rt2x00: Implement support for 802.11n

Extend rt2x00lib capabilities to support 802.11n,
it still lacks aggregation support, but that can
be added in the future.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2x00lib.h b/drivers/net/wireless/rt2x00/rt2x00lib.h
index aa284e48d2c2..ccc7ba4f3181 100644
--- a/drivers/net/wireless/rt2x00/rt2x00lib.h
+++ b/drivers/net/wireless/rt2x00/rt2x00lib.h
@@ -48,6 +48,7 @@ struct rt2x00_rate {
         unsigned short ratemask;
 
         unsigned short plcp;
+        unsigned short mcs;
 };
 
 extern const struct rt2x00_rate rt2x00_supported_rates[12];
@@ -57,6 +58,14 @@ static inline const struct rt2x00_rate *rt2x00_get_rate(const u16 hw_value)
         return &rt2x00_supported_rates[hw_value & 0xff];
 }
 
+#define RATE_MCS(__mode, __mcs) \
+        ( (((__mode) & 0x00ff) << 8) | ((__mcs) & 0x00ff) )
+
+static inline int rt2x00_get_rate_mcs(const u16 mcs_value)
+{
+        return (mcs_value & 0x00ff);
+}
+
 /*
  * Radio control handlers.
  */
@@ -360,6 +369,21 @@ static inline void rt2x00crypto_rx_insert_iv(struct sk_buff *skb, bool l2pad,
 #endif /* CONFIG_RT2X00_LIB_CRYPTO */
 
 /*
+ * HT handlers.
+ */
+#ifdef CONFIG_RT2X00_LIB_HT
+void rt2x00ht_create_tx_descriptor(struct queue_entry *entry,
+                                   struct txentry_desc *txdesc,
+                                   const struct rt2x00_rate *hwrate);
+#else
+static inline void rt2x00ht_create_tx_descriptor(struct queue_entry *entry,
+                                                 struct txentry_desc *txdesc,
+                                                 const struct rt2x00_rate *hwrate)
+{
+}
+#endif /* CONFIG_RT2X00_LIB_HT */
+
+/*
  * RFkill handlers.
  */
 #ifdef CONFIG_RT2X00_LIB_RFKILL