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);