From patchwork Mon Mar 7 03:11:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: MeiChia Chiu X-Patchwork-Id: 549215 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 35AB8C433F5 for ; Mon, 7 Mar 2022 03:12:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234982AbiCGDMz (ORCPT ); Sun, 6 Mar 2022 22:12:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50364 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234955AbiCGDMt (ORCPT ); Sun, 6 Mar 2022 22:12:49 -0500 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F298338BCB for ; Sun, 6 Mar 2022 19:11:51 -0800 (PST) X-UUID: 0dd586dc56d44233bd329924706aeb41-20220307 X-UUID: 0dd586dc56d44233bd329924706aeb41-20220307 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 486278839; Mon, 07 Mar 2022 11:11:45 +0800 Received: from mtkexhb01.mediatek.inc (172.21.101.102) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 7 Mar 2022 11:11:45 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkexhb01.mediatek.inc (172.21.101.102) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 7 Mar 2022 11:11:44 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 7 Mar 2022 11:11:44 +0800 From: MeiChia Chiu To: Felix Fietkau CC: Lorenzo Bianconi , Shayne Chen , Evelyn Tsai , Ryder Lee , , , MeiChia Chiu , Shayne Chen , "Peter Chiu" , Money Wang Subject: [PATCH v2 2/4] mt76: mt7915: add 6 GHz support Date: Mon, 7 Mar 2022 11:11:23 +0800 Message-ID: <20220307031125.2585-2-MeiChia.Chiu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220307031125.2585-1-MeiChia.Chiu@mediatek.com> References: <20220307031125.2585-1-MeiChia.Chiu@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Basic 6 GHz support is added to mt76. Modification includes: 1. Add 6 GHz E2P definition 2. Register 6 GHz HE cap 3. Refactor existing code of adding a STA This adds support for Wi-Fi 6E on MT7986/MT7916. Detailed link: https://www.mediatek.com/products/mediatek-filogic-830 Detailed link: https://www.mediatek.com/products/products/broadband-wifi/mediatek-filogic-630 Reviewed-by: Ryder Lee Signed-off-by: Shayne Chen Signed-off-by: Peter Chiu Signed-off-by: Money Wang Signed-off-by: MeiChia Chiu --- v2: update commit message avoid open-coded for 6G cap --- .../wireless/mediatek/mt76/mt7915/eeprom.c | 21 ++++++++++++-- .../wireless/mediatek/mt76/mt7915/eeprom.h | 7 +++++ .../net/wireless/mediatek/mt76/mt7915/init.c | 28 +++++++++++++++++-- .../net/wireless/mediatek/mt76/mt7915/mac.c | 12 +++++--- .../net/wireless/mediatek/mt76/mt7915/mcu.c | 28 ++++++++++++++++--- .../wireless/mediatek/mt76/mt7915/mt7915.h | 2 +- .../wireless/mediatek/mt76/mt7915/testmode.c | 4 +++ 7 files changed, 88 insertions(+), 14 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c index 0fa539479aa7..136a6adab3df 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c @@ -135,9 +135,24 @@ static void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy) val = eeprom[MT_EE_WIFI_CONF + phy->band_idx]; val = FIELD_GET(MT_EE_WIFI_CONF0_BAND_SEL, val); - if (val == MT_EE_BAND_SEL_DEFAULT && - (!is_mt7915(&dev->mt76) || dev->dbdc_support)) - val = phy->band_idx ? MT_EE_BAND_SEL_5GHZ : MT_EE_BAND_SEL_2GHZ; + + if (!is_mt7915(&dev->mt76)) { + switch (val) { + case MT_EE_V2_BAND_SEL_5GHZ: + phy->mt76->cap.has_5ghz = true; + return; + case MT_EE_V2_BAND_SEL_6GHZ: + phy->mt76->cap.has_6ghz = true; + return; + case MT_EE_V2_BAND_SEL_5GHZ_6GHZ: + phy->mt76->cap.has_5ghz = true; + phy->mt76->cap.has_6ghz = true; + return; + default: + phy->mt76->cap.has_2ghz = true; + return; + } + } switch (val) { case MT_EE_BAND_SEL_5GHZ: diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h index 5ffc56bb5c51..5dad5b0b5ac6 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h @@ -76,6 +76,13 @@ enum mt7915_eeprom_band { MT_EE_BAND_SEL_DUAL, }; +enum { + MT_EE_V2_BAND_SEL_2GHZ, + MT_EE_V2_BAND_SEL_5GHZ, + MT_EE_V2_BAND_SEL_6GHZ, + MT_EE_V2_BAND_SEL_5GHZ_6GHZ, +}; + enum mt7915_sku_rate_group { SKU_CCK, SKU_OFDM, diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c index fd16d777f2e4..9a696687d61c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c @@ -872,7 +872,7 @@ mt7915_init_he_caps(struct mt7915_phy *phy, enum nl80211_band band, if (band == NL80211_BAND_2GHZ) he_cap_elem->phy_cap_info[0] = IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; - else if (band == NL80211_BAND_5GHZ) + else he_cap_elem->phy_cap_info[0] = IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G | IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G | @@ -911,7 +911,7 @@ mt7915_init_he_caps(struct mt7915_phy *phy, enum nl80211_band band, if (band == NL80211_BAND_2GHZ) he_cap_elem->phy_cap_info[0] |= IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G; - else if (band == NL80211_BAND_5GHZ) + else he_cap_elem->phy_cap_info[0] |= IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G; @@ -961,6 +961,21 @@ mt7915_init_he_caps(struct mt7915_phy *phy, enum nl80211_band band, u8_encode_bits(IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US, IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); } + + if (band == NL80211_BAND_6GHZ) { + u16 cap = IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS | + IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS; + + cap |= u16_encode_bits(IEEE80211_HT_MPDU_DENSITY_8, + IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START) | + u16_encode_bits(IEEE80211_VHT_MAX_AMPDU_1024K, + IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP) | + u16_encode_bits(IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454, + IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN); + + data[idx].he_6ghz_capa.capa = cpu_to_le16(cap); + } + idx++; } @@ -990,6 +1005,15 @@ void mt7915_set_stream_he_caps(struct mt7915_phy *phy) band->iftype_data = data; band->n_iftype_data = n; } + + if (phy->mt76->cap.has_6ghz) { + data = phy->iftype[NL80211_BAND_6GHZ]; + n = mt7915_init_he_caps(phy, NL80211_BAND_6GHZ, data); + + band = &phy->mt76->sband_6g.sband; + band->iftype_data = data; + band->n_iftype_data = n; + } } static void mt7915_unregister_ext_phy(struct mt7915_dev *dev) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c index 1da551f0b389..f3f48e7fc593 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c @@ -638,6 +638,8 @@ mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb) status->band = mphy->chandef.chan->band; if (status->band == NL80211_BAND_5GHZ) sband = &mphy->sband_5g.sband; + else if (status->band == NL80211_BAND_6GHZ) + sband = &mphy->sband_6g.sband; else sband = &mphy->sband_2g.sband; @@ -1350,7 +1352,7 @@ mt7915_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi) u16 fc, tid; u32 val; - if (!sta || !sta->ht_cap.ht_supported) + if (!sta || !(sta->ht_cap.ht_supported || sta->he_cap.has_he)) return; tid = FIELD_GET(MT_TXD1_TID, le32_to_cpu(txwi[1])); @@ -1558,6 +1560,8 @@ mt7915_mac_add_txs_skb(struct mt7915_dev *dev, struct mt76_wcid *wcid, int pid, if (mphy->chandef.chan->band == NL80211_BAND_5GHZ) sband = &mphy->sband_5g.sband; + else if (mphy->chandef.chan->band == NL80211_BAND_6GHZ) + sband = &mphy->sband_6g.sband; else sband = &mphy->sband_2g.sband; @@ -1803,7 +1807,7 @@ void mt7915_mac_set_timing(struct mt7915_phy *phy) u32 ofdm = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, 60) | FIELD_PREP(MT_TIMEOUT_VAL_CCA, 28); int offset; - bool is_5ghz = phy->mt76->chandef.chan->band == NL80211_BAND_5GHZ; + bool a_band = !(phy->mt76->chandef.chan->band == NL80211_BAND_2GHZ); if (!test_bit(MT76_STATE_RUNNING, &phy->mt76->state)) return; @@ -1823,7 +1827,7 @@ void mt7915_mac_set_timing(struct mt7915_phy *phy) mt76_wr(dev, MT_TMAC_CDTR(phy->band_idx), cck + reg_offset); mt76_wr(dev, MT_TMAC_ODTR(phy->band_idx), ofdm + reg_offset); mt76_wr(dev, MT_TMAC_ICR0(phy->band_idx), - FIELD_PREP(MT_IFS_EIFS_OFDM, is_5ghz ? 84 : 78) | + FIELD_PREP(MT_IFS_EIFS_OFDM, a_band ? 84 : 78) | FIELD_PREP(MT_IFS_RIFS, 2) | FIELD_PREP(MT_IFS_SIFS, 10) | FIELD_PREP(MT_IFS_SLOT, phy->slottime)); @@ -1831,7 +1835,7 @@ void mt7915_mac_set_timing(struct mt7915_phy *phy) mt76_wr(dev, MT_TMAC_ICR1(phy->band_idx), FIELD_PREP(MT_IFS_EIFS_CCK, 314)); - if (phy->slottime < 20 || is_5ghz) + if (phy->slottime < 20 || a_band) val = MT7915_CFEND_RATE_DEFAULT; else val = MT7915_CFEND_RATE_11B; diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index 77bf3d94782b..1bc86a289e8c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -987,6 +987,9 @@ mt7915_mcu_sta_ht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta) struct sta_rec_ht *ht; struct tlv *tlv; + if (!sta->ht_cap.ht_supported) + return; + tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HT, sizeof(*ht)); ht = (struct sta_rec_ht *)tlv; @@ -1267,6 +1270,9 @@ mt7915_mcu_sta_bfer_tlv(struct mt7915_dev *dev, struct sk_buff *skb, }; bool ebf; + if (!(sta->ht_cap.ht_supported || sta->he_cap.has_he)) + return; + ebf = mt7915_is_ebf_supported(phy, vif, sta, false); if (!ebf && !dev->ibf) return; @@ -1327,6 +1333,9 @@ mt7915_mcu_sta_bfee_tlv(struct mt7915_dev *dev, struct sk_buff *skb, struct tlv *tlv; u8 nrow = 0; + if (!(sta->vht_cap.vht_supported || sta->he_cap.has_he)) + return; + if (!mt7915_is_ebf_supported(phy, vif, sta, true)) return; @@ -1621,6 +1630,10 @@ mt7915_mcu_sta_rate_ctrl_tlv(struct sk_buff *skb, struct mt7915_dev *dev, if (sta->he_cap.has_he) { ra->supp_mode |= MODE_HE; cap |= STA_CAP_HE; + + if (sta->he_6ghz_capa.capa) + ra->af = le16_get_bits(sta->he_6ghz_capa.capa, + IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP); } ra->sta_cap = cpu_to_le32(cap); @@ -1643,7 +1656,7 @@ int mt7915_mcu_add_rate_ctrl(struct mt7915_dev *dev, struct ieee80211_vif *vif, * once dev->rc_work changes the settings driver should also * update sta_rec_he here. */ - if (sta->he_cap.has_he && changed) + if (changed) mt7915_mcu_sta_he_tlv(skb, sta, vif); /* sta_rec_ra accommodates BW, NSS and only MCS range format @@ -1712,7 +1725,7 @@ int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif, goto out; /* tag order is in accordance with firmware dependency. */ - if (sta && sta->ht_cap.ht_supported) { + if (sta) { /* starec bfer */ mt7915_mcu_sta_bfer_tlv(dev, skb, vif, sta); /* starec ht */ @@ -1729,7 +1742,7 @@ int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif, return ret; } - if (sta && sta->ht_cap.ht_supported) { + if (sta) { /* starec amsdu */ mt7915_mcu_sta_amsdu_tlv(dev, skb, vif, sta); /* starec he */ @@ -2772,6 +2785,11 @@ int mt7915_mcu_rdd_background_enable(struct mt7915_phy *phy, int mt7915_mcu_set_chan_info(struct mt7915_phy *phy, int cmd) { + static const u8 ch_band[] = { + [NL80211_BAND_2GHZ] = 0, + [NL80211_BAND_5GHZ] = 1, + [NL80211_BAND_6GHZ] = 2, + }; struct mt7915_dev *dev = phy->dev; struct cfg80211_chan_def *chandef = &phy->mt76->chandef; int freq1 = chandef->center_freq1; @@ -2799,7 +2817,7 @@ int mt7915_mcu_set_chan_info(struct mt7915_phy *phy, int cmd) .tx_streams_num = hweight8(phy->mt76->antenna_mask), .rx_streams = phy->mt76->antenna_mask, .band_idx = phy->band_idx, - .channel_band = chandef->chan->band, + .channel_band = ch_band[chandef->chan->band], }; #ifdef CONFIG_NL80211_TESTMODE @@ -3461,6 +3479,8 @@ int mt7915_mcu_get_rx_rate(struct mt7915_phy *phy, struct ieee80211_vif *vif, case MT_PHY_TYPE_OFDM: if (mphy->chandef.chan->band == NL80211_BAND_5GHZ) sband = &mphy->sband_5g.sband; + else if (mphy->chandef.chan->band == NL80211_BAND_6GHZ) + sband = &mphy->sband_6g.sband; else sband = &mphy->sband_2g.sband; diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h index 2fe737f2f844..6efa0a2e2345 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h @@ -227,7 +227,7 @@ struct mt7915_phy { struct mt76_phy *mt76; struct mt7915_dev *dev; - struct ieee80211_sband_iftype_data iftype[2][NUM_NL80211_IFTYPES]; + struct ieee80211_sband_iftype_data iftype[NUM_NL80211_BANDS][NUM_NL80211_IFTYPES]; struct ieee80211_vif *monitor_vif; diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/testmode.c b/drivers/net/wireless/mediatek/mt76/mt7915/testmode.c index 6605e24c4593..20f63644e929 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/testmode.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/testmode.c @@ -271,6 +271,8 @@ mt7915_tm_set_tx_len(struct mt7915_phy *phy, u32 tx_time) case MT76_TM_TX_MODE_OFDM: if (mphy->chandef.chan->band == NL80211_BAND_5GHZ) sband = &mphy->sband_5g.sband; + else if (mphy->chandef.chan->band == NL80211_BAND_6GHZ) + sband = &mphy->sband_6g.sband; else sband = &mphy->sband_2g.sband; @@ -572,6 +574,8 @@ mt7915_tm_set_tx_cont(struct mt7915_phy *phy, bool en) if (chandef->chan->band == NL80211_BAND_5GHZ) sband = &phy->mt76->sband_5g.sband; + else if (chandef->chan->band == NL80211_BAND_6GHZ) + sband = &phy->mt76->sband_6g.sband; else sband = &phy->mt76->sband_2g.sband;