pasemi_mac: Remove SKB copy/recycle logic
pasemi_mac: Remove SKB copy/recycle logic
It doesn't really buy us much, since copying is about as expensive
as the allocation in the first place. Just remove it for now.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/pasemi_mac.c b/drivers/net/pasemi_mac.c
index ca77358..07475bb 100644
--- a/drivers/net/pasemi_mac.c
+++ b/drivers/net/pasemi_mac.c
@@ -503,13 +503,8 @@
/* Entry in use? */
WARN_ON(*buff);
- /* skb might still be in there for recycle on short receives */
- if (info->skb)
- skb = info->skb;
- else {
- skb = dev_alloc_skb(BUF_SIZE);
- skb_reserve(skb, LOCAL_SKB_ALIGN);
- }
+ skb = dev_alloc_skb(BUF_SIZE);
+ skb_reserve(skb, LOCAL_SKB_ALIGN);
if (unlikely(!skb))
break;
@@ -666,21 +661,7 @@
goto next;
}
- if (len < 256) {
- struct sk_buff *new_skb;
-
- new_skb = netdev_alloc_skb(mac->netdev,
- len + LOCAL_SKB_ALIGN);
- if (new_skb) {
- skb_reserve(new_skb, LOCAL_SKB_ALIGN);
- memcpy(new_skb->data, skb->data, len);
- /* save the skb in buffer_info as good */
- skb = new_skb;
- }
- /* else just continue with the old one */
- } else
- info->skb = NULL;
-
+ info->skb = NULL;
info->dma = 0;
if (likely((macrx & XCT_MACRX_HTY_M) == XCT_MACRX_HTY_IPV4_OK)) {