From: Heiner Kallweit Date: Fri, 7 Mar 2025 07:29:47 +0000 (+0100) Subject: r8169: increase max jumbo packet size on RTL8125/RTL8126 X-Git-Tag: v6.15-rc1~160^2~127 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=473367a5ffe1607a61be481e2feda684eb5faea9;p=thirdparty%2Fkernel%2Flinux.git 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: Rui Salvaterra Tested-by: Rui Salvaterra Signed-off-by: Heiner Kallweit Reviewed-by: Simon Horman Link: https://patch.msgid.link/396762ad-cc65-4e60-b01e-8847db89e98b@gmail.com Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index fa339bd8c775b..b18daeeda40d9 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; }