Author: zbb
Date: Thu Feb 25 14:28:10 2016
New Revision: 296038
URL: https://svnweb.freebsd.org/changeset/base/296038

Log:
  Enable CQ count threshold interrupt on VNIC Pass2.0
  
  On Pass2.0 can trigger interrupt on both timer and CQ count.
  
  Reviewed by:   wma
  Obtained from: Semihalf
  Sponsored by:  Cavium
  Differential Revision: https://reviews.freebsd.org/D5423

Modified:
  head/sys/dev/vnic/nicvf_queues.c
  head/sys/dev/vnic/nicvf_queues.h

Modified: head/sys/dev/vnic/nicvf_queues.c
==============================================================================
--- head/sys/dev/vnic/nicvf_queues.c    Thu Feb 25 14:26:13 2016        
(r296037)
+++ head/sys/dev/vnic/nicvf_queues.c    Thu Feb 25 14:28:10 2016        
(r296038)
@@ -940,7 +940,7 @@ nicvf_init_cmp_queue(struct nicvf *nic, 
        }
 
        cq->desc = cq->dmem.base;
-       cq->thresh = CMP_QUEUE_CQE_THRESH;
+       cq->thresh = pass1_silicon(nic->dev) ? 0 : CMP_QUEUE_CQE_THRESH;
        cq->nic = nic;
        cq->idx = qidx;
        nic->cq_coalesce_usecs = (CMP_QUEUE_TIMER_THRESH * 0.05) - 1;

Modified: head/sys/dev/vnic/nicvf_queues.h
==============================================================================
--- head/sys/dev/vnic/nicvf_queues.h    Thu Feb 25 14:26:13 2016        
(r296037)
+++ head/sys/dev/vnic/nicvf_queues.h    Thu Feb 25 14:28:10 2016        
(r296038)
@@ -96,7 +96,7 @@
  */
 #define        CMP_QSIZE               CMP_QUEUE_SIZE2
 #define        CMP_QUEUE_LEN           (1UL << (CMP_QSIZE + 10))
-#define        CMP_QUEUE_CQE_THRESH    0
+#define        CMP_QUEUE_CQE_THRESH    32
 #define        CMP_QUEUE_TIMER_THRESH  220 /* 10usec */
 
 #define        RBDR_SIZE               RBDR_SIZE0
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