Technical Reference: Kernel and Subsystems, Volume 1

mbreq Structure for mbuf Kernel Services

Purpose

Contains mbuf structure registration information for the m_reg and m_dereg kernel services.

Syntax

#include <sys/mbuf.h>

struct mbreq {
                  int low_mbuf;
                  int low_clust;
                  int initial_mbuf;
                  int initial_clust;
}

Parameters

low_mbuf	Specifies the mbuf structure low-water mark.
low_clust	Specifies the page-sized mbuf structure low-water mark.
initial_mbuf	Specifies the initial allocation of mbuf structures.
initial_clust	Specifies the initial allocation of page-sized mbuf structures.

Description

The mbreq structure specifies the mbuf structure usage expectations for a user of mbuf kernel services.

Related Information

The m_dereg kernel service, m_reg kernel service.

I/O Kernel Services in AIX 5L Version 5.2 Kernel Extensions and Device Support Programming Concepts.