nl80211: add testmode dump support

This adds dump support to testmode. The testmode
dump support in nl80211 requires using two of the
six cb->args, the rest can be used by the driver
to figure out where the dump position is at or to
store other data across invocations.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index be70c70d3f5b..6e56c6ee7ccd 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1554,6 +1554,19 @@ static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
 
         return local->ops->testmode_cmd(&local->hw, data, len);
 }
+
+static int ieee80211_testmode_dump(struct wiphy *wiphy,
+                                   struct sk_buff *skb,
+                                   struct netlink_callback *cb,
+                                   void *data, int len)
+{
+        struct ieee80211_local *local = wiphy_priv(wiphy);
+
+        if (!local->ops->testmode_dump)
+                return -EOPNOTSUPP;
+
+        return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
+}
 #endif
 
 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
@@ -2134,6 +2147,7 @@ struct cfg80211_ops mac80211_config_ops = {
         .set_wds_peer = ieee80211_set_wds_peer,
         .rfkill_poll = ieee80211_rfkill_poll,
         CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
+        CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
         .set_power_mgmt = ieee80211_set_power_mgmt,
         .set_bitrate_mask = ieee80211_set_bitrate_mask,
         .remain_on_channel = ieee80211_remain_on_channel,