From bdb5c58ebe4301f9c3470cc35adeff1ef7ee99eb Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 9 Dec 2005 11:34:55 -0800 Subject: [PATCH] [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 Signed-off-by: Jeff Garzik --- drivers/net/sky2.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 0f694a917fbd..f2f8f60a0911 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 @@ static int debug = -1; /* defaults above */ 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 @@ static struct sk_buff *sky2_receive(struct sky2_port *sky2, 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; -- 2.39.5