Commit 473367a5 authored by Heiner Kallweit's avatar Heiner Kallweit Committed by Jakub Kicinski
Browse files

r8169: increase max jumbo packet size on RTL8125/RTL8126 



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: default avatarRui Salvaterra <rsalvaterra@gmail.com>
Tested-by: default avatarRui Salvaterra <rsalvaterra@gmail.com>
Signed-off-by: default avatarHeiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: default avatarSimon Horman <horms@kernel.org>
Link: https://patch.msgid.link/396762ad-cc65-4e60-b01e-8847db89e98b@gmail.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent feb2935e

drivers/net/ethernet/realtek/r8169_main.c

+4 −0
Original line number Diff line number Diff line
@@ -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;

	}