From: Ferruh Yigit <ferruh.yigit@amd.com>
To: Dongdong Liu <liudongdong3@huawei.com>, <dev@dpdk.org>,
<thomas@monjalon.net>, <ferruh.yigit@xilinx.com>,
<andrew.rybchenko@oktetlabs.ru>, <stephen@networkplumber.org>,
<mdr@ashroe.eu>
Cc: "Min Hu (Connor)" <humin29@huawei.com>
Subject: Re: [PATCH v4 1/3] ethdev: introduce ethdev desc dump API
Date: Mon, 3 Oct 2022 23:40:13 +0100 [thread overview]
Message-ID: <32e4a2fe-e75f-e832-278c-651d5081324a@amd.com> (raw)
In-Reply-To: <20220923074316.25077-2-liudongdong3@huawei.com>
On 9/23/2022 8:43 AM, Dongdong Liu wrote:
>
> From: "Min Hu (Connor)" <humin29@huawei.com>
>
> Added the ethdev Rx/Tx desc dump API which provides functions for query
> descriptor from device. HW descriptor info differs in different NICs.
> The information demonstrates I/O process which is important for debug.
> As the information is different
Overall OK to have these new APIs, please find comments below.
Do you think does it worth to list this as one of the PMD future in
future list, in 'doc/guides/nics/features.rst' ?
between NICs, the new API is introduced.
>
> Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
> Signed-off-by: Dongdong Liu <liudongdong3@huawei.com>
> Acked-by: Ray Kinsella <mdr@ashroe.eu>
<...>
> int rte_eth_dev_priv_dump(uint16_t port_id, FILE *file);
>
> +/**
> + * @warning
> + * @b EXPERIMENTAL: this API may change, or be removed, without prior notice
> + *
> + * Dump ethdev Rx descriptor info to a file.
> + *
> + * This API is used for debugging, not a dataplane API.
> + *
> + * @param file
> + * A pointer to a file for output.
> + * @param dev
> + * Port (ethdev) handle.
> + * @param queue_id
> + * The selected queue.
> + * @param num
> + * The number of the descriptors to dump.
> + * @return
> + * - On success, zero.
> + * - On failure, a negative value.
> + */
> +__rte_experimental
> +int rte_eth_rx_hw_desc_dump(FILE *file, uint16_t port_id, uint16_t queue_id,
> + uint16_t num);
There are other HW desc related APIs, like 'rte_eth_rx_descriptor_status()'.
Should this APIs follow same naming convention:
'rte_eth_rx_descriptor_dump()'
'rte_eth_tx_descriptor_dump()'
> +
> +/**
> + * @warning
> + * @b EXPERIMENTAL: this API may change, or be removed, without prior notice
> + *
> + * Dump ethdev Tx descriptor info to a file.
> + *
> + * This API is used for debugging, not a dataplane API.
> + *
> + * @param file
> + * A pointer to a file for output.
> + * @param dev
> + * Port (ethdev) handle.
> + * @param queue_id
> + * The selected queue.
> + * @param num
> + * The number of the descriptors to dump.
> + * @return
> + * - On success, zero.
> + * - On failure, a negative value.
> + */
> +__rte_experimental
> +int rte_eth_tx_hw_desc_dump(FILE *file, uint16_t port_id, uint16_t queue_id,
> + uint16_t num);
'num' is provided, does it assume it starts from offset 0, what do you
think to provide 'offset' as parameter?
It may be a use case to start from where tail/head pointer is.
> +
> +
> #include <rte_ethdev_core.h>
>
> /**
> diff --git a/lib/ethdev/version.map b/lib/ethdev/version.map
> index 03f52fee91..3c7c75b582 100644
> --- a/lib/ethdev/version.map
> +++ b/lib/ethdev/version.map
> @@ -285,6 +285,8 @@ EXPERIMENTAL {
> rte_mtr_color_in_protocol_priority_get;
> rte_mtr_color_in_protocol_set;
> rte_mtr_meter_vlan_table_update;
> + rte_eth_rx_hw_desc_dump;
> + rte_eth_tx_hw_desc_dump;
These new APIs should go after "# added in 22.11" comment, if you rebase
on top of latest HEAD, comment is already there.
next prev parent reply other threads:[~2022-10-03 22:40 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-27 2:33 [PATCH 0/4] support HW Rx/Tx descriptor dump Min Hu (Connor)
2022-05-27 2:33 ` [PATCH 1/4] ethdev: introduce ethdev HW desc dump PI Min Hu (Connor)
2022-05-27 15:34 ` Stephen Hemminger
2022-05-28 2:21 ` Min Hu (Connor)
2022-05-30 9:17 ` Ray Kinsella
2022-05-30 11:00 ` Min Hu (Connor)
2022-05-30 11:15 ` Ray Kinsella
2022-05-27 2:33 ` [PATCH 2/4] net/hns3: rename hns3 dump files Min Hu (Connor)
2022-05-27 2:33 ` [PATCH 3/4] net/hns3: support Rx/Tx bd dump Min Hu (Connor)
2022-05-27 15:36 ` Stephen Hemminger
2022-05-28 1:47 ` Min Hu (Connor)
2022-05-27 2:33 ` [PATCH 4/4] app/procinfo: support descriptor dump Min Hu (Connor)
2022-05-28 2:19 ` [PATCH v2 0/4] support HW Rx/Tx " Min Hu (Connor)
2022-05-28 2:19 ` [PATCH v2 1/4] ethdev: introduce ethdev HW desc dump PI Min Hu (Connor)
2022-05-28 2:19 ` [PATCH v2 2/4] net/hns3: rename hns3 dump files Min Hu (Connor)
2022-05-28 2:19 ` [PATCH v2 3/4] net/hns3: support Rx/Tx bd dump Min Hu (Connor)
2022-05-28 2:19 ` [PATCH v2 4/4] app/procinfo: support descriptor dump Min Hu (Connor)
2022-06-01 7:49 ` [PATCH v3 0/4] support HW Rx/Tx " Min Hu (Connor)
2022-06-01 7:49 ` [PATCH v3 1/4] ethdev: introduce ethdev HW desc dump PI Min Hu (Connor)
2022-06-01 19:53 ` Andrew Rybchenko
2022-06-07 13:59 ` Dongdong Liu
2022-06-08 10:09 ` Andrew Rybchenko
2022-06-11 9:04 ` Dongdong Liu
2022-06-01 7:49 ` [PATCH v3 2/4] net/hns3: rename hns3 dump files Min Hu (Connor)
2022-06-01 7:49 ` [PATCH v3 3/4] net/hns3: support Rx/Tx bd dump Min Hu (Connor)
2022-06-01 7:49 ` [PATCH v3 4/4] app/procinfo: support descriptor dump Min Hu (Connor)
2022-06-01 18:26 ` [PATCH v3 0/4] support HW Rx/Tx " Andrew Rybchenko
2022-06-01 18:48 ` Ray Kinsella
2022-06-07 14:02 ` Dongdong Liu
2022-06-02 13:27 ` Andrew Rybchenko
2022-06-07 14:01 ` Dongdong Liu
2022-09-23 7:43 ` [PATCH v4 0/3] support ethdev " Dongdong Liu
2022-09-23 7:43 ` [PATCH v4 1/3] ethdev: introduce ethdev desc dump API Dongdong Liu
2022-10-03 22:40 ` Ferruh Yigit [this message]
2022-10-04 7:05 ` Andrew Rybchenko
2022-10-06 8:26 ` Dongdong Liu
2022-10-06 17:13 ` Stephen Hemminger
2022-10-07 11:24 ` Ferruh Yigit
2022-09-23 7:43 ` [PATCH v4 2/3] net/hns3: support Rx/Tx bd dump Dongdong Liu
2022-09-23 7:43 ` [PATCH v4 3/3] app/procinfo: support descriptor dump Dongdong Liu
2022-09-23 12:18 ` Pattan, Reshma
2022-09-24 8:41 ` Dongdong Liu
2022-10-06 12:05 ` [PATCH v5 0/3] support ethdev Rx/Tx " Dongdong Liu
2022-10-06 12:05 ` [PATCH v5 1/3] ethdev: introduce ethdev desc dump API Dongdong Liu
2022-10-06 16:39 ` Ferruh Yigit
2022-10-06 12:05 ` [PATCH v5 2/3] net/hns3: support Rx/Tx bd dump Dongdong Liu
2022-10-06 16:40 ` Ferruh Yigit
2022-10-06 12:05 ` [PATCH v5 3/3] app/procinfo: support descriptor dump Dongdong Liu
2022-10-07 14:43 ` Pattan, Reshma
2022-10-08 9:46 ` Dongdong Liu
2022-10-06 16:42 ` [PATCH v5 0/3] support ethdev Rx/Tx " Ferruh Yigit
2022-10-08 11:11 ` Dongdong Liu
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