Changeset 8fb1bf82 in mainline for uspace/srv/net/netif/lo/lo.c

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:

• uspace/srv/net/netif/lo/lo.c (modified) (8 diffs)

uspace/srv/net/netif/lo/lo.c

@@ -28 +28 @@
 
 /** @addtogroup lo
- *  @{
+ * @{
  */
 
 /** @file
- *  Loopback network interface implementation.
+ * Loopback network interface implementation.
  */
 
 #include <async.h>
 #include <errno.h>
-#include <err.h>
 #include <stdio.h>
 #include <str.h>
@@ -53 +52 @@
 #include <netif_local.h>
 
-/** Default hardware address.
- */
+/** Default hardware address. */
 #define DEFAULT_ADDR            "\0\0\0\0\0\0"
 
-/** Default address length.
- */
+/** Default address length. */
 #define DEFAULT_ADDR_LEN        (sizeof(DEFAULT_ADDR) / sizeof(char))
 
-/** Loopback module name.
- */
+/** Loopback module name. */
 #define NAME  "lo"
 
-/** Network interface global data.
- */
+/** Network interface global data. */
 netif_globals_t netif_globals;
 
-/** Changes the loopback state.
- *  @param[in] device The device structure.
- *  @param[in] state The new device state.
- *  @returns The new state if changed.
- *  @returns EOK otherwise.
- */
-int change_state_message(netif_device_t * device, device_state_t state);
-
-/** Creates and returns the loopback network interface structure.
- *  @param[in] device_id The new devce identifier.
- *  @param[out] device The device structure.
- *  @returns EOK on success.
- *  @returns EXDEV if one loopback network interface already exists.
- *  @returns ENOMEM if there is not enough memory left.
- */
-int create(device_id_t device_id, netif_device_t * * device);
-
-int netif_specific_message(ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count){
+int netif_specific_message(ipc_callid_t callid, ipc_call_t *call,
+    ipc_call_t *answer, int *answer_count)
+{
         return ENOTSUP;
 }
 
-int netif_get_addr_message(device_id_t device_id, measured_string_ref address){
-        if(! address){
+int netif_get_addr_message(device_id_t device_id, measured_string_t *address)
+{
+        if (!address)
                 return EBADMEM;
-        }
+
         address->value = str_dup(DEFAULT_ADDR);
         address->length = DEFAULT_ADDR_LEN;
-        return EOK;
-}
-
-int netif_get_device_stats(device_id_t device_id, device_stats_ref stats){
-        ERROR_DECLARE;
-
-        netif_device_t * device;
-
-        if(! stats){
+
+        return EOK;
+}
+
+int netif_get_device_stats(device_id_t device_id, device_stats_t *stats)
+{
+        netif_device_t *device;
+        int rc;
+
+        if (!stats)
                 return EBADMEM;
-        }
-        ERROR_PROPAGATE(find_device(device_id, &device));
-        memcpy(stats, (device_stats_ref) device->specific, sizeof(device_stats_t));
-        return EOK;
-}
-
-int change_state_message(netif_device_t * device, device_state_t state)
+
+        rc = find_device(device_id, &device);
+        if (rc != EOK)
+                return rc;
+
+        memcpy(stats, (device_stats_t *) device->specific,
+            sizeof(device_stats_t));
+
+        return EOK;
+}
+
+/** Changes the loopback state.
+ *
+ * @param[in] device    The device structure.
+ * @param[in] state     The new device state.
+ * @return              The new state if changed.
+ * @return              EOK otherwise.
+ */
+static int change_state_message(netif_device_t *device, device_state_t state)
 {
         if (device->state != state) {
@@ -126 +120 @@
 }
 
-int create(device_id_t device_id, netif_device_t * * device){
+/** Creates and returns the loopback network interface structure.
+ *
+ * @param[in] device_id The new devce identifier.
+ * @param[out] device   The device structure.
+ * @return              EOK on success.
+ * @return              EXDEV if one loopback network interface already exists.
+ * @return              ENOMEM if there is not enough memory left.
+ */
+static int create(device_id_t device_id, netif_device_t **device)
+{
         int index;
 
-        if(netif_device_map_count(&netif_globals.device_map) > 0){
+        if (netif_device_map_count(&netif_globals.device_map) > 0)
                 return EXDEV;
-        }else{
-                *device = (netif_device_t *) malloc(sizeof(netif_device_t));
-                if(!(*device)){
-                        return ENOMEM;
-                }
-                (** device).specific = malloc(sizeof(device_stats_t));
-                if(! (** device).specific){
-                        free(*device);
-                        return ENOMEM;
-                }
-                null_device_stats((device_stats_ref)(** device).specific);
-                (** device).device_id = device_id;
-                (** device).nil_phone = -1;
-                (** device).state = NETIF_STOPPED;
-                index = netif_device_map_add(&netif_globals.device_map, (** device).device_id, * device);
-                if(index < 0){
-                        free(*device);
-                        free((** device).specific);
-                        *device = NULL;
-                        return index;
-                }
-        }
-        return EOK;
-}
-
-int netif_initialize(void){
+
+        *device = (netif_device_t *) malloc(sizeof(netif_device_t));
+        if (!*device)
+                return ENOMEM;
+
+        (*device)->specific = (device_stats_t *) malloc(sizeof(device_stats_t));
+        if (!(*device)->specific) {
+                free(*device);
+                return ENOMEM;
+        }
+
+        null_device_stats((device_stats_t *) (*device)->specific);
+        (*device)->device_id = device_id;
+        (*device)->nil_phone = -1;
+        (*device)->state = NETIF_STOPPED;
+        index = netif_device_map_add(&netif_globals.device_map,
+            (*device)->device_id, *device);
+
+        if (index < 0) {
+                free(*device);
+                free((*device)->specific);
+                *device = NULL;
+                return index;
+        }
+        
+        return EOK;
+}
+
+int netif_initialize(void)
+{
         ipcarg_t phonehash;
 
@@ -162 +169 @@
 }
 
-int netif_probe_message(device_id_t device_id, int irq, uintptr_t io){
-        ERROR_DECLARE;
-
-        netif_device_t * device;
-
-        // create a new device
-        ERROR_PROPAGATE(create(device_id, &device));
-        // print the settings
+int netif_probe_message(device_id_t device_id, int irq, uintptr_t io)
+{
+        netif_device_t *device;
+        int rc;
+
+        /* Create a new device */
+        rc = create(device_id, &device);
+        if (rc != EOK)
+                return rc;
+
+        /* Print the settings */
         printf("%s: Device created (id: %d)\n", NAME, device->device_id);
-        return EOK;
-}
-
-int netif_send_message(device_id_t device_id, packet_t packet, services_t sender){
-        ERROR_DECLARE;
-
-        netif_device_t * device;
+
+        return EOK;
+}
+
+int netif_send_message(device_id_t device_id, packet_t *packet, services_t sender)
+{
+        netif_device_t *device;
         size_t length;
-        packet_t next;
+        packet_t *next;
         int phone;
-
-        ERROR_PROPAGATE(find_device(device_id, &device));
-        if(device->state != NETIF_ACTIVE){
+        int rc;
+
+        rc = find_device(device_id, &device);
+        if (rc != EOK)
+                return EOK;
+
+        if (device->state != NETIF_ACTIVE) {
                 netif_pq_release(packet_get_id(packet));
                 return EFORWARD;
         }
+
         next = packet;
-        do{
-                ++ ((device_stats_ref) device->specific)->send_packets;
-                ++ ((device_stats_ref) device->specific)->receive_packets;
+        do {
+                ((device_stats_t *) device->specific)->send_packets++;
+                ((device_stats_t *) device->specific)->receive_packets++;
                 length = packet_get_data_length(next);
-                ((device_stats_ref) device->specific)->send_bytes += length;
-                ((device_stats_ref) device->specific)->receive_bytes += length;
+                ((device_stats_t *) device->specific)->send_bytes += length;
+                ((device_stats_t *) device->specific)->receive_bytes += length;
                 next = pq_next(next);
-        }while(next);
+        } while(next);
+
         phone = device->nil_phone;
         fibril_rwlock_write_unlock(&netif_globals.lock);
         nil_received_msg(phone, device_id, packet, sender);
         fibril_rwlock_write_lock(&netif_globals.lock);
-        return EOK;
-}
-
-int netif_start_message(netif_device_t * device){
+        
+        return EOK;
+}
+
+int netif_start_message(netif_device_t *device)
+{
         return change_state_message(device, NETIF_ACTIVE);
 }
 
-int netif_stop_message(netif_device_t * device){
+int netif_stop_message(netif_device_t *device)
+{
         return change_state_message(device, NETIF_STOPPED);
 }
@@ -213 +232 @@
 /** Default thread for new connections.
  *
- * @param[in] iid The initial message identifier.
- * @param[in] icall The initial message call structure.
- *
+ * @param[in] iid       The initial message identifier.
+ * @param[in] icall     The initial message call structure.
  */
 static void netif_client_connection(ipc_callid_t iid, ipc_call_t *icall)
@@ -225 +243 @@
         ipc_answer_0(iid, EOK);
         
-        while(true) {
+        while (true) {
                 ipc_call_t answer;
                 int answer_count;
@@ -240 +258 @@
                     &answer_count);
                 
-                /* End if said to either by the message or the processing result */
-                if ((IPC_GET_METHOD(call) == IPC_M_PHONE_HUNGUP) || (res == EHANGUP))
+                /*
+                 * End if told to either by the message or the processing
+                 * result.
+                 */
+                if ((IPC_GET_METHOD(call) == IPC_M_PHONE_HUNGUP) ||
+                    (res == EHANGUP))
                         return;
                 
@@ -251 +273 @@
 int main(int argc, char *argv[])
 {
-        ERROR_DECLARE;
+        int rc;
         
         /* Start the module */
-        if (ERROR_OCCURRED(netif_module_start(netif_client_connection)))
-                return ERROR_CODE;
-        
-        return EOK;
+        rc = netif_module_start(netif_client_connection);
+        return rc;
 }