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igc: allow BaseTime 0 enrollment for Qbv

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[ Upstream commit e17090eb24 ]

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: 61572d5f8f ("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>
This commit is contained in:
Tan Tee Min 2022-12-09 12:15:20 +08:00 committed by Greg Kroah-Hartman
parent c0df8e7ba6
commit 1ef9416957
3 changed files with 4 additions and 1 deletions
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1
drivers/net/ethernet/intel/igc/igc.h
View File

@ -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;

2
drivers/net/ethernet/intel/igc/igc_main.c
View File

@ -5981,6 +5981,8 @@ 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);

2
drivers/net/ethernet/intel/igc/igc_tsn.c
View File

@ -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))