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IB/mlx5: Enable driver uapi commands for flow steering 

Expose the mlx5 flow steering parsing trees, exposing the functionality to
user space.

Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
hifive-unleashed-5.1
Yishai Hadas 2018-07-23 15:25:12 +03:00 committed by Jason Gunthorpe
parent 6346f0bfa0
commit cb80fb1892
3 changed files with 19 additions and 7 deletions
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10
drivers/infiniband/hw/mlx5/flow.c
View File

@ -242,3 +242,13 @@ DECLARE_UVERBS_NAMED_OBJECT(MLX5_IB_OBJECT_FLOW_MATCHER,
DECLARE_UVERBS_OBJECT_TREE(flow_objects,
&UVERBS_OBJECT(MLX5_IB_OBJECT_FLOW_MATCHER));
int mlx5_ib_get_flow_trees(const struct uverbs_object_tree_def **root)
{
int i = 0;
root[i++] = &flow_objects;
root[i++] = &mlx5_ib_fs;
return i;
}

4
drivers/infiniband/hw/mlx5/main.c
View File

@ -5535,7 +5535,7 @@ ADD_UVERBS_ATTRIBUTES_SIMPLE(
UVERBS_ATTR_TYPE(u64),
UA_MANDATORY));
#define NUM_TREES 3
#define NUM_TREES 5
static int populate_specs_root(struct mlx5_ib_dev *dev)
{
const struct uverbs_object_tree_def *default_root[NUM_TREES + 1] = {
@ -5555,6 +5555,8 @@ static int populate_specs_root(struct mlx5_ib_dev *dev)
!WARN_ON(num_trees >= ARRAY_SIZE(default_root)))
default_root[num_trees++] = mlx5_ib_get_devx_tree();
num_trees += mlx5_ib_get_flow_trees(default_root + num_trees);
dev->ib_dev.driver_specs_root =
uverbs_alloc_spec_tree(num_trees, default_root);

12
drivers/infiniband/hw/mlx5/mlx5_ib.h
View File

@ -1236,6 +1236,7 @@ struct mlx5_ib_flow_handler *mlx5_ib_raw_fs_rule_add(
struct mlx5_ib_dev *dev, struct mlx5_ib_flow_matcher *fs_matcher,
void *cmd_in, int inlen, int dest_id, int dest_type);
bool mlx5_ib_devx_is_flow_dest(void *obj, int *dest_id, int *dest_type);
int mlx5_ib_get_flow_trees(const struct uverbs_object_tree_def **root);
#else
static inline int
mlx5_ib_devx_create(struct mlx5_ib_dev *dev,
@ -1244,17 +1245,16 @@ static inline void mlx5_ib_devx_destroy(struct mlx5_ib_dev *dev,
struct mlx5_ib_ucontext *context) {}
static inline const struct uverbs_object_tree_def *
mlx5_ib_get_devx_tree(void) { return NULL; }
static inline struct mlx5_ib_flow_handler *mlx5_ib_raw_fs_rule_add(
struct mlx5_ib_dev *dev, struct mlx5_ib_flow_matcher *fs_matcher,
void *cmd_in, int inlen, int dest_id, int dest_type)
{
return ERR_PTR(-EOPNOTSUPP);
}
static inline bool mlx5_ib_devx_is_flow_dest(void *obj, int *dest_id,
int *dest_type)
{
return false;
}
static inline int
mlx5_ib_get_flow_trees(const struct uverbs_object_tree_def **root)
{
return 0;
}
#endif
static inline void init_query_mad(struct ib_smp *mad)
{