net/iavf: release port upon close

Set RTE_ETH_DEV_CLOSE_REMOVE upon probe so all the private resources
for the port can be freed by rte_eth_dev_close().

Signed-off-by: Steve Yang <stevex.yang@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>

diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c
index ae1ed58..28ca3fa 100644 (file)
--- a/drivers/net/iavf/iavf_ethdev.c
+++ b/drivers/net/iavf/iavf_ethdev.c
@@ -1405,6 +1405,11 @@ iavf_dev_init(struct rte_eth_dev *eth_dev)
        adapter->eth_dev = eth_dev;
        adapter->stopped = 1;
 
+       /* Pass the information to the rte_eth_dev_close() that it should also
+        * release the private port resources.
+        */
+       eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
+
        if (iavf_init_vf(eth_dev) != 0) {
                PMD_INIT_LOG(ERR, "Init vf failed");
                return -1;
@@ -1459,6 +1464,7 @@ iavf_dev_close(struct rte_eth_dev *dev)
        struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
        struct iavf_adapter *adapter =
                IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
+       struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 
        iavf_dev_stop(dev);
        iavf_flow_flush(dev, NULL);
@@ -1471,20 +1477,21 @@ iavf_dev_close(struct rte_eth_dev *dev)
        rte_intr_callback_unregister(intr_handle,
                                     iavf_dev_interrupt_handler, dev);
        iavf_disable_irq0(hw);
-}
-
-static int
-iavf_dev_uninit(struct rte_eth_dev *dev)
-{
-       struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
-
-       if (rte_eal_process_type() != RTE_PROC_PRIMARY)
-               return -EPERM;
 
        dev->dev_ops = NULL;
        dev->rx_pkt_burst = NULL;
        dev->tx_pkt_burst = NULL;
-       iavf_dev_close(dev);
+
+       if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
+               if (vf->rss_lut) {
+                       rte_free(vf->rss_lut);
+                       vf->rss_lut = NULL;
+               }
+               if (vf->rss_key) {
+                       rte_free(vf->rss_key);
+                       vf->rss_key = NULL;
+               }
+       }
 
        rte_free(vf->vf_res);
        vf->vsi_res = NULL;
@@ -1492,15 +1499,15 @@ iavf_dev_uninit(struct rte_eth_dev *dev)
 
        rte_free(vf->aq_resp);
        vf->aq_resp = NULL;
+}
 
-       if (vf->rss_lut) {
-               rte_free(vf->rss_lut);
-               vf->rss_lut = NULL;
-       }
-       if (vf->rss_key) {
-               rte_free(vf->rss_key);
-               vf->rss_key = NULL;
-       }
+static int
+iavf_dev_uninit(struct rte_eth_dev *dev)
+{
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+               return -EPERM;
+
+       iavf_dev_close(dev);
 
        return 0;
 }