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linuxdebug/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c

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null pointer error
2024-07-16 15:50:57 +02:00
// SPDX-License-Identifier: ISC
/* Copyright (C) 2020 MediaTek Inc. */
#include <linux/fs.h>
#include "mt7915.h"
#include "mcu.h"
#include "mac.h"
#include "eeprom.h"
#define fw_name(_dev, name, ...) ({ \
char *_fw; \
switch (mt76_chip(&(_dev)->mt76)) { \
case 0x7915: \
_fw = MT7915_##name; \
break; \
case 0x7986: \
_fw = MT7986_##name##__VA_ARGS__; \
break; \
default: \
_fw = MT7916_##name; \
break; \
} \
_fw; \
})
#define fw_name_var(_dev, name) (mt7915_check_adie(dev, false) ? \
fw_name(_dev, name) : \
fw_name(_dev, name, _MT7975))
#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)
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 void
mt7915_mcu_set_sta_he_mcs(struct ieee80211_sta *sta, __le16 *he_mcs,
u16 mcs_map)
{
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
struct mt7915_dev *dev = msta->vif->phy->dev;
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);
/* only support 2ss on 160MHz for mt7915 */
if (is_mt7915(&dev->mt76) && nss > 1 &&
sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160)
break;
}
*he_mcs = cpu_to_le16(mcs_map);
}
static void
mt7915_mcu_set_sta_vht_mcs(struct ieee80211_sta *sta, __le16 *vht_mcs,
const u16 *mask)
{
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
struct mt7915_dev *dev = msta->vif->phy->dev;
u16 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;
u16 mcs;
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]);
/* only support 2ss on 160MHz for mt7915 */
if (is_mt7915(&dev->mt76) && nss > 1 &&
sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160)
break;
}
}
static void
mt7915_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
mt7915_mcu_parse_response(struct mt76_dev *mdev, int cmd,
struct sk_buff *skb, int seq)
{
struct mt76_connac2_mcu_rxd *rxd;
int ret = 0;
if (!skb) {
dev_err(mdev->dev, "Message %08x (seq %d) timeout\n",
cmd, seq);
return -ETIMEDOUT;
}
rxd = (struct mt76_connac2_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 (cmd == MCU_EXT_CMD(THERMAL_CTRL)) {
skb_pull(skb, sizeof(*rxd) + 4);
ret = le32_to_cpu(*(__le32 *)skb->data);
} else {
skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
}
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);
enum mt76_mcuq_id qid;
int ret;
ret = mt76_connac2_mcu_fill_message(mdev, skb, cmd, wait_seq);
if (ret)
return ret;
if (cmd == MCU_CMD(FW_SCATTER))
qid = MT_MCUQ_FWDL;
else if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state))
qid = MT_MCUQ_WA;
else
qid = MT_MCUQ_WM;
return mt76_tx_queue_skb_raw(dev, mdev->q_mcu[qid], skb, 0);
}
int mt7915_mcu_wa_cmd(struct mt7915_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
mt7915_mcu_csa_finish(void *priv, u8 *mac, struct ieee80211_vif *vif)
{
if (vif->bss_conf.csa_active)
ieee80211_csa_finish(vif);
}
static void
mt7915_mcu_rx_csa_notify(struct mt7915_dev *dev, struct sk_buff *skb)
{
struct mt76_phy *mphy = &dev->mt76.phy;
struct mt7915_mcu_csa_notify *c;
c = (struct mt7915_mcu_csa_notify *)skb->data;
if ((c->band_idx && !dev->phy.band_idx) && dev->mt76.phys[MT_BAND1])
mphy = dev->mt76.phys[MT_BAND1];
ieee80211_iterate_active_interfaces_atomic(mphy->hw,
IEEE80211_IFACE_ITER_RESUME_ALL,
mt7915_mcu_csa_finish, mphy->hw);
}
static void
mt7915_mcu_rx_thermal_notify(struct mt7915_dev *dev, struct sk_buff *skb)
{
struct mt76_phy *mphy = &dev->mt76.phy;
struct mt7915_mcu_thermal_notify *t;
struct mt7915_phy *phy;
t = (struct mt7915_mcu_thermal_notify *)skb->data;
if (t->ctrl.ctrl_id != THERMAL_PROTECT_ENABLE)
return;
if ((t->ctrl.band_idx && !dev->phy.band_idx) && dev->mt76.phys[MT_BAND1])
mphy = dev->mt76.phys[MT_BAND1];
phy = (struct mt7915_phy *)mphy->priv;
phy->throttle_state = t->ctrl.duty.duty_cycle;
}
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->band_idx && !dev->phy.band_idx) && dev->mt76.phys[MT_BAND1])
mphy = dev->mt76.phys[MT_BAND1];
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
mt7915_mcu_rx_log_message(struct mt7915_dev *dev, struct sk_buff *skb)
{
struct mt76_connac2_mcu_rxd *rxd;
int len = skb->len - sizeof(*rxd);
const char *data, *type;
rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
data = (char *)&rxd[1];
switch (rxd->s2d_index) {
case 0:
if (mt7915_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
mt7915_mcu_cca_finish(void *priv, u8 *mac, struct ieee80211_vif *vif)
{
if (!vif->bss_conf.color_change_active)
return;
ieee80211_color_change_finish(vif);
}
static void
mt7915_mcu_rx_bcc_notify(struct mt7915_dev *dev, struct sk_buff *skb)
{
struct mt76_phy *mphy = &dev->mt76.phy;
struct mt7915_mcu_bcc_notify *b;
b = (struct mt7915_mcu_bcc_notify *)skb->data;
if ((b->band_idx && !dev->phy.band_idx) && dev->mt76.phys[MT_BAND1])
mphy = dev->mt76.phys[MT_BAND1];
ieee80211_iterate_active_interfaces_atomic(mphy->hw,
IEEE80211_IFACE_ITER_RESUME_ALL,
mt7915_mcu_cca_finish, mphy->hw);
}
static void
mt7915_mcu_rx_ext_event(struct mt7915_dev *dev, struct sk_buff *skb)
{
struct mt76_connac2_mcu_rxd *rxd;
rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
switch (rxd->ext_eid) {
case MCU_EXT_EVENT_THERMAL_PROTECT:
mt7915_mcu_rx_thermal_notify(dev, skb);
break;
case MCU_EXT_EVENT_RDD_REPORT:
mt7915_mcu_rx_radar_detected(dev, skb);
break;
case MCU_EXT_EVENT_CSA_NOTIFY:
mt7915_mcu_rx_csa_notify(dev, skb);
break;
case MCU_EXT_EVENT_FW_LOG_2_HOST:
mt7915_mcu_rx_log_message(dev, skb);
break;
case MCU_EXT_EVENT_BCC_NOTIFY:
mt7915_mcu_rx_bcc_notify(dev, skb);
break;
default:
break;
}
}
static void
mt7915_mcu_rx_unsolicited_event(struct mt7915_dev *dev, struct sk_buff *skb)
{
struct mt76_connac2_mcu_rxd *rxd;
rxd = (struct mt76_connac2_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 mt76_connac2_mcu_rxd *rxd;
rxd = (struct mt76_connac2_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_BCC_NOTIFY ||
!rxd->seq)
mt7915_mcu_rx_unsolicited_event(dev, skb);
else
mt76_mcu_rx_event(&dev->mt76, skb);
}
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 **/
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;
rcu_read_lock();
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;
rcu_read_unlock();
}
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 = mt76_connac_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 = mt76_connac_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 mt76_phy *mphy = phy->mt76;
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)
{
int max_nss = hweight8(phy->mt76->chainmask);
struct bss_info_ra *ra;
struct tlv *tlv;
tlv = mt76_connac_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 = mt76_connac_get_he_phy_cap(phy->mt76, vif);
tlv = mt76_connac_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 = mt76_connac_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_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 = mt76_connac_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->mt76.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 mt7915_dev *dev = phy->dev;
struct sk_buff *skb;
if (mvif->mt76.omac_idx >= REPEATER_BSSID_START) {
mt7915_mcu_muar_config(phy, vif, false, enable);
mt7915_mcu_muar_config(phy, vif, true, enable);
}
skb = __mt76_connac_mcu_alloc_sta_req(&dev->mt76, &mvif->mt76, NULL,
MT7915_BSS_UPDATE_MAX_SIZE);
if (IS_ERR(skb))
return PTR_ERR(skb);
/* bss_omac must be first */
if (enable)
mt76_connac_mcu_bss_omac_tlv(skb, vif);
mt76_connac_mcu_bss_basic_tlv(skb, vif, NULL, phy->mt76,
mvif->sta.wcid.idx, enable);
if (vif->type == NL80211_IFTYPE_MONITOR)
goto out;
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->mt76.omac_idx >= EXT_BSSID_START &&
mvif->mt76.omac_idx < REPEATER_BSSID_START)
mt76_connac_mcu_bss_ext_tlv(skb, &mvif->mt76);
}
out:
return mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_EXT_CMD(BSS_INFO_UPDATE), true);
}
/** starec & wtbl **/
int mt7915_mcu_add_tx_ba(struct mt7915_dev *dev,
struct ieee80211_ampdu_params *params,
bool enable)
{
struct mt7915_sta *msta = (struct mt7915_sta *)params->sta->drv_priv;
struct mt7915_vif *mvif = msta->vif;
if (enable && !params->amsdu)
msta->wcid.amsdu = false;
return mt76_connac_mcu_sta_ba(&dev->mt76, &mvif->mt76, params,
MCU_EXT_CMD(STA_REC_UPDATE),
enable, true);
}
int mt7915_mcu_add_rx_ba(struct mt7915_dev *dev,
struct ieee80211_ampdu_params *params,
bool enable)
{
struct mt7915_sta *msta = (struct mt7915_sta *)params->sta->drv_priv;
struct mt7915_vif *mvif = msta->vif;
return mt76_connac_mcu_sta_ba(&dev->mt76, &mvif->mt76, params,
MCU_EXT_CMD(STA_REC_UPDATE),
enable, false);
}
static void
mt7915_mcu_sta_he_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
struct ieee80211_vif *vif)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
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 *he;
struct tlv *tlv;
u32 cap = 0;
if (!sta->deflink.he_cap.has_he)
return;
tlv = mt76_connac_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_AMSDU_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 (mvif->cap.he_ldpc &&
(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_TRIG_CQI_FB)
cap |= STA_REC_HE_CAP_TRIG_CQI_FK;
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_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);
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)
mt7915_mcu_set_sta_he_mcs(sta,
&he->max_nss_mcs[CMD_HE_MCS_BW8080],
le16_to_cpu(mcs_map.rx_mcs_80p80));
mt7915_mcu_set_sta_he_mcs(sta,
&he->max_nss_mcs[CMD_HE_MCS_BW160],
le16_to_cpu(mcs_map.rx_mcs_160));
fallthrough;
default:
mt7915_mcu_set_sta_he_mcs(sta,
&he->max_nss_mcs[CMD_HE_MCS_BW80],
le16_to_cpu(mcs_map.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_muru_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
struct ieee80211_sta *sta, struct ieee80211_vif *vif)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
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 = mvif->cap.he_mu_ebfer ||
mvif->cap.vht_mu_ebfer ||
mvif->cap.vht_mu_ebfee;
if (!is_mt7915(&dev->mt76))
muru->cfg.mimo_ul_en = true;
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]);
}
static void
mt7915_mcu_sta_ht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
{
struct sta_rec_ht *ht;
struct tlv *tlv;
if (!sta->deflink.ht_cap.ht_supported)
return;
tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HT, sizeof(*ht));
ht = (struct sta_rec_ht *)tlv;
ht->ht_cap = cpu_to_le16(sta->deflink.ht_cap.cap);
}
static void
mt7915_mcu_sta_vht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
{
struct sta_rec_vht *vht;
struct tlv *tlv;
if (!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
mt7915_mcu_sta_amsdu_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
struct ieee80211_vif *vif, struct ieee80211_sta *sta)
{
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
struct sta_rec_amsdu *amsdu;
struct tlv *tlv;
if (vif->type != NL80211_IFTYPE_STATION &&
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:
if (!is_mt7915(&dev->mt76)) {
amsdu->max_mpdu_size =
IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454;
return;
}
fallthrough;
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 int
mt7915_mcu_sta_wtbl_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
struct ieee80211_vif *vif, struct ieee80211_sta *sta)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct mt7915_sta *msta;
struct wtbl_req_hdr *wtbl_hdr;
struct mt76_wcid *wcid;
struct tlv *tlv;
msta = sta ? (struct mt7915_sta *)sta->drv_priv : &mvif->sta;
wcid = sta ? &msta->wcid : NULL;
tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
wtbl_hdr = mt76_connac_mcu_alloc_wtbl_req(&dev->mt76, &msta->wcid,
WTBL_RESET_AND_SET, tlv,
&skb);
if (IS_ERR(wtbl_hdr))
return PTR_ERR(wtbl_hdr);
mt76_connac_mcu_wtbl_generic_tlv(&dev->mt76, skb, vif, sta, tlv,
wtbl_hdr);
mt76_connac_mcu_wtbl_hdr_trans_tlv(skb, vif, wcid, tlv, wtbl_hdr);
if (sta)
mt76_connac_mcu_wtbl_ht_tlv(&dev->mt76, skb, sta, tlv,
wtbl_hdr, mvif->cap.ht_ldpc,
mvif->cap.vht_ldpc);
return 0;
}
static inline bool
mt7915_is_ebf_supported(struct mt7915_phy *phy, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, bool bfee)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
int tx_ant = hweight8(phy->mt76->chainmask) - 1;
if (vif->type != NL80211_IFTYPE_STATION &&
vif->type != NL80211_IFTYPE_AP)
return false;
if (!bfee && tx_ant < 2)
return false;
if (sta->deflink.he_cap.has_he) {
struct ieee80211_he_cap_elem *pe = &sta->deflink.he_cap.he_cap_elem;
if (bfee)
return mvif->cap.he_su_ebfee &&
HE_PHY(CAP3_SU_BEAMFORMER, pe->phy_cap_info[3]);
else
return mvif->cap.he_su_ebfer &&
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 mvif->cap.vht_su_ebfee &&
(cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE);
else
return mvif->cap.vht_su_ebfer &&
(cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE);
}
return false;
}
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 mt7915_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->chainmask) - 1;
bf->ncol = min_t(u8, bf->nrow, n);
bf->ibf_ncol = n;
}
static void
mt7915_mcu_sta_bfer_vht(struct ieee80211_sta *sta, struct mt7915_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 = mt7915_mcu_get_sta_nss(mcs_map);
u8 tx_ant = hweight8(phy->mt76->chainmask) - 1;
bf->tx_mode = MT_PHY_TYPE_VHT;
if (explicit) {
u8 sts, snd_dim;
mt7915_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
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->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 = mt7915_mcu_get_sta_nss(mcs_map);
u8 snd_dim, sts;
bf->tx_mode = MT_PHY_TYPE_HE_SU;
mt7915_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 = mt7915_mcu_get_sta_nss(mcs_map);
bf->ncol_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->ncol_bw160)
bf->ncol_bw160 = min_t(u8, bf->ncol_bw160, nss_mcs);
else
bf->ncol_bw160 = 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_bw160 = min_t(int, snd_dim, sts);
}
static void
mt7915_mcu_sta_bfer_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
struct ieee80211_vif *vif, struct ieee80211_sta *sta)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct mt7915_phy *phy = mvif->phy;
int tx_ant = hweight8(phy->mt76->chainmask) - 1;
struct sta_rec_bf *bf;
struct tlv *tlv;
const u8 matrix[4][4] = {
{0, 0, 0, 0},
{1, 1, 0, 0}, /* 2x1, 2x2, 2x3, 2x4 */
{2, 4, 4, 0}, /* 3x1, 3x2, 3x3, 3x4 */
{3, 5, 6, 0} /* 4x1, 4x2, 4x3, 4x4 */
};
bool ebf;
if (!(sta->deflink.ht_cap.ht_supported || sta->deflink.he_cap.has_he))
return;
ebf = mt7915_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: eBF only, in accordance with spec
* vht: support eBF and iBF
* ht: iBF only, since mac80211 lacks of eBF support
*/
if (sta->deflink.he_cap.has_he && ebf)
mt7915_mcu_sta_bfer_he(sta, vif, phy, bf);
else if (sta->deflink.vht_cap.vht_supported)
mt7915_mcu_sta_bfer_vht(sta, phy, bf, ebf);
else if (sta->deflink.ht_cap.ht_supported)
mt7915_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
mt7915_mcu_sta_bfee_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
struct ieee80211_vif *vif, struct ieee80211_sta *sta)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct mt7915_phy *phy = mvif->phy;
int tx_ant = hweight8(phy->mt76->chainmask) - 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 (!mt7915_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 enum mcu_mmps_mode
mt7915_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 mt7915_mcu_set_fixed_rate_ctrl(struct mt7915_dev *dev,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
void *data, u32 field)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
struct sta_phy *phy = data;
struct sta_rec_ra_fixed *ra;
struct sk_buff *skb;
struct tlv *tlv;
skb = mt76_connac_mcu_alloc_sta_req(&dev->mt76, &mvif->mt76,
&msta->wcid);
if (IS_ERR(skb))
return PTR_ERR(skb);
tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_RA_UPDATE, sizeof(*ra));
ra = (struct sta_rec_ra_fixed *)tlv;
switch (field) {
case RATE_PARAM_AUTO:
break;
case RATE_PARAM_FIXED:
case RATE_PARAM_FIXED_MCS:
case RATE_PARAM_FIXED_GI:
case RATE_PARAM_FIXED_HE_LTF:
if (phy)
ra->phy = *phy;
break;
case RATE_PARAM_MMPS_UPDATE:
ra->mmps_mode = mt7915_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_EXT_CMD(STA_REC_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;
int ret;
skb = mt76_connac_mcu_alloc_sta_req(&dev->mt76, &mvif->mt76,
&msta->wcid);
if (IS_ERR(skb))
return PTR_ERR(skb);
sta_wtbl = mt76_connac_mcu_add_tlv(skb, STA_REC_WTBL,
sizeof(struct tlv));
wtbl_hdr = mt76_connac_mcu_alloc_wtbl_req(&dev->mt76, &msta->wcid,
WTBL_SET, sta_wtbl, &skb);
if (IS_ERR(wtbl_hdr))
return PTR_ERR(wtbl_hdr);
mt76_connac_mcu_wtbl_smps_tlv(skb, sta, sta_wtbl, wtbl_hdr);
ret = mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_EXT_CMD(STA_REC_UPDATE), true);
if (ret)
return ret;
return mt7915_mcu_set_fixed_rate_ctrl(dev, vif, sta, NULL,
RATE_PARAM_MMPS_UPDATE);
}
static int
mt7915_mcu_add_rate_ctrl_fixed(struct mt7915_dev *dev,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct cfg80211_chan_def *chandef = &mvif->phy->mt76->chandef;
struct cfg80211_bitrate_mask *mask = &mvif->bitrate_mask;
enum nl80211_band band = chandef->chan->band;
struct sta_phy phy = {};
int ret, nrates = 0;
#define __sta_phy_bitrate_mask_check(_mcs, _gi, _ht, _he) \
do { \
u8 i, gi = mask->control[band]._gi; \
gi = (_he) ? gi : gi == NL80211_TXRATE_FORCE_SGI; \
for (i = 0; i <= sta->deflink.bandwidth; i++) { \
phy.sgi |= gi << (i << (_he)); \
phy.he_ltf |= mask->control[band].he_ltf << (i << (_he));\
} \
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 = mt7915_mcu_set_fixed_rate_ctrl(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 mt7915_sta *msta = (struct mt7915_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 = mt7915_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 = mt7915_mcu_set_fixed_rate_ctrl(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 = mt7915_mcu_set_fixed_rate_ctrl(dev, vif, sta, &phy,
RATE_PARAM_FIXED_HE_LTF);
if (ret)
return ret;
}
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 mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct mt76_phy *mphy = mvif->phy->mt76;
struct cfg80211_chan_def *chandef = &mphy->chandef;
struct cfg80211_bitrate_mask *mask = &mvif->bitrate_mask;
enum nl80211_band band = chandef->chan->band;
struct sta_rec_ra *ra;
struct tlv *tlv;
u32 supp_rate = sta->deflink.supp_rates[band];
u32 cap = sta->wme ? STA_CAP_WMM : 0;
tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_RA, sizeof(*ra));
ra = (struct sta_rec_ra *)tlv;
ra->valid = true;
ra->auto_rate = true;
ra->phy_mode = mt76_connac_get_phy_mode(mphy, vif, band, sta);
ra->channel = chandef->chan->hw_value;
ra->bw = sta->deflink.bandwidth;
ra->phy.bw = sta->deflink.bandwidth;
ra->mmps_mode = mt7915_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 (mvif->cap.ht_ldpc &&
(sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING))
cap |= STA_CAP_LDPC;
mt7915_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 (mvif->cap.vht_ldpc &&
(sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC))
cap |= STA_CAP_VHT_LDPC;
mt7915_mcu_set_sta_vht_mcs(sta, ra->supp_vht_mcs,
mask->control[band].vht_mcs);
}
if (sta->deflink.he_cap.has_he) {
ra->supp_mode |= MODE_HE;
cap |= STA_CAP_HE;
if (sta->deflink.he_6ghz_capa.capa)
ra->af = le16_get_bits(sta->deflink.he_6ghz_capa.capa,
IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP);
}
ra->sta_cap = cpu_to_le32(cap);
}
int mt7915_mcu_add_rate_ctrl(struct mt7915_dev *dev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, bool changed)
{
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 ret;
skb = mt76_connac_mcu_alloc_sta_req(&dev->mt76, &mvif->mt76,
&msta->wcid);
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)
mt7915_mcu_sta_he_tlv(skb, sta, vif);
/* sta_rec_ra accommodates BW, NSS and only MCS range format
* i.e 0-{7,8,9} for VHT.
*/
mt7915_mcu_sta_rate_ctrl_tlv(skb, dev, vif, sta);
ret = mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_EXT_CMD(STA_REC_UPDATE), true);
if (ret)
return ret;
/* sta_rec_ra_fixed accommodates single rate, (HE)GI and HE_LTE,
* and updates as peer fixed rate parameters, which overrides
* sta_rec_ra and firmware rate control algorithm.
*/
return mt7915_mcu_add_rate_ctrl_fixed(dev, vif, sta);
}
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 {
__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),
.val = cpu_to_le32(mvif->mt76.idx % 16),
};
msta = sta ? (struct mt7915_sta *)sta->drv_priv : &mvif->sta;
req.wlan_idx_lo = to_wcid_lo(msta->wcid.idx);
req.wlan_idx_hi = to_wcid_hi(msta->wcid.idx);
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(SET_DRR_CTRL), &req,
sizeof(req), true);
}
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 mt7915_sta *msta;
struct sk_buff *skb;
int ret;
msta = sta ? (struct mt7915_sta *)sta->drv_priv : &mvif->sta;
skb = mt76_connac_mcu_alloc_sta_req(&dev->mt76, &mvif->mt76,
&msta->wcid);
if (IS_ERR(skb))
return PTR_ERR(skb);
/* starec basic */
mt76_connac_mcu_sta_basic_tlv(skb, vif, sta, enable,
!rcu_access_pointer(dev->mt76.wcid[msta->wcid.idx]));
if (!enable)
goto out;
/* tag order is in accordance with firmware dependency. */
if (sta) {
/* starec bfer */
mt7915_mcu_sta_bfer_tlv(dev, skb, vif, sta);
/* starec ht */
mt7915_mcu_sta_ht_tlv(skb, sta);
/* starec vht */
mt7915_mcu_sta_vht_tlv(skb, sta);
/* starec uapsd */
mt76_connac_mcu_sta_uapsd(skb, vif, sta);
}
ret = mt7915_mcu_sta_wtbl_tlv(dev, skb, vif, sta);
if (ret) {
dev_kfree_skb(skb);
return ret;
}
if (sta) {
/* starec amsdu */
mt7915_mcu_sta_amsdu_tlv(dev, skb, vif, sta);
/* starec he */
mt7915_mcu_sta_he_tlv(skb, sta, vif);
/* starec muru */
mt7915_mcu_sta_muru_tlv(dev, skb, sta, vif);
/* starec bfee */
mt7915_mcu_sta_bfee_tlv(dev, skb, vif, sta);
}
ret = mt7915_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_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->mt76.omac_idx,
.dbdc_idx = mvif->mt76.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->mt76.band_idx,
},
};
if (mvif->mt76.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_cntdwn(struct ieee80211_vif *vif, struct sk_buff *rskb,
struct sk_buff *skb, struct bss_info_bcn *bcn,
struct ieee80211_mutable_offsets *offs)
{
struct bss_info_bcn_cntdwn *info;
struct tlv *tlv;
int sub_tag;
if (!offs->cntdwn_counter_offs[0])
return;
sub_tag = vif->bss_conf.csa_active ? BSS_INFO_BCN_CSA : BSS_INFO_BCN_BCC;
tlv = mt7915_mcu_add_nested_subtlv(rskb, sub_tag, sizeof(*info),
&bcn->sub_ntlv, &bcn->len);
info = (struct bss_info_bcn_cntdwn *)tlv;
info->cnt = skb->data[offs->cntdwn_counter_offs[0]];
}
static void
mt7915_mcu_beacon_mbss(struct sk_buff *rskb, struct sk_buff *skb,
struct ieee80211_vif *vif, struct bss_info_bcn *bcn,
struct ieee80211_mutable_offsets *offs)
{
struct bss_info_bcn_mbss *mbss;
const struct element *elem;
struct tlv *tlv;
if (!vif->bss_conf.bssid_indicator)
return;
tlv = mt7915_mcu_add_nested_subtlv(rskb, BSS_INFO_BCN_MBSSID,
sizeof(*mbss), &bcn->sub_ntlv,
&bcn->len);
mbss = (struct bss_info_bcn_mbss *)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;
if (sub_elem->id || sub_elem->datalen < 4)
continue; /* not a valid BSS profile */
/* 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
mt7915_mcu_beacon_cont(struct mt7915_dev *dev, struct ieee80211_vif *vif,
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;
len = (len & 0x3) ? ((len | 0x3) + 1) : 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]) {
u16 offset = offs->cntdwn_counter_offs[0];
if (vif->bss_conf.csa_active)
cont->csa_ofs = cpu_to_le16(offset - 4);
if (vif->bss_conf.color_change_active)
cont->bcc_ofs = cpu_to_le16(offset - 3);
}
buf = (u8 *)tlv + sizeof(*cont);
mt7915_mac_write_txwi(&dev->mt76, (__le32 *)buf, skb, wcid, 0, NULL,
0, BSS_CHANGED_BEACON);
memcpy(buf + MT_TXD_SIZE, skb->data, skb->len);
}
static void
mt7915_mcu_beacon_check_caps(struct mt7915_phy *phy, struct ieee80211_vif *vif,
struct sk_buff *skb)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct mt7915_vif_cap *vc = &mvif->cap;
const struct ieee80211_he_cap_elem *he;
const struct ieee80211_vht_cap *vht;
const struct ieee80211_ht_cap *ht;
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data;
const u8 *ie;
u32 len, bc;
/* Check missing configuration options to allow AP mode in mac80211
* to remain in sync with hostapd settings, and get a subset of
* beacon and hardware capabilities.
*/
if (WARN_ON_ONCE(skb->len <= (mgmt->u.beacon.variable - skb->data)))
return;
memset(vc, 0, sizeof(*vc));
len = skb->len - (mgmt->u.beacon.variable - skb->data);
ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, mgmt->u.beacon.variable,
len);
if (ie && ie[1] >= sizeof(*ht)) {
ht = (void *)(ie + 2);
vc->ht_ldpc = !!(le16_to_cpu(ht->cap_info) &
IEEE80211_HT_CAP_LDPC_CODING);
}
ie = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, mgmt->u.beacon.variable,
len);
if (ie && ie[1] >= sizeof(*vht)) {
u32 pc = phy->mt76->sband_5g.sband.vht_cap.cap;
vht = (void *)(ie + 2);
bc = le32_to_cpu(vht->vht_cap_info);
vc->vht_ldpc = !!(bc & IEEE80211_VHT_CAP_RXLDPC);
vc->vht_su_ebfer =
(bc & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE) &&
(pc & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE);
vc->vht_su_ebfee =
(bc & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE) &&
(pc & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE);
vc->vht_mu_ebfer =
(bc & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE) &&
(pc & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE);
vc->vht_mu_ebfee =
(bc & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE) &&
(pc & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE);
}
ie = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY,
mgmt->u.beacon.variable, len);
if (ie && ie[1] >= sizeof(*he) + 1) {
const struct ieee80211_sta_he_cap *pc =
mt76_connac_get_he_phy_cap(phy->mt76, vif);
const struct ieee80211_he_cap_elem *pe = &pc->he_cap_elem;
he = (void *)(ie + 3);
vc->he_ldpc =
HE_PHY(CAP1_LDPC_CODING_IN_PAYLOAD, pe->phy_cap_info[1]);
vc->he_su_ebfer =
HE_PHY(CAP3_SU_BEAMFORMER, he->phy_cap_info[3]) &&
HE_PHY(CAP3_SU_BEAMFORMER, pe->phy_cap_info[3]);
vc->he_su_ebfee =
HE_PHY(CAP4_SU_BEAMFORMEE, he->phy_cap_info[4]) &&
HE_PHY(CAP4_SU_BEAMFORMEE, pe->phy_cap_info[4]);
vc->he_mu_ebfer =
HE_PHY(CAP4_MU_BEAMFORMER, he->phy_cap_info[4]) &&
HE_PHY(CAP4_MU_BEAMFORMER, pe->phy_cap_info[4]);
}
}
static void
mt7915_mcu_beacon_inband_discov(struct mt7915_dev *dev, struct ieee80211_vif *vif,
struct sk_buff *rskb, struct bss_info_bcn *bcn,
u32 changed)
{
#define OFFLOAD_TX_MODE_SU BIT(0)
#define OFFLOAD_TX_MODE_MU BIT(1)
struct ieee80211_hw *hw = mt76_hw(dev);
struct mt7915_phy *phy = mt7915_hw_phy(hw);
struct mt7915_vif *mvif = (struct mt7915_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_info_inband_discovery *discov;
struct ieee80211_tx_info *info;
struct sk_buff *skb = NULL;
struct tlv *tlv;
bool ext_phy = phy != &dev->phy;
u8 *buf, interval;
int len;
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)
return;
info = IEEE80211_SKB_CB(skb);
info->control.vif = vif;
info->band = band;
info->hw_queue |= FIELD_PREP(MT_TX_HW_QUEUE_PHY, ext_phy);
len = sizeof(*discov) + MT_TXD_SIZE + skb->len;
len = (len & 0x3) ? ((len | 0x3) + 1) : len;
if (len > (MT7915_MAX_BSS_OFFLOAD_SIZE - rskb->len)) {
dev_err(dev->mt76.dev, "inband discovery size limit exceed\n");
dev_kfree_skb(skb);
return;
}
tlv = mt7915_mcu_add_nested_subtlv(rskb, BSS_INFO_BCN_DISCOV,
len, &bcn->sub_ntlv, &bcn->len);
discov = (struct bss_info_inband_discovery *)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;
buf = (u8 *)tlv + sizeof(*discov);
mt7915_mac_write_txwi(&dev->mt76, (__le32 *)buf, skb, wcid, 0, NULL,
0, changed);
memcpy(buf + MT_TXD_SIZE, skb->data, skb->len);
dev_kfree_skb(skb);
}
int mt7915_mcu_add_beacon(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
int en, u32 changed)
{
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_MAX_BSS_OFFLOAD_SIZE;
bool ext_phy = phy != &dev->phy;
if (vif->bss_conf.nontransmitted)
return 0;
rskb = __mt76_connac_mcu_alloc_sta_req(&dev->mt76, &mvif->mt76,
NULL, len);
if (IS_ERR(rskb))
return PTR_ERR(rskb);
tlv = mt76_connac_mcu_add_tlv(rskb, BSS_INFO_OFFLOAD, sizeof(*bcn));
bcn = (struct bss_info_bcn *)tlv;
bcn->enable = en;
if (!en)
goto out;
skb = ieee80211_beacon_get_template(hw, vif, &offs, 0);
if (!skb)
return -EINVAL;
if (skb->len > MT7915_MAX_BEACON_SIZE - MT_TXD_SIZE) {
dev_err(dev->mt76.dev, "Bcn size limit exceed\n");
dev_kfree_skb(skb);
return -EINVAL;
}
info = IEEE80211_SKB_CB(skb);
info->hw_queue = FIELD_PREP(MT_TX_HW_QUEUE_PHY, ext_phy);
mt7915_mcu_beacon_check_caps(phy, vif, skb);
mt7915_mcu_beacon_cntdwn(vif, rskb, skb, bcn, &offs);
mt7915_mcu_beacon_mbss(rskb, skb, vif, bcn, &offs);
mt7915_mcu_beacon_cont(dev, vif, rskb, skb, bcn, &offs);
dev_kfree_skb(skb);
if (changed & BSS_CHANGED_UNSOL_BCAST_PROBE_RESP ||
changed & BSS_CHANGED_FILS_DISCOVERY)
mt7915_mcu_beacon_inband_discov(dev, vif, rskb,
bcn, changed);
out:
return mt76_mcu_skb_send_msg(&phy->dev->mt76, rskb,
MCU_EXT_CMD(BSS_INFO_UPDATE), true);
}
static int mt7915_driver_own(struct mt7915_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 int
mt7915_firmware_state(struct mt7915_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 mt7915_load_firmware(struct mt7915_dev *dev)
{
int ret;
/* make sure fw is download state */
if (mt7915_firmware_state(dev, false)) {
/* restart firmware once */
__mt76_mcu_restart(&dev->mt76);
ret = mt7915_firmware_state(dev, false);
if (ret) {
dev_err(dev->mt76.dev,
"Firmware is not ready for download\n");
return ret;
}
}
ret = mt76_connac2_load_patch(&dev->mt76, fw_name_var(dev, ROM_PATCH));
if (ret)
return ret;
ret = mt76_connac2_load_ram(&dev->mt76, fw_name_var(dev, FIRMWARE_WM),
fw_name(dev, FIRMWARE_WA));
if (ret)
return ret;
ret = mt7915_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 mt7915_mcu_fw_log_2_host(struct mt7915_dev *dev, u8 type, u8 ctrl)
{
struct {
u8 ctrl_val;
u8 pad[3];
} data = {
.ctrl_val = ctrl
};
if (type == MCU_FW_LOG_WA)
return mt76_mcu_send_msg(&dev->mt76, MCU_WA_EXT_CMD(FW_LOG_2_HOST),
&data, sizeof(data), true);
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);
}
int mt7915_mcu_muru_debug_set(struct mt7915_dev *dev, bool enabled)
{
struct {
__le32 cmd;
u8 enable;
} data = {
.cmd = cpu_to_le32(MURU_SET_TXC_TX_STATS_EN),
.enable = enabled,
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(MURU_CTRL), &data,
sizeof(data), false);
}
int mt7915_mcu_muru_debug_get(struct mt7915_phy *phy, void *ms)
{
struct mt7915_dev *dev = phy->dev;
struct sk_buff *skb;
struct mt7915_mcu_muru_stats *mu_stats =
(struct mt7915_mcu_muru_stats *)ms;
int ret;
struct {
__le32 cmd;
u8 band_idx;
} req = {
.cmd = cpu_to_le32(MURU_GET_TXC_TX_STATS),
.band_idx = phy->band_idx,
};
ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_EXT_CMD(MURU_CTRL),
&req, sizeof(req), true, &skb);
if (ret)
return ret;
memcpy(mu_stats, skb->data, sizeof(struct mt7915_mcu_muru_stats));
dev_kfree_skb(skb);
return 0;
}
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_WA_EXT_CMD(MWDS_SUPPORT), &req,
sizeof(req), false);
}
int mt7915_mcu_set_muru_ctrl(struct mt7915_dev *dev, u32 cmd, u32 val)
{
struct {
__le32 cmd;
u8 val[4];
} __packed req = {
.cmd = cpu_to_le32(cmd),
};
put_unaligned_le32(val, req.val);
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(MURU_CTRL), &req,
sizeof(req), false);
}
static int
mt7915_mcu_init_rx_airtime(struct mt7915_dev *dev)
{
#define RX_AIRTIME_FEATURE_CTRL 1
#define RX_AIRTIME_BITWISE_CTRL 2
#define RX_AIRTIME_CLEAR_EN 1
struct {
__le16 field;
__le16 sub_field;
__le32 set_status;
__le32 get_status;
u8 _rsv[12];
bool airtime_en;
bool mibtime_en;
bool earlyend_en;
u8 _rsv1[9];
bool airtime_clear;
bool mibtime_clear;
u8 _rsv2[98];
} __packed req = {
.field = cpu_to_le16(RX_AIRTIME_BITWISE_CTRL),
.sub_field = cpu_to_le16(RX_AIRTIME_CLEAR_EN),
.airtime_clear = true,
};
int ret;
ret = mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(RX_AIRTIME_CTRL), &req,
sizeof(req), true);
if (ret)
return ret;
req.field = cpu_to_le16(RX_AIRTIME_FEATURE_CTRL);
req.sub_field = cpu_to_le16(RX_AIRTIME_CLEAR_EN);
req.airtime_en = true;
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(RX_AIRTIME_CTRL), &req,
sizeof(req), true);
}
int mt7915_mcu_init(struct mt7915_dev *dev)
{
static const struct mt76_mcu_ops mt7915_mcu_ops = {
.headroom = sizeof(struct mt76_connac2_mcu_txd),
.mcu_skb_send_msg = mt7915_mcu_send_message,
.mcu_parse_response = mt7915_mcu_parse_response,
.mcu_restart = mt76_connac_mcu_restart,
};
int ret;
dev->mt76.mcu_ops = &mt7915_mcu_ops;
/* 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 = mt7915_driver_own(dev, 0);
if (ret)
return ret;
/* set driver own for band1 when two hif exist */
if (dev->hif2) {
ret = mt7915_driver_own(dev, 1);
if (ret)
return ret;
}
ret = mt7915_load_firmware(dev);
if (ret)
return ret;
set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
ret = mt7915_mcu_fw_log_2_host(dev, MCU_FW_LOG_WM, 0);
if (ret)
return ret;
ret = mt7915_mcu_fw_log_2_host(dev, MCU_FW_LOG_WA, 0);
if (ret)
return ret;
if (mtk_wed_device_active(&dev->mt76.mmio.wed))
mt7915_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(CAPABILITY), 0, 0, 0);
ret = mt7915_mcu_set_mwds(dev, 1);
if (ret)
return ret;
ret = mt7915_mcu_set_muru_ctrl(dev, MURU_SET_PLATFORM_TYPE,
MURU_PLATFORM_TYPE_PERF_LEVEL_2);
if (ret)
return ret;
ret = mt7915_mcu_init_rx_airtime(dev);
if (ret)
return ret;
return mt7915_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(SET),
MCU_WA_PARAM_RED, 0, 0);
}
void mt7915_mcu_exit(struct mt7915_dev *dev)
{
__mt76_mcu_restart(&dev->mt76);
if (mt7915_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);
}
static int
mt7915_mcu_set_rx_hdr_trans_blacklist(struct mt7915_dev *dev, int band)
{
struct {
u8 operation;
u8 count;
u8 _rsv[2];
u8 index;
u8 enable;
__le16 etype;
} req = {
.operation = 1,
.count = 1,
.enable = 1,
.etype = cpu_to_le16(ETH_P_PAE),
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(RX_HDR_TRANS),
&req, sizeof(req), false);
}
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;
if (hdr_trans)
mt7915_mcu_set_rx_hdr_trans_blacklist(dev, band);
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(MAC_INIT_CTRL),
&req_mac, sizeof(req_mac), true);
}
int mt7915_mcu_update_edca(struct mt7915_dev *dev, void *param)
{
struct mt7915_mcu_tx *req = (struct mt7915_mcu_tx *)param;
u8 num = req->total;
size_t len = sizeof(*req) -
(IEEE80211_NUM_ACS - num) * sizeof(struct edca);
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(EDCA_UPDATE), req,
len, true);
}
int mt7915_mcu_set_tx(struct mt7915_dev *dev, struct ieee80211_vif *vif)
{
#define TX_CMD_MODE 1
struct mt7915_mcu_tx 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->mt76.wmm_idx * MT76_CONNAC_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 mt7915_mcu_update_edca(dev, &req);
}
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;
__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_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);
}
static int
mt7915_mcu_background_chain_ctrl(struct mt7915_phy *phy,
struct cfg80211_chan_def *chandef,
int cmd)
{
struct mt7915_dev *dev = phy->dev;
struct mt76_phy *mphy = phy->mt76;
struct ieee80211_channel *chan = mphy->chandef.chan;
int freq = mphy->chandef.center_freq1;
struct mt7915_mcu_background_chain_ctrl req = {
.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 != &dev->phy;
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 != &dev->phy;
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_EXT_CMD(OFFCH_SCAN_CTRL),
&req, sizeof(req), false);
}
int mt7915_mcu_rdd_background_enable(struct mt7915_phy *phy,
struct cfg80211_chan_def *chandef)
{
struct mt7915_dev *dev = phy->dev;
int err, region;
if (!chandef) { /* disable offchain */
err = mt76_connac_mcu_rdd_cmd(&dev->mt76, RDD_STOP, MT_RX_SEL2,
0, 0);
if (err)
return err;
return mt7915_mcu_background_chain_ctrl(phy, NULL,
CH_SWITCH_BACKGROUND_SCAN_STOP);
}
err = mt7915_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 mt76_connac_mcu_rdd_cmd(&dev->mt76, RDD_START, MT_RX_SEL2,
0, region);
}
int mt7915_mcu_set_chan_info(struct mt7915_phy *phy, int cmd)
{
static const u8 ch_band[] = {
[NL80211_BAND_2GHZ] = 0,
[NL80211_BAND_5GHZ] = 1,
[NL80211_BAND_6GHZ] = 2,
};
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 = mt76_connac_chan_bw(chandef),
.tx_streams_num = hweight8(phy->mt76->antenna_mask),
.rx_streams = phy->mt76->antenna_mask,
.band_idx = phy->band_idx,
.channel_band = ch_band[chandef->chan->band],
};
#ifdef CONFIG_NL80211_TESTMODE
if (phy->mt76->test.tx_antenna_mask &&
(phy->mt76->test.state == MT76_TM_STATE_TX_FRAMES ||
phy->mt76->test.state == MT76_TM_STATE_RX_FRAMES ||
phy->mt76->test.state == MT76_TM_STATE_TX_CONT)) {
req.tx_streams_num = fls(phy->mt76->test.tx_antenna_mask);
req.rx_streams = phy->mt76->test.tx_antenna_mask;
if (phy != &dev->phy)
req.rx_streams >>= dev->chainshift;
}
#endif
if (cmd == MCU_EXT_CMD(SET_RX_PATH) ||
dev->mt76.hw->conf.flags & IEEE80211_CONF_MONITOR)
req.switch_reason = CH_SWITCH_NORMAL;
else if (phy->mt76->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
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 (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);
}
static int mt7915_mcu_set_eeprom_flash(struct mt7915_dev *dev)
{
#define MAX_PAGE_IDX_MASK GENMASK(7, 5)
#define PAGE_IDX_MASK GENMASK(4, 2)
#define PER_PAGE_SIZE 0x400
struct mt7915_mcu_eeprom req = { .buffer_mode = EE_MODE_BUFFER };
u16 eeprom_size = mt7915_eeprom_size(dev);
u8 total = DIV_ROUND_UP(eeprom_size, PER_PAGE_SIZE);
u8 *eep = (u8 *)dev->mt76.eeprom.data;
int eep_len;
int i;
for (i = 0; i < total; i++, eep += eep_len) {
struct sk_buff *skb;
int ret;
if (i == total - 1 && !!(eeprom_size % PER_PAGE_SIZE))
eep_len = eeprom_size % PER_PAGE_SIZE;
else
eep_len = PER_PAGE_SIZE;
skb = mt76_mcu_msg_alloc(&dev->mt76, NULL,
sizeof(req) + eep_len);
if (!skb)
return -ENOMEM;
req.format = FIELD_PREP(MAX_PAGE_IDX_MASK, total - 1) |
FIELD_PREP(PAGE_IDX_MASK, i) | EE_FORMAT_WHOLE;
req.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_EXT_CMD(EFUSE_BUFFER_MODE), true);
if (ret)
return ret;
}
return 0;
}
int mt7915_mcu_set_eeprom(struct mt7915_dev *dev)
{
struct mt7915_mcu_eeprom req = {
.buffer_mode = EE_MODE_EFUSE,
.format = EE_FORMAT_WHOLE,
};
if (dev->flash_mode)
return mt7915_mcu_set_eeprom_flash(dev);
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,
MT7915_EEPROM_BLOCK_SIZE)),
};
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_QUERY(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, MT7915_EEPROM_BLOCK_SIZE);
dev_kfree_skb(skb);
return 0;
}
int mt7915_mcu_get_eeprom_free_block(struct mt7915_dev *dev, u8 *block_num)
{
struct {
u8 _rsv;
u8 version;
u8 die_idx;
u8 _rsv2;
} __packed req = {
.version = 1,
};
struct sk_buff *skb;
int ret;
ret = mt76_mcu_send_and_get_msg(&dev->mt76,
MCU_EXT_QUERY(EFUSE_FREE_BLOCK),
&req, sizeof(req), true, &skb);
if (ret)
return ret;
*block_num = *(u8 *)skb->data;
dev_kfree_skb(skb);
return 0;
}
static int mt7915_mcu_set_pre_cal(struct mt7915_dev *dev, u8 idx,
u8 *data, u32 len, int cmd)
{
struct {
u8 dir;
u8 valid;
__le16 bitmap;
s8 precal;
u8 action;
u8 band;
u8 idx;
u8 rsv[4];
__le32 len;
} req = {};
struct sk_buff *skb;
skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req) + len);
if (!skb)
return -ENOMEM;
req.idx = idx;
req.len = cpu_to_le32(len);
skb_put_data(skb, &req, sizeof(req));
skb_put_data(skb, data, len);
return mt76_mcu_skb_send_msg(&dev->mt76, skb, cmd, false);
}
int mt7915_mcu_apply_group_cal(struct mt7915_dev *dev)
{
u8 idx = 0, *cal = dev->cal, *eep = dev->mt76.eeprom.data;
u32 total = MT_EE_CAL_GROUP_SIZE;
if (!(eep[MT_EE_DO_PRE_CAL] & MT_EE_WIFI_CAL_GROUP))
return 0;
/*
* Items: Rx DCOC, RSSI DCOC, Tx TSSI DCOC, Tx LPFG
* Tx FDIQ, Tx DCIQ, Rx FDIQ, Rx FIIQ, ADCDCOC
*/
while (total > 0) {
int ret, len;
len = min_t(u32, total, MT_EE_CAL_UNIT);
ret = mt7915_mcu_set_pre_cal(dev, idx, cal, len,
MCU_EXT_CMD(GROUP_PRE_CAL_INFO));
if (ret)
return ret;
total -= len;
cal += len;
idx++;
}
return 0;
}
static int mt7915_find_freq_idx(const u16 *freqs, int n_freqs, u16 cur)
{
int i;
for (i = 0; i < n_freqs; i++)
if (cur == freqs[i])
return i;
return -1;
}
static int mt7915_dpd_freq_idx(u16 freq, u8 bw)
{
static const u16 freq_list[] = {
5180, 5200, 5220, 5240,
5260, 5280, 5300, 5320,
5500, 5520, 5540, 5560,
5580, 5600, 5620, 5640,
5660, 5680, 5700, 5745,
5765, 5785, 5805, 5825
};
int offset_2g = ARRAY_SIZE(freq_list);
int idx;
if (freq < 4000) {
if (freq < 2432)
return offset_2g;
if (freq < 2457)
return offset_2g + 1;
return offset_2g + 2;
}
if (bw == NL80211_CHAN_WIDTH_80P80 || bw == NL80211_CHAN_WIDTH_160)
return -1;
if (bw != NL80211_CHAN_WIDTH_20) {
idx = mt7915_find_freq_idx(freq_list, ARRAY_SIZE(freq_list),
freq + 10);
if (idx >= 0)
return idx;
idx = mt7915_find_freq_idx(freq_list, ARRAY_SIZE(freq_list),
freq - 10);
if (idx >= 0)
return idx;
}
return mt7915_find_freq_idx(freq_list, ARRAY_SIZE(freq_list), freq);
}
int mt7915_mcu_apply_tx_dpd(struct mt7915_phy *phy)
{
struct mt7915_dev *dev = phy->dev;
struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
u16 total = 2, center_freq = chandef->center_freq1;
u8 *cal = dev->cal, *eep = dev->mt76.eeprom.data;
int idx;
if (!(eep[MT_EE_DO_PRE_CAL] & MT_EE_WIFI_CAL_DPD))
return 0;
idx = mt7915_dpd_freq_idx(center_freq, chandef->width);
if (idx < 0)
return -EINVAL;
/* Items: Tx DPD, Tx Flatness */
idx = idx * 2;
cal += MT_EE_CAL_GROUP_SIZE;
while (total--) {
int ret;
cal += (idx * MT_EE_CAL_UNIT);
ret = mt7915_mcu_set_pre_cal(dev, idx, cal, MT_EE_CAL_UNIT,
MCU_EXT_CMD(DPD_PRE_CAL_INFO));
if (ret)
return ret;
idx++;
}
return 0;
}
int mt7915_mcu_get_chan_mib_info(struct mt7915_phy *phy, bool chan_switch)
{
/* strict order */
static const u32 offs[] = {
MIB_BUSY_TIME, MIB_TX_TIME, MIB_RX_TIME, MIB_OBSS_AIRTIME,
MIB_BUSY_TIME_V2, MIB_TX_TIME_V2, MIB_RX_TIME_V2,
MIB_OBSS_AIRTIME_V2
};
struct mt76_channel_state *state = phy->mt76->chan_state;
struct mt76_channel_state *state_ts = &phy->state_ts;
struct mt7915_dev *dev = phy->dev;
struct mt7915_mcu_mib *res, req[4];
struct sk_buff *skb;
int i, ret, start = 0, ofs = 20;
if (!is_mt7915(&dev->mt76)) {
start = 4;
ofs = 0;
}
for (i = 0; i < 4; i++) {
req[i].band = cpu_to_le32(phy != &dev->phy);
req[i].offs = cpu_to_le32(offs[i + start]);
}
ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_EXT_CMD(GET_MIB_INFO),
req, sizeof(req), true, &skb);
if (ret)
return ret;
res = (struct mt7915_mcu_mib *)(skb->data + ofs);
if (chan_switch)
goto out;
#define __res_u64(s) le64_to_cpu(res[s].data)
state->cc_busy += __res_u64(0) - state_ts->cc_busy;
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;
out:
state_ts->cc_busy = __res_u64(0);
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);
#undef __res_u64
dev_kfree_skb(skb);
return 0;
}
int mt7915_mcu_get_temperature(struct mt7915_phy *phy)
{
struct mt7915_dev *dev = phy->dev;
struct {
u8 ctrl_id;
u8 action;
u8 dbdc_idx;
u8 rsv[5];
} req = {
.ctrl_id = THERMAL_SENSOR_TEMP_QUERY,
.dbdc_idx = phy != &dev->phy,
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(THERMAL_CTRL), &req,
sizeof(req), true);
}
int mt7915_mcu_set_thermal_throttling(struct mt7915_phy *phy, u8 state)
{
struct mt7915_dev *dev = phy->dev;
struct {
struct mt7915_mcu_thermal_ctrl ctrl;
__le32 trigger_temp;
__le32 restore_temp;
__le16 sustain_time;
u8 rsv[2];
} __packed req = {
.ctrl = {
.band_idx = phy->band_idx,
},
};
int level;
if (!state) {
req.ctrl.ctrl_id = THERMAL_PROTECT_DISABLE;
goto out;
}
/* set duty cycle and level */
for (level = 0; level < 4; level++) {
int ret;
req.ctrl.ctrl_id = THERMAL_PROTECT_DUTY_CONFIG;
req.ctrl.duty.duty_level = level;
req.ctrl.duty.duty_cycle = state;
state /= 2;
ret = mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(THERMAL_PROT),
&req, sizeof(req.ctrl), false);
if (ret)
return ret;
}
/* set high-temperature trigger threshold */
req.ctrl.ctrl_id = THERMAL_PROTECT_ENABLE;
/* add a safety margin ~10 */
req.restore_temp = cpu_to_le32(phy->throttle_temp[0] - 10);
req.trigger_temp = cpu_to_le32(phy->throttle_temp[1]);
req.sustain_time = cpu_to_le16(10);
out:
req.ctrl.type.protect_type = 1;
req.ctrl.type.trigger_type = 1;
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(THERMAL_PROT),
&req, sizeof(req), false);
}
int mt7915_mcu_set_txpower_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,
};
struct mt76_power_limits limits_array;
s8 *la = (s8 *)&limits_array;
int i, idx, n_chains = hweight8(mphy->antenna_mask);
int tx_power = hw->conf.power_level * 2;
tx_power = mt76_get_sar_power(mphy, mphy->chandef.chan,
tx_power);
tx_power -= mt76_tx_power_nss_delta(n_chains);
tx_power = mt76_get_rate_power_limits(mphy, mphy->chandef.chan,
&limits_array, tx_power);
mphy->txpower_cur = tx_power;
for (i = 0, idx = 0; i < ARRAY_SIZE(mt7915_sku_group_len); i++) {
u8 mcs_num, len = mt7915_sku_group_len[i];
int j;
if (i >= SKU_HT_BW20 && i <= SKU_VHT_BW160) {
mcs_num = 10;
if (i == SKU_HT_BW20 || i == SKU_VHT_BW20)
la = (s8 *)&limits_array + 12;
} else {
mcs_num = len;
}
for (j = 0; j < min_t(u8, mcs_num, len); j++)
req.val[idx + j] = la[j];
la += mcs_num;
idx += len;
}
return mt76_mcu_send_msg(&dev->mt76,
MCU_EXT_CMD(TX_POWER_FEATURE_CTRL), &req,
sizeof(req), true);
}
int mt7915_mcu_get_txpower_sku(struct mt7915_phy *phy, s8 *txpower, int len)
{
#define RATE_POWER_INFO 2
struct mt7915_dev *dev = phy->dev;
struct {
u8 format_id;
u8 category;
u8 band;
u8 _rsv;
} __packed req = {
.format_id = 7,
.category = RATE_POWER_INFO,
.band = phy != &dev->phy,
};
s8 res[MT7915_SKU_RATE_NUM][2];
struct sk_buff *skb;
int ret, i;
ret = mt76_mcu_send_and_get_msg(&dev->mt76,
MCU_EXT_CMD(TX_POWER_FEATURE_CTRL),
&req, sizeof(req), true, &skb);
if (ret)
return ret;
memcpy(res, skb->data + 4, sizeof(res));
for (i = 0; i < len; i++)
txpower[i] = res[i][req.band];
dev_kfree_skb(skb);
return 0;
}
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(struct mt7915_dev *dev, u8 action)
{
struct {
u8 action;
union {
struct {
u8 snd_mode;
u8 sta_num;
u8 rsv;
u8 wlan_idx[4];
__le32 snd_period; /* ms */
} __packed snd;
struct {
bool ebf;
bool ibf;
u8 rsv;
} __packed type;
struct {
u8 bf_num;
u8 bf_bitmap;
u8 bf_sel[8];
u8 rsv[5];
} __packed mod;
};
} __packed req = {
.action = action,
};
#define MT_BF_PROCESSING 4
switch (action) {
case MT_BF_SOUNDING_ON:
req.snd.snd_mode = MT_BF_PROCESSING;
break;
case MT_BF_TYPE_UPDATE:
req.type.ebf = true;
req.type.ibf = dev->ibf;
break;
case MT_BF_MODULE_UPDATE:
req.mod.bf_num = 2;
req.mod.bf_bitmap = GENMASK(1, 0);
break;
default:
return -EINVAL;
}
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->mt76.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->mt76.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;
int ret;
bool cck = false;
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:
cck = true;
fallthrough;
case MT_PHY_TYPE_OFDM:
if (mphy->chandef.chan->band == NL80211_BAND_5GHZ)
sband = &mphy->sband_5g.sband;
else if (mphy->chandef.chan->band == NL80211_BAND_6GHZ)
sband = &mphy->sband_6g.sband;
else
sband = &mphy->sband_2g.sband;
rate->mcs = mt76_get_rate(&dev->mt76, sband, rate->mcs, cck);
rate->legacy = sband->bitrates[rate->mcs].bitrate;
break;
case MT_PHY_TYPE_HT:
case MT_PHY_TYPE_HT_GF:
if (rate->mcs > 31) {
ret = -EINVAL;
goto out;
}
rate->flags = RATE_INFO_FLAGS_MCS;
if (res->gi)
rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
break;
case MT_PHY_TYPE_VHT:
if (rate->mcs > 9) {
ret = -EINVAL;
goto out;
}
rate->flags = RATE_INFO_FLAGS_VHT_MCS;
if (res->gi)
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 (res->gi > NL80211_RATE_INFO_HE_GI_3_2 || rate->mcs > 11) {
ret = -EINVAL;
goto out;
}
rate->he_gi = res->gi;
rate->flags = RATE_INFO_FLAGS_HE_MCS;
break;
default:
ret = -EINVAL;
goto out;
}
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;
}
out:
dev_kfree_skb(skb);
return ret;
}
int mt7915_mcu_update_bss_color(struct mt7915_dev *dev, struct ieee80211_vif *vif,
struct cfg80211_he_bss_color *he_bss_color)
{
int len = sizeof(struct sta_req_hdr) + sizeof(struct bss_info_color);
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct bss_info_color *bss_color;
struct sk_buff *skb;
struct tlv *tlv;
skb = __mt76_connac_mcu_alloc_sta_req(&dev->mt76, &mvif->mt76,
NULL, len);
if (IS_ERR(skb))
return PTR_ERR(skb);
tlv = mt76_connac_mcu_add_tlv(skb, BSS_INFO_BSS_COLOR,
sizeof(*bss_color));
bss_color = (struct bss_info_color *)tlv;
bss_color->disable = !he_bss_color->enabled;
bss_color->color = he_bss_color->color;
return mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_EXT_CMD(BSS_INFO_UPDATE), true);
}
#define TWT_AGRT_TRIGGER BIT(0)
#define TWT_AGRT_ANNOUNCE BIT(1)
#define TWT_AGRT_PROTECT BIT(2)
int mt7915_mcu_twt_agrt_update(struct mt7915_dev *dev,
struct mt7915_vif *mvif,
struct mt7915_twt_flow *flow,
int cmd)
{
struct {
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 rsv[23];
} __packed req = {
.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_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_EXT_CMD(TWT_AGRT_UPDATE),
&req, sizeof(req), true);
}
int mt7915_mcu_rf_regval(struct mt7915_dev *dev, u32 regidx, u32 *val, bool set)
{
struct {
__le32 idx;
__le32 ofs;
__le32 data;
} __packed req = {
.idx = cpu_to_le32(u32_get_bits(regidx, GENMASK(31, 28))),
.ofs = cpu_to_le32(u32_get_bits(regidx, GENMASK(27, 0))),
.data = set ? cpu_to_le32(*val) : 0,
};
struct sk_buff *skb;
int ret;
if (set)
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(RF_REG_ACCESS),
&req, sizeof(req), false);
ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_EXT_QUERY(RF_REG_ACCESS),
&req, sizeof(req), true, &skb);
if (ret)
return ret;
*val = le32_to_cpu(*(__le32 *)(skb->data + 8));
dev_kfree_skb(skb);
return 0;
}