ChangeSet 1.1318, 2003/05/29 22:44:25-07:00, [EMAIL PROTECTED]
[PATCH] USB: ethernet "gadget", rx overflows happen
I tightened up rx overflow logic in the net2280 driver
a while back, and it broke MTU size packets in this
driver (host pads them out). This patch accomodates it
by allocating a slightly larger buffer (almost 3*512).
drivers/usb/gadget/ether.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletion(-)
diff -Nru a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
--- a/drivers/usb/gadget/ether.c Fri May 30 11:35:07 2003
+++ b/drivers/usb/gadget/ether.c Fri May 30 11:35:07 2003
@@ -76,6 +76,7 @@
#define MIN_PACKET sizeof(struct ethhdr)
#define MAX_PACKET ETH_DATA_LEN /* biggest packet we'll rx/tx */
+#define RX_EXTRA 20 /* guard against rx overflows */
/* FIXME allow high speed jumbograms */
@@ -1226,7 +1227,7 @@
int retval = 0;
size_t size;
- size = (sizeof (struct ethhdr) + dev->net.mtu);
+ size = (sizeof (struct ethhdr) + dev->net.mtu + RX_EXTRA);
if ((skb = alloc_skb (size, gfp_flags)) == 0) {
DEBUG (dev, "no rx skb\n");
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