test: dmafwd: add CI integration

Add test script and build files to setup a test run of `odp_dmafwd`
with a few different scenarios during `make check`.

Signed-off-by: Tuomas Taipale <tuomas.taipale@nokia.com>

platform/linux-generic/m4/configure.m4

@@ -71,5 +71,7 @@ AC_CONFIG_FILES([platform/linux-generic/Makefile
 		 platform/linux-generic/test/example/switch/Makefile
 		 platform/linux-generic/test/validation/api/shmem/Makefile
 		 platform/linux-generic/test/validation/api/pktio/Makefile
+		 platform/linux-generic/test/performance/Makefile
+		 platform/linux-generic/test/performance/dmafwd/Makefile
 		 platform/linux-generic/test/pktio_ipc/Makefile])
 ])

platform/linux-generic/test/Makefile.am

@@ -15,10 +15,11 @@ TESTS += validation/api/pktio/pktio_run.sh \
 	 validation/api/pktio/pktio_run_tap.sh \
 	 validation/api/shmem/shmem_linux$(EXEEXT)
 
-SUBDIRS += validation/api/pktio\
-	  validation/api/shmem\
-	  pktio_ipc \
-	  example
+SUBDIRS += validation/api/pktio \
+	   validation/api/shmem \
+	   pktio_ipc \
+	   example \
+	   performance
 
 if ODP_PKTIO_PCAP
 TESTS += validation/api/pktio/pktio_run_pcap.sh
@@ -31,7 +32,8 @@ SUBDIRS += pktio_ipc
 else
 #performance tests refer to pktio_env
 if test_perf
-SUBDIRS += validation/api/pktio
+SUBDIRS += validation/api/pktio \
+	   performance
 endif
 endif
 

platform/linux-generic/test/performance/Makefile.am

@@ -0,0 +1 @@
+SUBDIRS = dmafwd

platform/linux-generic/test/performance/dmafwd/Makefile.am

@@ -0,0 +1,18 @@
+EXTRA_DIST = pktio_env
+
+all-local:
+	if [ "x$(srcdir)" != "x$(builddir)" ]; then \
+		for f in $(EXTRA_DIST); do \
+			if [ -e $(srcdir)/$$f ]; then \
+				mkdir -p $(builddir)/$$(dirname $$f); \
+				cp -f $(srcdir)/$$f $(builddir)/$$f; \
+			fi \
+		done \
+	fi
+
+clean-local:
+	if [ "x$(srcdir)" != "x$(builddir)" ]; then \
+		for f in $(EXTRA_DIST); do \
+			rm -f $(builddir)/$$f; \
+		done \
+	fi

platform/linux-generic/test/performance/dmafwd/pktio_env

@@ -0,0 +1,46 @@
+#!/bin/sh
+#
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright (c) 2023 Nokia
+
+PCAP_IN=`find . ${TEST_DIR} $(dirname $0) -name udp64.pcap -print -quit`
+PCAP_OUT=dmafwd_out.pcap
+
+IF0=pcap:in=${PCAP_IN}:out=${PCAP_OUT}
+
+if [ "$0" = "$BASH_SOURCE" ]; then
+	echo "ERROR: Platform specific env file has to be sourced."
+fi
+
+validate_result()
+{
+	local VALIN=valin
+	local VALOUT=valout
+
+	tcpdump -r ${PCAP_IN} -t -x > ${VALIN}
+	tcpdump -r ${PCAP_OUT} -t -x > ${VALOUT}
+	diff ${VALIN} ${VALOUT}
+
+	local RET=$?
+
+	rm -f ${PCAP_OUT}
+	rm -f ${VALIN}
+	rm -f ${VALOUT}
+
+	if [ $RET -ne 0 ]; then
+		echo "ERROR: input and output captures do not match, exiting"
+		exit 1
+	fi
+
+	return 0
+}
+
+setup_interfaces()
+{
+	return 0
+}
+
+cleanup_interfaces()
+{
+	return 0
+}

test/performance/Makefile.am

@@ -47,7 +47,8 @@ TESTSCRIPTS = odp_cpu_bench_run.sh \
 	      odp_timer_perf_run.sh
 
 if ODP_PKTIO_PCAP
-TESTSCRIPTS += odp_pktio_ordered_run.sh
+TESTSCRIPTS += odp_dmafwd_run.sh \
+	       odp_pktio_ordered_run.sh
 endif
 
 TEST_EXTENSIONS = .sh

test/performance/odp_dmafwd_run.sh

@@ -0,0 +1,68 @@
+#!/bin/bash
+#
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright (c) 2023 Nokia
+
+TEST_DIR="${TEST_DIR:-$PWD}"
+TEST_SRC_DIR=$(dirname $0)
+PERF_TEST_DIR=platform/${ODP_PLATFORM}/test/performance
+PERF_TEST_DIR=${TEST_SRC_DIR}/../../${PERF_TEST_DIR}
+
+BIN_NAME=odp_dmafwd
+BATCH=10
+TIME=2
+TESTS_RUN=0
+
+check_env()
+{
+	if [ -f "./pktio_env" ]; then
+		. ./pktio_env
+	elif  [ "${ODP_PLATFORM}" = "" ]; then
+		echo "$0: ERROR: ODP_PLATFORM must be defined"
+		exit 1
+	elif [ -f ${PERF_TEST_DIR}/dmafwd/pktio_env ]; then
+		. ${PERF_TEST_DIR}/dmafwd/pktio_env
+	else
+		echo "ERROR: unable to find pktio_env"
+		echo "pktio_env has to be in current directory or in platform/\$ODP_PLATFORM/test/"
+		echo "ODP_PLATFORM=\"${ODP_PLATFORM}\""
+		exit 1
+	fi
+}
+
+check_result()
+{
+	if [ $1 -eq 0 ]; then
+		TESTS_RUN=`expr $TESTS_RUN + 1`
+	elif [ $1 -eq 1 ]; then
+		echo "Test FAILED, exiting"
+		exit 1
+	else
+		echo "Test SKIPPED"
+		return 0
+	fi
+
+	validate_result
+}
+
+check_exit()
+{
+	if [ $TESTS_RUN -eq 0 ]; then
+		exit 77
+	fi
+
+	exit 0
+}
+
+check_env
+setup_interfaces
+echo "${BIN_NAME}: SW copy"
+echo "==================="
+./${BIN_NAME}${EXEEXT} -i ${IF0} -b ${BATCH} -T ${TIME} -t 0
+check_result $?
+echo "${BIN_NAME}: DMA copy"
+echo "===================="
+./${BIN_NAME}${EXEEXT} -i ${IF0} -b ${BATCH} -T ${TIME} -t 1
+check_result $?
+cleanup_interfaces
+check_exit