rndis_wlan: add cfg80211 connect, disconnect, join_ibss and leave_ibss
Add cfg80211 connect functions for station and ad-hoc modes and
convert wext to use theim.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index c5a674d..c2af5be 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -358,13 +358,6 @@
__le32 offset_resp_ies;
} __attribute__((packed));
-/* these have to match what is in wpa_supplicant */
-enum wpa_alg { WPA_ALG_NONE, WPA_ALG_WEP, WPA_ALG_TKIP, WPA_ALG_CCMP };
-enum wpa_cipher { CIPHER_NONE, CIPHER_WEP40, CIPHER_TKIP, CIPHER_CCMP,
- CIPHER_WEP104 };
-enum wpa_key_mgmt { KEY_MGMT_802_1X, KEY_MGMT_PSK, KEY_MGMT_NONE,
- KEY_MGMT_802_1X_NO_WPA, KEY_MGMT_WPA_NONE };
-
/*
* private data
*/
@@ -379,6 +372,15 @@
#define WORK_LINK_DOWN (1<<1)
#define WORK_SET_MULTICAST_LIST (1<<2)
+#define RNDIS_WLAN_ALG_NONE 0
+#define RNDIS_WLAN_ALG_WEP (1<<0)
+#define RNDIS_WLAN_ALG_TKIP (1<<1)
+#define RNDIS_WLAN_ALG_CCMP (1<<2)
+
+#define RNDIS_WLAN_KEY_MGMT_NONE 0
+#define RNDIS_WLAN_KEY_MGMT_802_1X (1<<0)
+#define RNDIS_WLAN_KEY_MGMT_PSK (1<<1)
+
#define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set))
static const struct ieee80211_channel rndis_channels[] = {
@@ -469,15 +471,16 @@
/* hardware state */
int radio_on;
int infra_mode;
+ bool connected;
struct ndis_80211_ssid essid;
__le32 current_command_oid;
/* encryption stuff */
int encr_tx_key_index;
struct rndis_wlan_encr_key encr_keys[4];
+ enum nl80211_auth_type wpa_auth_type;
int wpa_version;
int wpa_keymgmt;
- int wpa_authalg;
int wpa_ie_len;
u8 *wpa_ie;
int wpa_cipher_pair;
@@ -503,12 +506,27 @@
int dbm);
static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm);
+static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
+ struct cfg80211_connect_params *sme);
+
+static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
+ u16 reason_code);
+
+static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
+ struct cfg80211_ibss_params *params);
+
+static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev);
+
static struct cfg80211_ops rndis_config_ops = {
.change_virtual_intf = rndis_change_virtual_intf,
.scan = rndis_scan,
.set_wiphy_params = rndis_set_wiphy_params,
.set_tx_power = rndis_set_tx_power,
.get_tx_power = rndis_get_tx_power,
+ .connect = rndis_connect,
+ .disconnect = rndis_disconnect,
+ .join_ibss = rndis_join_ibss,
+ .leave_ibss = rndis_leave_ibss,
};
static void *rndis_wiphy_privid = &rndis_wiphy_privid;
@@ -545,6 +563,34 @@
}
+static int rndis_cipher_to_alg(u32 cipher)
+{
+ switch (cipher) {
+ default:
+ return RNDIS_WLAN_ALG_NONE;
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
+ return RNDIS_WLAN_ALG_WEP;
+ case WLAN_CIPHER_SUITE_TKIP:
+ return RNDIS_WLAN_ALG_TKIP;
+ case WLAN_CIPHER_SUITE_CCMP:
+ return RNDIS_WLAN_ALG_CCMP;
+ }
+}
+
+static int rndis_akm_suite_to_key_mgmt(u32 akm_suite)
+{
+ switch (akm_suite) {
+ default:
+ return RNDIS_WLAN_KEY_MGMT_NONE;
+ case WLAN_AKM_SUITE_8021X:
+ return RNDIS_WLAN_KEY_MGMT_802_1X;
+ case WLAN_AKM_SUITE_PSK:
+ return RNDIS_WLAN_KEY_MGMT_PSK;
+ }
+}
+
+
#ifdef DEBUG
static const char *oid_to_string(__le32 oid)
{
@@ -925,35 +971,16 @@
static void restore_keys(struct usbnet *usbdev);
static int rndis_check_bssid_list(struct usbnet *usbdev);
-static int get_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
-{
- int ret, len;
-
- len = sizeof(*ssid);
- ret = rndis_query_oid(usbdev, OID_802_11_SSID, ssid, &len);
-
- if (ret != 0)
- ssid->length = 0;
-
-#ifdef DEBUG
- {
- unsigned char tmp[NDIS_802_11_LENGTH_SSID + 1];
-
- memcpy(tmp, ssid->essid, le32_to_cpu(ssid->length));
- tmp[le32_to_cpu(ssid->length)] = 0;
- devdbg(usbdev, "get_essid: '%s', ret: %d", tmp, ret);
- }
-#endif
- return ret;
-}
-
-
static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
{
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
int ret;
ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid));
+ if (ret < 0) {
+ devwarn(usbdev, "setting SSID failed (%08X)", ret);
+ return ret;
+ }
if (ret == 0) {
memcpy(&priv->essid, ssid, sizeof(priv->essid));
priv->radio_on = 1;
@@ -963,6 +990,25 @@
return ret;
}
+static int set_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
+{
+ int ret;
+
+ ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
+ if (ret < 0) {
+ devwarn(usbdev, "setting BSSID[%pM] failed (%08X)", bssid, ret);
+ return ret;
+ }
+
+ return ret;
+}
+
+static int clear_bssid(struct usbnet *usbdev)
+{
+ u8 broadcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+
+ return set_bssid(usbdev, broadcast_mac);
+}
static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
{
@@ -984,11 +1030,15 @@
info, &len);
}
-static int is_associated(struct usbnet *usbdev)
+static bool is_associated(struct usbnet *usbdev)
{
+ struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
u8 bssid[ETH_ALEN];
int ret;
+ if (!priv->radio_on)
+ return false;
+
ret = get_bssid(usbdev, bssid);
return (ret == 0 && !is_zero_ether_addr(bssid));
@@ -1032,34 +1082,34 @@
}
-static int set_auth_mode(struct usbnet *usbdev, int wpa_version, int authalg)
+static int set_auth_mode(struct usbnet *usbdev, u32 wpa_version,
+ enum nl80211_auth_type auth_type, int keymgmt)
{
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
__le32 tmp;
int auth_mode, ret;
devdbg(usbdev, "set_auth_mode: wpa_version=0x%x authalg=0x%x "
- "keymgmt=0x%x", wpa_version, authalg, priv->wpa_keymgmt);
+ "keymgmt=0x%x", wpa_version, auth_type, keymgmt);
- if (wpa_version & IW_AUTH_WPA_VERSION_WPA2) {
- if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
+ if (wpa_version & NL80211_WPA_VERSION_2) {
+ if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
auth_mode = NDIS_80211_AUTH_WPA2;
else
auth_mode = NDIS_80211_AUTH_WPA2_PSK;
- } else if (wpa_version & IW_AUTH_WPA_VERSION_WPA) {
- if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
+ } else if (wpa_version & NL80211_WPA_VERSION_1) {
+ if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
auth_mode = NDIS_80211_AUTH_WPA;
- else if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_PSK)
+ else if (keymgmt & RNDIS_WLAN_KEY_MGMT_PSK)
auth_mode = NDIS_80211_AUTH_WPA_PSK;
else
auth_mode = NDIS_80211_AUTH_WPA_NONE;
- } else if (authalg & IW_AUTH_ALG_SHARED_KEY) {
- if (authalg & IW_AUTH_ALG_OPEN_SYSTEM)
- auth_mode = NDIS_80211_AUTH_AUTO_SWITCH;
- else
- auth_mode = NDIS_80211_AUTH_SHARED;
- } else
+ } else if (auth_type == NL80211_AUTHTYPE_SHARED_KEY)
+ auth_mode = NDIS_80211_AUTH_SHARED;
+ else if (auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM)
auth_mode = NDIS_80211_AUTH_OPEN;
+ else
+ return -ENOTSUPP;
tmp = cpu_to_le32(auth_mode);
ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp,
@@ -1070,7 +1120,9 @@
}
priv->wpa_version = wpa_version;
- priv->wpa_authalg = authalg;
+ priv->wpa_auth_type = auth_type;
+ priv->wpa_keymgmt = keymgmt;
+
return 0;
}
@@ -1082,8 +1134,8 @@
devdbg(usbdev, "set_priv_filter: wpa_version=0x%x", priv->wpa_version);
- if (priv->wpa_version & IW_AUTH_WPA_VERSION_WPA2 ||
- priv->wpa_version & IW_AUTH_WPA_VERSION_WPA)
+ if (priv->wpa_version & NL80211_WPA_VERSION_2 ||
+ priv->wpa_version & NL80211_WPA_VERSION_1)
tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP);
else
tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL);
@@ -1100,19 +1152,17 @@
int encr_mode, ret;
devdbg(usbdev, "set_encr_mode: cipher_pair=0x%x cipher_group=0x%x",
- pairwise,
- groupwise);
+ pairwise, groupwise);
- if (pairwise & IW_AUTH_CIPHER_CCMP)
+ if (pairwise & RNDIS_WLAN_ALG_CCMP)
encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
- else if (pairwise & IW_AUTH_CIPHER_TKIP)
+ else if (pairwise & RNDIS_WLAN_ALG_TKIP)
encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
- else if (pairwise &
- (IW_AUTH_CIPHER_WEP40 | IW_AUTH_CIPHER_WEP104))
+ else if (pairwise & RNDIS_WLAN_ALG_WEP)
encr_mode = NDIS_80211_ENCR_WEP_ENABLED;
- else if (groupwise & IW_AUTH_CIPHER_CCMP)
+ else if (groupwise & RNDIS_WLAN_ALG_CCMP)
encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
- else if (groupwise & IW_AUTH_CIPHER_TKIP)
+ else if (groupwise & RNDIS_WLAN_ALG_TKIP)
encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
else
encr_mode = NDIS_80211_ENCR_DISABLED;
@@ -1131,18 +1181,6 @@
}
-static int set_assoc_params(struct usbnet *usbdev)
-{
- struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
-
- set_auth_mode(usbdev, priv->wpa_version, priv->wpa_authalg);
- set_priv_filter(usbdev);
- set_encr_mode(usbdev, priv->wpa_cipher_pair, priv->wpa_cipher_group);
-
- return 0;
-}
-
-
static int set_infra_mode(struct usbnet *usbdev, int mode)
{
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
@@ -1201,16 +1239,11 @@
static void set_default_iw_params(struct usbnet *usbdev)
{
- struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
-
- priv->wpa_keymgmt = 0;
- priv->wpa_version = 0;
-
set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
- set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
- IW_AUTH_ALG_OPEN_SYSTEM);
+ set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM,
+ RNDIS_WLAN_KEY_MGMT_NONE);
set_priv_filter(usbdev);
- set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
+ set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
}
@@ -1224,8 +1257,40 @@
}
+static int set_channel(struct usbnet *usbdev, int channel)
+{
+ struct ndis_80211_conf config;
+ unsigned int dsconfig;
+ int len, ret;
+
+ devdbg(usbdev, "set_channel(%d)", channel);
+
+ /* this OID is valid only when not associated */
+ if (is_associated(usbdev))
+ return 0;
+
+ dsconfig = ieee80211_dsss_chan_to_freq(channel) * 1000;
+
+ len = sizeof(config);
+ ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
+ if (ret < 0) {
+ devdbg(usbdev, "set_channel: querying configuration failed");
+ return ret;
+ }
+
+ config.ds_config = cpu_to_le32(dsconfig);
+ ret = rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config,
+ sizeof(config));
+
+ devdbg(usbdev, "set_channel: %d -> %d", channel, ret);
+
+ return ret;
+}
+
+
/* index must be 0 - N, as per NDIS */
-static int add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index)
+static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len,
+ int index)
{
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
struct ndis_80211_wep_key ndis_key;
@@ -1248,8 +1313,8 @@
if (index == priv->encr_tx_key_index) {
ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY;
- ret = set_encr_mode(usbdev, IW_AUTH_CIPHER_WEP104,
- IW_AUTH_CIPHER_NONE);
+ ret = set_encr_mode(usbdev, RNDIS_WLAN_ALG_WEP,
+ RNDIS_WLAN_ALG_NONE);
if (ret)
devwarn(usbdev, "encryption couldn't be enabled (%08X)",
ret);
@@ -1458,7 +1523,7 @@
/* if it is transmit key, disable encryption */
if (index == priv->encr_tx_key_index)
- set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
+ set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
return 0;
}
@@ -1765,6 +1830,243 @@
priv->scan_request = NULL;
}
+static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
+ struct cfg80211_connect_params *sme)
+{
+ struct rndis_wlan_private *priv = wiphy_priv(wiphy);
+ struct usbnet *usbdev = priv->usbdev;
+ struct ieee80211_channel *channel = sme->channel;
+ struct ndis_80211_ssid ssid;
+ int pairwise = RNDIS_WLAN_ALG_NONE;
+ int groupwise = RNDIS_WLAN_ALG_NONE;
+ int keymgmt = RNDIS_WLAN_KEY_MGMT_NONE;
+ int length, i, ret, chan = -1;
+
+ if (channel)
+ chan = ieee80211_frequency_to_channel(channel->center_freq);
+
+ groupwise = rndis_cipher_to_alg(sme->crypto.cipher_group);
+ for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++)
+ pairwise |=
+ rndis_cipher_to_alg(sme->crypto.ciphers_pairwise[i]);
+
+ if (sme->crypto.n_ciphers_pairwise > 0 &&
+ pairwise == RNDIS_WLAN_ALG_NONE) {
+ deverr(usbdev, "Unsupported pairwise cipher");
+ return -ENOTSUPP;
+ }
+
+ for (i = 0; i < sme->crypto.n_akm_suites; i++)
+ keymgmt |=
+ rndis_akm_suite_to_key_mgmt(sme->crypto.akm_suites[i]);
+
+ if (sme->crypto.n_akm_suites > 0 &&
+ keymgmt == RNDIS_WLAN_KEY_MGMT_NONE) {
+ deverr(usbdev, "Invalid keymgmt");
+ return -ENOTSUPP;
+ }
+
+ devdbg(usbdev, "cfg80211.connect('%.32s':[%pM]:%d:[%d,0x%x:0x%x]:[0x%x:"
+ "0x%x]:0x%x)", sme->ssid, sme->bssid, chan,
+ sme->privacy, sme->crypto.wpa_versions, sme->auth_type,
+ groupwise, pairwise, keymgmt);
+
+ if (is_associated(usbdev))
+ disassociate(usbdev, false);
+
+ ret = set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
+ if (ret < 0) {
+ devdbg(usbdev, "connect: set_infra_mode failed, %d", ret);
+ goto err_turn_radio_on;
+ }
+
+ ret = set_auth_mode(usbdev, sme->crypto.wpa_versions, sme->auth_type,
+ keymgmt);
+ if (ret < 0) {
+ devdbg(usbdev, "connect: set_auth_mode failed, %d", ret);
+ goto err_turn_radio_on;
+ }
+
+ set_priv_filter(usbdev);
+
+ ret = set_encr_mode(usbdev, pairwise, groupwise);
+ if (ret < 0) {
+ devdbg(usbdev, "connect: set_encr_mode failed, %d", ret);
+ goto err_turn_radio_on;
+ }
+
+ if (channel) {
+ ret = set_channel(usbdev, chan);
+ if (ret < 0) {
+ devdbg(usbdev, "connect: set_channel failed, %d", ret);
+ goto err_turn_radio_on;
+ }
+ }
+
+ if (sme->key && ((groupwise | pairwise) & RNDIS_WLAN_ALG_WEP)) {
+ priv->encr_tx_key_index = sme->key_idx;
+ ret = add_wep_key(usbdev, sme->key, sme->key_len, sme->key_idx);
+ if (ret < 0) {
+ devdbg(usbdev, "connect: add_wep_key failed, %d "
+ "(%d, %d)", ret, sme->key_len, sme->key_idx);
+ goto err_turn_radio_on;
+ }
+ }
+
+ if (sme->bssid && !is_zero_ether_addr(sme->bssid) &&
+ !is_broadcast_ether_addr(sme->bssid)) {
+ ret = set_bssid(usbdev, sme->bssid);
+ if (ret < 0) {
+ devdbg(usbdev, "connect: set_bssid failed, %d", ret);
+ goto err_turn_radio_on;
+ }
+ } else
+ clear_bssid(usbdev);
+
+ length = sme->ssid_len;
+ if (length > NDIS_802_11_LENGTH_SSID)
+ length = NDIS_802_11_LENGTH_SSID;
+
+ memset(&ssid, 0, sizeof(ssid));
+ ssid.length = cpu_to_le32(length);
+ memcpy(ssid.essid, sme->ssid, length);
+
+ /* Pause and purge rx queue, so we don't pass packets before
+ * 'media connect'-indication.
+ */
+ usbnet_pause_rx(usbdev);
+ usbnet_purge_paused_rxq(usbdev);
+
+ ret = set_essid(usbdev, &ssid);
+ if (ret < 0)
+ devdbg(usbdev, "connect: set_essid failed, %d", ret);
+ return ret;
+
+err_turn_radio_on:
+ disassociate(usbdev, 1);
+
+ return ret;
+}
+
+static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
+ u16 reason_code)
+{
+ struct rndis_wlan_private *priv = wiphy_priv(wiphy);
+ struct usbnet *usbdev = priv->usbdev;
+
+ devdbg(usbdev, "cfg80211.disconnect(%d)", reason_code);
+
+ priv->connected = false;
+
+ return deauthenticate(usbdev);
+}
+
+static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
+ struct cfg80211_ibss_params *params)
+{
+ struct rndis_wlan_private *priv = wiphy_priv(wiphy);
+ struct usbnet *usbdev = priv->usbdev;
+ struct ieee80211_channel *channel = params->channel;
+ struct ndis_80211_ssid ssid;
+ enum nl80211_auth_type auth_type;
+ int ret, alg, length, chan = -1;
+
+ if (channel)
+ chan = ieee80211_frequency_to_channel(channel->center_freq);
+
+ /* TODO: How to handle ad-hoc encryption?
+ * connect() has *key, join_ibss() doesn't. RNDIS requires key to be
+ * pre-shared for encryption (open/shared/wpa), is key set before
+ * join_ibss? Which auth_type to use (not in params)? What about WPA?
+ */
+ if (params->privacy) {
+ auth_type = NL80211_AUTHTYPE_SHARED_KEY;
+ alg = RNDIS_WLAN_ALG_WEP;
+ } else {
+ auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
+ alg = RNDIS_WLAN_ALG_NONE;
+ }
+
+ devdbg(usbdev, "cfg80211.join_ibss('%.32s':[%pM]:%d:%d)", params->ssid,
+ params->bssid, chan, params->privacy);
+
+ if (is_associated(usbdev))
+ disassociate(usbdev, false);
+
+ ret = set_infra_mode(usbdev, NDIS_80211_INFRA_ADHOC);
+ if (ret < 0) {
+ devdbg(usbdev, "join_ibss: set_infra_mode failed, %d", ret);
+ goto err_turn_radio_on;
+ }
+
+ ret = set_auth_mode(usbdev, 0, auth_type, RNDIS_WLAN_KEY_MGMT_NONE);
+ if (ret < 0) {
+ devdbg(usbdev, "join_ibss: set_auth_mode failed, %d", ret);
+ goto err_turn_radio_on;
+ }
+
+ set_priv_filter(usbdev);
+
+ ret = set_encr_mode(usbdev, alg, RNDIS_WLAN_ALG_NONE);
+ if (ret < 0) {
+ devdbg(usbdev, "join_ibss: set_encr_mode failed, %d", ret);
+ goto err_turn_radio_on;
+ }
+
+ if (channel) {
+ ret = set_channel(usbdev, chan);
+ if (ret < 0) {
+ devdbg(usbdev, "join_ibss: set_channel failed, %d",
+ ret);
+ goto err_turn_radio_on;
+ }
+ }
+
+ if (params->bssid && !is_zero_ether_addr(params->bssid) &&
+ !is_broadcast_ether_addr(params->bssid)) {
+ ret = set_bssid(usbdev, params->bssid);
+ if (ret < 0) {
+ devdbg(usbdev, "join_ibss: set_bssid failed, %d", ret);
+ goto err_turn_radio_on;
+ }
+ } else
+ clear_bssid(usbdev);
+
+ length = params->ssid_len;
+ if (length > NDIS_802_11_LENGTH_SSID)
+ length = NDIS_802_11_LENGTH_SSID;
+
+ memset(&ssid, 0, sizeof(ssid));
+ ssid.length = cpu_to_le32(length);
+ memcpy(ssid.essid, params->ssid, length);
+
+ /* Don't need to pause rx queue for ad-hoc. */
+ usbnet_purge_paused_rxq(usbdev);
+ usbnet_resume_rx(usbdev);
+
+ ret = set_essid(usbdev, &ssid);
+ if (ret < 0)
+ devdbg(usbdev, "join_ibss: set_essid failed, %d", ret);
+ return ret;
+
+err_turn_radio_on:
+ disassociate(usbdev, 1);
+
+ return ret;
+}
+
+static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
+{
+ struct rndis_wlan_private *priv = wiphy_priv(wiphy);
+ struct usbnet *usbdev = priv->usbdev;
+
+ devdbg(usbdev, "cfg80211.leave_ibss()");
+
+ priv->connected = false;
+
+ return deauthenticate(usbdev);
+}
+
/*
* wireless extension handlers
@@ -1777,7 +2079,10 @@
return 0;
}
-
+#if 0
+/* Commented code out instead of removing to have more sane patch for review.
+ * Will be removed later in the set.
+ */
static int rndis_iw_set_essid(struct net_device *dev,
struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
{
@@ -1990,6 +2295,7 @@
}
return 0;
}
+#endif
static int rndis_iw_set_encode(struct net_device *dev,
@@ -2024,11 +2330,11 @@
/* global encryption state (for all keys) */
if (wrqu->data.flags & IW_ENCODE_OPEN)
- ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
- IW_AUTH_ALG_OPEN_SYSTEM);
+ ret = set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM,
+ RNDIS_WLAN_KEY_MGMT_NONE);
else /*if (wrqu->data.flags & IW_ENCODE_RESTRICTED)*/
- ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
- IW_AUTH_ALG_SHARED_KEY);
+ ret = set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_SHARED_KEY,
+ RNDIS_WLAN_KEY_MGMT_NONE);
if (ret != 0)
return ret;
@@ -2077,7 +2383,7 @@
return -EINVAL;
}
- if (ext->alg == WPA_ALG_WEP) {
+ if (ext->alg == IW_ENCODE_ALG_WEP) {
if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
priv->encr_tx_key_index = keyidx;
return add_wep_key(usbdev, ext->key, ext->key_len, keyidx);
@@ -2110,63 +2416,6 @@
}
-static int rndis_iw_set_genie(struct net_device *dev,
- struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
-{
- struct usbnet *usbdev = netdev_priv(dev);
- struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
- int ret = 0;
-
-#ifdef DEBUG
- int j;
- u8 *gie = extra;
- for (j = 0; j < wrqu->data.length; j += 8)
- devdbg(usbdev,
- "SIOCSIWGENIE %04x - "
- "%02x %02x %02x %02x %02x %02x %02x %02x", j,
- gie[j + 0], gie[j + 1], gie[j + 2], gie[j + 3],
- gie[j + 4], gie[j + 5], gie[j + 6], gie[j + 7]);
-#endif
- /* clear existing IEs */
- if (priv->wpa_ie_len) {
- kfree(priv->wpa_ie);
- priv->wpa_ie_len = 0;
- }
-
- /* set new IEs */
- priv->wpa_ie = kmalloc(wrqu->data.length, GFP_KERNEL);
- if (priv->wpa_ie) {
- priv->wpa_ie_len = wrqu->data.length;
- memcpy(priv->wpa_ie, extra, priv->wpa_ie_len);
- } else
- ret = -ENOMEM;
- return ret;
-}
-
-
-static int rndis_iw_get_genie(struct net_device *dev,
- struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
-{
- struct usbnet *usbdev = netdev_priv(dev);
- struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
-
- devdbg(usbdev, "SIOCGIWGENIE");
-
- if (priv->wpa_ie_len == 0 || priv->wpa_ie == NULL) {
- wrqu->data.length = 0;
- return 0;
- }
-
- if (wrqu->data.length < priv->wpa_ie_len)
- return -E2BIG;
-
- wrqu->data.length = priv->wpa_ie_len;
- memcpy(extra, priv->wpa_ie, priv->wpa_ie_len);
-
- return 0;
-}
-
-
static int rndis_iw_set_freq(struct net_device *dev,
struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
{
@@ -2233,32 +2482,6 @@
}
-static int rndis_iw_set_mlme(struct net_device *dev,
- struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
-{
- struct usbnet *usbdev = netdev_priv(dev);
- struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
- struct iw_mlme *mlme = (struct iw_mlme *)extra;
- unsigned char bssid[ETH_ALEN];
-
- get_bssid(usbdev, bssid);
-
- if (memcmp(bssid, mlme->addr.sa_data, ETH_ALEN))
- return -EINVAL;
-
- switch (mlme->cmd) {
- case IW_MLME_DEAUTH:
- return deauthenticate(usbdev);
- case IW_MLME_DISASSOC:
- return disassociate(usbdev, priv->radio_on);
- default:
- return -EOPNOTSUPP;
- }
-
- return 0;
-}
-
-
static struct iw_statistics *rndis_get_wireless_stats(struct net_device *dev)
{
struct usbnet *usbdev = netdev_priv(dev);
@@ -2283,12 +2506,12 @@
IW_IOCTL(SIOCSIWMODE) = (iw_handler) cfg80211_wext_siwmode,
IW_IOCTL(SIOCGIWMODE) = (iw_handler) cfg80211_wext_giwmode,
IW_IOCTL(SIOCGIWRANGE) = (iw_handler) cfg80211_wext_giwrange,
- IW_IOCTL(SIOCSIWAP) = rndis_iw_set_bssid,
- IW_IOCTL(SIOCGIWAP) = rndis_iw_get_bssid,
+ IW_IOCTL(SIOCSIWAP) = (iw_handler) cfg80211_wext_siwap,
+ IW_IOCTL(SIOCGIWAP) = (iw_handler) cfg80211_wext_giwap,
IW_IOCTL(SIOCSIWSCAN) = (iw_handler) cfg80211_wext_siwscan,
IW_IOCTL(SIOCGIWSCAN) = (iw_handler) cfg80211_wext_giwscan,
- IW_IOCTL(SIOCSIWESSID) = rndis_iw_set_essid,
- IW_IOCTL(SIOCGIWESSID) = rndis_iw_get_essid,
+ IW_IOCTL(SIOCSIWESSID) = (iw_handler) cfg80211_wext_siwessid,
+ IW_IOCTL(SIOCGIWESSID) = (iw_handler) cfg80211_wext_giwessid,
IW_IOCTL(SIOCGIWRATE) = rndis_iw_get_rate,
IW_IOCTL(SIOCSIWRTS) = (iw_handler) cfg80211_wext_siwrts,
IW_IOCTL(SIOCGIWRTS) = (iw_handler) cfg80211_wext_giwrts,
@@ -2298,11 +2521,10 @@
IW_IOCTL(SIOCGIWTXPOW) = (iw_handler) cfg80211_wext_giwtxpower,
IW_IOCTL(SIOCSIWENCODE) = rndis_iw_set_encode,
IW_IOCTL(SIOCSIWENCODEEXT) = rndis_iw_set_encode_ext,
- IW_IOCTL(SIOCSIWAUTH) = rndis_iw_set_auth,
- IW_IOCTL(SIOCGIWAUTH) = rndis_iw_get_auth,
- IW_IOCTL(SIOCSIWGENIE) = rndis_iw_set_genie,
- IW_IOCTL(SIOCGIWGENIE) = rndis_iw_get_genie,
- IW_IOCTL(SIOCSIWMLME) = rndis_iw_set_mlme,
+ IW_IOCTL(SIOCSIWAUTH) = (iw_handler) cfg80211_wext_siwauth,
+ IW_IOCTL(SIOCGIWAUTH) = (iw_handler) cfg80211_wext_giwauth,
+ IW_IOCTL(SIOCSIWGENIE) = (iw_handler) cfg80211_wext_siwgenie,
+ IW_IOCTL(SIOCSIWMLME) = (iw_handler) cfg80211_wext_siwmlme,
};
static const iw_handler rndis_wlan_private_handler[] = {
@@ -2325,49 +2547,78 @@
static void rndis_wlan_do_link_up_work(struct usbnet *usbdev)
{
+ struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
struct ndis_80211_assoc_info *info;
- union iwreq_data evt;
u8 assoc_buf[sizeof(*info) + IW_CUSTOM_MAX + 32];
u8 bssid[ETH_ALEN];
+ int resp_ie_len, req_ie_len;
+ u8 *req_ie, *resp_ie;
int ret, offset;
+ bool roamed = false;
- memset(assoc_buf, 0, sizeof(assoc_buf));
- info = (void *)assoc_buf;
-
- netif_carrier_on(usbdev->net);
-
- /* Get association info IEs from device and send them back to
- * userspace. */
- ret = get_association_info(usbdev, info, sizeof(assoc_buf));
- if (!ret) {
- evt.data.length = le32_to_cpu(info->req_ie_length);
- if (evt.data.length > 0) {
- offset = le32_to_cpu(info->offset_req_ies);
- wireless_send_event(usbdev->net,
- IWEVASSOCREQIE, &evt,
- (char *)info + offset);
- }
-
- evt.data.length = le32_to_cpu(info->resp_ie_length);
- if (evt.data.length > 0) {
- offset = le32_to_cpu(info->offset_resp_ies);
- wireless_send_event(usbdev->net,
- IWEVASSOCRESPIE, &evt,
- (char *)info + offset);
- }
-
- usbnet_resume_rx(usbdev);
+ if (priv->infra_mode == NDIS_80211_INFRA_INFRA && priv->connected) {
+ /* received media connect indication while connected, either
+ * device reassociated with same AP or roamed to new. */
+ roamed = true;
}
+ req_ie_len = 0;
+ resp_ie_len = 0;
+ req_ie = NULL;
+ resp_ie = NULL;
+
+ if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
+ memset(assoc_buf, 0, sizeof(assoc_buf));
+ info = (void *)assoc_buf;
+
+ /* Get association info IEs from device and send them back to
+ * userspace. */
+ ret = get_association_info(usbdev, info, sizeof(assoc_buf));
+ if (!ret) {
+ req_ie_len = le32_to_cpu(info->req_ie_length);
+ if (req_ie_len > 0) {
+ offset = le32_to_cpu(info->offset_req_ies);
+ req_ie = (u8 *)info + offset;
+ }
+
+ resp_ie_len = le32_to_cpu(info->resp_ie_length);
+ if (resp_ie_len > 0) {
+ offset = le32_to_cpu(info->offset_resp_ies);
+ resp_ie = (u8 *)info + offset;
+ }
+ }
+ } else if (WARN_ON(priv->infra_mode != NDIS_80211_INFRA_ADHOC))
+ return;
+
ret = get_bssid(usbdev, bssid);
- if (!ret) {
- evt.data.flags = 0;
- evt.data.length = 0;
- memcpy(evt.ap_addr.sa_data, bssid, ETH_ALEN);
- wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
- }
+ if (ret < 0)
+ memset(bssid, 0, sizeof(bssid));
+
+ devdbg(usbdev, "link up work: [%pM] %s", bssid, roamed ? "roamed" : "");
+
+ /* Internal bss list in device always contains at least the currently
+ * connected bss and we can get it to cfg80211 with
+ * rndis_check_bssid_list().
+ * NOTE: This is true for Broadcom chip, but not mentioned in RNDIS
+ * spec.
+ */
+ rndis_check_bssid_list(usbdev);
+
+ if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
+ if (!roamed)
+ cfg80211_connect_result(usbdev->net, bssid, req_ie,
+ req_ie_len, resp_ie,
+ resp_ie_len, 0, GFP_KERNEL);
+ else
+ cfg80211_roamed(usbdev->net, bssid, req_ie, req_ie_len,
+ resp_ie, resp_ie_len, GFP_KERNEL);
+ } else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
+ cfg80211_ibss_joined(usbdev->net, bssid, GFP_KERNEL);
+
+ priv->connected = true;
usbnet_resume_rx(usbdev);
+ netif_carrier_on(usbdev->net);
}
static void rndis_wlan_do_link_down_work(struct usbnet *usbdev)