Hi Maxim,
Thank you. I will fix it in the next version.
Forrest
On 6 February 2017 at 21:10, Maxim Uvarov <maxim.uva...@linaro.org> wrote:
> Hello Xuelin,
>
> new example also needs 'make check' test.
>
> please see some comments bellow also.
>
> On 02/06/17 04:35, forrest....@linaro.org wrote:
> > From: Xuelin Shi <forrest....@linaro.org>
> >
> > introduce a new example of traffic management with following features:
> > - multiple TM threads: one TM thread for each pktio
> > - for small system less than 4 cores, only one TM thread created.
> > - receiving packets from multiple pktios other than generating packets
> > - identifying TM user by ip with individual class of service
> > - print the user service while starting the program
> > - print the packets counts every 10 seconds for each user
> >
> > Signed-off-by: Xuelin Shi <forrest....@linaro.org>
> > ---
> > change history:
> > v2: rebase to latest code
> >
> > example/Makefile.am | 3 +-
> > example/m4/configure.m4 | 1 +
> > example/traffic_mgmt_multi/.gitignore | 3 +
> > example/traffic_mgmt_multi/Makefile.am | 10 +
> > example/traffic_mgmt_multi/odp_traffic_mgmt.c | 864
> +++++++++++++++++++++++++
> > example/traffic_mgmt_multi/odp_traffic_mgmt.h | 48 ++
> > example/traffic_mgmt_multi/odp_traffic_pktio.c | 794
> +++++++++++++++++++++++
> > 7 files changed, 1722 insertions(+), 1 deletion(-)
> > create mode 100644 example/traffic_mgmt_multi/.gitignore
> > create mode 100644 example/traffic_mgmt_multi/Makefile.am
> > create mode 100644 example/traffic_mgmt_multi/odp_traffic_mgmt.c
> > create mode 100644 example/traffic_mgmt_multi/odp_traffic_mgmt.h
> > create mode 100644 example/traffic_mgmt_multi/odp_traffic_pktio.c
> >
> > diff --git a/example/Makefile.am b/example/Makefile.am
> > index dfc07b6..9e21989 100644
> > --- a/example/Makefile.am
> > +++ b/example/Makefile.am
> > @@ -8,4 +8,5 @@ SUBDIRS = classifier \
> > switch \
> > time \
> > timer \
> > - traffic_mgmt
> > + traffic_mgmt \
> > + traffic_mgmt_multi
> > diff --git a/example/m4/configure.m4 b/example/m4/configure.m4
> > index 620db04..3bf48bd 100644
> > --- a/example/m4/configure.m4
> > +++ b/example/m4/configure.m4
> > @@ -21,4 +21,5 @@ AC_CONFIG_FILES([example/classifier/Makefile
> > example/time/Makefile
> > example/timer/Makefile
> > example/traffic_mgmt/Makefile
> > + example/traffic_mgmt_multi/Makefile
> > example/Makefile])
> > diff --git a/example/traffic_mgmt_multi/.gitignore
> b/example/traffic_mgmt_multi/.gitignore
> > new file mode 100644
> > index 0000000..d8f5468
> > --- /dev/null
> > +++ b/example/traffic_mgmt_multi/.gitignore
> > @@ -0,0 +1,3 @@
> > +odp_traffic_mgmt
> > +*.log
> > +*.trs
> > diff --git a/example/traffic_mgmt_multi/Makefile.am
> b/example/traffic_mgmt_multi/Makefile.am
> > new file mode 100644
> > index 0000000..3f68e11
> > --- /dev/null
> > +++ b/example/traffic_mgmt_multi/Makefile.am
> > @@ -0,0 +1,10 @@
> > +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
> -I${top_srcdir}/test
> > +
> > +noinst_HEADERS = $(top_srcdir)/example/example_debug.h \
> > + $(top_srcdir)/example/traffic_
> mgmt_multi/odp_traffic_mgmt.h
> > +
> > +dist_odp_traffic_mgmt_SOURCES = odp_traffic_mgmt.c odp_traffic_pktio.c
> > diff --git a/example/traffic_mgmt_multi/odp_traffic_mgmt.c
> b/example/traffic_mgmt_multi/odp_traffic_mgmt.c
> > new file mode 100644
> > index 0000000..3879f8e
> > --- /dev/null
> > +++ b/example/traffic_mgmt_multi/odp_traffic_mgmt.c
> > @@ -0,0 +1,864 @@
> > +/* Copyright 2015 EZchip Semiconductor Ltd. All Rights Reserved.
> > + *
>
> New example is not from EZchip. This needs to be removed.
>
>
> > + * Copyright (c) 2015, Linaro Limited
>
>
> year has to be 2017.
>
> > + * All rights reserved.
> > + *
> > + * SPDX-License-Identifier: BSD-3-Clause
> > + */
> > +
> > +#define _GNU_SOURCE
> > +
> > +#include <unistd.h>
> > +#include <stdio.h>
> > +#include <signal.h>
> > +#include <inttypes.h>
> > +#include <sys/resource.h>
> > +#include <execinfo.h>
> > +#include <odp_api.h>
> > +#include <example_debug.h>
> > +#include <odp/helper/ip.h>
> > +
> > +#include "odp_traffic_mgmt.h"
> > +
> > +#define TM_USER_IP_START 0x01010101
> > +#define NUM_SVC_CLASSES 4
> > +#define USERS_PER_SVC_CLASS 2
> > +#define APPS_PER_USER 1
> > +#define TM_QUEUES_PER_APP 1
> > +#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 MAX_NODES_PER_LEVEL (NUM_USERS * APPS_PER_USER)
> > +
> > +#define MAX_NB_PKTIO 32
> > +#define MAX_NB_USERS (NUM_USERS * APPS_PER_USER * MAX_NB_PKTIO)
> > +
> > +#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 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 = FALSE,
> > + .max_bytes = 100000, .enable_max_bytes = FALSE
> > + },
> > +
> > + .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 = FALSE,
> > + .max_bytes = 60000, .enable_max_bytes = FALSE
> > + },
> > +
> > + .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 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 uint8_t random_buf[RANDOM_BUF_LEN];
> > +static uint32_t next_rand_byte;
> > +odp_atomic_u64_t atomic_pkts_into_tm;
> > +odp_atomic_u64_t atomic_pkts_from_tm;
> > +
> > +typedef struct {
> > + struct {
> > + odp_atomic_u64_t tm_pkts_in;
> > + odp_atomic_u64_t tm_bytes_in;
> > + odp_atomic_u64_t tm_pkts_out;
> > + odp_atomic_u64_t tm_bytes_out;
> > + } s; /* statistics info for each user of tm */
> > + uint64_t max_pkts_limit; /* max packets allowed for this user */
> > + uint64_t max_bytes_limit; /* max bytes allowed for this user */
> > + odp_bool_t enable_pkts_limit; /* max packets limit is valid */
> > + odp_bool_t enable_bytes_limit; /* max bytes limit is valid */
> > + uint32_t ipaddr; /* user ipaddr */
> > + int svc; /* service class */
> > + struct tm_cfg_port_s *tmp; /* coming from which port */
> > +} tm_user_t;
> > +
> > +/* tm config and profile for each interface */
> > +typedef struct tm_cfg_port_s {
> > + int port_id;
> > + profile_set_t port_profile;
> > + odp_tm_t odp_tm;
> > + uint32_t next_queue_nums[NUM_SVC_CLASSES];
> > + odp_tm_queue_t queue_num_tbls[NUM_SVC_CLASSES][TM_QUEUES_PER_CLASS
> + 1];
> > +} tm_port_config_t;
> > +
> > +/* statistics value info, used for param pass */
> > +typedef struct {
> > + uint64_t pkts_in;
> > + uint64_t pkts_out;
> > + uint64_t bytes_in;
> > + uint64_t bytes_out;
> > +} stat_info_t;
> > +
> > +static tm_user_t tm_users[MAX_NB_USERS];
> > +static int nb_tm_users;
> > +static tm_port_config_t tm_port_profiles[MAX_NB_PKTIO];
> > +static int nb_tm_odp;
> > +
> > +static profile_params_set_t *cos_profile_params[NUM_SVC_CLASSES] = {
> > + &COS0_PROFILE_PARAMS,
> > + &COS1_PROFILE_PARAMS,
> > + &COS2_PROFILE_PARAMS,
> > + &COS3_PROFILE_PARAMS
> > +};
> > +
> > +static void tester_egress_fcn(odp_packet_t odp_pkt);
> > +
> > +/* 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;
> > +}
> > +
> > +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 = 1;
> > + class_threshold_scale = 1;
> > + user_shaper_scale = 1;
> > + user_threshold_scale = 1;
> > + err_cnt = 0;
> > +
> > + 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(tm_port_config_t *tmp,
> > + odp_tm_node_t cos_tm_node,
> > + uint8_t svc_class,
> > + uint32_t user_num)
> > +{
> > + odp_tm_t odp_tm_test;
> > + 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, qnum;
> > + char user_name[64];
> > + int rc, numq = 0;
> > +
> > + odp_tm_test = tmp->odp_tm;
> > + 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), "port%d-sub%u",
> > + tmp->port_id, 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;
> > +
> > + numq++;
> > + qnum = tmp->next_queue_nums[svc_class];
> > + tmp->next_queue_nums[svc_class]++;
> > + tmp->queue_num_tbls[svc_class][qnum + 1] =
> tm_queue;
> > + }
> > + }
> > +
> > + return 0;
> > +}
> > +
> > +static int config_company_node(const char *company_name,
> tm_port_config_t *tmp)
> > +{
> > + profile_params_set_t *param;
> > + odp_tm_node_params_t tm_node_params;
> > + profile_set_t *profile_set;
> > + odp_tm_node_t company_tm_node, cos_tm_node;
> > + odp_tm_t odp_tm_test;
> > + uint32_t cos_idx, user_idx;
> > + char cos_node_name[64];
> > +
> > + profile_set = &tmp->port_profile;
> > + 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;
> > +
> > + odp_tm_test = tmp->odp_tm;
> > + 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);
> > +
> > + param = cos_profile_params[cos_idx];
> > + for (user_idx = 0; user_idx < USERS_PER_SVC_CLASS;
> user_idx++) {
> > + tm_user_t *u;
> > +
> > + config_example_user(tmp, cos_tm_node, cos_idx,
> > + cos_idx * 256 + user_idx);
> > + u = &tm_users[nb_tm_users];
> > + u->svc = cos_idx;
> > + u->ipaddr = TM_USER_IP_START + nb_tm_users;
> > +
> > + u->max_bytes_limit = param->threshold_params.max_
> bytes;
> > + u->max_pkts_limit = param->threshold_params.max_
> pkts;
> > + u->tmp = tmp;
> > +
> > + if (param->threshold_params.enable_max_pkts)
> > + u->enable_pkts_limit = TRUE;
> > +
> > + if (param->threshold_params.enable_max_bytes)
> > + u->enable_bytes_limit = TRUE;
> > + nb_tm_users++;
> > + }
> > + }
> > +
> > + odp_tm_node_connect(company_tm_node, ODP_TM_ROOT);
> > +
> > + return 0;
> > +}
> > +
> > +static int create_and_config_tm(int nb_pktio)
> > +{
> > + odp_tm_level_requirements_t *per_level;
> > + odp_tm_requirements_t requirements;
> > + odp_tm_egress_t egress;
> > + uint32_t level, err_cnt;
> > + int i;
> > + char tm_name[64];
> > +
> > + err_cnt = init_profile_sets();
> > + if (err_cnt != 0) {
> > + printf("%s init_profile_sets encountered %u errors\n",
> > + __func__, err_cnt);
> > +
> > + return 0;
> > + }
> > +
> > + odp_tm_requirements_init(&requirements);
> > + odp_tm_egress_init(&egress);
> > +
> > + requirements.max_tm_queues = 10 * NUM_TM_QUEUES;
> > + requirements.num_levels = 3;
> > + requirements.tm_queue_shaper_needed = true;
> > + requirements.tm_queue_wred_needed = true;
> > +
> > + for (level = 0; level < 3; level++) {
> > + per_level = &requirements.per_level[level];
> > + per_level->max_num_tm_nodes = MAX_NODES_PER_LEVEL;
> > + per_level->max_fanin_per_node = 64;
> > + per_level->max_priority = 3;
> > + per_level->min_weight = 1;
> > + per_level->max_weight = 255;
> > + per_level->tm_node_shaper_needed = true;
> > + per_level->tm_node_wred_needed = true;
> > + per_level->tm_node_dual_slope_needed = true;
> > + per_level->fair_queuing_needed = true;
> > + per_level->weights_needed = true;
> > + }
> > +
> > + egress.egress_kind = ODP_TM_EGRESS_FN;
> > + egress.egress_fcn = tester_egress_fcn;
> > +
> > + for (i = 0; i < nb_pktio; i++) {
> > + tm_port_config_t *tmp;
> > +
> > + tmp = &tm_port_profiles[i];
> > + tmp->port_id = i;
> > + snprintf(tm_name, 64, "TM-test-%d", i);
> > + tmp->odp_tm = odp_tm_create(tm_name, &requirements,
> &egress);
> > + if (tmp->odp_tm == ODP_TM_INVALID)
> > + break;
> > +
> > + snprintf(tm_name, 64, "PortPorfiles-%d", i);
> > + if (create_profile_set(&COMPANY_PROFILE_PARAMS,
> > + &tmp->port_profile, tm_name, 0, 1,
> 1))
> > + break;
> > +
> > + snprintf(tm_name, 64, "TestPort-%d", i);
> > + config_company_node(tm_name, tmp);
> > + }
> > + nb_tm_odp = i;
> > +
> > + return i;
> > +}
> > +
> > +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 inline uint32_t pkt_to_user(odp_packet_t pkt)
> > +{
> > + odph_ipv4hdr_t *ip;
> > + uint32_t idx;
> > +
> > + ip = odp_packet_l3_ptr(pkt, NULL);
> > + idx = odp_be_to_cpu_32(ip->src_addr) - TM_USER_IP_START;
> > +
> > + return idx & (nb_tm_users - 1);
> > +}
> > +
> > +/**
> > + * find the packet from which user and eligible for which service.
> > + * this should be a lookup table implementation. Here for simplicity,
> > + * only check last byte of ip src addr to classify the users.
> > + */
> > +static inline uint32_t pkt_service_class(odp_packet_t pkt)
> > +{
> > + uint32_t idx;
> > + tm_user_t *u;
> > +
> > + idx = pkt_to_user(pkt);
> > + u = &tm_users[idx];
> > +
> > + return u->svc;
> > +}
> > +
> > +void tester_egress_fcn(odp_packet_t odp_pkt)
> > +{
> > + tm_user_t *u;
> > + uint32_t idx = pkt_to_user(odp_pkt);
> > +
> > + odp_atomic_inc_u64(&atomic_pkts_from_tm);
> > + u = &tm_users[idx];
> > + odp_atomic_inc_u64(&u->s.tm_pkts_out);
> > + odp_atomic_add_u64(&u->s.tm_bytes_out, odp_packet_len(odp_pkt));
> > +
> > + /* not forwarding, need to free, otherwise packet pool will be
> full */
> > + odp_packet_free(odp_pkt);
> > +}
> > +
> > +int tm_send_packet(odp_packet_t pkt)
> > +{
> > + uint8_t rand8a, rand8b, pkt_color, drop_eligible;
> > + uint32_t svc_class, queue_num, idx;
> > + uint64_t bytes_in;
> > + int rc;
> > + tm_user_t *u;
> > + odp_tm_queue_t tm_queue;
> > +
> > + idx = pkt_to_user(pkt);
> > + u = &tm_users[idx];
> > + if (u->enable_pkts_limit &&
> > + u->max_pkts_limit <= odp_atomic_load_u64(&u->s.tm_pkts_in))
> > + return -1;
> > +
> > + bytes_in = odp_atomic_load_u64(&u->s.tm_bytes_in);
> > + if (u->enable_bytes_limit &&
> > + u->max_bytes_limit <= bytes_in + odp_packet_len(pkt))
> > + return -1;
> > +
> > + rand8a = random_8();
> > + rand8b = random_8();
> > + pkt_color = (rand8a < 224) ? 0 : ((rand8a < 248) ? 1 : 2);
> > + drop_eligible = (rand8b < 240) ? 1 : 0;
> > + odp_packet_color_set(pkt, pkt_color);
> > + odp_packet_drop_eligible_set(pkt, drop_eligible);
> > + odp_packet_shaper_len_adjust_set(pkt, 24);
> > +
> > + svc_class = pkt_service_class(pkt);
> > + queue_num = random_16() & (TM_QUEUES_PER_CLASS - 1);
> > + tm_queue = u->tmp->queue_num_tbls[svc_class][queue_num + 1];
> > + rc = odp_tm_enq(tm_queue, pkt);
> > + if (rc > 0) {
> > + odp_atomic_inc_u64(&atomic_pkts_into_tm);
> > + odp_atomic_inc_u64(&u->s.tm_pkts_in);
> > + odp_atomic_add_u64(&u->s.tm_bytes_in,
> odp_packet_len(pkt));
> > + }
> > +
> > + return rc;
> > +}
> > +
> > +int tm_config_and_init(int nb_pktio)
> > +{
> > + int i, rc;
> > + tm_user_t *u;
> > +
> > + if (NUM_USERS < NUM_SVC_CLASSES * USERS_PER_SVC_CLASS ||
> > + MAX_NB_PKTIO < nb_pktio)
> > + return 0;
> > +
> > + odp_atomic_init_u64(&atomic_pkts_into_tm, 0);
> > + odp_atomic_init_u64(&atomic_pkts_from_tm, 0);
> > +
> > + for (i = 0; i < MAX_NB_USERS; i++) {
> > + u = &tm_users[i];
> > + odp_atomic_init_u64(&u->s.tm_pkts_in, 0);
> > + odp_atomic_init_u64(&u->s.tm_pkts_out, 0);
> > + odp_atomic_init_u64(&u->s.tm_bytes_in, 0);
> > + odp_atomic_init_u64(&u->s.tm_bytes_out, 0);
> > + }
> > +
> > + rc = create_and_config_tm(nb_pktio);
> > + if (!rc) {
> > + odp_random_data(random_buf, RANDOM_BUF_LEN, 1);
> > + next_rand_byte = 0;
> > + }
> > +
> > + return rc;
> > +}
> > +
> > +static void tm_print_stat_impl(int interval, stat_info_t *prev)
> > +{
> > + int i;
> > +
> > + printf("\nTM toal pkts_in=%" PRIu64 ", pkts_out=%" PRIu64 "\n",
> > + odp_atomic_load_u64(&atomic_pkts_into_tm),
> > + odp_atomic_load_u64(&atomic_pkts_from_tm));
> > +
> > + printf("----------------------\n");
> > + for (i = 0; i < nb_tm_users; i++) {
> > + uint64_t bps;
> > + tm_user_t *u;
> > + stat_info_t si, *prev_si;
> > +
> > + u = &tm_users[i];
> > + prev_si = &prev[i];
> > + si.pkts_in = odp_atomic_load_u64(&u->s.tm_pkts_in);
> > + si.pkts_out = odp_atomic_load_u64(&u->s.tm_pkts_out);
> > + si.bytes_in = odp_atomic_load_u64(&u->s.tm_bytes_in);
> > + si.bytes_out = odp_atomic_load_u64(&u->s.tm_bytes_out);
> > + bps = (si.bytes_out - prev_si->bytes_out) * 8 / interval;
> > + *prev_si = si;
> > +
> > + printf("user %d: pkts_in=%" PRIu64 ", pkts_out=%" PRIu64
> > + ", bytes_in=%" PRIu64 ", bytes_out=%" PRIu64
> > + ", bps=%" PRIu64 "\n", i, si.pkts_in, si.pkts_out,
> > + si.bytes_in, si.bytes_out, bps);
> > + }
> > +
> > + printf("\n");
> > +}
> > +
> > +void tm_print_stat(int duration, int interval)
> > +{
> > + int i;
> > + int elapsed = 0;
> > + int loop_forever = (duration == 0);
> > + stat_info_t prev[MAX_NB_USERS];
> > +
> > + for (i = 0; i < nb_tm_users; i++) {
> > + tm_user_t *u;
> > + stat_info_t *si;
> > +
> > + u = &tm_users[i];
> > + si = &prev[i];
> > + si->pkts_in = odp_atomic_load_u64(&u->s.tm_pkts_in);
> > + si->pkts_out = odp_atomic_load_u64(&u->s.tm_pkts_out);
> > + si->bytes_in = odp_atomic_load_u64(&u->s.tm_bytes_in);
> > + si->bytes_out = odp_atomic_load_u64(&u->s.tm_bytes_out);
> > + }
> > +
> > + do {
> > + sleep(interval);
> > + tm_print_stat_impl(interval, &prev[0]);
> > + elapsed += interval;
> > + } while (loop_forever || (elapsed < duration));
> > +}
> > +
> > +void tm_print_user_cos(void)
> > +{
> > + int i;
> > + char buf[80];
> > +
> > + printf("\nClass Of Service\n"
> > + "----------------------\n");
> > +
> > + for (i = 0; i < NUM_SVC_CLASSES; i++) {
> > + profile_params_set_t *p;
> > + char *b = buf;
> > + int n;
> > +
> > + p = cos_profile_params[i];
> > + snprintf(buf, 32, "COS%d:", i);
> > + printf("%-12s%-16scommit bps=%" PRIu64 ", burst=%d\n",
> > + buf, "shaper: ", p->shaper_params.commit_bps,
> > + p->shaper_params.commit_burst);
> > + printf("%-28speak bps=%" PRIu64 ", burst=%d\n", "",
> > + p->shaper_params.peak_bps,
> > + p->shaper_params.peak_burst);
> > +
> > + n = snprintf(buf, 80, "%-12s%-16s", "", "threshold: ");
> > + b = buf + n;
> > + if (p->threshold_params.enable_max_pkts) {
> > + n = snprintf(b, 80, "max pkts=%" PRIu64,
> > + p->threshold_params.max_pkts);
> > + b += n;
> > + }
> > + if (p->threshold_params.enable_max_bytes) {
> > + n = snprintf(b, 80, ", bytes=%" PRIu64,
> > + p->threshold_params.max_bytes);
> > + b += n;
> > + }
> > + printf("%s\n", buf);
> > + }
> > + printf("\nTM Users\n"
> > + "--%6s----%6s--------%3s--\n", "userid", "ipaddr", "cos");
> > + for (i = 0; i < nb_tm_users; i++) {
> > + uint8_t *p;
> > + tm_user_t *u;
> > +
> > + u = &tm_users[i];
> > + p = (uint8_t *)&u->ipaddr;
> > + snprintf(buf, 16, "%d.%d.%d.%d", p[3], p[2], p[1], p[0]);
> > + printf("%6d %10s %8d\n", i, buf, u->svc);
> > + }
> > + printf("\n");
> > +}
> > diff --git a/example/traffic_mgmt_multi/odp_traffic_mgmt.h
> b/example/traffic_mgmt_multi/odp_traffic_mgmt.h
> > new file mode 100644
> > index 0000000..4bbc137
> > --- /dev/null
> > +++ b/example/traffic_mgmt_multi/odp_traffic_mgmt.h
> > @@ -0,0 +1,48 @@
> > +/* Copyright (c) 2016, Linaro Limited
> > + * All rights reserved.
> > + *
> > + * SPDX-License-Identifier: BSD-3-Clause
> > + */
> > +
> > +#ifndef _ODP_TRAFFIC_MODULE_H_
> > +#define _ODP_TRAFFIC_MODULE_H_
> > +
> > +#ifdef __cplusplus
> > +extern "C" {
> > +#endif
> > +
> > +/**
> > + * Config and initialize the tm system.
> > + *
> > + * @param nb_pktio number of pktios for the tm
> > + * @return 0 if success else -1
> > + */
> > +int tm_config_and_init(int nb_pktio);
> > +
> > +/**
> > + * Print tm user stastics for each interval seconds
> > + *
> > + * @param duration how many seconds this function will run
> > + * @param interval how many seconds for each print
> > + */
> > +void tm_print_stat(int duration, int interval);
> > +
> > +/**
> > + * Print tm service information for a user
> > + */
> > +void tm_print_user_cos(void);
> > +
> > +/**
> > + * Send packets to traffic management system
> > + *
> > + * @param pkt the packet will be sent
> > + *
> > + * @return 1 if success else <= 0
> > + */
> > +int tm_send_packet(odp_packet_t pkt);
> > +
> > +#ifdef __cplusplus
> > +}
> > +#endif
> > +
> > +#endif
> > diff --git a/example/traffic_mgmt_multi/odp_traffic_pktio.c
> b/example/traffic_mgmt_multi/odp_traffic_pktio.c
> > new file mode 100644
> > index 0000000..9f408fd
> > --- /dev/null
> > +++ b/example/traffic_mgmt_multi/odp_traffic_pktio.c
> > @@ -0,0 +1,794 @@
> > +/* Copyright (c) 2016, Linaro Limited
> > + * All rights reserved.
> > + *
> > + * SPDX-License-Identifier: BSD-3-Clause
> > + */
> > +
> > +/**
> > + * @file
> > + *
> > + * @example odp_traffic_mgmt.c
> > + */
> > +
> > +/** enable strtok */
> > +#ifndef _GNU_SOURCE
> > +#define _GNU_SOURCE
> > +#endif
> > +
> > +#include <stdio.h>
> > +#include <stdlib.h>
> > +#include <signal.h>
> > +#include <getopt.h>
> > +#include <unistd.h>
> > +#include <errno.h>
> > +#include <inttypes.h>
> > +#include <sys/resource.h>
> > +#include <execinfo.h>
> > +#include <test_debug.h>
> > +
> > +#include <odp_api.h>
> > +#include <odp/helper/linux.h>
> > +#include <odp/helper/eth.h>
> > +#include <odp/helper/ip.h>
> > +
> > +#include "odp_traffic_mgmt.h"
> > +
> > +/** @def MAX_WORKERS
> > + * @brief Maximum number of worker threads
> > + */
> > +#define MAX_WORKERS 32
> > +
> > +/** @def SHM_PKT_POOL_SIZE
> > + * @brief Size of the shared memory block
> > + */
> > +#define SHM_PKT_POOL_SIZE 8192
> > +
> > +/** @def SHM_PKT_POOL_BUF_SIZE
> > + * @brief Buffer size of the packet pool buffer
> > + */
> > +#define SHM_PKT_POOL_BUF_SIZE 1856
> > +
> > +/** @def MAX_PKT_BURST
> > + * @brief Maximum number of packet in a burst
> > + */
> > +#define MAX_PKT_BURST 32
> > +
> > +/** Maximum number of pktio queues per interface */
> > +#define MAX_QUEUES 32
> > +
> > +/** Maximum number of pktio interfaces */
> > +#define MAX_PKTIOS 8
> > +
> > +/** Default seconds to run */
> > +#define DEFAULT_RUN_SECONDS 60
> > +
> > +/** Get rid of path in filename - only for unix-type paths using '/' */
> > +#define NO_PATH(file_name) (strrchr((file_name), '/') ? \
> > + strrchr((file_name), '/') + 1 : (file_name))
> > +/**
> > + * Parsed command line application arguments
> > + */
> > +typedef struct {
> > + int cpu_count;
> > + int duration; /**< Number of seconds to run */
> > + int if_count; /**< Number of interfaces to be used */
> > + int num_workers; /**< Number of worker threads */
> > + char **if_names; /**< Array of pointers to interface names
> */
> > + char *if_str; /**< Storage for interface names */
> > + int error_check; /**< Check packet errors */
> > +} appl_args_t;
> > +
> > +static int exit_threads; /**< Break workers loop if set to 1 */
> > +
> > +static const odp_init_t ODP_INIT_PARAMS = {
> > + .log_fn = odp_override_log,
> > + .abort_fn = odp_override_abort
> > +};
> > +
> > +/**
> > + * Statistics
> > + */
> > +typedef union {
> > + struct {
> > + /** Number of packets received */
> > + odp_atomic_u64_t packets;
> > + odp_atomic_u64_t bytes;
> > + /** Packets dropped due to receive error */
> > + odp_atomic_u64_t rx_drops;
> > + odp_atomic_u64_t rx_drop_bytes;
> > + /** Packets dropped due to enqueue traffic management
> error */
> > + odp_atomic_u64_t tm_drops;
> > + odp_atomic_u64_t tm_drop_bytes;
> > + } s;
> > +
> > + uint8_t padding[ODP_CACHE_LINE_SIZE];
> > +} stats_t ODP_ALIGNED_CACHE;
> > +
> > +/**
> > + * Thread specific arguments
> > + */
> > +typedef struct thread_args_t {
> > + uint64_t pkts;
> > +
> > + int thr_idx;
> > + int num_pktio;
> > +
> > + struct {
> > + odp_pktio_t rx_pktio;
> > + odp_pktin_queue_t pktin;
> > + odp_queue_t rx_queue;
> > + int rx_idx;
> > + int rx_queue_idx;
> > + } pktio[MAX_PKTIOS];
> > +} thread_args_t;
> > +
> > +/**
> > + * Grouping of all global data
> > + */
> > +typedef struct {
> > + /** Application (parsed) arguments */
> > + appl_args_t appl;
> > + /** Thread specific arguments */
> > + thread_args_t thread[MAX_WORKERS];
> > +
> > + /** Table of pktio handles */
> > + struct {
> > + odp_pktio_t pktio;
> > + odp_pktin_queue_t pktin[MAX_QUEUES];
> > + odp_queue_t rx_q[MAX_QUEUES];
> > + int num_rx_thr;
> > + int num_rx_queue;
> > + int next_rx_queue;
> > + } pktios[MAX_PKTIOS];
> > +} args_t;
> > +
> > +/** Global pointer to args */
> > +static args_t *gbl_args;
> > +/** Global barrier to synchronize main and workers */
> > +static odp_barrier_t barrier;
> > +
> > +/**
> > + * Drop packets which input parsing marked as containing errors.
> > + *
> > + * Frees packets with error and modifies pkt_tbl[] to only contain
> packets with
> > + * no detected errors.
> > + *
> > + * @param pkt_tbl Array of packets
> > + * @param num Number of packets in pkt_tbl[]
> > + *
> > + * @return Number of packets dropped
> > + */
> > +static inline int drop_err_pkts(odp_packet_t pkt_tbl[], unsigned num)
> > +{
> > + odp_packet_t pkt;
> > + unsigned dropped = 0;
> > + unsigned i, j;
> > +
> > + for (i = 0, j = 0; i < num; ++i) {
> > + pkt = pkt_tbl[i];
> > +
> > + if (odp_unlikely(odp_packet_has_error(pkt))) {
> > + odp_packet_free(pkt); /* Drop */
> > + dropped++;
> > + } else if (odp_unlikely(i != j++)) {
> > + pkt_tbl[j - 1] = pkt;
> > + }
> > + }
> > +
> > + return dropped;
> > +}
> > +
> > +/**
> > + * Packet IO worker thread accessing IO resources directly
> > + *
> > + * @param arg thread arguments of type 'thread_args_t *'
> > + */
> > +static int run_worker_direct_mode(void *arg)
> > +{
> > + int thr;
> > + int pkts, i;
> > + odp_packet_t pkt_tbl[MAX_PKT_BURST];
> > + int num_pktio;
> > + odp_pktin_queue_t pktin;
> > + int pktio = 0;
> > + thread_args_t *thr_args = arg;
> > +
> > + thr = odp_thread_id();
> > +
> > + num_pktio = thr_args->num_pktio;
> > + pktin = thr_args->pktio[pktio].pktin;
> > +
> > + printf("[%02i] num pktios %i, PKTIN_DIRECT\n", thr, num_pktio);
> > +
> > + /* Loop packets */
> > + while (!exit_threads) {
> > + if (num_pktio > 1) {
> > + pktin = thr_args->pktio[pktio].pktin;
> > + pktio++;
> > + if (pktio == num_pktio)
> > + pktio = 0;
> > + }
> > +
> > + pkts = odp_pktin_recv(pktin, pkt_tbl, MAX_PKT_BURST);
> > + if (odp_unlikely(pkts <= 0))
> > + continue;
> > +
> > + if (gbl_args->appl.error_check) {
> > + int rx_drops;
> > +
> > + /* Drop packets with errors */
> > + rx_drops = drop_err_pkts(pkt_tbl, pkts);
> > +
> > + if (odp_unlikely(rx_drops)) {
> > + if (pkts == rx_drops)
> > + continue;
> > +
> > + pkts -= rx_drops;
> > + }
> > + }
> > +
> > + for (i = 0; i < pkts; i++) {
> > + /* try to send packets to Traffic Management
> System */
> > + if (tm_send_packet(pkt_tbl[i]) <= 0)
> > + odp_packet_free(pkt_tbl[i]);
> > + }
> > + }
> > +
> > + /* Make sure that latest stat writes are visible to other threads
> */
> > + odp_mb_full();
> > +
> > + return 0;
> > +}
> > +
> > +/**
> > + * Create a pktio handle, optionally associating a default input queue.
> > + *
> > + * @param dev Name of device to open
> > + * @param index Pktio index
> > + * @param pool Pool to associate with device for packet RX/TX
> > + *
> > + * @retval 0 on success
> > + * @retval -1 on failure
> > + */
> > +static int create_pktio(const char *dev, int idx, int num_rx,
> odp_pool_t pool)
> > +{
> > + odp_pktio_t pktio;
> > + odp_pktio_param_t pktio_param;
> > + odp_pktio_capability_t capa;
> > + odp_pktin_queue_param_t pktin_param;
> > + odp_pktio_op_mode_t mode_rx;
> > +
> > + odp_pktio_param_init(&pktio_param);
> > +
> > + pktio = odp_pktio_open(dev, pool, &pktio_param);
> > + if (pktio == ODP_PKTIO_INVALID) {
> > + LOG_ERR("Error: failed to open %s\n", dev);
> > + return -1;
> > + }
> > +
> > + printf("created pktio %" PRIu64 " (%s)\n",
> > + odp_pktio_to_u64(pktio), dev);
> > +
> > + if (odp_pktio_capability(pktio, &capa)) {
> > + LOG_ERR("Error: capability query failed %s\n", dev);
> > + return -1;
> > + }
> > +
> > + odp_pktin_queue_param_init(&pktin_param);
> > +
> > + mode_rx = ODP_PKTIO_OP_MT_UNSAFE;
> > +
> > + if (num_rx > (int)capa.max_input_queues) {
> > + printf("Sharing %i input queues between %i workers\n",
> > + capa.max_input_queues, num_rx);
> > + num_rx = capa.max_input_queues;
> > + mode_rx = ODP_PKTIO_OP_MT;
> > + }
> > +
> > + pktin_param.hash_enable = 1;
> > + pktin_param.hash_proto.proto.ipv4_udp = 1;
> > + pktin_param.num_queues = num_rx;
> > + pktin_param.op_mode = mode_rx;
> > +
> > + if (odp_pktin_queue_config(pktio, &pktin_param)) {
> > + LOG_ERR("Error: input queue config failed %s\n", dev);
> > + return -1;
> > + }
> > +
> > + if (odp_pktin_queue(pktio, gbl_args->pktios[idx].pktin,
> > + num_rx) != num_rx) {
> > + LOG_ERR("Error: pktin queue query failed %s\n", dev);
> > + return -1;
> > + }
> > +
> > + printf("created %i input on (%s)\n", num_rx, dev);
> > +
> > + gbl_args->pktios[idx].num_rx_queue = num_rx;
> > + gbl_args->pktios[idx].pktio = pktio;
> > +
> > + return 0;
> > +}
> > +
> > +/*
> > + * Bind worker threads to interfaces and calculate number of queues
> needed
> > + *
> > + * less workers (N) than interfaces (M)
> > + * - assign each worker to process every Nth interface
> > + * - workers process inequal number of interfaces, when M is not
> divisible by N
> > + * - needs only single queue per interface
> > + * otherwise
> > + * - assign an interface to every Mth worker
> > + * - interfaces are processed by inequal number of workers, when N is
> not
> > + * divisible by M
> > + * - tries to configure a queue per worker per interface
> > + * - shares queues, if interface capability does not allows a queue
> per worker
> > + */
> > +static void bind_workers(void)
> > +{
> > + int if_count, num_workers;
> > + int rx_idx, thr, pktio;
> > + thread_args_t *thr_args;
> > +
> > + if_count = gbl_args->appl.if_count;
> > + num_workers = gbl_args->appl.num_workers;
> > +
> > + if (if_count > num_workers) {
> > + thr = 0;
> > +
> > + for (rx_idx = 0; rx_idx < if_count; rx_idx++) {
> > + thr_args = &gbl_args->thread[thr];
> > + pktio = thr_args->num_pktio;
> > + thr_args->pktio[pktio].rx_idx = rx_idx;
> > + thr_args->num_pktio++;
> > +
> > + gbl_args->pktios[rx_idx].num_rx_thr++;
> > +
> > + thr++;
> > + if (thr >= num_workers)
> > + thr = 0;
> > + }
> > + } else {
> > + rx_idx = 0;
> > +
> > + for (thr = 0; thr < num_workers; thr++) {
> > + thr_args = &gbl_args->thread[thr];
> > + pktio = thr_args->num_pktio;
> > + thr_args->pktio[pktio].rx_idx = rx_idx;
> > + thr_args->num_pktio++;
> > +
> > + gbl_args->pktios[rx_idx].num_rx_thr++;
> > +
> > + rx_idx++;
> > + if (rx_idx >= if_count)
> > + rx_idx = 0;
> > + }
> > + }
> > +}
> > +
> > +/*
> > + * Bind queues to threads and fill in missing thread arguments (handles)
> > + */
> > +static void bind_queues(void)
> > +{
> > + int num_workers;
> > + int thr, pktio;
> > +
> > + num_workers = gbl_args->appl.num_workers;
> > +
> > + for (thr = 0; thr < num_workers; thr++) {
> > + int rx_idx;
> > + thread_args_t *thr_args = &gbl_args->thread[thr];
> > + int num = thr_args->num_pktio;
> > +
> > + for (pktio = 0; pktio < num; pktio++) {
> > + int rx_queue;
> > +
> > + rx_idx = thr_args->pktio[pktio].rx_idx;
> > + rx_queue = gbl_args->pktios[rx_idx].next_rx_queue;
> > +
> > + thr_args->pktio[pktio].rx_queue_idx = rx_queue;
> > + thr_args->pktio[pktio].pktin =
> > + gbl_args->pktios[rx_idx].pktin[rx_queue];
> > + thr_args->pktio[pktio].rx_queue =
> > + gbl_args->pktios[rx_idx].rx_q[rx_queue];
> > + thr_args->pktio[pktio].rx_pktio =
> > + gbl_args->pktios[rx_idx].pktio;
> > +
> > + rx_queue++;
> > +
> > + if (rx_queue >= gbl_args->pktios[rx_idx].num_
> rx_queue)
> > + rx_queue = 0;
> > +
> > + gbl_args->pktios[rx_idx].next_rx_queue = rx_queue;
> > + }
> > + }
> > +}
> > +
> > +/**
> > + * Prinf usage information
> > + */
> > +static void usage(char *progname)
> > +{
> > + printf("\n"
> > + "OpenDataPlane traffic management application.\n"
> > + "\n"
> > + "Usage: %s OPTIONS\n"
> > + " E.g. %s -i eth0,eth1 -c 2\n"
> > + " In the above example,\n"
> > + " two threads will be used for receiving pkts from eth0 and
> eth1\n"
> > + "\n"
> > + "Mandatory OPTIONS:\n"
> > + " -i, --interface Eth interfaces (comma-separated, no
> spaces)\n"
> > + " Interface count min 1, max %i\n"
> > + "\n"
> > + "Optional OPTIONS:\n"
> > + " -c, --count <number> CPU count.\n"
> > + " -t, --time <number> seconds to run.\n"
> > + " -e, --error_check 0: Don't check packet errors
> (default)\n"
> > + " 1: Check packet errors\n"
> > + " -h, --help Display help and exit.\n\n"
> > + "\n", NO_PATH(progname), NO_PATH(progname), MAX_PKTIOS
> > + );
> > +}
> > +
> > +/**
> > + * Parse and store the command line arguments
> > + *
> > + * @param argc argument count
> > + * @param argv[] argument vector
> > + * @param appl_args Store application arguments here
> > + */
> > +static void parse_args(int argc, char *argv[], appl_args_t *appl_args)
> > +{
> > + int opt;
> > + int long_index;
> > + char *token;
> > + size_t len;
> > + int i;
> > + static const struct option longopts[] = {
> > + {"count", required_argument, NULL, 'c'},
> > + {"time", required_argument, NULL, 't'},
> > + {"interface", required_argument, NULL, 'i'},
> > + {"error_check", required_argument, NULL, 'e'},
> > + {"help", no_argument, NULL, 'h'},
> > + {NULL, 0, NULL, 0}
> > + };
> > +
> > + static const char *shortopts = "+c:t:i:e:h";
> > +
> > + /* let helper collect its own arguments (e.g. --odph_proc) */
> > + odph_parse_options(argc, argv, shortopts, longopts);
> > +
> > + appl_args->error_check = 0; /* don't check packet errors by
> default */
> > +
> > + opterr = 0; /* do not issue errors on helper options */
> > +
> > + while (1) {
> > + opt = getopt_long(argc, argv, shortopts, longopts,
> &long_index);
> > +
> > + if (opt == -1)
> > + break; /* No more options */
> > +
> > + switch (opt) {
> > + case 'c':
> > + appl_args->cpu_count = atoi(optarg);
> > + break;
> > + case 't':
> > + appl_args->duration = atoi(optarg);
> > + break;
> > + case 'i':
> > + len = strlen(optarg);
> > + if (len == 0) {
> > + usage(argv[0]);
> > + exit(EXIT_FAILURE);
> > + }
> > + len += 1; /* add room for '\0' */
> > +
> > + appl_args->if_str = malloc(len);
> > + if (appl_args->if_str == NULL) {
> > + usage(argv[0]);
> > + exit(EXIT_FAILURE);
> > + }
> > +
> > + /* count the number of tokens separated by ',' */
> > + strcpy(appl_args->if_str, optarg);
> > + for (token = strtok(appl_args->if_str, ","), i = 0;
> > + token != NULL;
> > + token = strtok(NULL, ","), i++)
> > + ;
> > +
> > + appl_args->if_count = i;
> > +
> > + if (appl_args->if_count < 1 ||
> > + appl_args->if_count > MAX_PKTIOS) {
> > + usage(argv[0]);
> > + exit(EXIT_FAILURE);
> > + }
> > +
> > + /* allocate storage for the if names */
> > + appl_args->if_names =
> > + calloc(appl_args->if_count, sizeof(char *));
> > +
> > + /* store the if names (reset names string) */
> > + strcpy(appl_args->if_str, optarg);
> > + for (token = strtok(appl_args->if_str, ","), i = 0;
> > + token != NULL; token = strtok(NULL, ","),
> i++) {
> > + appl_args->if_names[i] = token;
> > + }
> > + break;
> > + case 'e':
> > + appl_args->error_check = atoi(optarg);
> > + break;
> > + case 'h':
> > + usage(argv[0]);
> > + exit(EXIT_SUCCESS);
> > + break;
> > + default:
> > + break;
> > + }
> > + }
> > +
> > + if (appl_args->if_count == 0) {
> > + usage(argv[0]);
> > + exit(EXIT_FAILURE);
> > + }
> > +
> > + optind = 1; /* reset 'extern optind' from the getopt
> lib */
> > +}
> > +
> > +/**
> > + * Print system and application info
> > + */
> > +static void print_info(char *progname, appl_args_t *appl_args)
> > +{
> > + int i;
> > +
> > + printf("\n"
> > + "ODP system info\n"
> > + "---------------\n"
> > + "ODP API version: %s\n"
> > + "ODP impl name: %s\n"
> > + "CPU model: %s\n"
> > + "CPU freq (hz): %" PRIu64 "\n"
> > + "Cache line size: %i\n"
> > + "CPU count: %i\n"
> > + "\n",
> > + odp_version_api_str(), odp_version_impl_name(),
> > + odp_cpu_model_str(), odp_cpu_hz_max(),
> > + odp_sys_cache_line_size(), odp_cpu_count());
> > +
> > + printf("Running ODP appl: \"%s\"\n"
> > + "-----------------\n"
> > + "IF-count: %i\n"
> > + "Using IFs: ",
> > + progname, appl_args->if_count);
> > + for (i = 0; i < appl_args->if_count; ++i)
> > + printf(" %s", appl_args->if_names[i]);
> > + printf("\n"
> > + "Mode: PKTIN_DIRECT");
> > +
> > + printf("\n\n");
> > + fflush(NULL);
> > +}
> > +
> > +static void gbl_args_init(args_t *args)
> > +{
> > + int pktio, queue;
> > +
> > + memset(args, 0, sizeof(args_t));
> > +
> > + for (pktio = 0; pktio < MAX_PKTIOS; pktio++) {
> > + args->pktios[pktio].pktio = ODP_PKTIO_INVALID;
> > +
> > + for (queue = 0; queue < MAX_QUEUES; queue++)
> > + args->pktios[pktio].rx_q[queue] =
> ODP_QUEUE_INVALID;
> > + }
> > +}
> > +
> > +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[])
> > +{
> > + odph_odpthread_t thread_tbl[MAX_WORKERS];
> > + odp_pool_t pool;
> > + int i;
> > + int cpu;
> > + int num_workers;
> > + odp_shm_t shm;
> > + odp_cpumask_t cpumask;
> > + char cpumaskstr[ODP_CPUMASK_STR_SIZE];
> > + odp_pool_param_t params;
> > + int ret;
> > + int if_count;
> > + int duration;
> > + int (*thr_run_func)(void *);
> > + odp_instance_t instance;
> > + struct sigaction signal_action;
> > +
> > + 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);
> > +
> > + /* Init ODP before calling anything else */
> > + if (odp_init_global(&instance, NULL, NULL)) {
> > + LOG_ERR("Error: ODP global init failed.\n");
> > + exit(EXIT_FAILURE);
> > + }
> > +
> > + /* Init this thread */
> > + if (odp_init_local(instance, ODP_THREAD_CONTROL)) {
> > + LOG_ERR("Error: ODP local init failed.\n");
> > + exit(EXIT_FAILURE);
> > + }
> > +
> > + /* Reserve memory for args from shared mem */
> > + shm = odp_shm_reserve("shm_args", sizeof(args_t),
> > + ODP_CACHE_LINE_SIZE, 0);
> > + gbl_args = odp_shm_addr(shm);
> > +
> > + if (gbl_args == NULL) {
> > + LOG_ERR("Error: shared mem alloc failed.\n");
> > + exit(EXIT_FAILURE);
> > + }
> > + gbl_args_init(gbl_args);
> > +
> > + /* Parse and store the application arguments */
> > + parse_args(argc, argv, &gbl_args->appl);
> > +
> > + /* Print both system and application information */
> > + print_info(NO_PATH(argv[0]), &gbl_args->appl);
> > +
> > + /* Default to system CPU count unless user specified */
> > + num_workers = MAX_WORKERS;
> > + if (gbl_args->appl.cpu_count)
> > + num_workers = gbl_args->appl.cpu_count;
> > +
> > + /* Get default worker cpumask */
> > + num_workers = odp_cpumask_default_worker(&cpumask, num_workers);
> > + (void)odp_cpumask_to_str(&cpumask, cpumaskstr,
> sizeof(cpumaskstr));
> > +
> > + gbl_args->appl.num_workers = num_workers;
> > +
> > + for (i = 0; i < num_workers; i++)
> > + gbl_args->thread[i].thr_idx = i;
> > +
> > + if_count = gbl_args->appl.if_count;
> > +
> > + printf("num worker threads: %i\n", num_workers);
> > + printf("first CPU: %i\n", odp_cpumask_first(&cpumask));
> > + printf("cpu mask: %s\n", cpumaskstr);
> > +
> > + /* Create packet pool */
> > + odp_pool_param_init(¶ms);
> > + params.pkt.seg_len = SHM_PKT_POOL_BUF_SIZE;
> > + params.pkt.len = SHM_PKT_POOL_BUF_SIZE;
> > + params.pkt.num = SHM_PKT_POOL_SIZE;
> > + params.type = ODP_POOL_PACKET;
> > +
> > + pool = odp_pool_create("packet pool", ¶ms);
> > +
> > + if (pool == ODP_POOL_INVALID) {
> > + LOG_ERR("Error: packet pool create failed.\n");
> > + exit(EXIT_FAILURE);
> > + }
> > + odp_pool_print(pool);
> > +
> > + bind_workers();
> > +
> > + for (i = 0; i < if_count; ++i) {
> > + const char *dev = gbl_args->appl.if_names[i];
> > + int num_rx;
> > +
> > + /* A queue per assigned worker */
> > + num_rx = gbl_args->pktios[i].num_rx_thr;
> > +
> > + if (create_pktio(dev, i, num_rx, pool))
> > + exit(EXIT_FAILURE);
> > + }
> > +
> > + gbl_args->pktios[i].pktio = ODP_PKTIO_INVALID;
> > +
> > + bind_queues();
> > +
> > + if (!tm_config_and_init(if_count)) {
> > + LOG_ERR("Error: tm system initialization failed.\n");
> > + exit(EXIT_FAILURE);
> > + }
> > + tm_print_user_cos();
> > +
> > + memset(thread_tbl, 0, sizeof(thread_tbl));
> > +
> > + odp_barrier_init(&barrier, num_workers + 1);
> > +
> > + thr_run_func = run_worker_direct_mode;
> > +
> > + /* Create worker threads */
> > + cpu = odp_cpumask_first(&cpumask);
> > + for (i = 0; i < num_workers; ++i) {
> > + odp_cpumask_t thd_mask;
> > + odph_odpthread_params_t thr_params;
> > +
> > + memset(&thr_params, 0, sizeof(thr_params));
> > + thr_params.start = thr_run_func;
> > + thr_params.arg = &gbl_args->thread[i];
> > + thr_params.thr_type = ODP_THREAD_WORKER;
> > + thr_params.instance = instance;
> > +
> > + odp_cpumask_zero(&thd_mask);
> > + odp_cpumask_set(&thd_mask, cpu);
> > + odph_odpthreads_create(&thread_tbl[i], &thd_mask,
> > + &thr_params);
> > + cpu = odp_cpumask_next(&cpumask, cpu);
> > + }
> > +
> > + /* Start packet receive and transmit */
> > + for (i = 0; i < if_count; ++i) {
> > + odp_pktio_t pktio;
> > + uint8_t mac[ODPH_ETHADDR_LEN];
> > + char buf[32];
> > + const char *dev;
> > +
> > + pktio = gbl_args->pktios[i].pktio;
> > + ret = odp_pktio_start(pktio);
> > + if (ret) {
> > + LOG_ERR("Error: unable to start %s\n",
> > + gbl_args->appl.if_names[i]);
> > + exit(EXIT_FAILURE);
> > + } else {
> > + dev = gbl_args->appl.if_names[i];
> > + odp_pktio_mac_addr(pktio, mac, ODPH_ETHADDR_LEN);
> > + sprintf(buf, "%02x:%02x:%02x:%02x:%02x:%02x",
> > + mac[0], mac[1], mac[2], mac[3], mac[4],
> mac[5]);
> > + printf("start pktio: %s, mac %s\n", dev, buf);
> > + }
> > + }
> > +
> > + /* Print packets count every 10 seconds */
> > + duration = gbl_args->appl.duration;
> > + if (duration < 10)
> > + duration = DEFAULT_RUN_SECONDS;
> > + tm_print_stat(duration, 10);
> > + exit_threads = 1;
> > +
> > + /* Master thread waits for other threads to exit */
> > + for (i = 0; i < num_workers; ++i)
> > + odph_odpthreads_join(&thread_tbl[i]);
> > +
>
> Need termination path. I.e. destroy everything and call
> odp_term_global() in the end.
>
> Maxim.
>
>
> > + free(gbl_args->appl.if_names);
> > + free(gbl_args->appl.if_str);
> > +
> > + printf("Exit %d\n\n", ret);
> > + return ret;
> > +}
> >
>
>
