| Message ID | 20250309104648.3895551-13-faizal.abdul.rahim@linux.intel.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | igc: Add support for Frame Preemption feature in IGC | expand |
On Sun, Mar 09, 2025 at 06:46:46AM -0400, Faizal Rahim wrote: > Since preemptible tc implementation is not ready yet, block it from being > set in taprio. The existing code already blocks it in mqprio. > > Signed-off-by: Faizal Rahim <faizal.abdul.rahim@linux.intel.com> > --- Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 71c377cb7a88..fc945c5b7c70 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -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) &&
Since preemptible tc implementation is not ready yet, block it from being set in taprio. The existing code already blocks it in mqprio. Signed-off-by: Faizal Rahim <faizal.abdul.rahim@linux.intel.com> --- drivers/net/ethernet/intel/igc/igc_main.c | 4 ++++ 1 file changed, 4 insertions(+)