Author: marcel
Date: Mon Jun 2 18:02:10 2014
New Revision: 266975
URL: http://svnweb.freebsd.org/changeset/base/266975
Log:
Add convert_drvapi.sh; a script that helps to convert NIC drivers
to use the procedural interface.
Submitted by: Sreekanth Rupavatharam <rupav...@juniper.net>
Reviewed by: glebius@
Obtained from: Juniper Networks, Inc.
Added:
head/tools/ifnet/
head/tools/ifnet/convert_drvapi.sh (contents, props changed)
Added: head/tools/ifnet/convert_drvapi.sh
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/tools/ifnet/convert_drvapi.sh Mon Jun 2 18:02:10 2014
(r266975)
@@ -0,0 +1,255 @@
+#!/bin/sh
+#
+# Copyright (c) 2014 Juniper Networks, Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Convert a NIC driver to use the procdural API.
+# It doesn't take care of all the # cases yet,
+# but still does about 95% of work.
+#
+# Author: Sreekanth Rupavatharam
+#
+
+if [ $# -lt 1 ]
+then
+ echo " $0 <driver source (e.g., if_em.c)>";
+ exit 1;
+fi
+
+# XXX - This needs to change if the data structure uses different name
+__ifp__="ifp";
+
+file=$1
+
+rotateCursor() {
+ case $toggle
+ in
+ 1)
+ printf " \\ "
+ printf "\b\b"
+ toggle="2"
+ ;;
+
+ 2)
+ printf " | "
+ printf "\b\b\b"
+ toggle="3"
+ ;;
+
+ 3)
+ printf " / "
+ printf "\b\b\b"
+ toggle="4"
+ ;;
+
+ *)
+ printf " - "
+ printf "\b\b\b"
+ toggle="1"
+ ;;
+ esac
+}
+
+handle_set() {
+# Handle the case where $__ifp__->if_blah = XX;
+ line=$1
+ set=`echo $line| grep "$__ifp__->.* = "`
+ if [ ! -z "$set" ]
+ then
+ word=`echo $line | awk -F "if_" ' { print $2 }' | awk -F" =" '{
print $1 }'`
+ value=`echo $line | awk -F "=" '{ print $2 }' | sed -e 's/;//g'`
+ new=`echo if_set$word"\($__ifp__,"$value");"`
+ new=`echo $new | sed -e 's/&/\\\&/'`
+ old=`echo $line|sed -e 's/^[ ]*//'`
+ line=`echo $line| sed -e's/'$old'/'$new'/g'`
+ return 0
+ fi
+ return 1
+}
+
+handle_inc() {
+ line=$1
+ inc=`echo $line | grep "$__ifp__->.*++"`
+ if [ ! -z "$inc" ]
+ then
+ word=`echo $line | awk -F"if_" '{ print $2 }'|awk -F"\+" '{
print $1}'`
+ value=' 1';
+ old=`echo $line|sed -e 's/^[ ]*//'`
+ new=`echo if_inc$word"\($__ifp__,"$value");"`
+ new=`echo $new | sed -e 's/&/\\\&/'`
+ line=`echo $line| sed -e's/'$old'/'$new'/g'`
+ return 0;
+ fi
+ return 1;
+}
+
+handle_add() {
+ line=$1
+ add=`echo $line|grep "$__ifp__->.*+= "`
+ if [ ! -z "$add" ]
+ then
+ word=`echo $line | awk -F"if_" '{ print $2 }'|awk '{ print $1}'`
+ value=`echo $line | awk -F"=" '{ print $2}' | sed -e 's/;//g'`
+ new=`echo if_inc$word"\($__ifp__,$value);"`
+ new=`echo $new | sed -e 's/&/\\\&/'`
+ old=`echo $line|sed -e 's/^[ ]*//'`
+ line=`echo $line| sed -e's/'$old'/'$new'/g'`
+ return 0
+ fi
+ return 1;
+
+}
+
+handle_or() {
+ line=$1
+ or=`echo $line|grep "$__ifp__->.*|= "`
+ if [ ! -z "$or" ]
+ then
+ word=`echo $line | awk -F"if_" '{ print $2 }'|awk '{ print
$1}'`
+ value=`echo $line | awk -F"=" '{ print $2}' | sed -e 's/;//g'`
+ new=`echo if_set${word}bit"($__ifp__,$value, 0);"`
+ new=`echo $new | sed -e 's/&/\\\&/'`
+ #line=`echo $line|sed -e 's/&/\\&/'`
+ old=`echo $line|sed -e 's/^[ ]*//'`
+ line=`echo $line| sed -e's/'$old'/'$new'/g'`
+ return 0;
+ fi
+ return 1;
+
+}
+
+handle_and() {
+ line=$1
+ or=`echo $line|grep "$__ifp__->.*&= "`
+ if [ ! -z "$or" ]
+ then
+ word=`echo $line | awk -F"if_" '{ print $2 }'|awk '{ print
$1}'`
+ value=`echo $line | awk -F"=" '{ print $2}' | sed -e 's/;//g'`
+ value=`echo $value | sed -e's/~//g'`
+ new=`echo if_set${word}bit"\($__ifp__, 0,$value);"`
+ new=`echo $new | sed -e 's/&/\\\&/'`
+ old=`echo $line|sed -e 's/^[ ]*//'`
+ line=`echo $line| sed -e's/'$old'/'$new'/g'`
+ return 0;
+ fi
+ return 1;
+
+}
+
+# XXX - this needs updating
+handle_misc() {
+ line=$1
+ get=`echo $line | grep
"if_capabilities\|if_flags\|if_softc\|if_capenable\|if_mtu\|if_drv_flags"`
+ if [ ! -z "$get" ]
+ then
+ word=`echo $line |awk -F"$__ifp__->if_" '{ print $2 }' | \
+ sed -e's/[^a-zA-Z0-9_]/\@/'|awk -F"\@" '{ print $1}'`
+ old=`echo "$__ifp__->if_"${word}`
+ new=`echo "if_get"${word}"($__ifp__)"`
+ new=`echo $new | sed -e 's/&/\\\&/'`
+ line=`echo $line| sed -e's/'$old'/'$new'/g'`
+ return 0;
+ fi
+ return 1;
+
+}
+
+if [ -e $file.tmp ]
+then
+ rm $file.tmp
+fi
+IFS=
+echo -n "Conversion for $file started, please wait: "
+FAIL_PAT="XXX - DRVAPI"
+count=0
+cat $1 | while read -r line
+do
+count=`expr $count + 1`
+rotateCursor
+pat=`echo $line | grep "$__ifp__->"`
+while [ "$pat" != "" ]
+do
+ pat=`echo $line | grep "$__ifp__->"`
+ if [ ! -z `echo $pat | grep "$FAIL_PAT"` ]
+ then
+ break;
+ fi
+
+ handle_set $line
+
+ if [ $? != 0 ]
+ then
+ handle_inc $line
+ fi
+
+ if [ $? != 0 ]
+ then
+ handle_add $line
+ fi
+
+ if [ $? != 0 ]
+ then
+ handle_or $line
+ fi
+
+ if [ $? != 0 ]
+ then
+ handle_and $line
+ fi
+
+ if [ $? != 0 ]
+
+ then
+ handle_misc $line
+ fi
+
+ if [ $? != 0 ]
+ then
+ if [ ! -z `echo $line | grep "$__ifp__->"` ]
+ then
+ line=`echo $line | sed -e 's:$: \/* '${FAIL_PAT}'
*\/:g'`
+ fi
+ fi
+done
+ # Replace the ifnet * with if_t
+ if [ ! -z `echo $line | grep "struct ifnet"` ]
+ then
+ line=`echo $line | sed -e 's/struct ifnet[ \t]*\*/if_t /g'`
+ fi
+ echo "$line" >> $file.tmp
+done
+echo ""
+count=`grep $FAIL_PAT $file.tmp | wc -l`
+if [ $count -gt 0 ]
+then
+ echo "$count lines could not be converted to DRVAPI"
+ echo "Look for /* $FAIL_PAT */ in the converted file"
+fi
+echo "original $file has been moved to $file.orig"
+mv $file $file.orig
+mv $file.tmp $file
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