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From: <pbhagavatula@marvell.com>
To: <jerinj@marvell.com>, Marko Kovacevic <marko.kovacevic@intel.com>,
	Ori Kam <orika@mellanox.com>,
	Bruce Richardson <bruce.richardson@intel.com>,
	"Radu Nicolau" <radu.nicolau@intel.com>,
	Akhil Goyal <akhil.goyal@nxp.com>,
	"Tomasz Kantecki" <tomasz.kantecki@intel.com>,
	Sunil Kumar Kori <skori@marvell.com>,
	Pavan Nikhilesh <pbhagavatula@marvell.com>
Cc: <dev@dpdk.org>
Subject: [dpdk-dev] [PATCH v2 01/11] examples/l3fwd: add framework for event device
Date: Wed, 4 Dec 2019 20:13:34 +0530
Message-ID: <20191204144345.5736-2-pbhagavatula@marvell.com> (raw)
In-Reply-To: <20191204144345.5736-1-pbhagavatula@marvell.com>

From: Sunil Kumar Kori <skori@marvell.com>

Add framework to enable event device as a producer of packets.
To switch between event mode and poll mode the following options
have been added:
	`--mode="eventdev"` or `--mode="poll"`
Also, allow the user to select the schedule type to be either
RTE_SCHED_TYPE_ORDERED, RTE_SCHED_TYPE_ATOMIC or RTE_SCHED_TYPE_PARALLEL
through:
	`--eventq-sched="ordered"` or `--eventq-sched="atomic"` or
		`--eventq-sched="parallel"`

Poll mode is still the default operation mode.

Signed-off-by: Sunil Kumar Kori <skori@marvell.com>
---
 examples/l3fwd/Makefile      |  2 +-
 examples/l3fwd/l3fwd.h       |  6 +++
 examples/l3fwd/l3fwd_event.c | 75 ++++++++++++++++++++++++++++++++++++
 examples/l3fwd/l3fwd_event.h | 54 ++++++++++++++++++++++++++
 examples/l3fwd/main.c        | 41 +++++++++++++++++---
 examples/l3fwd/meson.build   |  4 +-
 6 files changed, 174 insertions(+), 8 deletions(-)
 create mode 100644 examples/l3fwd/l3fwd_event.c
 create mode 100644 examples/l3fwd/l3fwd_event.h

diff --git a/examples/l3fwd/Makefile b/examples/l3fwd/Makefile
index b2dbf2607..c892b867b 100644
--- a/examples/l3fwd/Makefile
+++ b/examples/l3fwd/Makefile
@@ -5,7 +5,7 @@
 APP = l3fwd
 
 # all source are stored in SRCS-y
-SRCS-y := main.c l3fwd_lpm.c l3fwd_em.c
+SRCS-y := main.c l3fwd_lpm.c l3fwd_em.c l3fwd_event.c
 
 # Build using pkg-config variables if possible
 ifeq ($(shell pkg-config --exists libdpdk && echo 0),0)
diff --git a/examples/l3fwd/l3fwd.h b/examples/l3fwd/l3fwd.h
index 293fb1fa2..cd17a41b3 100644
--- a/examples/l3fwd/l3fwd.h
+++ b/examples/l3fwd/l3fwd.h
@@ -5,6 +5,9 @@
 #ifndef __L3_FWD_H__
 #define __L3_FWD_H__
 
+#include <stdbool.h>
+
+#include <rte_ethdev.h>
 #include <rte_vect.h>
 
 #define DO_RFC_1812_CHECKS
@@ -169,6 +172,9 @@ is_valid_ipv4_pkt(struct rte_ipv4_hdr *pkt, uint32_t link_len)
 }
 #endif /* DO_RFC_1812_CHECKS */
 
+void
+print_usage(const char *prgname);
+
 /* Function pointers for LPM or EM functionality. */
 void
 setup_lpm(const int socketid);
diff --git a/examples/l3fwd/l3fwd_event.c b/examples/l3fwd/l3fwd_event.c
new file mode 100644
index 000000000..3892720be
--- /dev/null
+++ b/examples/l3fwd/l3fwd_event.c
@@ -0,0 +1,75 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2019 Marvell International Ltd.
+ */
+
+#include <stdbool.h>
+#include <getopt.h>
+
+#include "l3fwd.h"
+#include "l3fwd_event.h"
+
+static void
+parse_mode(const char *optarg)
+{
+	struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
+
+	if (!strncmp(optarg, "poll", 4))
+		evt_rsrc->enabled = false;
+	else if (!strncmp(optarg, "eventdev", 8))
+		evt_rsrc->enabled = true;
+}
+
+static void
+parse_eventq_sync(const char *optarg)
+{
+	struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
+
+	if (!strncmp(optarg, "ordered", 7))
+		evt_rsrc->sched_type = RTE_SCHED_TYPE_ORDERED;
+	if (!strncmp(optarg, "atomic", 6))
+		evt_rsrc->sched_type = RTE_SCHED_TYPE_ATOMIC;
+	if (!strncmp(optarg, "parallel", 8))
+		evt_rsrc->sched_type = RTE_SCHED_TYPE_PARALLEL;
+}
+
+static void
+l3fwd_parse_eventdev_args(char **argv, int argc)
+{
+	const struct option eventdev_lgopts[] = {
+		{CMD_LINE_OPT_MODE, 1, 0, CMD_LINE_OPT_MODE_NUM},
+		{CMD_LINE_OPT_EVENTQ_SYNC, 1, 0, CMD_LINE_OPT_EVENTQ_SYNC_NUM},
+		{NULL, 0, 0, 0}
+	};
+	char *prgname = argv[0];
+	char **argvopt = argv;
+	int32_t option_index;
+	int32_t opt;
+
+	while ((opt = getopt_long(argc, argvopt, "", eventdev_lgopts,
+					&option_index)) != EOF) {
+		switch (opt) {
+		case CMD_LINE_OPT_MODE_NUM:
+			parse_mode(optarg);
+			break;
+
+		case CMD_LINE_OPT_EVENTQ_SYNC_NUM:
+			parse_eventq_sync(optarg);
+			break;
+
+		default:
+			print_usage(prgname);
+			exit(1);
+		}
+	}
+}
+
+void
+l3fwd_event_resource_setup(void)
+{
+	struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
+
+	/* Parse eventdev command line options */
+	l3fwd_parse_eventdev_args(evt_rsrc->args, evt_rsrc->nb_args);
+	if (!evt_rsrc->enabled)
+		return;
+}
diff --git a/examples/l3fwd/l3fwd_event.h b/examples/l3fwd/l3fwd_event.h
new file mode 100644
index 000000000..c95296c38
--- /dev/null
+++ b/examples/l3fwd/l3fwd_event.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2019 Marvell International Ltd.
+ */
+
+#ifndef __L3FWD_EVENTDEV_H__
+#define __L3FWD_EVENTDEV_H__
+
+#include <rte_common.h>
+#include <rte_eventdev.h>
+#include <rte_spinlock.h>
+
+#include "l3fwd.h"
+
+#define CMD_LINE_OPT_MODE "mode"
+#define CMD_LINE_OPT_EVENTQ_SYNC "eventq-sched"
+
+enum {
+	CMD_LINE_OPT_MODE_NUM = 265,
+	CMD_LINE_OPT_EVENTQ_SYNC_NUM,
+};
+
+struct l3fwd_event_resources {
+	uint8_t sched_type;
+	uint8_t enabled;
+	uint8_t nb_args;
+	char **args;
+};
+
+static inline struct l3fwd_event_resources *
+l3fwd_get_eventdev_rsrc(void)
+{
+	static const char name[RTE_MEMZONE_NAMESIZE] = "l3fwd_event_rsrc";
+	const struct rte_memzone *mz;
+
+	mz = rte_memzone_lookup(name);
+
+	if (mz != NULL)
+		return mz->addr;
+
+	mz = rte_memzone_reserve(name, sizeof(struct l3fwd_event_resources),
+				 0, 0);
+	if (mz != NULL) {
+		memset(mz->addr, 0, sizeof(struct l3fwd_event_resources));
+		return mz->addr;
+	}
+
+	rte_exit(EXIT_FAILURE, "Unable to allocate memory for eventdev cfg\n");
+
+	return NULL;
+}
+
+void l3fwd_event_resource_setup(void);
+
+#endif /* __L3FWD_EVENTDEV_H__ */
diff --git a/examples/l3fwd/main.c b/examples/l3fwd/main.c
index 4dea12a65..19ca4483c 100644
--- a/examples/l3fwd/main.c
+++ b/examples/l3fwd/main.c
@@ -13,12 +13,12 @@
 #include <errno.h>
 #include <getopt.h>
 #include <signal.h>
-#include <stdbool.h>
 
 #include <rte_common.h>
 #include <rte_vect.h>
 #include <rte_byteorder.h>
 #include <rte_log.h>
+#include <rte_malloc.h>
 #include <rte_memory.h>
 #include <rte_memcpy.h>
 #include <rte_eal.h>
@@ -33,7 +33,6 @@
 #include <rte_random.h>
 #include <rte_debug.h>
 #include <rte_ether.h>
-#include <rte_ethdev.h>
 #include <rte_mempool.h>
 #include <rte_mbuf.h>
 #include <rte_ip.h>
@@ -46,6 +45,7 @@
 #include <cmdline_parse_etheraddr.h>
 
 #include "l3fwd.h"
+#include "l3fwd_event.h"
 
 /*
  * Configurable number of RX/TX ring descriptors
@@ -274,7 +274,7 @@ init_lcore_rx_queues(void)
 }
 
 /* display usage */
-static void
+void
 print_usage(const char *prgname)
 {
 	fprintf(stderr, "%s [EAL options] --"
@@ -289,7 +289,9 @@ print_usage(const char *prgname)
 		" [--hash-entry-num]"
 		" [--ipv6]"
 		" [--parse-ptype]"
-		" [--per-port-pool]\n\n"
+		" [--per-port-pool]"
+		" [--mode]"
+		" [--eventq-sched]\n\n"
 
 		"  -p PORTMASK: Hexadecimal bitmask of ports to configure\n"
 		"  -P : Enable promiscuous mode\n"
@@ -304,7 +306,13 @@ print_usage(const char *prgname)
 		"  --hash-entry-num: Specify the hash entry number in hexadecimal to be setup\n"
 		"  --ipv6: Set if running ipv6 packets\n"
 		"  --parse-ptype: Set to use software to analyze packet type\n"
-		"  --per-port-pool: Use separate buffer pool per port\n\n",
+		"  --per-port-pool: Use separate buffer pool per port\n"
+		"  --mode: Packet transfer mode for I/O, poll or eventdev\n"
+		"          Default mode = poll\n"
+		"  --eventq-sched: Event queue synchronization method "
+		"                  ordered, atomic or parallel.\n\t\t"
+		"		   Default: atomic\n\t\t"
+		"                  Valid only if --mode=eventdev\n\n",
 		prgname);
 }
 
@@ -504,11 +512,19 @@ static const struct option lgopts[] = {
 static int
 parse_args(int argc, char **argv)
 {
+	struct l3fwd_event_resources *evt_rsrc;
 	int opt, ret;
 	char **argvopt;
 	int option_index;
 	char *prgname = argv[0];
 
+	evt_rsrc = l3fwd_get_eventdev_rsrc();
+	evt_rsrc->args = rte_zmalloc("l3fwd_event_args", sizeof(char *), 0);
+	if (evt_rsrc->args == NULL)
+		rte_exit(EXIT_FAILURE,
+				"Unable to allocate memory for eventdev arg");
+	evt_rsrc->args[0] = argv[0];
+	evt_rsrc->nb_args++;
 	argvopt = argv;
 
 	/* Error or normal output strings. */
@@ -538,6 +554,15 @@ parse_args(int argc, char **argv)
 			l3fwd_lpm_on = 1;
 			break;
 
+		case '?':
+			/* Eventdev options are encountered skip for
+			 * now and processed later.
+			 */
+			evt_rsrc->args[evt_rsrc->nb_args] =
+				argv[optind - 1];
+			evt_rsrc->nb_args++;
+			break;
+
 		/* long options */
 		case CMD_LINE_OPT_CONFIG_NUM:
 			ret = parse_config(optarg);
@@ -811,6 +836,7 @@ prepare_ptype_parser(uint16_t portid, uint16_t queueid)
 int
 main(int argc, char **argv)
 {
+	struct l3fwd_event_resources *evt_rsrc;
 	struct lcore_conf *qconf;
 	struct rte_eth_dev_info dev_info;
 	struct rte_eth_txconf *txconf;
@@ -839,11 +865,16 @@ main(int argc, char **argv)
 		*(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
 	}
 
+	evt_rsrc = l3fwd_get_eventdev_rsrc();
+	RTE_SET_USED(evt_rsrc);
 	/* parse application arguments (after the EAL ones) */
 	ret = parse_args(argc, argv);
 	if (ret < 0)
 		rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
 
+	/* Configure eventdev parameters if user has requested */
+	l3fwd_event_resource_setup();
+
 	if (check_lcore_params() < 0)
 		rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
 
diff --git a/examples/l3fwd/meson.build b/examples/l3fwd/meson.build
index 6dd4b9022..864327c7b 100644
--- a/examples/l3fwd/meson.build
+++ b/examples/l3fwd/meson.build
@@ -6,7 +6,7 @@
 # To build this example as a standalone application with an already-installed
 # DPDK instance, use 'make'
 
-deps += ['hash', 'lpm']
+deps += ['hash', 'lpm', 'eventdev']
 sources = files(
-	'l3fwd_em.c', 'l3fwd_lpm.c', 'main.c'
+	'l3fwd_em.c', 'l3fwd_lpm.c', 'l3fwd_event.c', 'main.c'
 )
-- 
2.17.1


  reply index

Thread overview: 77+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-04 14:43 [dpdk-dev] [PATCH v2 00/11] example/l3fwd: introduce event device support pbhagavatula
2019-12-04 14:43 ` pbhagavatula [this message]
2020-01-03 12:49   ` [dpdk-dev] [PATCH v2 01/11] examples/l3fwd: add framework for event device Ananyev, Konstantin
2020-01-06  4:27     ` Pavan Nikhilesh Bhagavatula
2020-01-06 12:32       ` Ananyev, Konstantin
2020-01-07 16:34         ` Pavan Nikhilesh Bhagavatula
2019-12-04 14:43 ` [dpdk-dev] [PATCH v2 02/11] examples/l3fwd: split pipelines based on capability pbhagavatula
2019-12-04 14:43 ` [dpdk-dev] [PATCH v2 03/11] examples/l3fwd: add event device configuration pbhagavatula
2019-12-04 14:43 ` [dpdk-dev] [PATCH v2 04/11] examples/l3fwd: add ethdev setup based on eventdev pbhagavatula
2019-12-27 13:33   ` Nipun Gupta
2019-12-29 15:42     ` Pavan Nikhilesh Bhagavatula
2019-12-30  7:40       ` Nipun Gupta
2020-01-02  6:21         ` Pavan Nikhilesh Bhagavatula
2020-01-02  8:49           ` Nipun Gupta
2020-01-02  9:33             ` Jerin Jacob
2020-01-03  9:06               ` Nipun Gupta
2020-01-03  9:09                 ` Jerin Jacob
2019-12-04 14:43 ` [dpdk-dev] [PATCH v2 05/11] examples/l3fwd: add event port and queue setup pbhagavatula
2019-12-04 14:43 ` [dpdk-dev] [PATCH v2 06/11] examples/l3fwd: add event eth Rx/Tx adapter setup pbhagavatula
2019-12-04 14:43 ` [dpdk-dev] [PATCH v2 07/11] examples/l3fwd: add service core setup based on caps pbhagavatula
2020-01-03 13:07   ` Ananyev, Konstantin
2020-01-06  4:29     ` Pavan Nikhilesh Bhagavatula
2019-12-04 14:43 ` [dpdk-dev] [PATCH v2 08/11] examples/l3fwd: add event lpm main loop pbhagavatula
2020-01-03 13:16   ` Ananyev, Konstantin
2020-01-06  4:43     ` Pavan Nikhilesh Bhagavatula
2019-12-04 14:43 ` [dpdk-dev] [PATCH v2 09/11] examples/l3fwd: add event em " pbhagavatula
2020-01-03 13:45   ` Ananyev, Konstantin
2020-01-06  4:44     ` Pavan Nikhilesh Bhagavatula
2020-01-06 12:27       ` Ananyev, Konstantin
2019-12-04 14:43 ` [dpdk-dev] [PATCH v2 10/11] examples/l3fwd: add graceful teardown for eventdevice pbhagavatula
2020-01-03 13:52   ` Ananyev, Konstantin
2020-01-06  4:50     ` Pavan Nikhilesh Bhagavatula
2020-01-06 12:12       ` Ananyev, Konstantin
2020-01-07 16:28         ` Pavan Nikhilesh Bhagavatula
2019-12-04 14:43 ` [dpdk-dev] [PATCH v2 11/11] doc: update l3fwd user guide to support eventdev pbhagavatula
2019-12-04 15:16 ` [dpdk-dev] [PATCH v2 00/11] example/l3fwd: introduce event device support Jerin Jacob
2020-01-11 13:47 ` [dpdk-dev] [PATCH v3 " pbhagavatula
2020-01-11 13:47   ` [dpdk-dev] [PATCH v3 01/11] examples/l3fwd: add framework for event device pbhagavatula
2020-01-21  8:44     ` Jerin Jacob
2020-01-11 13:47   ` [dpdk-dev] [PATCH v3 02/11] examples/l3fwd: split pipelines based on capability pbhagavatula
2020-01-21  8:46     ` Jerin Jacob
2020-01-11 13:47   ` [dpdk-dev] [PATCH v3 03/11] examples/l3fwd: add event device configuration pbhagavatula
2020-01-21  8:51     ` Jerin Jacob
2020-01-11 13:47   ` [dpdk-dev] [PATCH v3 04/11] examples/l3fwd: add ethdev setup based on eventdev pbhagavatula
2020-01-11 13:47   ` [dpdk-dev] [PATCH v3 05/11] examples/l3fwd: add event port and queue setup pbhagavatula
2020-01-11 13:47   ` [dpdk-dev] [PATCH v3 06/11] examples/l3fwd: add event eth Rx/Tx adapter setup pbhagavatula
2020-01-11 13:47   ` [dpdk-dev] [PATCH v3 07/11] examples/l3fwd: add service core setup based on caps pbhagavatula
2020-01-11 13:47   ` [dpdk-dev] [PATCH v3 08/11] examples/l3fwd: add event lpm main loop pbhagavatula
2020-01-11 13:47   ` [dpdk-dev] [PATCH v3 09/11] examples/l3fwd: add event em " pbhagavatula
2020-01-11 13:47   ` [dpdk-dev] [PATCH v3 10/11] examples/l3fwd: add graceful teardown for eventdevice pbhagavatula
2020-01-11 13:47   ` [dpdk-dev] [PATCH v3 11/11] doc: update l3fwd user guide to support eventdev pbhagavatula
2020-01-13 12:02   ` [dpdk-dev] [PATCH v3 00/11] example/l3fwd: introduce event device support Nipun Gupta
2020-01-22 18:28   ` [dpdk-dev] [PATCH v4 " pbhagavatula
2020-01-22 18:28     ` [dpdk-dev] [PATCH v4 01/11] examples/l3fwd: add framework for event device pbhagavatula
2020-01-22 18:28     ` [dpdk-dev] [PATCH v4 02/11] examples/l3fwd: split pipelines based on capability pbhagavatula
2020-01-22 18:28     ` [dpdk-dev] [PATCH v4 03/11] examples/l3fwd: add event device configuration pbhagavatula
2020-01-22 18:28     ` [dpdk-dev] [PATCH v4 04/11] examples/l3fwd: add ethdev setup based on eventdev pbhagavatula
2020-01-22 18:28     ` [dpdk-dev] [PATCH v4 05/11] examples/l3fwd: add event port and queue setup pbhagavatula
2020-01-22 18:28     ` [dpdk-dev] [PATCH v4 06/11] examples/l3fwd: add event eth Rx/Tx adapter setup pbhagavatula
2020-01-22 18:28     ` [dpdk-dev] [PATCH v4 07/11] examples/l3fwd: add service core setup based on caps pbhagavatula
2020-01-22 18:28     ` [dpdk-dev] [PATCH v4 08/11] examples/l3fwd: add event lpm main loop pbhagavatula
2020-01-22 18:28     ` [dpdk-dev] [PATCH v4 09/11] examples/l3fwd: add event em " pbhagavatula
2020-01-22 18:28     ` [dpdk-dev] [PATCH v4 10/11] examples/l3fwd: add graceful teardown for eventdevice pbhagavatula
2020-01-22 18:28     ` [dpdk-dev] [PATCH v4 11/11] doc: update l3fwd user guide to support eventdev pbhagavatula
2020-01-23  5:25       ` Jerin Jacob
2020-01-24  4:05     ` [dpdk-dev] [PATCH v5 00/11] example/l3fwd: introduce event device support pbhagavatula
2020-01-24  4:05       ` [dpdk-dev] [PATCH v5 01/11] examples/l3fwd: add framework for event device pbhagavatula
2020-01-24  4:05       ` [dpdk-dev] [PATCH v5 02/11] examples/l3fwd: split pipelines based on capability pbhagavatula
2020-01-24  4:05       ` [dpdk-dev] [PATCH v5 03/11] examples/l3fwd: add event device configuration pbhagavatula
2020-01-24  4:05       ` [dpdk-dev] [PATCH v5 04/11] examples/l3fwd: add ethdev setup based on eventdev pbhagavatula
2020-01-24  4:05       ` [dpdk-dev] [PATCH v5 05/11] examples/l3fwd: add event port and queue setup pbhagavatula
2020-01-24  4:05       ` [dpdk-dev] [PATCH v5 06/11] examples/l3fwd: add event eth Rx/Tx adapter setup pbhagavatula
2020-01-24  4:05       ` [dpdk-dev] [PATCH v5 07/11] examples/l3fwd: add service core setup based on caps pbhagavatula
2020-01-24  4:05       ` [dpdk-dev] [PATCH v5 08/11] examples/l3fwd: add event lpm main loop pbhagavatula
2020-01-24  4:05       ` [dpdk-dev] [PATCH v5 09/11] examples/l3fwd: add event em " pbhagavatula
2020-01-24  4:05       ` [dpdk-dev] [PATCH v5 10/11] examples/l3fwd: add graceful teardown for eventdevice pbhagavatula
2020-01-24  4:05       ` [dpdk-dev] [PATCH v5 11/11] doc: update l3fwd user guide to support eventdev pbhagavatula

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Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.dpdk.dev


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git