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net: stmmac: xgmac: Implement set_mtl_tx_queue_weight() 

Implement the TX Queue Weight callback. In order for this to be active
we also need to set ETS algorithm when configuring Queue.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jose Abreu 2019-08-07 10:03:10 +02:00 committed by David S. Miller
parent b6cdf09f51
commit 5656ac5542
1 changed files with 21 additions and 1 deletions
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22
drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
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@ -144,7 +144,9 @@ static void dwxgmac2_prog_mtl_tx_algorithms(struct mac_device_info *hw,
u32 tx_alg)
{
void __iomem *ioaddr = hw->pcsr;
bool ets = true;
u32 value;
int i;
value = readl(ioaddr + XGMAC_MTL_OPMODE);
value &= ~XGMAC_ETSALG;
@ -160,10 +162,28 @@ static void dwxgmac2_prog_mtl_tx_algorithms(struct mac_device_info *hw,
value |= XGMAC_DWRR;
break;
default:
ets = false;
break;
}
writel(value, ioaddr + XGMAC_MTL_OPMODE);
/* Set ETS if desired */
for (i = 0; i < MTL_MAX_TX_QUEUES; i++) {
value = readl(ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(i));
value &= ~XGMAC_TSA;
if (ets)
value |= XGMAC_ETS;
writel(value, ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(i));
}
}
static void dwxgmac2_set_mtl_tx_queue_weight(struct mac_device_info *hw,
u32 weight, u32 queue)
{
void __iomem *ioaddr = hw->pcsr;
writel(weight, ioaddr + XGMAC_MTL_TCx_QUANTUM_WEIGHT(queue));
}
static void dwxgmac2_map_mtl_to_dma(struct mac_device_info *hw, u32 queue,
@ -412,7 +432,7 @@ const struct stmmac_ops dwxgmac210_ops = {
.rx_queue_routing = NULL,
.prog_mtl_rx_algorithms = dwxgmac2_prog_mtl_rx_algorithms,
.prog_mtl_tx_algorithms = dwxgmac2_prog_mtl_tx_algorithms,
.set_mtl_tx_queue_weight = NULL,
.set_mtl_tx_queue_weight = dwxgmac2_set_mtl_tx_queue_weight,
.map_mtl_to_dma = dwxgmac2_map_mtl_to_dma,
.config_cbs = dwxgmac2_config_cbs,
.dump_regs = NULL,