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authorPadmanabh Ratnakar <padmanabh.ratnakar@emulex.com>2011-11-02 21:49:55 -0400
committerDavid S. Miller <davem@davemloft.net>2011-11-03 21:59:40 -0400
commit9372cacb300df3ee0a8be8a25bea15d16a95c583 (patch)
tree3e9f4e7dc2ca6df4560b2cf9f51edcda44742e5f /drivers/net/ethernet
parent1610c79f1e9545d0a64dc6bb4f9affdfcf1d5726 (diff)
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')
-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:
1905 be_rx_stats_update(rxo, rxcp); 1905 be_rx_stats_update(rxo, rxcp);
1906 } 1906 }
1907 1907
1908 be_cq_notify(adapter, rx_cq->id, false, work_done);
1909
1908 /* Refill the queue */ 1910 /* Refill the queue */
1909 if (work_done && atomic_read(&rxo->q.used) < RX_FRAGS_REFILL_WM) 1911 if (work_done && atomic_read(&rxo->q.used) < RX_FRAGS_REFILL_WM)
1910 be_post_rx_frags(rxo, GFP_ATOMIC); 1912 be_post_rx_frags(rxo, GFP_ATOMIC);
@@ -1912,10 +1914,8 @@ loop_continue:
1912 /* All consumed */ 1914 /* All consumed */
1913 if (work_done < budget) { 1915 if (work_done < budget) {
1914 napi_complete(napi); 1916 napi_complete(napi);
1915 be_cq_notify(adapter, rx_cq->id, true, work_done); 1917 /* Arm CQ */
1916 } else { 1918 be_cq_notify(adapter, rx_cq->id, true, 0);
1917 /* More to be consumed; continue with interrupts disabled */
1918 be_cq_notify(adapter, rx_cq->id, false, work_done);
1919 } 1919 }
1920 return work_done; 1920 return work_done;
1921} 1921}