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Message-Id: <20230809165007.1439-5-jszhang@kernel.org>
Date: Thu, 10 Aug 2023 00:50:01 +0800
From: Jisheng Zhang <jszhang@...nel.org>
To: "David S . Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Giuseppe Cavallaro <peppe.cavallaro@...com>,
Alexandre Torgue <alexandre.torgue@...s.st.com>,
Jose Abreu <joabreu@...opsys.com>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org,
linux-stm32@...md-mailman.stormreply.com,
linux-arm-kernel@...ts.infradead.org
Subject: [PATCH net-next v3 04/10] 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 <jszhang@...nel.org>
---
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 a0c2ef8bb0ac..aaae82d3d9dc 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
@@ -202,9 +202,8 @@ 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 ef67dba775d0..11671fd6adee 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
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