| /* |
| * Copyright (c) 2012 Qualcomm Atheros, Inc. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #ifndef WIL6210_TXRX_H |
| #define WIL6210_TXRX_H |
| |
| #define BUF_SW_OWNED (1) |
| #define BUF_HW_OWNED (0) |
| |
| /* size of max. Rx packet */ |
| #define RX_BUF_LEN (2048) |
| #define TX_BUF_LEN (2048) |
| /* how many bytes to reserve for rtap header? */ |
| #define WIL6210_RTAP_SIZE (128) |
| |
| /* Tx/Rx path */ |
| /* |
| * Tx descriptor - MAC part |
| * [dword 0] |
| * bit 0.. 9 : lifetime_expiry_value:10 |
| * bit 10 : interrup_en:1 |
| * bit 11 : status_en:1 |
| * bit 12..13 : txss_override:2 |
| * bit 14 : timestamp_insertion:1 |
| * bit 15 : duration_preserve:1 |
| * bit 16..21 : reserved0:6 |
| * bit 22..26 : mcs_index:5 |
| * bit 27 : mcs_en:1 |
| * bit 28..29 : reserved1:2 |
| * bit 30 : reserved2:1 |
| * bit 31 : sn_preserved:1 |
| * [dword 1] |
| * bit 0.. 3 : pkt_mode:4 |
| * bit 4 : pkt_mode_en:1 |
| * bit 5.. 7 : reserved0:3 |
| * bit 8..13 : reserved1:6 |
| * bit 14 : reserved2:1 |
| * bit 15 : ack_policy_en:1 |
| * bit 16..19 : dst_index:4 |
| * bit 20 : dst_index_en:1 |
| * bit 21..22 : ack_policy:2 |
| * bit 23 : lifetime_en:1 |
| * bit 24..30 : max_retry:7 |
| * bit 31 : max_retry_en:1 |
| * [dword 2] |
| * bit 0.. 7 : num_of_descriptors:8 |
| * bit 8..17 : reserved:10 |
| * bit 18..19 : l2_translation_type:2 |
| * bit 20 : snap_hdr_insertion_en:1 |
| * bit 21 : vlan_removal_en:1 |
| * bit 22..31 : reserved0:10 |
| * [dword 3] |
| * bit 0.. 31: ucode_cmd:32 |
| */ |
| struct vring_tx_mac { |
| u32 d[3]; |
| u32 ucode_cmd; |
| } __packed; |
| |
| /* TX MAC Dword 0 */ |
| #define MAC_CFG_DESC_TX_0_LIFETIME_EXPIRY_VALUE_POS 0 |
| #define MAC_CFG_DESC_TX_0_LIFETIME_EXPIRY_VALUE_LEN 10 |
| #define MAC_CFG_DESC_TX_0_LIFETIME_EXPIRY_VALUE_MSK 0x3FF |
| |
| #define MAC_CFG_DESC_TX_0_INTERRUP_EN_POS 10 |
| #define MAC_CFG_DESC_TX_0_INTERRUP_EN_LEN 1 |
| #define MAC_CFG_DESC_TX_0_INTERRUP_EN_MSK 0x400 |
| |
| #define MAC_CFG_DESC_TX_0_STATUS_EN_POS 11 |
| #define MAC_CFG_DESC_TX_0_STATUS_EN_LEN 1 |
| #define MAC_CFG_DESC_TX_0_STATUS_EN_MSK 0x800 |
| |
| #define MAC_CFG_DESC_TX_0_TXSS_OVERRIDE_POS 12 |
| #define MAC_CFG_DESC_TX_0_TXSS_OVERRIDE_LEN 2 |
| #define MAC_CFG_DESC_TX_0_TXSS_OVERRIDE_MSK 0x3000 |
| |
| #define MAC_CFG_DESC_TX_0_TIMESTAMP_INSERTION_POS 14 |
| #define MAC_CFG_DESC_TX_0_TIMESTAMP_INSERTION_LEN 1 |
| #define MAC_CFG_DESC_TX_0_TIMESTAMP_INSERTION_MSK 0x4000 |
| |
| #define MAC_CFG_DESC_TX_0_DURATION_PRESERVE_POS 15 |
| #define MAC_CFG_DESC_TX_0_DURATION_PRESERVE_LEN 1 |
| #define MAC_CFG_DESC_TX_0_DURATION_PRESERVE_MSK 0x8000 |
| |
| #define MAC_CFG_DESC_TX_0_MCS_INDEX_POS 22 |
| #define MAC_CFG_DESC_TX_0_MCS_INDEX_LEN 5 |
| #define MAC_CFG_DESC_TX_0_MCS_INDEX_MSK 0x7C00000 |
| |
| #define MAC_CFG_DESC_TX_0_MCS_EN_POS 27 |
| #define MAC_CFG_DESC_TX_0_MCS_EN_LEN 1 |
| #define MAC_CFG_DESC_TX_0_MCS_EN_MSK 0x8000000 |
| |
| #define MAC_CFG_DESC_TX_0_SN_PRESERVED_POS 31 |
| #define MAC_CFG_DESC_TX_0_SN_PRESERVED_LEN 1 |
| #define MAC_CFG_DESC_TX_0_SN_PRESERVED_MSK 0x80000000 |
| |
| /* TX MAC Dword 1 */ |
| #define MAC_CFG_DESC_TX_1_PKT_MODE_POS 0 |
| #define MAC_CFG_DESC_TX_1_PKT_MODE_LEN 4 |
| #define MAC_CFG_DESC_TX_1_PKT_MODE_MSK 0xF |
| |
| #define MAC_CFG_DESC_TX_1_PKT_MODE_EN_POS 4 |
| #define MAC_CFG_DESC_TX_1_PKT_MODE_EN_LEN 1 |
| #define MAC_CFG_DESC_TX_1_PKT_MODE_EN_MSK 0x10 |
| |
| #define MAC_CFG_DESC_TX_1_ACK_POLICY_EN_POS 15 |
| #define MAC_CFG_DESC_TX_1_ACK_POLICY_EN_LEN 1 |
| #define MAC_CFG_DESC_TX_1_ACK_POLICY_EN_MSK 0x8000 |
| |
| #define MAC_CFG_DESC_TX_1_DST_INDEX_POS 16 |
| #define MAC_CFG_DESC_TX_1_DST_INDEX_LEN 4 |
| #define MAC_CFG_DESC_TX_1_DST_INDEX_MSK 0xF0000 |
| |
| #define MAC_CFG_DESC_TX_1_DST_INDEX_EN_POS 20 |
| #define MAC_CFG_DESC_TX_1_DST_INDEX_EN_LEN 1 |
| #define MAC_CFG_DESC_TX_1_DST_INDEX_EN_MSK 0x100000 |
| |
| #define MAC_CFG_DESC_TX_1_ACK_POLICY_POS 21 |
| #define MAC_CFG_DESC_TX_1_ACK_POLICY_LEN 2 |
| #define MAC_CFG_DESC_TX_1_ACK_POLICY_MSK 0x600000 |
| |
| #define MAC_CFG_DESC_TX_1_LIFETIME_EN_POS 23 |
| #define MAC_CFG_DESC_TX_1_LIFETIME_EN_LEN 1 |
| #define MAC_CFG_DESC_TX_1_LIFETIME_EN_MSK 0x800000 |
| |
| #define MAC_CFG_DESC_TX_1_MAX_RETRY_POS 24 |
| #define MAC_CFG_DESC_TX_1_MAX_RETRY_LEN 7 |
| #define MAC_CFG_DESC_TX_1_MAX_RETRY_MSK 0x7F000000 |
| |
| #define MAC_CFG_DESC_TX_1_MAX_RETRY_EN_POS 31 |
| #define MAC_CFG_DESC_TX_1_MAX_RETRY_EN_LEN 1 |
| #define MAC_CFG_DESC_TX_1_MAX_RETRY_EN_MSK 0x80000000 |
| |
| /* TX MAC Dword 2 */ |
| #define MAC_CFG_DESC_TX_2_NUM_OF_DESCRIPTORS_POS 0 |
| #define MAC_CFG_DESC_TX_2_NUM_OF_DESCRIPTORS_LEN 8 |
| #define MAC_CFG_DESC_TX_2_NUM_OF_DESCRIPTORS_MSK 0xFF |
| |
| #define MAC_CFG_DESC_TX_2_RESERVED_POS 8 |
| #define MAC_CFG_DESC_TX_2_RESERVED_LEN 10 |
| #define MAC_CFG_DESC_TX_2_RESERVED_MSK 0x3FF00 |
| |
| #define MAC_CFG_DESC_TX_2_L2_TRANSLATION_TYPE_POS 18 |
| #define MAC_CFG_DESC_TX_2_L2_TRANSLATION_TYPE_LEN 2 |
| #define MAC_CFG_DESC_TX_2_L2_TRANSLATION_TYPE_MSK 0xC0000 |
| |
| #define MAC_CFG_DESC_TX_2_SNAP_HDR_INSERTION_EN_POS 20 |
| #define MAC_CFG_DESC_TX_2_SNAP_HDR_INSERTION_EN_LEN 1 |
| #define MAC_CFG_DESC_TX_2_SNAP_HDR_INSERTION_EN_MSK 0x100000 |
| |
| #define MAC_CFG_DESC_TX_2_VLAN_REMOVAL_EN_POS 21 |
| #define MAC_CFG_DESC_TX_2_VLAN_REMOVAL_EN_LEN 1 |
| #define MAC_CFG_DESC_TX_2_VLAN_REMOVAL_EN_MSK 0x200000 |
| |
| /* TX MAC Dword 3 */ |
| #define MAC_CFG_DESC_TX_3_UCODE_CMD_POS 0 |
| #define MAC_CFG_DESC_TX_3_UCODE_CMD_LEN 32 |
| #define MAC_CFG_DESC_TX_3_UCODE_CMD_MSK 0xFFFFFFFF |
| |
| /* TX DMA Dword 0 */ |
| #define DMA_CFG_DESC_TX_0_L4_LENGTH_POS 0 |
| #define DMA_CFG_DESC_TX_0_L4_LENGTH_LEN 8 |
| #define DMA_CFG_DESC_TX_0_L4_LENGTH_MSK 0xFF |
| |
| #define DMA_CFG_DESC_TX_0_CMD_EOP_POS 8 |
| #define DMA_CFG_DESC_TX_0_CMD_EOP_LEN 1 |
| #define DMA_CFG_DESC_TX_0_CMD_EOP_MSK 0x100 |
| |
| #define DMA_CFG_DESC_TX_0_CMD_DMA_IT_POS 10 |
| #define DMA_CFG_DESC_TX_0_CMD_DMA_IT_LEN 1 |
| #define DMA_CFG_DESC_TX_0_CMD_DMA_IT_MSK 0x400 |
| |
| #define DMA_CFG_DESC_TX_0_SEGMENT_BUF_DETAILS_POS 11 |
| #define DMA_CFG_DESC_TX_0_SEGMENT_BUF_DETAILS_LEN 2 |
| #define DMA_CFG_DESC_TX_0_SEGMENT_BUF_DETAILS_MSK 0x1800 |
| |
| #define DMA_CFG_DESC_TX_0_TCP_SEG_EN_POS 13 |
| #define DMA_CFG_DESC_TX_0_TCP_SEG_EN_LEN 1 |
| #define DMA_CFG_DESC_TX_0_TCP_SEG_EN_MSK 0x2000 |
| |
| #define DMA_CFG_DESC_TX_0_IPV4_CHECKSUM_EN_POS 14 |
| #define DMA_CFG_DESC_TX_0_IPV4_CHECKSUM_EN_LEN 1 |
| #define DMA_CFG_DESC_TX_0_IPV4_CHECKSUM_EN_MSK 0x4000 |
| |
| #define DMA_CFG_DESC_TX_0_TCP_UDP_CHECKSUM_EN_POS 15 |
| #define DMA_CFG_DESC_TX_0_TCP_UDP_CHECKSUM_EN_LEN 1 |
| #define DMA_CFG_DESC_TX_0_TCP_UDP_CHECKSUM_EN_MSK 0x8000 |
| |
| #define DMA_CFG_DESC_TX_0_QID_POS 16 |
| #define DMA_CFG_DESC_TX_0_QID_LEN 5 |
| #define DMA_CFG_DESC_TX_0_QID_MSK 0x1F0000 |
| |
| #define DMA_CFG_DESC_TX_0_PSEUDO_HEADER_CALC_EN_POS 21 |
| #define DMA_CFG_DESC_TX_0_PSEUDO_HEADER_CALC_EN_LEN 1 |
| #define DMA_CFG_DESC_TX_0_PSEUDO_HEADER_CALC_EN_MSK 0x200000 |
| |
| #define DMA_CFG_DESC_TX_0_L4_TYPE_POS 30 |
| #define DMA_CFG_DESC_TX_0_L4_TYPE_LEN 2 |
| #define DMA_CFG_DESC_TX_0_L4_TYPE_MSK 0xC0000000 |
| |
| |
| #define TX_DMA_STATUS_DU BIT(0) |
| |
| struct vring_tx_dma { |
| u32 d0; |
| u32 addr_low; |
| u16 addr_high; |
| u8 ip_length; |
| u8 b11; /* 0..6: mac_length; 7:ip_version */ |
| u8 error; /* 0..2: err; 3..7: reserved; */ |
| u8 status; /* 0: used; 1..7; reserved */ |
| u16 length; |
| } __packed; |
| |
| /* |
| * Rx descriptor - MAC part |
| * [dword 0] |
| * bit 0.. 3 : tid:4 The QoS (b3-0) TID Field |
| * bit 4.. 6 : connection_id:3 :The Source index that was found during |
| * Parsing the TA. This field is used to define the source of the packet |
| * bit 7 : reserved:1 |
| * bit 8.. 9 : mac_id:2 : The MAC virtual Ring number (always zero) |
| * bit 10..11 : frame_type:2 : The FC Control (b3-2) - MPDU Type |
| * (management, data, control and extension) |
| * bit 12..15 : frame_subtype:4 : The FC Control (b7-4) - Frame Subtype |
| * bit 16..27 : seq_number:12 The received Sequence number field |
| * bit 28..31 : extended:4 extended subtype |
| * [dword 1] |
| * bit 0.. 3 : reserved |
| * bit 4.. 5 : key_id:2 |
| * bit 6 : decrypt_bypass:1 |
| * bit 7 : security:1 |
| * bit 8.. 9 : ds_bits:2 |
| * bit 10 : a_msdu_present:1 from qos header |
| * bit 11 : a_msdu_type:1 from qos header |
| * bit 12 : a_mpdu:1 part of AMPDU aggregation |
| * bit 13 : broadcast:1 |
| * bit 14 : mutlicast:1 |
| * bit 15 : reserved:1 |
| * bit 16..20 : rx_mac_qid:5 The Queue Identifier that the packet |
| * is received from |
| * bit 21..24 : mcs:4 |
| * bit 25..28 : mic_icr:4 |
| * bit 29..31 : reserved:3 |
| * [dword 2] |
| * bit 0.. 2 : time_slot:3 The timeslot that the MPDU is received |
| * bit 3 : fc_protocol_ver:1 The FC Control (b0) - Protocol Version |
| * bit 4 : fc_order:1 The FC Control (b15) -Order |
| * bit 5.. 7 : qos_ack_policy:3 The QoS (b6-5) ack policy Field |
| * bit 8 : esop:1 The QoS (b4) ESOP field |
| * bit 9 : qos_rdg_more_ppdu:1 The QoS (b9) RDG field |
| * bit 10..14 : qos_reserved:5 The QoS (b14-10) Reserved field |
| * bit 15 : qos_ac_constraint:1 |
| * bit 16..31 : pn_15_0:16 low 2 bytes of PN |
| * [dword 3] |
| * bit 0..31 : pn_47_16:32 high 4 bytes of PN |
| */ |
| struct vring_rx_mac { |
| u32 d0; |
| u32 d1; |
| u16 w4; |
| u16 pn_15_0; |
| u32 pn_47_16; |
| } __packed; |
| |
| /* |
| * Rx descriptor - DMA part |
| * [dword 0] |
| * bit 0.. 7 : l4_length:8 layer 4 length |
| * bit 8.. 9 : reserved:2 |
| * bit 10 : cmd_dma_it:1 |
| * bit 11..15 : reserved:5 |
| * bit 16..29 : phy_info_length:14 |
| * bit 30..31 : l4_type:2 valid if the L4I bit is set in the status field |
| * [dword 1] |
| * bit 0..31 : addr_low:32 The payload buffer low address |
| * [dword 2] |
| * bit 0..15 : addr_high:16 The payload buffer high address |
| * bit 16..23 : ip_length:8 |
| * bit 24..30 : mac_length:7 |
| * bit 31 : ip_version:1 |
| * [dword 3] |
| * [byte 12] error |
| * [byte 13] status |
| * bit 0 : du:1 |
| * bit 1 : eop:1 |
| * bit 2 : error:1 |
| * bit 3 : mi:1 |
| * bit 4 : l3_identified:1 |
| * bit 5 : l4_identified:1 |
| * bit 6 : phy_info_included:1 |
| * bit 7 : reserved:1 |
| * [word 7] length |
| * |
| */ |
| |
| #define RX_DMA_D0_CMD_DMA_IT BIT(10) |
| |
| #define RX_DMA_STATUS_DU BIT(0) |
| #define RX_DMA_STATUS_ERROR BIT(2) |
| #define RX_DMA_STATUS_PHY_INFO BIT(6) |
| |
| struct vring_rx_dma { |
| u32 d0; |
| u32 addr_low; |
| u16 addr_high; |
| u8 ip_length; |
| u8 b11; |
| u8 error; |
| u8 status; |
| u16 length; |
| } __packed; |
| |
| struct vring_tx_desc { |
| struct vring_tx_mac mac; |
| struct vring_tx_dma dma; |
| } __packed; |
| |
| struct vring_rx_desc { |
| struct vring_rx_mac mac; |
| struct vring_rx_dma dma; |
| } __packed; |
| |
| union vring_desc { |
| struct vring_tx_desc tx; |
| struct vring_rx_desc rx; |
| } __packed; |
| |
| static inline int wil_rxdesc_phy_length(volatile struct vring_rx_desc *d) |
| { |
| return WIL_GET_BITS(d->dma.d0, 16, 29); |
| } |
| |
| static inline int wil_rxdesc_mcs(volatile struct vring_rx_desc *d) |
| { |
| return WIL_GET_BITS(d->mac.d1, 21, 24); |
| } |
| |
| static inline int wil_rxdesc_ds_bits(volatile struct vring_rx_desc *d) |
| { |
| return WIL_GET_BITS(d->mac.d1, 8, 9); |
| } |
| |
| static inline int wil_rxdesc_ftype(volatile struct vring_rx_desc *d) |
| { |
| return WIL_GET_BITS(d->mac.d0, 10, 11); |
| } |
| |
| #endif /* WIL6210_TXRX_H */ |