d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

test/eventdev: add auto-tests for event ring functions

Browse Source 
Add some basic tests for the event ring functions. Not everything needs
testing as there is so much code re-use from the rte_ring code.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Harry van Haaren <harry.van.haaren@intel.com>
This commit is contained in:
Bruce Richardson 2017-06-30 16:06:20 +01:00 committed by Jerin Jacob
parent dc39e2f359
commit 1ee55d7a6e
2 changed files with 277 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
test/test/Makefile
View File

@ -201,6 +201,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_CRYPTODEV) += test_cryptodev.c
ifeq ($(CONFIG_RTE_LIBRTE_EVENTDEV),y)
SRCS-y += test_eventdev.c
SRCS-y += test_event_ring.c
SRCS-$(CONFIG_RTE_LIBRTE_PMD_SW_EVENTDEV) += test_eventdev_sw.c
SRCS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX_SSOVF) += test_eventdev_octeontx.c
endif

276
test/test/test_event_ring.c Normal file
View File

@ -0,0 +1,276 @@
/*-
* BSD LICENSE
*
* Copyright(c) 2010-2017 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 <string.h>
#include <rte_event_ring.h>
#include "test.h"
/*
* Event Ring
* ===========
*
* Test some basic ops for the event rings.
* Does not fully test everything, since most code is reused from rte_ring
* library and tested as part of the normal ring autotests.
*/
#define RING_SIZE 4096
#define MAX_BULK 32
static struct rte_event_ring *r;
/*
* ensure failure to create ring with a bad ring size
*/
static int
test_event_ring_creation_with_wrong_size(void)
{
struct rte_event_ring *rp = NULL;
/* Test if ring size is not power of 2 */
rp = rte_event_ring_create("test_bad_ring_size", RING_SIZE + 1,
SOCKET_ID_ANY, 0);
if (rp != NULL)
return -1;
/* Test if ring size is exceeding the limit */
rp = rte_event_ring_create("test_bad_ring_size", (RTE_RING_SZ_MASK + 1),
SOCKET_ID_ANY, 0);
if (rp != NULL)
return -1;
return 0;
}
/*
* Test to check if a non-power-of-2 count causes the create
* function to fail correctly
*/
static int
test_create_count_odd(void)
{
struct rte_event_ring *r = rte_event_ring_create("test_event_ring_count",
4097, SOCKET_ID_ANY, 0);
if (r != NULL)
return -1;
return 0;
}
static int
test_lookup_null(void)
{
struct rte_event_ring *rlp = rte_event_ring_lookup("ring_not_found");
if (rlp == NULL && rte_errno != ENOENT) {
printf("test failed to return error on null pointer\n");
return -1;
}
return 0;
}
static int
test_basic_event_enqueue_dequeue(void)
{
struct rte_event_ring *sr = NULL;
struct rte_event evs[16];
uint16_t ret, free_count, used_count;
memset(evs, 0, sizeof(evs));
sr = rte_event_ring_create("spsc_ring", 32, rte_socket_id(),
RING_F_SP_ENQ | RING_F_SC_DEQ);
if (sr == NULL) {
printf("Failed to create sp/sc ring\n");
return -1;
}
if (rte_event_ring_get_capacity(sr) != 31) {
printf("Error, invalid capacity\n");
goto error;
}
/* test sp/sc ring */
if (rte_event_ring_count(sr) != 0) {
printf("Error, ring not empty as expected\n");
goto error;
}
if (rte_event_ring_free_count(sr) != rte_event_ring_get_capacity(sr)) {
printf("Error, ring free count not as expected\n");
goto error;
}
ret = rte_event_ring_enqueue_burst(sr, evs, RTE_DIM(evs), &free_count);
if (ret != RTE_DIM(evs) ||
free_count != rte_event_ring_get_capacity(sr) - ret) {
printf("Error, status after enqueue is unexpected\n");
goto error;
}
ret = rte_event_ring_enqueue_burst(sr, evs, RTE_DIM(evs), &free_count);
if (ret != RTE_DIM(evs) - 1 ||
free_count != 0) {
printf("Error, status after enqueue is unexpected\n");
goto error;
}
ret = rte_event_ring_dequeue_burst(sr, evs, RTE_DIM(evs), &used_count);
if (ret != RTE_DIM(evs) ||
used_count != rte_event_ring_get_capacity(sr) - ret) {
printf("Error, status after enqueue is unexpected\n");
goto error;
}
ret = rte_event_ring_dequeue_burst(sr, evs, RTE_DIM(evs), &used_count);
if (ret != RTE_DIM(evs) - 1 ||
used_count != 0) {
printf("Error, status after enqueue is unexpected\n");
goto error;
}
rte_event_ring_free(sr);
return 0;
error:
rte_event_ring_free(sr);
return -1;
}
static int
test_event_ring_with_exact_size(void)
{
struct rte_event_ring *std_ring, *exact_sz_ring;
struct rte_event ev = { .mbuf = NULL };
struct rte_event ev_array[16];
static const unsigned int ring_sz = RTE_DIM(ev_array);
unsigned int i;
std_ring = rte_event_ring_create("std", ring_sz, rte_socket_id(),
RING_F_SP_ENQ | RING_F_SC_DEQ);
if (std_ring == NULL) {
printf("%s: error, can't create std ring\n", __func__);
return -1;
}
exact_sz_ring = rte_event_ring_create("exact sz",
ring_sz, rte_socket_id(),
RING_F_SP_ENQ | RING_F_SC_DEQ | RING_F_EXACT_SZ);
if (exact_sz_ring == NULL) {
printf("%s: error, can't create exact size ring\n", __func__);
return -1;
}
/*
* Check that the exact size ring is bigger than the standard ring
*/
if (rte_event_ring_get_size(std_ring) >=
rte_event_ring_get_size(exact_sz_ring)) {
printf("%s: error, std ring (size: %u) is not smaller than exact size one (size %u)\n",
__func__,
rte_event_ring_get_size(std_ring),
rte_event_ring_get_size(exact_sz_ring));
return -1;
}
/*
* check that the exact_sz_ring can hold one more element than the
* standard ring. (16 vs 15 elements)
*/
for (i = 0; i < ring_sz - 1; i++) {
rte_event_ring_enqueue_burst(std_ring, &ev, 1, NULL);
rte_event_ring_enqueue_burst(exact_sz_ring, &ev, 1, NULL);
}
if (rte_event_ring_enqueue_burst(std_ring, &ev, 1, NULL) != 0) {
printf("%s: error, unexpected successful enqueue\n", __func__);
return -1;
}
if (rte_event_ring_enqueue_burst(exact_sz_ring, &ev, 1, NULL) != 1) {
printf("%s: error, enqueue failed\n", __func__);
return -1;
}
/* check that dequeue returns the expected number of elements */
if (rte_event_ring_dequeue_burst(exact_sz_ring, ev_array,
RTE_DIM(ev_array), NULL) != ring_sz) {
printf("%s: error, failed to dequeue expected nb of elements\n",
__func__);
return -1;
}
/* check that the capacity function returns expected value */
if (rte_event_ring_get_capacity(exact_sz_ring) != ring_sz) {
printf("%s: error, incorrect ring capacity reported\n",
__func__);
return -1;
}
rte_event_ring_free(std_ring);
rte_event_ring_free(exact_sz_ring);
return 0;
}
static int
test_event_ring(void)
{
if (r == NULL)
r = rte_event_ring_create("ev_test", RING_SIZE,
SOCKET_ID_ANY, 0);
if (r == NULL)
return -1;
/* retrieve the ring from its name */
if (rte_event_ring_lookup("ev_test") != r) {
printf("Cannot lookup ring from its name\n");
return -1;
}
/* basic operations */
if (test_create_count_odd() < 0) {
printf("Test failed to detect odd count\n");
return -1;
}
printf("Test detected odd count\n");
if (test_lookup_null() < 0) {
printf("Test failed to detect NULL ring lookup\n");
return -1;
}
printf("Test detected NULL ring lookup\n");
/* test of creating ring with wrong size */
if (test_event_ring_creation_with_wrong_size() < 0)
return -1;
if (test_basic_event_enqueue_dequeue() < 0)
return -1;
if (test_event_ring_with_exact_size() < 0)
return -1;
return 0;
}
REGISTER_TEST_COMMAND(event_ring_autotest, test_event_ring);