Imported Upstream version 17.05

Change-Id: Id1e419c5a214e4a18739663b91f0f9a549f1fdc6
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>

1 files changed, 0 insertions, 579 deletions

diff --git a/app/test/test_distributor.c b/app/test/test_distributor.c
deleted file mode 100644
index 85cb8f39..00000000
--- a/app/test/test_distributor.c
+++ /dev/null
@@ -1,579 +0,0 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *   All rights reserved.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "test.h"
-
-#include <unistd.h>
-#include <string.h>
-#include <rte_cycles.h>
-#include <rte_errno.h>
-#include <rte_mempool.h>
-#include <rte_mbuf.h>
-#include <rte_distributor.h>
-
-#define ITER_POWER 20 /* log 2 of how many iterations we do when timing. */
-#define BURST 32
-#define BIG_BATCH 1024
-
-/* statics - all zero-initialized by default */
-static volatile int quit;      /**< general quit variable for all threads */
-static volatile int zero_quit; /**< var for when we just want thr0 to quit*/
-static volatile unsigned worker_idx;
-
-struct worker_stats {
-	volatile unsigned handled_packets;
-} __rte_cache_aligned;
-struct worker_stats worker_stats[RTE_MAX_LCORE];
-
-/* returns the total count of the number of packets handled by the worker
- * functions given below.
- */
-static inline unsigned
-total_packet_count(void)
-{
-	unsigned i, count = 0;
-	for (i = 0; i < worker_idx; i++)
-		count += worker_stats[i].handled_packets;
-	return count;
-}
-
-/* resets the packet counts for a new test */
-static inline void
-clear_packet_count(void)
-{
-	memset(&worker_stats, 0, sizeof(worker_stats));
-}
-
-/* this is the basic worker function for sanity test
- * it does nothing but return packets and count them.
- */
-static int
-handle_work(void *arg)
-{
-	struct rte_mbuf *pkt = NULL;
-	struct rte_distributor *d = arg;
-	unsigned count = 0;
-	unsigned id = __sync_fetch_and_add(&worker_idx, 1);
-
-	pkt = rte_distributor_get_pkt(d, id, NULL);
-	while (!quit) {
-		worker_stats[id].handled_packets++, count++;
-		pkt = rte_distributor_get_pkt(d, id, pkt);
-	}
-	worker_stats[id].handled_packets++, count++;
-	rte_distributor_return_pkt(d, id, pkt);
-	return 0;
-}
-
-/* do basic sanity testing of the distributor. This test tests the following:
- * - send 32 packets through distributor with the same tag and ensure they
- *   all go to the one worker
- * - send 32 packets throught the distributor with two different tags and
- *   verify that they go equally to two different workers.
- * - send 32 packets with different tags through the distributors and
- *   just verify we get all packets back.
- * - send 1024 packets through the distributor, gathering the returned packets
- *   as we go. Then verify that we correctly got all 1024 pointers back again,
- *   not necessarily in the same order (as different flows).
- */
-static int
-sanity_test(struct rte_distributor *d, struct rte_mempool *p)
-{
-	struct rte_mbuf *bufs[BURST];
-	unsigned i;
-
-	printf("=== Basic distributor sanity tests ===\n");
-	clear_packet_count();
-	if (rte_mempool_get_bulk(p, (void *)bufs, BURST) != 0) {
-		printf("line %d: Error getting mbufs from pool\n", __LINE__);
-		return -1;
-	}
-
-	/* now set all hash values in all buffers to zero, so all pkts go to the
-	 * one worker thread */
-	for (i = 0; i < BURST; i++)
-		bufs[i]->hash.usr = 0;
-
-	rte_distributor_process(d, bufs, BURST);
-	rte_distributor_flush(d);
-	if (total_packet_count() != BURST) {
-		printf("Line %d: Error, not all packets flushed. "
-				"Expected %u, got %u\n",
-				__LINE__, BURST, total_packet_count());
-		return -1;
-	}
-
-	for (i = 0; i < rte_lcore_count() - 1; i++)
-		printf("Worker %u handled %u packets\n", i,
-				worker_stats[i].handled_packets);
-	printf("Sanity test with all zero hashes done.\n");
-	if (worker_stats[0].handled_packets != BURST)
-		return -1;
-
-	/* pick two flows and check they go correctly */
-	if (rte_lcore_count() >= 3) {
-		clear_packet_count();
-		for (i = 0; i < BURST; i++)
-			bufs[i]->hash.usr = (i & 1) << 8;
-
-		rte_distributor_process(d, bufs, BURST);
-		rte_distributor_flush(d);
-		if (total_packet_count() != BURST) {
-			printf("Line %d: Error, not all packets flushed. "
-					"Expected %u, got %u\n",
-					__LINE__, BURST, total_packet_count());
-			return -1;
-		}
-
-		for (i = 0; i < rte_lcore_count() - 1; i++)
-			printf("Worker %u handled %u packets\n", i,
-					worker_stats[i].handled_packets);
-		printf("Sanity test with two hash values done\n");
-
-		if (worker_stats[0].handled_packets != 16 ||
-				worker_stats[1].handled_packets != 16)
-			return -1;
-	}
-
-	/* give a different hash value to each packet,
-	 * so load gets distributed */
-	clear_packet_count();
-	for (i = 0; i < BURST; i++)
-		bufs[i]->hash.usr = i;
-
-	rte_distributor_process(d, bufs, BURST);
-	rte_distributor_flush(d);
-	if (total_packet_count() != BURST) {
-		printf("Line %d: Error, not all packets flushed. "
-				"Expected %u, got %u\n",
-				__LINE__, BURST, total_packet_count());
-		return -1;
-	}
-
-	for (i = 0; i < rte_lcore_count() - 1; i++)
-		printf("Worker %u handled %u packets\n", i,
-				worker_stats[i].handled_packets);
-	printf("Sanity test with non-zero hashes done\n");
-
-	rte_mempool_put_bulk(p, (void *)bufs, BURST);
-
-	/* sanity test with BIG_BATCH packets to ensure they all arrived back
-	 * from the returned packets function */
-	clear_packet_count();
-	struct rte_mbuf *many_bufs[BIG_BATCH], *return_bufs[BIG_BATCH];
-	unsigned num_returned = 0;
-
-	/* flush out any remaining packets */
-	rte_distributor_flush(d);
-	rte_distributor_clear_returns(d);
-	if (rte_mempool_get_bulk(p, (void *)many_bufs, BIG_BATCH) != 0) {
-		printf("line %d: Error getting mbufs from pool\n", __LINE__);
-		return -1;
-	}
-	for (i = 0; i < BIG_BATCH; i++)
-		many_bufs[i]->hash.usr = i << 2;
-
-	for (i = 0; i < BIG_BATCH/BURST; i++) {
-		rte_distributor_process(d, &many_bufs[i*BURST], BURST);
-		num_returned += rte_distributor_returned_pkts(d,
-				&return_bufs[num_returned],
-				BIG_BATCH - num_returned);
-	}
-	rte_distributor_flush(d);
-	num_returned += rte_distributor_returned_pkts(d,
-			&return_bufs[num_returned], BIG_BATCH - num_returned);
-
-	if (num_returned != BIG_BATCH) {
-		printf("line %d: Number returned is not the same as "
-				"number sent\n", __LINE__);
-		return -1;
-	}
-	/* big check -  make sure all packets made it back!! */
-	for (i = 0; i < BIG_BATCH; i++) {
-		unsigned j;
-		struct rte_mbuf *src = many_bufs[i];
-		for (j = 0; j < BIG_BATCH; j++)
-			if (return_bufs[j] == src)
-				break;
-
-		if (j == BIG_BATCH) {
-			printf("Error: could not find source packet #%u\n", i);
-			return -1;
-		}
-	}
-	printf("Sanity test of returned packets done\n");
-
-	rte_mempool_put_bulk(p, (void *)many_bufs, BIG_BATCH);
-
-	printf("\n");
-	return 0;
-}
-
-
-/* to test that the distributor does not lose packets, we use this worker
- * function which frees mbufs when it gets them. The distributor thread does
- * the mbuf allocation. If distributor drops packets we'll eventually run out
- * of mbufs.
- */
-static int
-handle_work_with_free_mbufs(void *arg)
-{
-	struct rte_mbuf *pkt = NULL;
-	struct rte_distributor *d = arg;
-	unsigned count = 0;
-	unsigned id = __sync_fetch_and_add(&worker_idx, 1);
-
-	pkt = rte_distributor_get_pkt(d, id, NULL);
-	while (!quit) {
-		worker_stats[id].handled_packets++, count++;
-		rte_pktmbuf_free(pkt);
-		pkt = rte_distributor_get_pkt(d, id, pkt);
-	}
-	worker_stats[id].handled_packets++, count++;
-	rte_distributor_return_pkt(d, id, pkt);
-	return 0;
-}
-
-/* Perform a sanity test of the distributor with a large number of packets,
- * where we allocate a new set of mbufs for each burst. The workers then
- * free the mbufs. This ensures that we don't have any packet leaks in the
- * library.
- */
-static int
-sanity_test_with_mbuf_alloc(struct rte_distributor *d, struct rte_mempool *p)
-{
-	unsigned i;
-	struct rte_mbuf *bufs[BURST];
-
-	printf("=== Sanity test with mbuf alloc/free  ===\n");
-	clear_packet_count();
-	for (i = 0; i < ((1<<ITER_POWER)); i += BURST) {
-		unsigned j;
-		while (rte_mempool_get_bulk(p, (void *)bufs, BURST) < 0)
-			rte_distributor_process(d, NULL, 0);
-		for (j = 0; j < BURST; j++) {
-			bufs[j]->hash.usr = (i+j) << 1;
-			rte_mbuf_refcnt_set(bufs[j], 1);
-		}
-
-		rte_distributor_process(d, bufs, BURST);
-	}
-
-	rte_distributor_flush(d);
-	if (total_packet_count() < (1<<ITER_POWER)) {
-		printf("Line %u: Packet count is incorrect, %u, expected %u\n",
-				__LINE__, total_packet_count(),
-				(1<<ITER_POWER));
-		return -1;
-	}
-
-	printf("Sanity test with mbuf alloc/free passed\n\n");
-	return 0;
-}
-
-static int
-handle_work_for_shutdown_test(void *arg)
-{
-	struct rte_mbuf *pkt = NULL;
-	struct rte_distributor *d = arg;
-	unsigned count = 0;
-	const unsigned id = __sync_fetch_and_add(&worker_idx, 1);
-
-	pkt = rte_distributor_get_pkt(d, id, NULL);
-	/* wait for quit single globally, or for worker zero, wait
-	 * for zero_quit */
-	while (!quit && !(id == 0 && zero_quit)) {
-		worker_stats[id].handled_packets++, count++;
-		rte_pktmbuf_free(pkt);
-		pkt = rte_distributor_get_pkt(d, id, NULL);
-	}
-	worker_stats[id].handled_packets++, count++;
-	rte_distributor_return_pkt(d, id, pkt);
-
-	if (id == 0) {
-		/* for worker zero, allow it to restart to pick up last packet
-		 * when all workers are shutting down.
-		 */
-		while (zero_quit)
-			usleep(100);
-		pkt = rte_distributor_get_pkt(d, id, NULL);
-		while (!quit) {
-			worker_stats[id].handled_packets++, count++;
-			rte_pktmbuf_free(pkt);
-			pkt = rte_distributor_get_pkt(d, id, NULL);
-		}
-		rte_distributor_return_pkt(d, id, pkt);
-	}
-	return 0;
-}
-
-
-/* Perform a sanity test of the distributor with a large number of packets,
- * where we allocate a new set of mbufs for each burst. The workers then
- * free the mbufs. This ensures that we don't have any packet leaks in the
- * library.
- */
-static int
-sanity_test_with_worker_shutdown(struct rte_distributor *d,
-		struct rte_mempool *p)
-{
-	struct rte_mbuf *bufs[BURST];
-	unsigned i;
-
-	printf("=== Sanity test of worker shutdown ===\n");
-
-	clear_packet_count();
-	if (rte_mempool_get_bulk(p, (void *)bufs, BURST) != 0) {
-		printf("line %d: Error getting mbufs from pool\n", __LINE__);
-		return -1;
-	}
-
-	/* now set all hash values in all buffers to zero, so all pkts go to the
-	 * one worker thread */
-	for (i = 0; i < BURST; i++)
-		bufs[i]->hash.usr = 0;
-
-	rte_distributor_process(d, bufs, BURST);
-	/* at this point, we will have processed some packets and have a full
-	 * backlog for the other ones at worker 0.
-	 */
-
-	/* get more buffers to queue up, again setting them to the same flow */
-	if (rte_mempool_get_bulk(p, (void *)bufs, BURST) != 0) {
-		printf("line %d: Error getting mbufs from pool\n", __LINE__);
-		return -1;
-	}
-	for (i = 0; i < BURST; i++)
-		bufs[i]->hash.usr = 0;
-
-	/* get worker zero to quit */
-	zero_quit = 1;
-	rte_distributor_process(d, bufs, BURST);
-
-	/* flush the distributor */
-	rte_distributor_flush(d);
-	if (total_packet_count() != BURST * 2) {
-		printf("Line %d: Error, not all packets flushed. "
-				"Expected %u, got %u\n",
-				__LINE__, BURST * 2, total_packet_count());
-		return -1;
-	}
-
-	for (i = 0; i < rte_lcore_count() - 1; i++)
-		printf("Worker %u handled %u packets\n", i,
-				worker_stats[i].handled_packets);
-
-	printf("Sanity test with worker shutdown passed\n\n");
-	return 0;
-}
-
-/* Test that the flush function is able to move packets between workers when
- * one worker shuts down..
- */
-static int
-test_flush_with_worker_shutdown(struct rte_distributor *d,
-		struct rte_mempool *p)
-{
-	struct rte_mbuf *bufs[BURST];
-	unsigned i;
-
-	printf("=== Test flush fn with worker shutdown ===\n");
-
-	clear_packet_count();
-	if (rte_mempool_get_bulk(p, (void *)bufs, BURST) != 0) {
-		printf("line %d: Error getting mbufs from pool\n", __LINE__);
-		return -1;
-	}
-
-	/* now set all hash values in all buffers to zero, so all pkts go to the
-	 * one worker thread */
-	for (i = 0; i < BURST; i++)
-		bufs[i]->hash.usr = 0;
-
-	rte_distributor_process(d, bufs, BURST);
-	/* at this point, we will have processed some packets and have a full
-	 * backlog for the other ones at worker 0.
-	 */
-
-	/* get worker zero to quit */
-	zero_quit = 1;
-
-	/* flush the distributor */
-	rte_distributor_flush(d);
-
-	zero_quit = 0;
-	if (total_packet_count() != BURST) {
-		printf("Line %d: Error, not all packets flushed. "
-				"Expected %u, got %u\n",
-				__LINE__, BURST, total_packet_count());
-		return -1;
-	}
-
-	for (i = 0; i < rte_lcore_count() - 1; i++)
-		printf("Worker %u handled %u packets\n", i,
-				worker_stats[i].handled_packets);
-
-	printf("Flush test with worker shutdown passed\n\n");
-	return 0;
-}
-
-static
-int test_error_distributor_create_name(void)
-{
-	struct rte_distributor *d = NULL;
-	char *name = NULL;
-
-	d = rte_distributor_create(name, rte_socket_id(),
-			rte_lcore_count() - 1);
-	if (d != NULL || rte_errno != EINVAL) {
-		printf("ERROR: No error on create() with NULL name param\n");
-		return -1;
-	}
-
-	return 0;
-}
-
-
-static
-int test_error_distributor_create_numworkers(void)
-{
-	struct rte_distributor *d = NULL;
-	d = rte_distributor_create("test_numworkers", rte_socket_id(),
-			RTE_MAX_LCORE + 10);
-	if (d != NULL || rte_errno != EINVAL) {
-		printf("ERROR: No error on create() with num_workers > MAX\n");
-		return -1;
-	}
-	return 0;
-}
-
-
-/* Useful function which ensures that all worker functions terminate */
-static void
-quit_workers(struct rte_distributor *d, struct rte_mempool *p)
-{
-	const unsigned num_workers = rte_lcore_count() - 1;
-	unsigned i;
-	struct rte_mbuf *bufs[RTE_MAX_LCORE];
-	rte_mempool_get_bulk(p, (void *)bufs, num_workers);
-
-	zero_quit = 0;
-	quit = 1;
-	for (i = 0; i < num_workers; i++)
-		bufs[i]->hash.usr = i << 1;
-	rte_distributor_process(d, bufs, num_workers);
-
-	rte_mempool_put_bulk(p, (void *)bufs, num_workers);
-
-	rte_distributor_process(d, NULL, 0);
-	rte_distributor_flush(d);
-	rte_eal_mp_wait_lcore();
-	quit = 0;
-	worker_idx = 0;
-}
-
-static int
-test_distributor(void)
-{
-	static struct rte_distributor *d;
-	static struct rte_mempool *p;
-
-	if (rte_lcore_count() < 2) {
-		printf("ERROR: not enough cores to test distributor\n");
-		return -1;
-	}
-
-	if (d == NULL) {
-		d = rte_distributor_create("Test_distributor", rte_socket_id(),
-				rte_lcore_count() - 1);
-		if (d == NULL) {
-			printf("Error creating distributor\n");
-			return -1;
-		}
-	} else {
-		rte_distributor_flush(d);
-		rte_distributor_clear_returns(d);
-	}
-
-	const unsigned nb_bufs = (511 * rte_lcore_count()) < BIG_BATCH ?
-			(BIG_BATCH * 2) - 1 : (511 * rte_lcore_count());
-	if (p == NULL) {
-		p = rte_pktmbuf_pool_create("DT_MBUF_POOL", nb_bufs, BURST,
-			0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
-		if (p == NULL) {
-			printf("Error creating mempool\n");
-			return -1;
-		}
-	}
-
-	rte_eal_mp_remote_launch(handle_work, d, SKIP_MASTER);
-	if (sanity_test(d, p) < 0)
-		goto err;
-	quit_workers(d, p);
-
-	rte_eal_mp_remote_launch(handle_work_with_free_mbufs, d, SKIP_MASTER);
-	if (sanity_test_with_mbuf_alloc(d, p) < 0)
-		goto err;
-	quit_workers(d, p);
-
-	if (rte_lcore_count() > 2) {
-		rte_eal_mp_remote_launch(handle_work_for_shutdown_test, d,
-				SKIP_MASTER);
-		if (sanity_test_with_worker_shutdown(d, p) < 0)
-			goto err;
-		quit_workers(d, p);
-
-		rte_eal_mp_remote_launch(handle_work_for_shutdown_test, d,
-				SKIP_MASTER);
-		if (test_flush_with_worker_shutdown(d, p) < 0)
-			goto err;
-		quit_workers(d, p);
-
-	} else {
-		printf("Not enough cores to run tests for worker shutdown\n");
-	}
-
-	if (test_error_distributor_create_numworkers() == -1 ||
-			test_error_distributor_create_name() == -1) {
-		printf("rte_distributor_create parameter check tests failed");
-		return -1;
-	}
-
-	return 0;
-
-err:
-	quit_workers(d, p);
-	return -1;
-}
-
-REGISTER_TEST_COMMAND(distributor_autotest, test_distributor);