diff options
Diffstat (limited to 'drivers/net/ethernet/intel/igc')
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc_main.c | 9 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc_tsn.c | 13 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc_tsn.h | 2 |
3 files changed, 15 insertions, 9 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 988131d7acd7..212560f22254 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -6020,7 +6020,7 @@ static int igc_tsn_enable_launchtime(struct igc_adapter *adapter, if (err) return err; - return igc_tsn_offload_apply(adapter); + return igc_tsn_offload_apply(adapter, qopt->enable); } static int igc_tsn_clear_schedule(struct igc_adapter *adapter) @@ -6044,6 +6044,7 @@ static int igc_save_qbv_schedule(struct igc_adapter *adapter, struct tc_taprio_qopt_offload *qopt) { bool queue_configured[IGC_MAX_TX_QUEUES] = { }; + struct igc_hw *hw = &adapter->hw; u32 start_time = 0, end_time = 0; size_t n; int i; @@ -6056,7 +6057,7 @@ static int igc_save_qbv_schedule(struct igc_adapter *adapter, if (qopt->base_time < 0) return -ERANGE; - if (adapter->base_time) + if (igc_is_device_id_i225(hw) && adapter->base_time) return -EALREADY; if (!validate_schedule(adapter, qopt)) @@ -6133,7 +6134,7 @@ static int igc_tsn_enable_qbv_scheduling(struct igc_adapter *adapter, if (err) return err; - return igc_tsn_offload_apply(adapter); + return igc_tsn_offload_apply(adapter, qopt->enable); } static int igc_save_cbs_params(struct igc_adapter *adapter, int queue, @@ -6201,7 +6202,7 @@ static int igc_tsn_enable_cbs(struct igc_adapter *adapter, if (err) return err; - return igc_tsn_offload_apply(adapter); + return igc_tsn_offload_apply(adapter, qopt->enable); } static int igc_setup_tc(struct net_device *dev, enum tc_setup_type type, 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; } diff --git a/drivers/net/ethernet/intel/igc/igc_tsn.h b/drivers/net/ethernet/intel/igc/igc_tsn.h index b53e6af560b7..631222bb6eb5 100644 --- a/drivers/net/ethernet/intel/igc/igc_tsn.h +++ b/drivers/net/ethernet/intel/igc/igc_tsn.h @@ -4,7 +4,7 @@ #ifndef _IGC_TSN_H_ #define _IGC_TSN_H_ -int igc_tsn_offload_apply(struct igc_adapter *adapter); +int igc_tsn_offload_apply(struct igc_adapter *adapter, bool enable); int igc_tsn_reset(struct igc_adapter *adapter); void igc_tsn_adjust_txtime_offset(struct igc_adapter *adapter); |