rte_ether.h File Reference

#include <stdint.h>
#include <stdio.h>
#include <rte_memcpy.h>
#include <rte_random.h>
#include <rte_mbuf.h>
#include <rte_byteorder.h>

Go to the source code of this file.

Data Structures
struct	rte_ether_addr
struct	rte_ether_hdr
struct	rte_vlan_hdr

Macros
#define	RTE_ETHER_ADDR_LEN   6
#define	RTE_ETHER_TYPE_LEN   2
#define	RTE_ETHER_CRC_LEN   4
#define	RTE_ETHER_HDR_LEN
#define	RTE_ETHER_MIN_LEN   64
#define	RTE_ETHER_MAX_LEN   1518
#define	RTE_ETHER_MTU
#define	RTE_ETHER_MAX_VLAN_FRAME_LEN   (RTE_ETHER_MAX_LEN + 4)
#define	RTE_ETHER_MAX_JUMBO_FRAME_LEN   0x3F00
#define	RTE_ETHER_MAX_VLAN_ID   4095
#define	RTE_ETHER_MIN_MTU   68
#define	RTE_ETHER_LOCAL_ADMIN_ADDR   0x02
#define	RTE_ETHER_GROUP_ADDR   0x01
#define	RTE_ETHER_TYPE_IPV4   0x0800
#define	RTE_ETHER_TYPE_IPV6   0x86DD
#define	RTE_ETHER_TYPE_ARP   0x0806
#define	RTE_ETHER_TYPE_RARP   0x8035
#define	RTE_ETHER_TYPE_VLAN   0x8100
#define	RTE_ETHER_TYPE_QINQ   0x88A8
#define	RTE_ETHER_TYPE_PPPOE_DISCOVERY   0x8863
#define	RTE_ETHER_TYPE_PPPOE_SESSION   0x8864
#define	RTE_ETHER_TYPE_ETAG   0x893F
#define	RTE_ETHER_TYPE_1588   0x88F7
#define	RTE_ETHER_TYPE_SLOW   0x8809
#define	RTE_ETHER_TYPE_TEB   0x6558
#define	RTE_ETHER_TYPE_LLDP   0x88CC
#define	RTE_ETHER_TYPE_MPLS   0x8847
#define	RTE_ETHER_TYPE_MPLSM   0x8848

Functions
static int	rte_is_same_ether_addr (const struct rte_ether_addr *ea1, const struct rte_ether_addr *ea2)
static int	rte_is_zero_ether_addr (const struct rte_ether_addr *ea)
static int	rte_is_unicast_ether_addr (const struct rte_ether_addr *ea)
static int	rte_is_multicast_ether_addr (const struct rte_ether_addr *ea)
static int	rte_is_broadcast_ether_addr (const struct rte_ether_addr *ea)
static int	rte_is_universal_ether_addr (const struct rte_ether_addr *ea)
static int	rte_is_local_admin_ether_addr (const struct rte_ether_addr *ea)
static int	rte_is_valid_assigned_ether_addr (const struct rte_ether_addr *ea)
void	rte_eth_random_addr (uint8_t *addr)
static void	rte_ether_addr_copy (const struct rte_ether_addr *ea_from, struct rte_ether_addr *ea_to)
void	rte_ether_format_addr (char *buf, uint16_t size, const struct rte_ether_addr *eth_addr)
__rte_experimental int	rte_ether_unformat_addr (const char *str, struct rte_ether_addr *eth_addr)
static int	rte_vlan_strip (struct rte_mbuf *m)
static int	rte_vlan_insert (struct rte_mbuf **m)

Detailed Description

Ethernet Helpers in RTE

Definition in file rte_ether.h.

Macro Definition Documentation

RTE_ETHER_ADDR_LEN

#define RTE_ETHER_ADDR_LEN   6

Length of Ethernet address.

Examples:

examples/bond/main.c, examples/ip_pipeline/parser.c, examples/tep_termination/vxlan.c, examples/tep_termination/vxlan_setup.c, examples/vhost/main.c, and examples/vm_power_manager/channel_monitor.c.

Definition at line 26 of file rte_ether.h.

RTE_ETHER_TYPE_LEN

#define RTE_ETHER_TYPE_LEN   2

Length of Ethernet type field.

Definition at line 27 of file rte_ether.h.

RTE_ETHER_CRC_LEN

#define RTE_ETHER_CRC_LEN   4

Length of Ethernet CRC.

Definition at line 28 of file rte_ether.h.

RTE_ETHER_HDR_LEN

#define RTE_ETHER_HDR_LEN

Value:

(RTE_ETHER_ADDR_LEN * 2 + \
        RTE_ETHER_TYPE_LEN)

Length of Ethernet header.

Examples:

examples/ipsec-secgw/ipsec-secgw.c.

Definition at line 29 of file rte_ether.h.

RTE_ETHER_MIN_LEN

#define RTE_ETHER_MIN_LEN   64

Minimum frame len, including CRC.

Definition at line 32 of file rte_ether.h.

RTE_ETHER_MAX_LEN

#define RTE_ETHER_MAX_LEN   1518

Maximum frame len, including CRC.

Examples:

examples/bbdev_app/main.c, examples/bond/main.c, examples/distributor/main.c, examples/eventdev_pipeline/pipeline_worker_generic.c, examples/eventdev_pipeline/pipeline_worker_tx.c, examples/flow_classify/flow_classify.c, examples/ioat/ioatfwd.c, examples/ip_pipeline/kni.c, examples/ipsec-secgw/ipsec-secgw.c, examples/kni/main.c, examples/l2fwd-cat/l2fwd-cat.c, examples/l2fwd-crypto/main.c, examples/l2fwd-event/l2fwd_common.c, examples/l3fwd-acl/main.c, examples/l3fwd-power/main.c, examples/l3fwd/main.c, examples/performance-thread/l3fwd-thread/main.c, examples/ptpclient/ptpclient.c, examples/qos_meter/main.c, examples/qos_sched/init.c, examples/rxtx_callbacks/main.c, examples/skeleton/basicfwd.c, and examples/vm_power_manager/main.c.

Definition at line 33 of file rte_ether.h.

RTE_ETHER_MTU

#define RTE_ETHER_MTU

Value:

(RTE_ETHER_MAX_LEN - RTE_ETHER_HDR_LEN - \
        RTE_ETHER_CRC_LEN)

Ethernet MTU.

Examples:

examples/ipsec-secgw/ipsec-secgw.c.

Definition at line 34 of file rte_ether.h.

RTE_ETHER_MAX_VLAN_FRAME_LEN

#define RTE_ETHER_MAX_VLAN_FRAME_LEN   (RTE_ETHER_MAX_LEN + 4)

Maximum VLAN frame length, including CRC.

Definition at line 38 of file rte_ether.h.

RTE_ETHER_MAX_JUMBO_FRAME_LEN

#define RTE_ETHER_MAX_JUMBO_FRAME_LEN   0x3F00

Maximum Jumbo frame length, including CRC.

Examples:

examples/ethtool/ethtool-app/ethapp.c.

Definition at line 42 of file rte_ether.h.

RTE_ETHER_MAX_VLAN_ID

#define RTE_ETHER_MAX_VLAN_ID   4095

Maximum VLAN ID.

Definition at line 45 of file rte_ether.h.

RTE_ETHER_MIN_MTU

#define RTE_ETHER_MIN_MTU   68

Minimum MTU for IPv4 packets, see RFC 791.

Examples:

examples/ethtool/ethtool-app/ethapp.c.

Definition at line 47 of file rte_ether.h.

RTE_ETHER_LOCAL_ADMIN_ADDR

#define RTE_ETHER_LOCAL_ADMIN_ADDR   0x02

Locally assigned Eth. address.

Examples:

examples/l3fwd/main.c, and examples/performance-thread/l3fwd-thread/main.c.

Definition at line 64 of file rte_ether.h.

RTE_ETHER_GROUP_ADDR

#define RTE_ETHER_GROUP_ADDR   0x01

Multicast or broadcast Eth. address.

Definition at line 65 of file rte_ether.h.

RTE_ETHER_TYPE_IPV4

#define RTE_ETHER_TYPE_IPV4   0x0800

IPv4 Protocol.

Examples:

examples/bond/main.c, examples/ip_fragmentation/main.c, examples/ip_reassembly/main.c, examples/ipsec-secgw/ipsec-secgw.c, examples/ipv4_multicast/main.c, examples/l2fwd-crypto/main.c, examples/l3fwd-power/main.c, examples/l3fwd/l3fwd_em.c, examples/l3fwd/l3fwd_lpm.c, examples/performance-thread/l3fwd-thread/main.c, examples/tep_termination/vxlan.c, and examples/tep_termination/vxlan_setup.c.

Definition at line 291 of file rte_ether.h.

RTE_ETHER_TYPE_IPV6

#define RTE_ETHER_TYPE_IPV6   0x86DD

IPv6 Protocol.

Examples:

examples/ip_fragmentation/main.c, examples/ip_reassembly/main.c, examples/ipsec-secgw/ipsec-secgw.c, examples/l3fwd-power/main.c, examples/l3fwd/l3fwd_em.c, examples/l3fwd/l3fwd_lpm.c, examples/performance-thread/l3fwd-thread/main.c, and examples/tep_termination/vxlan.c.

Definition at line 292 of file rte_ether.h.

RTE_ETHER_TYPE_ARP

#define RTE_ETHER_TYPE_ARP   0x0806

Arp Protocol.

Examples:

examples/bond/main.c.

Definition at line 293 of file rte_ether.h.

RTE_ETHER_TYPE_RARP

#define RTE_ETHER_TYPE_RARP   0x8035

Reverse Arp Protocol.

Definition at line 294 of file rte_ether.h.

RTE_ETHER_TYPE_VLAN

#define RTE_ETHER_TYPE_VLAN   0x8100

IEEE 802.1Q VLAN tagging.

Examples:

examples/bond/main.c, examples/tep_termination/vxlan.c, and examples/vhost/main.c.

Definition at line 295 of file rte_ether.h.

RTE_ETHER_TYPE_QINQ

#define RTE_ETHER_TYPE_QINQ   0x88A8

IEEE 802.1ad QinQ tagging.

Definition at line 296 of file rte_ether.h.

RTE_ETHER_TYPE_PPPOE_DISCOVERY

#define RTE_ETHER_TYPE_PPPOE_DISCOVERY   0x8863

PPPoE Discovery Stage.

Definition at line 297 of file rte_ether.h.

RTE_ETHER_TYPE_PPPOE_SESSION

#define RTE_ETHER_TYPE_PPPOE_SESSION   0x8864

PPPoE Session Stage.

Definition at line 298 of file rte_ether.h.

RTE_ETHER_TYPE_ETAG

#define RTE_ETHER_TYPE_ETAG   0x893F

IEEE 802.1BR E-Tag.

Definition at line 299 of file rte_ether.h.

RTE_ETHER_TYPE_1588

#define RTE_ETHER_TYPE_1588   0x88F7

IEEE 802.1AS 1588 Precise Time Protocol.

Definition at line 300 of file rte_ether.h.

RTE_ETHER_TYPE_SLOW

#define RTE_ETHER_TYPE_SLOW   0x8809

Slow protocols (LACP and Marker).

Definition at line 302 of file rte_ether.h.

RTE_ETHER_TYPE_TEB

#define RTE_ETHER_TYPE_TEB   0x6558

Transparent Ethernet Bridging.

Definition at line 303 of file rte_ether.h.

RTE_ETHER_TYPE_LLDP

#define RTE_ETHER_TYPE_LLDP   0x88CC

LLDP Protocol.

Definition at line 304 of file rte_ether.h.

RTE_ETHER_TYPE_MPLS

#define RTE_ETHER_TYPE_MPLS   0x8847

MPLS ethertype.

Definition at line 305 of file rte_ether.h.

RTE_ETHER_TYPE_MPLSM

#define RTE_ETHER_TYPE_MPLSM   0x8848

MPLS multicast ethertype.

Definition at line 306 of file rte_ether.h.

Function Documentation

rte_is_same_ether_addr()

static int rte_is_same_ether_addr ( const struct rte_ether_addr *  ea1, const struct rte_ether_addr *  ea2  )

inlinestatic

Check if two Ethernet addresses are the same.

Parameters

ea1	A pointer to the first ether_addr structure containing the ethernet address.
ea2	A pointer to the second ether_addr structure containing the ethernet address.

Returns

True (1) if the given two ethernet address are the same; False (0) otherwise.

Examples:

examples/tep_termination/vxlan_setup.c, and examples/vhost/main.c.

Definition at line 81 of file rte_ether.h.

rte_is_zero_ether_addr()

static int rte_is_zero_ether_addr ( const struct rte_ether_addr *  ea )

inlinestatic

Check if an Ethernet address is filled with zeros.

Parameters

ea	A pointer to a ether_addr structure containing the ethernet address to check.

Returns

True (1) if the given ethernet address is filled with zeros; false (0) otherwise.

Definition at line 100 of file rte_ether.h.

rte_is_unicast_ether_addr()

static int rte_is_unicast_ether_addr ( const struct rte_ether_addr *  ea )

inlinestatic

Check if an Ethernet address is a unicast address.

Parameters

ea	A pointer to a ether_addr structure containing the ethernet address to check.

Returns

True (1) if the given ethernet address is a unicast address; false (0) otherwise.

Definition at line 117 of file rte_ether.h.

rte_is_multicast_ether_addr()

static int rte_is_multicast_ether_addr ( const struct rte_ether_addr *  ea )

inlinestatic

Check if an Ethernet address is a multicast address.

Parameters

ea	A pointer to a ether_addr structure containing the ethernet address to check.

Returns

True (1) if the given ethernet address is a multicast address; false (0) otherwise.

Definition at line 132 of file rte_ether.h.

rte_is_broadcast_ether_addr()

static int rte_is_broadcast_ether_addr ( const struct rte_ether_addr *  ea )

inlinestatic

Check if an Ethernet address is a broadcast address.

Parameters

ea	A pointer to a ether_addr structure containing the ethernet address to check.

Returns

True (1) if the given ethernet address is a broadcast address; false (0) otherwise.

Examples:

examples/vhost/main.c.

Definition at line 147 of file rte_ether.h.

rte_is_universal_ether_addr()

static int rte_is_universal_ether_addr ( const struct rte_ether_addr *  ea )

inlinestatic

Check if an Ethernet address is a universally assigned address.

Parameters

ea	A pointer to a ether_addr structure containing the ethernet address to check.

Returns

True (1) if the given ethernet address is a universally assigned address; false (0) otherwise.

Definition at line 165 of file rte_ether.h.

rte_is_local_admin_ether_addr()

static int rte_is_local_admin_ether_addr ( const struct rte_ether_addr *  ea )

inlinestatic

Check if an Ethernet address is a locally assigned address.

Parameters

ea	A pointer to a ether_addr structure containing the ethernet address to check.

Returns

True (1) if the given ethernet address is a locally assigned address; false (0) otherwise.

Definition at line 180 of file rte_ether.h.

rte_is_valid_assigned_ether_addr()

static int rte_is_valid_assigned_ether_addr ( const struct rte_ether_addr *  ea )

inlinestatic

Check if an Ethernet address is a valid address. Checks that the address is a unicast address and is not filled with zeros.

Parameters

ea	A pointer to a ether_addr structure containing the ethernet address to check.

Returns

True (1) if the given ethernet address is valid; false (0) otherwise.

Examples:

examples/ethtool/lib/rte_ethtool.c.

Definition at line 196 of file rte_ether.h.

rte_eth_random_addr()

void rte_eth_random_addr

(

uint8_t *

addr

)

Generate a random Ethernet address that is locally administered and not multicast.

Parameters

addr	A pointer to Ethernet address.

rte_ether_addr_copy()

static void rte_ether_addr_copy ( const struct rte_ether_addr *  ea_from, struct rte_ether_addr *  ea_to  )

inlinestatic

Fast copy an Ethernet address.

Parameters

ea_from	A pointer to a ether_addr structure holding the Ethernet address to copy.
ea_to	A pointer to a ether_addr structure where to copy the Ethernet address.

Examples:

examples/bond/main.c, examples/ethtool/ethtool-app/main.c, examples/ioat/ioatfwd.c, examples/ip_fragmentation/main.c, examples/ip_reassembly/main.c, examples/ipv4_multicast/main.c, examples/l2fwd-crypto/main.c, examples/l2fwd-jobstats/main.c, examples/l2fwd-keepalive/main.c, examples/l2fwd/main.c, examples/l3fwd-power/main.c, examples/l3fwd/main.c, examples/link_status_interrupt/main.c, examples/performance-thread/l3fwd-thread/main.c, examples/ptpclient/ptpclient.c, examples/tep_termination/vxlan_setup.c, examples/vmdq/main.c, and examples/vmdq_dcb/main.c.

Definition at line 218 of file rte_ether.h.

rte_ether_format_addr()

void rte_ether_format_addr	(	char *	buf,
		uint16_t	size,
		const struct rte_ether_addr *	eth_addr
	)

Format 48bits Ethernet address in pattern xx:xx:xx:xx:xx:xx.

Parameters

buf	A pointer to buffer contains the formatted MAC address.
size	The format buffer size.
eth_addr	A pointer to a ether_addr structure.

Examples:

examples/flow_filtering/main.c, examples/ip_fragmentation/main.c, examples/ip_reassembly/main.c, examples/ipsec-secgw/ipsec-secgw.c, examples/ipv4_multicast/main.c, examples/kni/main.c, examples/l3fwd-acl/main.c, examples/l3fwd-power/main.c, examples/l3fwd/main.c, examples/multi_process/client_server_mp/mp_server/main.c, and examples/performance-thread/l3fwd-thread/main.c.

rte_ether_unformat_addr()

__rte_experimental int rte_ether_unformat_addr	(	const char *	str,
		struct rte_ether_addr *	eth_addr
	)

Convert string with Ethernet address to an ether_addr.

Parameters

str	A pointer to buffer contains the formatted MAC address. The supported formats are: XX:XX:XX:XX:XX:XX or XXXX:XXXX:XXXX where XX is a hex digit: 0-9, a-f, or A-F.
eth_addr	A pointer to a ether_addr structure.

Returns

0 if successful -1 and sets rte_errno if invalid string

rte_vlan_strip()

static int rte_vlan_strip ( struct rte_mbuf *  m )

inlinestatic

Extract VLAN tag information into mbuf

Software version of VLAN stripping

Parameters

m	The packet mbuf.

Returns

• 0: Success
• 1: not a vlan packet

Definition at line 319 of file rte_ether.h.

rte_vlan_insert()

static int rte_vlan_insert ( struct rte_mbuf **  m )

inlinestatic

Insert VLAN tag into mbuf.

Software version of VLAN unstripping

Parameters

m	The packet mbuf.

Returns

• 0: On success -EPERM: mbuf is is shared overwriting would be unsafe -ENOSPC: not enough headroom in mbuf

Definition at line 351 of file rte_ether.h.