From: Johannes Berg <johannes.berg@xxxxxxxxx>
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@xxxxxxxxx>
---
net/mac80211/cfg.c | 21 ++++++++++++++++++++-
net/mac80211/iface.c | 13 ++++++++++++-
2 files changed, 32 insertions(+), 2 deletions(-)
--- a/net/mac80211/cfg.c 2011-11-03 11:52:40.000000000 +0100
+++ b/net/mac80211/cfg.c 2011-11-03 11:52:48.000000000 +0100
@@ -594,6 +594,8 @@ static int ieee80211_add_beacon(struct w
{
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 w
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,
--- a/net/mac80211/iface.c 2011-11-03 11:52:47.000000000 +0100
+++ b/net/mac80211/iface.c 2011-11-03 11:52:48.000000000 +0100
@@ -188,11 +188,22 @@ static int ieee80211_do_open(struct net_
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;
--
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