/* SPDX-License-Identifier: ISC */ /* * Copyright (c) 2005-2011 Atheros Communications Inc. * Copyright (c) 2011-2017 Qualcomm Atheros, Inc. */ #ifndef _RX_DESC_H_ #define _RX_DESC_H_ #include <linux/bitops.h> enum rx_attention_flags { RX_ATTENTION_FLAGS_FIRST_MPDU = BIT(0), RX_ATTENTION_FLAGS_LAST_MPDU = BIT(1), RX_ATTENTION_FLAGS_MCAST_BCAST = BIT(2), RX_ATTENTION_FLAGS_PEER_IDX_INVALID = BIT(3), RX_ATTENTION_FLAGS_PEER_IDX_TIMEOUT = BIT(4), RX_ATTENTION_FLAGS_POWER_MGMT = BIT(5), RX_ATTENTION_FLAGS_NON_QOS = BIT(6), RX_ATTENTION_FLAGS_NULL_DATA = BIT(7), RX_ATTENTION_FLAGS_MGMT_TYPE = BIT(8), RX_ATTENTION_FLAGS_CTRL_TYPE = BIT(9), RX_ATTENTION_FLAGS_MORE_DATA = BIT(10), RX_ATTENTION_FLAGS_EOSP = BIT(11), RX_ATTENTION_FLAGS_U_APSD_TRIGGER = BIT(12), RX_ATTENTION_FLAGS_FRAGMENT = BIT(13), RX_ATTENTION_FLAGS_ORDER = BIT(14), RX_ATTENTION_FLAGS_CLASSIFICATION = BIT(15), RX_ATTENTION_FLAGS_OVERFLOW_ERR = BIT(16), RX_ATTENTION_FLAGS_MSDU_LENGTH_ERR = BIT(17), RX_ATTENTION_FLAGS_TCP_UDP_CHKSUM_FAIL = BIT(18), RX_ATTENTION_FLAGS_IP_CHKSUM_FAIL = BIT(19), RX_ATTENTION_FLAGS_SA_IDX_INVALID = BIT(20), RX_ATTENTION_FLAGS_DA_IDX_INVALID = BIT(21), RX_ATTENTION_FLAGS_SA_IDX_TIMEOUT = BIT(22), RX_ATTENTION_FLAGS_DA_IDX_TIMEOUT = BIT(23), RX_ATTENTION_FLAGS_ENCRYPT_REQUIRED = BIT(24), RX_ATTENTION_FLAGS_DIRECTED = BIT(25), RX_ATTENTION_FLAGS_BUFFER_FRAGMENT = BIT(26), RX_ATTENTION_FLAGS_MPDU_LENGTH_ERR = BIT(27), RX_ATTENTION_FLAGS_TKIP_MIC_ERR = BIT(28), RX_ATTENTION_FLAGS_DECRYPT_ERR = BIT(29), RX_ATTENTION_FLAGS_FCS_ERR = BIT(30), RX_ATTENTION_FLAGS_MSDU_DONE = BIT(31), }; struct rx_attention { __le32 flags; /* %RX_ATTENTION_FLAGS_ */ } __packed; /* * first_mpdu * Indicates the first MSDU of the PPDU. If both first_mpdu * and last_mpdu are set in the MSDU then this is a not an * A-MPDU frame but a stand alone MPDU. Interior MPDU in an * A-MPDU shall have both first_mpdu and last_mpdu bits set to * 0. The PPDU start status will only be valid when this bit * is set. * * last_mpdu * Indicates the last MSDU of the last MPDU of the PPDU. The * PPDU end status will only be valid when this bit is set. * * mcast_bcast * Multicast / broadcast indicator. Only set when the MAC * address 1 bit 0 is set indicating mcast/bcast and the BSSID * matches one of the 4 BSSID registers. Only set when * first_msdu is set. * * peer_idx_invalid * Indicates no matching entries within the max search * count. Only set when first_msdu is set. * * peer_idx_timeout * Indicates an unsuccessful search for the peer index due to * timeout. Only set when first_msdu is set. * * power_mgmt * Power management bit set in the 802.11 header. Only set * when first_msdu is set. * * non_qos * Set if packet is not a non-QoS data frame. Only set when * first_msdu is set. * * null_data * Set if frame type indicates either null data or QoS null * data format. Only set when first_msdu is set. * * mgmt_type * Set if packet is a management packet. Only set when * first_msdu is set. * * ctrl_type * Set if packet is a control packet. Only set when first_msdu * is set. * * more_data * Set if more bit in frame control is set. Only set when * first_msdu is set. * * eosp * Set if the EOSP (end of service period) bit in the QoS * control field is set. Only set when first_msdu is set. * * u_apsd_trigger * Set if packet is U-APSD trigger. Key table will have bits * per TID to indicate U-APSD trigger. * * fragment * Indicates that this is an 802.11 fragment frame. This is * set when either the more_frag bit is set in the frame * control or the fragment number is not zero. Only set when * first_msdu is set. * * order * Set if the order bit in the frame control is set. Only set * when first_msdu is set. * * classification * Indicates that this status has a corresponding MSDU that * requires FW processing. The OLE will have classification * ring mask registers which will indicate the ring(s) for * packets and descriptors which need FW attention. * * overflow_err * PCU Receive FIFO does not have enough space to store the * full receive packet. Enough space is reserved in the * receive FIFO for the status is written. This MPDU remaining * packets in the PPDU will be filtered and no Ack response * will be transmitted. * * msdu_length_err * Indicates that the MSDU length from the 802.3 encapsulated * length field extends beyond the MPDU boundary. * * tcp_udp_chksum_fail * Indicates that the computed checksum (tcp_udp_chksum) did * not match the checksum in the TCP/UDP header. * * ip_chksum_fail * Indicates that the computed checksum did not match the * checksum in the IP header. * * sa_idx_invalid * Indicates no matching entry was found in the address search * table for the source MAC address. * * da_idx_invalid * Indicates no matching entry was found in the address search * table for the destination MAC address. * * sa_idx_timeout * Indicates an unsuccessful search for the source MAC address * due to the expiring of the search timer. * * da_idx_timeout * Indicates an unsuccessful search for the destination MAC * address due to the expiring of the search timer. * * encrypt_required * Indicates that this data type frame is not encrypted even if * the policy for this MPDU requires encryption as indicated in * the peer table key type. * * directed * MPDU is a directed packet which means that the RA matched * our STA addresses. In proxySTA it means that the TA matched * an entry in our address search table with the corresponding * 'no_ack' bit is the address search entry cleared. * * buffer_fragment * Indicates that at least one of the rx buffers has been * fragmented. If set the FW should look at the rx_frag_info * descriptor described below. * * mpdu_length_err * Indicates that the MPDU was pre-maturely terminated * resulting in a truncated MPDU. Don't trust the MPDU length * field. * * tkip_mic_err * Indicates that the MPDU Michael integrity check failed * * decrypt_err * Indicates that the MPDU decrypt integrity check failed * * fcs_err * Indicates that the MPDU FCS check failed * * msdu_done * If set indicates that the RX packet data, RX header data, RX * PPDU start descriptor, RX MPDU start/end descriptor, RX MSDU * start/end descriptors and RX Attention descriptor are all * valid. This bit must be in the last octet of the * descriptor. */ struct rx_frag_info_common { u8 ring0_more_count; u8 ring1_more_count; u8 ring2_more_count; u8 ring3_more_count; } __packed; struct rx_frag_info_wcn3990 { u8 ring4_more_count; u8 ring5_more_count; u8 ring6_more_count; u8 ring7_more_count; } __packed; struct rx_frag_info { struct rx_frag_info_common common; union { struct rx_frag_info_wcn3990 wcn3990; } __packed; } __packed; struct rx_frag_info_v1 { struct rx_frag_info_common common; } __packed; /* * ring0_more_count * Indicates the number of more buffers associated with RX DMA * ring 0. Field is filled in by the RX_DMA. * * ring1_more_count * Indicates the number of more buffers associated with RX DMA * ring 1. Field is filled in by the RX_DMA. * * ring2_more_count * Indicates the number of more buffers associated with RX DMA * ring 2. Field is filled in by the RX_DMA. * * ring3_more_count * Indicates the number of more buffers associated with RX DMA * ring 3. Field is filled in by the RX_DMA. */ enum htt_rx_mpdu_encrypt_type { HTT_RX_MPDU_ENCRYPT_WEP40 = 0, HTT_RX_MPDU_ENCRYPT_WEP104 = 1, HTT_RX_MPDU_ENCRYPT_TKIP_WITHOUT_MIC = 2, HTT_RX_MPDU_ENCRYPT_WEP128 = 3, HTT_RX_MPDU_ENCRYPT_TKIP_WPA = 4, HTT_RX_MPDU_ENCRYPT_WAPI = 5, HTT_RX_MPDU_ENCRYPT_AES_CCM_WPA2 = 6, HTT_RX_MPDU_ENCRYPT_NONE = 7, HTT_RX_MPDU_ENCRYPT_AES_CCM256_WPA2 = 8, HTT_RX_MPDU_ENCRYPT_AES_GCMP_WPA2 = 9, HTT_RX_MPDU_ENCRYPT_AES_GCMP256_WPA2 = 10, }; #define RX_MPDU_START_INFO0_PEER_IDX_MASK 0x000007ff #define RX_MPDU_START_INFO0_PEER_IDX_LSB 0 #define RX_MPDU_START_INFO0_SEQ_NUM_MASK 0x0fff0000 #define RX_MPDU_START_INFO0_SEQ_NUM_LSB 16 #define RX_MPDU_START_INFO0_ENCRYPT_TYPE_MASK 0xf0000000 #define RX_MPDU_START_INFO0_ENCRYPT_TYPE_LSB 28 #define RX_MPDU_START_INFO0_FROM_DS BIT(11) #define RX_MPDU_START_INFO0_TO_DS BIT(12) #define RX_MPDU_START_INFO0_ENCRYPTED BIT(13) #define RX_MPDU_START_INFO0_RETRY BIT(14) #define RX_MPDU_START_INFO0_TXBF_H_INFO BIT(15) #define RX_MPDU_START_INFO1_TID_MASK 0xf0000000 #define RX_MPDU_START_INFO1_TID_LSB 28 #define RX_MPDU_START_INFO1_DIRECTED BIT(16) struct rx_mpdu_start { __le32 info0; union { struct { __le32 pn31_0; __le32 info1; /* %RX_MPDU_START_INFO1_ */ } __packed; struct { u8 pn[6]; } __packed; } __packed; } __packed; /* * peer_idx * The index of the address search table which associated with * the peer table entry corresponding to this MPDU. Only valid * when first_msdu is set. * * fr_ds * Set if the from DS bit is set in the frame control. Only * valid when first_msdu is set. * * to_ds * Set if the to DS bit is set in the frame control. Only * valid when first_msdu is set. * * encrypted * Protected bit from the frame control. Only valid when * first_msdu is set. * * retry * Retry bit from the frame control. Only valid when * first_msdu is set. * * txbf_h_info * The MPDU data will contain H information. Primarily used * for debug. * * seq_num * The sequence number from the 802.11 header. Only valid when * first_msdu is set. * * encrypt_type * Indicates type of decrypt cipher used (as defined in the * peer table) * 0: WEP40 * 1: WEP104 * 2: TKIP without MIC * 3: WEP128 * 4: TKIP (WPA) * 5: WAPI * 6: AES-CCM (WPA2) * 7: No cipher * Only valid when first_msdu_is set * * pn_31_0 * Bits [31:0] of the PN number extracted from the IV field * WEP: IV = {key_id_octet, pn2, pn1, pn0}. Only pn[23:0] is * valid. * TKIP: IV = {pn5, pn4, pn3, pn2, key_id_octet, pn0, * WEPSeed[1], pn1}. Only pn[47:0] is valid. * AES-CCM: IV = {pn5, pn4, pn3, pn2, key_id_octet, 0x0, pn1, * pn0}. Only pn[47:0] is valid. * WAPI: IV = {key_id_octet, 0x0, pn15, pn14, pn13, pn12, pn11, * pn10, pn9, pn8, pn7, pn6, pn5, pn4, pn3, pn2, pn1, pn0}. * The ext_wapi_pn[127:48] in the rx_msdu_misc descriptor and * pn[47:0] are valid. * Only valid when first_msdu is set. * * pn_47_32 * Bits [47:32] of the PN number. See description for * pn_31_0. The remaining PN fields are in the rx_msdu_end * descriptor * * pn * Use this field to access the pn without worrying about * byte-order and bitmasking/bitshifting. * * directed * See definition in RX attention descriptor * * reserved_2 * Reserved: HW should fill with zero. FW should ignore. * * tid * The TID field in the QoS control field */ #define RX_MPDU_END_INFO0_RESERVED_0_MASK 0x00001fff #define RX_MPDU_END_INFO0_RESERVED_0_LSB 0 #define RX_MPDU_END_INFO0_POST_DELIM_CNT_MASK 0x0fff0000 #define RX_MPDU_END_INFO0_POST_DELIM_CNT_LSB 16 #define RX_MPDU_END_INFO0_OVERFLOW_ERR BIT(13) #define RX_MPDU_END_INFO0_LAST_MPDU BIT(14) #define RX_MPDU_END_INFO0_POST_DELIM_ERR BIT(15) #define RX_MPDU_END_INFO0_MPDU_LENGTH_ERR BIT(28) #define RX_MPDU_END_INFO0_TKIP_MIC_ERR BIT(29) #define RX_MPDU_END_INFO0_DECRYPT_ERR BIT(30) #define RX_MPDU_END_INFO0_FCS_ERR BIT(31) struct rx_mpdu_end { __le32 info0; } __packed; /* * reserved_0 * Reserved * * overflow_err * PCU Receive FIFO does not have enough space to store the * full receive packet. Enough space is reserved in the * receive FIFO for the status is written. This MPDU remaining * packets in the PPDU will be filtered and no Ack response * will be transmitted. * * last_mpdu * Indicates that this is the last MPDU of a PPDU. * * post_delim_err * Indicates that a delimiter FCS error occurred after this * MPDU before the next MPDU. Only valid when last_msdu is * set. * * post_delim_cnt * Count of the delimiters after this MPDU. This requires the * last MPDU to be held until all the EOF descriptors have been * received. This may be inefficient in the future when * ML-MIMO is used. Only valid when last_mpdu is set. * * mpdu_length_err * See definition in RX attention descriptor * * tkip_mic_err * See definition in RX attention descriptor * * decrypt_err * See definition in RX attention descriptor * * fcs_err * See definition in RX attention descriptor */ #define RX_MSDU_START_INFO0_MSDU_LENGTH_MASK 0x00003fff #define RX_MSDU_START_INFO0_MSDU_LENGTH_LSB 0 #define RX_MSDU_START_INFO0_IP_OFFSET_MASK 0x000fc000 #define RX_MSDU_START_INFO0_IP_OFFSET_LSB 14 #define RX_MSDU_START_INFO0_RING_MASK_MASK 0x00f00000 #define RX_MSDU_START_INFO0_RING_MASK_LSB 20 #define RX_MSDU_START_INFO0_TCP_UDP_OFFSET_MASK 0x7f000000 #define RX_MSDU_START_INFO0_TCP_UDP_OFFSET_LSB 24 #define RX_MSDU_START_INFO1_MSDU_NUMBER_MASK 0x000000ff #define RX_MSDU_START_INFO1_MSDU_NUMBER_LSB 0 #define RX_MSDU_START_INFO1_DECAP_FORMAT_MASK 0x00000300 #define RX_MSDU_START_INFO1_DECAP_FORMAT_LSB 8 #define RX_MSDU_START_INFO1_SA_IDX_MASK 0x07ff0000 #define RX_MSDU_START_INFO1_SA_IDX_LSB 16 #define RX_MSDU_START_INFO1_IPV4_PROTO BIT(10) #define RX_MSDU_START_INFO1_IPV6_PROTO BIT(11) #define RX_MSDU_START_INFO1_TCP_PROTO BIT(12) #define RX_MSDU_START_INFO1_UDP_PROTO BIT(13) #define RX_MSDU_START_INFO1_IP_FRAG BIT(14) #define RX_MSDU_START_INFO1_TCP_ONLY_ACK BIT(15) #define RX_MSDU_START_INFO2_DA_IDX_MASK 0x000007ff #define RX_MSDU_START_INFO2_DA_IDX_LSB 0 #define RX_MSDU_START_INFO2_IP_PROTO_FIELD_MASK 0x00ff0000 #define RX_MSDU_START_INFO2_IP_PROTO_FIELD_LSB 16 #define RX_MSDU_START_INFO2_DA_BCAST_MCAST BIT(11) /* The decapped header (rx_hdr_status) contains the following: * a) 802.11 header * [padding to 4 bytes] * b) HW crypto parameter * - 0 bytes for no security * - 4 bytes for WEP * - 8 bytes for TKIP, AES * [padding to 4 bytes] * c) A-MSDU subframe header (14 bytes) if applicable * d) LLC/SNAP (RFC1042, 8 bytes) * * In case of A-MSDU only first frame in sequence contains (a) and (b). */ enum rx_msdu_decap_format { RX_MSDU_DECAP_RAW = 0, /* Note: QoS frames are reported as non-QoS. The rx_hdr_status in * htt_rx_desc contains the original decapped 802.11 header. */ RX_MSDU_DECAP_NATIVE_WIFI = 1, /* Payload contains an ethernet header (struct ethhdr). */ RX_MSDU_DECAP_ETHERNET2_DIX = 2, /* Payload contains two 48-bit addresses and 2-byte length (14 bytes * total), followed by an RFC1042 header (8 bytes). */ RX_MSDU_DECAP_8023_SNAP_LLC = 3 }; struct rx_msdu_start_common { __le32 info0; /* %RX_MSDU_START_INFO0_ */ __le32 flow_id_crc; __le32 info1; /* %RX_MSDU_START_INFO1_ */ } __packed; struct rx_msdu_start_qca99x0 { __le32 info2; /* %RX_MSDU_START_INFO2_ */ } __packed; struct rx_msdu_start_wcn3990 { __le32 info2; /* %RX_MSDU_START_INFO2_ */ __le32 info3; /* %RX_MSDU_START_INFO3_ */ } __packed; struct rx_msdu_start { struct rx_msdu_start_common common; union { struct rx_msdu_start_wcn3990 wcn3990; } __packed; } __packed; struct rx_msdu_start_v1 { struct rx_msdu_start_common common; union { struct rx_msdu_start_qca99x0 qca99x0; } __packed; } __packed; /* * msdu_length * MSDU length in bytes after decapsulation. This field is * still valid for MPDU frames without A-MSDU. It still * represents MSDU length after decapsulation * * ip_offset * Indicates the IP offset in bytes from the start of the * packet after decapsulation. Only valid if ipv4_proto or * ipv6_proto is set. * * ring_mask * Indicates the destination RX rings for this MSDU. * * tcp_udp_offset * Indicates the offset in bytes to the start of TCP or UDP * header from the start of the IP header after decapsulation. * Only valid if tcp_prot or udp_prot is set. The value 0 * indicates that the offset is longer than 127 bytes. * * reserved_0c * Reserved: HW should fill with zero. FW should ignore. * * flow_id_crc * The flow_id_crc runs CRC32 on the following information: * IPv4 option: dest_addr[31:0], src_addr [31:0], {24'b0, * protocol[7:0]}. * IPv6 option: dest_addr[127:0], src_addr [127:0], {24'b0, * next_header[7:0]} * UDP case: sort_port[15:0], dest_port[15:0] * TCP case: sort_port[15:0], dest_port[15:0], * {header_length[3:0], 6'b0, flags[5:0], window_size[15:0]}, * {16'b0, urgent_ptr[15:0]}, all options except 32-bit * timestamp. * * msdu_number * Indicates the MSDU number within a MPDU. This value is * reset to zero at the start of each MPDU. If the number of * MSDU exceeds 255 this number will wrap using modulo 256. * * decap_format * Indicates the format after decapsulation: * 0: RAW: No decapsulation * 1: Native WiFi * 2: Ethernet 2 (DIX) * 3: 802.3 (SNAP/LLC) * * ipv4_proto * Set if L2 layer indicates IPv4 protocol. * * ipv6_proto * Set if L2 layer indicates IPv6 protocol. * * tcp_proto * Set if the ipv4_proto or ipv6_proto are set and the IP * protocol indicates TCP. * * udp_proto * Set if the ipv4_proto or ipv6_proto are set and the IP * protocol indicates UDP. * * ip_frag * Indicates that either the IP More frag bit is set or IP frag * number is non-zero. If set indicates that this is a * fragmented IP packet. * * tcp_only_ack * Set if only the TCP Ack bit is set in the TCP flags and if * the TCP payload is 0. * * sa_idx * The offset in the address table which matches the MAC source * address. * * reserved_2b * Reserved: HW should fill with zero. FW should ignore. */ #define RX_MSDU_END_INFO0_REPORTED_MPDU_LENGTH_MASK 0x00003fff #define RX_MSDU_END_INFO0_REPORTED_MPDU_LENGTH_LSB 0 #define RX_MSDU_END_INFO0_FIRST_MSDU BIT(14) #define RX_MSDU_END_INFO0_LAST_MSDU BIT(15) #define RX_MSDU_END_INFO0_MSDU_LIMIT_ERR BIT(18) #define RX_MSDU_END_INFO0_PRE_DELIM_ERR BIT(30) #define RX_MSDU_END_INFO0_RESERVED_3B BIT(31) struct rx_msdu_end_common { __le16 ip_hdr_cksum; __le16 tcp_hdr_cksum; u8 key_id_octet; u8 classification_filter; u8 wapi_pn[10]; __le32 info0; } __packed; #define RX_MSDU_END_INFO1_TCP_FLAG_MASK 0x000001ff #define RX_MSDU_END_INFO1_TCP_FLAG_LSB 0 #define RX_MSDU_END_INFO1_L3_HDR_PAD_MASK 0x00001c00 #define RX_MSDU_END_INFO1_L3_HDR_PAD_LSB 10 #define RX_MSDU_END_INFO1_WINDOW_SIZE_MASK 0xffff0000 #define RX_MSDU_END_INFO1_WINDOW_SIZE_LSB 16 #define RX_MSDU_END_INFO1_IRO_ELIGIBLE BIT(9) #define RX_MSDU_END_INFO2_DA_OFFSET_MASK 0x0000003f #define RX_MSDU_END_INFO2_DA_OFFSET_LSB 0 #define RX_MSDU_END_INFO2_SA_OFFSET_MASK 0x00000fc0 #define RX_MSDU_END_INFO2_SA_OFFSET_LSB 6 #define RX_MSDU_END_INFO2_TYPE_OFFSET_MASK 0x0003f000 #define RX_MSDU_END_INFO2_TYPE_OFFSET_LSB 12 struct rx_msdu_end_qca99x0 { __le32 ipv6_crc; __le32 tcp_seq_no; __le32 tcp_ack_no; __le32 info1; __le32 info2; } __packed; struct rx_msdu_end_wcn3990 { __le32 ipv6_crc; __le32 tcp_seq_no; __le32 tcp_ack_no; __le32 info1; __le32 info2; __le32 rule_indication_0; __le32 rule_indication_1; __le32 rule_indication_2; __le32 rule_indication_3; } __packed; struct rx_msdu_end { struct rx_msdu_end_common common; union { struct rx_msdu_end_wcn3990 wcn3990; } __packed; } __packed; struct rx_msdu_end_v1 { struct rx_msdu_end_common common; union { struct rx_msdu_end_qca99x0 qca99x0; } __packed; } __packed; /* *ip_hdr_chksum * This can include the IP header checksum or the pseudo header * checksum used by TCP/UDP checksum. * *tcp_udp_chksum * The value of the computed TCP/UDP checksum. A mode bit * selects whether this checksum is the full checksum or the * partial checksum which does not include the pseudo header. * *key_id_octet * The key ID octet from the IV. Only valid when first_msdu is * set. * *classification_filter * Indicates the number classification filter rule * *ext_wapi_pn_63_48 * Extension PN (packet number) which is only used by WAPI. * This corresponds to WAPI PN bits [63:48] (pn6 and pn7). The * WAPI PN bits [63:0] are in the pn field of the rx_mpdu_start * descriptor. * *ext_wapi_pn_95_64 * Extension PN (packet number) which is only used by WAPI. * This corresponds to WAPI PN bits [95:64] (pn8, pn9, pn10 and * pn11). * *ext_wapi_pn_127_96 * Extension PN (packet number) which is only used by WAPI. * This corresponds to WAPI PN bits [127:96] (pn12, pn13, pn14, * pn15). * *reported_mpdu_length * MPDU length before decapsulation. Only valid when * first_msdu is set. This field is taken directly from the * length field of the A-MPDU delimiter or the preamble length * field for non-A-MPDU frames. * *first_msdu * Indicates the first MSDU of A-MSDU. If both first_msdu and * last_msdu are set in the MSDU then this is a non-aggregated * MSDU frame: normal MPDU. Interior MSDU in an A-MSDU shall * have both first_mpdu and last_mpdu bits set to 0. * *last_msdu * Indicates the last MSDU of the A-MSDU. MPDU end status is * only valid when last_msdu is set. * *msdu_limit_error * Indicates that the MSDU threshold was exceeded and thus * all the rest of the MSDUs will not be scattered and * will not be decapsulated but will be received in RAW format * as a single MSDU buffer. * *reserved_3a * Reserved: HW should fill with zero. FW should ignore. * *pre_delim_err * Indicates that the first delimiter had a FCS failure. Only * valid when first_mpdu and first_msdu are set. * *reserved_3b * Reserved: HW should fill with zero. FW should ignore. */ #define HTT_RX_PPDU_START_PREAMBLE_LEGACY 0x04 #define HTT_RX_PPDU_START_PREAMBLE_HT 0x08 #define HTT_RX_PPDU_START_PREAMBLE_HT_WITH_TXBF 0x09 #define HTT_RX_PPDU_START_PREAMBLE_VHT 0x0C #define HTT_RX_PPDU_START_PREAMBLE_VHT_WITH_TXBF 0x0D #define RX_PPDU_START_INFO0_IS_GREENFIELD BIT(0) #define RX_PPDU_START_INFO1_L_SIG_RATE_MASK 0x0000000f #define RX_PPDU_START_INFO1_L_SIG_RATE_LSB 0 #define RX_PPDU_START_INFO1_L_SIG_LENGTH_MASK 0x0001ffe0 #define RX_PPDU_START_INFO1_L_SIG_LENGTH_LSB 5 #define RX_PPDU_START_INFO1_L_SIG_TAIL_MASK 0x00fc0000 #define RX_PPDU_START_INFO1_L_SIG_TAIL_LSB 18 #define RX_PPDU_START_INFO1_PREAMBLE_TYPE_MASK 0xff000000 #define RX_PPDU_START_INFO1_PREAMBLE_TYPE_LSB 24 #define RX_PPDU_START_INFO1_L_SIG_RATE_SELECT BIT(4) #define RX_PPDU_START_INFO1_L_SIG_PARITY BIT(17) #define RX_PPDU_START_INFO2_HT_SIG_VHT_SIG_A_1_MASK 0x00ffffff #define RX_PPDU_START_INFO2_HT_SIG_VHT_SIG_A_1_LSB 0 #define RX_PPDU_START_INFO3_HT_SIG_VHT_SIG_A_2_MASK 0x00ffffff #define RX_PPDU_START_INFO3_HT_SIG_VHT_SIG_A_2_LSB 0 #define RX_PPDU_START_INFO3_TXBF_H_INFO BIT(24) #define RX_PPDU_START_INFO4_VHT_SIG_B_MASK 0x1fffffff #define RX_PPDU_START_INFO4_VHT_SIG_B_LSB 0 #define RX_PPDU_START_INFO5_SERVICE_MASK 0x0000ffff #define RX_PPDU_START_INFO5_SERVICE_LSB 0 /* No idea what this flag means. It seems to be always set in rate. */ #define RX_PPDU_START_RATE_FLAG BIT(3) struct rx_ppdu_start { struct { u8 pri20_mhz; u8 ext20_mhz; u8 ext40_mhz; u8 ext80_mhz; } rssi_chains[4]; u8 rssi_comb; __le16 rsvd0; u8 info0; /* %RX_PPDU_START_INFO0_ */ __le32 info1; /* %RX_PPDU_START_INFO1_ */ __le32 info2; /* %RX_PPDU_START_INFO2_ */ __le32 info3; /* %RX_PPDU_START_INFO3_ */ __le32 info4; /* %RX_PPDU_START_INFO4_ */ __le32 info5; /* %RX_PPDU_START_INFO5_ */ } __packed; /* * rssi_chain0_pri20 * RSSI of RX PPDU on chain 0 of primary 20 MHz bandwidth. * Value of 0x80 indicates invalid. * * rssi_chain0_sec20 * RSSI of RX PPDU on chain 0 of secondary 20 MHz bandwidth. * Value of 0x80 indicates invalid. * * rssi_chain0_sec40 * RSSI of RX PPDU on chain 0 of secondary 40 MHz bandwidth. * Value of 0x80 indicates invalid. * * rssi_chain0_sec80 * RSSI of RX PPDU on chain 0 of secondary 80 MHz bandwidth. * Value of 0x80 indicates invalid. * * rssi_chain1_pri20 * RSSI of RX PPDU on chain 1 of primary 20 MHz bandwidth. * Value of 0x80 indicates invalid. * * rssi_chain1_sec20 * RSSI of RX PPDU on chain 1 of secondary 20 MHz bandwidth. * Value of 0x80 indicates invalid. * * rssi_chain1_sec40 * RSSI of RX PPDU on chain 1 of secondary 40 MHz bandwidth. * Value of 0x80 indicates invalid. * * rssi_chain1_sec80 * RSSI of RX PPDU on chain 1 of secondary 80 MHz bandwidth. * Value of 0x80 indicates invalid. * * rssi_chain2_pri20 * RSSI of RX PPDU on chain 2 of primary 20 MHz bandwidth. * Value of 0x80 indicates invalid. * * rssi_chain2_sec20 * RSSI of RX PPDU on chain 2 of secondary 20 MHz bandwidth. * Value of 0x80 indicates invalid. * * rssi_chain2_sec40 * RSSI of RX PPDU on chain 2 of secondary 40 MHz bandwidth. * Value of 0x80 indicates invalid. * * rssi_chain2_sec80 * RSSI of RX PPDU on chain 2 of secondary 80 MHz bandwidth. * Value of 0x80 indicates invalid. * * rssi_chain3_pri20 * RSSI of RX PPDU on chain 3 of primary 20 MHz bandwidth. * Value of 0x80 indicates invalid. * * rssi_chain3_sec20 * RSSI of RX PPDU on chain 3 of secondary 20 MHz bandwidth. * Value of 0x80 indicates invalid. * * rssi_chain3_sec40 * RSSI of RX PPDU on chain 3 of secondary 40 MHz bandwidth. * Value of 0x80 indicates invalid. * * rssi_chain3_sec80 * RSSI of RX PPDU on chain 3 of secondary 80 MHz bandwidth. * Value of 0x80 indicates invalid. * * rssi_comb * The combined RSSI of RX PPDU of all active chains and * bandwidths. Value of 0x80 indicates invalid. * * reserved_4a * Reserved: HW should fill with 0, FW should ignore. * * is_greenfield * Do we really support this? * * reserved_4b * Reserved: HW should fill with 0, FW should ignore. * * l_sig_rate * If l_sig_rate_select is 0: * 0x8: OFDM 48 Mbps * 0x9: OFDM 24 Mbps * 0xA: OFDM 12 Mbps * 0xB: OFDM 6 Mbps * 0xC: OFDM 54 Mbps * 0xD: OFDM 36 Mbps * 0xE: OFDM 18 Mbps * 0xF: OFDM 9 Mbps * If l_sig_rate_select is 1: * 0x8: CCK 11 Mbps long preamble * 0x9: CCK 5.5 Mbps long preamble * 0xA: CCK 2 Mbps long preamble * 0xB: CCK 1 Mbps long preamble * 0xC: CCK 11 Mbps short preamble * 0xD: CCK 5.5 Mbps short preamble * 0xE: CCK 2 Mbps short preamble * * l_sig_rate_select * Legacy signal rate select. If set then l_sig_rate indicates * CCK rates. If clear then l_sig_rate indicates OFDM rates. * * l_sig_length * Length of legacy frame in octets. * * l_sig_parity * Odd parity over l_sig_rate and l_sig_length * * l_sig_tail * Tail bits for Viterbi decoder * * preamble_type * Indicates the type of preamble ahead: * 0x4: Legacy (OFDM/CCK) * 0x8: HT * 0x9: HT with TxBF * 0xC: VHT * 0xD: VHT with TxBF * 0x80 - 0xFF: Reserved for special baseband data types such * as radar and spectral scan. * * ht_sig_vht_sig_a_1 * If preamble_type == 0x8 or 0x9 * HT-SIG (first 24 bits) * If preamble_type == 0xC or 0xD * VHT-SIG A (first 24 bits) * Else * Reserved * * reserved_6 * Reserved: HW should fill with 0, FW should ignore. * * ht_sig_vht_sig_a_2 * If preamble_type == 0x8 or 0x9 * HT-SIG (last 24 bits) * If preamble_type == 0xC or 0xD * VHT-SIG A (last 24 bits) * Else * Reserved * * txbf_h_info * Indicates that the packet data carries H information which * is used for TxBF debug. * * reserved_7 * Reserved: HW should fill with 0, FW should ignore. * * vht_sig_b * WiFi 1.0 and WiFi 2.0 will likely have this field to be all * 0s since the BB does not plan on decoding VHT SIG-B. * * reserved_8 * Reserved: HW should fill with 0, FW should ignore. * * service * Service field from BB for OFDM, HT and VHT packets. CCK * packets will have service field of 0. * * reserved_9 * Reserved: HW should fill with 0, FW should ignore. */ #define RX_PPDU_END_FLAGS_PHY_ERR BIT(0) #define RX_PPDU_END_FLAGS_RX_LOCATION BIT(1) #define RX_PPDU_END_FLAGS_TXBF_H_INFO BIT(2) #define RX_PPDU_END_INFO0_RX_ANTENNA_MASK 0x00ffffff #define RX_PPDU_END_INFO0_RX_ANTENNA_LSB 0 #define RX_PPDU_END_INFO0_FLAGS_TX_HT_VHT_ACK BIT(24) #define RX_PPDU_END_INFO0_BB_CAPTURED_CHANNEL BIT(25) #define RX_PPDU_END_INFO1_PEER_IDX_MASK 0x1ffc #define RX_PPDU_END_INFO1_PEER_IDX_LSB 2 #define RX_PPDU_END_INFO1_BB_DATA BIT(0) #define RX_PPDU_END_INFO1_PEER_IDX_VALID BIT(1) #define RX_PPDU_END_INFO1_PPDU_DONE BIT(15) struct rx_ppdu_end_common { __le32 evm_p0; __le32 evm_p1; __le32 evm_p2; __le32 evm_p3; __le32 evm_p4; __le32 evm_p5; __le32 evm_p6; __le32 evm_p7; __le32 evm_p8; __le32 evm_p9; __le32 evm_p10; __le32 evm_p11; __le32 evm_p12; __le32 evm_p13; __le32 evm_p14; __le32 evm_p15; __le32 tsf_timestamp; __le32 wb_timestamp; } __packed; struct rx_ppdu_end_qca988x { u8 locationing_timestamp; u8 phy_err_code; __le16 flags; /* %RX_PPDU_END_FLAGS_ */ __le32 info0; /* %RX_PPDU_END_INFO0_ */ __le16 bb_length; __le16 info1; /* %RX_PPDU_END_INFO1_ */ } __packed; #define RX_PPDU_END_RTT_CORRELATION_VALUE_MASK 0x00ffffff #define RX_PPDU_END_RTT_CORRELATION_VALUE_LSB 0 #define RX_PPDU_END_RTT_UNUSED_MASK 0x7f000000 #define RX_PPDU_END_RTT_UNUSED_LSB 24 #define RX_PPDU_END_RTT_NORMAL_MODE BIT(31) struct rx_ppdu_end_qca6174 { u8 locationing_timestamp; u8 phy_err_code; __le16 flags; /* %RX_PPDU_END_FLAGS_ */ __le32 info0; /* %RX_PPDU_END_INFO0_ */ __le32 rtt; /* %RX_PPDU_END_RTT_ */ __le16 bb_length; __le16 info1; /* %RX_PPDU_END_INFO1_ */ } __packed; #define RX_PKT_END_INFO0_RX_SUCCESS BIT(0) #define RX_PKT_END_INFO0_ERR_TX_INTERRUPT_RX BIT(3) #define RX_PKT_END_INFO0_ERR_OFDM_POWER_DROP BIT(4) #define RX_PKT_END_INFO0_ERR_OFDM_RESTART BIT(5) #define RX_PKT_END_INFO0_ERR_CCK_POWER_DROP BIT(6) #define RX_PKT_END_INFO0_ERR_CCK_RESTART BIT(7) #define RX_LOCATION_INFO_RTT_CORR_VAL_MASK 0x0001ffff #define RX_LOCATION_INFO_RTT_CORR_VAL_LSB 0 #define RX_LOCATION_INFO_FAC_STATUS_MASK 0x000c0000 #define RX_LOCATION_INFO_FAC_STATUS_LSB 18 #define RX_LOCATION_INFO_PKT_BW_MASK 0x00700000 #define RX_LOCATION_INFO_PKT_BW_LSB 20 #define RX_LOCATION_INFO_RTT_TX_FRAME_PHASE_MASK 0x01800000 #define RX_LOCATION_INFO_RTT_TX_FRAME_PHASE_LSB 23 #define RX_LOCATION_INFO_CIR_STATUS BIT(17) #define RX_LOCATION_INFO_RTT_MAC_PHY_PHASE BIT(25) #define RX_LOCATION_INFO_RTT_TX_DATA_START_X BIT(26) #define RX_LOCATION_INFO_HW_IFFT_MODE BIT(30) #define RX_LOCATION_INFO_RX_LOCATION_VALID BIT(31) struct rx_pkt_end { __le32 info0; /* %RX_PKT_END_INFO0_ */ __le32 phy_timestamp_1; __le32 phy_timestamp_2; } __packed; struct rx_pkt_end_wcn3990 { __le32 info0; /* %RX_PKT_END_INFO0_ */ __le64 phy_timestamp_1; __le64 phy_timestamp_2; } __packed; #define RX_LOCATION_INFO0_RTT_FAC_LEGACY_MASK 0x00003fff #define RX_LOCATION_INFO0_RTT_FAC_LEGACY_LSB 0 #define RX_LOCATION_INFO0_RTT_FAC_VHT_MASK 0x1fff8000 #define RX_LOCATION_INFO0_RTT_FAC_VHT_LSB 15 #define RX_LOCATION_INFO0_RTT_STRONGEST_CHAIN_MASK 0xc0000000 #define RX_LOCATION_INFO0_RTT_STRONGEST_CHAIN_LSB 30 #define RX_LOCATION_INFO0_RTT_FAC_LEGACY_STATUS BIT(14) #define RX_LOCATION_INFO0_RTT_FAC_VHT_STATUS BIT(29) #define RX_LOCATION_INFO1_RTT_PREAMBLE_TYPE_MASK 0x0000000c #define RX_LOCATION_INFO1_RTT_PREAMBLE_TYPE_LSB 2 #define RX_LOCATION_INFO1_PKT_BW_MASK 0x00000030 #define RX_LOCATION_INFO1_PKT_BW_LSB 4 #define RX_LOCATION_INFO1_SKIP_P_SKIP_BTCF_MASK 0x0000ff00 #define RX_LOCATION_INFO1_SKIP_P_SKIP_BTCF_LSB 8 #define RX_LOCATION_INFO1_RTT_MSC_RATE_MASK 0x000f0000 #define RX_LOCATION_INFO1_RTT_MSC_RATE_LSB 16 #define RX_LOCATION_INFO1_RTT_PBD_LEG_BW_MASK 0x00300000 #define RX_LOCATION_INFO1_RTT_PBD_LEG_BW_LSB 20 #define RX_LOCATION_INFO1_TIMING_BACKOFF_MASK 0x07c00000 #define RX_LOCATION_INFO1_TIMING_BACKOFF_LSB 22 #define RX_LOCATION_INFO1_RTT_TX_FRAME_PHASE_MASK 0x18000000 #define RX_LOCATION_INFO1_RTT_TX_FRAME_PHASE_LSB 27 #define RX_LOCATION_INFO1_RTT_CFR_STATUS BIT(0) #define RX_LOCATION_INFO1_RTT_CIR_STATUS BIT(1) #define RX_LOCATION_INFO1_RTT_GI_TYPE BIT(7) #define RX_LOCATION_INFO1_RTT_MAC_PHY_PHASE BIT(29) #define RX_LOCATION_INFO1_RTT_TX_DATA_START_X_PHASE BIT(30) #define RX_LOCATION_INFO1_RX_LOCATION_VALID BIT(31) struct rx_location_info { __le32 rx_location_info0; /* %RX_LOCATION_INFO0_ */ __le32 rx_location_info1; /* %RX_LOCATION_INFO1_ */ } __packed; struct rx_location_info_wcn3990 { __le32 rx_location_info0; /* %RX_LOCATION_INFO0_ */ __le32 rx_location_info1; /* %RX_LOCATION_INFO1_ */ __le32 rx_location_info2; /* %RX_LOCATION_INFO2_ */ } __packed; enum rx_phy_ppdu_end_info0 { RX_PHY_PPDU_END_INFO0_ERR_RADAR = BIT(2), RX_PHY_PPDU_END_INFO0_ERR_RX_ABORT = BIT(3), RX_PHY_PPDU_END_INFO0_ERR_RX_NAP = BIT(4), RX_PHY_PPDU_END_INFO0_ERR_OFDM_TIMING = BIT(5), RX_PHY_PPDU_END_INFO0_ERR_OFDM_PARITY = BIT(6), RX_PHY_PPDU_END_INFO0_ERR_OFDM_RATE = BIT(7), RX_PHY_PPDU_END_INFO0_ERR_OFDM_LENGTH = BIT(8), RX_PHY_PPDU_END_INFO0_ERR_OFDM_RESTART = BIT(9), RX_PHY_PPDU_END_INFO0_ERR_OFDM_SERVICE = BIT(10), RX_PHY_PPDU_END_INFO0_ERR_OFDM_POWER_DROP = BIT(11), RX_PHY_PPDU_END_INFO0_ERR_CCK_BLOCKER = BIT(12), RX_PHY_PPDU_END_INFO0_ERR_CCK_TIMING = BIT(13), RX_PHY_PPDU_END_INFO0_ERR_CCK_HEADER_CRC = BIT(14), RX_PHY_PPDU_END_INFO0_ERR_CCK_RATE = BIT(15), RX_PHY_PPDU_END_INFO0_ERR_CCK_LENGTH = BIT(16), RX_PHY_PPDU_END_INFO0_ERR_CCK_RESTART = BIT(17), RX_PHY_PPDU_END_INFO0_ERR_CCK_SERVICE = BIT(18), RX_PHY_PPDU_END_INFO0_ERR_CCK_POWER_DROP = BIT(19), RX_PHY_PPDU_END_INFO0_ERR_HT_CRC = BIT(20), RX_PHY_PPDU_END_INFO0_ERR_HT_LENGTH = BIT(21), RX_PHY_PPDU_END_INFO0_ERR_HT_RATE = BIT(22), RX_PHY_PPDU_END_INFO0_ERR_HT_ZLF = BIT(23), RX_PHY_PPDU_END_INFO0_ERR_FALSE_RADAR_EXT = BIT(24), RX_PHY_PPDU_END_INFO0_ERR_GREEN_FIELD = BIT(25), RX_PHY_PPDU_END_INFO0_ERR_SPECTRAL_SCAN = BIT(26), RX_PHY_PPDU_END_INFO0_ERR_RX_DYN_BW = BIT(27), RX_PHY_PPDU_END_INFO0_ERR_LEG_HT_MISMATCH = BIT(28), RX_PHY_PPDU_END_INFO0_ERR_VHT_CRC = BIT(29), RX_PHY_PPDU_END_INFO0_ERR_VHT_SIGA = BIT(30), RX_PHY_PPDU_END_INFO0_ERR_VHT_LSIG = BIT(31), }; enum rx_phy_ppdu_end_info1 { RX_PHY_PPDU_END_INFO1_ERR_VHT_NDP = BIT(0), RX_PHY_PPDU_END_INFO1_ERR_VHT_NSYM = BIT(1), RX_PHY_PPDU_END_INFO1_ERR_VHT_RX_EXT_SYM = BIT(2), RX_PHY_PPDU_END_INFO1_ERR_VHT_RX_SKIP_ID0 = BIT(3), RX_PHY_PPDU_END_INFO1_ERR_VHT_RX_SKIP_ID1_62 = BIT(4), RX_PHY_PPDU_END_INFO1_ERR_VHT_RX_SKIP_ID63 = BIT(5), RX_PHY_PPDU_END_INFO1_ERR_OFDM_LDPC_DECODER = BIT(6), RX_PHY_PPDU_END_INFO1_ERR_DEFER_NAP = BIT(7), RX_PHY_PPDU_END_INFO1_ERR_FDOMAIN_TIMEOUT = BIT(8), RX_PHY_PPDU_END_INFO1_ERR_LSIG_REL_CHECK = BIT(9), RX_PHY_PPDU_END_INFO1_ERR_BT_COLLISION = BIT(10), RX_PHY_PPDU_END_INFO1_ERR_MU_FEEDBACK = BIT(11), RX_PHY_PPDU_END_INFO1_ERR_TX_INTERRUPT_RX = BIT(12), RX_PHY_PPDU_END_INFO1_ERR_RX_CBF = BIT(13), }; struct rx_phy_ppdu_end { __le32 info0; /* %RX_PHY_PPDU_END_INFO0_ */ __le32 info1; /* %RX_PHY_PPDU_END_INFO1_ */ } __packed; #define RX_PPDU_END_RX_TIMING_OFFSET_MASK 0x00000fff #define RX_PPDU_END_RX_TIMING_OFFSET_LSB 0 #define RX_PPDU_END_RX_INFO_RX_ANTENNA_MASK 0x00ffffff #define RX_PPDU_END_RX_INFO_RX_ANTENNA_LSB 0 #define RX_PPDU_END_RX_INFO_TX_HT_VHT_ACK BIT(24) #define RX_PPDU_END_RX_INFO_RX_PKT_END_VALID BIT(25) #define RX_PPDU_END_RX_INFO_RX_PHY_PPDU_END_VALID BIT(26) #define RX_PPDU_END_RX_INFO_RX_TIMING_OFFSET_VALID BIT(27) #define RX_PPDU_END_RX_INFO_BB_CAPTURED_CHANNEL BIT(28) #define RX_PPDU_END_RX_INFO_UNSUPPORTED_MU_NC BIT(29) #define RX_PPDU_END_RX_INFO_OTP_TXBF_DISABLE BIT(30) struct rx_ppdu_end_qca99x0 { struct rx_pkt_end rx_pkt_end; __le32 rx_location_info; /* %RX_LOCATION_INFO_ */ struct rx_phy_ppdu_end rx_phy_ppdu_end; __le32 rx_timing_offset; /* %RX_PPDU_END_RX_TIMING_OFFSET_ */ __le32 rx_info; /* %RX_PPDU_END_RX_INFO_ */ __le16 bb_length; __le16 info1; /* %RX_PPDU_END_INFO1_ */ } __packed; struct rx_ppdu_end_qca9984 { struct rx_pkt_end rx_pkt_end; struct rx_location_info rx_location_info; struct rx_phy_ppdu_end rx_phy_ppdu_end; __le32 rx_timing_offset; /* %RX_PPDU_END_RX_TIMING_OFFSET_ */ __le32 rx_info; /* %RX_PPDU_END_RX_INFO_ */ __le16 bb_length; __le16 info1; /* %RX_PPDU_END_INFO1_ */ } __packed; struct rx_ppdu_end_wcn3990 { struct rx_pkt_end_wcn3990 rx_pkt_end; struct rx_location_info_wcn3990 rx_location_info; struct rx_phy_ppdu_end rx_phy_ppdu_end; __le32 rx_timing_offset; __le32 reserved_info_0; __le32 reserved_info_1; __le32 rx_antenna_info; __le32 rx_coex_info; __le32 rx_mpdu_cnt_info; __le64 phy_timestamp_tx; __le32 rx_bb_length; } __packed; struct rx_ppdu_end { struct rx_ppdu_end_common common; union { struct rx_ppdu_end_wcn3990 wcn3990; } __packed; } __packed; struct rx_ppdu_end_v1 { struct rx_ppdu_end_common common; union { struct rx_ppdu_end_qca988x qca988x; struct rx_ppdu_end_qca6174 qca6174; struct rx_ppdu_end_qca99x0 qca99x0; struct rx_ppdu_end_qca9984 qca9984; } __packed; } __packed; /* * evm_p0 * EVM for pilot 0. Contain EVM for streams: 0, 1, 2 and 3. * * evm_p1 * EVM for pilot 1. Contain EVM for streams: 0, 1, 2 and 3. * * evm_p2 * EVM for pilot 2. Contain EVM for streams: 0, 1, 2 and 3. * * evm_p3 * EVM for pilot 3. Contain EVM for streams: 0, 1, 2 and 3. * * evm_p4 * EVM for pilot 4. Contain EVM for streams: 0, 1, 2 and 3. * * evm_p5 * EVM for pilot 5. Contain EVM for streams: 0, 1, 2 and 3. * * evm_p6 * EVM for pilot 6. Contain EVM for streams: 0, 1, 2 and 3. * * evm_p7 * EVM for pilot 7. Contain EVM for streams: 0, 1, 2 and 3. * * evm_p8 * EVM for pilot 8. Contain EVM for streams: 0, 1, 2 and 3. * * evm_p9 * EVM for pilot 9. Contain EVM for streams: 0, 1, 2 and 3. * * evm_p10 * EVM for pilot 10. Contain EVM for streams: 0, 1, 2 and 3. * * evm_p11 * EVM for pilot 11. Contain EVM for streams: 0, 1, 2 and 3. * * evm_p12 * EVM for pilot 12. Contain EVM for streams: 0, 1, 2 and 3. * * evm_p13 * EVM for pilot 13. Contain EVM for streams: 0, 1, 2 and 3. * * evm_p14 * EVM for pilot 14. Contain EVM for streams: 0, 1, 2 and 3. * * evm_p15 * EVM for pilot 15. Contain EVM for streams: 0, 1, 2 and 3. * * tsf_timestamp * Receive TSF timestamp sampled on the rising edge of * rx_clear. For PHY errors this may be the current TSF when * phy_error is asserted if the rx_clear does not assert before * the end of the PHY error. * * wb_timestamp * WLAN/BT timestamp is a 1 usec resolution timestamp which * does not get updated based on receive beacon like TSF. The * same rules for capturing tsf_timestamp are used to capture * the wb_timestamp. * * locationing_timestamp * Timestamp used for locationing. This timestamp is used to * indicate fractions of usec. For example if the MAC clock is * running at 80 MHz, the timestamp will increment every 12.5 * nsec. The value starts at 0 and increments to 79 and * returns to 0 and repeats. This information is valid for * every PPDU. This information can be used in conjunction * with wb_timestamp to capture large delta times. * * phy_err_code * See the 1.10.8.1.2 for the list of the PHY error codes. * * phy_err * Indicates a PHY error was detected for this PPDU. * * rx_location * Indicates that location information was requested. * * txbf_h_info * Indicates that the packet data carries H information which * is used for TxBF debug. * * reserved_18 * Reserved: HW should fill with 0, FW should ignore. * * rx_antenna * Receive antenna value * * tx_ht_vht_ack * Indicates that a HT or VHT Ack/BA frame was transmitted in * response to this receive packet. * * bb_captured_channel * Indicates that the BB has captured a channel dump. FW can * then read the channel dump memory. This may indicate that * the channel was captured either based on PCU setting the * capture_channel bit BB descriptor or FW setting the * capture_channel mode bit. * * reserved_19 * Reserved: HW should fill with 0, FW should ignore. * * bb_length * Indicates the number of bytes of baseband information for * PPDUs where the BB descriptor preamble type is 0x80 to 0xFF * which indicates that this is not a normal PPDU but rather * contains baseband debug information. * * reserved_20 * Reserved: HW should fill with 0, FW should ignore. * * ppdu_done * PPDU end status is only valid when ppdu_done bit is set. * Every time HW sets this bit in memory FW/SW must clear this * bit in memory. FW will initialize all the ppdu_done dword * to 0. */ #define FW_RX_DESC_INFO0_DISCARD BIT(0) #define FW_RX_DESC_INFO0_FORWARD BIT(1) #define FW_RX_DESC_INFO0_INSPECT BIT(5) #define FW_RX_DESC_INFO0_EXT_MASK 0xC0 #define FW_RX_DESC_INFO0_EXT_LSB 6 struct fw_rx_desc_base { u8 info0; } __packed; #define FW_RX_DESC_FLAGS_FIRST_MSDU (1 << 0) #define FW_RX_DESC_FLAGS_LAST_MSDU (1 << 1) #define FW_RX_DESC_C3_FAILED (1 << 2) #define FW_RX_DESC_C4_FAILED (1 << 3) #define FW_RX_DESC_IPV6 (1 << 4) #define FW_RX_DESC_TCP (1 << 5) #define FW_RX_DESC_UDP (1 << 6) struct fw_rx_desc_hl { union { struct { u8 discard:1, forward:1, any_err:1, dup_err:1, reserved:1, inspect:1, extension:2; } bits; u8 info0; } u; u8 version; u8 len; u8 flags; } __packed; #endif /* _RX_DESC_H_ */