[src/trunk]: src/sys/dev/ic The CRC bit in the Transmit Configuration Registe...

[dyoung <dyoung%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/3e30d85077bc
branches:  trunk
changeset: 572133:3e30d85077bc
user:      dyoung <dyoung%NetBSD.org@localhost>
date:      Tue Dec 21 09:07:23 2004 +0000

description:
The CRC bit in the Transmit Configuration Register seems to have
the meaning opposite to what I thought I read in the datasheet.

diffstat:

 sys/dev/ic/rtwreg.h |  11 +++++++++--
 1 files changed, 9 insertions(+), 2 deletions(-)

diffs (25 lines):

diff -r 3f4f367eacf8 -r 3e30d85077bc sys/dev/ic/rtwreg.h
--- a/sys/dev/ic/rtwreg.h       Tue Dec 21 09:00:01 2004 +0000
+++ b/sys/dev/ic/rtwreg.h       Tue Dec 21 09:07:23 2004 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rtwreg.h,v 1.3 2004/12/20 23:05:41 dyoung Exp $        */
+/*     $NetBSD: rtwreg.h,v 1.4 2004/12/21 09:07:23 dyoung Exp $        */
 
 /*
  * Copyright (c) 2003 The NetBSD Foundation, Inc.  All rights reserved.
@@ -239,7 +239,14 @@
 #define RTW_TCR_LBK_BBP                LSHIFT(2, RTW_TCR_LBK_MASK) /* baseband loop. */
 #define RTW_TCR_LBK_CONT       LSHIFT(3, RTW_TCR_LBK_MASK) /* continuous Tx */
 
-#define RTW_TCR_CRC    BIT(16)         /* host lets RTL8180 append CRC32 */
+#define RTW_TCR_CRC    BIT(16)         /* 0: RTL8180 appends CRC32
+                                        * 1: host appends CRC32
+                                        *
+                                        * (I *think* this is right.
+                                        *  The docs have a mysterious
+                                        *  description in the
+                                        *  passive voice.)
+                                        */
 #define RTW_TCR_SRL_MASK       BITS(15,8)      /* Short Retry Limit */
 #define RTW_TCR_LRL_MASK       BITS(7,0)       /* Long Retry Limit */