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#! /bin/sh -e
# SPDX-License-Identifier: BSD-3-Clause
# Copyright 2021 Mellanox Technologies, Ltd
# Parse rte_flow support of a driver directory,
# and optionally show difference with a doc file in .ini format.
dir=$1 # drivers/net/foo
ref=$2 # doc/guides/nics/features/foo.ini
if [ -z "$dir" ]; then
echo "directory argument is required" >&2
exit 1
fi
# test git-grep for -o (--only-matching) option
if ! git grep -qo git -- $0 >/dev/null 2>&1; then
echo "git version >= 2.19 is required" >&2
exit 1
fi
# sorting order
export LC_COLLATE=C
# exclude exceptions
exclude() # <pattern>
{
case $(basename $dir) in
bnxt)
filter=$(sed -n "/$1/{N;/TYPE_NOT_SUPPORTED/P;}" \
$dir/tf_ulp/ulp_rte_handler_tbl.c |
grep -wo "$1[[:alnum:]_]*" | sort -u |
tr '\n' '|' | sed 's,.$,\n,')
exceptions='RTE_FLOW_ACTION_TYPE_SHARED'
grep -vE "$filter" | grep -vE $exceptions;;
dpaa2)
filter=$(sed -n "/$1/{N;/Skip this/P;}" \
$dir/dpaa2_flow.c |
grep -wo "$1[[:alnum:]_]*" | sort -u |
tr '\n' '|' | sed 's,.$,\n,')
[ "$1" = 'RTE_FLOW_ITEM_TYPE_' -a -z "$filter" ] && cat ||
grep -vE "$filter";;
*) cat
esac
}
# include exceptions
include() # <pattern>
{
case $(basename $dir) in
esac
}
# generate INI section
list() # <title> <pattern>
{
echo "[$1]"
git grep -who "$2[[:alnum:]_]*" $dir |
(exclude $2; include $2) | sort -u |
awk 'sub(/'$2'/, "") {printf "%-20s = Y\n", tolower($0)}'
}
rte_flow_support() # <category>
{
title="rte_flow $1s"
pattern=$(echo "RTE_FLOW_$1_TYPE_" | awk '{print toupper($0)}')
list "$title" "$pattern" | grep -vwE 'void|indirect|end'
}
if [ -z "$ref" ]; then # generate full tables
rte_flow_support item
echo
rte_flow_support action
exit 0
fi
# compare with reference input
rte_flow_compare() # <category>
{
section="rte_flow $1s]"
{
rte_flow_support $1
sed -n "/$section/,/]/p" "$ref" | sed '/^$/d'
} |
sed '/]/d' | # ignore section title
sed 's, *=.*,,' | # ignore value (better in doc than generated one)
sort | uniq -u | # show differences
sed "s,^,$1 ," # prefix with category name
}
rte_flow_compare item
rte_flow_compare action
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