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r8169: increase max jumbo packet size on RTL8125/RTL8126

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Realtek confirmed that all RTL8125/RTL8126 chip versions support up to
16K jumbo packets. Reflect this in the driver.

Tested by Rui on RTL8125B with 12K jumbo packets.

Suggested-by: Rui Salvaterra <rsalvaterra@gmail.com>
Tested-by: Rui Salvaterra <rsalvaterra@gmail.com>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/396762ad-cc65-4e60-b01e-8847db89e98b@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Heiner Kallweit
2025-03-07 08:29:47 +01:00
committed by Jakub Kicinski
parent feb2935e14
commit 473367a5ff
1 changed files with 4 additions and 0 deletions
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4
drivers/net/ethernet/realtek/r8169_main.c
View File

@@ -89,6 +89,7 @@
#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)
#define JUMBO_16K (SZ_16K - VLAN_ETH_HLEN - ETH_FCS_LEN)
static const struct {
const char *name;
@@ -5360,6 +5361,9 @@ static int rtl_jumbo_max(struct rtl8169_private *tp)
/* RTL8168c */
case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_24:
return JUMBO_6K;
/* RTL8125/8126 */
case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_71:
return JUMBO_16K;
default:
return JUMBO_9K;
}