From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 8 Apr 2009 16:57:41 +0000 (+0000)
Subject: kernel: increase skb padding for network devices to accomodate for headroom requireme... 
X-Git-Tag: reboot~24010
X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=commitdiff_plain;h=bc1c56a7c558f434af2cac4336c824f06321385a;hp=dde5dc622a6be8a05e2e565cf2ab448af376457f;ds=sidebyside

kernel: increase skb padding for network devices to accomodate for headroom requirements of eth->wifi routing and more

SVN-Revision: 15158
---

diff --git a/target/linux/generic-2.6/patches-2.6.28/205-skb_padding.patch b/target/linux/generic-2.6/patches-2.6.28/205-skb_padding.patch
new file mode 100644
index 0000000000..b47696af87
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.28/205-skb_padding.patch
@@ -0,0 +1,16 @@
+--- a/include/linux/skbuff.h
++++ b/include/linux/skbuff.h
+@@ -1256,9 +1256,12 @@ static inline int skb_network_offset(con
+  *
+  * Various parts of the networking layer expect at least 16 bytes of
+  * headroom, you should not reduce this.
++ *
++ * This has been changed to 64 to acommodate for routing between ethernet
++ * and wireless
+  */
+ #ifndef NET_SKB_PAD
+-#define NET_SKB_PAD	16
++#define NET_SKB_PAD	64
+ #endif
+ 
+ extern int ___pskb_trim(struct sk_buff *skb, unsigned int len);