/** * @brief This function checks if we need to send last packet indication. * * @param priv A pointer to mlan_private structure * * @return MTRUE or MFALSE */ t_u8 wlan_check_last_packet_indication(pmlan_private priv) { pmlan_adapter pmadapter = priv->adapter; t_u8 ret = MFALSE; t_u8 prop_ps = MTRUE; ENTER(); if (!pmadapter->sleep_period.period) { LEAVE(); return ret; } if (wlan_bypass_tx_list_empty(pmadapter) && wlan_wmm_lists_empty(pmadapter)) { if (((priv->curr_bss_params.wmm_uapsd_enabled == MTRUE) && priv->wmm_qosinfo) || prop_ps) ret = MTRUE; } if (ret && !pmadapter->cmd_sent && !pmadapter->curr_cmd && !IS_COMMAND_PENDING(pmadapter)) { pmadapter->delay_null_pkt = MFALSE; ret = MTRUE; } else { ret = MFALSE; pmadapter->delay_null_pkt = MTRUE; } LEAVE(); return ret; }
/** * @brief The main process * * @param pmlan_adapter A pointer to mlan_adapter structure * * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE */ mlan_status mlan_main_process(IN t_void * pmlan_adapter) { mlan_status ret = MLAN_STATUS_SUCCESS; mlan_adapter *pmadapter = (mlan_adapter *) pmlan_adapter; pmlan_callbacks pcb; ENTER(); MASSERT(pmlan_adapter); pcb = &pmadapter->callbacks; pcb->moal_spin_lock(pmadapter->pmoal_handle, pmadapter->pmain_proc_lock); /* Check if already processing */ if (pmadapter->mlan_processing) { pmadapter->more_task_flag = MTRUE; pcb->moal_spin_unlock(pmadapter->pmoal_handle, pmadapter->pmain_proc_lock); goto exit_main_proc; } else { pmadapter->mlan_processing = MTRUE; pcb->moal_spin_unlock(pmadapter->pmoal_handle, pmadapter->pmain_proc_lock); } process_start: do { pcb->moal_spin_lock(pmadapter->pmoal_handle, pmadapter->pmain_proc_lock); pmadapter->more_task_flag = MFALSE; pcb->moal_spin_unlock(pmadapter->pmoal_handle, pmadapter->pmain_proc_lock); /* Is MLAN shutting down or not ready? */ if ((pmadapter->hw_status == WlanHardwareStatusClosing) || (pmadapter->hw_status == WlanHardwareStatusNotReady)) break; if (util_scalar_read (pmadapter->pmoal_handle, &pmadapter->rx_pkts_queued, pmadapter->callbacks.moal_spin_lock, pmadapter->callbacks.moal_spin_unlock) > HIGH_RX_PENDING) { PRINTM(MEVENT, "Pause\n"); pmadapter->delay_task_flag = MTRUE; break; } /* Handle pending SDIO interrupts if any */ if (pmadapter->sdio_ireg) { if (pmadapter->hs_activated == MTRUE) wlan_process_hs_config(pmadapter); wlan_process_int_status(pmadapter); if (pmadapter->data_received && pmadapter->rx_work_flag) wlan_recv_event(wlan_get_priv (pmadapter, MLAN_BSS_ROLE_ANY), MLAN_EVENT_ID_DRV_DEFER_RX_WORK, MNULL); } /* Need to wake up the card ? */ if ((pmadapter->ps_state == PS_STATE_SLEEP) && (pmadapter->pm_wakeup_card_req && !pmadapter->pm_wakeup_fw_try) && (util_peek_list (pmadapter->pmoal_handle, &pmadapter->cmd_pending_q, pcb->moal_spin_lock, pcb->moal_spin_unlock) || !wlan_bypass_tx_list_empty(pmadapter) || !wlan_wmm_lists_empty(pmadapter) )) { wlan_pm_wakeup_card(pmadapter); pmadapter->pm_wakeup_fw_try = MTRUE; continue; } if (IS_CARD_RX_RCVD(pmadapter)) { pmadapter->data_received = MFALSE; if (pmadapter->hs_activated == MTRUE) { pmadapter->is_hs_configured = MFALSE; wlan_host_sleep_activated_event(wlan_get_priv (pmadapter, MLAN_BSS_ROLE_ANY), MFALSE); } pmadapter->pm_wakeup_fw_try = MFALSE; if (pmadapter->ps_state == PS_STATE_SLEEP) pmadapter->ps_state = PS_STATE_AWAKE; } else { /* We have tried to wakeup the card already */ if (pmadapter->pm_wakeup_fw_try) break; if (pmadapter->ps_state != PS_STATE_AWAKE || (pmadapter->tx_lock_flag == MTRUE)) break; if (pmadapter->scan_processing || pmadapter->data_sent || (wlan_bypass_tx_list_empty(pmadapter) && wlan_wmm_lists_empty(pmadapter)) || wlan_11h_radar_detected_tx_blocked(pmadapter) ) { if (pmadapter->cmd_sent || pmadapter->curr_cmd || (!util_peek_list (pmadapter->pmoal_handle, &pmadapter->cmd_pending_q, pcb->moal_spin_lock, pcb->moal_spin_unlock))) { break; } } } /* Check for Cmd Resp */ if (pmadapter->cmd_resp_received) { pmadapter->cmd_resp_received = MFALSE; wlan_process_cmdresp(pmadapter); /* call moal back when init_fw is done */ if (pmadapter->hw_status == WlanHardwareStatusInitdone) { pmadapter->hw_status = WlanHardwareStatusReady; wlan_init_fw_complete(pmadapter); } } /* Check for event */ if (pmadapter->event_received) { pmadapter->event_received = MFALSE; wlan_process_event(pmadapter); } /* Check if we need to confirm Sleep Request received previously */ if (pmadapter->ps_state == PS_STATE_PRE_SLEEP) { if (!pmadapter->cmd_sent && !pmadapter->curr_cmd) { wlan_check_ps_cond(pmadapter); } } /* * The ps_state may have been changed during processing of * Sleep Request event. */ if ((pmadapter->ps_state == PS_STATE_SLEEP) || (pmadapter->ps_state == PS_STATE_PRE_SLEEP) || (pmadapter->ps_state == PS_STATE_SLEEP_CFM) || (pmadapter->tx_lock_flag == MTRUE) ) continue; if (!pmadapter->cmd_sent && !pmadapter->curr_cmd) { if (wlan_exec_next_cmd(pmadapter) == MLAN_STATUS_FAILURE) { ret = MLAN_STATUS_FAILURE; break; } } if (!pmadapter->scan_processing && !pmadapter->data_sent && !wlan_11h_radar_detected_tx_blocked(pmadapter) && !wlan_bypass_tx_list_empty(pmadapter)) { PRINTM(MINFO, "mlan_send_pkt(): deq(bybass_txq)\n"); wlan_process_bypass_tx(pmadapter); if (pmadapter->hs_activated == MTRUE) { pmadapter->is_hs_configured = MFALSE; wlan_host_sleep_activated_event(wlan_get_priv (pmadapter, MLAN_BSS_ROLE_ANY), MFALSE); } } if (!pmadapter->scan_processing && !pmadapter->data_sent && !wlan_wmm_lists_empty(pmadapter) && !wlan_11h_radar_detected_tx_blocked(pmadapter) ) { wlan_wmm_process_tx(pmadapter); if (pmadapter->hs_activated == MTRUE) { pmadapter->is_hs_configured = MFALSE; wlan_host_sleep_activated_event(wlan_get_priv (pmadapter, MLAN_BSS_ROLE_ANY), MFALSE); } } #ifdef STA_SUPPORT if (pmadapter->delay_null_pkt && !pmadapter->cmd_sent && !pmadapter->curr_cmd && !IS_COMMAND_PENDING(pmadapter) && wlan_bypass_tx_list_empty(pmadapter) && wlan_wmm_lists_empty(pmadapter)) { if (wlan_send_null_packet (wlan_get_priv(pmadapter, MLAN_BSS_ROLE_STA), MRVDRV_TxPD_POWER_MGMT_NULL_PACKET | MRVDRV_TxPD_POWER_MGMT_LAST_PACKET) == MLAN_STATUS_SUCCESS) { pmadapter->delay_null_pkt = MFALSE; } break; } #endif } while (MTRUE); pcb->moal_spin_lock(pmadapter->pmoal_handle, pmadapter->pmain_proc_lock); if (pmadapter->more_task_flag == MTRUE) { pcb->moal_spin_unlock(pmadapter->pmoal_handle, pmadapter->pmain_proc_lock); goto process_start; } pmadapter->mlan_processing = MFALSE; pcb->moal_spin_unlock(pmadapter->pmoal_handle, pmadapter->pmain_proc_lock); exit_main_proc: if (pmadapter->hw_status == WlanHardwareStatusClosing) mlan_shutdown_fw(pmadapter); LEAVE(); return ret; }