Add EHT rate handling to the existing rate functions that validate, prepare and set rates. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1 Co-developed-by: Aloka Dixit Signed-off-by: Aloka Dixit Signed-off-by: Muna Sinada --- drivers/net/wireless/ath/ath12k/mac.c | 215 +++++++++++++++++++++----- 1 file changed, 173 insertions(+), 42 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index fd49a0953470..397fe320e558 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -533,6 +533,18 @@ ath12k_mac_max_he_nss(const u16 he_mcs_mask[NL80211_HE_NSS_MAX]) return 1; } +static u32 +ath12k_mac_max_eht_nss(const u16 eht_mcs_mask[NL80211_EHT_NSS_MAX]) +{ + int nss; + + for (nss = NL80211_EHT_NSS_MAX - 1; nss >= 0; nss--) + if (eht_mcs_mask[nss]) + return nss + 1; + + return 1; +} + static u8 ath12k_parse_mpdudensity(u8 mpdudensity) { /* From IEEE Std 802.11-2020 defined values for "Minimum MPDU Start Spacing": @@ -3102,37 +3114,50 @@ static void ath12k_peer_assoc_h_phymode(struct ath12k *ar, WARN_ON(phymode == MODE_UNKNOWN); } +#define ATH12K_EHT_MCS_7_ENABLED 0x00FF +#define ATH12K_EHT_MCS_9_ENABLED 0x0300 +#define ATH12K_EHT_MCS_11_ENABLED 0x0C00 +#define ATH12K_EHT_MCS_13_ENABLED 0x3000 + static void ath12k_mac_set_eht_mcs(u8 rx_tx_mcs7, u8 rx_tx_mcs9, u8 rx_tx_mcs11, u8 rx_tx_mcs13, - u32 *rx_mcs, u32 *tx_mcs) -{ - *rx_mcs = 0; - u32p_replace_bits(rx_mcs, - u8_get_bits(rx_tx_mcs7, IEEE80211_EHT_MCS_NSS_RX), - WMI_EHT_MCS_NSS_0_7); - u32p_replace_bits(rx_mcs, - u8_get_bits(rx_tx_mcs9, IEEE80211_EHT_MCS_NSS_RX), - WMI_EHT_MCS_NSS_8_9); - u32p_replace_bits(rx_mcs, - u8_get_bits(rx_tx_mcs11, IEEE80211_EHT_MCS_NSS_RX), - WMI_EHT_MCS_NSS_10_11); - u32p_replace_bits(rx_mcs, - u8_get_bits(rx_tx_mcs13, IEEE80211_EHT_MCS_NSS_RX), - WMI_EHT_MCS_NSS_12_13); - - *tx_mcs = 0; - u32p_replace_bits(tx_mcs, - u8_get_bits(rx_tx_mcs7, IEEE80211_EHT_MCS_NSS_TX), - WMI_EHT_MCS_NSS_0_7); - u32p_replace_bits(tx_mcs, - u8_get_bits(rx_tx_mcs9, IEEE80211_EHT_MCS_NSS_TX), - WMI_EHT_MCS_NSS_8_9); - u32p_replace_bits(tx_mcs, - u8_get_bits(rx_tx_mcs11, IEEE80211_EHT_MCS_NSS_TX), - WMI_EHT_MCS_NSS_10_11); - u32p_replace_bits(tx_mcs, - u8_get_bits(rx_tx_mcs13, IEEE80211_EHT_MCS_NSS_TX), - WMI_EHT_MCS_NSS_12_13); + u32 *rx_mcs, u32 *tx_mcs, + const u16 eht_mcs_limit[NL80211_EHT_NSS_MAX]) +{ + int nss; + u8 mcs_7 = 0, mcs_9 = 0, mcs_11 = 0, mcs_13 = 0; + u8 peer_mcs_7, peer_mcs_9, peer_mcs_11, peer_mcs_13; + + for (nss = 0; nss < NL80211_EHT_NSS_MAX; nss++) { + if (eht_mcs_limit[nss] & ATH12K_EHT_MCS_7_ENABLED) + mcs_7++; + if (eht_mcs_limit[nss] & ATH12K_EHT_MCS_9_ENABLED) + mcs_9++; + if (eht_mcs_limit[nss] & ATH12K_EHT_MCS_11_ENABLED) + mcs_11++; + if (eht_mcs_limit[nss] & ATH12K_EHT_MCS_13_ENABLED) + mcs_13++; + } + + peer_mcs_7 = u8_get_bits(rx_tx_mcs7, IEEE80211_EHT_MCS_NSS_RX); + peer_mcs_9 = u8_get_bits(rx_tx_mcs9, IEEE80211_EHT_MCS_NSS_RX); + peer_mcs_11 = u8_get_bits(rx_tx_mcs11, IEEE80211_EHT_MCS_NSS_RX); + peer_mcs_13 = u8_get_bits(rx_tx_mcs13, IEEE80211_EHT_MCS_NSS_RX); + + *rx_mcs = u32_encode_bits(min(peer_mcs_7, mcs_7), WMI_EHT_MCS_NSS_0_7) | + u32_encode_bits(min(peer_mcs_9, mcs_9), WMI_EHT_MCS_NSS_8_9) | + u32_encode_bits(min(peer_mcs_11, mcs_11), WMI_EHT_MCS_NSS_10_11) | + u32_encode_bits(min(peer_mcs_13, mcs_13), WMI_EHT_MCS_NSS_12_13); + + peer_mcs_7 = u8_get_bits(rx_tx_mcs7, IEEE80211_EHT_MCS_NSS_TX); + peer_mcs_9 = u8_get_bits(rx_tx_mcs9, IEEE80211_EHT_MCS_NSS_TX); + peer_mcs_11 = u8_get_bits(rx_tx_mcs11, IEEE80211_EHT_MCS_NSS_TX); + peer_mcs_13 = u8_get_bits(rx_tx_mcs13, IEEE80211_EHT_MCS_NSS_TX); + + *tx_mcs = u32_encode_bits(min(peer_mcs_7, mcs_7), WMI_EHT_MCS_NSS_0_7) | + u32_encode_bits(min(peer_mcs_9, mcs_9), WMI_EHT_MCS_NSS_8_9) | + u32_encode_bits(min(peer_mcs_11, mcs_11), WMI_EHT_MCS_NSS_10_11) | + u32_encode_bits(min(peer_mcs_13, mcs_13), WMI_EHT_MCS_NSS_12_13); } static void ath12k_mac_set_eht_ppe_threshold(const u8 *ppe_thres, @@ -3171,13 +3196,17 @@ static void ath12k_peer_assoc_h_eht(struct ath12k *ar, struct ath12k_wmi_peer_assoc_arg *arg) { struct ieee80211_sta *sta = ath12k_ahsta_to_sta(arsta->ahsta); + struct ieee80211_vif *vif = ath12k_ahvif_to_vif(arvif->ahvif); const struct ieee80211_eht_mcs_nss_supp_20mhz_only *bw_20; const struct ieee80211_eht_mcs_nss_supp_bw *bw; const struct ieee80211_sta_eht_cap *eht_cap; const struct ieee80211_sta_he_cap *he_cap; struct ieee80211_link_sta *link_sta; struct ieee80211_bss_conf *link_conf; + struct cfg80211_chan_def def; + enum nl80211_band band; u32 *rx_mcs, *tx_mcs; + u16 *eht_mcs_mask; lockdep_assert_wiphy(ath12k_ar_to_hw(ar)->wiphy); @@ -3199,6 +3228,12 @@ static void ath12k_peer_assoc_h_eht(struct ath12k *ar, if (!he_cap->has_he || !eht_cap->has_eht) return; + if (WARN_ON(ath12k_mac_vif_link_chan(vif, arvif->link_id, &def))) + return; + + band = def.chan->band; + eht_mcs_mask = arvif->bitrate_mask.control[band].eht_mcs; + arg->eht_flag = true; if ((eht_cap->eht_cap_elem.phy_cap_info[5] & @@ -3223,7 +3258,8 @@ static void ath12k_peer_assoc_h_eht(struct ath12k *ar, bw->rx_tx_mcs11_max_nss, bw->rx_tx_mcs13_max_nss, &rx_mcs[WMI_EHTCAP_TXRX_MCS_NSS_IDX_320], - &tx_mcs[WMI_EHTCAP_TXRX_MCS_NSS_IDX_320]); + &tx_mcs[WMI_EHTCAP_TXRX_MCS_NSS_IDX_320], + eht_mcs_mask); arg->peer_eht_mcs_count++; fallthrough; case IEEE80211_STA_RX_BW_160: @@ -3233,7 +3269,8 @@ static void ath12k_peer_assoc_h_eht(struct ath12k *ar, bw->rx_tx_mcs11_max_nss, bw->rx_tx_mcs13_max_nss, &rx_mcs[WMI_EHTCAP_TXRX_MCS_NSS_IDX_160], - &tx_mcs[WMI_EHTCAP_TXRX_MCS_NSS_IDX_160]); + &tx_mcs[WMI_EHTCAP_TXRX_MCS_NSS_IDX_160], + eht_mcs_mask); arg->peer_eht_mcs_count++; fallthrough; default: @@ -3249,7 +3286,8 @@ static void ath12k_peer_assoc_h_eht(struct ath12k *ar, bw_20->rx_tx_mcs11_max_nss, bw_20->rx_tx_mcs13_max_nss, &rx_mcs[WMI_EHTCAP_TXRX_MCS_NSS_IDX_80], - &tx_mcs[WMI_EHTCAP_TXRX_MCS_NSS_IDX_80]); + &tx_mcs[WMI_EHTCAP_TXRX_MCS_NSS_IDX_80], + eht_mcs_mask); } else { bw = &eht_cap->eht_mcs_nss_supp.bw._80; ath12k_mac_set_eht_mcs(bw->rx_tx_mcs9_max_nss, @@ -3257,7 +3295,8 @@ static void ath12k_peer_assoc_h_eht(struct ath12k *ar, bw->rx_tx_mcs11_max_nss, bw->rx_tx_mcs13_max_nss, &rx_mcs[WMI_EHTCAP_TXRX_MCS_NSS_IDX_80], - &tx_mcs[WMI_EHTCAP_TXRX_MCS_NSS_IDX_80]); + &tx_mcs[WMI_EHTCAP_TXRX_MCS_NSS_IDX_80], + eht_mcs_mask); } arg->peer_eht_mcs_count++; @@ -3875,6 +3914,8 @@ static void ath12k_mac_init_arvif(struct ath12k_vif *ahvif, sizeof(arvif->bitrate_mask.control[i].vht_mcs)); memset(arvif->bitrate_mask.control[i].he_mcs, 0xff, sizeof(arvif->bitrate_mask.control[i].he_mcs)); + memset(arvif->bitrate_mask.control[i].eht_mcs, 0xff, + sizeof(arvif->bitrate_mask.control[i].eht_mcs)); } /* Handle MLO related assignments */ @@ -5784,6 +5825,20 @@ ath12k_mac_bitrate_mask_num_he_rates(struct ath12k *ar, return num_rates; } +static int +ath12k_mac_bitrate_mask_num_eht_rates(struct ath12k *ar, + enum nl80211_band band, + const struct cfg80211_bitrate_mask *mask) +{ + int num_rates = 0; + int i; + + for (i = 0; i < ARRAY_SIZE(mask->control[band].eht_mcs); i++) + num_rates += hweight16(mask->control[band].eht_mcs[i]); + + return num_rates; +} + static int ath12k_mac_set_peer_vht_fixed_rate(struct ath12k_link_vif *arvif, struct ath12k_link_sta *arsta, @@ -11925,6 +11980,9 @@ ath12k_mac_has_single_legacy_rate(struct ath12k *ar, if (ath12k_mac_bitrate_mask_num_he_rates(ar, band, mask)) return false; + if (ath12k_mac_bitrate_mask_num_eht_rates(ar, band, mask)) + return false; + return num_rates == 1; } @@ -11947,11 +12005,15 @@ ath12k_mac_bitrate_mask_get_single_nss(struct ath12k *ar, { struct ieee80211_supported_band *sband = &ar->mac.sbands[band]; u16 vht_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); + const struct ieee80211_sband_iftype_data *data; const struct ieee80211_sta_he_cap *he_cap; u16 he_mcs_map = 0; + u16 eht_mcs_map = 0; u8 ht_nss_mask = 0; u8 vht_nss_mask = 0; u8 he_nss_mask = 0; + u8 eht_nss_mask = 0; + u8 mcs_nss_len; int i; /* No need to consider legacy here. Basic rates are always present @@ -11995,7 +12057,60 @@ ath12k_mac_bitrate_mask_get_single_nss(struct ath12k *ar, return false; } - if (ht_nss_mask != vht_nss_mask || ht_nss_mask != he_nss_mask) + data = ieee80211_get_sband_iftype_data(sband, vif->type); + + mcs_nss_len = ieee80211_eht_mcs_nss_size(&data->he_cap.he_cap_elem, + &data->eht_cap.eht_cap_elem, + false); + if (mcs_nss_len == 4) { + /* 20 MHz only STA case */ + const struct ieee80211_eht_mcs_nss_supp_20mhz_only *eht_mcs_nss = + &data->eht_cap.eht_mcs_nss_supp.only_20mhz; + if (eht_mcs_nss->rx_tx_mcs13_max_nss) + eht_mcs_map = 0x1fff; + else if (eht_mcs_nss->rx_tx_mcs11_max_nss) + eht_mcs_map = 0x07ff; + else if (eht_mcs_nss->rx_tx_mcs9_max_nss) + eht_mcs_map = 0x01ff; + else + eht_mcs_map = 0x007f; + } else { + const struct ieee80211_eht_mcs_nss_supp_bw *eht_mcs_nss; + + switch (mcs_nss_len) { + case 9: + eht_mcs_nss = &data->eht_cap.eht_mcs_nss_supp.bw._320; + break; + case 6: + eht_mcs_nss = &data->eht_cap.eht_mcs_nss_supp.bw._160; + break; + case 3: + eht_mcs_nss = &data->eht_cap.eht_mcs_nss_supp.bw._80; + break; + default: + return false; + } + + if (eht_mcs_nss->rx_tx_mcs13_max_nss) + eht_mcs_map = 0x1fff; + else if (eht_mcs_nss->rx_tx_mcs11_max_nss) + eht_mcs_map = 0x7ff; + else + eht_mcs_map = 0x1ff; + } + + for (i = 0; i < ARRAY_SIZE(mask->control[band].eht_mcs); i++) { + if (mask->control[band].eht_mcs[i] == 0) + continue; + + if (mask->control[band].eht_mcs[i] < eht_mcs_map) + eht_nss_mask |= BIT(i); + else + return false; + } + + if (ht_nss_mask != vht_nss_mask || ht_nss_mask != he_nss_mask || + ht_nss_mask != eht_nss_mask) return false; if (ht_nss_mask == 0) @@ -12147,11 +12262,12 @@ static u32 ath12k_mac_nlgi_to_wmigi(enum nl80211_txrate_gi gi) static int ath12k_mac_set_rate_params(struct ath12k_link_vif *arvif, u32 rate, u8 nss, u8 sgi, u8 ldpc, - u8 he_gi, u8 he_ltf, bool he_fixed_rate) + u8 he_gi, u8 he_ltf, bool he_fixed_rate, + bool eht_fixed_rate) { struct ieee80211_bss_conf *link_conf; struct ath12k *ar = arvif->ar; - bool he_support, gi_ltf_set = false; + bool he_support, eht_support, gi_ltf_set = false; u32 vdev_param; u32 param_value; int ret; @@ -12163,6 +12279,7 @@ static int ath12k_mac_set_rate_params(struct ath12k_link_vif *arvif, return -EINVAL; he_support = link_conf->he_support; + eht_support = link_conf->eht_support; ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac set rate params vdev %i rate 0x%02x nss 0x%02x sgi 0x%02x ldpc 0x%02x\n", @@ -12172,7 +12289,10 @@ static int ath12k_mac_set_rate_params(struct ath12k_link_vif *arvif, "he_gi 0x%02x he_ltf 0x%02x he_fixed_rate %d\n", he_gi, he_ltf, he_fixed_rate); - if (!he_support) { + ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "eht_fixed_rate %d\n", + eht_fixed_rate); + + if (!he_support && !eht_support) { vdev_param = WMI_VDEV_PARAM_FIXED_RATE; ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param, rate); @@ -12330,15 +12450,16 @@ ath12k_mac_validate_fixed_rate_settings(struct ath12k *ar, enum nl80211_band ban const struct cfg80211_bitrate_mask *mask, unsigned int link_id) { - bool he_fixed_rate = false, vht_fixed_rate = false; - const u16 *vht_mcs_mask, *he_mcs_mask; + bool eht_fixed_rate = false, he_fixed_rate = false, vht_fixed_rate = false; + const u16 *vht_mcs_mask, *he_mcs_mask, *eht_mcs_mask; struct ieee80211_link_sta *link_sta; struct ath12k_peer *peer, *tmp; - u8 vht_nss, he_nss; + u8 vht_nss, he_nss, eht_nss; int ret = true; vht_mcs_mask = mask->control[band].vht_mcs; he_mcs_mask = mask->control[band].he_mcs; + eht_mcs_mask = mask->control[band].eht_mcs; if (ath12k_mac_bitrate_mask_num_vht_rates(ar, band, mask) == 1) vht_fixed_rate = true; @@ -12346,11 +12467,15 @@ ath12k_mac_validate_fixed_rate_settings(struct ath12k *ar, enum nl80211_band ban if (ath12k_mac_bitrate_mask_num_he_rates(ar, band, mask) == 1) he_fixed_rate = true; - if (!vht_fixed_rate && !he_fixed_rate) + if (ath12k_mac_bitrate_mask_num_eht_rates(ar, band, mask) == 1) + eht_fixed_rate = true; + + if (!vht_fixed_rate && !he_fixed_rate && !eht_fixed_rate) return true; vht_nss = ath12k_mac_max_vht_nss(vht_mcs_mask); he_nss = ath12k_mac_max_he_nss(he_mcs_mask); + eht_nss = ath12k_mac_max_eht_nss(eht_mcs_mask); rcu_read_lock(); spin_lock_bh(&ar->ab->base_lock); @@ -12372,6 +12497,11 @@ ath12k_mac_validate_fixed_rate_settings(struct ath12k *ar, enum nl80211_band ban ret = false; goto exit; } + if (eht_fixed_rate && (!link_sta->eht_cap.has_eht || + link_sta->rx_nss < eht_nss)) { + ret = false; + goto exit; + } } } exit: @@ -12403,6 +12533,7 @@ ath12k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw, int ret; int num_rates; bool he_fixed_rate = false; + bool eht_fixed_rate = false; lockdep_assert_wiphy(hw->wiphy); @@ -12527,7 +12658,7 @@ ath12k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw, } ret = ath12k_mac_set_rate_params(arvif, rate, nss, sgi, ldpc, he_gi, - he_ltf, he_fixed_rate); + he_ltf, he_fixed_rate, eht_fixed_rate); if (ret) { ath12k_warn(ar->ab, "failed to set rate params on vdev %i: %d\n", arvif->vdev_id, ret); -- 2.34.1