7 files changed, 620 insertions, 12 deletions

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index c34c1a41019a..03de4024597a 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1262,7 +1262,7 @@ static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
                 sdata->u.mgd.flags &= ~IEEE80211_STA_MFP_ENABLED;
         }
 
-        if (req->control_port)
+        if (req->crypto.control_port)
                 sdata->u.mgd.flags |= IEEE80211_STA_CONTROL_PORT;
         else
                 sdata->u.mgd.flags &= ~IEEE80211_STA_CONTROL_PORT;
diff --git a/net/wireless/Makefile b/net/wireless/Makefile
index f78c4832a9ca..750c08e31b10 100644
--- a/net/wireless/Makefile
+++ b/net/wireless/Makefile
@@ -5,7 +5,7 @@ obj-$(CONFIG_LIB80211_CRYPT_WEP) += lib80211_crypt_wep.o
 obj-$(CONFIG_LIB80211_CRYPT_CCMP) += lib80211_crypt_ccmp.o
 obj-$(CONFIG_LIB80211_CRYPT_TKIP) += lib80211_crypt_tkip.o
 
-cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o scan.o nl80211.o mlme.o ibss.o
+cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o scan.o nl80211.o mlme.o ibss.o sme.o
 cfg80211-$(CONFIG_CFG80211_DEBUGFS) += debugfs.o
 cfg80211-$(CONFIG_WIRELESS_EXT) += wext-compat.o
 
diff --git a/net/wireless/core.c b/net/wireless/core.c
index d41b7412b212..314e00f70e3b 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -546,6 +546,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
                                 "symlink to netdev!\n");
                 }
                 wdev->netdev = dev;
+                wdev->sme_state = CFG80211_SME_IDLE;
 #ifdef CONFIG_WIRELESS_EXT
                 wdev->wext.default_key = -1;
                 wdev->wext.default_mgmt_key = -1;
@@ -553,11 +554,20 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
                 mutex_unlock(&rdev->devlist_mtx);
                 break;
         case NETDEV_GOING_DOWN:
-                if (wdev->iftype != NL80211_IFTYPE_ADHOC)
-                        break;
                 if (!wdev->ssid_len)
                         break;
-                cfg80211_leave_ibss(rdev, dev, true);
+
+                switch (wdev->iftype) {
+                case NL80211_IFTYPE_ADHOC:
+                        cfg80211_leave_ibss(rdev, dev, true);
+                        break;
+                case NL80211_IFTYPE_STATION:
+                        cfg80211_disconnect(rdev, dev,
+                                            WLAN_REASON_DEAUTH_LEAVING);
+                        break;
+                default:
+                        break;
+                }
                 break;
         case NETDEV_UP:
 #ifdef CONFIG_WIRELESS_EXT
diff --git a/net/wireless/core.h b/net/wireless/core.h
index bc084b68865c..f93f96f85d2b 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -174,6 +174,13 @@ void cfg80211_clear_ibss(struct net_device *dev, bool nowext);
 int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
                         struct net_device *dev, bool nowext);
 
+/* SME */
+int cfg80211_connect(struct cfg80211_registered_device *rdev,
+                     struct net_device *dev,
+                     struct cfg80211_connect_params *connect);
+int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
+                        struct net_device *dev, u16 reason);
+
 /* internal helpers */
 int cfg80211_validate_key_settings(struct key_params *params, int key_idx,
                                    const u8 *mac_addr);
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index bb8de268a6bf..89dd3793e03c 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -128,6 +128,9 @@ static struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] __read_mostly = {
                 .len = sizeof(struct nl80211_sta_flag_update),
         },
         [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
+        [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
+        [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
+        [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
 };
 
 /* IE validation */
@@ -347,6 +350,17 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
         CMD(join_ibss, JOIN_IBSS);
 
 #undef CMD
+
+        if (dev->ops->connect) {
+                i++;
+                NLA_PUT_U32(msg, i, NL80211_CMD_CONNECT);
+        }
+
+        if (dev->ops->disconnect) {
+                i++;
+                NLA_PUT_U32(msg, i, NL80211_CMD_DISCONNECT);
+        }
+
         nla_nest_end(msg, nl_cmds);
 
         return genlmsg_end(msg, hdr);
@@ -3001,12 +3015,31 @@ static int nl80211_dump_scan(struct sk_buff *skb,
 
 static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type)
 {
-        return auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM ||
-                auth_type == NL80211_AUTHTYPE_SHARED_KEY ||
-                auth_type == NL80211_AUTHTYPE_FT ||
-                auth_type == NL80211_AUTHTYPE_NETWORK_EAP;
+        return auth_type <= NL80211_AUTHTYPE_MAX;
+}
+
+static bool nl80211_valid_wpa_versions(u32 wpa_versions)
+{
+        return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
+                                  NL80211_WPA_VERSION_2));
+}
+
+static bool nl80211_valid_akm_suite(u32 akm)
+{
+        return akm == WLAN_AKM_SUITE_8021X ||
+                akm == WLAN_AKM_SUITE_PSK;
+}
+
+static bool nl80211_valid_cipher_suite(u32 cipher)
+{
+        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;
 }
 
+
 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
 {
         struct cfg80211_registered_device *drv;
@@ -3086,6 +3119,68 @@ unlock_rtnl:
         return err;
 }
 
+static int nl80211_crypto_settings(struct genl_info *info,
+                                   struct cfg80211_crypto_settings *settings)
+{
+        settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
+
+        if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
+                void *data;
+                int len, i;
+
+                data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
+                len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
+                settings->n_ciphers_pairwise = len / sizeof(u32);
+
+                if (len % sizeof(u32))
+                        return -EINVAL;
+
+                if (settings->n_ciphers_pairwise > NL80211_MAX_NR_CIPHER_SUITES)
+                        return -EINVAL;
+
+                memcpy(settings->ciphers_pairwise, data, len);
+
+                for (i = 0; i < settings->n_ciphers_pairwise; i++)
+                        if (!nl80211_valid_cipher_suite(
+                                        settings->ciphers_pairwise[i]))
+                                return -EINVAL;
+        }
+
+        if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
+                settings->cipher_group =
+                        nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
+                if (!nl80211_valid_cipher_suite(settings->cipher_group))
+                        return -EINVAL;
+        }
+
+        if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
+                settings->wpa_versions =
+                        nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
+                if (!nl80211_valid_wpa_versions(settings->wpa_versions))
+                        return -EINVAL;
+        }
+
+        if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
+                void *data;
+                int len, i;
+
+                data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
+                len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
+                settings->n_akm_suites = len / sizeof(u32);
+
+                if (len % sizeof(u32))
+                        return -EINVAL;
+
+                memcpy(settings->akm_suites, data, len);
+
+                for (i = 0; i < settings->n_ciphers_pairwise; i++)
+                        if (!nl80211_valid_akm_suite(settings->akm_suites[i]))
+                                return -EINVAL;
+        }
+
+        return 0;
+}
+
 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
 {
         struct cfg80211_registered_device *drv;
@@ -3156,9 +3251,9 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
                 }
         }
 
-        req.control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
-
-        err = drv->ops->assoc(&drv->wiphy, dev, &req);
+        err = nl80211_crypto_settings(info, &req.crypto);
+        if (!err)
+                err = drv->ops->assoc(&drv->wiphy, dev, &req);
 
 out:
         cfg80211_put_dev(drv);
@@ -3538,6 +3633,130 @@ void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp)
 EXPORT_SYMBOL(cfg80211_testmode_event);
 #endif
 
+static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
+{
+        struct cfg80211_registered_device *drv;
+        struct net_device *dev;
+        struct cfg80211_connect_params connect;
+        struct wiphy *wiphy;
+        int err;
+
+        memset(&connect, 0, sizeof(connect));
+
+        if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
+                return -EINVAL;
+
+        if (!info->attrs[NL80211_ATTR_SSID] ||
+            !nla_len(info->attrs[NL80211_ATTR_SSID]))
+                return -EINVAL;
+
+        if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
+                connect.auth_type =
+                        nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
+                if (!nl80211_valid_auth_type(connect.auth_type))
+                        return -EINVAL;
+        } else
+                connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
+
+        connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
+
+        err = nl80211_crypto_settings(info, &connect.crypto);
+        if (err)
+                return err;
+        rtnl_lock();
+
+        err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+        if (err)
+                goto unlock_rtnl;
+
+        if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
+                err = -EOPNOTSUPP;
+                goto out;
+        }
+
+        if (!netif_running(dev)) {
+                err = -ENETDOWN;
+                goto out;
+        }
+
+        wiphy = &drv->wiphy;
+
+        connect.bssid = NULL;
+        connect.channel = NULL;
+        connect.auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
+
+        if (info->attrs[NL80211_ATTR_MAC])
+                connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
+        connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
+        connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
+
+        if (info->attrs[NL80211_ATTR_IE]) {
+                connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
+                connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+        }
+
+        if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
+                connect.channel =
+                        ieee80211_get_channel(wiphy,
+                            nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
+                if (!connect.channel ||
+                    connect.channel->flags & IEEE80211_CHAN_DISABLED) {
+                        err = -EINVAL;
+                        goto out;
+                }
+        }
+
+        err = cfg80211_connect(drv, dev, &connect);
+
+out:
+        cfg80211_put_dev(drv);
+        dev_put(dev);
+unlock_rtnl:
+        rtnl_unlock();
+        return err;
+}
+
+static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
+{
+        struct cfg80211_registered_device *drv;
+        struct net_device *dev;
+        int err;
+        u16 reason;
+
+        if (!info->attrs[NL80211_ATTR_REASON_CODE])
+                reason = WLAN_REASON_DEAUTH_LEAVING;
+        else
+                reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
+
+        if (reason == 0)
+                return -EINVAL;
+
+        rtnl_lock();
+
+        err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+        if (err)
+                goto unlock_rtnl;
+
+        if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
+                err = -EOPNOTSUPP;
+                goto out;
+        }
+
+        if (!netif_running(dev)) {
+                err = -ENETDOWN;
+                goto out;
+        }
+
+        err = cfg80211_disconnect(drv, dev, reason);
+
+out:
+        cfg80211_put_dev(drv);
+        dev_put(dev);
+unlock_rtnl:
+        rtnl_unlock();
+        return err;
+}
+
 static struct genl_ops nl80211_ops[] = {
         {
                 .cmd = NL80211_CMD_GET_WIPHY,
@@ -3759,6 +3978,18 @@ static struct genl_ops nl80211_ops[] = {
                 .flags = GENL_ADMIN_PERM,
         },
 #endif
+        {
+                .cmd = NL80211_CMD_CONNECT,
+                .doit = nl80211_connect,
+                .policy = nl80211_policy,
+                .flags = GENL_ADMIN_PERM,
+        },
+        {
+                .cmd = NL80211_CMD_DISCONNECT,
+                .doit = nl80211_disconnect,
+                .policy = nl80211_policy,
+                .flags = GENL_ADMIN_PERM,
+        },
 };
 static struct genl_multicast_group nl80211_mlme_mcgrp = {
         .name = "mlme",
@@ -4077,6 +4308,129 @@ void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
                                   addr, gfp);
 }
 
+void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
+                                 struct net_device *netdev, const u8 *bssid,
+                                 const u8 *req_ie, size_t req_ie_len,
+                                 const u8 *resp_ie, size_t resp_ie_len,
+                                 u16 status, gfp_t gfp)
+{
+        struct sk_buff *msg;
+        void *hdr;
+
+        msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+        if (!msg)
+                return;
+
+        hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
+        if (!hdr) {
+                nlmsg_free(msg);
+                return;
+        }
+
+        NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+        NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+        if (bssid)
+                NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
+        NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status);
+        if (req_ie)
+                NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie);
+        if (resp_ie)
+                NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie);
+
+        if (genlmsg_end(msg, hdr) < 0) {
+                nlmsg_free(msg);
+                return;
+        }
+
+        genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+        return;
+
+ nla_put_failure:
+        genlmsg_cancel(msg, hdr);
+        nlmsg_free(msg);
+
+}
+
+void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
+                         struct net_device *netdev, const u8 *bssid,
+                         const u8 *req_ie, size_t req_ie_len,
+                         const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp)
+{
+        struct sk_buff *msg;
+        void *hdr;
+
+        msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+        if (!msg)
+                return;
+
+        hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
+        if (!hdr) {
+                nlmsg_free(msg);
+                return;
+        }
+
+        NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+        NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+        NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
+        if (req_ie)
+                NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie);
+        if (resp_ie)
+                NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie);
+
+        if (genlmsg_end(msg, hdr) < 0) {
+                nlmsg_free(msg);
+                return;
+        }
+
+        genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+        return;
+
+ nla_put_failure:
+        genlmsg_cancel(msg, hdr);
+        nlmsg_free(msg);
+
+}
+
+void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
+                               struct net_device *netdev, u16 reason,
+                               u8 *ie, size_t ie_len, bool from_ap, gfp_t gfp)
+{
+        struct sk_buff *msg;
+        void *hdr;
+
+        msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+        if (!msg)
+                return;
+
+        hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
+        if (!hdr) {
+                nlmsg_free(msg);
+                return;
+        }
+
+        NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+        NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+        if (from_ap && reason)
+                NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason);
+        if (from_ap)
+                NLA_PUT_FLAG(msg, NL80211_ATTR_DISCONNECTED_BY_AP);
+        if (ie)
+                NLA_PUT(msg, NL80211_ATTR_IE, ie_len, ie);
+
+        if (genlmsg_end(msg, hdr) < 0) {
+                nlmsg_free(msg);
+                return;
+        }
+
+        genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+        return;
+
+ nla_put_failure:
+        genlmsg_cancel(msg, hdr);
+        nlmsg_free(msg);
+
+}
+
 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
                              struct net_device *netdev, const u8 *bssid,
                              gfp_t gfp)
diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h
index 662c216e8d4f..cf3708b48c29 100644
--- a/net/wireless/nl80211.h
+++ b/net/wireless/nl80211.h
@@ -31,6 +31,19 @@ void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
                                 struct net_device *netdev,
                                 const u8 *addr, gfp_t gfp);
+void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
+                                 struct net_device *netdev, const u8 *bssid,
+                                 const u8 *req_ie, size_t req_ie_len,
+                                 const u8 *resp_ie, size_t resp_ie_len,
+                                 u16 status, gfp_t gfp);
+void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
+                         struct net_device *netdev, const u8 *bssid,
+                         const u8 *req_ie, size_t req_ie_len,
+                         const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp);
+void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
+                               struct net_device *netdev, u16 reason,
+                               u8 *ie, size_t ie_len, bool from_ap, gfp_t gfp);
+
 void
 nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
                             struct net_device *netdev, const u8 *addr,
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
new file mode 100644
index 000000000000..fc117031d0bb
--- /dev/null
+++ b/net/wireless/sme.c
@@ -0,0 +1,224 @@
+/*
+ * SME code for cfg80211's connect emulation.
+ *
+ * Copyright 2009       Johannes Berg <johannes@sipsolutions.net>
+ * Copyright (C) 2009   Intel Corporation. All rights reserved.
+ */
+
+#include <linux/etherdevice.h>
+#include <linux/if_arp.h>
+#include <linux/workqueue.h>
+#include <net/cfg80211.h>
+#include <net/rtnetlink.h>
+#include "nl80211.h"
+
+
+void cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
+                             const u8 *req_ie, size_t req_ie_len,
+                             const u8 *resp_ie, size_t resp_ie_len,
+                             u16 status, gfp_t gfp)
+{
+        struct wireless_dev *wdev = dev->ieee80211_ptr;
+        struct cfg80211_bss *bss;
+#ifdef CONFIG_WIRELESS_EXT
+        union iwreq_data wrqu;
+#endif
+
+        if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
+                return;
+
+        if (WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTING))
+                return;
+
+        if (wdev->current_bss) {
+                cfg80211_unhold_bss(wdev->current_bss);
+                cfg80211_put_bss(wdev->current_bss);
+                wdev->current_bss = NULL;
+        }
+
+        if (status == WLAN_STATUS_SUCCESS) {
+                bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid,
+                                       wdev->ssid, wdev->ssid_len,
+                                       WLAN_CAPABILITY_ESS,
+                                       WLAN_CAPABILITY_ESS);
+
+                if (WARN_ON(!bss))
+                        return;
+
+                cfg80211_hold_bss(bss);
+                wdev->current_bss = bss;
+
+                wdev->sme_state = CFG80211_SME_CONNECTED;
+        } else {
+                wdev->sme_state = CFG80211_SME_IDLE;
+        }
+
+        nl80211_send_connect_result(wiphy_to_dev(wdev->wiphy), dev, bssid,
+                                    req_ie, req_ie_len, resp_ie, resp_ie_len,
+                                    status, gfp);
+
+#ifdef CONFIG_WIRELESS_EXT
+        if (req_ie && status == WLAN_STATUS_SUCCESS) {
+                memset(&wrqu, 0, sizeof(wrqu));
+                wrqu.data.length = req_ie_len;
+                wireless_send_event(dev, IWEVASSOCRESPIE, &wrqu, req_ie);
+        }
+
+        if (resp_ie && status == WLAN_STATUS_SUCCESS) {
+                memset(&wrqu, 0, sizeof(wrqu));
+                wrqu.data.length = resp_ie_len;
+                wireless_send_event(dev, IWEVASSOCRESPIE, &wrqu, resp_ie);
+        }
+
+        memset(&wrqu, 0, sizeof(wrqu));
+        wrqu.ap_addr.sa_family = ARPHRD_ETHER;
+        if (bssid)
+                memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN);
+        wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
+#endif
+}
+EXPORT_SYMBOL(cfg80211_connect_result);
+
+void cfg80211_roamed(struct net_device *dev, const u8 *bssid,
+                     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_bss *bss;
+#ifdef CONFIG_WIRELESS_EXT
+        union iwreq_data wrqu;
+#endif
+
+        if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
+                return;
+
+        if (WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTED))
+                return;
+
+        /* internal error -- how did we get to CONNECTED w/o BSS? */
+        if (WARN_ON(!wdev->current_bss)) {
+                return;
+        }
+
+        cfg80211_unhold_bss(wdev->current_bss);
+        cfg80211_put_bss(wdev->current_bss);
+        wdev->current_bss = NULL;
+
+        bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid,
+                               wdev->ssid, wdev->ssid_len,
+                               WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
+
+        if (WARN_ON(!bss))
+                return;
+
+        cfg80211_hold_bss(bss);
+        wdev->current_bss = bss;
+
+        nl80211_send_roamed(wiphy_to_dev(wdev->wiphy), dev, bssid,
+                            req_ie, req_ie_len, resp_ie, resp_ie_len, gfp);
+
+#ifdef CONFIG_WIRELESS_EXT
+        if (req_ie) {
+                memset(&wrqu, 0, sizeof(wrqu));
+                wrqu.data.length = req_ie_len;
+                wireless_send_event(dev, IWEVASSOCRESPIE, &wrqu, req_ie);
+        }
+
+        if (resp_ie) {
+                memset(&wrqu, 0, sizeof(wrqu));
+                wrqu.data.length = resp_ie_len;
+                wireless_send_event(dev, IWEVASSOCRESPIE, &wrqu, resp_ie);
+        }
+
+        memset(&wrqu, 0, sizeof(wrqu));
+        wrqu.ap_addr.sa_family = ARPHRD_ETHER;
+        memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN);
+        wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
+#endif
+}
+EXPORT_SYMBOL(cfg80211_roamed);
+
+static void __cfg80211_disconnected(struct net_device *dev, gfp_t gfp,
+                                    u8 *ie, size_t ie_len, u16 reason,
+                                    bool from_ap)
+{
+        struct wireless_dev *wdev = dev->ieee80211_ptr;
+#ifdef CONFIG_WIRELESS_EXT
+        union iwreq_data wrqu;
+#endif
+
+        if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
+                return;
+
+        if (WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTED))
+                return;
+
+        if (wdev->current_bss) {
+                cfg80211_unhold_bss(wdev->current_bss);
+                cfg80211_put_bss(wdev->current_bss);
+        }
+
+        wdev->current_bss = NULL;
+        wdev->sme_state = CFG80211_SME_IDLE;
+
+        nl80211_send_disconnected(wiphy_to_dev(wdev->wiphy), dev,
+                                  reason, ie, ie_len, from_ap, gfp);
+
+#ifdef CONFIG_WIRELESS_EXT
+        memset(&wrqu, 0, sizeof(wrqu));
+        wrqu.ap_addr.sa_family = ARPHRD_ETHER;
+        wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
+#endif
+}
+
+void cfg80211_disconnected(struct net_device *dev, u16 reason,
+                           u8 *ie, size_t ie_len, gfp_t gfp)
+{
+        __cfg80211_disconnected(dev, reason, ie, ie_len, true, gfp);
+}
+EXPORT_SYMBOL(cfg80211_disconnected);
+
+int cfg80211_connect(struct cfg80211_registered_device *rdev,
+                     struct net_device *dev,
+                     struct cfg80211_connect_params *connect)
+{
+        int err;
+        struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+        if (wdev->sme_state != CFG80211_SME_IDLE)
+                return -EALREADY;
+
+        if (!rdev->ops->connect) {
+                return -EOPNOTSUPP;
+        } else {
+                wdev->sme_state = CFG80211_SME_CONNECTING;
+                err = rdev->ops->connect(&rdev->wiphy, dev, connect);
+                if (err) {
+                        wdev->sme_state = CFG80211_SME_IDLE;
+                        return err;
+                }
+        }
+
+        memcpy(wdev->ssid, connect->ssid, connect->ssid_len);
+        wdev->ssid_len = connect->ssid_len;
+
+        return 0;
+}
+
+int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
+                        struct net_device *dev, u16 reason)
+{
+        int err;
+
+        if (!rdev->ops->disconnect) {
+                return -EOPNOTSUPP;
+        } else {
+                err = rdev->ops->disconnect(&rdev->wiphy, dev, reason);
+                if (err)
+                        return err;
+        }
+
+        __cfg80211_disconnected(dev, 0, NULL, 0, false, GFP_KERNEL);
+
+        return 0;
+}