[PATCH v7 08/11] nl80211: Add control_port_over_nl80211 for ibss

[Denis Kenzior <denkenz@gmail.com>]

Signed-off-by: Denis Kenzior <denkenz@gmail.com>
---
 include/net/cfg80211.h | 3 +++
 net/wireless/nl80211.c | 9 +++++++++
 2 files changed, 12 insertions(+)

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 2e7f30c66913..2a28f446648e 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -2033,6 +2033,8 @@ struct cfg80211_disassoc_request {
  *	sets/clears %NL80211_STA_FLAG_AUTHORIZED. If true, the driver is
  *	required to assume that the port is unauthorized until authorized by
  *	user space. Otherwise, port is marked authorized by default.
+ * @control_port_over_nl80211: TRUE if userspace expects to exchange control
+ *	port frames over NL80211 instead of the network interface.
  * @userspace_handles_dfs: whether user space controls DFS operation, i.e.
  *	changes the channel when a radar is detected. This is required
  *	to operate on DFS channels.
@@ -2056,6 +2058,7 @@ struct cfg80211_ibss_params {
 	bool channel_fixed;
 	bool privacy;
 	bool control_port;
+	bool control_port_over_nl80211;
 	bool userspace_handles_dfs;
 	int mcast_rate[NUM_NL80211_BANDS];
 	struct ieee80211_ht_cap ht_capa;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 34e8435f0c43..774f5d6ba8e4 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -8702,6 +8702,15 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
 	ibss.control_port =
 		nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
 
+	if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
+		int r = validate_pae_over_nl80211(rdev, info);
+
+		if (r < 0)
+			return r;
+
+		ibss.control_port_over_nl80211 = true;
+	}
+
 	ibss.userspace_handles_dfs =
 		nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
 
-- 
2.13.5