samples/bpf: use vmlinux.h instead of implicit headers in BPF test program

This commit applies vmlinux.h to BPF functionality testing program.
Macros that were not defined despite migration to "vmlinux.h" were
defined separately in individual files.

Signed-off-by: Daniel T. Lee <danieltimlee@gmail.com>
Link: https://lore.kernel.org/r/20230115071613.125791-10-danieltimlee@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

8 files changed, 12 insertions, 29 deletions

diff --git a/samples/bpf/lwt_len_hist_kern.c b/samples/bpf/lwt_len_hist_kern.c
index 44ea7b56760e..dbab80e813fe 100644
--- a/samples/bpf/lwt_len_hist_kern.c
+++ b/samples/bpf/lwt_len_hist_kern.c
@@ -10,10 +10,7 @@
  * General Public License for more details.
  */
 
-#include <uapi/linux/bpf.h>
-#include <uapi/linux/if_ether.h>
-#include <uapi/linux/ip.h>
-#include <uapi/linux/in.h>
+#include "vmlinux.h"
 #include <bpf/bpf_helpers.h>
 
 struct {
diff --git a/samples/bpf/sock_flags_kern.c b/samples/bpf/sock_flags_kern.c
index 84837ed48eb3..0da749f6a9e1 100644
--- a/samples/bpf/sock_flags_kern.c
+++ b/samples/bpf/sock_flags_kern.c
@@ -1,8 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "vmlinux.h"
 #include "net_shared.h"
-#include <uapi/linux/bpf.h>
-#include <linux/net.h>
-#include <uapi/linux/in.h>
-#include <uapi/linux/in6.h>
 #include <bpf/bpf_helpers.h>
 
 SEC("cgroup/sock")
diff --git a/samples/bpf/test_cgrp2_tc_kern.c b/samples/bpf/test_cgrp2_tc_kern.c
index 45a2f01d2029..c7d2291d676f 100644
--- a/samples/bpf/test_cgrp2_tc_kern.c
+++ b/samples/bpf/test_cgrp2_tc_kern.c
@@ -5,9 +5,8 @@
  * License as published by the Free Software Foundation.
  */
 #define KBUILD_MODNAME "foo"
+#include "vmlinux.h"
 #include "net_shared.h"
-#include <uapi/linux/ipv6.h>
-#include <uapi/linux/bpf.h>
 #include <bpf/bpf_helpers.h>
 
 /* copy of 'struct ethhdr' without __packed */
diff --git a/samples/bpf/test_lwt_bpf.c b/samples/bpf/test_lwt_bpf.c
index fc093fbc760a..9a13dbb81847 100644
--- a/samples/bpf/test_lwt_bpf.c
+++ b/samples/bpf/test_lwt_bpf.c
@@ -10,17 +10,8 @@
  * General Public License for more details.
  */
 
+#include "vmlinux.h"
 #include "net_shared.h"
-#include <stdint.h>
-#include <stddef.h>
-#include <linux/bpf.h>
-#include <linux/ip.h>
-#include <linux/in.h>
-#include <linux/in6.h>
-#include <linux/tcp.h>
-#include <linux/udp.h>
-#include <linux/icmpv6.h>
-#include <linux/if_ether.h>
 #include <bpf/bpf_helpers.h>
 #include <string.h>
 
diff --git a/samples/bpf/test_map_in_map_kern.c b/samples/bpf/test_map_in_map_kern.c
index 0e17f9ade5c5..1883559e5977 100644
--- a/samples/bpf/test_map_in_map_kern.c
+++ b/samples/bpf/test_map_in_map_kern.c
@@ -6,16 +6,17 @@
  * License as published by the Free Software Foundation.
  */
 #define KBUILD_MODNAME "foo"
-#include <linux/ptrace.h>
+#include "vmlinux.h"
 #include <linux/version.h>
-#include <uapi/linux/bpf.h>
-#include <uapi/linux/in6.h>
 #include <bpf/bpf_helpers.h>
 #include <bpf/bpf_tracing.h>
 #include <bpf/bpf_core_read.h>
 
 #define MAX_NR_PORTS 65536
 
+#define EINVAL 22
+#define ENOENT 2
+
 /* map #0 */
 struct inner_a {
 	__uint(type, BPF_MAP_TYPE_ARRAY);
diff --git a/samples/bpf/test_overhead_kprobe_kern.c b/samples/bpf/test_overhead_kprobe_kern.c
index ba82949338c2..c3528731e0e1 100644
--- a/samples/bpf/test_overhead_kprobe_kern.c
+++ b/samples/bpf/test_overhead_kprobe_kern.c
@@ -4,10 +4,8 @@
  * modify it under the terms of version 2 of the GNU General Public
  * License as published by the Free Software Foundation.
  */
+#include "vmlinux.h"
 #include <linux/version.h>
-#include <linux/ptrace.h>
-#include <linux/sched.h>
-#include <uapi/linux/bpf.h>
 #include <bpf/bpf_helpers.h>
 #include <bpf/bpf_tracing.h>
 
diff --git a/samples/bpf/test_overhead_raw_tp_kern.c b/samples/bpf/test_overhead_raw_tp_kern.c
index 3e29de0eca98..6af39fe3f8dd 100644
--- a/samples/bpf/test_overhead_raw_tp_kern.c
+++ b/samples/bpf/test_overhead_raw_tp_kern.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /* Copyright (c) 2018 Facebook */
-#include <uapi/linux/bpf.h>
+#include "vmlinux.h"
 #include <bpf/bpf_helpers.h>
 
 SEC("raw_tracepoint/task_rename")
diff --git a/samples/bpf/test_overhead_tp_kern.c b/samples/bpf/test_overhead_tp_kern.c
index f170e9b1ea21..67cab3881969 100644
--- a/samples/bpf/test_overhead_tp_kern.c
+++ b/samples/bpf/test_overhead_tp_kern.c
@@ -4,8 +4,7 @@
  * modify it under the terms of version 2 of the GNU General Public
  * License as published by the Free Software Foundation.
  */
-#include <linux/sched.h>
-#include <uapi/linux/bpf.h>
+#include "vmlinux.h"
 #include <bpf/bpf_helpers.h>
 
 /* from /sys/kernel/debug/tracing/events/task/task_rename/format */