[v15,5/7] drivers/net: enable device detach on secondary
diff mbox series

Message ID 20180816030455.41354-6-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State Superseded, archived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/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Zhang, Qi Z Aug. 16, 2018, 3:04 a.m. UTC
With the enabling for hotplug on multi-process,
rte_eth_dev_pci_generic_remove can be used to detach the device from
a secondary process also. But we need to take care of the uninit callback
parameter to make sure it handles the secondary case correctly.

Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
 drivers/net/bnxt/bnxt_ethdev.c     | 6 +++++-
 drivers/net/ena/ena_ethdev.c       | 2 +-
 drivers/net/liquidio/lio_ethdev.c  | 2 +-
 drivers/net/virtio/virtio_ethdev.c | 2 +-
 4 files changed, 8 insertions(+), 4 deletions(-)

Patch
diff mbox series

diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index cc7e4391c..c092bdb06 100644
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -3515,7 +3515,11 @@  static int bnxt_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
 
 static int bnxt_pci_remove(struct rte_pci_device *pci_dev)
 {
-	return rte_eth_dev_pci_generic_remove(pci_dev, bnxt_dev_uninit);
+	if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+		return rte_eth_dev_pci_generic_remove(pci_dev,
+				bnxt_dev_uninit);
+	else
+		return rte_eth_dev_pci_generic_remove(pci_dev, NULL);
 }
 
 static struct rte_pci_driver bnxt_rte_pmd = {
diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c
index c255dc6db..c29a581e8 100644
--- a/drivers/net/ena/ena_ethdev.c
+++ b/drivers/net/ena/ena_ethdev.c
@@ -1703,7 +1703,7 @@  static int eth_ena_dev_uninit(struct rte_eth_dev *eth_dev)
 		(struct ena_adapter *)(eth_dev->data->dev_private);
 
 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
-		return -EPERM;
+		return 0;
 
 	if (adapter->state != ENA_ADAPTER_STATE_CLOSED)
 		ena_close(eth_dev);
diff --git a/drivers/net/liquidio/lio_ethdev.c b/drivers/net/liquidio/lio_ethdev.c
index 93e89007a..0f59e4475 100644
--- a/drivers/net/liquidio/lio_ethdev.c
+++ b/drivers/net/liquidio/lio_ethdev.c
@@ -2038,7 +2038,7 @@  lio_eth_dev_uninit(struct rte_eth_dev *eth_dev)
 	PMD_INIT_FUNC_TRACE();
 
 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
-		return -EPERM;
+		return 0;
 
 	/* lio_free_sc_buffer_pool */
 	lio_free_sc_buffer_pool(lio_dev);
diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index 614357da7..0f110fde7 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -1697,7 +1697,7 @@  eth_virtio_dev_uninit(struct rte_eth_dev *eth_dev)
 	PMD_INIT_FUNC_TRACE();
 
 	if (rte_eal_process_type() == RTE_PROC_SECONDARY)
-		return -EPERM;
+		return 0;
 
 	virtio_dev_stop(eth_dev);
 	virtio_dev_close(eth_dev);