[2/2,v3] example: introducing multi-threaded traffic management case

Message ID 1488252137-14939-2-git-send-email-forrest.shi@linaro.org
State New
Headers show
Series
  • [1/2,v3] linux-gen: traffic_mgmr: support termination in barrier.
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Commit Message

Forrest Shi Feb. 28, 2017, 3:22 a.m.
From: Xuelin Shi <forrest.shi@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.shi@linaro.org>

---
v3:
  fix copyright string, add test and termination path (Maxim)
v2:
  rebased to latest code
 
 example/Makefile.am                                |   3 +-
 example/m4/configure.m4                            |   1 +
 example/traffic_mgmt_multi/.gitignore              |   3 +
 example/traffic_mgmt_multi/Makefile.am             |  18 +
 example/traffic_mgmt_multi/odp_traffic_mgmt.c      | 877 +++++++++++++++++++++
 example/traffic_mgmt_multi/odp_traffic_mgmt.h      |  55 ++
 example/traffic_mgmt_multi/odp_traffic_pktio.c     | 824 +++++++++++++++++++
 .../traffic_mgmt_multi/traffic_mgmt_multi_run.sh   |  29 +
 example/traffic_mgmt_multi/udp64.pcap              | Bin 0 -> 7624 bytes
 platform/linux-generic/odp_traffic_mngr.c          |   2 +-
 10 files changed, 1810 insertions(+), 2 deletions(-)
 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
 create mode 100755 example/traffic_mgmt_multi/traffic_mgmt_multi_run.sh
 create mode 100644 example/traffic_mgmt_multi/udp64.pcap

-- 
1.8.3.1

Patch hide | download patch | download mbox

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..a9a3561
--- /dev/null
+++ b/example/traffic_mgmt_multi/Makefile.am
@@ -0,0 +1,18 @@ 
+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
+
+if test_example
+if HAVE_PCAP
+TESTS = traffic_mgmt_multi_run.sh
+endif
+endif
+
+EXTRA_DIST = traffic_mgmt_multi_run.sh udp64.pcap
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..b8539b8
--- /dev/null
+++ b/example/traffic_mgmt_multi/odp_traffic_mgmt.c
@@ -0,0 +1,877 @@ 
+/* Copyright (c) 2017, Linaro Limited
+ * 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 0x0A000001
+#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");
+}
+
+int tm_system_destroy(void)
+{
+	int i;
+
+	for (i = 0; i < nb_tm_odp; i++) {
+		tm_port_config_t *tmp;
+
+		tmp = &tm_port_profiles[i];
+		if (tmp->odp_tm != ODP_TM_INVALID)
+			odp_tm_destroy(tmp->odp_tm);
+	}
+
+	return 0;
+}
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..5eac4d4
--- /dev/null
+++ b/example/traffic_mgmt_multi/odp_traffic_mgmt.h
@@ -0,0 +1,55 @@ 
+/* Copyright (c) 2017, 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);
+
+/**
+ * destroy all the tm_system(s) on termination
+ *
+ * @return 0 if success else -1
+ */
+int tm_system_destroy(void);
+
+/**
+ * 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..78ad4b3
--- /dev/null
+++ b/example/traffic_mgmt_multi/odp_traffic_pktio.c
@@ -0,0 +1,824 @@ 
+/* Copyright (c) 2017, 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/eth.h>
+#include <odp/helper/threads.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(&params);
+	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", &params);
+
+	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]);
+
+	free(gbl_args->appl.if_names);
+	free(gbl_args->appl.if_str);
+
+	ret = tm_system_destroy();
+	if (ret) {
+		LOG_ERR("Error to destroy tm system!\n");
+		exit(EXIT_FAILURE);
+	}
+
+	ret = odp_pool_destroy(pool);
+	if (ret) {
+		LOG_ERR("Error to destroy pool!\n");
+		exit(EXIT_FAILURE);
+	}
+
+	ret = odp_shm_free(shm);
+	if (ret) {
+		LOG_ERR("Error to free share memory!\n");
+		exit(EXIT_FAILURE);
+	}
+
+	ret = odp_term_local();
+	if (ret) {
+		LOG_ERR("Error to terminate odp local!\n");
+		exit(EXIT_FAILURE);
+	}
+
+	ret = odp_term_global(instance);
+	if (ret) {
+		LOG_ERR("Error to terminate odp global\n");
+		exit(EXIT_FAILURE);
+	}
+
+	printf("Exit: %d\n\n", ret);
+	return ret;
+}
diff --git a/example/traffic_mgmt_multi/traffic_mgmt_multi_run.sh b/example/traffic_mgmt_multi/traffic_mgmt_multi_run.sh
new file mode 100755
index 0000000..79e6102
--- /dev/null
+++ b/example/traffic_mgmt_multi/traffic_mgmt_multi_run.sh
@@ -0,0 +1,29 @@ 
+#!/bin/bash
+#
+# Copyright (c) 2017, Linaro Limited
+# All rights reserved.
+#
+# SPDX-License-Identifier:     BSD-3-Clause
+#
+
+RESULT_STR="user 0: pkts_in=100, pkts_out=100"
+PCAP_IN=`find . ${TEST_DIR} $(dirname $0) -name udp64.pcap -print -quit`
+PCAP_OUT="pcapout.pcap"
+PCAP_IN_SIZE=`stat -c %s ${PCAP_IN}`
+echo "using PCAP_IN = ${PCAP_IN}, PCAP_OUT = ${PCAP_OUT}"
+
+./odp_traffic_mgmt -i pcap:in=${PCAP_IN},pcap:out=${PCAP_OUT} -t 20 > \
+			      /tmp/odp_traffic_mgmt_multi.log
+STATUS=$?
+grep "${RESULT_STR}" /tmp/odp_traffic_mgmt_multi.log
+GREP_STATUS=$?
+rm -f ${PCAP_OUT}
+
+if [ ${STATUS} -ne 0 ] || [ ${GREP_STATUS} -ne 0 ]; then
+	echo "Error: status ${STATUS}, expect ${RESULT_STR}"
+	exit 1
+fi
+
+echo "Pass: status ${STATUS}, ${RESULT_STR}"
+
+exit 0
diff --git a/example/traffic_mgmt_multi/udp64.pcap b/example/traffic_mgmt_multi/udp64.pcap
new file mode 100644
index 0000000000000000000000000000000000000000..45f9d6e6341a331125e1e3e49ab8ad1e71b20712
GIT binary patch
literal 7624
zcmca|c+)~A1{MYw_+QV!zzF1AIDRVZQX4OW4Ui4OOdthJV3Lu8!IgnQ52VaNFl`SP
zPy-M%&2gOL#31#rG%+bTB{eNQBQq;ICpRy@ps;AvtkLiqO%tPeXtbOdEel8Mj?wyY
zv^_D}W*Ti5GK{vPNBat+eXG&_<7gilID#<RE*xzaj<yR&+l8a;!qKvDbPRcP%zboT
XVRY^UIO8<hE*$M6kM@y?=pzFFfL+O&

literal 0
HcmV?d00001

diff --git a/platform/linux-generic/odp_traffic_mngr.c b/platform/linux-generic/odp_traffic_mngr.c
index 9b61c50..ea98e77 100644
--- a/platform/linux-generic/odp_traffic_mngr.c
+++ b/platform/linux-generic/odp_traffic_mngr.c
@@ -2842,7 +2842,7 @@  static int tm_group_attach(odp_tm_t odp_tm)
 	total_cpus = odp_cpumask_count(&all_cpus);
 	avail_cpus = odp_cpumask_count(&worker_cpus);
 
-	if (total_cpus < 24) {
+	if (total_cpus < 4) {
 		tm_group     = tm_group_list;
 		odp_tm_group = MAKE_ODP_TM_SYSTEM_GROUP(tm_group);
 		if (tm_group == NULL)