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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 "../../include/device.h"
  52. #include "../../include/nil_interface.h"
  53.  
  54. #include "../netif.h"
  55. #include "../netif_module.h"
  56.  
  57. #include "dp8390.h"
  58. #include "dp8390_drv.h"
  59. #include "dp8390_port.h"
  60.  
  61. #define NAME    "dp8390 network interface"
  62.  
  63. #define IRQ_GET_DEVICE( call )          ( device_id_t ) IPC_GET_METHOD( * call )
  64. #define IPC_GET_ISR( call )             ( int ) IPC_GET_ARG2( * call )
  65.  
  66. static irq_cmd_t    dp8390_cmds[] = {
  67.     {   .cmd = CMD_PIO_READ_8,
  68.         .addr = NULL,
  69.         .dstarg = 2
  70.     },
  71.     {
  72.         .cmd = CMD_PREDICATE,
  73.         .value = 2,
  74.         .srcarg = 2
  75.     },
  76.     {   .cmd = CMD_PIO_WRITE_8,
  77.         .addr = NULL,
  78.         .srcarg = 2
  79.     },
  80.     {
  81.         .cmd = CMD_ACCEPT
  82.     }
  83. };
  84.  
  85. static irq_code_t   dp8390_code = {
  86.     sizeof( dp8390_cmds ) / sizeof( irq_cmd_t ),
  87.     dp8390_cmds
  88. };
  89.  
  90. netif_globals_t netif_globals;
  91.  
  92. void    module_print_name( void );
  93.  
  94. void    irq_handler( ipc_callid_t iid, ipc_call_t * call );
  95. int change_state( device_ref device, device_state_t state );
  96.  
  97. int netif_specific_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){
  98.     return ENOTSUP;
  99. }
  100.  
  101. int netif_get_device_stats( device_id_t device_id, device_stats_ref stats ){
  102.     ERROR_DECLARE;
  103.  
  104.     device_ref      device;
  105.     eth_stat_t *    de_stat;
  106.  
  107.     if( ! stats ) return EBADMEM;
  108.     ERROR_PROPAGATE( find_device( device_id, & device ));
  109.     de_stat = & (( dpeth_t * ) device->specific )->de_stat;
  110.     null_device_stats( stats );
  111.     stats->rx_errors = de_stat->ets_recvErr;
  112.     stats->tx_errors = de_stat->ets_sendErr;
  113.     stats->rx_crc_errors = de_stat->ets_CRCerr;
  114.     stats->rx_frame_errors = de_stat->ets_frameAll;
  115.     stats->rx_missed_errors = de_stat->ets_missedP;
  116.     stats->rx_packets = de_stat->ets_packetR;
  117.     stats->tx_packets = de_stat->ets_packetT;
  118.     stats->collisions = de_stat->ets_collision;
  119.     stats->tx_aborted_errors = de_stat->ets_transAb;
  120.     stats->tx_carrier_errors = de_stat->ets_carrSense;
  121.     stats->tx_heartbeat_errors = de_stat->ets_CDheartbeat;
  122.     stats->tx_window_errors = de_stat->ets_OWC;
  123.     return EOK;
  124. }
  125.  
  126. void module_print_name( void ){
  127.     printf( "%s", NAME );
  128. }
  129.  
  130. int netif_get_addr_message( device_id_t device_id, measured_string_ref address ){
  131.     ERROR_DECLARE;
  132.  
  133.     device_ref  device;
  134.  
  135.     if( ! address ) return EBADMEM;
  136.     ERROR_PROPAGATE( find_device( device_id, & device ));
  137.     address->value = ( char * ) ( & (( dpeth_t * ) device->specific )->de_address );
  138.     address->length = CONVERT_SIZE( ether_addr_t, char, 1 );
  139.     return EOK;
  140. }
  141.  
  142. void irq_handler( ipc_callid_t iid, ipc_call_t * call )
  143. {
  144. //  int irq;
  145.     device_ref  device;
  146.     dpeth_t *   dep;
  147.     packet_t    received;
  148.     device_id_t device_id;
  149.     int         phone;
  150.  
  151.     device_id = IRQ_GET_DEVICE( call );
  152. //  printf( "device %d - irq %x\n", device_id, IPC_GET_ISR( call ));
  153.     rwlock_write_lock( & netif_globals.lock );
  154.     if( find_device( device_id, & device ) != EOK ){
  155.         rwlock_write_unlock( & netif_globals.lock );
  156.         return;
  157.     }
  158.     dep = ( dpeth_t * ) device->specific;
  159. //  printf( "dev %d, irq %x\n\n", device->device_id, IPC_GET_ISR( call ));
  160.     if ( dep->de_mode != DEM_ENABLED){
  161. //      continue;
  162.         rwlock_write_unlock( & netif_globals.lock );
  163.         return;
  164.     }
  165.     assert( dep->de_flags & DEF_ENABLED);
  166. //  irq= dep.de_irq;
  167. //  assert(irq >= 0 && irq < NR_IRQ_VECTORS);
  168. //      if ( dep->de_int_pending || 1)
  169. //      {
  170.         dep->de_int_pending= 0;
  171.         dp_check_ints( dep );
  172. //      do_int(dep);
  173. /*      r= sys_irqenable(&dep->de_hook);
  174.         if (r != OK)
  175.         {
  176.             panic("DP8390",
  177.             "unable enable interrupts", r);
  178.         }
  179. *///    }
  180.     if( dep->received_queue ){
  181.         received = dep->received_queue;
  182.         phone = device->nil_phone;
  183.         dep->received_queue = NULL;
  184.         rwlock_write_unlock( & netif_globals.lock );
  185.         nil_received_msg( phone, device_id, received, NULL );
  186.     }else{
  187.         rwlock_write_unlock( & netif_globals.lock );
  188.     }
  189.     ipc_answer_0( iid, EOK );
  190. }
  191.  
  192. int netif_probe_auto_message( void ){
  193.     return ENOTSUP;
  194. }
  195.  
  196. int netif_probe_message( device_id_t device_id, int irq, int io ){
  197.     ERROR_DECLARE;
  198.  
  199.     device_ref  device;
  200.     dpeth_t *   dep;
  201.  
  202.     device = ( device_ref ) malloc( sizeof( device_t ));
  203.     if( ! device ) return ENOMEM;
  204.     dep = ( dpeth_t * ) malloc( sizeof( dpeth_t ));
  205.     if( ! dep ){
  206.         free( device );
  207.         return ENOMEM;
  208.     }
  209.     bzero( device, sizeof( device_t ));
  210.     bzero( dep, sizeof( dpeth_t ));
  211.     device->device_id = device_id;
  212.     device->nil_phone = -1;
  213.     device->specific = ( void * ) dep;
  214.     device->state = NETIF_STOPPED;
  215.     dep->de_irq = irq;
  216.     dep->de_mode = DEM_DISABLED;
  217.     //TODO address?
  218.     if( ERROR_OCCURRED( pio_enable(( void * ) io, DP8390_IO_SIZE, ( void ** ) & dep->de_base_port ))
  219.     || ERROR_OCCURRED( do_probe( dep ))){
  220.         free( dep );
  221.         free( device );
  222.         return ERROR_CODE;
  223.     }
  224.     if( ERROR_OCCURRED( device_map_add( & netif_globals.device_map, device->device_id, device ))){
  225.         free( dep );
  226.         free( device );
  227.         return ERROR_CODE;
  228.     }
  229.     return EOK;
  230. }
  231.  
  232. int netif_send_message( device_id_t device_id, packet_t packet, services_t sender ){
  233.     ERROR_DECLARE;
  234.  
  235.     device_ref  device;
  236.     dpeth_t *   dep;
  237.     packet_t    next;
  238.  
  239.     uint8_t *   data;
  240.     data = packet_get_data( packet );
  241.     printf( "Sending packet:\n\tid\t= %d\n\tlength\t= %d\n\tdata\t= %.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX\n\t\t%.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX\n", packet_get_id( packet ), packet_get_data_length( packet ), data[ 0 ], data[ 1 ], data[ 2 ], data[ 3 ], data[ 4 ], data[ 5 ], data[ 6 ], data[ 7 ], data[ 8 ], data[ 9 ], data[ 10 ], data[ 11 ], data[ 12 ], data[ 13 ], data[ 14 ], data[ 15 ], data[ 16 ], data[ 17 ], data[ 18 ], data[ 19 ], data[ 20 ], data[ 21 ], data[ 22 ], data[ 23 ], data[ 24 ], data[ 25 ], data[ 26 ], data[ 27 ], data[ 28 ], data[ 29 ], data[ 30 ], data[ 31 ], data[ 32 ], data[ 33 ], data[ 34 ], data[ 35 ], data[ 36 ], data[ 37 ], data[ 38 ], data[ 39 ], data[ 40 ], data[ 41 ], data[ 42 ], data[ 43 ], data[ 44 ], data[ 45 ], data[ 46 ], data[ 47 ], data[ 48 ], data[ 49 ], data[ 50 ], data[ 51 ], data[ 52 ], data[ 53 ], data[ 54 ], data[ 55 ], data[ 56 ], data[ 57 ], data[ 58 ], data[ 59 ] );
  242.  
  243.     ERROR_PROPAGATE( find_device( device_id, & device ));
  244.     dep = ( dpeth_t * ) device->specific;
  245.     // process packet queue
  246.     do{
  247.         next = pq_detach( packet );
  248.         if( do_pwrite( dep, packet, FALSE ) != EBUSY ){
  249.             netif_pq_release( packet_get_id( packet ));
  250.         }
  251.         packet = next;
  252.     }while( packet );
  253.     return EOK;
  254. }
  255.  
  256. int netif_start_message( device_ref device ){
  257.     ERROR_DECLARE;
  258.  
  259.     dpeth_t *   dep;
  260.  
  261.     if( device->state != NETIF_ACTIVE ){
  262.         dep = ( dpeth_t * ) device->specific;
  263.         dp8390_cmds[ 0 ].addr = ( void * ) ( uint32_t ) ( dep->de_dp8390_port + DP_ISR );
  264.         dp8390_cmds[ 2 ].addr = dp8390_cmds[ 0 ].addr;
  265.         ERROR_PROPAGATE( ipc_register_irq( dep->de_irq, device->device_id, device->device_id, & dp8390_code ));
  266.         if( ERROR_OCCURRED( do_init( dep, DL_BROAD_REQ ))){
  267.             ipc_unregister_irq( dep->de_irq, device->device_id );
  268.             return ERROR_CODE;
  269.         }
  270.         return change_state( device, NETIF_ACTIVE );
  271.     }
  272.     return EOK;
  273. }
  274.  
  275. int netif_stop_message( device_ref device ){
  276.     dpeth_t *   dep;
  277.  
  278.     if( device->state != NETIF_STOPPED ){
  279.         dep = ( dpeth_t * ) device->specific;
  280.         do_stop( dep );
  281.         ipc_unregister_irq( dep->de_irq, device->device_id );
  282.         return change_state( device, NETIF_STOPPED );
  283.     }
  284.     return EOK;
  285. }
  286.  
  287. int change_state( device_ref device, device_state_t state ){
  288.     device->state = state;
  289.     printf( "State changed to %s\n", ( state == NETIF_ACTIVE ) ? "ACTIVE" : "STOPPED" );
  290.     return state;
  291. }
  292.  
  293. int netif_initialize( void ){
  294.     ipcarg_t    phonehash;
  295.  
  296.     async_set_interrupt_received( irq_handler );
  297.  
  298.     return REGISTER_ME( SERVICE_DP8390, & phonehash );
  299. }
  300.  
  301. /** @}
  302.  */
  303.