svn commit: r325590 - head/sys/dev/ena

Marcin Wojtas mw at FreeBSD.org
Thu Nov 9 13:33:03 UTC 2017


Author: mw
Date: Thu Nov  9 13:33:02 2017
New Revision: 325590
URL: https://svnweb.freebsd.org/changeset/base/325590

Log:
  Fix calculating io queues number in ENA driver
  
  The maximum number of io_cq was the same number as maximum io_sq
  indicated by the device working in normal mode (without LLQ).
  It is not always true, especially when LLQ is being enabled.
  Fix it.
  
  Submitted by: Michal Krawczyk <mk at semihalf.com>
  Reviewed by: byenduri_gmail.com
  Obtained from: Semihalf
  Sponsored by: Amazon, Inc.
  Differential Revision: https://reviews.freebsd.org/D12869

Modified:
  head/sys/dev/ena/ena.c

Modified: head/sys/dev/ena/ena.c
==============================================================================
--- head/sys/dev/ena/ena.c	Thu Nov  9 13:30:39 2017	(r325589)
+++ head/sys/dev/ena/ena.c	Thu Nov  9 13:33:02 2017	(r325590)
@@ -3006,7 +3006,7 @@ ena_calc_io_queue_num(struct ena_adapter *adapter,
 	int io_sq_num, io_cq_num, io_queue_num;
 
 	io_sq_num = get_feat_ctx->max_queues.max_sq_num;
-	io_cq_num = get_feat_ctx->max_queues.max_sq_num;
+	io_cq_num = get_feat_ctx->max_queues.max_cq_num;
 
 	io_queue_num = min_t(int, mp_ncpus, ENA_MAX_NUM_IO_QUEUES);
 	io_queue_num = min_t(int, io_queue_num, io_sq_num);


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