diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7921/mcu.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/mcu.c | 1107 |
1 files changed, 1107 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c new file mode 100644 index 000000000..19640ff76 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c @@ -0,0 +1,1107 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2020 MediaTek Inc. */ + +#include <linux/fs.h> +#include <linux/firmware.h> +#include "mt7921.h" +#include "mt7921_trace.h" +#include "eeprom.h" +#include "mcu.h" +#include "mac.h" + +#define MT_STA_BFER BIT(0) +#define MT_STA_BFEE BIT(1) + +static bool mt7921_disable_clc; +module_param_named(disable_clc, mt7921_disable_clc, bool, 0644); +MODULE_PARM_DESC(disable_clc, "disable CLC support"); + +int mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd, + struct sk_buff *skb, int seq) +{ + int mcu_cmd = FIELD_GET(__MCU_CMD_FIELD_ID, cmd); + struct mt76_connac2_mcu_rxd *rxd; + int ret = 0; + + if (!skb) { + dev_err(mdev->dev, "Message %08x (seq %d) timeout\n", + cmd, seq); + mt7921_reset(mdev); + + return -ETIMEDOUT; + } + + rxd = (struct mt76_connac2_mcu_rxd *)skb->data; + if (seq != rxd->seq) + return -EAGAIN; + + if (cmd == MCU_CMD(PATCH_SEM_CONTROL) || + cmd == MCU_CMD(PATCH_FINISH_REQ)) { + skb_pull(skb, sizeof(*rxd) - 4); + ret = *skb->data; + } else if (cmd == MCU_EXT_CMD(THERMAL_CTRL)) { + skb_pull(skb, sizeof(*rxd) + 4); + ret = le32_to_cpu(*(__le32 *)skb->data); + } else if (cmd == MCU_UNI_CMD(DEV_INFO_UPDATE) || + cmd == MCU_UNI_CMD(BSS_INFO_UPDATE) || + cmd == MCU_UNI_CMD(STA_REC_UPDATE) || + cmd == MCU_UNI_CMD(HIF_CTRL) || + cmd == MCU_UNI_CMD(OFFLOAD) || + cmd == MCU_UNI_CMD(SUSPEND)) { + struct mt7921_mcu_uni_event *event; + + skb_pull(skb, sizeof(*rxd)); + event = (struct mt7921_mcu_uni_event *)skb->data; + ret = le32_to_cpu(event->status); + /* skip invalid event */ + if (mcu_cmd != event->cid) + ret = -EAGAIN; + } else if (cmd == MCU_CE_QUERY(REG_READ)) { + struct mt7921_mcu_reg_event *event; + + skb_pull(skb, sizeof(*rxd)); + event = (struct mt7921_mcu_reg_event *)skb->data; + ret = (int)le32_to_cpu(event->val); + } else { + skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd)); + } + + return ret; +} +EXPORT_SYMBOL_GPL(mt7921_mcu_parse_response); + +static int mt7921_mcu_read_eeprom(struct mt7921_dev *dev, u32 offset, u8 *val) +{ + struct mt7921_mcu_eeprom_info *res, req = { + .addr = cpu_to_le32(round_down(offset, + MT7921_EEPROM_BLOCK_SIZE)), + }; + struct sk_buff *skb; + int ret; + + ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_EXT_QUERY(EFUSE_ACCESS), + &req, sizeof(req), true, &skb); + if (ret) + return ret; + + res = (struct mt7921_mcu_eeprom_info *)skb->data; + *val = res->data[offset % MT7921_EEPROM_BLOCK_SIZE]; + dev_kfree_skb(skb); + + return 0; +} + +#ifdef CONFIG_PM + +static int +mt7921_mcu_set_ipv6_ns_filter(struct mt76_dev *dev, + struct ieee80211_vif *vif, bool suspend) +{ + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + struct { + struct { + u8 bss_idx; + u8 pad[3]; + } __packed hdr; + struct mt76_connac_arpns_tlv arpns; + } req = { + .hdr = { + .bss_idx = mvif->mt76.idx, + }, + .arpns = { + .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), + .len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv)), + .mode = suspend, + }, + }; + + return mt76_mcu_send_msg(dev, MCU_UNI_CMD_OFFLOAD, &req, sizeof(req), + true); +} + +void mt7921_mcu_set_suspend_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) +{ + if (IS_ENABLED(CONFIG_IPV6)) { + struct mt76_phy *phy = priv; + + mt7921_mcu_set_ipv6_ns_filter(phy->dev, vif, + !test_bit(MT76_STATE_RUNNING, + &phy->state)); + } + + mt76_connac_mcu_set_suspend_iter(priv, mac, vif); +} + +#endif /* CONFIG_PM */ + +static void +mt7921_mcu_scan_event(struct mt7921_dev *dev, struct sk_buff *skb) +{ + struct mt76_phy *mphy = &dev->mt76.phy; + struct mt7921_phy *phy = (struct mt7921_phy *)mphy->priv; + + spin_lock_bh(&dev->mt76.lock); + __skb_queue_tail(&phy->scan_event_list, skb); + spin_unlock_bh(&dev->mt76.lock); + + ieee80211_queue_delayed_work(mphy->hw, &phy->scan_work, + MT7921_HW_SCAN_TIMEOUT); +} + +static void +mt7921_mcu_connection_loss_iter(void *priv, u8 *mac, + struct ieee80211_vif *vif) +{ + struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; + struct mt76_connac_beacon_loss_event *event = priv; + + if (mvif->idx != event->bss_idx) + return; + + if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER) || + vif->type != NL80211_IFTYPE_STATION) + return; + + ieee80211_connection_loss(vif); +} + +static void +mt7921_mcu_connection_loss_event(struct mt7921_dev *dev, struct sk_buff *skb) +{ + struct mt76_connac_beacon_loss_event *event; + struct mt76_phy *mphy = &dev->mt76.phy; + + skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd)); + event = (struct mt76_connac_beacon_loss_event *)skb->data; + + ieee80211_iterate_active_interfaces_atomic(mphy->hw, + IEEE80211_IFACE_ITER_RESUME_ALL, + mt7921_mcu_connection_loss_iter, event); +} + +static void +mt7921_mcu_bss_event(struct mt7921_dev *dev, struct sk_buff *skb) +{ + struct mt76_phy *mphy = &dev->mt76.phy; + struct mt76_connac_mcu_bss_event *event; + + skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd)); + event = (struct mt76_connac_mcu_bss_event *)skb->data; + if (event->is_absent) + ieee80211_stop_queues(mphy->hw); + else + ieee80211_wake_queues(mphy->hw); +} + +static void +mt7921_mcu_debug_msg_event(struct mt7921_dev *dev, struct sk_buff *skb) +{ + struct mt7921_debug_msg { + __le16 id; + u8 type; + u8 flag; + __le32 value; + __le16 len; + u8 content[512]; + } __packed * msg; + + skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd)); + msg = (struct mt7921_debug_msg *)skb->data; + + if (msg->type == 3) { /* fw log */ + u16 len = min_t(u16, le16_to_cpu(msg->len), 512); + int i; + + for (i = 0 ; i < len; i++) { + if (!msg->content[i]) + msg->content[i] = ' '; + } + wiphy_info(mt76_hw(dev)->wiphy, "%.*s", len, msg->content); + } +} + +static void +mt7921_mcu_low_power_event(struct mt7921_dev *dev, struct sk_buff *skb) +{ + struct mt7921_mcu_lp_event { + u8 state; + u8 reserved[3]; + } __packed * event; + + skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd)); + event = (struct mt7921_mcu_lp_event *)skb->data; + + trace_lp_event(dev, event->state); +} + +static void +mt7921_mcu_tx_done_event(struct mt7921_dev *dev, struct sk_buff *skb) +{ + struct mt7921_mcu_tx_done_event *event; + + skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd)); + event = (struct mt7921_mcu_tx_done_event *)skb->data; + + mt7921_mac_add_txs(dev, event->txs); +} + +static void +mt7921_mcu_rx_unsolicited_event(struct mt7921_dev *dev, struct sk_buff *skb) +{ + struct mt76_connac2_mcu_rxd *rxd; + + rxd = (struct mt76_connac2_mcu_rxd *)skb->data; + switch (rxd->eid) { + case MCU_EVENT_BSS_BEACON_LOSS: + mt7921_mcu_connection_loss_event(dev, skb); + break; + case MCU_EVENT_SCHED_SCAN_DONE: + case MCU_EVENT_SCAN_DONE: + mt7921_mcu_scan_event(dev, skb); + return; + case MCU_EVENT_BSS_ABSENCE: + mt7921_mcu_bss_event(dev, skb); + break; + case MCU_EVENT_DBG_MSG: + mt7921_mcu_debug_msg_event(dev, skb); + break; + case MCU_EVENT_COREDUMP: + dev->fw_assert = true; + mt76_connac_mcu_coredump_event(&dev->mt76, skb, + &dev->coredump); + return; + case MCU_EVENT_LP_INFO: + mt7921_mcu_low_power_event(dev, skb); + break; + case MCU_EVENT_TX_DONE: + mt7921_mcu_tx_done_event(dev, skb); + break; + default: + break; + } + dev_kfree_skb(skb); +} + +void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb) +{ + struct mt76_connac2_mcu_rxd *rxd; + + if (skb_linearize(skb)) + return; + + rxd = (struct mt76_connac2_mcu_rxd *)skb->data; + + if (rxd->eid == 0x6) { + mt76_mcu_rx_event(&dev->mt76, skb); + return; + } + + if (rxd->ext_eid == MCU_EXT_EVENT_RATE_REPORT || + rxd->eid == MCU_EVENT_BSS_BEACON_LOSS || + rxd->eid == MCU_EVENT_SCHED_SCAN_DONE || + rxd->eid == MCU_EVENT_BSS_ABSENCE || + rxd->eid == MCU_EVENT_SCAN_DONE || + rxd->eid == MCU_EVENT_TX_DONE || + rxd->eid == MCU_EVENT_DBG_MSG || + rxd->eid == MCU_EVENT_COREDUMP || + rxd->eid == MCU_EVENT_LP_INFO || + !rxd->seq) + mt7921_mcu_rx_unsolicited_event(dev, skb); + else + mt76_mcu_rx_event(&dev->mt76, skb); +} + +/** starec & wtbl **/ +int mt7921_mcu_uni_tx_ba(struct mt7921_dev *dev, + struct ieee80211_ampdu_params *params, + bool enable) +{ + struct mt7921_sta *msta = (struct mt7921_sta *)params->sta->drv_priv; + + if (enable && !params->amsdu) + msta->wcid.amsdu = false; + + return mt76_connac_mcu_sta_ba(&dev->mt76, &msta->vif->mt76, params, + MCU_UNI_CMD(STA_REC_UPDATE), + enable, true); +} + +int mt7921_mcu_uni_rx_ba(struct mt7921_dev *dev, + struct ieee80211_ampdu_params *params, + bool enable) +{ + struct mt7921_sta *msta = (struct mt7921_sta *)params->sta->drv_priv; + + return mt76_connac_mcu_sta_ba(&dev->mt76, &msta->vif->mt76, params, + MCU_UNI_CMD(STA_REC_UPDATE), + enable, false); +} + +static char *mt7921_patch_name(struct mt7921_dev *dev) +{ + char *ret; + + if (is_mt7922(&dev->mt76)) + ret = MT7922_ROM_PATCH; + else + ret = MT7921_ROM_PATCH; + + return ret; +} + +static char *mt7921_ram_name(struct mt7921_dev *dev) +{ + char *ret; + + if (is_mt7922(&dev->mt76)) + ret = MT7922_FIRMWARE_WM; + else + ret = MT7921_FIRMWARE_WM; + + return ret; +} + +static int mt7921_load_clc(struct mt7921_dev *dev, const char *fw_name) +{ + const struct mt76_connac2_fw_trailer *hdr; + const struct mt76_connac2_fw_region *region; + const struct mt7921_clc *clc; + struct mt76_dev *mdev = &dev->mt76; + struct mt7921_phy *phy = &dev->phy; + const struct firmware *fw; + int ret, i, len, offset = 0; + u8 *clc_base = NULL, hw_encap = 0; + + if (mt7921_disable_clc || + mt76_is_usb(&dev->mt76)) + return 0; + + if (mt76_is_mmio(&dev->mt76)) { + ret = mt7921_mcu_read_eeprom(dev, MT_EE_HW_TYPE, &hw_encap); + if (ret) + return ret; + hw_encap = u8_get_bits(hw_encap, MT_EE_HW_TYPE_ENCAP); + } + + ret = request_firmware(&fw, fw_name, mdev->dev); + if (ret) + return ret; + + if (!fw || !fw->data || fw->size < sizeof(*hdr)) { + dev_err(mdev->dev, "Invalid firmware\n"); + ret = -EINVAL; + goto out; + } + + hdr = (const void *)(fw->data + fw->size - sizeof(*hdr)); + for (i = 0; i < hdr->n_region; i++) { + region = (const void *)((const u8 *)hdr - + (hdr->n_region - i) * sizeof(*region)); + len = le32_to_cpu(region->len); + + /* check if we have valid buffer size */ + if (offset + len > fw->size) { + dev_err(mdev->dev, "Invalid firmware region\n"); + ret = -EINVAL; + goto out; + } + + if ((region->feature_set & FW_FEATURE_NON_DL) && + region->type == FW_TYPE_CLC) { + clc_base = (u8 *)(fw->data + offset); + break; + } + offset += len; + } + + if (!clc_base) + goto out; + + for (offset = 0; offset < len; offset += le32_to_cpu(clc->len)) { + clc = (const struct mt7921_clc *)(clc_base + offset); + + /* do not init buf again if chip reset triggered */ + if (phy->clc[clc->idx]) + continue; + + /* header content sanity */ + if (clc->idx == MT7921_CLC_POWER && + u8_get_bits(clc->type, MT_EE_HW_TYPE_ENCAP) != hw_encap) + continue; + + phy->clc[clc->idx] = devm_kmemdup(mdev->dev, clc, + le32_to_cpu(clc->len), + GFP_KERNEL); + + if (!phy->clc[clc->idx]) { + ret = -ENOMEM; + goto out; + } + } + ret = mt7921_mcu_set_clc(dev, "00", ENVIRON_INDOOR); +out: + release_firmware(fw); + + return ret; +} + +static int mt7921_load_firmware(struct mt7921_dev *dev) +{ + int ret; + + ret = mt76_connac2_load_patch(&dev->mt76, mt7921_patch_name(dev)); + if (ret) + return ret; + + if (mt76_is_sdio(&dev->mt76)) { + /* activate again */ + ret = __mt7921_mcu_fw_pmctrl(dev); + if (!ret) + ret = __mt7921_mcu_drv_pmctrl(dev); + } + + ret = mt76_connac2_load_ram(&dev->mt76, mt7921_ram_name(dev), NULL); + if (ret) + return ret; + + if (!mt76_poll_msec(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY, + MT_TOP_MISC2_FW_N9_RDY, 1500)) { + dev_err(dev->mt76.dev, "Timeout for initializing firmware\n"); + + return -EIO; + } + +#ifdef CONFIG_PM + dev->mt76.hw->wiphy->wowlan = &mt76_connac_wowlan_support; +#endif /* CONFIG_PM */ + + dev_dbg(dev->mt76.dev, "Firmware init done\n"); + + return 0; +} + +int mt7921_mcu_fw_log_2_host(struct mt7921_dev *dev, u8 ctrl) +{ + struct { + u8 ctrl_val; + u8 pad[3]; + } data = { + .ctrl_val = ctrl + }; + + return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(FWLOG_2_HOST), + &data, sizeof(data), false); +} + +int mt7921_run_firmware(struct mt7921_dev *dev) +{ + int err; + + err = mt7921_load_firmware(dev); + if (err) + return err; + + err = mt76_connac_mcu_get_nic_capability(&dev->mphy); + if (err) + return err; + + set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); + err = mt7921_load_clc(dev, mt7921_ram_name(dev)); + if (err) + return err; + + return mt7921_mcu_fw_log_2_host(dev, 1); +} +EXPORT_SYMBOL_GPL(mt7921_run_firmware); + +int mt7921_mcu_set_tx(struct mt7921_dev *dev, struct ieee80211_vif *vif) +{ + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + struct edca { + __le16 cw_min; + __le16 cw_max; + __le16 txop; + __le16 aifs; + u8 guardtime; + u8 acm; + } __packed; + struct mt7921_mcu_tx { + struct edca edca[IEEE80211_NUM_ACS]; + u8 bss_idx; + u8 qos; + u8 wmm_idx; + u8 pad; + } __packed req = { + .bss_idx = mvif->mt76.idx, + .qos = vif->bss_conf.qos, + .wmm_idx = mvif->mt76.wmm_idx, + }; + struct mu_edca { + u8 cw_min; + u8 cw_max; + u8 aifsn; + u8 acm; + u8 timer; + u8 padding[3]; + }; + struct mt7921_mcu_mu_tx { + u8 ver; + u8 pad0; + __le16 len; + u8 bss_idx; + u8 qos; + u8 wmm_idx; + u8 pad1; + struct mu_edca edca[IEEE80211_NUM_ACS]; + u8 pad3[32]; + } __packed req_mu = { + .bss_idx = mvif->mt76.idx, + .qos = vif->bss_conf.qos, + .wmm_idx = mvif->mt76.wmm_idx, + }; + static const int to_aci[] = { 1, 0, 2, 3 }; + int ac, ret; + + for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { + struct ieee80211_tx_queue_params *q = &mvif->queue_params[ac]; + struct edca *e = &req.edca[to_aci[ac]]; + + e->aifs = cpu_to_le16(q->aifs); + e->txop = cpu_to_le16(q->txop); + + if (q->cw_min) + e->cw_min = cpu_to_le16(q->cw_min); + else + e->cw_min = cpu_to_le16(5); + + if (q->cw_max) + e->cw_max = cpu_to_le16(q->cw_max); + else + e->cw_max = cpu_to_le16(10); + } + + ret = mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_EDCA_PARMS), &req, + sizeof(req), false); + if (ret) + return ret; + + if (!vif->bss_conf.he_support) + return 0; + + for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { + struct ieee80211_he_mu_edca_param_ac_rec *q; + struct mu_edca *e; + + if (!mvif->queue_params[ac].mu_edca) + break; + + q = &mvif->queue_params[ac].mu_edca_param_rec; + e = &(req_mu.edca[to_aci[ac]]); + + e->cw_min = q->ecw_min_max & 0xf; + e->cw_max = (q->ecw_min_max & 0xf0) >> 4; + e->aifsn = q->aifsn; + e->timer = q->mu_edca_timer; + } + + return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_MU_EDCA_PARMS), + &req_mu, sizeof(req_mu), false); +} + +int mt7921_mcu_set_chan_info(struct mt7921_phy *phy, int cmd) +{ + struct mt7921_dev *dev = phy->dev; + struct cfg80211_chan_def *chandef = &phy->mt76->chandef; + int freq1 = chandef->center_freq1; + struct { + u8 control_ch; + u8 center_ch; + u8 bw; + u8 tx_streams_num; + u8 rx_streams; /* mask or num */ + u8 switch_reason; + u8 band_idx; + u8 center_ch2; /* for 80+80 only */ + __le16 cac_case; + u8 channel_band; + u8 rsv0; + __le32 outband_freq; + u8 txpower_drop; + u8 ap_bw; + u8 ap_center_ch; + u8 rsv1[57]; + } __packed req = { + .control_ch = chandef->chan->hw_value, + .center_ch = ieee80211_frequency_to_channel(freq1), + .bw = mt76_connac_chan_bw(chandef), + .tx_streams_num = hweight8(phy->mt76->antenna_mask), + .rx_streams = phy->mt76->antenna_mask, + .band_idx = phy != &dev->phy, + }; + + if (chandef->chan->band == NL80211_BAND_6GHZ) + req.channel_band = 2; + else + req.channel_band = chandef->chan->band; + + if (cmd == MCU_EXT_CMD(SET_RX_PATH) || + dev->mt76.hw->conf.flags & IEEE80211_CONF_MONITOR) + req.switch_reason = CH_SWITCH_NORMAL; + else if (dev->mt76.hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) + req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD; + else if (!cfg80211_reg_can_beacon(dev->mt76.hw->wiphy, chandef, + NL80211_IFTYPE_AP)) + req.switch_reason = CH_SWITCH_DFS; + else + req.switch_reason = CH_SWITCH_NORMAL; + + if (cmd == MCU_EXT_CMD(CHANNEL_SWITCH)) + req.rx_streams = hweight8(req.rx_streams); + + if (chandef->width == NL80211_CHAN_WIDTH_80P80) { + int freq2 = chandef->center_freq2; + + req.center_ch2 = ieee80211_frequency_to_channel(freq2); + } + + return mt76_mcu_send_msg(&dev->mt76, cmd, &req, sizeof(req), true); +} + +int mt7921_mcu_set_eeprom(struct mt7921_dev *dev) +{ + struct req_hdr { + u8 buffer_mode; + u8 format; + __le16 len; + } __packed req = { + .buffer_mode = EE_MODE_EFUSE, + .format = EE_FORMAT_WHOLE, + }; + + return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(EFUSE_BUFFER_MODE), + &req, sizeof(req), true); +} +EXPORT_SYMBOL_GPL(mt7921_mcu_set_eeprom); + +int mt7921_mcu_uni_bss_ps(struct mt7921_dev *dev, struct ieee80211_vif *vif) +{ + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + struct { + struct { + u8 bss_idx; + u8 pad[3]; + } __packed hdr; + struct ps_tlv { + __le16 tag; + __le16 len; + u8 ps_state; /* 0: device awake + * 1: static power save + * 2: dynamic power saving + * 3: enter TWT power saving + * 4: leave TWT power saving + */ + u8 pad[3]; + } __packed ps; + } __packed ps_req = { + .hdr = { + .bss_idx = mvif->mt76.idx, + }, + .ps = { + .tag = cpu_to_le16(UNI_BSS_INFO_PS), + .len = cpu_to_le16(sizeof(struct ps_tlv)), + .ps_state = vif->cfg.ps ? 2 : 0, + }, + }; + + if (vif->type != NL80211_IFTYPE_STATION) + return -EOPNOTSUPP; + + return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(BSS_INFO_UPDATE), + &ps_req, sizeof(ps_req), true); +} + +static int +mt7921_mcu_uni_bss_bcnft(struct mt7921_dev *dev, struct ieee80211_vif *vif, + bool enable) +{ + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + struct { + struct { + u8 bss_idx; + u8 pad[3]; + } __packed hdr; + struct bcnft_tlv { + __le16 tag; + __le16 len; + __le16 bcn_interval; + u8 dtim_period; + u8 pad; + } __packed bcnft; + } __packed bcnft_req = { + .hdr = { + .bss_idx = mvif->mt76.idx, + }, + .bcnft = { + .tag = cpu_to_le16(UNI_BSS_INFO_BCNFT), + .len = cpu_to_le16(sizeof(struct bcnft_tlv)), + .bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int), + .dtim_period = vif->bss_conf.dtim_period, + }, + }; + + if (vif->type != NL80211_IFTYPE_STATION) + return 0; + + return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(BSS_INFO_UPDATE), + &bcnft_req, sizeof(bcnft_req), true); +} + +int +mt7921_mcu_set_bss_pm(struct mt7921_dev *dev, struct ieee80211_vif *vif, + bool enable) +{ + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + struct { + u8 bss_idx; + u8 dtim_period; + __le16 aid; + __le16 bcn_interval; + __le16 atim_window; + u8 uapsd; + u8 bmc_delivered_ac; + u8 bmc_triggered_ac; + u8 pad; + } req = { + .bss_idx = mvif->mt76.idx, + .aid = cpu_to_le16(vif->cfg.aid), + .dtim_period = vif->bss_conf.dtim_period, + .bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int), + }; + struct { + u8 bss_idx; + u8 pad[3]; + } req_hdr = { + .bss_idx = mvif->mt76.idx, + }; + int err; + + err = mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_BSS_ABORT), + &req_hdr, sizeof(req_hdr), false); + if (err < 0 || !enable) + return err; + + return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_BSS_CONNECTED), + &req, sizeof(req), false); +} + +int mt7921_mcu_sta_update(struct mt7921_dev *dev, struct ieee80211_sta *sta, + struct ieee80211_vif *vif, bool enable, + enum mt76_sta_info_state state) +{ + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + int rssi = -ewma_rssi_read(&mvif->rssi); + struct mt76_sta_cmd_info info = { + .sta = sta, + .vif = vif, + .enable = enable, + .cmd = MCU_UNI_CMD(STA_REC_UPDATE), + .state = state, + .offload_fw = true, + .rcpi = to_rcpi(rssi), + }; + struct mt7921_sta *msta; + + msta = sta ? (struct mt7921_sta *)sta->drv_priv : NULL; + info.wcid = msta ? &msta->wcid : &mvif->sta.wcid; + info.newly = msta ? state != MT76_STA_INFO_STATE_ASSOC : true; + + return mt76_connac_mcu_sta_cmd(&dev->mphy, &info); +} + +int mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev) +{ + struct mt76_phy *mphy = &dev->mt76.phy; + struct mt76_connac_pm *pm = &dev->pm; + int err = 0; + + mutex_lock(&pm->mutex); + + if (!test_bit(MT76_STATE_PM, &mphy->state)) + goto out; + + err = __mt7921_mcu_drv_pmctrl(dev); +out: + mutex_unlock(&pm->mutex); + + if (err) + mt7921_reset(&dev->mt76); + + return err; +} +EXPORT_SYMBOL_GPL(mt7921_mcu_drv_pmctrl); + +int mt7921_mcu_fw_pmctrl(struct mt7921_dev *dev) +{ + struct mt76_phy *mphy = &dev->mt76.phy; + struct mt76_connac_pm *pm = &dev->pm; + int err = 0; + + mutex_lock(&pm->mutex); + + if (mt76_connac_skip_fw_pmctrl(mphy, pm)) + goto out; + + err = __mt7921_mcu_fw_pmctrl(dev); +out: + mutex_unlock(&pm->mutex); + + if (err) + mt7921_reset(&dev->mt76); + + return err; +} +EXPORT_SYMBOL_GPL(mt7921_mcu_fw_pmctrl); + +int mt7921_mcu_set_beacon_filter(struct mt7921_dev *dev, + struct ieee80211_vif *vif, + bool enable) +{ + int err; + + if (enable) { + err = mt7921_mcu_uni_bss_bcnft(dev, vif, true); + if (err) + return err; + + mt76_set(dev, MT_WF_RFCR(0), MT_WF_RFCR_DROP_OTHER_BEACON); + + return 0; + } + + err = mt7921_mcu_set_bss_pm(dev, vif, false); + if (err) + return err; + + mt76_clear(dev, MT_WF_RFCR(0), MT_WF_RFCR_DROP_OTHER_BEACON); + + return 0; +} + +int mt7921_get_txpwr_info(struct mt7921_dev *dev, struct mt7921_txpwr *txpwr) +{ + struct mt7921_txpwr_event *event; + struct mt7921_txpwr_req req = { + .dbdc_idx = 0, + }; + struct sk_buff *skb; + int ret; + + ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_CE_CMD(GET_TXPWR), + &req, sizeof(req), true, &skb); + if (ret) + return ret; + + event = (struct mt7921_txpwr_event *)skb->data; + WARN_ON(skb->len != le16_to_cpu(event->len)); + memcpy(txpwr, &event->txpwr, sizeof(event->txpwr)); + + dev_kfree_skb(skb); + + return 0; +} + +int mt7921_mcu_set_sniffer(struct mt7921_dev *dev, struct ieee80211_vif *vif, + bool enable) +{ + struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; + struct { + struct { + u8 band_idx; + u8 pad[3]; + } __packed hdr; + struct sniffer_enable_tlv { + __le16 tag; + __le16 len; + u8 enable; + u8 pad[3]; + } __packed enable; + } req = { + .hdr = { + .band_idx = mvif->band_idx, + }, + .enable = { + .tag = cpu_to_le16(0), + .len = cpu_to_le16(sizeof(struct sniffer_enable_tlv)), + .enable = enable, + }, + }; + + return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(SNIFFER), &req, sizeof(req), + true); +} + +int +mt7921_mcu_uni_add_beacon_offload(struct mt7921_dev *dev, + struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + bool enable) +{ + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + struct mt76_wcid *wcid = &dev->mt76.global_wcid; + struct ieee80211_mutable_offsets offs; + struct { + struct req_hdr { + u8 bss_idx; + u8 pad[3]; + } __packed hdr; + struct bcn_content_tlv { + __le16 tag; + __le16 len; + __le16 tim_ie_pos; + __le16 csa_ie_pos; + __le16 bcc_ie_pos; + /* 0: disable beacon offload + * 1: enable beacon offload + * 2: update probe respond offload + */ + u8 enable; + /* 0: legacy format (TXD + payload) + * 1: only cap field IE + */ + u8 type; + __le16 pkt_len; + u8 pkt[512]; + } __packed beacon_tlv; + } req = { + .hdr = { + .bss_idx = mvif->mt76.idx, + }, + .beacon_tlv = { + .tag = cpu_to_le16(UNI_BSS_INFO_BCN_CONTENT), + .len = cpu_to_le16(sizeof(struct bcn_content_tlv)), + .enable = enable, + }, + }; + struct sk_buff *skb; + + /* support enable/update process only + * disable flow would be handled in bss stop handler automatically + */ + if (!enable) + return -EOPNOTSUPP; + + skb = ieee80211_beacon_get_template(mt76_hw(dev), vif, &offs, 0); + if (!skb) + return -EINVAL; + + if (skb->len > 512 - MT_TXD_SIZE) { + dev_err(dev->mt76.dev, "beacon size limit exceed\n"); + dev_kfree_skb(skb); + return -EINVAL; + } + + mt76_connac2_mac_write_txwi(&dev->mt76, (__le32 *)(req.beacon_tlv.pkt), + skb, wcid, NULL, 0, 0, BSS_CHANGED_BEACON); + memcpy(req.beacon_tlv.pkt + MT_TXD_SIZE, skb->data, skb->len); + req.beacon_tlv.pkt_len = cpu_to_le16(MT_TXD_SIZE + skb->len); + req.beacon_tlv.tim_ie_pos = cpu_to_le16(MT_TXD_SIZE + offs.tim_offset); + + if (offs.cntdwn_counter_offs[0]) { + u16 csa_offs; + + csa_offs = MT_TXD_SIZE + offs.cntdwn_counter_offs[0] - 4; + req.beacon_tlv.csa_ie_pos = cpu_to_le16(csa_offs); + } + dev_kfree_skb(skb); + + return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(BSS_INFO_UPDATE), + &req, sizeof(req), true); +} + +static +int __mt7921_mcu_set_clc(struct mt7921_dev *dev, u8 *alpha2, + enum environment_cap env_cap, + struct mt7921_clc *clc, + u8 idx) +{ + struct sk_buff *skb; + struct { + u8 ver; + u8 pad0; + __le16 len; + u8 idx; + u8 env; + u8 pad1[2]; + u8 alpha2[2]; + u8 type[2]; + u8 rsvd[64]; + } __packed req = { + .ver = 1, + .idx = idx, + .env = env_cap, + }; + int ret, valid_cnt = 0; + u16 buf_len = 0; + u8 *pos; + + if (!clc) + return 0; + + buf_len = le16_to_cpu(clc->len) - sizeof(*clc); + pos = clc->data; + while (buf_len > 16) { + struct mt7921_clc_rule *rule = (struct mt7921_clc_rule *)pos; + u16 len = le16_to_cpu(rule->len); + u16 offset = len + sizeof(*rule); + + pos += offset; + buf_len -= offset; + if (rule->alpha2[0] != alpha2[0] || + rule->alpha2[1] != alpha2[1]) + continue; + + memcpy(req.alpha2, rule->alpha2, 2); + memcpy(req.type, rule->type, 2); + + req.len = cpu_to_le16(sizeof(req) + len); + skb = __mt76_mcu_msg_alloc(&dev->mt76, &req, + le16_to_cpu(req.len), + sizeof(req), GFP_KERNEL); + if (!skb) + return -ENOMEM; + skb_put_data(skb, rule->data, len); + + ret = mt76_mcu_skb_send_msg(&dev->mt76, skb, + MCU_CE_CMD(SET_CLC), false); + if (ret < 0) + return ret; + valid_cnt++; + } + + if (!valid_cnt) + return -ENOENT; + + return 0; +} + +int mt7921_mcu_set_clc(struct mt7921_dev *dev, u8 *alpha2, + enum environment_cap env_cap) +{ + struct mt7921_phy *phy = (struct mt7921_phy *)&dev->phy; + int i, ret; + + /* submit all clc config */ + for (i = 0; i < ARRAY_SIZE(phy->clc); i++) { + ret = __mt7921_mcu_set_clc(dev, alpha2, env_cap, + phy->clc[i], i); + + /* If no country found, set "00" as default */ + if (ret == -ENOENT) + ret = __mt7921_mcu_set_clc(dev, "00", + ENVIRON_INDOOR, + phy->clc[i], i); + if (ret < 0) + return ret; + } + return 0; +} |