Message ID | 20210717161222.24288-1-muhammad.husaini.zulkifli@intel.com |
---|---|
State | Accepted |
Delegated to: | Anthony Nguyen |
Headers | show |
Series | [v2] igc: Increase timeout value for Speed 100/1000/2500 | expand |
On 7/17/2021 19:12, Muhammad Husaini Zulkifli wrote: > As the cycle time is set to maximum of 1s, the TX Hang timeout need to > be increase to avoid possible TX Hang. > > There is no dedicated number specific in data sheet for the timeout factor. > Timeout factor was determined during the debugging to solve the "Tx Hang" > issues that happen in some cases mainly during ETF(Earliest TxTime First). > > This can be test by using TSN Schedule Tx Tools udp_tai sample application. > > Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com> > Acked-by: Sasha Neftin <sasha.neftin@intel.com> > > --- > > V1 -> V2: Add reason for the timeout factor > > --- > drivers/net/ethernet/intel/igc/igc_main.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 4959078e111e..380e21e56398 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -5321,7 +5321,9 @@ static void igc_watchdog_task(struct work_struct *work) adapter->tx_timeout_factor = 14; break; case SPEED_100: - /* maybe add some timeout factor ? */ + case SPEED_1000: + case SPEED_2500: + adapter->tx_timeout_factor = 7; break; }