2023-08-17 15:46:50

by Jisheng Zhang

[permalink] [raw]
Subject: [PATCH net-next v4 3/9] net: stmmac: enlarge max rx/tx queues and channels to 16

xgmac supports up to 16 rx/tx queues and up to 16 channels.

Signed-off-by: Jisheng Zhang <[email protected]>
Acked-by: Alexandre TORGUE <[email protected]>
---
drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c | 5 ++---
include/linux/stmmac.h | 6 +++---
2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
index 38782662ff98..8ac994553bc1 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
@@ -232,9 +232,8 @@ static void dwxgmac2_map_mtl_to_dma(struct mac_device_info *hw, u32 queue,
void __iomem *ioaddr = hw->pcsr;
u32 value, reg;

- reg = (queue < 4) ? XGMAC_MTL_RXQ_DMA_MAP0 : XGMAC_MTL_RXQ_DMA_MAP1;
- if (queue >= 4)
- queue -= 4;
+ reg = XGMAC_MTL_RXQ_DMA_MAP0 + (queue & ~0x3);
+ queue &= 0x3;

value = readl(ioaddr + reg);
value &= ~XGMAC_QxMDMACH(queue);
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index 784277d666eb..9c90e2e295d4 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -15,9 +15,9 @@
#include <linux/platform_device.h>
#include <linux/phy.h>

-#define MTL_MAX_RX_QUEUES 8
-#define MTL_MAX_TX_QUEUES 8
-#define STMMAC_CH_MAX 8
+#define MTL_MAX_RX_QUEUES 16
+#define MTL_MAX_TX_QUEUES 16
+#define STMMAC_CH_MAX 16

#define STMMAC_RX_COE_NONE 0
#define STMMAC_RX_COE_TYPE1 1
--
2.40.1