5 files changed, 78 insertions, 33 deletions

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 57a3c62139e2..4c189d0be4a3 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -210,7 +210,7 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
 
 static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
                                            const u8 *bssid, u16 stype, u16 reason,
-                                           void *cookie)
+                                           void *cookie, bool send_frame)
 {
         struct ieee80211_local *local = sdata->local;
         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
@@ -247,7 +247,11 @@ static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
                         cfg80211_send_disassoc(sdata->dev, (u8 *)mgmt, skb->len);
         if (!(ifmgd->flags & IEEE80211_STA_MFP_ENABLED))
                 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
-        ieee80211_tx_skb(sdata, skb);
+
+        if (send_frame)
+                ieee80211_tx_skb(sdata, skb);
+        else
+                kfree_skb(skb);
 }
 
 void ieee80211_send_pspoll(struct ieee80211_local *local,
@@ -980,7 +984,7 @@ static void __ieee80211_connection_loss(struct ieee80211_sub_if_data *sdata)
         ieee80211_send_deauth_disassoc(sdata, bssid,
                                        IEEE80211_STYPE_DEAUTH,
                                        WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
-                                       NULL);
+                                       NULL, true);
 }
 
 void ieee80211_beacon_connection_loss_work(struct work_struct *work)
@@ -1724,7 +1728,7 @@ static void ieee80211_sta_work(struct work_struct *work)
                         ieee80211_send_deauth_disassoc(sdata, bssid,
                                         IEEE80211_STYPE_DEAUTH,
                                         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
-                                        NULL);
+                                        NULL, true);
                         mutex_lock(&ifmgd->mtx);
                 }
         }
@@ -1908,6 +1912,9 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
         struct ieee80211_work *wk;
         u16 auth_alg;
 
+        if (req->local_state_change)
+                return 0; /* no need to update mac80211 state */
+
         switch (req->auth_type) {
         case NL80211_AUTHTYPE_OPEN_SYSTEM:
                 auth_alg = WLAN_AUTH_OPEN;
@@ -2163,9 +2170,9 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
         printk(KERN_DEBUG "%s: deauthenticating from %pM by local choice (reason=%d)\n",
                sdata->name, bssid, req->reason_code);
 
-        ieee80211_send_deauth_disassoc(sdata, bssid,
-                        IEEE80211_STYPE_DEAUTH, req->reason_code,
-                        cookie);
+        ieee80211_send_deauth_disassoc(sdata, bssid, IEEE80211_STYPE_DEAUTH,
+                                       req->reason_code, cookie,
+                                       !req->local_state_change);
 
         ieee80211_recalc_idle(sdata->local);
 
@@ -2202,7 +2209,7 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
 
         ieee80211_send_deauth_disassoc(sdata, req->bss->bssid,
                         IEEE80211_STYPE_DISASSOC, req->reason_code,
-                        cookie);
+                        cookie, !req->local_state_change);
         sta_info_destroy_addr(sdata, bssid);
 
         ieee80211_recalc_idle(sdata->local);
diff --git a/net/wireless/core.h b/net/wireless/core.h
index d52da913145a..b2234b436ead 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -293,13 +293,15 @@ int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
                          const u8 *bssid,
                          const u8 *ssid, int ssid_len,
                          const u8 *ie, int ie_len,
-                         const u8 *key, int key_len, int key_idx);
+                         const u8 *key, int key_len, int key_idx,
+                         bool local_state_change);
 int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
                        struct net_device *dev, struct ieee80211_channel *chan,
                        enum nl80211_auth_type auth_type, const u8 *bssid,
                        const u8 *ssid, int ssid_len,
                        const u8 *ie, int ie_len,
-                       const u8 *key, int key_len, int key_idx);
+                       const u8 *key, int key_len, int key_idx,
+                       bool local_state_change);
 int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
                           struct net_device *dev,
                           struct ieee80211_channel *chan,
@@ -315,13 +317,16 @@ int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
                         struct cfg80211_crypto_settings *crypt);
 int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
                            struct net_device *dev, const u8 *bssid,
-                           const u8 *ie, int ie_len, u16 reason);
+                           const u8 *ie, int ie_len, u16 reason,
+                           bool local_state_change);
 int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
                          struct net_device *dev, const u8 *bssid,
-                         const u8 *ie, int ie_len, u16 reason);
+                         const u8 *ie, int ie_len, u16 reason,
+                         bool local_state_change);
 int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
                            struct net_device *dev, const u8 *bssid,
-                           const u8 *ie, int ie_len, u16 reason);
+                           const u8 *ie, int ie_len, u16 reason,
+                           bool local_state_change);
 void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
                         struct net_device *dev);
 void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 0855f0d32349..387dd2a27d2f 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -377,7 +377,8 @@ int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
                          const u8 *bssid,
                          const u8 *ssid, int ssid_len,
                          const u8 *ie, int ie_len,
-                         const u8 *key, int key_len, int key_idx)
+                         const u8 *key, int key_len, int key_idx,
+                         bool local_state_change)
 {
         struct wireless_dev *wdev = dev->ieee80211_ptr;
         struct cfg80211_auth_request req;
@@ -407,6 +408,7 @@ int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
 
         memset(&req, 0, sizeof(req));
 
+        req.local_state_change = local_state_change;
         req.ie = ie;
         req.ie_len = ie_len;
         req.auth_type = auth_type;
@@ -433,12 +435,18 @@ int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
                 goto out;
         }
 
-        wdev->authtry_bsses[slot] = bss;
+        if (local_state_change)
+                wdev->auth_bsses[slot] = bss;
+        else
+                wdev->authtry_bsses[slot] = bss;
         cfg80211_hold_bss(bss);
 
         err = rdev->ops->auth(&rdev->wiphy, dev, &req);
         if (err) {
-                wdev->authtry_bsses[slot] = NULL;
+                if (local_state_change)
+                        wdev->auth_bsses[slot] = NULL;
+                else
+                        wdev->authtry_bsses[slot] = NULL;
                 cfg80211_unhold_bss(bss);
         }
 
@@ -453,14 +461,15 @@ int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
                        enum nl80211_auth_type auth_type, const u8 *bssid,
                        const u8 *ssid, int ssid_len,
                        const u8 *ie, int ie_len,
-                       const u8 *key, int key_len, int key_idx)
+                       const u8 *key, int key_len, int key_idx,
+                       bool local_state_change)
 {
         int err;
 
         wdev_lock(dev->ieee80211_ptr);
         err = __cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
                                    ssid, ssid_len, ie, ie_len,
-                                   key, key_len, key_idx);
+                                   key, key_len, key_idx, local_state_change);
         wdev_unlock(dev->ieee80211_ptr);
 
         return err;
@@ -554,7 +563,8 @@ int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
 
 int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
                            struct net_device *dev, const u8 *bssid,
-                           const u8 *ie, int ie_len, u16 reason)
+                           const u8 *ie, int ie_len, u16 reason,
+                           bool local_state_change)
 {
         struct wireless_dev *wdev = dev->ieee80211_ptr;
         struct cfg80211_deauth_request req;
@@ -564,6 +574,7 @@ int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
 
         memset(&req, 0, sizeof(req));
         req.reason_code = reason;
+        req.local_state_change = local_state_change;
         req.ie = ie;
         req.ie_len = ie_len;
         if (wdev->current_bss &&
@@ -590,13 +601,15 @@ int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
 
 int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
                          struct net_device *dev, const u8 *bssid,
-                         const u8 *ie, int ie_len, u16 reason)
+                         const u8 *ie, int ie_len, u16 reason,
+                         bool local_state_change)
 {
         struct wireless_dev *wdev = dev->ieee80211_ptr;
         int err;
 
         wdev_lock(wdev);
-        err = __cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason);
+        err = __cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason,
+                                     local_state_change);
         wdev_unlock(wdev);
 
         return err;
@@ -604,7 +617,8 @@ int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
 
 static int __cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
                                     struct net_device *dev, const u8 *bssid,
-                                    const u8 *ie, int ie_len, u16 reason)
+                                    const u8 *ie, int ie_len, u16 reason,
+                                    bool local_state_change)
 {
         struct wireless_dev *wdev = dev->ieee80211_ptr;
         struct cfg80211_disassoc_request req;
@@ -619,6 +633,7 @@ static int __cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
 
         memset(&req, 0, sizeof(req));
         req.reason_code = reason;
+        req.local_state_change = local_state_change;
         req.ie = ie;
         req.ie_len = ie_len;
         if (memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0)
@@ -631,13 +646,15 @@ static int __cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
 
 int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
                            struct net_device *dev, const u8 *bssid,
-                           const u8 *ie, int ie_len, u16 reason)
+                           const u8 *ie, int ie_len, u16 reason,
+                           bool local_state_change)
 {
         struct wireless_dev *wdev = dev->ieee80211_ptr;
         int err;
 
         wdev_lock(wdev);
-        err = __cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason);
+        err = __cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason,
+                                       local_state_change);
         wdev_unlock(wdev);
 
         return err;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 95149f303409..df5505b3930c 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -150,6 +150,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
         [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
         [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 },
         [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
+        [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
 };
 
 /* policy for the attributes */
@@ -3393,6 +3394,7 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
         int err, ssid_len, ie_len = 0;
         enum nl80211_auth_type auth_type;
         struct key_parse key;
+        bool local_state_change;
 
         if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
                 return -EINVAL;
@@ -3471,9 +3473,12 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
                 goto out;
         }
 
+        local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
+
         err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
                                  ssid, ssid_len, ie, ie_len,
-                                 key.p.key, key.p.key_len, key.idx);
+                                 key.p.key, key.p.key_len, key.idx,
+                                 local_state_change);
 
 out:
         cfg80211_unlock_rdev(rdev);
@@ -3650,6 +3655,7 @@ static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
         const u8 *ie = NULL, *bssid;
         int err, ie_len = 0;
         u16 reason_code;
+        bool local_state_change;
 
         if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
                 return -EINVAL;
@@ -3695,7 +3701,10 @@ static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
                 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
         }
 
-        err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code);
+        local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
+
+        err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
+                                   local_state_change);
 
 out:
         cfg80211_unlock_rdev(rdev);
@@ -3712,6 +3721,7 @@ static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
         const u8 *ie = NULL, *bssid;
         int err, ie_len = 0;
         u16 reason_code;
+        bool local_state_change;
 
         if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
                 return -EINVAL;
@@ -3757,7 +3767,10 @@ static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
                 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
         }
 
-        err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code);
+        local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
+
+        err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
+                                     local_state_change);
 
 out:
         cfg80211_unlock_rdev(rdev);
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 17fde0da1b08..17465777eb47 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -170,7 +170,7 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev)
                                             params->ssid, params->ssid_len,
                                             NULL, 0,
                                             params->key, params->key_len,
-                                            params->key_idx);
+                                            params->key_idx, false);
         case CFG80211_CONN_ASSOCIATE_NEXT:
                 BUG_ON(!rdev->ops->assoc);
                 wdev->conn->state = CFG80211_CONN_ASSOCIATING;
@@ -185,12 +185,13 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev)
                 if (err)
                         __cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
                                                NULL, 0,
-                                               WLAN_REASON_DEAUTH_LEAVING);
+                                               WLAN_REASON_DEAUTH_LEAVING,
+                                               false);
                 return err;
         case CFG80211_CONN_DEAUTH_ASSOC_FAIL:
                 __cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
                                        NULL, 0,
-                                       WLAN_REASON_DEAUTH_LEAVING);
+                                       WLAN_REASON_DEAUTH_LEAVING, false);
                 /* return an error so that we call __cfg80211_connect_result() */
                 return -EINVAL;
         default:
@@ -675,7 +676,8 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
                                 continue;
                         bssid = wdev->auth_bsses[i]->pub.bssid;
                         ret = __cfg80211_mlme_deauth(rdev, dev, bssid, NULL, 0,
-                                                WLAN_REASON_DEAUTH_LEAVING);
+                                                WLAN_REASON_DEAUTH_LEAVING,
+                                                false);
                         WARN(ret, "deauth failed: %d\n", ret);
                 }
         }
@@ -934,7 +936,7 @@ int __cfg80211_disconnect(struct cfg80211_registered_device *rdev,
                 /* wdev->conn->params.bssid must be set if > SCANNING */
                 err = __cfg80211_mlme_deauth(rdev, dev,
                                              wdev->conn->params.bssid,
-                                             NULL, 0, reason);
+                                             NULL, 0, reason, false);
                 if (err)
                         return err;
         } else {
@@ -990,7 +992,8 @@ void cfg80211_sme_disassoc(struct net_device *dev, int idx)
 
         memcpy(bssid, wdev->auth_bsses[idx]->pub.bssid, ETH_ALEN);
         if (__cfg80211_mlme_deauth(rdev, dev, bssid,
-                                   NULL, 0, WLAN_REASON_DEAUTH_LEAVING)) {
+                                   NULL, 0, WLAN_REASON_DEAUTH_LEAVING,
+                                   false)) {
                 /* whatever -- assume gone anyway */
                 cfg80211_unhold_bss(wdev->auth_bsses[idx]);
                 cfg80211_put_bss(&wdev->auth_bsses[idx]->pub);