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mcu.c
3394 lines (2859 loc) · 80.3 KB
/
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;
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:
mcu_txd->set_query = MCU_Q_SET;
mcu_txd->cid = mcu_cmd;
break;
default:
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;
break;
}
}
EXPORT_SYMBOL_GPL(mt7615_mcu_fill_msg);
static int __mt7615_mcu_msg_send(struct mt7615_dev *dev, struct sk_buff *skb,
int cmd, int *wait_seq)
{
enum mt76_txq_id qid;
mt7615_mcu_fill_msg(dev, skb, cmd, wait_seq);
if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state))
qid = MT_TXQ_MCU;
else
qid = MT_TXQ_FWDL;
return mt76_tx_queue_skb_raw(dev, qid, skb, 0);
}
static int
mt7615_mcu_parse_response(struct mt7615_dev *dev, int cmd,
struct sk_buff *skb, int seq)
{
struct mt7615_mcu_rxd *rxd = (struct mt7615_mcu_rxd *)skb->data;
int ret = 0;
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_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_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;
}
default:
break;
}
dev_kfree_skb(skb);
return ret;
}
int mt7615_mcu_wait_response(struct mt7615_dev *dev, int cmd, int seq)
{
unsigned long expires = jiffies + 20 * HZ;
struct sk_buff *skb;
int ret = 0;
while (true) {
skb = mt76_mcu_get_response(&dev->mt76, expires);
if (!skb) {
dev_err(dev->mt76.dev, "Message %ld (seq %d) timeout\n",
cmd & MCU_CMD_MASK, seq);
return -ETIMEDOUT;
}
ret = mt7615_mcu_parse_response(dev, cmd, skb, seq);
if (ret != -EAGAIN)
break;
}
return ret;
}
EXPORT_SYMBOL_GPL(mt7615_mcu_wait_response);
static int
mt7615_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
int cmd, bool wait_resp)
{
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
int ret, seq;
mutex_lock(&mdev->mcu.mutex);
ret = __mt7615_mcu_msg_send(dev, skb, cmd, &seq);
if (ret)
goto out;
if (wait_resp)
ret = mt7615_mcu_wait_response(dev, cmd, seq);
out:
mutex_unlock(&mdev->mcu.mutex);
return ret;
}
int mt7615_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
int len, bool wait_resp)
{
struct sk_buff *skb;
skb = mt76_mcu_msg_alloc(mdev, data, len);
if (!skb)
return -ENOMEM;
return __mt76_mcu_skb_send_msg(mdev, skb, cmd, wait_resp);
}
EXPORT_SYMBOL_GPL(mt7615_mcu_msg_send);
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_bss_event(struct mt7615_dev *dev, struct sk_buff *skb)
{
struct mt7615_mcu_bss_event *event;
struct mt76_phy *mphy;
u8 band_idx = 0; /* DBDC support */
event = (struct mt7615_mcu_bss_event *)(skb->data +
sizeof(struct mt7615_mcu_rxd));
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_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;
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_SCHED_SCAN_DONE ||
rxd->eid == MCU_EVENT_BSS_ABSENCE ||
rxd->eid == MCU_EVENT_SCAN_DONE ||
!rxd->seq)
mt7615_mcu_rx_unsolicited_event(dev, skb);
else
mt76_mcu_rx_event(&dev->mt76, skb);
}
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_add_dev(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 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->omac_idx,
.enable = enable,
.wlan_idx = wcid->idx,
.band_idx = mvif->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->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.csa_counter_offs[0]) {
u16 csa_offs;
csa_offs = MT_TXD_SIZE + offs.csa_counter_offs[0] - 4;
req.csa_ie_pos = cpu_to_le16(csa_offs);
req.csa_cnt = skb->data[offs.csa_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 struct sk_buff *
mt7615_mcu_alloc_sta_req(struct mt7615_dev *dev, struct mt7615_vif *mvif,
struct mt7615_sta *msta)
{
struct sta_req_hdr hdr = {
.bss_idx = mvif->idx,
.wlan_idx = msta ? msta->wcid.idx : 0,
.muar_idx = msta ? mvif->omac_idx : 0,
.is_tlv_append = 1,
};
struct sk_buff *skb;
skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, MT7615_STA_UPDATE_MAX_SIZE);
if (!skb)
return ERR_PTR(-ENOMEM);
skb_put_data(skb, &hdr, sizeof(hdr));
return skb;
}
static struct wtbl_req_hdr *
mt7615_mcu_alloc_wtbl_req(struct mt7615_dev *dev, struct mt7615_sta *msta,
int cmd, void *sta_wtbl, struct sk_buff **skb)
{
struct tlv *sta_hdr = sta_wtbl;
struct wtbl_req_hdr hdr = {
.wlan_idx = msta->wcid.idx,
.operation = cmd,
};
struct sk_buff *nskb = *skb;
if (!nskb) {
nskb = mt76_mcu_msg_alloc(&dev->mt76, NULL,
MT7615_WTBL_UPDATE_BA_SIZE);
if (!nskb)
return ERR_PTR(-ENOMEM);
*skb = nskb;
}
if (sta_hdr)
sta_hdr->len = cpu_to_le16(sizeof(hdr));
return skb_put_data(nskb, &hdr, sizeof(hdr));
}
static struct tlv *
mt7615_mcu_add_nested_tlv(struct sk_buff *skb, int tag, int len,
void *sta_ntlv, void *sta_wtbl)
{
struct sta_ntlv_hdr *ntlv_hdr = sta_ntlv;
struct tlv *sta_hdr = sta_wtbl;
struct tlv *ptlv, tlv = {
.tag = cpu_to_le16(tag),
.len = cpu_to_le16(len),
};
u16 ntlv;
ptlv = skb_put(skb, len);
memcpy(ptlv, &tlv, sizeof(tlv));
ntlv = le16_to_cpu(ntlv_hdr->tlv_num);
ntlv_hdr->tlv_num = cpu_to_le16(ntlv + 1);
if (sta_hdr) {
u16 size = le16_to_cpu(sta_hdr->len);
sta_hdr->len = cpu_to_le16(size + len);
}
return ptlv;
}
static struct tlv *
mt7615_mcu_add_tlv(struct sk_buff *skb, int tag, int len)
{
return mt7615_mcu_add_nested_tlv(skb, tag, len, skb->data, NULL);
}
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;
struct bss_info_basic *bss;
u8 wlan_idx = mvif->sta.wcid.idx;
u32 type = NETWORK_INFRA;
struct tlv *tlv;
tlv = mt7615_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->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;
struct bss_info_omac *omac;
struct tlv *tlv;
u32 type = 0;
u8 idx;
tlv = mt7615_mcu_add_tlv(skb, BSS_INFO_OMAC, sizeof(*omac));
switch (vif->type) {
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_AP:
type = CONNECTION_INFRA_AP;
break;
case NL80211_IFTYPE_STATION:
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;
idx = mvif->omac_idx > EXT_BSSID_START ? HW_BSSID_0 : mvif->omac_idx;
omac->conn_type = cpu_to_le32(type);
omac->omac_idx = mvif->omac_idx;
omac->band_idx = mvif->band_idx;
omac->hw_bss_idx = 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->omac_idx - EXT_BSSID_START;
if (ext_bss_idx < 0)
return;
tlv = mt7615_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 void
mt7615_mcu_sta_ba_tlv(struct sk_buff *skb,
struct ieee80211_ampdu_params *params,
bool enable, bool tx)
{
struct sta_rec_ba *ba;
struct tlv *tlv;
tlv = mt7615_mcu_add_tlv(skb, STA_REC_BA, sizeof(*ba));
ba = (struct sta_rec_ba *)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;
}
static void
mt7615_mcu_sta_basic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, bool enable)
{
struct sta_rec_basic *basic;
struct tlv *tlv;
tlv = mt7615_mcu_add_tlv(skb, STA_REC_BASIC, sizeof(*basic));
basic = (struct sta_rec_basic *)tlv;
basic->extra_info = cpu_to_le16(EXTRA_INFO_VER);
if (enable) {
basic->extra_info |= cpu_to_le16(EXTRA_INFO_NEW);
basic->conn_state = CONN_STATE_PORT_SECURE;
} else {
basic->conn_state = CONN_STATE_DISCONNECT;
}
if (!sta) {
basic->conn_type = cpu_to_le32(CONNECTION_INFRA_BC);
eth_broadcast_addr(basic->peer_addr);
return;
}
switch (vif->type) {
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_AP:
basic->conn_type = cpu_to_le32(CONNECTION_INFRA_STA);
basic->aid = cpu_to_le16(sta->aid);
break;
case NL80211_IFTYPE_STATION:
basic->conn_type = cpu_to_le32(CONNECTION_INFRA_AP);
basic->aid = cpu_to_le16(vif->bss_conf.aid);
break;
case NL80211_IFTYPE_ADHOC:
basic->conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC);
basic->aid = cpu_to_le16(sta->aid);
break;
default:
WARN_ON(1);
break;
}
memcpy(basic->peer_addr, sta->addr, ETH_ALEN);
basic->qos = sta->wme;
}
static void
mt7615_mcu_sta_ht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
{
struct tlv *tlv;
if (sta->ht_cap.ht_supported) {
struct sta_rec_ht *ht;
tlv = mt7615_mcu_add_tlv(skb, STA_REC_HT, sizeof(*ht));
ht = (struct sta_rec_ht *)tlv;
ht->ht_cap = cpu_to_le16(sta->ht_cap.cap);
}
if (sta->vht_cap.vht_supported) {
struct sta_rec_vht *vht;
tlv = mt7615_mcu_add_tlv(skb, STA_REC_VHT, sizeof(*vht));
vht = (struct sta_rec_vht *)tlv;
vht->vht_rx_mcs_map = sta->vht_cap.vht_mcs.rx_mcs_map;
vht->vht_tx_mcs_map = sta->vht_cap.vht_mcs.tx_mcs_map;
vht->vht_cap = cpu_to_le32(sta->vht_cap.cap);
}
}
static void
mt7615_mcu_wtbl_ba_tlv(struct sk_buff *skb,
struct ieee80211_ampdu_params *params,
bool enable, bool tx, void *sta_wtbl,
void *wtbl_tlv)
{
struct wtbl_ba *ba;
struct tlv *tlv;
tlv = mt7615_mcu_add_nested_tlv(skb, WTBL_BA, sizeof(*ba),
wtbl_tlv, sta_wtbl);
ba = (struct wtbl_ba *)tlv;
ba->tid = params->tid;
if (tx) {
ba->ba_type = MT_BA_TYPE_ORIGINATOR;
ba->sn = enable ? cpu_to_le16(params->ssn) : 0;
ba->ba_winsize = cpu_to_le16(params->buf_size);
ba->ba_en = enable;
} else {
memcpy(ba->peer_addr, params->sta->addr, ETH_ALEN);
ba->ba_type = MT_BA_TYPE_RECIPIENT;
ba->rst_ba_tid = params->tid;
ba->rst_ba_sel = RST_BA_MAC_TID_MATCH;
ba->rst_ba_sb = 1;
}
if (enable && tx) {
u8 ba_range[] = { 4, 8, 12, 24, 36, 48, 54, 64 };
int i;
for (i = 7; i > 0; i--) {
if (params->buf_size >= ba_range[i])
break;
}
ba->ba_winsize_idx = i;
}
}
static void
mt7615_mcu_wtbl_generic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, void *sta_wtbl,
void *wtbl_tlv)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct wtbl_generic *generic;
struct wtbl_rx *rx;
struct wtbl_spe *spe;
struct tlv *tlv;
tlv = mt7615_mcu_add_nested_tlv(skb, WTBL_GENERIC, sizeof(*generic),
wtbl_tlv, sta_wtbl);
generic = (struct wtbl_generic *)tlv;
if (sta) {
if (vif->type == NL80211_IFTYPE_STATION)
generic->partial_aid = cpu_to_le16(vif->bss_conf.aid);
else
generic->partial_aid = cpu_to_le16(sta->aid);
memcpy(generic->peer_addr, sta->addr, ETH_ALEN);
generic->muar_idx = mvif->omac_idx;
generic->qos = sta->wme;
} else {
eth_broadcast_addr(generic->peer_addr);
generic->muar_idx = 0xe;
}
tlv = mt7615_mcu_add_nested_tlv(skb, WTBL_RX, sizeof(*rx),
wtbl_tlv, sta_wtbl);
rx = (struct wtbl_rx *)tlv;
rx->rca1 = sta ? vif->type != NL80211_IFTYPE_AP : 1;
rx->rca2 = 1;
rx->rv = 1;
tlv = mt7615_mcu_add_nested_tlv(skb, WTBL_SPE, sizeof(*spe),
wtbl_tlv, sta_wtbl);
spe = (struct wtbl_spe *)tlv;
spe->spe_idx = 24;
}
static void
mt7615_mcu_wtbl_ht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
void *sta_wtbl, void *wtbl_tlv)
{
struct tlv *tlv;
struct wtbl_ht *ht = NULL;
u32 flags = 0;
if (sta->ht_cap.ht_supported) {
tlv = mt7615_mcu_add_nested_tlv(skb, WTBL_HT, sizeof(*ht),
wtbl_tlv, sta_wtbl);
ht = (struct wtbl_ht *)tlv;
ht->ldpc = sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING;
ht->af = sta->ht_cap.ampdu_factor;
ht->mm = sta->ht_cap.ampdu_density;
ht->ht = 1;
if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20)
flags |= MT_WTBL_W5_SHORT_GI_20;
if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)
flags |= MT_WTBL_W5_SHORT_GI_40;
}
if (sta->vht_cap.vht_supported) {
struct wtbl_vht *vht;
u8 af;
tlv = mt7615_mcu_add_nested_tlv(skb, WTBL_VHT, sizeof(*vht),
wtbl_tlv, sta_wtbl);
vht = (struct wtbl_vht *)tlv;
vht->ldpc = sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC,
vht->vht = 1;
af = (sta->vht_cap.cap &
IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>
IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
if (ht)
ht->af = max(ht->af, af);
if (sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80)
flags |= MT_WTBL_W5_SHORT_GI_80;
if (sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_160)
flags |= MT_WTBL_W5_SHORT_GI_160;
}
/* wtbl smps */
if (sta->smps_mode == IEEE80211_SMPS_DYNAMIC) {
struct wtbl_smps *smps;
tlv = mt7615_mcu_add_nested_tlv(skb, WTBL_SMPS, sizeof(*smps),
wtbl_tlv, sta_wtbl);
smps = (struct wtbl_smps *)tlv;
smps->smps = 1;
}
if (sta->ht_cap.ht_supported) {
/* sgi */
u32 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;
struct wtbl_raw *raw;
tlv = mt7615_mcu_add_nested_tlv(skb, WTBL_RAW_DATA,
sizeof(*raw), wtbl_tlv,
sta_wtbl);
raw = (struct wtbl_raw *)tlv;
raw->val = cpu_to_le32(flags);
raw->msk = cpu_to_le32(~msk);
raw->wtbl_idx = 1;
raw->dw = 5;
}
}
static int