diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89/core.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/core.c | 6648 |
1 files changed, 6648 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c new file mode 100644 index 000000000000..0824940c91ae --- /dev/null +++ b/drivers/net/wireless/realtek/rtw89/core.c @@ -0,0 +1,6648 @@ +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +/* Copyright(c) 2019-2020 Realtek Corporation + */ +#include <linux/ip.h> +#include <linux/sort.h> +#include <linux/udp.h> + +#include "cam.h" +#include "chan.h" +#include "coex.h" +#include "core.h" +#include "efuse.h" +#include "fw.h" +#include "mac.h" +#include "phy.h" +#include "ps.h" +#include "reg.h" +#include "sar.h" +#include "ser.h" +#include "txrx.h" +#include "util.h" +#include "wow.h" + +static bool rtw89_disable_ps_mode; +module_param_named(disable_ps_mode, rtw89_disable_ps_mode, bool, 0644); +MODULE_PARM_DESC(disable_ps_mode, "Set Y to disable low power mode"); + +#define RTW89_DEF_CHAN(_freq, _hw_val, _flags, _band) \ + { .center_freq = _freq, .hw_value = _hw_val, .flags = _flags, .band = _band, } +#define RTW89_DEF_CHAN_2G(_freq, _hw_val) \ + RTW89_DEF_CHAN(_freq, _hw_val, 0, NL80211_BAND_2GHZ) +#define RTW89_DEF_CHAN_5G(_freq, _hw_val) \ + RTW89_DEF_CHAN(_freq, _hw_val, 0, NL80211_BAND_5GHZ) +#define RTW89_DEF_CHAN_5G_NO_HT40MINUS(_freq, _hw_val) \ + RTW89_DEF_CHAN(_freq, _hw_val, IEEE80211_CHAN_NO_HT40MINUS, NL80211_BAND_5GHZ) +#define RTW89_DEF_CHAN_6G(_freq, _hw_val) \ + RTW89_DEF_CHAN(_freq, _hw_val, 0, NL80211_BAND_6GHZ) + +static struct ieee80211_channel rtw89_channels_2ghz[] = { + RTW89_DEF_CHAN_2G(2412, 1), + RTW89_DEF_CHAN_2G(2417, 2), + RTW89_DEF_CHAN_2G(2422, 3), + RTW89_DEF_CHAN_2G(2427, 4), + RTW89_DEF_CHAN_2G(2432, 5), + RTW89_DEF_CHAN_2G(2437, 6), + RTW89_DEF_CHAN_2G(2442, 7), + RTW89_DEF_CHAN_2G(2447, 8), + RTW89_DEF_CHAN_2G(2452, 9), + RTW89_DEF_CHAN_2G(2457, 10), + RTW89_DEF_CHAN_2G(2462, 11), + RTW89_DEF_CHAN_2G(2467, 12), + RTW89_DEF_CHAN_2G(2472, 13), + RTW89_DEF_CHAN_2G(2484, 14), +}; + +static struct ieee80211_channel rtw89_channels_5ghz[] = { + RTW89_DEF_CHAN_5G(5180, 36), + RTW89_DEF_CHAN_5G(5200, 40), + RTW89_DEF_CHAN_5G(5220, 44), + RTW89_DEF_CHAN_5G(5240, 48), + RTW89_DEF_CHAN_5G(5260, 52), + RTW89_DEF_CHAN_5G(5280, 56), + RTW89_DEF_CHAN_5G(5300, 60), + RTW89_DEF_CHAN_5G(5320, 64), + RTW89_DEF_CHAN_5G(5500, 100), + RTW89_DEF_CHAN_5G(5520, 104), + RTW89_DEF_CHAN_5G(5540, 108), + RTW89_DEF_CHAN_5G(5560, 112), + RTW89_DEF_CHAN_5G(5580, 116), + RTW89_DEF_CHAN_5G(5600, 120), + RTW89_DEF_CHAN_5G(5620, 124), + RTW89_DEF_CHAN_5G(5640, 128), + RTW89_DEF_CHAN_5G(5660, 132), + RTW89_DEF_CHAN_5G(5680, 136), + RTW89_DEF_CHAN_5G(5700, 140), + RTW89_DEF_CHAN_5G(5720, 144), + RTW89_DEF_CHAN_5G(5745, 149), + RTW89_DEF_CHAN_5G(5765, 153), + RTW89_DEF_CHAN_5G(5785, 157), + RTW89_DEF_CHAN_5G(5805, 161), + RTW89_DEF_CHAN_5G_NO_HT40MINUS(5825, 165), + RTW89_DEF_CHAN_5G(5845, 169), + RTW89_DEF_CHAN_5G(5865, 173), + RTW89_DEF_CHAN_5G(5885, 177), +}; + +static_assert(RTW89_5GHZ_UNII4_START_INDEX + RTW89_5GHZ_UNII4_CHANNEL_NUM == + ARRAY_SIZE(rtw89_channels_5ghz)); + +static struct ieee80211_channel rtw89_channels_6ghz[] = { + RTW89_DEF_CHAN_6G(5955, 1), + RTW89_DEF_CHAN_6G(5975, 5), + RTW89_DEF_CHAN_6G(5995, 9), + RTW89_DEF_CHAN_6G(6015, 13), + RTW89_DEF_CHAN_6G(6035, 17), + RTW89_DEF_CHAN_6G(6055, 21), + RTW89_DEF_CHAN_6G(6075, 25), + RTW89_DEF_CHAN_6G(6095, 29), + RTW89_DEF_CHAN_6G(6115, 33), + RTW89_DEF_CHAN_6G(6135, 37), + RTW89_DEF_CHAN_6G(6155, 41), + RTW89_DEF_CHAN_6G(6175, 45), + RTW89_DEF_CHAN_6G(6195, 49), + RTW89_DEF_CHAN_6G(6215, 53), + RTW89_DEF_CHAN_6G(6235, 57), + RTW89_DEF_CHAN_6G(6255, 61), + RTW89_DEF_CHAN_6G(6275, 65), + RTW89_DEF_CHAN_6G(6295, 69), + RTW89_DEF_CHAN_6G(6315, 73), + RTW89_DEF_CHAN_6G(6335, 77), + RTW89_DEF_CHAN_6G(6355, 81), + RTW89_DEF_CHAN_6G(6375, 85), + RTW89_DEF_CHAN_6G(6395, 89), + RTW89_DEF_CHAN_6G(6415, 93), + RTW89_DEF_CHAN_6G(6435, 97), + RTW89_DEF_CHAN_6G(6455, 101), + RTW89_DEF_CHAN_6G(6475, 105), + RTW89_DEF_CHAN_6G(6495, 109), + RTW89_DEF_CHAN_6G(6515, 113), + RTW89_DEF_CHAN_6G(6535, 117), + RTW89_DEF_CHAN_6G(6555, 121), + RTW89_DEF_CHAN_6G(6575, 125), + RTW89_DEF_CHAN_6G(6595, 129), + RTW89_DEF_CHAN_6G(6615, 133), + RTW89_DEF_CHAN_6G(6635, 137), + RTW89_DEF_CHAN_6G(6655, 141), + RTW89_DEF_CHAN_6G(6675, 145), + RTW89_DEF_CHAN_6G(6695, 149), + RTW89_DEF_CHAN_6G(6715, 153), + RTW89_DEF_CHAN_6G(6735, 157), + RTW89_DEF_CHAN_6G(6755, 161), + RTW89_DEF_CHAN_6G(6775, 165), + RTW89_DEF_CHAN_6G(6795, 169), + RTW89_DEF_CHAN_6G(6815, 173), + RTW89_DEF_CHAN_6G(6835, 177), + RTW89_DEF_CHAN_6G(6855, 181), + RTW89_DEF_CHAN_6G(6875, 185), + RTW89_DEF_CHAN_6G(6895, 189), + RTW89_DEF_CHAN_6G(6915, 193), + RTW89_DEF_CHAN_6G(6935, 197), + RTW89_DEF_CHAN_6G(6955, 201), + RTW89_DEF_CHAN_6G(6975, 205), + RTW89_DEF_CHAN_6G(6995, 209), + RTW89_DEF_CHAN_6G(7015, 213), + RTW89_DEF_CHAN_6G(7035, 217), + RTW89_DEF_CHAN_6G(7055, 221), + RTW89_DEF_CHAN_6G(7075, 225), + RTW89_DEF_CHAN_6G(7095, 229), + RTW89_DEF_CHAN_6G(7115, 233), +}; + +static struct ieee80211_rate rtw89_bitrates[] = { + { .bitrate = 10, .hw_value = 0x00, }, + { .bitrate = 20, .hw_value = 0x01, }, + { .bitrate = 55, .hw_value = 0x02, }, + { .bitrate = 110, .hw_value = 0x03, }, + { .bitrate = 60, .hw_value = 0x04, }, + { .bitrate = 90, .hw_value = 0x05, }, + { .bitrate = 120, .hw_value = 0x06, }, + { .bitrate = 180, .hw_value = 0x07, }, + { .bitrate = 240, .hw_value = 0x08, }, + { .bitrate = 360, .hw_value = 0x09, }, + { .bitrate = 480, .hw_value = 0x0a, }, + { .bitrate = 540, .hw_value = 0x0b, }, +}; + +static const struct ieee80211_iface_limit rtw89_iface_limits[] = { + { + .max = 1, + .types = BIT(NL80211_IFTYPE_STATION), + }, + { + .max = 1, + .types = BIT(NL80211_IFTYPE_P2P_CLIENT) | + BIT(NL80211_IFTYPE_P2P_GO) | + BIT(NL80211_IFTYPE_AP), + }, +}; + +static const struct ieee80211_iface_limit rtw89_iface_limits_mcc[] = { + { + .max = 1, + .types = BIT(NL80211_IFTYPE_STATION), + }, + { + .max = 1, + .types = BIT(NL80211_IFTYPE_P2P_CLIENT) | + BIT(NL80211_IFTYPE_P2P_GO), + }, +}; + +static const struct ieee80211_iface_combination rtw89_iface_combs[] = { + { + .limits = rtw89_iface_limits, + .n_limits = ARRAY_SIZE(rtw89_iface_limits), + .max_interfaces = RTW89_MAX_INTERFACE_NUM, + .num_different_channels = 1, + }, + { + .limits = rtw89_iface_limits_mcc, + .n_limits = ARRAY_SIZE(rtw89_iface_limits_mcc), + .max_interfaces = RTW89_MAX_INTERFACE_NUM, + .num_different_channels = 2, + }, +}; + +static const u8 rtw89_ext_capa_sta[] = { + [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, + [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT, + [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, +}; + +static const struct wiphy_iftype_ext_capab rtw89_iftypes_ext_capa[] = { + { + .iftype = NL80211_IFTYPE_STATION, + .extended_capabilities = rtw89_ext_capa_sta, + .extended_capabilities_mask = rtw89_ext_capa_sta, + .extended_capabilities_len = sizeof(rtw89_ext_capa_sta), + /* relevant only if EHT is supported */ + .eml_capabilities = 0, + .mld_capa_and_ops = 0, + }, +}; + +#define RTW89_6GHZ_SPAN_HEAD 6145 +#define RTW89_6GHZ_SPAN_IDX(center_freq) \ + ((((int)(center_freq) - RTW89_6GHZ_SPAN_HEAD) / 5) / 2) + +#define RTW89_DECL_6GHZ_SPAN(center_freq, subband_l, subband_h) \ + [RTW89_6GHZ_SPAN_IDX(center_freq)] = { \ + .sar_subband_low = RTW89_SAR_6GHZ_ ## subband_l, \ + .sar_subband_high = RTW89_SAR_6GHZ_ ## subband_h, \ + .acpi_sar_subband_low = RTW89_ACPI_SAR_6GHZ_ ## subband_l, \ + .acpi_sar_subband_high = RTW89_ACPI_SAR_6GHZ_ ## subband_h, \ + .ant_gain_subband_low = RTW89_ANT_GAIN_6GHZ_ ## subband_l, \ + .ant_gain_subband_high = RTW89_ANT_GAIN_6GHZ_ ## subband_h, \ + } + +/* Since 6GHz subbands are not edge aligned, some cases span two subbands. + * In the following, we describe each of them with rtw89_6ghz_span. + */ +static const struct rtw89_6ghz_span rtw89_overlapping_6ghz[] = { + RTW89_DECL_6GHZ_SPAN(6145, SUBBAND_5_L, SUBBAND_5_H), + RTW89_DECL_6GHZ_SPAN(6165, SUBBAND_5_L, SUBBAND_5_H), + RTW89_DECL_6GHZ_SPAN(6185, SUBBAND_5_L, SUBBAND_5_H), + RTW89_DECL_6GHZ_SPAN(6505, SUBBAND_6, SUBBAND_7_L), + RTW89_DECL_6GHZ_SPAN(6525, SUBBAND_6, SUBBAND_7_L), + RTW89_DECL_6GHZ_SPAN(6545, SUBBAND_6, SUBBAND_7_L), + RTW89_DECL_6GHZ_SPAN(6665, SUBBAND_7_L, SUBBAND_7_H), + RTW89_DECL_6GHZ_SPAN(6705, SUBBAND_7_L, SUBBAND_7_H), + RTW89_DECL_6GHZ_SPAN(6825, SUBBAND_7_H, SUBBAND_8), + RTW89_DECL_6GHZ_SPAN(6865, SUBBAND_7_H, SUBBAND_8), + RTW89_DECL_6GHZ_SPAN(6875, SUBBAND_7_H, SUBBAND_8), + RTW89_DECL_6GHZ_SPAN(6885, SUBBAND_7_H, SUBBAND_8), +}; + +const struct rtw89_6ghz_span * +rtw89_get_6ghz_span(struct rtw89_dev *rtwdev, u32 center_freq) +{ + int idx; + + if (center_freq >= RTW89_6GHZ_SPAN_HEAD) { + idx = RTW89_6GHZ_SPAN_IDX(center_freq); + /* To decrease size of rtw89_overlapping_6ghz[], + * RTW89_6GHZ_SPAN_IDX() truncates the leading NULLs + * to make first span as index 0 of the table. So, if center + * frequency is less than the first one, it will get netative. + */ + if (idx >= 0 && idx < ARRAY_SIZE(rtw89_overlapping_6ghz)) + return &rtw89_overlapping_6ghz[idx]; + } + + return NULL; +} + +bool rtw89_legacy_rate_to_bitrate(struct rtw89_dev *rtwdev, u8 legacy_rate, u16 *bitrate) +{ + const struct ieee80211_rate *rate; + + if (unlikely(legacy_rate >= ARRAY_SIZE(rtw89_bitrates))) { + rtw89_debug(rtwdev, RTW89_DBG_UNEXP, + "invalid legacy rate %d\n", legacy_rate); + return false; + } + + rate = &rtw89_bitrates[legacy_rate]; + *bitrate = rate->bitrate; + + return true; +} + +static const struct ieee80211_supported_band rtw89_sband_2ghz = { + .band = NL80211_BAND_2GHZ, + .channels = rtw89_channels_2ghz, + .n_channels = ARRAY_SIZE(rtw89_channels_2ghz), + .bitrates = rtw89_bitrates, + .n_bitrates = ARRAY_SIZE(rtw89_bitrates), + .ht_cap = {0}, + .vht_cap = {0}, +}; + +static const struct ieee80211_supported_band rtw89_sband_5ghz = { + .band = NL80211_BAND_5GHZ, + .channels = rtw89_channels_5ghz, + .n_channels = ARRAY_SIZE(rtw89_channels_5ghz), + + /* 5G has no CCK rates, 1M/2M/5.5M/11M */ + .bitrates = rtw89_bitrates + 4, + .n_bitrates = ARRAY_SIZE(rtw89_bitrates) - 4, + .ht_cap = {0}, + .vht_cap = {0}, +}; + +static const struct ieee80211_supported_band rtw89_sband_6ghz = { + .band = NL80211_BAND_6GHZ, + .channels = rtw89_channels_6ghz, + .n_channels = ARRAY_SIZE(rtw89_channels_6ghz), + + /* 6G has no CCK rates, 1M/2M/5.5M/11M */ + .bitrates = rtw89_bitrates + 4, + .n_bitrates = ARRAY_SIZE(rtw89_bitrates) - 4, +}; + +static const struct rtw89_hw_rate_def { + enum rtw89_hw_rate ht; + enum rtw89_hw_rate vht[RTW89_NSS_NUM]; +} rtw89_hw_rate[RTW89_CHIP_GEN_NUM] = { + [RTW89_CHIP_AX] = { + .ht = RTW89_HW_RATE_MCS0, + .vht = {RTW89_HW_RATE_VHT_NSS1_MCS0, + RTW89_HW_RATE_VHT_NSS2_MCS0, + RTW89_HW_RATE_VHT_NSS3_MCS0, + RTW89_HW_RATE_VHT_NSS4_MCS0}, + }, + [RTW89_CHIP_BE] = { + .ht = RTW89_HW_RATE_V1_MCS0, + .vht = {RTW89_HW_RATE_V1_VHT_NSS1_MCS0, + RTW89_HW_RATE_V1_VHT_NSS2_MCS0, + RTW89_HW_RATE_V1_VHT_NSS3_MCS0, + RTW89_HW_RATE_V1_VHT_NSS4_MCS0}, + }, +}; + +static void __rtw89_traffic_stats_accu(struct rtw89_traffic_stats *stats, + struct sk_buff *skb, bool tx) +{ + if (tx) { + stats->tx_cnt++; + stats->tx_unicast += skb->len; + } else { + stats->rx_cnt++; + stats->rx_unicast += skb->len; + } +} + +static void rtw89_traffic_stats_accu(struct rtw89_dev *rtwdev, + struct rtw89_vif *rtwvif, + struct sk_buff *skb, + bool accu_dev, bool tx) +{ + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + + if (!ieee80211_is_data(hdr->frame_control)) + return; + + if (is_broadcast_ether_addr(hdr->addr1) || + is_multicast_ether_addr(hdr->addr1)) + return; + + if (accu_dev) + __rtw89_traffic_stats_accu(&rtwdev->stats, skb, tx); + + if (rtwvif) { + __rtw89_traffic_stats_accu(&rtwvif->stats, skb, tx); + __rtw89_traffic_stats_accu(&rtwvif->stats_ps, skb, tx); + } +} + +void rtw89_get_default_chandef(struct cfg80211_chan_def *chandef) +{ + cfg80211_chandef_create(chandef, &rtw89_channels_2ghz[0], + NL80211_CHAN_NO_HT); +} + +void rtw89_get_channel_params(const struct cfg80211_chan_def *chandef, + struct rtw89_chan *chan) +{ + struct ieee80211_channel *channel = chandef->chan; + enum nl80211_chan_width width = chandef->width; + u32 primary_freq, center_freq; + u8 center_chan; + u8 bandwidth = RTW89_CHANNEL_WIDTH_20; + u32 offset; + u8 band; + + center_chan = channel->hw_value; + primary_freq = channel->center_freq; + center_freq = chandef->center_freq1; + + switch (width) { + case NL80211_CHAN_WIDTH_20_NOHT: + case NL80211_CHAN_WIDTH_20: + bandwidth = RTW89_CHANNEL_WIDTH_20; + break; + case NL80211_CHAN_WIDTH_40: + bandwidth = RTW89_CHANNEL_WIDTH_40; + if (primary_freq > center_freq) { + center_chan -= 2; + } else { + center_chan += 2; + } + break; + case NL80211_CHAN_WIDTH_80: + case NL80211_CHAN_WIDTH_160: + bandwidth = nl_to_rtw89_bandwidth(width); + if (primary_freq > center_freq) { + offset = (primary_freq - center_freq - 10) / 20; + center_chan -= 2 + offset * 4; + } else { + offset = (center_freq - primary_freq - 10) / 20; + center_chan += 2 + offset * 4; + } + break; + default: + center_chan = 0; + break; + } + + switch (channel->band) { + default: + case NL80211_BAND_2GHZ: + band = RTW89_BAND_2G; + break; + case NL80211_BAND_5GHZ: + band = RTW89_BAND_5G; + break; + case NL80211_BAND_6GHZ: + band = RTW89_BAND_6G; + break; + } + + rtw89_chan_create(chan, center_chan, channel->hw_value, band, bandwidth); +} + +static void __rtw89_core_set_chip_txpwr(struct rtw89_dev *rtwdev, + const struct rtw89_chan *chan, + enum rtw89_phy_idx phy_idx) +{ + const struct rtw89_chip_info *chip = rtwdev->chip; + bool entity_active; + + entity_active = rtw89_get_entity_state(rtwdev, phy_idx); + if (!entity_active) + return; + + chip->ops->set_txpwr(rtwdev, chan, phy_idx); +} + +void rtw89_core_set_chip_txpwr(struct rtw89_dev *rtwdev) +{ + const struct rtw89_chan *chan; + + chan = rtw89_mgnt_chan_get(rtwdev, 0); + __rtw89_core_set_chip_txpwr(rtwdev, chan, RTW89_PHY_0); + + if (!rtwdev->support_mlo) + return; + + chan = rtw89_mgnt_chan_get(rtwdev, 1); + __rtw89_core_set_chip_txpwr(rtwdev, chan, RTW89_PHY_1); +} + +static void rtw89_chip_rfk_channel_for_pure_mon_vif(struct rtw89_dev *rtwdev, + enum rtw89_phy_idx phy_idx) +{ + struct rtw89_vif *rtwvif = rtwdev->pure_monitor_mode_vif; + struct rtw89_vif_link *rtwvif_link; + + if (!rtwvif) + return; + + rtwvif_link = rtw89_vif_get_link_inst(rtwvif, phy_idx); + if (!rtwvif_link) + return; + + rtw89_chip_rfk_channel(rtwdev, rtwvif_link); +} + +static void __rtw89_set_channel(struct rtw89_dev *rtwdev, + const struct rtw89_chan *chan, + enum rtw89_mac_idx mac_idx, + enum rtw89_phy_idx phy_idx) +{ + const struct rtw89_chip_info *chip = rtwdev->chip; + const struct rtw89_chan_rcd *chan_rcd; + struct rtw89_channel_help_params bak; + bool entity_active; + + entity_active = rtw89_get_entity_state(rtwdev, phy_idx); + + chan_rcd = rtw89_chan_rcd_get_by_chan(chan); + + rtw89_chip_set_channel_prepare(rtwdev, &bak, chan, mac_idx, phy_idx); + + chip->ops->set_channel(rtwdev, chan, mac_idx, phy_idx); + + chip->ops->set_txpwr(rtwdev, chan, phy_idx); + + rtw89_chip_set_channel_done(rtwdev, &bak, chan, mac_idx, phy_idx); + + if (!entity_active || chan_rcd->band_changed) { + rtw89_btc_ntfy_switch_band(rtwdev, phy_idx, chan->band_type); + rtw89_chip_rfk_band_changed(rtwdev, phy_idx, chan); + } + + rtw89_set_entity_state(rtwdev, phy_idx, true); + + rtw89_chip_rfk_channel_for_pure_mon_vif(rtwdev, phy_idx); +} + +int rtw89_set_channel(struct rtw89_dev *rtwdev) +{ + const struct rtw89_chan *chan; + enum rtw89_entity_mode mode; + + mode = rtw89_entity_recalc(rtwdev); + if (mode < 0 || mode >= NUM_OF_RTW89_ENTITY_MODE) { + WARN(1, "Invalid ent mode: %d\n", mode); + return -EINVAL; + } + + chan = rtw89_mgnt_chan_get(rtwdev, 0); + __rtw89_set_channel(rtwdev, chan, RTW89_MAC_0, RTW89_PHY_0); + + if (!rtwdev->support_mlo) + return 0; + + chan = rtw89_mgnt_chan_get(rtwdev, 1); + __rtw89_set_channel(rtwdev, chan, RTW89_MAC_1, RTW89_PHY_1); + + return 0; +} + +static enum rtw89_core_tx_type +rtw89_core_get_tx_type(struct rtw89_dev *rtwdev, + struct sk_buff *skb) +{ + struct ieee80211_hdr *hdr = (void *)skb->data; + __le16 fc = hdr->frame_control; + + if (ieee80211_is_mgmt(fc) || ieee80211_is_nullfunc(fc)) + return RTW89_CORE_TX_TYPE_MGMT; + + return RTW89_CORE_TX_TYPE_DATA; +} + +static void +rtw89_core_tx_update_ampdu_info(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req, + enum btc_pkt_type pkt_type) +{ + struct rtw89_sta_link *rtwsta_link = tx_req->rtwsta_link; + struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info; + struct ieee80211_link_sta *link_sta; + struct sk_buff *skb = tx_req->skb; + struct rtw89_sta *rtwsta; + u8 ampdu_num; + u8 tid; + + if (pkt_type == PACKET_EAPOL) { + desc_info->bk = true; + return; + } + + if (!(IEEE80211_SKB_CB(skb)->flags & IEEE80211_TX_CTL_AMPDU)) + return; + + if (!rtwsta_link) { + rtw89_warn(rtwdev, "cannot set ampdu info without sta\n"); + return; + } + + tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK; + rtwsta = rtwsta_link->rtwsta; + + rcu_read_lock(); + + link_sta = rtw89_sta_rcu_dereference_link(rtwsta_link, false); + ampdu_num = (u8)((rtwsta->ampdu_params[tid].agg_num ? + rtwsta->ampdu_params[tid].agg_num : + 4 << link_sta->ht_cap.ampdu_factor) - 1); + + desc_info->agg_en = true; + desc_info->ampdu_density = link_sta->ht_cap.ampdu_density; + desc_info->ampdu_num = ampdu_num; + + rcu_read_unlock(); +} + +static void +rtw89_core_tx_update_sec_key(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req) +{ + struct rtw89_cam_info *cam_info = &rtwdev->cam_info; + const struct rtw89_chip_info *chip = rtwdev->chip; + const struct rtw89_sec_cam_entry *sec_cam; + struct ieee80211_tx_info *info; + struct ieee80211_key_conf *key; + struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info; + struct sk_buff *skb = tx_req->skb; + u8 sec_type = RTW89_SEC_KEY_TYPE_NONE; + u8 sec_cam_idx; + u64 pn64; + + info = IEEE80211_SKB_CB(skb); + key = info->control.hw_key; + sec_cam_idx = key->hw_key_idx; + sec_cam = cam_info->sec_entries[sec_cam_idx]; + if (!sec_cam) { + rtw89_warn(rtwdev, "sec cam entry is empty\n"); + return; + } + + switch (key->cipher) { + case WLAN_CIPHER_SUITE_WEP40: + sec_type = RTW89_SEC_KEY_TYPE_WEP40; + break; + case WLAN_CIPHER_SUITE_WEP104: + sec_type = RTW89_SEC_KEY_TYPE_WEP104; + break; + case WLAN_CIPHER_SUITE_TKIP: + sec_type = RTW89_SEC_KEY_TYPE_TKIP; + break; + case WLAN_CIPHER_SUITE_CCMP: + sec_type = RTW89_SEC_KEY_TYPE_CCMP128; + break; + case WLAN_CIPHER_SUITE_CCMP_256: + sec_type = RTW89_SEC_KEY_TYPE_CCMP256; + break; + case WLAN_CIPHER_SUITE_GCMP: + sec_type = RTW89_SEC_KEY_TYPE_GCMP128; + break; + case WLAN_CIPHER_SUITE_GCMP_256: + sec_type = RTW89_SEC_KEY_TYPE_GCMP256; + break; + default: + rtw89_warn(rtwdev, "key cipher not supported %d\n", key->cipher); + return; + } + + desc_info->sec_en = true; + desc_info->sec_keyid = key->keyidx; + desc_info->sec_type = sec_type; + desc_info->sec_cam_idx = sec_cam->sec_cam_idx; + + if (!chip->hw_sec_hdr) + return; + + pn64 = atomic64_inc_return(&key->tx_pn); + desc_info->sec_seq[0] = pn64; + desc_info->sec_seq[1] = pn64 >> 8; + desc_info->sec_seq[2] = pn64 >> 16; + desc_info->sec_seq[3] = pn64 >> 24; + desc_info->sec_seq[4] = pn64 >> 32; + desc_info->sec_seq[5] = pn64 >> 40; + desc_info->wp_offset = 1; /* in unit of 8 bytes for security header */ +} + +static u16 rtw89_core_get_mgmt_rate(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req, + const struct rtw89_chan *chan) +{ + struct sk_buff *skb = tx_req->skb; + struct rtw89_vif_link *rtwvif_link = tx_req->rtwvif_link; + struct rtw89_sta_link *rtwsta_link = tx_req->rtwsta_link; + struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); + struct ieee80211_vif *vif = tx_info->control.vif; + struct ieee80211_bss_conf *bss_conf; + u16 lowest_rate; + u16 rate; + + if (tx_info->flags & IEEE80211_TX_CTL_NO_CCK_RATE || + (vif && vif->p2p)) + lowest_rate = RTW89_HW_RATE_OFDM6; + else if (chan->band_type == RTW89_BAND_2G) + lowest_rate = RTW89_HW_RATE_CCK1; + else + lowest_rate = RTW89_HW_RATE_OFDM6; + + if (!rtwvif_link) + return lowest_rate; + + rcu_read_lock(); + + bss_conf = rtw89_vif_rcu_dereference_link(rtwvif_link, false); + if (!bss_conf->basic_rates || !rtwsta_link) { + rate = lowest_rate; + goto out; + } + + rate = __ffs(bss_conf->basic_rates) + lowest_rate; + +out: + rcu_read_unlock(); + + return rate; +} + +static u8 rtw89_core_tx_get_mac_id(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req) +{ + struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info; + struct rtw89_vif_link *rtwvif_link = tx_req->rtwvif_link; + struct rtw89_sta_link *rtwsta_link = tx_req->rtwsta_link; + + if (desc_info->mlo && !desc_info->sw_mld) { + if (rtwsta_link) + return rtw89_sta_get_main_macid(rtwsta_link->rtwsta); + else + return rtw89_vif_get_main_macid(rtwvif_link->rtwvif); + } + + if (!rtwsta_link) + return rtwvif_link->mac_id; + + return rtwsta_link->mac_id; +} + +static void rtw89_core_tx_update_llc_hdr(struct rtw89_dev *rtwdev, + struct rtw89_tx_desc_info *desc_info, + struct sk_buff *skb) +{ + struct ieee80211_hdr *hdr = (void *)skb->data; + __le16 fc = hdr->frame_control; + + desc_info->hdr_llc_len = ieee80211_hdrlen(fc); + desc_info->hdr_llc_len >>= 1; /* in unit of 2 bytes */ +} + +u8 rtw89_core_get_ch_dma(struct rtw89_dev *rtwdev, u8 qsel) +{ + switch (qsel) { + default: + rtw89_warn(rtwdev, "Cannot map qsel to dma: %d\n", qsel); + fallthrough; + case RTW89_TX_QSEL_BE_0: + case RTW89_TX_QSEL_BE_1: + case RTW89_TX_QSEL_BE_2: + case RTW89_TX_QSEL_BE_3: + return RTW89_TXCH_ACH0; + case RTW89_TX_QSEL_BK_0: + case RTW89_TX_QSEL_BK_1: + case RTW89_TX_QSEL_BK_2: + case RTW89_TX_QSEL_BK_3: + return RTW89_TXCH_ACH1; + case RTW89_TX_QSEL_VI_0: + case RTW89_TX_QSEL_VI_1: + case RTW89_TX_QSEL_VI_2: + case RTW89_TX_QSEL_VI_3: + return RTW89_TXCH_ACH2; + case RTW89_TX_QSEL_VO_0: + case RTW89_TX_QSEL_VO_1: + case RTW89_TX_QSEL_VO_2: + case RTW89_TX_QSEL_VO_3: + return RTW89_TXCH_ACH3; + case RTW89_TX_QSEL_B0_MGMT: + return RTW89_TXCH_CH8; + case RTW89_TX_QSEL_B0_HI: + return RTW89_TXCH_CH9; + case RTW89_TX_QSEL_B1_MGMT: + return RTW89_TXCH_CH10; + case RTW89_TX_QSEL_B1_HI: + return RTW89_TXCH_CH11; + } +} +EXPORT_SYMBOL(rtw89_core_get_ch_dma); + +u8 rtw89_core_get_ch_dma_v1(struct rtw89_dev *rtwdev, u8 qsel) +{ + switch (qsel) { + default: + rtw89_warn(rtwdev, "Cannot map qsel to dma v1: %d\n", qsel); + fallthrough; + case RTW89_TX_QSEL_BE_0: + case RTW89_TX_QSEL_BK_0: + return RTW89_TXCH_ACH0; + case RTW89_TX_QSEL_VI_0: + case RTW89_TX_QSEL_VO_0: + return RTW89_TXCH_ACH2; + case RTW89_TX_QSEL_B0_MGMT: + case RTW89_TX_QSEL_B0_HI: + return RTW89_TXCH_CH8; + case RTW89_TX_QSEL_B1_MGMT: + case RTW89_TX_QSEL_B1_HI: + return RTW89_TXCH_CH10; + } +} +EXPORT_SYMBOL(rtw89_core_get_ch_dma_v1); + +u8 rtw89_core_get_ch_dma_v2(struct rtw89_dev *rtwdev, u8 qsel) +{ + switch (qsel) { + default: + rtw89_warn(rtwdev, "Cannot map qsel to dma v2: %d\n", qsel); + fallthrough; + case RTW89_TX_QSEL_BE_0: + case RTW89_TX_QSEL_VO_0: + return RTW89_TXCH_ACH0; + case RTW89_TX_QSEL_BK_0: + case RTW89_TX_QSEL_VI_0: + return RTW89_TXCH_ACH2; + case RTW89_TX_QSEL_B0_MGMT: + case RTW89_TX_QSEL_B0_HI: + return RTW89_TXCH_CH8; + } +} +EXPORT_SYMBOL(rtw89_core_get_ch_dma_v2); + +static void +rtw89_core_tx_update_mgmt_info(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req) +{ + const struct rtw89_chip_info *chip = rtwdev->chip; + struct rtw89_vif_link *rtwvif_link = tx_req->rtwvif_link; + struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info; + const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, + rtwvif_link->chanctx_idx); + struct sk_buff *skb = tx_req->skb; + u8 qsel, ch_dma; + + qsel = rtw89_core_get_qsel_mgmt(rtwdev, tx_req); + ch_dma = rtw89_chip_get_ch_dma(rtwdev, qsel); + + desc_info->qsel = qsel; + desc_info->ch_dma = ch_dma; + desc_info->port = desc_info->hiq ? rtwvif_link->port : 0; + desc_info->mac_id = rtw89_core_tx_get_mac_id(rtwdev, tx_req); + desc_info->hw_ssn_sel = RTW89_MGMT_HW_SSN_SEL; + desc_info->hw_seq_mode = RTW89_MGMT_HW_SEQ_MODE; + + /* fixed data rate for mgmt frames */ + desc_info->en_wd_info = true; + desc_info->use_rate = true; + desc_info->dis_data_fb = true; + desc_info->data_rate = rtw89_core_get_mgmt_rate(rtwdev, tx_req, chan); + + if (chip->hw_mgmt_tx_encrypt && IEEE80211_SKB_CB(skb)->control.hw_key) { + rtw89_core_tx_update_sec_key(rtwdev, tx_req); + rtw89_core_tx_update_llc_hdr(rtwdev, desc_info, skb); + } + + rtw89_debug(rtwdev, RTW89_DBG_TXRX, + "tx mgmt frame with rate 0x%x on channel %d (band %d, bw %d)\n", + desc_info->data_rate, chan->channel, chan->band_type, + chan->band_width); +} + +static void +rtw89_core_tx_update_h2c_info(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req) +{ + struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info; + + desc_info->is_bmc = false; + desc_info->wd_page = false; + desc_info->ch_dma = RTW89_DMA_H2C; +} + +static void rtw89_core_get_no_ul_ofdma_htc(struct rtw89_dev *rtwdev, __le32 *htc, + const struct rtw89_chan *chan) +{ + static const u8 rtw89_bandwidth_to_om[] = { + [RTW89_CHANNEL_WIDTH_20] = HTC_OM_CHANNEL_WIDTH_20, + [RTW89_CHANNEL_WIDTH_40] = HTC_OM_CHANNEL_WIDTH_40, + [RTW89_CHANNEL_WIDTH_80] = HTC_OM_CHANNEL_WIDTH_80, + [RTW89_CHANNEL_WIDTH_160] = HTC_OM_CHANNEL_WIDTH_160_OR_80_80, + [RTW89_CHANNEL_WIDTH_80_80] = HTC_OM_CHANNEL_WIDTH_160_OR_80_80, + }; + const struct rtw89_chip_info *chip = rtwdev->chip; + struct rtw89_hal *hal = &rtwdev->hal; + u8 om_bandwidth; + + if (!chip->dis_2g_40m_ul_ofdma || + chan->band_type != RTW89_BAND_2G || + chan->band_width != RTW89_CHANNEL_WIDTH_40) + return; + + om_bandwidth = chan->band_width < ARRAY_SIZE(rtw89_bandwidth_to_om) ? + rtw89_bandwidth_to_om[chan->band_width] : 0; + *htc = le32_encode_bits(RTW89_HTC_VARIANT_HE, RTW89_HTC_MASK_VARIANT) | + le32_encode_bits(RTW89_HTC_VARIANT_HE_CID_OM, RTW89_HTC_MASK_CTL_ID) | + le32_encode_bits(hal->rx_nss - 1, RTW89_HTC_MASK_HTC_OM_RX_NSS) | + le32_encode_bits(om_bandwidth, RTW89_HTC_MASK_HTC_OM_CH_WIDTH) | + le32_encode_bits(1, RTW89_HTC_MASK_HTC_OM_UL_MU_DIS) | + le32_encode_bits(hal->tx_nss - 1, RTW89_HTC_MASK_HTC_OM_TX_NSTS) | + le32_encode_bits(0, RTW89_HTC_MASK_HTC_OM_ER_SU_DIS) | + le32_encode_bits(0, RTW89_HTC_MASK_HTC_OM_DL_MU_MIMO_RR) | + le32_encode_bits(0, RTW89_HTC_MASK_HTC_OM_UL_MU_DATA_DIS); +} + +static bool +__rtw89_core_tx_check_he_qos_htc(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req, + enum btc_pkt_type pkt_type) +{ + struct rtw89_sta_link *rtwsta_link = tx_req->rtwsta_link; + struct sk_buff *skb = tx_req->skb; + struct ieee80211_hdr *hdr = (void *)skb->data; + struct ieee80211_link_sta *link_sta; + __le16 fc = hdr->frame_control; + + /* AP IOT issue with EAPoL, ARP and DHCP */ + if (pkt_type < PACKET_MAX) + return false; + + if (!rtwsta_link) + return false; + + rcu_read_lock(); + + link_sta = rtw89_sta_rcu_dereference_link(rtwsta_link, false); + if (!link_sta->he_cap.has_he) { + rcu_read_unlock(); + return false; + } + + rcu_read_unlock(); + + if (!ieee80211_is_data_qos(fc)) + return false; + + if (skb_headroom(skb) < IEEE80211_HT_CTL_LEN) + return false; + + if (rtwsta_link && rtwsta_link->ra_report.might_fallback_legacy) + return false; + + return true; +} + +static void +__rtw89_core_tx_adjust_he_qos_htc(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req) +{ + struct rtw89_sta_link *rtwsta_link = tx_req->rtwsta_link; + struct sk_buff *skb = tx_req->skb; + struct ieee80211_hdr *hdr = (void *)skb->data; + __le16 fc = hdr->frame_control; + void *data; + __le32 *htc; + u8 *qc; + int hdr_len; + + hdr_len = ieee80211_has_a4(fc) ? 32 : 26; + data = skb_push(skb, IEEE80211_HT_CTL_LEN); + memmove(data, data + IEEE80211_HT_CTL_LEN, hdr_len); + + hdr = data; + htc = data + hdr_len; + hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_ORDER); + *htc = rtwsta_link->htc_template ? rtwsta_link->htc_template : + le32_encode_bits(RTW89_HTC_VARIANT_HE, RTW89_HTC_MASK_VARIANT) | + le32_encode_bits(RTW89_HTC_VARIANT_HE_CID_CAS, RTW89_HTC_MASK_CTL_ID); + + qc = data + hdr_len - IEEE80211_QOS_CTL_LEN; + qc[0] |= IEEE80211_QOS_CTL_EOSP; +} + +static void +rtw89_core_tx_update_he_qos_htc(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req, + enum btc_pkt_type pkt_type) +{ + struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info; + struct rtw89_vif_link *rtwvif_link = tx_req->rtwvif_link; + + if (!__rtw89_core_tx_check_he_qos_htc(rtwdev, tx_req, pkt_type)) + goto desc_bk; + + __rtw89_core_tx_adjust_he_qos_htc(rtwdev, tx_req); + + desc_info->pkt_size += IEEE80211_HT_CTL_LEN; + desc_info->a_ctrl_bsr = true; + +desc_bk: + if (!rtwvif_link || rtwvif_link->last_a_ctrl == desc_info->a_ctrl_bsr) + return; + + rtwvif_link->last_a_ctrl = desc_info->a_ctrl_bsr; + desc_info->bk = true; +} + +static u16 rtw89_core_get_data_rate(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req) +{ + struct rtw89_vif_link *rtwvif_link = tx_req->rtwvif_link; + struct rtw89_sta_link *rtwsta_link = tx_req->rtwsta_link; + struct ieee80211_vif *vif = rtwvif_link_to_vif(rtwvif_link); + struct rtw89_phy_rate_pattern *rate_pattern = &rtwvif_link->rate_pattern; + enum rtw89_chanctx_idx idx = rtwvif_link->chanctx_idx; + const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, idx); + struct ieee80211_link_sta *link_sta; + u16 lowest_rate; + u16 rate; + + if (rate_pattern->enable) + return rate_pattern->rate; + + if (vif->p2p) + lowest_rate = RTW89_HW_RATE_OFDM6; + else if (chan->band_type == RTW89_BAND_2G) + lowest_rate = RTW89_HW_RATE_CCK1; + else + lowest_rate = RTW89_HW_RATE_OFDM6; + + if (!rtwsta_link) + return lowest_rate; + + rcu_read_lock(); + + link_sta = rtw89_sta_rcu_dereference_link(rtwsta_link, false); + if (!link_sta->supp_rates[chan->band_type]) { + rate = lowest_rate; + goto out; + } + + rate = __ffs(link_sta->supp_rates[chan->band_type]) + lowest_rate; + +out: + rcu_read_unlock(); + + return rate; +} + +static void +rtw89_core_tx_update_data_info(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req) +{ + struct rtw89_vif_link *rtwvif_link = tx_req->rtwvif_link; + struct rtw89_sta_link *rtwsta_link = tx_req->rtwsta_link; + struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info; + struct sk_buff *skb = tx_req->skb; + u8 tid, tid_indicate; + u8 qsel, ch_dma; + + tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK; + tid_indicate = rtw89_core_get_tid_indicate(rtwdev, tid); + qsel = desc_info->hiq ? RTW89_TX_QSEL_B0_HI : rtw89_core_get_qsel(rtwdev, tid); + ch_dma = rtw89_chip_get_ch_dma(rtwdev, qsel); + + desc_info->ch_dma = ch_dma; + desc_info->tid_indicate = tid_indicate; + desc_info->qsel = qsel; + desc_info->mac_id = rtw89_core_tx_get_mac_id(rtwdev, tx_req); + desc_info->port = desc_info->hiq ? rtwvif_link->port : 0; + desc_info->er_cap = rtwsta_link ? rtwsta_link->er_cap : false; + desc_info->stbc = rtwsta_link ? rtwsta_link->ra.stbc_cap : false; + desc_info->ldpc = rtwsta_link ? rtwsta_link->ra.ldpc_cap : false; + + /* enable wd_info for AMPDU */ + desc_info->en_wd_info = true; + + if (IEEE80211_SKB_CB(skb)->control.hw_key) + rtw89_core_tx_update_sec_key(rtwdev, tx_req); + + desc_info->data_retry_lowest_rate = rtw89_core_get_data_rate(rtwdev, tx_req); +} + +static enum btc_pkt_type +rtw89_core_tx_btc_spec_pkt_notify(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req) +{ + struct wiphy *wiphy = rtwdev->hw->wiphy; + struct sk_buff *skb = tx_req->skb; + struct udphdr *udphdr; + + if (IEEE80211_SKB_CB(skb)->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO) { + wiphy_work_queue(wiphy, &rtwdev->btc.eapol_notify_work); + return PACKET_EAPOL; + } + + if (skb->protocol == htons(ETH_P_ARP)) { + wiphy_work_queue(wiphy, &rtwdev->btc.arp_notify_work); + return PACKET_ARP; + } + + if (skb->protocol == htons(ETH_P_IP) && + ip_hdr(skb)->protocol == IPPROTO_UDP) { + udphdr = udp_hdr(skb); + if (((udphdr->source == htons(67) && udphdr->dest == htons(68)) || + (udphdr->source == htons(68) && udphdr->dest == htons(67))) && + skb->len > 282) { + wiphy_work_queue(wiphy, &rtwdev->btc.dhcp_notify_work); + return PACKET_DHCP; + } + } + + if (skb->protocol == htons(ETH_P_IP) && + ip_hdr(skb)->protocol == IPPROTO_ICMP) { + wiphy_work_queue(wiphy, &rtwdev->btc.icmp_notify_work); + return PACKET_ICMP; + } + + return PACKET_MAX; +} + +static void +rtw89_core_tx_wake(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req) +{ + const struct rtw89_chip_info *chip = rtwdev->chip; + + if (!RTW89_CHK_FW_FEATURE(TX_WAKE, &rtwdev->fw)) + return; + + switch (chip->chip_id) { + case RTL8852BT: + if (test_bit(RTW89_FLAG_LEISURE_PS, rtwdev->flags)) + goto notify; + break; + case RTL8852C: + if (test_bit(RTW89_FLAG_LOW_POWER_MODE, rtwdev->flags)) + goto notify; + break; + default: + if (test_bit(RTW89_FLAG_LOW_POWER_MODE, rtwdev->flags) && + tx_req->tx_type == RTW89_CORE_TX_TYPE_MGMT) + goto notify; + break; + } + + return; + +notify: + rtw89_mac_notify_wake(rtwdev); +} + +static void rtw89_core_tx_update_injection(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req, + struct ieee80211_tx_info *info) +{ + const struct rtw89_hw_rate_def *hw_rate = &rtw89_hw_rate[rtwdev->chip->chip_gen]; + enum mac80211_rate_control_flags flags = info->control.rates[0].flags; + struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info; + const struct rtw89_chan *chan; + u8 idx = info->control.rates[0].idx; + u8 nss, mcs; + + desc_info->use_rate = true; + desc_info->dis_data_fb = true; + + if (flags & IEEE80211_TX_RC_160_MHZ_WIDTH) + desc_info->data_bw = 3; + else if (flags & IEEE80211_TX_RC_80_MHZ_WIDTH) + desc_info->data_bw = 2; + else if (flags & IEEE80211_TX_RC_40_MHZ_WIDTH) + desc_info->data_bw = 1; + + if (flags & IEEE80211_TX_RC_SHORT_GI) + desc_info->gi_ltf = 1; + + if (flags & IEEE80211_TX_RC_VHT_MCS) { + nss = umin(idx >> 4, ARRAY_SIZE(hw_rate->vht) - 1); + mcs = idx & 0xf; + desc_info->data_rate = hw_rate->vht[nss] + mcs; + } else if (flags & IEEE80211_TX_RC_MCS) { + desc_info->data_rate = hw_rate->ht + idx; + } else { + chan = rtw89_chan_get(rtwdev, tx_req->rtwvif_link->chanctx_idx); + + desc_info->data_rate = idx + (chan->band_type == RTW89_BAND_2G ? + RTW89_HW_RATE_CCK1 : RTW89_HW_RATE_OFDM6); + } +} + +static void +rtw89_core_tx_update_desc_info(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req) +{ + struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info; + struct sk_buff *skb = tx_req->skb; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_hdr *hdr = (void *)skb->data; + struct rtw89_addr_cam_entry *addr_cam; + enum btc_pkt_type pkt_type; + bool upd_wlan_hdr = false; + bool is_bmc; + u16 seq; + + desc_info->pkt_size = skb->len; + + if (unlikely(tx_req->tx_type == RTW89_CORE_TX_TYPE_FWCMD)) { + rtw89_core_tx_update_h2c_info(rtwdev, tx_req); + return; + } + + tx_req->tx_type = rtw89_core_get_tx_type(rtwdev, skb); + + if (tx_req->sta) + desc_info->mlo = tx_req->sta->mlo; + else if (tx_req->vif) + desc_info->mlo = ieee80211_vif_is_mld(tx_req->vif); + + seq = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; + addr_cam = rtw89_get_addr_cam_of(tx_req->rtwvif_link, + tx_req->rtwsta_link); + if (addr_cam->valid && desc_info->mlo) + upd_wlan_hdr = true; + + if (rtw89_is_tx_rpt_skb(rtwdev, tx_req->skb)) + rtw89_tx_rpt_init(rtwdev, tx_req); + + is_bmc = (is_broadcast_ether_addr(hdr->addr1) || + is_multicast_ether_addr(hdr->addr1)); + + desc_info->seq = seq; + desc_info->is_bmc = is_bmc; + desc_info->wd_page = true; + desc_info->hiq = info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM; + desc_info->upd_wlan_hdr = upd_wlan_hdr; + + switch (tx_req->tx_type) { + case RTW89_CORE_TX_TYPE_MGMT: + rtw89_core_tx_update_mgmt_info(rtwdev, tx_req); + break; + case RTW89_CORE_TX_TYPE_DATA: + rtw89_core_tx_update_data_info(rtwdev, tx_req); + pkt_type = rtw89_core_tx_btc_spec_pkt_notify(rtwdev, tx_req); + rtw89_core_tx_update_he_qos_htc(rtwdev, tx_req, pkt_type); + rtw89_core_tx_update_ampdu_info(rtwdev, tx_req, pkt_type); + rtw89_core_tx_update_llc_hdr(rtwdev, desc_info, skb); + break; + default: + break; + } + + if (unlikely(info->flags & IEEE80211_TX_CTL_INJECTED)) + rtw89_core_tx_update_injection(rtwdev, tx_req, info); +} + +static void rtw89_tx_wait_work(struct wiphy *wiphy, struct wiphy_work *work) +{ + struct rtw89_dev *rtwdev = container_of(work, struct rtw89_dev, + tx_wait_work.work); + + rtw89_tx_wait_list_clear(rtwdev); +} + +void rtw89_core_tx_kick_off(struct rtw89_dev *rtwdev, u8 qsel) +{ + u8 ch_dma; + + ch_dma = rtw89_chip_get_ch_dma(rtwdev, qsel); + + rtw89_hci_tx_kick_off(rtwdev, ch_dma); +} + +int rtw89_core_tx_kick_off_and_wait(struct rtw89_dev *rtwdev, struct sk_buff *skb, + struct rtw89_tx_wait_info *wait, int qsel, + unsigned int timeout) +{ + unsigned long time_left; + int ret = 0; + + lockdep_assert_wiphy(rtwdev->hw->wiphy); + + rtw89_core_tx_kick_off(rtwdev, qsel); + time_left = wait_for_completion_timeout(&wait->completion, + msecs_to_jiffies(timeout)); + + if (time_left == 0) { + ret = -ETIMEDOUT; + list_add_tail(&wait->list, &rtwdev->tx_waits); + wiphy_delayed_work_queue(rtwdev->hw->wiphy, &rtwdev->tx_wait_work, + RTW89_TX_WAIT_WORK_TIMEOUT); + } else { + if (!wait->tx_done) + ret = -EAGAIN; + rtw89_tx_wait_release(wait); + } + + return ret; +} + +int rtw89_h2c_tx(struct rtw89_dev *rtwdev, + struct sk_buff *skb, bool fwdl) +{ + struct rtw89_core_tx_request tx_req = {0}; + u32 cnt; + int ret; + + if (!test_bit(RTW89_FLAG_POWERON, rtwdev->flags)) { + rtw89_debug(rtwdev, RTW89_DBG_FW, + "ignore h2c due to power is off with firmware state=%d\n", + test_bit(RTW89_FLAG_FW_RDY, rtwdev->flags)); + dev_kfree_skb(skb); + return 0; + } + + tx_req.skb = skb; + tx_req.tx_type = RTW89_CORE_TX_TYPE_FWCMD; + if (fwdl) + tx_req.desc_info.fw_dl = true; + + rtw89_core_tx_update_desc_info(rtwdev, &tx_req); + + if (!fwdl) + rtw89_hex_dump(rtwdev, RTW89_DBG_FW, "H2C: ", skb->data, skb->len); + + cnt = rtw89_hci_check_and_reclaim_tx_resource(rtwdev, RTW89_TXCH_CH12); + if (cnt == 0) { + rtw89_err(rtwdev, "no tx fwcmd resource\n"); + return -ENOSPC; + } + + ret = rtw89_hci_tx_write(rtwdev, &tx_req); + if (ret) { + rtw89_err(rtwdev, "failed to transmit skb to HCI\n"); + return ret; + } + rtw89_hci_tx_kick_off(rtwdev, RTW89_TXCH_CH12); + + return 0; +} + +static int rtw89_core_tx_write_link(struct rtw89_dev *rtwdev, + struct rtw89_vif_link *rtwvif_link, + struct rtw89_sta_link *rtwsta_link, + struct sk_buff *skb, int *qsel, bool sw_mld, + struct rtw89_tx_wait_info *wait) +{ + struct ieee80211_sta *sta = rtwsta_link_to_sta_safe(rtwsta_link); + struct ieee80211_vif *vif = rtwvif_link_to_vif(rtwvif_link); + struct rtw89_tx_skb_data *skb_data = RTW89_TX_SKB_CB(skb); + struct rtw89_vif *rtwvif = rtwvif_link->rtwvif; + struct rtw89_core_tx_request tx_req = {}; + int ret; + + tx_req.skb = skb; + tx_req.vif = vif; + tx_req.sta = sta; + tx_req.rtwvif_link = rtwvif_link; + tx_req.rtwsta_link = rtwsta_link; + tx_req.desc_info.sw_mld = sw_mld; + rcu_assign_pointer(skb_data->wait, wait); + + rtw89_traffic_stats_accu(rtwdev, rtwvif, skb, true, true); + rtw89_wow_parse_akm(rtwdev, skb); + rtw89_core_tx_update_desc_info(rtwdev, &tx_req); + rtw89_core_tx_wake(rtwdev, &tx_req); + + ret = rtw89_hci_tx_write(rtwdev, &tx_req); + if (ret) { + rtw89_err(rtwdev, "failed to transmit skb to HCI\n"); + return ret; + } + + if (qsel) + *qsel = tx_req.desc_info.qsel; + + return 0; +} + +int rtw89_core_tx_write(struct rtw89_dev *rtwdev, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, struct sk_buff *skb, int *qsel) +{ + struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta); + struct rtw89_vif *rtwvif = vif_to_rtwvif(vif); + struct rtw89_sta_link *rtwsta_link = NULL; + struct rtw89_vif_link *rtwvif_link; + + if (rtwsta) { + rtwsta_link = rtw89_get_designated_link(rtwsta); + if (unlikely(!rtwsta_link)) { + rtw89_err(rtwdev, "tx: find no sta designated link\n"); + return -ENOLINK; + } + + rtwvif_link = rtwsta_link->rtwvif_link; + } else { + rtwvif_link = rtw89_get_designated_link(rtwvif); + if (unlikely(!rtwvif_link)) { + rtw89_err(rtwdev, "tx: find no vif designated link\n"); + return -ENOLINK; + } + } + + return rtw89_core_tx_write_link(rtwdev, rtwvif_link, rtwsta_link, skb, qsel, false, + NULL); +} + +static __le32 rtw89_build_txwd_body0(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(RTW89_TXWD_BODY0_WP_OFFSET, desc_info->wp_offset) | + FIELD_PREP(RTW89_TXWD_BODY0_WD_INFO_EN, desc_info->en_wd_info) | + FIELD_PREP(RTW89_TXWD_BODY0_CHANNEL_DMA, desc_info->ch_dma) | + FIELD_PREP(RTW89_TXWD_BODY0_HDR_LLC_LEN, desc_info->hdr_llc_len) | + FIELD_PREP(RTW89_TXWD_BODY0_WD_PAGE, desc_info->wd_page) | + FIELD_PREP(RTW89_TXWD_BODY0_FW_DL, desc_info->fw_dl) | + FIELD_PREP(RTW89_TXWD_BODY0_HW_SSN_SEL, desc_info->hw_ssn_sel) | + FIELD_PREP(RTW89_TXWD_BODY0_HW_SSN_MODE, desc_info->hw_seq_mode); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_body0_v1(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(RTW89_TXWD_BODY0_WP_OFFSET_V1, desc_info->wp_offset) | + FIELD_PREP(RTW89_TXWD_BODY0_WD_INFO_EN, desc_info->en_wd_info) | + FIELD_PREP(RTW89_TXWD_BODY0_CHANNEL_DMA, desc_info->ch_dma) | + FIELD_PREP(RTW89_TXWD_BODY0_HDR_LLC_LEN, desc_info->hdr_llc_len) | + FIELD_PREP(RTW89_TXWD_BODY0_WD_PAGE, desc_info->wd_page) | + FIELD_PREP(RTW89_TXWD_BODY0_FW_DL, desc_info->fw_dl); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_body1_v1(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(RTW89_TXWD_BODY1_ADDR_INFO_NUM, desc_info->addr_info_nr) | + FIELD_PREP(RTW89_TXWD_BODY1_SEC_KEYID, desc_info->sec_keyid) | + FIELD_PREP(RTW89_TXWD_BODY1_SEC_TYPE, desc_info->sec_type); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_body2(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(RTW89_TXWD_BODY2_TID_INDICATE, desc_info->tid_indicate) | + FIELD_PREP(RTW89_TXWD_BODY2_QSEL, desc_info->qsel) | + FIELD_PREP(RTW89_TXWD_BODY2_TXPKT_SIZE, desc_info->pkt_size) | + FIELD_PREP(RTW89_TXWD_BODY2_MACID, desc_info->mac_id); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_body3(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(RTW89_TXWD_BODY3_SW_SEQ, desc_info->seq) | + FIELD_PREP(RTW89_TXWD_BODY3_AGG_EN, desc_info->agg_en) | + FIELD_PREP(RTW89_TXWD_BODY3_BK, desc_info->bk); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_body4(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(RTW89_TXWD_BODY4_SEC_IV_L0, desc_info->sec_seq[0]) | + FIELD_PREP(RTW89_TXWD_BODY4_SEC_IV_L1, desc_info->sec_seq[1]); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_body5(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(RTW89_TXWD_BODY5_SEC_IV_H2, desc_info->sec_seq[2]) | + FIELD_PREP(RTW89_TXWD_BODY5_SEC_IV_H3, desc_info->sec_seq[3]) | + FIELD_PREP(RTW89_TXWD_BODY5_SEC_IV_H4, desc_info->sec_seq[4]) | + FIELD_PREP(RTW89_TXWD_BODY5_SEC_IV_H5, desc_info->sec_seq[5]); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_body7_v1(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(RTW89_TXWD_BODY7_USE_RATE_V1, desc_info->use_rate) | + FIELD_PREP(RTW89_TXWD_BODY7_DATA_BW, desc_info->data_bw) | + FIELD_PREP(RTW89_TXWD_BODY7_GI_LTF, desc_info->gi_ltf) | + FIELD_PREP(RTW89_TXWD_BODY7_DATA_RATE, desc_info->data_rate); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_info0(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(RTW89_TXWD_INFO0_USE_RATE, desc_info->use_rate) | + FIELD_PREP(RTW89_TXWD_INFO0_DATA_BW, desc_info->data_bw) | + FIELD_PREP(RTW89_TXWD_INFO0_GI_LTF, desc_info->gi_ltf) | + FIELD_PREP(RTW89_TXWD_INFO0_DATA_RATE, desc_info->data_rate) | + FIELD_PREP(RTW89_TXWD_INFO0_DATA_STBC, desc_info->stbc) | + FIELD_PREP(RTW89_TXWD_INFO0_DATA_LDPC, desc_info->ldpc) | + FIELD_PREP(RTW89_TXWD_INFO0_DISDATAFB, desc_info->dis_data_fb) | + FIELD_PREP(RTW89_TXWD_INFO0_MULTIPORT_ID, desc_info->port); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_info0_v1(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(RTW89_TXWD_INFO0_DATA_STBC, desc_info->stbc) | + FIELD_PREP(RTW89_TXWD_INFO0_DATA_LDPC, desc_info->ldpc) | + FIELD_PREP(RTW89_TXWD_INFO0_DISDATAFB, desc_info->dis_data_fb) | + FIELD_PREP(RTW89_TXWD_INFO0_MULTIPORT_ID, desc_info->port) | + FIELD_PREP(RTW89_TXWD_INFO0_DATA_ER, desc_info->er_cap) | + FIELD_PREP(RTW89_TXWD_INFO0_DATA_BW_ER, 0); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_info1(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(RTW89_TXWD_INFO1_MAX_AGGNUM, desc_info->ampdu_num) | + FIELD_PREP(RTW89_TXWD_INFO1_A_CTRL_BSR, desc_info->a_ctrl_bsr) | + FIELD_PREP(RTW89_TXWD_INFO1_DATA_RTY_LOWEST_RATE, + desc_info->data_retry_lowest_rate) | + FIELD_PREP(RTW89_TXWD_INFO1_DATA_TXCNT_LMT_SEL, + desc_info->tx_cnt_lmt_en) | + FIELD_PREP(RTW89_TXWD_INFO1_DATA_TXCNT_LMT, desc_info->tx_cnt_lmt); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_info2(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(RTW89_TXWD_INFO2_AMPDU_DENSITY, desc_info->ampdu_density) | + FIELD_PREP(RTW89_TXWD_INFO2_SEC_TYPE, desc_info->sec_type) | + FIELD_PREP(RTW89_TXWD_INFO2_SEC_HW_ENC, desc_info->sec_en) | + FIELD_PREP(RTW89_TXWD_INFO2_SEC_CAM_IDX, desc_info->sec_cam_idx); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_info2_v1(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(RTW89_TXWD_INFO2_AMPDU_DENSITY, desc_info->ampdu_density) | + FIELD_PREP(RTW89_TXWD_INFO2_FORCE_KEY_EN, desc_info->sec_en) | + FIELD_PREP(RTW89_TXWD_INFO2_SEC_CAM_IDX, desc_info->sec_cam_idx); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_info3(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(RTW89_TXWD_INFO3_SPE_RPT, desc_info->report); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_info4(struct rtw89_tx_desc_info *desc_info) +{ + bool rts_en = !desc_info->is_bmc; + u32 dword = FIELD_PREP(RTW89_TXWD_INFO4_RTS_EN, rts_en) | + FIELD_PREP(RTW89_TXWD_INFO4_HW_RTS_EN, 1) | + FIELD_PREP(RTW89_TXWD_INFO4_SW_DEFINE, desc_info->sn); + + return cpu_to_le32(dword); +} + +void rtw89_core_fill_txdesc(struct rtw89_dev *rtwdev, + struct rtw89_tx_desc_info *desc_info, + void *txdesc) +{ + struct rtw89_txwd_body *txwd_body = (struct rtw89_txwd_body *)txdesc; + struct rtw89_txwd_info *txwd_info; + + txwd_body->dword0 = rtw89_build_txwd_body0(desc_info); + txwd_body->dword2 = rtw89_build_txwd_body2(desc_info); + txwd_body->dword3 = rtw89_build_txwd_body3(desc_info); + + if (!desc_info->en_wd_info) + return; + + txwd_info = (struct rtw89_txwd_info *)(txwd_body + 1); + txwd_info->dword0 = rtw89_build_txwd_info0(desc_info); + txwd_info->dword1 = rtw89_build_txwd_info1(desc_info); + txwd_info->dword2 = rtw89_build_txwd_info2(desc_info); + txwd_info->dword3 = rtw89_build_txwd_info3(desc_info); + txwd_info->dword4 = rtw89_build_txwd_info4(desc_info); + +} +EXPORT_SYMBOL(rtw89_core_fill_txdesc); + +void rtw89_core_fill_txdesc_v1(struct rtw89_dev *rtwdev, + struct rtw89_tx_desc_info *desc_info, + void *txdesc) +{ + struct rtw89_txwd_body_v1 *txwd_body = (struct rtw89_txwd_body_v1 *)txdesc; + struct rtw89_txwd_info *txwd_info; + + txwd_body->dword0 = rtw89_build_txwd_body0_v1(desc_info); + txwd_body->dword1 = rtw89_build_txwd_body1_v1(desc_info); + txwd_body->dword2 = rtw89_build_txwd_body2(desc_info); + txwd_body->dword3 = rtw89_build_txwd_body3(desc_info); + if (desc_info->sec_en) { + txwd_body->dword4 = rtw89_build_txwd_body4(desc_info); + txwd_body->dword5 = rtw89_build_txwd_body5(desc_info); + } + txwd_body->dword7 = rtw89_build_txwd_body7_v1(desc_info); + + if (!desc_info->en_wd_info) + return; + + txwd_info = (struct rtw89_txwd_info *)(txwd_body + 1); + txwd_info->dword0 = rtw89_build_txwd_info0_v1(desc_info); + txwd_info->dword1 = rtw89_build_txwd_info1(desc_info); + txwd_info->dword2 = rtw89_build_txwd_info2_v1(desc_info); + txwd_info->dword3 = rtw89_build_txwd_info3(desc_info); + txwd_info->dword4 = rtw89_build_txwd_info4(desc_info); +} +EXPORT_SYMBOL(rtw89_core_fill_txdesc_v1); + +static __le32 rtw89_build_txwd_body0_v2(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(BE_TXD_BODY0_WP_OFFSET_V1, desc_info->wp_offset) | + FIELD_PREP(BE_TXD_BODY0_WDINFO_EN, desc_info->en_wd_info) | + FIELD_PREP(BE_TXD_BODY0_CH_DMA, desc_info->ch_dma) | + FIELD_PREP(BE_TXD_BODY0_HDR_LLC_LEN, desc_info->hdr_llc_len) | + FIELD_PREP(BE_TXD_BODY0_WD_PAGE, desc_info->wd_page); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_body1_v2(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(BE_TXD_BODY1_ADDR_INFO_NUM, desc_info->addr_info_nr) | + FIELD_PREP(BE_TXD_BODY1_SEC_KEYID, desc_info->sec_keyid) | + FIELD_PREP(BE_TXD_BODY1_SEC_TYPE, desc_info->sec_type); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_body2_v2(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(BE_TXD_BODY2_TID_IND, desc_info->tid_indicate) | + FIELD_PREP(BE_TXD_BODY2_QSEL, desc_info->qsel) | + FIELD_PREP(BE_TXD_BODY2_TXPKTSIZE, desc_info->pkt_size) | + FIELD_PREP(BE_TXD_BODY2_AGG_EN, desc_info->agg_en) | + FIELD_PREP(BE_TXD_BODY2_BK, desc_info->bk) | + FIELD_PREP(BE_TXD_BODY2_MACID, desc_info->mac_id); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_body3_v2(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(BE_TXD_BODY3_WIFI_SEQ, desc_info->seq) | + FIELD_PREP(BE_TXD_BODY3_MLO_FLAG, desc_info->mlo) | + FIELD_PREP(BE_TXD_BODY3_IS_MLD_SW_EN, desc_info->sw_mld); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_body4_v2(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(BE_TXD_BODY4_SEC_IV_L0, desc_info->sec_seq[0]) | + FIELD_PREP(BE_TXD_BODY4_SEC_IV_L1, desc_info->sec_seq[1]); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_body5_v2(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(BE_TXD_BODY5_SEC_IV_H2, desc_info->sec_seq[2]) | + FIELD_PREP(BE_TXD_BODY5_SEC_IV_H3, desc_info->sec_seq[3]) | + FIELD_PREP(BE_TXD_BODY5_SEC_IV_H4, desc_info->sec_seq[4]) | + FIELD_PREP(BE_TXD_BODY5_SEC_IV_H5, desc_info->sec_seq[5]); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_body6_v2(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(BE_TXD_BODY6_UPD_WLAN_HDR, desc_info->upd_wlan_hdr); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_body7_v2(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(BE_TXD_BODY7_USERATE_SEL, desc_info->use_rate) | + FIELD_PREP(BE_TXD_BODY7_DATA_BW, desc_info->data_bw) | + FIELD_PREP(BE_TXD_BODY7_GI_LTF, desc_info->gi_ltf) | + FIELD_PREP(BE_TXD_BODY7_DATA_ER, desc_info->er_cap) | + FIELD_PREP(BE_TXD_BODY7_DATA_BW_ER, 0) | + FIELD_PREP(BE_TXD_BODY7_DATARATE, desc_info->data_rate); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_info0_v2(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(BE_TXD_INFO0_DATA_STBC, desc_info->stbc) | + FIELD_PREP(BE_TXD_INFO0_DATA_LDPC, desc_info->ldpc) | + FIELD_PREP(BE_TXD_INFO0_DISDATAFB, desc_info->dis_data_fb) | + FIELD_PREP(BE_TXD_INFO0_MULTIPORT_ID, desc_info->port) | + FIELD_PREP(BE_TXD_INFO0_DATA_TXCNT_LMT_SEL, + desc_info->tx_cnt_lmt_en) | + FIELD_PREP(BE_TXD_INFO0_DATA_TXCNT_LMT, desc_info->tx_cnt_lmt); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_info1_v2(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(BE_TXD_INFO1_MAX_AGG_NUM, desc_info->ampdu_num) | + FIELD_PREP(BE_TXD_INFO1_A_CTRL_BSR, desc_info->a_ctrl_bsr) | + FIELD_PREP(BE_TXD_INFO1_DATA_RTY_LOWEST_RATE, + desc_info->data_retry_lowest_rate) | + FIELD_PREP(BE_TXD_INFO1_SW_DEFINE, desc_info->sn); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_info2_v2(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(BE_TXD_INFO2_AMPDU_DENSITY, desc_info->ampdu_density) | + FIELD_PREP(BE_TXD_INFO2_FORCE_KEY_EN, desc_info->sec_en) | + FIELD_PREP(BE_TXD_INFO2_SEC_CAM_IDX, desc_info->sec_cam_idx) | + FIELD_PREP(BE_TXD_INFO2_SPE_RPT_V1, desc_info->report); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_info4_v2(struct rtw89_tx_desc_info *desc_info) +{ + bool rts_en = !desc_info->is_bmc; + u32 dword = FIELD_PREP(BE_TXD_INFO4_RTS_EN, rts_en) | + FIELD_PREP(BE_TXD_INFO4_HW_RTS_EN, 1); + + return cpu_to_le32(dword); +} + +void rtw89_core_fill_txdesc_v2(struct rtw89_dev *rtwdev, + struct rtw89_tx_desc_info *desc_info, + void *txdesc) +{ + struct rtw89_txwd_body_v2 *txwd_body = txdesc; + struct rtw89_txwd_info_v2 *txwd_info; + + txwd_body->dword0 = rtw89_build_txwd_body0_v2(desc_info); + txwd_body->dword1 = rtw89_build_txwd_body1_v2(desc_info); + txwd_body->dword2 = rtw89_build_txwd_body2_v2(desc_info); + txwd_body->dword3 = rtw89_build_txwd_body3_v2(desc_info); + if (desc_info->sec_en) { + txwd_body->dword4 = rtw89_build_txwd_body4_v2(desc_info); + txwd_body->dword5 = rtw89_build_txwd_body5_v2(desc_info); + } + txwd_body->dword6 = rtw89_build_txwd_body6_v2(desc_info); + txwd_body->dword7 = rtw89_build_txwd_body7_v2(desc_info); + + if (!desc_info->en_wd_info) + return; + + txwd_info = (struct rtw89_txwd_info_v2 *)(txwd_body + 1); + txwd_info->dword0 = rtw89_build_txwd_info0_v2(desc_info); + txwd_info->dword1 = rtw89_build_txwd_info1_v2(desc_info); + txwd_info->dword2 = rtw89_build_txwd_info2_v2(desc_info); + txwd_info->dword4 = rtw89_build_txwd_info4_v2(desc_info); +} +EXPORT_SYMBOL(rtw89_core_fill_txdesc_v2); + +static __le32 rtw89_build_txwd_fwcmd0_v1(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(AX_RXD_RPKT_LEN_MASK, desc_info->pkt_size) | + FIELD_PREP(AX_RXD_RPKT_TYPE_MASK, desc_info->fw_dl ? + RTW89_CORE_RX_TYPE_FWDL : + RTW89_CORE_RX_TYPE_H2C); + + return cpu_to_le32(dword); +} + +void rtw89_core_fill_txdesc_fwcmd_v1(struct rtw89_dev *rtwdev, + struct rtw89_tx_desc_info *desc_info, + void *txdesc) +{ + struct rtw89_rxdesc_short *txwd_v1 = (struct rtw89_rxdesc_short *)txdesc; + + txwd_v1->dword0 = rtw89_build_txwd_fwcmd0_v1(desc_info); +} +EXPORT_SYMBOL(rtw89_core_fill_txdesc_fwcmd_v1); + +static __le32 rtw89_build_txwd_fwcmd0_v2(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(BE_RXD_RPKT_LEN_MASK, desc_info->pkt_size) | + FIELD_PREP(BE_RXD_RPKT_TYPE_MASK, desc_info->fw_dl ? + RTW89_CORE_RX_TYPE_FWDL : + RTW89_CORE_RX_TYPE_H2C); + + return cpu_to_le32(dword); +} + +void rtw89_core_fill_txdesc_fwcmd_v2(struct rtw89_dev *rtwdev, + struct rtw89_tx_desc_info *desc_info, + void *txdesc) +{ + struct rtw89_rxdesc_short_v2 *txwd_v2 = (struct rtw89_rxdesc_short_v2 *)txdesc; + + txwd_v2->dword0 = rtw89_build_txwd_fwcmd0_v2(desc_info); +} +EXPORT_SYMBOL(rtw89_core_fill_txdesc_fwcmd_v2); + +static int rtw89_core_rx_process_mac_ppdu(struct rtw89_dev *rtwdev, + struct sk_buff *skb, + struct rtw89_rx_phy_ppdu *phy_ppdu) +{ + const struct rtw89_chip_info *chip = rtwdev->chip; + const struct rtw89_rxinfo *rxinfo = (const struct rtw89_rxinfo *)skb->data; + const struct rtw89_rxinfo_user *user; + enum rtw89_chip_gen chip_gen = rtwdev->chip->chip_gen; + int rx_cnt_size = RTW89_PPDU_MAC_RX_CNT_SIZE; + bool rx_cnt_valid = false; + bool invalid = false; + u8 plcp_size = 0; + u8 *phy_sts; + u8 usr_num; + int i; + + if (chip_gen == RTW89_CHIP_BE) { + invalid = le32_get_bits(rxinfo->w0, RTW89_RXINFO_W0_INVALID_V1); + rx_cnt_size = RTW89_PPDU_MAC_RX_CNT_SIZE_V1; + } + + if (invalid) + return -EINVAL; + + rx_cnt_valid = le32_get_bits(rxinfo->w0, RTW89_RXINFO_W0_RX_CNT_VLD); + if (chip_gen == RTW89_CHIP_BE) { + plcp_size = le32_get_bits(rxinfo->w0, RTW89_RXINFO_W0_PLCP_LEN_V1) << 3; + usr_num = le32_get_bits(rxinfo->w0, RTW89_RXINFO_W0_USR_NUM_V1); + } else { + plcp_size = le32_get_bits(rxinfo->w1, RTW89_RXINFO_W1_PLCP_LEN) << 3; + usr_num = le32_get_bits(rxinfo->w0, RTW89_RXINFO_W0_USR_NUM); + } + if (usr_num > chip->ppdu_max_usr) { + rtw89_warn(rtwdev, "Invalid user number (%d) in mac info\n", + usr_num); + return -EINVAL; + } + + for (i = 0; i < usr_num; i++) { + user = &rxinfo->user[i]; + if (!le32_get_bits(user->w0, RTW89_RXINFO_USER_MAC_ID_VALID)) + continue; + /* For WiFi 7 chips, RXWD.mac_id of PPDU status is not set + * by hardware, so update mac_id by rxinfo_user[].mac_id. + */ + if (chip->chip_id == RTL8922A) + phy_ppdu->mac_id = + le32_get_bits(user->w0, RTW89_RXINFO_USER_MACID); + else if (chip->chip_id == RTL8922D) + phy_ppdu->mac_id = + le32_get_bits(user->w0, RTW89_RXINFO_USER_MACID_V1); + + phy_ppdu->has_data = + le32_get_bits(user->w0, RTW89_RXINFO_USER_DATA); + phy_ppdu->has_bcn = + le32_get_bits(user->w0, RTW89_RXINFO_USER_BCN); + break; + } + + phy_sts = skb->data + RTW89_PPDU_MAC_INFO_SIZE; + phy_sts += usr_num * RTW89_PPDU_MAC_INFO_USR_SIZE; + /* 8-byte alignment */ + if (usr_num & BIT(0)) + phy_sts += RTW89_PPDU_MAC_INFO_USR_SIZE; + if (rx_cnt_valid) + phy_sts += rx_cnt_size; + phy_sts += plcp_size; + + if (phy_sts > skb->data + skb->len) + return -EINVAL; + + phy_ppdu->buf = phy_sts; + phy_ppdu->len = skb->data + skb->len - phy_sts; + + return 0; +} + +static u8 rtw89_get_data_rate_nss(struct rtw89_dev *rtwdev, u16 data_rate) +{ + u8 data_rate_mode; + + data_rate_mode = rtw89_get_data_rate_mode(rtwdev, data_rate); + switch (data_rate_mode) { + case DATA_RATE_MODE_NON_HT: + return 1; + case DATA_RATE_MODE_HT: + return rtw89_get_data_ht_nss(rtwdev, data_rate) + 1; + case DATA_RATE_MODE_VHT: + case DATA_RATE_MODE_HE: + case DATA_RATE_MODE_EHT: + return rtw89_get_data_nss(rtwdev, data_rate) + 1; + default: + rtw89_warn(rtwdev, "invalid RX rate mode %d\n", data_rate_mode); + return 0; + } +} + +static void rtw89_core_rx_process_phy_ppdu_iter(void *data, + struct ieee80211_sta *sta) +{ + struct rtw89_rx_phy_ppdu *phy_ppdu = (struct rtw89_rx_phy_ppdu *)data; + struct rtw89_sta *rtwsta = sta_to_rtwsta(sta); + struct rtw89_dev *rtwdev = rtwsta->rtwdev; + struct rtw89_hal *hal = &rtwdev->hal; + struct rtw89_sta_link *rtwsta_link; + u8 ant_num = hal->ant_diversity ? 2 : rtwdev->chip->rf_path_num; + u8 ant_pos = U8_MAX; + u8 evm_pos = 0; + int i; + + rtwsta_link = rtw89_sta_get_link_inst(rtwsta, phy_ppdu->phy_idx); + if (unlikely(!rtwsta_link)) + return; + + if (rtwsta_link->mac_id != phy_ppdu->mac_id || !phy_ppdu->to_self) + return; + + if (hal->ant_diversity && hal->antenna_rx) { + ant_pos = __ffs(hal->antenna_rx); + evm_pos = ant_pos; + } + + ewma_rssi_add(&rtwsta_link->avg_rssi, phy_ppdu->rssi_avg); + + if (ant_pos < ant_num) { + ewma_rssi_add(&rtwsta_link->rssi[ant_pos], phy_ppdu->rssi[0]); + } else { + for (i = 0; i < rtwdev->chip->rf_path_num; i++) + ewma_rssi_add(&rtwsta_link->rssi[i], phy_ppdu->rssi[i]); + } + + if (phy_ppdu->ofdm.has && (phy_ppdu->has_data || phy_ppdu->has_bcn)) { + ewma_snr_add(&rtwsta_link->avg_snr, phy_ppdu->ofdm.avg_snr); + if (rtw89_get_data_rate_nss(rtwdev, phy_ppdu->rate) == 1) { + ewma_evm_add(&rtwsta_link->evm_1ss, phy_ppdu->ofdm.evm_min); + } else { + ewma_evm_add(&rtwsta_link->evm_min[evm_pos], + phy_ppdu->ofdm.evm_min); + ewma_evm_add(&rtwsta_link->evm_max[evm_pos], + phy_ppdu->ofdm.evm_max); + } + } +} + +#define VAR_LEN 0xff +#define VAR_LEN_UNIT 8 +static u16 rtw89_core_get_phy_status_ie_len(struct rtw89_dev *rtwdev, + const struct rtw89_phy_sts_iehdr *iehdr) +{ + static const u8 physts_ie_len_tabs[RTW89_CHIP_GEN_NUM][32] = { + [RTW89_CHIP_AX] = { + 16, 32, 24, 24, 8, 8, 8, 8, VAR_LEN, 8, VAR_LEN, 176, VAR_LEN, + VAR_LEN, VAR_LEN, VAR_LEN, VAR_LEN, VAR_LEN, 16, 24, VAR_LEN, + VAR_LEN, VAR_LEN, 0, 24, 24, 24, 24, 32, 32, 32, 32 + }, + [RTW89_CHIP_BE] = { + 32, 40, 24, 24, 8, 8, 8, 8, VAR_LEN, 8, VAR_LEN, 176, VAR_LEN, + VAR_LEN, VAR_LEN, VAR_LEN, VAR_LEN, VAR_LEN, 88, 56, VAR_LEN, + VAR_LEN, VAR_LEN, 0, 24, 24, 24, 24, 32, 32, 32, 32 + }, + }; + const u8 *physts_ie_len_tab; + u16 ie_len; + u8 ie; + + physts_ie_len_tab = physts_ie_len_tabs[rtwdev->chip->chip_gen]; + + ie = le32_get_bits(iehdr->w0, RTW89_PHY_STS_IEHDR_TYPE); + if (physts_ie_len_tab[ie] != VAR_LEN) + ie_len = physts_ie_len_tab[ie]; + else + ie_len = le32_get_bits(iehdr->w0, RTW89_PHY_STS_IEHDR_LEN) * VAR_LEN_UNIT; + + return ie_len; +} + +static void rtw89_core_parse_phy_status_ie01_v2(struct rtw89_dev *rtwdev, + const struct rtw89_phy_sts_iehdr *iehdr, + struct rtw89_rx_phy_ppdu *phy_ppdu) +{ + const struct rtw89_phy_sts_ie01_v2 *ie; + u8 *rpl_fd = phy_ppdu->rpl_fd; + + ie = (const struct rtw89_phy_sts_ie01_v2 *)iehdr; + rpl_fd[RF_PATH_A] = le32_get_bits(ie->w8, RTW89_PHY_STS_IE01_V2_W8_RPL_FD_A); + rpl_fd[RF_PATH_B] = le32_get_bits(ie->w8, RTW89_PHY_STS_IE01_V2_W8_RPL_FD_B); + rpl_fd[RF_PATH_C] = le32_get_bits(ie->w9, RTW89_PHY_STS_IE01_V2_W9_RPL_FD_C); + rpl_fd[RF_PATH_D] = le32_get_bits(ie->w9, RTW89_PHY_STS_IE01_V2_W9_RPL_FD_D); + + phy_ppdu->bw_idx = le32_get_bits(ie->w5, RTW89_PHY_STS_IE01_V2_W5_BW_IDX); +} + +static void rtw89_core_parse_phy_status_ie01(struct rtw89_dev *rtwdev, + const struct rtw89_phy_sts_iehdr *iehdr, + struct rtw89_rx_phy_ppdu *phy_ppdu) +{ + const struct rtw89_phy_sts_ie01 *ie = (const struct rtw89_phy_sts_ie01 *)iehdr; + s16 cfo; + u32 t; + + phy_ppdu->chan_idx = le32_get_bits(ie->w0, RTW89_PHY_STS_IE01_W0_CH_IDX); + + if (rtwdev->hw->conf.flags & IEEE80211_CONF_MONITOR) { + phy_ppdu->ldpc = le32_get_bits(ie->w2, RTW89_PHY_STS_IE01_W2_LDPC); + phy_ppdu->stbc = le32_get_bits(ie->w2, RTW89_PHY_STS_IE01_W2_STBC); + } + + if (!phy_ppdu->hdr_2_en) + phy_ppdu->rx_path_en = + le32_get_bits(ie->w0, RTW89_PHY_STS_IE01_W0_RX_PATH_EN); + + if (phy_ppdu->rate < RTW89_HW_RATE_OFDM6) + return; + + if (!phy_ppdu->to_self) + return; + + phy_ppdu->rpl_avg = le32_get_bits(ie->w0, RTW89_PHY_STS_IE01_W0_RSSI_AVG_FD); + phy_ppdu->ofdm.avg_snr = le32_get_bits(ie->w2, RTW89_PHY_STS_IE01_W2_AVG_SNR); + phy_ppdu->ofdm.evm_max = le32_get_bits(ie->w2, RTW89_PHY_STS_IE01_W2_EVM_MAX); + phy_ppdu->ofdm.evm_min = le32_get_bits(ie->w2, RTW89_PHY_STS_IE01_W2_EVM_MIN); + phy_ppdu->ofdm.has = true; + + /* sign conversion for S(12,2) */ + if (rtwdev->chip->cfo_src_fd) { + t = le32_get_bits(ie->w1, RTW89_PHY_STS_IE01_W1_FD_CFO); + cfo = sign_extend32(t, 11); + } else { + t = le32_get_bits(ie->w1, RTW89_PHY_STS_IE01_W1_PREMB_CFO); + cfo = sign_extend32(t, 11); + } + + rtw89_phy_cfo_parse(rtwdev, cfo, phy_ppdu); + + if (rtwdev->chip->chip_gen == RTW89_CHIP_BE) + rtw89_core_parse_phy_status_ie01_v2(rtwdev, iehdr, phy_ppdu); +} + +static void rtw89_core_parse_phy_status_ie00(struct rtw89_dev *rtwdev, + const struct rtw89_phy_sts_iehdr *iehdr, + struct rtw89_rx_phy_ppdu *phy_ppdu) +{ + const struct rtw89_phy_sts_ie00 *ie = (const struct rtw89_phy_sts_ie00 *)iehdr; + u16 tmp_rpl; + + tmp_rpl = le32_get_bits(ie->w0, RTW89_PHY_STS_IE00_W0_RPL); + phy_ppdu->rpl_avg = tmp_rpl >> 1; + + if (!phy_ppdu->hdr_2_en) + phy_ppdu->rx_path_en = + le32_get_bits(ie->w3, RTW89_PHY_STS_IE00_W3_RX_PATH_EN); +} + +static void rtw89_core_parse_phy_status_ie00_v2(struct rtw89_dev *rtwdev, + const struct rtw89_phy_sts_iehdr *iehdr, + struct rtw89_rx_phy_ppdu *phy_ppdu) +{ + const struct rtw89_phy_sts_ie00_v2 *ie; + u8 *rpl_path = phy_ppdu->rpl_path; + u16 tmp_rpl[RF_PATH_MAX]; + u8 i; + + ie = (const struct rtw89_phy_sts_ie00_v2 *)iehdr; + tmp_rpl[RF_PATH_A] = le32_get_bits(ie->w4, RTW89_PHY_STS_IE00_V2_W4_RPL_TD_A); + tmp_rpl[RF_PATH_B] = le32_get_bits(ie->w4, RTW89_PHY_STS_IE00_V2_W4_RPL_TD_B); + tmp_rpl[RF_PATH_C] = le32_get_bits(ie->w4, RTW89_PHY_STS_IE00_V2_W4_RPL_TD_C); + tmp_rpl[RF_PATH_D] = le32_get_bits(ie->w5, RTW89_PHY_STS_IE00_V2_W5_RPL_TD_D); + + for (i = 0; i < RF_PATH_MAX; i++) + rpl_path[i] = tmp_rpl[i] >> 1; +} + +static int rtw89_core_process_phy_status_ie(struct rtw89_dev *rtwdev, + const struct rtw89_phy_sts_iehdr *iehdr, + struct rtw89_rx_phy_ppdu *phy_ppdu) +{ + u8 ie; + + ie = le32_get_bits(iehdr->w0, RTW89_PHY_STS_IEHDR_TYPE); + + switch (ie) { + case RTW89_PHYSTS_IE00_CMN_CCK: + rtw89_core_parse_phy_status_ie00(rtwdev, iehdr, phy_ppdu); + if (rtwdev->chip->chip_gen == RTW89_CHIP_BE) + rtw89_core_parse_phy_status_ie00_v2(rtwdev, iehdr, phy_ppdu); + break; + case RTW89_PHYSTS_IE01_CMN_OFDM: + rtw89_core_parse_phy_status_ie01(rtwdev, iehdr, phy_ppdu); + break; + default: + break; + } + + return 0; +} + +static void rtw89_core_update_phy_ppdu_hdr_v2(struct rtw89_rx_phy_ppdu *phy_ppdu) +{ + const struct rtw89_phy_sts_hdr_v2 *hdr = phy_ppdu->buf + PHY_STS_HDR_LEN; + + phy_ppdu->rx_path_en = le32_get_bits(hdr->w0, RTW89_PHY_STS_HDR_V2_W0_PATH_EN); +} + +static void rtw89_core_update_phy_ppdu(struct rtw89_rx_phy_ppdu *phy_ppdu) +{ + const struct rtw89_phy_sts_hdr *hdr = phy_ppdu->buf; + u8 *rssi = phy_ppdu->rssi; + + phy_ppdu->ie = le32_get_bits(hdr->w0, RTW89_PHY_STS_HDR_W0_IE_MAP); + phy_ppdu->rssi_avg = le32_get_bits(hdr->w0, RTW89_PHY_STS_HDR_W0_RSSI_AVG); + rssi[RF_PATH_A] = le32_get_bits(hdr->w1, RTW89_PHY_STS_HDR_W1_RSSI_A); + rssi[RF_PATH_B] = le32_get_bits(hdr->w1, RTW89_PHY_STS_HDR_W1_RSSI_B); + rssi[RF_PATH_C] = le32_get_bits(hdr->w1, RTW89_PHY_STS_HDR_W1_RSSI_C); + rssi[RF_PATH_D] = le32_get_bits(hdr->w1, RTW89_PHY_STS_HDR_W1_RSSI_D); + + phy_ppdu->hdr_2_en = le32_get_bits(hdr->w0, RTW89_PHY_STS_HDR_W0_HDR_2_EN); + if (phy_ppdu->hdr_2_en) + rtw89_core_update_phy_ppdu_hdr_v2(phy_ppdu); +} + +static int rtw89_core_rx_process_phy_ppdu(struct rtw89_dev *rtwdev, + struct rtw89_rx_phy_ppdu *phy_ppdu) +{ + const struct rtw89_phy_sts_hdr *hdr = phy_ppdu->buf; + u32 len_from_header; + bool physts_valid; + + physts_valid = le32_get_bits(hdr->w0, RTW89_PHY_STS_HDR_W0_VALID); + if (!physts_valid) + return -EINVAL; + + len_from_header = le32_get_bits(hdr->w0, RTW89_PHY_STS_HDR_W0_LEN) << 3; + + if (rtwdev->chip->chip_gen == RTW89_CHIP_BE) + len_from_header += PHY_STS_HDR_LEN; + + if (len_from_header != phy_ppdu->len) { + rtw89_debug(rtwdev, RTW89_DBG_UNEXP, "phy ppdu len mismatch\n"); + return -EINVAL; + } + rtw89_core_update_phy_ppdu(phy_ppdu); + + return 0; +} + +static int rtw89_core_rx_parse_phy_sts(struct rtw89_dev *rtwdev, + struct rtw89_rx_phy_ppdu *phy_ppdu) +{ + u16 ie_len; + void *pos, *end; + + /* mark invalid reports and bypass them */ + if (phy_ppdu->ie < RTW89_CCK_PKT) + return -EINVAL; + + pos = phy_ppdu->buf + PHY_STS_HDR_LEN; + if (phy_ppdu->hdr_2_en) + pos += PHY_STS_HDR_LEN; + end = phy_ppdu->buf + phy_ppdu->len; + while (pos < end) { + const struct rtw89_phy_sts_iehdr *iehdr = pos; + + ie_len = rtw89_core_get_phy_status_ie_len(rtwdev, iehdr); + rtw89_core_process_phy_status_ie(rtwdev, iehdr, phy_ppdu); + pos += ie_len; + if (pos > end || ie_len == 0) { + rtw89_debug(rtwdev, RTW89_DBG_TXRX, + "phy status parse failed\n"); + return -EINVAL; + } + } + + rtw89_chip_convert_rpl_to_rssi(rtwdev, phy_ppdu); + rtw89_phy_antdiv_parse(rtwdev, phy_ppdu); + + return 0; +} + +static void rtw89_core_rx_process_phy_sts(struct rtw89_dev *rtwdev, + struct rtw89_rx_phy_ppdu *phy_ppdu) +{ + int ret; + + ret = rtw89_core_rx_parse_phy_sts(rtwdev, phy_ppdu); + if (ret) + rtw89_debug(rtwdev, RTW89_DBG_TXRX, "parse phy sts failed\n"); + else + phy_ppdu->valid = true; + + ieee80211_iterate_stations_atomic(rtwdev->hw, + rtw89_core_rx_process_phy_ppdu_iter, + phy_ppdu); +} + +static u8 rtw89_rxdesc_to_nl_he_gi(struct rtw89_dev *rtwdev, + u8 desc_info_gi, + bool rx_status) +{ + switch (desc_info_gi) { + case RTW89_GILTF_SGI_4XHE08: + case RTW89_GILTF_2XHE08: + case RTW89_GILTF_1XHE08: + return NL80211_RATE_INFO_HE_GI_0_8; + case RTW89_GILTF_2XHE16: + case RTW89_GILTF_1XHE16: + return NL80211_RATE_INFO_HE_GI_1_6; + case RTW89_GILTF_LGI_4XHE32: + return NL80211_RATE_INFO_HE_GI_3_2; + default: + rtw89_warn(rtwdev, "invalid gi_ltf=%d", desc_info_gi); + if (rx_status) + return NL80211_RATE_INFO_HE_GI_3_2; + return U8_MAX; + } +} + +static u8 rtw89_rxdesc_to_nl_eht_gi(struct rtw89_dev *rtwdev, + u8 desc_info_gi, + bool rx_status) +{ + switch (desc_info_gi) { + case RTW89_GILTF_SGI_4XHE08: + case RTW89_GILTF_2XHE08: + case RTW89_GILTF_1XHE08: + return NL80211_RATE_INFO_EHT_GI_0_8; + case RTW89_GILTF_2XHE16: + case RTW89_GILTF_1XHE16: + return NL80211_RATE_INFO_EHT_GI_1_6; + case RTW89_GILTF_LGI_4XHE32: + return NL80211_RATE_INFO_EHT_GI_3_2; + default: + rtw89_warn(rtwdev, "invalid gi_ltf=%d", desc_info_gi); + if (rx_status) + return NL80211_RATE_INFO_EHT_GI_3_2; + return U8_MAX; + } +} + +static u8 rtw89_rxdesc_to_nl_he_eht_gi(struct rtw89_dev *rtwdev, + u8 desc_info_gi, + bool rx_status, bool eht) +{ + return eht ? rtw89_rxdesc_to_nl_eht_gi(rtwdev, desc_info_gi, rx_status) : + rtw89_rxdesc_to_nl_he_gi(rtwdev, desc_info_gi, rx_status); +} + +static +bool rtw89_check_rx_statu_gi_match(struct ieee80211_rx_status *status, u8 gi_ltf, + bool eht) +{ + if (eht) + return status->eht.gi == gi_ltf; + + return status->he_gi == gi_ltf; +} + +static bool rtw89_core_rx_ppdu_match(struct rtw89_dev *rtwdev, + struct rtw89_rx_desc_info *desc_info, + struct ieee80211_rx_status *status) +{ + u8 band = desc_info->bb_sel ? RTW89_PHY_1 : RTW89_PHY_0; + u8 data_rate_mode, bw, rate_idx = MASKBYTE0, gi_ltf; + bool eht = false; + u16 data_rate; + bool ret; + + data_rate = desc_info->data_rate; + data_rate_mode = rtw89_get_data_rate_mode(rtwdev, data_rate); + if (data_rate_mode == DATA_RATE_MODE_NON_HT) { + rate_idx = rtw89_get_data_not_ht_idx(rtwdev, data_rate); + /* rate_idx is still hardware value here */ + } else if (data_rate_mode == DATA_RATE_MODE_HT) { + rate_idx = rtw89_get_data_ht_mcs(rtwdev, data_rate); + } else if (data_rate_mode == DATA_RATE_MODE_VHT || + data_rate_mode == DATA_RATE_MODE_HE || + data_rate_mode == DATA_RATE_MODE_EHT) { + rate_idx = rtw89_get_data_mcs(rtwdev, data_rate); + } else { + rtw89_warn(rtwdev, "invalid RX rate mode %d\n", data_rate_mode); + } + + eht = data_rate_mode == DATA_RATE_MODE_EHT; + bw = rtw89_hw_to_rate_info_bw(desc_info->bw); + gi_ltf = rtw89_rxdesc_to_nl_he_eht_gi(rtwdev, desc_info->gi_ltf, false, eht); + ret = rtwdev->ppdu_sts.curr_rx_ppdu_cnt[band] == desc_info->ppdu_cnt && + status->rate_idx == rate_idx && + rtw89_check_rx_statu_gi_match(status, gi_ltf, eht) && + status->bw == bw; + + return ret; +} + +struct rtw89_vif_rx_stats_iter_data { + struct rtw89_dev *rtwdev; + struct rtw89_rx_phy_ppdu *phy_ppdu; + struct rtw89_rx_desc_info *desc_info; + struct sk_buff *skb; + const u8 *bssid; +}; + +static void rtw89_stats_trigger_frame(struct rtw89_dev *rtwdev, + struct rtw89_vif_link *rtwvif_link, + struct ieee80211_bss_conf *bss_conf, + struct sk_buff *skb) +{ + struct ieee80211_trigger *tf = (struct ieee80211_trigger *)skb->data; + struct ieee80211_vif *vif = rtwvif_link_to_vif(rtwvif_link); + struct rtw89_vif *rtwvif = rtwvif_link->rtwvif; + u8 *pos, *end, type, tf_bw; + u16 aid, tf_rua; + + if (!ether_addr_equal(bss_conf->bssid, tf->ta) || + rtwvif_link->wifi_role != RTW89_WIFI_ROLE_STATION || + rtwvif_link->net_type == RTW89_NET_TYPE_NO_LINK) + return; + + type = le64_get_bits(tf->common_info, IEEE80211_TRIGGER_TYPE_MASK); + if (type != IEEE80211_TRIGGER_TYPE_BASIC && type != IEEE80211_TRIGGER_TYPE_MU_BAR) + return; + + end = (u8 *)tf + skb->len; + pos = tf->variable; + + while (end - pos >= RTW89_TF_BASIC_USER_INFO_SZ) { + aid = RTW89_GET_TF_USER_INFO_AID12(pos); + tf_rua = RTW89_GET_TF_USER_INFO_RUA(pos); + tf_bw = le64_get_bits(tf->common_info, IEEE80211_TRIGGER_ULBW_MASK); + rtw89_debug(rtwdev, RTW89_DBG_TXRX, + "[TF] aid: %d, ul_mcs: %d, rua: %d, bw: %d\n", + aid, RTW89_GET_TF_USER_INFO_UL_MCS(pos), + tf_rua, tf_bw); + + if (aid == RTW89_TF_PAD) + break; + + if (aid == vif->cfg.aid) { + enum nl80211_he_ru_alloc rua; + + rtwvif->stats.rx_tf_acc++; + rtwdev->stats.rx_tf_acc++; + + /* The following only required for HE trigger frame, but we + * cannot use UL HE-SIG-A2 reserved subfield to identify it + * since some 11ax APs will fill it with all 0s, which will + * be misunderstood as EHT trigger frame. + */ + if (bss_conf->eht_support) + break; + + rua = rtw89_he_rua_to_ru_alloc(tf_rua >> 1); + + if (tf_bw == IEEE80211_TRIGGER_ULBW_160_80P80MHZ && + rua <= NL80211_RATE_INFO_HE_RU_ALLOC_106) + rtwvif_link->pwr_diff_en = true; + break; + } + + pos += RTW89_TF_BASIC_USER_INFO_SZ; + } +} + +static void rtw89_cancel_6ghz_probe_work(struct wiphy *wiphy, struct wiphy_work *work) +{ + struct rtw89_dev *rtwdev = container_of(work, struct rtw89_dev, + cancel_6ghz_probe_work); + struct list_head *pkt_list = rtwdev->scan_info.pkt_list; + struct rtw89_pktofld_info *info; + + lockdep_assert_wiphy(wiphy); + + if (!rtwdev->scanning) + return; + + list_for_each_entry(info, &pkt_list[NL80211_BAND_6GHZ], list) { + if (!info->cancel || !test_bit(info->id, rtwdev->pkt_offload)) + continue; + + rtw89_fw_h2c_del_pkt_offload(rtwdev, info->id); + + /* Don't delete/free info from pkt_list at this moment. Let it + * be deleted/freed in rtw89_release_pkt_list() after scanning, + * since if during scanning, pkt_list is accessed in bottom half. + */ + } +} + +static void rtw89_core_cancel_6ghz_probe_tx(struct rtw89_dev *rtwdev, + struct sk_buff *skb) +{ + struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb); + struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data; + struct list_head *pkt_list = rtwdev->scan_info.pkt_list; + struct rtw89_pktofld_info *info; + const u8 *ies = mgmt->u.beacon.variable, *ssid_ie; + bool queue_work = false; + + if (rx_status->band != NL80211_BAND_6GHZ) + return; + + if (unlikely(!(rtwdev->chip->support_bands & BIT(NL80211_BAND_6GHZ)))) { + rtw89_debug(rtwdev, RTW89_DBG_UNEXP, "invalid rx on unsupported 6 GHz\n"); + return; + } + + ssid_ie = cfg80211_find_ie(WLAN_EID_SSID, ies, skb->len); + + list_for_each_entry(info, &pkt_list[NL80211_BAND_6GHZ], list) { + if (ether_addr_equal(info->bssid, mgmt->bssid)) { + info->cancel = true; + queue_work = true; + continue; + } + + if (!ssid_ie || ssid_ie[1] != info->ssid_len || info->ssid_len == 0) + continue; + + if (memcmp(&ssid_ie[2], info->ssid, info->ssid_len) == 0) { + info->cancel = true; + queue_work = true; + } + } + + if (queue_work) + wiphy_work_queue(rtwdev->hw->wiphy, &rtwdev->cancel_6ghz_probe_work); +} + +static void rtw89_vif_sync_bcn_tsf(struct rtw89_vif_link *rtwvif_link, + struct ieee80211_hdr *hdr, size_t len) +{ + struct ieee80211_mgmt *mgmt = (typeof(mgmt))hdr; + + if (len < offsetof(typeof(*mgmt), u.beacon.variable)) + return; + + WRITE_ONCE(rtwvif_link->sync_bcn_tsf, le64_to_cpu(mgmt->u.beacon.timestamp)); +} + +static u32 rtw89_bcn_calc_min_tbtt(struct rtw89_dev *rtwdev, u32 tbtt1, u32 tbtt2) +{ + struct rtw89_beacon_track_info *bcn_track = &rtwdev->bcn_track; + u32 close_bcn_intvl_th = bcn_track->close_bcn_intvl_th; + u32 tbtt_diff_th = bcn_track->tbtt_diff_th; + + if (tbtt2 > tbtt1) + swap(tbtt1, tbtt2); + + if (tbtt1 - tbtt2 > tbtt_diff_th) + return tbtt1; + else if (tbtt2 > close_bcn_intvl_th) + return tbtt2; + else if (tbtt1 > close_bcn_intvl_th) + return tbtt1; + else + return tbtt2; +} + +static void rtw89_bcn_cfg_tbtt_offset(struct rtw89_dev *rtwdev, + struct rtw89_vif_link *rtwvif_link) +{ + struct rtw89_beacon_track_info *bcn_track = &rtwdev->bcn_track; + enum rtw89_core_chip_id chip_id = rtwdev->chip->chip_id; + u32 offset = bcn_track->tbtt_offset; + + if (chip_id == RTL8852A || rtw89_is_rtl885xb(rtwdev)) { + const struct rtw89_mac_gen_def *mac = rtwdev->chip->mac_def; + const struct rtw89_port_reg *p = mac->port_base; + u32 bcnspc, val; + + bcnspc = rtw89_read32_port_mask(rtwdev, rtwvif_link, + p->bcn_space, B_AX_BCN_SPACE_MASK); + val = bcnspc - (offset / 1024); + val = u32_encode_bits(val, B_AX_TBTT_SHIFT_OFST_MAG) | + B_AX_TBTT_SHIFT_OFST_SIGN; + + rtw89_write16_port_mask(rtwdev, rtwvif_link, p->tbtt_shift, + B_AX_TBTT_SHIFT_OFST_MASK, val); + + return; + } + + rtw89_fw_h2c_tbtt_tuning(rtwdev, rtwvif_link, offset); +} + +static void rtw89_bcn_update_tbtt_offset(struct rtw89_dev *rtwdev, + struct rtw89_vif_link *rtwvif_link) +{ + struct rtw89_beacon_stat *bcn_stat = &rtwdev->phystat.bcn_stat; + struct rtw89_beacon_track_info *bcn_track = &rtwdev->bcn_track; + u32 *tbtt_us = bcn_stat->tbtt_us; + u32 offset = tbtt_us[0]; + u8 i; + + for (i = 1; i < RTW89_BCN_TRACK_STAT_NR; i++) + offset = rtw89_bcn_calc_min_tbtt(rtwdev, tbtt_us[i], offset); + + if (bcn_track->tbtt_offset == offset) + return; + + bcn_track->tbtt_offset = offset; + rtw89_bcn_cfg_tbtt_offset(rtwdev, rtwvif_link); +} + +static int cmp_u16(const void *a, const void *b) +{ + return *(const u16 *)a - *(const u16 *)b; +} + +static u16 _rtw89_bcn_calc_drift(u16 tbtt, u16 offset, u16 beacon_int) +{ + if (tbtt < offset) + return beacon_int - offset + tbtt; + + return tbtt - offset; +} + +static void rtw89_bcn_calc_drift(struct rtw89_dev *rtwdev) +{ + struct rtw89_beacon_stat *bcn_stat = &rtwdev->phystat.bcn_stat; + struct rtw89_beacon_track_info *bcn_track = &rtwdev->bcn_track; + u16 offset_tu = bcn_track->tbtt_offset / 1024; + u16 *tbtt_tu = bcn_stat->tbtt_tu; + u16 *drift = bcn_stat->drift; + u8 i; + + bcn_stat->tbtt_tu_min = U16_MAX; + bcn_stat->tbtt_tu_max = 0; + for (i = 0; i < RTW89_BCN_TRACK_STAT_NR; i++) { + drift[i] = _rtw89_bcn_calc_drift(tbtt_tu[i], offset_tu, + bcn_track->beacon_int); + + bcn_stat->tbtt_tu_min = min(bcn_stat->tbtt_tu_min, tbtt_tu[i]); + bcn_stat->tbtt_tu_max = max(bcn_stat->tbtt_tu_max, tbtt_tu[i]); + } + + sort(drift, RTW89_BCN_TRACK_STAT_NR, sizeof(*drift), cmp_u16, NULL); +} + +static void rtw89_bcn_calc_distribution(struct rtw89_dev *rtwdev) +{ + struct rtw89_beacon_stat *bcn_stat = &rtwdev->phystat.bcn_stat; + struct rtw89_beacon_dist *bcn_dist = &bcn_stat->bcn_dist; + u16 lower_bound, upper_bound, outlier_count = 0; + u16 *drift = bcn_stat->drift; + u16 *bins = bcn_dist->bins; + u16 q1, q3, iqr, tmp; + u8 i; + + BUILD_BUG_ON(RTW89_BCN_TRACK_STAT_NR % 4 != 0); + + memset(bcn_dist, 0, sizeof(*bcn_dist)); + + bcn_dist->min = drift[0]; + bcn_dist->max = drift[RTW89_BCN_TRACK_STAT_NR - 1]; + + tmp = RTW89_BCN_TRACK_STAT_NR / 4; + q1 = ((drift[tmp] + drift[tmp - 1]) * RTW89_BCN_TRACK_SCALE_FACTOR) / 2; + + tmp = (RTW89_BCN_TRACK_STAT_NR * 3) / 4; + q3 = ((drift[tmp] + drift[tmp - 1]) * RTW89_BCN_TRACK_SCALE_FACTOR) / 2; + + iqr = q3 - q1; + tmp = (3 * iqr) / 2; + + if (bcn_dist->min <= 5) + lower_bound = bcn_dist->min; + else if (q1 > tmp) + lower_bound = (q1 - tmp) / RTW89_BCN_TRACK_SCALE_FACTOR; + else + lower_bound = 0; + + upper_bound = (q3 + tmp) / RTW89_BCN_TRACK_SCALE_FACTOR; + + for (i = 0; i < RTW89_BCN_TRACK_STAT_NR; i++) { + u16 tbtt = bcn_stat->tbtt_tu[i]; + u16 min = bcn_stat->tbtt_tu_min; + u8 bin_idx; + + /* histogram */ + bin_idx = min((tbtt - min) / RTW89_BCN_TRACK_BIN_WIDTH, + RTW89_BCN_TRACK_MAX_BIN_NUM - 1); + bins[bin_idx]++; + + /* boxplot outlier */ + if (drift[i] < lower_bound || drift[i] > upper_bound) + outlier_count++; + } + + bcn_dist->outlier_count = outlier_count; + bcn_dist->lower_bound = lower_bound; + bcn_dist->upper_bound = upper_bound; +} + +static u8 rtw89_bcn_get_coverage(struct rtw89_dev *rtwdev, u16 threshold) +{ + struct rtw89_beacon_stat *bcn_stat = &rtwdev->phystat.bcn_stat; + int l = 0, r = RTW89_BCN_TRACK_STAT_NR - 1, m; + u16 *drift = bcn_stat->drift; + int index = -1; + u8 count = 0; + + while (l <= r) { + m = l + (r - l) / 2; + + if (drift[m] <= threshold) { + index = m; + l = m + 1; + } else { + r = m - 1; + } + } + + count = (index == -1) ? 0 : (index + 1); + + return (count * PERCENT) / RTW89_BCN_TRACK_STAT_NR; +} + +static u16 rtw89_bcn_get_histogram_bound(struct rtw89_dev *rtwdev, u8 target) +{ + struct rtw89_beacon_stat *bcn_stat = &rtwdev->phystat.bcn_stat; + struct rtw89_beacon_dist *bcn_dist = &bcn_stat->bcn_dist; + u16 tbtt_tu_max = bcn_stat->tbtt_tu_max; + u16 upper, lower = bcn_stat->tbtt_tu_min; + u8 i, count = 0; + + for (i = 0; i < RTW89_BCN_TRACK_MAX_BIN_NUM; i++) { + upper = lower + RTW89_BCN_TRACK_BIN_WIDTH - 1; + if (i == RTW89_BCN_TRACK_MAX_BIN_NUM - 1) + upper = max(upper, tbtt_tu_max); + + count += bcn_dist->bins[i]; + if (count > target) + break; + + lower = upper + 1; + } + + return upper; +} + +static u16 rtw89_bcn_get_rx_time(struct rtw89_dev *rtwdev, + const struct rtw89_chan *chan) +{ +#define RTW89_SYMBOL_TIME_2GHZ 192 +#define RTW89_SYMBOL_TIME_5GHZ 20 +#define RTW89_SYMBOL_TIME_6GHZ 20 + struct rtw89_pkt_stat *pkt_stat = &rtwdev->phystat.cur_pkt_stat; + u16 bitrate, val; + + if (!rtw89_legacy_rate_to_bitrate(rtwdev, pkt_stat->beacon_rate, &bitrate)) + return 0; + + val = (pkt_stat->beacon_len * 8 * RTW89_BCN_TRACK_SCALE_FACTOR) / bitrate; + + switch (chan->band_type) { + default: + case RTW89_BAND_2G: + val += RTW89_SYMBOL_TIME_2GHZ; + break; + case RTW89_BAND_5G: + val += RTW89_SYMBOL_TIME_5GHZ; + break; + case RTW89_BAND_6G: + val += RTW89_SYMBOL_TIME_6GHZ; + break; + } + + /* convert to millisecond */ + return DIV_ROUND_UP(val, 1000); +} + +static void rtw89_bcn_calc_timeout(struct rtw89_dev *rtwdev, + struct rtw89_vif_link *rtwvif_link) +{ +#define RTW89_BCN_TRACK_EXTEND_TIMEOUT 5 +#define RTW89_BCN_TRACK_COVERAGE_TH 0 /* unit: TU */ +#define RTW89_BCN_TRACK_STRONG_RSSI 80 + const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, rtwvif_link->chanctx_idx); + struct rtw89_pkt_stat *pkt_stat = &rtwdev->phystat.cur_pkt_stat; + struct rtw89_beacon_stat *bcn_stat = &rtwdev->phystat.bcn_stat; + struct rtw89_beacon_track_info *bcn_track = &rtwdev->bcn_track; + struct rtw89_beacon_dist *bcn_dist = &bcn_stat->bcn_dist; + u16 outlier_high_bcn_th = bcn_track->outlier_high_bcn_th; + u16 outlier_low_bcn_th = bcn_track->outlier_low_bcn_th; + u8 rssi = ewma_rssi_read(&rtwdev->phystat.bcn_rssi); + u16 target_bcn_th = bcn_track->target_bcn_th; + u16 low_bcn_th = bcn_track->low_bcn_th; + u16 med_bcn_th = bcn_track->med_bcn_th; + u16 beacon_int = bcn_track->beacon_int; + u16 bcn_timeout; + + if (pkt_stat->beacon_nr < low_bcn_th) { + bcn_timeout = (RTW89_BCN_TRACK_TARGET_BCN * beacon_int) / PERCENT; + goto out; + } + + if (bcn_dist->outlier_count >= outlier_high_bcn_th) { + bcn_timeout = bcn_dist->max; + goto out; + } + + if (pkt_stat->beacon_nr < med_bcn_th) { + if (bcn_dist->outlier_count > outlier_low_bcn_th) + bcn_timeout = (bcn_dist->max + bcn_dist->upper_bound) / 2; + else + bcn_timeout = bcn_dist->upper_bound + + RTW89_BCN_TRACK_EXTEND_TIMEOUT; + + goto out; + } + + if (rssi >= RTW89_BCN_TRACK_STRONG_RSSI) { + if (rtw89_bcn_get_coverage(rtwdev, RTW89_BCN_TRACK_COVERAGE_TH) >= 90) { + /* ideal case */ + bcn_timeout = 0; + } else { + u16 offset_tu = bcn_track->tbtt_offset / 1024; + u16 upper_bound; + + upper_bound = + rtw89_bcn_get_histogram_bound(rtwdev, target_bcn_th); + bcn_timeout = + _rtw89_bcn_calc_drift(upper_bound, offset_tu, beacon_int); + } + + goto out; + } + + bcn_timeout = bcn_stat->drift[target_bcn_th]; + +out: + bcn_track->bcn_timeout = bcn_timeout + rtw89_bcn_get_rx_time(rtwdev, chan); +} + +static void rtw89_bcn_update_timeout(struct rtw89_dev *rtwdev, + struct rtw89_vif_link *rtwvif_link) +{ + rtw89_bcn_calc_drift(rtwdev); + rtw89_bcn_calc_distribution(rtwdev); + rtw89_bcn_calc_timeout(rtwdev, rtwvif_link); +} + +static void rtw89_core_bcn_track(struct rtw89_dev *rtwdev) +{ + struct rtw89_beacon_track_info *bcn_track = &rtwdev->bcn_track; + struct rtw89_vif_link *rtwvif_link; + struct rtw89_vif *rtwvif; + unsigned int link_id; + + if (!RTW89_CHK_FW_FEATURE(BEACON_TRACKING, &rtwdev->fw)) + return; + + if (!rtwdev->lps_enabled) + return; + + if (!bcn_track->is_data_ready) + return; + + rtw89_for_each_rtwvif(rtwdev, rtwvif) { + rtw89_vif_for_each_link(rtwvif, rtwvif_link, link_id) { + if (!(rtwvif_link->wifi_role == RTW89_WIFI_ROLE_STATION || + rtwvif_link->wifi_role == RTW89_WIFI_ROLE_P2P_CLIENT)) + continue; + + rtw89_bcn_update_tbtt_offset(rtwdev, rtwvif_link); + rtw89_bcn_update_timeout(rtwdev, rtwvif_link); + } + } +} + +static bool rtw89_core_bcn_track_can_lps(struct rtw89_dev *rtwdev) +{ + struct rtw89_beacon_track_info *bcn_track = &rtwdev->bcn_track; + + if (!RTW89_CHK_FW_FEATURE(BEACON_TRACKING, &rtwdev->fw)) + return true; + + return bcn_track->is_data_ready; +} + +static void rtw89_core_bcn_track_assoc(struct rtw89_dev *rtwdev, + struct rtw89_vif_link *rtwvif_link) +{ +#define RTW89_BCN_TRACK_MED_BCN 70 +#define RTW89_BCN_TRACK_LOW_BCN 30 +#define RTW89_BCN_TRACK_OUTLIER_HIGH_BCN 30 +#define RTW89_BCN_TRACK_OUTLIER_LOW_BCN 20 + struct rtw89_beacon_track_info *bcn_track = &rtwdev->bcn_track; + u32 period = jiffies_to_msecs(RTW89_TRACK_WORK_PERIOD); + struct ieee80211_bss_conf *bss_conf; + u32 beacons_in_period; + u32 bcn_intvl_us; + u16 beacon_int; + u8 dtim; + + rcu_read_lock(); + bss_conf = rtw89_vif_rcu_dereference_link(rtwvif_link, true); + beacon_int = bss_conf->beacon_int; + dtim = bss_conf->dtim_period; + rcu_read_unlock(); + + beacons_in_period = period / beacon_int / dtim; + bcn_intvl_us = ieee80211_tu_to_usec(beacon_int); + + bcn_track->low_bcn_th = + (beacons_in_period * RTW89_BCN_TRACK_LOW_BCN) / PERCENT; + bcn_track->med_bcn_th = + (beacons_in_period * RTW89_BCN_TRACK_MED_BCN) / PERCENT; + bcn_track->outlier_low_bcn_th = + (RTW89_BCN_TRACK_STAT_NR * RTW89_BCN_TRACK_OUTLIER_LOW_BCN) / PERCENT; + bcn_track->outlier_high_bcn_th = + (RTW89_BCN_TRACK_STAT_NR * RTW89_BCN_TRACK_OUTLIER_HIGH_BCN) / PERCENT; + bcn_track->target_bcn_th = + (RTW89_BCN_TRACK_STAT_NR * RTW89_BCN_TRACK_TARGET_BCN) / PERCENT; + + bcn_track->close_bcn_intvl_th = ieee80211_tu_to_usec(beacon_int - 3); + bcn_track->tbtt_diff_th = (bcn_intvl_us * 85) / PERCENT; + bcn_track->beacon_int = beacon_int; + bcn_track->dtim = dtim; +} + +static void rtw89_core_bcn_track_reset(struct rtw89_dev *rtwdev) +{ + memset(&rtwdev->phystat.bcn_stat, 0, sizeof(rtwdev->phystat.bcn_stat)); + memset(&rtwdev->bcn_track, 0, sizeof(rtwdev->bcn_track)); +} + +static void rtw89_vif_rx_bcn_stat(struct rtw89_dev *rtwdev, + struct ieee80211_bss_conf *bss_conf, + struct sk_buff *skb) +{ +#define RTW89_APPEND_TSF_2GHZ 384 +#define RTW89_APPEND_TSF_5GHZ 52 +#define RTW89_APPEND_TSF_6GHZ 52 + struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data; + struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb); + struct rtw89_beacon_stat *bcn_stat = &rtwdev->phystat.bcn_stat; + struct rtw89_beacon_track_info *bcn_track = &rtwdev->bcn_track; + u32 bcn_intvl_us = ieee80211_tu_to_usec(bss_conf->beacon_int); + u64 tsf = le64_to_cpu(mgmt->u.beacon.timestamp); + u8 wp, num = bcn_stat->num; + u16 append; + + if (!RTW89_CHK_FW_FEATURE(BEACON_TRACKING, &rtwdev->fw)) + return; + + switch (rx_status->band) { + default: + case NL80211_BAND_2GHZ: + append = RTW89_APPEND_TSF_2GHZ; + break; + case NL80211_BAND_5GHZ: + append = RTW89_APPEND_TSF_5GHZ; + break; + case NL80211_BAND_6GHZ: + append = RTW89_APPEND_TSF_6GHZ; + break; + } + + wp = bcn_stat->wp; + div_u64_rem(tsf - append, bcn_intvl_us, &bcn_stat->tbtt_us[wp]); + bcn_stat->tbtt_tu[wp] = bcn_stat->tbtt_us[wp] / 1024; + bcn_stat->wp = (wp + 1) % RTW89_BCN_TRACK_STAT_NR; + bcn_stat->num = umin(num + 1, RTW89_BCN_TRACK_STAT_NR); + bcn_track->is_data_ready = bcn_stat->num == RTW89_BCN_TRACK_STAT_NR; +} + +static void rtw89_vif_rx_stats_iter(void *data, u8 *mac, + struct ieee80211_vif *vif) +{ + struct rtw89_vif_rx_stats_iter_data *iter_data = data; + struct rtw89_dev *rtwdev = iter_data->rtwdev; + struct rtw89_vif *rtwvif = vif_to_rtwvif(vif); + struct rtw89_pkt_stat *pkt_stat = &rtwdev->phystat.cur_pkt_stat; + struct rtw89_rx_desc_info *desc_info = iter_data->desc_info; + struct sk_buff *skb = iter_data->skb; + struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb); + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + struct rtw89_rx_phy_ppdu *phy_ppdu = iter_data->phy_ppdu; + bool is_mld = ieee80211_vif_is_mld(vif); + struct ieee80211_bss_conf *bss_conf; + struct rtw89_vif_link *rtwvif_link; + const u8 *bssid = iter_data->bssid; + const u8 *target_bssid; + + if (rtwdev->scanning && + (ieee80211_is_beacon(hdr->frame_control) || + ieee80211_is_probe_resp(hdr->frame_control))) + rtw89_core_cancel_6ghz_probe_tx(rtwdev, skb); + + rcu_read_lock(); + + rtwvif_link = rtw89_vif_get_link_inst(rtwvif, desc_info->bb_sel); + if (unlikely(!rtwvif_link)) + goto out; + + bss_conf = rtw89_vif_rcu_dereference_link(rtwvif_link, false); + if (!bss_conf->bssid) + goto out; + + if (ieee80211_is_trigger(hdr->frame_control)) { + rtw89_stats_trigger_frame(rtwdev, rtwvif_link, bss_conf, skb); + goto out; + } + + target_bssid = ieee80211_is_beacon(hdr->frame_control) && + bss_conf->nontransmitted ? + bss_conf->transmitter_bssid : bss_conf->bssid; + if (!ether_addr_equal(target_bssid, bssid)) + goto out; + + if (is_mld) { + rx_status->link_valid = true; + rx_status->link_id = rtwvif_link->link_id; + } + + if (ieee80211_is_beacon(hdr->frame_control)) { + if (vif->type == NL80211_IFTYPE_STATION && + !test_bit(RTW89_FLAG_WOWLAN, rtwdev->flags)) { + rtw89_vif_sync_bcn_tsf(rtwvif_link, hdr, skb->len); + rtw89_fw_h2c_rssi_offload(rtwdev, phy_ppdu); + } + + if (phy_ppdu) { + ewma_rssi_add(&rtwdev->phystat.bcn_rssi, phy_ppdu->rssi_avg); + if (!test_bit(RTW89_FLAG_LOW_POWER_MODE, rtwdev->flags)) + rtwvif_link->bcn_bw_idx = phy_ppdu->bw_idx; + } + + pkt_stat->beacon_nr++; + pkt_stat->beacon_rate = desc_info->data_rate; + pkt_stat->beacon_len = skb->len; + + rtw89_vif_rx_bcn_stat(rtwdev, bss_conf, skb); + } + + if (!ether_addr_equal(bss_conf->addr, hdr->addr1)) + goto out; + + if (desc_info->data_rate < RTW89_HW_RATE_NR) + pkt_stat->rx_rate_cnt[desc_info->data_rate]++; + + rtw89_traffic_stats_accu(rtwdev, rtwvif, skb, false, false); + +out: + rcu_read_unlock(); +} + +static void rtw89_core_rx_stats(struct rtw89_dev *rtwdev, + struct rtw89_rx_phy_ppdu *phy_ppdu, + struct rtw89_rx_desc_info *desc_info, + struct sk_buff *skb) +{ + struct rtw89_vif_rx_stats_iter_data iter_data; + + rtw89_traffic_stats_accu(rtwdev, NULL, skb, true, false); + + iter_data.rtwdev = rtwdev; + iter_data.phy_ppdu = phy_ppdu; + iter_data.desc_info = desc_info; + iter_data.skb = skb; + iter_data.bssid = get_hdr_bssid((struct ieee80211_hdr *)skb->data); + rtw89_iterate_vifs_bh(rtwdev, rtw89_vif_rx_stats_iter, &iter_data); +} + +static void rtw89_correct_cck_chan(struct rtw89_dev *rtwdev, + struct ieee80211_rx_status *status) +{ + const struct rtw89_chan_rcd *rcd = + rtw89_chan_rcd_get(rtwdev, RTW89_CHANCTX_0); + u16 chan = rcd->prev_primary_channel; + u8 band = rtw89_hw_to_nl80211_band(rcd->prev_band_type); + + if (status->band != NL80211_BAND_2GHZ && + status->encoding == RX_ENC_LEGACY && + status->rate_idx < RTW89_HW_RATE_OFDM6) { + status->freq = ieee80211_channel_to_frequency(chan, band); + status->band = band; + } +} + +static void rtw89_core_hw_to_sband_rate(struct ieee80211_rx_status *rx_status) +{ + if (rx_status->band == NL80211_BAND_2GHZ || + rx_status->encoding != RX_ENC_LEGACY) + return; + + /* Some control frames' freq(ACKs in this case) are reported wrong due + * to FW notify timing, set to lowest rate to prevent overflow. + */ + if (rx_status->rate_idx < RTW89_HW_RATE_OFDM6) { + rx_status->rate_idx = 0; + return; + } + + /* No 4 CCK rates for non-2G */ + rx_status->rate_idx -= 4; +} + +static +void rtw89_core_update_rx_status_by_ppdu(struct rtw89_dev *rtwdev, + struct ieee80211_rx_status *rx_status, + struct rtw89_rx_phy_ppdu *phy_ppdu) +{ + if (!(rtwdev->hw->conf.flags & IEEE80211_CONF_MONITOR)) + return; + + if (!phy_ppdu) + return; + + if (phy_ppdu->ldpc) + rx_status->enc_flags |= RX_ENC_FLAG_LDPC; + if (phy_ppdu->stbc) + rx_status->enc_flags |= u8_encode_bits(1, RX_ENC_FLAG_STBC_MASK); +} + +static const u8 rx_status_bw_to_radiotap_eht_usig[] = { + [RATE_INFO_BW_20] = IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_20MHZ, + [RATE_INFO_BW_5] = U8_MAX, + [RATE_INFO_BW_10] = U8_MAX, + [RATE_INFO_BW_40] = IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_40MHZ, + [RATE_INFO_BW_80] = IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_80MHZ, + [RATE_INFO_BW_160] = IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_160MHZ, + [RATE_INFO_BW_HE_RU] = U8_MAX, + [RATE_INFO_BW_320] = IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_320MHZ_1, + [RATE_INFO_BW_EHT_RU] = U8_MAX, +}; + +static void rtw89_core_update_radiotap_eht(struct rtw89_dev *rtwdev, + struct sk_buff *skb, + struct ieee80211_rx_status *rx_status) +{ + struct ieee80211_radiotap_eht_usig *usig; + struct ieee80211_radiotap_eht *eht; + struct ieee80211_radiotap_tlv *tlv; + int eht_len = struct_size(eht, user_info, 1); + int usig_len = sizeof(*usig); + int len; + u8 bw; + + len = sizeof(*tlv) + ALIGN(eht_len, 4) + + sizeof(*tlv) + ALIGN(usig_len, 4); + + rx_status->flag |= RX_FLAG_RADIOTAP_TLV_AT_END; + skb_reset_mac_header(skb); + + /* EHT */ + tlv = skb_push(skb, len); + memset(tlv, 0, len); + tlv->type = cpu_to_le16(IEEE80211_RADIOTAP_EHT); + tlv->len = cpu_to_le16(eht_len); + + eht = (struct ieee80211_radiotap_eht *)tlv->data; + eht->known = cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_GI); + eht->data[0] = + le32_encode_bits(rx_status->eht.gi, IEEE80211_RADIOTAP_EHT_DATA0_GI); + + eht->user_info[0] = + cpu_to_le32(IEEE80211_RADIOTAP_EHT_USER_INFO_MCS_KNOWN | + IEEE80211_RADIOTAP_EHT_USER_INFO_NSS_KNOWN_O | + IEEE80211_RADIOTAP_EHT_USER_INFO_CODING_KNOWN); + eht->user_info[0] |= + le32_encode_bits(rx_status->rate_idx, IEEE80211_RADIOTAP_EHT_USER_INFO_MCS) | + le32_encode_bits(rx_status->nss, IEEE80211_RADIOTAP_EHT_USER_INFO_NSS_O); + if (rx_status->enc_flags & RX_ENC_FLAG_LDPC) + eht->user_info[0] |= + cpu_to_le32(IEEE80211_RADIOTAP_EHT_USER_INFO_CODING); + + /* U-SIG */ + tlv = (void *)tlv + sizeof(*tlv) + ALIGN(eht_len, 4); + tlv->type = cpu_to_le16(IEEE80211_RADIOTAP_EHT_USIG); + tlv->len = cpu_to_le16(usig_len); + + if (rx_status->bw >= ARRAY_SIZE(rx_status_bw_to_radiotap_eht_usig)) + return; + + bw = rx_status_bw_to_radiotap_eht_usig[rx_status->bw]; + if (bw == U8_MAX) + return; + + usig = (struct ieee80211_radiotap_eht_usig *)tlv->data; + usig->common = + le32_encode_bits(1, IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_KNOWN) | + le32_encode_bits(bw, IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW); +} + +static void rtw89_core_update_radiotap(struct rtw89_dev *rtwdev, + struct sk_buff *skb, + struct ieee80211_rx_status *rx_status) +{ + static const struct ieee80211_radiotap_he known_he = { + .data1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN | + IEEE80211_RADIOTAP_HE_DATA1_CODING_KNOWN | + IEEE80211_RADIOTAP_HE_DATA1_STBC_KNOWN | + IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN), + .data2 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN), + }; + struct ieee80211_radiotap_he *he; + + if (!(rtwdev->hw->conf.flags & IEEE80211_CONF_MONITOR)) + return; + + if (rx_status->encoding == RX_ENC_HE) { + rx_status->flag |= RX_FLAG_RADIOTAP_HE; + he = skb_push(skb, sizeof(*he)); + *he = known_he; + } else if (rx_status->encoding == RX_ENC_EHT) { + rtw89_core_update_radiotap_eht(rtwdev, skb, rx_status); + } +} + +static void rtw89_core_validate_rx_signal(struct ieee80211_rx_status *rx_status) +{ + if (!rx_status->signal) + rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL; +} + +static void rtw89_core_update_rx_freq_from_ie(struct rtw89_dev *rtwdev, + struct sk_buff *skb, + struct ieee80211_rx_status *rx_status) +{ + struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data; + size_t hdr_len, ielen; + u8 *variable; + int chan; + + if (!rtwdev->chip->rx_freq_frome_ie) + return; + + if (!rtwdev->scanning) + return; + + if (ieee80211_is_beacon(mgmt->frame_control)) { + variable = mgmt->u.beacon.variable; + hdr_len = offsetof(struct ieee80211_mgmt, + u.beacon.variable); + } else if (ieee80211_is_probe_resp(mgmt->frame_control)) { + variable = mgmt->u.probe_resp.variable; + hdr_len = offsetof(struct ieee80211_mgmt, + u.probe_resp.variable); + } else { + return; + } + + if (skb->len > hdr_len) + ielen = skb->len - hdr_len; + else + return; + + /* The parsing code for both 2GHz and 5GHz bands is the same in this + * function. + */ + chan = cfg80211_get_ies_channel_number(variable, ielen, NL80211_BAND_2GHZ); + if (chan == -1) + return; + + rx_status->band = chan > 14 ? RTW89_BAND_5G : RTW89_BAND_2G; + rx_status->freq = ieee80211_channel_to_frequency(chan, rx_status->band); +} + +static void rtw89_core_correct_mcc_chan(struct rtw89_dev *rtwdev, + struct rtw89_rx_desc_info *desc_info, + struct ieee80211_rx_status *rx_status, + struct rtw89_rx_phy_ppdu *phy_ppdu) +{ + enum rtw89_chip_gen chip_gen = rtwdev->chip->chip_gen; + struct rtw89_vif_link *rtwvif_link; + struct rtw89_sta_link *rtwsta_link; + const struct rtw89_chan *chan; + u8 mac_id = desc_info->mac_id; + enum rtw89_entity_mode mode; + enum nl80211_band band; + + mode = rtw89_get_entity_mode(rtwdev); + if (likely(mode != RTW89_ENTITY_MODE_MCC)) + return; + + if (chip_gen == RTW89_CHIP_BE && phy_ppdu) + mac_id = phy_ppdu->mac_id; + + rcu_read_lock(); + + rtwsta_link = rtw89_assoc_link_rcu_dereference(rtwdev, mac_id); + if (!rtwsta_link) + goto out; + + rtwvif_link = rtwsta_link->rtwvif_link; + chan = rtw89_chan_get(rtwdev, rtwvif_link->chanctx_idx); + band = rtw89_hw_to_nl80211_band(chan->band_type); + rx_status->freq = ieee80211_channel_to_frequency(chan->primary_channel, band); + +out: + rcu_read_unlock(); +} + +static void rtw89_core_rx_to_mac80211(struct rtw89_dev *rtwdev, + struct rtw89_rx_phy_ppdu *phy_ppdu, + struct rtw89_rx_desc_info *desc_info, + struct sk_buff *skb_ppdu, + struct ieee80211_rx_status *rx_status) +{ + struct napi_struct *napi = &rtwdev->napi; + + /* In low power mode, napi isn't scheduled. Receive it to netif. */ + if (unlikely(!napi_is_scheduled(napi))) + napi = NULL; + + rtw89_core_hw_to_sband_rate(rx_status); + rtw89_core_rx_stats(rtwdev, phy_ppdu, desc_info, skb_ppdu); + rtw89_core_update_rx_status_by_ppdu(rtwdev, rx_status, phy_ppdu); + rtw89_core_update_radiotap(rtwdev, skb_ppdu, rx_status); + rtw89_core_validate_rx_signal(rx_status); + rtw89_core_update_rx_freq_from_ie(rtwdev, skb_ppdu, rx_status); + rtw89_core_correct_mcc_chan(rtwdev, desc_info, rx_status, phy_ppdu); + + /* In low power mode, it does RX in thread context. */ + local_bh_disable(); + ieee80211_rx_napi(rtwdev->hw, NULL, skb_ppdu, napi); + local_bh_enable(); + rtwdev->napi_budget_countdown--; +} + +static void rtw89_core_rx_pending_skb(struct rtw89_dev *rtwdev, + struct rtw89_rx_phy_ppdu *phy_ppdu, + struct rtw89_rx_desc_info *desc_info, + struct sk_buff *skb) +{ + u8 band = desc_info->bb_sel ? RTW89_PHY_1 : RTW89_PHY_0; + int curr = rtwdev->ppdu_sts.curr_rx_ppdu_cnt[band]; + struct sk_buff *skb_ppdu = NULL, *tmp; + struct ieee80211_rx_status *rx_status; + + if (curr > RTW89_MAX_PPDU_CNT) + return; + + skb_queue_walk_safe(&rtwdev->ppdu_sts.rx_queue[band], skb_ppdu, tmp) { + skb_unlink(skb_ppdu, &rtwdev->ppdu_sts.rx_queue[band]); + rx_status = IEEE80211_SKB_RXCB(skb_ppdu); + if (rtw89_core_rx_ppdu_match(rtwdev, desc_info, rx_status)) + rtw89_chip_query_ppdu(rtwdev, phy_ppdu, rx_status); + rtw89_correct_cck_chan(rtwdev, rx_status); + rtw89_core_rx_to_mac80211(rtwdev, phy_ppdu, desc_info, skb_ppdu, rx_status); + } +} + +static void rtw89_core_rx_process_ppdu_sts(struct rtw89_dev *rtwdev, + struct rtw89_rx_desc_info *desc_info, + struct sk_buff *skb) +{ + struct rtw89_rx_phy_ppdu phy_ppdu = {.buf = skb->data, .valid = false, + .len = skb->len, + .to_self = desc_info->addr1_match, + .rate = desc_info->data_rate, + .mac_id = desc_info->mac_id, + .phy_idx = desc_info->bb_sel}; + int ret; + + if (desc_info->mac_info_valid) { + ret = rtw89_core_rx_process_mac_ppdu(rtwdev, skb, &phy_ppdu); + if (ret) + goto out; + } + + ret = rtw89_core_rx_process_phy_ppdu(rtwdev, &phy_ppdu); + if (ret) + goto out; + + rtw89_core_rx_process_phy_sts(rtwdev, &phy_ppdu); + +out: + rtw89_core_rx_pending_skb(rtwdev, &phy_ppdu, desc_info, skb); + dev_kfree_skb_any(skb); +} + +static void rtw89_core_rx_process_report(struct rtw89_dev *rtwdev, + struct rtw89_rx_desc_info *desc_info, + struct sk_buff *skb) +{ + switch (desc_info->pkt_type) { + case RTW89_CORE_RX_TYPE_C2H: + rtw89_fw_c2h_irqsafe(rtwdev, skb); + break; + case RTW89_CORE_RX_TYPE_PPDU_STAT: + rtw89_core_rx_process_ppdu_sts(rtwdev, desc_info, skb); + break; + default: + rtw89_debug(rtwdev, RTW89_DBG_TXRX, "unhandled pkt_type=%d\n", + desc_info->pkt_type); + dev_kfree_skb_any(skb); + break; + } +} + +void rtw89_core_query_rxdesc(struct rtw89_dev *rtwdev, + struct rtw89_rx_desc_info *desc_info, + u8 *data, u32 data_offset) +{ + const struct rtw89_chip_info *chip = rtwdev->chip; + struct rtw89_rxdesc_short *rxd_s; + struct rtw89_rxdesc_long *rxd_l; + u8 shift_len, drv_info_len; + + rxd_s = (struct rtw89_rxdesc_short *)(data + data_offset); + desc_info->pkt_size = le32_get_bits(rxd_s->dword0, AX_RXD_RPKT_LEN_MASK); + desc_info->drv_info_size = le32_get_bits(rxd_s->dword0, AX_RXD_DRV_INFO_SIZE_MASK); + desc_info->long_rxdesc = le32_get_bits(rxd_s->dword0, AX_RXD_LONG_RXD); + desc_info->pkt_type = le32_get_bits(rxd_s->dword0, AX_RXD_RPKT_TYPE_MASK); + desc_info->mac_info_valid = le32_get_bits(rxd_s->dword0, AX_RXD_MAC_INFO_VLD); + if (chip->chip_id == RTL8852C) + desc_info->bw = le32_get_bits(rxd_s->dword1, AX_RXD_BW_v1_MASK); + else + desc_info->bw = le32_get_bits(rxd_s->dword1, AX_RXD_BW_MASK); + desc_info->data_rate = le32_get_bits(rxd_s->dword1, AX_RXD_RX_DATARATE_MASK); + desc_info->gi_ltf = le32_get_bits(rxd_s->dword1, AX_RXD_RX_GI_LTF_MASK); + desc_info->user_id = le32_get_bits(rxd_s->dword1, AX_RXD_USER_ID_MASK); + desc_info->sr_en = le32_get_bits(rxd_s->dword1, AX_RXD_SR_EN); + desc_info->ppdu_cnt = le32_get_bits(rxd_s->dword1, AX_RXD_PPDU_CNT_MASK); + desc_info->ppdu_type = le32_get_bits(rxd_s->dword1, AX_RXD_PPDU_TYPE_MASK); + desc_info->free_run_cnt = le32_get_bits(rxd_s->dword2, AX_RXD_FREERUN_CNT_MASK); + desc_info->icv_err = le32_get_bits(rxd_s->dword3, AX_RXD_ICV_ERR); + desc_info->crc32_err = le32_get_bits(rxd_s->dword3, AX_RXD_CRC32_ERR); + desc_info->hw_dec = le32_get_bits(rxd_s->dword3, AX_RXD_HW_DEC); + desc_info->sw_dec = le32_get_bits(rxd_s->dword3, AX_RXD_SW_DEC); + desc_info->addr1_match = le32_get_bits(rxd_s->dword3, AX_RXD_A1_MATCH); + + shift_len = desc_info->shift << 1; /* 2-byte unit */ + drv_info_len = desc_info->drv_info_size << 3; /* 8-byte unit */ + desc_info->offset = data_offset + shift_len + drv_info_len; + if (desc_info->long_rxdesc) + desc_info->rxd_len = sizeof(struct rtw89_rxdesc_long); + else + desc_info->rxd_len = sizeof(struct rtw89_rxdesc_short); + desc_info->ready = true; + + if (!desc_info->long_rxdesc) + return; + + rxd_l = (struct rtw89_rxdesc_long *)(data + data_offset); + desc_info->frame_type = le32_get_bits(rxd_l->dword4, AX_RXD_TYPE_MASK); + desc_info->addr_cam_valid = le32_get_bits(rxd_l->dword5, AX_RXD_ADDR_CAM_VLD); + desc_info->addr_cam_id = le32_get_bits(rxd_l->dword5, AX_RXD_ADDR_CAM_MASK); + desc_info->sec_cam_id = le32_get_bits(rxd_l->dword5, AX_RXD_SEC_CAM_IDX_MASK); + desc_info->mac_id = le32_get_bits(rxd_l->dword5, AX_RXD_MAC_ID_MASK); + desc_info->rx_pl_id = le32_get_bits(rxd_l->dword5, AX_RXD_RX_PL_ID_MASK); +} +EXPORT_SYMBOL(rtw89_core_query_rxdesc); + +void rtw89_core_query_rxdesc_v2(struct rtw89_dev *rtwdev, + struct rtw89_rx_desc_info *desc_info, + u8 *data, u32 data_offset) +{ + struct rtw89_rxdesc_phy_rpt_v2 *rxd_rpt; + struct rtw89_rxdesc_short_v2 *rxd_s; + struct rtw89_rxdesc_long_v2 *rxd_l; + u16 shift_len, drv_info_len, phy_rtp_len, hdr_cnv_len; + + rxd_s = (struct rtw89_rxdesc_short_v2 *)(data + data_offset); + + desc_info->pkt_size = le32_get_bits(rxd_s->dword0, BE_RXD_RPKT_LEN_MASK); + desc_info->drv_info_size = le32_get_bits(rxd_s->dword0, BE_RXD_DRV_INFO_SZ_MASK); + desc_info->phy_rpt_size = le32_get_bits(rxd_s->dword0, BE_RXD_PHY_RPT_SZ_MASK); + desc_info->hdr_cnv_size = le32_get_bits(rxd_s->dword0, BE_RXD_HDR_CNV_SZ_MASK); + desc_info->shift = le32_get_bits(rxd_s->dword0, BE_RXD_SHIFT_MASK); + desc_info->long_rxdesc = le32_get_bits(rxd_s->dword0, BE_RXD_LONG_RXD); + desc_info->pkt_type = le32_get_bits(rxd_s->dword0, BE_RXD_RPKT_TYPE_MASK); + desc_info->bb_sel = le32_get_bits(rxd_s->dword0, BE_RXD_BB_SEL); + if (desc_info->pkt_type == RTW89_CORE_RX_TYPE_PPDU_STAT) + desc_info->mac_info_valid = true; + + desc_info->frame_type = le32_get_bits(rxd_s->dword2, BE_RXD_TYPE_MASK); + desc_info->mac_id = le32_get_bits(rxd_s->dword2, BE_RXD_MAC_ID_MASK); + desc_info->addr_cam_valid = le32_get_bits(rxd_s->dword2, BE_RXD_ADDR_CAM_VLD); + + desc_info->icv_err = le32_get_bits(rxd_s->dword3, BE_RXD_ICV_ERR); + desc_info->crc32_err = le32_get_bits(rxd_s->dword3, BE_RXD_CRC32_ERR); + desc_info->hw_dec = le32_get_bits(rxd_s->dword3, BE_RXD_HW_DEC); + desc_info->sw_dec = le32_get_bits(rxd_s->dword3, BE_RXD_SW_DEC); + desc_info->addr1_match = le32_get_bits(rxd_s->dword3, BE_RXD_A1_MATCH); + + desc_info->bw = le32_get_bits(rxd_s->dword4, BE_RXD_BW_MASK); + desc_info->data_rate = le32_get_bits(rxd_s->dword4, BE_RXD_RX_DATARATE_MASK); + desc_info->gi_ltf = le32_get_bits(rxd_s->dword4, BE_RXD_RX_GI_LTF_MASK); + desc_info->ppdu_cnt = le32_get_bits(rxd_s->dword4, BE_RXD_PPDU_CNT_MASK); + desc_info->ppdu_type = le32_get_bits(rxd_s->dword4, BE_RXD_PPDU_TYPE_MASK); + + desc_info->free_run_cnt = le32_to_cpu(rxd_s->dword5); + + shift_len = desc_info->shift << 1; /* 2-byte unit */ + drv_info_len = desc_info->drv_info_size << 3; /* 8-byte unit */ + phy_rtp_len = desc_info->phy_rpt_size << 3; /* 8-byte unit */ + hdr_cnv_len = desc_info->hdr_cnv_size << 4; /* 16-byte unit */ + desc_info->offset = data_offset + shift_len + drv_info_len + + phy_rtp_len + hdr_cnv_len; + + if (desc_info->long_rxdesc) + desc_info->rxd_len = sizeof(struct rtw89_rxdesc_long_v2); + else + desc_info->rxd_len = sizeof(struct rtw89_rxdesc_short_v2); + desc_info->ready = true; + + if (phy_rtp_len == sizeof(*rxd_rpt)) { + rxd_rpt = (struct rtw89_rxdesc_phy_rpt_v2 *)(data + data_offset + + desc_info->rxd_len); + desc_info->rssi = le32_get_bits(rxd_rpt->dword0, BE_RXD_PHY_RSSI); + } + + if (!desc_info->long_rxdesc) + return; + + rxd_l = (struct rtw89_rxdesc_long_v2 *)(data + data_offset); + + desc_info->sr_en = le32_get_bits(rxd_l->dword6, BE_RXD_SR_EN); + desc_info->user_id = le32_get_bits(rxd_l->dword6, BE_RXD_USER_ID_MASK); + desc_info->addr_cam_id = le32_get_bits(rxd_l->dword6, BE_RXD_ADDR_CAM_MASK); + desc_info->sec_cam_id = le32_get_bits(rxd_l->dword6, BE_RXD_SEC_CAM_IDX_MASK); + + desc_info->rx_pl_id = le32_get_bits(rxd_l->dword7, BE_RXD_RX_PL_ID_MASK); +} +EXPORT_SYMBOL(rtw89_core_query_rxdesc_v2); + +struct rtw89_core_iter_rx_status { + struct rtw89_dev *rtwdev; + struct ieee80211_rx_status *rx_status; + struct rtw89_rx_desc_info *desc_info; + u8 mac_id; +}; + +static +void rtw89_core_stats_sta_rx_status_iter(void *data, struct ieee80211_sta *sta) +{ + struct rtw89_core_iter_rx_status *iter_data = + (struct rtw89_core_iter_rx_status *)data; + struct ieee80211_rx_status *rx_status = iter_data->rx_status; + struct rtw89_rx_desc_info *desc_info = iter_data->desc_info; + struct rtw89_sta *rtwsta = sta_to_rtwsta(sta); + struct rtw89_sta_link *rtwsta_link; + u8 mac_id = iter_data->mac_id; + + rtwsta_link = rtw89_sta_get_link_inst(rtwsta, desc_info->bb_sel); + if (unlikely(!rtwsta_link)) + return; + + if (mac_id != rtwsta_link->mac_id) + return; + + rtwsta_link->rx_status = *rx_status; + rtwsta_link->rx_hw_rate = desc_info->data_rate; +} + +static void rtw89_core_stats_sta_rx_status(struct rtw89_dev *rtwdev, + struct rtw89_rx_desc_info *desc_info, + struct ieee80211_rx_status *rx_status) +{ + struct rtw89_core_iter_rx_status iter_data; + + if (!desc_info->addr1_match || !desc_info->long_rxdesc) + return; + + if (desc_info->frame_type != RTW89_RX_TYPE_DATA) + return; + + iter_data.rtwdev = rtwdev; + iter_data.rx_status = rx_status; + iter_data.desc_info = desc_info; + iter_data.mac_id = desc_info->mac_id; + ieee80211_iterate_stations_atomic(rtwdev->hw, + rtw89_core_stats_sta_rx_status_iter, + &iter_data); +} + +static void rtw89_core_update_rx_status(struct rtw89_dev *rtwdev, + struct sk_buff *skb, + struct rtw89_rx_desc_info *desc_info, + struct ieee80211_rx_status *rx_status) +{ + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + const struct cfg80211_chan_def *chandef = + rtw89_chandef_get(rtwdev, RTW89_CHANCTX_0); + u16 data_rate; + u8 data_rate_mode; + bool eht = false; + u8 gi; + + /* currently using single PHY */ + rx_status->freq = chandef->chan->center_freq; + rx_status->band = chandef->chan->band; + + if (ieee80211_is_beacon(hdr->frame_control) || + ieee80211_is_probe_resp(hdr->frame_control)) + rx_status->boottime_ns = ktime_get_boottime_ns(); + + if (rtwdev->scanning && + RTW89_CHK_FW_FEATURE(SCAN_OFFLOAD, &rtwdev->fw)) { + const struct rtw89_chan *cur = rtw89_scan_chan_get(rtwdev); + u8 chan = cur->primary_channel; + u8 band = cur->band_type; + enum nl80211_band nl_band; + + nl_band = rtw89_hw_to_nl80211_band(band); + rx_status->freq = ieee80211_channel_to_frequency(chan, nl_band); + rx_status->band = nl_band; + } + + if (desc_info->icv_err || desc_info->crc32_err) + rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; + + if (desc_info->hw_dec && + !(desc_info->sw_dec || desc_info->icv_err)) + rx_status->flag |= RX_FLAG_DECRYPTED; + + rx_status->bw = rtw89_hw_to_rate_info_bw(desc_info->bw); + + data_rate = desc_info->data_rate; + data_rate_mode = rtw89_get_data_rate_mode(rtwdev, data_rate); + if (data_rate_mode == DATA_RATE_MODE_NON_HT) { + rx_status->encoding = RX_ENC_LEGACY; + rx_status->rate_idx = rtw89_get_data_not_ht_idx(rtwdev, data_rate); + /* convert rate_idx after we get the correct band */ + } else if (data_rate_mode == DATA_RATE_MODE_HT) { + rx_status->encoding = RX_ENC_HT; + rx_status->rate_idx = rtw89_get_data_ht_mcs(rtwdev, data_rate); + if (desc_info->gi_ltf) + rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI; + } else if (data_rate_mode == DATA_RATE_MODE_VHT) { + rx_status->encoding = RX_ENC_VHT; + rx_status->rate_idx = rtw89_get_data_mcs(rtwdev, data_rate); + rx_status->nss = rtw89_get_data_nss(rtwdev, data_rate) + 1; + if (desc_info->gi_ltf) + rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI; + } else if (data_rate_mode == DATA_RATE_MODE_HE) { + rx_status->encoding = RX_ENC_HE; + rx_status->rate_idx = rtw89_get_data_mcs(rtwdev, data_rate); + rx_status->nss = rtw89_get_data_nss(rtwdev, data_rate) + 1; + } else if (data_rate_mode == DATA_RATE_MODE_EHT) { + rx_status->encoding = RX_ENC_EHT; + rx_status->rate_idx = rtw89_get_data_mcs(rtwdev, data_rate); + rx_status->nss = rtw89_get_data_nss(rtwdev, data_rate) + 1; + eht = true; + } else { + rtw89_warn(rtwdev, "invalid RX rate mode %d\n", data_rate_mode); + } + + /* he_gi is used to match ppdu, so we always fill it. */ + gi = rtw89_rxdesc_to_nl_he_eht_gi(rtwdev, desc_info->gi_ltf, true, eht); + if (eht) + rx_status->eht.gi = gi; + else + rx_status->he_gi = gi; + rx_status->flag |= RX_FLAG_MACTIME_START; + rx_status->mactime = desc_info->free_run_cnt; + + rtw89_chip_phy_rpt_to_rssi(rtwdev, desc_info, rx_status); + rtw89_core_stats_sta_rx_status(rtwdev, desc_info, rx_status); +} + +static enum rtw89_ps_mode rtw89_update_ps_mode(struct rtw89_dev *rtwdev) +{ + const struct rtw89_chip_info *chip = rtwdev->chip; + + if (rtwdev->hci.type != RTW89_HCI_TYPE_PCIE) + return RTW89_PS_MODE_NONE; + + if (rtw89_disable_ps_mode || !chip->ps_mode_supported || + RTW89_CHK_FW_FEATURE(NO_DEEP_PS, &rtwdev->fw)) + return RTW89_PS_MODE_NONE; + + if ((chip->ps_mode_supported & BIT(RTW89_PS_MODE_PWR_GATED)) && + !RTW89_CHK_FW_FEATURE(NO_LPS_PG, &rtwdev->fw)) + return RTW89_PS_MODE_PWR_GATED; + + if (chip->ps_mode_supported & BIT(RTW89_PS_MODE_CLK_GATED)) + return RTW89_PS_MODE_CLK_GATED; + + if (chip->ps_mode_supported & BIT(RTW89_PS_MODE_RFOFF)) + return RTW89_PS_MODE_RFOFF; + + return RTW89_PS_MODE_NONE; +} + +static void rtw89_core_flush_ppdu_rx_queue(struct rtw89_dev *rtwdev, + struct rtw89_rx_desc_info *desc_info) +{ + struct rtw89_ppdu_sts_info *ppdu_sts = &rtwdev->ppdu_sts; + u8 band = desc_info->bb_sel ? RTW89_PHY_1 : RTW89_PHY_0; + struct ieee80211_rx_status *rx_status; + struct sk_buff *skb_ppdu, *tmp; + + skb_queue_walk_safe(&ppdu_sts->rx_queue[band], skb_ppdu, tmp) { + skb_unlink(skb_ppdu, &ppdu_sts->rx_queue[band]); + rx_status = IEEE80211_SKB_RXCB(skb_ppdu); + rtw89_core_rx_to_mac80211(rtwdev, NULL, desc_info, skb_ppdu, rx_status); + } +} + +static +void rtw89_core_rx_pkt_hdl(struct rtw89_dev *rtwdev, const struct sk_buff *skb, + const struct rtw89_rx_desc_info *desc) +{ + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + struct rtw89_sta_link *rtwsta_link; + struct ieee80211_sta *sta; + struct rtw89_sta *rtwsta; + u8 macid = desc->mac_id; + + if (!refcount_read(&rtwdev->refcount_ap_info)) + return; + + rcu_read_lock(); + + rtwsta_link = rtw89_assoc_link_rcu_dereference(rtwdev, macid); + if (!rtwsta_link) + goto out; + + rtwsta = rtwsta_link->rtwsta; + if (!test_bit(RTW89_REMOTE_STA_IN_PS, rtwsta->flags)) + goto out; + + sta = rtwsta_to_sta(rtwsta); + if (ieee80211_is_pspoll(hdr->frame_control)) + ieee80211_sta_pspoll(sta); + else if (ieee80211_has_pm(hdr->frame_control) && + (ieee80211_is_data_qos(hdr->frame_control) || + ieee80211_is_qos_nullfunc(hdr->frame_control))) + ieee80211_sta_uapsd_trigger(sta, ieee80211_get_tid(hdr)); + +out: + rcu_read_unlock(); +} + +void rtw89_core_rx(struct rtw89_dev *rtwdev, + struct rtw89_rx_desc_info *desc_info, + struct sk_buff *skb) +{ + struct ieee80211_rx_status *rx_status; + struct rtw89_ppdu_sts_info *ppdu_sts = &rtwdev->ppdu_sts; + u8 ppdu_cnt = desc_info->ppdu_cnt; + u8 band = desc_info->bb_sel ? RTW89_PHY_1 : RTW89_PHY_0; + + if (desc_info->pkt_type != RTW89_CORE_RX_TYPE_WIFI) { + rtw89_core_rx_process_report(rtwdev, desc_info, skb); + return; + } + + if (ppdu_sts->curr_rx_ppdu_cnt[band] != ppdu_cnt) { + rtw89_core_flush_ppdu_rx_queue(rtwdev, desc_info); + ppdu_sts->curr_rx_ppdu_cnt[band] = ppdu_cnt; + } + + rx_status = IEEE80211_SKB_RXCB(skb); + memset(rx_status, 0, sizeof(*rx_status)); + rtw89_core_update_rx_status(rtwdev, skb, desc_info, rx_status); + rtw89_core_rx_pkt_hdl(rtwdev, skb, desc_info); + if (desc_info->long_rxdesc && + BIT(desc_info->frame_type) & PPDU_FILTER_BITMAP) + skb_queue_tail(&ppdu_sts->rx_queue[band], skb); + else + rtw89_core_rx_to_mac80211(rtwdev, NULL, desc_info, skb, rx_status); +} +EXPORT_SYMBOL(rtw89_core_rx); + +void rtw89_core_napi_start(struct rtw89_dev *rtwdev) +{ + if (test_and_set_bit(RTW89_FLAG_NAPI_RUNNING, rtwdev->flags)) + return; + + napi_enable(&rtwdev->napi); +} +EXPORT_SYMBOL(rtw89_core_napi_start); + +void rtw89_core_napi_stop(struct rtw89_dev *rtwdev) +{ + if (!test_and_clear_bit(RTW89_FLAG_NAPI_RUNNING, rtwdev->flags)) + return; + + napi_synchronize(&rtwdev->napi); + napi_disable(&rtwdev->napi); +} +EXPORT_SYMBOL(rtw89_core_napi_stop); + +int rtw89_core_napi_init(struct rtw89_dev *rtwdev) +{ + rtwdev->netdev = alloc_netdev_dummy(0); + if (!rtwdev->netdev) + return -ENOMEM; + + netif_napi_add(rtwdev->netdev, &rtwdev->napi, + rtwdev->hci.ops->napi_poll); + return 0; +} +EXPORT_SYMBOL(rtw89_core_napi_init); + +void rtw89_core_napi_deinit(struct rtw89_dev *rtwdev) +{ + rtw89_core_napi_stop(rtwdev); + netif_napi_del(&rtwdev->napi); + free_netdev(rtwdev->netdev); +} +EXPORT_SYMBOL(rtw89_core_napi_deinit); + +static void rtw89_core_ba_work(struct work_struct *work) +{ + struct rtw89_dev *rtwdev = + container_of(work, struct rtw89_dev, ba_work); + struct rtw89_txq *rtwtxq, *tmp; + int ret; + + spin_lock_bh(&rtwdev->ba_lock); + list_for_each_entry_safe(rtwtxq, tmp, &rtwdev->ba_list, list) { + struct ieee80211_txq *txq = rtw89_txq_to_txq(rtwtxq); + struct ieee80211_sta *sta = txq->sta; + struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta); + u8 tid = txq->tid; + + if (!sta) { + rtw89_warn(rtwdev, "cannot start BA without sta\n"); + goto skip_ba_work; + } + + if (rtwsta->disassoc) { + rtw89_debug(rtwdev, RTW89_DBG_TXRX, + "cannot start BA with disassoc sta\n"); + goto skip_ba_work; + } + + ret = ieee80211_start_tx_ba_session(sta, tid, 0); + if (ret) { + rtw89_debug(rtwdev, RTW89_DBG_TXRX, + "failed to setup BA session for %pM:%2d: %d\n", + sta->addr, tid, ret); + if (ret == -EINVAL) + set_bit(RTW89_TXQ_F_BLOCK_BA, &rtwtxq->flags); + } +skip_ba_work: + list_del_init(&rtwtxq->list); + } + spin_unlock_bh(&rtwdev->ba_lock); +} + +void rtw89_core_free_sta_pending_ba(struct rtw89_dev *rtwdev, + struct ieee80211_sta *sta) +{ + struct rtw89_txq *rtwtxq, *tmp; + + spin_lock_bh(&rtwdev->ba_lock); + list_for_each_entry_safe(rtwtxq, tmp, &rtwdev->ba_list, list) { + struct ieee80211_txq *txq = rtw89_txq_to_txq(rtwtxq); + + if (sta == txq->sta) + list_del_init(&rtwtxq->list); + } + spin_unlock_bh(&rtwdev->ba_lock); +} + +void rtw89_core_free_sta_pending_forbid_ba(struct rtw89_dev *rtwdev, + struct ieee80211_sta *sta) +{ + struct rtw89_txq *rtwtxq, *tmp; + + spin_lock_bh(&rtwdev->ba_lock); + list_for_each_entry_safe(rtwtxq, tmp, &rtwdev->forbid_ba_list, list) { + struct ieee80211_txq *txq = rtw89_txq_to_txq(rtwtxq); + + if (sta == txq->sta) { + clear_bit(RTW89_TXQ_F_FORBID_BA, &rtwtxq->flags); + list_del_init(&rtwtxq->list); + } + } + spin_unlock_bh(&rtwdev->ba_lock); +} + +void rtw89_core_free_sta_pending_roc_tx(struct rtw89_dev *rtwdev, + struct ieee80211_sta *sta) +{ + struct rtw89_sta *rtwsta = sta_to_rtwsta(sta); + struct sk_buff *skb; + + while ((skb = skb_dequeue(&rtwsta->roc_queue))) + dev_kfree_skb_any(skb); +} + +static void rtw89_core_stop_tx_ba_session(struct rtw89_dev *rtwdev, + struct rtw89_txq *rtwtxq) +{ + struct ieee80211_txq *txq = rtw89_txq_to_txq(rtwtxq); + struct ieee80211_sta *sta = txq->sta; + struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta); + + if (unlikely(!rtwsta) || unlikely(rtwsta->disassoc)) + return; + + if (!test_bit(RTW89_TXQ_F_AMPDU, &rtwtxq->flags) || + test_bit(RTW89_TXQ_F_FORBID_BA, &rtwtxq->flags)) + return; + + spin_lock_bh(&rtwdev->ba_lock); + if (!test_and_set_bit(RTW89_TXQ_F_FORBID_BA, &rtwtxq->flags)) + list_add_tail(&rtwtxq->list, &rtwdev->forbid_ba_list); + spin_unlock_bh(&rtwdev->ba_lock); + + ieee80211_stop_tx_ba_session(sta, txq->tid); + cancel_delayed_work(&rtwdev->forbid_ba_work); + ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->forbid_ba_work, + RTW89_FORBID_BA_TIMER); +} + +static void rtw89_core_txq_check_agg(struct rtw89_dev *rtwdev, + struct rtw89_txq *rtwtxq, + struct sk_buff *skb) +{ + struct ieee80211_hw *hw = rtwdev->hw; + struct ieee80211_txq *txq = rtw89_txq_to_txq(rtwtxq); + struct ieee80211_sta *sta = txq->sta; + struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta); + + if (test_bit(RTW89_TXQ_F_FORBID_BA, &rtwtxq->flags)) + return; + + if (unlikely(skb->protocol == cpu_to_be16(ETH_P_PAE))) { + rtw89_core_stop_tx_ba_session(rtwdev, rtwtxq); + return; + } + + if (unlikely(!sta)) + return; + + if (unlikely(test_bit(RTW89_TXQ_F_BLOCK_BA, &rtwtxq->flags))) + return; + + if (test_bit(RTW89_TXQ_F_AMPDU, &rtwtxq->flags)) { + IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_AMPDU; + return; + } + + spin_lock_bh(&rtwdev->ba_lock); + if (!rtwsta->disassoc && list_empty(&rtwtxq->list)) { + list_add_tail(&rtwtxq->list, &rtwdev->ba_list); + ieee80211_queue_work(hw, &rtwdev->ba_work); + } + spin_unlock_bh(&rtwdev->ba_lock); +} + +static void rtw89_core_txq_push(struct rtw89_dev *rtwdev, + struct rtw89_txq *rtwtxq, + unsigned long frame_cnt, + unsigned long byte_cnt) +{ + struct ieee80211_txq *txq = rtw89_txq_to_txq(rtwtxq); + struct ieee80211_vif *vif = txq->vif; + struct ieee80211_sta *sta = txq->sta; + struct sk_buff *skb; + unsigned long i; + int ret; + + rcu_read_lock(); + for (i = 0; i < frame_cnt; i++) { + skb = ieee80211_tx_dequeue_ni(rtwdev->hw, txq); + if (!skb) { + rtw89_debug(rtwdev, RTW89_DBG_TXRX, "dequeue a NULL skb\n"); + goto out; + } + rtw89_core_txq_check_agg(rtwdev, rtwtxq, skb); + ret = rtw89_core_tx_write(rtwdev, vif, sta, skb, NULL); + if (ret) { + rtw89_err(rtwdev, "failed to push txq: %d\n", ret); + ieee80211_free_txskb(rtwdev->hw, skb); + break; + } + } +out: + rcu_read_unlock(); +} + +static u32 rtw89_check_and_reclaim_tx_resource(struct rtw89_dev *rtwdev, u8 tid) +{ + u8 qsel, ch_dma; + + qsel = rtw89_core_get_qsel(rtwdev, tid); + ch_dma = rtw89_chip_get_ch_dma(rtwdev, qsel); + + return rtw89_hci_check_and_reclaim_tx_resource(rtwdev, ch_dma); +} + +static bool rtw89_core_txq_agg_wait(struct rtw89_dev *rtwdev, + struct ieee80211_txq *txq, + unsigned long *frame_cnt, + bool *sched_txq, bool *reinvoke) +{ + struct rtw89_txq *rtwtxq = (struct rtw89_txq *)txq->drv_priv; + struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(txq->sta); + struct rtw89_sta_link *rtwsta_link; + + if (!rtwsta) + return false; + + rtwsta_link = rtw89_get_designated_link(rtwsta); + if (unlikely(!rtwsta_link)) { + rtw89_err(rtwdev, "agg wait: find no designated link\n"); + return false; + } + + if (rtwsta_link->max_agg_wait <= 0) + return false; + + if (rtwdev->stats.tx_tfc_lv <= RTW89_TFC_MID) + return false; + + if (*frame_cnt > 1) { + *frame_cnt -= 1; + *sched_txq = true; + *reinvoke = true; + rtwtxq->wait_cnt = 1; + return false; + } + + if (*frame_cnt == 1 && rtwtxq->wait_cnt < rtwsta_link->max_agg_wait) { + *reinvoke = true; + rtwtxq->wait_cnt++; + return true; + } + + rtwtxq->wait_cnt = 0; + return false; +} + +static void rtw89_core_txq_schedule(struct rtw89_dev *rtwdev, u8 ac, bool *reinvoke) +{ + struct ieee80211_hw *hw = rtwdev->hw; + struct ieee80211_txq *txq; + struct rtw89_vif *rtwvif; + struct rtw89_txq *rtwtxq; + unsigned long frame_cnt; + unsigned long byte_cnt; + u32 tx_resource; + bool sched_txq; + + ieee80211_txq_schedule_start(hw, ac); + while ((txq = ieee80211_next_txq(hw, ac))) { + rtwtxq = (struct rtw89_txq *)txq->drv_priv; + rtwvif = vif_to_rtwvif(txq->vif); + + if (rtwvif->offchan) { + ieee80211_return_txq(hw, txq, true); + continue; + } + tx_resource = rtw89_check_and_reclaim_tx_resource(rtwdev, txq->tid); + sched_txq = false; + + ieee80211_txq_get_depth(txq, &frame_cnt, &byte_cnt); + if (rtw89_core_txq_agg_wait(rtwdev, txq, &frame_cnt, &sched_txq, reinvoke)) { + ieee80211_return_txq(hw, txq, true); + continue; + } + frame_cnt = min_t(unsigned long, frame_cnt, tx_resource); + rtw89_core_txq_push(rtwdev, rtwtxq, frame_cnt, byte_cnt); + ieee80211_return_txq(hw, txq, sched_txq); + if (frame_cnt != 0) + rtw89_core_tx_kick_off(rtwdev, rtw89_core_get_qsel(rtwdev, txq->tid)); + + /* bound of tx_resource could get stuck due to burst traffic */ + if (frame_cnt == tx_resource) + *reinvoke = true; + } + ieee80211_txq_schedule_end(hw, ac); +} + +static void rtw89_ips_work(struct wiphy *wiphy, struct wiphy_work *work) +{ + struct rtw89_dev *rtwdev = container_of(work, struct rtw89_dev, + ips_work); + + lockdep_assert_wiphy(wiphy); + + rtw89_enter_ips_by_hwflags(rtwdev); +} + +static void rtw89_core_txq_work(struct work_struct *w) +{ + struct rtw89_dev *rtwdev = container_of(w, struct rtw89_dev, txq_work); + bool reinvoke = false; + u8 ac; + + for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) + rtw89_core_txq_schedule(rtwdev, ac, &reinvoke); + + if (reinvoke) { + /* reinvoke to process the last frame */ + mod_delayed_work(rtwdev->txq_wq, &rtwdev->txq_reinvoke_work, 1); + } +} + +static void rtw89_core_txq_reinvoke_work(struct work_struct *w) +{ + struct rtw89_dev *rtwdev = container_of(w, struct rtw89_dev, + txq_reinvoke_work.work); + + queue_work(rtwdev->txq_wq, &rtwdev->txq_work); +} + +static void rtw89_forbid_ba_work(struct work_struct *w) +{ + struct rtw89_dev *rtwdev = container_of(w, struct rtw89_dev, + forbid_ba_work.work); + struct rtw89_txq *rtwtxq, *tmp; + + spin_lock_bh(&rtwdev->ba_lock); + list_for_each_entry_safe(rtwtxq, tmp, &rtwdev->forbid_ba_list, list) { + clear_bit(RTW89_TXQ_F_FORBID_BA, &rtwtxq->flags); + list_del_init(&rtwtxq->list); + } + spin_unlock_bh(&rtwdev->ba_lock); +} + +static void rtw89_core_sta_pending_tx_iter(void *data, + struct ieee80211_sta *sta) +{ + struct rtw89_sta *rtwsta = sta_to_rtwsta(sta); + struct rtw89_dev *rtwdev = rtwsta->rtwdev; + struct rtw89_vif *rtwvif = rtwsta->rtwvif; + struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); + struct rtw89_vif_link *target = data; + struct rtw89_vif_link *rtwvif_link; + unsigned int link_id; + struct sk_buff *skb; + int qsel, ret; + + rtw89_vif_for_each_link(rtwvif, rtwvif_link, link_id) + if (rtwvif_link->chanctx_idx == target->chanctx_idx) + goto bottom; + + return; + +bottom: + if (skb_queue_len(&rtwsta->roc_queue) == 0) + return; + + while ((skb = skb_dequeue(&rtwsta->roc_queue))) { + ret = rtw89_core_tx_write(rtwdev, vif, sta, skb, &qsel); + if (ret) { + rtw89_warn(rtwdev, "pending tx failed with %d\n", ret); + dev_kfree_skb_any(skb); + } else { + rtw89_core_tx_kick_off(rtwdev, qsel); + } + } +} + +static void rtw89_core_handle_sta_pending_tx(struct rtw89_dev *rtwdev, + struct rtw89_vif_link *rtwvif_link) +{ + ieee80211_iterate_stations_atomic(rtwdev->hw, + rtw89_core_sta_pending_tx_iter, + rtwvif_link); +} + +int rtw89_core_send_nullfunc(struct rtw89_dev *rtwdev, struct rtw89_vif_link *rtwvif_link, + bool qos, bool ps, int timeout) +{ + struct ieee80211_vif *vif = rtwvif_link_to_vif(rtwvif_link); + int link_id = ieee80211_vif_is_mld(vif) ? rtwvif_link->link_id : -1; + struct rtw89_sta_link *rtwsta_link; + struct rtw89_tx_wait_info *wait; + struct ieee80211_sta *sta; + struct ieee80211_hdr *hdr; + struct rtw89_sta *rtwsta; + struct sk_buff *skb; + int ret, qsel; + + if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc) + return 0; + + wait = kzalloc(sizeof(*wait), GFP_KERNEL); + if (!wait) + return -ENOMEM; + + init_completion(&wait->completion); + + rcu_read_lock(); + sta = ieee80211_find_sta(vif, vif->cfg.ap_addr); + if (!sta) { + ret = -EINVAL; + goto out; + } + rtwsta = sta_to_rtwsta(sta); + + skb = ieee80211_nullfunc_get(rtwdev->hw, vif, link_id, qos); + if (!skb) { + ret = -ENOMEM; + goto out; + } + + wait->skb = skb; + + hdr = (struct ieee80211_hdr *)skb->data; + if (ps) + hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM); + + rtwsta_link = rtwsta->links[rtwvif_link->link_id]; + if (unlikely(!rtwsta_link)) { + ret = -ENOLINK; + dev_kfree_skb_any(skb); + goto out; + } + + ret = rtw89_core_tx_write_link(rtwdev, rtwvif_link, rtwsta_link, skb, &qsel, true, + wait); + if (ret) { + rtw89_warn(rtwdev, "nullfunc transmit failed: %d\n", ret); + dev_kfree_skb_any(skb); + goto out; + } + + rcu_read_unlock(); + + return rtw89_core_tx_kick_off_and_wait(rtwdev, skb, wait, qsel, + timeout); +out: + rcu_read_unlock(); + kfree(wait); + + return ret; +} + +void rtw89_roc_start(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif) +{ + const struct rtw89_mac_gen_def *mac = rtwdev->chip->mac_def; + struct rtw89_chanctx_pause_parm pause_parm = { + .rsn = RTW89_CHANCTX_PAUSE_REASON_ROC, + }; + struct ieee80211_hw *hw = rtwdev->hw; + struct rtw89_roc *roc = &rtwvif->roc; + struct rtw89_vif_link *rtwvif_link; + struct cfg80211_chan_def roc_chan; + struct rtw89_vif *tmp_vif; + u32 reg; + int ret; + + lockdep_assert_wiphy(hw->wiphy); + + rtw89_leave_ips_by_hwflags(rtwdev); + rtw89_leave_lps(rtwdev); + + rtwvif_link = rtw89_get_designated_link(rtwvif); + if (unlikely(!rtwvif_link)) { + rtw89_err(rtwdev, "roc start: find no designated link\n"); + return; + } + + roc->link_id = rtwvif_link->link_id; + + pause_parm.trigger = rtwvif_link; + rtw89_chanctx_pause(rtwdev, &pause_parm); + + ret = rtw89_core_send_nullfunc(rtwdev, rtwvif_link, true, true, + RTW89_ROC_TX_TIMEOUT); + if (ret) + rtw89_debug(rtwdev, RTW89_DBG_TXRX, + "roc send null-1 failed: %d\n", ret); + + rtw89_for_each_rtwvif(rtwdev, tmp_vif) { + struct rtw89_vif_link *tmp_link; + unsigned int link_id; + + rtw89_vif_for_each_link(tmp_vif, tmp_link, link_id) { + if (tmp_link->chanctx_idx == rtwvif_link->chanctx_idx) { + tmp_vif->offchan = true; + break; + } + } + } + + cfg80211_chandef_create(&roc_chan, &roc->chan, NL80211_CHAN_NO_HT); + rtw89_config_roc_chandef(rtwdev, rtwvif_link, &roc_chan); + rtw89_set_channel(rtwdev); + + reg = rtw89_mac_reg_by_idx(rtwdev, mac->rx_fltr, rtwvif_link->mac_idx); + rtw89_write32_clr(rtwdev, reg, B_AX_A_UC_CAM_MATCH | B_AX_A_BC_CAM_MATCH); + + ieee80211_ready_on_channel(hw); + wiphy_delayed_work_cancel(hw->wiphy, &rtwvif->roc.roc_work); + wiphy_delayed_work_queue(hw->wiphy, &rtwvif->roc.roc_work, + msecs_to_jiffies(rtwvif->roc.duration)); +} + +void rtw89_roc_end(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif) +{ + struct ieee80211_hw *hw = rtwdev->hw; + struct rtw89_roc *roc = &rtwvif->roc; + struct rtw89_vif_link *rtwvif_link; + struct rtw89_vif *tmp_vif; + int ret; + + lockdep_assert_wiphy(hw->wiphy); + + ieee80211_remain_on_channel_expired(hw); + + rtw89_leave_ips_by_hwflags(rtwdev); + rtw89_leave_lps(rtwdev); + + rtwvif_link = rtwvif->links[roc->link_id]; + if (unlikely(!rtwvif_link)) { + rtw89_err(rtwdev, "roc end: find no link (link id %u)\n", + roc->link_id); + return; + } + + rtw89_mac_set_rx_fltr(rtwdev, rtwvif_link->mac_idx, rtwdev->hal.rx_fltr); + + roc->state = RTW89_ROC_IDLE; + rtw89_config_roc_chandef(rtwdev, rtwvif_link, NULL); + rtw89_chanctx_proceed(rtwdev, NULL); + ret = rtw89_core_send_nullfunc(rtwdev, rtwvif_link, true, false, + RTW89_ROC_TX_TIMEOUT); + if (ret) + rtw89_debug(rtwdev, RTW89_DBG_TXRX, + "roc send null-0 failed: %d\n", ret); + + rtw89_for_each_rtwvif(rtwdev, tmp_vif) + tmp_vif->offchan = false; + + rtw89_core_handle_sta_pending_tx(rtwdev, rtwvif_link); + queue_work(rtwdev->txq_wq, &rtwdev->txq_work); + + if (hw->conf.flags & IEEE80211_CONF_IDLE) + wiphy_delayed_work_queue(hw->wiphy, &roc->roc_work, + msecs_to_jiffies(RTW89_ROC_IDLE_TIMEOUT)); +} + +void rtw89_roc_work(struct wiphy *wiphy, struct wiphy_work *work) +{ + struct rtw89_vif *rtwvif = container_of(work, struct rtw89_vif, + roc.roc_work.work); + struct rtw89_dev *rtwdev = rtwvif->rtwdev; + struct rtw89_roc *roc = &rtwvif->roc; + + lockdep_assert_wiphy(wiphy); + + switch (roc->state) { + case RTW89_ROC_IDLE: + rtw89_enter_ips_by_hwflags(rtwdev); + break; + case RTW89_ROC_MGMT: + case RTW89_ROC_NORMAL: + rtw89_roc_end(rtwdev, rtwvif); + break; + default: + break; + } +} + +static enum rtw89_tfc_lv rtw89_get_traffic_level(struct rtw89_dev *rtwdev, + u32 throughput, u64 cnt, + enum rtw89_tfc_interval interval) +{ + u64 cnt_level; + + switch (interval) { + default: + case RTW89_TFC_INTERVAL_100MS: + cnt_level = 5; + break; + case RTW89_TFC_INTERVAL_2SEC: + cnt_level = 100; + break; + } + + if (cnt < cnt_level) + return RTW89_TFC_IDLE; + if (throughput > 50) + return RTW89_TFC_HIGH; + if (throughput > 10) + return RTW89_TFC_MID; + if (throughput > 2) + return RTW89_TFC_LOW; + return RTW89_TFC_ULTRA_LOW; +} + +static bool rtw89_traffic_stats_calc(struct rtw89_dev *rtwdev, + struct rtw89_traffic_stats *stats, + enum rtw89_tfc_interval interval) +{ + enum rtw89_tfc_lv tx_tfc_lv = stats->tx_tfc_lv; + enum rtw89_tfc_lv rx_tfc_lv = stats->rx_tfc_lv; + + stats->tx_throughput_raw = rtw89_bytes_to_mbps(stats->tx_unicast, interval); + stats->rx_throughput_raw = rtw89_bytes_to_mbps(stats->rx_unicast, interval); + + ewma_tp_add(&stats->tx_ewma_tp, stats->tx_throughput_raw); + ewma_tp_add(&stats->rx_ewma_tp, stats->rx_throughput_raw); + + stats->tx_throughput = ewma_tp_read(&stats->tx_ewma_tp); + stats->rx_throughput = ewma_tp_read(&stats->rx_ewma_tp); + stats->tx_tfc_lv = rtw89_get_traffic_level(rtwdev, stats->tx_throughput, + stats->tx_cnt, interval); + stats->rx_tfc_lv = rtw89_get_traffic_level(rtwdev, stats->rx_throughput, + stats->rx_cnt, interval); + stats->tx_avg_len = stats->tx_cnt ? + DIV_ROUND_DOWN_ULL(stats->tx_unicast, stats->tx_cnt) : 0; + stats->rx_avg_len = stats->rx_cnt ? + DIV_ROUND_DOWN_ULL(stats->rx_unicast, stats->rx_cnt) : 0; + + stats->tx_unicast = 0; + stats->rx_unicast = 0; + stats->tx_cnt = 0; + stats->rx_cnt = 0; + stats->rx_tf_periodic = stats->rx_tf_acc; + stats->rx_tf_acc = 0; + + if (tx_tfc_lv != stats->tx_tfc_lv || rx_tfc_lv != stats->rx_tfc_lv) + return true; + + return false; +} + +static bool rtw89_traffic_stats_track(struct rtw89_dev *rtwdev) +{ + struct rtw89_vif_link *rtwvif_link; + struct rtw89_vif *rtwvif; + unsigned int link_id; + bool tfc_changed; + + tfc_changed = rtw89_traffic_stats_calc(rtwdev, &rtwdev->stats, + RTW89_TFC_INTERVAL_2SEC); + + rtw89_for_each_rtwvif(rtwdev, rtwvif) { + rtw89_traffic_stats_calc(rtwdev, &rtwvif->stats, + RTW89_TFC_INTERVAL_2SEC); + + rtw89_vif_for_each_link(rtwvif, rtwvif_link, link_id) + rtw89_fw_h2c_tp_offload(rtwdev, rtwvif_link); + } + + return tfc_changed; +} + +static void rtw89_enter_lps_track(struct rtw89_dev *rtwdev) +{ + struct ieee80211_vif *vif; + struct rtw89_vif *rtwvif; + + rtw89_for_each_rtwvif(rtwdev, rtwvif) { + if (rtwvif->tdls_peer) + continue; + if (rtwvif->offchan) + continue; + + if (rtwvif->stats_ps.tx_tfc_lv >= RTW89_TFC_MID || + rtwvif->stats_ps.rx_tfc_lv >= RTW89_TFC_MID) + continue; + + vif = rtwvif_to_vif(rtwvif); + + if (!(vif->type == NL80211_IFTYPE_STATION || + vif->type == NL80211_IFTYPE_P2P_CLIENT)) + continue; + + if (!rtw89_core_bcn_track_can_lps(rtwdev)) + continue; + + rtw89_enter_lps(rtwdev, rtwvif, true); + } +} + +static void rtw89_core_rfk_track(struct rtw89_dev *rtwdev) +{ + enum rtw89_entity_mode mode; + + mode = rtw89_get_entity_mode(rtwdev); + if (mode == RTW89_ENTITY_MODE_MCC) + return; + + rtw89_chip_rfk_track(rtwdev); +} + +void rtw89_core_update_p2p_ps(struct rtw89_dev *rtwdev, + struct rtw89_vif_link *rtwvif_link, + struct ieee80211_bss_conf *bss_conf) +{ + enum rtw89_entity_mode mode = rtw89_get_entity_mode(rtwdev); + + if (mode == RTW89_ENTITY_MODE_MCC) + rtw89_queue_chanctx_change(rtwdev, RTW89_CHANCTX_P2P_PS_CHANGE); + else + rtw89_process_p2p_ps(rtwdev, rtwvif_link, bss_conf); +} + +void rtw89_traffic_stats_init(struct rtw89_dev *rtwdev, + struct rtw89_traffic_stats *stats) +{ + stats->tx_unicast = 0; + stats->rx_unicast = 0; + stats->tx_cnt = 0; + stats->rx_cnt = 0; + ewma_tp_init(&stats->tx_ewma_tp); + ewma_tp_init(&stats->rx_ewma_tp); +} + +#define RTW89_MLSR_GOTO_2GHZ_THRESHOLD -53 +#define RTW89_MLSR_EXIT_2GHZ_THRESHOLD -38 +static void rtw89_core_mlsr_link_decision(struct rtw89_dev *rtwdev, + struct rtw89_vif *rtwvif) +{ + unsigned int sel_link_id = IEEE80211_MLD_MAX_NUM_LINKS; + struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); + struct rtw89_vif_link *rtwvif_link; + const struct rtw89_chan *chan; + unsigned long usable_links; + unsigned int link_id; + u8 decided_bands; + u8 rssi; + + rssi = ewma_rssi_read(&rtwdev->phystat.bcn_rssi); + if (unlikely(!rssi)) + return; + + if (RTW89_RSSI_RAW_TO_DBM(rssi) >= RTW89_MLSR_EXIT_2GHZ_THRESHOLD) + decided_bands = BIT(RTW89_BAND_5G) | BIT(RTW89_BAND_6G); + else if (RTW89_RSSI_RAW_TO_DBM(rssi) <= RTW89_MLSR_GOTO_2GHZ_THRESHOLD) + decided_bands = BIT(RTW89_BAND_2G); + else + return; + + usable_links = ieee80211_vif_usable_links(vif); + + rtwvif_link = rtw89_get_designated_link(rtwvif); + if (unlikely(!rtwvif_link)) + goto select; + + chan = rtw89_chan_get(rtwdev, rtwvif_link->chanctx_idx); + if (decided_bands & BIT(chan->band_type)) + return; + + usable_links &= ~BIT(rtwvif_link->link_id); + +select: + rcu_read_lock(); + + for_each_set_bit(link_id, &usable_links, IEEE80211_MLD_MAX_NUM_LINKS) { + struct ieee80211_bss_conf *link_conf; + struct ieee80211_channel *channel; + enum rtw89_band band; + + link_conf = rcu_dereference(vif->link_conf[link_id]); + if (unlikely(!link_conf)) + continue; + + channel = link_conf->chanreq.oper.chan; + if (unlikely(!channel)) + continue; + + band = rtw89_nl80211_to_hw_band(channel->band); + if (decided_bands & BIT(band)) { + sel_link_id = link_id; + break; + } + } + + rcu_read_unlock(); + + if (sel_link_id == IEEE80211_MLD_MAX_NUM_LINKS) + return; + + rtw89_core_mlsr_switch(rtwdev, rtwvif, sel_link_id); +} + +static void rtw89_core_mlo_track(struct rtw89_dev *rtwdev) +{ + struct rtw89_hal *hal = &rtwdev->hal; + struct ieee80211_vif *vif; + struct rtw89_vif *rtwvif; + + if (hal->disabled_dm_bitmap & BIT(RTW89_DM_MLO)) + return; + + rtw89_for_each_rtwvif(rtwdev, rtwvif) { + vif = rtwvif_to_vif(rtwvif); + if (!vif->cfg.assoc || !ieee80211_vif_is_mld(vif)) + continue; + + switch (rtwvif->mlo_mode) { + case RTW89_MLO_MODE_MLSR: + rtw89_core_mlsr_link_decision(rtwdev, rtwvif); + break; + default: + break; + } + } +} + +static void rtw89_track_ps_work(struct wiphy *wiphy, struct wiphy_work *work) +{ + struct rtw89_dev *rtwdev = container_of(work, struct rtw89_dev, + track_ps_work.work); + struct rtw89_vif *rtwvif; + + lockdep_assert_wiphy(wiphy); + + if (test_bit(RTW89_FLAG_FORBIDDEN_TRACK_WORK, rtwdev->flags)) + return; + + if (!test_bit(RTW89_FLAG_RUNNING, rtwdev->flags)) + return; + + wiphy_delayed_work_queue(wiphy, &rtwdev->track_ps_work, + RTW89_TRACK_PS_WORK_PERIOD); + + rtw89_for_each_rtwvif(rtwdev, rtwvif) + rtw89_traffic_stats_calc(rtwdev, &rtwvif->stats_ps, + RTW89_TFC_INTERVAL_100MS); + + if (rtwdev->scanning) + return; + + if (rtwdev->lps_enabled && !rtwdev->btc.lps) + rtw89_enter_lps_track(rtwdev); +} + +static void rtw89_track_work(struct wiphy *wiphy, struct wiphy_work *work) +{ + struct rtw89_dev *rtwdev = container_of(work, struct rtw89_dev, + track_work.work); + bool tfc_changed; + + lockdep_assert_wiphy(wiphy); + + if (test_bit(RTW89_FLAG_FORBIDDEN_TRACK_WORK, rtwdev->flags)) + return; + + if (!test_bit(RTW89_FLAG_RUNNING, rtwdev->flags)) + return; + + wiphy_delayed_work_queue(wiphy, &rtwdev->track_work, + RTW89_TRACK_WORK_PERIOD); + + tfc_changed = rtw89_traffic_stats_track(rtwdev); + if (rtwdev->scanning) + return; + + rtw89_leave_lps(rtwdev); + + if (tfc_changed) { + rtw89_hci_recalc_int_mit(rtwdev); + rtw89_btc_ntfy_wl_sta(rtwdev); + } + rtw89_mac_bf_monitor_track(rtwdev); + rtw89_core_bcn_track(rtwdev); + rtw89_phy_stat_track(rtwdev); + rtw89_phy_env_monitor_track(rtwdev); + rtw89_phy_dig(rtwdev); + rtw89_core_rfk_track(rtwdev); + rtw89_phy_ra_update(rtwdev); + rtw89_phy_cfo_track(rtwdev); + rtw89_phy_tx_path_div_track(rtwdev); + rtw89_phy_antdiv_track(rtwdev); + rtw89_phy_ul_tb_ctrl_track(rtwdev); + rtw89_phy_edcca_track(rtwdev); + rtw89_sar_track(rtwdev); + rtw89_chanctx_track(rtwdev); + rtw89_core_rfkill_poll(rtwdev, false); + rtw89_core_mlo_track(rtwdev); + + if (rtwdev->lps_enabled && !rtwdev->btc.lps) + rtw89_enter_lps_track(rtwdev); +} + +u8 rtw89_core_acquire_bit_map(unsigned long *addr, unsigned long size) +{ + unsigned long bit; + + bit = find_first_zero_bit(addr, size); + if (bit < size) + set_bit(bit, addr); + + return bit; +} + +void rtw89_core_release_bit_map(unsigned long *addr, u8 bit) +{ + clear_bit(bit, addr); +} + +void rtw89_core_release_all_bits_map(unsigned long *addr, unsigned int nbits) +{ + bitmap_zero(addr, nbits); +} + +int rtw89_core_acquire_sta_ba_entry(struct rtw89_dev *rtwdev, + struct rtw89_sta_link *rtwsta_link, u8 tid, + u8 *cam_idx) +{ + const struct rtw89_chip_info *chip = rtwdev->chip; + struct rtw89_cam_info *cam_info = &rtwdev->cam_info; + struct rtw89_ba_cam_entry *entry = NULL, *tmp; + u8 idx; + int i; + + lockdep_assert_wiphy(rtwdev->hw->wiphy); + + idx = rtw89_core_acquire_bit_map(cam_info->ba_cam_map, chip->bacam_num); + if (idx == chip->bacam_num) { + /* allocate a static BA CAM to tid=0/5, so replace the existing + * one if BA CAM is full. Hardware will process the original tid + * automatically. + */ + if (tid != 0 && tid != 5) + return -ENOSPC; + + for_each_set_bit(i, cam_info->ba_cam_map, chip->bacam_num) { + tmp = &cam_info->ba_cam_entry[i]; + if (tmp->tid == 0 || tmp->tid == 5) + continue; + + idx = i; + entry = tmp; + list_del(&entry->list); + break; + } + + if (!entry) + return -ENOSPC; + } else { + entry = &cam_info->ba_cam_entry[idx]; + } + + entry->tid = tid; + list_add_tail(&entry->list, &rtwsta_link->ba_cam_list); + + *cam_idx = idx; + + return 0; +} + +int rtw89_core_release_sta_ba_entry(struct rtw89_dev *rtwdev, + struct rtw89_sta_link *rtwsta_link, u8 tid, + u8 *cam_idx) +{ + struct rtw89_cam_info *cam_info = &rtwdev->cam_info; + struct rtw89_ba_cam_entry *entry = NULL, *tmp; + u8 idx; + + lockdep_assert_wiphy(rtwdev->hw->wiphy); + + list_for_each_entry_safe(entry, tmp, &rtwsta_link->ba_cam_list, list) { + if (entry->tid != tid) + continue; + + idx = entry - cam_info->ba_cam_entry; + list_del(&entry->list); + + rtw89_core_release_bit_map(cam_info->ba_cam_map, idx); + *cam_idx = idx; + return 0; + } + + return -ENOENT; +} + +#define RTW89_TYPE_MAPPING(_type) \ + case NL80211_IFTYPE_ ## _type: \ + rtwvif_link->wifi_role = RTW89_WIFI_ROLE_ ## _type; \ + break +void rtw89_vif_type_mapping(struct rtw89_vif_link *rtwvif_link, bool assoc) +{ + const struct ieee80211_vif *vif = rtwvif_link_to_vif(rtwvif_link); + const struct ieee80211_bss_conf *bss_conf; + + switch (vif->type) { + case NL80211_IFTYPE_STATION: + if (vif->p2p) + rtwvif_link->wifi_role = RTW89_WIFI_ROLE_P2P_CLIENT; + else + rtwvif_link->wifi_role = RTW89_WIFI_ROLE_STATION; + break; + case NL80211_IFTYPE_AP: + if (vif->p2p) + rtwvif_link->wifi_role = RTW89_WIFI_ROLE_P2P_GO; + else + rtwvif_link->wifi_role = RTW89_WIFI_ROLE_AP; + break; + RTW89_TYPE_MAPPING(ADHOC); + RTW89_TYPE_MAPPING(MONITOR); + RTW89_TYPE_MAPPING(MESH_POINT); + default: + WARN_ON(1); + break; + } + + switch (vif->type) { + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_MESH_POINT: + rtwvif_link->net_type = RTW89_NET_TYPE_AP_MODE; + rtwvif_link->self_role = RTW89_SELF_ROLE_AP; + break; + case NL80211_IFTYPE_ADHOC: + rtwvif_link->net_type = RTW89_NET_TYPE_AD_HOC; + rtwvif_link->self_role = RTW89_SELF_ROLE_CLIENT; + break; + case NL80211_IFTYPE_STATION: + if (assoc) { + rtwvif_link->net_type = RTW89_NET_TYPE_INFRA; + + rcu_read_lock(); + bss_conf = rtw89_vif_rcu_dereference_link(rtwvif_link, false); + rtwvif_link->trigger = bss_conf->he_support; + rcu_read_unlock(); + } else { + rtwvif_link->net_type = RTW89_NET_TYPE_NO_LINK; + rtwvif_link->trigger = false; + } + rtwvif_link->self_role = RTW89_SELF_ROLE_CLIENT; + rtwvif_link->addr_cam.sec_ent_mode = RTW89_ADDR_CAM_SEC_NORMAL; + break; + case NL80211_IFTYPE_MONITOR: + break; + default: + WARN_ON(1); + break; + } +} + +int rtw89_core_sta_link_add(struct rtw89_dev *rtwdev, + struct rtw89_vif_link *rtwvif_link, + struct rtw89_sta_link *rtwsta_link) +{ + const struct ieee80211_vif *vif = rtwvif_link_to_vif(rtwvif_link); + const struct ieee80211_sta *sta = rtwsta_link_to_sta(rtwsta_link); + struct rtw89_hal *hal = &rtwdev->hal; + u8 ant_num = hal->ant_diversity ? 2 : rtwdev->chip->rf_path_num; + int i; + int ret; + + rtwsta_link->prev_rssi = 0; + INIT_LIST_HEAD(&rtwsta_link->ba_cam_list); + ewma_rssi_init(&rtwsta_link->avg_rssi); + ewma_snr_init(&rtwsta_link->avg_snr); + ewma_evm_init(&rtwsta_link->evm_1ss); + for (i = 0; i < ant_num; i++) { + ewma_rssi_init(&rtwsta_link->rssi[i]); + ewma_evm_init(&rtwsta_link->evm_min[i]); + ewma_evm_init(&rtwsta_link->evm_max[i]); + } + + if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { + /* must do rtw89_reg_6ghz_recalc() before rfk channel */ + ret = rtw89_reg_6ghz_recalc(rtwdev, rtwvif_link, true); + if (ret) + return ret; + + rtw89_btc_ntfy_role_info(rtwdev, rtwvif_link, rtwsta_link, + BTC_ROLE_MSTS_STA_CONN_START); + rtw89_chip_rfk_channel(rtwdev, rtwvif_link); + + if (vif->p2p) { + rtw89_mac_get_tx_retry_limit(rtwdev, rtwsta_link, + &rtwsta_link->tx_retry); + rtw89_mac_set_tx_retry_limit(rtwdev, rtwsta_link, false, 60); + } + rtw89_phy_dig_suspend(rtwdev); + } else if (vif->type == NL80211_IFTYPE_AP || sta->tdls) { + ret = rtw89_mac_set_macid_pause(rtwdev, rtwsta_link->mac_id, false); + if (ret) { + rtw89_warn(rtwdev, "failed to send h2c macid pause\n"); + return ret; + } + + ret = rtw89_fw_h2c_role_maintain(rtwdev, rtwvif_link, rtwsta_link, + RTW89_ROLE_CREATE); + if (ret) { + rtw89_warn(rtwdev, "failed to send h2c role info\n"); + return ret; + } + + ret = rtw89_chip_h2c_default_cmac_tbl(rtwdev, rtwvif_link, rtwsta_link); + if (ret) + return ret; + + ret = rtw89_chip_h2c_default_dmac_tbl(rtwdev, rtwvif_link, rtwsta_link); + if (ret) + return ret; + } + + return 0; +} + +int rtw89_core_sta_link_disassoc(struct rtw89_dev *rtwdev, + struct rtw89_vif_link *rtwvif_link, + struct rtw89_sta_link *rtwsta_link) +{ + const struct ieee80211_vif *vif = rtwvif_link_to_vif(rtwvif_link); + + rtw89_assoc_link_clr(rtwsta_link); + + if (vif->type == NL80211_IFTYPE_STATION) { + rtw89_fw_h2c_set_bcn_fltr_cfg(rtwdev, rtwvif_link, false); + rtw89_core_bcn_track_reset(rtwdev); + } + + if (rtwvif_link->wifi_role == RTW89_WIFI_ROLE_P2P_CLIENT) + rtw89_p2p_noa_once_deinit(rtwvif_link); + + return 0; +} + +int rtw89_core_sta_link_disconnect(struct rtw89_dev *rtwdev, + struct rtw89_vif_link *rtwvif_link, + struct rtw89_sta_link *rtwsta_link) +{ + const struct ieee80211_vif *vif = rtwvif_link_to_vif(rtwvif_link); + const struct ieee80211_sta *sta = rtwsta_link_to_sta(rtwsta_link); + int ret; + + rtw89_mac_bf_monitor_calc(rtwdev, rtwsta_link, true); + rtw89_mac_bf_disassoc(rtwdev, rtwvif_link, rtwsta_link); + + if (vif->type == NL80211_IFTYPE_AP || sta->tdls) + rtw89_cam_deinit_addr_cam(rtwdev, &rtwsta_link->addr_cam); + if (sta->tdls) + rtw89_cam_deinit_bssid_cam(rtwdev, &rtwsta_link->bssid_cam); + + if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { + rtw89_vif_type_mapping(rtwvif_link, false); + rtw89_fw_release_general_pkt_list_vif(rtwdev, rtwvif_link, true); + } + + ret = rtw89_chip_h2c_assoc_cmac_tbl(rtwdev, rtwvif_link, rtwsta_link); + if (ret) { + rtw89_warn(rtwdev, "failed to send h2c cmac table\n"); + return ret; + } + + ret = rtw89_fw_h2c_join_info(rtwdev, rtwvif_link, rtwsta_link, true); + if (ret) { + rtw89_warn(rtwdev, "failed to send h2c join info\n"); + return ret; + } + + /* update cam aid mac_id net_type */ + ret = rtw89_fw_h2c_cam(rtwdev, rtwvif_link, rtwsta_link, NULL, + RTW89_ROLE_CON_DISCONN); + if (ret) { + rtw89_warn(rtwdev, "failed to send h2c cam\n"); + return ret; + } + + return ret; +} + +static bool rtw89_sta_link_can_er(struct rtw89_dev *rtwdev, + struct ieee80211_bss_conf *bss_conf, + struct ieee80211_link_sta *link_sta) +{ + if (!bss_conf->he_support || + bss_conf->he_oper.params & IEEE80211_HE_OPERATION_ER_SU_DISABLE) + return false; + + if (rtwdev->chip->chip_id == RTL8852C && + rtw89_sta_link_has_su_mu_4xhe08(link_sta) && + !rtw89_sta_link_has_er_su_4xhe08(link_sta)) + return false; + + return true; +} + +int rtw89_core_sta_link_assoc(struct rtw89_dev *rtwdev, + struct rtw89_vif_link *rtwvif_link, + struct rtw89_sta_link *rtwsta_link) +{ + const struct ieee80211_vif *vif = rtwvif_link_to_vif(rtwvif_link); + const struct ieee80211_sta *sta = rtwsta_link_to_sta(rtwsta_link); + struct rtw89_bssid_cam_entry *bssid_cam = rtw89_get_bssid_cam_of(rtwvif_link, + rtwsta_link); + const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, + rtwvif_link->chanctx_idx); + struct ieee80211_link_sta *link_sta; + int ret; + + if (vif->type == NL80211_IFTYPE_AP || sta->tdls) { + if (sta->tdls) { + rcu_read_lock(); + + link_sta = rtw89_sta_rcu_dereference_link(rtwsta_link, true); + ret = rtw89_cam_init_bssid_cam(rtwdev, rtwvif_link, bssid_cam, + link_sta->addr); + if (ret) { + rtw89_warn(rtwdev, "failed to send h2c init bssid cam for TDLS\n"); + rcu_read_unlock(); + return ret; + } + + rcu_read_unlock(); + } + + ret = rtw89_cam_init_addr_cam(rtwdev, &rtwsta_link->addr_cam, bssid_cam); + if (ret) { + rtw89_warn(rtwdev, "failed to send h2c init addr cam\n"); + return ret; + } + } + + ret = rtw89_chip_h2c_assoc_cmac_tbl(rtwdev, rtwvif_link, rtwsta_link); + if (ret) { + rtw89_warn(rtwdev, "failed to send h2c cmac table\n"); + return ret; + } + + ret = rtw89_fw_h2c_join_info(rtwdev, rtwvif_link, rtwsta_link, false); + if (ret) { + rtw89_warn(rtwdev, "failed to send h2c join info\n"); + return ret; + } + + /* update cam aid mac_id net_type */ + ret = rtw89_fw_h2c_cam(rtwdev, rtwvif_link, rtwsta_link, NULL, + RTW89_ROLE_CON_DISCONN); + if (ret) { + rtw89_warn(rtwdev, "failed to send h2c cam\n"); + return ret; + } + + rtw89_phy_ra_assoc(rtwdev, rtwsta_link); + rtw89_mac_bf_assoc(rtwdev, rtwvif_link, rtwsta_link); + rtw89_mac_bf_monitor_calc(rtwdev, rtwsta_link, false); + + if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { + struct ieee80211_bss_conf *bss_conf; + + rcu_read_lock(); + + bss_conf = rtw89_vif_rcu_dereference_link(rtwvif_link, true); + link_sta = rtw89_sta_rcu_dereference_link(rtwsta_link, true); + rtwsta_link->er_cap = rtw89_sta_link_can_er(rtwdev, bss_conf, link_sta); + + rcu_read_unlock(); + + rtw89_btc_ntfy_role_info(rtwdev, rtwvif_link, rtwsta_link, + BTC_ROLE_MSTS_STA_CONN_END); + rtw89_core_get_no_ul_ofdma_htc(rtwdev, &rtwsta_link->htc_template, chan); + rtw89_phy_ul_tb_assoc(rtwdev, rtwvif_link); + rtw89_core_bcn_track_assoc(rtwdev, rtwvif_link); + + ret = rtw89_fw_h2c_general_pkt(rtwdev, rtwvif_link, rtwsta_link->mac_id); + if (ret) { + rtw89_warn(rtwdev, "failed to send h2c general packet\n"); + return ret; + } + + rtw89_fw_h2c_set_bcn_fltr_cfg(rtwdev, rtwvif_link, true); + + if (vif->p2p) + rtw89_mac_set_tx_retry_limit(rtwdev, rtwsta_link, false, + rtwsta_link->tx_retry); + rtw89_phy_dig_resume(rtwdev, false); + } + + rtw89_assoc_link_set(rtwsta_link); + return ret; +} + +int rtw89_core_sta_link_remove(struct rtw89_dev *rtwdev, + struct rtw89_vif_link *rtwvif_link, + struct rtw89_sta_link *rtwsta_link) +{ + const struct ieee80211_vif *vif = rtwvif_link_to_vif(rtwvif_link); + const struct ieee80211_sta *sta = rtwsta_link_to_sta(rtwsta_link); + int ret; + + if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { + rtw89_reg_6ghz_recalc(rtwdev, rtwvif_link, false); + rtw89_btc_ntfy_role_info(rtwdev, rtwvif_link, rtwsta_link, + BTC_ROLE_MSTS_STA_DIS_CONN); + + if (vif->p2p) + rtw89_mac_set_tx_retry_limit(rtwdev, rtwsta_link, false, + rtwsta_link->tx_retry); + } else if (vif->type == NL80211_IFTYPE_AP || sta->tdls) { + ret = rtw89_fw_h2c_role_maintain(rtwdev, rtwvif_link, rtwsta_link, + RTW89_ROLE_REMOVE); + if (ret) { + rtw89_warn(rtwdev, "failed to send h2c role info\n"); + return ret; + } + } + + return 0; +} + +static void _rtw89_core_set_tid_config(struct rtw89_dev *rtwdev, + struct ieee80211_sta *sta, + struct cfg80211_tid_cfg *tid_conf) +{ + struct ieee80211_txq *txq; + struct rtw89_txq *rtwtxq; + u32 mask = tid_conf->mask; + u8 tids = tid_conf->tids; + int tids_nbit = BITS_PER_BYTE; + int i; + + for (i = 0; i < tids_nbit; i++, tids >>= 1) { + if (!tids) + break; + + if (!(tids & BIT(0))) + continue; + + txq = sta->txq[i]; + rtwtxq = (struct rtw89_txq *)txq->drv_priv; + + if (mask & BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL)) { + if (tid_conf->ampdu == NL80211_TID_CONFIG_ENABLE) { + clear_bit(RTW89_TXQ_F_FORBID_BA, &rtwtxq->flags); + } else { + if (test_bit(RTW89_TXQ_F_AMPDU, &rtwtxq->flags)) + ieee80211_stop_tx_ba_session(sta, txq->tid); + spin_lock_bh(&rtwdev->ba_lock); + list_del_init(&rtwtxq->list); + set_bit(RTW89_TXQ_F_FORBID_BA, &rtwtxq->flags); + spin_unlock_bh(&rtwdev->ba_lock); + } + } + + if (mask & BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL) && tids == 0xff) { + if (tid_conf->amsdu == NL80211_TID_CONFIG_ENABLE) + sta->max_amsdu_subframes = 0; + else + sta->max_amsdu_subframes = 1; + } + } +} + +void rtw89_core_set_tid_config(struct rtw89_dev *rtwdev, + struct ieee80211_sta *sta, + struct cfg80211_tid_config *tid_config) +{ + int i; + + for (i = 0; i < tid_config->n_tid_conf; i++) + _rtw89_core_set_tid_config(rtwdev, sta, + &tid_config->tid_conf[i]); +} + +static void rtw89_init_ht_cap(struct rtw89_dev *rtwdev, + struct ieee80211_sta_ht_cap *ht_cap) +{ + static const __le16 highest[RF_PATH_MAX] = { + cpu_to_le16(150), cpu_to_le16(300), cpu_to_le16(450), cpu_to_le16(600), + }; + struct rtw89_hal *hal = &rtwdev->hal; + u8 nss = hal->rx_nss; + int i; + + ht_cap->ht_supported = true; + ht_cap->cap = 0; + ht_cap->cap |= IEEE80211_HT_CAP_SGI_20 | + IEEE80211_HT_CAP_MAX_AMSDU | + IEEE80211_HT_CAP_TX_STBC | + (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT); + ht_cap->cap |= IEEE80211_HT_CAP_LDPC_CODING; + ht_cap->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40 | + IEEE80211_HT_CAP_DSSSCCK40 | + IEEE80211_HT_CAP_SGI_40; + ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; + ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; + ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; + for (i = 0; i < nss; i++) + ht_cap->mcs.rx_mask[i] = 0xFF; + ht_cap->mcs.rx_mask[4] = 0x01; + ht_cap->mcs.rx_highest = highest[nss - 1]; +} + +static void rtw89_init_vht_cap(struct rtw89_dev *rtwdev, + struct ieee80211_sta_vht_cap *vht_cap) +{ + static const __le16 highest_bw80[RF_PATH_MAX] = { + cpu_to_le16(433), cpu_to_le16(867), cpu_to_le16(1300), cpu_to_le16(1733), + }; + static const __le16 highest_bw160[RF_PATH_MAX] = { + cpu_to_le16(867), cpu_to_le16(1733), cpu_to_le16(2600), cpu_to_le16(3467), + }; + const struct rtw89_chip_info *chip = rtwdev->chip; + const __le16 *highest = chip->support_bandwidths & BIT(NL80211_CHAN_WIDTH_160) ? + highest_bw160 : highest_bw80; + struct rtw89_hal *hal = &rtwdev->hal; + u16 tx_mcs_map = 0, rx_mcs_map = 0; + u8 sts_cap = 3; + int i; + + for (i = 0; i < 8; i++) { + if (i < hal->tx_nss) + tx_mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2); + else + tx_mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2); + if (i < hal->rx_nss) + rx_mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2); + else + rx_mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2); + } + + vht_cap->vht_supported = true; + vht_cap->cap = IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | + IEEE80211_VHT_CAP_SHORT_GI_80 | + IEEE80211_VHT_CAP_RXSTBC_1 | + IEEE80211_VHT_CAP_HTC_VHT | + IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK | + 0; + vht_cap->cap |= IEEE80211_VHT_CAP_TXSTBC; + vht_cap->cap |= IEEE80211_VHT_CAP_RXLDPC; + vht_cap->cap |= IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE | + IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE; + vht_cap->cap |= sts_cap << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT; + if (chip->support_bandwidths & BIT(NL80211_CHAN_WIDTH_160)) + vht_cap->cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ | + IEEE80211_VHT_CAP_SHORT_GI_160; + vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(rx_mcs_map); + vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(tx_mcs_map); + vht_cap->vht_mcs.rx_highest = highest[hal->rx_nss - 1]; + vht_cap->vht_mcs.tx_highest = highest[hal->tx_nss - 1]; + + if (ieee80211_hw_check(rtwdev->hw, SUPPORTS_VHT_EXT_NSS_BW)) + vht_cap->vht_mcs.tx_highest |= + cpu_to_le16(IEEE80211_VHT_EXT_NSS_BW_CAPABLE); +} + +static void rtw89_init_he_cap(struct rtw89_dev *rtwdev, + enum nl80211_band band, + enum nl80211_iftype iftype, + struct ieee80211_sband_iftype_data *iftype_data) +{ + const struct rtw89_chip_info *chip = rtwdev->chip; + struct rtw89_hal *hal = &rtwdev->hal; + bool no_ng16 = (chip->chip_id == RTL8852A && hal->cv == CHIP_CBV) || + (chip->chip_id == RTL8852B && hal->cv == CHIP_CAV); + struct ieee80211_sta_he_cap *he_cap; + int nss = hal->rx_nss; + u8 *mac_cap_info; + u8 *phy_cap_info; + u16 mcs_map = 0; + int i; + + for (i = 0; i < 8; i++) { + if (i < nss) + mcs_map |= IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2); + else + mcs_map |= IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2); + } + + he_cap = &iftype_data->he_cap; + mac_cap_info = he_cap->he_cap_elem.mac_cap_info; + phy_cap_info = he_cap->he_cap_elem.phy_cap_info; + + he_cap->has_he = true; + mac_cap_info[0] = IEEE80211_HE_MAC_CAP0_HTC_HE; + if (iftype == NL80211_IFTYPE_STATION) + mac_cap_info[1] = IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US; + mac_cap_info[2] = IEEE80211_HE_MAC_CAP2_ALL_ACK | + IEEE80211_HE_MAC_CAP2_BSR; + mac_cap_info[3] = IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2; + if (iftype == NL80211_IFTYPE_AP) + mac_cap_info[3] |= IEEE80211_HE_MAC_CAP3_OMI_CONTROL; + mac_cap_info[4] = IEEE80211_HE_MAC_CAP4_OPS | + IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU; + if (iftype == NL80211_IFTYPE_STATION) + mac_cap_info[5] = IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX; + if (band == NL80211_BAND_2GHZ) { + phy_cap_info[0] = + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; + } else { + phy_cap_info[0] = + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G; + if (chip->support_bandwidths & BIT(NL80211_CHAN_WIDTH_160)) + phy_cap_info[0] |= IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G; + } + phy_cap_info[1] = IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A | + IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD | + IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US; + phy_cap_info[2] = IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US | + IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ | + IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ | + IEEE80211_HE_PHY_CAP2_DOPPLER_TX; + phy_cap_info[3] = IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM; + if (iftype == NL80211_IFTYPE_STATION) + phy_cap_info[3] |= IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM | + IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2; + if (iftype == NL80211_IFTYPE_AP) + phy_cap_info[3] |= IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU; + phy_cap_info[4] = IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE | + IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4; + if (chip->support_bandwidths & BIT(NL80211_CHAN_WIDTH_160)) + phy_cap_info[4] |= IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4; + phy_cap_info[5] = no_ng16 ? 0 : + IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK | + IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK; + phy_cap_info[6] = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU | + IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU | + IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB | + IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE; + phy_cap_info[7] = IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP | + IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI | + IEEE80211_HE_PHY_CAP7_MAX_NC_1; + phy_cap_info[8] = IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI | + IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI | + IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996; + if (chip->support_bandwidths & BIT(NL80211_CHAN_WIDTH_160)) + phy_cap_info[8] |= IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU | + IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU; + phy_cap_info[9] = IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM | + IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU | + IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB | + IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB | + u8_encode_bits(IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US, + IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); + if (iftype == NL80211_IFTYPE_STATION) + phy_cap_info[9] |= IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU; + he_cap->he_mcs_nss_supp.rx_mcs_80 = cpu_to_le16(mcs_map); + he_cap->he_mcs_nss_supp.tx_mcs_80 = cpu_to_le16(mcs_map); + if (chip->support_bandwidths & BIT(NL80211_CHAN_WIDTH_160)) { + he_cap->he_mcs_nss_supp.rx_mcs_160 = cpu_to_le16(mcs_map); + he_cap->he_mcs_nss_supp.tx_mcs_160 = cpu_to_le16(mcs_map); + } + + if (band == NL80211_BAND_6GHZ) { + __le16 capa; + + capa = le16_encode_bits(IEEE80211_HT_MPDU_DENSITY_NONE, + IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START) | + le16_encode_bits(IEEE80211_VHT_MAX_AMPDU_1024K, + IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP) | + le16_encode_bits(IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454, + IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN); + iftype_data->he_6ghz_capa.capa = capa; + } +} + +static void rtw89_init_eht_cap(struct rtw89_dev *rtwdev, + enum nl80211_band band, + enum nl80211_iftype iftype, + struct ieee80211_sband_iftype_data *iftype_data) +{ + const struct rtw89_chip_info *chip = rtwdev->chip; + struct ieee80211_eht_cap_elem_fixed *eht_cap_elem; + struct ieee80211_eht_mcs_nss_supp *eht_nss; + struct ieee80211_sta_eht_cap *eht_cap; + struct rtw89_hal *hal = &rtwdev->hal; + bool support_mcs_12_13 = true; + bool support_320mhz = false; + u8 val, val_mcs13; + int sts = 8; + + if (chip->chip_gen == RTW89_CHIP_AX) + return; + + if (hal->no_mcs_12_13) + support_mcs_12_13 = false; + + if (band == NL80211_BAND_6GHZ && + chip->support_bandwidths & BIT(NL80211_CHAN_WIDTH_320)) + support_320mhz = true; + + eht_cap = &iftype_data->eht_cap; + eht_cap_elem = &eht_cap->eht_cap_elem; + eht_nss = &eht_cap->eht_mcs_nss_supp; + + eht_cap->has_eht = true; + + eht_cap_elem->mac_cap_info[0] = + u8_encode_bits(IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991, + IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK); + eht_cap_elem->mac_cap_info[1] = 0; + + eht_cap_elem->phy_cap_info[0] = + IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI | + IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE; + if (support_320mhz) + eht_cap_elem->phy_cap_info[0] |= + IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ; + + eht_cap_elem->phy_cap_info[0] |= + u8_encode_bits(u8_get_bits(sts - 1, BIT(0)), + IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK); + eht_cap_elem->phy_cap_info[1] = + u8_encode_bits(u8_get_bits(sts - 1, GENMASK(2, 1)), + IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK) | + u8_encode_bits(sts - 1, + IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK); + if (support_320mhz) + eht_cap_elem->phy_cap_info[1] |= + u8_encode_bits(sts - 1, + IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK); + + eht_cap_elem->phy_cap_info[2] = 0; + + eht_cap_elem->phy_cap_info[3] = + IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK | + IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK | + IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK | + IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK; + + eht_cap_elem->phy_cap_info[4] = + IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP | + u8_encode_bits(1, IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK); + + eht_cap_elem->phy_cap_info[5] = + u8_encode_bits(IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US, + IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK); + + eht_cap_elem->phy_cap_info[6] = 0; + eht_cap_elem->phy_cap_info[7] = 0; + eht_cap_elem->phy_cap_info[8] = 0; + + val = u8_encode_bits(hal->rx_nss, IEEE80211_EHT_MCS_NSS_RX) | + u8_encode_bits(hal->tx_nss, IEEE80211_EHT_MCS_NSS_TX); + val_mcs13 = support_mcs_12_13 ? val : 0; + + eht_nss->bw._80.rx_tx_mcs9_max_nss = val; + eht_nss->bw._80.rx_tx_mcs11_max_nss = val; + eht_nss->bw._80.rx_tx_mcs13_max_nss = val_mcs13; + eht_nss->bw._160.rx_tx_mcs9_max_nss = val; + eht_nss->bw._160.rx_tx_mcs11_max_nss = val; + eht_nss->bw._160.rx_tx_mcs13_max_nss = val_mcs13; + if (support_320mhz) { + eht_nss->bw._320.rx_tx_mcs9_max_nss = val; + eht_nss->bw._320.rx_tx_mcs11_max_nss = val; + eht_nss->bw._320.rx_tx_mcs13_max_nss = val_mcs13; + } +} + +#define RTW89_SBAND_IFTYPES_NR 2 + +static int rtw89_init_he_eht_cap(struct rtw89_dev *rtwdev, + enum nl80211_band band, + struct ieee80211_supported_band *sband) +{ + struct ieee80211_sband_iftype_data *iftype_data; + enum nl80211_iftype iftype; + int idx = 0; + + iftype_data = devm_kcalloc(rtwdev->dev, RTW89_SBAND_IFTYPES_NR, + sizeof(*iftype_data), GFP_KERNEL); + if (!iftype_data) + return -ENOMEM; + + for (iftype = 0; iftype < NUM_NL80211_IFTYPES; iftype++) { + switch (iftype) { + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_AP: + break; + default: + continue; + } + + if (idx >= RTW89_SBAND_IFTYPES_NR) { + rtw89_warn(rtwdev, "run out of iftype_data\n"); + break; + } + + iftype_data[idx].types_mask = BIT(iftype); + + rtw89_init_he_cap(rtwdev, band, iftype, &iftype_data[idx]); + rtw89_init_eht_cap(rtwdev, band, iftype, &iftype_data[idx]); + + idx++; + } + + _ieee80211_set_sband_iftype_data(sband, iftype_data, idx); + return 0; +} + +static struct ieee80211_supported_band * +rtw89_core_sband_dup(struct rtw89_dev *rtwdev, + const struct ieee80211_supported_band *sband) +{ + struct ieee80211_supported_band *dup; + + dup = devm_kmemdup(rtwdev->dev, sband, sizeof(*sband), GFP_KERNEL); + if (!dup) + return NULL; + + dup->channels = devm_kmemdup(rtwdev->dev, sband->channels, + sizeof(*sband->channels) * sband->n_channels, + GFP_KERNEL); + if (!dup->channels) + return NULL; + + dup->bitrates = devm_kmemdup(rtwdev->dev, sband->bitrates, + sizeof(*sband->bitrates) * sband->n_bitrates, + GFP_KERNEL); + if (!dup->bitrates) + return NULL; + + return dup; +} + +static int rtw89_core_set_supported_band(struct rtw89_dev *rtwdev) +{ + struct ieee80211_hw *hw = rtwdev->hw; + struct ieee80211_supported_band *sband; + u8 support_bands = rtwdev->chip->support_bands; + int ret; + + if (support_bands & BIT(NL80211_BAND_2GHZ)) { + sband = rtw89_core_sband_dup(rtwdev, &rtw89_sband_2ghz); + if (!sband) + return -ENOMEM; + rtw89_init_ht_cap(rtwdev, &sband->ht_cap); + ret = rtw89_init_he_eht_cap(rtwdev, NL80211_BAND_2GHZ, sband); + if (ret) + return ret; + hw->wiphy->bands[NL80211_BAND_2GHZ] = sband; + } + + if (support_bands & BIT(NL80211_BAND_5GHZ)) { + sband = rtw89_core_sband_dup(rtwdev, &rtw89_sband_5ghz); + if (!sband) + return -ENOMEM; + rtw89_init_ht_cap(rtwdev, &sband->ht_cap); + rtw89_init_vht_cap(rtwdev, &sband->vht_cap); + ret = rtw89_init_he_eht_cap(rtwdev, NL80211_BAND_5GHZ, sband); + if (ret) + return ret; + hw->wiphy->bands[NL80211_BAND_5GHZ] = sband; + } + + if (support_bands & BIT(NL80211_BAND_6GHZ)) { + sband = rtw89_core_sband_dup(rtwdev, &rtw89_sband_6ghz); + if (!sband) + return -ENOMEM; + ret = rtw89_init_he_eht_cap(rtwdev, NL80211_BAND_6GHZ, sband); + if (ret) + return ret; + hw->wiphy->bands[NL80211_BAND_6GHZ] = sband; + } + + return 0; +} + +static void rtw89_core_ppdu_sts_init(struct rtw89_dev *rtwdev) +{ + int i; + + for (i = 0; i < RTW89_PHY_NUM; i++) + skb_queue_head_init(&rtwdev->ppdu_sts.rx_queue[i]); + for (i = 0; i < RTW89_PHY_NUM; i++) + rtwdev->ppdu_sts.curr_rx_ppdu_cnt[i] = U8_MAX; +} + +void rtw89_core_update_beacon_work(struct wiphy *wiphy, struct wiphy_work *work) +{ + struct rtw89_dev *rtwdev; + struct rtw89_vif_link *rtwvif_link = container_of(work, struct rtw89_vif_link, + update_beacon_work); + + lockdep_assert_wiphy(wiphy); + + if (rtwvif_link->net_type != RTW89_NET_TYPE_AP_MODE) + return; + + rtwdev = rtwvif_link->rtwvif->rtwdev; + + rtw89_chip_h2c_update_beacon(rtwdev, rtwvif_link); +} + +void rtw89_core_csa_beacon_work(struct wiphy *wiphy, struct wiphy_work *work) +{ + struct rtw89_vif_link *rtwvif_link = + container_of(work, struct rtw89_vif_link, csa_beacon_work.work); + struct rtw89_vif *rtwvif = rtwvif_link->rtwvif; + struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); + struct rtw89_dev *rtwdev = rtwvif->rtwdev; + struct ieee80211_bss_conf *bss_conf; + unsigned int delay; + + lockdep_assert_wiphy(wiphy); + + if (rtwvif_link->net_type != RTW89_NET_TYPE_AP_MODE) + return; + + rcu_read_lock(); + + bss_conf = rtw89_vif_rcu_dereference_link(rtwvif_link, true); + if (!bss_conf->csa_active) { + rcu_read_unlock(); + return; + } + + delay = ieee80211_tu_to_usec(bss_conf->beacon_int); + + rcu_read_unlock(); + + if (!ieee80211_beacon_cntdwn_is_complete(vif, rtwvif_link->link_id)) { + rtw89_chip_h2c_update_beacon(rtwdev, rtwvif_link); + + wiphy_delayed_work_queue(wiphy, &rtwvif_link->csa_beacon_work, + usecs_to_jiffies(delay)); + } else { + ieee80211_csa_finish(vif, rtwvif_link->link_id); + } +} + +struct rtw89_wait_response * +rtw89_wait_for_cond_prep(struct rtw89_wait_info *wait, unsigned int cond) +{ + struct rtw89_wait_response *prep; + unsigned int cur; + + /* use -EPERM _iff_ telling eval side not to make any changes */ + + cur = atomic_cmpxchg(&wait->cond, RTW89_WAIT_COND_IDLE, cond); + if (cur != RTW89_WAIT_COND_IDLE) + return ERR_PTR(-EPERM); + + prep = kzalloc(sizeof(*prep), GFP_KERNEL); + if (!prep) + return ERR_PTR(-ENOMEM); + + init_completion(&prep->completion); + + rcu_assign_pointer(wait->resp, prep); + + return prep; +} + +int rtw89_wait_for_cond_eval(struct rtw89_wait_info *wait, + struct rtw89_wait_response *prep, int err) +{ + unsigned long time_left; + + if (IS_ERR(prep)) { + err = err ?: PTR_ERR(prep); + + /* special error case: no permission to reset anything */ + if (PTR_ERR(prep) == -EPERM) + return err; + + goto reset; + } + + if (err) + goto cleanup; + + time_left = wait_for_completion_timeout(&prep->completion, + RTW89_WAIT_FOR_COND_TIMEOUT); + if (time_left == 0) { + err = -ETIMEDOUT; + goto cleanup; + } + + wait->data = prep->data; + +cleanup: + rcu_assign_pointer(wait->resp, NULL); + kfree_rcu(prep, rcu_head); + +reset: + atomic_set(&wait->cond, RTW89_WAIT_COND_IDLE); + + if (err) + return err; + + if (wait->data.err) + return -EFAULT; + + return 0; +} + +static void rtw89_complete_cond_resp(struct rtw89_wait_response *resp, + const struct rtw89_completion_data *data) +{ + resp->data = *data; + complete(&resp->completion); +} + +void rtw89_complete_cond(struct rtw89_wait_info *wait, unsigned int cond, + const struct rtw89_completion_data *data) +{ + struct rtw89_wait_response *resp; + unsigned int cur; + + guard(rcu)(); + + resp = rcu_dereference(wait->resp); + if (!resp) + return; + + cur = atomic_cmpxchg(&wait->cond, cond, RTW89_WAIT_COND_IDLE); + if (cur != cond) + return; + + rtw89_complete_cond_resp(resp, data); +} + +void rtw89_core_ntfy_btc_event(struct rtw89_dev *rtwdev, enum rtw89_btc_hmsg event) +{ + u16 bt_req_len; + + switch (event) { + case RTW89_BTC_HMSG_SET_BT_REQ_SLOT: + bt_req_len = rtw89_coex_query_bt_req_len(rtwdev, RTW89_PHY_0); + rtw89_debug(rtwdev, RTW89_DBG_BTC, + "coex updates BT req len to %d TU\n", bt_req_len); + rtw89_queue_chanctx_change(rtwdev, RTW89_CHANCTX_BT_SLOT_CHANGE); + break; + default: + if (event < NUM_OF_RTW89_BTC_HMSG) + rtw89_debug(rtwdev, RTW89_DBG_BTC, + "unhandled BTC HMSG event: %d\n", event); + else + rtw89_warn(rtwdev, + "unrecognized BTC HMSG event: %d\n", event); + break; + } +} + +void rtw89_check_quirks(struct rtw89_dev *rtwdev, const struct dmi_system_id *quirks) +{ + const struct dmi_system_id *match; + enum rtw89_quirks quirk; + + if (!quirks) + return; + + for (match = dmi_first_match(quirks); match; match = dmi_first_match(match + 1)) { + quirk = (uintptr_t)match->driver_data; + if (quirk >= NUM_OF_RTW89_QUIRKS) + continue; + + set_bit(quirk, rtwdev->quirks); + } +} +EXPORT_SYMBOL(rtw89_check_quirks); + +int rtw89_core_start(struct rtw89_dev *rtwdev) +{ + bool no_bbmcu = !rtwdev->chip->bbmcu_nr; + int ret; + + ret = rtw89_mac_preinit(rtwdev); + if (ret) { + rtw89_err(rtwdev, "mac preinit fail, ret: %d\n", ret); + return ret; + } + + if (no_bbmcu) + rtw89_chip_bb_preinit(rtwdev); + + rtw89_phy_init_bb_afe(rtwdev); + + /* above do preinit before downloading firmware */ + + ret = rtw89_mac_init(rtwdev); + if (ret) { + rtw89_err(rtwdev, "mac init fail, ret:%d\n", ret); + return ret; + } + + rtw89_btc_ntfy_poweron(rtwdev); + + /* efuse process */ + + /* pre-config BB/RF, BB reset/RFC reset */ + ret = rtw89_chip_reset_bb_rf(rtwdev); + if (ret) + return ret; + + rtw89_phy_init_bb_reg(rtwdev); + rtw89_chip_bb_postinit(rtwdev); + rtw89_phy_init_rf_reg(rtwdev, false); + + rtw89_btc_ntfy_init(rtwdev, BTC_MODE_NORMAL); + + rtw89_phy_dm_init(rtwdev); + + rtw89_mac_cfg_ppdu_status_bands(rtwdev, true); + rtw89_mac_cfg_phy_rpt_bands(rtwdev, true); + rtw89_mac_update_rts_threshold(rtwdev); + + ret = rtw89_hci_start(rtwdev); + if (ret) { + rtw89_err(rtwdev, "failed to start hci\n"); + return ret; + } + + wiphy_delayed_work_queue(rtwdev->hw->wiphy, &rtwdev->track_work, + RTW89_TRACK_WORK_PERIOD); + wiphy_delayed_work_queue(rtwdev->hw->wiphy, &rtwdev->track_ps_work, + RTW89_TRACK_PS_WORK_PERIOD); + + set_bit(RTW89_FLAG_RUNNING, rtwdev->flags); + + rtw89_chip_rfk_init_late(rtwdev); + rtw89_btc_ntfy_radio_state(rtwdev, BTC_RFCTRL_WL_ON); + rtw89_fw_h2c_fw_log(rtwdev, rtwdev->fw.log.enable); + rtw89_fw_h2c_init_ba_cam(rtwdev); + rtw89_tas_fw_timer_enable(rtwdev, true); + rtwdev->ps_hang_cnt = 0; + + return 0; +} + +void rtw89_core_stop(struct rtw89_dev *rtwdev) +{ + struct wiphy *wiphy = rtwdev->hw->wiphy; + struct rtw89_btc *btc = &rtwdev->btc; + + lockdep_assert_wiphy(wiphy); + + /* Prvent to stop twice; enter_ips and ops_stop */ + if (!test_bit(RTW89_FLAG_RUNNING, rtwdev->flags)) + return; + + rtw89_tas_fw_timer_enable(rtwdev, false); + rtw89_btc_ntfy_radio_state(rtwdev, BTC_RFCTRL_WL_OFF); + + clear_bit(RTW89_FLAG_RUNNING, rtwdev->flags); + + wiphy_work_cancel(wiphy, &rtwdev->c2h_work); + wiphy_work_cancel(wiphy, &rtwdev->cancel_6ghz_probe_work); + wiphy_work_cancel(wiphy, &btc->eapol_notify_work); + wiphy_work_cancel(wiphy, &btc->arp_notify_work); + wiphy_work_cancel(wiphy, &btc->dhcp_notify_work); + wiphy_work_cancel(wiphy, &btc->icmp_notify_work); + cancel_delayed_work_sync(&rtwdev->txq_reinvoke_work); + wiphy_delayed_work_cancel(wiphy, &rtwdev->tx_wait_work); + wiphy_delayed_work_cancel(wiphy, &rtwdev->track_work); + wiphy_delayed_work_cancel(wiphy, &rtwdev->track_ps_work); + wiphy_delayed_work_cancel(wiphy, &rtwdev->chanctx_work); + wiphy_delayed_work_cancel(wiphy, &rtwdev->coex_act1_work); + wiphy_delayed_work_cancel(wiphy, &rtwdev->coex_bt_devinfo_work); + wiphy_delayed_work_cancel(wiphy, &rtwdev->coex_rfk_chk_work); + wiphy_delayed_work_cancel(wiphy, &rtwdev->cfo_track_work); + wiphy_delayed_work_cancel(wiphy, &rtwdev->mcc_prepare_done_work); + cancel_delayed_work_sync(&rtwdev->forbid_ba_work); + wiphy_delayed_work_cancel(wiphy, &rtwdev->antdiv_work); + + rtw89_btc_ntfy_poweroff(rtwdev); + rtw89_hci_flush_queues(rtwdev, BIT(rtwdev->hw->queues) - 1, true); + rtw89_mac_flush_txq(rtwdev, BIT(rtwdev->hw->queues) - 1, true); + rtw89_hci_stop(rtwdev); + rtw89_hci_deinit(rtwdev); + rtw89_mac_pwr_off(rtwdev); + rtw89_hci_reset(rtwdev); +} + +u8 rtw89_acquire_mac_id(struct rtw89_dev *rtwdev) +{ + const struct rtw89_chip_info *chip = rtwdev->chip; + u8 mac_id_num; + u8 mac_id; + + if (rtwdev->support_mlo) + mac_id_num = chip->support_macid_num / chip->support_link_num; + else + mac_id_num = chip->support_macid_num; + + mac_id = find_first_zero_bit(rtwdev->mac_id_map, mac_id_num); + if (mac_id == mac_id_num) + return RTW89_MAX_MAC_ID_NUM; + + set_bit(mac_id, rtwdev->mac_id_map); + return mac_id; +} + +void rtw89_release_mac_id(struct rtw89_dev *rtwdev, u8 mac_id) +{ + clear_bit(mac_id, rtwdev->mac_id_map); +} + +void rtw89_init_vif(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif, + u8 mac_id, u8 port) +{ + const struct rtw89_chip_info *chip = rtwdev->chip; + u8 support_link_num = chip->support_link_num; + u8 support_mld_num = 0; + unsigned int link_id; + u8 index; + + bitmap_zero(rtwvif->links_inst_map, __RTW89_MLD_MAX_LINK_NUM); + for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) + rtwvif->links[link_id] = NULL; + + rtwvif->rtwdev = rtwdev; + + if (rtwdev->support_mlo) { + rtwvif->links_inst_valid_num = support_link_num; + support_mld_num = chip->support_macid_num / support_link_num; + } else { + rtwvif->links_inst_valid_num = 1; + } + + for (index = 0; index < rtwvif->links_inst_valid_num; index++) { + struct rtw89_vif_link *inst = &rtwvif->links_inst[index]; + + inst->rtwvif = rtwvif; + inst->mac_id = mac_id + index * support_mld_num; + inst->mac_idx = RTW89_MAC_0 + index; + inst->phy_idx = RTW89_PHY_0 + index; + + /* multi-link use the same port id on different HW bands */ + inst->port = port; + } +} + +void rtw89_init_sta(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif, + struct rtw89_sta *rtwsta, u8 mac_id) +{ + const struct rtw89_chip_info *chip = rtwdev->chip; + u8 support_link_num = chip->support_link_num; + u8 support_mld_num = 0; + unsigned int link_id; + u8 index; + + bitmap_zero(rtwsta->links_inst_map, __RTW89_MLD_MAX_LINK_NUM); + for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) + rtwsta->links[link_id] = NULL; + + rtwsta->rtwdev = rtwdev; + rtwsta->rtwvif = rtwvif; + + if (rtwdev->support_mlo) { + rtwsta->links_inst_valid_num = support_link_num; + support_mld_num = chip->support_macid_num / support_link_num; + } else { + rtwsta->links_inst_valid_num = 1; + } + + for (index = 0; index < rtwsta->links_inst_valid_num; index++) { + struct rtw89_sta_link *inst = &rtwsta->links_inst[index]; + + inst->rtwvif_link = &rtwvif->links_inst[index]; + + inst->rtwsta = rtwsta; + inst->mac_id = mac_id + index * support_mld_num; + } +} + +struct rtw89_vif_link *rtw89_vif_set_link(struct rtw89_vif *rtwvif, + unsigned int link_id) +{ + struct rtw89_vif_link *rtwvif_link = rtwvif->links[link_id]; + u8 index; + int ret; + + if (rtwvif_link) + return rtwvif_link; + + index = find_first_zero_bit(rtwvif->links_inst_map, + rtwvif->links_inst_valid_num); + if (index == rtwvif->links_inst_valid_num) { + ret = -EBUSY; + goto err; + } + + rtwvif_link = &rtwvif->links_inst[index]; + rtwvif_link->link_id = link_id; + + set_bit(index, rtwvif->links_inst_map); + rtwvif->links[link_id] = rtwvif_link; + list_add_tail(&rtwvif_link->dlink_schd, &rtwvif->dlink_pool); + return rtwvif_link; + +err: + rtw89_err(rtwvif->rtwdev, "vif (link_id %u) failed to set link: %d\n", + link_id, ret); + return NULL; +} + +void rtw89_vif_unset_link(struct rtw89_vif *rtwvif, unsigned int link_id) +{ + struct rtw89_vif_link **container = &rtwvif->links[link_id]; + struct rtw89_vif_link *link = *container; + u8 index; + + if (!link) + return; + + index = rtw89_vif_link_inst_get_index(link); + clear_bit(index, rtwvif->links_inst_map); + *container = NULL; + list_del(&link->dlink_schd); +} + +struct rtw89_sta_link *rtw89_sta_set_link(struct rtw89_sta *rtwsta, + unsigned int link_id) +{ + struct rtw89_vif *rtwvif = rtwsta->rtwvif; + struct rtw89_vif_link *rtwvif_link = rtwvif->links[link_id]; + struct rtw89_sta_link *rtwsta_link = rtwsta->links[link_id]; + u8 index; + int ret; + + if (rtwsta_link) + return rtwsta_link; + + if (!rtwvif_link) { + ret = -ENOLINK; + goto err; + } + + index = rtw89_vif_link_inst_get_index(rtwvif_link); + if (test_bit(index, rtwsta->links_inst_map)) { + ret = -EBUSY; + goto err; + } + + rtwsta_link = &rtwsta->links_inst[index]; + rtwsta_link->link_id = link_id; + + set_bit(index, rtwsta->links_inst_map); + rtwsta->links[link_id] = rtwsta_link; + list_add_tail(&rtwsta_link->dlink_schd, &rtwsta->dlink_pool); + return rtwsta_link; + +err: + rtw89_err(rtwsta->rtwdev, "sta (link_id %u) failed to set link: %d\n", + link_id, ret); + return NULL; +} + +void rtw89_sta_unset_link(struct rtw89_sta *rtwsta, unsigned int link_id) +{ + struct rtw89_sta_link **container = &rtwsta->links[link_id]; + struct rtw89_sta_link *link = *container; + u8 index; + + if (!link) + return; + + index = rtw89_sta_link_inst_get_index(link); + clear_bit(index, rtwsta->links_inst_map); + *container = NULL; + list_del(&link->dlink_schd); +} + +int rtw89_core_init(struct rtw89_dev *rtwdev) +{ + struct rtw89_btc *btc = &rtwdev->btc; + u8 band; + + INIT_LIST_HEAD(&rtwdev->ba_list); + INIT_LIST_HEAD(&rtwdev->forbid_ba_list); + INIT_LIST_HEAD(&rtwdev->rtwvifs_list); + INIT_LIST_HEAD(&rtwdev->early_h2c_list); + for (band = NL80211_BAND_2GHZ; band < NUM_NL80211_BANDS; band++) { + if (!(rtwdev->chip->support_bands & BIT(band))) + continue; + INIT_LIST_HEAD(&rtwdev->scan_info.pkt_list[band]); + } + INIT_LIST_HEAD(&rtwdev->scan_info.chan_list); + INIT_LIST_HEAD(&rtwdev->tx_waits); + INIT_WORK(&rtwdev->ba_work, rtw89_core_ba_work); + INIT_WORK(&rtwdev->txq_work, rtw89_core_txq_work); + INIT_DELAYED_WORK(&rtwdev->txq_reinvoke_work, rtw89_core_txq_reinvoke_work); + wiphy_delayed_work_init(&rtwdev->track_work, rtw89_track_work); + wiphy_delayed_work_init(&rtwdev->track_ps_work, rtw89_track_ps_work); + wiphy_delayed_work_init(&rtwdev->chanctx_work, rtw89_chanctx_work); + wiphy_delayed_work_init(&rtwdev->coex_act1_work, rtw89_coex_act1_work); + wiphy_delayed_work_init(&rtwdev->coex_bt_devinfo_work, rtw89_coex_bt_devinfo_work); + wiphy_delayed_work_init(&rtwdev->coex_rfk_chk_work, rtw89_coex_rfk_chk_work); + wiphy_delayed_work_init(&rtwdev->cfo_track_work, rtw89_phy_cfo_track_work); + wiphy_delayed_work_init(&rtwdev->mcc_prepare_done_work, rtw89_mcc_prepare_done_work); + wiphy_delayed_work_init(&rtwdev->tx_wait_work, rtw89_tx_wait_work); + INIT_DELAYED_WORK(&rtwdev->forbid_ba_work, rtw89_forbid_ba_work); + wiphy_delayed_work_init(&rtwdev->antdiv_work, rtw89_phy_antdiv_work); + rtwdev->txq_wq = alloc_workqueue("rtw89_tx_wq", WQ_UNBOUND | WQ_HIGHPRI, 0); + if (!rtwdev->txq_wq) + return -ENOMEM; + spin_lock_init(&rtwdev->ba_lock); + spin_lock_init(&rtwdev->rpwm_lock); + mutex_init(&rtwdev->rf_mutex); + rtwdev->total_sta_assoc = 0; + + rtw89_init_wait(&rtwdev->mcc.wait); + rtw89_init_wait(&rtwdev->mlo.wait); + rtw89_init_wait(&rtwdev->mac.fw_ofld_wait); + rtw89_init_wait(&rtwdev->wow.wait); + rtw89_init_wait(&rtwdev->mac.ps_wait); + + wiphy_work_init(&rtwdev->c2h_work, rtw89_fw_c2h_work); + wiphy_work_init(&rtwdev->ips_work, rtw89_ips_work); + wiphy_work_init(&rtwdev->cancel_6ghz_probe_work, rtw89_cancel_6ghz_probe_work); + INIT_WORK(&rtwdev->load_firmware_work, rtw89_load_firmware_work); + + spin_lock_init(&rtwdev->tx_rpt.skb_lock); + skb_queue_head_init(&rtwdev->c2h_queue); + rtw89_core_ppdu_sts_init(rtwdev); + rtw89_traffic_stats_init(rtwdev, &rtwdev->stats); + + rtwdev->hal.rx_fltr = DEFAULT_AX_RX_FLTR; + rtwdev->dbcc_en = false; + rtwdev->mlo_dbcc_mode = MLO_DBCC_NOT_SUPPORT; + rtwdev->mac.qta_mode = RTW89_QTA_SCC; + + if (rtwdev->chip->chip_gen == RTW89_CHIP_BE) { + rtwdev->dbcc_en = true; + rtwdev->mac.qta_mode = RTW89_QTA_DBCC; + rtwdev->mlo_dbcc_mode = MLO_1_PLUS_1_1RF; + } + + rtwdev->bbs[RTW89_PHY_0].phy_idx = RTW89_PHY_0; + rtwdev->bbs[RTW89_PHY_1].phy_idx = RTW89_PHY_1; + + wiphy_work_init(&btc->eapol_notify_work, rtw89_btc_ntfy_eapol_packet_work); + wiphy_work_init(&btc->arp_notify_work, rtw89_btc_ntfy_arp_packet_work); + wiphy_work_init(&btc->dhcp_notify_work, rtw89_btc_ntfy_dhcp_packet_work); + wiphy_work_init(&btc->icmp_notify_work, rtw89_btc_ntfy_icmp_packet_work); + + init_completion(&rtwdev->fw.req.completion); + init_completion(&rtwdev->rfk_wait.completion); + + schedule_work(&rtwdev->load_firmware_work); + + rtw89_ser_init(rtwdev); + rtw89_entity_init(rtwdev); + rtw89_sar_init(rtwdev); + rtw89_phy_ant_gain_init(rtwdev); + + return 0; +} +EXPORT_SYMBOL(rtw89_core_init); + +void rtw89_core_deinit(struct rtw89_dev *rtwdev) +{ + rtw89_ser_deinit(rtwdev); + rtw89_unload_firmware(rtwdev); + __rtw89_fw_free_all_early_h2c(rtwdev); + + destroy_workqueue(rtwdev->txq_wq); + mutex_destroy(&rtwdev->rf_mutex); +} +EXPORT_SYMBOL(rtw89_core_deinit); + +void rtw89_core_scan_start(struct rtw89_dev *rtwdev, struct rtw89_vif_link *rtwvif_link, + const u8 *mac_addr, bool hw_scan) +{ + const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, + rtwvif_link->chanctx_idx); + struct rtw89_bb_ctx *bb = rtw89_get_bb_ctx(rtwdev, rtwvif_link->phy_idx); + + rtwdev->scanning = true; + + ether_addr_copy(rtwvif_link->mac_addr, mac_addr); + rtw89_btc_ntfy_scan_start(rtwdev, rtwvif_link->phy_idx, chan->band_type); + rtw89_chip_rfk_scan(rtwdev, rtwvif_link, true); + rtw89_hci_recalc_int_mit(rtwdev); + rtw89_phy_config_edcca(rtwdev, bb, true); + rtw89_tas_scan(rtwdev, true); + + rtw89_fw_h2c_cam(rtwdev, rtwvif_link, NULL, mac_addr, + RTW89_ROLE_INFO_CHANGE); +} + +void rtw89_core_scan_complete(struct rtw89_dev *rtwdev, + struct rtw89_vif_link *rtwvif_link, bool hw_scan) +{ + struct ieee80211_bss_conf *bss_conf; + struct rtw89_bb_ctx *bb; + int ret; + + if (!rtwvif_link) + return; + + rcu_read_lock(); + + bss_conf = rtw89_vif_rcu_dereference_link(rtwvif_link, true); + ether_addr_copy(rtwvif_link->mac_addr, bss_conf->addr); + + rcu_read_unlock(); + + rtw89_fw_h2c_cam(rtwdev, rtwvif_link, NULL, NULL, + RTW89_ROLE_INFO_CHANGE); + + rtw89_chip_rfk_scan(rtwdev, rtwvif_link, false); + rtw89_btc_ntfy_scan_finish(rtwdev, rtwvif_link->phy_idx); + bb = rtw89_get_bb_ctx(rtwdev, rtwvif_link->phy_idx); + rtw89_phy_config_edcca(rtwdev, bb, false); + rtw89_tas_scan(rtwdev, false); + + if (hw_scan) { + ret = rtw89_core_send_nullfunc(rtwdev, rtwvif_link, false, false, + RTW89_SCAN_NULL_TIMEOUT); + if (ret) + rtw89_debug(rtwdev, RTW89_DBG_TXRX, + "scan send null-0 failed: %d\n", ret); + } + + rtwdev->scanning = false; + rtw89_for_each_active_bb(rtwdev, bb) + bb->dig.bypass_dig = true; + if (hw_scan && (rtwdev->hw->conf.flags & IEEE80211_CONF_IDLE)) + wiphy_work_queue(rtwdev->hw->wiphy, &rtwdev->ips_work); +} + +static void rtw89_read_chip_ver(struct rtw89_dev *rtwdev) +{ + const struct rtw89_chip_info *chip = rtwdev->chip; + int ret; + u8 val; + u8 cv; + + cv = rtw89_read32_mask(rtwdev, R_AX_SYS_CFG1, B_AX_CHIP_VER_MASK); + if (chip->chip_id == RTL8852A && cv <= CHIP_CBV) { + if (rtw89_read32(rtwdev, R_AX_GPIO0_7_FUNC_SEL) == RTW89_R32_DEAD) + cv = CHIP_CAV; + else + cv = CHIP_CBV; + } + + rtwdev->hal.cv = cv; + + if (rtw89_is_rtl885xb(rtwdev)) { + ret = rtw89_mac_read_xtal_si(rtwdev, XTAL_SI_CV, &val); + if (ret) + return; + + rtwdev->hal.acv = u8_get_bits(val, XTAL_SI_ACV_MASK); + } +} + +static void rtw89_core_setup_phycap(struct rtw89_dev *rtwdev) +{ + const struct rtw89_chip_info *chip = rtwdev->chip; + + rtwdev->hal.support_cckpd = + !(rtwdev->chip->chip_id == RTL8852A && rtwdev->hal.cv <= CHIP_CBV) && + !(rtwdev->chip->chip_id == RTL8852B && rtwdev->hal.cv <= CHIP_CAV); + rtwdev->hal.support_igi = + rtwdev->chip->chip_id == RTL8852A && rtwdev->hal.cv <= CHIP_CBV; + + if (test_bit(RTW89_QUIRK_THERMAL_PROT_120C, rtwdev->quirks)) + rtwdev->hal.thermal_prot_th = chip->thermal_th[1]; + else if (test_bit(RTW89_QUIRK_THERMAL_PROT_110C, rtwdev->quirks)) + rtwdev->hal.thermal_prot_th = chip->thermal_th[0]; + else + rtwdev->hal.thermal_prot_th = 0; +} + +static void rtw89_core_setup_rfe_parms(struct rtw89_dev *rtwdev) +{ + const struct rtw89_chip_info *chip = rtwdev->chip; + const struct rtw89_rfe_parms_conf *conf = chip->rfe_parms_conf; + struct rtw89_efuse *efuse = &rtwdev->efuse; + const struct rtw89_rfe_parms *sel; + u8 rfe_type = efuse->rfe_type; + + if (!conf) { + sel = chip->dflt_parms; + goto out; + } + + while (conf->rfe_parms) { + if (rfe_type == conf->rfe_type) { + sel = conf->rfe_parms; + goto out; + } + conf++; + } + + sel = chip->dflt_parms; + +out: + rtwdev->rfe_parms = rtw89_load_rfe_data_from_fw(rtwdev, sel); + rtw89_load_txpwr_table(rtwdev, rtwdev->rfe_parms->byr_tbl); +} + +int rtw89_core_mlsr_switch(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif, + unsigned int link_id) +{ + struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); + u16 usable_links = ieee80211_vif_usable_links(vif); + u16 active_links = vif->active_links; + struct rtw89_vif_link *target; + int ret; + + lockdep_assert_wiphy(rtwdev->hw->wiphy); + + if (unlikely(!ieee80211_vif_is_mld(vif))) + return -EOPNOTSUPP; + + if (unlikely(link_id >= IEEE80211_MLD_MAX_NUM_LINKS || + !(usable_links & BIT(link_id)))) { + rtw89_warn(rtwdev, "%s: link id %u is not usable\n", __func__, + link_id); + return -ENOLINK; + } + + if (active_links == BIT(link_id)) + return 0; + + rtw89_debug(rtwdev, RTW89_DBG_STATE, "%s: switch to link id %u MLSR\n", + __func__, link_id); + + rtw89_leave_lps(rtwdev); + + ieee80211_stop_queues(rtwdev->hw); + flush_work(&rtwdev->txq_work); + + ret = ieee80211_set_active_links(vif, BIT(link_id)); + if (ret) { + rtw89_err(rtwdev, "%s: failed to work on link id %u\n", + __func__, link_id); + goto wake_queue; + } + + target = rtwvif->links[link_id]; + if (unlikely(!target)) { + rtw89_err(rtwdev, "%s: failed to confirm link id %u\n", + __func__, link_id); + + ieee80211_set_active_links(vif, active_links); + ret = -EFAULT; + goto wake_queue; + } + + rtw89_chip_rfk_channel(rtwdev, target); + + rtwvif->mlo_mode = RTW89_MLO_MODE_MLSR; + +wake_queue: + ieee80211_wake_queues(rtwdev->hw); + + return ret; +} + +static int rtw89_chip_efuse_info_setup(struct rtw89_dev *rtwdev) +{ + const struct rtw89_mac_gen_def *mac = rtwdev->chip->mac_def; + int ret; + + ret = rtw89_mac_partial_init(rtwdev, false); + if (ret) + return ret; + + ret = mac->parse_efuse_map(rtwdev); + if (ret) + return ret; + + ret = mac->parse_phycap_map(rtwdev); + if (ret) + return ret; + + ret = rtw89_mac_setup_phycap(rtwdev); + if (ret) + return ret; + + rtw89_core_setup_phycap(rtwdev); + + rtw89_hci_mac_pre_deinit(rtwdev); + + return 0; +} + +static int rtw89_chip_board_info_setup(struct rtw89_dev *rtwdev) +{ + rtw89_chip_fem_setup(rtwdev); + + return 0; +} + +static bool rtw89_chip_has_rfkill(struct rtw89_dev *rtwdev) +{ + return !!rtwdev->chip->rfkill_init; +} + +static void rtw89_core_rfkill_init(struct rtw89_dev *rtwdev) +{ + const struct rtw89_rfkill_regs *regs = rtwdev->chip->rfkill_init; + + rtw89_write16_mask(rtwdev, regs->pinmux.addr, + regs->pinmux.mask, regs->pinmux.data); + rtw89_write16_mask(rtwdev, regs->mode.addr, + regs->mode.mask, regs->mode.data); +} + +static bool rtw89_core_rfkill_get(struct rtw89_dev *rtwdev) +{ + const struct rtw89_reg_def *reg = &rtwdev->chip->rfkill_get; + + return !rtw89_read8_mask(rtwdev, reg->addr, reg->mask); +} + +static void rtw89_rfkill_polling_init(struct rtw89_dev *rtwdev) +{ + if (!rtw89_chip_has_rfkill(rtwdev)) + return; + + rtw89_core_rfkill_init(rtwdev); + rtw89_core_rfkill_poll(rtwdev, true); + wiphy_rfkill_start_polling(rtwdev->hw->wiphy); +} + +static void rtw89_rfkill_polling_deinit(struct rtw89_dev *rtwdev) +{ + if (!rtw89_chip_has_rfkill(rtwdev)) + return; + + wiphy_rfkill_stop_polling(rtwdev->hw->wiphy); +} + +void rtw89_core_rfkill_poll(struct rtw89_dev *rtwdev, bool force) +{ + bool prev, blocked; + + if (!rtw89_chip_has_rfkill(rtwdev)) + return; + + prev = test_bit(RTW89_FLAG_HW_RFKILL_STATE, rtwdev->flags); + blocked = rtw89_core_rfkill_get(rtwdev); + + if (!force && prev == blocked) + return; + + rtw89_info(rtwdev, "rfkill hardware state changed to %s\n", + blocked ? "disable" : "enable"); + + if (blocked) + set_bit(RTW89_FLAG_HW_RFKILL_STATE, rtwdev->flags); + else + clear_bit(RTW89_FLAG_HW_RFKILL_STATE, rtwdev->flags); + + wiphy_rfkill_set_hw_state(rtwdev->hw->wiphy, blocked); +} + +int rtw89_chip_info_setup(struct rtw89_dev *rtwdev) +{ + int ret; + + rtw89_read_chip_ver(rtwdev); + + ret = rtw89_mac_pwr_on(rtwdev); + if (ret) { + rtw89_err(rtwdev, "failed to power on\n"); + return ret; + } + + ret = rtw89_wait_firmware_completion(rtwdev); + if (ret) { + rtw89_err(rtwdev, "failed to wait firmware completion\n"); + goto out; + } + + ret = rtw89_fw_recognize(rtwdev); + if (ret) { + rtw89_err(rtwdev, "failed to recognize firmware\n"); + goto out; + } + + ret = rtw89_chip_efuse_info_setup(rtwdev); + if (ret) + goto out; + + ret = rtw89_fw_recognize_elements(rtwdev); + if (ret) { + rtw89_err(rtwdev, "failed to recognize firmware elements\n"); + goto out; + } + + ret = rtw89_chip_board_info_setup(rtwdev); + if (ret) + goto out; + + rtw89_core_setup_rfe_parms(rtwdev); + rtwdev->ps_mode = rtw89_update_ps_mode(rtwdev); + +out: + rtw89_mac_pwr_off(rtwdev); + + return ret; +} +EXPORT_SYMBOL(rtw89_chip_info_setup); + +void rtw89_chip_cfg_txpwr_ul_tb_offset(struct rtw89_dev *rtwdev, + struct rtw89_vif_link *rtwvif_link) +{ + struct ieee80211_vif *vif = rtwvif_link_to_vif(rtwvif_link); + const struct rtw89_chip_info *chip = rtwdev->chip; + struct ieee80211_bss_conf *bss_conf; + + rcu_read_lock(); + + bss_conf = rtw89_vif_rcu_dereference_link(rtwvif_link, false); + if (!bss_conf->he_support || !vif->cfg.assoc) { + rcu_read_unlock(); + return; + } + + rcu_read_unlock(); + + if (chip->ops->set_txpwr_ul_tb_offset) + chip->ops->set_txpwr_ul_tb_offset(rtwdev, 0, rtwvif_link->mac_idx); +} + +static int rtw89_core_register_hw(struct rtw89_dev *rtwdev) +{ + const struct rtw89_chip_info *chip = rtwdev->chip; + u8 n = rtwdev->support_mlo ? chip->support_link_num : 1; + struct ieee80211_hw *hw = rtwdev->hw; + struct rtw89_efuse *efuse = &rtwdev->efuse; + struct rtw89_hal *hal = &rtwdev->hal; + int ret; + int tx_headroom = IEEE80211_HT_CTL_LEN; + + if (rtwdev->hci.type == RTW89_HCI_TYPE_USB) + tx_headroom += chip->txwd_body_size + chip->txwd_info_size; + + hw->vif_data_size = struct_size_t(struct rtw89_vif, links_inst, n); + hw->sta_data_size = struct_size_t(struct rtw89_sta, links_inst, n); + hw->txq_data_size = sizeof(struct rtw89_txq); + hw->chanctx_data_size = sizeof(struct rtw89_chanctx_cfg); + + SET_IEEE80211_PERM_ADDR(hw, efuse->addr); + + hw->extra_tx_headroom = tx_headroom; + hw->queues = IEEE80211_NUM_ACS; + hw->max_rx_aggregation_subframes = RTW89_MAX_RX_AGG_NUM; + hw->max_tx_aggregation_subframes = RTW89_MAX_TX_AGG_NUM; + hw->uapsd_max_sp_len = IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL; + + hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | + IEEE80211_RADIOTAP_MCS_HAVE_STBC; + hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC; + + ieee80211_hw_set(hw, SIGNAL_DBM); + ieee80211_hw_set(hw, HAS_RATE_CONTROL); + ieee80211_hw_set(hw, MFP_CAPABLE); + ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); + ieee80211_hw_set(hw, AMPDU_AGGREGATION); + ieee80211_hw_set(hw, RX_INCLUDES_FCS); + ieee80211_hw_set(hw, TX_AMSDU); + ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); + ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); + ieee80211_hw_set(hw, SUPPORTS_PS); + ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); + ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); + ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); + ieee80211_hw_set(hw, WANT_MONITOR_VIF); + ieee80211_hw_set(hw, CHANCTX_STA_CSA); + + if (chip->support_bandwidths & BIT(NL80211_CHAN_WIDTH_160)) + ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); + + if (RTW89_CHK_FW_FEATURE(BEACON_FILTER, &rtwdev->fw)) + ieee80211_hw_set(hw, CONNECTION_MONITOR); + + if (RTW89_CHK_FW_FEATURE(NOTIFY_AP_INFO, &rtwdev->fw)) + ieee80211_hw_set(hw, AP_LINK_PS); + + hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_AP) | + BIT(NL80211_IFTYPE_P2P_CLIENT) | + BIT(NL80211_IFTYPE_P2P_GO); + + if (hal->ant_diversity) { + hw->wiphy->available_antennas_tx = 0x3; + hw->wiphy->available_antennas_rx = 0x3; + } else { + hw->wiphy->available_antennas_tx = BIT(rtwdev->chip->rf_path_num) - 1; + hw->wiphy->available_antennas_rx = BIT(rtwdev->chip->rf_path_num) - 1; + } + + hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS | + WIPHY_FLAG_TDLS_EXTERNAL_SETUP | + WIPHY_FLAG_AP_UAPSD | + WIPHY_FLAG_HAS_CHANNEL_SWITCH | + WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK; + + if (!chip->support_rnr) + hw->wiphy->flags |= WIPHY_FLAG_SPLIT_SCAN_6GHZ; + + if (chip->chip_gen == RTW89_CHIP_BE) + hw->wiphy->flags |= WIPHY_FLAG_DISABLE_WEXT; + + if (rtwdev->support_mlo) { + hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_MLO; + hw->wiphy->iftype_ext_capab = rtw89_iftypes_ext_capa; + hw->wiphy->num_iftype_ext_capab = ARRAY_SIZE(rtw89_iftypes_ext_capa); + } + + hw->wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; + + hw->wiphy->max_scan_ssids = RTW89_SCANOFLD_MAX_SSID; + hw->wiphy->max_scan_ie_len = RTW89_SCANOFLD_MAX_IE_LEN; + +#ifdef CONFIG_PM + hw->wiphy->wowlan = rtwdev->chip->wowlan_stub; + hw->wiphy->max_sched_scan_ssids = RTW89_SCANOFLD_MAX_SSID; +#endif + + hw->wiphy->tid_config_support.vif |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL); + hw->wiphy->tid_config_support.peer |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL); + hw->wiphy->tid_config_support.vif |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL); + hw->wiphy->tid_config_support.peer |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL); + hw->wiphy->max_remain_on_channel_duration = 1000; + + wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_CAN_REPLACE_PTK0); + wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_SCAN_RANDOM_SN); + wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_SET_SCAN_DWELL); + + ret = rtw89_core_set_supported_band(rtwdev); + if (ret) { + rtw89_err(rtwdev, "failed to set supported band\n"); + return ret; + } + + ret = rtw89_regd_setup(rtwdev); + if (ret) { + rtw89_err(rtwdev, "failed to set up regd\n"); + return ret; + } + + hw->wiphy->sar_capa = &rtw89_sar_capa; + + ret = ieee80211_register_hw(hw); + if (ret) { + rtw89_err(rtwdev, "failed to register hw\n"); + return ret; + } + + ret = rtw89_regd_init_hint(rtwdev); + if (ret) { + rtw89_err(rtwdev, "failed to init regd\n"); + goto err_unregister_hw; + } + + rtw89_rfkill_polling_init(rtwdev); + + return 0; + +err_unregister_hw: + ieee80211_unregister_hw(hw); + + return ret; +} + +static void rtw89_core_unregister_hw(struct rtw89_dev *rtwdev) +{ + struct ieee80211_hw *hw = rtwdev->hw; + + rtw89_rfkill_polling_deinit(rtwdev); + ieee80211_unregister_hw(hw); +} + +int rtw89_core_register(struct rtw89_dev *rtwdev) +{ + int ret; + + ret = rtw89_core_register_hw(rtwdev); + if (ret) { + rtw89_err(rtwdev, "failed to register core hw\n"); + return ret; + } + + rtw89_phy_dm_init_data(rtwdev); + rtw89_debugfs_init(rtwdev); + + return 0; +} +EXPORT_SYMBOL(rtw89_core_register); + +void rtw89_core_unregister(struct rtw89_dev *rtwdev) +{ + rtw89_core_unregister_hw(rtwdev); + + rtw89_debugfs_deinit(rtwdev); +} +EXPORT_SYMBOL(rtw89_core_unregister); + +struct rtw89_dev *rtw89_alloc_ieee80211_hw(struct device *device, + u32 bus_data_size, + const struct rtw89_chip_info *chip, + const struct rtw89_chip_variant *variant) +{ + struct rtw89_fw_info early_fw = {}; + const struct firmware *firmware; + struct ieee80211_hw *hw; + struct rtw89_dev *rtwdev; + struct ieee80211_ops *ops; + u32 driver_data_size; + int fw_format = -1; + bool support_mlo; + bool no_chanctx; + + firmware = rtw89_early_fw_feature_recognize(device, chip, &early_fw, &fw_format); + + ops = kmemdup(&rtw89_ops, sizeof(rtw89_ops), GFP_KERNEL); + if (!ops) + goto err; + + no_chanctx = chip->support_chanctx_num == 0 || + !RTW89_CHK_FW_FEATURE(SCAN_OFFLOAD, &early_fw) || + !RTW89_CHK_FW_FEATURE(BEACON_FILTER, &early_fw); + + if (no_chanctx) { + ops->add_chanctx = ieee80211_emulate_add_chanctx; + ops->remove_chanctx = ieee80211_emulate_remove_chanctx; + ops->change_chanctx = ieee80211_emulate_change_chanctx; + ops->switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx; + ops->assign_vif_chanctx = NULL; + ops->unassign_vif_chanctx = NULL; + ops->remain_on_channel = NULL; + ops->cancel_remain_on_channel = NULL; + } + + if (!chip->support_noise) + ops->get_survey = NULL; + + driver_data_size = sizeof(struct rtw89_dev) + bus_data_size; + hw = ieee80211_alloc_hw(driver_data_size, ops); + if (!hw) + goto err; + + /* Currently, our AP_LINK_PS handling only works for non-MLD softap + * or MLD-single-link softap. If RTW89_MLD_NON_STA_LINK_NUM enlarges, + * please tweak entire AP_LINKS_PS handling before supporting MLO. + */ + support_mlo = !no_chanctx && chip->support_link_num && + RTW89_CHK_FW_FEATURE(NOTIFY_AP_INFO, &early_fw) && + RTW89_MLD_NON_STA_LINK_NUM == 1; + + hw->wiphy->iface_combinations = rtw89_iface_combs; + + if (no_chanctx || chip->support_chanctx_num == 1) + hw->wiphy->n_iface_combinations = 1; + else + hw->wiphy->n_iface_combinations = ARRAY_SIZE(rtw89_iface_combs); + + rtwdev = hw->priv; + rtwdev->hw = hw; + rtwdev->dev = device; + rtwdev->ops = ops; + rtwdev->chip = chip; + rtwdev->variant = variant; + rtwdev->fw.req.firmware = firmware; + rtwdev->fw.fw_format = fw_format; + rtwdev->support_mlo = support_mlo; + + rtw89_debug(rtwdev, RTW89_DBG_CHAN, "probe driver %s chanctx\n", + no_chanctx ? "without" : "with"); + rtw89_debug(rtwdev, RTW89_DBG_CHAN, "probe driver %s MLO cap\n", + support_mlo ? "with" : "without"); + + return rtwdev; + +err: + kfree(ops); + release_firmware(firmware); + return NULL; +} +EXPORT_SYMBOL(rtw89_alloc_ieee80211_hw); + +void rtw89_free_ieee80211_hw(struct rtw89_dev *rtwdev) +{ + kfree(rtwdev->ops); + kfree(rtwdev->rfe_data); + release_firmware(rtwdev->fw.req.firmware); + ieee80211_free_hw(rtwdev->hw); +} +EXPORT_SYMBOL(rtw89_free_ieee80211_hw); + +MODULE_AUTHOR("Realtek Corporation"); +MODULE_DESCRIPTION("Realtek 802.11ax wireless core module"); +MODULE_LICENSE("Dual BSD/GPL"); |