#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),
.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, \
}
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);
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),
.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),
.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);
}
void rtw89_chip_rfk_channel(struct rtw89_dev *rtwdev,
struct rtw89_vif_link *rtwvif_link)
{
const struct rtw89_chip_info *chip = rtwdev->chip;
bool mon = !!rtwdev->pure_monitor_mode_vif;
bool prehdl_link = false;
if (chip->chip_gen != RTW89_CHIP_AX &&
!RTW89_CHK_FW_FEATURE_GROUP(WITH_RFK_PRE_NOTIFY, &rtwdev->fw) &&
!mon && !rtw89_entity_check_hw(rtwdev, rtwvif_link->phy_idx))
prehdl_link = true;
if (prehdl_link) {
rtw89_entity_force_hw(rtwdev, rtwvif_link->phy_idx);
rtw89_set_channel(rtwdev);
}
if (chip->ops->rfk_channel)
chip->ops->rfk_channel(rtwdev, rtwvif_link);
if (prehdl_link) {
rtw89_entity_force_hw(rtwdev, RTW89_PHY_NUM);
rtw89_set_channel(rtwdev);
}
}
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_any_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;
}
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;
}
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->sw_mld = true;
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;
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;
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->sw_mld = false;
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;
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 (info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS || tx_req->with_wait)
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,
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.with_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);
rcu_assign_pointer(skb_data->wait, wait);
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, 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_body2_v3(struct rtw89_tx_desc_info *desc_info)
{
u32 dword = FIELD_PREP(BE_TXD_BODY2_TID_IND_V1, desc_info->tid_indicate) |
FIELD_PREP(BE_TXD_BODY2_QSEL_V1, 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_MACID_V1, 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_body3_v3(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) |
FIELD_PREP(BE_TXD_BODY3_BK_V1, desc_info->bk);
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_info2_v3(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_V1, desc_info->sec_en) |
FIELD_PREP(BE_TXD_INFO2_SEC_CAM_IDX_V1, desc_info->sec_cam_idx);
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);
void rtw89_core_fill_txdesc_v3(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_v3(desc_info);
txwd_body->dword3 = rtw89_build_txwd_body3_v3(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_v3(desc_info);
txwd_info->dword4 = rtw89_build_txwd_info4_v2(desc_info);
}
EXPORT_SYMBOL(rtw89_core_fill_txdesc_v3);
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;
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;
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;
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;
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);
} 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++;
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);
}
}
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;
bin_idx = min((tbtt - min) / RTW89_BCN_TRACK_BIN_WIDTH,
RTW89_BCN_TRACK_MAX_BIN_NUM - 1);
bins[bin_idx]++;
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;
}
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
#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) {
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 ?: 100;
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 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(bcn_track->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;
if (!bcn_intvl_us)
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, 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;
if (rx_status->rate_idx < RTW89_HW_RATE_OFDM6) {
rx_status->rate_idx = 0;
return;
}
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);
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);
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;
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;
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);
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;
drv_info_len = desc_info->drv_info_size << 3;
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;
drv_info_len = desc_info->drv_info_size << 3;
phy_rtp_len = desc_info->phy_rpt_size << 3;
hdr_cnv_len = desc_info->hdr_cnv_size << 4;
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);
void rtw89_core_query_rxdesc_v3(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_v3 *rxd_s;
struct rtw89_rxdesc_long_v3 *rxd_l;
u16 shift_len, drv_info_len, phy_rtp_len, hdr_cnv_len;
rxd_s = (struct rtw89_rxdesc_short_v3 *)(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_V1);
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;
drv_info_len = desc_info->drv_info_size << 3;
phy_rtp_len = desc_info->phy_rpt_size << 3;
hdr_cnv_len = desc_info->hdr_cnv_size << 4;
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_v3);
else
desc_info->rxd_len = sizeof(struct rtw89_rxdesc_short_v3);
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_v3 *)(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_V1);
desc_info->sec_cam_id = le32_get_bits(rxd_l->dword6, BE_RXD_SEC_CAM_IDX_V1);
desc_info->rx_pl_id = le32_get_bits(rxd_l->dword7, BE_RXD_RX_PL_ID_MASK);
}
EXPORT_SYMBOL(rtw89_core_query_rxdesc_v3);
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;
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);
} 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);
}
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));
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) {
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_obj(*wait);
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, 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) {
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) {
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;
}
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;
}
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 = chip->max_vht_mpdu_cap |
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(chip->max_vht_mpdu_cap,
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 || hal->no_eht)
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(chip->max_eht_mpdu_cap,
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;
cur = atomic_cmpxchg(&wait->cond, RTW89_WAIT_COND_IDLE, cond);
if (cur != RTW89_WAIT_COND_IDLE)
return ERR_PTR(-EPERM);
prep = kzalloc_obj(*prep);
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);
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);
ret = rtw89_mac_init(rtwdev);
if (ret) {
rtw89_err(rtwdev, "mac init fail, ret:%d\n", ret);
return ret;
}
rtw89_btc_ntfy_poweron(rtwdev);
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_set_edcca_mode_bands(rtwdev, true);
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);
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;
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;
bitmap_or(rtwdev->quirks, rtwdev->quirks, &rtwdev->chip->default_quirks,
NUM_OF_RTW89_QUIRKS);
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;
struct rtw89_hal *hal = &rtwdev->hal;
int ret;
u8 val2;
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;
}
hal->cv = cv;
if (rtw89_is_rtl885xb(rtwdev) || chip->chip_gen >= RTW89_CHIP_BE) {
ret = rtw89_mac_read_xtal_si(rtwdev, XTAL_SI_CV, &val);
if (ret)
return;
hal->acv = u8_get_bits(val, XTAL_SI_ACV_MASK);
}
if (chip->chip_gen >= RTW89_CHIP_BE) {
hal->cid =
rtw89_read32_mask(rtwdev, R_BE_SYS_CHIPINFO, B_BE_HW_ID_MASK);
ret = rtw89_mac_read_xtal_si(rtwdev, XTAL_SI_CHIP_ID_L, &val);
if (ret)
return;
ret = rtw89_mac_read_xtal_si(rtwdev, XTAL_SI_CHIP_ID_H, &val2);
if (ret)
return;
hal->aid = val | val2 << 8;
}
}
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;
}
if (RTW89_CHK_FW_FEATURE_GROUP(WITH_RFK_PRE_NOTIFY, &rtwdev->fw))
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)
{
struct rtw89_efuse *efuse = &rtwdev->efuse;
struct rtw89_hal *hal = &rtwdev->hal;
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);
rtw89_info(rtwdev, "chip info CID: %x, CV: %x, AID: %x, ACV: %x, RFE: %d\n",
hal->cid, hal->cv, hal->aid, hal->acv, efuse->rfe_type);
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 = chip->max_rx_agg_num;
hw->max_tx_aggregation_subframes = chip->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;
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");
