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/* SPDX-License-Identifier: Apache-2.0
* Copyright (c) 2023 Cisco Systems, Inc.
*/
#ifndef _IIAVF_DESC_H_
#define _IIAVF_DESC_H_
#include <vppinfra/clib.h>
#include <vppinfra/error_bootstrap.h>
#include <vppinfra/format.h>
#include <vnet/vnet.h>
#include <vnet/dev/dev.h>
#include <dev_iavf/virtchnl.h>
#define IAVF_RX_MAX_DESC_IN_CHAIN 5
#define IAVF_TXD_CMD(x) (1 << (x + 4))
#define IAVF_TXD_CMD_EXT(x, val) ((u64) val << (x + 4))
#define IAVF_TXD_CMD_EOP IAVF_TXD_CMD (0)
#define IAVF_TXD_CMD_RS IAVF_TXD_CMD (1)
#define IAVF_TXD_CMD_RSV IAVF_TXD_CMD (2)
#define IAVF_TXD_CMD_IIPT_NONE IAVF_TXD_CMD_EXT (5, 0)
#define IAVF_TXD_CMD_IIPT_IPV6 IAVF_TXD_CMD_EXT (5, 1)
#define IAVF_TXD_CMD_IIPT_IPV4_NO_CSUM IAVF_TXD_CMD_EXT (5, 2)
#define IAVF_TXD_CMD_IIPT_IPV4 IAVF_TXD_CMD_EXT (5, 3)
#define IAVF_TXD_CMD_L4T_UNKNOWN IAVF_TXD_CMD_EXT (8, 0)
#define IAVF_TXD_CMD_L4T_TCP IAVF_TXD_CMD_EXT (8, 1)
#define IAVF_TXD_CMD_L4T_SCTP IAVF_TXD_CMD_EXT (8, 2)
#define IAVF_TXD_CMD_L4T_UDP IAVF_TXD_CMD_EXT (8, 3)
#define IAVF_TXD_OFFSET(x, factor, val) \
(((u64) val / (u64) factor) << (16 + x))
#define IAVF_TXD_OFFSET_MACLEN(val) IAVF_TXD_OFFSET (0, 2, val)
#define IAVF_TXD_OFFSET_IPLEN(val) IAVF_TXD_OFFSET (7, 4, val)
#define IAVF_TXD_OFFSET_L4LEN(val) IAVF_TXD_OFFSET (14, 4, val)
#define IAVF_TXD_DTYP_CTX 0x1ULL
#define IAVF_TXD_CTX_CMD_TSO IAVF_TXD_CMD (0)
#define IAVF_TXD_CTX_SEG(val, x) (((u64) val) << (30 + x))
#define IAVF_TXD_CTX_SEG_TLEN(val) IAVF_TXD_CTX_SEG (val, 0)
#define IAVF_TXD_CTX_SEG_MSS(val) IAVF_TXD_CTX_SEG (val, 20)
typedef union
{
struct
{
u32 mirr : 13;
u32 _reserved1 : 3;
u32 l2tag1 : 16;
u32 filter_status;
};
u64 as_u64;
} iavf_rx_desc_qw0_t;
typedef union
{
struct
{
/* status */
u64 dd : 1;
u64 eop : 1;
u64 l2tag1p : 1;
u64 l3l4p : 1;
u64 crcp : 1;
u64 _reserved2 : 4;
u64 ubmcast : 2;
u64 flm : 1;
u64 fltstat : 2;
u64 lpbk : 1;
u64 ipv6exadd : 1;
u64 _reserved3 : 2;
u64 int_udp_0 : 1;
/* error */
u64 _reserved_err0 : 3;
u64 ipe : 1;
u64 l4e : 1;
u64 _reserved_err5 : 1;
u64 oversize : 1;
u64 _reserved_err7 : 1;
u64 rsv2 : 3;
u64 ptype : 8;
u64 length : 26;
};
u64 as_u64;
} iavf_rx_desc_qw1_t;
STATIC_ASSERT_SIZEOF (iavf_rx_desc_qw0_t, 8);
STATIC_ASSERT_SIZEOF (iavf_rx_desc_qw1_t, 8);
typedef struct
{
union
{
struct
{
iavf_rx_desc_qw0_t qw0;
iavf_rx_desc_qw0_t qw1;
u64 rsv3 : 64;
u32 flex_lo;
u32 fdid_flex_hi;
};
u64 qword[4];
u64 addr;
#ifdef CLIB_HAVE_VEC256
u64x4 as_u64x4;
#endif
};
} iavf_rx_desc_t;
STATIC_ASSERT_SIZEOF (iavf_rx_desc_t, 32);
typedef struct
{
union
{
u64 qword[2];
#ifdef CLIB_HAVE_VEC128
u64x2 as_u64x2;
#endif
};
} iavf_tx_desc_t;
STATIC_ASSERT_SIZEOF (iavf_tx_desc_t, 16);
#endif /* _IIAVF_DESC_H_ */
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