diff options
| author | Vladimir Oltean <vladimir.oltean@nxp.com> | 2023-04-15 19:05:50 +0200 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-04-18 04:01:19 +0200 |
| commit | a1ca9f8b07d865224a6e4b1c41692f10bd95a311 (patch) | |
| tree | aeb4934463dea638f75a429770eaca45d53d99ee /drivers | |
| parent | net: mscc: ocelot: add support for mqprio offload (diff) | |
| download | linux-a1ca9f8b07d865224a6e4b1c41692f10bd95a311.tar.xz linux-a1ca9f8b07d865224a6e4b1c41692f10bd95a311.zip | |
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 (except for rejecting multiple TXQs per
TC, which is a useless concept with DSA switches).
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Ferenc Fejes <fejes@inf.elte.hu>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/dsa/ocelot/felix_vsc9959.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c index 66ec2740e3cb..e055b3980ccc 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; |