[dpdk-stable] [dpdk-dev] [PATCH v7 09/16] test/distributor: collect return mbufs

[Lukasz Wojciechowski]

Hi Honnappa,

W dniu 16.10.2020 o 07:13, Honnappa Nagarahalli pisze:
> <snip>
>> During quit_workers function distributor's main core processes some packets
>> to wake up pending worker cores so they can quit.
>> As quit_workers acts also as a cleanup procedure for next test case it should
>> also collect these packages returned by workers'
> nit                              ^^^^^^^^ packets
Fixed in v8
>
>> handlers, so the cyclic buffer with returned packets in distributor remains
>> empty.
>>
>> Fixes: c3eabff124e6 ("distributor: add unit tests")
>> Cc: bruce.richardson at intel.com
>> Fixes: c0de0eb82e40 ("distributor: switch over to new API")
>> Cc: david.hunt at intel.com
>> Cc: stable at dpdk.org
>>
>> Signed-off-by: Lukasz Wojciechowski <l.wojciechow at partner.samsung.com>
>> Acked-by: David Hunt <david.hunt at intel.com>
>> ---
>>   app/test/test_distributor.c | 5 +++++
>>   1 file changed, 5 insertions(+)
>>
>> diff --git a/app/test/test_distributor.c b/app/test/test_distributor.c index
>> 06e01ff9d..ed03040d1 100644
>> --- a/app/test/test_distributor.c
>> +++ b/app/test/test_distributor.c
>> @@ -590,6 +590,7 @@ quit_workers(struct worker_params *wp, struct
>> rte_mempool *p)
>>   	const unsigned num_workers = rte_lcore_count() - 1;
>>   	unsigned i;
>>   	struct rte_mbuf *bufs[RTE_MAX_LCORE];
>> +	struct rte_mbuf *returns[RTE_MAX_LCORE];
>>   	if (rte_mempool_get_bulk(p, (void *)bufs, num_workers) != 0) {
>>   		printf("line %d: Error getting mbufs from pool\n", __LINE__);
>>   		return;
>> @@ -605,6 +606,10 @@ quit_workers(struct worker_params *wp, struct
>> rte_mempool *p)
>>   	rte_distributor_flush(d);
>>   	rte_eal_mp_wait_lcore();
>>
>> +	while (rte_distributor_returned_pkts(d, returns, RTE_MAX_LCORE))
>> +		;
>> +
>> +	rte_distributor_clear_returns(d);
>>   	rte_mempool_put_bulk(p, (void *)bufs, num_workers);
>>
>>   	quit = 0;
>> --
>> 2.17.1

-- 
Lukasz Wojciechowski
Principal Software Engineer

Samsung R&D Institute Poland
Samsung Electronics
Office +48 22 377 88 25
l.wojciechow at partner.samsung.com