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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.  *  DP8390 network interface implementation.
  35.  */
  36.  
  37. #include <assert.h>
  38. #include <async.h>
  39. #include <ddi.h>
  40. #include <errno.h>
  41. #include <malloc.h>
  42. //#include <stdio.h>
  43. #include <ipc/ipc.h>
  44. #include <ipc/services.h>
  45.  
  46. #include "../../err.h"
  47. #include "../../messages.h"
  48. #include "../../modules.h"
  49.  
  50. #include "../../structures/packet/packet_client.h"
  51. #include "../../structures/measured_strings.h"
  52.  
  53. #include "../../include/device.h"
  54. #include "../../include/nil_interface.h"
  55.  
  56. #include "../netif.h"
  57. #include "../netif_module.h"
  58.  
  59. #include "dp8390.h"
  60. #include "dp8390_drv.h"
  61. #include "dp8390_port.h"
  62.  
  63. /** DP8390 module name.
  64.  */
  65. #define NAME    "dp8390 network interface"
  66.  
  67. /** Returns the device from the interrupt call.
  68.  *  @param[in] call The interrupt call.
  69.  */
  70. #define IRQ_GET_DEVICE( call )          ( device_id_t ) IPC_GET_METHOD( * call )
  71.  
  72. /** Returns the interrupt status register from the interrupt call.
  73.  *  @param[in] call The interrupt call.
  74.  */
  75. #define IPC_GET_ISR( call )             ( int ) IPC_GET_ARG2( * call )
  76.  
  77. /** DP8390 kernel interrupt command sequence.
  78.  */
  79. static irq_cmd_t    dp8390_cmds[] = {
  80.     {   .cmd = CMD_PIO_READ_8,
  81.         .addr = NULL,
  82.         .dstarg = 2
  83.     },
  84.     {
  85.         .cmd = CMD_PREDICATE,
  86.         .value = 1,
  87.         .srcarg = 2
  88.     },
  89.     {
  90.         .cmd = CMD_ACCEPT
  91.     }
  92. };
  93.  
  94. /** DP8390 kernel interrupt code.
  95.  */
  96. static irq_code_t   dp8390_code = {
  97.     sizeof( dp8390_cmds ) / sizeof( irq_cmd_t ),
  98.     dp8390_cmds
  99. };
  100.  
  101. /** Network interface module global data.
  102.  */
  103. netif_globals_t netif_globals;
  104.  
  105. /** Prints the module name.
  106.  *  @see NAME
  107.  */
  108. void    module_print_name( void );
  109.  
  110. /** Handles the interrupt messages.
  111.  *  This is the interrupt handler callback function.
  112.  *  @param[in] iid The interrupt message identifier.
  113.  *  @param[in] call The interrupt message.
  114.  */
  115. void    irq_handler( ipc_callid_t iid, ipc_call_t * call );
  116.  
  117. /** Changes the network interface state.
  118.  *  @param[in,out] device The network interface.
  119.  *  @param[in] state The new state.
  120.  *  @returns The new state.
  121.  */
  122. int change_state( device_ref device, device_state_t state );
  123.  
  124. int netif_specific_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){
  125.     return ENOTSUP;
  126. }
  127.  
  128. int netif_get_device_stats( device_id_t device_id, device_stats_ref stats ){
  129.     ERROR_DECLARE;
  130.  
  131.     device_ref      device;
  132.     eth_stat_t *    de_stat;
  133.  
  134.     if( ! stats ) return EBADMEM;
  135.     ERROR_PROPAGATE( find_device( device_id, & device ));
  136.     de_stat = & (( dpeth_t * ) device->specific )->de_stat;
  137.     null_device_stats( stats );
  138.     stats->receive_errors = de_stat->ets_recvErr;
  139.     stats->send_errors = de_stat->ets_sendErr;
  140.     stats->receive_crc_errors = de_stat->ets_CRCerr;
  141.     stats->receive_frame_errors = de_stat->ets_frameAll;
  142.     stats->receive_missed_errors = de_stat->ets_missedP;
  143.     stats->receive_packets = de_stat->ets_packetR;
  144.     stats->send_packets = de_stat->ets_packetT;
  145.     stats->collisions = de_stat->ets_collision;
  146.     stats->send_aborted_errors = de_stat->ets_transAb;
  147.     stats->send_carrier_errors = de_stat->ets_carrSense;
  148.     stats->send_heartbeat_errors = de_stat->ets_CDheartbeat;
  149.     stats->send_window_errors = de_stat->ets_OWC;
  150.     return EOK;
  151. }
  152.  
  153. void module_print_name( void ){
  154.     printf( "%s", NAME );
  155. }
  156.  
  157. int netif_get_addr_message( device_id_t device_id, measured_string_ref address ){
  158.     ERROR_DECLARE;
  159.  
  160.     device_ref  device;
  161.  
  162.     if( ! address ) return EBADMEM;
  163.     ERROR_PROPAGATE( find_device( device_id, & device ));
  164.     address->value = ( char * ) ( & (( dpeth_t * ) device->specific )->de_address );
  165.     address->length = CONVERT_SIZE( ether_addr_t, char, 1 );
  166.     return EOK;
  167. }
  168.  
  169. void irq_handler( ipc_callid_t iid, ipc_call_t * call )
  170. {
  171.     device_ref  device;
  172.     dpeth_t *   dep;
  173.     packet_t    received;
  174.     device_id_t device_id;
  175.     int         phone;
  176.  
  177.     device_id = IRQ_GET_DEVICE( call );
  178.     fibril_rwlock_write_lock( & netif_globals.lock );
  179.     if( find_device( device_id, & device ) != EOK ){
  180.         fibril_rwlock_write_unlock( & netif_globals.lock );
  181.         return;
  182.     }
  183.     dep = ( dpeth_t * ) device->specific;
  184.     if ( dep->de_mode != DEM_ENABLED){
  185.         fibril_rwlock_write_unlock( & netif_globals.lock );
  186.         return;
  187.     }
  188.     assert( dep->de_flags & DEF_ENABLED);
  189.     dep->de_int_pending = 0;
  190. //  remove debug print:
  191. //  printf( "I%d: 0x%x\n", device_id, IPC_GET_ISR( call ));
  192.     dp_check_ints( dep, IPC_GET_ISR( call ));
  193.     if( dep->received_queue ){
  194.         received = dep->received_queue;
  195.         phone = device->nil_phone;
  196.         dep->received_queue = NULL;
  197.         dep->received_count = 0;
  198.         fibril_rwlock_write_unlock( & netif_globals.lock );
  199. //  remove debug dump:
  200. //  uint8_t *   data;
  201. //  data = packet_get_data( received );
  202. //  printf( "Receiving 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( received ), packet_get_data_length( received ), 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 ] );
  203.         nil_received_msg( phone, device_id, received, NULL );
  204.     }else{
  205.         fibril_rwlock_write_unlock( & netif_globals.lock );
  206.     }
  207.     ipc_answer_0( iid, EOK );
  208. }
  209.  
  210. int netif_probe_message( device_id_t device_id, int irq, int io ){
  211.     ERROR_DECLARE;
  212.  
  213.     device_ref  device;
  214.     dpeth_t *   dep;
  215.  
  216.     device = ( device_ref ) malloc( sizeof( device_t ));
  217.     if( ! device ) return ENOMEM;
  218.     dep = ( dpeth_t * ) malloc( sizeof( dpeth_t ));
  219.     if( ! dep ){
  220.         free( device );
  221.         return ENOMEM;
  222.     }
  223.     bzero( device, sizeof( device_t ));
  224.     bzero( dep, sizeof( dpeth_t ));
  225.     device->device_id = device_id;
  226.     device->nil_phone = -1;
  227.     device->specific = ( void * ) dep;
  228.     device->state = NETIF_STOPPED;
  229.     dep->de_irq = irq;
  230.     dep->de_mode = DEM_DISABLED;
  231.     //TODO address?
  232.     if( ERROR_OCCURRED( pio_enable(( void * ) io, DP8390_IO_SIZE, ( void ** ) & dep->de_base_port ))
  233.     || ERROR_OCCURRED( do_probe( dep ))){
  234.         free( dep );
  235.         free( device );
  236.         return ERROR_CODE;
  237.     }
  238.     if( ERROR_OCCURRED( device_map_add( & netif_globals.device_map, device->device_id, device ))){
  239.         free( dep );
  240.         free( device );
  241.         return ERROR_CODE;
  242.     }
  243.     return EOK;
  244. }
  245.  
  246. int netif_send_message( device_id_t device_id, packet_t packet, services_t sender ){
  247.     ERROR_DECLARE;
  248.  
  249.     device_ref  device;
  250.     dpeth_t *   dep;
  251.     packet_t    next;
  252.  
  253.     ERROR_PROPAGATE( find_device( device_id, & device ));
  254.     if( device->state != NETIF_ACTIVE ){
  255.         netif_pq_release( packet_get_id( packet ));
  256.         return EFORWARD;
  257.     }
  258.     dep = ( dpeth_t * ) device->specific;
  259.     // process packet queue
  260.     do{
  261.         next = pq_detach( packet );
  262. //      remove debug dump:
  263. //      uint8_t *   data;
  264. //      data = packet_get_data( packet );
  265. //      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 ] );
  266.  
  267.         if( do_pwrite( dep, packet, FALSE ) != EBUSY ){
  268.             netif_pq_release( packet_get_id( packet ));
  269.         }
  270.         packet = next;
  271.     }while( packet );
  272.     return EOK;
  273. }
  274.  
  275. int netif_start_message( device_ref device ){
  276.     ERROR_DECLARE;
  277.  
  278.     dpeth_t *   dep;
  279.  
  280.     if( device->state != NETIF_ACTIVE ){
  281.         dep = ( dpeth_t * ) device->specific;
  282.         dp8390_cmds[ 0 ].addr = ( void * ) ( uint32_t ) ( dep->de_dp8390_port + DP_ISR );
  283.         dp8390_cmds[ 2 ].addr = dp8390_cmds[ 0 ].addr;
  284.         ERROR_PROPAGATE( ipc_register_irq( dep->de_irq, device->device_id, device->device_id, & dp8390_code ));
  285.         if( ERROR_OCCURRED( do_init( dep, DL_BROAD_REQ ))){
  286.             ipc_unregister_irq( dep->de_irq, device->device_id );
  287.             return ERROR_CODE;
  288.         }
  289.         return change_state( device, NETIF_ACTIVE );
  290.     }
  291.     return EOK;
  292. }
  293.  
  294. int netif_stop_message( device_ref device ){
  295.     dpeth_t *   dep;
  296.  
  297.     if( device->state != NETIF_STOPPED ){
  298.         dep = ( dpeth_t * ) device->specific;
  299.         do_stop( dep );
  300.         ipc_unregister_irq( dep->de_irq, device->device_id );
  301.         return change_state( device, NETIF_STOPPED );
  302.     }
  303.     return EOK;
  304. }
  305.  
  306. int change_state( device_ref device, device_state_t state ){
  307.     device->state = state;
  308.     printf( "State changed to %s\n", ( state == NETIF_ACTIVE ) ? "ACTIVE" : "STOPPED" );
  309.     return state;
  310. }
  311.  
  312. int netif_initialize( void ){
  313.     ipcarg_t    phonehash;
  314.  
  315.     async_set_interrupt_received( irq_handler );
  316.  
  317.     return REGISTER_ME( SERVICE_DP8390, & phonehash );
  318. }
  319.  
  320. /** @}
  321.  */
  322.