diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89/core.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/core.c | 2502 |
1 files changed, 2502 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c new file mode 100644 index 000000000000..d02ec5a735cb --- /dev/null +++ b/drivers/net/wireless/realtek/rtw89/core.c @@ -0,0 +1,2502 @@ +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +/* Copyright(c) 2019-2020 Realtek Corporation + */ + +#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"); + +static struct ieee80211_channel rtw89_channels_2ghz[] = { + { .center_freq = 2412, .hw_value = 1, }, + { .center_freq = 2417, .hw_value = 2, }, + { .center_freq = 2422, .hw_value = 3, }, + { .center_freq = 2427, .hw_value = 4, }, + { .center_freq = 2432, .hw_value = 5, }, + { .center_freq = 2437, .hw_value = 6, }, + { .center_freq = 2442, .hw_value = 7, }, + { .center_freq = 2447, .hw_value = 8, }, + { .center_freq = 2452, .hw_value = 9, }, + { .center_freq = 2457, .hw_value = 10, }, + { .center_freq = 2462, .hw_value = 11, }, + { .center_freq = 2467, .hw_value = 12, }, + { .center_freq = 2472, .hw_value = 13, }, + { .center_freq = 2484, .hw_value = 14, }, +}; + +static struct ieee80211_channel rtw89_channels_5ghz[] = { + {.center_freq = 5180, .hw_value = 36,}, + {.center_freq = 5200, .hw_value = 40,}, + {.center_freq = 5220, .hw_value = 44,}, + {.center_freq = 5240, .hw_value = 48,}, + {.center_freq = 5260, .hw_value = 52,}, + {.center_freq = 5280, .hw_value = 56,}, + {.center_freq = 5300, .hw_value = 60,}, + {.center_freq = 5320, .hw_value = 64,}, + {.center_freq = 5500, .hw_value = 100,}, + {.center_freq = 5520, .hw_value = 104,}, + {.center_freq = 5540, .hw_value = 108,}, + {.center_freq = 5560, .hw_value = 112,}, + {.center_freq = 5580, .hw_value = 116,}, + {.center_freq = 5600, .hw_value = 120,}, + {.center_freq = 5620, .hw_value = 124,}, + {.center_freq = 5640, .hw_value = 128,}, + {.center_freq = 5660, .hw_value = 132,}, + {.center_freq = 5680, .hw_value = 136,}, + {.center_freq = 5700, .hw_value = 140,}, + {.center_freq = 5720, .hw_value = 144,}, + {.center_freq = 5745, .hw_value = 149,}, + {.center_freq = 5765, .hw_value = 153,}, + {.center_freq = 5785, .hw_value = 157,}, + {.center_freq = 5805, .hw_value = 161,}, + {.center_freq = 5825, .hw_value = 165, + .flags = IEEE80211_CHAN_NO_HT40MINUS}, +}; + +static struct ieee80211_rate rtw89_bitrates[] = { + { .bitrate = 10, .hw_value = 0x00, }, + { .bitrate = 20, .hw_value = 0x01, }, + { .bitrate = 55, .hw_value = 0x02, }, + { .bitrate = 110, .hw_value = 0x03, }, + { .bitrate = 60, .hw_value = 0x04, }, + { .bitrate = 90, .hw_value = 0x05, }, + { .bitrate = 120, .hw_value = 0x06, }, + { .bitrate = 180, .hw_value = 0x07, }, + { .bitrate = 240, .hw_value = 0x08, }, + { .bitrate = 360, .hw_value = 0x09, }, + { .bitrate = 480, .hw_value = 0x0a, }, + { .bitrate = 540, .hw_value = 0x0b, }, +}; + +u16 rtw89_ra_report_to_bitrate(struct rtw89_dev *rtwdev, u8 rpt_rate) +{ + struct ieee80211_rate rate; + + if (unlikely(rpt_rate >= ARRAY_SIZE(rtw89_bitrates))) { + rtw89_info(rtwdev, "invalid rpt rate %d\n", rpt_rate); + return 0; + } + + rate = rtw89_bitrates[rpt_rate]; + + return rate.bitrate; +} + +static struct ieee80211_supported_band rtw89_sband_2ghz = { + .band = NL80211_BAND_2GHZ, + .channels = rtw89_channels_2ghz, + .n_channels = ARRAY_SIZE(rtw89_channels_2ghz), + .bitrates = rtw89_bitrates, + .n_bitrates = ARRAY_SIZE(rtw89_bitrates), + .ht_cap = {0}, + .vht_cap = {0}, +}; + +static struct ieee80211_supported_band rtw89_sband_5ghz = { + .band = NL80211_BAND_5GHZ, + .channels = rtw89_channels_5ghz, + .n_channels = ARRAY_SIZE(rtw89_channels_5ghz), + + /* 5G has no CCK rates, 1M/2M/5.5M/11M */ + .bitrates = rtw89_bitrates + 4, + .n_bitrates = ARRAY_SIZE(rtw89_bitrates) - 4, + .ht_cap = {0}, + .vht_cap = {0}, +}; + +static void rtw89_traffic_stats_accu(struct rtw89_dev *rtwdev, + struct rtw89_traffic_stats *stats, + struct sk_buff *skb, bool tx) +{ + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + + if (!ieee80211_is_data(hdr->frame_control)) + return; + + if (is_broadcast_ether_addr(hdr->addr1) || + is_multicast_ether_addr(hdr->addr1)) + return; + + if (tx) { + stats->tx_cnt++; + stats->tx_unicast += skb->len; + } else { + stats->rx_cnt++; + stats->rx_unicast += skb->len; + } +} + +static void rtw89_get_channel_params(struct cfg80211_chan_def *chandef, + struct rtw89_channel_params *chan_param) +{ + struct ieee80211_channel *channel = chandef->chan; + enum nl80211_chan_width width = chandef->width; + u8 *cch_by_bw = chan_param->cch_by_bw; + u32 primary_freq, center_freq; + u8 center_chan; + u8 bandwidth = RTW89_CHANNEL_WIDTH_20; + u8 primary_chan_idx = 0; + u8 i; + + center_chan = channel->hw_value; + primary_freq = channel->center_freq; + center_freq = chandef->center_freq1; + + /* assign the center channel used while 20M bw is selected */ + cch_by_bw[RTW89_CHANNEL_WIDTH_20] = channel->hw_value; + + switch (width) { + case NL80211_CHAN_WIDTH_20_NOHT: + case NL80211_CHAN_WIDTH_20: + bandwidth = RTW89_CHANNEL_WIDTH_20; + primary_chan_idx = RTW89_SC_DONT_CARE; + break; + case NL80211_CHAN_WIDTH_40: + bandwidth = RTW89_CHANNEL_WIDTH_40; + if (primary_freq > center_freq) { + primary_chan_idx = RTW89_SC_20_UPPER; + center_chan -= 2; + } else { + primary_chan_idx = RTW89_SC_20_LOWER; + center_chan += 2; + } + break; + case NL80211_CHAN_WIDTH_80: + bandwidth = RTW89_CHANNEL_WIDTH_80; + if (primary_freq > center_freq) { + if (primary_freq - center_freq == 10) { + primary_chan_idx = RTW89_SC_20_UPPER; + center_chan -= 2; + } else { + primary_chan_idx = RTW89_SC_20_UPMOST; + center_chan -= 6; + } + /* assign the center channel used + * while 40M bw is selected + */ + cch_by_bw[RTW89_CHANNEL_WIDTH_40] = center_chan + 4; + } else { + if (center_freq - primary_freq == 10) { + primary_chan_idx = RTW89_SC_20_LOWER; + center_chan += 2; + } else { + primary_chan_idx = RTW89_SC_20_LOWEST; + center_chan += 6; + } + /* assign the center channel used + * while 40M bw is selected + */ + cch_by_bw[RTW89_CHANNEL_WIDTH_40] = center_chan - 4; + } + break; + default: + center_chan = 0; + break; + } + + chan_param->center_chan = center_chan; + chan_param->primary_chan = channel->hw_value; + chan_param->bandwidth = bandwidth; + chan_param->pri_ch_idx = primary_chan_idx; + + /* assign the center channel used while current bw is selected */ + cch_by_bw[bandwidth] = center_chan; + + for (i = bandwidth + 1; i <= RTW89_MAX_CHANNEL_WIDTH; i++) + cch_by_bw[i] = 0; +} + +void rtw89_set_channel(struct rtw89_dev *rtwdev) +{ + struct ieee80211_hw *hw = rtwdev->hw; + const struct rtw89_chip_info *chip = rtwdev->chip; + struct rtw89_hal *hal = &rtwdev->hal; + struct rtw89_channel_params ch_param; + struct rtw89_channel_help_params bak; + u8 center_chan, bandwidth; + u8 band_type; + bool band_changed; + u8 i; + + rtw89_get_channel_params(&hw->conf.chandef, &ch_param); + if (WARN(ch_param.center_chan == 0, "Invalid channel\n")) + return; + + center_chan = ch_param.center_chan; + bandwidth = ch_param.bandwidth; + band_type = center_chan > 14 ? RTW89_BAND_5G : RTW89_BAND_2G; + band_changed = hal->current_band_type != band_type || + hal->current_channel == 0; + + hal->current_band_width = bandwidth; + hal->current_channel = center_chan; + hal->current_primary_channel = ch_param.primary_chan; + hal->current_band_type = band_type; + + switch (center_chan) { + case 1 ... 14: + hal->current_subband = RTW89_CH_2G; + break; + case 36 ... 64: + hal->current_subband = RTW89_CH_5G_BAND_1; + break; + case 100 ... 144: + hal->current_subband = RTW89_CH_5G_BAND_3; + break; + case 149 ... 177: + hal->current_subband = RTW89_CH_5G_BAND_4; + break; + } + + for (i = RTW89_CHANNEL_WIDTH_20; i <= RTW89_MAX_CHANNEL_WIDTH; i++) + hal->cch_by_bw[i] = ch_param.cch_by_bw[i]; + + rtw89_chip_set_channel_prepare(rtwdev, &bak); + + chip->ops->set_channel(rtwdev, &ch_param); + + rtw89_chip_set_txpwr(rtwdev); + + rtw89_chip_set_channel_done(rtwdev, &bak); + + if (band_changed) { + rtw89_btc_ntfy_switch_band(rtwdev, RTW89_PHY_0, hal->current_band_type); + rtw89_chip_rfk_band_changed(rtwdev); + } +} + +static enum rtw89_core_tx_type +rtw89_core_get_tx_type(struct rtw89_dev *rtwdev, + struct sk_buff *skb) +{ + struct ieee80211_hdr *hdr = (void *)skb->data; + __le16 fc = hdr->frame_control; + + if (ieee80211_is_mgmt(fc) || ieee80211_is_nullfunc(fc)) + return RTW89_CORE_TX_TYPE_MGMT; + + return RTW89_CORE_TX_TYPE_DATA; +} + +static void +rtw89_core_tx_update_ampdu_info(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req, u8 tid) +{ + struct ieee80211_sta *sta = tx_req->sta; + struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info; + struct rtw89_sta *rtwsta; + u8 ampdu_num; + + if (!sta) { + rtw89_warn(rtwdev, "cannot set ampdu info without sta\n"); + return; + } + + rtwsta = (struct rtw89_sta *)sta->drv_priv; + + ampdu_num = (u8)((rtwsta->ampdu_params[tid].agg_num ? + rtwsta->ampdu_params[tid].agg_num : + 4 << sta->ht_cap.ampdu_factor) - 1); + + desc_info->agg_en = true; + desc_info->ampdu_density = sta->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) +{ + struct ieee80211_vif *vif = tx_req->vif; + struct ieee80211_tx_info *info; + struct ieee80211_key_conf *key; + struct rtw89_vif *rtwvif; + struct rtw89_addr_cam_entry *addr_cam; + struct rtw89_sec_cam_entry *sec_cam; + struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info; + struct sk_buff *skb = tx_req->skb; + u8 sec_type = RTW89_SEC_KEY_TYPE_NONE; + + if (!vif) { + rtw89_warn(rtwdev, "cannot set sec key without vif\n"); + return; + } + + rtwvif = (struct rtw89_vif *)vif->drv_priv; + addr_cam = &rtwvif->addr_cam; + + info = IEEE80211_SKB_CB(skb); + key = info->control.hw_key; + sec_cam = addr_cam->sec_entries[key->hw_key_idx]; + if (!sec_cam) { + rtw89_warn(rtwdev, "sec cam entry is empty\n"); + return; + } + + switch (key->cipher) { + case WLAN_CIPHER_SUITE_WEP40: + sec_type = RTW89_SEC_KEY_TYPE_WEP40; + break; + case WLAN_CIPHER_SUITE_WEP104: + sec_type = RTW89_SEC_KEY_TYPE_WEP104; + break; + case WLAN_CIPHER_SUITE_TKIP: + sec_type = RTW89_SEC_KEY_TYPE_TKIP; + break; + case WLAN_CIPHER_SUITE_CCMP: + sec_type = RTW89_SEC_KEY_TYPE_CCMP128; + break; + case WLAN_CIPHER_SUITE_CCMP_256: + sec_type = RTW89_SEC_KEY_TYPE_CCMP256; + break; + case WLAN_CIPHER_SUITE_GCMP: + sec_type = RTW89_SEC_KEY_TYPE_GCMP128; + break; + case WLAN_CIPHER_SUITE_GCMP_256: + sec_type = RTW89_SEC_KEY_TYPE_GCMP256; + break; + default: + rtw89_warn(rtwdev, "key cipher not supported %d\n", key->cipher); + return; + } + + desc_info->sec_en = true; + desc_info->sec_type = sec_type; + desc_info->sec_cam_idx = sec_cam->sec_cam_idx; +} + +static u16 rtw89_core_get_mgmt_rate(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req) +{ + struct sk_buff *skb = tx_req->skb; + struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); + struct ieee80211_vif *vif = tx_info->control.vif; + struct rtw89_hal *hal = &rtwdev->hal; + u16 lowest_rate = hal->current_band_type == RTW89_BAND_2G ? + RTW89_HW_RATE_CCK1 : RTW89_HW_RATE_OFDM6; + + if (!vif || !vif->bss_conf.basic_rates || !tx_req->sta) + return lowest_rate; + + return __ffs(vif->bss_conf.basic_rates) + lowest_rate; +} + +static void +rtw89_core_tx_update_mgmt_info(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req) +{ + struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info; + u8 qsel, ch_dma; + + qsel = RTW89_TX_QSEL_B0_MGMT; + ch_dma = rtw89_core_get_ch_dma(rtwdev, qsel); + + desc_info->qsel = RTW89_TX_QSEL_B0_MGMT; + desc_info->ch_dma = ch_dma; + + /* fixed data rate for mgmt frames */ + desc_info->en_wd_info = true; + desc_info->use_rate = true; + desc_info->dis_data_fb = true; + desc_info->data_rate = rtw89_core_get_mgmt_rate(rtwdev, tx_req); + + rtw89_debug(rtwdev, RTW89_DBG_TXRX, + "tx mgmt frame with rate 0x%x on channel %d (bw %d)\n", + desc_info->data_rate, rtwdev->hal.current_channel, + rtwdev->hal.current_band_width); +} + +static void +rtw89_core_tx_update_h2c_info(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req) +{ + struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info; + + desc_info->is_bmc = false; + desc_info->wd_page = false; + desc_info->ch_dma = RTW89_DMA_H2C; +} + +static void rtw89_core_get_no_ul_ofdma_htc(struct rtw89_dev *rtwdev, __le32 *htc) +{ + static const u8 rtw89_bandwidth_to_om[] = { + [RTW89_CHANNEL_WIDTH_20] = HTC_OM_CHANNEL_WIDTH_20, + [RTW89_CHANNEL_WIDTH_40] = HTC_OM_CHANNEL_WIDTH_40, + [RTW89_CHANNEL_WIDTH_80] = HTC_OM_CHANNEL_WIDTH_80, + [RTW89_CHANNEL_WIDTH_160] = HTC_OM_CHANNEL_WIDTH_160_OR_80_80, + [RTW89_CHANNEL_WIDTH_80_80] = HTC_OM_CHANNEL_WIDTH_160_OR_80_80, + }; + const struct rtw89_chip_info *chip = rtwdev->chip; + struct rtw89_hal *hal = &rtwdev->hal; + u8 om_bandwidth; + + if (!chip->dis_2g_40m_ul_ofdma || + hal->current_band_type != RTW89_BAND_2G || + hal->current_band_width != RTW89_CHANNEL_WIDTH_40) + return; + + om_bandwidth = hal->current_band_width < ARRAY_SIZE(rtw89_bandwidth_to_om) ? + rtw89_bandwidth_to_om[hal->current_band_width] : 0; + *htc = le32_encode_bits(RTW89_HTC_VARIANT_HE, RTW89_HTC_MASK_VARIANT) | + le32_encode_bits(RTW89_HTC_VARIANT_HE_CID_OM, RTW89_HTC_MASK_CTL_ID) | + le32_encode_bits(hal->rx_nss - 1, RTW89_HTC_MASK_HTC_OM_RX_NSS) | + le32_encode_bits(om_bandwidth, RTW89_HTC_MASK_HTC_OM_CH_WIDTH) | + le32_encode_bits(1, RTW89_HTC_MASK_HTC_OM_UL_MU_DIS) | + le32_encode_bits(hal->tx_nss - 1, RTW89_HTC_MASK_HTC_OM_TX_NSTS) | + le32_encode_bits(0, RTW89_HTC_MASK_HTC_OM_ER_SU_DIS) | + le32_encode_bits(0, RTW89_HTC_MASK_HTC_OM_DL_MU_MIMO_RR) | + le32_encode_bits(0, RTW89_HTC_MASK_HTC_OM_UL_MU_DATA_DIS); +} + +static bool +__rtw89_core_tx_check_he_qos_htc(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req, + enum btc_pkt_type pkt_type) +{ + struct ieee80211_sta *sta = tx_req->sta; + struct sk_buff *skb = tx_req->skb; + struct ieee80211_hdr *hdr = (void *)skb->data; + __le16 fc = hdr->frame_control; + + /* AP IOT issue with EAPoL, ARP and DHCP */ + if (pkt_type < PACKET_MAX) + return false; + + if (!sta || !sta->he_cap.has_he) + return false; + + if (!ieee80211_is_data_qos(fc)) + return false; + + if (skb_headroom(skb) < IEEE80211_HT_CTL_LEN) + return false; + + return true; +} + +static void +__rtw89_core_tx_adjust_he_qos_htc(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req) +{ + struct ieee80211_sta *sta = tx_req->sta; + struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv; + struct sk_buff *skb = tx_req->skb; + struct ieee80211_hdr *hdr = (void *)skb->data; + __le16 fc = hdr->frame_control; + void *data; + __le32 *htc; + u8 *qc; + int hdr_len; + + hdr_len = ieee80211_has_a4(fc) ? 32 : 26; + data = skb_push(skb, IEEE80211_HT_CTL_LEN); + memmove(data, data + IEEE80211_HT_CTL_LEN, hdr_len); + + hdr = data; + htc = data + hdr_len; + hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_ORDER); + *htc = rtwsta->htc_template ? rtwsta->htc_template : + le32_encode_bits(RTW89_HTC_VARIANT_HE, RTW89_HTC_MASK_VARIANT) | + le32_encode_bits(RTW89_HTC_VARIANT_HE_CID_CAS, RTW89_HTC_MASK_CTL_ID); + + qc = data + hdr_len - IEEE80211_QOS_CTL_LEN; + qc[0] |= IEEE80211_QOS_CTL_EOSP; +} + +static void +rtw89_core_tx_update_he_qos_htc(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req, + enum btc_pkt_type pkt_type) +{ + struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info; + struct ieee80211_vif *vif = tx_req->vif; + struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv; + + if (!__rtw89_core_tx_check_he_qos_htc(rtwdev, tx_req, pkt_type)) + goto desc_bk; + + __rtw89_core_tx_adjust_he_qos_htc(rtwdev, tx_req); + + desc_info->pkt_size += IEEE80211_HT_CTL_LEN; + desc_info->a_ctrl_bsr = true; + +desc_bk: + if (!rtwvif || rtwvif->last_a_ctrl == desc_info->a_ctrl_bsr) + return; + + rtwvif->last_a_ctrl = desc_info->a_ctrl_bsr; + desc_info->bk = true; +} + +static void +rtw89_core_tx_update_data_info(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req) +{ + struct ieee80211_vif *vif = tx_req->vif; + struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv; + struct rtw89_phy_rate_pattern *rate_pattern = &rtwvif->rate_pattern; + struct rtw89_hal *hal = &rtwdev->hal; + struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info; + struct sk_buff *skb = tx_req->skb; + u8 tid, tid_indicate; + u8 qsel, ch_dma; + + tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK; + tid_indicate = rtw89_core_get_tid_indicate(rtwdev, tid); + qsel = 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; + + /* enable wd_info for AMPDU */ + desc_info->en_wd_info = true; + + if (IEEE80211_SKB_CB(skb)->flags & IEEE80211_TX_CTL_AMPDU) + rtw89_core_tx_update_ampdu_info(rtwdev, tx_req, tid); + if (IEEE80211_SKB_CB(skb)->control.hw_key) + rtw89_core_tx_update_sec_key(rtwdev, tx_req); + + if (rate_pattern->enable) + desc_info->data_retry_lowest_rate = rate_pattern->rate; + else if (hal->current_band_type == RTW89_BAND_2G) + desc_info->data_retry_lowest_rate = RTW89_HW_RATE_CCK1; + else + desc_info->data_retry_lowest_rate = RTW89_HW_RATE_OFDM6; +} + +static enum btc_pkt_type +rtw89_core_tx_btc_spec_pkt_notify(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req) +{ + struct sk_buff *skb = tx_req->skb; + struct udphdr *udphdr; + + if (IEEE80211_SKB_CB(skb)->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO) { + ieee80211_queue_work(rtwdev->hw, &rtwdev->btc.eapol_notify_work); + return PACKET_EAPOL; + } + + if (skb->protocol == htons(ETH_P_ARP)) { + ieee80211_queue_work(rtwdev->hw, &rtwdev->btc.arp_notify_work); + return PACKET_ARP; + } + + if (skb->protocol == htons(ETH_P_IP) && + ip_hdr(skb)->protocol == IPPROTO_UDP) { + udphdr = udp_hdr(skb); + if (((udphdr->source == htons(67) && udphdr->dest == htons(68)) || + (udphdr->source == htons(68) && udphdr->dest == htons(67))) && + skb->len > 282) { + ieee80211_queue_work(rtwdev->hw, &rtwdev->btc.dhcp_notify_work); + return PACKET_DHCP; + } + } + + if (skb->protocol == htons(ETH_P_IP) && + ip_hdr(skb)->protocol == IPPROTO_ICMP) { + ieee80211_queue_work(rtwdev->hw, &rtwdev->btc.icmp_notify_work); + return PACKET_ICMP; + } + + return PACKET_MAX; +} + +static void +rtw89_core_tx_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_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; + + switch (tx_req->tx_type) { + case RTW89_CORE_TX_TYPE_MGMT: + rtw89_core_tx_update_mgmt_info(rtwdev, tx_req); + break; + case RTW89_CORE_TX_TYPE_DATA: + rtw89_core_tx_update_data_info(rtwdev, tx_req); + pkt_type = rtw89_core_tx_btc_spec_pkt_notify(rtwdev, tx_req); + rtw89_core_tx_update_he_qos_htc(rtwdev, tx_req, pkt_type); + break; + case RTW89_CORE_TX_TYPE_FWCMD: + rtw89_core_tx_update_h2c_info(rtwdev, tx_req); + break; + } +} + +void rtw89_core_tx_kick_off(struct rtw89_dev *rtwdev, u8 qsel) +{ + u8 ch_dma; + + ch_dma = rtw89_core_get_ch_dma(rtwdev, qsel); + + rtw89_hci_tx_kick_off(rtwdev, ch_dma); +} + +int rtw89_h2c_tx(struct rtw89_dev *rtwdev, + struct sk_buff *skb, bool fwdl) +{ + struct rtw89_core_tx_request tx_req = {0}; + u32 cnt; + int ret; + + tx_req.skb = skb; + tx_req.tx_type = RTW89_CORE_TX_TYPE_FWCMD; + if (fwdl) + tx_req.desc_info.fw_dl = true; + + rtw89_core_tx_update_desc_info(rtwdev, &tx_req); + + if (!fwdl) + rtw89_hex_dump(rtwdev, RTW89_DBG_FW, "H2C: ", skb->data, skb->len); + + cnt = rtw89_hci_check_and_reclaim_tx_resource(rtwdev, RTW89_TXCH_CH12); + if (cnt == 0) { + rtw89_err(rtwdev, "no tx fwcmd resource\n"); + return -ENOSPC; + } + + ret = rtw89_hci_tx_write(rtwdev, &tx_req); + if (ret) { + rtw89_err(rtwdev, "failed to transmit skb to HCI\n"); + return ret; + } + rtw89_hci_tx_kick_off(rtwdev, RTW89_TXCH_CH12); + + return 0; +} + +int rtw89_core_tx_write(struct rtw89_dev *rtwdev, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, struct sk_buff *skb, int *qsel) +{ + struct rtw89_core_tx_request tx_req = {0}; + struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv; + int ret; + + tx_req.skb = skb; + tx_req.sta = sta; + tx_req.vif = vif; + + rtw89_traffic_stats_accu(rtwdev, &rtwdev->stats, skb, true); + rtw89_traffic_stats_accu(rtwdev, &rtwvif->stats, skb, true); + rtw89_core_tx_update_desc_info(rtwdev, &tx_req); + 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); + + 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); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_body3(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(RTW89_TXWD_BODY3_SW_SEQ, desc_info->seq) | + FIELD_PREP(RTW89_TXWD_BODY3_AGG_EN, desc_info->agg_en) | + FIELD_PREP(RTW89_TXWD_BODY3_BK, desc_info->bk); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_info0(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(RTW89_TXWD_INFO0_USE_RATE, desc_info->use_rate) | + FIELD_PREP(RTW89_TXWD_INFO0_DATA_RATE, desc_info->data_rate) | + FIELD_PREP(RTW89_TXWD_INFO0_DISDATAFB, desc_info->dis_data_fb); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_info1(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(RTW89_TXWD_INFO1_MAX_AGGNUM, desc_info->ampdu_num) | + FIELD_PREP(RTW89_TXWD_INFO1_A_CTRL_BSR, desc_info->a_ctrl_bsr) | + FIELD_PREP(RTW89_TXWD_INFO1_DATA_RTY_LOWEST_RATE, + desc_info->data_retry_lowest_rate); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_info2(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(RTW89_TXWD_INFO2_AMPDU_DENSITY, desc_info->ampdu_density) | + FIELD_PREP(RTW89_TXWD_INFO2_SEC_TYPE, desc_info->sec_type) | + FIELD_PREP(RTW89_TXWD_INFO2_SEC_HW_ENC, desc_info->sec_en) | + FIELD_PREP(RTW89_TXWD_INFO2_SEC_CAM_IDX, desc_info->sec_cam_idx); + + return cpu_to_le32(dword); +} + +static __le32 rtw89_build_txwd_info4(struct rtw89_tx_desc_info *desc_info) +{ + u32 dword = FIELD_PREP(RTW89_TXWD_INFO4_RTS_EN, 1) | + FIELD_PREP(RTW89_TXWD_INFO4_HW_RTS_EN, 1); + + return cpu_to_le32(dword); +} + +void rtw89_core_fill_txdesc(struct rtw89_dev *rtwdev, + struct rtw89_tx_desc_info *desc_info, + void *txdesc) +{ + struct rtw89_txwd_body *txwd_body = (struct rtw89_txwd_body *)txdesc; + struct rtw89_txwd_info *txwd_info; + + txwd_body->dword0 = rtw89_build_txwd_body0(desc_info); + txwd_body->dword2 = rtw89_build_txwd_body2(desc_info); + txwd_body->dword3 = rtw89_build_txwd_body3(desc_info); + + if (!desc_info->en_wd_info) + return; + + txwd_info = (struct rtw89_txwd_info *)(txwd_body + 1); + txwd_info->dword0 = rtw89_build_txwd_info0(desc_info); + txwd_info->dword1 = rtw89_build_txwd_info1(desc_info); + txwd_info->dword2 = rtw89_build_txwd_info2(desc_info); + txwd_info->dword4 = rtw89_build_txwd_info4(desc_info); + +} +EXPORT_SYMBOL(rtw89_core_fill_txdesc); + +static int rtw89_core_rx_process_mac_ppdu(struct rtw89_dev *rtwdev, + struct sk_buff *skb, + struct rtw89_rx_phy_ppdu *phy_ppdu) +{ + bool rx_cnt_valid = false; + u8 plcp_size = 0; + u8 usr_num = 0; + u8 *phy_sts; + + rx_cnt_valid = RTW89_GET_RXINFO_RX_CNT_VLD(skb->data); + plcp_size = RTW89_GET_RXINFO_PLCP_LEN(skb->data) << 3; + usr_num = RTW89_GET_RXINFO_USR_NUM(skb->data); + 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; + + if (rtwsta->mac_id == phy_ppdu->mac_id && phy_ppdu->to_self) + ewma_rssi_add(&rtwsta->avg_rssi, phy_ppdu->rssi_avg); +} + +#define VAR_LEN 0xff +#define VAR_LEN_UNIT 8 +static u16 rtw89_core_get_phy_status_ie_len(struct rtw89_dev *rtwdev, u8 *addr) +{ + 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 = RTW89_GET_PHY_STS_IE_TYPE(addr); + if (physts_ie_len_tab[ie] != VAR_LEN) + ie_len = physts_ie_len_tab[ie]; + else + ie_len = RTW89_GET_PHY_STS_IE_LEN(addr) * VAR_LEN_UNIT; + + return ie_len; +} + +static void rtw89_core_parse_phy_status_ie01(struct rtw89_dev *rtwdev, u8 *addr, + struct rtw89_rx_phy_ppdu *phy_ppdu) +{ + s16 cfo; + + /* sign conversion for S(12,2) */ + cfo = sign_extend32(RTW89_GET_PHY_STS_IE0_CFO(addr), 11); + rtw89_phy_cfo_parse(rtwdev, cfo, phy_ppdu); +} + +static int rtw89_core_process_phy_status_ie(struct rtw89_dev *rtwdev, u8 *addr, + struct rtw89_rx_phy_ppdu *phy_ppdu) +{ + u8 ie; + + ie = RTW89_GET_PHY_STS_IE_TYPE(addr); + switch (ie) { + case RTW89_PHYSTS_IE01_CMN_OFDM: + rtw89_core_parse_phy_status_ie01(rtwdev, addr, phy_ppdu); + break; + default: + break; + } + + return 0; +} + +static void rtw89_core_update_phy_ppdu(struct rtw89_rx_phy_ppdu *phy_ppdu) +{ + s8 *rssi = phy_ppdu->rssi; + u8 *buf = phy_ppdu->buf; + + phy_ppdu->rssi_avg = RTW89_GET_PHY_STS_RSSI_AVG(buf); + rssi[RF_PATH_A] = RTW89_RSSI_RAW_TO_DBM(RTW89_GET_PHY_STS_RSSI_A(buf)); + rssi[RF_PATH_B] = RTW89_RSSI_RAW_TO_DBM(RTW89_GET_PHY_STS_RSSI_B(buf)); + rssi[RF_PATH_C] = RTW89_RSSI_RAW_TO_DBM(RTW89_GET_PHY_STS_RSSI_C(buf)); + rssi[RF_PATH_D] = RTW89_RSSI_RAW_TO_DBM(RTW89_GET_PHY_STS_RSSI_D(buf)); +} + +static int rtw89_core_rx_process_phy_ppdu(struct rtw89_dev *rtwdev, + struct rtw89_rx_phy_ppdu *phy_ppdu) +{ + if (RTW89_GET_PHY_STS_LEN(phy_ppdu->buf) << 3 != phy_ppdu->len) { + rtw89_warn(rtwdev, "phy ppdu len mismatch\n"); + return -EINVAL; + } + rtw89_core_update_phy_ppdu(phy_ppdu); + ieee80211_iterate_stations_atomic(rtwdev->hw, + rtw89_core_rx_process_phy_ppdu_iter, + 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; + u8 *pos, *end; + + if (!phy_ppdu->to_self) + return 0; + + pos = (u8 *)phy_ppdu->buf + PHY_STS_HDR_LEN; + end = (u8 *)phy_ppdu->buf + phy_ppdu->len; + while (pos < end) { + ie_len = rtw89_core_get_phy_status_ie_len(rtwdev, pos); + rtw89_core_process_phy_status_ie(rtwdev, pos, phy_ppdu); + pos += ie_len; + if (pos > end || ie_len == 0) { + rtw89_debug(rtwdev, RTW89_DBG_TXRX, + "phy status parse failed\n"); + return -EINVAL; + } + } + + 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; +} + +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); + /* No 4 CCK rates for 5G */ + if (status->band == NL80211_BAND_5GHZ) + rate_idx -= 4; + } 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); + } + + if (desc_info->bw == RTW89_CHANNEL_WIDTH_80) + bw = RATE_INFO_BW_80; + else if (desc_info->bw == RTW89_CHANNEL_WIDTH_40) + bw = RATE_INFO_BW_40; + else + bw = RATE_INFO_BW_20; + + 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_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; + const u8 *bssid = iter_data->bssid; + + if (!ether_addr_equal(vif->bss_conf.bssid, bssid)) + return; + + if (ieee80211_is_beacon(hdr->frame_control)) + 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_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_core_rx_stats(rtwdev, phy_ppdu, desc_info, skb_ppdu); + ieee80211_rx_napi(rtwdev->hw, NULL, skb_ppdu, &rtwdev->napi); + rtwdev->napi_budget_countdown--; + } +} + +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, + .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) +{ + 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 = RTW89_GET_RXWD_PKT_SIZE(rxd_s); + desc_info->drv_info_size = RTW89_GET_RXWD_DRV_INFO_SIZE(rxd_s); + desc_info->long_rxdesc = RTW89_GET_RXWD_LONG_RXD(rxd_s); + desc_info->pkt_type = RTW89_GET_RXWD_RPKT_TYPE(rxd_s); + desc_info->mac_info_valid = RTW89_GET_RXWD_MAC_INFO_VALID(rxd_s); + desc_info->bw = RTW89_GET_RXWD_BW(rxd_s); + desc_info->data_rate = RTW89_GET_RXWD_DATA_RATE(rxd_s); + desc_info->gi_ltf = RTW89_GET_RXWD_GI_LTF(rxd_s); + desc_info->user_id = RTW89_GET_RXWD_USER_ID(rxd_s); + desc_info->sr_en = RTW89_GET_RXWD_SR_EN(rxd_s); + desc_info->ppdu_cnt = RTW89_GET_RXWD_PPDU_CNT(rxd_s); + desc_info->ppdu_type = RTW89_GET_RXWD_PPDU_TYPE(rxd_s); + desc_info->free_run_cnt = RTW89_GET_RXWD_FREE_RUN_CNT(rxd_s); + desc_info->icv_err = RTW89_GET_RXWD_ICV_ERR(rxd_s); + desc_info->crc32_err = RTW89_GET_RXWD_CRC32_ERR(rxd_s); + desc_info->hw_dec = RTW89_GET_RXWD_HW_DEC(rxd_s); + desc_info->sw_dec = RTW89_GET_RXWD_SW_DEC(rxd_s); + desc_info->addr1_match = RTW89_GET_RXWD_A1_MATCH(rxd_s); + + 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; + desc_info->ready = true; + + if (!desc_info->long_rxdesc) + return; + + rxd_l = (struct rtw89_rxdesc_long *)(data + data_offset); + desc_info->frame_type = RTW89_GET_RXWD_TYPE(rxd_l); + desc_info->addr_cam_valid = RTW89_GET_RXWD_ADDR_CAM_VLD(rxd_l); + desc_info->addr_cam_id = RTW89_GET_RXWD_ADDR_CAM_ID(rxd_l); + desc_info->sec_cam_id = RTW89_GET_RXWD_SEC_CAM_ID(rxd_l); + desc_info->mac_id = RTW89_GET_RXWD_MAC_ID(rxd_l); + desc_info->rx_pl_id = RTW89_GET_RXWD_RX_PL_ID(rxd_l); +} +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) +{ + struct ieee80211_hw *hw = rtwdev->hw; + u16 data_rate; + u8 data_rate_mode; + + /* currently using single PHY */ + rx_status->freq = hw->conf.chandef.chan->center_freq; + rx_status->band = hw->conf.chandef.chan->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; + + if (desc_info->bw == RTW89_CHANNEL_WIDTH_80) + rx_status->bw = RATE_INFO_BW_80; + else if (desc_info->bw == RTW89_CHANNEL_WIDTH_40) + rx_status->bw = RATE_INFO_BW_40; + else + rx_status->bw = RATE_INFO_BW_20; + + 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); + /* No 4 CCK rates for 5G */ + if (rx_status->band == NL80211_BAND_5GHZ) + rx_status->rate_idx -= 4; + if (rtwdev->scanning) + rx_status->rate_idx = min_t(u8, rx_status->rate_idx, + ARRAY_SIZE(rtw89_bitrates) - 5); + } 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) + return RTW89_PS_MODE_NONE; + + if (chip->ps_mode_supported & BIT(RTW89_PS_MODE_PWR_GATED)) + 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 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]); + rtw89_core_rx_stats(rtwdev, NULL, desc_info, skb_ppdu); + ieee80211_rx_napi(rtwdev->hw, NULL, skb_ppdu, &rtwdev->napi); + rtwdev->napi_budget_countdown--; + } +} + +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_stats(rtwdev, NULL, desc_info, skb); + ieee80211_rx_napi(rtwdev->hw, NULL, skb, &rtwdev->napi); + rtwdev->napi_budget_countdown--; + } +} +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, NAPI_POLL_WEIGHT); +} +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_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 (unlikely(skb_get_queue_mapping(skb) == IEEE80211_AC_VO)) + return; + + if (unlikely(skb->protocol == cpu_to_be16(ETH_P_PAE))) + 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; + + 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"); + return; + } + 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; + } + } +} + +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_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; + 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)); + } + ieee80211_txq_schedule_end(hw, ac); +} + +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 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; + + 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); + + 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) + return; + + if (rtwvif->stats.tx_tfc_lv == RTW89_TFC_IDLE && + rtwvif->stats.rx_tfc_lv == RTW89_TFC_IDLE) + rtw89_enter_lps(rtwdev, rtwvif->mac_id); +} + +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; + + 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); + + 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); +} + +#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) { + RTW89_TYPE_MAPPING(ADHOC); + RTW89_TYPE_MAPPING(STATION); + RTW89_TYPE_MAPPING(AP); + 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; + 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; + int i; + + rtwsta->rtwvif = rtwvif; + rtwsta->prev_rssi = 0; + + for (i = 0; i < ARRAY_SIZE(sta->txq); i++) + rtw89_core_txq_init(rtwdev, sta->txq[i]); + + ewma_rssi_init(&rtwsta->avg_rssi); + + if (vif->type == NL80211_IFTYPE_STATION) { + rtwvif->mgd.ap = sta; + rtw89_btc_ntfy_role_info(rtwdev, rtwvif, rtwsta, + BTC_ROLE_MSTS_STA_CONN_START); + rtw89_chip_rfk_channel(rtwdev); + } + + return 0; +} + +int rtw89_core_sta_disassoc(struct rtw89_dev *rtwdev, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv; + + rtwdev->total_sta_assoc--; + 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; + 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_vif_type_mapping(vif, false); + + 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, 1); + if (ret) { + rtw89_warn(rtwdev, "failed to send h2c join info\n"); + return ret; + } + + /* update cam aid mac_id net_type */ + rtw89_fw_h2c_cam(rtwdev, rtwvif); + 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; + int ret; + + rtw89_vif_type_mapping(vif, 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; + } + + /* for station mode, assign the mac_id from itself */ + if (vif->type == NL80211_IFTYPE_STATION) + rtwsta->mac_id = rtwvif->mac_id; + + ret = rtw89_fw_h2c_join_info(rtwdev, rtwvif, 0); + if (ret) { + rtw89_warn(rtwdev, "failed to send h2c join info\n"); + return ret; + } + + /* update cam aid mac_id net_type */ + rtw89_fw_h2c_cam(rtwdev, rtwvif); + if (ret) { + rtw89_warn(rtwdev, "failed to send h2c cam\n"); + return ret; + } + + ret = rtw89_fw_h2c_general_pkt(rtwdev, rtwsta->mac_id); + if (ret) { + rtw89_warn(rtwdev, "failed to send h2c general packet\n"); + return ret; + } + + rtwdev->total_sta_assoc++; + 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) { + 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); + } + + 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; + + if (vif->type == NL80211_IFTYPE_STATION) + rtw89_btc_ntfy_role_info(rtwdev, rtwvif, rtwsta, + BTC_ROLE_MSTS_STA_DIS_CONN); + + return 0; +} + +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[RF_PATH_MAX] = { + cpu_to_le16(433), cpu_to_le16(867), cpu_to_le16(1300), cpu_to_le16(1733), + }; + 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; + 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; + if (i == NL80211_IFTYPE_AP) + 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; + phy_cap_info[0] = IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G | + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_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; + 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; + 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 | + IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US; + 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); + + 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; + u32 size = sizeof(struct ieee80211_supported_band); + + 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; + + 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; + + return 0; + +err: + hw->wiphy->bands[NL80211_BAND_2GHZ] = NULL; + hw->wiphy->bands[NL80211_BAND_5GHZ] = NULL; + if (sband_2ghz) + kfree(sband_2ghz->iftype_data); + if (sband_5ghz) + kfree(sband_5ghz->iftype_data); + kfree(sband_2ghz); + kfree(sband_5ghz); + return -ENOMEM; +} + +static void rtw89_core_clr_supported_band(struct rtw89_dev *rtwdev) +{ + struct ieee80211_hw *hw = rtwdev->hw; + + kfree(hw->wiphy->bands[NL80211_BAND_2GHZ]->iftype_data); + kfree(hw->wiphy->bands[NL80211_BAND_5GHZ]->iftype_data); + kfree(hw->wiphy->bands[NL80211_BAND_2GHZ]); + kfree(hw->wiphy->bands[NL80211_BAND_5GHZ]); + hw->wiphy->bands[NL80211_BAND_2GHZ] = NULL; + hw->wiphy->bands[NL80211_BAND_5GHZ] = 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; +} + +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 */ + rtw89_mac_disable_bb_rf(rtwdev); + rtw89_mac_enable_bb_rf(rtwdev); + rtw89_phy_init_bb_reg(rtwdev); + rtw89_phy_init_rf_reg(rtwdev); + + 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); + + 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(&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); + + 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; + int ret; + + INIT_LIST_HEAD(&rtwdev->ba_list); + INIT_LIST_HEAD(&rtwdev->rtwvifs_list); + INIT_LIST_HEAD(&rtwdev->early_h2c_list); + 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); + rtwdev->txq_wq = alloc_workqueue("rtw89_tx_wq", WQ_UNBOUND | WQ_HIGHPRI, 0); + spin_lock_init(&rtwdev->ba_lock); + mutex_init(&rtwdev->mutex); + mutex_init(&rtwdev->rf_mutex); + rtwdev->total_sta_assoc = 0; + + INIT_WORK(&rtwdev->c2h_work, rtw89_fw_c2h_work); + skb_queue_head_init(&rtwdev->c2h_queue); + rtw89_core_ppdu_sts_init(rtwdev); + rtw89_traffic_stats_init(rtwdev, &rtwdev->stats); + + rtwdev->ps_mode = rtw89_update_ps_mode(rtwdev); + 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); + + ret = rtw89_load_firmware(rtwdev); + if (ret) { + rtw89_warn(rtwdev, "no firmware loaded\n"); + return ret; + } + rtw89_ser_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); + +static void rtw89_read_chip_ver(struct rtw89_dev *rtwdev) +{ + u8 cv; + + cv = rtw89_read32_mask(rtwdev, R_AX_SYS_CFG1, B_AX_CHIP_VER_MASK); + if (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; +} + +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_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; + + 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; + 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); + + 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; + + 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); + + hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); + 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->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; + + 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; + } + + hw->wiphy->reg_notifier = rtw89_regd_notifier; + hw->wiphy->sar_capa = &rtw89_sar_capa; + + ret = ieee80211_register_hw(hw); + if (ret) { + rtw89_err(rtwdev, "failed to register hw\n"); + goto err; + } + + ret = rtw89_regd_init(rtwdev, rtw89_regd_notifier); + if (ret) { + rtw89_err(rtwdev, "failed to init regd\n"); + goto err; + } + + return 0; + +err: + 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); + +MODULE_AUTHOR("Realtek Corporation"); +MODULE_DESCRIPTION("Realtek 802.11ax wireless core module"); +MODULE_LICENSE("Dual BSD/GPL"); |