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igc: Add condition for qbv_config_change_errors counter

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Add condition to increase the qbv counter during taprio qbv
configuration only.

There might be a case when TC already been setup then user configure
the ETF/CBS qdisc and this counter will increase if no condition above.

Fixes: ae4fe46983 ("igc: Add qbv_config_change_errors counter")
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 2023-05-15 14:03:36 +08:00 • committed by Tony Nguyen
parent c451410ca7
commit ed89b74d2d
3 changed files with 4 additions and 0 deletions
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1
drivers/net/ethernet/intel/igc/igc.h
View file

@ -184,6 +184,7 @@ struct igc_adapter {
u32 max_frame_size;
u32 min_frame_size;
int tc_setup_type;
ktime_t base_time;
ktime_t cycle_time;
bool qbv_enable;

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

@ -6327,6 +6327,8 @@ static int igc_setup_tc(struct net_device *dev, enum tc_setup_type type,
{
struct igc_adapter *adapter = netdev_priv(dev);
adapter->tc_setup_type = type;
switch (type) {
case TC_QUERY_CAPS:
return igc_tc_query_caps(adapter, type_data);

1
drivers/net/ethernet/intel/igc/igc_tsn.c
View file

@ -249,6 +249,7 @@ skip_cbs:
* Gate Control List (GCL) is running.
*/
if ((rd32(IGC_BASET_H) || rd32(IGC_BASET_L)) &&
(adapter->tc_setup_type == TC_SETUP_QDISC_TAPRIO) &&
tsn_mode_reconfig)
adapter->qbv_config_change_errors++;
} else {