5 files changed, 237 insertions, 0 deletions
diff --git a/debian/tests/check-dpdk-supported-arch.sh b/debian/tests/check-dpdk-supported-arch.sh
new file mode 100644
index 00000000..3de6e467
--- /dev/null
+++ b/debian/tests/check-dpdk-supported-arch.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+
+arch=$(dpkg --print-architecture)
+case $arch in
+    amd64|arm64|i386)
+        echo "Architecture ${arch} supported, go on with test"
+        ;;
+    *)
+        echo "Architecture ${arch} not supported, SKIP test"
+        exit 0
+        ;;
+esac
diff --git a/debian/tests/control b/debian/tests/control
new file mode 100644
index 00000000..5afed744
--- /dev/null
+++ b/debian/tests/control
@@ -0,0 +1,13 @@
+Tests: test-initscripts
+Restrictions: allow-stderr, isolation-machine, needs-root
+Depends: dpdk [amd64 arm64 i386], gawk, mount, systemd, sysvinit-utils
+
+Tests: test-linkage
+Restrictions: allow-stderr
+Depends: libdpdk-dev [amd64 arm64 i386], libc6, libc6-dev, gcc,
+ grep, libpcap-dev, libxenstore3.0 [amd64 arm64 i386], pax-utils
+
+Tests: test-dkms
+Restrictions: allow-stderr, isolation-machine, needs-root
+Depends: kmod, dpdk-igb-uio-dkms [amd64 arm64 i386],
+ dpdk-rte-kni-dkms [amd64 arm64 i386]
diff --git a/debian/tests/test-dkms b/debian/tests/test-dkms
new file mode 100644
index 00000000..ab3aca00
--- /dev/null
+++ b/debian/tests/test-dkms
@@ -0,0 +1,18 @@
+#!/bin/bash
+set -eu
+
+basedir=$(dirname "$0")
+. "${basedir}"/check-dpdk-supported-arch.sh
+
+# check that the dkms build fine (on dep install), load and unload
+printf "\n\nChecking igb_uio\n"
+modinfo igb_uio
+modprobe igb_uio
+rmmod igb_uio
+echo "OK"
+
+printf "\n\nChecking igb_uio\n"
+modinfo rte_kni
+modprobe rte_kni
+rmmod rte_kni
+echo "OK"
diff --git a/debian/tests/test-initscripts b/debian/tests/test-initscripts
new file mode 100644
index 00000000..f465d6d6
--- /dev/null
+++ b/debian/tests/test-initscripts
@@ -0,0 +1,143 @@
+#!/bin/sh
+set -e
+
+basedir=$(dirname "$0")
+. "${basedir}"/check-dpdk-supported-arch.sh
+
+# Overall that could require up to 1.2G for hugepages in the test environment
+EXPECT2MHP=10
+# Some page sizes like e.g. 1G might not be available in all test environments
+# The test still configures 1 page of 1G size.
+# One of two things will happen, depending on the test environment:
+# - has 1G huge page size => they will tried to be allocated (usually env is
+#   too small, but we want to see it fail gracefully for that)
+#   We will not check for the 1G alloc, as we know it often fails in small adt's
+# - has no 1G huge page size (HW feature) => we check if it fails gracefully
+EXPECT1GHP=1
+
+DPDK_CONF="/etc/dpdk/dpdk.conf"
+DPDK_INTERF="/etc/dpdk/interfaces"
+
+checkhp() {
+    MMDIR="/sys/kernel/mm/hugepages/${1}"
+    EXPECTHP="${2}"
+    if [ -d "$MMDIR" -a -r "$MMDIR/nr_hugepages" ]; then
+        hpcount=$(cat "$MMDIR/nr_hugepages")
+        if [ "${hpcount}" -ne "${EXPECTHP}" ]; then
+            echo "Hugepages (${hpcount}) not as expected (${EXPECTHP})"
+            exit 1
+        else
+            echo "Hugepages ok (${hpcount})"
+        fi
+    fi
+}
+
+checkstatus() {
+    MARK=${1}
+    EXPMPCOUNT=${2}
+    PRE=${3}
+    POST=${4}
+    EXPECTEDSTATUS=${5}
+    echo "Status after ${MARK}"
+    echo "Status of the Service"
+    ${PRE} status "${POST}" || true
+
+    GOTSTATUS=$(${PRE} status "${POST}" | awk '/^ *Active: / { print $2 }')
+    if [ "${GOTSTATUS}" != "${EXPECTEDSTATUS}" ]; then
+        echo "Service status (${GOTSTATUS}) not as expected (${EXPECTEDSTATUS})"
+        exit 1
+    else
+        echo "Service status (${GOTSTATUS}) as expected"
+    fi
+
+    echo "Status of hugetlbfs mount points"
+    # this section is ok to create bad RCs when no mounts are available
+    set +e
+    grep hugetlbfs < /proc/mounts
+    htlbfscount=$(grep -c hugetlbfs < /proc/mounts)
+    set -e
+
+    # we have to reduce the expected mountpoint count in case some sizes are
+    # not supported by the current kernel/environment
+    if [ ${EXPMPCOUNT} -gt 0 ]; then
+        if [ ! -d /sys/kernel/mm/hugepages/hugepages-2048kB ]; then
+            EXPMPCOUNT=$((EXPMPCOUNT-1))
+        fi
+        if [ ! -d /sys/kernel/mm/hugepages/hugepages-1048576kB ]; then
+            EXPMPCOUNT=$((EXPMPCOUNT-1))
+        fi
+    fi
+
+    if [ "${htlbfscount}" -eq "${EXPMPCOUNT}" ]; then
+        echo "MP Count (${htlbfscount}) as expected (${EXPMPCOUNT})"
+    else
+        echo "MP Count (${htlbfscount}) not as expected (${EXPMPCOUNT})"
+        exit 1
+    fi
+
+    # check if setting HP worked
+    if [ "${EXPMPCOUNT}" -ne "0" ]; then
+        checkhp "hugepages-2048kB" "${EXPECT2MHP}"
+        # We do not check 1G alloc, as it is known to be often not available
+    fi
+}
+
+resetservice() {
+    # help a bit with memory fragmentation regarding huge page allocation
+    sync
+    echo 3 > /proc/sys/vm/drop_caches
+
+    # stopping and resetting Service
+    systemctl stop dpdk.service
+    systemctl reset-failed dpdk.service
+
+    echo "Unmounting all potential hugetlbfs mounts"
+    awk '/hugetlbfs/ {print $2}' /proc/mounts | while read hugetlbmount; do
+        umount -v "$hugetlbmount"
+    done
+}
+
+checkinitstyle() {
+    # We want to verify that
+    # - initially our environment has no hugetlbfs mount
+    # - a system without hugetlbfs mount gets it mounted
+    # - a restart of the service does neither drop nor duplicate the mount
+    PRE=${1}
+    POST=${2}
+    TYPE=${3}
+    printf "\n\n### Checking Type %s ###\n" "${TYPE}"
+    resetservice
+    checkstatus "${TYPE}-BEGIN" 0 "${PRE}" "${POST}" "inactive"
+    echo "### Starting Service ###"
+    ${PRE} start "${POST}"
+    checkstatus "${TYPE}-START" 2 "${PRE}" "${POST}" "active"
+    echo "### Restarting Service ###"
+    ${PRE} restart "${POST}"
+    checkstatus "${TYPE}-RESTART" 2 "${PRE}" "${POST}" "active"
+}
+
+echo "NR_2M_PAGES=$EXPECT2MHP" >> ${DPDK_CONF}
+echo "NR_1G_PAGES=$EXPECT1GHP" >> ${DPDK_CONF}
+
+# We can't rely on any real device for DPDK tests in adt-* environments. But
+# we can expect all kind of broken configuration not to break it (would be
+# detected via set -e).
+# So add all kind of known-to-be-broken definitions and expect it not to fail.
+cat <<EOF > ${DPDK_INTERF}
+# wrong bus
+pTi 0000:04:00.0 uio-pci-generic
+# not enough parms
+0000:04:00.0 uio-pci-generic
+# empty line
+
+# non existing device
+pci 1234:56:78.9 uio-pci-generic
+EOF
+
+# some had issues in the past caused by different init systems, so we test all
+# Direct Calls
+checkinitstyle "/etc/init.d/dpdk" "" "Direct"
+# System V style init
+checkinitstyle "service dpdk" "" "SysV"
+# SystemD style init
+checkinitstyle "systemctl" "dpdk.service" "SystemD"
diff --git a/debian/tests/test-linkage b/debian/tests/test-linkage
new file mode 100644
index 00000000..fabe1c84
--- /dev/null
+++ b/debian/tests/test-linkage
@@ -0,0 +1,51 @@
+#!/bin/bash
+set -eu
+
+basedir=$(dirname "$0")
+. "${basedir}"/check-dpdk-supported-arch.sh
+
+cat > testlinkage.c << EOF
+#include <stdio.h>
+#include "dpdk/rte_common.h"
+
+int main()
+{
+        printf("Hello rte_exit %p\n", rte_exit);
+        return 0;
+}
+EOF
+
+# -ldpdk actually refers to a linker script now, not a real .so
+# with broken linkage this will fail with undefined symbols
+printf "\n\nChecking compile with link against DPDK\n"
+gcc -v testlinkage.c -o testlinkage.bin -Wall -Werror -ldpdk
+echo "OK"
+
+printf "\n\nLinkage info\n"
+lddtree testlinkage.bin
+
+printf "\n\nChecking for expected internal libraries\n"
+# a few of the sublibs that it should use
+lddtree testlinkage.bin | grep '^    librte_eal.so'
+echo "OK"
+
+printf "\n\nChecking for expected secondary library dependencies\n"
+lddtree testlinkage.bin | grep '^        libpthread.so'
+lddtree testlinkage.bin | grep '^        librt.so'
+echo "OK"
+
+printf "\n\nChecking for expected feature dependent library dependencies\n"
+# features only used by the lib that we enabled
+ldd /usr/lib/*/librte_pmd_pcap.so | grep libpcap
+ldd /usr/lib/*/librte_pmd_xenvirt.so | grep libxenstore
+echo "OK"
+
+printf "\n\nChecking test execution\n"
+# It doesn't do much, but it should work - so calling it is a minor extra test.
+# It is known to fail without SSE3 in e.g. some adt environments, in that
+# case check at least that we get the correct error message (this will trigger
+# a test fail if it neither finds the success nor the expected error message)
+(./testlinkage.bin 2>&1 || /bin/true ) | \
+grep -E 'ERROR: This system does not support "SSSE3".|Hello rte_exit 0x'
+
+echo "OK"