From: Tan Tee Min tee.min.tan@linux.intel.com
[ Upstream commit e17090eb24944fbbe1f24d9f336d7bad4fbe47e8 ]
Introduce qbv_enable flag in igc_adapter struct to store the Qbv on/off. So this allow the BaseTime to enroll with zero value.
Fixes: 61572d5f8f91 ("igc: Simplify TSN flags handling") Signed-off-by: Muhammad Husaini Zulkifli muhammad.husaini.zulkifli@intel.com Signed-off-by: Tan Tee Min tee.min.tan@linux.intel.com Tested-by: Naama Meir naamax.meir@linux.intel.com Signed-off-by: Tony Nguyen anthony.l.nguyen@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/intel/igc/igc.h | 1 + drivers/net/ethernet/intel/igc/igc_main.c | 2 ++ drivers/net/ethernet/intel/igc/igc_tsn.c | 2 +- 3 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/intel/igc/igc.h b/drivers/net/ethernet/intel/igc/igc.h index 66a57636d329..df3e26c0cf01 100644 --- a/drivers/net/ethernet/intel/igc/igc.h +++ b/drivers/net/ethernet/intel/igc/igc.h @@ -184,6 +184,7 @@ struct igc_adapter {
ktime_t base_time; ktime_t cycle_time; + bool qbv_enable;
/* OS defined structs */ struct pci_dev *pdev; diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 42386a0eef68..d666b3aab523 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -6037,6 +6037,8 @@ static int igc_save_qbv_schedule(struct igc_adapter *adapter, u32 start_time = 0, end_time = 0; size_t n;
+ adapter->qbv_enable = qopt->enable; + if (!qopt->enable) return igc_tsn_clear_schedule(adapter);
diff --git a/drivers/net/ethernet/intel/igc/igc_tsn.c b/drivers/net/ethernet/intel/igc/igc_tsn.c index 4a019954cadb..356c7455c5ce 100644 --- a/drivers/net/ethernet/intel/igc/igc_tsn.c +++ b/drivers/net/ethernet/intel/igc/igc_tsn.c @@ -36,7 +36,7 @@ static unsigned int igc_tsn_new_flags(struct igc_adapter *adapter) { unsigned int new_flags = adapter->flags & ~IGC_FLAG_TSN_ANY_ENABLED;
- if (adapter->base_time) + if (adapter->qbv_enable) new_flags |= IGC_FLAG_TSN_QBV_ENABLED;
if (is_any_launchtime(adapter))