app/flow-perf: support meter action
authorDong Zhou <dongzhou@nvidia.com>
Tue, 19 Jan 2021 03:39:40 +0000 (05:39 +0200)
committerThomas Monjalon <thomas@monjalon.net>
Tue, 26 Jan 2021 17:39:37 +0000 (18:39 +0100)
Currently, test-flow-perf app cannot generate flows with meter action.
This patch introduces new parameter "--meter" to generate flows
with meter action.

Signed-off-by: Dong Zhou <dongzhou@nvidia.com>
Reviewed-by: Wisam Jaddo <wisamm@nvidia.com>
Reviewed-by: Alexander Kozyrev <akozyrev@nvidia.com>
app/test-flow-perf/actions_gen.c
app/test-flow-perf/config.h
app/test-flow-perf/main.c
doc/guides/tools/flow-perf.rst

index c3545ba..1f5c64f 100644 (file)
@@ -891,6 +891,19 @@ add_vxlan_decap(struct rte_flow_action *actions,
        actions[actions_counter].type = RTE_FLOW_ACTION_TYPE_VXLAN_DECAP;
 }
 
+static void
+add_meter(struct rte_flow_action *actions,
+       uint8_t actions_counter,
+       __rte_unused struct additional_para para)
+{
+       static struct rte_flow_action_meter
+               meters[RTE_MAX_LCORE] __rte_cache_aligned;
+
+       meters[para.core_idx].mtr_id = para.counter;
+       actions[actions_counter].type = RTE_FLOW_ACTION_TYPE_METER;
+       actions[actions_counter].conf = &meters[para.core_idx];
+}
+
 void
 fill_actions(struct rte_flow_action *actions, uint64_t *flow_actions,
        uint32_t counter, uint16_t next_table, uint16_t hairpinq,
@@ -1103,6 +1116,12 @@ fill_actions(struct rte_flow_action *actions, uint64_t *flow_actions,
                        ),
                        .funct = add_vxlan_decap,
                },
+               {
+                       .mask = FLOW_ACTION_MASK(
+                               RTE_FLOW_ACTION_TYPE_METER
+                       ),
+                       .funct = add_meter,
+               },
        };
 
        for (j = 0; j < MAX_ACTIONS_NUM; j++) {
index 94e83c9..3d4696d 100644 (file)
@@ -16,6 +16,8 @@
 #define NR_RXD  256
 #define NR_TXD  256
 #define MAX_PORTS 64
+#define METER_CIR 1250000
+#define DEFAULT_METER_PROF_ID 100
 
 /* This is used for encap/decap & header modify actions.
  * When it's 1: it means all actions have fixed values.
index d10fa3f..99d0463 100644 (file)
@@ -34,6 +34,7 @@
 #include <rte_mbuf.h>
 #include <rte_ethdev.h>
 #include <rte_flow.h>
+#include <rte_mtr.h>
 
 #include "config.h"
 #include "flow_gen.h"
@@ -72,6 +73,8 @@ static uint32_t nb_lcores;
 #define LCORE_MODE_PKT    1
 #define LCORE_MODE_STATS  2
 #define MAX_STREAMS      64
+#define METER_CREATE     1
+#define METER_DELETE     2
 
 struct stream {
        int tx_port;
@@ -200,6 +203,7 @@ usage(char *progname)
        printf("  --set-ipv6-dscp: add set ipv6 dscp action to flow actions\n"
                "ipv6 dscp value to be set is random each flow\n");
        printf("  --flag: add flag action to flow actions\n");
+       printf("  --meter: add meter action to flow actions\n");
        printf("  --raw-encap=<data>: add raw encap action to flow actions\n"
                "Data is the data needed to be encaped\n"
                "Example: raw-encap=ether,ipv4,udp,vxlan\n");
@@ -528,6 +532,14 @@ args_parse(int argc, char **argv)
                        .map = &flow_actions[0],
                        .map_idx = &actions_idx
                },
+               {
+                       .str = "meter",
+                       .mask = FLOW_ACTION_MASK(
+                               RTE_FLOW_ACTION_TYPE_METER
+                       ),
+                       .map = &flow_actions[0],
+                       .map_idx = &actions_idx
+               },
                {
                        .str = "vxlan-encap",
                        .mask = FLOW_ACTION_MASK(
@@ -607,6 +619,7 @@ args_parse(int argc, char **argv)
                { "set-ipv4-dscp",              0, 0, 0 },
                { "set-ipv6-dscp",              0, 0, 0 },
                { "flag",                       0, 0, 0 },
+               { "meter",                      0, 0, 0 },
                { "raw-encap",                  1, 0, 0 },
                { "raw-decap",                  1, 0, 0 },
                { "vxlan-encap",                0, 0, 0 },
@@ -879,6 +892,185 @@ print_rules_batches(double *cpu_time_per_batch)
        }
 }
 
+
+static inline int
+has_meter(void)
+{
+       int i;
+
+       for (i = 0; i < MAX_ACTIONS_NUM; i++) {
+               if (flow_actions[i] == 0)
+                       break;
+               if (flow_actions[i]
+                               & FLOW_ACTION_MASK(RTE_FLOW_ACTION_TYPE_METER))
+                       return 1;
+       }
+       return 0;
+}
+
+static void
+create_meter_rule(int port_id, uint32_t counter)
+{
+       int ret;
+       struct rte_mtr_params params;
+       uint32_t default_prof_id = 100;
+       struct rte_mtr_error error;
+
+       memset(&params, 0, sizeof(struct rte_mtr_params));
+       params.meter_enable = 1;
+       params.stats_mask = 0xffff;
+       params.use_prev_mtr_color = 0;
+       params.dscp_table = NULL;
+
+       /*create meter*/
+       params.meter_profile_id = default_prof_id;
+       params.action[RTE_COLOR_GREEN] =
+               MTR_POLICER_ACTION_COLOR_GREEN;
+       params.action[RTE_COLOR_YELLOW] =
+               MTR_POLICER_ACTION_COLOR_YELLOW;
+       params.action[RTE_COLOR_RED] =
+               MTR_POLICER_ACTION_DROP;
+
+       ret = rte_mtr_create(port_id, counter, &params, 1, &error);
+       if (ret != 0) {
+               printf("Port %u create meter idx(%d) error(%d) message: %s\n",
+                       port_id, counter, error.type,
+                       error.message ? error.message : "(no stated reason)");
+               rte_exit(EXIT_FAILURE, "error in creating meter");
+       }
+}
+
+static void
+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",
+                       port_id, counter, error.type,
+                       error.message ? error.message : "(no stated reason)");
+               rte_exit(EXIT_FAILURE, "Error in deleting meter rule");
+       }
+}
+
+static void
+meters_handler(int port_id, uint8_t core_id, uint8_t ops)
+{
+       uint64_t start_batch;
+       double cpu_time_used, insertion_rate;
+       int rules_count_per_core, rules_batch_idx;
+       uint32_t counter, start_counter = 0, end_counter;
+       double cpu_time_per_batch[MAX_BATCHES_COUNT] = { 0 };
+
+       rules_count_per_core = rules_count / mc_pool.cores_count;
+
+       if (core_id)
+               start_counter = core_id * rules_count_per_core;
+       end_counter = (core_id + 1) * rules_count_per_core;
+
+       cpu_time_used = 0;
+       start_batch = rte_rdtsc();
+       for (counter = start_counter; counter < end_counter; counter++) {
+               if (ops == METER_CREATE)
+                       create_meter_rule(port_id, counter);
+               else
+                       destroy_meter_rule(port_id, counter);
+               /*
+                * Save the insertion rate for rules batch.
+                * Check if the insertion reached the rules
+                * patch counter, then save the insertion rate
+                * for this batch.
+                */
+               if (!((counter + 1) % rules_batch)) {
+                       rules_batch_idx = ((counter + 1) / rules_batch) - 1;
+                       cpu_time_per_batch[rules_batch_idx] =
+                               ((double)(rte_rdtsc() - start_batch))
+                               / rte_get_tsc_hz();
+                       cpu_time_used += cpu_time_per_batch[rules_batch_idx];
+                       start_batch = rte_rdtsc();
+               }
+       }
+
+       /* Print insertion rates for all batches */
+       if (dump_iterations)
+               print_rules_batches(cpu_time_per_batch);
+
+       insertion_rate =
+               ((double) (rules_count_per_core / cpu_time_used) / 1000);
+
+       /* Insertion rate for all rules in one core */
+       printf(":: Port %d :: Core %d Meter %s :: start @[%d] - end @[%d],"
+               " use:%.02fs, rate:%.02fk Rule/Sec\n",
+               port_id, core_id, ops == METER_CREATE ? "create" : "delete",
+               start_counter, end_counter - 1,
+               cpu_time_used, insertion_rate);
+
+       if (ops == METER_CREATE)
+               mc_pool.create_meter.insertion[port_id][core_id]
+                       = cpu_time_used;
+       else
+               mc_pool.create_meter.deletion[port_id][core_id]
+                       = cpu_time_used;
+}
+
+static void
+destroy_meter_profile(void)
+{
+       struct rte_mtr_error error;
+       uint16_t nr_ports;
+       int port_id;
+
+       nr_ports = rte_eth_dev_count_avail();
+       for (port_id = 0; port_id < nr_ports; port_id++) {
+               /* If port outside portmask */
+               if (!((ports_mask >> port_id) & 0x1))
+                       continue;
+
+               if (rte_mtr_meter_profile_delete
+                       (port_id, DEFAULT_METER_PROF_ID, &error)) {
+                       printf("Port %u del profile error(%d) message: %s\n",
+                               port_id, error.type,
+                               error.message ? error.message : "(no stated reason)");
+                       rte_exit(EXIT_FAILURE, "Error: Destroy meter profile Failed!\n");
+               }
+       }
+}
+
+static void
+create_meter_profile(void)
+{
+       uint16_t nr_ports;
+       int ret, port_id;
+       struct rte_mtr_meter_profile mp;
+       struct rte_mtr_error error;
+
+       /*
+        *currently , only create one meter file for one port
+        *1 meter profile -> N meter rules -> N rte flows
+        */
+       memset(&mp, 0, sizeof(struct rte_mtr_meter_profile));
+       nr_ports = rte_eth_dev_count_avail();
+       for (port_id = 0; port_id < nr_ports; port_id++) {
+               /* 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.ebs = 0;
+
+               ret = rte_mtr_meter_profile_add
+                       (port_id, DEFAULT_METER_PROF_ID, &mp, &error);
+               if (ret != 0) {
+                       printf("Port %u create Profile error(%d) message: %s\n",
+                               port_id, error.type,
+                               error.message ? error.message : "(no stated reason)");
+                       rte_exit(EXIT_FAILURE, "Error: Creation meter profile Failed!\n");
+               }
+       }
+}
+
 static inline void
 destroy_flows(int port_id, uint8_t core_id, struct rte_flow **flows_list)
 {
@@ -893,6 +1085,9 @@ destroy_flows(int port_id, uint8_t core_id, struct rte_flow **flows_list)
        int rules_count_per_core;
 
        rules_count_per_core = rules_count / mc_pool.cores_count;
+       /* If group > 0 , should add 1 flow which created in group 0 */
+       if (flow_group > 0 && core_id == 0)
+               rules_count_per_core++;
 
        start_batch = rte_rdtsc();
        for (i = 0; i < (uint32_t) rules_count_per_core; i++) {
@@ -1064,14 +1259,19 @@ flows_handler(uint8_t core_id)
 
                /* Insertion part. */
                mc_pool.last_alloc[core_id] = (int64_t)dump_socket_mem(stdout);
+               if (has_meter())
+                       meters_handler(port_id, core_id, METER_CREATE);
                flows_list = insert_flows(port_id, core_id);
                if (flows_list == NULL)
                        rte_exit(EXIT_FAILURE, "Error: Insertion Failed!\n");
                mc_pool.current_alloc[core_id] = (int64_t)dump_socket_mem(stdout);
 
                /* Deletion part. */
-               if (delete_flag)
+               if (delete_flag) {
                        destroy_flows(port_id, core_id, flows_list);
+                       if (has_meter())
+                               meters_handler(port_id, core_id, METER_DELETE);
+               }
        }
 }
 
@@ -1230,7 +1430,9 @@ run_rte_flow_handler_cores(void *data __rte_unused)
        rte_eal_mp_wait_lcore();
 
        RTE_ETH_FOREACH_DEV(port) {
-
+               if (has_meter())
+                       dump_used_cpu_time("Meters:",
+                               port, &mc_pool.create_meter);
                dump_used_cpu_time("Flows:",
                        port, &mc_pool.create_flow);
                dump_used_mem(port);
@@ -1679,12 +1881,16 @@ main(int argc, char **argv)
 
        printf(":: Flows Count per port: %d\n\n", rules_count);
 
+       if (has_meter())
+               create_meter_profile();
        rte_eal_mp_remote_launch(run_rte_flow_handler_cores, NULL, CALL_MAIN);
 
        if (enable_fwd) {
                init_lcore_info();
                rte_eal_mp_remote_launch(start_forwarding, NULL, CALL_MAIN);
        }
+       if (has_meter() && delete_flag)
+               destroy_meter_profile();
 
        RTE_ETH_FOREACH_DEV(port) {
                rte_flow_flush(port, &error);
index 40d157e..017e200 100644 (file)
@@ -345,3 +345,7 @@ Actions:
 
 *      ``--vxlan-decap``
        Add vxlan decap action to all flows actions.
+
+*       ``--meter``
+        Add meter action to all flows actions.
+        Currently, 1 meter profile -> N meter rules -> N rte flows.