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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"
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 MCU_PATCH_ADDRESS 0x80000
#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_NEED_RSP BIT(31)
#define FW_START_OVERRIDE BIT(0)
#define FW_START_WORKING_PDA_CR4 BIT(2)
static int __mt7615_mcu_msg_send(struct mt7615_dev *dev, struct sk_buff *skb,
int cmd, int *wait_seq)
{
struct mt7615_mcu_txd *mcu_txd;
u8 seq, q_idx, pkt_fmt;
enum mt76_txq_id qid;
u32 val;
__le32 *txd;
seq = ++dev->mt76.mmio.mcu.msg_seq & 0xf;
if (!seq)
seq = ++dev->mt76.mmio.mcu.msg_seq & 0xf;
mcu_txd = (struct mt7615_mcu_txd *)skb_push(skb,
sizeof(struct mt7615_mcu_txd));
memset(mcu_txd, 0, sizeof(struct mt7615_mcu_txd));
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;
}
txd = mcu_txd->txd;
val = FIELD_PREP(MT_TXD0_TX_BYTES, cpu_to_le16(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);
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->pkt_type = MCU_PKT_ID;
mcu_txd->seq = seq;
if (cmd < 0) {
mcu_txd->set_query = MCU_Q_NA;
mcu_txd->cid = -cmd;
} else {
mcu_txd->cid = MCU_CMD_EXT_CID;
mcu_txd->set_query = MCU_Q_SET;
mcu_txd->ext_cid = cmd;
mcu_txd->ext_cid_ack = 1;
}
mcu_txd->s2d_index = MCU_S2D_H2N;
if (wait_seq)
*wait_seq = seq;
if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mt76.state))
qid = MT_TXQ_MCU;
else
qid = MT_TXQ_FWDL;
return mt76_tx_queue_skb_raw(dev, qid, skb, 0);
}
static int
mt7615_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
int len, bool wait_resp)
{
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
unsigned long expires = jiffies + 10 * HZ;
struct mt7615_mcu_rxd *rxd;
struct sk_buff *skb;
int ret, seq;
skb = mt7615_mcu_msg_alloc(data, len);
if (!skb)
return -ENOMEM;
mutex_lock(&mdev->mmio.mcu.mutex);
ret = __mt7615_mcu_msg_send(dev, skb, cmd, &seq);
if (ret)
goto out;
while (wait_resp) {
skb = mt76_mcu_get_response(mdev, expires);
if (!skb) {
dev_err(mdev->dev, "Message %d (seq %d) timeout\n",
cmd, seq);
ret = -ETIMEDOUT;
break;
}
rxd = (struct mt7615_mcu_rxd *)skb->data;
if (seq != rxd->seq)
continue;
if (cmd == -MCU_CMD_PATCH_SEM_CONTROL) {
skb_pull(skb, sizeof(*rxd) - 4);
ret = *skb->data;
}
dev_kfree_skb(skb);
break;
}
out:
mutex_unlock(&mdev->mmio.mcu.mutex);
return ret;
}
static int mt7615_mcu_init_download(struct mt7615_dev *dev, u32 addr,
u32 len, u32 mode)
{
struct {
__le32 addr;
__le32 len;
__le32 mode;
} req = {
.addr = cpu_to_le32(addr),
.len = cpu_to_le32(len),
.mode = cpu_to_le32(mode),
};
return __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_TARGET_ADDRESS_LEN_REQ,
&req, sizeof(req), true);
}
static int mt7615_mcu_send_firmware(struct mt7615_dev *dev, const void *data,
int len)
{
int ret = 0, cur_len;
while (len > 0) {
cur_len = min_t(int, 4096 - sizeof(struct mt7615_mcu_txd),
len);
ret = __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_FW_SCATTER,
data, cur_len, false);
if (ret)
break;
data += cur_len;
len -= cur_len;
}
return ret;
}
static int mt7615_mcu_start_firmware(struct mt7615_dev *dev, u32 addr,
u32 option)
{
struct {
__le32 option;
__le32 addr;
} req = {
.option = cpu_to_le32(option),
.addr = cpu_to_le32(addr),
};
return __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_FW_START_REQ,
&req, sizeof(req), true);
}
static int mt7615_mcu_restart(struct mt76_dev *dev)
{
return __mt76_mcu_send_msg(dev, -MCU_CMD_RESTART_DL_REQ, NULL,
0, true);
}
static int mt7615_mcu_patch_sem_ctrl(struct mt7615_dev *dev, bool get)
{
struct {
__le32 op;
} req = {
.op = cpu_to_le32(get ? PATCH_SEM_GET : PATCH_SEM_RELEASE),
};
return __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_PATCH_SEM_CONTROL,
&req, sizeof(req), true);
}
static int mt7615_mcu_start_patch(struct mt7615_dev *dev)
{
struct {
u8 check_crc;
u8 reserved[3];
} req = {
.check_crc = 0,
};
return __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_PATCH_FINISH_REQ,
&req, sizeof(req), true);
}
static int mt7615_driver_own(struct mt7615_dev *dev)
{
mt76_wr(dev, MT_CFG_LPCR_HOST, MT_CFG_LPCR_HOST_DRV_OWN);
if (!mt76_poll_msec(dev, MT_CFG_LPCR_HOST,
MT_CFG_LPCR_HOST_FW_OWN, 0, 500)) {
dev_err(dev->mt76.dev, "Timeout for driver own\n");
return -EIO;
}
return 0;
}
static int mt7615_load_patch(struct mt7615_dev *dev)
{
const struct firmware *fw;
const struct mt7615_patch_hdr *hdr;
const char *firmware = MT7615_ROM_PATCH;
int len, ret, sem;
sem = mt7615_mcu_patch_sem_ctrl(dev, 1);
switch (sem) {
case PATCH_IS_DL:
return 0;
case PATCH_NOT_DL_SEM_SUCCESS:
break;
default:
dev_err(dev->mt76.dev, "Failed to get patch semaphore\n");
return -EAGAIN;
}
ret = request_firmware(&fw, firmware, dev->mt76.dev);
if (ret)
return ret;
if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
dev_err(dev->mt76.dev, "Invalid firmware\n");
ret = -EINVAL;
goto out;
}
hdr = (const struct mt7615_patch_hdr *)(fw->data);
dev_info(dev->mt76.dev, "HW/SW Version: 0x%x, Build Time: %.16s\n",
be32_to_cpu(hdr->hw_sw_ver), hdr->build_date);
len = fw->size - sizeof(*hdr);
ret = mt7615_mcu_init_download(dev, MCU_PATCH_ADDRESS, len,
DL_MODE_NEED_RSP);
if (ret) {
dev_err(dev->mt76.dev, "Download request failed\n");
goto out;
}
ret = mt7615_mcu_send_firmware(dev, fw->data + sizeof(*hdr), len);
if (ret) {
dev_err(dev->mt76.dev, "Failed to send firmware to device\n");
goto out;
}
ret = mt7615_mcu_start_patch(dev);
if (ret)
dev_err(dev->mt76.dev, "Failed to start patch\n");
out:
release_firmware(fw);
sem = mt7615_mcu_patch_sem_ctrl(dev, 0);
switch (sem) {
case PATCH_REL_SEM_SUCCESS:
break;
default:
ret = -EAGAIN;
dev_err(dev->mt76.dev, "Failed to release patch semaphore\n");
break;
}
return ret;
}
static u32 gen_dl_mode(u8 feature_set, bool is_cr4)
{
u32 ret = 0;
ret |= (feature_set & FW_FEATURE_SET_ENCRYPT) ?
(DL_MODE_ENCRYPT | DL_MODE_RESET_SEC_IV) : 0;
ret |= FIELD_PREP(DL_MODE_KEY_IDX,
FIELD_GET(FW_FEATURE_SET_KEY_IDX, feature_set));
ret |= DL_MODE_NEED_RSP;
ret |= is_cr4 ? DL_MODE_WORKING_PDA_CR4 : 0;
return ret;
}
static int mt7615_load_ram(struct mt7615_dev *dev)
{
const struct firmware *fw;
const struct mt7615_fw_trailer *hdr;
const char *n9_firmware = MT7615_FIRMWARE_N9;
const char *cr4_firmware = MT7615_FIRMWARE_CR4;
u32 n9_ilm_addr, offset;
int i, ret;
ret = request_firmware(&fw, n9_firmware, dev->mt76.dev);
if (ret)
return ret;
if (!fw || !fw->data || fw->size < N9_REGION_NUM * sizeof(*hdr)) {
dev_err(dev->mt76.dev, "Invalid firmware\n");
ret = -EINVAL;
goto out;
}
hdr = (const struct mt7615_fw_trailer *)(fw->data + fw->size -
N9_REGION_NUM * sizeof(*hdr));
dev_info(dev->mt76.dev, "N9 Firmware Version: %.10s, Build Time: %.15s\n",
hdr->fw_ver, hdr->build_date);
n9_ilm_addr = le32_to_cpu(hdr->addr);
for (offset = 0, i = 0; i < N9_REGION_NUM; i++) {
u32 len, addr, mode;
len = le32_to_cpu(hdr[i].len) + IMG_CRC_LEN;
addr = le32_to_cpu(hdr[i].addr);
mode = gen_dl_mode(hdr[i].feature_set, false);
ret = mt7615_mcu_init_download(dev, addr, len, mode);
if (ret) {
dev_err(dev->mt76.dev, "Download request failed\n");
goto out;
}
ret = mt7615_mcu_send_firmware(dev, fw->data + offset, len);
if (ret) {
dev_err(dev->mt76.dev, "Failed to send firmware to device\n");
goto out;
}
offset += len;
}
ret = mt7615_mcu_start_firmware(dev, n9_ilm_addr, FW_START_OVERRIDE);
if (ret) {
dev_err(dev->mt76.dev, "Failed to start N9 firmware\n");
goto out;
}
release_firmware(fw);
ret = request_firmware(&fw, cr4_firmware, dev->mt76.dev);
if (ret)
return ret;
if (!fw || !fw->data || fw->size < CR4_REGION_NUM * sizeof(*hdr)) {
dev_err(dev->mt76.dev, "Invalid firmware\n");
ret = -EINVAL;
goto out;
}
hdr = (const struct mt7615_fw_trailer *)(fw->data + fw->size -
CR4_REGION_NUM * sizeof(*hdr));
dev_info(dev->mt76.dev, "CR4 Firmware Version: %.10s, Build Time: %.15s\n",
hdr->fw_ver, hdr->build_date);
for (offset = 0, i = 0; i < CR4_REGION_NUM; i++) {
u32 len, addr, mode;
len = le32_to_cpu(hdr[i].len) + IMG_CRC_LEN;
addr = le32_to_cpu(hdr[i].addr);
mode = gen_dl_mode(hdr[i].feature_set, true);
ret = mt7615_mcu_init_download(dev, addr, len, mode);
if (ret) {
dev_err(dev->mt76.dev, "Download request failed\n");
goto out;
}
ret = mt7615_mcu_send_firmware(dev, fw->data + offset, len);
if (ret) {
dev_err(dev->mt76.dev, "Failed to send firmware to device\n");
goto out;
}
offset += len;
}
ret = mt7615_mcu_start_firmware(dev, 0, FW_START_WORKING_PDA_CR4);
if (ret)
dev_err(dev->mt76.dev, "Failed to start CR4 firmware\n");
out:
release_firmware(fw);
return ret;
}
static int mt7615_load_firmware(struct mt7615_dev *dev)
{
int ret;
u32 val;
val = mt76_get_field(dev, MT_TOP_MISC2, MT_TOP_MISC2_FW_STATE);
if (val != FW_STATE_FW_DOWNLOAD) {
dev_err(dev->mt76.dev, "Firmware is not ready for download\n");
return -EIO;
}
ret = mt7615_load_patch(dev);
if (ret)
return ret;
ret = mt7615_load_ram(dev);
if (ret)
return ret;
if (!mt76_poll_msec(dev, MT_TOP_MISC2, MT_TOP_MISC2_FW_STATE,
FIELD_PREP(MT_TOP_MISC2_FW_STATE,
FW_STATE_CR4_RDY), 500)) {
dev_err(dev->mt76.dev, "Timeout for initializing firmware\n");
return -EIO;
}
dev_dbg(dev->mt76.dev, "Firmware init done\n");
return 0;
}
int mt7615_mcu_init(struct mt7615_dev *dev)
{
static const struct mt76_mcu_ops mt7615_mcu_ops = {
.mcu_send_msg = mt7615_mcu_msg_send,
.mcu_restart = mt7615_mcu_restart,
};
int ret;
dev->mt76.mcu_ops = &mt7615_mcu_ops,
ret = mt7615_driver_own(dev);
if (ret)
return ret;
ret = mt7615_load_firmware(dev);
if (ret)
return ret;
set_bit(MT76_STATE_MCU_RUNNING, &dev->mt76.state);
return 0;
}
void mt7615_mcu_exit(struct mt7615_dev *dev)
{
__mt76_mcu_restart(&dev->mt76);
mt76_wr(dev, MT_CFG_LPCR_HOST, MT_CFG_LPCR_HOST_FW_OWN);
skb_queue_purge(&dev->mt76.mmio.mcu.res_q);
}
int mt7615_mcu_set_eeprom(struct mt7615_dev *dev)
{
struct {
u8 buffer_mode;
u8 pad;
u16 len;
} __packed req_hdr = {
.buffer_mode = 1,
.len = __MT_EE_MAX - MT_EE_NIC_CONF_0,
};
int ret, len = sizeof(req_hdr) + __MT_EE_MAX - MT_EE_NIC_CONF_0;
u8 *req, *eep = (u8 *)dev->mt76.eeprom.data;
req = kzalloc(len, GFP_KERNEL);
if (!req)
return -ENOMEM;
memcpy(req, &req_hdr, sizeof(req_hdr));
memcpy(req + sizeof(req_hdr), eep + MT_EE_NIC_CONF_0,
__MT_EE_MAX - MT_EE_NIC_CONF_0);
ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_BUFFER_MODE,
req, len, true);
kfree(req);
return ret;
}
int mt7615_mcu_init_mac(struct mt7615_dev *dev)
{
struct {
u8 enable;
u8 band;
u8 rsv[2];
} __packed req = {
.enable = 1,
.band = 0,
};
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_MAC_INIT_CTRL,
&req, sizeof(req), true);
}
int mt7615_mcu_set_rts_thresh(struct mt7615_dev *dev, u32 val)
{
struct {
u8 prot_idx;
u8 band;
u8 rsv[2];
__le32 len_thresh;
__le32 pkt_thresh;
} __packed req = {
.prot_idx = 1,
.band = 0,
.len_thresh = cpu_to_le32(val),
.pkt_thresh = cpu_to_le32(0x2),
};
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_PROTECT_CTRL,
&req, sizeof(req), true);
}
int mt7615_mcu_set_wmm(struct mt7615_dev *dev, u8 queue,
const struct ieee80211_tx_queue_params *params)
{
#define WMM_AIFS_SET BIT(0)
#define WMM_CW_MIN_SET BIT(1)
#define WMM_CW_MAX_SET BIT(2)
#define WMM_TXOP_SET BIT(3)
struct req_data {
u8 number;
u8 rsv[3];
u8 queue;
u8 valid;
u8 aifs;
u8 cw_min;
__le16 cw_max;
__le16 txop;
} __packed req = {
.number = 1,
.queue = queue,
.valid = WMM_AIFS_SET | WMM_TXOP_SET,
.aifs = params->aifs,
.txop = cpu_to_le16(params->txop),
};
if (params->cw_min) {
req.valid |= WMM_CW_MIN_SET;
req.cw_min = params->cw_min;
}
if (params->cw_max) {
req.valid |= WMM_CW_MAX_SET;
req.cw_max = cpu_to_le16(params->cw_max);
}
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EDCA_UPDATE,
&req, sizeof(req), true);
}
int mt7615_mcu_ctrl_pm_state(struct mt7615_dev *dev, int enter)
{
#define ENTER_PM_STATE 1
#define EXIT_PM_STATE 2
struct {
u8 pm_number;
u8 pm_state;
u8 bssid[ETH_ALEN];
u8 dtim_period;
u8 wlan_idx;
__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 = (enter) ? ENTER_PM_STATE : EXIT_PM_STATE,
.band_idx = 0,
};
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_PM_STATE_CTRL,
&req, sizeof(req), true);
}
int mt7615_mcu_set_dev_info(struct mt7615_dev *dev,
struct ieee80211_vif *vif, bool enable)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
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->omac_idx,
.band_idx = mvif->band_idx,
.tlv_num = cpu_to_le16(1),
.is_tlv_append = 1,
},
.tlv = {
.tag = cpu_to_le16(DEV_INFO_ACTIVE),
.len = cpu_to_le16(sizeof(struct req_tlv)),
.active = enable,
.band_idx = mvif->band_idx,
},
};
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
mt7615_mcu_bss_info_omac_header(struct mt7615_vif *mvif, u8 *data,
u32 conn_type)
{
struct bss_info_omac *hdr = (struct bss_info_omac *)data;
u8 idx;
idx = mvif->omac_idx > EXT_BSSID_START ? HW_BSSID_0 : mvif->omac_idx;
hdr->tag = cpu_to_le16(BSS_INFO_OMAC);
hdr->len = cpu_to_le16(sizeof(struct bss_info_omac));
hdr->hw_bss_idx = idx;
hdr->omac_idx = mvif->omac_idx;
hdr->band_idx = mvif->band_idx;
hdr->conn_type = cpu_to_le32(conn_type);
}
static void
mt7615_mcu_bss_info_basic_header(struct ieee80211_vif *vif, u8 *data,
u32 net_type, u8 tx_wlan_idx,
bool enable)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct bss_info_basic *hdr = (struct bss_info_basic *)data;
hdr->tag = cpu_to_le16(BSS_INFO_BASIC);
hdr->len = cpu_to_le16(sizeof(struct bss_info_basic));
hdr->network_type = cpu_to_le32(net_type);
hdr->active = enable;
hdr->bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int);
memcpy(hdr->bssid, vif->bss_conf.bssid, ETH_ALEN);
hdr->wmm_idx = mvif->wmm_idx;
hdr->dtim_period = vif->bss_conf.dtim_period;
hdr->bmc_tx_wlan_idx = tx_wlan_idx;
}
static void
mt7615_mcu_bss_info_ext_header(struct mt7615_vif *mvif, u8 *data)
{
/* SIFS 20us + 512 byte beacon tranmitted by 1Mbps (3906us) */
#define BCN_TX_ESTIMATE_TIME (4096 + 20)
struct bss_info_ext_bss *hdr = (struct bss_info_ext_bss *)data;
int ext_bss_idx;
ext_bss_idx = mvif->omac_idx - EXT_BSSID_START;
if (ext_bss_idx < 0)
return;
hdr->tag = cpu_to_le16(BSS_INFO_EXT_BSS);
hdr->len = cpu_to_le16(sizeof(struct bss_info_ext_bss));
hdr->mbss_tsf_offset = ext_bss_idx * BCN_TX_ESTIMATE_TIME;
}
int mt7615_mcu_set_bss_info(struct mt7615_dev *dev,
struct ieee80211_vif *vif, int en)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct req_hdr {
u8 bss_idx;
u8 rsv0;
__le16 tlv_num;
u8 is_tlv_append;
u8 rsv1[3];
} __packed;
int len = sizeof(struct req_hdr) + sizeof(struct bss_info_basic);
int ret, i, features = BIT(BSS_INFO_BASIC), ntlv = 1;
u32 conn_type = 0, net_type = NETWORK_INFRA;
u8 *buf, *data, tx_wlan_idx = 0;
struct req_hdr *hdr;
if (en) {
len += sizeof(struct bss_info_omac);
features |= BIT(BSS_INFO_OMAC);
if (mvif->omac_idx > EXT_BSSID_START) {
len += sizeof(struct bss_info_ext_bss);
features |= BIT(BSS_INFO_EXT_BSS);
ntlv++;
}
ntlv++;
}
switch (vif->type) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_MESH_POINT:
tx_wlan_idx = mvif->sta.wcid.idx;
conn_type = CONNECTION_INFRA_AP;
break;
case NL80211_IFTYPE_STATION: {
struct ieee80211_sta *sta;
struct mt7615_sta *msta;
rcu_read_lock();
sta = ieee80211_find_sta(vif, vif->bss_conf.bssid);
if (!sta) {
rcu_read_unlock();
return -EINVAL;
}
msta = (struct mt7615_sta *)sta->drv_priv;
tx_wlan_idx = msta->wcid.idx;
conn_type = CONNECTION_INFRA_STA;
rcu_read_unlock();
break;
}
default:
WARN_ON(1);
break;
}
buf = kzalloc(len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
hdr = (struct req_hdr *)buf;
hdr->bss_idx = mvif->idx;
hdr->tlv_num = cpu_to_le16(ntlv);
hdr->is_tlv_append = 1;
data = buf + sizeof(*hdr);
for (i = 0; i < BSS_INFO_MAX_NUM; i++) {
int tag = ffs(features & BIT(i)) - 1;
switch (tag) {
case BSS_INFO_OMAC:
mt7615_mcu_bss_info_omac_header(mvif, data,
conn_type);
data += sizeof(struct bss_info_omac);
break;
case BSS_INFO_BASIC:
mt7615_mcu_bss_info_basic_header(vif, data, net_type,
tx_wlan_idx, en);
data += sizeof(struct bss_info_basic);
break;
case BSS_INFO_EXT_BSS:
mt7615_mcu_bss_info_ext_header(mvif, data);
data += sizeof(struct bss_info_ext_bss);
break;
default:
break;
}
}
ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_BSS_INFO_UPDATE,
buf, len, true);
kfree(buf);
return ret;
}
static enum mt7615_cipher_type
mt7615_get_key_info(struct ieee80211_key_conf *key, u8 *key_data)
{
if (!key || key->keylen > 32)
return MT_CIPHER_NONE;
memcpy(key_data, key->key, key->keylen);
switch (key->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
return MT_CIPHER_WEP40;
case WLAN_CIPHER_SUITE_WEP104:
return MT_CIPHER_WEP104;
case WLAN_CIPHER_SUITE_TKIP:
/* Rx/Tx MIC keys are swapped */
memcpy(key_data + 16, key->key + 24, 8);
memcpy(key_data + 24, key->key + 16, 8);
return MT_CIPHER_TKIP;
case WLAN_CIPHER_SUITE_CCMP:
return MT_CIPHER_AES_CCMP;
case WLAN_CIPHER_SUITE_CCMP_256:
return MT_CIPHER_CCMP_256;
case WLAN_CIPHER_SUITE_GCMP:
return MT_CIPHER_GCMP;
case WLAN_CIPHER_SUITE_GCMP_256:
return MT_CIPHER_GCMP_256;
case WLAN_CIPHER_SUITE_SMS4:
return MT_CIPHER_WAPI;
default:
return MT_CIPHER_NONE;
}
}
int mt7615_mcu_set_wtbl_key(struct mt7615_dev *dev, int wcid,
struct ieee80211_key_conf *key,
enum set_key_cmd cmd)
{
struct {
struct wtbl_req_hdr hdr;
struct wtbl_sec_key key;
} req = {
.hdr = {
.wlan_idx = wcid,
.operation = WTBL_SET,
.tlv_num = cpu_to_le16(1),
},
.key = {
.tag = cpu_to_le16(WTBL_SEC_KEY),
.len = cpu_to_le16(sizeof(struct wtbl_sec_key)),
.add = cmd,
},
};
if (cmd == SET_KEY) {
u8 cipher;
cipher = mt7615_get_key_info(key, req.key.key_material);
if (cipher == MT_CIPHER_NONE)
return -EOPNOTSUPP;
req.key.rkv = 1;
req.key.cipher_id = cipher;
req.key.key_id = key->keyidx;
req.key.key_len = key->keylen;
} else {
req.key.key_len = sizeof(req.key.key_material);
}
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
&req, sizeof(req), true);
}
static int
mt7615_mcu_add_wtbl_bmc(struct mt7615_dev *dev,
struct mt7615_vif *mvif)
{
struct {
struct wtbl_req_hdr hdr;
struct wtbl_generic g_wtbl;
struct wtbl_rx rx_wtbl;
} req = {
.hdr = {
.wlan_idx = mvif->sta.wcid.idx,
.operation = WTBL_RESET_AND_SET,
.tlv_num = cpu_to_le16(2),
},
.g_wtbl = {
.tag = cpu_to_le16(WTBL_GENERIC),
.len = cpu_to_le16(sizeof(struct wtbl_generic)),
.muar_idx = 0xe,
},
.rx_wtbl = {
.tag = cpu_to_le16(WTBL_RX),
.len = cpu_to_le16(sizeof(struct wtbl_rx)),
.rca1 = 1,
.rca2 = 1,
.rv = 1,
},
};
eth_broadcast_addr(req.g_wtbl.peer_addr);
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
&req, sizeof(req), true);
}
int mt7615_mcu_wtbl_bmc(struct mt7615_dev *dev,
struct ieee80211_vif *vif, bool enable)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
if (!enable) {
struct wtbl_req_hdr req = {
.wlan_idx = mvif->sta.wcid.idx,
.operation = WTBL_RESET_AND_SET,
};
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
&req, sizeof(req), true);
}
return mt7615_mcu_add_wtbl_bmc(dev, mvif);
}
int mt7615_mcu_add_wtbl(struct mt7615_dev *dev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
struct {
struct wtbl_req_hdr hdr;
struct wtbl_generic g_wtbl;
struct wtbl_rx rx_wtbl;
} req = {
.hdr = {
.wlan_idx = msta->wcid.idx,
.operation = WTBL_RESET_AND_SET,
.tlv_num = cpu_to_le16(2),
},
.g_wtbl = {
.tag = cpu_to_le16(WTBL_GENERIC),
.len = cpu_to_le16(sizeof(struct wtbl_generic)),
.muar_idx = mvif->omac_idx,
.qos = sta->wme,
.partial_aid = cpu_to_le16(sta->aid),
},
.rx_wtbl = {
.tag = cpu_to_le16(WTBL_RX),
.len = cpu_to_le16(sizeof(struct wtbl_rx)),
.rca1 = vif->type != NL80211_IFTYPE_AP,
.rca2 = 1,
.rv = 1,
},
};
memcpy(req.g_wtbl.peer_addr, sta->addr, ETH_ALEN);
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
&req, sizeof(req), true);
}
int mt7615_mcu_del_wtbl(struct mt7615_dev *dev,
struct ieee80211_sta *sta)
{
struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
struct wtbl_req_hdr req = {
.wlan_idx = msta->wcid.idx,
.operation = WTBL_RESET_AND_SET,
};
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
&req, sizeof(req), true);
}
int mt7615_mcu_del_wtbl_all(struct mt7615_dev *dev)
{
struct wtbl_req_hdr req = {
.operation = WTBL_RESET_ALL,
};
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
&req, sizeof(req), true);
}
int mt7615_mcu_set_sta_rec_bmc(struct mt7615_dev *dev,
struct ieee80211_vif *vif, bool en)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct {
struct sta_req_hdr hdr;
struct sta_rec_basic basic;
} req = {
.hdr = {
.bss_idx = mvif->idx,
.wlan_idx = mvif->sta.wcid.idx,
.tlv_num = cpu_to_le16(1),
.is_tlv_append = 1,
.muar_idx = mvif->omac_idx,
},
.basic = {
.tag = cpu_to_le16(STA_REC_BASIC),
.len = cpu_to_le16(sizeof(struct sta_rec_basic)),
.conn_type = cpu_to_le32(CONNECTION_INFRA_BC),
},
};
eth_broadcast_addr(req.basic.peer_addr);
if (en) {
req.basic.conn_state = CONN_STATE_PORT_SECURE;
req.basic.extra_info = cpu_to_le16(EXTRA_INFO_VER |
EXTRA_INFO_NEW);
} else {
req.basic.conn_state = CONN_STATE_DISCONNECT;
req.basic.extra_info = cpu_to_le16(EXTRA_INFO_VER);
}
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_STA_REC_UPDATE,
&req, sizeof(req), true);
}
int mt7615_mcu_set_sta_rec(struct mt7615_dev *dev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, bool en)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
struct {
struct sta_req_hdr hdr;
struct sta_rec_basic basic;
} req = {
.hdr = {
.bss_idx = mvif->idx,
.wlan_idx = msta->wcid.idx,
.tlv_num = cpu_to_le16(1),
.is_tlv_append = 1,
.muar_idx = mvif->omac_idx,
},
.basic = {
.tag = cpu_to_le16(STA_REC_BASIC),
.len = cpu_to_le16(sizeof(struct sta_rec_basic)),
.qos = sta->wme,
.aid = cpu_to_le16(sta->aid),
},
};
memcpy(req.basic.peer_addr, sta->addr, ETH_ALEN);
switch (vif->type) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_MESH_POINT:
req.basic.conn_type = cpu_to_le32(CONNECTION_INFRA_STA);
break;
case NL80211_IFTYPE_STATION:
req.basic.conn_type = cpu_to_le32(CONNECTION_INFRA_AP);
break;
default:
WARN_ON(1);
break;
};
if (en) {
req.basic.conn_state = CONN_STATE_PORT_SECURE;
req.basic.extra_info = cpu_to_le16(EXTRA_INFO_VER |
EXTRA_INFO_NEW);
} else {
req.basic.conn_state = CONN_STATE_DISCONNECT;
req.basic.extra_info = cpu_to_le16(EXTRA_INFO_VER);
}
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_STA_REC_UPDATE,
&req, sizeof(req), true);
}
int mt7615_mcu_set_bcn(struct mt7615_dev *dev, struct ieee80211_vif *vif,
int en)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct mt76_wcid *wcid = &dev->mt76.global_wcid;
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->omac_idx,
.enable = en,
.wlan_idx = wcid->idx,
.band_idx = mvif->band_idx,
/* pky_type: 0 for bcn, 1 for tim */
.pkt_type = 0,
};
struct sk_buff *skb;
u16 tim_off;
skb = ieee80211_beacon_get_tim(mt76_hw(dev), vif, &tim_off, NULL);
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;
}
mt7615_mac_write_txwi(dev, (__le32 *)(req.pkt), skb, wcid, NULL,
0, NULL);
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 + tim_off);
dev_kfree_skb(skb);
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_BCN_OFFLOAD,
&req, sizeof(req), true);
}
int mt7615_mcu_set_tx_power(struct mt7615_dev *dev)
{
int i, ret, n_chains = hweight8(dev->mt76.antenna_mask);
struct cfg80211_chan_def *chandef = &dev->mt76.chandef;
int freq = chandef->center_freq1, len, target_chains;
u8 *req, *data, *eep = (u8 *)dev->mt76.eeprom.data;
enum nl80211_band band = chandef->chan->band;
struct ieee80211_hw *hw = mt76_hw(dev);
struct {
u8 center_chan;
u8 dbdc_idx;
u8 band;
u8 rsv;
} __packed req_hdr = {
.center_chan = ieee80211_frequency_to_channel(freq),
.band = band,
};
s8 tx_power;
len = sizeof(req_hdr) + __MT_EE_MAX - MT_EE_NIC_CONF_0;
req = kzalloc(len, GFP_KERNEL);
if (!req)
return -ENOMEM;
memcpy(req, &req_hdr, sizeof(req_hdr));
data = req + sizeof(req_hdr);
memcpy(data, eep + MT_EE_NIC_CONF_0,
__MT_EE_MAX - MT_EE_NIC_CONF_0);
tx_power = hw->conf.power_level * 2;
switch (n_chains) {
case 4:
tx_power -= 12;
break;
case 3:
tx_power -= 8;
break;
case 2:
tx_power -= 6;
break;
default:
break;
}
tx_power = max_t(s8, tx_power, 0);
dev->mt76.txpower_cur = tx_power;
target_chains = mt7615_ext_pa_enabled(dev, band) ? 1 : n_chains;
for (i = 0; i < target_chains; i++) {
int index = -MT_EE_NIC_CONF_0;
ret = mt7615_eeprom_get_power_index(dev, chandef->chan, i);
if (ret < 0)
goto out;
index += ret;
data[index] = min_t(u8, data[index], tx_power);
}
ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_TX_POWER_CTRL,
req, len, true);
out:
kfree(req);
return ret;
}
int mt7615_mcu_set_channel(struct mt7615_dev *dev)
{
struct cfg80211_chan_def *chdef = &dev->mt76.chandef;
struct {
u8 control_chan;
u8 center_chan;
u8 bw;
u8 tx_streams;
u8 rx_streams_mask;
u8 switch_reason;
u8 band_idx;
/* for 80+80 only */
u8 center_chan2;
__le16 cac_case;
u8 channel_band;
u8 rsv0;
__le32 outband_freq;
u8 txpower_drop;
u8 rsv1[3];
u8 txpower_sku[53];
u8 rsv2[3];
} req = {0};
int ret;
req.control_chan = chdef->chan->hw_value;
req.center_chan = ieee80211_frequency_to_channel(chdef->center_freq1);
req.tx_streams = (dev->mt76.chainmask >> 8) & 0xf;
req.rx_streams_mask = dev->mt76.antenna_mask;
req.switch_reason = CH_SWITCH_NORMAL;
req.band_idx = 0;
req.center_chan2 = ieee80211_frequency_to_channel(chdef->center_freq2);
req.txpower_drop = 0;
switch (dev->mt76.chandef.width) {
case NL80211_CHAN_WIDTH_40:
req.bw = CMD_CBW_40MHZ;
break;
case NL80211_CHAN_WIDTH_80:
req.bw = CMD_CBW_80MHZ;
break;
case NL80211_CHAN_WIDTH_80P80:
req.bw = CMD_CBW_8080MHZ;
break;
case NL80211_CHAN_WIDTH_160:
req.bw = CMD_CBW_160MHZ;
break;
case NL80211_CHAN_WIDTH_5:
req.bw = CMD_CBW_5MHZ;
break;
case NL80211_CHAN_WIDTH_10:
req.bw = CMD_CBW_10MHZ;
break;
case NL80211_CHAN_WIDTH_20_NOHT:
case NL80211_CHAN_WIDTH_20:
default:
req.bw = CMD_CBW_20MHZ;
}
memset(req.txpower_sku, 0x3f, 49);
ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_CHANNEL_SWITCH,
&req, sizeof(req), true);
if (ret)
return ret;
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RX_PATH,
&req, sizeof(req), true);
}
int mt7615_mcu_set_ht_cap(struct mt7615_dev *dev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct wtbl_req_hdr *wtbl_hdr;
struct sta_req_hdr *sta_hdr;
struct wtbl_raw *wtbl_raw;
struct sta_rec_ht *sta_ht;
struct wtbl_ht *wtbl_ht;
int buf_len, ret, ntlv = 2;
u32 msk, val = 0;
u8 *buf;
buf = kzalloc(MT7615_WTBL_UPDATE_MAX_SIZE, GFP_KERNEL);
if (!buf)
return -ENOMEM;
wtbl_hdr = (struct wtbl_req_hdr *)buf;
wtbl_hdr->wlan_idx = msta->wcid.idx;
wtbl_hdr->operation = WTBL_SET;
buf_len = sizeof(*wtbl_hdr);
/* ht basic */
wtbl_ht = (struct wtbl_ht *)(buf + buf_len);
wtbl_ht->tag = cpu_to_le16(WTBL_HT);
wtbl_ht->len = cpu_to_le16(sizeof(*wtbl_ht));
wtbl_ht->ht = 1;
wtbl_ht->ldpc = sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING;
wtbl_ht->af = sta->ht_cap.ampdu_factor;
wtbl_ht->mm = sta->ht_cap.ampdu_density;
buf_len += sizeof(*wtbl_ht);
if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20)
val |= MT_WTBL_W5_SHORT_GI_20;
if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)
val |= MT_WTBL_W5_SHORT_GI_40;
/* vht basic */
if (sta->vht_cap.vht_supported) {
struct wtbl_vht *wtbl_vht;
wtbl_vht = (struct wtbl_vht *)(buf + buf_len);
buf_len += sizeof(*wtbl_vht);
wtbl_vht->tag = cpu_to_le16(WTBL_VHT);
wtbl_vht->len = cpu_to_le16(sizeof(*wtbl_vht));
wtbl_vht->ldpc = sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC;
wtbl_vht->vht = 1;
ntlv++;
if (sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80)
val |= MT_WTBL_W5_SHORT_GI_80;
if (sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_160)
val |= MT_WTBL_W5_SHORT_GI_160;
}
/* smps */
if (sta->smps_mode == IEEE80211_SMPS_DYNAMIC) {
struct wtbl_smps *wtbl_smps;
wtbl_smps = (struct wtbl_smps *)(buf + buf_len);
buf_len += sizeof(*wtbl_smps);
wtbl_smps->tag = cpu_to_le16(WTBL_SMPS);
wtbl_smps->len = cpu_to_le16(sizeof(*wtbl_smps));
wtbl_smps->smps = 1;
ntlv++;
}
/* sgi */
msk = MT_WTBL_W5_SHORT_GI_20 | MT_WTBL_W5_SHORT_GI_40 |
MT_WTBL_W5_SHORT_GI_80 | MT_WTBL_W5_SHORT_GI_160;
wtbl_raw = (struct wtbl_raw *)(buf + buf_len);
buf_len += sizeof(*wtbl_raw);
wtbl_raw->tag = cpu_to_le16(WTBL_RAW_DATA);
wtbl_raw->len = cpu_to_le16(sizeof(*wtbl_raw));
wtbl_raw->wtbl_idx = 1;
wtbl_raw->dw = 5;
wtbl_raw->msk = cpu_to_le32(~msk);
wtbl_raw->val = cpu_to_le32(val);
wtbl_hdr->tlv_num = cpu_to_le16(ntlv);
ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
buf, buf_len, true);
if (ret)
goto out;
memset(buf, 0, MT7615_WTBL_UPDATE_MAX_SIZE);
sta_hdr = (struct sta_req_hdr *)buf;
sta_hdr->bss_idx = mvif->idx;
sta_hdr->wlan_idx = msta->wcid.idx;
sta_hdr->is_tlv_append = 1;
ntlv = sta->vht_cap.vht_supported ? 2 : 1;
sta_hdr->tlv_num = cpu_to_le16(ntlv);
sta_hdr->muar_idx = mvif->omac_idx;
buf_len = sizeof(*sta_hdr);
sta_ht = (struct sta_rec_ht *)(buf + buf_len);
sta_ht->tag = cpu_to_le16(STA_REC_HT);
sta_ht->len = cpu_to_le16(sizeof(*sta_ht));
sta_ht->ht_cap = cpu_to_le16(sta->ht_cap.cap);
buf_len += sizeof(*sta_ht);
if (sta->vht_cap.vht_supported) {
struct sta_rec_vht *sta_vht;
sta_vht = (struct sta_rec_vht *)(buf + buf_len);
buf_len += sizeof(*sta_vht);
sta_vht->tag = cpu_to_le16(STA_REC_VHT);
sta_vht->len = cpu_to_le16(sizeof(*sta_vht));
sta_vht->vht_cap = cpu_to_le32(sta->vht_cap.cap);
sta_vht->vht_rx_mcs_map =
cpu_to_le16(sta->vht_cap.vht_mcs.rx_mcs_map);
sta_vht->vht_tx_mcs_map =
cpu_to_le16(sta->vht_cap.vht_mcs.tx_mcs_map);
}
ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_STA_REC_UPDATE,
buf, buf_len, true);
out:
kfree(buf);
return ret;
}
int mt7615_mcu_set_tx_ba(struct mt7615_dev *dev,
struct ieee80211_ampdu_params *params,
bool add)
{
struct mt7615_sta *msta = (struct mt7615_sta *)params->sta->drv_priv;
struct mt7615_vif *mvif = msta->vif;
struct {
struct wtbl_req_hdr hdr;
struct wtbl_ba ba;
} wtbl_req = {
.hdr = {
.wlan_idx = msta->wcid.idx,
.operation = WTBL_SET,
.tlv_num = cpu_to_le16(1),
},
.ba = {
.tag = cpu_to_le16(WTBL_BA),
.len = cpu_to_le16(sizeof(struct wtbl_ba)),
.tid = params->tid,
.ba_type = MT_BA_TYPE_ORIGINATOR,
.sn = add ? cpu_to_le16(params->ssn) : 0,
.ba_en = add,
},
};
struct {
struct sta_req_hdr hdr;
struct sta_rec_ba ba;
} sta_req = {
.hdr = {
.bss_idx = mvif->idx,
.wlan_idx = msta->wcid.idx,
.tlv_num = cpu_to_le16(1),
.is_tlv_append = 1,
.muar_idx = mvif->omac_idx,
},
.ba = {
.tag = cpu_to_le16(STA_REC_BA),
.len = cpu_to_le16(sizeof(struct sta_rec_ba)),
.tid = params->tid,
.ba_type = MT_BA_TYPE_ORIGINATOR,
.amsdu = params->amsdu,
.ba_en = add << params->tid,
.ssn = cpu_to_le16(params->ssn),
.winsize = cpu_to_le16(params->buf_size),
},
};
int ret;
if (add) {
u8 idx, ba_range[] = { 4, 8, 12, 24, 36, 48, 54, 64 };
for (idx = 7; idx > 0; idx--) {
if (params->buf_size >= ba_range[idx])
break;
}
wtbl_req.ba.ba_winsize_idx = idx;
}
ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
&wtbl_req, sizeof(wtbl_req), true);
if (ret)
return ret;
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_STA_REC_UPDATE,
&sta_req, sizeof(sta_req), true);
}
int mt7615_mcu_set_rx_ba(struct mt7615_dev *dev,
struct ieee80211_ampdu_params *params,
bool add)
{
struct mt7615_sta *msta = (struct mt7615_sta *)params->sta->drv_priv;
struct mt7615_vif *mvif = msta->vif;
struct {
struct wtbl_req_hdr hdr;
struct wtbl_ba ba;
} wtbl_req = {
.hdr = {
.wlan_idx = msta->wcid.idx,
.operation = WTBL_SET,
.tlv_num = cpu_to_le16(1),
},
.ba = {
.tag = cpu_to_le16(WTBL_BA),
.len = cpu_to_le16(sizeof(struct wtbl_ba)),
.tid = params->tid,
.ba_type = MT_BA_TYPE_RECIPIENT,
.rst_ba_tid = params->tid,
.rst_ba_sel = RST_BA_MAC_TID_MATCH,
.rst_ba_sb = 1,
},
};
struct {
struct sta_req_hdr hdr;
struct sta_rec_ba ba;
} sta_req = {
.hdr = {
.bss_idx = mvif->idx,
.wlan_idx = msta->wcid.idx,
.tlv_num = cpu_to_le16(1),
.is_tlv_append = 1,
.muar_idx = mvif->omac_idx,
},
.ba = {
.tag = cpu_to_le16(STA_REC_BA),
.len = cpu_to_le16(sizeof(struct sta_rec_ba)),
.tid = params->tid,
.ba_type = MT_BA_TYPE_RECIPIENT,
.amsdu = params->amsdu,
.ba_en = add << params->tid,
.ssn = cpu_to_le16(params->ssn),
.winsize = cpu_to_le16(params->buf_size),
},
};
int ret;
memcpy(wtbl_req.ba.peer_addr, params->sta->addr, ETH_ALEN);
ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_STA_REC_UPDATE,
&sta_req, sizeof(sta_req), true);
if (ret || !add)
return ret;
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
&wtbl_req, sizeof(wtbl_req), true);
}
void mt7615_mcu_set_rates(struct mt7615_dev *dev, struct mt7615_sta *sta,
struct ieee80211_tx_rate *probe_rate,
struct ieee80211_tx_rate *rates)
{
int wcid = sta->wcid.idx;
u32 addr = MT_WTBL_BASE + wcid * MT_WTBL_ENTRY_SIZE;
bool stbc = false;
int n_rates = sta->n_rates;
u8 bw, bw_prev, bw_idx = 0;
u16 val[4];
u16 probe_val;
u32 w5, w27;
int i;
if (!mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY, 0, 5000))
return;
for (i = n_rates; i < 4; i++)
rates[i] = rates[n_rates - 1];
val[0] = mt7615_mac_tx_rate_val(dev, &rates[0], stbc, &bw);
bw_prev = bw;
if (probe_rate) {
probe_val = mt7615_mac_tx_rate_val(dev, probe_rate, stbc, &bw);
if (bw)
bw_idx = 1;
else
bw_prev = 0;
} else {
probe_val = val[0];
}
val[1] = mt7615_mac_tx_rate_val(dev, &rates[1], stbc, &bw);
if (bw_prev) {
bw_idx = 3;
bw_prev = bw;
}
val[2] = mt7615_mac_tx_rate_val(dev, &rates[2], stbc, &bw);
if (bw_prev) {
bw_idx = 5;
bw_prev = bw;
}
val[3] = mt7615_mac_tx_rate_val(dev, &rates[3], stbc, &bw);
if (bw_prev)
bw_idx = 7;
w27 = mt76_rr(dev, addr + 27 * 4);
w27 &= ~MT_WTBL_W27_CC_BW_SEL;
w27 |= FIELD_PREP(MT_WTBL_W27_CC_BW_SEL, bw);
w5 = mt76_rr(dev, addr + 5 * 4);
w5 &= ~(MT_WTBL_W5_BW_CAP | MT_WTBL_W5_CHANGE_BW_RATE);
w5 |= FIELD_PREP(MT_WTBL_W5_BW_CAP, bw) |
FIELD_PREP(MT_WTBL_W5_CHANGE_BW_RATE, bw_idx ? bw_idx - 1 : 7);
mt76_wr(dev, MT_WTBL_RIUCR0, w5);
mt76_wr(dev, MT_WTBL_RIUCR1,
FIELD_PREP(MT_WTBL_RIUCR1_RATE0, probe_val) |
FIELD_PREP(MT_WTBL_RIUCR1_RATE1, val[0]) |
FIELD_PREP(MT_WTBL_RIUCR1_RATE2_LO, val[0]));
mt76_wr(dev, MT_WTBL_RIUCR2,
FIELD_PREP(MT_WTBL_RIUCR2_RATE2_HI, val[0] >> 8) |
FIELD_PREP(MT_WTBL_RIUCR2_RATE3, val[1]) |
FIELD_PREP(MT_WTBL_RIUCR2_RATE4, val[1]) |
FIELD_PREP(MT_WTBL_RIUCR2_RATE5_LO, val[2]));
mt76_wr(dev, MT_WTBL_RIUCR3,
FIELD_PREP(MT_WTBL_RIUCR3_RATE5_HI, val[2] >> 4) |
FIELD_PREP(MT_WTBL_RIUCR3_RATE6, val[2]) |
FIELD_PREP(MT_WTBL_RIUCR3_RATE7, val[3]));
mt76_wr(dev, MT_WTBL_UPDATE,
FIELD_PREP(MT_WTBL_UPDATE_WLAN_IDX, wcid) |
MT_WTBL_UPDATE_RATE_UPDATE |
MT_WTBL_UPDATE_TX_COUNT_CLEAR);
mt76_wr(dev, addr + 27 * 4, w27);
if (!(sta->wcid.tx_info & MT_WCID_TX_INFO_SET))
mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY, 0, 5000);
sta->rate_count = 2 * MT7615_RATE_RETRY * n_rates;
sta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
}
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