cfg80211: show interface type
This patch makes cfg80211 show the interface in the nl80211
information about a specific interface. API users are required
to keep the type updated (everything else is fairly complicated)
but you will get a warning if you fail to keep it updated.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index a72fbeb..b5cd91e 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -625,6 +625,7 @@
/* and set some type-dependent values */
sdata->vif.type = type;
sdata->dev->hard_start_xmit = ieee80211_subif_start_xmit;
+ sdata->wdev.iftype = type;
/* only monitor differs */
sdata->dev->type = ARPHRD_ETHER;
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 88cb733..d694008 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -384,6 +384,8 @@
rdev = wiphy_to_dev(dev->ieee80211_ptr->wiphy);
+ WARN_ON(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_UNSPECIFIED);
+
switch (state) {
case NETDEV_REGISTER:
mutex_lock(&rdev->devlist_mtx);
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 1221d72..44771a69 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -299,7 +299,7 @@
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, dev->name);
- /* TODO: interface type */
+ NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, dev->ieee80211_ptr->iftype);
return genlmsg_end(msg, hdr);
nla_put_failure:
@@ -453,6 +453,10 @@
&flags);
err = drv->ops->change_virtual_intf(&drv->wiphy, ifindex,
type, err ? NULL : &flags, ¶ms);
+
+ dev = __dev_get_by_index(&init_net, ifindex);
+ WARN_ON(!dev || (!err && dev->ieee80211_ptr->iftype != type));
+
rtnl_unlock();
unlock: