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IB/mlx5: Introduce driver create and destroy flow methods

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Introduce driver create and destroy flow methods on the uverbs flow
object.

This allows the driver to get its specific device attributes to match the
underlay specification while still using the generic ib_flow object for
cleanup and code sharing.

The IB object's attributes are set via the ib_set_flow() helper function.

The specific implementation for the given specification is added in
downstream patches.

Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Yishai Hadas
2018-07-23 15:25:09 +03:00
committed by Jason Gunthorpe
parent 6cd080a674
commit 3226944124
7 changed files with 206 additions and 14 deletions
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22
drivers/infiniband/hw/mlx5/devx.c
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@@ -87,6 +87,28 @@ void mlx5_ib_devx_destroy(struct mlx5_ib_dev *dev,
mlx5_cmd_exec(dev->mdev, in, sizeof(in), out, sizeof(out));
}
bool mlx5_ib_devx_is_flow_dest(void *obj, int *dest_id, int *dest_type)
{
struct devx_obj *devx_obj = obj;
u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, devx_obj->dinbox, opcode);
switch (opcode) {
case MLX5_CMD_OP_DESTROY_TIR:
*dest_type = MLX5_FLOW_DESTINATION_TYPE_TIR;
*dest_id = MLX5_GET(general_obj_in_cmd_hdr, devx_obj->dinbox,
obj_id);
return true;
case MLX5_CMD_OP_DESTROY_FLOW_TABLE:
*dest_type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
*dest_id = MLX5_GET(destroy_flow_table_in, devx_obj->dinbox,
table_id);
return true;
default:
return false;
}
}
static int devx_is_valid_obj_id(struct devx_obj *obj, const void *in)
{
u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, in, opcode);