From patchwork Tue Jan 5 11:30:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shayne Chen X-Patchwork-Id: 357314 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 74A1DC433E0 for ; Tue, 5 Jan 2021 11:32:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 359AB229C5 for ; Tue, 5 Jan 2021 11:32:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726610AbhAELcD (ORCPT ); Tue, 5 Jan 2021 06:32:03 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:48053 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726264AbhAELcC (ORCPT ); Tue, 5 Jan 2021 06:32:02 -0500 X-UUID: ae7ff956b4884207ad2559c859373580-20210105 X-UUID: ae7ff956b4884207ad2559c859373580-20210105 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.14 Build 0819 with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 34359792; Tue, 05 Jan 2021 19:31:00 +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; Tue, 5 Jan 2021 19:30:59 +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; Tue, 5 Jan 2021 19:30:58 +0800 From: Shayne Chen To: Felix Fietkau CC: linux-wireless , Lorenzo Bianconi , Ryder Lee , Evelyn Tsai , linux-mediatek , Shayne Chen Subject: [PATCH 3/4] mt76: mt7915: add support for continuous tx in testmode Date: Tue, 5 Jan 2021 19:30:44 +0800 Message-ID: <20210105113045.17815-3-shayne.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210105113045.17815-1-shayne.chen@mediatek.com> References: <20210105113045.17815-1-shayne.chen@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 656A853E28B8217C3BC481A059B40F1062BAD2880BB524975C01556B7184E97A2000:8 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Implement continuous tx state for MT7915 NIC testmode. Signed-off-by: Shayne Chen --- .../net/wireless/mediatek/mt76/mt7915/mcu.c | 3 +- .../net/wireless/mediatek/mt76/mt7915/mcu.h | 1 + .../wireless/mediatek/mt76/mt7915/testmode.c | 160 ++++++++++++++++-- .../wireless/mediatek/mt76/mt7915/testmode.h | 40 +++++ 4 files changed, 192 insertions(+), 12 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index 9f78e4ec14c9..abf8ba2308ba 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -3208,7 +3208,8 @@ int mt7915_mcu_set_chan_info(struct mt7915_phy *phy, int cmd) #ifdef CONFIG_NL80211_TESTMODE if (phy->mt76->test.tx_antenna_mask && (phy->mt76->test.state == MT76_TM_STATE_TX_FRAMES || - phy->mt76->test.state == MT76_TM_STATE_RX_FRAMES)) { + phy->mt76->test.state == MT76_TM_STATE_RX_FRAMES || + phy->mt76->test.state == MT76_TM_STATE_TX_CONT)) { req.tx_streams_num = fls(phy->mt76->test.tx_antenna_mask); req.rx_streams = phy->mt76->test.tx_antenna_mask; diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h index 163b6f330e67..95ac3c418808 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h @@ -240,6 +240,7 @@ enum { enum { MCU_EXT_CMD_EFUSE_ACCESS = 0x01, + MCU_EXT_CMD_RF_TEST = 0x04, MCU_EXT_CMD_PM_STATE_CTRL = 0x07, MCU_EXT_CMD_CHANNEL_SWITCH = 0x08, MCU_EXT_CMD_FW_LOG_2_HOST = 0x13, diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/testmode.c b/drivers/net/wireless/mediatek/mt76/mt7915/testmode.c index e5af42c70e12..68b170308c4a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/testmode.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/testmode.c @@ -409,6 +409,16 @@ mt7915_tm_init(struct mt7915_phy *phy, bool en) mt7915_mcu_add_bss_info(phy, phy->monitor_vif, en); } +static void +mt7915_tm_update_channel(struct mt7915_phy *phy) +{ + mutex_unlock(&phy->dev->mt76.mutex); + mt7915_set_channel(phy); + mutex_lock(&phy->dev->mt76.mutex); + + mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD_SET_RX_PATH); +} + static void mt7915_tm_set_tx_frames(struct mt7915_phy *phy, bool en) { @@ -425,11 +435,7 @@ mt7915_tm_set_tx_frames(struct mt7915_phy *phy, bool en) mt7915_tm_clean_hwq(phy, dev->mt76.global_wcid.idx); if (en) { - mutex_unlock(&dev->mt76.mutex); - mt7915_set_channel(phy); - mutex_lock(&dev->mt76.mutex); - - mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD_SET_RX_PATH); + mt7915_tm_update_channel(phy); if (td->tx_spe_idx) { phy->test.spe_idx = td->tx_spe_idx; @@ -469,15 +475,144 @@ static void mt7915_tm_set_rx_frames(struct mt7915_phy *phy, bool en) { struct mt7915_dev *dev = phy->dev; - if (en) { - mutex_unlock(&dev->mt76.mutex); - mt7915_set_channel(phy); - mutex_lock(&dev->mt76.mutex); + if (en) + mt7915_tm_update_channel(phy); + + mt7915_tm_set_trx(phy, TM_MAC_RX_RXV, en); +} + +static int +mt7915_tm_rf_switch_mode(struct mt7915_dev *dev, u32 oper) +{ + struct mt7915_tm_rf_test req = { + .op.op_mode = cpu_to_le32(oper), + }; + + return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_RF_TEST, &req, + sizeof(req), true); +} + +static int +mt7915_tm_set_tx_cont(struct mt7915_phy *phy, bool en) +{ +#define TX_CONT_START 0x05 +#define TX_CONT_STOP 0x06 + struct mt7915_dev *dev = phy->dev; + struct cfg80211_chan_def *chandef = &phy->mt76->chandef; + int freq1 = ieee80211_frequency_to_channel(chandef->center_freq1); + struct mt76_testmode_data *td = &phy->mt76->test; + u32 func_idx = en ? TX_CONT_START : TX_CONT_STOP; + u8 rate_idx = td->tx_rate_idx, mode; + u16 rateval; + struct mt7915_tm_rf_test req = { + .action = 1, + .icap_len = 120, + .op.rf.func_idx = cpu_to_le32(func_idx), + }; + struct tm_tx_cont *tx_cont = &req.op.rf.param.tx_cont; + + tx_cont->control_ch = chandef->chan->hw_value; + tx_cont->center_ch = freq1; + tx_cont->tx_ant = td->tx_antenna_mask; + tx_cont->band = phy != &dev->phy; + + switch (chandef->width) { + case NL80211_CHAN_WIDTH_40: + tx_cont->bw = CMD_CBW_40MHZ; + break; + case NL80211_CHAN_WIDTH_80: + tx_cont->bw = CMD_CBW_80MHZ; + break; + case NL80211_CHAN_WIDTH_80P80: + tx_cont->bw = CMD_CBW_8080MHZ; + break; + case NL80211_CHAN_WIDTH_160: + tx_cont->bw = CMD_CBW_160MHZ; + break; + case NL80211_CHAN_WIDTH_5: + tx_cont->bw = CMD_CBW_5MHZ; + break; + case NL80211_CHAN_WIDTH_10: + tx_cont->bw = CMD_CBW_10MHZ; + break; + case NL80211_CHAN_WIDTH_20: + tx_cont->bw = CMD_CBW_20MHZ; + break; + case NL80211_CHAN_WIDTH_20_NOHT: + tx_cont->bw = CMD_CBW_20MHZ; + break; + default: + break; + } - mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD_SET_RX_PATH); + if (!en) { + req.op.rf.param.func_data = cpu_to_le32(phy != &dev->phy); + goto out; } - mt7915_tm_set_trx(phy, TM_MAC_RX_RXV, en); + if (td->tx_rate_mode <= MT76_TM_TX_MODE_OFDM) { + struct ieee80211_supported_band *sband; + u8 idx = rate_idx; + + if (chandef->chan->band == NL80211_BAND_5GHZ) + sband = &phy->mt76->sband_5g.sband; + else + sband = &phy->mt76->sband_2g.sband; + + if (td->tx_rate_mode == MT76_TM_TX_MODE_OFDM) + idx += 4; + rate_idx = sband->bitrates[idx].hw_value & 0xff; + } + + switch (td->tx_rate_mode) { + case MT76_TM_TX_MODE_CCK: + mode = MT_PHY_TYPE_CCK; + break; + case MT76_TM_TX_MODE_OFDM: + mode = MT_PHY_TYPE_OFDM; + break; + case MT76_TM_TX_MODE_HT: + mode = MT_PHY_TYPE_HT; + break; + case MT76_TM_TX_MODE_VHT: + mode = MT_PHY_TYPE_VHT; + break; + case MT76_TM_TX_MODE_HE_SU: + mode = MT_PHY_TYPE_HE_SU; + break; + case MT76_TM_TX_MODE_HE_EXT_SU: + mode = MT_PHY_TYPE_HE_EXT_SU; + break; + case MT76_TM_TX_MODE_HE_TB: + mode = MT_PHY_TYPE_HE_TB; + break; + case MT76_TM_TX_MODE_HE_MU: + mode = MT_PHY_TYPE_HE_MU; + break; + default: + break; + } + + rateval = mode << 6 | rate_idx; + tx_cont->rateval = cpu_to_le16(rateval); + +out: + if (!en) { + int ret; + + ret = mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_RF_TEST, &req, + sizeof(req), true); + if (ret) + return ret; + + return mt7915_tm_rf_switch_mode(dev, RF_OPER_NORMAL); + } + + mt7915_tm_rf_switch_mode(dev, RF_OPER_RF_TEST); + mt7915_tm_update_channel(phy); + + return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_RF_TEST, &req, + sizeof(req), true); } static void @@ -507,6 +642,9 @@ mt7915_tm_set_state(struct mt76_phy *mphy, enum mt76_testmode_state state) else if (prev_state == MT76_TM_STATE_RX_FRAMES || state == MT76_TM_STATE_RX_FRAMES) mt7915_tm_set_rx_frames(phy, state == MT76_TM_STATE_RX_FRAMES); + else if (prev_state == MT76_TM_STATE_TX_CONT || + state == MT76_TM_STATE_TX_CONT) + mt7915_tm_set_tx_cont(phy, state == MT76_TM_STATE_TX_CONT); else if (prev_state == MT76_TM_STATE_OFF || state == MT76_TM_STATE_OFF) mt7915_tm_init(phy, !(state == MT76_TM_STATE_OFF)); diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/testmode.h b/drivers/net/wireless/mediatek/mt76/mt7915/testmode.h index da92cad0aa9b..8f8533ef9859 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/testmode.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/testmode.h @@ -56,4 +56,44 @@ enum { TM_MAC_RX_RXV, }; +struct tm_tx_cont { + u8 control_ch; + u8 center_ch; + u8 bw; + u8 tx_ant; + __le16 rateval; + u8 band; + u8 txfd_mode; +}; + +struct mt7915_tm_rf_test { + u8 action; + u8 icap_len; + u8 _rsv[2]; + union { + __le32 op_mode; + __le32 freq; + + struct { + __le32 func_idx; + union { + __le32 func_data; + __le32 cal_dump; + + struct tm_tx_cont tx_cont; + + u8 _pad[80]; + } param; + } rf; + } op; +} __packed; + +enum { + RF_OPER_NORMAL, + RF_OPER_RF_TEST, + RF_OPER_ICAP, + RF_OPER_ICAP_OVERLAP, + RF_OPER_WIFI_SPECTRUM, +}; + #endif