iwmc3200wifi: use cfg80211_roamed to send roam event

The device sends connection terminated and [re]association success
(or failure) events when roaming occours. The patch uses
cfg80211_roamed instead of cfg80211_connect_result to notify SME
for roaming.

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwmc3200wifi/cfg80211.c

@@ -673,7 +673,7 @@ static int iwm_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
 	IWM_DBG_WEXT(iwm, DBG, "Active: %d\n", iwm->umac_profile_active);
 
 	if (iwm->umac_profile_active)
-		return iwm_invalidate_mlme_profile(iwm);
+		iwm_invalidate_mlme_profile(iwm);
 
 	return 0;
 }

drivers/net/wireless/iwmc3200wifi/commands.c

@@ -756,6 +756,7 @@ int iwm_send_mlme_profile(struct iwm_priv *iwm)
 		return ret;
 	}
 
+	set_bit(IWM_STATUS_SME_CONNECTING, &iwm->status);
 	return 0;
 }
 

drivers/net/wireless/iwmc3200wifi/iwm.h

@@ -175,7 +175,7 @@ struct iwm_key {
 #define IWM_STATUS_READY		0
 #define IWM_STATUS_SCANNING		1
 #define IWM_STATUS_SCAN_ABORTING	2
-#define IWM_STATUS_ASSOCIATING		3
+#define IWM_STATUS_SME_CONNECTING	3
 #define IWM_STATUS_ASSOCIATED		4
 
 struct iwm_tx_queue {

drivers/net/wireless/iwmc3200wifi/rx.c

@@ -487,8 +487,6 @@ static int iwm_mlme_assoc_start(struct iwm_priv *iwm, u8 *buf,
 
 	start = (struct iwm_umac_notif_assoc_start *)buf;
 
-	set_bit(IWM_STATUS_ASSOCIATING, &iwm->status);
-
 	IWM_DBG_MLME(iwm, INFO, "Association with %pM Started, reason: %d\n",
 		     start->bssid, le32_to_cpu(start->roam_reason));
 
@@ -507,14 +505,23 @@ static int iwm_mlme_assoc_complete(struct iwm_priv *iwm, u8 *buf,
 	IWM_DBG_MLME(iwm, INFO, "Association with %pM completed, status: %d\n",
 		     complete->bssid, complete->status);
 
-	clear_bit(IWM_STATUS_ASSOCIATING, &iwm->status);
-
 	switch (le32_to_cpu(complete->status)) {
 	case UMAC_ASSOC_COMPLETE_SUCCESS:
 		set_bit(IWM_STATUS_ASSOCIATED, &iwm->status);
 		memcpy(iwm->bssid, complete->bssid, ETH_ALEN);
 		iwm->channel = complete->channel;
 
+		/* Internal roaming state, avoid notifying SME. */
+		if (!test_and_clear_bit(IWM_STATUS_SME_CONNECTING, &iwm->status)
+		    && iwm->conf.mode == UMAC_MODE_BSS) {
+			cfg80211_roamed(iwm_to_ndev(iwm),
+					complete->bssid,
+					iwm->req_ie, iwm->req_ie_len,
+					iwm->resp_ie, iwm->resp_ie_len,
+					GFP_KERNEL);
+			break;
+		}
+
 		iwm_link_on(iwm);
 
 		if (iwm->conf.mode == UMAC_MODE_IBSS)
@@ -531,6 +538,11 @@ static int iwm_mlme_assoc_complete(struct iwm_priv *iwm, u8 *buf,
 		memset(iwm->bssid, 0, ETH_ALEN);
 		iwm->channel = 0;
 
+		/* Internal roaming state, avoid notifying SME. */
+		if (!test_and_clear_bit(IWM_STATUS_SME_CONNECTING, &iwm->status)
+		    && iwm->conf.mode == UMAC_MODE_BSS)
+			break;
+
 		iwm_link_off(iwm);
 
 		if (iwm->conf.mode == UMAC_MODE_IBSS)
@@ -540,6 +552,7 @@ static int iwm_mlme_assoc_complete(struct iwm_priv *iwm, u8 *buf,
 					NULL, 0, NULL, 0,
 					WLAN_STATUS_UNSPECIFIED_FAILURE,
 					GFP_KERNEL);
+		break;
 	default:
 		break;
 	}
@@ -562,7 +575,7 @@ static int iwm_mlme_profile_invalidate(struct iwm_priv *iwm, u8 *buf,
 	IWM_DBG_MLME(iwm, INFO, "Profile Invalidated. Reason: %d\n",
 		     le32_to_cpu(invalid->reason));
 
-	clear_bit(IWM_STATUS_ASSOCIATING, &iwm->status);
+	clear_bit(IWM_STATUS_SME_CONNECTING, &iwm->status);
 	clear_bit(IWM_STATUS_ASSOCIATED, &iwm->status);
 
 	iwm->umac_profile_active = 0;
@@ -813,7 +826,8 @@ static int iwm_mlme_mgt_frame(struct iwm_priv *iwm, u8 *buf,
 		iwm->resp_ie = kmemdup(mgt->u.reassoc_resp.variable,
 				       iwm->resp_ie_len, GFP_KERNEL);
 	} else {
-		IWM_ERR(iwm, "Unsupported management frame");
+		IWM_ERR(iwm, "Unsupported management frame: 0x%x",
+			cpu_to_le16(mgt->frame_control));
 		return 0;
 	}