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core.c
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// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/* Copyright(c) 2019-2020 Realtek Corporation
*/
#include <linux/ip.h>
#include <linux/udp.h>
#include "cam.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"
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),
};
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 8, 0)
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),
};
#endif
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, },
};
u16 rtw89_ra_report_to_bitrate(struct rtw89_dev *rtwdev, u8 rpt_rate)
{
struct ieee80211_rate rate;
if (unlikely(rpt_rate >= ARRAY_SIZE(rtw89_bitrates))) {
rtw89_info(rtwdev, "invalid rpt rate %d\n", rpt_rate);
return 0;
}
rate = rtw89_bitrates[rpt_rate];
return rate.bitrate;
}
static 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 struct ieee80211_supported_band rtw89_sband_5ghz = {
.band = NL80211_BAND_5GHZ,
.channels = rtw89_channels_5ghz,
.n_channels = ARRAY_SIZE(rtw89_channels_5ghz),
/* 5G has no CCK rates, 1M/2M/5.5M/11M */
.bitrates = rtw89_bitrates + 4,
.n_bitrates = ARRAY_SIZE(rtw89_bitrates) - 4,
.ht_cap = {0},
.vht_cap = {0},
};
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 8, 0)
static struct ieee80211_supported_band rtw89_sband_6ghz = {
.band = NL80211_BAND_6GHZ,
.channels = rtw89_channels_6ghz,
.n_channels = ARRAY_SIZE(rtw89_channels_6ghz),
/* 6G has no CCK rates, 1M/2M/5.5M/11M */
.bitrates = rtw89_bitrates + 4,
.n_bitrates = ARRAY_SIZE(rtw89_bitrates) - 4,
};
#endif
static void rtw89_traffic_stats_accu(struct rtw89_dev *rtwdev,
struct rtw89_traffic_stats *stats,
struct sk_buff *skb, 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 (tx) {
stats->tx_cnt++;
stats->tx_unicast += skb->len;
} else {
stats->rx_cnt++;
stats->rx_unicast += skb->len;
}
}
static void rtw89_get_channel_params(struct cfg80211_chan_def *chandef,
struct rtw89_channel_params *chan_param)
{
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;
u8 primary_chan_idx = 0;
u32 offset;
u8 band;
u8 subband;
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;
primary_chan_idx = RTW89_SC_DONT_CARE;
break;
case NL80211_CHAN_WIDTH_40:
bandwidth = RTW89_CHANNEL_WIDTH_40;
if (primary_freq > center_freq) {
primary_chan_idx = RTW89_SC_20_UPPER;
center_chan -= 2;
} else {
primary_chan_idx = RTW89_SC_20_LOWER;
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;
primary_chan_idx = RTW89_SC_20_UPPER + offset * 2;
center_chan -= 2 + offset * 4;
} else {
offset = (center_freq - primary_freq - 10) / 20;
primary_chan_idx = RTW89_SC_20_LOWER + offset * 2;
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;
}
switch (band) {
default:
case RTW89_BAND_2G:
switch (center_chan) {
default:
case 1 ... 14:
subband = RTW89_CH_2G;
break;
}
break;
case RTW89_BAND_5G:
switch (center_chan) {
default:
case 36 ... 64:
subband = RTW89_CH_5G_BAND_1;
break;
case 100 ... 144:
subband = RTW89_CH_5G_BAND_3;
break;
case 149 ... 177:
subband = RTW89_CH_5G_BAND_4;
break;
}
break;
case RTW89_BAND_6G:
switch (center_chan) {
default:
case 1 ... 29:
subband = RTW89_CH_6G_BAND_IDX0;
break;
case 33 ... 61:
subband = RTW89_CH_6G_BAND_IDX1;
break;
case 65 ... 93:
subband = RTW89_CH_6G_BAND_IDX2;
break;
case 97 ... 125:
subband = RTW89_CH_6G_BAND_IDX3;
break;
case 129 ... 157:
subband = RTW89_CH_6G_BAND_IDX4;
break;
case 161 ... 189:
subband = RTW89_CH_6G_BAND_IDX5;
break;
case 193 ... 221:
subband = RTW89_CH_6G_BAND_IDX6;
break;
case 225 ... 253:
subband = RTW89_CH_6G_BAND_IDX7;
break;
}
break;
}
chan_param->center_chan = center_chan;
chan_param->center_freq = center_freq;
chan_param->primary_chan = channel->hw_value;
chan_param->bandwidth = bandwidth;
chan_param->pri_ch_idx = primary_chan_idx;
chan_param->band_type = band;
chan_param->subband_type = subband;
}
void rtw89_set_channel(struct rtw89_dev *rtwdev)
{
struct ieee80211_hw *hw = rtwdev->hw;
const struct rtw89_chip_info *chip = rtwdev->chip;
struct rtw89_hal *hal = &rtwdev->hal;
struct rtw89_channel_params ch_param;
struct rtw89_channel_help_params bak;
u8 center_chan, bandwidth;
bool band_changed;
rtw89_get_channel_params(&hw->conf.chandef, &ch_param);
if (WARN(ch_param.center_chan == 0, "Invalid channel\n"))
return;
center_chan = ch_param.center_chan;
bandwidth = ch_param.bandwidth;
band_changed = hal->current_band_type != ch_param.band_type ||
hal->current_channel == 0;
hal->current_band_width = bandwidth;
hal->current_channel = center_chan;
hal->current_freq = ch_param.center_freq;
hal->prev_primary_channel = hal->current_primary_channel;
hal->prev_band_type = hal->current_band_type;
hal->current_primary_channel = ch_param.primary_chan;
hal->current_band_type = ch_param.band_type;
hal->current_subband = ch_param.subband_type;
rtw89_chip_set_channel_prepare(rtwdev, &bak);
chip->ops->set_channel(rtwdev, &ch_param);
rtw89_chip_set_txpwr(rtwdev);
rtw89_chip_set_channel_done(rtwdev, &bak);
if (band_changed) {
rtw89_btc_ntfy_switch_band(rtwdev, RTW89_PHY_0, hal->current_band_type);
rtw89_chip_rfk_band_changed(rtwdev);
}
}
static enum rtw89_core_tx_type
rtw89_core_get_tx_type(struct rtw89_dev *rtwdev,
struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (void *)skb->data;
__le16 fc = hdr->frame_control;
if (ieee80211_is_mgmt(fc) || ieee80211_is_nullfunc(fc))
return RTW89_CORE_TX_TYPE_MGMT;
return RTW89_CORE_TX_TYPE_DATA;
}
static void
rtw89_core_tx_update_ampdu_info(struct rtw89_dev *rtwdev,
struct rtw89_core_tx_request *tx_req, u8 tid)
{
struct ieee80211_sta *sta = tx_req->sta;
struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info;
struct rtw89_sta *rtwsta;
u8 ampdu_num;
if (!sta) {
rtw89_warn(rtwdev, "cannot set ampdu info without sta\n");
return;
}
rtwsta = (struct rtw89_sta *)sta->drv_priv;
ampdu_num = (u8)((rtwsta->ampdu_params[tid].agg_num ?
rtwsta->ampdu_params[tid].agg_num :
#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 19, 0)
4 << sta->ht_cap.ampdu_factor) - 1);
#else
4 << sta->deflink.ht_cap.ampdu_factor) - 1);
#endif
desc_info->agg_en = true;
#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 19, 0)
desc_info->ampdu_density = sta->ht_cap.ampdu_density;
#else
desc_info->ampdu_density = sta->deflink.ht_cap.ampdu_density;
#endif
desc_info->ampdu_num = ampdu_num;
}
static void
rtw89_core_tx_update_sec_key(struct rtw89_dev *rtwdev,
struct rtw89_core_tx_request *tx_req)
{
struct ieee80211_vif *vif = tx_req->vif;
struct ieee80211_sta *sta = tx_req->sta;
struct ieee80211_tx_info *info;
struct ieee80211_key_conf *key;
struct rtw89_vif *rtwvif;
struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta);
struct rtw89_addr_cam_entry *addr_cam;
struct rtw89_sec_cam_entry *sec_cam;
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;
if (!vif) {
rtw89_warn(rtwdev, "cannot set sec key without vif\n");
return;
}
rtwvif = (struct rtw89_vif *)vif->drv_priv;
addr_cam = rtw89_get_addr_cam_of(rtwvif, rtwsta);
info = IEEE80211_SKB_CB(skb);
key = info->control.hw_key;
sec_cam = addr_cam->sec_entries[key->hw_key_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_type = sec_type;
desc_info->sec_cam_idx = sec_cam->sec_cam_idx;
}
static u16 rtw89_core_get_mgmt_rate(struct rtw89_dev *rtwdev,
struct rtw89_core_tx_request *tx_req)
{
struct sk_buff *skb = tx_req->skb;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ieee80211_vif *vif = tx_info->control.vif;
struct rtw89_hal *hal = &rtwdev->hal;
u16 lowest_rate = hal->current_band_type == RTW89_BAND_2G ?
RTW89_HW_RATE_CCK1 : RTW89_HW_RATE_OFDM6;
if (!vif || !vif->bss_conf.basic_rates || !tx_req->sta)
return lowest_rate;
return __ffs(vif->bss_conf.basic_rates) + lowest_rate;
}
static void
rtw89_core_tx_update_mgmt_info(struct rtw89_dev *rtwdev,
struct rtw89_core_tx_request *tx_req)
{
struct ieee80211_vif *vif = tx_req->vif;
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info;
u8 qsel, ch_dma;
qsel = desc_info->hiq ? RTW89_TX_QSEL_B0_HI : RTW89_TX_QSEL_B0_MGMT;
ch_dma = rtw89_core_get_ch_dma(rtwdev, qsel);
desc_info->qsel = qsel;
desc_info->ch_dma = ch_dma;
desc_info->port = desc_info->hiq ? rtwvif->port : 0;
desc_info->hw_ssn_sel = RTW89_MGMT_HW_SSN_SEL;
desc_info->hw_seq_mode = RTW89_MGMT_HW_SEQ_MODE;
/* fixed data rate for mgmt frames */
desc_info->en_wd_info = true;
desc_info->use_rate = true;
desc_info->dis_data_fb = true;
desc_info->data_rate = rtw89_core_get_mgmt_rate(rtwdev, tx_req);
rtw89_debug(rtwdev, RTW89_DBG_TXRX,
"tx mgmt frame with rate 0x%x on channel %d (bw %d)\n",
desc_info->data_rate, rtwdev->hal.current_channel,
rtwdev->hal.current_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)
{
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 ||
hal->current_band_type != RTW89_BAND_2G ||
hal->current_band_width != RTW89_CHANNEL_WIDTH_40)
return;
om_bandwidth = hal->current_band_width < ARRAY_SIZE(rtw89_bandwidth_to_om) ?
rtw89_bandwidth_to_om[hal->current_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 ieee80211_sta *sta = tx_req->sta;
struct sk_buff *skb = tx_req->skb;
struct ieee80211_hdr *hdr = (void *)skb->data;
__le16 fc = hdr->frame_control;
/* AP IOT issue with EAPoL, ARP and DHCP */
if (pkt_type < PACKET_MAX)
return false;
#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 19, 0)
if (!sta || !sta->he_cap.has_he)
#else
if (!sta || !sta->deflink.he_cap.has_he)
#endif
return false;
if (!ieee80211_is_data_qos(fc))
return false;
if (skb_headroom(skb) < IEEE80211_HT_CTL_LEN)
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 ieee80211_sta *sta = tx_req->sta;
struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
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->htc_template ? rtwsta->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 ieee80211_vif *vif = tx_req->vif;
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
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 || rtwvif->last_a_ctrl == desc_info->a_ctrl_bsr)
return;
rtwvif->last_a_ctrl = desc_info->a_ctrl_bsr;
desc_info->bk = true;
}
static u8 rtw89_core_tx_get_mac_id(struct rtw89_dev *rtwdev,
struct rtw89_core_tx_request *tx_req)
{
struct ieee80211_vif *vif = tx_req->vif;
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
struct ieee80211_sta *sta = tx_req->sta;
struct rtw89_sta *rtwsta;
if (!sta)
return rtwvif->mac_id;
rtwsta = (struct rtw89_sta *)sta->drv_priv;
return rtwsta->mac_id;
}
static void
rtw89_core_tx_update_data_info(struct rtw89_dev *rtwdev,
struct rtw89_core_tx_request *tx_req)
{
struct ieee80211_vif *vif = tx_req->vif;
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
struct rtw89_phy_rate_pattern *rate_pattern = &rtwvif->rate_pattern;
struct rtw89_hal *hal = &rtwdev->hal;
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_core_get_ch_dma(rtwdev, qsel);
desc_info->ch_dma = ch_dma;
desc_info->tid_indicate = tid_indicate;
desc_info->qsel = qsel;
desc_info->mac_id = rtw89_core_tx_get_mac_id(rtwdev, tx_req);
desc_info->port = desc_info->hiq ? rtwvif->port : 0;
/* enable wd_info for AMPDU */
desc_info->en_wd_info = true;
if (IEEE80211_SKB_CB(skb)->flags & IEEE80211_TX_CTL_AMPDU)
rtw89_core_tx_update_ampdu_info(rtwdev, tx_req, tid);
if (IEEE80211_SKB_CB(skb)->control.hw_key)
rtw89_core_tx_update_sec_key(rtwdev, tx_req);
if (rate_pattern->enable)
desc_info->data_retry_lowest_rate = rate_pattern->rate;
else if (hal->current_band_type == RTW89_BAND_2G)
desc_info->data_retry_lowest_rate = RTW89_HW_RATE_CCK1;
else
desc_info->data_retry_lowest_rate = RTW89_HW_RATE_OFDM6;
}
static enum btc_pkt_type
rtw89_core_tx_btc_spec_pkt_notify(struct rtw89_dev *rtwdev,
struct rtw89_core_tx_request *tx_req)
{
struct sk_buff *skb = tx_req->skb;
struct udphdr *udphdr;
if (IEEE80211_SKB_CB(skb)->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO) {
ieee80211_queue_work(rtwdev->hw, &rtwdev->btc.eapol_notify_work);
return PACKET_EAPOL;
}
if (skb->protocol == htons(ETH_P_ARP)) {
ieee80211_queue_work(rtwdev->hw, &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) {
ieee80211_queue_work(rtwdev->hw, &rtwdev->btc.dhcp_notify_work);
return PACKET_DHCP;
}
}
if (skb->protocol == htons(ETH_P_IP) &&
ip_hdr(skb)->protocol == IPPROTO_ICMP) {
ieee80211_queue_work(rtwdev->hw, &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)
{
if (!rtwdev->fw.tx_wake)
return;
if (!test_bit(RTW89_FLAG_LOW_POWER_MODE, rtwdev->flags))
return;
if (tx_req->tx_type != RTW89_CORE_TX_TYPE_MGMT)
return;
rtw89_mac_notify_wake(rtwdev);
}
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;
enum rtw89_core_tx_type tx_type;
enum btc_pkt_type pkt_type;
bool is_bmc;
u16 seq;
seq = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
if (tx_req->tx_type != RTW89_CORE_TX_TYPE_FWCMD) {
tx_type = rtw89_core_get_tx_type(rtwdev, skb);
tx_req->tx_type = tx_type;
}
is_bmc = (is_broadcast_ether_addr(hdr->addr1) ||
is_multicast_ether_addr(hdr->addr1));
desc_info->seq = seq;
desc_info->pkt_size = skb->len;
desc_info->is_bmc = is_bmc;
desc_info->wd_page = true;
desc_info->hiq = info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM;
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);
break;
case RTW89_CORE_TX_TYPE_FWCMD:
rtw89_core_tx_update_h2c_info(rtwdev, tx_req);
break;
}
}
void rtw89_core_tx_kick_off(struct rtw89_dev *rtwdev, u8 qsel)
{
u8 ch_dma;
ch_dma = rtw89_core_get_ch_dma(rtwdev, qsel);
rtw89_hci_tx_kick_off(rtwdev, ch_dma);
}
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;
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;
}
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_core_tx_request tx_req = {0};
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
int ret;
tx_req.skb = skb;
tx_req.sta = sta;
tx_req.vif = vif;
rtw89_traffic_stats_accu(rtwdev, &rtwdev->stats, skb, true);
rtw89_traffic_stats_accu(rtwdev, &rtwvif->stats, skb, true);
rtw89_core_tx_update_desc_info(rtwdev, &tx_req);
rtw89_core_tx_wake(rtwdev, &tx_req);
ret = rtw89_hci_tx_write(rtwdev, &tx_req);
if (ret) {
rtw89_err(rtwdev, "failed to transmit skb to HCI\n");
return ret;
}
if (qsel)
*qsel = tx_req.desc_info.qsel;
return 0;
}
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_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_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_RATE, desc_info->data_rate) |
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_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);
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_info4(struct rtw89_tx_desc_info *desc_info)
{
u32 dword = FIELD_PREP(RTW89_TXWD_INFO4_RTS_EN, 1) |
FIELD_PREP(RTW89_TXWD_INFO4_HW_RTS_EN, 1);
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->dword4 = rtw89_build_txwd_info4(desc_info);
}
EXPORT_SYMBOL(rtw89_core_fill_txdesc);
static int rtw89_core_rx_process_mac_ppdu(struct rtw89_dev *rtwdev,
struct sk_buff *skb,
struct rtw89_rx_phy_ppdu *phy_ppdu)
{
bool rx_cnt_valid = false;