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|
// 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"
#define fw_name(_dev, name, ...) ({ \
char *_fw; \
switch (mt76_chip(&(_dev)->mt76)) { \
case 0x7992: \
_fw = MT7992_##name; \
break; \
case 0x7990: \
default: \
_fw = MT7996_##name; \
break; \
} \
_fw; \
})
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, 0);
}
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 (r->band_idx == MT_RX_SEL2 && !dev->rdd2_phy)
return;
if (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, 0);
}
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 int
mt7996_mcu_update_tx_gi(struct rate_info *rate, struct all_sta_trx_rate *mcu_rate)
{
switch (mcu_rate->tx_mode) {
case MT_PHY_TYPE_CCK:
case MT_PHY_TYPE_OFDM:
break;
case MT_PHY_TYPE_HT:
case MT_PHY_TYPE_HT_GF:
case MT_PHY_TYPE_VHT:
if (mcu_rate->tx_gi)
rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
else
rate->flags &= ~RATE_INFO_FLAGS_SHORT_GI;
break;
case MT_PHY_TYPE_HE_SU:
case MT_PHY_TYPE_HE_EXT_SU:
case MT_PHY_TYPE_HE_TB:
case MT_PHY_TYPE_HE_MU:
if (mcu_rate->tx_gi > NL80211_RATE_INFO_HE_GI_3_2)
return -EINVAL;
rate->he_gi = mcu_rate->tx_gi;
break;
case MT_PHY_TYPE_EHT_SU:
case MT_PHY_TYPE_EHT_TRIG:
case MT_PHY_TYPE_EHT_MU:
if (mcu_rate->tx_gi > NL80211_RATE_INFO_EHT_GI_3_2)
return -EINVAL;
rate->eht_gi = mcu_rate->tx_gi;
break;
default:
return -EINVAL;
}
return 0;
}
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_RATE:
wlan_idx = le16_to_cpu(res->rate[i].wlan_idx);
wcid = rcu_dereference(dev->mt76.wcid[wlan_idx]);
if (!wcid)
break;
if (mt7996_mcu_update_tx_gi(&wcid->rate, &res->rate[i]))
dev_err(dev->mt76.dev, "Failed to update TX GI\n");
break;
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_thermal_notify(struct mt7996_dev *dev, struct sk_buff *skb)
{
#define THERMAL_NOTIFY_TAG 0x4
#define THERMAL_NOTIFY 0x2
struct mt76_phy *mphy = &dev->mt76.phy;
struct mt7996_mcu_thermal_notify *n;
struct mt7996_phy *phy;
n = (struct mt7996_mcu_thermal_notify *)skb->data;
if (le16_to_cpu(n->tag) != THERMAL_NOTIFY_TAG)
return;
if (n->event_id != THERMAL_NOTIFY)
return;
if (n->band_idx > MT_BAND2)
return;
mphy = dev->mt76.phys[n->band_idx];
if (!mphy)
return;
phy = (struct mt7996_phy *)mphy->priv;
phy->throttle_state = n->duty_percent;
}
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;
case MCU_UNI_EVENT_THERMAL:
mt7996_mcu_rx_thermal_notify(dev, skb);
break;
default:
break;
}
dev_kfree_skb(skb);
}
static void
mt7996_mcu_wed_rro_event(struct mt7996_dev *dev, struct sk_buff *skb)
{
struct mt7996_mcu_wed_rro_event *event = (void *)skb->data;
if (!dev->has_rro)
return;
skb_pull(skb, sizeof(struct mt7996_mcu_rxd) + 4);
switch (le16_to_cpu(event->tag)) {
case UNI_WED_RRO_BA_SESSION_STATUS: {
struct mt7996_mcu_wed_rro_ba_event *e;
while (skb->len >= sizeof(*e)) {
struct mt76_rx_tid *tid;
struct mt76_wcid *wcid;
u16 idx;
e = (void *)skb->data;
idx = le16_to_cpu(e->wlan_id);
if (idx >= ARRAY_SIZE(dev->mt76.wcid))
break;
wcid = rcu_dereference(dev->mt76.wcid[idx]);
if (!wcid || !wcid->sta)
break;
if (e->tid >= ARRAY_SIZE(wcid->aggr))
break;
tid = rcu_dereference(wcid->aggr[e->tid]);
if (!tid)
break;
tid->id = le16_to_cpu(e->id);
skb_pull(skb, sizeof(*e));
}
break;
}
case UNI_WED_RRO_BA_SESSION_DELETE: {
struct mt7996_mcu_wed_rro_ba_delete_event *e;
while (skb->len >= sizeof(*e)) {
struct mt7996_wed_rro_session_id *session;
e = (void *)skb->data;
session = kzalloc(sizeof(*session), GFP_ATOMIC);
if (!session)
break;
session->id = le16_to_cpu(e->session_id);
spin_lock_bh(&dev->wed_rro.lock);
list_add_tail(&session->list, &dev->wed_rro.poll_list);
spin_unlock_bh(&dev->wed_rro.lock);
ieee80211_queue_work(mt76_hw(dev), &dev->wed_rro.work);
skb_pull(skb, sizeof(*e));
}
break;
}
default:
break;
}
}
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;
case MCU_UNI_EVENT_WED_RRO:
mt7996_mcu_wed_rro_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 = skb_put(skb, len);
ptlv->tag = cpu_to_le16(tag);
ptlv->len = cpu_to_le16(len);
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;
if (!vif->bss_conf.bssid_indicator && enable)
return;
tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_11V_MBSSID, sizeof(*mbssid));
mbssid = (struct bss_info_uni_mbssid *)tlv;
if (enable) {
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 mt7996_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->mt76, 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;
ba->ba_rdd_rro = !tx && enable && dev->has_rro;
return mt76_mcu_skb_send_msg(&dev->mt76, 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, &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, &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 mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
struct ieee80211_vif *vif = container_of((void *)msta->vif,
struct ieee80211_vif, drv_priv);
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 (vif->type != NL80211_IFTYPE_STATION &&
(sta->deflink.he_cap.he_cap_elem.phy_cap_info[0] &
(IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G |
IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G |
IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G |
IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)) == 0) {
memcpy(eht->mcs_map_bw20, &mcs_map->only_20mhz,
sizeof(eht->mcs_map_bw20));
return;
}
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_uni *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_uni *)tlv;
ht->ht_cap = cpu_to_le16(sta->deflink.ht_cap.cap);
ht->ampdu_param = u8_encode_bits(sta->deflink.ht_cap.ampdu_factor,
IEEE80211_HT_AMPDU_PARM_FACTOR) |
u8_encode_bits(sta->deflink.ht_cap.ampdu_density,
IEEE80211_HT_AMPDU_PARM_DENSITY);
}
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_BEAMFORMER, pe->phy_cap_info[0]);
else
return vif->bss_conf.eht_su_beamformer &&
EHT_PHY(CAP0_SU_BEAMFORMEE, 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;
if (!vc)
return;
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 = hweight16(phy->mt76->chainmask) - 1;
struct sta_rec_bf *bf;
struct tlv *tlv;
static 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_tx_proc_tlv(struct sk_buff *skb)
{
struct sta_rec_tx_proc *tx_proc;
struct tlv *tlv;
tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_TX_PROC, sizeof(*tx_proc));
tx_proc = (struct sta_rec_tx_proc *)tlv;
tx_proc->flag = cpu_to_le32(0);
}
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;
if (!sta)
return;
wcid = (struct mt76_wcid *)sta->drv_priv;
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);
}
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_uni *phy = data;
struct sta_rec_ra_fixed_uni *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_uni *)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;
case RATE_PARAM_MMPS_UPDATE:
ra->mmps_mode = mt7996_mcu_get_mmps_mode(sta->deflink.smps_mode);
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_uni 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)
{
#define INIT_RCPI 180
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_uni *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_uni *)tlv;
ra->valid = true;
ra->auto_rate = true;
ra->phy_mode = mt76_connac_get_phy_mode(mphy, vif, band, &sta->deflink);
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);
memset(ra->rx_rcpi, INIT_RCPI, sizeof(ra->rx_rcpi));
}
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, bool newly)
{
struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
struct ieee80211_link_sta *link_sta;
struct mt7996_sta *msta;
struct sk_buff *skb;
int ret;
msta = sta ? (struct mt7996_sta *)sta->drv_priv : &mvif->sta;
link_sta = sta ? &sta->deflink : NULL;
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, link_sta,
enable, newly);
if (!enable)
goto out;
/* starec hdr trans */
mt7996_mcu_sta_hdr_trans_tlv(dev, skb, vif, sta);
/* starec tx proc */
mt7996_mcu_sta_tx_proc_tlv(skb);
/* tag order is in accordance with firmware dependency. */
if (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);
}
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 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->wlan_idx = cpu_to_le16(wcid->idx);
sec_key->mgmt_prot = 0;
sec_key->cipher_id = cipher;
sec_key->cipher_len = sizeof(*sec_key);
sec_key->key_id = key->keyidx;
sec_key->key_len = key->keylen;
sec_key->need_resp = 0;
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);
}
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 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, skb, key, cmd);
if (ret)
return ret;
return mt76_mcu_skb_send_msg(dev, skb, mcu_cmd, true);
}
static int mt7996_mcu_get_pn(struct mt7996_dev *dev, struct ieee80211_vif *vif,
u8 *pn)
{
#define TSC_TYPE_BIGTK_PN 2
struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
struct sta_rec_pn_info *pn_info;
struct sk_buff *skb, *rskb;
struct tlv *tlv;
int ret;
skb = mt76_connac_mcu_alloc_sta_req(&dev->mt76, &mvif->mt76, &mvif->sta.wcid);
if (IS_ERR(skb))
return PTR_ERR(skb);
tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_PN_INFO, sizeof(*pn_info));
pn_info = (struct sta_rec_pn_info *)tlv;
pn_info->tsc_type = TSC_TYPE_BIGTK_PN;
ret = mt76_mcu_skb_send_and_get_msg(&dev->mt76, skb,
MCU_WM_UNI_CMD_QUERY(STA_REC_UPDATE),
true, &rskb);
if (ret)
return ret;
skb_pull(rskb, 4);
pn_info = (struct sta_rec_pn_info *)rskb->data;
if (le16_to_cpu(pn_info->tag) == STA_REC_PN_INFO)
memcpy(pn, pn_info->pn, 6);
dev_kfree_skb(rskb);
return 0;
}
int mt7996_mcu_bcn_prot_enable(struct mt7996_dev *dev, struct ieee80211_vif *vif,
struct ieee80211_key_conf *key)
{
struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
struct mt7996_mcu_bcn_prot_tlv *bcn_prot;
struct sk_buff *skb;
struct tlv *tlv;
u8 pn[6] = {};
int len = sizeof(struct bss_req_hdr) +
sizeof(struct mt7996_mcu_bcn_prot_tlv);
int ret;
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_BCN_PROT, sizeof(*bcn_prot));
bcn_prot = (struct mt7996_mcu_bcn_prot_tlv *)tlv;
ret = mt7996_mcu_get_pn(dev, vif, pn);
if (ret) {
dev_kfree_skb(skb);
return ret;
}
switch (key->cipher) {
case WLAN_CIPHER_SUITE_AES_CMAC:
bcn_prot->cipher_id = MCU_CIPHER_BCN_PROT_CMAC_128;
break;
case WLAN_CIPHER_SUITE_BIP_GMAC_128:
bcn_prot->cipher_id = MCU_CIPHER_BCN_PROT_GMAC_128;
break;
case WLAN_CIPHER_SUITE_BIP_GMAC_256:
bcn_prot->cipher_id = MCU_CIPHER_BCN_PROT_GMAC_256;
break;
case WLAN_CIPHER_SUITE_BIP_CMAC_256:
default:
dev_err(dev->mt76.dev, "Not supported Bigtk Cipher\n");
dev_kfree_skb(skb);
return -EOPNOTSUPP;
}
pn[0]++;
memcpy(bcn_prot->pn, pn, 6);
bcn_prot->enable = BP_SW_MODE;
memcpy(bcn_prot->key, key->key, WLAN_MAX_KEY_LEN);
bcn_prot->key_id = key->keyidx;
return mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_WMWA_UNI_CMD(BSS_INFO_UPDATE), 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 = ALIGN(sizeof(*bcn) + MT_TXD_SIZE + skb->len, 4);
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 = ALIGN(sizeof(*discov) + MT_TXD_SIZE + skb->len, 4);
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, fw_name(dev, 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", fw_name(dev, FIRMWARE_WM),
MT7996_RAM_TYPE_WM);
if (ret)
return ret;
ret = __mt7996_load_ram(dev, "DSP", fw_name(dev, FIRMWARE_DSP),
MT7996_RAM_TYPE_DSP);
if (ret)
return ret;
return __mt7996_load_ram(dev, "WA", fw_name(dev, 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, i;
num = 2 + 2 * (mt7996_band_valid(dev, MT_BAND1) +
mt7996_band_valid(dev, MT_BAND2));
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));
for (i = 0; i < __MT_MAX_BAND; i++) {
if (mt7996_band_valid(dev, i))
mt7996_add_rx_airtime_tlv(skb, i);
}
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 = mt7996_rx_chainmask(phy) >> 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, 48);
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_get_temperature(struct mt7996_phy *phy)
{
#define TEMPERATURE_QUERY 0
#define GET_TEMPERATURE 0
struct {
u8 _rsv[4];
__le16 tag;
__le16 len;
u8 rsv1;
u8 action;
u8 band_idx;
u8 rsv2;
} req = {
.tag = cpu_to_le16(TEMPERATURE_QUERY),
.len = cpu_to_le16(sizeof(req) - 4),
.action = GET_TEMPERATURE,
.band_idx = phy->mt76->band_idx,
};
struct mt7996_mcu_thermal {
u8 _rsv[4];
__le16 tag;
__le16 len;
__le32 rsv;
__le32 temperature;
} __packed * res;
struct sk_buff *skb;
int ret;
u32 temp;
ret = mt76_mcu_send_and_get_msg(&phy->dev->mt76, MCU_WM_UNI_CMD(THERMAL),
&req, sizeof(req), true, &skb);
if (ret)
return ret;
res = (void *)skb->data;
temp = le32_to_cpu(res->temperature);
dev_kfree_skb(skb);
return temp;
}
int mt7996_mcu_set_thermal_throttling(struct mt7996_phy *phy, u8 state)
{
struct {
u8 _rsv[4];
__le16 tag;
__le16 len;
struct mt7996_mcu_thermal_ctrl ctrl;
} __packed req = {
.tag = cpu_to_le16(UNI_CMD_THERMAL_PROTECT_DUTY_CONFIG),
.len = cpu_to_le16(sizeof(req) - 4),
.ctrl = {
.band_idx = phy->mt76->band_idx,
},
};
int level, ret;
/* set duty cycle and level */
for (level = 0; level < 4; level++) {
req.ctrl.duty.duty_level = level;
req.ctrl.duty.duty_cycle = state;
state /= 2;
ret = mt76_mcu_send_msg(&phy->dev->mt76, MCU_WM_UNI_CMD(THERMAL),
&req, sizeof(req), false);
if (ret)
return ret;
}
return 0;
}
int mt7996_mcu_set_thermal_protect(struct mt7996_phy *phy, bool enable)
{
#define SUSTAIN_PERIOD 10
struct {
u8 _rsv[4];
__le16 tag;
__le16 len;
struct mt7996_mcu_thermal_ctrl ctrl;
struct mt7996_mcu_thermal_enable enable;
} __packed req = {
.len = cpu_to_le16(sizeof(req) - 4 - sizeof(req.enable)),
.ctrl = {
.band_idx = phy->mt76->band_idx,
.type.protect_type = 1,
.type.trigger_type = 1,
},
};
int ret;
req.tag = cpu_to_le16(UNI_CMD_THERMAL_PROTECT_DISABLE);
ret = mt76_mcu_send_msg(&phy->dev->mt76, MCU_WM_UNI_CMD(THERMAL),
&req, sizeof(req) - sizeof(req.enable), false);
if (ret || !enable)
return ret;
/* set high-temperature trigger threshold */
req.tag = cpu_to_le16(UNI_CMD_THERMAL_PROTECT_ENABLE);
req.enable.restore_temp = cpu_to_le32(phy->throttle_temp[0]);
req.enable.trigger_temp = cpu_to_le32(phy->throttle_temp[1]);
req.enable.sustain_time = cpu_to_le16(SUSTAIN_PERIOD);
req.len = cpu_to_le16(sizeof(req) - 4);
return mt76_mcu_send_msg(&phy->dev->mt76, MCU_WM_UNI_CMD(THERMAL),
&req, sizeof(req), false);
}
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 = mt7996_band_valid(dev, MT_BAND2) ? 3 : 2;
req_mod_en->bf_bitmap = mt7996_band_valid(dev, MT_BAND2) ?
GENMASK(2, 0) : GENMASK(1, 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_set_fixed_rate_table(struct mt7996_phy *phy, u8 table_idx,
u16 rate_idx, bool beacon)
{
#define UNI_FIXED_RATE_TABLE_SET 0
#define SPE_IXD_SELECT_TXD 0
#define SPE_IXD_SELECT_BMC_WTBL 1
struct mt7996_dev *dev = phy->dev;
struct fixed_rate_table_ctrl req = {
.tag = cpu_to_le16(UNI_FIXED_RATE_TABLE_SET),
.len = cpu_to_le16(sizeof(req) - 4),
.table_idx = table_idx,
.rate_idx = cpu_to_le16(rate_idx),
.gi = 1,
.he_ltf = 1,
};
u8 band_idx = phy->mt76->band_idx;
if (beacon) {
req.spe_idx_sel = SPE_IXD_SELECT_TXD;
req.spe_idx = 24 + band_idx;
phy->beacon_rate = rate_idx;
} else {
req.spe_idx_sel = SPE_IXD_SELECT_BMC_WTBL;
}
return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(FIXED_RATE_TABLE),
&req, sizeof(req), false);
}
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, u16 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;
struct {
__le16 flush_one;
__le16 flush_all;
u8 __rsv2[4];
} __packed timeout;
};
} __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;
case UNI_RRO_SET_FLUSH_TIMEOUT:
req.timeout.flush_one = cpu_to_le16(val);
req.timeout.flush_all = cpu_to_le16(2 * 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);
}
int mt7996_mcu_wed_rro_reset_sessions(struct mt7996_dev *dev, u16 id)
{
struct {
u8 __rsv[4];
__le16 tag;
__le16 len;
__le16 session_id;
u8 pad[4];
} __packed req = {
.tag = cpu_to_le16(UNI_RRO_DEL_BA_SESSION),
.len = cpu_to_le16(sizeof(req) - 4),
.session_id = cpu_to_le16(id),
};
return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(RRO), &req,
sizeof(req), true);
}
int mt7996_mcu_set_txpower_sku(struct mt7996_phy *phy)
{
#define TX_POWER_LIMIT_TABLE_RATE 0
struct mt7996_dev *dev = phy->dev;
struct mt76_phy *mphy = phy->mt76;
struct ieee80211_hw *hw = mphy->hw;
struct tx_power_limit_table_ctrl {
u8 __rsv1[4];
__le16 tag;
__le16 len;
u8 power_ctrl_id;
u8 power_limit_type;
u8 band_idx;
} __packed req = {
.tag = cpu_to_le16(UNI_TXPOWER_POWER_LIMIT_TABLE_CTRL),
.len = cpu_to_le16(sizeof(req) + MT7996_SKU_PATH_NUM - 4),
.power_ctrl_id = UNI_TXPOWER_POWER_LIMIT_TABLE_CTRL,
.power_limit_type = TX_POWER_LIMIT_TABLE_RATE,
.band_idx = phy->mt76->band_idx,
};
struct mt76_power_limits la = {};
struct sk_buff *skb;
int i, tx_power;
tx_power = mt7996_get_power_bound(phy, hw->conf.power_level);
tx_power = mt76_get_rate_power_limits(mphy, mphy->chandef.chan,
&la, tx_power);
mphy->txpower_cur = tx_power;
skb = mt76_mcu_msg_alloc(&dev->mt76, NULL,
sizeof(req) + MT7996_SKU_PATH_NUM);
if (!skb)
return -ENOMEM;
skb_put_data(skb, &req, sizeof(req));
/* cck and ofdm */
skb_put_data(skb, &la.cck, sizeof(la.cck));
skb_put_data(skb, &la.ofdm, sizeof(la.ofdm));
/* ht20 */
skb_put_data(skb, &la.mcs[0], 8);
/* ht40 */
skb_put_data(skb, &la.mcs[1], 9);
/* vht */
for (i = 0; i < 4; i++) {
skb_put_data(skb, &la.mcs[i], sizeof(la.mcs[i]));
skb_put_zero(skb, 2); /* padding */
}
/* he */
skb_put_data(skb, &la.ru[0], sizeof(la.ru));
/* eht */
skb_put_data(skb, &la.eht[0], sizeof(la.eht));
/* padding */
skb_put_zero(skb, MT7996_SKU_PATH_NUM - MT7996_SKU_RATE_NUM);
return mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_WM_UNI_CMD(TXPOWER), true);
}
int mt7996_mcu_cp_support(struct mt7996_dev *dev, u8 mode)
{
__le32 cp_mode;
if (mode < mt76_connac_lmac_mapping(IEEE80211_AC_BE) ||
mode > mt76_connac_lmac_mapping(IEEE80211_AC_VO))
return -EINVAL;
cp_mode = cpu_to_le32(mode);
return mt76_mcu_send_msg(&dev->mt76, MCU_WA_EXT_CMD(CP_SUPPORT),
&cp_mode, sizeof(cp_mode), true);
}
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