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authorPadmanabh Ratnakar <padmanabh.ratnakar@emulex.com>2011-11-03 01:49:55 (GMT)
committerDavid S. Miller <davem@davemloft.net>2011-11-04 01:59:40 (GMT)
commit9372cacb300df3ee0a8be8a25bea15d16a95c583 (patch)
tree3e9f4e7dc2ca6df4560b2cf9f51edcda44742e5f
parent1610c79f1e9545d0a64dc6bb4f9affdfcf1d5726 (diff)
downloadlinux-9372cacb300df3ee0a8be8a25bea15d16a95c583.tar.xz
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>
-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 2180497..30606f5 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;
}