diff mbox series

[5.10.y-cip,03/11] net: ravb: Factor out checksum offload enable bits

Message ID 20250227145720.229324-4-paul.barker.ct@bp.renesas.com (mailing list archive)
State New
Headers show
Series ravb backports: MTU fix, VLAN & IPv6 support | expand

Commit Message

Paul Barker Feb. 27, 2025, 2:57 p.m. UTC 
commit 8e3037924a36505531999df8f5847a68b9272c41 upstream.

Introduce new constants for the CSR1 (TX) and CSR2 (RX) checksum enable
bits, removing the risk of inconsistency when we change which flags we
enable.

Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com>
---
 drivers/net/ethernet/renesas/ravb.h      | 4 ++++
 drivers/net/ethernet/renesas/ravb_main.c | 9 ++++-----
 2 files changed, 8 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h
index f8bf7be5f910..93d8499429cc 100644
--- a/drivers/net/ethernet/renesas/ravb.h
+++ b/drivers/net/ethernet/renesas/ravb.h
@@ -996,6 +996,8 @@  enum CSR1_BIT {
 	CSR1_TDHD	= 0x08000000,
 };
 
+#define CSR1_CSUM_ENABLE (CSR1_TIP4 | CSR1_TTCP4 | CSR1_TUDP4)
+
 enum CSR2_BIT {
 	CSR2_RIP4	= 0x00000001,
 	CSR2_RTCP4	= 0x00000010,
@@ -1010,6 +1012,8 @@  enum CSR2_BIT {
 	CSR2_RDHD	= 0x08000000,
 };
 
+#define CSR2_CSUM_ENABLE (CSR2_RIP4 | CSR2_RTCP4 | CSR2_RUDP4 | CSR2_RICMP4)
+
 #define DBAT_ENTRY_NUM	22
 #define RX_QUEUE_OFFSET	4
 #define NUM_RX_QUEUE	2
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index f8b58995e9b6..f0b73b8dfb19 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -477,11 +477,10 @@  static void ravb_csum_init_gbeth(struct net_device *ndev)
 			ndev->features &= ~NETIF_F_RXCSUM;
 	} else {
 		if (tx_enable)
-			ravb_write(ndev, CSR1_TIP4 | CSR1_TTCP4 | CSR1_TUDP4, CSR1);
+			ravb_write(ndev, CSR1_CSUM_ENABLE, CSR1);
 
 		if (rx_enable)
-			ravb_write(ndev, CSR2_RIP4 | CSR2_RTCP4 | CSR2_RUDP4 | CSR2_RICMP4,
-				   CSR2);
+			ravb_write(ndev, CSR2_CSUM_ENABLE, CSR2);
 	}
 
 done:
@@ -2508,7 +2507,7 @@  static int ravb_set_features_gbeth(struct net_device *ndev,
 	spin_lock_irqsave(&priv->lock, flags);
 	if (changed & NETIF_F_RXCSUM) {
 		if (features & NETIF_F_RXCSUM)
-			val = CSR2_RIP4 | CSR2_RTCP4 | CSR2_RUDP4 | CSR2_RICMP4;
+			val = CSR2_CSUM_ENABLE;
 		else
 			val = 0;
 
@@ -2519,7 +2518,7 @@  static int ravb_set_features_gbeth(struct net_device *ndev,
 
 	if (changed & NETIF_F_HW_CSUM) {
 		if (features & NETIF_F_HW_CSUM)
-			val = CSR1_TIP4 | CSR1_TTCP4 | CSR1_TUDP4;
+			val = CSR1_CSUM_ENABLE;
 		else
 			val = 0;