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Diffstat (limited to 'net/wireless/mlme.c')
-rw-r--r--net/wireless/mlme.c216
1 files changed, 53 insertions, 163 deletions
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 0c7b7dd855f6..7bde5d9c0003 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -25,12 +25,9 @@ void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len)
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
trace_cfg80211_send_rx_auth(dev);
- wdev_lock(wdev);
nl80211_send_rx_auth(rdev, dev, buf, len, GFP_KERNEL);
cfg80211_sme_rx_auth(dev, buf, len);
-
- wdev_unlock(wdev);
}
EXPORT_SYMBOL(cfg80211_send_rx_auth);
@@ -46,7 +43,6 @@ void cfg80211_send_rx_assoc(struct net_device *dev, struct cfg80211_bss *bss,
int ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable);
trace_cfg80211_send_rx_assoc(dev, bss);
- wdev_lock(wdev);
status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code);
@@ -59,7 +55,7 @@ void cfg80211_send_rx_assoc(struct net_device *dev, struct cfg80211_bss *bss,
if (status_code != WLAN_STATUS_SUCCESS && wdev->conn &&
cfg80211_sme_failed_reassoc(wdev)) {
cfg80211_put_bss(wiphy, bss);
- goto out;
+ return;
}
nl80211_send_rx_assoc(rdev, dev, buf, len, GFP_KERNEL);
@@ -71,7 +67,7 @@ void cfg80211_send_rx_assoc(struct net_device *dev, struct cfg80211_bss *bss,
* sme will schedule work that does it later.
*/
cfg80211_put_bss(wiphy, bss);
- goto out;
+ return;
}
if (!wdev->conn && wdev->sme_state == CFG80211_SME_IDLE) {
@@ -87,13 +83,11 @@ void cfg80211_send_rx_assoc(struct net_device *dev, struct cfg80211_bss *bss,
__cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, ie, len - ieoffs,
status_code,
status_code == WLAN_STATUS_SUCCESS, bss);
- out:
- wdev_unlock(wdev);
}
EXPORT_SYMBOL(cfg80211_send_rx_assoc);
-void __cfg80211_send_deauth(struct net_device *dev,
- const u8 *buf, size_t len)
+void cfg80211_send_deauth(struct net_device *dev,
+ const u8 *buf, size_t len)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct wiphy *wiphy = wdev->wiphy;
@@ -102,7 +96,7 @@ void __cfg80211_send_deauth(struct net_device *dev,
const u8 *bssid = mgmt->bssid;
bool was_current = false;
- trace___cfg80211_send_deauth(dev);
+ trace_cfg80211_send_deauth(dev);
ASSERT_WDEV_LOCK(wdev);
if (wdev->current_bss &&
@@ -129,20 +123,10 @@ void __cfg80211_send_deauth(struct net_device *dev,
false, NULL);
}
}
-EXPORT_SYMBOL(__cfg80211_send_deauth);
-
-void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len)
-{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
-
- wdev_lock(wdev);
- __cfg80211_send_deauth(dev, buf, len);
- wdev_unlock(wdev);
-}
EXPORT_SYMBOL(cfg80211_send_deauth);
-void __cfg80211_send_disassoc(struct net_device *dev,
- const u8 *buf, size_t len)
+void cfg80211_send_disassoc(struct net_device *dev,
+ const u8 *buf, size_t len)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct wiphy *wiphy = wdev->wiphy;
@@ -152,7 +136,7 @@ void __cfg80211_send_disassoc(struct net_device *dev,
u16 reason_code;
bool from_ap;
- trace___cfg80211_send_disassoc(dev);
+ trace_cfg80211_send_disassoc(dev);
ASSERT_WDEV_LOCK(wdev);
nl80211_send_disassoc(rdev, dev, buf, len, GFP_KERNEL);
@@ -175,16 +159,6 @@ void __cfg80211_send_disassoc(struct net_device *dev,
from_ap = !ether_addr_equal(mgmt->sa, dev->dev_addr);
__cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap);
}
-EXPORT_SYMBOL(__cfg80211_send_disassoc);
-
-void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len)
-{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
-
- wdev_lock(wdev);
- __cfg80211_send_disassoc(dev, buf, len);
- wdev_unlock(wdev);
-}
EXPORT_SYMBOL(cfg80211_send_disassoc);
void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr)
@@ -194,15 +168,12 @@ void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr)
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
trace_cfg80211_send_auth_timeout(dev, addr);
- wdev_lock(wdev);
nl80211_send_auth_timeout(rdev, dev, addr, GFP_KERNEL);
if (wdev->sme_state == CFG80211_SME_CONNECTING)
__cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0,
WLAN_STATUS_UNSPECIFIED_FAILURE,
false, NULL);
-
- wdev_unlock(wdev);
}
EXPORT_SYMBOL(cfg80211_send_auth_timeout);
@@ -213,15 +184,12 @@ void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr)
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
trace_cfg80211_send_assoc_timeout(dev, addr);
- wdev_lock(wdev);
nl80211_send_assoc_timeout(rdev, dev, addr, GFP_KERNEL);
if (wdev->sme_state == CFG80211_SME_CONNECTING)
__cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0,
WLAN_STATUS_UNSPECIFIED_FAILURE,
false, NULL);
-
- wdev_unlock(wdev);
}
EXPORT_SYMBOL(cfg80211_send_assoc_timeout);
@@ -253,18 +221,27 @@ void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr,
EXPORT_SYMBOL(cfg80211_michael_mic_failure);
/* some MLME handling for userspace SME */
-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 *sae_data, int sae_data_len)
+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 *sae_data, int sae_data_len)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct cfg80211_auth_request req;
+ struct cfg80211_auth_request req = {
+ .ie = ie,
+ .ie_len = ie_len,
+ .sae_data = sae_data,
+ .sae_data_len = sae_data_len,
+ .auth_type = auth_type,
+ .key = key,
+ .key_len = key_len,
+ .key_idx = key_idx,
+ };
int err;
ASSERT_WDEV_LOCK(wdev);
@@ -277,18 +254,8 @@ int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
ether_addr_equal(bssid, wdev->current_bss->pub.bssid))
return -EALREADY;
- memset(&req, 0, sizeof(req));
-
- req.ie = ie;
- req.ie_len = ie_len;
- req.sae_data = sae_data;
- req.sae_data_len = sae_data_len;
- req.auth_type = auth_type;
req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len,
WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
- req.key = key;
- req.key_len = key_len;
- req.key_idx = key_idx;
if (!req.bss)
return -ENOENT;
@@ -304,28 +271,6 @@ out:
return err;
}
-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 *sae_data, int sae_data_len)
-{
- int err;
-
- mutex_lock(&rdev->devlist_mtx);
- 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,
- sae_data, sae_data_len);
- wdev_unlock(dev->ieee80211_ptr);
- mutex_unlock(&rdev->devlist_mtx);
-
- return err;
-}
-
/* Do a logical ht_capa &= ht_capa_mask. */
void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa,
const struct ieee80211_ht_cap *ht_capa_mask)
@@ -360,12 +305,12 @@ void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa,
p1[i] &= p2[i];
}
-int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct ieee80211_channel *chan,
- const u8 *bssid,
- const u8 *ssid, int ssid_len,
- struct cfg80211_assoc_request *req)
+int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct ieee80211_channel *chan,
+ const u8 *bssid,
+ const u8 *ssid, int ssid_len,
+ struct cfg80211_assoc_request *req)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
@@ -415,30 +360,10 @@ out:
return err;
}
-int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct ieee80211_channel *chan,
- const u8 *bssid,
- const u8 *ssid, int ssid_len,
- struct cfg80211_assoc_request *req)
-{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
- int err;
-
- mutex_lock(&rdev->devlist_mtx);
- wdev_lock(wdev);
- err = __cfg80211_mlme_assoc(rdev, dev, chan, bssid,
- ssid, ssid_len, req);
- wdev_unlock(wdev);
- mutex_unlock(&rdev->devlist_mtx);
-
- return err;
-}
-
-int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
- struct net_device *dev, const u8 *bssid,
- 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,
+ bool local_state_change)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_deauth_request req = {
@@ -458,29 +383,18 @@ int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
return rdev_deauth(rdev, dev, &req);
}
-int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
- struct net_device *dev, const u8 *bssid,
- 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,
- local_state_change);
- wdev_unlock(wdev);
-
- return err;
-}
-
-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,
- 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,
+ bool local_state_change)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct cfg80211_disassoc_request req;
+ struct cfg80211_disassoc_request req = {
+ .reason_code = reason,
+ .local_state_change = local_state_change,
+ .ie = ie,
+ .ie_len = ie_len,
+ };
ASSERT_WDEV_LOCK(wdev);
@@ -490,11 +404,6 @@ static int __cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
if (WARN(!wdev->current_bss, "sme_state=%d\n", wdev->sme_state))
return -ENOTCONN;
- 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 (ether_addr_equal(wdev->current_bss->pub.bssid, bssid))
req.bss = &wdev->current_bss->pub;
else
@@ -503,44 +412,25 @@ static int __cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
return rdev_disassoc(rdev, dev, &req);
}
-int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
- struct net_device *dev, const u8 *bssid,
- 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,
- local_state_change);
- wdev_unlock(wdev);
-
- return err;
-}
-
void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
struct net_device *dev)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct cfg80211_deauth_request req;
u8 bssid[ETH_ALEN];
+ struct cfg80211_deauth_request req = {
+ .reason_code = WLAN_REASON_DEAUTH_LEAVING,
+ .bssid = bssid,
+ };
ASSERT_WDEV_LOCK(wdev);
if (!rdev->ops->deauth)
return;
- memset(&req, 0, sizeof(req));
- req.reason_code = WLAN_REASON_DEAUTH_LEAVING;
- req.ie = NULL;
- req.ie_len = 0;
-
if (!wdev->current_bss)
return;
memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN);
- req.bssid = bssid;
rdev_deauth(rdev, dev, &req);
if (wdev->current_bss) {
@@ -848,7 +738,7 @@ void cfg80211_dfs_channels_update_work(struct work_struct *work)
dfs_update_channels_wk);
wiphy = &rdev->wiphy;
- mutex_lock(&cfg80211_mutex);
+ rtnl_lock();
for (bandid = 0; bandid < IEEE80211_NUM_BANDS; bandid++) {
sband = wiphy->bands[bandid];
if (!sband)
@@ -881,7 +771,7 @@ void cfg80211_dfs_channels_update_work(struct work_struct *work)
check_again = true;
}
}
- mutex_unlock(&cfg80211_mutex);
+ rtnl_unlock();
/* reschedule if there are other channels waiting to be cleared again */
if (check_again)