diff options
| author |   Damjan Marion <damarion@cisco.com> | 2023-11-13 12:18:24 +0000 |
|---|---|---|
| committer | Damjan Marion <damarion@cisco.com> | 2023-11-13 19:05:17 +0000 |
| commit | 2d725c61286ccb8625ffad5c678cee337f88bceb (patch) | |
| tree | c3b70710a4f4e5b30c68a6791af151b9de787c62 /src/plugins/dev_ena/ena_io_defs.h | |
| parent | e596ca1b51d25c24bd06132f9824d4bd0c6a5ecc (diff) | |
ena: Amazon Elastic Network Adapter (ENA) native driver
Type: feature
Change-Id: Icd9de05f2cbac0e5a6dfb1f1414f21dc4b893104
Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/plugins/dev_ena/ena_io_defs.h')
| -rw-r--r-- | src/plugins/dev_ena/ena_io_defs.h | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/src/plugins/dev_ena/ena_io_defs.h b/src/plugins/dev_ena/ena_io_defs.h new file mode 100644 index 00000000000..89ca2ac6498 --- /dev/null +++ b/src/plugins/dev_ena/ena_io_defs.h @@ -0,0 +1,179 @@ +/* SPDX-License-Identifier: Apache-2.0 + * Copyright(c) 2023 Cisco Systems, Inc. + */ + +#ifndef _ENA_IO_DEFS_H_ +#define _ENA_IO_DEFS_H_ + +#include <vppinfra/clib.h> +#include <vppinfra/error_bootstrap.h> +#include <vppinfra/vector.h> + +typedef struct +{ + u16 length; /* 0 = 64K */ + u8 reserved2; + union + { + struct + { + u8 phase : 1; + u8 reserved1 : 1; + u8 first : 1; /* first descriptor in transaction */ + u8 last : 1; /* last descriptor in transaction */ + u8 comp_req : 1; /* should completion be posted? */ + u8 reserved5 : 1; + u8 reserved67 : 2; + }; + u8 ctrl; + }; + u16 req_id; + u16 reserved6; +} ena_rx_desc_lo_t; + +STATIC_ASSERT_SIZEOF (ena_rx_desc_lo_t, 8); + +typedef struct +{ + union + { + struct + { + ena_rx_desc_lo_t lo; + u32 buff_addr_lo; + u16 buff_addr_hi; + u16 reserved16_w3; + }; + u64x2 as_u64x2; + }; +} ena_rx_desc_t; + +STATIC_ASSERT_SIZEOF (ena_rx_desc_t, 16); + +#define foreach_ena_rx_cdesc_status \ + _ (5, l3_proto_idx) \ + _ (2, src_vlan_cnt) \ + _ (1, _reserved7) \ + _ (5, l4_proto_idx) \ + _ (1, l3_csum_err) \ + _ (1, l4_csum_err) \ + _ (1, ipv4_frag) \ + _ (1, l4_csum_checked) \ + _ (7, _reserved17) \ + _ (1, phase) \ + _ (1, l3_csum2) \ + _ (1, first) \ + _ (1, last) \ + _ (2, _reserved28) \ + _ (1, buffer) \ + _ (1, _reserved31) + +typedef struct +{ + union + { + struct + { +#define _(b, n) u32 n : (b); + foreach_ena_rx_cdesc_status +#undef _ + }; + u32 as_u32; + }; +} ena_rx_cdesc_status_t; + +typedef struct +{ + ena_rx_cdesc_status_t status; + u16 length; + u16 req_id; + u32 hash; + u16 sub_qid; + u8 offset; + u8 reserved; +} ena_rx_cdesc_t; + +STATIC_ASSERT_SIZEOF (ena_rx_cdesc_t, 16); + +#define foreach_ena_tx_desc \ + /* len_ctrl */ \ + _ (16, length) \ + _ (6, req_id_hi) \ + _ (1, _reserved0_22) \ + _ (1, meta_desc) \ + _ (1, phase) \ + _ (1, _reserved0_25) \ + _ (1, first) \ + _ (1, last) \ + _ (1, comp_req) \ + _ (2, _reserved0_29) \ + _ (1, _reserved0_31) \ + /* meta_ctrl */ \ + _ (4, l3_proto_idx) \ + _ (1, df) \ + _ (2, _reserved1_5) \ + _ (1, tso_en) \ + _ (5, l4_proto_idx) \ + _ (1, l3_csum_en) \ + _ (1, l4_csum_en) \ + _ (1, ethernet_fcs_dis) \ + _ (1, _reserved1_16) \ + _ (1, l4_csum_partial) \ + _ (3, _reserved_1_18) \ + _ (1, _reserved_1_21) \ + _ (10, req_id_lo) + +typedef struct +{ + union + { + struct + { +#define _(b, n) u32 n : (b); + foreach_ena_tx_desc +#undef _ + u32 buff_addr_lo; + u16 buff_addr_hi; + u8 _reserved3_16; + u8 header_length; + }; + + u16x8 as_u16x8; + u32x4 as_u32x4; + u64x2 as_u64x2; + }; +} ena_tx_desc_t; + +STATIC_ASSERT_SIZEOF (ena_tx_desc_t, 16); + +typedef struct +{ + ena_tx_desc_t desc[2]; + u8 data[96]; +} __clib_aligned (128) +ena_tx_llq_desc128_t; +STATIC_ASSERT_SIZEOF (ena_tx_llq_desc128_t, 128); + +typedef union +{ + struct + { + u16 req_id; + u8 status; + union + { + struct + { + u8 phase : 1; + }; + u8 flags; + }; + u16 sub_qid; + u16 sq_head_idx; + }; + u64 as_u64; +} ena_tx_cdesc_t; + +STATIC_ASSERT_SIZEOF (ena_tx_cdesc_t, 8); + +#endif /* _ENA_IO_DEFS_H_ */ |