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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Jamal Hadi Salim , Cong Wang , Jiri Pirko , Vinicius Costa Gomes , Kurt Kanzenbach , Gerhard Engleder , Amritha Nambiar , Claudiu Manoil , Alexandre Belloni , UNGLinuxDriver@microchip.com, Andrew Lunn , Florian Fainelli , Ferenc Fejes , Xiaoliang Yang , Roger Quadros , Pranavi Somisetty , Harini Katakam , Giuseppe Cavallaro , Alexandre Torgue , Michael Sit Wei Hong , Mohammad Athari Bin Ismail , Jacob Keller , linux-kernel@vger.kernel.org, Ferenc Fejes Subject: [PATCH v3 net-next 11/13] net: dsa: felix: act upon the mqprio qopt in taprio offload Date: Mon, 20 Feb 2023 14:23:41 +0200 Message-Id: <20230220122343.1156614-12-vladimir.oltean@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230220122343.1156614-1-vladimir.oltean@nxp.com> References: <20230220122343.1156614-1-vladimir.oltean@nxp.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: BE1P281CA0183.DEUP281.PROD.OUTLOOK.COM (2603:10a6:b10:8d::17) To VI1PR04MB5136.eurprd04.prod.outlook.com (2603:10a6:803:55::19) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: VI1PR04MB5136:EE_|PA4PR04MB7725:EE_ X-MS-Office365-Filtering-Correlation-Id: aaae7c8e-bd60-4915-5aeb-08db133d659d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Make sure both are treated in the same way. Code does nothing new for now (except for rejecting multiple TXQs per TC, which is a useless concept with DSA switches). Signed-off-by: Vladimir Oltean Reviewed-by: Ferenc Fejes --- v2->v3: slightly reword commit message v1->v2: none drivers/net/dsa/ocelot/felix_vsc9959.c | 22 +++++++++++++++++----- 1 file changed, 17 insertions(+), 5 deletions(-) diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c index 3df71444dde1..81fcdccacd8b 100644 --- a/drivers/net/dsa/ocelot/felix_vsc9959.c +++ b/drivers/net/dsa/ocelot/felix_vsc9959.c @@ -1424,6 +1424,7 @@ static int vsc9959_qos_port_tas_set(struct ocelot *ocelot, int port, mutex_lock(&ocelot->tas_lock); if (!taprio->enable) { + ocelot_port_mqprio(ocelot, port, &taprio->mqprio); ocelot_rmw_rix(ocelot, 0, QSYS_TAG_CONFIG_ENABLE, QSYS_TAG_CONFIG, port); @@ -1436,15 +1437,19 @@ static int vsc9959_qos_port_tas_set(struct ocelot *ocelot, int port, return 0; } + ret = ocelot_port_mqprio(ocelot, port, &taprio->mqprio); + if (ret) + goto err_unlock; + if (taprio->cycle_time > NSEC_PER_SEC || taprio->cycle_time_extension >= NSEC_PER_SEC) { ret = -EINVAL; - goto err; + goto err_reset_tc; } if (taprio->num_entries > VSC9959_TAS_GCL_ENTRY_MAX) { ret = -ERANGE; - goto err; + goto err_reset_tc; } /* Enable guard band. The switch will schedule frames without taking @@ -1468,7 +1473,7 @@ static int vsc9959_qos_port_tas_set(struct ocelot *ocelot, int port, val = ocelot_read(ocelot, QSYS_PARAM_STATUS_REG_8); if (val & QSYS_PARAM_STATUS_REG_8_CONFIG_PENDING) { ret = -EBUSY; - goto err; + goto err_reset_tc; } ocelot_rmw_rix(ocelot, @@ -1503,12 +1508,19 @@ static int vsc9959_qos_port_tas_set(struct ocelot *ocelot, int port, !(val & QSYS_TAS_PARAM_CFG_CTRL_CONFIG_CHANGE), 10, 100000); if (ret) - goto err; + goto err_reset_tc; ocelot_port->taprio = taprio_offload_get(taprio); vsc9959_tas_guard_bands_update(ocelot, port); -err: + mutex_unlock(&ocelot->tas_lock); + + return 0; + +err_reset_tc: + taprio->mqprio.qopt.num_tc = 0; + ocelot_port_mqprio(ocelot, port, &taprio->mqprio); +err_unlock: mutex_unlock(&ocelot->tas_lock); return ret; -- 2.34.1