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authorJoao Pinto <Joao.Pinto@synopsys.com>2017-03-15 11:04:51 +0000
committerDavid S. Miller <davem@davemloft.net>2017-03-15 14:44:32 -0700
commit4854ab9966e10ca002e4cc7a12e34c1444357d3d (patch)
tree56da253d80ea3e1c1aa5027bcdd81da57abcc6a5 /drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
parent3c55d4d08bc9e94901a26eb57c9aa0b8c76a18c0 (diff)
downloadlinux-stericsson-4854ab9966e10ca002e4cc7a12e34c1444357d3d.tar.gz
net: stmmac: rx and tx ring length prepared for multiple queues
This patch prepares tx and rx ring length configuration for multiple queues. Signed-off-by: Joao Pinto <jpinto@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_main.c')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c32
1 files changed, 24 insertions, 8 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 00d0f5ea7682..26695d9a3283 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1802,6 +1802,27 @@ static void stmmac_init_tx_coalesce(struct stmmac_priv *priv)
add_timer(&priv->txtimer);
}
+static void stmmac_set_rings_length(struct stmmac_priv *priv)
+{
+ u32 rx_channels_count = priv->plat->rx_queues_to_use;
+ u32 tx_channels_count = priv->plat->tx_queues_to_use;
+ u32 chan;
+
+ /* set TX ring length */
+ if (priv->hw->dma->set_tx_ring_len) {
+ for (chan = 0; chan < tx_channels_count; chan++)
+ priv->hw->dma->set_tx_ring_len(priv->ioaddr,
+ (DMA_TX_SIZE - 1), chan);
+ }
+
+ /* set RX ring length */
+ if (priv->hw->dma->set_rx_ring_len) {
+ for (chan = 0; chan < rx_channels_count; chan++)
+ priv->hw->dma->set_rx_ring_len(priv->ioaddr,
+ (DMA_RX_SIZE - 1), chan);
+ }
+}
+
/**
* stmmac_set_tx_queue_weight - Set TX queue weight
* @priv: driver private structure
@@ -1995,14 +2016,9 @@ static int stmmac_hw_setup(struct net_device *dev, bool init_ptp)
if (priv->hw->pcs && priv->hw->mac->pcs_ctrl_ane)
priv->hw->mac->pcs_ctrl_ane(priv->hw, 1, priv->hw->ps, 0);
- /* set TX ring length */
- if (priv->hw->dma->set_tx_ring_len)
- priv->hw->dma->set_tx_ring_len(priv->ioaddr,
- (DMA_TX_SIZE - 1));
- /* set RX ring length */
- if (priv->hw->dma->set_rx_ring_len)
- priv->hw->dma->set_rx_ring_len(priv->ioaddr,
- (DMA_RX_SIZE - 1));
+ /* set TX and RX rings length */
+ stmmac_set_rings_length(priv);
+
/* Enable TSO */
if (priv->tso)
priv->hw->dma->enable_tso(priv->ioaddr, 1, STMMAC_CHAN0);