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mac80211: add support for control port protocol in AP mode

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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
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21
net/mac80211/cfg.c
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,

13
net/mac80211/iface.c
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;