[TG3]: Refresh hw index in tg3_rx()
This patch refreshes the hw rx producer in tg3_rx() so that additional
work posted by the hardware can be processed.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index e53c1dc..92b0e49 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -2802,6 +2802,12 @@
next_pkt_nopost:
sw_idx++;
sw_idx %= TG3_RX_RCB_RING_SIZE(tp);
+
+ /* Refresh hw_idx to see if there is new work */
+ if (sw_idx == hw_idx) {
+ hw_idx = tp->hw_status->idx[0].rx_producer;
+ rmb();
+ }
}
/* ACK the status ring. */