diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/rx_desc.h')
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/rx_desc.h | 1212 |
1 files changed, 1212 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath11k/rx_desc.h b/drivers/net/wireless/ath/ath11k/rx_desc.h new file mode 100644 index 000000000000..a5aff801f17f --- /dev/null +++ b/drivers/net/wireless/ath/ath11k/rx_desc.h @@ -0,0 +1,1212 @@ +/* SPDX-License-Identifier: BSD-3-Clause-Clear */ +/* + * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. + */ +#ifndef ATH11K_RX_DESC_H +#define ATH11K_RX_DESC_H + +enum rx_desc_rxpcu_filter { + RX_DESC_RXPCU_FILTER_PASS, + RX_DESC_RXPCU_FILTER_MONITOR_CLIENT, + RX_DESC_RXPCU_FILTER_MONITOR_OTHER, +}; + +/* rxpcu_filter_pass + * This MPDU passed the normal frame filter programming of rxpcu. + * + * rxpcu_filter_monitor_client + * This MPDU did not pass the regular frame filter and would + * have been dropped, were it not for the frame fitting into the + * 'monitor_client' category. + * + * rxpcu_filter_monitor_other + * This MPDU did not pass the regular frame filter and also did + * not pass the rxpcu_monitor_client filter. It would have been + * dropped accept that it did pass the 'monitor_other' category. + */ + +#define RX_DESC_INFO0_RXPCU_MPDU_FITLER GENMASK(1, 0) +#define RX_DESC_INFO0_SW_FRAME_GRP_ID GENMASK(8, 2) + +enum rx_desc_sw_frame_grp_id { + RX_DESC_SW_FRAME_GRP_ID_NDP_FRAME, + RX_DESC_SW_FRAME_GRP_ID_MCAST_DATA, + RX_DESC_SW_FRAME_GRP_ID_UCAST_DATA, + RX_DESC_SW_FRAME_GRP_ID_NULL_DATA, + RX_DESC_SW_FRAME_GRP_ID_MGMT_0000, + RX_DESC_SW_FRAME_GRP_ID_MGMT_0001, + RX_DESC_SW_FRAME_GRP_ID_MGMT_0010, + RX_DESC_SW_FRAME_GRP_ID_MGMT_0011, + RX_DESC_SW_FRAME_GRP_ID_MGMT_0100, + RX_DESC_SW_FRAME_GRP_ID_MGMT_0101, + RX_DESC_SW_FRAME_GRP_ID_MGMT_0110, + RX_DESC_SW_FRAME_GRP_ID_MGMT_0111, + RX_DESC_SW_FRAME_GRP_ID_MGMT_1000, + RX_DESC_SW_FRAME_GRP_ID_MGMT_1001, + RX_DESC_SW_FRAME_GRP_ID_MGMT_1010, + RX_DESC_SW_FRAME_GRP_ID_MGMT_1011, + RX_DESC_SW_FRAME_GRP_ID_MGMT_1100, + RX_DESC_SW_FRAME_GRP_ID_MGMT_1101, + RX_DESC_SW_FRAME_GRP_ID_MGMT_1110, + RX_DESC_SW_FRAME_GRP_ID_MGMT_1111, + RX_DESC_SW_FRAME_GRP_ID_CTRL_0000, + RX_DESC_SW_FRAME_GRP_ID_CTRL_0001, + RX_DESC_SW_FRAME_GRP_ID_CTRL_0010, + RX_DESC_SW_FRAME_GRP_ID_CTRL_0011, + RX_DESC_SW_FRAME_GRP_ID_CTRL_0100, + RX_DESC_SW_FRAME_GRP_ID_CTRL_0101, + RX_DESC_SW_FRAME_GRP_ID_CTRL_0110, + RX_DESC_SW_FRAME_GRP_ID_CTRL_0111, + RX_DESC_SW_FRAME_GRP_ID_CTRL_1000, + RX_DESC_SW_FRAME_GRP_ID_CTRL_1001, + RX_DESC_SW_FRAME_GRP_ID_CTRL_1010, + RX_DESC_SW_FRAME_GRP_ID_CTRL_1011, + RX_DESC_SW_FRAME_GRP_ID_CTRL_1100, + RX_DESC_SW_FRAME_GRP_ID_CTRL_1101, + RX_DESC_SW_FRAME_GRP_ID_CTRL_1110, + RX_DESC_SW_FRAME_GRP_ID_CTRL_1111, + RX_DESC_SW_FRAME_GRP_ID_UNSUPPORTED, + RX_DESC_SW_FRAME_GRP_ID_PHY_ERR, +}; + +enum rx_desc_decap_type { + RX_DESC_DECAP_TYPE_RAW, + RX_DESC_DECAP_TYPE_NATIVE_WIFI, + RX_DESC_DECAP_TYPE_ETHERNET2_DIX, + RX_DESC_DECAP_TYPE_8023, +}; + +enum rx_desc_decrypt_status_code { + RX_DESC_DECRYPT_STATUS_CODE_OK, + RX_DESC_DECRYPT_STATUS_CODE_UNPROTECTED_FRAME, + RX_DESC_DECRYPT_STATUS_CODE_DATA_ERR, + RX_DESC_DECRYPT_STATUS_CODE_KEY_INVALID, + RX_DESC_DECRYPT_STATUS_CODE_PEER_ENTRY_INVALID, + RX_DESC_DECRYPT_STATUS_CODE_OTHER, +}; + +#define RX_ATTENTION_INFO1_FIRST_MPDU BIT(0) +#define RX_ATTENTION_INFO1_RSVD_1A BIT(1) +#define RX_ATTENTION_INFO1_MCAST_BCAST BIT(2) +#define RX_ATTENTION_INFO1_AST_IDX_NOT_FOUND BIT(3) +#define RX_ATTENTION_INFO1_AST_IDX_TIMEDOUT BIT(4) +#define RX_ATTENTION_INFO1_POWER_MGMT BIT(5) +#define RX_ATTENTION_INFO1_NON_QOS BIT(6) +#define RX_ATTENTION_INFO1_NULL_DATA BIT(7) +#define RX_ATTENTION_INFO1_MGMT_TYPE BIT(8) +#define RX_ATTENTION_INFO1_CTRL_TYPE BIT(9) +#define RX_ATTENTION_INFO1_MORE_DATA BIT(10) +#define RX_ATTENTION_INFO1_EOSP BIT(11) +#define RX_ATTENTION_INFO1_A_MSDU_ERROR BIT(12) +#define RX_ATTENTION_INFO1_FRAGMENT BIT(13) +#define RX_ATTENTION_INFO1_ORDER BIT(14) +#define RX_ATTENTION_INFO1_CCE_MATCH BIT(15) +#define RX_ATTENTION_INFO1_OVERFLOW_ERR BIT(16) +#define RX_ATTENTION_INFO1_MSDU_LEN_ERR BIT(17) +#define RX_ATTENTION_INFO1_TCP_UDP_CKSUM_FAIL BIT(18) +#define RX_ATTENTION_INFO1_IP_CKSUM_FAIL BIT(19) +#define RX_ATTENTION_INFO1_SA_IDX_INVALID BIT(20) +#define RX_ATTENTION_INFO1_DA_IDX_INVALID BIT(21) +#define RX_ATTENTION_INFO1_RSVD_1B BIT(22) +#define RX_ATTENTION_INFO1_RX_IN_TX_DECRYPT_BYP BIT(23) +#define RX_ATTENTION_INFO1_ENCRYPT_REQUIRED BIT(24) +#define RX_ATTENTION_INFO1_DIRECTED BIT(25) +#define RX_ATTENTION_INFO1_BUFFER_FRAGMENT BIT(26) +#define RX_ATTENTION_INFO1_MPDU_LEN_ERR BIT(27) +#define RX_ATTENTION_INFO1_TKIP_MIC_ERR BIT(28) +#define RX_ATTENTION_INFO1_DECRYPT_ERR BIT(29) +#define RX_ATTENTION_INFO1_UNDECRYPT_FRAME_ERR BIT(30) +#define RX_ATTENTION_INFO1_FCS_ERR BIT(31) + +#define RX_ATTENTION_INFO2_FLOW_IDX_TIMEOUT BIT(0) +#define RX_ATTENTION_INFO2_FLOW_IDX_INVALID BIT(1) +#define RX_ATTENTION_INFO2_WIFI_PARSER_ERR BIT(2) +#define RX_ATTENTION_INFO2_AMSDU_PARSER_ERR BIT(3) +#define RX_ATTENTION_INFO2_SA_IDX_TIMEOUT BIT(4) +#define RX_ATTENTION_INFO2_DA_IDX_TIMEOUT BIT(5) +#define RX_ATTENTION_INFO2_MSDU_LIMIT_ERR BIT(6) +#define RX_ATTENTION_INFO2_DA_IS_VALID BIT(7) +#define RX_ATTENTION_INFO2_DA_IS_MCBC BIT(8) +#define RX_ATTENTION_INFO2_SA_IS_VALID BIT(9) +#define RX_ATTENTION_INFO2_DCRYPT_STATUS_CODE GENMASK(12, 10) +#define RX_ATTENTION_INFO2_RX_BITMAP_NOT_UPDED BIT(13) +#define RX_ATTENTION_INFO2_MSDU_DONE BIT(31) + +struct rx_attention { + __le16 info0; + __le16 phy_ppdu_id; + __le32 info1; + __le32 info2; +} __packed; + +/* rx_attention + * + * rxpcu_mpdu_filter_in_category + * Field indicates what the reason was that this mpdu frame + * was allowed to come into the receive path by rxpcu. Values + * are defined in enum %RX_DESC_RXPCU_FILTER_*. + * + * sw_frame_group_id + * SW processes frames based on certain classifications. Values + * are defined in enum %RX_DESC_SW_FRAME_GRP_ID_*. + * + * phy_ppdu_id + * A ppdu counter value that PHY increments for every PPDU + * received. The counter value wraps around. + * + * 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. + * + * 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. + * + * ast_index_not_found + * Only valid when first_msdu is set. Indicates no AST matching + * entries within the the max search count. + * + * ast_index_timeout + * Only valid when first_msdu is set. Indicates an unsuccessful + * search in the address search table due to timeout. + * + * 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. + * + * a_msdu_error + * Set if number of MSDUs in A-MSDU is above a threshold or if the + * size of the MSDU is invalid. This receive buffer will contain + * all of the remainder of MSDUs in this MPDU w/o decapsulation. + * + * 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. + * + * cce_match + * 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. + * + * rx_in_tx_decrypt_byp + * Indicates that RX packet is not decrypted as Crypto is busy + * with TX packet processing. + * + * 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 + * + * flow_idx_timeout + * Indicates an unsuccessful flow search due to the expiring of + * the search timer. + * + * flow_idx_invalid + * flow id is not valid. + * + * amsdu_parser_error + * A-MSDU could not be properly de-agregated. + * + * 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. + * + * 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 decasulated but will be DMA'ed in RAW format as a single + * MSDU buffer. + * + * da_is_valid + * Indicates that OLE found a valid DA entry. + * + * da_is_mcbc + * Field Only valid if da_is_valid is set. Indicates the DA address + * was a Multicast or Broadcast address. + * + * sa_is_valid + * Indicates that OLE found a valid SA entry. + * + * decrypt_status_code + * Field provides insight into the decryption performed. Values are + * defined in enum %RX_DESC_DECRYPT_STATUS_CODE*. + * + * rx_bitmap_not_updated + * Frame is received, but RXPCU could not update the receive bitmap + * due to (temporary) fifo constraints. + * + * 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. + */ + +#define RX_MPDU_START_INFO0_NDP_FRAME BIT(9) +#define RX_MPDU_START_INFO0_PHY_ERR BIT(10) +#define RX_MPDU_START_INFO0_PHY_ERR_MPDU_HDR BIT(11) +#define RX_MPDU_START_INFO0_PROTO_VER_ERR BIT(12) +#define RX_MPDU_START_INFO0_AST_LOOKUP_VALID BIT(13) + +#define RX_MPDU_START_INFO1_MPDU_CTRL_VALID BIT(0) +#define RX_MPDU_START_INFO1_MPDU_DUR_VALID BIT(1) +#define RX_MPDU_START_INFO1_MAC_ADDR1_VALID BIT(2) +#define RX_MPDU_START_INFO1_MAC_ADDR2_VALID BIT(3) +#define RX_MPDU_START_INFO1_MAC_ADDR3_VALID BIT(4) +#define RX_MPDU_START_INFO1_MAC_ADDR4_VALID BIT(5) +#define RX_MPDU_START_INFO1_MPDU_SEQ_CTRL_VALID BIT(6) +#define RX_MPDU_START_INFO1_MPDU_QOS_CTRL_VALID BIT(7) +#define RX_MPDU_START_INFO1_MPDU_HT_CTRL_VALID BIT(8) +#define RX_MPDU_START_INFO1_ENCRYPT_INFO_VALID BIT(9) +#define RX_MPDU_START_INFO1_MPDU_FRAG_NUMBER GENMASK(13, 10) +#define RX_MPDU_START_INFO1_MORE_FRAG_FLAG BIT(14) +#define RX_MPDU_START_INFO1_FROM_DS BIT(16) +#define RX_MPDU_START_INFO1_TO_DS BIT(17) +#define RX_MPDU_START_INFO1_ENCRYPTED BIT(18) +#define RX_MPDU_START_INFO1_MPDU_RETRY BIT(19) +#define RX_MPDU_START_INFO1_MPDU_SEQ_NUM GENMASK(31, 20) + +#define RX_MPDU_START_INFO2_EPD_EN BIT(0) +#define RX_MPDU_START_INFO2_ALL_FRAME_ENCPD BIT(1) +#define RX_MPDU_START_INFO2_ENC_TYPE GENMASK(5, 2) +#define RX_MPDU_START_INFO2_VAR_WEP_KEY_WIDTH GENMASK(7, 6) +#define RX_MPDU_START_INFO2_MESH_STA BIT(8) +#define RX_MPDU_START_INFO2_BSSID_HIT BIT(9) +#define RX_MPDU_START_INFO2_BSSID_NUM GENMASK(13, 10) +#define RX_MPDU_START_INFO2_TID GENMASK(17, 14) + +#define RX_MPDU_START_INFO3_REO_DEST_IND GENMASK(4, 0) +#define RX_MPDU_START_INFO3_FLOW_ID_TOEPLITZ BIT(7) +#define RX_MPDU_START_INFO3_PKT_SEL_FP_UCAST_DATA BIT(8) +#define RX_MPDU_START_INFO3_PKT_SEL_FP_MCAST_DATA BIT(9) +#define RX_MPDU_START_INFO3_PKT_SEL_FP_CTRL_BAR BIT(10) +#define RX_MPDU_START_INFO3_RXDMA0_SRC_RING_SEL GENMASK(12, 11) +#define RX_MPDU_START_INFO3_RXDMA0_DST_RING_SEL GENMASK(14, 13) + +#define RX_MPDU_START_INFO4_REO_QUEUE_DESC_HI GENMASK(7, 0) +#define RX_MPDU_START_INFO4_RECV_QUEUE_NUM GENMASK(23, 8) +#define RX_MPDU_START_INFO4_PRE_DELIM_ERR_WARN BIT(24) +#define RX_MPDU_START_INFO4_FIRST_DELIM_ERR BIT(25) + +#define RX_MPDU_START_INFO5_KEY_ID GENMASK(7, 0) +#define RX_MPDU_START_INFO5_NEW_PEER_ENTRY BIT(8) +#define RX_MPDU_START_INFO5_DECRYPT_NEEDED BIT(9) +#define RX_MPDU_START_INFO5_DECAP_TYPE GENMASK(11, 10) +#define RX_MPDU_START_INFO5_VLAN_TAG_C_PADDING BIT(12) +#define RX_MPDU_START_INFO5_VLAN_TAG_S_PADDING BIT(13) +#define RX_MPDU_START_INFO5_STRIP_VLAN_TAG_C BIT(14) +#define RX_MPDU_START_INFO5_STRIP_VLAN_TAG_S BIT(15) +#define RX_MPDU_START_INFO5_PRE_DELIM_COUNT GENMASK(27, 16) +#define RX_MPDU_START_INFO5_AMPDU_FLAG BIT(28) +#define RX_MPDU_START_INFO5_BAR_FRAME BIT(29) + +#define RX_MPDU_START_INFO6_MPDU_LEN GENMASK(13, 0) +#define RX_MPDU_START_INFO6_FIRST_MPDU BIT(14) +#define RX_MPDU_START_INFO6_MCAST_BCAST BIT(15) +#define RX_MPDU_START_INFO6_AST_IDX_NOT_FOUND BIT(16) +#define RX_MPDU_START_INFO6_AST_IDX_TIMEOUT BIT(17) +#define RX_MPDU_START_INFO6_POWER_MGMT BIT(18) +#define RX_MPDU_START_INFO6_NON_QOS BIT(19) +#define RX_MPDU_START_INFO6_NULL_DATA BIT(20) +#define RX_MPDU_START_INFO6_MGMT_TYPE BIT(21) +#define RX_MPDU_START_INFO6_CTRL_TYPE BIT(22) +#define RX_MPDU_START_INFO6_MORE_DATA BIT(23) +#define RX_MPDU_START_INFO6_EOSP BIT(24) +#define RX_MPDU_START_INFO6_FRAGMENT BIT(25) +#define RX_MPDU_START_INFO6_ORDER BIT(26) +#define RX_MPDU_START_INFO6_UAPSD_TRIGGER BIT(27) +#define RX_MPDU_START_INFO6_ENCRYPT_REQUIRED BIT(28) +#define RX_MPDU_START_INFO6_DIRECTED BIT(29) + +#define RX_MPDU_START_RAW_MPDU BIT(0) + +struct rx_mpdu_start { + __le16 info0; + __le16 phy_ppdu_id; + __le16 ast_index; + __le16 sw_peer_id; + __le32 info1; + __le32 info2; + __le32 pn[4]; + __le32 peer_meta_data; + __le32 info3; + __le32 reo_queue_desc_lo; + __le32 info4; + __le32 info5; + __le32 info6; + __le16 frame_ctrl; + __le16 duration; + u8 addr1[ETH_ALEN]; + u8 addr2[ETH_ALEN]; + u8 addr3[ETH_ALEN]; + __le16 seq_ctrl; + u8 addr4[ETH_ALEN]; + __le16 qos_ctrl; + __le32 ht_ctrl; + __le32 raw; +} __packed; + +/* rx_mpdu_start + * + * rxpcu_mpdu_filter_in_category + * Field indicates what the reason was that this mpdu frame + * was allowed to come into the receive path by rxpcu. Values + * are defined in enum %RX_DESC_RXPCU_FILTER_*. + * Note: for ndp frame, if it was expected because the preceding + * NDPA was filter_pass, the setting rxpcu_filter_pass will be + * used. This setting will also be used for every ndp frame in + * case Promiscuous mode is enabled. + * + * sw_frame_group_id + * SW processes frames based on certain classifications. Values + * are defined in enum %RX_DESC_SW_FRAME_GRP_ID_*. + * + * ndp_frame + * Indicates that the received frame was an NDP frame. + * + * phy_err + * Indicates that PHY error was received before MAC received data. + * + * phy_err_during_mpdu_header + * PHY error was received before MAC received the complete MPDU + * header which was needed for proper decoding. + * + * protocol_version_err + * RXPCU detected a version error in the frame control field. + * + * ast_based_lookup_valid + * AST based lookup for this frame has found a valid result. + * + * phy_ppdu_id + * A ppdu counter value that PHY increments for every PPDU + * received. The counter value wraps around. + * + * ast_index + * This field indicates the index of the AST entry corresponding + * to this MPDU. It is provided by the GSE module instantiated in + * RXPCU. A value of 0xFFFF indicates an invalid AST index. + * + * sw_peer_id + * This field indicates a unique peer identifier. It is set equal + * to field 'sw_peer_id' from the AST entry. + * + * mpdu_frame_control_valid, mpdu_duration_valid, mpdu_qos_control_valid, + * mpdu_ht_control_valid, frame_encryption_info_valid + * Indicates that each fields have valid entries. + * + * mac_addr_adx_valid + * Corresponding mac_addr_adx_{lo/hi} has valid entries. + * + * from_ds, to_ds + * Valid only when mpdu_frame_control_valid is set. Indicates that + * frame is received from DS and sent to DS. + * + * encrypted + * Protected bit from the frame control. + * + * mpdu_retry + * Retry bit from frame control. Only valid when first_msdu is set. + * + * mpdu_sequence_number + * The sequence number from the 802.11 header. + * + * epd_en + * If set, use EPD instead of LPD. + * + * all_frames_shall_be_encrypted + * If set, all frames (data only?) shall be encrypted. If not, + * RX CRYPTO shall set an error flag. + * + * encrypt_type + * Values are defined in enum %HAL_ENCRYPT_TYPE_. + * + * mesh_sta + * Indicates a Mesh (11s) STA. + * + * bssid_hit + * BSSID of the incoming frame matched one of the 8 BSSID + * register values. + * + * bssid_number + * This number indicates which one out of the 8 BSSID register + * values matched the incoming frame. + * + * tid + * TID field in the QoS control field + * + * pn + * The PN number. + * + * peer_meta_data + * Meta data that SW has programmed in the Peer table entry + * of the transmitting STA. + * + * rx_reo_queue_desc_addr_lo + * Address (lower 32 bits) of the REO queue descriptor. + * + * rx_reo_queue_desc_addr_hi + * Address (upper 8 bits) of the REO queue descriptor. + * + * receive_queue_number + * Indicates the MPDU queue ID to which this MPDU link + * descriptor belongs. + * + * pre_delim_err_warning + * Indicates that a delimiter FCS error was found in between the + * previous MPDU and this MPDU. Note that this is just a warning, + * and does not mean that this MPDU is corrupted in any way. If + * it is, there will be other errors indicated such as FCS or + * decrypt errors. + * + * first_delim_err + * Indicates that the first delimiter had a FCS failure. + * + * key_id + * The key ID octet from the IV. + * + * new_peer_entry + * Set if new RX_PEER_ENTRY TLV follows. If clear, RX_PEER_ENTRY + * doesn't follow so RX DECRYPTION module either uses old peer + * entry or not decrypt. + * + * decrypt_needed + * When RXPCU sets bit 'ast_index_not_found or ast_index_timeout', + * RXPCU will also ensure that this bit is NOT set. CRYPTO for that + * reason only needs to evaluate this bit and non of the other ones + * + * decap_type + * Used by the OLE during decapsulation. Values are defined in + * enum %MPDU_START_DECAP_TYPE_*. + * + * rx_insert_vlan_c_tag_padding + * rx_insert_vlan_s_tag_padding + * Insert 4 byte of all zeros as VLAN tag or double VLAN tag if + * the rx payload does not have VLAN. + * + * strip_vlan_c_tag_decap + * strip_vlan_s_tag_decap + * Strip VLAN or double VLAN during decapsulation. + * + * pre_delim_count + * The number of delimiters before this MPDU. Note that this + * number is cleared at PPDU start. If this MPDU is the first + * received MPDU in the PPDU and this MPDU gets filtered-in, + * this field will indicate the number of delimiters located + * after the last MPDU in the previous PPDU. + * + * If this MPDU is located after the first received MPDU in + * an PPDU, this field will indicate the number of delimiters + * located between the previous MPDU and this MPDU. + * + * ampdu_flag + * Received frame was part of an A-MPDU. + * + * bar_frame + * Received frame is a BAR frame + * + * mpdu_length + * MPDU length before decapsulation. + * + * first_mpdu..directed + * See definition in RX attention descriptor + * + */ + +enum rx_msdu_start_pkt_type { + RX_MSDU_START_PKT_TYPE_11A, + RX_MSDU_START_PKT_TYPE_11B, + RX_MSDU_START_PKT_TYPE_11N, + RX_MSDU_START_PKT_TYPE_11AC, + RX_MSDU_START_PKT_TYPE_11AX, +}; + +enum rx_msdu_start_sgi { + RX_MSDU_START_SGI_0_8_US, + RX_MSDU_START_SGI_0_4_US, + RX_MSDU_START_SGI_1_6_US, + RX_MSDU_START_SGI_3_2_US, +}; + +enum rx_msdu_start_recv_bw { + RX_MSDU_START_RECV_BW_20MHZ, + RX_MSDU_START_RECV_BW_40MHZ, + RX_MSDU_START_RECV_BW_80MHZ, + RX_MSDU_START_RECV_BW_160MHZ, +}; + +enum rx_msdu_start_reception_type { + RX_MSDU_START_RECEPTION_TYPE_SU, + RX_MSDU_START_RECEPTION_TYPE_DL_MU_MIMO, + RX_MSDU_START_RECEPTION_TYPE_DL_MU_OFDMA, + RX_MSDU_START_RECEPTION_TYPE_DL_MU_OFDMA_MIMO, + RX_MSDU_START_RECEPTION_TYPE_UL_MU_MIMO, + RX_MSDU_START_RECEPTION_TYPE_UL_MU_OFDMA, + RX_MSDU_START_RECEPTION_TYPE_UL_MU_OFDMA_MIMO, +}; + +#define RX_MSDU_START_INFO1_MSDU_LENGTH GENMASK(13, 0) +#define RX_MSDU_START_INFO1_RSVD_1A BIT(14) +#define RX_MSDU_START_INFO1_IPSEC_ESP BIT(15) +#define RX_MSDU_START_INFO1_L3_OFFSET GENMASK(22, 16) +#define RX_MSDU_START_INFO1_IPSEC_AH BIT(23) +#define RX_MSDU_START_INFO1_L4_OFFSET GENMASK(31, 24) + +#define RX_MSDU_START_INFO2_MSDU_NUMBER GENMASK(7, 0) +#define RX_MSDU_START_INFO2_DECAP_TYPE GENMASK(9, 8) +#define RX_MSDU_START_INFO2_IPV4 BIT(10) +#define RX_MSDU_START_INFO2_IPV6 BIT(11) +#define RX_MSDU_START_INFO2_TCP BIT(12) +#define RX_MSDU_START_INFO2_UDP BIT(13) +#define RX_MSDU_START_INFO2_IP_FRAG BIT(14) +#define RX_MSDU_START_INFO2_TCP_ONLY_ACK BIT(15) +#define RX_MSDU_START_INFO2_DA_IS_BCAST_MCAST BIT(16) +#define RX_MSDU_START_INFO2_SELECTED_TOEPLITZ_HASH GENMASK(18, 17) +#define RX_MSDU_START_INFO2_IP_FIXED_HDR_VALID BIT(19) +#define RX_MSDU_START_INFO2_IP_EXTN_HDR_VALID BIT(20) +#define RX_MSDU_START_INFO2_IP_TCP_UDP_HDR_VALID BIT(21) +#define RX_MSDU_START_INFO2_MESH_CTRL_PRESENT BIT(22) +#define RX_MSDU_START_INFO2_LDPC BIT(23) +#define RX_MSDU_START_INFO2_IP4_IP6_NXT_HDR GENMASK(31, 24) +#define RX_MSDU_START_INFO2_DECAP_FORMAT GENMASK(9, 8) + +#define RX_MSDU_START_INFO3_USER_RSSI GENMASK(7, 0) +#define RX_MSDU_START_INFO3_PKT_TYPE GENMASK(11, 8) +#define RX_MSDU_START_INFO3_STBC BIT(12) +#define RX_MSDU_START_INFO3_SGI GENMASK(14, 13) +#define RX_MSDU_START_INFO3_RATE_MCS GENMASK(18, 15) +#define RX_MSDU_START_INFO3_RECV_BW GENMASK(20, 19) +#define RX_MSDU_START_INFO3_RECEPTION_TYPE GENMASK(23, 21) +#define RX_MSDU_START_INFO3_MIMO_SS_BITMAP GENMASK(31, 24) + +struct rx_msdu_start { + __le16 info0; + __le16 phy_ppdu_id; + __le32 info1; + __le32 info2; + __le32 toeplitz_hash; + __le32 flow_id_toeplitz; + __le32 info3; + __le32 ppdu_start_timestamp; + __le32 phy_meta_data; +} __packed; + +/* rx_msdu_start + * + * rxpcu_mpdu_filter_in_category + * Field indicates what the reason was that this mpdu frame + * was allowed to come into the receive path by rxpcu. Values + * are defined in enum %RX_DESC_RXPCU_FILTER_*. + * + * sw_frame_group_id + * SW processes frames based on certain classifications. Values + * are defined in enum %RX_DESC_SW_FRAME_GRP_ID_*. + * + * phy_ppdu_id + * A ppdu counter value that PHY increments for every PPDU + * received. The counter value wraps around. + * + * msdu_length + * MSDU length in bytes after decapsulation. + * + * ipsec_esp + * Set if IPv4/v6 packet is using IPsec ESP. + * + * l3_offset + * Depending upon mode bit, this field either indicates the + * L3 offset in bytes from the start of the RX_HEADER or the IP + * offset in bytes from the start of the packet after + * decapsulation. The latter is only valid if ipv4_proto or + * ipv6_proto is set. + * + * ipsec_ah + * Set if IPv4/v6 packet is using IPsec AH + * + * l4_offset + * Depending upon mode bit, this field either indicates the + * L4 offset nin bytes from the start of RX_HEADER (only valid + * if either ipv4_proto or ipv6_proto is set to 1) or 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_proto or udp_proto is set). The value 0 indicates that + * the offset is longer than 127 bytes. + * + * 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_type + * Indicates the format after decapsulation. Values are defined in + * enum %MPDU_START_DECAP_TYPE_*. + * + * 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. + * + * da_is_bcast_mcast + * The destination address is broadcast or multicast. + * + * toeplitz_hash + * Actual chosen Hash. + * 0 - Toeplitz hash of 2-tuple (IP source address, IP + * destination address) + * 1 - Toeplitz hash of 4-tuple (IP source address, + * IP destination address, L4 (TCP/UDP) source port, + * L4 (TCP/UDP) destination port) + * 2 - Toeplitz of flow_id + * 3 - Zero is used + * + * ip_fixed_header_valid + * Fixed 20-byte IPv4 header or 40-byte IPv6 header parsed + * fully within first 256 bytes of the packet + * + * ip_extn_header_valid + * IPv6/IPv6 header, including IPv4 options and + * recognizable extension headers parsed fully within first 256 + * bytes of the packet + * + * tcp_udp_header_valid + * Fixed 20-byte TCP (excluding TCP options) or 8-byte UDP + * header parsed fully within first 256 bytes of the packet + * + * mesh_control_present + * When set, this MSDU includes the 'Mesh Control' field + * + * ldpc + * + * ip4_protocol_ip6_next_header + * For IPv4, this is the 8 bit protocol field set). For IPv6 this + * is the 8 bit next_header field. + * + * toeplitz_hash_2_or_4 + * Controlled by RxOLE register - If register bit set to 0, + * Toeplitz hash is computed over 2-tuple IPv4 or IPv6 src/dest + * addresses; otherwise, toeplitz hash is computed over 4-tuple + * IPv4 or IPv6 src/dest addresses and src/dest ports. + * + * flow_id_toeplitz + * Toeplitz hash of 5-tuple + * {IP source address, IP destination address, IP source port, IP + * destination port, L4 protocol} in case of non-IPSec. + * + * In case of IPSec - Toeplitz hash of 4-tuple + * {IP source address, IP destination address, SPI, L4 protocol} + * + * The relevant Toeplitz key registers are provided in RxOLE's + * instance of common parser module. These registers are separate + * from the Toeplitz keys used by ASE/FSE modules inside RxOLE. + * The actual value will be passed on from common parser module + * to RxOLE in one of the WHO_* TLVs. + * + * user_rssi + * RSSI for this user + * + * pkt_type + * Values are defined in enum %RX_MSDU_START_PKT_TYPE_*. + * + * stbc + * When set, use STBC transmission rates. + * + * sgi + * Field only valid when pkt type is HT, VHT or HE. Values are + * defined in enum %RX_MSDU_START_SGI_*. + * + * rate_mcs + * MCS Rate used. + * + * receive_bandwidth + * Full receive Bandwidth. Values are defined in enum + * %RX_MSDU_START_RECV_*. + * + * reception_type + * Indicates what type of reception this is and defined in enum + * %RX_MSDU_START_RECEPTION_TYPE_*. + * + * mimo_ss_bitmap + * Field only valid when + * Reception_type is RX_MSDU_START_RECEPTION_TYPE_DL_MU_MIMO or + * RX_MSDU_START_RECEPTION_TYPE_DL_MU_OFDMA_MIMO. + * + * Bitmap, with each bit indicating if the related spatial + * stream is used for this STA + * + * LSB related to SS 0 + * + * 0 - spatial stream not used for this reception + * 1 - spatial stream used for this reception + * + * ppdu_start_timestamp + * Timestamp that indicates when the PPDU that contained this MPDU + * started on the medium. + * + * phy_meta_data + * SW programmed Meta data provided by the PHY. Can be used for SW + * to indicate the channel the device is on. + */ + +#define RX_MSDU_END_INFO0_RXPCU_MPDU_FITLER GENMASK(1, 0) +#define RX_MSDU_END_INFO0_SW_FRAME_GRP_ID GENMASK(8, 2) + +#define RX_MSDU_END_INFO1_KEY_ID GENMASK(7, 0) +#define RX_MSDU_END_INFO1_CCE_SUPER_RULE GENMASK(13, 8) +#define RX_MSDU_END_INFO1_CCND_TRUNCATE BIT(14) +#define RX_MSDU_END_INFO1_CCND_CCE_DIS BIT(15) +#define RX_MSDU_END_INFO1_EXT_WAPI_PN GENMASK(31, 16) + +#define RX_MSDU_END_INFO2_REPORTED_MPDU_LEN GENMASK(13, 0) +#define RX_MSDU_END_INFO2_FIRST_MSDU BIT(14) +#define RX_MSDU_END_INFO2_LAST_MSDU BIT(15) +#define RX_MSDU_END_INFO2_SA_IDX_TIMEOUT BIT(16) +#define RX_MSDU_END_INFO2_DA_IDX_TIMEOUT BIT(17) +#define RX_MSDU_END_INFO2_MSDU_LIMIT_ERR BIT(18) +#define RX_MSDU_END_INFO2_FLOW_IDX_TIMEOUT BIT(19) +#define RX_MSDU_END_INFO2_FLOW_IDX_INVALID BIT(20) +#define RX_MSDU_END_INFO2_WIFI_PARSER_ERR BIT(21) +#define RX_MSDU_END_INFO2_AMSDU_PARSET_ERR BIT(22) +#define RX_MSDU_END_INFO2_SA_IS_VALID BIT(23) +#define RX_MSDU_END_INFO2_DA_IS_VALID BIT(24) +#define RX_MSDU_END_INFO2_DA_IS_MCBC BIT(25) +#define RX_MSDU_END_INFO2_L3_HDR_PADDING GENMASK(27, 26) + +#define RX_MSDU_END_INFO3_TCP_FLAG GENMASK(8, 0) +#define RX_MSDU_END_INFO3_LRO_ELIGIBLE BIT(9) + +#define RX_MSDU_END_INFO4_DA_OFFSET GENMASK(5, 0) +#define RX_MSDU_END_INFO4_SA_OFFSET GENMASK(11, 6) +#define RX_MSDU_END_INFO4_DA_OFFSET_VALID BIT(12) +#define RX_MSDU_END_INFO4_SA_OFFSET_VALID BIT(13) +#define RX_MSDU_END_INFO4_L3_TYPE GENMASK(31, 16) + +#define RX_MSDU_END_INFO5_MSDU_DROP BIT(0) +#define RX_MSDU_END_INFO5_REO_DEST_IND GENMASK(5, 1) +#define RX_MSDU_END_INFO5_FLOW_IDX GENMASK(25, 6) + +struct rx_msdu_end { + __le16 info0; + __le16 phy_ppdu_id; + __le16 ip_hdr_cksum; + __le16 tcp_udp_cksum; + __le32 info1; + __le32 ext_wapi_pn[2]; + __le32 info2; + __le32 ipv6_options_crc; + __le32 tcp_seq_num; + __le32 tcp_ack_num; + __le16 info3; + __le16 window_size; + __le32 info4; + __le32 rule_indication[2]; + __le16 sa_idx; + __le16 da_idx; + __le32 info5; + __le32 fse_metadata; + __le16 cce_metadata; + __le16 sa_sw_peer_id; +} __packed; + +/* rx_msdu_end + * + * rxpcu_mpdu_filter_in_category + * Field indicates what the reason was that this mpdu frame + * was allowed to come into the receive path by rxpcu. Values + * are defined in enum %RX_DESC_RXPCU_FILTER_*. + * + * sw_frame_group_id + * SW processes frames based on certain classifications. Values + * are defined in enum %RX_DESC_SW_FRAME_GRP_ID_*. + * + * phy_ppdu_id + * A ppdu counter value that PHY increments for every PPDU + * received. The counter value wraps around. + * + * ip_hdr_cksum + * 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 + * The key ID octet from the IV. Only valid when first_msdu is set. + * + * cce_super_rule + * Indicates the super filter rule. + * + * cce_classify_not_done_truncate + * Classification failed due to truncated frame. + * + * cce_classify_not_done_cce_dis + * Classification failed due to CCE global disable + * + * ext_wapi_pn* + * Extension PN (packet number) which is only used by WAPI. + * + * 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. + * + * sa_idx_timeout + * Indicates an unsuccessful MAC source address search due to the + * expiring of the search timer. + * + * da_idx_timeout + * Indicates an unsuccessful MAC destination address search due to + * the expiring of the search timer. + * + * 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 DMA'ed in RAW format as a single MSDU. + * + * flow_idx_timeout + * Indicates an unsuccessful flow search due to the expiring of + * the search timer. + * + * flow_idx_invalid + * flow id is not valid. + * + * amsdu_parser_error + * A-MSDU could not be properly de-agregated. + * + * sa_is_valid + * Indicates that OLE found a valid SA entry. + * + * da_is_valid + * Indicates that OLE found a valid DA entry. + * + * da_is_mcbc + * Field Only valid if da_is_valid is set. Indicates the DA address + * was a Multicast of Broadcast address. + * + * l3_header_padding + * Number of bytes padded to make sure that the L3 header will + * always start of a Dword boundary. + * + * ipv6_options_crc + * 32 bit CRC computed out of IP v6 extension headers. + * + * tcp_seq_number + * TCP sequence number. + * + * tcp_ack_number + * TCP acknowledge number. + * + * tcp_flag + * TCP flags {NS, CWR, ECE, URG, ACK, PSH, RST, SYN, FIN}. + * + * lro_eligible + * Computed out of TCP and IP fields to indicate that this + * MSDU is eligible for LRO. + * + * window_size + * TCP receive window size. + * + * da_offset + * Offset into MSDU buffer for DA. + * + * sa_offset + * Offset into MSDU buffer for SA. + * + * da_offset_valid + * da_offset field is valid. This will be set to 0 in case + * of a dynamic A-MSDU when DA is compressed. + * + * sa_offset_valid + * sa_offset field is valid. This will be set to 0 in case + * of a dynamic A-MSDU when SA is compressed. + * + * l3_type + * The 16-bit type value indicating the type of L3 later + * extracted from LLC/SNAP, set to zero if SNAP is not + * available. + * + * rule_indication + * Bitmap indicating which of rules have matched. + * + * sa_idx + * The offset in the address table which matches MAC source address + * + * da_idx + * The offset in the address table which matches MAC destination + * address. + * + * msdu_drop + * REO shall drop this MSDU and not forward it to any other ring. + * + * reo_destination_indication + * The id of the reo exit ring where the msdu frame shall push + * after (MPDU level) reordering has finished. Values are defined + * in enum %HAL_RX_MSDU_DESC_REO_DEST_IND_. + * + * flow_idx + * Flow table index. + * + * fse_metadata + * FSE related meta data. + * + * cce_metadata + * CCE related meta data. + * + * sa_sw_peer_id + * sw_peer_id from the address search entry corresponding to the + * source address of the MSDU. + */ + +enum rx_mpdu_end_rxdma_dest_ring { + RX_MPDU_END_RXDMA_DEST_RING_RELEASE, + RX_MPDU_END_RXDMA_DEST_RING_FW, + RX_MPDU_END_RXDMA_DEST_RING_SW, + RX_MPDU_END_RXDMA_DEST_RING_REO, +}; + +#define RX_MPDU_END_INFO1_UNSUP_KTYPE_SHORT_FRAME BIT(11) +#define RX_MPDU_END_INFO1_RX_IN_TX_DECRYPT_BYT BIT(12) +#define RX_MPDU_END_INFO1_OVERFLOW_ERR BIT(13) +#define RX_MPDU_END_INFO1_MPDU_LEN_ERR BIT(14) +#define RX_MPDU_END_INFO1_TKIP_MIC_ERR BIT(15) +#define RX_MPDU_END_INFO1_DECRYPT_ERR BIT(16) +#define RX_MPDU_END_INFO1_UNENCRYPTED_FRAME_ERR BIT(17) +#define RX_MPDU_END_INFO1_PN_FIELDS_VALID BIT(18) +#define RX_MPDU_END_INFO1_FCS_ERR BIT(19) +#define RX_MPDU_END_INFO1_MSDU_LEN_ERR BIT(20) +#define RX_MPDU_END_INFO1_RXDMA0_DEST_RING GENMASK(22, 21) +#define RX_MPDU_END_INFO1_RXDMA1_DEST_RING GENMASK(24, 23) +#define RX_MPDU_END_INFO1_DECRYPT_STATUS_CODE GENMASK(27, 25) +#define RX_MPDU_END_INFO1_RX_BITMAP_NOT_UPD BIT(28) + +struct rx_mpdu_end { + __le16 info0; + __le16 phy_ppdu_id; + __le32 info1; +} __packed; + +/* rx_mpdu_end + * + * rxpcu_mpdu_filter_in_category + * Field indicates what the reason was that this mpdu frame + * was allowed to come into the receive path by rxpcu. Values + * are defined in enum %RX_DESC_RXPCU_FILTER_*. + * + * sw_frame_group_id + * SW processes frames based on certain classifications. Values + * are defined in enum %RX_DESC_SW_FRAME_GRP_ID_*. + * + * phy_ppdu_id + * A ppdu counter value that PHY increments for every PPDU + * received. The counter value wraps around. + * + * unsup_ktype_short_frame + * This bit will be '1' when WEP or TKIP or WAPI key type is + * received for 11ah short frame. Crypto will bypass the received + * packet without decryption to RxOLE after setting this bit. + * + * rx_in_tx_decrypt_byp + * Indicates that RX packet is not decrypted as Crypto is + * busy with TX packet processing. + * + * overflow_err + * RXPCU Receive FIFO ran out of space to receive the full MPDU. + * Therefore this MPDU is terminated early and is thus corrupted. + * + * This MPDU will not be ACKed. + * + * RXPCU might still be able to correctly receive the following + * MPDUs in the PPDU if enough fifo space became available in time. + * + * mpdu_length_err + * Set by RXPCU if the expected MPDU length does not correspond + * with the actually received number of bytes in the MPDU. + * + * tkip_mic_err + * Set by Rx crypto when crypto detected a TKIP MIC error for + * this MPDU. + * + * decrypt_err + * Set by RX CRYPTO when CRYPTO detected a decrypt error for this + * MPDU or CRYPTO received an encrypted frame, but did not get a + * valid corresponding key id in the peer entry. + * + * unencrypted_frame_err + * Set by RX CRYPTO when CRYPTO detected an unencrypted frame while + * in the peer entry field 'All_frames_shall_be_encrypted' is set. + * + * pn_fields_contain_valid_info + * Set by RX CRYPTO to indicate that there is a valid PN field + * present in this MPDU. + * + * fcs_err + * Set by RXPCU when there is an FCS error detected for this MPDU. + * + * msdu_length_err + * Set by RXOLE when there is an msdu length error detected + * in at least 1 of the MSDUs embedded within the MPDU. + * + * rxdma0_destination_ring + * rxdma1_destination_ring + * The ring to which RXDMA0/1 shall push the frame, assuming + * no MPDU level errors are detected. In case of MPDU level + * errors, RXDMA0/1 might change the RXDMA0/1 destination. Values + * are defined in %enum RX_MPDU_END_RXDMA_DEST_RING_*. + * + * decrypt_status_code + * Field provides insight into the decryption performed. Values + * are defined in enum %RX_DESC_DECRYPT_STATUS_CODE_*. + * + * rx_bitmap_not_updated + * Frame is received, but RXPCU could not update the receive bitmap + * due to (temporary) fifo constraints. + */ + +/* Padding bytes to avoid TLV's spanning across 128 byte boundary */ +#define HAL_RX_DESC_PADDING0_BYTES 4 +#define HAL_RX_DESC_PADDING1_BYTES 16 + +#define HAL_RX_DESC_HDR_STATUS_LEN 120 + +struct hal_rx_desc { + __le32 msdu_end_tag; + struct rx_msdu_end msdu_end; + __le32 rx_attn_tag; + struct rx_attention attention; + __le32 msdu_start_tag; + struct rx_msdu_start msdu_start; + u8 rx_padding0[HAL_RX_DESC_PADDING0_BYTES]; + __le32 mpdu_start_tag; + struct rx_mpdu_start mpdu_start; + __le32 mpdu_end_tag; + struct rx_mpdu_end mpdu_end; + u8 rx_padding1[HAL_RX_DESC_PADDING1_BYTES]; + __le32 hdr_status_tag; + __le32 phy_ppdu_id; + u8 hdr_status[HAL_RX_DESC_HDR_STATUS_LEN]; + u8 msdu_payload[0]; +} __packed; + +#endif /* ATH11K_RX_DESC_H */ |