acltdtGetBufFromChain

Product	Supported
Ascend 950PR/Ascend 950DT	☓
Atlas A3 training products/Atlas A3 inference products	☓
Atlas A2 training products/Atlas A2 inference products	☓
Atlas 200I/500 A2 inference products	√
Atlas inference products	☓
Atlas training products	☓

Obtains the Nth Mbuf in a Mbuf chain. (N is the value of index.)

aclError acltdtGetBufFromChain(acltdtBuf headBuf, uint32_t index, acltdtBuf *buf)

Parameter	Input/Output	Description
headBuf	Input	First shared buffer at the head of the shared buffer chain. For details about the type definition, see acltdtBuf. The shared buffer must be obtained by calling acltdtAllocBuf or acltdtCopyBufRef.
index	Input	Index of a shared buffer in a shared buffer chain (starting from 0).
buf	Output	Shared buffer specified by index. For details about the type definition, see acltdtBuf.

Parameter

Input/Output

Description

headBuf

Input

First shared buffer at the head of the shared buffer chain. For details about the type definition, see acltdtBuf.

The shared buffer must be obtained by calling acltdtAllocBuf or acltdtCopyBufRef.

index

Input

Index of a shared buffer in a shared buffer chain (starting from 0).

buf

Output

Shared buffer specified by index. For details about the type definition, see acltdtBuf.

0 on success; otherwise, failure. For details, see aclError.

Parent topic: Shared Buffer Management