From: Gregory Etelson <getelson@nvidia.com>
To: <dev@dpdk.org>
Cc: getelson@nvidia.com, <mkashani@nvidia.com>,
rasland@nvidia.com, "Dariusz Sosnowski" <dsosnowski@nvidia.com>,
"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>,
"Ophir Munk" <ophirmu@nvidia.com>
Subject: [PATCH] net/mlx5: fix interface name parameter definition
Date: Sun, 10 Aug 2025 16:22:59 +0300 [thread overview]
Message-ID: <20250810132300.124429-1-getelson@nvidia.com> (raw)
The patch fixes `ifname` parameter as a character buffer.
Fixes: 1256805dd54d ("net/mlx5: move Linux-specific functions")
Signed-off-by: Gregory Etelson <getelson@nvidia.com>
Acked-by: Dariusz Sosnowski <dsosnowski@nvidia.com>
---
drivers/net/mlx5/linux/mlx5_ethdev_os.c | 11 +++++------
drivers/net/mlx5/linux/mlx5_os.c | 2 +-
drivers/net/mlx5/mlx5.h | 3 +--
drivers/net/mlx5/windows/mlx5_ethdev_os.c | 4 ++--
4 files changed, 9 insertions(+), 11 deletions(-)
diff --git a/drivers/net/mlx5/linux/mlx5_ethdev_os.c b/drivers/net/mlx5/linux/mlx5_ethdev_os.c
index 9daeda5435..eeb95bead0 100644
--- a/drivers/net/mlx5/linux/mlx5_ethdev_os.c
+++ b/drivers/net/mlx5/linux/mlx5_ethdev_os.c
@@ -73,7 +73,7 @@ mlx5_auxiliary_get_ifindex(const char *sf_name)
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
int
-mlx5_get_ifname(const struct rte_eth_dev *dev, char (*ifname)[MLX5_NAMESIZE])
+mlx5_get_ifname(const struct rte_eth_dev *dev, char ifname[MLX5_NAMESIZE])
{
struct mlx5_priv *priv = dev->data->dev_private;
unsigned int ifindex;
@@ -87,12 +87,11 @@ mlx5_get_ifname(const struct rte_eth_dev *dev, char (*ifname)[MLX5_NAMESIZE])
ifindex = mlx5_ifindex(dev);
if (!ifindex) {
if (!priv->representor)
- return mlx5_get_ifname_sysfs(priv->sh->ibdev_path,
- *ifname);
+ return mlx5_get_ifname_sysfs(priv->sh->ibdev_path, ifname);
rte_errno = ENXIO;
return -rte_errno;
}
- if (if_indextoname(ifindex, &(*ifname)[0]))
+ if (if_indextoname(ifindex, ifname))
return 0;
rte_errno = errno;
return -rte_errno;
@@ -150,10 +149,10 @@ mlx5_ifreq_by_ifname(const char *ifname, int req, struct ifreq *ifr)
static int
mlx5_ifreq(const struct rte_eth_dev *dev, int req, struct ifreq *ifr)
{
- char ifname[sizeof(ifr->ifr_name)];
+ char ifname[MLX5_NAMESIZE];
int ret;
- ret = mlx5_get_ifname(dev, &ifname);
+ ret = mlx5_get_ifname(dev, ifname);
if (ret)
return -rte_errno;
return mlx5_ifreq_by_ifname(ifname, req, ifr);
diff --git a/drivers/net/mlx5/linux/mlx5_os.c b/drivers/net/mlx5/linux/mlx5_os.c
index 696a3e12c7..03c5191095 100644
--- a/drivers/net/mlx5/linux/mlx5_os.c
+++ b/drivers/net/mlx5/linux/mlx5_os.c
@@ -1578,7 +1578,7 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
{
char ifname[MLX5_NAMESIZE];
- if (mlx5_get_ifname(eth_dev, &ifname) == 0)
+ if (mlx5_get_ifname(eth_dev, ifname) == 0)
DRV_LOG(DEBUG, "port %u ifname is \"%s\"",
eth_dev->data->port_id, ifname);
else
diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
index c08894cd03..3e293216bb 100644
--- a/drivers/net/mlx5/mlx5.h
+++ b/drivers/net/mlx5/mlx5.h
@@ -2336,8 +2336,7 @@ uint64_t mlx5_get_restore_flags(struct rte_eth_dev *dev,
/* mlx5_ethdev_os.c */
-int mlx5_get_ifname(const struct rte_eth_dev *dev,
- char (*ifname)[MLX5_NAMESIZE]);
+int mlx5_get_ifname(const struct rte_eth_dev *dev, char ifname[MLX5_NAMESIZE]);
unsigned int mlx5_ifindex(const struct rte_eth_dev *dev);
int mlx5_get_mac(struct rte_eth_dev *dev, uint8_t (*mac)[RTE_ETHER_ADDR_LEN]);
int mlx5_get_mtu(struct rte_eth_dev *dev, uint16_t *mtu);
diff --git a/drivers/net/mlx5/windows/mlx5_ethdev_os.c b/drivers/net/mlx5/windows/mlx5_ethdev_os.c
index 49f750be68..2e9c9d5b3f 100644
--- a/drivers/net/mlx5/windows/mlx5_ethdev_os.c
+++ b/drivers/net/mlx5/windows/mlx5_ethdev_os.c
@@ -56,7 +56,7 @@ mlx5_get_mac(struct rte_eth_dev *dev, uint8_t (*mac)[RTE_ETHER_ADDR_LEN])
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
int
-mlx5_get_ifname(const struct rte_eth_dev *dev, char (*ifname)[MLX5_NAMESIZE])
+mlx5_get_ifname(const struct rte_eth_dev *dev, char ifname[MLX5_NAMESIZE])
{
struct mlx5_priv *priv;
mlx5_context_st *context_obj;
@@ -67,7 +67,7 @@ mlx5_get_ifname(const struct rte_eth_dev *dev, char (*ifname)[MLX5_NAMESIZE])
}
priv = dev->data->dev_private;
context_obj = (mlx5_context_st *)priv->sh->cdev->ctx;
- strncpy(*ifname, context_obj->mlx5_dev.name, MLX5_NAMESIZE);
+ strncpy(ifname, context_obj->mlx5_dev.name, MLX5_NAMESIZE);
return 0;
}
--
2.48.1
next reply other threads:[~2025-08-10 13:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-10 13:22 Gregory Etelson [this message]
2025-08-11 4:44 ` Stephen Hemminger
2025-08-11 10:13 ` Etelson, Gregory
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