Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Lorenzo Bianconi | 1142 | 71.38% | 1 | 20.00% |
Deren Wu | 401 | 25.06% | 1 | 20.00% |
Shayne Chen | 49 | 3.06% | 1 | 20.00% |
Ryder Lee | 8 | 0.50% | 2 | 40.00% |
Total | 1600 | 5 |
// SPDX-License-Identifier: ISC /* Copyright (C) 2023 MediaTek Inc. */ #include "mt76_connac.h" #include "mt76_connac3_mac.h" #include "dma.h" #define HE_BITS(f) cpu_to_le16(IEEE80211_RADIOTAP_HE_##f) #define EHT_BITS(f) cpu_to_le32(IEEE80211_RADIOTAP_EHT_##f) #define HE_PREP(f, m, v) le16_encode_bits(le32_get_bits(v, MT_CRXV_HE_##m),\ IEEE80211_RADIOTAP_HE_##f) #define EHT_PREP(f, m, v) le32_encode_bits(le32_get_bits(v, MT_CRXV_EHT_##m),\ IEEE80211_RADIOTAP_EHT_##f) static void mt76_connac3_mac_decode_he_radiotap_ru(struct mt76_rx_status *status, struct ieee80211_radiotap_he *he, __le32 *rxv) { u32 ru = le32_get_bits(rxv[0], MT_PRXV_HE_RU_ALLOC), offs = 0; status->bw = RATE_INFO_BW_HE_RU; switch (ru) { case 0 ... 36: status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_26; offs = ru; break; case 37 ... 52: status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_52; offs = ru - 37; break; case 53 ... 60: status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_106; offs = ru - 53; break; case 61 ... 64: status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_242; offs = ru - 61; break; case 65 ... 66: status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_484; offs = ru - 65; break; case 67: status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_996; break; case 68: status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_2x996; break; } he->data1 |= HE_BITS(DATA1_BW_RU_ALLOC_KNOWN); he->data2 |= HE_BITS(DATA2_RU_OFFSET_KNOWN) | le16_encode_bits(offs, IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET); } #define MU_PREP(f, v) le16_encode_bits(v, IEEE80211_RADIOTAP_HE_MU_##f) static void mt76_connac3_mac_decode_he_mu_radiotap(struct sk_buff *skb, __le32 *rxv) { struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb; static const struct ieee80211_radiotap_he_mu mu_known = { .flags1 = HE_BITS(MU_FLAGS1_SIG_B_MCS_KNOWN) | HE_BITS(MU_FLAGS1_SIG_B_DCM_KNOWN) | HE_BITS(MU_FLAGS1_CH1_RU_KNOWN) | HE_BITS(MU_FLAGS1_SIG_B_SYMS_USERS_KNOWN), .flags2 = HE_BITS(MU_FLAGS2_BW_FROM_SIG_A_BW_KNOWN), }; struct ieee80211_radiotap_he_mu *he_mu; status->flag |= RX_FLAG_RADIOTAP_HE_MU; he_mu = skb_push(skb, sizeof(mu_known)); memcpy(he_mu, &mu_known, sizeof(mu_known)); he_mu->flags1 |= MU_PREP(FLAGS1_SIG_B_MCS, status->rate_idx); if (status->he_dcm) he_mu->flags1 |= MU_PREP(FLAGS1_SIG_B_DCM, status->he_dcm); he_mu->flags2 |= MU_PREP(FLAGS2_BW_FROM_SIG_A_BW, status->bw) | MU_PREP(FLAGS2_SIG_B_SYMS_USERS, le32_get_bits(rxv[4], MT_CRXV_HE_NUM_USER)); he_mu->ru_ch1[0] = le32_get_bits(rxv[16], MT_CRXV_HE_RU0) & 0xff; if (status->bw >= RATE_INFO_BW_40) { he_mu->flags1 |= HE_BITS(MU_FLAGS1_CH2_RU_KNOWN); he_mu->ru_ch2[0] = le32_get_bits(rxv[16], MT_CRXV_HE_RU1) & 0xff; } if (status->bw >= RATE_INFO_BW_80) { u32 ru_h, ru_l; he_mu->ru_ch1[1] = le32_get_bits(rxv[16], MT_CRXV_HE_RU2) & 0xff; ru_l = le32_get_bits(rxv[16], MT_CRXV_HE_RU3_L); ru_h = le32_get_bits(rxv[17], MT_CRXV_HE_RU3_H) & 0x7; he_mu->ru_ch2[1] = (u8)(ru_l | ru_h << 4); } } void mt76_connac3_mac_decode_he_radiotap(struct sk_buff *skb, __le32 *rxv, u8 mode) { struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb; static const struct ieee80211_radiotap_he known = { .data1 = HE_BITS(DATA1_DATA_MCS_KNOWN) | HE_BITS(DATA1_DATA_DCM_KNOWN) | HE_BITS(DATA1_STBC_KNOWN) | HE_BITS(DATA1_CODING_KNOWN) | HE_BITS(DATA1_LDPC_XSYMSEG_KNOWN) | HE_BITS(DATA1_DOPPLER_KNOWN) | HE_BITS(DATA1_SPTL_REUSE_KNOWN) | HE_BITS(DATA1_BSS_COLOR_KNOWN), .data2 = HE_BITS(DATA2_GI_KNOWN) | HE_BITS(DATA2_TXBF_KNOWN) | HE_BITS(DATA2_PE_DISAMBIG_KNOWN) | HE_BITS(DATA2_TXOP_KNOWN), }; u32 ltf_size = le32_get_bits(rxv[4], MT_CRXV_HE_LTF_SIZE) + 1; struct ieee80211_radiotap_he *he; status->flag |= RX_FLAG_RADIOTAP_HE; he = skb_push(skb, sizeof(known)); memcpy(he, &known, sizeof(known)); he->data3 = HE_PREP(DATA3_BSS_COLOR, BSS_COLOR, rxv[9]) | HE_PREP(DATA3_LDPC_XSYMSEG, LDPC_EXT_SYM, rxv[4]); he->data4 = HE_PREP(DATA4_SU_MU_SPTL_REUSE, SR_MASK, rxv[13]); he->data5 = HE_PREP(DATA5_PE_DISAMBIG, PE_DISAMBIG, rxv[5]) | le16_encode_bits(ltf_size, IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE); if (le32_to_cpu(rxv[0]) & MT_PRXV_TXBF) he->data5 |= HE_BITS(DATA5_TXBF); he->data6 = HE_PREP(DATA6_TXOP, TXOP_DUR, rxv[9]) | HE_PREP(DATA6_DOPPLER, DOPPLER, rxv[9]); switch (mode) { case MT_PHY_TYPE_HE_SU: he->data1 |= HE_BITS(DATA1_FORMAT_SU) | HE_BITS(DATA1_UL_DL_KNOWN) | HE_BITS(DATA1_BEAM_CHANGE_KNOWN) | HE_BITS(DATA1_BW_RU_ALLOC_KNOWN); he->data3 |= HE_PREP(DATA3_BEAM_CHANGE, BEAM_CHNG, rxv[8]) | HE_PREP(DATA3_UL_DL, UPLINK, rxv[5]); break; case MT_PHY_TYPE_HE_EXT_SU: he->data1 |= HE_BITS(DATA1_FORMAT_EXT_SU) | HE_BITS(DATA1_UL_DL_KNOWN) | HE_BITS(DATA1_BW_RU_ALLOC_KNOWN); he->data3 |= HE_PREP(DATA3_UL_DL, UPLINK, rxv[5]); break; case MT_PHY_TYPE_HE_MU: he->data1 |= HE_BITS(DATA1_FORMAT_MU) | HE_BITS(DATA1_UL_DL_KNOWN); he->data3 |= HE_PREP(DATA3_UL_DL, UPLINK, rxv[5]); he->data4 |= HE_PREP(DATA4_MU_STA_ID, MU_AID, rxv[8]); mt76_connac3_mac_decode_he_radiotap_ru(status, he, rxv); mt76_connac3_mac_decode_he_mu_radiotap(skb, rxv); break; case MT_PHY_TYPE_HE_TB: he->data1 |= HE_BITS(DATA1_FORMAT_TRIG) | HE_BITS(DATA1_SPTL_REUSE2_KNOWN) | HE_BITS(DATA1_SPTL_REUSE3_KNOWN) | HE_BITS(DATA1_SPTL_REUSE4_KNOWN); he->data4 |= HE_PREP(DATA4_TB_SPTL_REUSE1, SR_MASK, rxv[13]) | HE_PREP(DATA4_TB_SPTL_REUSE2, SR1_MASK, rxv[13]) | HE_PREP(DATA4_TB_SPTL_REUSE3, SR2_MASK, rxv[13]) | HE_PREP(DATA4_TB_SPTL_REUSE4, SR3_MASK, rxv[13]); mt76_connac3_mac_decode_he_radiotap_ru(status, he, rxv); break; default: break; } } EXPORT_SYMBOL_GPL(mt76_connac3_mac_decode_he_radiotap); static void * mt76_connac3_mac_radiotap_push_tlv(struct sk_buff *skb, u16 type, u16 len) { struct ieee80211_radiotap_tlv *tlv; tlv = skb_push(skb, sizeof(*tlv) + len); tlv->type = cpu_to_le16(type); tlv->len = cpu_to_le16(len); memset(tlv->data, 0, len); return tlv->data; } void mt76_connac3_mac_decode_eht_radiotap(struct sk_buff *skb, __le32 *rxv, u8 mode) { struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb; struct ieee80211_radiotap_eht_usig *usig; struct ieee80211_radiotap_eht *eht; u32 ltf_size = le32_get_bits(rxv[4], MT_CRXV_HE_LTF_SIZE) + 1; u8 bw = FIELD_GET(MT_PRXV_FRAME_MODE, le32_to_cpu(rxv[2])); if (WARN_ONCE(skb_mac_header(skb) != skb->data, "Should push tlv at the top of mac hdr")) return; eht = mt76_connac3_mac_radiotap_push_tlv(skb, IEEE80211_RADIOTAP_EHT, sizeof(*eht) + sizeof(u32)); usig = mt76_connac3_mac_radiotap_push_tlv(skb, IEEE80211_RADIOTAP_EHT_USIG, sizeof(*usig)); status->flag |= RX_FLAG_RADIOTAP_TLV_AT_END; eht->known |= EHT_BITS(KNOWN_SPATIAL_REUSE) | EHT_BITS(KNOWN_GI) | EHT_BITS(KNOWN_EHT_LTF) | EHT_BITS(KNOWN_LDPC_EXTRA_SYM_OM) | EHT_BITS(KNOWN_PE_DISAMBIGUITY_OM) | EHT_BITS(KNOWN_NSS_S); eht->data[0] |= EHT_PREP(DATA0_SPATIAL_REUSE, SR_MASK, rxv[13]) | cpu_to_le32(FIELD_PREP(IEEE80211_RADIOTAP_EHT_DATA0_GI, status->eht.gi) | FIELD_PREP(IEEE80211_RADIOTAP_EHT_DATA0_LTF, ltf_size)) | EHT_PREP(DATA0_PE_DISAMBIGUITY_OM, PE_DISAMBIG, rxv[5]) | EHT_PREP(DATA0_LDPC_EXTRA_SYM_OM, LDPC_EXT_SYM, rxv[4]); eht->data[7] |= le32_encode_bits(status->nss, IEEE80211_RADIOTAP_EHT_DATA7_NSS_S); eht->user_info[0] |= EHT_BITS(USER_INFO_MCS_KNOWN) | EHT_BITS(USER_INFO_CODING_KNOWN) | EHT_BITS(USER_INFO_NSS_KNOWN_O) | EHT_BITS(USER_INFO_BEAMFORMING_KNOWN_O) | EHT_BITS(USER_INFO_DATA_FOR_USER) | le32_encode_bits(status->rate_idx, IEEE80211_RADIOTAP_EHT_USER_INFO_MCS) | le32_encode_bits(status->nss, IEEE80211_RADIOTAP_EHT_USER_INFO_NSS_O); if (le32_to_cpu(rxv[0]) & MT_PRXV_TXBF) eht->user_info[0] |= EHT_BITS(USER_INFO_BEAMFORMING_O); if (le32_to_cpu(rxv[0]) & MT_PRXV_HT_AD_CODE) eht->user_info[0] |= EHT_BITS(USER_INFO_CODING); if (mode == MT_PHY_TYPE_EHT_MU) eht->user_info[0] |= EHT_BITS(USER_INFO_STA_ID_KNOWN) | EHT_PREP(USER_INFO_STA_ID, MU_AID, rxv[8]); usig->common |= EHT_BITS(USIG_COMMON_PHY_VER_KNOWN) | EHT_BITS(USIG_COMMON_BW_KNOWN) | EHT_BITS(USIG_COMMON_UL_DL_KNOWN) | EHT_BITS(USIG_COMMON_BSS_COLOR_KNOWN) | EHT_BITS(USIG_COMMON_TXOP_KNOWN) | le32_encode_bits(0, IEEE80211_RADIOTAP_EHT_USIG_COMMON_PHY_VER) | le32_encode_bits(bw, IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW) | EHT_PREP(USIG_COMMON_UL_DL, UPLINK, rxv[5]) | EHT_PREP(USIG_COMMON_BSS_COLOR, BSS_COLOR, rxv[9]) | EHT_PREP(USIG_COMMON_TXOP, TXOP_DUR, rxv[9]); } EXPORT_SYMBOL_GPL(mt76_connac3_mac_decode_eht_radiotap);
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