[PATCH bpf-next v2 05/10] bpftool: Use consistent include paths for libbpf

From: Toke HÃiland-JÃrgensen
Date: Wed Jan 15 2020 - 09:15:35 EST

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In reply to: Toke HÃiland-JÃrgensen: "[PATCH bpf-next v2 04/10] selftests: Use consistent include paths for libbpf"
Next in thread: Andrii Nakryiko: "Re: [PATCH bpf-next v2 05/10] bpftool: Use consistent include paths for libbpf"
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From: Toke HÃiland-JÃrgensen <toke@xxxxxxxxxx>

Fix bpftool to include libbpf header files with the bpf/ prefix, to be
consistent with external users of the library. Also ensure that all
includes of exported libbpf header files (those that are exported on 'make
install' of the library) use bracketed includes instead of quoted.

To make sure no new files are introduced that doesn't include the bpf/
prefix in its include, remove tools/lib/bpf from the include path entirely,
and use tools/lib instead.

Fixes: 6910d7d3867a ("selftests/bpf: Ensure bpf_helper_defs.h are taken from selftests dir")
Signed-off-by: Toke HÃiland-JÃrgensen <toke@xxxxxxxxxx>
---
tools/bpf/bpftool/Documentation/bpftool-gen.rst | 2 +-
tools/bpf/bpftool/Makefile | 2 +-
tools/bpf/bpftool/btf.c | 8 ++++----
tools/bpf/bpftool/btf_dumper.c | 2 +-
tools/bpf/bpftool/cgroup.c | 2 +-
tools/bpf/bpftool/common.c | 4 ++--
tools/bpf/bpftool/feature.c | 4 ++--
tools/bpf/bpftool/gen.c | 10 +++++-----
tools/bpf/bpftool/jit_disasm.c | 2 +-
tools/bpf/bpftool/main.c | 4 ++--
tools/bpf/bpftool/map.c | 4 ++--
tools/bpf/bpftool/map_perf_ring.c | 4 ++--
tools/bpf/bpftool/net.c | 8 ++++----
tools/bpf/bpftool/netlink_dumper.c | 4 ++--
tools/bpf/bpftool/perf.c | 2 +-
tools/bpf/bpftool/prog.c | 6 +++---
tools/bpf/bpftool/xlated_dumper.c | 2 +-
17 files changed, 35 insertions(+), 35 deletions(-)

diff --git a/tools/bpf/bpftool/Documentation/bpftool-gen.rst b/tools/bpf/bpftool/Documentation/bpftool-gen.rst
index 86a87da97d0b..94d91322895a 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-gen.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-gen.rst
@@ -196,7 +196,7 @@ and global variables.
#define __EXAMPLE_SKEL_H__

#include <stdlib.h>
- #include <libbpf.h>
+ #include <bpf/libbpf.h>

struct example {
struct bpf_object_skeleton *skeleton;
diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile
index 39bc6f0f4f0b..c4e810335810 100644
--- a/tools/bpf/bpftool/Makefile
+++ b/tools/bpf/bpftool/Makefile
@@ -45,7 +45,7 @@ CFLAGS += -DPACKAGE='"bpftool"' -D__EXPORTED_HEADERS__ \
-I$(srctree)/kernel/bpf/ \
-I$(srctree)/tools/include \
-I$(srctree)/tools/include/uapi \
- -I$(srctree)/tools/lib/bpf \
+ -I$(srctree)/tools/lib \
-I$(srctree)/tools/perf
CFLAGS += -DBPFTOOL_VERSION='"$(BPFTOOL_VERSION)"'
ifneq ($(EXTRA_CFLAGS),)
diff --git a/tools/bpf/bpftool/btf.c b/tools/bpf/bpftool/btf.c
index 60c75be0666d..4ba90d81b6a1 100644
--- a/tools/bpf/bpftool/btf.c
+++ b/tools/bpf/bpftool/btf.c
@@ -8,15 +8,15 @@
#include <stdio.h>
#include <string.h>
#include <unistd.h>
-#include <bpf.h>
-#include <libbpf.h>
+#include <bpf/bpf.h>
+#include <bpf/btf.h>
+#include <bpf/libbpf.h>
#include <linux/btf.h>
#include <linux/hashtable.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>

-#include "btf.h"
#include "json_writer.h"
#include "main.h"

@@ -532,7 +532,7 @@ static int do_dump(int argc, char **argv)
if (IS_ERR(btf)) {
err = PTR_ERR(btf);
btf = NULL;
- p_err("failed to load BTF from %s: %s",
+ p_err("failed to load BTF from %s: %s",
*argv, strerror(err));
goto done;
}
diff --git a/tools/bpf/bpftool/btf_dumper.c b/tools/bpf/bpftool/btf_dumper.c
index d66131f69689..eb4a142016a0 100644
--- a/tools/bpf/bpftool/btf_dumper.c
+++ b/tools/bpf/bpftool/btf_dumper.c
@@ -8,8 +8,8 @@
#include <linux/bitops.h>
#include <linux/btf.h>
#include <linux/err.h>
+#include <bpf/btf.h>

-#include "btf.h"
#include "json_writer.h"
#include "main.h"

diff --git a/tools/bpf/bpftool/cgroup.c b/tools/bpf/bpftool/cgroup.c
index 2f017caa678d..62c6a1d7cd18 100644
--- a/tools/bpf/bpftool/cgroup.c
+++ b/tools/bpf/bpftool/cgroup.c
@@ -14,7 +14,7 @@
#include <sys/types.h>
#include <unistd.h>

-#include <bpf.h>
+#include <bpf/bpf.h>

#include "main.h"

diff --git a/tools/bpf/bpftool/common.c b/tools/bpf/bpftool/common.c
index 88264abaa738..b75b8ec5469c 100644
--- a/tools/bpf/bpftool/common.c
+++ b/tools/bpf/bpftool/common.c
@@ -20,8 +20,8 @@
#include <sys/stat.h>
#include <sys/vfs.h>

-#include <bpf.h>
-#include <libbpf.h> /* libbpf_num_possible_cpus */
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h> /* libbpf_num_possible_cpus */

#include "main.h"

diff --git a/tools/bpf/bpftool/feature.c b/tools/bpf/bpftool/feature.c
index 94735d968c34..446ba891f1e2 100644
--- a/tools/bpf/bpftool/feature.c
+++ b/tools/bpf/bpftool/feature.c
@@ -12,8 +12,8 @@
#include <linux/filter.h>
#include <linux/limits.h>

-#include <bpf.h>
-#include <libbpf.h>
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
#include <zlib.h>

#include "main.h"
diff --git a/tools/bpf/bpftool/gen.c b/tools/bpf/bpftool/gen.c
index 7ce09a9a6999..b0695aa543d2 100644
--- a/tools/bpf/bpftool/gen.c
+++ b/tools/bpf/bpftool/gen.c
@@ -12,15 +12,15 @@
#include <stdio.h>
#include <string.h>
#include <unistd.h>
-#include <bpf.h>
-#include <libbpf.h>
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <unistd.h>
+#include <bpf/btf.h>

-#include "btf.h"
-#include "libbpf_internal.h"
+#include "bpf/libbpf_internal.h"
#include "json_writer.h"
#include "main.h"

@@ -333,7 +333,7 @@ static int do_skeleton(int argc, char **argv)
#define %2$s \n\
\n\
#include <stdlib.h> \n\
- #include <libbpf.h> \n\
+ #include <bpf/libbpf.h> \n\
\n\
struct %1$s { \n\
struct bpf_object_skeleton *skeleton; \n\
diff --git a/tools/bpf/bpftool/jit_disasm.c b/tools/bpf/bpftool/jit_disasm.c
index bfed711258ce..f7f5885aa3ba 100644
--- a/tools/bpf/bpftool/jit_disasm.c
+++ b/tools/bpf/bpftool/jit_disasm.c
@@ -24,7 +24,7 @@
#include <dis-asm.h>
#include <sys/stat.h>
#include <limits.h>
-#include <libbpf.h>
+#include <bpf/libbpf.h>

#include "json_writer.h"
#include "main.h"
diff --git a/tools/bpf/bpftool/main.c b/tools/bpf/bpftool/main.c
index 1fe91c558508..6d41bbfc6459 100644
--- a/tools/bpf/bpftool/main.c
+++ b/tools/bpf/bpftool/main.c
@@ -9,8 +9,8 @@
#include <stdlib.h>
#include <string.h>

-#include <bpf.h>
-#include <libbpf.h>
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>

#include "main.h"

diff --git a/tools/bpf/bpftool/map.c b/tools/bpf/bpftool/map.c
index c01f76fa6876..30f06f50e8bb 100644
--- a/tools/bpf/bpftool/map.c
+++ b/tools/bpf/bpftool/map.c
@@ -15,9 +15,9 @@
#include <sys/types.h>
#include <sys/stat.h>

-#include <bpf.h>
+#include <bpf/bpf.h>
+#include <bpf/btf.h>

-#include "btf.h"
#include "json_writer.h"
#include "main.h"

diff --git a/tools/bpf/bpftool/map_perf_ring.c b/tools/bpf/bpftool/map_perf_ring.c
index 4c5531d1a450..d9b29c17fbb8 100644
--- a/tools/bpf/bpftool/map_perf_ring.c
+++ b/tools/bpf/bpftool/map_perf_ring.c
@@ -6,7 +6,7 @@
*/
#include <errno.h>
#include <fcntl.h>
-#include <libbpf.h>
+#include <bpf/libbpf.h>
#include <poll.h>
#include <signal.h>
#include <stdbool.h>
@@ -21,7 +21,7 @@
#include <sys/mman.h>
#include <sys/syscall.h>

-#include <bpf.h>
+#include <bpf/bpf.h>
#include <perf-sys.h>

#include "main.h"
diff --git a/tools/bpf/bpftool/net.c b/tools/bpf/bpftool/net.c
index d93bee298e54..c5e3895b7c8b 100644
--- a/tools/bpf/bpftool/net.c
+++ b/tools/bpf/bpftool/net.c
@@ -7,7 +7,8 @@
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
-#include <libbpf.h>
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
#include <net/if.h>
#include <linux/if.h>
#include <linux/rtnetlink.h>
@@ -16,9 +17,8 @@
#include <sys/stat.h>
#include <sys/types.h>

-#include <bpf.h>
-#include <nlattr.h>
-#include "libbpf_internal.h"
+#include "bpf/nlattr.h"
+#include "bpf/libbpf_internal.h"
#include "main.h"
#include "netlink_dumper.h"

diff --git a/tools/bpf/bpftool/netlink_dumper.c b/tools/bpf/bpftool/netlink_dumper.c
index 550a0f537eed..5f65140b003b 100644
--- a/tools/bpf/bpftool/netlink_dumper.c
+++ b/tools/bpf/bpftool/netlink_dumper.c
@@ -3,11 +3,11 @@

#include <stdlib.h>
#include <string.h>
-#include <libbpf.h>
+#include <bpf/libbpf.h>
#include <linux/rtnetlink.h>
#include <linux/tc_act/tc_bpf.h>

-#include <nlattr.h>
+#include "bpf/nlattr.h"
#include "main.h"
#include "netlink_dumper.h"

diff --git a/tools/bpf/bpftool/perf.c b/tools/bpf/bpftool/perf.c
index b2046f33e23f..3341aa14acda 100644
--- a/tools/bpf/bpftool/perf.c
+++ b/tools/bpf/bpftool/perf.c
@@ -13,7 +13,7 @@
#include <unistd.h>
#include <ftw.h>

-#include <bpf.h>
+#include <bpf/bpf.h>

#include "main.h"

diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c
index 47a61ac42dc0..a3521deca869 100644
--- a/tools/bpf/bpftool/prog.c
+++ b/tools/bpf/bpftool/prog.c
@@ -17,9 +17,9 @@
#include <linux/err.h>
#include <linux/sizes.h>

-#include <bpf.h>
-#include <btf.h>
-#include <libbpf.h>
+#include <bpf/bpf.h>
+#include <bpf/btf.h>
+#include <bpf/libbpf.h>

#include "cfg.h"
#include "main.h"
diff --git a/tools/bpf/bpftool/xlated_dumper.c b/tools/bpf/bpftool/xlated_dumper.c
index 5b91ee65a080..8608cd68cdd0 100644
--- a/tools/bpf/bpftool/xlated_dumper.c
+++ b/tools/bpf/bpftool/xlated_dumper.c
@@ -7,7 +7,7 @@
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
-#include <libbpf.h>
+#include <bpf/libbpf.h>

#include "disasm.h"
#include "json_writer.h"

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