diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath12k/rx_desc.h')
| -rw-r--r-- | drivers/net/wireless/ath/ath12k/rx_desc.h | 1441 |
1 files changed, 1441 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath12k/rx_desc.h b/drivers/net/wireless/ath/ath12k/rx_desc.h new file mode 100644 index 000000000000..5feaff6450ad --- /dev/null +++ b/drivers/net/wireless/ath/ath12k/rx_desc.h @@ -0,0 +1,1441 @@ +/* SPDX-License-Identifier: BSD-3-Clause-Clear */ +/* + * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved. + * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved. + */ +#ifndef ATH12K_RX_DESC_H +#define ATH12K_RX_DESC_H + +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_MPDU_START_INFO0_REO_DEST_IND GENMASK(4, 0) +#define RX_MPDU_START_INFO0_LMAC_PEER_ID_MSB GENMASK(6, 5) +#define RX_MPDU_START_INFO0_FLOW_ID_TOEPLITZ BIT(7) +#define RX_MPDU_START_INFO0_PKT_SEL_FP_UCAST_DATA BIT(8) +#define RX_MPDU_START_INFO0_PKT_SEL_FP_MCAST_DATA BIT(9) +#define RX_MPDU_START_INFO0_PKT_SEL_FP_CTRL_BAR BIT(10) +#define RX_MPDU_START_INFO0_RXDMA0_SRC_RING_SEL GENMASK(13, 11) +#define RX_MPDU_START_INFO0_RXDMA0_DST_RING_SEL GENMASK(16, 14) +#define RX_MPDU_START_INFO0_MCAST_ECHO_DROP_EN BIT(17) +#define RX_MPDU_START_INFO0_WDS_LEARN_DETECT_EN BIT(18) +#define RX_MPDU_START_INFO0_INTRA_BSS_CHECK_EN BIT(19) +#define RX_MPDU_START_INFO0_USE_PPE BIT(20) +#define RX_MPDU_START_INFO0_PPE_ROUTING_EN BIT(21) + +#define RX_MPDU_START_INFO1_REO_QUEUE_DESC_HI GENMASK(7, 0) +#define RX_MPDU_START_INFO1_RECV_QUEUE_NUM GENMASK(23, 8) +#define RX_MPDU_START_INFO1_PRE_DELIM_ERR_WARN BIT(24) +#define RX_MPDU_START_INFO1_FIRST_DELIM_ERR BIT(25) + +#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 GENMASK(9, 8) +#define RX_MPDU_START_INFO2_BSSID_HIT BIT(10) +#define RX_MPDU_START_INFO2_BSSID_NUM GENMASK(14, 11) +#define RX_MPDU_START_INFO2_TID GENMASK(18, 15) + +#define RX_MPDU_START_INFO3_RXPCU_MPDU_FLTR GENMASK(1, 0) +#define RX_MPDU_START_INFO3_SW_FRAME_GRP_ID GENMASK(8, 2) +#define RX_MPDU_START_INFO3_NDP_FRAME BIT(9) +#define RX_MPDU_START_INFO3_PHY_ERR BIT(10) +#define RX_MPDU_START_INFO3_PHY_ERR_MPDU_HDR BIT(11) +#define RX_MPDU_START_INFO3_PROTO_VER_ERR BIT(12) +#define RX_MPDU_START_INFO3_AST_LOOKUP_VALID BIT(13) +#define RX_MPDU_START_INFO3_RANGING BIT(14) + +#define RX_MPDU_START_INFO4_MPDU_FCTRL_VALID BIT(0) +#define RX_MPDU_START_INFO4_MPDU_DUR_VALID BIT(1) +#define RX_MPDU_START_INFO4_MAC_ADDR1_VALID BIT(2) +#define RX_MPDU_START_INFO4_MAC_ADDR2_VALID BIT(3) +#define RX_MPDU_START_INFO4_MAC_ADDR3_VALID BIT(4) +#define RX_MPDU_START_INFO4_MAC_ADDR4_VALID BIT(5) +#define RX_MPDU_START_INFO4_MPDU_SEQ_CTRL_VALID BIT(6) +#define RX_MPDU_START_INFO4_MPDU_QOS_CTRL_VALID BIT(7) +#define RX_MPDU_START_INFO4_MPDU_HT_CTRL_VALID BIT(8) +#define RX_MPDU_START_INFO4_ENCRYPT_INFO_VALID BIT(9) +#define RX_MPDU_START_INFO4_MPDU_FRAG_NUMBER GENMASK(13, 10) +#define RX_MPDU_START_INFO4_MORE_FRAG_FLAG BIT(14) +#define RX_MPDU_START_INFO4_FROM_DS BIT(16) +#define RX_MPDU_START_INFO4_TO_DS BIT(17) +#define RX_MPDU_START_INFO4_ENCRYPTED BIT(18) +#define RX_MPDU_START_INFO4_MPDU_RETRY BIT(19) +#define RX_MPDU_START_INFO4_MPDU_SEQ_NUM GENMASK(31, 20) + +#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_INFO5_RAW_MPDU BIT(30) + +#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_INFO6_AMSDU_PRESENT BIT(30) + +#define RX_MPDU_START_INFO7_VDEV_ID GENMASK(7, 0) +#define RX_MPDU_START_INFO7_SERVICE_CODE GENMASK(16, 8) +#define RX_MPDU_START_INFO7_PRIORITY_VALID BIT(17) +#define RX_MPDU_START_INFO7_SRC_INFO GENMASK(29, 18) + +#define RX_MPDU_START_INFO8_AUTH_TO_SEND_WDS BIT(0) + +struct rx_mpdu_start_qcn9274 { + __le32 info0; + __le32 reo_queue_desc_lo; + __le32 info1; + __le32 pn[4]; + __le32 info2; + __le32 peer_meta_data; + __le16 info3; + __le16 phy_ppdu_id; + __le16 ast_index; + __le16 sw_peer_id; + __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 info7; + u8 multi_link_addr1[ETH_ALEN]; + u8 multi_link_addr2[ETH_ALEN]; + __le32 info8; + __le32 res0; + __le32 res1; +} __packed; + +/* rx_mpdu_start + * + * 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_. + * + * lmac_peer_id_msb + * + * If use_flow_id_toeplitz_clfy is set and lmac_peer_id_'sb + * is 2'b00, Rx OLE uses a REO destination indicati'n of {1'b1, + * hash[3:0]} using the chosen Toeplitz hash from Common Parser + * if flow search fails. + * If use_flow_id_toeplitz_clfy is set and lmac_peer_id_msb + * 's not 2'b00, Rx OLE uses a REO destination indication of + * {lmac_peer_id_msb, hash[2:0]} using the chosen Toeplitz + * hash from Common Parser if flow search fails. + * + * use_flow_id_toeplitz_clfy + * Indication to Rx OLE to enable REO destination routing based + * on the chosen Toeplitz hash from Common Parser, in case + * flow search fails + * + * pkt_selection_fp_ucast_data + * Filter pass Unicast data frame (matching rxpcu_filter_pass + * and sw_frame_group_Unicast_data) routing selection + * + * pkt_selection_fp_mcast_data + * Filter pass Multicast data frame (matching rxpcu_filter_pass + * and sw_frame_group_Multicast_data) routing selection + * + * pkt_selection_fp_ctrl_bar + * Filter pass BAR frame (matching rxpcu_filter_pass + * and sw_frame_group_ctrl_1000) routing selection + * + * rxdma0_src_ring_selection + * Field only valid when for the received frame type the corresponding + * pkt_selection_fp_... bit is set + * + * rxdma0_dst_ring_selection + * Field only valid when for the received frame type the corresponding + * pkt_selection_fp_... bit is set + * + * mcast_echo_drop_enable + * If set, for multicast packets, multicast echo check (i.e. + * SA search with mcast_echo_check = 1) shall be performed + * by RXOLE, and any multicast echo packets should be indicated + * to RXDMA for release to WBM + * + * wds_learning_detect_en + * If set, WDS learning detection based on SA search and notification + * to FW (using RXDMA0 status ring) is enabled and the "timestamp" + * field in address search failure cache-only entry should + * be used to avoid multiple WDS learning notifications. + * + * intrabss_check_en + * If set, intra-BSS routing detection is enabled + * + * use_ppe + * Indicates to RXDMA to ignore the REO_destination_indication + * and use a programmed value corresponding to the REO2PPE + * ring + * This override to REO2PPE for packets requiring multiple + * buffers shall be disabled based on an RXDMA configuration, + * as PPE may not support such packets. + * + * Supported only in full AP chips, not in client/soft + * chips + * + * ppe_routing_enable + * Global enable/disable bit for routing to PPE, used to disable + * PPE routing even if RXOLE CCE or flow search indicate 'Use_PPE' + * This is set by SW for peers which are being handled by a + * host SW/accelerator subsystem that also handles packet + * uffer management for WiFi-to-PPE routing. + * + * This is cleared by SW for peers which are being handled + * by a different subsystem, completely disabling WiFi-to-PPE + * routing for such peers. + * + * 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. + * + * pn + * The PN number. + * + * epd_en + * Field only valid when AST_based_lookup_valid == 1. + * In case of ndp or phy_err or AST_based_lookup_valid == 0, + * this field will be set to 0 + * If set to one use EPD instead of LPD + * In case of ndp or phy_err, this field will never be set. + * + * all_frames_shall_be_encrypted + * In case of ndp or phy_err or AST_based_lookup_valid == 0, + * this field will be set to 0 + * + * When set, all frames (data only ?) shall be encrypted. If + * not, RX CRYPTO shall set an error flag. + * + * + * encrypt_type + * In case of ndp or phy_err or AST_based_lookup_valid == 0, + * this field will be set to 0 + * + * Indicates type of decrypt cipher used (as defined in the + * peer entry) + * + * wep_key_width_for_variable_key + * + * Field only valid when key_type is set to wep_varied_width. + * + * mesh_sta + * + * bssid_hit + * When set, the BSSID of the incoming frame matched one of + * the 8 BSSID register values + * bssid_number + * Field only valid when bssid_hit is set. + * This number indicates which one out of the 8 BSSID register + * values matched the incoming frame + * + * tid + * Field only valid when mpdu_qos_control_valid is set + * The TID field in the QoS control field + * + * peer_meta_data + * Meta data that SW has programmed in the Peer table entry + * of the transmitting STA. + * + * 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_*. + * + * ndp_frame + * When set, the received frame was an NDP frame, and thus + * there will be no MPDU data. + * phy_err + * When set, a PHY error was received before MAC received any + * data, and thus there will be no MPDU data. + * + * phy_err_during_mpdu_header + * When set, a PHY error was received before MAC received the + * complete MPDU header which was needed for proper decoding + * + * protocol_version_err + * Set when RXPCU detected a version error in the Frame control + * field + * + * ast_based_lookup_valid + * When set, AST based lookup for this frame has found a valid + * result. + * + * ranging + * When set, a ranging NDPA or a ranging NDP was received. + * + * 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, meaning + * that No AST entry was found or NO AST search was performed + * + * sw_peer_id + * In case of ndp or phy_err or AST_based_lookup_valid == 0, + * this field will be set to 0 + * This field indicates a unique peer identifier. It is set + * equal to field 'sw_peer_id' from the AST entry + * + * frame_control_valid + * When set, the field Mpdu_Frame_control_field has valid information + * + * frame_duration_valid + * When set, the field Mpdu_duration_field has valid information + * + * mac_addr_ad1..4_valid + * When set, the fields mac_addr_adx_..... have valid information + * + * mpdu_seq_ctrl_valid + * + * When set, the fields mpdu_sequence_control_field and mpdu_sequence_number + * have valid information as well as field + * For MPDUs without a sequence control field, this field will + * not be set. + * + * mpdu_qos_ctrl_valid, mpdu_ht_ctrl_valid + * + * When set, the field mpdu_qos_control_field, mpdu_ht_control has valid + * information, For MPDUs without a QoS,HT control field, this field + * will not be set. + * + * frame_encryption_info_valid + * + * When set, the encryption related info fields, like IV and + * PN are valid + * For MPDUs that are not encrypted, this will not be set. + * + * mpdu_fragment_number + * + * Field only valid when Mpdu_sequence_control_valid is set + * AND Fragment_flag is set. The fragment number from the 802.11 header + * + * more_fragment_flag + * + * The More Fragment bit setting from the MPDU header of the + * received frame + * + * fr_ds + * + * Field only valid when Mpdu_frame_control_valid is set + * Set if the from DS bit is set in the frame control. + * + * to_ds + * + * Field only valid when Mpdu_frame_control_valid is set + * Set if the to DS bit is set in the frame control. + * + * encrypted + * + * Field only valid when Mpdu_frame_control_valid is set. + * Protected bit from the frame control. + * + * mpdu_retry + * Field only valid when Mpdu_frame_control_valid is set. + * Retry bit from the frame control. Only valid when first_msdu is set + * + * mpdu_sequence_number + * Field only valid when Mpdu_sequence_control_valid is set. + * + * The sequence number from the 802.11 header. + * key_id + * The key ID octet from the IV. + * Field only valid when Frame_encryption_info_valid is set + * + * 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 + * + * raw_mpdu + * Set when no 802.11 to nwifi/ethernet hdr conversion is done + * + * mpdu_length + * MPDU length before decapsulation. + * + * 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 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. + * + * + * fragment_flag + * Fragment indication + * + * order + * Set if the order bit in the frame control is set. Only + * set when first_msdu is set. + * + * u_apsd_trigger + * U-APSD trigger frame + * + * 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. + * amsdu_present + * AMSDU present + * + * mpdu_frame_control_field + * Frame control field in header. Only valid when the field is marked valid. + * + * mpdu_duration_field + * Duration field in header. Only valid when the field is marked valid. + * + * mac_addr_adx + * MAC addresses in the received frame. Only valid when corresponding + * address valid bit is set + * + * mpdu_qos_control_field, mpdu_ht_control_field + * QoS/HT control fields from header. Valid only when corresponding fields + * are marked valid + * + * vdev_id + * Virtual device associated with this peer + * RXOLE uses this to determine intra-BSS routing. + * + * service_code + * Opaque service code between PPE and Wi-Fi + * This field gets passed on by REO to PPE in the EDMA descriptor + * ('REO_TO_PPE_RING'). + * + * priority_valid + * This field gets passed on by REO to PPE in the EDMA descriptor + * ('REO_TO_PPE_RING'). + * + * src_info + * Source (virtual) device/interface info. associated with + * this peer + * This field gets passed on by REO to PPE in the EDMA descriptor + * ('REO_TO_PPE_RING'). + * + * multi_link_addr_ad1_ad2_valid + * If set, Rx OLE shall convert Address1 and Address2 of received + * data frames to multi-link addresses during decapsulation to eth/nwifi + * + * multi_link_addr_ad1,ad2 + * Multi-link receiver address1,2. Only valid when corresponding + * valid bit is set + * + * authorize_to_send_wds + * If not set, RXDMA shall perform error-routing for WDS packets + * as the sender is not authorized and might misuse WDS frame + * format to inject packets with arbitrary DA/SA. + * + */ + +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_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_REPORTED_MPDU_LENGTH GENMASK(13, 0) + +#define RX_MSDU_END_INFO2_CCE_SUPER_RULE GENMASK(13, 8) +#define RX_MSDU_END_INFO2_CCND_TRUNCATE BIT(14) +#define RX_MSDU_END_INFO2_CCND_CCE_DIS BIT(15) + +#define RX_MSDU_END_INFO3_DA_OFFSET GENMASK(5, 0) +#define RX_MSDU_END_INFO3_SA_OFFSET GENMASK(11, 6) +#define RX_MSDU_END_INFO3_DA_OFFSET_VALID BIT(12) +#define RX_MSDU_END_INFO3_SA_OFFSET_VALID BIT(13) + +#define RX_MSDU_END_INFO4_TCP_FLAG GENMASK(8, 0) +#define RX_MSDU_END_INFO4_LRO_ELIGIBLE BIT(9) + +#define RX_MSDU_END_INFO5_SA_IDX_TIMEOUT BIT(0) +#define RX_MSDU_END_INFO5_DA_IDX_TIMEOUT BIT(1) +#define RX_MSDU_END_INFO5_TO_DS BIT(2) +#define RX_MSDU_END_INFO5_TID GENMASK(6, 3) +#define RX_MSDU_END_INFO5_SA_IS_VALID BIT(7) +#define RX_MSDU_END_INFO5_DA_IS_VALID BIT(8) +#define RX_MSDU_END_INFO5_DA_IS_MCBC BIT(9) +#define RX_MSDU_END_INFO5_L3_HDR_PADDING GENMASK(11, 10) +#define RX_MSDU_END_INFO5_FIRST_MSDU BIT(12) +#define RX_MSDU_END_INFO5_LAST_MSDU BIT(13) +#define RX_MSDU_END_INFO5_FROM_DS BIT(14) +#define RX_MSDU_END_INFO5_IP_CHKSUM_FAIL_COPY BIT(15) + +#define RX_MSDU_END_INFO6_MSDU_DROP BIT(0) +#define RX_MSDU_END_INFO6_REO_DEST_IND GENMASK(5, 1) +#define RX_MSDU_END_INFO6_FLOW_IDX GENMASK(25, 6) +#define RX_MSDU_END_INFO6_USE_PPE BIT(26) +#define RX_MSDU_END_INFO6_MESH_STA GENMASK(28, 27) +#define RX_MSDU_END_INFO6_VLAN_CTAG_STRIPPED BIT(29) +#define RX_MSDU_END_INFO6_VLAN_STAG_STRIPPED BIT(30) +#define RX_MSDU_END_INFO6_FRAGMENT_FLAG BIT(31) + +#define RX_MSDU_END_INFO7_AGGR_COUNT GENMASK(7, 0) +#define RX_MSDU_END_INFO7_FLOW_AGGR_CONTN BIT(8) +#define RX_MSDU_END_INFO7_FISA_TIMEOUT BIT(9) +#define RX_MSDU_END_INFO7_TCPUDP_CSUM_FAIL_CPY BIT(10) +#define RX_MSDU_END_INFO7_MSDU_LIMIT_ERROR BIT(11) +#define RX_MSDU_END_INFO7_FLOW_IDX_TIMEOUT BIT(12) +#define RX_MSDU_END_INFO7_FLOW_IDX_INVALID BIT(13) +#define RX_MSDU_END_INFO7_CCE_MATCH BIT(14) +#define RX_MSDU_END_INFO7_AMSDU_PARSER_ERR BIT(15) + +#define RX_MSDU_END_INFO8_KEY_ID GENMASK(7, 0) + +#define RX_MSDU_END_INFO9_SERVICE_CODE GENMASK(14, 6) +#define RX_MSDU_END_INFO9_PRIORITY_VALID BIT(15) +#define RX_MSDU_END_INFO9_INRA_BSS BIT(16) +#define RX_MSDU_END_INFO9_DEST_CHIP_ID GENMASK(18, 17) +#define RX_MSDU_END_INFO9_MCAST_ECHO BIT(19) +#define RX_MSDU_END_INFO9_WDS_LEARN_EVENT BIT(20) +#define RX_MSDU_END_INFO9_WDS_ROAM_EVENT BIT(21) +#define RX_MSDU_END_INFO9_WDS_KEEP_ALIVE_EVENT BIT(22) + +#define RX_MSDU_END_INFO10_MSDU_LENGTH GENMASK(13, 0) +#define RX_MSDU_END_INFO10_STBC BIT(14) +#define RX_MSDU_END_INFO10_IPSEC_ESP BIT(15) +#define RX_MSDU_END_INFO10_L3_OFFSET GENMASK(22, 16) +#define RX_MSDU_END_INFO10_IPSEC_AH BIT(23) +#define RX_MSDU_END_INFO10_L4_OFFSET GENMASK(31, 24) + +#define RX_MSDU_END_INFO11_MSDU_NUMBER GENMASK(7, 0) +#define RX_MSDU_END_INFO11_DECAP_FORMAT GENMASK(9, 8) +#define RX_MSDU_END_INFO11_IPV4 BIT(10) +#define RX_MSDU_END_INFO11_IPV6 BIT(11) +#define RX_MSDU_END_INFO11_TCP BIT(12) +#define RX_MSDU_END_INFO11_UDP BIT(13) +#define RX_MSDU_END_INFO11_IP_FRAG BIT(14) +#define RX_MSDU_END_INFO11_TCP_ONLY_ACK BIT(15) +#define RX_MSDU_END_INFO11_DA_IS_BCAST_MCAST BIT(16) +#define RX_MSDU_END_INFO11_SEL_TOEPLITZ_HASH GENMASK(18, 17) +#define RX_MSDU_END_INFO11_IP_FIXED_HDR_VALID BIT(19) +#define RX_MSDU_END_INFO11_IP_EXTN_HDR_VALID BIT(20) +#define RX_MSDU_END_INFO11_IP_TCP_UDP_HDR_VALID BIT(21) +#define RX_MSDU_END_INFO11_MESH_CTRL_PRESENT BIT(22) +#define RX_MSDU_END_INFO11_LDPC BIT(23) +#define RX_MSDU_END_INFO11_IP4_IP6_NXT_HDR GENMASK(31, 24) + +#define RX_MSDU_END_INFO12_USER_RSSI GENMASK(7, 0) +#define RX_MSDU_END_INFO12_PKT_TYPE GENMASK(11, 8) +#define RX_MSDU_END_INFO12_SGI GENMASK(13, 12) +#define RX_MSDU_END_INFO12_RATE_MCS GENMASK(17, 14) +#define RX_MSDU_END_INFO12_RECV_BW GENMASK(20, 18) +#define RX_MSDU_END_INFO12_RECEPTION_TYPE GENMASK(23, 21) +#define RX_MSDU_END_INFO12_MIMO_SS_BITMAP GENMASK(30, 24) +#define RX_MSDU_END_INFO12_MIMO_DONE_COPY BIT(31) + +#define RX_MSDU_END_INFO13_FIRST_MPDU BIT(0) +#define RX_MSDU_END_INFO13_MCAST_BCAST BIT(2) +#define RX_MSDU_END_INFO13_AST_IDX_NOT_FOUND BIT(3) +#define RX_MSDU_END_INFO13_AST_IDX_TIMEDOUT BIT(4) +#define RX_MSDU_END_INFO13_POWER_MGMT BIT(5) +#define RX_MSDU_END_INFO13_NON_QOS BIT(6) +#define RX_MSDU_END_INFO13_NULL_DATA BIT(7) +#define RX_MSDU_END_INFO13_MGMT_TYPE BIT(8) +#define RX_MSDU_END_INFO13_CTRL_TYPE BIT(9) +#define RX_MSDU_END_INFO13_MORE_DATA BIT(10) +#define RX_MSDU_END_INFO13_EOSP BIT(11) +#define RX_MSDU_END_INFO13_A_MSDU_ERROR BIT(12) +#define RX_MSDU_END_INFO13_ORDER BIT(14) +#define RX_MSDU_END_INFO13_WIFI_PARSER_ERR BIT(15) +#define RX_MSDU_END_INFO13_OVERFLOW_ERR BIT(16) +#define RX_MSDU_END_INFO13_MSDU_LEN_ERR BIT(17) +#define RX_MSDU_END_INFO13_TCP_UDP_CKSUM_FAIL BIT(18) +#define RX_MSDU_END_INFO13_IP_CKSUM_FAIL BIT(19) +#define RX_MSDU_END_INFO13_SA_IDX_INVALID BIT(20) +#define RX_MSDU_END_INFO13_DA_IDX_INVALID BIT(21) +#define RX_MSDU_END_INFO13_AMSDU_ADDR_MISMATCH BIT(22) +#define RX_MSDU_END_INFO13_RX_IN_TX_DECRYPT_BYP BIT(23) +#define RX_MSDU_END_INFO13_ENCRYPT_REQUIRED BIT(24) +#define RX_MSDU_END_INFO13_DIRECTED BIT(25) +#define RX_MSDU_END_INFO13_BUFFER_FRAGMENT BIT(26) +#define RX_MSDU_END_INFO13_MPDU_LEN_ERR BIT(27) +#define RX_MSDU_END_INFO13_TKIP_MIC_ERR BIT(28) +#define RX_MSDU_END_INFO13_DECRYPT_ERR BIT(29) +#define RX_MSDU_END_INFO13_UNDECRYPT_FRAME_ERR BIT(30) +#define RX_MSDU_END_INFO13_FCS_ERR BIT(31) + +#define RX_MSDU_END_INFO14_DECRYPT_STATUS_CODE GENMASK(12, 10) +#define RX_MSDU_END_INFO14_RX_BITMAP_NOT_UPDED BIT(13) +#define RX_MSDU_END_INFO14_MSDU_DONE BIT(31) + +struct rx_msdu_end_qcn9274 { + __le16 info0; + __le16 phy_ppdu_id; + __le16 ip_hdr_cksum; + __le16 info1; + __le16 info2; + __le16 cumulative_l3_checksum; + __le32 rule_indication0; + __le32 ipv6_options_crc; + __le16 info3; + __le16 l3_type; + __le32 rule_indication1; + __le32 tcp_seq_num; + __le32 tcp_ack_num; + __le16 info4; + __le16 window_size; + __le16 sa_sw_peer_id; + __le16 info5; + __le16 sa_idx; + __le16 da_idx_or_sw_peer_id; + __le32 info6; + __le32 fse_metadata; + __le16 cce_metadata; + __le16 tcp_udp_cksum; + __le16 info7; + __le16 cumulative_ip_length; + __le32 info8; + __le32 info9; + __le32 info10; + __le32 info11; + __le16 vlan_ctag_ci; + __le16 vlan_stag_ci; + __le32 peer_meta_data; + __le32 info12; + __le32 flow_id_toeplitz; + __le32 ppdu_start_timestamp_63_32; + __le32 phy_meta_data; + __le32 ppdu_start_timestamp_31_0; + __le32 toeplitz_hash_2_or_4; + __le16 res0; + __le16 sa_15_0; + __le32 sa_47_16; + __le32 info13; + __le32 info14; +} __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. + * + * 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. + * + * 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 + * + * cumulative_l3_checksum + * FISA: IP header checksum including the total MSDU length + * that is part of this flow aggregated so far, reported if + * 'RXOLE_R0_FISA_CTRL. CHKSUM_CUM_IP_LEN_EN' is set + * + * rule_indication + * Bitmap indicating which of rules have matched. + * + * ipv6_options_crc + * 32 bit CRC computed out of IP v6 extension headers. + * + * 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. + * + * 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. + * + * sa_sw_peer_id + * sw_peer_id from the address search entry corresponding to the + * source address of the MSDU. + * + * 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. + * + * to_ds + * Set if the to DS bit is set in the frame control. + * + * tid + * TID field in the QoS control field + * + * 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. + * + * 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. + * + * fr_ds + * Set if the from DS bit is set in the frame control. + * + * ip_chksum_fail_copy + * Indicates that the computed checksum did not match the + * checksum in the IP header. + * + * sa_idx + * The offset in the address table which matches the MAC source + * address. + * + * da_idx_or_sw_peer_id + * Based on a register configuration in RXOLE, this field will + * contain: + * The offset in the address table which matches the MAC destination + * address + * OR: + * sw_peer_id from the address search entry corresponding to + * the destination address of the MSDU + * + * msdu_drop + * REO shall drop this MSDU and not forward it to any other ring. + * + * 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. + * + * use_ppe + * Indicates to RXDMA to ignore the REO_destination_indication + * and use a programmed value corresponding to the REO2PPE + * ring + * + * mesh_sta + * When set, this is a Mesh (11s) STA. + * + * vlan_ctag_stripped + * Set by RXOLE if it stripped 4-bytes of C-VLAN Tag from the + * packet + * + * vlan_stag_stripped + * Set by RXOLE if it stripped 4-bytes of S-VLAN Tag from the + * packet + * + * fragment_flag + * 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. + * + * fse_metadata + * FSE related meta data. + * + * cce_metadata + * CCE related meta data. + * + * 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. + * + * aggregation_count + * Number of MSDU's aggregated so far + * + * flow_aggregation_continuation + * To indicate that this MSDU can be aggregated with + * the previous packet with the same flow id + * + * fisa_timeout + * To indicate that the aggregation has restarted for + * this flow due to timeout + * + * tcp_udp_chksum_fail + * Indicates that the computed checksum (tcp_udp_chksum) did + * not match the checksum in the TCP/UDP header. + * + * 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. + * + * 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. + * + * amsdu_parser_error + * A-MSDU could not be properly de-agregated. + * + * cumulative_ip_length + * Total MSDU length that is part of this flow aggregated + * so far + * + * key_id + * The key ID octet from the IV. Only valid when first_msdu is set. + * + * service_code + * Opaque service code between PPE and Wi-Fi + * + * priority_valid + * This field gets passed on by REO to PPE in the EDMA descriptor + * + * intra_bss + * This packet needs intra-BSS routing by SW as the 'vdev_id' + * for the destination is the same as 'vdev_id' (from 'RX_MPDU_PCU_START') + * that this MSDU was got in. + * + * dest_chip_id + * If intra_bss is set, copied by RXOLE from 'ADDR_SEARCH_ENTRY' + * to support intra-BSS routing with multi-chip multi-link + * operation. This indicates into which chip's TCL the packet should be + * queueued + * + * multicast_echo + * If set, this packet is a multicast echo, i.e. the DA is + * multicast and Rx OLE SA search with mcast_echo_check = 1 + * passed. RXDMA should release such packets to WBM. + * + * wds_learning_event + * If set, this packet has an SA search failure with WDS learning + * enabled for the peer. RXOLE should route this TLV to the + * RXDMA0 status ring to notify FW. + * + * wds_roaming_event + * If set, this packet's SA 'Sw_peer_id' mismatches the 'Sw_peer_id' + * of the peer through which the packet was got, indicating + * the SA node has roamed. RXOLE should route this TLV to + * the RXDMA0 status ring to notify FW. + * + * wds_keep_alive_event + * If set, the AST timestamp for this packet's SA is older + * than the current timestamp by more than a threshold programmed + * in RXOLE. RXOLE should route this TLV to the RXDMA0 status + * ring to notify FW to keep the AST entry for the SA alive. + * + * 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 + * + * stbc + * When set, use STBC transmission rates. + * + * 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. + * + * + * vlan_ctag_ci + * 2 bytes of C-VLAN Tag Control Information from WHO_L2_LLC + * + * vlan_stag_ci + * 2 bytes of S-VLAN Tag Control Information from WHO_L2_LLC + * in case of double VLAN + * + * peer_meta_data + * Meta data that SW has programmed in the Peer table entry + * of the transmitting STA. + * + * user_rssi + * RSSI for this user + * + * pkt_type + * Values are defined in enum %RX_MSDU_START_PKT_TYPE_*. + * + * 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 + * + * msdu_done_copy + * 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 is in the last 64-bit of the descriptor + * expected to be subscribed in future hardware. + * + * 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. + * + * 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. + * + * toeplitz_hash_2_or_4 + * Controlled by multiple RxOLE registers for TCP/UDP over + * IPv4/IPv6 - Either, Toeplitz hash computed over 2-tuple + * IPv4 or IPv6 src/dest addresses is reported; or, Toeplitz + * hash computed over 4-tuple IPv4 or IPv6 src/dest addresses + * and src/dest ports is reported. The Flow_id_toeplitz hash + * can also be reported here. Usually the hash reported here + * is the one used for hash-based REO routing (see use_flow_id_toeplitz_clfy + * in 'RXPT_CLASSIFY_INFO'). + * + * sa + * Source MAC address + * + * 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 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. + * + * order + * Set if the order bit in the frame control is set. Only + * set when first_msdu is set. + * + * wifi_parser_error + * Indicates that the WiFi frame has one of the following errors + * + * 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. + * + * 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. + * + * amsdu_addr_mismatch + * Indicates that an A-MSDU with 'from DS = 0' had an SA mismatching + * TA or an A-MDU with 'to DS = 0' had a DA mismatching RA + * + * 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. + * + * 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. + * + */ + +/* TODO: Move to compact TLV approach + * By default these tlv's are not aligned to 128b boundary + * Need to remove unused qwords and make them compact/aligned + */ +struct hal_rx_desc_qcn9274 { + struct rx_msdu_end_qcn9274 msdu_end; + struct rx_mpdu_start_qcn9274 mpdu_start; + u8 msdu_payload[]; +} __packed; + +#define RX_BE_PADDING0_BYTES 8 +#define RX_BE_PADDING1_BYTES 8 + +#define HAL_RX_BE_PKT_HDR_TLV_LEN 112 + +struct rx_pkt_hdr_tlv { + __le64 tag; + __le64 phy_ppdu_id; + u8 rx_pkt_hdr[HAL_RX_BE_PKT_HDR_TLV_LEN]; +}; + +struct hal_rx_desc_wcn7850 { + __le64 msdu_end_tag; + struct rx_msdu_end_qcn9274 msdu_end; + u8 rx_padding0[RX_BE_PADDING0_BYTES]; + __le64 mpdu_start_tag; + struct rx_mpdu_start_qcn9274 mpdu_start; + struct rx_pkt_hdr_tlv pkt_hdr_tlv; + u8 msdu_payload[]; +}; + +struct hal_rx_desc { + union { + struct hal_rx_desc_qcn9274 qcn9274; + struct hal_rx_desc_wcn7850 wcn7850; + } u; +} __packed; + +#define MAX_USER_POS 8 +#define MAX_MU_GROUP_ID 64 +#define MAX_MU_GROUP_SHOW 16 +#define MAX_MU_GROUP_LENGTH (6 * MAX_MU_GROUP_SHOW) + +#define HAL_RX_RU_ALLOC_TYPE_MAX 6 +#define RU_26 1 +#define RU_52 2 +#define RU_106 4 +#define RU_242 9 +#define RU_484 18 +#define RU_996 37 + +#endif /* ATH12K_RX_DESC_H */ |