[PATCH v3] ethdev: TEST support single queue per port

["Morten Brørup" <mb@smartsharesystems.com>]

Configuring one queue per port fails compilation on my system.
Test to see how much it fails in CI.

Signed-off-by: Morten Brørup <mb@smartsharesystems.com>
---
v3:
* Fix net/ixgbe driver.
v2:
* Fix net/vmxnet3 driver.
---
 config/rte_config.h                  |  4 ++--
 drivers/net/ixgbe/ixgbe_ethdev.c     |  3 ++-
 drivers/net/vmxnet3/vmxnet3_ethdev.c | 32 +++++++++++++++++-----------
 3 files changed, 24 insertions(+), 15 deletions(-)

diff --git a/config/rte_config.h b/config/rte_config.h
index fd6f8a2f1a..924192c71c 100644
--- a/config/rte_config.h
+++ b/config/rte_config.h
@@ -65,8 +65,8 @@
 #define RTE_MBUF_DEFAULT_MEMPOOL_OPS "ring_mp_mc"
 
 /* ether defines */
-#define RTE_MAX_QUEUES_PER_PORT 1024
-#define RTE_ETHDEV_QUEUE_STAT_CNTRS 16 /* max 256 */
+#define RTE_MAX_QUEUES_PER_PORT 1 /* default 1024 */
+#define RTE_ETHDEV_QUEUE_STAT_CNTRS 1 /* max 256, default 16 */
 #define RTE_ETHDEV_RXTX_CALLBACKS 1
 #define RTE_MAX_MULTI_HOST_CTRLS 4
 
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index ab37c37469..895d6e7169 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -3385,7 +3385,8 @@ ixgbe_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 	stats->opackets = hw_stats->gptc;
 	stats->obytes = hw_stats->gotc;
 
-	for (i = 0; i < IXGBE_QUEUE_STAT_COUNTERS; i++) {
+	for (i = 0; i < RTE_MIN(IXGBE_QUEUE_STAT_COUNTERS,
+			(typeof(IXGBE_QUEUE_STAT_COUNTERS))RTE_ETHDEV_QUEUE_STAT_CNTRS); i++) {
 		stats->q_ipackets[i] = hw_stats->qprc[i];
 		stats->q_opackets[i] = hw_stats->qptc[i];
 		stats->q_ibytes[i] = hw_stats->qbrc[i];
diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.c b/drivers/net/vmxnet3/vmxnet3_ethdev.c
index 78fac63ab6..8a9bb452c6 100644
--- a/drivers/net/vmxnet3/vmxnet3_ethdev.c
+++ b/drivers/net/vmxnet3/vmxnet3_ethdev.c
@@ -1470,42 +1470,52 @@ vmxnet3_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 	struct vmxnet3_hw *hw = dev->data->dev_private;
 	struct UPT1_TxStats txStats;
 	struct UPT1_RxStats rxStats;
+	uint64_t packets, bytes;
 
 	VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
 
 	for (i = 0; i < hw->num_tx_queues; i++) {
 		vmxnet3_tx_stats_get(hw, i, &txStats);
 
-		stats->q_opackets[i] = txStats.ucastPktsTxOK +
+		packets = txStats.ucastPktsTxOK +
 			txStats.mcastPktsTxOK +
 			txStats.bcastPktsTxOK;
 
-		stats->q_obytes[i] = txStats.ucastBytesTxOK +
+		bytes = txStats.ucastBytesTxOK +
 			txStats.mcastBytesTxOK +
 			txStats.bcastBytesTxOK;
 
-		stats->opackets += stats->q_opackets[i];
-		stats->obytes += stats->q_obytes[i];
+		stats->opackets += packets;
+		stats->obytes += bytes;
 		stats->oerrors += txStats.pktsTxError + txStats.pktsTxDiscard;
+
+		if (i < RTE_ETHDEV_QUEUE_STAT_CNTRS) {
+			stats->q_opackets[i] = packets;
+			stats->q_obytes[i] = bytes;
+		}
 	}
 
 	for (i = 0; i < hw->num_rx_queues; i++) {
 		vmxnet3_rx_stats_get(hw, i, &rxStats);
 
-		stats->q_ipackets[i] = rxStats.ucastPktsRxOK +
+		packets = rxStats.ucastPktsRxOK +
 			rxStats.mcastPktsRxOK +
 			rxStats.bcastPktsRxOK;
 
-		stats->q_ibytes[i] = rxStats.ucastBytesRxOK +
+		bytes = rxStats.ucastBytesRxOK +
 			rxStats.mcastBytesRxOK +
 			rxStats.bcastBytesRxOK;
 
-		stats->ipackets += stats->q_ipackets[i];
-		stats->ibytes += stats->q_ibytes[i];
-
-		stats->q_errors[i] = rxStats.pktsRxError;
+		stats->ipackets += packets;
+		stats->ibytes += bytes;
 		stats->ierrors += rxStats.pktsRxError;
 		stats->imissed += rxStats.pktsRxOutOfBuf;
+
+		if (i < RTE_ETHDEV_QUEUE_STAT_CNTRS) {
+			stats->q_ipackets[i] = packets;
+			stats->q_ibytes[i] = bytes;
+			stats->q_errors[i] = rxStats.pktsRxError;
+		}
 	}
 
 	return 0;
@@ -1521,8 +1531,6 @@ vmxnet3_dev_stats_reset(struct rte_eth_dev *dev)
 
 	VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
 
-	RTE_BUILD_BUG_ON(RTE_ETHDEV_QUEUE_STAT_CNTRS < VMXNET3_MAX_TX_QUEUES);
-
 	for (i = 0; i < hw->num_tx_queues; i++) {
 		vmxnet3_hw_tx_stats_get(hw, i, &txStats);
 		memcpy(&hw->snapshot_tx_stats[i], &txStats,
-- 
2.43.0