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Data Structures
struct	VLANHdr_

Macros
#define	ETHERNET_TYPE_VLAN 0x8100

#define	GET_VLAN_PRIORITY(vlanh) ((SCNtohs((vlanh)->vlan_cfi) & 0xe000) >> 13)

#define	GET_VLAN_CFI(vlanh) ((SCNtohs((vlanh)->vlan_cfi) & 0x0100) >> 12)

#define	GET_VLAN_ID(vlanh) ((uint16_t)(SCNtohs((vlanh)->vlan_cfi) & 0x0FFF))

#define	GET_VLAN_PROTO(vlanh) ((SCNtohs((vlanh)->protocol)))

#define	VLAN_HEADER_LEN 4

#define	VLAN_MAX_LAYERS 3

#define	VLAN_MAX_LAYER_IDX (VLAN_MAX_LAYERS - 1)

Functions
uint16_t	DecodeVLANGetId (const struct Packet_ *, uint8_t layer)

struct VLANHdr_	__attribute__ ((__packed__)) VLANHdr
	DNP3 link header. More...

void	DecodeVLANRegisterTests (void)

Variables
uint16_t	vlan_cfi

uint16_t	protocol

Detailed Description

Author: Breno Silva breno.nosp@m..sil.nosp@m.va@gm.nosp@m.ail..nosp@m.com

Definition in file decode-vlan.h.

Macro Definition Documentation

◆ ETHERNET_TYPE_VLAN

#define ETHERNET_TYPE_VLAN 0x8100

Vlan type

Definition at line 32 of file decode-vlan.h.

◆ GET_VLAN_CFI

#define GET_VLAN_CFI ( vlanh ) ((SCNtohs((vlanh)->vlan_cfi) & 0x0100) >> 12)

Definition at line 36 of file decode-vlan.h.

◆ GET_VLAN_ID

#define GET_VLAN_ID ( vlanh ) ((uint16_t)(SCNtohs((vlanh)->vlan_cfi) & 0x0FFF))

Definition at line 37 of file decode-vlan.h.

◆ GET_VLAN_PRIORITY

#define GET_VLAN_PRIORITY ( vlanh ) ((SCNtohs((vlanh)->vlan_cfi) & 0xe000) >> 13)

Vlan macros to access Vlan priority, Vlan CFI and VID

Definition at line 35 of file decode-vlan.h.

◆ GET_VLAN_PROTO

#define GET_VLAN_PROTO ( vlanh ) ((SCNtohs((vlanh)->protocol)))

Definition at line 38 of file decode-vlan.h.

◆ VLAN_HEADER_LEN

#define VLAN_HEADER_LEN 4

VLAN header length

Definition at line 47 of file decode-vlan.h.

◆ VLAN_MAX_LAYER_IDX

#define VLAN_MAX_LAYER_IDX (VLAN_MAX_LAYERS - 1)

Definition at line 53 of file decode-vlan.h.

◆ VLAN_MAX_LAYERS

#define VLAN_MAX_LAYERS 3

VLAN max encapsulation layer count/index

Definition at line 52 of file decode-vlan.h.

Function Documentation

◆ DecodeVLANGetId()

uint16_t DecodeVLANGetId	(	const struct Packet_ *	,
		uint8_t	layer
	)

◆ DecodeVLANRegisterTests()

void DecodeVLANRegisterTests ( void )

Definition at line 257 of file decode-vlan.c.

References UtRegisterTest().

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Variable Documentation

◆ protocol

uint16_t protocol

protocol field

Definition at line 1 of file decode-vlan.h.

◆ vlan_cfi

uint16_t vlan_cfi

Definition at line 0 of file decode-vlan.h.

Data Structures

Macros

Functions

Variables