examples/l3fwd-graph: add graph-based l3fwd skeleton
Add graph based l3fwd application skeleton with cmdline parsing support inline with normal l3fwd. Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
This commit is contained in:
Nithin Dabilpuram
Thomas Monjalon
parent
da4b610415
commit
08bd1a1744
@ -1477,6 +1477,8 @@ M: Jerin Jacob <jerinj@marvell.com>
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M: Kiran Kumar K <kirankumark@marvell.com>
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F: lib/librte_graph/
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F: app/test/test_graph*
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M: Nithin Dabilpuram <ndabilpuram@marvell.com>
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F: examples/l3fwd-graph/
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Nodes - EXPERIMENTAL
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M: Nithin Dabilpuram <ndabilpuram@marvell.com>
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@ -51,6 +51,9 @@ DIRS-$(CONFIG_RTE_LIBRTE_ACL) += l3fwd-acl
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ifeq ($(CONFIG_RTE_LIBRTE_LPM)$(CONFIG_RTE_LIBRTE_HASH),yy)
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DIRS-$(CONFIG_RTE_LIBRTE_POWER) += l3fwd-power
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endif
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ifeq ($(CONFIG_RTE_LIBRTE_GRAPH),y)
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DIRS-y += l3fwd-graph
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endif
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DIRS-y += link_status_interrupt
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DIRS-y += multi_process
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DIRS-y += ntb
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58
examples/l3fwd-graph/Makefile
Normal file
58
examples/l3fwd-graph/Makefile
Normal file
@ -0,0 +1,58 @@
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# SPDX-License-Identifier: BSD-3-Clause
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# Copyright(C) 2020 Marvell International Ltd.
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# binary name
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APP = l3fwd-graph
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# all source are stored in SRCS-y
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SRCS-y := main.c
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# Build using pkg-config variables if possible
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ifeq ($(shell pkg-config --exists libdpdk && echo 0),0)
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all: shared
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.PHONY: shared static
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shared: build/$(APP)-shared
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ln -sf $(APP)-shared build/$(APP)
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static: build/$(APP)-static
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ln -sf $(APP)-static build/$(APP)
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PKGCONF=pkg-config --define-prefix
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PC_FILE := $(shell $(PKGCONF) --path libdpdk)
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CFLAGS += -O3 $(shell $(PKGCONF) --cflags libdpdk) -DALLOW_EXPERIMENTAL_API
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LDFLAGS_SHARED = $(shell $(PKGCONF) --libs libdpdk)
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LDFLAGS_STATIC = -Wl,-Bstatic $(shell $(PKGCONF) --static --libs libdpdk)
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build/$(APP)-shared: $(SRCS-y) Makefile $(PC_FILE) | build
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$(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_SHARED)
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build/$(APP)-static: $(SRCS-y) Makefile $(PC_FILE) | build
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$(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_STATIC)
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build:
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@mkdir -p $@
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.PHONY: clean
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clean:
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rm -f build/$(APP) build/$(APP)-static build/$(APP)-shared
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test -d build && rmdir -p build || true
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else # Build using legacy build system
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ifeq ($(RTE_SDK),)
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$(error "Please define RTE_SDK environment variable")
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endif
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# Default target, detect a build directory, by looking for a path with a .config
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RTE_TARGET ?= $(notdir $(abspath $(dir $(firstword $(wildcard $(RTE_SDK)/*/.config)))))
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include $(RTE_SDK)/mk/rte.vars.mk
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CFLAGS += -DALLOW_EXPERIMENTAL_API
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CFLAGS += -I$(SRCDIR)
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CFLAGS += -O3 $(USER_FLAGS)
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CFLAGS += $(WERROR_FLAGS)
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include $(RTE_SDK)/mk/rte.extapp.mk
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endif
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534
examples/l3fwd-graph/main.c
Normal file
534
examples/l3fwd-graph/main.c
Normal file
@ -0,0 +1,534 @@
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/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(C) 2020 Marvell International Ltd.
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*/
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#include <arpa/inet.h>
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#include <errno.h>
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#include <getopt.h>
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#include <inttypes.h>
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#include <signal.h>
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#include <stdarg.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <sys/queue.h>
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#include <unistd.h>
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#include <rte_branch_prediction.h>
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#include <rte_common.h>
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#include <rte_eal.h>
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#include <rte_ethdev.h>
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#include <rte_log.h>
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#include <rte_mempool.h>
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#include <rte_per_lcore.h>
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#include <rte_string_fns.h>
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#include <rte_vect.h>
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#include <cmdline_parse.h>
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#include <cmdline_parse_etheraddr.h>
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/* Log type */
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#define RTE_LOGTYPE_L3FWD_GRAPH RTE_LOGTYPE_USER1
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/*
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* Configurable number of RX/TX ring descriptors
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*/
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#define RTE_TEST_RX_DESC_DEFAULT 1024
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#define RTE_TEST_TX_DESC_DEFAULT 1024
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#define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
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#define MAX_RX_QUEUE_PER_PORT 128
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#define MAX_RX_QUEUE_PER_LCORE 16
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#define MAX_LCORE_PARAMS 1024
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#define NB_SOCKETS 8
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/**< Ports set in promiscuous mode off by default. */
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static int promiscuous_on;
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static int numa_on = 1; /**< NUMA is enabled by default. */
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static int per_port_pool; /**< Use separate buffer pools per port; disabled */
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/**< by default */
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static volatile bool force_quit;
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/* Ethernet addresses of ports */
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static uint64_t dest_eth_addr[RTE_MAX_ETHPORTS];
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xmm_t val_eth[RTE_MAX_ETHPORTS];
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/* Mask of enabled ports */
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static uint32_t enabled_port_mask;
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struct lcore_rx_queue {
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uint16_t port_id;
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uint8_t queue_id;
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};
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/* Lcore conf */
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struct lcore_conf {
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uint16_t n_rx_queue;
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struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
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} __rte_cache_aligned;
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static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
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struct lcore_params {
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uint16_t port_id;
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uint8_t queue_id;
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uint8_t lcore_id;
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} __rte_cache_aligned;
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static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
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static struct lcore_params lcore_params_array_default[] = {
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{0, 0, 2}, {0, 1, 2}, {0, 2, 2}, {1, 0, 2}, {1, 1, 2},
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{1, 2, 2}, {2, 0, 2}, {3, 0, 3}, {3, 1, 3},
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};
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static struct lcore_params *lcore_params = lcore_params_array_default;
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static uint16_t nb_lcore_params = RTE_DIM(lcore_params_array_default);
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static struct rte_eth_conf port_conf = {
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.rxmode = {
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.mq_mode = ETH_MQ_RX_RSS,
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.max_rx_pkt_len = RTE_ETHER_MAX_LEN,
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.split_hdr_size = 0,
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},
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.rx_adv_conf = {
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.rss_conf = {
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.rss_key = NULL,
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.rss_hf = ETH_RSS_IP,
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},
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},
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.txmode = {
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.mq_mode = ETH_MQ_TX_NONE,
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},
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};
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static int
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check_lcore_params(void)
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{
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uint8_t queue, lcore;
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int socketid;
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uint16_t i;
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for (i = 0; i < nb_lcore_params; ++i) {
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queue = lcore_params[i].queue_id;
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if (queue >= MAX_RX_QUEUE_PER_PORT) {
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printf("Invalid queue number: %hhu\n", queue);
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return -1;
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}
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lcore = lcore_params[i].lcore_id;
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if (!rte_lcore_is_enabled(lcore)) {
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printf("Error: lcore %hhu is not enabled in lcore mask\n",
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lcore);
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return -1;
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}
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if (lcore == rte_get_master_lcore()) {
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printf("Error: lcore %u is master lcore\n", lcore);
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return -1;
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}
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socketid = rte_lcore_to_socket_id(lcore);
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if ((socketid != 0) && (numa_on == 0)) {
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printf("Warning: lcore %hhu is on socket %d with numa off\n",
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lcore, socketid);
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}
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}
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return 0;
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}
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static int
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check_port_config(void)
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{
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uint16_t portid;
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uint16_t i;
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for (i = 0; i < nb_lcore_params; ++i) {
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portid = lcore_params[i].port_id;
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if ((enabled_port_mask & (1 << portid)) == 0) {
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printf("Port %u is not enabled in port mask\n", portid);
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return -1;
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}
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if (!rte_eth_dev_is_valid_port(portid)) {
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printf("Port %u is not present on the board\n", portid);
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return -1;
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}
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}
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return 0;
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}
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static int
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init_lcore_rx_queues(void)
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{
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uint16_t i, nb_rx_queue;
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uint8_t lcore;
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for (i = 0; i < nb_lcore_params; ++i) {
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lcore = lcore_params[i].lcore_id;
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nb_rx_queue = lcore_conf[lcore].n_rx_queue;
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if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
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printf("Error: too many queues (%u) for lcore: %u\n",
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(unsigned int)nb_rx_queue + 1,
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(unsigned int)lcore);
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return -1;
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}
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lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
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lcore_params[i].port_id;
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lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
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lcore_params[i].queue_id;
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lcore_conf[lcore].n_rx_queue++;
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}
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return 0;
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}
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/* Display usage */
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static void
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print_usage(const char *prgname)
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{
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fprintf(stderr,
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"%s [EAL options] --"
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" -p PORTMASK"
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" [-P]"
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" --config (port,queue,lcore)[,(port,queue,lcore)]"
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" [--eth-dest=X,MM:MM:MM:MM:MM:MM]"
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" [--enable-jumbo [--max-pkt-len PKTLEN]]"
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" [--no-numa]"
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" [--per-port-pool]\n\n"
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" -p PORTMASK: Hexadecimal bitmask of ports to configure\n"
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" -P : Enable promiscuous mode\n"
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" --config (port,queue,lcore): Rx queue configuration\n"
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" --eth-dest=X,MM:MM:MM:MM:MM:MM: Ethernet destination for "
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"port X\n"
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" --enable-jumbo: Enable jumbo frames\n"
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" --max-pkt-len: Under the premise of enabling jumbo,\n"
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" maximum packet length in decimal (64-9600)\n"
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" --no-numa: Disable numa awareness\n"
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" --per-port-pool: Use separate buffer pool per port\n\n",
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prgname);
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}
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static int
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parse_max_pkt_len(const char *pktlen)
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{
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unsigned long len;
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char *end = NULL;
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/* Parse decimal string */
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len = strtoul(pktlen, &end, 10);
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if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
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return -1;
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if (len == 0)
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return -1;
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return len;
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}
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static int
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parse_portmask(const char *portmask)
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{
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char *end = NULL;
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unsigned long pm;
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/* Parse hexadecimal string */
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pm = strtoul(portmask, &end, 16);
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if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
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return -1;
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if (pm == 0)
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return -1;
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return pm;
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}
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static int
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parse_config(const char *q_arg)
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{
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enum fieldnames { FLD_PORT = 0, FLD_QUEUE, FLD_LCORE, _NUM_FLD };
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unsigned long int_fld[_NUM_FLD];
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const char *p, *p0 = q_arg;
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char *str_fld[_NUM_FLD];
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uint32_t size;
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char s[256];
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char *end;
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int i;
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nb_lcore_params = 0;
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while ((p = strchr(p0, '(')) != NULL) {
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++p;
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p0 = strchr(p, ')');
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if (p0 == NULL)
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return -1;
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size = p0 - p;
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if (size >= sizeof(s))
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return -1;
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memcpy(s, p, size);
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s[size] = '\0';
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if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
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_NUM_FLD)
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return -1;
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for (i = 0; i < _NUM_FLD; i++) {
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errno = 0;
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int_fld[i] = strtoul(str_fld[i], &end, 0);
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if (errno != 0 || end == str_fld[i])
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return -1;
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}
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if (nb_lcore_params >= MAX_LCORE_PARAMS) {
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printf("Exceeded max number of lcore params: %hu\n",
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nb_lcore_params);
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return -1;
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}
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if (int_fld[FLD_PORT] >= RTE_MAX_ETHPORTS ||
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int_fld[FLD_LCORE] >= RTE_MAX_LCORE) {
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printf("Invalid port/lcore id\n");
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return -1;
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}
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lcore_params_array[nb_lcore_params].port_id =
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(uint8_t)int_fld[FLD_PORT];
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lcore_params_array[nb_lcore_params].queue_id =
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(uint8_t)int_fld[FLD_QUEUE];
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lcore_params_array[nb_lcore_params].lcore_id =
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(uint8_t)int_fld[FLD_LCORE];
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++nb_lcore_params;
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}
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lcore_params = lcore_params_array;
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return 0;
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}
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static void
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parse_eth_dest(const char *optarg)
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{
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uint8_t c, *dest, peer_addr[6];
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uint16_t portid;
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char *port_end;
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errno = 0;
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portid = strtoul(optarg, &port_end, 10);
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if (errno != 0 || port_end == optarg || *port_end++ != ',')
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rte_exit(EXIT_FAILURE, "Invalid eth-dest: %s", optarg);
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if (portid >= RTE_MAX_ETHPORTS)
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rte_exit(EXIT_FAILURE,
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"eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n", portid,
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RTE_MAX_ETHPORTS);
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if (cmdline_parse_etheraddr(NULL, port_end, &peer_addr,
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sizeof(peer_addr)) < 0)
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rte_exit(EXIT_FAILURE, "Invalid ethernet address: %s\n",
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port_end);
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dest = (uint8_t *)&dest_eth_addr[portid];
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for (c = 0; c < 6; c++)
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dest[c] = peer_addr[c];
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*(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
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}
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#define MAX_JUMBO_PKT_LEN 9600
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#define MEMPOOL_CACHE_SIZE 256
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static const char short_options[] = "p:" /* portmask */
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"P" /* promiscuous */
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;
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#define CMD_LINE_OPT_CONFIG "config"
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#define CMD_LINE_OPT_ETH_DEST "eth-dest"
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#define CMD_LINE_OPT_NO_NUMA "no-numa"
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#define CMD_LINE_OPT_ENABLE_JUMBO "enable-jumbo"
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#define CMD_LINE_OPT_PER_PORT_POOL "per-port-pool"
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enum {
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/* Long options mapped to a short option */
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/* First long only option value must be >= 256, so that we won't
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* conflict with short options
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*/
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CMD_LINE_OPT_MIN_NUM = 256,
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CMD_LINE_OPT_CONFIG_NUM,
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CMD_LINE_OPT_ETH_DEST_NUM,
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CMD_LINE_OPT_NO_NUMA_NUM,
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CMD_LINE_OPT_ENABLE_JUMBO_NUM,
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CMD_LINE_OPT_PARSE_PER_PORT_POOL,
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};
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static const struct option lgopts[] = {
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{CMD_LINE_OPT_CONFIG, 1, 0, CMD_LINE_OPT_CONFIG_NUM},
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{CMD_LINE_OPT_ETH_DEST, 1, 0, CMD_LINE_OPT_ETH_DEST_NUM},
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{CMD_LINE_OPT_NO_NUMA, 0, 0, CMD_LINE_OPT_NO_NUMA_NUM},
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{CMD_LINE_OPT_ENABLE_JUMBO, 0, 0, CMD_LINE_OPT_ENABLE_JUMBO_NUM},
|
||||
{CMD_LINE_OPT_PER_PORT_POOL, 0, 0, CMD_LINE_OPT_PARSE_PER_PORT_POOL},
|
||||
{NULL, 0, 0, 0},
|
||||
};
|
||||
|
||||
/*
|
||||
* This expression is used to calculate the number of mbufs needed
|
||||
* depending on user input, taking into account memory for rx and
|
||||
* tx hardware rings, cache per lcore and mtable per port per lcore.
|
||||
* RTE_MAX is used to ensure that NB_MBUF never goes below a minimum
|
||||
* value of 8192
|
||||
*/
|
||||
#define NB_MBUF(nports) \
|
||||
RTE_MAX((nports * nb_rx_queue * nb_rxd + \
|
||||
nports * nb_lcores * RTE_GRAPH_BURST_SIZE + \
|
||||
nports * n_tx_queue * nb_txd + \
|
||||
nb_lcores * MEMPOOL_CACHE_SIZE), 8192u)
|
||||
|
||||
/* Parse the argument given in the command line of the application */
|
||||
static int
|
||||
parse_args(int argc, char **argv)
|
||||
{
|
||||
char *prgname = argv[0];
|
||||
int option_index;
|
||||
char **argvopt;
|
||||
int opt, ret;
|
||||
|
||||
argvopt = argv;
|
||||
|
||||
/* Error or normal output strings. */
|
||||
while ((opt = getopt_long(argc, argvopt, short_options, lgopts,
|
||||
&option_index)) != EOF) {
|
||||
|
||||
switch (opt) {
|
||||
/* Portmask */
|
||||
case 'p':
|
||||
enabled_port_mask = parse_portmask(optarg);
|
||||
if (enabled_port_mask == 0) {
|
||||
fprintf(stderr, "Invalid portmask\n");
|
||||
print_usage(prgname);
|
||||
return -1;
|
||||
}
|
||||
break;
|
||||
|
||||
case 'P':
|
||||
promiscuous_on = 1;
|
||||
break;
|
||||
|
||||
/* Long options */
|
||||
case CMD_LINE_OPT_CONFIG_NUM:
|
||||
ret = parse_config(optarg);
|
||||
if (ret) {
|
||||
fprintf(stderr, "Invalid config\n");
|
||||
print_usage(prgname);
|
||||
return -1;
|
||||
}
|
||||
break;
|
||||
|
||||
case CMD_LINE_OPT_ETH_DEST_NUM:
|
||||
parse_eth_dest(optarg);
|
||||
break;
|
||||
|
||||
case CMD_LINE_OPT_NO_NUMA_NUM:
|
||||
numa_on = 0;
|
||||
break;
|
||||
|
||||
case CMD_LINE_OPT_ENABLE_JUMBO_NUM: {
|
||||
const struct option lenopts = {"max-pkt-len",
|
||||
required_argument, 0, 0};
|
||||
|
||||
port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
|
||||
port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
|
||||
|
||||
/*
|
||||
* if no max-pkt-len set, use the default
|
||||
* value RTE_ETHER_MAX_LEN.
|
||||
*/
|
||||
if (getopt_long(argc, argvopt, "", &lenopts,
|
||||
&option_index) == 0) {
|
||||
ret = parse_max_pkt_len(optarg);
|
||||
if (ret < 64 || ret > MAX_JUMBO_PKT_LEN) {
|
||||
fprintf(stderr, "Invalid maximum "
|
||||
"packet length\n");
|
||||
print_usage(prgname);
|
||||
return -1;
|
||||
}
|
||||
port_conf.rxmode.max_rx_pkt_len = ret;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
case CMD_LINE_OPT_PARSE_PER_PORT_POOL:
|
||||
printf("Per port buffer pool is enabled\n");
|
||||
per_port_pool = 1;
|
||||
break;
|
||||
|
||||
default:
|
||||
print_usage(prgname);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
if (optind >= 0)
|
||||
argv[optind - 1] = prgname;
|
||||
ret = optind - 1;
|
||||
optind = 1; /* Reset getopt lib */
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void
|
||||
signal_handler(int signum)
|
||||
{
|
||||
if (signum == SIGINT || signum == SIGTERM) {
|
||||
printf("\n\nSignal %d received, preparing to exit...\n",
|
||||
signum);
|
||||
force_quit = true;
|
||||
}
|
||||
}
|
||||
|
||||
int
|
||||
main(int argc, char **argv)
|
||||
{
|
||||
uint16_t portid;
|
||||
int ret;
|
||||
|
||||
/* Init EAL */
|
||||
ret = rte_eal_init(argc, argv);
|
||||
if (ret < 0)
|
||||
rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
|
||||
argc -= ret;
|
||||
argv += ret;
|
||||
|
||||
force_quit = false;
|
||||
signal(SIGINT, signal_handler);
|
||||
signal(SIGTERM, signal_handler);
|
||||
|
||||
/* Pre-init dst MACs for all ports to 02:00:00:00:00:xx */
|
||||
for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
|
||||
dest_eth_addr[portid] =
|
||||
RTE_ETHER_LOCAL_ADMIN_ADDR + ((uint64_t)portid << 40);
|
||||
*(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
|
||||
}
|
||||
|
||||
/* Parse application arguments (after the EAL ones) */
|
||||
ret = parse_args(argc, argv);
|
||||
if (ret < 0)
|
||||
rte_exit(EXIT_FAILURE, "Invalid L3FWD_GRAPH parameters\n");
|
||||
|
||||
if (check_lcore_params() < 0)
|
||||
rte_exit(EXIT_FAILURE, "check_lcore_params() failed\n");
|
||||
|
||||
ret = init_lcore_rx_queues();
|
||||
if (ret < 0)
|
||||
rte_exit(EXIT_FAILURE, "init_lcore_rx_queues() failed\n");
|
||||
|
||||
if (check_port_config() < 0)
|
||||
rte_exit(EXIT_FAILURE, "check_port_config() failed\n");
|
||||
|
||||
printf("Bye...\n");
|
||||
|
||||
return ret;
|
||||
}
|
||||
13
examples/l3fwd-graph/meson.build
Normal file
13
examples/l3fwd-graph/meson.build
Normal file
@ -0,0 +1,13 @@
|
||||
# SPDX-License-Identifier: BSD-3-Clause
|
||||
# Copyright(C) 2020 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'
|
||||
|
||||
deps += ['graph', 'eal', 'lpm', 'ethdev', 'node' ]
|
||||
sources = files(
|
||||
'main.c'
|
||||
)
|
||||
allow_experimental_apis = true
|
||||
@ -2,8 +2,10 @@
|
||||
# Copyright(c) 2017-2019 Intel Corporation
|
||||
|
||||
driver_libs = []
|
||||
node_libs = []
|
||||
if get_option('default_library') == 'static'
|
||||
driver_libs = dpdk_drivers
|
||||
node_libs = dpdk_graph_nodes
|
||||
endif
|
||||
|
||||
execinfo = cc.find_library('execinfo', required: false)
|
||||
@ -23,7 +25,7 @@ all_examples = [
|
||||
'l2fwd', 'l2fwd-cat', 'l2fwd-event',
|
||||
'l2fwd-crypto', 'l2fwd-jobstats',
|
||||
'l2fwd-keepalive', 'l3fwd',
|
||||
'l3fwd-acl', 'l3fwd-power',
|
||||
'l3fwd-acl', 'l3fwd-power', 'l3fwd-graph',
|
||||
'link_status_interrupt',
|
||||
'multi_process/client_server_mp/mp_client',
|
||||
'multi_process/client_server_mp/mp_server',
|
||||
@ -99,7 +101,7 @@ foreach example: examples
|
||||
endif
|
||||
executable('dpdk-' + name, sources,
|
||||
include_directories: includes,
|
||||
link_whole: driver_libs,
|
||||
link_whole: driver_libs + node_libs,
|
||||
link_args: dpdk_extra_ldflags,
|
||||
c_args: cflags,
|
||||
dependencies: dep_objs)
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user