stp_bpdu Struct Reference

A Spanning Tree bridge protocol data unit. More...

#include <stp.h>

Data Fields
uint8_t	dsap
	LLC DSAP.
uint8_t	ssap
	LLC SSAP.
uint8_t	control
	LLC control field.
uint16_t	protocol
	Protocol ID.
uint8_t	version
	Protocol version.
uint8_t	type
	Message type.
uint8_t	flags
	Flags.
struct stp_switch	root
	Root switch.
uint32_t	cost
	Root path cost.
struct stp_switch	sender
	Sender switch.
uint16_t	port
	Port.
uint16_t	age
	Message age.
uint16_t	max
	Maximum age.
uint16_t	hello
	Hello time.
uint16_t	delay
	Forward delay.

Detailed Description

A Spanning Tree bridge protocol data unit.

Definition at line 32 of file stp.h.

Field Documentation

dsap

uint8_t stp_bpdu::dsap

LLC DSAP.

Definition at line 34 of file stp.h.

ssap

uint8_t stp_bpdu::ssap

LLC SSAP.

Definition at line 36 of file stp.h.

control

uint8_t stp_bpdu::control

LLC control field.

Definition at line 38 of file stp.h.

protocol

uint16_t stp_bpdu::protocol

Protocol ID.

Definition at line 40 of file stp.h.

Referenced by stp_rx().

version

uint8_t stp_bpdu::version

Protocol version.

Definition at line 42 of file stp.h.

Referenced by stp_rx().

type

uint8_t stp_bpdu::type

Message type.

Definition at line 44 of file stp.h.

Referenced by stp_rx().

flags

uint8_t stp_bpdu::flags

Flags.

Definition at line 46 of file stp.h.

Referenced by stp_rx().

root

struct stp_switch stp_bpdu::root

Root switch.

Definition at line 48 of file stp.h.

cost

uint32_t stp_bpdu::cost

Root path cost.

Definition at line 50 of file stp.h.

sender

struct stp_switch stp_bpdu::sender

Sender switch.

Definition at line 52 of file stp.h.

Referenced by stp_rx().

port

uint16_t stp_bpdu::port

Port.

Definition at line 54 of file stp.h.

Referenced by stp_rx().

age

uint16_t stp_bpdu::age

Message age.

Definition at line 56 of file stp.h.

max

uint16_t stp_bpdu::max

Maximum age.

Definition at line 58 of file stp.h.

hello

uint16_t stp_bpdu::hello

Hello time.

Definition at line 60 of file stp.h.

Referenced by stp_rx().

delay

uint16_t stp_bpdu::delay

Forward delay.

Definition at line 62 of file stp.h.

Referenced by stp_rx().

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The documentation for this struct was generated from the following file:

• include/ipxe/stp.h