diff options
| author | Maor Gottlieb <maorg@mellanox.com> | 2017-05-30 10:29:11 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-07-24 17:34:28 +0300 |
| commit | c1e0bfc1312d0e06bdb24e6e4e7e10b0b4313ec6 (patch) | |
| tree | 3bb0dbd385118bcc6cb1ef4157fc0f29e57cf9d3 /drivers | |
| parent | 7d9336d80b0b35d3537d37ff35e08dcb425073ed (diff) | |
| download | linux-c1e0bfc1312d0e06bdb24e6e4e7e10b0b4313ec6.tar.xz | |
net/mlx5: Introduce set delay drop command
Add support to SET_DELAY_DROP command.
This command will be used in downstream patches for delay packet drop.
The timeout value should be indicated by delay_drop_timeout field.
Packet processing will be delayed till timeout value passed or until
more WQEs are posted.
Setting this value to 0 disables the feature.
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/qp.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/qp.c b/drivers/net/ethernet/mellanox/mlx5/core/qp.c index 340f281c9801..db9e665ab104 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/qp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/qp.c @@ -242,6 +242,20 @@ int mlx5_core_destroy_qp(struct mlx5_core_dev *dev, } EXPORT_SYMBOL_GPL(mlx5_core_destroy_qp); +int mlx5_core_set_delay_drop(struct mlx5_core_dev *dev, + u32 timeout_usec) +{ + u32 out[MLX5_ST_SZ_DW(set_delay_drop_params_out)] = {0}; + u32 in[MLX5_ST_SZ_DW(set_delay_drop_params_in)] = {0}; + + MLX5_SET(set_delay_drop_params_in, in, opcode, + MLX5_CMD_OP_SET_DELAY_DROP_PARAMS); + MLX5_SET(set_delay_drop_params_in, in, delay_drop_timeout, + timeout_usec / 100); + return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); +} +EXPORT_SYMBOL_GPL(mlx5_core_set_delay_drop); + struct mbox_info { u32 *in; u32 *out; |