verbs::QueuePair Class Reference

Represent VERBS queue pair functionality. More...

#include <verbs/QueuePair.h>

Public Member Functions
bool	AttachMcast (ibv_gid *mgid, uint16_t mlid)
bool	Connect (uint16_t lid, uint32_t qpn, uint32_t psn, uint8_t src_path_bits=0)
	Connect QP to specified remote queue pair. More...
bool	DetachMcast (ibv_gid *mgid, uint16_t mlid)
bool	InitUD ()
	Initialize QP for unreliable datagram protocol. More...
bool	is_ud () const
uint32_t	local_psn () const
unsigned	NumSendSegs () const
bool	Post_Recv (struct ibv_recv_wr *rwr)
bool	Post_Send (struct ibv_send_wr *swr)
struct ibv_qp *	qp () const
uint32_t	qp_num () const
ibv_qp_type	qp_type () const
	QueuePair (ContextRef ctx, ibv_qp_type qp_type, ComplQueue *send_cq, int send_depth, int max_send_sge, ComplQueue *recv_cq, int recv_depth, int max_recv_sge)
uint16_t	remote_lid () const
uint32_t	remote_psn () const
uint32_t	remote_qpn () const
virtual	~QueuePair ()

Protected Attributes
uint32_t	f_local_psn
	number used in connection More...
struct ibv_qp *	f_qp
uint16_t	f_remote_lid
uint32_t	f_remote_psn
uint32_t	f_remote_qpn
ContextRef	fContext
unsigned	fNumSendSegs
ibv_qp_type	fType

Static Protected Attributes
static uint32_t	fQPCounter = 0

Detailed Description

Represent VERBS queue pair functionality.

Definition at line 37 of file QueuePair.h.

Constructor & Destructor Documentation

QueuePair()

verbs::QueuePair::QueuePair	(	ContextRef	ctx,
		ibv_qp_type	qp_type,
		ComplQueue *	send_cq,
		int	send_depth,
		int	max_send_sge,
		ComplQueue *	recv_cq,
		int	recv_depth,
		int	max_recv_sge
	)

Definition at line 29 of file QueuePair.cxx.

~QueuePair()

verbs::QueuePair::~QueuePair ( )

virtual

Definition at line 104 of file QueuePair.cxx.

Member Function Documentation

qp()

struct ibv_qp* verbs::QueuePair::qp ( ) const

inline

Definition at line 44 of file QueuePair.h.

qp_type()

ibv_qp_type verbs::QueuePair::qp_type ( ) const

inline

Definition at line 46 of file QueuePair.h.

is_ud()

bool verbs::QueuePair::is_ud ( ) const

inline

Definition at line 47 of file QueuePair.h.

qp_num()

uint32_t verbs::QueuePair::qp_num ( ) const

inline

Definition at line 48 of file QueuePair.h.

local_psn()

uint32_t verbs::QueuePair::local_psn ( ) const

inline

Definition at line 49 of file QueuePair.h.

NumSendSegs()

unsigned verbs::QueuePair::NumSendSegs ( ) const

inline

Definition at line 51 of file QueuePair.h.

Connect()

bool verbs::QueuePair::Connect	(	uint16_t	lid,
		uint32_t	qpn,
		uint32_t	psn,
		uint8_t	src_path_bits = 0
	)

Connect QP to specified remote queue pair.

Parameters

[in]	lid	LID of remote node
[in]	qpn	QP number of remote node
[in]	psn	additional unique identifier of connection which should be established
[in]	src_path_bits	low bits of source lid, used by QP. It is required when local HCA has multiple LID (LMC>0) and one want to use LID address other than default one.

Definition at line 141 of file QueuePair.cxx.

InitUD()

bool verbs::QueuePair::InitUD

(

)

Initialize QP for unreliable datagram protocol.

Definition at line 113 of file QueuePair.cxx.

remote_lid()

uint16_t verbs::QueuePair::remote_lid ( ) const

inline

Definition at line 66 of file QueuePair.h.

remote_qpn()

uint32_t verbs::QueuePair::remote_qpn ( ) const

inline

Definition at line 67 of file QueuePair.h.

remote_psn()

uint32_t verbs::QueuePair::remote_psn ( ) const

inline

Definition at line 68 of file QueuePair.h.

Post_Send()

bool verbs::QueuePair::Post_Send

(

struct ibv_send_wr *

swr

)

Definition at line 261 of file QueuePair.cxx.

Post_Recv()

bool verbs::QueuePair::Post_Recv

(

struct ibv_recv_wr *

rwr

)

Definition at line 273 of file QueuePair.cxx.

AttachMcast()

bool verbs::QueuePair::AttachMcast	(	ibv_gid *	mgid,
		uint16_t	mlid
	)

Definition at line 285 of file QueuePair.cxx.

DetachMcast()

bool verbs::QueuePair::DetachMcast	(	ibv_gid *	mgid,
		uint16_t	mlid
	)

Definition at line 290 of file QueuePair.cxx.

Field Documentation

fQPCounter

uint32_t verbs::QueuePair::fQPCounter = 0

staticprotected

Definition at line 77 of file QueuePair.h.

fContext

ContextRef verbs::QueuePair::fContext

protected

Definition at line 79 of file QueuePair.h.

fType

ibv_qp_type verbs::QueuePair::fType

protected

Definition at line 81 of file QueuePair.h.

f_qp

struct ibv_qp* verbs::QueuePair::f_qp

protected

Definition at line 83 of file QueuePair.h.

f_local_psn

uint32_t verbs::QueuePair::f_local_psn

protected

number used in connection

Definition at line 85 of file QueuePair.h.

f_remote_lid

uint16_t verbs::QueuePair::f_remote_lid

protected

Definition at line 87 of file QueuePair.h.

f_remote_qpn

uint32_t verbs::QueuePair::f_remote_qpn

protected

Definition at line 88 of file QueuePair.h.

f_remote_psn

uint32_t verbs::QueuePair::f_remote_psn

protected

Definition at line 89 of file QueuePair.h.

fNumSendSegs

unsigned verbs::QueuePair::fNumSendSegs

protected

Definition at line 91 of file QueuePair.h.

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The documentation for this class was generated from the following files:

• plugins/verbs/verbs/QueuePair.h
• plugins/verbs/src/QueuePair.cxx