net/virtio-user: support Rx interrupt

[dpdk.git] / drivers / net / virtio / virtio_user / virtio_user_dev.c

diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c b/drivers/net/virtio/virtio_user/virtio_user_dev.c
index b0070d5..8471975 100644 (file)
--- a/drivers/net/virtio/virtio_user/virtio_user_dev.c
+++ b/drivers/net/virtio/virtio_user/virtio_user_dev.c
@@ -250,6 +250,30 @@ virtio_user_dev_init_notify(struct virtio_user_dev *dev)
        return 0;
 }
 
+static int
+virtio_user_fill_intr_handle(struct virtio_user_dev *dev)
+{
+       uint32_t i;
+       struct rte_eth_dev *eth_dev = &rte_eth_devices[dev->port_id];
+
+       if (!eth_dev->intr_handle) {
+               eth_dev->intr_handle = malloc(sizeof(*eth_dev->intr_handle));
+               if (!eth_dev->intr_handle) {
+                       PMD_DRV_LOG(ERR, "fail to allocate intr_handle");
+                       return -1;
+               }
+               memset(eth_dev->intr_handle, 0, sizeof(*eth_dev->intr_handle));
+       }
+
+       for (i = 0; i < dev->max_queue_pairs; ++i)
+               eth_dev->intr_handle->efds[i] = dev->callfds[i];
+       eth_dev->intr_handle->nb_efd = dev->max_queue_pairs;
+       eth_dev->intr_handle->max_intr = dev->max_queue_pairs + 1;
+       eth_dev->intr_handle->type = RTE_INTR_HANDLE_VDEV;
+
+       return 0;
+}
+
 static int
 virtio_user_dev_setup(struct virtio_user_dev *dev)
 {
@@ -262,6 +286,9 @@ virtio_user_dev_setup(struct virtio_user_dev *dev)
        if (virtio_user_dev_init_notify(dev) < 0)
                return -1;
 
+       if (virtio_user_fill_intr_handle(dev) < 0)
+               return -1;
+
        if (is_vhost_user_by_type(dev->path)) {
                dev->ops = &ops_user;
        } else {