iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

be2net: Prevent CQ full condition for Lancer

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/ethernet/emulex/benet/be_main.c
View File

@ -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;
}