linux-kernel - [PATCH AUTOSEL 4.19 5/6] wifi: iwlwifi: mvm: fix iwl_mvm_max_scan_ie_fw_cmd

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Message-ID: <20240903192937.1109185-5-sashal@kernel.org>
Date: Tue,  3 Sep 2024 15:29:25 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Daniel Gabay <daniel.gabay@...el.com>,
	Ilan Peer <ilan.peer@...el.com>,
	Miri Korenblit <miriam.rachel.korenblit@...el.com>,
	Johannes Berg <johannes.berg@...el.com>,
	Sasha Levin <sashal@...nel.org>,
	kvalo@...nel.org,
	ayala.beker@...el.com,
	benjamin.berg@...el.com,
	linux-wireless@...r.kernel.org
Subject: [PATCH AUTOSEL 4.19 5/6] wifi: iwlwifi: mvm: fix iwl_mvm_max_scan_ie_fw_cmd_room()

From: Daniel Gabay <daniel.gabay@...el.com>

[ Upstream commit 916a5d9c5354c426220a0a6533a5e8ea1287d6ea ]

Driver creates also the WFA TPC element, consider that in the
calculation.

Signed-off-by: Daniel Gabay <daniel.gabay@...el.com>
Reviewed-by: Ilan Peer <ilan.peer@...el.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@...el.com>
Link: https://patch.msgid.link/20240825191257.e710ce446b7f.I2715c6742e9c3d160e2ba41bc4b35de370d2ce34@changeid
Signed-off-by: Johannes Berg <johannes.berg@...el.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/wireless/intel/iwlwifi/mvm/scan.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
index 16b614cc16ab5..940018a1f0ee7 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
@@ -91,6 +91,8 @@
 /* adaptive dwell default APs number in social channels (1, 6, 11) */
 #define IWL_SCAN_ADWELL_DEFAULT_N_APS_SOCIAL 10
 
+#define WFA_TPC_IE_LEN	9
+
 struct iwl_mvm_scan_timing_params {
 	u32 suspend_time;
 	u32 max_out_time;
@@ -328,8 +330,8 @@ static int iwl_mvm_max_scan_ie_fw_cmd_room(struct iwl_mvm *mvm)
 
 	max_probe_len = SCAN_OFFLOAD_PROBE_REQ_SIZE;
 
-	/* we create the 802.11 header and SSID element */
-	max_probe_len -= 24 + 2;
+	/* we create the 802.11 header SSID element and WFA TPC element */
+	max_probe_len -= 24 + 2 + WFA_TPC_IE_LEN;
 
 	/* DS parameter set element is added on 2.4GHZ band if required */
 	if (iwl_mvm_rrm_scan_needed(mvm))
@@ -727,8 +729,6 @@ static u8 *iwl_mvm_copy_and_insert_ds_elem(struct iwl_mvm *mvm, const u8 *ies,
 	return newpos;
 }
 
-#define WFA_TPC_IE_LEN	9
-
 static void iwl_mvm_add_tpc_report_ie(u8 *pos)
 {
 	pos[0] = WLAN_EID_VENDOR_SPECIFIC;
-- 
2.43.0