| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Shayne Chen | 18616 | 84.95% | 5 | 12.82% |
| MeiChia Chiu | 965 | 4.40% | 3 | 7.69% |
| Ryder Lee | 742 | 3.39% | 10 | 25.64% |
| Howard Hsu | 475 | 2.17% | 2 | 5.13% |
| Chank Chen | 367 | 1.67% | 1 | 2.56% |
| Peter Chiu | 303 | 1.38% | 6 | 15.38% |
| Yi-Chia Hsieh | 277 | 1.26% | 1 | 2.56% |
| Bo Jiao | 66 | 0.30% | 2 | 5.13% |
| Lorenzo Bianconi | 46 | 0.21% | 5 | 12.82% |
| StanleyYP Wang | 33 | 0.15% | 2 | 5.13% |
| Allen Ye | 18 | 0.08% | 1 | 2.56% |
| Sean Wang | 5 | 0.02% | 1 | 2.56% |
| Total | 21913 | 39 |
// SPDX-License-Identifier: ISC /* * Copyright (C) 2022 MediaTek Inc. */ #include <linux/firmware.h> #include <linux/fs.h> #include "mt7996.h" #include "mcu.h" #include "mac.h" #include "eeprom.h" struct mt7996_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 mt7996_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 mt7996_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 mt7996_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 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) #define EHT_PHY(p, c) u8_get_bits(c, IEEE80211_EHT_PHY_##p) static bool sr_scene_detect = true; module_param(sr_scene_detect, bool, 0644); MODULE_PARM_DESC(sr_scene_detect, "Enable firmware scene detection algorithm"); static u8 mt7996_mcu_get_sta_nss(u16 mcs_map) { u8 nss; for (nss = 8; nss > 0; nss--) { u8 nss_mcs = (mcs_map >> (2 * (nss - 1))) & 3; if (nss_mcs != IEEE80211_VHT_MCS_NOT_SUPPORTED) break; } return nss - 1; } static void mt7996_mcu_set_sta_he_mcs(struct ieee80211_sta *sta, __le16 *he_mcs, u16 mcs_map) { struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; enum nl80211_band band = msta->vif->phy->mt76->chandef.chan->band; const u16 *mask = msta->vif->bitrate_mask.control[band].he_mcs; int nss, max_nss = sta->deflink.rx_nss > 3 ? 4 : sta->deflink.rx_nss; for (nss = 0; nss < max_nss; nss++) { int mcs; switch ((mcs_map >> (2 * nss)) & 0x3) { case IEEE80211_HE_MCS_SUPPORT_0_11: mcs = GENMASK(11, 0); break; case IEEE80211_HE_MCS_SUPPORT_0_9: mcs = GENMASK(9, 0); break; case IEEE80211_HE_MCS_SUPPORT_0_7: mcs = GENMASK(7, 0); break; default: mcs = 0; } mcs = mcs ? fls(mcs & mask[nss]) - 1 : -1; switch (mcs) { case 0 ... 7: mcs = IEEE80211_HE_MCS_SUPPORT_0_7; break; case 8 ... 9: mcs = IEEE80211_HE_MCS_SUPPORT_0_9; break; case 10 ... 11: mcs = IEEE80211_HE_MCS_SUPPORT_0_11; break; default: mcs = IEEE80211_HE_MCS_NOT_SUPPORTED; break; } mcs_map &= ~(0x3 << (nss * 2)); mcs_map |= mcs << (nss * 2); } *he_mcs = cpu_to_le16(mcs_map); } static void mt7996_mcu_set_sta_vht_mcs(struct ieee80211_sta *sta, __le16 *vht_mcs, const u16 *mask) { u16 mcs, mcs_map = le16_to_cpu(sta->deflink.vht_cap.vht_mcs.rx_mcs_map); int nss, max_nss = sta->deflink.rx_nss > 3 ? 4 : sta->deflink.rx_nss; for (nss = 0; nss < max_nss; nss++, mcs_map >>= 2) { switch (mcs_map & 0x3) { case IEEE80211_VHT_MCS_SUPPORT_0_9: mcs = GENMASK(9, 0); break; case IEEE80211_VHT_MCS_SUPPORT_0_8: mcs = GENMASK(8, 0); break; case IEEE80211_VHT_MCS_SUPPORT_0_7: mcs = GENMASK(7, 0); break; default: mcs = 0; } vht_mcs[nss] = cpu_to_le16(mcs & mask[nss]); } } static void mt7996_mcu_set_sta_ht_mcs(struct ieee80211_sta *sta, u8 *ht_mcs, const u8 *mask) { int nss, max_nss = sta->deflink.rx_nss > 3 ? 4 : sta->deflink.rx_nss; for (nss = 0; nss < max_nss; nss++) ht_mcs[nss] = sta->deflink.ht_cap.mcs.rx_mask[nss] & mask[nss]; } static int mt7996_mcu_parse_response(struct mt76_dev *mdev, int cmd, struct sk_buff *skb, int seq) { struct mt7996_mcu_rxd *rxd; struct mt7996_mcu_uni_event *event; int mcu_cmd = FIELD_GET(__MCU_CMD_FIELD_ID, cmd); int ret = 0; if (!skb) { dev_err(mdev->dev, "Message %08x (seq %d) timeout\n", cmd, seq); return -ETIMEDOUT; } rxd = (struct mt7996_mcu_rxd *)skb->data; if (seq != rxd->seq) return -EAGAIN; if (cmd == MCU_CMD(PATCH_SEM_CONTROL)) { skb_pull(skb, sizeof(*rxd) - 4); ret = *skb->data; } else if ((rxd->option & MCU_UNI_CMD_EVENT) && rxd->eid == MCU_UNI_EVENT_RESULT) { skb_pull(skb, sizeof(*rxd)); event = (struct mt7996_mcu_uni_event *)skb->data; ret = le32_to_cpu(event->status); /* skip invalid event */ if (mcu_cmd != event->cid) ret = -EAGAIN; } else { skb_pull(skb, sizeof(struct mt7996_mcu_rxd)); } return ret; } static int mt7996_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb, int cmd, int *wait_seq) { struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76); int txd_len, mcu_cmd = FIELD_GET(__MCU_CMD_FIELD_ID, cmd); struct mt76_connac2_mcu_uni_txd *uni_txd; struct mt76_connac2_mcu_txd *mcu_txd; enum mt76_mcuq_id qid; __le32 *txd; u32 val; u8 seq; 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)) { qid = MT_MCUQ_FWDL; goto exit; } txd_len = cmd & __MCU_CMD_FIELD_UNI ? sizeof(*uni_txd) : sizeof(*mcu_txd); txd = (__le32 *)skb_push(skb, txd_len); if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state)) qid = MT_MCUQ_WA; else qid = MT_MCUQ_WM; 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 = FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_CMD); txd[1] = cpu_to_le32(val); if (cmd & __MCU_CMD_FIELD_UNI) { uni_txd = (struct mt76_connac2_mcu_uni_txd *)txd; uni_txd->len = cpu_to_le16(skb->len - sizeof(uni_txd->txd)); uni_txd->cid = cpu_to_le16(mcu_cmd); uni_txd->s2d_index = MCU_S2D_H2CN; uni_txd->pkt_type = MCU_PKT_ID; uni_txd->seq = seq; if (cmd & __MCU_CMD_FIELD_QUERY) uni_txd->option = MCU_CMD_UNI_QUERY_ACK; else uni_txd->option = MCU_CMD_UNI_EXT_ACK; if ((cmd & __MCU_CMD_FIELD_WA) && (cmd & __MCU_CMD_FIELD_WM)) uni_txd->s2d_index = MCU_S2D_H2CN; else if (cmd & __MCU_CMD_FIELD_WA) uni_txd->s2d_index = MCU_S2D_H2C; else if (cmd & __MCU_CMD_FIELD_WM) uni_txd->s2d_index = MCU_S2D_H2N; goto exit; } mcu_txd = (struct mt76_connac2_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; mcu_txd->cid = FIELD_GET(__MCU_CMD_FIELD_ID, cmd); mcu_txd->set_query = MCU_Q_NA; mcu_txd->ext_cid = FIELD_GET(__MCU_CMD_FIELD_EXT_ID, cmd); if (mcu_txd->ext_cid) { mcu_txd->ext_cid_ack = 1; if (cmd & __MCU_CMD_FIELD_QUERY) mcu_txd->set_query = MCU_Q_QUERY; else mcu_txd->set_query = MCU_Q_SET; } if (cmd & __MCU_CMD_FIELD_WA) mcu_txd->s2d_index = MCU_S2D_H2C; else mcu_txd->s2d_index = MCU_S2D_H2N; exit: if (wait_seq) *wait_seq = seq; return mt76_tx_queue_skb_raw(dev, mdev->q_mcu[qid], skb, 0); } int mt7996_mcu_wa_cmd(struct mt7996_dev *dev, int cmd, u32 a1, u32 a2, u32 a3) { struct { __le32 args[3]; } req = { .args = { cpu_to_le32(a1), cpu_to_le32(a2), cpu_to_le32(a3), }, }; return mt76_mcu_send_msg(&dev->mt76, cmd, &req, sizeof(req), false); } static void mt7996_mcu_csa_finish(void *priv, u8 *mac, struct ieee80211_vif *vif) { if (!vif->bss_conf.csa_active || vif->type == NL80211_IFTYPE_STATION) return; ieee80211_csa_finish(vif); } static void mt7996_mcu_rx_radar_detected(struct mt7996_dev *dev, struct sk_buff *skb) { struct mt76_phy *mphy = &dev->mt76.phy; struct mt7996_mcu_rdd_report *r; r = (struct mt7996_mcu_rdd_report *)skb->data; if (r->band_idx >= ARRAY_SIZE(dev->mt76.phys)) return; if (dev->rdd2_phy && r->band_idx == MT_RX_SEL2) mphy = dev->rdd2_phy->mt76; else mphy = dev->mt76.phys[r->band_idx]; if (!mphy) return; if (r->band_idx == MT_RX_SEL2) cfg80211_background_radar_event(mphy->hw->wiphy, &dev->rdd2_chandef, GFP_ATOMIC); else ieee80211_radar_detected(mphy->hw); dev->hw_pattern++; } static void mt7996_mcu_rx_log_message(struct mt7996_dev *dev, struct sk_buff *skb) { #define UNI_EVENT_FW_LOG_FORMAT 0 struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data; const char *data = (char *)&rxd[1] + 4, *type; struct tlv *tlv = (struct tlv *)data; int len; if (!(rxd->option & MCU_UNI_CMD_EVENT)) { len = skb->len - sizeof(*rxd); data = (char *)&rxd[1]; goto out; } if (le16_to_cpu(tlv->tag) != UNI_EVENT_FW_LOG_FORMAT) return; data += sizeof(*tlv) + 4; len = le16_to_cpu(tlv->len) - sizeof(*tlv) - 4; out: switch (rxd->s2d_index) { case 0: if (mt7996_debugfs_rx_log(dev, data, len)) return; type = "WM"; break; case 2: type = "WA"; break; default: type = "unknown"; break; } wiphy_info(mt76_hw(dev)->wiphy, "%s: %.*s", type, len, data); } static void mt7996_mcu_cca_finish(void *priv, u8 *mac, struct ieee80211_vif *vif) { if (!vif->bss_conf.color_change_active || vif->type == NL80211_IFTYPE_STATION) return; ieee80211_color_change_finish(vif); } static void mt7996_mcu_ie_countdown(struct mt7996_dev *dev, struct sk_buff *skb) { #define UNI_EVENT_IE_COUNTDOWN_CSA 0 #define UNI_EVENT_IE_COUNTDOWN_BCC 1 struct header { u8 band; u8 rsv[3]; }; struct mt76_phy *mphy = &dev->mt76.phy; struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data; const char *data = (char *)&rxd[1], *tail; struct header *hdr = (struct header *)data; struct tlv *tlv = (struct tlv *)(data + 4); if (hdr->band >= ARRAY_SIZE(dev->mt76.phys)) return; if (hdr->band && dev->mt76.phys[hdr->band]) mphy = dev->mt76.phys[hdr->band]; tail = skb->data + skb->len; data += sizeof(struct header); while (data + sizeof(struct tlv) < tail && le16_to_cpu(tlv->len)) { switch (le16_to_cpu(tlv->tag)) { case UNI_EVENT_IE_COUNTDOWN_CSA: ieee80211_iterate_active_interfaces_atomic(mphy->hw, IEEE80211_IFACE_ITER_RESUME_ALL, mt7996_mcu_csa_finish, mphy->hw); break; case UNI_EVENT_IE_COUNTDOWN_BCC: ieee80211_iterate_active_interfaces_atomic(mphy->hw, IEEE80211_IFACE_ITER_RESUME_ALL, mt7996_mcu_cca_finish, mphy->hw); break; } data += le16_to_cpu(tlv->len); tlv = (struct tlv *)data; } } static void mt7996_mcu_rx_all_sta_info_event(struct mt7996_dev *dev, struct sk_buff *skb) { struct mt7996_mcu_all_sta_info_event *res; u16 i; skb_pull(skb, sizeof(struct mt7996_mcu_rxd)); res = (struct mt7996_mcu_all_sta_info_event *)skb->data; for (i = 0; i < le16_to_cpu(res->sta_num); i++) { u8 ac; u16 wlan_idx; struct mt76_wcid *wcid; switch (le16_to_cpu(res->tag)) { case UNI_ALL_STA_TXRX_ADM_STAT: wlan_idx = le16_to_cpu(res->adm_stat[i].wlan_idx); wcid = rcu_dereference(dev->mt76.wcid[wlan_idx]); if (!wcid) break; for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { wcid->stats.tx_bytes += le32_to_cpu(res->adm_stat[i].tx_bytes[ac]); wcid->stats.rx_bytes += le32_to_cpu(res->adm_stat[i].rx_bytes[ac]); } break; case UNI_ALL_STA_TXRX_MSDU_COUNT: wlan_idx = le16_to_cpu(res->msdu_cnt[i].wlan_idx); wcid = rcu_dereference(dev->mt76.wcid[wlan_idx]); if (!wcid) break; wcid->stats.tx_packets += le32_to_cpu(res->msdu_cnt[i].tx_msdu_cnt); wcid->stats.rx_packets += le32_to_cpu(res->msdu_cnt[i].rx_msdu_cnt); break; default: break; } } } static void mt7996_mcu_rx_ext_event(struct mt7996_dev *dev, struct sk_buff *skb) { struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data; switch (rxd->ext_eid) { case MCU_EXT_EVENT_FW_LOG_2_HOST: mt7996_mcu_rx_log_message(dev, skb); break; default: break; } } static void mt7996_mcu_rx_unsolicited_event(struct mt7996_dev *dev, struct sk_buff *skb) { struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data; switch (rxd->eid) { case MCU_EVENT_EXT: mt7996_mcu_rx_ext_event(dev, skb); break; default: break; } dev_kfree_skb(skb); } static void mt7996_mcu_uni_rx_unsolicited_event(struct mt7996_dev *dev, struct sk_buff *skb) { struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data; switch (rxd->eid) { case MCU_UNI_EVENT_FW_LOG_2_HOST: mt7996_mcu_rx_log_message(dev, skb); break; case MCU_UNI_EVENT_IE_COUNTDOWN: mt7996_mcu_ie_countdown(dev, skb); break; case MCU_UNI_EVENT_RDD_REPORT: mt7996_mcu_rx_radar_detected(dev, skb); break; case MCU_UNI_EVENT_ALL_STA_INFO: mt7996_mcu_rx_all_sta_info_event(dev, skb); break; default: break; } dev_kfree_skb(skb); } void mt7996_mcu_rx_event(struct mt7996_dev *dev, struct sk_buff *skb) { struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data; if (rxd->option & MCU_UNI_CMD_UNSOLICITED_EVENT) { mt7996_mcu_uni_rx_unsolicited_event(dev, skb); return; } /* WA still uses legacy event*/ if (rxd->ext_eid == MCU_EXT_EVENT_FW_LOG_2_HOST || !rxd->seq) mt7996_mcu_rx_unsolicited_event(dev, skb); else mt76_mcu_rx_event(&dev->mt76, skb); } static struct tlv * mt7996_mcu_add_uni_tlv(struct sk_buff *skb, u16 tag, u16 len) { struct tlv *ptlv, tlv = { .tag = cpu_to_le16(tag), .len = cpu_to_le16(len), }; ptlv = skb_put(skb, len); memcpy(ptlv, &tlv, sizeof(tlv)); return ptlv; } static void mt7996_mcu_bss_rfch_tlv(struct sk_buff *skb, struct ieee80211_vif *vif, struct mt7996_phy *phy) { static const u8 rlm_ch_band[] = { [NL80211_BAND_2GHZ] = 1, [NL80211_BAND_5GHZ] = 2, [NL80211_BAND_6GHZ] = 3, }; struct cfg80211_chan_def *chandef = &phy->mt76->chandef; struct bss_rlm_tlv *ch; struct tlv *tlv; int freq1 = chandef->center_freq1; tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_RLM, sizeof(*ch)); ch = (struct bss_rlm_tlv *)tlv; ch->control_channel = chandef->chan->hw_value; ch->center_chan = ieee80211_frequency_to_channel(freq1); ch->bw = mt76_connac_chan_bw(chandef); ch->tx_streams = hweight8(phy->mt76->antenna_mask); ch->rx_streams = hweight8(phy->mt76->antenna_mask); ch->band = rlm_ch_band[chandef->chan->band]; if (chandef->width == NL80211_CHAN_WIDTH_80P80) { int freq2 = chandef->center_freq2; ch->center_chan2 = ieee80211_frequency_to_channel(freq2); } } static void mt7996_mcu_bss_ra_tlv(struct sk_buff *skb, struct ieee80211_vif *vif, struct mt7996_phy *phy) { struct bss_ra_tlv *ra; struct tlv *tlv; tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_RA, sizeof(*ra)); ra = (struct bss_ra_tlv *)tlv; ra->short_preamble = true; } static void mt7996_mcu_bss_he_tlv(struct sk_buff *skb, struct ieee80211_vif *vif, struct mt7996_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; struct tlv *tlv; cap = mt76_connac_get_he_phy_cap(phy->mt76, vif); tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_HE_BASIC, sizeof(*he)); 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; } static void mt7996_mcu_bss_mbssid_tlv(struct sk_buff *skb, struct ieee80211_vif *vif, struct mt7996_phy *phy, int enable) { struct bss_info_uni_mbssid *mbssid; struct tlv *tlv; tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_11V_MBSSID, sizeof(*mbssid)); mbssid = (struct bss_info_uni_mbssid *)tlv; if (enable && vif->bss_conf.bssid_indicator) { mbssid->max_indicator = vif->bss_conf.bssid_indicator; mbssid->mbss_idx = vif->bss_conf.bssid_index; mbssid->tx_bss_omac_idx = 0; } } static void mt7996_mcu_bss_bmc_tlv(struct sk_buff *skb, struct ieee80211_vif *vif, struct mt7996_phy *phy) { struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; struct bss_rate_tlv *bmc; struct cfg80211_chan_def *chandef = &phy->mt76->chandef; enum nl80211_band band = chandef->chan->band; struct tlv *tlv; u8 idx = mvif->mcast_rates_idx ? mvif->mcast_rates_idx : mvif->basic_rates_idx; tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_RATE, sizeof(*bmc)); bmc = (struct bss_rate_tlv *)tlv; bmc->short_preamble = (band == NL80211_BAND_2GHZ); bmc->bc_fixed_rate = idx; bmc->mc_fixed_rate = idx; } static void mt7996_mcu_bss_txcmd_tlv(struct sk_buff *skb, bool en) { struct bss_txcmd_tlv *txcmd; struct tlv *tlv; tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_TXCMD, sizeof(*txcmd)); txcmd = (struct bss_txcmd_tlv *)tlv; txcmd->txcmd_mode = en; } static void mt7996_mcu_bss_mld_tlv(struct sk_buff *skb, struct ieee80211_vif *vif) { struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; struct bss_mld_tlv *mld; struct tlv *tlv; tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_MLD, sizeof(*mld)); mld = (struct bss_mld_tlv *)tlv; mld->group_mld_id = 0xff; mld->own_mld_id = mvif->mt76.idx; mld->remap_idx = 0xff; } static void mt7996_mcu_bss_sec_tlv(struct sk_buff *skb, struct ieee80211_vif *vif) { struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; struct bss_sec_tlv *sec; struct tlv *tlv; tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_SEC, sizeof(*sec)); sec = (struct bss_sec_tlv *)tlv; sec->cipher = mvif->cipher; } static int mt7996_mcu_muar_config(struct mt7996_phy *phy, struct ieee80211_vif *vif, bool bssid, bool enable) { #define UNI_MUAR_ENTRY 2 struct mt7996_dev *dev = phy->dev; struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; u32 idx = mvif->mt76.omac_idx - REPEATER_BSSID_START; const u8 *addr = vif->addr; struct { struct { u8 band; u8 __rsv[3]; } hdr; __le16 tag; __le16 len; bool smesh; u8 bssid; u8 index; u8 entry_add; u8 addr[ETH_ALEN]; u8 __rsv[2]; } __packed req = { .hdr.band = phy->mt76->band_idx, .tag = cpu_to_le16(UNI_MUAR_ENTRY), .len = cpu_to_le16(sizeof(req) - sizeof(req.hdr)), .smesh = false, .index = idx * 2 + bssid, .entry_add = true, }; if (bssid) addr = vif->bss_conf.bssid; if (enable) memcpy(req.addr, addr, ETH_ALEN); return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(REPT_MUAR), &req, sizeof(req), true); } static void mt7996_mcu_bss_ifs_timing_tlv(struct sk_buff *skb, struct ieee80211_vif *vif) { struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; struct mt7996_phy *phy = mvif->phy; struct bss_ifs_time_tlv *ifs_time; struct tlv *tlv; bool is_2ghz = phy->mt76->chandef.chan->band == NL80211_BAND_2GHZ; tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_IFS_TIME, sizeof(*ifs_time)); ifs_time = (struct bss_ifs_time_tlv *)tlv; ifs_time->slot_valid = true; ifs_time->sifs_valid = true; ifs_time->rifs_valid = true; ifs_time->eifs_valid = true; ifs_time->slot_time = cpu_to_le16(phy->slottime); ifs_time->sifs_time = cpu_to_le16(10); ifs_time->rifs_time = cpu_to_le16(2); ifs_time->eifs_time = cpu_to_le16(is_2ghz ? 78 : 84); if (is_2ghz) { ifs_time->eifs_cck_valid = true; ifs_time->eifs_cck_time = cpu_to_le16(314); } } static int mt7996_mcu_bss_basic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct mt76_phy *phy, u16 wlan_idx, bool enable) { struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; struct cfg80211_chan_def *chandef = &phy->chandef; struct mt76_connac_bss_basic_tlv *bss; u32 type = CONNECTION_INFRA_AP; u16 sta_wlan_idx = wlan_idx; struct tlv *tlv; int idx; switch (vif->type) { case NL80211_IFTYPE_MESH_POINT: case NL80211_IFTYPE_AP: case NL80211_IFTYPE_MONITOR: break; case NL80211_IFTYPE_STATION: if (enable) { rcu_read_lock(); if (!sta) sta = ieee80211_find_sta(vif, vif->bss_conf.bssid); /* TODO: enable BSS_INFO_UAPSD & BSS_INFO_PM */ if (sta) { struct mt76_wcid *wcid; wcid = (struct mt76_wcid *)sta->drv_priv; sta_wlan_idx = wcid->idx; } rcu_read_unlock(); } type = CONNECTION_INFRA_STA; break; case NL80211_IFTYPE_ADHOC: type = CONNECTION_IBSS_ADHOC; break; default: WARN_ON(1); break; } tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_BASIC, sizeof(*bss)); bss = (struct mt76_connac_bss_basic_tlv *)tlv; bss->bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int); bss->dtim_period = vif->bss_conf.dtim_period; bss->bmc_tx_wlan_idx = cpu_to_le16(wlan_idx); bss->sta_idx = cpu_to_le16(sta_wlan_idx); bss->conn_type = cpu_to_le32(type); bss->omac_idx = mvif->omac_idx; bss->band_idx = mvif->band_idx; bss->wmm_idx = mvif->wmm_idx; bss->conn_state = !enable; bss->active = enable; idx = mvif->omac_idx > EXT_BSSID_START ? HW_BSSID_0 : mvif->omac_idx; bss->hw_bss_idx = idx; if (vif->type == NL80211_IFTYPE_MONITOR) { memcpy(bss->bssid, phy->macaddr, ETH_ALEN); return 0; } memcpy(bss->bssid, vif->bss_conf.bssid, ETH_ALEN); bss->bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int); bss->dtim_period = vif->bss_conf.dtim_period; bss->phymode = mt76_connac_get_phy_mode(phy, vif, chandef->chan->band, NULL); bss->phymode_ext = mt76_connac_get_phy_mode_ext(phy, vif, chandef->chan->band); return 0; } static struct sk_buff * __mt7996_mcu_alloc_bss_req(struct mt76_dev *dev, struct mt76_vif *mvif, int len) { struct bss_req_hdr hdr = { .bss_idx = mvif->idx, }; struct sk_buff *skb; skb = mt76_mcu_msg_alloc(dev, NULL, len); if (!skb) return ERR_PTR(-ENOMEM); skb_put_data(skb, &hdr, sizeof(hdr)); return skb; } int mt7996_mcu_add_bss_info(struct mt7996_phy *phy, struct ieee80211_vif *vif, int enable) { struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; struct mt7996_dev *dev = phy->dev; struct sk_buff *skb; if (mvif->mt76.omac_idx >= REPEATER_BSSID_START) { mt7996_mcu_muar_config(phy, vif, false, enable); mt7996_mcu_muar_config(phy, vif, true, enable); } skb = __mt7996_mcu_alloc_bss_req(&dev->mt76, &mvif->mt76, MT7996_BSS_UPDATE_MAX_SIZE); if (IS_ERR(skb)) return PTR_ERR(skb); /* bss_basic must be first */ mt7996_mcu_bss_basic_tlv(skb, vif, NULL, phy->mt76, mvif->sta.wcid.idx, enable); mt7996_mcu_bss_sec_tlv(skb, vif); if (vif->type == NL80211_IFTYPE_MONITOR) goto out; if (enable) { mt7996_mcu_bss_rfch_tlv(skb, vif, phy); mt7996_mcu_bss_bmc_tlv(skb, vif, phy); mt7996_mcu_bss_ra_tlv(skb, vif, phy); mt7996_mcu_bss_txcmd_tlv(skb, true); mt7996_mcu_bss_ifs_timing_tlv(skb, vif); if (vif->bss_conf.he_support) mt7996_mcu_bss_he_tlv(skb, vif, phy); /* this tag is necessary no matter if the vif is MLD */ mt7996_mcu_bss_mld_tlv(skb, vif); } mt7996_mcu_bss_mbssid_tlv(skb, vif, phy, enable); out: return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_WMWA_UNI_CMD(BSS_INFO_UPDATE), true); } int mt7996_mcu_set_timing(struct mt7996_phy *phy, struct ieee80211_vif *vif) { struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; struct mt7996_dev *dev = phy->dev; struct sk_buff *skb; skb = __mt7996_mcu_alloc_bss_req(&dev->mt76, &mvif->mt76, MT7996_BSS_UPDATE_MAX_SIZE); if (IS_ERR(skb)) return PTR_ERR(skb); mt7996_mcu_bss_ifs_timing_tlv(skb, vif); return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_WMWA_UNI_CMD(BSS_INFO_UPDATE), true); } static int mt7996_mcu_sta_ba(struct mt76_dev *dev, struct mt76_vif *mvif, struct ieee80211_ampdu_params *params, bool enable, bool tx) { struct mt76_wcid *wcid = (struct mt76_wcid *)params->sta->drv_priv; struct sta_rec_ba_uni *ba; struct sk_buff *skb; struct tlv *tlv; skb = __mt76_connac_mcu_alloc_sta_req(dev, mvif, wcid, MT7996_STA_UPDATE_MAX_SIZE); if (IS_ERR(skb)) return PTR_ERR(skb); tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_BA, sizeof(*ba)); ba = (struct sta_rec_ba_uni *)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; return mt76_mcu_skb_send_msg(dev, skb, MCU_WMWA_UNI_CMD(STA_REC_UPDATE), true); } /** starec & wtbl **/ int mt7996_mcu_add_tx_ba(struct mt7996_dev *dev, struct ieee80211_ampdu_params *params, bool enable) { struct mt7996_sta *msta = (struct mt7996_sta *)params->sta->drv_priv; struct mt7996_vif *mvif = msta->vif; if (enable && !params->amsdu) msta->wcid.amsdu = false; return mt7996_mcu_sta_ba(&dev->mt76, &mvif->mt76, params, enable, true); } int mt7996_mcu_add_rx_ba(struct mt7996_dev *dev, struct ieee80211_ampdu_params *params, bool enable) { struct mt7996_sta *msta = (struct mt7996_sta *)params->sta->drv_priv; struct mt7996_vif *mvif = msta->vif; return mt7996_mcu_sta_ba(&dev->mt76, &mvif->mt76, params, enable, false); } static void mt7996_mcu_sta_he_tlv(struct sk_buff *skb, struct ieee80211_sta *sta) { struct ieee80211_he_cap_elem *elem = &sta->deflink.he_cap.he_cap_elem; struct ieee80211_he_mcs_nss_supp mcs_map; struct sta_rec_he_v2 *he; struct tlv *tlv; int i = 0; if (!sta->deflink.he_cap.has_he) return; tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HE_V2, sizeof(*he)); he = (struct sta_rec_he_v2 *)tlv; for (i = 0; i < 11; i++) { if (i < 6) he->he_mac_cap[i] = elem->mac_cap_info[i]; he->he_phy_cap[i] = elem->phy_cap_info[i]; } mcs_map = sta->deflink.he_cap.he_mcs_nss_supp; switch (sta->deflink.bandwidth) { case IEEE80211_STA_RX_BW_160: if (elem->phy_cap_info[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) mt7996_mcu_set_sta_he_mcs(sta, &he->max_nss_mcs[CMD_HE_MCS_BW8080], le16_to_cpu(mcs_map.rx_mcs_80p80)); mt7996_mcu_set_sta_he_mcs(sta, &he->max_nss_mcs[CMD_HE_MCS_BW160], le16_to_cpu(mcs_map.rx_mcs_160)); fallthrough; default: mt7996_mcu_set_sta_he_mcs(sta, &he->max_nss_mcs[CMD_HE_MCS_BW80], le16_to_cpu(mcs_map.rx_mcs_80)); break; } he->pkt_ext = 2; } static void mt7996_mcu_sta_he_6g_tlv(struct sk_buff *skb, struct ieee80211_sta *sta) { struct sta_rec_he_6g_capa *he_6g; struct tlv *tlv; if (!sta->deflink.he_6ghz_capa.capa) return; tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HE_6G, sizeof(*he_6g)); he_6g = (struct sta_rec_he_6g_capa *)tlv; he_6g->capa = sta->deflink.he_6ghz_capa.capa; } static void mt7996_mcu_sta_eht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta) { struct ieee80211_eht_mcs_nss_supp *mcs_map; struct ieee80211_eht_cap_elem_fixed *elem; struct sta_rec_eht *eht; struct tlv *tlv; if (!sta->deflink.eht_cap.has_eht) return; mcs_map = &sta->deflink.eht_cap.eht_mcs_nss_supp; elem = &sta->deflink.eht_cap.eht_cap_elem; tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_EHT, sizeof(*eht)); eht = (struct sta_rec_eht *)tlv; eht->tid_bitmap = 0xff; eht->mac_cap = cpu_to_le16(*(u16 *)elem->mac_cap_info); eht->phy_cap = cpu_to_le64(*(u64 *)elem->phy_cap_info); eht->phy_cap_ext = cpu_to_le64(elem->phy_cap_info[8]); if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_20) memcpy(eht->mcs_map_bw20, &mcs_map->only_20mhz, sizeof(eht->mcs_map_bw20)); memcpy(eht->mcs_map_bw80, &mcs_map->bw._80, sizeof(eht->mcs_map_bw80)); memcpy(eht->mcs_map_bw160, &mcs_map->bw._160, sizeof(eht->mcs_map_bw160)); memcpy(eht->mcs_map_bw320, &mcs_map->bw._320, sizeof(eht->mcs_map_bw320)); } static void mt7996_mcu_sta_ht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta) { struct sta_rec_ht *ht; struct tlv *tlv; if (!sta->deflink.ht_cap.ht_supported) return; tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HT, sizeof(*ht)); ht = (struct sta_rec_ht *)tlv; ht->ht_cap = cpu_to_le16(sta->deflink.ht_cap.cap); } static void mt7996_mcu_sta_vht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta) { struct sta_rec_vht *vht; struct tlv *tlv; /* For 6G band, this tlv is necessary to let hw work normally */ if (!sta->deflink.he_6ghz_capa.capa && !sta->deflink.vht_cap.vht_supported) return; tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_VHT, sizeof(*vht)); vht = (struct sta_rec_vht *)tlv; vht->vht_cap = cpu_to_le32(sta->deflink.vht_cap.cap); vht->vht_rx_mcs_map = sta->deflink.vht_cap.vht_mcs.rx_mcs_map; vht->vht_tx_mcs_map = sta->deflink.vht_cap.vht_mcs.tx_mcs_map; } static void mt7996_mcu_sta_amsdu_tlv(struct mt7996_dev *dev, struct sk_buff *skb, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; struct sta_rec_amsdu *amsdu; struct tlv *tlv; if (vif->type != NL80211_IFTYPE_STATION && vif->type != NL80211_IFTYPE_MESH_POINT && vif->type != NL80211_IFTYPE_AP) return; if (!sta->deflink.agg.max_amsdu_len) return; tlv = mt76_connac_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; msta->wcid.amsdu = true; switch (sta->deflink.agg.max_amsdu_len) { case IEEE80211_MAX_MPDU_LEN_VHT_11454: amsdu->max_mpdu_size = IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454; return; case IEEE80211_MAX_MPDU_LEN_HT_7935: case IEEE80211_MAX_MPDU_LEN_VHT_7991: amsdu->max_mpdu_size = IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991; return; default: amsdu->max_mpdu_size = IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895; return; } } static void mt7996_mcu_sta_muru_tlv(struct mt7996_dev *dev, struct sk_buff *skb, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct ieee80211_he_cap_elem *elem = &sta->deflink.he_cap.he_cap_elem; struct sta_rec_muru *muru; struct tlv *tlv; if (vif->type != NL80211_IFTYPE_STATION && vif->type != NL80211_IFTYPE_AP) return; tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_MURU, sizeof(*muru)); muru = (struct sta_rec_muru *)tlv; muru->cfg.mimo_dl_en = vif->bss_conf.eht_mu_beamformer || vif->bss_conf.he_mu_beamformer || vif->bss_conf.vht_mu_beamformer || vif->bss_conf.vht_mu_beamformee; muru->cfg.ofdma_dl_en = true; if (sta->deflink.vht_cap.vht_supported) muru->mimo_dl.vht_mu_bfee = !!(sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE); if (!sta->deflink.he_cap.has_he) return; muru->mimo_dl.partial_bw_dl_mimo = HE_PHY(CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO, elem->phy_cap_info[6]); muru->mimo_ul.full_ul_mimo = HE_PHY(CAP2_UL_MU_FULL_MU_MIMO, elem->phy_cap_info[2]); muru->mimo_ul.partial_ul_mimo = HE_PHY(CAP2_UL_MU_PARTIAL_MU_MIMO, elem->phy_cap_info[2]); muru->ofdma_dl.punc_pream_rx = HE_PHY(CAP1_PREAMBLE_PUNC_RX_MASK, elem->phy_cap_info[1]); muru->ofdma_dl.he_20m_in_40m_2g = HE_PHY(CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G, elem->phy_cap_info[8]); muru->ofdma_dl.he_20m_in_160m = HE_PHY(CAP8_20MHZ_IN_160MHZ_HE_PPDU, elem->phy_cap_info[8]); muru->ofdma_dl.he_80m_in_160m = HE_PHY(CAP8_80MHZ_IN_160MHZ_HE_PPDU, elem->phy_cap_info[8]); muru->ofdma_ul.t_frame_dur = HE_MAC(CAP1_TF_MAC_PAD_DUR_MASK, elem->mac_cap_info[1]); muru->ofdma_ul.mu_cascading = HE_MAC(CAP2_MU_CASCADING, elem->mac_cap_info[2]); muru->ofdma_ul.uo_ra = HE_MAC(CAP3_OFDMA_RA, elem->mac_cap_info[3]); muru->ofdma_ul.rx_ctrl_frame_to_mbss = HE_MAC(CAP3_RX_CTRL_FRAME_TO_MULTIBSS, elem->mac_cap_info[3]); } static inline bool mt7996_is_ebf_supported(struct mt7996_phy *phy, struct ieee80211_vif *vif, struct ieee80211_sta *sta, bool bfee) { int sts = hweight16(phy->mt76->chainmask); if (vif->type != NL80211_IFTYPE_STATION && vif->type != NL80211_IFTYPE_AP) return false; if (!bfee && sts < 2) return false; if (sta->deflink.eht_cap.has_eht) { struct ieee80211_sta_eht_cap *pc = &sta->deflink.eht_cap; struct ieee80211_eht_cap_elem_fixed *pe = &pc->eht_cap_elem; if (bfee) return vif->bss_conf.eht_su_beamformee && EHT_PHY(CAP0_SU_BEAMFORMEE, pe->phy_cap_info[0]); else return vif->bss_conf.eht_su_beamformer && EHT_PHY(CAP0_SU_BEAMFORMER, pe->phy_cap_info[0]); } if (sta->deflink.he_cap.has_he) { struct ieee80211_he_cap_elem *pe = &sta->deflink.he_cap.he_cap_elem; if (bfee) return vif->bss_conf.he_su_beamformee && HE_PHY(CAP3_SU_BEAMFORMER, pe->phy_cap_info[3]); else return vif->bss_conf.he_su_beamformer && HE_PHY(CAP4_SU_BEAMFORMEE, pe->phy_cap_info[4]); } if (sta->deflink.vht_cap.vht_supported) { u32 cap = sta->deflink.vht_cap.cap; if (bfee) return vif->bss_conf.vht_su_beamformee && (cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE); else return vif->bss_conf.vht_su_beamformer && (cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE); } return false; } static void mt7996_mcu_sta_sounding_rate(struct sta_rec_bf *bf) { bf->sounding_phy = MT_PHY_TYPE_OFDM; bf->ndp_rate = 0; /* mcs0 */ bf->ndpa_rate = MT7996_CFEND_RATE_DEFAULT; /* ofdm 24m */ bf->rept_poll_rate = MT7996_CFEND_RATE_DEFAULT; /* ofdm 24m */ } static void mt7996_mcu_sta_bfer_ht(struct ieee80211_sta *sta, struct mt7996_phy *phy, struct sta_rec_bf *bf) { struct ieee80211_mcs_info *mcs = &sta->deflink.ht_cap.mcs; u8 n = 0; bf->tx_mode = MT_PHY_TYPE_HT; if ((mcs->tx_params & IEEE80211_HT_MCS_TX_RX_DIFF) && (mcs->tx_params & IEEE80211_HT_MCS_TX_DEFINED)) n = FIELD_GET(IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK, mcs->tx_params); else if (mcs->rx_mask[3]) n = 3; else if (mcs->rx_mask[2]) n = 2; else if (mcs->rx_mask[1]) n = 1; bf->nrow = hweight8(phy->mt76->antenna_mask) - 1; bf->ncol = min_t(u8, bf->nrow, n); bf->ibf_ncol = n; } static void mt7996_mcu_sta_bfer_vht(struct ieee80211_sta *sta, struct mt7996_phy *phy, struct sta_rec_bf *bf, bool explicit) { struct ieee80211_sta_vht_cap *pc = &sta->deflink.vht_cap; struct ieee80211_sta_vht_cap *vc = &phy->mt76->sband_5g.sband.vht_cap; u16 mcs_map = le16_to_cpu(pc->vht_mcs.rx_mcs_map); u8 nss_mcs = mt7996_mcu_get_sta_nss(mcs_map); u8 tx_ant = hweight8(phy->mt76->antenna_mask) - 1; bf->tx_mode = MT_PHY_TYPE_VHT; if (explicit) { u8 sts, snd_dim; mt7996_mcu_sta_sounding_rate(bf); sts = FIELD_GET(IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK, pc->cap); snd_dim = FIELD_GET(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK, vc->cap); bf->nrow = min_t(u8, min_t(u8, snd_dim, sts), tx_ant); bf->ncol = min_t(u8, nss_mcs, bf->nrow); bf->ibf_ncol = bf->ncol; if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160) bf->nrow = 1; } else { bf->nrow = tx_ant; bf->ncol = min_t(u8, nss_mcs, bf->nrow); bf->ibf_ncol = nss_mcs; if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160) bf->ibf_nrow = 1; } } static void mt7996_mcu_sta_bfer_he(struct ieee80211_sta *sta, struct ieee80211_vif *vif, struct mt7996_phy *phy, struct sta_rec_bf *bf) { struct ieee80211_sta_he_cap *pc = &sta->deflink.he_cap; struct ieee80211_he_cap_elem *pe = &pc->he_cap_elem; const struct ieee80211_sta_he_cap *vc = mt76_connac_get_he_phy_cap(phy->mt76, vif); const struct ieee80211_he_cap_elem *ve = &vc->he_cap_elem; u16 mcs_map = le16_to_cpu(pc->he_mcs_nss_supp.rx_mcs_80); u8 nss_mcs = mt7996_mcu_get_sta_nss(mcs_map); u8 snd_dim, sts; bf->tx_mode = MT_PHY_TYPE_HE_SU; mt7996_mcu_sta_sounding_rate(bf); bf->trigger_su = HE_PHY(CAP6_TRIG_SU_BEAMFORMING_FB, pe->phy_cap_info[6]); bf->trigger_mu = HE_PHY(CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB, pe->phy_cap_info[6]); snd_dim = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK, ve->phy_cap_info[5]); sts = HE_PHY(CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK, pe->phy_cap_info[4]); bf->nrow = min_t(u8, snd_dim, sts); bf->ncol = min_t(u8, nss_mcs, bf->nrow); bf->ibf_ncol = bf->ncol; if (sta->deflink.bandwidth != IEEE80211_STA_RX_BW_160) return; /* go over for 160MHz and 80p80 */ if (pe->phy_cap_info[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) { mcs_map = le16_to_cpu(pc->he_mcs_nss_supp.rx_mcs_160); nss_mcs = mt7996_mcu_get_sta_nss(mcs_map); bf->ncol_gt_bw80 = nss_mcs; } if (pe->phy_cap_info[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) { mcs_map = le16_to_cpu(pc->he_mcs_nss_supp.rx_mcs_80p80); nss_mcs = mt7996_mcu_get_sta_nss(mcs_map); if (bf->ncol_gt_bw80) bf->ncol_gt_bw80 = min_t(u8, bf->ncol_gt_bw80, nss_mcs); else bf->ncol_gt_bw80 = nss_mcs; } snd_dim = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK, ve->phy_cap_info[5]); sts = HE_PHY(CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK, pe->phy_cap_info[4]); bf->nrow_gt_bw80 = min_t(int, snd_dim, sts); } static void mt7996_mcu_sta_bfer_eht(struct ieee80211_sta *sta, struct ieee80211_vif *vif, struct mt7996_phy *phy, struct sta_rec_bf *bf) { struct ieee80211_sta_eht_cap *pc = &sta->deflink.eht_cap; struct ieee80211_eht_cap_elem_fixed *pe = &pc->eht_cap_elem; struct ieee80211_eht_mcs_nss_supp *eht_nss = &pc->eht_mcs_nss_supp; const struct ieee80211_sta_eht_cap *vc = mt76_connac_get_eht_phy_cap(phy->mt76, vif); const struct ieee80211_eht_cap_elem_fixed *ve = &vc->eht_cap_elem; u8 nss_mcs = u8_get_bits(eht_nss->bw._80.rx_tx_mcs9_max_nss, IEEE80211_EHT_MCS_NSS_RX) - 1; u8 snd_dim, sts; bf->tx_mode = MT_PHY_TYPE_EHT_MU; mt7996_mcu_sta_sounding_rate(bf); bf->trigger_su = EHT_PHY(CAP3_TRIG_SU_BF_FDBK, pe->phy_cap_info[3]); bf->trigger_mu = EHT_PHY(CAP3_TRIG_MU_BF_PART_BW_FDBK, pe->phy_cap_info[3]); snd_dim = EHT_PHY(CAP2_SOUNDING_DIM_80MHZ_MASK, ve->phy_cap_info[2]); sts = EHT_PHY(CAP0_BEAMFORMEE_SS_80MHZ_MASK, pe->phy_cap_info[0]) + (EHT_PHY(CAP1_BEAMFORMEE_SS_80MHZ_MASK, pe->phy_cap_info[1]) << 1); bf->nrow = min_t(u8, snd_dim, sts); bf->ncol = min_t(u8, nss_mcs, bf->nrow); bf->ibf_ncol = bf->ncol; if (sta->deflink.bandwidth < IEEE80211_STA_RX_BW_160) return; switch (sta->deflink.bandwidth) { case IEEE80211_STA_RX_BW_160: snd_dim = EHT_PHY(CAP2_SOUNDING_DIM_160MHZ_MASK, ve->phy_cap_info[2]); sts = EHT_PHY(CAP1_BEAMFORMEE_SS_160MHZ_MASK, pe->phy_cap_info[1]); nss_mcs = u8_get_bits(eht_nss->bw._160.rx_tx_mcs9_max_nss, IEEE80211_EHT_MCS_NSS_RX) - 1; bf->nrow_gt_bw80 = min_t(u8, snd_dim, sts); bf->ncol_gt_bw80 = nss_mcs; break; case IEEE80211_STA_RX_BW_320: snd_dim = EHT_PHY(CAP2_SOUNDING_DIM_320MHZ_MASK, ve->phy_cap_info[2]) + (EHT_PHY(CAP3_SOUNDING_DIM_320MHZ_MASK, ve->phy_cap_info[3]) << 1); sts = EHT_PHY(CAP1_BEAMFORMEE_SS_320MHZ_MASK, pe->phy_cap_info[1]); nss_mcs = u8_get_bits(eht_nss->bw._320.rx_tx_mcs9_max_nss, IEEE80211_EHT_MCS_NSS_RX) - 1; bf->nrow_gt_bw80 = min_t(u8, snd_dim, sts) << 4; bf->ncol_gt_bw80 = nss_mcs << 4; break; default: break; } } static void mt7996_mcu_sta_bfer_tlv(struct mt7996_dev *dev, struct sk_buff *skb, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; struct mt7996_phy *phy = mvif->phy; int tx_ant = hweight8(phy->mt76->chainmask) - 1; struct sta_rec_bf *bf; struct tlv *tlv; const u8 matrix[4][4] = { {0, 0, 0, 0}, {1, 1, 0, 0}, /* 2x1, 2x2, 2x3, 2x4 */ {2, 4, 4, 0}, /* 3x1, 3x2, 3x3, 3x4 */ {3, 5, 6, 0} /* 4x1, 4x2, 4x3, 4x4 */ }; bool ebf; if (!(sta->deflink.ht_cap.ht_supported || sta->deflink.he_cap.has_he)) return; ebf = mt7996_is_ebf_supported(phy, vif, sta, false); if (!ebf && !dev->ibf) return; tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_BF, sizeof(*bf)); bf = (struct sta_rec_bf *)tlv; /* he/eht: eBF only, in accordance with spec * vht: support eBF and iBF * ht: iBF only, since mac80211 lacks of eBF support */ if (sta->deflink.eht_cap.has_eht && ebf) mt7996_mcu_sta_bfer_eht(sta, vif, phy, bf); else if (sta->deflink.he_cap.has_he && ebf) mt7996_mcu_sta_bfer_he(sta, vif, phy, bf); else if (sta->deflink.vht_cap.vht_supported) mt7996_mcu_sta_bfer_vht(sta, phy, bf, ebf); else if (sta->deflink.ht_cap.ht_supported) mt7996_mcu_sta_bfer_ht(sta, phy, bf); else return; bf->bf_cap = ebf ? ebf : dev->ibf << 1; bf->bw = sta->deflink.bandwidth; bf->ibf_dbw = sta->deflink.bandwidth; bf->ibf_nrow = tx_ant; if (!ebf && sta->deflink.bandwidth <= IEEE80211_STA_RX_BW_40 && !bf->ncol) bf->ibf_timeout = 0x48; else bf->ibf_timeout = 0x18; if (ebf && bf->nrow != tx_ant) bf->mem_20m = matrix[tx_ant][bf->ncol]; else bf->mem_20m = matrix[bf->nrow][bf->ncol]; switch (sta->deflink.bandwidth) { case IEEE80211_STA_RX_BW_160: case IEEE80211_STA_RX_BW_80: bf->mem_total = bf->mem_20m * 2; break; case IEEE80211_STA_RX_BW_40: bf->mem_total = bf->mem_20m; break; case IEEE80211_STA_RX_BW_20: default: break; } } static void mt7996_mcu_sta_bfee_tlv(struct mt7996_dev *dev, struct sk_buff *skb, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; struct mt7996_phy *phy = mvif->phy; int tx_ant = hweight8(phy->mt76->antenna_mask) - 1; struct sta_rec_bfee *bfee; struct tlv *tlv; u8 nrow = 0; if (!(sta->deflink.vht_cap.vht_supported || sta->deflink.he_cap.has_he)) return; if (!mt7996_is_ebf_supported(phy, vif, sta, true)) return; tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_BFEE, sizeof(*bfee)); bfee = (struct sta_rec_bfee *)tlv; if (sta->deflink.he_cap.has_he) { struct ieee80211_he_cap_elem *pe = &sta->deflink.he_cap.he_cap_elem; nrow = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK, pe->phy_cap_info[5]); } else if (sta->deflink.vht_cap.vht_supported) { struct ieee80211_sta_vht_cap *pc = &sta->deflink.vht_cap; nrow = FIELD_GET(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK, pc->cap); } /* reply with identity matrix to avoid 2x2 BF negative gain */ bfee->fb_identity_matrix = (nrow == 1 && tx_ant == 2); } static void mt7996_mcu_sta_phy_tlv(struct mt7996_dev *dev, struct sk_buff *skb, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct sta_rec_phy *phy; struct tlv *tlv; u8 af = 0, mm = 0; if (!sta->deflink.ht_cap.ht_supported && !sta->deflink.he_6ghz_capa.capa) return; tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_PHY, sizeof(*phy)); phy = (struct sta_rec_phy *)tlv; if (sta->deflink.ht_cap.ht_supported) { af = sta->deflink.ht_cap.ampdu_factor; mm = sta->deflink.ht_cap.ampdu_density; } if (sta->deflink.vht_cap.vht_supported) { u8 vht_af = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK, sta->deflink.vht_cap.cap); af = max_t(u8, af, vht_af); } if (sta->deflink.he_6ghz_capa.capa) { af = le16_get_bits(sta->deflink.he_6ghz_capa.capa, IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP); mm = le16_get_bits(sta->deflink.he_6ghz_capa.capa, IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START); } phy->ampdu = FIELD_PREP(IEEE80211_HT_AMPDU_PARM_FACTOR, af) | FIELD_PREP(IEEE80211_HT_AMPDU_PARM_DENSITY, mm); phy->max_ampdu_len = af; } static void mt7996_mcu_sta_hdrt_tlv(struct mt7996_dev *dev, struct sk_buff *skb) { struct sta_rec_hdrt *hdrt; struct tlv *tlv; tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HDRT, sizeof(*hdrt)); hdrt = (struct sta_rec_hdrt *)tlv; hdrt->hdrt_mode = 1; } static void mt7996_mcu_sta_hdr_trans_tlv(struct mt7996_dev *dev, struct sk_buff *skb, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct sta_rec_hdr_trans *hdr_trans; struct mt76_wcid *wcid; struct tlv *tlv; tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HDR_TRANS, sizeof(*hdr_trans)); hdr_trans = (struct sta_rec_hdr_trans *)tlv; hdr_trans->dis_rx_hdr_tran = true; if (vif->type == NL80211_IFTYPE_STATION) hdr_trans->to_ds = true; else hdr_trans->from_ds = true; wcid = (struct mt76_wcid *)sta->drv_priv; if (!wcid) return; hdr_trans->dis_rx_hdr_tran = !test_bit(MT_WCID_FLAG_HDR_TRANS, &wcid->flags); if (test_bit(MT_WCID_FLAG_4ADDR, &wcid->flags)) { hdr_trans->to_ds = true; hdr_trans->from_ds = true; } if (vif->type == NL80211_IFTYPE_MESH_POINT) { hdr_trans->to_ds = true; hdr_trans->from_ds = true; hdr_trans->mesh = true; } } static enum mcu_mmps_mode mt7996_mcu_get_mmps_mode(enum ieee80211_smps_mode smps) { switch (smps) { case IEEE80211_SMPS_OFF: return MCU_MMPS_DISABLE; case IEEE80211_SMPS_STATIC: return MCU_MMPS_STATIC; case IEEE80211_SMPS_DYNAMIC: return MCU_MMPS_DYNAMIC; default: return MCU_MMPS_DISABLE; } } int mt7996_mcu_set_fixed_rate_ctrl(struct mt7996_dev *dev, void *data, u16 version) { struct ra_fixed_rate *req; struct uni_header hdr; struct sk_buff *skb; struct tlv *tlv; int len; len = sizeof(hdr) + sizeof(*req); skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len); if (!skb) return -ENOMEM; skb_put_data(skb, &hdr, sizeof(hdr)); tlv = mt7996_mcu_add_uni_tlv(skb, UNI_RA_FIXED_RATE, sizeof(*req)); req = (struct ra_fixed_rate *)tlv; req->version = cpu_to_le16(version); memcpy(&req->rate, data, sizeof(req->rate)); return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_WM_UNI_CMD(RA), true); } static int mt7996_mcu_set_fixed_field(struct mt7996_dev *dev, struct ieee80211_vif *vif, struct ieee80211_sta *sta, void *data, u32 field) { struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; struct sta_phy *phy = data; struct sta_rec_ra_fixed *ra; struct sk_buff *skb; struct tlv *tlv; skb = __mt76_connac_mcu_alloc_sta_req(&dev->mt76, &mvif->mt76, &msta->wcid, MT7996_STA_UPDATE_MAX_SIZE); if (IS_ERR(skb)) return PTR_ERR(skb); tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_RA_UPDATE, sizeof(*ra)); ra = (struct sta_rec_ra_fixed *)tlv; switch (field) { case RATE_PARAM_AUTO: break; case RATE_PARAM_FIXED: case RATE_PARAM_FIXED_MCS: case RATE_PARAM_FIXED_GI: case RATE_PARAM_FIXED_HE_LTF: if (phy) ra->phy = *phy; break; default: break; } ra->field = cpu_to_le32(field); return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_WMWA_UNI_CMD(STA_REC_UPDATE), true); } static int mt7996_mcu_add_rate_ctrl_fixed(struct mt7996_dev *dev, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; struct cfg80211_chan_def *chandef = &mvif->phy->mt76->chandef; struct cfg80211_bitrate_mask *mask = &mvif->bitrate_mask; enum nl80211_band band = chandef->chan->band; struct sta_phy phy = {}; int ret, nrates = 0; #define __sta_phy_bitrate_mask_check(_mcs, _gi, _ht, _he) \ do { \ u8 i, gi = mask->control[band]._gi; \ gi = (_he) ? gi : gi == NL80211_TXRATE_FORCE_SGI; \ phy.sgi = gi; \ phy.he_ltf = mask->control[band].he_ltf; \ for (i = 0; i < ARRAY_SIZE(mask->control[band]._mcs); i++) { \ if (!mask->control[band]._mcs[i]) \ continue; \ nrates += hweight16(mask->control[band]._mcs[i]); \ phy.mcs = ffs(mask->control[band]._mcs[i]) - 1; \ if (_ht) \ phy.mcs += 8 * i; \ } \ } while (0) if (sta->deflink.he_cap.has_he) { __sta_phy_bitrate_mask_check(he_mcs, he_gi, 0, 1); } else if (sta->deflink.vht_cap.vht_supported) { __sta_phy_bitrate_mask_check(vht_mcs, gi, 0, 0); } else if (sta->deflink.ht_cap.ht_supported) { __sta_phy_bitrate_mask_check(ht_mcs, gi, 1, 0); } else { nrates = hweight32(mask->control[band].legacy); phy.mcs = ffs(mask->control[band].legacy) - 1; } #undef __sta_phy_bitrate_mask_check /* fall back to auto rate control */ if (mask->control[band].gi == NL80211_TXRATE_DEFAULT_GI && mask->control[band].he_gi == GENMASK(7, 0) && mask->control[band].he_ltf == GENMASK(7, 0) && nrates != 1) return 0; /* fixed single rate */ if (nrates == 1) { ret = mt7996_mcu_set_fixed_field(dev, vif, sta, &phy, RATE_PARAM_FIXED_MCS); if (ret) return ret; } /* fixed GI */ if (mask->control[band].gi != NL80211_TXRATE_DEFAULT_GI || mask->control[band].he_gi != GENMASK(7, 0)) { struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; u32 addr; /* firmware updates only TXCMD but doesn't take WTBL into * account, so driver should update here to reflect the * actual txrate hardware sends out. */ addr = mt7996_mac_wtbl_lmac_addr(dev, msta->wcid.idx, 7); if (sta->deflink.he_cap.has_he) mt76_rmw_field(dev, addr, GENMASK(31, 24), phy.sgi); else mt76_rmw_field(dev, addr, GENMASK(15, 12), phy.sgi); ret = mt7996_mcu_set_fixed_field(dev, vif, sta, &phy, RATE_PARAM_FIXED_GI); if (ret) return ret; } /* fixed HE_LTF */ if (mask->control[band].he_ltf != GENMASK(7, 0)) { ret = mt7996_mcu_set_fixed_field(dev, vif, sta, &phy, RATE_PARAM_FIXED_HE_LTF); if (ret) return ret; } return 0; } static void mt7996_mcu_sta_rate_ctrl_tlv(struct sk_buff *skb, struct mt7996_dev *dev, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; struct mt76_phy *mphy = mvif->phy->mt76; struct cfg80211_chan_def *chandef = &mphy->chandef; struct cfg80211_bitrate_mask *mask = &mvif->bitrate_mask; enum nl80211_band band = chandef->chan->band; struct sta_rec_ra *ra; struct tlv *tlv; u32 supp_rate = sta->deflink.supp_rates[band]; u32 cap = sta->wme ? STA_CAP_WMM : 0; tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_RA, sizeof(*ra)); ra = (struct sta_rec_ra *)tlv; ra->valid = true; ra->auto_rate = true; ra->phy_mode = mt76_connac_get_phy_mode(mphy, vif, band, sta); ra->channel = chandef->chan->hw_value; ra->bw = (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_320) ? CMD_CBW_320MHZ : sta->deflink.bandwidth; ra->phy.bw = ra->bw; ra->mmps_mode = mt7996_mcu_get_mmps_mode(sta->deflink.smps_mode); if (supp_rate) { supp_rate &= mask->control[band].legacy; ra->rate_len = hweight32(supp_rate); if (band == NL80211_BAND_2GHZ) { ra->supp_mode = MODE_CCK; ra->supp_cck_rate = supp_rate & GENMASK(3, 0); if (ra->rate_len > 4) { ra->supp_mode |= MODE_OFDM; ra->supp_ofdm_rate = supp_rate >> 4; } } else { ra->supp_mode = MODE_OFDM; ra->supp_ofdm_rate = supp_rate; } } if (sta->deflink.ht_cap.ht_supported) { ra->supp_mode |= MODE_HT; ra->af = sta->deflink.ht_cap.ampdu_factor; ra->ht_gf = !!(sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD); cap |= STA_CAP_HT; if (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_20) cap |= STA_CAP_SGI_20; if (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_40) cap |= STA_CAP_SGI_40; if (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_TX_STBC) cap |= STA_CAP_TX_STBC; if (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_RX_STBC) cap |= STA_CAP_RX_STBC; if (vif->bss_conf.ht_ldpc && (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING)) cap |= STA_CAP_LDPC; mt7996_mcu_set_sta_ht_mcs(sta, ra->ht_mcs, mask->control[band].ht_mcs); ra->supp_ht_mcs = *(__le32 *)ra->ht_mcs; } if (sta->deflink.vht_cap.vht_supported) { u8 af; ra->supp_mode |= MODE_VHT; af = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK, sta->deflink.vht_cap.cap); ra->af = max_t(u8, ra->af, af); cap |= STA_CAP_VHT; if (sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80) cap |= STA_CAP_VHT_SGI_80; if (sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_160) cap |= STA_CAP_VHT_SGI_160; if (sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_TXSTBC) cap |= STA_CAP_VHT_TX_STBC; if (sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_RXSTBC_1) cap |= STA_CAP_VHT_RX_STBC; if (vif->bss_conf.vht_ldpc && (sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC)) cap |= STA_CAP_VHT_LDPC; mt7996_mcu_set_sta_vht_mcs(sta, ra->supp_vht_mcs, mask->control[band].vht_mcs); } if (sta->deflink.he_cap.has_he) { ra->supp_mode |= MODE_HE; cap |= STA_CAP_HE; if (sta->deflink.he_6ghz_capa.capa) ra->af = le16_get_bits(sta->deflink.he_6ghz_capa.capa, IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP); } ra->sta_cap = cpu_to_le32(cap); } int mt7996_mcu_add_rate_ctrl(struct mt7996_dev *dev, struct ieee80211_vif *vif, struct ieee80211_sta *sta, bool changed) { struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; struct sk_buff *skb; int ret; skb = __mt76_connac_mcu_alloc_sta_req(&dev->mt76, &mvif->mt76, &msta->wcid, MT7996_STA_UPDATE_MAX_SIZE); if (IS_ERR(skb)) return PTR_ERR(skb); /* firmware rc algorithm refers to sta_rec_he for HE control. * once dev->rc_work changes the settings driver should also * update sta_rec_he here. */ if (changed) mt7996_mcu_sta_he_tlv(skb, sta); /* sta_rec_ra accommodates BW, NSS and only MCS range format * i.e 0-{7,8,9} for VHT. */ mt7996_mcu_sta_rate_ctrl_tlv(skb, dev, vif, sta); ret = mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_WMWA_UNI_CMD(STA_REC_UPDATE), true); if (ret) return ret; return mt7996_mcu_add_rate_ctrl_fixed(dev, vif, sta); } static int mt7996_mcu_add_group(struct mt7996_dev *dev, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { #define MT_STA_BSS_GROUP 1 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; struct mt7996_sta *msta; struct { u8 __rsv1[4]; __le16 tag; __le16 len; __le16 wlan_idx; u8 __rsv2[2]; __le32 action; __le32 val; u8 __rsv3[8]; } __packed req = { .tag = cpu_to_le16(UNI_VOW_DRR_CTRL), .len = cpu_to_le16(sizeof(req) - 4), .action = cpu_to_le32(MT_STA_BSS_GROUP), .val = cpu_to_le32(mvif->mt76.idx % 16), }; msta = sta ? (struct mt7996_sta *)sta->drv_priv : &mvif->sta; req.wlan_idx = cpu_to_le16(msta->wcid.idx); return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(VOW), &req, sizeof(req), true); } int mt7996_mcu_add_sta(struct mt7996_dev *dev, struct ieee80211_vif *vif, struct ieee80211_sta *sta, bool enable) { struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; struct mt7996_sta *msta; struct sk_buff *skb; int ret; msta = sta ? (struct mt7996_sta *)sta->drv_priv : &mvif->sta; skb = __mt76_connac_mcu_alloc_sta_req(&dev->mt76, &mvif->mt76, &msta->wcid, MT7996_STA_UPDATE_MAX_SIZE); if (IS_ERR(skb)) return PTR_ERR(skb); /* starec basic */ mt76_connac_mcu_sta_basic_tlv(&dev->mt76, skb, vif, sta, enable, !rcu_access_pointer(dev->mt76.wcid[msta->wcid.idx])); if (!enable) goto out; /* tag order is in accordance with firmware dependency. */ if (sta) { /* starec phy */ mt7996_mcu_sta_phy_tlv(dev, skb, vif, sta); /* starec hdrt mode */ mt7996_mcu_sta_hdrt_tlv(dev, skb); /* starec bfer */ mt7996_mcu_sta_bfer_tlv(dev, skb, vif, sta); /* starec ht */ mt7996_mcu_sta_ht_tlv(skb, sta); /* starec vht */ mt7996_mcu_sta_vht_tlv(skb, sta); /* starec uapsd */ mt76_connac_mcu_sta_uapsd(skb, vif, sta); /* starec amsdu */ mt7996_mcu_sta_amsdu_tlv(dev, skb, vif, sta); /* starec he */ mt7996_mcu_sta_he_tlv(skb, sta); /* starec he 6g*/ mt7996_mcu_sta_he_6g_tlv(skb, sta); /* starec eht */ mt7996_mcu_sta_eht_tlv(skb, sta); /* starec muru */ mt7996_mcu_sta_muru_tlv(dev, skb, vif, sta); /* starec bfee */ mt7996_mcu_sta_bfee_tlv(dev, skb, vif, sta); /* starec hdr trans */ mt7996_mcu_sta_hdr_trans_tlv(dev, skb, vif, sta); } ret = mt7996_mcu_add_group(dev, vif, sta); if (ret) { dev_kfree_skb(skb); return ret; } out: return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_WMWA_UNI_CMD(STA_REC_UPDATE), true); } static int mt7996_mcu_sta_key_tlv(struct mt76_wcid *wcid, struct mt76_connac_sta_key_conf *sta_key_conf, struct sk_buff *skb, struct ieee80211_key_conf *key, enum set_key_cmd cmd) { struct sta_rec_sec_uni *sec; struct tlv *tlv; tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_KEY_V2, sizeof(*sec)); sec = (struct sta_rec_sec_uni *)tlv; sec->add = cmd; if (cmd == SET_KEY) { struct sec_key_uni *sec_key; u8 cipher; cipher = mt76_connac_mcu_get_cipher(key->cipher); if (cipher == MCU_CIPHER_NONE) return -EOPNOTSUPP; sec_key = &sec->key[0]; sec_key->cipher_len = sizeof(*sec_key); if (cipher == MCU_CIPHER_BIP_CMAC_128) { sec_key->wlan_idx = cpu_to_le16(wcid->idx); sec_key->cipher_id = MCU_CIPHER_AES_CCMP; sec_key->key_id = sta_key_conf->keyidx; sec_key->key_len = 16; memcpy(sec_key->key, sta_key_conf->key, 16); sec_key = &sec->key[1]; sec_key->wlan_idx = cpu_to_le16(wcid->idx); sec_key->cipher_id = MCU_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->wlan_idx = cpu_to_le16(wcid->idx); 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 == MCU_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 == MCU_CIPHER_AES_CCMP) { memcpy(sta_key_conf->key, key->key, key->keylen); sta_key_conf->keyidx = key->keyidx; } sec->n_cipher = 1; } } else { sec->n_cipher = 0; } return 0; } int mt7996_mcu_add_key(struct mt76_dev *dev, struct ieee80211_vif *vif, struct mt76_connac_sta_key_conf *sta_key_conf, struct ieee80211_key_conf *key, int mcu_cmd, struct mt76_wcid *wcid, enum set_key_cmd cmd) { struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; struct sk_buff *skb; int ret; skb = __mt76_connac_mcu_alloc_sta_req(dev, mvif, wcid, MT7996_STA_UPDATE_MAX_SIZE); if (IS_ERR(skb)) return PTR_ERR(skb); ret = mt7996_mcu_sta_key_tlv(wcid, sta_key_conf, skb, key, cmd); if (ret) return ret; return mt76_mcu_skb_send_msg(dev, skb, mcu_cmd, true); } int mt7996_mcu_add_dev_info(struct mt7996_phy *phy, struct ieee80211_vif *vif, bool enable) { struct mt7996_dev *dev = phy->dev; struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; struct { struct req_hdr { u8 omac_idx; u8 band_idx; u8 __rsv[2]; } __packed hdr; struct req_tlv { __le16 tag; __le16 len; u8 active; u8 __rsv; u8 omac_addr[ETH_ALEN]; } __packed tlv; } data = { .hdr = { .omac_idx = mvif->mt76.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, }, }; if (mvif->mt76.omac_idx >= REPEATER_BSSID_START) return mt7996_mcu_muar_config(phy, vif, false, enable); memcpy(data.tlv.omac_addr, vif->addr, ETH_ALEN); return mt76_mcu_send_msg(&dev->mt76, MCU_WMWA_UNI_CMD(DEV_INFO_UPDATE), &data, sizeof(data), true); } static void mt7996_mcu_beacon_cntdwn(struct ieee80211_vif *vif, struct sk_buff *rskb, struct sk_buff *skb, struct ieee80211_mutable_offsets *offs) { struct bss_bcn_cntdwn_tlv *info; struct tlv *tlv; u16 tag; if (!offs->cntdwn_counter_offs[0]) return; tag = vif->bss_conf.csa_active ? UNI_BSS_INFO_BCN_CSA : UNI_BSS_INFO_BCN_BCC; tlv = mt7996_mcu_add_uni_tlv(rskb, tag, sizeof(*info)); info = (struct bss_bcn_cntdwn_tlv *)tlv; info->cnt = skb->data[offs->cntdwn_counter_offs[0]]; } static void mt7996_mcu_beacon_mbss(struct sk_buff *rskb, struct sk_buff *skb, struct ieee80211_vif *vif, struct bss_bcn_content_tlv *bcn, struct ieee80211_mutable_offsets *offs) { struct bss_bcn_mbss_tlv *mbss; const struct element *elem; struct tlv *tlv; if (!vif->bss_conf.bssid_indicator) return; tlv = mt7996_mcu_add_uni_tlv(rskb, UNI_BSS_INFO_BCN_MBSSID, sizeof(*mbss)); mbss = (struct bss_bcn_mbss_tlv *)tlv; mbss->offset[0] = cpu_to_le16(offs->tim_offset); mbss->bitmap = cpu_to_le32(1); for_each_element_id(elem, WLAN_EID_MULTIPLE_BSSID, &skb->data[offs->mbssid_off], skb->len - offs->mbssid_off) { const struct element *sub_elem; if (elem->datalen < 2) continue; for_each_element(sub_elem, elem->data + 1, elem->datalen - 1) { const struct ieee80211_bssid_index *idx; const u8 *idx_ie; /* not a valid BSS profile */ if (sub_elem->id || sub_elem->datalen < 4) continue; /* Find WLAN_EID_MULTI_BSSID_IDX * in the merged nontransmitted profile */ idx_ie = cfg80211_find_ie(WLAN_EID_MULTI_BSSID_IDX, sub_elem->data, sub_elem->datalen); if (!idx_ie || idx_ie[1] < sizeof(*idx)) continue; idx = (void *)(idx_ie + 2); if (!idx->bssid_index || idx->bssid_index > 31) continue; mbss->offset[idx->bssid_index] = cpu_to_le16(idx_ie - skb->data); mbss->bitmap |= cpu_to_le32(BIT(idx->bssid_index)); } } } static void mt7996_mcu_beacon_cont(struct mt7996_dev *dev, struct ieee80211_vif *vif, struct sk_buff *rskb, struct sk_buff *skb, struct bss_bcn_content_tlv *bcn, struct ieee80211_mutable_offsets *offs) { struct mt76_wcid *wcid = &dev->mt76.global_wcid; u8 *buf; bcn->pkt_len = cpu_to_le16(MT_TXD_SIZE + skb->len); bcn->tim_ie_pos = cpu_to_le16(offs->tim_offset); if (offs->cntdwn_counter_offs[0]) { u16 offset = offs->cntdwn_counter_offs[0]; if (vif->bss_conf.csa_active) bcn->csa_ie_pos = cpu_to_le16(offset - 4); if (vif->bss_conf.color_change_active) bcn->bcc_ie_pos = cpu_to_le16(offset - 3); } buf = (u8 *)bcn + sizeof(*bcn); mt7996_mac_write_txwi(dev, (__le32 *)buf, skb, wcid, NULL, 0, 0, BSS_CHANGED_BEACON); memcpy(buf + MT_TXD_SIZE, skb->data, skb->len); } int mt7996_mcu_add_beacon(struct ieee80211_hw *hw, struct ieee80211_vif *vif, int en) { struct mt7996_dev *dev = mt7996_hw_dev(hw); struct mt7996_phy *phy = mt7996_hw_phy(hw); struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; struct ieee80211_mutable_offsets offs; struct ieee80211_tx_info *info; struct sk_buff *skb, *rskb; struct tlv *tlv; struct bss_bcn_content_tlv *bcn; int len; if (vif->bss_conf.nontransmitted) return 0; rskb = __mt7996_mcu_alloc_bss_req(&dev->mt76, &mvif->mt76, MT7996_MAX_BSS_OFFLOAD_SIZE); if (IS_ERR(rskb)) return PTR_ERR(rskb); skb = ieee80211_beacon_get_template(hw, vif, &offs, 0); if (!skb) { dev_kfree_skb(rskb); return -EINVAL; } if (skb->len > MT7996_MAX_BEACON_SIZE) { dev_err(dev->mt76.dev, "Bcn size limit exceed\n"); dev_kfree_skb(rskb); dev_kfree_skb(skb); return -EINVAL; } info = IEEE80211_SKB_CB(skb); info->hw_queue |= FIELD_PREP(MT_TX_HW_QUEUE_PHY, phy->mt76->band_idx); len = sizeof(*bcn) + MT_TXD_SIZE + skb->len; tlv = mt7996_mcu_add_uni_tlv(rskb, UNI_BSS_INFO_BCN_CONTENT, len); bcn = (struct bss_bcn_content_tlv *)tlv; bcn->enable = en; if (!en) goto out; mt7996_mcu_beacon_cont(dev, vif, rskb, skb, bcn, &offs); mt7996_mcu_beacon_mbss(rskb, skb, vif, bcn, &offs); mt7996_mcu_beacon_cntdwn(vif, rskb, skb, &offs); out: dev_kfree_skb(skb); return mt76_mcu_skb_send_msg(&phy->dev->mt76, rskb, MCU_WMWA_UNI_CMD(BSS_INFO_UPDATE), true); } int mt7996_mcu_beacon_inband_discov(struct mt7996_dev *dev, struct ieee80211_vif *vif, u32 changed) { #define OFFLOAD_TX_MODE_SU BIT(0) #define OFFLOAD_TX_MODE_MU BIT(1) struct ieee80211_hw *hw = mt76_hw(dev); struct mt7996_phy *phy = mt7996_hw_phy(hw); struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; struct cfg80211_chan_def *chandef = &mvif->phy->mt76->chandef; enum nl80211_band band = chandef->chan->band; struct mt76_wcid *wcid = &dev->mt76.global_wcid; struct bss_inband_discovery_tlv *discov; struct ieee80211_tx_info *info; struct sk_buff *rskb, *skb = NULL; struct tlv *tlv; u8 *buf, interval; int len; if (vif->bss_conf.nontransmitted) return 0; rskb = __mt7996_mcu_alloc_bss_req(&dev->mt76, &mvif->mt76, MT7996_MAX_BSS_OFFLOAD_SIZE); if (IS_ERR(rskb)) return PTR_ERR(rskb); if (changed & BSS_CHANGED_FILS_DISCOVERY && vif->bss_conf.fils_discovery.max_interval) { interval = vif->bss_conf.fils_discovery.max_interval; skb = ieee80211_get_fils_discovery_tmpl(hw, vif); } else if (changed & BSS_CHANGED_UNSOL_BCAST_PROBE_RESP && vif->bss_conf.unsol_bcast_probe_resp_interval) { interval = vif->bss_conf.unsol_bcast_probe_resp_interval; skb = ieee80211_get_unsol_bcast_probe_resp_tmpl(hw, vif); } if (!skb) { dev_kfree_skb(rskb); return -EINVAL; } if (skb->len > MT7996_MAX_BEACON_SIZE) { dev_err(dev->mt76.dev, "inband discovery size limit exceed\n"); dev_kfree_skb(rskb); dev_kfree_skb(skb); return -EINVAL; } info = IEEE80211_SKB_CB(skb); info->control.vif = vif; info->band = band; info->hw_queue |= FIELD_PREP(MT_TX_HW_QUEUE_PHY, phy->mt76->band_idx); len = sizeof(*discov) + MT_TXD_SIZE + skb->len; tlv = mt7996_mcu_add_uni_tlv(rskb, UNI_BSS_INFO_OFFLOAD, len); discov = (struct bss_inband_discovery_tlv *)tlv; discov->tx_mode = OFFLOAD_TX_MODE_SU; /* 0: UNSOL PROBE RESP, 1: FILS DISCOV */ discov->tx_type = !!(changed & BSS_CHANGED_FILS_DISCOVERY); discov->tx_interval = interval; discov->prob_rsp_len = cpu_to_le16(MT_TXD_SIZE + skb->len); discov->enable = true; discov->wcid = cpu_to_le16(MT7996_WTBL_RESERVED); buf = (u8 *)tlv + sizeof(*discov); mt7996_mac_write_txwi(dev, (__le32 *)buf, skb, wcid, NULL, 0, 0, changed); memcpy(buf + MT_TXD_SIZE, skb->data, skb->len); dev_kfree_skb(skb); return mt76_mcu_skb_send_msg(&dev->mt76, rskb, MCU_WMWA_UNI_CMD(BSS_INFO_UPDATE), true); } static int mt7996_driver_own(struct mt7996_dev *dev, u8 band) { mt76_wr(dev, MT_TOP_LPCR_HOST_BAND(band), MT_TOP_LPCR_HOST_DRV_OWN); if (!mt76_poll_msec(dev, MT_TOP_LPCR_HOST_BAND(band), MT_TOP_LPCR_HOST_FW_OWN_STAT, 0, 500)) { dev_err(dev->mt76.dev, "Timeout for driver own\n"); return -EIO; } /* clear irq when the driver own success */ mt76_wr(dev, MT_TOP_LPCR_HOST_BAND_IRQ_STAT(band), MT_TOP_LPCR_HOST_BAND_STAT); return 0; } static u32 mt7996_patch_sec_mode(u32 key_info) { u32 sec = u32_get_bits(key_info, MT7996_PATCH_SEC), key = 0; if (key_info == GENMASK(31, 0) || sec == MT7996_SEC_MODE_PLAIN) return 0; if (sec == MT7996_SEC_MODE_AES) key = u32_get_bits(key_info, MT7996_PATCH_AES_KEY); else key = u32_get_bits(key_info, MT7996_PATCH_SCRAMBLE_KEY); return MT7996_SEC_ENCRYPT | MT7996_SEC_IV | u32_encode_bits(key, MT7996_SEC_KEY_IDX); } static int mt7996_load_patch(struct mt7996_dev *dev) { const struct mt7996_patch_hdr *hdr; const struct firmware *fw = NULL; int i, ret, sem; sem = mt76_connac_mcu_patch_sem_ctrl(&dev->mt76, 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, MT7996_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 mt7996_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 mt7996_patch_sec *sec; const u8 *dl; u32 len, addr, sec_key_idx, mode = DL_MODE_NEED_RSP; sec = (struct mt7996_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); sec_key_idx = be32_to_cpu(sec->info.sec_key_idx); dl = fw->data + be32_to_cpu(sec->offs); mode |= mt7996_patch_sec_mode(sec_key_idx); ret = mt76_connac_mcu_init_download(&dev->mt76, addr, len, mode); 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, 4096); if (ret) { dev_err(dev->mt76.dev, "Failed to send patch\n"); goto out; } } ret = mt76_connac_mcu_start_patch(&dev->mt76); if (ret) dev_err(dev->mt76.dev, "Failed to start patch\n"); out: sem = mt76_connac_mcu_patch_sem_ctrl(&dev->mt76, 0); switch (sem) { case PATCH_REL_SEM_SUCCESS: break; default: ret = -EAGAIN; dev_err(dev->mt76.dev, "Failed to release patch semaphore\n"); break; } release_firmware(fw); return ret; } static int mt7996_mcu_send_ram_firmware(struct mt7996_dev *dev, const struct mt7996_fw_trailer *hdr, const u8 *data, enum mt7996_ram_type type) { int i, offset = 0; u32 override = 0, option = 0; for (i = 0; i < hdr->n_region; i++) { const struct mt7996_fw_region *region; int err; u32 len, addr, mode; region = (const struct mt7996_fw_region *)((const u8 *)hdr - (hdr->n_region - i) * sizeof(*region)); /* DSP and WA use same mode */ mode = mt76_connac_mcu_gen_dl_mode(&dev->mt76, region->feature_set, type != MT7996_RAM_TYPE_WM); len = le32_to_cpu(region->len); addr = le32_to_cpu(region->addr); if (region->feature_set & FW_FEATURE_OVERRIDE_ADDR) override = addr; err = mt76_connac_mcu_init_download(&dev->mt76, 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, 4096); if (err) { dev_err(dev->mt76.dev, "Failed to send firmware.\n"); return err; } offset += len; } if (override) option |= FW_START_OVERRIDE; if (type == MT7996_RAM_TYPE_WA) option |= FW_START_WORKING_PDA_CR4; else if (type == MT7996_RAM_TYPE_DSP) option |= FW_START_WORKING_PDA_DSP; return mt76_connac_mcu_start_firmware(&dev->mt76, override, option); } static int __mt7996_load_ram(struct mt7996_dev *dev, const char *fw_type, const char *fw_file, enum mt7996_ram_type ram_type) { const struct mt7996_fw_trailer *hdr; const struct firmware *fw; int ret; ret = request_firmware(&fw, fw_file, 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 void *)(fw->data + fw->size - sizeof(*hdr)); dev_info(dev->mt76.dev, "%s Firmware Version: %.10s, Build Time: %.15s\n", fw_type, hdr->fw_ver, hdr->build_date); ret = mt7996_mcu_send_ram_firmware(dev, hdr, fw->data, ram_type); if (ret) { dev_err(dev->mt76.dev, "Failed to start %s firmware\n", fw_type); 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 mt7996_load_ram(struct mt7996_dev *dev) { int ret; ret = __mt7996_load_ram(dev, "WM", MT7996_FIRMWARE_WM, MT7996_RAM_TYPE_WM); if (ret) return ret; ret = __mt7996_load_ram(dev, "DSP", MT7996_FIRMWARE_DSP, MT7996_RAM_TYPE_DSP); if (ret) return ret; return __mt7996_load_ram(dev, "WA", MT7996_FIRMWARE_WA, MT7996_RAM_TYPE_WA); } static int mt7996_firmware_state(struct mt7996_dev *dev, bool wa) { u32 state = FIELD_PREP(MT_TOP_MISC_FW_STATE, wa ? FW_STATE_RDY : FW_STATE_FW_DOWNLOAD); if (!mt76_poll_msec(dev, MT_TOP_MISC, MT_TOP_MISC_FW_STATE, state, 1000)) { dev_err(dev->mt76.dev, "Timeout for initializing firmware\n"); return -EIO; } return 0; } static int mt7996_mcu_restart(struct mt76_dev *dev) { struct { u8 __rsv1[4]; __le16 tag; __le16 len; u8 power_mode; u8 __rsv2[3]; } __packed req = { .tag = cpu_to_le16(UNI_POWER_OFF), .len = cpu_to_le16(sizeof(req) - 4), .power_mode = 1, }; return mt76_mcu_send_msg(dev, MCU_WM_UNI_CMD(POWER_CTRL), &req, sizeof(req), false); } static int mt7996_load_firmware(struct mt7996_dev *dev) { int ret; /* make sure fw is download state */ if (mt7996_firmware_state(dev, false)) { /* restart firmware once */ mt7996_mcu_restart(&dev->mt76); ret = mt7996_firmware_state(dev, false); if (ret) { dev_err(dev->mt76.dev, "Firmware is not ready for download\n"); return ret; } } ret = mt7996_load_patch(dev); if (ret) return ret; ret = mt7996_load_ram(dev); if (ret) return ret; ret = mt7996_firmware_state(dev, true); if (ret) return ret; mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false); dev_dbg(dev->mt76.dev, "Firmware init done\n"); return 0; } int mt7996_mcu_fw_log_2_host(struct mt7996_dev *dev, u8 type, u8 ctrl) { struct { u8 _rsv[4]; __le16 tag; __le16 len; u8 ctrl; u8 interval; u8 _rsv2[2]; } __packed data = { .tag = cpu_to_le16(UNI_WSYS_CONFIG_FW_LOG_CTRL), .len = cpu_to_le16(sizeof(data) - 4), .ctrl = ctrl, }; if (type == MCU_FW_LOG_WA) return mt76_mcu_send_msg(&dev->mt76, MCU_WA_UNI_CMD(WSYS_CONFIG), &data, sizeof(data), true); return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(WSYS_CONFIG), &data, sizeof(data), true); } int mt7996_mcu_fw_dbg_ctrl(struct mt7996_dev *dev, u32 module, u8 level) { struct { u8 _rsv[4]; __le16 tag; __le16 len; __le32 module_idx; u8 level; u8 _rsv2[3]; } data = { .tag = cpu_to_le16(UNI_WSYS_CONFIG_FW_DBG_CTRL), .len = cpu_to_le16(sizeof(data) - 4), .module_idx = cpu_to_le32(module), .level = level, }; return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(WSYS_CONFIG), &data, sizeof(data), false); } static int mt7996_mcu_set_mwds(struct mt7996_dev *dev, bool enabled) { struct { u8 enable; u8 _rsv[3]; } __packed req = { .enable = enabled }; return mt76_mcu_send_msg(&dev->mt76, MCU_WA_EXT_CMD(MWDS_SUPPORT), &req, sizeof(req), false); } static void mt7996_add_rx_airtime_tlv(struct sk_buff *skb, u8 band_idx) { struct vow_rx_airtime *req; struct tlv *tlv; tlv = mt7996_mcu_add_uni_tlv(skb, UNI_VOW_RX_AT_AIRTIME_CLR_EN, sizeof(*req)); req = (struct vow_rx_airtime *)tlv; req->enable = true; req->band = band_idx; tlv = mt7996_mcu_add_uni_tlv(skb, UNI_VOW_RX_AT_AIRTIME_EN, sizeof(*req)); req = (struct vow_rx_airtime *)tlv; req->enable = true; req->band = band_idx; } static int mt7996_mcu_init_rx_airtime(struct mt7996_dev *dev) { struct uni_header hdr = {}; struct sk_buff *skb; int len, num; num = 2 + 2 * (dev->dbdc_support + dev->tbtc_support); len = sizeof(hdr) + num * sizeof(struct vow_rx_airtime); skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len); if (!skb) return -ENOMEM; skb_put_data(skb, &hdr, sizeof(hdr)); mt7996_add_rx_airtime_tlv(skb, dev->mt76.phy.band_idx); if (dev->dbdc_support) mt7996_add_rx_airtime_tlv(skb, MT_BAND1); if (dev->tbtc_support) mt7996_add_rx_airtime_tlv(skb, MT_BAND2); return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_WM_UNI_CMD(VOW), true); } int mt7996_mcu_init_firmware(struct mt7996_dev *dev) { int ret; /* force firmware operation mode into normal state, * which should be set before firmware download stage. */ mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE); ret = mt7996_driver_own(dev, 0); if (ret) return ret; /* set driver own for band1 when two hif exist */ if (dev->hif2) { ret = mt7996_driver_own(dev, 1); if (ret) return ret; } ret = mt7996_load_firmware(dev); if (ret) return ret; set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); ret = mt7996_mcu_fw_log_2_host(dev, MCU_FW_LOG_WM, 0); if (ret) return ret; ret = mt7996_mcu_fw_log_2_host(dev, MCU_FW_LOG_WA, 0); if (ret) return ret; ret = mt7996_mcu_set_mwds(dev, 1); if (ret) return ret; ret = mt7996_mcu_init_rx_airtime(dev); if (ret) return ret; return mt7996_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(SET), MCU_WA_PARAM_RED, 0, 0); } int mt7996_mcu_init(struct mt7996_dev *dev) { static const struct mt76_mcu_ops mt7996_mcu_ops = { .headroom = sizeof(struct mt76_connac2_mcu_txd), /* reuse */ .mcu_skb_send_msg = mt7996_mcu_send_message, .mcu_parse_response = mt7996_mcu_parse_response, }; dev->mt76.mcu_ops = &mt7996_mcu_ops; return mt7996_mcu_init_firmware(dev); } void mt7996_mcu_exit(struct mt7996_dev *dev) { mt7996_mcu_restart(&dev->mt76); if (mt7996_firmware_state(dev, false)) { dev_err(dev->mt76.dev, "Failed to exit mcu\n"); goto out; } mt76_wr(dev, MT_TOP_LPCR_HOST_BAND(0), MT_TOP_LPCR_HOST_FW_OWN); if (dev->hif2) mt76_wr(dev, MT_TOP_LPCR_HOST_BAND(1), MT_TOP_LPCR_HOST_FW_OWN); out: skb_queue_purge(&dev->mt76.mcu.res_q); } int mt7996_mcu_set_hdr_trans(struct mt7996_dev *dev, bool hdr_trans) { struct { u8 __rsv[4]; } __packed hdr; struct hdr_trans_blacklist *req_blacklist; struct hdr_trans_en *req_en; struct sk_buff *skb; struct tlv *tlv; int len = MT7996_HDR_TRANS_MAX_SIZE + sizeof(hdr); skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len); if (!skb) return -ENOMEM; skb_put_data(skb, &hdr, sizeof(hdr)); tlv = mt7996_mcu_add_uni_tlv(skb, UNI_HDR_TRANS_EN, sizeof(*req_en)); req_en = (struct hdr_trans_en *)tlv; req_en->enable = hdr_trans; tlv = mt7996_mcu_add_uni_tlv(skb, UNI_HDR_TRANS_VLAN, sizeof(struct hdr_trans_vlan)); if (hdr_trans) { tlv = mt7996_mcu_add_uni_tlv(skb, UNI_HDR_TRANS_BLACKLIST, sizeof(*req_blacklist)); req_blacklist = (struct hdr_trans_blacklist *)tlv; req_blacklist->enable = 1; req_blacklist->type = cpu_to_le16(ETH_P_PAE); } return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_WM_UNI_CMD(RX_HDR_TRANS), true); } int mt7996_mcu_set_tx(struct mt7996_dev *dev, struct ieee80211_vif *vif) { #define MCU_EDCA_AC_PARAM 0 #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 (WMM_AIFS_SET | WMM_CW_MIN_SET | \ WMM_CW_MAX_SET | WMM_TXOP_SET) struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; struct { u8 bss_idx; u8 __rsv[3]; } __packed hdr = { .bss_idx = mvif->mt76.idx, }; struct sk_buff *skb; int len = sizeof(hdr) + IEEE80211_NUM_ACS * sizeof(struct edca); int ac; skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len); if (!skb) return -ENOMEM; skb_put_data(skb, &hdr, sizeof(hdr)); for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { struct ieee80211_tx_queue_params *q = &mvif->queue_params[ac]; struct edca *e; struct tlv *tlv; tlv = mt7996_mcu_add_uni_tlv(skb, MCU_EDCA_AC_PARAM, sizeof(*e)); e = (struct edca *)tlv; e->set = WMM_PARAM_SET; e->queue = ac; 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 = fls(q->cw_max); else e->cw_max = 10; } return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_WM_UNI_CMD(EDCA_UPDATE), true); } int mt7996_mcu_set_fcc5_lpn(struct mt7996_dev *dev, int val) { struct { u8 _rsv[4]; __le16 tag; __le16 len; __le32 ctrl; __le16 min_lpn; u8 rsv[2]; } __packed req = { .tag = cpu_to_le16(UNI_RDD_CTRL_SET_TH), .len = cpu_to_le16(sizeof(req) - 4), .ctrl = cpu_to_le32(0x1), .min_lpn = cpu_to_le16(val), }; return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(RDD_CTRL), &req, sizeof(req), true); } int mt7996_mcu_set_pulse_th(struct mt7996_dev *dev, const struct mt7996_dfs_pulse *pulse) { struct { u8 _rsv[4]; __le16 tag; __le16 len; __le32 ctrl; __le32 max_width; /* us */ __le32 max_pwr; /* dbm */ __le32 min_pwr; /* dbm */ __le32 min_stgr_pri; /* us */ __le32 max_stgr_pri; /* us */ __le32 min_cr_pri; /* us */ __le32 max_cr_pri; /* us */ } __packed req = { .tag = cpu_to_le16(UNI_RDD_CTRL_SET_TH), .len = cpu_to_le16(sizeof(req) - 4), .ctrl = cpu_to_le32(0x3), #define __req_field(field) .field = cpu_to_le32(pulse->field) __req_field(max_width), __req_field(max_pwr), __req_field(min_pwr), __req_field(min_stgr_pri), __req_field(max_stgr_pri), __req_field(min_cr_pri), __req_field(max_cr_pri), #undef __req_field }; return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(RDD_CTRL), &req, sizeof(req), true); } int mt7996_mcu_set_radar_th(struct mt7996_dev *dev, int index, const struct mt7996_dfs_pattern *pattern) { struct { u8 _rsv[4]; __le16 tag; __le16 len; __le32 ctrl; __le16 radar_type; u8 enb; u8 stgr; u8 min_crpn; u8 max_crpn; u8 min_crpr; u8 min_pw; __le32 min_pri; __le32 max_pri; u8 max_pw; u8 min_crbn; u8 max_crbn; u8 min_stgpn; u8 max_stgpn; u8 min_stgpr; u8 rsv[2]; __le32 min_stgpr_diff; } __packed req = { .tag = cpu_to_le16(UNI_RDD_CTRL_SET_TH), .len = cpu_to_le16(sizeof(req) - 4), .ctrl = cpu_to_le32(0x2), .radar_type = cpu_to_le16(index), #define __req_field_u8(field) .field = pattern->field #define __req_field_u32(field) .field = cpu_to_le32(pattern->field) __req_field_u8(enb), __req_field_u8(stgr), __req_field_u8(min_crpn), __req_field_u8(max_crpn), __req_field_u8(min_crpr), __req_field_u8(min_pw), __req_field_u32(min_pri), __req_field_u32(max_pri), __req_field_u8(max_pw), __req_field_u8(min_crbn), __req_field_u8(max_crbn), __req_field_u8(min_stgpn), __req_field_u8(max_stgpn), __req_field_u8(min_stgpr), __req_field_u32(min_stgpr_diff), #undef __req_field_u8 #undef __req_field_u32 }; return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(RDD_CTRL), &req, sizeof(req), true); } static int mt7996_mcu_background_chain_ctrl(struct mt7996_phy *phy, struct cfg80211_chan_def *chandef, int cmd) { struct mt7996_dev *dev = phy->dev; struct mt76_phy *mphy = phy->mt76; struct ieee80211_channel *chan = mphy->chandef.chan; int freq = mphy->chandef.center_freq1; struct mt7996_mcu_background_chain_ctrl req = { .tag = cpu_to_le16(0), .len = cpu_to_le16(sizeof(req) - 4), .monitor_scan_type = 2, /* simple rx */ }; if (!chandef && cmd != CH_SWITCH_BACKGROUND_SCAN_STOP) return -EINVAL; if (!cfg80211_chandef_valid(&mphy->chandef)) return -EINVAL; switch (cmd) { case CH_SWITCH_BACKGROUND_SCAN_START: { req.chan = chan->hw_value; req.central_chan = ieee80211_frequency_to_channel(freq); req.bw = mt76_connac_chan_bw(&mphy->chandef); req.monitor_chan = chandef->chan->hw_value; req.monitor_central_chan = ieee80211_frequency_to_channel(chandef->center_freq1); req.monitor_bw = mt76_connac_chan_bw(chandef); req.band_idx = phy->mt76->band_idx; req.scan_mode = 1; break; } case CH_SWITCH_BACKGROUND_SCAN_RUNNING: req.monitor_chan = chandef->chan->hw_value; req.monitor_central_chan = ieee80211_frequency_to_channel(chandef->center_freq1); req.band_idx = phy->mt76->band_idx; req.scan_mode = 2; break; case CH_SWITCH_BACKGROUND_SCAN_STOP: req.chan = chan->hw_value; req.central_chan = ieee80211_frequency_to_channel(freq); req.bw = mt76_connac_chan_bw(&mphy->chandef); req.tx_stream = hweight8(mphy->antenna_mask); req.rx_stream = mphy->antenna_mask; break; default: return -EINVAL; } req.band = chandef ? chandef->chan->band == NL80211_BAND_5GHZ : 1; return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(OFFCH_SCAN_CTRL), &req, sizeof(req), false); } int mt7996_mcu_rdd_background_enable(struct mt7996_phy *phy, struct cfg80211_chan_def *chandef) { struct mt7996_dev *dev = phy->dev; int err, region; if (!chandef) { /* disable offchain */ err = mt7996_mcu_rdd_cmd(dev, RDD_STOP, MT_RX_SEL2, 0, 0); if (err) return err; return mt7996_mcu_background_chain_ctrl(phy, NULL, CH_SWITCH_BACKGROUND_SCAN_STOP); } err = mt7996_mcu_background_chain_ctrl(phy, chandef, CH_SWITCH_BACKGROUND_SCAN_START); if (err) return err; switch (dev->mt76.region) { case NL80211_DFS_ETSI: region = 0; break; case NL80211_DFS_JP: region = 2; break; case NL80211_DFS_FCC: default: region = 1; break; } return mt7996_mcu_rdd_cmd(dev, RDD_START, MT_RX_SEL2, 0, region); } int mt7996_mcu_set_chan_info(struct mt7996_phy *phy, u16 tag) { static const u8 ch_band[] = { [NL80211_BAND_2GHZ] = 0, [NL80211_BAND_5GHZ] = 1, [NL80211_BAND_6GHZ] = 2, }; struct mt7996_dev *dev = phy->dev; struct cfg80211_chan_def *chandef = &phy->mt76->chandef; int freq1 = chandef->center_freq1; u8 band_idx = phy->mt76->band_idx; struct { /* fixed field */ u8 __rsv[4]; __le16 tag; __le16 len; u8 control_ch; u8 center_ch; u8 bw; u8 tx_path_num; u8 rx_path; /* 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[53]; } __packed req = { .tag = cpu_to_le16(tag), .len = cpu_to_le16(sizeof(req) - 4), .control_ch = chandef->chan->hw_value, .center_ch = ieee80211_frequency_to_channel(freq1), .bw = mt76_connac_chan_bw(chandef), .tx_path_num = hweight16(phy->mt76->chainmask), .rx_path = phy->mt76->chainmask >> dev->chainshift[band_idx], .band_idx = band_idx, .channel_band = ch_band[chandef->chan->band], }; if (phy->mt76->hw->conf.flags & IEEE80211_CONF_MONITOR) req.switch_reason = CH_SWITCH_NORMAL; else if (phy->mt76->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL || phy->mt76->hw->conf.flags & IEEE80211_CONF_IDLE) req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD; else if (!cfg80211_reg_can_beacon(phy->mt76->hw->wiphy, chandef, NL80211_IFTYPE_AP)) req.switch_reason = CH_SWITCH_DFS; else req.switch_reason = CH_SWITCH_NORMAL; if (tag == UNI_CHANNEL_SWITCH) req.rx_path = hweight8(req.rx_path); 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, MCU_WMWA_UNI_CMD(CHANNEL_SWITCH), &req, sizeof(req), true); } static int mt7996_mcu_set_eeprom_flash(struct mt7996_dev *dev) { #define MAX_PAGE_IDX_MASK GENMASK(7, 5) #define PAGE_IDX_MASK GENMASK(4, 2) #define PER_PAGE_SIZE 0x400 struct mt7996_mcu_eeprom req = { .tag = cpu_to_le16(UNI_EFUSE_BUFFER_MODE), .buffer_mode = EE_MODE_BUFFER }; u16 eeprom_size = MT7996_EEPROM_SIZE; u8 total = DIV_ROUND_UP(eeprom_size, PER_PAGE_SIZE); u8 *eep = (u8 *)dev->mt76.eeprom.data; int eep_len, i; for (i = 0; i < total; i++, eep += eep_len) { struct sk_buff *skb; int ret, msg_len; if (i == total - 1 && !!(eeprom_size % PER_PAGE_SIZE)) eep_len = eeprom_size % PER_PAGE_SIZE; else eep_len = PER_PAGE_SIZE; msg_len = sizeof(req) + eep_len; skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, msg_len); if (!skb) return -ENOMEM; req.len = cpu_to_le16(msg_len - 4); req.format = FIELD_PREP(MAX_PAGE_IDX_MASK, total - 1) | FIELD_PREP(PAGE_IDX_MASK, i) | EE_FORMAT_WHOLE; req.buf_len = cpu_to_le16(eep_len); skb_put_data(skb, &req, sizeof(req)); skb_put_data(skb, eep, eep_len); ret = mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_WM_UNI_CMD(EFUSE_CTRL), true); if (ret) return ret; } return 0; } int mt7996_mcu_set_eeprom(struct mt7996_dev *dev) { struct mt7996_mcu_eeprom req = { .tag = cpu_to_le16(UNI_EFUSE_BUFFER_MODE), .len = cpu_to_le16(sizeof(req) - 4), .buffer_mode = EE_MODE_EFUSE, .format = EE_FORMAT_WHOLE }; if (dev->flash_mode) return mt7996_mcu_set_eeprom_flash(dev); return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(EFUSE_CTRL), &req, sizeof(req), true); } int mt7996_mcu_get_eeprom(struct mt7996_dev *dev, u32 offset) { struct { u8 _rsv[4]; __le16 tag; __le16 len; __le32 addr; __le32 valid; u8 data[16]; } __packed req = { .tag = cpu_to_le16(UNI_EFUSE_ACCESS), .len = cpu_to_le16(sizeof(req) - 4), .addr = cpu_to_le32(round_down(offset, MT7996_EEPROM_BLOCK_SIZE)), }; struct sk_buff *skb; bool valid; int ret; ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_WM_UNI_CMD_QUERY(EFUSE_CTRL), &req, sizeof(req), true, &skb); if (ret) return ret; valid = le32_to_cpu(*(__le32 *)(skb->data + 16)); if (valid) { u32 addr = le32_to_cpu(*(__le32 *)(skb->data + 12)); u8 *buf = (u8 *)dev->mt76.eeprom.data + addr; skb_pull(skb, 64); memcpy(buf, skb->data, MT7996_EEPROM_BLOCK_SIZE); } dev_kfree_skb(skb); return 0; } int mt7996_mcu_get_eeprom_free_block(struct mt7996_dev *dev, u8 *block_num) { struct { u8 _rsv[4]; __le16 tag; __le16 len; u8 num; u8 version; u8 die_idx; u8 _rsv2; } __packed req = { .tag = cpu_to_le16(UNI_EFUSE_FREE_BLOCK), .len = cpu_to_le16(sizeof(req) - 4), .version = 2, }; struct sk_buff *skb; int ret; ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_WM_UNI_CMD_QUERY(EFUSE_CTRL), &req, sizeof(req), true, &skb); if (ret) return ret; *block_num = *(u8 *)(skb->data + 8); dev_kfree_skb(skb); return 0; } int mt7996_mcu_get_chip_config(struct mt7996_dev *dev, u32 *cap) { #define NIC_CAP 3 #define UNI_EVENT_CHIP_CONFIG_EFUSE_VERSION 0x21 struct { u8 _rsv[4]; __le16 tag; __le16 len; } __packed req = { .tag = cpu_to_le16(NIC_CAP), .len = cpu_to_le16(sizeof(req) - 4), }; struct sk_buff *skb; u8 *buf; int ret; ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_WM_UNI_CMD_QUERY(CHIP_CONFIG), &req, sizeof(req), true, &skb); if (ret) return ret; /* fixed field */ skb_pull(skb, 4); buf = skb->data; while (buf - skb->data < skb->len) { struct tlv *tlv = (struct tlv *)buf; switch (le16_to_cpu(tlv->tag)) { case UNI_EVENT_CHIP_CONFIG_EFUSE_VERSION: *cap = le32_to_cpu(*(__le32 *)(buf + sizeof(*tlv))); break; default: break; } buf += le16_to_cpu(tlv->len); } dev_kfree_skb(skb); return 0; } int mt7996_mcu_get_chan_mib_info(struct mt7996_phy *phy, bool chan_switch) { struct { struct { u8 band; u8 __rsv[3]; } hdr; struct { __le16 tag; __le16 len; __le32 offs; } data[4]; } __packed req = { .hdr.band = phy->mt76->band_idx, }; /* strict order */ static const u32 offs[] = { UNI_MIB_TX_TIME, UNI_MIB_RX_TIME, UNI_MIB_OBSS_AIRTIME, UNI_MIB_NON_WIFI_TIME, }; struct mt76_channel_state *state = phy->mt76->chan_state; struct mt76_channel_state *state_ts = &phy->state_ts; struct mt7996_dev *dev = phy->dev; struct mt7996_mcu_mib *res; struct sk_buff *skb; int i, ret; for (i = 0; i < 4; i++) { req.data[i].tag = cpu_to_le16(UNI_CMD_MIB_DATA); req.data[i].len = cpu_to_le16(sizeof(req.data[i])); req.data[i].offs = cpu_to_le32(offs[i]); } ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_WM_UNI_CMD_QUERY(GET_MIB_INFO), &req, sizeof(req), true, &skb); if (ret) return ret; skb_pull(skb, sizeof(req.hdr)); res = (struct mt7996_mcu_mib *)(skb->data); if (chan_switch) goto out; #define __res_u64(s) le64_to_cpu(res[s].data) state->cc_tx += __res_u64(1) - state_ts->cc_tx; state->cc_bss_rx += __res_u64(2) - state_ts->cc_bss_rx; state->cc_rx += __res_u64(2) + __res_u64(3) - state_ts->cc_rx; state->cc_busy += __res_u64(0) + __res_u64(1) + __res_u64(2) + __res_u64(3) - state_ts->cc_busy; out: state_ts->cc_tx = __res_u64(1); state_ts->cc_bss_rx = __res_u64(2); state_ts->cc_rx = __res_u64(2) + __res_u64(3); state_ts->cc_busy = __res_u64(0) + __res_u64(1) + __res_u64(2) + __res_u64(3); #undef __res_u64 dev_kfree_skb(skb); return 0; } int mt7996_mcu_set_ser(struct mt7996_dev *dev, u8 action, u8 val, u8 band) { struct { u8 rsv[4]; __le16 tag; __le16 len; union { struct { __le32 mask; } __packed set; struct { u8 method; u8 band; u8 rsv2[2]; } __packed trigger; }; } __packed req = { .tag = cpu_to_le16(action), .len = cpu_to_le16(sizeof(req) - 4), }; switch (action) { case UNI_CMD_SER_SET: req.set.mask = cpu_to_le32(val); break; case UNI_CMD_SER_TRIGGER: req.trigger.method = val; req.trigger.band = band; break; default: return -EINVAL; } return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(SER), &req, sizeof(req), false); } int mt7996_mcu_set_txbf(struct mt7996_dev *dev, u8 action) { #define MT7996_BF_MAX_SIZE sizeof(union bf_tag_tlv) #define BF_PROCESSING 4 struct uni_header hdr; struct sk_buff *skb; struct tlv *tlv; int len = sizeof(hdr) + MT7996_BF_MAX_SIZE; memset(&hdr, 0, sizeof(hdr)); skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len); if (!skb) return -ENOMEM; skb_put_data(skb, &hdr, sizeof(hdr)); switch (action) { case BF_SOUNDING_ON: { struct bf_sounding_on *req_snd_on; tlv = mt7996_mcu_add_uni_tlv(skb, action, sizeof(*req_snd_on)); req_snd_on = (struct bf_sounding_on *)tlv; req_snd_on->snd_mode = BF_PROCESSING; break; } case BF_HW_EN_UPDATE: { struct bf_hw_en_status_update *req_hw_en; tlv = mt7996_mcu_add_uni_tlv(skb, action, sizeof(*req_hw_en)); req_hw_en = (struct bf_hw_en_status_update *)tlv; req_hw_en->ebf = true; req_hw_en->ibf = dev->ibf; break; } case BF_MOD_EN_CTRL: { struct bf_mod_en_ctrl *req_mod_en; tlv = mt7996_mcu_add_uni_tlv(skb, action, sizeof(*req_mod_en)); req_mod_en = (struct bf_mod_en_ctrl *)tlv; req_mod_en->bf_num = 3; req_mod_en->bf_bitmap = GENMASK(2, 0); break; } default: return -EINVAL; } return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_WM_UNI_CMD(BF), true); } static int mt7996_mcu_enable_obss_spr(struct mt7996_phy *phy, u16 action, u8 val) { struct mt7996_dev *dev = phy->dev; struct { u8 band_idx; u8 __rsv[3]; __le16 tag; __le16 len; __le32 val; } __packed req = { .band_idx = phy->mt76->band_idx, .tag = cpu_to_le16(action), .len = cpu_to_le16(sizeof(req) - 4), .val = cpu_to_le32(val), }; return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(SR), &req, sizeof(req), true); } static int mt7996_mcu_set_obss_spr_pd(struct mt7996_phy *phy, struct ieee80211_he_obss_pd *he_obss_pd) { struct mt7996_dev *dev = phy->dev; u8 max_th = 82, non_srg_max_th = 62; struct { u8 band_idx; u8 __rsv[3]; __le16 tag; __le16 len; u8 pd_th_non_srg; u8 pd_th_srg; u8 period_offs; u8 rcpi_src; __le16 obss_pd_min; __le16 obss_pd_min_srg; u8 resp_txpwr_mode; u8 txpwr_restrict_mode; u8 txpwr_ref; u8 __rsv2[3]; } __packed req = { .band_idx = phy->mt76->band_idx, .tag = cpu_to_le16(UNI_CMD_SR_SET_PARAM), .len = cpu_to_le16(sizeof(req) - 4), .obss_pd_min = cpu_to_le16(max_th), .obss_pd_min_srg = cpu_to_le16(max_th), .txpwr_restrict_mode = 2, .txpwr_ref = 21 }; int ret; /* disable firmware dynamical PD asjustment */ ret = mt7996_mcu_enable_obss_spr(phy, UNI_CMD_SR_ENABLE_DPD, false); if (ret) return ret; if (he_obss_pd->sr_ctrl & IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED) req.pd_th_non_srg = max_th; else if (he_obss_pd->sr_ctrl & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT) req.pd_th_non_srg = max_th - he_obss_pd->non_srg_max_offset; else req.pd_th_non_srg = non_srg_max_th; if (he_obss_pd->sr_ctrl & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT) req.pd_th_srg = max_th - he_obss_pd->max_offset; return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(SR), &req, sizeof(req), true); } static int mt7996_mcu_set_obss_spr_siga(struct mt7996_phy *phy, struct ieee80211_vif *vif, struct ieee80211_he_obss_pd *he_obss_pd) { struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; struct mt7996_dev *dev = phy->dev; u8 omac = mvif->mt76.omac_idx; struct { u8 band_idx; u8 __rsv[3]; __le16 tag; __le16 len; u8 omac; u8 __rsv2[3]; u8 flag[20]; } __packed req = { .band_idx = phy->mt76->band_idx, .tag = cpu_to_le16(UNI_CMD_SR_SET_SIGA), .len = cpu_to_le16(sizeof(req) - 4), .omac = omac > HW_BSSID_MAX ? omac - 12 : omac, }; int ret; if (he_obss_pd->sr_ctrl & IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED) req.flag[req.omac] = 0xf; else return 0; /* switch to normal AP mode */ ret = mt7996_mcu_enable_obss_spr(phy, UNI_CMD_SR_ENABLE_MODE, 0); if (ret) return ret; return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(SR), &req, sizeof(req), true); } static int mt7996_mcu_set_obss_spr_bitmap(struct mt7996_phy *phy, struct ieee80211_he_obss_pd *he_obss_pd) { struct mt7996_dev *dev = phy->dev; struct { u8 band_idx; u8 __rsv[3]; __le16 tag; __le16 len; __le32 color_l[2]; __le32 color_h[2]; __le32 bssid_l[2]; __le32 bssid_h[2]; } __packed req = { .band_idx = phy->mt76->band_idx, .tag = cpu_to_le16(UNI_CMD_SR_SET_SRG_BITMAP), .len = cpu_to_le16(sizeof(req) - 4), }; u32 bitmap; memcpy(&bitmap, he_obss_pd->bss_color_bitmap, sizeof(bitmap)); req.color_l[req.band_idx] = cpu_to_le32(bitmap); memcpy(&bitmap, he_obss_pd->bss_color_bitmap + 4, sizeof(bitmap)); req.color_h[req.band_idx] = cpu_to_le32(bitmap); memcpy(&bitmap, he_obss_pd->partial_bssid_bitmap, sizeof(bitmap)); req.bssid_l[req.band_idx] = cpu_to_le32(bitmap); memcpy(&bitmap, he_obss_pd->partial_bssid_bitmap + 4, sizeof(bitmap)); req.bssid_h[req.band_idx] = cpu_to_le32(bitmap); return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(SR), &req, sizeof(req), true); } int mt7996_mcu_add_obss_spr(struct mt7996_phy *phy, struct ieee80211_vif *vif, struct ieee80211_he_obss_pd *he_obss_pd) { int ret; /* enable firmware scene detection algorithms */ ret = mt7996_mcu_enable_obss_spr(phy, UNI_CMD_SR_ENABLE_SD, sr_scene_detect); if (ret) return ret; /* firmware dynamically adjusts PD threshold so skip manual control */ if (sr_scene_detect && !he_obss_pd->enable) return 0; /* enable spatial reuse */ ret = mt7996_mcu_enable_obss_spr(phy, UNI_CMD_SR_ENABLE, he_obss_pd->enable); if (ret) return ret; if (sr_scene_detect || !he_obss_pd->enable) return 0; ret = mt7996_mcu_enable_obss_spr(phy, UNI_CMD_SR_ENABLE_TX, true); if (ret) return ret; /* set SRG/non-SRG OBSS PD threshold */ ret = mt7996_mcu_set_obss_spr_pd(phy, he_obss_pd); if (ret) return ret; /* Set SR prohibit */ ret = mt7996_mcu_set_obss_spr_siga(phy, vif, he_obss_pd); if (ret) return ret; /* set SRG BSS color/BSSID bitmap */ return mt7996_mcu_set_obss_spr_bitmap(phy, he_obss_pd); } int mt7996_mcu_update_bss_color(struct mt7996_dev *dev, struct ieee80211_vif *vif, struct cfg80211_he_bss_color *he_bss_color) { int len = sizeof(struct bss_req_hdr) + sizeof(struct bss_color_tlv); struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; struct bss_color_tlv *bss_color; struct sk_buff *skb; struct tlv *tlv; skb = __mt7996_mcu_alloc_bss_req(&dev->mt76, &mvif->mt76, len); if (IS_ERR(skb)) return PTR_ERR(skb); tlv = mt76_connac_mcu_add_tlv(skb, UNI_BSS_INFO_BSS_COLOR, sizeof(*bss_color)); bss_color = (struct bss_color_tlv *)tlv; bss_color->enable = he_bss_color->enabled; bss_color->color = he_bss_color->color; return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_WMWA_UNI_CMD(BSS_INFO_UPDATE), true); } #define TWT_AGRT_TRIGGER BIT(0) #define TWT_AGRT_ANNOUNCE BIT(1) #define TWT_AGRT_PROTECT BIT(2) int mt7996_mcu_twt_agrt_update(struct mt7996_dev *dev, struct mt7996_vif *mvif, struct mt7996_twt_flow *flow, int cmd) { struct { /* fixed field */ u8 bss; u8 _rsv[3]; __le16 tag; __le16 len; u8 tbl_idx; u8 cmd; u8 own_mac_idx; u8 flowid; /* 0xff for group id */ __le16 peer_id; /* specify the peer_id (msb=0) * or group_id (msb=1) */ u8 duration; /* 256 us */ u8 bss_idx; __le64 start_tsf; __le16 mantissa; u8 exponent; u8 is_ap; u8 agrt_params; u8 __rsv2[23]; } __packed req = { .tag = cpu_to_le16(UNI_CMD_TWT_ARGT_UPDATE), .len = cpu_to_le16(sizeof(req) - 4), .tbl_idx = flow->table_id, .cmd = cmd, .own_mac_idx = mvif->mt76.omac_idx, .flowid = flow->id, .peer_id = cpu_to_le16(flow->wcid), .duration = flow->duration, .bss = mvif->mt76.idx, .bss_idx = mvif->mt76.idx, .start_tsf = cpu_to_le64(flow->tsf), .mantissa = flow->mantissa, .exponent = flow->exp, .is_ap = true, }; if (flow->protection) req.agrt_params |= TWT_AGRT_PROTECT; if (!flow->flowtype) req.agrt_params |= TWT_AGRT_ANNOUNCE; if (flow->trigger) req.agrt_params |= TWT_AGRT_TRIGGER; return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(TWT), &req, sizeof(req), true); } int mt7996_mcu_set_rts_thresh(struct mt7996_phy *phy, u32 val) { struct { u8 band_idx; u8 _rsv[3]; __le16 tag; __le16 len; __le32 len_thresh; __le32 pkt_thresh; } __packed req = { .band_idx = phy->mt76->band_idx, .tag = cpu_to_le16(UNI_BAND_CONFIG_RTS_THRESHOLD), .len = cpu_to_le16(sizeof(req) - 4), .len_thresh = cpu_to_le32(val), .pkt_thresh = cpu_to_le32(0x2), }; return mt76_mcu_send_msg(&phy->dev->mt76, MCU_WM_UNI_CMD(BAND_CONFIG), &req, sizeof(req), true); } int mt7996_mcu_set_radio_en(struct mt7996_phy *phy, bool enable) { struct { u8 band_idx; u8 _rsv[3]; __le16 tag; __le16 len; u8 enable; u8 _rsv2[3]; } __packed req = { .band_idx = phy->mt76->band_idx, .tag = cpu_to_le16(UNI_BAND_CONFIG_RADIO_ENABLE), .len = cpu_to_le16(sizeof(req) - 4), .enable = enable, }; return mt76_mcu_send_msg(&phy->dev->mt76, MCU_WM_UNI_CMD(BAND_CONFIG), &req, sizeof(req), true); } int mt7996_mcu_rdd_cmd(struct mt7996_dev *dev, int cmd, u8 index, u8 rx_sel, u8 val) { struct { u8 _rsv[4]; __le16 tag; __le16 len; u8 ctrl; u8 rdd_idx; u8 rdd_rx_sel; u8 val; u8 rsv[4]; } __packed req = { .tag = cpu_to_le16(UNI_RDD_CTRL_PARM), .len = cpu_to_le16(sizeof(req) - 4), .ctrl = cmd, .rdd_idx = index, .rdd_rx_sel = rx_sel, .val = val, }; return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(RDD_CTRL), &req, sizeof(req), true); } int mt7996_mcu_wtbl_update_hdr_trans(struct mt7996_dev *dev, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; struct mt7996_sta *msta; struct sk_buff *skb; msta = sta ? (struct mt7996_sta *)sta->drv_priv : &mvif->sta; skb = __mt76_connac_mcu_alloc_sta_req(&dev->mt76, &mvif->mt76, &msta->wcid, MT7996_STA_UPDATE_MAX_SIZE); if (IS_ERR(skb)) return PTR_ERR(skb); /* starec hdr trans */ mt7996_mcu_sta_hdr_trans_tlv(dev, skb, vif, sta); return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_WMWA_UNI_CMD(STA_REC_UPDATE), true); } int mt7996_mcu_rf_regval(struct mt7996_dev *dev, u32 regidx, u32 *val, bool set) { struct { u8 __rsv1[4]; __le16 tag; __le16 len; __le16 idx; u8 __rsv2[2]; __le32 ofs; __le32 data; } __packed *res, req = { .tag = cpu_to_le16(UNI_CMD_ACCESS_RF_REG_BASIC), .len = cpu_to_le16(sizeof(req) - 4), .idx = cpu_to_le16(u32_get_bits(regidx, GENMASK(31, 24))), .ofs = cpu_to_le32(u32_get_bits(regidx, GENMASK(23, 0))), .data = set ? cpu_to_le32(*val) : 0, }; struct sk_buff *skb; int ret; if (set) return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(REG_ACCESS), &req, sizeof(req), true); ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_WM_UNI_CMD_QUERY(REG_ACCESS), &req, sizeof(req), true, &skb); if (ret) return ret; res = (void *)skb->data; *val = le32_to_cpu(res->data); dev_kfree_skb(skb); return 0; } int mt7996_mcu_trigger_assert(struct mt7996_dev *dev) { struct { __le16 tag; __le16 len; u8 enable; u8 rsv[3]; } __packed req = { .len = cpu_to_le16(sizeof(req) - 4), .enable = true, }; return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(ASSERT_DUMP), &req, sizeof(req), false); } int mt7996_mcu_set_rro(struct mt7996_dev *dev, u16 tag, u8 val) { struct { u8 __rsv1[4]; __le16 tag; __le16 len; union { struct { u8 type; u8 __rsv2[3]; } __packed platform_type; struct { u8 type; u8 dest; u8 __rsv2[2]; } __packed bypass_mode; struct { u8 path; u8 __rsv2[3]; } __packed txfree_path; }; } __packed req = { .tag = cpu_to_le16(tag), .len = cpu_to_le16(sizeof(req) - 4), }; switch (tag) { case UNI_RRO_SET_PLATFORM_TYPE: req.platform_type.type = val; break; case UNI_RRO_SET_BYPASS_MODE: req.bypass_mode.type = val; break; case UNI_RRO_SET_TXFREE_PATH: req.txfree_path.path = val; break; default: return -EINVAL; } return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(RRO), &req, sizeof(req), true); } int mt7996_mcu_get_all_sta_info(struct mt7996_phy *phy, u16 tag) { struct mt7996_dev *dev = phy->dev; struct { u8 _rsv[4]; __le16 tag; __le16 len; } __packed req = { .tag = cpu_to_le16(tag), .len = cpu_to_le16(sizeof(req) - 4), }; return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(ALL_STA_INFO), &req, sizeof(req), false); }
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