526 lines
14 KiB
C
526 lines
14 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2013, Intel Corporation. */
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/*
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* Copyright (C) 2019 Intel Corporation
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*
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* For licensing information, see the file 'LICENSE' in the root folder
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*/
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#ifndef _VIRTCHNL_LAN_DESC_H_
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#define _VIRTCHNL_LAN_DESC_H_
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/* Rx */
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/* For virtchnl_splitq_base_rx_flex desc members */
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#define VIRTCHNL_RXD_FLEX_PTYPE_S 0
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#define VIRTCHNL_RXD_FLEX_PTYPE_M \
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MAKEMASK(0x3FFUL, VIRTCHNL_RXD_FLEX_PTYPE_S)
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#define VIRTCHNL_RXD_FLEX_UMBCAST_S 10
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#define VIRTCHNL_RXD_FLEX_UMBCAST_M \
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MAKEMASK(0x3UL, VIRTCHNL_RXD_FLEX_UMBCAST_S)
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#define VIRTCHNL_RXD_FLEX_FF0_S 12
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#define VIRTCHNL_RXD_FLEX_FF0_M MAKEMASK(0xFUL, VIRTCHNL_RXD_FLEX_FF0_S)
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#define VIRTCHNL_RXD_FLEX_LEN_PBUF_S 0
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#define VIRTCHNL_RXD_FLEX_LEN_PBUF_M \
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MAKEMASK(0x3FFFUL, VIRTCHNL_RXD_FLEX_LEN_PBUF_S)
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#define VIRTCHNL_RXD_FLEX_GEN_S 14
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#define VIRTCHNL_RXD_FLEX_GEN_M BIT_ULL(VIRTCHNL_RXD_FLEX_GEN_S)
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#define VIRTCHNL_RXD_FLEX_BUFQ_ID_S 15
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#define VIRTCHNL_RXD_FLEX_BUFQ_ID_M \
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BIT_ULL(VIRTCHNL_RXD_FLEX_BUFQ_ID_S)
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#define VIRTCHNL_RXD_FLEX_LEN_HDR_S 0
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#define VIRTCHNL_RXD_FLEX_LEN_HDR_M \
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MAKEMASK(0x3FFUL, VIRTCHNL_RXD_FLEX_LEN_HDR_S)
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#define VIRTCHNL_RXD_FLEX_RSC_S 10
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#define VIRTCHNL_RXD_FLEX_RSC_M BIT_ULL(VIRTCHNL_RXD_FLEX_RSC_S)
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#define VIRTCHNL_RXD_FLEX_SPH_S 11
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#define VIRTCHNL_RXD_FLEX_SPH_M BIT_ULL(VIRTCHNL_RXD_FLEX_SPH_S)
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#define VIRTCHNL_RXD_FLEX_MISS_S 12
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#define VIRTCHNL_RXD_FLEX_MISS_M \
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BIT_ULL(VIRTCHNL_RXD_FLEX_MISS_S)
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#define VIRTCHNL_RXD_FLEX_FF1_S 13
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#define VIRTCHNL_RXD_FLEX_FF1_M MAKEMASK(0x7UL, VIRTCHNL_RXD_FLEX_FF1_M)
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/* For virtchnl_singleq_base_rx_legacy desc members */
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#define VIRTCHNL_RXD_QW1_LEN_SPH_S 63
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#define VIRTCHNL_RXD_QW1_LEN_SPH_M BIT_ULL(VIRTCHNL_RXD_QW1_LEN_SPH_S)
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#define VIRTCHNL_RXD_QW1_LEN_HBUF_S 52
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#define VIRTCHNL_RXD_QW1_LEN_HBUF_M \
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MAKEMASK(0x7FFULL, VIRTCHNL_RXD_QW1_LEN_HBUF_S)
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#define VIRTCHNL_RXD_QW1_LEN_PBUF_S 38
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#define VIRTCHNL_RXD_QW1_LEN_PBUF_M \
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MAKEMASK(0x3FFFULL, VIRTCHNL_RXD_QW1_LEN_PBUF_S)
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#define VIRTCHNL_RXD_QW1_PTYPE_S 30
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#define VIRTCHNL_RXD_QW1_PTYPE_M \
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MAKEMASK(0xFFULL, VIRTCHNL_RXD_QW1_PTYPE_S)
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#define VIRTCHNL_RXD_QW1_ERROR_S 19
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#define VIRTCHNL_RXD_QW1_ERROR_M \
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MAKEMASK(0xFFUL, VIRTCHNL_RXD_QW1_ERROR_S)
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#define VIRTCHNL_RXD_QW1_STATUS_S 0
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#define VIRTCHNL_RXD_QW1_STATUS_M \
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MAKEMASK(0x7FFFFUL, VIRTCHNL_RXD_QW1_STATUS_S)
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enum virtchnl_rx_flex_desc_status_error_0_qw1_bits {
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/* Note: These are predefined bit offsets */
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VIRTCHNL_RX_FLEX_DESC_STATUS0_DD_S = 0,
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VIRTCHNL_RX_FLEX_DESC_STATUS0_EOF_S,
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VIRTCHNL_RX_FLEX_DESC_STATUS0_HBO_S,
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VIRTCHNL_RX_FLEX_DESC_STATUS0_L3L4P_S,
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VIRTCHNL_RX_FLEX_DESC_STATUS0_XSUM_IPE_S,
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VIRTCHNL_RX_FLEX_DESC_STATUS0_XSUM_L4E_S,
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VIRTCHNL_RX_FLEX_DESC_STATUS0_XSUM_EIPE_S,
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VIRTCHNL_RX_FLEX_DESC_STATUS0_XSUM_EUDPE_S,
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};
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enum virtchnl_rx_flex_desc_status_error_0_qw0_bits {
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VIRTCHNL_RX_FLEX_DESC_STATUS0_LPBK_S = 0,
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VIRTCHNL_RX_FLEX_DESC_STATUS0_IPV6EXADD_S,
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VIRTCHNL_RX_FLEX_DESC_STATUS0_RXE_S,
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VIRTCHNL_RX_FLEX_DESC_STATUS0_CRCP_S,
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VIRTCHNL_RX_FLEX_DESC_STATUS0_RSS_VALID_S,
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VIRTCHNL_RX_FLEX_DESC_STATUS0_L2TAG1P_S,
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VIRTCHNL_RX_FLEX_DESC_STATUS0_XTRMD0_VALID_S,
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VIRTCHNL_RX_FLEX_DESC_STATUS0_XTRMD1_VALID_S,
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VIRTCHNL_RX_FLEX_DESC_STATUS0_LAST /* this entry must be last!!! */
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};
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enum virtchnl_rx_flex_desc_status_error_1_bits {
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/* Note: These are predefined bit offsets */
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VIRTCHNL_RX_FLEX_DESC_STATUS1_RSVD_S = 0, /* 2 bits */
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VIRTCHNL_RX_FLEX_DESC_STATUS1_ATRAEFAIL_S = 2,
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VIRTCHNL_RX_FLEX_DESC_STATUS1_L2TAG2P_S = 3,
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VIRTCHNL_RX_FLEX_DESC_STATUS1_XTRMD2_VALID_S = 4,
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VIRTCHNL_RX_FLEX_DESC_STATUS1_XTRMD3_VALID_S = 5,
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VIRTCHNL_RX_FLEX_DESC_STATUS1_XTRMD4_VALID_S = 6,
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VIRTCHNL_RX_FLEX_DESC_STATUS1_XTRMD5_VALID_S = 7,
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VIRTCHNL_RX_FLEX_DESC_STATUS1_LAST /* this entry must be last!!! */
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};
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enum virtchnl_rx_base_desc_status_bits {
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/* Note: These are predefined bit offsets */
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VIRTCHNL_RX_BASE_DESC_STATUS_DD_S = 0,
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VIRTCHNL_RX_BASE_DESC_STATUS_EOF_S = 1,
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VIRTCHNL_RX_BASE_DESC_STATUS_L2TAG1P_S = 2,
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VIRTCHNL_RX_BASE_DESC_STATUS_L3L4P_S = 3,
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VIRTCHNL_RX_BASE_DESC_STATUS_CRCP_S = 4,
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VIRTCHNL_RX_BASE_DESC_STATUS_RSVD_S = 5, /* 3 BITS */
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VIRTCHNL_RX_BASE_DESC_STATUS_EXT_UDP_0_S = 8,
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VIRTCHNL_RX_BASE_DESC_STATUS_UMBCAST_S = 9, /* 2 BITS */
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VIRTCHNL_RX_BASE_DESC_STATUS_FLM_S = 11,
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VIRTCHNL_RX_BASE_DESC_STATUS_FLTSTAT_S = 12, /* 2 BITS */
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VIRTCHNL_RX_BASE_DESC_STATUS_LPBK_S = 14,
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VIRTCHNL_RX_BASE_DESC_STATUS_IPV6EXADD_S = 15,
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VIRTCHNL_RX_BASE_DESC_STATUS_RSVD1_S = 16, /* 2 BITS */
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VIRTCHNL_RX_BASE_DESC_STATUS_INT_UDP_0_S = 18,
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VIRTCHNL_RX_BASE_DESC_STATUS_LAST /* this entry must be last!!! */
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};
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enum virtchnl_rx_desc_fltstat_values {
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VIRTCHNL_RX_DESC_FLTSTAT_NO_DATA = 0,
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VIRTCHNL_RX_DESC_FLTSTAT_RSV_FD_ID = 1, /* 16byte desc? FD_ID : RSV */
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VIRTCHNL_RX_DESC_FLTSTAT_RSV = 2,
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VIRTCHNL_RX_DESC_FLTSTAT_RSS_HASH = 3,
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};
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enum virtchnl_rx_base_desc_error_bits {
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/* Note: These are predefined bit offsets */
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VIRTCHNL_RX_BASE_DESC_ERROR_RXE_S = 0,
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VIRTCHNL_RX_BASE_DESC_ERROR_ATRAEFAIL_S = 1,
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VIRTCHNL_RX_BASE_DESC_ERROR_HBO_S = 2,
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VIRTCHNL_RX_BASE_DESC_ERROR_L3L4E_S = 3, /* 3 BITS */
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VIRTCHNL_RX_BASE_DESC_ERROR_IPE_S = 3,
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VIRTCHNL_RX_BASE_DESC_ERROR_L4E_S = 4,
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VIRTCHNL_RX_BASE_DESC_ERROR_EIPE_S = 5,
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VIRTCHNL_RX_BASE_DESC_ERROR_OVERSIZE_S = 6,
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VIRTCHNL_RX_BASE_DESC_ERROR_RSVD_S = 7
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};
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/* Receive Descriptors */
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/* splitq buf
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| 16| 0|
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----------------------------------------------------------------
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| RSV | Buffer ID |
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----------------------------------------------------------------
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| Rx packet buffer adresss |
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----------------------------------------------------------------
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| Rx header buffer adresss |
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----------------------------------------------------------------
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| RSV |
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----------------------------------------------------------------
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*/
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struct virtchnl_splitq_rx_buf_desc {
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struct {
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__le16 buf_id; /* Buffer Identifier */
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__le16 rsvd0;
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__le32 rsvd1;
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} qword0;
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__le64 pkt_addr; /* Packet buffer address */
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__le64 hdr_addr; /* Header buffer address */
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__le64 rsvd2;
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}; /* read used with buffer queues*/
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/* singleq buf
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----------------------------------------------------------------
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| Rx packet buffer adresss |
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----------------------------------------------------------------
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| Rx header buffer adresss |
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----------------------------------------------------------------
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| RSV |
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----------------------------------------------------------------
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| RSV |
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----------------------------------------------------------------
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*/
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struct virtchnl_singleq_rx_buf_desc {
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__le64 pkt_addr; /* Packet buffer address */
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__le64 hdr_addr; /* Header buffer address */
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__le64 rsvd1;
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__le64 rsvd2;
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}; /* read used with buffer queues*/
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union virtchnl_rx_buf_desc {
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struct virtchnl_singleq_rx_buf_desc read;
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struct virtchnl_splitq_rx_buf_desc split_rd;
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};
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/* (0x00) singleq wb(compl) */
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struct virtchnl_singleq_base_rx_desc {
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struct {
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struct {
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__le16 mirroring_status;
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__le16 l2tag1;
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} lo_dword;
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union {
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__le32 rss; /* RSS Hash */
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__le32 fd_id; /* Flow Director filter id */
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} hi_dword;
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} qword0;
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struct {
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/* status/error/PTYPE/length */
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__le64 status_error_ptype_len;
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} qword1;
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struct {
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__le16 ext_status; /* extended status */
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__le16 rsvd;
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__le16 l2tag2_1;
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__le16 l2tag2_2;
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} qword2;
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struct {
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__le32 reserved;
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__le32 fd_id;
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} qword3;
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}; /* writeback */
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/* (0x01) singleq flex compl */
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struct virtchnl_rx_flex_desc {
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/* Qword 0 */
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u8 rxdid; /* descriptor builder profile id */
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u8 mir_id_umb_cast; /* mirror=[5:0], umb=[7:6] */
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__le16 ptype_flex_flags0; /* ptype=[9:0], ff0=[15:10] */
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__le16 pkt_len; /* [15:14] are reserved */
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__le16 hdr_len_sph_flex_flags1; /* header=[10:0] */
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/* sph=[11:11] */
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/* ff1/ext=[15:12] */
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/* Qword 1 */
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__le16 status_error0;
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__le16 l2tag1;
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__le16 flex_meta0;
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__le16 flex_meta1;
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/* Qword 2 */
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__le16 status_error1;
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u8 flex_flags2;
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u8 time_stamp_low;
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__le16 l2tag2_1st;
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__le16 l2tag2_2nd;
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/* Qword 3 */
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__le16 flex_meta2;
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__le16 flex_meta3;
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union {
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struct {
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__le16 flex_meta4;
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__le16 flex_meta5;
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} flex;
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__le32 ts_high;
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} flex_ts;
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};
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/* (0x02) */
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struct virtchnl_rx_flex_desc_nic {
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/* Qword 0 */
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u8 rxdid;
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u8 mir_id_umb_cast;
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__le16 ptype_flexi_flags0;
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__le16 pkt_len;
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__le16 hdr_len_sph_flex_flags1;
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/* Qword 1 */
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__le16 status_error0;
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__le16 l2tag1;
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__le32 rss_hash;
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/* Qword 2 */
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__le16 status_error1;
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u8 flexi_flags2;
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u8 ts_low;
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__le16 l2tag2_1st;
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__le16 l2tag2_2nd;
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/* Qword 3 */
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__le32 flow_id;
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union {
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struct {
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__le16 rsvd;
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__le16 flow_id_ipv6;
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} flex;
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__le32 ts_high;
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} flex_ts;
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};
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/* Rx Flex Descriptor Switch Profile
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* RxDID Profile Id 3
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* Flex-field 0: Source Vsi
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*/
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struct virtchnl_rx_flex_desc_sw {
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/* Qword 0 */
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u8 rxdid;
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u8 mir_id_umb_cast;
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__le16 ptype_flexi_flags0;
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__le16 pkt_len;
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__le16 hdr_len_sph_flex_flags1;
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/* Qword 1 */
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__le16 status_error0;
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__le16 l2tag1;
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__le16 src_vsi; /* [10:15] are reserved */
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__le16 flex_md1_rsvd;
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/* Qword 2 */
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__le16 status_error1;
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u8 flex_flags2;
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u8 ts_low;
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__le16 l2tag2_1st;
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__le16 l2tag2_2nd;
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/* Qword 3 */
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__le32 rsvd; /* flex words 2-3 are reserved */
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__le32 ts_high;
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};
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/* Rx Flex Descriptor NIC VEB Profile
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* RxDID Profile Id 4
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* Flex-field 0: Destination Vsi
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*/
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struct virtchnl_rx_flex_desc_nic_veb_dbg {
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/* Qword 0 */
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u8 rxdid;
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u8 mir_id_umb_cast;
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__le16 ptype_flexi_flags0;
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__le16 pkt_len;
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__le16 hdr_len_sph_flex_flags1;
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/* Qword 1 */
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__le16 status_error0;
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__le16 l2tag1;
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__le16 dst_vsi; /* [0:12]: destination vsi */
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/* 13: vsi valid bit */
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/* [14:15] are reserved */
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__le16 flex_field_1;
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/* Qword 2 */
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__le16 status_error1;
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u8 flex_flags2;
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u8 ts_low;
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__le16 l2tag2_1st;
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__le16 l2tag2_2nd;
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/* Qword 3 */
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__le32 rsvd; /* flex words 2-3 are reserved */
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__le32 ts_high;
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};
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/* Rx Flex Descriptor NIC ACL Profile
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* RxDID Profile Id 5
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* Flex-field 0: ACL Counter 0
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* Flex-field 1: ACL Counter 1
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* Flex-field 2: ACL Counter 2
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*/
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struct virtchnl_rx_flex_desc_nic_acl_dbg {
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/* Qword 0 */
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u8 rxdid;
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u8 mir_id_umb_cast;
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__le16 ptype_flexi_flags0;
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__le16 pkt_len;
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__le16 hdr_len_sph_flex_flags1;
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/* Qword 1 */
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__le16 status_error0;
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__le16 l2tag1;
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__le16 acl_ctr0;
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__le16 acl_ctr1;
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/* Qword 2 */
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__le16 status_error1;
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u8 flex_flags2;
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u8 ts_low;
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__le16 l2tag2_1st;
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__le16 l2tag2_2nd;
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|
||
|
/* Qword 3 */
|
||
|
__le16 acl_ctr2;
|
||
|
__le16 rsvd; /* flex words 2-3 are reserved */
|
||
|
__le32 ts_high;
|
||
|
};
|
||
|
|
||
|
/* Rx Flex Descriptor NIC Profile
|
||
|
* RxDID Profile Id 6
|
||
|
* Flex-field 0: RSS hash lower 16-bits
|
||
|
* Flex-field 1: RSS hash upper 16-bits
|
||
|
* Flex-field 2: Flow Id lower 16-bits
|
||
|
* Flex-field 3: Source Vsi
|
||
|
* Flex-field 4: reserved, Vlan id taken from L2Tag
|
||
|
*/
|
||
|
struct virtchnl_rx_flex_desc_nic_2 {
|
||
|
/* Qword 0 */
|
||
|
u8 rxdid;
|
||
|
u8 mir_id_umb_cast;
|
||
|
__le16 ptype_flexi_flags0;
|
||
|
__le16 pkt_len;
|
||
|
__le16 hdr_len_sph_flex_flags1;
|
||
|
|
||
|
/* Qword 1 */
|
||
|
__le16 status_error0;
|
||
|
__le16 l2tag1;
|
||
|
__le32 rss_hash;
|
||
|
|
||
|
/* Qword 2 */
|
||
|
__le16 status_error1;
|
||
|
u8 flexi_flags2;
|
||
|
u8 ts_low;
|
||
|
__le16 l2tag2_1st;
|
||
|
__le16 l2tag2_2nd;
|
||
|
|
||
|
/* Qword 3 */
|
||
|
__le16 flow_id;
|
||
|
__le16 src_vsi;
|
||
|
union {
|
||
|
struct {
|
||
|
__le16 rsvd;
|
||
|
__le16 flow_id_ipv6;
|
||
|
} flex;
|
||
|
__le32 ts_high;
|
||
|
} flex_ts;
|
||
|
};
|
||
|
|
||
|
/* Rx Flex Descriptor Advanced (Split Queue Model)
|
||
|
* RxDID Profile Id 7
|
||
|
*/
|
||
|
struct virtchnl_rx_flex_desc_adv {
|
||
|
/* Qword 0 */
|
||
|
u8 rxdid_ucast; /* profile_id=[3:0] */
|
||
|
/* rsvd=[5:4] */
|
||
|
/* ucast=[7:6] */
|
||
|
u8 status_err0_qw0;
|
||
|
__le16 ptype_err_fflags0; /* ptype=[9:0] */
|
||
|
/* ip_hdr_err=[10:10] */
|
||
|
/* udp_len_err=[11:11] */
|
||
|
/* ff0=[15:12] */
|
||
|
__le16 pktlen_gen_bufq_id; /* plen=[13:0] */
|
||
|
/* gen=[14:14] only in splitq */
|
||
|
/* bufq_id=[15:15] only in splitq */
|
||
|
__le16 hdrlen_flags; /* header=[9:0] */
|
||
|
/* rsc=[10:10] only in splitq */
|
||
|
/* sph=[11:11] only in splitq */
|
||
|
/* ext_udp_0=[12:12] */
|
||
|
/* int_udp_0=[13:13] */
|
||
|
/* trunc_mirr=[14:14] */
|
||
|
/* miss_prepend=[15:15] */
|
||
|
/* Qword 1 */
|
||
|
u8 status_err0_qw1;
|
||
|
u8 status_err1;
|
||
|
u8 fflags1;
|
||
|
u8 ts_low;
|
||
|
__le16 fmd0;
|
||
|
__le16 fmd1;
|
||
|
/* Qword 2 */
|
||
|
__le16 fmd2;
|
||
|
u8 fflags2;
|
||
|
u8 hash3;
|
||
|
__le16 fmd3;
|
||
|
__le16 fmd4;
|
||
|
/* Qword 3 */
|
||
|
__le16 fmd5;
|
||
|
__le16 fmd6;
|
||
|
__le16 fmd7_0;
|
||
|
__le16 fmd7_1;
|
||
|
}; /* writeback */
|
||
|
|
||
|
/* Rx Flex Descriptor Advanced (Split Queue Model) NIC Profile
|
||
|
* RxDID Profile Id 8
|
||
|
* Flex-field 0: BufferID
|
||
|
* Flex-field 1: Raw checksum/L2TAG1/RSC Seg Len (determined by HW)
|
||
|
* Flex-field 2: Hash[15:0]
|
||
|
* Flex-flags 2: Hash[23:16]
|
||
|
* Flex-field 3: L2TAG2
|
||
|
* Flex-field 5: L2TAG1
|
||
|
* Flex-field 7: Timestamp (upper 32 bits)
|
||
|
*/
|
||
|
struct virtchnl_rx_flex_desc_adv_nic_3 {
|
||
|
/* Qword 0 */
|
||
|
u8 rxdid_ucast; /* profile_id=[3:0] */
|
||
|
/* rsvd=[5:4] */
|
||
|
/* ucast=[7:6] */
|
||
|
u8 status_err0_qw0;
|
||
|
__le16 ptype_err_fflags0; /* ptype=[9:0] */
|
||
|
/* ip_hdr_err=[10:10] */
|
||
|
/* udp_len_err=[11:11] */
|
||
|
/* ff0=[15:12] */
|
||
|
__le16 pktlen_gen_bufq_id; /* plen=[13:0] */
|
||
|
/* gen=[14:14] only in splitq */
|
||
|
/* bufq_id=[15:15] only in splitq */
|
||
|
__le16 hdrlen_flags; /* header=[9:0] */
|
||
|
/* rsc=[10:10] only in splitq */
|
||
|
/* sph=[11:11] only in splitq */
|
||
|
/* ext_udp_0=[12:12] */
|
||
|
/* int_udp_0=[13:13] */
|
||
|
/* trunc_mirr=[14:14] */
|
||
|
/* miss_prepend=[15:15] */
|
||
|
/* Qword 1 */
|
||
|
u8 status_err0_qw1;
|
||
|
u8 status_err1;
|
||
|
u8 fflags1;
|
||
|
u8 ts_low;
|
||
|
__le16 buf_id; /* only in splitq */
|
||
|
union {
|
||
|
__le16 raw_cs;
|
||
|
__le16 l2tag1;
|
||
|
__le16 rscseglen;
|
||
|
} misc;
|
||
|
/* Qword 2 */
|
||
|
__le16 hash1;
|
||
|
union {
|
||
|
u8 fflags2;
|
||
|
u8 mirrorid;
|
||
|
u8 hash2;
|
||
|
} ff2_mirrid_hash2;
|
||
|
u8 hash3;
|
||
|
__le16 l2tag2;
|
||
|
__le16 fmd4;
|
||
|
/* Qword 3 */
|
||
|
__le16 l2tag1;
|
||
|
__le16 fmd6;
|
||
|
__le32 ts_high;
|
||
|
}; /* writeback */
|
||
|
|
||
|
union virtchnl_rx_desc {
|
||
|
struct virtchnl_singleq_rx_buf_desc read;
|
||
|
struct virtchnl_singleq_base_rx_desc base_wb;
|
||
|
struct virtchnl_rx_flex_desc flex_wb;
|
||
|
struct virtchnl_rx_flex_desc_adv flex_wb_adv;
|
||
|
};
|
||
|
|
||
|
#endif /* _VIRTCHNL_LAN_DESC_H_ */
|