From 103809d032cda71552596aefac269da97e10e7ea Mon Sep 17 00:00:00 2001 From: Vladimir Medvedkin Date: Wed, 11 Dec 2019 18:45:04 +0000 Subject: [PATCH] app/test-fib: add test application for FIB Introduce new application to provide user to evaluate and perform custom functional and performance tests for FIB library. Signed-off-by: Vladimir Medvedkin --- MAINTAINERS | 1 + app/test-fib/Makefile | 21 + app/test-fib/main.c | 1262 ++++++++++++++++++++++++++++++++++++++ app/test-fib/meson.build | 6 + 4 files changed, 1290 insertions(+) create mode 100644 app/test-fib/Makefile create mode 100644 app/test-fib/main.c create mode 100644 app/test-fib/meson.build diff --git a/MAINTAINERS b/MAINTAINERS index 99d080b59a..762c13bd6d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1374,6 +1374,7 @@ F: lib/librte_rib/ F: app/test/test_rib* F: lib/librte_fib/ F: app/test/test_fib* +F: app/test-fib/ Traffic metering M: Cristian Dumitrescu diff --git a/app/test-fib/Makefile b/app/test-fib/Makefile new file mode 100644 index 0000000000..78b45fe314 --- /dev/null +++ b/app/test-fib/Makefile @@ -0,0 +1,21 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2010-2014 Intel Corporation + +include $(RTE_SDK)/mk/rte.vars.mk + +ifeq ($(CONFIG_RTE_LIBRTE_FIB),y) + +APP = testfib + +CFLAGS += -O3 +CFLAGS += $(WERROR_FLAGS) +CFLAGS += -DALLOW_EXPERIMENTAL_API + +LDFLAGS += -lresolv + +# all source are stored in SRCS-y +SRCS-y := main.c + +include $(RTE_SDK)/mk/rte.app.mk + +endif diff --git a/app/test-fib/main.c b/app/test-fib/main.c new file mode 100644 index 0000000000..3c29ca461e --- /dev/null +++ b/app/test-fib/main.c @@ -0,0 +1,1262 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2019 Intel Corporation + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#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_ROUTES_NUM 0x10000 +#define DEF_LOOKUP_IPS_NUM 0x100000 +#define BURST_SZ 64 +#define DEFAULT_LPM_TBL8 100000U + +#define CMP_FLAG (1 << 0) +#define CMP_ALL_FLAG (1 << 1) +#define IPV6_FLAG (1 << 2) +#define FIB_RIB_TYPE (1 << 3) +#define FIB_V4_DIR_TYPE (1 << 4) +#define FIB_V6_TRIE_TYPE (1 << 4) +#define FIB_TYPE_MASK (FIB_RIB_TYPE|FIB_V4_DIR_TYPE|FIB_V6_TRIE_TYPE) +#define SHUFFLE_FLAG (1 << 7) +#define DRY_RUN_FLAG (1 << 8) + +static char *distrib_string; +static char line[LINE_MAX]; + +enum { + RT_PREFIX, + RT_NEXTHOP, + RT_NUM +}; + +#ifndef NIPQUAD +#define NIPQUAD_FMT "%u.%u.%u.%u" +#define NIPQUAD(addr) \ + (unsigned)((unsigned char *)&addr)[3], \ + (unsigned)((unsigned char *)&addr)[2], \ + (unsigned)((unsigned char *)&addr)[1], \ + (unsigned)((unsigned char *)&addr)[0] + +#define NIPQUAD6_FMT "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x" +#define NIPQUAD6(addr) \ + ((uint8_t *)addr)[0] << 8 | \ + ((uint8_t *)addr)[1], \ + ((uint8_t *)addr)[2] << 8 | \ + ((uint8_t *)addr)[3], \ + ((uint8_t *)addr)[4] << 8 | \ + ((uint8_t *)addr)[5], \ + ((uint8_t *)addr)[6] << 8 | \ + ((uint8_t *)addr)[7], \ + ((uint8_t *)addr)[8] << 8 | \ + ((uint8_t *)addr)[9], \ + ((uint8_t *)addr)[10] << 8 | \ + ((uint8_t *)addr)[11], \ + ((uint8_t *)addr)[12] << 8 | \ + ((uint8_t *)addr)[13], \ + ((uint8_t *)addr)[14] << 8 | \ + ((uint8_t *)addr)[15] +#endif + +static struct { + const char *prgname; + const char *routes_file; + const char *lookup_ips_file; + const char *routes_file_s; + const char *lookup_ips_file_s; + void *rt; + void *lookup_tbl; + uint32_t nb_routes; + uint32_t nb_lookup_ips; + uint32_t nb_lookup_ips_rnd; + uint32_t nb_routes_per_depth[128 + 1]; + uint32_t flags; + uint32_t tbl8; + uint8_t ent_sz; + uint8_t rnd_lookup_ips_ratio; + uint8_t print_fract; +} config = { + .routes_file = NULL, + .lookup_ips_file = NULL, + .nb_routes = DEF_ROUTES_NUM, + .nb_lookup_ips = DEF_LOOKUP_IPS_NUM, + .nb_lookup_ips_rnd = 0, + .nb_routes_per_depth = {0}, + .flags = FIB_V4_DIR_TYPE, + .tbl8 = DEFAULT_LPM_TBL8, + .ent_sz = 4, + .rnd_lookup_ips_ratio = 0, + .print_fract = 10 +}; + +struct rt_rule_4 { + uint32_t addr; + uint8_t depth; + uint64_t nh; +}; + +struct rt_rule_6 { + uint8_t addr[16]; + uint8_t depth; + uint64_t nh; +}; + +static uint64_t +get_rnd_rng(uint64_t l, uint64_t u) +{ + if (l == u) + return l; + else + return (rte_rand() % (u - l) + l); +} + +static __rte_always_inline __attribute__((pure)) uint8_t +bits_in_nh(uint8_t nh_sz) +{ + return 8 * (1 << nh_sz); +} + +static __rte_always_inline __attribute__((pure)) uint64_t +get_max_nh(uint8_t nh_sz) +{ + /* min between fib and lpm6 which is 21 bits */ + return RTE_MIN(((1ULL << (bits_in_nh(nh_sz) - 1)) - 1), + (1ULL << 21) - 1); +} + +static int +get_fib_type(void) +{ + if (config.flags & IPV6_FLAG) { + if ((config.flags & FIB_TYPE_MASK) == FIB_V6_TRIE_TYPE) + return RTE_FIB6_TRIE; + else + return RTE_FIB6_DUMMY; + } else { + if ((config.flags & FIB_TYPE_MASK) == FIB_V4_DIR_TYPE) + return RTE_FIB_DIR24_8; + if ((config.flags & FIB_TYPE_MASK) == FIB_RIB_TYPE) + return RTE_FIB_DUMMY; + } + return -1; +} + +static int +complete_distrib(uint8_t depth_lim, const uint32_t n, uint8_t rpd[], + uint32_t nrpd[]) +{ + uint8_t depth; + uint32_t nr = 0; + uint8_t m = 0; + + /* + * complete number of routes for every depth + * that was configured with ratio + */ + for (depth = 0; depth <= depth_lim; depth++) { + if (rpd[depth] != 0) { + if (rpd[depth] == UINT8_MAX) + config.nb_routes_per_depth[depth] = + nrpd[depth]; + else + config.nb_routes_per_depth[depth] = + (n * rpd[depth]) / 100; + + nr += config.nb_routes_per_depth[depth]; + m++; + } + } + + if (nr > n) { + printf("Too much configured routes\n"); + return -1; + } + + /*complete number of routes for every unspecified depths*/ + for (depth = 0; depth <= depth_lim; depth++) { + if (rpd[depth] == 0) { + /*we don't need more than two /1 routes*/ + uint64_t max_routes_per_depth = + 1ULL << RTE_MIN(depth, 63); + uint32_t avg_routes_left = (n - nr) / + (depth_lim + 1 - m++); + config.nb_routes_per_depth[depth] = + RTE_MIN(max_routes_per_depth, avg_routes_left); + nr += config.nb_routes_per_depth[depth]; + } + } + + return 0; +} + +static int +parse_distrib(uint8_t depth_lim, const uint32_t n) +{ + uint8_t rpd[128 + 1] = {0}; /*routes ratios per depth including /0 */ + uint32_t nrpd[128 + 1] = {0}; /* number of routes per depth */ + uint32_t n_routes; + uint8_t depth, ratio, ratio_acc = 0; + char *in; + + in = strtok(distrib_string, ","); + + /*parse configures routes percentage ratios*/ + while (in != NULL) { + GET_CB_FIELD(in, depth, 0, UINT8_MAX, ':'); + if (in[strlen(in) - 1] == '%') { + in[strlen(in) - 1] = 0; + GET_CB_FIELD(in, ratio, 0, UINT8_MAX, '\0'); + if (depth > depth_lim) { + printf("Depth /%d is bigger than maximum " + "allowed depth /%d for this AF\n", + depth, depth_lim); + return -EINVAL; + } + if (ratio > 100) { + printf("Ratio for depth /%d is bigger " + "than 100%%\n", depth); + return -EINVAL; + } + if ((depth < 64) && ((n * ratio) / 100) > + (1ULL << depth)) { + printf("Configured ratio %d%% for depth /%d " + "has %d different routes, but maximum " + "is %lu\n", ratio, depth, + ((n * ratio) / 100), (1UL << depth)); + return -EINVAL; + } + rpd[depth] = ratio; + /*configured zero routes for a given depth*/ + if (ratio == 0) + rpd[depth] = UINT8_MAX; + /*sum of all percentage ratios*/ + ratio_acc += ratio; + } else { + GET_CB_FIELD(in, n_routes, 0, UINT32_MAX, '\0'); + rpd[depth] = UINT8_MAX; + nrpd[depth] = n_routes; + } + + /*number of configured depths in*/ + in = strtok(NULL, ","); + } + + if (ratio_acc > 100) { + printf("Total ratio's sum is bigger than 100%%\n"); + return -EINVAL; + } + + return complete_distrib(depth_lim, n, rpd, nrpd); +} + +static void +shuffle_rt_4(struct rt_rule_4 *rt, int n) +{ + struct rt_rule_4 tmp; + int i, j; + + for (i = 0; i < n; i++) { + j = rte_rand() % n; + tmp.addr = rt[i].addr; + tmp.depth = rt[i].depth; + tmp.nh = rt[i].nh; + + rt[i].addr = rt[j].addr; + rt[i].depth = rt[j].depth; + rt[i].nh = rt[j].nh; + + rt[j].addr = tmp.addr; + rt[j].depth = tmp.depth; + rt[j].nh = tmp.nh; + } +} + +static void +shuffle_rt_6(struct rt_rule_6 *rt, int n) +{ + struct rt_rule_6 tmp; + int i, j; + + for (i = 0; i < n; i++) { + j = rte_rand() % n; + memcpy(tmp.addr, rt[i].addr, 16); + tmp.depth = rt[i].depth; + tmp.nh = rt[i].nh; + + memcpy(rt[i].addr, rt[j].addr, 16); + rt[i].depth = rt[j].depth; + rt[i].nh = rt[j].nh; + + memcpy(rt[j].addr, tmp.addr, 16); + rt[j].depth = tmp.depth; + rt[j].nh = tmp.nh; + } +} + +static void +gen_random_rt_4(struct rt_rule_4 *rt, int nh_sz) +{ + uint32_t i, j, k = 0; + + if (config.nb_routes_per_depth[0] != 0) { + rt[k].addr = 0; + rt[k].depth = 0; + rt[k++].nh = rte_rand() & get_max_nh(nh_sz); + } + + for (i = 1; i <= 32; i++) { + double edge = 0; + double step; + step = (double)(1ULL << i) / config.nb_routes_per_depth[i]; + for (j = 0; j < config.nb_routes_per_depth[i]; + j++, k++, edge += step) { + uint64_t rnd_val = get_rnd_rng((uint64_t)edge, + (uint64_t)(edge + step)); + rt[k].addr = rnd_val << (32 - i); + rt[k].depth = i; + rt[k].nh = rte_rand() & get_max_nh(nh_sz); + } + } +} + +static void +complete_v6_addr(uint32_t *addr, uint32_t rnd, int n) +{ + int i; + + for (i = 0; i < n; i++) + addr[i] = rte_rand(); + addr[i++] = rnd; + for (; i < 4; i++) + addr[i] = 0; +} + +static void +gen_random_rt_6(struct rt_rule_6 *rt, int nh_sz) +{ + uint32_t i, j, k = 0; + + if (config.nb_routes_per_depth[0] != 0) { + memset(rt[k].addr, 0, 16); + rt[k].depth = 0; + rt[k++].nh = rte_rand() & get_max_nh(nh_sz); + } + + for (int a = 0; a < 4; a++) { + for (i = 1; i <= 32; i++) { + uint32_t rnd; + double edge = 0; + double step = (double)(1ULL << i) / + config.nb_routes_per_depth[(a * 32) + i]; + for (j = 0; j < config.nb_routes_per_depth[a * 32 + i]; + j++, k++, edge += step) { + uint64_t rnd_val = get_rnd_rng((uint64_t)edge, + (uint64_t)(edge + step)); + rnd = rte_cpu_to_be_32(rnd_val << (32 - i)); + complete_v6_addr((uint32_t *)rt[k].addr, + rnd, a); + rt[k].depth = (a * 32) + i; + rt[k].nh = rte_rand() & get_max_nh(nh_sz); + } + } + } +} + +static inline void +set_rnd_ipv6(uint8_t *addr, uint8_t *route, int depth) +{ + int i; + + for (i = 0; i < 16; i++) + addr[i] = rte_rand(); + + for (i = 0; i < 16; i++) { + if (depth >= 8) + addr[i] = route[i]; + else if (depth > 0) { + addr[i] &= (uint16_t)UINT8_MAX >> depth; + addr[i] |= route[i] & UINT8_MAX << (8 - depth); + } else + return; + depth -= 8; + } +} + +static void +gen_rnd_lookup_tbl(int af) +{ + uint32_t *tbl4 = config.lookup_tbl; + uint8_t *tbl6 = config.lookup_tbl; + struct rt_rule_4 *rt4 = (struct rt_rule_4 *)config.rt; + struct rt_rule_6 *rt6 = (struct rt_rule_6 *)config.rt; + uint32_t i, j; + + if (af == AF_INET) { + for (i = 0, j = 0; i < config.nb_lookup_ips; + i++, j = (j + 1) % config.nb_routes) { + if ((rte_rand() % 100) < config.rnd_lookup_ips_ratio) { + tbl4[i] = rte_rand(); + config.nb_lookup_ips_rnd++; + } else + tbl4[i] = rt4[j].addr | (rte_rand() & + ((1ULL << (32 - rt4[j].depth)) - 1)); + } + } else { + for (i = 0, j = 0; i < config.nb_lookup_ips; + i++, j = (j + 1) % config.nb_routes) { + if ((rte_rand() % 100) < config.rnd_lookup_ips_ratio) { + set_rnd_ipv6(&tbl6[i * 16], rt6[j].addr, 0); + config.nb_lookup_ips_rnd++; + } else { + set_rnd_ipv6(&tbl6[i * 16], rt6[j].addr, + rt6[j].depth); + } + } + } +} + +static int +parse_rt_4(FILE *f) +{ + int ret, i, j = 0; + char *s, *sp, *in[RT_NUM]; + static const char *dlm = " \t\n"; + int string_tok_nb = RTE_DIM(in); + struct rt_rule_4 *rt; + + rt = (struct rt_rule_4 *)config.rt; + + 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; + } + + ret = inet_net_pton(AF_INET, in[RT_PREFIX], &rt[j].addr, + sizeof(rt[j].addr)); + if (ret == -1) + return -errno; + + rt[j].addr = rte_be_to_cpu_32(rt[j].addr); + rt[j].depth = ret; + config.nb_routes_per_depth[ret]++; + GET_CB_FIELD(in[RT_NEXTHOP], rt[j].nh, 0, + UINT32_MAX, 0); + j++; + } + return 0; +} + +static int +__inet_net_pton6(char *prefix, uint8_t *addr) +{ + const char *dlm = "/"; + char *s, *sp; + int ret, depth; + + if ((prefix == NULL) || (addr == NULL)) + return -EINVAL; + + s = strtok_r(prefix, dlm, &sp); + if (s == NULL) + return -EINVAL; + + ret = inet_pton(AF_INET6, s, addr); + if (ret != 1) + return -errno; + + s = strtok_r(NULL, dlm, &sp); + GET_CB_FIELD(s, depth, 0, 128, 0); + + return depth; +} + +static int +parse_rt_6(FILE *f) +{ + int ret, i, j = 0; + char *s, *sp, *in[RT_NUM]; + static const char *dlm = " \t\n"; + int string_tok_nb = RTE_DIM(in); + struct rt_rule_6 *rt; + + rt = (struct rt_rule_6 *)config.rt; + + 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; + } + + ret = __inet_net_pton6(in[RT_PREFIX], rt[j].addr); + if (ret < 0) + return ret; + + rt[j].depth = ret; + config.nb_routes_per_depth[ret]++; + GET_CB_FIELD(in[RT_NEXTHOP], rt[j].nh, 0, + UINT32_MAX, 0); + j++; + } + + return 0; +} + +static int +parse_lookup(FILE *f, int af) +{ + int ret, i = 0; + uint8_t *tbl = (uint8_t *)config.lookup_tbl; + int step = (af == AF_INET) ? 4 : 16; + char *s; + + while (fgets(line, sizeof(line), f) != NULL) { + s = strtok(line, " \t\n"); + ret = inet_pton(af, s, &tbl[i]); + if (ret != 1) + return -EINVAL; + i += step; + } + return 0; +} + +static int +dump_lookup(int af) +{ + FILE *f; + uint32_t *tbl4 = config.lookup_tbl; + uint8_t *tbl6 = config.lookup_tbl; + uint32_t i; + + f = fopen(config.lookup_ips_file_s, "w"); + if (f == NULL) { + printf("Can not open file %s\n", config.lookup_ips_file_s); + return -1; + } + + if (af == AF_INET) { + for (i = 0; i < config.nb_lookup_ips; i++) + fprintf(f, NIPQUAD_FMT"\n", NIPQUAD(tbl4[i])); + } else { + for (i = 0; i < config.nb_lookup_ips; i++) + fprintf(f, NIPQUAD6_FMT"\n", NIPQUAD6(&tbl6[i * 16])); + } + fclose(f); + return 0; +} + +static void +print_config(void) +{ + uint8_t depth_lim; + char dlm; + int i; + + depth_lim = ((config.flags & IPV6_FLAG) == IPV6_FLAG) ? 128 : 32; + + fprintf(stdout, + "Routes total: %u\n" + "Routes distribution:\n", config.nb_routes); + + for (i = 1; i <= depth_lim; i++) { + fprintf(stdout, + "depth /%d:%u", i, config.nb_routes_per_depth[i]); + if (i % 4 == 0) + dlm = '\n'; + else + dlm = '\t'; + fprintf(stdout, "%c", dlm); + } + + fprintf(stdout, + "Lookup tuples: %u\n" + "Configured ratios of random ips for lookup: %u\n" + "Random lookup ips: %u\n", + config.nb_lookup_ips, config.rnd_lookup_ips_ratio, + config.nb_lookup_ips_rnd); +} + +static void +print_usage(void) +{ + fprintf(stdout, + PRINT_USAGE_START + "[-f ]\n" + "[-t ]\n" + "[-n ]\n" + "[-l ]\n" + "[-d <\",\" separated \"depth:n%%\"routes depth distribution" + "(if -f is not specified)>]\n" + "[-r ]\n" + "[-c ]\n" + "[-6 ]\n" + "[-s ]\n" + "[-a ]\n" + "[-b ]\n\tavailible options for ipv4\n" + "\t\trib - RIB based FIB\n" + "\t\tdir - DIR24_8 based FIB\n" + "\tavailible options for ipv6:\n" + "\t\trib - RIB based FIB\n" + "\t\ttrie - TRIE based FIB\n" + "defaults are: dir for ipv4 and trie for ipv6\n" + "[-e ]\n" + "[-g ]\n" + "[-w ]\n" + "[-u ]\n", + config.prgname); +} + +static int +check_config(void) +{ + if ((config.routes_file == NULL) && (config.lookup_ips_file != NULL)) { + printf("-t option only valid with -f option\n"); + return -1; + } + + if ((config.flags & CMP_ALL_FLAG) && (config.flags & IPV6_FLAG)) { + printf("-a flag is only valid for ipv4\n"); + return -1; + } + + if ((config.flags & CMP_ALL_FLAG) && + ((config.flags & CMP_FLAG) != CMP_FLAG)) { + printf("-a flag is valid only with -c flag\n"); + return -1; + } + + if (!((config.ent_sz == 1) || (config.ent_sz == 2) || + (config.ent_sz == 4) || (config.ent_sz == 8))) { + printf("wrong -e option %d, can be 1 or 2 or 4 or 8\n", + config.ent_sz); + return -1; + } + + if ((config.ent_sz == 1) && (config.flags & IPV6_FLAG)) { + printf("-e 1 is valid only for ipv4\n"); + return -1; + } + return 0; +} + +static void +parse_opts(int argc, char **argv) +{ + int opt; + char *endptr; + + while ((opt = getopt(argc, argv, "f:t:n:d:l:r:c6ab:e:g:w:u:s")) != + -1) { + switch (opt) { + case 'f': + config.routes_file = optarg; + break; + case 't': + config.lookup_ips_file = optarg; + break; + case 'w': + config.routes_file_s = optarg; + config.flags |= DRY_RUN_FLAG; + break; + case 'u': + config.lookup_ips_file_s = optarg; + config.flags |= DRY_RUN_FLAG; + break; + case 'n': + errno = 0; + config.nb_routes = strtoul(optarg, &endptr, 10); + if ((errno != 0) || (config.nb_routes == 0)) { + print_usage(); + rte_exit(-EINVAL, "Invalid option -n\n"); + } + break; + case 'd': + distrib_string = optarg; + break; + case 'l': + errno = 0; + config.nb_lookup_ips = strtoul(optarg, &endptr, 10); + if ((errno != 0) || (config.nb_lookup_ips == 0)) { + print_usage(); + rte_exit(-EINVAL, "Invalid option -l\n"); + } + break; + case 'r': + errno = 0; + config.rnd_lookup_ips_ratio = + strtoul(optarg, &endptr, 10); + if ((errno != 0) || + (config.rnd_lookup_ips_ratio == 0) || + (config.rnd_lookup_ips_ratio >= 100)) { + print_usage(); + rte_exit(-EINVAL, "Invalid option -r\n"); + } + break; + case 's': + config.flags |= SHUFFLE_FLAG; + break; + case 'c': + config.flags |= CMP_FLAG; + break; + case '6': + config.flags |= IPV6_FLAG; + break; + case 'a': + config.flags |= CMP_ALL_FLAG; + break; + case 'b': + if (strcmp(optarg, "rib") == 0) { + config.flags &= ~FIB_TYPE_MASK; + config.flags |= FIB_RIB_TYPE; + } else if (strcmp(optarg, "dir") == 0) { + config.flags &= ~FIB_TYPE_MASK; + config.flags |= FIB_V4_DIR_TYPE; + } else if (strcmp(optarg, "trie") == 0) { + config.flags &= ~FIB_TYPE_MASK; + config.flags |= FIB_V6_TRIE_TYPE; + } else + rte_exit(-EINVAL, "Invalid option -b\n"); + break; + case 'e': + errno = 0; + config.ent_sz = strtoul(optarg, &endptr, 10); + if (errno != 0) { + print_usage(); + rte_exit(-EINVAL, "Invalid option -e\n"); + } + break; + case 'g': + errno = 0; + config.tbl8 = strtoul(optarg, &endptr, 10); + if ((errno != 0) || (config.tbl8 == 0)) { + print_usage(); + rte_exit(-EINVAL, "Invalid option -g\n"); + } + break; + default: + print_usage(); + rte_exit(-EINVAL, "Invalid options\n"); + } + } +} + +static int +dump_rt_4(struct rt_rule_4 *rt) +{ + FILE *f; + uint32_t i; + + f = fopen(config.routes_file_s, "w"); + if (f == NULL) { + printf("Can not open file %s\n", config.routes_file_s); + return -1; + } + + for (i = 0; i < config.nb_routes; i++) + fprintf(f, NIPQUAD_FMT"/%d %lu\n", NIPQUAD(rt[i].addr), + rt[i].depth, rt[i].nh); + + fclose(f); + return 0; +} + +static inline void +print_depth_err(void) +{ + printf("LPM does not support /0 prefix length (default route), use " + "-d 0:0 option or remove /0 prefix from routes file\n"); +} + +static int +run_v4(void) +{ + uint64_t start, acc; + uint64_t def_nh = 0; + struct rte_fib *fib; + struct rte_fib_conf conf = {0}; + struct rt_rule_4 *rt; + uint32_t i, j, k; + int ret = 0; + struct rte_lpm *lpm = NULL; + struct rte_lpm_config lpm_conf; + uint32_t *tbl4 = config.lookup_tbl; + uint64_t fib_nh[BURST_SZ]; + uint32_t lpm_nh[BURST_SZ]; + + rt = (struct rt_rule_4 *)config.rt; + + if (config.flags & DRY_RUN_FLAG) { + if (config.routes_file_s != NULL) + ret = dump_rt_4(rt); + if (ret != 0) + return ret; + if (config.lookup_ips_file_s != NULL) + ret = dump_lookup(AF_INET); + return ret; + } + + conf.type = get_fib_type(); + conf.default_nh = def_nh; + conf.max_routes = config.nb_routes * 2; + if (conf.type == RTE_FIB_DIR24_8) { + conf.dir24_8.nh_sz = __builtin_ctz(config.ent_sz); + conf.dir24_8.num_tbl8 = RTE_MIN(config.tbl8, + get_max_nh(conf.dir24_8.nh_sz)); + } + + fib = rte_fib_create("test", -1, &conf); + if (fib == NULL) { + printf("Can not alloc FIB, err %d\n", rte_errno); + return -rte_errno; + } + + for (k = config.print_fract, i = 0; k > 0; k--) { + start = rte_rdtsc_precise(); + for (j = 0; j < (config.nb_routes - i) / k; j++) { + ret = rte_fib_add(fib, rt[i + j].addr, rt[i + j].depth, + rt[i + j].nh); + if (unlikely(ret != 0)) { + printf("Can not add a route to FIB, err %d\n", + ret); + return -ret; + } + } + printf("AVG FIB add %lu\n", (rte_rdtsc_precise() - start) / j); + i += j; + } + + if (config.flags & CMP_FLAG) { + lpm_conf.max_rules = config.nb_routes * 2; + lpm_conf.number_tbl8s = RTE_MAX(conf.dir24_8.num_tbl8, + config.tbl8); + + lpm = rte_lpm_create("test_lpm", -1, &lpm_conf); + if (lpm == NULL) { + printf("Can not alloc LPM, err %d\n", rte_errno); + return -rte_errno; + } + for (k = config.print_fract, i = 0; k > 0; k--) { + start = rte_rdtsc_precise(); + for (j = 0; j < (config.nb_routes - i) / k; j++) { + ret = rte_lpm_add(lpm, rt[i + j].addr, + rt[i + j].depth, rt[i + j].nh); + if (ret != 0) { + if (rt[i + j].depth == 0) + print_depth_err(); + printf("Can not add a route to LPM, " + "err %d\n", ret); + return -ret; + } + } + printf("AVG LPM add %lu\n", + (rte_rdtsc_precise() - start) / j); + i += j; + } + } + + acc = 0; + for (i = 0; i < config.nb_lookup_ips; i += BURST_SZ) { + start = rte_rdtsc_precise(); + ret = rte_fib_lookup_bulk(fib, tbl4 + i, fib_nh, BURST_SZ); + acc += rte_rdtsc_precise() - start; + if (ret != 0) { + printf("FIB lookup fails, err %d\n", ret); + return -ret; + } + } + printf("AVG FIB lookup %.1f\n", (double)acc / (double)i); + + if (config.flags & CMP_FLAG) { + acc = 0; + for (i = 0; i < config.nb_lookup_ips; i += BURST_SZ) { + start = rte_rdtsc_precise(); + ret = rte_lpm_lookup_bulk(lpm, tbl4 + i, lpm_nh, + BURST_SZ); + acc += rte_rdtsc_precise() - start; + if (ret != 0) { + printf("LPM lookup fails, err %d\n", ret); + return -ret; + } + } + printf("AVG LPM lookup %.1f\n", (double)acc / (double)i); + + for (i = 0; i < config.nb_lookup_ips; i += BURST_SZ) { + rte_fib_lookup_bulk(fib, tbl4 + i, fib_nh, BURST_SZ); + rte_lpm_lookup_bulk(lpm, tbl4 + i, lpm_nh, BURST_SZ); + for (j = 0; j < BURST_SZ; j++) { + struct rte_lpm_tbl_entry *tbl; + tbl = (struct rte_lpm_tbl_entry *)&lpm_nh[j]; + if ((fib_nh[j] != tbl->next_hop) && + !((tbl->valid == 0) && + (fib_nh[j] == def_nh))) { + printf("FAIL\n"); + return -1; + } + } + } + printf("FIB and LPM lookup returns same values\n"); + } + + for (k = config.print_fract, i = 0; k > 0; k--) { + start = rte_rdtsc_precise(); + for (j = 0; j < (config.nb_routes - i) / k; j++) + rte_fib_delete(fib, rt[i + j].addr, rt[i + j].depth); + + printf("AVG FIB delete %lu\n", + (rte_rdtsc_precise() - start) / j); + i += j; + } + + if (config.flags & CMP_FLAG) { + for (k = config.print_fract, i = 0; k > 0; k--) { + start = rte_rdtsc_precise(); + for (j = 0; j < (config.nb_routes - i) / k; j++) + rte_lpm_delete(lpm, rt[i + j].addr, + rt[i + j].depth); + + printf("AVG LPM delete %lu\n", + (rte_rdtsc_precise() - start) / j); + i += j; + } + } + + return 0; +} + +static int +dump_rt_6(struct rt_rule_6 *rt) +{ + FILE *f; + uint32_t i; + + f = fopen(config.routes_file_s, "w"); + if (f == NULL) { + printf("Can not open file %s\n", config.routes_file_s); + return -1; + } + + for (i = 0; i < config.nb_routes; i++) { + fprintf(f, NIPQUAD6_FMT"/%d %lu\n", NIPQUAD6(rt[i].addr), + rt[i].depth, rt[i].nh); + + } + fclose(f); + return 0; +} + +static int +run_v6(void) +{ + uint64_t start, acc; + uint64_t def_nh = 0; + struct rte_fib6 *fib; + struct rte_fib6_conf conf = {0}; + struct rt_rule_6 *rt; + uint32_t i, j, k; + int ret = 0; + struct rte_lpm6 *lpm = NULL; + struct rte_lpm6_config lpm_conf; + uint8_t *tbl6; + uint64_t fib_nh[BURST_SZ]; + int32_t lpm_nh[BURST_SZ]; + + rt = (struct rt_rule_6 *)config.rt; + tbl6 = config.lookup_tbl; + + if (config.flags & DRY_RUN_FLAG) { + if (config.routes_file_s != NULL) + ret = dump_rt_6(rt); + if (ret != 0) + return ret; + if (config.lookup_ips_file_s != NULL) + ret = dump_lookup(AF_INET6); + return ret; + } + + conf.type = get_fib_type(); + conf.default_nh = def_nh; + conf.max_routes = config.nb_routes * 2; + if (conf.type == RTE_FIB6_TRIE) { + conf.trie.nh_sz = __builtin_ctz(config.ent_sz); + conf.trie.num_tbl8 = RTE_MIN(config.tbl8, + get_max_nh(conf.trie.nh_sz)); + } + + fib = rte_fib6_create("test", -1, &conf); + if (fib == NULL) { + printf("Can not alloc FIB, err %d\n", rte_errno); + return -rte_errno; + } + + for (k = config.print_fract, i = 0; k > 0; k--) { + start = rte_rdtsc_precise(); + for (j = 0; j < (config.nb_routes - i) / k; j++) { + ret = rte_fib6_add(fib, rt[i + j].addr, + rt[i + j].depth, rt[i + j].nh); + if (unlikely(ret != 0)) { + printf("Can not add a route to FIB, err %d\n", + ret); + return -ret; + } + } + printf("AVG FIB add %lu\n", (rte_rdtsc_precise() - start) / j); + i += j; + } + + if (config.flags & CMP_FLAG) { + lpm_conf.max_rules = config.nb_routes * 2; + lpm_conf.number_tbl8s = RTE_MAX(conf.trie.num_tbl8, + config.tbl8); + + lpm = rte_lpm6_create("test_lpm", -1, &lpm_conf); + if (lpm == NULL) { + printf("Can not alloc LPM, err %d\n", rte_errno); + return -rte_errno; + } + for (k = config.print_fract, i = 0; k > 0; k--) { + start = rte_rdtsc_precise(); + for (j = 0; j < (config.nb_routes - i) / k; j++) { + ret = rte_lpm6_add(lpm, rt[i + j].addr, + rt[i + j].depth, rt[i + j].nh); + if (ret != 0) { + if (rt[i + j].depth == 0) + print_depth_err(); + printf("Can not add a route to LPM, " + "err %d\n", ret); + return -ret; + } + } + printf("AVG LPM add %lu\n", + (rte_rdtsc_precise() - start) / j); + i += j; + } + } + + acc = 0; + for (i = 0; i < config.nb_lookup_ips; i += BURST_SZ) { + start = rte_rdtsc_precise(); + ret = rte_fib6_lookup_bulk(fib, (uint8_t (*)[16])(tbl6 + i*16), + fib_nh, BURST_SZ); + acc += rte_rdtsc_precise() - start; + if (ret != 0) { + printf("FIB lookup fails, err %d\n", ret); + return -ret; + } + } + printf("AVG FIB lookup %.1f\n", (double)acc / (double)i); + + if (config.flags & CMP_FLAG) { + acc = 0; + for (i = 0; i < config.nb_lookup_ips; i += BURST_SZ) { + start = rte_rdtsc_precise(); + ret = rte_lpm6_lookup_bulk_func(lpm, + (uint8_t (*)[16])(tbl6 + i*16), + lpm_nh, BURST_SZ); + acc += rte_rdtsc_precise() - start; + if (ret != 0) { + printf("LPM lookup fails, err %d\n", ret); + return -ret; + } + } + printf("AVG LPM lookup %.1f\n", (double)acc / (double)i); + + for (i = 0; i < config.nb_lookup_ips; i += BURST_SZ) { + rte_fib6_lookup_bulk(fib, + (uint8_t (*)[16])(tbl6 + i*16), + fib_nh, BURST_SZ); + rte_lpm6_lookup_bulk_func(lpm, + (uint8_t (*)[16])(tbl6 + i*16), + lpm_nh, BURST_SZ); + for (j = 0; j < BURST_SZ; j++) { + if ((fib_nh[j] != (uint32_t)lpm_nh[j]) && + !((lpm_nh[j] == -1) && + (fib_nh[j] == def_nh))) { + printf("FAIL\n"); + return -1; + } + } + } + printf("FIB and LPM lookup returns same values\n"); + } + + for (k = config.print_fract, i = 0; k > 0; k--) { + start = rte_rdtsc_precise(); + for (j = 0; j < (config.nb_routes - i) / k; j++) + rte_fib6_delete(fib, rt[i + j].addr, rt[i + j].depth); + + printf("AVG FIB delete %lu\n", + (rte_rdtsc_precise() - start) / j); + i += j; + } + + if (config.flags & CMP_FLAG) { + for (k = config.print_fract, i = 0; k > 0; k--) { + start = rte_rdtsc_precise(); + for (j = 0; j < (config.nb_routes - i) / k; j++) + rte_lpm6_delete(lpm, rt[i + j].addr, + rt[i + j].depth); + + printf("AVG LPM delete %lu\n", + (rte_rdtsc_precise() - start) / j); + i += j; + } + } + return 0; +} + +int +main(int argc, char **argv) +{ + int ret, af, rt_ent_sz, lookup_ent_sz; + FILE *fr, *fl; + uint8_t depth_lim; + + 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); + + ret = check_config(); + if (ret != 0) + rte_exit(-ret, "Bad configuration\n"); + + af = ((config.flags & IPV6_FLAG) == 0) ? AF_INET : AF_INET6; + depth_lim = (af == AF_INET) ? 32 : 128; + rt_ent_sz = (af == AF_INET) ? sizeof(struct rt_rule_4) : + sizeof(struct rt_rule_6); + lookup_ent_sz = (af == AF_INET) ? 4 : 16; + + /* Count number of rules in file*/ + if (config.routes_file != NULL) { + fr = fopen(config.routes_file, "r"); + if (fr == NULL) + rte_exit(-errno, "Can not open file with routes %s\n", + config.routes_file); + + config.nb_routes = 0; + while (fgets(line, sizeof(line), fr) != NULL) + config.nb_routes++; + rewind(fr); + } + + /* Count number of ip's in file*/ + if (config.lookup_ips_file != NULL) { + fl = fopen(config.lookup_ips_file, "r"); + if (fl == NULL) + rte_exit(-errno, "Can not open file with ip's %s\n", + config.lookup_ips_file); + + config.nb_lookup_ips = 0; + while (fgets(line, sizeof(line), fl) != NULL) + config.nb_lookup_ips++; + rewind(fl); + } + + /* Alloc routes table*/ + config.rt = rte_malloc(NULL, rt_ent_sz * config.nb_routes, 0); + if (config.rt == NULL) + rte_exit(-ENOMEM, "Can not alloc rt\n"); + + /* Alloc table with ip's for lookup*/ + config.lookup_tbl = rte_malloc(NULL, lookup_ent_sz * + config.nb_lookup_ips, 0); + if (config.lookup_tbl == NULL) + rte_exit(-ENOMEM, "Can not alloc lookup table\n"); + + /* Fill routes table */ + if (config.routes_file == NULL) { + if (distrib_string != NULL) + ret = parse_distrib(depth_lim, config.nb_routes); + else { + uint8_t rpd[129] = {0}; + uint32_t nrpd[129] = {0}; + ret = complete_distrib(depth_lim, config.nb_routes, + rpd, nrpd); + } + if (ret != 0) + rte_exit(-ret, + "Bad routes distribution configuration\n"); + if (af == AF_INET) { + gen_random_rt_4(config.rt, + __builtin_ctz(config.ent_sz)); + if (config.flags & SHUFFLE_FLAG) + shuffle_rt_4(config.rt, config.nb_routes); + } else { + gen_random_rt_6(config.rt, + __builtin_ctz(config.ent_sz)); + if (config.flags & SHUFFLE_FLAG) + shuffle_rt_6(config.rt, config.nb_routes); + } + } else { + if (af == AF_INET) + ret = parse_rt_4(fr); + else + ret = parse_rt_6(fr); + + if (ret != 0) { + rte_exit(-ret, "failed to parse routes file %s\n", + config.routes_file); + } + } + + /* Fill lookup table with ip's*/ + if (config.lookup_ips_file == NULL) + gen_rnd_lookup_tbl(af); + else { + ret = parse_lookup(fl, af); + if (ret != 0) + rte_exit(-ret, "failed to parse lookup file\n"); + } + + print_config(); + + if (af == AF_INET) + ret = run_v4(); + else + ret = run_v6(); + + return ret; +} diff --git a/app/test-fib/meson.build b/app/test-fib/meson.build new file mode 100644 index 0000000000..4db0010357 --- /dev/null +++ b/app/test-fib/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 += ['fib', 'lpm', 'net'] -- 2.20.1