diff options
author | Lorenzo Bianconi <lorenzo@kernel.org> | 2021-01-26 12:13:52 +0100 |
---|---|---|
committer | Felix Fietkau <nbd@nbd.name> | 2021-01-29 15:18:25 +0100 |
commit | d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8 (patch) | |
tree | 260963673fd22e42d867206254f651529a8de8fe /drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c | |
parent | 85d96704535d2ad85711aba22bb0a5f0a8c7c8f3 (diff) | |
download | linux-stable-d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8.tar.gz linux-stable-d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8.tar.bz2 linux-stable-d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8.zip |
mt76: mt76_connac: create mcu library
Introduce mt76_connac common mcu library for code sharing between mt7615 and
mt7921 devices
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c | 986 |
1 files changed, 986 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c new file mode 100644 index 000000000000..c48ccda6935d --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c @@ -0,0 +1,986 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2020 MediaTek Inc. */ + +#include "mt76_connac_mcu.h" + +int mt76_connac_mcu_start_firmware(struct mt76_dev *dev, u32 addr, u32 option) +{ + struct { + __le32 option; + __le32 addr; + } req = { + .option = cpu_to_le32(option), + .addr = cpu_to_le32(addr), + }; + + return mt76_mcu_send_msg(dev, MCU_CMD_FW_START_REQ, &req, sizeof(req), + true); +} +EXPORT_SYMBOL_GPL(mt76_connac_mcu_start_firmware); + +int mt76_connac_mcu_patch_sem_ctrl(struct mt76_dev *dev, bool get) +{ + u32 op = get ? PATCH_SEM_GET : PATCH_SEM_RELEASE; + struct { + __le32 op; + } req = { + .op = cpu_to_le32(op), + }; + + return mt76_mcu_send_msg(dev, MCU_CMD_PATCH_SEM_CONTROL, &req, + sizeof(req), true); +} +EXPORT_SYMBOL_GPL(mt76_connac_mcu_patch_sem_ctrl); + +int mt76_connac_mcu_start_patch(struct mt76_dev *dev) +{ + struct { + u8 check_crc; + u8 reserved[3]; + } req = { + .check_crc = 0, + }; + + return mt76_mcu_send_msg(dev, MCU_CMD_PATCH_FINISH_REQ, &req, + sizeof(req), true); +} +EXPORT_SYMBOL_GPL(mt76_connac_mcu_start_patch); + +#define MCU_PATCH_ADDRESS 0x200000 + +int mt76_connac_mcu_init_download(struct mt76_dev *dev, u32 addr, u32 len, + u32 mode) +{ + struct { + __le32 addr; + __le32 len; + __le32 mode; + } req = { + .addr = cpu_to_le32(addr), + .len = cpu_to_le32(len), + .mode = cpu_to_le32(mode), + }; + + return mt76_mcu_send_msg(dev, MCU_CMD_TARGET_ADDRESS_LEN_REQ, &req, + sizeof(req), true); +} +EXPORT_SYMBOL_GPL(mt76_connac_mcu_init_download); + +int mt76_connac_mcu_set_channel_domain(struct mt76_phy *phy) +{ + struct mt76_dev *dev = phy->dev; + struct mt76_connac_mcu_channel_domain { + u8 alpha2[4]; /* regulatory_request.alpha2 */ + u8 bw_2g; /* BW_20_40M 0 + * BW_20M 1 + * BW_20_40_80M 2 + * BW_20_40_80_160M 3 + * BW_20_40_80_8080M 4 + */ + u8 bw_5g; + __le16 pad; + u8 n_2ch; + u8 n_5ch; + __le16 pad2; + } __packed hdr = { + .bw_2g = 0, + .bw_5g = 3, + }; + struct mt76_connac_mcu_chan { + __le16 hw_value; + __le16 pad; + __le32 flags; + } __packed channel; + int len, i, n_max_channels, n_2ch = 0, n_5ch = 0; + struct ieee80211_channel *chan; + struct sk_buff *skb; + + n_max_channels = phy->sband_2g.sband.n_channels + + phy->sband_5g.sband.n_channels; + len = sizeof(hdr) + n_max_channels * sizeof(channel); + + skb = mt76_mcu_msg_alloc(dev, NULL, len); + if (!skb) + return -ENOMEM; + + skb_reserve(skb, sizeof(hdr)); + + for (i = 0; i < phy->sband_2g.sband.n_channels; i++) { + chan = &phy->sband_2g.sband.channels[i]; + if (chan->flags & IEEE80211_CHAN_DISABLED) + continue; + + channel.hw_value = cpu_to_le16(chan->hw_value); + channel.flags = cpu_to_le32(chan->flags); + channel.pad = 0; + + skb_put_data(skb, &channel, sizeof(channel)); + n_2ch++; + } + for (i = 0; i < phy->sband_5g.sband.n_channels; i++) { + chan = &phy->sband_5g.sband.channels[i]; + if (chan->flags & IEEE80211_CHAN_DISABLED) + continue; + + channel.hw_value = cpu_to_le16(chan->hw_value); + channel.flags = cpu_to_le32(chan->flags); + channel.pad = 0; + + skb_put_data(skb, &channel, sizeof(channel)); + n_5ch++; + } + + BUILD_BUG_ON(sizeof(dev->alpha2) > sizeof(hdr.alpha2)); + memcpy(hdr.alpha2, dev->alpha2, sizeof(dev->alpha2)); + hdr.n_2ch = n_2ch; + hdr.n_5ch = n_5ch; + + memcpy(__skb_push(skb, sizeof(hdr)), &hdr, sizeof(hdr)); + + return mt76_mcu_skb_send_msg(dev, skb, MCU_CMD_SET_CHAN_DOMAIN, false); +} +EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_channel_domain); + +int mt76_connac_mcu_set_mac_enable(struct mt76_dev *dev, int band, bool enable, + bool hdr_trans) +{ + struct { + u8 enable; + u8 band; + u8 rsv[2]; + } __packed req_mac = { + .enable = enable, + .band = band, + }; + + return mt76_mcu_send_msg(dev, MCU_EXT_CMD_MAC_INIT_CTRL, &req_mac, + sizeof(req_mac), true); +} +EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_mac_enable); + +int mt76_connac_mcu_set_vif_ps(struct mt76_dev *dev, struct ieee80211_vif *vif) +{ + struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; + struct { + u8 bss_idx; + u8 ps_state; /* 0: device awake + * 1: static power save + * 2: dynamic power saving + */ + } req = { + .bss_idx = mvif->idx, + .ps_state = vif->bss_conf.ps ? 2 : 0, + }; + + if (vif->type != NL80211_IFTYPE_STATION) + return -EOPNOTSUPP; + + return mt76_mcu_send_msg(dev, MCU_CMD_SET_PS_PROFILE, &req, + sizeof(req), false); +} +EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_vif_ps); + +int mt76_connac_mcu_set_rts_thresh(struct mt76_dev *dev, u32 val, u8 band) +{ + struct { + u8 prot_idx; + u8 band; + u8 rsv[2]; + __le32 len_thresh; + __le32 pkt_thresh; + } __packed req = { + .prot_idx = 1, + .band = band, + .len_thresh = cpu_to_le32(val), + .pkt_thresh = cpu_to_le32(0x2), + }; + + return mt76_mcu_send_msg(dev, MCU_EXT_CMD_PROTECT_CTRL, &req, + sizeof(req), true); +} +EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_rts_thresh); + +void mt76_connac_mcu_beacon_loss_iter(void *priv, u8 *mac, + struct ieee80211_vif *vif) +{ + struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; + struct mt76_connac_beacon_loss_event *event = priv; + + if (mvif->idx != event->bss_idx) + return; + + if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) + return; + + ieee80211_beacon_loss(vif); +} +EXPORT_SYMBOL_GPL(mt76_connac_mcu_beacon_loss_iter); + +struct tlv * +mt76_connac_mcu_add_nested_tlv(struct sk_buff *skb, int tag, int len, + void *sta_ntlv, void *sta_wtbl) +{ + struct sta_ntlv_hdr *ntlv_hdr = sta_ntlv; + struct tlv *sta_hdr = sta_wtbl; + struct tlv *ptlv, tlv = { + .tag = cpu_to_le16(tag), + .len = cpu_to_le16(len), + }; + u16 ntlv; + + ptlv = skb_put(skb, len); + memcpy(ptlv, &tlv, sizeof(tlv)); + + ntlv = le16_to_cpu(ntlv_hdr->tlv_num); + ntlv_hdr->tlv_num = cpu_to_le16(ntlv + 1); + + if (sta_hdr) { + u16 size = le16_to_cpu(sta_hdr->len); + + sta_hdr->len = cpu_to_le16(size + len); + } + + return ptlv; +} +EXPORT_SYMBOL_GPL(mt76_connac_mcu_add_nested_tlv); + +struct sk_buff * +mt76_connac_mcu_alloc_sta_req(struct mt76_dev *dev, struct mt76_vif *mvif, + struct mt76_wcid *wcid) +{ + struct sta_req_hdr hdr = { + .bss_idx = mvif->idx, + .muar_idx = wcid ? mvif->omac_idx : 0, + .wlan_idx_lo = wcid ? wcid->idx : 0, + .is_tlv_append = 1, + }; + struct sk_buff *skb; + + skb = mt76_mcu_msg_alloc(dev, NULL, MT76_CONNAC_STA_UPDATE_MAX_SIZE); + if (!skb) + return ERR_PTR(-ENOMEM); + + skb_put_data(skb, &hdr, sizeof(hdr)); + + return skb; +} +EXPORT_SYMBOL_GPL(mt76_connac_mcu_alloc_sta_req); + +struct wtbl_req_hdr * +mt76_connac_mcu_alloc_wtbl_req(struct mt76_dev *dev, struct mt76_wcid *wcid, + int cmd, void *sta_wtbl, struct sk_buff **skb) +{ + struct tlv *sta_hdr = sta_wtbl; + struct wtbl_req_hdr hdr = { + .wlan_idx_lo = wcid ? wcid->idx : 0, + .operation = cmd, + }; + struct sk_buff *nskb = *skb; + + if (!nskb) { + nskb = mt76_mcu_msg_alloc(dev, NULL, + MT76_CONNAC_WTBL_UPDATE_BA_SIZE); + if (!nskb) + return ERR_PTR(-ENOMEM); + + *skb = nskb; + } + + if (sta_hdr) + sta_hdr->len = cpu_to_le16(sizeof(hdr)); + + return skb_put_data(nskb, &hdr, sizeof(hdr)); +} +EXPORT_SYMBOL_GPL(mt76_connac_mcu_alloc_wtbl_req); + +void mt76_connac_mcu_sta_basic_tlv(struct sk_buff *skb, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + bool enable) +{ + struct sta_rec_basic *basic; + struct tlv *tlv; + int conn_type; + + tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_BASIC, sizeof(*basic)); + + basic = (struct sta_rec_basic *)tlv; + basic->extra_info = cpu_to_le16(EXTRA_INFO_VER); + + if (enable) { + basic->extra_info |= cpu_to_le16(EXTRA_INFO_NEW); + basic->conn_state = CONN_STATE_PORT_SECURE; + } else { + basic->conn_state = CONN_STATE_DISCONNECT; + } + + if (!sta) { + basic->conn_type = cpu_to_le32(CONNECTION_INFRA_BC); + eth_broadcast_addr(basic->peer_addr); + return; + } + + switch (vif->type) { + case NL80211_IFTYPE_MESH_POINT: + case NL80211_IFTYPE_AP: + if (vif->p2p) + conn_type = CONNECTION_P2P_GC; + else + conn_type = CONNECTION_INFRA_STA; + basic->conn_type = cpu_to_le32(conn_type); + basic->aid = cpu_to_le16(sta->aid); + break; + case NL80211_IFTYPE_STATION: + if (vif->p2p) + conn_type = CONNECTION_P2P_GO; + else + conn_type = CONNECTION_INFRA_AP; + basic->conn_type = cpu_to_le32(conn_type); + basic->aid = cpu_to_le16(vif->bss_conf.aid); + break; + case NL80211_IFTYPE_ADHOC: + basic->conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC); + basic->aid = cpu_to_le16(sta->aid); + break; + default: + WARN_ON(1); + break; + } + + memcpy(basic->peer_addr, sta->addr, ETH_ALEN); + basic->qos = sta->wme; +} +EXPORT_SYMBOL_GPL(mt76_connac_mcu_sta_basic_tlv); + +static void +mt76_connac_mcu_sta_uapsd(struct sk_buff *skb, struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct sta_rec_uapsd *uapsd; + struct tlv *tlv; + + if (vif->type != NL80211_IFTYPE_AP || !sta->wme) + return; + + tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_APPS, sizeof(*uapsd)); + uapsd = (struct sta_rec_uapsd *)tlv; + + if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) { + uapsd->dac_map |= BIT(3); + uapsd->tac_map |= BIT(3); + } + if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI) { + uapsd->dac_map |= BIT(2); + uapsd->tac_map |= BIT(2); + } + if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE) { + uapsd->dac_map |= BIT(1); + uapsd->tac_map |= BIT(1); + } + if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK) { + uapsd->dac_map |= BIT(0); + uapsd->tac_map |= BIT(0); + } + uapsd->max_sp = sta->max_sp; +} + +void mt76_connac_mcu_wtbl_generic_tlv(struct mt76_dev *dev, + struct sk_buff *skb, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + void *sta_wtbl, void *wtbl_tlv) +{ + struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; + struct wtbl_generic *generic; + struct wtbl_rx *rx; + struct wtbl_spe *spe; + struct tlv *tlv; + + tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_GENERIC, + sizeof(*generic), + wtbl_tlv, sta_wtbl); + + generic = (struct wtbl_generic *)tlv; + + if (sta) { + if (vif->type == NL80211_IFTYPE_STATION) + generic->partial_aid = cpu_to_le16(vif->bss_conf.aid); + else + generic->partial_aid = cpu_to_le16(sta->aid); + memcpy(generic->peer_addr, sta->addr, ETH_ALEN); + generic->muar_idx = mvif->omac_idx; + generic->qos = sta->wme; + } else { + eth_broadcast_addr(generic->peer_addr); + generic->muar_idx = 0xe; + } + + tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_RX, sizeof(*rx), + wtbl_tlv, sta_wtbl); + + rx = (struct wtbl_rx *)tlv; + rx->rca1 = sta ? vif->type != NL80211_IFTYPE_AP : 1; + rx->rca2 = 1; + rx->rv = 1; + + tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_SPE, sizeof(*spe), + wtbl_tlv, sta_wtbl); + spe = (struct wtbl_spe *)tlv; + spe->spe_idx = 24; +} +EXPORT_SYMBOL_GPL(mt76_connac_mcu_wtbl_generic_tlv); + +void mt76_connac_mcu_sta_tlv(struct mt76_phy *mphy, struct sk_buff *skb, + struct ieee80211_sta *sta, + struct ieee80211_vif *vif) +{ + struct tlv *tlv; + + /* starec ht */ + if (sta->ht_cap.ht_supported) { + struct sta_rec_ht *ht; + + 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->ht_cap.cap); + } + + /* starec vht */ + if (sta->vht_cap.vht_supported) { + struct sta_rec_vht *vht; + + tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_VHT, + sizeof(*vht) - 4); + vht = (struct sta_rec_vht *)tlv; + vht->vht_cap = cpu_to_le32(sta->vht_cap.cap); + vht->vht_rx_mcs_map = sta->vht_cap.vht_mcs.rx_mcs_map; + vht->vht_tx_mcs_map = sta->vht_cap.vht_mcs.tx_mcs_map; + } + + /* starec uapsd */ + mt76_connac_mcu_sta_uapsd(skb, vif, sta); +} +EXPORT_SYMBOL_GPL(mt76_connac_mcu_sta_tlv); + +static void +mt76_connac_mcu_wtbl_smps_tlv(struct sk_buff *skb, struct ieee80211_sta *sta, + void *sta_wtbl, void *wtbl_tlv) +{ + struct wtbl_smps *smps; + struct tlv *tlv; + + tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_SMPS, sizeof(*smps), + wtbl_tlv, sta_wtbl); + smps = (struct wtbl_smps *)tlv; + + if (sta->smps_mode == IEEE80211_SMPS_DYNAMIC) + smps->smps = true; +} + +void mt76_connac_mcu_wtbl_ht_tlv(struct mt76_dev *dev, struct sk_buff *skb, + struct ieee80211_sta *sta, void *sta_wtbl, + void *wtbl_tlv) +{ + struct wtbl_ht *ht = NULL; + struct tlv *tlv; + u32 flags = 0; + + if (sta->ht_cap.ht_supported) { + tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_HT, sizeof(*ht), + wtbl_tlv, sta_wtbl); + ht = (struct wtbl_ht *)tlv; + ht->ldpc = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING); + ht->af = sta->ht_cap.ampdu_factor; + ht->mm = sta->ht_cap.ampdu_density; + ht->ht = true; + } + + if (sta->vht_cap.vht_supported) { + struct wtbl_vht *vht; + u8 af; + + tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_VHT, + sizeof(*vht), wtbl_tlv, + sta_wtbl); + vht = (struct wtbl_vht *)tlv; + vht->ldpc = !!(sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC); + vht->vht = true; + + af = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK, + sta->vht_cap.cap); + if (ht) + ht->af = max(ht->af, af); + } + + mt76_connac_mcu_wtbl_smps_tlv(skb, sta, sta_wtbl, wtbl_tlv); + + if (sta->ht_cap.ht_supported) { + /* sgi */ + u32 msk = MT_WTBL_W5_SHORT_GI_20 | MT_WTBL_W5_SHORT_GI_40 | + MT_WTBL_W5_SHORT_GI_80 | MT_WTBL_W5_SHORT_GI_160; + struct wtbl_raw *raw; + + tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_RAW_DATA, + sizeof(*raw), wtbl_tlv, + sta_wtbl); + + if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20) + flags |= MT_WTBL_W5_SHORT_GI_20; + if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40) + flags |= MT_WTBL_W5_SHORT_GI_40; + + if (sta->vht_cap.vht_supported) { + if (sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80) + flags |= MT_WTBL_W5_SHORT_GI_80; + if (sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_160) + flags |= MT_WTBL_W5_SHORT_GI_160; + } + raw = (struct wtbl_raw *)tlv; + raw->val = cpu_to_le32(flags); + raw->msk = cpu_to_le32(~msk); + raw->wtbl_idx = 1; + raw->dw = 5; + } +} +EXPORT_SYMBOL_GPL(mt76_connac_mcu_wtbl_ht_tlv); + +int mt76_connac_mcu_add_sta_cmd(struct mt76_phy *phy, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct mt76_wcid *wcid, + bool enable, int cmd) +{ + struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; + struct mt76_dev *dev = phy->dev; + struct wtbl_req_hdr *wtbl_hdr; + struct tlv *sta_wtbl; + struct sk_buff *skb; + + skb = mt76_connac_mcu_alloc_sta_req(dev, mvif, wcid); + if (IS_ERR(skb)) + return PTR_ERR(skb); + + mt76_connac_mcu_sta_basic_tlv(skb, vif, sta, enable); + if (enable && sta) + mt76_connac_mcu_sta_tlv(phy, skb, sta, vif); + + sta_wtbl = mt76_connac_mcu_add_tlv(skb, STA_REC_WTBL, + sizeof(struct tlv)); + + wtbl_hdr = mt76_connac_mcu_alloc_wtbl_req(dev, wcid, + WTBL_RESET_AND_SET, + sta_wtbl, &skb); + if (enable) { + mt76_connac_mcu_wtbl_generic_tlv(dev, skb, vif, sta, sta_wtbl, + wtbl_hdr); + if (sta) + mt76_connac_mcu_wtbl_ht_tlv(dev, skb, sta, sta_wtbl, + wtbl_hdr); + } + + return mt76_mcu_skb_send_msg(dev, skb, cmd, true); +} +EXPORT_SYMBOL_GPL(mt76_connac_mcu_add_sta_cmd); + +void mt76_connac_mcu_wtbl_ba_tlv(struct mt76_dev *dev, struct sk_buff *skb, + struct ieee80211_ampdu_params *params, + bool enable, bool tx, void *sta_wtbl, + void *wtbl_tlv) +{ + struct wtbl_ba *ba; + struct tlv *tlv; + + tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_BA, sizeof(*ba), + wtbl_tlv, sta_wtbl); + + ba = (struct wtbl_ba *)tlv; + ba->tid = params->tid; + + if (tx) { + ba->ba_type = MT_BA_TYPE_ORIGINATOR; + ba->sn = enable ? cpu_to_le16(params->ssn) : 0; + ba->ba_winsize = enable ? cpu_to_le16(params->buf_size) : 0; + ba->ba_en = enable; + } else { + memcpy(ba->peer_addr, params->sta->addr, ETH_ALEN); + ba->ba_type = MT_BA_TYPE_RECIPIENT; + ba->rst_ba_tid = params->tid; + ba->rst_ba_sel = RST_BA_MAC_TID_MATCH; + ba->rst_ba_sb = 1; + } + + if (enable && tx) { + u8 ba_range[] = { 4, 8, 12, 24, 36, 48, 54, 64 }; + int i; + + for (i = 7; i > 0; i--) { + if (params->buf_size >= ba_range[i]) + break; + } + ba->ba_winsize_idx = i; + } +} +EXPORT_SYMBOL_GPL(mt76_connac_mcu_wtbl_ba_tlv); + +int mt76_connac_mcu_uni_add_dev(struct mt76_phy *phy, + struct ieee80211_vif *vif, + struct mt76_wcid *wcid, + bool enable) +{ + struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; + struct mt76_dev *dev = phy->dev; + struct { + struct { + u8 omac_idx; + u8 band_idx; + __le16 pad; + } __packed hdr; + struct req_tlv { + __le16 tag; + __le16 len; + u8 active; + u8 pad; + u8 omac_addr[ETH_ALEN]; + } __packed tlv; + } dev_req = { + .hdr = { + .omac_idx = mvif->omac_idx, + .band_idx = mvif->band_idx, + }, + .tlv = { + .tag = cpu_to_le16(DEV_INFO_ACTIVE), + .len = cpu_to_le16(sizeof(struct req_tlv)), + .active = enable, + }, + }; + struct { + struct { + u8 bss_idx; + u8 pad[3]; + } __packed hdr; + struct mt76_connac_bss_basic_tlv basic; + } basic_req = { + .hdr = { + .bss_idx = mvif->idx, + }, + .basic = { + .tag = cpu_to_le16(UNI_BSS_INFO_BASIC), + .len = cpu_to_le16(sizeof(struct mt76_connac_bss_basic_tlv)), + .omac_idx = mvif->omac_idx, + .band_idx = mvif->band_idx, + .wmm_idx = mvif->wmm_idx, + .active = enable, + .bmc_tx_wlan_idx = cpu_to_le16(wcid->idx), + .sta_idx = cpu_to_le16(wcid->idx), + .conn_state = 1, + }, + }; + int err, idx, cmd, len; + void *data; + + switch (vif->type) { + case NL80211_IFTYPE_MESH_POINT: + case NL80211_IFTYPE_AP: + basic_req.basic.conn_type = cpu_to_le32(CONNECTION_INFRA_AP); + break; + case NL80211_IFTYPE_STATION: + basic_req.basic.conn_type = cpu_to_le32(CONNECTION_INFRA_STA); + break; + case NL80211_IFTYPE_ADHOC: + basic_req.basic.conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC); + break; + default: + WARN_ON(1); + break; + } + + idx = mvif->omac_idx > EXT_BSSID_START ? HW_BSSID_0 : mvif->omac_idx; + basic_req.basic.hw_bss_idx = idx; + + memcpy(dev_req.tlv.omac_addr, vif->addr, ETH_ALEN); + + cmd = enable ? MCU_UNI_CMD_DEV_INFO_UPDATE : MCU_UNI_CMD_BSS_INFO_UPDATE; + data = enable ? (void *)&dev_req : (void *)&basic_req; + len = enable ? sizeof(dev_req) : sizeof(basic_req); + + err = mt76_mcu_send_msg(dev, cmd, data, len, true); + if (err < 0) + return err; + + cmd = enable ? MCU_UNI_CMD_BSS_INFO_UPDATE : MCU_UNI_CMD_DEV_INFO_UPDATE; + data = enable ? (void *)&basic_req : (void *)&dev_req; + len = enable ? sizeof(basic_req) : sizeof(dev_req); + + return mt76_mcu_send_msg(dev, cmd, data, len, true); +} +EXPORT_SYMBOL_GPL(mt76_connac_mcu_uni_add_dev); + +void mt76_connac_mcu_sta_ba_tlv(struct sk_buff *skb, + struct ieee80211_ampdu_params *params, + bool enable, bool tx) +{ + struct sta_rec_ba *ba; + struct tlv *tlv; + + tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_BA, sizeof(*ba)); + + ba = (struct sta_rec_ba *)tlv; + ba->ba_type = tx ? MT_BA_TYPE_ORIGINATOR : MT_BA_TYPE_RECIPIENT; + ba->winsize = cpu_to_le16(params->buf_size); + ba->ssn = cpu_to_le16(params->ssn); + ba->ba_en = enable << params->tid; + ba->amsdu = params->amsdu; + ba->tid = params->tid; +} +EXPORT_SYMBOL_GPL(mt76_connac_mcu_sta_ba_tlv); + +int mt76_connac_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 wtbl_req_hdr *wtbl_hdr; + struct tlv *sta_wtbl; + struct sk_buff *skb; + int ret; + + skb = mt76_connac_mcu_alloc_sta_req(dev, mvif, wcid); + if (IS_ERR(skb)) + return PTR_ERR(skb); + + sta_wtbl = mt76_connac_mcu_add_tlv(skb, STA_REC_WTBL, + sizeof(struct tlv)); + + wtbl_hdr = mt76_connac_mcu_alloc_wtbl_req(dev, wcid, WTBL_SET, + sta_wtbl, &skb); + if (IS_ERR(wtbl_hdr)) + return PTR_ERR(wtbl_hdr); + + mt76_connac_mcu_wtbl_ba_tlv(dev, skb, params, enable, tx, sta_wtbl, + wtbl_hdr); + + ret = mt76_mcu_skb_send_msg(dev, skb, MCU_UNI_CMD_STA_REC_UPDATE, true); + if (ret) + return ret; + + skb = mt76_connac_mcu_alloc_sta_req(dev, mvif, wcid); + if (IS_ERR(skb)) + return PTR_ERR(skb); + + mt76_connac_mcu_sta_ba_tlv(skb, params, enable, tx); + + return mt76_mcu_skb_send_msg(dev, skb, MCU_UNI_CMD_STA_REC_UPDATE, + true); +} +EXPORT_SYMBOL_GPL(mt76_connac_mcu_sta_ba); + +static const struct ieee80211_sta_he_cap * +mt76_connac_get_he_phy_cap(struct mt76_phy *phy, struct ieee80211_vif *vif) +{ + enum nl80211_band band = phy->chandef.chan->band; + struct ieee80211_supported_band *sband; + + sband = phy->hw->wiphy->bands[band]; + + return ieee80211_get_he_iftype_cap(sband, vif->type); +} + +#define DEFAULT_HE_PE_DURATION 4 +#define DEFAULT_HE_DURATION_RTS_THRES 1023 +static void +mt76_connac_mcu_uni_bss_he_tlv(struct mt76_phy *phy, struct ieee80211_vif *vif, + struct tlv *tlv) +{ + const struct ieee80211_sta_he_cap *cap; + struct bss_info_uni_he *he; + + cap = mt76_connac_get_he_phy_cap(phy, vif); + + he = (struct bss_info_uni_he *)tlv; + he->he_pe_duration = vif->bss_conf.htc_trig_based_pkt_ext; + if (!he->he_pe_duration) + he->he_pe_duration = DEFAULT_HE_PE_DURATION; + + he->he_rts_thres = cpu_to_le16(vif->bss_conf.frame_time_rts_th); + if (!he->he_rts_thres) + he->he_rts_thres = cpu_to_le16(DEFAULT_HE_DURATION_RTS_THRES); + + he->max_nss_mcs[CMD_HE_MCS_BW80] = cap->he_mcs_nss_supp.tx_mcs_80; + he->max_nss_mcs[CMD_HE_MCS_BW160] = cap->he_mcs_nss_supp.tx_mcs_160; + he->max_nss_mcs[CMD_HE_MCS_BW8080] = cap->he_mcs_nss_supp.tx_mcs_80p80; +} + +int mt76_connac_mcu_uni_add_bss(struct mt76_phy *phy, + struct ieee80211_vif *vif, + struct mt76_wcid *wcid, + bool enable) +{ + struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; + struct cfg80211_chan_def *chandef = &phy->chandef; + int freq1 = chandef->center_freq1, freq2 = chandef->center_freq2; + struct mt76_dev *mdev = phy->dev; + struct { + struct { + u8 bss_idx; + u8 pad[3]; + } __packed hdr; + struct mt76_connac_bss_basic_tlv basic; + struct mt76_connac_bss_qos_tlv qos; + } basic_req = { + .hdr = { + .bss_idx = mvif->idx, + }, + .basic = { + .tag = cpu_to_le16(UNI_BSS_INFO_BASIC), + .len = cpu_to_le16(sizeof(struct mt76_connac_bss_basic_tlv)), + .bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int), + .dtim_period = vif->bss_conf.dtim_period, + .omac_idx = mvif->omac_idx, + .band_idx = mvif->band_idx, + .wmm_idx = mvif->wmm_idx, + .active = true, /* keep bss deactivated */ + .phymode = 0x38, + }, + .qos = { + .tag = cpu_to_le16(UNI_BSS_INFO_QBSS), + .len = cpu_to_le16(sizeof(struct mt76_connac_bss_qos_tlv)), + .qos = vif->bss_conf.qos, + }, + }; + struct { + struct { + u8 bss_idx; + u8 pad[3]; + } __packed hdr; + struct rlm_tlv { + __le16 tag; + __le16 len; + u8 control_channel; + u8 center_chan; + u8 center_chan2; + u8 bw; + u8 tx_streams; + u8 rx_streams; + u8 short_st; + u8 ht_op_info; + u8 sco; + u8 pad[3]; + } __packed rlm; + } __packed rlm_req = { + .hdr = { + .bss_idx = mvif->idx, + }, + .rlm = { + .tag = cpu_to_le16(UNI_BSS_INFO_RLM), + .len = cpu_to_le16(sizeof(struct rlm_tlv)), + .control_channel = chandef->chan->hw_value, + .center_chan = ieee80211_frequency_to_channel(freq1), + .center_chan2 = ieee80211_frequency_to_channel(freq2), + .tx_streams = hweight8(phy->antenna_mask), + .rx_streams = phy->chainmask, + .short_st = true, + }, + }; + int err, conn_type; + u8 idx; + + idx = mvif->omac_idx > EXT_BSSID_START ? HW_BSSID_0 : mvif->omac_idx; + basic_req.basic.hw_bss_idx = idx; + + switch (vif->type) { + case NL80211_IFTYPE_MESH_POINT: + case NL80211_IFTYPE_AP: + if (vif->p2p) + conn_type = CONNECTION_P2P_GO; + else + conn_type = CONNECTION_INFRA_AP; + basic_req.basic.conn_type = cpu_to_le32(conn_type); + break; + case NL80211_IFTYPE_STATION: + if (vif->p2p) + conn_type = CONNECTION_P2P_GC; + else + conn_type = CONNECTION_INFRA_STA; + basic_req.basic.conn_type = cpu_to_le32(conn_type); + break; + case NL80211_IFTYPE_ADHOC: + basic_req.basic.conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC); + break; + default: + WARN_ON(1); + break; + } + + memcpy(basic_req.basic.bssid, vif->bss_conf.bssid, ETH_ALEN); + basic_req.basic.bmc_tx_wlan_idx = cpu_to_le16(wcid->idx); + basic_req.basic.sta_idx = cpu_to_le16(wcid->idx); + basic_req.basic.conn_state = !enable; + + err = mt76_mcu_send_msg(mdev, MCU_UNI_CMD_BSS_INFO_UPDATE, &basic_req, + sizeof(basic_req), true); + if (err < 0) + return err; + + if (vif->bss_conf.he_support) { + struct { + struct { + u8 bss_idx; + u8 pad[3]; + } __packed hdr; + struct bss_info_uni_he he; + } he_req = { + .hdr = { + .bss_idx = mvif->idx, + }, + .he = { + .tag = cpu_to_le16(UNI_BSS_INFO_HE_BASIC), + .len = cpu_to_le16(sizeof(struct bss_info_uni_he)), + }, + }; + + mt76_connac_mcu_uni_bss_he_tlv(phy, vif, + (struct tlv *)&he_req.he); + err = mt76_mcu_send_msg(mdev, MCU_UNI_CMD_BSS_INFO_UPDATE, + &he_req, sizeof(he_req), true); + if (err < 0) + return err; + } + + switch (chandef->width) { + case NL80211_CHAN_WIDTH_40: + rlm_req.rlm.bw = CMD_CBW_40MHZ; + break; + case NL80211_CHAN_WIDTH_80: + rlm_req.rlm.bw = CMD_CBW_80MHZ; + break; + case NL80211_CHAN_WIDTH_80P80: + rlm_req.rlm.bw = CMD_CBW_8080MHZ; + break; + case NL80211_CHAN_WIDTH_160: + rlm_req.rlm.bw = CMD_CBW_160MHZ; + break; + case NL80211_CHAN_WIDTH_5: + rlm_req.rlm.bw = CMD_CBW_5MHZ; + break; + case NL80211_CHAN_WIDTH_10: + rlm_req.rlm.bw = CMD_CBW_10MHZ; + break; + case NL80211_CHAN_WIDTH_20_NOHT: + case NL80211_CHAN_WIDTH_20: + default: + rlm_req.rlm.bw = CMD_CBW_20MHZ; + break; + } + + if (rlm_req.rlm.control_channel < rlm_req.rlm.center_chan) + rlm_req.rlm.sco = 1; /* SCA */ + else if (rlm_req.rlm.control_channel > rlm_req.rlm.center_chan) + rlm_req.rlm.sco = 3; /* SCB */ + + return mt76_mcu_send_msg(mdev, MCU_UNI_CMD_BSS_INFO_UPDATE, &rlm_req, + sizeof(rlm_req), true); +} +EXPORT_SYMBOL_GPL(mt76_connac_mcu_uni_add_bss); + +MODULE_AUTHOR("Lorenzo Bianconi <lorenzo@kernel.org>"); +MODULE_LICENSE("Dual BSD/GPL"); |