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sys/dev/ice/virtchnl_lan_desc.h

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/* SPDX-License-Identifier: BSD-3-Clause */
/* Copyright (c) 2021, Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*$FreeBSD$*/
#ifndef _VIRTCHNL_LAN_DESC_H_
#define _VIRTCHNL_LAN_DESC_H_
/* Rx */
/* For virtchnl_splitq_base_rx_flex desc members */
#define VIRTCHNL_RXD_FLEX_PTYPE_S 0
#define VIRTCHNL_RXD_FLEX_PTYPE_M \
MAKEMASK(0x3FFUL, VIRTCHNL_RXD_FLEX_PTYPE_S)
#define VIRTCHNL_RXD_FLEX_UMBCAST_S 10
#define VIRTCHNL_RXD_FLEX_UMBCAST_M \
MAKEMASK(0x3UL, VIRTCHNL_RXD_FLEX_UMBCAST_S)
#define VIRTCHNL_RXD_FLEX_FF0_S 12
#define VIRTCHNL_RXD_FLEX_FF0_M MAKEMASK(0xFUL, VIRTCHNL_RXD_FLEX_FF0_S)
#define VIRTCHNL_RXD_FLEX_LEN_PBUF_S 0
#define VIRTCHNL_RXD_FLEX_LEN_PBUF_M \
MAKEMASK(0x3FFFUL, VIRTCHNL_RXD_FLEX_LEN_PBUF_S)
#define VIRTCHNL_RXD_FLEX_GEN_S 14
#define VIRTCHNL_RXD_FLEX_GEN_M BIT_ULL(VIRTCHNL_RXD_FLEX_GEN_S)
#define VIRTCHNL_RXD_FLEX_BUFQ_ID_S 15
#define VIRTCHNL_RXD_FLEX_BUFQ_ID_M \
BIT_ULL(VIRTCHNL_RXD_FLEX_BUFQ_ID_S)
#define VIRTCHNL_RXD_FLEX_LEN_HDR_S 0
#define VIRTCHNL_RXD_FLEX_LEN_HDR_M \
MAKEMASK(0x3FFUL, VIRTCHNL_RXD_FLEX_LEN_HDR_S)
#define VIRTCHNL_RXD_FLEX_RSC_S 10
#define VIRTCHNL_RXD_FLEX_RSC_M BIT_ULL(VIRTCHNL_RXD_FLEX_RSC_S)
#define VIRTCHNL_RXD_FLEX_SPH_S 11
#define VIRTCHNL_RXD_FLEX_SPH_M BIT_ULL(VIRTCHNL_RXD_FLEX_SPH_S)
#define VIRTCHNL_RXD_FLEX_MISS_S 12
#define VIRTCHNL_RXD_FLEX_MISS_M \
BIT_ULL(VIRTCHNL_RXD_FLEX_MISS_S)
#define VIRTCHNL_RXD_FLEX_FF1_S 13
#define VIRTCHNL_RXD_FLEX_FF1_M MAKEMASK(0x7UL, VIRTCHNL_RXD_FLEX_FF1_M)
/* For virtchnl_singleq_base_rx_legacy desc members */
#define VIRTCHNL_RXD_QW1_LEN_SPH_S 63
#define VIRTCHNL_RXD_QW1_LEN_SPH_M BIT_ULL(VIRTCHNL_RXD_QW1_LEN_SPH_S)
#define VIRTCHNL_RXD_QW1_LEN_HBUF_S 52
#define VIRTCHNL_RXD_QW1_LEN_HBUF_M \
MAKEMASK(0x7FFULL, VIRTCHNL_RXD_QW1_LEN_HBUF_S)
#define VIRTCHNL_RXD_QW1_LEN_PBUF_S 38
#define VIRTCHNL_RXD_QW1_LEN_PBUF_M \
MAKEMASK(0x3FFFULL, VIRTCHNL_RXD_QW1_LEN_PBUF_S)
#define VIRTCHNL_RXD_QW1_PTYPE_S 30
#define VIRTCHNL_RXD_QW1_PTYPE_M \
MAKEMASK(0xFFULL, VIRTCHNL_RXD_QW1_PTYPE_S)
#define VIRTCHNL_RXD_QW1_ERROR_S 19
#define VIRTCHNL_RXD_QW1_ERROR_M \
MAKEMASK(0xFFUL, VIRTCHNL_RXD_QW1_ERROR_S)
#define VIRTCHNL_RXD_QW1_STATUS_S 0
#define VIRTCHNL_RXD_QW1_STATUS_M \
MAKEMASK(0x7FFFFUL, VIRTCHNL_RXD_QW1_STATUS_S)
enum virtchnl_rx_flex_desc_status_error_0_qw1_bits {
/* Note: These are predefined bit offsets */
VIRTCHNL_RX_FLEX_DESC_STATUS0_DD_S = 0,
VIRTCHNL_RX_FLEX_DESC_STATUS0_EOF_S,
VIRTCHNL_RX_FLEX_DESC_STATUS0_HBO_S,
VIRTCHNL_RX_FLEX_DESC_STATUS0_L3L4P_S,
VIRTCHNL_RX_FLEX_DESC_STATUS0_XSUM_IPE_S,
VIRTCHNL_RX_FLEX_DESC_STATUS0_XSUM_L4E_S,
VIRTCHNL_RX_FLEX_DESC_STATUS0_XSUM_EIPE_S,
VIRTCHNL_RX_FLEX_DESC_STATUS0_XSUM_EUDPE_S,
};
enum virtchnl_rx_flex_desc_status_error_0_qw0_bits {
VIRTCHNL_RX_FLEX_DESC_STATUS0_LPBK_S = 0,
VIRTCHNL_RX_FLEX_DESC_STATUS0_IPV6EXADD_S,
VIRTCHNL_RX_FLEX_DESC_STATUS0_RXE_S,
VIRTCHNL_RX_FLEX_DESC_STATUS0_CRCP_S,
VIRTCHNL_RX_FLEX_DESC_STATUS0_RSS_VALID_S,
VIRTCHNL_RX_FLEX_DESC_STATUS0_L2TAG1P_S,
VIRTCHNL_RX_FLEX_DESC_STATUS0_XTRMD0_VALID_S,
VIRTCHNL_RX_FLEX_DESC_STATUS0_XTRMD1_VALID_S,
VIRTCHNL_RX_FLEX_DESC_STATUS0_LAST /* this entry must be last!!! */
};
enum virtchnl_rx_flex_desc_status_error_1_bits {
/* Note: These are predefined bit offsets */
VIRTCHNL_RX_FLEX_DESC_STATUS1_RSVD_S = 0, /* 2 bits */
VIRTCHNL_RX_FLEX_DESC_STATUS1_ATRAEFAIL_S = 2,
VIRTCHNL_RX_FLEX_DESC_STATUS1_L2TAG2P_S = 3,
VIRTCHNL_RX_FLEX_DESC_STATUS1_XTRMD2_VALID_S = 4,
VIRTCHNL_RX_FLEX_DESC_STATUS1_XTRMD3_VALID_S = 5,
VIRTCHNL_RX_FLEX_DESC_STATUS1_XTRMD4_VALID_S = 6,
VIRTCHNL_RX_FLEX_DESC_STATUS1_XTRMD5_VALID_S = 7,
VIRTCHNL_RX_FLEX_DESC_STATUS1_LAST /* this entry must be last!!! */
};
enum virtchnl_rx_base_desc_status_bits {
/* Note: These are predefined bit offsets */
VIRTCHNL_RX_BASE_DESC_STATUS_DD_S = 0,
VIRTCHNL_RX_BASE_DESC_STATUS_EOF_S = 1,
VIRTCHNL_RX_BASE_DESC_STATUS_L2TAG1P_S = 2,
VIRTCHNL_RX_BASE_DESC_STATUS_L3L4P_S = 3,
VIRTCHNL_RX_BASE_DESC_STATUS_CRCP_S = 4,
VIRTCHNL_RX_BASE_DESC_STATUS_RSVD_S = 5, /* 3 BITS */
VIRTCHNL_RX_BASE_DESC_STATUS_EXT_UDP_0_S = 8,
VIRTCHNL_RX_BASE_DESC_STATUS_UMBCAST_S = 9, /* 2 BITS */
VIRTCHNL_RX_BASE_DESC_STATUS_FLM_S = 11,
VIRTCHNL_RX_BASE_DESC_STATUS_FLTSTAT_S = 12, /* 2 BITS */
VIRTCHNL_RX_BASE_DESC_STATUS_LPBK_S = 14,
VIRTCHNL_RX_BASE_DESC_STATUS_IPV6EXADD_S = 15,
VIRTCHNL_RX_BASE_DESC_STATUS_RSVD1_S = 16, /* 2 BITS */
VIRTCHNL_RX_BASE_DESC_STATUS_INT_UDP_0_S = 18,
VIRTCHNL_RX_BASE_DESC_STATUS_LAST /* this entry must be last!!! */
};
enum virtchnl_rx_desc_fltstat_values {
VIRTCHNL_RX_DESC_FLTSTAT_NO_DATA = 0,
VIRTCHNL_RX_DESC_FLTSTAT_RSV_FD_ID = 1, /* 16byte desc? FD_ID : RSV */
VIRTCHNL_RX_DESC_FLTSTAT_RSV = 2,
VIRTCHNL_RX_DESC_FLTSTAT_RSS_HASH = 3,
};
enum virtchnl_rx_base_desc_error_bits {
/* Note: These are predefined bit offsets */
VIRTCHNL_RX_BASE_DESC_ERROR_RXE_S = 0,
VIRTCHNL_RX_BASE_DESC_ERROR_ATRAEFAIL_S = 1,
VIRTCHNL_RX_BASE_DESC_ERROR_HBO_S = 2,
VIRTCHNL_RX_BASE_DESC_ERROR_L3L4E_S = 3, /* 3 BITS */
VIRTCHNL_RX_BASE_DESC_ERROR_IPE_S = 3,
VIRTCHNL_RX_BASE_DESC_ERROR_L4E_S = 4,
VIRTCHNL_RX_BASE_DESC_ERROR_EIPE_S = 5,
VIRTCHNL_RX_BASE_DESC_ERROR_OVERSIZE_S = 6,
VIRTCHNL_RX_BASE_DESC_ERROR_RSVD_S = 7
};
/* Receive Descriptors */
/* splitq buf
| 16| 0|
----------------------------------------------------------------
| RSV | Buffer ID |
----------------------------------------------------------------
| Rx packet buffer adresss |
----------------------------------------------------------------
| Rx header buffer adresss |
----------------------------------------------------------------
| RSV |
----------------------------------------------------------------
| 0|
*/
struct virtchnl_splitq_rx_buf_desc {
struct {
__le16 buf_id; /* Buffer Identifier */
__le16 rsvd0;
__le32 rsvd1;
} qword0;
__le64 pkt_addr; /* Packet buffer address */
__le64 hdr_addr; /* Header buffer address */
__le64 rsvd2;
}; /* read used with buffer queues*/
/* singleq buf
| 0|
----------------------------------------------------------------
| Rx packet buffer adresss |
----------------------------------------------------------------
| Rx header buffer adresss |
----------------------------------------------------------------
| RSV |
----------------------------------------------------------------
| RSV |
----------------------------------------------------------------
| 0|
*/
struct virtchnl_singleq_rx_buf_desc {
__le64 pkt_addr; /* Packet buffer address */
__le64 hdr_addr; /* Header buffer address */
__le64 rsvd1;
__le64 rsvd2;
}; /* read used with buffer queues*/
union virtchnl_rx_buf_desc {
struct virtchnl_singleq_rx_buf_desc read;
struct virtchnl_splitq_rx_buf_desc split_rd;
};
/* (0x00) singleq wb(compl) */
struct virtchnl_singleq_base_rx_desc {
struct {
struct {
__le16 mirroring_status;
__le16 l2tag1;
} lo_dword;
union {
__le32 rss; /* RSS Hash */
__le32 fd_id; /* Flow Director filter id */
} hi_dword;
} qword0;
struct {
/* status/error/PTYPE/length */
__le64 status_error_ptype_len;
} qword1;
struct {
__le16 ext_status; /* extended status */
__le16 rsvd;
__le16 l2tag2_1;
__le16 l2tag2_2;
} qword2;
struct {
__le32 reserved;
__le32 fd_id;
} qword3;
}; /* writeback */
/* (0x01) singleq flex compl */
struct virtchnl_rx_flex_desc {
/* Qword 0 */
u8 rxdid; /* descriptor builder profile id */
u8 mir_id_umb_cast; /* mirror=[5:0], umb=[7:6] */
__le16 ptype_flex_flags0; /* ptype=[9:0], ff0=[15:10] */
__le16 pkt_len; /* [15:14] are reserved */
__le16 hdr_len_sph_flex_flags1; /* header=[10:0] */
/* sph=[11:11] */
/* ff1/ext=[15:12] */
/* Qword 1 */
__le16 status_error0;
__le16 l2tag1;
__le16 flex_meta0;
__le16 flex_meta1;
/* Qword 2 */
__le16 status_error1;
u8 flex_flags2;
u8 time_stamp_low;
__le16 l2tag2_1st;
__le16 l2tag2_2nd;
/* Qword 3 */
__le16 flex_meta2;
__le16 flex_meta3;
union {
struct {
__le16 flex_meta4;
__le16 flex_meta5;
} flex;
__le32 ts_high;
} flex_ts;
};
/* (0x02) */
struct virtchnl_rx_flex_desc_nic {
/* 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 */
__le32 flow_id;
union {
struct {
__le16 rsvd;
__le16 flow_id_ipv6;
} flex;
__le32 ts_high;
} flex_ts;
};
/* Rx Flex Descriptor Switch Profile
* RxDID Profile Id 3
* Flex-field 0: Source Vsi
*/
struct virtchnl_rx_flex_desc_sw {
/* 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;
__le16 src_vsi; /* [10:15] are reserved */
__le16 flex_md1_rsvd;
/* Qword 2 */
__le16 status_error1;
u8 flex_flags2;
u8 ts_low;
__le16 l2tag2_1st;
__le16 l2tag2_2nd;
/* Qword 3 */
__le32 rsvd; /* flex words 2-3 are reserved */
__le32 ts_high;
};
/* Rx Flex Descriptor NIC VEB Profile
* RxDID Profile Id 4
* Flex-field 0: Destination Vsi
*/
struct virtchnl_rx_flex_desc_nic_veb_dbg {
/* 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;
__le16 dst_vsi; /* [0:12]: destination vsi */
/* 13: vsi valid bit */
/* [14:15] are reserved */
__le16 flex_field_1;
/* Qword 2 */
__le16 status_error1;
u8 flex_flags2;
u8 ts_low;
__le16 l2tag2_1st;
__le16 l2tag2_2nd;
/* Qword 3 */
__le32 rsvd; /* flex words 2-3 are reserved */
__le32 ts_high;
};
/* Rx Flex Descriptor NIC ACL Profile
* RxDID Profile Id 5
* Flex-field 0: ACL Counter 0
* Flex-field 1: ACL Counter 1
* Flex-field 2: ACL Counter 2
*/
struct virtchnl_rx_flex_desc_nic_acl_dbg {
/* 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;
__le16 acl_ctr0;
__le16 acl_ctr1;
/* Qword 2 */
__le16 status_error1;
u8 flex_flags2;
u8 ts_low;
__le16 l2tag2_1st;
__le16 l2tag2_2nd;
/* 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_ */