ath9k: reorganize patches

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37766 3c298f89-4303-0410-b956-a3cf2f4a3e73

12 files changed, 108 insertions, 140 deletions

diff --git a/package/kernel/mac80211/patches/300-pending_work.patch b/package/kernel/mac80211/patches/300-pending_work.patch
index 4ec4423c6b..f6ef30e633 100644
--- a/package/kernel/mac80211/patches/300-pending_work.patch
+++ b/package/kernel/mac80211/patches/300-pending_work.patch
@@ -2235,7 +2235,18 @@
  #define	REALTEK_USB_VENQT_WRITE			0x40
 --- a/drivers/net/wireless/ath/ath9k/ath9k.h
 +++ b/drivers/net/wireless/ath/ath9k/ath9k.h
-@@ -137,7 +137,8 @@ int ath_descdma_setup(struct ath_softc *
+@@ -79,10 +79,6 @@ struct ath_config {
+ 		       sizeof(struct ath_buf_state));		\
+ 	} while (0)
+ 
+-#define ATH_RXBUF_RESET(_bf) do {		\
+-		(_bf)->bf_stale = false;	\
+-	} while (0)
+-
+ /**
+  * enum buffer_type - Buffer type flags
+  *
+@@ -137,7 +133,8 @@ int ath_descdma_setup(struct ath_softc *
  #define ATH_AGGR_ENCRYPTDELIM      10
  /* minimum h/w qdepth to be sustained to maximize aggregation */
  #define ATH_AGGR_MIN_QDEPTH        2
@@ -2245,7 +2256,7 @@
  
  #define IEEE80211_SEQ_SEQ_SHIFT    4
  #define IEEE80211_SEQ_MAX          4096
-@@ -174,12 +175,6 @@ int ath_descdma_setup(struct ath_softc *
+@@ -174,12 +171,6 @@ int ath_descdma_setup(struct ath_softc *
  
  #define ATH_TX_COMPLETE_POLL_INT	1000
  
@@ -2258,7 +2269,7 @@
  #define ATH_TXFIFO_DEPTH 8
  struct ath_txq {
  	int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */
-@@ -212,8 +207,9 @@ struct ath_frame_info {
+@@ -212,8 +203,9 @@ struct ath_frame_info {
  	int framelen;
  	enum ath9k_key_type keytype;
  	u8 keyix;
@@ -2269,7 +2280,7 @@
  };
  
  struct ath_buf_state {
-@@ -241,6 +237,7 @@ struct ath_buf {
+@@ -241,6 +233,7 @@ struct ath_buf {
  struct ath_atx_tid {
  	struct list_head list;
  	struct sk_buff_head buf_q;
@@ -2277,7 +2288,7 @@
  	struct ath_node *an;
  	struct ath_atx_ac *ac;
  	unsigned long tx_buf[BITS_TO_LONGS(ATH_TID_MAX_BUFS)];
-@@ -268,6 +265,7 @@ struct ath_node {
+@@ -268,6 +261,7 @@ struct ath_node {
  	u8 mpdudensity;
  
  	bool sleeping;
@@ -2285,7 +2296,15 @@
  
  #if defined(CPTCFG_MAC80211_DEBUGFS) && defined(CPTCFG_ATH9K_DEBUGFS)
  	struct dentry *node_stat;
-@@ -367,6 +365,7 @@ void ath9k_release_buffered_frames(struc
+@@ -317,6 +311,7 @@ struct ath_rx {
+ 	struct ath_descdma rxdma;
+ 	struct ath_rx_edma rx_edma[ATH9K_RX_QUEUE_MAX];
+ 
++	struct ath_buf *buf_hold;
+ 	struct sk_buff *frag;
+ 
+ 	u32 ampdu_ref;
+@@ -367,6 +362,7 @@ void ath9k_release_buffered_frames(struc
  /********/
  
  struct ath_vif {
@@ -2374,3 +2393,77 @@
  	ibss_dbg(sdata, "sta_find_ibss: did not try to join ibss\n");
  
  	/* Selected IBSS not found in current scan results - try to scan */
+--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+@@ -1173,6 +1173,10 @@ skip_ws_det:
+ 		 * is_on == 0 means MRC CCK is OFF (more noise imm)
+ 		 */
+ 		bool is_on = param ? 1 : 0;
++
++		if (ah->caps.rx_chainmask == 1)
++			break;
++
+ 		REG_RMW_FIELD(ah, AR_PHY_MRC_CCK_CTRL,
+ 			      AR_PHY_MRC_CCK_ENABLE, is_on);
+ 		REG_RMW_FIELD(ah, AR_PHY_MRC_CCK_CTRL,
+--- a/drivers/net/wireless/ath/ath9k/recv.c
++++ b/drivers/net/wireless/ath/ath9k/recv.c
+@@ -42,8 +42,6 @@ static void ath_rx_buf_link(struct ath_s
+ 	struct ath_desc *ds;
+ 	struct sk_buff *skb;
+ 
+-	ATH_RXBUF_RESET(bf);
+-
+ 	ds = bf->bf_desc;
+ 	ds->ds_link = 0; /* link to null */
+ 	ds->ds_data = bf->bf_buf_addr;
+@@ -70,6 +68,14 @@ static void ath_rx_buf_link(struct ath_s
+ 	sc->rx.rxlink = &ds->ds_link;
+ }
+ 
++static void ath_rx_buf_relink(struct ath_softc *sc, struct ath_buf *bf)
++{
++	if (sc->rx.buf_hold)
++		ath_rx_buf_link(sc, sc->rx.buf_hold);
++
++	sc->rx.buf_hold = bf;
++}
++
+ static void ath_setdefantenna(struct ath_softc *sc, u32 antenna)
+ {
+ 	/* XXX block beacon interrupts */
+@@ -117,7 +123,6 @@ static bool ath_rx_edma_buf_link(struct 
+ 
+ 	skb = bf->bf_mpdu;
+ 
+-	ATH_RXBUF_RESET(bf);
+ 	memset(skb->data, 0, ah->caps.rx_status_len);
+ 	dma_sync_single_for_device(sc->dev, bf->bf_buf_addr,
+ 				ah->caps.rx_status_len, DMA_TO_DEVICE);
+@@ -432,6 +437,7 @@ int ath_startrecv(struct ath_softc *sc)
+ 	if (list_empty(&sc->rx.rxbuf))
+ 		goto start_recv;
+ 
++	sc->rx.buf_hold = NULL;
+ 	sc->rx.rxlink = NULL;
+ 	list_for_each_entry_safe(bf, tbf, &sc->rx.rxbuf, list) {
+ 		ath_rx_buf_link(sc, bf);
+@@ -677,6 +683,9 @@ static struct ath_buf *ath_get_next_rx_b
+ 	}
+ 
+ 	bf = list_first_entry(&sc->rx.rxbuf, struct ath_buf, list);
++	if (bf == sc->rx.buf_hold)
++		return NULL;
++
+ 	ds = bf->bf_desc;
+ 
+ 	/*
+@@ -1375,7 +1384,7 @@ requeue:
+ 		if (edma) {
+ 			ath_rx_edma_buf_link(sc, qtype);
+ 		} else {
+-			ath_rx_buf_link(sc, bf);
++			ath_rx_buf_relink(sc, bf);
+ 			ath9k_hw_rxena(ah);
+ 		}
+ 	} while (1);
diff --git a/package/kernel/mac80211/patches/511-ath9k_reduce_rxbuf.patch b/package/kernel/mac80211/patches/511-ath9k_reduce_rxbuf.patch
index 8d8c5fd7fe..273b68381f 100644
--- a/package/kernel/mac80211/patches/511-ath9k_reduce_rxbuf.patch
+++ b/package/kernel/mac80211/patches/511-ath9k_reduce_rxbuf.patch
@@ -1,6 +1,6 @@
 --- a/drivers/net/wireless/ath/ath9k/ath9k.h
 +++ b/drivers/net/wireless/ath/ath9k/ath9k.h
-@@ -119,7 +119,7 @@ int ath_descdma_setup(struct ath_softc *
+@@ -115,7 +115,7 @@ int ath_descdma_setup(struct ath_softc *
  /* RX / TX */
  /***********/
  
diff --git a/package/kernel/mac80211/patches/512-ath9k_channelbw_debugfs.patch b/package/kernel/mac80211/patches/512-ath9k_channelbw_debugfs.patch
index d09306f3ef..87aaf3061c 100644
--- a/package/kernel/mac80211/patches/512-ath9k_channelbw_debugfs.patch
+++ b/package/kernel/mac80211/patches/512-ath9k_channelbw_debugfs.patch
@@ -1,6 +1,6 @@
 --- a/drivers/net/wireless/ath/ath9k/ath9k.h
 +++ b/drivers/net/wireless/ath/ath9k/ath9k.h
-@@ -700,6 +700,7 @@ struct ath_softc {
+@@ -697,6 +697,7 @@ struct ath_softc {
  	struct ieee80211_hw *hw;
  	struct device *dev;
  
@@ -8,7 +8,7 @@
  	struct survey_info *cur_survey;
  	struct survey_info survey[ATH9K_NUM_CHANNELS];
  
-@@ -904,6 +905,7 @@ struct fft_sample_ht20 {
+@@ -901,6 +902,7 @@ struct fft_sample_ht20 {
  	u8 data[SPECTRAL_HT20_NUM_BINS];
  } __packed;
  
diff --git a/package/kernel/mac80211/patches/522-ath9k_per_chain_signal_strength.patch b/package/kernel/mac80211/patches/522-ath9k_per_chain_signal_strength.patch
index 50dbcd9902..b6075a8144 100644
--- a/package/kernel/mac80211/patches/522-ath9k_per_chain_signal_strength.patch
+++ b/package/kernel/mac80211/patches/522-ath9k_per_chain_signal_strength.patch
@@ -17,7 +17,7 @@
  	u8 rs_num_delims;
 --- a/drivers/net/wireless/ath/ath9k/recv.c
 +++ b/drivers/net/wireless/ath/ath9k/recv.c
-@@ -939,6 +939,7 @@ static int ath9k_rx_skb_preprocess(struc
+@@ -948,6 +948,7 @@ static int ath9k_rx_skb_preprocess(struc
  	struct ath_hw *ah = sc->sc_ah;
  	struct ath_common *common = ath9k_hw_common(ah);
  	bool discard_current = sc->rx.discard_next;
@@ -25,7 +25,7 @@
  
  	sc->rx.discard_next = rx_stats->rs_more;
  	if (discard_current)
-@@ -968,6 +969,21 @@ static int ath9k_rx_skb_preprocess(struc
+@@ -977,6 +978,21 @@ static int ath9k_rx_skb_preprocess(struc
  	if (rx_stats->rs_moreaggr)
  		rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL;
  
@@ -47,7 +47,7 @@
  	sc->rx.discard_next = false;
  	return 0;
  }
-@@ -1077,7 +1093,7 @@ static int ath_process_fft(struct ath_so
+@@ -1086,7 +1102,7 @@ static int ath_process_fft(struct ath_so
  	fft_sample.tlv.length = __cpu_to_be16(length);
  
  	fft_sample.freq = __cpu_to_be16(ah->curchan->chan->center_freq);
diff --git a/package/kernel/mac80211/patches/530-ath9k_extra_leds.patch b/package/kernel/mac80211/patches/530-ath9k_extra_leds.patch
index 79eb9c84c9..f595059027 100644
--- a/package/kernel/mac80211/patches/530-ath9k_extra_leds.patch
+++ b/package/kernel/mac80211/patches/530-ath9k_extra_leds.patch
@@ -1,6 +1,6 @@
 --- a/drivers/net/wireless/ath/ath9k/ath9k.h
 +++ b/drivers/net/wireless/ath/ath9k/ath9k.h
-@@ -556,6 +556,9 @@ struct ath9k_wow_pattern {
+@@ -553,6 +553,9 @@ struct ath9k_wow_pattern {
  void ath_init_leds(struct ath_softc *sc);
  void ath_deinit_leds(struct ath_softc *sc);
  void ath_fill_led_pin(struct ath_softc *sc);
@@ -10,7 +10,7 @@
  #else
  static inline void ath_init_leds(struct ath_softc *sc)
  {
-@@ -696,6 +699,13 @@ enum spectral_mode {
+@@ -693,6 +696,13 @@ enum spectral_mode {
  	SPECTRAL_CHANSCAN,
  };
  
@@ -24,7 +24,7 @@
  struct ath_softc {
  	struct ieee80211_hw *hw;
  	struct device *dev;
-@@ -738,9 +748,8 @@ struct ath_softc {
+@@ -735,9 +745,8 @@ struct ath_softc {
  	struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
  
  #ifdef CPTCFG_MAC80211_LEDS
diff --git a/package/kernel/mac80211/patches/550-ath9k_reduce_ani_interval.patch b/package/kernel/mac80211/patches/540-ath9k_reduce_ani_interval.patch
index 7c24f46f67..7c24f46f67 100644
--- a/package/kernel/mac80211/patches/550-ath9k_reduce_ani_interval.patch
+++ b/package/kernel/mac80211/patches/540-ath9k_reduce_ani_interval.patch
diff --git a/package/kernel/mac80211/patches/541-ath9k_optimize_interrupt_mitigation.patch b/package/kernel/mac80211/patches/541-ath9k_optimize_interrupt_mitigation.patch
deleted file mode 100644
index 95ceb3575d..0000000000
--- a/package/kernel/mac80211/patches/541-ath9k_optimize_interrupt_mitigation.patch
+++ /dev/null
@@ -1,30 +0,0 @@
---- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
-@@ -241,21 +241,19 @@ static bool ar9003_hw_get_isr(struct ath
- 
- 		*masked = isr & ATH9K_INT_COMMON;
- 
--		if (ah->config.rx_intr_mitigation)
-+		if (ah->config.rx_intr_mitigation) {
- 			if (isr & (AR_ISR_RXMINTR | AR_ISR_RXINTM))
- 				*masked |= ATH9K_INT_RXLP;
--
--		if (ah->config.tx_intr_mitigation)
--			if (isr & (AR_ISR_TXMINTR | AR_ISR_TXINTM))
--				*masked |= ATH9K_INT_TX;
--
--		if (isr & (AR_ISR_LP_RXOK | AR_ISR_RXERR))
-+		} else if (isr & (AR_ISR_LP_RXOK | AR_ISR_RXERR))
- 			*masked |= ATH9K_INT_RXLP;
- 
- 		if (isr & AR_ISR_HP_RXOK)
- 			*masked |= ATH9K_INT_RXHP;
- 
--		if (isr & (AR_ISR_TXOK | AR_ISR_TXERR | AR_ISR_TXEOL)) {
-+		if (ah->config.tx_intr_mitigation) {
-+			if (isr & (AR_ISR_TXMINTR | AR_ISR_TXINTM))
-+				*masked |= ATH9K_INT_TX;
-+		} else if (isr & (AR_ISR_TXOK | AR_ISR_TXERR | AR_ISR_TXEOL)) {
- 			*masked |= ATH9K_INT_TX;
- 
- 			if (!(pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED)) {
diff --git a/package/kernel/mac80211/patches/552-ath9k_rx_dma_stop_check.patch b/package/kernel/mac80211/patches/541-ath9k_rx_dma_stop_check.patch
index 5d063c7d65..5d063c7d65 100644
--- a/package/kernel/mac80211/patches/552-ath9k_rx_dma_stop_check.patch
+++ b/package/kernel/mac80211/patches/541-ath9k_rx_dma_stop_check.patch
diff --git a/package/kernel/mac80211/patches/553-ath9k_debugfs_diag.patch b/package/kernel/mac80211/patches/542-ath9k_debugfs_diag.patch
index b069cb2cdb..b069cb2cdb 100644
--- a/package/kernel/mac80211/patches/553-ath9k_debugfs_diag.patch
+++ b/package/kernel/mac80211/patches/542-ath9k_debugfs_diag.patch
diff --git a/package/kernel/mac80211/patches/555-ath9k-allow-to-disable-bands-via-platform-data.patch b/package/kernel/mac80211/patches/543-ath9k-allow-to-disable-bands-via-platform-data.patch
index c5b90af68c..c5b90af68c 100644
--- a/package/kernel/mac80211/patches/555-ath9k-allow-to-disable-bands-via-platform-data.patch
+++ b/package/kernel/mac80211/patches/543-ath9k-allow-to-disable-bands-via-platform-data.patch
diff --git a/package/kernel/mac80211/patches/554-ath9k_ani_mrc_fix.patch b/package/kernel/mac80211/patches/554-ath9k_ani_mrc_fix.patch
deleted file mode 100644
index 47df721322..0000000000
--- a/package/kernel/mac80211/patches/554-ath9k_ani_mrc_fix.patch
+++ /dev/null
@@ -1,13 +0,0 @@
---- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
-@@ -1173,6 +1173,10 @@ skip_ws_det:
- 		 * is_on == 0 means MRC CCK is OFF (more noise imm)
- 		 */
- 		bool is_on = param ? 1 : 0;
-+
-+		if (ah->caps.rx_chainmask == 1)
-+			break;
-+
- 		REG_RMW_FIELD(ah, AR_PHY_MRC_CCK_CTRL,
- 			      AR_PHY_MRC_CCK_ENABLE, is_on);
- 		REG_RMW_FIELD(ah, AR_PHY_MRC_CCK_CTRL,
diff --git a/package/kernel/mac80211/patches/556-ath9k_fix_rx_race.patch b/package/kernel/mac80211/patches/556-ath9k_fix_rx_race.patch
deleted file mode 100644
index 3e5347dfb3..0000000000
--- a/package/kernel/mac80211/patches/556-ath9k_fix_rx_race.patch
+++ /dev/null
@@ -1,82 +0,0 @@
---- a/drivers/net/wireless/ath/ath9k/ath9k.h
-+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
-@@ -79,10 +79,6 @@ struct ath_config {
- 		       sizeof(struct ath_buf_state));		\
- 	} while (0)
- 
--#define ATH_RXBUF_RESET(_bf) do {		\
--		(_bf)->bf_stale = false;	\
--	} while (0)
--
- /**
-  * enum buffer_type - Buffer type flags
-  *
-@@ -315,6 +311,7 @@ struct ath_rx {
- 	struct ath_descdma rxdma;
- 	struct ath_rx_edma rx_edma[ATH9K_RX_QUEUE_MAX];
- 
-+	struct ath_buf *buf_hold;
- 	struct sk_buff *frag;
- 
- 	u32 ampdu_ref;
---- a/drivers/net/wireless/ath/ath9k/recv.c
-+++ b/drivers/net/wireless/ath/ath9k/recv.c
-@@ -42,8 +42,6 @@ static void ath_rx_buf_link(struct ath_s
- 	struct ath_desc *ds;
- 	struct sk_buff *skb;
- 
--	ATH_RXBUF_RESET(bf);
--
- 	ds = bf->bf_desc;
- 	ds->ds_link = 0; /* link to null */
- 	ds->ds_data = bf->bf_buf_addr;
-@@ -70,6 +68,14 @@ static void ath_rx_buf_link(struct ath_s
- 	sc->rx.rxlink = &ds->ds_link;
- }
- 
-+static void ath_rx_buf_relink(struct ath_softc *sc, struct ath_buf *bf)
-+{
-+	if (sc->rx.buf_hold)
-+		ath_rx_buf_link(sc, sc->rx.buf_hold);
-+
-+	sc->rx.buf_hold = bf;
-+}
-+
- static void ath_setdefantenna(struct ath_softc *sc, u32 antenna)
- {
- 	/* XXX block beacon interrupts */
-@@ -117,7 +123,6 @@ static bool ath_rx_edma_buf_link(struct 
- 
- 	skb = bf->bf_mpdu;
- 
--	ATH_RXBUF_RESET(bf);
- 	memset(skb->data, 0, ah->caps.rx_status_len);
- 	dma_sync_single_for_device(sc->dev, bf->bf_buf_addr,
- 				ah->caps.rx_status_len, DMA_TO_DEVICE);
-@@ -432,6 +437,7 @@ int ath_startrecv(struct ath_softc *sc)
- 	if (list_empty(&sc->rx.rxbuf))
- 		goto start_recv;
- 
-+	sc->rx.buf_hold = NULL;
- 	sc->rx.rxlink = NULL;
- 	list_for_each_entry_safe(bf, tbf, &sc->rx.rxbuf, list) {
- 		ath_rx_buf_link(sc, bf);
-@@ -677,6 +683,9 @@ static struct ath_buf *ath_get_next_rx_b
- 	}
- 
- 	bf = list_first_entry(&sc->rx.rxbuf, struct ath_buf, list);
-+	if (bf == sc->rx.buf_hold)
-+		return NULL;
-+
- 	ds = bf->bf_desc;
- 
- 	/*
-@@ -1391,7 +1400,7 @@ requeue:
- 		if (edma) {
- 			ath_rx_edma_buf_link(sc, qtype);
- 		} else {
--			ath_rx_buf_link(sc, bf);
-+			ath_rx_buf_relink(sc, bf);
- 			ath9k_hw_rxena(ah);
- 		}
- 	} while (1);