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test/distributor: collect return mbufs

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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 packets returned by workers'
handlers, so the cyclic buffer with returned packets
in distributor remains empty.

Fixes: c3eabff124 ("distributor: add unit tests")
Fixes: c0de0eb82e ("distributor: switch over to new API")
Cc: stable@dpdk.org

Signed-off-by: Lukasz Wojciechowski <l.wojciechow@partner.samsung.com>
Acked-by: David Hunt <david.hunt@intel.com>
This commit is contained in:
Lukasz Wojciechowski 2020-10-17 05:06:53 +02:00 committed by David Marchand
parent 2dfdfcb404
commit 79c5e12ac2
1 changed files with 5 additions and 0 deletions
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5
app/test/test_distributor.c
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@ -591,6 +591,7 @@ 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;
@ -606,6 +607,10 @@ 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;