diff options
| author | Tan Tee Min <tee.min.tan@linux.intel.com> | 2022-12-15 00:29:08 +0800 |
|---|---|---|
| committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2023-01-03 09:36:17 -0800 |
| commit | 5ac1231ac14d1b8a1098048e51cad45f11b85c0a (patch) | |
| tree | 6ffe8f2795252d80082bd1fdd32d7f8e1e05ed7d /drivers/net/ethernet/intel/igc/igc_tsn.c | |
| parent | b8897dc54e3bc9d25281bbb42a7d730782ff4588 (diff) | |
igc: enable Qbv configuration for 2nd GCL
Make reset task only executes for i225 and Qbv disabling to allow
i226 configure for 2nd GCL without resetting the adapter.
In i226, Tx won't hang if there is a GCL is already running, so in
this case we don't need to set FutScdDis bit.
Signed-off-by: Tan Tee Min <tee.min.tan@linux.intel.com>
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>
Diffstat (limited to 'drivers/net/ethernet/intel/igc/igc_tsn.c')
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc_tsn.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc_tsn.c b/drivers/net/ethernet/intel/igc/igc_tsn.c index 28325dc4fc5b..d26fc0f47640 100644 --- a/drivers/net/ethernet/intel/igc/igc_tsn.c +++ b/drivers/net/ethernet/intel/igc/igc_tsn.c @@ -225,7 +225,7 @@ skip_cbs: wr32(IGC_TXQCTL(i), txqctl); } - tqavctrl = rd32(IGC_TQAVCTRL); + tqavctrl = rd32(IGC_TQAVCTRL) & ~IGC_TQAVCTRL_FUTSCDDIS; tqavctrl |= IGC_TQAVCTRL_TRANSMIT_MODE_TSN | IGC_TQAVCTRL_ENHANCED_QAV; cycle = adapter->cycle_time; @@ -242,8 +242,11 @@ skip_cbs: } else { /* According to datasheet section 7.5.2.9.3.3, FutScdDis bit * has to be configured before the cycle time and base time. + * Tx won't hang if there is a GCL is already running, + * so in this case we don't need to set FutScdDis. */ - if (igc_is_device_id_i226(hw)) + if (igc_is_device_id_i226(hw) && + !(rd32(IGC_BASET_H) || rd32(IGC_BASET_L))) tqavctrl |= IGC_TQAVCTRL_FUTSCDDIS; } @@ -286,11 +289,13 @@ int igc_tsn_reset(struct igc_adapter *adapter) return err; } -int igc_tsn_offload_apply(struct igc_adapter *adapter) +int igc_tsn_offload_apply(struct igc_adapter *adapter, bool enable) { + struct igc_hw *hw = &adapter->hw; int err; - if (netif_running(adapter->netdev)) { + if (netif_running(adapter->netdev) && + (igc_is_device_id_i225(hw) || !enable)) { schedule_work(&adapter->reset_task); return 0; } |