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author | Alexandros C. Couloumbis <alex@ozo.com> | 2010-03-11 12:24:17 +0000 |
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committer | Alexandros C. Couloumbis <alex@ozo.com> | 2010-03-11 12:24:17 +0000 |
commit | 29fec42733aec697e4bd5edf0be9f4d803853ef1 (patch) | |
tree | da443108ade7fa374fd71cd77dd7913fc456ba1e /target/linux/generic-2.6/patches-2.6.34/205-skb_padding.patch | |
parent | 55770a36bd881e16ce586004580ea5f379a58d87 (diff) | |
download | master-187ad058-29fec42733aec697e4bd5edf0be9f4d803853ef1.tar.gz master-187ad058-29fec42733aec697e4bd5edf0be9f4d803853ef1.tar.bz2 master-187ad058-29fec42733aec697e4bd5edf0be9f4d803853ef1.zip |
generic-2.6: add 2.6.34 preliminary support (patches)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20140 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.34/205-skb_padding.patch')
-rw-r--r-- | target/linux/generic-2.6/patches-2.6.34/205-skb_padding.patch | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.34/205-skb_padding.patch b/target/linux/generic-2.6/patches-2.6.34/205-skb_padding.patch new file mode 100644 index 0000000000..6e6d28b770 --- /dev/null +++ b/target/linux/generic-2.6/patches-2.6.34/205-skb_padding.patch @@ -0,0 +1,56 @@ +--- a/include/linux/skbuff.h ++++ b/include/linux/skbuff.h +@@ -1377,11 +1377,18 @@ static inline int skb_network_offset(con + * + * Various parts of the networking layer expect at least 32 bytes of + * headroom, you should not reduce this. ++ * ++ * This has been changed to 64 to acommodate for routing between ethernet ++ * and wireless, but only for new allocations + */ + #ifndef NET_SKB_PAD + #define NET_SKB_PAD 32 + #endif + ++#ifndef NET_SKB_PAD_ALLOC ++#define NET_SKB_PAD_ALLOC 64 ++#endif ++ + extern int ___pskb_trim(struct sk_buff *skb, unsigned int len); + + static inline void __skb_trim(struct sk_buff *skb, unsigned int len) +@@ -1471,9 +1478,9 @@ static inline void __skb_queue_purge(str + static inline struct sk_buff *__dev_alloc_skb(unsigned int length, + gfp_t gfp_mask) + { +- struct sk_buff *skb = alloc_skb(length + NET_SKB_PAD, gfp_mask); ++ struct sk_buff *skb = alloc_skb(length + NET_SKB_PAD_ALLOC, gfp_mask); + if (likely(skb)) +- skb_reserve(skb, NET_SKB_PAD); ++ skb_reserve(skb, NET_SKB_PAD_ALLOC); + return skb; + } + +@@ -1556,7 +1563,7 @@ static inline int __skb_cow(struct sk_bu + delta = headroom - skb_headroom(skb); + + if (delta || cloned) +- return pskb_expand_head(skb, ALIGN(delta, NET_SKB_PAD), 0, ++ return pskb_expand_head(skb, ALIGN(delta, NET_SKB_PAD_ALLOC), 0, + GFP_ATOMIC); + return 0; + } +--- a/net/core/skbuff.c ++++ b/net/core/skbuff.c +@@ -339,9 +339,9 @@ struct sk_buff *__netdev_alloc_skb(struc + int node = dev->dev.parent ? dev_to_node(dev->dev.parent) : -1; + struct sk_buff *skb; + +- skb = __alloc_skb(length + NET_SKB_PAD, gfp_mask, 0, node); ++ skb = __alloc_skb(length + NET_SKB_PAD_ALLOC, gfp_mask, 0, node); + if (likely(skb)) { +- skb_reserve(skb, NET_SKB_PAD); ++ skb_reserve(skb, NET_SKB_PAD_ALLOC); + skb->dev = dev; + } + return skb; |