[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20230216232126.3402975-4-vladimir.oltean@nxp.com>
Date: Fri, 17 Feb 2023 01:21:17 +0200
From: Vladimir Oltean <vladimir.oltean@....com>
To: netdev@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Jamal Hadi Salim <jhs@...atatu.com>,
Cong Wang <xiyou.wangcong@...il.com>,
Jiri Pirko <jiri@...nulli.us>,
Vinicius Costa Gomes <vinicius.gomes@...el.com>,
Kurt Kanzenbach <kurt@...utronix.de>,
Gerhard Engleder <gerhard@...leder-embedded.com>,
Amritha Nambiar <amritha.nambiar@...el.com>,
Claudiu Manoil <claudiu.manoil@....com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
UNGLinuxDriver@...rochip.com, Andrew Lunn <andrew@...n.ch>,
Florian Fainelli <f.fainelli@...il.com>,
Ferenc Fejes <ferenc.fejes@...csson.com>,
Xiaoliang Yang <xiaoliang.yang_1@....com>,
linux-kernel@...r.kernel.org
Subject: [PATCH net-next 03/12] net: dsa: felix: act upon the mqprio qopt in taprio offload
The mqprio queue configuration can appear either through
TC_SETUP_QDISC_MQPRIO or through TC_SETUP_QDISC_TAPRIO. Make sure both
are treated in the same way.
Code does nothing new for now.
Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
---
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
Powered by blists - more mailing lists