openwrt/target/linux/generic/pending-4.14/655-increase_skb_pad.patch
Hauke Mehrtens 2ecb22dc51 kernel: bump 4.14 to 4.14.217
Refreshed all patches.

Compile-tested on: ipq40xx, lantiq/xrx200, x86/64, ipq806x
Runtime-tested on: ipq40xx, lantiq/xrx200, x86/64

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2021-01-25 23:18:42 +01:00

21 lines
729 B
Diff

From: Felix Fietkau <nbd@nbd.name>
Subject: kernel: add a few patches for avoiding unnecessary skb reallocations - significantly improves ethernet<->wireless performance
lede-commit: 6f89cffc9add6939d44a6b54cf9a5e77849aa7fd
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
include/linux/skbuff.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2524,7 +2524,7 @@ static inline int pskb_network_may_pull(
* NET_IP_ALIGN(2) + ethernet_header(14) + IP_header(20/40) + ports(8)
*/
#ifndef NET_SKB_PAD
-#define NET_SKB_PAD max(32, L1_CACHE_BYTES)
+#define NET_SKB_PAD max(64, L1_CACHE_BYTES)
#endif
int ___pskb_trim(struct sk_buff *skb, unsigned int len);