diff options
Diffstat (limited to 'src/spdk/dpdk/examples/l2fwd-event')
| -rw-r--r-- | src/spdk/dpdk/examples/l2fwd-event/Makefile | 63 | ||||
| -rw-r--r-- | src/spdk/dpdk/examples/l2fwd-event/l2fwd_common.c | 116 | ||||
| -rw-r--r-- | src/spdk/dpdk/examples/l2fwd-event/l2fwd_common.h | 133 | ||||
| -rw-r--r-- | src/spdk/dpdk/examples/l2fwd-event/l2fwd_event.c | 394 | ||||
| -rw-r--r-- | src/spdk/dpdk/examples/l2fwd-event/l2fwd_event.h | 73 | ||||
| -rw-r--r-- | src/spdk/dpdk/examples/l2fwd-event/l2fwd_event_generic.c | 320 | ||||
| -rw-r--r-- | src/spdk/dpdk/examples/l2fwd-event/l2fwd_event_internal_port.c | 296 | ||||
| -rw-r--r-- | src/spdk/dpdk/examples/l2fwd-event/l2fwd_poll.c | 182 | ||||
| -rw-r--r-- | src/spdk/dpdk/examples/l2fwd-event/l2fwd_poll.h | 25 | ||||
| -rw-r--r-- | src/spdk/dpdk/examples/l2fwd-event/main.c | 720 | ||||
| -rw-r--r-- | src/spdk/dpdk/examples/l2fwd-event/meson.build | 19 |
11 files changed, 2341 insertions, 0 deletions
diff --git a/src/spdk/dpdk/examples/l2fwd-event/Makefile b/src/spdk/dpdk/examples/l2fwd-event/Makefile new file mode 100644 index 000000000..807f7f1b8 --- /dev/null +++ b/src/spdk/dpdk/examples/l2fwd-event/Makefile @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(C) 2019 Marvell International Ltd. +# + +# binary name +APP = l2fwd-event + +# all source are stored in SRCS-y +SRCS-y := main.c +SRCS-y += l2fwd_poll.c +SRCS-y += l2fwd_event.c +SRCS-y += l2fwd_common.c +SRCS-y += l2fwd_event_generic.c +SRCS-y += l2fwd_event_internal_port.c + +# Build using pkg-config variables if possible +ifeq ($(shell pkg-config --exists libdpdk && echo 0),0) + +all: shared +.PHONY: shared static +shared: build/$(APP)-shared + ln -sf $(APP)-shared build/$(APP) +static: build/$(APP)-static + ln -sf $(APP)-static build/$(APP) + +PKGCONF ?= pkg-config + +PC_FILE := $(shell $(PKGCONF) --path libdpdk 2>/dev/null) +CFLAGS += -O3 $(shell $(PKGCONF) --cflags libdpdk) +LDFLAGS_SHARED = $(shell $(PKGCONF) --libs libdpdk) +LDFLAGS_STATIC = -Wl,-Bstatic $(shell $(PKGCONF) --static --libs libdpdk) + +build/$(APP)-shared: $(SRCS-y) Makefile $(PC_FILE) | build + $(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_SHARED) + +build/$(APP)-static: $(SRCS-y) Makefile $(PC_FILE) | build + $(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_STATIC) + +build: + @mkdir -p $@ + +.PHONY: clean +clean: + rm -f build/$(APP) build/$(APP)-static build/$(APP)-shared + test -d build && rmdir -p build || true + +else # Build using legacy build system + +ifeq ($(RTE_SDK),) +$(error "Please define RTE_SDK environment variable") +endif + +# Default target, detect a build directory, by looking for a path with a .config +RTE_TARGET ?= $(notdir $(abspath $(dir $(firstword $(wildcard $(RTE_SDK)/*/.config))))) + +include $(RTE_SDK)/mk/rte.vars.mk + +CFLAGS += -O3 +CFLAGS += $(WERROR_FLAGS) +CFLAGS += -DALLOW_EXPERIMENTAL_API + +include $(RTE_SDK)/mk/rte.extapp.mk +endif diff --git a/src/spdk/dpdk/examples/l2fwd-event/l2fwd_common.c b/src/spdk/dpdk/examples/l2fwd-event/l2fwd_common.c new file mode 100644 index 000000000..ab341e55b --- /dev/null +++ b/src/spdk/dpdk/examples/l2fwd-event/l2fwd_common.c @@ -0,0 +1,116 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(C) 2019 Marvell International Ltd. + */ + +#include "l2fwd_common.h" + +int +l2fwd_event_init_ports(struct l2fwd_resources *rsrc) +{ + uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; + uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; + struct rte_eth_conf port_conf = { + .rxmode = { + .max_rx_pkt_len = RTE_ETHER_MAX_LEN, + .split_hdr_size = 0, + }, + .txmode = { + .mq_mode = ETH_MQ_TX_NONE, + }, + }; + uint16_t nb_ports_available = 0; + uint16_t port_id; + int ret; + + if (rsrc->event_mode) { + port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS; + port_conf.rx_adv_conf.rss_conf.rss_key = NULL; + port_conf.rx_adv_conf.rss_conf.rss_hf = ETH_RSS_IP; + } + + /* Initialise each port */ + RTE_ETH_FOREACH_DEV(port_id) { + struct rte_eth_conf local_port_conf = port_conf; + struct rte_eth_dev_info dev_info; + struct rte_eth_rxconf rxq_conf; + struct rte_eth_txconf txq_conf; + + /* skip ports that are not enabled */ + if ((rsrc->enabled_port_mask & (1 << port_id)) == 0) { + printf("Skipping disabled port %u\n", port_id); + continue; + } + nb_ports_available++; + + /* init port */ + printf("Initializing port %u... ", port_id); + fflush(stdout); + + ret = rte_eth_dev_info_get(port_id, &dev_info); + if (ret != 0) + rte_panic("Error during getting device (port %u) info: %s\n", + port_id, strerror(-ret)); + local_port_conf.rx_adv_conf.rss_conf.rss_hf &= + dev_info.flow_type_rss_offloads; + if (local_port_conf.rx_adv_conf.rss_conf.rss_hf != + port_conf.rx_adv_conf.rss_conf.rss_hf) { + printf("Port %u modified RSS hash function based on hardware support," + "requested:%#"PRIx64" configured:%#"PRIx64"", + port_id, + port_conf.rx_adv_conf.rss_conf.rss_hf, + local_port_conf.rx_adv_conf.rss_conf.rss_hf); + } + + if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) + local_port_conf.txmode.offloads |= + DEV_TX_OFFLOAD_MBUF_FAST_FREE; + ret = rte_eth_dev_configure(port_id, 1, 1, &local_port_conf); + if (ret < 0) + rte_panic("Cannot configure device: err=%d, port=%u\n", + ret, port_id); + + ret = rte_eth_dev_adjust_nb_rx_tx_desc(port_id, &nb_rxd, + &nb_txd); + if (ret < 0) + rte_panic("Cannot adjust number of descriptors: err=%d, port=%u\n", + ret, port_id); + + rte_eth_macaddr_get(port_id, &rsrc->eth_addr[port_id]); + + /* init one RX queue */ + fflush(stdout); + rxq_conf = dev_info.default_rxconf; + rxq_conf.offloads = local_port_conf.rxmode.offloads; + ret = rte_eth_rx_queue_setup(port_id, 0, nb_rxd, + rte_eth_dev_socket_id(port_id), + &rxq_conf, + rsrc->pktmbuf_pool); + if (ret < 0) + rte_panic("rte_eth_rx_queue_setup:err=%d, port=%u\n", + ret, port_id); + + /* init one TX queue on each port */ + fflush(stdout); + txq_conf = dev_info.default_txconf; + txq_conf.offloads = local_port_conf.txmode.offloads; + ret = rte_eth_tx_queue_setup(port_id, 0, nb_txd, + rte_eth_dev_socket_id(port_id), + &txq_conf); + if (ret < 0) + rte_panic("rte_eth_tx_queue_setup:err=%d, port=%u\n", + ret, port_id); + + rte_eth_promiscuous_enable(port_id); + + printf("Port %u,MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n", + port_id, + rsrc->eth_addr[port_id].addr_bytes[0], + rsrc->eth_addr[port_id].addr_bytes[1], + rsrc->eth_addr[port_id].addr_bytes[2], + rsrc->eth_addr[port_id].addr_bytes[3], + rsrc->eth_addr[port_id].addr_bytes[4], + rsrc->eth_addr[port_id].addr_bytes[5]); + } + + return nb_ports_available; +} diff --git a/src/spdk/dpdk/examples/l2fwd-event/l2fwd_common.h b/src/spdk/dpdk/examples/l2fwd-event/l2fwd_common.h new file mode 100644 index 000000000..939221d45 --- /dev/null +++ b/src/spdk/dpdk/examples/l2fwd-event/l2fwd_common.h @@ -0,0 +1,133 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(C) 2019 Marvell International Ltd. + */ + +#ifndef __L2FWD_COMMON_H__ +#define __L2FWD_COMMON_H__ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdint.h> +#include <inttypes.h> +#include <sys/types.h> +#include <sys/queue.h> +#include <netinet/in.h> +#include <setjmp.h> +#include <stdarg.h> +#include <ctype.h> +#include <errno.h> +#include <getopt.h> +#include <signal.h> +#include <stdbool.h> + +#include <rte_common.h> +#include <rte_malloc.h> +#include <rte_memory.h> +#include <rte_memcpy.h> +#include <rte_eal.h> +#include <rte_launch.h> +#include <rte_atomic.h> +#include <rte_cycles.h> +#include <rte_prefetch.h> +#include <rte_lcore.h> +#include <rte_per_lcore.h> +#include <rte_branch_prediction.h> +#include <rte_interrupts.h> +#include <rte_random.h> +#include <rte_debug.h> +#include <rte_ether.h> +#include <rte_ethdev.h> +#include <rte_eventdev.h> +#include <rte_mempool.h> +#include <rte_mbuf.h> +#include <rte_spinlock.h> + +#define MAX_PKT_BURST 32 +#define MAX_RX_QUEUE_PER_LCORE 16 +#define MAX_TX_QUEUE_PER_PORT 16 + +#define RTE_TEST_RX_DESC_DEFAULT 1024 +#define RTE_TEST_TX_DESC_DEFAULT 1024 + +#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ +#define MEMPOOL_CACHE_SIZE 256 + +#define DEFAULT_TIMER_PERIOD 10 /* default period is 10 seconds */ +#define MAX_TIMER_PERIOD 86400 /* 1 day max */ + +/* Per-port statistics struct */ +struct l2fwd_port_statistics { + uint64_t dropped; + uint64_t tx; + uint64_t rx; +} __rte_cache_aligned; + +struct l2fwd_resources { + volatile uint8_t force_quit; + uint8_t event_mode; + uint8_t sched_type; + uint8_t mac_updating; + uint8_t rx_queue_per_lcore; + bool port_pairs; + uint16_t nb_rxd; + uint16_t nb_txd; + uint32_t enabled_port_mask; + uint64_t timer_period; + struct rte_mempool *pktmbuf_pool; + uint32_t dst_ports[RTE_MAX_ETHPORTS]; + struct rte_ether_addr eth_addr[RTE_MAX_ETHPORTS]; + struct l2fwd_port_statistics port_stats[RTE_MAX_ETHPORTS]; + void *evt_rsrc; + void *poll_rsrc; +} __rte_cache_aligned; + +static __rte_always_inline void +l2fwd_mac_updating(struct rte_mbuf *m, uint32_t dest_port_id, + struct rte_ether_addr *addr) +{ + struct rte_ether_hdr *eth; + void *tmp; + + eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *); + + /* 02:00:00:00:00:xx */ + tmp = ð->d_addr.addr_bytes[0]; + *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dest_port_id << 40); + + /* src addr */ + rte_ether_addr_copy(addr, ð->s_addr); +} + +static __rte_always_inline struct l2fwd_resources * +l2fwd_get_rsrc(void) +{ + static const char name[RTE_MEMZONE_NAMESIZE] = "rsrc"; + const struct rte_memzone *mz; + + mz = rte_memzone_lookup(name); + if (mz != NULL) + return mz->addr; + + mz = rte_memzone_reserve(name, sizeof(struct l2fwd_resources), 0, 0); + if (mz != NULL) { + struct l2fwd_resources *rsrc = mz->addr; + + memset(rsrc, 0, sizeof(struct l2fwd_resources)); + rsrc->mac_updating = true; + rsrc->event_mode = true; + rsrc->rx_queue_per_lcore = 1; + rsrc->sched_type = RTE_SCHED_TYPE_ATOMIC; + rsrc->timer_period = 10 * rte_get_timer_hz(); + + return mz->addr; + } + + rte_panic("Unable to allocate memory for l2fwd resources\n"); + + return NULL; +} + +int l2fwd_event_init_ports(struct l2fwd_resources *rsrc); + +#endif /* __L2FWD_COMMON_H__ */ diff --git a/src/spdk/dpdk/examples/l2fwd-event/l2fwd_event.c b/src/spdk/dpdk/examples/l2fwd-event/l2fwd_event.c new file mode 100644 index 000000000..38d590c14 --- /dev/null +++ b/src/spdk/dpdk/examples/l2fwd-event/l2fwd_event.c @@ -0,0 +1,394 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(C) 2019 Marvell International Ltd. + */ + +#include <stdbool.h> +#include <getopt.h> + +#include <rte_atomic.h> +#include <rte_cycles.h> +#include <rte_ethdev.h> +#include <rte_eventdev.h> +#include <rte_event_eth_rx_adapter.h> +#include <rte_event_eth_tx_adapter.h> +#include <rte_lcore.h> +#include <rte_malloc.h> +#include <rte_spinlock.h> + +#include "l2fwd_event.h" + +#define L2FWD_EVENT_SINGLE 0x1 +#define L2FWD_EVENT_BURST 0x2 +#define L2FWD_EVENT_TX_DIRECT 0x4 +#define L2FWD_EVENT_TX_ENQ 0x8 +#define L2FWD_EVENT_UPDT_MAC 0x10 + +static inline int +l2fwd_event_service_enable(uint32_t service_id) +{ + uint8_t min_service_count = UINT8_MAX; + uint32_t slcore_array[RTE_MAX_LCORE]; + unsigned int slcore = 0; + uint8_t service_count; + int32_t slcore_count; + + if (!rte_service_lcore_count()) + return -ENOENT; + + slcore_count = rte_service_lcore_list(slcore_array, RTE_MAX_LCORE); + if (slcore_count < 0) + return -ENOENT; + /* Get the core which has least number of services running. */ + while (slcore_count--) { + /* Reset default mapping */ + if (rte_service_map_lcore_set(service_id, + slcore_array[slcore_count], 0) != 0) + return -ENOENT; + service_count = rte_service_lcore_count_services( + slcore_array[slcore_count]); + if (service_count < min_service_count) { + slcore = slcore_array[slcore_count]; + min_service_count = service_count; + } + } + if (rte_service_map_lcore_set(service_id, slcore, 1) != 0) + return -ENOENT; + rte_service_lcore_start(slcore); + + return 0; +} + +void +l2fwd_event_service_setup(struct l2fwd_resources *rsrc) +{ + struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc; + struct rte_event_dev_info evdev_info; + uint32_t service_id, caps; + int ret, i; + + rte_event_dev_info_get(evt_rsrc->event_d_id, &evdev_info); + if (!(evdev_info.event_dev_cap & RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED)) { + ret = rte_event_dev_service_id_get(evt_rsrc->event_d_id, + &service_id); + if (ret != -ESRCH && ret != 0) + rte_panic("Error in starting eventdev service\n"); + l2fwd_event_service_enable(service_id); + } + + for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++) { + ret = rte_event_eth_rx_adapter_caps_get(evt_rsrc->event_d_id, + evt_rsrc->rx_adptr.rx_adptr[i], &caps); + if (ret < 0) + rte_panic("Failed to get Rx adapter[%d] caps\n", + evt_rsrc->rx_adptr.rx_adptr[i]); + ret = rte_event_eth_rx_adapter_service_id_get( + evt_rsrc->event_d_id, + &service_id); + if (ret != -ESRCH && ret != 0) + rte_panic("Error in starting Rx adapter[%d] service\n", + evt_rsrc->rx_adptr.rx_adptr[i]); + l2fwd_event_service_enable(service_id); + } + + for (i = 0; i < evt_rsrc->tx_adptr.nb_tx_adptr; i++) { + ret = rte_event_eth_tx_adapter_caps_get(evt_rsrc->event_d_id, + evt_rsrc->tx_adptr.tx_adptr[i], &caps); + if (ret < 0) + rte_panic("Failed to get Rx adapter[%d] caps\n", + evt_rsrc->tx_adptr.tx_adptr[i]); + ret = rte_event_eth_tx_adapter_service_id_get( + evt_rsrc->event_d_id, + &service_id); + if (ret != -ESRCH && ret != 0) + rte_panic("Error in starting Rx adapter[%d] service\n", + evt_rsrc->tx_adptr.tx_adptr[i]); + l2fwd_event_service_enable(service_id); + } +} + +static void +l2fwd_event_capability_setup(struct l2fwd_event_resources *evt_rsrc) +{ + uint32_t caps = 0; + uint16_t i; + int ret; + + RTE_ETH_FOREACH_DEV(i) { + ret = rte_event_eth_tx_adapter_caps_get(0, i, &caps); + if (ret) + rte_panic("Invalid capability for Tx adptr port %d\n", + i); + + evt_rsrc->tx_mode_q |= !(caps & + RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT); + } + + if (evt_rsrc->tx_mode_q) + l2fwd_event_set_generic_ops(&evt_rsrc->ops); + else + l2fwd_event_set_internal_port_ops(&evt_rsrc->ops); +} + +static __rte_noinline int +l2fwd_get_free_event_port(struct l2fwd_event_resources *evt_rsrc) +{ + static int index; + int port_id; + + rte_spinlock_lock(&evt_rsrc->evp.lock); + if (index >= evt_rsrc->evp.nb_ports) { + printf("No free event port is available\n"); + return -1; + } + + port_id = evt_rsrc->evp.event_p_id[index]; + index++; + rte_spinlock_unlock(&evt_rsrc->evp.lock); + + return port_id; +} + +static __rte_always_inline void +l2fwd_event_fwd(struct l2fwd_resources *rsrc, struct rte_event *ev, + const uint8_t tx_q_id, const uint64_t timer_period, + const uint32_t flags) +{ + struct rte_mbuf *mbuf = ev->mbuf; + uint16_t dst_port; + + rte_prefetch0(rte_pktmbuf_mtod(mbuf, void *)); + dst_port = rsrc->dst_ports[mbuf->port]; + + if (timer_period > 0) + __atomic_fetch_add(&rsrc->port_stats[mbuf->port].rx, + 1, __ATOMIC_RELAXED); + mbuf->port = dst_port; + + if (flags & L2FWD_EVENT_UPDT_MAC) + l2fwd_mac_updating(mbuf, dst_port, &rsrc->eth_addr[dst_port]); + + if (flags & L2FWD_EVENT_TX_ENQ) { + ev->queue_id = tx_q_id; + ev->op = RTE_EVENT_OP_FORWARD; + } + + if (flags & L2FWD_EVENT_TX_DIRECT) + rte_event_eth_tx_adapter_txq_set(mbuf, 0); + + if (timer_period > 0) + __atomic_fetch_add(&rsrc->port_stats[mbuf->port].tx, + 1, __ATOMIC_RELAXED); +} + +static __rte_always_inline void +l2fwd_event_loop_single(struct l2fwd_resources *rsrc, + const uint32_t flags) +{ + struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc; + const int port_id = l2fwd_get_free_event_port(evt_rsrc); + const uint8_t tx_q_id = evt_rsrc->evq.event_q_id[ + evt_rsrc->evq.nb_queues - 1]; + const uint64_t timer_period = rsrc->timer_period; + const uint8_t event_d_id = evt_rsrc->event_d_id; + struct rte_event ev; + + if (port_id < 0) + return; + + printf("%s(): entering eventdev main loop on lcore %u\n", __func__, + rte_lcore_id()); + + while (!rsrc->force_quit) { + /* Read packet from eventdev */ + if (!rte_event_dequeue_burst(event_d_id, port_id, &ev, 1, 0)) + continue; + + l2fwd_event_fwd(rsrc, &ev, tx_q_id, timer_period, flags); + + if (flags & L2FWD_EVENT_TX_ENQ) { + while (rte_event_enqueue_burst(event_d_id, port_id, + &ev, 1) && + !rsrc->force_quit) + ; + } + + if (flags & L2FWD_EVENT_TX_DIRECT) { + while (!rte_event_eth_tx_adapter_enqueue(event_d_id, + port_id, + &ev, 1, 0) && + !rsrc->force_quit) + ; + } + } +} + +static __rte_always_inline void +l2fwd_event_loop_burst(struct l2fwd_resources *rsrc, + const uint32_t flags) +{ + struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc; + const int port_id = l2fwd_get_free_event_port(evt_rsrc); + const uint8_t tx_q_id = evt_rsrc->evq.event_q_id[ + evt_rsrc->evq.nb_queues - 1]; + const uint64_t timer_period = rsrc->timer_period; + const uint8_t event_d_id = evt_rsrc->event_d_id; + const uint8_t deq_len = evt_rsrc->deq_depth; + struct rte_event ev[MAX_PKT_BURST]; + uint16_t nb_rx, nb_tx; + uint8_t i; + + if (port_id < 0) + return; + + printf("%s(): entering eventdev main loop on lcore %u\n", __func__, + rte_lcore_id()); + + while (!rsrc->force_quit) { + /* Read packet from eventdev */ + nb_rx = rte_event_dequeue_burst(event_d_id, port_id, ev, + deq_len, 0); + if (nb_rx == 0) + continue; + + for (i = 0; i < nb_rx; i++) { + l2fwd_event_fwd(rsrc, &ev[i], tx_q_id, timer_period, + flags); + } + + if (flags & L2FWD_EVENT_TX_ENQ) { + nb_tx = rte_event_enqueue_burst(event_d_id, port_id, + ev, nb_rx); + while (nb_tx < nb_rx && !rsrc->force_quit) + nb_tx += rte_event_enqueue_burst(event_d_id, + port_id, ev + nb_tx, + nb_rx - nb_tx); + } + + if (flags & L2FWD_EVENT_TX_DIRECT) { + nb_tx = rte_event_eth_tx_adapter_enqueue(event_d_id, + port_id, ev, + nb_rx, 0); + while (nb_tx < nb_rx && !rsrc->force_quit) + nb_tx += rte_event_eth_tx_adapter_enqueue( + event_d_id, port_id, + ev + nb_tx, nb_rx - nb_tx, 0); + } + } +} + +static __rte_always_inline void +l2fwd_event_loop(struct l2fwd_resources *rsrc, + const uint32_t flags) +{ + if (flags & L2FWD_EVENT_SINGLE) + l2fwd_event_loop_single(rsrc, flags); + if (flags & L2FWD_EVENT_BURST) + l2fwd_event_loop_burst(rsrc, flags); +} + +static void __rte_noinline +l2fwd_event_main_loop_tx_d(struct l2fwd_resources *rsrc) +{ + l2fwd_event_loop(rsrc, + L2FWD_EVENT_TX_DIRECT | L2FWD_EVENT_SINGLE); +} + +static void __rte_noinline +l2fwd_event_main_loop_tx_d_brst(struct l2fwd_resources *rsrc) +{ + l2fwd_event_loop(rsrc, L2FWD_EVENT_TX_DIRECT | L2FWD_EVENT_BURST); +} + +static void __rte_noinline +l2fwd_event_main_loop_tx_q(struct l2fwd_resources *rsrc) +{ + l2fwd_event_loop(rsrc, L2FWD_EVENT_TX_ENQ | L2FWD_EVENT_SINGLE); +} + +static void __rte_noinline +l2fwd_event_main_loop_tx_q_brst(struct l2fwd_resources *rsrc) +{ + l2fwd_event_loop(rsrc, L2FWD_EVENT_TX_ENQ | L2FWD_EVENT_BURST); +} + +static void __rte_noinline +l2fwd_event_main_loop_tx_d_mac(struct l2fwd_resources *rsrc) +{ + l2fwd_event_loop(rsrc, L2FWD_EVENT_UPDT_MAC | + L2FWD_EVENT_TX_DIRECT | L2FWD_EVENT_SINGLE); +} + +static void __rte_noinline +l2fwd_event_main_loop_tx_d_brst_mac(struct l2fwd_resources *rsrc) +{ + l2fwd_event_loop(rsrc, L2FWD_EVENT_UPDT_MAC | + L2FWD_EVENT_TX_DIRECT | L2FWD_EVENT_BURST); +} + +static void __rte_noinline +l2fwd_event_main_loop_tx_q_mac(struct l2fwd_resources *rsrc) +{ + l2fwd_event_loop(rsrc, L2FWD_EVENT_UPDT_MAC | + L2FWD_EVENT_TX_ENQ | L2FWD_EVENT_SINGLE); +} + +static void __rte_noinline +l2fwd_event_main_loop_tx_q_brst_mac(struct l2fwd_resources *rsrc) +{ + l2fwd_event_loop(rsrc, L2FWD_EVENT_UPDT_MAC | + L2FWD_EVENT_TX_ENQ | L2FWD_EVENT_BURST); +} + +void +l2fwd_event_resource_setup(struct l2fwd_resources *rsrc) +{ + /* [MAC_UPDT][TX_MODE][BURST] */ + const event_loop_cb event_loop[2][2][2] = { + [0][0][0] = l2fwd_event_main_loop_tx_d, + [0][0][1] = l2fwd_event_main_loop_tx_d_brst, + [0][1][0] = l2fwd_event_main_loop_tx_q, + [0][1][1] = l2fwd_event_main_loop_tx_q_brst, + [1][0][0] = l2fwd_event_main_loop_tx_d_mac, + [1][0][1] = l2fwd_event_main_loop_tx_d_brst_mac, + [1][1][0] = l2fwd_event_main_loop_tx_q_mac, + [1][1][1] = l2fwd_event_main_loop_tx_q_brst_mac, + }; + struct l2fwd_event_resources *evt_rsrc; + uint32_t event_queue_cfg; + int ret; + + if (!rte_event_dev_count()) + rte_panic("No Eventdev found\n"); + + evt_rsrc = rte_zmalloc("l2fwd_event", + sizeof(struct l2fwd_event_resources), 0); + if (evt_rsrc == NULL) + rte_panic("Failed to allocate memory\n"); + + rsrc->evt_rsrc = evt_rsrc; + + /* Setup eventdev capability callbacks */ + l2fwd_event_capability_setup(evt_rsrc); + + /* Event device configuration */ + event_queue_cfg = evt_rsrc->ops.event_device_setup(rsrc); + + /* Event queue configuration */ + evt_rsrc->ops.event_queue_setup(rsrc, event_queue_cfg); + + /* Event port configuration */ + evt_rsrc->ops.event_port_setup(rsrc); + + /* Rx/Tx adapters configuration */ + evt_rsrc->ops.adapter_setup(rsrc); + + /* Start event device */ + ret = rte_event_dev_start(evt_rsrc->event_d_id); + if (ret < 0) + rte_panic("Error in starting eventdev\n"); + + evt_rsrc->ops.l2fwd_event_loop = event_loop + [rsrc->mac_updating] + [evt_rsrc->tx_mode_q] + [evt_rsrc->has_burst]; +} diff --git a/src/spdk/dpdk/examples/l2fwd-event/l2fwd_event.h b/src/spdk/dpdk/examples/l2fwd-event/l2fwd_event.h new file mode 100644 index 000000000..78f22e5f9 --- /dev/null +++ b/src/spdk/dpdk/examples/l2fwd-event/l2fwd_event.h @@ -0,0 +1,73 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(C) 2019 Marvell International Ltd. + */ + +#ifndef __L2FWD_EVENT_H__ +#define __L2FWD_EVENT_H__ + +#include <rte_common.h> +#include <rte_event_eth_rx_adapter.h> +#include <rte_event_eth_tx_adapter.h> +#include <rte_mbuf.h> +#include <rte_spinlock.h> + +#include "l2fwd_common.h" + +typedef uint32_t (*event_device_setup_cb)(struct l2fwd_resources *rsrc); +typedef void (*event_port_setup_cb)(struct l2fwd_resources *rsrc); +typedef void (*event_queue_setup_cb)(struct l2fwd_resources *rsrc, + uint32_t event_queue_cfg); +typedef void (*adapter_setup_cb)(struct l2fwd_resources *rsrc); +typedef void (*event_loop_cb)(struct l2fwd_resources *rsrc); + +struct event_queues { + uint8_t *event_q_id; + uint8_t nb_queues; +}; + +struct event_ports { + uint8_t *event_p_id; + uint8_t nb_ports; + rte_spinlock_t lock; +}; + +struct event_rx_adptr { + uint32_t service_id; + uint8_t nb_rx_adptr; + uint8_t *rx_adptr; +}; + +struct event_tx_adptr { + uint32_t service_id; + uint8_t nb_tx_adptr; + uint8_t *tx_adptr; +}; + +struct event_setup_ops { + event_device_setup_cb event_device_setup; + event_queue_setup_cb event_queue_setup; + event_port_setup_cb event_port_setup; + adapter_setup_cb adapter_setup; + event_loop_cb l2fwd_event_loop; +}; + +struct l2fwd_event_resources { + uint8_t tx_mode_q; + uint8_t deq_depth; + uint8_t has_burst; + uint8_t event_d_id; + uint8_t disable_implicit_release; + struct event_ports evp; + struct event_queues evq; + struct event_setup_ops ops; + struct event_rx_adptr rx_adptr; + struct event_tx_adptr tx_adptr; + struct rte_event_port_conf def_p_conf; +}; + +void l2fwd_event_resource_setup(struct l2fwd_resources *rsrc); +void l2fwd_event_set_generic_ops(struct event_setup_ops *ops); +void l2fwd_event_set_internal_port_ops(struct event_setup_ops *ops); +void l2fwd_event_service_setup(struct l2fwd_resources *rsrc); + +#endif /* __L2FWD_EVENT_H__ */ diff --git a/src/spdk/dpdk/examples/l2fwd-event/l2fwd_event_generic.c b/src/spdk/dpdk/examples/l2fwd-event/l2fwd_event_generic.c new file mode 100644 index 000000000..2dc95e5f7 --- /dev/null +++ b/src/spdk/dpdk/examples/l2fwd-event/l2fwd_event_generic.c @@ -0,0 +1,320 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(C) 2019 Marvell International Ltd. + */ + +#include <stdbool.h> +#include <getopt.h> + +#include <rte_cycles.h> +#include <rte_ethdev.h> +#include <rte_eventdev.h> +#include <rte_event_eth_rx_adapter.h> +#include <rte_event_eth_tx_adapter.h> +#include <rte_lcore.h> +#include <rte_spinlock.h> + +#include "l2fwd_common.h" +#include "l2fwd_event.h" + +static uint32_t +l2fwd_event_device_setup_generic(struct l2fwd_resources *rsrc) +{ + struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc; + struct rte_event_dev_config event_d_conf = { + .nb_events_limit = 4096, + .nb_event_queue_flows = 1024, + .nb_event_port_dequeue_depth = 128, + .nb_event_port_enqueue_depth = 128 + }; + struct rte_event_dev_info dev_info; + const uint8_t event_d_id = 0; /* Always use first event device only */ + uint32_t event_queue_cfg = 0; + uint16_t ethdev_count = 0; + uint16_t num_workers = 0; + uint16_t port_id; + int ret; + + RTE_ETH_FOREACH_DEV(port_id) { + if ((rsrc->enabled_port_mask & (1 << port_id)) == 0) + continue; + ethdev_count++; + } + + /* Event device configurtion */ + rte_event_dev_info_get(event_d_id, &dev_info); + + /* Enable implicit release */ + if (dev_info.event_dev_cap & RTE_EVENT_DEV_CAP_IMPLICIT_RELEASE_DISABLE) + evt_rsrc->disable_implicit_release = 0; + + if (dev_info.event_dev_cap & RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES) + event_queue_cfg |= RTE_EVENT_QUEUE_CFG_ALL_TYPES; + + /* One queue for each ethdev port + one Tx adapter Single link queue. */ + event_d_conf.nb_event_queues = ethdev_count + 1; + if (dev_info.max_event_queues < event_d_conf.nb_event_queues) + event_d_conf.nb_event_queues = dev_info.max_event_queues; + + if (dev_info.max_num_events < event_d_conf.nb_events_limit) + event_d_conf.nb_events_limit = dev_info.max_num_events; + + if (dev_info.max_event_queue_flows < event_d_conf.nb_event_queue_flows) + event_d_conf.nb_event_queue_flows = + dev_info.max_event_queue_flows; + + if (dev_info.max_event_port_dequeue_depth < + event_d_conf.nb_event_port_dequeue_depth) + event_d_conf.nb_event_port_dequeue_depth = + dev_info.max_event_port_dequeue_depth; + + if (dev_info.max_event_port_enqueue_depth < + event_d_conf.nb_event_port_enqueue_depth) + event_d_conf.nb_event_port_enqueue_depth = + dev_info.max_event_port_enqueue_depth; + + /* Ignore Master core and service cores. */ + num_workers = rte_lcore_count() - 1 - rte_service_lcore_count(); + if (dev_info.max_event_ports < num_workers) + num_workers = dev_info.max_event_ports; + + event_d_conf.nb_event_ports = num_workers; + evt_rsrc->evp.nb_ports = num_workers; + evt_rsrc->evq.nb_queues = event_d_conf.nb_event_queues; + + evt_rsrc->has_burst = !!(dev_info.event_dev_cap & + RTE_EVENT_DEV_CAP_BURST_MODE); + + ret = rte_event_dev_configure(event_d_id, &event_d_conf); + if (ret < 0) + rte_panic("Error in configuring event device\n"); + + evt_rsrc->event_d_id = event_d_id; + return event_queue_cfg; +} + +static void +l2fwd_event_port_setup_generic(struct l2fwd_resources *rsrc) +{ + struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc; + uint8_t event_d_id = evt_rsrc->event_d_id; + struct rte_event_port_conf event_p_conf = { + .dequeue_depth = 32, + .enqueue_depth = 32, + .new_event_threshold = 4096 + }; + struct rte_event_port_conf def_p_conf; + uint8_t event_p_id; + int32_t ret; + + evt_rsrc->evp.event_p_id = (uint8_t *)malloc(sizeof(uint8_t) * + evt_rsrc->evp.nb_ports); + if (!evt_rsrc->evp.event_p_id) + rte_panic("No space is available\n"); + + memset(&def_p_conf, 0, sizeof(struct rte_event_port_conf)); + ret = rte_event_port_default_conf_get(event_d_id, 0, &def_p_conf); + if (ret < 0) + rte_panic("Error to get default configuration of event port\n"); + + if (def_p_conf.new_event_threshold < event_p_conf.new_event_threshold) + event_p_conf.new_event_threshold = + def_p_conf.new_event_threshold; + + if (def_p_conf.dequeue_depth < event_p_conf.dequeue_depth) + event_p_conf.dequeue_depth = def_p_conf.dequeue_depth; + + if (def_p_conf.enqueue_depth < event_p_conf.enqueue_depth) + event_p_conf.enqueue_depth = def_p_conf.enqueue_depth; + + event_p_conf.disable_implicit_release = + evt_rsrc->disable_implicit_release; + evt_rsrc->deq_depth = def_p_conf.dequeue_depth; + + for (event_p_id = 0; event_p_id < evt_rsrc->evp.nb_ports; + event_p_id++) { + ret = rte_event_port_setup(event_d_id, event_p_id, + &event_p_conf); + if (ret < 0) + rte_panic("Error in configuring event port %d\n", + event_p_id); + + ret = rte_event_port_link(event_d_id, event_p_id, + evt_rsrc->evq.event_q_id, + NULL, + evt_rsrc->evq.nb_queues - 1); + if (ret != (evt_rsrc->evq.nb_queues - 1)) + rte_panic("Error in linking event port %d to queues\n", + event_p_id); + evt_rsrc->evp.event_p_id[event_p_id] = event_p_id; + } + /* init spinlock */ + rte_spinlock_init(&evt_rsrc->evp.lock); + + evt_rsrc->def_p_conf = event_p_conf; +} + +static void +l2fwd_event_queue_setup_generic(struct l2fwd_resources *rsrc, + uint32_t event_queue_cfg) +{ + struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc; + uint8_t event_d_id = evt_rsrc->event_d_id; + struct rte_event_queue_conf event_q_conf = { + .nb_atomic_flows = 1024, + .nb_atomic_order_sequences = 1024, + .event_queue_cfg = event_queue_cfg, + .priority = RTE_EVENT_DEV_PRIORITY_NORMAL + }; + struct rte_event_queue_conf def_q_conf; + uint8_t event_q_id; + int32_t ret; + + event_q_conf.schedule_type = rsrc->sched_type; + evt_rsrc->evq.event_q_id = (uint8_t *)malloc(sizeof(uint8_t) * + evt_rsrc->evq.nb_queues); + if (!evt_rsrc->evq.event_q_id) + rte_panic("Memory allocation failure\n"); + + ret = rte_event_queue_default_conf_get(event_d_id, 0, &def_q_conf); + if (ret < 0) + rte_panic("Error to get default config of event queue\n"); + + if (def_q_conf.nb_atomic_flows < event_q_conf.nb_atomic_flows) + event_q_conf.nb_atomic_flows = def_q_conf.nb_atomic_flows; + + for (event_q_id = 0; event_q_id < (evt_rsrc->evq.nb_queues - 1); + event_q_id++) { + ret = rte_event_queue_setup(event_d_id, event_q_id, + &event_q_conf); + if (ret < 0) + rte_panic("Error in configuring event queue\n"); + evt_rsrc->evq.event_q_id[event_q_id] = event_q_id; + } + + event_q_conf.event_queue_cfg |= RTE_EVENT_QUEUE_CFG_SINGLE_LINK; + event_q_conf.priority = RTE_EVENT_DEV_PRIORITY_HIGHEST, + ret = rte_event_queue_setup(event_d_id, event_q_id, &event_q_conf); + if (ret < 0) + rte_panic("Error in configuring event queue for Tx adapter\n"); + evt_rsrc->evq.event_q_id[event_q_id] = event_q_id; +} + +static void +l2fwd_rx_tx_adapter_setup_generic(struct l2fwd_resources *rsrc) +{ + struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc; + struct rte_event_eth_rx_adapter_queue_conf eth_q_conf; + uint8_t event_d_id = evt_rsrc->event_d_id; + uint8_t rx_adptr_id = 0; + uint8_t tx_adptr_id = 0; + uint8_t tx_port_id = 0; + uint16_t port_id; + uint32_t service_id; + int32_t ret, i = 0; + + memset(ð_q_conf, 0, sizeof(eth_q_conf)); + eth_q_conf.ev.priority = RTE_EVENT_DEV_PRIORITY_NORMAL; + + /* Rx adapter setup */ + evt_rsrc->rx_adptr.nb_rx_adptr = 1; + evt_rsrc->rx_adptr.rx_adptr = (uint8_t *)malloc(sizeof(uint8_t) * + evt_rsrc->rx_adptr.nb_rx_adptr); + if (!evt_rsrc->rx_adptr.rx_adptr) { + free(evt_rsrc->evp.event_p_id); + free(evt_rsrc->evq.event_q_id); + rte_panic("Failed to allocate memery for Rx adapter\n"); + } + + ret = rte_event_eth_rx_adapter_create(rx_adptr_id, event_d_id, + &evt_rsrc->def_p_conf); + if (ret) + rte_panic("Failed to create rx adapter\n"); + + /* Configure user requested sched type */ + eth_q_conf.ev.sched_type = rsrc->sched_type; + RTE_ETH_FOREACH_DEV(port_id) { + if ((rsrc->enabled_port_mask & (1 << port_id)) == 0) + continue; + eth_q_conf.ev.queue_id = evt_rsrc->evq.event_q_id[i]; + ret = rte_event_eth_rx_adapter_queue_add(rx_adptr_id, port_id, + -1, ð_q_conf); + if (ret) + rte_panic("Failed to add queues to Rx adapter\n"); + if (i < evt_rsrc->evq.nb_queues) + i++; + } + + ret = rte_event_eth_rx_adapter_service_id_get(rx_adptr_id, &service_id); + if (ret != -ESRCH && ret != 0) + rte_panic("Error getting the service ID for rx adptr\n"); + + rte_service_runstate_set(service_id, 1); + rte_service_set_runstate_mapped_check(service_id, 0); + evt_rsrc->rx_adptr.service_id = service_id; + + ret = rte_event_eth_rx_adapter_start(rx_adptr_id); + if (ret) + rte_panic("Rx adapter[%d] start Failed\n", rx_adptr_id); + + evt_rsrc->rx_adptr.rx_adptr[0] = rx_adptr_id; + + /* Tx adapter setup */ + evt_rsrc->tx_adptr.nb_tx_adptr = 1; + evt_rsrc->tx_adptr.tx_adptr = (uint8_t *)malloc(sizeof(uint8_t) * + evt_rsrc->tx_adptr.nb_tx_adptr); + if (!evt_rsrc->tx_adptr.tx_adptr) { + free(evt_rsrc->rx_adptr.rx_adptr); + free(evt_rsrc->evp.event_p_id); + free(evt_rsrc->evq.event_q_id); + rte_panic("Failed to allocate memery for Rx adapter\n"); + } + + ret = rte_event_eth_tx_adapter_create(tx_adptr_id, event_d_id, + &evt_rsrc->def_p_conf); + if (ret) + rte_panic("Failed to create tx adapter\n"); + + RTE_ETH_FOREACH_DEV(port_id) { + if ((rsrc->enabled_port_mask & (1 << port_id)) == 0) + continue; + ret = rte_event_eth_tx_adapter_queue_add(tx_adptr_id, port_id, + -1); + if (ret) + rte_panic("Failed to add queues to Tx adapter\n"); + } + + ret = rte_event_eth_tx_adapter_service_id_get(tx_adptr_id, &service_id); + if (ret != -ESRCH && ret != 0) + rte_panic("Failed to get Tx adapter service ID\n"); + + rte_service_runstate_set(service_id, 1); + rte_service_set_runstate_mapped_check(service_id, 0); + evt_rsrc->tx_adptr.service_id = service_id; + + ret = rte_event_eth_tx_adapter_event_port_get(tx_adptr_id, &tx_port_id); + if (ret) + rte_panic("Failed to get Tx adapter port id: %d\n", ret); + + ret = rte_event_port_link(event_d_id, tx_port_id, + &evt_rsrc->evq.event_q_id[ + evt_rsrc->evq.nb_queues - 1], + NULL, 1); + if (ret != 1) + rte_panic("Unable to link Tx adapter port to Tx queue:err=%d\n", + ret); + + ret = rte_event_eth_tx_adapter_start(tx_adptr_id); + if (ret) + rte_panic("Tx adapter[%d] start Failed\n", tx_adptr_id); + + evt_rsrc->tx_adptr.tx_adptr[0] = tx_adptr_id; +} + +void +l2fwd_event_set_generic_ops(struct event_setup_ops *ops) +{ + ops->event_device_setup = l2fwd_event_device_setup_generic; + ops->event_queue_setup = l2fwd_event_queue_setup_generic; + ops->event_port_setup = l2fwd_event_port_setup_generic; + ops->adapter_setup = l2fwd_rx_tx_adapter_setup_generic; +} diff --git a/src/spdk/dpdk/examples/l2fwd-event/l2fwd_event_internal_port.c b/src/spdk/dpdk/examples/l2fwd-event/l2fwd_event_internal_port.c new file mode 100644 index 000000000..63d57b46c --- /dev/null +++ b/src/spdk/dpdk/examples/l2fwd-event/l2fwd_event_internal_port.c @@ -0,0 +1,296 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(C) 2019 Marvell International Ltd. + */ + +#include <stdbool.h> +#include <getopt.h> + +#include <rte_cycles.h> +#include <rte_ethdev.h> +#include <rte_eventdev.h> +#include <rte_event_eth_rx_adapter.h> +#include <rte_event_eth_tx_adapter.h> +#include <rte_lcore.h> +#include <rte_spinlock.h> + +#include "l2fwd_common.h" +#include "l2fwd_event.h" + +static uint32_t +l2fwd_event_device_setup_internal_port(struct l2fwd_resources *rsrc) +{ + struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc; + struct rte_event_dev_config event_d_conf = { + .nb_events_limit = 4096, + .nb_event_queue_flows = 1024, + .nb_event_port_dequeue_depth = 128, + .nb_event_port_enqueue_depth = 128 + }; + struct rte_event_dev_info dev_info; + const uint8_t event_d_id = 0; /* Always use first event device only */ + uint32_t event_queue_cfg = 0; + uint16_t ethdev_count = 0; + uint16_t num_workers = 0; + uint16_t port_id; + int ret; + + RTE_ETH_FOREACH_DEV(port_id) { + if ((rsrc->enabled_port_mask & (1 << port_id)) == 0) + continue; + ethdev_count++; + } + + /* Event device configurtion */ + rte_event_dev_info_get(event_d_id, &dev_info); + + /* Enable implicit release */ + if (dev_info.event_dev_cap & RTE_EVENT_DEV_CAP_IMPLICIT_RELEASE_DISABLE) + evt_rsrc->disable_implicit_release = 0; + + if (dev_info.event_dev_cap & RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES) + event_queue_cfg |= RTE_EVENT_QUEUE_CFG_ALL_TYPES; + + event_d_conf.nb_event_queues = ethdev_count; + if (dev_info.max_event_queues < event_d_conf.nb_event_queues) + event_d_conf.nb_event_queues = dev_info.max_event_queues; + + if (dev_info.max_num_events < event_d_conf.nb_events_limit) + event_d_conf.nb_events_limit = dev_info.max_num_events; + + if (dev_info.max_event_queue_flows < event_d_conf.nb_event_queue_flows) + event_d_conf.nb_event_queue_flows = + dev_info.max_event_queue_flows; + + if (dev_info.max_event_port_dequeue_depth < + event_d_conf.nb_event_port_dequeue_depth) + event_d_conf.nb_event_port_dequeue_depth = + dev_info.max_event_port_dequeue_depth; + + if (dev_info.max_event_port_enqueue_depth < + event_d_conf.nb_event_port_enqueue_depth) + event_d_conf.nb_event_port_enqueue_depth = + dev_info.max_event_port_enqueue_depth; + + /* Ignore Master core. */ + num_workers = rte_lcore_count() - 1; + if (dev_info.max_event_ports < num_workers) + num_workers = dev_info.max_event_ports; + + event_d_conf.nb_event_ports = num_workers; + evt_rsrc->evp.nb_ports = num_workers; + evt_rsrc->evq.nb_queues = event_d_conf.nb_event_queues; + evt_rsrc->has_burst = !!(dev_info.event_dev_cap & + RTE_EVENT_DEV_CAP_BURST_MODE); + + ret = rte_event_dev_configure(event_d_id, &event_d_conf); + if (ret < 0) + rte_panic("Error in configuring event device\n"); + + evt_rsrc->event_d_id = event_d_id; + return event_queue_cfg; +} + +static void +l2fwd_event_port_setup_internal_port(struct l2fwd_resources *rsrc) +{ + struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc; + uint8_t event_d_id = evt_rsrc->event_d_id; + struct rte_event_port_conf event_p_conf = { + .dequeue_depth = 32, + .enqueue_depth = 32, + .new_event_threshold = 4096 + }; + struct rte_event_port_conf def_p_conf; + uint8_t event_p_id; + int32_t ret; + + evt_rsrc->evp.event_p_id = (uint8_t *)malloc(sizeof(uint8_t) * + evt_rsrc->evp.nb_ports); + if (!evt_rsrc->evp.event_p_id) + rte_panic("Failed to allocate memory for Event Ports\n"); + + ret = rte_event_port_default_conf_get(event_d_id, 0, &def_p_conf); + if (ret < 0) + rte_panic("Error to get default configuration of event port\n"); + + if (def_p_conf.new_event_threshold < event_p_conf.new_event_threshold) + event_p_conf.new_event_threshold = + def_p_conf.new_event_threshold; + + if (def_p_conf.dequeue_depth < event_p_conf.dequeue_depth) + event_p_conf.dequeue_depth = def_p_conf.dequeue_depth; + + if (def_p_conf.enqueue_depth < event_p_conf.enqueue_depth) + event_p_conf.enqueue_depth = def_p_conf.enqueue_depth; + + event_p_conf.disable_implicit_release = + evt_rsrc->disable_implicit_release; + + for (event_p_id = 0; event_p_id < evt_rsrc->evp.nb_ports; + event_p_id++) { + ret = rte_event_port_setup(event_d_id, event_p_id, + &event_p_conf); + if (ret < 0) + rte_panic("Error in configuring event port %d\n", + event_p_id); + + ret = rte_event_port_link(event_d_id, event_p_id, NULL, + NULL, 0); + if (ret < 0) + rte_panic("Error in linking event port %d to queue\n", + event_p_id); + evt_rsrc->evp.event_p_id[event_p_id] = event_p_id; + + /* init spinlock */ + rte_spinlock_init(&evt_rsrc->evp.lock); + } + + evt_rsrc->def_p_conf = event_p_conf; +} + +static void +l2fwd_event_queue_setup_internal_port(struct l2fwd_resources *rsrc, + uint32_t event_queue_cfg) +{ + struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc; + uint8_t event_d_id = evt_rsrc->event_d_id; + struct rte_event_queue_conf event_q_conf = { + .nb_atomic_flows = 1024, + .nb_atomic_order_sequences = 1024, + .event_queue_cfg = event_queue_cfg, + .priority = RTE_EVENT_DEV_PRIORITY_NORMAL + }; + struct rte_event_queue_conf def_q_conf; + uint8_t event_q_id = 0; + int32_t ret; + + ret = rte_event_queue_default_conf_get(event_d_id, event_q_id, + &def_q_conf); + if (ret < 0) + rte_panic("Error to get default config of event queue\n"); + + if (def_q_conf.nb_atomic_flows < event_q_conf.nb_atomic_flows) + event_q_conf.nb_atomic_flows = def_q_conf.nb_atomic_flows; + + if (def_q_conf.nb_atomic_order_sequences < + event_q_conf.nb_atomic_order_sequences) + event_q_conf.nb_atomic_order_sequences = + def_q_conf.nb_atomic_order_sequences; + + event_q_conf.event_queue_cfg = event_queue_cfg; + event_q_conf.schedule_type = rsrc->sched_type; + evt_rsrc->evq.event_q_id = (uint8_t *)malloc(sizeof(uint8_t) * + evt_rsrc->evq.nb_queues); + if (!evt_rsrc->evq.event_q_id) + rte_panic("Memory allocation failure\n"); + + for (event_q_id = 0; event_q_id < evt_rsrc->evq.nb_queues; + event_q_id++) { + ret = rte_event_queue_setup(event_d_id, event_q_id, + &event_q_conf); + if (ret < 0) + rte_panic("Error in configuring event queue\n"); + evt_rsrc->evq.event_q_id[event_q_id] = event_q_id; + } +} + +static void +l2fwd_rx_tx_adapter_setup_internal_port(struct l2fwd_resources *rsrc) +{ + struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc; + struct rte_event_eth_rx_adapter_queue_conf eth_q_conf; + uint8_t event_d_id = evt_rsrc->event_d_id; + uint16_t adapter_id = 0; + uint16_t nb_adapter = 0; + uint16_t port_id; + uint8_t q_id = 0; + int ret; + + memset(ð_q_conf, 0, sizeof(eth_q_conf)); + eth_q_conf.ev.priority = RTE_EVENT_DEV_PRIORITY_NORMAL; + + RTE_ETH_FOREACH_DEV(port_id) { + if ((rsrc->enabled_port_mask & (1 << port_id)) == 0) + continue; + nb_adapter++; + } + + evt_rsrc->rx_adptr.nb_rx_adptr = nb_adapter; + evt_rsrc->rx_adptr.rx_adptr = (uint8_t *)malloc(sizeof(uint8_t) * + evt_rsrc->rx_adptr.nb_rx_adptr); + if (!evt_rsrc->rx_adptr.rx_adptr) { + free(evt_rsrc->evp.event_p_id); + free(evt_rsrc->evq.event_q_id); + rte_panic("Failed to allocate memery for Rx adapter\n"); + } + + + RTE_ETH_FOREACH_DEV(port_id) { + if ((rsrc->enabled_port_mask & (1 << port_id)) == 0) + continue; + ret = rte_event_eth_rx_adapter_create(adapter_id, event_d_id, + &evt_rsrc->def_p_conf); + if (ret) + rte_panic("Failed to create rx adapter[%d]\n", + adapter_id); + + /* Configure user requested sched type*/ + eth_q_conf.ev.sched_type = rsrc->sched_type; + eth_q_conf.ev.queue_id = evt_rsrc->evq.event_q_id[q_id]; + ret = rte_event_eth_rx_adapter_queue_add(adapter_id, port_id, + -1, ð_q_conf); + if (ret) + rte_panic("Failed to add queues to Rx adapter\n"); + + ret = rte_event_eth_rx_adapter_start(adapter_id); + if (ret) + rte_panic("Rx adapter[%d] start Failed\n", adapter_id); + + evt_rsrc->rx_adptr.rx_adptr[adapter_id] = adapter_id; + adapter_id++; + if (q_id < evt_rsrc->evq.nb_queues) + q_id++; + } + + evt_rsrc->tx_adptr.nb_tx_adptr = nb_adapter; + evt_rsrc->tx_adptr.tx_adptr = (uint8_t *)malloc(sizeof(uint8_t) * + evt_rsrc->tx_adptr.nb_tx_adptr); + if (!evt_rsrc->tx_adptr.tx_adptr) { + free(evt_rsrc->rx_adptr.rx_adptr); + free(evt_rsrc->evp.event_p_id); + free(evt_rsrc->evq.event_q_id); + rte_panic("Failed to allocate memery for Rx adapter\n"); + } + + adapter_id = 0; + RTE_ETH_FOREACH_DEV(port_id) { + if ((rsrc->enabled_port_mask & (1 << port_id)) == 0) + continue; + ret = rte_event_eth_tx_adapter_create(adapter_id, event_d_id, + &evt_rsrc->def_p_conf); + if (ret) + rte_panic("Failed to create tx adapter[%d]\n", + adapter_id); + + ret = rte_event_eth_tx_adapter_queue_add(adapter_id, port_id, + -1); + if (ret) + rte_panic("Failed to add queues to Tx adapter\n"); + + ret = rte_event_eth_tx_adapter_start(adapter_id); + if (ret) + rte_panic("Tx adapter[%d] start Failed\n", adapter_id); + + evt_rsrc->tx_adptr.tx_adptr[adapter_id] = adapter_id; + adapter_id++; + } +} + +void +l2fwd_event_set_internal_port_ops(struct event_setup_ops *ops) +{ + ops->event_device_setup = l2fwd_event_device_setup_internal_port; + ops->event_queue_setup = l2fwd_event_queue_setup_internal_port; + ops->event_port_setup = l2fwd_event_port_setup_internal_port; + ops->adapter_setup = l2fwd_rx_tx_adapter_setup_internal_port; +} diff --git a/src/spdk/dpdk/examples/l2fwd-event/l2fwd_poll.c b/src/spdk/dpdk/examples/l2fwd-event/l2fwd_poll.c new file mode 100644 index 000000000..2033c65e5 --- /dev/null +++ b/src/spdk/dpdk/examples/l2fwd-event/l2fwd_poll.c @@ -0,0 +1,182 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(C) 2019 Marvell International Ltd. + */ + +#include "l2fwd_poll.h" + +static inline void +l2fwd_poll_simple_forward(struct l2fwd_resources *rsrc, struct rte_mbuf *m, + uint32_t portid) +{ + struct rte_eth_dev_tx_buffer *buffer; + uint32_t dst_port; + int sent; + + dst_port = rsrc->dst_ports[portid]; + + if (rsrc->mac_updating) + l2fwd_mac_updating(m, dst_port, &rsrc->eth_addr[dst_port]); + + buffer = ((struct l2fwd_poll_resources *)rsrc->poll_rsrc)->tx_buffer[ + dst_port]; + sent = rte_eth_tx_buffer(dst_port, 0, buffer, m); + if (sent) + rsrc->port_stats[dst_port].tx += sent; +} + +/* main poll mode processing loop */ +static void +l2fwd_poll_main_loop(struct l2fwd_resources *rsrc) +{ + uint64_t prev_tsc, diff_tsc, cur_tsc, drain_tsc; + struct l2fwd_poll_resources *poll_rsrc = rsrc->poll_rsrc; + struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; + struct rte_eth_dev_tx_buffer *buf; + struct lcore_queue_conf *qconf; + uint32_t i, j, port_id, nb_rx; + struct rte_mbuf *m; + uint32_t lcore_id; + int32_t sent; + + drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * + BURST_TX_DRAIN_US; + prev_tsc = 0; + + lcore_id = rte_lcore_id(); + qconf = &poll_rsrc->lcore_queue_conf[lcore_id]; + + if (qconf->n_rx_port == 0) { + printf("lcore %u has nothing to do\n", lcore_id); + return; + } + + printf("entering main loop on lcore %u\n", lcore_id); + + for (i = 0; i < qconf->n_rx_port; i++) { + + port_id = qconf->rx_port_list[i]; + printf(" -- lcoreid=%u port_id=%u\n", lcore_id, port_id); + + } + + while (!rsrc->force_quit) { + + cur_tsc = rte_rdtsc(); + + /* + * TX burst queue drain + */ + diff_tsc = cur_tsc - prev_tsc; + if (unlikely(diff_tsc > drain_tsc)) { + for (i = 0; i < qconf->n_rx_port; i++) { + port_id = + rsrc->dst_ports[qconf->rx_port_list[i]]; + buf = poll_rsrc->tx_buffer[port_id]; + sent = rte_eth_tx_buffer_flush(port_id, 0, buf); + if (sent) + rsrc->port_stats[port_id].tx += sent; + } + + prev_tsc = cur_tsc; + } + + /* + * Read packet from RX queues + */ + for (i = 0; i < qconf->n_rx_port; i++) { + + port_id = qconf->rx_port_list[i]; + nb_rx = rte_eth_rx_burst(port_id, 0, pkts_burst, + MAX_PKT_BURST); + + rsrc->port_stats[port_id].rx += nb_rx; + + for (j = 0; j < nb_rx; j++) { + m = pkts_burst[j]; + rte_prefetch0(rte_pktmbuf_mtod(m, void *)); + l2fwd_poll_simple_forward(rsrc, m, port_id); + } + } + } +} + +static void +l2fwd_poll_lcore_config(struct l2fwd_resources *rsrc) +{ + struct l2fwd_poll_resources *poll_rsrc = rsrc->poll_rsrc; + struct lcore_queue_conf *qconf = NULL; + uint32_t rx_lcore_id = 0; + uint16_t port_id; + + /* Initialize the port/queue configuration of each logical core */ + RTE_ETH_FOREACH_DEV(port_id) { + /* skip ports that are not enabled */ + if ((rsrc->enabled_port_mask & (1 << port_id)) == 0) + continue; + + /* get the lcore_id for this port */ + while (rte_lcore_is_enabled(rx_lcore_id) == 0 || + rx_lcore_id == rte_get_master_lcore() || + poll_rsrc->lcore_queue_conf[rx_lcore_id].n_rx_port == + rsrc->rx_queue_per_lcore) { + rx_lcore_id++; + if (rx_lcore_id >= RTE_MAX_LCORE) + rte_panic("Not enough cores\n"); + } + + if (qconf != &poll_rsrc->lcore_queue_conf[rx_lcore_id]) { + /* Assigned a new logical core in the loop above. */ + qconf = &poll_rsrc->lcore_queue_conf[rx_lcore_id]; + } + + qconf->rx_port_list[qconf->n_rx_port] = port_id; + qconf->n_rx_port++; + printf("Lcore %u: RX port %u\n", rx_lcore_id, port_id); + } +} + +static void +l2fwd_poll_init_tx_buffers(struct l2fwd_resources *rsrc) +{ + struct l2fwd_poll_resources *poll_rsrc = rsrc->poll_rsrc; + uint16_t port_id; + int ret; + + RTE_ETH_FOREACH_DEV(port_id) { + /* Initialize TX buffers */ + poll_rsrc->tx_buffer[port_id] = rte_zmalloc_socket("tx_buffer", + RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0, + rte_eth_dev_socket_id(port_id)); + if (poll_rsrc->tx_buffer[port_id] == NULL) + rte_panic("Cannot allocate buffer for tx on port %u\n", + port_id); + + rte_eth_tx_buffer_init(poll_rsrc->tx_buffer[port_id], + MAX_PKT_BURST); + + ret = rte_eth_tx_buffer_set_err_callback( + poll_rsrc->tx_buffer[port_id], + rte_eth_tx_buffer_count_callback, + &rsrc->port_stats[port_id].dropped); + if (ret < 0) + rte_panic("Cannot set error callback for tx buffer on port %u\n", + port_id); + } +} + +void +l2fwd_poll_resource_setup(struct l2fwd_resources *rsrc) +{ + struct l2fwd_poll_resources *poll_rsrc; + + poll_rsrc = rte_zmalloc("l2fwd_poll_rsrc", + sizeof(struct l2fwd_poll_resources), 0); + if (poll_rsrc == NULL) + rte_panic("Failed to allocate resources for l2fwd poll mode\n"); + + rsrc->poll_rsrc = poll_rsrc; + l2fwd_poll_lcore_config(rsrc); + l2fwd_poll_init_tx_buffers(rsrc); + + poll_rsrc->poll_main_loop = l2fwd_poll_main_loop; +} diff --git a/src/spdk/dpdk/examples/l2fwd-event/l2fwd_poll.h b/src/spdk/dpdk/examples/l2fwd-event/l2fwd_poll.h new file mode 100644 index 000000000..d59b0c844 --- /dev/null +++ b/src/spdk/dpdk/examples/l2fwd-event/l2fwd_poll.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(C) 2019 Marvell International Ltd. + */ + +#ifndef __L2FWD_POLL_H__ +#define __L2FWD_POLL_H__ + +#include "l2fwd_common.h" + +typedef void (*poll_main_loop_cb)(struct l2fwd_resources *rsrc); + +struct lcore_queue_conf { + uint32_t rx_port_list[MAX_RX_QUEUE_PER_LCORE]; + uint32_t n_rx_port; +} __rte_cache_aligned; + +struct l2fwd_poll_resources { + poll_main_loop_cb poll_main_loop; + struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS]; + struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; +}; + +void l2fwd_poll_resource_setup(struct l2fwd_resources *rsrc); + +#endif diff --git a/src/spdk/dpdk/examples/l2fwd-event/main.c b/src/spdk/dpdk/examples/l2fwd-event/main.c new file mode 100644 index 000000000..9593ef11e --- /dev/null +++ b/src/spdk/dpdk/examples/l2fwd-event/main.c @@ -0,0 +1,720 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(C) 2019 Marvell International Ltd. + */ + +#include <rte_string_fns.h> + +#include "l2fwd_event.h" +#include "l2fwd_poll.h" + +/* display usage */ +static void +l2fwd_event_usage(const char *prgname) +{ + printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n" + " -p PORTMASK: hexadecimal bitmask of ports to configure\n" + " -q NQ: number of queue (=ports) per lcore (default is 1)\n" + " -T PERIOD: statistics will be refreshed each PERIOD seconds " + " (0 to disable, 10 default, 86400 maximum)\n" + " --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n" + " When enabled:\n" + " - The source MAC address is replaced by the TX port MAC address\n" + " - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n" + " --mode: Packet transfer mode for I/O, poll or eventdev\n" + " Default mode = eventdev\n" + " --eventq-sched: Event queue schedule type, ordered, atomic or parallel.\n" + " Default: atomic\n" + " Valid only if --mode=eventdev\n" + " --config: Configure forwarding port pair mapping\n" + " Default: alternate port pairs\n\n", + prgname); +} + +static int +l2fwd_event_parse_portmask(const char *portmask) +{ + char *end = NULL; + unsigned long pm; + + /* parse hexadecimal string */ + pm = strtoul(portmask, &end, 16); + if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) + return -1; + + if (pm == 0) + return -1; + + return pm; +} + +static unsigned int +l2fwd_event_parse_nqueue(const char *q_arg) +{ + char *end = NULL; + unsigned long n; + + /* parse hexadecimal string */ + n = strtoul(q_arg, &end, 10); + if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) + return 0; + if (n == 0) + return 0; + if (n >= MAX_RX_QUEUE_PER_LCORE) + return 0; + + return n; +} + +static int +l2fwd_event_parse_timer_period(const char *q_arg) +{ + char *end = NULL; + int n; + + /* parse number string */ + n = strtol(q_arg, &end, 10); + if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) + return -1; + if (n >= MAX_TIMER_PERIOD) + return -1; + + return n; +} + +static void +l2fwd_event_parse_mode(const char *optarg, + struct l2fwd_resources *rsrc) +{ + if (!strncmp(optarg, "poll", 4)) + rsrc->event_mode = false; + else if (!strncmp(optarg, "eventdev", 8)) + rsrc->event_mode = true; +} + +static void +l2fwd_event_parse_eventq_sched(const char *optarg, + struct l2fwd_resources *rsrc) +{ + if (!strncmp(optarg, "ordered", 7)) + rsrc->sched_type = RTE_SCHED_TYPE_ORDERED; + else if (!strncmp(optarg, "atomic", 6)) + rsrc->sched_type = RTE_SCHED_TYPE_ATOMIC; + else if (!strncmp(optarg, "parallel", 8)) + rsrc->sched_type = RTE_SCHED_TYPE_PARALLEL; +} + +static int +l2fwd_parse_port_pair_config(const char *q_arg, struct l2fwd_resources *rsrc) +{ + enum fieldnames { + FLD_PORT1 = 0, + FLD_PORT2, + _NUM_FLD + }; + const char *p, *p0 = q_arg; + uint16_t int_fld[_NUM_FLD]; + char *str_fld[_NUM_FLD]; + uint16_t port_pair = 0; + unsigned int size; + char s[256]; + char *end; + int i; + + while ((p = strchr(p0, '(')) != NULL) { + ++p; + p0 = strchr(p, ')'); + if (p0 == NULL) + return -1; + + size = p0 - p; + if (size >= sizeof(s)) + return -1; + + memcpy(s, p, size); + if (rte_strsplit(s, sizeof(s), str_fld, + _NUM_FLD, ',') != _NUM_FLD) + return -1; + + for (i = 0; i < _NUM_FLD; i++) { + errno = 0; + int_fld[i] = strtoul(str_fld[i], &end, 0); + if (errno != 0 || end == str_fld[i] || + int_fld[i] >= RTE_MAX_ETHPORTS) + return -1; + } + + if (port_pair >= RTE_MAX_ETHPORTS / 2) { + printf("exceeded max number of port pair params: Current %d Max = %d\n", + port_pair, RTE_MAX_ETHPORTS / 2); + return -1; + } + + if ((rsrc->dst_ports[int_fld[FLD_PORT1]] != UINT32_MAX) || + (rsrc->dst_ports[int_fld[FLD_PORT2]] != UINT32_MAX)) { + printf("Duplicate port pair (%d,%d) config\n", + int_fld[FLD_PORT1], int_fld[FLD_PORT2]); + return -1; + } + + rsrc->dst_ports[int_fld[FLD_PORT1]] = int_fld[FLD_PORT2]; + rsrc->dst_ports[int_fld[FLD_PORT2]] = int_fld[FLD_PORT1]; + + port_pair++; + } + + rsrc->port_pairs = true; + + return 0; +} + +static const char short_options[] = + "p:" /* portmask */ + "q:" /* number of queues */ + "T:" /* timer period */ + ; + +#define CMD_LINE_OPT_MAC_UPDATING "mac-updating" +#define CMD_LINE_OPT_NO_MAC_UPDATING "no-mac-updating" +#define CMD_LINE_OPT_MODE "mode" +#define CMD_LINE_OPT_EVENTQ_SCHED "eventq-sched" +#define CMD_LINE_OPT_PORT_PAIR_CONF "config" + +enum { + /* long options mapped to a short option */ + + /* first long only option value must be >= 256, so that we won't + * conflict with short options + */ + CMD_LINE_OPT_MIN_NUM = 256, + CMD_LINE_OPT_MODE_NUM, + CMD_LINE_OPT_EVENTQ_SCHED_NUM, + CMD_LINE_OPT_PORT_PAIR_CONF_NUM, +}; + +/* Parse the argument given in the command line of the application */ +static int +l2fwd_event_parse_args(int argc, char **argv, struct l2fwd_resources *rsrc) +{ + int mac_updating = 1; + struct option lgopts[] = { + { CMD_LINE_OPT_MAC_UPDATING, no_argument, &mac_updating, 1}, + { CMD_LINE_OPT_NO_MAC_UPDATING, no_argument, &mac_updating, 0}, + { CMD_LINE_OPT_MODE, required_argument, NULL, + CMD_LINE_OPT_MODE_NUM}, + { CMD_LINE_OPT_EVENTQ_SCHED, required_argument, NULL, + CMD_LINE_OPT_EVENTQ_SCHED_NUM}, + { CMD_LINE_OPT_PORT_PAIR_CONF, required_argument, NULL, + CMD_LINE_OPT_PORT_PAIR_CONF_NUM}, + {NULL, 0, 0, 0} + }; + int opt, ret, timer_secs; + char *prgname = argv[0]; + uint16_t port_id; + int option_index; + char **argvopt; + + /* reset l2fwd_dst_ports */ + for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++) + rsrc->dst_ports[port_id] = UINT32_MAX; + + argvopt = argv; + while ((opt = getopt_long(argc, argvopt, short_options, + lgopts, &option_index)) != EOF) { + + switch (opt) { + /* portmask */ + case 'p': + rsrc->enabled_port_mask = + l2fwd_event_parse_portmask(optarg); + if (rsrc->enabled_port_mask == 0) { + printf("invalid portmask\n"); + l2fwd_event_usage(prgname); + return -1; + } + break; + + /* nqueue */ + case 'q': + rsrc->rx_queue_per_lcore = + l2fwd_event_parse_nqueue(optarg); + if (rsrc->rx_queue_per_lcore == 0) { + printf("invalid queue number\n"); + l2fwd_event_usage(prgname); + return -1; + } + break; + + /* timer period */ + case 'T': + timer_secs = l2fwd_event_parse_timer_period(optarg); + if (timer_secs < 0) { + printf("invalid timer period\n"); + l2fwd_event_usage(prgname); + return -1; + } + rsrc->timer_period = timer_secs; + /* convert to number of cycles */ + rsrc->timer_period *= rte_get_timer_hz(); + break; + + case CMD_LINE_OPT_MODE_NUM: + l2fwd_event_parse_mode(optarg, rsrc); + break; + + case CMD_LINE_OPT_EVENTQ_SCHED_NUM: + l2fwd_event_parse_eventq_sched(optarg, rsrc); + break; + + case CMD_LINE_OPT_PORT_PAIR_CONF_NUM: + ret = l2fwd_parse_port_pair_config(optarg, rsrc); + if (ret) { + printf("Invalid port pair config\n"); + l2fwd_event_usage(prgname); + return -1; + } + break; + + /* long options */ + case 0: + break; + + default: + l2fwd_event_usage(prgname); + return -1; + } + } + + rsrc->mac_updating = mac_updating; + + if (optind >= 0) + argv[optind-1] = prgname; + + ret = optind-1; + optind = 1; /* reset getopt lib */ + return ret; +} + +/* + * Check port pair config with enabled port mask, + * and for valid port pair combinations. + */ +static int +check_port_pair_config(struct l2fwd_resources *rsrc) +{ + uint32_t port_pair_mask = 0; + uint32_t portid; + uint16_t index; + + for (index = 0; index < rte_eth_dev_count_avail(); index++) { + if ((rsrc->enabled_port_mask & (1 << index)) == 0 || + (port_pair_mask & (1 << index))) + continue; + + portid = rsrc->dst_ports[index]; + if (portid == UINT32_MAX) { + printf("port %u is enabled in but no valid port pair\n", + index); + return -1; + } + + if (!rte_eth_dev_is_valid_port(index)) { + printf("port %u is not valid\n", index); + return -1; + } + + if (!rte_eth_dev_is_valid_port(portid)) { + printf("port %u is not valid\n", portid); + return -1; + } + + if (port_pair_mask & (1 << portid) && + rsrc->dst_ports[portid] != index) { + printf("port %u is used in other port pairs\n", portid); + return -1; + } + + port_pair_mask |= (1 << portid); + port_pair_mask |= (1 << index); + } + + return 0; +} + +static int +l2fwd_launch_one_lcore(void *args) +{ + struct l2fwd_resources *rsrc = args; + struct l2fwd_poll_resources *poll_rsrc = rsrc->poll_rsrc; + struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc; + + if (rsrc->event_mode) + evt_rsrc->ops.l2fwd_event_loop(rsrc); + else + poll_rsrc->poll_main_loop(rsrc); + + return 0; +} + +/* Check the link status of all ports in up to 9s, and print them finally */ +static void +check_all_ports_link_status(struct l2fwd_resources *rsrc, + uint32_t port_mask) +{ +#define CHECK_INTERVAL 100 /* 100ms */ +#define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ + uint16_t port_id; + uint8_t count, all_ports_up, print_flag = 0; + struct rte_eth_link link; + int ret; + + printf("\nChecking link status..."); + fflush(stdout); + for (count = 0; count <= MAX_CHECK_TIME; count++) { + if (rsrc->force_quit) + return; + all_ports_up = 1; + RTE_ETH_FOREACH_DEV(port_id) { + if (rsrc->force_quit) + return; + if ((port_mask & (1 << port_id)) == 0) + continue; + memset(&link, 0, sizeof(link)); + ret = rte_eth_link_get_nowait(port_id, &link); + if (ret < 0) { + all_ports_up = 0; + if (print_flag == 1) + printf("Port %u link get failed: %s\n", + port_id, rte_strerror(-ret)); + continue; + } + /* print link status if flag set */ + if (print_flag == 1) { + if (link.link_status) + printf( + "Port%d Link Up. Speed %u Mbps - %s\n", + port_id, link.link_speed, + (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? + ("full-duplex") : ("half-duplex")); + else + printf("Port %d Link Down\n", port_id); + continue; + } + /* clear all_ports_up flag if any link down */ + if (link.link_status == ETH_LINK_DOWN) { + all_ports_up = 0; + break; + } + } + /* after finally printing all link status, get out */ + if (print_flag == 1) + break; + + if (all_ports_up == 0) { + printf("."); + fflush(stdout); + rte_delay_ms(CHECK_INTERVAL); + } + + /* set the print_flag if all ports up or timeout */ + if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { + print_flag = 1; + printf("done\n"); + } + } +} + +/* Print out statistics on packets dropped */ +static void +print_stats(struct l2fwd_resources *rsrc) +{ + uint64_t total_packets_dropped, total_packets_tx, total_packets_rx; + uint32_t port_id; + + total_packets_dropped = 0; + total_packets_tx = 0; + total_packets_rx = 0; + + const char clr[] = {27, '[', '2', 'J', '\0' }; + const char topLeft[] = {27, '[', '1', ';', '1', 'H', '\0' }; + + /* Clear screen and move to top left */ + printf("%s%s", clr, topLeft); + + printf("\nPort statistics ===================================="); + + for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++) { + /* skip disabled ports */ + if ((rsrc->enabled_port_mask & (1 << port_id)) == 0) + continue; + printf("\nStatistics for port %u ------------------------------" + "\nPackets sent: %29"PRIu64 + "\nPackets received: %25"PRIu64 + "\nPackets dropped: %26"PRIu64, + port_id, + rsrc->port_stats[port_id].tx, + rsrc->port_stats[port_id].rx, + rsrc->port_stats[port_id].dropped); + + total_packets_dropped += + rsrc->port_stats[port_id].dropped; + total_packets_tx += rsrc->port_stats[port_id].tx; + total_packets_rx += rsrc->port_stats[port_id].rx; + } + + if (rsrc->event_mode) { + struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc; + struct rte_event_eth_rx_adapter_stats rx_adptr_stats; + struct rte_event_eth_tx_adapter_stats tx_adptr_stats; + int ret, i; + + for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++) { + ret = rte_event_eth_rx_adapter_stats_get( + evt_rsrc->rx_adptr.rx_adptr[i], + &rx_adptr_stats); + if (ret < 0) + continue; + printf("\nRx adapter[%d] statistics====================" + "\nReceive queue poll count: %17"PRIu64 + "\nReceived packet count: %20"PRIu64 + "\nEventdev enqueue count: %19"PRIu64 + "\nEventdev enqueue retry count: %13"PRIu64 + "\nReceived packet dropped count: %12"PRIu64 + "\nRx enqueue start timestamp: %15"PRIu64 + "\nRx enqueue block cycles: %18"PRIu64 + "\nRx enqueue unblock timestamp: %13"PRIu64, + evt_rsrc->rx_adptr.rx_adptr[i], + rx_adptr_stats.rx_poll_count, + rx_adptr_stats.rx_packets, + rx_adptr_stats.rx_enq_count, + rx_adptr_stats.rx_enq_retry, + rx_adptr_stats.rx_dropped, + rx_adptr_stats.rx_enq_start_ts, + rx_adptr_stats.rx_enq_block_cycles, + rx_adptr_stats.rx_enq_end_ts); + } + for (i = 0; i < evt_rsrc->tx_adptr.nb_tx_adptr; i++) { + ret = rte_event_eth_tx_adapter_stats_get( + evt_rsrc->tx_adptr.tx_adptr[i], + &tx_adptr_stats); + if (ret < 0) + continue; + printf("\nTx adapter[%d] statistics====================" + "\nNumber of transmit retries: %15"PRIu64 + "\nNumber of packets transmitted: %12"PRIu64 + "\nNumber of packets dropped: %16"PRIu64, + evt_rsrc->tx_adptr.tx_adptr[i], + tx_adptr_stats.tx_retry, + tx_adptr_stats.tx_packets, + tx_adptr_stats.tx_dropped); + } + } + printf("\nAggregate lcore statistics =========================" + "\nTotal packets sent: %23"PRIu64 + "\nTotal packets received: %19"PRIu64 + "\nTotal packets dropped: %20"PRIu64, + total_packets_tx, + total_packets_rx, + total_packets_dropped); + printf("\n====================================================\n"); +} + +static void +l2fwd_event_print_stats(struct l2fwd_resources *rsrc) +{ + uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0; + const uint64_t timer_period = rsrc->timer_period; + + while (!rsrc->force_quit) { + /* if timer is enabled */ + if (timer_period > 0) { + cur_tsc = rte_rdtsc(); + diff_tsc = cur_tsc - prev_tsc; + + /* advance the timer */ + timer_tsc += diff_tsc; + + /* if timer has reached its timeout */ + if (unlikely(timer_tsc >= timer_period)) { + print_stats(rsrc); + /* reset the timer */ + timer_tsc = 0; + } + prev_tsc = cur_tsc; + } + } +} + + +static void +signal_handler(int signum) +{ + struct l2fwd_resources *rsrc = l2fwd_get_rsrc(); + if (signum == SIGINT || signum == SIGTERM) { + printf("\n\nSignal %d received, preparing to exit...\n", + signum); + rsrc->force_quit = true; + } +} + +int +main(int argc, char **argv) +{ + struct l2fwd_resources *rsrc; + uint16_t nb_ports_available = 0; + uint32_t nb_ports_in_mask = 0; + uint16_t port_id, last_port; + uint32_t nb_mbufs; + uint16_t nb_ports; + int i, ret; + + /* init EAL */ + ret = rte_eal_init(argc, argv); + if (ret < 0) + rte_panic("Invalid EAL arguments\n"); + argc -= ret; + argv += ret; + + rsrc = l2fwd_get_rsrc(); + + signal(SIGINT, signal_handler); + signal(SIGTERM, signal_handler); + + /* parse application arguments (after the EAL ones) */ + ret = l2fwd_event_parse_args(argc, argv, rsrc); + if (ret < 0) + rte_panic("Invalid L2FWD arguments\n"); + + printf("MAC updating %s\n", rsrc->mac_updating ? "enabled" : + "disabled"); + + nb_ports = rte_eth_dev_count_avail(); + if (nb_ports == 0) + rte_panic("No Ethernet ports - bye\n"); + + /* check port mask to possible port mask */ + if (rsrc->enabled_port_mask & ~((1 << nb_ports) - 1)) + rte_panic("Invalid portmask; possible (0x%x)\n", + (1 << nb_ports) - 1); + + if (!rsrc->port_pairs) { + last_port = 0; + /* + * Each logical core is assigned a dedicated TX queue on each + * port. + */ + RTE_ETH_FOREACH_DEV(port_id) { + /* skip ports that are not enabled */ + if ((rsrc->enabled_port_mask & (1 << port_id)) == 0) + continue; + + if (nb_ports_in_mask % 2) { + rsrc->dst_ports[port_id] = last_port; + rsrc->dst_ports[last_port] = port_id; + } else { + last_port = port_id; + } + + nb_ports_in_mask++; + } + if (nb_ports_in_mask % 2) { + printf("Notice: odd number of ports in portmask.\n"); + rsrc->dst_ports[last_port] = last_port; + } + } else { + if (check_port_pair_config(rsrc) < 0) + rte_panic("Invalid port pair config\n"); + } + + nb_mbufs = RTE_MAX(nb_ports * (RTE_TEST_RX_DESC_DEFAULT + + RTE_TEST_TX_DESC_DEFAULT + + MAX_PKT_BURST + rte_lcore_count() * + MEMPOOL_CACHE_SIZE), 8192U); + + /* create the mbuf pool */ + rsrc->pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", + nb_mbufs, MEMPOOL_CACHE_SIZE, 0, + RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); + if (rsrc->pktmbuf_pool == NULL) + rte_panic("Cannot init mbuf pool\n"); + + nb_ports_available = l2fwd_event_init_ports(rsrc); + if (!nb_ports_available) + rte_panic("All available ports are disabled. Please set portmask.\n"); + + /* Configure eventdev parameters if required */ + if (rsrc->event_mode) + l2fwd_event_resource_setup(rsrc); + else + l2fwd_poll_resource_setup(rsrc); + + /* initialize port stats */ + memset(&rsrc->port_stats, 0, + sizeof(struct l2fwd_port_statistics)); + + /* All settings are done. Now enable eth devices */ + RTE_ETH_FOREACH_DEV(port_id) { + /* skip ports that are not enabled */ + if ((rsrc->enabled_port_mask & + (1 << port_id)) == 0) + continue; + + ret = rte_eth_dev_start(port_id); + if (ret < 0) + rte_panic("rte_eth_dev_start:err=%d, port=%u\n", ret, + port_id); + } + + if (rsrc->event_mode) + l2fwd_event_service_setup(rsrc); + + check_all_ports_link_status(rsrc, rsrc->enabled_port_mask); + + /* launch per-lcore init on every lcore */ + rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, rsrc, + SKIP_MASTER); + l2fwd_event_print_stats(rsrc); + if (rsrc->event_mode) { + struct l2fwd_event_resources *evt_rsrc = + rsrc->evt_rsrc; + for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++) + rte_event_eth_rx_adapter_stop( + evt_rsrc->rx_adptr.rx_adptr[i]); + for (i = 0; i < evt_rsrc->tx_adptr.nb_tx_adptr; i++) + rte_event_eth_tx_adapter_stop( + evt_rsrc->tx_adptr.tx_adptr[i]); + + RTE_ETH_FOREACH_DEV(port_id) { + if ((rsrc->enabled_port_mask & + (1 << port_id)) == 0) + continue; + rte_eth_dev_stop(port_id); + } + + rte_eal_mp_wait_lcore(); + RTE_ETH_FOREACH_DEV(port_id) { + if ((rsrc->enabled_port_mask & + (1 << port_id)) == 0) + continue; + rte_eth_dev_close(port_id); + } + + rte_event_dev_stop(evt_rsrc->event_d_id); + rte_event_dev_close(evt_rsrc->event_d_id); + + } else { + rte_eal_mp_wait_lcore(); + + RTE_ETH_FOREACH_DEV(port_id) { + if ((rsrc->enabled_port_mask & + (1 << port_id)) == 0) + continue; + printf("Closing port %d...", port_id); + rte_eth_dev_stop(port_id); + rte_eth_dev_close(port_id); + printf(" Done\n"); + } + } + printf("Bye...\n"); + + return 0; +} diff --git a/src/spdk/dpdk/examples/l2fwd-event/meson.build b/src/spdk/dpdk/examples/l2fwd-event/meson.build new file mode 100644 index 000000000..4a546eaf8 --- /dev/null +++ b/src/spdk/dpdk/examples/l2fwd-event/meson.build @@ -0,0 +1,19 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(C) 2019 Marvell International Ltd. +# + +# meson file, for building this example as part of a main DPDK build. +# +# To build this example as a standalone application with an already-installed +# DPDK instance, use 'make' + +allow_experimental_apis = true +deps += 'eventdev' +sources = files( + 'main.c', + 'l2fwd_poll.c', + 'l2fwd_common.c', + 'l2fwd_event.c', + 'l2fwd_event_internal_port.c', + 'l2fwd_event_generic.c' +) |