mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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0f45e69d62
This series comes to allow user space applications to monitor real time traffic activity and events of the verbs objects it manages, e.g.: ibv_qp, ibv_wq, ibv_flow. This API enables generic counters creation and define mapping to association with a verbs object, current mlx5 driver using this API for flow counters. With this API, an application can monitor the entire life cycle of object activity, defined here as a static counters attachment. This API also allows dynamic counters monitoring of measurement points for a partial period in the verbs object life cycle. In addition it presents the implementation of the generic counters interface. This will be achieved by extending flow creation by adding a new flow count specification type which allows the user to associate a previously created flow counters using the generic verbs counters interface to the created flow, once associated the user could read statistics by using the read function of the generic counters interface. The API includes: 1. create and destroyed API of a new counters objects 2. read the counters values from HW Note: Attaching API to allow application to define the measurement points per objects is a user space only API and this data is passed to kernel when the counted object (e.g. flow) is created with the counters object. -----BEGIN PGP SIGNATURE----- iHQEABYIAB0WIQT1m3YD37UfMCUQBNwp8NhrnBAZsQUCWxIiqQAKCRAp8NhrnBAZ sWJRAPYl06nEfQjRlW//ZE/pO2oKXbfEevg7nnbpe80ERlxLAQDA2LHAcU7ma/NC hS5yxIq1gLSA27N+5qAoFVK8vJ5ZCg== =EiAV -----END PGP SIGNATURE----- Merge tag 'verbs_flow_counters' of git://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git into for-next Pull verbs counters series from Leon Romanovsky: ==================== Verbs flow counters support This series comes to allow user space applications to monitor real time traffic activity and events of the verbs objects it manages, e.g.: ibv_qp, ibv_wq, ibv_flow. The API enables generic counters creation and define mapping to association with a verbs object, the current mlx5 driver is using this API for flow counters. With this API, an application can monitor the entire life cycle of object activity, defined here as a static counters attachment. This API also allows dynamic counters monitoring of measurement points for a partial period in the verbs object life cycle. In addition it presents the implementation of the generic counters interface. This will be achieved by extending flow creation by adding a new flow count specification type which allows the user to associate a previously created flow counters using the generic verbs counters interface to the created flow, once associated the user could read statistics by using the read function of the generic counters interface. The API includes: 1. create and destroyed API of a new counters objects 2. read the counters values from HW Note: Attaching API to allow application to define the measurement points per objects is a user space only API and this data is passed to kernel when the counted object (e.g. flow) is created with the counters object. =================== * tag 'verbs_flow_counters': IB/mlx5: Add counters read support IB/mlx5: Add flow counters read support IB/mlx5: Add flow counters binding support IB/mlx5: Add counters create and destroy support IB/uverbs: Add support for flow counters IB/core: Add support for flow counters IB/core: Support passing uhw for create_flow IB/uverbs: Add read counters support IB/core: Introduce counters read verb IB/uverbs: Add create/destroy counters support IB/core: Introduce counters object and its create/destroy IB/uverbs: Add an ib_uobject getter to ioctl() infrastructure net/mlx5: Export flow counter related API net/mlx5: Use flow counter pointer as input to the query function |
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