net: stmmac: socfpga: Enable TBS support for Agilex5

Agilex5 supports Time-Based Scheduling(TBS) for Tx queue 6 and Tx
queue 7. This commit enables TBS support for these queues.

Signed-off-by: Rohan G Thomas <rohan.g.thomas@altera.com>
Link: https://patch.msgid.link/20251101-agilex5_ext-v2-2-a6b51b4dca4d@altera.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
index 5666b01723643984f21b996e7653a36f4dc22e30..4f256f0ae05c15d28e4836d676e2f2c052540184 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
@@ -457,6 +457,19 @@ static void socfpga_agilex5_setup_plat_dat(struct socfpga_dwmac *dwmac)
        struct plat_stmmacenet_data *plat_dat = dwmac->plat_dat;
 
        plat_dat->core_type = DWMAC_CORE_XGMAC;
+
+       /* Enable TBS */
+       switch (plat_dat->tx_queues_to_use) {
+       case 8:
+               plat_dat->tx_queues_cfg[7].tbs_en = true;
+               fallthrough;
+       case 7:
+               plat_dat->tx_queues_cfg[6].tbs_en = true;
+               break;
+       default:
+               /* Tx Queues 0 - 5 doesn't support TBS on Agilex5 */
+               break;
+       }
 }
 
 static int socfpga_dwmac_probe(struct platform_device *pdev)