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From:   Vinayak Yadawad <vinayak.yadawad@broadcom.com>
To:     johannes@sipsolutions.net
Cc:     linux-wireless@vger.kernel.org, jithu.jance@broadcom.com,
        Vinayak Yadawad <vinayak.yadawad@broadcom.com>
Subject: [PATCH 1/1] cfg80211: OWE DH IE handling offload
Date:   Fri, 22 Sep 2023 14:55:51 +0530
Message-Id: <f891cce4b52c939dfc6b71bb2f73e560e8cad287.1695374530.git.vinayak.yadawad@broadcom.com>
MIME-Version: 1.0
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--0000000000009dd6720605ef3262
Content-Transfer-Encoding: 8bit

Introduce new feature flags for OWE offload that driver can
advertise to indicate kernel/application space to avoid DH IE
handling. When this flag is advertised, the driver/device will
take care of DH IE inclusion and processing of peer DH IE to
generate PMK.

Signed-off-by: Vinayak Yadawad <vinayak.yadawad@broadcom.com>
---
 include/uapi/linux/nl80211.h | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 88eb85c63029..5548cccc5c1c 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -334,6 +334,15 @@
  * use %NL80211_CMD_START_AP or similar functions.
  */
 
+/**
+ * DOC: OWE DH IE handling offload
+ *
+ * By setting @NL80211_EXT_FEATURE_OWE_OFFLOAD flag, drivers can indicate
+ * kernel/application space to avoid DH IE handling. When this flag is
+ * advertised, the driver/device will take care of DH IE inclusion and
+ * processing of peer DH IE to generate PMK.
+ */
+
 /**
  * enum nl80211_commands - supported nl80211 commands
  *
@@ -6400,6 +6409,12 @@ enum nl80211_feature_flags {
  *	in authentication and deauthentication frames sent to unassociated peer
  *	using @NL80211_CMD_FRAME.
  *
+ * @NL80211_EXT_FEATURE_OWE_OFFLOAD: Driver/Device wants to do OWE DH IE
+ *	handling in station mode.
+ *
+ * @NL80211_EXT_FEATURE_OWE_OFFLOAD_AP: Driver/Device wants to do OWE DH IE
+ *	handling in AP mode.
+ *
  * @NUM_NL80211_EXT_FEATURES: number of extended features.
  * @MAX_NL80211_EXT_FEATURES: highest extended feature index.
  */
@@ -6471,6 +6486,8 @@ enum nl80211_ext_feature_index {
 	NL80211_EXT_FEATURE_PUNCT,
 	NL80211_EXT_FEATURE_SECURE_NAN,
 	NL80211_EXT_FEATURE_AUTH_AND_DEAUTH_RANDOM_TA,
+	NL80211_EXT_FEATURE_OWE_OFFLOAD,
+	NL80211_EXT_FEATURE_OWE_OFFLOAD_AP,
 
 	/* add new features before the definition below */
 	NUM_NL80211_EXT_FEATURES,
-- 
2.32.0


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