C++ (Cpp) mwifiex_process_sleep_confirm_resp 예제들

예제 #1

파일: sdio.c 프로젝트: DirtyDroidX/android_kernel_htc_m8ul

static int mwifiex_decode_rx_packet(struct mwifiex_adapter *adapter,
				    struct sk_buff *skb, u32 upld_typ)
{
	u8 *cmd_buf;

	skb_pull(skb, INTF_HEADER_LEN);

	switch (upld_typ) {
	case MWIFIEX_TYPE_DATA:
		dev_dbg(adapter->dev, "info: --- Rx: Data packet ---\n");
		mwifiex_handle_rx_packet(adapter, skb);
		break;

	case MWIFIEX_TYPE_CMD:
		dev_dbg(adapter->dev, "info: --- Rx: Cmd Response ---\n");
		
		if (!adapter->curr_cmd) {
			cmd_buf = adapter->upld_buf;

			if (adapter->ps_state == PS_STATE_SLEEP_CFM)
				mwifiex_process_sleep_confirm_resp(adapter,
								   skb->data,
								   skb->len);

			memcpy(cmd_buf, skb->data,
			       min_t(u32, MWIFIEX_SIZE_OF_CMD_BUFFER,
				     skb->len));

			dev_kfree_skb_any(skb);
		} else {
			adapter->cmd_resp_received = true;
			adapter->curr_cmd->resp_skb = skb;
		}
		break;

	case MWIFIEX_TYPE_EVENT:
		dev_dbg(adapter->dev, "info: --- Rx: Event ---\n");
		adapter->event_cause = *(u32 *) skb->data;

		skb_pull(skb, MWIFIEX_EVENT_HEADER_LEN);

		if ((skb->len > 0) && (skb->len  < MAX_EVENT_SIZE))
			memcpy(adapter->event_body, skb->data, skb->len);

		
		adapter->event_received = true;
		adapter->event_skb = skb;

		break;

	default:
		dev_err(adapter->dev, "unknown upload type %#x\n", upld_typ);
		dev_kfree_skb_any(skb);
		break;
	}

	return 0;
}

예제 #2

파일: usb.c 프로젝트: 7799/linux

/* This function handles received packet. Necessary action is taken based on
 * cmd/event/data.
 */
static int mwifiex_usb_recv(struct mwifiex_adapter *adapter,
			    struct sk_buff *skb, u8 ep)
{
	struct device *dev = adapter->dev;
	u32 recv_type;
	__le32 tmp;
	int ret;

	if (adapter->hs_activated)
		mwifiex_process_hs_config(adapter);

	if (skb->len < INTF_HEADER_LEN) {
		dev_err(dev, "%s: invalid skb->len\n", __func__);
		return -1;
	}

	switch (ep) {
	case MWIFIEX_USB_EP_CMD_EVENT:
		dev_dbg(dev, "%s: EP_CMD_EVENT\n", __func__);
		skb_copy_from_linear_data(skb, &tmp, INTF_HEADER_LEN);
		recv_type = le32_to_cpu(tmp);
		skb_pull(skb, INTF_HEADER_LEN);

		switch (recv_type) {
		case MWIFIEX_USB_TYPE_CMD:
			if (skb->len > MWIFIEX_SIZE_OF_CMD_BUFFER) {
				dev_err(dev, "CMD: skb->len too large\n");
				ret = -1;
				goto exit_restore_skb;
			} else if (!adapter->curr_cmd) {
				dev_dbg(dev, "CMD: no curr_cmd\n");
				if (adapter->ps_state == PS_STATE_SLEEP_CFM) {
					mwifiex_process_sleep_confirm_resp(
							adapter, skb->data,
							skb->len);
					ret = 0;
					goto exit_restore_skb;
				}
				ret = -1;
				goto exit_restore_skb;
			}

			adapter->curr_cmd->resp_skb = skb;
			adapter->cmd_resp_received = true;
			break;
		case MWIFIEX_USB_TYPE_EVENT:
			if (skb->len < sizeof(u32)) {
				dev_err(dev, "EVENT: skb->len too small\n");
				ret = -1;
				goto exit_restore_skb;
			}
			skb_copy_from_linear_data(skb, &tmp, sizeof(u32));
			adapter->event_cause = le32_to_cpu(tmp);
			dev_dbg(dev, "event_cause %#x\n", adapter->event_cause);

			if (skb->len > MAX_EVENT_SIZE) {
				dev_err(dev, "EVENT: event body too large\n");
				ret = -1;
				goto exit_restore_skb;
			}

			memcpy(adapter->event_body, skb->data +
			       MWIFIEX_EVENT_HEADER_LEN, skb->len);

			adapter->event_received = true;
			adapter->event_skb = skb;
			break;
		default:
			dev_err(dev, "unknown recv_type %#x\n", recv_type);
			return -1;
		}
		break;
	case MWIFIEX_USB_EP_DATA:
		dev_dbg(dev, "%s: EP_DATA\n", __func__);
		if (skb->len > MWIFIEX_RX_DATA_BUF_SIZE) {
			dev_err(dev, "DATA: skb->len too large\n");
			return -1;
		}
		skb_queue_tail(&adapter->usb_rx_data_q, skb);
		adapter->data_received = true;
		break;
	default:
		dev_err(dev, "%s: unknown endport %#x\n", __func__, ep);
		return -1;
	}

	return -EINPROGRESS;

exit_restore_skb:
	/* The buffer will be reused for further cmds/events */
	skb_push(skb, INTF_HEADER_LEN);

	return ret;
}