From patchwork Wed Apr 6 18:29:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 558782 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 00030C433F5 for ; Wed, 6 Apr 2022 20:19:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234056AbiDFUVw (ORCPT ); Wed, 6 Apr 2022 16:21:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35232 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234377AbiDFUVj (ORCPT ); Wed, 6 Apr 2022 16:21:39 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 22F372B5ED4 for ; Wed, 6 Apr 2022 11:29:20 -0700 (PDT) X-UUID: 5b0f2a77efe94aadbe3e06b8c7ec512b-20220407 X-UUID: 5b0f2a77efe94aadbe3e06b8c7ec512b-20220407 Received: from mtkexhb02.mediatek.inc [(172.21.101.103)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 792300662; Thu, 07 Apr 2022 02:29:17 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 7 Apr 2022 02:29:15 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 7 Apr 2022 02:29:15 +0800 From: To: , CC: , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v2] mt76: mt7921: Add AP mode support Date: Thu, 7 Apr 2022 02:29:14 +0800 Message-ID: <8868a55bcaec80822e5b671c7a6023583d1b16b0.1649269260.git.objelf@gmail.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Sean Wang add AP mode support to mt7921 that can work for mt7921[e,s,u] with the common code. Tested-by: Deren Wu Tested-by: Lorenzo Bianconi Signed-off-by: Sean Wang Tested-by: AngeloGioacchino Del Regno --- v1->v2: 1. change 'hotspot mode' to 'AP mode' to avoid confusion 2. add a testing tag by Lorenzo 3. remove the unneeded bracket --- .../net/wireless/mediatek/mt76/mt7921/init.c | 11 ++- .../net/wireless/mediatek/mt76/mt7921/mac.c | 9 +++ .../net/wireless/mediatek/mt76/mt7921/main.c | 45 +++++++++++ .../net/wireless/mediatek/mt76/mt7921/mcu.c | 79 ++++++++++++++++++- .../wireless/mediatek/mt76/mt7921/mt7921.h | 4 + 5 files changed, 146 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c index 91fc41922d95..f9e1255bd9c7 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c @@ -11,6 +11,10 @@ static const struct ieee80211_iface_limit if_limits[] = { { .max = MT7921_MAX_INTERFACES, .types = BIT(NL80211_IFTYPE_STATION) + }, + { + .max = 1, + .types = BIT(NL80211_IFTYPE_AP) } }; @@ -64,7 +68,8 @@ mt7921_init_wiphy(struct ieee80211_hw *hw) wiphy->iface_combinations = if_comb; wiphy->flags &= ~(WIPHY_FLAG_IBSS_RSN | WIPHY_FLAG_4ADDR_AP | WIPHY_FLAG_4ADDR_STATION); - wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); + wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_AP); wiphy->n_iface_combinations = ARRAY_SIZE(if_comb); wiphy->max_scan_ie_len = MT76_CONNAC_SCAN_IE_LEN; wiphy->max_scan_ssids = 4; @@ -80,6 +85,10 @@ mt7921_init_wiphy(struct ieee80211_hw *hw) wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_SET_SCAN_DWELL); + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_LEGACY); + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HT); + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_VHT); + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HE); ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); ieee80211_hw_set(hw, HAS_RATE_CONTROL); diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c index f34070ca7bbe..368e54c53ddd 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c @@ -1361,12 +1361,21 @@ mt7921_vif_connect_iter(void *priv, u8 *mac, { struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; struct mt7921_dev *dev = mvif->phy->dev; + struct ieee80211_hw *hw = mt76_hw(dev); if (vif->type == NL80211_IFTYPE_STATION) ieee80211_disconnect(vif, true); mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, true); mt7921_mcu_set_tx(dev, vif); + + if (vif->type == NL80211_IFTYPE_AP) { + mt76_connac_mcu_uni_add_bss(dev->phy.mt76, vif, &mvif->sta.wcid, + true); + mt7921_mcu_sta_update(dev, NULL, vif, true, + MT76_STA_INFO_STATE_NONE); + mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true); + } } /* system error recovery */ diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c index ae86705faec2..186d883c5eab 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c @@ -53,6 +53,7 @@ mt7921_init_he_caps(struct mt7921_phy *phy, enum nl80211_band band, switch (i) { case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_AP: break; default: continue; @@ -86,6 +87,23 @@ mt7921_init_he_caps(struct mt7921_phy *phy, enum nl80211_band band, IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO; switch (i) { + case NL80211_IFTYPE_AP: + he_cap_elem->mac_cap_info[2] |= + IEEE80211_HE_MAC_CAP2_BSR; + he_cap_elem->mac_cap_info[4] |= + IEEE80211_HE_MAC_CAP4_BQR; + he_cap_elem->mac_cap_info[5] |= + IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX; + he_cap_elem->phy_cap_info[3] |= + IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | + IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; + he_cap_elem->phy_cap_info[6] |= + IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | + IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; + he_cap_elem->phy_cap_info[9] |= + IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | + IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU; + break; case NL80211_IFTYPE_STATION: he_cap_elem->mac_cap_info[1] |= IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US; @@ -634,6 +652,20 @@ static void mt7921_bss_info_changed(struct ieee80211_hw *hw, } } + if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) { + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + + mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, + true); + mt7921_mcu_sta_update(dev, NULL, vif, true, + MT76_STA_INFO_STATE_NONE); + } + + if (changed & (BSS_CHANGED_BEACON | + BSS_CHANGED_BEACON_ENABLED)) + mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, + info->enable_beacon); + /* ensure that enable txcmd_mode after bss_info */ if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) mt7921_mcu_set_tx(dev, vif); @@ -1394,6 +1426,18 @@ static int mt7921_set_sar_specs(struct ieee80211_hw *hw, return err; } +static void +mt7921_channel_switch_beacon(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct cfg80211_chan_def *chandef) +{ + struct mt7921_dev *dev = mt7921_hw_dev(hw); + + mt7921_mutex_acquire(dev); + mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true); + mt7921_mutex_release(dev); +} + const struct ieee80211_ops mt7921_ops = { .tx = mt7921_tx, .start = mt7921_start, @@ -1412,6 +1456,7 @@ const struct ieee80211_ops mt7921_ops = { .set_rts_threshold = mt7921_set_rts_threshold, .wake_tx_queue = mt76_wake_tx_queue, .release_buffered_frames = mt76_release_buffered_frames, + .channel_switch_beacon = mt7921_channel_switch_beacon, .get_txpower = mt76_get_txpower, .get_stats = mt7921_get_stats, .get_et_sset_count = mt7921_get_et_sset_count, diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c index da2be050ed7c..1ecbbe4fa498 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c @@ -248,7 +248,8 @@ mt7921_mcu_connection_loss_iter(void *priv, u8 *mac, if (mvif->idx != event->bss_idx) return; - if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) + if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER) || + vif->type != NL80211_IFTYPE_STATION) return; ieee80211_connection_loss(vif); @@ -1166,3 +1167,79 @@ int mt7921_mcu_set_sniffer(struct mt7921_dev *dev, struct ieee80211_vif *vif, return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(SNIFFER), &req, sizeof(req), true); } + +int +mt7921_mcu_uni_add_beacon_offload(struct mt7921_dev *dev, + struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + bool enable) +{ + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + struct mt76_wcid *wcid = &dev->mt76.global_wcid; + struct ieee80211_mutable_offsets offs; + struct { + struct req_hdr { + u8 bss_idx; + u8 pad[3]; + } __packed hdr; + struct bcn_content_tlv { + __le16 tag; + __le16 len; + __le16 tim_ie_pos; + __le16 csa_ie_pos; + __le16 bcc_ie_pos; + /* 0: disable beacon offload + * 1: enable beacon offload + * 2: update probe respond offload + */ + u8 enable; + /* 0: legacy format (TXD + payload) + * 1: only cap field IE + */ + u8 type; + __le16 pkt_len; + u8 pkt[512]; + } __packed beacon_tlv; + } req = { + .hdr = { + .bss_idx = mvif->mt76.idx, + }, + .beacon_tlv = { + .tag = cpu_to_le16(UNI_BSS_INFO_BCN_CONTENT), + .len = cpu_to_le16(sizeof(struct bcn_content_tlv)), + .enable = enable, + }, + }; + struct sk_buff *skb; + + if (!enable) + goto out; + + skb = ieee80211_beacon_get_template(mt76_hw(dev), vif, &offs); + if (!skb) + return -EINVAL; + + if (skb->len > 512 - MT_TXD_SIZE) { + dev_err(dev->mt76.dev, "beacon size limit exceed\n"); + dev_kfree_skb(skb); + return -EINVAL; + } + + mt7921_mac_write_txwi(dev, (__le32 *)(req.beacon_tlv.pkt), skb, + wcid, NULL, 0, true); + memcpy(req.beacon_tlv.pkt + MT_TXD_SIZE, skb->data, skb->len); + req.beacon_tlv.pkt_len = cpu_to_le16(MT_TXD_SIZE + skb->len); + req.beacon_tlv.tim_ie_pos = cpu_to_le16(MT_TXD_SIZE + offs.tim_offset); + + if (offs.cntdwn_counter_offs[0]) { + u16 csa_offs; + + csa_offs = MT_TXD_SIZE + offs.cntdwn_counter_offs[0] - 4; + req.beacon_tlv.csa_ie_pos = cpu_to_le16(csa_offs); + } + dev_kfree_skb(skb); + +out: + return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(BSS_INFO_UPDATE), + &req, sizeof(req), true); +} diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h index eae223a31000..adbdb2e22934 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h @@ -469,4 +469,8 @@ int mt7921u_wfsys_reset(struct mt7921_dev *dev); int mt7921u_dma_init(struct mt7921_dev *dev, bool resume); int mt7921u_init_reset(struct mt7921_dev *dev); int mt7921u_mac_reset(struct mt7921_dev *dev); +int mt7921_mcu_uni_add_beacon_offload(struct mt7921_dev *dev, + struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + bool enable); #endif