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To: Chengchang Tang <tangchengchang@huawei.com>, <dev@dpdk.org>
CC: <thomas@monjalon.net>, <arybchenko@solarflare.com>,
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From: "Wei Hu (Xavier)" <huwei013@chinasoftinc.com>
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Date: Wed, 26 Aug 2020 15:29:23 +0800
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Subject: Re: [dpdk-dev] [PATCH v2 1/3] ethdev: add a field for rxq info
structure
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On 2020/8/26 15:12, Chengchang Tang wrote:
> Add a field named rx_buf_size in rte_eth_rxq_info to indicate the buffer
> size used in receiving packets for HW.
>
> In this way, upper-layer users can get this information by calling
> rte_eth_rx_queue_info_get.
>
> Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
> Acked-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
> ---
> v1 -> v2: fix wrong headline format
> ---
> lib/librte_ethdev/rte_ethdev.h | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h
> index 70295d7..9fed5cb 100644
> --- a/lib/librte_ethdev/rte_ethdev.h
> +++ b/lib/librte_ethdev/rte_ethdev.h
> @@ -1420,6 +1420,8 @@ struct rte_eth_rxq_info {
> struct rte_eth_rxconf conf; /**< queue config parameters. */
> uint8_t scattered_rx; /**< scattered packets RX supported. */
> uint16_t nb_desc; /**< configured number of RXDs. */
> + /**< buffer size used for hardware when receive packets. */
> + uint16_t rx_buf_size;
> } __rte_cache_min_aligned;
>
> /**
> --
> 2.7.4
>