// SPDX-License-Identifier: ISC /* Copyright (C) 2020 MediaTek Inc. */ #include #include #include "mt7921.h" #include "mcu.h" #include "mac.h" struct mt7921_patch_hdr { char build_date[16]; char platform[4]; __be32 hw_sw_ver; __be32 patch_ver; __be16 checksum; u16 reserved; struct { __be32 patch_ver; __be32 subsys; __be32 feature; __be32 n_region; __be32 crc; u32 reserved[11]; } desc; } __packed; struct mt7921_patch_sec { __be32 type; __be32 offs; __be32 size; union { __be32 spec[13]; struct { __be32 addr; __be32 len; __be32 sec_key_idx; __be32 align_len; u32 reserved[9]; } info; }; } __packed; struct mt7921_fw_trailer { u8 chip_id; u8 eco_code; u8 n_region; u8 format_ver; u8 format_flag; u8 reserved[2]; char fw_ver[10]; char build_date[15]; u32 crc; } __packed; struct mt7921_fw_region { __le32 decomp_crc; __le32 decomp_len; __le32 decomp_blk_sz; u8 reserved[4]; __le32 addr; __le32 len; u8 feature_set; u8 reserved1[15]; } __packed; #define MCU_PATCH_ADDRESS 0x200000 #define MT_STA_BFER BIT(0) #define MT_STA_BFEE BIT(1) #define FW_FEATURE_SET_ENCRYPT BIT(0) #define FW_FEATURE_SET_KEY_IDX GENMASK(2, 1) #define FW_FEATURE_ENCRY_MODE BIT(4) #define FW_FEATURE_OVERRIDE_ADDR BIT(5) #define DL_MODE_ENCRYPT BIT(0) #define DL_MODE_KEY_IDX GENMASK(2, 1) #define DL_MODE_RESET_SEC_IV BIT(3) #define DL_MODE_WORKING_PDA_CR4 BIT(4) #define DL_CONFIG_ENCRY_MODE_SEL BIT(6) #define DL_MODE_NEED_RSP BIT(31) #define FW_START_OVERRIDE BIT(0) #define FW_START_WORKING_PDA_CR4 BIT(2) #define PATCH_SEC_TYPE_MASK GENMASK(15, 0) #define PATCH_SEC_TYPE_INFO 0x2 #define to_wcid_lo(id) FIELD_GET(GENMASK(7, 0), (u16)id) #define to_wcid_hi(id) FIELD_GET(GENMASK(9, 8), (u16)id) #define HE_PHY(p, c) u8_get_bits(c, IEEE80211_HE_PHY_##p) #define HE_MAC(m, c) u8_get_bits(c, IEEE80211_HE_MAC_##m) static enum mt7921_cipher_type mt7921_mcu_get_cipher(int cipher) { switch (cipher) { case WLAN_CIPHER_SUITE_WEP40: return MT_CIPHER_WEP40; case WLAN_CIPHER_SUITE_WEP104: return MT_CIPHER_WEP104; case WLAN_CIPHER_SUITE_TKIP: return MT_CIPHER_TKIP; case WLAN_CIPHER_SUITE_AES_CMAC: return MT_CIPHER_BIP_CMAC_128; case WLAN_CIPHER_SUITE_CCMP: return MT_CIPHER_AES_CCMP; case WLAN_CIPHER_SUITE_CCMP_256: return MT_CIPHER_CCMP_256; case WLAN_CIPHER_SUITE_GCMP: return MT_CIPHER_GCMP; case WLAN_CIPHER_SUITE_GCMP_256: return MT_CIPHER_GCMP_256; case WLAN_CIPHER_SUITE_SMS4: return MT_CIPHER_WAPI; default: return MT_CIPHER_NONE; } } static u8 mt7921_mcu_chan_bw(struct cfg80211_chan_def *chandef) { static const u8 width_to_bw[] = { [NL80211_CHAN_WIDTH_40] = CMD_CBW_40MHZ, [NL80211_CHAN_WIDTH_80] = CMD_CBW_80MHZ, [NL80211_CHAN_WIDTH_80P80] = CMD_CBW_8080MHZ, [NL80211_CHAN_WIDTH_160] = CMD_CBW_160MHZ, [NL80211_CHAN_WIDTH_5] = CMD_CBW_5MHZ, [NL80211_CHAN_WIDTH_10] = CMD_CBW_10MHZ, [NL80211_CHAN_WIDTH_20] = CMD_CBW_20MHZ, [NL80211_CHAN_WIDTH_20_NOHT] = CMD_CBW_20MHZ, }; if (chandef->width >= ARRAY_SIZE(width_to_bw)) return 0; return width_to_bw[chandef->width]; } static const struct ieee80211_sta_he_cap * mt7921_get_he_phy_cap(struct mt7921_phy *phy, struct ieee80211_vif *vif) { struct ieee80211_supported_band *sband; enum nl80211_band band; band = phy->mt76->chandef.chan->band; sband = phy->mt76->hw->wiphy->bands[band]; return ieee80211_get_he_iftype_cap(sband, vif->type); } static u8 mt7921_get_phy_mode(struct mt7921_dev *dev, struct ieee80211_vif *vif, enum nl80211_band band, struct ieee80211_sta *sta) { struct ieee80211_sta_ht_cap *ht_cap; struct ieee80211_sta_vht_cap *vht_cap; const struct ieee80211_sta_he_cap *he_cap; u8 mode = 0; if (sta) { ht_cap = &sta->ht_cap; vht_cap = &sta->vht_cap; he_cap = &sta->he_cap; } else { struct ieee80211_supported_band *sband; struct mt7921_phy *phy = &dev->phy; sband = phy->mt76->hw->wiphy->bands[band]; ht_cap = &sband->ht_cap; vht_cap = &sband->vht_cap; he_cap = ieee80211_get_he_iftype_cap(sband, vif->type); } if (band == NL80211_BAND_2GHZ) { mode |= PHY_MODE_B | PHY_MODE_G; if (ht_cap->ht_supported) mode |= PHY_MODE_GN; if (he_cap->has_he) mode |= PHY_MODE_AX_24G; } else if (band == NL80211_BAND_5GHZ) { mode |= PHY_MODE_A; if (ht_cap->ht_supported) mode |= PHY_MODE_AN; if (vht_cap->vht_supported) mode |= PHY_MODE_AC; if (he_cap->has_he) mode |= PHY_MODE_AX_5G; } return mode; } static u8 mt7921_get_phy_mode_v2(struct mt7921_dev *dev, struct ieee80211_vif *vif, enum nl80211_band band, struct ieee80211_sta *sta) { struct ieee80211_sta_ht_cap *ht_cap; struct ieee80211_sta_vht_cap *vht_cap; const struct ieee80211_sta_he_cap *he_cap; u8 mode = 0; if (sta) { ht_cap = &sta->ht_cap; vht_cap = &sta->vht_cap; he_cap = &sta->he_cap; } else { struct ieee80211_supported_band *sband; struct mt7921_phy *phy = &dev->phy; sband = phy->mt76->hw->wiphy->bands[band]; ht_cap = &sband->ht_cap; vht_cap = &sband->vht_cap; he_cap = ieee80211_get_he_iftype_cap(sband, vif->type); } if (band == NL80211_BAND_2GHZ) { mode |= PHY_TYPE_BIT_HR_DSSS | PHY_TYPE_BIT_ERP; if (ht_cap->ht_supported) mode |= PHY_TYPE_BIT_HT; if (he_cap->has_he) mode |= PHY_TYPE_BIT_HE; } else if (band == NL80211_BAND_5GHZ) { mode |= PHY_TYPE_BIT_OFDM; if (ht_cap->ht_supported) mode |= PHY_TYPE_BIT_HT; if (vht_cap->vht_supported) mode |= PHY_TYPE_BIT_VHT; if (he_cap->has_he) mode |= PHY_TYPE_BIT_HE; } return mode; } static int mt7921_mcu_parse_eeprom(struct mt76_dev *dev, struct sk_buff *skb) { struct mt7921_mcu_eeprom_info *res; u8 *buf; if (!skb) return -EINVAL; skb_pull(skb, sizeof(struct mt7921_mcu_rxd)); res = (struct mt7921_mcu_eeprom_info *)skb->data; buf = dev->eeprom.data + le32_to_cpu(res->addr); memcpy(buf, res->data, 16); return 0; } static int mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd, struct sk_buff *skb, int seq) { struct mt7921_mcu_rxd *rxd; int ret = 0; if (!skb) { dev_err(mdev->dev, "Message %d (seq %d) timeout\n", cmd, seq); return -ETIMEDOUT; } rxd = (struct mt7921_mcu_rxd *)skb->data; if (seq != rxd->seq) return -EAGAIN; switch (cmd) { case MCU_CMD_PATCH_SEM_CONTROL: skb_pull(skb, sizeof(*rxd) - 4); ret = *skb->data; break; case MCU_EXT_CMD_THERMAL_CTRL: skb_pull(skb, sizeof(*rxd) + 4); ret = le32_to_cpu(*(__le32 *)skb->data); break; case MCU_EXT_CMD_EFUSE_ACCESS: ret = mt7921_mcu_parse_eeprom(mdev, skb); break; case MCU_UNI_CMD_DEV_INFO_UPDATE: case MCU_UNI_CMD_BSS_INFO_UPDATE: case MCU_UNI_CMD_STA_REC_UPDATE: case MCU_UNI_CMD_HIF_CTRL: case MCU_UNI_CMD_OFFLOAD: case 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); break; } case MCU_CMD_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); break; } default: skb_pull(skb, sizeof(struct mt7921_mcu_rxd)); break; } return ret; } static int mt7921_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb, int cmd, int *wait_seq) { struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); int txd_len, mcu_cmd = cmd & MCU_CMD_MASK; enum mt76_mcuq_id txq = MT_MCUQ_WM; struct mt7921_uni_txd *uni_txd; struct mt7921_mcu_txd *mcu_txd; __le32 *txd; u32 val; u8 seq; /* TODO: make dynamic based on msg type */ mdev->mcu.timeout = 20 * HZ; seq = ++dev->mt76.mcu.msg_seq & 0xf; if (!seq) seq = ++dev->mt76.mcu.msg_seq & 0xf; if (cmd == MCU_CMD_FW_SCATTER) { txq = MT_MCUQ_FWDL; goto exit; } txd_len = cmd & MCU_UNI_PREFIX ? sizeof(*uni_txd) : sizeof(*mcu_txd); txd = (__le32 *)skb_push(skb, txd_len); val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len) | FIELD_PREP(MT_TXD0_PKT_FMT, MT_TX_TYPE_CMD) | FIELD_PREP(MT_TXD0_Q_IDX, MT_TX_MCU_PORT_RX_Q0); txd[0] = cpu_to_le32(val); val = MT_TXD1_LONG_FORMAT | FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_CMD); txd[1] = cpu_to_le32(val); if (cmd & MCU_UNI_PREFIX) { uni_txd = (struct mt7921_uni_txd *)txd; uni_txd->len = cpu_to_le16(skb->len - sizeof(uni_txd->txd)); uni_txd->option = MCU_CMD_UNI_EXT_ACK; uni_txd->cid = cpu_to_le16(mcu_cmd); uni_txd->s2d_index = MCU_S2D_H2N; uni_txd->pkt_type = MCU_PKT_ID; uni_txd->seq = seq; goto exit; } mcu_txd = (struct mt7921_mcu_txd *)txd; mcu_txd->len = cpu_to_le16(skb->len - sizeof(mcu_txd->txd)); mcu_txd->pq_id = cpu_to_le16(MCU_PQ_ID(MT_TX_PORT_IDX_MCU, MT_TX_MCU_PORT_RX_Q0)); mcu_txd->pkt_type = MCU_PKT_ID; mcu_txd->seq = seq; switch (cmd & ~MCU_CMD_MASK) { case MCU_FW_PREFIX: mcu_txd->set_query = MCU_Q_NA; mcu_txd->cid = mcu_cmd; break; case MCU_CE_PREFIX: if (cmd & MCU_QUERY_MASK) mcu_txd->set_query = MCU_Q_QUERY; else mcu_txd->set_query = MCU_Q_SET; mcu_txd->cid = mcu_cmd; break; default: mcu_txd->cid = MCU_CMD_EXT_CID; if (cmd & MCU_QUERY_PREFIX || cmd == MCU_EXT_CMD_EFUSE_ACCESS) mcu_txd->set_query = MCU_Q_QUERY; else mcu_txd->set_query = MCU_Q_SET; mcu_txd->ext_cid = mcu_cmd; mcu_txd->ext_cid_ack = 1; break; } mcu_txd->s2d_index = MCU_S2D_H2N; WARN_ON(cmd == MCU_EXT_CMD_EFUSE_ACCESS && mcu_txd->set_query != MCU_Q_QUERY); exit: if (wait_seq) *wait_seq = seq; return mt76_tx_queue_skb_raw(dev, mdev->q_mcu[txq], skb, 0); } static void mt7921_mcu_tx_rate_parse(struct mt76_phy *mphy, struct mt7921_mcu_peer_cap *peer, struct rate_info *rate, u16 r) { struct ieee80211_supported_band *sband; u16 flags = 0; u8 txmode = FIELD_GET(MT_WTBL_RATE_TX_MODE, r); u8 gi = 0; u8 bw = 0; rate->mcs = FIELD_GET(MT_WTBL_RATE_MCS, r); rate->nss = FIELD_GET(MT_WTBL_RATE_NSS, r) + 1; switch (peer->bw) { case IEEE80211_STA_RX_BW_160: gi = peer->g16; break; case IEEE80211_STA_RX_BW_80: gi = peer->g8; break; case IEEE80211_STA_RX_BW_40: gi = peer->g4; break; default: gi = peer->g2; break; } gi = txmode >= MT_PHY_TYPE_HE_SU ? FIELD_GET(MT_WTBL_RATE_HE_GI, gi) : FIELD_GET(MT_WTBL_RATE_GI, gi); switch (txmode) { case MT_PHY_TYPE_CCK: case MT_PHY_TYPE_OFDM: if (mphy->chandef.chan->band == NL80211_BAND_5GHZ) sband = &mphy->sband_5g.sband; else sband = &mphy->sband_2g.sband; rate->legacy = sband->bitrates[rate->mcs].bitrate; break; case MT_PHY_TYPE_HT: case MT_PHY_TYPE_HT_GF: flags |= RATE_INFO_FLAGS_MCS; if (gi) flags |= RATE_INFO_FLAGS_SHORT_GI; break; case MT_PHY_TYPE_VHT: flags |= RATE_INFO_FLAGS_VHT_MCS; if (gi) flags |= RATE_INFO_FLAGS_SHORT_GI; break; case MT_PHY_TYPE_HE_SU: case MT_PHY_TYPE_HE_EXT_SU: case MT_PHY_TYPE_HE_TB: case MT_PHY_TYPE_HE_MU: rate->he_gi = gi; rate->he_dcm = FIELD_GET(MT_RA_RATE_DCM_EN, r); flags |= RATE_INFO_FLAGS_HE_MCS; break; default: break; } rate->flags = flags; bw = mt7921_mcu_chan_bw(&mphy->chandef) - FIELD_GET(MT_RA_RATE_BW, r); switch (bw) { case IEEE80211_STA_RX_BW_160: rate->bw = RATE_INFO_BW_160; break; case IEEE80211_STA_RX_BW_80: rate->bw = RATE_INFO_BW_80; break; case IEEE80211_STA_RX_BW_40: rate->bw = RATE_INFO_BW_40; break; default: rate->bw = RATE_INFO_BW_20; break; } } static void mt7921_mcu_tx_rate_report(struct mt7921_dev *dev, struct sk_buff *skb, u16 wlan_idx) { struct mt7921_mcu_wlan_info_event *wtbl_info = (struct mt7921_mcu_wlan_info_event *)(skb->data); struct rate_info rate = {}; u8 curr_idx = wtbl_info->rate_info.rate_idx; u16 curr = le16_to_cpu(wtbl_info->rate_info.rate[curr_idx]); struct mt7921_mcu_peer_cap peer = wtbl_info->peer_cap; struct mt76_phy *mphy = &dev->mphy; struct mt7921_sta_stats *stats; struct mt7921_sta *msta; struct mt76_wcid *wcid; if (wlan_idx >= MT76_N_WCIDS) return; wcid = rcu_dereference(dev->mt76.wcid[wlan_idx]); if (!wcid) { stats->tx_rate = rate; return; } msta = container_of(wcid, struct mt7921_sta, wcid); stats = &msta->stats; /* current rate */ mt7921_mcu_tx_rate_parse(mphy, &peer, &rate, curr); stats->tx_rate = rate; } 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_bss_event(struct mt7921_dev *dev, struct sk_buff *skb) { struct mt76_phy *mphy = &dev->mt76.phy; struct mt7921_mcu_bss_event *event; event = (struct mt7921_mcu_bss_event *)(skb->data + sizeof(struct mt7921_mcu_rxd)); 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_mcu_rxd *rxd = (struct mt7921_mcu_rxd *)skb->data; struct debug_msg { __le16 id; u8 type; u8 flag; __le32 value; __le16 len; u8 content[512]; } __packed * debug_msg; u16 cur_len; int i; skb_pull(skb, sizeof(*rxd)); debug_msg = (struct debug_msg *)skb->data; cur_len = min_t(u16, le16_to_cpu(debug_msg->len), 512); if (debug_msg->type == 0x3) { for (i = 0 ; i < cur_len; i++) if (!debug_msg->content[i]) debug_msg->content[i] = ' '; dev_dbg(dev->mt76.dev, "%s", debug_msg->content); } } static void mt7921_mcu_rx_unsolicited_event(struct mt7921_dev *dev, struct sk_buff *skb) { struct mt7921_mcu_rxd *rxd = (struct mt7921_mcu_rxd *)skb->data; switch (rxd->eid) { case MCU_EVENT_BSS_BEACON_LOSS: 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; default: break; } dev_kfree_skb(skb); } void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb) { struct mt7921_mcu_rxd *rxd = (struct mt7921_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_DBG_MSG || !rxd->seq) mt7921_mcu_rx_unsolicited_event(dev, skb); else mt76_mcu_rx_event(&dev->mt76, skb); } static struct sk_buff * mt7921_mcu_alloc_sta_req(struct mt7921_dev *dev, struct mt7921_vif *mvif, struct mt7921_sta *msta, int len) { struct sta_req_hdr hdr = { .bss_idx = mvif->mt76.idx, .wlan_idx_lo = msta ? to_wcid_lo(msta->wcid.idx) : 0, .wlan_idx_hi = msta ? to_wcid_hi(msta->wcid.idx) : 0, .muar_idx = msta ? mvif->mt76.omac_idx : 0, .is_tlv_append = 1, }; struct sk_buff *skb; skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len); if (!skb) return ERR_PTR(-ENOMEM); skb_put_data(skb, &hdr, sizeof(hdr)); return skb; } static struct wtbl_req_hdr * mt7921_mcu_alloc_wtbl_req(struct mt7921_dev *dev, struct mt7921_sta *msta, int cmd, void *sta_wtbl, struct sk_buff **skb) { struct tlv *sta_hdr = sta_wtbl; struct wtbl_req_hdr hdr = { .wlan_idx_lo = to_wcid_lo(msta->wcid.idx), .wlan_idx_hi = to_wcid_hi(msta->wcid.idx), .operation = cmd, }; struct sk_buff *nskb = *skb; if (!nskb) { nskb = mt76_mcu_msg_alloc(&dev->mt76, NULL, MT7921_WTBL_UPDATE_BA_SIZE); if (!nskb) return ERR_PTR(-ENOMEM); *skb = nskb; } if (sta_hdr) sta_hdr->len = cpu_to_le16(sizeof(hdr)); return skb_put_data(nskb, &hdr, sizeof(hdr)); } static struct tlv * mt7921_mcu_add_nested_tlv(struct sk_buff *skb, int tag, int len, void *sta_ntlv, void *sta_wtbl) { struct sta_ntlv_hdr *ntlv_hdr = sta_ntlv; struct tlv *sta_hdr = sta_wtbl; struct tlv *ptlv, tlv = { .tag = cpu_to_le16(tag), .len = cpu_to_le16(len), }; u16 ntlv; ptlv = skb_put(skb, len); memcpy(ptlv, &tlv, sizeof(tlv)); ntlv = le16_to_cpu(ntlv_hdr->tlv_num); ntlv_hdr->tlv_num = cpu_to_le16(ntlv + 1); if (sta_hdr) { u16 size = le16_to_cpu(sta_hdr->len); sta_hdr->len = cpu_to_le16(size + len); } return ptlv; } static struct tlv * mt7921_mcu_add_tlv(struct sk_buff *skb, int tag, int len) { return mt7921_mcu_add_nested_tlv(skb, tag, len, skb->data, NULL); } static void mt7921_mcu_uni_bss_he_tlv(struct tlv *tlv, struct ieee80211_vif *vif, struct mt7921_phy *phy) { #define DEFAULT_HE_PE_DURATION 4 #define DEFAULT_HE_DURATION_RTS_THRES 1023 const struct ieee80211_sta_he_cap *cap; struct bss_info_uni_he *he; cap = mt7921_get_he_phy_cap(phy, vif); he = (struct bss_info_uni_he *)tlv; he->he_pe_duration = vif->bss_conf.htc_trig_based_pkt_ext; if (!he->he_pe_duration) he->he_pe_duration = DEFAULT_HE_PE_DURATION; he->he_rts_thres = cpu_to_le16(vif->bss_conf.frame_time_rts_th); if (!he->he_rts_thres) he->he_rts_thres = cpu_to_le16(DEFAULT_HE_DURATION_RTS_THRES); he->max_nss_mcs[CMD_HE_MCS_BW80] = cap->he_mcs_nss_supp.tx_mcs_80; he->max_nss_mcs[CMD_HE_MCS_BW160] = cap->he_mcs_nss_supp.tx_mcs_160; he->max_nss_mcs[CMD_HE_MCS_BW8080] = cap->he_mcs_nss_supp.tx_mcs_80p80; } /** starec & wtbl **/ static int mt7921_mcu_sta_key_tlv(struct mt7921_sta *msta, struct sk_buff *skb, struct ieee80211_key_conf *key, enum set_key_cmd cmd) { struct mt7921_sta_key_conf *bip = &msta->bip; struct sta_rec_sec *sec; struct tlv *tlv; u32 len = sizeof(*sec); tlv = mt7921_mcu_add_tlv(skb, STA_REC_KEY_V2, sizeof(*sec)); sec = (struct sta_rec_sec *)tlv; sec->add = cmd; if (cmd == SET_KEY) { struct sec_key *sec_key; u8 cipher; cipher = mt7921_mcu_get_cipher(key->cipher); if (cipher == MT_CIPHER_NONE) return -EOPNOTSUPP; sec_key = &sec->key[0]; sec_key->cipher_len = sizeof(*sec_key); if (cipher == MT_CIPHER_BIP_CMAC_128) { sec_key->cipher_id = MT_CIPHER_AES_CCMP; sec_key->key_id = bip->keyidx; sec_key->key_len = 16; memcpy(sec_key->key, bip->key, 16); sec_key = &sec->key[1]; sec_key->cipher_id = MT_CIPHER_BIP_CMAC_128; sec_key->cipher_len = sizeof(*sec_key); sec_key->key_len = 16; memcpy(sec_key->key, key->key, 16); sec->n_cipher = 2; } else { sec_key->cipher_id = cipher; sec_key->key_id = key->keyidx; sec_key->key_len = key->keylen; memcpy(sec_key->key, key->key, key->keylen); if (cipher == MT_CIPHER_TKIP) { /* Rx/Tx MIC keys are swapped */ memcpy(sec_key->key + 16, key->key + 24, 8); memcpy(sec_key->key + 24, key->key + 16, 8); } /* store key_conf for BIP batch update */ if (cipher == MT_CIPHER_AES_CCMP) { memcpy(bip->key, key->key, key->keylen); bip->keyidx = key->keyidx; } len -= sizeof(*sec_key); sec->n_cipher = 1; } } else { len -= sizeof(sec->key); sec->n_cipher = 0; } sec->len = cpu_to_le16(len); return 0; } int mt7921_mcu_add_key(struct mt7921_dev *dev, struct ieee80211_vif *vif, struct mt7921_sta *msta, struct ieee80211_key_conf *key, enum set_key_cmd cmd) { struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; struct sk_buff *skb; int len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_sec); int ret; skb = mt7921_mcu_alloc_sta_req(dev, mvif, msta, len); if (IS_ERR(skb)) return PTR_ERR(skb); ret = mt7921_mcu_sta_key_tlv(msta, skb, key, cmd); if (ret) return ret; return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_UNI_CMD_STA_REC_UPDATE, true); } static void mt7921_mcu_sta_ba_tlv(struct sk_buff *skb, struct ieee80211_ampdu_params *params, bool enable, bool tx) { struct sta_rec_ba *ba; struct tlv *tlv; tlv = mt7921_mcu_add_tlv(skb, STA_REC_BA, sizeof(*ba)); ba = (struct sta_rec_ba *)tlv; ba->ba_type = tx ? MT_BA_TYPE_ORIGINATOR : MT_BA_TYPE_RECIPIENT, ba->winsize = cpu_to_le16(params->buf_size); ba->ssn = cpu_to_le16(params->ssn); ba->ba_en = enable << params->tid; ba->amsdu = params->amsdu; ba->tid = params->tid; } static void mt7921_mcu_wtbl_ba_tlv(struct sk_buff *skb, struct ieee80211_ampdu_params *params, bool enable, bool tx, void *sta_wtbl, void *wtbl_tlv) { struct wtbl_ba *ba; struct tlv *tlv; tlv = mt7921_mcu_add_nested_tlv(skb, WTBL_BA, sizeof(*ba), wtbl_tlv, sta_wtbl); ba = (struct wtbl_ba *)tlv; ba->tid = params->tid; if (tx) { ba->ba_type = MT_BA_TYPE_ORIGINATOR; ba->sn = enable ? cpu_to_le16(params->ssn) : 0; ba->ba_en = enable; } else { memcpy(ba->peer_addr, params->sta->addr, ETH_ALEN); ba->ba_type = MT_BA_TYPE_RECIPIENT; ba->rst_ba_tid = params->tid; ba->rst_ba_sel = RST_BA_MAC_TID_MATCH; ba->rst_ba_sb = 1; } if (enable && tx) ba->ba_winsize = cpu_to_le16(params->buf_size); } static int mt7921_mcu_sta_ba(struct mt7921_dev *dev, struct ieee80211_ampdu_params *params, bool enable, bool tx, int cmd) { struct mt7921_sta *msta = (struct mt7921_sta *)params->sta->drv_priv; struct mt7921_vif *mvif = msta->vif; struct wtbl_req_hdr *wtbl_hdr; struct tlv *sta_wtbl; struct sk_buff *skb; int ret; if (enable && tx && !params->amsdu) msta->wcid.amsdu = false; skb = mt7921_mcu_alloc_sta_req(dev, mvif, msta, MT7921_STA_UPDATE_MAX_SIZE); if (IS_ERR(skb)) return PTR_ERR(skb); sta_wtbl = mt7921_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv)); wtbl_hdr = mt7921_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, sta_wtbl, &skb); mt7921_mcu_wtbl_ba_tlv(skb, params, enable, tx, sta_wtbl, wtbl_hdr); ret = mt76_mcu_skb_send_msg(&dev->mt76, skb, cmd, true); if (ret) return ret; skb = mt7921_mcu_alloc_sta_req(dev, mvif, msta, MT7921_STA_UPDATE_MAX_SIZE); if (IS_ERR(skb)) return PTR_ERR(skb); mt7921_mcu_sta_ba_tlv(skb, params, enable, tx); return mt76_mcu_skb_send_msg(&dev->mt76, skb, cmd, true); } int mt7921_mcu_uni_tx_ba(struct mt7921_dev *dev, struct ieee80211_ampdu_params *params, bool enable) { return mt7921_mcu_sta_ba(dev, params, enable, true, MCU_UNI_CMD_STA_REC_UPDATE); } int mt7921_mcu_uni_rx_ba(struct mt7921_dev *dev, struct ieee80211_ampdu_params *params, bool enable) { return mt7921_mcu_sta_ba(dev, params, enable, false, MCU_UNI_CMD_STA_REC_UPDATE); } static void mt7921_mcu_wtbl_generic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif, struct ieee80211_sta *sta, void *sta_wtbl, void *wtbl_tlv) { struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; struct wtbl_generic *generic; struct wtbl_rx *rx; struct tlv *tlv; tlv = mt7921_mcu_add_nested_tlv(skb, WTBL_GENERIC, sizeof(*generic), wtbl_tlv, sta_wtbl); generic = (struct wtbl_generic *)tlv; if (sta) { if (vif->type == NL80211_IFTYPE_STATION) generic->partial_aid = cpu_to_le16(vif->bss_conf.aid); else generic->partial_aid = cpu_to_le16(sta->aid); memcpy(generic->peer_addr, sta->addr, ETH_ALEN); generic->muar_idx = mvif->mt76.omac_idx; generic->qos = sta->wme; } else { /* use BSSID in station mode */ if (vif->type == NL80211_IFTYPE_STATION) memcpy(generic->peer_addr, vif->bss_conf.bssid, ETH_ALEN); else eth_broadcast_addr(generic->peer_addr); generic->muar_idx = 0xe; } tlv = mt7921_mcu_add_nested_tlv(skb, WTBL_RX, sizeof(*rx), wtbl_tlv, sta_wtbl); rx = (struct wtbl_rx *)tlv; rx->rca1 = sta ? vif->type != NL80211_IFTYPE_AP : 1; rx->rca2 = 1; rx->rv = 1; } static void mt7921_mcu_sta_basic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif, struct ieee80211_sta *sta, bool enable) { #define EXTRA_INFO_VER BIT(0) #define EXTRA_INFO_NEW BIT(1) struct sta_rec_basic *basic; struct tlv *tlv; int conn_type; tlv = mt7921_mcu_add_tlv(skb, STA_REC_BASIC, sizeof(*basic)); basic = (struct sta_rec_basic *)tlv; basic->extra_info = cpu_to_le16(EXTRA_INFO_VER); if (enable) { basic->extra_info |= cpu_to_le16(EXTRA_INFO_NEW); basic->conn_state = CONN_STATE_PORT_SECURE; } else { basic->conn_state = CONN_STATE_DISCONNECT; } if (!sta) { basic->conn_type = cpu_to_le32(CONNECTION_INFRA_BC); eth_broadcast_addr(basic->peer_addr); return; } switch (vif->type) { case NL80211_IFTYPE_MESH_POINT: case NL80211_IFTYPE_AP: if (vif->p2p) conn_type = CONNECTION_P2P_GC; else conn_type = CONNECTION_INFRA_STA; basic->conn_type = cpu_to_le32(conn_type); basic->aid = cpu_to_le16(sta->aid); break; case NL80211_IFTYPE_STATION: if (vif->p2p) conn_type = CONNECTION_P2P_GO; else conn_type = CONNECTION_INFRA_AP; basic->conn_type = cpu_to_le32(conn_type); basic->aid = cpu_to_le16(vif->bss_conf.aid); break; case NL80211_IFTYPE_ADHOC: basic->conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC); basic->aid = cpu_to_le16(sta->aid); break; default: WARN_ON(1); break; } memcpy(basic->peer_addr, sta->addr, ETH_ALEN); basic->qos = sta->wme; } static void mt7921_mcu_sta_he_tlv(struct sk_buff *skb, struct ieee80211_sta *sta) { struct ieee80211_sta_he_cap *he_cap = &sta->he_cap; struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem; struct sta_rec_he *he; struct tlv *tlv; u32 cap = 0; tlv = mt7921_mcu_add_tlv(skb, STA_REC_HE, sizeof(*he)); he = (struct sta_rec_he *)tlv; if (elem->mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) cap |= STA_REC_HE_CAP_HTC; if (elem->mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) cap |= STA_REC_HE_CAP_BSR; if (elem->mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL) cap |= STA_REC_HE_CAP_OM; if (elem->mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU) cap |= STA_REC_HE_CAP_AMSDU_IN_AMPDU; if (elem->mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) cap |= STA_REC_HE_CAP_BQR; if (elem->phy_cap_info[0] & (IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G | IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G)) cap |= STA_REC_HE_CAP_BW20_RU242_SUPPORT; if (elem->phy_cap_info[1] & IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD) cap |= STA_REC_HE_CAP_LDPC; if (elem->phy_cap_info[1] & IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US) cap |= STA_REC_HE_CAP_SU_PPDU_1LTF_8US_GI; if (elem->phy_cap_info[2] & IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US) cap |= STA_REC_HE_CAP_NDP_4LTF_3DOT2MS_GI; if (elem->phy_cap_info[2] & IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ) cap |= STA_REC_HE_CAP_LE_EQ_80M_TX_STBC; if (elem->phy_cap_info[2] & IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ) cap |= STA_REC_HE_CAP_LE_EQ_80M_RX_STBC; if (elem->phy_cap_info[6] & IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE) cap |= STA_REC_HE_CAP_PARTIAL_BW_EXT_RANGE; if (elem->phy_cap_info[7] & IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI) cap |= STA_REC_HE_CAP_SU_MU_PPDU_4LTF_8US_GI; if (elem->phy_cap_info[7] & IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ) cap |= STA_REC_HE_CAP_GT_80M_TX_STBC; if (elem->phy_cap_info[7] & IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ) cap |= STA_REC_HE_CAP_GT_80M_RX_STBC; if (elem->phy_cap_info[8] & IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI) cap |= STA_REC_HE_CAP_ER_SU_PPDU_4LTF_8US_GI; if (elem->phy_cap_info[8] & IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI) cap |= STA_REC_HE_CAP_ER_SU_PPDU_1LTF_8US_GI; if (elem->phy_cap_info[9] & IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK) cap |= STA_REC_HE_CAP_TRIG_CQI_FK; if (elem->phy_cap_info[9] & IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU) cap |= STA_REC_HE_CAP_TX_1024QAM_UNDER_RU242; if (elem->phy_cap_info[9] & IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU) cap |= STA_REC_HE_CAP_RX_1024QAM_UNDER_RU242; he->he_cap = cpu_to_le32(cap); switch (sta->bandwidth) { case IEEE80211_STA_RX_BW_160: if (elem->phy_cap_info[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) he->max_nss_mcs[CMD_HE_MCS_BW8080] = he_cap->he_mcs_nss_supp.rx_mcs_80p80; he->max_nss_mcs[CMD_HE_MCS_BW160] = he_cap->he_mcs_nss_supp.rx_mcs_160; fallthrough; default: he->max_nss_mcs[CMD_HE_MCS_BW80] = he_cap->he_mcs_nss_supp.rx_mcs_80; break; } he->t_frame_dur = HE_MAC(CAP1_TF_MAC_PAD_DUR_MASK, elem->mac_cap_info[1]); he->max_ampdu_exp = HE_MAC(CAP3_MAX_AMPDU_LEN_EXP_MASK, elem->mac_cap_info[3]); he->bw_set = HE_PHY(CAP0_CHANNEL_WIDTH_SET_MASK, elem->phy_cap_info[0]); he->device_class = HE_PHY(CAP1_DEVICE_CLASS_A, elem->phy_cap_info[1]); he->punc_pream_rx = HE_PHY(CAP1_PREAMBLE_PUNC_RX_MASK, elem->phy_cap_info[1]); he->dcm_tx_mode = HE_PHY(CAP3_DCM_MAX_CONST_TX_MASK, elem->phy_cap_info[3]); he->dcm_tx_max_nss = HE_PHY(CAP3_DCM_MAX_TX_NSS_2, elem->phy_cap_info[3]); he->dcm_rx_mode = HE_PHY(CAP3_DCM_MAX_CONST_RX_MASK, elem->phy_cap_info[3]); he->dcm_rx_max_nss = HE_PHY(CAP3_DCM_MAX_RX_NSS_2, elem->phy_cap_info[3]); he->dcm_rx_max_nss = HE_PHY(CAP8_DCM_MAX_RU_MASK, elem->phy_cap_info[8]); he->pkt_ext = 2; } static void mt7921_mcu_sta_uapsd_tlv(struct sk_buff *skb, struct ieee80211_sta *sta, struct ieee80211_vif *vif) { struct sta_rec_uapsd *uapsd; struct tlv *tlv; if (vif->type != NL80211_IFTYPE_AP || !sta->wme) return; tlv = mt7921_mcu_add_tlv(skb, STA_REC_APPS, sizeof(*uapsd)); uapsd = (struct sta_rec_uapsd *)tlv; if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) { uapsd->dac_map |= BIT(3); uapsd->tac_map |= BIT(3); } if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI) { uapsd->dac_map |= BIT(2); uapsd->tac_map |= BIT(2); } if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE) { uapsd->dac_map |= BIT(1); uapsd->tac_map |= BIT(1); } if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK) { uapsd->dac_map |= BIT(0); uapsd->tac_map |= BIT(0); } uapsd->max_sp = sta->max_sp; } static void mt7921_mcu_sta_amsdu_tlv(struct sk_buff *skb, struct ieee80211_sta *sta) { struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; struct sta_rec_amsdu *amsdu; struct tlv *tlv; if (!sta->max_amsdu_len) return; tlv = mt7921_mcu_add_tlv(skb, STA_REC_HW_AMSDU, sizeof(*amsdu)); amsdu = (struct sta_rec_amsdu *)tlv; amsdu->max_amsdu_num = 8; amsdu->amsdu_en = true; amsdu->max_mpdu_size = sta->max_amsdu_len >= IEEE80211_MAX_MPDU_LEN_VHT_7991; msta->wcid.amsdu = true; } static bool mt7921_hw_amsdu_supported(struct ieee80211_vif *vif) { switch (vif->type) { case NL80211_IFTYPE_AP: case NL80211_IFTYPE_STATION: return true; default: return false; } } static void mt7921_mcu_sta_tlv(struct mt7921_dev *dev, struct sk_buff *skb, struct ieee80211_sta *sta, struct ieee80211_vif *vif) { struct tlv *tlv; struct sta_rec_state *state; struct sta_rec_phy *phy; struct sta_rec_ra_info *ra_info; struct cfg80211_chan_def *chandef = &dev->mphy.chandef; enum nl80211_band band = chandef->chan->band; /* starec ht */ if (sta->ht_cap.ht_supported) { struct sta_rec_ht *ht; tlv = mt7921_mcu_add_tlv(skb, STA_REC_HT, sizeof(*ht)); ht = (struct sta_rec_ht *)tlv; ht->ht_cap = cpu_to_le16(sta->ht_cap.cap); if (mt7921_hw_amsdu_supported(vif)) mt7921_mcu_sta_amsdu_tlv(skb, sta); } /* starec vht */ if (sta->vht_cap.vht_supported) { struct sta_rec_vht *vht; tlv = mt7921_mcu_add_tlv(skb, STA_REC_VHT, sizeof(*vht)); vht = (struct sta_rec_vht *)tlv; vht->vht_cap = cpu_to_le32(sta->vht_cap.cap); vht->vht_rx_mcs_map = sta->vht_cap.vht_mcs.rx_mcs_map; vht->vht_tx_mcs_map = sta->vht_cap.vht_mcs.tx_mcs_map; } /* starec he */ if (sta->he_cap.has_he) mt7921_mcu_sta_he_tlv(skb, sta); /* starec uapsd */ mt7921_mcu_sta_uapsd_tlv(skb, sta, vif); tlv = mt7921_mcu_add_tlv(skb, STA_REC_PHY, sizeof(*phy)); phy = (struct sta_rec_phy *)tlv; phy->phy_type = mt7921_get_phy_mode_v2(dev, vif, band, sta); phy->basic_rate = cpu_to_le16((u16)vif->bss_conf.basic_rates); tlv = mt7921_mcu_add_tlv(skb, STA_REC_RA, sizeof(*ra_info)); ra_info = (struct sta_rec_ra_info *)tlv; ra_info->legacy = cpu_to_le16((u16)sta->supp_rates[band]); if (sta->ht_cap.ht_supported) { memcpy(ra_info->rx_mcs_bitmask, sta->ht_cap.mcs.rx_mask, HT_MCS_MASK_NUM); } tlv = mt7921_mcu_add_tlv(skb, STA_REC_STATE, sizeof(*state)); state = (struct sta_rec_state *)tlv; state->state = 2; if (sta->vht_cap.vht_supported) { state->vht_opmode = sta->bandwidth; state->vht_opmode |= (sta->rx_nss - 1) << IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT; } } static void mt7921_mcu_wtbl_smps_tlv(struct sk_buff *skb, struct ieee80211_sta *sta, void *sta_wtbl, void *wtbl_tlv) { struct wtbl_smps *smps; struct tlv *tlv; tlv = mt7921_mcu_add_nested_tlv(skb, WTBL_SMPS, sizeof(*smps), wtbl_tlv, sta_wtbl); smps = (struct wtbl_smps *)tlv; if (sta->smps_mode == IEEE80211_SMPS_DYNAMIC) smps->smps = true; } static void mt7921_mcu_wtbl_ht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta, void *sta_wtbl, void *wtbl_tlv) { struct wtbl_ht *ht = NULL; struct tlv *tlv; /* wtbl ht */ if (sta->ht_cap.ht_supported) { tlv = mt7921_mcu_add_nested_tlv(skb, WTBL_HT, sizeof(*ht), wtbl_tlv, sta_wtbl); ht = (struct wtbl_ht *)tlv; ht->ldpc = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING); ht->af = sta->ht_cap.ampdu_factor; ht->mm = sta->ht_cap.ampdu_density; ht->ht = true; } /* wtbl vht */ if (sta->vht_cap.vht_supported) { struct wtbl_vht *vht; u8 af; tlv = mt7921_mcu_add_nested_tlv(skb, WTBL_VHT, sizeof(*vht), wtbl_tlv, sta_wtbl); vht = (struct wtbl_vht *)tlv; vht->ldpc = !!(sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC); vht->vht = true; af = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK, sta->vht_cap.cap); if (ht) ht->af = max_t(u8, ht->af, af); } mt7921_mcu_wtbl_smps_tlv(skb, sta, sta_wtbl, wtbl_tlv); } static int mt7921_mcu_start_firmware(struct mt7921_dev *dev, u32 addr, u32 option) { struct { __le32 option; __le32 addr; } req = { .option = cpu_to_le32(option), .addr = cpu_to_le32(addr), }; return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_FW_START_REQ, &req, sizeof(req), true); } static int mt7921_mcu_restart(struct mt76_dev *dev) { struct { u8 power_mode; u8 rsv[3]; } req = { .power_mode = 1, }; return mt76_mcu_send_msg(dev, MCU_CMD_NIC_POWER_CTRL, &req, sizeof(req), false); } static int mt7921_mcu_patch_sem_ctrl(struct mt7921_dev *dev, bool get) { struct { __le32 op; } req = { .op = cpu_to_le32(get ? PATCH_SEM_GET : PATCH_SEM_RELEASE), }; return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_PATCH_SEM_CONTROL, &req, sizeof(req), true); } static int mt7921_mcu_start_patch(struct mt7921_dev *dev) { struct { u8 check_crc; u8 reserved[3]; } req = { .check_crc = 0, }; return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_PATCH_FINISH_REQ, &req, sizeof(req), true); } static int mt7921_driver_own(struct mt7921_dev *dev) { u32 reg = mt7921_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0); mt76_wr(dev, reg, MT_TOP_LPCR_HOST_DRV_OWN); if (!mt76_poll_msec(dev, reg, MT_TOP_LPCR_HOST_FW_OWN, 0, 500)) { dev_err(dev->mt76.dev, "Timeout for driver own\n"); return -EIO; } return 0; } static int mt7921_mcu_init_download(struct mt7921_dev *dev, u32 addr, u32 len, u32 mode) { struct { __le32 addr; __le32 len; __le32 mode; } req = { .addr = cpu_to_le32(addr), .len = cpu_to_le32(len), .mode = cpu_to_le32(mode), }; int attr; if (req.addr == cpu_to_le32(MCU_PATCH_ADDRESS) || addr == 0x900000) attr = MCU_CMD_PATCH_START_REQ; else attr = MCU_CMD_TARGET_ADDRESS_LEN_REQ; return mt76_mcu_send_msg(&dev->mt76, attr, &req, sizeof(req), true); } static int mt7921_load_patch(struct mt7921_dev *dev) { const struct mt7921_patch_hdr *hdr; const struct firmware *fw = NULL; int i, ret, sem; sem = mt7921_mcu_patch_sem_ctrl(dev, 1); switch (sem) { case PATCH_IS_DL: return 0; case PATCH_NOT_DL_SEM_SUCCESS: break; default: dev_err(dev->mt76.dev, "Failed to get patch semaphore\n"); return -EAGAIN; } ret = request_firmware(&fw, MT7921_ROM_PATCH, dev->mt76.dev); if (ret) goto out; if (!fw || !fw->data || fw->size < sizeof(*hdr)) { dev_err(dev->mt76.dev, "Invalid firmware\n"); ret = -EINVAL; goto out; } hdr = (const struct mt7921_patch_hdr *)(fw->data); dev_info(dev->mt76.dev, "HW/SW Version: 0x%x, Build Time: %.16s\n", be32_to_cpu(hdr->hw_sw_ver), hdr->build_date); for (i = 0; i < be32_to_cpu(hdr->desc.n_region); i++) { struct mt7921_patch_sec *sec; const u8 *dl; u32 len, addr; sec = (struct mt7921_patch_sec *)(fw->data + sizeof(*hdr) + i * sizeof(*sec)); if ((be32_to_cpu(sec->type) & PATCH_SEC_TYPE_MASK) != PATCH_SEC_TYPE_INFO) { ret = -EINVAL; goto out; } addr = be32_to_cpu(sec->info.addr); len = be32_to_cpu(sec->info.len); dl = fw->data + be32_to_cpu(sec->offs); ret = mt7921_mcu_init_download(dev, addr, len, DL_MODE_NEED_RSP); if (ret) { dev_err(dev->mt76.dev, "Download request failed\n"); goto out; } ret = mt76_mcu_send_firmware(&dev->mt76, MCU_CMD_FW_SCATTER, dl, len); if (ret) { dev_err(dev->mt76.dev, "Failed to send patch\n"); goto out; } } ret = mt7921_mcu_start_patch(dev); if (ret) dev_err(dev->mt76.dev, "Failed to start patch\n"); out: sem = mt7921_mcu_patch_sem_ctrl(dev, 0); switch (sem) { case PATCH_REL_SEM_SUCCESS: break; default: ret = -EAGAIN; dev_err(dev->mt76.dev, "Failed to release patch semaphore\n"); goto out; } release_firmware(fw); return ret; } static u32 mt7921_mcu_gen_dl_mode(u8 feature_set, bool is_wa) { u32 ret = 0; ret |= (feature_set & FW_FEATURE_SET_ENCRYPT) ? (DL_MODE_ENCRYPT | DL_MODE_RESET_SEC_IV) : 0; ret |= (feature_set & FW_FEATURE_ENCRY_MODE) ? DL_CONFIG_ENCRY_MODE_SEL : 0; ret |= FIELD_PREP(DL_MODE_KEY_IDX, FIELD_GET(FW_FEATURE_SET_KEY_IDX, feature_set)); ret |= DL_MODE_NEED_RSP; ret |= is_wa ? DL_MODE_WORKING_PDA_CR4 : 0; return ret; } static int mt7921_mcu_send_ram_firmware(struct mt7921_dev *dev, const struct mt7921_fw_trailer *hdr, const u8 *data, bool is_wa) { int i, offset = 0; u32 override = 0, option = 0; for (i = 0; i < hdr->n_region; i++) { const struct mt7921_fw_region *region; int err; u32 len, addr, mode; region = (const struct mt7921_fw_region *)((const u8 *)hdr - (hdr->n_region - i) * sizeof(*region)); mode = mt7921_mcu_gen_dl_mode(region->feature_set, is_wa); len = le32_to_cpu(region->len); addr = le32_to_cpu(region->addr); if (region->feature_set & FW_FEATURE_OVERRIDE_ADDR) override = addr; err = mt7921_mcu_init_download(dev, addr, len, mode); if (err) { dev_err(dev->mt76.dev, "Download request failed\n"); return err; } err = mt76_mcu_send_firmware(&dev->mt76, MCU_CMD_FW_SCATTER, data + offset, len); if (err) { dev_err(dev->mt76.dev, "Failed to send firmware.\n"); return err; } offset += len; } if (override) option |= FW_START_OVERRIDE; if (is_wa) option |= FW_START_WORKING_PDA_CR4; return mt7921_mcu_start_firmware(dev, override, option); } static int mt7921_load_ram(struct mt7921_dev *dev) { const struct mt7921_fw_trailer *hdr; const struct firmware *fw; int ret; ret = request_firmware(&fw, MT7921_FIRMWARE_WM, dev->mt76.dev); if (ret) return ret; if (!fw || !fw->data || fw->size < sizeof(*hdr)) { dev_err(dev->mt76.dev, "Invalid firmware\n"); ret = -EINVAL; goto out; } hdr = (const struct mt7921_fw_trailer *)(fw->data + fw->size - sizeof(*hdr)); dev_info(dev->mt76.dev, "WM Firmware Version: %.10s, Build Time: %.15s\n", hdr->fw_ver, hdr->build_date); ret = mt7921_mcu_send_ram_firmware(dev, hdr, fw->data, false); if (ret) { dev_err(dev->mt76.dev, "Failed to start WM firmware\n"); goto out; } snprintf(dev->mt76.hw->wiphy->fw_version, sizeof(dev->mt76.hw->wiphy->fw_version), "%.10s-%.15s", hdr->fw_ver, hdr->build_date); out: release_firmware(fw); return ret; } static int mt7921_load_firmware(struct mt7921_dev *dev) { int ret; ret = mt76_get_field(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY); if (ret) { dev_dbg(dev->mt76.dev, "Firmware is already download\n"); return -EIO; } ret = mt7921_load_patch(dev); if (ret) return ret; ret = mt7921_load_ram(dev); 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; } mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false); dev_err(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_CMD_FWLOG_2_HOST, &data, sizeof(data), false); } int mt7921_mcu_init(struct mt7921_dev *dev) { static const struct mt76_mcu_ops mt7921_mcu_ops = { .headroom = sizeof(struct mt7921_mcu_txd), .mcu_skb_send_msg = mt7921_mcu_send_message, .mcu_parse_response = mt7921_mcu_parse_response, .mcu_restart = mt7921_mcu_restart, }; int ret; dev->mt76.mcu_ops = &mt7921_mcu_ops; ret = mt7921_driver_own(dev); if (ret) return ret; ret = mt7921_load_firmware(dev); if (ret) return ret; set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); mt7921_mcu_fw_log_2_host(dev, 1); return 0; } void mt7921_mcu_exit(struct mt7921_dev *dev) { u32 reg = mt7921_reg_map_l1(dev, MT_TOP_MISC); __mt76_mcu_restart(&dev->mt76); if (!mt76_poll_msec(dev, reg, MT_TOP_MISC_FW_STATE, FIELD_PREP(MT_TOP_MISC_FW_STATE, FW_STATE_FW_DOWNLOAD), 1000)) { dev_err(dev->mt76.dev, "Failed to exit mcu\n"); return; } reg = mt7921_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0); mt76_wr(dev, reg, MT_TOP_LPCR_HOST_FW_OWN); skb_queue_purge(&dev->mt76.mcu.res_q); } int mt7921_mcu_set_mac(struct mt7921_dev *dev, int band, bool enable, bool hdr_trans) { struct { u8 enable; u8 band; u8 rsv[2]; } __packed req_mac = { .enable = enable, .band = band, }; return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_MAC_INIT_CTRL, &req_mac, sizeof(req_mac), true); } int mt7921_mcu_set_rts_thresh(struct mt7921_phy *phy, u32 val) { struct mt7921_dev *dev = phy->dev; struct { u8 prot_idx; u8 band; u8 rsv[2]; __le32 len_thresh; __le32 pkt_thresh; } __packed req = { .prot_idx = 1, .band = phy != &dev->phy, .len_thresh = cpu_to_le32(val), .pkt_thresh = cpu_to_le32(0x2), }; return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_PROTECT_CTRL, &req, sizeof(req), true); } int mt7921_mcu_set_tx(struct mt7921_dev *dev, struct ieee80211_vif *vif) { #define WMM_AIFS_SET BIT(0) #define WMM_CW_MIN_SET BIT(1) #define WMM_CW_MAX_SET BIT(2) #define WMM_TXOP_SET BIT(3) #define WMM_PARAM_SET GENMASK(3, 0) #define TX_CMD_MODE 1 struct edca { u8 queue; u8 set; u8 aifs; u8 cw_min; __le16 cw_max; __le16 txop; }; struct mt7921_mcu_tx { u8 total; u8 action; u8 valid; u8 mode; struct edca edca[IEEE80211_NUM_ACS]; } __packed req = { .valid = true, .mode = TX_CMD_MODE, .total = IEEE80211_NUM_ACS, }; struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; int ac; for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { struct ieee80211_tx_queue_params *q = &mvif->queue_params[ac]; struct edca *e = &req.edca[ac]; e->set = WMM_PARAM_SET; e->queue = ac + mvif->mt76.wmm_idx * MT7921_MAX_WMM_SETS; e->aifs = q->aifs; e->txop = cpu_to_le16(q->txop); if (q->cw_min) e->cw_min = fls(q->cw_min); else e->cw_min = 5; if (q->cw_max) e->cw_max = cpu_to_le16(fls(q->cw_max)); else e->cw_max = cpu_to_le16(10); } return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EDCA_UPDATE, &req, sizeof(req), true); } 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 = mt7921_mcu_chan_bw(chandef), .tx_streams_num = hweight8(phy->mt76->antenna_mask), .rx_streams = phy->mt76->antenna_mask, .band_idx = phy != &dev->phy, .channel_band = chandef->chan->band, }; 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) && chandef->chan->dfs_state != NL80211_DFS_AVAILABLE) 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); } int mt7921_mcu_get_eeprom(struct mt7921_dev *dev, u32 offset) { struct mt7921_mcu_eeprom_info req = { .addr = cpu_to_le32(round_down(offset, 16)), }; struct mt7921_mcu_eeprom_info *res; struct sk_buff *skb; int ret; u8 *buf; ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_ACCESS, &req, sizeof(req), true, &skb); if (ret) return ret; res = (struct mt7921_mcu_eeprom_info *)skb->data; buf = dev->mt76.eeprom.data + le32_to_cpu(res->addr); memcpy(buf, res->data, 16); dev_kfree_skb(skb); return 0; } int mt7921_mcu_uni_add_dev(struct mt7921_dev *dev, struct ieee80211_vif *vif, bool enable) { struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; u8 omac_idx = mvif->mt76.omac_idx; struct { struct { u8 omac_idx; u8 band_idx; __le16 pad; } __packed hdr; struct req_tlv { __le16 tag; __le16 len; u8 active; u8 pad; u8 omac_addr[ETH_ALEN]; } __packed tlv; } dev_req = { .hdr = { .omac_idx = omac_idx, .band_idx = mvif->mt76.band_idx, }, .tlv = { .tag = cpu_to_le16(DEV_INFO_ACTIVE), .len = cpu_to_le16(sizeof(struct req_tlv)), .active = enable, }, }; struct { struct { u8 bss_idx; u8 pad[3]; } __packed hdr; struct mt7921_bss_basic_tlv basic; } basic_req = { .hdr = { .bss_idx = mvif->mt76.idx, }, .basic = { .tag = cpu_to_le16(UNI_BSS_INFO_BASIC), .len = cpu_to_le16(sizeof(struct mt7921_bss_basic_tlv)), .omac_idx = omac_idx, .band_idx = mvif->mt76.band_idx, .wmm_idx = mvif->mt76.wmm_idx, .active = enable, .bmc_tx_wlan_idx = cpu_to_le16(mvif->sta.wcid.idx), .sta_idx = cpu_to_le16(mvif->sta.wcid.idx), .conn_state = 1, }, }; int err, idx, cmd, len; void *data; switch (vif->type) { case NL80211_IFTYPE_MESH_POINT: case NL80211_IFTYPE_AP: basic_req.basic.conn_type = cpu_to_le32(CONNECTION_INFRA_AP); break; case NL80211_IFTYPE_STATION: basic_req.basic.conn_type = cpu_to_le32(CONNECTION_INFRA_STA); break; case NL80211_IFTYPE_ADHOC: basic_req.basic.conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC); break; default: WARN_ON(1); break; } idx = omac_idx > EXT_BSSID_START ? HW_BSSID_0 : omac_idx; basic_req.basic.hw_bss_idx = idx; memcpy(dev_req.tlv.omac_addr, vif->addr, ETH_ALEN); cmd = enable ? MCU_UNI_CMD_DEV_INFO_UPDATE : MCU_UNI_CMD_BSS_INFO_UPDATE; data = enable ? (void *)&dev_req : (void *)&basic_req; len = enable ? sizeof(dev_req) : sizeof(basic_req); err = mt76_mcu_send_msg(&dev->mt76, cmd, data, len, true); if (err < 0) return err; cmd = enable ? MCU_UNI_CMD_BSS_INFO_UPDATE : MCU_UNI_CMD_DEV_INFO_UPDATE; data = enable ? (void *)&basic_req : (void *)&dev_req; len = enable ? sizeof(basic_req) : sizeof(dev_req); return mt76_mcu_send_msg(&dev->mt76, cmd, data, len, true); } int mt7921_mcu_uni_add_bss(struct mt7921_phy *phy, struct ieee80211_vif *vif, bool enable) { struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; struct cfg80211_chan_def *chandef = &phy->mt76->chandef; int freq1 = chandef->center_freq1, freq2 = chandef->center_freq2; struct mt7921_dev *dev = phy->dev; enum nl80211_band band = chandef->chan->band; u8 omac_idx = mvif->mt76.omac_idx; struct { struct { u8 bss_idx; u8 pad[3]; } __packed hdr; struct mt7921_bss_basic_tlv basic; struct mt7921_bss_qos_tlv qos; } basic_req = { .hdr = { .bss_idx = mvif->mt76.idx, }, .basic = { .tag = cpu_to_le16(UNI_BSS_INFO_BASIC), .len = cpu_to_le16(sizeof(struct mt7921_bss_basic_tlv)), .bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int), .dtim_period = vif->bss_conf.dtim_period, .omac_idx = omac_idx, .band_idx = mvif->mt76.band_idx, .wmm_idx = mvif->mt76.wmm_idx, .active = true, /* keep bss deactivated */ .phymode = mt7921_get_phy_mode(phy->dev, vif, band, NULL), }, .qos = { .tag = cpu_to_le16(UNI_BSS_INFO_QBSS), .len = cpu_to_le16(sizeof(struct mt7921_bss_qos_tlv)), .qos = vif->bss_conf.qos, }, }; struct { struct { u8 bss_idx; u8 pad[3]; } __packed hdr; struct bss_info_uni_he he; } he_req = { .hdr = { .bss_idx = mvif->mt76.idx, }, .he = { .tag = cpu_to_le16(UNI_BSS_INFO_HE_BASIC), .len = cpu_to_le16(sizeof(struct bss_info_uni_he)), }, }; struct { struct { u8 bss_idx; u8 pad[3]; } __packed hdr; struct rlm_tlv { __le16 tag; __le16 len; u8 control_channel; u8 center_chan; u8 center_chan2; u8 bw; u8 tx_streams; u8 rx_streams; u8 short_st; u8 ht_op_info; u8 sco; u8 pad[3]; } __packed rlm; } __packed rlm_req = { .hdr = { .bss_idx = mvif->mt76.idx, }, .rlm = { .tag = cpu_to_le16(UNI_BSS_INFO_RLM), .len = cpu_to_le16(sizeof(struct rlm_tlv)), .control_channel = chandef->chan->hw_value, .center_chan = ieee80211_frequency_to_channel(freq1), .center_chan2 = ieee80211_frequency_to_channel(freq2), .tx_streams = hweight8(phy->mt76->antenna_mask), .rx_streams = phy->mt76->chainmask, .short_st = true, }, }; int err, conn_type; u8 idx; idx = omac_idx > EXT_BSSID_START ? HW_BSSID_0 : omac_idx; basic_req.basic.hw_bss_idx = idx; switch (vif->type) { case NL80211_IFTYPE_MESH_POINT: case NL80211_IFTYPE_AP: if (vif->p2p) conn_type = CONNECTION_P2P_GO; else conn_type = CONNECTION_INFRA_AP; basic_req.basic.conn_type = cpu_to_le32(conn_type); break; case NL80211_IFTYPE_STATION: if (vif->p2p) conn_type = CONNECTION_P2P_GC; else conn_type = CONNECTION_INFRA_STA; basic_req.basic.conn_type = cpu_to_le32(conn_type); break; case NL80211_IFTYPE_ADHOC: basic_req.basic.conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC); break; default: WARN_ON(1); break; } memcpy(basic_req.basic.bssid, vif->bss_conf.bssid, ETH_ALEN); basic_req.basic.bmc_tx_wlan_idx = cpu_to_le16(mvif->sta.wcid.idx); basic_req.basic.sta_idx = cpu_to_le16(mvif->sta.wcid.idx); basic_req.basic.conn_state = !enable; err = mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_BSS_INFO_UPDATE, &basic_req, sizeof(basic_req), true); if (err < 0) return err; if (vif->bss_conf.he_support) { mt7921_mcu_uni_bss_he_tlv((struct tlv *)&he_req.he, vif, phy); err = mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_BSS_INFO_UPDATE, &he_req, sizeof(he_req), true); if (err < 0) return err; } switch (chandef->width) { case NL80211_CHAN_WIDTH_40: rlm_req.rlm.bw = CMD_CBW_40MHZ; break; case NL80211_CHAN_WIDTH_80: rlm_req.rlm.bw = CMD_CBW_80MHZ; break; case NL80211_CHAN_WIDTH_80P80: rlm_req.rlm.bw = CMD_CBW_8080MHZ; break; case NL80211_CHAN_WIDTH_160: rlm_req.rlm.bw = CMD_CBW_160MHZ; break; case NL80211_CHAN_WIDTH_5: rlm_req.rlm.bw = CMD_CBW_5MHZ; break; case NL80211_CHAN_WIDTH_10: rlm_req.rlm.bw = CMD_CBW_10MHZ; break; case NL80211_CHAN_WIDTH_20_NOHT: case NL80211_CHAN_WIDTH_20: default: rlm_req.rlm.bw = CMD_CBW_20MHZ; break; } if (rlm_req.rlm.control_channel < rlm_req.rlm.center_chan) rlm_req.rlm.sco = 1; /* SCA */ else if (rlm_req.rlm.control_channel > rlm_req.rlm.center_chan) rlm_req.rlm.sco = 3; /* SCB */ return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_BSS_INFO_UPDATE, &rlm_req, sizeof(rlm_req), true); } static int mt7921_mcu_add_sta_cmd(struct mt7921_dev *dev, struct ieee80211_vif *vif, struct ieee80211_sta *sta, bool enable, int cmd) { struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; struct wtbl_req_hdr *wtbl_hdr; struct mt7921_sta *msta; struct tlv *sta_wtbl; struct sk_buff *skb; msta = sta ? (struct mt7921_sta *)sta->drv_priv : &mvif->sta; skb = mt7921_mcu_alloc_sta_req(dev, mvif, msta, MT7921_STA_UPDATE_MAX_SIZE); if (IS_ERR(skb)) return PTR_ERR(skb); mt7921_mcu_sta_basic_tlv(skb, vif, sta, enable); if (enable && sta) mt7921_mcu_sta_tlv(dev, skb, sta, vif); sta_wtbl = mt7921_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv)); wtbl_hdr = mt7921_mcu_alloc_wtbl_req(dev, msta, WTBL_RESET_AND_SET, sta_wtbl, &skb); if (enable) { mt7921_mcu_wtbl_generic_tlv(skb, vif, sta, sta_wtbl, wtbl_hdr); if (sta) mt7921_mcu_wtbl_ht_tlv(skb, sta, sta_wtbl, wtbl_hdr); } return mt76_mcu_skb_send_msg(&dev->mt76, skb, cmd, true); } int mt7921_mcu_uni_add_sta(struct mt7921_dev *dev, struct ieee80211_vif *vif, struct ieee80211_sta *sta, bool enable) { return mt7921_mcu_add_sta_cmd(dev, vif, sta, enable, MCU_UNI_CMD_STA_REC_UPDATE); } int mt7921_mcu_set_channel_domain(struct mt7921_phy *phy) { struct mt76_phy *mphy = phy->mt76; struct mt7921_dev *dev = phy->dev; struct mt7921_mcu_channel_domain { __le32 country_code; /* regulatory_request.alpha2 */ u8 bw_2g; /* BW_20_40M 0 * BW_20M 1 * BW_20_40_80M 2 * BW_20_40_80_160M 3 * BW_20_40_80_8080M 4 */ u8 bw_5g; __le16 pad; u8 n_2ch; u8 n_5ch; __le16 pad2; } __packed hdr = { .bw_2g = 0, .bw_5g = 3, .n_2ch = mphy->sband_2g.sband.n_channels, .n_5ch = mphy->sband_5g.sband.n_channels, }; struct mt7921_mcu_chan { __le16 hw_value; __le16 pad; __le32 flags; } __packed; int i, n_channels = hdr.n_2ch + hdr.n_5ch; int len = sizeof(hdr) + n_channels * sizeof(struct mt7921_mcu_chan); struct sk_buff *skb; skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len); if (!skb) return -ENOMEM; skb_put_data(skb, &hdr, sizeof(hdr)); for (i = 0; i < n_channels; i++) { struct ieee80211_channel *chan; struct mt7921_mcu_chan channel; if (i < hdr.n_2ch) chan = &mphy->sband_2g.sband.channels[i]; else chan = &mphy->sband_5g.sband.channels[i - hdr.n_2ch]; channel.hw_value = cpu_to_le16(chan->hw_value); channel.flags = cpu_to_le32(chan->flags); channel.pad = 0; skb_put_data(skb, &channel, sizeof(channel)); } return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_CMD_SET_CHAN_DOMAIN, false); } #define MT7921_SCAN_CHANNEL_TIME 60 int mt7921_mcu_hw_scan(struct mt7921_phy *phy, struct ieee80211_vif *vif, struct ieee80211_scan_request *scan_req) { struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; struct cfg80211_scan_request *sreq = &scan_req->req; int n_ssids = 0, err, i, duration = MT7921_SCAN_CHANNEL_TIME; int ext_channels_num = max_t(int, sreq->n_channels - 32, 0); struct ieee80211_channel **scan_list = sreq->channels; struct mt7921_dev *dev = phy->dev; struct mt7921_mcu_scan_channel *chan; struct mt7921_hw_scan_req *req; struct sk_buff *skb; skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(*req)); if (!skb) return -ENOMEM; set_bit(MT76_HW_SCANNING, &phy->mt76->state); mvif->mt76.scan_seq_num = (mvif->mt76.scan_seq_num + 1) & 0x7f; req = (struct mt7921_hw_scan_req *)skb_put(skb, sizeof(*req)); req->seq_num = mvif->mt76.scan_seq_num; req->bss_idx = mvif->mt76.idx; req->scan_type = sreq->n_ssids ? 1 : 0; req->probe_req_num = sreq->n_ssids ? 2 : 0; req->version = 1; for (i = 0; i < sreq->n_ssids; i++) { if (!sreq->ssids[i].ssid_len) continue; req->ssids[i].ssid_len = cpu_to_le32(sreq->ssids[i].ssid_len); memcpy(req->ssids[i].ssid, sreq->ssids[i].ssid, sreq->ssids[i].ssid_len); n_ssids++; } req->ssid_type = n_ssids ? BIT(2) : BIT(0); req->ssid_type_ext = n_ssids ? BIT(0) : 0; req->ssids_num = n_ssids; /* increase channel time for passive scan */ if (!sreq->n_ssids) duration *= 2; req->timeout_value = cpu_to_le16(sreq->n_channels * duration); req->channel_min_dwell_time = cpu_to_le16(duration); req->channel_dwell_time = cpu_to_le16(duration); req->channels_num = min_t(u8, sreq->n_channels, 32); req->ext_channels_num = min_t(u8, ext_channels_num, 32); for (i = 0; i < req->channels_num + req->ext_channels_num; i++) { if (i >= 32) chan = &req->ext_channels[i - 32]; else chan = &req->channels[i]; chan->band = scan_list[i]->band == NL80211_BAND_2GHZ ? 1 : 2; chan->channel_num = scan_list[i]->hw_value; } req->channel_type = sreq->n_channels ? 4 : 0; if (sreq->ie_len > 0) { memcpy(req->ies, sreq->ie, sreq->ie_len); req->ies_len = cpu_to_le16(sreq->ie_len); } memcpy(req->bssid, sreq->bssid, ETH_ALEN); if (sreq->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { get_random_mask_addr(req->random_mac, sreq->mac_addr, sreq->mac_addr_mask); req->scan_func = 1; } err = mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_CMD_START_HW_SCAN, false); if (err < 0) clear_bit(MT76_HW_SCANNING, &phy->mt76->state); return err; } int mt7921_mcu_cancel_hw_scan(struct mt7921_phy *phy, struct ieee80211_vif *vif) { struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; struct mt7921_dev *dev = phy->dev; struct { u8 seq_num; u8 is_ext_channel; u8 rsv[2]; } __packed req = { .seq_num = mvif->mt76.scan_seq_num, }; if (test_and_clear_bit(MT76_HW_SCANNING, &phy->mt76->state)) { struct cfg80211_scan_info info = { .aborted = true, }; ieee80211_scan_completed(phy->mt76->hw, &info); } return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_CANCEL_HW_SCAN, &req, sizeof(req), false); } u32 mt7921_get_wtbl_info(struct mt7921_dev *dev, u16 wlan_idx) { struct mt7921_mcu_wlan_info wtbl_info = { .wlan_idx = cpu_to_le32(wlan_idx), }; struct sk_buff *skb; int ret; ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_CMD_GET_WTBL, &wtbl_info, sizeof(wtbl_info), true, &skb); if (ret) return ret; mt7921_mcu_tx_rate_report(dev, skb, wlan_idx); dev_kfree_skb(skb); return 0; }