cfg80211: patches to allow setting the WDS peer

Added a nl interface to set the peer bssid of a WDS interface.

Signed-off-by: Bill Jordan <bjordan@rajant.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index edd21ae6acf702f9a8f24dc7a7ac4316c4c551f3..73d9390d4ddb5ed1b9c0ca34dc445aa6a22c4762 100644 (file)
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -387,6 +387,8 @@
  *     of any other interfaces, and other interfaces will again take
  *     precedence when they are used.
  *
+ * @NL80211_CMD_SET_WDS_PEER: Set the MAC address of the peer on a WDS interface.
+ *
  * @NL80211_CMD_MAX: highest used command number
  * @__NL80211_CMD_AFTER_LAST: internal use
  */
@@ -489,6 +491,7 @@ enum nl80211_commands {
        NL80211_CMD_NOTIFY_CQM,
 
        NL80211_CMD_SET_CHANNEL,
+       NL80211_CMD_SET_WDS_PEER,
 
        /* add new commands above here */
 

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 21061ccee5570792e20f690a89d639a0bdaf7653..fd92b6b7ff045858034d9838ab94d1b870566b6e 100644 (file)
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -603,6 +603,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
                NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS);
        }
        CMD(set_channel, SET_CHANNEL);
+       CMD(set_wds_peer, SET_WDS_PEER);
 
 #undef CMD
 
@@ -833,6 +834,53 @@ static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
        return result;
 }
 
+static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info)
+{
+       struct cfg80211_registered_device *rdev;
+       struct wireless_dev *wdev;
+       struct net_device *dev;
+       u8 *bssid;
+       int err;
+
+       if (!info->attrs[NL80211_ATTR_MAC])
+               return -EINVAL;
+
+       rtnl_lock();
+
+       err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
+       if (err)
+               goto unlock_rtnl;
+
+       wdev = dev->ieee80211_ptr;
+
+       if (netif_running(dev)) {
+               err = -EBUSY;
+               goto out;
+       }
+
+       if (!rdev->ops->set_wds_peer) {
+               err = -EOPNOTSUPP;
+               goto out;
+       }
+
+       if (wdev->iftype != NL80211_IFTYPE_WDS) {
+               err = -EOPNOTSUPP;
+               goto out;
+       }
+
+       bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
+       err = rdev->ops->set_wds_peer(wdev->wiphy, dev, bssid);
+
+out:
+       cfg80211_unlock_rdev(rdev);
+       dev_put(dev);
+unlock_rtnl:
+       rtnl_unlock();
+
+       return err;
+}
+
+
 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
 {
        struct cfg80211_registered_device *rdev;
@@ -5473,6 +5521,12 @@ static struct genl_ops nl80211_ops[] = {
                .policy = nl80211_policy,
                .flags = GENL_ADMIN_PERM,
        },
+       {
+               .cmd = NL80211_CMD_SET_WDS_PEER,
+               .doit = nl80211_set_wds_peer,
+               .policy = nl80211_policy,
+               .flags = GENL_ADMIN_PERM,
+       },
 };
 
 static struct genl_multicast_group nl80211_mlme_mcgrp = {