AcoSail/kernel_optimize_test
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be2net: Prevent CQ full condition for Lancer

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Indicate to HW that the CQ is cleaned up before posting new RX buffers.
This prevents the HW to go into CQ full error condition.

Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Padmanabh Ratnakar 2011-11-03 01:49:55 +00:00 committed by David S. Miller
parent 1610c79f1e
commit 9372cacb30
1 changed files with 4 additions and 4 deletions
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8
drivers/net/ethernet/emulex/benet/be_main.c
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@ -1905,6 +1905,8 @@ static int be_poll_rx(struct napi_struct *napi, int budget)
be_rx_stats_update(rxo, rxcp);
}
be_cq_notify(adapter, rx_cq->id, false, work_done);
/* Refill the queue */
if (work_done && atomic_read(&rxo->q.used) < RX_FRAGS_REFILL_WM)
be_post_rx_frags(rxo, GFP_ATOMIC);
@ -1912,10 +1914,8 @@ static int be_poll_rx(struct napi_struct *napi, int budget)
/* All consumed */
if (work_done < budget) {
napi_complete(napi);
be_cq_notify(adapter, rx_cq->id, true, work_done);
} else {
/* More to be consumed; continue with interrupts disabled */
be_cq_notify(adapter, rx_cq->id, false, work_done);
/* Arm CQ */
be_cq_notify(adapter, rx_cq->id, true, 0);
}
return work_done;
}