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Message-Id: <20210423002646.35043-17-alexei.starovoitov@gmail.com>
Date: Thu, 22 Apr 2021 17:26:46 -0700
From: Alexei Starovoitov <alexei.starovoitov@...il.com>
To: davem@...emloft.net
Cc: daniel@...earbox.net, andrii@...nel.org, netdev@...r.kernel.org,
bpf@...r.kernel.org, kernel-team@...com
Subject: [PATCH v2 bpf-next 16/16] selftests/bpf: Convert few tests to light skeleton.
From: Alexei Starovoitov <ast@...nel.org>
Convert few tests that don't use CO-RE to light skeleton.
Signed-off-by: Alexei Starovoitov <ast@...nel.org>
---
tools/testing/selftests/bpf/.gitignore | 1 +
tools/testing/selftests/bpf/Makefile | 15 ++++++++++++++-
.../selftests/bpf/prog_tests/fentry_fexit.c | 6 +++---
.../selftests/bpf/prog_tests/fentry_test.c | 4 ++--
.../selftests/bpf/prog_tests/fexit_sleep.c | 6 +++---
.../testing/selftests/bpf/prog_tests/fexit_test.c | 4 ++--
.../testing/selftests/bpf/prog_tests/kfunc_call.c | 6 +++---
.../selftests/bpf/prog_tests/ksyms_module.c | 2 +-
8 files changed, 29 insertions(+), 15 deletions(-)
diff --git a/tools/testing/selftests/bpf/.gitignore b/tools/testing/selftests/bpf/.gitignore
index 4866f6a21901..a030aa4a8a9e 100644
--- a/tools/testing/selftests/bpf/.gitignore
+++ b/tools/testing/selftests/bpf/.gitignore
@@ -30,6 +30,7 @@ test_sysctl
xdping
test_cpp
*.skel.h
+*.lskel.h
/no_alu32
/bpf_gcc
/tools
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index 9fdfdbc61857..2db4262b2f40 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -312,6 +312,9 @@ SKEL_BLACKLIST := btf__% test_pinning_invalid.c test_sk_assign.c
LINKED_SKELS := test_static_linked.skel.h
+LSKELS := kfunc_call_test.c fentry_test.c fexit_test.c fexit_sleep.c test_ksyms_module.c
+SKEL_BLACKLIST += $$(LSKELS)
+
test_static_linked.skel.h-deps := test_static_linked1.o test_static_linked2.o
# Set up extra TRUNNER_XXX "temporary" variables in the environment (relies on
@@ -334,6 +337,7 @@ TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, $$(TRUNNER_BPF_SRCS)
TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.skel.h, \
$$(filter-out $(SKEL_BLACKLIST), \
$$(TRUNNER_BPF_SRCS)))
+TRUNNER_BPF_LSKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.lskel.h, $$(LSKELS))
TRUNNER_BPF_SKELS_LINKED := $$(addprefix $$(TRUNNER_OUTPUT)/,$(LINKED_SKELS))
TEST_GEN_FILES += $$(TRUNNER_BPF_OBJS)
@@ -375,6 +379,14 @@ $(TRUNNER_BPF_SKELS): %.skel.h: %.o $(BPFTOOL) | $(TRUNNER_OUTPUT)
$(Q)diff $$(<:.o=.linked2.o) $$(<:.o=.linked3.o)
$(Q)$$(BPFTOOL) gen skeleton $$(<:.o=.linked3.o) name $$(notdir $$(<:.o=)) > $$@
+$(TRUNNER_BPF_LSKELS): %.lskel.h: %.o $(BPFTOOL) | $(TRUNNER_OUTPUT)
+ $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
+ $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked1.o) $$<
+ $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked2.o) $$(<:.o=.linked1.o)
+ $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked3.o) $$(<:.o=.linked2.o)
+ $(Q)diff $$(<:.o=.linked2.o) $$(<:.o=.linked3.o)
+ $(Q)$$(BPFTOOL) gen skeleton -L $$(<:.o=.linked3.o) name $$(notdir $$(<:.o=)) > $$@
+
$(TRUNNER_BPF_SKELS_LINKED): $(TRUNNER_BPF_OBJS) $(BPFTOOL) | $(TRUNNER_OUTPUT)
$$(call msg,LINK-BPF,$(TRUNNER_BINARY),$$(@:.skel.h=.o))
$(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked1.o) $$(addprefix $(TRUNNER_OUTPUT)/,$$($$(@F)-deps))
@@ -404,6 +416,7 @@ $(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test.o: \
$(TRUNNER_EXTRA_HDRS) \
$(TRUNNER_BPF_OBJS) \
$(TRUNNER_BPF_SKELS) \
+ $(TRUNNER_BPF_LSKELS) \
$(TRUNNER_BPF_SKELS_LINKED) \
$$(BPFOBJ) | $(TRUNNER_OUTPUT)
$$(call msg,TEST-OBJ,$(TRUNNER_BINARY),$$@)
@@ -511,6 +524,6 @@ $(OUTPUT)/bench: $(OUTPUT)/bench.o $(OUTPUT)/testing_helpers.o \
EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(SCRATCH_DIR) $(HOST_SCRATCH_DIR) \
prog_tests/tests.h map_tests/tests.h verifier/tests.h \
feature \
- $(addprefix $(OUTPUT)/,*.o *.skel.h no_alu32 bpf_gcc bpf_testmod.ko)
+ $(addprefix $(OUTPUT)/,*.o *.skel.h *.lskel.h no_alu32 bpf_gcc bpf_testmod.ko)
.PHONY: docs docs-clean
diff --git a/tools/testing/selftests/bpf/prog_tests/fentry_fexit.c b/tools/testing/selftests/bpf/prog_tests/fentry_fexit.c
index 109d0345a2be..91154c2ba256 100644
--- a/tools/testing/selftests/bpf/prog_tests/fentry_fexit.c
+++ b/tools/testing/selftests/bpf/prog_tests/fentry_fexit.c
@@ -1,8 +1,8 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2019 Facebook */
#include <test_progs.h>
-#include "fentry_test.skel.h"
-#include "fexit_test.skel.h"
+#include "fentry_test.lskel.h"
+#include "fexit_test.lskel.h"
void test_fentry_fexit(void)
{
@@ -26,7 +26,7 @@ void test_fentry_fexit(void)
if (CHECK(err, "fexit_attach", "fexit attach failed: %d\n", err))
goto close_prog;
- prog_fd = bpf_program__fd(fexit_skel->progs.test1);
+ prog_fd = fexit_skel->progs.test1.prog_fd;
err = bpf_prog_test_run(prog_fd, 1, NULL, 0,
NULL, NULL, &retval, &duration);
CHECK(err || retval, "ipv6",
diff --git a/tools/testing/selftests/bpf/prog_tests/fentry_test.c b/tools/testing/selftests/bpf/prog_tests/fentry_test.c
index 04ebbf1cb390..78062855b142 100644
--- a/tools/testing/selftests/bpf/prog_tests/fentry_test.c
+++ b/tools/testing/selftests/bpf/prog_tests/fentry_test.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2019 Facebook */
#include <test_progs.h>
-#include "fentry_test.skel.h"
+#include "fentry_test.lskel.h"
void test_fentry_test(void)
{
@@ -18,7 +18,7 @@ void test_fentry_test(void)
if (CHECK(err, "fentry_attach", "fentry attach failed: %d\n", err))
goto cleanup;
- prog_fd = bpf_program__fd(fentry_skel->progs.test1);
+ prog_fd = fentry_skel->progs.test1.prog_fd;
err = bpf_prog_test_run(prog_fd, 1, NULL, 0,
NULL, NULL, &retval, &duration);
CHECK(err || retval, "test_run",
diff --git a/tools/testing/selftests/bpf/prog_tests/fexit_sleep.c b/tools/testing/selftests/bpf/prog_tests/fexit_sleep.c
index ccc7e8a34ab6..4e7f4b42ea29 100644
--- a/tools/testing/selftests/bpf/prog_tests/fexit_sleep.c
+++ b/tools/testing/selftests/bpf/prog_tests/fexit_sleep.c
@@ -6,7 +6,7 @@
#include <time.h>
#include <sys/mman.h>
#include <sys/syscall.h>
-#include "fexit_sleep.skel.h"
+#include "fexit_sleep.lskel.h"
static int do_sleep(void *skel)
{
@@ -58,8 +58,8 @@ void test_fexit_sleep(void)
* waiting for percpu_ref_kill to confirm). The other one
* will be freed quickly.
*/
- close(bpf_program__fd(fexit_skel->progs.nanosleep_fentry));
- close(bpf_program__fd(fexit_skel->progs.nanosleep_fexit));
+ close(fexit_skel->progs.nanosleep_fentry.prog_fd);
+ close(fexit_skel->progs.nanosleep_fexit.prog_fd);
fexit_sleep__detach(fexit_skel);
/* kill the thread to unwind sys_nanosleep stack through the trampoline */
diff --git a/tools/testing/selftests/bpf/prog_tests/fexit_test.c b/tools/testing/selftests/bpf/prog_tests/fexit_test.c
index 78d7a2765c27..be75d0c1018a 100644
--- a/tools/testing/selftests/bpf/prog_tests/fexit_test.c
+++ b/tools/testing/selftests/bpf/prog_tests/fexit_test.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2019 Facebook */
#include <test_progs.h>
-#include "fexit_test.skel.h"
+#include "fexit_test.lskel.h"
void test_fexit_test(void)
{
@@ -18,7 +18,7 @@ void test_fexit_test(void)
if (CHECK(err, "fexit_attach", "fexit attach failed: %d\n", err))
goto cleanup;
- prog_fd = bpf_program__fd(fexit_skel->progs.test1);
+ prog_fd = fexit_skel->progs.test1.prog_fd;
err = bpf_prog_test_run(prog_fd, 1, NULL, 0,
NULL, NULL, &retval, &duration);
CHECK(err || retval, "test_run",
diff --git a/tools/testing/selftests/bpf/prog_tests/kfunc_call.c b/tools/testing/selftests/bpf/prog_tests/kfunc_call.c
index 7fc0951ee75f..30a7b9b837bf 100644
--- a/tools/testing/selftests/bpf/prog_tests/kfunc_call.c
+++ b/tools/testing/selftests/bpf/prog_tests/kfunc_call.c
@@ -2,7 +2,7 @@
/* Copyright (c) 2021 Facebook */
#include <test_progs.h>
#include <network_helpers.h>
-#include "kfunc_call_test.skel.h"
+#include "kfunc_call_test.lskel.h"
#include "kfunc_call_test_subprog.skel.h"
static void test_main(void)
@@ -14,13 +14,13 @@ static void test_main(void)
if (!ASSERT_OK_PTR(skel, "skel"))
return;
- prog_fd = bpf_program__fd(skel->progs.kfunc_call_test1);
+ prog_fd = skel->progs.kfunc_call_test1.prog_fd;
err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
NULL, NULL, (__u32 *)&retval, NULL);
ASSERT_OK(err, "bpf_prog_test_run(test1)");
ASSERT_EQ(retval, 12, "test1-retval");
- prog_fd = bpf_program__fd(skel->progs.kfunc_call_test2);
+ prog_fd = skel->progs.kfunc_call_test2.prog_fd;
err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
NULL, NULL, (__u32 *)&retval, NULL);
ASSERT_OK(err, "bpf_prog_test_run(test2)");
diff --git a/tools/testing/selftests/bpf/prog_tests/ksyms_module.c b/tools/testing/selftests/bpf/prog_tests/ksyms_module.c
index 4c232b456479..2cd5cded543f 100644
--- a/tools/testing/selftests/bpf/prog_tests/ksyms_module.c
+++ b/tools/testing/selftests/bpf/prog_tests/ksyms_module.c
@@ -4,7 +4,7 @@
#include <test_progs.h>
#include <bpf/libbpf.h>
#include <bpf/btf.h>
-#include "test_ksyms_module.skel.h"
+#include "test_ksyms_module.lskel.h"
static int duration;
--
2.30.2
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