tx_packets = de_stat->ets_packetT;
  117.     stats->collisions = de_stat->ets_collision;
  118.     stats->tx_aborted_errors = de_stat->ets_transAb;
  119.     stats->tx_carrier_errors = de_stat->ets_carrSense;
  120.     stats->tx_heartbeat_errors = de_stat->ets_CDheartbeat;
  121.     stats->tx_window_errors = de_stat->ets_OWC;
  122.     return EOK;
  123. }
  124.  
  125. void netif_print_name( void ){
  126.     printf( NAME );
  127. }
  128.  
  129. int get_addr_message( device_id_t device_id, measured_string_ref address ){
  130.     ERROR_DECLARE;
  131.  
  132.     device_ref  device;
  133.  
  134.     if( ! address ) return EBADMEM;
  135.     ERROR_PROPAGATE( find_device( device_id, & device ));
  136.     address->value = ( char * ) ( & (( dpeth_t * ) device->specific )->de_address );
  137.     address->length = CONVERT_SIZE( ether_addr_t, char, 1 );
  138.     return EOK;
  139. }
  140.  
  141. void irq_handler( ipc_callid_t iid, ipc_call_t * call )
  142. {
  143. //  int irq;
  144.     device_ref  device;
  145.     dpeth_t *   dep;
  146.  
  147.     printf( "\ndevice %d - irq %x", IPC_GET_DEVICE( call ), IPC_GET_ISR( call ));
  148.     if( find_device( IPC_GET_DEVICE( call ), & device ) != EOK ) return;
  149.     dep = ( dpeth_t * ) device->specific;
  150.     printf( "\ndev %d, irq %x\n", device->device_id, IPC_GET_ISR( call ));
  151.     if ( dep->de_mode != DEM_ENABLED)
  152. //      continue;
  153.         return;
  154.     assert( dep->de_flags & DEF_ENABLED);
  155. //  irq= dep.de_irq;
  156. //  assert(irq >= 0 && irq < NR_IRQ_VECTORS);
  157. //      if ( dep->de_int_pending || 1)
  158. //      {
  159.         dep->de_int_pending= 0;
  160.         dp_check_ints( dep );
  161. //      do_int(dep);
  162. /*      r= sys_irqenable(&dep->de_hook);
  163.         if (r != OK)
  164.         {
  165.             panic("DP8390",
  166.             "unable enable interrupts", r);
  167.         }
  168. *///    }
  169. }
  170.  
  171. int probe_auto_message( void ){
  172.     return ENOTSUP;
  173. }
  174.  
  175. int probe_message( device_id_t device_id, int irq, int io ){
  176.     ERROR_DECLARE;
  177.  
  178.     device_ref  device;
  179.     dpeth_t *   dep;
  180.  
  181.     printf( "\n" );
  182.     device = ( device_ref ) malloc( sizeof( device_t ));
  183.     if( ! device ) return ENOMEM;
  184.     dep = ( dpeth_t * ) malloc( sizeof( dpeth_t ));
  185.     if( ! dep ){
  186.         free( device );
  187.         return ENOMEM;
  188.     }
  189.     bzero( device, sizeof( device_t ));
  190.     bzero( dep, sizeof( dpeth_t ));
  191.     device->device_id = device_id;
  192.     device->nil_phone = -1;
  193.     device->specific = ( void * ) dep;
  194.     device->state = NETIF_STOPPED;
  195.     dep->parent = device;
  196.     dep->de_irq = irq;
  197.     dep->de_mode = DEM_DISABLED;
  198.     //TODO address?
  199.     if( ERROR_OCCURRED( pio_enable(( void * ) io, DP8390_IO_SIZE, ( void ** ) & dep->de_base_port ))
  200.     || ERROR_OCCURRED( do_probe( dep ))){
  201.         free( dep );
  202.         free( device );
  203.         return ERROR_CODE;
  204.     }
  205.     if( ERROR_OCCURRED( device_map_add( & netif_globals.device_map, device->device_id, device ))){
  206.         free( dep );
  207.         free( device );
  208.         return ERROR_CODE;
  209.     }
  210.     return EOK;
  211. }
  212.  
  213. int send_message( device_id_t device_id, packet_t packet ){
  214.     ERROR_DECLARE;
  215.  
  216.     device_ref  device;
  217.     dpeth_t *   dep;
  218.     packet_t    next;
  219.  
  220.     ERROR_PROPAGATE( find_device( IPC_GET_DEVICE( call ), & device ));
  221.     dep = ( dpeth_t * ) device->specific;
  222.     // process packet queue
  223.     do{
  224.         next = pq_detach( packet );
  225.         if( do_pwrite( dep, packet, FALSE ) != EBUSY ){
  226.             netif_pq_release( packet_get_id( packet ));
  227.         }
  228.         packet = next;
  229.     }while( packet );
  230.     return EOK;
  231. }
  232.  
  233. int start_message( device_id_t device_id ){
  234.     ERROR_DECLARE;
  235.  
  236.     device_ref  device;
  237.     dpeth_t *   dep;
  238.  
  239.     ERROR_PROPAGATE( find_device( device_id, & device ));
  240.     if( device->state != NETIF_ACTIVE ){
  241.         dep = ( dpeth_t * ) device->specific;
  242.         dp8390_cmds[ 0 ].addr = ( void * ) ( uint32_t ) ( dep->de_dp8390_port + DP_ISR );
  243.         dp8390_cmds[ 2 ].addr = dp8390_cmds[ 0 ].addr;
  244.         ERROR_PROPAGATE( ipc_register_irq( dep->de_irq, device->device_id, device->device_id, & dp8390_code ));
  245.         if( ERROR_OCCURRED( do_init( dep, DL_BROAD_REQ ))){
  246.             ipc_unregister_irq( dep->de_irq, device->device_id );
  247.             return ERROR_CODE;
  248.         }
  249.         change_state( device, NETIF_ACTIVE );
  250.     }
  251.     return EOK;
  252. }
  253.  
  254. int stop_message( device_id_t device_id ){
  255.     ERROR_DECLARE;
  256.  
  257.     device_ref  device;
  258.     dpeth_t *   dep;
  259.  
  260.     ERROR_PROPAGATE( find_device( device_id, & device ));
  261.     if( device->state != NETIF_STOPPED ){
  262.         dep = ( dpeth_t * ) device->specific;
  263.         do_stop( dep );
  264.         ipc_unregister_irq( dep->de_irq, device->device_id );
  265.         change_state( device, NETIF_STOPPED );
  266.     }
  267.     return EOK;
  268. }
  269.  
  270. void change_state( device_ref device, device_state_t state ){
  271.     device->state = state;
  272.     nil_message( device, NET_NIL_DEVICE_STATE, device->state, NULL );
  273.     printf( "\nState changed to %s", ( state == NETIF_ACTIVE ) ? "ACTIVE" : "STOPPED" );
  274. }
  275.  
  276. int initialize( void ){
  277.     ipcarg_t    phonehash;
  278.  
  279.     async_set_interrupt_received( irq_handler );
  280.  
  281.     return REGISTER_ME( SERVICE_DP8390, & phonehash );
  282. }
  283.  
  284. int netif_send_packet( dpeth_t * dep, packet_t packet ){
  285.     if( !( dep && dep->parent )) return EINVAL;
  286.     nil_message(( device_ref ) dep->parent, NET_NIL_RECEIVED, packet_get_id( packet ), 0 );
  287.     return EOK;
  288. }
  289.  
  290. /** @}
  291.  */
  292.