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[66.68.129.43]) by smtp.gmail.com with ESMTPSA id m10sm28982oex.12.2015.11.17.16.16.48 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 17 Nov 2015 16:16:49 -0800 (PST) From: Bill Fischofer To: lng-odp@lists.linaro.org Date: Tue, 17 Nov 2015 18:16:39 -0600 Message-Id: <1447805799-31047-4-git-send-email-bill.fischofer@linaro.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1447805799-31047-1-git-send-email-bill.fischofer@linaro.org> References: <1447805799-31047-1-git-send-email-bill.fischofer@linaro.org> X-Topics: patch Cc: Barry Spinney Subject: [lng-odp] [API-NEXT PATCHv12 3/3] example: tm: traffic manager example X-BeenThere: lng-odp@lists.linaro.org X-Mailman-Version: 2.1.16 Precedence: list List-Id: "The OpenDataPlane \(ODP\) List" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: lng-odp-bounces@lists.linaro.org Sender: "lng-odp" This commit includes all of the changes to build the traffic_mgr example application. Signed-off-by: Barry Spinney Signed-off-by: Bill Fischofer --- configure.ac | 1 + example/Makefile.am | 2 +- example/traffic_mgmt/.gitignore | 1 + example/traffic_mgmt/Makefile.am | 9 + example/traffic_mgmt/odp_traffic_mgmt.c | 781 ++++++++++++++++++++++++++++++++ 5 files changed, 793 insertions(+), 1 deletion(-) create mode 100644 example/traffic_mgmt/.gitignore create mode 100644 example/traffic_mgmt/Makefile.am create mode 100644 example/traffic_mgmt/odp_traffic_mgmt.c diff --git a/configure.ac b/configure.ac index 2c47358..ae5395a 100644 --- a/configure.ac +++ b/configure.ac @@ -325,6 +325,7 @@ AC_CONFIG_FILES([Makefile example/ipsec/Makefile example/packet/Makefile example/timer/Makefile + example/traffic_mgmt/Makefile helper/Makefile helper/test/Makefile pkgconfig/libodp.pc diff --git a/example/Makefile.am b/example/Makefile.am index 353f397..6b67bf5 100644 --- a/example/Makefile.am +++ b/example/Makefile.am @@ -1 +1 @@ -SUBDIRS = classifier generator ipsec packet timer +SUBDIRS = classifier generator ipsec packet timer traffic_mgmt diff --git a/example/traffic_mgmt/.gitignore b/example/traffic_mgmt/.gitignore new file mode 100644 index 0000000..9e742f0 --- /dev/null +++ b/example/traffic_mgmt/.gitignore @@ -0,0 +1 @@ +odp_traffic_mgmt \ No newline at end of file diff --git a/example/traffic_mgmt/Makefile.am b/example/traffic_mgmt/Makefile.am new file mode 100644 index 0000000..c8ff797 --- /dev/null +++ b/example/traffic_mgmt/Makefile.am @@ -0,0 +1,9 @@ +include $(top_srcdir)/example/Makefile.inc + +bin_PROGRAMS = odp_traffic_mgmt$(EXEEXT) +odp_traffic_mgmt_LDFLAGS = $(AM_LDFLAGS) -static +odp_traffic_mgmt_CFLAGS = $(AM_CFLAGS) -I${top_srcdir}/example + +noinst_HEADERS = $(top_srcdir)/example/example_debug.h + +dist_odp_traffic_mgmt_SOURCES = odp_traffic_mgmt.c diff --git a/example/traffic_mgmt/odp_traffic_mgmt.c b/example/traffic_mgmt/odp_traffic_mgmt.c new file mode 100644 index 0000000..37a85c7 --- /dev/null +++ b/example/traffic_mgmt/odp_traffic_mgmt.c @@ -0,0 +1,781 @@ +/* Copyright 2015 EZchip Semiconductor Ltd. All Rights Reserved. + * + * Copyright (c) 2015, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#define _GNU_SOURCE + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define NUM_SVC_CLASSES 4 +#define USERS_PER_SVC_CLASS 2 +#define APPS_PER_USER 2 +#define TM_QUEUES_PER_APP 2 +#define NUM_USERS (USERS_PER_SVC_CLASS * NUM_SVC_CLASSES) +#define NUM_TM_QUEUES (NUM_USERS * APPS_PER_USER * TM_QUEUES_PER_APP) +#define TM_QUEUES_PER_USER (TM_QUEUES_PER_APP * APPS_PER_USER) +#define TM_QUEUES_PER_CLASS (USERS_PER_SVC_CLASS * TM_QUEUES_PER_USER) + +#define Kbps 1000 +#define Mbps 1000000 +#define PERCENT(percent) (100 * percent) + +#define FALSE 0 +#define TRUE 1 + +#define MAX(a, b) (((a) > (b)) ? (a) : (b)) +#define MIN(a, b) (((a) < (b)) ? (a) : (b)) + +#define RANDOM_BUF_LEN 1024 + +typedef struct { + odp_tm_shaper_params_t shaper_params; + odp_tm_threshold_params_t threshold_params; + odp_tm_wred_params_t wred_params[ODP_NUM_PACKET_COLORS]; +} profile_params_set_t; + +typedef struct { + odp_tm_shaper_t shaper_profile; + odp_tm_threshold_t threshold_profile; + odp_tm_wred_t wred_profiles[ODP_NUM_PACKET_COLORS]; +} profile_set_t; + +static const odp_init_t ODP_INIT_PARAMS = { + .log_fn = odp_override_log, + .abort_fn = odp_override_abort +}; + +static const odp_platform_init_t PLATFORM_PARAMS = { +}; + +static profile_params_set_t COMPANY_PROFILE_PARAMS = { + .shaper_params = { + .commit_bps = 50 * Mbps, .commit_burst = 1000000, + .peak_bps = 0, .peak_burst = 0, + .dual_rate = FALSE, .shaper_len_adjust = 20 + }, + + .threshold_params = { + .max_pkts = 100000, .enable_max_pkts = TRUE, + .max_bytes = 10000000, .enable_max_bytes = TRUE + }, + + .wred_params = { + [ODP_PACKET_GREEN ... ODP_PACKET_YELLOW] = { + .min_threshold = PERCENT(70), + .med_threshold = PERCENT(90), + .med_drop_prob = PERCENT(80), + .max_drop_prob = PERCENT(100), + .enable_wred = TRUE, + .use_byte_fullness = FALSE, + }, + + [ODP_PACKET_RED] = { + .min_threshold = PERCENT(40), + .med_threshold = PERCENT(70), + .med_drop_prob = PERCENT(70), + .max_drop_prob = PERCENT(100), + .enable_wred = TRUE, + .use_byte_fullness = FALSE, + }, + } +}; + +static profile_params_set_t COS0_PROFILE_PARAMS = { + .shaper_params = { + .commit_bps = 1 * Mbps, .commit_burst = 100000, + .peak_bps = 4 * Mbps, .peak_burst = 200000, + .dual_rate = FALSE, .shaper_len_adjust = 20 + }, + + .threshold_params = { + .max_pkts = 10000, .enable_max_pkts = TRUE, + .max_bytes = 1000000, .enable_max_bytes = TRUE + }, + + .wred_params = { + [ODP_PACKET_GREEN ... ODP_PACKET_YELLOW] = { + .min_threshold = PERCENT(80), + .med_threshold = PERCENT(90), + .med_drop_prob = PERCENT(50), + .max_drop_prob = PERCENT(100), + .enable_wred = TRUE, + .use_byte_fullness = FALSE, + }, + + [ODP_PACKET_RED] = { + .min_threshold = PERCENT(60), + .med_threshold = PERCENT(80), + .med_drop_prob = PERCENT(70), + .max_drop_prob = PERCENT(100), + .enable_wred = TRUE, + .use_byte_fullness = FALSE, + }, + } +}; + +static profile_params_set_t COS1_PROFILE_PARAMS = { + .shaper_params = { + .commit_bps = 500 * Kbps, .commit_burst = 50000, + .peak_bps = 1500 * Kbps, .peak_burst = 150000, + .dual_rate = FALSE, .shaper_len_adjust = 20 + }, + + .threshold_params = { + .max_pkts = 5000, .enable_max_pkts = TRUE, + .max_bytes = 500000, .enable_max_bytes = TRUE + }, + + .wred_params = { + [ODP_PACKET_GREEN ... ODP_PACKET_YELLOW] = { + .min_threshold = PERCENT(40), + .med_threshold = PERCENT(90), + .med_drop_prob = PERCENT(70), + .max_drop_prob = PERCENT(100), + .enable_wred = TRUE, + .use_byte_fullness = FALSE, + }, + + [ODP_PACKET_RED] = { + .min_threshold = PERCENT(50), + .med_threshold = PERCENT(80), + .med_drop_prob = PERCENT(80), + .max_drop_prob = PERCENT(100), + .enable_wred = TRUE, + .use_byte_fullness = FALSE, + }, + } +}; + +static profile_params_set_t COS2_PROFILE_PARAMS = { + .shaper_params = { + .commit_bps = 200 * Kbps, .commit_burst = 20000, + .peak_bps = 400 * Kbps, .peak_burst = 40000, + .dual_rate = FALSE, .shaper_len_adjust = 20 + }, + + .threshold_params = { + .max_pkts = 1000, .enable_max_pkts = TRUE, + .max_bytes = 100000, .enable_max_bytes = TRUE + }, + + .wred_params = { + [ODP_PACKET_GREEN ... ODP_PACKET_YELLOW] = { + .min_threshold = PERCENT(50), + .med_threshold = PERCENT(80), + .med_drop_prob = PERCENT(70), + .max_drop_prob = PERCENT(100), + .enable_wred = TRUE, + .use_byte_fullness = FALSE, + }, + + [ODP_PACKET_RED] = { + .min_threshold = PERCENT(40), + .med_threshold = PERCENT(70), + .med_drop_prob = PERCENT(80), + .max_drop_prob = PERCENT(100), + .enable_wred = TRUE, + .use_byte_fullness = FALSE, + }, + } +}; + +static profile_params_set_t COS3_PROFILE_PARAMS = { + .shaper_params = { + .commit_bps = 100 * Kbps, .commit_burst = 5000, + .peak_bps = 0, .peak_burst = 0, + .dual_rate = FALSE, .shaper_len_adjust = 20 + }, + + .threshold_params = { + .max_pkts = 400, .enable_max_pkts = TRUE, + .max_bytes = 60000, .enable_max_bytes = TRUE + }, + + .wred_params = { + [ODP_PACKET_GREEN ... ODP_PACKET_YELLOW] = { + .min_threshold = PERCENT(40), + .med_threshold = PERCENT(70), + .med_drop_prob = PERCENT(80), + .max_drop_prob = PERCENT(100), + .enable_wred = TRUE, + .use_byte_fullness = FALSE, + }, + + [ODP_PACKET_RED] = { + .min_threshold = PERCENT(30), + .med_threshold = PERCENT(60), + .med_drop_prob = PERCENT(80), + .max_drop_prob = PERCENT(100), + .enable_wred = TRUE, + .use_byte_fullness = FALSE, + }, + } +}; + +static profile_set_t COMPANY_PROFILE_SET; +static profile_set_t COS_PROFILE_SETS[NUM_SVC_CLASSES]; +static profile_set_t USER_PROFILE_SETS[NUM_SVC_CLASSES]; +static profile_set_t APP_PROFILE_SETS[NUM_SVC_CLASSES][APPS_PER_USER]; + +static odp_tm_t odp_tm_test; + +static odp_pool_t odp_pool; + +static odp_tm_queue_t queue_num_tbls[NUM_SVC_CLASSES][TM_QUEUES_PER_CLASS + 1]; +static uint32_t next_queue_nums[NUM_SVC_CLASSES]; + +static uint8_t random_buf[RANDOM_BUF_LEN]; +static uint32_t next_rand_byte; + +static odp_atomic_u32_t atomic_pkts_into_tm; +static odp_atomic_u32_t atomic_pkts_from_tm; + +static uint32_t g_num_pkts_to_send = 1000; +static uint8_t g_print_tm_stats = TRUE; + +static void tester_egress_fcn(odp_packet_t odp_pkt); + +/** @TODO can't call hidden apis in the implementation */ +void _odp_int_name_tbl_init(void); + +/* Returns the number of errors encountered. */ + +static uint32_t create_profile_set(profile_params_set_t *profile_params_set, + profile_set_t *profile_set, + const char *base_name, + uint32_t name_idx, + uint32_t shaper_scale, + uint32_t threshold_scale) +{ + odp_tm_threshold_params_t threshold_params, *thresholds; + odp_tm_shaper_params_t shaper_params, *shaper; + odp_tm_wred_params_t wred_params, *wred; + uint32_t err_cnt, color; + char name[64], wred_name[64]; + + err_cnt = 0; + if (name_idx == 0) + snprintf(name, sizeof(name), "%s", base_name); + else + snprintf(name, sizeof(name), "%s-%u", base_name, name_idx); + + odp_tm_shaper_params_init(&shaper_params); + shaper = &profile_params_set->shaper_params; + shaper_params.commit_bps = shaper->commit_bps * shaper_scale; + shaper_params.peak_bps = shaper->peak_bps * shaper_scale; + shaper_params.commit_burst = shaper->commit_burst * shaper_scale; + shaper_params.peak_burst = shaper->peak_burst * shaper_scale; + shaper_params.dual_rate = shaper->dual_rate; + shaper_params.shaper_len_adjust = shaper->shaper_len_adjust; + profile_set->shaper_profile = odp_tm_shaper_create(name, + &shaper_params); + if (profile_set->shaper_profile == ODP_TM_INVALID) + err_cnt++; + + odp_tm_threshold_params_init(&threshold_params); + thresholds = &profile_params_set->threshold_params; + threshold_params.max_pkts = thresholds->max_pkts * threshold_scale; + threshold_params.max_bytes = thresholds->max_bytes * threshold_scale; + threshold_params.enable_max_pkts = thresholds->enable_max_pkts; + threshold_params.enable_max_bytes = thresholds->enable_max_bytes; + profile_set->threshold_profile = + odp_tm_threshold_create(name, &threshold_params); + + if (profile_set->threshold_profile == ODP_TM_INVALID) + err_cnt++; + + for (color = 0; color < ODP_NUM_PACKET_COLORS; color++) { + snprintf(wred_name, sizeof(wred_name), "%s-%u", name, color); + + odp_tm_wred_params_init(&wred_params); + wred = &profile_params_set->wred_params[color]; + wred_params.min_threshold = wred->min_threshold; + wred_params.med_threshold = wred->med_threshold; + wred_params.med_drop_prob = wred->med_drop_prob; + wred_params.max_drop_prob = wred->max_drop_prob; + wred_params.enable_wred = wred->enable_wred; + wred_params.use_byte_fullness = wred->use_byte_fullness; + profile_set->wred_profiles[color] = + odp_tm_wred_create(wred_name, &wred_params); + if (profile_set->wred_profiles[color] == ODP_TM_INVALID) + err_cnt++; + } + + return err_cnt; +} + +/* Returns the number of errors encountered. */ + +static uint32_t init_profile_sets(void) +{ + uint32_t class_shaper_scale, class_threshold_scale, user_shaper_scale; + uint32_t user_threshold_scale, err_cnt, app_idx; + + class_shaper_scale = TM_QUEUES_PER_CLASS / 2; + class_threshold_scale = TM_QUEUES_PER_CLASS; + user_shaper_scale = TM_QUEUES_PER_USER / 2; + user_threshold_scale = TM_QUEUES_PER_USER; + err_cnt = 0; + + err_cnt += create_profile_set(&COMPANY_PROFILE_PARAMS, + &COMPANY_PROFILE_SET, + "CompanyProfiles", 0, 1, 1); + + err_cnt += create_profile_set(&COS0_PROFILE_PARAMS, + &COS_PROFILE_SETS[0], "ServiceClass0", 0, + class_shaper_scale, + class_threshold_scale); + err_cnt += create_profile_set(&COS1_PROFILE_PARAMS, + &COS_PROFILE_SETS[1], "ServiceClass1", 0, + class_shaper_scale, + class_threshold_scale); + err_cnt += create_profile_set(&COS2_PROFILE_PARAMS, + &COS_PROFILE_SETS[2], "ServiceClass2", 0, + class_shaper_scale, + class_threshold_scale); + err_cnt += create_profile_set(&COS3_PROFILE_PARAMS, + &COS_PROFILE_SETS[3], "ServiceClass3", 0, + class_shaper_scale, + class_threshold_scale); + + err_cnt += create_profile_set(&COS0_PROFILE_PARAMS, + &USER_PROFILE_SETS[0], "UserSvc0", 0, + user_shaper_scale, user_threshold_scale); + err_cnt += create_profile_set(&COS1_PROFILE_PARAMS, + &USER_PROFILE_SETS[1], "UserSvc1", 0, + user_shaper_scale, user_threshold_scale); + err_cnt += create_profile_set(&COS2_PROFILE_PARAMS, + &USER_PROFILE_SETS[2], "UserSvc2", 0, + user_shaper_scale, user_threshold_scale); + err_cnt += create_profile_set(&COS3_PROFILE_PARAMS, + &USER_PROFILE_SETS[3], "UserSvc3", 0, + user_shaper_scale, user_threshold_scale); + + for (app_idx = 0; app_idx < APPS_PER_USER; app_idx++) { + err_cnt += create_profile_set(&COS0_PROFILE_PARAMS, + &APP_PROFILE_SETS[0][app_idx], + "AppSvc0", app_idx + 1, 1, 1); + err_cnt += create_profile_set(&COS1_PROFILE_PARAMS, + &APP_PROFILE_SETS[1][app_idx], + "AppSvc1", app_idx + 1, 1, 1); + err_cnt += create_profile_set(&COS2_PROFILE_PARAMS, + &APP_PROFILE_SETS[2][app_idx], + "AppSvc2", app_idx + 1, 1, 1); + err_cnt += create_profile_set(&COS3_PROFILE_PARAMS, + &APP_PROFILE_SETS[3][app_idx], + "AppSvc3", app_idx + 1, 1, 1); + } + + return err_cnt; +} + +static int config_example_user(odp_tm_node_t cos_tm_node, + uint8_t svc_class, + uint32_t user_num) +{ + odp_tm_queue_params_t tm_queue_params; + odp_tm_node_params_t tm_node_params; + odp_tm_queue_t tm_queue; + odp_tm_node_t user_tm_node; + profile_set_t *profile_set; + uint32_t app_idx, queue_idx, svc_class_queue_num; + char user_name[64]; + int rc; + + profile_set = &USER_PROFILE_SETS[svc_class]; + + odp_tm_node_params_init(&tm_node_params); + tm_node_params.max_fanin = 64; + tm_node_params.shaper_profile = profile_set->shaper_profile; + tm_node_params.threshold_profile = profile_set->threshold_profile; + tm_node_params.wred_profile[ODP_PACKET_GREEN] = + profile_set->wred_profiles[0]; + tm_node_params.wred_profile[ODP_PACKET_YELLOW] = + profile_set->wred_profiles[1]; + tm_node_params.wred_profile[ODP_PACKET_RED] = + profile_set->wred_profiles[2]; + tm_node_params.level = 2; + + snprintf(user_name, sizeof(user_name), "Subscriber-%u", user_num); + user_tm_node = odp_tm_node_create(odp_tm_test, user_name, + &tm_node_params); + odp_tm_node_connect(user_tm_node, cos_tm_node); + + for (app_idx = 0; app_idx < APPS_PER_USER; app_idx++) { + profile_set = &APP_PROFILE_SETS[svc_class][app_idx]; + for (queue_idx = 0; queue_idx < TM_QUEUES_PER_APP; + queue_idx++) { + odp_tm_queue_params_init(&tm_queue_params); + tm_queue_params.shaper_profile = + profile_set->shaper_profile; + tm_queue_params.threshold_profile = + profile_set->threshold_profile; + tm_queue_params.priority = svc_class; + + tm_queue_params.wred_profile[ODP_PACKET_GREEN] = + profile_set->wred_profiles[ODP_PACKET_GREEN]; + tm_queue_params.wred_profile[ODP_PACKET_YELLOW] = + profile_set->wred_profiles[ODP_PACKET_YELLOW]; + tm_queue_params.wred_profile[ODP_PACKET_RED] = + profile_set->wred_profiles[ODP_PACKET_RED]; + + tm_queue = odp_tm_queue_create(odp_tm_test, + &tm_queue_params); + rc = odp_tm_queue_connect(tm_queue, user_tm_node); + if (rc < 0) + return rc; + + svc_class_queue_num = next_queue_nums[svc_class]++; + queue_num_tbls[svc_class][svc_class_queue_num + 1] = + tm_queue; + } + } + + return 0; +} + +static int config_company_node(const char *company_name) +{ + odp_tm_node_params_t tm_node_params; + profile_set_t *profile_set; + odp_tm_node_t company_tm_node, cos_tm_node; + uint32_t cos_idx, user_idx; + char cos_node_name[64]; + + profile_set = &COMPANY_PROFILE_SET; + odp_tm_node_params_init(&tm_node_params); + tm_node_params.max_fanin = 64; + tm_node_params.shaper_profile = profile_set->shaper_profile; + tm_node_params.threshold_profile = profile_set->threshold_profile; + tm_node_params.wred_profile[ODP_PACKET_GREEN] = + profile_set->wred_profiles[0]; + tm_node_params.wred_profile[ODP_PACKET_YELLOW] = + profile_set->wred_profiles[1]; + tm_node_params.wred_profile[ODP_PACKET_RED] = + profile_set->wred_profiles[2]; + tm_node_params.level = 0; + + company_tm_node = odp_tm_node_create(odp_tm_test, company_name, + &tm_node_params); + + for (cos_idx = 0; cos_idx < NUM_SVC_CLASSES; cos_idx++) { + odp_tm_node_params_init(&tm_node_params); + profile_set = &COS_PROFILE_SETS[cos_idx]; + tm_node_params.max_fanin = 64; + tm_node_params.shaper_profile = profile_set->shaper_profile; + tm_node_params.threshold_profile = + profile_set->threshold_profile; + tm_node_params.level = 1; + + tm_node_params.wred_profile[ODP_PACKET_GREEN] = + profile_set->wred_profiles[ODP_PACKET_GREEN]; + tm_node_params.wred_profile[ODP_PACKET_YELLOW] = + profile_set->wred_profiles[ODP_PACKET_YELLOW]; + tm_node_params.wred_profile[ODP_PACKET_RED] = + profile_set->wred_profiles[ODP_PACKET_RED]; + + snprintf(cos_node_name, sizeof(cos_node_name), "%s-Class-%u", + company_name, cos_idx); + cos_tm_node = odp_tm_node_create(odp_tm_test, cos_node_name, + &tm_node_params); + odp_tm_node_connect(cos_tm_node, company_tm_node); + + for (user_idx = 0; user_idx < USERS_PER_SVC_CLASS; user_idx++) + config_example_user(cos_tm_node, cos_idx, + cos_idx * 256 + user_idx); + } + + odp_tm_node_connect(company_tm_node, ODP_TM_ROOT); + return 0; +} + +static int create_and_config_tm(void) +{ + odp_tm_params_t params; + uint32_t err_cnt; + + odp_tm_params_init(¶ms); + params.capability.max_tm_queues = 10 * NUM_TM_QUEUES; + params.capability.max_priority = 3; + params.capability.max_levels = 3; + params.capability.tm_queue_shaper_supported = TRUE; + params.capability.tm_node_shaper_supported = TRUE; + params.capability.red_supported = TRUE; + params.capability.hierarchical_red_supported = TRUE; + params.capability.weights_supported = TRUE; + params.capability.fair_queuing_supported = TRUE; + params.egress.egress_kind = ODP_TM_EGRESS_FN; + params.egress.egress_fcn = tester_egress_fcn; + + odp_tm_test = odp_tm_create("TM test", ¶ms); + err_cnt = init_profile_sets(); + if (err_cnt != 0) + printf("%s init_profile_sets encountered %u errors\n", + __func__, err_cnt); + + config_company_node("TestCompany"); + return err_cnt; +} + +static uint32_t random_8(void) +{ + uint32_t rand8; + + if (RANDOM_BUF_LEN <= next_rand_byte) { + odp_random_data(random_buf, RANDOM_BUF_LEN, 1); + next_rand_byte = 0; + } + + rand8 = random_buf[next_rand_byte++]; + return rand8; +} + +static uint32_t random_16(void) +{ + uint8_t byte1, byte2; + + if ((RANDOM_BUF_LEN - 1) <= next_rand_byte) { + odp_random_data(random_buf, RANDOM_BUF_LEN, 1); + next_rand_byte = 0; + } + + byte1 = random_buf[next_rand_byte++]; + byte2 = random_buf[next_rand_byte++]; + return (((uint16_t)byte1) << 8) | ((uint16_t)byte2); +} + +static uint32_t pkt_service_class(void) +{ + uint32_t rand8; + + /* Make most of the traffic use service class 3 to increase the amount + * of delayed traffic so as to stimulate more interesting behaviors. + */ + rand8 = random_8(); + switch (rand8) { + case 0 ... 24: return 0; + case 25 ... 49: return 1; + case 50 ... 150: return 2; + case 151 ... 255: return 3; + default: return 3; + } +} + +static odp_packet_t make_odp_packet(uint16_t pkt_len) +{ + odp_packet_t odp_pkt; + uint8_t rand8a, rand8b, pkt_color, drop_eligible; + + rand8a = random_8(); + rand8b = random_8(); + pkt_color = (rand8a < 224) ? 0 : ((rand8a < 248) ? 1 : 2); + drop_eligible = (rand8b < 240) ? 1 : 0; + odp_pkt = odp_packet_alloc(odp_pool, pkt_len); + if (odp_pkt == ODP_PACKET_INVALID) { + printf("%s odp_packet_alloc failure *******\n", __func__); + return 0; + } + + odp_packet_color_set(odp_pkt, pkt_color); + odp_packet_drop_eligible_set(odp_pkt, drop_eligible); + odp_packet_shaper_len_adjust_set(odp_pkt, 24); + return odp_pkt; +} + +void tester_egress_fcn(odp_packet_t odp_pkt ODP_UNUSED) +{ + odp_atomic_inc_u32(&atomic_pkts_from_tm); +} + +static int traffic_generator(uint32_t pkts_to_send) +{ + odp_pool_param_t pool_params; + odp_tm_queue_t tm_queue; + odp_packet_t pkt; + odp_bool_t tm_is_idle; + uint32_t svc_class, queue_num, pkt_len, pkts_into_tm; + uint32_t pkts_from_tm, pkt_cnt, millisecs, odp_tm_enq_errs; + int rc; + + memset(&pool_params, 0, sizeof(odp_pool_param_t)); + pool_params.type = ODP_POOL_PACKET; + pool_params.pkt.num = pkts_to_send + 10; + pool_params.pkt.len = 1600; + pool_params.pkt.seg_len = 0; + pool_params.pkt.uarea_size = 0; + + odp_pool = odp_pool_create("MyPktPool", &pool_params); + odp_tm_enq_errs = 0; + + pkt_cnt = 0; + while (pkt_cnt < pkts_to_send) { + svc_class = pkt_service_class(); + queue_num = random_16() & (TM_QUEUES_PER_CLASS - 1); + tm_queue = queue_num_tbls[svc_class][queue_num + 1]; + pkt_len = ((uint32_t)((random_8() & 0x7F) + 2)) * 32; + pkt_len = MIN(pkt_len, 1500); + pkt = make_odp_packet(pkt_len); + + pkt_cnt++; + rc = odp_tm_enq(tm_queue, pkt); + if (rc < 0) { + odp_tm_enq_errs++; + continue; + } + + odp_atomic_inc_u32(&atomic_pkts_into_tm); + pkts_into_tm = odp_atomic_load_u32(&atomic_pkts_into_tm); + pkts_from_tm = odp_atomic_load_u32(&atomic_pkts_from_tm); + } + + printf("%s odp_tm_enq_errs=%u\n", __func__, odp_tm_enq_errs); + + /* Wait until the main traffic mgmt worker thread is idle and has no + * outstanding events (i.e. no timers, empty work queue, etc), but + * not longer than 60 seconds. + */ + for (millisecs = 0; millisecs < 600000; millisecs++) { + usleep(100); + tm_is_idle = odp_tm_is_idle(odp_tm_test); + if (tm_is_idle) + break; + } + + if (!tm_is_idle) + printf("%s WARNING stopped waiting for the TM system " + "to be IDLE!\n", __func__); + + /* Wait for up to 2 seconds for pkts_from_tm to match pkts_into_tm. */ + for (millisecs = 0; millisecs < 2000; millisecs++) { + usleep(1000); + pkts_into_tm = odp_atomic_load_u32(&atomic_pkts_into_tm); + pkts_from_tm = odp_atomic_load_u32(&atomic_pkts_from_tm); + if (pkts_into_tm <= pkts_from_tm) + break; + } + + return 0; +} + +static int process_cmd_line_options(uint32_t argc, char *argv[]) +{ + uint32_t arg_idx; + char *arg; + + arg_idx = 1; + while (arg_idx < argc) { + arg = argv[arg_idx++]; + if (!arg) { + return -1; + } else if (arg[0] == '-') { + switch (arg[1]) { + case 'n': + if (argc <= arg_idx) + return -1; + g_num_pkts_to_send = + atoi(argv[arg_idx++]); + break; + + case 'q': + g_print_tm_stats = FALSE; + break; + + default: + printf("Unrecognized cmd line option '%s'\n", + arg); + return -1; + } + } else { + /* Currently all cmd line options are '-' flag based. */ + return -1; + } + } + + return 0; +} + +static void signal_handler(int signal) +{ + size_t num_stack_frames; + const char *signal_name; + void *bt_array[128]; + + switch (signal) { + case SIGILL: + signal_name = "SIGILL"; break; + case SIGFPE: + signal_name = "SIGFPE"; break; + case SIGSEGV: + signal_name = "SIGSEGV"; break; + case SIGTERM: + signal_name = "SIGTERM"; break; + case SIGBUS: + signal_name = "SIGBUS"; break; + default: + signal_name = "UNKNOWN"; break; + } + + num_stack_frames = backtrace(bt_array, 100); + printf("Received signal=%u (%s) exiting.", signal, signal_name); + backtrace_symbols_fd(bt_array, num_stack_frames, fileno(stderr)); + fflush(NULL); + sync(); + abort(); +} + +int main(int argc, char *argv[]) +{ + struct sigaction signal_action; + struct rlimit rlimit; + uint32_t pkts_into_tm, pkts_from_tm; + + memset(&signal_action, 0, sizeof(signal_action)); + signal_action.sa_handler = signal_handler; + sigfillset(&signal_action.sa_mask); + sigaction(SIGILL, &signal_action, NULL); + sigaction(SIGFPE, &signal_action, NULL); + sigaction(SIGSEGV, &signal_action, NULL); + sigaction(SIGTERM, &signal_action, NULL); + sigaction(SIGBUS, &signal_action, NULL); + + getrlimit(RLIMIT_CORE, &rlimit); + rlimit.rlim_cur = rlimit.rlim_max; + setrlimit(RLIMIT_CORE, &rlimit); + + odp_init_global(&ODP_INIT_PARAMS, &PLATFORM_PARAMS); + odp_init_local(ODP_THREAD_CONTROL); + _odp_int_name_tbl_init(); + + if (process_cmd_line_options(argc, argv) < 0) + return -1; + + create_and_config_tm(); + + odp_random_data(random_buf, RANDOM_BUF_LEN, 1); + next_rand_byte = 0; + + odp_atomic_init_u32(&atomic_pkts_into_tm, 0); + odp_atomic_init_u32(&atomic_pkts_from_tm, 0); + + traffic_generator(g_num_pkts_to_send); + + pkts_into_tm = odp_atomic_load_u32(&atomic_pkts_into_tm); + pkts_from_tm = odp_atomic_load_u32(&atomic_pkts_from_tm); + printf("pkts_into_tm=%u pkts_from_tm=%u\n", pkts_into_tm, pkts_from_tm); + + odp_tm_stats_print(odp_tm_test); + return 0; +}