From patchwork Wed Nov 22 09:15:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Baochen Qiang X-Patchwork-Id: 746418 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 02D4CC61DF5 for ; Wed, 22 Nov 2023 09:16:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235151AbjKVJQb (ORCPT ); Wed, 22 Nov 2023 04:16:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52908 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235141AbjKVJQ3 (ORCPT ); Wed, 22 Nov 2023 04:16:29 -0500 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0833083 for ; Wed, 22 Nov 2023 01:16:24 -0800 (PST) Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3AM5W8u8015327; Wed, 22 Nov 2023 09:16:20 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type : content-transfer-encoding; s=qcppdkim1; bh=+iPpuEpB09Gap3U7mrdsioDubRd0xsofA+QRm2ReXt4=; b=gZ0bvjtGZaT1WSPe1Jjmc1LM7TRYp2wq1DnsQJLolST3Modm3JCo9uzWw9fC0lHWEiMn ipV+8Y88exj1zd3V0FjPhhk3AjC056Oisg51QPn3krKC6kKBMx4fTQ00R227d8udB8Cq kMTbTAHiZKqG9RBLEb61Yc0dzqjrB905X0eiDXEKzoIWmHeF9q4TZCL1u38dNCs+wVqw i00bZ4Mmnawe8vh4797t3XdenlRhxC15QniDDC8eOCiVIZizKUo9eCIJNVKrdsPw4lwA +P1gh9X+eAZjHzugs9Cq2Ek/LQ07xzK/hTbW2Isz0rm2t/jwk1KGw0J1BONyohqhd9IZ sw== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3uhbjvgnuv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 22 Nov 2023 09:16:20 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 3AM9GJ2a008128 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 22 Nov 2023 09:16:19 GMT Received: from bqiang-Celadon-RN.lan (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Wed, 22 Nov 2023 01:16:18 -0800 From: Baochen Qiang To: CC: Subject: [PATCH v7 07/12] wifi: ath11k: add parse of transmit power envelope element Date: Wed, 22 Nov 2023 17:15:48 +0800 Message-ID: <20231122091553.10837-8-quic_bqiang@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231122091553.10837-1-quic_bqiang@quicinc.com> References: <20231122091553.10837-1-quic_bqiang@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: vFaOIhIYvlCrMEP348b-l4adIKHcYg7x X-Proofpoint-ORIG-GUID: vFaOIhIYvlCrMEP348b-l4adIKHcYg7x X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-22_06,2023-11-21_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 malwarescore=0 spamscore=0 impostorscore=0 lowpriorityscore=0 mlxlogscore=999 suspectscore=0 adultscore=0 mlxscore=0 phishscore=0 bulkscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2311220064 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Wen Gong The transmit power envelope element has some fields for power, ath11k should parse it according to IEEE Std 802.11ax™‐2021. Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.23 Signed-off-by: Wen Gong Acked-by: Jeff Johnson --- v7: no change. drivers/net/wireless/ath/ath11k/core.h | 38 +++++ drivers/net/wireless/ath/ath11k/mac.c | 185 +++++++++++++++++++++++++ 2 files changed, 223 insertions(+) diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h index 2886c5f8cb80..c5640be76514 100644 --- a/drivers/net/wireless/ath/ath11k/core.h +++ b/drivers/net/wireless/ath/ath11k/core.h @@ -314,6 +314,43 @@ struct ath11k_rekey_data { bool enable_offload; }; +/** + * struct chan_power_info - TPE containing power info per channel chunk + * @chan_cfreq: channel center freq (MHz) + * e.g. + * channel 37/20 MHz, it is 6135 + * channel 37/40 MHz, it is 6125 + * channel 37/80 MHz, it is 6145 + * channel 37/160 MHz, it is 6185 + * @tx_power: transmit power (dBm) + */ +struct chan_power_info { + u16 chan_cfreq; + s8 tx_power; +}; + +/** + * struct reg_tpc_power_info - regulatory TPC power info + * @is_psd_power: is PSD power or not + * @eirp_power: Maximum EIRP power (dBm), valid only if power is PSD + * @ap_power_type: type of power (SP/LPI/VLP) + * @num_pwr_levels: number of power levels + * @reg_max: Array of maximum TX power (dBm) per PSD value + * @ap_constraint_power: AP constraint power (dBm) + * @tpe: TPE values processed from TPE IE + * @chan_power_info: power info to send to firmware + */ +struct ath11k_reg_tpc_power_info { + bool is_psd_power; + u8 eirp_power; + enum wmi_reg_6ghz_ap_type ap_power_type; + u8 num_pwr_levels; + u8 reg_max[IEEE80211_MAX_NUM_PWR_LEVEL]; + u8 ap_constraint_power; + s8 tpe[IEEE80211_MAX_NUM_PWR_LEVEL]; + struct chan_power_info chan_power_info[IEEE80211_MAX_NUM_PWR_LEVEL]; +}; + struct ath11k_vif { u32 vdev_id; enum wmi_vdev_type vdev_type; @@ -372,6 +409,7 @@ struct ath11k_vif { #ifdef CONFIG_ATH11K_DEBUGFS struct dentry *debugfs_twt; #endif /* CONFIG_ATH11K_DEBUGFS */ + struct ath11k_reg_tpc_power_info reg_tpc_info; }; struct ath11k_vif_iter { diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index b6ca6fb801f8..7707aec48c1d 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -7602,6 +7602,189 @@ static int ath11k_start_vdev_delay(struct ieee80211_hw *hw, return 0; } +static u8 ath11k_mac_get_tpe_count(u8 txpwr_intrprt, u8 txpwr_cnt) +{ + switch (txpwr_intrprt) { + /* Refer "Table 9-276-Meaning of Maximum Transmit Power Count subfield + * if the Maximum Transmit Power Interpretation subfield is 0 or 2" of + * "IEEE Std 802.11ax 2021". + */ + case IEEE80211_TPE_LOCAL_EIRP: + case IEEE80211_TPE_REG_CLIENT_EIRP: + txpwr_cnt = txpwr_cnt <= 3 ? txpwr_cnt : 3; + txpwr_cnt = txpwr_cnt + 1; + break; + /* Refer "Table 9-277-Meaning of Maximum Transmit Power Count subfield + * if Maximum Transmit Power Interpretation subfield is 1 or 3" of + * "IEEE Std 802.11ax 2021". + */ + case IEEE80211_TPE_LOCAL_EIRP_PSD: + case IEEE80211_TPE_REG_CLIENT_EIRP_PSD: + txpwr_cnt = txpwr_cnt <= 4 ? txpwr_cnt : 4; + txpwr_cnt = txpwr_cnt ? (BIT(txpwr_cnt - 1)) : 1; + break; + } + + return txpwr_cnt; +} + +static u8 ath11k_mac_get_num_pwr_levels(struct cfg80211_chan_def *chan_def) +{ + if (chan_def->chan->flags & IEEE80211_CHAN_PSD) { + switch (chan_def->width) { + case NL80211_CHAN_WIDTH_20: + return 1; + case NL80211_CHAN_WIDTH_40: + return 2; + case NL80211_CHAN_WIDTH_80: + return 4; + case NL80211_CHAN_WIDTH_80P80: + case NL80211_CHAN_WIDTH_160: + return 8; + default: + return 1; + } + } else { + switch (chan_def->width) { + case NL80211_CHAN_WIDTH_20: + return 1; + case NL80211_CHAN_WIDTH_40: + return 2; + case NL80211_CHAN_WIDTH_80: + return 3; + case NL80211_CHAN_WIDTH_80P80: + case NL80211_CHAN_WIDTH_160: + return 4; + default: + return 1; + } + } +} + +static void ath11k_mac_parse_tx_pwr_env(struct ath11k *ar, + struct ieee80211_vif *vif, + struct ieee80211_chanctx_conf *ctx) +{ + struct ath11k_base *ab = ar->ab; + struct ath11k_vif *arvif = (void *)vif->drv_priv; + struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; + struct ieee80211_tx_pwr_env *single_tpe; + enum wmi_reg_6ghz_client_type client_type; + struct cur_regulatory_info *reg_info; + int i; + u8 pwr_count, pwr_interpret, pwr_category; + u8 psd_index = 0, non_psd_index = 0, local_tpe_count = 0, reg_tpe_count = 0; + bool use_local_tpe, non_psd_set = false, psd_set = false; + + reg_info = &ab->reg_info_store[ar->pdev_idx]; + client_type = reg_info->client_type; + + for (i = 0; i < bss_conf->tx_pwr_env_num; i++) { + single_tpe = &bss_conf->tx_pwr_env[i]; + pwr_category = u8_get_bits(single_tpe->tx_power_info, + IEEE80211_TX_PWR_ENV_INFO_CATEGORY); + pwr_interpret = u8_get_bits(single_tpe->tx_power_info, + IEEE80211_TX_PWR_ENV_INFO_INTERPRET); + + if (pwr_category == client_type) { + if (pwr_interpret == IEEE80211_TPE_LOCAL_EIRP || + pwr_interpret == IEEE80211_TPE_LOCAL_EIRP_PSD) + local_tpe_count++; + else if (pwr_interpret == IEEE80211_TPE_REG_CLIENT_EIRP || + pwr_interpret == IEEE80211_TPE_REG_CLIENT_EIRP_PSD) + reg_tpe_count++; + } + } + + if (!reg_tpe_count && !local_tpe_count) { + ath11k_warn(ab, + "no transmit power envelope match client power type %d\n", + client_type); + return; + } else if (!reg_tpe_count) { + use_local_tpe = true; + } else { + use_local_tpe = false; + } + + for (i = 0; i < bss_conf->tx_pwr_env_num; i++) { + single_tpe = &bss_conf->tx_pwr_env[i]; + pwr_category = u8_get_bits(single_tpe->tx_power_info, + IEEE80211_TX_PWR_ENV_INFO_CATEGORY); + pwr_interpret = u8_get_bits(single_tpe->tx_power_info, + IEEE80211_TX_PWR_ENV_INFO_INTERPRET); + + if (pwr_category != client_type) + continue; + + /* get local transmit power envelope */ + if (use_local_tpe) { + if (pwr_interpret == IEEE80211_TPE_LOCAL_EIRP) { + non_psd_index = i; + non_psd_set = true; + } else if (pwr_interpret == IEEE80211_TPE_LOCAL_EIRP_PSD) { + psd_index = i; + psd_set = true; + } + /* get regulatory transmit power envelope */ + } else { + if (pwr_interpret == IEEE80211_TPE_REG_CLIENT_EIRP) { + non_psd_index = i; + non_psd_set = true; + } else if (pwr_interpret == IEEE80211_TPE_REG_CLIENT_EIRP_PSD) { + psd_index = i; + psd_set = true; + } + } + } + + if (non_psd_set && !psd_set) { + single_tpe = &bss_conf->tx_pwr_env[non_psd_index]; + pwr_count = u8_get_bits(single_tpe->tx_power_info, + IEEE80211_TX_PWR_ENV_INFO_COUNT); + pwr_interpret = u8_get_bits(single_tpe->tx_power_info, + IEEE80211_TX_PWR_ENV_INFO_INTERPRET); + arvif->reg_tpc_info.is_psd_power = false; + arvif->reg_tpc_info.eirp_power = 0; + + arvif->reg_tpc_info.num_pwr_levels = + ath11k_mac_get_tpe_count(pwr_interpret, pwr_count); + for (i = 0; i < arvif->reg_tpc_info.num_pwr_levels; i++) { + ath11k_dbg(ab, ATH11K_DBG_MAC, + "non PSD power[%d] : %d\n", + i, single_tpe->tx_power[i]); + arvif->reg_tpc_info.tpe[i] = single_tpe->tx_power[i] / 2; + } + } + + if (psd_set) { + single_tpe = &bss_conf->tx_pwr_env[psd_index]; + pwr_count = u8_get_bits(single_tpe->tx_power_info, + IEEE80211_TX_PWR_ENV_INFO_COUNT); + pwr_interpret = u8_get_bits(single_tpe->tx_power_info, + IEEE80211_TX_PWR_ENV_INFO_INTERPRET); + arvif->reg_tpc_info.is_psd_power = true; + + if (pwr_count == 0) { + ath11k_dbg(ab, ATH11K_DBG_MAC, + "TPE PSD power : %d\n", single_tpe->tx_power[0]); + arvif->reg_tpc_info.num_pwr_levels = + ath11k_mac_get_num_pwr_levels(&ctx->def); + for (i = 0; i < arvif->reg_tpc_info.num_pwr_levels; i++) + arvif->reg_tpc_info.tpe[i] = single_tpe->tx_power[0] / 2; + } else { + arvif->reg_tpc_info.num_pwr_levels = + ath11k_mac_get_tpe_count(pwr_interpret, pwr_count); + for (i = 0; i < arvif->reg_tpc_info.num_pwr_levels; i++) { + ath11k_dbg(ab, ATH11K_DBG_MAC, + "TPE PSD power[%d] : %d\n", + i, single_tpe->tx_power[i]); + arvif->reg_tpc_info.tpe[i] = single_tpe->tx_power[i] / 2; + } + } + } +} + static int ath11k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, @@ -7634,6 +7817,8 @@ ath11k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw, goto out; } ath11k_reg_handle_chan_list(ab, reg_info, power_type); + + ath11k_mac_parse_tx_pwr_env(ar, vif, ctx); } /* for QCA6390 bss peer must be created before vdev_start */