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linux-zen-desktop/drivers/net/wireless/realtek/rtw89/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 "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"
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 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_combination rtw89_iface_combs[] = {
{
.limits = rtw89_iface_limits,
.n_limits = ARRAY_SIZE(rtw89_iface_limits),
.max_interfaces = 2,
.num_different_channels = 1,
}
};
bool rtw89_ra_report_to_bitrate(struct rtw89_dev *rtwdev, u8 rpt_rate, u16 *bitrate)
{
struct ieee80211_rate rate;
if (unlikely(rpt_rate >= ARRAY_SIZE(rtw89_bitrates))) {
rtw89_debug(rtwdev, RTW89_DBG_UNEXP, "invalid rpt rate %d\n", rpt_rate);
return false;
}
rate = rtw89_bitrates[rpt_rate];
*bitrate = rate.bitrate;
return true;
}
static const struct ieee80211_supported_band rtw89_sband_2ghz = {
.band = NL80211_BAND_2GHZ,
.channels = rtw89_channels_2ghz,
.n_channels = ARRAY_SIZE(rtw89_channels_2ghz),
.bitrates = rtw89_bitrates,
.n_bitrates = ARRAY_SIZE(rtw89_bitrates),
.ht_cap = {0},
.vht_cap = {0},
};
static const struct ieee80211_supported_band rtw89_sband_5ghz = {
.band = NL80211_BAND_5GHZ,
.channels = rtw89_channels_5ghz,
.n_channels = ARRAY_SIZE(rtw89_channels_5ghz),
/* 5G has no CCK rates, 1M/2M/5.5M/11M */
.bitrates = rtw89_bitrates + 4,
.n_bitrates = ARRAY_SIZE(rtw89_bitrates) - 4,
.ht_cap = {0},
.vht_cap = {0},
};
static const struct ieee80211_supported_band rtw89_sband_6ghz = {
.band = NL80211_BAND_6GHZ,
.channels = rtw89_channels_6ghz,
.n_channels = ARRAY_SIZE(rtw89_channels_6ghz),
/* 6G has no CCK rates, 1M/2M/5.5M/11M */
.bitrates = rtw89_bitrates + 4,
.n_bitrates = ARRAY_SIZE(rtw89_bitrates) - 4,
};
static 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;
}
}
void rtw89_get_default_chandef(struct cfg80211_chan_def *chandef)
{
cfg80211_chandef_create(chandef, &rtw89_channels_2ghz[0],
NL80211_CHAN_NO_HT);
}
static 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);
}
void rtw89_core_set_chip_txpwr(struct rtw89_dev *rtwdev)
{
const struct rtw89_chip_info *chip = rtwdev->chip;
const struct rtw89_chan *chan;
enum rtw89_sub_entity_idx sub_entity_idx;
enum rtw89_phy_idx phy_idx;
enum rtw89_entity_mode mode;
bool entity_active;
entity_active = rtw89_get_entity_state(rtwdev);
if (!entity_active)
return;
mode = rtw89_get_entity_mode(rtwdev);
if (WARN(mode != RTW89_ENTITY_MODE_SCC, "Invalid ent mode: %d\n", mode))
return;
sub_entity_idx = RTW89_SUB_ENTITY_0;
phy_idx = RTW89_PHY_0;
chan = rtw89_chan_get(rtwdev, sub_entity_idx);
chip->ops->set_txpwr(rtwdev, chan, phy_idx);
}
void rtw89_set_channel(struct rtw89_dev *rtwdev)
{
const struct rtw89_chip_info *chip = rtwdev->chip;
const struct cfg80211_chan_def *chandef;
enum rtw89_sub_entity_idx sub_entity_idx;
enum rtw89_mac_idx mac_idx;
enum rtw89_phy_idx phy_idx;
struct rtw89_chan chan;
struct rtw89_channel_help_params bak;
enum rtw89_entity_mode mode;
bool band_changed;
bool entity_active;
entity_active = rtw89_get_entity_state(rtwdev);
mode = rtw89_entity_recalc(rtwdev);
if (WARN(mode != RTW89_ENTITY_MODE_SCC, "Invalid ent mode: %d\n", mode))
return;
sub_entity_idx = RTW89_SUB_ENTITY_0;
mac_idx = RTW89_MAC_0;
phy_idx = RTW89_PHY_0;
chandef = rtw89_chandef_get(rtwdev, sub_entity_idx);
rtw89_get_channel_params(chandef, &chan);
if (WARN(chan.channel == 0, "Invalid channel\n"))
return;
band_changed = rtw89_assign_entity_chan(rtwdev, sub_entity_idx, &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 || band_changed) {
rtw89_btc_ntfy_switch_band(rtwdev, phy_idx, chan.band_type);
rtw89_chip_rfk_band_changed(rtwdev, phy_idx);
}
rtw89_set_entity_state(rtwdev, true);
}
void rtw89_get_channel(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif,
struct rtw89_chan *chan)
{
const struct cfg80211_chan_def *chandef;
chandef = rtw89_chandef_get(rtwdev, rtwvif->sub_entity_idx);
rtw89_get_channel_params(chandef, chan);
}
static enum rtw89_core_tx_type
rtw89_core_get_tx_type(struct rtw89_dev *rtwdev,
struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (void *)skb->data;
__le16 fc = hdr->frame_control;
if (ieee80211_is_mgmt(fc) || ieee80211_is_nullfunc(fc))
return RTW89_CORE_TX_TYPE_MGMT;
return RTW89_CORE_TX_TYPE_DATA;
}
static void
rtw89_core_tx_update_ampdu_info(struct rtw89_dev *rtwdev,
struct rtw89_core_tx_request *tx_req,
enum btc_pkt_type pkt_type)
{
struct ieee80211_sta *sta = tx_req->sta;
struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info;
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 (!sta) {
rtw89_warn(rtwdev, "cannot set ampdu info without sta\n");
return;
}
tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;
rtwsta = (struct rtw89_sta *)sta->drv_priv;
ampdu_num = (u8)((rtwsta->ampdu_params[tid].agg_num ?
rtwsta->ampdu_params[tid].agg_num :
4 << sta->deflink.ht_cap.ampdu_factor) - 1);
desc_info->agg_en = true;
desc_info->ampdu_density = sta->deflink.ht_cap.ampdu_density;
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)
{
const struct rtw89_chip_info *chip = rtwdev->chip;
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;
u64 pn64;
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_keyid = key->keyidx;
desc_info->sec_type = sec_type;
desc_info->sec_cam_idx = sec_cam->sec_cam_idx;
if (!chip->hw_sec_hdr)
return;
pn64 = atomic64_inc_return(&key->tx_pn);
desc_info->sec_seq[0] = pn64;
desc_info->sec_seq[1] = pn64 >> 8;
desc_info->sec_seq[2] = pn64 >> 16;
desc_info->sec_seq[3] = pn64 >> 24;
desc_info->sec_seq[4] = pn64 >> 32;
desc_info->sec_seq[5] = pn64 >> 40;
desc_info->wp_offset = 1; /* in unit of 8 bytes for security header */
}
static u16 rtw89_core_get_mgmt_rate(struct rtw89_dev *rtwdev,
struct rtw89_core_tx_request *tx_req)
{
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;
const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, RTW89_SUB_ENTITY_0);
u16 lowest_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 (!vif || !vif->bss_conf.basic_rates || !tx_req->sta)
return lowest_rate;
return __ffs(vif->bss_conf.basic_rates) + lowest_rate;
}
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_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;
const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, RTW89_SUB_ENTITY_0);
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->mac_id = rtw89_core_tx_get_mac_id(rtwdev, tx_req);
desc_info->hw_ssn_sel = RTW89_MGMT_HW_SSN_SEL;
desc_info->hw_seq_mode = RTW89_MGMT_HW_SEQ_MODE;
/* fixed data rate for mgmt frames */
desc_info->en_wd_info = true;
desc_info->use_rate = true;
desc_info->dis_data_fb = true;
desc_info->data_rate = rtw89_core_get_mgmt_rate(rtwdev, tx_req);
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)
{
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;
const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, RTW89_SUB_ENTITY_0);
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 ieee80211_sta *sta = tx_req->sta;
struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(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 (!sta || !sta->deflink.he_cap.has_he)
return false;
if (!ieee80211_is_data_qos(fc))
return false;
if (skb_headroom(skb) < IEEE80211_HT_CTL_LEN)
return false;
if (rtwsta && rtwsta->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 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 u16 rtw89_core_get_data_rate(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 rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
struct rtw89_phy_rate_pattern *rate_pattern = &rtwvif->rate_pattern;
enum rtw89_sub_entity_idx idx = rtwvif->sub_entity_idx;
const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, idx);
u16 lowest_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 (!sta || !sta->deflink.supp_rates[chan->band_type])
return lowest_rate;
return __ffs(sta->deflink.supp_rates[chan->band_type]) + lowest_rate;
}
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 ieee80211_sta *sta = tx_req->sta;
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta);
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;
desc_info->er_cap = rtwsta ? rtwsta->er_cap : false;
/* enable wd_info for AMPDU */
desc_info->en_wd_info = true;
if (IEEE80211_SKB_CB(skb)->control.hw_key)
rtw89_core_tx_update_sec_key(rtwdev, tx_req);
desc_info->data_retry_lowest_rate = rtw89_core_get_data_rate(rtwdev, tx_req);
}
static enum btc_pkt_type
rtw89_core_tx_btc_spec_pkt_notify(struct rtw89_dev *rtwdev,
struct rtw89_core_tx_request *tx_req)
{
struct 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_update_llc_hdr(struct rtw89_dev *rtwdev,
struct rtw89_tx_desc_info *desc_info,
struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (void *)skb->data;
__le16 fc = hdr->frame_control;
desc_info->hdr_llc_len = ieee80211_hdrlen(fc);
desc_info->hdr_llc_len >>= 1; /* in unit of 2 bytes */
}
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;
if (!test_bit(RTW89_FLAG_LOW_POWER_MODE, rtwdev->flags))
return;
if (chip->chip_id != RTL8852C &&
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);
rtw89_core_tx_update_ampdu_info(rtwdev, tx_req, pkt_type);
rtw89_core_tx_update_llc_hdr(rtwdev, desc_info, skb);
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_core_tx_kick_off_and_wait(struct rtw89_dev *rtwdev, struct sk_buff *skb,
int qsel, unsigned int timeout)
{
struct rtw89_tx_skb_data *skb_data = RTW89_TX_SKB_CB(skb);
struct rtw89_tx_wait_info *wait;
unsigned long time_left;
int ret = 0;
wait = kzalloc(sizeof(*wait), GFP_KERNEL);
if (!wait) {
rtw89_core_tx_kick_off(rtwdev, qsel);
return 0;
}
init_completion(&wait->completion);
rcu_assign_pointer(skb_data->wait, wait);
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;
else if (!wait->tx_done)
ret = -EAGAIN;
rcu_assign_pointer(skb_data->wait, NULL);
kfree_rcu(wait, rcu_head);
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;
}
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_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_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_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_info0_v1(struct rtw89_tx_desc_info *desc_info)
{
u32 dword = 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);
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_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);
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->dword4 = rtw89_build_txwd_info4(desc_info);
}
EXPORT_SYMBOL(rtw89_core_fill_txdesc_v1);
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 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_rxinfo *rxinfo = (const struct rtw89_rxinfo *)skb->data;
bool rx_cnt_valid = false;
u8 plcp_size = 0;
u8 usr_num = 0;
u8 *phy_sts;
rx_cnt_valid = le32_get_bits(rxinfo->w0, RTW89_RXINFO_W0_RX_CNT_VLD);
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 > RTW89_PPDU_MAX_USR) {
rtw89_warn(rtwdev, "Invalid user number in mac info\n");
return -EINVAL;
}
phy_sts = skb->data + RTW89_PPDU_MAC_INFO_SIZE;
phy_sts += usr_num * RTW89_PPDU_MAC_INFO_USR_SIZE;
/* 8-byte alignment */
if (usr_num & BIT(0))
phy_sts += RTW89_PPDU_MAC_INFO_USR_SIZE;
if (rx_cnt_valid)
phy_sts += RTW89_PPDU_MAC_RX_CNT_SIZE;
phy_sts += plcp_size;
phy_ppdu->buf = phy_sts;
phy_ppdu->len = skb->data + skb->len - phy_sts;
return 0;
}
static void rtw89_core_rx_process_phy_ppdu_iter(void *data,
struct ieee80211_sta *sta)
{
struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
struct rtw89_rx_phy_ppdu *phy_ppdu = (struct rtw89_rx_phy_ppdu *)data;
struct rtw89_dev *rtwdev = rtwsta->rtwdev;
struct rtw89_hal *hal = &rtwdev->hal;
u8 ant_num = hal->ant_diversity ? 2 : rtwdev->chip->rf_path_num;
u8 ant_pos = U8_MAX;
u8 evm_pos = 0;
int i;
if (rtwsta->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->avg_rssi, phy_ppdu->rssi_avg);
if (ant_pos < ant_num) {
ewma_rssi_add(&rtwsta->rssi[ant_pos], phy_ppdu->rssi[0]);
} else {
for (i = 0; i < rtwdev->chip->rf_path_num; i++)
ewma_rssi_add(&rtwsta->rssi[i], phy_ppdu->rssi[i]);
}
if (phy_ppdu->ofdm.has) {
ewma_snr_add(&rtwsta->avg_snr, phy_ppdu->ofdm.avg_snr);
ewma_evm_add(&rtwsta->evm_min[evm_pos], phy_ppdu->ofdm.evm_min);
ewma_evm_add(&rtwsta->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_tab[32] = {
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
};
u16 ie_len;
u8 ie;
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(struct rtw89_dev *rtwdev,
const struct rtw89_phy_sts_iehdr *iehdr,
struct rtw89_rx_phy_ppdu *phy_ppdu)
{
const struct rtw89_phy_sts_ie0 *ie = (const struct rtw89_phy_sts_ie0 *)iehdr;
s16 cfo;
u32 t;
phy_ppdu->chan_idx = le32_get_bits(ie->w0, RTW89_PHY_STS_IE01_W0_CH_IDX);
if (phy_ppdu->rate < RTW89_HW_RATE_OFDM6)
return;
if (!phy_ppdu->to_self)
return;
phy_ppdu->ofdm.avg_snr = le32_get_bits(ie->w2, RTW89_PHY_STS_IE01_W2_AVG_SNR);
phy_ppdu->ofdm.evm_max = le32_get_bits(ie->w2, RTW89_PHY_STS_IE01_W2_EVM_MAX);
phy_ppdu->ofdm.evm_min = le32_get_bits(ie->w2, RTW89_PHY_STS_IE01_W2_EVM_MIN);
phy_ppdu->ofdm.has = true;
/* sign conversion for S(12,2) */
if (rtwdev->chip->cfo_src_fd) {
t = le32_get_bits(ie->w1, RTW89_PHY_STS_IE01_W1_FD_CFO);
cfo = sign_extend32(t, 11);
} else {
t = le32_get_bits(ie->w1, RTW89_PHY_STS_IE01_W1_PREMB_CFO);
cfo = sign_extend32(t, 11);
}
rtw89_phy_cfo_parse(rtwdev, cfo, phy_ppdu);
}
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_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(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);
}
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;
len_from_header = le32_get_bits(hdr->w0, RTW89_PHY_STS_HDR_W0_LEN) << 3;
if (len_from_header != phy_ppdu->len) {
rtw89_debug(rtwdev, RTW89_DBG_UNEXP, "phy ppdu len mismatch\n");
return -EINVAL;
}
rtw89_core_update_phy_ppdu(phy_ppdu);
return 0;
}
static int rtw89_core_rx_parse_phy_sts(struct rtw89_dev *rtwdev,
struct rtw89_rx_phy_ppdu *phy_ppdu)
{
u16 ie_len;
void *pos, *end;
/* mark invalid reports and bypass them */
if (phy_ppdu->ie < RTW89_CCK_PKT)
return -EINVAL;
pos = phy_ppdu->buf + PHY_STS_HDR_LEN;
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_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,
const struct rtw89_rx_desc_info *desc_info,
bool rx_status)
{
switch (desc_info->gi_ltf) {
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_ltf);
return rx_status ? NL80211_RATE_INFO_HE_GI_3_2 : U8_MAX;
}
}
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;
u16 data_rate;
bool ret;
data_rate = desc_info->data_rate;
data_rate_mode = GET_DATA_RATE_MODE(data_rate);
if (data_rate_mode == DATA_RATE_MODE_NON_HT) {
rate_idx = GET_DATA_RATE_NOT_HT_IDX(data_rate);
/* rate_idx is still hardware value here */
} else if (data_rate_mode == DATA_RATE_MODE_HT) {
rate_idx = GET_DATA_RATE_HT_IDX(data_rate);
} else if (data_rate_mode == DATA_RATE_MODE_VHT) {
rate_idx = GET_DATA_RATE_VHT_HE_IDX(data_rate);
} else if (data_rate_mode == DATA_RATE_MODE_HE) {
rate_idx = GET_DATA_RATE_VHT_HE_IDX(data_rate);
} else {
rtw89_warn(rtwdev, "invalid RX rate mode %d\n", data_rate_mode);
}
bw = rtw89_hw_to_rate_info_bw(desc_info->bw);
gi_ltf = rtw89_rxdesc_to_nl_he_gi(rtwdev, desc_info, false);
ret = rtwdev->ppdu_sts.curr_rx_ppdu_cnt[band] == desc_info->ppdu_cnt &&
status->rate_idx == rate_idx &&
status->he_gi == gi_ltf &&
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 ieee80211_vif *vif,
struct sk_buff *skb)
{
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
struct ieee80211_trigger *tf = (struct ieee80211_trigger *)skb->data;
u8 *pos, *end, type;
u16 aid;
if (!ether_addr_equal(vif->bss_conf.bssid, tf->ta) ||
rtwvif->wifi_role != RTW89_WIFI_ROLE_STATION ||
rtwvif->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)
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);
rtw89_debug(rtwdev, RTW89_DBG_TXRX,
"[TF] aid: %d, ul_mcs: %d, rua: %d\n",
aid, RTW89_GET_TF_USER_INFO_UL_MCS(pos),
RTW89_GET_TF_USER_INFO_RUA(pos));
if (aid == RTW89_TF_PAD)
break;
if (aid == vif->cfg.aid) {
rtwvif->stats.rx_tf_acc++;
rtwdev->stats.rx_tf_acc++;
break;
}
pos += RTW89_TF_BASIC_USER_INFO_SZ;
}
}
static void rtw89_cancel_6ghz_probe_work(struct work_struct *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;
mutex_lock(&rtwdev->mutex);
if (!rtwdev->scanning)
goto out;
list_for_each_entry(info, &pkt_list[NL80211_BAND_6GHZ], list) {
if (!info->cancel || !test_bit(info->id, rtwdev->pkt_offload))
continue;
rtw89_fw_h2c_del_pkt_offload(rtwdev, info->id);
/* Don't delete/free info from pkt_list at this moment. Let it
* be deleted/freed in rtw89_release_pkt_list() after scanning,
* since if during scanning, pkt_list is accessed in bottom half.
*/
}
out:
mutex_unlock(&rtwdev->mutex);
}
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;
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)
ieee80211_queue_work(rtwdev->hw, &rtwdev->cancel_6ghz_probe_work);
}
static void rtw89_vif_rx_stats_iter(void *data, u8 *mac,
struct ieee80211_vif *vif)
{
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
struct rtw89_vif_rx_stats_iter_data *iter_data = data;
struct rtw89_dev *rtwdev = iter_data->rtwdev;
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_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct rtw89_rx_phy_ppdu *phy_ppdu = iter_data->phy_ppdu;
const u8 *bssid = iter_data->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);
if (!vif->bss_conf.bssid)
return;
if (ieee80211_is_trigger(hdr->frame_control)) {
rtw89_stats_trigger_frame(rtwdev, vif, skb);
return;
}
if (!ether_addr_equal(vif->bss_conf.bssid, bssid))
return;
if (ieee80211_is_beacon(hdr->frame_control)) {
if (vif->type == NL80211_IFTYPE_STATION)
rtw89_fw_h2c_rssi_offload(rtwdev, phy_ppdu);
pkt_stat->beacon_nr++;
}
if (!ether_addr_equal(vif->addr, hdr->addr1))
return;
if (desc_info->data_rate < RTW89_HW_RATE_NR)
pkt_stat->rx_rate_cnt[desc_info->data_rate]++;
rtw89_traffic_stats_accu(rtwdev, &rtwvif->stats, skb, false);
}
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, &rtwdev->stats, skb, 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_SUB_ENTITY_0);
u16 chan = rcd->prev_primary_channel;
u8 band = rcd->prev_band_type == RTW89_BAND_2G ?
NL80211_BAND_2GHZ : NL80211_BAND_5GHZ;
if (status->band != NL80211_BAND_2GHZ &&
status->encoding == RX_ENC_LEGACY &&
status->rate_idx < RTW89_HW_RATE_OFDM6) {
status->freq = ieee80211_channel_to_frequency(chan, band);
status->band = band;
}
}
static void rtw89_core_hw_to_sband_rate(struct ieee80211_rx_status *rx_status)
{
if (rx_status->band == NL80211_BAND_2GHZ ||
rx_status->encoding != RX_ENC_LEGACY)
return;
/* Some control frames' freq(ACKs in this case) are reported wrong due
* to FW notify timing, set to lowest rate to prevent overflow.
*/
if (rx_status->rate_idx < RTW89_HW_RATE_OFDM6) {
rx_status->rate_idx = 0;
return;
}
/* No 4 CCK rates for non-2G */
rx_status->rate_idx -= 4;
}
static void rtw89_core_update_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_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;
}
}
static void rtw89_core_rx_to_mac80211(struct rtw89_dev *rtwdev,
struct rtw89_rx_phy_ppdu *phy_ppdu,
struct rtw89_rx_desc_info *desc_info,
struct sk_buff *skb_ppdu,
struct ieee80211_rx_status *rx_status)
{
struct napi_struct *napi = &rtwdev->napi;
/* In low power mode, napi isn't scheduled. Receive it to netif. */
if (unlikely(!test_bit(NAPI_STATE_SCHED, &napi->state)))
napi = NULL;
rtw89_core_hw_to_sband_rate(rx_status);
rtw89_core_rx_stats(rtwdev, phy_ppdu, desc_info, skb_ppdu);
rtw89_core_update_radiotap(rtwdev, skb_ppdu, rx_status);
/* In low power mode, it does RX in thread context. */
local_bh_disable();
ieee80211_rx_napi(rtwdev->hw, NULL, skb_ppdu, napi);
local_bh_enable();
rtwdev->napi_budget_countdown--;
}
static void rtw89_core_rx_pending_skb(struct rtw89_dev *rtwdev,
struct rtw89_rx_phy_ppdu *phy_ppdu,
struct rtw89_rx_desc_info *desc_info,
struct sk_buff *skb)
{
u8 band = desc_info->bb_sel ? RTW89_PHY_1 : RTW89_PHY_0;
int curr = rtwdev->ppdu_sts.curr_rx_ppdu_cnt[band];
struct sk_buff *skb_ppdu = NULL, *tmp;
struct ieee80211_rx_status *rx_status;
if (curr > RTW89_MAX_PPDU_CNT)
return;
skb_queue_walk_safe(&rtwdev->ppdu_sts.rx_queue[band], skb_ppdu, tmp) {
skb_unlink(skb_ppdu, &rtwdev->ppdu_sts.rx_queue[band]);
rx_status = IEEE80211_SKB_RXCB(skb_ppdu);
if (rtw89_core_rx_ppdu_match(rtwdev, desc_info, rx_status))
rtw89_chip_query_ppdu(rtwdev, phy_ppdu, rx_status);
rtw89_correct_cck_chan(rtwdev, rx_status);
rtw89_core_rx_to_mac80211(rtwdev, phy_ppdu, desc_info, skb_ppdu, rx_status);
}
}
static void rtw89_core_rx_process_ppdu_sts(struct rtw89_dev *rtwdev,
struct rtw89_rx_desc_info *desc_info,
struct sk_buff *skb)
{
struct rtw89_rx_phy_ppdu phy_ppdu = {.buf = skb->data, .valid = false,
.len = skb->len,
.to_self = desc_info->addr1_match,
.rate = desc_info->data_rate,
.mac_id = desc_info->mac_id};
int ret;
if (desc_info->mac_info_valid)
rtw89_core_rx_process_mac_ppdu(rtwdev, skb, &phy_ppdu);
ret = rtw89_core_rx_process_phy_ppdu(rtwdev, &phy_ppdu);
if (ret)
rtw89_debug(rtwdev, RTW89_DBG_TXRX, "process ppdu failed\n");
rtw89_core_rx_process_phy_sts(rtwdev, &phy_ppdu);
rtw89_core_rx_pending_skb(rtwdev, &phy_ppdu, desc_info, skb);
dev_kfree_skb_any(skb);
}
static void rtw89_core_rx_process_report(struct rtw89_dev *rtwdev,
struct rtw89_rx_desc_info *desc_info,
struct sk_buff *skb)
{
switch (desc_info->pkt_type) {
case RTW89_CORE_RX_TYPE_C2H:
rtw89_fw_c2h_irqsafe(rtwdev, skb);
break;
case RTW89_CORE_RX_TYPE_PPDU_STAT:
rtw89_core_rx_process_ppdu_sts(rtwdev, desc_info, skb);
break;
default:
rtw89_debug(rtwdev, RTW89_DBG_TXRX, "unhandled pkt_type=%d\n",
desc_info->pkt_type);
dev_kfree_skb_any(skb);
break;
}
}
void rtw89_core_query_rxdesc(struct rtw89_dev *rtwdev,
struct rtw89_rx_desc_info *desc_info,
u8 *data, u32 data_offset)
{
const struct rtw89_chip_info *chip = rtwdev->chip;
struct rtw89_rxdesc_short *rxd_s;
struct rtw89_rxdesc_long *rxd_l;
u8 shift_len, drv_info_len;
rxd_s = (struct rtw89_rxdesc_short *)(data + data_offset);
desc_info->pkt_size = le32_get_bits(rxd_s->dword0, AX_RXD_RPKT_LEN_MASK);
desc_info->drv_info_size = le32_get_bits(rxd_s->dword0, AX_RXD_DRV_INFO_SIZE_MASK);
desc_info->long_rxdesc = le32_get_bits(rxd_s->dword0, AX_RXD_LONG_RXD);
desc_info->pkt_type = le32_get_bits(rxd_s->dword0, AX_RXD_RPKT_TYPE_MASK);
desc_info->mac_info_valid = le32_get_bits(rxd_s->dword0, AX_RXD_MAC_INFO_VLD);
if (chip->chip_id == RTL8852C)
desc_info->bw = le32_get_bits(rxd_s->dword1, AX_RXD_BW_v1_MASK);
else
desc_info->bw = le32_get_bits(rxd_s->dword1, AX_RXD_BW_MASK);
desc_info->data_rate = le32_get_bits(rxd_s->dword1, AX_RXD_RX_DATARATE_MASK);
desc_info->gi_ltf = le32_get_bits(rxd_s->dword1, AX_RXD_RX_GI_LTF_MASK);
desc_info->user_id = le32_get_bits(rxd_s->dword1, AX_RXD_USER_ID_MASK);
desc_info->sr_en = le32_get_bits(rxd_s->dword1, AX_RXD_SR_EN);
desc_info->ppdu_cnt = le32_get_bits(rxd_s->dword1, AX_RXD_PPDU_CNT_MASK);
desc_info->ppdu_type = le32_get_bits(rxd_s->dword1, AX_RXD_PPDU_TYPE_MASK);
desc_info->free_run_cnt = le32_get_bits(rxd_s->dword2, AX_RXD_FREERUN_CNT_MASK);
desc_info->icv_err = le32_get_bits(rxd_s->dword3, AX_RXD_ICV_ERR);
desc_info->crc32_err = le32_get_bits(rxd_s->dword3, AX_RXD_CRC32_ERR);
desc_info->hw_dec = le32_get_bits(rxd_s->dword3, AX_RXD_HW_DEC);
desc_info->sw_dec = le32_get_bits(rxd_s->dword3, AX_RXD_SW_DEC);
desc_info->addr1_match = le32_get_bits(rxd_s->dword3, AX_RXD_A1_MATCH);
shift_len = desc_info->shift << 1; /* 2-byte unit */
drv_info_len = desc_info->drv_info_size << 3; /* 8-byte unit */
desc_info->offset = data_offset + shift_len + drv_info_len;
if (desc_info->long_rxdesc)
desc_info->rxd_len = sizeof(struct rtw89_rxdesc_long);
else
desc_info->rxd_len = sizeof(struct rtw89_rxdesc_short);
desc_info->ready = true;
if (!desc_info->long_rxdesc)
return;
rxd_l = (struct rtw89_rxdesc_long *)(data + data_offset);
desc_info->frame_type = le32_get_bits(rxd_l->dword4, AX_RXD_TYPE_MASK);
desc_info->addr_cam_valid = le32_get_bits(rxd_l->dword5, AX_RXD_ADDR_CAM_VLD);
desc_info->addr_cam_id = le32_get_bits(rxd_l->dword5, AX_RXD_ADDR_CAM_MASK);
desc_info->sec_cam_id = le32_get_bits(rxd_l->dword5, AX_RXD_SEC_CAM_IDX_MASK);
desc_info->mac_id = le32_get_bits(rxd_l->dword5, AX_RXD_MAC_ID_MASK);
desc_info->rx_pl_id = le32_get_bits(rxd_l->dword5, AX_RXD_RX_PL_ID_MASK);
}
EXPORT_SYMBOL(rtw89_core_query_rxdesc);
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_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
struct rtw89_rx_desc_info *desc_info = iter_data->desc_info;
u8 mac_id = iter_data->mac_id;
if (mac_id != rtwsta->mac_id)
return;
rtwsta->rx_status = *rx_status;
rtwsta->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 rtw89_rx_desc_info *desc_info,
struct ieee80211_rx_status *rx_status)
{
const struct cfg80211_chan_def *chandef =
rtw89_chandef_get(rtwdev, RTW89_SUB_ENTITY_0);
const struct rtw89_chan *cur = rtw89_chan_get(rtwdev, RTW89_SUB_ENTITY_0);
u16 data_rate;
u8 data_rate_mode;
/* currently using single PHY */
rx_status->freq = chandef->chan->center_freq;
rx_status->band = chandef->chan->band;
if (rtwdev->scanning &&
RTW89_CHK_FW_FEATURE(SCAN_OFFLOAD, &rtwdev->fw)) {
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 = GET_DATA_RATE_MODE(data_rate);
if (data_rate_mode == DATA_RATE_MODE_NON_HT) {
rx_status->encoding = RX_ENC_LEGACY;
rx_status->rate_idx = GET_DATA_RATE_NOT_HT_IDX(data_rate);
/* convert rate_idx after we get the correct band */
} else if (data_rate_mode == DATA_RATE_MODE_HT) {
rx_status->encoding = RX_ENC_HT;
rx_status->rate_idx = GET_DATA_RATE_HT_IDX(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 = GET_DATA_RATE_VHT_HE_IDX(data_rate);
rx_status->nss = GET_DATA_RATE_NSS(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 = GET_DATA_RATE_VHT_HE_IDX(data_rate);
rx_status->nss = GET_DATA_RATE_NSS(data_rate) + 1;
} else {
rtw89_warn(rtwdev, "invalid RX rate mode %d\n", data_rate_mode);
}
/* he_gi is used to match ppdu, so we always fill it. */
rx_status->he_gi = rtw89_rxdesc_to_nl_he_gi(rtwdev, desc_info, true);
rx_status->flag |= RX_FLAG_MACTIME_START;
rx_status->mactime = desc_info->free_run_cnt;
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 (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);
}
}
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, desc_info, rx_status);
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);
void rtw89_core_napi_init(struct rtw89_dev *rtwdev)
{
init_dummy_netdev(&rtwdev->netdev);
netif_napi_add(&rtwdev->netdev, &rtwdev->napi,
rtwdev->hci.ops->napi_poll);
}
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);
}
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 ? (struct rtw89_sta *)sta->drv_priv : NULL;
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);
}
static 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);
}
static 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);
}
static void rtw89_core_free_sta_pending_roc_tx(struct rtw89_dev *rtwdev,
struct ieee80211_sta *sta)
{
struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
struct sk_buff *skb, *tmp;
skb_queue_walk_safe(&rtwsta->roc_queue, skb, tmp) {
skb_unlink(skb, &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 ? (struct rtw89_sta *)sta->drv_priv : NULL;
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_core_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 ieee80211_sta *sta = txq->sta;
struct rtw89_sta *rtwsta = sta ? (struct rtw89_sta *)sta->drv_priv : NULL;
if (!sta || rtwsta->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->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 = (struct rtw89_vif *)txq->vif->drv_priv;
if (rtwvif->offchan) {
ieee80211_return_txq(hw, txq, true);
continue;
}
tx_resource = rtw89_check_and_reclaim_tx_resource(rtwdev, txq->tid);
sched_txq = false;
ieee80211_txq_get_depth(txq, &frame_cnt, &byte_cnt);
if (rtw89_core_txq_agg_wait(rtwdev, txq, &frame_cnt, &sched_txq, reinvoke)) {
ieee80211_return_txq(hw, txq, true);
continue;
}
frame_cnt = min_t(unsigned long, frame_cnt, tx_resource);
rtw89_core_txq_push(rtwdev, rtwtxq, frame_cnt, byte_cnt);
ieee80211_return_txq(hw, txq, sched_txq);
if (frame_cnt != 0)
rtw89_core_tx_kick_off(rtwdev, rtw89_core_get_qsel(rtwdev, txq->tid));
/* bound of tx_resource could get stuck due to burst traffic */
if (frame_cnt == tx_resource)
*reinvoke = true;
}
ieee80211_txq_schedule_end(hw, ac);
}
static void rtw89_ips_work(struct work_struct *work)
{
struct rtw89_dev *rtwdev = container_of(work, struct rtw89_dev,
ips_work);
mutex_lock(&rtwdev->mutex);
rtw89_enter_ips_by_hwflags(rtwdev);
mutex_unlock(&rtwdev->mutex);
}
static void rtw89_core_txq_work(struct work_struct *w)
{
struct rtw89_dev *rtwdev = container_of(w, struct rtw89_dev, txq_work);
bool reinvoke = false;
u8 ac;
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
rtw89_core_txq_schedule(rtwdev, ac, &reinvoke);
if (reinvoke) {
/* reinvoke to process the last frame */
mod_delayed_work(rtwdev->txq_wq, &rtwdev->txq_reinvoke_work, 1);
}
}
static void rtw89_core_txq_reinvoke_work(struct work_struct *w)
{
struct rtw89_dev *rtwdev = container_of(w, struct rtw89_dev,
txq_reinvoke_work.work);
queue_work(rtwdev->txq_wq, &rtwdev->txq_work);
}
static void rtw89_forbid_ba_work(struct work_struct *w)
{
struct rtw89_dev *rtwdev = container_of(w, struct rtw89_dev,
forbid_ba_work.work);
struct rtw89_txq *rtwtxq, *tmp;
spin_lock_bh(&rtwdev->ba_lock);
list_for_each_entry_safe(rtwtxq, tmp, &rtwdev->forbid_ba_list, list) {
clear_bit(RTW89_TXQ_F_FORBID_BA, &rtwtxq->flags);
list_del_init(&rtwtxq->list);
}
spin_unlock_bh(&rtwdev->ba_lock);
}
static void rtw89_core_sta_pending_tx_iter(void *data,
struct ieee80211_sta *sta)
{
struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
struct rtw89_vif *rtwvif_target = data, *rtwvif = rtwsta->rtwvif;
struct rtw89_dev *rtwdev = rtwvif->rtwdev;
struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
struct sk_buff *skb, *tmp;
int qsel, ret;
if (rtwvif->sub_entity_idx != rtwvif_target->sub_entity_idx)
return;
if (skb_queue_len(&rtwsta->roc_queue) == 0)
return;
skb_queue_walk_safe(&rtwsta->roc_queue, skb, tmp) {
skb_unlink(skb, &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 *rtwvif)
{
ieee80211_iterate_stations_atomic(rtwdev->hw,
rtw89_core_sta_pending_tx_iter,
rtwvif);
}
static int rtw89_core_send_nullfunc(struct rtw89_dev *rtwdev,
struct rtw89_vif *rtwvif, bool qos, bool ps)
{
struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
struct ieee80211_sta *sta;
struct ieee80211_hdr *hdr;
struct sk_buff *skb;
int ret, qsel;
if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc)
return 0;
rcu_read_lock();
sta = ieee80211_find_sta(vif, vif->bss_conf.bssid);
if (!sta) {
ret = -EINVAL;
goto out;
}
skb = ieee80211_nullfunc_get(rtwdev->hw, vif, -1, qos);
if (!skb) {
ret = -ENOMEM;
goto out;
}
hdr = (struct ieee80211_hdr *)skb->data;
if (ps)
hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM);
ret = rtw89_core_tx_write(rtwdev, vif, sta, skb, &qsel);
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, qsel,
RTW89_ROC_TX_TIMEOUT);
out:
rcu_read_unlock();
return ret;
}
void rtw89_roc_start(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif)
{
struct ieee80211_hw *hw = rtwdev->hw;
struct rtw89_roc *roc = &rtwvif->roc;
struct cfg80211_chan_def roc_chan;
struct rtw89_vif *tmp;
int ret;
lockdep_assert_held(&rtwdev->mutex);
ieee80211_queue_delayed_work(hw, &rtwvif->roc.roc_work,
msecs_to_jiffies(rtwvif->roc.duration));
rtw89_leave_ips_by_hwflags(rtwdev);
rtw89_leave_lps(rtwdev);
ret = rtw89_core_send_nullfunc(rtwdev, rtwvif, true, true);
if (ret)
rtw89_debug(rtwdev, RTW89_DBG_TXRX,
"roc send null-1 failed: %d\n", ret);
rtw89_for_each_rtwvif(rtwdev, tmp)
if (tmp->sub_entity_idx == rtwvif->sub_entity_idx)
tmp->offchan = true;
cfg80211_chandef_create(&roc_chan, &roc->chan, NL80211_CHAN_NO_HT);
rtw89_config_roc_chandef(rtwdev, rtwvif->sub_entity_idx, &roc_chan);
rtw89_set_channel(rtwdev);
rtw89_write32_clr(rtwdev,
rtw89_mac_reg_by_idx(R_AX_RX_FLTR_OPT, RTW89_MAC_0),
B_AX_A_UC_CAM_MATCH | B_AX_A_BC_CAM_MATCH);
ieee80211_ready_on_channel(hw);
}
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 *tmp;
int ret;
lockdep_assert_held(&rtwdev->mutex);
ieee80211_remain_on_channel_expired(hw);
rtw89_leave_ips_by_hwflags(rtwdev);
rtw89_leave_lps(rtwdev);
rtw89_write32_mask(rtwdev,
rtw89_mac_reg_by_idx(R_AX_RX_FLTR_OPT, RTW89_MAC_0),
B_AX_RX_FLTR_CFG_MASK,
rtwdev->hal.rx_fltr);
roc->state = RTW89_ROC_IDLE;
rtw89_config_roc_chandef(rtwdev, rtwvif->sub_entity_idx, NULL);
rtw89_set_channel(rtwdev);
ret = rtw89_core_send_nullfunc(rtwdev, rtwvif, true, false);
if (ret)
rtw89_debug(rtwdev, RTW89_DBG_TXRX,
"roc send null-0 failed: %d\n", ret);
rtw89_for_each_rtwvif(rtwdev, tmp)
if (tmp->sub_entity_idx == rtwvif->sub_entity_idx)
tmp->offchan = false;
rtw89_core_handle_sta_pending_tx(rtwdev, rtwvif);
queue_work(rtwdev->txq_wq, &rtwdev->txq_work);
if (hw->conf.flags & IEEE80211_CONF_IDLE)
ieee80211_queue_delayed_work(hw, &roc->roc_work,
RTW89_ROC_IDLE_TIMEOUT);
}
void rtw89_roc_work(struct work_struct *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;
mutex_lock(&rtwdev->mutex);
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;
}
mutex_unlock(&rtwdev->mutex);
}
static enum rtw89_tfc_lv rtw89_get_traffic_level(struct rtw89_dev *rtwdev,
u32 throughput, u64 cnt)
{
if (cnt < 100)
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_lv tx_tfc_lv = stats->tx_tfc_lv;
enum rtw89_tfc_lv rx_tfc_lv = stats->rx_tfc_lv;
stats->tx_throughput_raw = (u32)(stats->tx_unicast >> RTW89_TP_SHIFT);
stats->rx_throughput_raw = (u32)(stats->rx_unicast >> RTW89_TP_SHIFT);
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);
stats->rx_tfc_lv = rtw89_get_traffic_level(rtwdev, stats->rx_throughput,
stats->rx_cnt);
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 *rtwvif;
bool tfc_changed;
tfc_changed = rtw89_traffic_stats_calc(rtwdev, &rtwdev->stats);
rtw89_for_each_rtwvif(rtwdev, rtwvif) {
rtw89_traffic_stats_calc(rtwdev, &rtwvif->stats);
rtw89_fw_h2c_tp_offload(rtwdev, rtwvif);
}
return tfc_changed;
}
static void rtw89_vif_enter_lps(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif)
{
if ((rtwvif->wifi_role != RTW89_WIFI_ROLE_STATION &&
rtwvif->wifi_role != RTW89_WIFI_ROLE_P2P_CLIENT) ||
rtwvif->tdls_peer)
return;
if (rtwvif->offchan)
return;
if (rtwvif->stats.tx_tfc_lv == RTW89_TFC_IDLE &&
rtwvif->stats.rx_tfc_lv == RTW89_TFC_IDLE)
rtw89_enter_lps(rtwdev, rtwvif, true);
}
static void rtw89_enter_lps_track(struct rtw89_dev *rtwdev)
{
struct rtw89_vif *rtwvif;
rtw89_for_each_rtwvif(rtwdev, rtwvif)
rtw89_vif_enter_lps(rtwdev, rtwvif);
}
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);
}
static void rtw89_track_work(struct work_struct *work)
{
struct rtw89_dev *rtwdev = container_of(work, struct rtw89_dev,
track_work.work);
bool tfc_changed;
if (test_bit(RTW89_FLAG_FORBIDDEN_TRACK_WROK, rtwdev->flags))
return;
mutex_lock(&rtwdev->mutex);
if (!test_bit(RTW89_FLAG_RUNNING, rtwdev->flags))
goto out;
ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->track_work,
RTW89_TRACK_WORK_PERIOD);
tfc_changed = rtw89_traffic_stats_track(rtwdev);
if (rtwdev->scanning)
goto out;
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_phy_stat_track(rtwdev);
rtw89_phy_env_monitor_track(rtwdev);
rtw89_phy_dig(rtwdev);
rtw89_chip_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);
if (rtwdev->lps_enabled && !rtwdev->btc.lps)
rtw89_enter_lps_track(rtwdev);
out:
mutex_unlock(&rtwdev->mutex);
}
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 *rtwsta, 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_held(&rtwdev->mutex);
idx = rtw89_core_acquire_bit_map(cam_info->ba_cam_map, chip->bacam_num);
if (idx == chip->bacam_num) {
/* allocate a static BA CAM to tid=0/5, so replace the existing
* one if BA CAM is full. Hardware will process the original tid
* automatically.
*/
if (tid != 0 && tid != 5)
return -ENOSPC;
for_each_set_bit(i, cam_info->ba_cam_map, chip->bacam_num) {
tmp = &cam_info->ba_cam_entry[i];
if (tmp->tid == 0 || tmp->tid == 5)
continue;
idx = i;
entry = tmp;
list_del(&entry->list);
break;
}
if (!entry)
return -ENOSPC;
} else {
entry = &cam_info->ba_cam_entry[idx];
}
entry->tid = tid;
list_add_tail(&entry->list, &rtwsta->ba_cam_list);
*cam_idx = idx;
return 0;
}
int rtw89_core_release_sta_ba_entry(struct rtw89_dev *rtwdev,
struct rtw89_sta *rtwsta, 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_held(&rtwdev->mutex);
list_for_each_entry_safe(entry, tmp, &rtwsta->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->wifi_role = RTW89_WIFI_ROLE_ ## _type; \
break
void rtw89_vif_type_mapping(struct ieee80211_vif *vif, bool assoc)
{
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
switch (vif->type) {
case NL80211_IFTYPE_STATION:
if (vif->p2p)
rtwvif->wifi_role = RTW89_WIFI_ROLE_P2P_CLIENT;
else
rtwvif->wifi_role = RTW89_WIFI_ROLE_STATION;
break;
case NL80211_IFTYPE_AP:
if (vif->p2p)
rtwvif->wifi_role = RTW89_WIFI_ROLE_P2P_GO;
else
rtwvif->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->net_type = RTW89_NET_TYPE_AP_MODE;
rtwvif->self_role = RTW89_SELF_ROLE_AP;
break;
case NL80211_IFTYPE_ADHOC:
rtwvif->net_type = RTW89_NET_TYPE_AD_HOC;
rtwvif->self_role = RTW89_SELF_ROLE_CLIENT;
break;
case NL80211_IFTYPE_STATION:
if (assoc) {
rtwvif->net_type = RTW89_NET_TYPE_INFRA;
rtwvif->trigger = vif->bss_conf.he_support;
} else {
rtwvif->net_type = RTW89_NET_TYPE_NO_LINK;
rtwvif->trigger = false;
}
rtwvif->self_role = RTW89_SELF_ROLE_CLIENT;
rtwvif->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_add(struct rtw89_dev *rtwdev,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
struct rtw89_hal *hal = &rtwdev->hal;
u8 ant_num = hal->ant_diversity ? 2 : rtwdev->chip->rf_path_num;
int i;
int ret;
rtwsta->rtwdev = rtwdev;
rtwsta->rtwvif = rtwvif;
rtwsta->prev_rssi = 0;
INIT_LIST_HEAD(&rtwsta->ba_cam_list);
skb_queue_head_init(&rtwsta->roc_queue);
for (i = 0; i < ARRAY_SIZE(sta->txq); i++)
rtw89_core_txq_init(rtwdev, sta->txq[i]);
ewma_rssi_init(&rtwsta->avg_rssi);
ewma_snr_init(&rtwsta->avg_snr);
for (i = 0; i < ant_num; i++) {
ewma_rssi_init(&rtwsta->rssi[i]);
ewma_evm_init(&rtwsta->evm_min[i]);
ewma_evm_init(&rtwsta->evm_max[i]);
}
if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
/* for station mode, assign the mac_id from itself */
rtwsta->mac_id = rtwvif->mac_id;
/* must do rtw89_reg_6ghz_power_recalc() before rfk channel */
rtw89_reg_6ghz_power_recalc(rtwdev, rtwvif, true);
rtw89_btc_ntfy_role_info(rtwdev, rtwvif, rtwsta,
BTC_ROLE_MSTS_STA_CONN_START);
rtw89_chip_rfk_channel(rtwdev);
} else if (vif->type == NL80211_IFTYPE_AP || sta->tdls) {
rtwsta->mac_id = rtw89_core_acquire_bit_map(rtwdev->mac_id_map,
RTW89_MAX_MAC_ID_NUM);
if (rtwsta->mac_id == RTW89_MAX_MAC_ID_NUM)
return -ENOSPC;
ret = rtw89_mac_set_macid_pause(rtwdev, rtwsta->mac_id, false);
if (ret) {
rtw89_core_release_bit_map(rtwdev->mac_id_map, rtwsta->mac_id);
rtw89_warn(rtwdev, "failed to send h2c macid pause\n");
return ret;
}
ret = rtw89_fw_h2c_role_maintain(rtwdev, rtwvif, rtwsta,
RTW89_ROLE_CREATE);
if (ret) {
rtw89_core_release_bit_map(rtwdev->mac_id_map, rtwsta->mac_id);
rtw89_warn(rtwdev, "failed to send h2c role info\n");
return ret;
}
}
return 0;
}
int rtw89_core_sta_disassoc(struct rtw89_dev *rtwdev,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
if (vif->type == NL80211_IFTYPE_STATION)
rtw89_fw_h2c_set_bcn_fltr_cfg(rtwdev, vif, false);
rtwdev->total_sta_assoc--;
if (sta->tdls)
rtwvif->tdls_peer--;
rtwsta->disassoc = true;
return 0;
}
int rtw89_core_sta_disconnect(struct rtw89_dev *rtwdev,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
int ret;
rtw89_mac_bf_monitor_calc(rtwdev, sta, true);
rtw89_mac_bf_disassoc(rtwdev, vif, sta);
rtw89_core_free_sta_pending_ba(rtwdev, sta);
rtw89_core_free_sta_pending_forbid_ba(rtwdev, sta);
rtw89_core_free_sta_pending_roc_tx(rtwdev, sta);
if (vif->type == NL80211_IFTYPE_AP || sta->tdls)
rtw89_cam_deinit_addr_cam(rtwdev, &rtwsta->addr_cam);
if (sta->tdls)
rtw89_cam_deinit_bssid_cam(rtwdev, &rtwsta->bssid_cam);
if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
rtw89_vif_type_mapping(vif, false);
rtw89_fw_release_general_pkt_list_vif(rtwdev, rtwvif, true);
}
ret = rtw89_fw_h2c_assoc_cmac_tbl(rtwdev, vif, sta);
if (ret) {
rtw89_warn(rtwdev, "failed to send h2c cmac table\n");
return ret;
}
ret = rtw89_fw_h2c_join_info(rtwdev, rtwvif, rtwsta, true);
if (ret) {
rtw89_warn(rtwdev, "failed to send h2c join info\n");
return ret;
}
/* update cam aid mac_id net_type */
ret = rtw89_fw_h2c_cam(rtwdev, rtwvif, rtwsta, NULL);
if (ret) {
rtw89_warn(rtwdev, "failed to send h2c cam\n");
return ret;
}
return ret;
}
int rtw89_core_sta_assoc(struct rtw89_dev *rtwdev,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
struct rtw89_bssid_cam_entry *bssid_cam = rtw89_get_bssid_cam_of(rtwvif, rtwsta);
int ret;
if (vif->type == NL80211_IFTYPE_AP || sta->tdls) {
if (sta->tdls) {
ret = rtw89_cam_init_bssid_cam(rtwdev, rtwvif, bssid_cam, sta->addr);
if (ret) {
rtw89_warn(rtwdev, "failed to send h2c init bssid cam for TDLS\n");
return ret;
}
}
ret = rtw89_cam_init_addr_cam(rtwdev, &rtwsta->addr_cam, bssid_cam);
if (ret) {
rtw89_warn(rtwdev, "failed to send h2c init addr cam\n");
return ret;
}
}
ret = rtw89_fw_h2c_assoc_cmac_tbl(rtwdev, vif, sta);
if (ret) {
rtw89_warn(rtwdev, "failed to send h2c cmac table\n");
return ret;
}
ret = rtw89_fw_h2c_join_info(rtwdev, rtwvif, rtwsta, false);
if (ret) {
rtw89_warn(rtwdev, "failed to send h2c join info\n");
return ret;
}
/* update cam aid mac_id net_type */
ret = rtw89_fw_h2c_cam(rtwdev, rtwvif, rtwsta, NULL);
if (ret) {
rtw89_warn(rtwdev, "failed to send h2c cam\n");
return ret;
}
rtwdev->total_sta_assoc++;
if (sta->tdls)
rtwvif->tdls_peer++;
rtw89_phy_ra_assoc(rtwdev, sta);
rtw89_mac_bf_assoc(rtwdev, vif, sta);
rtw89_mac_bf_monitor_calc(rtwdev, sta, false);
if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
if (bss_conf->he_support &&
!(bss_conf->he_oper.params & IEEE80211_HE_OPERATION_ER_SU_DISABLE))
rtwsta->er_cap = true;
rtw89_btc_ntfy_role_info(rtwdev, rtwvif, rtwsta,
BTC_ROLE_MSTS_STA_CONN_END);
rtw89_core_get_no_ul_ofdma_htc(rtwdev, &rtwsta->htc_template);
rtw89_phy_ul_tb_assoc(rtwdev, rtwvif);
ret = rtw89_fw_h2c_general_pkt(rtwdev, rtwvif, rtwsta->mac_id);
if (ret) {
rtw89_warn(rtwdev, "failed to send h2c general packet\n");
return ret;
}
}
return ret;
}
int rtw89_core_sta_remove(struct rtw89_dev *rtwdev,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
int ret;
if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
rtw89_reg_6ghz_power_recalc(rtwdev, rtwvif, false);
rtw89_btc_ntfy_role_info(rtwdev, rtwvif, rtwsta,
BTC_ROLE_MSTS_STA_DIS_CONN);
} else if (vif->type == NL80211_IFTYPE_AP || sta->tdls) {
rtw89_core_release_bit_map(rtwdev->mac_id_map, rtwsta->mac_id);
ret = rtw89_fw_h2c_role_maintain(rtwdev, rtwvif, rtwsta,
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_bw160 ? highest_bw160 : highest_bw80;
struct rtw89_hal *hal = &rtwdev->hal;
u16 tx_mcs_map = 0, rx_mcs_map = 0;
u8 sts_cap = 3;
int i;
for (i = 0; i < 8; i++) {
if (i < hal->tx_nss)
tx_mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2);
else
tx_mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2);
if (i < hal->rx_nss)
rx_mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2);
else
rx_mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2);
}
vht_cap->vht_supported = true;
vht_cap->cap = IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
IEEE80211_VHT_CAP_SHORT_GI_80 |
IEEE80211_VHT_CAP_RXSTBC_1 |
IEEE80211_VHT_CAP_HTC_VHT |
IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
0;
vht_cap->cap |= IEEE80211_VHT_CAP_TXSTBC;
vht_cap->cap |= IEEE80211_VHT_CAP_RXLDPC;
vht_cap->cap |= IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE;
vht_cap->cap |= sts_cap << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
if (chip->support_bw160)
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];
}
#define RTW89_SBAND_IFTYPES_NR 2
static void rtw89_init_he_cap(struct rtw89_dev *rtwdev,
enum nl80211_band band,
struct ieee80211_supported_band *sband)
{
const struct rtw89_chip_info *chip = rtwdev->chip;
struct rtw89_hal *hal = &rtwdev->hal;
struct ieee80211_sband_iftype_data *iftype_data;
bool no_ng16 = (chip->chip_id == RTL8852A && hal->cv == CHIP_CBV) ||
(chip->chip_id == RTL8852B && hal->cv == CHIP_CAV);
u16 mcs_map = 0;
int i;
int nss = hal->rx_nss;
int idx = 0;
iftype_data = kcalloc(RTW89_SBAND_IFTYPES_NR, sizeof(*iftype_data), GFP_KERNEL);
if (!iftype_data)
return;
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);
}
for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
struct ieee80211_sta_he_cap *he_cap;
u8 *mac_cap_info;
u8 *phy_cap_info;
switch (i) {
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(i);
he_cap = &iftype_data[idx].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 (i == 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 (i == 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 (i == 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_bw160)
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 (i == 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 (i == 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_bw160)
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_bw160)
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 (i == 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_bw160) {
he_cap->he_mcs_nss_supp.rx_mcs_160 = cpu_to_le16(mcs_map);
he_cap->he_mcs_nss_supp.tx_mcs_160 = cpu_to_le16(mcs_map);
}
if (band == NL80211_BAND_6GHZ) {
__le16 capa;
capa = le16_encode_bits(IEEE80211_HT_MPDU_DENSITY_NONE,
IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START) |
le16_encode_bits(IEEE80211_VHT_MAX_AMPDU_1024K,
IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP) |
le16_encode_bits(IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454,
IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN);
iftype_data[idx].he_6ghz_capa.capa = capa;
}
idx++;
}
sband->iftype_data = iftype_data;
sband->n_iftype_data = idx;
}
static int rtw89_core_set_supported_band(struct rtw89_dev *rtwdev)
{
struct ieee80211_hw *hw = rtwdev->hw;
struct ieee80211_supported_band *sband_2ghz = NULL, *sband_5ghz = NULL;
struct ieee80211_supported_band *sband_6ghz = NULL;
u32 size = sizeof(struct ieee80211_supported_band);
u8 support_bands = rtwdev->chip->support_bands;
if (support_bands & BIT(NL80211_BAND_2GHZ)) {
sband_2ghz = kmemdup(&rtw89_sband_2ghz, size, GFP_KERNEL);
if (!sband_2ghz)
goto err;
rtw89_init_ht_cap(rtwdev, &sband_2ghz->ht_cap);
rtw89_init_he_cap(rtwdev, NL80211_BAND_2GHZ, sband_2ghz);
hw->wiphy->bands[NL80211_BAND_2GHZ] = sband_2ghz;
}
if (support_bands & BIT(NL80211_BAND_5GHZ)) {
sband_5ghz = kmemdup(&rtw89_sband_5ghz, size, GFP_KERNEL);
if (!sband_5ghz)
goto err;
rtw89_init_ht_cap(rtwdev, &sband_5ghz->ht_cap);
rtw89_init_vht_cap(rtwdev, &sband_5ghz->vht_cap);
rtw89_init_he_cap(rtwdev, NL80211_BAND_5GHZ, sband_5ghz);
hw->wiphy->bands[NL80211_BAND_5GHZ] = sband_5ghz;
}
if (support_bands & BIT(NL80211_BAND_6GHZ)) {
sband_6ghz = kmemdup(&rtw89_sband_6ghz, size, GFP_KERNEL);
if (!sband_6ghz)
goto err;
rtw89_init_he_cap(rtwdev, NL80211_BAND_6GHZ, sband_6ghz);
hw->wiphy->bands[NL80211_BAND_6GHZ] = sband_6ghz;
}
return 0;
err:
hw->wiphy->bands[NL80211_BAND_2GHZ] = NULL;
hw->wiphy->bands[NL80211_BAND_5GHZ] = NULL;
hw->wiphy->bands[NL80211_BAND_6GHZ] = NULL;
if (sband_2ghz)
kfree(sband_2ghz->iftype_data);
if (sband_5ghz)
kfree(sband_5ghz->iftype_data);
if (sband_6ghz)
kfree(sband_6ghz->iftype_data);
kfree(sband_2ghz);
kfree(sband_5ghz);
kfree(sband_6ghz);
return -ENOMEM;
}
static void rtw89_core_clr_supported_band(struct rtw89_dev *rtwdev)
{
struct ieee80211_hw *hw = rtwdev->hw;
if (hw->wiphy->bands[NL80211_BAND_2GHZ])
kfree(hw->wiphy->bands[NL80211_BAND_2GHZ]->iftype_data);
if (hw->wiphy->bands[NL80211_BAND_5GHZ])
kfree(hw->wiphy->bands[NL80211_BAND_5GHZ]->iftype_data);
if (hw->wiphy->bands[NL80211_BAND_6GHZ])
kfree(hw->wiphy->bands[NL80211_BAND_6GHZ]->iftype_data);
kfree(hw->wiphy->bands[NL80211_BAND_2GHZ]);
kfree(hw->wiphy->bands[NL80211_BAND_5GHZ]);
kfree(hw->wiphy->bands[NL80211_BAND_6GHZ]);
hw->wiphy->bands[NL80211_BAND_2GHZ] = NULL;
hw->wiphy->bands[NL80211_BAND_5GHZ] = NULL;
hw->wiphy->bands[NL80211_BAND_6GHZ] = NULL;
}
static void rtw89_core_ppdu_sts_init(struct rtw89_dev *rtwdev)
{
int i;
for (i = 0; i < RTW89_PHY_MAX; i++)
skb_queue_head_init(&rtwdev->ppdu_sts.rx_queue[i]);
for (i = 0; i < RTW89_PHY_MAX; i++)
rtwdev->ppdu_sts.curr_rx_ppdu_cnt[i] = U8_MAX;
}
void rtw89_core_update_beacon_work(struct work_struct *work)
{
struct rtw89_dev *rtwdev;
struct rtw89_vif *rtwvif = container_of(work, struct rtw89_vif,
update_beacon_work);
if (rtwvif->net_type != RTW89_NET_TYPE_AP_MODE)
return;
rtwdev = rtwvif->rtwdev;
mutex_lock(&rtwdev->mutex);
rtw89_fw_h2c_update_beacon(rtwdev, rtwvif);
mutex_unlock(&rtwdev->mutex);
}
int rtw89_wait_for_cond(struct rtw89_wait_info *wait, unsigned int cond)
{
struct completion *cmpl = &wait->completion;
unsigned long timeout;
unsigned int cur;
cur = atomic_cmpxchg(&wait->cond, RTW89_WAIT_COND_IDLE, cond);
if (cur != RTW89_WAIT_COND_IDLE)
return -EBUSY;
timeout = wait_for_completion_timeout(cmpl, RTW89_WAIT_FOR_COND_TIMEOUT);
if (timeout == 0) {
atomic_set(&wait->cond, RTW89_WAIT_COND_IDLE);
return -ETIMEDOUT;
}
if (wait->data.err)
return -EFAULT;
return 0;
}
void rtw89_complete_cond(struct rtw89_wait_info *wait, unsigned int cond,
const struct rtw89_completion_data *data)
{
unsigned int cur;
cur = atomic_cmpxchg(&wait->cond, cond, RTW89_WAIT_COND_IDLE);
if (cur != cond)
return;
wait->data = *data;
complete(&wait->completion);
}
int rtw89_core_start(struct rtw89_dev *rtwdev)
{
int ret;
rtwdev->mac.qta_mode = RTW89_QTA_SCC;
ret = rtw89_mac_init(rtwdev);
if (ret) {
rtw89_err(rtwdev, "mac init fail, ret:%d\n", ret);
return ret;
}
rtw89_btc_ntfy_poweron(rtwdev);
/* efuse process */
/* pre-config BB/RF, BB reset/RFC reset */
ret = rtw89_chip_disable_bb_rf(rtwdev);
if (ret)
return ret;
ret = rtw89_chip_enable_bb_rf(rtwdev);
if (ret)
return ret;
rtw89_phy_init_bb_reg(rtwdev);
rtw89_phy_init_rf_reg(rtwdev, false);
rtw89_btc_ntfy_init(rtwdev, BTC_MODE_NORMAL);
rtw89_phy_dm_init(rtwdev);
rtw89_mac_cfg_ppdu_status(rtwdev, RTW89_MAC_0, true);
rtw89_mac_update_rts_threshold(rtwdev, RTW89_MAC_0);
ret = rtw89_hci_start(rtwdev);
if (ret) {
rtw89_err(rtwdev, "failed to start hci\n");
return ret;
}
ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->track_work,
RTW89_TRACK_WORK_PERIOD);
set_bit(RTW89_FLAG_RUNNING, rtwdev->flags);
rtw89_btc_ntfy_radio_state(rtwdev, BTC_RFCTRL_WL_ON);
rtw89_fw_h2c_fw_log(rtwdev, rtwdev->fw.fw_log_enable);
rtw89_fw_h2c_init_ba_cam(rtwdev);
return 0;
}
void rtw89_core_stop(struct rtw89_dev *rtwdev)
{
struct rtw89_btc *btc = &rtwdev->btc;
/* Prvent to stop twice; enter_ips and ops_stop */
if (!test_bit(RTW89_FLAG_RUNNING, rtwdev->flags))
return;
rtw89_btc_ntfy_radio_state(rtwdev, BTC_RFCTRL_WL_OFF);
clear_bit(RTW89_FLAG_RUNNING, rtwdev->flags);
mutex_unlock(&rtwdev->mutex);
cancel_work_sync(&rtwdev->c2h_work);
cancel_work_sync(&rtwdev->cancel_6ghz_probe_work);
cancel_work_sync(&btc->eapol_notify_work);
cancel_work_sync(&btc->arp_notify_work);
cancel_work_sync(&btc->dhcp_notify_work);
cancel_work_sync(&btc->icmp_notify_work);
cancel_delayed_work_sync(&rtwdev->txq_reinvoke_work);
cancel_delayed_work_sync(&rtwdev->track_work);
cancel_delayed_work_sync(&rtwdev->coex_act1_work);
cancel_delayed_work_sync(&rtwdev->coex_bt_devinfo_work);
cancel_delayed_work_sync(&rtwdev->coex_rfk_chk_work);
cancel_delayed_work_sync(&rtwdev->cfo_track_work);
cancel_delayed_work_sync(&rtwdev->forbid_ba_work);
cancel_delayed_work_sync(&rtwdev->antdiv_work);
mutex_lock(&rtwdev->mutex);
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);
}
int rtw89_core_init(struct rtw89_dev *rtwdev)
{
struct rtw89_btc *btc = &rtwdev->btc;
u8 band;
INIT_LIST_HEAD(&rtwdev->ba_list);
INIT_LIST_HEAD(&rtwdev->forbid_ba_list);
INIT_LIST_HEAD(&rtwdev->rtwvifs_list);
INIT_LIST_HEAD(&rtwdev->early_h2c_list);
for (band = NL80211_BAND_2GHZ; band < NUM_NL80211_BANDS; band++) {
if (!(rtwdev->chip->support_bands & BIT(band)))
continue;
INIT_LIST_HEAD(&rtwdev->scan_info.pkt_list[band]);
}
INIT_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);
INIT_DELAYED_WORK(&rtwdev->track_work, rtw89_track_work);
INIT_DELAYED_WORK(&rtwdev->coex_act1_work, rtw89_coex_act1_work);
INIT_DELAYED_WORK(&rtwdev->coex_bt_devinfo_work, rtw89_coex_bt_devinfo_work);
INIT_DELAYED_WORK(&rtwdev->coex_rfk_chk_work, rtw89_coex_rfk_chk_work);
INIT_DELAYED_WORK(&rtwdev->cfo_track_work, rtw89_phy_cfo_track_work);
INIT_DELAYED_WORK(&rtwdev->forbid_ba_work, rtw89_forbid_ba_work);
INIT_DELAYED_WORK(&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->mutex);
mutex_init(&rtwdev->rf_mutex);
rtwdev->total_sta_assoc = 0;
rtw89_init_wait(&rtwdev->mcc.wait);
rtw89_init_wait(&rtwdev->mac.fw_ofld_wait);
INIT_WORK(&rtwdev->c2h_work, rtw89_fw_c2h_work);
INIT_WORK(&rtwdev->ips_work, rtw89_ips_work);
INIT_WORK(&rtwdev->load_firmware_work, rtw89_load_firmware_work);
INIT_WORK(&rtwdev->cancel_6ghz_probe_work, rtw89_cancel_6ghz_probe_work);
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;
INIT_WORK(&btc->eapol_notify_work, rtw89_btc_ntfy_eapol_packet_work);
INIT_WORK(&btc->arp_notify_work, rtw89_btc_ntfy_arp_packet_work);
INIT_WORK(&btc->dhcp_notify_work, rtw89_btc_ntfy_dhcp_packet_work);
INIT_WORK(&btc->icmp_notify_work, rtw89_btc_ntfy_icmp_packet_work);
init_completion(&rtwdev->fw.req.completion);
schedule_work(&rtwdev->load_firmware_work);
rtw89_ser_init(rtwdev);
rtw89_entity_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);
mutex_destroy(&rtwdev->mutex);
}
EXPORT_SYMBOL(rtw89_core_deinit);
void rtw89_core_scan_start(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif,
const u8 *mac_addr, bool hw_scan)
{
const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, RTW89_SUB_ENTITY_0);
rtwdev->scanning = true;
rtw89_leave_lps(rtwdev);
if (hw_scan)
rtw89_leave_ips_by_hwflags(rtwdev);
ether_addr_copy(rtwvif->mac_addr, mac_addr);
rtw89_btc_ntfy_scan_start(rtwdev, RTW89_PHY_0, chan->band_type);
rtw89_chip_rfk_scan(rtwdev, true);
rtw89_hci_recalc_int_mit(rtwdev);
rtw89_phy_config_edcca(rtwdev, true);
rtw89_fw_h2c_cam(rtwdev, rtwvif, NULL, mac_addr);
}
void rtw89_core_scan_complete(struct rtw89_dev *rtwdev,
struct ieee80211_vif *vif, bool hw_scan)
{
struct rtw89_vif *rtwvif = vif ? (struct rtw89_vif *)vif->drv_priv : NULL;
if (!rtwvif)
return;
ether_addr_copy(rtwvif->mac_addr, vif->addr);
rtw89_fw_h2c_cam(rtwdev, rtwvif, NULL, NULL);
rtw89_chip_rfk_scan(rtwdev, false);
rtw89_btc_ntfy_scan_finish(rtwdev, RTW89_PHY_0);
rtw89_phy_config_edcca(rtwdev, false);
rtwdev->scanning = false;
rtwdev->dig.bypass_dig = true;
if (hw_scan && (rtwdev->hw->conf.flags & IEEE80211_CONF_IDLE))
ieee80211_queue_work(rtwdev->hw, &rtwdev->ips_work);
}
static void rtw89_read_chip_ver(struct rtw89_dev *rtwdev)
{
const struct rtw89_chip_info *chip = rtwdev->chip;
int ret;
u8 val;
u8 cv;
cv = rtw89_read32_mask(rtwdev, R_AX_SYS_CFG1, B_AX_CHIP_VER_MASK);
if (chip->chip_id == RTL8852A && cv <= CHIP_CBV) {
if (rtw89_read32(rtwdev, R_AX_GPIO0_7_FUNC_SEL) == RTW89_R32_DEAD)
cv = CHIP_CAV;
else
cv = CHIP_CBV;
}
rtwdev->hal.cv = cv;
if (chip->chip_id == RTL8852B || chip->chip_id == RTL8851B) {
ret = rtw89_mac_read_xtal_si(rtwdev, XTAL_SI_CV, &val);
if (ret)
return;
rtwdev->hal.acv = u8_get_bits(val, XTAL_SI_ACV_MASK);
}
}
static void rtw89_core_setup_phycap(struct rtw89_dev *rtwdev)
{
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;
}
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;
u8 rfe_type = efuse->rfe_type;
if (!conf)
goto out;
while (conf->rfe_parms) {
if (rfe_type == conf->rfe_type) {
rtwdev->rfe_parms = conf->rfe_parms;
return;
}
conf++;
}
out:
rtwdev->rfe_parms = chip->dflt_parms;
}
static int rtw89_chip_efuse_info_setup(struct rtw89_dev *rtwdev)
{
int ret;
ret = rtw89_mac_partial_init(rtwdev);
if (ret)
return ret;
ret = rtw89_parse_efuse_map(rtwdev);
if (ret)
return ret;
ret = rtw89_parse_phycap_map(rtwdev);
if (ret)
return ret;
ret = rtw89_mac_setup_phycap(rtwdev);
if (ret)
return ret;
rtw89_core_setup_phycap(rtwdev);
rtw89_core_setup_rfe_parms(rtwdev);
rtw89_mac_pwr_off(rtwdev);
return 0;
}
static int rtw89_chip_board_info_setup(struct rtw89_dev *rtwdev)
{
rtw89_chip_fem_setup(rtwdev);
return 0;
}
int rtw89_chip_info_setup(struct rtw89_dev *rtwdev)
{
int ret;
rtw89_read_chip_ver(rtwdev);
ret = rtw89_wait_firmware_completion(rtwdev);
if (ret) {
rtw89_err(rtwdev, "failed to wait firmware completion\n");
return ret;
}
ret = rtw89_fw_recognize(rtwdev);
if (ret) {
rtw89_err(rtwdev, "failed to recognize firmware\n");
return ret;
}
ret = rtw89_chip_efuse_info_setup(rtwdev);
if (ret)
return ret;
ret = rtw89_chip_board_info_setup(rtwdev);
if (ret)
return ret;
rtwdev->ps_mode = rtw89_update_ps_mode(rtwdev);
return 0;
}
EXPORT_SYMBOL(rtw89_chip_info_setup);
static int rtw89_core_register_hw(struct rtw89_dev *rtwdev)
{
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;
hw->vif_data_size = sizeof(struct rtw89_vif);
hw->sta_data_size = sizeof(struct rtw89_sta);
hw->txq_data_size = sizeof(struct rtw89_txq);
hw->chanctx_data_size = sizeof(struct rtw89_chanctx_cfg);
SET_IEEE80211_PERM_ADDR(hw, efuse->addr);
hw->extra_tx_headroom = tx_headroom;
hw->queues = IEEE80211_NUM_ACS;
hw->max_rx_aggregation_subframes = RTW89_MAX_RX_AGG_NUM;
hw->max_tx_aggregation_subframes = RTW89_MAX_TX_AGG_NUM;
hw->uapsd_max_sp_len = IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL;
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);
if (RTW89_CHK_FW_FEATURE(BEACON_FILTER, &rtwdev->fw))
ieee80211_hw_set(hw, CONNECTION_MONITOR);
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_SPLIT_SCAN_6GHZ;
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;
#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);
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");
goto err_free_supported_band;
}
hw->wiphy->sar_capa = &rtw89_sar_capa;
ret = ieee80211_register_hw(hw);
if (ret) {
rtw89_err(rtwdev, "failed to register hw\n");
goto err_free_supported_band;
}
ret = rtw89_regd_init(rtwdev, rtw89_regd_notifier);
if (ret) {
rtw89_err(rtwdev, "failed to init regd\n");
goto err_unregister_hw;
}
return 0;
err_unregister_hw:
ieee80211_unregister_hw(hw);
err_free_supported_band:
rtw89_core_clr_supported_band(rtwdev);
return ret;
}
static void rtw89_core_unregister_hw(struct rtw89_dev *rtwdev)
{
struct ieee80211_hw *hw = rtwdev->hw;
ieee80211_unregister_hw(hw);
rtw89_core_clr_supported_band(rtwdev);
}
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_debugfs_init(rtwdev);
return 0;
}
EXPORT_SYMBOL(rtw89_core_register);
void rtw89_core_unregister(struct rtw89_dev *rtwdev)
{
rtw89_core_unregister_hw(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)
{
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 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 = NULL;
ops->remove_chanctx = NULL;
ops->change_chanctx = NULL;
ops->assign_vif_chanctx = NULL;
ops->unassign_vif_chanctx = NULL;
ops->remain_on_channel = NULL;
ops->cancel_remain_on_channel = NULL;
}
driver_data_size = sizeof(struct rtw89_dev) + bus_data_size;
hw = ieee80211_alloc_hw(driver_data_size, ops);
if (!hw)
goto err;
hw->wiphy->iface_combinations = rtw89_iface_combs;
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->fw.req.firmware = firmware;
rtwdev->fw.fw_format = fw_format;
rtw89_debug(rtwdev, RTW89_DBG_FW, "probe driver %s chanctx\n",
no_chanctx ? "without" : "with");
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);
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");
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