net/af_packet: release port upon close

The flag RTE_ETH_DEV_CLOSE_REMOVE is set so all port resources
can be freed by rte_eth_dev_close().

Freeing of private port resources is moved
from the ".remove(device)" to the ".dev_close(port)" operation.

Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>

diff --git a/drivers/net/af_packet/rte_eth_af_packet.c b/drivers/net/af_packet/rte_eth_af_packet.c
index 7d0ff1c..12c202c 100644 (file)
--- a/drivers/net/af_packet/rte_eth_af_packet.c
+++ b/drivers/net/af_packet/rte_eth_af_packet.c
@@ -377,8 +377,32 @@ eth_stats_reset(struct rte_eth_dev *dev)
 }
 
 static int
-eth_dev_close(struct rte_eth_dev *dev __rte_unused)
+eth_dev_close(struct rte_eth_dev *dev)
 {
+       struct pmd_internals *internals;
+       struct tpacket_req *req;
+       unsigned int q;
+
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+               return 0;
+
+       PMD_LOG(INFO, "Closing AF_PACKET ethdev on NUMA socket %u",
+               rte_socket_id());
+
+       internals = dev->data->dev_private;
+       req = &internals->req;
+       for (q = 0; q < internals->nb_queues; q++) {
+               munmap(internals->rx_queue[q].map,
+                       2 * req->tp_block_size * req->tp_block_nr);
+               rte_free(internals->rx_queue[q].rd);
+               rte_free(internals->tx_queue[q].rd);
+       }
+       free(internals->if_name);
+       rte_free(internals->rx_queue);
+       rte_free(internals->tx_queue);
+
+       /* mac_addrs must not be freed alone because part of dev_private */
+       dev->data->mac_addrs = NULL;
        return 0;
 }
 
@@ -835,6 +859,7 @@ rte_pmd_init_internals(struct rte_vdev_device *dev,
        data->nb_tx_queues = (uint16_t)nb_queues;
        data->dev_link = pmd_link;
        data->mac_addrs = &(*internals)->eth_addr;
+       data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
 
        (*eth_dev)->dev_ops = &ops;
 
@@ -1033,13 +1058,7 @@ exit:
 static int
 rte_pmd_af_packet_remove(struct rte_vdev_device *dev)
 {
-       struct rte_eth_dev *eth_dev = NULL;
-       struct pmd_internals *internals;
-       struct tpacket_req *req;
-       unsigned q;
-
-       PMD_LOG(INFO, "Closing AF_PACKET ethdev on numa socket %u",
-               rte_socket_id());
+       struct rte_eth_dev *eth_dev;
 
        if (dev == NULL)
                return -1;
@@ -1047,26 +1066,9 @@ rte_pmd_af_packet_remove(struct rte_vdev_device *dev)
        /* find the ethdev entry */
        eth_dev = rte_eth_dev_allocated(rte_vdev_device_name(dev));
        if (eth_dev == NULL)
-               return -1;
-
-       /* mac_addrs must not be freed alone because part of dev_private */
-       eth_dev->data->mac_addrs = NULL;
-
-       if (rte_eal_process_type() != RTE_PROC_PRIMARY)
-               return rte_eth_dev_release_port(eth_dev);
-
-       internals = eth_dev->data->dev_private;
-       req = &internals->req;
-       for (q = 0; q < internals->nb_queues; q++) {
-               munmap(internals->rx_queue[q].map,
-                       2 * req->tp_block_size * req->tp_block_nr);
-               rte_free(internals->rx_queue[q].rd);
-               rte_free(internals->tx_queue[q].rd);
-       }
-       free(internals->if_name);
-       rte_free(internals->rx_queue);
-       rte_free(internals->tx_queue);
+               return 0; /* port already released */
 
+       eth_dev_close(eth_dev);
        rte_eth_dev_release_port(eth_dev);
 
        return 0;