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);
* - 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 "
if (refcnt_mbuf_ring == NULL &&
(refcnt_mbuf_ring = rte_ring_create("refcnt_mbuf_ring",
- REFCNT_RING_SIZE, SOCKET_ID_ANY,
+ rte_align32pow2(REFCNT_RING_SIZE), SOCKET_ID_ANY,
RING_F_SP_ENQ)) == NULL) {
printf("%s: cannot allocate " MAKE_STRING(refcnt_mbuf_ring)
"\n", __func__);
return 0;
}
+static int
+test_mbuf_linearize(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(void)
+{
+ 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(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)
printf("test_failing_mbuf_sanity_check() failed\n");
return -1;
}
+
+ if (test_mbuf_linearize_check() < 0) {
+ printf("test_mbuf_linearize_check() failed\n");
+ return -1;
+ }
return 0;
}
-static struct test_command mbuf_cmd = {
- .command = "mbuf_autotest",
- .callback = test_mbuf,
-};
-REGISTER_TEST_COMMAND(mbuf_cmd);
+REGISTER_TEST_COMMAND(mbuf_autotest, test_mbuf);