[dpdk-dev,15/22] net/kni: enable port detach on secondary process
diff mbox series

Message ID 20180607123849.14439-16-qi.z.zhang@intel.com
State Superseded, archived
Delegated to: Thomas Monjalon
Headers show
Series
  • enable hotplug on multi-process
Related show

Checks

Context Check Description
ci/Intel-compilation fail Compilation issues
ci/checkpatch success coding style OK

Commit Message

Zhang, Qi Z June 7, 2018, 12:38 p.m. UTC
Previously, detach port on secondary process will mess primary
process and cause same device can't be attached again, by take
advantage of rte_eth_release_port_local, we can support this with
minor change.

Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
 drivers/net/kni/rte_eth_kni.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

Patch
diff mbox series

diff --git a/drivers/net/kni/rte_eth_kni.c b/drivers/net/kni/rte_eth_kni.c
index ab63ea427..3ee527ab2 100644
--- a/drivers/net/kni/rte_eth_kni.c
+++ b/drivers/net/kni/rte_eth_kni.c
@@ -419,6 +419,7 @@  eth_kni_probe(struct rte_vdev_device *vdev)
 		}
 		/* TODO: request info from primary to set up Rx and Tx */
 		eth_dev->dev_ops = &eth_kni_ops;
+		eth_dev->device = &vdev->device;
 		rte_eth_dev_probing_finish(eth_dev);
 		return 0;
 	}
@@ -463,6 +464,16 @@  eth_kni_remove(struct rte_vdev_device *vdev)
 	if (eth_dev == NULL)
 		return -1;
 
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+		/* detach device on local pprocess only */
+		if (strlen(rte_vdev_device_args(vdev)) == 0)
+			return rte_eth_dev_release_port_local(eth_dev);
+		/**
+		 * else this is a private device for current process
+		 * so continue with normal detach scenario
+		 */
+	}
+
 	eth_kni_dev_stop(eth_dev);
 
 	internals = eth_dev->data->dev_private;