Add option "policy-mtr" to indicate if meter creation will include policy
or not. Meter creation will keep same without it.

With "policy-mtr", policy is introduced. API create_meter_policy
is to create a policy. API create_meter_rule will use it to create
meter.

Add option "policy-g_actions" to specify meter policy green color actions.
W/o this, policy creation will fail since there is no default one.

Signed-off-by: Haifei Luo <haif...@nvidia.com>
Signed-off-by: Jiawei Wang <jiaw...@nvidia.com>
Signed-off-by: Rongwei Liu <rongw...@nvidia.com>
---
 app/test-flow-perf/main.c      | 121 ++++++++++++++++++++++++++++++---
 doc/guides/tools/flow-perf.rst |   6 ++
 2 files changed, 119 insertions(+), 8 deletions(-)

diff --git a/app/test-flow-perf/main.c b/app/test-flow-perf/main.c
index 9be8edc31d..e0d94f943a 100644
--- a/app/test-flow-perf/main.c
+++ b/app/test-flow-perf/main.c
@@ -37,6 +37,7 @@
 #include <rte_mtr.h>
 
 #include "config.h"
+#include "actions_gen.h"
 #include "flow_gen.h"
 
 #define MAX_BATCHES_COUNT          100
@@ -49,10 +50,12 @@ static uint8_t flow_group;
 
 static uint64_t encap_data;
 static uint64_t decap_data;
+static uint64_t g_actions;
 
 static uint64_t flow_items[MAX_ITEMS_NUM];
 static uint64_t flow_actions[MAX_ACTIONS_NUM];
 static uint64_t flow_attrs[MAX_ATTRS_NUM];
+static uint32_t g_policy_id[MAX_PORTS];
 static uint8_t items_idx, actions_idx, attrs_idx;
 
 static uint64_t ports_mask;
@@ -62,6 +65,7 @@ static bool delete_flag;
 static bool dump_socket_mem_flag;
 static bool enable_fwd;
 static bool unique_data;
+static bool policy_mtr;
 
 static struct rte_mempool *mbuf_mp;
 static uint32_t nb_lcores;
@@ -69,6 +73,7 @@ static uint32_t rules_count;
 static uint32_t rules_batch;
 static uint32_t hairpin_queues_num; /* total hairpin q number - default: 0 */
 static uint32_t nb_lcores;
+static uint64_t meter_cir;
 
 #define MAX_PKT_BURST    32
 #define LCORE_MODE_PKT    1
@@ -134,6 +139,8 @@ usage(char *progname)
        printf("  --portmask=N: hexadecimal bitmask of ports used\n");
        printf("  --unique-data: flag to set using unique data for all"
                " actions that support data, such as header modify and encap 
actions\n");
+       printf("  --policy-mtr: To create meter with policy\n");
+       printf("  --policy-g_actions: To set meter policy green color 
actions\n");
 
        printf("To set flow attributes:\n");
        printf("  --ingress: set ingress attribute in flows\n");
@@ -573,6 +580,9 @@ args_parse(int argc, char **argv)
                { "unique-data",                0, 0, 0 },
                { "portmask",                   1, 0, 0 },
                { "cores",                      1, 0, 0 },
+               { "policy-mtr",                 0, 0, 0 },
+               { "policy-g_actions",           1, 0, 0 },
+               { "meter-profile-alg",          1, 0, 0 },
                /* Attributes */
                { "ingress",                    0, 0, 0 },
                { "egress",                     0, 0, 0 },
@@ -802,6 +812,32 @@ args_parse(int argc, char **argv)
                                                RTE_MAX_LCORE);
                                }
                        }
+                       if (strcmp(lgopts[opt_idx].name, "policy-mtr") == 0)
+                               policy_mtr = true;
+                       if (strcmp(lgopts[opt_idx].name,
+                                       "policy-g_actions") == 0) {
+                               token = strtok(optarg, ",");
+                               while (token != NULL) {
+                                       for (i = 0;
+                                            i < RTE_DIM(flow_options); i++) {
+                                               if (strcmp(optarg,
+                                                   flow_options[i].str) == 0) {
+                                                       g_actions |=
+                                                       flow_options[i].mask;
+                                                       break;
+                                               }
+                                       }
+                                       /* Reached last item with no match */
+                                       if (i == (RTE_DIM(flow_options) - 1)) {
+                                               fprintf(stderr,
+                                                       "Invalid g_actions "
+                                                       "item: %s\n", token);
+                                               usage(argv[0]);
+                                               rte_exit(EXIT_SUCCESS, "Invalid 
g_actions item\n");
+                                       }
+                                       token = strtok(NULL, ",");
+                               }
+                       }
                        break;
                default:
                        usage(argv[0]);
@@ -912,6 +948,62 @@ has_meter(void)
        return 0;
 }
 
+static void
+create_meter_policy(void)
+{
+       struct rte_mtr_error error;
+       uint32_t policy_id;
+       int ret, i, port_id;
+       struct rte_mtr_meter_policy_params policy;
+       struct rte_flow_action r_actions[2];
+       uint16_t nr_ports;
+       struct rte_flow_action actions[MAX_ACTIONS_NUM];
+       uint64_t flow_actions[MAX_ACTIONS_NUM];
+       int lcore_counter = 0;
+       int lcore_id = rte_lcore_id();
+
+       memset(actions, 0, sizeof(actions));
+       memset(flow_actions, 0, sizeof(flow_actions));
+       memset(&policy, 0, sizeof(policy));
+       RTE_LCORE_FOREACH(i) {
+               /*  If core not needed return. */
+               if (lcore_id == i) {
+                       if (lcore_counter >= (int) mc_pool.cores_count)
+                               return;
+                       break;
+               }
+               lcore_counter++;
+       }
+       lcore_id = lcore_counter;
+
+       if (lcore_id >= (int) mc_pool.cores_count)
+               return;
+
+       flow_actions[0] = g_actions;
+       fill_actions(actions, flow_actions, 0, 0, 0,
+                    0, 0, lcore_id, unique_data);
+
+       r_actions[0].type = RTE_FLOW_ACTION_TYPE_DROP;
+       r_actions[0].conf = NULL;
+       r_actions[1].type = RTE_FLOW_ACTION_TYPE_END;
+       r_actions[1].conf = NULL;
+
+       policy.actions[RTE_COLOR_GREEN] = &actions[0];
+       policy.actions[RTE_COLOR_YELLOW] = NULL;
+       policy.actions[RTE_COLOR_RED] = &r_actions[0];
+
+       nr_ports = rte_eth_dev_count_avail();
+       for (port_id = 0; port_id < nr_ports; port_id++) {
+               policy_id = port_id + 10;
+               ret = rte_mtr_meter_policy_add(port_id, policy_id,
+                                              &policy, &error);
+               if (ret)
+                       printf("meter policy add failed "
+                              "port_id %d\n", port_id);
+               g_policy_id[port_id] = policy_id;
+       }
+}
+
 static void
 create_meter_rule(int port_id, uint32_t counter)
 {
@@ -928,7 +1020,14 @@ create_meter_rule(int port_id, uint32_t counter)
 
        /*create meter*/
        params.meter_profile_id = default_prof_id;
-       ret = rte_mtr_create(port_id, counter, &params, 1, &error);
+
+       if (!policy_mtr) {
+               ret = rte_mtr_create(port_id, counter, &params, 1, &error);
+       } else {
+               params.meter_policy_id = g_policy_id[port_id];
+               ret = rte_mtr_create(port_id, counter, &params, 0, &error);
+       }
+
        if (ret != 0) {
                printf("Port %u create meter idx(%d) error(%d) message: %s\n",
                        port_id, counter, error.type,
@@ -942,11 +1041,16 @@ destroy_meter_rule(int port_id, uint32_t counter)
 {
        struct rte_mtr_error error;
 
-       if (rte_mtr_destroy(port_id, counter, &error)) {
-               printf("Port %u destroy meter(%d) error(%d) message: %s\n",
+       if (policy_mtr) {
+               if (rte_mtr_meter_policy_delete(port_id, counter+1, &error))
+                       printf("error delete policy %d\n", counter+1);
+       } else {
+               if (rte_mtr_destroy(port_id, counter, &error)) {
+                       printf("Port %u destroy meter(%d) error(%d) message: 
%s\n",
                        port_id, counter, error.type,
                        error.message ? error.message : "(no stated reason)");
-               rte_exit(EXIT_FAILURE, "Error in deleting meter rule\n");
+                       rte_exit(EXIT_FAILURE, "Error in deleting meter rule");
+               }
        }
 }
 
@@ -1051,12 +1155,10 @@ create_meter_profile(void)
                /* If port outside portmask */
                if (!((ports_mask >> port_id) & 0x1))
                        continue;
-
                mp.alg = RTE_MTR_SRTCM_RFC2697;
-               mp.srtcm_rfc2697.cir = METER_CIR;
-               mp.srtcm_rfc2697.cbs = METER_CIR / 8;
+               mp.srtcm_rfc2697.cir = meter_cir;
+               mp.srtcm_rfc2697.cbs = meter_cir / 8;
                mp.srtcm_rfc2697.ebs = 0;
-
                ret = rte_mtr_meter_profile_add
                        (port_id, DEFAULT_METER_PROF_ID, &mp, &error);
                if (ret != 0) {
@@ -1875,6 +1977,7 @@ main(int argc, char **argv)
        dump_socket_mem_flag = false;
        flow_group = DEFAULT_GROUP;
        unique_data = false;
+       meter_cir = METER_CIR;
 
        signal(SIGINT, signal_handler);
        signal(SIGTERM, signal_handler);
@@ -1894,6 +1997,8 @@ main(int argc, char **argv)
 
        if (has_meter())
                create_meter_profile();
+       if (policy_mtr)
+               create_meter_policy();
        rte_eal_mp_remote_launch(run_rte_flow_handler_cores, NULL, CALL_MAIN);
 
        if (enable_fwd) {
diff --git a/doc/guides/tools/flow-perf.rst b/doc/guides/tools/flow-perf.rst
index 280bf7e0e0..90b6934537 100644
--- a/doc/guides/tools/flow-perf.rst
+++ b/doc/guides/tools/flow-perf.rst
@@ -354,3 +354,9 @@ Actions:
 *       ``--meter``
         Add meter action to all flows actions.
         Currently, 1 meter profile -> N meter rules -> N rte flows.
+
+*       ``--policy-mtr``
+        Add policy-mtr to create meter with policy.
+
+*       ``--policy-g_actions``
+        Add policy-g_actions to specify policy green color actions.
-- 
2.27.0

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