netdev - [PATCH net-next 03/13] net: airoha: Move reg/write utility routines in airoha

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Message-Id: <20250205-airoha-en7581-flowtable-offload-v1-3-d362cfa97b01@kernel.org>
Date: Wed, 05 Feb 2025 19:21:22 +0100
From: Lorenzo Bianconi <lorenzo@...nel.org>
To: Andrew Lunn <andrew+netdev@...n.ch>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Felix Fietkau <nbd@....name>, Sean Wang <sean.wang@...iatek.com>, 
 Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
 Philipp Zabel <p.zabel@...gutronix.de>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Lorenzo Bianconi <lorenzo@...nel.org>
Cc: netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org, 
 upstream@...oha.com
Subject: [PATCH net-next 03/13] net: airoha: Move reg/write utility
 routines in airoha_eth.h

This is a preliminary patch to introduce flowtable hw offloading
support for airoha_eth driver.

Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
---
 drivers/net/ethernet/airoha/airoha_eth.c | 28 +++-------------------------
 drivers/net/ethernet/airoha/airoha_eth.h | 26 ++++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 25 deletions(-)

diff --git a/drivers/net/ethernet/airoha/airoha_eth.c b/drivers/net/ethernet/airoha/airoha_eth.c
index a9074c6b55efc5c2fc1f09f8f8a6fdb34508d5cd..5916600555d6094a86c4bd3c17fa7bf8750059bd 100644
--- a/drivers/net/ethernet/airoha/airoha_eth.c
+++ b/drivers/net/ethernet/airoha/airoha_eth.c
@@ -673,17 +673,17 @@ struct airoha_qdma_fwd_desc {
 	__le32 rsv1;
 };
 
-static u32 airoha_rr(void __iomem *base, u32 offset)
+u32 airoha_rr(void __iomem *base, u32 offset)
 {
 	return readl(base + offset);
 }
 
-static void airoha_wr(void __iomem *base, u32 offset, u32 val)
+void airoha_wr(void __iomem *base, u32 offset, u32 val)
 {
 	writel(val, base + offset);
 }
 
-static u32 airoha_rmw(void __iomem *base, u32 offset, u32 mask, u32 val)
+u32 airoha_rmw(void __iomem *base, u32 offset, u32 mask, u32 val)
 {
 	val |= (airoha_rr(base, offset) & ~mask);
 	airoha_wr(base, offset, val);
@@ -691,28 +691,6 @@ static u32 airoha_rmw(void __iomem *base, u32 offset, u32 mask, u32 val)
 	return val;
 }
 
-#define airoha_fe_rr(eth, offset)				\
-	airoha_rr((eth)->fe_regs, (offset))
-#define airoha_fe_wr(eth, offset, val)				\
-	airoha_wr((eth)->fe_regs, (offset), (val))
-#define airoha_fe_rmw(eth, offset, mask, val)			\
-	airoha_rmw((eth)->fe_regs, (offset), (mask), (val))
-#define airoha_fe_set(eth, offset, val)				\
-	airoha_rmw((eth)->fe_regs, (offset), 0, (val))
-#define airoha_fe_clear(eth, offset, val)			\
-	airoha_rmw((eth)->fe_regs, (offset), (val), 0)
-
-#define airoha_qdma_rr(qdma, offset)				\
-	airoha_rr((qdma)->regs, (offset))
-#define airoha_qdma_wr(qdma, offset, val)			\
-	airoha_wr((qdma)->regs, (offset), (val))
-#define airoha_qdma_rmw(qdma, offset, mask, val)		\
-	airoha_rmw((qdma)->regs, (offset), (mask), (val))
-#define airoha_qdma_set(qdma, offset, val)			\
-	airoha_rmw((qdma)->regs, (offset), 0, (val))
-#define airoha_qdma_clear(qdma, offset, val)			\
-	airoha_rmw((qdma)->regs, (offset), (val), 0)
-
 static void airoha_qdma_set_irqmask(struct airoha_qdma *qdma, int index,
 				    u32 clear, u32 set)
 {
diff --git a/drivers/net/ethernet/airoha/airoha_eth.h b/drivers/net/ethernet/airoha/airoha_eth.h
index 3310e0cf85f1d240e95404a0c15703e5f6be26bc..743aaf10235fe09fb2a91b491f4b25064ed8319b 100644
--- a/drivers/net/ethernet/airoha/airoha_eth.h
+++ b/drivers/net/ethernet/airoha/airoha_eth.h
@@ -248,4 +248,30 @@ struct airoha_eth {
 	struct airoha_gdm_port *ports[AIROHA_MAX_NUM_GDM_PORTS];
 };
 
+u32 airoha_rr(void __iomem *base, u32 offset);
+void airoha_wr(void __iomem *base, u32 offset, u32 val);
+u32 airoha_rmw(void __iomem *base, u32 offset, u32 mask, u32 val);
+
+#define airoha_fe_rr(eth, offset)				\
+	airoha_rr((eth)->fe_regs, (offset))
+#define airoha_fe_wr(eth, offset, val)				\
+	airoha_wr((eth)->fe_regs, (offset), (val))
+#define airoha_fe_rmw(eth, offset, mask, val)			\
+	airoha_rmw((eth)->fe_regs, (offset), (mask), (val))
+#define airoha_fe_set(eth, offset, val)				\
+	airoha_rmw((eth)->fe_regs, (offset), 0, (val))
+#define airoha_fe_clear(eth, offset, val)			\
+	airoha_rmw((eth)->fe_regs, (offset), (val), 0)
+
+#define airoha_qdma_rr(qdma, offset)				\
+	airoha_rr((qdma)->regs, (offset))
+#define airoha_qdma_wr(qdma, offset, val)			\
+	airoha_wr((qdma)->regs, (offset), (val))
+#define airoha_qdma_rmw(qdma, offset, mask, val)		\
+	airoha_rmw((qdma)->regs, (offset), (mask), (val))
+#define airoha_qdma_set(qdma, offset, val)			\
+	airoha_rmw((qdma)->regs, (offset), 0, (val))
+#define airoha_qdma_clear(qdma, offset, val)			\
+	airoha_rmw((qdma)->regs, (offset), (val), 0)
+
 #endif /* AIROHA_ETH_H */

-- 
2.48.1