From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Nelio Larenjero <nelio.laranjeiro@6wind.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v3] mlx5: RETA query/update support
Date: Tue, 03 Nov 2015 11:23:28 +0100 [thread overview]
Message-ID: <1814998.7voNHEibcz@xps13> (raw)
In-Reply-To: <1446487917-18241-1-git-send-email-adrien.mazarguil@6wind.com>
2015-11-02 19:11, Adrien Mazarguil:
> From: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
>
> ConnectX-4 adapters to not have a constant indirection table size, which is
> set at runtime from the number of RX queues. The maximum size is retrieved
> using a hardware query and is normally 512.
>
> Since the current RETA API cannot handle a variable size, any query/update
> command causes it to be silently updated to RSS_INDIRECTION_TABLE_SIZE
> entries regardless of the original size.
>
> Also due to the underlying type of the configuration structure, the maximum
> size is limited to RSS_INDIRECTION_TABLE_SIZE (currently 128, at most 256
> entries).
>
> A port stop/start must be done to apply the new RETA configuration.
>
> Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
Applied, thanks
prev parent reply other threads:[~2015-11-03 10:24 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-05 17:57 [dpdk-dev] [PATCH 0/3] Add RETA configuration to mlx5 Adrien Mazarguil
2015-10-05 17:57 ` [dpdk-dev] [PATCH 1/3] cmdline: increase command line buffer Adrien Mazarguil
2015-10-05 17:57 ` [dpdk-dev] [PATCH 2/3] ethdev: change RETA type in rte_eth_rss_reta_entry64 Adrien Mazarguil
2015-10-05 17:57 ` [dpdk-dev] [PATCH 3/3] mlx5: RETA query/update support Adrien Mazarguil
2015-10-30 18:58 ` [dpdk-dev] [PATCH v2 0/3] Add RETA configuration to mlx5 Adrien Mazarguil
2015-10-30 18:58 ` [dpdk-dev] [PATCH v2 1/3] cmdline: increase command line buffer Adrien Mazarguil
2015-10-30 18:58 ` [dpdk-dev] [PATCH v2 2/3] ethdev: change RETA type in rte_eth_rss_reta_entry64 Adrien Mazarguil
2015-10-30 18:58 ` [dpdk-dev] [PATCH v2 3/3] mlx5: RETA query/update support Adrien Mazarguil
2015-11-02 17:31 ` [dpdk-dev] [PATCH] " Adrien Mazarguil
2015-11-02 17:40 ` Adrien Mazarguil
2015-11-02 18:11 ` [dpdk-dev] [PATCH v3] " Adrien Mazarguil
2015-11-03 10:23 ` Thomas Monjalon [this message]
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