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>

1 files changed, 54 insertions, 0 deletions

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 21061ccee557..fd92b6b7ff04 100644
--- 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 = {