diff options
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-fw.h | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/fw-api.h | 60 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c | 20 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/mvm.h | 38 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/ops.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/sta.c | 12 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/tx.c | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/utils.c | 46 |
8 files changed, 165 insertions, 19 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-fw.h b/drivers/net/wireless/iwlwifi/iwl-fw.h index e33754682e6..4f6e66892ac 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fw.h +++ b/drivers/net/wireless/iwlwifi/iwl-fw.h @@ -153,6 +153,8 @@ enum iwl_ucode_tlv_api { * @IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT: supports adding TPC Report IE in * probe requests. * @IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT: supports Quiet Period requests + * @IWL_UCODE_TLV_CAPA_DQA_SUPPORT: supports dynamic queue allocation (DQA), + * which also implies support for the scheduler configuration command */ enum iwl_ucode_tlv_capa { IWL_UCODE_TLV_CAPA_D0I3_SUPPORT = BIT(0), @@ -160,6 +162,7 @@ enum iwl_ucode_tlv_capa { IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT = BIT(9), IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT = BIT(10), IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT = BIT(11), + IWL_UCODE_TLV_CAPA_DQA_SUPPORT = BIT(12), }; /* The default calibrate table size if not specified by firmware file */ diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/iwlwifi/mvm/fw-api.h index a2c662808a8..667a92274c8 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api.h @@ -116,6 +116,9 @@ enum { TXPATH_FLUSH = 0x1e, MGMT_MCAST_KEY = 0x1f, + /* scheduler config */ + SCD_QUEUE_CFG = 0x1d, + /* global key */ WEP_KEY = 0x20, @@ -1650,4 +1653,61 @@ struct iwl_dts_measurement_notif { __le32 voltage; } __packed; /* TEMPERATURE_MEASUREMENT_TRIGGER_NTFY_S */ +/** + * enum iwl_scd_control - scheduler config command control flags + * @IWL_SCD_CONTROL_RM_TID: remove TID from this queue + * @IWL_SCD_CONTROL_SET_SSN: use the SSN and program it into HW + */ +enum iwl_scd_control { + IWL_SCD_CONTROL_RM_TID = BIT(4), + IWL_SCD_CONTROL_SET_SSN = BIT(5), +}; + +/** + * enum iwl_scd_flags - scheduler config command flags + * @IWL_SCD_FLAGS_SHARE_TID: multiple TIDs map to this queue + * @IWL_SCD_FLAGS_SHARE_RA: multiple RAs map to this queue + * @IWL_SCD_FLAGS_DQA_ENABLED: DQA is enabled + */ +enum iwl_scd_flags { + IWL_SCD_FLAGS_SHARE_TID = BIT(0), + IWL_SCD_FLAGS_SHARE_RA = BIT(1), + IWL_SCD_FLAGS_DQA_ENABLED = BIT(2), +}; + +#define IWL_SCDQ_INVALID_STA 0xff + +/** + * struct iwl_scd_txq_cfg_cmd - New txq hw scheduler config command + * @token: dialog token addba - unused legacy + * @sta_id: station id 4-bit + * @tid: TID 0..7 + * @scd_queue: TFD queue num 0 .. 31 + * @enable: 1 queue enable, 0 queue disable + * @aggregate: 1 aggregated queue, 0 otherwise + * @tx_fifo: tx fifo num 0..7 + * @window: up to 64 + * @ssn: starting seq num 12-bit + * @control: command control flags + * @flags: flags - see &enum iwl_scd_flags + * + * Note that every time the command is sent, all parameters must + * be filled with the exception of + * - the SSN, which is only used with @IWL_SCD_CONTROL_SET_SSN + * - the window, which is only relevant when starting aggregation + */ +struct iwl_scd_txq_cfg_cmd { + u8 token; + u8 sta_id; + u8 tid; + u8 scd_queue; + u8 enable; + u8 aggregate; + u8 tx_fifo; + u8 window; + __le16 ssn; + u8 control; + u8 flags; +} __packed; + #endif /* __fw_api_h__ */ diff --git a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c index 83426714592..0c5c0b0e23f 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c @@ -427,17 +427,17 @@ int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif) switch (vif->type) { case NL80211_IFTYPE_P2P_DEVICE: - iwl_trans_ac_txq_enable(mvm->trans, IWL_MVM_OFFCHANNEL_QUEUE, - IWL_MVM_TX_FIFO_VO); + iwl_mvm_enable_ac_txq(mvm, IWL_MVM_OFFCHANNEL_QUEUE, + IWL_MVM_TX_FIFO_VO); break; case NL80211_IFTYPE_AP: - iwl_trans_ac_txq_enable(mvm->trans, vif->cab_queue, - IWL_MVM_TX_FIFO_MCAST); + iwl_mvm_enable_ac_txq(mvm, vif->cab_queue, + IWL_MVM_TX_FIFO_MCAST); /* fall through */ default: for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) - iwl_trans_ac_txq_enable(mvm->trans, vif->hw_queue[ac], - iwl_mvm_ac_to_tx_fifo[ac]); + iwl_mvm_enable_ac_txq(mvm, vif->hw_queue[ac], + iwl_mvm_ac_to_tx_fifo[ac]); break; } @@ -452,16 +452,14 @@ void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif) switch (vif->type) { case NL80211_IFTYPE_P2P_DEVICE: - iwl_trans_txq_disable(mvm->trans, IWL_MVM_OFFCHANNEL_QUEUE, - true); + iwl_mvm_disable_txq(mvm, IWL_MVM_OFFCHANNEL_QUEUE); break; case NL80211_IFTYPE_AP: - iwl_trans_txq_disable(mvm->trans, vif->cab_queue, true); + iwl_mvm_disable_txq(mvm, vif->cab_queue); /* fall through */ default: for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) - iwl_trans_txq_disable(mvm->trans, vif->hw_queue[ac], - true); + iwl_mvm_disable_txq(mvm, vif->hw_queue[ac]); } } diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h index 552995810f9..8eacebb90f2 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h @@ -779,6 +779,11 @@ static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm) (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_D0I3_SUPPORT); } +static inline bool iwl_mvm_is_dqa_supported(struct iwl_mvm *mvm) +{ + return mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_DQA_SUPPORT; +} + extern const u8 iwl_mvm_ac_to_tx_fifo[]; struct iwl_rate_info { @@ -1141,6 +1146,39 @@ static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif) return mvmvif->low_latency; } +/* hw scheduler queue config */ +void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, u16 ssn, + const struct iwl_trans_txq_scd_cfg *cfg); +void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue); + +static inline void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue, + u8 fifo) +{ + struct iwl_trans_txq_scd_cfg cfg = { + .fifo = fifo, + .tid = IWL_MAX_TID_COUNT, + .aggregate = false, + .frame_limit = IWL_FRAME_LIMIT, + }; + + iwl_mvm_enable_txq(mvm, queue, 0, &cfg); +} + +static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue, + int fifo, int sta_id, int tid, + int frame_limit, u16 ssn) +{ + struct iwl_trans_txq_scd_cfg cfg = { + .fifo = fifo, + .sta_id = sta_id, + .tid = tid, + .frame_limit = frame_limit, + .aggregate = true, + }; + + iwl_mvm_enable_txq(mvm, queue, ssn, &cfg); +} + /* Assoc status */ bool iwl_mvm_is_idle(struct iwl_mvm *mvm); diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c index f887779717d..9bf9de7927b 100644 --- a/drivers/net/wireless/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/iwlwifi/mvm/ops.c @@ -342,6 +342,7 @@ static const char *const iwl_mvm_cmd_strings[REPLY_MAX] = { CMD(BT_COEX_UPDATE_REDUCED_TXP), CMD(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION), CMD(ANTENNA_COUPLING_NOTIFICATION), + CMD(SCD_QUEUE_CFG), }; #undef CMD diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c index 666f16b4bed..bccd7870626 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/iwlwifi/mvm/sta.c @@ -535,8 +535,8 @@ int iwl_mvm_add_aux_sta(struct iwl_mvm *mvm) lockdep_assert_held(&mvm->mutex); /* Map Aux queue to fifo - needs to happen before adding Aux station */ - iwl_trans_ac_txq_enable(mvm->trans, mvm->aux_queue, - IWL_MVM_TX_FIFO_MCAST); + iwl_mvm_enable_ac_txq(mvm, mvm->aux_queue, + IWL_MVM_TX_FIFO_MCAST); /* Allocate aux station and assign to it the aux queue */ ret = iwl_mvm_allocate_int_sta(mvm, &mvm->aux_sta, BIT(mvm->aux_queue), @@ -887,8 +887,8 @@ int iwl_mvm_sta_tx_agg_oper(struct iwl_mvm *mvm, struct ieee80211_vif *vif, if (ret) return -EIO; - iwl_trans_txq_enable(mvm->trans, queue, fifo, mvmsta->sta_id, tid, - buf_size, ssn); + iwl_mvm_enable_agg_txq(mvm, queue, fifo, mvmsta->sta_id, tid, + buf_size, ssn); /* * Even though in theory the peer could have different @@ -956,7 +956,7 @@ int iwl_mvm_sta_tx_agg_stop(struct iwl_mvm *mvm, struct ieee80211_vif *vif, iwl_mvm_sta_tx_agg(mvm, sta, tid, txq_id, false); - iwl_trans_txq_disable(mvm->trans, txq_id, true); + iwl_mvm_disable_txq(mvm, txq_id); return 0; case IWL_AGG_STARTING: case IWL_EMPTYING_HW_QUEUE_ADDBA: @@ -1013,7 +1013,7 @@ int iwl_mvm_sta_tx_agg_flush(struct iwl_mvm *mvm, struct ieee80211_vif *vif, iwl_mvm_sta_tx_agg(mvm, sta, tid, txq_id, false); - iwl_trans_txq_disable(mvm->trans, tid_data->txq_id, true); + iwl_mvm_disable_txq(mvm, tid_data->txq_id); } mvm->queue_to_mac80211[tid_data->txq_id] = diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c index d84f3ca75f6..66e1a3ddc75 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/iwlwifi/mvm/tx.c @@ -493,11 +493,11 @@ static void iwl_mvm_check_ratid_empty(struct iwl_mvm *mvm, IWL_DEBUG_TX_QUEUES(mvm, "Can continue DELBA flow ssn = next_recl = %d\n", tid_data->next_reclaimed); - iwl_trans_txq_disable(mvm->trans, tid_data->txq_id, true); + iwl_mvm_disable_txq(mvm, tid_data->txq_id); tid_data->state = IWL_AGG_OFF; /* * we can't hold the mutex - but since we are after a sequence - * point (call to iwl_trans_txq_disable), so we don't even need + * point (call to iwl_mvm_disable_txq(), so we don't even need * a memory barrier. */ mvm->queue_to_mac80211[tid_data->txq_id] = diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c index 1958f298ac8..8021f6eec27 100644 --- a/drivers/net/wireless/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/iwlwifi/mvm/utils.c @@ -530,6 +530,52 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm) iwl_mvm_dump_umac_error_log(mvm); } +void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, u16 ssn, + const struct iwl_trans_txq_scd_cfg *cfg) +{ + if (iwl_mvm_is_dqa_supported(mvm)) { + struct iwl_scd_txq_cfg_cmd cmd = { + .scd_queue = queue, + .enable = 1, + .window = cfg->frame_limit, + .sta_id = cfg->sta_id, + .ssn = cpu_to_le16(ssn), + .tx_fifo = cfg->fifo, + .aggregate = cfg->aggregate, + .flags = IWL_SCD_FLAGS_DQA_ENABLED, + .tid = cfg->tid, + .control = IWL_SCD_CONTROL_SET_SSN, + }; + int ret = iwl_mvm_send_cmd_pdu(mvm, SCD_QUEUE_CFG, 0, + sizeof(cmd), &cmd); + if (ret) + IWL_ERR(mvm, + "Failed to configure queue %d on FIFO %d\n", + queue, cfg->fifo); + } + + iwl_trans_txq_enable_cfg(mvm->trans, queue, ssn, + iwl_mvm_is_dqa_supported(mvm) ? NULL : cfg); +} + +void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue) +{ + iwl_trans_txq_disable(mvm->trans, queue, + !iwl_mvm_is_dqa_supported(mvm)); + + if (iwl_mvm_is_dqa_supported(mvm)) { + struct iwl_scd_txq_cfg_cmd cmd = { + .scd_queue = queue, + .enable = 0, + }; + int ret = iwl_mvm_send_cmd_pdu(mvm, SCD_QUEUE_CFG, CMD_ASYNC, + sizeof(cmd), &cmd); + if (ret) + IWL_ERR(mvm, "Failed to disable queue %d (ret=%d)\n", + queue, ret); + } +} + /** * iwl_mvm_send_lq_cmd() - Send link quality command * @init: This command is sent as part of station initialization right |