ath9k: fix a tx aggregation padding issue

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28113 3c298f89-4303-0410-b956-a3cf2f4a3e73

3 files changed, 33 insertions, 10 deletions

diff --git a/package/mac80211/patches/545-ath9k_aggr_padding_fix.patch b/package/mac80211/patches/545-ath9k_aggr_padding_fix.patch
new file mode 100644
index 0000000000..4b5f22f2d0
--- /dev/null
+++ b/package/mac80211/patches/545-ath9k_aggr_padding_fix.patch
@@ -0,0 +1,23 @@
+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -728,7 +728,9 @@ static int ath_compute_num_delims(struct
+ 	 * Add delimiter when using RTS/CTS with aggregation
+ 	 * and non enterprise AR9003 card
+ 	 */
+-	if (first_subfrm)
++	if (first_subfrm && (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) &&
++	    !AR_SREV_9580_10_OR_LATER(sc->sc_ah) &&
++	    (sc->sc_ah->ent_mode & AR_ENT_OTP_MIN_PKT_SIZE_DISABLE))
+ 		ndelim = max(ndelim, FIRST_DESC_NDELIMS);
+ 
+ 	/*
+--- a/drivers/net/wireless/ath/ath9k/reg.h
++++ b/drivers/net/wireless/ath/ath9k/reg.h
+@@ -1132,6 +1132,7 @@ enum {
+ #define AR_INTR_PRIO_ASYNC_ENABLE (AR_SREV_9340(ah) ? 0x4094 : 0x40d4)
+ #define AR_ENT_OTP		  0x40d8
+ #define AR_ENT_OTP_CHAIN2_DISABLE               0x00020000
++#define AR_ENT_OTP_MIN_PKT_SIZE_DISABLE		0x00800000
+ #define AR_ENT_OTP_MPSD		0x00800000
+ 
+ #define AR_CH0_BB_DPLL1		 0x16180
diff --git a/package/mac80211/patches/550-ath9k_limit_qlen.patch b/package/mac80211/patches/550-ath9k_limit_qlen.patch
index 9e144f39c5..4356f81092 100644
--- a/package/mac80211/patches/550-ath9k_limit_qlen.patch
+++ b/package/mac80211/patches/550-ath9k_limit_qlen.patch
@@ -57,7 +57,7 @@
  	while (bf) {
  		u16 seqno = bf->bf_state.seqno;
  
-@@ -834,6 +844,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_
+@@ -836,6 +846,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_
  			ath_tx_addto_baw(sc, tid, seqno);
  		ath9k_hw_set11n_aggr_middle(sc->sc_ah, bf->bf_desc, ndelim);
  
@@ -65,7 +65,7 @@
  		__skb_unlink(skb, &tid->buf_q);
  		list_add_tail(&bf->list, bf_q);
  		if (bf_prev) {
-@@ -1489,6 +1500,8 @@ static void ath_tx_send_ampdu(struct ath
+@@ -1491,6 +1502,8 @@ static void ath_tx_send_ampdu(struct ath
  	/* Add sub-frame to BAW */
  	ath_tx_addto_baw(sc, tid, bf->bf_state.seqno);
  
@@ -74,7 +74,7 @@
  	/* Queue to h/w without aggregation */
  	TX_STAT_INC(txctl->txq->axq_qnum, a_queued_hw);
  	bf->bf_lastbf = bf;
-@@ -1817,23 +1830,13 @@ error:
+@@ -1819,23 +1832,13 @@ error:
  
  /* FIXME: tx power */
  static void ath_tx_start_dma(struct ath_softc *sc, struct sk_buff *skb,
@@ -100,7 +100,7 @@
  
  	if ((tx_info->flags & IEEE80211_TX_CTL_AMPDU) && tid) {
  		/*
-@@ -1875,6 +1878,7 @@ int ath_tx_start(struct ieee80211_hw *hw
+@@ -1877,6 +1880,7 @@ int ath_tx_start(struct ieee80211_hw *hw
  	struct ieee80211_vif *vif = info->control.vif;
  	struct ath_softc *sc = hw->priv;
  	struct ath_txq *txq = txctl->txq;
@@ -108,7 +108,7 @@
  	int padpos, padsize;
  	int frmlen = skb->len + FCS_LEN;
  	int q;
-@@ -1907,6 +1911,7 @@ int ath_tx_start(struct ieee80211_hw *hw
+@@ -1909,6 +1913,7 @@ int ath_tx_start(struct ieee80211_hw *hw
  
  		skb_push(skb, padsize);
  		memmove(skb->data, skb->data + padsize, padpos);
@@ -116,7 +116,7 @@
  	}
  
  	if ((vif && vif->type != NL80211_IFTYPE_AP &&
-@@ -1916,6 +1921,24 @@ int ath_tx_start(struct ieee80211_hw *hw
+@@ -1918,6 +1923,24 @@ int ath_tx_start(struct ieee80211_hw *hw
  
  	setup_frame_info(hw, skb, frmlen);
  
@@ -141,7 +141,7 @@
  	/*
  	 * At this point, the vif, hw_key and sta pointers in the tx control
  	 * info are no longer valid (overwritten by the ath_frame_info data.
-@@ -1930,7 +1953,7 @@ int ath_tx_start(struct ieee80211_hw *hw
+@@ -1932,7 +1955,7 @@ int ath_tx_start(struct ieee80211_hw *hw
  	}
  	spin_unlock_bh(&txq->axq_lock);
  
diff --git a/package/mac80211/patches/580-ath9k_remove_common_chainmask.patch b/package/mac80211/patches/580-ath9k_remove_common_chainmask.patch
index 1164fc2acc..c314f4236b 100644
--- a/package/mac80211/patches/580-ath9k_remove_common_chainmask.patch
+++ b/package/mac80211/patches/580-ath9k_remove_common_chainmask.patch
@@ -90,7 +90,7 @@
  
 --- a/drivers/net/wireless/ath/ath9k/xmit.c
 +++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -1655,7 +1655,7 @@ u8 ath_txchainmask_reduction(struct ath_
+@@ -1657,7 +1657,7 @@ u8 ath_txchainmask_reduction(struct ath_
  
  static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len)
  {
@@ -99,7 +99,7 @@
  	struct ath9k_11n_rate_series series[4];
  	struct sk_buff *skb;
  	struct ieee80211_tx_info *tx_info;
-@@ -1715,7 +1715,7 @@ static void ath_buf_set_rate(struct ath_
+@@ -1717,7 +1717,7 @@ static void ath_buf_set_rate(struct ath_
  			/* MCS rates */
  			series[i].Rate = rix | 0x80;
  			series[i].ChSel = ath_txchainmask_reduction(sc,
@@ -108,7 +108,7 @@
  			series[i].PktDuration = ath_pkt_duration(sc, rix, len,
  				 is_40, is_sgi, is_sp);
  			if (rix < 8 && (tx_info->flags & IEEE80211_TX_CTL_STBC))
-@@ -1740,10 +1740,10 @@ static void ath_buf_set_rate(struct ath_
+@@ -1742,10 +1742,10 @@ static void ath_buf_set_rate(struct ath_
  		}
  
  		if (bf->bf_state.bfs_paprd)