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-rw-r--r--drivers/net/wireless/rt2x00/rt2x00usb.c32
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00usb.h21
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)