diff options
Diffstat (limited to 'drivers/net/wireless/rsi/rsi_91x_usb_ops.c')
| -rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_usb_ops.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_usb_ops.c b/drivers/net/wireless/rsi/rsi_91x_usb_ops.c new file mode 100644 index 000000000..5130b0e72 --- /dev/null +++ b/drivers/net/wireless/rsi/rsi_91x_usb_ops.c @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2014 Redpine Signals Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +#include <linux/firmware.h> +#include "rsi_usb.h" + +/** + * rsi_usb_rx_thread() - This is a kernel thread to receive the packets from + * the USB device. + * @common: Pointer to the driver private structure. + * + * Return: None. + */ +void rsi_usb_rx_thread(struct rsi_common *common) +{ + struct rsi_hw *adapter = common->priv; + struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev; + int status; + struct sk_buff *skb; + + do { + rsi_wait_event(&dev->rx_thread.event, EVENT_WAIT_FOREVER); + rsi_reset_event(&dev->rx_thread.event); + + while (true) { + if (atomic_read(&dev->rx_thread.thread_done)) + goto out; + + skb = skb_dequeue(&dev->rx_q); + if (!skb) + break; + status = rsi_read_pkt(common, skb->data, 0); + if (status) { + rsi_dbg(ERR_ZONE, "%s: Failed To read data", + __func__); + break; + } + dev_kfree_skb(skb); + } + } while (1); + +out: + rsi_dbg(INFO_ZONE, "%s: Terminated thread\n", __func__); + skb_queue_purge(&dev->rx_q); + kthread_complete_and_exit(&dev->rx_thread.completion, 0); +} + |