aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/generic/patches-3.3/655-increase_skb_pad.patch
diff options
context:
space:
mode:
authorFelix Fietkau <nbd@openwrt.org>2012-05-27 14:43:58 +0000
committerFelix Fietkau <nbd@openwrt.org>2012-05-27 14:43:58 +0000
commit6f89cffc9add6939d44a6b54cf9a5e77849aa7fd (patch)
tree8b496d502de38bab52a4914aaa2338cbd43d0753 /target/linux/generic/patches-3.3/655-increase_skb_pad.patch
parentec7786c2ecd4ab717c84a53a992a8d23dd01bcdc (diff)
downloadupstream-6f89cffc9add6939d44a6b54cf9a5e77849aa7fd.tar.gz
upstream-6f89cffc9add6939d44a6b54cf9a5e77849aa7fd.tar.bz2
upstream-6f89cffc9add6939d44a6b54cf9a5e77849aa7fd.zip
kernel: add a few patches for avoiding unnecessary skb reallocations - significantly improves ethernet<->wireless performance with mac80211 based drivers
SVN-Revision: 31886
Diffstat (limited to 'target/linux/generic/patches-3.3/655-increase_skb_pad.patch')
-rw-r--r--target/linux/generic/patches-3.3/655-increase_skb_pad.patch11
1 files changed, 11 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.3/655-increase_skb_pad.patch b/target/linux/generic/patches-3.3/655-increase_skb_pad.patch
new file mode 100644
index 0000000000..5d14daadfa
--- /dev/null
+++ b/target/linux/generic/patches-3.3/655-increase_skb_pad.patch
@@ -0,0 +1,11 @@
+--- a/include/linux/skbuff.h
++++ b/include/linux/skbuff.h
+@@ -1558,7 +1558,7 @@ 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(48, L1_CACHE_BYTES)
+ #endif
+
+ extern int ___pskb_trim(struct sk_buff *skb, unsigned int len);