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| author | hselasky <hselasky@FreeBSD.org> | 2015-12-14 09:57:42 +0000 |
|---|---|---|
| committer | hselasky <hselasky@FreeBSD.org> | 2015-12-14 09:57:42 +0000 |
| commit | 54fe0c692312cf906de660f9e15b41616eb47f9b (patch) | |
| tree | 2aaa50ce32800339094fa87b92b14db3dfa59201 /sys/dev | |
| parent | ca3916153a9afe4e3f92645ad5e30244ae24d8fc (diff) | |
| download | FreeBSD-src-54fe0c692312cf906de660f9e15b41616eb47f9b.zip FreeBSD-src-54fe0c692312cf906de660f9e15b41616eb47f9b.tar.gz | |
MFC r291931:
The firmware no longer supports setting a port MTU of zero bytes.
Set the port MTU and then query it and report if any problems instead.
Submitted by: Shahar Klein <shahark@mellanox.com>
Sponsored by: Mellanox Technologies
Differential Revision: https://reviews.freebsd.org/D4408
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/mlx5/mlx5_en/mlx5_en_main.c | 23 |
1 files changed, 3 insertions, 20 deletions
diff --git a/sys/dev/mlx5/mlx5_en/mlx5_en_main.c b/sys/dev/mlx5/mlx5_en/mlx5_en_main.c index a4a1ec7..4e92eb6 100644 --- a/sys/dev/mlx5/mlx5_en/mlx5_en_main.c +++ b/sys/dev/mlx5/mlx5_en/mlx5_en_main.c @@ -2005,32 +2005,15 @@ mlx5e_set_dev_port_mtu(struct ifnet *ifp, int sw_mtu) struct mlx5e_priv *priv = ifp->if_softc; struct mlx5_core_dev *mdev = priv->mdev; int hw_mtu; - int min_mtu; int err; - /* - * Trying to set MTU to zero, in order - * to find out the FW's minimal MTU - */ - err = mlx5_set_port_mtu(mdev, 0); - if (err) - return (err); - err = mlx5_query_port_oper_mtu(mdev, &min_mtu); + err = mlx5_set_port_mtu(mdev, MLX5E_SW2HW_MTU(sw_mtu)); if (err) { - if_printf(ifp, "Query port minimal MTU failed\n"); + if_printf(ifp, "%s: mlx5_set_port_mtu failed setting %d, err=%d\n", + __func__, sw_mtu, err); return (err); } - - if (sw_mtu < MLX5E_HW2SW_MTU(min_mtu)) { - ifp->if_mtu = sw_mtu; - return (0); - } - - err = mlx5_set_port_mtu(mdev, MLX5E_SW2HW_MTU(sw_mtu)); - if (err) - return (err); - err = mlx5_query_port_oper_mtu(mdev, &hw_mtu); if (!err) { ifp->if_mtu = MLX5E_HW2SW_MTU(hw_mtu); |
