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Fri, 10 Apr 2020 01:02:47 -0800 Received: from MTKMBS02N2.mediatek.inc (172.21.101.101) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 10 Apr 2020 01:55:03 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs02n2.mediatek.inc (172.21.101.101) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 10 Apr 2020 16:55:00 +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; Fri, 10 Apr 2020 16:55:00 +0800 From: Ryder Lee To: Felix Fietkau , Lorenzo Bianconi Subject: [PATCH 10/16] mt76: mt7915: add HE bss_conf support for interfaces Date: Fri, 10 Apr 2020 16:54:47 +0800 Message-ID: <4c91a0ccab5d3738e2a1313b449d8bcfdc204925.1586507878.git.ryder.lee@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: References: MIME-Version: 1.0 X-TM-SNTS-SMTP: CF1E86DD2669DABF03E97C68CCA4289B00A9028C444DB0FA8640293D4BFC39C02000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200410_020255_648055_BBF2DE1C X-CRM114-Status: GOOD ( 11.41 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: YF Luo , Evelyn Tsai , linux-wireless@vger.kernel.org, Sean Wang , Chih-Min Chen , Ryder Lee , Yiwei Chung , linux-mediatek@lists.infradead.org, Shayne Chen Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.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 3cc7b9234e9d..549e1460b184 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;