From patchwork Fri Apr 10 22:51:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryder Lee X-Patchwork-Id: 11483759 X-Patchwork-Delegate: nbd@nbd.name Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 45A921805 for ; Fri, 10 Apr 2020 22:52:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 20E1F2084D for ; Fri, 10 Apr 2020 22:52:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="S/MzkC7B" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726773AbgDJWwB (ORCPT ); Fri, 10 Apr 2020 18:52:01 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:36971 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726752AbgDJWwB (ORCPT ); Fri, 10 Apr 2020 18:52:01 -0400 X-UUID: 37f13f7ef7e14f7c8d0e1a9de327d143-20200411 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=g1WmRQd0r9iWD3yfGKI1Jh5NIifbDW0R65I5uzUBO5A=; b=S/MzkC7BIczKqK/0FGeAjzFhnZ0wiIqeZySRnW/862G7DJUBlLn94bbQlZBaVsQ4O2va+AmNJYmgjMMUNOPtNFhvsCjxRS/xO9xU4ZlEP34vm6aIX1mt4PaaIwMEw8miCmN5pbUQga0UGUEPiQEujlpITygPBG2vBNnVv3MNC4U=; X-UUID: 37f13f7ef7e14f7c8d0e1a9de327d143-20200411 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 1584833353; Sat, 11 Apr 2020 06:51:54 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs06n2.mediatek.inc (172.21.101.130) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 11 Apr 2020 06:51:52 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sat, 11 Apr 2020 06:51:47 +0800 From: Ryder Lee To: Felix Fietkau , Lorenzo Bianconi CC: Shayne Chen , YF Luo , Yiwei Chung , Chih-Min Chen , Evelyn Tsai , Sean Wang , , , Ryder Lee Subject: [PATCH v1 10/16] mt76: mt7915: add HE bss_conf support for interfaces Date: Sat, 11 Apr 2020 06:51:25 +0800 Message-ID: X-Mailer: git-send-email 2.18.0 In-Reply-To: References: MIME-Version: 1.0 X-TM-SNTS-SMTP: 3D192D8014B568FCD9F8F5F34313C91B109EF6D3748CA02081B7C1CA7AE91F322000:8 X-MTK: N Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Add basic HE BSS's info for interfaces. As for the advanced features will be added gradually in the future patches. (i.e. BSS color, TWT, spatial reuse and OFDMA) Signed-off-by: Ryder Lee Tested-by: Shayne Chen Tested-by: Chih-Min Chen Tested-by: Evelyn Tsai Acked-by: Yiwei Chung Acked-by: YF Luo --- .../net/wireless/mediatek/mt76/mt7915/mcu.c | 89 ++++++++++++++++++- .../net/wireless/mediatek/mt76/mt7915/mcu.h | 11 +++ 2 files changed, 99 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index 89cdf8dca3b0..11cfe11724f9 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -746,6 +746,47 @@ mt7915_mcu_bss_omac_tlv(struct sk_buff *skb, struct ieee80211_vif *vif) omac->hw_bss_idx = idx; } +struct mt7915_he_obss_narrow_bw_ru_data { + bool tolerated; +}; + +static void mt7915_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy, + struct cfg80211_bss *bss, + void *_data) +{ + struct mt7915_he_obss_narrow_bw_ru_data *data = _data; + const struct element *elem; + + elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, bss->ies->data, + bss->ies->len); + + if (!elem || elem->datalen < 10 || + !(elem->data[10] & + WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) + data->tolerated = false; +} + +static bool mt7915_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct mt7915_he_obss_narrow_bw_ru_data iter_data = { + .tolerated = true, + }; + + if (!(vif->bss_conf.chandef.chan->flags & IEEE80211_CHAN_RADAR)) + return false; + + cfg80211_bss_iter(hw->wiphy, &vif->bss_conf.chandef, + mt7915_check_he_obss_narrow_bw_ru_iter, + &iter_data); + + /* + * If there is at least one AP on radar channel that cannot + * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU. + */ + return !iter_data.tolerated; +} + static void mt7915_mcu_bss_rfch_tlv(struct sk_buff *skb, struct ieee80211_vif *vif, struct mt7915_phy *phy) @@ -768,7 +809,20 @@ mt7915_mcu_bss_rfch_tlv(struct sk_buff *skb, struct ieee80211_vif *vif, ch->center_ch1 = ieee80211_frequency_to_channel(freq2); } - ch->he_all_disable = true; + if (vif->bss_conf.he_support && vif->type == NL80211_IFTYPE_STATION) { + struct mt7915_dev *dev = phy->dev; + struct mt76_phy *mphy = &dev->mt76.phy; + bool ext_phy = phy != &dev->phy; + + if (ext_phy && dev->mt76.phy2) + mphy = dev->mt76.phy2; + + ch->he_ru26_block = + mt7915_check_he_obss_narrow_bw_ru(mphy->hw, vif); + ch->he_all_disable = false; + } else { + ch->he_all_disable = true; + } } static void @@ -797,6 +851,36 @@ mt7915_mcu_bss_ra_tlv(struct sk_buff *skb, struct ieee80211_vif *vif, ra->fast_interval = cpu_to_le32(100); } +static void +mt7915_mcu_bss_he_tlv(struct sk_buff *skb, struct ieee80211_vif *vif, + struct mt7915_phy *phy) +{ +#define DEFAULT_HE_PE_DURATION 4 +#define DEFAULT_HE_DURATION_RTS_THRES 1023 + struct cfg80211_chan_def *chandef = &phy->mt76->chandef; + enum nl80211_band band = chandef->chan->band; + struct ieee80211_sta_he_cap *cap; + struct bss_info_he *he; + struct tlv *tlv; + + cap = &phy->dev->iftype[band][vif->type].he_cap; + + tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_HE_BASIC, sizeof(*he)); + + he = (struct bss_info_he *)tlv; + he->he_pe_duration = vif->bss_conf.htc_trig_based_pkt_ext * 4; + if (!he->he_pe_duration) + he->he_pe_duration = DEFAULT_HE_PE_DURATION; + + he->he_rts_thres = cpu_to_le16(vif->bss_conf.frame_time_rts_th * 32); + if (!he->he_rts_thres) + he->he_rts_thres = cpu_to_le16(DEFAULT_HE_DURATION_RTS_THRES); + + he->max_nss_mcs[CMD_HE_MCS_BW80] = cap->he_mcs_nss_supp.tx_mcs_80; + he->max_nss_mcs[CMD_HE_MCS_BW160] = cap->he_mcs_nss_supp.tx_mcs_160; + he->max_nss_mcs[CMD_HE_MCS_BW8080] = cap->he_mcs_nss_supp.tx_mcs_80p80; +} + static void mt7915_mcu_bss_hw_amsdu_tlv(struct sk_buff *skb) { @@ -889,6 +973,9 @@ int mt7915_mcu_add_bss_info(struct mt7915_phy *phy, mt7915_mcu_bss_bmc_tlv(skb, phy); mt7915_mcu_bss_ra_tlv(skb, vif, phy); + if (vif->bss_conf.he_support) + mt7915_mcu_bss_he_tlv(skb, vif, phy); + if (phy->dev->hw_tx_amsdu) mt7915_mcu_bss_hw_amsdu_tlv(skb); diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h index 0563e9321175..b2f37b87117c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h @@ -396,6 +396,17 @@ struct bss_info_ra { __le32 fast_interval; } __packed; + +struct bss_info_he { + __le16 tag; + __le16 len; + u8 he_pe_duration; + u8 vht_op_info_present; + __le16 he_rts_thres; + __le16 max_nss_mcs[CMD_HE_MCS_BW_NUM]; + u8 rsv[6]; +} __packed; + struct bss_info_hw_amsdu { __le16 tag; __le16 len;