Merge: selftest: add kselftest for CAN subsystem

MR: https://gitlab.com/redhat/centos-stream/src/kernel/centos-stream-10/-/merge_requests/1741

JIRA: https://issues.redhat.com/browse/RHEL-118603
Upstream Status: all mainline in net.git
Conflicts: see individual patches
Tested: boot-tested only

Signed-off-by: Davide Caratti <dcaratti@redhat.com>

Approved-by: Antoine Tenart <atenart@redhat.com>
Approved-by: Jan Stancek <jstancek@redhat.com>
Approved-by: CKI KWF Bot <cki-ci-bot+kwf-gitlab-com@redhat.com>

Merged-by: Jan Stancek <jstancek@redhat.com>

Author: jstancek

MAINTAINERS

@@ -5113,6 +5113,7 @@ F:	include/uapi/linux/can/gw.h
 F:	include/uapi/linux/can/isotp.h
 F:	include/uapi/linux/can/raw.h
 F:	net/can/
+F:	tools/testing/selftests/net/can/
 
 CAN-J1939 NETWORK LAYER
 M:	Robin van der Gracht <robin@protonic.nl>
@@ -16291,6 +16292,7 @@ X:	net/bluetooth/
 X:	net/mac80211/
 X:	net/rfkill/
 X:	net/wireless/
+X:	tools/testing/selftests/net/can/
 
 NETWORKING [IPSEC]
 M:	Steffen Klassert <steffen.klassert@secunet.com>

redhat/kernel.spec.template

@@ -3256,7 +3256,7 @@ pushd tools/testing/selftests
 export CFLAGS="%{build_cflags}"
 export CXXFLAGS="%{build_cxxflags}"
 
-TARGETS="bpf cgroup kmod mm net net/forwarding net/mptcp net/netfilter net/packetdrill tc-testing memfd drivers/net/hw iommu cachestat pid_namespace rlimits timens pidfd capabilities clone3 exec filesystems firmware landlock mount mount_setattr move_mount_set_group nsfs openat2 proc safesetid seccomp tmpfs uevent vDSO"
+TARGETS="bpf cgroup kmod mm net net/can net/forwarding net/mptcp net/netfilter net/packetdrill tc-testing memfd drivers/net/hw iommu cachestat pid_namespace rlimits timens pidfd capabilities clone3 exec filesystems firmware landlock mount mount_setattr move_mount_set_group nsfs openat2 proc safesetid seccomp tmpfs uevent vDSO"
 %{make} %{?_smp_mflags} EXTRA_CFLAGS="${RPM_OPT_FLAGS}" EXTRA_CXXFLAGS="${RPM_OPT_FLAGS}" EXTRA_LDFLAGS="%{__global_ldflags}" ARCH=$Arch V=1 TARGETS="$TARGETS" SKIP_TARGETS="" $force_targets VMLINUX_H="${RPM_VMLINUX_H}"
 
 # Restore the original level of source fortification
@@ -3637,6 +3637,12 @@ find -type d -exec install -d %{buildroot}%{_libexecdir}/kselftests/drivers/net/
 find -type f -executable -exec install -D -m755 {} %{buildroot}%{_libexecdir}/kselftests/drivers/net/bonding/{} \;
 find -type f ! -executable -exec install -D -m644 {} %{buildroot}%{_libexecdir}/kselftests/drivers/net/bonding/{} \;
 popd
+# install net/can selftests
+pushd tools/testing/selftests/net/can
+find -type d -exec install -d %{buildroot}%{_libexecdir}/kselftests/net/can/{} \;
+find -type f -executable -exec install -D -m755 {} %{buildroot}%{_libexecdir}/kselftests/net/can/{} \;
+find -type f ! -executable -exec install -D -m644 {} %{buildroot}%{_libexecdir}/kselftests/net/can/{} \;
+popd
 # install net/forwarding selftests
 pushd tools/testing/selftests/net/forwarding
 find -type d -exec install -d %{buildroot}%{_libexecdir}/kselftests/net/forwarding/{} \;

tools/testing/selftests/Makefile

@@ -63,6 +63,7 @@ TARGETS += mqueue
 TARGETS += nci
 TARGETS += net
 TARGETS += net/af_unix
+TARGETS += net/can
 TARGETS += net/forwarding
 TARGETS += net/hsr
 TARGETS += net/mptcp

tools/testing/selftests/net/can/.gitignore

@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
+test_raw_filter

tools/testing/selftests/net/can/Makefile

@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: GPL-2.0
+
+top_srcdir = ../../../../..
+
+CFLAGS += -Wall -Wl,--no-as-needed -O2 -g -I$(top_srcdir)/usr/include $(KHDR_INCLUDES)
+
+TEST_PROGS := test_raw_filter.sh
+
+TEST_GEN_FILES := test_raw_filter
+
+include ../../lib.mk

tools/testing/selftests/net/can/config

@@ -0,0 +1,3 @@
+CONFIG_CAN=m
+CONFIG_CAN_DEV=m
+CONFIG_CAN_VCAN=m