-/*-
- * 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_tailq.h>
#include <rte_eal.h>
#include <rte_per_lcore.h>
#include <rte_lcore.h>
#include "test.h"
-#define MBUF_SIZE 2048
+#define MBUF_DATA_SIZE 2048
#define NB_MBUF 128
#define MBUF_TEST_DATA_LEN 1464
#define MBUF_TEST_DATA_LEN2 50
#define MBUF_TEST_HDR2_LEN 30
#define MBUF_TEST_ALL_HDRS_LEN (MBUF_TEST_HDR1_LEN+MBUF_TEST_HDR2_LEN)
+/* size of private data for mbuf in pktmbuf_pool2 */
+#define MBUF2_PRIV_SIZE 128
+
#define REFCNT_MAX_ITER 64
#define REFCNT_MAX_TIMEOUT 10
#define REFCNT_MAX_REF (RTE_MAX_LCORE)
#define REFCNT_MBUF_NUM 64
-#define REFCNT_MBUF_SIZE (sizeof (struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
#define REFCNT_RING_SIZE (REFCNT_MBUF_NUM * REFCNT_MAX_REF)
-#define MAKE_STRING(x) # x
+#define MAGIC_DATA 0x42424242
-static struct rte_mempool *pktmbuf_pool = NULL;
+#define MAKE_STRING(x) # x
-#if defined RTE_MBUF_REFCNT && defined RTE_MBUF_REFCNT_ATOMIC
+#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];
* - Repeat the test to check that allocation operations
* reinitialize the mbuf correctly.
*
+ * #. Test packet cloning
+ * - Clone a mbuf and verify the data
+ * - Clone the cloned mbuf and verify the data
+ * - Attach a mbuf to another that does not have the same priv_size.
*/
#define GOTO_FAIL(str, ...) do { \
* 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)
{
-#ifndef RTE_MBUF_REFCNT
- return 0;
-#else
- struct rte_mbuf *mc = NULL;
+ struct rte_mbuf *m = NULL;
struct rte_mbuf *clone = NULL;
+ struct rte_mbuf *clone2 = NULL;
+ unaligned_uint32_t *data;
/* alloc a mbuf */
-
- mc = rte_pktmbuf_alloc(pktmbuf_pool);
- if (mc == NULL)
+ m = rte_pktmbuf_alloc(pktmbuf_pool);
+ if (m == NULL)
GOTO_FAIL("ooops not allocating mbuf");
- if (rte_pktmbuf_pkt_len(mc) != 0)
+ if (rte_pktmbuf_pkt_len(m) != 0)
GOTO_FAIL("Bad length");
+ rte_pktmbuf_append(m, sizeof(uint32_t));
+ data = rte_pktmbuf_mtod(m, unaligned_uint32_t *);
+ *data = MAGIC_DATA;
/* clone the allocated mbuf */
- clone = rte_pktmbuf_clone(mc, pktmbuf_pool);
+ clone = rte_pktmbuf_clone(m, pktmbuf_pool);
if (clone == NULL)
GOTO_FAIL("cannot clone data\n");
+
+ data = rte_pktmbuf_mtod(clone, unaligned_uint32_t *);
+ if (*data != MAGIC_DATA)
+ GOTO_FAIL("invalid data in clone\n");
+
+ if (rte_mbuf_refcnt_read(m) != 2)
+ GOTO_FAIL("invalid refcnt in m\n");
+
+ /* free the clone */
rte_pktmbuf_free(clone);
+ clone = NULL;
- mc->next = rte_pktmbuf_alloc(pktmbuf_pool);
- if(mc->next == NULL)
+ /* same test with a chained mbuf */
+ m->next = rte_pktmbuf_alloc(pktmbuf_pool);
+ if (m->next == NULL)
GOTO_FAIL("Next Pkt Null\n");
- clone = rte_pktmbuf_clone(mc, pktmbuf_pool);
+ rte_pktmbuf_append(m->next, sizeof(uint32_t));
+ data = rte_pktmbuf_mtod(m->next, unaligned_uint32_t *);
+ *data = MAGIC_DATA;
+
+ clone = rte_pktmbuf_clone(m, pktmbuf_pool);
if (clone == NULL)
GOTO_FAIL("cannot clone data\n");
+ data = rte_pktmbuf_mtod(clone, unaligned_uint32_t *);
+ if (*data != MAGIC_DATA)
+ GOTO_FAIL("invalid data in clone\n");
+
+ data = rte_pktmbuf_mtod(clone->next, unaligned_uint32_t *);
+ if (*data != MAGIC_DATA)
+ GOTO_FAIL("invalid data in clone->next\n");
+
+ if (rte_mbuf_refcnt_read(m) != 2)
+ GOTO_FAIL("invalid refcnt in m\n");
+
+ if (rte_mbuf_refcnt_read(m->next) != 2)
+ GOTO_FAIL("invalid refcnt in m->next\n");
+
+ /* try to clone the clone */
+
+ clone2 = rte_pktmbuf_clone(clone, pktmbuf_pool);
+ if (clone2 == NULL)
+ GOTO_FAIL("cannot clone the clone\n");
+
+ data = rte_pktmbuf_mtod(clone2, unaligned_uint32_t *);
+ if (*data != MAGIC_DATA)
+ GOTO_FAIL("invalid data in clone2\n");
+
+ data = rte_pktmbuf_mtod(clone2->next, unaligned_uint32_t *);
+ if (*data != MAGIC_DATA)
+ GOTO_FAIL("invalid data in clone2->next\n");
+
+ if (rte_mbuf_refcnt_read(m) != 3)
+ GOTO_FAIL("invalid refcnt in m\n");
+
+ if (rte_mbuf_refcnt_read(m->next) != 3)
+ GOTO_FAIL("invalid refcnt in m->next\n");
+
/* free mbuf */
- rte_pktmbuf_free(mc);
+ rte_pktmbuf_free(m);
rte_pktmbuf_free(clone);
- mc = NULL;
+ rte_pktmbuf_free(clone2);
+
+ m = NULL;
clone = NULL;
+ clone2 = NULL;
+ printf("%s ok\n", __func__);
return 0;
fail:
- if (mc)
- rte_pktmbuf_free(mc);
+ if (m)
+ rte_pktmbuf_free(m);
+ if (clone)
+ rte_pktmbuf_free(clone);
+ if (clone2)
+ rte_pktmbuf_free(clone2);
return -1;
-#endif /* RTE_MBUF_REFCNT */
}
-#undef GOTO_FAIL
+static int
+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;
+ struct rte_mbuf *clone2 = NULL;
+ char *data, *c_data, *c_data2;
+
+ /* alloc a mbuf */
+ m = rte_pktmbuf_alloc(pktmbuf_pool);
+ if (m == NULL)
+ GOTO_FAIL("cannot allocate mbuf");
+
+ if (rte_pktmbuf_pkt_len(m) != 0)
+ GOTO_FAIL("Bad length");
+
+ data = rte_pktmbuf_mtod(m, char *);
+ /* allocate a new mbuf from the second pool, and attach it to the first
+ * mbuf */
+ clone = rte_pktmbuf_alloc(pktmbuf_pool2);
+ if (clone == NULL)
+ GOTO_FAIL("cannot allocate mbuf from second pool\n");
+
+ /* check data room size and priv size, and erase priv */
+ if (rte_pktmbuf_data_room_size(clone->pool) != 0)
+ GOTO_FAIL("data room size should be 0\n");
+ if (rte_pktmbuf_priv_size(clone->pool) != MBUF2_PRIV_SIZE)
+ GOTO_FAIL("data room size should be %d\n", MBUF2_PRIV_SIZE);
+ memset(clone + 1, 0, MBUF2_PRIV_SIZE);
+
+ /* save data pointer to compare it after detach() */
+ c_data = rte_pktmbuf_mtod(clone, char *);
+ if (c_data != (char *)clone + sizeof(*clone) + MBUF2_PRIV_SIZE)
+ GOTO_FAIL("bad data pointer in clone");
+ if (rte_pktmbuf_headroom(clone) != 0)
+ GOTO_FAIL("bad headroom in clone");
+
+ rte_pktmbuf_attach(clone, m);
+
+ if (rte_pktmbuf_mtod(clone, char *) != data)
+ GOTO_FAIL("clone was not attached properly\n");
+ if (rte_pktmbuf_headroom(clone) != RTE_PKTMBUF_HEADROOM)
+ GOTO_FAIL("bad headroom in clone after attach");
+ if (rte_mbuf_refcnt_read(m) != 2)
+ GOTO_FAIL("invalid refcnt in m\n");
+
+ /* allocate a new mbuf from the second pool, and attach it to the first
+ * cloned mbuf */
+ clone2 = rte_pktmbuf_alloc(pktmbuf_pool2);
+ if (clone2 == NULL)
+ GOTO_FAIL("cannot allocate clone2 from second pool\n");
+
+ /* check data room size and priv size, and erase priv */
+ if (rte_pktmbuf_data_room_size(clone2->pool) != 0)
+ GOTO_FAIL("data room size should be 0\n");
+ if (rte_pktmbuf_priv_size(clone2->pool) != MBUF2_PRIV_SIZE)
+ GOTO_FAIL("data room size should be %d\n", MBUF2_PRIV_SIZE);
+ memset(clone2 + 1, 0, MBUF2_PRIV_SIZE);
+
+ /* save data pointer to compare it after detach() */
+ c_data2 = rte_pktmbuf_mtod(clone2, char *);
+ if (c_data2 != (char *)clone2 + sizeof(*clone2) + MBUF2_PRIV_SIZE)
+ GOTO_FAIL("bad data pointer in clone2");
+ if (rte_pktmbuf_headroom(clone2) != 0)
+ GOTO_FAIL("bad headroom in clone2");
+
+ rte_pktmbuf_attach(clone2, clone);
+
+ if (rte_pktmbuf_mtod(clone2, char *) != data)
+ GOTO_FAIL("clone2 was not attached properly\n");
+ if (rte_pktmbuf_headroom(clone2) != RTE_PKTMBUF_HEADROOM)
+ GOTO_FAIL("bad headroom in clone2 after attach");
+ if (rte_mbuf_refcnt_read(m) != 3)
+ GOTO_FAIL("invalid refcnt in m\n");
+
+ /* detach the clones */
+ 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);
+ rte_pktmbuf_free(clone);
+ rte_pktmbuf_free(m);
+ printf("%s ok\n", __func__);
+ return 0;
+
+fail:
+ if (m)
+ rte_pktmbuf_free(m);
+ if (clone)
+ rte_pktmbuf_free(clone);
+ if (clone2)
+ rte_pktmbuf_free(clone2);
+ return -1;
+}
+#undef GOTO_FAIL
/*
* 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];
printf("Error pool not empty");
ret = -1;
}
-#ifdef RTE_MBUF_REFCNT
extra = rte_pktmbuf_clone(m[0], pktmbuf_pool);
if(extra != NULL) {
printf("Error pool not empty");
ret = -1;
}
-#endif
/* free them */
for (i=0; i<NB_MBUF; i++) {
if (m[i] != NULL)
* 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];
if (m[i] == NULL) {
printf("rte_pktmbuf_alloc() failed (%u)\n", i);
ret = -1;
+ break;
}
m[i]->data_off += 64;
}
if (m[i] == NULL) {
printf("rte_pktmbuf_alloc() failed (%u)\n", i);
ret = -1;
+ break;
}
if (m[i]->data_off != RTE_PKTMBUF_HEADROOM) {
printf("invalid data_off\n");
}
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 and RTE_MBUF_REFCNT_ATOMIC are both defined.
- * For more efficency, recomended to run with RTE_LIBRTE_MBUF_DEBUG defined.
+ * Implies that RTE_MBUF_REFCNT_ATOMIC is defined.
+ * For more efficiency, recommended to run with RTE_LIBRTE_MBUF_DEBUG defined.
*/
-#if defined RTE_MBUF_REFCNT && defined RTE_MBUF_REFCNT_ATOMIC
+#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);
}
}
printf("%s finished at lcore %u, "
"number of freed mbufs: %u\n",
__func__, lcore, free);
- return (0);
+ return 0;
}
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();
printf("%s finished at lcore %u\n", __func__, lcore);
- return (0);
+ return 0;
}
#endif
static int
test_refcnt_mbuf(void)
{
-#if defined RTE_MBUF_REFCNT && defined RTE_MBUF_REFCNT_ATOMIC
-
+#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",
__func__, lnum);
- return (0);
+ return 0;
}
printf("starting %s, at %u lcores\n", __func__, lnum);
/* create refcnt pool & ring if they don't exist */
- if (refcnt_pool == NULL &&
- (refcnt_pool = rte_mempool_create(
- MAKE_STRING(refcnt_pool),
- REFCNT_MBUF_NUM, REFCNT_MBUF_SIZE, 0,
- sizeof(struct rte_pktmbuf_pool_private),
- rte_pktmbuf_pool_init, NULL, rte_pktmbuf_init, NULL,
- SOCKET_ID_ANY, 0)) == 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);
+ 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
- return (0);
-}
-
-#ifdef RTE_EXEC_ENV_BAREMETAL
+ ret = 0;
-/* baremetal - don't test failing sanity checks */
-static int
-test_failing_mbuf_sanity_check(void)
-{
+err:
+ rte_mempool_free(refcnt_pool);
+ rte_ring_free(refcnt_mbuf_ring);
+ return ret;
+#else
return 0;
+#endif
}
-#else
-
#include <unistd.h>
#include <sys/wait.h>
-/* linuxapp - use fork() to test mbuf errors panic */
+/* use fork() to test mbuf errors panic */
static int
verify_mbuf_check_panics(struct rte_mbuf *buf)
{
}
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 -1;
}
-#ifdef RTE_MBUF_REFCNT
badbuf = *buf;
badbuf.refcnt = 0;
if (verify_mbuf_check_panics(&badbuf)) {
printf("Error with bad-refcnt(MAX) mbuf test\n");
return -1;
}
-#endif
return 0;
}
-#endif
+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)
{
- RTE_BUILD_BUG_ON(sizeof(struct rte_mbuf) != 64);
+ 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 */
+ pktmbuf_pool = rte_pktmbuf_pool_create("test_pktmbuf_pool",
+ NB_MBUF, 32, 0, MBUF_DATA_SIZE, SOCKET_ID_ANY);
+
if (pktmbuf_pool == NULL) {
- pktmbuf_pool =
- rte_mempool_create("test_pktmbuf_pool", NB_MBUF,
- MBUF_SIZE, 32,
- sizeof(struct rte_pktmbuf_pool_private),
- rte_pktmbuf_pool_init, NULL,
- rte_pktmbuf_init, NULL,
- SOCKET_ID_ANY, 0);
+ printf("cannot allocate mbuf pool\n");
+ goto err;
}
- if (pktmbuf_pool == NULL) {
+ /* create a specific pktmbuf pool with a priv_size != 0 and no data
+ * room size */
+ 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(pktmbuf_pool, pktmbuf_pool2) < 0) {
+ printf("test_attach_from_different_pool() failed\n");
+ 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);
git.droids-corp.org / dpdk.git / blobdiff