From: "Samudrala, Sridhar" <sridhar.samudrala@intel.com>
To: <daire.mcnamara@microchip.com>, <nicholas.ferre@microchip.com>,
<claudiu.beznea@microchip.com>, <davem@davemloft.net>,
<edumazet@google.com>, <kuba@kernel.org>, <pabeni@redhat.com>,
<netdev@vger.kernel.org>, <conor.dooley@microchip.com>
Subject: Re: [PATCH v1 1/1] net: macb: Shorten max_tx_len to 4KiB - 56 on mpfs
Date: Thu, 13 Apr 2023 15:36:19 -0500 [thread overview]
Message-ID: <3b6186b2-86c5-4370-b30b-8e416a93505f@intel.com> (raw)
In-Reply-To: <20230413180337.1399614-2-daire.mcnamara@microchip.com>
On 4/13/2023 1:03 PM, daire.mcnamara@microchip.com wrote:
> From: Daire McNamara <daire.mcnamara@microchip.com>
>
> On mpfs, with SRAM configured for 4 queues, setting max_tx_len
> to GEM_TX_MAX_LEN=0x3f0 results multiple AMBA errors.
> Setting max_tx_len to (4KiB - 56) removes those errors.
>
> The details are described in erratum 1686 by Cadence
>
> The max jumbo frame size is also reduced for mpfs to (4KiB - 56).
>
> Signed-off-by: Daire McNamara <daire.mcnamara@microchip.com>
Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
next prev parent reply other threads:[~2023-04-13 20:36 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-13 18:03 [PATCH v1 0/1] Adjust macb max_tx_len for mpfs daire.mcnamara
2023-04-13 18:03 ` [PATCH v1 1/1] net: macb: Shorten max_tx_len to 4KiB - 56 on mpfs daire.mcnamara
2023-04-13 20:36 ` Samudrala, Sridhar [this message]
2023-04-14 8:59 ` Nicolas.Ferre
2023-04-14 9:14 ` Katakam, Harini
2023-04-14 10:57 ` Conor Dooley
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