diff mbox series

[v3,16/23] net/kni: enable port detach on secondary process

Message ID 20180625071745.16810-17-qi.z.zhang@intel.com (mailing list archive)
State Superseded, archived
Headers
Series enable hotplug on multi-process |

Checks

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

Commit Message

Qi Zhang June 25, 2018, 7:17 a.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_private, 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(+)
diff mbox series

Patch

diff --git a/drivers/net/kni/rte_eth_kni.c b/drivers/net/kni/rte_eth_kni.c
index ab63ea427..e5679c76a 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_private(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;