# Load config options:
# - DPDK_CHECKPATCH_PATH
+# - DPDK_CHECKPATCH_CODESPELL
# - DPDK_CHECKPATCH_LINE_LENGTH
-. $(dirname $(readlink -e $0))/load-devel-config
+# - DPDK_CHECKPATCH_OPTIONS
+. $(dirname $(readlink -f $0))/load-devel-config
-VALIDATE_NEW_API=$(dirname $(readlink -e $0))/check-symbol-change.sh
+VALIDATE_NEW_API=$(dirname $(readlink -f $0))/check-symbol-change.sh
+# Enable codespell by default. This can be overwritten from a config file.
+# Codespell can also be enabled by setting DPDK_CHECKPATCH_CODESPELL to a valid path
+# to a dictionary.txt file if dictionary.txt is not in the default location.
+codespell=${DPDK_CHECKPATCH_CODESPELL:-enable}
length=${DPDK_CHECKPATCH_LINE_LENGTH:-80}
# override default Linux options
options="--no-tree"
+if [ "$codespell" = "enable" ] ; then
+ options="$options --codespell"
+elif [ -f "$codespell" ] ; then
+ options="$options --codespell"
+ options="$options --codespellfile $codespell"
+fi
options="$options --max-line-length=$length"
options="$options --show-types"
-options="$options --ignore=LINUX_VERSION_CODE,\
+options="$options --ignore=LINUX_VERSION_CODE,ENOSYS,\
FILE_PATH_CHANGES,MAINTAINERS_STYLE,SPDX_LICENSE_TAG,\
VOLATILE,PREFER_PACKED,PREFER_ALIGNED,PREFER_PRINTF,\
-PREFER_KERNEL_TYPES,BIT_MACRO,CONST_STRUCT,\
-SPLIT_STRING,LONG_LINE_STRING,\
+PREFER_KERNEL_TYPES,PREFER_FALLTHROUGH,BIT_MACRO,CONST_STRUCT,\
+SPLIT_STRING,LONG_LINE_STRING,C99_COMMENT_TOLERANCE,\
LINE_SPACING,PARENTHESIS_ALIGNMENT,NETWORKING_BLOCK_COMMENT_STYLE,\
NEW_TYPEDEFS,COMPARISON_TO_NULL"
-
-clean_tmp_files() {
- if echo $tmpinput | grep -q '^checkpatches\.' ; then
- rm -f $tmpinput
- fi
-}
-
-trap "clean_tmp_files" SIGINT
+options="$options $DPDK_CHECKPATCH_OPTIONS"
print_usage () {
cat <<- END_OF_HELP
- usage: $(basename $0) [-q] [-v] [-nX|patch1 [patch2] ...]]
+ usage: $(basename $0) [-h] [-q] [-v] [-nX|-r range|patch1 [patch2] ...]
Run Linux kernel checkpatch.pl with DPDK options.
The environment variable DPDK_CHECKPATCH_PATH must be set.
The patches to check can be from stdin, files specified on the command line,
- or latest git commits limited with -n option (default limit: origin/master).
+ latest git commits limited with -n option, or commits in the git range
+ specified with -r option (default: "origin/main..").
END_OF_HELP
}
+check_forbidden_additions() { # <patch>
+ res=0
+
+ # refrain from new additions of rte_panic() and rte_exit()
+ # multiple folders and expressions are separated by spaces
+ awk -v FOLDERS="lib drivers" \
+ -v EXPRESSIONS="rte_panic\\\( rte_exit\\\(" \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Using rte_panic/rte_exit' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ # refrain from using compiler attribute without defining a common macro
+ awk -v FOLDERS="lib drivers app examples" \
+ -v EXPRESSIONS="__attribute__" \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Using compiler attribute directly' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ # check %l or %ll format specifier
+ awk -v FOLDERS='lib drivers app examples' \
+ -v EXPRESSIONS='%ll*[xud]' \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Using %l format, prefer %PRI*64 if type is [u]int64_t' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ # forbid variable declaration inside "for" loop
+ awk -v FOLDERS='.' \
+ -v EXPRESSIONS='for[[:space:]]*\\((char|u?int|unsigned|s?size_t)' \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Declaring a variable inside for()' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ # refrain from new additions of 16/32/64 bits rte_atomicNN_xxx()
+ awk -v FOLDERS="lib drivers app examples" \
+ -v EXPRESSIONS="rte_atomic[0-9][0-9]_.*\\\(" \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Using rte_atomicNN_xxx' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ # refrain from new additions of rte_smp_[r/w]mb()
+ awk -v FOLDERS="lib drivers app examples" \
+ -v EXPRESSIONS="rte_smp_(r|w)?mb\\\(" \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Using rte_smp_[r/w]mb' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ # refrain from using compiler __sync_xxx builtins
+ awk -v FOLDERS="lib drivers app examples" \
+ -v EXPRESSIONS="__sync_.*\\\(" \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Using __sync_xxx builtins' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ # refrain from using compiler __atomic_thread_fence()
+ # It should be avoided on x86 for SMP case.
+ awk -v FOLDERS="lib drivers app examples" \
+ -v EXPRESSIONS="__atomic_thread_fence\\\(" \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Using __atomic_thread_fence' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ # forbid use of experimental build flag except in examples
+ awk -v FOLDERS='lib drivers app' \
+ -v EXPRESSIONS='-DALLOW_EXPERIMENTAL_API allow_experimental_apis' \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Using experimental build flag for in-tree compilation' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ # refrain from using RTE_LOG_REGISTER for drivers and libs
+ awk -v FOLDERS='lib drivers' \
+ -v EXPRESSIONS='\\<RTE_LOG_REGISTER\\>' \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Using RTE_LOG_REGISTER, prefer RTE_LOG_REGISTER_(DEFAULT|SUFFIX)' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ # SVG must be included with wildcard extension to allow conversion
+ awk -v FOLDERS='doc' \
+ -v EXPRESSIONS='::[[:space:]]*[^[:space:]]*\\.svg' \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Using explicit .svg extension instead of .*' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ # links must prefer https over http
+ awk -v FOLDERS='doc' \
+ -v EXPRESSIONS='http://.*dpdk.org' \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Using non https link to dpdk.org' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ return $res
+}
+
+check_experimental_tags() { # <patch>
+ res=0
+
+ cat "$1" |awk '
+ BEGIN {
+ current_file = "";
+ ret = 0;
+ }
+ /^+++ b\// {
+ current_file = $2;
+ }
+ /^+.*__rte_experimental/ {
+ if (current_file ~ ".c$" ) {
+ print "Please only put __rte_experimental tags in " \
+ "headers ("current_file")";
+ ret = 1;
+ }
+ if ($1 != "+__rte_experimental" || $2 != "") {
+ print "__rte_experimental must appear alone on the line" \
+ " immediately preceding the return type of a function."
+ ret = 1;
+ }
+ }
+ END {
+ exit ret;
+ }' || res=1
+
+ return $res
+}
+
+check_internal_tags() { # <patch>
+ res=0
+
+ cat "$1" |awk '
+ BEGIN {
+ current_file = "";
+ ret = 0;
+ }
+ /^+++ b\// {
+ current_file = $2;
+ }
+ /^+.*__rte_internal/ {
+ if (current_file ~ ".c$" ) {
+ print "Please only put __rte_internal tags in " \
+ "headers ("current_file")";
+ ret = 1;
+ }
+ if ($1 != "+__rte_internal" || $2 != "") {
+ print "__rte_internal must appear alone on the line" \
+ " immediately preceding the return type of" \
+ " a function."
+ ret = 1;
+ }
+ }
+ END {
+ exit ret;
+ }' || res=1
+
+ return $res
+}
+
+check_release_notes() { # <patch>
+ rel_notes_prefix=doc/guides/rel_notes/release_
+ IFS=. read year month release < VERSION
+ current_rel_notes=${rel_notes_prefix}${year}_${month}.rst
+
+ ! grep -e '^--- a/'$rel_notes_prefix -e '^+++ b/'$rel_notes_prefix "$1" |
+ grep -v $current_rel_notes
+}
+
number=0
+range='origin/main..'
quiet=false
verbose=false
-while getopts hn:qv ARG ; do
+while getopts hn:qr:v ARG ; do
case $ARG in
n ) number=$OPTARG ;;
q ) quiet=true ;;
+ r ) range=$OPTARG ;;
v ) verbose=true ;;
h ) print_usage ; exit 0 ;;
? ) print_usage ; exit 1 ;;
exit 1
fi
+print_headline() { # <title>
+ printf '\n### %s\n\n' "$1"
+ headline_printed=true
+}
+
total=0
status=0
check () { # <patch> <commit> <title>
local ret=0
+ headline_printed=false
total=$(($total + 1))
- ! $verbose || printf '\n### %s\n\n' "$3"
+ ! $verbose || print_headline "$3"
if [ -n "$1" ] ; then
tmpinput=$1
- elif [ -n "$2" ] ; then
- tmpinput=$(mktemp checkpatches.XXXXXX)
- git format-patch --find-renames \
- --no-stat --stdout -1 $commit > $tmpinput
else
- tmpinput=$(mktemp checkpatches.XXXXXX)
- cat > $tmpinput
+ tmpinput=$(mktemp -t dpdk.checkpatches.XXXXXX)
+ trap "rm -f '$tmpinput'" INT
+
+ if [ -n "$2" ] ; then
+ git format-patch --find-renames \
+ --no-stat --stdout -1 $commit > "$tmpinput"
+ else
+ cat > "$tmpinput"
+ fi
fi
- report=$($DPDK_CHECKPATCH_PATH $options $tmpinput 2>/dev/null)
+ ! $verbose || printf 'Running checkpatch.pl:\n'
+ report=$($DPDK_CHECKPATCH_PATH $options "$tmpinput" 2>/dev/null)
if [ $? -ne 0 ] ; then
- $verbose || printf '\n### %s\n\n' "$3"
+ $headline_printed || print_headline "$3"
printf '%s\n' "$report" | sed -n '1,/^total:.*lines checked$/p'
ret=1
fi
! $verbose || printf '\nChecking API additions/removals:\n'
report=$($VALIDATE_NEW_API "$tmpinput")
if [ $? -ne 0 ] ; then
+ $headline_printed || print_headline "$3"
+ printf '%s\n' "$report"
+ ret=1
+ fi
+
+ ! $verbose || printf '\nChecking forbidden tokens additions:\n'
+ report=$(check_forbidden_additions "$tmpinput")
+ if [ $? -ne 0 ] ; then
+ $headline_printed || print_headline "$3"
+ printf '%s\n' "$report"
+ ret=1
+ fi
+
+ ! $verbose || printf '\nChecking __rte_experimental tags:\n'
+ report=$(check_experimental_tags "$tmpinput")
+ if [ $? -ne 0 ] ; then
+ $headline_printed || print_headline "$3"
+ printf '%s\n' "$report"
+ ret=1
+ fi
+
+ ! $verbose || printf '\nChecking __rte_internal tags:\n'
+ report=$(check_internal_tags "$tmpinput")
+ if [ $? -ne 0 ] ; then
+ $headline_printed || print_headline "$3"
printf '%s\n' "$report"
ret=1
fi
- clean_tmp_files
+ ! $verbose || printf '\nChecking release notes updates:\n'
+ report=$(check_release_notes "$tmpinput")
+ if [ $? -ne 0 ] ; then
+ $headline_printed || print_headline "$3"
+ printf '%s\n' "$report"
+ ret=1
+ fi
+
+ if [ "$tmpinput" != "$1" ]; then
+ rm -f "$tmpinput"
+ trap - INT
+ fi
[ $ret -eq 0 ] && return 0
status=$(($status + 1))
check '' '' "$subject"
else
if [ $number -eq 0 ] ; then
- commits=$(git rev-list --reverse origin/master..)
+ commits=$(git rev-list --reverse $range)
else
commits=$(git rev-list --reverse --max-count=$number HEAD)
fi