#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 MAGIC_DATA 0x42424242
+
#define MAKE_STRING(x) # x
static struct rte_mempool *pktmbuf_pool = NULL;
+static struct rte_mempool *pktmbuf_pool2 = NULL;
-#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;
* - 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 { \
static int
testclone_testupdate_testdetach(void)
{
-#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(void)
+{
+ 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");
+
+ rte_pktmbuf_detach(clone2);
+ if (c_data2 != rte_pktmbuf_mtod(clone2, char *))
+ GOTO_FAIL("clone2 was not detached properly\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
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)
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");
/*
* Stress test for rte_mbuf atomic refcnt.
- * Implies that:
- * RTE_MBUF_REFCNT and RTE_MBUF_REFCNT_ATOMIC are both defined.
+ * Implies that RTE_MBUF_REFCNT_ATOMIC is defined.
* For more efficency, recomended 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)
printf("%s finished at lcore %u, "
"number of freed mbufs: %u\n",
__func__, lcore, free);
- return (0);
+ return 0;
}
static void
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;
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)) == NULL) {
printf("%s: cannot allocate " MAKE_STRING(refcnt_pool) "\n",
__func__);
- return (-1);
+ return -1;
}
if (refcnt_mbuf_ring == NULL &&
RING_F_SP_ENQ)) == NULL) {
printf("%s: cannot allocate " MAKE_STRING(refcnt_mbuf_ring)
"\n", __func__);
- return (-1);
+ return -1;
}
refcnt_stop_slaves = 0;
rte_ring_dump(stdout, refcnt_mbuf_ring);
#endif
- return (0);
-}
-
-#ifdef RTE_EXEC_ENV_BAREMETAL
-
-/* baremetal - don't test failing sanity checks */
-static int
-test_failing_mbuf_sanity_check(void)
-{
return 0;
}
-#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)
{
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(void)
{
- RTE_BUILD_BUG_ON(sizeof(struct rte_mbuf) != 64);
+ 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_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);
+ pktmbuf_pool = rte_pktmbuf_pool_create("test_pktmbuf_pool",
+ NB_MBUF, 32, 0, MBUF_DATA_SIZE, SOCKET_ID_ANY);
}
if (pktmbuf_pool == NULL) {
return -1;
}
+ /* 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",
+ NB_MBUF, 32, MBUF2_PRIV_SIZE, 0, SOCKET_ID_ANY);
+ }
+
+ if (pktmbuf_pool2 == NULL) {
+ printf("cannot allocate mbuf pool\n");
+ return -1;
+ }
+
/* test multiple mbuf alloc */
if (test_pktmbuf_pool() < 0) {
printf("test_mbuf_pool() failed\n");
return -1;
}
+ if (test_attach_from_different_pool() < 0) {
+ printf("test_attach_from_different_pool() failed\n");
+ return -1;
+ }
+
if (test_refcnt_mbuf()<0){
printf("test_refcnt_mbuf() failed \n");
return -1;
git.droids-corp.org / dpdk.git / blobdiff