331 lines
9.1 KiB
C
331 lines
9.1 KiB
C
// SPDX-License-Identifier: ISC
|
|
/* Copyright (C) 2020 MediaTek Inc. */
|
|
|
|
#include <linux/etherdevice.h>
|
|
#include "mt7921.h"
|
|
#include "mac.h"
|
|
#include "mcu.h"
|
|
#include "eeprom.h"
|
|
|
|
static const struct ieee80211_iface_limit if_limits[] = {
|
|
{
|
|
.max = MT7921_MAX_INTERFACES,
|
|
.types = BIT(NL80211_IFTYPE_STATION)
|
|
},
|
|
{
|
|
.max = 1,
|
|
.types = BIT(NL80211_IFTYPE_AP)
|
|
}
|
|
};
|
|
|
|
static const struct ieee80211_iface_combination if_comb[] = {
|
|
{
|
|
.limits = if_limits,
|
|
.n_limits = ARRAY_SIZE(if_limits),
|
|
.max_interfaces = MT7921_MAX_INTERFACES,
|
|
.num_different_channels = 1,
|
|
.beacon_int_infra_match = true,
|
|
}
|
|
};
|
|
|
|
static void
|
|
mt7921_regd_notifier(struct wiphy *wiphy,
|
|
struct regulatory_request *request)
|
|
{
|
|
struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
|
|
memcpy(dev->mt76.alpha2, request->alpha2, sizeof(dev->mt76.alpha2));
|
|
dev->mt76.region = request->dfs_region;
|
|
dev->country_ie_env = request->country_ie_env;
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
mt7921_mcu_set_clc(dev, request->alpha2, request->country_ie_env);
|
|
mt76_connac_mcu_set_channel_domain(hw->priv);
|
|
mt7921_set_tx_sar_pwr(hw, NULL);
|
|
mt7921_mutex_release(dev);
|
|
}
|
|
|
|
static int
|
|
mt7921_init_wiphy(struct ieee80211_hw *hw)
|
|
{
|
|
struct mt7921_phy *phy = mt7921_hw_phy(hw);
|
|
struct mt7921_dev *dev = phy->dev;
|
|
struct wiphy *wiphy = hw->wiphy;
|
|
|
|
hw->queues = 4;
|
|
hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE;
|
|
hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE;
|
|
hw->netdev_features = NETIF_F_RXCSUM;
|
|
|
|
hw->radiotap_timestamp.units_pos =
|
|
IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US;
|
|
|
|
phy->slottime = 9;
|
|
|
|
hw->sta_data_size = sizeof(struct mt7921_sta);
|
|
hw->vif_data_size = sizeof(struct mt7921_vif);
|
|
|
|
wiphy->iface_combinations = if_comb;
|
|
wiphy->flags &= ~(WIPHY_FLAG_IBSS_RSN | WIPHY_FLAG_4ADDR_AP |
|
|
WIPHY_FLAG_4ADDR_STATION);
|
|
wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
|
|
BIT(NL80211_IFTYPE_AP);
|
|
wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
|
|
wiphy->max_scan_ie_len = MT76_CONNAC_SCAN_IE_LEN;
|
|
wiphy->max_scan_ssids = 4;
|
|
wiphy->max_sched_scan_plan_interval =
|
|
MT76_CONNAC_MAX_TIME_SCHED_SCAN_INTERVAL;
|
|
wiphy->max_sched_scan_ie_len = IEEE80211_MAX_DATA_LEN;
|
|
wiphy->max_sched_scan_ssids = MT76_CONNAC_MAX_SCHED_SCAN_SSID;
|
|
wiphy->max_match_sets = MT76_CONNAC_MAX_SCAN_MATCH;
|
|
wiphy->max_sched_scan_reqs = 1;
|
|
wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH |
|
|
WIPHY_FLAG_SPLIT_SCAN_6GHZ;
|
|
wiphy->reg_notifier = mt7921_regd_notifier;
|
|
|
|
wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
|
|
NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
|
|
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_SET_SCAN_DWELL);
|
|
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_LEGACY);
|
|
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HT);
|
|
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_VHT);
|
|
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HE);
|
|
|
|
ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
|
|
ieee80211_hw_set(hw, HAS_RATE_CONTROL);
|
|
ieee80211_hw_set(hw, SUPPORTS_TX_ENCAP_OFFLOAD);
|
|
ieee80211_hw_set(hw, SUPPORTS_RX_DECAP_OFFLOAD);
|
|
ieee80211_hw_set(hw, WANT_MONITOR_VIF);
|
|
ieee80211_hw_set(hw, SUPPORTS_PS);
|
|
ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
|
|
ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW);
|
|
ieee80211_hw_set(hw, CONNECTION_MONITOR);
|
|
|
|
if (dev->pm.enable)
|
|
ieee80211_hw_set(hw, CONNECTION_MONITOR);
|
|
|
|
hw->max_tx_fragments = 4;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
mt7921_mac_init_band(struct mt7921_dev *dev, u8 band)
|
|
{
|
|
mt76_rmw_field(dev, MT_TMAC_CTCR0(band),
|
|
MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f);
|
|
mt76_set(dev, MT_TMAC_CTCR0(band),
|
|
MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN |
|
|
MT_TMAC_CTCR0_INS_DDLMT_EN);
|
|
|
|
mt76_set(dev, MT_WF_RMAC_MIB_TIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
|
|
mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
|
|
|
|
/* enable MIB tx-rx time reporting */
|
|
mt76_set(dev, MT_MIB_SCR1(band), MT_MIB_TXDUR_EN);
|
|
mt76_set(dev, MT_MIB_SCR1(band), MT_MIB_RXDUR_EN);
|
|
|
|
mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_MAX_RX_LEN, 1536);
|
|
/* disable rx rate report by default due to hw issues */
|
|
mt76_clear(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN);
|
|
}
|
|
|
|
int mt7921_mac_init(struct mt7921_dev *dev)
|
|
{
|
|
int i;
|
|
|
|
mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 1536);
|
|
/* enable hardware de-agg */
|
|
mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN);
|
|
/* enable hardware rx header translation */
|
|
mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_RX_HDR_TRANS_EN);
|
|
|
|
for (i = 0; i < MT7921_WTBL_SIZE; i++)
|
|
mt7921_mac_wtbl_update(dev, i,
|
|
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
|
|
for (i = 0; i < 2; i++)
|
|
mt7921_mac_init_band(dev, i);
|
|
|
|
dev->mt76.rxfilter = mt76_rr(dev, MT_WF_RFCR(0));
|
|
|
|
return mt76_connac_mcu_set_rts_thresh(&dev->mt76, 0x92b, 0);
|
|
}
|
|
EXPORT_SYMBOL_GPL(mt7921_mac_init);
|
|
|
|
static int __mt7921_init_hardware(struct mt7921_dev *dev)
|
|
{
|
|
int ret;
|
|
|
|
/* force firmware operation mode into normal state,
|
|
* which should be set before firmware download stage.
|
|
*/
|
|
mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE);
|
|
ret = mt7921_mcu_init(dev);
|
|
if (ret)
|
|
goto out;
|
|
|
|
mt76_eeprom_override(&dev->mphy);
|
|
|
|
ret = mt7921_mcu_set_eeprom(dev);
|
|
if (ret)
|
|
goto out;
|
|
|
|
ret = mt7921_mac_init(dev);
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
static int mt7921_init_hardware(struct mt7921_dev *dev)
|
|
{
|
|
int ret, i;
|
|
|
|
set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
|
|
|
|
for (i = 0; i < MT7921_MCU_INIT_RETRY_COUNT; i++) {
|
|
ret = __mt7921_init_hardware(dev);
|
|
if (!ret)
|
|
break;
|
|
|
|
mt7921_init_reset(dev);
|
|
}
|
|
|
|
if (i == MT7921_MCU_INIT_RETRY_COUNT) {
|
|
dev_err(dev->mt76.dev, "hardware init failed\n");
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mt7921_init_wcid(struct mt7921_dev *dev)
|
|
{
|
|
int idx;
|
|
|
|
/* Beacon and mgmt frames should occupy wcid 0 */
|
|
idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1);
|
|
if (idx)
|
|
return -ENOSPC;
|
|
|
|
dev->mt76.global_wcid.idx = idx;
|
|
dev->mt76.global_wcid.hw_key_idx = -1;
|
|
dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET;
|
|
rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void mt7921_init_work(struct work_struct *work)
|
|
{
|
|
struct mt7921_dev *dev = container_of(work, struct mt7921_dev,
|
|
init_work);
|
|
int ret;
|
|
|
|
ret = mt7921_init_hardware(dev);
|
|
if (ret)
|
|
return;
|
|
|
|
mt76_set_stream_caps(&dev->mphy, true);
|
|
mt7921_set_stream_he_caps(&dev->phy);
|
|
|
|
ret = mt76_register_device(&dev->mt76, true, mt76_rates,
|
|
ARRAY_SIZE(mt76_rates));
|
|
if (ret) {
|
|
dev_err(dev->mt76.dev, "register device failed\n");
|
|
return;
|
|
}
|
|
|
|
ret = mt7921_init_debugfs(dev);
|
|
if (ret) {
|
|
dev_err(dev->mt76.dev, "register debugfs failed\n");
|
|
return;
|
|
}
|
|
|
|
/* we support chip reset now */
|
|
dev->hw_init_done = true;
|
|
|
|
mt76_connac_mcu_set_deep_sleep(&dev->mt76, dev->pm.ds_enable);
|
|
}
|
|
|
|
int mt7921_register_device(struct mt7921_dev *dev)
|
|
{
|
|
struct ieee80211_hw *hw = mt76_hw(dev);
|
|
int ret;
|
|
|
|
dev->phy.dev = dev;
|
|
dev->phy.mt76 = &dev->mt76.phy;
|
|
dev->mt76.phy.priv = &dev->phy;
|
|
dev->mt76.tx_worker.fn = mt7921_tx_worker;
|
|
|
|
INIT_DELAYED_WORK(&dev->pm.ps_work, mt7921_pm_power_save_work);
|
|
INIT_WORK(&dev->pm.wake_work, mt7921_pm_wake_work);
|
|
spin_lock_init(&dev->pm.wake.lock);
|
|
mutex_init(&dev->pm.mutex);
|
|
init_waitqueue_head(&dev->pm.wait);
|
|
if (mt76_is_sdio(&dev->mt76))
|
|
init_waitqueue_head(&dev->mt76.sdio.wait);
|
|
spin_lock_init(&dev->pm.txq_lock);
|
|
INIT_DELAYED_WORK(&dev->mphy.mac_work, mt7921_mac_work);
|
|
INIT_DELAYED_WORK(&dev->phy.scan_work, mt7921_scan_work);
|
|
INIT_DELAYED_WORK(&dev->coredump.work, mt7921_coredump_work);
|
|
#if IS_ENABLED(CONFIG_IPV6)
|
|
INIT_WORK(&dev->ipv6_ns_work, mt7921_set_ipv6_ns_work);
|
|
skb_queue_head_init(&dev->ipv6_ns_list);
|
|
#endif
|
|
skb_queue_head_init(&dev->phy.scan_event_list);
|
|
skb_queue_head_init(&dev->coredump.msg_list);
|
|
INIT_LIST_HEAD(&dev->sta_poll_list);
|
|
spin_lock_init(&dev->sta_poll_lock);
|
|
|
|
INIT_WORK(&dev->reset_work, mt7921_mac_reset_work);
|
|
INIT_WORK(&dev->init_work, mt7921_init_work);
|
|
|
|
dev->pm.idle_timeout = MT7921_PM_TIMEOUT;
|
|
dev->pm.stats.last_wake_event = jiffies;
|
|
dev->pm.stats.last_doze_event = jiffies;
|
|
if (!mt76_is_usb(&dev->mt76)) {
|
|
dev->pm.enable_user = true;
|
|
dev->pm.enable = true;
|
|
dev->pm.ds_enable_user = true;
|
|
dev->pm.ds_enable = true;
|
|
}
|
|
|
|
if (!mt76_is_mmio(&dev->mt76))
|
|
hw->extra_tx_headroom += MT_SDIO_TXD_SIZE + MT_SDIO_HDR_SIZE;
|
|
|
|
mt7921_init_acpi_sar(dev);
|
|
|
|
ret = mt7921_init_wcid(dev);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = mt7921_init_wiphy(hw);
|
|
if (ret)
|
|
return ret;
|
|
|
|
dev->mphy.sband_2g.sband.ht_cap.cap |=
|
|
IEEE80211_HT_CAP_LDPC_CODING |
|
|
IEEE80211_HT_CAP_MAX_AMSDU;
|
|
dev->mphy.sband_5g.sband.ht_cap.cap |=
|
|
IEEE80211_HT_CAP_LDPC_CODING |
|
|
IEEE80211_HT_CAP_MAX_AMSDU;
|
|
dev->mphy.sband_5g.sband.vht_cap.cap |=
|
|
IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
|
|
IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
|
|
IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
|
|
IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
|
|
(3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
|
|
if (is_mt7922(&dev->mt76))
|
|
dev->mphy.sband_5g.sband.vht_cap.cap |=
|
|
IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
|
|
IEEE80211_VHT_CAP_SHORT_GI_160;
|
|
|
|
dev->mphy.hw->wiphy->available_antennas_rx = dev->mphy.chainmask;
|
|
dev->mphy.hw->wiphy->available_antennas_tx = dev->mphy.chainmask;
|
|
|
|
queue_work(system_wq, &dev->init_work);
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(mt7921_register_device);
|