/**
* struct skb_frame_desc: Descriptor information for the skb buffer
*
- * This structure is placed over the skb->cb array, this means that
- * this structure should not exceed the size of that array (48 bytes).
+ * This structure is placed over the driver_data array, this means that
+ * this structure should not exceed the size of that array (40 bytes).
*
* @flags: Frame flags, see &enum skb_frame_desc_flags.
* @data: Pointer to data part of frame (Start of ieee80211 header).
struct queue_entry *entry;
};
+/**
+ * get_skb_frame_desc - Obtain the rt2x00 frame descriptor from a sk_buff.
+ * @skb: &struct sk_buff from where we obtain the &struct skb_frame_desc
+ */
static inline struct skb_frame_desc* get_skb_frame_desc(struct sk_buff *skb)
{
- BUILD_BUG_ON(sizeof(struct skb_frame_desc) > sizeof(skb->cb));
- return (struct skb_frame_desc *)&skb->cb[0];
+ BUILD_BUG_ON(sizeof(struct skb_frame_desc) >
+ IEEE80211_TX_INFO_DRIVER_DATA_SIZE);
+ return (struct skb_frame_desc *)&IEEE80211_SKB_CB(skb)->driver_data;
}
/**
* Summary of information that has been read from the TX frame descriptor
* after the device is done with transmission.
*
- * @control: Control structure which was used to transmit the frame.
* @flags: TX done flags (See &enum txdone_entry_desc_flags).
* @retry: Retry count.
*/
struct txdone_entry_desc {
- struct ieee80211_tx_control *control;
unsigned long flags;
int retry;
};