From owner-svn-src-all@FreeBSD.ORG  Sat Mar 19 14:38:29 2011
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 4B7031065676;
	Sat, 19 Mar 2011 14:38:29 +0000 (UTC)
	(envelope-from adrian@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id 3F3648FC1C;
	Sat, 19 Mar 2011 14:38:29 +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 p2JEcTdF025887;
	Sat, 19 Mar 2011 14:38:29 GMT (envelope-from adrian@svn.freebsd.org)
Received: (from adrian@localhost)
	by svn.freebsd.org (8.14.3/8.14.3/Submit) id p2JEcTbb025885;
	Sat, 19 Mar 2011 14:38:29 GMT (envelope-from adrian@svn.freebsd.org)
Message-Id: <201103191438.p2JEcTbb025885@svn.freebsd.org>
From: Adrian Chadd <adrian@FreeBSD.org>
Date: Sat, 19 Mar 2011 14:38:29 +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: r219773 - head/sys/dev/ath/ath_hal
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: Sat, 19 Mar 2011 14:38:29 -0000

Author: adrian
Date: Sat Mar 19 14:38:28 2011
New Revision: 219773
URL: http://svn.freebsd.org/changeset/base/219773

Log:
  Add in the channel survey data structures. These will be filled out
  by the HAL at some point in the future.

Modified:
  head/sys/dev/ath/ath_hal/ah.h

Modified: head/sys/dev/ath/ath_hal/ah.h
==============================================================================
--- head/sys/dev/ath/ath_hal/ah.h	Sat Mar 19 14:37:13 2011	(r219772)
+++ head/sys/dev/ath/ath_hal/ah.h	Sat Mar 19 14:38:28 2011	(r219773)
@@ -596,6 +596,33 @@ struct ath_rx_status;
 struct ieee80211_channel;
 
 /*
+ * This is a channel survey sample entry.
+ *
+ * The AR5212 ANI routines fill these samples. The ANI code then uses it
+ * when calculating listen time; it is also exported via a diagnostic
+ * API.
+ */
+typedef struct {
+	uint32_t        seq_num;
+	uint32_t        tx_busy;
+	uint32_t        rx_busy;
+	uint32_t        chan_busy;
+	uint32_t        cycle_count;
+} HAL_SURVEY_SAMPLE;
+
+/*
+ * This provides 3.2 seconds of sample space given an
+ * ANI time of 1/10th of a second. This may not be enough!
+ */
+#define	CHANNEL_SURVEY_SAMPLE_COUNT	32
+
+typedef struct {
+	HAL_SURVEY_SAMPLE samples[CHANNEL_SURVEY_SAMPLE_COUNT];
+	uint32_t cur_sample;	/* current sample in sequence */
+	uint32_t cur_seq;	/* current sequence number */
+} HAL_CHANNEL_SURVEY;
+
+/*
  * Hardware Access Layer (HAL) API.
  *
  * Clients of the HAL call ath_hal_attach to obtain a reference to an