Re: [dpdk-dev] [PATCH] app/testbbdev: fix inputs mbuf creation issue

["Peng, Yuan" <yuan.peng@intel.com>]

Tested-by: Peng, Yuan <yuan.peng@intel.com>

> NIC Fortville 4*10G
> ethtool -i ens785f1
> driver: i40e
> version: 2.4.10
> firmware-version: 6.01 0x80003205 1.1691.0 DPDK version: 18.11-rc0 
> commit 76b9d9de5c7d747c381027156aac07735cb1bc0c
> FlexRAN-1.6.0
> Os: 4.4.0-62-generic
> ICC:parallel_studio_xe_2018_update1_professional_edition_for_cpp
> Set ``CONFIG_RTE_LIBRTE_PMD_BBDEV_TURBO_SW=y``
> cat /proc/cmdline
> BOOT_IMAGE=/boot/vmlinuz-4.4.0-62-generic root=UUID=673a4478-afa5- 
> 463a-afa2-40681423994e ro hugepagesz=1G hugepages=16 
> default_hugepagesz=1G isolcpus=1-43 intel_iommu=on nohz_full=1-43
> rcu_nocbs=1-43 iommu=pt
> 
> ./usertools/dpdk-devbind.py -b vfio-pci 05:00.0 05:00.1 
> ./app/test-bbdev/test-bbdev.py -e="-- 
> vdev=baseband_null,socket_id=0,max_nb_queues=8"
> 
> the case can passed.
> 
> Thanks.
> Yuan.

-----Original Message-----
From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Kamil Chalupnik
Sent: Friday, August 17, 2018 3:19 PM
To: Mokhtar, Amr <amr.mokhtar@intel.com>; De Lara Guarch, Pablo <pablo.de.lara.guarch@intel.com>
Cc: dev@dpdk.org; stable@dpdk.org; Chalupnik, KamilX <kamilx.chalupnik@intel.com>
Subject: [dpdk-dev] [PATCH] app/testbbdev: fix inputs mbuf creation issue

Omitting inputs and outputs mbuf creation for BaseBand Null Device as inputs and outputs data do not exist for Null Device

Fixes: b2a4654f082b ("mempool: check for zero size creation")
Cc: pablo.de.lara.guarch@intel.com

Signed-off-by: Kamil Chalupnik <kamilx.chalupnik@intel.com>
---
 app/test-bbdev/test_bbdev_perf.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/app/test-bbdev/test_bbdev_perf.c b/app/test-bbdev/test_bbdev_perf.c
index 6861edc..fbe6cc9 100644
--- a/app/test-bbdev/test_bbdev_perf.c
+++ b/app/test-bbdev/test_bbdev_perf.c
@@ -267,12 +267,13 @@ typedef int (test_case_function)(struct active_device *ad,
 
 static int
 create_mempools(struct active_device *ad, int socket_id,
-		enum rte_bbdev_op_type op_type, uint16_t num_ops)
+		enum rte_bbdev_op_type org_op_type, uint16_t num_ops)
 {
 	struct rte_mempool *mp;
 	unsigned int ops_pool_size, mbuf_pool_size = 0;
 	char pool_name[RTE_MEMPOOL_NAMESIZE];
 	const char *op_type_str;
+	enum rte_bbdev_op_type op_type = org_op_type;
 
 	struct op_data_entries *in = &test_vector.entries[DATA_INPUT];
 	struct op_data_entries *hard_out =
@@ -289,6 +290,9 @@ typedef int (test_case_function)(struct active_device *ad,
 					OPS_CACHE_SIZE + 1)),
 			OPS_POOL_SIZE_MIN));
 
+	if (org_op_type == RTE_BBDEV_OP_NONE)
+		op_type = RTE_BBDEV_OP_TURBO_ENC;
+
 	op_type_str = rte_bbdev_op_type_str(op_type);
 	TEST_ASSERT_NOT_NULL(op_type_str, "Invalid op type: %u", op_type);
 
@@ -303,6 +307,10 @@ typedef int (test_case_function)(struct active_device *ad,
 			socket_id);
 	ad->ops_mempool = mp;
 
+	/* Do not create inputs and outputs mbufs for BaseBand Null Device */
+	if (org_op_type == RTE_BBDEV_OP_NONE)
+		return TEST_SUCCESS;
+
 	/* Inputs */
 	mbuf_pool_size = optimal_mempool_size(ops_pool_size * in->nb_segments);
 	mp = create_mbuf_pool(in, ad->dev_id, socket_id, mbuf_pool_size, "in"); @@ -1058,14 +1066,14 @@ typedef int (test_case_function)(struct active_device *ad,
 	rte_bbdev_info_get(ad->dev_id, &info);
 	socket_id = GET_SOCKET(info.socket_id);
 
-	if (op_type == RTE_BBDEV_OP_NONE)
-		op_type = RTE_BBDEV_OP_TURBO_ENC;
 	f_ret = create_mempools(ad, socket_id, op_type,
 			get_num_ops());
 	if (f_ret != TEST_SUCCESS) {
 		printf("Couldn't create mempools");
 		goto fail;
 	}
+	if (op_type == RTE_BBDEV_OP_NONE)
+		op_type = RTE_BBDEV_OP_TURBO_ENC;
 
 	f_ret = init_test_op_params(op_params, test_vector.op_type,
 			test_vector.expected_status,
--
1.8.3.1