diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00queue.h')
-rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00queue.h | 47 |
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 |