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mcu.c
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mcu.c
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// SPDX-License-Identifier: ISC
/* Copyright (C) 2019 MediaTek Inc.
*
* Author: Roy Luo <royluo@google.com>
* Ryder Lee <ryder.lee@mediatek.com>
*/
#include <linux/firmware.h>
#include "mt7615.h"
#include "mcu.h"
#include "mac.h"
#include "eeprom.h"
static bool prefer_offload_fw = true;
module_param(prefer_offload_fw, bool, 0644);
MODULE_PARM_DESC(prefer_offload_fw,
"Prefer client mode offload firmware (MT7663)");
struct mt7615_patch_hdr {
char build_date[16];
char platform[4];
__be32 hw_sw_ver;
__be32 patch_ver;
__be16 checksum;
} __packed;
struct mt7615_fw_trailer {
__le32 addr;
u8 chip_id;
u8 feature_set;
u8 eco_code;
char fw_ver[10];
char build_date[15];
__le32 len;
} __packed;
#define FW_V3_COMMON_TAILER_SIZE 36
#define FW_V3_REGION_TAILER_SIZE 40
#define FW_START_OVERRIDE BIT(0)
#define FW_START_DLYCAL BIT(1)
#define FW_START_WORKING_PDA_CR4 BIT(2)
struct mt7663_fw_trailer {
u8 chip_id;
u8 eco_code;
u8 n_region;
u8 format_ver;
u8 format_flag;
u8 reserv[2];
char fw_ver[10];
char build_date[15];
__le32 crc;
} __packed;
struct mt7663_fw_buf {
__le32 crc;
__le32 d_img_size;
__le32 block_size;
u8 rsv[4];
__le32 img_dest_addr;
__le32 img_size;
u8 feature_set;
};
#define MT7615_PATCH_ADDRESS 0x80000
#define MT7622_PATCH_ADDRESS 0x9c000
#define MT7663_PATCH_ADDRESS 0xdc000
#define N9_REGION_NUM 2
#define CR4_REGION_NUM 1
#define IMG_CRC_LEN 4
#define FW_FEATURE_SET_ENCRYPT BIT(0)
#define FW_FEATURE_SET_KEY_IDX GENMASK(2, 1)
#define DL_MODE_ENCRYPT BIT(0)
#define DL_MODE_KEY_IDX GENMASK(2, 1)
#define DL_MODE_RESET_SEC_IV BIT(3)
#define DL_MODE_WORKING_PDA_CR4 BIT(4)
#define DL_MODE_VALID_RAM_ENTRY BIT(5)
#define DL_MODE_NEED_RSP BIT(31)
#define FW_START_OVERRIDE BIT(0)
#define FW_START_WORKING_PDA_CR4 BIT(2)
void mt7615_mcu_fill_msg(struct mt7615_dev *dev, struct sk_buff *skb,
int cmd, int *wait_seq)
{
int txd_len, mcu_cmd = cmd & MCU_CMD_MASK;
struct mt7615_uni_txd *uni_txd;
struct mt7615_mcu_txd *mcu_txd;
u8 seq, q_idx, pkt_fmt;
__le32 *txd;
u32 val;
/* TODO: make dynamic based on msg type */
dev->mt76.mcu.timeout = 20 * HZ;
seq = ++dev->mt76.mcu.msg_seq & 0xf;
if (!seq)
seq = ++dev->mt76.mcu.msg_seq & 0xf;
if (wait_seq)
*wait_seq = seq;
txd_len = cmd & MCU_UNI_PREFIX ? sizeof(*uni_txd) : sizeof(*mcu_txd);
txd = (__le32 *)skb_push(skb, txd_len);
if (cmd != MCU_CMD_FW_SCATTER) {
q_idx = MT_TX_MCU_PORT_RX_Q0;
pkt_fmt = MT_TX_TYPE_CMD;
} else {
q_idx = MT_TX_MCU_PORT_RX_FWDL;
pkt_fmt = MT_TX_TYPE_FW;
}
val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len) |
FIELD_PREP(MT_TXD0_P_IDX, MT_TX_PORT_IDX_MCU) |
FIELD_PREP(MT_TXD0_Q_IDX, q_idx);
txd[0] = cpu_to_le32(val);
val = MT_TXD1_LONG_FORMAT |
FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_CMD) |
FIELD_PREP(MT_TXD1_PKT_FMT, pkt_fmt);
txd[1] = cpu_to_le32(val);
if (cmd & MCU_UNI_PREFIX) {
uni_txd = (struct mt7615_uni_txd *)txd;
uni_txd->len = cpu_to_le16(skb->len - sizeof(uni_txd->txd));
uni_txd->option = MCU_CMD_UNI_EXT_ACK;
uni_txd->cid = cpu_to_le16(mcu_cmd);
uni_txd->s2d_index = MCU_S2D_H2N;
uni_txd->pkt_type = MCU_PKT_ID;
uni_txd->seq = seq;
return;
}
mcu_txd = (struct mt7615_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, q_idx));
mcu_txd->s2d_index = MCU_S2D_H2N;
mcu_txd->pkt_type = MCU_PKT_ID;
mcu_txd->seq = seq;
switch (cmd & ~MCU_CMD_MASK) {
case MCU_FW_PREFIX:
mcu_txd->set_query = MCU_Q_NA;
mcu_txd->cid = mcu_cmd;
break;
case MCU_CE_PREFIX:
if (cmd & MCU_QUERY_MASK)
mcu_txd->set_query = MCU_Q_QUERY;
else
mcu_txd->set_query = MCU_Q_SET;
mcu_txd->cid = mcu_cmd;
break;
default:
mcu_txd->cid = MCU_CMD_EXT_CID;
if (cmd & MCU_QUERY_PREFIX)
mcu_txd->set_query = MCU_Q_QUERY;
else
mcu_txd->set_query = MCU_Q_SET;
mcu_txd->ext_cid = mcu_cmd;
mcu_txd->ext_cid_ack = 1;
break;
}
}
EXPORT_SYMBOL_GPL(mt7615_mcu_fill_msg);
int mt7615_mcu_parse_response(struct mt76_dev *mdev, int cmd,
struct sk_buff *skb, int seq)
{
struct mt7615_mcu_rxd *rxd;
int ret = 0;
if (!skb) {
dev_err(mdev->dev, "Message %ld (seq %d) timeout\n",
cmd & MCU_CMD_MASK, seq);
return -ETIMEDOUT;
}
rxd = (struct mt7615_mcu_rxd *)skb->data;
if (seq != rxd->seq)
return -EAGAIN;
switch (cmd) {
case MCU_CMD_PATCH_SEM_CONTROL:
skb_pull(skb, sizeof(*rxd) - 4);
ret = *skb->data;
break;
case MCU_EXT_CMD_GET_TEMP:
skb_pull(skb, sizeof(*rxd));
ret = le32_to_cpu(*(__le32 *)skb->data);
break;
case MCU_EXT_CMD_RF_REG_ACCESS | MCU_QUERY_PREFIX:
skb_pull(skb, sizeof(*rxd));
ret = le32_to_cpu(*(__le32 *)&skb->data[8]);
break;
case MCU_UNI_CMD_DEV_INFO_UPDATE:
case MCU_UNI_CMD_BSS_INFO_UPDATE:
case MCU_UNI_CMD_STA_REC_UPDATE:
case MCU_UNI_CMD_HIF_CTRL:
case MCU_UNI_CMD_OFFLOAD:
case MCU_UNI_CMD_SUSPEND: {
struct mt7615_mcu_uni_event *event;
skb_pull(skb, sizeof(*rxd));
event = (struct mt7615_mcu_uni_event *)skb->data;
ret = le32_to_cpu(event->status);
break;
}
case MCU_CMD_REG_READ: {
struct mt7615_mcu_reg_event *event;
skb_pull(skb, sizeof(*rxd));
event = (struct mt7615_mcu_reg_event *)skb->data;
ret = (int)le32_to_cpu(event->val);
break;
}
default:
break;
}
return ret;
}
EXPORT_SYMBOL_GPL(mt7615_mcu_parse_response);
static int
mt7615_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
int cmd, int *seq)
{
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
enum mt76_mcuq_id qid;
mt7615_mcu_fill_msg(dev, skb, cmd, seq);
if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state))
qid = MT_MCUQ_WM;
else
qid = MT_MCUQ_FWDL;
return mt76_tx_queue_skb_raw(dev, dev->mt76.q_mcu[qid], skb, 0);
}
u32 mt7615_rf_rr(struct mt7615_dev *dev, u32 wf, u32 reg)
{
struct {
__le32 wifi_stream;
__le32 address;
__le32 data;
} req = {
.wifi_stream = cpu_to_le32(wf),
.address = cpu_to_le32(reg),
};
return mt76_mcu_send_msg(&dev->mt76,
MCU_EXT_CMD_RF_REG_ACCESS | MCU_QUERY_PREFIX,
&req, sizeof(req), true);
}
int mt7615_rf_wr(struct mt7615_dev *dev, u32 wf, u32 reg, u32 val)
{
struct {
__le32 wifi_stream;
__le32 address;
__le32 data;
} req = {
.wifi_stream = cpu_to_le32(wf),
.address = cpu_to_le32(reg),
.data = cpu_to_le32(val),
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_RF_REG_ACCESS, &req,
sizeof(req), false);
}
static void mt7622_trigger_hif_int(struct mt7615_dev *dev, bool en)
{
if (!is_mt7622(&dev->mt76))
return;
regmap_update_bits(dev->infracfg, MT_INFRACFG_MISC,
MT_INFRACFG_MISC_AP2CONN_WAKE,
!en * MT_INFRACFG_MISC_AP2CONN_WAKE);
}
static int mt7615_mcu_drv_pmctrl(struct mt7615_dev *dev)
{
struct mt76_phy *mphy = &dev->mt76.phy;
struct mt76_dev *mdev = &dev->mt76;
u32 addr;
int err;
addr = is_mt7663(mdev) ? MT_PCIE_DOORBELL_PUSH : MT_CFG_LPCR_HOST;
mt76_wr(dev, addr, MT_CFG_LPCR_HOST_DRV_OWN);
mt7622_trigger_hif_int(dev, true);
addr = is_mt7663(mdev) ? MT_CONN_HIF_ON_LPCTL : MT_CFG_LPCR_HOST;
err = !mt76_poll_msec(dev, addr, MT_CFG_LPCR_HOST_FW_OWN, 0, 3000);
mt7622_trigger_hif_int(dev, false);
if (err) {
dev_err(mdev->dev, "driver own failed\n");
return -ETIMEDOUT;
}
clear_bit(MT76_STATE_PM, &mphy->state);
return 0;
}
static int mt7615_mcu_lp_drv_pmctrl(struct mt7615_dev *dev)
{
struct mt76_phy *mphy = &dev->mt76.phy;
int i;
if (!test_and_clear_bit(MT76_STATE_PM, &mphy->state))
goto out;
for (i = 0; i < MT7615_DRV_OWN_RETRY_COUNT; i++) {
mt76_wr(dev, MT_PCIE_DOORBELL_PUSH, MT_CFG_LPCR_HOST_DRV_OWN);
if (mt76_poll_msec(dev, MT_CONN_HIF_ON_LPCTL,
MT_CFG_LPCR_HOST_FW_OWN, 0, 50))
break;
}
if (i == MT7615_DRV_OWN_RETRY_COUNT) {
dev_err(dev->mt76.dev, "driver own failed\n");
set_bit(MT76_STATE_PM, &mphy->state);
return -EIO;
}
out:
dev->pm.last_activity = jiffies;
return 0;
}
static int mt7615_mcu_fw_pmctrl(struct mt7615_dev *dev)
{
struct mt76_phy *mphy = &dev->mt76.phy;
int err = 0;
u32 addr;
if (test_and_set_bit(MT76_STATE_PM, &mphy->state))
return 0;
mt7622_trigger_hif_int(dev, true);
addr = is_mt7663(&dev->mt76) ? MT_CONN_HIF_ON_LPCTL : MT_CFG_LPCR_HOST;
mt76_wr(dev, addr, MT_CFG_LPCR_HOST_FW_OWN);
if (is_mt7622(&dev->mt76) &&
!mt76_poll_msec(dev, addr, MT_CFG_LPCR_HOST_FW_OWN,
MT_CFG_LPCR_HOST_FW_OWN, 3000)) {
dev_err(dev->mt76.dev, "Timeout for firmware own\n");
clear_bit(MT76_STATE_PM, &mphy->state);
err = -EIO;
}
mt7622_trigger_hif_int(dev, false);
return err;
}
static void
mt7615_mcu_csa_finish(void *priv, u8 *mac, struct ieee80211_vif *vif)
{
if (vif->csa_active)
ieee80211_csa_finish(vif);
}
static void
mt7615_mcu_rx_radar_detected(struct mt7615_dev *dev, struct sk_buff *skb)
{
struct mt76_phy *mphy = &dev->mt76.phy;
struct mt7615_mcu_rdd_report *r;
r = (struct mt7615_mcu_rdd_report *)skb->data;
if (r->idx && dev->mt76.phy2)
mphy = dev->mt76.phy2;
ieee80211_radar_detected(mphy->hw);
dev->hw_pattern++;
}
static void
mt7615_mcu_rx_log_message(struct mt7615_dev *dev, struct sk_buff *skb)
{
struct mt7615_mcu_rxd *rxd = (struct mt7615_mcu_rxd *)skb->data;
const char *data = (char *)&rxd[1];
const char *type;
switch (rxd->s2d_index) {
case 0:
type = "N9";
break;
case 2:
type = "CR4";
break;
default:
type = "unknown";
break;
}
wiphy_info(mt76_hw(dev)->wiphy, "%s: %s", type, data);
}
static void
mt7615_mcu_rx_ext_event(struct mt7615_dev *dev, struct sk_buff *skb)
{
struct mt7615_mcu_rxd *rxd = (struct mt7615_mcu_rxd *)skb->data;
switch (rxd->ext_eid) {
case MCU_EXT_EVENT_RDD_REPORT:
mt7615_mcu_rx_radar_detected(dev, skb);
break;
case MCU_EXT_EVENT_CSA_NOTIFY:
ieee80211_iterate_active_interfaces_atomic(dev->mt76.hw,
IEEE80211_IFACE_ITER_RESUME_ALL,
mt7615_mcu_csa_finish, dev);
break;
case MCU_EXT_EVENT_FW_LOG_2_HOST:
mt7615_mcu_rx_log_message(dev, skb);
break;
default:
break;
}
}
static void
mt7615_mcu_scan_event(struct mt7615_dev *dev, struct sk_buff *skb)
{
u8 *seq_num = skb->data + sizeof(struct mt7615_mcu_rxd);
struct mt7615_phy *phy;
struct mt76_phy *mphy;
if (*seq_num & BIT(7) && dev->mt76.phy2)
mphy = dev->mt76.phy2;
else
mphy = &dev->mt76.phy;
phy = (struct mt7615_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,
MT7615_HW_SCAN_TIMEOUT);
}
static void
mt7615_mcu_roc_event(struct mt7615_dev *dev, struct sk_buff *skb)
{
struct mt7615_roc_tlv *event;
struct mt7615_phy *phy;
struct mt76_phy *mphy;
int duration;
skb_pull(skb, sizeof(struct mt7615_mcu_rxd));
event = (struct mt7615_roc_tlv *)skb->data;
if (event->dbdc_band && dev->mt76.phy2)
mphy = dev->mt76.phy2;
else
mphy = &dev->mt76.phy;
ieee80211_ready_on_channel(mphy->hw);
phy = (struct mt7615_phy *)mphy->priv;
phy->roc_grant = true;
wake_up(&phy->roc_wait);
duration = le32_to_cpu(event->max_interval);
mod_timer(&phy->roc_timer,
round_jiffies_up(jiffies + msecs_to_jiffies(duration)));
}
static void
mt7615_mcu_beacon_loss_event(struct mt7615_dev *dev, struct sk_buff *skb)
{
struct mt76_connac_beacon_loss_event *event;
struct mt76_phy *mphy;
u8 band_idx = 0; /* DBDC support */
skb_pull(skb, sizeof(struct mt7615_mcu_rxd));
event = (struct mt76_connac_beacon_loss_event *)skb->data;
if (band_idx && dev->mt76.phy2)
mphy = dev->mt76.phy2;
else
mphy = &dev->mt76.phy;
ieee80211_iterate_active_interfaces_atomic(mphy->hw,
IEEE80211_IFACE_ITER_RESUME_ALL,
mt76_connac_mcu_beacon_loss_iter,
event);
}
static void
mt7615_mcu_bss_event(struct mt7615_dev *dev, struct sk_buff *skb)
{
struct mt76_connac_mcu_bss_event *event;
struct mt76_phy *mphy;
u8 band_idx = 0; /* DBDC support */
skb_pull(skb, sizeof(struct mt7615_mcu_rxd));
event = (struct mt76_connac_mcu_bss_event *)skb->data;
if (band_idx && dev->mt76.phy2)
mphy = dev->mt76.phy2;
else
mphy = &dev->mt76.phy;
if (event->is_absent)
ieee80211_stop_queues(mphy->hw);
else
ieee80211_wake_queues(mphy->hw);
}
static void
mt7615_mcu_rx_unsolicited_event(struct mt7615_dev *dev, struct sk_buff *skb)
{
struct mt7615_mcu_rxd *rxd = (struct mt7615_mcu_rxd *)skb->data;
switch (rxd->eid) {
case MCU_EVENT_EXT:
mt7615_mcu_rx_ext_event(dev, skb);
break;
case MCU_EVENT_BSS_BEACON_LOSS:
mt7615_mcu_beacon_loss_event(dev, skb);
break;
case MCU_EVENT_ROC:
mt7615_mcu_roc_event(dev, skb);
break;
case MCU_EVENT_SCHED_SCAN_DONE:
case MCU_EVENT_SCAN_DONE:
mt7615_mcu_scan_event(dev, skb);
return;
case MCU_EVENT_BSS_ABSENCE:
mt7615_mcu_bss_event(dev, skb);
break;
case MCU_EVENT_COREDUMP:
mt76_connac_mcu_coredump_event(&dev->mt76, skb,
&dev->coredump);
return;
default:
break;
}
dev_kfree_skb(skb);
}
void mt7615_mcu_rx_event(struct mt7615_dev *dev, struct sk_buff *skb)
{
struct mt7615_mcu_rxd *rxd = (struct mt7615_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->eid == MCU_EVENT_BSS_BEACON_LOSS ||
rxd->eid == MCU_EVENT_SCHED_SCAN_DONE ||
rxd->eid == MCU_EVENT_BSS_ABSENCE ||
rxd->eid == MCU_EVENT_SCAN_DONE ||
rxd->eid == MCU_EVENT_COREDUMP ||
rxd->eid == MCU_EVENT_ROC ||
!rxd->seq)
mt7615_mcu_rx_unsolicited_event(dev, skb);
else
mt76_mcu_rx_event(&dev->mt76, skb);
}
static int
mt7615_mcu_muar_config(struct mt7615_dev *dev, struct ieee80211_vif *vif,
bool bssid, bool enable)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
u32 idx = mvif->mt76.omac_idx - REPEATER_BSSID_START;
u32 mask = dev->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 index;
u8 bssid;
u8 addr[ETH_ALEN];
} __packed req = {
.mode = !!mask || enable,
.entry_count = 1,
.write = 1,
.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);
}
static int
mt7615_mcu_add_dev(struct mt7615_phy *phy, struct ieee80211_vif *vif,
bool enable)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct mt7615_dev *dev = phy->dev;
struct {
struct req_hdr {
u8 omac_idx;
u8 band_idx;
__le16 tlv_num;
u8 is_tlv_append;
u8 rsv[3];
} __packed hdr;
struct req_tlv {
__le16 tag;
__le16 len;
u8 active;
u8 band_idx;
u8 omac_addr[ETH_ALEN];
} __packed tlv;
} data = {
.hdr = {
.omac_idx = mvif->mt76.omac_idx,
.band_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,
.band_idx = mvif->mt76.band_idx,
},
};
if (mvif->mt76.omac_idx >= REPEATER_BSSID_START)
return mt7615_mcu_muar_config(dev, 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 int
mt7615_mcu_add_beacon_offload(struct mt7615_dev *dev,
struct ieee80211_hw *hw,
struct ieee80211_vif *vif, bool enable)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct mt76_wcid *wcid = &dev->mt76.global_wcid;
struct ieee80211_mutable_offsets offs;
struct ieee80211_tx_info *info;
struct req {
u8 omac_idx;
u8 enable;
u8 wlan_idx;
u8 band_idx;
u8 pkt_type;
u8 need_pre_tbtt_int;
__le16 csa_ie_pos;
__le16 pkt_len;
__le16 tim_ie_pos;
u8 pkt[512];
u8 csa_cnt;
/* bss color change */
u8 bcc_cnt;
__le16 bcc_ie_pos;
} __packed req = {
.omac_idx = mvif->mt76.omac_idx,
.enable = enable,
.wlan_idx = wcid->idx,
.band_idx = mvif->mt76.band_idx,
};
struct sk_buff *skb;
skb = ieee80211_beacon_get_template(hw, vif, &offs);
if (!skb)
return -EINVAL;
if (skb->len > 512 - MT_TXD_SIZE) {
dev_err(dev->mt76.dev, "Bcn size limit exceed\n");
dev_kfree_skb(skb);
return -EINVAL;
}
if (mvif->mt76.band_idx) {
info = IEEE80211_SKB_CB(skb);
info->hw_queue |= MT_TX_HW_QUEUE_EXT_PHY;
}
mt7615_mac_write_txwi(dev, (__le32 *)(req.pkt), skb, wcid, NULL,
0, NULL, true);
memcpy(req.pkt + MT_TXD_SIZE, skb->data, skb->len);
req.pkt_len = cpu_to_le16(MT_TXD_SIZE + skb->len);
req.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.csa_ie_pos = cpu_to_le16(csa_offs);
req.csa_cnt = skb->data[offs.cntdwn_counter_offs[0]];
}
dev_kfree_skb(skb);
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_BCN_OFFLOAD, &req,
sizeof(req), true);
}
static int
mt7615_mcu_ctrl_pm_state(struct mt7615_dev *dev, int band, int state)
{
#define ENTER_PM_STATE 1
#define EXIT_PM_STATE 2
struct {
u8 pm_number;
u8 pm_state;
u8 bssid[ETH_ALEN];
u8 dtim_period;
u8 wlan_idx;
__le16 bcn_interval;
__le32 aid;
__le32 rx_filter;
u8 band_idx;
u8 rsv[3];
__le32 feature;
u8 omac_idx;
u8 wmm_idx;
u8 bcn_loss_cnt;
u8 bcn_sp_duration;
} __packed req = {
.pm_number = 5,
.pm_state = state ? ENTER_PM_STATE : EXIT_PM_STATE,
.band_idx = band,
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_PM_STATE_CTRL, &req,
sizeof(req), true);
}
static int
mt7615_mcu_bss_basic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, bool enable)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
u32 type = vif->p2p ? NETWORK_P2P : NETWORK_INFRA;
struct bss_info_basic *bss;
u8 wlan_idx = mvif->sta.wcid.idx;
struct tlv *tlv;
tlv = mt76_connac_mcu_add_tlv(skb, BSS_INFO_BASIC, sizeof(*bss));
switch (vif->type) {
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_AP:
break;
case NL80211_IFTYPE_STATION:
/* TODO: enable BSS_INFO_UAPSD & BSS_INFO_PM */
if (enable && sta) {
struct mt7615_sta *msta;
msta = (struct mt7615_sta *)sta->drv_priv;
wlan_idx = msta->wcid.idx;
}
break;
case NL80211_IFTYPE_ADHOC:
type = NETWORK_IBSS;
break;
default:
WARN_ON(1);
break;
}
bss = (struct bss_info_basic *)tlv;
memcpy(bss->bssid, vif->bss_conf.bssid, ETH_ALEN);
bss->bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int);
bss->network_type = cpu_to_le32(type);
bss->dtim_period = vif->bss_conf.dtim_period;
bss->bmc_tx_wlan_idx = wlan_idx;
bss->wmm_idx = mvif->mt76.wmm_idx;
bss->active = enable;
return 0;
}
static void
mt7615_mcu_bss_omac_tlv(struct sk_buff *skb, struct ieee80211_vif *vif)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
u8 omac_idx = mvif->mt76.omac_idx;
struct bss_info_omac *omac;
struct tlv *tlv;
u32 type = 0;
tlv = mt76_connac_mcu_add_tlv(skb, BSS_INFO_OMAC, sizeof(*omac));
switch (vif->type) {
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_AP:
if (vif->p2p)
type = CONNECTION_P2P_GO;
else
type = CONNECTION_INFRA_AP;
break;
case NL80211_IFTYPE_STATION:
if (vif->p2p)
type = CONNECTION_P2P_GC;
else
type = CONNECTION_INFRA_STA;
break;
case NL80211_IFTYPE_ADHOC:
type = CONNECTION_IBSS_ADHOC;
break;
default:
WARN_ON(1);
break;
}
omac = (struct bss_info_omac *)tlv;
omac->conn_type = cpu_to_le32(type);
omac->omac_idx = mvif->mt76.omac_idx;
omac->band_idx = mvif->mt76.band_idx;
omac->hw_bss_idx = omac_idx > EXT_BSSID_START ? HW_BSSID_0 : omac_idx;
}
/* SIFS 20us + 512 byte beacon tranmitted by 1Mbps (3906us) */
#define BCN_TX_ESTIMATE_TIME (4096 + 20)
static void
mt7615_mcu_bss_ext_tlv(struct sk_buff *skb, struct mt7615_vif *mvif)
{
struct bss_info_ext_bss *ext;
int ext_bss_idx, tsf_offset;
struct tlv *tlv;
ext_bss_idx = mvif->mt76.omac_idx - EXT_BSSID_START;
if (ext_bss_idx < 0)
return;
tlv = mt76_connac_mcu_add_tlv(skb, BSS_INFO_EXT_BSS, sizeof(*ext));
ext = (struct bss_info_ext_bss *)tlv;
tsf_offset = ext_bss_idx * BCN_TX_ESTIMATE_TIME;
ext->mbss_tsf_offset = cpu_to_le32(tsf_offset);
}
static int
mt7615_mcu_add_bss(struct mt7615_phy *phy, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, bool enable)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct mt7615_dev *dev = phy->dev;
struct sk_buff *skb;
if (mvif->mt76.omac_idx >= REPEATER_BSSID_START)
mt7615_mcu_muar_config(dev, vif, true, enable);
skb = mt76_connac_mcu_alloc_sta_req(&dev->mt76, &mvif->mt76, NULL);
if (IS_ERR(skb))
return PTR_ERR(skb);
if (enable)
mt7615_mcu_bss_omac_tlv(skb, vif);
mt7615_mcu_bss_basic_tlv(skb, vif, sta, enable);
if (enable && mvif->mt76.omac_idx >= EXT_BSSID_START &&
mvif->mt76.omac_idx < REPEATER_BSSID_START)
mt7615_mcu_bss_ext_tlv(skb, mvif);
return mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_EXT_CMD_BSS_INFO_UPDATE, true);
}
static int
mt7615_mcu_wtbl_tx_ba(struct mt7615_dev *dev,
struct ieee80211_ampdu_params *params,
bool enable)
{
struct mt7615_sta *msta = (struct mt7615_sta *)params->sta->drv_priv;
struct mt7615_vif *mvif = msta->vif;
struct wtbl_req_hdr *wtbl_hdr;
struct sk_buff *skb = NULL;
int err;
wtbl_hdr = mt76_connac_mcu_alloc_wtbl_req(&dev->mt76, &msta->wcid,
WTBL_SET, NULL, &skb);
if (IS_ERR(wtbl_hdr))
return PTR_ERR(wtbl_hdr);
mt76_connac_mcu_wtbl_ba_tlv(&dev->mt76, skb, params, enable, true,
NULL, wtbl_hdr);
err = mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_EXT_CMD_WTBL_UPDATE,
true);
if (err < 0)
return err;
skb = mt76_connac_mcu_alloc_sta_req(&dev->mt76, &mvif->mt76,
&msta->wcid);
if (IS_ERR(skb))
return PTR_ERR(skb);
mt76_connac_mcu_sta_ba_tlv(skb, params, enable, true);
return mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_EXT_CMD_STA_REC_UPDATE, true);
}
static int
mt7615_mcu_wtbl_rx_ba(struct mt7615_dev *dev,
struct ieee80211_ampdu_params *params,
bool enable)
{
struct mt7615_sta *msta = (struct mt7615_sta *)params->sta->drv_priv;
struct mt7615_vif *mvif = msta->vif;
struct wtbl_req_hdr *wtbl_hdr;
struct sk_buff *skb;
int err;
skb = mt76_connac_mcu_alloc_sta_req(&dev->mt76, &mvif->mt76,
&msta->wcid);
if (IS_ERR(skb))
return PTR_ERR(skb);
mt76_connac_mcu_sta_ba_tlv(skb, params, enable, false);
err = mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_EXT_CMD_STA_REC_UPDATE, true);
if (err < 0 || !enable)
return err;
skb = NULL;
wtbl_hdr = mt76_connac_mcu_alloc_wtbl_req(&dev->mt76, &msta->wcid,
WTBL_SET, NULL, &skb);
if (IS_ERR(wtbl_hdr))
return PTR_ERR(wtbl_hdr);
mt76_connac_mcu_wtbl_ba_tlv(&dev->mt76, skb, params, enable, false,
NULL, wtbl_hdr);
return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_EXT_CMD_WTBL_UPDATE,
true);
}
static int
mt7615_mcu_wtbl_sta_add(struct mt7615_phy *phy, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, bool enable)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct sk_buff *skb, *sskb, *wskb = NULL;
struct mt7615_dev *dev = phy->dev;
struct wtbl_req_hdr *wtbl_hdr;
struct mt7615_sta *msta;
int cmd, err;
msta = sta ? (struct mt7615_sta *)sta->drv_priv : &mvif->sta;
sskb = mt76_connac_mcu_alloc_sta_req(&dev->mt76, &mvif->mt76,
&msta->wcid);
if (IS_ERR(sskb))
return PTR_ERR(sskb);
mt76_connac_mcu_sta_basic_tlv(sskb, vif, sta, enable);
if (enable && sta)
mt76_connac_mcu_sta_tlv(phy->mt76, sskb, sta, vif);
wtbl_hdr = mt76_connac_mcu_alloc_wtbl_req(&dev->mt76, &msta->wcid,
WTBL_RESET_AND_SET, NULL,
&wskb);
if (IS_ERR(wtbl_hdr))
return PTR_ERR(wtbl_hdr);
if (enable) {
mt76_connac_mcu_wtbl_generic_tlv(&dev->mt76, wskb, vif, sta,
NULL, wtbl_hdr);
if (sta)
mt76_connac_mcu_wtbl_ht_tlv(&dev->mt76, wskb, sta,
NULL, wtbl_hdr);
}
cmd = enable ? MCU_EXT_CMD_WTBL_UPDATE : MCU_EXT_CMD_STA_REC_UPDATE;
skb = enable ? wskb : sskb;
err = mt76_mcu_skb_send_msg(&dev->mt76, skb, cmd, true);
if (err < 0) {
skb = enable ? sskb : wskb;
dev_kfree_skb(skb);
return err;