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authorDenis Kenzior <denkenz@gmail.com>2018-03-26 12:52:42 -0500
committerJohannes Berg <johannes.berg@intel.com>2018-03-29 13:44:19 +0200
commit2576a9ace47eba28a682d249d1d6402f891808c9 (patch)
treeb45b4cfccad58ef11f8875b2fcf317f41deb03c7 /include/net
parent6a671a50f8199b3e1fe49fa8afff0fc8335da79c (diff)
downloadlinux-2576a9ace47eba28a682d249d1d6402f891808c9.tar.gz
nl80211: Implement TX of control port frames
This commit implements the TX side of NL80211_CMD_CONTROL_PORT_FRAME.
Userspace provides the raw EAPoL frame using NL80211_ATTR_FRAME.
Userspace should also provide the destination address and the protocol
type to use when sending the frame.  This is used to implement TX of
Pre-authentication frames.  If CONTROL_PORT_ETHERTYPE_NO_ENCRYPT is
specified, then the driver will be asked not to encrypt the outgoing
frame.

A new EXT_FEATURE flag is introduced so that nl80211 code can check
whether a given wiphy has capability to pass EAPoL frames over nl80211.

Signed-off-by: Denis Kenzior <denkenz@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/cfg80211.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index df145f76adad..de2894a4ad10 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -2961,6 +2961,9 @@ struct cfg80211_external_auth_params {
  *
  * @external_auth: indicates result of offloaded authentication processing from
  *     user space
+ *
+ * @tx_control_port: TX a control port frame (EAPoL).  The noencrypt parameter
+ *	tells the driver that the frame should not be encrypted.
  */
 struct cfg80211_ops {
 	int	(*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
@@ -3256,6 +3259,12 @@ struct cfg80211_ops {
 			   const u8 *aa);
 	int     (*external_auth)(struct wiphy *wiphy, struct net_device *dev,
 				 struct cfg80211_external_auth_params *params);
+
+	int	(*tx_control_port)(struct wiphy *wiphy,
+				   struct net_device *dev,
+				   const u8 *buf, size_t len,
+				   const u8 *dest, const __be16 proto,
+				   const bool noencrypt);
 };
 
 /*