From patchwork Fri Jun 2 23:58:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aloka Dixit X-Patchwork-Id: 688696 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 18909C7EE2E for ; Fri, 2 Jun 2023 23:58:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236643AbjFBX6r (ORCPT ); Fri, 2 Jun 2023 19:58:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53840 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236629AbjFBX6n (ORCPT ); Fri, 2 Jun 2023 19:58:43 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E4DFFE45 for ; Fri, 2 Jun 2023 16:58:41 -0700 (PDT) Received: from pps.filterd (m0279864.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 352NvInG004540; Fri, 2 Jun 2023 23:58:37 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-transfer-encoding : content-type; s=qcppdkim1; bh=HH2ykZGmZ9UM4SXqbLYyE+IdCaHHAOPLFyRbaBg7S3E=; b=YNfTl1gqLUgRhGVvbxmRPu2xYt2R9AFWyw9kayhBXAZK8+hG93pT6UlvmIsgzVMv2aJM rF0Js6oE2CD2pVq7FHqbbrBjSS6LXOWU3Z1tsUVacqbtsq9eyEoU0VWj3COjJ5JUtY/C 6Fj18caf9IcOH9LDlZzAxUFRTbiWj+h/4wzhAZnD+6pzur0Y3X4e1nKa4wCP7hq+/56k G+2GCMzYY4c460+Yn9JvxkT1k26xUJXC3A/GtsGGcGh4KwmC4t/RFoih4e3/fzZOUVjK CXp2eoohxeHoYb8R6usYLDiQb+d77Q1cAzUOSzlFn60UutaEfdsf2tL5Dzsh5lxWDYpk /w== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3qyb6f20pq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 02 Jun 2023 23:58:37 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 352Nwapg003799 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 2 Jun 2023 23:58:36 GMT Received: from alokad-linux.qualcomm.com (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.42; Fri, 2 Jun 2023 16:58:36 -0700 From: Aloka Dixit To: , CC: Aloka Dixit , Pradeep Kumar Chitrapu Subject: [PATCH v4 04/11] wifi: ath12k: propagate EHT capabilities to userspace Date: Fri, 2 Jun 2023 16:58:13 -0700 Message-ID: <20230602235820.23912-5-quic_alokad@quicinc.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230602235820.23912-1-quic_alokad@quicinc.com> References: <20230602235820.23912-1-quic_alokad@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: RmDN8YeSmW5ysnsz5CTAoezAGmiwQfWg X-Proofpoint-ORIG-GUID: RmDN8YeSmW5ysnsz5CTAoezAGmiwQfWg X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.573,FMLib:17.11.176.26 definitions=2023-06-02_18,2023-06-02_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 mlxlogscore=999 clxscore=1015 bulkscore=0 spamscore=0 mlxscore=0 malwarescore=0 suspectscore=0 adultscore=0 phishscore=0 lowpriorityscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2306020189 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Propagate EHT capabilities to the userspace using a new member 'eht_cap' in structure ieee80211_sband_iftype_data. MCS-NSS capabilities are copied depending on the supported bandwidths for the given band. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1 Signed-off-by: Aloka Dixit Signed-off-by: Pradeep Kumar Chitrapu --- v4: No change from v3. v3: No change from v2. v2: No change from v1. drivers/net/wireless/ath/ath12k/mac.c | 128 ++++++++++++++++++++++++++ 1 file changed, 128 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 2eec7e114196..d4e97424dbc1 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -4262,6 +4262,132 @@ static void ath12k_mac_copy_he_cap(struct ath12k_band_cap *band_cap, ath12k_gen_ppe_thresh(&band_cap->he_ppet, he_cap->ppe_thres); } +static void +ath12k_mac_copy_eht_mcs_nss(struct ath12k_band_cap *band_cap, + struct ieee80211_eht_mcs_nss_supp *mcs_nss, + const struct ieee80211_he_cap_elem *he_cap, + const struct ieee80211_eht_cap_elem_fixed *eht_cap) +{ + if ((he_cap->phy_cap_info[0] & + (IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G | + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G | + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G | + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)) == 0) + memcpy(&mcs_nss->only_20mhz, &band_cap->eht_mcs_20_only, + sizeof(struct ieee80211_eht_mcs_nss_supp_20mhz_only)); + + if (he_cap->phy_cap_info[0] & + (IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G | + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)) + memcpy(&mcs_nss->bw._80, &band_cap->eht_mcs_80, + sizeof(struct ieee80211_eht_mcs_nss_supp_bw)); + + if (he_cap->phy_cap_info[0] & + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) + memcpy(&mcs_nss->bw._160, &band_cap->eht_mcs_160, + sizeof(struct ieee80211_eht_mcs_nss_supp_bw)); + + if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ) + memcpy(&mcs_nss->bw._320, &band_cap->eht_mcs_320, + sizeof(struct ieee80211_eht_mcs_nss_supp_bw)); +} + +static void ath12k_mac_copy_eht_ppet_ru(u32 ppet, u8 ppe_thres[], int ru) +{ + int i; + u32 val = 0; + u8 ppet_size_ru = IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2; + u8 bit = IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE; + + u32p_replace_bits(&val, ppet >> (ru * ppet_size_ru), + GENMASK(ppet_size_ru - 1, 0)); + + val = ((val >> IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE) & GENMASK(2, 0)) | + ((val & GENMASK(2, 0)) << IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE); + + for (i = ppet_size_ru - 1; i >= 0; i--) { + ppe_thres[bit / 8] |= (((val >> i) & 0x1) << ((bit % 8))); + bit++; + } +} + +static void ath12k_mac_copy_eht_ppe_thresh(struct ath12k_wmi_ppe_threshold_arg *fw_ppet, + struct ieee80211_sta_eht_cap *cap) +{ + int nss, ru; + u8 len = 0; + + len = hweight8(fw_ppet->ru_bit_mask); + len *= (1 + fw_ppet->numss_m1); + + len = (len * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE) + + IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE; + len = DIV_ROUND_UP(len, 8); + + u8p_replace_bits(&cap->eht_ppe_thres[0], fw_ppet->numss_m1, + IEEE80211_EHT_PPE_THRES_NSS_MASK); + + u16p_replace_bits((u16 *)&cap->eht_ppe_thres[0], fw_ppet->ru_bit_mask, + IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK); + + for (nss = 0; nss <= fw_ppet->numss_m1; nss++) { + for (ru = 0; + ru < hweight8(IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK); + ru++) { + if ((fw_ppet->ru_bit_mask & BIT(ru)) == 0) + continue; + + ath12k_mac_copy_eht_ppet_ru(fw_ppet->ppet16_ppet8_ru3_ru0[nss], + cap->eht_ppe_thres, ru); + } + } +} + +static void ath12k_mac_copy_eht_cap(struct ath12k_band_cap *band_cap, + struct ieee80211_he_cap_elem *he_cap_elem, + int iftype, + struct ieee80211_sta_eht_cap *eht_cap) +{ + struct ieee80211_eht_cap_elem_fixed *eht_cap_elem = &eht_cap->eht_cap_elem; + + memset(eht_cap, 0, sizeof(struct ieee80211_sta_eht_cap)); + eht_cap->has_eht = true; + memcpy(eht_cap_elem->mac_cap_info, band_cap->eht_cap_mac_info, + sizeof(eht_cap_elem->mac_cap_info)); + memcpy(eht_cap_elem->phy_cap_info, band_cap->eht_cap_phy_info, + sizeof(eht_cap_elem->phy_cap_info)); + + switch (iftype) { + case NL80211_IFTYPE_AP: + eht_cap_elem->phy_cap_info[0] &= + ~IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ; + eht_cap_elem->phy_cap_info[4] &= + ~IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO; + eht_cap_elem->phy_cap_info[5] &= + ~IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP; + break; + case NL80211_IFTYPE_STATION: + eht_cap_elem->phy_cap_info[7] &= + ~(IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ | + IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ | + IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ); + eht_cap_elem->phy_cap_info[7] &= + ~(IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ | + IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ | + IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ); + break; + default: + break; + } + + ath12k_mac_copy_eht_mcs_nss(band_cap, &eht_cap->eht_mcs_nss_supp, + he_cap_elem, eht_cap_elem); + + if (eht_cap_elem->phy_cap_info[5] & + IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) + ath12k_mac_copy_eht_ppe_thresh(&band_cap->eht_ppet, eht_cap); +} + static int ath12k_mac_copy_sband_iftype_data(struct ath12k *ar, struct ath12k_pdev_cap *cap, struct ieee80211_sband_iftype_data *data, @@ -4290,6 +4416,8 @@ static int ath12k_mac_copy_sband_iftype_data(struct ath12k *ar, data[idx].he_6ghz_capa.capa = ath12k_mac_setup_he_6ghz_cap(cap, band_cap); } + ath12k_mac_copy_eht_cap(band_cap, &he_cap->he_cap_elem, i, + &data[idx].eht_cap); idx++; }