From patchwork Mon May 6 07:04:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miri Korenblit X-Patchwork-Id: 795181 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) (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 B573250263 for ; Mon, 6 May 2024 07:04:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.21 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714979097; cv=none; b=UGkJJTXyFR8MSIVolYNqLOf8WeYJFfT1L6GhjOqj8YGoCWglo2dIC/XciEArBwYInIfr2WtMFEMex3sfnFprLHGuMW435+FS7qpnd6aBPPAzxpBnECL2YCnRKQrjQmHHLt6xno0bT/NjiTR1n2rmRGzZ3E0u1hZc5ek9tJocflQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714979097; c=relaxed/simple; bh=MUQSYQ+lgbOX9qrW52+esnLzPIqOBRUE+0QDq/uu/38=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=rQlpmhawE2gnADwHDzDFq1LFk8n700rOP/Xs6V04Z6aTLHa9uiaH2UveR1jWmtScGi29qByebFgJpoDu0JMS6nunlK5zdy6JBYgntOLKtgK1RudRYs4DD4Lf7aqzzcl0i2b3V3q3OCi1VECVOD8Sh7LH6Q0Ftoc8oLHrZtCRyow= 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=iDUfPf1l; arc=none smtp.client-ip=198.175.65.21 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="iDUfPf1l" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1714979096; x=1746515096; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=MUQSYQ+lgbOX9qrW52+esnLzPIqOBRUE+0QDq/uu/38=; b=iDUfPf1lH/02t23xbTmJCCSoQZgZs3WeGsZ78asb3NcpmKwJXHU1j5nB +JgA7NJIyEtllawhhs+OL9Wx6b1S2ACFTv30dwtFl5Edw5o0h/Kty/9D2 vlqmSRAsDVpyBfBW3DhWttRp0XI7qYpLb7jlPVtsDLJZUjxl5xNkDqCDg AUG5z0kUuFuQIn2KOhC8J7ElN6iUEqs/CPvsjk0E2+0rexanhBfqgD44H euTzGUbrwBYvHY2mrlW0WFa7V9w7h6/jnKjz4B87OzPIpj6LkE9tMZAx0 lUKCvjnaV1to8pKAaoSlqixO4RyCjQKRnC8wSfsmVWlCltRWmy3H1+J/F A==; X-CSE-ConnectionGUID: Qx6viz+RSCC6VbLTa3KscQ== X-CSE-MsgGUID: sIBSejUKSnqaF67G67MwhA== X-IronPort-AV: E=McAfee;i="6600,9927,11064"; a="10638221" X-IronPort-AV: E=Sophos;i="6.07,257,1708416000"; d="scan'208";a="10638221" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 May 2024 00:04:44 -0700 X-CSE-ConnectionGUID: /3oDjQb8Rp+BXAXlKT1G1g== X-CSE-MsgGUID: QqPNvHXyQ5KZ/y+5yw29oQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,257,1708416000"; d="scan'208";a="59264931" Received: from weis0040.iil.intel.com ([10.12.217.108]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 May 2024 00:04:42 -0700 From: Miri Korenblit To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, Benjamin Berg Subject: [PATCH 08/15] wifi: iwlwifi: mvm: add the firmware API for channel survey Date: Mon, 6 May 2024 10:04:12 +0300 Message-Id: <20240506095953.1facde532676.I3864ac4bc0fecb7fd5136e85c07585ab7100234b@changeid> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240506070419.1821330-1-miriam.rachel.korenblit@intel.com> References: <20240506070419.1821330-1-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: Benjamin Berg When requested, the firmware can return per-channel survey information generally used for ACS (automatic channel selection). Add the API for this, which consists of a flag and a new channel survey notification. Signed-off-by: Benjamin Berg Signed-off-by: Miri Korenblit --- .../net/wireless/intel/iwlwifi/fw/api/scan.h | 33 ++++++++++++++++++- drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 1 + 2 files changed, 33 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h b/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h index 93078f8cc08c..6684506f4fc4 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* - * Copyright (C) 2012-2014, 2018-2023 Intel Corporation + * Copyright (C) 2012-2014, 2018-2024 Intel Corporation * Copyright (C) 2013-2015 Intel Mobile Communications GmbH * Copyright (C) 2016-2017 Intel Deutschland GmbH */ @@ -13,6 +13,10 @@ * enum iwl_scan_subcmd_ids - scan commands */ enum iwl_scan_subcmd_ids { + /** + * @CHANNEL_SURVEY_NOTIF: &struct iwl_umac_scan_channel_survey_notif + */ + CHANNEL_SURVEY_NOTIF = 0xFB, /** * @OFFLOAD_MATCH_INFO_NOTIF: &struct iwl_scan_offload_match_info */ @@ -62,6 +66,8 @@ struct iwl_ssid_ie { #define IWL_FAST_SCHED_SCAN_ITERATIONS 3 #define IWL_MAX_SCHED_SCAN_PLANS 2 +#define IWL_MAX_NUM_NOISE_RESULTS 22 + enum scan_framework_client { SCAN_CLIENT_SCHED_SCAN = BIT(0), SCAN_CLIENT_NETDETECT = BIT(1), @@ -642,10 +648,13 @@ enum iwl_umac_scan_general_flags { * notification per channel or not. * @IWL_UMAC_SCAN_GEN_FLAGS2_ALLOW_CHNL_REORDER: Whether to allow channel * reorder optimization or not. + * @IWL_UMAC_SCAN_GEN_FLAGS2_COLLECT_CHANNEL_STATS: Enable channel statistics + * collection when #IWL_UMAC_SCAN_GEN_FLAGS_V2_FORCE_PASSIVE is set. */ enum iwl_umac_scan_general_flags2 { IWL_UMAC_SCAN_GEN_FLAGS2_NOTIF_PER_CHNL = BIT(0), IWL_UMAC_SCAN_GEN_FLAGS2_ALLOW_CHNL_REORDER = BIT(1), + IWL_UMAC_SCAN_GEN_FLAGS2_COLLECT_CHANNEL_STATS = BIT(3), }; /** @@ -1258,4 +1267,26 @@ struct iwl_umac_scan_iter_complete_notif { struct iwl_scan_results_notif results[]; } __packed; /* SCAN_ITER_COMPLETE_NTF_UMAC_API_S_VER_2 */ +/** + * struct iwl_umac_scan_channel_survey_notif - data for survey + * @channel: the channel scanned + * @band: band of channel + * @noise: noise floor measurements in negative dBm, invalid 0xff + * @reserved: for future use and alignment + * @active_time: time in ms the radio was turned on (on the channel) + * @busy_time: time in ms the channel was sensed busy, 0 for a clean channel + * @tx_time: time the radio spent transmitting data + * @rx_time: time the radio spent receiving data + */ +struct iwl_umac_scan_channel_survey_notif { + __le32 channel; + __le32 band; + u8 noise[IWL_MAX_NUM_NOISE_RESULTS]; + u8 reserved[2]; + __le32 active_time; + __le32 busy_time; + __le32 tx_time; + __le32 rx_time; +} __packed; /* SCAN_CHANNEL_SURVEY_NTF_API_S_VER_1 */ + #endif /* __iwl_fw_api_scan_h__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index b27a03207938..c52e69743c80 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -651,6 +651,7 @@ static const struct iwl_hcmd_names iwl_mvm_statistics_names[] = { * Access is done through binary search */ static const struct iwl_hcmd_names iwl_mvm_scan_names[] = { + HCMD_NAME(CHANNEL_SURVEY_NOTIF), HCMD_NAME(OFFLOAD_MATCH_INFO_NOTIF), };