Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem

Conflicts:
	drivers/net/wireless/ath/ath9k/recv.c

11 files changed, 116 insertions, 34 deletions

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 363d19b5d5c8..1acb29109b45 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1347,9 +1347,6 @@ static int sta_apply_parameters(struct ieee80211_local *local,
 						    params->vht_capa, sta);
 
 	if (params->opmode_notif_used) {
-		enum ieee80211_band band =
-			ieee80211_get_sdata_band(sdata);
-
 		/* returned value is only needed for rc update, but the
 		 * rc isn't initialized here yet, so ignore it
 		 */
@@ -3647,8 +3644,8 @@ ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
 
 static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
 			       u8 *peer, u8 action_code, u8 dialog_token,
-			       u16 status_code, const u8 *extra_ies,
-			       size_t extra_ies_len)
+			       u16 status_code, u32 peer_capability,
+			       const u8 *extra_ies, size_t extra_ies_len)
 {
 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct ieee80211_local *local = sdata->local;
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index ebf80f3abd83..40a648938985 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -358,6 +358,18 @@ static ssize_t ieee80211_if_parse_tkip_mic_test(
 }
 IEEE80211_IF_FILE_W(tkip_mic_test);
 
+static ssize_t ieee80211_if_parse_beacon_loss(
+	struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
+{
+	if (!ieee80211_sdata_running(sdata) || !sdata->vif.bss_conf.assoc)
+		return -ENOTCONN;
+
+	ieee80211_beacon_loss(&sdata->vif);
+
+	return buflen;
+}
+IEEE80211_IF_FILE_W(beacon_loss);
+
 static ssize_t ieee80211_if_fmt_uapsd_queues(
 	const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 {
@@ -569,6 +581,7 @@ static void add_sta_files(struct ieee80211_sub_if_data *sdata)
 	DEBUGFS_ADD(beacon_timeout);
 	DEBUGFS_ADD_MODE(smps, 0600);
 	DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
+	DEBUGFS_ADD_MODE(beacon_loss, 0200);
 	DEBUGFS_ADD_MODE(uapsd_queues, 0600);
 	DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
 }
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index ef8b385eff04..fc689f5d971e 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -354,16 +354,20 @@ drv_sched_scan_start(struct ieee80211_local *local,
 	return ret;
 }
 
-static inline void drv_sched_scan_stop(struct ieee80211_local *local,
-				       struct ieee80211_sub_if_data *sdata)
+static inline int drv_sched_scan_stop(struct ieee80211_local *local,
+				      struct ieee80211_sub_if_data *sdata)
 {
+	int ret;
+
 	might_sleep();
 
 	check_sdata_in_driver(sdata);
 
 	trace_drv_sched_scan_stop(local, sdata);
-	local->ops->sched_scan_stop(&local->hw, &sdata->vif);
-	trace_drv_return_void(local);
+	ret = local->ops->sched_scan_stop(&local->hw, &sdata->vif);
+	trace_drv_return_int(local, ret);
+
+	return ret;
 }
 
 static inline void drv_sw_scan_start(struct ieee80211_local *local)
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index afbe2b203c3e..c150b68436d7 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -482,8 +482,6 @@ void ieee80211_request_smps(struct ieee80211_vif *vif,
 		return;
 
 	if (vif->type == NL80211_IFTYPE_STATION) {
-		if (WARN_ON(smps_mode == IEEE80211_SMPS_OFF))
-			smps_mode = IEEE80211_SMPS_AUTOMATIC;
 		if (sdata->u.mgd.driver_smps_mode == smps_mode)
 			return;
 		sdata->u.mgd.driver_smps_mode = smps_mode;
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 4453e2725e40..e458ca0dffec 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -283,6 +283,11 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
 
 	err = cfg80211_chandef_dfs_required(sdata->local->hw.wiphy,
 					    &chandef);
+	if (err < 0) {
+		sdata_info(sdata,
+			   "Failed to join IBSS, invalid chandef\n");
+		return;
+	}
 	if (err > 0) {
 		if (!ifibss->userspace_handles_dfs) {
 			sdata_info(sdata,
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 906e211b1dd1..0d1a0f801b94 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1242,6 +1242,8 @@ struct ieee80211_local {
 
 	struct ieee80211_sub_if_data __rcu *p2p_sdata;
 
+	struct napi_struct *napi;
+
 	/* virtual monitor interface */
 	struct ieee80211_sub_if_data __rcu *monitor_sdata;
 	struct cfg80211_chan_def monitor_chandef;
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 088111af6c7c..b8d331e7d883 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -101,9 +101,8 @@ static u32 __ieee80211_idle_on(struct ieee80211_local *local)
 static u32 __ieee80211_recalc_idle(struct ieee80211_local *local,
 				   bool force_active)
 {
-	bool working = false, scanning, active;
+	bool working, scanning, active;
 	unsigned int led_trig_start = 0, led_trig_stop = 0;
-	struct ieee80211_roc_work *roc;
 
 	lockdep_assert_held(&local->mtx);
 
@@ -111,12 +110,8 @@ static u32 __ieee80211_recalc_idle(struct ieee80211_local *local,
 		 !list_empty(&local->chanctx_list) ||
 		 local->monitors;
 
-	if (!local->ops->remain_on_channel) {
-		list_for_each_entry(roc, &local->roc_list, list) {
-			working = true;
-			break;
-		}
-	}
+	working = !local->ops->remain_on_channel &&
+		  !list_empty(&local->roc_list);
 
 	scanning = test_bit(SCAN_SW_SCANNING, &local->scanning) ||
 		   test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning);
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 1f7d8422d62d..b055f6a55c68 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -1076,6 +1076,18 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 }
 EXPORT_SYMBOL(ieee80211_register_hw);
 
+void ieee80211_napi_add(struct ieee80211_hw *hw, struct napi_struct *napi,
+			struct net_device *napi_dev,
+			int (*poll)(struct napi_struct *, int),
+			int weight)
+{
+	struct ieee80211_local *local = hw_to_local(hw);
+
+	netif_napi_add(napi_dev, napi, poll, weight);
+	local->napi = napi;
+}
+EXPORT_SYMBOL_GPL(ieee80211_napi_add);
+
 void ieee80211_unregister_hw(struct ieee80211_hw *hw)
 {
 	struct ieee80211_local *local = hw_to_local(hw);
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 4bc227550f25..94f0af29b742 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -131,13 +131,13 @@ void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata)
 	if (unlikely(!sdata->u.mgd.associated))
 		return;
 
+	ifmgd->probe_send_count = 0;
+
 	if (sdata->local->hw.flags & IEEE80211_HW_CONNECTION_MONITOR)
 		return;
 
 	mod_timer(&sdata->u.mgd.conn_mon_timer,
 		  round_jiffies_up(jiffies + IEEE80211_CONNECTION_IDLE_TIME));
-
-	ifmgd->probe_send_count = 0;
 }
 
 static int ecw2cw(int ecw)
@@ -2272,6 +2272,62 @@ static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
 	/* ignore frame -- wait for timeout */
 }
 
+#define case_WLAN(type) \
+	case WLAN_REASON_##type: return #type
+
+static const char *ieee80211_get_reason_code_string(u16 reason_code)
+{
+	switch (reason_code) {
+	case_WLAN(UNSPECIFIED);
+	case_WLAN(PREV_AUTH_NOT_VALID);
+	case_WLAN(DEAUTH_LEAVING);
+	case_WLAN(DISASSOC_DUE_TO_INACTIVITY);
+	case_WLAN(DISASSOC_AP_BUSY);
+	case_WLAN(CLASS2_FRAME_FROM_NONAUTH_STA);
+	case_WLAN(CLASS3_FRAME_FROM_NONASSOC_STA);
+	case_WLAN(DISASSOC_STA_HAS_LEFT);
+	case_WLAN(STA_REQ_ASSOC_WITHOUT_AUTH);
+	case_WLAN(DISASSOC_BAD_POWER);
+	case_WLAN(DISASSOC_BAD_SUPP_CHAN);
+	case_WLAN(INVALID_IE);
+	case_WLAN(MIC_FAILURE);
+	case_WLAN(4WAY_HANDSHAKE_TIMEOUT);
+	case_WLAN(GROUP_KEY_HANDSHAKE_TIMEOUT);
+	case_WLAN(IE_DIFFERENT);
+	case_WLAN(INVALID_GROUP_CIPHER);
+	case_WLAN(INVALID_PAIRWISE_CIPHER);
+	case_WLAN(INVALID_AKMP);
+	case_WLAN(UNSUPP_RSN_VERSION);
+	case_WLAN(INVALID_RSN_IE_CAP);
+	case_WLAN(IEEE8021X_FAILED);
+	case_WLAN(CIPHER_SUITE_REJECTED);
+	case_WLAN(DISASSOC_UNSPECIFIED_QOS);
+	case_WLAN(DISASSOC_QAP_NO_BANDWIDTH);
+	case_WLAN(DISASSOC_LOW_ACK);
+	case_WLAN(DISASSOC_QAP_EXCEED_TXOP);
+	case_WLAN(QSTA_LEAVE_QBSS);
+	case_WLAN(QSTA_NOT_USE);
+	case_WLAN(QSTA_REQUIRE_SETUP);
+	case_WLAN(QSTA_TIMEOUT);
+	case_WLAN(QSTA_CIPHER_NOT_SUPP);
+	case_WLAN(MESH_PEER_CANCELED);
+	case_WLAN(MESH_MAX_PEERS);
+	case_WLAN(MESH_CONFIG);
+	case_WLAN(MESH_CLOSE);
+	case_WLAN(MESH_MAX_RETRIES);
+	case_WLAN(MESH_CONFIRM_TIMEOUT);
+	case_WLAN(MESH_INVALID_GTK);
+	case_WLAN(MESH_INCONSISTENT_PARAM);
+	case_WLAN(MESH_INVALID_SECURITY);
+	case_WLAN(MESH_PATH_ERROR);
+	case_WLAN(MESH_PATH_NOFORWARD);
+	case_WLAN(MESH_PATH_DEST_UNREACHABLE);
+	case_WLAN(MAC_EXISTS_IN_MBSS);
+	case_WLAN(MESH_CHAN_REGULATORY);
+	case_WLAN(MESH_CHAN);
+	default: return "<unknown>";
+	}
+}
 
 static void ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
 				     struct ieee80211_mgmt *mgmt, size_t len)
@@ -2293,8 +2349,8 @@ static void ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
 
 	reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
 
-	sdata_info(sdata, "deauthenticated from %pM (Reason: %u)\n",
-		   bssid, reason_code);
+	sdata_info(sdata, "deauthenticated from %pM (Reason: %u=%s)\n",
+		   bssid, reason_code, ieee80211_get_reason_code_string(reason_code));
 
 	ieee80211_set_disassoc(sdata, 0, 0, false, NULL);
 
@@ -4364,8 +4420,8 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
 	bool report_frame = false;
 
 	sdata_info(sdata,
-		   "deauthenticating from %pM by local choice (reason=%d)\n",
-		   req->bssid, req->reason_code);
+		   "deauthenticating from %pM by local choice (Reason: %u=%s)\n",
+		   req->bssid, req->reason_code, ieee80211_get_reason_code_string(req->reason_code));
 
 	if (ifmgd->auth_data) {
 		drv_mgd_prepare_tx(sdata->local, sdata);
@@ -4411,8 +4467,8 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
 		return -ENOLINK;
 
 	sdata_info(sdata,
-		   "disassociating from %pM by local choice (reason=%d)\n",
-		   req->bss->bssid, req->reason_code);
+		   "disassociating from %pM by local choice (Reason: %u=%s)\n",
+		   req->bss->bssid, req->reason_code, ieee80211_get_reason_code_string(req->reason_code));
 
 	memcpy(bssid, req->bss->bssid, ETH_ALEN);
 	ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DISASSOC,
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 282440216a87..5b617660b0ba 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1961,7 +1961,10 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
 		/* deliver to local stack */
 		skb->protocol = eth_type_trans(skb, dev);
 		memset(skb->cb, 0, sizeof(skb->cb));
-		netif_receive_skb(skb);
+		if (rx->local->napi)
+			napi_gro_receive(rx->local->napi, skb);
+		else
+			netif_receive_skb(skb);
 	}
 
 	if (xmit_skb) {
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 88c81616f8f7..836f500dfbf3 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -472,9 +472,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
 	if (local->ops->hw_scan) {
 		u8 *ies;
 
-		local->hw_scan_ies_bufsize = 2 + IEEE80211_MAX_SSID_LEN +
-					     local->scan_ies_len +
-					     req->ie_len;
+		local->hw_scan_ies_bufsize = local->scan_ies_len + req->ie_len;
 		local->hw_scan_req = kmalloc(
 				sizeof(*local->hw_scan_req) +
 				req->n_channels * sizeof(req->channels[0]) +
@@ -979,8 +977,7 @@ int __ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
 	struct cfg80211_chan_def chandef;
 	int ret, i, iebufsz;
 
-	iebufsz = 2 + IEEE80211_MAX_SSID_LEN +
-		  local->scan_ies_len + req->ie_len;
+	iebufsz = local->scan_ies_len + req->ie_len;
 
 	lockdep_assert_held(&local->mtx);
 
@@ -1059,7 +1056,7 @@ int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata)
 	local->sched_scan_req = NULL;
 
 	if (rcu_access_pointer(local->sched_scan_sdata))
-		drv_sched_scan_stop(local, sdata);
+		ret = drv_sched_scan_stop(local, sdata);
 
 out:
 	mutex_unlock(&local->mtx);