From patchwork Sun Jun 13 03:39:07 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 12317287 X-Patchwork-Delegate: nbd@nbd.name 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 B8741C48BDF for ; Sun, 13 Jun 2021 03:39:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8450F61166 for ; Sun, 13 Jun 2021 03:39:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231556AbhFMDlV (ORCPT ); Sat, 12 Jun 2021 23:41:21 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:52158 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S230281AbhFMDlU (ORCPT ); Sat, 12 Jun 2021 23:41:20 -0400 X-UUID: ce05814388a24946b8f93b5b68ba30f4-20210613 X-UUID: ce05814388a24946b8f93b5b68ba30f4-20210613 Received: from mtkexhb02.mediatek.inc [(172.21.101.103)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 459441680; Sun, 13 Jun 2021 11:39:16 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs08n2.mediatek.inc (172.21.101.56) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 13 Jun 2021 11:39:08 +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; Sun, 13 Jun 2021 11:39:08 +0800 From: To: , CC: , , , , , , , , , , , , , , , , Lorenzo Bianconi Subject: [PATCH] mt76: mt7921: introduce testmode support Date: Sun, 13 Jun 2021 11:39:07 +0800 Message-ID: <1623555547-15442-1-git-send-email-sean.wang@mediatek.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: Lorenzo Bianconi We add the testmode support to access the testmode feature provided by the MT7921 firmware. Co-developed-by: Sean Wang Signed-off-by: Sean Wang Signed-off-by: Lorenzo Bianconi --- .../wireless/mediatek/mt76/mt76_connac_mcu.h | 1 + .../wireless/mediatek/mt76/mt7921/Makefile | 1 + .../net/wireless/mediatek/mt76/mt7921/init.c | 2 + .../net/wireless/mediatek/mt76/mt7921/main.c | 2 + .../net/wireless/mediatek/mt76/mt7921/mcu.h | 26 +++ .../wireless/mediatek/mt76/mt7921/mt7921.h | 4 + .../wireless/mediatek/mt76/mt7921/testmode.c | 173 ++++++++++++++++++ drivers/net/wireless/mediatek/mt76/testmode.h | 2 + 8 files changed, 211 insertions(+) create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/testmode.c diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h index 1c73beb22677..a37090cac019 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h @@ -548,6 +548,7 @@ enum { /* offload mcu commands */ enum { + MCU_CMD_TEST_CTRL = MCU_CE_PREFIX | 0x01, MCU_CMD_START_HW_SCAN = MCU_CE_PREFIX | 0x03, MCU_CMD_SET_PS_PROFILE = MCU_CE_PREFIX | 0x05, MCU_CMD_SET_CHAN_DOMAIN = MCU_CE_PREFIX | 0x0f, diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/Makefile b/drivers/net/wireless/mediatek/mt76/mt7921/Makefile index e531666f9fb4..8361f9558ea1 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/Makefile +++ b/drivers/net/wireless/mediatek/mt76/mt7921/Makefile @@ -5,3 +5,4 @@ obj-$(CONFIG_MT7921E) += mt7921e.o CFLAGS_trace.o := -I$(src) mt7921e-y := pci.o mac.o mcu.o dma.o eeprom.o main.o init.o debugfs.o trace.o +mt7921e-$(CONFIG_NL80211_TESTMODE) += testmode.o diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c index 2caa5096a419..c37084796525 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c @@ -127,6 +127,8 @@ int mt7921_mac_init(struct mt7921_dev *dev) for (i = 0; i < 2; i++) mt7921_mac_init_band(dev, i); + dev->mt76.rxfilter = mt76_rr(dev, MT_WF_RFCR(0)); + return mt76_connac_mcu_set_rts_thresh(&dev->mt76, 0x92b, 0); } diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c index bc5643f485c5..c4fd670b89b0 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c @@ -1191,6 +1191,8 @@ const struct ieee80211_ops mt7921_ops = { .sta_statistics = mt7921_sta_statistics, .sched_scan_start = mt7921_start_sched_scan, .sched_scan_stop = mt7921_stop_sched_scan, + CFG80211_TESTMODE_CMD(mt7921_testmode_cmd) + CFG80211_TESTMODE_DUMP(mt7921_testmode_dump) #ifdef CONFIG_PM .suspend = mt7921_suspend, .resume = mt7921_resume, diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h index 89fed2f71161..e964a06359d3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h @@ -320,4 +320,30 @@ struct mt7921_mcu_tx_done_event { u8 rsv1[32]; } __packed; + +enum { + TM_SWITCH_MODE, + TM_SET_AT_CMD, + TM_QUERY_AT_CMD, +}; + +enum { + MT7921_TM_NORMAL, + MT7921_TM_TESTMODE, + MT7921_TM_ICAP, + MT7921_TM_ICAP_OVERLAP, + MT7921_TM_WIFISPECTRUM, +}; + +struct mt7921_rftest_cmd { + u8 action; + u8 rsv[3]; + __le32 param0; + __le32 param1; +} __packed; + +struct mt7921_rftest_evt { + __le32 param0; + __le32 param1; +} __packed; #endif diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h index a249ce34b44b..34f0e3cca211 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h @@ -387,4 +387,8 @@ void mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif); void mt7921_coredump_work(struct work_struct *work); int mt7921_wfsys_reset(struct mt7921_dev *dev); int mt7921_get_txpwr_info(struct mt7921_dev *dev, struct mt7921_txpwr *txpwr); +int mt7921_testmode_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + void *data, int len); +int mt7921_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *msg, + struct netlink_callback *cb, void *data, int len); #endif diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/testmode.c b/drivers/net/wireless/mediatek/mt76/mt7921/testmode.c new file mode 100644 index 000000000000..e1ba536008fa --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/testmode.c @@ -0,0 +1,173 @@ +// SPDX-License-Identifier: ISC + +#include "mt7921.h" +#include "mcu.h" + +enum mt7921_testmode_attr { + MT7921_TM_ATTR_UNSPEC, + MT7921_TM_ATTR_SET, + MT7921_TM_ATTR_QUERY, + MT7921_TM_ATTR_RSP, + + /* keep last */ + NUM_MT7921_TM_ATTRS, + MT7921_TM_ATTR_MAX = NUM_MT7921_TM_ATTRS - 1, +}; + +struct mt7921_tm_cmd { + u8 action; + u32 param0; + u32 param1; +}; + +struct mt7921_tm_evt { + u32 param0; + u32 param1; +}; + +static const struct nla_policy mt7921_tm_policy[NUM_MT7921_TM_ATTRS] = { + [MT7921_TM_ATTR_SET] = NLA_POLICY_EXACT_LEN(sizeof(struct mt7921_tm_cmd)), + [MT7921_TM_ATTR_QUERY] = NLA_POLICY_EXACT_LEN(sizeof(struct mt7921_tm_cmd)), +}; + +static int +mt7921_tm_set(struct mt7921_dev *dev, struct mt7921_tm_cmd *req) +{ + struct mt7921_rftest_cmd cmd = { + .action = req->action, + .param0 = cpu_to_le32(req->param0), + .param1 = cpu_to_le32(req->param1), + }; + bool to_testmode = false, to_normal = false; + struct mt76_connac_pm *pm = &dev->pm; + struct mt76_phy *phy = &dev->mphy; + int ret = -ENOTCONN; + + mutex_lock(&dev->mt76.mutex); + + if (req->action == TM_SWITCH_MODE) { + if (req->param0 != MT7921_TM_NORMAL) + to_testmode = true; + else + to_normal = true; + } + + if (to_testmode) { + mt76_wr(dev, MT_WF_RFCR(0), dev->mt76.rxfilter); + + /* Make sure testmode running on full power mode */ + pm->enable = false; + cancel_delayed_work_sync(&pm->ps_work); + cancel_work_sync(&pm->wake_work); + __mt7921_mcu_drv_pmctrl(dev); + + phy->test.state = MT76_TM_STATE_ON; + } + + if (!mt76_testmode_enabled(phy)) + goto out; + + ret = mt76_mcu_send_msg(&dev->mt76, MCU_CMD_TEST_CTRL, &cmd, + sizeof(cmd), false); + + if (to_normal) { + /* Switch back to the normal world */ + phy->test.state = MT76_TM_STATE_OFF; + pm->enable = true; + } +out: + mutex_unlock(&dev->mt76.mutex); + + return ret; +} + +static int +mt7921_tm_query(struct mt7921_dev *dev, struct mt7921_tm_cmd *req, + struct mt7921_tm_evt *resp) +{ + struct mt7921_rftest_cmd cmd = { + .action = req->action, + .param0 = cpu_to_le32(req->param0), + .param1 = cpu_to_le32(req->param1), + }; + struct mt7921_rftest_evt *evt; + struct sk_buff *skb; + int ret; + + mutex_lock(&dev->mt76.mutex); + + ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_CMD_TEST_CTRL, + &cmd, sizeof(cmd), true, &skb); + mutex_unlock(&dev->mt76.mutex); + + if (ret) + goto out; + + evt = (struct mt7921_rftest_evt *)(skb->data); + resp->param0 = le32_to_cpu(evt->param0); + resp->param1 = le32_to_cpu(evt->param1); +out: + dev_kfree_skb(skb); + + return ret; +} + +int mt7921_testmode_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + void *data, int len) +{ + struct nlattr *tb[NUM_MT7921_TM_ATTRS]; + struct mt76_phy *mphy = hw->priv; + struct mt7921_phy *phy = mphy->priv; + struct mt7921_dev *dev = phy->dev; + int err; + + if (!test_bit(MT76_STATE_RUNNING, &mphy->state) || + !(hw->conf.flags & IEEE80211_CONF_MONITOR)) + return -ENOTCONN; + + err = nla_parse_deprecated(tb, MT7921_TM_ATTR_MAX, data, len, + mt7921_tm_policy, NULL); + if (err) + return err; + + err = -EINVAL; + if (tb[MT7921_TM_ATTR_SET]) + err = mt7921_tm_set(dev, nla_data(tb[MT7921_TM_ATTR_SET])); + + return err; +} + +int mt7921_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *msg, + struct netlink_callback *cb, void *data, int len) +{ + struct nlattr *tb[NUM_MT7921_TM_ATTRS]; + struct mt76_phy *mphy = hw->priv; + struct mt7921_phy *phy = mphy->priv; + struct mt7921_dev *dev = phy->dev; + struct mt7921_tm_evt resp; + int err; + + if (!test_bit(MT76_STATE_RUNNING, &mphy->state) || + !(hw->conf.flags & IEEE80211_CONF_MONITOR) || + !mt76_testmode_enabled(mphy)) + return -ENOTCONN; + + if (cb->args[2]++ > 0) + return -ENOENT; + + err = nla_parse_deprecated(tb, MT7921_TM_ATTR_MAX, data, len, + mt7921_tm_policy, NULL); + if (err) + return err; + + err = -EINVAL; + if (tb[MT7921_TM_ATTR_QUERY]) { + err = mt7921_tm_query(dev, nla_data(tb[MT7921_TM_ATTR_QUERY]), &resp); + if (err) + goto out; + + err = nla_put(msg, MT7921_TM_ATTR_RSP, sizeof(resp), &resp); + } +out: + return err; +} diff --git a/drivers/net/wireless/mediatek/mt76/testmode.h b/drivers/net/wireless/mediatek/mt76/testmode.h index d32a7654c47e..127c13105ee9 100644 --- a/drivers/net/wireless/mediatek/mt76/testmode.h +++ b/drivers/net/wireless/mediatek/mt76/testmode.h @@ -140,6 +140,7 @@ enum mt76_testmode_rx_attr { * enum mt76_testmode_state - phy test state * * @MT76_TM_STATE_OFF: test mode disabled (normal operation) + * @MT76_TM_STATE_ON: test mode enabled used in offload firmware * @MT76_TM_STATE_IDLE: test mode enabled, but idle * @MT76_TM_STATE_TX_FRAMES: send a fixed number of test frames * @MT76_TM_STATE_RX_FRAMES: receive packets and keep statistics @@ -147,6 +148,7 @@ enum mt76_testmode_rx_attr { */ enum mt76_testmode_state { MT76_TM_STATE_OFF, + MT76_TM_STATE_ON, MT76_TM_STATE_IDLE, MT76_TM_STATE_TX_FRAMES, MT76_TM_STATE_RX_FRAMES,