Message ID | 20230216232126.3402975-4-vladimir.oltean@nxp.com (mailing list archive) |
---|---|
State | Superseded |
Delegated to: | Netdev Maintainers |
Headers | show |
Series | Add tc-mqprio and tc-taprio support for preemptible traffic classes | expand |
Context | Check | Description |
---|---|---|
netdev/tree_selection | success | Clearly marked for net-next |
netdev/fixes_present | success | Fixes tag not required for -next series |
netdev/subject_prefix | success | Link |
netdev/cover_letter | success | Series has a cover letter |
netdev/patch_count | success | Link |
netdev/header_inline | success | No static functions without inline keyword in header files |
netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
netdev/cc_maintainers | success | CCed 11 of 11 maintainers |
netdev/build_clang | success | Errors and warnings before: 0 this patch: 0 |
netdev/module_param | success | Was 0 now: 0 |
netdev/verify_signedoff | success | Signed-off-by tag matches author and committer |
netdev/check_selftest | success | No net selftest shell script |
netdev/verify_fixes | success | No Fixes tag |
netdev/build_allmodconfig_warn | success | Errors and warnings before: 0 this patch: 0 |
netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 57 lines checked |
netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
netdev/source_inline | success | Was 0 now: 0 |
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;
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@nxp.com> --- drivers/net/dsa/ocelot/felix_vsc9959.c | 22 +++++++++++++++++----- 1 file changed, 17 insertions(+), 5 deletions(-)