---
name: "rte_ib_bth"
section: "3"
platform: "linux"
package: "dpdk-doc"
version: "24.11.4-0+deb13u1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/rte_ib_bth"
---

# rte\_ib\_bth(3)

## NAME

rte\_ib\_bth

## SYNOPSIS

`#include <rte_ib.h>`

### Data Fields

uint8\_t **opcode**\
 uint8\_t **tver**:4\
 uint8\_t **padcnt**:2\
 uint8\_t **m**:1\
 uint8\_t **se**:1\
 **rte\_be16\_t** **pkey**\
 uint8\_t **rsvd0**:6\
 uint8\_t **b**:1\
 uint8\_t **f**:1\
 uint8\_t **dst\_qp** \[3\]\
 uint8\_t **rsvd1**:7\
 uint8\_t **a**:1\
 uint8\_t **psn** \[3\]\

## Detailed Description

InfiniBand Base Transport Header according to IB Specification Vol 1-Release-1.4.

Definition at line **25** of file **rte\_ib.h**.

## Field Documentation

### uint8\_t opcode

Opcode.

Definition at line **26** of file **rte\_ib.h**.

### uint8\_t tver

Transport Header Version.

Definition at line **28** of file **rte\_ib.h**.

### uint8\_t padcnt

Pad Count.

Definition at line **29** of file **rte\_ib.h**.

### uint8\_t m

MigReq.

Definition at line **30** of file **rte\_ib.h**.

### uint8\_t se

Solicited Event.

Definition at line **31** of file **rte\_ib.h**.

### rte\_be16\_t pkey

Partition key.

Definition at line **38** of file **rte\_ib.h**.

### uint8\_t rsvd0

Reserved.

Definition at line **40** of file **rte\_ib.h**.

### uint8\_t b

BECN.

Definition at line **41** of file **rte\_ib.h**.

### uint8\_t f

FECN.

Definition at line **42** of file **rte\_ib.h**.

### uint8\_t dst\_qp\[3\]

Destination QP

Definition at line **48** of file **rte\_ib.h**.

### uint8\_t rsvd1

Reserved.

Definition at line **50** of file **rte\_ib.h**.

### uint8\_t a

Acknowledge Request.

Definition at line **51** of file **rte\_ib.h**.

### uint8\_t psn\[3\]

Packet Sequence Number

Definition at line **56** of file **rte\_ib.h**.

## Author

Generated automatically by Doxygen for DPDK from the source code.