When mlx4 device is probed, 2 different ethdev ports may be created for
the 2 physical ports of the device.
Wrongly, when the device is removed, the created ports are not released.
Close and release the ethdev ports in remove process.
Fixes: 7fae69eeff13 ("mlx4: new poll mode driver")
Cc: sta...@dpdk.org
Reported-by: David Marchand <david.march...@redhat.com>
Signed-off-by: Michael Baum <michae...@nvidia.com>
Acked-by: Matan Azrad <ma...@nvidia.com>
---
drivers/net/mlx4/mlx4.c | 35 ++++++++++++++++++++++++++++++++++-
1 file changed, 34 insertions(+), 1 deletion(-)
diff --git a/drivers/net/mlx4/mlx4.c b/drivers/net/mlx4/mlx4.c
index d5d8c96..7460afa 100644
--- a/drivers/net/mlx4/mlx4.c
+++ b/drivers/net/mlx4/mlx4.c
@@ -375,8 +375,10 @@ struct mlx4_conf {
struct mlx4_priv *priv = dev->data->dev_private;
unsigned int i;
- if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
+ rte_eth_dev_release_port(dev);
return 0;
+ }
DEBUG("%p: closing device \"%s\"",
(void *)dev,
((priv->ctx != NULL) ? priv->ctx->device->name : ""));
@@ -1123,6 +1125,36 @@ struct mlx4_conf {
return -err;
}
+/**
+ * DPDK callback to remove a PCI device.
+ *
+ * This function removes all Ethernet devices belong to a given PCI device.
+ *
+ * @param[in] pci_dev
+ * Pointer to the PCI device.
+ *
+ * @return
+ * 0 on success, the function cannot fail.
+ */
+static int
+mlx4_pci_remove(struct rte_pci_device *pci_dev)
+{
+ uint16_t port_id;
+ int ret = 0;
+
+ RTE_ETH_FOREACH_DEV_OF(port_id, &pci_dev->device) {
+ /*
+ * mlx4_dev_close() is not registered to secondary process,
+ * call the close function explicitly for secondary process.
+ */
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY)
+ ret |= mlx4_dev_close(&rte_eth_devices[port_id]);
+ else
+ ret |= rte_eth_dev_close(port_id);
+ }
+ return ret == 0 ? 0 : -EIO;
+}
+
static const struct rte_pci_id mlx4_pci_id_map[] = {
{
RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
@@ -1147,6 +1179,7 @@ struct mlx4_conf {
},
.id_table = mlx4_pci_id_map,
.probe = mlx4_pci_probe,
+ .remove = mlx4_pci_remove,
.drv_flags = RTE_PCI_DRV_INTR_LSC | RTE_PCI_DRV_INTR_RMV,
};
--
1.8.3.1
