diff options
| author | Jose Abreu <Jose.Abreu@synopsys.com> | 2018-06-27 17:57:02 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-06-30 12:38:47 +0300 |
| commit | 1f705bc61aee5fab2826bcf6de152a5d92378a85 (patch) | |
| tree | e727cacc3c0f666e6771e9f4aec4dbd87c645058 /drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c | |
| parent | 30408a43a3b5ac26dc591496ee7f6e07e9d6f935 (diff) | |
| download | linux-1f705bc61aee5fab2826bcf6de152a5d92378a85.tar.xz | |
net: stmmac: Add support for CBS QDISC
This adds support for CBS reconfiguration using the TC application.
A new callback was added to TC ops struct and another one to DMA ops to
reconfigure the channel mode.
Tested in GMAC5.10.
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: Vitor Soares <soares@synopsys.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c index d37f17ca62fe..6e32f8a3710b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c @@ -407,6 +407,19 @@ static void dwmac4_enable_tso(void __iomem *ioaddr, bool en, u32 chan) } } +static void dwmac4_qmode(void __iomem *ioaddr, u32 channel, u8 qmode) +{ + u32 mtl_tx_op = readl(ioaddr + MTL_CHAN_TX_OP_MODE(channel)); + + mtl_tx_op &= ~MTL_OP_MODE_TXQEN_MASK; + if (qmode != MTL_QUEUE_AVB) + mtl_tx_op |= MTL_OP_MODE_TXQEN; + else + mtl_tx_op |= MTL_OP_MODE_TXQEN_AV; + + writel(mtl_tx_op, ioaddr + MTL_CHAN_TX_OP_MODE(channel)); +} + const struct stmmac_dma_ops dwmac4_dma_ops = { .reset = dwmac4_dma_reset, .init = dwmac4_dma_init, @@ -431,6 +444,7 @@ const struct stmmac_dma_ops dwmac4_dma_ops = { .set_rx_tail_ptr = dwmac4_set_rx_tail_ptr, .set_tx_tail_ptr = dwmac4_set_tx_tail_ptr, .enable_tso = dwmac4_enable_tso, + .qmode = dwmac4_qmode, }; const struct stmmac_dma_ops dwmac410_dma_ops = { @@ -457,4 +471,5 @@ const struct stmmac_dma_ops dwmac410_dma_ops = { .set_rx_tail_ptr = dwmac4_set_rx_tail_ptr, .set_tx_tail_ptr = dwmac4_set_tx_tail_ptr, .enable_tso = dwmac4_enable_tso, + .qmode = dwmac4_qmode, }; |