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igc: Add qbv_config_change_errors counter

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Add ConfigChangeError(qbv_config_change_errors) when user try to set the
AdminBaseTime to past value while the current GCL is still running.

The ConfigChangeError counter should not be increased when a gate control
list is scheduled into the future.

User can use "ethtool -S <interface> | grep qbv_config_change_errors"
command to check the counter values.

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>
This commit is contained in:
Muhammad Husaini Zulkifli
2023-02-16 10:07:31 +08:00
committed by Tony Nguyen
parent 36e5e391a2
commit ae4fe46983
4 changed files with 15 additions and 0 deletions
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1
drivers/net/ethernet/intel/igc/igc.h
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@ -185,6 +185,7 @@ struct igc_adapter {
ktime_t base_time;
ktime_t cycle_time;
bool qbv_enable;
u32 qbv_config_change_errors;
/* OS defined structs */
struct pci_dev *pdev;