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IB/mlx5: Add flow counters binding support

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Associates a counters with a flow when IB_FLOW_SPEC_ACTION_COUNT is part
of the flow specifications.

The counters user space placements of location and description (index,
description) pairs are passed as private data of the counters flow
specification.

Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Raed Salem <raeds@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Raed Salem
2018-05-31 16:43:39 +03:00
committed by Leon Romanovsky
parent b29e2a1309
commit 3b3233fbf0
4 changed files with 249 additions and 13 deletions
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24
include/uapi/rdma/mlx5-abi.h
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@@ -36,6 +36,7 @@
#include <linux/types.h>
#include <linux/if_ether.h> /* For ETH_ALEN. */
#include <rdma/ib_user_ioctl_verbs.h>
enum {
MLX5_QP_FLAG_SIGNATURE = 1 << 0,
@@ -441,4 +442,27 @@ enum {
enum {
MLX5_IB_CLOCK_INFO_V1 = 0,
};
struct mlx5_ib_flow_counters_desc {
__u32 description;
__u32 index;
};
struct mlx5_ib_flow_counters_data {
RDMA_UAPI_PTR(struct mlx5_ib_flow_counters_desc *, counters_data);
__u32 ncounters;
__u32 reserved;
};
struct mlx5_ib_create_flow {
__u32 ncounters_data;
__u32 reserved;
/*
* Following are counters data based on ncounters_data, each
* entry in the data[] should match a corresponding counter object
* that was pointed by a counters spec upon the flow creation
*/
struct mlx5_ib_flow_counters_data data[];
};
#endif /* MLX5_ABI_USER_H */