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// SPDX-License-Identifier: ISC
/* Copyright (C) 2020 MediaTek Inc. */
#include <linux/fs.h>
#include <linux/firmware.h>
#include "mt7921.h"
#include "mcu.h"
#include "../mt76_connac2_mac.h"
#include "../mt792x_trace.h"
#define MT_STA_BFER BIT(0)
#define MT_STA_BFEE BIT(1)
static bool mt7921_disable_clc;
module_param_named(disable_clc, mt7921_disable_clc, bool, 0644);
MODULE_PARM_DESC(disable_clc, "disable CLC support");
int mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd,
struct sk_buff *skb, int seq)
{
int mcu_cmd = FIELD_GET(__MCU_CMD_FIELD_ID, cmd);
struct mt76_connac2_mcu_rxd *rxd;
int ret = 0;
if (!skb) {
dev_err(mdev->dev, "Message %08x (seq %d) timeout\n",
cmd, seq);
mt792x_reset(mdev);
return -ETIMEDOUT;
}
rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
if (seq != rxd->seq)
return -EAGAIN;
if (cmd == MCU_CMD(PATCH_SEM_CONTROL) ||
cmd == MCU_CMD(PATCH_FINISH_REQ)) {
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 if (cmd == MCU_UNI_CMD(DEV_INFO_UPDATE) ||
cmd == MCU_UNI_CMD(BSS_INFO_UPDATE) ||
cmd == MCU_UNI_CMD(STA_REC_UPDATE) ||
cmd == MCU_UNI_CMD(HIF_CTRL) ||
cmd == MCU_UNI_CMD(OFFLOAD) ||
cmd == MCU_UNI_CMD(SUSPEND)) {
struct mt76_connac_mcu_uni_event *event;
skb_pull(skb, sizeof(*rxd));
event = (struct mt76_connac_mcu_uni_event *)skb->data;
ret = le32_to_cpu(event->status);
/* skip invalid event */
if (mcu_cmd != event->cid)
ret = -EAGAIN;
} else if (cmd == MCU_CE_QUERY(REG_READ)) {
struct mt76_connac_mcu_reg_event *event;
skb_pull(skb, sizeof(*rxd));
event = (struct mt76_connac_mcu_reg_event *)skb->data;
ret = (int)le32_to_cpu(event->val);
} else {
skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
}
return ret;
}
EXPORT_SYMBOL_GPL(mt7921_mcu_parse_response);
static int mt7921_mcu_read_eeprom(struct mt792x_dev *dev, u32 offset, u8 *val)
{
struct mt7921_mcu_eeprom_info *res, req = {
.addr = cpu_to_le32(round_down(offset,
MT7921_EEPROM_BLOCK_SIZE)),
};
struct sk_buff *skb;
int ret;
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 mt7921_mcu_eeprom_info *)skb->data;
*val = res->data[offset % MT7921_EEPROM_BLOCK_SIZE];
dev_kfree_skb(skb);
return 0;
}
#ifdef CONFIG_PM
static int
mt7921_mcu_set_ipv6_ns_filter(struct mt76_dev *dev,
struct ieee80211_vif *vif, bool suspend)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct {
struct {
u8 bss_idx;
u8 pad[3];
} __packed hdr;
struct mt76_connac_arpns_tlv arpns;
} req = {
.hdr = {
.bss_idx = mvif->bss_conf.mt76.idx,
},
.arpns = {
.tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND),
.len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv)),
.mode = suspend,
},
};
return mt76_mcu_send_msg(dev, MCU_UNI_CMD_OFFLOAD, &req, sizeof(req),
true);
}
void mt7921_mcu_set_suspend_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
{
if (IS_ENABLED(CONFIG_IPV6)) {
struct mt76_phy *phy = priv;
mt7921_mcu_set_ipv6_ns_filter(phy->dev, vif,
!test_bit(MT76_STATE_RUNNING,
&phy->state));
}
mt76_connac_mcu_set_suspend_iter(priv, mac, vif);
}
#endif /* CONFIG_PM */
static void
mt7921_mcu_uni_roc_event(struct mt792x_dev *dev, struct sk_buff *skb)
{
struct mt7921_roc_grant_tlv *grant;
struct mt76_connac2_mcu_rxd *rxd;
int duration;
rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
grant = (struct mt7921_roc_grant_tlv *)(rxd->tlv + 4);
/* should never happen */
WARN_ON_ONCE((le16_to_cpu(grant->tag) != UNI_EVENT_ROC_GRANT));
if (grant->reqtype == MT7921_ROC_REQ_ROC)
ieee80211_ready_on_channel(dev->mt76.phy.hw);
dev->phy.roc_grant = true;
wake_up(&dev->phy.roc_wait);
duration = le32_to_cpu(grant->max_interval);
mod_timer(&dev->phy.roc_timer,
jiffies + msecs_to_jiffies(duration));
}
static void
mt7921_mcu_scan_event(struct mt792x_dev *dev, struct sk_buff *skb)
{
struct mt76_phy *mphy = &dev->mt76.phy;
struct mt792x_phy *phy = mphy->priv;
spin_lock_bh(&dev->mt76.lock);
__skb_queue_tail(&phy->scan_event_list, skb);
spin_unlock_bh(&dev->mt76.lock);
ieee80211_queue_delayed_work(mphy->hw, &phy->scan_work,
MT792x_HW_SCAN_TIMEOUT);
}
static void
mt7921_mcu_connection_loss_iter(void *priv, u8 *mac,
struct ieee80211_vif *vif)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
struct mt76_connac_beacon_loss_event *event = priv;
if (mvif->idx != event->bss_idx)
return;
if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER) ||
vif->type != NL80211_IFTYPE_STATION)
return;
ieee80211_connection_loss(vif);
}
static void
mt7921_mcu_connection_loss_event(struct mt792x_dev *dev, struct sk_buff *skb)
{
struct mt76_connac_beacon_loss_event *event;
struct mt76_phy *mphy = &dev->mt76.phy;
skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
event = (struct mt76_connac_beacon_loss_event *)skb->data;
ieee80211_iterate_active_interfaces_atomic(mphy->hw,
IEEE80211_IFACE_ITER_RESUME_ALL,
mt7921_mcu_connection_loss_iter, event);
}
static void
mt7921_mcu_debug_msg_event(struct mt792x_dev *dev, struct sk_buff *skb)
{
struct mt7921_debug_msg {
__le16 id;
u8 type;
u8 flag;
__le32 value;
__le16 len;
u8 content[512];
} __packed * msg;
skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
msg = (struct mt7921_debug_msg *)skb->data;
if (msg->type == 3) { /* fw log */
u16 len = min_t(u16, le16_to_cpu(msg->len), 512);
int i;
for (i = 0 ; i < len; i++) {
if (!msg->content[i])
msg->content[i] = ' ';
}
wiphy_info(mt76_hw(dev)->wiphy, "%.*s", len, msg->content);
}
}
static void
mt7921_mcu_low_power_event(struct mt792x_dev *dev, struct sk_buff *skb)
{
struct mt7921_mcu_lp_event {
u8 state;
u8 reserved[3];
} __packed * event;
skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
event = (struct mt7921_mcu_lp_event *)skb->data;
trace_lp_event(dev, event->state);
}
static void
mt7921_mcu_tx_done_event(struct mt792x_dev *dev, struct sk_buff *skb)
{
struct mt7921_mcu_tx_done_event *event;
skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
event = (struct mt7921_mcu_tx_done_event *)skb->data;
mt7921_mac_add_txs(dev, event->txs);
}
static void
mt7921_mcu_rssi_monitor_iter(void *priv, u8 *mac,
struct ieee80211_vif *vif)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct mt76_connac_rssi_notify_event *event = priv;
enum nl80211_cqm_rssi_threshold_event nl_event;
s32 rssi = le32_to_cpu(event->rssi[mvif->bss_conf.mt76.idx]);
if (!rssi)
return;
if (!(vif->driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
return;
if (rssi > vif->bss_conf.cqm_rssi_thold)
nl_event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH;
else
nl_event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW;
ieee80211_cqm_rssi_notify(vif, nl_event, rssi, GFP_KERNEL);
}
static void
mt7921_mcu_rssi_monitor_event(struct mt792x_dev *dev, struct sk_buff *skb)
{
struct mt76_connac_rssi_notify_event *event;
skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
event = (struct mt76_connac_rssi_notify_event *)skb->data;
ieee80211_iterate_active_interfaces_atomic(mt76_hw(dev),
IEEE80211_IFACE_ITER_RESUME_ALL,
mt7921_mcu_rssi_monitor_iter, event);
}
static void
mt7921_mcu_rx_unsolicited_event(struct mt792x_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_BSS_BEACON_LOSS:
mt7921_mcu_connection_loss_event(dev, skb);
break;
case MCU_EVENT_SCHED_SCAN_DONE:
case MCU_EVENT_SCAN_DONE:
mt7921_mcu_scan_event(dev, skb);
return;
case MCU_EVENT_DBG_MSG:
mt7921_mcu_debug_msg_event(dev, skb);
break;
case MCU_EVENT_COREDUMP:
dev->fw_assert = true;
mt76_connac_mcu_coredump_event(&dev->mt76, skb,
&dev->coredump);
return;
case MCU_EVENT_LP_INFO:
mt7921_mcu_low_power_event(dev, skb);
break;
case MCU_EVENT_TX_DONE:
mt7921_mcu_tx_done_event(dev, skb);
break;
case MCU_EVENT_RSSI_NOTIFY:
mt7921_mcu_rssi_monitor_event(dev, skb);
break;
default:
break;
}
dev_kfree_skb(skb);
}
static void
mt7921_mcu_uni_rx_unsolicited_event(struct mt792x_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_UNI_EVENT_ROC:
mt7921_mcu_uni_roc_event(dev, skb);
break;
default:
break;
}
dev_kfree_skb(skb);
}
void mt7921_mcu_rx_event(struct mt792x_dev *dev, struct sk_buff *skb)
{
struct mt76_connac2_mcu_rxd *rxd;
if (skb_linearize(skb))
return;
rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
if (rxd->option & MCU_UNI_CMD_UNSOLICITED_EVENT) {
mt7921_mcu_uni_rx_unsolicited_event(dev, skb);
return;
}
if (rxd->eid == 0x6) {
mt76_mcu_rx_event(&dev->mt76, skb);
return;
}
if (rxd->ext_eid == MCU_EXT_EVENT_RATE_REPORT ||
rxd->eid == MCU_EVENT_BSS_BEACON_LOSS ||
rxd->eid == MCU_EVENT_SCHED_SCAN_DONE ||
rxd->eid == MCU_EVENT_RSSI_NOTIFY ||
rxd->eid == MCU_EVENT_SCAN_DONE ||
rxd->eid == MCU_EVENT_TX_DONE ||
rxd->eid == MCU_EVENT_DBG_MSG ||
rxd->eid == MCU_EVENT_COREDUMP ||
rxd->eid == MCU_EVENT_LP_INFO ||
!rxd->seq)
mt7921_mcu_rx_unsolicited_event(dev, skb);
else
mt76_mcu_rx_event(&dev->mt76, skb);
}
/** starec & wtbl **/
int mt7921_mcu_uni_tx_ba(struct mt792x_dev *dev,
struct ieee80211_ampdu_params *params,
bool enable)
{
struct mt792x_sta *msta = (struct mt792x_sta *)params->sta->drv_priv;
if (enable && !params->amsdu)
msta->deflink.wcid.amsdu = false;
return mt76_connac_mcu_sta_ba(&dev->mt76, &msta->vif->bss_conf.mt76, params,
MCU_UNI_CMD(STA_REC_UPDATE),
enable, true);
}
int mt7921_mcu_uni_rx_ba(struct mt792x_dev *dev,
struct ieee80211_ampdu_params *params,
bool enable)
{
struct mt792x_sta *msta = (struct mt792x_sta *)params->sta->drv_priv;
return mt76_connac_mcu_sta_ba(&dev->mt76, &msta->vif->bss_conf.mt76, params,
MCU_UNI_CMD(STA_REC_UPDATE),
enable, false);
}
static int mt7921_load_clc(struct mt792x_dev *dev, const char *fw_name)
{
const struct mt76_connac2_fw_trailer *hdr;
const struct mt76_connac2_fw_region *region;
const struct mt7921_clc *clc;
struct mt76_dev *mdev = &dev->mt76;
struct mt792x_phy *phy = &dev->phy;
const struct firmware *fw;
int ret, i, len, offset = 0;
u8 *clc_base = NULL, hw_encap = 0;
dev->phy.clc_chan_conf = 0xff;
if (mt7921_disable_clc ||
mt76_is_usb(&dev->mt76))
return 0;
if (mt76_is_mmio(&dev->mt76)) {
ret = mt7921_mcu_read_eeprom(dev, MT_EE_HW_TYPE, &hw_encap);
if (ret)
return ret;
hw_encap = u8_get_bits(hw_encap, MT_EE_HW_TYPE_ENCAP);
}
ret = request_firmware(&fw, fw_name, mdev->dev);
if (ret)
return ret;
if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
dev_err(mdev->dev, "Invalid firmware\n");
ret = -EINVAL;
goto out;
}
hdr = (const void *)(fw->data + fw->size - sizeof(*hdr));
for (i = 0; i < hdr->n_region; i++) {
region = (const void *)((const u8 *)hdr -
(hdr->n_region - i) * sizeof(*region));
len = le32_to_cpu(region->len);
/* check if we have valid buffer size */
if (offset + len > fw->size) {
dev_err(mdev->dev, "Invalid firmware region\n");
ret = -EINVAL;
goto out;
}
if ((region->feature_set & FW_FEATURE_NON_DL) &&
region->type == FW_TYPE_CLC) {
clc_base = (u8 *)(fw->data + offset);
break;
}
offset += len;
}
if (!clc_base)
goto out;
for (offset = 0; offset < len; offset += le32_to_cpu(clc->len)) {
clc = (const struct mt7921_clc *)(clc_base + offset);
/* do not init buf again if chip reset triggered */
if (phy->clc[clc->idx])
continue;
/* header content sanity */
if (clc->idx == MT7921_CLC_POWER &&
u8_get_bits(clc->type, MT_EE_HW_TYPE_ENCAP) != hw_encap)
continue;
phy->clc[clc->idx] = devm_kmemdup(mdev->dev, clc,
le32_to_cpu(clc->len),
GFP_KERNEL);
if (!phy->clc[clc->idx]) {
ret = -ENOMEM;
goto out;
}
}
ret = mt7921_mcu_set_clc(dev, "00", ENVIRON_INDOOR);
out:
release_firmware(fw);
return ret;
}
static void mt7921_mcu_parse_tx_resource(struct mt76_dev *dev,
struct sk_buff *skb)
{
struct mt76_sdio *sdio = &dev->sdio;
struct mt7921_tx_resource {
__le32 version;
__le32 pse_data_quota;
__le32 pse_mcu_quota;
__le32 ple_data_quota;
__le32 ple_mcu_quota;
__le16 pse_page_size;
__le16 ple_page_size;
u8 pp_padding;
u8 pad[3];
} __packed * tx_res;
tx_res = (struct mt7921_tx_resource *)skb->data;
sdio->sched.pse_data_quota = le32_to_cpu(tx_res->pse_data_quota);
sdio->sched.pse_mcu_quota = le32_to_cpu(tx_res->pse_mcu_quota);
sdio->sched.ple_data_quota = le32_to_cpu(tx_res->ple_data_quota);
sdio->sched.pse_page_size = le16_to_cpu(tx_res->pse_page_size);
sdio->sched.deficit = tx_res->pp_padding;
}
static void mt7921_mcu_parse_phy_cap(struct mt76_dev *dev,
struct sk_buff *skb)
{
struct mt7921_phy_cap {
u8 ht;
u8 vht;
u8 _5g;
u8 max_bw;
u8 nss;
u8 dbdc;
u8 tx_ldpc;
u8 rx_ldpc;
u8 tx_stbc;
u8 rx_stbc;
u8 hw_path;
u8 he;
} __packed * cap;
enum {
WF0_24G,
WF0_5G
};
cap = (struct mt7921_phy_cap *)skb->data;
dev->phy.antenna_mask = BIT(cap->nss) - 1;
dev->phy.chainmask = dev->phy.antenna_mask;
dev->phy.cap.has_2ghz = cap->hw_path & BIT(WF0_24G);
dev->phy.cap.has_5ghz = cap->hw_path & BIT(WF0_5G);
}
static int mt7921_mcu_get_nic_capability(struct mt792x_phy *mphy)
{
struct mt76_connac_cap_hdr {
__le16 n_element;
u8 rsv[2];
} __packed * hdr;
struct sk_buff *skb;
struct mt76_phy *phy = mphy->mt76;
int ret, i;
ret = mt76_mcu_send_and_get_msg(phy->dev, MCU_CE_CMD(GET_NIC_CAPAB),
NULL, 0, true, &skb);
if (ret)
return ret;
hdr = (struct mt76_connac_cap_hdr *)skb->data;
if (skb->len < sizeof(*hdr)) {
ret = -EINVAL;
goto out;
}
skb_pull(skb, sizeof(*hdr));
for (i = 0; i < le16_to_cpu(hdr->n_element); i++) {
struct tlv_hdr {
__le32 type;
__le32 len;
} __packed * tlv = (struct tlv_hdr *)skb->data;
int len;
if (skb->len < sizeof(*tlv))
break;
skb_pull(skb, sizeof(*tlv));
len = le32_to_cpu(tlv->len);
if (skb->len < len)
break;
switch (le32_to_cpu(tlv->type)) {
case MT_NIC_CAP_6G:
phy->cap.has_6ghz = skb->data[0];
break;
case MT_NIC_CAP_MAC_ADDR:
memcpy(phy->macaddr, (void *)skb->data, ETH_ALEN);
break;
case MT_NIC_CAP_PHY:
mt7921_mcu_parse_phy_cap(phy->dev, skb);
break;
case MT_NIC_CAP_TX_RESOURCE:
if (mt76_is_sdio(phy->dev))
mt7921_mcu_parse_tx_resource(phy->dev,
skb);
break;
case MT_NIC_CAP_CHIP_CAP:
memcpy(&mphy->chip_cap, (void *)skb->data, sizeof(u64));
break;
default:
break;
}
skb_pull(skb, len);
}
out:
dev_kfree_skb(skb);
return ret;
}
int mt7921_mcu_fw_log_2_host(struct mt792x_dev *dev, u8 ctrl)
{
struct {
u8 ctrl_val;
u8 pad[3];
} data = {
.ctrl_val = ctrl
};
return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(FWLOG_2_HOST),
&data, sizeof(data), false);
}
int mt7921_run_firmware(struct mt792x_dev *dev)
{
int err;
err = mt792x_load_firmware(dev);
if (err)
return err;
err = mt7921_mcu_get_nic_capability(&dev->phy);
if (err)
return err;
err = mt7921_load_clc(dev, mt792x_ram_name(dev));
if (err)
return err;
set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
return mt7921_mcu_fw_log_2_host(dev, 1);
}
EXPORT_SYMBOL_GPL(mt7921_run_firmware);
int mt7921_mcu_radio_led_ctrl(struct mt792x_dev *dev, u8 value)
{
struct {
u8 ctrlid;
u8 rsv[3];
} __packed req = {
.ctrlid = value,
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(ID_RADIO_ON_OFF_CTRL),
&req, sizeof(req), false);
}
EXPORT_SYMBOL_GPL(mt7921_mcu_radio_led_ctrl);
int mt7921_mcu_set_tx(struct mt792x_dev *dev, struct ieee80211_vif *vif)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct edca {
__le16 cw_min;
__le16 cw_max;
__le16 txop;
__le16 aifs;
u8 guardtime;
u8 acm;
} __packed;
struct mt7921_mcu_tx {
struct edca edca[IEEE80211_NUM_ACS];
u8 bss_idx;
u8 qos;
u8 wmm_idx;
u8 pad;
} __packed req = {
.bss_idx = mvif->bss_conf.mt76.idx,
.qos = vif->bss_conf.qos,
.wmm_idx = mvif->bss_conf.mt76.wmm_idx,
};
struct mu_edca {
u8 cw_min;
u8 cw_max;
u8 aifsn;
u8 acm;
u8 timer;
u8 padding[3];
};
struct mt7921_mcu_mu_tx {
u8 ver;
u8 pad0;
__le16 len;
u8 bss_idx;
u8 qos;
u8 wmm_idx;
u8 pad1;
struct mu_edca edca[IEEE80211_NUM_ACS];
u8 pad3[32];
} __packed req_mu = {
.bss_idx = mvif->bss_conf.mt76.idx,
.qos = vif->bss_conf.qos,
.wmm_idx = mvif->bss_conf.mt76.wmm_idx,
};
static const int to_aci[] = { 1, 0, 2, 3 };
int ac, ret;
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
struct ieee80211_tx_queue_params *q = &mvif->bss_conf.queue_params[ac];
struct edca *e = &req.edca[to_aci[ac]];
e->aifs = cpu_to_le16(q->aifs);
e->txop = cpu_to_le16(q->txop);
if (q->cw_min)
e->cw_min = cpu_to_le16(q->cw_min);
else
e->cw_min = cpu_to_le16(5);
if (q->cw_max)
e->cw_max = cpu_to_le16(q->cw_max);
else
e->cw_max = cpu_to_le16(10);
}
ret = mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_EDCA_PARMS), &req,
sizeof(req), false);
if (ret)
return ret;
if (!vif->bss_conf.he_support)
return 0;
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
struct ieee80211_he_mu_edca_param_ac_rec *q;
struct mu_edca *e;
if (!mvif->bss_conf.queue_params[ac].mu_edca)
break;
q = &mvif->bss_conf.queue_params[ac].mu_edca_param_rec;
e = &(req_mu.edca[to_aci[ac]]);
e->cw_min = q->ecw_min_max & 0xf;
e->cw_max = (q->ecw_min_max & 0xf0) >> 4;
e->aifsn = q->aifsn;
e->timer = q->mu_edca_timer;
}
return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_MU_EDCA_PARMS),
&req_mu, sizeof(req_mu), false);
}
int mt7921_mcu_set_roc(struct mt792x_phy *phy, struct mt792x_vif *vif,
struct ieee80211_channel *chan, int duration,
enum mt7921_roc_req type, u8 token_id)
{
int center_ch = ieee80211_frequency_to_channel(chan->center_freq);
struct mt792x_dev *dev = phy->dev;
struct {
struct {
u8 rsv[4];
} __packed hdr;
struct roc_acquire_tlv {
__le16 tag;
__le16 len;
u8 bss_idx;
u8 tokenid;
u8 control_channel;
u8 sco;
u8 band;
u8 bw;
u8 center_chan;
u8 center_chan2;
u8 bw_from_ap;
u8 center_chan_from_ap;
u8 center_chan2_from_ap;
u8 reqtype;
__le32 maxinterval;
u8 dbdcband;
u8 rsv[3];
} __packed roc;
} __packed req = {
.roc = {
.tag = cpu_to_le16(UNI_ROC_ACQUIRE),
.len = cpu_to_le16(sizeof(struct roc_acquire_tlv)),
.tokenid = token_id,
.reqtype = type,
.maxinterval = cpu_to_le32(duration),
.bss_idx = vif->bss_conf.mt76.idx,
.control_channel = chan->hw_value,
.bw = CMD_CBW_20MHZ,
.bw_from_ap = CMD_CBW_20MHZ,
.center_chan = center_ch,
.center_chan_from_ap = center_ch,
.dbdcband = 0xff, /* auto */
},
};
if (chan->hw_value < center_ch)
req.roc.sco = 1; /* SCA */
else if (chan->hw_value > center_ch)
req.roc.sco = 3; /* SCB */
switch (chan->band) {
case NL80211_BAND_6GHZ:
req.roc.band = 3;
break;
case NL80211_BAND_5GHZ:
req.roc.band = 2;
break;
default:
req.roc.band = 1;
break;
}
return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(ROC),
&req, sizeof(req), false);
}
int mt7921_mcu_abort_roc(struct mt792x_phy *phy, struct mt792x_vif *vif,
u8 token_id)
{
struct mt792x_dev *dev = phy->dev;
struct {
struct {
u8 rsv[4];
} __packed hdr;
struct roc_abort_tlv {
__le16 tag;
__le16 len;
u8 bss_idx;
u8 tokenid;
u8 dbdcband;
u8 rsv[5];
} __packed abort;
} __packed req = {
.abort = {
.tag = cpu_to_le16(UNI_ROC_ABORT),
.len = cpu_to_le16(sizeof(struct roc_abort_tlv)),
.tokenid = token_id,
.bss_idx = vif->bss_conf.mt76.idx,
.dbdcband = 0xff, /* auto*/
},
};
return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(ROC),
&req, sizeof(req), false);
}
int mt7921_mcu_set_chan_info(struct mt792x_phy *phy, int cmd)
{
struct mt792x_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 != &dev->phy,
};
if (chandef->chan->band == NL80211_BAND_6GHZ)
req.channel_band = 2;
else
req.channel_band = chandef->chan->band;
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->offchannel)
req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD;
else if (!cfg80211_reg_can_beacon(dev->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);
}
int mt7921_mcu_set_eeprom(struct mt792x_dev *dev)
{
struct req_hdr {
u8 buffer_mode;
u8 format;
__le16 len;
} __packed req = {
.buffer_mode = EE_MODE_EFUSE,
.format = EE_FORMAT_WHOLE,
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(EFUSE_BUFFER_MODE),
&req, sizeof(req), true);
}
EXPORT_SYMBOL_GPL(mt7921_mcu_set_eeprom);
int mt7921_mcu_uni_bss_ps(struct mt792x_dev *dev, struct ieee80211_vif *vif)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct {
struct {
u8 bss_idx;
u8 pad[3];
} __packed hdr;
struct ps_tlv {
__le16 tag;
__le16 len;
u8 ps_state; /* 0: device awake
* 1: static power save
* 2: dynamic power saving
* 3: enter TWT power saving
* 4: leave TWT power saving
*/
u8 pad[3];
} __packed ps;
} __packed ps_req = {
.hdr = {
.bss_idx = mvif->bss_conf.mt76.idx,
},
.ps = {
.tag = cpu_to_le16(UNI_BSS_INFO_PS),
.len = cpu_to_le16(sizeof(struct ps_tlv)),
.ps_state = vif->cfg.ps ? 2 : 0,
},
};
if (vif->type != NL80211_IFTYPE_STATION)
return -EOPNOTSUPP;
return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(BSS_INFO_UPDATE),
&ps_req, sizeof(ps_req), true);
}
static int
mt7921_mcu_uni_bss_bcnft(struct mt792x_dev *dev, struct ieee80211_vif *vif,
bool enable)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct {
struct {
u8 bss_idx;
u8 pad[3];
} __packed hdr;
struct bcnft_tlv {
__le16 tag;
__le16 len;
__le16 bcn_interval;
u8 dtim_period;
u8 pad;
} __packed bcnft;
} __packed bcnft_req = {
.hdr = {
.bss_idx = mvif->bss_conf.mt76.idx,
},
.bcnft = {
.tag = cpu_to_le16(UNI_BSS_INFO_BCNFT),
.len = cpu_to_le16(sizeof(struct bcnft_tlv)),
.bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int),
.dtim_period = vif->bss_conf.dtim_period,
},
};
if (vif->type != NL80211_IFTYPE_STATION)
return 0;
return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(BSS_INFO_UPDATE),
&bcnft_req, sizeof(bcnft_req), true);
}
int
mt7921_mcu_set_bss_pm(struct mt792x_dev *dev, struct ieee80211_vif *vif,
bool enable)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct {
u8 bss_idx;
u8 dtim_period;
__le16 aid;
__le16 bcn_interval;
__le16 atim_window;
u8 uapsd;
u8 bmc_delivered_ac;
u8 bmc_triggered_ac;
u8 pad;
} req = {
.bss_idx = mvif->bss_conf.mt76.idx,
.aid = cpu_to_le16(vif->cfg.aid),
.dtim_period = vif->bss_conf.dtim_period,
.bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int),
};
struct {
u8 bss_idx;
u8 pad[3];
} req_hdr = {
.bss_idx = mvif->bss_conf.mt76.idx,
};
int err;
err = mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_BSS_ABORT),
&req_hdr, sizeof(req_hdr), false);
if (err < 0 || !enable)
return err;
return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_BSS_CONNECTED),
&req, sizeof(req), false);
}
int mt7921_mcu_sta_update(struct mt792x_dev *dev, struct ieee80211_sta *sta,
struct ieee80211_vif *vif, bool enable,
enum mt76_sta_info_state state)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
int rssi = -ewma_rssi_read(&mvif->bss_conf.rssi);
struct mt76_sta_cmd_info info = {
.sta = sta,
.vif = vif,
.enable = enable,
.cmd = MCU_UNI_CMD(STA_REC_UPDATE),
.state = state,
.offload_fw = true,
.rcpi = to_rcpi(rssi),
};
struct mt792x_sta *msta;
msta = sta ? (struct mt792x_sta *)sta->drv_priv : NULL;
info.wcid = msta ? &msta->deflink.wcid : &mvif->sta.deflink.wcid;
info.newly = msta ? state != MT76_STA_INFO_STATE_ASSOC : true;
return mt76_connac_mcu_sta_cmd(&dev->mphy, &info);
}
int mt7921_mcu_set_beacon_filter(struct mt792x_dev *dev,
struct ieee80211_vif *vif,
bool enable)
{
#define MT7921_FIF_BIT_CLR BIT(1)
#define MT7921_FIF_BIT_SET BIT(0)
int err;
if (enable) {
err = mt7921_mcu_uni_bss_bcnft(dev, vif, true);
if (err)
return err;
err = mt7921_mcu_set_rxfilter(dev, 0,
MT7921_FIF_BIT_SET,
MT_WF_RFCR_DROP_OTHER_BEACON);
if (err)
return err;
return 0;
}
err = mt7921_mcu_set_bss_pm(dev, vif, false);
if (err)
return err;
err = mt7921_mcu_set_rxfilter(dev, 0,
MT7921_FIF_BIT_CLR,
MT_WF_RFCR_DROP_OTHER_BEACON);
if (err)
return err;
return 0;
}
int mt7921_get_txpwr_info(struct mt792x_dev *dev, struct mt7921_txpwr *txpwr)
{
struct mt7921_txpwr_event *event;
struct mt7921_txpwr_req req = {
.dbdc_idx = 0,
};
struct sk_buff *skb;
int ret;
ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_CE_CMD(GET_TXPWR),
&req, sizeof(req), true, &skb);
if (ret)
return ret;
event = (struct mt7921_txpwr_event *)skb->data;
WARN_ON(skb->len != le16_to_cpu(event->len));
memcpy(txpwr, &event->txpwr, sizeof(event->txpwr));
dev_kfree_skb(skb);
return 0;
}
int mt7921_mcu_set_sniffer(struct mt792x_dev *dev, struct ieee80211_vif *vif,
bool enable)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
struct {
struct {
u8 band_idx;
u8 pad[3];
} __packed hdr;
struct sniffer_enable_tlv {
__le16 tag;
__le16 len;
u8 enable;
u8 pad[3];
} __packed enable;
} req = {
.hdr = {
.band_idx = mvif->band_idx,
},
.enable = {
.tag = cpu_to_le16(0),
.len = cpu_to_le16(sizeof(struct sniffer_enable_tlv)),
.enable = enable,
},
};
return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(SNIFFER), &req, sizeof(req),
true);
}
int mt7921_mcu_config_sniffer(struct mt792x_vif *vif,
struct ieee80211_chanctx_conf *ctx)
{
struct cfg80211_chan_def *chandef = &ctx->def;
int freq1 = chandef->center_freq1, freq2 = chandef->center_freq2;
static const u8 ch_band[] = {
[NL80211_BAND_2GHZ] = 1,
[NL80211_BAND_5GHZ] = 2,
[NL80211_BAND_6GHZ] = 3,
};
static const u8 ch_width[] = {
[NL80211_CHAN_WIDTH_20_NOHT] = 0,
[NL80211_CHAN_WIDTH_20] = 0,
[NL80211_CHAN_WIDTH_40] = 0,
[NL80211_CHAN_WIDTH_80] = 1,
[NL80211_CHAN_WIDTH_160] = 2,
[NL80211_CHAN_WIDTH_80P80] = 3,
[NL80211_CHAN_WIDTH_5] = 4,
[NL80211_CHAN_WIDTH_10] = 5,
[NL80211_CHAN_WIDTH_320] = 6,
};
struct {
struct {
u8 band_idx;
u8 pad[3];
} __packed hdr;
struct config_tlv {
__le16 tag;
__le16 len;
u16 aid;
u8 ch_band;
u8 bw;
u8 control_ch;
u8 sco;
u8 center_ch;
u8 center_ch2;
u8 drop_err;
u8 pad[3];
} __packed tlv;
} __packed req = {
.hdr = {
.band_idx = vif->bss_conf.mt76.band_idx,
},
.tlv = {
.tag = cpu_to_le16(1),
.len = cpu_to_le16(sizeof(req.tlv)),
.control_ch = chandef->chan->hw_value,
.center_ch = ieee80211_frequency_to_channel(freq1),
.drop_err = 1,
},
};
if (chandef->chan->band < ARRAY_SIZE(ch_band))
req.tlv.ch_band = ch_band[chandef->chan->band];
if (chandef->width < ARRAY_SIZE(ch_width))
req.tlv.bw = ch_width[chandef->width];
if (freq2)
req.tlv.center_ch2 = ieee80211_frequency_to_channel(freq2);
if (req.tlv.control_ch < req.tlv.center_ch)
req.tlv.sco = 1; /* SCA */
else if (req.tlv.control_ch > req.tlv.center_ch)
req.tlv.sco = 3; /* SCB */
return mt76_mcu_send_msg(vif->phy->mt76->dev, MCU_UNI_CMD(SNIFFER),
&req, sizeof(req), true);
}
int
mt7921_mcu_uni_add_beacon_offload(struct mt792x_dev *dev,
struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
bool enable)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct mt76_wcid *wcid = &dev->mt76.global_wcid;
struct ieee80211_mutable_offsets offs;
struct {
struct req_hdr {
u8 bss_idx;
u8 pad[3];
} __packed hdr;
struct bcn_content_tlv {
__le16 tag;
__le16 len;
__le16 tim_ie_pos;
__le16 csa_ie_pos;
__le16 bcc_ie_pos;
/* 0: disable beacon offload
* 1: enable beacon offload
* 2: update probe respond offload
*/
u8 enable;
/* 0: legacy format (TXD + payload)
* 1: only cap field IE
*/
u8 type;
__le16 pkt_len;
u8 pkt[512];
} __packed beacon_tlv;
} req = {
.hdr = {
.bss_idx = mvif->bss_conf.mt76.idx,
},
.beacon_tlv = {
.tag = cpu_to_le16(UNI_BSS_INFO_BCN_CONTENT),
.len = cpu_to_le16(sizeof(struct bcn_content_tlv)),
.enable = enable,
},
};
struct sk_buff *skb;
/* support enable/update process only
* disable flow would be handled in bss stop handler automatically
*/
if (!enable)
return -EOPNOTSUPP;
skb = ieee80211_beacon_get_template(mt76_hw(dev), vif, &offs, 0);
if (!skb)
return -EINVAL;
if (skb->len > 512 - MT_TXD_SIZE) {
dev_err(dev->mt76.dev, "beacon size limit exceed\n");
dev_kfree_skb(skb);
return -EINVAL;
}
mt76_connac2_mac_write_txwi(&dev->mt76, (__le32 *)(req.beacon_tlv.pkt),
skb, wcid, NULL, 0, 0, BSS_CHANGED_BEACON);
memcpy(req.beacon_tlv.pkt + MT_TXD_SIZE, skb->data, skb->len);
req.beacon_tlv.pkt_len = cpu_to_le16(MT_TXD_SIZE + skb->len);
req.beacon_tlv.tim_ie_pos = cpu_to_le16(MT_TXD_SIZE + offs.tim_offset);
if (offs.cntdwn_counter_offs[0]) {
u16 csa_offs;
csa_offs = MT_TXD_SIZE + offs.cntdwn_counter_offs[0] - 4;
req.beacon_tlv.csa_ie_pos = cpu_to_le16(csa_offs);
}
dev_kfree_skb(skb);
return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(BSS_INFO_UPDATE),
&req, sizeof(req), true);
}
static
int __mt7921_mcu_set_clc(struct mt792x_dev *dev, u8 *alpha2,
enum environment_cap env_cap,
struct mt7921_clc *clc,
u8 idx)
{
#define CLC_CAP_EVT_EN BIT(0)
#define CLC_CAP_DTS_EN BIT(1)
struct sk_buff *skb, *ret_skb = NULL;
struct {
u8 ver;
u8 pad0;
__le16 len;
u8 idx;
u8 env;
u8 acpi_conf;
u8 cap;
u8 alpha2[2];
u8 type[2];
u8 env_6g;
u8 mtcl_conf;
u8 rsvd[62];
} __packed req = {
.ver = 1,
.idx = idx,
.env = env_cap,
.env_6g = dev->phy.power_type,
.acpi_conf = mt792x_acpi_get_flags(&dev->phy),
.mtcl_conf = mt792x_acpi_get_mtcl_conf(&dev->phy, alpha2),
};
int ret, valid_cnt = 0;
u32 buf_len = 0;
u8 *pos;
if (!clc)
return 0;
if (dev->phy.chip_cap & MT792x_CHIP_CAP_CLC_EVT_EN)
req.cap |= CLC_CAP_EVT_EN;
if (mt76_find_power_limits_node(&dev->mt76))
req.cap |= CLC_CAP_DTS_EN;
buf_len = le32_to_cpu(clc->len) - sizeof(*clc);
pos = clc->data;
while (buf_len > 16) {
struct mt7921_clc_rule *rule = (struct mt7921_clc_rule *)pos;
u16 len = le16_to_cpu(rule->len);
u16 offset = len + sizeof(*rule);
pos += offset;
buf_len -= offset;
if (rule->alpha2[0] != alpha2[0] ||
rule->alpha2[1] != alpha2[1])
continue;
memcpy(req.alpha2, rule->alpha2, 2);
memcpy(req.type, rule->type, 2);
req.len = cpu_to_le16(sizeof(req) + len);
skb = __mt76_mcu_msg_alloc(&dev->mt76, &req,
le16_to_cpu(req.len),
sizeof(req), GFP_KERNEL);
if (!skb)
return -ENOMEM;
skb_put_data(skb, rule->data, len);
ret = mt76_mcu_skb_send_and_get_msg(&dev->mt76, skb,
MCU_CE_CMD(SET_CLC),
!!(req.cap & CLC_CAP_EVT_EN),
&ret_skb);
if (ret < 0)
return ret;
if (ret_skb) {
struct mt7921_clc_info_tlv *info;
info = (struct mt7921_clc_info_tlv *)(ret_skb->data + 4);
dev->phy.clc_chan_conf = info->chan_conf;
dev_kfree_skb(ret_skb);
}
valid_cnt++;
}
if (!valid_cnt)
return -ENOENT;
return 0;
}
int mt7921_mcu_set_clc(struct mt792x_dev *dev, u8 *alpha2,
enum environment_cap env_cap)
{
struct mt792x_phy *phy = (struct mt792x_phy *)&dev->phy;
int i, ret;
/* submit all clc config */
for (i = 0; i < ARRAY_SIZE(phy->clc); i++) {
ret = __mt7921_mcu_set_clc(dev, alpha2, env_cap,
phy->clc[i], i);
/* If no country found, set "00" as default */
if (ret == -ENOENT)
ret = __mt7921_mcu_set_clc(dev, "00",
ENVIRON_INDOOR,
phy->clc[i], i);
if (ret < 0)
return ret;
}
return 0;
}
int mt7921_mcu_get_temperature(struct mt792x_phy *phy)
{
struct mt792x_dev *dev = phy->dev;
struct {
u8 ctrl_id;
u8 action;
u8 band_idx;
u8 rsv[5];
} req = {
.ctrl_id = THERMAL_SENSOR_TEMP_QUERY,
.band_idx = phy->mt76->band_idx,
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(THERMAL_CTRL), &req,
sizeof(req), true);
}
int mt7921_mcu_set_rxfilter(struct mt792x_dev *dev, u32 fif,
u8 bit_op, u32 bit_map)
{
struct {
u8 rsv[4];
u8 mode;
u8 rsv2[3];
__le32 fif;
__le32 bit_map; /* bit_* for bitmap update */
u8 bit_op;
u8 pad[51];
} __packed data = {
.mode = fif ? 1 : 2,
.fif = cpu_to_le32(fif),
.bit_map = cpu_to_le32(bit_map),
.bit_op = bit_op,
};
return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_RX_FILTER),
&data, sizeof(data), false);
}
int mt7921_mcu_set_rssimonitor(struct mt792x_dev *dev, struct ieee80211_vif *vif)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct {
u8 enable;
s8 cqm_rssi_high;
s8 cqm_rssi_low;
u8 bss_idx;
u16 duration;
u8 rsv2[2];
} __packed data = {
.enable = vif->cfg.assoc,
.cqm_rssi_high = vif->bss_conf.cqm_rssi_thold + vif->bss_conf.cqm_rssi_hyst,
.cqm_rssi_low = vif->bss_conf.cqm_rssi_thold - vif->bss_conf.cqm_rssi_hyst,
.bss_idx = mvif->bss_conf.mt76.idx,
};
return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(RSSI_MONITOR),
&data, sizeof(data), false);
}
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