Measure the receive buffer size in ATM cells (53 bytes).
speedtouch.c | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)
diff -Nru a/drivers/usb/misc/speedtouch.c b/drivers/usb/misc/speedtouch.c
--- a/drivers/usb/misc/speedtouch.c Wed Feb 5 16:18:30 2003
+++ b/drivers/usb/misc/speedtouch.c Wed Feb 5 16:18:30 2003
@@ -90,7 +90,7 @@
#define UDSL_NUMBER_RCV_URBS 1
#define UDSL_NUMBER_SND_URBS 1
-#define UDSL_RCV_BUFFER_SIZE 64*53
+#define UDSL_RCV_BUFFER_SIZE (1*64) /* ATM cells */
/* max should be (1500 IP mtu + 2 ppp bytes + 32 * 5 cellheader overhead) for
* PPPoA and (1500 + 14 + 32*5 cellheader overhead) for PPPoE */
#define UDSL_MAX_AAL5_MRU 2048
@@ -312,7 +312,7 @@
instance->usb_dev,
usb_rcvbulkpipe (instance->usb_dev,
UDSL_ENDPOINT_DATA_IN),
(unsigned char *) rcv->skb->data,
- UDSL_RCV_BUFFER_SIZE,
+ UDSL_RCV_BUFFER_SIZE * ATM_CELL_SIZE,
udsl_complete_receive,
rcv);
if (!usb_submit_urb (urb, GFP_ATOMIC))
@@ -355,7 +355,7 @@
instance->usb_dev,
usb_rcvbulkpipe (instance->usb_dev,
UDSL_ENDPOINT_DATA_IN),
(unsigned char *) rcv->skb->data,
- UDSL_RCV_BUFFER_SIZE,
+ UDSL_RCV_BUFFER_SIZE * ATM_CELL_SIZE,
udsl_complete_receive,
rcv);
@@ -809,7 +809,7 @@
for (i = 0; i < UDSL_NUMBER_RCV_URBS; i++) {
struct udsl_receiver *rcv = &(instance->all_receivers[i]);
- if (!(rcv->skb = dev_alloc_skb (UDSL_RCV_BUFFER_SIZE))) {
+ if (!(rcv->skb = dev_alloc_skb (UDSL_RCV_BUFFER_SIZE *
+ATM_CELL_SIZE))) {
PDEBUG ("No memory for skb %d!\n", i);
err = -ENOMEM;
goto fail_urbs;
@@ -825,7 +825,7 @@
list_add (&rcv->list, &instance->spare_receivers);
- PDEBUG ("skb->truesize = %d (asked for %d)\n", rcv->skb->truesize,
UDSL_RCV_BUFFER_SIZE);
+ PDEBUG ("skb->truesize = %d (asked for %d)\n", rcv->skb->truesize,
+UDSL_RCV_BUFFER_SIZE * ATM_CELL_SIZE);
}
for (i = 0; i < UDSL_NUMBER_SND_URBS; i++) {
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