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authorJoao Pinto <Joao.Pinto@synopsys.com>2017-03-10 18:24:52 +0000
committerDavid S. Miller <davem@davemloft.net>2017-03-12 23:41:03 -0700
commitd0a9c9f9c6d0b1f0773e0aba5ab519b8ddc87a7a (patch)
tree76d6052caa3a52cda15c452f4e68db09310fed62 /drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
parentd976a525c371276cebd2517349d1d3568a0e48b5 (diff)
downloadlinux-stericsson-d0a9c9f9c6d0b1f0773e0aba5ab519b8ddc87a7a.tar.gz
net: stmmac: configure mtl rx and tx algorithms
This patch adds the RX and TX scheduling algorithms programming. It introduces the multiple queues configuration function (stmmac_mtl_configuration) in stmmac_main. 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.c31
1 files changed, 28 insertions, 3 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 78f6ec2d165b..064fa0e6b536 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1648,6 +1648,31 @@ static void stmmac_init_tx_coalesce(struct stmmac_priv *priv)
}
/**
+ * stmmac_mtl_configuration - Configure MTL
+ * @priv: driver private structure
+ * Description: It is used for configurring MTL
+ */
+static void stmmac_mtl_configuration(struct stmmac_priv *priv)
+{
+ u32 rx_queues_count = priv->plat->rx_queues_to_use;
+ u32 tx_queues_count = priv->plat->tx_queues_to_use;
+
+ /* Configure MTL RX algorithms */
+ if (rx_queues_count > 1 && priv->hw->mac->prog_mtl_rx_algorithms)
+ priv->hw->mac->prog_mtl_rx_algorithms(priv->hw,
+ priv->plat->rx_sched_algorithm);
+
+ /* Configure MTL TX algorithms */
+ if (tx_queues_count > 1 && priv->hw->mac->prog_mtl_tx_algorithms)
+ priv->hw->mac->prog_mtl_tx_algorithms(priv->hw,
+ priv->plat->tx_sched_algorithm);
+
+ /* Enable MAC RX Queues */
+ if (rx_queues_count > 1 && priv->hw->mac->rx_queue_enable)
+ stmmac_mac_enable_rx_queues(priv);
+}
+
+/**
* stmmac_hw_setup - setup mac in a usable state.
* @dev : pointer to the device structure.
* Description:
@@ -1691,9 +1716,9 @@ static int stmmac_hw_setup(struct net_device *dev, bool init_ptp)
/* Initialize the MAC Core */
priv->hw->mac->core_init(priv->hw, dev->mtu);
- /* Initialize MAC RX Queues */
- if (priv->hw->mac->rx_queue_enable)
- stmmac_mac_enable_rx_queues(priv);
+ /* Initialize MTL*/
+ if (priv->synopsys_id >= DWMAC_CORE_4_00)
+ stmmac_mtl_configuration(priv);
ret = priv->hw->mac->rx_ipc(priv->hw);
if (!ret) {