From: "Michael Chan" <mchan@broadcom.com>
To: "David S. Miller" <davem@davemloft.net>
Cc: "Arthur Kepner" <akepner@sgi.com>, netdev@oss.sgi.com
Subject: [PATCH 2.6.12-rc2 2/3] tg3: Refresh hw index in tg3_rx()
Date: Mon, 25 Apr 2005 14:09:11 -0700 [thread overview]
Message-ID: <1114463351.4917.39.camel@rh4> (raw)
In-Reply-To: <1114463061.4917.34.camel@rh4>
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>
diff -Nru c/drivers/net/tg3.c d/drivers/net/tg3.c
--- c/drivers/net/tg3.c 2005-04-25 12:32:44.000000000 -0700
+++ d/drivers/net/tg3.c 2005-04-25 12:39:46.000000000 -0700
@@ -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. */
next parent reply other threads:[~2005-04-25 21:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1114463061.4917.34.camel@rh4>
2005-04-25 21:09 ` Michael Chan [this message]
[not found] ` <1114464194.4917.52.camel@rh4>
[not found] ` <20050425151816.1910b2ba.davem@davemloft.net>
2005-04-25 21:56 ` [PATCH 2.6.12-rc2 3/3] tg3: Fix tg3_restart_ints() Michael Chan
[not found] ` <20050425162416.2b4edd43.davem@davemloft.net>
[not found] ` <1114470490.4917.85.camel@rh4>
2005-05-05 23:05 ` David S. Miller
2005-05-05 22:51 ` Michael Chan
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