diff options
| author | Rana Shahout <ranas@mellanox.com> | 2016-06-21 12:43:59 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-06-23 22:18:50 +0300 |
| commit | af7d5185263133f859dd4f35d45594deef9db854 (patch) | |
| tree | 4edcdca6cdf632e01097d13e72646b116ee375b9 /drivers/net/ethernet/mellanox/mlx4/port.c | |
| parent | 51dca8a1cfd917e1b53b118ddd3fbe5eb1b6a9a8 (diff) | |
| download | linux-af7d5185263133f859dd4f35d45594deef9db854.tar.xz | |
net/mlx4_en: Add DCB PFC support through CEE netlink commands
This patch adds support for reading and updating priority flow
control (PFC) attributes in the driver via netlink.
Signed-off-by: Rana Shahout <ranas@mellanox.com>
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/port.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/port.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c index 087b23b320cb..3d2095e5c61c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/port.c +++ b/drivers/net/ethernet/mellanox/mlx4/port.c @@ -52,6 +52,7 @@ #define MLX4_FLAG_V_IGNORE_FCS_MASK 0x2 #define MLX4_IGNORE_FCS_MASK 0x1 +#define MLNX4_TX_MAX_NUMBER 8 void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table) { @@ -2015,3 +2016,14 @@ out: return ret; } EXPORT_SYMBOL(mlx4_get_module_info); + +int mlx4_max_tc(struct mlx4_dev *dev) +{ + u8 num_tc = dev->caps.max_tc_eth; + + if (!num_tc) + num_tc = MLNX4_TX_MAX_NUMBER; + + return num_tc; +} +EXPORT_SYMBOL(mlx4_max_tc); |