mac80211: add support for control port protocol in AP mode

This will allow us to support dynamic WEP with 802.1X
properly in mac80211 by not encrypting outgoing and
accepting unencrypted incoming frames.

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 2011-11-04 11:18:11 +01:00 committed by John W. Linville
parent 6096de7fd4
commit 665c93a93e
2 changed files with 32 additions and 2 deletions

View File

@ -594,6 +594,8 @@ static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
{
struct ieee80211_sub_if_data *sdata;
struct beacon_data *old;
struct ieee80211_sub_if_data *vlan;
int ret;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
@ -601,7 +603,24 @@ static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
if (old)
return -EALREADY;
return ieee80211_config_beacon(sdata, params);
ret = ieee80211_config_beacon(sdata, params);
if (ret)
return ret;
/*
* Apply control port protocol, this allows us to
* not encrypt dynamic WEP control frames.
*/
sdata->control_port_protocol = params->crypto.control_port_ethertype;
sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
vlan->control_port_protocol =
params->crypto.control_port_ethertype;
vlan->control_port_no_encrypt =
params->crypto.control_port_no_encrypt;
}
return 0;
}
static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,

View File

@ -188,11 +188,22 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
if (!is_valid_ether_addr(sdata->u.wds.remote_addr))
return -ENOLINK;
break;
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_AP_VLAN: {
struct ieee80211_sub_if_data *master;
if (!sdata->bss)
return -ENOLINK;
list_add(&sdata->u.vlan.list, &sdata->bss->vlans);
master = container_of(sdata->bss,
struct ieee80211_sub_if_data, u.ap);
sdata->control_port_protocol =
master->control_port_protocol;
sdata->control_port_no_encrypt =
master->control_port_no_encrypt;
break;
}
case NL80211_IFTYPE_AP:
sdata->bss = &sdata->u.ap;
break;