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From: Miri Korenblit <miriam.rachel.korenblit@intel.com>
To: johannes@sipsolutions.net
Cc: linux-wireless@vger.kernel.org,
	Ilan Peer <ilan.peer@intel.com>
Subject: [PATCH 13/15] wifi: iwlwifi: mvm: Declare support for secure LTF measurement
Date: Mon,  5 Feb 2024 00:06:15 +0200
Message-Id: <20240204235836.f20d2437c06f.I479df8ab543db2d05c413119ad3eb3936cc86294@changeid>
In-Reply-To: <20240204220617.1456895-1-miriam.rachel.korenblit@intel.com>
References: <20240204220617.1456895-1-miriam.rachel.korenblit@intel.com>
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From: Ilan Peer <ilan.peer@intel.com>

Declare support for secure LTF measurement if the FW supports it.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
---
 drivers/net/wireless/intel/iwlwifi/fw/file.h           | 3 ++-
 drivers/net/wireless/intel/iwlwifi/mvm/ftm-responder.c | 6 ++++++
 drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c      | 5 +++++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/fw/file.h b/drivers/net/wireless/intel/iwlwifi/fw/file.h
index b216da7d95fc..b7ef0882dbad 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/file.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h
@@ -385,6 +385,7 @@ typedef unsigned int __bitwise iwl_ucode_tlv_capa_t;
  *	complete to FW.
  * @IWL_UCODE_TLV_CAPA_SPP_AMSDU_SUPPORT: Support SPP (signaling and payload
  *	protected) A-MSDU.
+ * @IWL_UCODE_TLV_CAPA_SECURE_LTF_SUPPORT: Support secure LTF measurement.
  *
  * @NUM_IWL_UCODE_TLV_CAPA: number of bits used
  */
@@ -483,7 +484,7 @@ enum iwl_ucode_tlv_capa {
 	IWL_UCODE_TLV_CAPA_STA_EXP_MFP_SUPPORT		= (__force iwl_ucode_tlv_capa_t)114,
 	IWL_UCODE_TLV_CAPA_SNIFF_VALIDATE_SUPPORT	= (__force iwl_ucode_tlv_capa_t)116,
 	IWL_UCODE_TLV_CAPA_CHINA_22_REG_SUPPORT		= (__force iwl_ucode_tlv_capa_t)117,
-
+	IWL_UCODE_TLV_CAPA_SECURE_LTF_SUPPORT		= (__force iwl_ucode_tlv_capa_t)121,
 	NUM_IWL_UCODE_TLV_CAPA
 /*
  * This construction make both sparse (which cannot increment the previous
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ftm-responder.c b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-responder.c
index f72ca38d7c0e..dca36b0662c7 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ftm-responder.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-responder.c
@@ -349,6 +349,12 @@ int iwl_mvm_ftm_respoder_add_pasn_sta(struct iwl_mvm *mvm,
 	}
 
 	if (hltk && hltk_len) {
+		if (!fw_has_capa(&mvm->fw->ucode_capa,
+				 IWL_UCODE_TLV_CAPA_SECURE_LTF_SUPPORT)) {
+			IWL_ERR(mvm, "No support for secure LTF measurement\n");
+			return -EINVAL;
+		}
+
 		hltk_data.cipher = iwl_mvm_cipher_to_location_cipher(cipher);
 		if (hltk_data.cipher == IWL_LOCATION_CIPHER_INVALID) {
 			IWL_ERR(mvm, "invalid cipher: %u\n", cipher);
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index e62fcfd1a65f..4188957afdf4 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -710,6 +710,11 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
 				  IWL_FW_CMD_VER_UNKNOWN) >= 11) {
 		wiphy_ext_feature_set(hw->wiphy,
 				      NL80211_EXT_FEATURE_PROT_RANGE_NEGO_AND_MEASURE);
+
+		if (fw_has_capa(&mvm->fw->ucode_capa,
+				IWL_UCODE_TLV_CAPA_SECURE_LTF_SUPPORT))
+			wiphy_ext_feature_set(hw->wiphy,
+					      NL80211_EXT_FEATURE_SECURE_LTF);
 	}
 
 	mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
-- 
2.34.1