diff --git a/drivers/net/wireless/realtek/rtw88/Makefile b/drivers/net/wireless/realtek/rtw88/Makefile index 77edee2df8b8..15e12155a04c 100644 --- a/drivers/net/wireless/realtek/rtw88/Makefile +++ b/drivers/net/wireless/realtek/rtw88/Makefile @@ -14,6 +14,7 @@ rtw88-y += main.o \ fw.o \ ps.o \ sec.o \ + bf.o \ regd.o rtw88-$(CONFIG_RTW88_8822BE) += rtw8822b.o rtw8822b_table.o diff --git a/drivers/net/wireless/realtek/rtw88/bf.c b/drivers/net/wireless/realtek/rtw88/bf.c new file mode 100644 index 000000000000..fda771d23f71 --- /dev/null +++ b/drivers/net/wireless/realtek/rtw88/bf.c @@ -0,0 +1,400 @@ +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +/* Copyright(c) 2018-2019 Realtek Corporation. + */ + +#include "main.h" +#include "reg.h" +#include "bf.h" +#include "debug.h" + +void rtw_bf_disassoc(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, + struct ieee80211_bss_conf *bss_conf) +{ + struct rtw_chip_info *chip = rtwdev->chip; + struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; + struct rtw_bfee *bfee = &rtwvif->bfee; + struct rtw_bf_info *bfinfo = &rtwdev->bf_info; + + if (bfee->role == RTW_BFEE_NONE) + return; + + if (bfee->role == RTW_BFEE_MU) + bfinfo->bfer_mu_cnt--; + else if (bfee->role == RTW_BFEE_SU) + bfinfo->bfer_su_cnt--; + + chip->ops->config_bfee(rtwdev, rtwvif, bfee, false); + + bfee->role = RTW_BFEE_NONE; +} + +void rtw_bf_assoc(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, + struct ieee80211_bss_conf *bss_conf) +{ + struct ieee80211_hw *hw = rtwdev->hw; + struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; + struct rtw_bfee *bfee = &rtwvif->bfee; + struct rtw_bf_info *bfinfo = &rtwdev->bf_info; + struct rtw_chip_info *chip = rtwdev->chip; + struct ieee80211_sta *sta; + struct ieee80211_sta_vht_cap *vht_cap; + struct ieee80211_sta_vht_cap *ic_vht_cap; + const u8 *bssid = bss_conf->bssid; + u32 sound_dim; + u8 bfee_role = RTW_BFEE_NONE; + u8 i; + + if (!(chip->band & RTW_BAND_5G)) + return; + + rcu_read_lock(); + + sta = ieee80211_find_sta(vif, bssid); + if (!sta) { + rtw_warn(rtwdev, "failed to find station entry for bss %pM\n", + bssid); + goto out_unlock; + } + + ic_vht_cap = &hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap; + vht_cap = &sta->vht_cap; + + if ((ic_vht_cap->cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE) && + (vht_cap->cap & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) { + if (bfinfo->bfer_mu_cnt >= chip->bfer_mu_max_num) { + rtw_dbg(rtwdev, RTW_DBG_BF, "mu bfer number over limit\n"); + goto out_unlock; + } + + ether_addr_copy(bfee->mac_addr, bssid); + bfee_role = RTW_BFEE_MU; + bfee->p_aid = (bssid[5] << 1) | (bssid[4] >> 7); + bfee->aid = bss_conf->aid; + bfinfo->bfer_mu_cnt++; + + chip->ops->config_bfee(rtwdev, rtwvif, bfee, true); + } else if ((ic_vht_cap->cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE) && + (vht_cap->cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)) { + if (bfinfo->bfer_su_cnt >= chip->bfer_su_max_num) { + rtw_dbg(rtwdev, RTW_DBG_BF, "su bfer number over limit\n"); + goto out_unlock; + } + + sound_dim = vht_cap->cap & + IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK; + sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT; + + ether_addr_copy(bfee->mac_addr, bssid); + bfee_role = RTW_BFEE_SU; + bfee->sound_dim = (u8)sound_dim; + bfee->g_id = 0; + bfee->p_aid = (bssid[5] << 1) | (bssid[4] >> 7); + bfinfo->bfer_su_cnt++; + for (i = 0; i < chip->bfer_su_max_num; i++) { + if (!test_bit(i, bfinfo->bfer_su_reg_maping)) { + set_bit(i, bfinfo->bfer_su_reg_maping); + bfee->su_reg_index = i; + break; + } + } + + chip->ops->config_bfee(rtwdev, rtwvif, bfee, true); + } + +out_unlock: + bfee->role = bfee_role; + rcu_read_unlock(); +} + +void rtw_bf_init_bfer_entry_mu(struct rtw_dev *rtwdev, + struct mu_bfer_init_para *param) +{ + u16 mu_bf_ctl = 0; + u8 *addr = param->bfer_address; + int i; + + for (i = 0; i < ETH_ALEN; i++) + rtw_write8(rtwdev, REG_ASSOCIATED_BFMER0_INFO + i, addr[i]); + rtw_write16(rtwdev, REG_ASSOCIATED_BFMER0_INFO + 6, param->paid); + rtw_write16(rtwdev, REG_TX_CSI_RPT_PARAM_BW20, param->csi_para); + + mu_bf_ctl = rtw_read16(rtwdev, REG_WMAC_MU_BF_CTL) & 0xC000; + mu_bf_ctl |= param->my_aid | (param->csi_length_sel << 12); + rtw_write16(rtwdev, REG_WMAC_MU_BF_CTL, mu_bf_ctl); +} + +void rtw_bf_cfg_sounding(struct rtw_dev *rtwdev, struct rtw_vif *vif, + enum rtw_trx_desc_rate rate) +{ + u32 psf_ctl = 0; + u8 csi_rsc = 0x1; + + psf_ctl = rtw_read32(rtwdev, REG_BBPSF_CTRL) | + BIT_WMAC_USE_NDPARATE | + (csi_rsc << 13); + + rtw_write8(rtwdev, REG_SND_PTCL_CTRL, RTW_SND_CTRL_SOUNDING); + rtw_write8(rtwdev, REG_SND_PTCL_CTRL + 3, 0x26); + rtw_write8_clr(rtwdev, REG_RXFLTMAP1, BIT_RXFLTMAP1_BF_REPORT_POLL); + rtw_write8_clr(rtwdev, REG_RXFLTMAP4, BIT_RXFLTMAP4_BF_REPORT_POLL); + + if (vif->net_type == RTW_NET_AP_MODE) + rtw_write32(rtwdev, REG_BBPSF_CTRL, psf_ctl | BIT(12)); + else + rtw_write32(rtwdev, REG_BBPSF_CTRL, psf_ctl & ~BIT(12)); +} + +void rtw_bf_cfg_mu_bfee(struct rtw_dev *rtwdev, struct cfg_mumimo_para *param) +{ + u8 mu_tbl_sel; + u8 mu_valid; + + mu_valid = rtw_read8(rtwdev, REG_MU_TX_CTL) & + ~BIT_MASK_R_MU_TABLE_VALID; + + rtw_write8(rtwdev, REG_MU_TX_CTL, + (mu_valid | BIT(0) | BIT(1)) & ~(BIT(7))); + + mu_tbl_sel = rtw_read8(rtwdev, REG_MU_TX_CTL + 1) & 0xF8; + + rtw_write8(rtwdev, REG_MU_TX_CTL + 1, mu_tbl_sel); + rtw_write32(rtwdev, REG_MU_STA_GID_VLD, param->given_gid_tab[0]); + rtw_write32(rtwdev, REG_MU_STA_USER_POS_INFO, param->given_user_pos[0]); + rtw_write32(rtwdev, REG_MU_STA_USER_POS_INFO + 4, + param->given_user_pos[1]); + + rtw_write8(rtwdev, REG_MU_TX_CTL + 1, mu_tbl_sel | 1); + rtw_write32(rtwdev, REG_MU_STA_GID_VLD, param->given_gid_tab[1]); + rtw_write32(rtwdev, REG_MU_STA_USER_POS_INFO, param->given_user_pos[2]); + rtw_write32(rtwdev, REG_MU_STA_USER_POS_INFO + 4, + param->given_user_pos[3]); +} + +void rtw_bf_del_bfer_entry_mu(struct rtw_dev *rtwdev) +{ + rtw_write32(rtwdev, REG_ASSOCIATED_BFMER0_INFO, 0); + rtw_write32(rtwdev, REG_ASSOCIATED_BFMER0_INFO + 4, 0); + rtw_write16(rtwdev, REG_WMAC_MU_BF_CTL, 0); + rtw_write8(rtwdev, REG_MU_TX_CTL, 0); +} + +void rtw_bf_del_sounding(struct rtw_dev *rtwdev) +{ + rtw_write8(rtwdev, REG_SND_PTCL_CTRL, 0); +} + +void rtw_bf_enable_bfee_su(struct rtw_dev *rtwdev, struct rtw_vif *vif, + struct rtw_bfee *bfee) +{ + u8 nc_index = 1; + u8 nr_index = bfee->sound_dim; + u8 grouping = 0, codebookinfo = 1, coefficientsize = 3; + u32 addr_bfer_info, addr_csi_rpt, csi_param; + u8 i; + + rtw_dbg(rtwdev, RTW_DBG_BF, "config as an su bfee\n"); + + switch (bfee->su_reg_index) { + case 1: + addr_bfer_info = REG_ASSOCIATED_BFMER1_INFO; + addr_csi_rpt = REG_TX_CSI_RPT_PARAM_BW20 + 2; + break; + case 0: + default: + addr_bfer_info = REG_ASSOCIATED_BFMER0_INFO; + addr_csi_rpt = REG_TX_CSI_RPT_PARAM_BW20; + break; + } + + /* Sounding protocol control */ + rtw_write8(rtwdev, REG_SND_PTCL_CTRL, RTW_SND_CTRL_SOUNDING); + + /* MAC address/Partial AID of Beamformer */ + for (i = 0; i < ETH_ALEN; i++) + rtw_write8(rtwdev, addr_bfer_info + i, bfee->mac_addr[i]); + + csi_param = (u16)((coefficientsize << 10) | + (codebookinfo << 8) | + (grouping << 6) | + (nr_index << 3) | + nc_index); + rtw_write16(rtwdev, addr_csi_rpt, csi_param); + + /* ndp rx standby timer */ + rtw_write8(rtwdev, REG_SND_PTCL_CTRL + 3, RTW_NDP_RX_STANDBY_TIME); +} + +/* nc index: 1 2T2R 0 1T1R + * nr index: 1 use Nsts 0 use reg setting + * codebookinfo: 1 802.11ac 3 802.11n + */ +void rtw_bf_enable_bfee_mu(struct rtw_dev *rtwdev, struct rtw_vif *vif, + struct rtw_bfee *bfee) +{ + struct rtw_bf_info *bf_info = &rtwdev->bf_info; + struct mu_bfer_init_para param; + u8 nc_index = 1, nr_index = 1; + u8 grouping = 0, codebookinfo = 1, coefficientsize = 0; + u32 csi_param; + + rtw_dbg(rtwdev, RTW_DBG_BF, "config as an mu bfee\n"); + + csi_param = (u16)((coefficientsize << 10) | + (codebookinfo << 8) | + (grouping << 6) | + (nr_index << 3) | + nc_index); + + rtw_dbg(rtwdev, RTW_DBG_BF, "nc=%d nr=%d group=%d codebookinfo=%d coefficientsize=%d\n", + nc_index, nr_index, grouping, codebookinfo, + coefficientsize); + + param.paid = bfee->p_aid; + param.csi_para = csi_param; + param.my_aid = bfee->aid & 0xfff; + param.csi_length_sel = HAL_CSI_SEG_4K; + ether_addr_copy(param.bfer_address, bfee->mac_addr); + + rtw_bf_init_bfer_entry_mu(rtwdev, ¶m); + + bf_info->cur_csi_rpt_rate = DESC_RATE6M; + rtw_bf_cfg_sounding(rtwdev, vif, DESC_RATE6M); + + /* accept action_no_ack */ + rtw_write16_set(rtwdev, REG_RXFLTMAP0, BIT_RXFLTMAP0_ACTIONNOACK); + + /* accept NDPA and BF report poll */ + rtw_write16_set(rtwdev, REG_RXFLTMAP1, BIT_RXFLTMAP1_BF); +} + +void rtw_bf_remove_bfee_su(struct rtw_dev *rtwdev, + struct rtw_bfee *bfee) +{ + struct rtw_bf_info *bfinfo = &rtwdev->bf_info; + + rtw_dbg(rtwdev, RTW_DBG_BF, "remove as a su bfee\n"); + rtw_write8(rtwdev, REG_SND_PTCL_CTRL, RTW_SND_CTRL_REMOVE); + + switch (bfee->su_reg_index) { + case 0: + rtw_write32(rtwdev, REG_ASSOCIATED_BFMER0_INFO, 0); + rtw_write16(rtwdev, REG_ASSOCIATED_BFMER0_INFO + 4, 0); + rtw_write16(rtwdev, REG_TX_CSI_RPT_PARAM_BW20, 0); + break; + case 1: + rtw_write32(rtwdev, REG_ASSOCIATED_BFMER1_INFO, 0); + rtw_write16(rtwdev, REG_ASSOCIATED_BFMER1_INFO + 4, 0); + rtw_write16(rtwdev, REG_TX_CSI_RPT_PARAM_BW20 + 2, 0); + break; + } + + clear_bit(bfee->su_reg_index, bfinfo->bfer_su_reg_maping); + bfee->su_reg_index = 0xFF; +} + +void rtw_bf_remove_bfee_mu(struct rtw_dev *rtwdev, + struct rtw_bfee *bfee) +{ + struct rtw_bf_info *bfinfo = &rtwdev->bf_info; + + rtw_write8(rtwdev, REG_SND_PTCL_CTRL, RTW_SND_CTRL_REMOVE); + + rtw_bf_del_bfer_entry_mu(rtwdev); + + if (bfinfo->bfer_su_cnt == 0 && bfinfo->bfer_mu_cnt == 0) + rtw_bf_del_sounding(rtwdev); +} + +void rtw_bf_set_gid_table(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, + struct ieee80211_bss_conf *conf) +{ + struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; + struct rtw_bfee *bfee = &rtwvif->bfee; + struct cfg_mumimo_para param; + + if (bfee->role != RTW_BFEE_MU) { + rtw_dbg(rtwdev, RTW_DBG_BF, "this vif is not mu bfee\n"); + return; + } + + param.grouping_bitmap = 0; + param.mu_tx_en = 0; + memset(param.sounding_sts, 0, 6); + memcpy(param.given_gid_tab, conf->mu_group.membership, 8); + memcpy(param.given_user_pos, conf->mu_group.position, 16); + rtw_dbg(rtwdev, RTW_DBG_BF, "STA0: gid_valid=0x%x, user_position_l=0x%x, user_position_h=0x%x\n", + param.given_gid_tab[0], param.given_user_pos[0], + param.given_user_pos[1]); + + rtw_dbg(rtwdev, RTW_DBG_BF, "STA1: gid_valid=0x%x, user_position_l=0x%x, user_position_h=0x%x\n", + param.given_gid_tab[1], param.given_user_pos[2], + param.given_user_pos[3]); + + rtw_bf_cfg_mu_bfee(rtwdev, ¶m); +} + +void rtw_bf_phy_init(struct rtw_dev *rtwdev) +{ + u8 tmp8; + u32 tmp32; + u8 retry_limit = 0xA; + u8 ndpa_rate = 0x10; + u8 ack_policy = 3; + + tmp32 = rtw_read32(rtwdev, REG_MU_TX_CTL); + /* Enable P1 aggr new packet according to P0 transfer time */ + tmp32 |= BIT_MU_P1_WAIT_STATE_EN; + /* MU Retry Limit */ + tmp32 &= ~BIT_MASK_R_MU_RL; + tmp32 |= (retry_limit << BIT_SHIFT_R_MU_RL) & BIT_MASK_R_MU_RL; + /* Disable Tx MU-MIMO until sounding done */ + tmp32 &= ~BIT_EN_MU_MIMO; + /* Clear validity of MU STAs */ + tmp32 &= ~BIT_MASK_R_MU_TABLE_VALID; + rtw_write32(rtwdev, REG_MU_TX_CTL, tmp32); + + /* MU-MIMO Option as default value */ + tmp8 = ack_policy << BIT_SHIFT_WMAC_TXMU_ACKPOLICY; + tmp8 |= BIT_WMAC_TXMU_ACKPOLICY_EN; + rtw_write8(rtwdev, REG_WMAC_MU_BF_OPTION, tmp8); + + /* MU-MIMO Control as default value */ + rtw_write16(rtwdev, REG_WMAC_MU_BF_CTL, 0); + /* Set MU NDPA rate & BW source */ + rtw_write32_set(rtwdev, REG_TXBF_CTRL, BIT_USE_NDPA_PARAMETER); + /* Set NDPA Rate */ + rtw_write8(rtwdev, REG_NDPA_OPT_CTRL, ndpa_rate); + + rtw_write32_mask(rtwdev, REG_BBPSF_CTRL, BIT_MASK_CSI_RATE, + DESC_RATE6M); +} + +void rtw_bf_cfg_csi_rate(struct rtw_dev *rtwdev, u8 rssi, u8 cur_rate, + u8 fixrate_en, u8 *new_rate) +{ + u32 csi_cfg; + u16 cur_rrsr; + + csi_cfg = rtw_read32(rtwdev, REG_BBPSF_CTRL) & ~BIT_MASK_CSI_RATE; + cur_rrsr = rtw_read16(rtwdev, REG_RRSR); + + if (rssi >= 40) { + if (cur_rate != DESC_RATE54M) { + cur_rrsr |= BIT(DESC_RATE54M); + csi_cfg |= (DESC_RATE54M & BIT_MASK_CSI_RATE_VAL) << + BIT_SHIFT_CSI_RATE; + rtw_write16(rtwdev, REG_RRSR, cur_rrsr); + rtw_write32(rtwdev, REG_BBPSF_CTRL, csi_cfg); + } + *new_rate = DESC_RATE54M; + } else { + if (cur_rate != DESC_RATE24M) { + cur_rrsr &= ~BIT(DESC_RATE54M); + csi_cfg |= (DESC_RATE54M & BIT_MASK_CSI_RATE_VAL) << + BIT_SHIFT_CSI_RATE; + rtw_write16(rtwdev, REG_RRSR, cur_rrsr); + rtw_write32(rtwdev, REG_BBPSF_CTRL, csi_cfg); + } + *new_rate = DESC_RATE24M; + } +} diff --git a/drivers/net/wireless/realtek/rtw88/bf.h b/drivers/net/wireless/realtek/rtw88/bf.h new file mode 100644 index 000000000000..96a8216dd11f --- /dev/null +++ b/drivers/net/wireless/realtek/rtw88/bf.h @@ -0,0 +1,92 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ +/* Copyright(c) 2018-2019 Realtek Corporation. + */ + +#ifndef __RTW_BF_H_ +#define __RTW_BF_H_ + +#define REG_TXBF_CTRL 0x042C +#define REG_RRSR 0x0440 +#define REG_NDPA_OPT_CTRL 0x045F + +#define REG_ASSOCIATED_BFMER0_INFO 0x06E4 +#define REG_ASSOCIATED_BFMER1_INFO 0x06EC +#define REG_TX_CSI_RPT_PARAM_BW20 0x06F4 +#define REG_SND_PTCL_CTRL 0x0718 +#define REG_MU_TX_CTL 0x14C0 +#define REG_MU_STA_GID_VLD 0x14C4 +#define REG_MU_STA_USER_POS_INFO 0x14C8 +#define REG_CSI_RRSR 0x1678 +#define REG_WMAC_MU_BF_OPTION 0x167C +#define REG_WMAC_MU_BF_CTL 0x1680 + +#define BIT_WMAC_USE_NDPARATE BIT(30) +#define BIT_WMAC_TXMU_ACKPOLICY_EN BIT(6) +#define BIT_USE_NDPA_PARAMETER BIT(30) +#define BIT_MU_P1_WAIT_STATE_EN BIT(16) +#define BIT_EN_MU_MIMO BIT(7) + +#define R_MU_RL 0xf +#define BIT_SHIFT_R_MU_RL 12 +#define BIT_SHIFT_WMAC_TXMU_ACKPOLICY 4 +#define BIT_SHIFT_CSI_RATE 24 + +#define BIT_MASK_R_MU_RL (R_MU_RL << BIT_SHIFT_R_MU_RL) +#define BIT_MASK_R_MU_TABLE_VALID 0x3f +#define BIT_MASK_CSI_RATE_VAL 0x3F +#define BIT_MASK_CSI_RATE (BIT_MASK_CSI_RATE_VAL << BIT_SHIFT_CSI_RATE) + +#define BIT_RXFLTMAP0_ACTIONNOACK BIT(14) +#define BIT_RXFLTMAP1_BF (BIT(4) | BIT(5)) +#define BIT_RXFLTMAP1_BF_REPORT_POLL BIT(4) +#define BIT_RXFLTMAP4_BF_REPORT_POLL BIT(4) + +#define RTW_NDP_RX_STANDBY_TIME 0x70 +#define RTW_SND_CTRL_REMOVE 0xD8 +#define RTW_SND_CTRL_SOUNDING 0xDB + +enum csi_seg_len { + HAL_CSI_SEG_4K = 0, + HAL_CSI_SEG_8K = 1, + HAL_CSI_SEG_11K = 2, +}; + +struct cfg_mumimo_para { + u8 sounding_sts[6]; + u16 grouping_bitmap; + u8 mu_tx_en; + u32 given_gid_tab[2]; + u32 given_user_pos[4]; +}; + +struct mu_bfer_init_para { + u16 paid; + u16 csi_para; + u16 my_aid; + enum csi_seg_len csi_length_sel; + u8 bfer_address[ETH_ALEN]; +}; + +void rtw_bf_disassoc(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, + struct ieee80211_bss_conf *bss_conf); +void rtw_bf_assoc(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, + struct ieee80211_bss_conf *bss_conf); +void rtw_bf_init_bfer_entry_mu(struct rtw_dev *rtwdev, + struct mu_bfer_init_para *param); +void rtw_bf_cfg_sounding(struct rtw_dev *rtwdev, struct rtw_vif *vif, + enum rtw_trx_desc_rate rate); +void rtw_bf_cfg_mu_bfee(struct rtw_dev *rtwdev, struct cfg_mumimo_para *param); +void rtw_bf_del_bfer_entry_mu(struct rtw_dev *rtwdev); +void rtw_bf_del_sounding(struct rtw_dev *rtwdev); +void rtw_bf_enable_bfee_su(struct rtw_dev *rtwdev, struct rtw_vif *vif, + struct rtw_bfee *bfee); +void rtw_bf_enable_bfee_mu(struct rtw_dev *rtwdev, struct rtw_vif *vif, + struct rtw_bfee *bfee); +void rtw_bf_remove_bfee_su(struct rtw_dev *rtwdev, struct rtw_bfee *bfee); +void rtw_bf_remove_bfee_mu(struct rtw_dev *rtwdev, struct rtw_bfee *bfee); +void rtw_bf_set_gid_table(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, + struct ieee80211_bss_conf *conf); +void rtw_bf_phy_init(struct rtw_dev *rtwdev); +void rtw_bf_cfg_csi_rate(struct rtw_dev *rtwdev, u8 rssi, u8 cur_rate, + u8 fixrate_en, u8 *new_rate); +#endif diff --git a/drivers/net/wireless/realtek/rtw88/debug.h b/drivers/net/wireless/realtek/rtw88/debug.h index 9449105f4259..cd28f675e9cb 100644 --- a/drivers/net/wireless/realtek/rtw88/debug.h +++ b/drivers/net/wireless/realtek/rtw88/debug.h @@ -17,6 +17,7 @@ enum rtw_debug_mask { RTW_DBG_REGD = 0x00000100, RTW_DBG_DEBUGFS = 0x00000200, RTW_DBG_PS = 0x00000400, + RTW_DBG_BF = 0x00000800, RTW_DBG_ALL = 0xffffffff }; diff --git a/drivers/net/wireless/realtek/rtw88/mac80211.c b/drivers/net/wireless/realtek/rtw88/mac80211.c index 8d7a3429ea06..bc04cc280a96 100644 --- a/drivers/net/wireless/realtek/rtw88/mac80211.c +++ b/drivers/net/wireless/realtek/rtw88/mac80211.c @@ -10,6 +10,7 @@ #include "coex.h" #include "ps.h" #include "reg.h" +#include "bf.h" #include "debug.h" static void rtw_ops_tx(struct ieee80211_hw *hw, @@ -157,6 +158,7 @@ static int rtw_ops_add_interface(struct ieee80211_hw *hw, rtwvif->stats.tx_cnt = 0; rtwvif->stats.rx_cnt = 0; rtwvif->in_lps = false; + memset(&rtwvif->bfee, 0, sizeof(struct rtw_bfee)); rtwvif->conf = &rtw_vif_port[port]; rtw_txq_init(rtwdev, vif->txq); @@ -348,11 +350,14 @@ static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw, rtw_fw_download_rsvd_page(rtwdev, vif); rtw_send_rsvd_page_h2c(rtwdev); rtw_coex_media_status_notify(rtwdev, conf->assoc); + if (rtw_bf_support) + rtw_bf_assoc(rtwdev, vif, conf); } else { rtw_leave_lps(rtwdev); net_type = RTW_NET_NO_LINK; rtwvif->aid = 0; rtw_reset_rsvd_page(rtwdev); + rtw_bf_disassoc(rtwdev, vif, conf); } rtwvif->net_type = net_type; @@ -368,6 +373,12 @@ static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw, if (changed & BSS_CHANGED_BEACON) rtw_fw_download_rsvd_page(rtwdev, vif); + if (changed & BSS_CHANGED_MU_GROUPS) { + struct rtw_chip_info *chip = rtwdev->chip; + + chip->ops->set_gid_table(rtwdev, vif, conf); + } + if (changed & BSS_CHANGED_ERP_SLOT) rtw_conf_tx(rtwdev, rtwvif); diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c index 5343d860189b..47e74f0aec06 100644 --- a/drivers/net/wireless/realtek/rtw88/main.c +++ b/drivers/net/wireless/realtek/rtw88/main.c @@ -14,16 +14,20 @@ #include "efuse.h" #include "tx.h" #include "debug.h" +#include "bf.h" unsigned int rtw_fw_lps_deep_mode; EXPORT_SYMBOL(rtw_fw_lps_deep_mode); +bool rtw_bf_support = true; unsigned int rtw_debug_mask; EXPORT_SYMBOL(rtw_debug_mask); module_param_named(lps_deep_mode, rtw_fw_lps_deep_mode, uint, 0644); +module_param_named(support_bf, rtw_bf_support, bool, 0644); module_param_named(debug_mask, rtw_debug_mask, uint, 0644); MODULE_PARM_DESC(lps_deep_mode, "Deeper PS mode. If 0, deep PS is disabled"); +MODULE_PARM_DESC(support_bf, "Set Y to enable beamformee support"); MODULE_PARM_DESC(debug_mask, "Debugging mask"); static struct ieee80211_channel rtw_channeltable_2g[] = { @@ -126,9 +130,29 @@ static struct ieee80211_supported_band rtw_band_5ghz = { }; struct rtw_watch_dog_iter_data { + struct rtw_dev *rtwdev; struct rtw_vif *rtwvif; }; +static void rtw_dynamic_csi_rate(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif) +{ + struct rtw_bf_info *bf_info = &rtwdev->bf_info; + struct rtw_chip_info *chip = rtwdev->chip; + u8 fix_rate_enable = 0; + u8 new_csi_rate_idx; + + if (rtwvif->bfee.role != RTW_BFEE_SU && + rtwvif->bfee.role != RTW_BFEE_MU) + return; + + chip->ops->cfg_csi_rate(rtwdev, rtwdev->dm_info.min_rssi, + bf_info->cur_csi_rpt_rate, + fix_rate_enable, &new_csi_rate_idx); + + if (new_csi_rate_idx != bf_info->cur_csi_rpt_rate) + bf_info->cur_csi_rpt_rate = new_csi_rate_idx; +} + static void rtw_vif_watch_dog_iter(void *data, u8 *mac, struct ieee80211_vif *vif) { @@ -139,6 +163,8 @@ static void rtw_vif_watch_dog_iter(void *data, u8 *mac, if (vif->bss_conf.assoc) iter_data->rtwvif = rtwvif; + rtw_dynamic_csi_rate(iter_data->rtwdev, rtwvif); + rtwvif->stats.tx_unicast = 0; rtwvif->stats.rx_unicast = 0; rtwvif->stats.tx_cnt = 0; @@ -192,6 +218,7 @@ static void rtw_watch_dog_work(struct work_struct *work) rtw_phy_dynamic_mechanism(rtwdev); + data.rtwdev = rtwdev; /* use atomic version to avoid taking local->iflist_mtx mutex */ rtw_iterate_vifs_atomic(rtwdev, rtw_vif_watch_dog_iter, &data); @@ -870,6 +897,12 @@ static void rtw_init_vht_cap(struct rtw_dev *rtwdev, IEEE80211_VHT_CAP_HTC_VHT | IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK | 0; + + vht_cap->cap |= IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE | + IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE; + vht_cap->cap |= (rtwdev->hal.bfee_sts_cap << + IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT); + mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 | IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 | IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 | @@ -1005,6 +1038,8 @@ static int rtw_chip_parameter_setup(struct rtw_dev *rtwdev) /* default use ack */ rtwdev->hal.rcr |= BIT_VHT_DACK; + hal->bfee_sts_cap = 3; + return ret; } @@ -1342,6 +1377,9 @@ int rtw_register_hw(struct rtw_dev *rtwdev, struct ieee80211_hw *hw) rtw_debugfs_init(rtwdev); + rtwdev->bf_info.bfer_mu_cnt = 0; + rtwdev->bf_info.bfer_su_cnt = 0; + return 0; } EXPORT_SYMBOL(rtw_register_hw); diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h index 757b0ce2bbee..14b35152fe9f 100644 --- a/drivers/net/wireless/realtek/rtw88/main.h +++ b/drivers/net/wireless/realtek/rtw88/main.h @@ -29,6 +29,7 @@ #define RTW_RF_PATH_MAX 4 #define HW_FEATURE_LEN 13 +extern bool rtw_bf_support; extern unsigned int rtw_fw_lps_deep_mode; extern unsigned int rtw_debug_mask; extern const struct ieee80211_ops rtw_ops; @@ -647,6 +648,34 @@ struct rtw_sta_info { struct rtw_ra_report ra_report; }; +enum rtw_bfee_role { + RTW_BFEE_NONE, + RTW_BFEE_SU, + RTW_BFEE_MU +}; + +struct rtw_bfee { + enum rtw_bfee_role role; + + u16 p_aid; + u8 g_id; + u8 mac_addr[ETH_ALEN]; + u8 sound_dim; + + /* SU-MIMO */ + u8 su_reg_index; + + /* MU-MIMO */ + u16 aid; +}; + +struct rtw_bf_info { + u8 bfer_mu_cnt; + u8 bfer_su_cnt; + DECLARE_BITMAP(bfer_su_reg_maping, 2); + u8 cur_csi_rpt_rate; +}; + struct rtw_vif { struct ieee80211_vif *vif; enum rtw_net_type net_type; @@ -660,6 +689,8 @@ struct rtw_vif { struct rtw_traffic_stats stats; bool in_lps; + + struct rtw_bfee bfee; }; struct rtw_regulatory { @@ -692,6 +723,13 @@ struct rtw_chip_ops { void (*dpk_track)(struct rtw_dev *rtwdev); void (*cck_pd_set)(struct rtw_dev *rtwdev, u8 level); void (*pwr_track)(struct rtw_dev *rtwdev); + void (*config_bfee)(struct rtw_dev *rtwdev, struct rtw_vif *vif, + struct rtw_bfee *bfee, bool enable); + void (*set_gid_table)(struct rtw_dev *rtwdev, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *conf); + void (*cfg_csi_rate)(struct rtw_dev *rtwdev, u8 rssi, u8 cur_rate, + u8 fixrate_en, u8 *new_rate); /* for coex */ void (*coex_set_init)(struct rtw_dev *rtwdev); @@ -950,6 +988,9 @@ struct rtw_chip_info { u8 iqk_threshold; const struct rtw_pwr_track_tbl *pwr_track_tbl; + u8 bfer_su_max_num; + u8 bfer_mu_max_num; + /* coex paras */ u32 coex_para_ver; u8 bt_desired_ver; @@ -1386,6 +1427,7 @@ struct rtw_hal { u8 rf_path_num; u8 antenna_tx; u8 antenna_rx; + u8 bfee_sts_cap; /* protect tx power section */ struct mutex tx_power_mutex; @@ -1423,6 +1465,7 @@ struct rtw_dev { struct rtw_sec_desc sec; struct rtw_traffic_stats stats; struct rtw_regulatory regd; + struct rtw_bf_info bf_info; struct rtw_dm_info dm_info; struct rtw_coex coex; diff --git a/drivers/net/wireless/realtek/rtw88/reg.h b/drivers/net/wireless/realtek/rtw88/reg.h index 330574a9f55a..7e817bc997eb 100644 --- a/drivers/net/wireless/realtek/rtw88/reg.h +++ b/drivers/net/wireless/realtek/rtw88/reg.h @@ -326,6 +326,7 @@ #define REG_RXFLTMAP0 0x06A0 #define REG_RXFLTMAP1 0x06A2 #define REG_RXFLTMAP2 0x06A4 +#define REG_RXFLTMAP4 0x068A #define REG_BT_COEX_TABLE0 0x06C0 #define REG_BT_COEX_TABLE1 0x06C4 #define REG_BT_COEX_BRK_TABLE 0x06C8 diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822b.c b/drivers/net/wireless/realtek/rtw88/rtw8822b.c index 34fbfe6b4a11..87a9178ba022 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822b.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8822b.c @@ -13,6 +13,7 @@ #include "mac.h" #include "reg.h" #include "debug.h" +#include "bf.h" static void rtw8822b_config_trx_mode(struct rtw_dev *rtwdev, u8 tx_path, u8 rx_path, bool is_tx2_path); @@ -120,6 +121,13 @@ static void rtw8822b_pwrtrack_init(struct rtw_dev *rtwdev) dm_info->thermal_meter_k = rtwdev->efuse.thermal_meter_k; } +static void rtw8822b_phy_bf_init(struct rtw_dev *rtwdev) +{ + rtw_bf_phy_init(rtwdev); + /* Grouping bitmap parameters */ + rtw_write32(rtwdev, 0x1C94, 0xAFFFAFFF); +} + static void rtw8822b_phy_set_param(struct rtw_dev *rtwdev) { struct rtw_hal *hal = &rtwdev->hal; @@ -152,6 +160,8 @@ static void rtw8822b_phy_set_param(struct rtw_dev *rtwdev) rtw8822b_phy_rfe_init(rtwdev); rtw8822b_pwrtrack_init(rtwdev); + + rtw8822b_phy_bf_init(rtwdev); } #define WLAN_SLOT_TIME 0x09 @@ -1456,6 +1466,37 @@ void rtw8822b_pwr_track(struct rtw_dev *rtwdev) dm_info->pwr_trk_triggered = false; } +static void rtw8822b_bf_config_bfee_su(struct rtw_dev *rtwdev, + struct rtw_vif *vif, + struct rtw_bfee *bfee, bool enable) +{ + if (enable) + rtw_bf_enable_bfee_su(rtwdev, vif, bfee); + else + rtw_bf_remove_bfee_su(rtwdev, bfee); +} + +static void rtw8822b_bf_config_bfee_mu(struct rtw_dev *rtwdev, + struct rtw_vif *vif, + struct rtw_bfee *bfee, bool enable) +{ + if (enable) + rtw_bf_enable_bfee_mu(rtwdev, vif, bfee); + else + rtw_bf_remove_bfee_mu(rtwdev, bfee); +} + +static void rtw8822b_bf_config_bfee(struct rtw_dev *rtwdev, struct rtw_vif *vif, + struct rtw_bfee *bfee, bool enable) +{ + if (bfee->role == RTW_BFEE_SU) + rtw8822b_bf_config_bfee_su(rtwdev, vif, bfee, enable); + else if (bfee->role == RTW_BFEE_MU) + rtw8822b_bf_config_bfee_mu(rtwdev, vif, bfee, enable); + else + rtw_warn(rtwdev, "wrong bfee role\n"); +} + static struct rtw_pwr_seq_cmd trans_carddis_to_cardemu_8822b[] = { {0x0086, RTW_PWR_CUT_ALL_MSK, @@ -2003,6 +2044,9 @@ static struct rtw_chip_ops rtw8822b_ops = { .false_alarm_statistics = rtw8822b_false_alarm_statistics, .phy_calibration = rtw8822b_phy_calibration, .pwr_track = rtw8822b_pwr_track, + .config_bfee = rtw8822b_bf_config_bfee, + .set_gid_table = rtw_bf_set_gid_table, + .cfg_csi_rate = rtw_bf_cfg_csi_rate, .coex_set_init = rtw8822b_coex_cfg_init, .coex_set_ant_switch = rtw8822b_coex_cfg_ant_switch, @@ -2320,6 +2364,8 @@ struct rtw_chip_info rtw8822b_hw_spec = { .rfe_defs_size = ARRAY_SIZE(rtw8822b_rfe_defs), .pwr_track_tbl = &rtw8822b_rtw_pwr_track_tbl, .iqk_threshold = 8, + .bfer_su_max_num = 2, + .bfer_mu_max_num = 1, .coex_para_ver = 0x19062706, .bt_desired_ver = 0x6, diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.c b/drivers/net/wireless/realtek/rtw88/rtw8822c.c index 21c2d9e651fe..ae4417d6c272 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c @@ -14,6 +14,7 @@ #include "reg.h" #include "debug.h" #include "util.h" +#include "bf.h" static void rtw8822c_config_trx_mode(struct rtw_dev *rtwdev, u8 tx_path, u8 rx_path, bool is_tx2_path); @@ -1068,6 +1069,8 @@ static void rtw8822c_phy_set_param(struct rtw_dev *rtwdev) rtw8822c_rf_init(rtwdev); rtw8822c_pwrtrack_init(rtwdev); + + rtw_bf_phy_init(rtwdev); } #define WLAN_TXQ_RPT_EN 0x1F @@ -2078,6 +2081,57 @@ static void rtw8822c_coex_cfg_wl_rx_gain(struct rtw_dev *rtwdev, bool low_gain) } } +static void rtw8822c_bf_enable_bfee_su(struct rtw_dev *rtwdev, + struct rtw_vif *vif, + struct rtw_bfee *bfee) +{ + u8 csi_rsc = 0; + u32 tmp6dc; + + rtw_bf_enable_bfee_su(rtwdev, vif, bfee); + + tmp6dc = rtw_read32(rtwdev, REG_BBPSF_CTRL) | + BIT_WMAC_USE_NDPARATE | + (csi_rsc << 13); + if (vif->net_type == RTW_NET_AP_MODE) + rtw_write32(rtwdev, REG_BBPSF_CTRL, tmp6dc | BIT(12)); + else + rtw_write32(rtwdev, REG_BBPSF_CTRL, tmp6dc & ~BIT(12)); + + rtw_write32(rtwdev, REG_CSI_RRSR, 0x550); +} + +static void rtw8822c_bf_config_bfee_su(struct rtw_dev *rtwdev, + struct rtw_vif *vif, + struct rtw_bfee *bfee, bool enable) +{ + if (enable) + rtw8822c_bf_enable_bfee_su(rtwdev, vif, bfee); + else + rtw_bf_remove_bfee_su(rtwdev, bfee); +} + +static void rtw8822c_bf_config_bfee_mu(struct rtw_dev *rtwdev, + struct rtw_vif *vif, + struct rtw_bfee *bfee, bool enable) +{ + if (enable) + rtw_bf_enable_bfee_mu(rtwdev, vif, bfee); + else + rtw_bf_remove_bfee_mu(rtwdev, bfee); +} + +static void rtw8822c_bf_config_bfee(struct rtw_dev *rtwdev, struct rtw_vif *vif, + struct rtw_bfee *bfee, bool enable) +{ + if (bfee->role == RTW_BFEE_SU) + rtw8822c_bf_config_bfee_su(rtwdev, vif, bfee, enable); + else if (bfee->role == RTW_BFEE_MU) + rtw8822c_bf_config_bfee_mu(rtwdev, vif, bfee, enable); + else + rtw_warn(rtwdev, "wrong bfee role\n"); +} + struct dpk_cfg_pair { u32 addr; u32 bitmask; @@ -3678,6 +3732,9 @@ static struct rtw_chip_ops rtw8822c_ops = { .phy_calibration = rtw8822c_phy_calibration, .cck_pd_set = rtw8822c_phy_cck_pd_set, .pwr_track = rtw8822c_pwr_track, + .config_bfee = rtw8822c_bf_config_bfee, + .set_gid_table = rtw_bf_set_gid_table, + .cfg_csi_rate = rtw_bf_cfg_csi_rate, .coex_set_init = rtw8822c_coex_cfg_init, .coex_set_ant_switch = NULL, @@ -3998,6 +4055,8 @@ struct rtw_chip_info rtw8822c_hw_spec = { .dpd_ratemask = DIS_DPD_RATEALL, .pwr_track_tbl = &rtw8822c_rtw_pwr_track_tbl, .iqk_threshold = 8, + .bfer_su_max_num = 2, + .bfer_mu_max_num = 1, .coex_para_ver = 0x19062706, .bt_desired_ver = 0x6,