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[TG3]: Refresh hw index in tg3_rx()

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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>
This commit is contained in:
Michael Chan 2005-04-25 15:14:32 -07:00 committed by David S. Miller
parent 483ba50bd4
commit 52f6d697dc
1 changed files with 6 additions and 0 deletions
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6
drivers/net/tg3.c
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@ -2802,6 +2802,12 @@ static int tg3_rx(struct tg3 *tp, int budget)
next_pkt_nopost: next_pkt_nopost:
sw_idx++; sw_idx++;
sw_idx %= TG3_RX_RCB_RING_SIZE(tp); 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. */ /* ACK the status ring. */