rdma.h File Reference

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Data Structures
struct	rdma_mlx5_wqe_t
struct	rdma_rxq_t
struct	rdma_txq_t
struct	rdma_device_t
struct	rdma_per_thread_data_t
struct	rdma_main_t
struct	rdma_create_if_args_t
struct	rdma_input_trace_t

Macros
#define	foreach_rdma_device_flags
#define	MLX5_ETH_L2_INLINE_HEADER_SIZE   18
#define	RDMA_MLX5_WQE_SZ   sizeof(rdma_mlx5_wqe_t)
#define	RDMA_MLX5_WQE_DS   (RDMA_MLX5_WQE_SZ/sizeof(struct mlx5_wqe_data_seg))
#define	RDMA_TXQ_DV_INVALID_ID   0xffffffff
#define	RDMA_TXQ_BUF_SZ(txq)   (1U << (txq)->bufs_log2sz)
#define	RDMA_TXQ_DV_SQ_SZ(txq)   (1U << (txq)->dv_sq_log2sz)
#define	RDMA_TXQ_DV_CQ_SZ(txq)   (1U << (txq)->dv_cq_log2sz)
#define	RDMA_TXQ_USED_SZ(head, tail)   ((u16)((u16)(tail) - (u16)(head)))
#define	RDMA_TXQ_AVAIL_SZ(txq, head, tail)   ((u16)(RDMA_TXQ_BUF_SZ (txq) - RDMA_TXQ_USED_SZ (head, tail)))
#define	RDMA_RXQ_MAX_CHAIN_LOG_SZ   3 /* This should NOT be lower than 3! */
#define	RDMA_RXQ_MAX_CHAIN_SZ   (1U << RDMA_RXQ_MAX_CHAIN_LOG_SZ)
#define	RDMA_RXQ_LEGACY_MODE_MAX_CHAIN_SZ   5
#define	foreach_rdma_tx_func_error

Enumerations
enum	{ foreach_rdma_device_flags }
enum	rdma_rss4_t { RDMA_RSS4_AUTO = 0, RDMA_RSS4_IP, RDMA_RSS4_IP_UDP, RDMA_RSS4_IP_TCP }
enum	rdma_rss6_t { RDMA_RSS6_AUTO = 0, RDMA_RSS6_IP, RDMA_RSS6_IP_UDP, RDMA_RSS6_IP_TCP }
enum	rdma_mode_t { RDMA_MODE_AUTO = 0, RDMA_MODE_IBV, RDMA_MODE_DV }
enum	rdma_tx_func_error_t { RDMA_TX_N_ERROR }

Functions
	STATIC_ASSERT (RDMA_MLX5_WQE_SZ==MLX5_SEND_WQE_BB &&RDMA_MLX5_WQE_SZ % sizeof(struct mlx5_wqe_data_seg)==0, "bad size")
	STATIC_ASSERT_OFFSET_OF (rdma_txq_t, cacheline1, 64)
	STATIC_ASSERT_OFFSET_OF (rdma_txq_t, cacheline2, 128)
void	rdma_create_if (vlib_main_t *vm, rdma_create_if_args_t *args)
void	rdma_delete_if (vlib_main_t *vm, rdma_device_t *rd)

Variables
rdma_main_t	rdma_main
vlib_node_registration_t	rdma_input_node
	(constructor) VLIB_REGISTER_NODE (rdma_input_node) More...
vnet_device_class_t	rdma_device_class
format_function_t	format_rdma_device
format_function_t	format_rdma_device_name
format_function_t	format_rdma_input_trace
format_function_t	format_rdma_rxq
unformat_function_t	unformat_rdma_create_if_args

Macro Definition Documentation

foreach_rdma_device_flags

#define foreach_rdma_device_flags

Value:

  _(0, ERROR, "error") \
  _(1, ADMIN_UP, "admin-up") \
  _(2, LINK_UP, "link-up") \
  _(3, PROMISC, "promiscuous") \
  _(4, MLX5DV, "mlx5dv") \
  _(5, STRIDING_RQ, "striding-rq")

Definition at line 28 of file rdma.h.

foreach_rdma_tx_func_error

#define foreach_rdma_tx_func_error

Value:

_(SEGMENT_SIZE_EXCEEDED, "segment size exceeded") \
_(NO_FREE_SLOTS, "no free tx slots") \
_(SUBMISSION, "tx submission errors") \
_(COMPLETION, "tx completion errors")

Definition at line 314 of file rdma.h.

MLX5_ETH_L2_INLINE_HEADER_SIZE

#define MLX5_ETH_L2_INLINE_HEADER_SIZE   18

Definition at line 44 of file rdma.h.

RDMA_MLX5_WQE_DS

#define RDMA_MLX5_WQE_DS   (RDMA_MLX5_WQE_SZ/sizeof(struct mlx5_wqe_data_seg))

Definition at line 65 of file rdma.h.

RDMA_MLX5_WQE_SZ

#define RDMA_MLX5_WQE_SZ   sizeof(rdma_mlx5_wqe_t)

Definition at line 64 of file rdma.h.

RDMA_RXQ_LEGACY_MODE_MAX_CHAIN_SZ

#define RDMA_RXQ_LEGACY_MODE_MAX_CHAIN_SZ   5

Definition at line 176 of file rdma.h.

RDMA_RXQ_MAX_CHAIN_LOG_SZ

#define RDMA_RXQ_MAX_CHAIN_LOG_SZ   3 /* This should NOT be lower than 3! */

Definition at line 174 of file rdma.h.

RDMA_RXQ_MAX_CHAIN_SZ

#define RDMA_RXQ_MAX_CHAIN_SZ   (1U << RDMA_RXQ_MAX_CHAIN_LOG_SZ)

Definition at line 175 of file rdma.h.

RDMA_TXQ_AVAIL_SZ

#define RDMA_TXQ_AVAIL_SZ	(		txq,
			head,
			tail
	)		((u16)(RDMA_TXQ_BUF_SZ (txq) - RDMA_TXQ_USED_SZ (head, tail)))

Definition at line 173 of file rdma.h.

RDMA_TXQ_BUF_SZ

#define RDMA_TXQ_BUF_SZ

(

txq

)

(1U << (txq)->bufs_log2sz)

Definition at line 168 of file rdma.h.

RDMA_TXQ_DV_CQ_SZ

#define RDMA_TXQ_DV_CQ_SZ

(

txq

)

(1U << (txq)->dv_cq_log2sz)

Definition at line 170 of file rdma.h.

RDMA_TXQ_DV_INVALID_ID

#define RDMA_TXQ_DV_INVALID_ID   0xffffffff

Definition at line 166 of file rdma.h.

RDMA_TXQ_DV_SQ_SZ

#define RDMA_TXQ_DV_SQ_SZ

(

txq

)

(1U << (txq)->dv_sq_log2sz)

Definition at line 169 of file rdma.h.

RDMA_TXQ_USED_SZ

#define RDMA_TXQ_USED_SZ	(		head,
			tail
	)		((u16)((u16)(tail) - (u16)(head)))

Definition at line 172 of file rdma.h.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
foreach_rdma_device_flags

Definition at line 36 of file rdma.h.

rdma_mode_t

enum rdma_mode_t

Enumerator
RDMA_MODE_AUTO
RDMA_MODE_IBV
RDMA_MODE_DV

Definition at line 268 of file rdma.h.

rdma_rss4_t

enum rdma_rss4_t

Enumerator
RDMA_RSS4_AUTO
RDMA_RSS4_IP
RDMA_RSS4_IP_UDP
RDMA_RSS4_IP_TCP

Definition at line 178 of file rdma.h.

rdma_rss6_t

enum rdma_rss6_t

Enumerator
RDMA_RSS6_AUTO
RDMA_RSS6_IP
RDMA_RSS6_IP_UDP
RDMA_RSS6_IP_TCP

Definition at line 186 of file rdma.h.

rdma_tx_func_error_t

enum rdma_tx_func_error_t

Enumerator
RDMA_TX_N_ERROR

Definition at line 320 of file rdma.h.

Function Documentation

rdma_create_if()

void rdma_create_if	(	vlib_main_t *	vm,
		rdma_create_if_args_t *	args
	)

Definition at line 881 of file device.c.

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rdma_delete_if()

void rdma_delete_if	(	vlib_main_t *	vm,
		rdma_device_t *	rd
	)

Definition at line 1052 of file device.c.

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STATIC_ASSERT()

STATIC_ASSERT	(	RDMA_MLX5_WQE_SZ	= =MLX5_SEND_WQE_BB &&RDMA_MLX5_WQE_SZ % sizeof(struct mlx5_wqe_data_seg)==0,
		"bad size"
	)

STATIC_ASSERT_OFFSET_OF() [1/2]

STATIC_ASSERT_OFFSET_OF	(	rdma_txq_t	,
		cacheline1	,
		64
	)

STATIC_ASSERT_OFFSET_OF() [2/2]

STATIC_ASSERT_OFFSET_OF	(	rdma_txq_t	,
		cacheline2	,
		128
	)

Variable Documentation

format_rdma_device

format_function_t format_rdma_device

Definition at line 301 of file rdma.h.

format_rdma_device_name

format_function_t format_rdma_device_name

Definition at line 302 of file rdma.h.

format_rdma_input_trace

format_function_t format_rdma_input_trace

Definition at line 303 of file rdma.h.

format_rdma_rxq

format_function_t format_rdma_rxq

Definition at line 304 of file rdma.h.

rdma_device_class

vnet_device_class_t rdma_device_class

rdma_input_node

vlib_node_registration_t rdma_input_node

(constructor) VLIB_REGISTER_NODE (rdma_input_node)

Definition at line 1045 of file input.c.

rdma_main

rdma_main_t rdma_main

Definition at line 47 of file device.c.

unformat_rdma_create_if_args

unformat_function_t unformat_rdma_create_if_args

Definition at line 305 of file rdma.h.