diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00usb.c | 32 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00usb.h | 21 |
2 files changed, 52 insertions, 1 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c index 83862e7f7ae..933e6cc9359 100644 --- a/drivers/net/wireless/rt2x00/rt2x00usb.c +++ b/drivers/net/wireless/rt2x00/rt2x00usb.c @@ -122,6 +122,38 @@ int rt2x00usb_vendor_request_buff(struct rt2x00_dev *rt2x00dev, } EXPORT_SYMBOL_GPL(rt2x00usb_vendor_request_buff); +int rt2x00usb_vendor_request_large_buff(struct rt2x00_dev *rt2x00dev, + const u8 request, const u8 requesttype, + const u16 offset, void *buffer, + const u16 buffer_length, + const int timeout) +{ + int status = 0; + unsigned char *tb; + u16 off, len, bsize; + + mutex_lock(&rt2x00dev->usb_cache_mutex); + + tb = buffer; + off = offset; + len = buffer_length; + while (len && !status) { + bsize = min_t(u16, CSR_CACHE_SIZE, len); + status = rt2x00usb_vendor_req_buff_lock(rt2x00dev, request, + requesttype, off, tb, + bsize, timeout); + + tb += bsize; + len -= bsize; + off += bsize; + } + + mutex_unlock(&rt2x00dev->usb_cache_mutex); + + return status; +} +EXPORT_SYMBOL_GPL(rt2x00usb_vendor_request_large_buff); + /* * TX data handlers. */ diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.h b/drivers/net/wireless/rt2x00/rt2x00usb.h index aad794adf52..8d5d4272e88 100644 --- a/drivers/net/wireless/rt2x00/rt2x00usb.h +++ b/drivers/net/wireless/rt2x00/rt2x00usb.h @@ -70,7 +70,7 @@ /* * Cache size */ -#define CSR_CACHE_SIZE 8 +#define CSR_CACHE_SIZE 64 #define CSR_CACHE_SIZE_FIRMWARE 64 /* @@ -172,6 +172,25 @@ int rt2x00usb_vendor_req_buff_lock(struct rt2x00_dev *rt2x00dev, const u16 buffer_length, const int timeout); /** + * rt2x00usb_vendor_request_large_buff - Send register command to device (buffered) + * @rt2x00dev: Pointer to &struct rt2x00_dev + * @request: USB vendor command (See &enum rt2x00usb_vendor_request) + * @requesttype: Request type &USB_VENDOR_REQUEST_* + * @offset: Register start offset to perform action on + * @buffer: Buffer where information will be read/written to by device + * @buffer_length: Size of &buffer + * @timeout: Operation timeout + * + * This function is used to transfer register data in blocks larger + * then CSR_CACHE_SIZE. Use for firmware upload, keys and beacons. + */ +int rt2x00usb_vendor_request_large_buff(struct rt2x00_dev *rt2x00dev, + const u8 request, const u8 requesttype, + const u16 offset, void *buffer, + const u16 buffer_length, + const int timeout); + +/** * rt2x00usb_vendor_request_sw - Send single register command to device * @rt2x00dev: Pointer to &struct rt2x00_dev * @request: USB vendor command (See &enum rt2x00usb_vendor_request) |