diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7921/testmode.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/testmode.c | 197 |
1 files changed, 197 insertions, 0 deletions
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; +} |