From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7A45932BF4B for ; Thu, 15 Jan 2026 13:40:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768484406; cv=none; b=pLfApNPq+lIOVy3kqZnAi69/oTGJxUGH+QF4oPPY+to7vU+RKBaFji007k42xa/L1OD8zYaKUlNoKDewtOleYJx3iNwo9OI2WxlRyTBoY1SIGuN/bnlPHkP64pKBQETRvEyB5LfXmEI2KVKbijaxWEvPMtcuDhQ0cFY7vYPzLBQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768484406; c=relaxed/simple; bh=grQ06VHH5Zs834d5HBWaZvaELX00Hkf34g6d4HrTUww=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=KZtBUPg2L0JxINiN2ZHVKty8dLNwkSuVFh+CJ/rPAmWQ1ciWsbLFX+8KxL/1Pwsbv4XgYLIR0t29Pm541wfLcvbnCXsN8eM/a0ywoYZbnYcLtZnTjJKNJZSLLnQdOQLVedtlCjdTDtud5bK0uZFUiLTm0yIAfQlWVFNum0qKRQM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=b7NYU10p; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="b7NYU10p" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B4277C116D0; Thu, 15 Jan 2026 13:40:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768484406; bh=grQ06VHH5Zs834d5HBWaZvaELX00Hkf34g6d4HrTUww=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=b7NYU10pwWmpzRf6cbU5f4xRtJXcgYUsYcqXeTPotviIVG3JHjElfxN8yO55+1qvk 1LJg46ESHuhVS9QY1FcaPDfwq+eKvizqalbyZ7YI5YzFCD/Y+YI65rZD2GrJoH/UN5 GXxErAArRg80HHv70Lf+rRXUfDBgQiKpJEjoF1IMWkpPqRwcwU4Lylh1V8JZqVQ/tV lVtQklJQnTEYjbfWDVqq2OOssEdR6V91m7kOw+C1cRp3WuissUgUEzBFjS8L0+qLCp 7hNaMlHWR+70+tt8ld1w1tkmu19f+at0diFhljYG7/p7ixqx5eSppsugmknSXx5Tf3 I8Pcr0R9/Yvig== Date: Thu, 15 Jan 2026 14:40:03 +0100 From: Lorenzo Bianconi To: Sayantan Nandy Cc: linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, netdev@vger.kernel.org, sayantan.nandy@airoha.com, bread.hsu@airoha.com, kuldeep.malik@airoha.com, aniket.negi@airoha.com, rajeev.kumar@airoha.com Subject: Re: [PATCH] net: airoha_eth: increase max mtu to 9220 for DSA jumbo frames Message-ID: References: <20260115084837.52307-1-sayantann11@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="hTVUY/fjLDiK9ZZK" Content-Disposition: inline In-Reply-To: <20260115084837.52307-1-sayantann11@gmail.com> --hTVUY/fjLDiK9ZZK Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > The Industry standard for jumbo frame MTU is 9216 bytes. When using DSA > sub-system, an extra 4 byte tag is added to each frame. To allow users > to set the standard 9216-byte MTU via ifconfig,increase AIROHA_MAX_MTU > to 9220 bytes (9216+4). >=20 > Signed-off-by: Sayantan Nandy I think the patch is fine, but here you are missing to specify this is v2 and this patch targets net-next. Moreover, please wait 24h before reposting a new version of the same patch. Regards, Lorenzo > --- > drivers/net/ethernet/airoha/airoha_eth.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >=20 > diff --git a/drivers/net/ethernet/airoha/airoha_eth.h b/drivers/net/ether= net/airoha/airoha_eth.h > index fbbc58133364..20e602d61e61 100644 > --- a/drivers/net/ethernet/airoha/airoha_eth.h > +++ b/drivers/net/ethernet/airoha/airoha_eth.h > @@ -21,7 +21,7 @@ > #define AIROHA_MAX_NUM_IRQ_BANKS 4 > #define AIROHA_MAX_DSA_PORTS 7 > #define AIROHA_MAX_NUM_RSTS 3 > -#define AIROHA_MAX_MTU 9216 > +#define AIROHA_MAX_MTU 9220 > #define AIROHA_MAX_PACKET_SIZE 2048 > #define AIROHA_NUM_QOS_CHANNELS 4 > #define AIROHA_NUM_QOS_QUEUES 8 > --=20 > 2.43.0 >=20 --hTVUY/fjLDiK9ZZK Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTquNwa3Txd3rGGn7Y6cBh0uS2trAUCaWjuMwAKCRA6cBh0uS2t rOa3AQC1RGQZqnY6BrNow/ISe6gGIq5sjzdfYKLQ0jWqs1VGxgD+JmqagFtjSGtr U3SpJX78mwpooaSRhsohFIT1z+4WSwQ= =OpV3 -----END PGP SIGNATURE----- --hTVUY/fjLDiK9ZZK--