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cfg80211: show interface type

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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>
This commit is contained in:
Johannes Berg
2008-09-16 14:55:09 +02:00
committed by John W. Linville
parent 133b822638
commit 60719ffd72
5 changed files with 14 additions and 3 deletions
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2
net/wireless/core.c
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@ -384,6 +384,8 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
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);

6
net/wireless/nl80211.c
View File

@ -299,7 +299,7 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags,
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 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
&flags);
err = drv->ops->change_virtual_intf(&drv->wiphy, ifindex,
type, err ? NULL : &flags, &params);
dev = __dev_get_by_index(&init_net, ifindex);
WARN_ON(!dev || (!err && dev->ieee80211_ptr->iftype != type));
rtnl_unlock();
unlock: