Message ID | 20230208181405.476676-4-andrei.gherzan@canonical.com |
---|---|
State | New |
Headers | show |
Series | Fix udpgro_frglist.sh kernel selftest | expand |
On Wed, Feb 08, 2023 at 06:14:05PM +0000, Andrei Gherzan wrote: > From: Hangbin Liu <liuhangbin@gmail.com> > > BugLink: https://bugs.launchpad.net/bugs/2000708 > > There are some issues with the bpf/nat6to4.c building. > > 1. It use TEST_CUSTOM_PROGS, which will add the nat6to4.o to > kselftest-list file and run by common run_tests. > 2. When building the test via `make -C tools/testing/selftests/ > TARGETS="net"`, the nat6to4.o will be build in selftests/net/bpf/ > folder. But in test udpgro_frglist.sh it refers to ../bpf/nat6to4.o. > The correct path should be ./bpf/nat6to4.o. > 3. If building the test via `make -C tools/testing/selftests/ TARGETS="net" > install`. The nat6to4.o will be installed to kselftest_install/net/ > folder. Then the udpgro_frglist.sh should refer to ./nat6to4.o. > > To fix the confusing test path, let's just move the nat6to4.c to net folder > and build it as TEST_GEN_FILES. > > Fixes: edae34a3ed92 ("selftests net: add UDP GRO fraglist + bpf self-tests") > Tested-by: Björn Töpel <bjorn@kernel.org> > Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> > Link: https://lore.kernel.org/r/20230118020927.3971864-1-liuhangbin@gmail.com > Signed-off-by: Paolo Abeni <pabeni@redhat.com> > (backported from 3c107f36db061603bee7564fbd6388b1f1879fd3 net-next) > [agherzan: This change merges the bpf Makefile into the main net > Makefile where more tests were added in the meanwhile. The backport > consisted only in matching the current state of these tests in the > TEST_GEN_FILES and OUTPUT sections.] > Signed-off-by: Andrei Gherzan <andrei.gherzan@canonical.com> > --- > tools/testing/selftests/net/Makefile | 51 ++++++++++++++++++- > .../testing/selftests/net/{bpf => }/nat6to4.c | 0 > tools/testing/selftests/net/udpgro_frglist.sh | 8 +-- > 3 files changed, 53 insertions(+), 6 deletions(-) > rename tools/testing/selftests/net/{bpf => }/nat6to4.c (100%) > > diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile > index 69c58362c0ed..eecda1b74ad0 100644 > --- a/tools/testing/selftests/net/Makefile > +++ b/tools/testing/selftests/net/Makefile > @@ -71,14 +71,61 @@ TEST_GEN_FILES += bind_bhash > TEST_GEN_PROGS += sk_bind_sendto_listen > TEST_GEN_PROGS += sk_connect_zero_addr > TEST_PROGS += test_ingress_egress_chaining.sh > +TEST_GEN_FILES += nat6to4.o > > TEST_FILES := settings > > include ../lib.mk > > -include bpf/Makefile > - > $(OUTPUT)/reuseport_bpf_numa: LDLIBS += -lnuma > $(OUTPUT)/tcp_mmap: LDLIBS += -lpthread > $(OUTPUT)/tcp_inq: LDLIBS += -lpthread > $(OUTPUT)/bind_bhash: LDLIBS += -lpthread > + > +# Rules to generate bpf obj nat6to4.o > +CLANG ?= clang > +SCRATCH_DIR := $(OUTPUT)/tools > +BUILD_DIR := $(SCRATCH_DIR)/build > +BPFDIR := $(abspath ../../../lib/bpf) > +APIDIR := $(abspath ../../../include/uapi) > + > +CCINCLUDE += -I../bpf > +CCINCLUDE += -I../../../../usr/include/ > +CCINCLUDE += -I$(SCRATCH_DIR)/include > + > +BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a > + > +MAKE_DIRS := $(BUILD_DIR)/libbpf > +$(MAKE_DIRS): > + mkdir -p $@ > + > +# Get Clang's default includes on this system, as opposed to those seen by > +# '-target bpf'. This fixes "missing" files on some architectures/distros, > +# such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc. > +# > +# Use '-idirafter': Don't interfere with include mechanics except where the > +# build would have failed anyways. > +define get_sys_includes > +$(shell $(1) $(2) -v -E - </dev/null 2>&1 \ > + | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \ > +$(shell $(1) $(2) -dM -E - </dev/null | grep '__riscv_xlen ' | awk '{printf("-D__riscv_xlen=%d -D__BITS_PER_LONG=%d", $$3, $$3)}') > +endef > + > +ifneq ($(CROSS_COMPILE),) > +CLANG_TARGET_ARCH = --target=$(notdir $(CROSS_COMPILE:%-=%)) > +endif > + > +CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG),$(CLANG_TARGET_ARCH)) > + > +$(OUTPUT)/nat6to4.o: nat6to4.c $(BPFOBJ) | $(MAKE_DIRS) > + $(CLANG) -O2 -target bpf -c $< $(CCINCLUDE) $(CLANG_SYS_INCLUDES) -o $@ > + > +$(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ > + $(APIDIR)/linux/bpf.h \ > + | $(BUILD_DIR)/libbpf > + $(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \ > + EXTRA_CFLAGS='-g -O0' \ > + DESTDIR=$(SCRATCH_DIR) prefix= all install_headers > + > +EXTRA_CLEAN := $(SCRATCH_DIR) > +>>>>>>> aad5b543f83d (selftests/net: mv bpf/nat6to4.c to net folder) ^ It looks like there's an extra line that should be removed, maybe left there after fixing the conflicts. The other 2 patches look good (NOTE: linux-unstable needs only patch 3/3, the other 2 are already applied via periodic rebase). Thanks, -Andrea
On 23/02/09 07:46AM, Andrea Righi wrote: > On Wed, Feb 08, 2023 at 06:14:05PM +0000, Andrei Gherzan wrote: > > From: Hangbin Liu <liuhangbin@gmail.com> > > > > BugLink: https://bugs.launchpad.net/bugs/2000708 > > > > There are some issues with the bpf/nat6to4.c building. > > > > 1. It use TEST_CUSTOM_PROGS, which will add the nat6to4.o to > > kselftest-list file and run by common run_tests. > > 2. When building the test via `make -C tools/testing/selftests/ > > TARGETS="net"`, the nat6to4.o will be build in selftests/net/bpf/ > > folder. But in test udpgro_frglist.sh it refers to ../bpf/nat6to4.o. > > The correct path should be ./bpf/nat6to4.o. > > 3. If building the test via `make -C tools/testing/selftests/ TARGETS="net" > > install`. The nat6to4.o will be installed to kselftest_install/net/ > > folder. Then the udpgro_frglist.sh should refer to ./nat6to4.o. > > > > To fix the confusing test path, let's just move the nat6to4.c to net folder > > and build it as TEST_GEN_FILES. > > > > Fixes: edae34a3ed92 ("selftests net: add UDP GRO fraglist + bpf self-tests") > > Tested-by: Björn Töpel <bjorn@kernel.org> > > Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> > > Link: https://lore.kernel.org/r/20230118020927.3971864-1-liuhangbin@gmail.com > > Signed-off-by: Paolo Abeni <pabeni@redhat.com> > > (backported from 3c107f36db061603bee7564fbd6388b1f1879fd3 net-next) > > [agherzan: This change merges the bpf Makefile into the main net > > Makefile where more tests were added in the meanwhile. The backport > > consisted only in matching the current state of these tests in the > > TEST_GEN_FILES and OUTPUT sections.] > > Signed-off-by: Andrei Gherzan <andrei.gherzan@canonical.com> > > --- > > tools/testing/selftests/net/Makefile | 51 ++++++++++++++++++- > > .../testing/selftests/net/{bpf => }/nat6to4.c | 0 > > tools/testing/selftests/net/udpgro_frglist.sh | 8 +-- > > 3 files changed, 53 insertions(+), 6 deletions(-) > > rename tools/testing/selftests/net/{bpf => }/nat6to4.c (100%) > > > > diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile > > index 69c58362c0ed..eecda1b74ad0 100644 > > --- a/tools/testing/selftests/net/Makefile > > +++ b/tools/testing/selftests/net/Makefile > > @@ -71,14 +71,61 @@ TEST_GEN_FILES += bind_bhash > > TEST_GEN_PROGS += sk_bind_sendto_listen > > TEST_GEN_PROGS += sk_connect_zero_addr > > TEST_PROGS += test_ingress_egress_chaining.sh > > +TEST_GEN_FILES += nat6to4.o > > > > TEST_FILES := settings > > > > include ../lib.mk > > > > -include bpf/Makefile > > - > > $(OUTPUT)/reuseport_bpf_numa: LDLIBS += -lnuma > > $(OUTPUT)/tcp_mmap: LDLIBS += -lpthread > > $(OUTPUT)/tcp_inq: LDLIBS += -lpthread > > $(OUTPUT)/bind_bhash: LDLIBS += -lpthread > > + > > +# Rules to generate bpf obj nat6to4.o > > +CLANG ?= clang > > +SCRATCH_DIR := $(OUTPUT)/tools > > +BUILD_DIR := $(SCRATCH_DIR)/build > > +BPFDIR := $(abspath ../../../lib/bpf) > > +APIDIR := $(abspath ../../../include/uapi) > > + > > +CCINCLUDE += -I../bpf > > +CCINCLUDE += -I../../../../usr/include/ > > +CCINCLUDE += -I$(SCRATCH_DIR)/include > > + > > +BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a > > + > > +MAKE_DIRS := $(BUILD_DIR)/libbpf > > +$(MAKE_DIRS): > > + mkdir -p $@ > > + > > +# Get Clang's default includes on this system, as opposed to those seen by > > +# '-target bpf'. This fixes "missing" files on some architectures/distros, > > +# such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc. > > +# > > +# Use '-idirafter': Don't interfere with include mechanics except where the > > +# build would have failed anyways. > > +define get_sys_includes > > +$(shell $(1) $(2) -v -E - </dev/null 2>&1 \ > > + | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \ > > +$(shell $(1) $(2) -dM -E - </dev/null | grep '__riscv_xlen ' | awk '{printf("-D__riscv_xlen=%d -D__BITS_PER_LONG=%d", $$3, $$3)}') > > +endef > > + > > +ifneq ($(CROSS_COMPILE),) > > +CLANG_TARGET_ARCH = --target=$(notdir $(CROSS_COMPILE:%-=%)) > > +endif > > + > > +CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG),$(CLANG_TARGET_ARCH)) > > + > > +$(OUTPUT)/nat6to4.o: nat6to4.c $(BPFOBJ) | $(MAKE_DIRS) > > + $(CLANG) -O2 -target bpf -c $< $(CCINCLUDE) $(CLANG_SYS_INCLUDES) -o $@ > > + > > +$(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ > > + $(APIDIR)/linux/bpf.h \ > > + | $(BUILD_DIR)/libbpf > > + $(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \ > > + EXTRA_CFLAGS='-g -O0' \ > > + DESTDIR=$(SCRATCH_DIR) prefix= all install_headers > > + > > +EXTRA_CLEAN := $(SCRATCH_DIR) > > +>>>>>>> aad5b543f83d (selftests/net: mv bpf/nat6to4.c to net folder) > > ^ It looks like there's an extra line that should be removed, maybe left > there after fixing the conflicts. > > The other 2 patches look good (NOTE: linux-unstable needs only patch 3/3, > the other 2 are already applied via periodic rebase). Thanks. I've sent a v2 for this.
diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile index 69c58362c0ed..eecda1b74ad0 100644 --- a/tools/testing/selftests/net/Makefile +++ b/tools/testing/selftests/net/Makefile @@ -71,14 +71,61 @@ TEST_GEN_FILES += bind_bhash TEST_GEN_PROGS += sk_bind_sendto_listen TEST_GEN_PROGS += sk_connect_zero_addr TEST_PROGS += test_ingress_egress_chaining.sh +TEST_GEN_FILES += nat6to4.o TEST_FILES := settings include ../lib.mk -include bpf/Makefile - $(OUTPUT)/reuseport_bpf_numa: LDLIBS += -lnuma $(OUTPUT)/tcp_mmap: LDLIBS += -lpthread $(OUTPUT)/tcp_inq: LDLIBS += -lpthread $(OUTPUT)/bind_bhash: LDLIBS += -lpthread + +# Rules to generate bpf obj nat6to4.o +CLANG ?= clang +SCRATCH_DIR := $(OUTPUT)/tools +BUILD_DIR := $(SCRATCH_DIR)/build +BPFDIR := $(abspath ../../../lib/bpf) +APIDIR := $(abspath ../../../include/uapi) + +CCINCLUDE += -I../bpf +CCINCLUDE += -I../../../../usr/include/ +CCINCLUDE += -I$(SCRATCH_DIR)/include + +BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a + +MAKE_DIRS := $(BUILD_DIR)/libbpf +$(MAKE_DIRS): + mkdir -p $@ + +# Get Clang's default includes on this system, as opposed to those seen by +# '-target bpf'. This fixes "missing" files on some architectures/distros, +# such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc. +# +# Use '-idirafter': Don't interfere with include mechanics except where the +# build would have failed anyways. +define get_sys_includes +$(shell $(1) $(2) -v -E - </dev/null 2>&1 \ + | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \ +$(shell $(1) $(2) -dM -E - </dev/null | grep '__riscv_xlen ' | awk '{printf("-D__riscv_xlen=%d -D__BITS_PER_LONG=%d", $$3, $$3)}') +endef + +ifneq ($(CROSS_COMPILE),) +CLANG_TARGET_ARCH = --target=$(notdir $(CROSS_COMPILE:%-=%)) +endif + +CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG),$(CLANG_TARGET_ARCH)) + +$(OUTPUT)/nat6to4.o: nat6to4.c $(BPFOBJ) | $(MAKE_DIRS) + $(CLANG) -O2 -target bpf -c $< $(CCINCLUDE) $(CLANG_SYS_INCLUDES) -o $@ + +$(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ + $(APIDIR)/linux/bpf.h \ + | $(BUILD_DIR)/libbpf + $(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \ + EXTRA_CFLAGS='-g -O0' \ + DESTDIR=$(SCRATCH_DIR) prefix= all install_headers + +EXTRA_CLEAN := $(SCRATCH_DIR) +>>>>>>> aad5b543f83d (selftests/net: mv bpf/nat6to4.c to net folder) diff --git a/tools/testing/selftests/net/bpf/nat6to4.c b/tools/testing/selftests/net/nat6to4.c similarity index 100% rename from tools/testing/selftests/net/bpf/nat6to4.c rename to tools/testing/selftests/net/nat6to4.c diff --git a/tools/testing/selftests/net/udpgro_frglist.sh b/tools/testing/selftests/net/udpgro_frglist.sh index c9c4b9d65839..0a6359bed0b9 100755 --- a/tools/testing/selftests/net/udpgro_frglist.sh +++ b/tools/testing/selftests/net/udpgro_frglist.sh @@ -40,8 +40,8 @@ run_one() { ip -n "${PEER_NS}" link set veth1 xdp object ${BPF_FILE} section xdp tc -n "${PEER_NS}" qdisc add dev veth1 clsact - tc -n "${PEER_NS}" filter add dev veth1 ingress prio 4 protocol ipv6 bpf object-file ../bpf/nat6to4.o section schedcls/ingress6/nat_6 direct-action - tc -n "${PEER_NS}" filter add dev veth1 egress prio 4 protocol ip bpf object-file ../bpf/nat6to4.o section schedcls/egress4/snat4 direct-action + tc -n "${PEER_NS}" filter add dev veth1 ingress prio 4 protocol ipv6 bpf object-file nat6to4.o section schedcls/ingress6/nat_6 direct-action + tc -n "${PEER_NS}" filter add dev veth1 egress prio 4 protocol ip bpf object-file nat6to4.o section schedcls/egress4/snat4 direct-action echo ${rx_args} ip netns exec "${PEER_NS}" ./udpgso_bench_rx ${rx_args} -r & @@ -88,8 +88,8 @@ if [ ! -f ${BPF_FILE} ]; then exit -1 fi -if [ ! -f bpf/nat6to4.o ]; then - echo "Missing nat6to4 helper. Build bpfnat6to4.o selftest first" +if [ ! -f nat6to4.o ]; then + echo "Missing nat6to4 helper. Build bpf nat6to4.o selftest first" exit -1 fi