From 173c228dc0c4a57d12f15c82a3e5c48fd01372eb Mon Sep 17 00:00:00 2001
From: Auke Kok <auke-jan.h.kok@intel.com>
Date: Thu, 25 May 2006 13:24:21 -0700
Subject: [PATCH] --- yaml --- r: 27366 b: refs/heads/master c:
 6b900bb4bcb6095339f8d404babd9d779bfa1ea4 h: refs/heads/master v: v3

---
 [refs]                             |  2 +-
 trunk/drivers/net/ixgb/ixgb_main.c | 20 ++++++++++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index d341443b509a..08a754d6c478 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1dfdd7df21309e57867962020a5ccb83d00e5432
+refs/heads/master: 6b900bb4bcb6095339f8d404babd9d779bfa1ea4
diff --git a/trunk/drivers/net/ixgb/ixgb_main.c b/trunk/drivers/net/ixgb/ixgb_main.c
index 27034b3ba80b..0e23994a6a76 100644
--- a/trunk/drivers/net/ixgb/ixgb_main.c
+++ b/trunk/drivers/net/ixgb/ixgb_main.c
@@ -1990,6 +1990,26 @@ ixgb_clean_rx_irq(struct ixgb_adapter *adapter)
 			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 */
 		skb_put(skb, length);