examples/ioat: add new sample app for ioat driver
A new sample app demonstrating use of driver for CBDMA. The app receives packets, performs software or hardware copy, changes packets' MAC addresses (if enabled) and forwards them. The change covers ports initialization, closing connection and argument parsing. Signed-off-by: Pawel Modrak <pawelx.modrak@intel.com> Signed-off-by: Marcin Baran <marcinx.baran@intel.com> Acked-by: Bruce Richardson <bruce.richardson@intel.com>
This commit is contained in:
Pawel Modrak
Thomas Monjalon
parent
7f7d44064c
commit
c8e6ceeceb
@ -1143,6 +1143,7 @@ IOAT Rawdev
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M: Bruce Richardson <bruce.richardson@intel.com>
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F: drivers/raw/ioat/
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F: doc/guides/rawdevs/ioat.rst
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F: examples/ioat/
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NXP DPAA2 QDMA
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M: Nipun Gupta <nipun.gupta@nxp.com>
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@ -22,6 +22,9 @@ DIRS-$(CONFIG_RTE_LIBRTE_CRYPTODEV) += fips_validation
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DIRS-$(CONFIG_RTE_LIBRTE_FLOW_CLASSIFY) += flow_classify
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DIRS-y += flow_filtering
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DIRS-y += helloworld
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ifeq ($(CONFIG_RTE_LIBRTE_PMD_IOAT_RAWDEV),y)
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DIRS-$(CONFIG_RTE_LIBRTE_PMD_IOAT_RAWDEV) += ioat
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endif
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DIRS-$(CONFIG_RTE_LIBRTE_PIPELINE) += ip_pipeline
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ifeq ($(CONFIG_RTE_LIBRTE_LPM),y)
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DIRS-$(CONFIG_RTE_IP_FRAG) += ip_reassembly
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54
examples/ioat/Makefile
Normal file
54
examples/ioat/Makefile
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@ -0,0 +1,54 @@
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# SPDX-License-Identifier: BSD-3-Clause
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# Copyright(c) 2019 Intel Corporation
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# binary name
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APP = ioatfwd
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# all source are stored in SRCS-y
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SRCS-y := ioatfwd.c
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# Build using pkg-config variables if possible
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ifeq ($(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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PC_FILE := $(shell pkg-config --path libdpdk)
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CFLAGS += -O3 $(shell pkg-config --cflags libdpdk)
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LDFLAGS_SHARED = $(shell pkg-config --libs libdpdk)
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LDFLAGS_STATIC = -Wl,-Bstatic $(shell pkg-config --static --libs libdpdk)
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build/$(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 += -O3
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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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439
examples/ioat/ioatfwd.c
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439
examples/ioat/ioatfwd.c
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@ -0,0 +1,439 @@
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/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2019 Intel Corporation
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*/
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#include <stdint.h>
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#include <getopt.h>
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#include <signal.h>
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#include <stdbool.h>
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#include <unistd.h>
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#include <rte_malloc.h>
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#include <rte_ethdev.h>
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#include <rte_rawdev.h>
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#include <rte_ioat_rawdev.h>
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/* size of ring used for software copying between rx and tx. */
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#define RTE_LOGTYPE_IOAT RTE_LOGTYPE_USER1
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#define MAX_PKT_BURST 32
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#define MEMPOOL_CACHE_SIZE 512
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#define MIN_POOL_SIZE 65536U
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#define CMD_LINE_OPT_MAC_UPDATING "mac-updating"
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#define CMD_LINE_OPT_NO_MAC_UPDATING "no-mac-updating"
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#define CMD_LINE_OPT_PORTMASK "portmask"
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#define CMD_LINE_OPT_NB_QUEUE "nb-queue"
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#define CMD_LINE_OPT_COPY_TYPE "copy-type"
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#define CMD_LINE_OPT_RING_SIZE "ring-size"
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/* configurable number of RX/TX ring descriptors */
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#define RX_DEFAULT_RINGSIZE 1024
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#define TX_DEFAULT_RINGSIZE 1024
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/* max number of RX queues per port */
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#define MAX_RX_QUEUES_COUNT 8
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struct rxtx_port_config {
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/* common config */
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uint16_t rxtx_port;
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uint16_t nb_queues;
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/* for software copy mode */
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struct rte_ring *rx_to_tx_ring;
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/* for IOAT rawdev copy mode */
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uint16_t ioat_ids[MAX_RX_QUEUES_COUNT];
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};
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struct rxtx_transmission_config {
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struct rxtx_port_config ports[RTE_MAX_ETHPORTS];
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uint16_t nb_ports;
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uint16_t nb_lcores;
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};
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typedef enum copy_mode_t {
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#define COPY_MODE_SW "sw"
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COPY_MODE_SW_NUM,
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#define COPY_MODE_IOAT "hw"
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COPY_MODE_IOAT_NUM,
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COPY_MODE_INVALID_NUM,
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COPY_MODE_SIZE_NUM = COPY_MODE_INVALID_NUM
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} copy_mode_t;
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/* mask of enabled ports */
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static uint32_t ioat_enabled_port_mask;
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/* number of RX queues per port */
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static uint16_t nb_queues = 1;
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/* MAC updating enabled by default. */
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static int mac_updating = 1;
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/* hardare copy mode enabled by default. */
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static copy_mode_t copy_mode = COPY_MODE_IOAT_NUM;
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/* size of IOAT rawdev ring for hardware copy mode or
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* rte_ring for software copy mode
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*/
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static unsigned short ring_size = 2048;
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/* global transmission config */
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struct rxtx_transmission_config cfg;
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/* configurable number of RX/TX ring descriptors */
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static uint16_t nb_rxd = RX_DEFAULT_RINGSIZE;
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static uint16_t nb_txd = TX_DEFAULT_RINGSIZE;
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static volatile bool force_quit;
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/* ethernet addresses of ports */
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static struct rte_ether_addr ioat_ports_eth_addr[RTE_MAX_ETHPORTS];
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static struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
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struct rte_mempool *ioat_pktmbuf_pool;
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/* Display usage */
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static void
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ioat_usage(const char *prgname)
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{
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printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
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" -p --portmask: hexadecimal bitmask of ports to configure\n"
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" -q NQ: number of RX queues per port (default is 1)\n"
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" --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n"
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" When enabled:\n"
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" - The source MAC address is replaced by the TX port MAC address\n"
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" - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n"
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" -c --copy-type CT: type of copy: sw|hw\n"
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" -s --ring-size RS: size of IOAT rawdev ring for hardware copy mode or rte_ring for software copy mode\n",
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prgname);
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}
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static int
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ioat_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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return pm;
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}
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static copy_mode_t
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ioat_parse_copy_mode(const char *copy_mode)
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{
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if (strcmp(copy_mode, COPY_MODE_SW) == 0)
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return COPY_MODE_SW_NUM;
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else if (strcmp(copy_mode, COPY_MODE_IOAT) == 0)
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return COPY_MODE_IOAT_NUM;
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return COPY_MODE_INVALID_NUM;
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}
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/* Parse the argument given in the command line of the application */
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static int
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ioat_parse_args(int argc, char **argv, unsigned int nb_ports)
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{
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static const char short_options[] =
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"p:" /* portmask */
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"q:" /* number of RX queues per port */
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"c:" /* copy type (sw|hw) */
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"s:" /* ring size */
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;
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static const struct option lgopts[] = {
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{CMD_LINE_OPT_MAC_UPDATING, no_argument, &mac_updating, 1},
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{CMD_LINE_OPT_NO_MAC_UPDATING, no_argument, &mac_updating, 0},
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{CMD_LINE_OPT_PORTMASK, required_argument, NULL, 'p'},
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{CMD_LINE_OPT_NB_QUEUE, required_argument, NULL, 'q'},
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{CMD_LINE_OPT_COPY_TYPE, required_argument, NULL, 'c'},
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{CMD_LINE_OPT_RING_SIZE, required_argument, NULL, 's'},
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{NULL, 0, 0, 0}
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};
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const unsigned int default_port_mask = (1 << nb_ports) - 1;
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int opt, ret;
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char **argvopt;
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int option_index;
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char *prgname = argv[0];
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ioat_enabled_port_mask = default_port_mask;
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argvopt = argv;
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while ((opt = getopt_long(argc, argvopt, short_options,
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lgopts, &option_index)) != EOF) {
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switch (opt) {
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/* portmask */
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case 'p':
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ioat_enabled_port_mask = ioat_parse_portmask(optarg);
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if (ioat_enabled_port_mask & ~default_port_mask ||
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ioat_enabled_port_mask <= 0) {
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printf("Invalid portmask, %s, suggest 0x%x\n",
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optarg, default_port_mask);
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ioat_usage(prgname);
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return -1;
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}
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break;
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case 'q':
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nb_queues = atoi(optarg);
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if (nb_queues == 0 || nb_queues > MAX_RX_QUEUES_COUNT) {
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printf("Invalid RX queues number %s. Max %u\n",
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optarg, MAX_RX_QUEUES_COUNT);
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ioat_usage(prgname);
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return -1;
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}
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break;
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case 'c':
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copy_mode = ioat_parse_copy_mode(optarg);
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if (copy_mode == COPY_MODE_INVALID_NUM) {
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printf("Invalid copy type. Use: sw, hw\n");
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ioat_usage(prgname);
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return -1;
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}
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break;
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case 's':
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ring_size = atoi(optarg);
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if (ring_size == 0) {
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printf("Invalid ring size, %s.\n", optarg);
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ioat_usage(prgname);
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return -1;
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}
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break;
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/* long options */
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case 0:
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break;
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default:
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ioat_usage(prgname);
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return -1;
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}
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}
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printf("MAC updating %s\n", mac_updating ? "enabled" : "disabled");
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if (optind >= 0)
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argv[optind - 1] = prgname;
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ret = optind - 1;
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optind = 1; /* reset getopt lib */
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return ret;
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}
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/* check link status, return true if at least one port is up */
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static int
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check_link_status(uint32_t port_mask)
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{
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uint16_t portid;
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struct rte_eth_link link;
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int retval = 0;
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printf("\nChecking link status\n");
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RTE_ETH_FOREACH_DEV(portid) {
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if ((port_mask & (1 << portid)) == 0)
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continue;
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memset(&link, 0, sizeof(link));
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rte_eth_link_get(portid, &link);
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/* Print link status */
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if (link.link_status) {
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printf(
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"Port %d Link Up. Speed %u Mbps - %s\n",
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portid, link.link_speed,
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(link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
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("full-duplex") : ("half-duplex\n"));
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retval = 1;
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} else
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printf("Port %d Link Down\n", portid);
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}
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return retval;
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}
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/*
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* Initializes a given port using global settings and with the RX buffers
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* coming from the mbuf_pool passed as a parameter.
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*/
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static inline void
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port_init(uint16_t portid, struct rte_mempool *mbuf_pool, uint16_t nb_queues)
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{
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/* configuring port to use RSS for multiple RX queues */
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static const 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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},
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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_PROTO_MASK,
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}
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}
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};
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struct rte_eth_rxconf rxq_conf;
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struct rte_eth_txconf txq_conf;
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struct rte_eth_conf local_port_conf = port_conf;
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struct rte_eth_dev_info dev_info;
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int ret, i;
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/* Skip ports that are not enabled */
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if ((ioat_enabled_port_mask & (1 << portid)) == 0) {
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printf("Skipping disabled port %u\n", portid);
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return;
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}
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/* Init port */
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printf("Initializing port %u... ", portid);
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fflush(stdout);
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rte_eth_dev_info_get(portid, &dev_info);
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local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
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dev_info.flow_type_rss_offloads;
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if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
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local_port_conf.txmode.offloads |=
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DEV_TX_OFFLOAD_MBUF_FAST_FREE;
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ret = rte_eth_dev_configure(portid, nb_queues, 1, &local_port_conf);
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if (ret < 0)
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rte_exit(EXIT_FAILURE, "Cannot configure device:"
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" err=%d, port=%u\n", ret, portid);
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ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
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&nb_txd);
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if (ret < 0)
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rte_exit(EXIT_FAILURE,
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"Cannot adjust number of descriptors: err=%d, port=%u\n",
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ret, portid);
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rte_eth_macaddr_get(portid, &ioat_ports_eth_addr[portid]);
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/* Init RX queues */
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rxq_conf = dev_info.default_rxconf;
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rxq_conf.offloads = local_port_conf.rxmode.offloads;
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for (i = 0; i < nb_queues; i++) {
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ret = rte_eth_rx_queue_setup(portid, i, nb_rxd,
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rte_eth_dev_socket_id(portid), &rxq_conf,
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mbuf_pool);
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if (ret < 0)
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rte_exit(EXIT_FAILURE,
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"rte_eth_rx_queue_setup:err=%d,port=%u, queue_id=%u\n",
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ret, portid, i);
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}
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/* Init one TX queue on each port */
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txq_conf = dev_info.default_txconf;
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txq_conf.offloads = local_port_conf.txmode.offloads;
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ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
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rte_eth_dev_socket_id(portid),
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&txq_conf);
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if (ret < 0)
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rte_exit(EXIT_FAILURE,
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"rte_eth_tx_queue_setup:err=%d,port=%u\n",
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ret, portid);
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/* Initialize TX buffers */
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tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
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RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
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rte_eth_dev_socket_id(portid));
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if (tx_buffer[portid] == NULL)
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rte_exit(EXIT_FAILURE,
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"Cannot allocate buffer for tx on port %u\n",
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portid);
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rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST);
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/* Start device */
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ret = rte_eth_dev_start(portid);
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if (ret < 0)
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rte_exit(EXIT_FAILURE,
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"rte_eth_dev_start:err=%d, port=%u\n",
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ret, portid);
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rte_eth_promiscuous_enable(portid);
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printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
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portid,
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ioat_ports_eth_addr[portid].addr_bytes[0],
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ioat_ports_eth_addr[portid].addr_bytes[1],
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ioat_ports_eth_addr[portid].addr_bytes[2],
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ioat_ports_eth_addr[portid].addr_bytes[3],
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ioat_ports_eth_addr[portid].addr_bytes[4],
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ioat_ports_eth_addr[portid].addr_bytes[5]);
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||||
|
||||
cfg.ports[cfg.nb_ports].rxtx_port = portid;
|
||||
cfg.ports[cfg.nb_ports++].nb_queues = nb_queues;
|
||||
}
|
||||
|
||||
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)
|
||||
{
|
||||
int ret;
|
||||
uint16_t nb_ports, portid;
|
||||
uint32_t i;
|
||||
unsigned int nb_mbufs;
|
||||
|
||||
/* Init EAL */
|
||||
ret = rte_eal_init(argc, argv);
|
||||
if (ret < 0)
|
||||
rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
|
||||
argc -= ret;
|
||||
argv += ret;
|
||||
|
||||
force_quit = false;
|
||||
signal(SIGINT, signal_handler);
|
||||
signal(SIGTERM, signal_handler);
|
||||
|
||||
nb_ports = rte_eth_dev_count_avail();
|
||||
if (nb_ports == 0)
|
||||
rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n");
|
||||
|
||||
/* Parse application arguments (after the EAL ones) */
|
||||
ret = ioat_parse_args(argc, argv, nb_ports);
|
||||
if (ret < 0)
|
||||
rte_exit(EXIT_FAILURE, "Invalid IOAT arguments\n");
|
||||
|
||||
nb_mbufs = RTE_MAX(nb_ports * (nb_queues * (nb_rxd + nb_txd +
|
||||
4 * MAX_PKT_BURST) + rte_lcore_count() * MEMPOOL_CACHE_SIZE),
|
||||
MIN_POOL_SIZE);
|
||||
|
||||
/* Create the mbuf pool */
|
||||
ioat_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", nb_mbufs,
|
||||
MEMPOOL_CACHE_SIZE, 0, RTE_MBUF_DEFAULT_BUF_SIZE,
|
||||
rte_socket_id());
|
||||
if (ioat_pktmbuf_pool == NULL)
|
||||
rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
|
||||
|
||||
/* Initialise each port */
|
||||
cfg.nb_ports = 0;
|
||||
RTE_ETH_FOREACH_DEV(portid)
|
||||
port_init(portid, ioat_pktmbuf_pool, nb_queues);
|
||||
|
||||
while (!check_link_status(ioat_enabled_port_mask) && !force_quit)
|
||||
sleep(1);
|
||||
|
||||
/* Check if there is enough lcores for all ports. */
|
||||
cfg.nb_lcores = rte_lcore_count() - 1;
|
||||
if (cfg.nb_lcores < 1)
|
||||
rte_exit(EXIT_FAILURE,
|
||||
"There should be at least one slave lcore.\n");
|
||||
for (i = 0; i < cfg.nb_ports; i++) {
|
||||
printf("Closing port %d\n", cfg.ports[i].rxtx_port);
|
||||
rte_eth_dev_stop(cfg.ports[i].rxtx_port);
|
||||
rte_eth_dev_close(cfg.ports[i].rxtx_port);
|
||||
}
|
||||
|
||||
printf("Bye...\n");
|
||||
return 0;
|
||||
}
|
||||
15
examples/ioat/meson.build
Normal file
15
examples/ioat/meson.build
Normal file
@ -0,0 +1,15 @@
|
||||
# SPDX-License-Identifier: BSD-3-Clause
|
||||
# Copyright(c) 2019 Intel Corporation
|
||||
|
||||
# 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'
|
||||
|
||||
build = dpdk_conf.has('RTE_LIBRTE_PMD_IOAT_RAWDEV')
|
||||
|
||||
deps += ['rawdev_ioat']
|
||||
|
||||
sources = files(
|
||||
'ioatfwd.c'
|
||||
)
|
||||
@ -16,6 +16,7 @@ all_examples = [
|
||||
'eventdev_pipeline',
|
||||
'fips_validation', 'flow_classify',
|
||||
'flow_filtering', 'helloworld',
|
||||
'ioat',
|
||||
'ip_fragmentation', 'ip_pipeline',
|
||||
'ip_reassembly', 'ipsec-secgw',
|
||||
'ipv4_multicast', 'kni',
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user