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