nl80211: Add SOCKET_OWNER support to JOIN_MESH
Signed-off-by: Denis Kenzior <denkenz@gmail.com> [johannes: fix race with wdev lock/unlock by just acquiring once] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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@ -1964,6 +1964,8 @@ enum nl80211_commands {
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* station will deauthenticate when the socket is closed.
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* If set during %NL80211_CMD_JOIN_IBSS the IBSS will be automatically
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* torn down when the socket is closed.
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* If set during %NL80211_CMD_JOIN_MESH the mesh setup will be
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* automatically torn down when the socket is closed.
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*
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* @NL80211_ATTR_TDLS_INITIATOR: flag attribute indicating the current end is
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* the TDLS link initiator.
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@ -303,10 +303,6 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
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struct net_device *dev,
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struct mesh_setup *setup,
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const struct mesh_config *conf);
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int cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
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struct net_device *dev,
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struct mesh_setup *setup,
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const struct mesh_config *conf);
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int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
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struct net_device *dev);
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int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
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@ -217,21 +217,6 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
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return err;
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}
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int cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
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struct net_device *dev,
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struct mesh_setup *setup,
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const struct mesh_config *conf)
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{
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struct wireless_dev *wdev = dev->ieee80211_ptr;
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int err;
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wdev_lock(wdev);
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err = __cfg80211_join_mesh(rdev, dev, setup, conf);
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wdev_unlock(wdev);
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return err;
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}
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int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev,
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struct wireless_dev *wdev,
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struct cfg80211_chan_def *chandef)
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@ -286,6 +271,7 @@ int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
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err = rdev_leave_mesh(rdev, dev);
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if (!err) {
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wdev->conn_owner_nlportid = 0;
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wdev->mesh_id_len = 0;
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wdev->beacon_interval = 0;
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memset(&wdev->chandef, 0, sizeof(wdev->chandef));
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@ -10092,7 +10092,7 @@ static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
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if (err)
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return err;
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} else {
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/* cfg80211_join_mesh() will sort it out */
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/* __cfg80211_join_mesh() will sort it out */
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setup.chandef.chan = NULL;
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}
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@ -10130,7 +10130,13 @@ static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
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setup.userspace_handles_dfs =
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nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
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return cfg80211_join_mesh(rdev, dev, &setup, &cfg);
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wdev_lock(dev->ieee80211_ptr);
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err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
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if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
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dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
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wdev_unlock(dev->ieee80211_ptr);
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return err;
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}
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static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
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