diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.c b/drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.c index 73e9f283d0ae..92ad1ecf6c9d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.c @@ -6,8 +6,11 @@ #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, @@ -180,3 +183,85 @@ void mt76_connac3_mac_decode_he_radiotap(struct sk_buff *skb, __le32 *rxv, } } 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); |