ar6000_drv.c

Linux下SDIO设备的驱动程序

        case AR6000_IOCTL_WMI_SET_CHANNELPARAMS:
        {
            ret = ar6000_ioctl_set_channelParams(dev, rq);
            break;
        }
        case AR6000_IOCTL_WMI_SET_PROBEDSSID:
        {
            ret = ar6000_ioctl_set_probedSsid(dev, rq);
            break;
        }
        case AR6000_IOCTL_WMI_SET_BADAP:
        {
            ret = ar6000_ioctl_set_badAp(dev, rq);
            break;
        }
        case AR6000_IOCTL_WMI_CREATE_QOS:
        {
            ret = ar6000_ioctl_create_qos(dev, rq);
            break;
        }
        case AR6000_IOCTL_WMI_DELETE_QOS:
        {
            ret = ar6000_ioctl_delete_qos(dev, rq);
            break;
        }
        case AR6000_IOCTL_WMI_GET_QOS_QUEUE:
        {
            ret = ar6000_ioctl_get_qos_queue(dev, rq);
            break;
        }
        case AR6000_IOCTL_WMI_GET_TARGET_STATS:
        {
            ret = ar6000_ioctl_get_target_stats(dev, rq);
            break;
        }
        case AR6000_IOCTL_WMI_SET_ERROR_REPORT_BITMASK:
        {
            ret = ar6000_ioctl_set_error_report_bitmask(dev, rq);
            break;
        }
        case AR6000_IOCTL_WMI_SET_ASSOC_INFO:
        {
            WMI_SET_ASSOC_INFO_CMD cmd;
            A_UINT8 assocInfo[WMI_MAX_ASSOC_INFO_LEN];

            if (ar->arWmiReady == FALSE) {
                ret = -EIO;
            } else {
                get_user(cmd.ieType, userdata);
                if (cmd.ieType >= WMI_MAX_ASSOC_INFO_TYPE) {
                    ret = -EIO;
                } else {
                    get_user(cmd.bufferSize, userdata + 1);
                    if (cmd.bufferSize > WMI_MAX_ASSOC_INFO_LEN) {
                        ret = -EFAULT;
                        break;
                    }
                    if (copy_from_user(assocInfo, userdata + 2,
                                       cmd.bufferSize))
                    {
                        ret = -EFAULT;
                    } else {
                        AR6000_SPIN_LOCK(&ar->arLock, 0);
                        if (wmi_associnfo_cmd(ar->arWmi, cmd.ieType,
                                                 cmd.bufferSize,
                                                 assocInfo) != A_OK)
                        {
                            ret = -EIO;
                        }
                        AR6000_SPIN_UNLOCK(&ar->arLock, 0);
                    }
                }
            }
            break;
        }
        case AR6000_IOCTL_WMI_SET_ACCESS_PARAMS:
        {
            ret = ar6000_ioctl_set_access_params(dev, rq);
            break;
        }
        case AR6000_IOCTL_WMI_SET_DISC_TIMEOUT:
        {
            ret = ar6000_ioctl_set_disconnect_timeout(dev, rq);
            break;
        }
#if CONFIG_HOST_DSET_SUPPORT
        case AR6000_XIOCTL_WMI_DSET_WAIT_REQ:
        {
            ar6000_ioctl_wait_dset_req(dev, rq);
            break;
        }
        case AR6000_XIOCTL_WMI_DSET_OPEN_REPLY:
        {
            AR6000_SPIN_LOCK(&ar->arLock, 0);
            ar6000_ioctl_dset_open_reply(dev, rq);
            AR6000_SPIN_UNLOCK(&ar->arLock, 0);
            break;
        }
        case AR6000_XIOCTL_WMI_DSET_DATA_REPLY:
        {
            AR6000_SPIN_LOCK(&ar->arLock, 0);
            ar6000_ioctl_dset_data_reply(dev, rq);
            AR6000_SPIN_UNLOCK(&ar->arLock, 0);
            break;
        }
#endif /* CONFIG_HOST_DSET_SUPPORT */
        case AR6000_XIOCTL_FORCE_TARGET_RESET:
        {
            if (htcTarget)
            {
//                HTCForceReset(htcTarget);
            }
            else
            {
                AR_DEBUG_PRINTF("ar6000_ioctl cannot attempt reset.\n");
            }
            break;
        }
        case AR6000_XIOCTL_CHECK_TARGET_READY:
        {
            /* If we made it to here, then the Target exists and is ready. */
            break;
        }
#if CONFIG_HOST_GPIO_SUPPORT
        case AR6000_XIOCTL_GPIO_OUTPUT_SET:
        {
            struct ar6000_gpio_output_set_cmd_s gpio_output_set_cmd;

            if (ar->arWmiReady == FALSE) {
                return -EIO;
            }
            if (down_interruptible(&ar->arSem)) {
                return -ERESTARTSYS;
            }

            if (copy_from_user(&gpio_output_set_cmd, userdata,
                                sizeof(gpio_output_set_cmd)))
            {
                ret = -EFAULT;
            } else {
                ret = ar6000_gpio_output_set(dev,
                                             gpio_output_set_cmd.set_mask,
                                             gpio_output_set_cmd.clear_mask,
                                             gpio_output_set_cmd.enable_mask,
                                             gpio_output_set_cmd.disable_mask);
                if (ret != A_OK) {
                    ret = EIO;
                }
            }
            up(&ar->arSem);
            break;
        }
        case AR6000_XIOCTL_GPIO_INPUT_GET:
        {
            if (ar->arWmiReady == FALSE) {
                return -EIO;
            }
            if (down_interruptible(&ar->arSem)) {
                return -ERESTARTSYS;
            }

            ret = ar6000_gpio_input_get(dev);
            if (ret != A_OK) {
                up(&ar->arSem);
                return -EIO;
            }

            /* Wait for Target to respond. */
            wait_event_interruptible(arEvent, gpio_data_available);
            if (signal_pending(current)) {
                ret = -EINTR;
            } else {
                A_ASSERT(gpio_reg_results.gpioreg_id == GPIO_ID_NONE);

                if (copy_to_user(userdata, &gpio_reg_results.value,
                                 sizeof(gpio_reg_results.value)))
                {
                    ret = -EFAULT;
                }
            }
            up(&ar->arSem);
            break;
        }
        case AR6000_XIOCTL_GPIO_REGISTER_SET:
        {
            struct ar6000_gpio_register_cmd_s gpio_register_cmd;

            if (ar->arWmiReady == FALSE) {
                return -EIO;
            }
            if (down_interruptible(&ar->arSem)) {
                return -ERESTARTSYS;
            }

            if (copy_from_user(&gpio_register_cmd, userdata,
                                sizeof(gpio_register_cmd)))
            {
                ret = -EFAULT;
            } else {
                ret = ar6000_gpio_register_set(dev,
                                               gpio_register_cmd.gpioreg_id,
                                               gpio_register_cmd.value);
                if (ret != A_OK) {
                    ret = EIO;
                }

                /* Wait for acknowledgement from Target */
                wait_event_interruptible(arEvent, gpio_ack_received);
                if (signal_pending(current)) {
                    ret = -EINTR;
                }
            }
            up(&ar->arSem);
            break;
        }
        case AR6000_XIOCTL_GPIO_REGISTER_GET:
        {
            struct ar6000_gpio_register_cmd_s gpio_register_cmd;

            if (ar->arWmiReady == FALSE) {
                return -EIO;
            }
            if (down_interruptible(&ar->arSem)) {
                return -ERESTARTSYS;
            }

            if (copy_from_user(&gpio_register_cmd, userdata,
                                sizeof(gpio_register_cmd)))
            {
                ret = -EFAULT;
            } else {
                ret = ar6000_gpio_register_get(dev, gpio_register_cmd.gpioreg_id);
                if (ret != A_OK) {
                    up(&ar->arSem);
                    return -EIO;
                }

                /* Wait for Target to respond. */
                wait_event_interruptible(arEvent, gpio_data_available);
                if (signal_pending(current)) {
                    ret = -EINTR;
                } else {
                    A_ASSERT(gpio_register_cmd.gpioreg_id == gpio_reg_results.gpioreg_id);
                    if (copy_to_user(userdata, &gpio_reg_results,
                                     sizeof(gpio_reg_results)))
                    {
                        ret = -EFAULT;
                    }
                }
            }
            up(&ar->arSem);
            break;
        }
        case AR6000_XIOCTL_GPIO_INTR_ACK:
        {
            struct ar6000_gpio_intr_ack_cmd_s gpio_intr_ack_cmd;

            if (ar->arWmiReady == FALSE) {
                return -EIO;
            }
            if (down_interruptible(&ar->arSem)) {
                return -ERESTARTSYS;
            }

            if (copy_from_user(&gpio_intr_ack_cmd, userdata,
                                sizeof(gpio_intr_ack_cmd)))
            {
                ret = -EFAULT;
            } else {
                ret = ar6000_gpio_intr_ack(dev, gpio_intr_ack_cmd.ack_mask);
                if (ret != A_OK) {
                    ret = EIO;
                }
            }
            up(&ar->arSem);
            break;
        }
        case AR6000_XIOCTL_GPIO_INTR_WAIT:
        {
            /* Wait for Target to report an interrupt. */
            dev_hold(dev);
            rtnl_unlock();
            wait_event_interruptible(arEvent, gpio_intr_available);
            rtnl_lock();
            dev_put(dev);

            if (signal_pending(current)) {
                ret = -EINTR;
            } else {
                if (copy_to_user(userdata, &gpio_intr_results,
                                 sizeof(gpio_intr_results)))
                {
                    ret = -EFAULT;
                }
            }
            break;
        }
#endif /* CONFIG_HOST_GPIO_SUPPORT */

        case AR6000_XIOCTL_SET_ADHOC_BSSID:
        {
            WMI_SET_ADHOC_BSSID_CMD adhocBssid;

            if (ar->arWmiReady == FALSE) {
                ret = -EIO;
            } else if (copy_from_user(&adhocBssid, userdata,
                                      sizeof(adhocBssid)))
            {
                ret = -EFAULT;
            } else if (A_MEMCMP(adhocBssid.bssid, bcast_mac,
                                AR6000_ETH_ADDR_LEN) == 0)
            {
                ret = -EFAULT;
            } else {

                A_MEMCPY(ar->arReqBssid, adhocBssid.bssid, sizeof(ar->arReqBssid));
        }
            break;
        }

        case AR6000_XIOCTL_SET_OPT_MODE:
        {
        WMI_SET_OPT_MODE_CMD optModeCmd;
            AR_SOFTC_T *ar = (AR_SOFTC_T *)dev->priv;

            if (ar->arWmiReady == FALSE) {
                ret = -EIO;
            } else if (copy_from_user(&optModeCmd, userdata,
                                      sizeof(optModeCmd)))
            {
                ret = -EFAULT;
            } else if (ar->arConnected && optModeCmd.optMode == SPECIAL_ON) {
                ret = -EFAULT;

            } else if (wmi_set_opt_mode_cmd(ar->arWmi, optModeCmd.optMode)
                       != A_OK)
            {
                ret = -EIO;
            }
            break;
        }

        case AR6000_XIOCTL_OPT_SEND_FRAME:
        {
        WMI_OPT_TX_FRAME_CMD optTxFrmCmd;
            A_UINT8 data[MAX_OPT_DATA_LEN];

            if (ar->arWmiReady == FALSE) {
                ret = -EIO;
            } else if (copy_from_user(&optTxFrmCmd, userdata,
                                      sizeof(optTxFrmCmd)))
            {
                ret = -EFAULT;
            } else if (copy_from_user(data,
                                      optTxFrmCmd.optIEData,
                                      optTxFrmCmd.optIEDataLen))
            {
                ret = -EFAULT;
            } else {
                ret = wmi_opt_tx_frame_cmd(ar->arWmi,
                                           optTxFrmCmd.frmType,
                                           optTxFrmCmd.dstAddr,
                                           optTxFrmCmd.bssid,
                                           optTxFrmCmd.optIEDataLen,
                                           data);
            }

            break;
        }

        case AR6000_XIOCTL_SET_ADHOC_BEACON_INTVAL:
        {
            WMI_BEACON_INT_CMD bIntvlCmd;

            if (ar->arWmiReady == FALSE) {
                ret = -EIO;
            } else if (copy_from_user(&bIntvlCmd, userdata,
                       sizeof(bIntvlCmd)))
            {
                ret = -EFAULT;
            } else if (wmi_set_adhoc_bconIntvl_cmd(ar->arWmi, bIntvlCmd.beaconInterval)
                        != A_OK)
            {
                ret = -EIO;
            }
            break;
        }
        case IEEE80211_IOCTL_SETAUTHALG:
        {
            AR_SOFTC_T *ar = (AR_SOFTC_T *)dev->priv;
            struct ieee80211req_authalg req;

            if (ar->arWmiReady == FALSE) {
                ret = -EIO;
            } else if (copy_from_user(&req, userdata,
                       sizeof(struct ieee80211req_authalg)))
            {
                ret = -EFAULT;
            } else if (req.auth_alg == AUTH_ALG_OPEN_SYSTEM) {
                ar->arDot11AuthMode  = OPEN_AUTH;
                ar->arPairwiseCrypto  = NONE_CRYPT;
                ar->arGroupCrypto     = NONE_CRYPT;
            } else if (req.auth_alg == AUTH_ALG_LEAP) {
                ar->arDot11AuthMode   = LEAP_AUTH;
            } else {