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From: Jerin Jacob <jerinjacobk@gmail.com>
To: Naga Harish K S V <s.v.naga.harish.k@intel.com>
Cc: jerinj@marvell.com, erik.g.carrillo@intel.com,
	abhinandan.gujjar@intel.com, dev@dpdk.org,
	jay.jayatheerthan@intel.com
Subject: Re: [PATCH v2 1/3] eventdev/eth_rx: add params set/get APIs
Date: Tue, 24 Jan 2023 09:59:34 +0530	[thread overview]
Message-ID: <CALBAE1PS+oCGVUpgA5YsoZa69=b8vVdin3Oi0gnfk3R+8A5TAQ@mail.gmail.com> (raw)
In-Reply-To: <20230123180458.486189-1-s.v.naga.harish.k@intel.com>

On Mon, Jan 23, 2023 at 11:35 PM Naga Harish K S V
<s.v.naga.harish.k@intel.com> wrote:
>
> The adapter configuration parameters defined in the
> ``struct rte_event_eth_rx_adapter_runtime_params`` can be configured
> and retrieved using ``rte_event_eth_rx_adapter_runtime_params_set`` and
> ``rte_event_eth_tx_adapter_runtime_params_get`` respectively.
>
> Signed-off-by: Naga Harish K S V <s.v.naga.harish.k@intel.com>

> diff --git a/doc/guides/prog_guide/event_ethernet_rx_adapter.rst b/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
> index 461eca566f..2207d6ffc3 100644
> --- a/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
> +++ b/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
> @@ -185,6 +185,26 @@ flags for handling received packets, event queue identifier, scheduler type,
>  event priority, polling frequency of the receive queue and flow identifier
>  in struct ``rte_event_eth_rx_adapter_queue_conf``.
>
> +Set/Get adapter runtime configuration parameters
> +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> +
> +The runtime configuration parameters of adapter can be set/read using
> +``rte_event_eth_rx_adapter_runtime_params_set()`` and
> +``rte_event_eth_rx_adapter_runtime_params_get()`` respectively. The parameters that
> +can be set/read are defined in ``struct rte_event_eth_rx_adapter_runtime_params``.

Good.

> +
> +``rte_event_eth_rx_adapter_create()`` or
> +``rte_event_eth_rx_adapter_create_with_params()`` configures the adapter with
> +default value for maximum packets processed per request to 128.
> +``rte_event_eth_rx_adapter_runtime_params_set()`` function allows to reconfigure
> +maximum number of packets processed by adapter per service request. This is
> +alternative to configuring the maximum packets processed per request by adapter
> +by using ``rte_event_eth_rx_adapter_create_ext()`` with parameter
> +``rte_event_eth_rx_adapter_conf::max_nb_rx``.

This paragraph is not needed IMO. As it is specific to a driver, and
we can keep Doxygen comment only.


> +
> +``rte_event_eth_rx_adapter_runtime_parmas_get()`` function retrieves the configuration
> +parameters that are defined in ``struct rte_event_eth_rx_adapter_runtime_params``.

Good.

> +
>  Getting and resetting Adapter queue stats
>  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> diff --git a/lib/eventdev/rte_event_eth_rx_adapter.c b/lib/eventdev/rte_event_eth_rx_adapter.c
> index 34aa87379e..d8f3e750b7 100644
> --- a/lib/eventdev/rte_event_eth_rx_adapter.c
> +++ b/lib/eventdev/rte_event_eth_rx_adapter.c
> @@ -35,6 +35,8 @@
>  #define MAX_VECTOR_NS          1E9
>  #define MIN_VECTOR_NS          1E5
>
> +#define RXA_NB_RX_WORK_DEFAULT 128
> +
>  #define ETH_RX_ADAPTER_SERVICE_NAME_LEN        32
>  #define ETH_RX_ADAPTER_MEM_NAME_LEN    32
>
> @@ -1554,7 +1556,7 @@ rxa_default_conf_cb(uint8_t id, uint8_t dev_id,
>         }
>
>         conf->event_port_id = port_id;
> -       conf->max_nb_rx = 128;
> +       conf->max_nb_rx = RXA_NB_RX_WORK_DEFAULT;
>         if (started)
>                 ret = rte_event_dev_start(dev_id);
>         rx_adapter->default_cb_arg = 1;
> @@ -3436,6 +3438,90 @@ rte_event_eth_rx_adapter_instance_get(uint16_t eth_dev_id,
>         return -EINVAL;
>  }

> +
> +int
> +rte_event_eth_rx_adapter_runtime_params_set(uint8_t id,
> +               struct rte_event_eth_rx_adapter_runtime_params *params)
> +{
> +       struct event_eth_rx_adapter *rxa;
> +       int ret;
> +
> +       if (params == NULL)
> +               return -EINVAL;
> +
> +       if (rxa_memzone_lookup())
> +               return -ENOMEM;

Introduce an adapter callback and move SW adapter related logic under
callback handler.


> +
> +       rxa = rxa_id_to_adapter(id);
> +       if (rxa == NULL)
> +               return -EINVAL;
> +
> +       ret = rxa_caps_check(rxa);
> +       if (ret)
> +               return ret;
> +
> +       rte_spinlock_lock(&rxa->rx_lock);
> +       rxa->max_nb_rx = params->max_nb_rx;
> +       rte_spinlock_unlock(&rxa->rx_lock);
> +
> +       return 0;
> +}
> +
> +int
> +rte_event_eth_rx_adapter_runtime_params_get(uint8_t id,
> +               struct rte_event_eth_rx_adapter_runtime_params *params)
> +{
> +       struct event_eth_rx_adapter *rxa;
> +       int ret;
> +
> +       if (params == NULL)
> +               return -EINVAL;


Introduce an adapter callback and move SW adapter related logic under
callback handler.


> +
> +       if (rxa_memzone_lookup())
> +               return -ENOMEM;
 +
> +       rxa = rxa_id_to_adapter(id);
> +       if (rxa == NULL)
> +               return -EINVAL;
> +
> +       ret = rxa_caps_check(rxa);
> +       if (ret)
> +               return ret;
> +
> +       params->max_nb_rx = rxa->max_nb_rx;
> +
> +       return 0;
> +}
> +
> +/* RX-adapter telemetry callbacks */
>  #define RXA_ADD_DICT(stats, s) rte_tel_data_add_dict_u64(d, #s, stats.s)
>
>  static int
> diff --git a/lib/eventdev/rte_event_eth_rx_adapter.h b/lib/eventdev/rte_event_eth_rx_adapter.h
> index f4652f40e8..214ffd018c 100644
> --- a/lib/eventdev/rte_event_eth_rx_adapter.h
> +++ b/lib/eventdev/rte_event_eth_rx_adapter.h
> @@ -39,10 +39,21 @@
>   *  - rte_event_eth_rx_adapter_queue_stats_reset()
>   *  - rte_event_eth_rx_adapter_event_port_get()
>   *  - rte_event_eth_rx_adapter_instance_get()
> + *  - rte_event_eth_rx_adapter_runtime_params_get()
> + *  - rte_event_eth_rx_adapter_runtime_params_set()
>   *
>   * The application creates an ethernet to event adapter using
>   * rte_event_eth_rx_adapter_create_ext() or rte_event_eth_rx_adapter_create()
>   * or rte_event_eth_rx_adapter_create_with_params() functions.
> + *
> + * rte_event_eth_rx_adapter_create() or rte_event_eth_adapter_create_with_params()
> + * configures the adapter with default value of maximum packets processed per
> + * iteration to RXA_NB_RX_WORK_DEFAULT(128).
> + * rte_event_eth_rx_adapter_runtime_params_set() allows to re-configure maximum
> + * packets processed per iteration. This is alternative to using
> + * rte_event_eth_rx_adapter_create_ext() with parameter
> + * rte_event_eth_rx_adapter_conf::max_nb_rx

Move this to Doxygen comment against max_nb_rx

> + *
>   * The adapter needs to know which ethernet rx queues to poll for mbufs as well
>   * as event device parameters such as the event queue identifier, event
>   * priority and scheduling type that the adapter should use when constructing
> @@ -299,6 +310,19 @@ struct rte_event_eth_rx_adapter_params {
>         /**< flag to indicate that event buffer is separate for each queue */
>  };
>
> +/**
> + * Adapter configuration parameters
> + */
> +struct rte_event_eth_rx_adapter_runtime_params {
> +       uint32_t max_nb_rx;
> +       /**< The adapter can return early if it has processed at least
> +        * max_nb_rx mbufs. This isn't treated as a requirement; batching may
> +        * cause the adapter to process more than max_nb_rx mbufs.

Also tell it is valid only for INTERNAL PORT capablity is set.

> +        */
> +       uint32_t rsvd[15];
> +       /**< Reserved fields for future use */

Introduce rte_event_eth_rx_adapter_runtime_params_init() to make sure
rsvd is zero.

> +};
> +
>  /**
>   *
>   * Callback function invoked by the SW adapter before it continues
> @@ -377,7 +401,7 @@ int rte_event_eth_rx_adapter_create_ext(uint8_t id, uint8_t dev_id,
>   * Create a new ethernet Rx event adapter with the specified identifier.
>   * This function uses an internal configuration function that creates an event
>   * port. This default function reconfigures the event device with an
> - * additional event port and setups up the event port using the port_config
> + * additional event port and setup the event port using the port_config
>   * parameter passed into this function. In case the application needs more
>   * control in configuration of the service, it should use the
>   * rte_event_eth_rx_adapter_create_ext() version.
> @@ -743,6 +767,50 @@ rte_event_eth_rx_adapter_instance_get(uint16_t eth_dev_id,
>                                       uint16_t rx_queue_id,
>                                       uint8_t *rxa_inst_id);
>

  parent reply	other threads:[~2023-01-24  4:30 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-07 16:18 [PATCH " Naga Harish K S V
2023-01-07 16:18 ` [PATCH 2/3] eventdev/eth_tx: " Naga Harish K S V
2023-01-07 16:18 ` [PATCH 3/3] eventdev/crypto: " Naga Harish K S V
2023-01-18 10:22 ` [PATCH 1/3] eventdev/eth_rx: " Jerin Jacob
2023-01-20  8:58   ` Naga Harish K, S V
2023-01-20  9:32     ` Jerin Jacob
2023-01-20 10:33       ` Naga Harish K, S V
2023-01-23  9:31         ` Jerin Jacob
2023-01-23 18:07           ` Naga Harish K, S V
2023-01-23 18:04 ` [PATCH v2 " Naga Harish K S V
2023-01-23 18:04   ` [PATCH v2 2/3] eventdev/eth_tx: " Naga Harish K S V
2023-01-23 18:04   ` [PATCH v2 3/3] eventdev/crypto: " Naga Harish K S V
2023-01-24  4:29   ` Jerin Jacob [this message]
2023-01-24 13:07     ` [PATCH v2 1/3] eventdev/eth_rx: " Naga Harish K, S V
2023-01-25  4:12       ` Jerin Jacob
2023-01-25  9:52         ` Naga Harish K, S V
2023-01-25 10:38           ` Jerin Jacob
2023-01-25 16:32             ` Naga Harish K, S V
2023-01-28 10:53               ` Jerin Jacob
2023-01-28 17:21                 ` Stephen Hemminger
2023-01-30  9:56                 ` Naga Harish K, S V
2023-01-30 14:43                   ` Jerin Jacob
2023-02-02 16:12                     ` Naga Harish K, S V
2023-02-03  9:44                       ` Jerin Jacob
2023-02-06  6:21                         ` Naga Harish K, S V
2023-02-06 16:38                           ` Jerin Jacob
2023-02-09 17:00                             ` Naga Harish K, S V
2023-02-09 16:57   ` [PATCH v3 " Naga Harish K S V
2023-02-09 16:57     ` [PATCH v3 2/3] eventdev/eth_tx: " Naga Harish K S V
2023-02-09 16:57     ` [PATCH v3 3/3] eventdev/crypto: " Naga Harish K S V
2023-02-10  1:55   ` [PATCH v3 1/3] eventdev/eth_rx: " Naga Harish K S V
2023-02-10  1:55     ` [PATCH v3 2/3] eventdev/eth_tx: " Naga Harish K S V
2023-02-10  1:55     ` [PATCH v3 3/3] eventdev/crypto: " Naga Harish K S V
2023-02-10  4:58   ` [PATCH v4 1/3] eventdev/eth_rx: " Naga Harish K S V
2023-02-10  4:58     ` [PATCH v4 2/3] eventdev/eth_tx: " Naga Harish K S V
2023-02-10  4:58     ` [PATCH v4 3/3] eventdev/crypto: " Naga Harish K S V
2023-02-10  6:30     ` [PATCH v4 1/3] eventdev/eth_rx: " Jerin Jacob
2023-02-10 13:33     ` [PATCH v5 " Naga Harish K S V
2023-02-10 13:33       ` [PATCH v5 2/3] eventdev/eth_tx: " Naga Harish K S V
2023-02-10 13:33       ` [PATCH v5 3/3] eventdev/crypto: " Naga Harish K S V
2023-02-10 13:58       ` [PATCH v5 1/3] eventdev/eth_rx: " Jerin Jacob
2023-02-10 17:42         ` Naga Harish K, S V
2023-02-10 13:46     ` Naga Harish K S V
2023-02-10 13:46       ` [PATCH v5 2/3] eventdev/eth_tx: " Naga Harish K S V
2023-02-10 14:05         ` Jerin Jacob
2023-02-10 15:01           ` Naga Harish K, S V
2023-02-10 15:24             ` Jerin Jacob
2023-02-10 17:41               ` Naga Harish K, S V
2023-02-10 13:46       ` [PATCH v5 3/3] eventdev/crypto: " Naga Harish K S V
2023-02-10 17:37       ` [PATCH v6 1/3] eventdev/eth_rx: " Naga Harish K S V
2023-02-10 17:37         ` [PATCH v6 2/3] eventdev/eth_tx: " Naga Harish K S V
2023-02-10 17:37         ` [PATCH v6 3/3] eventdev/crypto: " Naga Harish K S V
2023-02-13  5:08           ` Jerin Jacob

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