Changeset 8fb1bf82 in mainline for uspace/lib/net/netif/netif_local.c


Ignore:
Timestamp:
2010-11-25T13:42:50Z (13 years ago)
Author:
Jakub Jermar <jakub@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
8df8415
Parents:
a93d79a (diff), eb667613 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.
Message:

Merge mainline changes.

File:
1 edited

Legend:

Unmodified
Added
Removed
  • uspace/lib/net/netif/netif_local.c

    ra93d79a r8fb1bf82  
    2727 */
    2828
    29 /** @addtogroup netif
     29/** @addtogroup libnet
    3030 * @{
    3131 */
     
    4343#include <ipc/services.h>
    4444#include <ipc/netif.h>
    45 #include <err.h>
     45#include <errno.h>
    4646
    4747#include <generic.h>
     
    5858DEVICE_MAP_IMPLEMENT(netif_device_map, netif_device_t);
    5959
    60 /** Network interface global data.
    61  */
     60/** Network interface global data. */
    6261netif_globals_t netif_globals;
    6362
     
    6564 *
    6665 * @param[in] netif_phone The network interface phone.
    67  * @param[in] device_id   The device identifier.
    68  * @param[in] irq         The device interrupt number.
    69  * @param[in] io          The device input/output address.
    70  *
    71  * @return EOK on success.
    72  * @return Other errro codes as defined for the netif_probe_message().
    73  *
    74  */
    75 int netif_probe_req_local(int netif_phone, device_id_t device_id, int irq, int io)
     66 * @param[in] device_id The device identifier.
     67 * @param[in] irq       The device interrupt number.
     68 * @param[in] io        The device input/output address.
     69 * @return              EOK on success.
     70 * @return              Other error codes as defined for the
     71 *                      netif_probe_message().
     72 */
     73int
     74netif_probe_req_local(int netif_phone, device_id_t device_id, int irq, int io)
    7675{
    7776        fibril_rwlock_write_lock(&netif_globals.lock);
     
    8584 *
    8685 * @param[in] netif_phone The network interface phone.
    87  * @param[in] device_id   The device identifier.
    88  * @param[in] packet      The packet queue.
    89  * @param[in] sender      The sending module service.
    90  *
    91  * @return EOK on success.
    92  * @return Other error codes as defined for the generic_send_msg() function.
    93  *
     86 * @param[in] device_id The device identifier.
     87 * @param[in] packet    The packet queue.
     88 * @param[in] sender    The sending module service.
     89 * @return              EOK on success.
     90 * @return              Other error codes as defined for the generic_send_msg()
     91 *                      function.
    9492 */
    9593int netif_send_msg_local(int netif_phone, device_id_t device_id,
    96     packet_t packet, services_t sender)
     94    packet_t *packet, services_t sender)
    9795{
    9896        fibril_rwlock_write_lock(&netif_globals.lock);
     
    106104 *
    107105 * @param[in] netif_phone The network interface phone.
    108  * @param[in] device_id   The device identifier.
    109  *
    110  * @return EOK on success.
    111  * @return Other error codes as defined for the find_device() function.
    112  * @return Other error codes as defined for the netif_start_message() function.
    113  *
     106 * @param[in] device_id The device identifier.
     107 * @return              EOK on success.
     108 * @return              Other error codes as defined for the find_device()
     109 *                      function.
     110 * @return              Other error codes as defined for the
     111 *                      netif_start_message() function.
    114112 */
    115113int netif_start_req_local(int netif_phone, device_id_t device_id)
    116114{
    117         ERROR_DECLARE;
     115        int rc;
    118116       
    119117        fibril_rwlock_write_lock(&netif_globals.lock);
    120118       
    121119        netif_device_t *device;
    122         if (ERROR_OCCURRED(find_device(device_id, &device))) {
     120        rc = find_device(device_id, &device);
     121        if (rc != EOK) {
    123122                fibril_rwlock_write_unlock(&netif_globals.lock);
    124                 return ERROR_CODE;
     123                return rc;
    125124        }
    126125       
     
    141140 *
    142141 * @param[in] netif_phone The network interface phone.
    143  * @param[in] device_id   The device identifier.
    144  *
    145  * @return EOK on success.
    146  * @return Other error codes as defined for the find_device() function.
    147  * @return Other error codes as defined for the netif_stop_message() function.
    148  *
     142 * @param[in] device_id The device identifier.
     143 * @return              EOK on success.
     144 * @return              Other error codes as defined for the find_device()
     145 *                      function.
     146 * @return              Other error codes as defined for the
     147 *                      netif_stop_message() function.
    149148 */
    150149int netif_stop_req_local(int netif_phone, device_id_t device_id)
    151150{
    152         ERROR_DECLARE;
     151        int rc;
    153152       
    154153        fibril_rwlock_write_lock(&netif_globals.lock);
    155154       
    156155        netif_device_t *device;
    157         if (ERROR_OCCURRED(find_device(device_id, &device))) {
     156        rc = find_device(device_id, &device);
     157        if (rc != EOK) {
    158158                fibril_rwlock_write_unlock(&netif_globals.lock);
    159                 return ERROR_CODE;
     159                return rc;
    160160        }
    161161       
     
    175175/** Return the device usage statistics.
    176176 *
    177  * @param[in]  netif_phone The network interface phone.
    178  * @param[in]  device_id   The device identifier.
    179  * @param[out] stats       The device usage statistics.
    180  *
     177 * @param[in] netif_phone The network interface phone.
     178 * @param[in] device_id The device identifier.
     179 * @param[out] stats    The device usage statistics.
    181180 * @return EOK on success.
    182  *
    183181 */
    184182int netif_stats_req_local(int netif_phone, device_id_t device_id,
    185     device_stats_ref stats)
     183    device_stats_t *stats)
    186184{
    187185        fibril_rwlock_read_lock(&netif_globals.lock);
     
    194192/** Return the device local hardware address.
    195193 *
    196  * @param[in]  netif_phone The network interface phone.
    197  * @param[in]  device_id   The device identifier.
    198  * @param[out] address     The device local hardware address.
    199  * @param[out] data        The address data.
    200  *
    201  * @return EOK on success.
    202  * @return EBADMEM if the address parameter is NULL.
    203  * @return ENOENT if there no such device.
    204  * @return Other error codes as defined for the netif_get_addr_message()
    205  *         function.
    206  *
     194 * @param[in] netif_phone The network interface phone.
     195 * @param[in] device_id The device identifier.
     196 * @param[out] address  The device local hardware address.
     197 * @param[out] data     The address data.
     198 * @return              EOK on success.
     199 * @return              EBADMEM if the address parameter is NULL.
     200 * @return              ENOENT if there no such device.
     201 * @return              Other error codes as defined for the
     202 *                      netif_get_addr_message() function.
    207203 */
    208204int netif_get_addr_req_local(int netif_phone, device_id_t device_id,
    209     measured_string_ref *address, char **data)
    210 {
    211         ERROR_DECLARE;
    212        
    213         if ((!address) || (!data))
     205    measured_string_t **address, char **data)
     206{
     207        int rc;
     208       
     209        if (!address || !data)
    214210                return EBADMEM;
    215211       
     
    217213       
    218214        measured_string_t translation;
    219         if (!ERROR_OCCURRED(netif_get_addr_message(device_id, &translation))) {
     215        rc = netif_get_addr_message(device_id, &translation);
     216        if (rc == EOK) {
    220217                *address = measured_string_copy(&translation);
    221                 ERROR_CODE = (*address) ? EOK : ENOMEM;
     218                rc = (*address) ? EOK : ENOMEM;
    222219        }
    223220       
     
    226223        *data = (**address).value;
    227224       
    228         return ERROR_CODE;
     225        return rc;
    229226}
    230227
    231228/** Find the device specific data.
    232229 *
    233  * @param[in]  device_id The device identifier.
    234  * @param[out] device    The device specific data.
    235  *
    236  * @return EOK on success.
    237  * @return ENOENT if device is not found.
    238  * @return EPERM if the device is not initialized.
    239  *
     230 * @param[in] device_id The device identifier.
     231 * @param[out] device   The device specific data.
     232 * @return              EOK on success.
     233 * @return              ENOENT if device is not found.
     234 * @return              EPERM if the device is not initialized.
    240235 */
    241236int find_device(device_id_t device_id, netif_device_t **device)
     
    256251/** Clear the usage statistics.
    257252 *
    258  * @param[in] stats The usage statistics.
    259  *
    260  */
    261 void null_device_stats(device_stats_ref stats)
     253 * @param[in] stats     The usage statistics.
     254 */
     255void null_device_stats(device_stats_t *stats)
    262256{
    263257        bzero(stats, sizeof(device_stats_t));
     
    266260/** Initialize the netif module.
    267261 *
    268  *  @param[in] client_connection The client connection functio to be
    269  *                               registered.
    270  *
    271  *  @return EOK on success.
    272  *  @return Other error codes as defined for each specific module
    273  *          message function.
    274  *
     262 * @param[in] client_connection The client connection functio to be registered.
     263 * @return              EOK on success.
     264 * @return              Other error codes as defined for each specific module
     265 *                      message function.
    275266 */
    276267int netif_init_module(async_client_conn_t client_connection)
    277268{
    278         ERROR_DECLARE;
     269        int rc;
    279270       
    280271        async_set_client_connection(client_connection);
     
    283274        netif_device_map_initialize(&netif_globals.device_map);
    284275       
    285         ERROR_PROPAGATE(pm_init());
     276        rc = pm_init();
     277        if (rc != EOK)
     278                return rc;
    286279       
    287280        fibril_rwlock_initialize(&netif_globals.lock);
    288         if (ERROR_OCCURRED(netif_initialize())) {
     281       
     282        rc = netif_initialize();
     283        if (rc != EOK) {
    289284                pm_destroy();
    290                 return ERROR_CODE;
     285                return rc;
    291286        }
    292287       
     
    298293 * Prepared for future optimization.
    299294 *
    300  * @param[in] packet_id The packet identifier.
    301  *
     295 * @param[in] packet_id The packet identifier.
    302296 */
    303297void netif_pq_release(packet_id_t packet_id)
     
    308302/** Allocate new packet to handle the given content size.
    309303 *
    310  * @param[in] content The minimum content size.
    311  *
    312  * @return The allocated packet.
    313  * @return NULL if there is an error.
    314  *
    315  */
    316 packet_t netif_packet_get_1(size_t content)
     304 * @param[in] content   The minimum content size.
     305 * @return              The allocated packet.
     306 * @return              NULL if there is an error.
     307 *
     308 */
     309packet_t *netif_packet_get_1(size_t content)
    317310{
    318311        return packet_get_1_remote(netif_globals.net_phone, content);
    319312}
    320313
    321 /** Register the device notification receiver, the network interface layer module.
    322  *
    323  * @param[in] name      Module name.
    324  * @param[in] device_id The device identifier.
    325  * @param[in] phone     The network interface layer module phone.
    326  *
    327  * @return EOK on success.
    328  * @return ENOENT if there is no such device.
    329  * @return ELIMIT if there is another module registered.
    330  *
     314/** Register the device notification receiver, the network interface layer
     315 * module.
     316 *
     317 * @param[in] name      Module name.
     318 * @param[in] device_id The device identifier.
     319 * @param[in] phone     The network interface layer module phone.
     320 * @return              EOK on success.
     321 * @return              ENOENT if there is no such device.
     322 * @return              ELIMIT if there is another module registered.
    331323 */
    332324static int register_message(const char *name, device_id_t device_id, int phone)
    333325{
    334         ERROR_DECLARE;
    335        
    336326        netif_device_t *device;
    337         ERROR_PROPAGATE(find_device(device_id, &device));
    338         if(device->nil_phone > 0)
     327        int rc;
     328       
     329        rc = find_device(device_id, &device);
     330        if (rc != EOK)
     331                return rc;
     332       
     333        if (device->nil_phone > 0)
    339334                return ELIMIT;
    340335       
     
    347342/** Process the netif module messages.
    348343 *
    349  * @param[in]  name         Module name.
    350  * @param[in]  callid       The message identifier.
    351  * @param[in]  call         The message parameters.
    352  * @param[out] answer       The message answer parameters.
    353  * @param[out] answer_count The last parameter for the actual answer
    354  *                          in the answer parameter.
    355  *
    356  * @return EOK on success.
    357  * @return ENOTSUP if the message is not known.
    358  * @return Other error codes as defined for each specific module message function.
     344 * @param[in] name      Module name.
     345 * @param[in] callid    The message identifier.
     346 * @param[in] call      The message parameters.
     347 * @param[out] answer   The message answer parameters.
     348 * @param[out] answer_count The last parameter for the actual answer in the
     349 *                      answer parameter.
     350 * @return              EOK on success.
     351 * @return              ENOTSUP if the message is not known.
     352 * @return              Other error codes as defined for each specific module
     353 *                      message function.
    359354 *
    360355 * @see IS_NET_NETIF_MESSAGE()
     
    364359    ipc_call_t *call, ipc_call_t *answer, int *answer_count)
    365360{
    366         ERROR_DECLARE;
    367        
    368361        size_t length;
    369362        device_stats_t stats;
    370         packet_t packet;
     363        packet_t *packet;
    371364        measured_string_t address;
     365        int rc;
    372366       
    373367        *answer_count = 0;
    374368        switch (IPC_GET_METHOD(*call)) {
    375                 case IPC_M_PHONE_HUNGUP:
    376                         return EOK;
    377                 case NET_NETIF_PROBE:
    378                         return netif_probe_req_local(0, IPC_GET_DEVICE(call),
    379                             NETIF_GET_IRQ(call), NETIF_GET_IO(call));
    380                 case IPC_M_CONNECT_TO_ME:
    381                         fibril_rwlock_write_lock(&netif_globals.lock);
    382                         ERROR_CODE = register_message(name, IPC_GET_DEVICE(call),
    383                             IPC_GET_PHONE(call));
    384                         fibril_rwlock_write_unlock(&netif_globals.lock);
    385                         return ERROR_CODE;
    386                 case NET_NETIF_SEND:
    387                         ERROR_PROPAGATE(packet_translate_remote(netif_globals.net_phone,
    388                             &packet, IPC_GET_PACKET(call)));
    389                         return netif_send_msg_local(0, IPC_GET_DEVICE(call), packet,
    390                             IPC_GET_SENDER(call));
    391                 case NET_NETIF_START:
    392                         return netif_start_req_local(0, IPC_GET_DEVICE(call));
    393                 case NET_NETIF_STATS:
    394                         fibril_rwlock_read_lock(&netif_globals.lock);
    395                         if (!ERROR_OCCURRED(async_data_read_receive(&callid, &length))) {
    396                                 if (length < sizeof(device_stats_t))
    397                                         ERROR_CODE = EOVERFLOW;
    398                                 else {
    399                                         if (!ERROR_OCCURRED(netif_get_device_stats(
    400                                             IPC_GET_DEVICE(call), &stats)))
    401                                                 ERROR_CODE = async_data_read_finalize(callid, &stats,
    402                                                     sizeof(device_stats_t));
    403                                 }
    404                         }
     369        case IPC_M_PHONE_HUNGUP:
     370                return EOK;
     371       
     372        case NET_NETIF_PROBE:
     373                return netif_probe_req_local(0, IPC_GET_DEVICE(call),
     374                    NETIF_GET_IRQ(call), NETIF_GET_IO(call));
     375                   
     376        case IPC_M_CONNECT_TO_ME:
     377                fibril_rwlock_write_lock(&netif_globals.lock);
     378                rc = register_message(name, IPC_GET_DEVICE(call),
     379                    IPC_GET_PHONE(call));
     380                fibril_rwlock_write_unlock(&netif_globals.lock);
     381                return rc;
     382               
     383        case NET_NETIF_SEND:
     384                rc = packet_translate_remote(netif_globals.net_phone, &packet,
     385                    IPC_GET_PACKET(call));
     386                if (rc != EOK)
     387                        return rc;
     388                return netif_send_msg_local(0, IPC_GET_DEVICE(call), packet,
     389                    IPC_GET_SENDER(call));
     390               
     391        case NET_NETIF_START:
     392                return netif_start_req_local(0, IPC_GET_DEVICE(call));
     393               
     394        case NET_NETIF_STATS:
     395                fibril_rwlock_read_lock(&netif_globals.lock);
     396
     397                rc = async_data_read_receive(&callid, &length);
     398                if (rc != EOK) {
    405399                        fibril_rwlock_read_unlock(&netif_globals.lock);
    406                         return ERROR_CODE;
    407                 case NET_NETIF_STOP:
    408                         return netif_stop_req_local(0, IPC_GET_DEVICE(call));
    409                 case NET_NETIF_GET_ADDR:
    410                         fibril_rwlock_read_lock(&netif_globals.lock);
    411                         if (!ERROR_OCCURRED(netif_get_addr_message(IPC_GET_DEVICE(call),
    412                             &address)))
    413                                 ERROR_CODE = measured_strings_reply(&address, 1);
     400                        return rc;
     401                }
     402                if (length < sizeof(device_stats_t)) {
    414403                        fibril_rwlock_read_unlock(&netif_globals.lock);
    415                         return ERROR_CODE;
     404                        return EOVERFLOW;
     405                }
     406
     407                rc = netif_get_device_stats(IPC_GET_DEVICE(call), &stats);
     408                if (rc == EOK) {
     409                        rc = async_data_read_finalize(callid, &stats,
     410                            sizeof(device_stats_t));
     411                }
     412
     413                fibril_rwlock_read_unlock(&netif_globals.lock);
     414                return rc;
     415
     416        case NET_NETIF_STOP:
     417                return netif_stop_req_local(0, IPC_GET_DEVICE(call));
     418               
     419        case NET_NETIF_GET_ADDR:
     420                fibril_rwlock_read_lock(&netif_globals.lock);
     421                rc = netif_get_addr_message(IPC_GET_DEVICE(call), &address);
     422                if (rc == EOK)
     423                        rc = measured_strings_reply(&address, 1);
     424                fibril_rwlock_read_unlock(&netif_globals.lock);
     425                return rc;
    416426        }
    417427       
     
    421431/** Start the network interface module.
    422432 *
    423  * Initialize the client connection serving function, initialize
    424  * the module, registers the module service and start the async
    425  * manager, processing IPC messages in an infinite loop.
    426  *
    427  * @param[in] client_connection The client connection processing
    428  *                              function. The module skeleton propagates
    429  *                              its own one.
    430  *
    431  * @return EOK on success.
    432  * @return Other error codes as defined for each specific module message
    433  *         function.
    434  *
     433 * Initialize the client connection serving function, initialize the module,
     434 * registers the module service and start the async manager, processing IPC
     435 * messages in an infinite loop.
     436 *
     437 * @param[in] client_connection The client connection processing function.
     438 *                      The module skeleton propagates its own one.
     439 * @return              EOK on success.
     440 * @return              Other error codes as defined for each specific module
     441 *                      message function.
    435442 */
    436443int netif_module_start_standalone(async_client_conn_t client_connection)
    437444{
    438         ERROR_DECLARE;
    439        
    440         ERROR_PROPAGATE(netif_init_module(client_connection));
     445        int rc;
     446       
     447        rc = netif_init_module(client_connection);
     448        if (rc != EOK)
     449                return rc;
    441450       
    442451        async_manager();
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