samsung update 1

8 files changed, 92 insertions, 36 deletions

diff --git a/net/wireless/.gitignore b/net/wireless/.gitignore
deleted file mode 100644
index c33451b..0000000
--- a/net/wireless/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-regdb.c
diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig
index 1f1ef70..8e2a668 100644
--- a/net/wireless/Kconfig
+++ b/net/wireless/Kconfig
@@ -159,3 +159,14 @@ config LIB80211_DEBUG
 	  from lib80211.
 
 	  If unsure, say N.
+
+config CFG80211_ALLOW_RECONNECT
+	bool "Allow reconnect while already connected"
+	depends on CFG80211
+	default n
+	help
+	  cfg80211 stack doesn't allow to connect if you are already
+	  connected. This option allows to make a connection in this case.
+
+	  Select this option ONLY for wlan drivers that are specifically
+	  built for such purposes.
diff --git a/net/wireless/core.h b/net/wireless/core.h
index a570ff9..46e8f46 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -247,12 +247,11 @@ struct cfg80211_event {
 			u16 status;
 		} cr;
 		struct {
-			struct ieee80211_channel *channel;
-			u8 bssid[ETH_ALEN];
 			const u8 *req_ie;
 			const u8 *resp_ie;
 			size_t req_ie_len;
 			size_t resp_ie_len;
+			struct cfg80211_bss *bss;
 		} rm;
 		struct {
 			const u8 *ie;
@@ -396,8 +395,7 @@ int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
 			struct net_device *dev, u16 reason,
 			bool wextev);
 void __cfg80211_roamed(struct wireless_dev *wdev,
-		       struct ieee80211_channel *channel,
-		       const u8 *bssid,
+		       struct cfg80211_bss *bss,
 		       const u8 *req_ie, size_t req_ie_len,
 		       const u8 *resp_ie, size_t resp_ie_len);
 int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 0c2b808..8bf76cc 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -2208,6 +2208,10 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
 	}
 	nla_nest_end(msg, sinfoattr);
 
+	if (sinfo->assoc_req_ies)
+		NLA_PUT(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
+			sinfo->assoc_req_ies);
+
 	return genlmsg_end(msg, hdr);
 
  nla_put_failure:
@@ -2235,6 +2239,7 @@ static int nl80211_dump_station(struct sk_buff *skb,
 	}
 
 	while (1) {
+		memset(&sinfo, 0, sizeof(sinfo));
 		err = dev->ops->dump_station(&dev->wiphy, netdev, sta_idx,
 					     mac_addr, &sinfo);
 		if (err == -ENOENT)
@@ -3862,22 +3867,36 @@ static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type)
 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
 {
 	return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
-				  NL80211_WPA_VERSION_2));
+				NL80211_WPA_VERSION_2 |
+/*WAPI*/
+				NL80211_WAPI_VERSION_1));
 }
 
 static bool nl80211_valid_akm_suite(u32 akm)
 {
 	return akm == WLAN_AKM_SUITE_8021X ||
-		akm == WLAN_AKM_SUITE_PSK;
+#if 1 /* AKM_SUITE for CCKM */
+		akm == WLAN_AKM_SUITE_CCKM ||
+#endif
+		akm == WLAN_AKM_SUITE_PSK ||
+/* WAPI */
+		akm == WLAN_AKM_SUITE_WAPI_PSK ||
+		akm == WLAN_AKM_SUITE_WAPI_CERT;
 }
 
 static bool nl80211_valid_cipher_suite(u32 cipher)
 {
+	if (cipher == WLAN_CIPHER_SUITE_SMS4)
+		printk(KERN_DEBUG " ** nl80211_valid_cipher_suite, is WLAN_CIPHER_SUITE_SMS4\n");
 	return cipher == WLAN_CIPHER_SUITE_WEP40 ||
 		cipher == WLAN_CIPHER_SUITE_WEP104 ||
 		cipher == WLAN_CIPHER_SUITE_TKIP ||
 		cipher == WLAN_CIPHER_SUITE_CCMP ||
-		cipher == WLAN_CIPHER_SUITE_AES_CMAC;
+		cipher == WLAN_CIPHER_SUITE_AES_CMAC ||
+/*
+WAPI
+*/
+		cipher == WLAN_CIPHER_SUITE_SMS4;
 }
 
 
@@ -4043,9 +4062,6 @@ static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
 		if (len % sizeof(u32))
 			return -EINVAL;
 
-		if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
-			return -EINVAL;
-
 		memcpy(settings->akm_suites, data, len);
 
 		for (i = 0; i < settings->n_akm_suites; i++)
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index ca76d8b..72f7fee 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1773,6 +1773,7 @@ static void restore_alpha2(char *alpha2, bool reset_user)
 static void restore_regulatory_settings(bool reset_user)
 {
 	char alpha2[2];
+	char world_alpha2[2];
 	struct reg_beacon *reg_beacon, *btmp;
 	struct regulatory_request *reg_request, *tmp;
 	LIST_HEAD(tmp_reg_req_list);
@@ -1823,11 +1824,13 @@ static void restore_regulatory_settings(bool reset_user)
 
 	/* First restore to the basic regulatory settings */
 	cfg80211_regdomain = cfg80211_world_regdom;
+	world_alpha2[0] = cfg80211_regdomain->alpha2[0];
+	world_alpha2[1] = cfg80211_regdomain->alpha2[1];
 
 	mutex_unlock(&reg_mutex);
 	mutex_unlock(&cfg80211_mutex);
 
-	regulatory_hint_core(cfg80211_regdomain->alpha2);
+	regulatory_hint_core(world_alpha2);
 
 	/*
 	 * This restores the ieee80211_regdom module parameter
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index ae0c225..16fc437 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -17,7 +17,7 @@
 #include "nl80211.h"
 #include "wext-compat.h"
 
-#define IEEE80211_SCAN_RESULT_EXPIRE	(15 * HZ)
+#define IEEE80211_SCAN_RESULT_EXPIRE	(3 * HZ)
 
 void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak)
 {
@@ -369,6 +369,9 @@ struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy,
 	struct cfg80211_internal_bss *bss, *res = NULL;
 	unsigned long now = jiffies;
 
+	if ((bssid == NULL) || (ssid == NULL))
+		return NULL;
+
 	spin_lock_bh(&dev->bss_lock);
 
 	list_for_each_entry(bss, &dev->bss_list, list) {
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index b7b6ff8..ccb45d8 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -543,12 +543,10 @@ void cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
 EXPORT_SYMBOL(cfg80211_connect_result);
 
 void __cfg80211_roamed(struct wireless_dev *wdev,
-		       struct ieee80211_channel *channel,
-		       const u8 *bssid,
+		       struct cfg80211_bss *bss,
 		       const u8 *req_ie, size_t req_ie_len,
 		       const u8 *resp_ie, size_t resp_ie_len)
 {
-	struct cfg80211_bss *bss;
 #ifdef CONFIG_CFG80211_WEXT
 	union iwreq_data wrqu;
 #endif
@@ -557,31 +555,24 @@ void __cfg80211_roamed(struct wireless_dev *wdev,
 
 	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION &&
 		    wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
-		return;
+		goto out;
 
 	if (wdev->sme_state != CFG80211_SME_CONNECTED)
-		return;
+		goto out;
 
 	/* internal error -- how did we get to CONNECTED w/o BSS? */
 	if (WARN_ON(!wdev->current_bss)) {
-		return;
+		goto out;
 	}
 
 	cfg80211_unhold_bss(wdev->current_bss);
 	cfg80211_put_bss(&wdev->current_bss->pub);
 	wdev->current_bss = NULL;
 
-	bss = cfg80211_get_bss(wdev->wiphy, channel, bssid,
-			       wdev->ssid, wdev->ssid_len,
-			       WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
-
-	if (WARN_ON(!bss))
-		return;
-
 	cfg80211_hold_bss(bss_from_pub(bss));
 	wdev->current_bss = bss_from_pub(bss);
 
-	nl80211_send_roamed(wiphy_to_dev(wdev->wiphy), wdev->netdev, bssid,
+	nl80211_send_roamed(wiphy_to_dev(wdev->wiphy), wdev->netdev, bss->bssid,
 			    req_ie, req_ie_len, resp_ie, resp_ie_len,
 			    GFP_KERNEL);
 
@@ -602,11 +593,15 @@ void __cfg80211_roamed(struct wireless_dev *wdev,
 
 	memset(&wrqu, 0, sizeof(wrqu));
 	wrqu.ap_addr.sa_family = ARPHRD_ETHER;
-	memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN);
-	memcpy(wdev->wext.prev_bssid, bssid, ETH_ALEN);
+	memcpy(wrqu.ap_addr.sa_data, bss->bssid, ETH_ALEN);
+	memcpy(wdev->wext.prev_bssid, bss->bssid, ETH_ALEN);
 	wdev->wext.prev_bssid_valid = true;
 	wireless_send_event(wdev->netdev, SIOCGIWAP, &wrqu, NULL);
 #endif
+
+	return;
+out:
+	cfg80211_put_bss(bss);
 }
 
 void cfg80211_roamed(struct net_device *dev,
@@ -616,32 +611,57 @@ void cfg80211_roamed(struct net_device *dev,
 		     const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp)
 {
 	struct wireless_dev *wdev = dev->ieee80211_ptr;
+	struct cfg80211_bss *bss;
+
+	CFG80211_DEV_WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTED);
+
+	bss = cfg80211_get_bss(wdev->wiphy, channel, bssid, wdev->ssid,
+			       wdev->ssid_len, WLAN_CAPABILITY_ESS,
+			       WLAN_CAPABILITY_ESS);
+	if (WARN_ON(!bss))
+		return;
+
+	cfg80211_roamed_bss(dev, bss, req_ie, req_ie_len, resp_ie,
+			    resp_ie_len, gfp);
+}
+EXPORT_SYMBOL(cfg80211_roamed);
+
+void cfg80211_roamed_bss(struct net_device *dev,
+			 struct cfg80211_bss *bss, const u8 *req_ie,
+			 size_t req_ie_len, const u8 *resp_ie,
+			 size_t resp_ie_len, gfp_t gfp)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
 	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
 	struct cfg80211_event *ev;
 	unsigned long flags;
 
 	CFG80211_DEV_WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTED);
 
+	if (WARN_ON(!bss))
+		return;
+
 	ev = kzalloc(sizeof(*ev) + req_ie_len + resp_ie_len, gfp);
-	if (!ev)
+	if (!ev) {
+		cfg80211_put_bss(bss);
 		return;
+	}
 
 	ev->type = EVENT_ROAMED;
-	ev->rm.channel = channel;
-	memcpy(ev->rm.bssid, bssid, ETH_ALEN);
 	ev->rm.req_ie = ((u8 *)ev) + sizeof(*ev);
 	ev->rm.req_ie_len = req_ie_len;
 	memcpy((void *)ev->rm.req_ie, req_ie, req_ie_len);
 	ev->rm.resp_ie = ((u8 *)ev) + sizeof(*ev) + req_ie_len;
 	ev->rm.resp_ie_len = resp_ie_len;
 	memcpy((void *)ev->rm.resp_ie, resp_ie, resp_ie_len);
+	ev->rm.bss = bss;
 
 	spin_lock_irqsave(&wdev->event_lock, flags);
 	list_add_tail(&ev->list, &wdev->event_list);
 	spin_unlock_irqrestore(&wdev->event_lock, flags);
 	queue_work(cfg80211_wq, &rdev->event_work);
 }
-EXPORT_SYMBOL(cfg80211_roamed);
+EXPORT_SYMBOL(cfg80211_roamed_bss);
 
 void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
 			     size_t ie_len, u16 reason, bool from_ap)
@@ -659,8 +679,10 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
 		    wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
 		return;
 
+#ifndef CONFIG_CFG80211_ALLOW_RECONNECT
 	if (wdev->sme_state != CFG80211_SME_CONNECTED)
 		return;
+#endif
 
 	if (wdev->current_bss) {
 		cfg80211_unhold_bss(wdev->current_bss);
@@ -758,10 +780,14 @@ int __cfg80211_connect(struct cfg80211_registered_device *rdev,
 
 	ASSERT_WDEV_LOCK(wdev);
 
+#ifndef CONFIG_CFG80211_ALLOW_RECONNECT
 	if (wdev->sme_state != CFG80211_SME_IDLE)
 		return -EALREADY;
 
 	if (WARN_ON(wdev->connect_keys)) {
+#else
+	if (wdev->connect_keys) {
+#endif
 		kfree(wdev->connect_keys);
 		wdev->connect_keys = NULL;
 	}
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 4d7b83f..bb684bc 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -746,9 +746,9 @@ static void cfg80211_process_wdev_events(struct wireless_dev *wdev)
 				NULL);
 			break;
 		case EVENT_ROAMED:
-			__cfg80211_roamed(wdev, ev->rm.channel, ev->rm.bssid,
-					  ev->rm.req_ie, ev->rm.req_ie_len,
-					  ev->rm.resp_ie, ev->rm.resp_ie_len);
+			__cfg80211_roamed(wdev, ev->rm.bss, ev->rm.req_ie,
+					  ev->rm.req_ie_len, ev->rm.resp_ie,
+					  ev->rm.resp_ie_len);
 			break;
 		case EVENT_DISCONNECTED:
 			__cfg80211_disconnected(wdev->netdev,