diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm')
27 files changed, 2399 insertions, 2115 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/constants.h b/drivers/net/wireless/intel/iwlwifi/mvm/constants.h index 915b172da57a..58df25e2fb32 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/constants.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/constants.h @@ -153,5 +153,7 @@ #define IWL_MVM_FTM_INITIATOR_DYNACK true #define IWL_MVM_D3_DEBUG false #define IWL_MVM_USE_TWT false +#define IWL_MVM_AMPDU_CONSEC_DROPS_DELBA 10 +#define IWL_MVM_USE_NSSN_SYNC 0 #endif /* __MVM_CONSTANTS_H */ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c index cec40855a641..22a32eb10f01 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c @@ -735,40 +735,16 @@ iwl_mvm_get_wowlan_config(struct iwl_mvm *mvm, return 0; } -static void -iwl_mvm_iter_d0i3_ap_keys(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - void (*iter)(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_sta *sta, - struct ieee80211_key_conf *key, - void *data), - void *data) -{ - struct ieee80211_sta *ap_sta; - - rcu_read_lock(); - - ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[mvm->d0i3_ap_sta_id]); - if (IS_ERR_OR_NULL(ap_sta)) - goto out; - - ieee80211_iter_keys_rcu(mvm->hw, vif, iter, data); -out: - rcu_read_unlock(); -} - -int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - bool d0i3, - u32 cmd_flags) +static int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + u32 cmd_flags) { struct iwl_wowlan_kek_kck_material_cmd kek_kck_cmd = {}; struct iwl_wowlan_tkip_params_cmd tkip_cmd = {}; bool unified = fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); struct wowlan_key_data key_data = { - .configure_keys = !d0i3 && !unified, + .configure_keys = !unified, .use_rsc_tsc = false, .tkip = &tkip_cmd, .use_tkip = false, @@ -784,25 +760,16 @@ int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, * if we have to configure keys, call ieee80211_iter_keys(), * as we need non-atomic context in order to take the * required locks. - * for the d0i3 we can't use ieee80211_iter_keys(), as - * taking (almost) any mutex might result in deadlock. */ - if (!d0i3) { - /* - * Note that currently we don't propagate cmd_flags - * to the iterator. In case of key_data.configure_keys, - * all the configured commands are SYNC, and - * iwl_mvm_wowlan_program_keys() will take care of - * locking/unlocking mvm->mutex. - */ - ieee80211_iter_keys(mvm->hw, vif, - iwl_mvm_wowlan_program_keys, - &key_data); - } else { - iwl_mvm_iter_d0i3_ap_keys(mvm, vif, - iwl_mvm_wowlan_program_keys, - &key_data); - } + /* + * Note that currently we don't propagate cmd_flags + * to the iterator. In case of key_data.configure_keys, + * all the configured commands are SYNC, and + * iwl_mvm_wowlan_program_keys() will take care of + * locking/unlocking mvm->mutex. + */ + ieee80211_iter_keys(mvm->hw, vif, iwl_mvm_wowlan_program_keys, + &key_data); if (key_data.error) { ret = -EIO; @@ -830,7 +797,7 @@ int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, } /* configure rekey data only if offloaded rekey is supported (d3) */ - if (mvmvif->rekey_data.valid && !d0i3) { + if (mvmvif->rekey_data.valid) { memset(&kek_kck_cmd, 0, sizeof(kek_kck_cmd)); memcpy(kek_kck_cmd.kck, mvmvif->rekey_data.kck, NL80211_KCK_LEN); @@ -864,6 +831,8 @@ iwl_mvm_wowlan_config(struct iwl_mvm *mvm, bool unified_image = fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); + mvm->offload_tid = wowlan_config_cmd->offloading_tid; + if (!unified_image) { ret = iwl_mvm_switch_to_d3(mvm); if (ret) @@ -881,8 +850,7 @@ iwl_mvm_wowlan_config(struct iwl_mvm *mvm, * that isn't really a problem though. */ mutex_unlock(&mvm->mutex); - ret = iwl_mvm_wowlan_config_key_params(mvm, vif, false, - CMD_ASYNC); + ret = iwl_mvm_wowlan_config_key_params(mvm, vif, CMD_ASYNC); mutex_lock(&mvm->mutex); if (ret) return ret; @@ -936,6 +904,8 @@ iwl_mvm_netdetect_config(struct iwl_mvm *mvm, wowlan_config_cmd.wakeup_filter |= cpu_to_le32(IWL_WOWLAN_WAKEUP_RF_KILL_DEASSERT); + wowlan_config_cmd.sta_id = mvm->aux_sta.sta_id; + ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, 0, sizeof(wowlan_config_cmd), &wowlan_config_cmd); @@ -1019,6 +989,8 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw, mutex_lock(&mvm->mutex); + set_bit(IWL_MVM_STATUS_IN_D3, &mvm->status); + vif = iwl_mvm_get_bss_vif(mvm); if (IS_ERR_OR_NULL(vif)) { ret = 1; @@ -1043,6 +1015,8 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw, } else { struct iwl_wowlan_config_cmd wowlan_config_cmd = {}; + wowlan_config_cmd.sta_id = mvmvif->ap_sta_id; + ap_sta = rcu_dereference_protected( mvm->fw_id_to_mac_id[mvmvif->ap_sta_id], lockdep_is_held(&mvm->mutex)); @@ -1082,8 +1056,8 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw, * recording before entering D3. In later devices the FW stops the * recording automatically. */ - if (mvm->trans->cfg->device_family < IWL_DEVICE_FAMILY_9000) - iwl_fw_dbg_stop_recording(mvm->trans, NULL); + if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_9000) + iwl_fw_dbg_stop_restart_recording(&mvm->fwrt, NULL, true); /* must be last -- this switches firmware state */ ret = iwl_mvm_send_cmd(mvm, &d3_cfg_cmd); @@ -1100,18 +1074,19 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw, clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); - iwl_trans_d3_suspend(mvm->trans, test, !unified_image); + ret = iwl_trans_d3_suspend(mvm->trans, test, !unified_image); out: if (ret < 0) { iwl_mvm_free_nd(mvm); if (!unified_image) { - iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); if (mvm->fw_restart > 0) { mvm->fw_restart--; ieee80211_restart_hw(mvm->hw); } } + + clear_bit(IWL_MVM_STATUS_IN_D3, &mvm->status); } out_noreset: mutex_unlock(&mvm->mutex); @@ -1119,37 +1094,12 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw, return ret; } -static int iwl_mvm_enter_d0i3_sync(struct iwl_mvm *mvm) -{ - struct iwl_notification_wait wait_d3; - static const u16 d3_notif[] = { D3_CONFIG_CMD }; - int ret; - - iwl_init_notification_wait(&mvm->notif_wait, &wait_d3, - d3_notif, ARRAY_SIZE(d3_notif), - NULL, NULL); - - ret = iwl_mvm_enter_d0i3(mvm->hw->priv); - if (ret) - goto remove_notif; - - ret = iwl_wait_notification(&mvm->notif_wait, &wait_d3, HZ); - WARN_ON_ONCE(ret); - return ret; - -remove_notif: - iwl_remove_notification(&mvm->notif_wait, &wait_d3); - return ret; -} - int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); struct iwl_trans *trans = mvm->trans; int ret; - /* make sure the d0i3 exit work is not pending */ - flush_work(&mvm->d0i3_exit_work); iwl_mvm_pause_tcm(mvm, true); iwl_fw_runtime_suspend(&mvm->fwrt); @@ -1158,25 +1108,6 @@ int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) if (ret) return ret; - if (wowlan->any) { - trans->system_pm_mode = IWL_PLAT_PM_MODE_D0I3; - - if (iwl_mvm_enter_d0i3_on_suspend(mvm)) { - ret = iwl_mvm_enter_d0i3_sync(mvm); - - if (ret) - return ret; - } - - mutex_lock(&mvm->d0i3_suspend_mutex); - __set_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags); - mutex_unlock(&mvm->d0i3_suspend_mutex); - - iwl_trans_d3_suspend(trans, false, false); - - return 0; - } - trans->system_pm_mode = IWL_PLAT_PM_MODE_D3; return __iwl_mvm_suspend(hw, wowlan, false); @@ -1735,6 +1666,13 @@ static bool iwl_mvm_query_wakeup_reasons(struct iwl_mvm *mvm, mvm_ap_sta->tid_data[i].seq_number = seq; } + if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000) { + i = mvm->offload_tid; + iwl_trans_set_q_ptrs(mvm->trans, + mvm_ap_sta->tid_data[i].txq_id, + mvm_ap_sta->tid_data[i].seq_number >> 4); + } + /* now we have all the data we need, unlock to avoid mac80211 issues */ mutex_unlock(&mvm->mutex); @@ -1752,30 +1690,6 @@ out_unlock: return false; } -void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - struct iwl_wowlan_status *status) -{ - struct iwl_mvm_d3_gtk_iter_data gtkdata = { - .mvm = mvm, - .status = status, - }; - - /* - * rekey handling requires taking locks that can't be taken now. - * however, d0i3 doesn't offload rekey, so we're fine. - */ - if (WARN_ON_ONCE(status->num_of_gtk_rekeys)) - return; - - /* find last GTK that we used initially, if any */ - gtkdata.find_phase = true; - iwl_mvm_iter_d0i3_ap_keys(mvm, vif, iwl_mvm_d3_update_keys, >kdata); - - gtkdata.find_phase = false; - iwl_mvm_iter_d0i3_ap_keys(mvm, vif, iwl_mvm_d3_update_keys, >kdata); -} - #define ND_QUERY_BUF_LEN (sizeof(struct iwl_scan_offload_profile_match) * \ IWL_SCAN_MAX_PROFILES) @@ -1983,27 +1897,55 @@ static void iwl_mvm_d3_disconnect_iter(void *data, u8 *mac, ieee80211_resume_disconnect(vif); } -static int iwl_mvm_check_rt_status(struct iwl_mvm *mvm, - struct ieee80211_vif *vif) +static bool iwl_mvm_rt_status(struct iwl_trans *trans, u32 base, u32 *err_id) { - u32 base = mvm->trans->dbg.lmac_error_event_table[0]; struct error_table_start { /* cf. struct iwl_error_event_table */ u32 valid; - u32 error_id; + __le32 err_id; } err_info; - iwl_trans_read_mem_bytes(mvm->trans, base, + if (!base) + return false; + + iwl_trans_read_mem_bytes(trans, base, &err_info, sizeof(err_info)); + if (err_info.valid && err_id) + *err_id = le32_to_cpu(err_info.err_id); - if (err_info.valid && - err_info.error_id == RF_KILL_INDICATOR_FOR_WOWLAN) { - struct cfg80211_wowlan_wakeup wakeup = { - .rfkill_release = true, - }; - ieee80211_report_wowlan_wakeup(vif, &wakeup, GFP_KERNEL); + return !!err_info.valid; +} + +static bool iwl_mvm_check_rt_status(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) +{ + u32 err_id; + + /* check for lmac1 error */ + if (iwl_mvm_rt_status(mvm->trans, + mvm->trans->dbg.lmac_error_event_table[0], + &err_id)) { + if (err_id == RF_KILL_INDICATOR_FOR_WOWLAN) { + struct cfg80211_wowlan_wakeup wakeup = { + .rfkill_release = true, + }; + ieee80211_report_wowlan_wakeup(vif, &wakeup, + GFP_KERNEL); + } + return true; } - return err_info.valid; + + /* check if we have lmac2 set and check for error */ + if (iwl_mvm_rt_status(mvm->trans, + mvm->trans->dbg.lmac_error_event_table[1], NULL)) + return true; + + /* check for umac error */ + if (iwl_mvm_rt_status(mvm->trans, + mvm->trans->dbg.umac_error_event_table, NULL)) + return true; + + return false; } static int __iwl_mvm_resume(struct iwl_mvm *mvm, bool test) @@ -2019,38 +1961,69 @@ static int __iwl_mvm_resume(struct iwl_mvm *mvm, bool test) mutex_lock(&mvm->mutex); + clear_bit(IWL_MVM_STATUS_IN_D3, &mvm->status); + /* get the BSS vif pointer again */ vif = iwl_mvm_get_bss_vif(mvm); if (IS_ERR_OR_NULL(vif)) goto err; - ret = iwl_trans_d3_resume(mvm->trans, &d3_status, test, !unified_image); - if (ret) - goto err; - - if (d3_status != IWL_D3_STATUS_ALIVE) { - IWL_INFO(mvm, "Device was reset during suspend\n"); - goto err; - } - iwl_fw_dbg_read_d3_debug_data(&mvm->fwrt); if (iwl_mvm_check_rt_status(mvm, vif)) { set_bit(STATUS_FW_ERROR, &mvm->trans->status); iwl_mvm_dump_nic_error_log(mvm); + iwl_dbg_tlv_time_point(&mvm->fwrt, + IWL_FW_INI_TIME_POINT_FW_ASSERT, NULL); iwl_fw_dbg_collect_desc(&mvm->fwrt, &iwl_dump_desc_assert, false, 0); ret = 1; goto err; } + ret = iwl_trans_d3_resume(mvm->trans, &d3_status, test, !unified_image); + if (ret) + goto err; + + if (d3_status != IWL_D3_STATUS_ALIVE) { + IWL_INFO(mvm, "Device was reset during suspend\n"); + goto err; + } + if (d0i3_first) { - ret = iwl_mvm_send_cmd_pdu(mvm, D0I3_END_CMD, 0, 0, NULL); + struct iwl_host_cmd cmd = { + .id = D0I3_END_CMD, + .flags = CMD_WANT_SKB, + }; + int len; + + ret = iwl_mvm_send_cmd(mvm, &cmd); if (ret < 0) { IWL_ERR(mvm, "Failed to send D0I3_END_CMD first (%d)\n", ret); goto err; } + switch (mvm->cmd_ver.d0i3_resp) { + case 0: + break; + case 1: + len = iwl_rx_packet_payload_len(cmd.resp_pkt); + if (len != sizeof(u32)) { + IWL_ERR(mvm, + "Error with D0I3_END_CMD response size (%d)\n", + len); + goto err; + } + if (IWL_D0I3_RESET_REQUIRE & + le32_to_cpu(*(__le32 *)cmd.resp_pkt->data)) { + iwl_write32(mvm->trans, CSR_RESET, + CSR_RESET_REG_FLAG_FORCE_NMI); + iwl_free_resp(&cmd); + } + break; + default: + WARN_ON(1); + } } /* @@ -2059,6 +2032,9 @@ static int __iwl_mvm_resume(struct iwl_mvm *mvm, bool test) */ iwl_mvm_update_changed_regdom(mvm); + /* Re-configure PPAG settings */ + iwl_mvm_ppag_send_cmd(mvm); + if (!unified_image) /* Re-configure default SAR profile */ iwl_mvm_sar_select_profile(mvm, 1, 1); @@ -2115,14 +2091,6 @@ out: * 2. We are using a unified image but had an error while exiting D3 */ set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); - /* - * When switching images we return 1, which causes mac80211 - * to do a reconfig with IEEE80211_RECONFIG_TYPE_RESTART. - * This type of reconfig calls iwl_mvm_restart_complete(), - * where we unref the IWL_MVM_REF_UCODE_DOWN, so we need - * to take the reference here. - */ - iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); return 1; } @@ -2134,53 +2102,12 @@ static int iwl_mvm_resume_d3(struct iwl_mvm *mvm) return __iwl_mvm_resume(mvm, false); } -static int iwl_mvm_resume_d0i3(struct iwl_mvm *mvm) -{ - bool exit_now; - enum iwl_d3_status d3_status; - struct iwl_trans *trans = mvm->trans; - - iwl_trans_d3_resume(trans, &d3_status, false, false); - - /* - * make sure to clear D0I3_DEFER_WAKEUP before - * calling iwl_trans_resume(), which might wait - * for d0i3 exit completion. - */ - mutex_lock(&mvm->d0i3_suspend_mutex); - __clear_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags); - exit_now = __test_and_clear_bit(D0I3_PENDING_WAKEUP, - &mvm->d0i3_suspend_flags); - mutex_unlock(&mvm->d0i3_suspend_mutex); - if (exit_now) { - IWL_DEBUG_RPM(mvm, "Run deferred d0i3 exit\n"); - _iwl_mvm_exit_d0i3(mvm); - } - - iwl_trans_resume(trans); - - if (iwl_mvm_enter_d0i3_on_suspend(mvm)) { - int ret = iwl_mvm_exit_d0i3(mvm->hw->priv); - - if (ret) - return ret; - /* - * d0i3 exit will be deferred until reconfig_complete. - * make sure there we are out of d0i3. - */ - } - return 0; -} - int iwl_mvm_resume(struct ieee80211_hw *hw) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); int ret; - if (mvm->trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3) - ret = iwl_mvm_resume_d0i3(mvm); - else - ret = iwl_mvm_resume_d3(mvm); + ret = iwl_mvm_resume_d3(mvm); mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_DISABLED; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c index 0c188a82cfc1..190cf15b825c 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c @@ -148,7 +148,8 @@ static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf, "FLUSHING all tids queues on sta_id = %d\n", flush_arg); mutex_lock(&mvm->mutex); - ret = iwl_mvm_flush_sta_tids(mvm, flush_arg, 0xFF, 0) ? : count; + ret = iwl_mvm_flush_sta_tids(mvm, flush_arg, 0xFFFF, 0) + ? : count; mutex_unlock(&mvm->mutex); return ret; } @@ -377,7 +378,7 @@ static ssize_t iwl_dbgfs_sar_geo_profile_read(struct file *file, pos = scnprintf(buf, bufsz, "SAR geographic profile disabled\n"); } else { - value = &mvm->geo_profiles[tbl_idx - 1].values[0]; + value = &mvm->fwrt.geo_profiles[tbl_idx - 1].values[0]; pos += scnprintf(buf + pos, bufsz - pos, "Use geographic profile %d\n", tbl_idx); @@ -751,7 +752,7 @@ static ssize_t iwl_dbgfs_fw_ver_read(struct file *file, char __user *user_buf, pos += scnprintf(pos, endpos - pos, "FW: %s\n", mvm->fwrt.fw->human_readable); pos += scnprintf(pos, endpos - pos, "Device: %s\n", - mvm->fwrt.trans->cfg->name); + mvm->fwrt.trans->name); pos += scnprintf(pos, endpos - pos, "Bus: %s\n", mvm->fwrt.dev->bus->name); @@ -1056,19 +1057,11 @@ static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf, static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf, size_t count, loff_t *ppos) { - int ret; - if (!iwl_mvm_firmware_running(mvm)) return -EIO; - ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_NMI); - if (ret) - return ret; - iwl_force_nmi(mvm->trans); - iwl_mvm_unref(mvm, IWL_MVM_REF_NMI); - return count; } @@ -1181,8 +1174,8 @@ static ssize_t iwl_dbgfs_inject_packet_write(struct iwl_mvm *mvm, struct iwl_rx_mpdu_desc *desc; int bin_len = count / 2; int ret = -EINVAL; - size_t mpdu_cmd_hdr_size = - (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) ? + size_t mpdu_cmd_hdr_size = (mvm->trans->trans_cfg->device_family >= + IWL_DEVICE_FAMILY_AX210) ? sizeof(struct iwl_rx_mpdu_desc) : IWL_RX_DESC_SIZE_V1; @@ -1190,7 +1183,7 @@ static ssize_t iwl_dbgfs_inject_packet_write(struct iwl_mvm *mvm, return -EIO; /* supporting only 9000 descriptor */ - if (!mvm->trans->cfg->mq_rx_supported) + if (!mvm->trans->trans_cfg->mq_rx_supported) return -ENOTSUPP; rxb._page = alloc_pages(GFP_ATOMIC, 0); @@ -1380,19 +1373,15 @@ static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm, char *buf, size_t count, loff_t *ppos) { - int ret; - - ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE); - if (ret) - return ret; if (count == 0) return 0; + iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_USER_TRIGGER, + NULL); + iwl_fw_dbg_collect(&mvm->fwrt, FW_DBG_TRIGGER_USER, buf, (count - 1), NULL); - iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE); - return count; } @@ -1579,87 +1568,6 @@ static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm, } #endif -#define PRINT_MVM_REF(ref) do { \ - if (mvm->refs[ref]) \ - pos += scnprintf(buf + pos, bufsz - pos, \ - "\t(0x%lx): %d %s\n", \ - BIT(ref), mvm->refs[ref], #ref); \ -} while (0) - -static ssize_t iwl_dbgfs_d0i3_refs_read(struct file *file, - char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct iwl_mvm *mvm = file->private_data; - int i, pos = 0; - char buf[256]; - const size_t bufsz = sizeof(buf); - u32 refs = 0; - - for (i = 0; i < IWL_MVM_REF_COUNT; i++) - if (mvm->refs[i]) - refs |= BIT(i); - - pos += scnprintf(buf + pos, bufsz - pos, "taken mvm refs: 0x%x\n", - refs); - - PRINT_MVM_REF(IWL_MVM_REF_UCODE_DOWN); - PRINT_MVM_REF(IWL_MVM_REF_SCAN); - PRINT_MVM_REF(IWL_MVM_REF_ROC); - PRINT_MVM_REF(IWL_MVM_REF_ROC_AUX); - PRINT_MVM_REF(IWL_MVM_REF_P2P_CLIENT); - PRINT_MVM_REF(IWL_MVM_REF_AP_IBSS); - PRINT_MVM_REF(IWL_MVM_REF_USER); - PRINT_MVM_REF(IWL_MVM_REF_TX); - PRINT_MVM_REF(IWL_MVM_REF_TX_AGG); - PRINT_MVM_REF(IWL_MVM_REF_ADD_IF); - PRINT_MVM_REF(IWL_MVM_REF_START_AP); - PRINT_MVM_REF(IWL_MVM_REF_BSS_CHANGED); - PRINT_MVM_REF(IWL_MVM_REF_PREPARE_TX); - PRINT_MVM_REF(IWL_MVM_REF_PROTECT_TDLS); - PRINT_MVM_REF(IWL_MVM_REF_CHECK_CTKILL); - PRINT_MVM_REF(IWL_MVM_REF_PRPH_READ); - PRINT_MVM_REF(IWL_MVM_REF_PRPH_WRITE); - PRINT_MVM_REF(IWL_MVM_REF_NMI); - PRINT_MVM_REF(IWL_MVM_REF_TM_CMD); - PRINT_MVM_REF(IWL_MVM_REF_EXIT_WORK); - PRINT_MVM_REF(IWL_MVM_REF_PROTECT_CSA); - PRINT_MVM_REF(IWL_MVM_REF_FW_DBG_COLLECT); - PRINT_MVM_REF(IWL_MVM_REF_INIT_UCODE); - PRINT_MVM_REF(IWL_MVM_REF_SENDING_CMD); - PRINT_MVM_REF(IWL_MVM_REF_RX); - - return simple_read_from_buffer(user_buf, count, ppos, buf, pos); -} - -static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf, - size_t count, loff_t *ppos) -{ - unsigned long value; - int ret; - bool taken; - - ret = kstrtoul(buf, 10, &value); - if (ret < 0) - return ret; - - mutex_lock(&mvm->mutex); - - taken = mvm->refs[IWL_MVM_REF_USER]; - if (value == 1 && !taken) - iwl_mvm_ref(mvm, IWL_MVM_REF_USER); - else if (value == 0 && taken) - iwl_mvm_unref(mvm, IWL_MVM_REF_USER); - else - ret = -EINVAL; - - mutex_unlock(&mvm->mutex); - - if (ret < 0) - return ret; - return count; -} - #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \ _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \ @@ -1692,21 +1600,14 @@ iwl_dbgfs_prph_reg_read(struct file *file, int pos = 0; char buf[32]; const size_t bufsz = sizeof(buf); - int ret; if (!mvm->dbgfs_prph_reg_addr) return -EINVAL; - ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_READ); - if (ret) - return ret; - pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n", mvm->dbgfs_prph_reg_addr, iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr)); - iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_READ); - return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } @@ -1716,7 +1617,6 @@ iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf, { u8 args; u32 value; - int ret; args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value); /* if we only want to set the reg address - nothing more to do */ @@ -1727,13 +1627,8 @@ iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf, if (args != 2) return -EINVAL; - ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE); - if (ret) - return ret; - iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value); - iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE); out: return count; } @@ -1867,6 +1762,38 @@ iwl_dbgfs_uapsd_noagg_bssids_read(struct file *file, char __user *user_buf, return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } +static ssize_t +iwl_dbgfs_ltr_config_write(struct iwl_mvm *mvm, + char *buf, size_t count, loff_t *ppos) +{ + int ret; + struct iwl_ltr_config_cmd ltr_config = {0}; + + if (!iwl_mvm_firmware_running(mvm)) + return -EIO; + + if (sscanf(buf, "%x,%x,%x,%x,%x,%x,%x", + <r_config.flags, + <r_config.static_long, + <r_config.static_short, + <r_config.ltr_cfg_values[0], + <r_config.ltr_cfg_values[1], + <r_config.ltr_cfg_values[2], + <r_config.ltr_cfg_values[3]) != 7) { + return -EINVAL; + } + + mutex_lock(&mvm->mutex); + ret = iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, sizeof(ltr_config), + <r_config); + mutex_unlock(&mvm->mutex); + + if (ret) + IWL_ERR(mvm, "failed to send ltr configuration cmd\n"); + + return ret ?: count; +} + MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64); /* Device wide debugfs entries */ @@ -1892,7 +1819,6 @@ MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10); MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10); MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10); MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8); -MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8); MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8); MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64); MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl, @@ -1916,6 +1842,8 @@ MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(amsdu_len, 16); MVM_DEBUGFS_READ_WRITE_FILE_OPS(he_sniffer_params, 32); +MVM_DEBUGFS_WRITE_FILE_OPS(ltr_config, 512); + static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -2091,7 +2019,6 @@ void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, 0200); MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, 0600); MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, 0600); - MVM_DEBUGFS_ADD_FILE(d0i3_refs, mvm->debugfs_dir, 0600); MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, 0600); MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, 0200); MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, 0200); @@ -2104,6 +2031,9 @@ void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) #endif MVM_DEBUGFS_ADD_FILE(he_sniffer_params, mvm->debugfs_dir, 0600); + if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2)) + MVM_DEBUGFS_ADD_FILE(ltr_config, mvm->debugfs_dir, 0200); + debugfs_create_bool("enable_scan_iteration_notif", 0600, mvm->debugfs_dir, &mvm->scan_iter_notif_enabled); debugfs_create_bool("drop_bcn_ap_mode", 0600, mvm->debugfs_dir, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c index 9f4b117db9d7..6e1ea921c299 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c @@ -8,6 +8,7 @@ * Copyright(c) 2015 - 2017 Intel Deutschland GmbH * Copyright (C) 2018 Intel Corporation * Copyright (C) 2019 Intel Corporation + * Copyright (C) 2020 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,6 +31,7 @@ * Copyright(c) 2015 - 2017 Intel Deutschland GmbH * Copyright (C) 2018 Intel Corporation * Copyright (C) 2019 Intel Corporation + * Copyright (C) 2020 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -208,10 +210,11 @@ static void iwl_mvm_ftm_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, cmd->tsf_mac_id = cpu_to_le32(0xff); } -static int iwl_mvm_ftm_target_chandef(struct iwl_mvm *mvm, - struct cfg80211_pmsr_request_peer *peer, - u8 *channel, u8 *bandwidth, - u8 *ctrl_ch_position) +static int +iwl_mvm_ftm_target_chandef_v1(struct iwl_mvm *mvm, + struct cfg80211_pmsr_request_peer *peer, + u8 *channel, u8 *bandwidth, + u8 *ctrl_ch_position) { u32 freq = peer->chandef.chan->center_freq; @@ -243,15 +246,54 @@ static int iwl_mvm_ftm_target_chandef(struct iwl_mvm *mvm, } static int +iwl_mvm_ftm_target_chandef_v2(struct iwl_mvm *mvm, + struct cfg80211_pmsr_request_peer *peer, + u8 *channel, u8 *format_bw, + u8 *ctrl_ch_position) +{ + u32 freq = peer->chandef.chan->center_freq; + + *channel = ieee80211_frequency_to_channel(freq); + + switch (peer->chandef.width) { + case NL80211_CHAN_WIDTH_20_NOHT: + *format_bw = IWL_LOCATION_FRAME_FORMAT_LEGACY; + *format_bw |= IWL_LOCATION_BW_20MHZ << LOCATION_BW_POS; + break; + case NL80211_CHAN_WIDTH_20: + *format_bw = IWL_LOCATION_FRAME_FORMAT_HT; + *format_bw |= IWL_LOCATION_BW_20MHZ << LOCATION_BW_POS; + break; + case NL80211_CHAN_WIDTH_40: + *format_bw = IWL_LOCATION_FRAME_FORMAT_HT; + *format_bw |= IWL_LOCATION_BW_40MHZ << LOCATION_BW_POS; + break; + case NL80211_CHAN_WIDTH_80: + *format_bw = IWL_LOCATION_FRAME_FORMAT_VHT; + *format_bw |= IWL_LOCATION_BW_80MHZ << LOCATION_BW_POS; + break; + default: + IWL_ERR(mvm, "Unsupported BW in FTM request (%d)\n", + peer->chandef.width); + return -EINVAL; + } + + *ctrl_ch_position = (peer->chandef.width > NL80211_CHAN_WIDTH_20) ? + iwl_mvm_get_ctrl_pos(&peer->chandef) : 0; + + return 0; +} + +static int iwl_mvm_ftm_put_target_v2(struct iwl_mvm *mvm, struct cfg80211_pmsr_request_peer *peer, struct iwl_tof_range_req_ap_entry_v2 *target) { int ret; - ret = iwl_mvm_ftm_target_chandef(mvm, peer, &target->channel_num, - &target->bandwidth, - &target->ctrl_ch_position); + ret = iwl_mvm_ftm_target_chandef_v1(mvm, peer, &target->channel_num, + &target->bandwidth, + &target->ctrl_ch_position); if (ret) return ret; @@ -278,18 +320,11 @@ iwl_mvm_ftm_put_target_v2(struct iwl_mvm *mvm, #define FTM_PUT_FLAG(flag) (target->initiator_ap_flags |= \ cpu_to_le32(IWL_INITIATOR_AP_FLAGS_##flag)) -static int iwl_mvm_ftm_put_target(struct iwl_mvm *mvm, - struct cfg80211_pmsr_request_peer *peer, - struct iwl_tof_range_req_ap_entry *target) +static void +iwl_mvm_ftm_put_target_common(struct iwl_mvm *mvm, + struct cfg80211_pmsr_request_peer *peer, + struct iwl_tof_range_req_ap_entry *target) { - int ret; - - ret = iwl_mvm_ftm_target_chandef(mvm, peer, &target->channel_num, - &target->bandwidth, - &target->ctrl_ch_position); - if (ret) - return ret; - memcpy(target->bssid, peer->addr, ETH_ALEN); target->burst_period = cpu_to_le16(peer->ftm.burst_period); @@ -314,60 +349,166 @@ static int iwl_mvm_ftm_put_target(struct iwl_mvm *mvm, FTM_PUT_FLAG(ALGO_LR); else if (IWL_MVM_FTM_INITIATOR_ALGO == IWL_TOF_ALGO_TYPE_FFT) FTM_PUT_FLAG(ALGO_FFT); +} + +static int +iwl_mvm_ftm_put_target_v3(struct iwl_mvm *mvm, + struct cfg80211_pmsr_request_peer *peer, + struct iwl_tof_range_req_ap_entry_v3 *target) +{ + int ret; + + ret = iwl_mvm_ftm_target_chandef_v1(mvm, peer, &target->channel_num, + &target->bandwidth, + &target->ctrl_ch_position); + if (ret) + return ret; + + /* + * Versions 3 and 4 has some common fields, so + * iwl_mvm_ftm_put_target_common() can be used for version 7 too. + */ + iwl_mvm_ftm_put_target_common(mvm, peer, (void *)target); return 0; } -int iwl_mvm_ftm_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, - struct cfg80211_pmsr_request *req) +static int iwl_mvm_ftm_put_target_v4(struct iwl_mvm *mvm, + struct cfg80211_pmsr_request_peer *peer, + struct iwl_tof_range_req_ap_entry *target) +{ + int ret; + + ret = iwl_mvm_ftm_target_chandef_v2(mvm, peer, &target->channel_num, + &target->format_bw, + &target->ctrl_ch_position); + if (ret) + return ret; + + iwl_mvm_ftm_put_target_common(mvm, peer, target); + + return 0; +} + +static int iwl_mvm_ftm_send_cmd(struct iwl_mvm *mvm, struct iwl_host_cmd *hcmd) +{ + u32 status; + int err = iwl_mvm_send_cmd_status(mvm, hcmd, &status); + + if (!err && status) { + IWL_ERR(mvm, "FTM range request command failure, status: %u\n", + status); + err = iwl_ftm_range_request_status_to_err(status); + } + + return err; +} + +static int iwl_mvm_ftm_start_v5(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct cfg80211_pmsr_request *req) { struct iwl_tof_range_req_cmd_v5 cmd_v5; - struct iwl_tof_range_req_cmd cmd; - bool new_api = fw_has_api(&mvm->fw->ucode_capa, - IWL_UCODE_TLV_API_FTM_NEW_RANGE_REQ); - u8 num_of_ap; struct iwl_host_cmd hcmd = { .id = iwl_cmd_id(TOF_RANGE_REQ_CMD, LOCATION_GROUP, 0), .dataflags[0] = IWL_HCMD_DFL_DUP, + .data[0] = &cmd_v5, + .len[0] = sizeof(cmd_v5), }; - u32 status = 0; - int err, i; + u8 i; + int err; - lockdep_assert_held(&mvm->mutex); + iwl_mvm_ftm_cmd_v5(mvm, vif, &cmd_v5, req); - if (mvm->ftm_initiator.req) - return -EBUSY; + for (i = 0; i < cmd_v5.num_of_ap; i++) { + struct cfg80211_pmsr_request_peer *peer = &req->peers[i]; - if (new_api) { - iwl_mvm_ftm_cmd(mvm, vif, &cmd, req); - hcmd.data[0] = &cmd; - hcmd.len[0] = sizeof(cmd); - num_of_ap = cmd.num_of_ap; - } else { - iwl_mvm_ftm_cmd_v5(mvm, vif, &cmd_v5, req); - hcmd.data[0] = &cmd_v5; - hcmd.len[0] = sizeof(cmd_v5); - num_of_ap = cmd_v5.num_of_ap; + err = iwl_mvm_ftm_put_target_v2(mvm, peer, &cmd_v5.ap[i]); + if (err) + return err; } - for (i = 0; i < num_of_ap; i++) { + return iwl_mvm_ftm_send_cmd(mvm, &hcmd); +} + +static int iwl_mvm_ftm_start_v7(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct cfg80211_pmsr_request *req) +{ + struct iwl_tof_range_req_cmd_v7 cmd_v7; + struct iwl_host_cmd hcmd = { + .id = iwl_cmd_id(TOF_RANGE_REQ_CMD, LOCATION_GROUP, 0), + .dataflags[0] = IWL_HCMD_DFL_DUP, + .data[0] = &cmd_v7, + .len[0] = sizeof(cmd_v7), + }; + u8 i; + int err; + + /* + * Versions 7 and 8 has the same structure except from the responders + * list, so iwl_mvm_ftm_cmd() can be used for version 7 too. + */ + iwl_mvm_ftm_cmd(mvm, vif, (void *)&cmd_v7, req); + + for (i = 0; i < cmd_v7.num_of_ap; i++) { struct cfg80211_pmsr_request_peer *peer = &req->peers[i]; - if (new_api) - err = iwl_mvm_ftm_put_target(mvm, peer, &cmd.ap[i]); - else - err = iwl_mvm_ftm_put_target_v2(mvm, peer, - &cmd_v5.ap[i]); + err = iwl_mvm_ftm_put_target_v3(mvm, peer, &cmd_v7.ap[i]); + if (err) + return err; + } + return iwl_mvm_ftm_send_cmd(mvm, &hcmd); +} + +static int iwl_mvm_ftm_start_v8(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct cfg80211_pmsr_request *req) +{ + struct iwl_tof_range_req_cmd cmd; + struct iwl_host_cmd hcmd = { + .id = iwl_cmd_id(TOF_RANGE_REQ_CMD, LOCATION_GROUP, 0), + .dataflags[0] = IWL_HCMD_DFL_DUP, + .data[0] = &cmd, + .len[0] = sizeof(cmd), + }; + u8 i; + int err; + + iwl_mvm_ftm_cmd(mvm, vif, &cmd, req); + + for (i = 0; i < cmd.num_of_ap; i++) { + struct cfg80211_pmsr_request_peer *peer = &req->peers[i]; + + err = iwl_mvm_ftm_put_target_v4(mvm, peer, &cmd.ap[i]); if (err) return err; } - err = iwl_mvm_send_cmd_status(mvm, &hcmd, &status); - if (!err && status) { - IWL_ERR(mvm, "FTM range request command failure, status: %u\n", - status); - err = iwl_ftm_range_request_status_to_err(status); + return iwl_mvm_ftm_send_cmd(mvm, &hcmd); +} + +int iwl_mvm_ftm_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct cfg80211_pmsr_request *req) +{ + bool new_api = fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_FTM_NEW_RANGE_REQ); + int err; + + lockdep_assert_held(&mvm->mutex); + + if (mvm->ftm_initiator.req) + return -EBUSY; + + if (new_api) { + u8 cmd_ver = iwl_mvm_lookup_cmd_ver(mvm->fw, LOCATION_GROUP, + TOF_RANGE_REQ_CMD); + + if (cmd_ver == 8) + err = iwl_mvm_ftm_start_v8(mvm, vif, req); + else + err = iwl_mvm_ftm_start_v7(mvm, vif, req); + + } else { + err = iwl_mvm_ftm_start_v5(mvm, vif, req); } if (!err) { @@ -389,6 +530,8 @@ void iwl_mvm_ftm_abort(struct iwl_mvm *mvm, struct cfg80211_pmsr_request *req) if (req != mvm->ftm_initiator.req) return; + iwl_mvm_ftm_reset(mvm); + if (iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(TOF_RANGE_ABORT_CMD, LOCATION_GROUP, 0), 0, sizeof(cmd), &cmd)) @@ -502,7 +645,6 @@ void iwl_mvm_ftm_range_resp(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) lockdep_assert_held(&mvm->mutex); if (!mvm->ftm_initiator.req) { - IWL_ERR(mvm, "Got FTM response but have no request?\n"); return; } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ftm-responder.c b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-responder.c index 1513b8b4062f..834564198409 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ftm-responder.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-responder.c @@ -6,7 +6,7 @@ * GPL LICENSE SUMMARY * * Copyright(c) 2015 - 2017 Intel Deutschland GmbH - * Copyright (C) 2018 Intel Corporation + * Copyright (C) 2018 - 2019 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -27,7 +27,7 @@ * BSD LICENSE * * Copyright(c) 2015 - 2017 Intel Deutschland GmbH - * Copyright (C) 2018 Intel Corporation + * Copyright (C) 2018 - 2019 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -62,12 +62,72 @@ #include "mvm.h" #include "constants.h" +static int iwl_mvm_ftm_responder_set_bw_v1(struct cfg80211_chan_def *chandef, + u8 *bw, u8 *ctrl_ch_position) +{ + switch (chandef->width) { + case NL80211_CHAN_WIDTH_20_NOHT: + *bw = IWL_TOF_BW_20_LEGACY; + break; + case NL80211_CHAN_WIDTH_20: + *bw = IWL_TOF_BW_20_HT; + break; + case NL80211_CHAN_WIDTH_40: + *bw = IWL_TOF_BW_40; + *ctrl_ch_position = iwl_mvm_get_ctrl_pos(chandef); + break; + case NL80211_CHAN_WIDTH_80: + *bw = IWL_TOF_BW_80; + *ctrl_ch_position = iwl_mvm_get_ctrl_pos(chandef); + break; + default: + return -ENOTSUPP; + } + + return 0; +} + +static int iwl_mvm_ftm_responder_set_bw_v2(struct cfg80211_chan_def *chandef, + u8 *format_bw, + u8 *ctrl_ch_position) +{ + switch (chandef->width) { + case NL80211_CHAN_WIDTH_20_NOHT: + *format_bw = IWL_LOCATION_FRAME_FORMAT_LEGACY; + *format_bw |= IWL_LOCATION_BW_20MHZ << LOCATION_BW_POS; + break; + case NL80211_CHAN_WIDTH_20: + *format_bw = IWL_LOCATION_FRAME_FORMAT_HT; + *format_bw |= IWL_LOCATION_BW_20MHZ << LOCATION_BW_POS; + break; + case NL80211_CHAN_WIDTH_40: + *format_bw = IWL_LOCATION_FRAME_FORMAT_HT; + *format_bw |= IWL_LOCATION_BW_40MHZ << LOCATION_BW_POS; + *ctrl_ch_position = iwl_mvm_get_ctrl_pos(chandef); + break; + case NL80211_CHAN_WIDTH_80: + *format_bw = IWL_LOCATION_FRAME_FORMAT_VHT; + *format_bw |= IWL_LOCATION_BW_80MHZ << LOCATION_BW_POS; + *ctrl_ch_position = iwl_mvm_get_ctrl_pos(chandef); + break; + default: + return -ENOTSUPP; + } + + return 0; +} + static int iwl_mvm_ftm_responder_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct cfg80211_chan_def *chandef) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + /* + * The command structure is the same for versions 6 and 7, (only the + * field interpretation is different), so the same struct can be use + * for all cases. + */ struct iwl_tof_responder_config_cmd cmd = { .channel_num = chandef->chan->hw_value, .cmd_valid_fields = @@ -76,27 +136,22 @@ iwl_mvm_ftm_responder_cmd(struct iwl_mvm *mvm, IWL_TOF_RESPONDER_CMD_VALID_STA_ID), .sta_id = mvmvif->bcast_sta.sta_id, }; + u8 cmd_ver = iwl_mvm_lookup_cmd_ver(mvm->fw, LOCATION_GROUP, + TOF_RESPONDER_CONFIG_CMD); + int err; lockdep_assert_held(&mvm->mutex); - switch (chandef->width) { - case NL80211_CHAN_WIDTH_20_NOHT: - cmd.bandwidth = IWL_TOF_BW_20_LEGACY; - break; - case NL80211_CHAN_WIDTH_20: - cmd.bandwidth = IWL_TOF_BW_20_HT; - break; - case NL80211_CHAN_WIDTH_40: - cmd.bandwidth = IWL_TOF_BW_40; - cmd.ctrl_ch_position = iwl_mvm_get_ctrl_pos(chandef); - break; - case NL80211_CHAN_WIDTH_80: - cmd.bandwidth = IWL_TOF_BW_80; - cmd.ctrl_ch_position = iwl_mvm_get_ctrl_pos(chandef); - break; - default: - WARN_ON(1); - return -EINVAL; + if (cmd_ver == 7) + err = iwl_mvm_ftm_responder_set_bw_v2(chandef, &cmd.format_bw, + &cmd.ctrl_ch_position); + else + err = iwl_mvm_ftm_responder_set_bw_v1(chandef, &cmd.format_bw, + &cmd.ctrl_ch_position); + + if (err) { + IWL_ERR(mvm, "Failed to set responder bandwidth\n"); + return err; } memcpy(cmd.bssid, vif->addr, ETH_ALEN); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index 5de54d1559dd..54c094e88474 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -353,21 +353,35 @@ static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm, if (ret) { struct iwl_trans *trans = mvm->trans; - if (ret == -ETIMEDOUT) - iwl_fw_dbg_error_collect(&mvm->fwrt, - FW_DBG_TRIGGER_ALIVE_TIMEOUT); - - if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000) + if (trans->trans_cfg->device_family >= + IWL_DEVICE_FAMILY_22000) { IWL_ERR(mvm, "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n", iwl_read_umac_prph(trans, UMAG_SB_CPU_1_STATUS), iwl_read_umac_prph(trans, UMAG_SB_CPU_2_STATUS)); - else if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_8000) + IWL_ERR(mvm, "UMAC PC: 0x%x\n", + iwl_read_umac_prph(trans, + UREG_UMAC_CURRENT_PC)); + IWL_ERR(mvm, "LMAC PC: 0x%x\n", + iwl_read_umac_prph(trans, + UREG_LMAC1_CURRENT_PC)); + if (iwl_mvm_is_cdb_supported(mvm)) + IWL_ERR(mvm, "LMAC2 PC: 0x%x\n", + iwl_read_umac_prph(trans, + UREG_LMAC2_CURRENT_PC)); + } else if (trans->trans_cfg->device_family >= + IWL_DEVICE_FAMILY_8000) { IWL_ERR(mvm, "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n", iwl_read_prph(trans, SB_CPU_1_STATUS), iwl_read_prph(trans, SB_CPU_2_STATUS)); + } + + if (ret == -ETIMEDOUT) + iwl_fw_dbg_error_collect(&mvm->fwrt, + FW_DBG_TRIGGER_ALIVE_TIMEOUT); + iwl_fw_set_current_image(&mvm->fwrt, old_type); return ret; } @@ -419,6 +433,9 @@ static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) }; int ret; + if (mvm->trans->cfg->tx_with_siso_diversity) + init_cfg.init_flags |= cpu_to_le32(BIT(IWL_INIT_PHY)); + lockdep_assert_held(&mvm->mutex); mvm->rfkill_safe_init_done = false; @@ -430,7 +447,7 @@ static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) iwl_wait_init_complete, NULL); - iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_EARLY); + iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, NULL); /* Will also start the device */ ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR); @@ -438,7 +455,8 @@ static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret); goto error; } - iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_AFTER_ALIVE); + iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE, + NULL); /* Send init config command to mark that we are sending NVM access * commands @@ -509,6 +527,19 @@ static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm) struct iwl_phy_cfg_cmd phy_cfg_cmd; enum iwl_ucode_type ucode_type = mvm->fwrt.cur_fw_img; + if (iwl_mvm_has_unified_ucode(mvm) && + !mvm->trans->cfg->tx_with_siso_diversity) + return 0; + + if (mvm->trans->cfg->tx_with_siso_diversity) { + /* + * TODO: currently we don't set the antenna but letting the NIC + * to decide which antenna to use. This should come from BIOS. + */ + phy_cfg_cmd.phy_cfg = + cpu_to_le32(FW_PHY_CFG_CHAIN_SAD_ENABLED); + } + /* Set parameters */ phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm)); @@ -557,7 +588,7 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) goto remove_notif; } - if (mvm->cfg->device_family < IWL_DEVICE_FAMILY_8000) { + if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000) { ret = iwl_mvm_send_bt_init_conf(mvm); if (ret) goto remove_notif; @@ -660,153 +691,151 @@ static int iwl_mvm_config_ltr(struct iwl_mvm *mvm) } #ifdef CONFIG_ACPI -static inline int iwl_mvm_sar_set_profile(struct iwl_mvm *mvm, - union acpi_object *table, - struct iwl_mvm_sar_profile *profile, - bool enabled) +int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b) { - int i; + union { + struct iwl_dev_tx_power_cmd v5; + struct iwl_dev_tx_power_cmd_v4 v4; + } cmd; - profile->enabled = enabled; + u16 len = 0; - for (i = 0; i < ACPI_SAR_TABLE_SIZE; i++) { - if ((table[i].type != ACPI_TYPE_INTEGER) || - (table[i].integer.value > U8_MAX)) - return -EINVAL; + cmd.v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS); - profile->table[i] = table[i].integer.value; - } + if (fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_REDUCE_TX_POWER)) + len = sizeof(cmd.v5); + else if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) + len = sizeof(struct iwl_dev_tx_power_cmd_v4); + else + len = sizeof(cmd.v4.v3); - return 0; + + if (iwl_sar_select_profile(&mvm->fwrt, cmd.v5.v3.per_chain_restriction, + prof_a, prof_b)) + return -ENOENT; + IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n"); + return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); } -static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm) +int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm) { - union acpi_object *wifi_pkg, *table, *data; - bool enabled; - int ret, tbl_rev; - - data = iwl_acpi_get_object(mvm->dev, ACPI_WRDS_METHOD); - if (IS_ERR(data)) - return PTR_ERR(data); + union geo_tx_power_profiles_cmd geo_tx_cmd; + u16 len; + int ret; + struct iwl_host_cmd cmd; - wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data, - ACPI_WRDS_WIFI_DATA_SIZE, &tbl_rev); - if (IS_ERR(wifi_pkg) || tbl_rev != 0) { - ret = PTR_ERR(wifi_pkg); - goto out_free; + if (fw_has_api(&mvm->fwrt.fw->ucode_capa, + IWL_UCODE_TLV_API_SAR_TABLE_VER)) { + geo_tx_cmd.geo_cmd.ops = + cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE); + len = sizeof(geo_tx_cmd.geo_cmd); + } else { + geo_tx_cmd.geo_cmd_v1.ops = + cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE); + len = sizeof(geo_tx_cmd.geo_cmd_v1); } - if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) { - ret = -EINVAL; - goto out_free; + if (!iwl_sar_geo_support(&mvm->fwrt)) + return -EOPNOTSUPP; + + cmd = (struct iwl_host_cmd){ + .id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT), + .len = { len, }, + .flags = CMD_WANT_SKB, + .data = { &geo_tx_cmd }, + }; + + ret = iwl_mvm_send_cmd(mvm, &cmd); + if (ret) { + IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret); + return ret; } + ret = iwl_validate_sar_geo_profile(&mvm->fwrt, &cmd); + iwl_free_resp(&cmd); + return ret; +} + +static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm) +{ + u16 cmd_wide_id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT); + union geo_tx_power_profiles_cmd cmd; + u16 len; - enabled = !!(wifi_pkg->package.elements[1].integer.value); + cmd.geo_cmd.ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES); - /* position of the actual table */ - table = &wifi_pkg->package.elements[2]; + iwl_sar_geo_init(&mvm->fwrt, cmd.geo_cmd.table); - /* The profile from WRDS is officially profile 1, but goes - * into sar_profiles[0] (because we don't have a profile 0). - */ - ret = iwl_mvm_sar_set_profile(mvm, table, &mvm->sar_profiles[0], - enabled); -out_free: - kfree(data); - return ret; + cmd.geo_cmd.table_revision = cpu_to_le32(mvm->fwrt.geo_rev); + + if (!fw_has_api(&mvm->fwrt.fw->ucode_capa, + IWL_UCODE_TLV_API_SAR_TABLE_VER)) { + len = sizeof(struct iwl_geo_tx_power_profiles_cmd_v1); + } else { + len = sizeof(cmd.geo_cmd); + } + + return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0, len, &cmd); } -static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm) +static int iwl_mvm_get_ppag_table(struct iwl_mvm *mvm) { - union acpi_object *wifi_pkg, *data; - bool enabled; - int i, n_profiles, ret, tbl_rev; + union acpi_object *wifi_pkg, *data, *enabled; + int i, j, ret, tbl_rev; + int idx = 2; - data = iwl_acpi_get_object(mvm->dev, ACPI_EWRD_METHOD); + mvm->fwrt.ppag_table.enabled = cpu_to_le32(0); + data = iwl_acpi_get_object(mvm->dev, ACPI_PPAG_METHOD); if (IS_ERR(data)) return PTR_ERR(data); wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data, - ACPI_EWRD_WIFI_DATA_SIZE, &tbl_rev); - if (IS_ERR(wifi_pkg) || tbl_rev != 0) { + ACPI_PPAG_WIFI_DATA_SIZE, &tbl_rev); + + if (IS_ERR(wifi_pkg)) { ret = PTR_ERR(wifi_pkg); goto out_free; } - if ((wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) || - (wifi_pkg->package.elements[2].type != ACPI_TYPE_INTEGER)) { + if (tbl_rev != 0) { ret = -EINVAL; goto out_free; } - enabled = !!(wifi_pkg->package.elements[1].integer.value); - n_profiles = wifi_pkg->package.elements[2].integer.value; - - /* - * Check the validity of n_profiles. The EWRD profiles start - * from index 1, so the maximum value allowed here is - * ACPI_SAR_PROFILES_NUM - 1. - */ - if (n_profiles <= 0 || n_profiles >= ACPI_SAR_PROFILE_NUM) { + enabled = &wifi_pkg->package.elements[1]; + if (enabled->type != ACPI_TYPE_INTEGER || + (enabled->integer.value != 0 && enabled->integer.value != 1)) { ret = -EINVAL; goto out_free; } - for (i = 0; i < n_profiles; i++) { - /* the tables start at element 3 */ - int pos = 3; - - /* The EWRD profiles officially go from 2 to 4, but we - * save them in sar_profiles[1-3] (because we don't - * have profile 0). So in the array we start from 1. - */ - ret = iwl_mvm_sar_set_profile(mvm, - &wifi_pkg->package.elements[pos], - &mvm->sar_profiles[i + 1], - enabled); - if (ret < 0) - break; - - /* go to the next table */ - pos += ACPI_SAR_TABLE_SIZE; - } - -out_free: - kfree(data); - return ret; -} - -static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm) -{ - union acpi_object *wifi_pkg, *data; - int i, j, ret, tbl_rev; - int idx = 1; - - data = iwl_acpi_get_object(mvm->dev, ACPI_WGDS_METHOD); - if (IS_ERR(data)) - return PTR_ERR(data); - - wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data, - ACPI_WGDS_WIFI_DATA_SIZE, &tbl_rev); - if (IS_ERR(wifi_pkg) || tbl_rev > 1) { - ret = PTR_ERR(wifi_pkg); + mvm->fwrt.ppag_table.enabled = cpu_to_le32(enabled->integer.value); + if (!mvm->fwrt.ppag_table.enabled) { + ret = 0; goto out_free; } - mvm->geo_rev = tbl_rev; - for (i = 0; i < ACPI_NUM_GEO_PROFILES; i++) { - for (j = 0; j < ACPI_GEO_TABLE_SIZE; j++) { - union acpi_object *entry; - - entry = &wifi_pkg->package.elements[idx++]; - if ((entry->type != ACPI_TYPE_INTEGER) || - (entry->integer.value > U8_MAX)) { + /* + * read, verify gain values and save them into the PPAG table. + * first sub-band (j=0) corresponds to Low-Band (2.4GHz), and the + * following sub-bands to High-Band (5GHz). + */ + for (i = 0; i < ACPI_PPAG_NUM_CHAINS; i++) { + for (j = 0; j < ACPI_PPAG_NUM_SUB_BANDS; j++) { + union acpi_object *ent; + + ent = &wifi_pkg->package.elements[idx++]; + if (ent->type != ACPI_TYPE_INTEGER || + (j == 0 && ent->integer.value > ACPI_PPAG_MAX_LB) || + (j == 0 && ent->integer.value < ACPI_PPAG_MIN_LB) || + (j != 0 && ent->integer.value > ACPI_PPAG_MAX_HB) || + (j != 0 && ent->integer.value < ACPI_PPAG_MIN_HB)) { + mvm->fwrt.ppag_table.enabled = cpu_to_le32(0); ret = -EINVAL; goto out_free; } - - mvm->geo_profiles[i].values[j] = entry->integer.value; + mvm->fwrt.ppag_table.gain[i][j] = ent->integer.value; } } ret = 0; @@ -815,205 +844,66 @@ out_free: return ret; } -int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b) +int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm) { - union { - struct iwl_dev_tx_power_cmd v5; - struct iwl_dev_tx_power_cmd_v4 v4; - } cmd; - int i, j, idx; - int profs[ACPI_SAR_NUM_CHAIN_LIMITS] = { prof_a, prof_b }; - int len; - - BUILD_BUG_ON(ACPI_SAR_NUM_CHAIN_LIMITS < 2); - BUILD_BUG_ON(ACPI_SAR_NUM_CHAIN_LIMITS * ACPI_SAR_NUM_SUB_BANDS != - ACPI_SAR_TABLE_SIZE); - - cmd.v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS); - - if (fw_has_api(&mvm->fw->ucode_capa, - IWL_UCODE_TLV_API_REDUCE_TX_POWER)) - len = sizeof(cmd.v5); - else if (fw_has_capa(&mvm->fw->ucode_capa, - IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) - len = sizeof(cmd.v4); - else - len = sizeof(cmd.v4.v3); - - for (i = 0; i < ACPI_SAR_NUM_CHAIN_LIMITS; i++) { - struct iwl_mvm_sar_profile *prof; - - /* don't allow SAR to be disabled (profile 0 means disable) */ - if (profs[i] == 0) - return -EPERM; + int i, j, ret; - /* we are off by one, so allow up to ACPI_SAR_PROFILE_NUM */ - if (profs[i] > ACPI_SAR_PROFILE_NUM) - return -EINVAL; - - /* profiles go from 1 to 4, so decrement to access the array */ - prof = &mvm->sar_profiles[profs[i] - 1]; - - /* if the profile is disabled, do nothing */ - if (!prof->enabled) { - IWL_DEBUG_RADIO(mvm, "SAR profile %d is disabled.\n", - profs[i]); - /* if one of the profiles is disabled, we fail all */ - return -ENOENT; - } - - IWL_DEBUG_INFO(mvm, - "SAR EWRD: chain %d profile index %d\n", - i, profs[i]); - IWL_DEBUG_RADIO(mvm, " Chain[%d]:\n", i); - for (j = 0; j < ACPI_SAR_NUM_SUB_BANDS; j++) { - idx = (i * ACPI_SAR_NUM_SUB_BANDS) + j; - cmd.v5.v3.per_chain_restriction[i][j] = - cpu_to_le16(prof->table[idx]); - IWL_DEBUG_RADIO(mvm, " Band[%d] = %d * .125dBm\n", - j, prof->table[idx]); - } + if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_PPAG)) { + IWL_DEBUG_RADIO(mvm, + "PPAG capability not supported by FW, command not sent.\n"); + return 0; } - IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n"); - - return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); -} - -static bool iwl_mvm_sar_geo_support(struct iwl_mvm *mvm) -{ - /* - * The GEO_TX_POWER_LIMIT command is not supported on earlier - * firmware versions. Unfortunately, we don't have a TLV API - * flag to rely on, so rely on the major version which is in - * the first byte of ucode_ver. This was implemented - * initially on version 38 and then backported to 36, 29 and - * 17. - */ - return IWL_UCODE_SERIAL(mvm->fw->ucode_ver) >= 38 || - IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 36 || - IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 29 || - IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 17; -} - -int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm) -{ - struct iwl_geo_tx_power_profiles_resp *resp; - int ret; - u16 len; - void *data; - struct iwl_geo_tx_power_profiles_cmd geo_cmd; - struct iwl_geo_tx_power_profiles_cmd_v1 geo_cmd_v1; - struct iwl_host_cmd cmd; - - if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_SAR_TABLE_VER)) { - geo_cmd.ops = - cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE); - len = sizeof(geo_cmd); - data = &geo_cmd; - } else { - geo_cmd_v1.ops = - cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE); - len = sizeof(geo_cmd_v1); - data = &geo_cmd_v1; + if (!mvm->fwrt.ppag_table.enabled) { + IWL_DEBUG_RADIO(mvm, + "PPAG not enabled, command not sent.\n"); + return 0; } - cmd = (struct iwl_host_cmd){ - .id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT), - .len = { len, }, - .flags = CMD_WANT_SKB, - .data = { data }, - }; - - if (!iwl_mvm_sar_geo_support(mvm)) - return -EOPNOTSUPP; + IWL_DEBUG_RADIO(mvm, "Sending PER_PLATFORM_ANT_GAIN_CMD\n"); - ret = iwl_mvm_send_cmd(mvm, &cmd); - if (ret) { - IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret); - return ret; + for (i = 0; i < ACPI_PPAG_NUM_CHAINS; i++) { + for (j = 0; j < ACPI_PPAG_NUM_SUB_BANDS; j++) { + IWL_DEBUG_RADIO(mvm, + "PPAG table: chain[%d] band[%d]: gain = %d\n", + i, j, mvm->fwrt.ppag_table.gain[i][j]); + } } - resp = (void *)cmd.resp_pkt->data; - ret = le32_to_cpu(resp->profile_idx); - if (WARN_ON(ret > ACPI_NUM_GEO_PROFILES)) { - ret = -EIO; - IWL_WARN(mvm, "Invalid geographic profile idx (%d)\n", ret); - } + ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(PHY_OPS_GROUP, + PER_PLATFORM_ANT_GAIN_CMD), + 0, sizeof(mvm->fwrt.ppag_table), + &mvm->fwrt.ppag_table); + if (ret < 0) + IWL_ERR(mvm, "failed to send PER_PLATFORM_ANT_GAIN_CMD (%d)\n", + ret); - iwl_free_resp(&cmd); return ret; } -static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm) +static int iwl_mvm_ppag_init(struct iwl_mvm *mvm) { - struct iwl_geo_tx_power_profiles_cmd cmd = { - .ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES), - }; - int ret, i, j; - u16 cmd_wide_id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT); - - if (!iwl_mvm_sar_geo_support(mvm)) - return 0; + int ret; - ret = iwl_mvm_sar_get_wgds_table(mvm); + ret = iwl_mvm_get_ppag_table(mvm); if (ret < 0) { IWL_DEBUG_RADIO(mvm, - "Geo SAR BIOS table invalid or unavailable. (%d)\n", + "PPAG BIOS table invalid or unavailable. (%d)\n", ret); - /* we don't fail if the table is not available */ return 0; } - - IWL_DEBUG_RADIO(mvm, "Sending GEO_TX_POWER_LIMIT\n"); - - BUILD_BUG_ON(ACPI_NUM_GEO_PROFILES * ACPI_WGDS_NUM_BANDS * - ACPI_WGDS_TABLE_SIZE + 1 != ACPI_WGDS_WIFI_DATA_SIZE); - - BUILD_BUG_ON(ACPI_NUM_GEO_PROFILES > IWL_NUM_GEO_PROFILES); - - for (i = 0; i < ACPI_NUM_GEO_PROFILES; i++) { - struct iwl_per_chain_offset *chain = - (struct iwl_per_chain_offset *)&cmd.table[i]; - - for (j = 0; j < ACPI_WGDS_NUM_BANDS; j++) { - u8 *value; - - value = &mvm->geo_profiles[i].values[j * - ACPI_GEO_PER_CHAIN_SIZE]; - chain[j].max_tx_power = cpu_to_le16(value[0]); - chain[j].chain_a = value[1]; - chain[j].chain_b = value[2]; - IWL_DEBUG_RADIO(mvm, - "SAR geographic profile[%d] Band[%d]: chain A = %d chain B = %d max_tx_power = %d\n", - i, j, value[1], value[2], value[0]); - } - } - - cmd.table_revision = cpu_to_le32(mvm->geo_rev); - - if (!fw_has_api(&mvm->fw->ucode_capa, - IWL_UCODE_TLV_API_SAR_TABLE_VER)) { - return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0, - sizeof(struct iwl_geo_tx_power_profiles_cmd_v1), - &cmd); - } - - return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0, sizeof(cmd), &cmd); + return iwl_mvm_ppag_send_cmd(mvm); } #else /* CONFIG_ACPI */ -static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm) -{ - return -ENOENT; -} -static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm) +inline int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, + int prof_a, int prof_b) { return -ENOENT; } -static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm) +inline int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm) { return -ENOENT; } @@ -1023,15 +913,14 @@ static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm) return 0; } -int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, - int prof_b) +int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm) { return -ENOENT; } -int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm) +static int iwl_mvm_ppag_init(struct iwl_mvm *mvm) { - return -ENOENT; + return 0; } #endif /* CONFIG_ACPI */ @@ -1090,7 +979,7 @@ static int iwl_mvm_sar_init(struct iwl_mvm *mvm) { int ret; - ret = iwl_mvm_sar_get_wrds_table(mvm); + ret = iwl_sar_get_wrds_table(&mvm->fwrt); if (ret < 0) { IWL_DEBUG_RADIO(mvm, "WRDS SAR BIOS table invalid or unavailable. (%d)\n", @@ -1102,16 +991,14 @@ static int iwl_mvm_sar_init(struct iwl_mvm *mvm) return 1; } - ret = iwl_mvm_sar_get_ewrd_table(mvm); + ret = iwl_sar_get_ewrd_table(&mvm->fwrt); /* if EWRD is not available, we can still use WRDS, so don't fail */ if (ret < 0) IWL_DEBUG_RADIO(mvm, "EWRD SAR BIOS table invalid or unavailable. (%d)\n", ret); - /* choose profile 1 (WRDS) as default for both chains */ ret = iwl_mvm_sar_select_profile(mvm, 1, 1); - /* * If we don't have profile 0 from BIOS, just skip it. This * means that SAR Geo will not be enabled either, even if we @@ -1140,17 +1027,13 @@ static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm) return ret; } - /* - * Stop and start the transport without entering low power - * mode. This will save the state of other components on the - * device that are triggered by the INIT firwmare (MFUART). - */ - _iwl_trans_stop_device(mvm->trans, false); - ret = _iwl_trans_start_hw(mvm->trans, false); + iwl_fw_dbg_stop_sync(&mvm->fwrt); + iwl_trans_stop_device(mvm->trans); + ret = iwl_trans_start_hw(mvm->trans); if (ret) return ret; - iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_EARLY); + iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, NULL); mvm->rfkill_safe_init_done = false; ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR); @@ -1159,7 +1042,8 @@ static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm) mvm->rfkill_safe_init_done = true; - iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_AFTER_ALIVE); + iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE, + NULL); return iwl_init_paging(&mvm->fwrt, mvm->fwrt.cur_fw_img); } @@ -1169,6 +1053,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm) int ret, i; struct ieee80211_channel *chan; struct cfg80211_chan_def chandef; + struct ieee80211_supported_band *sband = NULL; lockdep_assert_held(&mvm->mutex); @@ -1191,7 +1076,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm) if (ret) IWL_ERR(mvm, "Failed to initialize Smart Fifo\n"); - if (!mvm->trans->dbg.ini_valid) { + if (!iwl_trans_dbg_ini_valid(mvm->trans)) { mvm->fwrt.dump.conf = FW_DBG_INVALID; /* if we have a destination, assume EARLY START */ if (mvm->fw->dbg.dest_tlv) @@ -1208,18 +1093,18 @@ int iwl_mvm_up(struct iwl_mvm *mvm) ret = iwl_send_phy_db_data(mvm->phy_db); if (ret) goto error; - - ret = iwl_send_phy_cfg_cmd(mvm); - if (ret) - goto error; } + ret = iwl_send_phy_cfg_cmd(mvm); + if (ret) + goto error; + ret = iwl_mvm_send_bt_init_conf(mvm); if (ret) goto error; /* Init RSS configuration */ - if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000) { + if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000) { ret = iwl_configure_rxq(mvm); if (ret) { IWL_ERR(mvm, "Failed to configure RX queues: %d\n", @@ -1246,9 +1131,11 @@ int iwl_mvm_up(struct iwl_mvm *mvm) /* reset quota debouncing buffer - 0xff will yield invalid data */ memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd)); - ret = iwl_mvm_send_dqa_cmd(mvm); - if (ret) - goto error; + if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_DQA_SUPPORT)) { + ret = iwl_mvm_send_dqa_cmd(mvm); + if (ret) + goto error; + } /* Add auxiliary station for scanning */ ret = iwl_mvm_add_aux_sta(mvm); @@ -1256,7 +1143,15 @@ int iwl_mvm_up(struct iwl_mvm *mvm) goto error; /* Add all the PHY contexts */ - chan = &mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]->channels[0]; + i = 0; + while (!sband && i < NUM_NL80211_BANDS) + sband = mvm->hw->wiphy->bands[i++]; + + if (WARN_ON_ONCE(!sband)) + goto error; + + chan = &sband->channels[0]; + cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT); for (i = 0; i < NUM_PHY_CTX; i++) { /* @@ -1270,7 +1165,6 @@ int iwl_mvm_up(struct iwl_mvm *mvm) goto error; } -#ifdef CONFIG_THERMAL if (iwl_mvm_is_tt_in_fw(mvm)) { /* in order to give the responsibility of ct-kill and * TX backoff to FW we need to send empty temperature reporting @@ -1282,6 +1176,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm) iwl_mvm_tt_tx_backoff(mvm, 0); } +#ifdef CONFIG_THERMAL /* TODO: read the budget from BIOS / Platform NVM */ /* @@ -1294,12 +1189,10 @@ int iwl_mvm_up(struct iwl_mvm *mvm) if (ret) goto error; } -#else - /* Initialize tx backoffs to the minimal possible */ - iwl_mvm_tt_tx_backoff(mvm, 0); #endif - WARN_ON(iwl_mvm_config_ltr(mvm)); + if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2)) + WARN_ON(iwl_mvm_config_ltr(mvm)); ret = iwl_mvm_power_update_device(mvm); if (ret) @@ -1323,20 +1216,20 @@ int iwl_mvm_up(struct iwl_mvm *mvm) goto error; } - /* allow FW/transport low power modes if not during restart */ - if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) - iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN); - if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_UPDATE_DB); if (iwl_acpi_get_eckv(mvm->dev, &mvm->ext_clock_valid)) IWL_DEBUG_INFO(mvm, "ECKV table doesn't exist in BIOS\n"); + ret = iwl_mvm_ppag_init(mvm); + if (ret) + goto error; + ret = iwl_mvm_sar_init(mvm); if (ret == 0) { ret = iwl_mvm_sar_geo_init(mvm); - } else if (ret > 0 && !iwl_mvm_sar_get_wgds_table(mvm)) { + } else if (ret > 0 && !iwl_sar_get_wgds_table(&mvm->fwrt)) { /* * If basic SAR is not available, we check for WGDS, * which should *not* be available either. If it is diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/led.c b/drivers/net/wireless/intel/iwlwifi/mvm/led.c index 4348bb00e761..72c4b2b8399d 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/led.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/led.c @@ -7,7 +7,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2017 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation + * Copyright(c) 2018 - 2019 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -29,7 +29,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2017 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation + * Copyright(c) 2018 - 2019 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -129,6 +129,9 @@ int iwl_mvm_leds_init(struct iwl_mvm *mvm) mvm->led.name = kasprintf(GFP_KERNEL, "%s-led", wiphy_name(mvm->hw->wiphy)); + if (!mvm->led.name) + return -ENOMEM; + mvm->led.brightness_set = iwl_led_brightness_set; mvm->led.max_brightness = 1; @@ -156,7 +159,7 @@ void iwl_mvm_leds_sync(struct iwl_mvm *mvm) * if we control through the register, we're doing it * even when the firmware isn't up, so no need to sync */ - if (mvm->cfg->device_family < IWL_DEVICE_FAMILY_8000) + if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000) return; iwl_mvm_led_set(mvm, mvm->led.brightness > 0); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c index cb22d447fcb8..b78992e341d5 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c @@ -554,7 +554,7 @@ static void iwl_mvm_mac_ctxt_cmd_common(struct iwl_mvm *mvm, cpu_to_le32(vif->bss_conf.use_short_slot ? MAC_FLG_SHORT_SLOT : 0); - cmd->filter_flags = cpu_to_le32(MAC_FILTER_ACCEPT_GRP); + cmd->filter_flags = 0; for (i = 0; i < IEEE80211_NUM_ACS; i++) { u8 txf = iwl_mvm_mac_ac_to_tx_fifo(mvm, i); @@ -623,6 +623,8 @@ static int iwl_mvm_mac_ctxt_cmd_sta(struct iwl_mvm *mvm, /* We need the dtim_period to set the MAC as associated */ if (vif->bss_conf.assoc && vif->bss_conf.dtim_period && !force_assoc_off) { + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + u8 ap_sta_id = mvmvif->ap_sta_id; u32 dtim_offs; /* @@ -658,6 +660,29 @@ static int iwl_mvm_mac_ctxt_cmd_sta(struct iwl_mvm *mvm, dtim_offs); ctxt_sta->is_assoc = cpu_to_le32(1); + + /* + * allow multicast data frames only as long as the station is + * authorized, i.e., GTK keys are already installed (if needed) + */ + if (ap_sta_id < IWL_MVM_STATION_COUNT) { + struct ieee80211_sta *sta; + + rcu_read_lock(); + + sta = rcu_dereference(mvm->fw_id_to_mac_id[ap_sta_id]); + if (!IS_ERR_OR_NULL(sta)) { + struct iwl_mvm_sta *mvmsta = + iwl_mvm_sta_from_mac80211(sta); + + if (mvmsta->sta_state == + IEEE80211_STA_AUTHORIZED) + cmd.filter_flags |= + cpu_to_le32(MAC_FILTER_ACCEPT_GRP); + } + + rcu_read_unlock(); + } } else { ctxt_sta->is_assoc = cpu_to_le32(0); @@ -703,7 +728,8 @@ static int iwl_mvm_mac_ctxt_cmd_listener(struct iwl_mvm *mvm, MAC_FILTER_IN_CONTROL_AND_MGMT | MAC_FILTER_IN_BEACON | MAC_FILTER_IN_PROBE_REQUEST | - MAC_FILTER_IN_CRC32); + MAC_FILTER_IN_CRC32 | + MAC_FILTER_ACCEPT_GRP); ieee80211_hw_set(mvm->hw, RX_INCLUDES_FCS); /* Allocate sniffer station */ @@ -727,7 +753,8 @@ static int iwl_mvm_mac_ctxt_cmd_ibss(struct iwl_mvm *mvm, iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, NULL, action); cmd.filter_flags = cpu_to_le32(MAC_FILTER_IN_BEACON | - MAC_FILTER_IN_PROBE_REQUEST); + MAC_FILTER_IN_PROBE_REQUEST | + MAC_FILTER_ACCEPT_GRP); /* cmd.ibss.beacon_time/cmd.ibss.beacon_tsf are curently ignored */ cmd.ibss.bi = cpu_to_le32(vif->bss_conf.beacon_int); @@ -828,11 +855,10 @@ u8 iwl_mvm_mac_ctxt_get_lowest_rate(struct ieee80211_tx_info *info, struct ieee80211_vif *vif) { u8 rate; - - if (info->band == NL80211_BAND_5GHZ || vif->p2p) - rate = IWL_FIRST_OFDM_RATE; - else + if (info->band == NL80211_BAND_2GHZ && !vif->p2p) rate = IWL_FIRST_CCK_RATE; + else + rate = IWL_FIRST_OFDM_RATE; return rate; } @@ -1377,6 +1403,7 @@ void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, u32 rx_missed_bcon, rx_missed_bcon_since_rx; struct ieee80211_vif *vif; u32 id = le32_to_cpu(mb->mac_id); + union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt }; IWL_DEBUG_INFO(mvm, "missed bcn mac_id=%u, consecutive=%u (%u, %u, %u)\n", @@ -1404,6 +1431,9 @@ void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, else if (rx_missed_bcon_since_rx > IWL_MVM_MISSED_BEACONS_THRESHOLD) ieee80211_beacon_loss(vif); + iwl_dbg_tlv_time_point(&mvm->fwrt, + IWL_FW_INI_TIME_POINT_MISSED_BEACONS, &tp_data); + trigger = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), FW_DBG_TRIGGER_MISSED_BEACONS); if (!trigger) @@ -1420,8 +1450,6 @@ void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, rx_missed_bcon >= stop_trig_missed_bcon) iwl_fw_dbg_collect_trig(&mvm->fwrt, trigger, NULL); - iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_MISSED_BEACONS); - out: rcu_read_unlock(); } @@ -1567,7 +1595,9 @@ void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm, RCU_INIT_POINTER(mvm->csa_vif, NULL); return; case NL80211_IFTYPE_STATION: - iwl_mvm_csa_client_absent(mvm, vif); + if (!fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) + iwl_mvm_csa_client_absent(mvm, vif); cancel_delayed_work(&mvmvif->csa_work); ieee80211_chswitch_done(vif, true); break; @@ -1579,3 +1609,26 @@ void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm, out_unlock: rcu_read_unlock(); } + +void iwl_mvm_rx_missed_vap_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_missed_vap_notif *mb = (void *)pkt->data; + struct ieee80211_vif *vif; + u32 id = le32_to_cpu(mb->mac_id); + + IWL_DEBUG_INFO(mvm, + "missed_vap notify mac_id=%u, num_beacon_intervals_elapsed=%u, profile_periodicity=%u\n", + le32_to_cpu(mb->mac_id), + mb->num_beacon_intervals_elapsed, + mb->profile_periodicity); + + rcu_read_lock(); + + vif = iwl_mvm_rcu_dereference_vif_id(mvm, id, true); + if (vif) + iwl_mvm_connection_loss(mvm, vif, "missed vap beacon"); + + rcu_read_unlock(); +} diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 1c904b5226aa..02df603b6400 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -5,10 +5,9 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 - 2019 Intel Corporation + * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -28,10 +27,9 @@ * * BSD LICENSE * - * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 - 2019 Intel Corporation + * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -213,91 +211,6 @@ static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, struct ieee80211_sta *sta, struct ieee80211_key_conf *key); -void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) -{ - if (!iwl_mvm_is_d0i3_supported(mvm)) - return; - - IWL_DEBUG_RPM(mvm, "Take mvm reference - type %d\n", ref_type); - spin_lock_bh(&mvm->refs_lock); - mvm->refs[ref_type]++; - spin_unlock_bh(&mvm->refs_lock); - iwl_trans_ref(mvm->trans); -} - -void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) -{ - if (!iwl_mvm_is_d0i3_supported(mvm)) - return; - - IWL_DEBUG_RPM(mvm, "Leave mvm reference - type %d\n", ref_type); - spin_lock_bh(&mvm->refs_lock); - if (WARN_ON(!mvm->refs[ref_type])) { - spin_unlock_bh(&mvm->refs_lock); - return; - } - mvm->refs[ref_type]--; - spin_unlock_bh(&mvm->refs_lock); - iwl_trans_unref(mvm->trans); -} - -static void iwl_mvm_unref_all_except(struct iwl_mvm *mvm, - enum iwl_mvm_ref_type except_ref) -{ - int i, j; - - if (!iwl_mvm_is_d0i3_supported(mvm)) - return; - - spin_lock_bh(&mvm->refs_lock); - for (i = 0; i < IWL_MVM_REF_COUNT; i++) { - if (except_ref == i || !mvm->refs[i]) - continue; - - IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d (%d)\n", - i, mvm->refs[i]); - for (j = 0; j < mvm->refs[i]; j++) - iwl_trans_unref(mvm->trans); - mvm->refs[i] = 0; - } - spin_unlock_bh(&mvm->refs_lock); -} - -bool iwl_mvm_ref_taken(struct iwl_mvm *mvm) -{ - int i; - bool taken = false; - - if (!iwl_mvm_is_d0i3_supported(mvm)) - return true; - - spin_lock_bh(&mvm->refs_lock); - for (i = 0; i < IWL_MVM_REF_COUNT; i++) { - if (mvm->refs[i]) { - taken = true; - break; - } - } - spin_unlock_bh(&mvm->refs_lock); - - return taken; -} - -int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) -{ - iwl_mvm_ref(mvm, ref_type); - - if (!wait_event_timeout(mvm->d0i3_exit_waitq, - !test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status), - HZ)) { - WARN_ON_ONCE(1); - iwl_mvm_unref(mvm, ref_type); - return -EIO; - } - - return 0; -} - static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm) { int i; @@ -341,7 +254,8 @@ struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, __le32_to_cpu(resp->n_channels), resp->channels, __le16_to_cpu(resp->mcc), - __le16_to_cpu(resp->geo_info)); + __le16_to_cpu(resp->geo_info), + __le16_to_cpu(resp->cap)); /* Store the return source id */ src_id = resp->source_id; kfree(resp); @@ -424,14 +338,14 @@ int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm) return ret; } -const static u8 he_if_types_ext_capa_sta[] = { +static const u8 he_if_types_ext_capa_sta[] = { [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT, [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, }; -const static struct wiphy_iftype_ext_capab he_iftypes_ext_capa[] = { +static const struct wiphy_iftype_ext_capab he_iftypes_ext_capa[] = { { .iftype = NL80211_IFTYPE_STATION, .extended_capabilities = he_if_types_ext_capa_sta, @@ -440,6 +354,15 @@ const static struct wiphy_iftype_ext_capab he_iftypes_ext_capa[] = { }, }; +static int +iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + *tx_ant = iwl_mvm_get_valid_tx_ant(mvm); + *rx_ant = iwl_mvm_get_valid_rx_ant(mvm); + return 0; +} + int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) { struct ieee80211_hw *hw = mvm->hw; @@ -485,7 +408,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) * for older devices. We also don't see this issue on any newer * devices. */ - if (mvm->cfg->device_family >= IWL_DEVICE_FAMILY_9000) + if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_9000) ieee80211_hw_set(hw, TX_AMSDU); ieee80211_hw_set(hw, TX_FRAG_LIST); @@ -762,12 +685,6 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; #ifdef CONFIG_PM_SLEEP - if (iwl_mvm_is_d0i3_supported(mvm) && - device_can_wakeup(mvm->trans->dev)) { - mvm->wowlan.flags = WIPHY_WOWLAN_ANY; - hw->wiphy->wowlan = &mvm->wowlan; - } - if ((unified || mvm->fw->img[IWL_UCODE_WOWLAN].num_sec) && mvm->trans->ops->d3_suspend && mvm->trans->ops->d3_resume && @@ -825,6 +742,9 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); + hw->wiphy->available_antennas_tx = iwl_mvm_get_valid_tx_ant(mvm); + hw->wiphy->available_antennas_rx = iwl_mvm_get_valid_rx_ant(mvm); + ret = ieee80211_register_hw(mvm->hw); if (ret) { iwl_mvm_leds_exit(mvm); @@ -833,44 +753,18 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) return ret; } -static bool iwl_mvm_defer_tx(struct iwl_mvm *mvm, - struct ieee80211_sta *sta, - struct sk_buff *skb) +static void iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, + struct ieee80211_sta *sta) { - struct iwl_mvm_sta *mvmsta; - bool defer = false; - - /* - * double check the IN_D0I3 flag both before and after - * taking the spinlock, in order to prevent taking - * the spinlock when not needed. - */ - if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))) - return false; - - spin_lock(&mvm->d0i3_tx_lock); - /* - * testing the flag again ensures the skb dequeue - * loop (on d0i3 exit) hasn't run yet. - */ - if (!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status)) - goto out; - - mvmsta = iwl_mvm_sta_from_mac80211(sta); - if (mvmsta->sta_id == IWL_MVM_INVALID_STA || - mvmsta->sta_id != mvm->d0i3_ap_sta_id) - goto out; - - __skb_queue_tail(&mvm->d0i3_tx, skb); - - /* trigger wakeup */ - iwl_mvm_ref(mvm, IWL_MVM_REF_TX); - iwl_mvm_unref(mvm, IWL_MVM_REF_TX); + if (likely(sta)) { + if (likely(iwl_mvm_tx_skb_sta(mvm, skb, sta) == 0)) + return; + } else { + if (likely(iwl_mvm_tx_skb_non_sta(mvm, skb) == 0)) + return; + } - defer = true; -out: - spin_unlock(&mvm->d0i3_tx_lock); - return defer; + ieee80211_free_txskb(mvm->hw, skb); } static void iwl_mvm_mac_tx(struct ieee80211_hw *hw, @@ -916,16 +810,7 @@ static void iwl_mvm_mac_tx(struct ieee80211_hw *hw, } } - if (sta) { - if (iwl_mvm_defer_tx(mvm, sta, skb)) - return; - if (iwl_mvm_tx_skb(mvm, skb, sta)) - goto drop; - return; - } - - if (iwl_mvm_tx_skb_non_sta(mvm, skb)) - goto drop; + iwl_mvm_tx_skb(mvm, skb, sta); return; drop: ieee80211_free_txskb(hw, skb); @@ -975,10 +860,7 @@ void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq) break; } - if (!txq->sta) - iwl_mvm_tx_skb_non_sta(mvm, skb); - else - iwl_mvm_tx_skb(mvm, skb, txq->sta); + iwl_mvm_tx_skb(mvm, skb, txq->sta); } } while (atomic_dec_return(&mvmtxq->tx_request)); rcu_read_unlock(); @@ -1086,7 +968,6 @@ static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); int ret; - bool tx_agg_ref = false; struct ieee80211_sta *sta = params->sta; enum ieee80211_ampdu_mlme_action action = params->action; u16 tid = params->tid; @@ -1101,31 +982,6 @@ static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, if (!(mvm->nvm_data->sku_cap_11n_enable)) return -EACCES; - /* return from D0i3 before starting a new Tx aggregation */ - switch (action) { - case IEEE80211_AMPDU_TX_START: - case IEEE80211_AMPDU_TX_STOP_CONT: - case IEEE80211_AMPDU_TX_STOP_FLUSH: - case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: - case IEEE80211_AMPDU_TX_OPERATIONAL: - /* - * for tx start, wait synchronously until D0i3 exit to - * get the correct sequence number for the tid. - * additionally, some other ampdu actions use direct - * target access, which is not handled automatically - * by the trans layer (unlike commands), so wait for - * d0i3 exit in these cases as well. - */ - ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG); - if (ret) - return ret; - - tx_agg_ref = true; - break; - default: - break; - } - mutex_lock(&mvm->mutex); switch (action) { @@ -1186,13 +1042,6 @@ static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, } mutex_unlock(&mvm->mutex); - /* - * If the tid is marked as started, we won't use it for offloaded - * traffic on the next D0i3 entry. It's safe to unref. - */ - if (tx_agg_ref) - iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG); - return ret; } @@ -1216,11 +1065,6 @@ static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) { - /* cleanup all stale references (scan, roc), but keep the - * ucode_down ref until reconfig is complete - */ - iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN); - iwl_mvm_stop_device(mvm); mvm->cur_aid = 0; @@ -1242,7 +1086,6 @@ static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); mvm->p2p_device_vif = NULL; - mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA; iwl_mvm_reset_phy_ctxts(mvm); memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); @@ -1251,9 +1094,6 @@ static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) ieee80211_wake_queues(mvm->hw); - /* clear any stale d0i3 state */ - clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); - mvm->vif_count = 0; mvm->rx_ba_sessions = 0; mvm->fwrt.dump.conf = FW_DBG_INVALID; @@ -1278,18 +1118,13 @@ int __iwl_mvm_mac_start(struct iwl_mvm *mvm) clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); /* Clean up some internal and mac80211 state on restart */ iwl_mvm_restart_cleanup(mvm); - } else { - /* Hold the reference to prevent runtime suspend while - * the start procedure runs. It's a bit confusing - * that the UCODE_DOWN reference is taken, but it just - * means "UCODE is not UP yet". ( TODO: rename this - * reference). - */ - iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); } ret = iwl_mvm_up(mvm); - iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_POST_INIT); + iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_POST_INIT, + NULL); + iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_PERIODIC, + NULL); if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { /* Something went wrong - we need to finish some cleanup @@ -1297,9 +1132,6 @@ int __iwl_mvm_mac_start(struct iwl_mvm *mvm) * would do. */ clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); -#ifdef CONFIG_PM - iwl_mvm_d0i3_enable_tx(mvm, NULL); -#endif } return ret; @@ -1310,19 +1142,6 @@ static int iwl_mvm_mac_start(struct ieee80211_hw *hw) struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); int ret; - /* Some hw restart cleanups must not hold the mutex */ - if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { - /* - * Make sure we are out of d0i3. This is needed - * to make sure the reference accounting is correct - * (and there is no stale d0i3_exit_work). - */ - wait_event_timeout(mvm->d0i3_exit_waitq, - !test_bit(IWL_MVM_STATUS_IN_D0I3, - &mvm->status), - HZ); - } - mutex_lock(&mvm->mutex); ret = __iwl_mvm_mac_start(mvm); mutex_unlock(&mvm->mutex); @@ -1337,17 +1156,12 @@ static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) mutex_lock(&mvm->mutex); clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); -#ifdef CONFIG_PM - iwl_mvm_d0i3_enable_tx(mvm, NULL); -#endif + ret = iwl_mvm_update_quotas(mvm, true, NULL); if (ret) IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", ret); - /* allow transport/FW low power modes */ - iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN); - iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY); /* @@ -1359,17 +1173,6 @@ static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) mutex_unlock(&mvm->mutex); } -static void iwl_mvm_resume_complete(struct iwl_mvm *mvm) -{ - if (iwl_mvm_is_d0i3_supported(mvm) && - iwl_mvm_enter_d0i3_on_suspend(mvm)) - WARN_ONCE(!wait_event_timeout(mvm->d0i3_exit_waitq, - !test_bit(IWL_MVM_STATUS_IN_D0I3, - &mvm->status), - HZ), - "D0i3 exit on resume timed out\n"); -} - static void iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, enum ieee80211_reconfig_type reconfig_type) @@ -1381,7 +1184,6 @@ iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, iwl_mvm_restart_complete(mvm); break; case IEEE80211_RECONFIG_TYPE_SUSPEND: - iwl_mvm_resume_complete(mvm); break; } } @@ -1443,7 +1245,6 @@ static void iwl_mvm_mac_stop(struct ieee80211_hw *hw) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); - flush_work(&mvm->d0i3_exit_work); flush_work(&mvm->async_handlers_wk); flush_work(&mvm->add_stream_wk); @@ -1457,7 +1258,6 @@ static void iwl_mvm_mac_stop(struct ieee80211_hw *hw) */ clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); - iwl_fw_cancel_dumps(&mvm->fwrt); cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); cancel_delayed_work_sync(&mvm->scan_timeout_dwork); iwl_fw_free_dump_desc(&mvm->fwrt); @@ -1543,15 +1343,20 @@ static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, goto out_unlock; } - iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); + if (!fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) + iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); - ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); - if (ret) - goto out_unlock; + if (!fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { + ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); + if (ret) + goto out_unlock; - iwl_mvm_stop_session_protection(mvm, vif); + iwl_mvm_stop_session_protection(mvm, vif); + } } mvmvif->ps_disabled = false; @@ -1612,15 +1417,6 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL); /* - * make sure D0i3 exit is completed, otherwise a target access - * during tx queue configuration could be done when still in - * D0i3 state. - */ - ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF); - if (ret) - return ret; - - /* * Not much to do here. The stack will not allow interface * types or combinations that we didn't advertise, so we * don't really have to check the types. @@ -1755,8 +1551,6 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, out_unlock: mutex_unlock(&mvm->mutex); - iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF); - return ret; } @@ -2241,7 +2035,7 @@ static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, rcu_read_lock(); sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); - if (IS_ERR(sta)) { + if (IS_ERR_OR_NULL(sta)) { rcu_read_unlock(); WARN(1, "Can't find STA to configure HE\n"); return; @@ -2254,6 +2048,10 @@ static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, flags = 0; + /* Block 26-tone RU OFDMA transmissions */ + if (mvmvif->he_ru_2mhz_block) + flags |= STA_CTXT_HE_RU_2MHZ_BLOCK; + /* HTC flags */ if (sta->he_cap.he_cap_elem.mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) @@ -2497,7 +2295,9 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, } if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, - &mvm->status)) { + &mvm->status) && + !fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) { /* * If we're restarting then the firmware will * obviously have lost synchronisation with @@ -2511,6 +2311,10 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, * * Set a large maximum delay to allow for more * than a single interface. + * + * For new firmware versions, rely on the + * firmware. This is relevant for DCM scenarios + * only anyway. */ u32 dur = (11 * vif->bss_conf.beacon_int) / 10; iwl_mvm_protect_session(mvm, vif, dur, dur, @@ -2520,7 +2324,6 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, iwl_mvm_sf_update(mvm, vif, false); iwl_mvm_power_vif_assoc(mvm, vif); if (vif->p2p) { - iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT); iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_PROT, IEEE80211_SMPS_DYNAMIC); @@ -2556,9 +2359,6 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, IWL_ERR(mvm, "failed to remove AP station\n"); - if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id) - mvm->d0i3_ap_sta_id = - IWL_MVM_INVALID_STA; mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; } @@ -2567,9 +2367,6 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, if (ret) IWL_ERR(mvm, "failed to update quotas\n"); - if (vif->p2p) - iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT); - /* this will take the cleared BSSID from bss_conf */ ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); if (ret) @@ -2608,8 +2405,11 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, /* * We received a beacon from the associated AP so * remove the session protection. + * A firmware with the new API will remove it automatically. */ - iwl_mvm_stop_session_protection(mvm, vif); + if (!fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) + iwl_mvm_stop_session_protection(mvm, vif); iwl_mvm_sf_update(mvm, vif, false); WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); @@ -2657,14 +2457,6 @@ static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); int ret, i; - /* - * iwl_mvm_mac_ctxt_add() might read directly from the device - * (the system time), so make sure it is available. - */ - ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP); - if (ret) - return ret; - mutex_lock(&mvm->mutex); /* Send the beacon template */ @@ -2760,8 +2552,6 @@ static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, if (vif->p2p && mvm->p2p_device_vif) iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); - iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS); - iwl_mvm_bt_coex_vif_change(mvm); /* we don't support TDLS during DCM */ @@ -2783,7 +2573,6 @@ out_remove: iwl_mvm_mac_ctxt_remove(mvm, vif); out_unlock: mutex_unlock(&mvm->mutex); - iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP); return ret; } @@ -2821,8 +2610,6 @@ static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, iwl_mvm_bt_coex_vif_change(mvm); - iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS); - /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ if (vif->p2p && mvm->p2p_device_vif) iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); @@ -2896,14 +2683,6 @@ static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); - /* - * iwl_mvm_bss_info_changed_station() might call - * iwl_mvm_protect_session(), which reads directly from - * the device (the system time), so make sure it is available. - */ - if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED)) - return; - mutex_lock(&mvm->mutex); if (changes & BSS_CHANGED_IDLE && !bss_conf->idle) @@ -2927,7 +2706,6 @@ static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, } mutex_unlock(&mvm->mutex); - iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED); } static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, @@ -3205,6 +2983,51 @@ iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, peer_addr, action); } +struct iwl_mvm_he_obss_narrow_bw_ru_data { + bool tolerated; +}; + +static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy, + struct cfg80211_bss *bss, + void *_data) +{ + struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data; + const struct element *elem; + + elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, bss->ies->data, + bss->ies->len); + + if (!elem || elem->datalen < 10 || + !(elem->data[10] & + WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) { + data->tolerated = false; + } +} + +static void iwl_mvm_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm_he_obss_narrow_bw_ru_data iter_data = { + .tolerated = true, + }; + + if (!(vif->bss_conf.chandef.chan->flags & IEEE80211_CHAN_RADAR)) { + mvmvif->he_ru_2mhz_block = false; + return; + } + + cfg80211_bss_iter(hw->wiphy, &vif->bss_conf.chandef, + iwl_mvm_check_he_obss_narrow_bw_ru_iter, + &iter_data); + + /* + * If there is at least one AP on radar channel that cannot + * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU. + */ + mvmvif->he_ru_2mhz_block = !iter_data.tolerated; +} + static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, @@ -3306,6 +3129,11 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->sta_id); } else if (vif->type == NL80211_IFTYPE_STATION) { vif->bss_conf.he_support = sta->he_cap.has_he; + + mvmvif->he_ru_2mhz_block = false; + if (sta->he_cap.has_he) + iwl_mvm_check_he_obss_narrow_bw_ru(hw, vif); + iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); } @@ -3327,10 +3155,20 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, /* enable beacon filtering */ WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); + /* + * Now that the station is authorized, i.e., keys were already + * installed, need to indicate to the FW that + * multicast data frames can be forwarded to the driver + */ + iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); + iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, true); } else if (old_state == IEEE80211_STA_AUTHORIZED && new_state == IEEE80211_STA_ASSOC) { + /* Multicast data frames are no longer allowed */ + iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); + /* disable beacon filtering */ ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); WARN_ON(ret && @@ -3437,22 +3275,27 @@ static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; - /* - * iwl_mvm_protect_session() reads directly from the device - * (the system time), so make sure it is available. - */ - if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX)) - return; - if (req_duration > duration) duration = req_duration; mutex_lock(&mvm->mutex); - /* Try really hard to protect the session and hear a beacon */ - iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false); + /* Try really hard to protect the session and hear a beacon + * The new session protection command allows us to protect the + * session for a much longer time since the firmware will internally + * create two events: a 300TU one with a very high priority that + * won't be fragmented which should be enough for 99% of the cases, + * and another one (which we configure here to be 900TU long) which + * will have a slightly lower priority, but more importantly, can be + * fragmented so that it'll allow other activities to run. + */ + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) + iwl_mvm_schedule_session_protection(mvm, vif, 900, + min_duration, false); + else + iwl_mvm_protect_session(mvm, vif, duration, + min_duration, 500, false); mutex_unlock(&mvm->mutex); - - iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX); } static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, @@ -3527,7 +3370,7 @@ static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, switch (key->cipher) { case WLAN_CIPHER_SUITE_TKIP: - if (!mvm->trans->cfg->gen2) { + if (!mvm->trans->trans_cfg->gen2) { key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; } else if (vif->type == NL80211_IFTYPE_STATION) { @@ -3808,8 +3651,7 @@ static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, /* Set the channel info data */ iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value, - (channel->band == NL80211_BAND_2GHZ) ? - PHY_BAND_24 : PHY_BAND_5, + iwl_mvm_phy_band_from_nl80211(channel->band), PHY_VHT_CHANNEL_MODE20, 0); @@ -4035,14 +3877,15 @@ out_unlock: return ret; } -static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw) +static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); IWL_DEBUG_MAC80211(mvm, "enter\n"); mutex_lock(&mvm->mutex); - iwl_mvm_stop_roc(mvm); + iwl_mvm_stop_roc(mvm, vif); mutex_unlock(&mvm->mutex); IWL_DEBUG_MAC80211(mvm, "leave\n"); @@ -4267,23 +4110,12 @@ static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { u32 duration = 3 * vif->bss_conf.beacon_int; - - /* iwl_mvm_protect_session() reads directly from the - * device (the system time), so make sure it is - * available. - */ - ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PROTECT_CSA); - if (ret) - goto out_remove_binding; - /* Protect the session to make sure we hear the first * beacon on the new channel. */ iwl_mvm_protect_session(mvm, vif, duration, duration, vif->bss_conf.beacon_int / 2, true); - - iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_CSA); } iwl_mvm_update_quotas(mvm, false, NULL); @@ -4633,6 +4465,42 @@ static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm, 0, sizeof(cmd), &cmd); } +static int iwl_mvm_old_pre_chan_sw_sta(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_channel_switch *chsw) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + u32 apply_time; + + /* Schedule the time event to a bit before beacon 1, + * to make sure we're in the new channel when the + * GO/AP arrives. In case count <= 1 immediately schedule the + * TE (this might result with some packet loss or connection + * loss). + */ + if (chsw->count <= 1) + apply_time = 0; + else + apply_time = chsw->device_timestamp + + ((vif->bss_conf.beacon_int * (chsw->count - 1) - + IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); + + if (chsw->block_tx) + iwl_mvm_csa_client_absent(mvm, vif); + + if (mvmvif->bf_data.bf_enabled) { + int ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); + + if (ret) + return ret; + } + + iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, + apply_time); + + return 0; +} + #define IWL_MAX_CSA_BLOCK_TX 1500 static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, struct ieee80211_vif *vif, @@ -4641,7 +4509,6 @@ static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); struct ieee80211_vif *csa_vif; struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - u32 apply_time; int ret; mutex_lock(&mvm->mutex); @@ -4685,21 +4552,7 @@ static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, break; case NL80211_IFTYPE_STATION: - /* Schedule the time event to a bit before beacon 1, - * to make sure we're in the new channel when the - * GO/AP arrives. In case count <= 1 immediately schedule the - * TE (this might result with some packet loss or connection - * loss). - */ - if (chsw->count <= 1) - apply_time = 0; - else - apply_time = chsw->device_timestamp + - ((vif->bss_conf.beacon_int * (chsw->count - 1) - - IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); - if (chsw->block_tx) { - iwl_mvm_csa_client_absent(mvm, vif); /* * In case of undetermined / long time with immediate * quiet monitor status to gracefully disconnect @@ -4711,19 +4564,14 @@ static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX)); } - if (mvmvif->bf_data.bf_enabled) { - ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); + if (!fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { + ret = iwl_mvm_old_pre_chan_sw_sta(mvm, vif, chsw); if (ret) goto out_unlock; - } - - if (fw_has_capa(&mvm->fw->ucode_capa, - IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) + } else { iwl_mvm_schedule_client_csa(mvm, vif, chsw); - else - iwl_mvm_schedule_csa_period(mvm, vif, - vif->bss_conf.beacon_int, - apply_time); + } mvmvif->csa_count = chsw->count; mvmvif->csa_misbehave = false; @@ -4811,7 +4659,7 @@ static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) continue; if (drop) - iwl_mvm_flush_sta_tids(mvm, i, 0xFF, 0); + iwl_mvm_flush_sta_tids(mvm, i, 0xFFFF, 0); else iwl_mvm_wait_sta_queues_empty(mvm, iwl_mvm_sta_from_mac80211(sta)); @@ -4926,6 +4774,125 @@ static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, return ret; } +static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo) +{ + switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { + case RATE_MCS_CHAN_WIDTH_20: + rinfo->bw = RATE_INFO_BW_20; + break; + case RATE_MCS_CHAN_WIDTH_40: + rinfo->bw = RATE_INFO_BW_40; + break; + case RATE_MCS_CHAN_WIDTH_80: + rinfo->bw = RATE_INFO_BW_80; + break; + case RATE_MCS_CHAN_WIDTH_160: + rinfo->bw = RATE_INFO_BW_160; + break; + } + + if (rate_n_flags & RATE_MCS_HT_MSK) { + rinfo->flags |= RATE_INFO_FLAGS_MCS; + rinfo->mcs = u32_get_bits(rate_n_flags, RATE_HT_MCS_INDEX_MSK); + rinfo->nss = u32_get_bits(rate_n_flags, + RATE_HT_MCS_NSS_MSK) + 1; + if (rate_n_flags & RATE_MCS_SGI_MSK) + rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; + } else if (rate_n_flags & RATE_MCS_VHT_MSK) { + rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; + rinfo->mcs = u32_get_bits(rate_n_flags, + RATE_VHT_MCS_RATE_CODE_MSK); + rinfo->nss = u32_get_bits(rate_n_flags, + RATE_VHT_MCS_NSS_MSK) + 1; + if (rate_n_flags & RATE_MCS_SGI_MSK) + rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; + } else if (rate_n_flags & RATE_MCS_HE_MSK) { + u32 gi_ltf = u32_get_bits(rate_n_flags, + RATE_MCS_HE_GI_LTF_MSK); + + rinfo->flags |= RATE_INFO_FLAGS_HE_MCS; + rinfo->mcs = u32_get_bits(rate_n_flags, + RATE_VHT_MCS_RATE_CODE_MSK); + rinfo->nss = u32_get_bits(rate_n_flags, + RATE_VHT_MCS_NSS_MSK) + 1; + + if (rate_n_flags & RATE_MCS_HE_106T_MSK) { + rinfo->bw = RATE_INFO_BW_HE_RU; + rinfo->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106; + } + + switch (rate_n_flags & RATE_MCS_HE_TYPE_MSK) { + case RATE_MCS_HE_TYPE_SU: + case RATE_MCS_HE_TYPE_EXT_SU: + if (gi_ltf == 0 || gi_ltf == 1) + rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; + else if (gi_ltf == 2) + rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; + else if (rate_n_flags & RATE_MCS_SGI_MSK) + rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; + else + rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; + break; + case RATE_MCS_HE_TYPE_MU: + if (gi_ltf == 0 || gi_ltf == 1) + rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; + else if (gi_ltf == 2) + rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; + else + rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; + break; + case RATE_MCS_HE_TYPE_TRIG: + if (gi_ltf == 0 || gi_ltf == 1) + rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; + else + rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; + break; + } + + if (rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK) + rinfo->he_dcm = 1; + } else { + switch (u32_get_bits(rate_n_flags, RATE_LEGACY_RATE_MSK)) { + case IWL_RATE_1M_PLCP: + rinfo->legacy = 10; + break; + case IWL_RATE_2M_PLCP: + rinfo->legacy = 20; + break; + case IWL_RATE_5M_PLCP: + rinfo->legacy = 55; + break; + case IWL_RATE_11M_PLCP: + rinfo->legacy = 110; + break; + case IWL_RATE_6M_PLCP: + rinfo->legacy = 60; + break; + case IWL_RATE_9M_PLCP: + rinfo->legacy = 90; + break; + case IWL_RATE_12M_PLCP: + rinfo->legacy = 120; + break; + case IWL_RATE_18M_PLCP: + rinfo->legacy = 180; + break; + case IWL_RATE_24M_PLCP: + rinfo->legacy = 240; + break; + case IWL_RATE_36M_PLCP: + rinfo->legacy = 360; + break; + case IWL_RATE_48M_PLCP: + rinfo->legacy = 480; + break; + case IWL_RATE_54M_PLCP: + rinfo->legacy = 540; + break; + } + } +} + static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, @@ -4940,6 +4907,13 @@ static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); } + if (iwl_mvm_has_tlc_offload(mvm)) { + struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw; + + iwl_mvm_set_sta_rate(lq_sta->last_rate_n_flags, &sinfo->txrate); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); + } + /* if beacon filtering isn't on mac80211 does it anyway */ if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) return; @@ -5070,11 +5044,11 @@ void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, if (!iwl_mvm_has_new_rx_api(mvm)) return; - notif->cookie = mvm->queue_sync_cookie; - - if (notif->sync) + if (notif->sync) { + notif->cookie = mvm->queue_sync_cookie; atomic_set(&mvm->queue_sync_counter, mvm->trans->num_rx_queues); + } ret = iwl_mvm_notify_rx_queue(mvm, qmask, (u8 *)notif, size, !notif->sync); @@ -5094,7 +5068,8 @@ void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, out: atomic_set(&mvm->queue_sync_counter, 0); - mvm->queue_sync_cookie++; + if (notif->sync) + mvm->queue_sync_cookie++; } static void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) @@ -5194,6 +5169,7 @@ const struct ieee80211_ops iwl_mvm_hw_ops = { .tx = iwl_mvm_mac_tx, .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, .ampdu_action = iwl_mvm_mac_ampdu_action, + .get_antenna = iwl_mvm_op_get_antenna, .start = iwl_mvm_mac_start, .reconfig_complete = iwl_mvm_mac_reconfig_complete, .stop = iwl_mvm_mac_stop, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index a263cc629d75..d6ecc2d2bf21 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -188,6 +188,11 @@ enum iwl_power_scheme { IWL_POWER_SCHEME_LP }; +union geo_tx_power_profiles_cmd { + struct iwl_geo_tx_power_profiles_cmd geo_cmd; + struct iwl_geo_tx_power_profiles_cmd_v1 geo_cmd_v1; +}; + #define IWL_CONN_MAX_LISTEN_INTERVAL 10 #define IWL_UAPSD_MAX_SP IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL @@ -258,38 +263,6 @@ enum iwl_mvm_smps_type_request { NUM_IWL_MVM_SMPS_REQ, }; -enum iwl_mvm_ref_type { - IWL_MVM_REF_UCODE_DOWN, - IWL_MVM_REF_SCAN, - IWL_MVM_REF_ROC, - IWL_MVM_REF_ROC_AUX, - IWL_MVM_REF_P2P_CLIENT, - IWL_MVM_REF_AP_IBSS, - IWL_MVM_REF_USER, - IWL_MVM_REF_TX, - IWL_MVM_REF_TX_AGG, - IWL_MVM_REF_ADD_IF, - IWL_MVM_REF_START_AP, - IWL_MVM_REF_BSS_CHANGED, - IWL_MVM_REF_PREPARE_TX, - IWL_MVM_REF_PROTECT_TDLS, - IWL_MVM_REF_CHECK_CTKILL, - IWL_MVM_REF_PRPH_READ, - IWL_MVM_REF_PRPH_WRITE, - IWL_MVM_REF_NMI, - IWL_MVM_REF_TM_CMD, - IWL_MVM_REF_EXIT_WORK, - IWL_MVM_REF_PROTECT_CSA, - IWL_MVM_REF_FW_DBG_COLLECT, - IWL_MVM_REF_INIT_UCODE, - IWL_MVM_REF_SENDING_CMD, - IWL_MVM_REF_RX, - - /* update debugfs.c when changing this */ - - IWL_MVM_REF_COUNT, -}; - enum iwl_bt_force_ant_mode { BT_FORCE_ANT_DIS = 0, BT_FORCE_ANT_AUTO, @@ -504,6 +477,9 @@ struct iwl_mvm_vif { /* we can only have 2 GTK + 2 IGTK active at a time */ struct ieee80211_key_conf *ap_early_keys[4]; + + /* 26-tone RU OFDMA transmissions should be blocked */ + bool he_ru_2mhz_block; }; static inline struct iwl_mvm_vif * @@ -617,11 +593,6 @@ struct iwl_mvm_frame_stats { int last_frame_idx; }; -enum { - D0I3_DEFER_WAKEUP, - D0I3_PENDING_WAKEUP, -}; - #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200 @@ -695,6 +666,12 @@ struct iwl_mvm_tcm { * @valid: reordering is valid for this queue * @lock: protect reorder buffer internal state * @mvm: mvm pointer, needed for frame timer context + * @consec_oldsn_drops: consecutive drops due to old SN + * @consec_oldsn_ampdu_gp2: A-MPDU GP2 timestamp to track + * when to apply old SN consecutive drop workaround + * @consec_oldsn_prev_drop: track whether or not an MPDU + * that was single/part of the previous A-MPDU was + * dropped due to old SN */ struct iwl_mvm_reorder_buffer { u16 head_sn; @@ -708,6 +685,9 @@ struct iwl_mvm_reorder_buffer { bool valid; spinlock_t lock; struct iwl_mvm *mvm; + unsigned int consec_oldsn_drops; + u32 consec_oldsn_ampdu_gp2; + unsigned int consec_oldsn_prev_drop:1; } ____cacheline_aligned_in_smp; /** @@ -799,14 +779,6 @@ enum iwl_mvm_queue_status { #define IWL_MVM_NUM_CIPHERS 10 -struct iwl_mvm_sar_profile { - bool enabled; - u8 table[ACPI_SAR_TABLE_SIZE]; -}; - -struct iwl_mvm_geo_profile { - u8 values[ACPI_GEO_TABLE_SIZE]; -}; struct iwl_mvm_txq { struct list_head list; @@ -1011,10 +983,6 @@ struct iwl_mvm { unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)]; u8 fw_key_deleted[STA_KEY_MAX_NUM]; - /* references taken by the driver and spinlock protecting them */ - spinlock_t refs_lock; - u8 refs[IWL_MVM_REF_COUNT]; - u8 vif_count; struct ieee80211_vif __rcu *vif_id_to_mac[NUM_MAC_INDEX_DRIVER]; @@ -1039,6 +1007,7 @@ struct iwl_mvm { struct ieee80211_channel **nd_channels; int n_nd_channels; bool net_detect; + u8 offload_tid; #ifdef CONFIG_IWLWIFI_DEBUGFS bool d3_wake_sysassert; bool d3_test_active; @@ -1048,17 +1017,6 @@ struct iwl_mvm { #endif #endif - /* d0i3 */ - u8 d0i3_ap_sta_id; - bool d0i3_offloading; - struct work_struct d0i3_exit_work; - struct sk_buff_head d0i3_tx; - /* protect d0i3_suspend_flags */ - struct mutex d0i3_suspend_mutex; - unsigned long d0i3_suspend_flags; - /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */ - spinlock_t d0i3_tx_lock; - wait_queue_head_t d0i3_exit_waitq; wait_queue_head_t rx_sync_waitq; /* BT-Coex */ @@ -1161,6 +1119,10 @@ struct iwl_mvm { int responses[IWL_MVM_TOF_MAX_APS]; } ftm_initiator; + struct { + u8 d0i3_resp; + } cmd_ver; + struct ieee80211_vif *nan_vif; #define IWL_MAX_BAID 32 struct iwl_mvm_baid_data __rcu *baid_map[IWL_MAX_BAID]; @@ -1179,12 +1141,6 @@ struct iwl_mvm { /* sniffer data to include in radiotap */ __le16 cur_aid; u8 cur_bssid[ETH_ALEN]; - -#ifdef CONFIG_ACPI - struct iwl_mvm_sar_profile sar_profiles[ACPI_SAR_PROFILE_NUM]; - struct iwl_mvm_geo_profile geo_profiles[ACPI_NUM_GEO_PROFILES]; - u32 geo_rev; -#endif }; /* Extract MVM priv from op_mode and _hw */ @@ -1201,10 +1157,10 @@ struct iwl_mvm { * @IWL_MVM_STATUS_ROC_RUNNING: remain-on-channel is running * @IWL_MVM_STATUS_HW_RESTART_REQUESTED: HW restart was requested * @IWL_MVM_STATUS_IN_HW_RESTART: HW restart is active - * @IWL_MVM_STATUS_IN_D0I3: NIC is in D0i3 * @IWL_MVM_STATUS_ROC_AUX_RUNNING: AUX remain-on-channel is running * @IWL_MVM_STATUS_FIRMWARE_RUNNING: firmware is running * @IWL_MVM_STATUS_NEED_FLUSH_P2P: need to flush P2P bcast STA + * @IWL_MVM_STATUS_IN_D3: in D3 (or at least about to go into it) */ enum iwl_mvm_status { IWL_MVM_STATUS_HW_RFKILL, @@ -1212,10 +1168,10 @@ enum iwl_mvm_status { IWL_MVM_STATUS_ROC_RUNNING, IWL_MVM_STATUS_HW_RESTART_REQUESTED, IWL_MVM_STATUS_IN_HW_RESTART, - IWL_MVM_STATUS_IN_D0I3, IWL_MVM_STATUS_ROC_AUX_RUNNING, IWL_MVM_STATUS_FIRMWARE_RUNNING, IWL_MVM_STATUS_NEED_FLUSH_P2P, + IWL_MVM_STATUS_IN_D3, }; /* Keep track of completed init configuration */ @@ -1291,13 +1247,6 @@ iwl_mvm_rcu_dereference_vif_id(struct iwl_mvm *mvm, u8 vif_id, bool rcu) lockdep_is_held(&mvm->mutex)); } -static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm) -{ - return !iwlwifi_mod_params.d0i3_disable && - fw_has_capa(&mvm->fw->ucode_capa, - IWL_UCODE_TLV_CAPA_D0I3_SUPPORT); -} - static inline bool iwl_mvm_is_adaptive_dwell_supported(struct iwl_mvm *mvm) { return fw_has_api(&mvm->fw->ucode_capa, @@ -1333,19 +1282,6 @@ static inline bool iwl_mvm_is_short_beacon_notif_supported(struct iwl_mvm *mvm) IWL_UCODE_TLV_API_SHORT_BEACON_NOTIF); } -static inline bool iwl_mvm_enter_d0i3_on_suspend(struct iwl_mvm *mvm) -{ - /* For now we only use this mode to differentiate between - * slave transports, which handle D0i3 entry in suspend by - * themselves in conjunction with runtime PM D0i3. So, this - * function is used to check whether we need to do anything - * when entering suspend or if the transport layer has already - * done it. - */ - return (mvm->trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3) && - (mvm->trans->runtime_pm_mode != IWL_PLAT_PM_MODE_D0I3); -} - static inline bool iwl_mvm_is_dqa_data_queue(struct iwl_mvm *mvm, u8 queue) { return (queue >= IWL_MVM_DQA_MIN_DATA_QUEUE) && @@ -1364,9 +1300,6 @@ static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm) bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_LAR_SUPPORT); - if (iwlwifi_mod_params.lar_disable) - return false; - /* * Enable LAR only if it is supported by the FW (TLV) && * enabled in the NVM @@ -1424,13 +1357,13 @@ static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm) static inline bool iwl_mvm_has_new_tx_api(struct iwl_mvm *mvm) { /* TODO - replace with TLV once defined */ - return mvm->trans->cfg->use_tfh; + return mvm->trans->trans_cfg->use_tfh; } static inline bool iwl_mvm_has_unified_ucode(struct iwl_mvm *mvm) { /* TODO - better define this */ - return mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000; + return mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000; } static inline bool iwl_mvm_is_cdb_supported(struct iwl_mvm *mvm) @@ -1455,7 +1388,26 @@ static inline bool iwl_mvm_cdb_scan_api(struct iwl_mvm *mvm) * but then there's a little bit of code in scan that won't make * any sense... */ - return mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000; + return mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000; +} + +static inline bool iwl_mvm_is_scan_ext_chan_supported(struct iwl_mvm *mvm) +{ + return fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_SCAN_EXT_CHAN_VER); +} + + +static inline bool iwl_mvm_is_reduced_config_scan_supported(struct iwl_mvm *mvm) +{ + return fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_REDUCED_SCAN_CONFIG); +} + +static inline bool iwl_mvm_is_band_in_rx_supported(struct iwl_mvm *mvm) +{ + return fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_BAND_IN_RX_DATA); } static inline bool iwl_mvm_has_new_rx_stats_api(struct iwl_mvm *mvm) @@ -1487,7 +1439,6 @@ iwl_mvm_get_agg_status(struct iwl_mvm *mvm, void *tx_resp) static inline bool iwl_mvm_is_tt_in_fw(struct iwl_mvm *mvm) { -#ifdef CONFIG_THERMAL /* these two TLV are redundant since the responsibility to CT-kill by * FW happens only after we send at least one command of * temperature THs report. @@ -1496,9 +1447,6 @@ static inline bool iwl_mvm_is_tt_in_fw(struct iwl_mvm *mvm) IWL_UCODE_TLV_CAPA_CT_KILL_BY_FW) && fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TEMP_THS_REPORT_SUPPORT); -#else /* CONFIG_THERMAL */ - return false; -#endif /* CONFIG_THERMAL */ } static inline bool iwl_mvm_is_ctdp_supported(struct iwl_mvm *mvm) @@ -1559,8 +1507,8 @@ int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm, int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id, u16 len, const void *data, u32 *status); -int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, - struct ieee80211_sta *sta); +int iwl_mvm_tx_skb_sta(struct iwl_mvm *mvm, struct sk_buff *skb, + struct ieee80211_sta *sta); int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb); void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb, struct iwl_tx_cmd *tx_cmd, @@ -1663,6 +1611,8 @@ void iwl_mvm_rx_monitor_no_data(struct iwl_mvm *mvm, struct napi_struct *napi, struct iwl_rx_cmd_buffer *rxb, int queue); void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, struct iwl_rx_cmd_buffer *rxb, int queue); +void iwl_mvm_rx_bar_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, + struct iwl_rx_cmd_buffer *rxb, int queue); int iwl_mvm_notify_rx_queue(struct iwl_mvm *mvm, u32 rxq_mask, const u8 *data, u32 count, bool async); void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct napi_struct *napi, @@ -1731,6 +1681,8 @@ void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm, struct ieee80211_vif *vif); void iwl_mvm_probe_resp_data_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_missed_vap_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); /* Bindings */ @@ -1863,30 +1815,9 @@ void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw, extern const struct file_operations iwl_dbgfs_d3_test_ops; struct iwl_wowlan_status *iwl_mvm_send_wowlan_get_status(struct iwl_mvm *mvm); #ifdef CONFIG_PM -int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - bool host_awake, - u32 cmd_flags); -void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - struct iwl_wowlan_status *status); void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif); #else -static inline int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - bool host_awake, - u32 cmd_flags) -{ - return 0; -} - -static inline void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - struct iwl_wowlan_status *status) -{ -} - static inline void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif) { @@ -1900,19 +1831,6 @@ int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm, bool offload_ns, u32 cmd_flags); -/* D0i3 */ -void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); -void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); -int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); -bool iwl_mvm_ref_taken(struct iwl_mvm *mvm); - -#ifdef CONFIG_PM -void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq); -int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode); -int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode); -int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm); -#endif - /* BT Coex */ int iwl_mvm_send_bt_init_conf(struct iwl_mvm *mvm); void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm, @@ -1943,9 +1861,6 @@ iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, struct iwl_beacon_filter_cmd *cmd) {} #endif -int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - bool enable, u32 flags); int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, struct ieee80211_vif *vif, u32 flags); @@ -2025,7 +1940,7 @@ void iwl_mvm_vif_set_low_latency(struct iwl_mvm_vif *mvmvif, bool set, */ static inline u32 iwl_mvm_flushable_queues(struct iwl_mvm *mvm) { - return ((BIT(mvm->cfg->base_params->num_of_queues) - 1) & + return ((BIT(mvm->trans->trans_cfg->base_params->num_of_queues) - 1) & ~BIT(IWL_MVM_DQA_CMD_QUEUE)); } @@ -2034,7 +1949,8 @@ static inline void iwl_mvm_stop_device(struct iwl_mvm *mvm) lockdep_assert_held(&mvm->mutex); iwl_fw_cancel_timestamp(&mvm->fwrt); clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); - iwl_fwrt_stop_device(&mvm->fwrt); + iwl_fw_dbg_stop_sync(&mvm->fwrt); + iwl_trans_stop_device(mvm->trans); iwl_free_fw_paging(&mvm->fwrt); iwl_fw_dump_conf_clear(&mvm->fwrt); } @@ -2154,6 +2070,7 @@ void iwl_mvm_event_frame_timeout_callback(struct iwl_mvm *mvm, int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b); int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm); +int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm); #ifdef CONFIG_IWLWIFI_DEBUGFS void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif, @@ -2161,6 +2078,19 @@ void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw, struct dentry *dir); #endif +static inline u8 iwl_mvm_phy_band_from_nl80211(enum nl80211_band band) +{ + switch (band) { + case NL80211_BAND_2GHZ: + return PHY_BAND_24; + case NL80211_BAND_5GHZ: + return PHY_BAND_5; + default: + WARN_ONCE(1, "Unsupported band (%u)\n", band); + return PHY_BAND_5; + } +} + /* Channel info utils */ static inline bool iwl_mvm_has_ultra_hb_channel(struct iwl_mvm *mvm) { @@ -2209,11 +2139,12 @@ iwl_mvm_set_chan_info_chandef(struct iwl_mvm *mvm, struct iwl_fw_channel_info *ci, struct cfg80211_chan_def *chandef) { + enum nl80211_band band = chandef->chan->band; + iwl_mvm_set_chan_info(mvm, ci, chandef->chan->hw_value, - (chandef->chan->band == NL80211_BAND_2GHZ ? - PHY_BAND_24 : PHY_BAND_5), - iwl_mvm_get_channel_width(chandef), - iwl_mvm_get_ctrl_pos(chandef)); + iwl_mvm_phy_band_from_nl80211(band), + iwl_mvm_get_channel_width(chandef), + iwl_mvm_get_ctrl_pos(chandef)); } #endif /* __IWL_MVM_H__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c index a9bb43a2f27b..70b29bf16bb9 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c @@ -178,7 +178,7 @@ static int iwl_nvm_read_chunk(struct iwl_mvm *mvm, u16 section, } else { IWL_DEBUG_EEPROM(mvm->trans->dev, "NVM access command failed with status %d (device: %s)\n", - ret, mvm->cfg->name); + ret, mvm->trans->name); ret = -ENODATA; } goto exit; @@ -249,7 +249,7 @@ static int iwl_nvm_read_section(struct iwl_mvm *mvm, u16 section, while (ret == length) { /* Check no memory assumptions fail and cause an overflow */ if ((size_read + offset + length) > - mvm->cfg->base_params->eeprom_size) { + mvm->trans->trans_cfg->base_params->eeprom_size) { IWL_ERR(mvm, "EEPROM size is too small for NVM\n"); return -ENOBUFS; } @@ -277,11 +277,10 @@ iwl_parse_nvm_sections(struct iwl_mvm *mvm) struct iwl_nvm_section *sections = mvm->nvm_sections; const __be16 *hw; const __le16 *sw, *calib, *regulatory, *mac_override, *phy_sku; - bool lar_enabled; int regulatory_type; /* Checking for required sections */ - if (mvm->trans->cfg->nvm_type != IWL_NVM_EXT) { + if (mvm->trans->cfg->nvm_type == IWL_NVM) { if (!mvm->nvm_sections[NVM_SECTION_TYPE_SW].data || !mvm->nvm_sections[mvm->cfg->nvm_hw_section_num].data) { IWL_ERR(mvm, "Can't parse empty OTP/NVM sections\n"); @@ -327,14 +326,9 @@ iwl_parse_nvm_sections(struct iwl_mvm *mvm) (const __le16 *)sections[NVM_SECTION_TYPE_REGULATORY_SDP].data : (const __le16 *)sections[NVM_SECTION_TYPE_REGULATORY].data; - lar_enabled = !iwlwifi_mod_params.lar_disable && - fw_has_capa(&mvm->fw->ucode_capa, - IWL_UCODE_TLV_CAPA_LAR_SUPPORT); - - return iwl_parse_nvm_data(mvm->trans, mvm->cfg, hw, sw, calib, + return iwl_parse_nvm_data(mvm->trans, mvm->cfg, mvm->fw, hw, sw, calib, regulatory, mac_override, phy_sku, - mvm->fw->valid_tx_ant, mvm->fw->valid_rx_ant, - lar_enabled); + mvm->fw->valid_tx_ant, mvm->fw->valid_rx_ant); } /* Loads the NVM data stored in mvm->nvm_sections into the NIC */ @@ -372,7 +366,7 @@ int iwl_nvm_init(struct iwl_mvm *mvm) /* Read From FW NVM */ IWL_DEBUG_EEPROM(mvm->trans->dev, "Read from NVM\n"); - nvm_buffer = kmalloc(mvm->cfg->base_params->eeprom_size, + nvm_buffer = kmalloc(mvm->trans->trans_cfg->base_params->eeprom_size, GFP_KERNEL); if (!nvm_buffer) return -ENOMEM; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 4888054dc3d8..dfe02440d474 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -173,7 +173,7 @@ static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode) * unrelated errors. Need to further investigate this, but for now * we'll separate cases. */ - if (mvm->trans->cfg->device_family < IWL_DEVICE_FAMILY_8000) + if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000) reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI; if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt)) @@ -263,6 +263,8 @@ static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, RX_HANDLER_SYNC), + RX_HANDLER_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF, + iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC), RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc, RX_HANDLER_ASYNC_LOCKED), @@ -389,6 +391,7 @@ static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = { HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC), HCMD_NAME(REPLY_RX_PHY_CMD), HCMD_NAME(REPLY_RX_MPDU_CMD), + HCMD_NAME(BAR_FRAME_RELEASE), HCMD_NAME(FRAME_RELEASE), HCMD_NAME(BA_NOTIF), HCMD_NAME(MCC_UPDATE_CMD), @@ -414,6 +417,7 @@ static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = { HCMD_NAME(SCAN_ITERATION_COMPLETE), HCMD_NAME(D0I3_END_CMD), HCMD_NAME(LTR_CONFIG), + HCMD_NAME(LDBG_CONFIG_CMD), }; /* Please keep this array *SORTED* by hex value. @@ -430,6 +434,8 @@ static const struct iwl_hcmd_names iwl_mvm_system_names[] = { */ static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = { HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD), + HCMD_NAME(SESSION_PROTECTION_CMD), + HCMD_NAME(SESSION_PROTECTION_NOTIF), HCMD_NAME(CHANNEL_SWITCH_NOA_NOTIF), }; @@ -465,6 +471,8 @@ static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = { * Access is done through binary search */ static const struct iwl_hcmd_names iwl_mvm_debug_names[] = { + HCMD_NAME(DBGC_SUSPEND_RESUME), + HCMD_NAME(BUFFER_ALLOCATION), HCMD_NAME(MFU_ASSERT_DUMP_NTF), }; @@ -514,9 +522,6 @@ static const struct iwl_hcmd_arr iwl_mvm_groups[] = { /* this forward declaration can avoid to export the function */ static void iwl_mvm_async_handlers_wk(struct work_struct *wk); -#ifdef CONFIG_PM -static void iwl_mvm_d0i3_exit_work(struct work_struct *wk); -#endif static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm) { @@ -564,23 +569,16 @@ unlock: static int iwl_mvm_fwrt_dump_start(void *ctx) { struct iwl_mvm *mvm = ctx; - int ret = 0; mutex_lock(&mvm->mutex); - ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_FW_DBG_COLLECT); - if (ret) - mutex_unlock(&mvm->mutex); - - return ret; + return 0; } static void iwl_mvm_fwrt_dump_end(void *ctx) { struct iwl_mvm *mvm = ctx; - iwl_mvm_unref(mvm, IWL_MVM_REF_FW_DBG_COLLECT); - mutex_unlock(&mvm->mutex); } @@ -614,6 +612,27 @@ static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = { .d3_debug_enable = iwl_mvm_d3_debug_enable, }; +static u8 iwl_mvm_lookup_notif_ver(struct iwl_mvm *mvm, u8 grp, u8 cmd, u8 def) +{ + const struct iwl_fw_cmd_version *entry; + unsigned int i; + + if (!mvm->fw->ucode_capa.cmd_versions || + !mvm->fw->ucode_capa.n_cmd_versions) + return def; + + entry = mvm->fw->ucode_capa.cmd_versions; + for (i = 0; i < mvm->fw->ucode_capa.n_cmd_versions; i++, entry++) { + if (entry->group == grp && entry->cmd == cmd) { + if (entry->notif_ver == IWL_FW_CMD_VER_UNKNOWN) + return def; + return entry->notif_ver; + } + } + + return def; +} + static struct iwl_op_mode * iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, const struct iwl_fw *fw, struct dentry *dbgfs_dir) @@ -645,10 +664,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, if (!hw) return NULL; - if (cfg->max_rx_agg_size) - hw->max_rx_aggregation_subframes = cfg->max_rx_agg_size; - else - hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; + hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; if (cfg->max_tx_agg_size) hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size; @@ -672,8 +688,8 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, if (iwl_mvm_has_new_rx_api(mvm)) { op_mode->ops = &iwl_mvm_ops_mq; trans->rx_mpdu_cmd_hdr_size = - (trans->cfg->device_family >= - IWL_DEVICE_FAMILY_22560) ? + (trans->trans_cfg->device_family >= + IWL_DEVICE_FAMILY_AX210) ? sizeof(struct iwl_rx_mpdu_desc) : IWL_RX_DESC_SIZE_V1; } else { @@ -700,7 +716,6 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, mvm->drop_bcn_ap_mode = true; mutex_init(&mvm->mutex); - mutex_init(&mvm->d0i3_suspend_mutex); spin_lock_init(&mvm->async_handlers_lock); INIT_LIST_HEAD(&mvm->time_event_list); INIT_LIST_HEAD(&mvm->aux_roc_te_list); @@ -710,18 +725,11 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); -#ifdef CONFIG_PM - INIT_WORK(&mvm->d0i3_exit_work, iwl_mvm_d0i3_exit_work); -#endif INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work); INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk); INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk); INIT_LIST_HEAD(&mvm->add_stream_txqs); - spin_lock_init(&mvm->d0i3_tx_lock); - spin_lock_init(&mvm->refs_lock); - skb_queue_head_init(&mvm->d0i3_tx); - init_waitqueue_head(&mvm->d0i3_exit_waitq); init_waitqueue_head(&mvm->rx_sync_waitq); atomic_set(&mvm->queue_sync_counter, 0); @@ -736,6 +744,12 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork); + mvm->cmd_ver.d0i3_resp = + iwl_mvm_lookup_notif_ver(mvm, LEGACY_GROUP, D0I3_END_CMD, 0); + /* we only support version 1 */ + if (WARN_ON_ONCE(mvm->cmd_ver.d0i3_resp > 1)) + goto out_free; + /* * Populate the state variables that the transport layer needs * to know about. @@ -744,7 +758,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, trans_cfg.no_reclaim_cmds = no_reclaim_cmds; trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); - if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) + if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) rb_size_default = IWL_AMSDU_2K; else rb_size_default = IWL_AMSDU_4K; @@ -768,12 +782,9 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, trans_cfg.rx_buf_size = rb_size_default; } - BUILD_BUG_ON(sizeof(struct iwl_ldbg_config_cmd) != - LDBG_CFG_COMMAND_SIZE); - trans->wide_cmd_header = true; trans_cfg.bc_table_dword = - mvm->trans->cfg->device_family < IWL_DEVICE_FAMILY_22560; + mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210; trans_cfg.command_groups = iwl_mvm_groups; trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups); @@ -819,7 +830,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, } IWL_INFO(mvm, "Detected %s, REV=0x%X\n", - mvm->cfg->name, mvm->trans->hw_rev); + mvm->trans->name, mvm->trans->hw_rev); if (iwlwifi_mod_params.nvm_file) mvm->nvm_file_name = iwlwifi_mod_params.nvm_file; @@ -832,13 +843,11 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, goto out_free; mutex_lock(&mvm->mutex); - iwl_mvm_ref(mvm, IWL_MVM_REF_INIT_UCODE); err = iwl_run_init_mvm_ucode(mvm, true); if (err && err != -ERFKILL) iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER); if (!iwlmvm_mod_params.init_dbg || !err) iwl_mvm_stop_device(mvm); - iwl_mvm_unref(mvm, IWL_MVM_REF_INIT_UCODE); mutex_unlock(&mvm->mutex); if (err < 0) { IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err); @@ -870,11 +879,6 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, else memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx)); - /* The transport always starts with a taken reference, we can - * release it now if d0i3 is supported */ - if (iwl_mvm_is_d0i3_supported(mvm)) - iwl_trans_unref(mvm->trans); - iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx); return op_mode; @@ -898,13 +902,6 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); int i; - /* If d0i3 is supported, we have released the reference that - * the transport started with, so we should take it back now - * that we are leaving. - */ - if (iwl_mvm_is_d0i3_supported(mvm)) - iwl_trans_ref(mvm->trans); - iwl_mvm_leds_exit(mvm); iwl_mvm_thermal_exit(mvm); @@ -931,7 +928,6 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) iwl_fw_runtime_free(&mvm->fwrt); mutex_destroy(&mvm->mutex); - mutex_destroy(&mvm->d0i3_suspend_mutex); ieee80211_free_hw(mvm->hw); } @@ -1020,7 +1016,10 @@ static void iwl_mvm_rx_common(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt) { int i; + union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt }; + iwl_dbg_tlv_time_point(&mvm->fwrt, + IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data); iwl_mvm_rx_check_trigger(mvm, pkt); /* @@ -1091,6 +1090,8 @@ static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode, iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0); else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)) iwl_mvm_rx_frame_release(mvm, napi, rxb, 0); + else if (cmd == WIDE_ID(LEGACY_GROUP, BAR_FRAME_RELEASE)) + iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0); else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF)) iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0); else @@ -1234,8 +1235,7 @@ static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) * Stop the device if we run OPERATIONAL firmware or if we are in the * middle of the calibrations. */ - return state && (mvm->fwrt.cur_fw_img != IWL_UCODE_INIT || - rfkill_safe_init_done); + return state && rfkill_safe_init_done; } static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) @@ -1267,7 +1267,7 @@ static void iwl_mvm_reprobe_wk(struct work_struct *wk) void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) { iwl_abort_notification_waits(&mvm->notif_wait); - del_timer(&mvm->fwrt.dump.periodic_trig); + iwl_dbg_tlv_del_timers(mvm->trans); /* * This is a bit racy, but worst case we tell mac80211 about @@ -1319,9 +1319,6 @@ void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR && mvm->hw_registered && !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) { - /* don't let the transport/FW power down */ - iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); - if (mvm->fw->ucode_capa.error_log_size) { u32 src_size = mvm->fw->ucode_capa.error_log_size; u32 src_addr = mvm->fw->ucode_capa.error_log_addr; @@ -1363,422 +1360,6 @@ static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode) iwl_mvm_nic_restart(mvm, true); } -#ifdef CONFIG_PM -struct iwl_d0i3_iter_data { - struct iwl_mvm *mvm; - struct ieee80211_vif *connected_vif; - u8 ap_sta_id; - u8 vif_count; - u8 offloading_tid; - bool disable_offloading; -}; - -static bool iwl_mvm_disallow_offloading(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - struct iwl_d0i3_iter_data *iter_data) -{ - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - struct iwl_mvm_sta *mvmsta; - u32 available_tids = 0; - u8 tid; - - if (WARN_ON(vif->type != NL80211_IFTYPE_STATION || - mvmvif->ap_sta_id == IWL_MVM_INVALID_STA)) - return false; - - mvmsta = iwl_mvm_sta_from_staid_rcu(mvm, mvmvif->ap_sta_id); - if (!mvmsta) - return false; - - spin_lock_bh(&mvmsta->lock); - for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { - struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; - - /* - * in case of pending tx packets, don't use this tid - * for offloading in order to prevent reuse of the same - * qos seq counters. - */ - if (iwl_mvm_tid_queued(mvm, tid_data)) - continue; - - if (tid_data->state != IWL_AGG_OFF) - continue; - - available_tids |= BIT(tid); - } - spin_unlock_bh(&mvmsta->lock); - - /* - * disallow protocol offloading if we have no available tid - * (with no pending frames and no active aggregation, - * as we don't handle "holes" properly - the scheduler needs the - * frame's seq number and TFD index to match) - */ - if (!available_tids) - return true; - - /* for simplicity, just use the first available tid */ - iter_data->offloading_tid = ffs(available_tids) - 1; - return false; -} - -static void iwl_mvm_enter_d0i3_iterator(void *_data, u8 *mac, - struct ieee80211_vif *vif) -{ - struct iwl_d0i3_iter_data *data = _data; - struct iwl_mvm *mvm = data->mvm; - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE; - - IWL_DEBUG_RPM(mvm, "entering D0i3 - vif %pM\n", vif->addr); - if (vif->type != NL80211_IFTYPE_STATION || - !vif->bss_conf.assoc) - return; - - /* - * in case of pending tx packets or active aggregations, - * avoid offloading features in order to prevent reuse of - * the same qos seq counters. - */ - if (iwl_mvm_disallow_offloading(mvm, vif, data)) - data->disable_offloading = true; - - iwl_mvm_update_d0i3_power_mode(mvm, vif, true, flags); - iwl_mvm_send_proto_offload(mvm, vif, data->disable_offloading, - false, flags); - - /* - * on init/association, mvm already configures POWER_TABLE_CMD - * and REPLY_MCAST_FILTER_CMD, so currently don't - * reconfigure them (we might want to use different - * params later on, though). - */ - data->ap_sta_id = mvmvif->ap_sta_id; - data->vif_count++; - - /* - * no new commands can be sent at this stage, so it's safe - * to save the vif pointer during d0i3 entrance. - */ - data->connected_vif = vif; -} - -static void iwl_mvm_set_wowlan_data(struct iwl_mvm *mvm, - struct iwl_wowlan_config_cmd *cmd, - struct iwl_d0i3_iter_data *iter_data) -{ - struct ieee80211_sta *ap_sta; - struct iwl_mvm_sta *mvm_ap_sta; - - if (iter_data->ap_sta_id == IWL_MVM_INVALID_STA) - return; - - rcu_read_lock(); - - ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[iter_data->ap_sta_id]); - if (IS_ERR_OR_NULL(ap_sta)) - goto out; - - mvm_ap_sta = iwl_mvm_sta_from_mac80211(ap_sta); - cmd->is_11n_connection = ap_sta->ht_cap.ht_supported; - cmd->offloading_tid = iter_data->offloading_tid; - cmd->flags = ENABLE_L3_FILTERING | ENABLE_NBNS_FILTERING | - ENABLE_DHCP_FILTERING | ENABLE_STORE_BEACON; - /* - * The d0i3 uCode takes care of the nonqos counters, - * so configure only the qos seq ones. - */ - iwl_mvm_set_wowlan_qos_seq(mvm_ap_sta, cmd); -out: - rcu_read_unlock(); -} - -int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode) -{ - struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); - u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE; - int ret; - struct iwl_d0i3_iter_data d0i3_iter_data = { - .mvm = mvm, - }; - struct iwl_wowlan_config_cmd wowlan_config_cmd = { - .wakeup_filter = cpu_to_le32(IWL_WOWLAN_WAKEUP_RX_FRAME | - IWL_WOWLAN_WAKEUP_BEACON_MISS | - IWL_WOWLAN_WAKEUP_LINK_CHANGE), - }; - struct iwl_d3_manager_config d3_cfg_cmd = { - .min_sleep_time = cpu_to_le32(1000), - .wakeup_flags = cpu_to_le32(IWL_WAKEUP_D3_CONFIG_FW_ERROR), - }; - - IWL_DEBUG_RPM(mvm, "MVM entering D0i3\n"); - - if (WARN_ON_ONCE(mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)) - return -EINVAL; - - set_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); - - /* - * iwl_mvm_ref_sync takes a reference before checking the flag. - * so by checking there is no held reference we prevent a state - * in which iwl_mvm_ref_sync continues successfully while we - * configure the firmware to enter d0i3 - */ - if (iwl_mvm_ref_taken(mvm)) { - IWL_DEBUG_RPM(mvm->trans, "abort d0i3 due to taken ref\n"); - clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); - wake_up(&mvm->d0i3_exit_waitq); - return 1; - } - - ieee80211_iterate_active_interfaces_atomic(mvm->hw, - IEEE80211_IFACE_ITER_NORMAL, - iwl_mvm_enter_d0i3_iterator, - &d0i3_iter_data); - if (d0i3_iter_data.vif_count == 1) { - mvm->d0i3_ap_sta_id = d0i3_iter_data.ap_sta_id; - mvm->d0i3_offloading = !d0i3_iter_data.disable_offloading; - } else { - WARN_ON_ONCE(d0i3_iter_data.vif_count > 1); - mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA; - mvm->d0i3_offloading = false; - } - - iwl_mvm_pause_tcm(mvm, true); - /* make sure we have no running tx while configuring the seqno */ - synchronize_net(); - - /* Flush the hw queues, in case something got queued during entry */ - /* TODO new tx api */ - if (iwl_mvm_has_new_tx_api(mvm)) { - WARN_ONCE(1, "d0i3: Need to implement flush TX queue\n"); - } else { - ret = iwl_mvm_flush_tx_path(mvm, iwl_mvm_flushable_queues(mvm), - flags); - if (ret) - return ret; - } - - /* configure wowlan configuration only if needed */ - if (mvm->d0i3_ap_sta_id != IWL_MVM_INVALID_STA) { - /* wake on beacons only if beacon storing isn't supported */ - if (!fw_has_capa(&mvm->fw->ucode_capa, - IWL_UCODE_TLV_CAPA_BEACON_STORING)) - wowlan_config_cmd.wakeup_filter |= - cpu_to_le32(IWL_WOWLAN_WAKEUP_BCN_FILTERING); - - iwl_mvm_wowlan_config_key_params(mvm, - d0i3_iter_data.connected_vif, - true, flags); - - iwl_mvm_set_wowlan_data(mvm, &wowlan_config_cmd, - &d0i3_iter_data); - - ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, flags, - sizeof(wowlan_config_cmd), - &wowlan_config_cmd); - if (ret) - return ret; - } - - return iwl_mvm_send_cmd_pdu(mvm, D3_CONFIG_CMD, - flags | CMD_MAKE_TRANS_IDLE, - sizeof(d3_cfg_cmd), &d3_cfg_cmd); -} - -static void iwl_mvm_exit_d0i3_iterator(void *_data, u8 *mac, - struct ieee80211_vif *vif) -{ - struct iwl_mvm *mvm = _data; - u32 flags = CMD_ASYNC | CMD_HIGH_PRIO; - - IWL_DEBUG_RPM(mvm, "exiting D0i3 - vif %pM\n", vif->addr); - if (vif->type != NL80211_IFTYPE_STATION || - !vif->bss_conf.assoc) - return; - - iwl_mvm_update_d0i3_power_mode(mvm, vif, false, flags); -} - -struct iwl_mvm_d0i3_exit_work_iter_data { - struct iwl_mvm *mvm; - struct iwl_wowlan_status *status; - u32 wakeup_reasons; -}; - -static void iwl_mvm_d0i3_exit_work_iter(void *_data, u8 *mac, - struct ieee80211_vif *vif) -{ - struct iwl_mvm_d0i3_exit_work_iter_data *data = _data; - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - u32 reasons = data->wakeup_reasons; - - /* consider only the relevant station interface */ - if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc || - data->mvm->d0i3_ap_sta_id != mvmvif->ap_sta_id) - return; - - if (reasons & IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH) - iwl_mvm_connection_loss(data->mvm, vif, "D0i3"); - else if (reasons & IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON) - ieee80211_beacon_loss(vif); - else - iwl_mvm_d0i3_update_keys(data->mvm, vif, data->status); -} - -void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq) -{ - struct ieee80211_sta *sta = NULL; - struct iwl_mvm_sta *mvm_ap_sta; - int i; - bool wake_queues = false; - - lockdep_assert_held(&mvm->mutex); - - spin_lock_bh(&mvm->d0i3_tx_lock); - - if (mvm->d0i3_ap_sta_id == IWL_MVM_INVALID_STA) - goto out; - - IWL_DEBUG_RPM(mvm, "re-enqueue packets\n"); - - /* get the sta in order to update seq numbers and re-enqueue skbs */ - sta = rcu_dereference_protected( - mvm->fw_id_to_mac_id[mvm->d0i3_ap_sta_id], - lockdep_is_held(&mvm->mutex)); - - if (IS_ERR_OR_NULL(sta)) { - sta = NULL; - goto out; - } - - if (mvm->d0i3_offloading && qos_seq) { - /* update qos seq numbers if offloading was enabled */ - mvm_ap_sta = iwl_mvm_sta_from_mac80211(sta); - for (i = 0; i < IWL_MAX_TID_COUNT; i++) { - u16 seq = le16_to_cpu(qos_seq[i]); - /* firmware stores last-used one, we store next one */ - seq += 0x10; - mvm_ap_sta->tid_data[i].seq_number = seq; - } - } -out: - /* re-enqueue (or drop) all packets */ - while (!skb_queue_empty(&mvm->d0i3_tx)) { - struct sk_buff *skb = __skb_dequeue(&mvm->d0i3_tx); - - if (!sta || iwl_mvm_tx_skb(mvm, skb, sta)) - ieee80211_free_txskb(mvm->hw, skb); - - /* if the skb_queue is not empty, we need to wake queues */ - wake_queues = true; - } - clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); - wake_up(&mvm->d0i3_exit_waitq); - mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA; - if (wake_queues) - ieee80211_wake_queues(mvm->hw); - - spin_unlock_bh(&mvm->d0i3_tx_lock); -} - -static void iwl_mvm_d0i3_exit_work(struct work_struct *wk) -{ - struct iwl_mvm *mvm = container_of(wk, struct iwl_mvm, d0i3_exit_work); - struct iwl_mvm_d0i3_exit_work_iter_data iter_data = { - .mvm = mvm, - }; - - struct iwl_wowlan_status *status; - u32 wakeup_reasons = 0; - __le16 *qos_seq = NULL; - - mutex_lock(&mvm->mutex); - - status = iwl_mvm_send_wowlan_get_status(mvm); - if (IS_ERR_OR_NULL(status)) { - /* set to NULL so we don't need to check before kfree'ing */ - status = NULL; - goto out; - } - - wakeup_reasons = le32_to_cpu(status->wakeup_reasons); - qos_seq = status->qos_seq_ctr; - - IWL_DEBUG_RPM(mvm, "wakeup reasons: 0x%x\n", wakeup_reasons); - - iter_data.wakeup_reasons = wakeup_reasons; - iter_data.status = status; - ieee80211_iterate_active_interfaces(mvm->hw, - IEEE80211_IFACE_ITER_NORMAL, - iwl_mvm_d0i3_exit_work_iter, - &iter_data); -out: - iwl_mvm_d0i3_enable_tx(mvm, qos_seq); - - IWL_DEBUG_INFO(mvm, "d0i3 exit completed (wakeup reasons: 0x%x)\n", - wakeup_reasons); - - /* qos_seq might point inside resp_pkt, so free it only now */ - kfree(status); - - /* the FW might have updated the regdomain */ - iwl_mvm_update_changed_regdom(mvm); - - iwl_mvm_resume_tcm(mvm); - iwl_mvm_unref(mvm, IWL_MVM_REF_EXIT_WORK); - mutex_unlock(&mvm->mutex); -} - -int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm) -{ - u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE | - CMD_WAKE_UP_TRANS; - int ret; - - IWL_DEBUG_RPM(mvm, "MVM exiting D0i3\n"); - - if (WARN_ON_ONCE(mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)) - return -EINVAL; - - mutex_lock(&mvm->d0i3_suspend_mutex); - if (test_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags)) { - IWL_DEBUG_RPM(mvm, "Deferring d0i3 exit until resume\n"); - __set_bit(D0I3_PENDING_WAKEUP, &mvm->d0i3_suspend_flags); - mutex_unlock(&mvm->d0i3_suspend_mutex); - return 0; - } - mutex_unlock(&mvm->d0i3_suspend_mutex); - - ret = iwl_mvm_send_cmd_pdu(mvm, D0I3_END_CMD, flags, 0, NULL); - if (ret) - goto out; - - ieee80211_iterate_active_interfaces_atomic(mvm->hw, - IEEE80211_IFACE_ITER_NORMAL, - iwl_mvm_exit_d0i3_iterator, - mvm); -out: - schedule_work(&mvm->d0i3_exit_work); - return ret; -} - -int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode) -{ - struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); - - iwl_mvm_ref(mvm, IWL_MVM_REF_EXIT_WORK); - return _iwl_mvm_exit_d0i3(mvm); -} - -#define IWL_MVM_D0I3_OPS \ - .enter_d0i3 = iwl_mvm_enter_d0i3, \ - .exit_d0i3 = iwl_mvm_exit_d0i3, -#else /* CONFIG_PM */ -#define IWL_MVM_D0I3_OPS -#endif /* CONFIG_PM */ - #define IWL_MVM_COMMON_OPS \ /* these could be differentiated */ \ .async_cb = iwl_mvm_async_cb, \ @@ -1789,7 +1370,6 @@ int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode) .nic_error = iwl_mvm_nic_error, \ .cmd_queue_full = iwl_mvm_cmd_queue_full, \ .nic_config = iwl_mvm_nic_config, \ - IWL_MVM_D0I3_OPS \ /* as we only register one, these MUST be common! */ \ .start = iwl_op_mode_mvm_start, \ .stop = iwl_op_mode_mvm_stop diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/phy-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/phy-ctxt.c index 86e40bae57e3..0243dbe8ac49 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/phy-ctxt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/phy-ctxt.c @@ -289,8 +289,17 @@ void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt) if (ctxt->ref == 0) { struct ieee80211_channel *chan; struct cfg80211_chan_def chandef; + struct ieee80211_supported_band *sband = NULL; + enum nl80211_band band = NL80211_BAND_2GHZ; + + while (!sband && band < NUM_NL80211_BANDS) + sband = mvm->hw->wiphy->bands[band++]; + + if (WARN_ON(!sband)) + return; + + chan = &sband->channels[0]; - chan = &mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]->channels[0]; cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT); iwl_mvm_phy_ctxt_changed(mvm, ctxt, &chandef, 1, 1); } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/power.c b/drivers/net/wireless/intel/iwlwifi/mvm/power.c index 36f5fa1ee793..c146303ec73b 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/power.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/power.c @@ -127,12 +127,11 @@ int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm, static void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm *mvm, struct ieee80211_vif *vif, - struct iwl_beacon_filter_cmd *cmd, - bool d0i3) + struct iwl_beacon_filter_cmd *cmd) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - if (vif->bss_conf.cqm_rssi_thold && !d0i3) { + if (vif->bss_conf.cqm_rssi_thold) { cmd->bf_energy_delta = cpu_to_le32(vif->bss_conf.cqm_rssi_hyst); /* fw uses an absolute value for this */ @@ -199,7 +198,7 @@ static void iwl_mvm_power_configure_uapsd(struct iwl_mvm *mvm, if (!mvmvif->queue_params[ac].uapsd) continue; - if (mvm->fwrt.cur_fw_img != IWL_UCODE_WOWLAN) + if (!test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status)) cmd->flags |= cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK); @@ -234,15 +233,15 @@ static void iwl_mvm_power_configure_uapsd(struct iwl_mvm *mvm, cmd->flags |= cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK); cmd->snooze_interval = cpu_to_le16(IWL_MVM_PS_SNOOZE_INTERVAL); cmd->snooze_window = - (mvm->fwrt.cur_fw_img == IWL_UCODE_WOWLAN) ? + test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status) ? cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW) : cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW); } cmd->uapsd_max_sp = mvm->hw->uapsd_max_sp_len; - if (mvm->fwrt.cur_fw_img == IWL_UCODE_WOWLAN || cmd->flags & - cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) { + if (test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status) || + cmd->flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) { cmd->rx_data_timeout_uapsd = cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT); cmd->tx_data_timeout_uapsd = @@ -355,8 +354,7 @@ static bool iwl_mvm_power_is_radar(struct ieee80211_vif *vif) static void iwl_mvm_power_config_skip_dtim(struct iwl_mvm *mvm, struct ieee80211_vif *vif, - struct iwl_mac_power_cmd *cmd, - bool host_awake) + struct iwl_mac_power_cmd *cmd) { int dtimper = vif->bss_conf.dtim_period ?: 1; int skip; @@ -371,9 +369,7 @@ static void iwl_mvm_power_config_skip_dtim(struct iwl_mvm *mvm, if (dtimper >= 10) return; - /* TODO: check that multicast wake lock is off */ - - if (host_awake) { + if (!test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status)) { if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_LP) return; skip = 2; @@ -393,8 +389,7 @@ static void iwl_mvm_power_config_skip_dtim(struct iwl_mvm *mvm, static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, - struct iwl_mac_power_cmd *cmd, - bool host_awake) + struct iwl_mac_power_cmd *cmd) { int dtimper, bi; int keep_alive; @@ -440,9 +435,9 @@ static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD; } - iwl_mvm_power_config_skip_dtim(mvm, vif, cmd, host_awake); + iwl_mvm_power_config_skip_dtim(mvm, vif, cmd); - if (!host_awake) { + if (test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status)) { cmd->rx_data_timeout = cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT); cmd->tx_data_timeout = @@ -515,8 +510,7 @@ static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm, { struct iwl_mac_power_cmd cmd = {}; - iwl_mvm_power_build_cmd(mvm, vif, &cmd, - mvm->fwrt.cur_fw_img != IWL_UCODE_WOWLAN); + iwl_mvm_power_build_cmd(mvm, vif, &cmd); iwl_mvm_power_log(mvm, &cmd); #ifdef CONFIG_IWLWIFI_DEBUGFS memcpy(&iwl_mvm_vif_from_mac80211(vif)->mac_pwr_cmd, &cmd, sizeof(cmd)); @@ -539,7 +533,7 @@ int iwl_mvm_power_update_device(struct iwl_mvm *mvm) cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK); #ifdef CONFIG_IWLWIFI_DEBUGFS - if ((mvm->fwrt.cur_fw_img == IWL_UCODE_WOWLAN) ? + if (test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status) ? mvm->disable_power_off_d3 : mvm->disable_power_off) cmd.flags &= cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK); @@ -849,8 +843,7 @@ iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct iwl_beacon_filter_cmd *cmd, - u32 cmd_flags, - bool d0i3) + u32 cmd_flags) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); int ret; @@ -859,13 +852,11 @@ static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, vif->type != NL80211_IFTYPE_STATION || vif->p2p) return 0; - iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd, d0i3); - if (!d0i3) - iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd); + iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd); + iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd); ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags); - /* don't change bf_enabled in case of temporary d0i3 configuration */ - if (!ret && !d0i3) + if (!ret) mvmvif->bf_data.bf_enabled = true; return ret; @@ -880,12 +871,12 @@ int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, .bf_enable_beacon_filter = cpu_to_le32(1), }; - return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags, false); + return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags); } static int _iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, struct ieee80211_vif *vif, - u32 flags, bool d0i3) + u32 flags) { struct iwl_beacon_filter_cmd cmd = {}; struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); @@ -896,8 +887,7 @@ static int _iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags); - /* don't change bf_enabled in case of temporary d0i3 configuration */ - if (!ret && !d0i3) + if (!ret) mvmvif->bf_data.bf_enabled = false; return ret; @@ -907,7 +897,7 @@ int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, struct ieee80211_vif *vif, u32 flags) { - return _iwl_mvm_disable_beacon_filter(mvm, vif, flags, false); + return _iwl_mvm_disable_beacon_filter(mvm, vif, flags); } static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm) @@ -950,7 +940,7 @@ static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm, if (!mvmvif->bf_data.bf_enabled) return 0; - if (mvm->fwrt.cur_fw_img == IWL_UCODE_WOWLAN) + if (test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status)) cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3); mvmvif->bf_data.ba_enabled = !(!mvmvif->pm_enabled || @@ -958,7 +948,7 @@ static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm, !vif->bss_conf.ps || iwl_mvm_vif_low_latency(mvmvif)); - return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false); + return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0); } int iwl_mvm_power_update_ps(struct iwl_mvm *mvm) @@ -1022,58 +1012,3 @@ int iwl_mvm_power_update_mac(struct iwl_mvm *mvm) return 0; } - -int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - bool enable, u32 flags) -{ - int ret; - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - struct iwl_mac_power_cmd cmd = {}; - - if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) - return 0; - - if (!vif->bss_conf.assoc) - return 0; - - iwl_mvm_power_build_cmd(mvm, vif, &cmd, !enable); - - iwl_mvm_power_log(mvm, &cmd); -#ifdef CONFIG_IWLWIFI_DEBUGFS - memcpy(&mvmvif->mac_pwr_cmd, &cmd, sizeof(cmd)); -#endif - ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, flags, - sizeof(cmd), &cmd); - if (ret) - return ret; - - /* configure beacon filtering */ - if (mvmvif != mvm->bf_allowed_vif) - return 0; - - if (enable) { - struct iwl_beacon_filter_cmd cmd_bf = { - IWL_BF_CMD_CONFIG_D0I3, - .bf_enable_beacon_filter = cpu_to_le32(1), - }; - /* - * When beacon storing is supported - disable beacon filtering - * altogether - the latest beacon will be sent when exiting d0i3 - */ - if (fw_has_capa(&mvm->fw->ucode_capa, - IWL_UCODE_TLV_CAPA_BEACON_STORING)) - ret = _iwl_mvm_disable_beacon_filter(mvm, vif, flags, - true); - else - ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf, - flags, true); - } else { - if (mvmvif->bf_data.bf_enabled) - ret = iwl_mvm_enable_beacon_filter(mvm, vif, flags); - else - ret = iwl_mvm_disable_beacon_filter(mvm, vif, flags); - } - - return ret; -} diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c index 08b67812e94e..e2cf9e015ef8 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c @@ -193,7 +193,7 @@ rs_fw_vht_set_enabled_rates(const struct ieee80211_sta *sta, int i, highest_mcs; for (i = 0; i < sta->rx_nss; i++) { - if (i == MAX_NSS) + if (i == IWL_TLC_NSS_MAX) break; highest_mcs = rs_fw_vht_highest_rx_mcs_index(vht_cap, i + 1); @@ -204,9 +204,10 @@ rs_fw_vht_set_enabled_rates(const struct ieee80211_sta *sta, if (sta->bandwidth == IEEE80211_STA_RX_BW_20) supp &= ~BIT(IWL_TLC_MNG_HT_RATE_MCS9); - cmd->ht_rates[i][0] = cpu_to_le16(supp); + cmd->ht_rates[i][IWL_TLC_HT_BW_NONE_160] = cpu_to_le16(supp); if (sta->bandwidth == IEEE80211_STA_RX_BW_160) - cmd->ht_rates[i][1] = cmd->ht_rates[i][0]; + cmd->ht_rates[i][IWL_TLC_HT_BW_160] = + cmd->ht_rates[i][IWL_TLC_HT_BW_NONE_160]; } } @@ -241,7 +242,7 @@ rs_fw_he_set_enabled_rates(const struct ieee80211_sta *sta, le16_to_cpu(sband->iftype_data->he_cap.he_mcs_nss_supp.tx_mcs_160); int i; - for (i = 0; i < sta->rx_nss && i < MAX_NSS; i++) { + for (i = 0; i < sta->rx_nss && i < IWL_TLC_NSS_MAX; i++) { u16 _mcs_160 = (mcs_160 >> (2 * i)) & 0x3; u16 _mcs_80 = (mcs_80 >> (2 * i)) & 0x3; u16 _tx_mcs_160 = (tx_mcs_160 >> (2 * i)) & 0x3; @@ -255,7 +256,7 @@ rs_fw_he_set_enabled_rates(const struct ieee80211_sta *sta, } if (_mcs_80 > _tx_mcs_80) _mcs_80 = _tx_mcs_80; - cmd->ht_rates[i][0] = + cmd->ht_rates[i][IWL_TLC_HT_BW_NONE_160] = cpu_to_le16(rs_fw_he_ieee80211_mcs_to_rs_mcs(_mcs_80)); /* If one side doesn't support - mark both as not supporting */ @@ -266,7 +267,7 @@ rs_fw_he_set_enabled_rates(const struct ieee80211_sta *sta, } if (_mcs_160 > _tx_mcs_160) _mcs_160 = _tx_mcs_160; - cmd->ht_rates[i][1] = + cmd->ht_rates[i][IWL_TLC_HT_BW_160] = cpu_to_le16(rs_fw_he_ieee80211_mcs_to_rs_mcs(_mcs_160)); } } @@ -300,8 +301,10 @@ static void rs_fw_set_supp_rates(struct ieee80211_sta *sta, rs_fw_vht_set_enabled_rates(sta, vht_cap, cmd); } else if (ht_cap->ht_supported) { cmd->mode = IWL_TLC_MNG_MODE_HT; - cmd->ht_rates[0][0] = cpu_to_le16(ht_cap->mcs.rx_mask[0]); - cmd->ht_rates[1][0] = cpu_to_le16(ht_cap->mcs.rx_mask[1]); + cmd->ht_rates[IWL_TLC_NSS_1][IWL_TLC_HT_BW_NONE_160] = + cpu_to_le16(ht_cap->mcs.rx_mask[0]); + cmd->ht_rates[IWL_TLC_NSS_2][IWL_TLC_HT_BW_NONE_160] = + cpu_to_le16(ht_cap->mcs.rx_mask[1]); } } @@ -338,16 +341,24 @@ void iwl_mvm_tlc_update_notif(struct iwl_mvm *mvm, lq_sta = &mvmsta->lq_sta.rs_fw; if (flags & IWL_TLC_NOTIF_FLAG_RATE) { + char pretty_rate[100]; lq_sta->last_rate_n_flags = le32_to_cpu(notif->rate); - IWL_DEBUG_RATE(mvm, "new rate_n_flags: 0x%X\n", - lq_sta->last_rate_n_flags); + rs_pretty_print_rate(pretty_rate, sizeof(pretty_rate), + lq_sta->last_rate_n_flags); + IWL_DEBUG_RATE(mvm, "new rate: %s\n", pretty_rate); } if (flags & IWL_TLC_NOTIF_FLAG_AMSDU && !mvmsta->orig_amsdu_len) { u16 size = le32_to_cpu(notif->amsdu_size); int i; - if (WARN_ON(sta->max_amsdu_len < size)) + /* + * In debug sta->max_amsdu_len < size + * so also check with orig_amsdu_len which holds the original + * data before debugfs changed the value + */ + if (WARN_ON(sta->max_amsdu_len < size && + mvmsta->orig_amsdu_len < size)) goto out; mvmsta->amsdu_enabled = le32_to_cpu(notif->amsdu_enabled); @@ -375,7 +386,7 @@ out: rcu_read_unlock(); } -static u16 rs_fw_get_max_amsdu_len(struct ieee80211_sta *sta) +u16 rs_fw_get_max_amsdu_len(struct ieee80211_sta *sta) { const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap; const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c index d3f04acfbacb..1a990ed9c3ca 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c @@ -1533,6 +1533,8 @@ static void rs_set_amsdu_len(struct iwl_mvm *mvm, struct ieee80211_sta *sta, struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); int i; + sta->max_amsdu_len = rs_fw_get_max_amsdu_len(sta); + /* * In case TLC offload is not active amsdu_enabled is either 0xFFFF * or 0, since there is no per-TID alg. @@ -3079,11 +3081,7 @@ static void __iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta.rs_drv; - /* Treat uninitialized rate scaling data same as non-existing. */ - if (!lq_sta) { - IWL_DEBUG_RATE(mvm, "Station rate scaling not created yet.\n"); - return; - } else if (!lq_sta->pers.drv) { + if (!lq_sta->pers.drv) { IWL_DEBUG_RATE(mvm, "Rate scaling not initialized yet.\n"); return; } @@ -3342,7 +3340,7 @@ static void rs_build_rates_table_from_fixed(struct iwl_mvm *mvm, if (num_of_ant(ant) == 1) lq_cmd->single_stream_ant_msk = ant; - if (!mvm->trans->cfg->gen2) + if (!mvm->trans->trans_cfg->gen2) lq_cmd->agg_frame_cnt_limit = LINK_QUAL_AGG_FRAME_LIMIT_DEF; else lq_cmd->agg_frame_cnt_limit = @@ -3687,7 +3685,6 @@ static void rs_free_sta(void *mvm_r, struct ieee80211_sta *sta, void *mvm_sta) IWL_DEBUG_RATE(mvm, "leave\n"); } -#ifdef CONFIG_MAC80211_DEBUGFS int rs_pretty_print_rate(char *buf, int bufsz, const u32 rate) { @@ -3743,14 +3740,15 @@ int rs_pretty_print_rate(char *buf, int bufsz, const u32 rate) } return scnprintf(buf, bufsz, - "%s | ANT: %s BW: %s MCS: %d NSS: %d %s%s%s%s\n", - type, rs_pretty_ant(ant), bw, mcs, nss, + "0x%x: %s | ANT: %s BW: %s MCS: %d NSS: %d %s%s%s%s\n", + rate, type, rs_pretty_ant(ant), bw, mcs, nss, (rate & RATE_MCS_SGI_MSK) ? "SGI " : "NGI ", (rate & RATE_MCS_STBC_MSK) ? "STBC " : "", (rate & RATE_MCS_LDPC_MSK) ? "LDPC " : "", (rate & RATE_MCS_BF_MSK) ? "BF " : ""); } +#ifdef CONFIG_MAC80211_DEBUGFS /** * Program the device to use fixed rate for frame transmit * This is for debugging/testing only @@ -4127,10 +4125,6 @@ static void rs_drv_add_sta_debugfs(void *mvm, void *priv_sta, MVM_DEBUGFS_ADD_FILE_RS(ss_force, dir, 0600); } - -void rs_remove_sta_debugfs(void *mvm, void *mvm_sta) -{ -} #endif /* @@ -4158,7 +4152,6 @@ static const struct rate_control_ops rs_mvm_ops_drv = { .rate_update = rs_drv_rate_update, #ifdef CONFIG_MAC80211_DEBUGFS .add_sta_debugfs = rs_drv_add_sta_debugfs, - .remove_sta_debugfs = rs_remove_sta_debugfs, #endif .capa = RATE_CTRL_CAPA_VHT_EXT_NSS_BW, }; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h index 428642e66658..32104c9f8f5e 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h @@ -445,10 +445,6 @@ int iwl_mvm_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta, void iwl_mvm_reset_frame_stats(struct iwl_mvm *mvm); #endif -#ifdef CONFIG_MAC80211_DEBUGFS -void rs_remove_sta_debugfs(void *mvm, void *mvm_sta); -#endif - void iwl_mvm_rs_add_sta(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta); void rs_fw_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, enum nl80211_band band, bool update); @@ -456,4 +452,6 @@ int rs_fw_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta, bool enable); void iwl_mvm_tlc_update_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); + +u16 rs_fw_get_max_amsdu_len(struct ieee80211_sta *sta); #endif /* __rs__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c index 160b0db27103..5ee33c8ae9d2 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c @@ -8,6 +8,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 - 2019 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -29,6 +30,8 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH + * Copyright(c) 2016 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 - 2019 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -57,6 +60,7 @@ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *****************************************************************************/ +#include <asm/unaligned.h> #include <linux/etherdevice.h> #include <linux/skbuff.h> #include "iwl-trans.h" @@ -349,13 +353,12 @@ void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi, u32 rate_n_flags; u32 rx_pkt_status; u8 crypt_len = 0; - bool take_ref; phy_info = &mvm->last_phy_info; rx_res = (struct iwl_rx_mpdu_res_start *)pkt->data; hdr = (struct ieee80211_hdr *)(pkt->data + sizeof(*rx_res)); len = le16_to_cpu(rx_res->byte_count); - rx_pkt_status = le32_to_cpup((__le32 *) + rx_pkt_status = get_unaligned_le32((__le32 *) (pkt->data + sizeof(*rx_res) + len)); /* Dont use dev_alloc_skb(), we'll have enough headroom once @@ -557,22 +560,8 @@ void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi, ieee80211_is_probe_resp(hdr->frame_control))) rx_status->boottime_ns = ktime_get_boottime_ns(); - /* Take a reference briefly to kick off a d0i3 entry delay so - * we can handle bursts of RX packets without toggling the - * state too often. But don't do this for beacons if we are - * going to idle because the beacon filtering changes we make - * cause the firmware to send us collateral beacons. */ - take_ref = !(test_bit(STATUS_TRANS_GOING_IDLE, &mvm->trans->status) && - ieee80211_is_beacon(hdr->frame_control)); - - if (take_ref) - iwl_mvm_ref(mvm, IWL_MVM_REF_RX); - iwl_mvm_pass_packet_to_mac80211(mvm, sta, napi, skb, hdr, len, crypt_len, rxb); - - if (take_ref) - iwl_mvm_unref(mvm, IWL_MVM_REF_RX); } struct iwl_mvm_stat_data { diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index 854edd7d7103..c15f7dbc9516 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -23,7 +23,7 @@ * in the file called COPYING. * * Contact Information: - * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Linux Wireless <linuxwifi@intel.com> * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * * BSD LICENSE @@ -349,7 +349,7 @@ static int iwl_mvm_rx_crypto(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr, !(status & IWL_RX_MPDU_RES_STATUS_TTAK_OK)) return 0; - if (mvm->trans->cfg->gen2 && + if (mvm->trans->trans_cfg->gen2 && !(status & RX_MPDU_RES_STATUS_MIC_OK)) stats->flag |= RX_FLAG_MMIC_ERROR; @@ -366,7 +366,7 @@ static int iwl_mvm_rx_crypto(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr, if (pkt_flags & FH_RSCSR_RADA_EN) { stats->flag |= RX_FLAG_ICV_STRIPPED; - if (mvm->trans->cfg->gen2) + if (mvm->trans->trans_cfg->gen2) stats->flag |= RX_FLAG_MMIC_STRIPPED; } @@ -377,8 +377,16 @@ static int iwl_mvm_rx_crypto(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr, stats->flag |= RX_FLAG_DECRYPTED; return 0; default: - /* Expected in monitor (not having the keys) */ - if (!mvm->monitor_on) + /* + * Sometimes we can get frames that were not decrypted + * because the firmware didn't have the keys yet. This can + * happen after connection where we can get multicast frames + * before the GTK is installed. + * Silently drop those frames. + * Also drop un-decrypted frames in monitor mode. + */ + if (!is_multicast_ether_addr(hdr->addr1) && + !mvm->monitor_on && net_ratelimit()) IWL_ERR(mvm, "Unhandled alg: 0x%x\n", status); } @@ -506,14 +514,17 @@ static bool iwl_mvm_is_sn_less(u16 sn1, u16 sn2, u16 buffer_size) static void iwl_mvm_sync_nssn(struct iwl_mvm *mvm, u8 baid, u16 nssn) { - struct iwl_mvm_rss_sync_notif notif = { - .metadata.type = IWL_MVM_RXQ_NSSN_SYNC, - .metadata.sync = 0, - .nssn_sync.baid = baid, - .nssn_sync.nssn = nssn, - }; - - iwl_mvm_sync_rx_queues_internal(mvm, (void *)¬if, sizeof(notif)); + if (IWL_MVM_USE_NSSN_SYNC) { + struct iwl_mvm_rss_sync_notif notif = { + .metadata.type = IWL_MVM_RXQ_NSSN_SYNC, + .metadata.sync = 0, + .nssn_sync.baid = baid, + .nssn_sync.nssn = nssn, + }; + + iwl_mvm_sync_rx_queues_internal(mvm, (void *)¬if, + sizeof(notif)); + } } #define RX_REORDER_BUF_TIMEOUT_MQ (HZ / 10) @@ -781,6 +792,55 @@ void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct napi_struct *napi, wake_up(&mvm->rx_sync_waitq); } +static void iwl_mvm_oldsn_workaround(struct iwl_mvm *mvm, + struct ieee80211_sta *sta, int tid, + struct iwl_mvm_reorder_buffer *buffer, + u32 reorder, u32 gp2, int queue) +{ + struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); + + if (gp2 != buffer->consec_oldsn_ampdu_gp2) { + /* we have a new (A-)MPDU ... */ + + /* + * reset counter to 0 if we didn't have any oldsn in + * the last A-MPDU (as detected by GP2 being identical) + */ + if (!buffer->consec_oldsn_prev_drop) + buffer->consec_oldsn_drops = 0; + + /* either way, update our tracking state */ + buffer->consec_oldsn_ampdu_gp2 = gp2; + } else if (buffer->consec_oldsn_prev_drop) { + /* + * tracking state didn't change, and we had an old SN + * indication before - do nothing in this case, we + * already noted this one down and are waiting for the + * next A-MPDU (by GP2) + */ + return; + } + + /* return unless this MPDU has old SN */ + if (!(reorder & IWL_RX_MPDU_REORDER_BA_OLD_SN)) + return; + + /* update state */ + buffer->consec_oldsn_prev_drop = 1; + buffer->consec_oldsn_drops++; + + /* if limit is reached, send del BA and reset state */ + if (buffer->consec_oldsn_drops == IWL_MVM_AMPDU_CONSEC_DROPS_DELBA) { + IWL_WARN(mvm, + "reached %d old SN frames from %pM on queue %d, stopping BA session on TID %d\n", + IWL_MVM_AMPDU_CONSEC_DROPS_DELBA, + sta->addr, queue, tid); + ieee80211_stop_rx_ba_session(mvmsta->vif, BIT(tid), sta->addr); + buffer->consec_oldsn_prev_drop = 0; + buffer->consec_oldsn_drops = 0; + } +} + /* * Returns true if the MPDU was buffered\dropped, false if it should be passed * to upper layer. @@ -792,6 +852,7 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm, struct sk_buff *skb, struct iwl_rx_mpdu_desc *desc) { + struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb); struct ieee80211_hdr *hdr = iwl_mvm_skb_get_hdr(skb); struct iwl_mvm_sta *mvm_sta; struct iwl_mvm_baid_data *baid_data; @@ -894,6 +955,9 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm, min_sn, IWL_MVM_RELEASE_SEND_RSS_SYNC); } + iwl_mvm_oldsn_workaround(mvm, sta, tid, buffer, reorder, + rx_status->device_timestamp, queue); + /* drop any oudated packets */ if (ieee80211_sn_less(sn, buffer->head_sn)) goto drop; @@ -1481,6 +1545,19 @@ static void iwl_mvm_decode_lsig(struct sk_buff *skb, } } +static inline u8 iwl_mvm_nl80211_band_from_rx_msdu(u8 phy_band) +{ + switch (phy_band) { + case PHY_BAND_24: + return NL80211_BAND_2GHZ; + case PHY_BAND_5: + return NL80211_BAND_5GHZ; + default: + WARN_ONCE(1, "Unsupported phy band (%u)\n", phy_band); + return NL80211_BAND_5GHZ; + } +} + void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, struct iwl_rx_cmd_buffer *rxb, int queue) { @@ -1504,7 +1581,7 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, if (unlikely(test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))) return; - if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) { + if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) { rate_n_flags = le32_to_cpu(desc->v3.rate_n_flags); channel = desc->v3.channel; gp2_on_air_rise = le32_to_cpu(desc->v3.gp2_on_air_rise); @@ -1605,7 +1682,8 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, if (likely(!(phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD))) { u64 tsf_on_air_rise; - if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) + if (mvm->trans->trans_cfg->device_family >= + IWL_DEVICE_FAMILY_AX210) tsf_on_air_rise = le64_to_cpu(desc->v3.tsf_on_air_rise); else tsf_on_air_rise = le64_to_cpu(desc->v1.tsf_on_air_rise); @@ -1616,8 +1694,14 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, } rx_status->device_timestamp = gp2_on_air_rise; - rx_status->band = channel > 14 ? NL80211_BAND_5GHZ : - NL80211_BAND_2GHZ; + if (iwl_mvm_is_band_in_rx_supported(mvm)) { + u8 band = BAND_IN_RX_STATUS(desc->mac_phy_idx); + + rx_status->band = iwl_mvm_nl80211_band_from_rx_msdu(band); + } else { + rx_status->band = channel > 14 ? NL80211_BAND_5GHZ : + NL80211_BAND_2GHZ; + } rx_status->freq = ieee80211_channel_to_frequency(channel, rx_status->band); iwl_mvm_get_signal_strength(mvm, rx_status, rate_n_flags, energy_a, @@ -1731,7 +1815,7 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, *qc &= ~IEEE80211_QOS_CTL_A_MSDU_PRESENT; - if (mvm->trans->cfg->device_family == + if (mvm->trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_9000) { iwl_mvm_flip_address(hdr->addr3); @@ -1960,3 +2044,42 @@ void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, le16_to_cpu(release->nssn), queue, 0); } + +void iwl_mvm_rx_bar_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, + struct iwl_rx_cmd_buffer *rxb, int queue) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_bar_frame_release *release = (void *)pkt->data; + unsigned int baid = le32_get_bits(release->ba_info, + IWL_BAR_FRAME_RELEASE_BAID_MASK); + unsigned int nssn = le32_get_bits(release->ba_info, + IWL_BAR_FRAME_RELEASE_NSSN_MASK); + unsigned int sta_id = le32_get_bits(release->sta_tid, + IWL_BAR_FRAME_RELEASE_STA_MASK); + unsigned int tid = le32_get_bits(release->sta_tid, + IWL_BAR_FRAME_RELEASE_TID_MASK); + struct iwl_mvm_baid_data *baid_data; + + if (WARN_ON_ONCE(baid == IWL_RX_REORDER_DATA_INVALID_BAID || + baid >= ARRAY_SIZE(mvm->baid_map))) + return; + + rcu_read_lock(); + baid_data = rcu_dereference(mvm->baid_map[baid]); + if (!baid_data) { + IWL_DEBUG_RX(mvm, + "Got valid BAID %d but not allocated, invalid BAR release!\n", + baid); + goto out; + } + + if (WARN(tid != baid_data->tid || sta_id != baid_data->sta_id, + "baid 0x%x is mapped to sta:%d tid:%d, but BAR release received for sta:%d tid:%d\n", + baid, baid_data->sta_id, baid_data->tid, sta_id, + tid)) + goto out; + + iwl_mvm_release_frames_from_notif(mvm, napi, baid, nssn, queue, 0); +out: + rcu_read_unlock(); +} diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c index c284e6975b1b..3b263c81bcae 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c @@ -77,7 +77,7 @@ #define IWL_SCAN_DWELL_FRAGMENTED 44 #define IWL_SCAN_DWELL_EXTENDED 90 #define IWL_SCAN_NUM_OF_FRAGS 3 - +#define IWL_SCAN_LAST_2_4_CHN 14 /* adaptive dwell max budget time [TU] for full scan */ #define IWL_SCAN_ADWELL_MAX_BUDGET_FULL_SCAN 300 @@ -89,6 +89,10 @@ #define IWL_SCAN_ADWELL_DEFAULT_LB_N_APS 2 /* adaptive dwell default APs number in social channels (1, 6, 11) */ #define IWL_SCAN_ADWELL_DEFAULT_N_APS_SOCIAL 10 +/* number of scan channels */ +#define IWL_SCAN_NUM_CHANNELS 112 +/* adaptive dwell default number of APs override */ +#define IWL_SCAN_ADWELL_DEFAULT_N_APS_OVERRIDE 10 struct iwl_mvm_scan_timing_params { u32 suspend_time; @@ -193,14 +197,6 @@ static inline __le16 iwl_mvm_scan_rx_chain(struct iwl_mvm *mvm) return cpu_to_le16(rx_chain); } -static __le32 iwl_mvm_scan_rxon_flags(enum nl80211_band band) -{ - if (band == NL80211_BAND_2GHZ) - return cpu_to_le32(PHY_BAND_24); - else - return cpu_to_le32(PHY_BAND_5); -} - static inline __le32 iwl_mvm_scan_rate_n_flags(struct iwl_mvm *mvm, enum nl80211_band band, bool no_cck) @@ -512,7 +508,6 @@ void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm, mvm->scan_status &= ~IWL_MVM_SCAN_REGULAR; ieee80211_scan_completed(mvm->hw, &info); - iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); cancel_delayed_work(&mvm->scan_timeout_dwork); iwl_mvm_resume_tcm(mvm); } else { @@ -548,6 +543,7 @@ static void iwl_scan_build_ssids(struct iwl_mvm_scan_params *params, { int i, j; int index; + u32 tmp_bitmap = 0; /* * copy SSIDs from match list. @@ -567,7 +563,6 @@ static void iwl_scan_build_ssids(struct iwl_mvm_scan_params *params, } /* add SSIDs from scan SSID list */ - *ssid_bitmap = 0; for (j = params->n_ssids - 1; j >= 0 && i < PROBE_OPTION_MAX; i++, j--) { @@ -579,11 +574,13 @@ static void iwl_scan_build_ssids(struct iwl_mvm_scan_params *params, ssids[i].len = params->ssids[j].ssid_len; memcpy(ssids[i].ssid, params->ssids[j].ssid, ssids[i].len); - *ssid_bitmap |= BIT(i); + tmp_bitmap |= BIT(i); } else { - *ssid_bitmap |= BIT(index); + tmp_bitmap |= BIT(index); } } + if (ssid_bitmap) + *ssid_bitmap = tmp_bitmap; } static int @@ -957,19 +954,29 @@ static int iwl_mvm_scan_lmac_flags(struct iwl_mvm *mvm, return flags; } +static void +iwl_mvm_scan_set_legacy_probe_req(struct iwl_scan_probe_req_v1 *p_req, + struct iwl_scan_probe_req *src_p_req) +{ + int i; + + p_req->mac_header = src_p_req->mac_header; + for (i = 0; i < SCAN_NUM_BAND_PROBE_DATA_V_1; i++) + p_req->band_data[i] = src_p_req->band_data[i]; + p_req->common_data = src_p_req->common_data; + memcpy(p_req->buf, src_p_req->buf, sizeof(p_req->buf)); +} + static int iwl_mvm_scan_lmac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct iwl_mvm_scan_params *params) { struct iwl_scan_req_lmac *cmd = mvm->scan_cmd; - struct iwl_scan_probe_req *preq = + struct iwl_scan_probe_req_v1 *preq = (void *)(cmd->data + sizeof(struct iwl_scan_channel_cfg_lmac) * mvm->fw->ucode_capa.n_scan_channels); u32 ssid_bitmap = 0; int i; - - lockdep_assert_held(&mvm->mutex); - - memset(cmd, 0, ksize(cmd)); + u8 band; if (WARN_ON(params->n_scan_plans > IWL_MAX_SCHED_SCAN_PLANS)) return -EINVAL; @@ -985,7 +992,8 @@ static int iwl_mvm_scan_lmac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, cmd->scan_flags = cpu_to_le32(iwl_mvm_scan_lmac_flags(mvm, params, vif)); - cmd->flags = iwl_mvm_scan_rxon_flags(params->channels[0]->band); + band = iwl_mvm_phy_band_from_nl80211(params->channels[0]->band); + cmd->flags = cpu_to_le32(band); cmd->filter_flags = cpu_to_le32(MAC_FILTER_ACCEPT_GRP | MAC_FILTER_IN_BEACON); iwl_mvm_scan_fill_tx_cmd(mvm, cmd->tx_cmd, params->no_cck); @@ -1031,7 +1039,7 @@ static int iwl_mvm_scan_lmac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, iwl_mvm_lmac_scan_cfg_channels(mvm, params->channels, params->n_channels, ssid_bitmap, cmd); - *preq = params->preq; + iwl_mvm_scan_set_legacy_probe_req(preq, ¶ms->preq); return 0; } @@ -1122,11 +1130,11 @@ static void iwl_mvm_fill_scan_config_v1(struct iwl_mvm *mvm, void *config, iwl_mvm_fill_channels(mvm, cfg->channel_array, max_channels); } -static void iwl_mvm_fill_scan_config(struct iwl_mvm *mvm, void *config, - u32 flags, u8 channel_flags, - u32 max_channels) +static void iwl_mvm_fill_scan_config_v2(struct iwl_mvm *mvm, void *config, + u32 flags, u8 channel_flags, + u32 max_channels) { - struct iwl_scan_config *cfg = config; + struct iwl_scan_config_v2 *cfg = config; cfg->flags = cpu_to_le32(flags); cfg->tx_chains = cpu_to_le32(iwl_mvm_get_valid_tx_ant(mvm)); @@ -1170,7 +1178,7 @@ static void iwl_mvm_fill_scan_config(struct iwl_mvm *mvm, void *config, iwl_mvm_fill_channels(mvm, cfg->channel_array, max_channels); } -int iwl_mvm_config_scan(struct iwl_mvm *mvm) +static int iwl_mvm_legacy_config_scan(struct iwl_mvm *mvm) { void *cfg; int ret, cmd_size; @@ -1202,7 +1210,7 @@ int iwl_mvm_config_scan(struct iwl_mvm *mvm) } if (iwl_mvm_cdb_scan_api(mvm)) - cmd_size = sizeof(struct iwl_scan_config); + cmd_size = sizeof(struct iwl_scan_config_v2); else cmd_size = sizeof(struct iwl_scan_config_v1); cmd_size += mvm->fw->ucode_capa.n_scan_channels; @@ -1239,8 +1247,8 @@ int iwl_mvm_config_scan(struct iwl_mvm *mvm) flags |= (iwl_mvm_is_scan_fragmented(hb_type)) ? SCAN_CONFIG_FLAG_SET_LMAC2_FRAGMENTED : SCAN_CONFIG_FLAG_CLEAR_LMAC2_FRAGMENTED; - iwl_mvm_fill_scan_config(mvm, cfg, flags, channel_flags, - num_channels); + iwl_mvm_fill_scan_config_v2(mvm, cfg, flags, channel_flags, + num_channels); } else { iwl_mvm_fill_scan_config_v1(mvm, cfg, flags, channel_flags, num_channels); @@ -1262,6 +1270,30 @@ int iwl_mvm_config_scan(struct iwl_mvm *mvm) return ret; } +int iwl_mvm_config_scan(struct iwl_mvm *mvm) +{ + struct iwl_scan_config cfg; + struct iwl_host_cmd cmd = { + .id = iwl_cmd_id(SCAN_CFG_CMD, IWL_ALWAYS_LONG_GROUP, 0), + .len[0] = sizeof(cfg), + .data[0] = &cfg, + .dataflags[0] = IWL_HCMD_DFL_NOCOPY, + }; + + if (!iwl_mvm_is_reduced_config_scan_supported(mvm)) + return iwl_mvm_legacy_config_scan(mvm); + + memset(&cfg, 0, sizeof(cfg)); + + cfg.bcast_sta_id = mvm->aux_sta.sta_id; + cfg.tx_chains = cpu_to_le32(iwl_mvm_get_valid_tx_ant(mvm)); + cfg.rx_chains = cpu_to_le32(iwl_mvm_scan_rx_ant(mvm)); + + IWL_DEBUG_SCAN(mvm, "Sending UMAC scan config\n"); + + return iwl_mvm_send_cmd(mvm, &cmd); +} + static int iwl_mvm_scan_uid_by_status(struct iwl_mvm *mvm, int status) { int i; @@ -1375,22 +1407,271 @@ static void iwl_mvm_scan_umac_dwell(struct iwl_mvm *mvm, cmd->ooc_priority = cpu_to_le32(IWL_SCAN_PRIORITY_EXT_2); } +static u32 iwl_mvm_scan_umac_ooc_priority(struct iwl_mvm_scan_params *params) +{ + return iwl_mvm_is_regular_scan(params) ? + IWL_SCAN_PRIORITY_EXT_6 : + IWL_SCAN_PRIORITY_EXT_2; +} + +static void +iwl_mvm_scan_umac_dwell_v10(struct iwl_mvm *mvm, + struct iwl_scan_general_params_v10 *general_params, + struct iwl_mvm_scan_params *params) +{ + struct iwl_mvm_scan_timing_params *timing, *hb_timing; + u8 active_dwell, passive_dwell; + + timing = &scan_timing[params->type]; + active_dwell = params->measurement_dwell ? + params->measurement_dwell : IWL_SCAN_DWELL_ACTIVE; + passive_dwell = params->measurement_dwell ? + params->measurement_dwell : IWL_SCAN_DWELL_PASSIVE; + + general_params->adwell_default_social_chn = + IWL_SCAN_ADWELL_DEFAULT_N_APS_SOCIAL; + general_params->adwell_default_2g = IWL_SCAN_ADWELL_DEFAULT_LB_N_APS; + general_params->adwell_default_5g = IWL_SCAN_ADWELL_DEFAULT_HB_N_APS; + + /* if custom max budget was configured with debugfs */ + if (IWL_MVM_ADWELL_MAX_BUDGET) + general_params->adwell_max_budget = + cpu_to_le16(IWL_MVM_ADWELL_MAX_BUDGET); + else if (params->ssids && params->ssids[0].ssid_len) + general_params->adwell_max_budget = + cpu_to_le16(IWL_SCAN_ADWELL_MAX_BUDGET_DIRECTED_SCAN); + else + general_params->adwell_max_budget = + cpu_to_le16(IWL_SCAN_ADWELL_MAX_BUDGET_FULL_SCAN); + + general_params->scan_priority = cpu_to_le32(IWL_SCAN_PRIORITY_EXT_6); + general_params->max_out_of_time[SCAN_LB_LMAC_IDX] = + cpu_to_le32(timing->max_out_time); + general_params->suspend_time[SCAN_LB_LMAC_IDX] = + cpu_to_le32(timing->suspend_time); + + hb_timing = &scan_timing[params->hb_type]; + + general_params->max_out_of_time[SCAN_HB_LMAC_IDX] = + cpu_to_le32(hb_timing->max_out_time); + general_params->suspend_time[SCAN_HB_LMAC_IDX] = + cpu_to_le32(hb_timing->suspend_time); + + general_params->active_dwell[SCAN_LB_LMAC_IDX] = active_dwell; + general_params->passive_dwell[SCAN_LB_LMAC_IDX] = passive_dwell; + general_params->active_dwell[SCAN_HB_LMAC_IDX] = active_dwell; + general_params->passive_dwell[SCAN_HB_LMAC_IDX] = passive_dwell; +} + +struct iwl_mvm_scan_channel_segment { + u8 start_idx; + u8 end_idx; + u8 first_channel_id; + u8 last_channel_id; + u8 channel_spacing_shift; + u8 band; +}; + +static const struct iwl_mvm_scan_channel_segment scan_channel_segments[] = { + { + .start_idx = 0, + .end_idx = 13, + .first_channel_id = 1, + .last_channel_id = 14, + .channel_spacing_shift = 0, + .band = PHY_BAND_24 + }, + { + .start_idx = 14, + .end_idx = 41, + .first_channel_id = 36, + .last_channel_id = 144, + .channel_spacing_shift = 2, + .band = PHY_BAND_5 + }, + { + .start_idx = 42, + .end_idx = 50, + .first_channel_id = 149, + .last_channel_id = 181, + .channel_spacing_shift = 2, + .band = PHY_BAND_5 + }, +}; + +static int iwl_mvm_scan_ch_and_band_to_idx(u8 channel_id, u8 band) +{ + int i, index; + + if (!channel_id) + return -EINVAL; + + for (i = 0; i < ARRAY_SIZE(scan_channel_segments); i++) { + const struct iwl_mvm_scan_channel_segment *ch_segment = + &scan_channel_segments[i]; + u32 ch_offset; + + if (ch_segment->band != band || + ch_segment->first_channel_id > channel_id || + ch_segment->last_channel_id < channel_id) + continue; + + ch_offset = (channel_id - ch_segment->first_channel_id) >> + ch_segment->channel_spacing_shift; + + index = scan_channel_segments[i].start_idx + ch_offset; + if (index < IWL_SCAN_NUM_CHANNELS) + return index; + + break; + } + + return -EINVAL; +} + +static void iwl_mvm_scan_ch_add_n_aps_override(enum nl80211_iftype vif_type, + u8 ch_id, u8 band, u8 *ch_bitmap, + size_t bitmap_n_entries) +{ + int i; + static const u8 p2p_go_friendly_chs[] = { + 36, 40, 44, 48, 149, 153, 157, 161, 165, + }; + + if (vif_type != NL80211_IFTYPE_P2P_DEVICE) + return; + + for (i = 0; i < ARRAY_SIZE(p2p_go_friendly_chs); i++) { + if (p2p_go_friendly_chs[i] == ch_id) { + int ch_idx, bitmap_idx; + + ch_idx = iwl_mvm_scan_ch_and_band_to_idx(ch_id, band); + if (ch_idx < 0) + return; + + bitmap_idx = ch_idx / 8; + if (bitmap_idx >= bitmap_n_entries) + return; + + ch_idx = ch_idx % 8; + ch_bitmap[bitmap_idx] |= BIT(ch_idx); + + return; + } + } +} + static void iwl_mvm_umac_scan_cfg_channels(struct iwl_mvm *mvm, struct ieee80211_channel **channels, - int n_channels, u32 ssid_bitmap, + int n_channels, u32 flags, struct iwl_scan_channel_cfg_umac *channel_cfg) { int i; for (i = 0; i < n_channels; i++) { - channel_cfg[i].flags = cpu_to_le32(ssid_bitmap); - channel_cfg[i].channel_num = channels[i]->hw_value; - channel_cfg[i].iter_count = 1; - channel_cfg[i].iter_interval = 0; + channel_cfg[i].flags = cpu_to_le32(flags); + channel_cfg[i].v1.channel_num = channels[i]->hw_value; + if (iwl_mvm_is_scan_ext_chan_supported(mvm)) { + enum nl80211_band band = channels[i]->band; + + channel_cfg[i].v2.band = + iwl_mvm_phy_band_from_nl80211(band); + channel_cfg[i].v2.iter_count = 1; + channel_cfg[i].v2.iter_interval = 0; + } else { + channel_cfg[i].v1.iter_count = 1; + channel_cfg[i].v1.iter_interval = 0; + } + } +} + +static void +iwl_mvm_umac_scan_cfg_channels_v4(struct iwl_mvm *mvm, + struct ieee80211_channel **channels, + struct iwl_scan_channel_params_v4 *cp, + int n_channels, u32 flags, + enum nl80211_iftype vif_type) +{ + u8 *bitmap = cp->adwell_ch_override_bitmap; + size_t bitmap_n_entries = ARRAY_SIZE(cp->adwell_ch_override_bitmap); + int i; + + for (i = 0; i < n_channels; i++) { + enum nl80211_band band = channels[i]->band; + struct iwl_scan_channel_cfg_umac *cfg = + &cp->channel_config[i]; + + cfg->flags = cpu_to_le32(flags); + cfg->v2.channel_num = channels[i]->hw_value; + cfg->v2.band = iwl_mvm_phy_band_from_nl80211(band); + cfg->v2.iter_count = 1; + cfg->v2.iter_interval = 0; + + iwl_mvm_scan_ch_add_n_aps_override(vif_type, + cfg->v2.channel_num, + cfg->v2.band, bitmap, + bitmap_n_entries); } } +static u8 iwl_mvm_scan_umac_chan_flags_v2(struct iwl_mvm *mvm, + struct iwl_mvm_scan_params *params, + struct ieee80211_vif *vif) +{ + u8 flags = 0; + + flags |= IWL_SCAN_CHANNEL_FLAG_ENABLE_CHAN_ORDER; + + if (iwl_mvm_scan_use_ebs(mvm, vif)) + flags |= IWL_SCAN_CHANNEL_FLAG_EBS | + IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE | + IWL_SCAN_CHANNEL_FLAG_CACHE_ADD; + + /* set fragmented ebs for fragmented scan on HB channels */ + if (iwl_mvm_is_scan_fragmented(params->hb_type)) + flags |= IWL_SCAN_CHANNEL_FLAG_EBS_FRAG; + + return flags; +} + +static u16 iwl_mvm_scan_umac_flags_v2(struct iwl_mvm *mvm, + struct iwl_mvm_scan_params *params, + struct ieee80211_vif *vif, + int type) +{ + u16 flags = 0; + + if (params->n_ssids == 0) + flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_FORCE_PASSIVE; + + if (iwl_mvm_is_scan_fragmented(params->type)) + flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_FRAGMENTED_LMAC1; + + if (iwl_mvm_is_scan_fragmented(params->hb_type)) + flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_FRAGMENTED_LMAC2; + + if (params->pass_all) + flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_PASS_ALL; + else + flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_MATCH; + + if (!iwl_mvm_is_regular_scan(params)) + flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_PERIODIC; + + if (params->measurement_dwell || + mvm->sched_scan_pass_all == SCHED_SCAN_PASS_ALL_ENABLED) + flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_NTFY_ITER_COMPLETE; + + if (IWL_MVM_ADWELL_ENABLE) + flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_ADAPTIVE_DWELL; + + if (type == IWL_MVM_SCAN_SCHED || type == IWL_MVM_SCAN_NETDETECT) + flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_PREEMPTIVE; + + return flags; +} + static u16 iwl_mvm_scan_umac_flags(struct iwl_mvm *mvm, struct iwl_mvm_scan_params *params, struct ieee80211_vif *vif) @@ -1434,8 +1715,7 @@ static u16 iwl_mvm_scan_umac_flags(struct iwl_mvm *mvm, if (mvm->sched_scan_pass_all == SCHED_SCAN_PASS_ALL_ENABLED) flags |= IWL_UMAC_SCAN_GEN_FLAGS_ITER_COMPLETE; - if (iwl_mvm_is_adaptive_dwell_supported(mvm) && IWL_MVM_ADWELL_ENABLE && - vif->type != NL80211_IFTYPE_P2P_DEVICE) + if (iwl_mvm_is_adaptive_dwell_supported(mvm) && IWL_MVM_ADWELL_ENABLE) flags |= IWL_UMAC_SCAN_GEN_FLAGS_ADAPTIVE_DWELL; /* @@ -1470,17 +1750,53 @@ static u16 iwl_mvm_scan_umac_flags(struct iwl_mvm *mvm, return flags; } +static int +iwl_mvm_fill_scan_sched_params(struct iwl_mvm_scan_params *params, + struct iwl_scan_umac_schedule *schedule, + __le16 *delay) +{ + int i; + if (WARN_ON(!params->n_scan_plans || + params->n_scan_plans > IWL_MAX_SCHED_SCAN_PLANS)) + return -EINVAL; + + for (i = 0; i < params->n_scan_plans; i++) { + struct cfg80211_sched_scan_plan *scan_plan = + ¶ms->scan_plans[i]; + + schedule[i].iter_count = scan_plan->iterations; + schedule[i].interval = + cpu_to_le16(scan_plan->interval); + } + + /* + * If the number of iterations of the last scan plan is set to + * zero, it should run infinitely. However, this is not always the case. + * For example, when regular scan is requested the driver sets one scan + * plan with one iteration. + */ + if (!schedule[params->n_scan_plans - 1].iter_count) + schedule[params->n_scan_plans - 1].iter_count = 0xff; + + *delay = cpu_to_le16(params->delay); + + return 0; +} + static int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct iwl_mvm_scan_params *params, - int type) + int type, int uid) { struct iwl_scan_req_umac *cmd = mvm->scan_cmd; struct iwl_scan_umac_chan_param *chan_param; void *cmd_data = iwl_mvm_get_scan_req_umac_data(mvm); - struct iwl_scan_req_umac_tail *sec_part = cmd_data + - sizeof(struct iwl_scan_channel_cfg_umac) * - mvm->fw->ucode_capa.n_scan_channels; - int uid, i; + void *sec_part = cmd_data + sizeof(struct iwl_scan_channel_cfg_umac) * + mvm->fw->ucode_capa.n_scan_channels; + struct iwl_scan_req_umac_tail_v2 *tail_v2 = + (struct iwl_scan_req_umac_tail_v2 *)sec_part; + struct iwl_scan_req_umac_tail_v1 *tail_v1; + struct iwl_ssid_ie *direct_scan; + int ret = 0; u32 ssid_bitmap = 0; u8 channel_flags = 0; u16 gen_flags; @@ -1488,17 +1804,6 @@ static int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, chan_param = iwl_mvm_get_scan_req_umac_channel(mvm); - lockdep_assert_held(&mvm->mutex); - - if (WARN_ON(params->n_scan_plans > IWL_MAX_SCHED_SCAN_PLANS)) - return -EINVAL; - - uid = iwl_mvm_scan_uid_by_status(mvm, 0); - if (uid < 0) - return uid; - - memset(cmd, 0, ksize(cmd)); - iwl_mvm_scan_umac_dwell(mvm, cmd, params); mvm->scan_uid_status[uid] = type; @@ -1541,32 +1846,146 @@ static int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, chan_param->flags = channel_flags; chan_param->count = params->n_channels; - iwl_scan_build_ssids(params, sec_part->direct_scan, &ssid_bitmap); + ret = iwl_mvm_fill_scan_sched_params(params, tail_v2->schedule, + &tail_v2->delay); + if (ret) + return ret; + if (iwl_mvm_is_scan_ext_chan_supported(mvm)) { + tail_v2->preq = params->preq; + direct_scan = tail_v2->direct_scan; + } else { + tail_v1 = (struct iwl_scan_req_umac_tail_v1 *)sec_part; + iwl_mvm_scan_set_legacy_probe_req(&tail_v1->preq, + ¶ms->preq); + direct_scan = tail_v1->direct_scan; + } + iwl_scan_build_ssids(params, direct_scan, &ssid_bitmap); iwl_mvm_umac_scan_cfg_channels(mvm, params->channels, params->n_channels, ssid_bitmap, cmd_data); + return 0; +} - for (i = 0; i < params->n_scan_plans; i++) { - struct cfg80211_sched_scan_plan *scan_plan = - ¶ms->scan_plans[i]; +static void +iwl_mvm_scan_umac_fill_general_p_v10(struct iwl_mvm *mvm, + struct iwl_mvm_scan_params *params, + struct ieee80211_vif *vif, + struct iwl_scan_general_params_v10 *gp, + u16 gen_flags) +{ + struct iwl_mvm_vif *scan_vif = iwl_mvm_vif_from_mac80211(vif); - sec_part->schedule[i].iter_count = scan_plan->iterations; - sec_part->schedule[i].interval = - cpu_to_le16(scan_plan->interval); - } + iwl_mvm_scan_umac_dwell_v10(mvm, gp, params); - /* - * If the number of iterations of the last scan plan is set to - * zero, it should run infinitely. However, this is not always the case. - * For example, when regular scan is requested the driver sets one scan - * plan with one iteration. - */ - if (!sec_part->schedule[i - 1].iter_count) - sec_part->schedule[i - 1].iter_count = 0xff; + gp->flags = cpu_to_le16(gen_flags); + + if (gen_flags & IWL_UMAC_SCAN_GEN_FLAGS_V2_FRAGMENTED_LMAC1) + gp->num_of_fragments[SCAN_LB_LMAC_IDX] = IWL_SCAN_NUM_OF_FRAGS; + if (gen_flags & IWL_UMAC_SCAN_GEN_FLAGS_V2_FRAGMENTED_LMAC2) + gp->num_of_fragments[SCAN_HB_LMAC_IDX] = IWL_SCAN_NUM_OF_FRAGS; + + gp->scan_start_mac_id = scan_vif->id; +} + +static void +iwl_mvm_scan_umac_fill_probe_p_v3(struct iwl_mvm_scan_params *params, + struct iwl_scan_probe_params_v3 *pp) +{ + pp->preq = params->preq; + pp->ssid_num = params->n_ssids; + iwl_scan_build_ssids(params, pp->direct_scan, NULL); +} + +static void +iwl_mvm_scan_umac_fill_probe_p_v4(struct iwl_mvm_scan_params *params, + struct iwl_scan_probe_params_v4 *pp, + u32 *bitmap_ssid) +{ + pp->preq = params->preq; + iwl_scan_build_ssids(params, pp->direct_scan, bitmap_ssid); +} + +static void +iwl_mvm_scan_umac_fill_ch_p_v4(struct iwl_mvm *mvm, + struct iwl_mvm_scan_params *params, + struct ieee80211_vif *vif, + struct iwl_scan_channel_params_v4 *cp, + u32 channel_cfg_flags) +{ + cp->flags = iwl_mvm_scan_umac_chan_flags_v2(mvm, params, vif); + cp->count = params->n_channels; + cp->num_of_aps_override = IWL_SCAN_ADWELL_DEFAULT_N_APS_OVERRIDE; + + iwl_mvm_umac_scan_cfg_channels_v4(mvm, params->channels, cp, + params->n_channels, + channel_cfg_flags, + vif->type); +} + + +static int iwl_mvm_scan_umac_v12(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct iwl_mvm_scan_params *params, int type, + int uid) +{ + struct iwl_scan_req_umac_v12 *cmd = mvm->scan_cmd; + struct iwl_scan_req_params_v12 *scan_p = &cmd->scan_params; + int ret; + u16 gen_flags; + + mvm->scan_uid_status[uid] = type; + + cmd->ooc_priority = cpu_to_le32(iwl_mvm_scan_umac_ooc_priority(params)); + cmd->uid = cpu_to_le32(uid); + + gen_flags = iwl_mvm_scan_umac_flags_v2(mvm, params, vif, type); + iwl_mvm_scan_umac_fill_general_p_v10(mvm, params, vif, + &scan_p->general_params, + gen_flags); + + ret = iwl_mvm_fill_scan_sched_params(params, + scan_p->periodic_params.schedule, + &scan_p->periodic_params.delay); + if (ret) + return ret; - sec_part->delay = cpu_to_le16(params->delay); - sec_part->preq = params->preq; + iwl_mvm_scan_umac_fill_probe_p_v3(params, &scan_p->probe_params); + iwl_mvm_scan_umac_fill_ch_p_v4(mvm, params, vif, + &scan_p->channel_params, 0); + + return 0; +} + +static int iwl_mvm_scan_umac_v13(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct iwl_mvm_scan_params *params, int type, + int uid) +{ + struct iwl_scan_req_umac_v13 *cmd = mvm->scan_cmd; + struct iwl_scan_req_params_v13 *scan_p = &cmd->scan_params; + int ret; + u16 gen_flags; + u32 bitmap_ssid = 0; + + mvm->scan_uid_status[uid] = type; + + cmd->ooc_priority = cpu_to_le32(iwl_mvm_scan_umac_ooc_priority(params)); + cmd->uid = cpu_to_le32(uid); + + gen_flags = iwl_mvm_scan_umac_flags_v2(mvm, params, vif, type); + iwl_mvm_scan_umac_fill_general_p_v10(mvm, params, vif, + &scan_p->general_params, + gen_flags); + + ret = iwl_mvm_fill_scan_sched_params(params, + scan_p->periodic_params.schedule, + &scan_p->periodic_params.delay); + if (ret) + return ret; + + iwl_mvm_scan_umac_fill_probe_p_v4(params, &scan_p->probe_params, + &bitmap_ssid); + iwl_mvm_scan_umac_fill_ch_p_v4(mvm, params, vif, + &scan_p->channel_params, bitmap_ssid); return 0; } @@ -1673,6 +2092,63 @@ static void iwl_mvm_fill_scan_type(struct iwl_mvm *mvm, } } +struct iwl_scan_umac_handler { + u8 version; + int (*handler)(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct iwl_mvm_scan_params *params, int type, int uid); +}; + +#define IWL_SCAN_UMAC_HANDLER(_ver) { \ + .version = _ver, \ + .handler = iwl_mvm_scan_umac_v##_ver, \ +} + +static const struct iwl_scan_umac_handler iwl_scan_umac_handlers[] = { + /* set the newest version first to shorten the list traverse time */ + IWL_SCAN_UMAC_HANDLER(13), + IWL_SCAN_UMAC_HANDLER(12), +}; + +static int iwl_mvm_build_scan_cmd(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct iwl_host_cmd *hcmd, + struct iwl_mvm_scan_params *params, + int type) +{ + int uid, i; + u8 scan_ver; + + lockdep_assert_held(&mvm->mutex); + memset(mvm->scan_cmd, 0, ksize(mvm->scan_cmd)); + + if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { + hcmd->id = SCAN_OFFLOAD_REQUEST_CMD; + + return iwl_mvm_scan_lmac(mvm, vif, params); + } + + uid = iwl_mvm_scan_uid_by_status(mvm, 0); + if (uid < 0) + return uid; + + hcmd->id = iwl_cmd_id(SCAN_REQ_UMAC, IWL_ALWAYS_LONG_GROUP, 0); + + scan_ver = iwl_mvm_lookup_cmd_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP, + SCAN_REQ_UMAC); + + for (i = 0; i < ARRAY_SIZE(iwl_scan_umac_handlers); i++) { + const struct iwl_scan_umac_handler *ver_handler = + &iwl_scan_umac_handlers[i]; + + if (ver_handler->version != scan_ver) + continue; + + return ver_handler->handler(mvm, vif, params, type, uid); + } + + return iwl_mvm_scan_umac(mvm, vif, params, type, uid); +} + int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct cfg80211_scan_request *req, struct ieee80211_scan_ies *ies) @@ -1730,14 +2206,8 @@ int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, iwl_mvm_build_scan_probe(mvm, vif, ies, ¶ms); - if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { - hcmd.id = iwl_cmd_id(SCAN_REQ_UMAC, IWL_ALWAYS_LONG_GROUP, 0); - ret = iwl_mvm_scan_umac(mvm, vif, ¶ms, - IWL_MVM_SCAN_REGULAR); - } else { - hcmd.id = SCAN_OFFLOAD_REQUEST_CMD; - ret = iwl_mvm_scan_lmac(mvm, vif, ¶ms); - } + ret = iwl_mvm_build_scan_cmd(mvm, vif, &hcmd, ¶ms, + IWL_MVM_SCAN_REGULAR); if (ret) return ret; @@ -1758,7 +2228,6 @@ int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, IWL_DEBUG_SCAN(mvm, "Scan request was sent successfully\n"); mvm->scan_status |= IWL_MVM_SCAN_REGULAR; mvm->scan_vif = iwl_mvm_vif_from_mac80211(vif); - iwl_mvm_ref(mvm, IWL_MVM_REF_SCAN); schedule_delayed_work(&mvm->scan_timeout_dwork, msecs_to_jiffies(SCAN_TIMEOUT)); @@ -1836,13 +2305,7 @@ int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm, iwl_mvm_build_scan_probe(mvm, vif, ies, ¶ms); - if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { - hcmd.id = iwl_cmd_id(SCAN_REQ_UMAC, IWL_ALWAYS_LONG_GROUP, 0); - ret = iwl_mvm_scan_umac(mvm, vif, ¶ms, type); - } else { - hcmd.id = SCAN_OFFLOAD_REQUEST_CMD; - ret = iwl_mvm_scan_lmac(mvm, vif, ¶ms); - } + ret = iwl_mvm_build_scan_cmd(mvm, vif, &hcmd, ¶ms, type); if (ret) return ret; @@ -1884,7 +2347,6 @@ void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm, memcpy(info.tsf_bssid, mvm->scan_vif->bssid, ETH_ALEN); ieee80211_scan_completed(mvm->hw, &info); mvm->scan_vif = NULL; - iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); cancel_delayed_work(&mvm->scan_timeout_dwork); iwl_mvm_resume_tcm(mvm); } else if (mvm->scan_uid_status[uid] == IWL_MVM_SCAN_SCHED) { @@ -1909,8 +2371,6 @@ void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm, mvm->last_ebs_successful = false; mvm->scan_uid_status[uid] = 0; - - iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_SCAN_COMPLETE); } void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm, @@ -1996,9 +2456,30 @@ static int iwl_mvm_scan_stop_wait(struct iwl_mvm *mvm, int type) 1 * HZ); } +#define IWL_SCAN_REQ_UMAC_HANDLE_SIZE(_ver) { \ + case (_ver): return sizeof(struct iwl_scan_req_umac_v##_ver); \ +} + +static int iwl_scan_req_umac_get_size(u8 scan_ver) +{ + switch (scan_ver) { + IWL_SCAN_REQ_UMAC_HANDLE_SIZE(13); + IWL_SCAN_REQ_UMAC_HANDLE_SIZE(12); + } + + return 0; +} + int iwl_mvm_scan_size(struct iwl_mvm *mvm) { - int base_size = IWL_SCAN_REQ_UMAC_SIZE_V1; + int base_size, tail_size; + u8 scan_ver = iwl_mvm_lookup_cmd_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP, + SCAN_REQ_UMAC); + + base_size = iwl_scan_req_umac_get_size(scan_ver); + if (base_size) + return base_size; + if (iwl_mvm_is_adaptive_dwell_v2_supported(mvm)) base_size = IWL_SCAN_REQ_UMAC_SIZE_V8; @@ -2006,17 +2487,24 @@ int iwl_mvm_scan_size(struct iwl_mvm *mvm) base_size = IWL_SCAN_REQ_UMAC_SIZE_V7; else if (iwl_mvm_cdb_scan_api(mvm)) base_size = IWL_SCAN_REQ_UMAC_SIZE_V6; + else + base_size = IWL_SCAN_REQ_UMAC_SIZE_V1; + + if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { + if (iwl_mvm_is_scan_ext_chan_supported(mvm)) + tail_size = sizeof(struct iwl_scan_req_umac_tail_v2); + else + tail_size = sizeof(struct iwl_scan_req_umac_tail_v1); - if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) return base_size + sizeof(struct iwl_scan_channel_cfg_umac) * mvm->fw->ucode_capa.n_scan_channels + - sizeof(struct iwl_scan_req_umac_tail); - + tail_size; + } return sizeof(struct iwl_scan_req_lmac) + sizeof(struct iwl_scan_channel_cfg_lmac) * mvm->fw->ucode_capa.n_scan_channels + - sizeof(struct iwl_scan_probe_req); + sizeof(struct iwl_scan_probe_req_v1); } /* @@ -2099,10 +2587,6 @@ out: mvm->scan_status &= ~type; if (type == IWL_MVM_SCAN_REGULAR) { - /* Since the rx handler won't do anything now, we have - * to release the scan reference here. - */ - iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); cancel_delayed_work(&mvm->scan_timeout_dwork); if (notify) { struct cfg80211_scan_info info = { diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c index 10f18536dd0d..64ef3f3ba23b 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c @@ -67,14 +67,6 @@ #include "sta.h" #include "rs.h" -static int iwl_mvm_set_fw_key_idx(struct iwl_mvm *mvm); - -static int iwl_mvm_send_sta_key(struct iwl_mvm *mvm, - u32 sta_id, - struct ieee80211_key_conf *key, bool mcast, - u32 tkip_iv32, u16 *tkip_p1k, u32 cmd_flags, - u8 key_offset, bool mfp); - /* * New version of ADD_STA_sta command added new fields at the end of the * structure, so sending the size of the relevant API's structure is enough to @@ -1490,6 +1482,13 @@ static void iwl_mvm_realloc_queues_after_restart(struct iwl_mvm *mvm, mvm_sta->sta_id, i); txq_id = iwl_mvm_tvqm_enable_txq(mvm, mvm_sta->sta_id, i, wdg); + /* + * on failures, just set it to IWL_MVM_INVALID_QUEUE + * to try again later, we have no other good way of + * failing here + */ + if (txq_id < 0) + txq_id = IWL_MVM_INVALID_QUEUE; tid_data->txq_id = txq_id; /* @@ -1612,7 +1611,7 @@ int iwl_mvm_add_sta(struct iwl_mvm *mvm, mvm_sta->mac_id_n_color = FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color); mvm_sta->vif = vif; - if (!mvm->trans->cfg->gen2) + if (!mvm->trans->trans_cfg->gen2) mvm_sta->max_agg_bufsize = LINK_QUAL_AGG_FRAME_LIMIT_DEF; else mvm_sta->max_agg_bufsize = LINK_QUAL_AGG_FRAME_LIMIT_GEN2_DEF; @@ -1895,10 +1894,6 @@ int iwl_mvm_rm_sta(struct iwl_mvm *mvm, /* unassoc - go ahead - remove the AP STA now */ mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; - - /* clear d0i3_ap_sta_id if no longer relevant */ - if (mvm->d0i3_ap_sta_id == sta_id) - mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA; } /* @@ -1962,30 +1957,73 @@ void iwl_mvm_dealloc_int_sta(struct iwl_mvm *mvm, struct iwl_mvm_int_sta *sta) sta->sta_id = IWL_MVM_INVALID_STA; } -static void iwl_mvm_enable_aux_snif_queue(struct iwl_mvm *mvm, u16 *queue, +static void iwl_mvm_enable_aux_snif_queue(struct iwl_mvm *mvm, u16 queue, u8 sta_id, u8 fifo) { unsigned int wdg_timeout = iwlmvm_mod_params.tfd_q_hang_detect ? - mvm->cfg->base_params->wd_timeout : - IWL_WATCHDOG_DISABLED; + mvm->trans->trans_cfg->base_params->wd_timeout : + IWL_WATCHDOG_DISABLED; + struct iwl_trans_txq_scd_cfg cfg = { + .fifo = fifo, + .sta_id = sta_id, + .tid = IWL_MAX_TID_COUNT, + .aggregate = false, + .frame_limit = IWL_FRAME_LIMIT, + }; + + WARN_ON(iwl_mvm_has_new_tx_api(mvm)); + + iwl_mvm_enable_txq(mvm, NULL, queue, 0, &cfg, wdg_timeout); +} + +static int iwl_mvm_enable_aux_snif_queue_tvqm(struct iwl_mvm *mvm, u8 sta_id) +{ + unsigned int wdg_timeout = iwlmvm_mod_params.tfd_q_hang_detect ? + mvm->trans->trans_cfg->base_params->wd_timeout : + IWL_WATCHDOG_DISABLED; + + WARN_ON(!iwl_mvm_has_new_tx_api(mvm)); + return iwl_mvm_tvqm_enable_txq(mvm, sta_id, IWL_MAX_TID_COUNT, + wdg_timeout); +} + +static int iwl_mvm_add_int_sta_with_queue(struct iwl_mvm *mvm, int macidx, + int maccolor, + struct iwl_mvm_int_sta *sta, + u16 *queue, int fifo) +{ + int ret; + + /* Map queue to fifo - needs to happen before adding station */ + if (!iwl_mvm_has_new_tx_api(mvm)) + iwl_mvm_enable_aux_snif_queue(mvm, *queue, sta->sta_id, fifo); + + ret = iwl_mvm_add_int_sta_common(mvm, sta, NULL, macidx, maccolor); + if (ret) { + if (!iwl_mvm_has_new_tx_api(mvm)) + iwl_mvm_disable_txq(mvm, NULL, *queue, + IWL_MAX_TID_COUNT, 0); + return ret; + } + + /* + * For 22000 firmware and on we cannot add queue to a station unknown + * to firmware so enable queue here - after the station was added + */ if (iwl_mvm_has_new_tx_api(mvm)) { - int tvqm_queue = - iwl_mvm_tvqm_enable_txq(mvm, sta_id, - IWL_MAX_TID_COUNT, - wdg_timeout); - *queue = tvqm_queue; - } else { - struct iwl_trans_txq_scd_cfg cfg = { - .fifo = fifo, - .sta_id = sta_id, - .tid = IWL_MAX_TID_COUNT, - .aggregate = false, - .frame_limit = IWL_FRAME_LIMIT, - }; + int txq; + + txq = iwl_mvm_enable_aux_snif_queue_tvqm(mvm, sta->sta_id); + if (txq < 0) { + iwl_mvm_rm_sta_common(mvm, sta->sta_id); + return txq; + } - iwl_mvm_enable_txq(mvm, NULL, *queue, 0, &cfg, wdg_timeout); + *queue = txq; } + + return 0; } int iwl_mvm_add_aux_sta(struct iwl_mvm *mvm) @@ -2001,59 +2039,26 @@ int iwl_mvm_add_aux_sta(struct iwl_mvm *mvm) if (ret) return ret; - /* Map Aux queue to fifo - needs to happen before adding Aux station */ - if (!iwl_mvm_has_new_tx_api(mvm)) - iwl_mvm_enable_aux_snif_queue(mvm, &mvm->aux_queue, - mvm->aux_sta.sta_id, - IWL_MVM_TX_FIFO_MCAST); - - ret = iwl_mvm_add_int_sta_common(mvm, &mvm->aux_sta, NULL, - MAC_INDEX_AUX, 0); + ret = iwl_mvm_add_int_sta_with_queue(mvm, MAC_INDEX_AUX, 0, + &mvm->aux_sta, &mvm->aux_queue, + IWL_MVM_TX_FIFO_MCAST); if (ret) { iwl_mvm_dealloc_int_sta(mvm, &mvm->aux_sta); return ret; } - /* - * For 22000 firmware and on we cannot add queue to a station unknown - * to firmware so enable queue here - after the station was added - */ - if (iwl_mvm_has_new_tx_api(mvm)) - iwl_mvm_enable_aux_snif_queue(mvm, &mvm->aux_queue, - mvm->aux_sta.sta_id, - IWL_MVM_TX_FIFO_MCAST); - return 0; } int iwl_mvm_add_snif_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - int ret; lockdep_assert_held(&mvm->mutex); - /* Map snif queue to fifo - must happen before adding snif station */ - if (!iwl_mvm_has_new_tx_api(mvm)) - iwl_mvm_enable_aux_snif_queue(mvm, &mvm->snif_queue, - mvm->snif_sta.sta_id, - IWL_MVM_TX_FIFO_BE); - - ret = iwl_mvm_add_int_sta_common(mvm, &mvm->snif_sta, vif->addr, - mvmvif->id, 0); - if (ret) - return ret; - - /* - * For 22000 firmware and on we cannot add queue to a station unknown - * to firmware so enable queue here - after the station was added - */ - if (iwl_mvm_has_new_tx_api(mvm)) - iwl_mvm_enable_aux_snif_queue(mvm, &mvm->snif_queue, - mvm->snif_sta.sta_id, + return iwl_mvm_add_int_sta_with_queue(mvm, mvmvif->id, mvmvif->color, + &mvm->snif_sta, &mvm->snif_queue, IWL_MVM_TX_FIFO_BE); - - return 0; } int iwl_mvm_rm_snif_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) @@ -2145,6 +2150,10 @@ int iwl_mvm_send_add_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) queue = iwl_mvm_tvqm_enable_txq(mvm, bsta->sta_id, IWL_MAX_TID_COUNT, wdg_timeout); + if (queue < 0) { + iwl_mvm_rm_sta_common(mvm, bsta->sta_id); + return queue; + } if (vif->type == NL80211_IFTYPE_AP || vif->type == NL80211_IFTYPE_ADHOC) @@ -2319,10 +2328,8 @@ int iwl_mvm_add_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) } ret = iwl_mvm_add_int_sta_common(mvm, msta, maddr, mvmvif->id, mvmvif->color); - if (ret) { - iwl_mvm_dealloc_int_sta(mvm, msta); - return ret; - } + if (ret) + goto err; /* * Enable cab queue after the ADD_STA command is sent. @@ -2335,6 +2342,10 @@ int iwl_mvm_add_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) int queue = iwl_mvm_tvqm_enable_txq(mvm, msta->sta_id, 0, timeout); + if (queue < 0) { + ret = queue; + goto err; + } mvmvif->cab_queue = queue; } else if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) @@ -2342,6 +2353,9 @@ int iwl_mvm_add_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) timeout); return 0; +err: + iwl_mvm_dealloc_int_sta(mvm, msta); + return ret; } static int __iwl_mvm_remove_sta_key(struct iwl_mvm *mvm, u8 sta_id, @@ -2771,13 +2785,6 @@ int iwl_mvm_sta_tx_agg_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, spin_lock_bh(&mvmsta->lock); - /* possible race condition - we entered D0i3 while starting agg */ - if (test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status)) { - spin_unlock_bh(&mvmsta->lock); - IWL_ERR(mvm, "Entered D0i3 while starting Tx agg\n"); - return -EIO; - } - /* * Note the possible cases: * 1. An enabled TXQ - TXQ needs to become agg'ed @@ -2832,18 +2839,17 @@ int iwl_mvm_sta_tx_agg_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, * to align the wrap around of ssn so we compare relevant values. */ normalized_ssn = tid_data->ssn; - if (mvm->trans->cfg->gen2) + if (mvm->trans->trans_cfg->gen2) normalized_ssn &= 0xff; if (normalized_ssn == tid_data->next_reclaimed) { tid_data->state = IWL_AGG_STARTING; - ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); + ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; } else { tid_data->state = IWL_EMPTYING_HW_QUEUE_ADDBA; + ret = 0; } - ret = 0; - out: spin_unlock_bh(&mvmsta->lock); @@ -3314,6 +3320,10 @@ static int iwl_mvm_send_sta_igtk(struct iwl_mvm *mvm, igtk_cmd.sta_id = cpu_to_le32(sta_id); if (remove_key) { + /* This is a valid situation for IGTK */ + if (sta_id == IWL_MVM_INVALID_STA) + return 0; + igtk_cmd.ctrl_flags |= cpu_to_le32(STA_KEY_NOT_VALID); } else { struct ieee80211_key_seq seq; @@ -3568,9 +3578,9 @@ int iwl_mvm_remove_sta_key(struct iwl_mvm *mvm, IWL_DEBUG_WEP(mvm, "mvm remove dynamic key: idx=%d sta=%d\n", keyconf->keyidx, sta_id); - if (mvm_sta && (keyconf->cipher == WLAN_CIPHER_SUITE_AES_CMAC || - keyconf->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || - keyconf->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256)) + if (keyconf->cipher == WLAN_CIPHER_SUITE_AES_CMAC || + keyconf->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || + keyconf->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256) return iwl_mvm_send_sta_igtk(mvm, keyconf, sta_id, true); if (!__test_and_clear_bit(keyconf->hw_key_idx, mvm->fw_key_table)) { @@ -3872,7 +3882,7 @@ u16 iwl_mvm_tid_queued(struct iwl_mvm *mvm, struct iwl_mvm_tid_data *tid_data) * In 22000 HW, the next_reclaimed index is only 8 bit, so we'll need * to align the wrap around of ssn so we compare relevant values. */ - if (mvm->trans->cfg->gen2) + if (mvm->trans->trans_cfg->gen2) sn &= 0xff; return ieee80211_sn_sub(sn, tid_data->next_reclaimed); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tdls.c b/drivers/net/wireless/intel/iwlwifi/mvm/tdls.c index 9df21a8d1fc1..d781777b6b96 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tdls.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tdls.c @@ -205,19 +205,16 @@ void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw, struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); u32 duration = 2 * vif->bss_conf.dtim_period * vif->bss_conf.beacon_int; - /* - * iwl_mvm_protect_session() reads directly from the device - * (the system time), so make sure it is available. - */ - if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PROTECT_TDLS)) - return; - - mutex_lock(&mvm->mutex); /* Protect the session to hear the TDLS setup response on the channel */ - iwl_mvm_protect_session(mvm, vif, duration, duration, 100, true); + mutex_lock(&mvm->mutex); + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) + iwl_mvm_schedule_session_protection(mvm, vif, duration, + duration, true); + else + iwl_mvm_protect_session(mvm, vif, duration, + duration, 100, true); mutex_unlock(&mvm->mutex); - - iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_TDLS); } static const char * diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c index 4d34e5ab1bff..c0b420fe5e48 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c @@ -106,10 +106,8 @@ void iwl_mvm_roc_done_wk(struct work_struct *wk) * in the case that the time event actually completed in the firmware * (which is handled in iwl_mvm_te_handle_notif). */ - if (test_and_clear_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status)) - iwl_mvm_unref(mvm, IWL_MVM_REF_ROC); - if (test_and_clear_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) - iwl_mvm_unref(mvm, IWL_MVM_REF_ROC_AUX); + clear_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status); + clear_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status); synchronize_net(); @@ -357,7 +355,6 @@ static void iwl_mvm_te_handle_notif(struct iwl_mvm *mvm, if (te_data->vif->type == NL80211_IFTYPE_P2P_DEVICE) { set_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status); - iwl_mvm_ref(mvm, IWL_MVM_REF_ROC); ieee80211_ready_on_channel(mvm->hw); } else if (te_data->id == TE_CHANNEL_SWITCH_PERIOD) { iwl_mvm_te_handle_notify_csa(mvm, te_data, notif); @@ -405,7 +402,6 @@ static int iwl_mvm_aux_roc_te_handle_notif(struct iwl_mvm *mvm, } else if (le32_to_cpu(notif->action) == TE_V2_NOTIF_HOST_EVENT_START) { set_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status); te_data->running = true; - iwl_mvm_ref(mvm, IWL_MVM_REF_ROC_AUX); ieee80211_ready_on_channel(mvm->hw); /* Start TE */ } else { IWL_DEBUG_TE(mvm, @@ -738,6 +734,11 @@ void iwl_mvm_remove_time_event(struct iwl_mvm *mvm, return; } +/* + * When the firmware supports the session protection API, + * this is not needed since it'll automatically remove the + * session protection after association + beacon reception. + */ void iwl_mvm_stop_session_protection(struct iwl_mvm *mvm, struct ieee80211_vif *vif) { @@ -761,6 +762,101 @@ void iwl_mvm_stop_session_protection(struct iwl_mvm *mvm, iwl_mvm_remove_time_event(mvm, mvmvif, te_data); } +void iwl_mvm_rx_session_protect_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_mvm_session_prot_notif *notif = (void *)pkt->data; + struct ieee80211_vif *vif; + + rcu_read_lock(); + vif = iwl_mvm_rcu_dereference_vif_id(mvm, le32_to_cpu(notif->mac_id), + true); + + if (!vif) + goto out_unlock; + + /* The vif is not a P2P_DEVICE, maintain its time_event_data */ + if (vif->type != NL80211_IFTYPE_P2P_DEVICE) { + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm_time_event_data *te_data = + &mvmvif->time_event_data; + + if (!le32_to_cpu(notif->status)) { + iwl_mvm_te_check_disconnect(mvm, vif, + "Session protection failure"); + iwl_mvm_te_clear_data(mvm, te_data); + } + + if (le32_to_cpu(notif->start)) { + spin_lock_bh(&mvm->time_event_lock); + te_data->running = le32_to_cpu(notif->start); + te_data->end_jiffies = + TU_TO_EXP_TIME(te_data->duration); + spin_unlock_bh(&mvm->time_event_lock); + } else { + /* + * By now, we should have finished association + * and know the dtim period. + */ + iwl_mvm_te_check_disconnect(mvm, vif, + "No beacon heard and the session protection is over already..."); + iwl_mvm_te_clear_data(mvm, te_data); + } + + goto out_unlock; + } + + if (!le32_to_cpu(notif->status) || !le32_to_cpu(notif->start)) { + /* End TE, notify mac80211 */ + ieee80211_remain_on_channel_expired(mvm->hw); + set_bit(IWL_MVM_STATUS_NEED_FLUSH_P2P, &mvm->status); + iwl_mvm_roc_finished(mvm); + } else if (le32_to_cpu(notif->start)) { + set_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status); + ieee80211_ready_on_channel(mvm->hw); /* Start TE */ + } + + out_unlock: + rcu_read_unlock(); +} + +static int +iwl_mvm_start_p2p_roc_session_protection(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + int duration, + enum ieee80211_roc_type type) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm_session_prot_cmd cmd = { + .id_and_color = + cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, + mvmvif->color)), + .action = cpu_to_le32(FW_CTXT_ACTION_ADD), + .duration_tu = cpu_to_le32(MSEC_TO_TU(duration)), + }; + + lockdep_assert_held(&mvm->mutex); + + switch (type) { + case IEEE80211_ROC_TYPE_NORMAL: + cmd.conf_id = + cpu_to_le32(SESSION_PROTECT_CONF_P2P_DEVICE_DISCOV); + break; + case IEEE80211_ROC_TYPE_MGMT_TX: + cmd.conf_id = + cpu_to_le32(SESSION_PROTECT_CONF_P2P_GO_NEGOTIATION); + break; + default: + WARN_ONCE(1, "Got an invalid ROC type\n"); + return -EINVAL; + } + + return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(SESSION_PROTECTION_CMD, + MAC_CONF_GROUP, 0), + 0, sizeof(cmd), &cmd); +} + int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, int duration, enum ieee80211_roc_type type) { @@ -774,6 +870,12 @@ int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, return -EBUSY; } + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) + return iwl_mvm_start_p2p_roc_session_protection(mvm, vif, + duration, + type); + time_cmd.action = cpu_to_le32(FW_CTXT_ACTION_ADD); time_cmd.id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color)); @@ -851,11 +953,44 @@ void iwl_mvm_cleanup_roc_te(struct iwl_mvm *mvm) __iwl_mvm_remove_time_event(mvm, te_data, &uid); } -void iwl_mvm_stop_roc(struct iwl_mvm *mvm) +static void iwl_mvm_cancel_session_protection(struct iwl_mvm *mvm, + struct iwl_mvm_vif *mvmvif) +{ + struct iwl_mvm_session_prot_cmd cmd = { + .id_and_color = + cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, + mvmvif->color)), + .action = cpu_to_le32(FW_CTXT_ACTION_REMOVE), + }; + int ret; + + ret = iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(SESSION_PROTECTION_CMD, + MAC_CONF_GROUP, 0), + 0, sizeof(cmd), &cmd); + if (ret) + IWL_ERR(mvm, + "Couldn't send the SESSION_PROTECTION_CMD: %d\n", ret); +} + +void iwl_mvm_stop_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif) { struct iwl_mvm_vif *mvmvif; struct iwl_mvm_time_event_data *te_data; + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) { + mvmvif = iwl_mvm_vif_from_mac80211(vif); + + iwl_mvm_cancel_session_protection(mvm, mvmvif); + + if (vif->type == NL80211_IFTYPE_P2P_DEVICE) + set_bit(IWL_MVM_STATUS_NEED_FLUSH_P2P, &mvm->status); + + iwl_mvm_roc_finished(mvm); + + return; + } + te_data = iwl_mvm_get_roc_te(mvm); if (!te_data) { IWL_WARN(mvm, "No remain on channel event\n"); @@ -920,3 +1055,100 @@ int iwl_mvm_schedule_csa_period(struct iwl_mvm *mvm, return iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd); } + +static bool iwl_mvm_session_prot_notif(struct iwl_notif_wait_data *notif_wait, + struct iwl_rx_packet *pkt, void *data) +{ + struct iwl_mvm *mvm = + container_of(notif_wait, struct iwl_mvm, notif_wait); + struct iwl_mvm_session_prot_notif *resp; + int resp_len = iwl_rx_packet_payload_len(pkt); + + if (WARN_ON(pkt->hdr.cmd != SESSION_PROTECTION_NOTIF || + pkt->hdr.group_id != MAC_CONF_GROUP)) + return true; + + if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { + IWL_ERR(mvm, "Invalid SESSION_PROTECTION_NOTIF response\n"); + return true; + } + + resp = (void *)pkt->data; + + if (!resp->status) + IWL_ERR(mvm, + "TIME_EVENT_NOTIFICATION received but not executed\n"); + + return true; +} + +void iwl_mvm_schedule_session_protection(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + u32 duration, u32 min_duration, + bool wait_for_notif) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm_time_event_data *te_data = &mvmvif->time_event_data; + const u16 notif[] = { iwl_cmd_id(SESSION_PROTECTION_NOTIF, + MAC_CONF_GROUP, 0) }; + struct iwl_notification_wait wait_notif; + struct iwl_mvm_session_prot_cmd cmd = { + .id_and_color = + cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, + mvmvif->color)), + .action = cpu_to_le32(FW_CTXT_ACTION_ADD), + .conf_id = cpu_to_le32(SESSION_PROTECT_CONF_ASSOC), + .duration_tu = cpu_to_le32(MSEC_TO_TU(duration)), + }; + + lockdep_assert_held(&mvm->mutex); + + spin_lock_bh(&mvm->time_event_lock); + if (te_data->running && + time_after(te_data->end_jiffies, TU_TO_EXP_TIME(min_duration))) { + IWL_DEBUG_TE(mvm, "We have enough time in the current TE: %u\n", + jiffies_to_msecs(te_data->end_jiffies - jiffies)); + spin_unlock_bh(&mvm->time_event_lock); + + return; + } + + iwl_mvm_te_clear_data(mvm, te_data); + te_data->duration = le32_to_cpu(cmd.duration_tu); + spin_unlock_bh(&mvm->time_event_lock); + + IWL_DEBUG_TE(mvm, "Add new session protection, duration %d TU\n", + le32_to_cpu(cmd.duration_tu)); + + if (!wait_for_notif) { + if (iwl_mvm_send_cmd_pdu(mvm, + iwl_cmd_id(SESSION_PROTECTION_CMD, + MAC_CONF_GROUP, 0), + 0, sizeof(cmd), &cmd)) { + IWL_ERR(mvm, + "Couldn't send the SESSION_PROTECTION_CMD\n"); + spin_lock_bh(&mvm->time_event_lock); + iwl_mvm_te_clear_data(mvm, te_data); + spin_unlock_bh(&mvm->time_event_lock); + } + + return; + } + + iwl_init_notification_wait(&mvm->notif_wait, &wait_notif, + notif, ARRAY_SIZE(notif), + iwl_mvm_session_prot_notif, NULL); + + if (iwl_mvm_send_cmd_pdu(mvm, + iwl_cmd_id(SESSION_PROTECTION_CMD, + MAC_CONF_GROUP, 0), + 0, sizeof(cmd), &cmd)) { + IWL_ERR(mvm, + "Couldn't send the SESSION_PROTECTION_CMD\n"); + iwl_remove_notification(&mvm->notif_wait, &wait_notif); + } else if (iwl_wait_notification(&mvm->notif_wait, &wait_notif, + TU_TO_JIFFIES(100))) { + IWL_ERR(mvm, + "Failed to protect session until session protection\n"); + } +} diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.h b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.h index 1dd3d01245ea..3186d7e40567 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.h @@ -7,6 +7,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright (C) 2019 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -28,6 +29,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright (C) 2019 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -178,12 +180,13 @@ int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, /** * iwl_mvm_stop_roc - stop remain on channel functionality * @mvm: the mvm component + * @vif: the virtual interface for which the roc is stopped * * This function can be used to cancel an ongoing ROC session. * The function is async, it will instruct the FW to stop serving the ROC * session, but will not wait for the actual stopping of the session. */ -void iwl_mvm_stop_roc(struct iwl_mvm *mvm); +void iwl_mvm_stop_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif); /** * iwl_mvm_remove_time_event - general function to clean up of time event @@ -242,4 +245,22 @@ iwl_mvm_te_scheduled(struct iwl_mvm_time_event_data *te_data) return !!te_data->uid; } +/** + * iwl_mvm_schedule_session_protection - schedule a session protection + * @mvm: the mvm component + * @vif: the virtual interface for which the protection issued + * @duration: the duration of the protection + * @wait_for_notif: if true, will block until the start of the protection + */ +void iwl_mvm_schedule_session_protection(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + u32 duration, u32 min_duration, + bool wait_for_notif); + +/** + * iwl_mvm_rx_session_protect_notif - handles %SESSION_PROTECTION_NOTIF + */ +void iwl_mvm_rx_session_protect_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); + #endif /* __time_event_h__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c index 0b3e5c99d316..418e59b7c671 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c @@ -5,9 +5,10 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved. + * Copyright(c) 2013 - 2014, 2019 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH * Copyright(c) 2015 - 2016 Intel Deutschland GmbH + * Copyright(c) 2019 - 2020 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -27,9 +28,10 @@ * * BSD LICENSE * - * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. + * Copyright(c) 2012 - 2014, 2019 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH * Copyright(c) 2015 - 2016 Intel Deutschland GmbH + * Copyright(c) 2019 - 2020 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -232,7 +234,7 @@ static int iwl_mvm_get_temp_cmd(struct iwl_mvm *mvm) .flags = cpu_to_le32(DTS_TRIGGER_CMD_FLAGS_TEMP), }; struct iwl_ext_dts_measurement_cmd extcmd = { - .control_mode = cpu_to_le32(DTS_AUTOMATIC), + .control_mode = cpu_to_le32(DTS_DIRECT_WITHOUT_MEASURE), }; u32 cmdid; @@ -298,16 +300,8 @@ static void check_exit_ctkill(struct work_struct *work) if (__iwl_mvm_mac_start(mvm)) goto reschedule; - /* make sure the device is available for direct read/writes */ - if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_CHECK_CTKILL)) { - __iwl_mvm_mac_stop(mvm); - goto reschedule; - } - ret = iwl_mvm_get_temp(mvm, &temp); - iwl_mvm_unref(mvm, IWL_MVM_REF_CHECK_CTKILL); - __iwl_mvm_mac_stop(mvm); if (ret) @@ -490,26 +484,27 @@ static const struct iwl_tt_params iwl_mvm_default_tt_params = { /* budget in mWatt */ static const u32 iwl_mvm_cdev_budgets[] = { - 2000, /* cooling state 0 */ - 1800, /* cooling state 1 */ - 1600, /* cooling state 2 */ - 1400, /* cooling state 3 */ - 1200, /* cooling state 4 */ - 1000, /* cooling state 5 */ - 900, /* cooling state 6 */ - 800, /* cooling state 7 */ - 700, /* cooling state 8 */ - 650, /* cooling state 9 */ - 600, /* cooling state 10 */ - 550, /* cooling state 11 */ - 500, /* cooling state 12 */ - 450, /* cooling state 13 */ - 400, /* cooling state 14 */ - 350, /* cooling state 15 */ - 300, /* cooling state 16 */ - 250, /* cooling state 17 */ - 200, /* cooling state 18 */ - 150, /* cooling state 19 */ + 2400, /* cooling state 0 */ + 2000, /* cooling state 1 */ + 1800, /* cooling state 2 */ + 1600, /* cooling state 3 */ + 1400, /* cooling state 4 */ + 1200, /* cooling state 5 */ + 1000, /* cooling state 6 */ + 900, /* cooling state 7 */ + 800, /* cooling state 8 */ + 700, /* cooling state 9 */ + 650, /* cooling state 10 */ + 600, /* cooling state 11 */ + 550, /* cooling state 12 */ + 500, /* cooling state 13 */ + 450, /* cooling state 14 */ + 400, /* cooling state 15 */ + 350, /* cooling state 16 */ + 300, /* cooling state 17 */ + 250, /* cooling state 18 */ + 200, /* cooling state 19 */ + 150, /* cooling state 20 */ }; int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 state) @@ -563,16 +558,19 @@ static int compare_temps(const void *a, const void *b) return ((s16)le16_to_cpu(*(__le16 *)a) - (s16)le16_to_cpu(*(__le16 *)b)); } +#endif int iwl_mvm_send_temp_report_ths_cmd(struct iwl_mvm *mvm) { struct temp_report_ths_cmd cmd = {0}; - int ret, i, j, idx = 0; + int ret; +#ifdef CONFIG_THERMAL + int i, j, idx = 0; lockdep_assert_held(&mvm->mutex); if (!mvm->tz_device.tzone) - return -EINVAL; + goto send; /* The driver holds array of temperature trips that are unsorted * and uncompressed, the FW should get it compressed and sorted @@ -605,6 +603,7 @@ int iwl_mvm_send_temp_report_ths_cmd(struct iwl_mvm *mvm) } send: +#endif ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(PHY_OPS_GROUP, TEMP_REPORTING_THRESHOLDS_CMD), 0, sizeof(cmd), &cmd); @@ -615,6 +614,7 @@ send: return ret; } +#ifdef CONFIG_THERMAL static int iwl_mvm_tzone_get_temp(struct thermal_zone_device *device, int *temperature) { @@ -734,7 +734,8 @@ static struct thermal_zone_device_ops tzone_ops = { static void iwl_mvm_thermal_zone_register(struct iwl_mvm *mvm) { int i; - char name[] = "iwlwifi"; + char name[16]; + static atomic_t counter = ATOMIC_INIT(0); if (!iwl_mvm_is_tt_in_fw(mvm)) { mvm->tz_device.tzone = NULL; @@ -744,6 +745,7 @@ static void iwl_mvm_thermal_zone_register(struct iwl_mvm *mvm) BUILD_BUG_ON(ARRAY_SIZE(name) >= THERMAL_NAME_LENGTH); + sprintf(name, "iwlwifi_%u", atomic_inc_return(&counter) & 0xFF); mvm->tz_device.tzone = thermal_zone_device_register(name, IWL_MAX_DTS_TRIPS, IWL_WRITABLE_TRIPS_MSK, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index 6ac114a393cc..a8d0d17f79fd 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -341,8 +341,11 @@ static u32 iwl_mvm_get_tx_rate(struct iwl_mvm *mvm, rate_idx = rate_lowest_index( &mvm->nvm_data->bands[info->band], sta); - /* For 5 GHZ band, remap mac80211 rate indices into driver indices */ - if (info->band == NL80211_BAND_5GHZ) + /* + * For non 2 GHZ band, remap mac80211 rate + * indices into driver indices + */ + if (info->band != NL80211_BAND_2GHZ) rate_idx += IWL_FIRST_OFDM_RATE; /* For 2.4 GHZ band, check that there is no need to remap */ @@ -487,13 +490,13 @@ static void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm, /* * Allocates and sets the Tx cmd the driver data pointers in the skb */ -static struct iwl_device_cmd * +static struct iwl_device_tx_cmd * iwl_mvm_set_tx_params(struct iwl_mvm *mvm, struct sk_buff *skb, struct ieee80211_tx_info *info, int hdrlen, struct ieee80211_sta *sta, u8 sta_id) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; - struct iwl_device_cmd *dev_cmd; + struct iwl_device_tx_cmd *dev_cmd; struct iwl_tx_cmd *tx_cmd; dev_cmd = iwl_trans_alloc_tx_cmd(mvm->trans); @@ -501,11 +504,6 @@ iwl_mvm_set_tx_params(struct iwl_mvm *mvm, struct sk_buff *skb, if (unlikely(!dev_cmd)) return NULL; - /* Make sure we zero enough of dev_cmd */ - BUILD_BUG_ON(sizeof(struct iwl_tx_cmd_gen2) > sizeof(*tx_cmd)); - BUILD_BUG_ON(sizeof(struct iwl_tx_cmd_gen3) > sizeof(*tx_cmd)); - - memset(dev_cmd, 0, sizeof(dev_cmd->hdr) + sizeof(*tx_cmd)); dev_cmd->hdr.cmd = TX_CMD; if (iwl_mvm_has_new_tx_api(mvm)) { @@ -546,8 +544,8 @@ iwl_mvm_set_tx_params(struct iwl_mvm *mvm, struct sk_buff *skb, hdr->frame_control); } - if (mvm->trans->cfg->device_family >= - IWL_DEVICE_FAMILY_22560) { + if (mvm->trans->trans_cfg->device_family >= + IWL_DEVICE_FAMILY_AX210) { struct iwl_tx_cmd_gen3 *cmd = (void *)dev_cmd->payload; cmd->offload_assist |= cpu_to_le32(offload_assist); @@ -594,7 +592,7 @@ out: } static void iwl_mvm_skb_prepare_status(struct sk_buff *skb, - struct iwl_device_cmd *cmd) + struct iwl_device_tx_cmd *cmd) { struct ieee80211_tx_info *skb_info = IEEE80211_SKB_CB(skb); @@ -713,7 +711,7 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct ieee80211_tx_info info; - struct iwl_device_cmd *dev_cmd; + struct iwl_device_tx_cmd *dev_cmd; u8 sta_id; int hdrlen = ieee80211_hdrlen(hdr->frame_control); __le16 fc = hdr->frame_control; @@ -844,10 +842,7 @@ iwl_mvm_tx_tso_segment(struct sk_buff *skb, unsigned int num_subframes, else if (next) consume_skb(skb); - while (next) { - tmp = next; - next = tmp->next; - + skb_list_walk_safe(next, tmp, next) { memcpy(tmp->cb, cb, sizeof(tmp->cb)); /* * Compute the length of all the data added for the A-MSDU. @@ -877,9 +872,7 @@ iwl_mvm_tx_tso_segment(struct sk_buff *skb, unsigned int num_subframes, skb_shinfo(tmp)->gso_size = 0; } - tmp->prev = NULL; - tmp->next = NULL; - + skb_mark_not_on_list(tmp); __skb_queue_tail(mpdus_skb, tmp); i++; } @@ -935,7 +928,12 @@ static int iwl_mvm_tx_tso(struct iwl_mvm *mvm, struct sk_buff *skb, !(mvmsta->amsdu_enabled & BIT(tid))) return iwl_mvm_tx_tso_segment(skb, 1, netdev_flags, mpdus_skb); - max_amsdu_len = iwl_mvm_max_amsdu_size(mvm, sta, tid); + /* + * Take the min of ieee80211 station and mvm station + */ + max_amsdu_len = + min_t(unsigned int, sta->max_amsdu_len, + iwl_mvm_max_amsdu_size(mvm, sta, tid)); /* * Limit A-MSDU in A-MPDU to 4095 bytes when VHT is not @@ -1070,7 +1068,7 @@ static int iwl_mvm_tx_mpdu(struct iwl_mvm *mvm, struct sk_buff *skb, { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct iwl_mvm_sta *mvmsta; - struct iwl_device_cmd *dev_cmd; + struct iwl_device_tx_cmd *dev_cmd; __le16 fc; u16 seq_number = 0; u8 tid = IWL_MAX_TID_COUNT; @@ -1146,7 +1144,7 @@ static int iwl_mvm_tx_mpdu(struct iwl_mvm *mvm, struct sk_buff *skb, if (WARN_ONCE(txq_id == IWL_MVM_INVALID_QUEUE, "Invalid TXQ id")) { iwl_trans_free_tx_cmd(mvm->trans, dev_cmd); spin_unlock(&mvmsta->lock); - return 0; + return -1; } if (!iwl_mvm_has_new_tx_api(mvm)) { @@ -1169,8 +1167,9 @@ static int iwl_mvm_tx_mpdu(struct iwl_mvm *mvm, struct sk_buff *skb, schedule_work(&mvm->add_stream_wk); } - IWL_DEBUG_TX(mvm, "TX to [%d|%d] Q:%d - seq: 0x%x\n", mvmsta->sta_id, - tid, txq_id, IEEE80211_SEQ_TO_SN(seq_number)); + IWL_DEBUG_TX(mvm, "TX to [%d|%d] Q:%d - seq: 0x%x len %d\n", + mvmsta->sta_id, tid, txq_id, + IEEE80211_SEQ_TO_SN(seq_number), skb->len); /* From now on, we cannot access info->control */ iwl_mvm_skb_prepare_status(skb, dev_cmd); @@ -1197,8 +1196,8 @@ drop: return -1; } -int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, - struct ieee80211_sta *sta) +int iwl_mvm_tx_skb_sta(struct iwl_mvm *mvm, struct sk_buff *skb, + struct ieee80211_sta *sta) { struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); struct ieee80211_tx_info info; @@ -1271,7 +1270,7 @@ static void iwl_mvm_check_ratid_empty(struct iwl_mvm *mvm, * to align the wrap around of ssn so we compare relevant values. */ normalized_ssn = tid_data->ssn; - if (mvm->trans->cfg->gen2) + if (mvm->trans->trans_cfg->gen2) normalized_ssn &= 0xff; if (normalized_ssn != tid_data->next_reclaimed) @@ -2050,7 +2049,7 @@ int iwl_mvm_flush_sta(struct iwl_mvm *mvm, void *sta, bool internal, u32 flags) if (iwl_mvm_has_new_tx_api(mvm)) return iwl_mvm_flush_sta_tids(mvm, mvm_sta->sta_id, - 0xff | BIT(IWL_MGMT_TID), flags); + 0xffff, flags); if (internal) return iwl_mvm_flush_tx_path(mvm, int_sta->tfd_queue_msk, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c index b8e20a01c192..6096276cb0d0 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c @@ -88,17 +88,11 @@ int iwl_mvm_send_cmd(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd) * the mutex, this ensures we don't try to send two * (or more) synchronous commands at a time. */ - if (!(cmd->flags & CMD_ASYNC)) { + if (!(cmd->flags & CMD_ASYNC)) lockdep_assert_held(&mvm->mutex); - if (!(cmd->flags & CMD_SEND_IN_IDLE)) - iwl_mvm_ref(mvm, IWL_MVM_REF_SENDING_CMD); - } ret = iwl_trans_send_cmd(mvm->trans, cmd); - if (!(cmd->flags & (CMD_ASYNC | CMD_SEND_IN_IDLE))) - iwl_mvm_unref(mvm, IWL_MVM_REF_SENDING_CMD); - /* * If the caller wants the SKB, then don't hide any problems, the * caller might access the response buffer which will be NULL if @@ -223,7 +217,7 @@ int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags, int band_offset = 0; /* Legacy rate format, search for match in table */ - if (band == NL80211_BAND_5GHZ) + if (band != NL80211_BAND_2GHZ) band_offset = IWL_FIRST_OFDM_RATE; for (idx = band_offset; idx < IWL_RATE_COUNT_LEGACY; idx++) if (fw_rate_idx_to_plcp[idx] == rate) @@ -537,7 +531,7 @@ static void iwl_mvm_dump_lmac_error_log(struct iwl_mvm *mvm, u8 lmac_num) /* reset the device */ iwl_trans_sw_reset(trans); - err = iwl_finish_nic_init(trans); + err = iwl_finish_nic_init(trans, trans->trans_cfg); if (err) return; } @@ -945,8 +939,9 @@ unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm, { struct iwl_fw_dbg_trigger_tlv *trigger; struct iwl_fw_dbg_trigger_txq_timer *txq_timer; - unsigned int default_timeout = - cmd_q ? IWL_DEF_WD_TIMEOUT : mvm->cfg->base_params->wd_timeout; + unsigned int default_timeout = cmd_q ? + IWL_DEF_WD_TIMEOUT : + mvm->trans->trans_cfg->base_params->wd_timeout; if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_TXQ_TIMERS)) { /* @@ -990,7 +985,7 @@ unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm, return default_timeout; default: WARN_ON(1); - return mvm->cfg->base_params->wd_timeout; + return mvm->trans->trans_cfg->base_params->wd_timeout; } } @@ -1436,7 +1431,7 @@ u32 iwl_mvm_get_systime(struct iwl_mvm *mvm) { u32 reg_addr = DEVICE_SYSTEM_TIME_REG; - if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000 && + if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000 && mvm->trans->cfg->gp2_reg_addr) reg_addr = mvm->trans->cfg->gp2_reg_addr; |
