From owner-svn-src-all@FreeBSD.ORG  Wed Jan 20 07:28:15 2010
Return-Path: <owner-svn-src-all@FreeBSD.ORG>
Delivered-To: svn-src-all@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 2550D1065740;
	Wed, 20 Jan 2010 07:28:15 +0000 (UTC) (envelope-from np@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id 146748FC19;
	Wed, 20 Jan 2010 07:28:15 +0000 (UTC)
Received: from svn.freebsd.org (localhost [127.0.0.1])
	by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id o0K7SEFs045349;
	Wed, 20 Jan 2010 07:28:14 GMT (envelope-from np@svn.freebsd.org)
Received: (from np@localhost)
	by svn.freebsd.org (8.14.3/8.14.3/Submit) id o0K7SE4S045347;
	Wed, 20 Jan 2010 07:28:14 GMT (envelope-from np@svn.freebsd.org)
Message-Id: <201001200728.o0K7SE4S045347@svn.freebsd.org>
From: Navdeep Parhar <np@FreeBSD.org>
Date: Wed, 20 Jan 2010 07:28:14 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
	svn-src-head@freebsd.org
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r202678 - head/sys/dev/cxgb
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: "SVN commit messages for the entire src tree \(except for &quot;
	user&quot; and &quot; projects&quot; \)" <svn-src-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
	<mailto:svn-src-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all>
List-Post: <mailto:svn-src-all@freebsd.org>
List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
	<mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 20 Jan 2010 07:28:15 -0000

Author: np
Date: Wed Jan 20 07:28:14 2010
New Revision: 202678
URL: http://svn.freebsd.org/changeset/base/202678

Log:
  Complain if freelist queue sizes are significantly less than desired.
  
  MFC after:	1 day

Modified:
  head/sys/dev/cxgb/cxgb_sge.c

Modified: head/sys/dev/cxgb/cxgb_sge.c
==============================================================================
--- head/sys/dev/cxgb/cxgb_sge.c	Wed Jan 20 07:27:56 2010	(r202677)
+++ head/sys/dev/cxgb/cxgb_sge.c	Wed Jan 20 07:28:14 2010	(r202678)
@@ -541,8 +541,12 @@ t3_sge_prep(adapter_t *adap, struct sge_
 	jumbo_q_size = min(nmbjumbo4/(3*nqsets), JUMBO_Q_SIZE);
 #endif
 	while (!powerof2(jumbo_q_size))
-		jumbo_q_size--;		
-	
+		jumbo_q_size--;
+
+	if (fl_q_size < (FL_Q_SIZE / 4) || jumbo_q_size < (JUMBO_Q_SIZE / 2))
+		device_printf(adap->dev,
+		    "Insufficient clusters and/or jumbo buffers.\n");
+
 	/* XXX Does ETHER_ALIGN need to be accounted for here? */
 	p->max_pkt_size = adap->sge.qs[0].fl[1].buf_size - sizeof(struct cpl_rx_data);