X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=app%2Ftest%2Ftest_mbuf.c;h=a2e9bc6cfb3edec0070df581d0320fb578693595;hb=1feda4d8fc422ceb1700d32175501f4f691eb844;hp=98ff93afd21dbc6799445846b4273e9a25e0ee27;hpb=99a5744147ea079828a52ee904ea79ba52602c16;p=dpdk.git diff --git a/app/test/test_mbuf.c b/app/test/test_mbuf.c index 98ff93afd2..a2e9bc6cfb 100644 --- a/app/test/test_mbuf.c +++ b/app/test/test_mbuf.c @@ -511,10 +511,14 @@ test_attach_from_different_pool(void) 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); @@ -713,7 +717,7 @@ test_refcnt_iter(unsigned lcore, unsigned iter) * - 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); @@ -741,14 +745,14 @@ test_refcnt_iter(unsigned lcore, unsigned iter) /* 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 " @@ -805,7 +809,7 @@ test_refcnt_mbuf(void) 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__); @@ -926,6 +930,124 @@ test_failing_mbuf_sanity_check(void) 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) @@ -1019,11 +1141,12 @@ 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);