Merge branch 'for-linville' of git://github.com/kvalo/ath

1 files changed, 89 insertions, 103 deletions

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 1f35bd1..4670930 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -26,6 +26,7 @@
 #include "wmi.h"
 #include "htt.h"
 #include "txrx.h"
+#include "testmode.h"
 
 /**********/
 /* Crypto */
@@ -198,7 +199,7 @@ static int ath10k_clear_vdev_key(struct ath10k_vif *arvif,
 		list_for_each_entry(peer, &ar->peers, list) {
 			for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
 				if (peer->keys[i] == key) {
-					memcpy(addr, peer->addr, ETH_ALEN);
+					ether_addr_copy(addr, peer->addr);
 					peer->keys[i] = NULL;
 					break;
 				}
@@ -224,7 +225,6 @@ static int ath10k_clear_vdev_key(struct ath10k_vif *arvif,
 	return first_errno;
 }
 
-
 /*********************/
 /* General utilities */
 /*********************/
@@ -493,19 +493,6 @@ static inline int ath10k_vdev_setup_sync(struct ath10k *ar)
 	return 0;
 }
 
-static bool ath10k_monitor_is_enabled(struct ath10k *ar)
-{
-	lockdep_assert_held(&ar->conf_mutex);
-
-	ath10k_dbg(ar, ATH10K_DBG_MAC,
-		   "mac monitor refs: promisc %d monitor %d cac %d\n",
-		   ar->promisc, ar->monitor,
-		   test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags));
-
-	return ar->promisc || ar->monitor ||
-	       test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
-}
-
 static int ath10k_monitor_vdev_start(struct ath10k *ar, int vdev_id)
 {
 	struct cfg80211_chan_def *chandef = &ar->chandef;
@@ -649,16 +636,6 @@ static int ath10k_monitor_start(struct ath10k *ar)
 
 	lockdep_assert_held(&ar->conf_mutex);
 
-	if (!ath10k_monitor_is_enabled(ar)) {
-		ath10k_warn(ar, "trying to start monitor with no references\n");
-		return 0;
-	}
-
-	if (ar->monitor_started) {
-		ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor already started\n");
-		return 0;
-	}
-
 	ret = ath10k_monitor_vdev_create(ar);
 	if (ret) {
 		ath10k_warn(ar, "failed to create monitor vdev: %d\n", ret);
@@ -678,34 +655,51 @@ static int ath10k_monitor_start(struct ath10k *ar)
 	return 0;
 }
 
-static void ath10k_monitor_stop(struct ath10k *ar)
+static int ath10k_monitor_stop(struct ath10k *ar)
 {
 	int ret;
 
 	lockdep_assert_held(&ar->conf_mutex);
 
-	if (ath10k_monitor_is_enabled(ar)) {
-		ath10k_dbg(ar, ATH10K_DBG_MAC,
-			   "mac monitor will be stopped later\n");
-		return;
-	}
-
-	if (!ar->monitor_started) {
-		ath10k_dbg(ar, ATH10K_DBG_MAC,
-			   "mac monitor probably failed to start earlier\n");
-		return;
-	}
-
 	ret = ath10k_monitor_vdev_stop(ar);
-	if (ret)
+	if (ret) {
 		ath10k_warn(ar, "failed to stop monitor vdev: %d\n", ret);
+		return ret;
+	}
 
 	ret = ath10k_monitor_vdev_delete(ar);
-	if (ret)
+	if (ret) {
 		ath10k_warn(ar, "failed to delete monitor vdev: %d\n", ret);
+		return ret;
+	}
 
 	ar->monitor_started = false;
 	ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopped\n");
+
+	return 0;
+}
+
+static int ath10k_monitor_recalc(struct ath10k *ar)
+{
+	bool should_start;
+
+	lockdep_assert_held(&ar->conf_mutex);
+
+	should_start = ar->monitor ||
+		       ar->filter_flags & FIF_PROMISC_IN_BSS ||
+		       test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
+
+	ath10k_dbg(ar, ATH10K_DBG_MAC,
+		   "mac monitor recalc started? %d should? %d\n",
+		   ar->monitor_started, should_start);
+
+	if (should_start == ar->monitor_started)
+		return 0;
+
+	if (should_start)
+		return ath10k_monitor_start(ar);
+
+	return ath10k_monitor_stop(ar);
 }
 
 static int ath10k_recalc_rtscts_prot(struct ath10k_vif *arvif)
@@ -736,7 +730,7 @@ static int ath10k_start_cac(struct ath10k *ar)
 
 	set_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
 
-	ret = ath10k_monitor_start(ar);
+	ret = ath10k_monitor_recalc(ar);
 	if (ret) {
 		ath10k_warn(ar, "failed to start monitor (cac): %d\n", ret);
 		clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
@@ -901,7 +895,7 @@ static int ath10k_vdev_stop(struct ath10k_vif *arvif)
 }
 
 static void ath10k_control_beaconing(struct ath10k_vif *arvif,
-				struct ieee80211_bss_conf *info)
+				     struct ieee80211_bss_conf *info)
 {
 	struct ath10k *ar = arvif->ar;
 	int ret = 0;
@@ -936,7 +930,7 @@ static void ath10k_control_beaconing(struct ath10k_vif *arvif,
 		return;
 
 	arvif->aid = 0;
-	memcpy(arvif->bssid, info->bssid, ETH_ALEN);
+	ether_addr_copy(arvif->bssid, info->bssid);
 
 	ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
 				 arvif->bssid);
@@ -1056,7 +1050,7 @@ static void ath10k_peer_assoc_h_basic(struct ath10k *ar,
 {
 	lockdep_assert_held(&ar->conf_mutex);
 
-	memcpy(arg->addr, sta->addr, ETH_ALEN);
+	ether_addr_copy(arg->addr, sta->addr);
 	arg->vdev_id = arvif->vdev_id;
 	arg->peer_aid = sta->aid;
 	arg->peer_flags |= WMI_PEER_AUTH;
@@ -1111,9 +1105,9 @@ static void ath10k_peer_assoc_h_crypto(struct ath10k *ar,
 		ies = rcu_dereference(bss->ies);
 
 		wpaie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
-				WLAN_OUI_TYPE_MICROSOFT_WPA,
-				ies->data,
-				ies->len);
+						WLAN_OUI_TYPE_MICROSOFT_WPA,
+						ies->data,
+						ies->len);
 		rcu_read_unlock();
 		cfg80211_put_bss(ar->hw->wiphy, bss);
 	}
@@ -1163,6 +1157,7 @@ static void ath10k_peer_assoc_h_ht(struct ath10k *ar,
 {
 	const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
 	int i, n;
+	u32 stbc;
 
 	lockdep_assert_held(&ar->conf_mutex);
 
@@ -1199,7 +1194,6 @@ static void ath10k_peer_assoc_h_ht(struct ath10k *ar,
 	}
 
 	if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) {
-		u32 stbc;
 		stbc = ht_cap->cap & IEEE80211_HT_CAP_RX_STBC;
 		stbc = stbc >> IEEE80211_HT_CAP_RX_STBC_SHIFT;
 		stbc = stbc << WMI_RC_RX_STBC_FLAG_S;
@@ -1267,7 +1261,6 @@ static int ath10k_peer_assoc_qos_ap(struct ath10k *ar,
 			uapsd |= WMI_AP_PS_UAPSD_AC0_DELIVERY_EN |
 				 WMI_AP_PS_UAPSD_AC0_TRIGGER_EN;
 
-
 		if (sta->max_sp < MAX_WMI_AP_PS_PEER_PARAM_MAX_SP)
 			max_sp = sta->max_sp;
 
@@ -1296,7 +1289,8 @@ static int ath10k_peer_assoc_qos_ap(struct ath10k *ar,
 		   sta->listen_interval - mac80211 patch required.
 		   Currently use 10 seconds */
 		ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, sta->addr,
-					WMI_AP_PS_PEER_PARAM_AGEOUT_TIME, 10);
+						 WMI_AP_PS_PEER_PARAM_AGEOUT_TIME,
+						 10);
 		if (ret) {
 			ath10k_warn(ar, "failed to set ap ps peer param ageout time for vdev %i: %d\n",
 				    arvif->vdev_id, ret);
@@ -1320,7 +1314,6 @@ static void ath10k_peer_assoc_h_vht(struct ath10k *ar,
 	arg->peer_flags |= WMI_PEER_VHT;
 	arg->peer_vht_caps = vht_cap->cap;
 
-
 	ampdu_factor = (vht_cap->cap &
 			IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>
 		       IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
@@ -1531,7 +1524,7 @@ static void ath10k_bss_assoc(struct ieee80211_hw *hw,
 		   arvif->vdev_id, bss_conf->bssid, bss_conf->aid);
 
 	arvif->aid = bss_conf->aid;
-	memcpy(arvif->bssid, bss_conf->bssid, ETH_ALEN);
+	ether_addr_copy(arvif->bssid, bss_conf->bssid);
 
 	ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid);
 	if (ret) {
@@ -1615,7 +1608,7 @@ static int ath10k_station_assoc(struct ath10k *ar, struct ath10k_vif *arvif,
 		return ret;
 	}
 
-	if (!sta->wme) {
+	if (!sta->wme && !reassoc) {
 		arvif->num_legacy_stations++;
 		ret  = ath10k_recalc_rtscts_prot(arvif);
 		if (ret) {
@@ -1863,11 +1856,10 @@ static u8 ath10k_tx_h_get_tid(struct ieee80211_hdr *hdr)
 	return ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK;
 }
 
-static u8 ath10k_tx_h_get_vdev_id(struct ath10k *ar,
-				  struct ieee80211_tx_info *info)
+static u8 ath10k_tx_h_get_vdev_id(struct ath10k *ar, struct ieee80211_vif *vif)
 {
-	if (info->control.vif)
-		return ath10k_vif_to_arvif(info->control.vif)->vdev_id;
+	if (vif)
+		return ath10k_vif_to_arvif(vif)->vdev_id;
 
 	if (ar->monitor_started)
 		return ar->monitor_vdev_id;
@@ -2323,7 +2315,7 @@ static void ath10k_tx(struct ieee80211_hw *hw,
 
 	ATH10K_SKB_CB(skb)->htt.is_offchan = false;
 	ATH10K_SKB_CB(skb)->htt.tid = ath10k_tx_h_get_tid(hdr);
-	ATH10K_SKB_CB(skb)->vdev_id = ath10k_tx_h_get_vdev_id(ar, info);
+	ATH10K_SKB_CB(skb)->vdev_id = ath10k_tx_h_get_vdev_id(ar, vif);
 
 	/* it makes no sense to process injected frames like that */
 	if (vif && vif->type != NL80211_IFTYPE_MONITOR) {
@@ -2369,12 +2361,14 @@ void ath10k_halt(struct ath10k *ar)
 
 	lockdep_assert_held(&ar->conf_mutex);
 
-	if (ath10k_monitor_is_enabled(ar)) {
-		clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
-		ar->promisc = false;
-		ar->monitor = false;
+	clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
+	ar->filter_flags = 0;
+	ar->monitor = false;
+
+	if (ar->monitor_started)
 		ath10k_monitor_stop(ar);
-	}
+
+	ar->monitor_started = false;
 
 	ath10k_scan_finish(ar);
 	ath10k_peer_cleanup_all(ar);
@@ -2485,6 +2479,9 @@ static int ath10k_start(struct ieee80211_hw *hw)
 		WARN_ON(1);
 		ret = -EINVAL;
 		goto err;
+	case ATH10K_STATE_UTF:
+		ret = -EBUSY;
+		goto err;
 	}
 
 	ret = ath10k_hif_power_up(ar);
@@ -2493,7 +2490,7 @@ static int ath10k_start(struct ieee80211_hw *hw)
 		goto err_off;
 	}
 
-	ret = ath10k_core_start(ar);
+	ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL);
 	if (ret) {
 		ath10k_err(ar, "Could not init core: %d\n", ret);
 		goto err_power_down;
@@ -2629,7 +2626,7 @@ static void ath10k_config_chan(struct ath10k *ar)
 	/* First stop monitor interface. Some FW versions crash if there's a
 	 * lone monitor interface. */
 	if (ar->monitor_started)
-		ath10k_monitor_vdev_stop(ar);
+		ath10k_monitor_stop(ar);
 
 	list_for_each_entry(arvif, &ar->arvifs, list) {
 		if (!arvif->is_started)
@@ -2677,8 +2674,7 @@ static void ath10k_config_chan(struct ath10k *ar)
 		}
 	}
 
-	if (ath10k_monitor_is_enabled(ar))
-		ath10k_monitor_vdev_start(ar, ar->monitor_vdev_id);
+	ath10k_monitor_recalc(ar);
 }
 
 static int ath10k_config(struct ieee80211_hw *hw, u32 changed)
@@ -2733,19 +2729,10 @@ static int ath10k_config(struct ieee80211_hw *hw, u32 changed)
 		ath10k_config_ps(ar);
 
 	if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
-		if (conf->flags & IEEE80211_CONF_MONITOR && !ar->monitor) {
-			ar->monitor = true;
-			ret = ath10k_monitor_start(ar);
-			if (ret) {
-				ath10k_warn(ar, "failed to start monitor (config): %d\n",
-					    ret);
-				ar->monitor = false;
-			}
-		} else if (!(conf->flags & IEEE80211_CONF_MONITOR) &&
-			   ar->monitor) {
-			ar->monitor = false;
-			ath10k_monitor_stop(ar);
-		}
+		ar->monitor = conf->flags & IEEE80211_CONF_MONITOR;
+		ret = ath10k_monitor_recalc(ar);
+		if (ret)
+			ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
 	}
 
 	mutex_unlock(&ar->conf_mutex);
@@ -3009,18 +2996,9 @@ static void ath10k_configure_filter(struct ieee80211_hw *hw,
 	*total_flags &= SUPPORTED_FILTERS;
 	ar->filter_flags = *total_flags;
 
-	if (ar->filter_flags & FIF_PROMISC_IN_BSS && !ar->promisc) {
-		ar->promisc = true;
-		ret = ath10k_monitor_start(ar);
-		if (ret) {
-			ath10k_warn(ar, "failed to start monitor (promisc): %d\n",
-				    ret);
-			ar->promisc = false;
-		}
-	} else if (!(ar->filter_flags & FIF_PROMISC_IN_BSS) && ar->promisc) {
-		ar->promisc = false;
-		ath10k_monitor_stop(ar);
-	}
+	ret = ath10k_monitor_recalc(ar);
+	if (ret)
+		ath10k_warn(ar, "failed to recalc montior: %d\n", ret);
 
 	mutex_unlock(&ar->conf_mutex);
 }
@@ -3033,7 +3011,7 @@ static void ath10k_bss_info_changed(struct ieee80211_hw *hw,
 	struct ath10k *ar = hw->priv;
 	struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
 	int ret = 0;
-	u32 vdev_param, pdev_param;
+	u32 vdev_param, pdev_param, slottime, preamble;
 
 	mutex_lock(&ar->conf_mutex);
 
@@ -3112,7 +3090,7 @@ static void ath10k_bss_info_changed(struct ieee80211_hw *hw,
 				 * this is never erased as we it for crypto key
 				 * clearing; this is FW requirement
 				 */
-				memcpy(arvif->bssid, info->bssid, ETH_ALEN);
+				ether_addr_copy(arvif->bssid, info->bssid);
 
 				ath10k_dbg(ar, ATH10K_DBG_MAC,
 					   "mac vdev %d start %pM\n",
@@ -3154,7 +3132,6 @@ static void ath10k_bss_info_changed(struct ieee80211_hw *hw,
 	}
 
 	if (changed & BSS_CHANGED_ERP_SLOT) {
-		u32 slottime;
 		if (info->use_short_slot)
 			slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */
 
@@ -3173,7 +3150,6 @@ static void ath10k_bss_info_changed(struct ieee80211_hw *hw,
 	}
 
 	if (changed & BSS_CHANGED_ERP_PREAMBLE) {
-		u32 preamble;
 		if (info->use_short_preamble)
 			preamble = WMI_VDEV_PREAMBLE_SHORT;
 		else
@@ -3192,8 +3168,16 @@ static void ath10k_bss_info_changed(struct ieee80211_hw *hw,
 	}
 
 	if (changed & BSS_CHANGED_ASSOC) {
-		if (info->assoc)
+		if (info->assoc) {
+			/* Workaround: Make sure monitor vdev is not running
+			 * when associating to prevent some firmware revisions
+			 * (e.g. 10.1 and 10.2) from crashing.
+			 */
+			if (ar->monitor_started)
+				ath10k_monitor_stop(ar);
 			ath10k_bss_assoc(hw, vif, info);
+			ath10k_monitor_recalc(ar);
+		}
 	}
 
 exit:
@@ -3580,7 +3564,7 @@ exit:
 }
 
 static int ath10k_conf_tx_uapsd(struct ath10k *ar, struct ieee80211_vif *vif,
-				 u16 ac, bool enable)
+				u16 ac, bool enable)
 {
 	struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
 	u32 value = 0;
@@ -4081,8 +4065,8 @@ ath10k_bitrate_mask_nss(const struct cfg80211_bitrate_mask *mask,
 			continue;
 		else if (mask->control[band].ht_mcs[i] == 0x00)
 			break;
-		else
-			return false;
+
+		return false;
 	}
 
 	ht_nss = i;
@@ -4093,8 +4077,8 @@ ath10k_bitrate_mask_nss(const struct cfg80211_bitrate_mask *mask,
 			continue;
 		else if (mask->control[band].vht_mcs[i] == 0x0000)
 			break;
-		else
-			return false;
+
+		return false;
 	}
 
 	vht_nss = i;
@@ -4472,6 +4456,9 @@ static const struct ieee80211_ops ath10k_ops = {
 	.sta_rc_update			= ath10k_sta_rc_update,
 	.get_tsf			= ath10k_get_tsf,
 	.ampdu_action			= ath10k_ampdu_action,
+
+	CFG80211_TESTMODE_CMD(ath10k_tm_cmd)
+
 #ifdef CONFIG_PM
 	.suspend			= ath10k_suspend,
 	.resume				= ath10k_resume,
@@ -4723,7 +4710,6 @@ static struct ieee80211_sta_ht_cap ath10k_get_ht_cap(struct ath10k *ar)
 	return ht_cap;
 }
 
-
 static void ath10k_get_arvif_iter(void *data, u8 *mac,
 				  struct ieee80211_vif *vif)
 {