Author: hselasky
Date: Thu Mar 8 15:43:41 2018
New Revision: 330656
URL: https://svnweb.freebsd.org/changeset/base/330656
Log:
Use the device unit number for naming the ifnet interface in mlx5en(4).
Currently the ifnet interface is named mceX, where X is a monotonically
incremented value. If the device is reset due to a fatal error, then the
interface name will change. Using the device unit number will keep the
naming consistent across the reset logic.
Submitted by: Matthew Finlay <m...@mellanox.com>
MFC after: 1 week
Sponsored by: Mellanox Technologies
Modified:
head/sys/dev/mlx5/mlx5_en/mlx5_en_main.c
Modified: head/sys/dev/mlx5/mlx5_en/mlx5_en_main.c
==============================================================================
--- head/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Thu Mar 8 15:37:09 2018
(r330655)
+++ head/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Thu Mar 8 15:43:41 2018
(r330656)
@@ -3442,7 +3442,6 @@ mlx5e_setup_pauseframes(struct mlx5e_priv *priv)
static void *
mlx5e_create_ifp(struct mlx5_core_dev *mdev)
{
- static volatile int mlx5_en_unit;
struct ifnet *ifp;
struct mlx5e_priv *priv;
u8 dev_addr[ETHER_ADDR_LEN] __aligned(4);
@@ -3466,7 +3465,7 @@ mlx5e_create_ifp(struct mlx5_core_dev *mdev)
goto err_free_priv;
}
ifp->if_softc = priv;
- if_initname(ifp, "mce", atomic_fetchadd_int(&mlx5_en_unit, 1));
+ if_initname(ifp, "mce", device_get_unit(mdev->pdev->dev.bsddev));
ifp->if_mtu = ETHERMTU;
ifp->if_init = mlx5e_open;
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
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