[TG3]: Always copy receive packets when 5701 PCIX workaround enabled.

Signed-off-by: Arthur Kepner <akepner@sgi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/tg3.c

@@ -2706,7 +2706,11 @@ static int tg3_rx(struct tg3 *tp, int budget)
 
 		len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4; /* omit crc */
 
-		if (len > RX_COPY_THRESHOLD) {
+		if (len > RX_COPY_THRESHOLD 
+			&& tp->rx_offset == 2
+			/* rx_offset != 2 iff this is a 5701 card running
+			 * in PCI-X mode [see tg3_get_invariants()] */
+		) {
 			int skb_size;
 
 			skb_size = tg3_alloc_rx_skb(tp, opaque_key,