-/*-
- * 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
*/
#include <string.h>
#include <rte_common.h>
#include <rte_debug.h>
#include <rte_log.h>
-#include <rte_common.h>
#include <rte_memory.h>
#include <rte_memcpy.h>
-#include <rte_memzone.h>
#include <rte_launch.h>
#include <rte_eal.h>
#include <rte_per_lcore.h>
#define MAKE_STRING(x) # x
-static struct rte_mempool *pktmbuf_pool = NULL;
-static struct rte_mempool *pktmbuf_pool2 = NULL;
-
#ifdef RTE_MBUF_REFCNT_ATOMIC
-static struct rte_mempool *refcnt_pool = NULL;
-static struct rte_ring *refcnt_mbuf_ring = NULL;
static volatile uint32_t refcnt_stop_slaves;
static unsigned refcnt_lcore[RTE_MAX_LCORE];
* test data manipulation in mbuf with non-ascii data
*/
static int
-test_pktmbuf_with_non_ascii_data(void)
+test_pktmbuf_with_non_ascii_data(struct rte_mempool *pktmbuf_pool)
{
struct rte_mbuf *m = NULL;
char *data;
* test data manipulation in mbuf
*/
static int
-test_one_pktmbuf(void)
+test_one_pktmbuf(struct rte_mempool *pktmbuf_pool)
{
struct rte_mbuf *m = NULL;
char *data, *data2, *hdr;
}
static int
-testclone_testupdate_testdetach(void)
+testclone_testupdate_testdetach(struct rte_mempool *pktmbuf_pool)
{
struct rte_mbuf *m = NULL;
struct rte_mbuf *clone = NULL;
}
static int
-test_attach_from_different_pool(void)
+test_attach_from_different_pool(struct rte_mempool *pktmbuf_pool,
+ struct rte_mempool *pktmbuf_pool2)
{
struct rte_mbuf *m = NULL;
struct rte_mbuf *clone = NULL;
rte_pktmbuf_detach(clone);
if (c_data != rte_pktmbuf_mtod(clone, char *))
GOTO_FAIL("clone was not detached properly\n");
+ if (rte_mbuf_refcnt_read(m) != 2)
+ GOTO_FAIL("invalid refcnt in m\n");
rte_pktmbuf_detach(clone2);
if (c_data2 != rte_pktmbuf_mtod(clone2, char *))
GOTO_FAIL("clone2 was not detached properly\n");
+ if (rte_mbuf_refcnt_read(m) != 1)
+ GOTO_FAIL("invalid refcnt in m\n");
/* free the clones and the initial mbuf */
rte_pktmbuf_free(clone2);
* test allocation and free of mbufs
*/
static int
-test_pktmbuf_pool(void)
+test_pktmbuf_pool(struct rte_mempool *pktmbuf_pool)
{
unsigned i;
struct rte_mbuf *m[NB_MBUF];
* test that the pointer to the data on a packet mbuf is set properly
*/
static int
-test_pktmbuf_pool_ptr(void)
+test_pktmbuf_pool_ptr(struct rte_mempool *pktmbuf_pool)
{
unsigned i;
struct rte_mbuf *m[NB_MBUF];
}
static int
-test_pktmbuf_free_segment(void)
+test_pktmbuf_free_segment(struct rte_mempool *pktmbuf_pool)
{
unsigned i;
struct rte_mbuf *m[NB_MBUF];
/*
* Stress test for rte_mbuf atomic refcnt.
* Implies that RTE_MBUF_REFCNT_ATOMIC is defined.
- * For more efficency, recomended to run with RTE_LIBRTE_MBUF_DEBUG defined.
+ * For more efficiency, recommended to run with RTE_LIBRTE_MBUF_DEBUG defined.
*/
#ifdef RTE_MBUF_REFCNT_ATOMIC
static int
-test_refcnt_slave(__attribute__((unused)) void *arg)
+test_refcnt_slave(void *arg)
{
unsigned lcore, free;
void *mp = 0;
+ struct rte_ring *refcnt_mbuf_ring = arg;
lcore = rte_lcore_id();
printf("%s started at lcore %u\n", __func__, lcore);
while (refcnt_stop_slaves == 0) {
if (rte_ring_dequeue(refcnt_mbuf_ring, &mp) == 0) {
free++;
- rte_pktmbuf_free((struct rte_mbuf *)mp);
+ rte_pktmbuf_free(mp);
}
}
}
static void
-test_refcnt_iter(unsigned lcore, unsigned iter)
+test_refcnt_iter(unsigned int lcore, unsigned int iter,
+ struct rte_mempool *refcnt_pool,
+ struct rte_ring *refcnt_mbuf_ring)
{
uint16_t ref;
unsigned i, n, tref, wn;
* - increment it's reference up to N+1,
* - enqueue it N times into the ring for slave cores to free.
*/
- for (i = 0, n = rte_mempool_count(refcnt_pool);
+ for (i = 0, n = rte_mempool_avail_count(refcnt_pool);
i != n && (m = rte_pktmbuf_alloc(refcnt_pool)) != NULL;
i++) {
ref = RTE_MAX(rte_rand() % REFCNT_MAX_REF, 1UL);
/* check that all mbufs are back into mempool by now */
for (wn = 0; wn != REFCNT_MAX_TIMEOUT; wn++) {
- if ((i = rte_mempool_count(refcnt_pool)) == n) {
+ if ((i = rte_mempool_avail_count(refcnt_pool)) == n) {
refcnt_lcore[lcore] += tref;
printf("%s(lcore=%u, iter=%u) completed, "
"%u references processed\n",
__func__, lcore, iter, tref);
return;
}
- rte_delay_ms(1000);
+ rte_delay_ms(100);
}
rte_panic("(lcore=%u, iter=%u): after %us only "
}
static int
-test_refcnt_master(void)
+test_refcnt_master(struct rte_mempool *refcnt_pool,
+ struct rte_ring *refcnt_mbuf_ring)
{
unsigned i, lcore;
printf("%s started at lcore %u\n", __func__, lcore);
for (i = 0; i != REFCNT_MAX_ITER; i++)
- test_refcnt_iter(lcore, i);
+ test_refcnt_iter(lcore, i, refcnt_pool, refcnt_mbuf_ring);
refcnt_stop_slaves = 1;
rte_wmb();
test_refcnt_mbuf(void)
{
#ifdef RTE_MBUF_REFCNT_ATOMIC
-
unsigned lnum, master, slave, tref;
-
+ int ret = -1;
+ struct rte_mempool *refcnt_pool = NULL;
+ struct rte_ring *refcnt_mbuf_ring = NULL;
if ((lnum = rte_lcore_count()) == 1) {
printf("skipping %s, number of lcores: %u is not enough\n",
/* create refcnt pool & ring if they don't exist */
- if (refcnt_pool == NULL &&
- (refcnt_pool = rte_pktmbuf_pool_create(
- MAKE_STRING(refcnt_pool),
- REFCNT_MBUF_NUM, 0, 0, 0,
- SOCKET_ID_ANY)) == NULL) {
+ refcnt_pool = rte_pktmbuf_pool_create(MAKE_STRING(refcnt_pool),
+ REFCNT_MBUF_NUM, 0, 0, 0,
+ SOCKET_ID_ANY);
+ if (refcnt_pool == NULL) {
printf("%s: cannot allocate " MAKE_STRING(refcnt_pool) "\n",
__func__);
return -1;
}
- if (refcnt_mbuf_ring == NULL &&
- (refcnt_mbuf_ring = rte_ring_create("refcnt_mbuf_ring",
- REFCNT_RING_SIZE, SOCKET_ID_ANY,
- RING_F_SP_ENQ)) == NULL) {
+ refcnt_mbuf_ring = rte_ring_create("refcnt_mbuf_ring",
+ rte_align32pow2(REFCNT_RING_SIZE), SOCKET_ID_ANY,
+ RING_F_SP_ENQ);
+ if (refcnt_mbuf_ring == NULL) {
printf("%s: cannot allocate " MAKE_STRING(refcnt_mbuf_ring)
"\n", __func__);
- return -1;
+ goto err;
}
refcnt_stop_slaves = 0;
memset(refcnt_lcore, 0, sizeof (refcnt_lcore));
- rte_eal_mp_remote_launch(test_refcnt_slave, NULL, SKIP_MASTER);
+ rte_eal_mp_remote_launch(test_refcnt_slave, refcnt_mbuf_ring,
+ SKIP_MASTER);
- test_refcnt_master();
+ test_refcnt_master(refcnt_pool, refcnt_mbuf_ring);
rte_eal_mp_wait_lcore();
rte_mempool_dump(stdout, refcnt_pool);
rte_ring_dump(stdout, refcnt_mbuf_ring);
-#endif
+ ret = 0;
+
+err:
+ rte_mempool_free(refcnt_pool);
+ rte_ring_free(refcnt_mbuf_ring);
+ return ret;
+#else
return 0;
+#endif
}
#include <unistd.h>
}
static int
-test_failing_mbuf_sanity_check(void)
+test_failing_mbuf_sanity_check(struct rte_mempool *pktmbuf_pool)
{
struct rte_mbuf *buf;
struct rte_mbuf badbuf;
}
badbuf = *buf;
- badbuf.buf_physaddr = 0;
+ badbuf.buf_iova = 0;
if (verify_mbuf_check_panics(&badbuf)) {
printf("Error with bad-physaddr mbuf test\n");
return -1;
return 0;
}
+static int
+test_mbuf_linearize(struct rte_mempool *pktmbuf_pool, int pkt_len,
+ int nb_segs)
+{
+
+ struct rte_mbuf *m = NULL, *mbuf = NULL;
+ uint8_t *data;
+ int data_len = 0;
+ int remain;
+ int seg, seg_len;
+ int i;
+
+ if (pkt_len < 1) {
+ printf("Packet size must be 1 or more (is %d)\n", pkt_len);
+ return -1;
+ }
+
+ if (nb_segs < 1) {
+ printf("Number of segments must be 1 or more (is %d)\n",
+ nb_segs);
+ return -1;
+ }
+
+ seg_len = pkt_len / nb_segs;
+ if (seg_len == 0)
+ seg_len = 1;
+
+ remain = pkt_len;
+
+ /* Create chained mbuf_src and fill it generated data */
+ for (seg = 0; remain > 0; seg++) {
+
+ m = rte_pktmbuf_alloc(pktmbuf_pool);
+ if (m == NULL) {
+ printf("Cannot create segment for source mbuf");
+ goto fail;
+ }
+
+ /* Make sure if tailroom is zeroed */
+ memset(rte_pktmbuf_mtod(m, uint8_t *), 0,
+ rte_pktmbuf_tailroom(m));
+
+ data_len = remain;
+ if (data_len > seg_len)
+ data_len = seg_len;
+
+ data = (uint8_t *)rte_pktmbuf_append(m, data_len);
+ if (data == NULL) {
+ printf("Cannot append %d bytes to the mbuf\n",
+ data_len);
+ goto fail;
+ }
+
+ for (i = 0; i < data_len; i++)
+ data[i] = (seg * seg_len + i) % 0x0ff;
+
+ if (seg == 0)
+ mbuf = m;
+ else
+ rte_pktmbuf_chain(mbuf, m);
+
+ remain -= data_len;
+ }
+
+ /* Create destination buffer to store coalesced data */
+ if (rte_pktmbuf_linearize(mbuf)) {
+ printf("Mbuf linearization failed\n");
+ goto fail;
+ }
+
+ if (!rte_pktmbuf_is_contiguous(mbuf)) {
+ printf("Source buffer should be contiguous after "
+ "linearization\n");
+ goto fail;
+ }
+
+ data = rte_pktmbuf_mtod(mbuf, uint8_t *);
+
+ for (i = 0; i < pkt_len; i++)
+ if (data[i] != (i % 0x0ff)) {
+ printf("Incorrect data in linearized mbuf\n");
+ goto fail;
+ }
+
+ rte_pktmbuf_free(mbuf);
+ return 0;
+
+fail:
+ if (mbuf)
+ rte_pktmbuf_free(mbuf);
+ return -1;
+}
+
+static int
+test_mbuf_linearize_check(struct rte_mempool *pktmbuf_pool)
+{
+ struct test_mbuf_array {
+ int size;
+ int nb_segs;
+ } mbuf_array[] = {
+ { 128, 1 },
+ { 64, 64 },
+ { 512, 10 },
+ { 250, 11 },
+ { 123, 8 },
+ };
+ unsigned int i;
+
+ printf("Test mbuf linearize API\n");
+
+ for (i = 0; i < RTE_DIM(mbuf_array); i++)
+ if (test_mbuf_linearize(pktmbuf_pool, mbuf_array[i].size,
+ mbuf_array[i].nb_segs)) {
+ printf("Test failed for %d, %d\n", mbuf_array[i].size,
+ mbuf_array[i].nb_segs);
+ return -1;
+ }
+
+ return 0;
+}
static int
test_mbuf(void)
{
+ int ret = -1;
+ struct rte_mempool *pktmbuf_pool = NULL;
+ struct rte_mempool *pktmbuf_pool2 = NULL;
+
+
RTE_BUILD_BUG_ON(sizeof(struct rte_mbuf) != RTE_CACHE_LINE_MIN_SIZE * 2);
/* create pktmbuf pool if it does not exist */
- if (pktmbuf_pool == NULL) {
- pktmbuf_pool = rte_pktmbuf_pool_create("test_pktmbuf_pool",
+ pktmbuf_pool = rte_pktmbuf_pool_create("test_pktmbuf_pool",
NB_MBUF, 32, 0, MBUF_DATA_SIZE, SOCKET_ID_ANY);
- }
if (pktmbuf_pool == NULL) {
printf("cannot allocate mbuf pool\n");
- return -1;
+ goto err;
}
/* create a specific pktmbuf pool with a priv_size != 0 and no data
* room size */
- if (pktmbuf_pool2 == NULL) {
- pktmbuf_pool2 = rte_pktmbuf_pool_create("test_pktmbuf_pool2",
+ pktmbuf_pool2 = rte_pktmbuf_pool_create("test_pktmbuf_pool2",
NB_MBUF, 32, MBUF2_PRIV_SIZE, 0, SOCKET_ID_ANY);
- }
if (pktmbuf_pool2 == NULL) {
printf("cannot allocate mbuf pool\n");
- return -1;
+ goto err;
}
/* test multiple mbuf alloc */
- if (test_pktmbuf_pool() < 0) {
+ if (test_pktmbuf_pool(pktmbuf_pool) < 0) {
printf("test_mbuf_pool() failed\n");
- return -1;
+ goto err;
}
/* do it another time to check that all mbufs were freed */
- if (test_pktmbuf_pool() < 0) {
+ if (test_pktmbuf_pool(pktmbuf_pool) < 0) {
printf("test_mbuf_pool() failed (2)\n");
- return -1;
+ goto err;
}
/* test that the pointer to the data on a packet mbuf is set properly */
- if (test_pktmbuf_pool_ptr() < 0) {
+ if (test_pktmbuf_pool_ptr(pktmbuf_pool) < 0) {
printf("test_pktmbuf_pool_ptr() failed\n");
- return -1;
+ goto err;
}
/* test data manipulation in mbuf */
- if (test_one_pktmbuf() < 0) {
+ if (test_one_pktmbuf(pktmbuf_pool) < 0) {
printf("test_one_mbuf() failed\n");
- return -1;
+ goto err;
}
* do it another time, to check that allocation reinitialize
* the mbuf correctly
*/
- if (test_one_pktmbuf() < 0) {
+ if (test_one_pktmbuf(pktmbuf_pool) < 0) {
printf("test_one_mbuf() failed (2)\n");
- return -1;
+ goto err;
}
- if (test_pktmbuf_with_non_ascii_data() < 0) {
+ if (test_pktmbuf_with_non_ascii_data(pktmbuf_pool) < 0) {
printf("test_pktmbuf_with_non_ascii_data() failed\n");
- return -1;
+ goto err;
}
/* test free pktmbuf segment one by one */
- if (test_pktmbuf_free_segment() < 0) {
+ if (test_pktmbuf_free_segment(pktmbuf_pool) < 0) {
printf("test_pktmbuf_free_segment() failed.\n");
- return -1;
+ goto err;
}
- if (testclone_testupdate_testdetach()<0){
+ if (testclone_testupdate_testdetach(pktmbuf_pool) < 0) {
printf("testclone_and_testupdate() failed \n");
- return -1;
+ goto err;
}
- if (test_attach_from_different_pool() < 0) {
+ if (test_attach_from_different_pool(pktmbuf_pool, pktmbuf_pool2) < 0) {
printf("test_attach_from_different_pool() failed\n");
- return -1;
+ goto err;
}
if (test_refcnt_mbuf()<0){
printf("test_refcnt_mbuf() failed \n");
- return -1;
+ goto err;
}
- if (test_failing_mbuf_sanity_check() < 0) {
+ if (test_failing_mbuf_sanity_check(pktmbuf_pool) < 0) {
printf("test_failing_mbuf_sanity_check() failed\n");
- return -1;
+ goto err;
}
- return 0;
+
+ if (test_mbuf_linearize_check(pktmbuf_pool) < 0) {
+ printf("test_mbuf_linearize_check() failed\n");
+ goto err;
+ }
+ ret = 0;
+
+err:
+ rte_mempool_free(pktmbuf_pool);
+ rte_mempool_free(pktmbuf_pool2);
+ return ret;
}
-static struct test_command mbuf_cmd = {
- .command = "mbuf_autotest",
- .callback = test_mbuf,
-};
-REGISTER_TEST_COMMAND(mbuf_cmd);
+REGISTER_TEST_COMMAND(mbuf_autotest, test_mbuf);