mac80211: free up 2 bytes in skb->cb

[safe/jmp/linux-2.6] / drivers / net / wireless / rt2x00 / rt2500usb.h

diff --git a/drivers/net/wireless/rt2x00/rt2500usb.h b/drivers/net/wireless/rt2x00/rt2500usb.h
index a37a068..89e5ed2 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2500usb.h
+++ b/drivers/net/wireless/rt2x00/rt2500usb.h
@@ -48,8 +48,6 @@
  * Signal information.
  * Defaul offset is required for RSSI <-> dBm conversion.
  */
-#define MAX_SIGNAL                     100
-#define MAX_RX_SSI                     -1
 #define DEFAULT_RSSI_OFFSET            120
 
 /*
@@ -63,6 +61,11 @@
 #define RF_SIZE                                0x0014
 
 /*
+ * Number of TX queues.
+ */
+#define NUM_TX_QUEUES                  2
+
+/*
  * Control/Status Registers(CSR).
  * Some values are set in TU, whereas 1 TU == 1024 us.
  */
@@ -206,7 +209,7 @@
 #define MAC_CSR21_OFF_PERIOD           FIELD16(0xff00)
 
 /*
- * Collision window control register.
+ * MAC_CSR22: Collision window control register.
  */
 #define MAC_CSR22                      0x042c
 
@@ -293,7 +296,7 @@
 #define TXRX_CSR7_BBP_ID1_VALID                FIELD16(0x8000)
 
 /*
- * TXRX_CSR5: OFDM TX BBP ID1.
+ * TXRX_CSR8: OFDM TX BBP ID1.
  */
 #define TXRX_CSR8                      0x0450
 #define TXRX_CSR8_BBP_ID0              FIELD16(0x007f)
@@ -367,7 +370,14 @@
  */
 
 /*
- * SEC_CSR0-SEC_CSR7: Shared key 0, word 0-7
+ * SEC_CSR0: Shared key 0, word 0
+ * SEC_CSR1: Shared key 0, word 1
+ * SEC_CSR2: Shared key 0, word 2
+ * SEC_CSR3: Shared key 0, word 3
+ * SEC_CSR4: Shared key 0, word 4
+ * SEC_CSR5: Shared key 0, word 5
+ * SEC_CSR6: Shared key 0, word 6
+ * SEC_CSR7: Shared key 0, word 7
  */
 #define SEC_CSR0                       0x0480
 #define SEC_CSR1                       0x0482
@@ -379,7 +389,14 @@
 #define SEC_CSR7                       0x048e
 
 /*
- * SEC_CSR8-SEC_CSR15: Shared key 1, word 0-7
+ * SEC_CSR8: Shared key 1, word 0
+ * SEC_CSR9: Shared key 1, word 1
+ * SEC_CSR10: Shared key 1, word 2
+ * SEC_CSR11: Shared key 1, word 3
+ * SEC_CSR12: Shared key 1, word 4
+ * SEC_CSR13: Shared key 1, word 5
+ * SEC_CSR14: Shared key 1, word 6
+ * SEC_CSR15: Shared key 1, word 7
  */
 #define SEC_CSR8                       0x0490
 #define SEC_CSR9                       0x0492
@@ -391,7 +408,14 @@
 #define SEC_CSR15                      0x049e
 
 /*
- * SEC_CSR16-SEC_CSR23: Shared key 2, word 0-7
+ * SEC_CSR16: Shared key 2, word 0
+ * SEC_CSR17: Shared key 2, word 1
+ * SEC_CSR18: Shared key 2, word 2
+ * SEC_CSR19: Shared key 2, word 3
+ * SEC_CSR20: Shared key 2, word 4
+ * SEC_CSR21: Shared key 2, word 5
+ * SEC_CSR22: Shared key 2, word 6
+ * SEC_CSR23: Shared key 2, word 7
  */
 #define SEC_CSR16                      0x04a0
 #define SEC_CSR17                      0x04a2
@@ -403,7 +427,14 @@
 #define SEC_CSR23                      0x04ae
 
 /*
- * SEC_CSR24-SEC_CSR31: Shared key 3, word 0-7
+ * SEC_CSR24: Shared key 3, word 0
+ * SEC_CSR25: Shared key 3, word 1
+ * SEC_CSR26: Shared key 3, word 2
+ * SEC_CSR27: Shared key 3, word 3
+ * SEC_CSR28: Shared key 3, word 4
+ * SEC_CSR29: Shared key 3, word 5
+ * SEC_CSR30: Shared key 3, word 6
+ * SEC_CSR31: Shared key 3, word 7
  */
 #define SEC_CSR24                      0x04b0
 #define SEC_CSR25                      0x04b2
@@ -794,17 +825,10 @@
 #define MAX_TXPOWER    31
 #define DEFAULT_TXPOWER        24
 
-#define TXPOWER_FROM_DEV(__txpower)            \
-({                                             \
-       ((__txpower) > MAX_TXPOWER) ?           \
-               DEFAULT_TXPOWER : (__txpower);  \
-})
-
-#define TXPOWER_TO_DEV(__txpower)                      \
-({                                                     \
-       ((__txpower) <= MIN_TXPOWER) ? MIN_TXPOWER :    \
-       (((__txpower) >= MAX_TXPOWER) ? MAX_TXPOWER :   \
-       (__txpower));                                   \
-})
+#define TXPOWER_FROM_DEV(__txpower) \
+       (((u8)(__txpower)) > MAX_TXPOWER) ? DEFAULT_TXPOWER : (__txpower)
+
+#define TXPOWER_TO_DEV(__txpower) \
+       clamp_t(char, __txpower, MIN_TXPOWER, MAX_TXPOWER)
 
 #endif /* RT2500USB_H */