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authorYishai Hadas <yishaih@mellanox.com>2018-07-23 15:25:12 +0300
committerJason Gunthorpe <jgg@mellanox.com>2018-07-24 14:33:52 -0600
commitcb80fb189270e7b2c32fa470d40e951852614eb2 (patch)
tree0a538622315d2a159938a85d4632dc84946bc97e
parent6346f0bfa07b3a4ed55b8630cf20b6f43d277b51 (diff)
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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>
-rw-r--r--drivers/infiniband/hw/mlx5/flow.c10
-rw-r--r--drivers/infiniband/hw/mlx5/main.c4
-rw-r--r--drivers/infiniband/hw/mlx5/mlx5_ib.h12
3 files changed, 19 insertions, 7 deletions
diff --git a/drivers/infiniband/hw/mlx5/flow.c b/drivers/infiniband/hw/mlx5/flow.c
index b4422e4def17..ee398a9b5f26 100644
--- a/drivers/infiniband/hw/mlx5/flow.c
+++ b/drivers/infiniband/hw/mlx5/flow.c
@@ -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;
+}
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 11ed9416db48..a26ab69f3741 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -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);
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index 33948b547894..462505c8fa25 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -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)
{