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/dpdk/doc/guides/prog_guide/
H A Devent_timer_adapter.rst11 new event sources by using **event adapters**. The Event Timer Adapter is one
33 Event timers are timers that enqueue a timer expiration event to an event
45 The event contained by an event timer is enqueued in the event device when the
52 timer expiry event in the event queue relative to other events
54 the timer expiry event
88 how to create and configure an event timer adapter and use it to manage event
127 and configure an event device along with its event ports. Based on the event
131 configure an event port; it will examine the current event device
182 An event timer adapter uses a service component if the event device PMD
272 Once an event timer has successfully enqueued a timer expiry event in the event
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H A Devent_crypto_adapter.rst7 The DPDK :doc:`Eventdev library <eventdev>` provides event driven
12 bridge between the event device and the crypto device.
14 The packet flow from crypto device to the event device can be accomplished
20 event type called ``RTE_EVENT_TYPE_CRYPTODEV`` to indicate the event source.
59 PMD supports internal event port
125 PMD supports internal event port
130 API. An application can use this event port to link with an event queue, on
195 capability, event information must be passed to the add API.
204 struct rte_event event;
206 // Fill in event information & pass it to add API
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H A Devent_ethernet_rx_adapter.rst8 model for packet processing. In this model, the application polls an event
15 the event device.
159 it was not able to enqueue to the event device.
178 reset queue level stats when queue level event buffer is in use.
216 the event buffer fill level is low. The
221 Rx event vectorization
227 whose event type is either ``RTE_EVENT_TYPE_ETHDEV_VECTOR`` or
245 event = rte_event_dequeue_burst(event_dev, event_port, &event,
247 if (!event)
264 Rx event vectorization for SW Rx adapter
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H A Devent_ethernet_tx_adapter.rst8 model for packet processing in which the event device distributes events
98 since it is linked to a single event port.
135 struct rte_event event;
139 event.mbuf = m;
148 event.queue_id = qid; /* event queue linked to adapter port */
149 event.op = RTE_EVENT_OP_NEW;
150 event.event_type = RTE_EVENT_TYPE_CPU;
151 event.sched_type = RTE_SCHED_TYPE_ATOMIC;
152 event.mbuf = m;
157 rte_event_enqueue_burst(dev_id, ev_port, &event, 1);
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H A Deventdev.rst13 The eventdev framework introduces the event driven programming model. In a
42 application fills in to have the event scheduled as required:
54 * ``queue_id`` - The identifier for the event queue that the event is sent to.
108 An event queue is a queue containing events that are scheduled by the event
378 the event to the next stage in the pipeline.
389 /* Send event to next stage in pipeline */
411 (event processing)
418 To migrate the event port to another lcore
419 or while tearing down a worker core using an event port,
447 The event producers such as ``event_eth_rx_adapter``,
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/dpdk/doc/guides/eventdevs/
H A Dcnxk.rst28 - HW event scheduler
29 - Supports 1M flows per event queue
30 - Flow based event pipelining
31 - Flow pinning support in flow based event pipelining
32 - Queue based event pipelining
34 - Event scheduling QoS based on event queue priority
40 - Up to 256 TIM rings a.k.a event timer adapters.
108 connected to event device.
139 event timer adapter.
190 .. table:: OCTEON cnxk event device debug options
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H A Docteontx.rst21 - HW event scheduler
22 - Supports 1M flows per event queue
23 - Flow based event pipelining
24 - Flow pinning support in flow based event pipelining
25 - Queue based event pipelining
27 - Event scheduling QoS based on event queue priority
31 - HW managed event timers support through TIMVF, with high precision and
33 - Up to 64 event timer adapters.
83 event at a time.
88 When eth_octeontx is used as Rx adapter event schedule type
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H A Ddlb2.rst26 The DLB PMD provides the functions of a DPDK event device; specifically, it
56 queue's scheduling types are controlled by the event queue configuration.
126 Finally, even though all 3 event types are supported on the same QID by
134 The flow ID field is preserved in the event when it is scheduled in the
210 RTE_EVENT_OP_NEW) event is injected into the system, and the credit is
215 until it is last dequeued. If the event goes through multiple event queues, it
233 to enqueue an event, and it must dequeue an event before it can recover the
248 The DLB supports event priority and per-port queue service priority, as
256 discarded 5 least significant event priority bits are not preserved when an event
259 Note that event priority only works within the same event type.
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H A Ddpaa.rst9 platform to perform event scheduling.
19 - Hardware based event scheduler
20 - 4 event ports
21 - 4 event queues
79 DPAA EVENTDEV driver requires event port 'x' to be used on core 'x'.
H A Ddpaa2.rst10 perform event scheduling.
20 - Hardware based event scheduler
21 - 8 event ports
22 - 8 event queues
72 ./your_eventdev_application <EAL args> --log-level=pmd.event.dpaa2,<level>
/dpdk/doc/guides/sample_app_ug/
H A Dl2_forward_event.rst11 poll and event mode packet I/O mechanism.
60 … [--event-vector [--event-vector-size SIZE] [--event-vector-tmo NS]]
76 * --event-vector: Enable event vectorization. Only valid if --mode=eventdev.
78 * --event-vector-size: Max vector size if event vectorization is enabled.
80 * --event-vector-tmo: Max timeout to form vector in nanoseconds if event vectorization is enabled.
145 .. literalinclude:: ../../../examples/l2fwd-event/main.c
158 .. literalinclude:: ../../../examples/l2fwd-event/main.c
187 .. literalinclude:: ../../../examples/l2fwd-event/main.c
259 implementation and supports single instance of event device. It configures event
298 to/from an event device. All event ports are linked with all available event
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/dpdk/drivers/net/hinic/base/
H A Dhinic_pmd_hwdev.c898 event->event.val[0]); in fault_report_show()
900 event->event.val[1]); in fault_report_show()
902 event->event.val[2]); in fault_report_show()
904 event->event.val[3]); in fault_report_show()
921 event->event.chip.func_id); in fault_report_show()
924 event->event.chip.node_id); in fault_report_show()
926 event->event.chip.err_type); in fault_report_show()
935 event->event.ucode.cause_id); in fault_report_show()
937 event->event.ucode.core_id); in fault_report_show()
939 event->event.ucode.c_id); in fault_report_show()
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/dpdk/examples/ip_pipeline/
H A Dconn.c154 struct epoll_event event; in conn_poll_for_conn() local
176 event.events = EPOLLIN | EPOLLRDHUP | EPOLLHUP; in conn_poll_for_conn()
177 event.data.fd = fd_client; in conn_poll_for_conn()
182 &event); in conn_poll_for_conn()
297 struct epoll_event event; in conn_poll_for_msg() local
306 &event, in conn_poll_for_msg()
314 fd_client = event.data.fd; in conn_poll_for_msg()
317 if (event.events & EPOLLIN) in conn_poll_for_msg()
321 if (event.events & (EPOLLRDHUP | EPOLLERR | EPOLLHUP)) in conn_poll_for_msg()
/dpdk/drivers/net/softnic/
H A Dconn.c157 struct epoll_event event; in softnic_conn_poll_for_conn() local
179 event.events = EPOLLIN | EPOLLRDHUP | EPOLLHUP; in softnic_conn_poll_for_conn()
180 event.data.fd = fd_client; in softnic_conn_poll_for_conn()
185 &event); in softnic_conn_poll_for_conn()
301 struct epoll_event event; in softnic_conn_poll_for_msg() local
310 &event, in softnic_conn_poll_for_msg()
318 fd_client = event.data.fd; in softnic_conn_poll_for_msg()
321 if (event.events & EPOLLIN) in softnic_conn_poll_for_msg()
325 if (event.events & (EPOLLRDHUP | EPOLLERR | EPOLLHUP)) in softnic_conn_poll_for_msg()
/dpdk/examples/pipeline/
H A Dconn.c156 struct epoll_event event; in conn_poll_for_conn() local
178 event.events = EPOLLIN | EPOLLRDHUP | EPOLLHUP; in conn_poll_for_conn()
179 event.data.fd = fd_client; in conn_poll_for_conn()
184 &event); in conn_poll_for_conn()
300 struct epoll_event event; in conn_poll_for_msg() local
309 &event, in conn_poll_for_msg()
317 fd_client = event.data.fd; in conn_poll_for_msg()
320 if (event.events & EPOLLIN) in conn_poll_for_msg()
324 if (event.events & (EPOLLRDHUP | EPOLLERR | EPOLLHUP)) in conn_poll_for_msg()
/dpdk/app/test-eventdev/
H A Dtest_order_common.h66 order_flow_id_copy_from_mbuf(struct test_order *t, struct rte_event *event) in order_flow_id_copy_from_mbuf() argument
68 event->flow_id = *RTE_MBUF_DYNFIELD(event->mbuf, in order_flow_id_copy_from_mbuf()
74 struct rte_mbuf *mbuf, struct rte_event *event) in order_flow_id_save() argument
78 event->flow_id = flow_id; in order_flow_id_save()
79 event->mbuf = mbuf; in order_flow_id_save()
/dpdk/drivers/event/dsw/
H A Ddsw_event.c621 buffer[*buffer_len] = *event; in dsw_port_buffer_non_paused()
643 struct rte_event event) in dsw_port_buffer_parallel() argument
650 dsw_flow_id_hash(event.flow_id)); in dsw_port_buffer_parallel()
657 const struct rte_event *event) in dsw_port_buffer_event() argument
668 flow_hash = dsw_flow_id_hash(event->flow_id); in dsw_port_buffer_event()
672 dsw_port_buffer_paused(source_port, event); in dsw_port_buffer_event()
710 if (event->queue_id == qf->queue_id && in dsw_port_flush_paused_events()
713 dest_port_id, event); in dsw_port_flush_paused_events()
1233 event->op != RTE_EVENT_OP_RELEASE)) in dsw_event_enqueue_burst_generic()
1302 struct rte_event *event = &events[i]; in dsw_port_record_seen_events() local
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/dpdk/doc/guides/tools/
H A Dtesteventdev.rst50 Set the device id of the event device.
117 Use event timer adapter as producer.
121 Use burst mode event timer adapter as producer.
130 event timer adapter. Refer `rte_event_timer_adapter_conf`.
142 Number of event timers each producer core will generate.
152 timeout is out of the supported range of event device it will be
183 Enable event vector for Rx/Tx adapters.
251 atomic queue, the eventdev PMD reorders the event to the original
355 #. Measure the latency to forward an event.
467 Example command to run perf queue test with event timer adapter:
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/dpdk/lib/eal/linux/
H A Deal_dev.c142 dev_uev_parse(const char *buf, struct rte_dev_event *event, int length) in dev_uev_parse() argument
183 event->devname = strdup(pci_slot_name); in dev_uev_parse()
194 event->subsystem = EAL_DEV_EVENT_SUBSYSTEM_UIO; in dev_uev_parse()
196 event->subsystem = EAL_DEV_EVENT_SUBSYSTEM_PCI; in dev_uev_parse()
198 event->subsystem = EAL_DEV_EVENT_SUBSYSTEM_VFIO; in dev_uev_parse()
204 event->type = RTE_DEV_EVENT_ADD; in dev_uev_parse()
206 event->type = RTE_DEV_EVENT_REMOVE; in dev_uev_parse()
211 free(event->devname); in dev_uev_parse()
/dpdk/drivers/raw/ifpga/base/
H A Difpga_fme_iperf.c69 u8 channel, enum iperf_cache_events event) in read_cache_counter() argument
83 ctl.cache_event = event; in read_cache_counter()
87 ctr0.event_code = event; in read_cache_counter()
104 #define CACHE_SHOW(name, type, event) \ argument
158 enum iperf_vtd_sip_events event) in read_iommu_sip_counter() argument
169 sip_ctl.vtd_evtcode = event; in read_iommu_sip_counter()
172 sip_ctr.event_code = event; in read_iommu_sip_counter()
188 #define VTD_SIP_SHOW(name, event) \ argument
222 ctl.vtd_evtcode = event; in read_iommu_counter()
225 ctr.event_code = event; in read_iommu_counter()
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/dpdk/lib/bbdev/
H A Drte_bbdev.c934 if (event >= RTE_BBDEV_EVENT_MAX) { in rte_bbdev_callback_register()
937 event, RTE_BBDEV_EVENT_MAX); in rte_bbdev_callback_register()
951 user_cb->event == event) in rte_bbdev_callback_register()
962 user_cb->event = event; in rte_bbdev_callback_register()
980 if (event >= RTE_BBDEV_EVENT_MAX) { in rte_bbdev_callback_unregister()
983 event, RTE_BBDEV_EVENT_MAX); in rte_bbdev_callback_unregister()
1000 if (cb->cb_fn != cb_fn || cb->event != event || in rte_bbdev_callback_unregister()
1033 if (event >= RTE_BBDEV_EVENT_MAX) { in rte_bbdev_pmd_callback_process()
1036 event, RTE_BBDEV_EVENT_MAX); in rte_bbdev_pmd_callback_process()
1042 if (cb_lst->cb_fn == NULL || cb_lst->event != event) in rte_bbdev_pmd_callback_process()
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/dpdk/drivers/net/ixgbe/
H A Dixgbe_bypass.h13 s32 (*bypass_set)(struct ixgbe_hw *hw, u32 cmd, u32 event, u32 action);
27 s32 ixgbe_bypass_event_show(struct rte_eth_dev *dev, u32 event, u32 *state);
28 s32 ixgbe_bypass_event_store(struct rte_eth_dev *dev, u32 event, u32 state);
/dpdk/drivers/net/mlx4/
H A Dmlx4_intr.c191 struct ibv_async_event event; in mlx4_interrupt_handler() local
197 while (!mlx4_glue->get_async_event(priv->ctx, &event)) { in mlx4_interrupt_handler()
198 switch (event.event_type) { in mlx4_interrupt_handler()
210 event.event_type, event.element.port_num); in mlx4_interrupt_handler()
212 mlx4_glue->ack_async_event(&event); in mlx4_interrupt_handler()
/dpdk/doc/guides/nics/
H A Dvhost.rst18 …he vhost PMD provides the basic functionality of packet reception, transmission and event handling.
67 Vhost PMD event handling
72 The user can register an event callback handler with ``rte_eth_dev_callback_register()``.
73 The registered callback handler will be invoked with one of below event types.
82 …Because changing multiple statuses may occur only one event, call the function repeatedly as long …
/dpdk/lib/eal/windows/
H A Deal_interrupts.c18 eal_intr_process(const OVERLAPPED_ENTRY *event) in eal_intr_process() argument
20 RTE_SET_USED(event); in eal_intr_process()
265 rte_epoll_ctl(int epfd, int op, int fd, struct rte_epoll_event *event) in rte_epoll_ctl() argument
270 RTE_SET_USED(event); in rte_epoll_ctl()

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