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 <hkallwe...@gmail.com>
---
 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 68d525556..8966687aa 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -87,10 +87,10 @@
 #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;
-- 
2.26.2

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