Changeset 948911d in mainline for uspace/srv/net/nil/nildummy/nildummy.c

Timestamp:

2012-01-24T02:27:43Z (12 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

230385c

Parents:

8afeb04 (diff), 2df6f6fe (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:

Mainline changes.

File:

• uspace/srv/net/nil/nildummy/nildummy.c (modified) (12 diffs)

uspace/srv/net/nil/nildummy/nildummy.c

@@ -2 +2 @@
  * Copyright (c) 2009 Lukas Mejdrech
  * Copyright (c) 2011 Radim Vansa
+ * Copyright (c) 2011 Jiri Svoboda
  * All rights reserved.
  *
@@ -53 +54 @@
 #include <packet_remote.h>
 #include <packet_client.h>
-#include <devman.h>
 #include <device/nic.h>
+#include <loc.h>
 #include <nil_skel.h>
 #include "nildummy.h"
@@ -69 +70 @@
 DEVICE_MAP_IMPLEMENT(nildummy_devices, nildummy_device_t);
 
-int nil_device_state_msg_local(nic_device_id_t device_id, sysarg_t state)
+static void nildummy_nic_cb_conn(ipc_callid_t iid, ipc_call_t *icall,
+    void *arg);
+
+static int nildummy_device_state(nic_device_id_t device_id, sysarg_t state)
 {
         fibril_rwlock_read_lock(&nildummy_globals.protos_lock);
@@ -78 +82 @@
         
         return EOK;
+}
+
+static int nildummy_addr_changed(nic_device_id_t device_id)
+{
+        return ENOTSUP;
 }
 
@@ -115 +124 @@
  */
 static int nildummy_device_message(nic_device_id_t device_id,
-    devman_handle_t handle, size_t mtu)
+    service_id_t sid, size_t mtu)
 {
         fibril_rwlock_write_lock(&nildummy_globals.devices_lock);
@@ -123 +132 @@
             nildummy_devices_find(&nildummy_globals.devices, device_id);
         if (device) {
-                if (device->handle != handle) {
+                if (device->sid != sid) {
                         printf("Device %d exists, handles do not match\n",
                             device->device_id);
@@ -158 +167 @@
         
         device->device_id = device_id;
-        device->handle = handle;
+        device->sid = sid;
         if (mtu > 0)
                 device->mtu = mtu;
@@ -165 +174 @@
         
         /* Bind the device driver */
-        device->sess = devman_device_connect(EXCHANGE_SERIALIZE, handle,
+        device->sess = loc_service_connect(EXCHANGE_SERIALIZE, sid,
             IPC_FLAG_BLOCKING);
         if (device->sess == NULL) {
@@ -173 +182 @@
         }
         
-        nic_connect_to_nil(device->sess, SERVICE_NILDUMMY, device_id);
+        int rc = nic_callback_create(device->sess, device_id,
+            nildummy_nic_cb_conn, NULL);
+        if (rc != EOK) {
+                async_hangup(device->sess);
+                
+                return ENOENT;
+        }
         
         /* Get hardware address */
-        int rc = nic_get_address(device->sess, &device->addr);
+        rc = nic_get_address(device->sess, &device->addr);
         if (rc != EOK) {
                 fibril_rwlock_write_unlock(&nildummy_globals.devices_lock);
@@ -345 +360 @@
     services_t sender)
 {
+        packet_t *p;
+        
         fibril_rwlock_read_lock(&nildummy_globals.devices_lock);
         
@@ -354 +371 @@
         }
         
-        /* Send packet queue */
-        if (packet)
-                nic_send_message(device->sess, packet_get_id(packet));
+        p = packet;
+        do {
+                nic_send_frame(device->sess, packet_get_data(p),
+                    packet_get_data_length(p));
+                p = pq_next(p);
+        } while (p != NULL);
+        
+        pq_release_remote(nildummy_globals.net_sess, packet_get_id(packet));
         
         fibril_rwlock_read_unlock(&nildummy_globals.devices_lock);
         
         return EOK;
+}
+
+static int nildummy_received(nic_device_id_t device_id)
+{
+        void *data;
+        size_t size;
+        int rc;
+
+        rc = async_data_write_accept(&data, false, 0, 0, 0, &size);
+        if (rc != EOK)
+                return rc;
+
+        packet_t *packet = packet_get_1_remote(nildummy_globals.net_sess, size);
+        if (packet == NULL)
+                return ENOMEM;
+
+        void *pdata = packet_suffix(packet, size);
+        memcpy(pdata, data, size);
+        free(pdata);
+
+        return nil_received_msg_local(device_id, packet);
 }
 
@@ -417 +460 @@
                 *answer_count = 1;
                 return rc;
-        case NET_NIL_DEVICE_STATE:
-                rc = nil_device_state_msg_local(IPC_GET_DEVICE(*call),
-                    IPC_GET_STATE(*call));
-                async_answer_0(callid, (sysarg_t) rc);
-                return rc;
-        
-        case NET_NIL_RECEIVED:
-                rc = packet_translate_remote(nildummy_globals.net_sess, &packet,
-                    IPC_GET_ARG2(*call));
-                if (rc == EOK)
-                        rc = nil_received_msg_local(IPC_GET_ARG1(*call), packet);
-                
-                async_answer_0(callid, (sysarg_t) rc);
-                return rc;
         }
         
         return ENOTSUP;
 }
+
+static void nildummy_nic_cb_conn(ipc_callid_t iid, ipc_call_t *icall, void *arg)
+{
+        int rc;
+        
+        async_answer_0(iid, EOK);
+        
+        while (true) {
+                ipc_call_t call;
+                ipc_callid_t callid = async_get_call(&call);
+                
+                if (!IPC_GET_IMETHOD(call))
+                        break;
+                
+                switch (IPC_GET_IMETHOD(call)) {
+                case NIC_EV_DEVICE_STATE:
+                        rc = nildummy_device_state(IPC_GET_ARG1(call),
+                            IPC_GET_ARG2(call));
+                        async_answer_0(callid, (sysarg_t) rc);
+                        break;
+                case NIC_EV_RECEIVED:
+                        rc = nildummy_received(IPC_GET_ARG1(call));
+                        async_answer_0(callid, (sysarg_t) rc);
+                        break;
+                case NIC_EV_ADDR_CHANGED:
+                        rc = nildummy_addr_changed(IPC_GET_ARG1(call));
+                        async_answer_0(callid, (sysarg_t) rc);
+                        break;
+                default:
+                        async_answer_0(callid, ENOTSUP);
+                }
+        }
+}
+
 
 int main(int argc, char *argv[])