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// 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_CE_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_CE_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;
}
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