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authorJohannes Berg <johannes.berg@intel.com>2010-12-03 11:20:44 +0300
committerJohn W. Linville <linville@tuxdriver.com>2010-12-07 00:01:29 +0300
commit29cbe68c516a48a9a88b3226878570c6cbd83c02 (patch)
tree4774f8a3a244236234a521baa4d1ae5b3e1494ba /net/wireless/core.c
parentbd90fdcc5fbd99a2a778999610420cf793bd1be2 (diff)
downloadlinux-29cbe68c516a48a9a88b3226878570c6cbd83c02.tar.xz
cfg80211/mac80211: add mesh join/leave commands
Instead of tying mesh activity to interface up, add join and leave commands for mesh. Since we must be backward compatible, let cfg80211 handle joining a mesh if a mesh ID was pre-configured when the device goes up. Note that this therefore must modify mac80211 as well since mac80211 needs to lose the logic to start the mesh on interface up. We now allow querying mesh parameters before the mesh is connected, which simply returns defaults. Setting them (internally renamed to "update") is only allowed while connected. Specify them with the new mesh join command instead where needed. In mac80211, beaconing must now also follow the mesh enabled/not enabled state, which is done by testing the mesh ID. Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/wireless/core.c')
-rw-r--r--net/wireless/core.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 630bcf0a2f04..79772fcc37bc 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -332,6 +332,7 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
WARN_ON(ops->add_virtual_intf && !ops->del_virtual_intf);
WARN_ON(ops->add_station && !ops->del_station);
WARN_ON(ops->add_mpath && !ops->del_mpath);
+ WARN_ON(ops->join_mesh && !ops->leave_mesh);
alloc_size = sizeof(*rdev) + sizeof_priv;
@@ -752,6 +753,9 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
cfg80211_mlme_down(rdev, dev);
wdev_unlock(wdev);
break;
+ case NL80211_IFTYPE_MESH_POINT:
+ cfg80211_leave_mesh(rdev, dev);
+ break;
default:
break;
}
@@ -775,20 +779,27 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
}
cfg80211_lock_rdev(rdev);
mutex_lock(&rdev->devlist_mtx);
-#ifdef CONFIG_CFG80211_WEXT
wdev_lock(wdev);
switch (wdev->iftype) {
+#ifdef CONFIG_CFG80211_WEXT
case NL80211_IFTYPE_ADHOC:
cfg80211_ibss_wext_join(rdev, wdev);
break;
case NL80211_IFTYPE_STATION:
cfg80211_mgd_wext_connect(rdev, wdev);
break;
+#endif
+ case NL80211_IFTYPE_MESH_POINT:
+ /* backward compat code ... */
+ if (wdev->mesh_id_up_len)
+ __cfg80211_join_mesh(rdev, dev, wdev->ssid,
+ wdev->mesh_id_up_len,
+ &default_mesh_config);
+ break;
default:
break;
}
wdev_unlock(wdev);
-#endif
rdev->opencount++;
mutex_unlock(&rdev->devlist_mtx);
cfg80211_unlock_rdev(rdev);