From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id AA463A2EDB for ; Wed, 2 Oct 2019 20:04:50 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id C8C4F1BF2F; Wed, 2 Oct 2019 20:04:49 +0200 (CEST) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 72BEE2AB for ; Wed, 2 Oct 2019 20:04:47 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Oct 2019 11:04:46 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,249,1566889200"; d="scan'208";a="221488880" Received: from unknown (HELO localhost.ch.intel.com) ([10.2.51.141]) by fmsmga002.fm.intel.com with ESMTP; 02 Oct 2019 11:04:46 -0700 From: Rahul Shah To: cristian.dumitrescu@intel.com Cc: dev@dpdk.org Date: Tue, 1 Oct 2019 11:05:26 -0700 Message-Id: <20191001180526.3259-1-rahul.r.shah@intel.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v3] port: Eventdev port support added in the rte_port library X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Adding a new port type called eventdev to the rte_port library. Signed-off-by: Rahul Shah --- lib/librte_port/Makefile | 4 +- lib/librte_port/meson.build | 8 +- lib/librte_port/rte_port_eventdev.c | 585 +++++++++++++++++++++++++++ lib/librte_port/rte_port_eventdev.h | 100 +++++ lib/librte_port/rte_port_version.map | 9 + 5 files changed, 702 insertions(+), 4 deletions(-) create mode 100644 lib/librte_port/rte_port_eventdev.c create mode 100644 lib/librte_port/rte_port_eventdev.h diff --git a/lib/librte_port/Makefile b/lib/librte_port/Makefile index 1b83f6f2b..de6f0428a 100644 --- a/lib/librte_port/Makefile +++ b/lib/librte_port/Makefile @@ -11,7 +11,7 @@ ifeq ($(CONFIG_RTE_PORT_PCAP),y) LDLIBS += -lpcap endif LDLIBS += -lrte_eal -lrte_mempool -lrte_mbuf -lrte_ethdev -LDLIBS += -lrte_ip_frag -lrte_sched -lrte_cryptodev +LDLIBS += -lrte_ip_frag -lrte_sched -lrte_cryptodev -lrte_eventdev ifeq ($(CONFIG_RTE_LIBRTE_KNI),y) LDLIBS += -lrte_kni endif @@ -39,6 +39,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_PORT) += rte_port_kni.c endif SRCS-$(CONFIG_RTE_LIBRTE_PORT) += rte_port_source_sink.c SRCS-$(CONFIG_RTE_LIBRTE_PORT) += rte_port_sym_crypto.c +SRCS-$(CONFIG_RTE_LIBRTE_PORT) += rte_port_eventdev.c # install includes SYMLINK-$(CONFIG_RTE_LIBRTE_PORT)-include += rte_port.h @@ -55,5 +56,6 @@ SYMLINK-$(CONFIG_RTE_LIBRTE_PORT)-include += rte_port_kni.h endif SYMLINK-$(CONFIG_RTE_LIBRTE_PORT)-include += rte_port_source_sink.h SYMLINK-$(CONFIG_RTE_LIBRTE_PORT)-include += rte_port_sym_crypto.h +SYMLINK-$(CONFIG_RTE_LIBRTE_PORT)-include += rte_port_eventdev.h include $(RTE_SDK)/mk/rte.lib.mk diff --git a/lib/librte_port/meson.build b/lib/librte_port/meson.build index 0d11456f0..ae5f3b7d0 100644 --- a/lib/librte_port/meson.build +++ b/lib/librte_port/meson.build @@ -10,7 +10,8 @@ sources = files( 'rte_port_ring.c', 'rte_port_sched.c', 'rte_port_source_sink.c', - 'rte_port_sym_crypto.c') + 'rte_port_sym_crypto.c', + 'rte_port_eventdev.c') headers = files( 'rte_port_ethdev.h', 'rte_port_fd.h', @@ -20,8 +21,9 @@ headers = files( 'rte_port_ring.h', 'rte_port_sched.h', 'rte_port_source_sink.h', - 'rte_port_sym_crypto.h') -deps += ['ethdev', 'sched', 'ip_frag', 'cryptodev'] + 'rte_port_sym_crypto.h', + 'rte_port_eventdev.h') +deps += ['ethdev', 'sched', 'ip_frag', 'cryptodev', 'eventdev'] if dpdk_conf.has('RTE_LIBRTE_KNI') sources += files('rte_port_kni.c') diff --git a/lib/librte_port/rte_port_eventdev.c b/lib/librte_port/rte_port_eventdev.c new file mode 100644 index 000000000..4feb24863 --- /dev/null +++ b/lib/librte_port/rte_port_eventdev.c @@ -0,0 +1,585 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2014 Intel Corporation + */ + + #include +#include + +#include +#include + +#include "rte_port_eventdev.h" + +/* + * Port EVENTDEV Reader + */ +#ifdef RTE_PORT_STATS_COLLECT + +#define RTE_PORT_EVENTDEV_READER_STATS_PKTS_IN_ADD(port, val) \ + do {port->stats.n_pkts_in += val} while (0) +#define RTE_PORT_EVENTDEV_READER_STATS_PKTS_DROP_ADD(port, val) \ + do {port->stats.n_pkts_drop += val} while (0) + +#else + +#define RTE_PORT_EVENTDEV_READER_STATS_PKTS_IN_ADD(port, val) +#define RTE_PORT_EVENTDEV_READER_STATS_PKTS_DROP_ADD(port, val) + +#endif + +struct rte_port_eventdev_reader { + struct rte_port_in_stats stats; + + uint8_t eventdev_id; + uint16_t port_id; + + struct rte_event ev[RTE_PORT_IN_BURST_SIZE_MAX]; +}; + +static void * +rte_port_eventdev_reader_create(void *params, int socket_id) +{ + struct rte_port_eventdev_reader_params *conf = + params; + struct rte_port_eventdev_reader *port; + + /* Check input parameters */ + if (conf == NULL) { + RTE_LOG(ERR, PORT, "%s: params is NULL\n", __func__); + return NULL; + } + + /* Memory allocation */ + port = rte_zmalloc_socket("PORT", sizeof(*port), + RTE_CACHE_LINE_SIZE, socket_id); + if (port == NULL) { + RTE_LOG(ERR, PORT, "%s: Failed to allocate port\n", __func__); + return NULL; + } + + /* Initialization */ + port->eventdev_id = conf->eventdev_id; + port->port_id = conf->port_id; + + return port; +} + +static int +rte_port_eventdev_reader_rx(void *port, struct rte_mbuf **pkts, uint32_t n_pkts) +{ + struct rte_port_eventdev_reader *p = port; + uint16_t rx_evts_cnt, i; + + rx_evts_cnt = rte_event_dequeue_burst(p->eventdev_id, p->port_id, + p->ev, n_pkts, 0); + + for (i = 0; i < rx_evts_cnt; i++) + pkts[i] = p->ev[i].mbuf; + + RTE_PORT_EVENTDEV_READER_STATS_PKTS_IN_ADD(p, rx_evts_cnt); + + return rx_evts_cnt; +} + +static int +rte_port_eventdev_reader_free(void *port) +{ + if (port == NULL) { + RTE_LOG(ERR, PORT, "%s: port is NULL\n", __func__); + return -EINVAL; + } + + rte_free(port); + + return 0; +} + +static int rte_port_eventdev_reader_stats_read(void *port, + struct rte_port_in_stats *stats, int clear) +{ + struct rte_port_eventdev_reader *p = + port; + + if (stats != NULL) + memcpy(stats, &p->stats, sizeof(p->stats)); + + if (clear) + memset(&p->stats, 0, sizeof(p->stats)); + + return 0; +} + +/* + * Port EVENTDEV Writer + */ +#ifdef RTE_PORT_STATS_COLLECT + +#define RTE_PORT_EVENTDEV_WRITER_STATS_PKTS_IN_ADD(port, val) \ + do {port->stats.n_pkts_in += val} while (0) +#define RTE_PORT_EVENTDEV_WRITER_STATS_PKTS_DROP_ADD(port, val) \ + do {port->stats.n_pkts_drop += val} while (0) + +#else + +#define RTE_PORT_EVENTDEV_WRITER_STATS_PKTS_IN_ADD(port, val) +#define RTE_PORT_EVENTDEV_WRITER_STATS_PKTS_DROP_ADD(port, val) + +#endif + +struct rte_port_eventdev_writer { + struct rte_port_out_stats stats; + + struct rte_event ev[2 * RTE_PORT_IN_BURST_SIZE_MAX]; + + uint32_t enq_burst_sz; + uint32_t enq_buf_count; + uint64_t bsz_mask; + + uint8_t eventdev_id; + uint8_t port_id; + uint8_t queue_id; + uint8_t sched_type; + uint8_t evt_op; +}; + +static void * +rte_port_eventdev_writer_create(void *params, int socket_id) +{ + struct rte_port_eventdev_writer_params *conf = + params; + struct rte_port_eventdev_writer *port; + unsigned int i; + + /* Check input parameters */ + if ((conf == NULL) || + (conf->enq_burst_sz == 0) || + (conf->enq_burst_sz > RTE_PORT_IN_BURST_SIZE_MAX) || + (!rte_is_power_of_2(conf->enq_burst_sz))) { + RTE_LOG(ERR, PORT, "%s: Invalid input parameters\n", __func__); + return NULL; + } + + /* Memory allocation */ + port = rte_zmalloc_socket("PORT", sizeof(*port), + RTE_CACHE_LINE_SIZE, socket_id); + if (port == NULL) { + RTE_LOG(ERR, PORT, "%s: Failed to allocate port\n", __func__); + return NULL; + } + + /* Initialization */ + port->enq_burst_sz = conf->enq_burst_sz; + port->enq_buf_count = 0; + port->bsz_mask = 1LLU << (conf->enq_burst_sz - 1); + + port->eventdev_id = conf->eventdev_id; + port->port_id = conf->port_id; + port->queue_id = conf->queue_id; + port->sched_type = conf->sched_type; + port->evt_op = conf->evt_op; + memset(&port->ev, 0, sizeof(port->ev)); + + for (i = 0; i < ARRAY_SIZE(port->ev); i++) { + port->ev[i].queue_id = port->queue_id; + port->ev[i].sched_type = port->sched_type; + port->ev[i].op = port->evt_op; + } + + return port; +} + +static inline void +send_burst(struct rte_port_eventdev_writer *p) +{ + uint32_t nb_enq; + + nb_enq = rte_event_enqueue_burst(p->eventdev_id, p->port_id, + p->ev, p->enq_buf_count); + + RTE_PORT_EVENTDEV_WRITER_STATS_PKTS_DROP_ADD(p, p->enq_buf_count - + nb_enq); + + for (; nb_enq < p->enq_buf_count; nb_enq++) + rte_pktmbuf_free(p->ev[nb_enq].mbuf); + + p->enq_buf_count = 0; +} + +static int +rte_port_eventdev_writer_tx(void *port, struct rte_mbuf *pkt) +{ + struct rte_port_eventdev_writer *p = port; + + p->ev[p->enq_buf_count++].mbuf = pkt; + RTE_PORT_EVENTDEV_WRITER_STATS_PKTS_IN_ADD(p, 1); + if (p->enq_buf_count >= p->enq_burst_sz) + send_burst(p); + + return 0; +} + +static int +rte_port_eventdev_writer_tx_bulk(void *port, + struct rte_mbuf **pkts, + uint64_t pkts_mask) +{ + struct rte_port_eventdev_writer *p = + port; + uint64_t bsz_mask = p->bsz_mask; + uint32_t enq_buf_count = p->enq_buf_count; + uint64_t expr = (pkts_mask & (pkts_mask + 1)) | + ((pkts_mask & bsz_mask) ^ bsz_mask); + + if (expr == 0) { + uint64_t n_pkts = __builtin_popcountll(pkts_mask); + uint32_t i, n_enq_ok; + + if (enq_buf_count) + send_burst(p); + + RTE_PORT_EVENTDEV_WRITER_STATS_PKTS_IN_ADD(p, n_pkts); + + struct rte_event events[2 * RTE_PORT_IN_BURST_SIZE_MAX] = {}; + for (i = 0; i < n_pkts; i++) { + events[i].mbuf = pkts[i]; + events[i].queue_id = p->queue_id; + events[i].sched_type = p->sched_type; + events[i].op = p->evt_op; + } + + n_enq_ok = rte_event_enqueue_burst(p->eventdev_id, p->port_id, + events, n_pkts); + + RTE_PORT_EVENTDEV_WRITER_STATS_PKTS_DROP_ADD(p, + n_pkts - n_enq_ok); + for (; n_enq_ok < n_pkts; n_enq_ok++) + rte_pktmbuf_free(pkts[n_enq_ok]); + + } else { + for (; pkts_mask;) { + uint32_t pkt_index = __builtin_ctzll(pkts_mask); + uint64_t pkt_mask = 1LLU << pkt_index; + + p->ev[enq_buf_count++].mbuf = pkts[pkt_index]; + + RTE_PORT_EVENTDEV_WRITER_STATS_PKTS_IN_ADD(p, 1); + pkts_mask &= ~pkt_mask; + } + + p->enq_buf_count = enq_buf_count; + if (enq_buf_count >= p->enq_burst_sz) + send_burst(p); + } + + return 0; +} + +static int +rte_port_eventdev_writer_flush(void *port) +{ + struct rte_port_eventdev_writer *p = + port; + + if (p->enq_buf_count > 0) + send_burst(p); + + return 0; +} + +static int +rte_port_eventdev_writer_free(void *port) +{ + if (port == NULL) { + RTE_LOG(ERR, PORT, "%s: Port is NULL\n", __func__); + return -EINVAL; + } + + rte_port_eventdev_writer_flush(port); + rte_free(port); + + return 0; +} + +static int rte_port_eventdev_writer_stats_read(void *port, + struct rte_port_out_stats *stats, int clear) +{ + struct rte_port_eventdev_writer *p = + port; + + if (stats != NULL) + memcpy(stats, &p->stats, sizeof(p->stats)); + + if (clear) + memset(&p->stats, 0, sizeof(p->stats)); + + return 0; +} + +/* + * Port EVENTDEV Writer Nodrop + */ +#ifdef RTE_PORT_STATS_COLLECT + +#define RTE_PORT_EVENTDEV_WRITER_NODROP_STATS_PKTS_IN_ADD(port, val) \ + do {port->stats.n_pkts_in += val} while (0) +#define RTE_PORT_EVENTDEV_WRITER_NODROP_STATS_PKTS_DROP_ADD(port, val) \ + do {port->stats.n_pkts_drop += val} while (0) + +#else + +#define RTE_PORT_EVENTDEV_WRITER_NODROP_STATS_PKTS_IN_ADD(port, val) +#define RTE_PORT_EVENTDEV_WRITER_NODROP_STATS_PKTS_DROP_ADD(port, val) + +#endif + +struct rte_port_eventdev_writer_nodrop { + struct rte_port_out_stats stats; + + struct rte_event ev[2 * RTE_PORT_IN_BURST_SIZE_MAX]; + + uint32_t enq_burst_sz; + uint32_t enq_buf_count; + uint64_t bsz_mask; + uint64_t n_retries; + uint8_t eventdev_id; + uint8_t port_id; + uint8_t queue_id; + uint8_t sched_type; + uint8_t evt_op; +}; + + +static void * +rte_port_eventdev_writer_nodrop_create(void *params, int socket_id) +{ + struct rte_port_eventdev_writer_nodrop_params *conf = + params; + struct rte_port_eventdev_writer_nodrop *port; + unsigned int i; + + /* Check input parameters */ + if ((conf == NULL) || + (conf->enq_burst_sz == 0) || + (conf->enq_burst_sz > RTE_PORT_IN_BURST_SIZE_MAX) || + (!rte_is_power_of_2(conf->enq_burst_sz))) { + RTE_LOG(ERR, PORT, "%s: Invalid input parameters\n", __func__); + return NULL; + } + + /* Memory allocation */ + port = rte_zmalloc_socket("PORT", sizeof(*port), + RTE_CACHE_LINE_SIZE, socket_id); + if (port == NULL) { + RTE_LOG(ERR, PORT, "%s: Failed to allocate port\n", __func__); + return NULL; + } + + /* Initialization */ + port->enq_burst_sz = conf->enq_burst_sz; + port->enq_buf_count = 0; + port->bsz_mask = 1LLU << (conf->enq_burst_sz - 1); + + port->eventdev_id = conf->eventdev_id; + port->port_id = conf->port_id; + port->queue_id = conf->queue_id; + port->sched_type = conf->sched_type; + port->evt_op = conf->evt_op; + memset(&port->ev, 0, sizeof(port->ev)); + + for (i = 0; i < ARRAY_SIZE(port->ev); i++) { + port->ev[i].queue_id = port->queue_id; + port->ev[i].sched_type = port->sched_type; + port->ev[i].op = port->evt_op; + } + /* + * When n_retries is 0 it means that we should wait for every event to + * send no matter how many retries should it take. To limit number of + * branches in fast path, we use UINT64_MAX instead of branching. + */ + port->n_retries = (conf->n_retries == 0) ? UINT64_MAX : conf->n_retries; + + return port; +} + +static inline void +send_burst_nodrop(struct rte_port_eventdev_writer_nodrop *p) +{ + uint32_t nb_enq, i; + + nb_enq = rte_event_enqueue_burst(p->eventdev_id, p->port_id, + p->ev, p->enq_buf_count); + + /* We sent all the packets in a first try */ + if (nb_enq >= p->enq_buf_count) { + p->enq_buf_count = 0; + return; + } + + for (i = 0; i < p->n_retries; i++) { + nb_enq += rte_event_enqueue_burst(p->eventdev_id, p->port_id, + p->ev + nb_enq, + p->enq_buf_count - nb_enq); + + /* We sent all the events in more than one try */ + if (nb_enq >= p->enq_buf_count) { + p->enq_buf_count = 0; + return; + } + } + /* We didn't send the events in maximum allowed attempts */ + RTE_PORT_EVENTDEV_WRITER_NODROP_STATS_PKTS_DROP_ADD(p, + p->enq_buf_count - nb_enq); + for (; nb_enq < p->enq_buf_count; nb_enq++) + rte_pktmbuf_free(p->ev[nb_enq].mbuf); + + p->enq_buf_count = 0; +} + +static int +rte_port_eventdev_writer_nodrop_tx(void *port, struct rte_mbuf *pkt) +{ + struct rte_port_eventdev_writer_nodrop *p = port; + + p->ev[p->enq_buf_count++].mbuf = pkt; + + RTE_PORT_EVENTDEV_WRITER_NODROP_STATS_PKTS_IN_ADD(p, 1); + if (p->enq_buf_count >= p->enq_burst_sz) + send_burst_nodrop(p); + + return 0; +} + +static int +rte_port_eventdev_writer_nodrop_tx_bulk(void *port, + struct rte_mbuf **pkts, + uint64_t pkts_mask) +{ + struct rte_port_eventdev_writer_nodrop *p = + port; + + uint64_t bsz_mask = p->bsz_mask; + uint32_t enq_buf_count = p->enq_buf_count; + uint64_t expr = (pkts_mask & (pkts_mask + 1)) | + ((pkts_mask & bsz_mask) ^ bsz_mask); + + if (expr == 0) { + uint64_t n_pkts = __builtin_popcountll(pkts_mask); + uint32_t i, n_enq_ok; + + if (enq_buf_count) + send_burst_nodrop(p); + + RTE_PORT_EVENTDEV_WRITER_NODROP_STATS_PKTS_IN_ADD(p, n_pkts); + + struct rte_event events[RTE_PORT_IN_BURST_SIZE_MAX] = {}; + + for (i = 0; i < n_pkts; i++) { + events[i].mbuf = pkts[i]; + events[i].queue_id = p->queue_id; + events[i].sched_type = p->sched_type; + events[i].op = p->evt_op; + } + + n_enq_ok = rte_event_enqueue_burst(p->eventdev_id, p->port_id, + events, n_pkts); + + if (n_enq_ok >= n_pkts) + return 0; + + /* + * If we did not manage to enqueue all events in single burst, + * move remaining events to the buffer and call send burst. + */ + for (; n_enq_ok < n_pkts; n_enq_ok++) { + struct rte_mbuf *pkt = pkts[n_enq_ok]; + p->ev[p->enq_buf_count++].mbuf = pkt; + } + send_burst_nodrop(p); + } else { + for (; pkts_mask;) { + uint32_t pkt_index = __builtin_ctzll(pkts_mask); + uint64_t pkt_mask = 1LLU << pkt_index; + + p->ev[enq_buf_count++].mbuf = pkts[pkt_index]; + + RTE_PORT_EVENTDEV_WRITER_STATS_PKTS_IN_ADD(p, 1); + pkts_mask &= ~pkt_mask; + } + + p->enq_buf_count = enq_buf_count; + if (enq_buf_count >= p->enq_burst_sz) + send_burst_nodrop(p); + } + + return 0; +} + +static int +rte_port_eventdev_writer_nodrop_flush(void *port) +{ + struct rte_port_eventdev_writer_nodrop *p = + port; + + if (p->enq_buf_count > 0) + send_burst_nodrop(p); + + return 0; +} + +static int +rte_port_eventdev_writer_nodrop_free(void *port) +{ + if (port == NULL) { + RTE_LOG(ERR, PORT, "%s: Port is NULL\n", __func__); + return -EINVAL; + } + + rte_port_eventdev_writer_nodrop_flush(port); + rte_free(port); + + return 0; +} + +static int rte_port_eventdev_writer_nodrop_stats_read(void *port, + struct rte_port_out_stats *stats, int clear) +{ + struct rte_port_eventdev_writer_nodrop *p = + port; + + if (stats != NULL) + memcpy(stats, &p->stats, sizeof(p->stats)); + + if (clear) + memset(&p->stats, 0, sizeof(p->stats)); + + return 0; +} + +/* + * Summary of port operations + */ +struct rte_port_in_ops rte_port_eventdev_reader_ops = { + .f_create = rte_port_eventdev_reader_create, + .f_free = rte_port_eventdev_reader_free, + .f_rx = rte_port_eventdev_reader_rx, + .f_stats = rte_port_eventdev_reader_stats_read, +}; + +struct rte_port_out_ops rte_port_eventdev_writer_ops = { + .f_create = rte_port_eventdev_writer_create, + .f_free = rte_port_eventdev_writer_free, + .f_tx = rte_port_eventdev_writer_tx, + .f_tx_bulk = rte_port_eventdev_writer_tx_bulk, + .f_flush = rte_port_eventdev_writer_flush, + .f_stats = rte_port_eventdev_writer_stats_read, +}; + +struct rte_port_out_ops rte_port_eventdev_writer_nodrop_ops = { + .f_create = rte_port_eventdev_writer_nodrop_create, + .f_free = rte_port_eventdev_writer_nodrop_free, + .f_tx = rte_port_eventdev_writer_nodrop_tx, + .f_tx_bulk = rte_port_eventdev_writer_nodrop_tx_bulk, + .f_flush = rte_port_eventdev_writer_nodrop_flush, + .f_stats = rte_port_eventdev_writer_nodrop_stats_read, +}; + diff --git a/lib/librte_port/rte_port_eventdev.h b/lib/librte_port/rte_port_eventdev.h new file mode 100644 index 000000000..946735646 --- /dev/null +++ b/lib/librte_port/rte_port_eventdev.h @@ -0,0 +1,100 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2014 Intel Corporation + */ + +#ifndef __INCLUDE_RTE_PORT_EVENTDEV_H__ +#define __INCLUDE_RTE_PORT_EVENTDEV_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef ARRAY_SIZE +#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) +#endif + +/** + * @file + * RTE Port Eventdev Interface + * + * eventdev_reader: input port built on top of pre-initialized eventdev + * interface + * eventdev_writer: output port built on top of pre-initialized eventdev + * interface + * + **/ + +#include +#include + +#include "rte_port.h" + +/** Eventdev_reader port parameters */ +struct rte_port_eventdev_reader_params { + /** Eventdev Device ID */ + uint8_t eventdev_id; + + /** Eventdev Port ID */ + uint8_t port_id; +}; + +/** Eventdev_reader port operations. */ +extern struct rte_port_in_ops rte_port_eventdev_reader_ops; + +/** Eventdev_writer port parameters. */ +struct rte_port_eventdev_writer_params { + /** Eventdev Device ID. */ + uint8_t eventdev_id; + + /** Eventdev Port ID. */ + uint8_t port_id; + + /** Eventdev Queue ID. */ + uint8_t queue_id; + + /** Burst size to eventdev interface. */ + uint32_t enq_burst_sz; + + /** Scheduler synchronization type (RTE_SCHED_TYPE_*)*/ + uint8_t sched_type; + + /** The type of eventdev enqueue operation - new/forward/release */ + uint8_t evt_op; +}; + +/** Eventdev_writer port operations. */ +extern struct rte_port_out_ops rte_port_eventdev_writer_ops; + +/** Event_writer_nodrop port parameters. */ +struct rte_port_eventdev_writer_nodrop_params { + /** Eventdev Device ID. */ + uint8_t eventdev_id; + + /** Eventdev Port ID. */ + uint16_t port_id; + + /** Eventdev Queue ID. */ + uint16_t queue_id; + + /** Burst size to eventdev interface. */ + uint32_t enq_burst_sz; + + /** Scheduler synchronization type (RTE_SCHED_TYPE_*)*/ + uint8_t sched_type; + + /** The type of eventdev enqueue operation - new/forward/release */ + uint8_t evt_op; + + /** Maximum number of retries, 0 for no limit. */ + uint32_t n_retries; +}; + +/** Eventdev_writer_nodrop port operations. */ +extern struct rte_port_out_ops rte_port_eventdev_writer_nodrop_ops; + +#ifdef __cplusplus +} +#endif + +#endif + diff --git a/lib/librte_port/rte_port_version.map b/lib/librte_port/rte_port_version.map index 609bcec3f..3906c57c8 100644 --- a/lib/librte_port/rte_port_version.map +++ b/lib/librte_port/rte_port_version.map @@ -60,3 +60,12 @@ DPDK_18.11 { rte_port_sym_crypto_writer_nodrop_ops; } DPDK_16.11; + +EXPERIMENTAL { + global: + + rte_port_eventdev_reader_ops; + rte_port_eventdev_writer_ops; + rte_port_eventdev_writer_nodrop_ops; + +}; -- 2.20.1