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authorFurong Xu <0x1207@gmail.com>2023-08-09 10:02:38 +0800
committerJakub Kicinski <kuba@kernel.org>2023-08-10 17:37:21 -0700
commit0c2910ae7fa0caa0f1adc6fed73c23e5593b307b (patch)
tree726b7b7d6329f44e6102ac3db72a5bb75f1b7cfd /drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
parentc042502ce201bc1f1b0b38b2e89694048b6b047d (diff)
net: stmmac: xgmac: RX queue routing configuration
Commit abe80fdc6ee6 ("net: stmmac: RX queue routing configuration") introduced RX queue routing to DWMAC4 core. This patch extend the support to XGMAC2 core. Signed-off-by: Furong Xu <0x1207@gmail.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://lore.kernel.org/r/20230809020238.1136732-1-0x1207@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c34
1 files changed, 32 insertions, 2 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
index a0c2ef8bb0ac..38782662ff98 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
@@ -127,6 +127,36 @@ static void dwxgmac2_tx_queue_prio(struct mac_device_info *hw, u32 prio,
writel(value, ioaddr + reg);
}
+static void dwxgmac2_rx_queue_routing(struct mac_device_info *hw,
+ u8 packet, u32 queue)
+{
+ void __iomem *ioaddr = hw->pcsr;
+ u32 value;
+
+ static const struct stmmac_rx_routing dwxgmac2_route_possibilities[] = {
+ { XGMAC_AVCPQ, XGMAC_AVCPQ_SHIFT },
+ { XGMAC_PTPQ, XGMAC_PTPQ_SHIFT },
+ { XGMAC_DCBCPQ, XGMAC_DCBCPQ_SHIFT },
+ { XGMAC_UPQ, XGMAC_UPQ_SHIFT },
+ { XGMAC_MCBCQ, XGMAC_MCBCQ_SHIFT },
+ };
+
+ value = readl(ioaddr + XGMAC_RXQ_CTRL1);
+
+ /* routing configuration */
+ value &= ~dwxgmac2_route_possibilities[packet - 1].reg_mask;
+ value |= (queue << dwxgmac2_route_possibilities[packet - 1].reg_shift) &
+ dwxgmac2_route_possibilities[packet - 1].reg_mask;
+
+ /* some packets require extra ops */
+ if (packet == PACKET_AVCPQ)
+ value |= FIELD_PREP(XGMAC_TACPQE, 1);
+ else if (packet == PACKET_MCBCQ)
+ value |= FIELD_PREP(XGMAC_MCBCQEN, 1);
+
+ writel(value, ioaddr + XGMAC_RXQ_CTRL1);
+}
+
static void dwxgmac2_prog_mtl_rx_algorithms(struct mac_device_info *hw,
u32 rx_alg)
{
@@ -1463,7 +1493,7 @@ const struct stmmac_ops dwxgmac210_ops = {
.rx_queue_enable = dwxgmac2_rx_queue_enable,
.rx_queue_prio = dwxgmac2_rx_queue_prio,
.tx_queue_prio = dwxgmac2_tx_queue_prio,
- .rx_queue_routing = NULL,
+ .rx_queue_routing = dwxgmac2_rx_queue_routing,
.prog_mtl_rx_algorithms = dwxgmac2_prog_mtl_rx_algorithms,
.prog_mtl_tx_algorithms = dwxgmac2_prog_mtl_tx_algorithms,
.set_mtl_tx_queue_weight = dwxgmac2_set_mtl_tx_queue_weight,
@@ -1524,7 +1554,7 @@ const struct stmmac_ops dwxlgmac2_ops = {
.rx_queue_enable = dwxlgmac2_rx_queue_enable,
.rx_queue_prio = dwxgmac2_rx_queue_prio,
.tx_queue_prio = dwxgmac2_tx_queue_prio,
- .rx_queue_routing = NULL,
+ .rx_queue_routing = dwxgmac2_rx_queue_routing,
.prog_mtl_rx_algorithms = dwxgmac2_prog_mtl_rx_algorithms,
.prog_mtl_tx_algorithms = dwxgmac2_prog_mtl_tx_algorithms,
.set_mtl_tx_queue_weight = dwxgmac2_set_mtl_tx_queue_weight,