From 5078971ee6fcaba1333e5609142f0ae7d141e9b6 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Fri, 15 Jun 2012 03:04:53 +0200
Subject: [PATCH] --- yaml --- r: 311391 b: refs/heads/master c:
 80b08a8d8829a58b5db14b1417151094cc28face h: refs/heads/master i:   311389:
 633f8612fb66d3eb1e3102c88ca3b1f70914e5ca   311387:
 8adafc99ca2601c1d6fbb153607466b708360277   311383:
 223845bfe6ef6045e2fb61f182c8c5ba32f0946c   311375:
 a2caaf288deb51d874dc52738d14b992783a98c1   311359:
 f286e50404d8806efff8e230822cd6b55f601fcc v: v3

---
 [refs]                                       |  2 +-
 trunk/drivers/net/wireless/ath/ath9k/ath9k.h |  1 +
 trunk/drivers/net/wireless/ath/ath9k/xmit.c  | 29 ++++++++++++--------
 3 files changed, 19 insertions(+), 13 deletions(-)

diff --git a/[refs] b/[refs]
index bd68ce33f1d0..e88f8c4fb9ad 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 76591bea9714a58d8924154068c78d702eb2cb17
+refs/heads/master: 80b08a8d8829a58b5db14b1417151094cc28face
diff --git a/trunk/drivers/net/wireless/ath/ath9k/ath9k.h b/trunk/drivers/net/wireless/ath/ath9k/ath9k.h
index a277cf6f339d..4866550ddd96 100644
--- a/trunk/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/trunk/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -214,6 +214,7 @@ struct ath_frame_info {
 	enum ath9k_key_type keytype;
 	u8 keyix;
 	u8 retries;
+	u8 rtscts_rate;
 };
 
 struct ath_buf_state {
diff --git a/trunk/drivers/net/wireless/ath/ath9k/xmit.c b/trunk/drivers/net/wireless/ath/ath9k/xmit.c
index efb7f00f3561..4d571394c7a8 100644
--- a/trunk/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/trunk/drivers/net/wireless/ath/ath9k/xmit.c
@@ -938,6 +938,7 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf,
 	struct ieee80211_tx_rate *rates;
 	const struct ieee80211_rate *rate;
 	struct ieee80211_hdr *hdr;
+	struct ath_frame_info *fi = get_frame_info(bf->bf_mpdu);
 	int i;
 	u8 rix = 0;
 
@@ -948,18 +949,7 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf,
 
 	/* set dur_update_en for l-sig computation except for PS-Poll frames */
 	info->dur_update = !ieee80211_is_pspoll(hdr->frame_control);
-
-	/*
-	 * We check if Short Preamble is needed for the CTS rate by
-	 * checking the BSS's global flag.
-	 * But for the rate series, IEEE80211_TX_RC_USE_SHORT_PREAMBLE is used.
-	 */
-	rate = ieee80211_get_rts_cts_rate(sc->hw, tx_info);
-	info->rtscts_rate = rate->hw_value;
-
-	if (tx_info->control.vif &&
-	    tx_info->control.vif->bss_conf.use_short_preamble)
-		info->rtscts_rate |= rate->hw_value_short;
+	info->rtscts_rate = fi->rtscts_rate;
 
 	for (i = 0; i < 4; i++) {
 		bool is_40, is_sgi, is_sp;
@@ -1776,10 +1766,22 @@ static void setup_frame_info(struct ieee80211_hw *hw, struct sk_buff *skb,
 	struct ieee80211_sta *sta = tx_info->control.sta;
 	struct ieee80211_key_conf *hw_key = tx_info->control.hw_key;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+	const struct ieee80211_rate *rate;
 	struct ath_frame_info *fi = get_frame_info(skb);
 	struct ath_node *an = NULL;
 	enum ath9k_key_type keytype;
+	bool short_preamble = false;
+
+	/*
+	 * We check if Short Preamble is needed for the CTS rate by
+	 * checking the BSS's global flag.
+	 * But for the rate series, IEEE80211_TX_RC_USE_SHORT_PREAMBLE is used.
+	 */
+	if (tx_info->control.vif &&
+	    tx_info->control.vif->bss_conf.use_short_preamble)
+		short_preamble = true;
 
+	rate = ieee80211_get_rts_cts_rate(hw, tx_info);
 	keytype = ath9k_cmn_get_hw_crypto_keytype(skb);
 
 	if (sta)
@@ -1794,6 +1796,9 @@ static void setup_frame_info(struct ieee80211_hw *hw, struct sk_buff *skb,
 		fi->keyix = ATH9K_TXKEYIX_INVALID;
 	fi->keytype = keytype;
 	fi->framelen = framelen;
+	fi->rtscts_rate = rate->hw_value;
+	if (short_preamble)
+		fi->rtscts_rate |= rate->hw_value_short;
 }
 
 u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate)