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mcu.c
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// SPDX-License-Identifier: ISC
/*
* Copyright (C) 2022 MediaTek Inc.
*/
#include <linux/firmware.h>
#include <linux/fs.h>
#include "mt7996.h"
#include "mcu.h"
#include "mac.h"
#include "eeprom.h"
struct mt7996_patch_hdr {
char build_date[16];
char platform[4];
__be32 hw_sw_ver;
__be32 patch_ver;
__be16 checksum;
u16 reserved;
struct {
__be32 patch_ver;
__be32 subsys;
__be32 feature;
__be32 n_region;
__be32 crc;
u32 reserved[11];
} desc;
} __packed;
struct mt7996_patch_sec {
__be32 type;
__be32 offs;
__be32 size;
union {
__be32 spec[13];
struct {
__be32 addr;
__be32 len;
__be32 sec_key_idx;
__be32 align_len;
u32 reserved[9];
} info;
};
} __packed;
struct mt7996_fw_trailer {
u8 chip_id;
u8 eco_code;
u8 n_region;
u8 format_ver;
u8 format_flag;
u8 reserved[2];
char fw_ver[10];
char build_date[15];
u32 crc;
} __packed;
struct mt7996_fw_region {
__le32 decomp_crc;
__le32 decomp_len;
__le32 decomp_blk_sz;
u8 reserved[4];
__le32 addr;
__le32 len;
u8 feature_set;
u8 reserved1[15];
} __packed;
#define MCU_PATCH_ADDRESS 0x200000
#define HE_PHY(p, c) u8_get_bits(c, IEEE80211_HE_PHY_##p)
#define HE_MAC(m, c) u8_get_bits(c, IEEE80211_HE_MAC_##m)
#define EHT_PHY(p, c) u8_get_bits(c, IEEE80211_EHT_PHY_##p)
static bool sr_scene_detect = true;
module_param(sr_scene_detect, bool, 0644);
MODULE_PARM_DESC(sr_scene_detect, "Enable firmware scene detection algorithm");
static u8
mt7996_mcu_get_sta_nss(u16 mcs_map)
{
u8 nss;
for (nss = 8; nss > 0; nss--) {
u8 nss_mcs = (mcs_map >> (2 * (nss - 1))) & 3;
if (nss_mcs != IEEE80211_VHT_MCS_NOT_SUPPORTED)
break;
}
return nss - 1;
}
static void
mt7996_mcu_set_sta_he_mcs(struct ieee80211_sta *sta, __le16 *he_mcs,
u16 mcs_map)
{
struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
enum nl80211_band band = msta->vif->phy->mt76->chandef.chan->band;
const u16 *mask = msta->vif->bitrate_mask.control[band].he_mcs;
int nss, max_nss = sta->deflink.rx_nss > 3 ? 4 : sta->deflink.rx_nss;
for (nss = 0; nss < max_nss; nss++) {
int mcs;
switch ((mcs_map >> (2 * nss)) & 0x3) {
case IEEE80211_HE_MCS_SUPPORT_0_11:
mcs = GENMASK(11, 0);
break;
case IEEE80211_HE_MCS_SUPPORT_0_9:
mcs = GENMASK(9, 0);
break;
case IEEE80211_HE_MCS_SUPPORT_0_7:
mcs = GENMASK(7, 0);
break;
default:
mcs = 0;
}
mcs = mcs ? fls(mcs & mask[nss]) - 1 : -1;
switch (mcs) {
case 0 ... 7:
mcs = IEEE80211_HE_MCS_SUPPORT_0_7;
break;
case 8 ... 9:
mcs = IEEE80211_HE_MCS_SUPPORT_0_9;
break;
case 10 ... 11:
mcs = IEEE80211_HE_MCS_SUPPORT_0_11;
break;
default:
mcs = IEEE80211_HE_MCS_NOT_SUPPORTED;
break;
}
mcs_map &= ~(0x3 << (nss * 2));
mcs_map |= mcs << (nss * 2);
}
*he_mcs = cpu_to_le16(mcs_map);
}
static void
mt7996_mcu_set_sta_vht_mcs(struct ieee80211_sta *sta, __le16 *vht_mcs,
const u16 *mask)
{
u16 mcs, mcs_map = le16_to_cpu(sta->deflink.vht_cap.vht_mcs.rx_mcs_map);
int nss, max_nss = sta->deflink.rx_nss > 3 ? 4 : sta->deflink.rx_nss;
for (nss = 0; nss < max_nss; nss++, mcs_map >>= 2) {
switch (mcs_map & 0x3) {
case IEEE80211_VHT_MCS_SUPPORT_0_9:
mcs = GENMASK(9, 0);
break;
case IEEE80211_VHT_MCS_SUPPORT_0_8:
mcs = GENMASK(8, 0);
break;
case IEEE80211_VHT_MCS_SUPPORT_0_7:
mcs = GENMASK(7, 0);
break;
default:
mcs = 0;
}
vht_mcs[nss] = cpu_to_le16(mcs & mask[nss]);
}
}
static void
mt7996_mcu_set_sta_ht_mcs(struct ieee80211_sta *sta, u8 *ht_mcs,
const u8 *mask)
{
int nss, max_nss = sta->deflink.rx_nss > 3 ? 4 : sta->deflink.rx_nss;
for (nss = 0; nss < max_nss; nss++)
ht_mcs[nss] = sta->deflink.ht_cap.mcs.rx_mask[nss] & mask[nss];
}
static int
mt7996_mcu_parse_response(struct mt76_dev *mdev, int cmd,
struct sk_buff *skb, int seq)
{
struct mt7996_mcu_rxd *rxd;
struct mt7996_mcu_uni_event *event;
int mcu_cmd = FIELD_GET(__MCU_CMD_FIELD_ID, cmd);
int ret = 0;
if (!skb) {
dev_err(mdev->dev, "Message %08x (seq %d) timeout\n",
cmd, seq);
return -ETIMEDOUT;
}
rxd = (struct mt7996_mcu_rxd *)skb->data;
if (seq != rxd->seq)
return -EAGAIN;
if (cmd == MCU_CMD(PATCH_SEM_CONTROL)) {
skb_pull(skb, sizeof(*rxd) - 4);
ret = *skb->data;
} else if ((rxd->option & MCU_UNI_CMD_EVENT) &&
rxd->eid == MCU_UNI_EVENT_RESULT) {
skb_pull(skb, sizeof(*rxd));
event = (struct mt7996_mcu_uni_event *)skb->data;
ret = le32_to_cpu(event->status);
/* skip invalid event */
if (mcu_cmd != event->cid)
ret = -EAGAIN;
} else {
skb_pull(skb, sizeof(struct mt7996_mcu_rxd));
}
return ret;
}
static int
mt7996_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
int cmd, int *wait_seq)
{
struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76);
int txd_len, mcu_cmd = FIELD_GET(__MCU_CMD_FIELD_ID, cmd);
struct mt76_connac2_mcu_uni_txd *uni_txd;
struct mt76_connac2_mcu_txd *mcu_txd;
enum mt76_mcuq_id qid;
__le32 *txd;
u32 val;
u8 seq;
mdev->mcu.timeout = 20 * HZ;
seq = ++dev->mt76.mcu.msg_seq & 0xf;
if (!seq)
seq = ++dev->mt76.mcu.msg_seq & 0xf;
if (cmd == MCU_CMD(FW_SCATTER)) {
qid = MT_MCUQ_FWDL;
goto exit;
}
txd_len = cmd & __MCU_CMD_FIELD_UNI ? sizeof(*uni_txd) : sizeof(*mcu_txd);
txd = (__le32 *)skb_push(skb, txd_len);
if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state))
qid = MT_MCUQ_WA;
else
qid = MT_MCUQ_WM;
val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len) |
FIELD_PREP(MT_TXD0_PKT_FMT, MT_TX_TYPE_CMD) |
FIELD_PREP(MT_TXD0_Q_IDX, MT_TX_MCU_PORT_RX_Q0);
txd[0] = cpu_to_le32(val);
val = FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_CMD);
txd[1] = cpu_to_le32(val);
if (cmd & __MCU_CMD_FIELD_UNI) {
uni_txd = (struct mt76_connac2_mcu_uni_txd *)txd;
uni_txd->len = cpu_to_le16(skb->len - sizeof(uni_txd->txd));
uni_txd->cid = cpu_to_le16(mcu_cmd);
uni_txd->s2d_index = MCU_S2D_H2CN;
uni_txd->pkt_type = MCU_PKT_ID;
uni_txd->seq = seq;
if (cmd & __MCU_CMD_FIELD_QUERY)
uni_txd->option = MCU_CMD_UNI_QUERY_ACK;
else
uni_txd->option = MCU_CMD_UNI_EXT_ACK;
if ((cmd & __MCU_CMD_FIELD_WA) && (cmd & __MCU_CMD_FIELD_WM))
uni_txd->s2d_index = MCU_S2D_H2CN;
else if (cmd & __MCU_CMD_FIELD_WA)
uni_txd->s2d_index = MCU_S2D_H2C;
else if (cmd & __MCU_CMD_FIELD_WM)
uni_txd->s2d_index = MCU_S2D_H2N;
goto exit;
}
mcu_txd = (struct mt76_connac2_mcu_txd *)txd;
mcu_txd->len = cpu_to_le16(skb->len - sizeof(mcu_txd->txd));
mcu_txd->pq_id = cpu_to_le16(MCU_PQ_ID(MT_TX_PORT_IDX_MCU,
MT_TX_MCU_PORT_RX_Q0));
mcu_txd->pkt_type = MCU_PKT_ID;
mcu_txd->seq = seq;
mcu_txd->cid = FIELD_GET(__MCU_CMD_FIELD_ID, cmd);
mcu_txd->set_query = MCU_Q_NA;
mcu_txd->ext_cid = FIELD_GET(__MCU_CMD_FIELD_EXT_ID, cmd);
if (mcu_txd->ext_cid) {
mcu_txd->ext_cid_ack = 1;
if (cmd & __MCU_CMD_FIELD_QUERY)
mcu_txd->set_query = MCU_Q_QUERY;
else
mcu_txd->set_query = MCU_Q_SET;
}
if (cmd & __MCU_CMD_FIELD_WA)
mcu_txd->s2d_index = MCU_S2D_H2C;
else
mcu_txd->s2d_index = MCU_S2D_H2N;
exit:
if (wait_seq)
*wait_seq = seq;
return mt76_tx_queue_skb_raw(dev, mdev->q_mcu[qid], skb, 0);
}
int mt7996_mcu_wa_cmd(struct mt7996_dev *dev, int cmd, u32 a1, u32 a2, u32 a3)
{
struct {
__le32 args[3];
} req = {
.args = {
cpu_to_le32(a1),
cpu_to_le32(a2),
cpu_to_le32(a3),
},
};
return mt76_mcu_send_msg(&dev->mt76, cmd, &req, sizeof(req), false);
}
static void
mt7996_mcu_csa_finish(void *priv, u8 *mac, struct ieee80211_vif *vif)
{
if (vif->bss_conf.csa_active)
ieee80211_csa_finish(vif);
}
static void
mt7996_mcu_rx_radar_detected(struct mt7996_dev *dev, struct sk_buff *skb)
{
struct mt76_phy *mphy = &dev->mt76.phy;
struct mt7996_mcu_rdd_report *r;
r = (struct mt7996_mcu_rdd_report *)skb->data;
if (r->band_idx >= ARRAY_SIZE(dev->mt76.phys))
return;
if (dev->rdd2_phy && r->band_idx == MT_RX_SEL2)
mphy = dev->rdd2_phy->mt76;
else
mphy = dev->mt76.phys[r->band_idx];
if (!mphy)
return;
if (r->band_idx == MT_RX_SEL2)
cfg80211_background_radar_event(mphy->hw->wiphy,
&dev->rdd2_chandef,
GFP_ATOMIC);
else
ieee80211_radar_detected(mphy->hw);
dev->hw_pattern++;
}
static void
mt7996_mcu_rx_log_message(struct mt7996_dev *dev, struct sk_buff *skb)
{
#define UNI_EVENT_FW_LOG_FORMAT 0
struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data;
const char *data = (char *)&rxd[1] + 4, *type;
struct tlv *tlv = (struct tlv *)data;
int len;
if (!(rxd->option & MCU_UNI_CMD_EVENT)) {
len = skb->len - sizeof(*rxd);
data = (char *)&rxd[1];
goto out;
}
if (le16_to_cpu(tlv->tag) != UNI_EVENT_FW_LOG_FORMAT)
return;
data += sizeof(*tlv) + 4;
len = le16_to_cpu(tlv->len) - sizeof(*tlv) - 4;
out:
switch (rxd->s2d_index) {
case 0:
if (mt7996_debugfs_rx_log(dev, data, len))
return;
type = "WM";
break;
case 2:
type = "WA";
break;
default:
type = "unknown";
break;
}
wiphy_info(mt76_hw(dev)->wiphy, "%s: %.*s", type, len, data);
}
static void
mt7996_mcu_cca_finish(void *priv, u8 *mac, struct ieee80211_vif *vif)
{
if (!vif->bss_conf.color_change_active)
return;
ieee80211_color_change_finish(vif);
}
static void
mt7996_mcu_ie_countdown(struct mt7996_dev *dev, struct sk_buff *skb)
{
#define UNI_EVENT_IE_COUNTDOWN_CSA 0
#define UNI_EVENT_IE_COUNTDOWN_BCC 1
struct header {
u8 band;
u8 rsv[3];
};
struct mt76_phy *mphy = &dev->mt76.phy;
struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data;
const char *data = (char *)&rxd[1], *tail;
struct header *hdr = (struct header *)data;
struct tlv *tlv = (struct tlv *)(data + 4);
if (hdr->band >= ARRAY_SIZE(dev->mt76.phys))
return;
if (hdr->band && dev->mt76.phys[hdr->band])
mphy = dev->mt76.phys[hdr->band];
tail = skb->data + skb->len;
data += sizeof(struct header);
while (data + sizeof(struct tlv) < tail && le16_to_cpu(tlv->len)) {
switch (le16_to_cpu(tlv->tag)) {
case UNI_EVENT_IE_COUNTDOWN_CSA:
ieee80211_iterate_active_interfaces_atomic(mphy->hw,
IEEE80211_IFACE_ITER_RESUME_ALL,
mt7996_mcu_csa_finish, mphy->hw);
break;
case UNI_EVENT_IE_COUNTDOWN_BCC:
ieee80211_iterate_active_interfaces_atomic(mphy->hw,
IEEE80211_IFACE_ITER_RESUME_ALL,
mt7996_mcu_cca_finish, mphy->hw);
break;
}
data += le16_to_cpu(tlv->len);
tlv = (struct tlv *)data;
}
}
static void
mt7996_mcu_rx_ext_event(struct mt7996_dev *dev, struct sk_buff *skb)
{
struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data;
switch (rxd->ext_eid) {
case MCU_EXT_EVENT_FW_LOG_2_HOST:
mt7996_mcu_rx_log_message(dev, skb);
break;
default:
break;
}
}
static void
mt7996_mcu_rx_unsolicited_event(struct mt7996_dev *dev, struct sk_buff *skb)
{
struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data;
switch (rxd->eid) {
case MCU_EVENT_EXT:
mt7996_mcu_rx_ext_event(dev, skb);
break;
default:
break;
}
dev_kfree_skb(skb);
}
static void
mt7996_mcu_uni_rx_unsolicited_event(struct mt7996_dev *dev, struct sk_buff *skb)
{
struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data;
switch (rxd->eid) {
case MCU_UNI_EVENT_FW_LOG_2_HOST:
mt7996_mcu_rx_log_message(dev, skb);
break;
case MCU_UNI_EVENT_IE_COUNTDOWN:
mt7996_mcu_ie_countdown(dev, skb);
break;
case MCU_UNI_EVENT_RDD_REPORT:
mt7996_mcu_rx_radar_detected(dev, skb);
break;
default:
break;
}
dev_kfree_skb(skb);
}
void mt7996_mcu_rx_event(struct mt7996_dev *dev, struct sk_buff *skb)
{
struct mt7996_mcu_rxd *rxd = (struct mt7996_mcu_rxd *)skb->data;
if (rxd->option & MCU_UNI_CMD_UNSOLICITED_EVENT) {
mt7996_mcu_uni_rx_unsolicited_event(dev, skb);
return;
}
/* WA still uses legacy event*/
if (rxd->ext_eid == MCU_EXT_EVENT_FW_LOG_2_HOST ||
!rxd->seq)
mt7996_mcu_rx_unsolicited_event(dev, skb);
else
mt76_mcu_rx_event(&dev->mt76, skb);
}
static struct tlv *
mt7996_mcu_add_uni_tlv(struct sk_buff *skb, u16 tag, u16 len)
{
struct tlv *ptlv, tlv = {
.tag = cpu_to_le16(tag),
.len = cpu_to_le16(len),
};
ptlv = skb_put(skb, len);
memcpy(ptlv, &tlv, sizeof(tlv));
return ptlv;
}
static void
mt7996_mcu_bss_rfch_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
struct mt7996_phy *phy)
{
static const u8 rlm_ch_band[] = {
[NL80211_BAND_2GHZ] = 1,
[NL80211_BAND_5GHZ] = 2,
[NL80211_BAND_6GHZ] = 3,
};
struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
struct bss_rlm_tlv *ch;
struct tlv *tlv;
int freq1 = chandef->center_freq1;
tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_RLM, sizeof(*ch));
ch = (struct bss_rlm_tlv *)tlv;
ch->control_channel = chandef->chan->hw_value;
ch->center_chan = ieee80211_frequency_to_channel(freq1);
ch->bw = mt76_connac_chan_bw(chandef);
ch->tx_streams = hweight8(phy->mt76->antenna_mask);
ch->rx_streams = hweight8(phy->mt76->antenna_mask);
ch->band = rlm_ch_band[chandef->chan->band];
if (chandef->width == NL80211_CHAN_WIDTH_80P80) {
int freq2 = chandef->center_freq2;
ch->center_chan2 = ieee80211_frequency_to_channel(freq2);
}
}
static void
mt7996_mcu_bss_ra_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
struct mt7996_phy *phy)
{
struct bss_ra_tlv *ra;
struct tlv *tlv;
tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_RA, sizeof(*ra));
ra = (struct bss_ra_tlv *)tlv;
ra->short_preamble = true;
}
static void
mt7996_mcu_bss_he_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
struct mt7996_phy *phy)
{
#define DEFAULT_HE_PE_DURATION 4
#define DEFAULT_HE_DURATION_RTS_THRES 1023
const struct ieee80211_sta_he_cap *cap;
struct bss_info_uni_he *he;
struct tlv *tlv;
cap = mt76_connac_get_he_phy_cap(phy->mt76, vif);
tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_HE_BASIC, sizeof(*he));
he = (struct bss_info_uni_he *)tlv;
he->he_pe_duration = vif->bss_conf.htc_trig_based_pkt_ext;
if (!he->he_pe_duration)
he->he_pe_duration = DEFAULT_HE_PE_DURATION;
he->he_rts_thres = cpu_to_le16(vif->bss_conf.frame_time_rts_th);
if (!he->he_rts_thres)
he->he_rts_thres = cpu_to_le16(DEFAULT_HE_DURATION_RTS_THRES);
he->max_nss_mcs[CMD_HE_MCS_BW80] = cap->he_mcs_nss_supp.tx_mcs_80;
he->max_nss_mcs[CMD_HE_MCS_BW160] = cap->he_mcs_nss_supp.tx_mcs_160;
he->max_nss_mcs[CMD_HE_MCS_BW8080] = cap->he_mcs_nss_supp.tx_mcs_80p80;
}
static void
mt7996_mcu_bss_bmc_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
struct mt7996_phy *phy)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
struct bss_rate_tlv *bmc;
struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
enum nl80211_band band = chandef->chan->band;
struct tlv *tlv;
u8 idx = mvif->mcast_rates_idx ?
mvif->mcast_rates_idx : mvif->basic_rates_idx;
tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_RATE, sizeof(*bmc));
bmc = (struct bss_rate_tlv *)tlv;
bmc->short_preamble = (band == NL80211_BAND_2GHZ);
bmc->bc_fixed_rate = idx;
bmc->mc_fixed_rate = idx;
}
static void
mt7996_mcu_bss_txcmd_tlv(struct sk_buff *skb, bool en)
{
struct bss_txcmd_tlv *txcmd;
struct tlv *tlv;
tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_TXCMD, sizeof(*txcmd));
txcmd = (struct bss_txcmd_tlv *)tlv;
txcmd->txcmd_mode = en;
}
static void
mt7996_mcu_bss_mld_tlv(struct sk_buff *skb, struct ieee80211_vif *vif)
{
struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
struct bss_mld_tlv *mld;
struct tlv *tlv;
tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_MLD, sizeof(*mld));
mld = (struct bss_mld_tlv *)tlv;
mld->group_mld_id = 0xff;
mld->own_mld_id = mvif->mt76.idx;
mld->remap_idx = 0xff;
}
static void
mt7996_mcu_bss_sec_tlv(struct sk_buff *skb, struct ieee80211_vif *vif)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
struct bss_sec_tlv *sec;
struct tlv *tlv;
tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_SEC, sizeof(*sec));
sec = (struct bss_sec_tlv *)tlv;
sec->cipher = mvif->cipher;
}
static int
mt7996_mcu_muar_config(struct mt7996_phy *phy, struct ieee80211_vif *vif,
bool bssid, bool enable)
{
#define UNI_MUAR_ENTRY 2
struct mt7996_dev *dev = phy->dev;
struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
u32 idx = mvif->mt76.omac_idx - REPEATER_BSSID_START;
const u8 *addr = vif->addr;
struct {
struct {
u8 band;
u8 __rsv[3];
} hdr;
__le16 tag;
__le16 len;
bool smesh;
u8 bssid;
u8 index;
u8 entry_add;
u8 addr[ETH_ALEN];
u8 __rsv[2];
} __packed req = {
.hdr.band = phy->mt76->band_idx,
.tag = cpu_to_le16(UNI_MUAR_ENTRY),
.len = cpu_to_le16(sizeof(req) - sizeof(req.hdr)),
.smesh = false,
.index = idx * 2 + bssid,
.entry_add = true,
};
if (bssid)
addr = vif->bss_conf.bssid;
if (enable)
memcpy(req.addr, addr, ETH_ALEN);
return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(REPT_MUAR), &req,
sizeof(req), true);
}
static void
mt7996_mcu_bss_ifs_timing_tlv(struct sk_buff *skb, struct ieee80211_vif *vif)
{
struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
struct mt7996_phy *phy = mvif->phy;
struct bss_ifs_time_tlv *ifs_time;
struct tlv *tlv;
bool is_2ghz = phy->mt76->chandef.chan->band == NL80211_BAND_2GHZ;
tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_IFS_TIME, sizeof(*ifs_time));
ifs_time = (struct bss_ifs_time_tlv *)tlv;
ifs_time->slot_valid = true;
ifs_time->sifs_valid = true;
ifs_time->rifs_valid = true;
ifs_time->eifs_valid = true;
ifs_time->slot_time = cpu_to_le16(phy->slottime);
ifs_time->sifs_time = cpu_to_le16(10);
ifs_time->rifs_time = cpu_to_le16(2);
ifs_time->eifs_time = cpu_to_le16(is_2ghz ? 78 : 84);
if (is_2ghz) {
ifs_time->eifs_cck_valid = true;
ifs_time->eifs_cck_time = cpu_to_le16(314);
}
}
static int
mt7996_mcu_bss_basic_tlv(struct sk_buff *skb,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct mt76_phy *phy, u16 wlan_idx,
bool enable)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
struct cfg80211_chan_def *chandef = &phy->chandef;
struct mt76_connac_bss_basic_tlv *bss;
u32 type = CONNECTION_INFRA_AP;
u16 sta_wlan_idx = wlan_idx;
struct tlv *tlv;
int idx;
switch (vif->type) {
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_MONITOR:
break;
case NL80211_IFTYPE_STATION:
if (enable) {
rcu_read_lock();
if (!sta)
sta = ieee80211_find_sta(vif,
vif->bss_conf.bssid);
/* TODO: enable BSS_INFO_UAPSD & BSS_INFO_PM */
if (sta) {
struct mt76_wcid *wcid;
wcid = (struct mt76_wcid *)sta->drv_priv;
sta_wlan_idx = wcid->idx;
}
rcu_read_unlock();
}
type = CONNECTION_INFRA_STA;
break;
case NL80211_IFTYPE_ADHOC:
type = CONNECTION_IBSS_ADHOC;
break;
default:
WARN_ON(1);
break;
}
tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_BASIC, sizeof(*bss));
bss = (struct mt76_connac_bss_basic_tlv *)tlv;
bss->bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int);
bss->dtim_period = vif->bss_conf.dtim_period;
bss->bmc_tx_wlan_idx = cpu_to_le16(wlan_idx);
bss->sta_idx = cpu_to_le16(sta_wlan_idx);
bss->conn_type = cpu_to_le32(type);
bss->omac_idx = mvif->omac_idx;
bss->band_idx = mvif->band_idx;
bss->wmm_idx = mvif->wmm_idx;
bss->conn_state = !enable;
bss->active = enable;
idx = mvif->omac_idx > EXT_BSSID_START ? HW_BSSID_0 : mvif->omac_idx;
bss->hw_bss_idx = idx;
if (vif->type == NL80211_IFTYPE_MONITOR) {
memcpy(bss->bssid, phy->macaddr, ETH_ALEN);
return 0;
}
memcpy(bss->bssid, vif->bss_conf.bssid, ETH_ALEN);
bss->bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int);
bss->dtim_period = vif->bss_conf.dtim_period;
bss->phymode = mt76_connac_get_phy_mode(phy, vif,
chandef->chan->band, NULL);
bss->phymode_ext = mt76_connac_get_phy_mode_ext(phy, vif,
chandef->chan->band);
return 0;
}
static struct sk_buff *
__mt7996_mcu_alloc_bss_req(struct mt76_dev *dev, struct mt76_vif *mvif, int len)
{
struct bss_req_hdr hdr = {
.bss_idx = mvif->idx,
};
struct sk_buff *skb;
skb = mt76_mcu_msg_alloc(dev, NULL, len);
if (!skb)
return ERR_PTR(-ENOMEM);
skb_put_data(skb, &hdr, sizeof(hdr));
return skb;
}
int mt7996_mcu_add_bss_info(struct mt7996_phy *phy,
struct ieee80211_vif *vif, int enable)
{
struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
struct mt7996_dev *dev = phy->dev;
struct sk_buff *skb;
if (mvif->mt76.omac_idx >= REPEATER_BSSID_START) {
mt7996_mcu_muar_config(phy, vif, false, enable);
mt7996_mcu_muar_config(phy, vif, true, enable);
}
skb = __mt7996_mcu_alloc_bss_req(&dev->mt76, &mvif->mt76,
MT7996_BSS_UPDATE_MAX_SIZE);
if (IS_ERR(skb))
return PTR_ERR(skb);
/* bss_basic must be first */
mt7996_mcu_bss_basic_tlv(skb, vif, NULL, phy->mt76,
mvif->sta.wcid.idx, enable);
mt7996_mcu_bss_sec_tlv(skb, vif);
if (vif->type == NL80211_IFTYPE_MONITOR)
goto out;
if (enable) {
mt7996_mcu_bss_rfch_tlv(skb, vif, phy);
mt7996_mcu_bss_bmc_tlv(skb, vif, phy);
mt7996_mcu_bss_ra_tlv(skb, vif, phy);
mt7996_mcu_bss_txcmd_tlv(skb, true);
mt7996_mcu_bss_ifs_timing_tlv(skb, vif);
if (vif->bss_conf.he_support)
mt7996_mcu_bss_he_tlv(skb, vif, phy);
/* this tag is necessary no matter if the vif is MLD */
mt7996_mcu_bss_mld_tlv(skb, vif);
}
out:
return mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_WMWA_UNI_CMD(BSS_INFO_UPDATE), true);
}
int mt7996_mcu_set_timing(struct mt7996_phy *phy, struct ieee80211_vif *vif)
{
struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
struct mt7996_dev *dev = phy->dev;
struct sk_buff *skb;
skb = __mt7996_mcu_alloc_bss_req(&dev->mt76, &mvif->mt76,
MT7996_BSS_UPDATE_MAX_SIZE);
if (IS_ERR(skb))
return PTR_ERR(skb);
mt7996_mcu_bss_ifs_timing_tlv(skb, vif);
return mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_WMWA_UNI_CMD(BSS_INFO_UPDATE), true);
}
static int
mt7996_mcu_sta_ba(struct mt76_dev *dev, struct mt76_vif *mvif,
struct ieee80211_ampdu_params *params,
bool enable, bool tx)
{
struct mt76_wcid *wcid = (struct mt76_wcid *)params->sta->drv_priv;
struct sta_rec_ba_uni *ba;
struct sk_buff *skb;
struct tlv *tlv;
skb = __mt76_connac_mcu_alloc_sta_req(dev, mvif, wcid,
MT7996_STA_UPDATE_MAX_SIZE);
if (IS_ERR(skb))
return PTR_ERR(skb);
tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_BA, sizeof(*ba));
ba = (struct sta_rec_ba_uni *)tlv;
ba->ba_type = tx ? MT_BA_TYPE_ORIGINATOR : MT_BA_TYPE_RECIPIENT;
ba->winsize = cpu_to_le16(params->buf_size);
ba->ssn = cpu_to_le16(params->ssn);
ba->ba_en = enable << params->tid;
ba->amsdu = params->amsdu;
ba->tid = params->tid;
return mt76_mcu_skb_send_msg(dev, skb,
MCU_WMWA_UNI_CMD(STA_REC_UPDATE), true);
}
/** starec & wtbl **/
int mt7996_mcu_add_tx_ba(struct mt7996_dev *dev,
struct ieee80211_ampdu_params *params,
bool enable)
{
struct mt7996_sta *msta = (struct mt7996_sta *)params->sta->drv_priv;
struct mt7996_vif *mvif = msta->vif;
if (enable && !params->amsdu)
msta->wcid.amsdu = false;
return mt7996_mcu_sta_ba(&dev->mt76, &mvif->mt76, params,
enable, true);
}
int mt7996_mcu_add_rx_ba(struct mt7996_dev *dev,
struct ieee80211_ampdu_params *params,
bool enable)
{
struct mt7996_sta *msta = (struct mt7996_sta *)params->sta->drv_priv;
struct mt7996_vif *mvif = msta->vif;
return mt7996_mcu_sta_ba(&dev->mt76, &mvif->mt76, params,
enable, false);
}
static void
mt7996_mcu_sta_he_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
{
struct ieee80211_he_cap_elem *elem = &sta->deflink.he_cap.he_cap_elem;
struct ieee80211_he_mcs_nss_supp mcs_map;
struct sta_rec_he_v2 *he;
struct tlv *tlv;
int i = 0;
if (!sta->deflink.he_cap.has_he)
return;
tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HE_V2, sizeof(*he));
he = (struct sta_rec_he_v2 *)tlv;
for (i = 0; i < 11; i++) {
if (i < 6)
he->he_mac_cap[i] = elem->mac_cap_info[i];
he->he_phy_cap[i] = elem->phy_cap_info[i];
}
mcs_map = sta->deflink.he_cap.he_mcs_nss_supp;
switch (sta->deflink.bandwidth) {
case IEEE80211_STA_RX_BW_160:
if (elem->phy_cap_info[0] &
IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
mt7996_mcu_set_sta_he_mcs(sta,
&he->max_nss_mcs[CMD_HE_MCS_BW8080],
le16_to_cpu(mcs_map.rx_mcs_80p80));
mt7996_mcu_set_sta_he_mcs(sta,
&he->max_nss_mcs[CMD_HE_MCS_BW160],
le16_to_cpu(mcs_map.rx_mcs_160));
fallthrough;
default:
mt7996_mcu_set_sta_he_mcs(sta,
&he->max_nss_mcs[CMD_HE_MCS_BW80],
le16_to_cpu(mcs_map.rx_mcs_80));
break;
}
he->pkt_ext = 2;
}
static void
mt7996_mcu_sta_he_6g_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
{
struct sta_rec_he_6g_capa *he_6g;
struct tlv *tlv;
if (!sta->deflink.he_6ghz_capa.capa)
return;
tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HE_6G, sizeof(*he_6g));