[RFC,5/5] app: add test-sad application
diff mbox series

Message ID 1565709186-273340-6-git-send-email-vladimir.medvedkin@intel.com
State Superseded, archived
Delegated to: akhil goyal
Headers show
Series
  • ipsec: add inbound SAD
Related show

Checks

Context Check Description
ci/checkpatch warning coding style issues
ci/Intel-compilation success Compilation OK

Commit Message

Vladimir Medvedkin Aug. 13, 2019, 3:13 p.m. UTC
Usage example and performance evaluation for the ipsec SAD library

Signed-off-by: Vladimir Medvedkin <vladimir.medvedkin@intel.com>
---
 app/Makefile             |   1 +
 app/meson.build          |   3 +-
 app/test-sad/Makefile    |  18 ++
 app/test-sad/main.c      | 420 +++++++++++++++++++++++++++++++++++++++++++++++
 app/test-sad/meson.build |   6 +
 5 files changed, 447 insertions(+), 1 deletion(-)
 create mode 100644 app/test-sad/Makefile
 create mode 100644 app/test-sad/main.c
 create mode 100644 app/test-sad/meson.build

Patch
diff mbox series

diff --git a/app/Makefile b/app/Makefile
index 28acbce..db9d2d5 100644
--- a/app/Makefile
+++ b/app/Makefile
@@ -10,6 +10,7 @@  DIRS-$(CONFIG_RTE_LIBRTE_PDUMP) += pdump
 DIRS-$(CONFIG_RTE_LIBRTE_ACL) += test-acl
 DIRS-$(CONFIG_RTE_LIBRTE_CMDLINE) += test-cmdline
 DIRS-$(CONFIG_RTE_LIBRTE_PIPELINE) += test-pipeline
+DIRS-$(CONFIG_RTE_LIBRTE_IPSEC) += test-sad
 
 ifeq ($(CONFIG_RTE_LIBRTE_BBDEV),y)
 DIRS-$(CONFIG_RTE_TEST_BBDEV) += test-bbdev
diff --git a/app/meson.build b/app/meson.build
index b0e6afb..71109cc 100644
--- a/app/meson.build
+++ b/app/meson.build
@@ -15,7 +15,8 @@  apps = [
 	'test-crypto-perf',
 	'test-eventdev',
 	'test-pipeline',
-	'test-pmd']
+	'test-pmd',
+	'test-sad']
 
 # for BSD only
 lib_execinfo = cc.find_library('execinfo', required: false)
diff --git a/app/test-sad/Makefile b/app/test-sad/Makefile
new file mode 100644
index 0000000..9b35413
--- /dev/null
+++ b/app/test-sad/Makefile
@@ -0,0 +1,18 @@ 
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2010-2014 Intel Corporation
+
+include $(RTE_SDK)/mk/rte.vars.mk
+
+ifeq ($(CONFIG_RTE_LIBRTE_IPSEC),y)
+
+APP = testsad
+
+CFLAGS += $(WERROR_FLAGS)
+CFLAGS += -DALLOW_EXPERIMENTAL_API
+
+# all source are stored in SRCS-y
+SRCS-y := main.c
+
+include $(RTE_SDK)/mk/rte.app.mk
+
+endif
diff --git a/app/test-sad/main.c b/app/test-sad/main.c
new file mode 100644
index 0000000..039397f
--- /dev/null
+++ b/app/test-sad/main.c
@@ -0,0 +1,420 @@ 
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2019 Intel Corporation
+ */
+
+#include <rte_string_fns.h>
+#include <rte_ipsec_sad.h>
+#include <getopt.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <rte_cycles.h>
+#include <rte_errno.h>
+#include <rte_ip.h>
+#include <rte_random.h>
+#include <rte_malloc.h>
+#include <rte_ipsec_sad.h>
+
+#define	PRINT_USAGE_START	"%s [EAL options] --\n"
+
+#define GET_CB_FIELD(in, fd, base, lim, dlm)	do {		\
+	unsigned long val;					\
+	char *end_fld;						\
+	errno = 0;						\
+	val = strtoul((in), &end_fld, (base));			\
+	if (errno != 0 || end_fld[0] != (dlm) || val > (lim))	\
+		return -EINVAL;					\
+	(fd) = (typeof(fd))val;					\
+	(in) = end_fld + 1;					\
+} while (0)
+
+#define	DEF_RULE_NUM		0x10000
+#define	DEF_TUPLES_NUM	0x100000
+
+static struct {
+	const char	*prgname;
+	const char	*rules_file;
+	const char	*tuples_file;
+	uint32_t	nb_rules;
+	uint32_t	nb_tuples;
+	uint32_t	nb_rules_32;
+	uint32_t	nb_rules_64;
+	uint32_t	nb_rules_96;
+	uint32_t	nb_tuples_rnd;
+	uint8_t		fract_32;
+	uint8_t		fract_64;
+	uint8_t		fract_96;
+	uint8_t		fract_rnd_tuples;
+} config = {
+	.rules_file = NULL,
+	.tuples_file = NULL,
+	.nb_rules = DEF_RULE_NUM,
+	.nb_tuples = DEF_TUPLES_NUM,
+	.nb_rules_32 = 0,
+	.nb_rules_64 = 0,
+	.nb_rules_96 = 0,
+	.nb_tuples_rnd = 0,
+	.fract_32 = 90,
+	.fract_64 = 9,
+	.fract_96 = 1,
+	.fract_rnd_tuples = 0
+};
+
+enum {
+	CB_RULE_SPI,
+	CB_RULE_DIP,
+	CB_RULE_SIP,
+	CB_RULE_LEN,
+	CB_RULE_NUM,
+};
+
+static char line[LINE_MAX];
+struct rule {
+	struct rte_ipsec_sadv4_key tuple;
+	int rule_type;
+};
+
+static struct rule *rules_tbl;
+static struct rule *tuples_tbl;
+
+static int
+parse_distrib(const char *in)
+{
+	int a, b, c;
+
+	GET_CB_FIELD(in, a, 0, UINT8_MAX, '/');
+	GET_CB_FIELD(in, b, 0, UINT8_MAX, '/');
+	GET_CB_FIELD(in, c, 0, UINT8_MAX, 0);
+
+	if ((a + b + c) != 100)
+		return -EINVAL;
+
+	config.fract_32 = a;
+	config.fract_64 = b;
+	config.fract_96 = c;
+
+	return 0;
+}
+
+static void
+print_config(void)
+{
+	fprintf(stdout,
+		"Rules total: %u\n"
+		"Configured rules distribution SPI/SPI_DIP/SIP_DIP_SIP:"
+		"%u/%u/%u\n"
+		"SPI only rules: %u\n"
+		"SPI_DIP  rules: %u\n"
+		"SPI_DIP_SIP rules: %u\n"
+		"Lookup tuples: %u\n"
+		"Configured fraction of random tuples: %u\n"
+		"Random lookup tuples: %u\n",
+		config.nb_rules, config.fract_32, config.fract_64,
+		config.fract_96, config.nb_rules_32, config.nb_rules_64,
+		config.nb_rules_96, config.nb_tuples, config.fract_rnd_tuples,
+		config.nb_tuples_rnd);
+}
+
+static void
+print_usage(void)
+{
+	fprintf(stdout,
+		PRINT_USAGE_START
+		"[-f <rules file>]\n"
+		"[-t <tuples file for lookup>]\n"
+		"[-n <rules number (if -f is not specified)>]\n"
+		"[-l <lookup tuples number (if -t is not specified)>]\n"
+		"[-d <\"/\" separated rules length distribution"
+		"(if -f is not specified)>]\n"
+		"[-r <random tuples fraction to lookup"
+		"(if -t is not specified)>]\n",
+		config.prgname);
+
+}
+
+static int
+get_str_num(FILE *f, int num)
+{
+	int n_lines = 0;
+
+	if (f != NULL) {
+		while (fgets(line, sizeof(line), f) != NULL)
+			n_lines++;
+		rewind(f);
+	} else {
+		n_lines = num;
+	}
+	return n_lines;
+}
+
+static int
+parse_file(FILE *f, struct rule *tbl, int rule_tbl)
+{
+	int ret, i, j = 0;
+	char *s, *sp, *in[CB_RULE_NUM];
+	static const char *dlm = " \t\n";
+	int string_tok_nb = RTE_DIM(in);
+
+	string_tok_nb -= (rule_tbl == 0) ? 1 : 0;
+	while (fgets(line, sizeof(line), f) != NULL) {
+		s = line;
+		for (i = 0; i != string_tok_nb; i++) {
+			in[i] = strtok_r(s, dlm, &sp);
+			if (in[i] == NULL)
+				return -EINVAL;
+			s = NULL;
+		}
+		GET_CB_FIELD(in[CB_RULE_SPI], tbl[j].tuple.spi, 0,
+				UINT32_MAX, 0);
+
+		ret = inet_pton(AF_INET, in[CB_RULE_DIP], &tbl[j].tuple.dip);
+		if (ret != 1)
+			return -EINVAL;
+		ret = inet_pton(AF_INET, in[CB_RULE_SIP], &tbl[j].tuple.sip);
+		if (ret != 1)
+			return -EINVAL;
+		if ((rule_tbl) && (in[CB_RULE_LEN] != NULL)) {
+			if (strcmp(in[CB_RULE_LEN], "SPI_DIP_SIP") == 0) {
+				tbl[j].rule_type = RTE_IPSEC_SAD_SPI_DIP_SIP;
+				config.nb_rules_96++;
+			} else if (strcmp(in[CB_RULE_LEN], "SPI_DIP") == 0) {
+				tbl[j].rule_type = RTE_IPSEC_SAD_SPI_DIP;
+				config.nb_rules_64++;
+			} else if (strcmp(in[CB_RULE_LEN], "SPI") == 0) {
+				tbl[j].rule_type = RTE_IPSEC_SAD_SPI_ONLY;
+				config.nb_rules_32++;
+			} else {
+				return -EINVAL;
+			}
+		}
+		j++;
+	}
+	return 0;
+}
+
+static void
+get_random_rules(struct rule *tbl, uint32_t nb_rules, int rule_tbl)
+{
+	unsigned i, rnd;
+	int rule_type;
+
+	for (i = 0; i < nb_rules; i++) {
+		rnd = rte_rand() % 100;
+		if (rule_tbl) {
+			tbl[i].tuple.spi = rte_rand();
+			tbl[i].tuple.dip = rte_rand();
+			tbl[i].tuple.sip = rte_rand();
+			if (rnd >= (100UL - config.fract_32)) {
+				rule_type = RTE_IPSEC_SAD_SPI_ONLY;
+				config.nb_rules_32++;
+			} else if (rnd >= (100UL - (config.fract_32 +
+					config.fract_64))) {
+				rule_type = RTE_IPSEC_SAD_SPI_DIP;
+				config.nb_rules_64++;
+			} else {
+				rule_type = RTE_IPSEC_SAD_SPI_DIP_SIP;
+				config.nb_rules_96++;
+			}
+			tbl[i].rule_type = rule_type;
+		} else {
+			if (rnd >= 100UL - config.fract_rnd_tuples) {
+				tbl[i].tuple.spi = rte_rand();
+				tbl[i].tuple.dip = rte_rand();
+				tbl[i].tuple.sip = rte_rand();
+				config.nb_tuples_rnd++;
+			} else {
+				tbl[i].tuple.spi = rules_tbl[i %
+					config.nb_rules].tuple.spi;
+				tbl[i].tuple.dip = rules_tbl[i %
+					config.nb_rules].tuple.dip;
+				tbl[i].tuple.sip = rules_tbl[i %
+					config.nb_rules].tuple.sip;
+			}
+		}
+	}
+}
+
+static void
+tbl_init(struct rule **tbl, uint32_t *n_entries,
+	const char *file_name, int rule_tbl)
+{
+	FILE *f = NULL;
+	int ret;
+	const char *rules = "rules";
+	const char *tuples = "tuples";
+
+	if (file_name != NULL) {
+		f = fopen(file_name, "r");
+		if (f == NULL)
+			rte_exit(-EINVAL, "failed to open file: %s\n",
+				file_name);
+	}
+
+	printf("init %s table...", (rule_tbl) ? rules : tuples);
+	*n_entries = get_str_num(f, *n_entries);
+	printf("%d entries\n", *n_entries);
+	*tbl = rte_zmalloc(NULL, sizeof(struct rule) * *n_entries,
+		RTE_CACHE_LINE_SIZE);
+	if (*tbl == NULL)
+		rte_exit(-ENOMEM, "failed to allocate tbl\n");
+
+	if (f != NULL) {
+		printf("parse file %s\n", file_name);
+		ret = parse_file(f, *tbl, rule_tbl);
+		if (ret != 0)
+			rte_exit(-EINVAL, "failed to parse file %s\n"
+				"rules file must be: "
+				"<uint32_t: spi> <space> "
+				"<ip_addr: dip> <space> "
+				"<ip_addr: sip> <space> "
+				"<string: SPI|SPI_DIP|SIP_DIP_SIP>\n"
+				"tuples file must be: "
+				"<uint32_t: spi> <space> "
+				"<ip_addr: dip> <space> "
+				"<ip_addr: sip>\n",
+				file_name);
+	} else {
+		printf("generate random values in %s table\n",
+			(rule_tbl) ? rules : tuples);
+		get_random_rules(*tbl, *n_entries, rule_tbl);
+	}
+	if (f != NULL)
+		fclose(f);
+}
+
+static void
+parse_opts(int argc, char **argv)
+{
+	int opt, ret;
+	char *endptr;
+
+	while ((opt = getopt(argc, argv, "f:t:n:d:l:r:")) != -1) {
+		switch (opt) {
+		case 'f':
+			config.rules_file = optarg;
+			break;
+		case 't':
+			config.tuples_file = optarg;
+			break;
+		case 'n':
+			errno = 0;
+			config.nb_rules = strtoul(optarg, &endptr, 10);
+			if ((errno != 0) || (config.nb_rules == 0)) {
+				print_usage();
+				rte_exit(-EINVAL, "Invalid option -n\n");
+			}
+			break;
+		case 'd':
+			ret = parse_distrib(optarg);
+			if (ret != 0) {
+				print_usage();
+				rte_exit(-EINVAL, "Invalid option -d\n");
+			}
+			break;
+		case 'l':
+			errno = 0;
+			config.nb_tuples = strtoul(optarg, &endptr, 10);
+			if ((errno != 0) || (config.nb_tuples == 0)) {
+				print_usage();
+				rte_exit(-EINVAL, "Invalid option -l\n");
+			}
+			break;
+		case 'r':
+			errno = 0;
+			config.fract_rnd_tuples = strtoul(optarg, &endptr, 10);
+			if ((errno != 0) || (config.fract_rnd_tuples == 0) ||
+					(config.fract_rnd_tuples >= 100)) {
+				print_usage();
+				rte_exit(-EINVAL, "Invalid option -r\n");
+			}
+			break;
+		default:
+			print_usage();
+			rte_exit(-EINVAL, "Invalid options\n");
+		}
+	}
+}
+
+#define BURST_SZ	64
+static void
+lookup(struct rte_ipsec_sad *sad)
+{
+	int ret, j;
+	unsigned i;
+	const union rte_ipsec_sad_key *keys[BURST_SZ];
+	void *vals[BURST_SZ];
+	uint64_t start, acc = 0;
+
+	for (i = 0; i < config.nb_tuples; i += BURST_SZ) {
+		for (j = 0; j < BURST_SZ; j++)
+			keys[j] = (union rte_ipsec_sad_key *)
+				(&tuples_tbl[i + j].tuple);
+		start = rte_rdtsc();
+		ret = rte_ipsec_sad_lookup(sad, keys, BURST_SZ, vals);
+		acc += rte_rdtsc() - start;
+		if (ret < 0)
+			rte_exit(-EINVAL, "Lookup failed\n");
+	}
+	printf("Average lookup cycles %lu\n", acc / config.nb_tuples);
+}
+
+int
+main(int argc, char **argv)
+{
+	int ret;
+	unsigned i;
+	struct rte_ipsec_sad *sad;
+	struct rte_ipsec_sad_conf conf;
+	uint64_t start;
+
+	ret = rte_eal_init(argc, argv);
+	if (ret < 0)
+		rte_panic("Cannot init EAL\n");
+
+	argc -= ret;
+	argv += ret;
+
+	config.prgname = argv[0];
+
+	parse_opts(argc, argv);
+	tbl_init(&rules_tbl, &config.nb_rules, config.rules_file, 1);
+	tbl_init(&tuples_tbl, &config.nb_tuples, config.tuples_file, 0);
+	if (config.rules_file != NULL) {
+		config.fract_32 = (100 * config.nb_rules_32) / config.nb_rules;
+		config.fract_64 = (100 * config.nb_rules_64) / config.nb_rules;
+		config.fract_96 = (100 * config.nb_rules_96) / config.nb_rules;
+	}
+	if (config.tuples_file != NULL) {
+		config.fract_rnd_tuples = 0;
+		config.nb_tuples_rnd = 0;
+	}
+	conf.socket_id = -1;
+	conf.max_sa[RTE_IPSEC_SAD_SPI_ONLY] = config.nb_rules * 2;
+	conf.max_sa[RTE_IPSEC_SAD_SPI_DIP] = config.nb_rules * 2;
+	conf.max_sa[RTE_IPSEC_SAD_SPI_DIP_SIP] = config.nb_rules * 2;
+	conf.flags = RTE_IPSEC_SAD_FLAG_IPV4|RTE_IPSEC_SAD_FLAG_RW_CONCURRENCY;
+	sad = rte_ipsec_sad_create("test", &conf);
+	if (sad == NULL)
+		rte_exit(-rte_errno, "can not allocate SAD table\n");
+
+	print_config();
+
+	start = rte_rdtsc();
+	for (i = 0; i < config.nb_rules; i++) {
+		ret = rte_ipsec_sad_add(sad,
+			(union rte_ipsec_sad_key *)&rules_tbl[i].tuple,
+			rules_tbl[i].rule_type, &rules_tbl[i]);
+		if (ret != 0)
+			rte_exit(ret, "can not add rule to SAD table\n");
+	}
+	printf("Average ADD cycles: %lu\n",
+		(rte_rdtsc() - start) / config.nb_rules);
+
+	lookup(sad);
+
+	return 0;
+}
diff --git a/app/test-sad/meson.build b/app/test-sad/meson.build
new file mode 100644
index 0000000..31f9aab
--- /dev/null
+++ b/app/test-sad/meson.build
@@ -0,0 +1,6 @@ 
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2019 Intel Corporation
+
+allow_experimental_apis = true
+sources = files('main.c')
+deps += ['ipsec', 'net']