[PATCH] skge: don't allow transmit ring to be too small

The driver will get stuck (permanent transmit timeout), if the transmit
ring size is set too small.  It needs to have enough ring elements to
hold one maximum size transmit.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Stephen Hemminger 2006-05-15 16:32:39 -07:00 committed by Jeff Garzik
parent 20e777a2a7
commit a06631cbdc

View file

@ -401,7 +401,7 @@ static int skge_set_ring_param(struct net_device *dev,
int err;
if (p->rx_pending == 0 || p->rx_pending > MAX_RX_RING_SIZE ||
p->tx_pending == 0 || p->tx_pending > MAX_TX_RING_SIZE)
p->tx_pending < MAX_SKB_FRAGS+1 || p->tx_pending > MAX_TX_RING_SIZE)
return -EINVAL;
skge->rx_ring.count = p->rx_pending;