From: Corentin Labbe <clabbe.montjoie@gmail.com>
To: Belisko Marek <marek.belisko@gmail.com>
Cc: netdev <netdev@vger.kernel.org>
Subject: Re: set mtu size broken for dwmac-sun8i
Date: Wed, 17 Mar 2021 12:33:46 +0100 [thread overview]
Message-ID: <YFHpGmgOV/O+6lTZ@Red> (raw)
In-Reply-To: <CAAfyv37z0ny=JGsRrVwkzoOd3RNb_j-rQii65a0e2+KMt-YM3A@mail.gmail.com>
Le Wed, Mar 17, 2021 at 10:19:26AM +0100, Belisko Marek a écrit :
> Hi,
>
> I'm hunting an issue when setting mtu failed for dwmac-sun8i driver.
> Basically adding more debug shows that in stmmac_change_mtu
> tx_fifo_size is 0 and in this case EINVAL is reported. Isaw there was
> fix for similar driver dwmac-sunxi driver by:
> 806fd188ce2a4f8b587e83e73c478e6484fbfa55
>
> IIRC dwmac-sun8i should get tx and rx fifo size from dma but seems
> it's not the case. I'm using 5.4 kernel LTS release. Any ideas?
>
> Thanks and BR,
>
> marek
>
Hello
Could you provide exact command line you tried to change mtu ?
Along with all MTU values you tried.
Thanks
Regards
next prev parent reply other threads:[~2021-03-17 11:34 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-17 9:19 set mtu size broken for dwmac-sun8i Belisko Marek
2021-03-17 11:33 ` Corentin Labbe [this message]
2021-03-17 11:37 ` Belisko Marek
2021-03-17 16:01 ` Corentin Labbe
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