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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 v5 2/3] eventdev/eth_tx: add params set/get APIs
Date: Fri, 10 Feb 2023 19:35:32 +0530	[thread overview]
Message-ID: <CALBAE1NK=yRC8eUvC_dWSt50avkVi4jWNZ0nxpbygaOXYB6UeQ@mail.gmail.com> (raw)
In-Reply-To: <20230210134646.3407253-2-s.v.naga.harish.k@intel.com>

On Fri, Feb 10, 2023 at 7:17 PM Naga Harish K S V
<s.v.naga.harish.k@intel.com> wrote:
>
> The adapter runtime configuration parameters defined in the
> struct rte_event_eth_tx_adapter_runtime_params can be
> configured and retrieved using
> rte_event_eth_tx_adapter_runtime_params_set and
rte_event_eth_tx_adapter_runtime_params_set()

> rte_event_eth_tx_adapter_runtime_params_get respectively.

rte_event_eth_tx_adapter_runtime_params_get()

>
> Signed-off-by: Naga Harish K S V <s.v.naga.harish.k@intel.com>

> --- a/doc/guides/prog_guide/event_ethernet_tx_adapter.rst
> +++ b/doc/guides/prog_guide/event_ethernet_tx_adapter.rst
> @@ -225,3 +225,12 @@ Stop function stops the adapter runtime function from enqueueing any
>  packets to the associated Tx queue. This API also frees any packets that
>  may have been buffered for this queue. All inflight packets destined to the
>  queue are freed by the adapter runtime until the queue is started again.
> +
> +Set/Get adapter runtime configuration parameters
> +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> +
> +The runtime configuration parameters of adapter can be set/get using
> +``rte_event_eth_tx_adapter_runtime_params_set()`` and
> +``rte_event_eth_tx_adapter_runtime_params_get()`` respectively. The parameters
> +that can be set/get are defined in
> +``struct rte_event_eth_tx_adapter_runtime_params``.
> diff --git a/lib/eventdev/rte_event_eth_tx_adapter.c b/lib/eventdev/rte_event_eth_tx_adapter.c
> index cce50c3c18..131e11e01d 100644
> --- a/lib/eventdev/rte_event_eth_tx_adapter.c
> +++ b/lib/eventdev/rte_event_eth_tx_adapter.c
> @@ -124,6 +124,8 @@ struct txa_service_data {
>         uint16_t dev_count;
>         /* Loop count to flush Tx buffers */
>         int loop_cnt;
> +       /* Loop count threshold to flush Tx buffers */
> +       uint16_t flush_threshold;
>         /* Per ethernet device structure */
>         struct txa_service_ethdev *txa_ethdev;
>         /* Statistics */
> @@ -665,13 +667,14 @@ txa_service_func(void *args)
>                 ret = 0;
>         }
>
> -       if ((txa->loop_cnt++ & (TXA_FLUSH_THRESHOLD - 1)) == 0) {
> +       if (txa->loop_cnt++ == txa->flush_threshold) {
>
>                 struct txa_service_ethdev *tdi;
>                 struct txa_service_queue_info *tqi;
>                 struct rte_eth_dev *dev;
>                 uint16_t i;
>
> +               txa->loop_cnt = 0;
>                 tdi = txa->txa_ethdev;
>                 nb_tx = 0;
>
> @@ -769,6 +772,7 @@ txa_service_adapter_create_ext(uint8_t id, struct rte_eventdev *dev,
>         txa->service_id = TXA_INVALID_SERVICE_ID;
>         rte_spinlock_init(&txa->tx_lock);
>         txa_service_data_array[id] = txa;
> +       txa->flush_threshold = TXA_FLUSH_THRESHOLD;
>
>         return 0;
>  }
> @@ -1291,6 +1295,115 @@ rte_event_eth_tx_adapter_stats_reset(uint8_t id)
>         return ret;
>  }
>
> +int
> +rte_event_eth_tx_adapter_runtime_params_init(
> +               struct rte_event_eth_tx_adapter_runtime_params *txa_params)
> +{
> +       if (txa_params == NULL)
> +               return -EINVAL;
> +
> +       memset(txa_params, 0, sizeof(*txa_params));
> +       txa_params->max_nb_tx = TXA_MAX_NB_TX;
> +       txa_params->flush_threshold = TXA_FLUSH_THRESHOLD;
> +
> +       return 0;
> +}
> +
> +static int
> +txa_caps_check(uint8_t id, struct txa_service_data *txa)
> +{
> +       uint32_t caps = 0;
> +       struct rte_eth_dev *eth_dev = NULL;
> +       struct txa_service_ethdev *tdi;
> +       int i;
> +
> +       if (!txa->dev_count)
> +               return -EINVAL;
> +
> +       /* The eth_dev used is always the same type.
> +        * Hence first valid eth_dev is taken.
> +        */
> +       for (i = 0; i < txa->dev_count; i++) {
> +               tdi = &txa->txa_ethdev[i];
> +               if (tdi->nb_queues) {
> +                       eth_dev = tdi->dev;
> +                       break;
> +               }
> +       }
> +       if (eth_dev == NULL)
> +               return -EINVAL;
> +
> +       if (txa_dev_caps_get(id))
> +               txa_dev_caps_get(id)(txa_evdev(id), eth_dev, &caps);
> +
> +       if (caps & RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT)
> +               return -ENOTSUP;
> +
> +       return 0;
> +}
> +
> +int
> +rte_event_eth_tx_adapter_runtime_params_set(uint8_t id,
> +               struct rte_event_eth_tx_adapter_runtime_params *txa_params)
> +{
> +       struct txa_service_data *txa;
> +       int ret;
> +
> +       if (txa_lookup())
> +               return -ENOMEM;
> +
> +       TXA_CHECK_OR_ERR_RET(id);
> +
> +       if (txa_params == NULL)
> +               return -EINVAL;
> +
> +       txa = txa_service_id_to_data(id);
> +       if (txa == NULL)
> +               return -EINVAL;
> +
> +       ret = txa_caps_check(id, txa);
> +       if (ret)
> +               return ret;
> +
> +       rte_spinlock_lock(&txa->tx_lock);
> +       txa->flush_threshold = txa_params->flush_threshold;
> +       txa->max_nb_tx = txa_params->max_nb_tx;
> +       rte_spinlock_unlock(&txa->tx_lock);
> +
> +       return 0;
> +}
> +
> +int
> +rte_event_eth_tx_adapter_runtime_params_get(uint8_t id,
> +               struct rte_event_eth_tx_adapter_runtime_params *txa_params)
> +{
> +       struct txa_service_data *txa;
> +       int ret;
> +
> +       if (txa_lookup())
> +               return -ENOMEM;
> +
> +       TXA_CHECK_OR_ERR_RET(id);
> +
> +       if (txa_params == NULL)
> +               return -EINVAL;
> +
> +       txa = txa_service_id_to_data(id);
> +       if (txa == NULL)
> +               return -EINVAL;
> +
> +       ret = txa_caps_check(id, txa);
> +       if (ret)
> +               return ret;
> +
> +       rte_spinlock_lock(&txa->tx_lock);
> +       txa_params->flush_threshold = txa->flush_threshold;
> +       txa_params->max_nb_tx = txa->max_nb_tx;
> +       rte_spinlock_unlock(&txa->tx_lock);
> +
> +       return 0;
> +}
> +
>  int
>  rte_event_eth_tx_adapter_stop(uint8_t id)
>  {
> diff --git a/lib/eventdev/rte_event_eth_tx_adapter.h b/lib/eventdev/rte_event_eth_tx_adapter.h
> index cd539af7ef..9b1ac2055e 100644
> --- a/lib/eventdev/rte_event_eth_tx_adapter.h
> +++ b/lib/eventdev/rte_event_eth_tx_adapter.h
> @@ -37,6 +37,9 @@
>   *  - rte_event_eth_tx_adapter_instance_get()
>   *  - rte_event_eth_tx_adapter_queue_start()
>   *  - rte_event_eth_tx_adapter_queue_stop()
> + *  - rte_event_eth_tx_adapter_runtime_params_get()
> + *  - rte_event_eth_tx_adapter_runtime_params_init()
> + *  - rte_event_eth_tx_adapter_runtime_params_set()
>   *
>   * The application creates the adapter using
>   * rte_event_eth_tx_adapter_create() or rte_event_eth_tx_adapter_create_ext().
> @@ -103,6 +106,25 @@ struct rte_event_eth_tx_adapter_conf {
>          */
>  };
>
> +/**
> + * Adapter runtime configuration parameters
> + */
> +struct rte_event_eth_tx_adapter_runtime_params {
> +       uint32_t max_nb_tx;
> +       /**< The adapter can return early if it has processed at least
> +        * max_nb_tx mbufs. This isn't treated as a requirement; batching may
> +        * cause the adapter to process more than max_nb_tx mbufs.
> +        * This is valid for service based SW adapter only.

express with RTE_EVENT_*CAP_INTERNAL_PORT

> +        */
> +       uint16_t flush_threshold;
> +       /**< the number of service function iteration count to
> +        * flush buffered packets.
> +        * This is valid for service based SW adapter only.

express with RTE_EVENT_*CAP_INTERNAL_PORT


> +        */
> +       uint16_t rsvd[29];
> +       /**< Reserved fields for future expansion */
> +};
> +
>  /**
>   * Function type used for adapter configuration callback. The callback is
>   * used to fill in members of the struct rte_event_eth_tx_adapter_conf, this
> @@ -516,6 +538,72 @@ __rte_experimental
>  int
>  rte_event_eth_tx_adapter_queue_stop(uint16_t eth_dev_id, uint16_t tx_queue_id);
>
> +/**
> + * Initialize the adapter runtime configuration parameters with default values
> + *
> + * @param txa_params
> + *  A pointer to structure of type struct rte_event_eth_tx_adapter_runtime_params
> + *
> + * @return
> + *  -  0: Success
> + *  - <0: Error code on failure
> + */
> +__rte_experimental
> +int
> +rte_event_eth_tx_adapter_runtime_params_init(
> +               struct rte_event_eth_tx_adapter_runtime_params *txa_params);
> +
> +/**
> + * Set the runtime configuration parameters for adapter.
> + *
> + * In case not all fields are to be updated, the suggested way to use this
> + * api is read the current values using rte_event_eth_tx_adapter_get_params(),

api -> API

Not relevent any more. Use rte_event_eth_tx_adapter_runtime_params_init().
i.e This sentence can be removed.


> + * modify the required parameters and then call
> + * rte_event_eth_tx_adapter_runtime_params_set().



> + *
> + * This API is to be used after adding at least one queue to the adapter
> + * and is supported only for service based adapter.

This paragraph we can removed here as it is not generic API description.

> + *
> + * @param id
> + *  Adapter identifier
> + * @param params
> + *  A pointer to structure of type struct rte_event_eth_tx_adapter_runtime_params
> + *  with configuration parameter values. The reserved fields of this structure
> + *  must be initialized to zero and the valid fields need to be set appropriately.
> + *  This structure can be initialized using
> + *  rte_event_eth_tx_adapter_runtime_params_init() API to default values or
> + *  application may reset this structure and update required fields.
> + *
> + * @return
> + * -  0: Success
> + * - <0: Error code on failure
> + */
> +__rte_experimental
> +int
> +rte_event_eth_tx_adapter_runtime_params_set(uint8_t id,
> +               struct rte_event_eth_tx_adapter_runtime_params *params);
> +
> +/**
> + * Get the runtime configuration parameters of adapter.
> + *
> + * This API is to be used after adding at least one queue to the adapter
> + * and is supported only for service based adapter.

This paragraph we can removed here as it is not generic API description.

Similar comment to 3/3 patch. Also add chnagelog when sending next version
to know what is changed.

> + *
> + * @param id
> + *  Adapter identifier
> + * @param[out] params
> + *  A pointer to structure of type struct rte_event_eth_tx_adapter_runtime_params
> + *  containing valid Tx adapter parameters when return value is 0.
> + *
> + * @return
> + * -  0: Success
> + * - <0: Error code on failure
> + */
> +__rte_experimental
> +int
> +rte_event_eth_tx_adapter_runtime_params_get(uint8_t id,
> +               struct rte_event_eth_tx_adapter_runtime_params *params);
> +
>  #ifdef __cplusplus
>  }
>  #endif
> diff --git a/lib/eventdev/version.map b/lib/eventdev/version.map
> index ef9c3b86b2..7b93736dff 100644
> --- a/lib/eventdev/version.map
> +++ b/lib/eventdev/version.map
> @@ -124,6 +124,9 @@ EXPERIMENTAL {
>         rte_event_eth_rx_adapter_runtime_params_get;
>         rte_event_eth_rx_adapter_runtime_params_init;
>         rte_event_eth_rx_adapter_runtime_params_set;
> +       rte_event_eth_tx_adapter_runtime_params_get;
> +       rte_event_eth_tx_adapter_runtime_params_init;
> +       rte_event_eth_tx_adapter_runtime_params_set;
>         rte_event_timer_remaining_ticks_get;
>  };
>
> --
> 2.25.1
>

  reply	other threads:[~2023-02-10 14:06 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-07 16:18 [PATCH 1/3] eventdev/eth_rx: " 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   ` [PATCH v2 1/3] eventdev/eth_rx: " Jerin Jacob
2023-01-24 13:07     ` 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 [this message]
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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