From patchwork Thu Aug 8 20:22:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miri Korenblit X-Patchwork-Id: 13758172 X-Patchwork-Delegate: johannes@sipsolutions.net Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9B03115B0F4 for ; Thu, 8 Aug 2024 20:23:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.8 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723148595; cv=none; b=cHNJyvE2HFlv0xRK1/blHtFAOsT4uYAE6MFZsr3qYm7ztGU3XcGY1NBiXQmIMPcyXqwInJthcKleDDYCBUObkaZb13N9OtJshNFA0fn5hr5EtNu0hGOO4KO7eOyC1Ir9SHUuXyRtyflyOF3A7VmtykFQv07SB+TfQ41GC/WzIK4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723148595; c=relaxed/simple; bh=zOtFqVJQ6aawOIPvMuMp25drxU1zs7i/FYmUT6N4WR8=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=nEkx0PA4iBU+Z/Arq6QtiQFMFBqo24WmyqU4y2rBOCQtgDIHi7dOoZGSIDNajBFzchcgjH3e+4wneFgC7wP3vXDjdrtoOfrkyi1KgHjg8dWhPsSprh4oB3hXugJZe9MC+O0hVR3bK6CpIe8XwFIvb6GUI66wxvfbQWmqyWKABDQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=iI4DIXUM; arc=none smtp.client-ip=192.198.163.8 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="iI4DIXUM" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1723148594; x=1754684594; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=zOtFqVJQ6aawOIPvMuMp25drxU1zs7i/FYmUT6N4WR8=; b=iI4DIXUMZv0azxQwuOPufHLuC3ufk6+LmQ2Vgvu8addGsh/Xv3l49skg rgLf2vb57yy4HLNObd6J1af0hqlziwIY4jLyHNq8Cng5QAdiATatAx5sz lArlDJuaI9JylX1qj37tZrZuoK6oY10QlRqR2p87Mq4pLgEMn14Q4huNe m1bxbVfizuHMA5SwnexKXQYoweSZPIypvBi3kl9b964slJw0e6zyCv3rK PdAdAhnADyiSibAgkRo6/QFJ+sYdRY/tF60KvHgyCAZ4D//FHGTf3fi2O vzuvhwbjDiRsZ9r1lnJPUpL7WrVT76KDChgj404/AaPEzo+SUsUY5ySpn w==; X-CSE-ConnectionGUID: /S2+uH82SJ6FcHnghU5Z0w== X-CSE-MsgGUID: FKkcMozNTZaYUbYrS40xYg== X-IronPort-AV: E=McAfee;i="6700,10204,11158"; a="38808850" X-IronPort-AV: E=Sophos;i="6.09,274,1716274800"; d="scan'208";a="38808850" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Aug 2024 13:23:13 -0700 X-CSE-ConnectionGUID: oB8pbPquT0uryJ9e9LeI6A== X-CSE-MsgGUID: rprayx8MSkWpA1vtoRZ7wQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,274,1716274800"; d="scan'208";a="57305315" Received: from weis0040.iil.intel.com ([10.12.217.108]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Aug 2024 13:23:11 -0700 From: Miri Korenblit To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, Ilan Peer Subject: [PATCH 08/13] wifi: iwlwifi: mvm: Stop processing MCC update if there was no change Date: Thu, 8 Aug 2024 23:22:44 +0300 Message-Id: <20240808232017.60dd273d00e0.I985b3bc61ca4a6cac7c1d1365b5c0afba04f3031@changeid> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240808202249.4004087-1-miriam.rachel.korenblit@intel.com> References: <20240808202249.4004087-1-miriam.rachel.korenblit@intel.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Organization: Intel Israel (74) Limited From: Ilan Peer When processing a MCC update notification from the firmware, if the firmware indicates that the regulatory configuration didn't change, abort the flow and do not notify higher layers. Signed-off-by: Ilan Peer Signed-off-by: Miri Korenblit --- drivers/net/wireless/intel/iwlwifi/mvm/nvm.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c index 836ca22597bc..80ec59c58ae4 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c @@ -611,6 +611,7 @@ void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, char mcc[3]; struct ieee80211_regdomain *regd; int wgds_tbl_idx; + bool changed = false; lockdep_assert_held(&mvm->mutex); @@ -630,10 +631,15 @@ void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, IWL_DEBUG_LAR(mvm, "RX: received chub update mcc cmd (mcc '%s' src %d)\n", mcc, src); - regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, mcc, src, NULL); + regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, mcc, src, &changed); if (IS_ERR_OR_NULL(regd)) return; + if (!changed) { + IWL_DEBUG_LAR(mvm, "RX: No change in the regulatory data\n"); + goto out; + } + wgds_tbl_idx = iwl_mvm_get_sar_geo_profile(mvm); if (wgds_tbl_idx < 1) IWL_DEBUG_INFO(mvm, @@ -644,5 +650,7 @@ void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, wgds_tbl_idx); regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); + +out: kfree(regd); }