162306a36Sopenharmony_ci/* SPDX-License-Identifier: ISC */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright (c) 2012-2016,2018-2019, The Linux Foundation. All rights reserved. 462306a36Sopenharmony_ci */ 562306a36Sopenharmony_ci 662306a36Sopenharmony_ci#ifndef WIL6210_TXRX_EDMA_H 762306a36Sopenharmony_ci#define WIL6210_TXRX_EDMA_H 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci#include "wil6210.h" 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci/* limit status ring size in range [ring size..max ring size] */ 1262306a36Sopenharmony_ci#define WIL_SRING_SIZE_ORDER_MIN (WIL_RING_SIZE_ORDER_MIN) 1362306a36Sopenharmony_ci#define WIL_SRING_SIZE_ORDER_MAX (WIL_RING_SIZE_ORDER_MAX) 1462306a36Sopenharmony_ci/* RX sring order should be bigger than RX ring order */ 1562306a36Sopenharmony_ci#define WIL_RX_SRING_SIZE_ORDER_DEFAULT (12) 1662306a36Sopenharmony_ci#define WIL_TX_SRING_SIZE_ORDER_DEFAULT (14) 1762306a36Sopenharmony_ci#define WIL_RX_BUFF_ARR_SIZE_DEFAULT (2600) 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_ci#define WIL_DEFAULT_RX_STATUS_RING_ID 0 2062306a36Sopenharmony_ci#define WIL_RX_DESC_RING_ID 0 2162306a36Sopenharmony_ci#define WIL_RX_STATUS_IRQ_IDX 0 2262306a36Sopenharmony_ci#define WIL_TX_STATUS_IRQ_IDX 1 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_ci#define WIL_EDMA_AGG_WATERMARK (0xffff) 2562306a36Sopenharmony_ci#define WIL_EDMA_AGG_WATERMARK_POS (16) 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_ci#define WIL_EDMA_IDLE_TIME_LIMIT_USEC (50) 2862306a36Sopenharmony_ci#define WIL_EDMA_TIME_UNIT_CLK_CYCLES (330) /* fits 1 usec */ 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_ci/* Error field */ 3162306a36Sopenharmony_ci#define WIL_RX_EDMA_ERROR_MIC (1) 3262306a36Sopenharmony_ci#define WIL_RX_EDMA_ERROR_KEY (2) /* Key missing */ 3362306a36Sopenharmony_ci#define WIL_RX_EDMA_ERROR_REPLAY (3) 3462306a36Sopenharmony_ci#define WIL_RX_EDMA_ERROR_AMSDU (4) 3562306a36Sopenharmony_ci#define WIL_RX_EDMA_ERROR_FCS (7) 3662306a36Sopenharmony_ci 3762306a36Sopenharmony_ci#define WIL_RX_EDMA_ERROR_L3_ERR (BIT(0) | BIT(1)) 3862306a36Sopenharmony_ci#define WIL_RX_EDMA_ERROR_L4_ERR (BIT(0) | BIT(1)) 3962306a36Sopenharmony_ci 4062306a36Sopenharmony_ci#define WIL_RX_EDMA_DLPF_LU_MISS_BIT BIT(11) 4162306a36Sopenharmony_ci#define WIL_RX_EDMA_DLPF_LU_MISS_CID_TID_MASK 0x7 4262306a36Sopenharmony_ci#define WIL_RX_EDMA_DLPF_LU_HIT_CID_TID_MASK 0xf 4362306a36Sopenharmony_ci 4462306a36Sopenharmony_ci#define WIL_RX_EDMA_DLPF_LU_MISS_CID_POS 2 4562306a36Sopenharmony_ci#define WIL_RX_EDMA_DLPF_LU_HIT_CID_POS 4 4662306a36Sopenharmony_ci 4762306a36Sopenharmony_ci#define WIL_RX_EDMA_DLPF_LU_MISS_TID_POS 5 4862306a36Sopenharmony_ci 4962306a36Sopenharmony_ci#define WIL_RX_EDMA_MID_VALID_BIT BIT(20) 5062306a36Sopenharmony_ci 5162306a36Sopenharmony_ci#define WIL_EDMA_DESC_TX_MAC_CFG_0_QID_POS 16 5262306a36Sopenharmony_ci#define WIL_EDMA_DESC_TX_MAC_CFG_0_QID_LEN 6 5362306a36Sopenharmony_ci 5462306a36Sopenharmony_ci#define WIL_EDMA_DESC_TX_CFG_EOP_POS 0 5562306a36Sopenharmony_ci#define WIL_EDMA_DESC_TX_CFG_EOP_LEN 1 5662306a36Sopenharmony_ci 5762306a36Sopenharmony_ci#define WIL_EDMA_DESC_TX_CFG_TSO_DESC_TYPE_POS 3 5862306a36Sopenharmony_ci#define WIL_EDMA_DESC_TX_CFG_TSO_DESC_TYPE_LEN 2 5962306a36Sopenharmony_ci 6062306a36Sopenharmony_ci#define WIL_EDMA_DESC_TX_CFG_SEG_EN_POS 5 6162306a36Sopenharmony_ci#define WIL_EDMA_DESC_TX_CFG_SEG_EN_LEN 1 6262306a36Sopenharmony_ci 6362306a36Sopenharmony_ci#define WIL_EDMA_DESC_TX_CFG_INSERT_IP_CHKSUM_POS 6 6462306a36Sopenharmony_ci#define WIL_EDMA_DESC_TX_CFG_INSERT_IP_CHKSUM_LEN 1 6562306a36Sopenharmony_ci 6662306a36Sopenharmony_ci#define WIL_EDMA_DESC_TX_CFG_INSERT_TCP_CHKSUM_POS 7 6762306a36Sopenharmony_ci#define WIL_EDMA_DESC_TX_CFG_INSERT_TCP_CHKSUM_LEN 1 6862306a36Sopenharmony_ci 6962306a36Sopenharmony_ci#define WIL_EDMA_DESC_TX_CFG_L4_TYPE_POS 15 7062306a36Sopenharmony_ci#define WIL_EDMA_DESC_TX_CFG_L4_TYPE_LEN 1 7162306a36Sopenharmony_ci 7262306a36Sopenharmony_ci#define WIL_EDMA_DESC_TX_CFG_PSEUDO_HEADER_CALC_EN_POS 5 7362306a36Sopenharmony_ci#define WIL_EDMA_DESC_TX_CFG_PSEUDO_HEADER_CALC_EN_LEN 1 7462306a36Sopenharmony_ci 7562306a36Sopenharmony_ci/* Enhanced Rx descriptor - MAC part 7662306a36Sopenharmony_ci * [dword 0] : Reserved 7762306a36Sopenharmony_ci * [dword 1] : Reserved 7862306a36Sopenharmony_ci * [dword 2] : Reserved 7962306a36Sopenharmony_ci * [dword 3] 8062306a36Sopenharmony_ci * bit 0..15 : Buffer ID 8162306a36Sopenharmony_ci * bit 16..31 : Reserved 8262306a36Sopenharmony_ci */ 8362306a36Sopenharmony_cistruct wil_ring_rx_enhanced_mac { 8462306a36Sopenharmony_ci u32 d[3]; 8562306a36Sopenharmony_ci __le16 buff_id; 8662306a36Sopenharmony_ci u16 reserved; 8762306a36Sopenharmony_ci} __packed; 8862306a36Sopenharmony_ci 8962306a36Sopenharmony_ci/* Enhanced Rx descriptor - DMA part 9062306a36Sopenharmony_ci * [dword 0] - Reserved 9162306a36Sopenharmony_ci * [dword 1] 9262306a36Sopenharmony_ci * bit 0..31 : addr_low:32 The payload buffer address, bits 0-31 9362306a36Sopenharmony_ci * [dword 2] 9462306a36Sopenharmony_ci * bit 0..15 : addr_high_low:16 The payload buffer address, bits 32-47 9562306a36Sopenharmony_ci * bit 16..31 : Reserved 9662306a36Sopenharmony_ci * [dword 3] 9762306a36Sopenharmony_ci * bit 0..15 : addr_high_high:16 The payload buffer address, bits 48-63 9862306a36Sopenharmony_ci * bit 16..31 : length 9962306a36Sopenharmony_ci */ 10062306a36Sopenharmony_cistruct wil_ring_rx_enhanced_dma { 10162306a36Sopenharmony_ci u32 d0; 10262306a36Sopenharmony_ci struct wil_ring_dma_addr addr; 10362306a36Sopenharmony_ci u16 w5; 10462306a36Sopenharmony_ci __le16 addr_high_high; 10562306a36Sopenharmony_ci __le16 length; 10662306a36Sopenharmony_ci} __packed; 10762306a36Sopenharmony_ci 10862306a36Sopenharmony_cistruct wil_rx_enhanced_desc { 10962306a36Sopenharmony_ci struct wil_ring_rx_enhanced_mac mac; 11062306a36Sopenharmony_ci struct wil_ring_rx_enhanced_dma dma; 11162306a36Sopenharmony_ci} __packed; 11262306a36Sopenharmony_ci 11362306a36Sopenharmony_ci/* Enhanced Tx descriptor - DMA part 11462306a36Sopenharmony_ci * [dword 0] 11562306a36Sopenharmony_ci * Same as legacy 11662306a36Sopenharmony_ci * [dword 1] 11762306a36Sopenharmony_ci * bit 0..31 : addr_low:32 The payload buffer address, bits 0-31 11862306a36Sopenharmony_ci * [dword 2] 11962306a36Sopenharmony_ci * bit 0..15 : addr_high_low:16 The payload buffer address, bits 32-47 12062306a36Sopenharmony_ci * bit 16..23 : ip_length:8 The IP header length for the TX IP checksum 12162306a36Sopenharmony_ci * offload feature 12262306a36Sopenharmony_ci * bit 24..30 : mac_length:7 12362306a36Sopenharmony_ci * bit 31 : ip_version:1 1 - IPv4, 0 - IPv6 12462306a36Sopenharmony_ci * [dword 3] 12562306a36Sopenharmony_ci * bit 0..15 : addr_high_high:16 The payload buffer address, bits 48-63 12662306a36Sopenharmony_ci * bit 16..31 : length 12762306a36Sopenharmony_ci */ 12862306a36Sopenharmony_cistruct wil_ring_tx_enhanced_dma { 12962306a36Sopenharmony_ci u8 l4_hdr_len; 13062306a36Sopenharmony_ci u8 cmd; 13162306a36Sopenharmony_ci u16 w1; 13262306a36Sopenharmony_ci struct wil_ring_dma_addr addr; 13362306a36Sopenharmony_ci u8 ip_length; 13462306a36Sopenharmony_ci u8 b11; /* 0..6: mac_length; 7:ip_version */ 13562306a36Sopenharmony_ci __le16 addr_high_high; 13662306a36Sopenharmony_ci __le16 length; 13762306a36Sopenharmony_ci} __packed; 13862306a36Sopenharmony_ci 13962306a36Sopenharmony_ci/* Enhanced Tx descriptor - MAC part 14062306a36Sopenharmony_ci * [dword 0] 14162306a36Sopenharmony_ci * bit 0.. 9 : lifetime_expiry_value:10 14262306a36Sopenharmony_ci * bit 10 : interrupt_en:1 14362306a36Sopenharmony_ci * bit 11 : status_en:1 14462306a36Sopenharmony_ci * bit 12..13 : txss_override:2 14562306a36Sopenharmony_ci * bit 14 : timestamp_insertion:1 14662306a36Sopenharmony_ci * bit 15 : duration_preserve:1 14762306a36Sopenharmony_ci * bit 16..21 : reserved0:6 14862306a36Sopenharmony_ci * bit 22..26 : mcs_index:5 14962306a36Sopenharmony_ci * bit 27 : mcs_en:1 15062306a36Sopenharmony_ci * bit 28..30 : reserved1:3 15162306a36Sopenharmony_ci * bit 31 : sn_preserved:1 15262306a36Sopenharmony_ci * [dword 1] 15362306a36Sopenharmony_ci * bit 0.. 3 : pkt_mode:4 15462306a36Sopenharmony_ci * bit 4 : pkt_mode_en:1 15562306a36Sopenharmony_ci * bit 5..14 : reserved0:10 15662306a36Sopenharmony_ci * bit 15 : ack_policy_en:1 15762306a36Sopenharmony_ci * bit 16..19 : dst_index:4 15862306a36Sopenharmony_ci * bit 20 : dst_index_en:1 15962306a36Sopenharmony_ci * bit 21..22 : ack_policy:2 16062306a36Sopenharmony_ci * bit 23 : lifetime_en:1 16162306a36Sopenharmony_ci * bit 24..30 : max_retry:7 16262306a36Sopenharmony_ci * bit 31 : max_retry_en:1 16362306a36Sopenharmony_ci * [dword 2] 16462306a36Sopenharmony_ci * bit 0.. 7 : num_of_descriptors:8 16562306a36Sopenharmony_ci * bit 8..17 : reserved:10 16662306a36Sopenharmony_ci * bit 18..19 : l2_translation_type:2 00 - bypass, 01 - 802.3, 10 - 802.11 16762306a36Sopenharmony_ci * bit 20 : snap_hdr_insertion_en:1 16862306a36Sopenharmony_ci * bit 21 : vlan_removal_en:1 16962306a36Sopenharmony_ci * bit 22..23 : reserved0:2 17062306a36Sopenharmony_ci * bit 24 : Dest ID extension:1 17162306a36Sopenharmony_ci * bit 25..31 : reserved0:7 17262306a36Sopenharmony_ci * [dword 3] 17362306a36Sopenharmony_ci * bit 0..15 : tso_mss:16 17462306a36Sopenharmony_ci * bit 16..31 : descriptor_scratchpad:16 - mailbox between driver and ucode 17562306a36Sopenharmony_ci */ 17662306a36Sopenharmony_cistruct wil_ring_tx_enhanced_mac { 17762306a36Sopenharmony_ci u32 d[3]; 17862306a36Sopenharmony_ci __le16 tso_mss; 17962306a36Sopenharmony_ci u16 scratchpad; 18062306a36Sopenharmony_ci} __packed; 18162306a36Sopenharmony_ci 18262306a36Sopenharmony_cistruct wil_tx_enhanced_desc { 18362306a36Sopenharmony_ci struct wil_ring_tx_enhanced_mac mac; 18462306a36Sopenharmony_ci struct wil_ring_tx_enhanced_dma dma; 18562306a36Sopenharmony_ci} __packed; 18662306a36Sopenharmony_ci 18762306a36Sopenharmony_ci#define TX_STATUS_DESC_READY_POS 7 18862306a36Sopenharmony_ci 18962306a36Sopenharmony_ci/* Enhanced TX status message 19062306a36Sopenharmony_ci * [dword 0] 19162306a36Sopenharmony_ci * bit 0.. 7 : Number of Descriptor:8 - The number of descriptors that 19262306a36Sopenharmony_ci * are used to form the packets. It is needed for WB when 19362306a36Sopenharmony_ci * releasing the packet 19462306a36Sopenharmony_ci * bit 8..15 : tx_ring_id:8 The transmission ring ID that is related to 19562306a36Sopenharmony_ci * the message 19662306a36Sopenharmony_ci * bit 16..23 : Status:8 - The TX status Code 19762306a36Sopenharmony_ci * 0x0 - A successful transmission 19862306a36Sopenharmony_ci * 0x1 - Retry expired 19962306a36Sopenharmony_ci * 0x2 - Lifetime Expired 20062306a36Sopenharmony_ci * 0x3 - Released 20162306a36Sopenharmony_ci * 0x4-0xFF - Reserved 20262306a36Sopenharmony_ci * bit 24..30 : Reserved:7 20362306a36Sopenharmony_ci * bit 31 : Descriptor Ready bit:1 - It is initiated to 20462306a36Sopenharmony_ci * zero by the driver when the ring is created. It is set by the HW 20562306a36Sopenharmony_ci * to one for each completed status message. Each wrap around, 20662306a36Sopenharmony_ci * the DR bit value is flipped. 20762306a36Sopenharmony_ci * [dword 1] 20862306a36Sopenharmony_ci * bit 0..31 : timestamp:32 - Set when MPDU is transmitted. 20962306a36Sopenharmony_ci * [dword 2] 21062306a36Sopenharmony_ci * bit 0.. 4 : MCS:5 - The transmitted MCS value 21162306a36Sopenharmony_ci * bit 5 : Reserved:1 21262306a36Sopenharmony_ci * bit 6.. 7 : CB mode:2 - 0-DMG 1-EDMG 2-Wide 21362306a36Sopenharmony_ci * bit 8..12 : QID:5 - The QID that was used for the transmission 21462306a36Sopenharmony_ci * bit 13..15 : Reserved:3 21562306a36Sopenharmony_ci * bit 16..20 : Num of MSDUs:5 - Number of MSDUs in the aggregation 21662306a36Sopenharmony_ci * bit 21..22 : Reserved:2 21762306a36Sopenharmony_ci * bit 23 : Retry:1 - An indication that the transmission was retried 21862306a36Sopenharmony_ci * bit 24..31 : TX-Sector:8 - the antenna sector that was used for 21962306a36Sopenharmony_ci * transmission 22062306a36Sopenharmony_ci * [dword 3] 22162306a36Sopenharmony_ci * bit 0..11 : Sequence number:12 - The Sequence Number that was used 22262306a36Sopenharmony_ci * for the MPDU transmission 22362306a36Sopenharmony_ci * bit 12..31 : Reserved:20 22462306a36Sopenharmony_ci */ 22562306a36Sopenharmony_cistruct wil_ring_tx_status { 22662306a36Sopenharmony_ci u8 num_descriptors; 22762306a36Sopenharmony_ci u8 ring_id; 22862306a36Sopenharmony_ci u8 status; 22962306a36Sopenharmony_ci u8 desc_ready; /* Only the last bit should be set */ 23062306a36Sopenharmony_ci u32 timestamp; 23162306a36Sopenharmony_ci u32 d2; 23262306a36Sopenharmony_ci u16 seq_number; /* Only the first 12 bits */ 23362306a36Sopenharmony_ci u16 w7; 23462306a36Sopenharmony_ci} __packed; 23562306a36Sopenharmony_ci 23662306a36Sopenharmony_ci/* Enhanced Rx status message - compressed part 23762306a36Sopenharmony_ci * [dword 0] 23862306a36Sopenharmony_ci * bit 0.. 2 : L2 Rx Status:3 - The L2 packet reception Status 23962306a36Sopenharmony_ci * 0-Success, 1-MIC Error, 2-Key Error, 3-Replay Error, 24062306a36Sopenharmony_ci * 4-A-MSDU Error, 5-Reserved, 6-Reserved, 7-FCS Error 24162306a36Sopenharmony_ci * bit 3.. 4 : L3 Rx Status:2 - Bit0 - L3I - L3 identified and checksum 24262306a36Sopenharmony_ci * calculated, Bit1- L3Err - IPv4 Checksum Error 24362306a36Sopenharmony_ci * bit 5.. 6 : L4 Rx Status:2 - Bit0 - L4I - L4 identified and checksum 24462306a36Sopenharmony_ci * calculated, Bit1- L4Err - TCP/UDP Checksum Error 24562306a36Sopenharmony_ci * bit 7 : Reserved:1 24662306a36Sopenharmony_ci * bit 8..19 : Flow ID:12 - MSDU flow ID 24762306a36Sopenharmony_ci * bit 20 : MID_V:1 - The MAC ID field is valid 24862306a36Sopenharmony_ci * bit 21..22 : MID:2 - The MAC ID 24962306a36Sopenharmony_ci * bit 23 : L3T:1 - IP types: 0-IPv6, 1-IPv4 25062306a36Sopenharmony_ci * bit 24 : L4T:1 - Layer 4 Type: 0-UDP, 1-TCP 25162306a36Sopenharmony_ci * bit 25 : BC:1 - The received MPDU is broadcast 25262306a36Sopenharmony_ci * bit 26 : MC:1 - The received MPDU is multicast 25362306a36Sopenharmony_ci * bit 27 : Raw:1 - The MPDU received with no translation 25462306a36Sopenharmony_ci * bit 28 : Sec:1 - The FC control (b14) - Frame Protected 25562306a36Sopenharmony_ci * bit 29 : Error:1 - An error is set when (L2 status != 0) || 25662306a36Sopenharmony_ci * (L3 status == 3) || (L4 status == 3) 25762306a36Sopenharmony_ci * bit 30 : EOP:1 - End of MSDU signaling. It is set to mark the end 25862306a36Sopenharmony_ci * of the transfer, otherwise the status indicates buffer 25962306a36Sopenharmony_ci * only completion. 26062306a36Sopenharmony_ci * bit 31 : Descriptor Ready bit:1 - It is initiated to 26162306a36Sopenharmony_ci * zero by the driver when the ring is created. It is set 26262306a36Sopenharmony_ci * by the HW to one for each completed status message. 26362306a36Sopenharmony_ci * Each wrap around, the DR bit value is flipped. 26462306a36Sopenharmony_ci * [dword 1] 26562306a36Sopenharmony_ci * bit 0.. 5 : MAC Len:6 - The number of bytes that are used for L2 header 26662306a36Sopenharmony_ci * bit 6..11 : IPLEN:6 - The number of DW that are used for L3 header 26762306a36Sopenharmony_ci * bit 12..15 : I4Len:4 - The number of DW that are used for L4 header 26862306a36Sopenharmony_ci * bit 16..21 : MCS:6 - The received MCS field from the PLCP Header 26962306a36Sopenharmony_ci * bit 22..23 : CB mode:2 - The CB Mode: 0-DMG, 1-EDMG, 2-Wide 27062306a36Sopenharmony_ci * bit 24..27 : Data Offset:4 - The data offset, a code that describe the 27162306a36Sopenharmony_ci * payload shift from the beginning of the buffer: 27262306a36Sopenharmony_ci * 0 - 0 Bytes, 3 - 2 Bytes 27362306a36Sopenharmony_ci * bit 28 : A-MSDU Present:1 - The QoS (b7) A-MSDU present field 27462306a36Sopenharmony_ci * bit 29 : A-MSDU Type:1 The QoS (b8) A-MSDU Type field 27562306a36Sopenharmony_ci * bit 30 : A-MPDU:1 - Packet is part of aggregated MPDU 27662306a36Sopenharmony_ci * bit 31 : Key ID:1 - The extracted Key ID from the encryption header 27762306a36Sopenharmony_ci * [dword 2] 27862306a36Sopenharmony_ci * bit 0..15 : Buffer ID:16 - The Buffer Identifier 27962306a36Sopenharmony_ci * bit 16..31 : Length:16 - It indicates the valid bytes that are stored 28062306a36Sopenharmony_ci * in the current descriptor buffer. For multiple buffer 28162306a36Sopenharmony_ci * descriptor, SW need to sum the total descriptor length 28262306a36Sopenharmony_ci * in all buffers to produce the packet length 28362306a36Sopenharmony_ci * [dword 3] 28462306a36Sopenharmony_ci * bit 0..31 : timestamp:32 - The MPDU Timestamp. 28562306a36Sopenharmony_ci */ 28662306a36Sopenharmony_cistruct wil_rx_status_compressed { 28762306a36Sopenharmony_ci u32 d0; 28862306a36Sopenharmony_ci u32 d1; 28962306a36Sopenharmony_ci __le16 buff_id; 29062306a36Sopenharmony_ci __le16 length; 29162306a36Sopenharmony_ci u32 timestamp; 29262306a36Sopenharmony_ci} __packed; 29362306a36Sopenharmony_ci 29462306a36Sopenharmony_ci/* Enhanced Rx status message - extension part 29562306a36Sopenharmony_ci * [dword 0] 29662306a36Sopenharmony_ci * bit 0.. 4 : QID:5 - The Queue Identifier that the packet is received 29762306a36Sopenharmony_ci * from 29862306a36Sopenharmony_ci * bit 5.. 7 : Reserved:3 29962306a36Sopenharmony_ci * bit 8..11 : TID:4 - The QoS (b3-0) TID Field 30062306a36Sopenharmony_ci * bit 12..15 Source index:4 - The Source index that was found 30162306a36Sopenharmony_ci during Parsing the TA. This field is used to define the 30262306a36Sopenharmony_ci source of the packet 30362306a36Sopenharmony_ci * bit 16..18 : Destination index:3 - The Destination index that 30462306a36Sopenharmony_ci was found during Parsing the RA. 30562306a36Sopenharmony_ci * bit 19..20 : DS Type:2 - The FC Control (b9-8) - From / To DS 30662306a36Sopenharmony_ci * bit 21..22 : MIC ICR:2 - this signal tells the DMA to assert an 30762306a36Sopenharmony_ci interrupt after it writes the packet 30862306a36Sopenharmony_ci * bit 23 : ESOP:1 - The QoS (b4) ESOP field 30962306a36Sopenharmony_ci * bit 24 : RDG:1 31062306a36Sopenharmony_ci * bit 25..31 : Reserved:7 31162306a36Sopenharmony_ci * [dword 1] 31262306a36Sopenharmony_ci * bit 0.. 1 : Frame Type:2 - The FC Control (b3-2) - MPDU Type 31362306a36Sopenharmony_ci (management, data, control and extension) 31462306a36Sopenharmony_ci * bit 2.. 5 : Syb type:4 - The FC Control (b7-4) - Frame Subtype 31562306a36Sopenharmony_ci * bit 6..11 : Ext sub type:6 - The FC Control (b11-8) - Frame Extended 31662306a36Sopenharmony_ci * Subtype 31762306a36Sopenharmony_ci * bit 12..13 : ACK Policy:2 - The QoS (b6-5) ACK Policy fields 31862306a36Sopenharmony_ci * bit 14 : DECRYPT_BYP:1 - The MPDU is bypass by the decryption unit 31962306a36Sopenharmony_ci * bit 15..23 : Reserved:9 32062306a36Sopenharmony_ci * bit 24..31 : RSSI/SNR:8 - The RSSI / SNR measurement for the received 32162306a36Sopenharmony_ci * MPDU 32262306a36Sopenharmony_ci * [dword 2] 32362306a36Sopenharmony_ci * bit 0..11 : SN:12 - The received Sequence number field 32462306a36Sopenharmony_ci * bit 12..15 : Reserved:4 32562306a36Sopenharmony_ci * bit 16..31 : PN bits [15:0]:16 32662306a36Sopenharmony_ci * [dword 3] 32762306a36Sopenharmony_ci * bit 0..31 : PN bits [47:16]:32 32862306a36Sopenharmony_ci */ 32962306a36Sopenharmony_cistruct wil_rx_status_extension { 33062306a36Sopenharmony_ci u32 d0; 33162306a36Sopenharmony_ci u32 d1; 33262306a36Sopenharmony_ci __le16 seq_num; /* only lower 12 bits */ 33362306a36Sopenharmony_ci struct_group_attr(pn, __packed, 33462306a36Sopenharmony_ci u16 pn_15_0; 33562306a36Sopenharmony_ci u32 pn_47_16; 33662306a36Sopenharmony_ci ); 33762306a36Sopenharmony_ci} __packed; 33862306a36Sopenharmony_ci 33962306a36Sopenharmony_cistruct wil_rx_status_extended { 34062306a36Sopenharmony_ci struct wil_rx_status_compressed comp; 34162306a36Sopenharmony_ci struct wil_rx_status_extension ext; 34262306a36Sopenharmony_ci} __packed; 34362306a36Sopenharmony_ci 34462306a36Sopenharmony_cistatic inline void *wil_skb_rxstatus(struct sk_buff *skb) 34562306a36Sopenharmony_ci{ 34662306a36Sopenharmony_ci return (void *)skb->cb; 34762306a36Sopenharmony_ci} 34862306a36Sopenharmony_ci 34962306a36Sopenharmony_cistatic inline __le16 wil_rx_status_get_length(void *msg) 35062306a36Sopenharmony_ci{ 35162306a36Sopenharmony_ci return ((struct wil_rx_status_compressed *)msg)->length; 35262306a36Sopenharmony_ci} 35362306a36Sopenharmony_ci 35462306a36Sopenharmony_cistatic inline u8 wil_rx_status_get_mcs(void *msg) 35562306a36Sopenharmony_ci{ 35662306a36Sopenharmony_ci return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d1, 35762306a36Sopenharmony_ci 16, 21); 35862306a36Sopenharmony_ci} 35962306a36Sopenharmony_ci 36062306a36Sopenharmony_cistatic inline u8 wil_rx_status_get_cb_mode(void *msg) 36162306a36Sopenharmony_ci{ 36262306a36Sopenharmony_ci return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d1, 36362306a36Sopenharmony_ci 22, 23); 36462306a36Sopenharmony_ci} 36562306a36Sopenharmony_ci 36662306a36Sopenharmony_cistatic inline u16 wil_rx_status_get_flow_id(void *msg) 36762306a36Sopenharmony_ci{ 36862306a36Sopenharmony_ci return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, 36962306a36Sopenharmony_ci 8, 19); 37062306a36Sopenharmony_ci} 37162306a36Sopenharmony_ci 37262306a36Sopenharmony_cistatic inline u8 wil_rx_status_get_mcast(void *msg) 37362306a36Sopenharmony_ci{ 37462306a36Sopenharmony_ci return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, 37562306a36Sopenharmony_ci 26, 26); 37662306a36Sopenharmony_ci} 37762306a36Sopenharmony_ci 37862306a36Sopenharmony_ci/** 37962306a36Sopenharmony_ci * In case of DLPF miss the parsing of flow Id should be as follows: 38062306a36Sopenharmony_ci * dest_id:2 38162306a36Sopenharmony_ci * src_id :3 - cid 38262306a36Sopenharmony_ci * tid:3 38362306a36Sopenharmony_ci * Otherwise: 38462306a36Sopenharmony_ci * tid:4 38562306a36Sopenharmony_ci * cid:4 38662306a36Sopenharmony_ci */ 38762306a36Sopenharmony_ci 38862306a36Sopenharmony_cistatic inline u8 wil_rx_status_get_cid(void *msg) 38962306a36Sopenharmony_ci{ 39062306a36Sopenharmony_ci u16 val = wil_rx_status_get_flow_id(msg); 39162306a36Sopenharmony_ci 39262306a36Sopenharmony_ci if (val & WIL_RX_EDMA_DLPF_LU_MISS_BIT) 39362306a36Sopenharmony_ci /* CID is in bits 2..4 */ 39462306a36Sopenharmony_ci return (val >> WIL_RX_EDMA_DLPF_LU_MISS_CID_POS) & 39562306a36Sopenharmony_ci WIL_RX_EDMA_DLPF_LU_MISS_CID_TID_MASK; 39662306a36Sopenharmony_ci else 39762306a36Sopenharmony_ci /* CID is in bits 4..7 */ 39862306a36Sopenharmony_ci return (val >> WIL_RX_EDMA_DLPF_LU_HIT_CID_POS) & 39962306a36Sopenharmony_ci WIL_RX_EDMA_DLPF_LU_HIT_CID_TID_MASK; 40062306a36Sopenharmony_ci} 40162306a36Sopenharmony_ci 40262306a36Sopenharmony_cistatic inline u8 wil_rx_status_get_tid(void *msg) 40362306a36Sopenharmony_ci{ 40462306a36Sopenharmony_ci u16 val = wil_rx_status_get_flow_id(msg); 40562306a36Sopenharmony_ci 40662306a36Sopenharmony_ci if (val & WIL_RX_EDMA_DLPF_LU_MISS_BIT) 40762306a36Sopenharmony_ci /* TID is in bits 5..7 */ 40862306a36Sopenharmony_ci return (val >> WIL_RX_EDMA_DLPF_LU_MISS_TID_POS) & 40962306a36Sopenharmony_ci WIL_RX_EDMA_DLPF_LU_MISS_CID_TID_MASK; 41062306a36Sopenharmony_ci else 41162306a36Sopenharmony_ci /* TID is in bits 0..3 */ 41262306a36Sopenharmony_ci return val & WIL_RX_EDMA_DLPF_LU_MISS_CID_TID_MASK; 41362306a36Sopenharmony_ci} 41462306a36Sopenharmony_ci 41562306a36Sopenharmony_cistatic inline int wil_rx_status_get_eop(void *msg) /* EoP = End of Packet */ 41662306a36Sopenharmony_ci{ 41762306a36Sopenharmony_ci return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, 41862306a36Sopenharmony_ci 30, 30); 41962306a36Sopenharmony_ci} 42062306a36Sopenharmony_ci 42162306a36Sopenharmony_cistatic inline void wil_rx_status_reset_buff_id(struct wil_status_ring *s) 42262306a36Sopenharmony_ci{ 42362306a36Sopenharmony_ci ((struct wil_rx_status_compressed *) 42462306a36Sopenharmony_ci (s->va + (s->elem_size * s->swhead)))->buff_id = 0; 42562306a36Sopenharmony_ci} 42662306a36Sopenharmony_ci 42762306a36Sopenharmony_cistatic inline __le16 wil_rx_status_get_buff_id(void *msg) 42862306a36Sopenharmony_ci{ 42962306a36Sopenharmony_ci return ((struct wil_rx_status_compressed *)msg)->buff_id; 43062306a36Sopenharmony_ci} 43162306a36Sopenharmony_ci 43262306a36Sopenharmony_cistatic inline u8 wil_rx_status_get_data_offset(void *msg) 43362306a36Sopenharmony_ci{ 43462306a36Sopenharmony_ci u8 val = WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d1, 43562306a36Sopenharmony_ci 24, 27); 43662306a36Sopenharmony_ci 43762306a36Sopenharmony_ci switch (val) { 43862306a36Sopenharmony_ci case 0: return 0; 43962306a36Sopenharmony_ci case 3: return 2; 44062306a36Sopenharmony_ci default: return 0xFF; 44162306a36Sopenharmony_ci } 44262306a36Sopenharmony_ci} 44362306a36Sopenharmony_ci 44462306a36Sopenharmony_cistatic inline int wil_rx_status_get_frame_type(struct wil6210_priv *wil, 44562306a36Sopenharmony_ci void *msg) 44662306a36Sopenharmony_ci{ 44762306a36Sopenharmony_ci if (wil->use_compressed_rx_status) 44862306a36Sopenharmony_ci return IEEE80211_FTYPE_DATA; 44962306a36Sopenharmony_ci 45062306a36Sopenharmony_ci return WIL_GET_BITS(((struct wil_rx_status_extended *)msg)->ext.d1, 45162306a36Sopenharmony_ci 0, 1) << 2; 45262306a36Sopenharmony_ci} 45362306a36Sopenharmony_ci 45462306a36Sopenharmony_cistatic inline int wil_rx_status_get_fc1(struct wil6210_priv *wil, void *msg) 45562306a36Sopenharmony_ci{ 45662306a36Sopenharmony_ci if (wil->use_compressed_rx_status) 45762306a36Sopenharmony_ci return 0; 45862306a36Sopenharmony_ci 45962306a36Sopenharmony_ci return WIL_GET_BITS(((struct wil_rx_status_extended *)msg)->ext.d1, 46062306a36Sopenharmony_ci 0, 5) << 2; 46162306a36Sopenharmony_ci} 46262306a36Sopenharmony_ci 46362306a36Sopenharmony_cistatic inline __le16 wil_rx_status_get_seq(struct wil6210_priv *wil, void *msg) 46462306a36Sopenharmony_ci{ 46562306a36Sopenharmony_ci if (wil->use_compressed_rx_status) 46662306a36Sopenharmony_ci return 0; 46762306a36Sopenharmony_ci 46862306a36Sopenharmony_ci return ((struct wil_rx_status_extended *)msg)->ext.seq_num; 46962306a36Sopenharmony_ci} 47062306a36Sopenharmony_ci 47162306a36Sopenharmony_cistatic inline u8 wil_rx_status_get_retry(void *msg) 47262306a36Sopenharmony_ci{ 47362306a36Sopenharmony_ci /* retry bit is missing in EDMA HW. return 1 to be on the safe side */ 47462306a36Sopenharmony_ci return 1; 47562306a36Sopenharmony_ci} 47662306a36Sopenharmony_ci 47762306a36Sopenharmony_cistatic inline int wil_rx_status_get_mid(void *msg) 47862306a36Sopenharmony_ci{ 47962306a36Sopenharmony_ci if (!(((struct wil_rx_status_compressed *)msg)->d0 & 48062306a36Sopenharmony_ci WIL_RX_EDMA_MID_VALID_BIT)) 48162306a36Sopenharmony_ci return 0; /* use the default MID */ 48262306a36Sopenharmony_ci 48362306a36Sopenharmony_ci return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, 48462306a36Sopenharmony_ci 21, 22); 48562306a36Sopenharmony_ci} 48662306a36Sopenharmony_ci 48762306a36Sopenharmony_cistatic inline int wil_rx_status_get_error(void *msg) 48862306a36Sopenharmony_ci{ 48962306a36Sopenharmony_ci return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, 49062306a36Sopenharmony_ci 29, 29); 49162306a36Sopenharmony_ci} 49262306a36Sopenharmony_ci 49362306a36Sopenharmony_cistatic inline int wil_rx_status_get_l2_rx_status(void *msg) 49462306a36Sopenharmony_ci{ 49562306a36Sopenharmony_ci return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, 49662306a36Sopenharmony_ci 0, 2); 49762306a36Sopenharmony_ci} 49862306a36Sopenharmony_ci 49962306a36Sopenharmony_cistatic inline int wil_rx_status_get_l3_rx_status(void *msg) 50062306a36Sopenharmony_ci{ 50162306a36Sopenharmony_ci return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, 50262306a36Sopenharmony_ci 3, 4); 50362306a36Sopenharmony_ci} 50462306a36Sopenharmony_ci 50562306a36Sopenharmony_cistatic inline int wil_rx_status_get_l4_rx_status(void *msg) 50662306a36Sopenharmony_ci{ 50762306a36Sopenharmony_ci return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, 50862306a36Sopenharmony_ci 5, 6); 50962306a36Sopenharmony_ci} 51062306a36Sopenharmony_ci 51162306a36Sopenharmony_ci/* L4 L3 Expected result 51262306a36Sopenharmony_ci * 0 0 Ok. No L3 and no L4 known protocols found. 51362306a36Sopenharmony_ci * Treated as L2 packet. (no offloads on this packet) 51462306a36Sopenharmony_ci * 0 1 Ok. It means that L3 was found, and checksum check passed. 51562306a36Sopenharmony_ci * No known L4 protocol was found. 51662306a36Sopenharmony_ci * 0 2 It means that L3 protocol was found, and checksum check failed. 51762306a36Sopenharmony_ci * No L4 known protocol was found. 51862306a36Sopenharmony_ci * 1 any Ok. It means that L4 was found, and checksum check passed. 51962306a36Sopenharmony_ci * 3 0 Not a possible scenario. 52062306a36Sopenharmony_ci * 3 1 Recalculate. It means that L3 protocol was found, and checksum 52162306a36Sopenharmony_ci * passed. But L4 checksum failed. Need to see if really failed, 52262306a36Sopenharmony_ci * or due to fragmentation. 52362306a36Sopenharmony_ci * 3 2 Both L3 and L4 checksum check failed. 52462306a36Sopenharmony_ci */ 52562306a36Sopenharmony_cistatic inline int wil_rx_status_get_checksum(void *msg, 52662306a36Sopenharmony_ci struct wil_net_stats *stats) 52762306a36Sopenharmony_ci{ 52862306a36Sopenharmony_ci int l3_rx_status = wil_rx_status_get_l3_rx_status(msg); 52962306a36Sopenharmony_ci int l4_rx_status = wil_rx_status_get_l4_rx_status(msg); 53062306a36Sopenharmony_ci 53162306a36Sopenharmony_ci if (l4_rx_status == 1) 53262306a36Sopenharmony_ci return CHECKSUM_UNNECESSARY; 53362306a36Sopenharmony_ci 53462306a36Sopenharmony_ci if (l4_rx_status == 0 && l3_rx_status == 1) 53562306a36Sopenharmony_ci return CHECKSUM_UNNECESSARY; 53662306a36Sopenharmony_ci 53762306a36Sopenharmony_ci if (l3_rx_status == 0 && l4_rx_status == 0) 53862306a36Sopenharmony_ci /* L2 packet */ 53962306a36Sopenharmony_ci return CHECKSUM_NONE; 54062306a36Sopenharmony_ci 54162306a36Sopenharmony_ci /* If HW reports bad checksum, let IP stack re-check it 54262306a36Sopenharmony_ci * For example, HW doesn't understand Microsoft IP stack that 54362306a36Sopenharmony_ci * mis-calculates TCP checksum - if it should be 0x0, 54462306a36Sopenharmony_ci * it writes 0xffff in violation of RFC 1624 54562306a36Sopenharmony_ci */ 54662306a36Sopenharmony_ci stats->rx_csum_err++; 54762306a36Sopenharmony_ci return CHECKSUM_NONE; 54862306a36Sopenharmony_ci} 54962306a36Sopenharmony_ci 55062306a36Sopenharmony_cistatic inline int wil_rx_status_get_security(void *msg) 55162306a36Sopenharmony_ci{ 55262306a36Sopenharmony_ci return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, 55362306a36Sopenharmony_ci 28, 28); 55462306a36Sopenharmony_ci} 55562306a36Sopenharmony_ci 55662306a36Sopenharmony_cistatic inline u8 wil_rx_status_get_key_id(void *msg) 55762306a36Sopenharmony_ci{ 55862306a36Sopenharmony_ci return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d1, 55962306a36Sopenharmony_ci 31, 31); 56062306a36Sopenharmony_ci} 56162306a36Sopenharmony_ci 56262306a36Sopenharmony_cistatic inline u8 wil_tx_status_get_mcs(struct wil_ring_tx_status *msg) 56362306a36Sopenharmony_ci{ 56462306a36Sopenharmony_ci return WIL_GET_BITS(msg->d2, 0, 4); 56562306a36Sopenharmony_ci} 56662306a36Sopenharmony_ci 56762306a36Sopenharmony_cistatic inline u32 wil_ring_next_head(struct wil_ring *ring) 56862306a36Sopenharmony_ci{ 56962306a36Sopenharmony_ci return (ring->swhead + 1) % ring->size; 57062306a36Sopenharmony_ci} 57162306a36Sopenharmony_ci 57262306a36Sopenharmony_cistatic inline void wil_desc_set_addr_edma(struct wil_ring_dma_addr *addr, 57362306a36Sopenharmony_ci __le16 *addr_high_high, 57462306a36Sopenharmony_ci dma_addr_t pa) 57562306a36Sopenharmony_ci{ 57662306a36Sopenharmony_ci addr->addr_low = cpu_to_le32(lower_32_bits(pa)); 57762306a36Sopenharmony_ci addr->addr_high = cpu_to_le16((u16)upper_32_bits(pa)); 57862306a36Sopenharmony_ci *addr_high_high = cpu_to_le16((u16)(upper_32_bits(pa) >> 16)); 57962306a36Sopenharmony_ci} 58062306a36Sopenharmony_ci 58162306a36Sopenharmony_cistatic inline 58262306a36Sopenharmony_cidma_addr_t wil_tx_desc_get_addr_edma(struct wil_ring_tx_enhanced_dma *dma) 58362306a36Sopenharmony_ci{ 58462306a36Sopenharmony_ci return le32_to_cpu(dma->addr.addr_low) | 58562306a36Sopenharmony_ci ((u64)le16_to_cpu(dma->addr.addr_high) << 32) | 58662306a36Sopenharmony_ci ((u64)le16_to_cpu(dma->addr_high_high) << 48); 58762306a36Sopenharmony_ci} 58862306a36Sopenharmony_ci 58962306a36Sopenharmony_cistatic inline 59062306a36Sopenharmony_cidma_addr_t wil_rx_desc_get_addr_edma(struct wil_ring_rx_enhanced_dma *dma) 59162306a36Sopenharmony_ci{ 59262306a36Sopenharmony_ci return le32_to_cpu(dma->addr.addr_low) | 59362306a36Sopenharmony_ci ((u64)le16_to_cpu(dma->addr.addr_high) << 32) | 59462306a36Sopenharmony_ci ((u64)le16_to_cpu(dma->addr_high_high) << 48); 59562306a36Sopenharmony_ci} 59662306a36Sopenharmony_ci 59762306a36Sopenharmony_civoid wil_configure_interrupt_moderation_edma(struct wil6210_priv *wil); 59862306a36Sopenharmony_ciint wil_tx_sring_handler(struct wil6210_priv *wil, 59962306a36Sopenharmony_ci struct wil_status_ring *sring); 60062306a36Sopenharmony_civoid wil_rx_handle_edma(struct wil6210_priv *wil, int *quota); 60162306a36Sopenharmony_civoid wil_init_txrx_ops_edma(struct wil6210_priv *wil); 60262306a36Sopenharmony_ci 60362306a36Sopenharmony_ci#endif /* WIL6210_TXRX_EDMA_H */ 60462306a36Sopenharmony_ci 605