iwlwifi: fixes RTS / CTS support

This patch fixes the RTS / CTS support in iwlwifi. 5000 will send CTS to
self when allowed by spec, 4965 will send RTS or CTS to self according to
mac80211 request.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index fe05d60ebe63..d877039e2d45 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -556,6 +556,8 @@ enum {
 #define RXON_FLG_CHANNEL_MODE_MSK               __constant_cpu_to_le32(0x3 << 25)
 #define RXON_FLG_CHANNEL_MODE_PURE_40_MSK       __constant_cpu_to_le32(0x1 << 25)
 #define RXON_FLG_CHANNEL_MODE_MIXED_MSK         __constant_cpu_to_le32(0x2 << 25)
+/* CTS to self (if spec allows) flag */
+#define RXON_FLG_SELF_CTS_EN                    __constant_cpu_to_le32(0x1<<30)
 
 /* rx_config filter flags */
 /* accept all data frames */
@@ -1139,6 +1141,11 @@ struct iwl4965_rx_mpdu_res_start {
 
 /* REPLY_TX Tx flags field */
 
+/* 1: Use RTS/CTS protocol or CTS-to-self if spec alows it
+ * before this frame. if CTS-to-self required check
+ * RXON_FLG_SELF_CTS_EN status. */
+#define TX_CMD_FLG_RTS_CTS_MSK __constant_cpu_to_le32(1 << 0)
+
 /* 1: Use Request-To-Send protocol before this frame.
  * Mutually exclusive vs. TX_CMD_FLG_CTS_MSK. */
 #define TX_CMD_FLG_RTS_MSK __constant_cpu_to_le32(1 << 1)