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Use the device unit number for naming the ifnet interface in mlx5en(4).

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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 <matt@mellanox.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
This commit is contained in:
hselasky 2018-03-08 15:43:41 +00:00
parent eb028439e6
commit df57808ec1
1 changed files with 1 additions and 2 deletions
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3
sys/dev/mlx5/mlx5_en/mlx5_en_main.c
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@ -3442,7 +3442,6 @@ mlx5e_setup_pauseframes(struct mlx5e_priv *priv)
static void * static void *
mlx5e_create_ifp(struct mlx5_core_dev *mdev) mlx5e_create_ifp(struct mlx5_core_dev *mdev)
{ {
static volatile int mlx5_en_unit;
struct ifnet *ifp; struct ifnet *ifp;
struct mlx5e_priv *priv; struct mlx5e_priv *priv;
u8 dev_addr[ETHER_ADDR_LEN] __aligned(4); u8 dev_addr[ETHER_ADDR_LEN] __aligned(4);
@ -3466,7 +3465,7 @@ mlx5e_create_ifp(struct mlx5_core_dev *mdev)
goto err_free_priv; goto err_free_priv;
} }
ifp->if_softc = 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_mtu = ETHERMTU;
ifp->if_init = mlx5e_open; ifp->if_init = mlx5e_open;
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;