---
name: "rte_pktmbuf_extmem"
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_pktmbuf_extmem"
---

# rte\_pktmbuf\_extmem(3)

## NAME

rte\_pktmbuf\_extmem

## SYNOPSIS

`#include <rte_mbuf.h>`

### Data Fields

void \* **buf\_ptr**\
 **rte\_iova\_t** **buf\_iova**\
 size\_t **buf\_len**\
 uint16\_t **elt\_size**\

## Detailed Description

A structure that describes the pinned external buffer segment.

Definition at line **759** of file **rte\_mbuf.h**.

## Field Documentation

### void\* buf\_ptr

The virtual address of data buffer.

Definition at line **760** of file **rte\_mbuf.h**.

### rte\_iova\_t buf\_iova

The IO address of the data buffer.

Definition at line **761** of file **rte\_mbuf.h**.

### size\_t buf\_len

External buffer length in bytes.

Definition at line **762** of file **rte\_mbuf.h**.

### uint16\_t elt\_size

mbuf element size in bytes.

Definition at line **763** of file **rte\_mbuf.h**.

## Author

Generated automatically by Doxygen for DPDK from the source code.