---

yaml
---
r: 103482
b: refs/heads/master
c: d9fed18
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2115a6432911b669bec037686066c7bbc70cc68e
+refs/heads/master: d9fed18bf9090bd0682f3c611c40261a98a2842d

trunk/drivers/net/ixgb/ixgb_main.c

@@ -40,6 +40,12 @@ static char ixgb_driver_string[] = "Intel(R) PRO/10GbE Network Driver";
 const char ixgb_driver_version[] = DRV_VERSION;
 static const char ixgb_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
 
+#define IXGB_CB_LENGTH 256
+static unsigned int copybreak __read_mostly = IXGB_CB_LENGTH;
+module_param(copybreak, uint, 0644);
+MODULE_PARM_DESC(copybreak,
+	"Maximum size of packet that is copied to a new buffer on receive");
+
 /* ixgb_pci_tbl - PCI Device ID Table
  *
  * Wildcard entries (PCI_ANY_ID) should come last
@@ -1976,8 +1982,7 @@ ixgb_clean_rx_irq(struct ixgb_adapter *adapter)
 		/* 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) {
+		if (length < copybreak) {
 			struct sk_buff *new_skb =
 			    netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
 			if (new_skb) {