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igc: block setting preemptible traffic class in taprio

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Since preemptible tc implementation is not ready yet, block it from being
set in taprio. The existing code already blocks it in mqprio.

Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Faizal Rahim <faizal.abdul.rahim@linux.intel.com>
Tested-by: Mor Bar-Gabay <morx.bar.gabay@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
This commit is contained in:
Faizal Rahim 2025-03-17 23:07:40 -04:00 committed by Tony Nguyen
parent 55ececab98
commit e9074d7f37
1 changed files with 4 additions and 0 deletions
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4
drivers/net/ethernet/intel/igc/igc_main.c
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@ -6486,6 +6486,10 @@ static int igc_save_qbv_schedule(struct igc_adapter *adapter,
if (!validate_schedule(adapter, qopt))
return -EINVAL;
/* preemptible isn't supported yet */
if (qopt->mqprio.preemptible_tcs)
return -EOPNOTSUPP;
igc_ptp_read(adapter, &now);
if (igc_tsn_is_taprio_activated_by_user(adapter) &&