#include <rte_mbuf.h>
#include <rte_random.h>
#include <rte_cycles.h>
+#include <rte_malloc.h>
#include "test.h"
m->next = rte_pktmbuf_alloc(pktmbuf_pool);
if (m->next == NULL)
GOTO_FAIL("Next Pkt Null\n");
+ m->nb_segs = 2;
rte_pktmbuf_append(m->next, sizeof(uint32_t));
+ m->pkt_len = 2 * sizeof(uint32_t);
+
data = rte_pktmbuf_mtod(m->next, unaligned_uint32_t *);
*data = MAGIC_DATA;
return -1;
}
+static int
+test_pktmbuf_copy(struct rte_mempool *pktmbuf_pool)
+{
+ struct rte_mbuf *m = NULL;
+ struct rte_mbuf *copy = NULL;
+ struct rte_mbuf *copy2 = NULL;
+ struct rte_mbuf *clone = NULL;
+ unaligned_uint32_t *data;
+
+ /* alloc a mbuf */
+ m = rte_pktmbuf_alloc(pktmbuf_pool);
+ if (m == NULL)
+ GOTO_FAIL("ooops not allocating mbuf");
+
+ 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;
+
+ /* copy the allocated mbuf */
+ copy = rte_pktmbuf_copy(m, pktmbuf_pool, 0, UINT32_MAX);
+ if (copy == NULL)
+ GOTO_FAIL("cannot copy data\n");
+
+ if (rte_pktmbuf_pkt_len(copy) != sizeof(uint32_t))
+ GOTO_FAIL("copy length incorrect\n");
+
+ if (rte_pktmbuf_data_len(copy) != sizeof(uint32_t))
+ GOTO_FAIL("copy data length incorrect\n");
+
+ data = rte_pktmbuf_mtod(copy, unaligned_uint32_t *);
+ if (*data != MAGIC_DATA)
+ GOTO_FAIL("invalid data in copy\n");
+
+ /* free the copy */
+ rte_pktmbuf_free(copy);
+ copy = NULL;
+
+ /* same test with a cloned mbuf */
+ clone = rte_pktmbuf_clone(m, pktmbuf_pool);
+ if (clone == NULL)
+ GOTO_FAIL("cannot clone data\n");
+
+ if (!RTE_MBUF_CLONED(clone))
+ GOTO_FAIL("clone did not give a cloned mbuf\n");
+
+ copy = rte_pktmbuf_copy(clone, pktmbuf_pool, 0, UINT32_MAX);
+ if (copy == NULL)
+ GOTO_FAIL("cannot copy cloned mbuf\n");
+
+ if (RTE_MBUF_CLONED(copy))
+ GOTO_FAIL("copy of clone is cloned?\n");
+
+ if (rte_pktmbuf_pkt_len(copy) != sizeof(uint32_t))
+ GOTO_FAIL("copy clone length incorrect\n");
+
+ if (rte_pktmbuf_data_len(copy) != sizeof(uint32_t))
+ GOTO_FAIL("copy clone data length incorrect\n");
+
+ data = rte_pktmbuf_mtod(copy, unaligned_uint32_t *);
+ if (*data != MAGIC_DATA)
+ GOTO_FAIL("invalid data in clone copy\n");
+ rte_pktmbuf_free(clone);
+ rte_pktmbuf_free(copy);
+ copy = NULL;
+ clone = NULL;
+
+
+ /* same test with a chained mbuf */
+ m->next = rte_pktmbuf_alloc(pktmbuf_pool);
+ if (m->next == NULL)
+ GOTO_FAIL("Next Pkt Null\n");
+ m->nb_segs = 2;
+
+ rte_pktmbuf_append(m->next, sizeof(uint32_t));
+ m->pkt_len = 2 * sizeof(uint32_t);
+ data = rte_pktmbuf_mtod(m->next, unaligned_uint32_t *);
+ *data = MAGIC_DATA + 1;
+
+ copy = rte_pktmbuf_copy(m, pktmbuf_pool, 0, UINT32_MAX);
+ if (copy == NULL)
+ GOTO_FAIL("cannot copy data\n");
+
+ if (rte_pktmbuf_pkt_len(copy) != 2 * sizeof(uint32_t))
+ GOTO_FAIL("chain copy length incorrect\n");
+
+ if (rte_pktmbuf_data_len(copy) != 2 * sizeof(uint32_t))
+ GOTO_FAIL("chain copy data length incorrect\n");
+
+ data = rte_pktmbuf_mtod(copy, unaligned_uint32_t *);
+ if (data[0] != MAGIC_DATA || data[1] != MAGIC_DATA + 1)
+ GOTO_FAIL("invalid data in copy\n");
+
+ rte_pktmbuf_free(copy2);
+
+ /* test offset copy */
+ copy2 = rte_pktmbuf_copy(copy, pktmbuf_pool,
+ sizeof(uint32_t), UINT32_MAX);
+ if (copy2 == NULL)
+ GOTO_FAIL("cannot copy the copy\n");
+
+ if (rte_pktmbuf_pkt_len(copy2) != sizeof(uint32_t))
+ GOTO_FAIL("copy with offset, length incorrect\n");
+
+ if (rte_pktmbuf_data_len(copy2) != sizeof(uint32_t))
+ GOTO_FAIL("copy with offset, data length incorrect\n");
+
+ data = rte_pktmbuf_mtod(copy2, unaligned_uint32_t *);
+ if (data[0] != MAGIC_DATA + 1)
+ GOTO_FAIL("copy with offset, invalid data\n");
+
+ rte_pktmbuf_free(copy2);
+
+ /* test truncation copy */
+ copy2 = rte_pktmbuf_copy(copy, pktmbuf_pool,
+ 0, sizeof(uint32_t));
+ if (copy2 == NULL)
+ GOTO_FAIL("cannot copy the copy\n");
+
+ if (rte_pktmbuf_pkt_len(copy2) != sizeof(uint32_t))
+ GOTO_FAIL("copy with truncate, length incorrect\n");
+
+ if (rte_pktmbuf_data_len(copy2) != sizeof(uint32_t))
+ GOTO_FAIL("copy with truncate, data length incorrect\n");
+
+ data = rte_pktmbuf_mtod(copy2, unaligned_uint32_t *);
+ if (data[0] != MAGIC_DATA)
+ GOTO_FAIL("copy with truncate, invalid data\n");
+
+ /* free mbuf */
+ rte_pktmbuf_free(m);
+ rte_pktmbuf_free(copy);
+ rte_pktmbuf_free(copy2);
+
+ m = NULL;
+ copy = NULL;
+ copy2 = NULL;
+ printf("%s ok\n", __func__);
+ return 0;
+
+fail:
+ if (m)
+ rte_pktmbuf_free(m);
+ if (copy)
+ rte_pktmbuf_free(copy);
+ if (copy2)
+ rte_pktmbuf_free(copy2);
+ return -1;
+}
+
static int
test_attach_from_different_pool(struct rte_mempool *pktmbuf_pool,
struct rte_mempool *pktmbuf_pool2)
test_refcnt_mbuf(void)
{
#ifdef RTE_MBUF_REFCNT_ATOMIC
- unsigned lnum, master, slave, tref;
+ unsigned int 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;
+ if (rte_lcore_count() < 2) {
+ printf("Not enough cores for test_refcnt_mbuf, expecting at least 2\n");
+ return TEST_SKIPPED;
}
- printf("starting %s, at %u lcores\n", __func__, lnum);
+ printf("starting %s, at %u lcores\n", __func__, rte_lcore_count());
/* create refcnt pool & ring if they don't exist */
return 0;
}
+/*
+ * Helper function for test_tx_ofload
+ */
+static inline void
+set_tx_offload(struct rte_mbuf *mb, uint64_t il2, uint64_t il3, uint64_t il4,
+ uint64_t tso, uint64_t ol3, uint64_t ol2)
+{
+ mb->l2_len = il2;
+ mb->l3_len = il3;
+ mb->l4_len = il4;
+ mb->tso_segsz = tso;
+ mb->outer_l3_len = ol3;
+ mb->outer_l2_len = ol2;
+}
+
+static int
+test_tx_offload(void)
+{
+ struct rte_mbuf *mb;
+ uint64_t tm, v1, v2;
+ size_t sz;
+ uint32_t i;
+
+ static volatile struct {
+ uint16_t l2;
+ uint16_t l3;
+ uint16_t l4;
+ uint16_t tso;
+ } txof;
+
+ const uint32_t num = 0x10000;
+
+ txof.l2 = rte_rand() % (1 << RTE_MBUF_L2_LEN_BITS);
+ txof.l3 = rte_rand() % (1 << RTE_MBUF_L3_LEN_BITS);
+ txof.l4 = rte_rand() % (1 << RTE_MBUF_L4_LEN_BITS);
+ txof.tso = rte_rand() % (1 << RTE_MBUF_TSO_SEGSZ_BITS);
+
+ printf("%s started, tx_offload = {\n"
+ "\tl2_len=%#hx,\n"
+ "\tl3_len=%#hx,\n"
+ "\tl4_len=%#hx,\n"
+ "\ttso_segsz=%#hx,\n"
+ "\touter_l3_len=%#x,\n"
+ "\touter_l2_len=%#x,\n"
+ "};\n",
+ __func__,
+ txof.l2, txof.l3, txof.l4, txof.tso, txof.l3, txof.l2);
+
+ sz = sizeof(*mb) * num;
+ mb = rte_zmalloc(NULL, sz, RTE_CACHE_LINE_SIZE);
+ if (mb == NULL) {
+ printf("%s failed, out of memory\n", __func__);
+ return -ENOMEM;
+ }
+
+ memset(mb, 0, sz);
+ tm = rte_rdtsc_precise();
+
+ for (i = 0; i != num; i++)
+ set_tx_offload(mb + i, txof.l2, txof.l3, txof.l4,
+ txof.tso, txof.l3, txof.l2);
+
+ tm = rte_rdtsc_precise() - tm;
+ printf("%s set tx_offload by bit-fields: %u iterations, %"
+ PRIu64 " cycles, %#Lf cycles/iter\n",
+ __func__, num, tm, (long double)tm / num);
+
+ v1 = mb[rte_rand() % num].tx_offload;
+
+ memset(mb, 0, sz);
+ tm = rte_rdtsc_precise();
+
+ for (i = 0; i != num; i++)
+ mb[i].tx_offload = rte_mbuf_tx_offload(txof.l2, txof.l3,
+ txof.l4, txof.tso, txof.l3, txof.l2, 0);
+
+ tm = rte_rdtsc_precise() - tm;
+ printf("%s set raw tx_offload: %u iterations, %"
+ PRIu64 " cycles, %#Lf cycles/iter\n",
+ __func__, num, tm, (long double)tm / num);
+
+ v2 = mb[rte_rand() % num].tx_offload;
+
+ rte_free(mb);
+
+ printf("%s finished\n"
+ "expected tx_offload value: 0x%" PRIx64 ";\n"
+ "rte_mbuf_tx_offload value: 0x%" PRIx64 ";\n",
+ __func__, v1, v2);
+
+ return (v1 == v2) ? 0 : -EINVAL;
+}
+
static int
test_mbuf(void)
{
goto err;
}
+ if (test_pktmbuf_copy(pktmbuf_pool) < 0) {
+ printf("test_pktmbuf_copy() failed\n");
+ 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){
+ if (test_refcnt_mbuf() < 0) {
printf("test_refcnt_mbuf() failed \n");
goto err;
}
printf("test_mbuf_linearize_check() failed\n");
goto err;
}
- ret = 0;
+ if (test_tx_offload() < 0) {
+ printf("test_tx_offload() failed\n");
+ goto err;
+ }
+
+ ret = 0;
err:
rte_mempool_free(pktmbuf_pool);
rte_mempool_free(pktmbuf_pool2);
git.droids-corp.org / dpdk.git / blobdiff