diff options
Diffstat (limited to 'app/test/test_ring.c')
-rw-r--r-- | app/test/test_ring.c | 1381 |
1 files changed, 0 insertions, 1381 deletions
diff --git a/app/test/test_ring.c b/app/test/test_ring.c deleted file mode 100644 index ebcb8964..00000000 --- a/app/test/test_ring.c +++ /dev/null @@ -1,1381 +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 <string.h> -#include <stdarg.h> -#include <stdio.h> -#include <stdlib.h> -#include <stdint.h> -#include <inttypes.h> -#include <errno.h> -#include <sys/queue.h> - -#include <rte_common.h> -#include <rte_log.h> -#include <rte_memory.h> -#include <rte_memzone.h> -#include <rte_launch.h> -#include <rte_cycles.h> -#include <rte_eal.h> -#include <rte_per_lcore.h> -#include <rte_lcore.h> -#include <rte_atomic.h> -#include <rte_branch_prediction.h> -#include <rte_malloc.h> -#include <rte_ring.h> -#include <rte_random.h> -#include <rte_common.h> -#include <rte_errno.h> -#include <rte_hexdump.h> - -#include "test.h" - -/* - * Ring - * ==== - * - * #. Basic tests: done on one core: - * - * - Using single producer/single consumer functions: - * - * - Enqueue one object, two objects, MAX_BULK objects - * - Dequeue one object, two objects, MAX_BULK objects - * - Check that dequeued pointers are correct - * - * - Using multi producers/multi consumers functions: - * - * - Enqueue one object, two objects, MAX_BULK objects - * - Dequeue one object, two objects, MAX_BULK objects - * - Check that dequeued pointers are correct - * - * - Test watermark and default bulk enqueue/dequeue: - * - * - Set watermark - * - Set default bulk value - * - Enqueue objects, check that -EDQUOT is returned when - * watermark is exceeded - * - Check that dequeued pointers are correct - * - * #. Check live watermark change - * - * - Start a loop on another lcore that will enqueue and dequeue - * objects in a ring. It will monitor the value of watermark. - * - At the same time, change the watermark on the master lcore. - * - The slave lcore will check that watermark changes from 16 to 32. - * - * #. Performance tests. - * - * Tests done in test_ring_perf.c - */ - -#define RING_SIZE 4096 -#define MAX_BULK 32 - -static rte_atomic32_t synchro; - -static struct rte_ring *r; - -#define TEST_RING_VERIFY(exp) \ - if (!(exp)) { \ - printf("error at %s:%d\tcondition " #exp " failed\n", \ - __func__, __LINE__); \ - rte_ring_dump(stdout, r); \ - return -1; \ - } - -#define TEST_RING_FULL_EMTPY_ITER 8 - -static int -check_live_watermark_change(__attribute__((unused)) void *dummy) -{ - uint64_t hz = rte_get_timer_hz(); - void *obj_table[MAX_BULK]; - unsigned watermark, watermark_old = 16; - uint64_t cur_time, end_time; - int64_t diff = 0; - int i, ret; - unsigned count = 4; - - /* init the object table */ - memset(obj_table, 0, sizeof(obj_table)); - end_time = rte_get_timer_cycles() + (hz / 4); - - /* check that bulk and watermark are 4 and 32 (respectively) */ - while (diff >= 0) { - - /* add in ring until we reach watermark */ - ret = 0; - for (i = 0; i < 16; i ++) { - if (ret != 0) - break; - ret = rte_ring_enqueue_bulk(r, obj_table, count); - } - - if (ret != -EDQUOT) { - printf("Cannot enqueue objects, or watermark not " - "reached (ret=%d)\n", ret); - return -1; - } - - /* read watermark, the only change allowed is from 16 to 32 */ - watermark = r->prod.watermark; - if (watermark != watermark_old && - (watermark_old != 16 || watermark != 32)) { - printf("Bad watermark change %u -> %u\n", watermark_old, - watermark); - return -1; - } - watermark_old = watermark; - - /* dequeue objects from ring */ - while (i--) { - ret = rte_ring_dequeue_bulk(r, obj_table, count); - if (ret != 0) { - printf("Cannot dequeue (ret=%d)\n", ret); - return -1; - } - } - - cur_time = rte_get_timer_cycles(); - diff = end_time - cur_time; - } - - if (watermark_old != 32 ) { - printf(" watermark was not updated (wm=%u)\n", - watermark_old); - return -1; - } - - return 0; -} - -static int -test_live_watermark_change(void) -{ - unsigned lcore_id = rte_lcore_id(); - unsigned lcore_id2 = rte_get_next_lcore(lcore_id, 0, 1); - - printf("Test watermark live modification\n"); - rte_ring_set_water_mark(r, 16); - - /* launch a thread that will enqueue and dequeue, checking - * watermark and quota */ - rte_eal_remote_launch(check_live_watermark_change, NULL, lcore_id2); - - rte_delay_ms(100); - rte_ring_set_water_mark(r, 32); - rte_delay_ms(100); - - if (rte_eal_wait_lcore(lcore_id2) < 0) - return -1; - - return 0; -} - -/* Test for catch on invalid watermark values */ -static int -test_set_watermark( void ){ - unsigned count; - int setwm; - - struct rte_ring *r = rte_ring_lookup("test_ring_basic_ex"); - if(r == NULL){ - printf( " ring lookup failed\n" ); - goto error; - } - count = r->prod.size*2; - setwm = rte_ring_set_water_mark(r, count); - if (setwm != -EINVAL){ - printf("Test failed to detect invalid watermark count value\n"); - goto error; - } - - count = 0; - rte_ring_set_water_mark(r, count); - if (r->prod.watermark != r->prod.size) { - printf("Test failed to detect invalid watermark count value\n"); - goto error; - } - return 0; - -error: - return -1; -} - -/* - * helper routine for test_ring_basic - */ -static int -test_ring_basic_full_empty(void * const src[], void *dst[]) -{ - unsigned i, rand; - const unsigned rsz = RING_SIZE - 1; - - printf("Basic full/empty test\n"); - - for (i = 0; TEST_RING_FULL_EMTPY_ITER != i; i++) { - - /* random shift in the ring */ - rand = RTE_MAX(rte_rand() % RING_SIZE, 1UL); - printf("%s: iteration %u, random shift: %u;\n", - __func__, i, rand); - TEST_RING_VERIFY(-ENOBUFS != rte_ring_enqueue_bulk(r, src, - rand)); - TEST_RING_VERIFY(0 == rte_ring_dequeue_bulk(r, dst, rand)); - - /* fill the ring */ - TEST_RING_VERIFY(-ENOBUFS != rte_ring_enqueue_bulk(r, src, - rsz)); - TEST_RING_VERIFY(0 == rte_ring_free_count(r)); - TEST_RING_VERIFY(rsz == rte_ring_count(r)); - TEST_RING_VERIFY(rte_ring_full(r)); - TEST_RING_VERIFY(0 == rte_ring_empty(r)); - - /* empty the ring */ - TEST_RING_VERIFY(0 == rte_ring_dequeue_bulk(r, dst, rsz)); - TEST_RING_VERIFY(rsz == rte_ring_free_count(r)); - TEST_RING_VERIFY(0 == rte_ring_count(r)); - TEST_RING_VERIFY(0 == rte_ring_full(r)); - TEST_RING_VERIFY(rte_ring_empty(r)); - - /* check data */ - TEST_RING_VERIFY(0 == memcmp(src, dst, rsz)); - rte_ring_dump(stdout, r); - } - return 0; -} - -static int -test_ring_basic(void) -{ - void **src = NULL, **cur_src = NULL, **dst = NULL, **cur_dst = NULL; - int ret; - unsigned i, num_elems; - - /* alloc dummy object pointers */ - src = malloc(RING_SIZE*2*sizeof(void *)); - if (src == NULL) - goto fail; - - for (i = 0; i < RING_SIZE*2 ; i++) { - src[i] = (void *)(unsigned long)i; - } - cur_src = src; - - /* alloc some room for copied objects */ - dst = malloc(RING_SIZE*2*sizeof(void *)); - if (dst == NULL) - goto fail; - - memset(dst, 0, RING_SIZE*2*sizeof(void *)); - cur_dst = dst; - - printf("enqueue 1 obj\n"); - ret = rte_ring_sp_enqueue_bulk(r, cur_src, 1); - cur_src += 1; - if (ret != 0) - goto fail; - - printf("enqueue 2 objs\n"); - ret = rte_ring_sp_enqueue_bulk(r, cur_src, 2); - cur_src += 2; - if (ret != 0) - goto fail; - - printf("enqueue MAX_BULK objs\n"); - ret = rte_ring_sp_enqueue_bulk(r, cur_src, MAX_BULK); - cur_src += MAX_BULK; - if (ret != 0) - goto fail; - - printf("dequeue 1 obj\n"); - ret = rte_ring_sc_dequeue_bulk(r, cur_dst, 1); - cur_dst += 1; - if (ret != 0) - goto fail; - - printf("dequeue 2 objs\n"); - ret = rte_ring_sc_dequeue_bulk(r, cur_dst, 2); - cur_dst += 2; - if (ret != 0) - goto fail; - - printf("dequeue MAX_BULK objs\n"); - ret = rte_ring_sc_dequeue_bulk(r, cur_dst, MAX_BULK); - cur_dst += MAX_BULK; - if (ret != 0) - goto fail; - - /* check data */ - if (memcmp(src, dst, cur_dst - dst)) { - rte_hexdump(stdout, "src", src, cur_src - src); - rte_hexdump(stdout, "dst", dst, cur_dst - dst); - printf("data after dequeue is not the same\n"); - goto fail; - } - cur_src = src; - cur_dst = dst; - - printf("enqueue 1 obj\n"); - ret = rte_ring_mp_enqueue_bulk(r, cur_src, 1); - cur_src += 1; - if (ret != 0) - goto fail; - - printf("enqueue 2 objs\n"); - ret = rte_ring_mp_enqueue_bulk(r, cur_src, 2); - cur_src += 2; - if (ret != 0) - goto fail; - - printf("enqueue MAX_BULK objs\n"); - ret = rte_ring_mp_enqueue_bulk(r, cur_src, MAX_BULK); - cur_src += MAX_BULK; - if (ret != 0) - goto fail; - - printf("dequeue 1 obj\n"); - ret = rte_ring_mc_dequeue_bulk(r, cur_dst, 1); - cur_dst += 1; - if (ret != 0) - goto fail; - - printf("dequeue 2 objs\n"); - ret = rte_ring_mc_dequeue_bulk(r, cur_dst, 2); - cur_dst += 2; - if (ret != 0) - goto fail; - - printf("dequeue MAX_BULK objs\n"); - ret = rte_ring_mc_dequeue_bulk(r, cur_dst, MAX_BULK); - cur_dst += MAX_BULK; - if (ret != 0) - goto fail; - - /* check data */ - if (memcmp(src, dst, cur_dst - dst)) { - rte_hexdump(stdout, "src", src, cur_src - src); - rte_hexdump(stdout, "dst", dst, cur_dst - dst); - printf("data after dequeue is not the same\n"); - goto fail; - } - cur_src = src; - cur_dst = dst; - - printf("fill and empty the ring\n"); - for (i = 0; i<RING_SIZE/MAX_BULK; i++) { - ret = rte_ring_mp_enqueue_bulk(r, cur_src, MAX_BULK); - cur_src += MAX_BULK; - if (ret != 0) - goto fail; - ret = rte_ring_mc_dequeue_bulk(r, cur_dst, MAX_BULK); - cur_dst += MAX_BULK; - if (ret != 0) - goto fail; - } - - /* check data */ - if (memcmp(src, dst, cur_dst - dst)) { - rte_hexdump(stdout, "src", src, cur_src - src); - rte_hexdump(stdout, "dst", dst, cur_dst - dst); - printf("data after dequeue is not the same\n"); - goto fail; - } - - if (test_ring_basic_full_empty(src, dst) != 0) - goto fail; - - cur_src = src; - cur_dst = dst; - - printf("test watermark and default bulk enqueue / dequeue\n"); - rte_ring_set_water_mark(r, 20); - num_elems = 16; - - cur_src = src; - cur_dst = dst; - - ret = rte_ring_enqueue_bulk(r, cur_src, num_elems); - cur_src += num_elems; - if (ret != 0) { - printf("Cannot enqueue\n"); - goto fail; - } - ret = rte_ring_enqueue_bulk(r, cur_src, num_elems); - cur_src += num_elems; - if (ret != -EDQUOT) { - printf("Watermark not exceeded\n"); - goto fail; - } - ret = rte_ring_dequeue_bulk(r, cur_dst, num_elems); - cur_dst += num_elems; - if (ret != 0) { - printf("Cannot dequeue\n"); - goto fail; - } - ret = rte_ring_dequeue_bulk(r, cur_dst, num_elems); - cur_dst += num_elems; - if (ret != 0) { - printf("Cannot dequeue2\n"); - goto fail; - } - - /* check data */ - if (memcmp(src, dst, cur_dst - dst)) { - rte_hexdump(stdout, "src", src, cur_src - src); - rte_hexdump(stdout, "dst", dst, cur_dst - dst); - printf("data after dequeue is not the same\n"); - goto fail; - } - - cur_src = src; - cur_dst = dst; - - ret = rte_ring_mp_enqueue(r, cur_src); - if (ret != 0) - goto fail; - - ret = rte_ring_mc_dequeue(r, cur_dst); - if (ret != 0) - goto fail; - - free(src); - free(dst); - return 0; - - fail: - free(src); - free(dst); - return -1; -} - -static int -test_ring_burst_basic(void) -{ - void **src = NULL, **cur_src = NULL, **dst = NULL, **cur_dst = NULL; - int ret; - unsigned i; - - /* alloc dummy object pointers */ - src = malloc(RING_SIZE*2*sizeof(void *)); - if (src == NULL) - goto fail; - - for (i = 0; i < RING_SIZE*2 ; i++) { - src[i] = (void *)(unsigned long)i; - } - cur_src = src; - - /* alloc some room for copied objects */ - dst = malloc(RING_SIZE*2*sizeof(void *)); - if (dst == NULL) - goto fail; - - memset(dst, 0, RING_SIZE*2*sizeof(void *)); - cur_dst = dst; - - printf("Test SP & SC basic functions \n"); - printf("enqueue 1 obj\n"); - ret = rte_ring_sp_enqueue_burst(r, cur_src, 1); - cur_src += 1; - if ((ret & RTE_RING_SZ_MASK) != 1) - goto fail; - - printf("enqueue 2 objs\n"); - ret = rte_ring_sp_enqueue_burst(r, cur_src, 2); - cur_src += 2; - if ((ret & RTE_RING_SZ_MASK) != 2) - goto fail; - - printf("enqueue MAX_BULK objs\n"); - ret = rte_ring_sp_enqueue_burst(r, cur_src, MAX_BULK) ; - cur_src += MAX_BULK; - if ((ret & RTE_RING_SZ_MASK) != MAX_BULK) - goto fail; - - printf("dequeue 1 obj\n"); - ret = rte_ring_sc_dequeue_burst(r, cur_dst, 1) ; - cur_dst += 1; - if ((ret & RTE_RING_SZ_MASK) != 1) - goto fail; - - printf("dequeue 2 objs\n"); - ret = rte_ring_sc_dequeue_burst(r, cur_dst, 2); - cur_dst += 2; - if ((ret & RTE_RING_SZ_MASK) != 2) - goto fail; - - printf("dequeue MAX_BULK objs\n"); - ret = rte_ring_sc_dequeue_burst(r, cur_dst, MAX_BULK); - cur_dst += MAX_BULK; - if ((ret & RTE_RING_SZ_MASK) != MAX_BULK) - goto fail; - - /* check data */ - if (memcmp(src, dst, cur_dst - dst)) { - rte_hexdump(stdout, "src", src, cur_src - src); - rte_hexdump(stdout, "dst", dst, cur_dst - dst); - printf("data after dequeue is not the same\n"); - goto fail; - } - - cur_src = src; - cur_dst = dst; - - printf("Test enqueue without enough memory space \n"); - for (i = 0; i< (RING_SIZE/MAX_BULK - 1); i++) { - ret = rte_ring_sp_enqueue_burst(r, cur_src, MAX_BULK); - cur_src += MAX_BULK; - if ((ret & RTE_RING_SZ_MASK) != MAX_BULK) { - goto fail; - } - } - - printf("Enqueue 2 objects, free entries = MAX_BULK - 2 \n"); - ret = rte_ring_sp_enqueue_burst(r, cur_src, 2); - cur_src += 2; - if ((ret & RTE_RING_SZ_MASK) != 2) - goto fail; - - printf("Enqueue the remaining entries = MAX_BULK - 2 \n"); - /* Always one free entry left */ - ret = rte_ring_sp_enqueue_burst(r, cur_src, MAX_BULK); - cur_src += MAX_BULK - 3; - if ((ret & RTE_RING_SZ_MASK) != MAX_BULK - 3) - goto fail; - - printf("Test if ring is full \n"); - if (rte_ring_full(r) != 1) - goto fail; - - printf("Test enqueue for a full entry \n"); - ret = rte_ring_sp_enqueue_burst(r, cur_src, MAX_BULK); - if ((ret & RTE_RING_SZ_MASK) != 0) - goto fail; - - printf("Test dequeue without enough objects \n"); - for (i = 0; i<RING_SIZE/MAX_BULK - 1; i++) { - ret = rte_ring_sc_dequeue_burst(r, cur_dst, MAX_BULK); - cur_dst += MAX_BULK; - if ((ret & RTE_RING_SZ_MASK) != MAX_BULK) - goto fail; - } - - /* Available memory space for the exact MAX_BULK entries */ - ret = rte_ring_sc_dequeue_burst(r, cur_dst, 2); - cur_dst += 2; - if ((ret & RTE_RING_SZ_MASK) != 2) - goto fail; - - ret = rte_ring_sc_dequeue_burst(r, cur_dst, MAX_BULK); - cur_dst += MAX_BULK - 3; - if ((ret & RTE_RING_SZ_MASK) != MAX_BULK - 3) - goto fail; - - printf("Test if ring is empty \n"); - /* Check if ring is empty */ - if (1 != rte_ring_empty(r)) - goto fail; - - /* check data */ - if (memcmp(src, dst, cur_dst - dst)) { - rte_hexdump(stdout, "src", src, cur_src - src); - rte_hexdump(stdout, "dst", dst, cur_dst - dst); - printf("data after dequeue is not the same\n"); - goto fail; - } - - cur_src = src; - cur_dst = dst; - - printf("Test MP & MC basic functions \n"); - - printf("enqueue 1 obj\n"); - ret = rte_ring_mp_enqueue_burst(r, cur_src, 1); - cur_src += 1; - if ((ret & RTE_RING_SZ_MASK) != 1) - goto fail; - - printf("enqueue 2 objs\n"); - ret = rte_ring_mp_enqueue_burst(r, cur_src, 2); - cur_src += 2; - if ((ret & RTE_RING_SZ_MASK) != 2) - goto fail; - - printf("enqueue MAX_BULK objs\n"); - ret = rte_ring_mp_enqueue_burst(r, cur_src, MAX_BULK); - cur_src += MAX_BULK; - if ((ret & RTE_RING_SZ_MASK) != MAX_BULK) - goto fail; - - printf("dequeue 1 obj\n"); - ret = rte_ring_mc_dequeue_burst(r, cur_dst, 1); - cur_dst += 1; - if ((ret & RTE_RING_SZ_MASK) != 1) - goto fail; - - printf("dequeue 2 objs\n"); - ret = rte_ring_mc_dequeue_burst(r, cur_dst, 2); - cur_dst += 2; - if ((ret & RTE_RING_SZ_MASK) != 2) - goto fail; - - printf("dequeue MAX_BULK objs\n"); - ret = rte_ring_mc_dequeue_burst(r, cur_dst, MAX_BULK); - cur_dst += MAX_BULK; - if ((ret & RTE_RING_SZ_MASK) != MAX_BULK) - goto fail; - - /* check data */ - if (memcmp(src, dst, cur_dst - dst)) { - rte_hexdump(stdout, "src", src, cur_src - src); - rte_hexdump(stdout, "dst", dst, cur_dst - dst); - printf("data after dequeue is not the same\n"); - goto fail; - } - - cur_src = src; - cur_dst = dst; - - printf("fill and empty the ring\n"); - for (i = 0; i<RING_SIZE/MAX_BULK; i++) { - ret = rte_ring_mp_enqueue_burst(r, cur_src, MAX_BULK); - cur_src += MAX_BULK; - if ((ret & RTE_RING_SZ_MASK) != MAX_BULK) - goto fail; - ret = rte_ring_mc_dequeue_burst(r, cur_dst, MAX_BULK); - cur_dst += MAX_BULK; - if ((ret & RTE_RING_SZ_MASK) != MAX_BULK) - goto fail; - } - - /* check data */ - if (memcmp(src, dst, cur_dst - dst)) { - rte_hexdump(stdout, "src", src, cur_src - src); - rte_hexdump(stdout, "dst", dst, cur_dst - dst); - printf("data after dequeue is not the same\n"); - goto fail; - } - - cur_src = src; - cur_dst = dst; - - printf("Test enqueue without enough memory space \n"); - for (i = 0; i<RING_SIZE/MAX_BULK - 1; i++) { - ret = rte_ring_mp_enqueue_burst(r, cur_src, MAX_BULK); - cur_src += MAX_BULK; - if ((ret & RTE_RING_SZ_MASK) != MAX_BULK) - goto fail; - } - - /* Available memory space for the exact MAX_BULK objects */ - ret = rte_ring_mp_enqueue_burst(r, cur_src, 2); - cur_src += 2; - if ((ret & RTE_RING_SZ_MASK) != 2) - goto fail; - - ret = rte_ring_mp_enqueue_burst(r, cur_src, MAX_BULK); - cur_src += MAX_BULK - 3; - if ((ret & RTE_RING_SZ_MASK) != MAX_BULK - 3) - goto fail; - - - printf("Test dequeue without enough objects \n"); - for (i = 0; i<RING_SIZE/MAX_BULK - 1; i++) { - ret = rte_ring_mc_dequeue_burst(r, cur_dst, MAX_BULK); - cur_dst += MAX_BULK; - if ((ret & RTE_RING_SZ_MASK) != MAX_BULK) - goto fail; - } - - /* Available objects - the exact MAX_BULK */ - ret = rte_ring_mc_dequeue_burst(r, cur_dst, 2); - cur_dst += 2; - if ((ret & RTE_RING_SZ_MASK) != 2) - goto fail; - - ret = rte_ring_mc_dequeue_burst(r, cur_dst, MAX_BULK); - cur_dst += MAX_BULK - 3; - if ((ret & RTE_RING_SZ_MASK) != MAX_BULK - 3) - goto fail; - - /* check data */ - if (memcmp(src, dst, cur_dst - dst)) { - rte_hexdump(stdout, "src", src, cur_src - src); - rte_hexdump(stdout, "dst", dst, cur_dst - dst); - printf("data after dequeue is not the same\n"); - goto fail; - } - - cur_src = src; - cur_dst = dst; - - printf("Covering rte_ring_enqueue_burst functions \n"); - - ret = rte_ring_enqueue_burst(r, cur_src, 2); - cur_src += 2; - if ((ret & RTE_RING_SZ_MASK) != 2) - goto fail; - - ret = rte_ring_dequeue_burst(r, cur_dst, 2); - cur_dst += 2; - if (ret != 2) - goto fail; - - /* Free memory before test completed */ - free(src); - free(dst); - return 0; - - fail: - free(src); - free(dst); - return -1; -} - -static int -test_ring_stats(void) -{ - -#ifndef RTE_LIBRTE_RING_DEBUG - printf("Enable RTE_LIBRTE_RING_DEBUG to test ring stats.\n"); - return 0; -#else - void **src = NULL, **cur_src = NULL, **dst = NULL, **cur_dst = NULL; - int ret; - unsigned i; - unsigned num_items = 0; - unsigned failed_enqueue_ops = 0; - unsigned failed_enqueue_items = 0; - unsigned failed_dequeue_ops = 0; - unsigned failed_dequeue_items = 0; - unsigned last_enqueue_ops = 0; - unsigned last_enqueue_items = 0; - unsigned last_quota_ops = 0; - unsigned last_quota_items = 0; - unsigned lcore_id = rte_lcore_id(); - struct rte_ring_debug_stats *ring_stats = &r->stats[lcore_id]; - - printf("Test the ring stats.\n"); - - /* Reset the watermark in case it was set in another test. */ - rte_ring_set_water_mark(r, 0); - - /* Reset the ring stats. */ - memset(&r->stats[lcore_id], 0, sizeof(r->stats[lcore_id])); - - /* Allocate some dummy object pointers. */ - src = malloc(RING_SIZE*2*sizeof(void *)); - if (src == NULL) - goto fail; - - for (i = 0; i < RING_SIZE*2 ; i++) { - src[i] = (void *)(unsigned long)i; - } - - /* Allocate some memory for copied objects. */ - dst = malloc(RING_SIZE*2*sizeof(void *)); - if (dst == NULL) - goto fail; - - memset(dst, 0, RING_SIZE*2*sizeof(void *)); - - /* Set the head and tail pointers. */ - cur_src = src; - cur_dst = dst; - - /* Do Enqueue tests. */ - printf("Test the dequeue stats.\n"); - - /* Fill the ring up to RING_SIZE -1. */ - printf("Fill the ring.\n"); - for (i = 0; i< (RING_SIZE/MAX_BULK); i++) { - rte_ring_sp_enqueue_burst(r, cur_src, MAX_BULK); - cur_src += MAX_BULK; - } - - /* Adjust for final enqueue = MAX_BULK -1. */ - cur_src--; - - printf("Verify that the ring is full.\n"); - if (rte_ring_full(r) != 1) - goto fail; - - - printf("Verify the enqueue success stats.\n"); - /* Stats should match above enqueue operations to fill the ring. */ - if (ring_stats->enq_success_bulk != (RING_SIZE/MAX_BULK)) - goto fail; - - /* Current max objects is RING_SIZE -1. */ - if (ring_stats->enq_success_objs != RING_SIZE -1) - goto fail; - - /* Shouldn't have any failures yet. */ - if (ring_stats->enq_fail_bulk != 0) - goto fail; - if (ring_stats->enq_fail_objs != 0) - goto fail; - - - printf("Test stats for SP burst enqueue to a full ring.\n"); - num_items = 2; - ret = rte_ring_sp_enqueue_burst(r, cur_src, num_items); - if ((ret & RTE_RING_SZ_MASK) != 0) - goto fail; - - failed_enqueue_ops += 1; - failed_enqueue_items += num_items; - - /* The enqueue should have failed. */ - if (ring_stats->enq_fail_bulk != failed_enqueue_ops) - goto fail; - if (ring_stats->enq_fail_objs != failed_enqueue_items) - goto fail; - - - printf("Test stats for SP bulk enqueue to a full ring.\n"); - num_items = 4; - ret = rte_ring_sp_enqueue_bulk(r, cur_src, num_items); - if (ret != -ENOBUFS) - goto fail; - - failed_enqueue_ops += 1; - failed_enqueue_items += num_items; - - /* The enqueue should have failed. */ - if (ring_stats->enq_fail_bulk != failed_enqueue_ops) - goto fail; - if (ring_stats->enq_fail_objs != failed_enqueue_items) - goto fail; - - - printf("Test stats for MP burst enqueue to a full ring.\n"); - num_items = 8; - ret = rte_ring_mp_enqueue_burst(r, cur_src, num_items); - if ((ret & RTE_RING_SZ_MASK) != 0) - goto fail; - - failed_enqueue_ops += 1; - failed_enqueue_items += num_items; - - /* The enqueue should have failed. */ - if (ring_stats->enq_fail_bulk != failed_enqueue_ops) - goto fail; - if (ring_stats->enq_fail_objs != failed_enqueue_items) - goto fail; - - - printf("Test stats for MP bulk enqueue to a full ring.\n"); - num_items = 16; - ret = rte_ring_mp_enqueue_bulk(r, cur_src, num_items); - if (ret != -ENOBUFS) - goto fail; - - failed_enqueue_ops += 1; - failed_enqueue_items += num_items; - - /* The enqueue should have failed. */ - if (ring_stats->enq_fail_bulk != failed_enqueue_ops) - goto fail; - if (ring_stats->enq_fail_objs != failed_enqueue_items) - goto fail; - - - /* Do Dequeue tests. */ - printf("Test the dequeue stats.\n"); - - printf("Empty the ring.\n"); - for (i = 0; i<RING_SIZE/MAX_BULK; i++) { - rte_ring_sc_dequeue_burst(r, cur_dst, MAX_BULK); - cur_dst += MAX_BULK; - } - - /* There was only RING_SIZE -1 objects to dequeue. */ - cur_dst++; - - printf("Verify ring is empty.\n"); - if (1 != rte_ring_empty(r)) - goto fail; - - printf("Verify the dequeue success stats.\n"); - /* Stats should match above dequeue operations. */ - if (ring_stats->deq_success_bulk != (RING_SIZE/MAX_BULK)) - goto fail; - - /* Objects dequeued is RING_SIZE -1. */ - if (ring_stats->deq_success_objs != RING_SIZE -1) - goto fail; - - /* Shouldn't have any dequeue failure stats yet. */ - if (ring_stats->deq_fail_bulk != 0) - goto fail; - - printf("Test stats for SC burst dequeue with an empty ring.\n"); - num_items = 2; - ret = rte_ring_sc_dequeue_burst(r, cur_dst, num_items); - if ((ret & RTE_RING_SZ_MASK) != 0) - goto fail; - - failed_dequeue_ops += 1; - failed_dequeue_items += num_items; - - /* The dequeue should have failed. */ - if (ring_stats->deq_fail_bulk != failed_dequeue_ops) - goto fail; - if (ring_stats->deq_fail_objs != failed_dequeue_items) - goto fail; - - - printf("Test stats for SC bulk dequeue with an empty ring.\n"); - num_items = 4; - ret = rte_ring_sc_dequeue_bulk(r, cur_dst, num_items); - if (ret != -ENOENT) - goto fail; - - failed_dequeue_ops += 1; - failed_dequeue_items += num_items; - - /* The dequeue should have failed. */ - if (ring_stats->deq_fail_bulk != failed_dequeue_ops) - goto fail; - if (ring_stats->deq_fail_objs != failed_dequeue_items) - goto fail; - - - printf("Test stats for MC burst dequeue with an empty ring.\n"); - num_items = 8; - ret = rte_ring_mc_dequeue_burst(r, cur_dst, num_items); - if ((ret & RTE_RING_SZ_MASK) != 0) - goto fail; - failed_dequeue_ops += 1; - failed_dequeue_items += num_items; - - /* The dequeue should have failed. */ - if (ring_stats->deq_fail_bulk != failed_dequeue_ops) - goto fail; - if (ring_stats->deq_fail_objs != failed_dequeue_items) - goto fail; - - - printf("Test stats for MC bulk dequeue with an empty ring.\n"); - num_items = 16; - ret = rte_ring_mc_dequeue_bulk(r, cur_dst, num_items); - if (ret != -ENOENT) - goto fail; - - failed_dequeue_ops += 1; - failed_dequeue_items += num_items; - - /* The dequeue should have failed. */ - if (ring_stats->deq_fail_bulk != failed_dequeue_ops) - goto fail; - if (ring_stats->deq_fail_objs != failed_dequeue_items) - goto fail; - - - printf("Test total enqueue/dequeue stats.\n"); - /* At this point the enqueue and dequeue stats should be the same. */ - if (ring_stats->enq_success_bulk != ring_stats->deq_success_bulk) - goto fail; - if (ring_stats->enq_success_objs != ring_stats->deq_success_objs) - goto fail; - if (ring_stats->enq_fail_bulk != ring_stats->deq_fail_bulk) - goto fail; - if (ring_stats->enq_fail_objs != ring_stats->deq_fail_objs) - goto fail; - - - /* Watermark Tests. */ - printf("Test the watermark/quota stats.\n"); - - printf("Verify the initial watermark stats.\n"); - /* Watermark stats should be 0 since there is no watermark. */ - if (ring_stats->enq_quota_bulk != 0) - goto fail; - if (ring_stats->enq_quota_objs != 0) - goto fail; - - /* Set a watermark. */ - rte_ring_set_water_mark(r, 16); - - /* Reset pointers. */ - cur_src = src; - cur_dst = dst; - - last_enqueue_ops = ring_stats->enq_success_bulk; - last_enqueue_items = ring_stats->enq_success_objs; - - - printf("Test stats for SP burst enqueue below watermark.\n"); - num_items = 8; - ret = rte_ring_sp_enqueue_burst(r, cur_src, num_items); - if ((ret & RTE_RING_SZ_MASK) != num_items) - goto fail; - - /* Watermark stats should still be 0. */ - if (ring_stats->enq_quota_bulk != 0) - goto fail; - if (ring_stats->enq_quota_objs != 0) - goto fail; - - /* Success stats should have increased. */ - if (ring_stats->enq_success_bulk != last_enqueue_ops + 1) - goto fail; - if (ring_stats->enq_success_objs != last_enqueue_items + num_items) - goto fail; - - last_enqueue_ops = ring_stats->enq_success_bulk; - last_enqueue_items = ring_stats->enq_success_objs; - - - printf("Test stats for SP burst enqueue at watermark.\n"); - num_items = 8; - ret = rte_ring_sp_enqueue_burst(r, cur_src, num_items); - if ((ret & RTE_RING_SZ_MASK) != num_items) - goto fail; - - /* Watermark stats should have changed. */ - if (ring_stats->enq_quota_bulk != 1) - goto fail; - if (ring_stats->enq_quota_objs != num_items) - goto fail; - - last_quota_ops = ring_stats->enq_quota_bulk; - last_quota_items = ring_stats->enq_quota_objs; - - - printf("Test stats for SP burst enqueue above watermark.\n"); - num_items = 1; - ret = rte_ring_sp_enqueue_burst(r, cur_src, num_items); - if ((ret & RTE_RING_SZ_MASK) != num_items) - goto fail; - - /* Watermark stats should have changed. */ - if (ring_stats->enq_quota_bulk != last_quota_ops +1) - goto fail; - if (ring_stats->enq_quota_objs != last_quota_items + num_items) - goto fail; - - last_quota_ops = ring_stats->enq_quota_bulk; - last_quota_items = ring_stats->enq_quota_objs; - - - printf("Test stats for MP burst enqueue above watermark.\n"); - num_items = 2; - ret = rte_ring_mp_enqueue_burst(r, cur_src, num_items); - if ((ret & RTE_RING_SZ_MASK) != num_items) - goto fail; - - /* Watermark stats should have changed. */ - if (ring_stats->enq_quota_bulk != last_quota_ops +1) - goto fail; - if (ring_stats->enq_quota_objs != last_quota_items + num_items) - goto fail; - - last_quota_ops = ring_stats->enq_quota_bulk; - last_quota_items = ring_stats->enq_quota_objs; - - - printf("Test stats for SP bulk enqueue above watermark.\n"); - num_items = 4; - ret = rte_ring_sp_enqueue_bulk(r, cur_src, num_items); - if (ret != -EDQUOT) - goto fail; - - /* Watermark stats should have changed. */ - if (ring_stats->enq_quota_bulk != last_quota_ops +1) - goto fail; - if (ring_stats->enq_quota_objs != last_quota_items + num_items) - goto fail; - - last_quota_ops = ring_stats->enq_quota_bulk; - last_quota_items = ring_stats->enq_quota_objs; - - - printf("Test stats for MP bulk enqueue above watermark.\n"); - num_items = 8; - ret = rte_ring_mp_enqueue_bulk(r, cur_src, num_items); - if (ret != -EDQUOT) - goto fail; - - /* Watermark stats should have changed. */ - if (ring_stats->enq_quota_bulk != last_quota_ops +1) - goto fail; - if (ring_stats->enq_quota_objs != last_quota_items + num_items) - goto fail; - - printf("Test watermark success stats.\n"); - /* Success stats should be same as last non-watermarked enqueue. */ - if (ring_stats->enq_success_bulk != last_enqueue_ops) - goto fail; - if (ring_stats->enq_success_objs != last_enqueue_items) - goto fail; - - - /* Cleanup. */ - - /* Empty the ring. */ - for (i = 0; i<RING_SIZE/MAX_BULK; i++) { - rte_ring_sc_dequeue_burst(r, cur_dst, MAX_BULK); - cur_dst += MAX_BULK; - } - - /* Reset the watermark. */ - rte_ring_set_water_mark(r, 0); - - /* Reset the ring stats. */ - memset(&r->stats[lcore_id], 0, sizeof(r->stats[lcore_id])); - - /* Free memory before test completed */ - free(src); - free(dst); - return 0; - -fail: - free(src); - free(dst); - return -1; -#endif -} - -/* - * it will always fail to create ring with a wrong ring size number in this function - */ -static int -test_ring_creation_with_wrong_size(void) -{ - struct rte_ring * rp = NULL; - - /* Test if ring size is not power of 2 */ - rp = rte_ring_create("test_bad_ring_size", RING_SIZE + 1, SOCKET_ID_ANY, 0); - if (NULL != rp) { - return -1; - } - - /* Test if ring size is exceeding the limit */ - rp = rte_ring_create("test_bad_ring_size", (RTE_RING_SZ_MASK + 1), SOCKET_ID_ANY, 0); - if (NULL != rp) { - return -1; - } - return 0; -} - -/* - * it tests if it would always fail to create ring with an used ring name - */ -static int -test_ring_creation_with_an_used_name(void) -{ - struct rte_ring * rp; - - rp = rte_ring_create("test", RING_SIZE, SOCKET_ID_ANY, 0); - if (NULL != rp) - return -1; - - return 0; -} - -/* - * Test to if a non-power of 2 count causes the create - * function to fail correctly - */ -static int -test_create_count_odd(void) -{ - struct rte_ring *r = rte_ring_create("test_ring_count", - 4097, SOCKET_ID_ANY, 0 ); - if(r != NULL){ - return -1; - } - return 0; -} - -static int -test_lookup_null(void) -{ - struct rte_ring *rlp = rte_ring_lookup("ring_not_found"); - if (rlp ==NULL) - if (rte_errno != ENOENT){ - printf( "test failed to returnn error on null pointer\n"); - return -1; - } - return 0; -} - -/* - * it tests some more basic ring operations - */ -static int -test_ring_basic_ex(void) -{ - int ret = -1; - unsigned i; - struct rte_ring * rp; - void **obj = NULL; - - obj = rte_calloc("test_ring_basic_ex_malloc", RING_SIZE, sizeof(void *), 0); - if (obj == NULL) { - printf("test_ring_basic_ex fail to rte_malloc\n"); - goto fail_test; - } - - rp = rte_ring_create("test_ring_basic_ex", RING_SIZE, SOCKET_ID_ANY, - RING_F_SP_ENQ | RING_F_SC_DEQ); - if (rp == NULL) { - printf("test_ring_basic_ex fail to create ring\n"); - goto fail_test; - } - - if (rte_ring_lookup("test_ring_basic_ex") != rp) { - goto fail_test; - } - - if (rte_ring_empty(rp) != 1) { - printf("test_ring_basic_ex ring is not empty but it should be\n"); - goto fail_test; - } - - printf("%u ring entries are now free\n", rte_ring_free_count(rp)); - - for (i = 0; i < RING_SIZE; i ++) { - rte_ring_enqueue(rp, obj[i]); - } - - if (rte_ring_full(rp) != 1) { - printf("test_ring_basic_ex ring is not full but it should be\n"); - goto fail_test; - } - - for (i = 0; i < RING_SIZE; i ++) { - rte_ring_dequeue(rp, &obj[i]); - } - - if (rte_ring_empty(rp) != 1) { - printf("test_ring_basic_ex ring is not empty but it should be\n"); - goto fail_test; - } - - /* Covering the ring burst operation */ - ret = rte_ring_enqueue_burst(rp, obj, 2); - if ((ret & RTE_RING_SZ_MASK) != 2) { - printf("test_ring_basic_ex: rte_ring_enqueue_burst fails \n"); - goto fail_test; - } - - ret = rte_ring_dequeue_burst(rp, obj, 2); - if (ret != 2) { - printf("test_ring_basic_ex: rte_ring_dequeue_burst fails \n"); - goto fail_test; - } - - ret = 0; -fail_test: - if (obj != NULL) - rte_free(obj); - - return ret; -} - -static int -test_ring(void) -{ - /* some more basic operations */ - if (test_ring_basic_ex() < 0) - return -1; - - rte_atomic32_init(&synchro); - - if (r == NULL) - r = rte_ring_create("test", RING_SIZE, SOCKET_ID_ANY, 0); - if (r == NULL) - return -1; - - /* retrieve the ring from its name */ - if (rte_ring_lookup("test") != r) { - printf("Cannot lookup ring from its name\n"); - return -1; - } - - /* burst operations */ - if (test_ring_burst_basic() < 0) - return -1; - - /* basic operations */ - if (test_ring_basic() < 0) - return -1; - - /* ring stats */ - if (test_ring_stats() < 0) - return -1; - - /* basic operations */ - if (test_live_watermark_change() < 0) - return -1; - - if ( test_set_watermark() < 0){ - printf ("Test failed to detect invalid parameter\n"); - return -1; - } - else - printf ( "Test detected forced bad watermark values\n"); - - if ( test_create_count_odd() < 0){ - printf ("Test failed to detect odd count\n"); - return -1; - } - else - printf ( "Test detected odd count\n"); - - if ( test_lookup_null() < 0){ - printf ("Test failed to detect NULL ring lookup\n"); - return -1; - } - else - printf ( "Test detected NULL ring lookup \n"); - - /* test of creating ring with wrong size */ - if (test_ring_creation_with_wrong_size() < 0) - return -1; - - /* test of creation ring with an used name */ - if (test_ring_creation_with_an_used_name() < 0) - return -1; - - /* dump the ring status */ - rte_ring_list_dump(stdout); - - return 0; -} - -REGISTER_TEST_COMMAND(ring_autotest, test_ring); |