kernel: improve GRO performance

[openwrt/openwrt.git] / target / linux / generic / hack-6.1 / 600-net-enable-fraglist-GRO-by-default.patch

diff --git a/target/linux/generic/hack-6.1/600-net-enable-fraglist-GRO-by-default.patch b/target/linux/generic/hack-6.1/600-net-enable-fraglist-GRO-by-default.patch
new file mode 100644 (file)
index 0000000..51f9900
--- /dev/null
+++ b/target/linux/generic/hack-6.1/600-net-enable-fraglist-GRO-by-default.patch
@@ -0,0 +1,24 @@
+From: Felix Fietkau <nbd@nbd.name>
+Date: Tue, 23 Apr 2024 12:35:21 +0200
+Subject: [PATCH] net: enable fraglist GRO by default
+
+This can significantly improve performance for packet forwarding/bridging
+
+Signed-off-by: Felix Fietkau <nbd@nbd.name>
+---
+
+--- a/include/linux/netdev_features.h
++++ b/include/linux/netdev_features.h
+@@ -242,10 +242,10 @@ static inline int find_next_netdev_featu
+ #define NETIF_F_UPPER_DISABLES        NETIF_F_LRO
+ 
+ /* changeable features with no special hardware requirements */
+-#define NETIF_F_SOFT_FEATURES (NETIF_F_GSO | NETIF_F_GRO)
++#define NETIF_F_SOFT_FEATURES (NETIF_F_GSO | NETIF_F_GRO | NETIF_F_GRO_FRAGLIST)
+ 
+ /* Changeable features with no special hardware requirements that defaults to off. */
+-#define NETIF_F_SOFT_FEATURES_OFF     (NETIF_F_GRO_FRAGLIST | NETIF_F_GRO_UDP_FWD)
++#define NETIF_F_SOFT_FEATURES_OFF     (NETIF_F_GRO_UDP_FWD)
+ 
+ #define NETIF_F_VLAN_FEATURES (NETIF_F_HW_VLAN_CTAG_FILTER | \
+                                NETIF_F_HW_VLAN_CTAG_RX | \