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cfg80211: fix bugs in new SME implementation 

When splitting the SME implementation from the MLME code,
I introduced a few bugs:
 * association failures no longer sent a connect-failure event
 * getting disassociated from the AP caused deauth to be sent
   but state wasn't cleaned up, leading to warnings
 * authentication failures weren't cleaned up properly, causing
   new connection attempts to warn and fail

Fix these bugs.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
wifi-calibration
Johannes Berg 2013-06-28 11:38:54 +02:00 committed by Johannes Berg
parent a0ec570f4f
commit 923a0e7dee
1 changed files with 26 additions and 3 deletions
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29
net/wireless/sme.c
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@ -34,8 +34,10 @@ struct cfg80211_conn {
CFG80211_CONN_SCAN_AGAIN,
CFG80211_CONN_AUTHENTICATE_NEXT,
CFG80211_CONN_AUTHENTICATING,
CFG80211_CONN_AUTH_FAILED,
CFG80211_CONN_ASSOCIATE_NEXT,
CFG80211_CONN_ASSOCIATING,
CFG80211_CONN_ASSOC_FAILED,
CFG80211_CONN_DEAUTH,
CFG80211_CONN_CONNECTED,
} state;
@ -164,6 +166,8 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev)
NULL, 0,
params->key, params->key_len,
params->key_idx, NULL, 0);
case CFG80211_CONN_AUTH_FAILED:
return -ENOTCONN;
case CFG80211_CONN_ASSOCIATE_NEXT:
BUG_ON(!rdev->ops->assoc);
wdev->conn->state = CFG80211_CONN_ASSOCIATING;
@ -188,10 +192,17 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev)
WLAN_REASON_DEAUTH_LEAVING,
false);
return err;
case CFG80211_CONN_ASSOC_FAILED:
cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
NULL, 0,
WLAN_REASON_DEAUTH_LEAVING, false);
return -ENOTCONN;
case CFG80211_CONN_DEAUTH:
cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
NULL, 0,
WLAN_REASON_DEAUTH_LEAVING, false);
/* free directly, disconnected event already sent */
cfg80211_sme_free(wdev);
return 0;
default:
return 0;
@ -371,7 +382,7 @@ bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status)
return true;
}
wdev->conn->state = CFG80211_CONN_DEAUTH;
wdev->conn->state = CFG80211_CONN_ASSOC_FAILED;
schedule_work(&rdev->conn_work);
return false;
}
@ -383,7 +394,13 @@ void cfg80211_sme_deauth(struct wireless_dev *wdev)
void cfg80211_sme_auth_timeout(struct wireless_dev *wdev)
{
cfg80211_sme_free(wdev);
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
if (!wdev->conn)
return;
wdev->conn->state = CFG80211_CONN_AUTH_FAILED;
schedule_work(&rdev->conn_work);
}
void cfg80211_sme_disassoc(struct wireless_dev *wdev)
@ -399,7 +416,13 @@ void cfg80211_sme_disassoc(struct wireless_dev *wdev)
void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev)
{
cfg80211_sme_disassoc(wdev);
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
if (!wdev->conn)
return;
wdev->conn->state = CFG80211_CONN_ASSOC_FAILED;
schedule_work(&rdev->conn_work);
}
static int cfg80211_sme_connect(struct wireless_dev *wdev,