Пример #1
0
int dhd_cfg80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
{
	struct sk_buff *reply;
	struct wl_priv *wl;
	dhd_pub_t *dhd;
	dhd_ioctl_t *ioc = data;
	int err = 0;

	WL_TRACE(("entry: cmd = %d\n", ioc->cmd));
	wl = wiphy_priv(wiphy);
	dhd = wl->pub;

	DHD_OS_WAKE_LOCK(dhd);

	
	if (dhd->hang_was_sent) {
		WL_ERR(("%s: HANG was sent up earlier\n", __FUNCTION__));
		DHD_OS_WAKE_LOCK_CTRL_TIMEOUT_ENABLE(dhd, DHD_EVENT_TIMEOUT_MS);
		DHD_OS_WAKE_UNLOCK(dhd);
		return OSL_ERROR(BCME_DONGLE_DOWN);
	}

	
	err = dhd_ioctl_process(dhd, 0, ioc);
	if (err)
		goto done;

	
	reply = cfg80211_testmode_alloc_reply_skb(wiphy, sizeof(*ioc));
	nla_put(reply, NL80211_ATTR_TESTDATA, sizeof(*ioc), ioc);
	err = cfg80211_testmode_reply(reply);
done:
	DHD_OS_WAKE_UNLOCK(dhd);
	return err;
}
int dhd_cfg80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
{
	struct sk_buff *reply;
	struct wl_priv *wl;
	dhd_pub_t *dhd;
	dhd_ioctl_t *ioc = data;
	int err = 0;

	WL_TRACE(("entry: cmd = %d\n", ioc->cmd));
	wl = wiphy_priv(wiphy);
	dhd = wl->pub;

	DHD_OS_WAKE_LOCK(dhd);


	/* currently there is only one wiphy for ifidx 0 */
	err = dhd_ioctl_process(dhd, 0, ioc);
	if (err)
		goto done;

	/* response data is in ioc->buf so return ioc here */
	reply = cfg80211_testmode_alloc_reply_skb(wiphy, sizeof(*ioc));
	nla_put(reply, NL80211_ATTR_TESTDATA, sizeof(*ioc), ioc);
	err = cfg80211_testmode_reply(reply);
done:
	DHD_OS_WAKE_UNLOCK(dhd);
	return err;
}
Пример #3
0
int dhd_cfg80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
{
	struct sk_buff *reply;
	struct wl_priv *wl;
	dhd_pub_t *dhd;
	dhd_ioctl_t *ioc = data;
	int err = 0;

	WL_TRACE(("entry: cmd = %d\n", ioc->cmd));
	wl = wiphy_priv(wiphy);
	dhd = wl->pub;

	DHD_OS_WAKE_LOCK(dhd);

	/* send to dongle only if we are not waiting for reload already */
	if (dhd->hang_was_sent) {
		WL_ERR(("HANG was sent up earlier\n"));
		DHD_OS_WAKE_LOCK_CTRL_TIMEOUT_ENABLE(dhd, DHD_EVENT_TIMEOUT_MS);
		DHD_OS_WAKE_UNLOCK(dhd);
		return OSL_ERROR(BCME_DONGLE_DOWN);
	}

	/* currently there is only one wiphy for ifidx 0 */
	err = dhd_ioctl_process(dhd, 0, ioc);
	if (err)
		goto done;

	/* response data is in ioc->buf so return ioc here */
	reply = cfg80211_testmode_alloc_reply_skb(wiphy, sizeof(*ioc));
	nla_put(reply, NL80211_ATTR_TESTDATA, sizeof(*ioc), ioc);
	err = cfg80211_testmode_reply(reply);
done:
	DHD_OS_WAKE_UNLOCK(dhd);
	return err;
}
Пример #4
0
int ath6kl_tm_cmd(struct wiphy *wiphy, void *data, int len)
{
	struct ath6kl *ar = wiphy_priv(wiphy);
	struct nlattr *tb[ATH6KL_TM_ATTR_MAX + 1];
	int err, buf_len, reply_len;
	struct sk_buff *skb;
	void *buf;

	err = nla_parse(tb, ATH6KL_TM_ATTR_MAX, data, len,
			ath6kl_tm_policy);
	if (err)
		return err;

	if (!tb[ATH6KL_TM_ATTR_CMD])
		return -EINVAL;

	switch (nla_get_u32(tb[ATH6KL_TM_ATTR_CMD])) {
	case ATH6KL_TM_CMD_TCMD:
		if (!tb[ATH6KL_TM_ATTR_DATA])
			return -EINVAL;

		buf = nla_data(tb[ATH6KL_TM_ATTR_DATA]);
		buf_len = nla_len(tb[ATH6KL_TM_ATTR_DATA]);

		ath6kl_wmi_test_cmd(ar->wmi, buf, buf_len);

		return 0;

		break;
	case ATH6KL_TM_CMD_RX_REPORT:
		if (!tb[ATH6KL_TM_ATTR_DATA])
			return -EINVAL;

		buf = nla_data(tb[ATH6KL_TM_ATTR_DATA]);
		buf_len = nla_len(tb[ATH6KL_TM_ATTR_DATA]);

		reply_len = nla_total_size(ATH6KL_TM_DATA_MAX_LEN);
		skb = cfg80211_testmode_alloc_reply_skb(wiphy, reply_len);
		if (!skb)
			return -ENOMEM;

		err = ath6kl_tm_rx_report(ar, buf, buf_len, skb);
		if (err < 0) {
			kfree_skb(skb);
			return err;
		}

		return cfg80211_testmode_reply(skb);
	default:
		return -EOPNOTSUPP;
	}
}
Пример #5
0
static int wl1271_tm_cmd_test(struct wl1271 *wl, struct nlattr *tb[])
{
	int buf_len, ret, len;
	struct sk_buff *skb;
	void *buf;
	u8 answer = 0;

	wl1271_debug(DEBUG_TESTMODE, "testmode cmd test");

	if (!tb[WL1271_TM_ATTR_DATA])
		return -EINVAL;

	buf = nla_data(tb[WL1271_TM_ATTR_DATA]);
	buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]);

	if (tb[WL1271_TM_ATTR_ANSWER])
		answer = nla_get_u8(tb[WL1271_TM_ATTR_ANSWER]);

	if (buf_len > sizeof(struct wl1271_command))
		return -EMSGSIZE;

	mutex_lock(&wl->mutex);
	ret = wl1271_cmd_test(wl, buf, buf_len, answer);
	mutex_unlock(&wl->mutex);

	if (ret < 0) {
		wl1271_warning("testmode cmd test failed: %d", ret);
		return ret;
	}

	if (answer) {
		len = nla_total_size(buf_len);
		skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len);
		if (!skb)
			return -ENOMEM;

		NLA_PUT(skb, WL1271_TM_ATTR_DATA, buf_len, buf);
		ret = cfg80211_testmode_reply(skb);
		if (ret < 0)
			return ret;
	}

	return 0;

nla_put_failure:
	kfree_skb(skb);
	return -EMSGSIZE;
}
Пример #6
0
static int wl12xx_tm_cmd_get_mac(struct wl1271 *wl, struct nlattr *tb[])
{
	struct sk_buff *skb;
	u8 mac_addr[ETH_ALEN];
	int ret = 0;

	mutex_lock(&wl->mutex);

	if (wl->state != WL1271_STATE_PLT) {
		ret = -EINVAL;
		goto out;
	}

	if(wl->fuse_oui_addr == 0 && wl->fuse_nic_addr == 0) {
		ret = -EOPNOTSUPP;
		goto out;
	}

	mac_addr[0] = (u8)(wl->fuse_oui_addr >> 16);
	mac_addr[1] = (u8)(wl->fuse_oui_addr >> 8);
	mac_addr[2] = (u8) wl->fuse_oui_addr;
	mac_addr[3] = (u8)(wl->fuse_nic_addr >> 16);
	mac_addr[4] = (u8)(wl->fuse_nic_addr >> 8);
	mac_addr[5] = (u8) wl->fuse_nic_addr;

	skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, ETH_ALEN);
	if (!skb) {
		ret = -ENOMEM;
		goto out;
	}

	NLA_PUT(skb, WL1271_TM_ATTR_DATA, ETH_ALEN, mac_addr);
	ret = cfg80211_testmode_reply(skb);
	if (ret < 0)
		goto out;

out:
	mutex_unlock(&wl->mutex);
	return ret;

nla_put_failure:
	kfree_skb(skb);
	ret = -EMSGSIZE;
	goto out;
}
Пример #7
0
static int wl1271_tm_cmd_interrogate(struct wl1271 *wl, struct nlattr *tb[])
{
	int ret;
	struct wl1271_command *cmd;
	struct sk_buff *skb;
	u8 ie_id;

	wl1271_debug(DEBUG_TESTMODE, "testmode cmd interrogate");

	if (!tb[WL1271_TM_ATTR_IE_ID])
		return -EINVAL;

	ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]);

	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
	if (!cmd)
		return -ENOMEM;

	mutex_lock(&wl->mutex);
	ret = wl1271_cmd_interrogate(wl, ie_id, cmd, sizeof(*cmd));
	mutex_unlock(&wl->mutex);

	if (ret < 0) {
		wl1271_warning("testmode cmd interrogate failed: %d", ret);
		kfree(cmd);
		return ret;
	}

	skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, sizeof(*cmd));
	if (!skb) {
		kfree(cmd);
		return -ENOMEM;
	}

	NLA_PUT(skb, WL1271_TM_ATTR_DATA, sizeof(*cmd), cmd);

	return 0;

nla_put_failure:
	kfree_skb(skb);
	return -EMSGSIZE;
}
Пример #8
0
static int wl1271_tm_detect_fem(struct wl1271 *wl, struct nlattr *tb[])
{
	/* return FEM type */
	int ret, len;
	struct sk_buff *skb;

	ret = wl1271_plt_start(wl, PLT_FEM_DETECT);
	if (ret < 0)
		goto out;

	mutex_lock(&wl->mutex);

	len = nla_total_size(sizeof(wl->fem_manuf));
	skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len);
	if (!skb) {
		ret = -ENOMEM;
		goto out_mutex;
	}

	if (nla_put(skb, WL1271_TM_ATTR_DATA, sizeof(wl->fem_manuf),
					      &wl->fem_manuf)) {
		kfree_skb(skb);
		ret = -EMSGSIZE;
		goto out_mutex;
	}

	ret = cfg80211_testmode_reply(skb);

out_mutex:
	mutex_unlock(&wl->mutex);

	/* We always stop plt after DETECT mode */
	wl1271_plt_stop(wl);
out:
	return ret;
}
Пример #9
0
static int wl1271_tm_cmd_test(struct wl1271 *wl, struct nlattr *tb[])
{
	int buf_len, ret, len;
	struct sk_buff *skb;
	void *buf;
	u8 answer = 0;

	wl1271_debug(DEBUG_TESTMODE, "testmode cmd test");

	if (!tb[WL1271_TM_ATTR_DATA])
		return -EINVAL;

	buf = nla_data(tb[WL1271_TM_ATTR_DATA]);
	buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]);

	if (tb[WL1271_TM_ATTR_ANSWER])
		answer = nla_get_u8(tb[WL1271_TM_ATTR_ANSWER]);

	if (buf_len > sizeof(struct wl1271_command))
		return -EMSGSIZE;

	mutex_lock(&wl->mutex);

	if (wl->state == WL1271_STATE_OFF) {
		ret = -EINVAL;
		goto out;
	}

	ret = wl1271_ps_elp_wakeup(wl);
	if (ret < 0)
		goto out;

	ret = wl1271_cmd_test(wl, buf, buf_len, answer);
	if (ret < 0) {
		wl1271_warning("testmode cmd test failed: %d", ret);
		goto out_sleep;
	}

	if (answer) {
		/* If we got bip calibration answer print radio status */
		struct wl1271_cmd_cal_p2g *params =
			(struct wl1271_cmd_cal_p2g *) buf;

		s16 radio_status = (s16) le16_to_cpu(params->radio_status);

		if (params->test.id == TEST_CMD_P2G_CAL &&
		    radio_status < 0)
			wl1271_warning("testmode cmd: radio status=%d",
					radio_status);
		else
			wl1271_info("testmode cmd: radio status=%d",
					radio_status);

		len = nla_total_size(buf_len);
		skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len);
		if (!skb) {
			ret = -ENOMEM;
			goto out_sleep;
		}

		if (nla_put(skb, WL1271_TM_ATTR_DATA, buf_len, buf)) {
			kfree_skb(skb);
			ret = -EMSGSIZE;
			goto out_sleep;
		}

		ret = cfg80211_testmode_reply(skb);
		if (ret < 0)
			goto out_sleep;
	}

out_sleep:
	wl1271_ps_elp_sleep(wl);
out:
	mutex_unlock(&wl->mutex);

	return ret;
}
Пример #10
0
/*
 * This function handles the user application commands for uCode trace
 *
 * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
 * handlers respectively.
 *
 * If it's an unknown commdn ID, -ENOSYS is replied; otherwise, the returned
 * value of the actual command execution is replied to the user application.
 *
 * @hw: ieee80211_hw object that represents the device
 * @tb: gnl message fields from the user space
 */
static int iwl_testmode_trace(struct ieee80211_hw *hw, struct nlattr **tb)
{
	struct iwl_priv *priv = hw->priv;
	struct sk_buff *skb;
	int status = 0;
	struct device *dev = bus(priv)->dev;

	switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
	case IWL_TM_CMD_APP2DEV_BEGIN_TRACE:
		if (priv->testmode_trace.trace_enabled)
			return -EBUSY;

		if (!tb[IWL_TM_ATTR_TRACE_SIZE])
			priv->testmode_trace.buff_size = TRACE_BUFF_SIZE_DEF;
		else
			priv->testmode_trace.buff_size =
				nla_get_u32(tb[IWL_TM_ATTR_TRACE_SIZE]);
		if (!priv->testmode_trace.buff_size)
			return -EINVAL;
		if (priv->testmode_trace.buff_size < TRACE_BUFF_SIZE_MIN ||
		    priv->testmode_trace.buff_size > TRACE_BUFF_SIZE_MAX)
			return -EINVAL;

		priv->testmode_trace.total_size =
			priv->testmode_trace.buff_size + TRACE_BUFF_PADD;
		priv->testmode_trace.cpu_addr =
			dma_alloc_coherent(dev,
					   priv->testmode_trace.total_size,
					   &priv->testmode_trace.dma_addr,
					   GFP_KERNEL);
		if (!priv->testmode_trace.cpu_addr)
			return -ENOMEM;
		priv->testmode_trace.trace_enabled = true;
		priv->testmode_trace.trace_addr = (u8 *)PTR_ALIGN(
			priv->testmode_trace.cpu_addr, 0x100);
		memset(priv->testmode_trace.trace_addr, 0x03B,
			priv->testmode_trace.buff_size);
		skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy,
			sizeof(priv->testmode_trace.dma_addr) + 20);
		if (!skb) {
			IWL_DEBUG_INFO(priv,
				"Error allocating memory\n");
			iwl_trace_cleanup(priv);
			return -ENOMEM;
		}
		NLA_PUT(skb, IWL_TM_ATTR_TRACE_ADDR,
			sizeof(priv->testmode_trace.dma_addr),
			(u64 *)&priv->testmode_trace.dma_addr);
		status = cfg80211_testmode_reply(skb);
		if (status < 0) {
			IWL_DEBUG_INFO(priv,
				       "Error sending msg : %d\n",
				       status);
		}
		priv->testmode_trace.num_chunks =
			DIV_ROUND_UP(priv->testmode_trace.buff_size,
				     DUMP_CHUNK_SIZE);
		break;

	case IWL_TM_CMD_APP2DEV_END_TRACE:
		iwl_trace_cleanup(priv);
		break;
	default:
		IWL_DEBUG_INFO(priv, "Unknown testmode mem command ID\n");
		return -ENOSYS;
	}
	return status;

nla_put_failure:
	kfree_skb(skb);
	if (nla_get_u32(tb[IWL_TM_ATTR_COMMAND]) ==
	    IWL_TM_CMD_APP2DEV_BEGIN_TRACE)
		iwl_trace_cleanup(priv);
	return -EMSGSIZE;
}
Пример #11
0
/*
 * This function handles the user application commands for driver.
 *
 * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
 * handlers respectively.
 *
 * If it's an unknown commdn ID, -ENOSYS is replied; otherwise, the returned
 * value of the actual command execution is replied to the user application.
 *
 * If there's any message responding to the user space, IWL_TM_ATTR_SYNC_RSP
 * is used for carry the message while IWL_TM_ATTR_COMMAND must set to
 * IWL_TM_CMD_DEV2APP_SYNC_RSP.
 *
 * @hw: ieee80211_hw object that represents the device
 * @tb: gnl message fields from the user space
 */
static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb)
{
	struct iwl_priv *priv = hw->priv;
	struct iwl_trans *trans = trans(priv);
	struct sk_buff *skb;
	unsigned char *rsp_data_ptr = NULL;
	int status = 0, rsp_data_len = 0;
	u32 devid;

	switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
	case IWL_TM_CMD_APP2DEV_GET_DEVICENAME:
		rsp_data_ptr = (unsigned char *)cfg(priv)->name;
		rsp_data_len = strlen(cfg(priv)->name);
		skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy,
							rsp_data_len + 20);
		if (!skb) {
			IWL_DEBUG_INFO(priv,
				       "Error allocating memory\n");
			return -ENOMEM;
		}
		NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND,
			    IWL_TM_CMD_DEV2APP_SYNC_RSP);
		NLA_PUT(skb, IWL_TM_ATTR_SYNC_RSP,
			rsp_data_len, rsp_data_ptr);
		status = cfg80211_testmode_reply(skb);
		if (status < 0)
			IWL_DEBUG_INFO(priv, "Error sending msg : %d\n",
				       status);
		break;

	case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW:
		status = iwl_load_ucode_wait_alive(trans, IWL_UCODE_INIT);
		if (status)
			IWL_DEBUG_INFO(priv,
				"Error loading init ucode: %d\n", status);
		break;

	case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB:
		iwl_testmode_cfg_init_calib(priv);
		iwl_trans_stop_device(trans);
		break;

	case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW:
		status = iwl_load_ucode_wait_alive(trans, IWL_UCODE_REGULAR);
		if (status) {
			IWL_DEBUG_INFO(priv,
				"Error loading runtime ucode: %d\n", status);
			break;
		}
		status = iwl_alive_start(priv);
		if (status)
			IWL_DEBUG_INFO(priv,
				"Error starting the device: %d\n", status);
		break;

	case IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW:
		iwl_scan_cancel_timeout(priv, 200);
		iwl_trans_stop_device(trans);
		status = iwl_load_ucode_wait_alive(trans, IWL_UCODE_WOWLAN);
		if (status) {
			IWL_DEBUG_INFO(priv,
				"Error loading WOWLAN ucode: %d\n", status);
			break;
		}
		status = iwl_alive_start(priv);
		if (status)
			IWL_DEBUG_INFO(priv,
				"Error starting the device: %d\n", status);
		break;

	case IWL_TM_CMD_APP2DEV_GET_EEPROM:
		if (priv->shrd->eeprom) {
			skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy,
				cfg(priv)->base_params->eeprom_size + 20);
			if (!skb) {
				IWL_DEBUG_INFO(priv,
				       "Error allocating memory\n");
				return -ENOMEM;
			}
			NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND,
				IWL_TM_CMD_DEV2APP_EEPROM_RSP);
			NLA_PUT(skb, IWL_TM_ATTR_EEPROM,
				cfg(priv)->base_params->eeprom_size,
				priv->shrd->eeprom);
			status = cfg80211_testmode_reply(skb);
			if (status < 0)
				IWL_DEBUG_INFO(priv,
					       "Error sending msg : %d\n",
					       status);
		} else
			return -EFAULT;
		break;

	case IWL_TM_CMD_APP2DEV_FIXRATE_REQ:
		if (!tb[IWL_TM_ATTR_FIXRATE]) {
			IWL_DEBUG_INFO(priv,
				       "Error finding fixrate setting\n");
			return -ENOMSG;
		}
		priv->tm_fixed_rate = nla_get_u32(tb[IWL_TM_ATTR_FIXRATE]);
		break;

	case IWL_TM_CMD_APP2DEV_GET_FW_VERSION:
		IWL_INFO(priv, "uCode version raw: 0x%x\n", priv->ucode_ver);

		skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20);
		if (!skb) {
			IWL_DEBUG_INFO(priv, "Error allocating memory\n");
			return -ENOMEM;
		}
		NLA_PUT_U32(skb, IWL_TM_ATTR_FW_VERSION, priv->ucode_ver);
		status = cfg80211_testmode_reply(skb);
		if (status < 0)
			IWL_DEBUG_INFO(priv,
					"Error sending msg : %d\n", status);
		break;

	case IWL_TM_CMD_APP2DEV_GET_DEVICE_ID:
		devid = bus_get_hw_id(bus(priv));
		IWL_INFO(priv, "hw version: 0x%x\n", devid);

		skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20);
		if (!skb) {
			IWL_DEBUG_INFO(priv, "Error allocating memory\n");
			return -ENOMEM;
		}
		NLA_PUT_U32(skb, IWL_TM_ATTR_DEVICE_ID, devid);
		status = cfg80211_testmode_reply(skb);
		if (status < 0)
			IWL_DEBUG_INFO(priv,
					"Error sending msg : %d\n", status);
		break;

	default:
		IWL_DEBUG_INFO(priv, "Unknown testmode driver command ID\n");
		return -ENOSYS;
	}
	return status;

nla_put_failure:
	kfree_skb(skb);
	return -EMSGSIZE;
}
Пример #12
0
/*
 * This function handles the user application commands for register access.
 *
 * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
 * handlers respectively.
 *
 * If it's an unknown commdn ID, -ENOSYS is returned; or -ENOMSG if the
 * mandatory fields(IWL_TM_ATTR_REG_OFFSET,IWL_TM_ATTR_REG_VALUE32,
 * IWL_TM_ATTR_REG_VALUE8) are missing; Otherwise 0 is replied indicating
 * the success of the command execution.
 *
 * If IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_REG_READ32, the register read
 * value is returned with IWL_TM_ATTR_REG_VALUE32.
 *
 * @hw: ieee80211_hw object that represents the device
 * @tb: gnl message fields from the user space
 */
static int iwl_testmode_reg(struct ieee80211_hw *hw, struct nlattr **tb)
{
	struct iwl_priv *priv = hw->priv;
	u32 ofs, val32;
	u8 val8;
	struct sk_buff *skb;
	int status = 0;

	if (!tb[IWL_TM_ATTR_REG_OFFSET]) {
		IWL_DEBUG_INFO(priv, "Error finding register offset\n");
		return -ENOMSG;
	}
	ofs = nla_get_u32(tb[IWL_TM_ATTR_REG_OFFSET]);
	IWL_INFO(priv, "testmode register access command offset 0x%x\n", ofs);

	switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
	case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32:
		val32 = iwl_read32(bus(priv), ofs);
		IWL_INFO(priv, "32bit value to read 0x%x\n", val32);

		skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20);
		if (!skb) {
			IWL_DEBUG_INFO(priv, "Error allocating memory\n");
			return -ENOMEM;
		}
		NLA_PUT_U32(skb, IWL_TM_ATTR_REG_VALUE32, val32);
		status = cfg80211_testmode_reply(skb);
		if (status < 0)
			IWL_DEBUG_INFO(priv,
				       "Error sending msg : %d\n", status);
		break;
	case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32:
		if (!tb[IWL_TM_ATTR_REG_VALUE32]) {
			IWL_DEBUG_INFO(priv,
				       "Error finding value to write\n");
			return -ENOMSG;
		} else {
			val32 = nla_get_u32(tb[IWL_TM_ATTR_REG_VALUE32]);
			IWL_INFO(priv, "32bit value to write 0x%x\n", val32);
			iwl_write32(bus(priv), ofs, val32);
		}
		break;
	case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8:
		if (!tb[IWL_TM_ATTR_REG_VALUE8]) {
			IWL_DEBUG_INFO(priv, "Error finding value to write\n");
			return -ENOMSG;
		} else {
			val8 = nla_get_u8(tb[IWL_TM_ATTR_REG_VALUE8]);
			IWL_INFO(priv, "8bit value to write 0x%x\n", val8);
			iwl_write8(bus(priv), ofs, val8);
		}
		break;
	case IWL_TM_CMD_APP2DEV_INDIRECT_REG_READ32:
		val32 = iwl_read_prph(bus(priv), ofs);
		IWL_INFO(priv, "32bit value to read 0x%x\n", val32);

		skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20);
		if (!skb) {
			IWL_DEBUG_INFO(priv, "Error allocating memory\n");
			return -ENOMEM;
		}
		NLA_PUT_U32(skb, IWL_TM_ATTR_REG_VALUE32, val32);
		status = cfg80211_testmode_reply(skb);
		if (status < 0)
			IWL_DEBUG_INFO(priv,
					"Error sending msg : %d\n", status);
		break;
	case IWL_TM_CMD_APP2DEV_INDIRECT_REG_WRITE32:
		if (!tb[IWL_TM_ATTR_REG_VALUE32]) {
			IWL_DEBUG_INFO(priv,
					"Error finding value to write\n");
			return -ENOMSG;
		} else {
			val32 = nla_get_u32(tb[IWL_TM_ATTR_REG_VALUE32]);
			IWL_INFO(priv, "32bit value to write 0x%x\n", val32);
			iwl_write_prph(bus(priv), ofs, val32);
		}
		break;
	default:
		IWL_DEBUG_INFO(priv, "Unknown testmode register command ID\n");
		return -ENOSYS;
	}

	return status;

nla_put_failure:
	kfree_skb(skb);
	return -EMSGSIZE;
}
Пример #13
0
static int wl1271_tm_cmd_interrogate(struct wl1271 *wl, struct nlattr *tb[])
{
	int ret;
	struct wl1271_command *cmd;
	struct sk_buff *skb;
	u8 ie_id;

	wl1271_debug(DEBUG_TESTMODE, "testmode cmd interrogate");

	if (!tb[WL1271_TM_ATTR_IE_ID])
		return -EINVAL;

	ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]);

	mutex_lock(&wl->mutex);

	if (unlikely(wl->state != WLCORE_STATE_ON)) {
		ret = -EINVAL;
		goto out;
	}

	ret = wl1271_ps_elp_wakeup(wl);
	if (ret < 0)
		goto out;

	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
	if (!cmd) {
		ret = -ENOMEM;
		goto out_sleep;
	}

	ret = wl1271_cmd_interrogate(wl, ie_id, cmd, sizeof(*cmd));
	if (ret < 0) {
		wl1271_warning("testmode cmd interrogate failed: %d", ret);
		goto out_free;
	}

	skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, sizeof(*cmd));
	if (!skb) {
		ret = -ENOMEM;
		goto out_free;
	}

	NLA_PUT(skb, WL1271_TM_ATTR_DATA, sizeof(*cmd), cmd);
	ret = cfg80211_testmode_reply(skb);
	if (ret < 0)
		goto out_free;

out_free:
	kfree(cmd);
out_sleep:
	wl1271_ps_elp_sleep(wl);
out:
	mutex_unlock(&wl->mutex);

	return ret;

nla_put_failure:
	kfree_skb(skb);
	ret = -EMSGSIZE;
	goto out_free;
}
Пример #14
0
int
mtk_cfg80211_testmode_get_sta_statistics(IN struct wiphy *wiphy,
					 IN void *data, IN int len, IN P_GLUE_INFO_T prGlueInfo)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0)
#define NLA_PUT(skb, attrtype, attrlen, data) \
	 do { \
		 if (unlikely(nla_put(skb, attrtype, attrlen, data) < 0)) \
			 printk("NLA PUT Error!!!!\n"); \
	 } while (0)

#define NLA_PUT_TYPE(skb, type, attrtype, value) \
	 do { \
		 type __tmp = value; \
		 NLA_PUT(skb, attrtype, sizeof(type), &__tmp); \
	 } while (0)

#define NLA_PUT_U8(skb, attrtype, value) \
	 NLA_PUT_TYPE(skb, u8, attrtype, value)

#define NLA_PUT_U16(skb, attrtype, value) \
	 NLA_PUT_TYPE(skb, u16, attrtype, value)

#define NLA_PUT_U32(skb, attrtype, value) \
	 NLA_PUT_TYPE(skb, u32, attrtype, value)

#endif
	WLAN_STATUS rStatus = WLAN_STATUS_SUCCESS;
	INT_32 i4Status = -EINVAL;
	UINT_32 u4BufLen;
	UINT_32 u4LinkScore;
	UINT_32 u4TotalError;
	UINT_32 u4TxExceedThresholdCount;
	UINT_32 u4TxTotalCount;

	P_NL80211_DRIVER_GET_STA_STATISTICS_PARAMS prParams = NULL;
	PARAM_GET_STA_STA_STATISTICS rQueryStaStatistics;
	struct sk_buff *skb;

	ASSERT(wiphy);
	ASSERT(prGlueInfo);

	if (data && len) {
		prParams = (P_NL80211_DRIVER_GET_STA_STATISTICS_PARAMS) data;
	}

	if (!prParams->aucMacAddr) {
		DBGLOG(QM, TRACE, ("%s MAC Address is NULL\n", __func__));
		i4Status = -EINVAL;
		goto nla_put_failure;
	}

	skb = cfg80211_testmode_alloc_reply_skb(wiphy, sizeof(PARAM_GET_STA_STA_STATISTICS) + 1);

	if (!skb) {
		DBGLOG(QM, TRACE, ("%s allocate skb failed:\n", __func__));
		i4Status = -ENOMEM;
		goto nla_put_failure;
	}

	DBGLOG(QM, TRACE, ("Get [" MACSTR "] STA statistics\n", MAC2STR(prParams->aucMacAddr)));

	kalMemZero(&rQueryStaStatistics, sizeof(rQueryStaStatistics));
	COPY_MAC_ADDR(rQueryStaStatistics.aucMacAddr, prParams->aucMacAddr);

	rStatus = kalIoctl(prGlueInfo,
			   wlanoidQueryStaStatistics,
			   &rQueryStaStatistics,
			   sizeof(rQueryStaStatistics), TRUE, FALSE, TRUE, TRUE, &u4BufLen);

	/* Calcute Link Score */
	u4TxExceedThresholdCount = rQueryStaStatistics.u4TxExceedThresholdCount;
	u4TxTotalCount = rQueryStaStatistics.u4TxTotalCount;
	u4TotalError = rQueryStaStatistics.u4TxFailCount + rQueryStaStatistics.u4TxLifeTimeoutCount;

	/* u4LinkScore 10~100 , ExceedThreshold ratio 0~90 only */
	/* u4LinkScore 0~9    , Drop packet ratio 0~9 and all packets exceed threshold */
	if (u4TxTotalCount) {
		if (u4TxExceedThresholdCount <= u4TxTotalCount) {
			u4LinkScore = (90 - ((u4TxExceedThresholdCount * 90) / u4TxTotalCount));
		} else {
			u4LinkScore = 0;
		}
	} else {
		u4LinkScore = 90;
	}

	u4LinkScore += 10;

	if (u4LinkScore == 10) {

		if (u4TotalError <= u4TxTotalCount) {
			u4LinkScore = (10 - ((u4TotalError * 10) / u4TxTotalCount));
		} else {
			u4LinkScore = 0;
		}

	}

	if (u4LinkScore > 100) {
		u4LinkScore = 100;
	}


	NLA_PUT_U8(skb, NL80211_TESTMODE_STA_STATISTICS_INVALID, 0);
	NLA_PUT_U8(skb, NL80211_TESTMODE_STA_STATISTICS_VERSION, NL80211_DRIVER_TESTMODE_VERSION);
	NLA_PUT(skb, NL80211_TESTMODE_STA_STATISTICS_MAC, MAC_ADDR_LEN, prParams->aucMacAddr);
	NLA_PUT_U8(skb, NL80211_TESTMODE_STA_STATISTICS_LINK_SCORE, u4LinkScore);
	NLA_PUT_U32(skb, NL80211_TESTMODE_STA_STATISTICS_FLAG, rQueryStaStatistics.u4Flag);

	/* FW part STA link status */
	NLA_PUT_U8(skb, NL80211_TESTMODE_STA_STATISTICS_PER, rQueryStaStatistics.ucPer);
	NLA_PUT_U8(skb, NL80211_TESTMODE_STA_STATISTICS_RSSI, rQueryStaStatistics.ucRcpi);
	NLA_PUT_U32(skb, NL80211_TESTMODE_STA_STATISTICS_PHY_MODE, rQueryStaStatistics.u4PhyMode);
	NLA_PUT_U16(skb, NL80211_TESTMODE_STA_STATISTICS_TX_RATE, rQueryStaStatistics.u2LinkSpeed);
	NLA_PUT_U32(skb, NL80211_TESTMODE_STA_STATISTICS_FAIL_CNT,
		    rQueryStaStatistics.u4TxFailCount);
	NLA_PUT_U32(skb, NL80211_TESTMODE_STA_STATISTICS_TIMEOUT_CNT,
		    rQueryStaStatistics.u4TxLifeTimeoutCount);
	NLA_PUT_U32(skb, NL80211_TESTMODE_STA_STATISTICS_AVG_AIR_TIME,
		    rQueryStaStatistics.u4TxAverageAirTime);

	/* Driver part link status */
	NLA_PUT_U32(skb, NL80211_TESTMODE_STA_STATISTICS_TOTAL_CNT,
		    rQueryStaStatistics.u4TxTotalCount);
	NLA_PUT_U32(skb, NL80211_TESTMODE_STA_STATISTICS_THRESHOLD_CNT,
		    rQueryStaStatistics.u4TxExceedThresholdCount);
	NLA_PUT_U32(skb, NL80211_TESTMODE_STA_STATISTICS_AVG_PROCESS_TIME,
		    rQueryStaStatistics.u4TxAverageProcessTime);

	/* Network counter */
	NLA_PUT(skb,
		NL80211_TESTMODE_STA_STATISTICS_TC_EMPTY_CNT_ARRAY,
		sizeof(rQueryStaStatistics.au4TcResourceEmptyCount),
		rQueryStaStatistics.au4TcResourceEmptyCount);

	/* Sta queue length */
	NLA_PUT(skb,
		NL80211_TESTMODE_STA_STATISTICS_TC_QUE_LEN_ARRAY,
		sizeof(rQueryStaStatistics.au4TcQueLen), rQueryStaStatistics.au4TcQueLen);

	/* Global QM counter */
	NLA_PUT(skb,
		NL80211_TESTMODE_STA_STATISTICS_TC_AVG_QUE_LEN_ARRAY,
		sizeof(rQueryStaStatistics.au4TcAverageQueLen),
		rQueryStaStatistics.au4TcAverageQueLen);

	NLA_PUT(skb,
		NL80211_TESTMODE_STA_STATISTICS_TC_CUR_QUE_LEN_ARRAY,
		sizeof(rQueryStaStatistics.au4TcCurrentQueLen),
		rQueryStaStatistics.au4TcCurrentQueLen);

	/* Reserved field */
	NLA_PUT(skb,
		NL80211_TESTMODE_STA_STATISTICS_RESERVED_ARRAY,
		sizeof(rQueryStaStatistics.au4Reserved), rQueryStaStatistics.au4Reserved);

	i4Status = cfg80211_testmode_reply(skb);

 nla_put_failure:
	return i4Status;
}
/*
 * This function handles the user application commands for driver.
 *
 * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
 * handlers respectively.
 *
 * If it's an unknown commdn ID, -ENOSYS is replied; otherwise, the returned
 * value of the actual command execution is replied to the user application.
 *
 * If there's any message responding to the user space, IWL_TM_ATTR_SYNC_RSP
 * is used for carry the message while IWL_TM_ATTR_COMMAND must set to
 * IWL_TM_CMD_DEV2APP_SYNC_RSP.
 *
 * @hw: ieee80211_hw object that represents the device
 * @tb: gnl message fields from the user space
 */
static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb)
{
	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
	struct iwl_trans *trans = trans(priv);
	struct sk_buff *skb;
	unsigned char *rsp_data_ptr = NULL;
	int status = 0, rsp_data_len = 0;
	u32 devid, inst_size = 0, data_size = 0;
	const struct fw_img *img;

	switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
	case IWL_TM_CMD_APP2DEV_GET_DEVICENAME:
		rsp_data_ptr = (unsigned char *)cfg(priv)->name;
		rsp_data_len = strlen(cfg(priv)->name);
		skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy,
							rsp_data_len + 20);
		if (!skb) {
			IWL_ERR(priv, "Memory allocation fail\n");
			return -ENOMEM;
		}
		NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND,
			    IWL_TM_CMD_DEV2APP_SYNC_RSP);
		NLA_PUT(skb, IWL_TM_ATTR_SYNC_RSP,
			rsp_data_len, rsp_data_ptr);
		status = cfg80211_testmode_reply(skb);
		if (status < 0)
			IWL_ERR(priv, "Error sending msg : %d\n", status);
		break;

	case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW:
		status = iwl_load_ucode_wait_alive(priv, IWL_UCODE_INIT);
		if (status)
			IWL_ERR(priv, "Error loading init ucode: %d\n", status);
		break;

	case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB:
		iwl_testmode_cfg_init_calib(priv);
		priv->ucode_loaded = false;
		iwl_trans_stop_device(trans);
		break;

	case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW:
		status = iwl_load_ucode_wait_alive(priv, IWL_UCODE_REGULAR);
		if (status) {
			IWL_ERR(priv,
				"Error loading runtime ucode: %d\n", status);
			break;
		}
		status = iwl_alive_start(priv);
		if (status)
			IWL_ERR(priv,
				"Error starting the device: %d\n", status);
		break;

	case IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW:
		iwl_scan_cancel_timeout(priv, 200);
		priv->ucode_loaded = false;
		iwl_trans_stop_device(trans);
		status = iwl_load_ucode_wait_alive(priv, IWL_UCODE_WOWLAN);
		if (status) {
			IWL_ERR(priv,
				"Error loading WOWLAN ucode: %d\n", status);
			break;
		}
		status = iwl_alive_start(priv);
		if (status)
			IWL_ERR(priv,
				"Error starting the device: %d\n", status);
		break;

	case IWL_TM_CMD_APP2DEV_GET_EEPROM:
		if (priv->shrd->eeprom) {
			skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy,
				cfg(priv)->base_params->eeprom_size + 20);
			if (!skb) {
				IWL_ERR(priv, "Memory allocation fail\n");
				return -ENOMEM;
			}
			NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND,
				IWL_TM_CMD_DEV2APP_EEPROM_RSP);
			NLA_PUT(skb, IWL_TM_ATTR_EEPROM,
				cfg(priv)->base_params->eeprom_size,
				priv->shrd->eeprom);
			status = cfg80211_testmode_reply(skb);
			if (status < 0)
				IWL_ERR(priv, "Error sending msg : %d\n",
					status);
		} else
			return -EFAULT;
		break;

	case IWL_TM_CMD_APP2DEV_FIXRATE_REQ:
		if (!tb[IWL_TM_ATTR_FIXRATE]) {
			IWL_ERR(priv, "Missing fixrate setting\n");
			return -ENOMSG;
		}
		priv->tm_fixed_rate = nla_get_u32(tb[IWL_TM_ATTR_FIXRATE]);
		break;

	case IWL_TM_CMD_APP2DEV_GET_FW_VERSION:
		IWL_INFO(priv, "uCode version raw: 0x%x\n",
			 priv->fw->ucode_ver);

		skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20);
		if (!skb) {
			IWL_ERR(priv, "Memory allocation fail\n");
			return -ENOMEM;
		}
		NLA_PUT_U32(skb, IWL_TM_ATTR_FW_VERSION,
			    priv->fw->ucode_ver);
		status = cfg80211_testmode_reply(skb);
		if (status < 0)
			IWL_ERR(priv, "Error sending msg : %d\n", status);
		break;

	case IWL_TM_CMD_APP2DEV_GET_DEVICE_ID:
		devid = trans(priv)->hw_id;
		IWL_INFO(priv, "hw version: 0x%x\n", devid);

		skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20);
		if (!skb) {
			IWL_ERR(priv, "Memory allocation fail\n");
			return -ENOMEM;
		}
		NLA_PUT_U32(skb, IWL_TM_ATTR_DEVICE_ID, devid);
		status = cfg80211_testmode_reply(skb);
		if (status < 0)
			IWL_ERR(priv, "Error sending msg : %d\n", status);
		break;

	case IWL_TM_CMD_APP2DEV_GET_FW_INFO:
		skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20 + 8);
		if (!skb) {
			IWL_ERR(priv, "Memory allocation fail\n");
			return -ENOMEM;
		}
		if (!priv->ucode_loaded) {
			IWL_ERR(priv, "No uCode has not been loaded\n");
			return -EINVAL;
		} else {
			img = &priv->fw->img[priv->shrd->ucode_type];
			inst_size = img->sec[IWL_UCODE_SECTION_INST].len;
			data_size = img->sec[IWL_UCODE_SECTION_DATA].len;
		}
		NLA_PUT_U32(skb, IWL_TM_ATTR_FW_TYPE, priv->shrd->ucode_type);
		NLA_PUT_U32(skb, IWL_TM_ATTR_FW_INST_SIZE, inst_size);
		NLA_PUT_U32(skb, IWL_TM_ATTR_FW_DATA_SIZE, data_size);
		status = cfg80211_testmode_reply(skb);
		if (status < 0)
			IWL_ERR(priv, "Error sending msg : %d\n", status);
		break;

	default:
		IWL_ERR(priv, "Unknown testmode driver command ID\n");
		return -ENOSYS;
	}
	return status;

nla_put_failure:
	kfree_skb(skb);
	return -EMSGSIZE;
}
/*
 * This function handles the user application commands for register access.
 *
 * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
 * handlers respectively.
 *
 * If it's an unknown commdn ID, -ENOSYS is returned; or -ENOMSG if the
 * mandatory fields(IWL_TM_ATTR_REG_OFFSET,IWL_TM_ATTR_REG_VALUE32,
 * IWL_TM_ATTR_REG_VALUE8) are missing; Otherwise 0 is replied indicating
 * the success of the command execution.
 *
 * If IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_REG_READ32, the register read
 * value is returned with IWL_TM_ATTR_REG_VALUE32.
 *
 * @hw: ieee80211_hw object that represents the device
 * @tb: gnl message fields from the user space
 */
static int iwl_testmode_reg(struct ieee80211_hw *hw, struct nlattr **tb)
{
	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
	u32 ofs, val32, cmd;
	u8 val8;
	struct sk_buff *skb;
	int status = 0;

	if (!tb[IWL_TM_ATTR_REG_OFFSET]) {
		IWL_ERR(priv, "Missing register offset\n");
		return -ENOMSG;
	}
	ofs = nla_get_u32(tb[IWL_TM_ATTR_REG_OFFSET]);
	IWL_INFO(priv, "testmode register access command offset 0x%x\n", ofs);

	/* Allow access only to FH/CSR/HBUS in direct mode.
	Since we don't have the upper bounds for the CSR and HBUS segments,
	we will use only the upper bound of FH for sanity check. */
	cmd = nla_get_u32(tb[IWL_TM_ATTR_COMMAND]);
	if ((cmd == IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32 ||
		cmd == IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32 ||
		cmd == IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8) &&
		(ofs >= FH_MEM_UPPER_BOUND)) {
		IWL_ERR(priv, "offset out of segment (0x0 - 0x%x)\n",
			FH_MEM_UPPER_BOUND);
		return -EINVAL;
	}

	switch (cmd) {
	case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32:
		val32 = iwl_read_direct32(trans(priv), ofs);
		IWL_INFO(priv, "32bit value to read 0x%x\n", val32);

		skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20);
		if (!skb) {
			IWL_ERR(priv, "Memory allocation fail\n");
			return -ENOMEM;
		}
		NLA_PUT_U32(skb, IWL_TM_ATTR_REG_VALUE32, val32);
		status = cfg80211_testmode_reply(skb);
		if (status < 0)
			IWL_ERR(priv, "Error sending msg : %d\n", status);
		break;
	case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32:
		if (!tb[IWL_TM_ATTR_REG_VALUE32]) {
			IWL_ERR(priv, "Missing value to write\n");
			return -ENOMSG;
		} else {
			val32 = nla_get_u32(tb[IWL_TM_ATTR_REG_VALUE32]);
			IWL_INFO(priv, "32bit value to write 0x%x\n", val32);
			iwl_write_direct32(trans(priv), ofs, val32);
		}
		break;
	case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8:
		if (!tb[IWL_TM_ATTR_REG_VALUE8]) {
			IWL_ERR(priv, "Missing value to write\n");
			return -ENOMSG;
		} else {
			val8 = nla_get_u8(tb[IWL_TM_ATTR_REG_VALUE8]);
			IWL_INFO(priv, "8bit value to write 0x%x\n", val8);
			iwl_write8(trans(priv), ofs, val8);
		}
		break;
	default:
		IWL_ERR(priv, "Unknown testmode register command ID\n");
		return -ENOSYS;
	}

	return status;

nla_put_failure:
	kfree_skb(skb);
	return -EMSGSIZE;
}
/*
 * This function handles the user application commands to the ucode.
 *
 * It retrieves the mandatory fields IWL_TM_ATTR_UCODE_CMD_ID and
 * IWL_TM_ATTR_UCODE_CMD_DATA and calls to the handler to send the
 * host command to the ucode.
 *
 * If any mandatory field is missing, -ENOMSG is replied to the user space
 * application; otherwise, waits for the host command to be sent and checks
 * the return code. In case or error, it is returned, otherwise a reply is
 * allocated and the reply RX packet
 * is returned.
 *
 * @hw: ieee80211_hw object that represents the device
 * @tb: gnl message fields from the user space
 */
static int iwl_testmode_ucode(struct ieee80211_hw *hw, struct nlattr **tb)
{
	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
	struct iwl_host_cmd cmd;
	struct iwl_rx_packet *pkt;
	struct sk_buff *skb;
	void *reply_buf;
	u32 reply_len;
	int ret;
	bool cmd_want_skb;

	memset(&cmd, 0, sizeof(struct iwl_host_cmd));

	if (!tb[IWL_TM_ATTR_UCODE_CMD_ID] ||
	    !tb[IWL_TM_ATTR_UCODE_CMD_DATA]) {
		IWL_ERR(priv, "Missing ucode command mandatory fields\n");
		return -ENOMSG;
	}

	cmd.flags = CMD_ON_DEMAND | CMD_SYNC;
	cmd_want_skb = nla_get_flag(tb[IWL_TM_ATTR_UCODE_CMD_SKB]);
	if (cmd_want_skb)
		cmd.flags |= CMD_WANT_SKB;

	cmd.id = nla_get_u8(tb[IWL_TM_ATTR_UCODE_CMD_ID]);
	cmd.data[0] = nla_data(tb[IWL_TM_ATTR_UCODE_CMD_DATA]);
	cmd.len[0] = nla_len(tb[IWL_TM_ATTR_UCODE_CMD_DATA]);
	cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY;
	IWL_DEBUG_INFO(priv, "testmode ucode command ID 0x%x, flags 0x%x,"
				" len %d\n", cmd.id, cmd.flags, cmd.len[0]);

	ret = iwl_dvm_send_cmd(priv, &cmd);
	if (ret) {
		IWL_ERR(priv, "Failed to send hcmd\n");
		return ret;
	}
	if (!cmd_want_skb)
		return ret;

	/* Handling return of SKB to the user */
	pkt = cmd.resp_pkt;
	if (!pkt) {
		IWL_ERR(priv, "HCMD received a null response packet\n");
		return ret;
	}

	reply_len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
	skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, reply_len + 20);
	reply_buf = kmalloc(reply_len, GFP_KERNEL);
	if (!skb || !reply_buf) {
		kfree_skb(skb);
		kfree(reply_buf);
		return -ENOMEM;
	}

	/* The reply is in a page, that we cannot send to user space. */
	memcpy(reply_buf, &(pkt->hdr), reply_len);
	iwl_free_resp(&cmd);

	NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND, IWL_TM_CMD_DEV2APP_UCODE_RX_PKT);
	NLA_PUT(skb, IWL_TM_ATTR_UCODE_RX_PKT, reply_len, reply_buf);
	return cfg80211_testmode_reply(skb);

nla_put_failure:
	IWL_DEBUG_INFO(priv, "Failed creating NL attributes\n");
	return -ENOMSG;
}
Пример #18
0
int dhd_cfg80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0) */
{
	struct sk_buff *reply;
	struct bcm_cfg80211 *cfg;
	dhd_pub_t *dhd;
	struct bcm_nlmsg_hdr *nlioc = data;
	dhd_ioctl_t ioc = { 0 };
	int err = 0;
	void *buf = NULL, *cur;
	u16 buflen;
	u16 maxmsglen = PAGE_SIZE - 0x100;
	bool newbuf = false;
	int8 index = 0;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
	struct net_device *ndev = NULL;
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0) */

	WL_TRACE(("entry: cmd = %d\n", nlioc->cmd));
	cfg = wiphy_priv(wiphy);
	dhd = cfg->pub;

	DHD_OS_WAKE_LOCK(dhd);

	/* send to dongle only if we are not waiting for reload already */
	if (dhd->hang_was_sent) {
		WL_ERR(("HANG was sent up earlier\n"));
		DHD_OS_WAKE_LOCK_CTRL_TIMEOUT_ENABLE(dhd, DHD_EVENT_TIMEOUT_MS);
		DHD_OS_WAKE_UNLOCK(dhd);
		return OSL_ERROR(BCME_DONGLE_DOWN);
	}

	len -= sizeof(struct bcm_nlmsg_hdr);

	if (nlioc->len > 0) {
		if (nlioc->len <= len) {
			buf = (void *)nlioc + nlioc->offset;
			*(char *)(buf + nlioc->len) = '\0';
		} else {
			if (nlioc->len > DHD_IOCTL_MAXLEN)
				nlioc->len = DHD_IOCTL_MAXLEN;
			buf = vzalloc(nlioc->len);
			if (!buf)
				return -ENOMEM;
			newbuf = true;
			memcpy(buf, (void *)nlioc + nlioc->offset, len);
			*(char *)(buf + len) = '\0';
		}
	}

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
	ndev = wdev_to_wlc_ndev(wdev, cfg);
	index = dhd_net2idx(dhd->info, ndev);
	if (index == DHD_BAD_IF) {
		WL_ERR(("Bad ifidx from wdev:%p\n", wdev));
		return BCME_ERROR;
	}
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0) */

	ioc.cmd = nlioc->cmd;
	ioc.len = nlioc->len;
	ioc.set = nlioc->set;
	ioc.driver = nlioc->magic;
	err = dhd_ioctl_process(dhd, index, &ioc, buf);
	if (err) {
		WL_TRACE(("dhd_ioctl_process return err %d\n", err));
		err = OSL_ERROR(err);
		goto done;
	}

	cur = buf;
	while (nlioc->len > 0) {
		buflen = nlioc->len > maxmsglen ? maxmsglen : nlioc->len;
		nlioc->len -= buflen;
		reply = cfg80211_testmode_alloc_reply_skb(wiphy, buflen+4);
		if (!reply) {
			WL_ERR(("Failed to allocate reply msg\n"));
			err = -ENOMEM;
			break;
		}

		if (nla_put(reply, BCM_NLATTR_DATA, buflen, cur) ||
			nla_put_u16(reply, BCM_NLATTR_LEN, buflen)) {
			kfree_skb(reply);
			err = -ENOBUFS;
			break;
		}

		do {
			err = cfg80211_testmode_reply(reply);
		} while (err == -EAGAIN);
		if (err) {
			WL_ERR(("testmode reply failed:%d\n", err));
			break;
		}
		cur += buflen;
	}

done:
	if (newbuf)
		vfree(buf);
	DHD_OS_WAKE_UNLOCK(dhd);
	return err;
}
Пример #19
0
static struct sk_buff*
iwl_testmode_alloc_reply(struct iwl_op_mode *op_mode, int len)
{
	struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
	return cfg80211_testmode_alloc_reply_skb(priv->hw->wiphy, len);
}
struct sk_buff *iwl_mvm_testmode_alloc_reply(struct iwl_op_mode *op_mode,
					     int len)
{
	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
	return cfg80211_testmode_alloc_reply_skb(mvm->hw->wiphy, len);
}