[dpdk-dev] [PATCH v3 15/23] net/failsafe: enable port detach on secondary process
Qi Zhang
qi.z.zhang at intel.com
Mon Jun 25 09:17:37 CEST 2018
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 at intel.com>
---
drivers/net/failsafe/failsafe.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/drivers/net/failsafe/failsafe.c b/drivers/net/failsafe/failsafe.c
index eafbb75df..c5e8651f6 100644
--- a/drivers/net/failsafe/failsafe.c
+++ b/drivers/net/failsafe/failsafe.c
@@ -328,6 +328,7 @@ rte_pmd_failsafe_probe(struct rte_vdev_device *vdev)
}
/* TODO: request info from primary to set up Rx and Tx */
eth_dev->dev_ops = &failsafe_ops;
+ eth_dev->device = &vdev->device;
rte_eth_dev_probing_finish(eth_dev);
return 0;
}
@@ -338,10 +339,25 @@ rte_pmd_failsafe_probe(struct rte_vdev_device *vdev)
static int
rte_pmd_failsafe_remove(struct rte_vdev_device *vdev)
{
+ struct rte_eth_dev *eth_dev;
const char *name;
name = rte_vdev_device_name(vdev);
INFO("Uninitializing " FAILSAFE_DRIVER_NAME " for %s", name);
+
+ eth_dev = rte_eth_dev_allocated(name);
+ if (!eth_dev)
+ return -ENODEV;
+ 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.
+ */
+ }
+
return fs_rte_eth_free(name);
}
--
2.13.6
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