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 44ea7b56760e28..dbab80e813fec5 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 84837ed48eb38c..0da749f6a9e10d 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 45a2f01d202933..c7d2291d676f68 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 fc093fbc760a7c..9a13dbb81847ab 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 0e17f9ade5c569..1883559e597725 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 ba82949338c272..c3528731e0e1c0 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 3e29de0eca98d5..6af39fe3f8dd03 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 f170e9b1ea214f..67cab38819698b 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 */