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cfg80211: remove some locked wrappers from sme API 

By making all the API functions require wdev locking we
can clean up the API a bit, getting rid of the locking
version of each function. This also decreases the size
of cfg80211 by a small amount.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2013-05-15 17:44:01 +02:00
parent 91bf9b26fc
commit 83739b03de
6 changed files with 32 additions and 59 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
net/wireless/core.c
View File

@ -755,8 +755,8 @@ void cfg80211_leave(struct cfg80211_registered_device *rdev,
wdev->wext.ie_len = 0;
wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
#endif
__cfg80211_disconnect(rdev, dev,
WLAN_REASON_DEAUTH_LEAVING, true);
cfg80211_disconnect(rdev, dev,
WLAN_REASON_DEAUTH_LEAVING, true);
wdev_unlock(wdev);
break;
case NL80211_IFTYPE_MESH_POINT:

11
net/wireless/core.h
View File

@ -328,18 +328,11 @@ void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa,
const struct ieee80211_vht_cap *vht_capa_mask);
/* SME */
int __cfg80211_connect(struct cfg80211_registered_device *rdev,
struct net_device *dev,
struct cfg80211_connect_params *connect,
struct cfg80211_cached_keys *connkeys,
const u8 *prev_bssid);
int cfg80211_connect(struct cfg80211_registered_device *rdev,
struct net_device *dev,
struct cfg80211_connect_params *connect,
struct cfg80211_cached_keys *connkeys);
int __cfg80211_disconnect(struct cfg80211_registered_device *rdev,
struct net_device *dev, u16 reason,
bool wextev);
struct cfg80211_cached_keys *connkeys,
const u8 *prev_bssid);
int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
struct net_device *dev, u16 reason,
bool wextev);

10
net/wireless/nl80211.c
View File

@ -6683,7 +6683,9 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
sizeof(connect.vht_capa));
}
err = cfg80211_connect(rdev, dev, &connect, connkeys);
wdev_lock(dev->ieee80211_ptr);
err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL);
wdev_unlock(dev->ieee80211_ptr);
if (err)
kfree(connkeys);
return err;
@ -6694,6 +6696,7 @@ static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
u16 reason;
int ret;
if (!info->attrs[NL80211_ATTR_REASON_CODE])
reason = WLAN_REASON_DEAUTH_LEAVING;
@ -6707,7 +6710,10 @@ static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
return -EOPNOTSUPP;
return cfg80211_disconnect(rdev, dev, reason, true);
wdev_lock(dev->ieee80211_ptr);
ret = cfg80211_disconnect(rdev, dev, reason, true);
wdev_unlock(dev->ieee80211_ptr);
return ret;
}
static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)

41
net/wireless/sme.c
View File

@ -760,11 +760,11 @@ void cfg80211_disconnected(struct net_device *dev, u16 reason,
}
EXPORT_SYMBOL(cfg80211_disconnected);
int __cfg80211_connect(struct cfg80211_registered_device *rdev,
struct net_device *dev,
struct cfg80211_connect_params *connect,
struct cfg80211_cached_keys *connkeys,
const u8 *prev_bssid)
int cfg80211_connect(struct cfg80211_registered_device *rdev,
struct net_device *dev,
struct cfg80211_connect_params *connect,
struct cfg80211_cached_keys *connkeys,
const u8 *prev_bssid)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_bss *bss = NULL;
@ -911,22 +911,8 @@ int __cfg80211_connect(struct cfg80211_registered_device *rdev,
}
}
int cfg80211_connect(struct cfg80211_registered_device *rdev,
struct net_device *dev,
struct cfg80211_connect_params *connect,
struct cfg80211_cached_keys *connkeys)
{
int err;
wdev_lock(dev->ieee80211_ptr);
err = __cfg80211_connect(rdev, dev, connect, connkeys, NULL);
wdev_unlock(dev->ieee80211_ptr);
return err;
}
int __cfg80211_disconnect(struct cfg80211_registered_device *rdev,
struct net_device *dev, u16 reason, bool wextev)
int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
struct net_device *dev, u16 reason, bool wextev)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
@ -983,19 +969,6 @@ int __cfg80211_disconnect(struct cfg80211_registered_device *rdev,
return 0;
}
int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
struct net_device *dev,
u16 reason, bool wextev)
{
int err;
wdev_lock(dev->ieee80211_ptr);
err = __cfg80211_disconnect(rdev, dev, reason, wextev);
wdev_unlock(dev->ieee80211_ptr);
return err;
}
void cfg80211_sme_disassoc(struct net_device *dev,
struct cfg80211_internal_bss *bss)
{

2
net/wireless/util.c
View File

@ -858,8 +858,10 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
wdev_lock(dev->ieee80211_ptr);
cfg80211_disconnect(rdev, dev,
WLAN_REASON_DEAUTH_LEAVING, true);
wdev_unlock(dev->ieee80211_ptr);
break;
case NL80211_IFTYPE_MESH_POINT:
/* mesh should be handled? */

23
net/wireless/wext-sme.c
View File

@ -54,8 +54,8 @@ int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
if (wdev->wext.prev_bssid_valid)
prev_bssid = wdev->wext.prev_bssid;
err = __cfg80211_connect(rdev, wdev->netdev,
&wdev->wext.connect, ck, prev_bssid);
err = cfg80211_connect(rdev, wdev->netdev,
&wdev->wext.connect, ck, prev_bssid);
if (err)
kfree(ck);
@ -100,8 +100,8 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
/* if SSID set, we'll try right again, avoid event */
if (wdev->wext.connect.ssid_len)
event = false;
err = __cfg80211_disconnect(rdev, dev,
WLAN_REASON_DEAUTH_LEAVING, event);
err = cfg80211_disconnect(rdev, dev,
WLAN_REASON_DEAUTH_LEAVING, event);
if (err)
goto out;
}
@ -199,8 +199,8 @@ int cfg80211_mgd_wext_siwessid(struct net_device *dev,
/* if SSID set now, we'll try to connect, avoid event */
if (len)
event = false;
err = __cfg80211_disconnect(rdev, dev,
WLAN_REASON_DEAUTH_LEAVING, event);
err = cfg80211_disconnect(rdev, dev,
WLAN_REASON_DEAUTH_LEAVING, event);
if (err)
goto out;
}
@ -288,8 +288,8 @@ int cfg80211_mgd_wext_siwap(struct net_device *dev,
ether_addr_equal(bssid, wdev->wext.connect.bssid))
goto out;
err = __cfg80211_disconnect(rdev, dev,
WLAN_REASON_DEAUTH_LEAVING, false);
err = cfg80211_disconnect(rdev, dev,
WLAN_REASON_DEAUTH_LEAVING, false);
if (err)
goto out;
}
@ -365,8 +365,8 @@ int cfg80211_wext_siwgenie(struct net_device *dev,
wdev->wext.ie_len = ie_len;
if (wdev->sme_state != CFG80211_SME_IDLE) {
err = __cfg80211_disconnect(rdev, dev,
WLAN_REASON_DEAUTH_LEAVING, false);
err = cfg80211_disconnect(rdev, dev,
WLAN_REASON_DEAUTH_LEAVING, false);
if (err)
goto out;
}
@ -402,8 +402,7 @@ int cfg80211_wext_siwmlme(struct net_device *dev,
switch (mlme->cmd) {
case IW_MLME_DEAUTH:
case IW_MLME_DISASSOC:
err = __cfg80211_disconnect(rdev, dev, mlme->reason_code,
true);
err = cfg80211_disconnect(rdev, dev, mlme->reason_code, true);
break;
default:
err = -EOPNOTSUPP;