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Mon, 28 Sep 2026 09:51:53 -0700 (PDT) X-Received: by 2002:a05:6102:8382:20b0:7b8:1f7b:5e98 with SMTP id ada2fe7eead31-7b81f7b65c8mr522734137.13.1790614313013; Mon, 28 Sep 2026 09:51:53 -0700 (PDT) Received: from localhost ([188.216.77.92]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4887a34a314sm29445527f8f.6.2026.09.28.09.51.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Sep 2026 09:51:51 -0700 (PDT) Date: Mon, 28 Sep 2026 18:51:51 +0200 From: Lorenzo Bianconi To: Maxime Chevallier , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Alexandre Torgue Cc: Daniel Thompson , netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Davide Caratti Subject: Re: [PATCH net-next v2 0/2] net: stmmac: Introduce hw queue priority offload Message-ID: References: <20260924-stmmac-mqprio-prio-offload-v2-0-fdd8b69efccf@oss.qualcomm.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="vGo5f+qo7DXy1Scc" Content-Disposition: inline In-Reply-To: <20260924-stmmac-mqprio-prio-offload-v2-0-fdd8b69efccf@oss.qualcomm.com> X-Proofpoint-GUID: h9RdyoANRydCs794tetUZxf-be4zvETk X-Authority-Analysis: v=2.4 cv=C7F8WgP+ c=1 sm=1 tr=0 ts=6aba9b2a cx=c_pps a=ULNsgckmlI/WJG3HAyAuOQ==:117 a=WpTaRW6qxYHRGzLzQsVYzg==:17 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=UBftKYhPbWsmCYAP9PIA:9 a=CjuIK1q_8ugA:10 a=UBkmr0p7e9xWzdnbdSAA:9 a=1WsBpfsz9X-RYQiigVTh:22 X-Proofpoint-ORIG-GUID: h9RdyoANRydCs794tetUZxf-be4zvETk X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTI4MDA2NyBTYWx0ZWRfX5T1KcRxK6gvW abUFf9yZIb2WK2BPbGzplG69Gjw8HK5smAyKgfcP8Ih37Zl1zDRoXZGG8OBP8SK/zBV0VdRnwqn EMkYMIBPkQzBRNQ6kf4P/iIq5ksuk6rpRyf5w37gtBKC3yFohpBo06lxDp1QG2exjsChOOB2rsP uHCSKfVlDng2/l+O+Cft3ZrTmycTMuB9/zBmEEtfg5v/LGHUROOosGgq8BmEX7K74nWiZ5KbK4Q 3g/Smip9pdHK4e6CMUOkJb7PBTtOVS/lwWahIX3utjXYdK9u+/+K+HmAJyIsfgQAlvFpFGUhh0a EpPi8hXVx6Jzie5d0/BIRK18A8TheR1D2RCGusglBH92kwZa9340huCAKARaJrJPtpVI4uumQ0U hmv+XNJ9HdaSPssfCHSqeF4IAmVLqvLgM1GEVJqaObwvorEv68nu6tnz9P4E6A/qahw8X1fDAQJ poRWoLe8lIH5zX/SWPg== X-Proofpoint-Spam-Info: AW1haW4tMjYwOTI4MDA2NyBTYWx0ZWRfX3R+grazR+ofU kJY8DZuI93GaQayP1h1YNcdP9a3zj6Btg0xuruxsC+AGaMGKROf3szfwPzSZUv03xB029JK+82H Vo/jKi6zpknHhp8wGOhxczL3ZWqlJTQ= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-28_04,2026-09-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 impostorscore=0 adultscore=0 suspectscore=0 spamscore=0 malwarescore=0 lowpriorityscore=0 clxscore=1015 phishscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609280067 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260928_095155_597650_90151EE8 X-CRM114-Status: GOOD ( 20.08 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --vGo5f+qo7DXy1Scc Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > Implement the offload of the tc mqprio hw queue priority in the stmmac > driver. This feature requires the mqprio to be configured in channel > mode. > Do not overwrite real_num_tx_queues configured by the qdisc in > stmmac_hw_setup(). >=20 > --- > Changes in v2: > - Forbid cbs queue offload if mqprio is already enabled. > - SP requires 1:1 TC to TXQ map. > - Fix the real_num_tx_queue overwrite during device open. > - Require the qdisc to be configured in channel mode to enable hw queue > priority offload in order to not introduce any regression in the > previous driver behaviour. > - Link to v1: https://lore.kernel.org/r/20260918-stmmac-mqprio-prio-offlo= ad-v1-1-5328157fcb58@oss.qualcomm.com >=20 > --- > Lorenzo Bianconi (2): > net: stmmac: add tc mqprio hw queue priority offload > net: stmmac: align real_num_tx_queues to mqprio configuration >=20 > drivers/net/ethernet/stmicro/stmmac/stmmac.h | 7 ++ > drivers/net/ethernet/stmicro/stmmac/stmmac_fpe.c | 2 +- > drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 28 +++-- > drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c | 132 ++++++++++++++++= ++++-- > 4 files changed, 146 insertions(+), 23 deletions(-) > --- > base-commit: 6516ac5e6b164bf78fb34d36b4d84d495a07c844 > change-id: 20260918-stmmac-mqprio-prio-offload-3d82d87f7bc8 I will fix sashiko's reported issues in v3. Regards, Lorenzo >=20 > Best regards, > --=20 > Lorenzo Bianconi >=20 --vGo5f+qo7DXy1Scc Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTquNwa3Txd3rGGn7Y6cBh0uS2trAUCarqbJwAKCRA6cBh0uS2t rGwEAP9oEyG66/9samTs3kLG015oGLi4ZY8zTArmgBxztWzSnAD9EEmXN5lC8XDM aaqDN+jFQC6d2CeuyiHYN8fDNZ19ggk= =lTFk -----END PGP SIGNATURE----- --vGo5f+qo7DXy1Scc--