wifi: mac80211: implement add/del interface link callbacks

When a link is added or removed via nl80211, these are
called. Implement them so we don't have to check in all
the different per-link commands whether we've already
created the necessary datastructures.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index abc3fa5a8d7e9cbef0835a0e6d0ec924455fbcbe..6790fb78c0688f1582552381c67bb9aa4e7d9e9a 100644 (file)
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -4549,6 +4549,24 @@ ieee80211_set_radar_background(struct wiphy *wiphy,
        return local->ops->set_radar_background(&local->hw, chandef);
 }
 
+static int ieee80211_add_intf_link(struct wiphy *wiphy,
+                                  struct wireless_dev *wdev,
+                                  unsigned int link_id)
+{
+       struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
+
+       return ieee80211_vif_set_links(sdata, wdev->valid_links);
+}
+
+static void ieee80211_del_intf_link(struct wiphy *wiphy,
+                                   struct wireless_dev *wdev,
+                                   unsigned int link_id)
+{
+       struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
+
+       ieee80211_vif_set_links(sdata, wdev->valid_links);
+}
+
 const struct cfg80211_ops mac80211_config_ops = {
        .add_virtual_intf = ieee80211_add_iface,
        .del_virtual_intf = ieee80211_del_iface,
@@ -4654,4 +4672,6 @@ const struct cfg80211_ops mac80211_config_ops = {
        .set_sar_specs = ieee80211_set_sar_specs,
        .color_change = ieee80211_color_change,
        .set_radar_background = ieee80211_set_radar_background,
+       .add_intf_link = ieee80211_add_intf_link,
+       .del_intf_link = ieee80211_del_intf_link,
 };