net/memif: allow stopping and closing device

Bugzilla ID: 888
Fixes: febc855b358e ("ethdev: forbid closing started device")
Cc: stable@dpdk.org
Signed-off-by: Junxiao Shi <git@mail1.yoursunny.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>

diff --git a/drivers/net/memif/rte_eth_memif.c b/drivers/net/memif/rte_eth_memif.c
index 43d7378..e3d523a 100644 (file)
--- a/drivers/net/memif/rte_eth_memif.c
+++ b/drivers/net/memif/rte_eth_memif.c
@@ -1260,6 +1260,13 @@ memif_dev_start(struct rte_eth_dev *dev)
        return ret;
 }
 
+static int
+memif_dev_stop(struct rte_eth_dev *dev)
+{
+       memif_disconnect(dev);
+       return 0;
+}
+
 static int
 memif_dev_close(struct rte_eth_dev *dev)
 {
@@ -1268,7 +1275,6 @@ memif_dev_close(struct rte_eth_dev *dev)
 
        if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
                memif_msg_enq_disconnect(pmd->cc, "Device closed", 0);
-               memif_disconnect(dev);
 
                for (i = 0; i < dev->data->nb_rx_queues; i++)
                        (*dev->dev_ops->rx_queue_release)(dev, i);
@@ -1276,8 +1282,6 @@ memif_dev_close(struct rte_eth_dev *dev)
                        (*dev->dev_ops->tx_queue_release)(dev, i);
 
                memif_socket_remove_device(dev);
-       } else {
-               memif_disconnect(dev);
        }
 
        rte_free(dev->process_private);
@@ -1515,6 +1519,7 @@ memif_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t qid __rte_unused)
 
 static const struct eth_dev_ops ops = {
        .dev_start = memif_dev_start,
+       .dev_stop = memif_dev_stop,
        .dev_close = memif_dev_close,
        .dev_infos_get = memif_dev_info,
        .dev_configure = memif_dev_configure,