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cfg80211: emulate connect with auth/assoc

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This adds code to cfg80211 so that drivers (mac80211 right
now) that don't implement connect but rather auth/assoc can
still be used with the nl80211 connect command. This will
also be necessary for the wext compat code.

Signed-off-by: Samuel Ortiz <samuel.ortiz@intel.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg
2009-07-02 09:13:27 +02:00
committed by John W. Linville
parent b23aa676ab
commit 6829c878ec
7 changed files with 475 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

79
net/wireless/mlme.c
View File

@@ -16,58 +16,105 @@ void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len, gf
{
struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
nl80211_send_rx_auth(rdev, dev, buf, len, gfp);
cfg80211_sme_rx_auth(dev, buf, len);
}
EXPORT_SYMBOL(cfg80211_send_rx_auth);
void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len, gfp_t gfp)
{
struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
u16 status_code;
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;
u8 *ie = mgmt->u.assoc_resp.variable;
int ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable);
status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code);
nl80211_send_rx_assoc(rdev, dev, buf, len, gfp);
cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, ie, len - ieoffs,
status_code, gfp);
}
EXPORT_SYMBOL(cfg80211_send_rx_assoc);
void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len, gfp_t gfp)
{
struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
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;
nl80211_send_deauth(rdev, dev, buf, len, gfp);
if (wdev->sme_state == CFG80211_SME_CONNECTED) {
u16 reason_code;
bool from_ap;
reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
from_ap = memcmp(mgmt->da, dev->dev_addr, ETH_ALEN) == 0;
__cfg80211_disconnected(dev, gfp, NULL, 0,
reason_code, from_ap);
wdev->sme_state = CFG80211_SME_IDLE;
} else if (wdev->sme_state == CFG80211_SME_CONNECTING) {
cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0,
WLAN_STATUS_UNSPECIFIED_FAILURE, gfp);
}
}
EXPORT_SYMBOL(cfg80211_send_deauth);
void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len, gfp_t gfp)
{
struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
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;
nl80211_send_disassoc(rdev, dev, buf, len, gfp);
if (wdev->sme_state == CFG80211_SME_CONNECTED) {
u16 reason_code;
bool from_ap;
reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
from_ap = memcmp(mgmt->da, dev->dev_addr, ETH_ALEN) == 0;
__cfg80211_disconnected(dev, gfp, NULL, 0,
reason_code, from_ap);
wdev->sme_state = CFG80211_SME_IDLE;
}
}
EXPORT_SYMBOL(cfg80211_send_disassoc);
static void cfg80211_wext_disconnected(struct net_device *dev)
{
#ifdef CONFIG_WIRELESS_EXT
union iwreq_data wrqu;
memset(&wrqu, 0, sizeof(wrqu));
wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
#endif
}
void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr, gfp_t gfp)
{
struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
nl80211_send_auth_timeout(rdev, dev, addr, gfp);
cfg80211_wext_disconnected(dev);
if (wdev->sme_state == CFG80211_SME_CONNECTING)
cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0,
WLAN_STATUS_UNSPECIFIED_FAILURE, gfp);
wdev->sme_state = CFG80211_SME_IDLE;
}
EXPORT_SYMBOL(cfg80211_send_auth_timeout);
void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr, gfp_t gfp)
{
struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
nl80211_send_assoc_timeout(rdev, dev, addr, gfp);
cfg80211_wext_disconnected(dev);
if (wdev->sme_state == CFG80211_SME_CONNECTING)
cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0,
WLAN_STATUS_UNSPECIFIED_FAILURE, gfp);
wdev->sme_state = CFG80211_SME_IDLE;
}
EXPORT_SYMBOL(cfg80211_send_assoc_timeout);