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test/dpdk_compresdev: Add additional UT for mbuf splitting

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The addition of mbuf splitting requires a few more unit tests.

Signed-off-by: paul luse <paul.e.luse@intel.com>
Change-Id: I24309911d40aec14e7f7c504be276c7f79e3ef1d
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/16094
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@nvidia.com>
This commit is contained in:
paul luse 2022-12-30 13:04:29 -07:00 committed by Tomasz Zawadzki
parent de8fb12866
commit 0485fb4795
1 changed files with 70 additions and 0 deletions
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70
test/unit/lib/accel/dpdk_compressdev.c/accel_dpdk_compressdev_ut.c
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@ -40,6 +40,7 @@ struct compress_io_channel *g_comp_ch;
* our custom functions.
*/
static int ut_total_rte_pktmbuf_attach_extbuf = 0;
static void mock_rte_pktmbuf_attach_extbuf(struct rte_mbuf *m, void *buf_addr, rte_iova_t buf_iova,
uint16_t buf_len, struct rte_mbuf_ext_shared_info *shinfo);
#define rte_pktmbuf_attach_extbuf mock_rte_pktmbuf_attach_extbuf
@ -52,6 +53,7 @@ mock_rte_pktmbuf_attach_extbuf(struct rte_mbuf *m, void *buf_addr, rte_iova_t bu
m->buf_iova = buf_iova;
m->buf_len = buf_len;
m->data_len = m->pkt_len = 0;
ut_total_rte_pktmbuf_attach_extbuf++;
}
static char *mock_rte_pktmbuf_append(struct rte_mbuf *m, uint16_t len);
@ -786,6 +788,73 @@ test_compress_operation_cross_boundary(void)
g_device.sgl_out = true;
}
static void
test_setup_compress_mbuf(void)
{
struct iovec src_iovs = {};
int src_iovcnt = 1;
struct spdk_accel_task task = {};
int src_mbuf_added = 0;
uint64_t total_length;
struct rte_mbuf *exp_src_mbuf[UT_MBUFS_PER_OP_BOUND_TEST];
int rc, i;
/* setup the src expected values */
_get_mbuf_array(exp_src_mbuf, &g_expected_src_mbufs[0], SPDK_COUNTOF(exp_src_mbuf), false);
/* no splitting */
total_length = 0;
ut_total_rte_pktmbuf_attach_extbuf = 0;
src_iovs.iov_len = 0x1000;
src_iovs.iov_base = (void *)0x10000000 + 0x1000;
rc = _setup_compress_mbuf(exp_src_mbuf, &src_mbuf_added, &total_length,
&src_iovs, src_iovcnt, &task);
CU_ASSERT(rc == 0);
CU_ASSERT(total_length = src_iovs.iov_len);
CU_ASSERT(src_mbuf_added == 0);
CU_ASSERT(ut_total_rte_pktmbuf_attach_extbuf == 1);
/* one split, for splitting tests we need the global mbuf array unlinked,
* otherwise the functional code will attempt to link them but if they are
* already linked, it will just create a chain that links to itself */
for (i = 0; i < UT_MBUFS_PER_OP_BOUND_TEST - 1; i++) {
g_expected_src_mbufs[i].next = NULL;
}
total_length = 0;
ut_total_rte_pktmbuf_attach_extbuf = 0;
src_iovs.iov_len = 0x1000 + MBUF_SPLIT;
exp_src_mbuf[0]->buf_len = src_iovs.iov_len;
exp_src_mbuf[0]->pkt_len = src_iovs.iov_len;
rc = _setup_compress_mbuf(exp_src_mbuf, &src_mbuf_added, &total_length,
&src_iovs, src_iovcnt, &task);
CU_ASSERT(rc == 0);
CU_ASSERT(total_length = src_iovs.iov_len);
CU_ASSERT(src_mbuf_added == 0);
CU_ASSERT(ut_total_rte_pktmbuf_attach_extbuf == 2);
/* two splits */
for (i = 0; i < UT_MBUFS_PER_OP_BOUND_TEST - 1; i++) {
g_expected_src_mbufs[i].next = NULL;
}
total_length = 0;
ut_total_rte_pktmbuf_attach_extbuf = 0;
src_iovs.iov_len = 0x1000 + 2 * MBUF_SPLIT;
exp_src_mbuf[0]->buf_len = src_iovs.iov_len;
exp_src_mbuf[0]->pkt_len = src_iovs.iov_len;
rc = _setup_compress_mbuf(exp_src_mbuf, &src_mbuf_added, &total_length,
&src_iovs, src_iovcnt, &task);
CU_ASSERT(rc == 0);
CU_ASSERT(total_length = src_iovs.iov_len);
CU_ASSERT(src_mbuf_added == 0);
CU_ASSERT(ut_total_rte_pktmbuf_attach_extbuf == 3);
/* relink the global mbuf array */
for (i = 0; i < UT_MBUFS_PER_OP_BOUND_TEST - 1; i++) {
g_expected_src_mbufs[i].next = &g_expected_src_mbufs[i + 1];
}
}
static void
test_poller(void)
{
@ -976,6 +1045,7 @@ main(int argc, char **argv)
suite = CU_add_suite("compress", test_setup, test_cleanup);
CU_ADD_TEST(suite, test_compress_operation);
CU_ADD_TEST(suite, test_compress_operation_cross_boundary);
CU_ADD_TEST(suite, test_setup_compress_mbuf);
CU_ADD_TEST(suite, test_initdrivers);
CU_ADD_TEST(suite, test_poller);