developer | 0f312e8 | 2022-11-01 12:31:52 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: ISC |
| 2 | |
| 3 | #include "mt7921.h" |
| 4 | #include "mcu.h" |
| 5 | |
| 6 | enum mt7921_testmode_attr { |
| 7 | MT7921_TM_ATTR_UNSPEC, |
| 8 | MT7921_TM_ATTR_SET, |
| 9 | MT7921_TM_ATTR_QUERY, |
| 10 | MT7921_TM_ATTR_RSP, |
| 11 | |
| 12 | /* keep last */ |
| 13 | NUM_MT7921_TM_ATTRS, |
| 14 | MT7921_TM_ATTR_MAX = NUM_MT7921_TM_ATTRS - 1, |
| 15 | }; |
| 16 | |
| 17 | struct mt7921_tm_cmd { |
| 18 | u8 action; |
| 19 | u32 param0; |
| 20 | u32 param1; |
| 21 | }; |
| 22 | |
| 23 | struct mt7921_tm_evt { |
| 24 | u32 param0; |
| 25 | u32 param1; |
| 26 | }; |
| 27 | |
| 28 | static const struct nla_policy mt7921_tm_policy[NUM_MT7921_TM_ATTRS] = { |
| 29 | [MT7921_TM_ATTR_SET] = NLA_POLICY_EXACT_LEN(sizeof(struct mt7921_tm_cmd)), |
| 30 | [MT7921_TM_ATTR_QUERY] = NLA_POLICY_EXACT_LEN(sizeof(struct mt7921_tm_cmd)), |
| 31 | }; |
| 32 | |
| 33 | static int |
| 34 | mt7921_tm_set(struct mt7921_dev *dev, struct mt7921_tm_cmd *req) |
| 35 | { |
| 36 | struct mt7921_rftest_cmd cmd = { |
| 37 | .action = req->action, |
| 38 | .param0 = cpu_to_le32(req->param0), |
| 39 | .param1 = cpu_to_le32(req->param1), |
| 40 | }; |
| 41 | bool testmode = false, normal = false; |
| 42 | struct mt76_connac_pm *pm = &dev->pm; |
| 43 | struct mt76_phy *phy = &dev->mphy; |
| 44 | int ret = -ENOTCONN; |
| 45 | |
| 46 | mutex_lock(&dev->mt76.mutex); |
| 47 | |
| 48 | if (req->action == TM_SWITCH_MODE) { |
| 49 | if (req->param0 == MT7921_TM_NORMAL) |
| 50 | normal = true; |
| 51 | else |
| 52 | testmode = true; |
| 53 | } |
| 54 | |
| 55 | if (testmode) { |
| 56 | /* Make sure testmode running on full power mode */ |
| 57 | pm->enable = false; |
| 58 | cancel_delayed_work_sync(&pm->ps_work); |
| 59 | cancel_work_sync(&pm->wake_work); |
| 60 | __mt7921_mcu_drv_pmctrl(dev); |
| 61 | |
| 62 | mt76_wr(dev, MT_WF_RFCR(0), dev->mt76.rxfilter); |
| 63 | phy->test.state = MT76_TM_STATE_ON; |
| 64 | } |
| 65 | |
| 66 | if (!mt76_testmode_enabled(phy)) |
| 67 | goto out; |
| 68 | |
| 69 | ret = mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(TEST_CTRL), &cmd, |
| 70 | sizeof(cmd), false); |
| 71 | if (ret) |
| 72 | goto out; |
| 73 | |
| 74 | if (normal) { |
| 75 | /* Switch back to the normal world */ |
| 76 | phy->test.state = MT76_TM_STATE_OFF; |
| 77 | pm->enable = true; |
| 78 | } |
| 79 | out: |
| 80 | mutex_unlock(&dev->mt76.mutex); |
| 81 | |
| 82 | return ret; |
| 83 | } |
| 84 | |
| 85 | static int |
| 86 | mt7921_tm_query(struct mt7921_dev *dev, struct mt7921_tm_cmd *req, |
| 87 | struct mt7921_tm_evt *evt_resp) |
| 88 | { |
| 89 | struct mt7921_rftest_cmd cmd = { |
| 90 | .action = req->action, |
| 91 | .param0 = cpu_to_le32(req->param0), |
| 92 | .param1 = cpu_to_le32(req->param1), |
| 93 | }; |
| 94 | struct mt7921_rftest_evt *evt; |
| 95 | struct sk_buff *skb; |
| 96 | int ret; |
| 97 | |
| 98 | ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_CE_CMD(TEST_CTRL), |
| 99 | &cmd, sizeof(cmd), true, &skb); |
| 100 | if (ret) |
| 101 | goto out; |
| 102 | |
| 103 | evt = (struct mt7921_rftest_evt *)skb->data; |
| 104 | evt_resp->param0 = le32_to_cpu(evt->param0); |
| 105 | evt_resp->param1 = le32_to_cpu(evt->param1); |
| 106 | out: |
| 107 | dev_kfree_skb(skb); |
| 108 | |
| 109 | return ret; |
| 110 | } |
| 111 | |
| 112 | int mt7921_testmode_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 113 | void *data, int len) |
| 114 | { |
| 115 | struct nlattr *tb[NUM_MT76_TM_ATTRS]; |
| 116 | struct mt76_phy *mphy = hw->priv; |
| 117 | struct mt7921_phy *phy = mphy->priv; |
| 118 | int err; |
| 119 | |
| 120 | if (!test_bit(MT76_STATE_RUNNING, &mphy->state) || |
| 121 | !(hw->conf.flags & IEEE80211_CONF_MONITOR)) |
| 122 | return -ENOTCONN; |
| 123 | |
| 124 | err = nla_parse_deprecated(tb, MT76_TM_ATTR_MAX, data, len, |
| 125 | mt76_tm_policy, NULL); |
| 126 | if (err) |
| 127 | return err; |
| 128 | |
| 129 | if (tb[MT76_TM_ATTR_DRV_DATA]) { |
| 130 | struct nlattr *drv_tb[NUM_MT7921_TM_ATTRS], *data; |
| 131 | int ret; |
| 132 | |
| 133 | data = tb[MT76_TM_ATTR_DRV_DATA]; |
| 134 | ret = nla_parse_nested_deprecated(drv_tb, |
| 135 | MT7921_TM_ATTR_MAX, |
| 136 | data, mt7921_tm_policy, |
| 137 | NULL); |
| 138 | if (ret) |
| 139 | return ret; |
| 140 | |
| 141 | data = drv_tb[MT7921_TM_ATTR_SET]; |
| 142 | if (data) |
| 143 | return mt7921_tm_set(phy->dev, nla_data(data)); |
| 144 | } |
| 145 | |
| 146 | return -EINVAL; |
| 147 | } |
| 148 | |
| 149 | int mt7921_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *msg, |
| 150 | struct netlink_callback *cb, void *data, int len) |
| 151 | { |
| 152 | struct nlattr *tb[NUM_MT76_TM_ATTRS]; |
| 153 | struct mt76_phy *mphy = hw->priv; |
| 154 | struct mt7921_phy *phy = mphy->priv; |
| 155 | int err; |
| 156 | |
| 157 | if (!test_bit(MT76_STATE_RUNNING, &mphy->state) || |
| 158 | !(hw->conf.flags & IEEE80211_CONF_MONITOR) || |
| 159 | !mt76_testmode_enabled(mphy)) |
| 160 | return -ENOTCONN; |
| 161 | |
| 162 | if (cb->args[2]++ > 0) |
| 163 | return -ENOENT; |
| 164 | |
| 165 | err = nla_parse_deprecated(tb, MT76_TM_ATTR_MAX, data, len, |
| 166 | mt76_tm_policy, NULL); |
| 167 | if (err) |
| 168 | return err; |
| 169 | |
| 170 | if (tb[MT76_TM_ATTR_DRV_DATA]) { |
| 171 | struct nlattr *drv_tb[NUM_MT7921_TM_ATTRS], *data; |
| 172 | int ret; |
| 173 | |
| 174 | data = tb[MT76_TM_ATTR_DRV_DATA]; |
| 175 | ret = nla_parse_nested_deprecated(drv_tb, |
| 176 | MT7921_TM_ATTR_MAX, |
| 177 | data, mt7921_tm_policy, |
| 178 | NULL); |
| 179 | if (ret) |
| 180 | return ret; |
| 181 | |
| 182 | data = drv_tb[MT7921_TM_ATTR_QUERY]; |
| 183 | if (data) { |
| 184 | struct mt7921_tm_evt evt_resp; |
| 185 | |
| 186 | err = mt7921_tm_query(phy->dev, nla_data(data), |
| 187 | &evt_resp); |
| 188 | if (err) |
| 189 | return err; |
| 190 | |
| 191 | return nla_put(msg, MT7921_TM_ATTR_RSP, |
| 192 | sizeof(evt_resp), &evt_resp); |
| 193 | } |
| 194 | } |
| 195 | |
| 196 | return -EINVAL; |
| 197 | } |