/* * 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); complete_and_exit(&dev->rx_thread.completion, 0); }