diff options
| author | Vinicius Costa Gomes <vinicius.gomes@intel.com> | 2022-12-09 12:15:18 +0800 |
|---|---|---|
| committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2022-12-15 13:19:30 -0800 |
| commit | d8f45be01dd9381065a3778a579385249ed011dc (patch) | |
| tree | 3cd16c5bb0d34526534df5af5fab060994fc2218 /drivers/net/ethernet/intel | |
| parent | db0b124f02ba68de6517ac303d431af220ccfe9f (diff) | |
| download | linux-d8f45be01dd9381065a3778a579385249ed011dc.tar.bz2 | |
igc: Use strict cycles for Qbv scheduling
Configuring strict cycle mode in the controller forces more well
behaved transmissions when taprio is offloaded.
When set this strict_cycle and strict_end, transmission is not
enabled if the whole packet cannot be completed before end of
the Qbv cycle.
Fixes: 82faa9b79950 ("igc: Add support for ETF offloading")
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Signed-off-by: Aravindhan Gunasekaran <aravindhan.gunasekaran@intel.com>
Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel')
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc_tsn.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc_tsn.c b/drivers/net/ethernet/intel/igc/igc_tsn.c index f975ed807da1..684aedd4d088 100644 --- a/drivers/net/ethernet/intel/igc/igc_tsn.c +++ b/drivers/net/ethernet/intel/igc/igc_tsn.c @@ -140,15 +140,8 @@ static int igc_tsn_enable_offload(struct igc_adapter *adapter) wr32(IGC_STQT(i), ring->start_time); wr32(IGC_ENDQT(i), ring->end_time); - if (adapter->base_time) { - /* If we have a base_time we are in "taprio" - * mode and we need to be strict about the - * cycles: only transmit a packet if it can be - * completed during that cycle. - */ - txqctl |= IGC_TXQCTL_STRICT_CYCLE | - IGC_TXQCTL_STRICT_END; - } + txqctl |= IGC_TXQCTL_STRICT_CYCLE | + IGC_TXQCTL_STRICT_END; if (ring->launchtime_enable) txqctl |= IGC_TXQCTL_QUEUE_MODE_LAUNCHT; |