ath9k: change the BSSID mask calculation to fix setting arbitrary MAC address on interfaces

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36344 3c298f89-4303-0410-b956-a3cf2f4a3e73

8 files changed, 123 insertions, 14 deletions

diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch
index a4bfb99b4..37f127ede 100644
--- a/package/mac80211/patches/300-pending_work.patch
+++ b/package/mac80211/patches/300-pending_work.patch
@@ -607,6 +607,23 @@
  
  	if (!ath9k_hw_set_reset_reg(ah, reset_type))
  		return false;
+@@ -1876,13 +1878,12 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+ 
+ 	ENABLE_REGWRITE_BUFFER(ah);
+ 
+-	REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(common->macaddr));
+-	REG_WRITE(ah, AR_STA_ID1, get_unaligned_le16(common->macaddr + 4)
+-		  | macStaId1
++	REG_RMW(ah, AR_STA_ID1, macStaId1
+ 		  | AR_STA_ID1_RTS_USE_DEF
+ 		  | (ah->config.
+ 		     ack_6mb ? AR_STA_ID1_ACKCTS_6MB : 0)
+-		  | ah->sta_id1_defaults);
++		  | ah->sta_id1_defaults,
++		  ~AR_STA_ID1_SADH_MASK);
+ 	ath_hw_setbssidmask(common);
+ 	REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna);
+ 	ath9k_hw_write_associd(ah);
 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c
 +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
 @@ -1236,8 +1236,10 @@ static inline void rt2x00lib_set_if_comb
@@ -1629,3 +1646,95 @@
  
  		p += sprintf(p, "  %6u.%1u   %6u.%1u   %6u.%1u        "
  				"%3u(%3u)   %8llu    %8llu\n",
+--- a/drivers/net/wireless/ath/ath9k/ath9k.h
++++ b/drivers/net/wireless/ath/ath9k/ath9k.h
+@@ -657,11 +657,10 @@ enum sc_op_flags {
+ struct ath_rate_table;
+ 
+ struct ath9k_vif_iter_data {
+-	const u8 *hw_macaddr; /* phy's hardware address, set
+-			       * before starting iteration for
+-			       * valid bssid mask.
+-			       */
++	u8 hw_macaddr[ETH_ALEN]; /* address of the first vif */
+ 	u8 mask[ETH_ALEN]; /* bssid mask */
++	bool has_hw_macaddr;
++
+ 	int naps;      /* number of AP vifs */
+ 	int nmeshes;   /* number of mesh vifs */
+ 	int nstations; /* number of station vifs */
+--- a/drivers/net/wireless/ath/ath9k/main.c
++++ b/drivers/net/wireless/ath/ath9k/main.c
+@@ -835,10 +835,14 @@ static void ath9k_vif_iter(void *data, u
+ 	struct ath9k_vif_iter_data *iter_data = data;
+ 	int i;
+ 
+-	if (iter_data->hw_macaddr)
++	if (iter_data->has_hw_macaddr) {
+ 		for (i = 0; i < ETH_ALEN; i++)
+ 			iter_data->mask[i] &=
+ 				~(iter_data->hw_macaddr[i] ^ mac[i]);
++	} else {
++		memcpy(iter_data->hw_macaddr, mac, ETH_ALEN);
++		iter_data->has_hw_macaddr = true;
++	}
+ 
+ 	switch (vif->type) {
+ 	case NL80211_IFTYPE_AP:
+@@ -887,7 +891,6 @@ void ath9k_calculate_iter_data(struct ie
+ 	 * together with the BSSID mask when matching addresses.
+ 	 */
+ 	memset(iter_data, 0, sizeof(*iter_data));
+-	iter_data->hw_macaddr = common->macaddr;
+ 	memset(&iter_data->mask, 0xff, ETH_ALEN);
+ 
+ 	if (vif)
+@@ -897,6 +900,8 @@ void ath9k_calculate_iter_data(struct ie
+ 	ieee80211_iterate_active_interfaces_atomic(
+ 		sc->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
+ 		ath9k_vif_iter, iter_data);
++
++	memcpy(common->macaddr, iter_data->hw_macaddr, ETH_ALEN);
+ }
+ 
+ /* Called with sc->mutex held. */
+--- a/drivers/net/wireless/ath/ath9k/reg.h
++++ b/drivers/net/wireless/ath/ath9k/reg.h
+@@ -1493,9 +1493,6 @@ enum {
+ #define AR9271_RADIO_RF_RST			0x20
+ #define AR9271_GATE_MAC_CTL			0x4000
+ 
+-#define AR_STA_ID0                 0x8000
+-#define AR_STA_ID1                 0x8004
+-#define AR_STA_ID1_SADH_MASK       0x0000FFFF
+ #define AR_STA_ID1_STA_AP          0x00010000
+ #define AR_STA_ID1_ADHOC           0x00020000
+ #define AR_STA_ID1_PWR_SAV         0x00040000
+--- a/drivers/net/wireless/ath/hw.c
++++ b/drivers/net/wireless/ath/hw.c
+@@ -118,6 +118,12 @@
+ void ath_hw_setbssidmask(struct ath_common *common)
+ {
+ 	void *ah = common->ah;
++	u32 id1;
++
++	REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(common->macaddr));
++	id1 = REG_READ(ah, AR_STA_ID1) & ~AR_STA_ID1_SADH_MASK;
++	id1 |= get_unaligned_le16(common->macaddr + 4);
++	REG_WRITE(ah, AR_STA_ID1, id1);
+ 
+ 	REG_WRITE(ah, AR_BSSMSKL, get_unaligned_le32(common->bssidmask));
+ 	REG_WRITE(ah, AR_BSSMSKU, get_unaligned_le16(common->bssidmask + 4));
+--- a/drivers/net/wireless/ath/reg.h
++++ b/drivers/net/wireless/ath/reg.h
+@@ -23,6 +23,10 @@
+ #define AR_MIBC_CMC		0x00000004
+ #define AR_MIBC_MCS		0x00000008
+ 
++#define AR_STA_ID0		0x8000
++#define AR_STA_ID1		0x8004
++#define AR_STA_ID1_SADH_MASK	0x0000ffff
++
+ /*
+  * BSSID mask registers. See ath_hw_set_bssid_mask()
+  * for detailed documentation about these registers.
diff --git a/package/mac80211/patches/510-ath9k_intr_mitigation_tweak.patch b/package/mac80211/patches/510-ath9k_intr_mitigation_tweak.patch
index ff6ff27a1..855b3364c 100644
--- a/package/mac80211/patches/510-ath9k_intr_mitigation_tweak.patch
+++ b/package/mac80211/patches/510-ath9k_intr_mitigation_tweak.patch
@@ -1,6 +1,6 @@
 --- a/drivers/net/wireless/ath/ath9k/hw.c
 +++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -1947,8 +1947,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+@@ -1946,8 +1946,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st
  		REG_WRITE(ah, AR_OBS, 8);
  
  	if (ah->config.rx_intr_mitigation) {
diff --git a/package/mac80211/patches/512-ath9k_channelbw_debugfs.patch b/package/mac80211/patches/512-ath9k_channelbw_debugfs.patch
index 1af9de070..415677322 100644
--- a/package/mac80211/patches/512-ath9k_channelbw_debugfs.patch
+++ b/package/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
-@@ -690,6 +690,7 @@ struct ath_softc {
+@@ -689,6 +689,7 @@ 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];
  
-@@ -894,6 +895,7 @@ struct fft_sample_ht20 {
+@@ -893,6 +894,7 @@ struct fft_sample_ht20 {
  	u8 data[SPECTRAL_HT20_NUM_BINS];
  } __packed;
  
@@ -80,7 +80,7 @@
  	debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
 --- a/drivers/net/wireless/ath/ath9k/main.c
 +++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -1131,7 +1131,7 @@ int ath9k_spectral_scan_config(struct ie
+@@ -1136,7 +1136,7 @@ int ath9k_spectral_scan_config(struct ie
  	return 0;
  }
  
@@ -89,7 +89,7 @@
  {
  	struct ath_softc *sc = hw->priv;
  	struct ath_hw *ah = sc->sc_ah;
-@@ -1185,9 +1185,11 @@ static int ath9k_config(struct ieee80211
+@@ -1190,9 +1190,11 @@ static int ath9k_config(struct ieee80211
  
  	if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) || reset_channel) {
  		struct ieee80211_channel *curchan = hw->conf.channel;
@@ -101,7 +101,7 @@
  
  		if (ah->curchan)
  			old_pos = ah->curchan - &ah->channels[0];
-@@ -1230,7 +1232,23 @@ static int ath9k_config(struct ieee80211
+@@ -1235,7 +1237,23 @@ static int ath9k_config(struct ieee80211
  			memset(&sc->survey[pos], 0, sizeof(struct survey_info));
  		}
  
diff --git a/package/mac80211/patches/521-ath9k_cur_txpower.patch b/package/mac80211/patches/521-ath9k_cur_txpower.patch
index fc091f2b8..f4c1f5d54 100644
--- a/package/mac80211/patches/521-ath9k_cur_txpower.patch
+++ b/package/mac80211/patches/521-ath9k_cur_txpower.patch
@@ -1,6 +1,6 @@
 --- a/drivers/net/wireless/ath/ath9k/main.c
 +++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -1255,6 +1255,8 @@ int ath9k_config(struct ieee80211_hw *hw
+@@ -1260,6 +1260,8 @@ int ath9k_config(struct ieee80211_hw *hw
  			return -EINVAL;
  		}
  
@@ -9,7 +9,7 @@
  		/*
  		 * The most recent snapshot of channel->noisefloor for the old
  		 * channel is only available after the hardware reset. Copy it to
-@@ -1274,6 +1276,7 @@ int ath9k_config(struct ieee80211_hw *hw
+@@ -1279,6 +1281,7 @@ int ath9k_config(struct ieee80211_hw *hw
  		sc->config.txpowlimit = 2 * conf->power_level;
  		ath9k_cmn_update_txpow(ah, sc->curtxpow,
  				       sc->config.txpowlimit, &sc->curtxpow);
diff --git a/package/mac80211/patches/524-ath9k_use_configured_antenna_gain.patch b/package/mac80211/patches/524-ath9k_use_configured_antenna_gain.patch
index fe0521215..d249fd378 100644
--- a/package/mac80211/patches/524-ath9k_use_configured_antenna_gain.patch
+++ b/package/mac80211/patches/524-ath9k_use_configured_antenna_gain.patch
@@ -10,7 +10,7 @@
  
 --- a/drivers/net/wireless/ath/ath9k/hw.c
 +++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -2818,7 +2818,7 @@ void ath9k_hw_apply_txpower(struct ath_h
+@@ -2817,7 +2817,7 @@ void ath9k_hw_apply_txpower(struct ath_h
  	channel = chan->chan;
  	chan_pwr = min_t(int, channel->max_power * 2, MAX_RATE_POWER);
  	new_pwr = min_t(int, chan_pwr, reg->power_limit);
@@ -21,7 +21,7 @@
  	if (ant_gain > max_gain)
 --- a/drivers/net/wireless/ath/ath9k/main.c
 +++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -1272,7 +1272,10 @@ int ath9k_config(struct ieee80211_hw *hw
+@@ -1277,7 +1277,10 @@ int ath9k_config(struct ieee80211_hw *hw
  	}
  
  	if (changed & IEEE80211_CONF_CHANGE_POWER) {
diff --git a/package/mac80211/patches/530-ath9k_extra_leds.patch b/package/mac80211/patches/530-ath9k_extra_leds.patch
index 804785bc1..fd7596f48 100644
--- a/package/mac80211/patches/530-ath9k_extra_leds.patch
+++ b/package/mac80211/patches/530-ath9k_extra_leds.patch
@@ -10,7 +10,7 @@
  #else
  static inline void ath_init_leds(struct ath_softc *sc)
  {
-@@ -686,6 +689,13 @@ enum spectral_mode {
+@@ -685,6 +688,13 @@ enum spectral_mode {
  	SPECTRAL_CHANSCAN,
  };
  
@@ -24,7 +24,7 @@
  struct ath_softc {
  	struct ieee80211_hw *hw;
  	struct device *dev;
-@@ -727,9 +737,8 @@ struct ath_softc {
+@@ -726,9 +736,8 @@ struct ath_softc {
  	struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
  
  #ifdef CONFIG_MAC80211_LEDS
diff --git a/package/mac80211/patches/553-ath9k_debugfs_diag.patch b/package/mac80211/patches/553-ath9k_debugfs_diag.patch
index 915f30f78..9618698f5 100644
--- a/package/mac80211/patches/553-ath9k_debugfs_diag.patch
+++ b/package/mac80211/patches/553-ath9k_debugfs_diag.patch
@@ -115,7 +115,7 @@
  int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
  		   struct ath9k_hw_cal_data *caldata, bool fastcc)
  {
-@@ -2024,6 +2038,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+@@ -2023,6 +2037,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
  	}
  
  	ath9k_hw_apply_gpio_override(ah);
diff --git a/package/mac80211/patches/555-ath9k-allow-to-disable-bands-via-platform-data.patch b/package/mac80211/patches/555-ath9k-allow-to-disable-bands-via-platform-data.patch
index 515bb8f83..45b02ebe5 100644
--- a/package/mac80211/patches/555-ath9k-allow-to-disable-bands-via-platform-data.patch
+++ b/package/mac80211/patches/555-ath9k-allow-to-disable-bands-via-platform-data.patch
@@ -12,7 +12,7 @@
  
 --- a/drivers/net/wireless/ath/ath9k/hw.c
 +++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -2414,17 +2414,25 @@ int ath9k_hw_fill_cap_info(struct ath_hw
+@@ -2413,17 +2413,25 @@ int ath9k_hw_fill_cap_info(struct ath_hw
  	}
  
  	eeval = ah->eep_ops->get_eeprom(ah, EEP_OP_MODE);