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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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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 <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>

authored by

Heiner Kallweit and committed by
Jakub Kicinski 473367a5 feb2935e

+4
+4
drivers/net/ethernet/realtek/r8169_main.c
··· 89 89 #define JUMBO_6K (6 * SZ_1K - VLAN_ETH_HLEN - ETH_FCS_LEN) 90 90 #define JUMBO_7K (7 * SZ_1K - VLAN_ETH_HLEN - ETH_FCS_LEN) 91 91 #define JUMBO_9K (9 * SZ_1K - VLAN_ETH_HLEN - ETH_FCS_LEN) 92 + #define JUMBO_16K (SZ_16K - VLAN_ETH_HLEN - ETH_FCS_LEN) 92 93 93 94 static const struct { 94 95 const char *name; ··· 5361 5360 /* RTL8168c */ 5362 5361 case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_24: 5363 5362 return JUMBO_6K; 5363 + /* RTL8125/8126 */ 5364 + case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_71: 5365 + return JUMBO_16K; 5364 5366 default: 5365 5367 return JUMBO_9K; 5366 5368 }