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authorPadmanabh Ratnakar <padmanabh.ratnakar@emulex.com>2011-11-03 01:49:55 +0000
committerDavid S. Miller <davem@davemloft.net>2011-11-03 21:59:40 -0400
commit9372cacb300df3ee0a8be8a25bea15d16a95c583 (patch)
tree3e9f4e7dc2ca6df4560b2cf9f51edcda44742e5f /drivers/net/ethernet/emulex
parent1610c79f1e9545d0a64dc6bb4f9affdfcf1d5726 (diff)
downloadblackbird-op-linux-9372cacb300df3ee0a8be8a25bea15d16a95c583.tar.gz
blackbird-op-linux-9372cacb300df3ee0a8be8a25bea15d16a95c583.zip
be2net: Prevent CQ full condition for Lancer
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>
Diffstat (limited to 'drivers/net/ethernet/emulex')
-rw-r--r--drivers/net/ethernet/emulex/benet/be_main.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 21804972fa2f..30606f5ec0d0 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -1905,6 +1905,8 @@ loop_continue:
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 @@ loop_continue:
/* 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;
}
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