From: Dariusz Sosnowski <dsosnowski@nvidia.com>
To: Viacheslav Ovsiienko <viacheslavo@nvidia.com>,
Bing Zhao <bingz@nvidia.com>, Ori Kam <orika@nvidia.com>,
Suanming Mou <suanmingm@nvidia.com>,
Matan Azrad <matan@nvidia.com>
Cc: <dev@dpdk.org>
Subject: [PATCH 10/13] common/mlx5: add check for managed device
Date: Mon, 26 Oct 2026 17:27:06 +0100 [thread overview]
Message-ID: <20261026162709.1292958-11-dsosnowski@nvidia.com> (raw)
In-Reply-To: <20261026162709.1292958-1-dsosnowski@nvidia.com>
Add a common function for checking whether given
device is managed by any mlx5 driver.
Signed-off-by: Dariusz Sosnowski <dsosnowski@nvidia.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
---
drivers/common/mlx5/mlx5_common.c | 11 +++++++++++
drivers/common/mlx5/mlx5_common.h | 14 ++++++++++++++
drivers/net/mlx5/mlx5.c | 8 +-------
3 files changed, 26 insertions(+), 7 deletions(-)
diff --git a/drivers/common/mlx5/mlx5_common.c b/drivers/common/mlx5/mlx5_common.c
index 57f484fcb7..46da81ebd8 100644
--- a/drivers/common/mlx5/mlx5_common.c
+++ b/drivers/common/mlx5/mlx5_common.c
@@ -1516,6 +1516,17 @@ mlx5_devx_uar_prepare(struct mlx5_common_device *cdev, struct mlx5_uar *uar)
return 0;
}
+RTE_EXPORT_INTERNAL_SYMBOL(mlx5_dev_is_managed)
+bool
+mlx5_dev_is_managed(const struct rte_device *dev)
+{
+ if (dev == NULL || dev->driver == NULL || dev->driver->name == NULL)
+ return false;
+
+ return strcmp(dev->driver->name, MLX5_PCI_DRIVER_NAME) == 0 ||
+ strcmp(dev->driver->name, MLX5_AUXILIARY_DRIVER_NAME) == 0;
+}
+
RTE_EXPORT_INTERNAL_SYMBOL(mlx5_dev_matches)
bool
mlx5_dev_matches(const struct rte_device *dev,
diff --git a/drivers/common/mlx5/mlx5_common.h b/drivers/common/mlx5/mlx5_common.h
index 0d940b1fdf..548f0c887b 100644
--- a/drivers/common/mlx5/mlx5_common.h
+++ b/drivers/common/mlx5/mlx5_common.h
@@ -601,6 +601,20 @@ __rte_internal
void
mlx5_class_driver_register(struct mlx5_class_driver *driver);
+/**
+ * Check if given EAL device is managed by any mlx5 driver.
+ *
+ * @param dev
+ * Pointer to device.
+ *
+ * @return
+ * - True if device is managed by mlx5 driver.
+ * - False otherwise.
+ */
+__rte_internal
+bool
+mlx5_dev_is_managed(const struct rte_device *dev);
+
/**
* Test device is a PCI bus device.
*
diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index 19491b9dc9..7093eefa15 100644
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -3499,13 +3499,7 @@ mlx5_eth_find_next(uint16_t port_id, struct rte_device *odev)
if (dev->state != RTE_ETH_DEV_UNUSED &&
dev->device &&
- (dev->device == odev ||
- (dev->device->driver &&
- dev->device->driver->name &&
- ((strcmp(dev->device->driver->name,
- MLX5_PCI_DRIVER_NAME) == 0) ||
- (strcmp(dev->device->driver->name,
- MLX5_AUXILIARY_DRIVER_NAME) == 0)))))
+ (dev->device == odev || mlx5_dev_is_managed(dev->device)))
break;
port_id++;
}
--
2.43.0
next prev parent reply other threads:[~2026-10-26 16:29 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-26 16:26 [PATCH 00/13] net/mlx5: support nested E-Switch Dariusz Sosnowski
2026-10-26 16:26 ` [PATCH 01/13] common/mlx5: rework IB port number query Dariusz Sosnowski
2026-10-26 16:26 ` [PATCH 02/13] common/mlx5: allow ifindex query without cache Dariusz Sosnowski
2026-10-26 16:26 ` [PATCH 03/13] common/mlx5: separate netdev info from switch info Dariusz Sosnowski
2026-10-26 16:27 ` [PATCH 04/13] common/mlx5: query parent device over Netlink Dariusz Sosnowski
2026-10-26 16:27 ` [PATCH 05/13] common/mlx5: add check for auxiliary device Dariusz Sosnowski
2026-10-26 16:27 ` [PATCH 06/13] common/mlx5: gather associated devices Dariusz Sosnowski
2026-10-26 16:27 ` [PATCH 07/13] common/mlx5: always use EAL device for probing Dariusz Sosnowski
2026-10-26 16:27 ` [PATCH 08/13] common/mlx5: query devlink port for netdevs Dariusz Sosnowski
2026-10-26 16:27 ` [PATCH 09/13] common/mlx5: get devlink port by port index Dariusz Sosnowski
2026-10-26 16:27 ` Dariusz Sosnowski [this message]
2026-10-26 16:27 ` [PATCH 11/13] net/mlx5: add sibling device iteration macro Dariusz Sosnowski
2026-10-26 16:27 ` [PATCH 12/13] net/mlx5: allow associated devices Dariusz Sosnowski
2026-10-26 16:27 ` [PATCH 13/13] net/mlx5: allow multiport auxiliary device probe Dariusz Sosnowski
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