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cfg80211/mac80211: allow management frame TX in AP mode 

Enable management frame transmission and subscribing
to management frames through nl80211 in both cfg80211
and mac80211. Also update a few places that I forgot
to update for P2P-client mode previously, and fix a
small bug with non-action frames in this API.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2010-09-30 21:06:09 +02:00 committed by John W. Linville
parent 4bd530f3ab
commit 663fcafd97
3 changed files with 57 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
net/mac80211/cfg.c
View File

@ -1549,7 +1549,11 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
switch (sdata->vif.type) {
case NL80211_IFTYPE_ADHOC:
if (mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_P2P_GO:
if (!ieee80211_is_action(mgmt->frame_control) ||
mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
break;
rcu_read_lock();
sta = sta_info_get(sdata, mgmt->da);
@ -1558,6 +1562,7 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
return -ENOLINK;
break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
break;
default:
return -EOPNOTSUPP;

54
net/wireless/mlme.c
View File

@ -876,21 +876,53 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
if (ieee80211_is_action(mgmt->frame_control) &&
mgmt->u.action.category != WLAN_CATEGORY_PUBLIC) {
/* Verify that we are associated with the destination AP */
int err = 0;
wdev_lock(wdev);
if (!wdev->current_bss ||
memcmp(wdev->current_bss->pub.bssid, mgmt->bssid,
ETH_ALEN) != 0 ||
((wdev->iftype == NL80211_IFTYPE_STATION ||
wdev->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
memcmp(wdev->current_bss->pub.bssid, mgmt->da,
ETH_ALEN) != 0)) {
wdev_unlock(wdev);
return -ENOTCONN;
}
switch (wdev->iftype) {
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
if (!wdev->current_bss) {
err = -ENOTCONN;
break;
}
if (memcmp(wdev->current_bss->pub.bssid,
mgmt->bssid, ETH_ALEN)) {
err = -ENOTCONN;
break;
}
/*
* check for IBSS DA must be done by driver as
* cfg80211 doesn't track the stations
*/
if (wdev->iftype == NL80211_IFTYPE_ADHOC)
break;
/* for station, check that DA is the AP */
if (memcmp(wdev->current_bss->pub.bssid,
mgmt->da, ETH_ALEN)) {
err = -ENOTCONN;
break;
}
break;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
case NL80211_IFTYPE_AP_VLAN:
if (memcmp(mgmt->bssid, dev->dev_addr, ETH_ALEN))
err = -EINVAL;
break;
default:
err = -EOPNOTSUPP;
break;
}
wdev_unlock(wdev);
if (err)
return err;
}
if (memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0)

10
net/wireless/nl80211.c
View File

@ -4828,7 +4828,10 @@ static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) {
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
err = -EOPNOTSUPP;
goto out;
}
@ -4881,7 +4884,10 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) {
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
err = -EOPNOTSUPP;
goto out;
}