From: Yan Markman <[email protected]> Adjust MVPP2_MAX_TSO_SEGS and stop_threshold/wake_threshold for better TXQ utilization and performance.
Signed-off-by: Yan Markman <[email protected]> --- drivers/net/ethernet/marvell/mvpp2.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c index 55300b1fe6c0..1a893ef70eab 100644 --- a/drivers/net/ethernet/marvell/mvpp2.c +++ b/drivers/net/ethernet/marvell/mvpp2.c @@ -498,7 +498,7 @@ * skb. As we need a maxium of two descriptors per fragments (1 header, 1 data), * multiply this value by two to count the maximum number of skb descs needed. */ -#define MVPP2_MAX_TSO_SEGS 300 +#define MVPP2_MAX_TSO_SEGS 100 #define MVPP2_MAX_SKB_DESCS (MVPP2_MAX_TSO_SEGS * 2 + MAX_SKB_FRAGS) /* Dfault number of RXQs in use */ @@ -5810,7 +5810,7 @@ static int mvpp2_txq_init(struct mvpp2_port *port, txq_pcpu->tso_headers = NULL; txq_pcpu->stop_threshold = txq->size - MVPP2_MAX_SKB_DESCS; - txq_pcpu->wake_threshold = txq_pcpu->stop_threshold / 2; + txq_pcpu->wake_threshold = txq_pcpu->stop_threshold - 100; txq_pcpu->tso_headers = dma_alloc_coherent(port->dev->dev.parent, -- 2.14.3
