[PATCH net-next] net: mana: Set default number of queues to 16

[Long Li]

Set the default number of queues per vPort to MANA_DEF_NUM_QUEUES (16),
as 16 queues can achieve optimal throughput for typical workloads. Users
can increase the number of queues up to max_queues via ethtool if needed.

Signed-off-by: Long Li <longli@xxxxxxxxxxxxx>
---
 drivers/net/ethernet/microsoft/mana/mana_en.c | 2 +-
 include/net/mana/mana.h                       | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/ethernet/microsoft/mana/mana_en.c
index 49c65cc1697c..7cae8a7b9f31 100644
--- a/drivers/net/ethernet/microsoft/mana/mana_en.c
+++ b/drivers/net/ethernet/microsoft/mana/mana_en.c
@@ -3357,7 +3357,7 @@ static int mana_probe_port(struct mana_context *ac, int port_idx,
 	apc->ac = ac;
 	apc->ndev = ndev;
 	apc->max_queues = gc->max_num_queues;
-	apc->num_queues = gc->max_num_queues;
+	apc->num_queues = min(gc->max_num_queues, MANA_DEF_NUM_QUEUES);
 	apc->tx_queue_size = DEF_TX_BUFFERS_PER_QUEUE;
 	apc->rx_queue_size = DEF_RX_BUFFERS_PER_QUEUE;
 	apc->port_handle = INVALID_MANA_HANDLE;
diff --git a/include/net/mana/mana.h b/include/net/mana/mana.h
index 3336688fed5e..96d21cbbdee2 100644
--- a/include/net/mana/mana.h
+++ b/include/net/mana/mana.h
@@ -1007,6 +1007,7 @@ struct mana_deregister_filter_resp {
 #define STATISTICS_FLAGS_TX_ERRORS_GDMA_ERROR		0x0000000004000000
 
 #define MANA_MAX_NUM_QUEUES 64
+#define MANA_DEF_NUM_QUEUES 16
 
 #define MANA_SHORT_VPORT_OFFSET_MAX ((1U << 8) - 1)
 
-- 
2.43.0