We add the testmode support to access the testmode feature provided
by the MT7921 firmware.
Tested-by: Sean Wang <[email protected]>
Co-developed-by: Sean Wang <[email protected]>
Signed-off-by: Sean Wang <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
---
Change since v3:
- remove unused variables
Change since v2:
- move mt7921_testmode_attr in MT76_TM_ATTR_DRV_DATA as nested
attributes
---
.../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 | 197 ++++++++++++++++++
drivers/net/wireless/mediatek/mt76/testmode.c | 4 +-
drivers/net/wireless/mediatek/mt76/testmode.h | 7 +
9 files changed, 243 insertions(+), 1 deletion(-)
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 0ebb59966a08..3471d82fc265 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 a9ce10b98827..08d85c6a7bc4 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 7fd21049ff5a..a25d6009003b 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
@@ -1202,6 +1202,8 @@ 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 d142c50c1a3d..49e6653b6548 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h
@@ -319,4 +319,30 @@ 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 2d8bd6bfc820..ac0b414ccd92 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
@@ -388,4 +388,8 @@ 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..8bd43879dd6f
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/testmode.c
@@ -0,0 +1,197 @@
+// 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 testmode = false, 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)
+ normal = true;
+ else
+ testmode = true;
+ }
+
+ if (testmode) {
+ /* 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);
+
+ mt76_wr(dev, MT_WF_RFCR(0), dev->mt76.rxfilter);
+ 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 (ret)
+ goto out;
+
+ if (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 *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;
+
+ ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_CMD_TEST_CTRL,
+ &cmd, sizeof(cmd), true, &skb);
+ if (ret)
+ goto out;
+
+ evt = (struct mt7921_rftest_evt *)skb->data;
+ evt_resp->param0 = le32_to_cpu(evt->param0);
+ evt_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_MT76_TM_ATTRS];
+ struct mt76_phy *mphy = hw->priv;
+ struct mt7921_phy *phy = mphy->priv;
+ int err;
+
+ if (!test_bit(MT76_STATE_RUNNING, &mphy->state) ||
+ !(hw->conf.flags & IEEE80211_CONF_MONITOR))
+ return -ENOTCONN;
+
+ err = nla_parse_deprecated(tb, MT76_TM_ATTR_MAX, data, len,
+ mt76_tm_policy, NULL);
+ if (err)
+ return err;
+
+ if (tb[MT76_TM_ATTR_DRV_DATA]) {
+ struct nlattr *drv_tb[NUM_MT7921_TM_ATTRS], *data;
+ int ret;
+
+ data = tb[MT76_TM_ATTR_DRV_DATA];
+ ret = nla_parse_nested_deprecated(drv_tb,
+ MT7921_TM_ATTR_MAX,
+ data, mt7921_tm_policy,
+ NULL);
+ if (ret)
+ return ret;
+
+ data = drv_tb[MT7921_TM_ATTR_SET];
+ if (data)
+ return mt7921_tm_set(phy->dev, nla_data(data));
+ }
+
+ return -EINVAL;
+}
+
+int mt7921_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *msg,
+ struct netlink_callback *cb, void *data, int len)
+{
+ struct nlattr *tb[NUM_MT76_TM_ATTRS];
+ struct mt76_phy *mphy = hw->priv;
+ struct mt7921_phy *phy = mphy->priv;
+ 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, MT76_TM_ATTR_MAX, data, len,
+ mt76_tm_policy, NULL);
+ if (err)
+ return err;
+
+ if (tb[MT76_TM_ATTR_DRV_DATA]) {
+ struct nlattr *drv_tb[NUM_MT7921_TM_ATTRS], *data;
+ int ret;
+
+ data = tb[MT76_TM_ATTR_DRV_DATA];
+ ret = nla_parse_nested_deprecated(drv_tb,
+ MT7921_TM_ATTR_MAX,
+ data, mt7921_tm_policy,
+ NULL);
+ if (ret)
+ return ret;
+
+ data = drv_tb[MT7921_TM_ATTR_QUERY];
+ if (data) {
+ struct mt7921_tm_evt evt_resp;
+
+ err = mt7921_tm_query(phy->dev, nla_data(data),
+ &evt_resp);
+ if (err)
+ return err;
+
+ return nla_put(msg, MT7921_TM_ATTR_RSP,
+ sizeof(evt_resp), &evt_resp);
+ }
+ }
+
+ return -EINVAL;
+}
diff --git a/drivers/net/wireless/mediatek/mt76/testmode.c b/drivers/net/wireless/mediatek/mt76/testmode.c
index f73ffbd6e622..66afc2b0a935 100644
--- a/drivers/net/wireless/mediatek/mt76/testmode.c
+++ b/drivers/net/wireless/mediatek/mt76/testmode.c
@@ -2,7 +2,7 @@
/* Copyright (C) 2020 Felix Fietkau <[email protected]> */
#include "mt76.h"
-static const struct nla_policy mt76_tm_policy[NUM_MT76_TM_ATTRS] = {
+const struct nla_policy mt76_tm_policy[NUM_MT76_TM_ATTRS] = {
[MT76_TM_ATTR_RESET] = { .type = NLA_FLAG },
[MT76_TM_ATTR_STATE] = { .type = NLA_U8 },
[MT76_TM_ATTR_TX_COUNT] = { .type = NLA_U32 },
@@ -21,7 +21,9 @@ static const struct nla_policy mt76_tm_policy[NUM_MT76_TM_ATTRS] = {
[MT76_TM_ATTR_TX_IPG] = { .type = NLA_U32 },
[MT76_TM_ATTR_TX_TIME] = { .type = NLA_U32 },
[MT76_TM_ATTR_FREQ_OFFSET] = { .type = NLA_U32 },
+ [MT76_TM_ATTR_DRV_DATA] = { .type = NLA_NESTED },
};
+EXPORT_SYMBOL_GPL(mt76_tm_policy);
void mt76_testmode_tx_pending(struct mt76_phy *phy)
{
diff --git a/drivers/net/wireless/mediatek/mt76/testmode.h b/drivers/net/wireless/mediatek/mt76/testmode.h
index d32a7654c47e..d1f9c036dd1f 100644
--- a/drivers/net/wireless/mediatek/mt76/testmode.h
+++ b/drivers/net/wireless/mediatek/mt76/testmode.h
@@ -44,6 +44,7 @@
* @MT76_TM_ATTR_TX_IPG: tx inter-packet gap, in unit of us (u32)
* @MT76_TM_ATTR_TX_TIME: packet transmission time, in unit of us (u32)
*
+ * @MT76_TM_ATTR_DRV_DATA: driver specific netlink attrs (nested)
*/
enum mt76_testmode_attr {
MT76_TM_ATTR_UNSPEC,
@@ -78,6 +79,8 @@ enum mt76_testmode_attr {
MT76_TM_ATTR_TX_IPG,
MT76_TM_ATTR_TX_TIME,
+ MT76_TM_ATTR_DRV_DATA,
+
/* keep last */
NUM_MT76_TM_ATTRS,
MT76_TM_ATTR_MAX = NUM_MT76_TM_ATTRS - 1,
@@ -144,6 +147,7 @@ enum mt76_testmode_rx_attr {
* @MT76_TM_STATE_TX_FRAMES: send a fixed number of test frames
* @MT76_TM_STATE_RX_FRAMES: receive packets and keep statistics
* @MT76_TM_STATE_TX_CONT: waveform tx without time gap
+ * @MT76_TM_STATE_ON: test mode enabled used in offload firmware
*/
enum mt76_testmode_state {
MT76_TM_STATE_OFF,
@@ -151,6 +155,7 @@ enum mt76_testmode_state {
MT76_TM_STATE_TX_FRAMES,
MT76_TM_STATE_RX_FRAMES,
MT76_TM_STATE_TX_CONT,
+ MT76_TM_STATE_ON,
/* keep last */
NUM_MT76_TM_STATES,
@@ -184,4 +189,6 @@ enum mt76_testmode_tx_mode {
MT76_TM_TX_MODE_MAX = NUM_MT76_TM_TX_MODES - 1,
};
+extern const struct nla_policy mt76_tm_policy[NUM_MT76_TM_ATTRS];
+
#endif
--
2.31.1