examples/vhost: minor fixes
[dpdk.git] / examples / vhost / main.c
index 8517fd3..291128e 100644 (file)
@@ -166,7 +166,7 @@ static uint32_t num_switching_cores = 0;
 
 /* number of devices/queues to support*/
 static uint32_t num_queues = 0;
-uint32_t num_devices = 0;
+static uint32_t num_devices;
 
 /*
  * Enable zero copy, pkts buffer will directly dma to hw descriptor,
@@ -984,7 +984,7 @@ unlink_vmdq(struct vhost_dev *vdev)
  * Check if the packet destination MAC address is for a local device. If so then put
  * the packet on that devices RX queue. If not then return.
  */
-static inline unsigned __attribute__((always_inline))
+static inline int __attribute__((always_inline))
 virtio_tx_local(struct vhost_dev *vdev, struct rte_mbuf *m)
 {
        struct virtio_net_data_ll *dev_ll;
@@ -1013,7 +1013,7 @@ virtio_tx_local(struct vhost_dev *vdev, struct rte_mbuf *m)
 
                        LOG_DEBUG(VHOST_DATA, "(%"PRIu64") TX: MAC address is local\n", tdev->device_fh);
 
-                       if (dev_ll->vdev->remove) {
+                       if (unlikely(dev_ll->vdev->remove)) {
                                /*drop the packet if the device is marked for removal*/
                                LOG_DEBUG(VHOST_DATA, "(%"PRIu64") Device is marked for removal\n", tdev->device_fh);
                        } else {
@@ -1211,7 +1211,7 @@ switch_worker(__attribute__((unused)) void *arg)
                        vdev = dev_ll->vdev;
                        dev = vdev->dev;
 
-                       if (vdev->remove) {
+                       if (unlikely(vdev->remove)) {
                                dev_ll = dev_ll->next;
                                unlink_vmdq(vdev);
                                vdev->ready = DEVICE_SAFE_REMOVE;
@@ -1250,7 +1250,7 @@ switch_worker(__attribute__((unused)) void *arg)
                                }
                        }
 
-                       if (!vdev->remove) {
+                       if (likely(!vdev->remove)) {
                                /* Handle guest TX*/
                                tx_count = rte_vhost_dequeue_burst(dev, VIRTIO_TXQ, mbuf_pool, pkts_burst, MAX_PKT_BURST);
                                /* If this is the first received packet we need to learn the MAC and setup VMDQ */
@@ -2702,8 +2702,7 @@ new_device (struct virtio_net *dev)
                }
        }
        /* Add device to lcore ll */
-       ll_dev->dev->coreid = core_add;
-       ll_dev = get_data_ll_free_entry(&lcore_info[ll_dev->dev->coreid].lcore_ll->ll_root_free);
+       ll_dev = get_data_ll_free_entry(&lcore_info[core_add].lcore_ll->ll_root_free);
        if (ll_dev == NULL) {
                RTE_LOG(INFO, VHOST_DATA, "(%"PRIu64") Failed to add device to data core\n", dev->device_fh);
                vdev->ready = DEVICE_SAFE_REMOVE;
@@ -2716,7 +2715,7 @@ new_device (struct virtio_net *dev)
        ll_dev->vdev = vdev;
        vdev->coreid = core_add;
 
-       add_data_ll_entry(&lcore_info[ll_dev->dev->coreid].lcore_ll->ll_root_used, ll_dev);
+       add_data_ll_entry(&lcore_info[vdev->coreid].lcore_ll->ll_root_used, ll_dev);
 
        /* Initialize device stats */
        memset(&dev_statistics[dev->device_fh], 0, sizeof(struct device_statistics));