mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2025-10-30 21:44:27 -04:00
57 lines
1.8 KiB
Diff
57 lines
1.8 KiB
Diff
--- a/include/linux/skbuff.h
|
|
+++ b/include/linux/skbuff.h
|
|
@@ -1387,11 +1387,18 @@ 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)
|
|
@@ -1481,9 +1488,9 @@ 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
|
|
@@ -336,9 +336,9 @@ 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;
|