Commit 6b900bb4 authored by Auke Kok's avatar Auke Kok Committed by Auke Kok

ixgb: use rx copybreak/skb recycle

o use rx copybreak/skb recycle
Signed-off-by: default avatarJesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: default avatarAuke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: default avatarJohn Ronciak <john.ronciak@intel.com>
parent 1dfdd7df
...@@ -1990,6 +1990,26 @@ ixgb_clean_rx_irq(struct ixgb_adapter *adapter) ...@@ -1990,6 +1990,26 @@ ixgb_clean_rx_irq(struct ixgb_adapter *adapter)
goto rxdesc_done; goto rxdesc_done;
} }
/* code added for copybreak, this should improve
* performance for small packets with large amounts
* of reassembly being done in the stack */
#define IXGB_CB_LENGTH 256
if (length < IXGB_CB_LENGTH) {
struct sk_buff *new_skb =
dev_alloc_skb(length + NET_IP_ALIGN);
if (new_skb) {
skb_reserve(new_skb, NET_IP_ALIGN);
new_skb->dev = netdev;
memcpy(new_skb->data - NET_IP_ALIGN,
skb->data - NET_IP_ALIGN,
length + NET_IP_ALIGN);
/* save the skb in buffer_info as good */
buffer_info->skb = skb;
skb = new_skb;
}
}
/* end copybreak code */
/* Good Receive */ /* Good Receive */
skb_put(skb, length); skb_put(skb, length);
......
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