From patchwork Thu Mar 28 07:29:16 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Karthikeyan Periyasamy X-Patchwork-Id: 784061 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (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 B305D5427E for ; Thu, 28 Mar 2024 07:30:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711611023; cv=none; b=N7Z2+FOLc541JNqfQfEjVaQA9h6saoE428pPFGm5/xtTds5qPtg/CbXfYiiJ6O/S046TM8NhbuvamFl186LMqJK1N+hbsk/yNCBUG04QuQKvXCUnwc2Zd3hHQ64mW0qJ2gMUDphzNL48Of22fIACvoE5sS7ayspQ5eBXe41vAVg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711611023; c=relaxed/simple; bh=pZrxSuKWz5Z3mCUoHB7BqLhhk76yUNAi2dwuOA8WZfY=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ozsmtt9Gepw5O4BrBbfM9VyHgmgmq/C8nqoRTIDs+q57M7eBgUuHfXOuMuk3oa1C7qLALP2PAJKPDuHgjjsbtDzplDjNwkA+GHAzPAYGW14BiLexZHv2rGPx8/mp7PZAnVYC8uQ+pH0MH18WjhR4WGMQ7GHlHVmejZpNtbv1jAw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=E1ovLLg5; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="E1ovLLg5" Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 42S7EZd1019132; Thu, 28 Mar 2024 07:30:15 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=+RIBdnw0vwx2Tq+khsrWtyptD39yTzsKamSP4/IYk0Q=; b=E1 ovLLg5dxRV4YAePyLTus+Fv4EtHtn2FXHhCpd89IKhw3OLwIe45vqJodM8iyyjYu T9jW+3oqS6g30ZwDqZ32YJS6uEYqtrei5lrgMOUB0QSATuwsXfE+4s11APdA/Tp/ Bzo7mL+Oo+F43GbV4RkfChac/tWs7ew8UNd3XWeSumGpV38uEH/yaxDuyA+sXq1T DZCNA2RAOUs49N+CYALqMlEmCu6Nioyy//irh6irMDw3si4pYm6zjUloMIhUNxsD KixoIzvTynr+hb/za0rzldSWWv+dJmQubY2g/Nb9Sg0DlF3letQ9ZIZ1auX2DlEX upfDOb8ce/bC6rc18kQw== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3x4u1wt9f1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 28 Mar 2024 07:30:14 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 42S7UEJG000713 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 28 Mar 2024 07:30:14 GMT Received: from hu-periyasa-blr.qualcomm.com (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; Thu, 28 Mar 2024 00:30:11 -0700 From: Karthikeyan Periyasamy To: , CC: , Harshitha Prem , Karthikeyan Periyasamy Subject: [PATCH 13/13] wifi: ath12k: Advertise multi hardware iface combination Date: Thu, 28 Mar 2024 12:59:16 +0530 Message-ID: <20240328072916.1164195-14-quic_periyasa@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240328072916.1164195-1-quic_periyasa@quicinc.com> References: <20240328072916.1164195-1-quic_periyasa@quicinc.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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-ORIG-GUID: ZwcF98HMWFacUr1UTBOD1GHNB5JqPeF6 X-Proofpoint-GUID: ZwcF98HMWFacUr1UTBOD1GHNB5JqPeF6 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-03-28_06,2024-03-27_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 adultscore=0 malwarescore=0 impostorscore=0 mlxscore=0 clxscore=1015 priorityscore=1501 bulkscore=0 suspectscore=0 lowpriorityscore=0 spamscore=0 mlxlogscore=746 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2403210001 definitions=main-2403280048 From: Harshitha Prem The prerequisite for MLO support in cfg80211/mac80211 requires that all the links participating in MLO belong to the same wiphy/ieee80211_hw. The driver needs to group multiple discrete hardware each acting as a link in MLO, under one wiphy. Consequently, the driver advertises multi hardware interface combination capabilities with a list of supported frequencies. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00188-QCAHKSWPL_SILICONZ-1 Signed-off-by: Harshitha Prem Co-developed-by: Karthikeyan Periyasamy Signed-off-by: Karthikeyan Periyasamy --- drivers/net/wireless/ath/ath12k/mac.c | 128 +++++++++++++++++++++++++- 1 file changed, 127 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 44c8bf6eb6ae..3d0cae8d883a 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -7781,10 +7781,126 @@ static bool ath12k_mac_is_iface_mode_enable(struct ath12k_hw *ah, return is_enable; } +static +struct ieee80211_chans_per_hw *ath12k_setup_per_hw_chan(struct ath12k *ar) +{ + struct ieee80211_chans_per_hw *chans; + struct ieee80211_supported_band *band; + + if (ar->pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) + band = &ar->mac.sbands[NL80211_BAND_2GHZ]; + else if (ar->pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP && + !ar->supports_6ghz) + band = &ar->mac.sbands[NL80211_BAND_5GHZ]; + else if (ar->pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP && + ar->supports_6ghz) + band = &ar->mac.sbands[NL80211_BAND_6GHZ]; + + chans = kzalloc(struct_size(chans, chans, band->n_channels), + GFP_KERNEL); + if (!chans) + return NULL; + + memcpy(chans->chans, band->channels, + sizeof(*band->channels) * band->n_channels); + chans->n_chans = band->n_channels; + + return chans; +} + +static void ath12k_mac_cleanup_hw_channels(struct ath12k_hw *ah) +{ + struct wiphy *wiphy = ah->hw->wiphy; + int i; + + for (i = 0; i < ah->num_radio; i++) + kfree(wiphy->hw_chans[i]); + + kfree(wiphy->hw_chans); +} + +static int +ath12k_mac_setup_hw_channels(struct ath12k_hw *ah) +{ + struct wiphy *wiphy = ah->hw->wiphy; + int i, ret; + + wiphy->hw_chans = kcalloc(ah->num_radio, sizeof(*wiphy->hw_chans), + GFP_KERNEL); + if (!wiphy->hw_chans) + return -ENOMEM; + + for (i = 0; i < ah->num_radio; i++) { + wiphy->hw_chans[i] = ath12k_setup_per_hw_chan(&ah->radio[i]); + if (!wiphy->hw_chans[i]) { + ret = -ENOMEM; + goto cleanup_hw_chan; + } + } + + wiphy->num_hw = ah->num_radio; + + return 0; + +cleanup_hw_chan: + for (i = i - 1; i >= 0; i--) + kfree(wiphy->hw_chans[i]); + + kfree(wiphy->hw_chans); + + return ret; +} + +static void +ath12k_mac_cleanup_per_hw_iface_comb(struct ath12k_hw *ah) +{ + struct wiphy *wiphy = ah->hw->wiphy; + + ath12k_mac_cleanup_hw_channels(ah); + + kfree(wiphy->iface_combinations[0].iface_hw_list); +} + +static int +ath12k_mac_setup_per_hw_iface_comb(struct ath12k_hw *ah, + struct ieee80211_iface_combination *comb) +{ + struct ieee80211_iface_per_hw *iface_hw; + struct ieee80211_hw *hw = ah->hw; + int i, ret; + + ret = ath12k_mac_setup_hw_channels(ah); + if (ret) + return ret; + + iface_hw = kcalloc(ah->num_radio, sizeof(*iface_hw), GFP_KERNEL); + if (!iface_hw) { + ath12k_mac_cleanup_hw_channels(ah); + return -ENOMEM; + } + + for (i = 0; i < ah->num_radio; i++) { + iface_hw[i].hw_chans_idx = i; + iface_hw[i].num_different_channels = + comb->num_different_channels; + iface_hw[i].max_interfaces = comb->max_interfaces; + iface_hw[i].limits = comb->limits; + iface_hw[i].n_limits = comb->n_limits; + } + + comb->iface_hw_list = iface_hw; + comb->n_hw_list = hw->wiphy->num_hw; + + return 0; +} + static void ath12k_mac_cleanup_iface_combinations(struct ath12k_hw *ah) { struct wiphy *wiphy = ah->hw->wiphy; + if (ah->num_radio > 1) + ath12k_mac_cleanup_per_hw_iface_comb(ah); + kfree(wiphy->iface_combinations[0].limits); kfree(wiphy->iface_combinations); } @@ -7794,7 +7910,7 @@ static int ath12k_mac_setup_iface_combinations(struct ath12k_hw *ah) struct wiphy *wiphy = ah->hw->wiphy; struct ieee80211_iface_combination *combinations; struct ieee80211_iface_limit *limits; - int n_limits, max_interfaces; + int n_limits, max_interfaces, ret; bool ap, mesh, p2p; ap = ath12k_mac_is_iface_mode_enable(ah, NL80211_IFTYPE_AP); @@ -7857,6 +7973,16 @@ static int ath12k_mac_setup_iface_combinations(struct ath12k_hw *ah) BIT(NL80211_CHAN_WIDTH_40) | BIT(NL80211_CHAN_WIDTH_80); + if (ah->num_radio > 1) { + ret = ath12k_mac_setup_per_hw_iface_comb(ah, combinations); + if (ret) { + kfree(limits); + kfree(combinations); + + return ret; + } + } + wiphy->iface_combinations = combinations; wiphy->n_iface_combinations = 1;