From b410439ca371334cd9e5772e411b5e2b6b2d0c9a Mon Sep 17 00:00:00 2001
From: Heiner Kallweit <hkallweit1@gmail.com>
Date: Tue, 28 Apr 2020 22:54:12 +0200
Subject: [PATCH] r8169: improve max jumbo packet size definition
Git-commit: b410439ca371334cd9e5772e411b5e2b6b2d0c9a
Patch-mainline: v5.8-rc1
References: bsc#1175746
Sync definition of max jumbo packet size with vendor driver and reserve
22 bytes for VLAN ethernet header plus checksum.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/ethernet/realtek/r8169_main.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index aa3e63e031da..82f2ae7b6cf7 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -88,10 +88,10 @@
#define RTL_R16(tp, reg) readw(tp->mmio_addr + (reg))
#define RTL_R32(tp, reg) readl(tp->mmio_addr + (reg))
-#define JUMBO_4K (4*1024 - ETH_HLEN - 2)
-#define JUMBO_6K (6*1024 - ETH_HLEN - 2)
-#define JUMBO_7K (7*1024 - ETH_HLEN - 2)
-#define JUMBO_9K (9*1024 - ETH_HLEN - 2)
+#define JUMBO_4K (4 * SZ_1K - VLAN_ETH_HLEN - ETH_FCS_LEN)
+#define JUMBO_6K (6 * SZ_1K - VLAN_ETH_HLEN - ETH_FCS_LEN)
+#define JUMBO_7K (7 * SZ_1K - VLAN_ETH_HLEN - ETH_FCS_LEN)
+#define JUMBO_9K (9 * SZ_1K - VLAN_ETH_HLEN - ETH_FCS_LEN)
static const struct {
const char *name;
--
2.16.4