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;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
const u8 *bssid = mgmt->bssid;
int i;
bool found = false, was_current = false;
ASSERT_WDEV_LOCK(wdev);
if (wdev->current_bss &&
memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) {
cfg80211_unhold_bss(wdev->current_bss);
cfg80211_put_bss(&wdev->current_bss->pub);
wdev->current_bss = NULL;
found = true;
was_current = true;
} else for (i = 0; i < MAX_AUTH_BSSES; i++) {
if (wdev->auth_bsses[i] &&
memcmp(wdev->auth_bsses[i]->pub.bssid, bssid, ETH_ALEN) == 0) {
cfg80211_unhold_bss(wdev->auth_bsses[i]);
cfg80211_put_bss(&wdev->auth_bsses[i]->pub);
wdev->auth_bsses[i] = NULL;
found = true;
break;
}
if (wdev->authtry_bsses[i] &&
memcmp(wdev->authtry_bsses[i]->pub.bssid, bssid,
ETH_ALEN) == 0 &&
memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) == 0) {
cfg80211_unhold_bss(wdev->authtry_bsses[i]);
cfg80211_put_bss(&wdev->authtry_bsses[i]->pub);
wdev->authtry_bsses[i] = NULL;
found = true;
break;
}
}
if (!found)
return;
nl80211_send_deauth(rdev, dev, buf, len, GFP_KERNEL);
if (wdev->sme_state == CFG80211_SME_CONNECTED && was_current) {
u16 reason_code;
bool from_ap;
reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
from_ap = memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0;
__cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap);
} else if (wdev->sme_state == CFG80211_SME_CONNECTING) {
__cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0,
WLAN_STATUS_UNSPECIFIED_FAILURE,
false, NULL);
}
}
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;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
const u8 *bssid = mgmt->bssid;
u16 reason_code;
bool from_ap;
trace___cfg80211_send_disassoc(dev);
ASSERT_WDEV_LOCK(wdev);
nl80211_send_disassoc(rdev, dev, buf, len, GFP_KERNEL);
if (wdev->sme_state != CFG80211_SME_CONNECTED)
return;
if (wdev->current_bss &&
ether_addr_equal(wdev->current_bss->pub.bssid, bssid)) {
cfg80211_sme_disassoc(dev, wdev->current_bss);
cfg80211_unhold_bss(wdev->current_bss);
cfg80211_put_bss(wiphy, &wdev->current_bss->pub);
wdev->current_bss = NULL;
} else
WARN_ON(1);
reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
from_ap = !ether_addr_equal(mgmt->sa, dev->dev_addr);
__cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap);
}
static void cfg80211_process_disassoc(struct wireless_dev *wdev,
const u8 *buf, size_t len)
{
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
const u8 *bssid = mgmt->bssid;
u16 reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
bool from_ap = !ether_addr_equal(mgmt->sa, wdev->netdev->dev_addr);
nl80211_send_disassoc(rdev, wdev->netdev, buf, len, GFP_KERNEL);
if (WARN_ON(!wdev->current_bss ||
!ether_addr_equal(wdev->current_bss->pub.bssid, bssid)))
return;
__cfg80211_disconnected(wdev->netdev, NULL, 0, reason_code, from_ap);
cfg80211_sme_disassoc(wdev);
}
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;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
const u8 *bssid = mgmt->bssid;
int i;
u16 reason_code;
bool from_ap;
bool done = false;
ASSERT_WDEV_LOCK(wdev);
nl80211_send_disassoc(rdev, dev, buf, len, GFP_KERNEL);
if (wdev->sme_state != CFG80211_SME_CONNECTED)
return;
if (wdev->current_bss &&
memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) {
for (i = 0; i < MAX_AUTH_BSSES; i++) {
if (wdev->authtry_bsses[i] || wdev->auth_bsses[i])
continue;
wdev->auth_bsses[i] = wdev->current_bss;
wdev->current_bss = NULL;
done = true;
cfg80211_sme_disassoc(dev, i);
break;
}
WARN_ON(!done);
} else
WARN_ON(1);
reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
from_ap = memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0;
__cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap);
}
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;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
const u8 *bssid = mgmt->bssid;
bool was_current = false;
trace___cfg80211_send_deauth(dev);
ASSERT_WDEV_LOCK(wdev);
if (wdev->current_bss &&
ether_addr_equal(wdev->current_bss->pub.bssid, bssid)) {
cfg80211_unhold_bss(wdev->current_bss);
cfg80211_put_bss(wiphy, &wdev->current_bss->pub);
wdev->current_bss = NULL;
was_current = true;
}
nl80211_send_deauth(rdev, dev, buf, len, GFP_KERNEL);
if (wdev->sme_state == CFG80211_SME_CONNECTED && was_current) {
u16 reason_code;
bool from_ap;
reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
from_ap = !ether_addr_equal(mgmt->sa, dev->dev_addr);
__cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap);
} else if (wdev->sme_state == CFG80211_SME_CONNECTING) {
__cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0,
WLAN_STATUS_UNSPECIFIED_FAILURE,
false, NULL);
}
}
