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From: Robert Sanford <rsanford2@gmail.com>
To: dev@dpdk.org, cristian.dumitrescu@intel.com
Subject: [dpdk-dev] [PATCH 1/4] app/test: enhance test_port_ring_writer
Date: Mon, 28 Mar 2016 16:51:34 -0400	[thread overview]
Message-ID: <1459198297-49854-2-git-send-email-rsanford@akamai.com> (raw)
In-Reply-To: <1459198297-49854-1-git-send-email-rsanford@akamai.com>

Add code to send two 60-packet bursts to a ring port_out.
This tests a ring writer buffer overflow problem and fix
(in patch 2/4).

Signed-off-by: Robert Sanford <rsanford@akamai.com>
---
 app/test/test_table_ports.c |   27 +++++++++++++++++++++++++--
 1 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/app/test/test_table_ports.c b/app/test/test_table_ports.c
index 2532367..0c0ec0a 100644
--- a/app/test/test_table_ports.c
+++ b/app/test/test_table_ports.c
@@ -149,8 +149,8 @@ test_port_ring_writer(void)
 
 	/* -- Traffic TX -- */
 	int expected_pkts, received_pkts;
-	struct rte_mbuf *mbuf[RTE_PORT_IN_BURST_SIZE_MAX];
-	struct rte_mbuf *res_mbuf[RTE_PORT_IN_BURST_SIZE_MAX];
+	struct rte_mbuf *mbuf[2 * RTE_PORT_IN_BURST_SIZE_MAX];
+	struct rte_mbuf *res_mbuf[2 * RTE_PORT_IN_BURST_SIZE_MAX];
 
 	port_ring_writer_params.ring = RING_TX;
 	port_ring_writer_params.tx_burst_sz = RTE_PORT_IN_BURST_SIZE_MAX;
@@ -216,5 +216,28 @@ test_port_ring_writer(void)
 	for (i = 0; i < RTE_PORT_IN_BURST_SIZE_MAX; i++)
 		rte_pktmbuf_free(res_mbuf[i]);
 
+	/* TX Bulk - send two 60-packet bursts */
+	uint64_t pkt_mask = 0xfffffffffffffff0ULL;
+
+	for (i = 0; i < 4; i++)
+		mbuf[i] = NULL;
+	for (i = 4; i < 64; i++)
+		mbuf[i] = rte_pktmbuf_alloc(pool);
+	rte_port_ring_writer_ops.f_tx_bulk(port, mbuf, pkt_mask);
+	for (i = 4; i < 64; i++)
+		mbuf[i] = rte_pktmbuf_alloc(pool);
+	rte_port_ring_writer_ops.f_tx_bulk(port, mbuf, pkt_mask);
+	rte_port_ring_writer_ops.f_flush(port);
+
+	expected_pkts = 2 * 60;
+	received_pkts = rte_ring_sc_dequeue_burst(port_ring_writer_params.ring,
+		(void **)res_mbuf, 2 * RTE_PORT_IN_BURST_SIZE_MAX);
+
+	if (received_pkts != expected_pkts)
+		return -10;
+
+	for (i = 0; i < received_pkts; i++)
+		rte_pktmbuf_free(res_mbuf[i]);
+
 	return 0;
 }
-- 
1.7.1

  reply	other threads:[~2016-03-28 20:52 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-28 20:51 [dpdk-dev] [PATCH 0/4] port: fix and test bugs in tx_bulk ops Robert Sanford
2016-03-28 20:51 ` Robert Sanford [this message]
2016-04-01 19:42   ` [dpdk-dev] [PATCH 1/4] app/test: enhance test_port_ring_writer Sanford, Robert
2016-04-06 16:46     ` Dumitrescu, Cristian
2016-03-28 20:51 ` [dpdk-dev] [PATCH 2/4] port: fix ring writer buffer overflow Robert Sanford
2016-03-31 11:21   ` Dumitrescu, Cristian
2016-03-28 20:51 ` [dpdk-dev] [PATCH 3/4] port: fix full burst checks in f_tx_bulk ops Robert Sanford
2016-03-31 15:41   ` Dumitrescu, Cristian
2016-04-01 19:31     ` Sanford, Robert
2016-03-28 20:51 ` [dpdk-dev] [PATCH 4/4] port: fix ethdev writer burst too big Robert Sanford
2016-03-31 13:22   ` Dumitrescu, Cristian
2016-03-30 11:00 ` [dpdk-dev] [PATCH 0/4] port: fix and test bugs in tx_bulk ops Thomas Monjalon
2016-03-30 11:58   ` Dumitrescu, Cristian

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