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path: root/drivers/net/wireless/rt2x00/rt2x00queue.h
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00queue.h')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00queue.h47
1 files changed, 35 insertions, 12 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h
index 9dbf04f0f04c..282937153408 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.h
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.h
@@ -104,22 +104,25 @@ enum skb_frame_desc_flags {
*
* @flags: Frame flags, see &enum skb_frame_desc_flags.
* @desc_len: Length of the frame descriptor.
+ * @tx_rate_idx: the index of the TX rate, used for TX status reporting
+ * @tx_rate_flags: the TX rate flags, used for TX status reporting
* @desc: Pointer to descriptor part of the frame.
* Note that this pointer could point to something outside
* of the scope of the skb->data pointer.
- * @iv: IV data used during encryption/decryption.
- * @eiv: EIV data used during encryption/decryption.
+ * @iv: IV/EIV data used during encryption/decryption.
* @skb_dma: (PCI-only) the DMA address associated with the sk buffer.
* @entry: The entry to which this sk buffer belongs.
*/
struct skb_frame_desc {
- unsigned int flags;
+ u8 flags;
+
+ u8 desc_len;
+ u8 tx_rate_idx;
+ u8 tx_rate_flags;
- unsigned int desc_len;
void *desc;
- __le32 iv;
- __le32 eiv;
+ __le32 iv[2];
dma_addr_t skb_dma;
@@ -143,11 +146,15 @@ static inline struct skb_frame_desc* get_skb_frame_desc(struct sk_buff *skb)
* @RXDONE_SIGNAL_PLCP: Signal field contains the plcp value.
* @RXDONE_SIGNAL_BITRATE: Signal field contains the bitrate value.
* @RXDONE_MY_BSS: Does this frame originate from device's BSS.
+ * @RXDONE_CRYPTO_IV: Driver provided IV/EIV data.
+ * @RXDONE_CRYPTO_ICV: Driver provided ICV data.
*/
enum rxdone_entry_desc_flags {
RXDONE_SIGNAL_PLCP = 1 << 0,
RXDONE_SIGNAL_BITRATE = 1 << 1,
RXDONE_MY_BSS = 1 << 2,
+ RXDONE_CRYPTO_IV = 1 << 3,
+ RXDONE_CRYPTO_ICV = 1 << 4,
};
/**
@@ -163,8 +170,7 @@ enum rxdone_entry_desc_flags {
* @dev_flags: Ralink receive flags (See &enum rxdone_entry_desc_flags).
* @cipher: Cipher type used during decryption.
* @cipher_status: Decryption status.
- * @iv: IV data used during decryption.
- * @eiv: EIV data used during decryption.
+ * @iv: IV/EIV data used during decryption.
* @icv: ICV data used during decryption.
*/
struct rxdone_entry_desc {
@@ -177,8 +183,7 @@ struct rxdone_entry_desc {
u8 cipher;
u8 cipher_status;
- __le32 iv;
- __le32 eiv;
+ __le32 iv[2];
__le32 icv;
};
@@ -375,6 +380,8 @@ enum queue_index {
* @cw_max: The cw max value for outgoing frames (field ignored in RX queue).
* @data_size: Maximum data size for the frames in this queue.
* @desc_size: Hardware descriptor size for the data in this queue.
+ * @usb_endpoint: Device endpoint used for communication (USB only)
+ * @usb_maxpacket: Max packet size for given endpoint (USB only)
*/
struct data_queue {
struct rt2x00_dev *rt2x00dev;
@@ -396,6 +403,9 @@ struct data_queue {
unsigned short data_size;
unsigned short desc_size;
+
+ unsigned short usb_endpoint;
+ unsigned short usb_maxpacket;
};
/**
@@ -439,6 +449,19 @@ struct data_queue_desc {
&(__dev)->tx[(__dev)->ops->tx_queues]
/**
+ * queue_next - Return pointer to next queue in list (HELPER MACRO).
+ * @__queue: Current queue for which we need the next queue
+ *
+ * Using the current queue address we take the address directly
+ * after the queue to take the next queue. Note that this macro
+ * should be used carefully since it does not protect against
+ * moving past the end of the list. (See macros &queue_end and
+ * &tx_queue_end for determining the end of the queue).
+ */
+#define queue_next(__queue) \
+ &(__queue)[1]
+
+/**
* queue_loop - Loop through the queues within a specific range (HELPER MACRO).
* @__entry: Pointer where the current queue entry will be stored in.
* @__start: Start queue pointer.
@@ -448,8 +471,8 @@ struct data_queue_desc {
*/
#define queue_loop(__entry, __start, __end) \
for ((__entry) = (__start); \
- prefetch(&(__entry)[1]), (__entry) != (__end); \
- (__entry) = &(__entry)[1])
+ prefetch(queue_next(__entry)), (__entry) != (__end);\
+ (__entry) = queue_next(__entry))
/**
* queue_for_each - Loop through all queues