1 files changed, 23 insertions, 2 deletions

diff --git a/drivers/net/wireless/zd1211rw/zd_mac.h b/drivers/net/wireless/zd1211rw/zd_mac.h
index 7c2759118d13..630c298a730e 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.h
+++ b/drivers/net/wireless/zd1211rw/zd_mac.h
@@ -140,6 +140,21 @@ struct rx_status {
 #define ZD_RX_CRC16_ERROR               0x40
 #define ZD_RX_ERROR                     0x80
 
+struct tx_retry_rate {
+        int count;      /* number of valid element in rate[] array */
+        int rate[10];   /* retry rates, described by an index in zd_rates[] */
+};
+
+struct tx_status {
+        u8 type;        /* must always be 0x01 : USB_INT_TYPE */
+        u8 id;          /* must always be 0xa0 : USB_INT_ID_RETRY_FAILED */
+        u8 rate;
+        u8 pad;
+        u8 mac[ETH_ALEN];
+        u8 retry;
+        u8 failure;
+} __attribute__((packed));
+
 enum mac_flags {
         MAC_FIXED_CHANNEL = 0x01,
 };
@@ -150,7 +165,7 @@ struct housekeeping {
 
 #define ZD_MAC_STATS_BUFFER_SIZE 16
 
-#define ZD_MAC_MAX_ACK_WAITERS 10
+#define ZD_MAC_MAX_ACK_WAITERS 50
 
 struct zd_mac {
         struct zd_chip chip;
@@ -184,6 +199,12 @@ struct zd_mac {
 
         /* whether to pass control frames to stack */
         unsigned int pass_ctrl:1;
+
+        /* whether we have received a 802.11 ACK that is pending */
+        unsigned int ack_pending:1;
+
+        /* signal strength of the last 802.11 ACK received */
+        int ack_signal;
 };
 
 #define ZD_REGDOMAIN_FCC        0x10
@@ -279,7 +300,7 @@ int zd_mac_preinit_hw(struct ieee80211_hw *hw);
 int zd_mac_init_hw(struct ieee80211_hw *hw);
 
 int zd_mac_rx(struct ieee80211_hw *hw, const u8 *buffer, unsigned int length);
-void zd_mac_tx_failed(struct ieee80211_hw *hw);
+void zd_mac_tx_failed(struct urb *urb);
 void zd_mac_tx_to_dev(struct sk_buff *skb, int error);
 
 #ifdef DEBUG