#include <rte_mbuf_core.h>

Public Member Functions
union {
rte_iova_t buf_physaddr

}	__rte_aligned (sizeof(rte_iova_t))

Data Fields
void *	buf_addr

union {
rte_atomic16_t refcnt_atomic

uint16_t refcnt

}	__rte_aligned

uint16_t	nb_segs

uint16_t	port

uint64_t	ol_flags

uint32_t	pkt_len

uint16_t	data_len

uint16_t	vlan_tci

uint16_t	vlan_tci_outer

uint16_t	buf_len

uint64_t	timestamp

struct rte_mempool *	pool

struct rte_mbuf *	next

uint16_t	priv_size

uint16_t	timesync

uint32_t	seqn

struct rte_mbuf_ext_shared_info *	shinfo

uint64_t	dynfield1 [2]

uint32_t	packet_type

uint32_t	l2_type:4

uint32_t	l3_type:4

uint32_t	l4_type:4

uint32_t	tun_type:4

uint8_t	inner_esp_next_proto

uint8_t	inner_l2_type:4

uint8_t	inner_l3_type:4

uint32_t	inner_l4_type:4

uint32_t	rss

uint32_t	lo

uint32_t	hi

struct {
uint32_t hi

}	fdir

struct rte_mbuf_sched	sched

uint16_t	txq

struct {
uint16_t txq

}	txadapter

union {
uint32_t rss

struct {
uint32_t hi

} fdir

struct rte_mbuf_sched sched

struct {
uint16_t txq

} txadapter

}	hash

void *	userdata

uint64_t	udata64

uint64_t	tx_offload

uint64_t	l2_len:RTE_MBUF_L2_LEN_BITS

uint64_t	l3_len:RTE_MBUF_L3_LEN_BITS

uint64_t	l4_len:RTE_MBUF_L4_LEN_BITS

uint64_t	tso_segsz:RTE_MBUF_TSO_SEGSZ_BITS

uint64_t	outer_l3_len:RTE_MBUF_OUTL3_LEN_BITS

uint64_t	outer_l2_len:RTE_MBUF_OUTL2_LEN_BITS

Detailed Description

The generic rte_mbuf, containing a packet mbuf.

Examples:: examples/bbdev_app/main.c, examples/bond/main.c, examples/bpf/t2.c, examples/bpf/t3.c, examples/distributor/main.c, examples/ethtool/ethtool-app/main.c, examples/fips_validation/fips_dev_self_test.c, examples/fips_validation/main.c, examples/flow_classify/flow_classify.c, examples/flow_filtering/main.c, examples/ioat/ioatfwd.c, examples/ip_fragmentation/main.c, examples/ip_pipeline/mempool.c, examples/ip_pipeline/pipeline.c, examples/ip_reassembly/main.c, examples/ipsec-secgw/esp.c, examples/ipsec-secgw/ipsec-secgw.c, examples/ipsec-secgw/ipsec.c, examples/ipsec-secgw/ipsec_process.c, examples/ipsec-secgw/ipsec_worker.c, examples/ipsec-secgw/sa.c, examples/ipv4_multicast/main.c, examples/kni/main.c, examples/l2fwd-cat/l2fwd-cat.c, examples/l2fwd-crypto/main.c, examples/l2fwd-event/l2fwd_event.c, examples/l2fwd-event/l2fwd_poll.c, examples/l2fwd-jobstats/main.c, examples/l2fwd-keepalive/main.c, examples/l2fwd/main.c, examples/l3fwd-acl/main.c, examples/l3fwd-power/main.c, examples/l3fwd/l3fwd_em.c, examples/l3fwd/l3fwd_lpm.c, examples/link_status_interrupt/main.c, examples/multi_process/client_server_mp/mp_client/client.c, examples/multi_process/client_server_mp/mp_server/main.c, examples/multi_process/symmetric_mp/main.c, examples/ntb/ntb_fwd.c, examples/packet_ordering/main.c, examples/performance-thread/l3fwd-thread/main.c, examples/ptpclient/ptpclient.c, examples/qos_meter/main.c, examples/qos_sched/app_thread.c, examples/qos_sched/main.c, examples/rxtx_callbacks/main.c, examples/server_node_efd/node/node.c, examples/server_node_efd/server/main.c, examples/skeleton/basicfwd.c, examples/tep_termination/main.c, examples/tep_termination/vxlan.c, examples/tep_termination/vxlan_setup.c, examples/vhost/main.c, examples/vhost/virtio_net.c, examples/vmdq/main.c, and examples/vmdq_dcb/main.c.

Definition at line 467 of file rte_mbuf_core.h.

Member Function Documentation

RTE_STD_C11 union rte_mbuf::@217 __rte_aligned ( sizeof(rte_iova_t) )

Physical address of segment buffer. Force alignment to 8-bytes, so as to ensure we have the exact same mbuf cacheline0 layout for 32-bit and 64-bit. This makes working on vector drivers easier.

Field Documentation

void* buf_addr

Virtual address of segment buffer.

Examples:: examples/ioat/ioatfwd.c, and examples/ntb/ntb_fwd.c.

Definition at line 470 of file rte_mbuf_core.h.

rte_iova_t buf_physaddr

deprecated

Definition at line 480 of file rte_mbuf_core.h.

rte_atomic16_t refcnt_atomic

Atomically accessed refcnt

Definition at line 498 of file rte_mbuf_core.h.

uint16_t refcnt

Non-atomically accessed refcnt

Definition at line 500 of file rte_mbuf_core.h.

RTE_STD_C11 { ... } __rte_aligned

Reference counter. Its size should at least equal to the size of port field (16 bits), to support zero-copy broadcast. It should only be accessed using the following functions: rte_mbuf_refcnt_update(), rte_mbuf_refcnt_read(), and rte_mbuf_refcnt_set(). The functionality of these functions (atomic, or non-atomic) is controlled by the CONFIG_RTE_MBUF_REFCNT_ATOMIC config option.

uint16_t nb_segs

Number of segments.

Examples:: examples/ipv4_multicast/main.c, and examples/vhost/virtio_net.c.

Definition at line 502 of file rte_mbuf_core.h.

uint16_t port

Input port (16 bits to support more than 256 virtual ports). The event eth Tx adapter uses this field to specify the output port.

Examples:: examples/distributor/main.c, examples/ip_fragmentation/main.c, examples/ipsec-secgw/ipsec-secgw.c, examples/ipsec-secgw/ipsec_worker.c, examples/ipv4_multicast/main.c, examples/l2fwd-crypto/main.c, examples/l2fwd-event/l2fwd_event.c, examples/l3fwd/l3fwd_em.c, examples/l3fwd/l3fwd_lpm.c, examples/multi_process/client_server_mp/mp_client/client.c, examples/ntb/ntb_fwd.c, examples/packet_ordering/main.c, examples/performance-thread/l3fwd-thread/main.c, and examples/server_node_efd/node/node.c.

Definition at line 507 of file rte_mbuf_core.h.

uint64_t ol_flags

Offload features.

Examples:: examples/bpf/t2.c, examples/ip_fragmentation/main.c, examples/ip_reassembly/main.c, examples/ipsec-secgw/esp.c, examples/ipsec-secgw/ipsec-secgw.c, examples/ipsec-secgw/ipsec_worker.c, examples/ptpclient/ptpclient.c, examples/tep_termination/vxlan.c, examples/tep_termination/vxlan_setup.c, and examples/vhost/main.c.

Definition at line 509 of file rte_mbuf_core.h.

uint32_t packet_type

L2/L3/L4 and tunnel information.

Examples:: examples/ip_fragmentation/main.c, examples/ip_reassembly/main.c, examples/ipsec-secgw/esp.c, examples/ipsec-secgw/ipsec-secgw.c, examples/l3fwd-acl/main.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 523 of file rte_mbuf_core.h.

uint32_t l2_type

(Outer) L2 type.

Definition at line 525 of file rte_mbuf_core.h.

uint32_t l3_type

(Outer) L3 type.

Definition at line 526 of file rte_mbuf_core.h.

uint32_t l4_type

(Outer) L4 type.

Definition at line 527 of file rte_mbuf_core.h.

uint32_t tun_type

Tunnel type.

Definition at line 528 of file rte_mbuf_core.h.

uint8_t inner_esp_next_proto

ESP next protocol type, valid if RTE_PTYPE_TUNNEL_ESP tunnel type is set on both Tx and Rx.

Examples:: examples/ipsec-secgw/esp.c.

Definition at line 531 of file rte_mbuf_core.h.

uint8_t inner_l2_type

Inner L2 type.

Definition at line 538 of file rte_mbuf_core.h.

uint8_t inner_l3_type

Inner L3 type.

Definition at line 540 of file rte_mbuf_core.h.

uint32_t inner_l4_type

Inner L4 type.

Definition at line 544 of file rte_mbuf_core.h.

uint32_t pkt_len

Total pkt len: sum of all segments.

Examples:: examples/bond/main.c, examples/ip_fragmentation/main.c, examples/ipsec-secgw/ipsec-secgw.c, examples/ipv4_multicast/main.c, examples/l3fwd-acl/main.c, examples/l3fwd-power/main.c, examples/l3fwd/l3fwd_lpm.c, examples/ntb/ntb_fwd.c, examples/performance-thread/l3fwd-thread/main.c, examples/ptpclient/ptpclient.c, examples/tep_termination/vxlan.c, examples/vhost/main.c, and examples/vhost/virtio_net.c.

Definition at line 548 of file rte_mbuf_core.h.

uint16_t data_len

Amount of data in segment buffer.

Examples:: examples/bond/main.c, examples/ioat/ioatfwd.c, examples/ipsec-secgw/ipsec-secgw.c, examples/ipv4_multicast/main.c, examples/ntb/ntb_fwd.c, examples/ptpclient/ptpclient.c, examples/vhost/main.c, and examples/vhost/virtio_net.c.

Definition at line 549 of file rte_mbuf_core.h.

uint16_t vlan_tci

VLAN TCI (CPU order), valid if PKT_RX_VLAN is set.

Examples:: examples/bpf/t2.c, and examples/vhost/main.c.

Definition at line 551 of file rte_mbuf_core.h.

uint32_t rss

RSS hash result if RSS enabled

Definition at line 556 of file rte_mbuf_core.h.

uint32_t lo

Second 4 flexible bytes

Definition at line 563 of file rte_mbuf_core.h.

uint32_t hi

First 4 flexible bytes or FD ID, dependent on PKT_RX_FDIR_* flag in ol_flags.

Definition at line 566 of file rte_mbuf_core.h.

struct { ... } fdir

Filter identifier if FDIR enabled

struct rte_mbuf_sched sched

Hierarchical scheduler : 8 bytes

Definition at line 571 of file rte_mbuf_core.h.

uint16_t txq

The event eth Tx adapter uses this field to store Tx queue id.

See also: rte_event_eth_tx_adapter_txq_set()

Definition at line 576 of file rte_mbuf_core.h.

struct { ... } txadapter

Eventdev ethdev Tx adapter User defined tags. See rte_distributor_process()

union { ... } hash

hash information

uint16_t vlan_tci_outer

Outer VLAN TCI (CPU order), valid if PKT_RX_QINQ is set.

Definition at line 588 of file rte_mbuf_core.h.

uint16_t buf_len

Length of segment buffer.

Examples:: examples/ntb/ntb_fwd.c, and examples/vhost/virtio_net.c.

Definition at line 590 of file rte_mbuf_core.h.

uint64_t timestamp

Valid if PKT_RX_TIMESTAMP is set. The unit and time reference are not normalized but are always the same for a given port. Some devices allow to query rte_eth_read_clock that will return the current device timestamp.