app/eventdev: add ethernet device producer option

Add command line option --prod_type_ethdev to specify that the events
are generated by ethernet device.

Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
Acked-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>

app/test-eventdev/evt_options.c

@@ -27,6 +27,7 @@ evt_options_default(struct evt_options *opt)
 	opt->pool_sz = 16 * 1024;
 	opt->wkr_deq_dep = 16;
 	opt->nb_pkts = (1ULL << 26); /* do ~64M packets */
+	opt->prod_type = EVT_PROD_TYPE_SYNT;
 }
 
 typedef int (*option_parser_t)(struct evt_options *opt,
@@ -78,6 +79,13 @@ evt_parse_queue_priority(struct evt_options *opt, const char *arg __rte_unused)
 	return 0;
 }
 
+static int
+evt_parse_eth_prod_type(struct evt_options *opt, const char *arg __rte_unused)
+{
+	opt->prod_type = EVT_PROD_TYPE_ETH_RX_ADPTR;
+	return 0;
+}
+
 static int
 evt_parse_test_name(struct evt_options *opt, const char *arg)
 {
@@ -161,6 +169,7 @@ usage(char *program)
 		"\t--worker_deq_depth : dequeue depth of the worker\n"
 		"\t--fwd_latency      : perform fwd_latency measurement\n"
 		"\t--queue_priority   : enable queue priority\n"
+		"\t--prod_type_ethdev : use ethernet device as producer\n."
 		);
 	printf("available tests:\n");
 	evt_test_dump_names();
@@ -221,6 +230,7 @@ static struct option lgopts[] = {
 	{ EVT_SCHED_TYPE_LIST,  1, 0, 0 },
 	{ EVT_FWD_LATENCY,      0, 0, 0 },
 	{ EVT_QUEUE_PRIORITY,   0, 0, 0 },
+	{ EVT_PROD_ETHDEV,      0, 0, 0 },
 	{ EVT_HELP,             0, 0, 0 },
 	{ NULL,                 0, 0, 0 }
 };
@@ -244,6 +254,7 @@ evt_opts_parse_long(int opt_idx, struct evt_options *opt)
 		{ EVT_SCHED_TYPE_LIST, evt_parse_sched_type_list},
 		{ EVT_FWD_LATENCY, evt_parse_fwd_latency},
 		{ EVT_QUEUE_PRIORITY, evt_parse_queue_priority},
+		{ EVT_PROD_ETHDEV, evt_parse_eth_prod_type},
 	};
 
 	for (i = 0; i < RTE_DIM(parsermap); i++) {

app/test-eventdev/evt_options.h

@@ -30,8 +30,16 @@
 #define EVT_SCHED_TYPE_LIST      ("stlist")
 #define EVT_FWD_LATENCY          ("fwd_latency")
 #define EVT_QUEUE_PRIORITY       ("queue_priority")
+#define EVT_PROD_ETHDEV          ("prod_type_ethdev")
 #define EVT_HELP                 ("help")
 
+enum evt_prod_type {
+	EVT_PROD_TYPE_NONE,
+	EVT_PROD_TYPE_SYNT,          /* Producer type Synthetic i.e. CPU. */
+	EVT_PROD_TYPE_ETH_RX_ADPTR,  /* Producer type Eth Rx Adapter. */
+	EVT_PROD_TYPE_MAX,
+};
+
 struct evt_options {
 #define EVT_TEST_NAME_MAX_LEN     32
 	char test_name[EVT_TEST_NAME_MAX_LEN];
@@ -48,6 +56,7 @@ struct evt_options {
 	uint8_t dev_id;
 	uint32_t fwd_latency:1;
 	uint32_t q_priority:1;
+	enum evt_prod_type prod_type;
 };
 
 void evt_options_default(struct evt_options *opt);
@@ -238,4 +247,24 @@ evt_dump_sched_type_list(struct evt_options *opt)
 	evt_dump_end;
 }
 
+#define EVT_PROD_MAX_NAME_LEN 50
+static inline void
+evt_dump_producer_type(struct evt_options *opt)
+{
+	char name[EVT_PROD_MAX_NAME_LEN];
+
+	switch (opt->prod_type) {
+	default:
+	case EVT_PROD_TYPE_SYNT:
+		snprintf(name, EVT_PROD_MAX_NAME_LEN,
+				"Synthetic producer lcores");
+		break;
+	case EVT_PROD_TYPE_ETH_RX_ADPTR:
+		snprintf(name, EVT_PROD_MAX_NAME_LEN,
+				"Ethdev Rx Adapter producers");
+		break;
+	}
+	evt_dump("prod_type", "%s", name);
+}
+
 #endif /* _EVT_OPTIONS_ */

app/test-eventdev/test_perf_common.c

@@ -259,8 +259,10 @@ perf_opt_check(struct evt_options *opt, uint64_t nb_queues)
 {
 	unsigned int lcores;
 
-	/* N producer + N worker + 1 master */
-	lcores = 3;
+	/* N producer + N worker + 1 master when producer cores are used
+	 * Else N worker + 1 master when Rx adapter is used
+	 */
+	lcores = opt->prod_type == EVT_PROD_TYPE_SYNT ? 3 : 2;
 
 	if (rte_lcore_count() < lcores) {
 		evt_err("test need minimum %d lcores", lcores);
@@ -285,18 +287,21 @@ perf_opt_check(struct evt_options *opt, uint64_t nb_queues)
 		return -1;
 	}
 
-	/* Validate producer lcores */
-	if (evt_lcores_has_overlap(opt->plcores, rte_get_master_lcore())) {
-		evt_err("producer lcores overlaps with master lcore");
-		return -1;
-	}
-	if (evt_has_disabled_lcore(opt->plcores)) {
-		evt_err("one or more producer lcores are not enabled");
-		return -1;
-	}
-	if (!evt_has_active_lcore(opt->plcores)) {
-		evt_err("minimum one producer is required");
-		return -1;
+	if (opt->prod_type == EVT_PROD_TYPE_SYNT) {
+		/* Validate producer lcores */
+		if (evt_lcores_has_overlap(opt->plcores,
+					rte_get_master_lcore())) {
+			evt_err("producer lcores overlaps with master lcore");
+			return -1;
+		}
+		if (evt_has_disabled_lcore(opt->plcores)) {
+			evt_err("one or more producer lcores are not enabled");
+			return -1;
+		}
+		if (!evt_has_active_lcore(opt->plcores)) {
+			evt_err("minimum one producer is required");
+			return -1;
+		}
 	}
 
 	if (evt_has_invalid_stage(opt))
@@ -341,6 +346,7 @@ perf_opt_dump(struct evt_options *opt, uint8_t nb_queues)
 	evt_dump("nb_evdev_queues", "%d", nb_queues);
 	evt_dump_queue_priority(opt);
 	evt_dump_sched_type_list(opt);
+	evt_dump_producer_type(opt);
 }
 
 void

doc/guides/tools/testeventdev.rst

@@ -119,6 +119,9 @@ The following are the application command-line options:
 
         Enable queue priority.
 
+* ``--prod_type_ethdev``
+
+        Use ethernet device as producer.
 
 Eventdev Tests
 --------------
@@ -321,6 +324,10 @@ the timestamp in the event on the first stage and then on termination, it
 updates the number of cycles to forward a packet. The application uses this
 value to compute the average latency to a forward packet.
 
+When ``--prod_type_ethdev`` command line option is selected, the application
+uses the probed ethernet devices as producers by configuring them as Rx
+adapters instead of using synthetic producers.
+
 Application options
 ^^^^^^^^^^^^^^^^^^^
 
@@ -339,6 +346,7 @@ Supported application command line options are following::
         --worker_deq_depth
         --fwd_latency
         --queue_priority
+        --prod_type_ethdev
 
 Example
 ^^^^^^^
@@ -350,6 +358,12 @@ Example command to run perf queue test:
    sudo build/app/dpdk-test-eventdev -c 0xf -s 0x1 --vdev=event_sw0 -- \
         --test=perf_queue --plcores=2 --wlcore=3 --stlist=p --nb_pkts=0
 
+Example command to run perf queue test with ethernet ports:
+
+.. code-block:: console
+
+   sudo build/app/dpdk-test-eventdev --vdev=event_sw0 -- \
+        --test=perf_queue --plcores=2 --wlcore=3 --stlist=p --prod_type_ethdev
 
 PERF_ATQ Test
 ~~~~~~~~~~~~~~~
@@ -416,6 +430,7 @@ Supported application command line options are following::
         --nb_pkts
         --worker_deq_depth
         --fwd_latency
+        --prod_type_ethdev
 
 Example
 ^^^^^^^