185630469SLior David /* SPDX-License-Identifier: ISC */ 210590c6aSGidon Studinski /* 34bf01986SAhmad Masri * Copyright (c) 2012-2016,2018-2019, The Linux Foundation. All rights reserved. 410590c6aSGidon Studinski */ 510590c6aSGidon Studinski 610590c6aSGidon Studinski #ifndef WIL6210_TXRX_EDMA_H 710590c6aSGidon Studinski #define WIL6210_TXRX_EDMA_H 810590c6aSGidon Studinski 910590c6aSGidon Studinski #include "wil6210.h" 1010590c6aSGidon Studinski 1196c93589SGidon Studinski /* limit status ring size in range [ring size..max ring size] */ 1296c93589SGidon Studinski #define WIL_SRING_SIZE_ORDER_MIN (WIL_RING_SIZE_ORDER_MIN) 1396c93589SGidon Studinski #define WIL_SRING_SIZE_ORDER_MAX (WIL_RING_SIZE_ORDER_MAX) 1496c93589SGidon Studinski /* RX sring order should be bigger than RX ring order */ 15cbebe277SMaya Erez #define WIL_RX_SRING_SIZE_ORDER_DEFAULT (12) 16c903ece5SAhmad Masri #define WIL_TX_SRING_SIZE_ORDER_DEFAULT (14) 17cbebe277SMaya Erez #define WIL_RX_BUFF_ARR_SIZE_DEFAULT (2600) 1896c93589SGidon Studinski 1996c93589SGidon Studinski #define WIL_DEFAULT_RX_STATUS_RING_ID 0 2096c93589SGidon Studinski #define WIL_RX_DESC_RING_ID 0 2196c93589SGidon Studinski #define WIL_RX_STATUS_IRQ_IDX 0 2296c93589SGidon Studinski #define WIL_TX_STATUS_IRQ_IDX 1 2396c93589SGidon Studinski 2496c93589SGidon Studinski #define WIL_EDMA_AGG_WATERMARK (0xffff) 2596c93589SGidon Studinski #define WIL_EDMA_AGG_WATERMARK_POS (16) 2696c93589SGidon Studinski 2796c93589SGidon Studinski #define WIL_EDMA_IDLE_TIME_LIMIT_USEC (50) 2896c93589SGidon Studinski #define WIL_EDMA_TIME_UNIT_CLK_CYCLES (330) /* fits 1 usec */ 2996c93589SGidon Studinski 307be13fc3SGidon Studinski /* Error field */ 317be13fc3SGidon Studinski #define WIL_RX_EDMA_ERROR_MIC (1) 327be13fc3SGidon Studinski #define WIL_RX_EDMA_ERROR_KEY (2) /* Key missing */ 337be13fc3SGidon Studinski #define WIL_RX_EDMA_ERROR_REPLAY (3) 347be13fc3SGidon Studinski #define WIL_RX_EDMA_ERROR_AMSDU (4) 357be13fc3SGidon Studinski #define WIL_RX_EDMA_ERROR_FCS (7) 367be13fc3SGidon Studinski 377be13fc3SGidon Studinski #define WIL_RX_EDMA_ERROR_L3_ERR (BIT(0) | BIT(1)) 387be13fc3SGidon Studinski #define WIL_RX_EDMA_ERROR_L4_ERR (BIT(0) | BIT(1)) 397be13fc3SGidon Studinski 407be13fc3SGidon Studinski #define WIL_RX_EDMA_DLPF_LU_MISS_BIT BIT(11) 417be13fc3SGidon Studinski #define WIL_RX_EDMA_DLPF_LU_MISS_CID_TID_MASK 0x7 427be13fc3SGidon Studinski #define WIL_RX_EDMA_DLPF_LU_HIT_CID_TID_MASK 0xf 437be13fc3SGidon Studinski 447be13fc3SGidon Studinski #define WIL_RX_EDMA_DLPF_LU_MISS_CID_POS 2 457be13fc3SGidon Studinski #define WIL_RX_EDMA_DLPF_LU_HIT_CID_POS 4 467be13fc3SGidon Studinski 477be13fc3SGidon Studinski #define WIL_RX_EDMA_DLPF_LU_MISS_TID_POS 5 487be13fc3SGidon Studinski 49*18beb61dSDedy Lansky #define WIL_RX_EDMA_MID_VALID_BIT BIT(20) 507be13fc3SGidon Studinski 519202d7b6SMaya Erez #define WIL_EDMA_DESC_TX_MAC_CFG_0_QID_POS 16 529202d7b6SMaya Erez #define WIL_EDMA_DESC_TX_MAC_CFG_0_QID_LEN 6 539202d7b6SMaya Erez 549202d7b6SMaya Erez #define WIL_EDMA_DESC_TX_CFG_EOP_POS 0 559202d7b6SMaya Erez #define WIL_EDMA_DESC_TX_CFG_EOP_LEN 1 569202d7b6SMaya Erez 579202d7b6SMaya Erez #define WIL_EDMA_DESC_TX_CFG_TSO_DESC_TYPE_POS 3 589202d7b6SMaya Erez #define WIL_EDMA_DESC_TX_CFG_TSO_DESC_TYPE_LEN 2 599202d7b6SMaya Erez 609202d7b6SMaya Erez #define WIL_EDMA_DESC_TX_CFG_SEG_EN_POS 5 619202d7b6SMaya Erez #define WIL_EDMA_DESC_TX_CFG_SEG_EN_LEN 1 629202d7b6SMaya Erez 639202d7b6SMaya Erez #define WIL_EDMA_DESC_TX_CFG_INSERT_IP_CHKSUM_POS 6 649202d7b6SMaya Erez #define WIL_EDMA_DESC_TX_CFG_INSERT_IP_CHKSUM_LEN 1 659202d7b6SMaya Erez 669202d7b6SMaya Erez #define WIL_EDMA_DESC_TX_CFG_INSERT_TCP_CHKSUM_POS 7 679202d7b6SMaya Erez #define WIL_EDMA_DESC_TX_CFG_INSERT_TCP_CHKSUM_LEN 1 689202d7b6SMaya Erez 699202d7b6SMaya Erez #define WIL_EDMA_DESC_TX_CFG_L4_TYPE_POS 15 709202d7b6SMaya Erez #define WIL_EDMA_DESC_TX_CFG_L4_TYPE_LEN 1 719202d7b6SMaya Erez 729202d7b6SMaya Erez #define WIL_EDMA_DESC_TX_CFG_PSEUDO_HEADER_CALC_EN_POS 5 739202d7b6SMaya Erez #define WIL_EDMA_DESC_TX_CFG_PSEUDO_HEADER_CALC_EN_LEN 1 749202d7b6SMaya Erez 7510590c6aSGidon Studinski /* Enhanced Rx descriptor - MAC part 7610590c6aSGidon Studinski * [dword 0] : Reserved 7710590c6aSGidon Studinski * [dword 1] : Reserved 7810590c6aSGidon Studinski * [dword 2] : Reserved 7910590c6aSGidon Studinski * [dword 3] 8010590c6aSGidon Studinski * bit 0..15 : Buffer ID 8110590c6aSGidon Studinski * bit 16..31 : Reserved 8210590c6aSGidon Studinski */ 8310590c6aSGidon Studinski struct wil_ring_rx_enhanced_mac { 8410590c6aSGidon Studinski u32 d[3]; 8510590c6aSGidon Studinski __le16 buff_id; 8610590c6aSGidon Studinski u16 reserved; 8710590c6aSGidon Studinski } __packed; 8810590c6aSGidon Studinski 8910590c6aSGidon Studinski /* Enhanced Rx descriptor - DMA part 9010590c6aSGidon Studinski * [dword 0] - Reserved 9110590c6aSGidon Studinski * [dword 1] 9210590c6aSGidon Studinski * bit 0..31 : addr_low:32 The payload buffer address, bits 0-31 9310590c6aSGidon Studinski * [dword 2] 9410590c6aSGidon Studinski * bit 0..15 : addr_high_low:16 The payload buffer address, bits 32-47 9510590c6aSGidon Studinski * bit 16..31 : Reserved 9610590c6aSGidon Studinski * [dword 3] 9710590c6aSGidon Studinski * bit 0..15 : addr_high_high:16 The payload buffer address, bits 48-63 9810590c6aSGidon Studinski * bit 16..31 : length 9910590c6aSGidon Studinski */ 10010590c6aSGidon Studinski struct wil_ring_rx_enhanced_dma { 10110590c6aSGidon Studinski u32 d0; 10210590c6aSGidon Studinski struct wil_ring_dma_addr addr; 10310590c6aSGidon Studinski u16 w5; 10410590c6aSGidon Studinski __le16 addr_high_high; 10510590c6aSGidon Studinski __le16 length; 10610590c6aSGidon Studinski } __packed; 10710590c6aSGidon Studinski 10810590c6aSGidon Studinski struct wil_rx_enhanced_desc { 10910590c6aSGidon Studinski struct wil_ring_rx_enhanced_mac mac; 11010590c6aSGidon Studinski struct wil_ring_rx_enhanced_dma dma; 11110590c6aSGidon Studinski } __packed; 11210590c6aSGidon Studinski 11310590c6aSGidon Studinski /* Enhanced Tx descriptor - DMA part 11410590c6aSGidon Studinski * [dword 0] 11510590c6aSGidon Studinski * Same as legacy 11610590c6aSGidon Studinski * [dword 1] 11710590c6aSGidon Studinski * bit 0..31 : addr_low:32 The payload buffer address, bits 0-31 11810590c6aSGidon Studinski * [dword 2] 11910590c6aSGidon Studinski * bit 0..15 : addr_high_low:16 The payload buffer address, bits 32-47 12010590c6aSGidon Studinski * bit 16..23 : ip_length:8 The IP header length for the TX IP checksum 12110590c6aSGidon Studinski * offload feature 12210590c6aSGidon Studinski * bit 24..30 : mac_length:7 12310590c6aSGidon Studinski * bit 31 : ip_version:1 1 - IPv4, 0 - IPv6 12410590c6aSGidon Studinski * [dword 3] 12510590c6aSGidon Studinski * bit 0..15 : addr_high_high:16 The payload buffer address, bits 48-63 12610590c6aSGidon Studinski * bit 16..31 : length 12710590c6aSGidon Studinski */ 12810590c6aSGidon Studinski struct wil_ring_tx_enhanced_dma { 12910590c6aSGidon Studinski u8 l4_hdr_len; 13010590c6aSGidon Studinski u8 cmd; 13110590c6aSGidon Studinski u16 w1; 13210590c6aSGidon Studinski struct wil_ring_dma_addr addr; 13310590c6aSGidon Studinski u8 ip_length; 13410590c6aSGidon Studinski u8 b11; /* 0..6: mac_length; 7:ip_version */ 13510590c6aSGidon Studinski __le16 addr_high_high; 13610590c6aSGidon Studinski __le16 length; 13710590c6aSGidon Studinski } __packed; 13810590c6aSGidon Studinski 13910590c6aSGidon Studinski /* Enhanced Tx descriptor - MAC part 14010590c6aSGidon Studinski * [dword 0] 14110590c6aSGidon Studinski * bit 0.. 9 : lifetime_expiry_value:10 14210590c6aSGidon Studinski * bit 10 : interrupt_en:1 14310590c6aSGidon Studinski * bit 11 : status_en:1 14410590c6aSGidon Studinski * bit 12..13 : txss_override:2 14510590c6aSGidon Studinski * bit 14 : timestamp_insertion:1 14610590c6aSGidon Studinski * bit 15 : duration_preserve:1 14710590c6aSGidon Studinski * bit 16..21 : reserved0:6 14810590c6aSGidon Studinski * bit 22..26 : mcs_index:5 14910590c6aSGidon Studinski * bit 27 : mcs_en:1 15010590c6aSGidon Studinski * bit 28..30 : reserved1:3 15110590c6aSGidon Studinski * bit 31 : sn_preserved:1 15210590c6aSGidon Studinski * [dword 1] 15310590c6aSGidon Studinski * bit 0.. 3 : pkt_mode:4 15410590c6aSGidon Studinski * bit 4 : pkt_mode_en:1 15510590c6aSGidon Studinski * bit 5..14 : reserved0:10 15610590c6aSGidon Studinski * bit 15 : ack_policy_en:1 15710590c6aSGidon Studinski * bit 16..19 : dst_index:4 15810590c6aSGidon Studinski * bit 20 : dst_index_en:1 15910590c6aSGidon Studinski * bit 21..22 : ack_policy:2 16010590c6aSGidon Studinski * bit 23 : lifetime_en:1 16110590c6aSGidon Studinski * bit 24..30 : max_retry:7 16210590c6aSGidon Studinski * bit 31 : max_retry_en:1 16310590c6aSGidon Studinski * [dword 2] 16410590c6aSGidon Studinski * bit 0.. 7 : num_of_descriptors:8 16510590c6aSGidon Studinski * bit 8..17 : reserved:10 16610590c6aSGidon Studinski * bit 18..19 : l2_translation_type:2 00 - bypass, 01 - 802.3, 10 - 802.11 16710590c6aSGidon Studinski * bit 20 : snap_hdr_insertion_en:1 16810590c6aSGidon Studinski * bit 21 : vlan_removal_en:1 16910590c6aSGidon Studinski * bit 22..23 : reserved0:2 17010590c6aSGidon Studinski * bit 24 : Dest ID extension:1 17110590c6aSGidon Studinski * bit 25..31 : reserved0:7 17210590c6aSGidon Studinski * [dword 3] 17310590c6aSGidon Studinski * bit 0..15 : tso_mss:16 17410590c6aSGidon Studinski * bit 16..31 : descriptor_scratchpad:16 - mailbox between driver and ucode 17510590c6aSGidon Studinski */ 17610590c6aSGidon Studinski struct wil_ring_tx_enhanced_mac { 17710590c6aSGidon Studinski u32 d[3]; 17810590c6aSGidon Studinski __le16 tso_mss; 17910590c6aSGidon Studinski u16 scratchpad; 18010590c6aSGidon Studinski } __packed; 18110590c6aSGidon Studinski 18210590c6aSGidon Studinski struct wil_tx_enhanced_desc { 18310590c6aSGidon Studinski struct wil_ring_tx_enhanced_mac mac; 18410590c6aSGidon Studinski struct wil_ring_tx_enhanced_dma dma; 18510590c6aSGidon Studinski } __packed; 18610590c6aSGidon Studinski 18710590c6aSGidon Studinski #define TX_STATUS_DESC_READY_POS 7 18810590c6aSGidon Studinski 18910590c6aSGidon Studinski /* Enhanced TX status message 19010590c6aSGidon Studinski * [dword 0] 19110590c6aSGidon Studinski * bit 0.. 7 : Number of Descriptor:8 - The number of descriptors that 19210590c6aSGidon Studinski * are used to form the packets. It is needed for WB when 19310590c6aSGidon Studinski * releasing the packet 19410590c6aSGidon Studinski * bit 8..15 : tx_ring_id:8 The transmission ring ID that is related to 19510590c6aSGidon Studinski * the message 19610590c6aSGidon Studinski * bit 16..23 : Status:8 - The TX status Code 19710590c6aSGidon Studinski * 0x0 - A successful transmission 19810590c6aSGidon Studinski * 0x1 - Retry expired 19910590c6aSGidon Studinski * 0x2 - Lifetime Expired 20010590c6aSGidon Studinski * 0x3 - Released 20110590c6aSGidon Studinski * 0x4-0xFF - Reserved 20210590c6aSGidon Studinski * bit 24..30 : Reserved:7 20310590c6aSGidon Studinski * bit 31 : Descriptor Ready bit:1 - It is initiated to 20410590c6aSGidon Studinski * zero by the driver when the ring is created. It is set by the HW 20510590c6aSGidon Studinski * to one for each completed status message. Each wrap around, 20610590c6aSGidon Studinski * the DR bit value is flipped. 20710590c6aSGidon Studinski * [dword 1] 20810590c6aSGidon Studinski * bit 0..31 : timestamp:32 - Set when MPDU is transmitted. 20910590c6aSGidon Studinski * [dword 2] 21010590c6aSGidon Studinski * bit 0.. 4 : MCS:5 - The transmitted MCS value 21110590c6aSGidon Studinski * bit 5 : Reserved:1 21210590c6aSGidon Studinski * bit 6.. 7 : CB mode:2 - 0-DMG 1-EDMG 2-Wide 21310590c6aSGidon Studinski * bit 8..12 : QID:5 - The QID that was used for the transmission 21410590c6aSGidon Studinski * bit 13..15 : Reserved:3 21510590c6aSGidon Studinski * bit 16..20 : Num of MSDUs:5 - Number of MSDUs in the aggregation 21610590c6aSGidon Studinski * bit 21..22 : Reserved:2 21710590c6aSGidon Studinski * bit 23 : Retry:1 - An indication that the transmission was retried 21810590c6aSGidon Studinski * bit 24..31 : TX-Sector:8 - the antenna sector that was used for 21910590c6aSGidon Studinski * transmission 22010590c6aSGidon Studinski * [dword 3] 22110590c6aSGidon Studinski * bit 0..11 : Sequence number:12 - The Sequence Number that was used 22210590c6aSGidon Studinski * for the MPDU transmission 22310590c6aSGidon Studinski * bit 12..31 : Reserved:20 22410590c6aSGidon Studinski */ 22510590c6aSGidon Studinski struct wil_ring_tx_status { 22610590c6aSGidon Studinski u8 num_descriptors; 22710590c6aSGidon Studinski u8 ring_id; 22810590c6aSGidon Studinski u8 status; 22910590c6aSGidon Studinski u8 desc_ready; /* Only the last bit should be set */ 23010590c6aSGidon Studinski u32 timestamp; 23110590c6aSGidon Studinski u32 d2; 23210590c6aSGidon Studinski u16 seq_number; /* Only the first 12 bits */ 23310590c6aSGidon Studinski u16 w7; 23410590c6aSGidon Studinski } __packed; 23510590c6aSGidon Studinski 23610590c6aSGidon Studinski /* Enhanced Rx status message - compressed part 23710590c6aSGidon Studinski * [dword 0] 23810590c6aSGidon Studinski * bit 0.. 2 : L2 Rx Status:3 - The L2 packet reception Status 23910590c6aSGidon Studinski * 0-Success, 1-MIC Error, 2-Key Error, 3-Replay Error, 24010590c6aSGidon Studinski * 4-A-MSDU Error, 5-Reserved, 6-Reserved, 7-FCS Error 24110590c6aSGidon Studinski * bit 3.. 4 : L3 Rx Status:2 - Bit0 - L3I - L3 identified and checksum 24210590c6aSGidon Studinski * calculated, Bit1- L3Err - IPv4 Checksum Error 24310590c6aSGidon Studinski * bit 5.. 6 : L4 Rx Status:2 - Bit0 - L4I - L4 identified and checksum 24410590c6aSGidon Studinski * calculated, Bit1- L4Err - TCP/UDP Checksum Error 24510590c6aSGidon Studinski * bit 7 : Reserved:1 24610590c6aSGidon Studinski * bit 8..19 : Flow ID:12 - MSDU flow ID 247*18beb61dSDedy Lansky * bit 20 : MID_V:1 - The MAC ID field is valid 248*18beb61dSDedy Lansky * bit 21..22 : MID:2 - The MAC ID 24910590c6aSGidon Studinski * bit 23 : L3T:1 - IP types: 0-IPv6, 1-IPv4 25010590c6aSGidon Studinski * bit 24 : L4T:1 - Layer 4 Type: 0-UDP, 1-TCP 25110590c6aSGidon Studinski * bit 25 : BC:1 - The received MPDU is broadcast 25210590c6aSGidon Studinski * bit 26 : MC:1 - The received MPDU is multicast 25310590c6aSGidon Studinski * bit 27 : Raw:1 - The MPDU received with no translation 25410590c6aSGidon Studinski * bit 28 : Sec:1 - The FC control (b14) - Frame Protected 25510590c6aSGidon Studinski * bit 29 : Error:1 - An error is set when (L2 status != 0) || 25610590c6aSGidon Studinski * (L3 status == 3) || (L4 status == 3) 25710590c6aSGidon Studinski * bit 30 : EOP:1 - End of MSDU signaling. It is set to mark the end 25810590c6aSGidon Studinski * of the transfer, otherwise the status indicates buffer 25910590c6aSGidon Studinski * only completion. 26010590c6aSGidon Studinski * bit 31 : Descriptor Ready bit:1 - It is initiated to 26110590c6aSGidon Studinski * zero by the driver when the ring is created. It is set 26210590c6aSGidon Studinski * by the HW to one for each completed status message. 26310590c6aSGidon Studinski * Each wrap around, the DR bit value is flipped. 26410590c6aSGidon Studinski * [dword 1] 26510590c6aSGidon Studinski * bit 0.. 5 : MAC Len:6 - The number of bytes that are used for L2 header 26610590c6aSGidon Studinski * bit 6..11 : IPLEN:6 - The number of DW that are used for L3 header 26710590c6aSGidon Studinski * bit 12..15 : I4Len:4 - The number of DW that are used for L4 header 26810590c6aSGidon Studinski * bit 16..21 : MCS:6 - The received MCS field from the PLCP Header 26910590c6aSGidon Studinski * bit 22..23 : CB mode:2 - The CB Mode: 0-DMG, 1-EDMG, 2-Wide 27010590c6aSGidon Studinski * bit 24..27 : Data Offset:4 - The data offset, a code that describe the 27110590c6aSGidon Studinski * payload shift from the beginning of the buffer: 27296c93589SGidon Studinski * 0 - 0 Bytes, 3 - 2 Bytes 27310590c6aSGidon Studinski * bit 28 : A-MSDU Present:1 - The QoS (b7) A-MSDU present field 27410590c6aSGidon Studinski * bit 29 : A-MSDU Type:1 The QoS (b8) A-MSDU Type field 27510590c6aSGidon Studinski * bit 30 : A-MPDU:1 - Packet is part of aggregated MPDU 27610590c6aSGidon Studinski * bit 31 : Key ID:1 - The extracted Key ID from the encryption header 27710590c6aSGidon Studinski * [dword 2] 27810590c6aSGidon Studinski * bit 0..15 : Buffer ID:16 - The Buffer Identifier 27910590c6aSGidon Studinski * bit 16..31 : Length:16 - It indicates the valid bytes that are stored 28010590c6aSGidon Studinski * in the current descriptor buffer. For multiple buffer 28110590c6aSGidon Studinski * descriptor, SW need to sum the total descriptor length 28210590c6aSGidon Studinski * in all buffers to produce the packet length 28310590c6aSGidon Studinski * [dword 3] 28410590c6aSGidon Studinski * bit 0..31 : timestamp:32 - The MPDU Timestamp. 28510590c6aSGidon Studinski */ 28610590c6aSGidon Studinski struct wil_rx_status_compressed { 28710590c6aSGidon Studinski u32 d0; 28810590c6aSGidon Studinski u32 d1; 28910590c6aSGidon Studinski __le16 buff_id; 29010590c6aSGidon Studinski __le16 length; 29110590c6aSGidon Studinski u32 timestamp; 29210590c6aSGidon Studinski } __packed; 29310590c6aSGidon Studinski 29410590c6aSGidon Studinski /* Enhanced Rx status message - extension part 29510590c6aSGidon Studinski * [dword 0] 29610590c6aSGidon Studinski * bit 0.. 4 : QID:5 - The Queue Identifier that the packet is received 29710590c6aSGidon Studinski * from 29810590c6aSGidon Studinski * bit 5.. 7 : Reserved:3 29910590c6aSGidon Studinski * bit 8..11 : TID:4 - The QoS (b3-0) TID Field 30010590c6aSGidon Studinski * bit 12..15 Source index:4 - The Source index that was found 30110590c6aSGidon Studinski during Parsing the TA. This field is used to define the 30210590c6aSGidon Studinski source of the packet 30310590c6aSGidon Studinski * bit 16..18 : Destination index:3 - The Destination index that 30410590c6aSGidon Studinski was found during Parsing the RA. 30510590c6aSGidon Studinski * bit 19..20 : DS Type:2 - The FC Control (b9-8) - From / To DS 30610590c6aSGidon Studinski * bit 21..22 : MIC ICR:2 - this signal tells the DMA to assert an 30710590c6aSGidon Studinski interrupt after it writes the packet 30810590c6aSGidon Studinski * bit 23 : ESOP:1 - The QoS (b4) ESOP field 30910590c6aSGidon Studinski * bit 24 : RDG:1 31010590c6aSGidon Studinski * bit 25..31 : Reserved:7 31110590c6aSGidon Studinski * [dword 1] 31210590c6aSGidon Studinski * bit 0.. 1 : Frame Type:2 - The FC Control (b3-2) - MPDU Type 31310590c6aSGidon Studinski (management, data, control and extension) 31410590c6aSGidon Studinski * bit 2.. 5 : Syb type:4 - The FC Control (b7-4) - Frame Subtype 31510590c6aSGidon Studinski * bit 6..11 : Ext sub type:6 - The FC Control (b11-8) - Frame Extended 31610590c6aSGidon Studinski * Subtype 31710590c6aSGidon Studinski * bit 12..13 : ACK Policy:2 - The QoS (b6-5) ACK Policy fields 31810590c6aSGidon Studinski * bit 14 : DECRYPT_BYP:1 - The MPDU is bypass by the decryption unit 31910590c6aSGidon Studinski * bit 15..23 : Reserved:9 32010590c6aSGidon Studinski * bit 24..31 : RSSI/SNR:8 - The RSSI / SNR measurement for the received 32110590c6aSGidon Studinski * MPDU 32210590c6aSGidon Studinski * [dword 2] 32310590c6aSGidon Studinski * bit 0..11 : SN:12 - The received Sequence number field 32410590c6aSGidon Studinski * bit 12..15 : Reserved:4 32510590c6aSGidon Studinski * bit 16..31 : PN bits [15:0]:16 32610590c6aSGidon Studinski * [dword 3] 32710590c6aSGidon Studinski * bit 0..31 : PN bits [47:16]:32 32810590c6aSGidon Studinski */ 32910590c6aSGidon Studinski struct wil_rx_status_extension { 33010590c6aSGidon Studinski u32 d0; 33110590c6aSGidon Studinski u32 d1; 33210590c6aSGidon Studinski __le16 seq_num; /* only lower 12 bits */ 33310590c6aSGidon Studinski u16 pn_15_0; 33410590c6aSGidon Studinski u32 pn_47_16; 33510590c6aSGidon Studinski } __packed; 33610590c6aSGidon Studinski 33710590c6aSGidon Studinski struct wil_rx_status_extended { 33810590c6aSGidon Studinski struct wil_rx_status_compressed comp; 33910590c6aSGidon Studinski struct wil_rx_status_extension ext; 3409202d7b6SMaya Erez } __packed; 3419202d7b6SMaya Erez 3427be13fc3SGidon Studinski static inline void *wil_skb_rxstatus(struct sk_buff *skb) 3437be13fc3SGidon Studinski { 3447be13fc3SGidon Studinski return (void *)skb->cb; 3457be13fc3SGidon Studinski } 3467be13fc3SGidon Studinski 3477be13fc3SGidon Studinski static inline __le16 wil_rx_status_get_length(void *msg) 3487be13fc3SGidon Studinski { 3497be13fc3SGidon Studinski return ((struct wil_rx_status_compressed *)msg)->length; 3507be13fc3SGidon Studinski } 3517be13fc3SGidon Studinski 3527be13fc3SGidon Studinski static inline u8 wil_rx_status_get_mcs(void *msg) 3537be13fc3SGidon Studinski { 3547be13fc3SGidon Studinski return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d1, 3557be13fc3SGidon Studinski 16, 21); 3567be13fc3SGidon Studinski } 3577be13fc3SGidon Studinski 3589abe3e30SAlexei Avshalom Lazar static inline u8 wil_rx_status_get_cb_mode(void *msg) 3599abe3e30SAlexei Avshalom Lazar { 3609abe3e30SAlexei Avshalom Lazar return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d1, 3619abe3e30SAlexei Avshalom Lazar 22, 23); 3629abe3e30SAlexei Avshalom Lazar } 3639abe3e30SAlexei Avshalom Lazar 3647be13fc3SGidon Studinski static inline u16 wil_rx_status_get_flow_id(void *msg) 3657be13fc3SGidon Studinski { 3667be13fc3SGidon Studinski return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, 3677be13fc3SGidon Studinski 8, 19); 3687be13fc3SGidon Studinski } 3697be13fc3SGidon Studinski 3707be13fc3SGidon Studinski static inline u8 wil_rx_status_get_mcast(void *msg) 3717be13fc3SGidon Studinski { 3727be13fc3SGidon Studinski return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, 3737be13fc3SGidon Studinski 26, 26); 3747be13fc3SGidon Studinski } 3757be13fc3SGidon Studinski 3767be13fc3SGidon Studinski /** 3777be13fc3SGidon Studinski * In case of DLPF miss the parsing of flow Id should be as follows: 3787be13fc3SGidon Studinski * dest_id:2 3797be13fc3SGidon Studinski * src_id :3 - cid 3807be13fc3SGidon Studinski * tid:3 3817be13fc3SGidon Studinski * Otherwise: 3827be13fc3SGidon Studinski * tid:4 3837be13fc3SGidon Studinski * cid:4 3847be13fc3SGidon Studinski */ 3857be13fc3SGidon Studinski 3867be13fc3SGidon Studinski static inline u8 wil_rx_status_get_cid(void *msg) 3877be13fc3SGidon Studinski { 3887be13fc3SGidon Studinski u16 val = wil_rx_status_get_flow_id(msg); 3897be13fc3SGidon Studinski 3907be13fc3SGidon Studinski if (val & WIL_RX_EDMA_DLPF_LU_MISS_BIT) 3917be13fc3SGidon Studinski /* CID is in bits 2..4 */ 3927be13fc3SGidon Studinski return (val >> WIL_RX_EDMA_DLPF_LU_MISS_CID_POS) & 3937be13fc3SGidon Studinski WIL_RX_EDMA_DLPF_LU_MISS_CID_TID_MASK; 3947be13fc3SGidon Studinski else 3957be13fc3SGidon Studinski /* CID is in bits 4..7 */ 3967be13fc3SGidon Studinski return (val >> WIL_RX_EDMA_DLPF_LU_HIT_CID_POS) & 3977be13fc3SGidon Studinski WIL_RX_EDMA_DLPF_LU_HIT_CID_TID_MASK; 3987be13fc3SGidon Studinski } 3997be13fc3SGidon Studinski 4007be13fc3SGidon Studinski static inline u8 wil_rx_status_get_tid(void *msg) 4017be13fc3SGidon Studinski { 4027be13fc3SGidon Studinski u16 val = wil_rx_status_get_flow_id(msg); 4037be13fc3SGidon Studinski 4047be13fc3SGidon Studinski if (val & WIL_RX_EDMA_DLPF_LU_MISS_BIT) 4057be13fc3SGidon Studinski /* TID is in bits 5..7 */ 4067be13fc3SGidon Studinski return (val >> WIL_RX_EDMA_DLPF_LU_MISS_TID_POS) & 4077be13fc3SGidon Studinski WIL_RX_EDMA_DLPF_LU_MISS_CID_TID_MASK; 4087be13fc3SGidon Studinski else 4097be13fc3SGidon Studinski /* TID is in bits 0..3 */ 4107be13fc3SGidon Studinski return val & WIL_RX_EDMA_DLPF_LU_MISS_CID_TID_MASK; 4117be13fc3SGidon Studinski } 4127be13fc3SGidon Studinski 4137be13fc3SGidon Studinski static inline int wil_rx_status_get_eop(void *msg) /* EoP = End of Packet */ 4147be13fc3SGidon Studinski { 4157be13fc3SGidon Studinski return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, 4167be13fc3SGidon Studinski 30, 30); 4177be13fc3SGidon Studinski } 4187be13fc3SGidon Studinski 419b4a967b7SMaya Erez static inline void wil_rx_status_reset_buff_id(struct wil_status_ring *s) 420b4a967b7SMaya Erez { 421b4a967b7SMaya Erez ((struct wil_rx_status_compressed *) 422b4a967b7SMaya Erez (s->va + (s->elem_size * s->swhead)))->buff_id = 0; 423b4a967b7SMaya Erez } 424b4a967b7SMaya Erez 4257be13fc3SGidon Studinski static inline __le16 wil_rx_status_get_buff_id(void *msg) 4267be13fc3SGidon Studinski { 4277be13fc3SGidon Studinski return ((struct wil_rx_status_compressed *)msg)->buff_id; 4287be13fc3SGidon Studinski } 4297be13fc3SGidon Studinski 4307be13fc3SGidon Studinski static inline u8 wil_rx_status_get_data_offset(void *msg) 4317be13fc3SGidon Studinski { 4327be13fc3SGidon Studinski u8 val = WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d1, 4337be13fc3SGidon Studinski 24, 27); 4347be13fc3SGidon Studinski 4357be13fc3SGidon Studinski switch (val) { 4367be13fc3SGidon Studinski case 0: return 0; 4377be13fc3SGidon Studinski case 3: return 2; 4387be13fc3SGidon Studinski default: return 0xFF; 4397be13fc3SGidon Studinski } 4407be13fc3SGidon Studinski } 4417be13fc3SGidon Studinski 4427be13fc3SGidon Studinski static inline int wil_rx_status_get_frame_type(struct wil6210_priv *wil, 4437be13fc3SGidon Studinski void *msg) 4447be13fc3SGidon Studinski { 4457be13fc3SGidon Studinski if (wil->use_compressed_rx_status) 4467be13fc3SGidon Studinski return IEEE80211_FTYPE_DATA; 4477be13fc3SGidon Studinski 4487be13fc3SGidon Studinski return WIL_GET_BITS(((struct wil_rx_status_extended *)msg)->ext.d1, 4497be13fc3SGidon Studinski 0, 1) << 2; 4507be13fc3SGidon Studinski } 4517be13fc3SGidon Studinski 4527be13fc3SGidon Studinski static inline int wil_rx_status_get_fc1(struct wil6210_priv *wil, void *msg) 4537be13fc3SGidon Studinski { 4547be13fc3SGidon Studinski if (wil->use_compressed_rx_status) 4557be13fc3SGidon Studinski return 0; 4567be13fc3SGidon Studinski 4577be13fc3SGidon Studinski return WIL_GET_BITS(((struct wil_rx_status_extended *)msg)->ext.d1, 4587be13fc3SGidon Studinski 0, 5) << 2; 4597be13fc3SGidon Studinski } 4607be13fc3SGidon Studinski 4617be13fc3SGidon Studinski static inline __le16 wil_rx_status_get_seq(struct wil6210_priv *wil, void *msg) 4627be13fc3SGidon Studinski { 4637be13fc3SGidon Studinski if (wil->use_compressed_rx_status) 4647be13fc3SGidon Studinski return 0; 4657be13fc3SGidon Studinski 4667be13fc3SGidon Studinski return ((struct wil_rx_status_extended *)msg)->ext.seq_num; 4677be13fc3SGidon Studinski } 4687be13fc3SGidon Studinski 4691bd82ee0SDedy Lansky static inline u8 wil_rx_status_get_retry(void *msg) 4701bd82ee0SDedy Lansky { 4711bd82ee0SDedy Lansky /* retry bit is missing in EDMA HW. return 1 to be on the safe side */ 4721bd82ee0SDedy Lansky return 1; 4731bd82ee0SDedy Lansky } 4741bd82ee0SDedy Lansky 4757be13fc3SGidon Studinski static inline int wil_rx_status_get_mid(void *msg) 4767be13fc3SGidon Studinski { 4777be13fc3SGidon Studinski if (!(((struct wil_rx_status_compressed *)msg)->d0 & 4787be13fc3SGidon Studinski WIL_RX_EDMA_MID_VALID_BIT)) 4797be13fc3SGidon Studinski return 0; /* use the default MID */ 4807be13fc3SGidon Studinski 4817be13fc3SGidon Studinski return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, 482*18beb61dSDedy Lansky 21, 22); 4837be13fc3SGidon Studinski } 4847be13fc3SGidon Studinski 4857be13fc3SGidon Studinski static inline int wil_rx_status_get_error(void *msg) 4867be13fc3SGidon Studinski { 4877be13fc3SGidon Studinski return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, 4887be13fc3SGidon Studinski 29, 29); 4897be13fc3SGidon Studinski } 4907be13fc3SGidon Studinski 4917be13fc3SGidon Studinski static inline int wil_rx_status_get_l2_rx_status(void *msg) 4927be13fc3SGidon Studinski { 4937be13fc3SGidon Studinski return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, 4947be13fc3SGidon Studinski 0, 2); 4957be13fc3SGidon Studinski } 4967be13fc3SGidon Studinski 4977be13fc3SGidon Studinski static inline int wil_rx_status_get_l3_rx_status(void *msg) 4987be13fc3SGidon Studinski { 4997be13fc3SGidon Studinski return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, 5007be13fc3SGidon Studinski 3, 4); 5017be13fc3SGidon Studinski } 5027be13fc3SGidon Studinski 5037be13fc3SGidon Studinski static inline int wil_rx_status_get_l4_rx_status(void *msg) 5047be13fc3SGidon Studinski { 5057be13fc3SGidon Studinski return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, 5067be13fc3SGidon Studinski 5, 6); 5077be13fc3SGidon Studinski } 5087be13fc3SGidon Studinski 5094bf01986SAhmad Masri /* L4 L3 Expected result 5104bf01986SAhmad Masri * 0 0 Ok. No L3 and no L4 known protocols found. 5114bf01986SAhmad Masri * Treated as L2 packet. (no offloads on this packet) 5124bf01986SAhmad Masri * 0 1 Ok. It means that L3 was found, and checksum check passed. 5134bf01986SAhmad Masri * No known L4 protocol was found. 5144bf01986SAhmad Masri * 0 2 It means that L3 protocol was found, and checksum check failed. 5154bf01986SAhmad Masri * No L4 known protocol was found. 5164bf01986SAhmad Masri * 1 any Ok. It means that L4 was found, and checksum check passed. 5174bf01986SAhmad Masri * 3 0 Not a possible scenario. 5184bf01986SAhmad Masri * 3 1 Recalculate. It means that L3 protocol was found, and checksum 5194bf01986SAhmad Masri * passed. But L4 checksum failed. Need to see if really failed, 5204bf01986SAhmad Masri * or due to fragmentation. 5214bf01986SAhmad Masri * 3 2 Both L3 and L4 checksum check failed. 5224bf01986SAhmad Masri */ 5234bf01986SAhmad Masri static inline int wil_rx_status_get_checksum(void *msg, 5244bf01986SAhmad Masri struct wil_net_stats *stats) 5254bf01986SAhmad Masri { 5264bf01986SAhmad Masri int l3_rx_status = wil_rx_status_get_l3_rx_status(msg); 5274bf01986SAhmad Masri int l4_rx_status = wil_rx_status_get_l4_rx_status(msg); 5284bf01986SAhmad Masri 5294bf01986SAhmad Masri if (l4_rx_status == 1) 5304bf01986SAhmad Masri return CHECKSUM_UNNECESSARY; 5314bf01986SAhmad Masri 5324bf01986SAhmad Masri if (l4_rx_status == 0 && l3_rx_status == 1) 5334bf01986SAhmad Masri return CHECKSUM_UNNECESSARY; 5344bf01986SAhmad Masri 5354bf01986SAhmad Masri if (l3_rx_status == 0 && l4_rx_status == 0) 5364bf01986SAhmad Masri /* L2 packet */ 5374bf01986SAhmad Masri return CHECKSUM_NONE; 5384bf01986SAhmad Masri 5394bf01986SAhmad Masri /* If HW reports bad checksum, let IP stack re-check it 5404bf01986SAhmad Masri * For example, HW doesn't understand Microsoft IP stack that 5414bf01986SAhmad Masri * mis-calculates TCP checksum - if it should be 0x0, 5424bf01986SAhmad Masri * it writes 0xffff in violation of RFC 1624 5434bf01986SAhmad Masri */ 5444bf01986SAhmad Masri stats->rx_csum_err++; 5454bf01986SAhmad Masri return CHECKSUM_NONE; 5464bf01986SAhmad Masri } 5474bf01986SAhmad Masri 5487be13fc3SGidon Studinski static inline int wil_rx_status_get_security(void *msg) 5497be13fc3SGidon Studinski { 5507be13fc3SGidon Studinski return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, 5517be13fc3SGidon Studinski 28, 28); 5527be13fc3SGidon Studinski } 5537be13fc3SGidon Studinski 5547be13fc3SGidon Studinski static inline u8 wil_rx_status_get_key_id(void *msg) 5557be13fc3SGidon Studinski { 5567be13fc3SGidon Studinski return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d1, 5577be13fc3SGidon Studinski 31, 31); 5587be13fc3SGidon Studinski } 5597be13fc3SGidon Studinski 5609202d7b6SMaya Erez static inline u8 wil_tx_status_get_mcs(struct wil_ring_tx_status *msg) 5619202d7b6SMaya Erez { 5629202d7b6SMaya Erez return WIL_GET_BITS(msg->d2, 0, 4); 5639202d7b6SMaya Erez } 56410590c6aSGidon Studinski 56596c93589SGidon Studinski static inline u32 wil_ring_next_head(struct wil_ring *ring) 56696c93589SGidon Studinski { 56796c93589SGidon Studinski return (ring->swhead + 1) % ring->size; 56896c93589SGidon Studinski } 56996c93589SGidon Studinski 57096c93589SGidon Studinski static inline void wil_desc_set_addr_edma(struct wil_ring_dma_addr *addr, 57196c93589SGidon Studinski __le16 *addr_high_high, 57296c93589SGidon Studinski dma_addr_t pa) 57396c93589SGidon Studinski { 57496c93589SGidon Studinski addr->addr_low = cpu_to_le32(lower_32_bits(pa)); 57596c93589SGidon Studinski addr->addr_high = cpu_to_le16((u16)upper_32_bits(pa)); 57696c93589SGidon Studinski *addr_high_high = cpu_to_le16((u16)(upper_32_bits(pa) >> 16)); 57796c93589SGidon Studinski } 57896c93589SGidon Studinski 57996c93589SGidon Studinski static inline 58096c93589SGidon Studinski dma_addr_t wil_tx_desc_get_addr_edma(struct wil_ring_tx_enhanced_dma *dma) 58196c93589SGidon Studinski { 58296c93589SGidon Studinski return le32_to_cpu(dma->addr.addr_low) | 58396c93589SGidon Studinski ((u64)le16_to_cpu(dma->addr.addr_high) << 32) | 58496c93589SGidon Studinski ((u64)le16_to_cpu(dma->addr_high_high) << 48); 58596c93589SGidon Studinski } 58696c93589SGidon Studinski 58796c93589SGidon Studinski static inline 58896c93589SGidon Studinski dma_addr_t wil_rx_desc_get_addr_edma(struct wil_ring_rx_enhanced_dma *dma) 58996c93589SGidon Studinski { 59096c93589SGidon Studinski return le32_to_cpu(dma->addr.addr_low) | 59196c93589SGidon Studinski ((u64)le16_to_cpu(dma->addr.addr_high) << 32) | 59296c93589SGidon Studinski ((u64)le16_to_cpu(dma->addr_high_high) << 48); 59396c93589SGidon Studinski } 59496c93589SGidon Studinski 59596c93589SGidon Studinski void wil_configure_interrupt_moderation_edma(struct wil6210_priv *wil); 5969202d7b6SMaya Erez int wil_tx_sring_handler(struct wil6210_priv *wil, 5979202d7b6SMaya Erez struct wil_status_ring *sring); 5987be13fc3SGidon Studinski void wil_rx_handle_edma(struct wil6210_priv *wil, int *quota); 59996c93589SGidon Studinski void wil_init_txrx_ops_edma(struct wil6210_priv *wil); 60096c93589SGidon Studinski 60110590c6aSGidon Studinski #endif /* WIL6210_TXRX_EDMA_H */ 60210590c6aSGidon Studinski 603