diff options
Diffstat (limited to 'drivers/net/wireless/rsi/rsi_91x_usb.c')
-rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_usb.c | 75 |
1 files changed, 59 insertions, 16 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_usb.c b/drivers/net/wireless/rsi/rsi_91x_usb.c index 8f8443833348..bbce809d3b47 100644 --- a/drivers/net/wireless/rsi/rsi_91x_usb.c +++ b/drivers/net/wireless/rsi/rsi_91x_usb.c @@ -247,12 +247,13 @@ static int rsi_usb_reg_write(struct usb_device *usbdev, */ static void rsi_rx_done_handler(struct urb *urb) { - struct rsi_hw *adapter = urb->context; - struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev; + struct rx_usb_ctrl_block *rx_cb = urb->context; + struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)rx_cb->data; if (urb->status) return; + rx_cb->pend = 1; rsi_set_event(&dev->rx_thread.event); } @@ -262,10 +263,11 @@ static void rsi_rx_done_handler(struct urb *urb) * * Return: 0 on success, a negative error code on failure. */ -static int rsi_rx_urb_submit(struct rsi_hw *adapter) +static int rsi_rx_urb_submit(struct rsi_hw *adapter, u8 ep_num) { struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev; - struct urb *urb = dev->rx_usb_urb[0]; + struct rx_usb_ctrl_block *rx_cb = &dev->rx_cb[ep_num - 1]; + struct urb *urb = rx_cb->rx_urb; int status; usb_fill_bulk_urb(urb, @@ -275,7 +277,7 @@ static int rsi_rx_urb_submit(struct rsi_hw *adapter) urb->transfer_buffer, 3000, rsi_rx_done_handler, - adapter); + rx_cb); status = usb_submit_urb(urb, GFP_KERNEL); if (status) @@ -484,14 +486,54 @@ static struct rsi_host_intf_ops usb_host_intf_ops = { */ static void rsi_deinit_usb_interface(struct rsi_hw *adapter) { + u8 idx; + struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev; rsi_kill_thread(&dev->rx_thread); - usb_free_urb(dev->rx_usb_urb[0]); + + for (idx = 0; idx < MAX_RX_URBS; idx++) { + usb_free_urb(dev->rx_cb[idx].rx_urb); + kfree(dev->rx_cb[idx].rx_buffer); + } + kfree(adapter->priv->rx_data_pkt); kfree(dev->tx_buffer); } +static int rsi_usb_init_rx(struct rsi_hw *adapter) +{ + struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev; + struct rx_usb_ctrl_block *rx_cb; + u8 idx; + + for (idx = 0; idx < MAX_RX_URBS; idx++) { + rx_cb = &dev->rx_cb[idx]; + + rx_cb->rx_buffer = kzalloc(RSI_USB_BUF_SIZE * 2, + GFP_KERNEL); + if (!rx_cb->rx_buffer) + goto err; + + rx_cb->rx_urb = usb_alloc_urb(0, GFP_KERNEL); + if (!rx_cb->rx_urb) { + rsi_dbg(ERR_ZONE, "Failed alloc rx urb[%d]\n", idx); + goto err; + } + rx_cb->rx_urb->transfer_buffer = rx_cb->rx_buffer; + rx_cb->ep_num = idx + 1; + rx_cb->data = (void *)dev; + } + return 0; + +err: + for (idx = 0; idx < MAX_RX_URBS; idx++) { + kfree(dev->rx_cb[idx].rx_buffer); + kfree(dev->rx_cb[idx].rx_urb); + } + return -1; +} + /** * rsi_init_usb_interface() - This function initializes the usb interface. * @adapter: Pointer to the adapter structure. @@ -504,7 +546,7 @@ static int rsi_init_usb_interface(struct rsi_hw *adapter, { struct rsi_91x_usbdev *rsi_dev; struct rsi_common *common = adapter->priv; - int status; + int status, i; rsi_dev = kzalloc(sizeof(*rsi_dev), GFP_KERNEL); if (!rsi_dev) @@ -531,12 +573,12 @@ static int rsi_init_usb_interface(struct rsi_hw *adapter, status = -ENOMEM; goto fail_tx; } - rsi_dev->rx_usb_urb[0] = usb_alloc_urb(0, GFP_KERNEL); - if (!rsi_dev->rx_usb_urb[0]) { - status = -ENOMEM; - goto fail_rx; + + if (rsi_usb_init_rx(adapter)) { + rsi_dbg(ERR_ZONE, "Failed to init RX handle\n"); + return -ENOMEM; } - rsi_dev->rx_usb_urb[0]->transfer_buffer = adapter->priv->rx_data_pkt; + rsi_dev->tx_blk_size = 252; adapter->block_size = rsi_dev->tx_blk_size; @@ -564,9 +606,10 @@ static int rsi_init_usb_interface(struct rsi_hw *adapter, return 0; fail_thread: - usb_free_urb(rsi_dev->rx_usb_urb[0]); -fail_rx: - kfree(rsi_dev->tx_buffer); + for (i = 0; i < MAX_RX_URBS; i++) { + kfree(rsi_dev->rx_cb[i].rx_buffer); + kfree(rsi_dev->rx_cb[i].rx_urb); + } fail_tx: kfree(common->rx_data_pkt); return status; @@ -698,7 +741,7 @@ static int rsi_probe(struct usb_interface *pfunction, rsi_dbg(INIT_ZONE, "%s: Device Init Done\n", __func__); } - status = rsi_rx_urb_submit(adapter); + status = rsi_rx_urb_submit(adapter, WLAN_EP); if (status) goto err1; |