This patch fixes mtl queue and dma channel value
and adds mtl qsize for FIFO setting.
Signed-off-by: Byungho An <bh74.an@xxxxxxxxxxx>
---
drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c b/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
index 7dc3449..bf4447a 100644
--- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
+++ b/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
@@ -889,14 +889,19 @@ static int sxgbe_get_hw_features(struct sxgbe_priv_data * const priv)
/* Read First Capability Register CAP[2] */
rval = priv->hw->mac->get_hw_feature(priv->ioaddr, 2);
if (rval) {
- features->rx_mtl_queues = SXGBE_HW_FEAT_RX_MTL_QUEUES(rval);
- features->tx_mtl_queues = SXGBE_HW_FEAT_TX_MTL_QUEUES(rval);
- features->rx_dma_channels = SXGBE_HW_FEAT_RX_DMA_CHANNELS(rval);
- features->tx_dma_channels = SXGBE_HW_FEAT_TX_DMA_CHANNELS(rval);
+ features->rx_mtl_queues = SXGBE_HW_FEAT_RX_MTL_QUEUES(rval) + 1;
+ features->tx_mtl_queues = SXGBE_HW_FEAT_TX_MTL_QUEUES(rval) + 1;
+ features->rx_dma_channels = SXGBE_HW_FEAT_RX_DMA_CHANNELS(rval) + 1;
+ features->tx_dma_channels = SXGBE_HW_FEAT_TX_DMA_CHANNELS(rval) + 1;
features->pps_output_count = SXGBE_HW_FEAT_PPS_OUTPUTS(rval);
features->aux_input_count = SXGBE_HW_FEAT_AUX_SNAPSHOTS(rval);
}
+ features->rx_mtl_qsize = (1 << (features->rxfifo_size + 7)) /
+ features->rx_mtl_queues;
+ features->tx_mtl_qsize = (1 << (features->txfifo_size + 7)) /
+ features->tx_mtl_queues;
+
return rval;
}
--
1.7.10.4
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