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android-kvm / linux / e54fd0716c3db20c0cba73fee2c3a4274b08c24e / . / drivers / net / wireless / mediatek / mt76 / mt7915 / mcu.c
blob: 5fdd1a6d32ee1273d84b602ae9d253b908294b65 [file] [log] [blame]
// SPDX-License-Identifier: ISC
/* Copyright (C) 2020 MediaTek Inc. */
#include <linux/firmware.h>
#include <linux/fs.h>
#include "mt7915.h"
#include "mcu.h"
#include "mac.h"
#include "eeprom.h"
struct mt7915_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 mt7915_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 mt7915_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 mt7915_fw_region {
__le32 decomp_crc;
__le32 decomp_len;
__le32 decomp_blk_sz;
u8 reserved[4];
__le32 addr;
__le32 len;
u8 feature_set;
u8 reserved1[15];
} __packed;
#define MCU_PATCH_ADDRESS 0x200000
#define MT_STA_BFER BIT(0)
#define MT_STA_BFEE BIT(1)
#define FW_FEATURE_SET_ENCRYPT BIT(0)
#define FW_FEATURE_SET_KEY_IDX GENMASK(2, 1)
#define FW_FEATURE_OVERRIDE_ADDR BIT(5)
#define DL_MODE_ENCRYPT BIT(0)
#define DL_MODE_KEY_IDX GENMASK(2, 1)
#define DL_MODE_RESET_SEC_IV BIT(3)
#define DL_MODE_WORKING_PDA_CR4 BIT(4)
#define DL_MODE_NEED_RSP BIT(31)
#define FW_START_OVERRIDE BIT(0)
#define FW_START_WORKING_PDA_CR4 BIT(2)
#define PATCH_SEC_TYPE_MASK GENMASK(15, 0)
#define PATCH_SEC_TYPE_INFO 0x2
#define to_wcid_lo(id) FIELD_GET(GENMASK(7, 0), (u16)id)
#define to_wcid_hi(id) FIELD_GET(GENMASK(9, 8), (u16)id)
#define HE_PHY(p, c) u8_get_bits(c, IEEE80211_HE_PHY_##p)
#define HE_MAC(m, c) u8_get_bits(c, IEEE80211_HE_MAC_##m)
static enum mt7915_cipher_type
mt7915_mcu_get_cipher(int cipher)
{
switch (cipher) {
case WLAN_CIPHER_SUITE_WEP40:
return MT_CIPHER_WEP40;
case WLAN_CIPHER_SUITE_WEP104:
return MT_CIPHER_WEP104;
case WLAN_CIPHER_SUITE_TKIP:
return MT_CIPHER_TKIP;
case WLAN_CIPHER_SUITE_AES_CMAC:
return MT_CIPHER_BIP_CMAC_128;
case WLAN_CIPHER_SUITE_CCMP:
return MT_CIPHER_AES_CCMP;
case WLAN_CIPHER_SUITE_CCMP_256:
return MT_CIPHER_CCMP_256;
case WLAN_CIPHER_SUITE_GCMP:
return MT_CIPHER_GCMP;
case WLAN_CIPHER_SUITE_GCMP_256:
return MT_CIPHER_GCMP_256;
case WLAN_CIPHER_SUITE_SMS4:
return MT_CIPHER_WAPI;
default:
return MT_CIPHER_NONE;
}
}
static u8 mt7915_mcu_chan_bw(struct cfg80211_chan_def *chandef)
{
static const u8 width_to_bw[] = {
[NL80211_CHAN_WIDTH_40] = CMD_CBW_40MHZ,
[NL80211_CHAN_WIDTH_80] = CMD_CBW_80MHZ,
[NL80211_CHAN_WIDTH_80P80] = CMD_CBW_8080MHZ,
[NL80211_CHAN_WIDTH_160] = CMD_CBW_160MHZ,
[NL80211_CHAN_WIDTH_5] = CMD_CBW_5MHZ,
[NL80211_CHAN_WIDTH_10] = CMD_CBW_10MHZ,
[NL80211_CHAN_WIDTH_20] = CMD_CBW_20MHZ,
[NL80211_CHAN_WIDTH_20_NOHT] = CMD_CBW_20MHZ,
};
if (chandef->width >= ARRAY_SIZE(width_to_bw))
return 0;
return width_to_bw[chandef->width];
}
static const struct ieee80211_sta_he_cap *
mt7915_get_he_phy_cap(struct mt7915_phy *phy, struct ieee80211_vif *vif)
{
struct ieee80211_supported_band *sband;
enum nl80211_band band;
band = phy->mt76->chandef.chan->band;
sband = phy->mt76->hw->wiphy->bands[band];
return ieee80211_get_he_iftype_cap(sband, vif->type);
}
static u8
mt7915_get_phy_mode(struct mt7915_dev *dev, struct ieee80211_vif *vif,
enum nl80211_band band, struct ieee80211_sta *sta)
{
struct ieee80211_sta_ht_cap *ht_cap;
struct ieee80211_sta_vht_cap *vht_cap;
const struct ieee80211_sta_he_cap *he_cap;
u8 mode = 0;
if (sta) {
ht_cap = &sta->ht_cap;
vht_cap = &sta->vht_cap;
he_cap = &sta->he_cap;
} else {
struct ieee80211_supported_band *sband;
struct mt7915_phy *phy;
struct mt7915_vif *mvif;
mvif = (struct mt7915_vif *)vif->drv_priv;
phy = mvif->band_idx ? mt7915_ext_phy(dev) : &dev->phy;
sband = phy->mt76->hw->wiphy->bands[band];
ht_cap = &sband->ht_cap;
vht_cap = &sband->vht_cap;
he_cap = ieee80211_get_he_iftype_cap(sband, vif->type);
}
if (band == NL80211_BAND_2GHZ) {
mode |= PHY_MODE_B | PHY_MODE_G;
if (ht_cap->ht_supported)
mode |= PHY_MODE_GN;
if (he_cap->has_he)
mode |= PHY_MODE_AX_24G;
} else if (band == NL80211_BAND_5GHZ) {
mode |= PHY_MODE_A;
if (ht_cap->ht_supported)
mode |= PHY_MODE_AN;
if (vht_cap->vht_supported)
mode |= PHY_MODE_AC;
if (he_cap->has_he)
mode |= PHY_MODE_AX_5G;
}
return mode;
}
static u8
mt7915_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 int
mt7915_mcu_parse_response(struct mt76_dev *mdev, int cmd,
struct sk_buff *skb, int seq)
{
struct mt7915_mcu_rxd *rxd;
int ret = 0;
if (!skb) {
dev_err(mdev->dev, "Message %d (seq %d) timeout\n",
cmd, seq);
return -ETIMEDOUT;
}
rxd = (struct mt7915_mcu_rxd *)skb->data;
if (seq != rxd->seq)
return -EAGAIN;
switch (cmd) {
case -MCU_CMD_PATCH_SEM_CONTROL:
skb_pull(skb, sizeof(*rxd) - 4);
ret = *skb->data;
break;
case MCU_EXT_CMD_THERMAL_CTRL:
skb_pull(skb, sizeof(*rxd) + 4);
ret = le32_to_cpu(*(__le32 *)skb->data);
break;
default:
skb_pull(skb, sizeof(struct mt7915_mcu_rxd));
break;
}
return ret;
}
static int
mt7915_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
int cmd, int *wait_seq)
{
struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
struct mt7915_mcu_txd *mcu_txd;
u8 seq, pkt_fmt, qidx;
enum mt76_txq_id txq;
__le32 *txd;
u32 val;
/* TODO: make dynamic based on msg type */
mdev->mcu.timeout = 20 * HZ;
seq = ++dev->mt76.mcu.msg_seq & 0xf;
if (!seq)
seq = ++dev->mt76.mcu.msg_seq & 0xf;
if (cmd == -MCU_CMD_FW_SCATTER) {
txq = MT_MCUQ_FWDL;
goto exit;
}
mcu_txd = (struct mt7915_mcu_txd *)skb_push(skb, sizeof(*mcu_txd));
if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state)) {
txq = MT_MCUQ_WA;
qidx = MT_TX_MCU_PORT_RX_Q0;
pkt_fmt = MT_TX_TYPE_CMD;
} else {
txq = MT_MCUQ_WM;
qidx = MT_TX_MCU_PORT_RX_Q0;
pkt_fmt = MT_TX_TYPE_CMD;
}
txd = mcu_txd->txd;
val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len) |
FIELD_PREP(MT_TXD0_PKT_FMT, pkt_fmt) |
FIELD_PREP(MT_TXD0_Q_IDX, qidx);
txd[0] = cpu_to_le32(val);
val = MT_TXD1_LONG_FORMAT |
FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_CMD);
txd[1] = cpu_to_le32(val);
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, qidx));
mcu_txd->pkt_type = MCU_PKT_ID;
mcu_txd->seq = seq;
if (cmd < 0) {
mcu_txd->set_query = MCU_Q_NA;
mcu_txd->cid = -cmd;
} else {
mcu_txd->cid = MCU_CMD_EXT_CID;
mcu_txd->ext_cid = cmd;
mcu_txd->ext_cid_ack = 1;
/* do not use Q_SET for efuse */
if (cmd == MCU_EXT_CMD_EFUSE_ACCESS)
mcu_txd->set_query = MCU_Q_QUERY;
else
mcu_txd->set_query = MCU_Q_SET;
}
if (cmd == MCU_EXT_CMD_MWDS_SUPPORT)
mcu_txd->s2d_index = MCU_S2D_H2C;
else
mcu_txd->s2d_index = MCU_S2D_H2N;
WARN_ON(cmd == MCU_EXT_CMD_EFUSE_ACCESS &&
mcu_txd->set_query != MCU_Q_QUERY);
exit:
if (wait_seq)
*wait_seq = seq;
return mt76_tx_queue_skb_raw(dev, mdev->q_mcu[txq], skb, 0);
}
static void
mt7915_mcu_csa_finish(void *priv, u8 *mac, struct ieee80211_vif *vif)
{
if (vif->csa_active)
ieee80211_csa_finish(vif);
}
static void
mt7915_mcu_rx_radar_detected(struct mt7915_dev *dev, struct sk_buff *skb)
{
struct mt76_phy *mphy = &dev->mt76.phy;
struct mt7915_mcu_rdd_report *r;
r = (struct mt7915_mcu_rdd_report *)skb->data;
if (r->idx && dev->mt76.phy2)
mphy = dev->mt76.phy2;
ieee80211_radar_detected(mphy->hw);
dev->hw_pattern++;
}
static void
mt7915_mcu_tx_rate_parse(struct mt76_phy *mphy, struct mt7915_mcu_ra_info *ra,
struct rate_info *rate, u16 r)
{
struct ieee80211_supported_band *sband;
u16 ru_idx = le16_to_cpu(ra->ru_idx);
u16 flags = 0;
rate->mcs = FIELD_GET(MT_RA_RATE_MCS, r);
rate->nss = FIELD_GET(MT_RA_RATE_NSS, r) + 1;
switch (FIELD_GET(MT_RA_RATE_TX_MODE, r)) {
case MT_PHY_TYPE_CCK:
case MT_PHY_TYPE_OFDM:
if (mphy->chandef.chan->band == NL80211_BAND_5GHZ)
sband = &mphy->sband_5g.sband;
else
sband = &mphy->sband_2g.sband;
rate->legacy = sband->bitrates[rate->mcs].bitrate;
break;
case MT_PHY_TYPE_HT:
case MT_PHY_TYPE_HT_GF:
rate->mcs += (rate->nss - 1) * 8;
flags |= RATE_INFO_FLAGS_MCS;
if (ra->gi)
flags |= RATE_INFO_FLAGS_SHORT_GI;
break;
case MT_PHY_TYPE_VHT:
flags |= RATE_INFO_FLAGS_VHT_MCS;
if (ra->gi)
flags |= RATE_INFO_FLAGS_SHORT_GI;
break;
case MT_PHY_TYPE_HE_SU:
case MT_PHY_TYPE_HE_EXT_SU:
case MT_PHY_TYPE_HE_TB:
case MT_PHY_TYPE_HE_MU:
rate->he_gi = ra->gi;
rate->he_dcm = FIELD_GET(MT_RA_RATE_DCM_EN, r);
flags |= RATE_INFO_FLAGS_HE_MCS;
break;
default:
break;
}
rate->flags = flags;
if (ru_idx) {
switch (ru_idx) {
case 1 ... 2:
rate->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_996;
break;
case 3 ... 6:
rate->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_484;
break;
case 7 ... 14:
rate->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_242;
break;
default:
rate->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106;
break;
}
rate->bw = RATE_INFO_BW_HE_RU;
} else {
u8 bw = mt7915_mcu_chan_bw(&mphy->chandef) -
FIELD_GET(MT_RA_RATE_BW, r);
switch (bw) {
case IEEE80211_STA_RX_BW_160:
rate->bw = RATE_INFO_BW_160;
break;
case IEEE80211_STA_RX_BW_80:
rate->bw = RATE_INFO_BW_80;
break;
case IEEE80211_STA_RX_BW_40:
rate->bw = RATE_INFO_BW_40;
break;
default:
rate->bw = RATE_INFO_BW_20;
break;
}
}
}
static void
mt7915_mcu_tx_rate_report(struct mt7915_dev *dev, struct sk_buff *skb)
{
struct mt7915_mcu_ra_info *ra = (struct mt7915_mcu_ra_info *)skb->data;
struct rate_info rate = {}, prob_rate = {};
u16 probe = le16_to_cpu(ra->prob_up_rate);
u16 attempts = le16_to_cpu(ra->attempts);
u16 curr = le16_to_cpu(ra->curr_rate);
u16 wcidx = le16_to_cpu(ra->wlan_idx);
struct mt76_phy *mphy = &dev->mphy;
struct mt7915_sta_stats *stats;
struct mt7915_sta *msta;
struct mt76_wcid *wcid;
if (wcidx >= MT76_N_WCIDS)
return;
wcid = rcu_dereference(dev->mt76.wcid[wcidx]);
if (!wcid)
return;
msta = container_of(wcid, struct mt7915_sta, wcid);
stats = &msta->stats;
if (msta->wcid.ext_phy && dev->mt76.phy2)
mphy = dev->mt76.phy2;
/* current rate */
mt7915_mcu_tx_rate_parse(mphy, ra, &rate, curr);
stats->tx_rate = rate;
/* probing rate */
mt7915_mcu_tx_rate_parse(mphy, ra, &prob_rate, probe);
stats->prob_rate = prob_rate;
if (attempts) {
u16 success = le16_to_cpu(ra->success);
stats->per = 1000 * (attempts - success) / attempts;
}
}
static void
mt7915_mcu_rx_log_message(struct mt7915_dev *dev, struct sk_buff *skb)
{
struct mt7915_mcu_rxd *rxd = (struct mt7915_mcu_rxd *)skb->data;
const char *data = (char *)&rxd[1];
const char *type;
switch (rxd->s2d_index) {
case 0:
type = "WM";
break;
case 2:
type = "WA";
break;
default:
type = "unknown";
break;
}
wiphy_info(mt76_hw(dev)->wiphy, "%s: %s", type, data);
}
static void
mt7915_mcu_rx_ext_event(struct mt7915_dev *dev, struct sk_buff *skb)
{
struct mt7915_mcu_rxd *rxd = (struct mt7915_mcu_rxd *)skb->data;
switch (rxd->ext_eid) {
case MCU_EXT_EVENT_RDD_REPORT:
mt7915_mcu_rx_radar_detected(dev, skb);
break;
case MCU_EXT_EVENT_CSA_NOTIFY:
ieee80211_iterate_active_interfaces_atomic(dev->mt76.hw,
IEEE80211_IFACE_ITER_RESUME_ALL,
mt7915_mcu_csa_finish, dev);
break;
case MCU_EXT_EVENT_RATE_REPORT:
mt7915_mcu_tx_rate_report(dev, skb);
break;
case MCU_EXT_EVENT_FW_LOG_2_HOST:
mt7915_mcu_rx_log_message(dev, skb);
break;
default:
break;
}
}
static void
mt7915_mcu_rx_unsolicited_event(struct mt7915_dev *dev, struct sk_buff *skb)
{
struct mt7915_mcu_rxd *rxd = (struct mt7915_mcu_rxd *)skb->data;
switch (rxd->eid) {
case MCU_EVENT_EXT:
mt7915_mcu_rx_ext_event(dev, skb);
break;
default:
break;
}
dev_kfree_skb(skb);
}
void mt7915_mcu_rx_event(struct mt7915_dev *dev, struct sk_buff *skb)
{
struct mt7915_mcu_rxd *rxd = (struct mt7915_mcu_rxd *)skb->data;
if (rxd->ext_eid == MCU_EXT_EVENT_THERMAL_PROTECT ||
rxd->ext_eid == MCU_EXT_EVENT_FW_LOG_2_HOST ||
rxd->ext_eid == MCU_EXT_EVENT_ASSERT_DUMP ||
rxd->ext_eid == MCU_EXT_EVENT_PS_SYNC ||
rxd->ext_eid == MCU_EXT_EVENT_RATE_REPORT ||
!rxd->seq)
mt7915_mcu_rx_unsolicited_event(dev, skb);
else
mt76_mcu_rx_event(&dev->mt76, skb);
}
static struct sk_buff *
mt7915_mcu_alloc_sta_req(struct mt7915_dev *dev, struct mt7915_vif *mvif,
struct mt7915_sta *msta, int len)
{
struct sta_req_hdr hdr = {
.bss_idx = mvif->idx,
.wlan_idx_lo = msta ? to_wcid_lo(msta->wcid.idx) : 0,
.wlan_idx_hi = msta ? to_wcid_hi(msta->wcid.idx) : 0,
.muar_idx = msta ? mvif->omac_idx : 0,
.is_tlv_append = 1,
};
struct sk_buff *skb;
skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len);
if (!skb)
return ERR_PTR(-ENOMEM);
skb_put_data(skb, &hdr, sizeof(hdr));
return skb;
}
static struct wtbl_req_hdr *
mt7915_mcu_alloc_wtbl_req(struct mt7915_dev *dev, struct mt7915_sta *msta,
int cmd, void *sta_wtbl, struct sk_buff **skb)
{
struct tlv *sta_hdr = sta_wtbl;
struct wtbl_req_hdr hdr = {
.wlan_idx_lo = to_wcid_lo(msta->wcid.idx),
.wlan_idx_hi = to_wcid_hi(msta->wcid.idx),
.operation = cmd,
};
struct sk_buff *nskb = *skb;
if (!nskb) {
nskb = mt76_mcu_msg_alloc(&dev->mt76, NULL,
MT7915_WTBL_UPDATE_BA_SIZE);
if (!nskb)
return ERR_PTR(-ENOMEM);
*skb = nskb;
}
if (sta_hdr)
sta_hdr->len = cpu_to_le16(sizeof(hdr));
return skb_put_data(nskb, &hdr, sizeof(hdr));
}
static struct tlv *
mt7915_mcu_add_nested_tlv(struct sk_buff *skb, int tag, int len,
void *sta_ntlv, void *sta_wtbl)
{
struct sta_ntlv_hdr *ntlv_hdr = sta_ntlv;
struct tlv *sta_hdr = sta_wtbl;
struct tlv *ptlv, tlv = {
.tag = cpu_to_le16(tag),
.len = cpu_to_le16(len),
};
u16 ntlv;
ptlv = skb_put(skb, len);
memcpy(ptlv, &tlv, sizeof(tlv));
ntlv = le16_to_cpu(ntlv_hdr->tlv_num);
ntlv_hdr->tlv_num = cpu_to_le16(ntlv + 1);
if (sta_hdr) {
u16 size = le16_to_cpu(sta_hdr->len);
sta_hdr->len = cpu_to_le16(size + len);
}
return ptlv;
}
static struct tlv *
mt7915_mcu_add_tlv(struct sk_buff *skb, int tag, int len)
{
return mt7915_mcu_add_nested_tlv(skb, tag, len, skb->data, NULL);
}
static struct tlv *
mt7915_mcu_add_nested_subtlv(struct sk_buff *skb, int sub_tag, int sub_len,
__le16 *sub_ntlv, __le16 *len)
{
struct tlv *ptlv, tlv = {
.tag = cpu_to_le16(sub_tag),
.len = cpu_to_le16(sub_len),
};
ptlv = skb_put(skb, sub_len);
memcpy(ptlv, &tlv, sizeof(tlv));
le16_add_cpu(sub_ntlv, 1);
le16_add_cpu(len, sub_len);
return ptlv;
}
/** bss info **/
static int
mt7915_mcu_bss_basic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
struct mt7915_phy *phy, bool enable)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
enum nl80211_band band = chandef->chan->band;
struct bss_info_basic *bss;
u16 wlan_idx = mvif->sta.wcid.idx;
u32 type = NETWORK_INFRA;
struct tlv *tlv;
tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_BASIC, sizeof(*bss));
switch (vif->type) {
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_AP:
break;
case NL80211_IFTYPE_STATION:
/* TODO: enable BSS_INFO_UAPSD & BSS_INFO_PM */
if (enable) {
struct ieee80211_sta *sta;
struct mt7915_sta *msta;
rcu_read_lock();
sta = ieee80211_find_sta(vif, vif->bss_conf.bssid);
if (!sta) {
rcu_read_unlock();
return -EINVAL;
}
msta = (struct mt7915_sta *)sta->drv_priv;
wlan_idx = msta->wcid.idx;
rcu_read_unlock();
}
break;
case NL80211_IFTYPE_ADHOC:
type = NETWORK_IBSS;
break;
default:
WARN_ON(1);
break;
}
bss = (struct bss_info_basic *)tlv;
memcpy(bss->bssid, vif->bss_conf.bssid, ETH_ALEN);
bss->bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int);
bss->network_type = cpu_to_le32(type);
bss->dtim_period = vif->bss_conf.dtim_period;
bss->bmc_wcid_lo = to_wcid_lo(wlan_idx);
bss->bmc_wcid_hi = to_wcid_hi(wlan_idx);
bss->phy_mode = mt7915_get_phy_mode(phy->dev, vif, band, NULL);
bss->wmm_idx = mvif->wmm_idx;
bss->active = enable;
return 0;
}
static void
mt7915_mcu_bss_omac_tlv(struct sk_buff *skb, struct ieee80211_vif *vif)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct bss_info_omac *omac;
struct tlv *tlv;
u32 type = 0;
u8 idx;
tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_OMAC, sizeof(*omac));
switch (vif->type) {
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_AP:
type = CONNECTION_INFRA_AP;
break;
case NL80211_IFTYPE_STATION:
type = CONNECTION_INFRA_STA;
break;
case NL80211_IFTYPE_ADHOC:
type = CONNECTION_IBSS_ADHOC;
break;
default:
WARN_ON(1);
break;
}
omac = (struct bss_info_omac *)tlv;
idx = mvif->omac_idx > EXT_BSSID_START ? HW_BSSID_0 : mvif->omac_idx;
omac->conn_type = cpu_to_le32(type);
omac->omac_idx = mvif->omac_idx;
omac->band_idx = mvif->band_idx;
omac->hw_bss_idx = idx;
}
struct mt7915_he_obss_narrow_bw_ru_data {
bool tolerated;
};
static void mt7915_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy,
struct cfg80211_bss *bss,
void *_data)
{
struct mt7915_he_obss_narrow_bw_ru_data *data = _data;
const struct element *elem;
elem = ieee80211_bss_get_elem(bss, WLAN_EID_EXT_CAPABILITY);
if (!elem || elem->datalen < 10 ||
!(elem->data[10] &
WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT))
data->tolerated = false;
}
static bool mt7915_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct mt7915_he_obss_narrow_bw_ru_data iter_data = {
.tolerated = true,
};
if (!(vif->bss_conf.chandef.chan->flags & IEEE80211_CHAN_RADAR))
return false;
cfg80211_bss_iter(hw->wiphy, &vif->bss_conf.chandef,
mt7915_check_he_obss_narrow_bw_ru_iter,
&iter_data);
/*
* If there is at least one AP on radar channel that cannot
* tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU.
*/
return !iter_data.tolerated;
}
static void
mt7915_mcu_bss_rfch_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
struct mt7915_phy *phy)
{
struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
struct bss_info_rf_ch *ch;
struct tlv *tlv;
int freq1 = chandef->center_freq1;
tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_RF_CH, sizeof(*ch));
ch = (struct bss_info_rf_ch *)tlv;
ch->pri_ch = chandef->chan->hw_value;
ch->center_ch0 = ieee80211_frequency_to_channel(freq1);
ch->bw = mt7915_mcu_chan_bw(chandef);
if (chandef->width == NL80211_CHAN_WIDTH_80P80) {
int freq2 = chandef->center_freq2;
ch->center_ch1 = ieee80211_frequency_to_channel(freq2);
}
if (vif->bss_conf.he_support && vif->type == NL80211_IFTYPE_STATION) {
struct mt7915_dev *dev = phy->dev;
struct mt76_phy *mphy = &dev->mt76.phy;
bool ext_phy = phy != &dev->phy;
if (ext_phy && dev->mt76.phy2)
mphy = dev->mt76.phy2;
ch->he_ru26_block =
mt7915_check_he_obss_narrow_bw_ru(mphy->hw, vif);
ch->he_all_disable = false;
} else {
ch->he_all_disable = true;
}
}
static void
mt7915_mcu_bss_ra_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
struct mt7915_phy *phy)
{
struct bss_info_ra *ra;
struct tlv *tlv;
int max_nss = hweight8(phy->chainmask);
tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_RA, sizeof(*ra));
ra = (struct bss_info_ra *)tlv;
ra->op_mode = vif->type == NL80211_IFTYPE_AP;
ra->adhoc_en = vif->type == NL80211_IFTYPE_ADHOC;
ra->short_preamble = true;
ra->tx_streams = max_nss;
ra->rx_streams = max_nss;
ra->algo = 4;
ra->train_up_rule = 2;
ra->train_up_high_thres = 110;
ra->train_up_rule_rssi = -70;
ra->low_traffic_thres = 2;
ra->phy_cap = cpu_to_le32(0xfdf);
ra->interval = cpu_to_le32(500);
ra->fast_interval = cpu_to_le32(100);
}
static void
mt7915_mcu_bss_he_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
struct mt7915_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_he *he;
struct tlv *tlv;
cap = mt7915_get_he_phy_cap(phy, vif);
tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_HE_BASIC, sizeof(*he));
he = (struct bss_info_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
mt7915_mcu_bss_hw_amsdu_tlv(struct sk_buff *skb)
{
#define TXD_CMP_MAP1 GENMASK(15, 0)
#define TXD_CMP_MAP2 (GENMASK(31, 0) & ~BIT(23))
struct bss_info_hw_amsdu *amsdu;
struct tlv *tlv;
tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_HW_AMSDU, sizeof(*amsdu));
amsdu = (struct bss_info_hw_amsdu *)tlv;
amsdu->cmp_bitmap_0 = cpu_to_le32(TXD_CMP_MAP1);
amsdu->cmp_bitmap_1 = cpu_to_le32(TXD_CMP_MAP2);
amsdu->trig_thres = cpu_to_le16(2);
amsdu->enable = true;
}
static void
mt7915_mcu_bss_ext_tlv(struct sk_buff *skb, struct mt7915_vif *mvif)
{
/* SIFS 20us + 512 byte beacon tranmitted by 1Mbps (3906us) */
#define BCN_TX_ESTIMATE_TIME (4096 + 20)
struct bss_info_ext_bss *ext;
int ext_bss_idx, tsf_offset;
struct tlv *tlv;
ext_bss_idx = mvif->omac_idx - EXT_BSSID_START;
if (ext_bss_idx < 0)
return;
tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_EXT_BSS, sizeof(*ext));
ext = (struct bss_info_ext_bss *)tlv;
tsf_offset = ext_bss_idx * BCN_TX_ESTIMATE_TIME;
ext->mbss_tsf_offset = cpu_to_le32(tsf_offset);
}
static void
mt7915_mcu_bss_bmc_tlv(struct sk_buff *skb, struct mt7915_phy *phy)
{
struct bss_info_bmc_rate *bmc;
struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
enum nl80211_band band = chandef->chan->band;
struct tlv *tlv;
tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_BMC_RATE, sizeof(*bmc));
bmc = (struct bss_info_bmc_rate *)tlv;
if (band == NL80211_BAND_2GHZ) {
bmc->short_preamble = true;
} else {
bmc->bc_trans = cpu_to_le16(0x2000);
bmc->mc_trans = cpu_to_le16(0x2080);
}
}
static int
mt7915_mcu_muar_config(struct mt7915_phy *phy, struct ieee80211_vif *vif,
bool bssid, bool enable)
{
struct mt7915_dev *dev = phy->dev;
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
u32 idx = mvif->omac_idx - REPEATER_BSSID_START;
u32 mask = phy->omac_mask >> 32 & ~BIT(idx);
const u8 *addr = vif->addr;
struct {
u8 mode;
u8 force_clear;
u8 clear_bitmap[8];
u8 entry_count;
u8 write;
u8 band;
u8 index;
u8 bssid;
u8 addr[ETH_ALEN];
} __packed req = {
.mode = !!mask || enable,
.entry_count = 1,
.write = 1,
.band = phy != &dev->phy,
.index = idx * 2 + bssid,
};
if (bssid)
addr = vif->bss_conf.bssid;
if (enable)
ether_addr_copy(req.addr, addr);
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_MUAR_UPDATE, &req,
sizeof(req), true);
}
int mt7915_mcu_add_bss_info(struct mt7915_phy *phy,
struct ieee80211_vif *vif, int enable)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct sk_buff *skb;
if (mvif->omac_idx >= REPEATER_BSSID_START)
mt7915_mcu_muar_config(phy, vif, true, enable);
skb = mt7915_mcu_alloc_sta_req(phy->dev, mvif, NULL,
MT7915_BSS_UPDATE_MAX_SIZE);
if (IS_ERR(skb))
return PTR_ERR(skb);
/* bss_omac must be first */
if (enable)
mt7915_mcu_bss_omac_tlv(skb, vif);
mt7915_mcu_bss_basic_tlv(skb, vif, phy, enable);
if (enable) {
mt7915_mcu_bss_rfch_tlv(skb, vif, phy);
mt7915_mcu_bss_bmc_tlv(skb, phy);
mt7915_mcu_bss_ra_tlv(skb, vif, phy);
mt7915_mcu_bss_hw_amsdu_tlv(skb);
if (vif->bss_conf.he_support)
mt7915_mcu_bss_he_tlv(skb, vif, phy);
if (mvif->omac_idx >= EXT_BSSID_START &&
mvif->omac_idx < REPEATER_BSSID_START)
mt7915_mcu_bss_ext_tlv(skb, mvif);
}
return mt76_mcu_skb_send_msg(&phy->dev->mt76, skb,
MCU_EXT_CMD_BSS_INFO_UPDATE, true);
}
/** starec & wtbl **/
static int
mt7915_mcu_sta_key_tlv(struct sk_buff *skb, struct ieee80211_key_conf *key,
enum set_key_cmd cmd)
{
struct sta_rec_sec *sec;
struct tlv *tlv;
u32 len = sizeof(*sec);
tlv = mt7915_mcu_add_tlv(skb, STA_REC_KEY_V2, sizeof(*sec));
sec = (struct sta_rec_sec *)tlv;
sec->add = cmd;
if (cmd == SET_KEY) {
struct sec_key *sec_key;
u8 cipher;
cipher = mt7915_mcu_get_cipher(key->cipher);
if (cipher == MT_CIPHER_NONE)
return -EOPNOTSUPP;
sec_key = &sec->key[0];
sec_key->cipher_len = sizeof(*sec_key);
sec_key->key_id = key->keyidx;
if (cipher == MT_CIPHER_BIP_CMAC_128) {
sec_key->cipher_id = MT_CIPHER_AES_CCMP;
sec_key->key_len = 16;
memcpy(sec_key->key, key->key, 16);
sec_key = &sec->key[1];
sec_key->cipher_id = MT_CIPHER_BIP_CMAC_128;
sec_key->cipher_len = sizeof(*sec_key);
sec_key->key_len = 16;
memcpy(sec_key->key, key->key + 16, 16);
sec->n_cipher = 2;
} else {
sec_key->cipher_id = cipher;
sec_key->key_len = key->keylen;
memcpy(sec_key->key, key->key, key->keylen);
if (cipher == MT_CIPHER_TKIP) {
/* Rx/Tx MIC keys are swapped */
memcpy(sec_key->key + 16, key->key + 24, 8);
memcpy(sec_key->key + 24, key->key + 16, 8);
}
len -= sizeof(*sec_key);
sec->n_cipher = 1;
}
} else {
len -= sizeof(sec->key);
sec->n_cipher = 0;
}
sec->len = cpu_to_le16(len);
return 0;
}
int mt7915_mcu_add_key(struct mt7915_dev *dev, struct ieee80211_vif *vif,
struct mt7915_sta *msta, struct ieee80211_key_conf *key,
enum set_key_cmd cmd)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct sk_buff *skb;
int len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_sec);
int ret;
skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
if (IS_ERR(skb))
return PTR_ERR(skb);
ret = mt7915_mcu_sta_key_tlv(skb, key, cmd);
if (ret)
return ret;
return mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_EXT_CMD_STA_REC_UPDATE, true);
}
static void
mt7915_mcu_sta_ba_tlv(struct sk_buff *skb,
struct ieee80211_ampdu_params *params,
bool enable, bool tx)
{
struct sta_rec_ba *ba;
struct tlv *tlv;
tlv = mt7915_mcu_add_tlv(skb, STA_REC_BA, sizeof(*ba));
ba = (struct sta_rec_ba *)tlv;
ba->ba_type = tx ? MT_BA_TYPE_ORIGINATOR : MT_BA_TYPE_RECIPIENT,
ba->winsize = cpu_to_le16(params->buf_size);
ba->ssn = cpu_to_le16(params->ssn);
ba->ba_en = enable << params->tid;
ba->amsdu = params->amsdu;
ba->tid = params->tid;
}
static void
mt7915_mcu_wtbl_ba_tlv(struct sk_buff *skb,
struct ieee80211_ampdu_params *params,
bool enable, bool tx, void *sta_wtbl,
void *wtbl_tlv)
{
struct wtbl_ba *ba;
struct tlv *tlv;
tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_BA, sizeof(*ba),
wtbl_tlv, sta_wtbl);
ba = (struct wtbl_ba *)tlv;
ba->tid = params->tid;
if (tx) {
ba->ba_type = MT_BA_TYPE_ORIGINATOR;
ba->sn = enable ? cpu_to_le16(params->ssn) : 0;
ba->ba_en = enable;
} else {
memcpy(ba->peer_addr, params->sta->addr, ETH_ALEN);
ba->ba_type = MT_BA_TYPE_RECIPIENT;
ba->rst_ba_tid = params->tid;
ba->rst_ba_sel = RST_BA_MAC_TID_MATCH;
ba->rst_ba_sb = 1;
}
if (enable && tx)
ba->ba_winsize = cpu_to_le16(params->buf_size);
}
static int
mt7915_mcu_sta_ba(struct mt7915_dev *dev,
struct ieee80211_ampdu_params *params,
bool enable, bool tx)
{
struct mt7915_sta *msta = (struct mt7915_sta *)params->sta->drv_priv;
struct mt7915_vif *mvif = msta->vif;
struct wtbl_req_hdr *wtbl_hdr;
struct tlv *sta_wtbl;
struct sk_buff *skb;
int ret;
if (enable && tx && !params->amsdu)
msta->wcid.amsdu = false;
skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta,
MT7915_STA_UPDATE_MAX_SIZE);
if (IS_ERR(skb))
return PTR_ERR(skb);
sta_wtbl = mt7915_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
wtbl_hdr = mt7915_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, sta_wtbl,
&skb);
mt7915_mcu_wtbl_ba_tlv(skb, params, enable, tx, sta_wtbl, wtbl_hdr);
ret = mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_EXT_CMD_STA_REC_UPDATE, true);
if (ret)
return ret;
skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta,
MT7915_STA_UPDATE_MAX_SIZE);
if (IS_ERR(skb))
return PTR_ERR(skb);
mt7915_mcu_sta_ba_tlv(skb, params, enable, tx);
return mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_EXT_CMD_STA_REC_UPDATE, true);
}
int mt7915_mcu_add_tx_ba(struct mt7915_dev *dev,
struct ieee80211_ampdu_params *params,
bool enable)
{
return mt7915_mcu_sta_ba(dev, params, enable, true);
}
int mt7915_mcu_add_rx_ba(struct mt7915_dev *dev,
struct ieee80211_ampdu_params *params,
bool enable)
{
return mt7915_mcu_sta_ba(dev, params, enable, false);
}
static void
mt7915_mcu_wtbl_generic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, void *sta_wtbl,
void *wtbl_tlv)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct wtbl_generic *generic;
struct wtbl_rx *rx;
struct tlv *tlv;
tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_GENERIC, sizeof(*generic),
wtbl_tlv, sta_wtbl);
generic = (struct wtbl_generic *)tlv;
if (sta) {
memcpy(generic->peer_addr, sta->addr, ETH_ALEN);
generic->partial_aid = cpu_to_le16(sta->aid);
generic->muar_idx = mvif->omac_idx;
generic->qos = sta->wme;
} else {
/* use BSSID in station mode */
if (vif->type == NL80211_IFTYPE_STATION)
memcpy(generic->peer_addr, vif->bss_conf.bssid,
ETH_ALEN);
else
eth_broadcast_addr(generic->peer_addr);
generic->muar_idx = 0xe;
}
tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_RX, sizeof(*rx),
wtbl_tlv, sta_wtbl);
rx = (struct wtbl_rx *)tlv;
rx->rca1 = sta ? vif->type != NL80211_IFTYPE_AP : 1;
rx->rca2 = 1;
rx->rv = 1;
}
static void
mt7915_mcu_sta_basic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, bool enable)
{
#define EXTRA_INFO_VER BIT(0)
#define EXTRA_INFO_NEW BIT(1)
struct sta_rec_basic *basic;
struct tlv *tlv;
tlv = mt7915_mcu_add_tlv(skb, STA_REC_BASIC, sizeof(*basic));
basic = (struct sta_rec_basic *)tlv;
basic->extra_info = cpu_to_le16(EXTRA_INFO_VER);
if (enable) {
basic->extra_info |= cpu_to_le16(EXTRA_INFO_NEW);
basic->conn_state = CONN_STATE_PORT_SECURE;
} else {
basic->conn_state = CONN_STATE_DISCONNECT;
}
if (!sta) {
basic->conn_type = cpu_to_le32(CONNECTION_INFRA_BC);
eth_broadcast_addr(basic->peer_addr);
return;
}
switch (vif->type) {
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_AP:
basic->conn_type = cpu_to_le32(CONNECTION_INFRA_STA);
break;
case NL80211_IFTYPE_STATION:
basic->conn_type = cpu_to_le32(CONNECTION_INFRA_AP);
break;
case NL80211_IFTYPE_ADHOC:
basic->conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC);
break;
default:
WARN_ON(1);
break;
}
memcpy(basic->peer_addr, sta->addr, ETH_ALEN);
basic->aid = cpu_to_le16(sta->aid);
basic->qos = sta->wme;
}
static void
mt7915_mcu_sta_he_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
{
struct ieee80211_sta_he_cap *he_cap = &sta->he_cap;
struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem;
struct sta_rec_he *he;
struct tlv *tlv;
u32 cap = 0;
tlv = mt7915_mcu_add_tlv(skb, STA_REC_HE, sizeof(*he));
he = (struct sta_rec_he *)tlv;
if (elem->mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE)
cap |= STA_REC_HE_CAP_HTC;
if (elem->mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR)
cap |= STA_REC_HE_CAP_BSR;
if (elem->mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL)
cap |= STA_REC_HE_CAP_OM;
if (elem->mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU)
cap |= STA_REC_HE_CAP_AMSDU_IN_AMPDU;
if (elem->mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR)
cap |= STA_REC_HE_CAP_BQR;
if (elem->phy_cap_info[0] &
(IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G |
IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G))
cap |= STA_REC_HE_CAP_BW20_RU242_SUPPORT;
if (elem->phy_cap_info[1] &
IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD)
cap |= STA_REC_HE_CAP_LDPC;
if (elem->phy_cap_info[1] &
IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US)
cap |= STA_REC_HE_CAP_SU_PPDU_1LTF_8US_GI;
if (elem->phy_cap_info[2] &
IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US)
cap |= STA_REC_HE_CAP_NDP_4LTF_3DOT2MS_GI;
if (elem->phy_cap_info[2] &
IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ)
cap |= STA_REC_HE_CAP_LE_EQ_80M_TX_STBC;
if (elem->phy_cap_info[2] &
IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ)
cap |= STA_REC_HE_CAP_LE_EQ_80M_RX_STBC;
if (elem->phy_cap_info[6] &
IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE)
cap |= STA_REC_HE_CAP_PARTIAL_BW_EXT_RANGE;
if (elem->phy_cap_info[7] &
IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI)
cap |= STA_REC_HE_CAP_SU_MU_PPDU_4LTF_8US_GI;
if (elem->phy_cap_info[7] &
IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ)
cap |= STA_REC_HE_CAP_GT_80M_TX_STBC;
if (elem->phy_cap_info[7] &
IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ)
cap |= STA_REC_HE_CAP_GT_80M_RX_STBC;
if (elem->phy_cap_info[8] &
IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI)
cap |= STA_REC_HE_CAP_ER_SU_PPDU_4LTF_8US_GI;
if (elem->phy_cap_info[8] &
IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI)
cap |= STA_REC_HE_CAP_ER_SU_PPDU_1LTF_8US_GI;
if (elem->phy_cap_info[9] &
IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK)
cap |= STA_REC_HE_CAP_TRIG_CQI_FK;
if (elem->phy_cap_info[9] &
IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU)
cap |= STA_REC_HE_CAP_TX_1024QAM_UNDER_RU242;
if (elem->phy_cap_info[9] &
IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU)
cap |= STA_REC_HE_CAP_RX_1024QAM_UNDER_RU242;
he->he_cap = cpu_to_le32(cap);
switch (sta->bandwidth) {
case IEEE80211_STA_RX_BW_160:
if (elem->phy_cap_info[0] &
IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
he->max_nss_mcs[CMD_HE_MCS_BW8080] =
he_cap->he_mcs_nss_supp.rx_mcs_80p80;
he->max_nss_mcs[CMD_HE_MCS_BW160] =
he_cap->he_mcs_nss_supp.rx_mcs_160;
fallthrough;
default:
he->max_nss_mcs[CMD_HE_MCS_BW80] =
he_cap->he_mcs_nss_supp.rx_mcs_80;
break;
}
he->t_frame_dur =
HE_MAC(CAP1_TF_MAC_PAD_DUR_MASK, elem->mac_cap_info[1]);
he->max_ampdu_exp =
HE_MAC(CAP3_MAX_AMPDU_LEN_EXP_MASK, elem->mac_cap_info[3]);
he->bw_set =
HE_PHY(CAP0_CHANNEL_WIDTH_SET_MASK, elem->phy_cap_info[0]);
he->device_class =
HE_PHY(CAP1_DEVICE_CLASS_A, elem->phy_cap_info[1]);
he->punc_pream_rx =
HE_PHY(CAP1_PREAMBLE_PUNC_RX_MASK, elem->phy_cap_info[1]);
he->dcm_tx_mode =
HE_PHY(CAP3_DCM_MAX_CONST_TX_MASK, elem->phy_cap_info[3]);
he->dcm_tx_max_nss =
HE_PHY(CAP3_DCM_MAX_TX_NSS_2, elem->phy_cap_info[3]);
he->dcm_rx_mode =
HE_PHY(CAP3_DCM_MAX_CONST_RX_MASK, elem->phy_cap_info[3]);
he->dcm_rx_max_nss =
HE_PHY(CAP3_DCM_MAX_RX_NSS_2, elem->phy_cap_info[3]);
he->dcm_rx_max_nss =
HE_PHY(CAP8_DCM_MAX_RU_MASK, elem->phy_cap_info[8]);
he->pkt_ext = 2;
}
static void
mt7915_mcu_sta_uapsd_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
struct ieee80211_vif *vif)
{
struct sta_rec_uapsd *uapsd;
struct tlv *tlv;
if (vif->type != NL80211_IFTYPE_AP || !sta->wme)
return;
tlv = mt7915_mcu_add_tlv(skb, STA_REC_APPS, sizeof(*uapsd));
uapsd = (struct sta_rec_uapsd *)tlv;
if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) {
uapsd->dac_map |= BIT(3);
uapsd->tac_map |= BIT(3);
}
if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI) {
uapsd->dac_map |= BIT(2);
uapsd->tac_map |= BIT(2);
}
if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE) {
uapsd->dac_map |= BIT(1);
uapsd->tac_map |= BIT(1);
}
if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK) {
uapsd->dac_map |= BIT(0);
uapsd->tac_map |= BIT(0);
}
uapsd->max_sp = sta->max_sp;
}
static void
mt7915_mcu_sta_muru_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
{
struct ieee80211_sta_he_cap *he_cap = &sta->he_cap;
struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem;
struct sta_rec_muru *muru;
struct tlv *tlv;
tlv = mt7915_mcu_add_tlv(skb, STA_REC_MURU, sizeof(*muru));
muru = (struct sta_rec_muru *)tlv;
muru->cfg.ofdma_dl_en = true;
muru->cfg.mimo_dl_en = true;
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_dl.lt16_sigb = 0;
muru->ofdma_dl.rx_su_comp_sigb = 0;
muru->ofdma_dl.rx_su_non_comp_sigb = 0;
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.he_2x996_tone = 0;
muru->ofdma_ul.rx_t_frame_11ac = 0;
muru->mimo_dl.vht_mu_bfee =
!!(sta->vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE);
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]);
}
static int
mt7915_mcu_add_mu(struct mt7915_dev *dev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
struct sk_buff *skb;
int len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_muru);
if (!sta->vht_cap.vht_supported && !sta->he_cap.has_he)
return 0;
skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
if (IS_ERR(skb))
return PTR_ERR(skb);
/* starec muru */
mt7915_mcu_sta_muru_tlv(skb, sta);
return mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_EXT_CMD_STA_REC_UPDATE, true);
}
static void
mt7915_mcu_sta_amsdu_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
{
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
struct sta_rec_amsdu *amsdu;
struct tlv *tlv;
if (!sta->max_amsdu_len)
return;
tlv = mt7915_mcu_add_tlv(skb, STA_REC_HW_AMSDU, sizeof(*amsdu));
amsdu = (struct sta_rec_amsdu *)tlv;
amsdu->max_amsdu_num = 8;
amsdu->amsdu_en = true;
amsdu->max_mpdu_size = sta->max_amsdu_len >=
IEEE80211_MAX_MPDU_LEN_VHT_7991;
msta->wcid.amsdu = true;
}
static bool
mt7915_hw_amsdu_supported(struct ieee80211_vif *vif)
{
switch (vif->type) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_STATION:
return true;
default:
return false;
}
}
static void
mt7915_mcu_sta_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
struct ieee80211_sta *sta, struct ieee80211_vif *vif)
{
struct tlv *tlv;
/* starec ht */
if (sta->ht_cap.ht_supported) {
struct sta_rec_ht *ht;
tlv = mt7915_mcu_add_tlv(skb, STA_REC_HT, sizeof(*ht));
ht = (struct sta_rec_ht *)tlv;
ht->ht_cap = cpu_to_le16(sta->ht_cap.cap);
if (mt7915_hw_amsdu_supported(vif))
mt7915_mcu_sta_amsdu_tlv(skb, sta);
}
/* starec vht */
if (sta->vht_cap.vht_supported) {
struct sta_rec_vht *vht;
tlv = mt7915_mcu_add_tlv(skb, STA_REC_VHT, sizeof(*vht));
vht = (struct sta_rec_vht *)tlv;
vht->vht_cap = cpu_to_le32(sta->vht_cap.cap);
vht->vht_rx_mcs_map = sta->vht_cap.vht_mcs.rx_mcs_map;
vht->vht_tx_mcs_map = sta->vht_cap.vht_mcs.tx_mcs_map;
}
/* starec he */
if (sta->he_cap.has_he)
mt7915_mcu_sta_he_tlv(skb, sta);
/* starec uapsd */
mt7915_mcu_sta_uapsd_tlv(skb, sta, vif);
}
static void
mt7915_mcu_wtbl_smps_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
void *sta_wtbl, void *wtbl_tlv)
{
struct wtbl_smps *smps;
struct tlv *tlv;
tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_SMPS, sizeof(*smps),
wtbl_tlv, sta_wtbl);
smps = (struct wtbl_smps *)tlv;
if (sta->smps_mode == IEEE80211_SMPS_DYNAMIC)
smps->smps = true;
}
static void
mt7915_mcu_wtbl_ht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
void *sta_wtbl, void *wtbl_tlv)
{
struct wtbl_ht *ht = NULL;
struct tlv *tlv;
/* wtbl ht */
if (sta->ht_cap.ht_supported) {
tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_HT, sizeof(*ht),
wtbl_tlv, sta_wtbl);
ht = (struct wtbl_ht *)tlv;
ht->ldpc = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING);
ht->af = sta->ht_cap.ampdu_factor;
ht->mm = sta->ht_cap.ampdu_density;
ht->ht = true;
}
/* wtbl vht */
if (sta->vht_cap.vht_supported) {
struct wtbl_vht *vht;
u8 af;
tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_VHT, sizeof(*vht),
wtbl_tlv, sta_wtbl);
vht = (struct wtbl_vht *)tlv;
vht->ldpc = !!(sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC);
vht->vht = true;
af = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK,
sta->vht_cap.cap);
if (ht)
ht->af = max_t(u8, ht->af, af);
}
mt7915_mcu_wtbl_smps_tlv(skb, sta, sta_wtbl, wtbl_tlv);
}
static void
mt7915_mcu_wtbl_hdr_trans_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
void *sta_wtbl, void *wtbl_tlv)
{
struct mt7915_sta *msta;
struct wtbl_hdr_trans *htr = NULL;
struct tlv *tlv;
tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_HDR_TRANS, sizeof(*htr),
wtbl_tlv, sta_wtbl);
htr = (struct wtbl_hdr_trans *)tlv;
htr->no_rx_trans = true;
if (vif->type == NL80211_IFTYPE_STATION)
htr->to_ds = true;
else
htr->from_ds = true;
if (!sta)
return;
msta = (struct mt7915_sta *)sta->drv_priv;
if (test_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags)) {
htr->to_ds = true;
htr->from_ds = true;
}
}
int mt7915_mcu_sta_update_hdr_trans(struct mt7915_dev *dev,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
struct wtbl_req_hdr *wtbl_hdr;
struct sk_buff *skb;
skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, MT7915_WTBL_UPDATE_MAX_SIZE);
if (!skb)
return -ENOMEM;
wtbl_hdr = mt7915_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, NULL, &skb);
mt7915_mcu_wtbl_hdr_trans_tlv(skb, vif, sta, NULL, wtbl_hdr);
return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_EXT_CMD_WTBL_UPDATE,
true);
}
int mt7915_mcu_add_smps(struct mt7915_dev *dev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
struct wtbl_req_hdr *wtbl_hdr;
struct tlv *sta_wtbl;
struct sk_buff *skb;
skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta,
MT7915_STA_UPDATE_MAX_SIZE);
if (IS_ERR(skb))
return PTR_ERR(skb);
sta_wtbl = mt7915_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
wtbl_hdr = mt7915_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, sta_wtbl,
&skb);
mt7915_mcu_wtbl_smps_tlv(skb, sta, sta_wtbl, wtbl_hdr);
return mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_EXT_CMD_STA_REC_UPDATE, true);
}
static void
mt7915_mcu_sta_sounding_rate(struct sta_rec_bf *bf)
{
bf->sounding_phy = MT_PHY_TYPE_OFDM;
bf->ndp_rate = 0; /* mcs0 */
bf->ndpa_rate = MT7915_CFEND_RATE_DEFAULT; /* ofdm 24m */
bf->rept_poll_rate = MT7915_CFEND_RATE_DEFAULT; /* ofdm 24m */
}
static void
mt7915_mcu_sta_bfer_ht(struct ieee80211_sta *sta, struct sta_rec_bf *bf)
{
struct ieee80211_mcs_info *mcs = &sta->ht_cap.mcs;
u8 n = 0;
bf->tx_mode = MT_PHY_TYPE_HT;
bf->bf_cap |= MT_IBF;
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->nc = min_t(u8, bf->nr, n);
bf->ibf_ncol = bf->nc;
if (sta->bandwidth <= IEEE80211_STA_RX_BW_40 && !bf->nc)
bf->ibf_timeout = 0x48;
}
static void
mt7915_mcu_sta_bfer_vht(struct ieee80211_sta *sta, struct mt7915_phy *phy,
struct sta_rec_bf *bf)
{
struct ieee80211_sta_vht_cap *pc = &sta->vht_cap;
struct ieee80211_sta_vht_cap *vc = &phy->mt76->sband_5g.sband.vht_cap;
u8 bfee_nr, bfer_nr, n, tx_ant = hweight8(phy->chainmask) - 1;
u16 mcs_map;
bf->tx_mode = MT_PHY_TYPE_VHT;
bf->bf_cap |= MT_EBF;
mt7915_mcu_sta_sounding_rate(bf);
bfee_nr = FIELD_GET(IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK,
pc->cap);
bfer_nr = FIELD_GET(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
vc->cap);
mcs_map = le16_to_cpu(pc->vht_mcs.rx_mcs_map);
n = min_t(u8, bfer_nr, bfee_nr);
bf->nr = min_t(u8, n, tx_ant);
n = mt7915_mcu_get_sta_nss(mcs_map);
bf->nc = min_t(u8, n, bf->nr);
bf->ibf_ncol = bf->nc;
/* force nr from 4 to 2 */
if (sta->bandwidth == IEEE80211_STA_RX_BW_160)
bf->nr = 1;
}
static void
mt7915_mcu_sta_bfer_he(struct ieee80211_sta *sta, struct ieee80211_vif *vif,
struct mt7915_phy *phy, struct sta_rec_bf *bf)
{
struct ieee80211_sta_he_cap *pc = &sta->he_cap;
struct ieee80211_he_cap_elem *pe = &pc->he_cap_elem;
const struct ieee80211_he_cap_elem *ve;
const struct ieee80211_sta_he_cap *vc;
u8 bfee_nr, bfer_nr, nss_mcs;
u16 mcs_map;
vc = mt7915_get_he_phy_cap(phy, vif);
ve = &vc->he_cap_elem;
bf->tx_mode = MT_PHY_TYPE_HE_SU;
bf->bf_cap |= MT_EBF;
mt7915_mcu_sta_sounding_rate(bf);
bf->trigger_su = HE_PHY(CAP6_TRIG_SU_BEAMFORMER_FB,
pe->phy_cap_info[6]);
bf->trigger_mu = HE_PHY(CAP6_TRIG_MU_BEAMFORMER_FB,
pe->phy_cap_info[6]);
bfer_nr = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK,
ve->phy_cap_info[5]);
bfee_nr = HE_PHY(CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK,
pe->phy_cap_info[4]);
mcs_map = le16_to_cpu(pc->he_mcs_nss_supp.tx_mcs_80);
nss_mcs = mt7915_mcu_get_sta_nss(mcs_map);
bf->nr = min_t(u8, bfer_nr, bfee_nr);
bf->nc = min_t(u8, nss_mcs, bf->nr);
bf->ibf_ncol = bf->nc;
if (sta->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 = mt7915_mcu_get_sta_nss(mcs_map);
bf->nc_bw160 = 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 = mt7915_mcu_get_sta_nss(mcs_map);
if (bf->nc_bw160)
bf->nc_bw160 = min_t(u8, bf->nc_bw160, nss_mcs);
else
bf->nc_bw160 = nss_mcs;
}
bfer_nr = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK,
ve->phy_cap_info[5]);
bfee_nr = HE_PHY(CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK,
pe->phy_cap_info[4]);
bf->nr_bw160 = min_t(int, bfer_nr, bfee_nr);
}
static void
mt7915_mcu_sta_bfer_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
struct ieee80211_vif *vif, struct mt7915_phy *phy,
bool enable)
{
struct sta_rec_bf *bf;
struct tlv *tlv;
int tx_ant = hweight8(phy->chainmask) - 1;
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 */
};
#define MT_BFER_FREE cpu_to_le16(GENMASK(15, 0))
tlv = mt7915_mcu_add_tlv(skb, STA_REC_BF, sizeof(*bf));
bf = (struct sta_rec_bf *)tlv;
if (!enable) {
bf->pfmu = MT_BFER_FREE;
return;
}
bf->bw = sta->bandwidth;
bf->ibf_dbw = sta->bandwidth;
bf->ibf_nrow = tx_ant;
bf->ibf_timeout = 0x18;
if (sta->he_cap.has_he)
mt7915_mcu_sta_bfer_he(sta, vif, phy, bf);
else if (sta->vht_cap.vht_supported)
mt7915_mcu_sta_bfer_vht(sta, phy, bf);
else if (sta->ht_cap.ht_supported)
mt7915_mcu_sta_bfer_ht(sta, bf);
if (bf->bf_cap & MT_EBF && bf->nr != tx_ant)
bf->mem_20m = matrix[tx_ant][bf->nc];
else
bf->mem_20m = matrix[bf->nr][bf->nc];
switch (sta->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
mt7915_mcu_sta_bfee_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
struct mt7915_phy *phy)
{
struct sta_rec_bfee *bfee;
struct tlv *tlv;
int tx_ant = hweight8(phy->chainmask) - 1;
u8 nr = 0;
tlv = mt7915_mcu_add_tlv(skb, STA_REC_BFEE, sizeof(*bfee));
bfee = (struct sta_rec_bfee *)tlv;
if (sta->he_cap.has_he) {
struct ieee80211_he_cap_elem *pe = &sta->he_cap.he_cap_elem;
nr = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK,
pe->phy_cap_info[5]);
} else if (sta->vht_cap.vht_supported) {
struct ieee80211_sta_vht_cap *pc = &sta->vht_cap;
nr = FIELD_GET(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
pc->cap);
}
/* reply with identity matrix to avoid 2x2 BF negative gain */
if (nr == 1 && tx_ant == 2)
bfee->fb_identity_matrix = true;
}
static u8
mt7915_mcu_sta_txbf_type(struct mt7915_phy *phy, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
u8 type = 0;
if (vif->type != NL80211_IFTYPE_STATION &&
vif->type != NL80211_IFTYPE_AP)
return 0;
if (sta->he_cap.has_he) {
struct ieee80211_he_cap_elem *pe;
const struct ieee80211_he_cap_elem *ve;
const struct ieee80211_sta_he_cap *vc;
pe = &sta->he_cap.he_cap_elem;
vc = mt7915_get_he_phy_cap(phy, vif);
ve = &vc->he_cap_elem;
if ((HE_PHY(CAP3_SU_BEAMFORMER, pe->phy_cap_info[3]) ||
HE_PHY(CAP4_MU_BEAMFORMER, pe->phy_cap_info[4])) &&
HE_PHY(CAP4_SU_BEAMFORMEE, ve->phy_cap_info[4]))
type |= MT_STA_BFEE;
if ((HE_PHY(CAP3_SU_BEAMFORMER, ve->phy_cap_info[3]) ||
HE_PHY(CAP4_MU_BEAMFORMER, ve->phy_cap_info[4])) &&
HE_PHY(CAP4_SU_BEAMFORMEE, pe->phy_cap_info[4]))
type |= MT_STA_BFER;
} else if (sta->vht_cap.vht_supported) {
struct ieee80211_sta_vht_cap *pc;
struct ieee80211_sta_vht_cap *vc;
u32 cr, ce;
pc = &sta->vht_cap;
vc = &phy->mt76->sband_5g.sband.vht_cap;
cr = IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE;
ce = IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;
if ((pc->cap & cr) && (vc->cap & ce))
type |= MT_STA_BFEE;
if ((vc->cap & cr) && (pc->cap & ce))
type |= MT_STA_BFER;
} else if (sta->ht_cap.ht_supported) {
/* TODO: iBF */
}
return type;
}
static int
mt7915_mcu_add_txbf(struct mt7915_dev *dev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, bool enable)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
struct mt7915_phy *phy;
struct sk_buff *skb;
int r, len;
u8 type;
phy = mvif->band_idx ? mt7915_ext_phy(dev) : &dev->phy;
type = mt7915_mcu_sta_txbf_type(phy, vif, sta);
/* must keep each tag independent */
/* starec bf */
if (type & MT_STA_BFER) {
len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_bf);
skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
if (IS_ERR(skb))
return PTR_ERR(skb);
mt7915_mcu_sta_bfer_tlv(skb, sta, vif, phy, enable);
r = mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_EXT_CMD_STA_REC_UPDATE, true);
if (r)
return r;
}
/* starec bfee */
if (type & MT_STA_BFEE) {
len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_bfee);
skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
if (IS_ERR(skb))
return PTR_ERR(skb);
mt7915_mcu_sta_bfee_tlv(skb, sta, phy);
r = mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_EXT_CMD_STA_REC_UPDATE, true);
if (r)
return r;
}
return 0;
}
static void
mt7915_mcu_sta_rate_ctrl_tlv(struct sk_buff *skb, struct mt7915_dev *dev,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct cfg80211_chan_def *chandef = &dev->mphy.chandef;
struct sta_rec_ra *ra;
struct tlv *tlv;
enum nl80211_band band = chandef->chan->band;
u32 supp_rate = sta->supp_rates[band];
int n_rates = hweight32(supp_rate);
u32 cap = sta->wme ? STA_CAP_WMM : 0;
u8 i, nss = sta->rx_nss, mcs = 0;
tlv = mt7915_mcu_add_tlv(skb, STA_REC_RA, sizeof(*ra));
ra = (struct sta_rec_ra *)tlv;
ra->valid = true;
ra->auto_rate = true;
ra->phy_mode = mt7915_get_phy_mode(dev, vif, band, sta);
ra->channel = chandef->chan->hw_value;
ra->bw = sta->bandwidth;
ra->rate_len = n_rates;
ra->phy.bw = sta->bandwidth;
if (n_rates) {
if (band == NL80211_BAND_2GHZ) {
ra->supp_mode = MODE_CCK;
ra->supp_cck_rate = supp_rate & GENMASK(3, 0);
ra->phy.type = MT_PHY_TYPE_CCK;
if (n_rates > 4) {
ra->supp_mode |= MODE_OFDM;
ra->supp_ofdm_rate = supp_rate >> 4;
ra->phy.type = MT_PHY_TYPE_OFDM;
}
} else {
ra->supp_mode = MODE_OFDM;
ra->supp_ofdm_rate = supp_rate;
ra->phy.type = MT_PHY_TYPE_OFDM;
}
}
if (sta->ht_cap.ht_supported) {
for (i = 0; i < nss; i++)
ra->ht_mcs[i] = sta->ht_cap.mcs.rx_mask[i];
ra->supp_ht_mcs = *(__le32 *)ra->ht_mcs;
ra->supp_mode |= MODE_HT;
mcs = hweight32(le32_to_cpu(ra->supp_ht_mcs)) - 1;
ra->af = sta->ht_cap.ampdu_factor;
ra->ht_gf = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD);
cap |= STA_CAP_HT;
if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20)
cap |= STA_CAP_SGI_20;
if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)
cap |= STA_CAP_SGI_40;
if (sta->ht_cap.cap & IEEE80211_HT_CAP_TX_STBC)
cap |= STA_CAP_TX_STBC;
if (sta->ht_cap.cap & IEEE80211_HT_CAP_RX_STBC)
cap |= STA_CAP_RX_STBC;
if (sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING)
cap |= STA_CAP_LDPC;
}
if (sta->vht_cap.vht_supported) {
u16 mcs_map = le16_to_cpu(sta->vht_cap.vht_mcs.rx_mcs_map);
u16 vht_mcs;
u8 af, mcs_prev;
af = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK,
sta->vht_cap.cap);
ra->af = max_t(u8, ra->af, af);
cap |= STA_CAP_VHT;
if (sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80)
cap |= STA_CAP_VHT_SGI_80;
if (sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_160)
cap |= STA_CAP_VHT_SGI_160;
if (sta->vht_cap.cap & IEEE80211_VHT_CAP_TXSTBC)
cap |= STA_CAP_VHT_TX_STBC;
if (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXSTBC_1)
cap |= STA_CAP_VHT_RX_STBC;
if (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC)
cap |= STA_CAP_VHT_LDPC;
ra->supp_mode |= MODE_VHT;
for (mcs = 0, i = 0; i < nss; i++, mcs_map >>= 2) {
switch (mcs_map & 0x3) {
case IEEE80211_VHT_MCS_SUPPORT_0_9:
vht_mcs = GENMASK(9, 0);
break;
case IEEE80211_VHT_MCS_SUPPORT_0_8:
vht_mcs = GENMASK(8, 0);
break;
case IEEE80211_VHT_MCS_SUPPORT_0_7:
vht_mcs = GENMASK(7, 0);
break;
default:
vht_mcs = 0;
}
ra->supp_vht_mcs[i] = cpu_to_le16(vht_mcs);
mcs_prev = hweight16(vht_mcs) - 1;
if (mcs_prev > mcs)
mcs = mcs_prev;
/* only support 2ss on 160MHz */
if (i > 1 && (ra->bw == CMD_CBW_160MHZ ||
ra->bw == CMD_CBW_8080MHZ))
break;
}
}
if (sta->he_cap.has_he) {
ra->supp_mode |= MODE_HE;
cap |= STA_CAP_HE;
}
ra->sta_status = cpu_to_le32(cap);
switch (BIT(fls(ra->supp_mode) - 1)) {
case MODE_VHT:
ra->phy.type = MT_PHY_TYPE_VHT;
ra->phy.mcs = mcs;
ra->phy.nss = nss;
ra->phy.stbc = !!(sta->vht_cap.cap & IEEE80211_VHT_CAP_TXSTBC);
ra->phy.ldpc = !!(sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC);
ra->phy.sgi =
!!(sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80);
break;
case MODE_HT:
ra->phy.type = MT_PHY_TYPE_HT;
ra->phy.mcs = mcs;
ra->phy.ldpc = sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING;
ra->phy.stbc = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_TX_STBC);
ra->phy.sgi = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20);
break;
default:
break;
}
}
int mt7915_mcu_add_rate_ctrl(struct mt7915_dev *dev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
struct sk_buff *skb;
int len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_ra);
skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
if (IS_ERR(skb))
return PTR_ERR(skb);
mt7915_mcu_sta_rate_ctrl_tlv(skb, dev, vif, sta);
return mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_EXT_CMD_STA_REC_UPDATE, true);
}
static int
mt7915_mcu_add_group(struct mt7915_dev *dev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
#define MT_STA_BSS_GROUP 1
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
struct {
__le32 action;
u8 wlan_idx_lo;
u8 status;
u8 wlan_idx_hi;
u8 rsv0[5];
__le32 val;
u8 rsv1[8];
} __packed req = {
.action = cpu_to_le32(MT_STA_BSS_GROUP),
.wlan_idx_lo = to_wcid_lo(msta->wcid.idx),
.wlan_idx_hi = to_wcid_hi(msta->wcid.idx),
.val = cpu_to_le32(mvif->idx % 16),
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_DRR_CTRL, &req,
sizeof(req), true);
}
int mt7915_mcu_add_sta_adv(struct mt7915_dev *dev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, bool enable)
{
int ret;
if (!sta)
return 0;
/* must keep the order */
ret = mt7915_mcu_add_group(dev, vif, sta);
if (ret)
return ret;
ret = mt7915_mcu_add_txbf(dev, vif, sta, enable);
if (ret)
return ret;
ret = mt7915_mcu_add_mu(dev, vif, sta);
if (ret)
return ret;
if (enable)
return mt7915_mcu_add_rate_ctrl(dev, vif, sta);
return 0;
}
int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, bool enable)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct wtbl_req_hdr *wtbl_hdr;
struct mt7915_sta *msta;
struct tlv *sta_wtbl;
struct sk_buff *skb;
msta = sta ? (struct mt7915_sta *)sta->drv_priv : &mvif->sta;
skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta,
MT7915_STA_UPDATE_MAX_SIZE);
if (IS_ERR(skb))
return PTR_ERR(skb);
mt7915_mcu_sta_basic_tlv(skb, vif, sta, enable);
if (enable && sta)
mt7915_mcu_sta_tlv(dev, skb, sta, vif);
sta_wtbl = mt7915_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
wtbl_hdr = mt7915_mcu_alloc_wtbl_req(dev, msta, WTBL_RESET_AND_SET,
sta_wtbl, &skb);
if (enable) {
mt7915_mcu_wtbl_generic_tlv(skb, vif, sta, sta_wtbl, wtbl_hdr);
mt7915_mcu_wtbl_hdr_trans_tlv(skb, vif, sta, sta_wtbl, wtbl_hdr);
if (sta)
mt7915_mcu_wtbl_ht_tlv(skb, sta, sta_wtbl, wtbl_hdr);
}
return mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_EXT_CMD_STA_REC_UPDATE, true);
}
int mt7915_mcu_set_fixed_rate(struct mt7915_dev *dev,
struct ieee80211_sta *sta, u32 rate)
{
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
struct mt7915_vif *mvif = msta->vif;
struct sta_rec_ra_fixed *ra;
struct sk_buff *skb;
struct tlv *tlv;
int len = sizeof(struct sta_req_hdr) + sizeof(*ra);
skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
if (IS_ERR(skb))
return PTR_ERR(skb);
tlv = mt7915_mcu_add_tlv(skb, STA_REC_RA_UPDATE, sizeof(*ra));
ra = (struct sta_rec_ra_fixed *)tlv;
if (!rate) {
ra->field = cpu_to_le32(RATE_PARAM_AUTO);
goto out;
} else {
ra->field = cpu_to_le32(RATE_PARAM_FIXED);
}
ra->phy.type = FIELD_GET(RATE_CFG_PHY_TYPE, rate);
ra->phy.bw = FIELD_GET(RATE_CFG_BW, rate);
ra->phy.nss = FIELD_GET(RATE_CFG_NSS, rate);
ra->phy.mcs = FIELD_GET(RATE_CFG_MCS, rate);
ra->phy.stbc = FIELD_GET(RATE_CFG_STBC, rate);
if (ra->phy.bw)
ra->phy.ldpc = 7;
else
ra->phy.ldpc = FIELD_GET(RATE_CFG_LDPC, rate) * 7;
/* HT/VHT - SGI: 1, LGI: 0; HE - SGI: 0, MGI: 1, LGI: 2 */
if (ra->phy.type > MT_PHY_TYPE_VHT)
ra->phy.sgi = ra->phy.mcs * 85;
else
ra->phy.sgi = ra->phy.mcs * 15;
out:
return mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_EXT_CMD_STA_REC_UPDATE, true);
}
int mt7915_mcu_add_dev_info(struct mt7915_phy *phy,
struct ieee80211_vif *vif, bool enable)
{
struct mt7915_dev *dev = phy->dev;
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct {
struct req_hdr {
u8 omac_idx;
u8 dbdc_idx;
__le16 tlv_num;
u8 is_tlv_append;
u8 rsv[3];
} __packed hdr;
struct req_tlv {
__le16 tag;
__le16 len;
u8 active;
u8 dbdc_idx;
u8 omac_addr[ETH_ALEN];
} __packed tlv;
} data = {
.hdr = {
.omac_idx = mvif->omac_idx,
.dbdc_idx = mvif->band_idx,
.tlv_num = cpu_to_le16(1),
.is_tlv_append = 1,
},
.tlv = {
.tag = cpu_to_le16(DEV_INFO_ACTIVE),
.len = cpu_to_le16(sizeof(struct req_tlv)),
.active = enable,
.dbdc_idx = mvif->band_idx,
},
};
if (mvif->omac_idx >= REPEATER_BSSID_START)
return mt7915_mcu_muar_config(phy, vif, false, enable);
memcpy(data.tlv.omac_addr, vif->addr, ETH_ALEN);
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_DEV_INFO_UPDATE,
&data, sizeof(data), true);
}
static void
mt7915_mcu_beacon_csa(struct sk_buff *rskb, struct sk_buff *skb,
struct bss_info_bcn *bcn,
struct ieee80211_mutable_offsets *offs)
{
if (offs->cntdwn_counter_offs[0]) {
struct tlv *tlv;
struct bss_info_bcn_csa *csa;
tlv = mt7915_mcu_add_nested_subtlv(rskb, BSS_INFO_BCN_CSA,
sizeof(*csa), &bcn->sub_ntlv,
&bcn->len);
csa = (struct bss_info_bcn_csa *)tlv;
csa->cnt = skb->data[offs->cntdwn_counter_offs[0]];
}
}
static void
mt7915_mcu_beacon_cont(struct mt7915_dev *dev, struct sk_buff *rskb,
struct sk_buff *skb, struct bss_info_bcn *bcn,
struct ieee80211_mutable_offsets *offs)
{
struct mt76_wcid *wcid = &dev->mt76.global_wcid;
struct bss_info_bcn_cont *cont;
struct tlv *tlv;
u8 *buf;
int len = sizeof(*cont) + MT_TXD_SIZE + skb->len;
tlv = mt7915_mcu_add_nested_subtlv(rskb, BSS_INFO_BCN_CONTENT,
len, &bcn->sub_ntlv, &bcn->len);
cont = (struct bss_info_bcn_cont *)tlv;
cont->pkt_len = cpu_to_le16(MT_TXD_SIZE + skb->len);
cont->tim_ofs = cpu_to_le16(offs->tim_offset);
if (offs->cntdwn_counter_offs[0])
cont->csa_ofs = cpu_to_le16(offs->cntdwn_counter_offs[0] - 4);
buf = (u8 *)tlv + sizeof(*cont);
mt7915_mac_write_txwi(dev, (__le32 *)buf, skb, wcid, NULL,
true);
memcpy(buf + MT_TXD_SIZE, skb->data, skb->len);
}
int mt7915_mcu_add_beacon(struct ieee80211_hw *hw,
struct ieee80211_vif *vif, int en)
{
#define MAX_BEACON_SIZE 512
struct mt7915_dev *dev = mt7915_hw_dev(hw);
struct mt7915_phy *phy = mt7915_hw_phy(hw);
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct ieee80211_mutable_offsets offs;
struct ieee80211_tx_info *info;
struct sk_buff *skb, *rskb;
struct tlv *tlv;
struct bss_info_bcn *bcn;
int len = MT7915_BEACON_UPDATE_SIZE + MAX_BEACON_SIZE;
skb = ieee80211_beacon_get_template(hw, vif, &offs);
if (!skb)
return -EINVAL;
if (skb->len > MAX_BEACON_SIZE - MT_TXD_SIZE) {
dev_err(dev->mt76.dev, "Bcn size limit exceed\n");
dev_kfree_skb(skb);
return -EINVAL;
}
rskb = mt7915_mcu_alloc_sta_req(dev, mvif, NULL, len);
if (IS_ERR(rskb)) {
dev_kfree_skb(skb);
return PTR_ERR(rskb);
}
tlv = mt7915_mcu_add_tlv(rskb, BSS_INFO_OFFLOAD, sizeof(*bcn));
bcn = (struct bss_info_bcn *)tlv;
bcn->enable = en;
if (mvif->band_idx) {
info = IEEE80211_SKB_CB(skb);
info->hw_queue |= MT_TX_HW_QUEUE_EXT_PHY;
}
/* TODO: subtag - bss color count & 11v MBSSID */
mt7915_mcu_beacon_csa(rskb, skb, bcn, &offs);
mt7915_mcu_beacon_cont(dev, rskb, skb, bcn, &offs);
dev_kfree_skb(skb);
return mt76_mcu_skb_send_msg(&phy->dev->mt76, rskb,
MCU_EXT_CMD_BSS_INFO_UPDATE, true);
}
static int mt7915_mcu_start_firmware(struct mt7915_dev *dev, u32 addr,
u32 option)
{
struct {
__le32 option;
__le32 addr;
} req = {
.option = cpu_to_le32(option),
.addr = cpu_to_le32(addr),
};
return mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_FW_START_REQ, &req,
sizeof(req), true);
}
static int mt7915_mcu_restart(struct mt76_dev *dev)
{
struct {
u8 power_mode;
u8 rsv[3];
} req = {
.power_mode = 1,
};
return mt76_mcu_send_msg(dev, -MCU_CMD_NIC_POWER_CTRL, &req,
sizeof(req), false);
}
static int mt7915_mcu_patch_sem_ctrl(struct mt7915_dev *dev, bool get)
{
struct {
__le32 op;
} req = {
.op = cpu_to_le32(get ? PATCH_SEM_GET : PATCH_SEM_RELEASE),
};
return mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_PATCH_SEM_CONTROL, &req,
sizeof(req), true);
}
static int mt7915_mcu_start_patch(struct mt7915_dev *dev)
{
struct {
u8 check_crc;
u8 reserved[3];
} req = {
.check_crc = 0,
};
return mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_PATCH_FINISH_REQ, &req,
sizeof(req), true);
}
static int mt7915_driver_own(struct mt7915_dev *dev)
{
u32 reg = mt7915_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0);
mt76_wr(dev, reg, MT_TOP_LPCR_HOST_DRV_OWN);
if (!mt76_poll_msec(dev, reg, MT_TOP_LPCR_HOST_FW_OWN,
0, 500)) {
dev_err(dev->mt76.dev, "Timeout for driver own\n");
return -EIO;
}
return 0;
}
static int mt7915_mcu_init_download(struct mt7915_dev *dev, u32 addr,
u32 len, u32 mode)
{
struct {
__le32 addr;
__le32 len;
__le32 mode;
} req = {
.addr = cpu_to_le32(addr),
.len = cpu_to_le32(len),
.mode = cpu_to_le32(mode),
};
int attr;
if (req.addr == cpu_to_le32(MCU_PATCH_ADDRESS))
attr = -MCU_CMD_PATCH_START_REQ;
else
attr = -MCU_CMD_TARGET_ADDRESS_LEN_REQ;
return mt76_mcu_send_msg(&dev->mt76, attr, &req, sizeof(req), true);
}
static int mt7915_load_patch(struct mt7915_dev *dev)
{
const struct mt7915_patch_hdr *hdr;
const struct firmware *fw = NULL;
int i, ret, sem;
sem = mt7915_mcu_patch_sem_ctrl(dev, 1);
switch (sem) {
case PATCH_IS_DL:
return 0;
case PATCH_NOT_DL_SEM_SUCCESS:
break;
default:
dev_err(dev->mt76.dev, "Failed to get patch semaphore\n");
return -EAGAIN;
}
ret = request_firmware(&fw, MT7915_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 mt7915_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 mt7915_patch_sec *sec;
const u8 *dl;
u32 len, addr;
sec = (struct mt7915_patch_sec *)(fw->data + sizeof(*hdr) +
i * sizeof(*sec));
if ((be32_to_cpu(sec->type) & PATCH_SEC_TYPE_MASK) !=
PATCH_SEC_TYPE_INFO) {
ret = -EINVAL;
goto out;
}
addr = be32_to_cpu(sec->info.addr);
len = be32_to_cpu(sec->info.len);
dl = fw->data + be32_to_cpu(sec->offs);
ret = mt7915_mcu_init_download(dev, addr, len,
DL_MODE_NEED_RSP);
if (ret) {
dev_err(dev->mt76.dev, "Download request failed\n");
goto out;
}
ret = mt76_mcu_send_firmware(&dev->mt76, -MCU_CMD_FW_SCATTER,
dl, len);
if (ret) {
dev_err(dev->mt76.dev, "Failed to send patch\n");
goto out;
}
}
ret = mt7915_mcu_start_patch(dev);
if (ret)
dev_err(dev->mt76.dev, "Failed to start patch\n");
out:
sem = mt7915_mcu_patch_sem_ctrl(dev, 0);
switch (sem) {
case PATCH_REL_SEM_SUCCESS:
break;
default:
ret = -EAGAIN;
dev_err(dev->mt76.dev, "Failed to release patch semaphore\n");
goto out;
}
release_firmware(fw);
return ret;
}
static u32 mt7915_mcu_gen_dl_mode(u8 feature_set, bool is_wa)
{
u32 ret = 0;
ret |= (feature_set & FW_FEATURE_SET_ENCRYPT) ?
(DL_MODE_ENCRYPT | DL_MODE_RESET_SEC_IV) : 0;
ret |= FIELD_PREP(DL_MODE_KEY_IDX,
FIELD_GET(FW_FEATURE_SET_KEY_IDX, feature_set));
ret |= DL_MODE_NEED_RSP;
ret |= is_wa ? DL_MODE_WORKING_PDA_CR4 : 0;
return ret;
}
static int
mt7915_mcu_send_ram_firmware(struct mt7915_dev *dev,
const struct mt7915_fw_trailer *hdr,
const u8 *data, bool is_wa)
{
int i, offset = 0;
u32 override = 0, option = 0;
for (i = 0; i < hdr->n_region; i++) {
const struct mt7915_fw_region *region;
int err;
u32 len, addr, mode;
region = (const struct mt7915_fw_region *)((const u8 *)hdr -
(hdr->n_region - i) * sizeof(*region));
mode = mt7915_mcu_gen_dl_mode(region->feature_set, is_wa);
len = le32_to_cpu(region->len);
addr = le32_to_cpu(region->addr);
if (region->feature_set & FW_FEATURE_OVERRIDE_ADDR)
override = addr;
err = mt7915_mcu_init_download(dev, addr, len, mode);
if (err) {
dev_err(dev->mt76.dev, "Download request failed\n");
return err;
}
err = mt76_mcu_send_firmware(&dev->mt76, -MCU_CMD_FW_SCATTER,
data + offset, len);
if (err) {
dev_err(dev->mt76.dev, "Failed to send firmware.\n");
return err;
}
offset += len;
}
if (override)
option |= FW_START_OVERRIDE;
if (is_wa)
option |= FW_START_WORKING_PDA_CR4;
return mt7915_mcu_start_firmware(dev, override, option);
}
static int mt7915_load_ram(struct mt7915_dev *dev)
{
const struct mt7915_fw_trailer *hdr;
const struct firmware *fw;
int ret;
ret = request_firmware(&fw, MT7915_FIRMWARE_WM, dev->mt76.dev);
if (ret)
return ret;
if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
dev_err(dev->mt76.dev, "Invalid firmware\n");
ret = -EINVAL;
goto out;
}
hdr = (const struct mt7915_fw_trailer *)(fw->data + fw->size -
sizeof(*hdr));
dev_info(dev->mt76.dev, "WM Firmware Version: %.10s, Build Time: %.15s\n",
hdr->fw_ver, hdr->build_date);
ret = mt7915_mcu_send_ram_firmware(dev, hdr, fw->data, false);
if (ret) {
dev_err(dev->mt76.dev, "Failed to start WM firmware\n");
goto out;
}
release_firmware(fw);
ret = request_firmware(&fw, MT7915_FIRMWARE_WA, dev->mt76.dev);
if (ret)
return ret;
if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
dev_err(dev->mt76.dev, "Invalid firmware\n");
ret = -EINVAL;
goto out;
}
hdr = (const struct mt7915_fw_trailer *)(fw->data + fw->size -
sizeof(*hdr));
dev_info(dev->mt76.dev, "WA Firmware Version: %.10s, Build Time: %.15s\n",
hdr->fw_ver, hdr->build_date);
ret = mt7915_mcu_send_ram_firmware(dev, hdr, fw->data, true);
if (ret) {
dev_err(dev->mt76.dev, "Failed to start WA firmware\n");
goto out;
}
snprintf(dev->mt76.hw->wiphy->fw_version,
sizeof(dev->mt76.hw->wiphy->fw_version),
"%.10s-%.15s", hdr->fw_ver, hdr->build_date);
out:
release_firmware(fw);
return ret;
}
static int mt7915_load_firmware(struct mt7915_dev *dev)
{
int ret;
u32 val, reg = mt7915_reg_map_l1(dev, MT_TOP_MISC);
val = FIELD_PREP(MT_TOP_MISC_FW_STATE, FW_STATE_FW_DOWNLOAD);
if (!mt76_poll_msec(dev, reg, MT_TOP_MISC_FW_STATE, val, 1000)) {
/* restart firmware once */
__mt76_mcu_restart(&dev->mt76);
if (!mt76_poll_msec(dev, reg, MT_TOP_MISC_FW_STATE,
val, 1000)) {
dev_err(dev->mt76.dev,
"Firmware is not ready for download\n");
return -EIO;
}
}
ret = mt7915_load_patch(dev);
if (ret)
return ret;
ret = mt7915_load_ram(dev);
if (ret)
return ret;
if (!mt76_poll_msec(dev, reg, MT_TOP_MISC_FW_STATE,
FIELD_PREP(MT_TOP_MISC_FW_STATE,
FW_STATE_WACPU_RDY), 1000)) {
dev_err(dev->mt76.dev, "Timeout for initializing firmware\n");
return -EIO;
}
mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false);
dev_dbg(dev->mt76.dev, "Firmware init done\n");
return 0;
}
int mt7915_mcu_fw_log_2_host(struct mt7915_dev *dev, u8 ctrl)
{
struct {
u8 ctrl_val;
u8 pad[3];
} data = {
.ctrl_val = ctrl
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_FW_LOG_2_HOST, &data,
sizeof(data), true);
}
int mt7915_mcu_fw_dbg_ctrl(struct mt7915_dev *dev, u32 module, u8 level)
{
struct {
u8 ver;
u8 pad;
__le16 len;
u8 level;
u8 rsv[3];
__le32 module_idx;
} data = {
.module_idx = cpu_to_le32(module),
.level = level,
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_FW_DBG_CTRL, &data,
sizeof(data), false);
}
static int mt7915_mcu_set_mwds(struct mt7915_dev *dev, bool enabled)
{
struct {
u8 enable;
u8 _rsv[3];
} __packed req = {
.enable = enabled
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_MWDS_SUPPORT, &req,
sizeof(req), false);
}
int mt7915_mcu_init(struct mt7915_dev *dev)
{
static const struct mt76_mcu_ops mt7915_mcu_ops = {
.headroom = sizeof(struct mt7915_mcu_txd),
.mcu_skb_send_msg = mt7915_mcu_send_message,
.mcu_parse_response = mt7915_mcu_parse_response,
.mcu_restart = mt7915_mcu_restart,
};
int ret;
dev->mt76.mcu_ops = &mt7915_mcu_ops;
ret = mt7915_driver_own(dev);
if (ret)
return ret;
ret = mt7915_load_firmware(dev);
if (ret)
return ret;
set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
mt7915_mcu_fw_log_2_host(dev, 0);
mt7915_mcu_set_mwds(dev, 1);
return 0;
}
void mt7915_mcu_exit(struct mt7915_dev *dev)
{
u32 reg = mt7915_reg_map_l1(dev, MT_TOP_MISC);
__mt76_mcu_restart(&dev->mt76);
if (!mt76_poll_msec(dev, reg, MT_TOP_MISC_FW_STATE,
FIELD_PREP(MT_TOP_MISC_FW_STATE,
FW_STATE_FW_DOWNLOAD), 1000)) {
dev_err(dev->mt76.dev, "Failed to exit mcu\n");
return;
}
reg = mt7915_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0);
mt76_wr(dev, reg, MT_TOP_LPCR_HOST_FW_OWN);
skb_queue_purge(&dev->mt76.mcu.res_q);
}
int mt7915_mcu_set_mac(struct mt7915_dev *dev, int band,
bool enable, bool hdr_trans)
{
struct {
u8 operation;
u8 enable;
u8 check_bssid;
u8 insert_vlan;
u8 remove_vlan;
u8 tid;
u8 mode;
u8 rsv;
} __packed req_trans = {
.enable = hdr_trans,
};
struct {
u8 enable;
u8 band;
u8 rsv[2];
} __packed req_mac = {
.enable = enable,
.band = band,
};
int ret;
ret = mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_RX_HDR_TRANS,
&req_trans, sizeof(req_trans), false);
if (ret)
return ret;
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_MAC_INIT_CTRL,
&req_mac, sizeof(req_mac), true);
}
int mt7915_mcu_set_scs(struct mt7915_dev *dev, u8 band, bool enable)
{
struct {
__le32 cmd;
u8 band;
u8 enable;
} __packed req = {
.cmd = cpu_to_le32(SCS_ENABLE),
.band = band,
.enable = enable + 1,
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SCS_CTRL, &req,
sizeof(req), false);
}
int mt7915_mcu_set_rts_thresh(struct mt7915_phy *phy, u32 val)
{
struct mt7915_dev *dev = phy->dev;
struct {
u8 prot_idx;
u8 band;
u8 rsv[2];
__le32 len_thresh;
__le32 pkt_thresh;
} __packed req = {
.prot_idx = 1,
.band = phy != &dev->phy,
.len_thresh = cpu_to_le32(val),
.pkt_thresh = cpu_to_le32(0x2),
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_PROTECT_CTRL, &req,
sizeof(req), true);
}
int mt7915_mcu_set_tx(struct mt7915_dev *dev, struct ieee80211_vif *vif)
{
#define WMM_AIFS_SET BIT(0)
#define WMM_CW_MIN_SET BIT(1)
#define WMM_CW_MAX_SET BIT(2)
#define WMM_TXOP_SET BIT(3)
#define WMM_PARAM_SET GENMASK(3, 0)
#define TX_CMD_MODE 1
struct edca {
u8 queue;
u8 set;
u8 aifs;
u8 cw_min;
__le16 cw_max;
__le16 txop;
};
struct mt7915_mcu_tx {
u8 total;
u8 action;
u8 valid;
u8 mode;
struct edca edca[IEEE80211_NUM_ACS];
} __packed req = {
.valid = true,
.mode = TX_CMD_MODE,
.total = IEEE80211_NUM_ACS,
};
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
int ac;
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
struct ieee80211_tx_queue_params *q = &mvif->queue_params[ac];
struct edca *e = &req.edca[ac];
e->set = WMM_PARAM_SET;
e->queue = ac + mvif->wmm_idx * MT7915_MAX_WMM_SETS;
e->aifs = q->aifs;
e->txop = cpu_to_le16(q->txop);
if (q->cw_min)
e->cw_min = fls(q->cw_min);
else
e->cw_min = 5;
if (q->cw_max)
e->cw_max = cpu_to_le16(fls(q->cw_max));
else
e->cw_max = cpu_to_le16(10);
}
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EDCA_UPDATE, &req,
sizeof(req), true);
}
int mt7915_mcu_set_pm(struct mt7915_dev *dev, int band, int enter)
{
#define ENTER_PM_STATE 1
#define EXIT_PM_STATE 2
struct {
u8 pm_number;
u8 pm_state;
u8 bssid[ETH_ALEN];
u8 dtim_period;
u8 wlan_idx_lo;
__le16 bcn_interval;
__le32 aid;
__le32 rx_filter;
u8 band_idx;
u8 wlan_idx_hi;
u8 rsv[2];
__le32 feature;
u8 omac_idx;
u8 wmm_idx;
u8 bcn_loss_cnt;
u8 bcn_sp_duration;
} __packed req = {
.pm_number = 5,
.pm_state = (enter) ? ENTER_PM_STATE : EXIT_PM_STATE,
.band_idx = band,
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_PM_STATE_CTRL, &req,
sizeof(req), true);
}
int mt7915_mcu_rdd_cmd(struct mt7915_dev *dev,
enum mt7915_rdd_cmd cmd, u8 index,
u8 rx_sel, u8 val)
{
struct {
u8 ctrl;
u8 rdd_idx;
u8 rdd_rx_sel;
u8 val;
u8 rsv[4];
} __packed req = {
.ctrl = cmd,
.rdd_idx = index,
.rdd_rx_sel = rx_sel,
.val = val,
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_CTRL, &req,
sizeof(req), true);
}
int mt7915_mcu_set_fcc5_lpn(struct mt7915_dev *dev, int val)
{
struct {
__le32 tag;
__le16 min_lpn;
u8 rsv[2];
} __packed req = {
.tag = cpu_to_le32(0x1),
.min_lpn = cpu_to_le16(val),
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_TH, &req,
sizeof(req), true);
}
int mt7915_mcu_set_pulse_th(struct mt7915_dev *dev,
const struct mt7915_dfs_pulse *pulse)
{
struct {
__le32 tag;
__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_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_EXT_CMD_SET_RDD_TH, &req,
sizeof(req), true);
}
int mt7915_mcu_set_radar_th(struct mt7915_dev *dev, int index,
const struct mt7915_dfs_pattern *pattern)
{
struct {
__le32 tag;
__le16 radar_type;
u8 enb;
u8 stgr;
u8 min_crpn;
u8 max_crpn;
u8 min_crpr;
u8 min_pw;
u32 min_pri;
u32 max_pri;
u8 max_pw;
u8 min_crbn;
u8 max_crbn;
u8 min_stgpn;
u8 max_stgpn;
u8 min_stgpr;
u8 rsv[2];
u32 min_stgpr_diff;
} __packed req = {
.tag = 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_EXT_CMD_SET_RDD_TH, &req,
sizeof(req), true);
}
int mt7915_mcu_set_chan_info(struct mt7915_phy *phy, int cmd)
{
struct mt7915_dev *dev = phy->dev;
struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
int freq1 = chandef->center_freq1;
struct {
u8 control_ch;
u8 center_ch;
u8 bw;
u8 tx_streams_num;
u8 rx_streams; /* mask or num */
u8 switch_reason;
u8 band_idx;
u8 center_ch2; /* for 80+80 only */
__le16 cac_case;
u8 channel_band;
u8 rsv0;
__le32 outband_freq;
u8 txpower_drop;
u8 ap_bw;
u8 ap_center_ch;
u8 rsv1[57];
} __packed req = {
.control_ch = chandef->chan->hw_value,
.center_ch = ieee80211_frequency_to_channel(freq1),
.bw = mt7915_mcu_chan_bw(chandef),
.tx_streams_num = hweight8(phy->mt76->antenna_mask),
.rx_streams = phy->mt76->antenna_mask,
.band_idx = phy != &dev->phy,
.channel_band = chandef->chan->band,
};
#ifdef CONFIG_NL80211_TESTMODE
if (dev->mt76.test.tx_antenna_mask &&
(dev->mt76.test.state == MT76_TM_STATE_TX_FRAMES ||
dev->mt76.test.state == MT76_TM_STATE_RX_FRAMES)) {
req.tx_streams_num = fls(dev->mt76.test.tx_antenna_mask);
req.rx_streams = dev->mt76.test.tx_antenna_mask;
}
#endif
if (dev->mt76.hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD;
else if ((chandef->chan->flags & IEEE80211_CHAN_RADAR) &&
chandef->chan->dfs_state != NL80211_DFS_AVAILABLE)
req.switch_reason = CH_SWITCH_DFS;
else
req.switch_reason = CH_SWITCH_NORMAL;
if (cmd == MCU_EXT_CMD_CHANNEL_SWITCH)
req.rx_streams = hweight8(req.rx_streams);
if (chandef->width == NL80211_CHAN_WIDTH_80P80) {
int freq2 = chandef->center_freq2;
req.center_ch2 = ieee80211_frequency_to_channel(freq2);
}
return mt76_mcu_send_msg(&dev->mt76, cmd, &req, sizeof(req), true);
}
int mt7915_mcu_set_eeprom(struct mt7915_dev *dev)
{
struct req_hdr {
u8 buffer_mode;
u8 format;
__le16 len;
} __packed req = {
.buffer_mode = EE_MODE_EFUSE,
.format = EE_FORMAT_WHOLE,
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_BUFFER_MODE,
&req, sizeof(req), true);
}
int mt7915_mcu_get_eeprom(struct mt7915_dev *dev, u32 offset)
{
struct mt7915_mcu_eeprom_info req = {
.addr = cpu_to_le32(round_down(offset, 16)),
};
struct mt7915_mcu_eeprom_info *res;
struct sk_buff *skb;
int ret;
u8 *buf;
ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_ACCESS, &req,
sizeof(req), true, &skb);
if (ret)
return ret;
res = (struct mt7915_mcu_eeprom_info *)skb->data;
buf = dev->mt76.eeprom.data + le32_to_cpu(res->addr);
memcpy(buf, res->data, 16);
dev_kfree_skb(skb);
return 0;
}
int mt7915_mcu_get_temperature(struct mt7915_dev *dev, int index)
{
struct {
u8 ctrl_id;
u8 action;
u8 band;
u8 rsv[5];
} req = {
.ctrl_id = THERMAL_SENSOR_TEMP_QUERY,
.action = index,
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_THERMAL_CTRL, &req,
sizeof(req), true);
}
int mt7915_mcu_get_tx_rate(struct mt7915_dev *dev, u32 cmd, u16 wlan_idx)
{
struct {
__le32 cmd;
__le16 wlan_idx;
__le16 ru_idx;
__le16 direction;
__le16 dump_group;
} req = {
.cmd = cpu_to_le32(cmd),
.wlan_idx = cpu_to_le16(wlan_idx),
.dump_group = cpu_to_le16(1),
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_RATE_CTRL, &req,
sizeof(req), false);
}
int mt7915_mcu_set_sku(struct mt7915_phy *phy)
{
struct mt7915_dev *dev = phy->dev;
struct mt76_phy *mphy = phy->mt76;
struct ieee80211_hw *hw = mphy->hw;
struct mt7915_sku_val {
u8 format_id;
u8 limit_type;
u8 dbdc_idx;
s8 val[MT7915_SKU_RATE_NUM];
} __packed req = {
.format_id = 4,
.dbdc_idx = phy != &dev->phy,
};
int i;
s8 *delta;
delta = dev->rate_power[mphy->chandef.chan->band];
mphy->txpower_cur = hw->conf.power_level * 2 +
delta[MT7915_SKU_MAX_DELTA_IDX];
for (i = 0; i < MT7915_SKU_RATE_NUM; i++)
req.val[i] = hw->conf.power_level * 2 + delta[i];
return mt76_mcu_send_msg(&dev->mt76,
MCU_EXT_CMD_TX_POWER_FEATURE_CTRL, &req,
sizeof(req), true);
}
int mt7915_mcu_set_test_param(struct mt7915_dev *dev, u8 param, bool test_mode,
u8 en)
{
struct {
u8 test_mode_en;
u8 param_idx;
u8 _rsv[2];
u8 enable;
u8 _rsv2[3];
u8 pad[8];
} __packed req = {
.test_mode_en = test_mode,
.param_idx = param,
.enable = en,
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_ATE_CTRL, &req,
sizeof(req), false);
}
int mt7915_mcu_set_sku_en(struct mt7915_phy *phy, bool enable)
{
struct mt7915_dev *dev = phy->dev;
struct mt7915_sku {
u8 format_id;
u8 sku_enable;
u8 dbdc_idx;
u8 rsv;
} __packed req = {
.format_id = 0,
.dbdc_idx = phy != &dev->phy,
.sku_enable = enable,
};
return mt76_mcu_send_msg(&dev->mt76,
MCU_EXT_CMD_TX_POWER_FEATURE_CTRL, &req,
sizeof(req), true);
}
int mt7915_mcu_set_ser(struct mt7915_dev *dev, u8 action, u8 set, u8 band)
{
struct {
u8 action;
u8 set;
u8 band;
u8 rsv;
} req = {
.action = action,
.set = set,
.band = band,
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_SER_TRIGGER,
&req, sizeof(req), false);
}
int mt7915_mcu_set_txbf_type(struct mt7915_dev *dev)
{
#define MT_BF_TYPE_UPDATE 20
struct {
u8 action;
bool ebf;
bool ibf;
u8 rsv;
} __packed req = {
.action = MT_BF_TYPE_UPDATE,
.ebf = true,
.ibf = false,
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_TXBF_ACTION, &req,
sizeof(req), true);
}
int mt7915_mcu_set_txbf_sounding(struct mt7915_dev *dev)
{
#define MT_BF_PROCESSING 4
struct {
u8 action;
u8 snd_mode;
u8 sta_num;
u8 rsv;
u8 wlan_idx[4];
__le32 snd_period; /* ms */
} __packed req = {
.action = true,
.snd_mode = MT_BF_PROCESSING,
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_TXBF_ACTION, &req,
sizeof(req), true);
}
int mt7915_mcu_add_obss_spr(struct mt7915_dev *dev, struct ieee80211_vif *vif,
bool enable)
{
#define MT_SPR_ENABLE 1
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct {
u8 action;
u8 arg_num;
u8 band_idx;
u8 status;
u8 drop_tx_idx;
u8 sta_idx; /* 256 sta */
u8 rsv[2];
__le32 val;
} __packed req = {
.action = MT_SPR_ENABLE,
.arg_num = 1,
.band_idx = mvif->band_idx,
.val = cpu_to_le32(enable),
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_SPR, &req,
sizeof(req), true);
}
int mt7915_mcu_get_rx_rate(struct mt7915_phy *phy, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, struct rate_info *rate)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
struct mt7915_dev *dev = phy->dev;
struct mt76_phy *mphy = phy->mt76;
struct {
u8 category;
u8 band;
__le16 wcid;
} __packed req = {
.category = MCU_PHY_STATE_CONTENTION_RX_RATE,
.band = mvif->band_idx,
.wcid = cpu_to_le16(msta->wcid.idx),
};
struct ieee80211_supported_band *sband;
struct mt7915_mcu_phy_rx_info *res;
struct sk_buff *skb;
u16 flags = 0;
int ret;
int i;
ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_EXT_CMD_PHY_STAT_INFO,
&req, sizeof(req), true, &skb);
if (ret)
return ret;
res = (struct mt7915_mcu_phy_rx_info *)skb->data;
rate->mcs = res->rate;
rate->nss = res->nsts + 1;
switch (res->mode) {
case MT_PHY_TYPE_CCK:
case MT_PHY_TYPE_OFDM:
if (mphy->chandef.chan->band == NL80211_BAND_5GHZ)
sband = &mphy->sband_5g.sband;
else
sband = &mphy->sband_2g.sband;
for (i = 0; i < sband->n_bitrates; i++) {
if (rate->mcs != (sband->bitrates[i].hw_value & 0xf))
continue;
rate->legacy = sband->bitrates[i].bitrate;
break;
}
break;
case MT_PHY_TYPE_HT:
case MT_PHY_TYPE_HT_GF:
if (rate->mcs > 31)
return -EINVAL;
flags |= RATE_INFO_FLAGS_MCS;
if (res->gi)
flags |= RATE_INFO_FLAGS_SHORT_GI;
break;
case MT_PHY_TYPE_VHT:
flags |= RATE_INFO_FLAGS_VHT_MCS;
if (res->gi)
flags |= RATE_INFO_FLAGS_SHORT_GI;
break;
case MT_PHY_TYPE_HE_SU:
case MT_PHY_TYPE_HE_EXT_SU:
case MT_PHY_TYPE_HE_TB:
case MT_PHY_TYPE_HE_MU:
rate->he_gi = res->gi;
flags |= RATE_INFO_FLAGS_HE_MCS;
break;
default:
break;
}
rate->flags = flags;
switch (res->bw) {
case IEEE80211_STA_RX_BW_160:
rate->bw = RATE_INFO_BW_160;
break;
case IEEE80211_STA_RX_BW_80:
rate->bw = RATE_INFO_BW_80;
break;
case IEEE80211_STA_RX_BW_40:
rate->bw = RATE_INFO_BW_40;
break;
default:
rate->bw = RATE_INFO_BW_20;
break;
}
dev_kfree_skb(skb);
return 0;
}