From: Heiner Kallweit <hkallweit1@gmail.com>
To: Realtek linux nic maintainers <nic_swsd@realtek.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
Paolo Abeni <pabeni@redhat.com>, Jakub Kicinski <kuba@kernel.org>,
David Miller <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Simon Horman <horms@kernel.org>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
Rui Salvaterra <rsalvaterra@gmail.com>
Subject: [PATCH net-next] r8169: increase max jumbo packet size on RTL8125/RTL8126
Date: Fri, 7 Mar 2025 08:29:47 +0100 [thread overview]
Message-ID: <396762ad-cc65-4e60-b01e-8847db89e98b@gmail.com> (raw)
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>
---
drivers/net/ethernet/realtek/r8169_main.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index fa339bd8c..b18daeeda 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -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;
}
--
2.48.1
next reply other threads:[~2025-03-07 7:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-07 7:29 Heiner Kallweit [this message]
2025-03-10 6:36 ` [PATCH net-next] r8169: increase max jumbo packet size on RTL8125/RTL8126 Simon Horman
2025-03-10 20:40 ` patchwork-bot+netdevbpf
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