Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

include/net/mac80211.h

@@ -3222,6 +3222,19 @@ void ieee80211_get_tkip_rx_p1k(struct ieee80211_key_conf *keyconf,
 void ieee80211_get_tkip_p2k(struct ieee80211_key_conf *keyconf,
 			    struct sk_buff *skb, u8 *p2k);
 
+/**
+ * ieee80211_aes_cmac_calculate_k1_k2 - calculate the AES-CMAC sub keys
+ *
+ * This function computes the two AES-CMAC sub-keys, based on the
+ * previously installed master key.
+ *
+ * @keyconf: the parameter passed with the set key
+ * @k1: a buffer to be filled with the 1st sub-key
+ * @k2: a buffer to be filled with the 2nd sub-key
+ */
+void ieee80211_aes_cmac_calculate_k1_k2(struct ieee80211_key_conf *keyconf,
+					u8 *k1, u8 *k2);
+
 /**
  * struct ieee80211_key_seq - key sequence counter
  *

net/mac80211/aes_cmac.c

@@ -126,3 +126,20 @@ void ieee80211_aes_cmac_key_free(struct crypto_cipher *tfm)
 {
 	crypto_free_cipher(tfm);
 }
+
+void ieee80211_aes_cmac_calculate_k1_k2(struct ieee80211_key_conf *keyconf,
+					u8 *k1, u8 *k2)
+{
+	u8 l[AES_BLOCK_SIZE] = {};
+	struct ieee80211_key *key =
+		container_of(keyconf, struct ieee80211_key, conf);
+
+	crypto_cipher_encrypt_one(key->u.aes_cmac.tfm, l, l);
+
+	memcpy(k1, l, AES_BLOCK_SIZE);
+	gf_mulx(k1);
+
+	memcpy(k2, k1, AES_BLOCK_SIZE);
+	gf_mulx(k2);
+}
+EXPORT_SYMBOL(ieee80211_aes_cmac_calculate_k1_k2);

net/mac80211/main.c

@@ -751,7 +751,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 			if (comb->num_different_channels > 1)
 				return -EINVAL;
 		}
-
+	} else {
 		/*
 		 * WDS is currently prohibited when channel contexts are used
 		 * because there's no clear definition of which channel WDS

net/mac80211/mesh.c

@@ -703,8 +703,10 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
 	ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
 			       &elems);
 
-	/* ignore beacons from secure mesh peers if our security is off */
-	if (elems.rsn_len && sdata->u.mesh.security == IEEE80211_MESH_SEC_NONE)
+	/* ignore non-mesh or secure / unsecure mismatch */
+	if ((!elems.mesh_id || !elems.mesh_config) ||
+	    (elems.rsn && sdata->u.mesh.security == IEEE80211_MESH_SEC_NONE) ||
+	    (!elems.rsn && sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE))
 		return;
 
 	if (elems.ds_params && elems.ds_params_len == 1)
@@ -717,8 +719,7 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
 	if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
 		return;
 
-	if (elems.mesh_id && elems.mesh_config &&
-	    mesh_matches_local(sdata, &elems))
+	if (mesh_matches_local(sdata, &elems))
 		mesh_neighbour_update(sdata, mgmt->sa, &elems);
 
 	if (ifmsh->sync_ops)

net/mac80211/mlme.c

@@ -2433,7 +2433,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
 	struct ieee80211_chanctx_conf *chanctx_conf;
 	struct ieee80211_channel *chan;
 	u32 changed = 0;
-	bool erp_valid, directed_tim = false;
+	bool erp_valid;
 	u8 erp_value = 0;
 	u32 ncrc;
 	u8 *bssid;
@@ -2564,11 +2564,10 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
 					  len - baselen, &elems,
 					  care_about_ies, ncrc);
 
-	if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)
-		directed_tim = ieee80211_check_tim(elems.tim, elems.tim_len,
-						   ifmgd->aid);
-
 	if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) {
+		bool directed_tim = ieee80211_check_tim(elems.tim,
+							elems.tim_len,
+							ifmgd->aid);
 		if (directed_tim) {
 			if (local->hw.conf.dynamic_ps_timeout > 0) {
 				if (local->hw.conf.flags & IEEE80211_CONF_PS) {

net/mac80211/trace.h

@@ -315,20 +315,33 @@ TRACE_EVENT(drv_bss_info_changed,
 	TP_STRUCT__entry(
 		LOCAL_ENTRY
 		VIF_ENTRY
+		__field(u32, changed)
 		__field(bool, assoc)
+		__field(bool, ibss_joined)
+		__field(bool, ibss_creator)
 		__field(u16, aid)
 		__field(bool, cts)
 		__field(bool, shortpre)
 		__field(bool, shortslot)
+		__field(bool, enable_beacon)
 		__field(u8, dtimper)
 		__field(u16, bcnint)
 		__field(u16, assoc_cap)
 		__field(u64, sync_tsf)
 		__field(u32, sync_device_ts)
 		__field(u32, basic_rates)
-		__field(u32, changed)
-		__field(bool, enable_beacon)
+		__array(int, mcast_rate, IEEE80211_NUM_BANDS)
 		__field(u16, ht_operation_mode)
+		__field(s32, cqm_rssi_thold);
+		__field(s32, cqm_rssi_hyst);
+		__field(u32, channel_type);
+		__dynamic_array(u32, arp_addr_list, info->arp_addr_cnt);
+		__field(bool, arp_filter_enabled);
+		__field(bool, qos);
+		__field(bool, idle);
+		__field(bool, ps);
+		__dynamic_array(u8, ssid, info->ssid_len);
+		__field(bool, hidden_ssid);
 	),
 
 	TP_fast_assign(
@@ -337,17 +350,32 @@ TRACE_EVENT(drv_bss_info_changed,
 		__entry->changed = changed;
 		__entry->aid = info->aid;
 		__entry->assoc = info->assoc;
+		__entry->ibss_joined = info->ibss_joined;
+		__entry->ibss_creator = info->ibss_creator;
 		__entry->shortpre = info->use_short_preamble;
 		__entry->cts = info->use_cts_prot;
 		__entry->shortslot = info->use_short_slot;
+		__entry->enable_beacon = info->enable_beacon;
 		__entry->dtimper = info->dtim_period;
 		__entry->bcnint = info->beacon_int;
 		__entry->assoc_cap = info->assoc_capability;
 		__entry->sync_tsf = info->sync_tsf;
 		__entry->sync_device_ts = info->sync_device_ts;
 		__entry->basic_rates = info->basic_rates;
-		__entry->enable_beacon = info->enable_beacon;
+		memcpy(__entry->mcast_rate, info->mcast_rate,
+		       sizeof(__entry->mcast_rate));
 		__entry->ht_operation_mode = info->ht_operation_mode;
+		__entry->cqm_rssi_thold = info->cqm_rssi_thold;
+		__entry->cqm_rssi_hyst = info->cqm_rssi_hyst;
+		__entry->channel_type = info->channel_type;
+		memcpy(__get_dynamic_array(arp_addr_list), info->arp_addr_list,
+		       sizeof(u32) * info->arp_addr_cnt);
+		__entry->arp_filter_enabled = info->arp_filter_enabled;
+		__entry->qos = info->qos;
+		__entry->idle = info->idle;
+		__entry->ps = info->ps;
+		memcpy(__get_dynamic_array(ssid), info->ssid, info->ssid_len);
+		__entry->hidden_ssid = info->hidden_ssid;
 	),
 
 	TP_printk(

net/mac80211/util.c

@@ -821,7 +821,7 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len,
 		if (elem_parse_failed)
 			elems->parse_error = true;
 		else
-			set_bit(id, seen_elems);
+			__set_bit(id, seen_elems);
 
 		left -= elen;
 		pos += elen;

net/wireless/core.c

@@ -241,7 +241,7 @@ static int cfg80211_rfkill_set_block(void *data, bool blocked)
 		case NL80211_IFTYPE_P2P_DEVICE:
 			if (!wdev->p2p_started)
 				break;
-			rdev->ops->stop_p2p_device(&rdev->wiphy, wdev);
+			rdev_stop_p2p_device(rdev, wdev);
 			wdev->p2p_started = false;
 			rdev->opencount--;
 			break;
@@ -774,7 +774,7 @@ void cfg80211_unregister_wdev(struct wireless_dev *wdev)
 	case NL80211_IFTYPE_P2P_DEVICE:
 		if (!wdev->p2p_started)
 			break;
-		rdev->ops->stop_p2p_device(&rdev->wiphy, wdev);
+		rdev_stop_p2p_device(rdev, wdev);
 		wdev->p2p_started = false;
 		rdev->opencount--;
 		break;

net/wireless/nl80211.c

@@ -6932,7 +6932,7 @@ static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
 	if (err)
 		return err;
 
-	err = rdev->ops->start_p2p_device(&rdev->wiphy, wdev);
+	err = rdev_start_p2p_device(rdev, wdev);
 	if (err)
 		return err;
 
@@ -6958,7 +6958,7 @@ static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
 	if (!wdev->p2p_started)
 		return 0;
 
-	rdev->ops->stop_p2p_device(&rdev->wiphy, wdev);
+	rdev_stop_p2p_device(rdev, wdev);
 	wdev->p2p_started = false;
 
 	mutex_lock(&rdev->devlist_mtx);

net/wireless/rdev-ops.h

@@ -858,4 +858,22 @@ static inline struct ieee80211_channel
 	return ret;
 }
 
+static inline int rdev_start_p2p_device(struct cfg80211_registered_device *rdev,
+					struct wireless_dev *wdev)
+{
+	int ret;
+
+	trace_rdev_start_p2p_device(&rdev->wiphy, wdev);
+	ret = rdev->ops->start_p2p_device(&rdev->wiphy, wdev);
+	trace_rdev_return_int(&rdev->wiphy, ret);
+	return ret;
+}
+
+static inline void rdev_stop_p2p_device(struct cfg80211_registered_device *rdev,
+					struct wireless_dev *wdev)
+{
+	trace_rdev_stop_p2p_device(&rdev->wiphy, wdev);
+	rdev->ops->stop_p2p_device(&rdev->wiphy, wdev);
+	trace_rdev_return_void(&rdev->wiphy);
+}					
 #endif /* __CFG80211_RDEV_OPS */

net/wireless/trace.h

@@ -1741,6 +1741,16 @@ TRACE_EVENT(rdev_return_channel,
 		  WIPHY_PR_ARG, CHAN_PR_ARG, __entry->type)
 );
 
+DEFINE_EVENT(wiphy_wdev_evt, rdev_start_p2p_device,
+	TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev),
+	TP_ARGS(wiphy, wdev)
+);
+
+DEFINE_EVENT(wiphy_wdev_evt, rdev_stop_p2p_device,
+	TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev),
+	TP_ARGS(wiphy, wdev)
+);
+
 /*************************************************************
  *	     cfg80211 exported functions traces		     *
  *************************************************************/