[PATCH] sky2: copy threshold as module parameter
Make the copy threshold a module parameter for those who
may want to turn it off.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 0f694a9..f2f8f60 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -76,7 +76,6 @@
#define RX_LE_BYTES (RX_LE_SIZE*sizeof(struct sky2_rx_le))
#define RX_MAX_PENDING (RX_LE_SIZE/2 - 2)
#define RX_DEF_PENDING RX_MAX_PENDING
-#define RX_COPY_THRESHOLD 256
#define TX_RING_SIZE 512
#define TX_DEF_PENDING (TX_RING_SIZE - 1)
@@ -99,6 +98,10 @@
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
+static int copybreak __read_mostly = 256;
+module_param(copybreak, int, 0);
+MODULE_PARM_DESC(copybreak, "Receive copy threshold");
+
static const struct pci_device_id sky2_id_table[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) },
{ PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) },
@@ -1653,7 +1656,7 @@
if (!(status & GMR_FS_RX_OK))
goto resubmit;
- if (length < RX_COPY_THRESHOLD) {
+ if (length < copybreak) {
skb = alloc_skb(length + 2, GFP_ATOMIC);
if (!skb)
goto resubmit;