From patchwork Fri Dec 6 05:57:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping-Ke Shih X-Patchwork-Id: 848089 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C905A1B87CF for ; Fri, 6 Dec 2024 05:57:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=211.75.126.72 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733464678; cv=none; b=BjNoQGq2M0mX3AHO2N5Ei1Z3ueYLamIv2tzd+qfZ1FbI+MmG5Zz9P4gIXE9dav6pB6FcoBmT1f2rXjCGa9+c96tCT/70dK0/p1t7tI/M1yCT56E3EkxBSxb/ekoe8DuOqb4B1nqCSGmIGNcsIbJlqs/GN3738ULhyorKID9N7yc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733464678; c=relaxed/simple; bh=XhOiXx0EtMBR15jOu8aYN/7rWzYH6pX/E2PkUtg+QdI=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=LJCIO7n/hxNvOAyzhI9iHiTW2PxDgq3e9Y6vi/zTXucHriWKJG9p7qcp1CIjq2tNl2LYi69RxrBMiw9CvYjaa7feBFKgJe1T2LQbvGxGS2CVfa5cNZDZ6BfLUhwMFOZjRCZytpzTOMoLSjps8M7EM1ehg57pigUdCfnM8spqaJE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realtek.com; spf=pass smtp.mailfrom=realtek.com; dkim=temperror (0-bit key) header.d=realtek.com header.i=@realtek.com header.b=n8vyEWb3; arc=none smtp.client-ip=211.75.126.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realtek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=realtek.com Authentication-Results: smtp.subspace.kernel.org; dkim=temperror (0-bit key) header.d=realtek.com header.i=@realtek.com header.b="n8vyEWb3" X-SpamFilter-By: ArmorX SpamTrap 5.78 with qID 4B65vtqN74127940, This message is accepted by code: ctloc85258 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=realtek.com; s=dkim; t=1733464675; bh=XhOiXx0EtMBR15jOu8aYN/7rWzYH6pX/E2PkUtg+QdI=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Transfer-Encoding:Content-Type; b=n8vyEWb3q6Uar+Zx5xgKd7+ju8rODBI0CKDlQEjKk4rj53zwDwk/GYhVjALQMwBXl 7uiU71AMe3EnnuzlY7uoOADfabYy1f6RPLrYWfAQQNCFE2Vq8ZzAs3iwIcwJoy4LTv yB4kSADSlqeicMEdVtHV8RYQZzO24PzRJRSs+Ew0GkVuOIJffiCq0+PZfQ0Cra9cAp NWPdACthMvI67qHf0LPZnZUZA/cJVB0pjR0L7mMZscQ5c/A40hzM/9Z4vl7HLYtrag F+W8CzsEbDDZDVyoWP0a6ZrKzUr8uXPPIfENWALoFf7CHin+uVLG5g0Hlmm6wEc2hS J9v5AwWXHirag== Received: from mail.realtek.com (rtexh36505.realtek.com.tw[172.21.6.25]) by rtits2.realtek.com.tw (8.15.2/3.06/5.92) with ESMTPS id 4B65vtqN74127940 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Fri, 6 Dec 2024 13:57:55 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXH36505.realtek.com.tw (172.21.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Fri, 6 Dec 2024 13:57:55 +0800 Received: from [127.0.1.1] (172.21.69.94) by RTEXMBS04.realtek.com.tw (172.21.6.97) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.35; Fri, 6 Dec 2024 13:57:54 +0800 From: Ping-Ke Shih To: CC: , , , Subject: [PATCH 5/7] wifi: rtw89: 8852c: disable ER SU when 4x HE-LTF and 0.8 GI capability differ Date: Fri, 6 Dec 2024 13:57:14 +0800 Message-ID: <20241206055716.18598-6-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20241206055716.18598-1-pkshih@realtek.com> References: <20241206055716.18598-1-pkshih@realtek.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: RTEXMBS02.realtek.com.tw (172.21.6.95) To RTEXMBS04.realtek.com.tw (172.21.6.97) From: Kuan-Chung Chen Since hardware only has single one register for HE-LTF setting, to prevent interoperability issues, 8852CE disables ER SU when the AP can handle SU/MU with 4x HE-LTF and 0.8 GI, but does not support ER SU with the same settings. Signed-off-by: Kuan-Chung Chen Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/core.c | 24 ++++++++++++++++++----- drivers/net/wireless/realtek/rtw89/core.h | 10 ++++++++++ 2 files changed, 29 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c index ee6ad185135c..f848185e2ced 100644 --- a/drivers/net/wireless/realtek/rtw89/core.c +++ b/drivers/net/wireless/realtek/rtw89/core.c @@ -3844,6 +3844,22 @@ int rtw89_core_sta_link_disconnect(struct rtw89_dev *rtwdev, return ret; } +static bool rtw89_sta_link_can_er(struct rtw89_dev *rtwdev, + struct ieee80211_bss_conf *bss_conf, + struct ieee80211_link_sta *link_sta) +{ + if (!bss_conf->he_support || + bss_conf->he_oper.params & IEEE80211_HE_OPERATION_ER_SU_DISABLE) + return false; + + if (rtwdev->chip->chip_id == RTL8852C && + rtw89_sta_link_has_su_mu_4xhe08(link_sta) && + !rtw89_sta_link_has_er_su_4xhe08(link_sta)) + return false; + + return true; +} + int rtw89_core_sta_link_assoc(struct rtw89_dev *rtwdev, struct rtw89_vif_link *rtwvif_link, struct rtw89_sta_link *rtwsta_link) @@ -3854,12 +3870,11 @@ int rtw89_core_sta_link_assoc(struct rtw89_dev *rtwdev, rtwsta_link); const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, rtwvif_link->chanctx_idx); + struct ieee80211_link_sta *link_sta; int ret; if (vif->type == NL80211_IFTYPE_AP || sta->tdls) { if (sta->tdls) { - struct ieee80211_link_sta *link_sta; - rcu_read_lock(); link_sta = rtw89_sta_rcu_dereference_link(rtwsta_link, true); @@ -3910,9 +3925,8 @@ int rtw89_core_sta_link_assoc(struct rtw89_dev *rtwdev, rcu_read_lock(); bss_conf = rtw89_vif_rcu_dereference_link(rtwvif_link, true); - if (bss_conf->he_support && - !(bss_conf->he_oper.params & IEEE80211_HE_OPERATION_ER_SU_DISABLE)) - rtwsta_link->er_cap = true; + link_sta = rtw89_sta_rcu_dereference_link(rtwsta_link, true); + rtwsta_link->er_cap = rtw89_sta_link_can_er(rtwdev, bss_conf, link_sta); rcu_read_unlock(); diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h index 15967978bf4a..c2b5eeb4a4f1 100644 --- a/drivers/net/wireless/realtek/rtw89/core.h +++ b/drivers/net/wireless/realtek/rtw89/core.h @@ -6885,6 +6885,16 @@ bool rtw89_sta_link_has_su_mu_4xhe08(struct ieee80211_link_sta *link_sta) return false; } +static inline +bool rtw89_sta_link_has_er_su_4xhe08(struct ieee80211_link_sta *link_sta) +{ + if (link_sta->he_cap.he_cap_elem.phy_cap_info[8] & + IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI) + return true; + + return false; +} + static inline struct rtw89_fw_suit *rtw89_fw_suit_get(struct rtw89_dev *rtwdev, enum rtw89_fw_type type) {