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mt76: mt7615: implement testmode support

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Supports sending a configurable number of packets with a specific rate
and configurable tx power levels / antenna settings, as well as displaying
rx statistics.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2020-06-18 21:14:43 +02:00
parent f0efa86215
commit 4f0bce1c88
10 changed files with 523 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/mediatek/mt76/mt7615/Makefile
View File

@ -8,6 +8,7 @@ CFLAGS_trace.o := -I$(src)
mt7615-common-y := main.o init.o mcu.o eeprom.o mac.o \
debugfs.o trace.o
mt7615-common-$(CONFIG_NL80211_TESTMODE) += testmode.o
mt7615e-y := pci.o pci_init.o dma.o pci_mac.o mmio.o
mt7615e-$(CONFIG_MT7622_WMAC) += soc.o

8
drivers/net/wireless/mediatek/mt76/mt7615/init.c
View File

@ -321,6 +321,7 @@ mt7615_init_wiphy(struct ieee80211_hw *hw)
ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
ieee80211_hw_set(hw, TX_STATUS_NO_AMPDU_LEN);
ieee80211_hw_set(hw, WANT_MONITOR_VIF);
if (is_mt7615(&phy->dev->mt76))
hw->max_tx_fragments = MT_TXP_MAX_BUF_NUM;
@ -405,9 +406,6 @@ int mt7615_register_ext_phy(struct mt7615_dev *dev)
mphy->sband_2g.sband.n_channels = 0;
mphy->hw->wiphy->bands[NL80211_BAND_2GHZ] = NULL;
/* The second interface does not get any packets unless it has a vif */
ieee80211_hw_set(mphy->hw, WANT_MONITOR_VIF);
ret = mt76_register_phy(mphy);
if (ret)
ieee80211_free_hw(mphy->hw);
@ -457,5 +455,9 @@ void mt7615_init_device(struct mt7615_dev *dev)
IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
mt7615_cap_dbdc_disable(dev);
dev->phy.dfs_state = -1;
#ifdef CONFIG_NL80211_TESTMODE
dev->mt76.test_ops = &mt7615_testmode_ops;
#endif
}
EXPORT_SYMBOL_GPL(mt7615_init_device);

36
drivers/net/wireless/mediatek/mt76/mt7615/mac.c
View File

@ -186,6 +186,40 @@ mt7615_get_status_freq_info(struct mt7615_dev *dev, struct mt76_phy *mphy,
status->freq = ieee80211_channel_to_frequency(chfreq, status->band);
}
static void mt7615_mac_fill_tm_rx(struct mt7615_dev *dev, __le32 *rxv)
{
#ifdef CONFIG_NL80211_TESTMODE
u32 rxv1 = le32_to_cpu(rxv[0]);
u32 rxv3 = le32_to_cpu(rxv[2]);
u32 rxv4 = le32_to_cpu(rxv[3]);
u32 rxv5 = le32_to_cpu(rxv[4]);
u8 cbw = FIELD_GET(MT_RXV1_FRAME_MODE, rxv1);
u8 mode = FIELD_GET(MT_RXV1_TX_MODE, rxv1);
s16 foe = FIELD_GET(MT_RXV5_FOE, rxv5);
u32 foe_const = (BIT(cbw + 1) & 0xf) * 10000;
if (!mode) {
/* CCK */
foe &= ~BIT(11);
foe *= 1000;
foe >>= 11;
} else {
if (foe > 2048)
foe -= 4096;
foe = (foe * foe_const) >> 15;
}
dev->test.last_freq_offset = foe;
dev->test.last_rcpi[0] = FIELD_GET(MT_RXV4_RCPI0, rxv4);
dev->test.last_rcpi[1] = FIELD_GET(MT_RXV4_RCPI1, rxv4);
dev->test.last_rcpi[2] = FIELD_GET(MT_RXV4_RCPI2, rxv4);
dev->test.last_rcpi[3] = FIELD_GET(MT_RXV4_RCPI3, rxv4);
dev->test.last_ib_rssi = FIELD_GET(MT_RXV3_IB_RSSI, rxv3);
dev->test.last_wb_rssi = FIELD_GET(MT_RXV3_WB_RSSI, rxv3);
#endif
}
static int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb)
{
struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
@ -401,6 +435,8 @@ static int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb)
status->chain_signal[i]);
}
mt7615_mac_fill_tm_rx(dev, rxd);
rxd += 6;
if ((u8 *)rxd - skb->data >= skb->len)
return -EINVAL;

5
drivers/net/wireless/mediatek/mt76/mt7615/mac.h
View File

@ -100,11 +100,16 @@ enum rx_pkt_type {
#define MT_RXV2_GROUP_ID GENMASK(26, 21)
#define MT_RXV2_LENGTH GENMASK(20, 0)
#define MT_RXV3_WB_RSSI GENMASK(31, 24)
#define MT_RXV3_IB_RSSI GENMASK(23, 16)
#define MT_RXV4_RCPI3 GENMASK(31, 24)
#define MT_RXV4_RCPI2 GENMASK(23, 16)
#define MT_RXV4_RCPI1 GENMASK(15, 8)
#define MT_RXV4_RCPI0 GENMASK(7, 0)
#define MT_RXV5_FOE GENMASK(11, 0)
#define MT_RXV6_NF3 GENMASK(31, 24)
#define MT_RXV6_NF2 GENMASK(23, 16)
#define MT_RXV6_NF1 GENMASK(15, 8)

44
drivers/net/wireless/mediatek/mt76/mt7615/main.c
View File

@ -76,6 +76,8 @@ static void mt7615_stop(struct ieee80211_hw *hw)
mutex_lock(&dev->mt76.mutex);
mt76_testmode_reset(&dev->mt76, true);
clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
cancel_delayed_work_sync(&phy->scan_work);
@ -137,6 +139,12 @@ static int mt7615_add_interface(struct ieee80211_hw *hw,
mutex_lock(&dev->mt76.mutex);
mt76_testmode_reset(&dev->mt76, true);
if (vif->type == NL80211_IFTYPE_MONITOR &&
is_zero_ether_addr(vif->addr))
phy->monitor_vif = vif;
mvif->idx = ffs(~dev->mphy.vif_mask) - 1;
if (mvif->idx >= MT7615_MAX_INTERFACES) {
ret = -ENOSPC;
@ -197,6 +205,13 @@ static void mt7615_remove_interface(struct ieee80211_hw *hw,
/* TODO: disable beacon for the bss */
mutex_lock(&dev->mt76.mutex);
mt76_testmode_reset(&dev->mt76, true);
mutex_unlock(&dev->mt76.mutex);
if (vif == phy->monitor_vif)
phy->monitor_vif = NULL;
mt7615_mcu_add_dev_info(dev, vif, false);
rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
@ -234,7 +249,7 @@ static void mt7615_init_dfs_state(struct mt7615_phy *phy)
phy->dfs_state = -1;
}
static int mt7615_set_channel(struct mt7615_phy *phy)
int mt7615_set_channel(struct mt7615_phy *phy)
{
struct mt7615_dev *dev = phy->dev;
bool ext_phy = phy != &dev->phy;
@ -260,7 +275,7 @@ static int mt7615_set_channel(struct mt7615_phy *phy)
mt7615_mac_set_timing(phy);
ret = mt7615_dfs_init_radar_detector(phy);
mt7615_mac_cca_stats_reset(phy);
mt7615_mcu_set_sku_en(phy, true);
mt7615_mcu_set_sku_en(phy, !mt76_testmode_enabled(&dev->mt76));
mt7615_mac_reset_counters(dev);
phy->noise = 0;
@ -271,8 +286,11 @@ static int mt7615_set_channel(struct mt7615_phy *phy)
mutex_unlock(&dev->mt76.mutex);
mt76_txq_schedule_all(phy->mt76);
ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mac_work,
MT7615_WATCHDOG_TIME);
if (!mt76_testmode_enabled(&dev->mt76))
ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mac_work,
MT7615_WATCHDOG_TIME);
return ret;
}
@ -369,6 +387,13 @@ static int mt7615_config(struct ieee80211_hw *hw, u32 changed)
if (changed & (IEEE80211_CONF_CHANGE_CHANNEL |
IEEE80211_CONF_CHANGE_POWER)) {
#ifdef CONFIG_NL80211_TESTMODE
if (dev->mt76.test.state != MT76_TM_STATE_OFF) {
mutex_lock(&dev->mt76.mutex);
mt76_testmode_reset(&dev->mt76, false);
mutex_unlock(&dev->mt76.mutex);
}
#endif
ieee80211_stop_queues(hw);
ret = mt7615_set_channel(phy);
ieee80211_wake_queues(hw);
@ -377,6 +402,8 @@ static int mt7615_config(struct ieee80211_hw *hw, u32 changed)
mutex_lock(&dev->mt76.mutex);
if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
mt76_testmode_reset(&dev->mt76, true);
if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
else
@ -419,10 +446,13 @@ static void mt7615_configure_filter(struct ieee80211_hw *hw,
MT_WF_RFCR1_DROP_CFACK;
u32 flags = 0;
mutex_lock(&dev->mt76.mutex);
#define MT76_FILTER(_flag, _hw) do { \
flags |= *total_flags & FIF_##_flag; \
phy->rxfilter &= ~(_hw); \
phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \
if (!mt76_testmode_enabled(&dev->mt76)) \
phy->rxfilter |= !(flags & FIF_##_flag) * (_hw);\
} while (0)
phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
@ -455,6 +485,8 @@ static void mt7615_configure_filter(struct ieee80211_hw *hw,
mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags);
else
mt76_set(dev, MT_WF_RFCR1(band), ctl_flags);
mutex_unlock(&dev->mt76.mutex);
}
static void mt7615_bss_info_changed(struct ieee80211_hw *hw,
@ -1069,6 +1101,8 @@ const struct ieee80211_ops mt7615_ops = {
.sched_scan_stop = mt7615_stop_sched_scan,
.remain_on_channel = mt7615_remain_on_channel,
.cancel_remain_on_channel = mt7615_cancel_remain_on_channel,
CFG80211_TESTMODE_CMD(mt76_testmode_cmd)
CFG80211_TESTMODE_DUMP(mt76_testmode_dump)
#ifdef CONFIG_PM
.suspend = mt7615_suspend,
.resume = mt7615_resume,

34
drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
View File

@ -2806,6 +2806,14 @@ int mt7615_mcu_set_chan_info(struct mt7615_phy *phy, int cmd)
.center_chan2 = ieee80211_frequency_to_channel(freq2),
};
#ifdef CONFIG_NL80211_TESTMODE
if (dev->mt76.test.state == MT76_TM_STATE_TX_FRAMES &&
dev->mt76.test.tx_antenna_mask) {
req.tx_streams = hweight8(dev->mt76.test.tx_antenna_mask);
req.rx_streams_mask = dev->mt76.test.tx_antenna_mask;
}
#endif
if (dev->mt76.hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD;
else if ((chandef->chan->flags & IEEE80211_CHAN_RADAR) &&
@ -2817,7 +2825,10 @@ int mt7615_mcu_set_chan_info(struct mt7615_phy *phy, int cmd)
req.band_idx = phy != &dev->phy;
req.bw = mt7615_mcu_chan_bw(chandef);
mt7615_mcu_set_txpower_sku(phy, req.txpower_sku);
if (mt76_testmode_enabled(&dev->mt76))
memset(req.txpower_sku, 0x3f, 49);
else
mt7615_mcu_set_txpower_sku(phy, req.txpower_sku);
return __mt76_mcu_send_msg(&dev->mt76, cmd, &req, sizeof(req), true);
}
@ -2835,6 +2846,27 @@ int mt7615_mcu_get_temperature(struct mt7615_dev *dev, int index)
sizeof(req), true);
}
int mt7615_mcu_set_test_param(struct mt7615_dev *dev, u8 param, bool test_mode,
u32 val)
{
struct {
u8 test_mode_en;
u8 param_idx;
u8 _rsv[2];
__le32 value;
u8 pad[8];
} req = {
.test_mode_en = test_mode,
.param_idx = param,
.value = cpu_to_le32(val),
};
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_ATE_CTRL, &req,
sizeof(req), false);
}
int mt7615_mcu_set_sku_en(struct mt7615_phy *phy, bool enable)
{
struct mt7615_dev *dev = phy->dev;

6
drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
View File

@ -268,6 +268,7 @@ enum {
MCU_EXT_CMD_GET_TEMP = 0x2c,
MCU_EXT_CMD_WTBL_UPDATE = 0x32,
MCU_EXT_CMD_SET_RDD_CTRL = 0x3a,
MCU_EXT_CMD_ATE_CTRL = 0x3d,
MCU_EXT_CMD_PROTECT_CTRL = 0x3e,
MCU_EXT_CMD_DBDC_CTRL = 0x45,
MCU_EXT_CMD_MAC_INIT_CTRL = 0x46,
@ -289,6 +290,11 @@ enum {
MCU_UNI_CMD_HIF_CTRL = MCU_UNI_PREFIX | 0x07,
};
enum {
MCU_ATE_SET_FREQ_OFFSET = 0xa,
MCU_ATE_SET_TX_POWER_CONTROL = 0x15,
};
struct mt7615_mcu_uni_event {
u8 cid;
u8 pad[3];

18
drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
View File

@ -169,6 +169,8 @@ struct mt7615_phy {
struct mt76_phy *mt76;
struct mt7615_dev *dev;
struct ieee80211_vif *monitor_vif;
u32 rxfilter;
u32 omac_mask;
@ -283,6 +285,17 @@ struct mt7615_dev {
u32 debugfs_rf_wf;
u32 debugfs_rf_reg;
#ifdef CONFIG_NL80211_TESTMODE
struct {
u32 *reg_backup;
s16 last_freq_offset;
u8 last_rcpi[4];
s8 last_ib_rssi;
s8 last_wb_rssi;
} test;
#endif
};
enum tx_pkt_queue_idx {
@ -377,6 +390,7 @@ extern const u32 mt7615e_reg_map[__MT_BASE_MAX];
extern const u32 mt7663e_reg_map[__MT_BASE_MAX];
extern struct pci_driver mt7615_pci_driver;
extern struct platform_driver mt7622_wmac_driver;
extern const struct mt76_testmode_ops mt7615_testmode_ops;
#ifdef CONFIG_MT7622_WMAC
int mt7622_wmac_init(struct mt7615_dev *dev);
@ -488,6 +502,7 @@ void mt7615_init_txpower(struct mt7615_dev *dev,
struct ieee80211_supported_band *sband);
void mt7615_phy_init(struct mt7615_dev *dev);
void mt7615_mac_init(struct mt7615_dev *dev);
int mt7615_set_channel(struct mt7615_phy *phy);
int mt7615_mcu_restart(struct mt76_dev *dev);
void mt7615_update_channel(struct mt76_dev *mdev);
@ -531,6 +546,7 @@ int mt7615_mcu_set_eeprom(struct mt7615_dev *dev);
int mt7615_mcu_set_mac_enable(struct mt7615_dev *dev, int band, bool enable);
int mt7615_mcu_set_rts_thresh(struct mt7615_phy *phy, u32 val);
int mt7615_mcu_get_temperature(struct mt7615_dev *dev, int index);
int mt7615_mcu_set_tx_power(struct mt7615_phy *phy);
void mt7615_mcu_exit(struct mt7615_dev *dev);
void mt7615_mcu_fill_msg(struct mt7615_dev *dev, struct sk_buff *skb,
int cmd, int *wait_seq);
@ -569,6 +585,8 @@ int mt7615_mcu_set_pulse_th(struct mt7615_dev *dev,
const struct mt7615_dfs_pulse *pulse);
int mt7615_mcu_set_radar_th(struct mt7615_dev *dev, int index,
const struct mt7615_dfs_pattern *pattern);
int mt7615_mcu_set_test_param(struct mt7615_dev *dev, u8 param, bool test_mode,
u32 val);
int mt7615_mcu_set_sku_en(struct mt7615_phy *phy, bool enable);
int mt7615_mcu_apply_rx_dcoc(struct mt7615_phy *phy);
int mt7615_mcu_apply_tx_dpd(struct mt7615_phy *phy);

17
drivers/net/wireless/mediatek/mt76/mt7615/regs.h
View File

@ -212,6 +212,9 @@ enum mt7615_reg_base {
#define MT_WF_PHY_RXTD2_BASE MT_WF_PHY(0x2a00)
#define MT_WF_PHY_RXTD2(_n) (MT_WF_PHY_RXTD2_BASE + ((_n) << 2))
#define MT_WF_PHY_RFINTF3_0(_n) MT_WF_PHY(0x1100 + (_n) * 0x400)
#define MT_WF_PHY_RFINTF3_0_ANT GENMASK(7, 4)
#define MT_WF_CFG_BASE ((dev)->reg_map[MT_CFG_BASE])
#define MT_WF_CFG(ofs) (MT_WF_CFG_BASE + (ofs))
@ -255,6 +258,13 @@ enum mt7615_reg_base {
#define MT_WF_ARB_BASE ((dev)->reg_map[MT_ARB_BASE])
#define MT_WF_ARB(ofs) (MT_WF_ARB_BASE + (ofs))
#define MT_ARB_RQCR MT_WF_ARB(0x070)
#define MT_ARB_RQCR_RX_START BIT(0)
#define MT_ARB_RQCR_RXV_START BIT(4)
#define MT_ARB_RQCR_RXV_R_EN BIT(7)
#define MT_ARB_RQCR_RXV_T_EN BIT(8)
#define MT_ARB_RQCR_BAND_SHIFT 16
#define MT_ARB_SCR MT_WF_ARB(0x080)
#define MT_ARB_SCR_TX0_DISABLE BIT(8)
#define MT_ARB_SCR_RX0_DISABLE BIT(9)
@ -550,4 +560,11 @@ enum mt7615_reg_base {
#define MT_WL_RX_BUSY BIT(30)
#define MT_WL_TX_BUSY BIT(31)
#define MT_MCU_PTA_BASE 0x81060000
#define MT_MCU_PTA(_n) (MT_MCU_PTA_BASE + (_n))
#define MT_ANT_SWITCH_CON(n) MT_MCU_PTA(0x0c8)
#define MT_ANT_SWITCH_CON_MODE(_n) (GENMASK(4, 0) << (_n * 8))
#define MT_ANT_SWITCH_CON_MODE1(_n) (GENMASK(3, 0) << (_n * 8))
#endif

363
drivers/net/wireless/mediatek/mt76/mt7615/testmode.c Normal file
View File

@ -0,0 +1,363 @@
// SPDX-License-Identifier: ISC
/* Copyright (C) 2020 Felix Fietkau <nbd@nbd.name> */
#include "mt7615.h"
#include "eeprom.h"
#include "mcu.h"
enum {
TM_CHANGED_TXPOWER_CTRL,
TM_CHANGED_TXPOWER,
TM_CHANGED_FREQ_OFFSET,
/* must be last */
NUM_TM_CHANGED
};
static const u8 tm_change_map[] = {
[TM_CHANGED_TXPOWER_CTRL] = MT76_TM_ATTR_TX_POWER_CONTROL,
[TM_CHANGED_TXPOWER] = MT76_TM_ATTR_TX_POWER,
[TM_CHANGED_FREQ_OFFSET] = MT76_TM_ATTR_FREQ_OFFSET,
};
static const u32 reg_backup_list[] = {
MT_WF_PHY_RFINTF3_0(0),
MT_WF_PHY_RFINTF3_0(1),
MT_WF_PHY_RFINTF3_0(2),
MT_WF_PHY_RFINTF3_0(3),
MT_ANT_SWITCH_CON(2),
MT_ANT_SWITCH_CON(3),
MT_ANT_SWITCH_CON(4),
MT_ANT_SWITCH_CON(6),
MT_ANT_SWITCH_CON(7),
MT_ANT_SWITCH_CON(8),
};
static const struct {
u16 wf;
u16 reg;
} rf_backup_list[] = {
{ 0, 0x48 },
{ 1, 0x48 },
{ 2, 0x48 },
{ 3, 0x48 },
};
static int
mt7615_tm_set_tx_power(struct mt7615_phy *phy)
{
struct mt7615_dev *dev = phy->dev;
struct mt76_phy *mphy = phy->mt76;
int i, ret, n_chains = hweight8(mphy->antenna_mask);
struct cfg80211_chan_def *chandef = &mphy->chandef;
int freq = chandef->center_freq1, len, target_chains;
u8 *data, *eep = (u8 *)dev->mt76.eeprom.data;
enum nl80211_band band = chandef->chan->band;
struct sk_buff *skb;
struct {
u8 center_chan;
u8 dbdc_idx;
u8 band;
u8 rsv;
} __packed req_hdr = {
.center_chan = ieee80211_frequency_to_channel(freq),
.band = band,
.dbdc_idx = phy != &dev->phy,
};
u8 *tx_power = NULL;
if (dev->mt76.test.state != MT76_TM_STATE_OFF)
tx_power = dev->mt76.test.tx_power;
len = sizeof(req_hdr) + MT7615_EE_MAX - MT_EE_NIC_CONF_0;
skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req_hdr) + len);
if (!skb)
return -ENOMEM;
skb_put_data(skb, &req_hdr, sizeof(req_hdr));
data = skb_put_data(skb, eep + MT_EE_NIC_CONF_0, len);
target_chains = mt7615_ext_pa_enabled(dev, band) ? 1 : n_chains;
for (i = 0; i < target_chains; i++) {
int index;
ret = mt7615_eeprom_get_target_power_index(dev, chandef->chan, i);
if (ret < 0)
return -EINVAL;
index = ret - MT_EE_NIC_CONF_0;
if (tx_power && tx_power[i])
data[ret - MT_EE_NIC_CONF_0] = tx_power[i];
}
return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_EXT_CMD_SET_TX_POWER_CTRL, false);
}
static void
mt7615_tm_reg_backup_restore(struct mt7615_dev *dev)
{
u32 *b = dev->test.reg_backup;
int n_regs = ARRAY_SIZE(reg_backup_list);
int n_rf_regs = ARRAY_SIZE(rf_backup_list);
int i;
if (dev->mt76.test.state == MT76_TM_STATE_OFF) {
for (i = 0; i < n_regs; i++)
mt76_wr(dev, reg_backup_list[i], b[i]);
for (i = 0; i < n_rf_regs; i++)
mt7615_rf_wr(dev, rf_backup_list[i].wf,
rf_backup_list[i].reg, b[n_regs + i]);
return;
}
if (b)
return;
b = devm_kzalloc(dev->mt76.dev, 4 * (n_regs + n_rf_regs),
GFP_KERNEL);
if (!b)
return;
dev->test.reg_backup = b;
for (i = 0; i < n_regs; i++)
b[i] = mt76_rr(dev, reg_backup_list[i]);
for (i = 0; i < n_rf_regs; i++)
b[n_regs + i] = mt7615_rf_rr(dev, rf_backup_list[i].wf,
rf_backup_list[i].reg);
}
static void
mt7615_tm_init_phy(struct mt7615_dev *dev, struct mt7615_phy *phy)
{
unsigned int total_flags = ~0;
if (!test_bit(MT76_STATE_RUNNING, &phy->mt76->state))
return;
mutex_unlock(&dev->mt76.mutex);
mt7615_set_channel(phy);
mt7615_ops.configure_filter(phy->mt76->hw, 0, &total_flags, 0);
mutex_lock(&dev->mt76.mutex);
mt7615_tm_reg_backup_restore(dev);
}
static void
mt7615_tm_init(struct mt7615_dev *dev)
{
mt7615_tm_init_phy(dev, &dev->phy);
if (dev->mt76.phy2)
mt7615_tm_init_phy(dev, dev->mt76.phy2->priv);
}
static void
mt7615_tm_set_rx_enable(struct mt7615_dev *dev, bool en)
{
u32 rqcr_mask = (MT_ARB_RQCR_RX_START |
MT_ARB_RQCR_RXV_START |
MT_ARB_RQCR_RXV_R_EN |
MT_ARB_RQCR_RXV_T_EN) *
(BIT(0) | BIT(MT_ARB_RQCR_BAND_SHIFT));
if (en) {
mt76_clear(dev, MT_ARB_SCR,
MT_ARB_SCR_RX0_DISABLE | MT_ARB_SCR_RX1_DISABLE);
mt76_set(dev, MT_ARB_RQCR, rqcr_mask);
} else {
mt76_set(dev, MT_ARB_SCR,
MT_ARB_SCR_RX0_DISABLE | MT_ARB_SCR_RX1_DISABLE);
mt76_clear(dev, MT_ARB_RQCR, rqcr_mask);
}
}
static void
mt7615_tm_set_tx_antenna(struct mt7615_dev *dev, bool en)
{
struct mt76_testmode_data *td = &dev->mt76.test;
u8 mask = td->tx_antenna_mask;
int i;
if (!mask)
return;
if (!en)
mask = dev->phy.chainmask;
for (i = 0; i < 4; i++) {
mt76_rmw_field(dev, MT_WF_PHY_RFINTF3_0(i),
MT_WF_PHY_RFINTF3_0_ANT,
td->tx_antenna_mask & BIT(i) ? 0 : 0xa);
}
/* 2.4 GHz band */
mt76_rmw_field(dev, MT_ANT_SWITCH_CON(3), MT_ANT_SWITCH_CON_MODE(0),
(td->tx_antenna_mask & BIT(0)) ? 0x8 : 0x1b);
mt76_rmw_field(dev, MT_ANT_SWITCH_CON(4), MT_ANT_SWITCH_CON_MODE(2),
(td->tx_antenna_mask & BIT(1)) ? 0xe : 0x1b);
mt76_rmw_field(dev, MT_ANT_SWITCH_CON(6), MT_ANT_SWITCH_CON_MODE1(0),
(td->tx_antenna_mask & BIT(2)) ? 0x0 : 0xf);
mt76_rmw_field(dev, MT_ANT_SWITCH_CON(7), MT_ANT_SWITCH_CON_MODE1(2),
(td->tx_antenna_mask & BIT(3)) ? 0x6 : 0xf);
/* 5 GHz band */
mt76_rmw_field(dev, MT_ANT_SWITCH_CON(4), MT_ANT_SWITCH_CON_MODE(1),
(td->tx_antenna_mask & BIT(0)) ? 0xd : 0x1b);
mt76_rmw_field(dev, MT_ANT_SWITCH_CON(2), MT_ANT_SWITCH_CON_MODE(3),
(td->tx_antenna_mask & BIT(1)) ? 0x13 : 0x1b);
mt76_rmw_field(dev, MT_ANT_SWITCH_CON(7), MT_ANT_SWITCH_CON_MODE1(1),
(td->tx_antenna_mask & BIT(2)) ? 0x5 : 0xf);
mt76_rmw_field(dev, MT_ANT_SWITCH_CON(8), MT_ANT_SWITCH_CON_MODE1(3),
(td->tx_antenna_mask & BIT(3)) ? 0xb : 0xf);
for (i = 0; i < 4; i++) {
u32 val;
val = mt7615_rf_rr(dev, i, 0x48);
val &= ~(0x3ff << 20);
if (td->tx_antenna_mask & BIT(i))
val |= 3 << 20;
else
val |= (2 << 28) | (2 << 26) | (8 << 20);
mt7615_rf_wr(dev, i, 0x48, val);
}
}
static void
mt7615_tm_set_tx_frames(struct mt7615_dev *dev, bool en)
{
struct ieee80211_tx_info *info;
struct sk_buff *skb = dev->mt76.test.tx_skb;
mt7615_mcu_set_chan_info(&dev->phy, MCU_EXT_CMD_SET_RX_PATH);
mt7615_tm_set_tx_antenna(dev, en);
mt7615_tm_set_rx_enable(dev, !en);
if (!en || !skb)
return;
info = IEEE80211_SKB_CB(skb);
info->control.vif = dev->phy.monitor_vif;
}
static void
mt7615_tm_update_params(struct mt7615_dev *dev, u32 changed)
{
struct mt76_testmode_data *td = &dev->mt76.test;
bool en = dev->mt76.test.state != MT76_TM_STATE_OFF;
if (changed & BIT(TM_CHANGED_TXPOWER_CTRL))
mt7615_mcu_set_test_param(dev, MCU_ATE_SET_TX_POWER_CONTROL,
en, en && td->tx_power_control);
if (changed & BIT(TM_CHANGED_FREQ_OFFSET))
mt7615_mcu_set_test_param(dev, MCU_ATE_SET_FREQ_OFFSET,
en, en ? td->freq_offset : 0);
if (changed & BIT(TM_CHANGED_TXPOWER))
mt7615_tm_set_tx_power(&dev->phy);
}
static int
mt7615_tm_set_state(struct mt76_dev *mdev, enum mt76_testmode_state state)
{
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
struct mt76_testmode_data *td = &mdev->test;
enum mt76_testmode_state prev_state = td->state;
mdev->test.state = state;
if (prev_state == MT76_TM_STATE_TX_FRAMES)
mt7615_tm_set_tx_frames(dev, false);
else if (state == MT76_TM_STATE_TX_FRAMES)
mt7615_tm_set_tx_frames(dev, true);
if (state <= MT76_TM_STATE_IDLE)
mt7615_tm_init(dev);
if ((state == MT76_TM_STATE_IDLE &&
prev_state == MT76_TM_STATE_OFF) ||
(state == MT76_TM_STATE_OFF &&
prev_state == MT76_TM_STATE_IDLE)) {
u32 changed = 0;
int i;
for (i = 0; i < ARRAY_SIZE(tm_change_map); i++) {
u16 cur = tm_change_map[i];
if (td->param_set[cur / 32] & BIT(cur % 32))
changed |= BIT(i);
}
mt7615_tm_update_params(dev, changed);
}
return 0;
}
static int
mt7615_tm_set_params(struct mt76_dev *mdev, struct nlattr **tb,
enum mt76_testmode_state new_state)
{
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
struct mt76_testmode_data *td = &dev->mt76.test;
u32 changed = 0;
int i;
BUILD_BUG_ON(NUM_TM_CHANGED >= 32);
if (new_state == MT76_TM_STATE_OFF ||
td->state == MT76_TM_STATE_OFF)
return 0;
if (td->tx_antenna_mask & ~dev->phy.chainmask)
return -EINVAL;
for (i = 0; i < ARRAY_SIZE(tm_change_map); i++) {
if (tb[tm_change_map[i]])
changed |= BIT(i);
}
mt7615_tm_update_params(dev, changed);
return 0;
}
static int
mt7615_tm_dump_stats(struct mt76_dev *mdev, struct sk_buff *msg)
{
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
void *rx, *rssi;
int i;
rx = nla_nest_start(msg, MT76_TM_STATS_ATTR_LAST_RX);
if (!rx)
return -ENOMEM;
if (nla_put_s32(msg, MT76_TM_RX_ATTR_FREQ_OFFSET, dev->test.last_freq_offset) ||
nla_put_s32(msg, MT76_TM_RX_ATTR_IB_RSSI, dev->test.last_ib_rssi) ||
nla_put_s32(msg, MT76_TM_RX_ATTR_WB_RSSI, dev->test.last_wb_rssi))
return -ENOMEM;
rssi = nla_nest_start(msg, MT76_TM_RX_ATTR_RCPI);
if (!rssi)
return -ENOMEM;
for (i = 0; i < ARRAY_SIZE(dev->test.last_rcpi); i++)
if (nla_put_u8(msg, i, dev->test.last_rcpi[i]))
return -ENOMEM;
nla_nest_end(msg, rssi);
nla_nest_end(msg, rx);
return 0;
}
const struct mt76_testmode_ops mt7615_testmode_ops = {
.set_state = mt7615_tm_set_state,
.set_params = mt7615_tm_set_params,
.dump_stats = mt7615_tm_dump_stats,
};