From: Constantine Shulyupin <const@MakeLinux.com>
To: jakub.kicinski@netronome.com,
Masahiro Yamada <yamada.masahiro@socionext.com>,
Michal Marek <michal.lkml@markovi.net>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
linux-kernel@vger.kernel.org (open list),
netdev@vger.kernel.org (open list:BPF (Safe dynamic programs and
tools))
Cc: Constantine Shulyupin <const@MakeLinux.com>
Subject: [PATCH v1] bpf: fix compilation of samples/bpf/
Date: Sat, 7 Jul 2018 17:52:03 +0300 [thread overview]
Message-ID: <20180707145240.23544-1-const@MakeLinux.com> (raw)
Example of errors:
samples/bpf/test_lru_dist.c:39:8: error: redefinition of ‘struct list_head’
struct list_head {
^~~~~~~~~
In file included from samples/bpf/test_lru_dist.c:9:0:
./tools/include/linux/types.h:69:8: note: originally defined here
In file included from samples/bpf/sock_example.c:27:0:
/usr/include/linux/ip.h:102:2: error: unknown type name ‘__sum16’
samples/bpf/bpf_load.c: In function ‘load_and_attach’:
samples/bpf/bpf_load.c:90:15: error: ‘BPF_PROG_TYPE_RAW_TRACEPOINT’ undeclared (first use in this function); did you mean ‘BPF_PROG_TYPE_TRACEPOINT’?
samples/bpf/xdpsock_user.c:10:10: fatal error: linux/if_xdp.h: No such file or directory
samples/bpf/task_fd_query_user.c: In function ‘test_debug_fs_uprobe’:
samples/bpf/task_fd_query_user.c:270:31: error: ‘BPF_FD_TYPE_URETPROBE’ undeclared (first use in this function); did you mean ‘BPF_PROG_TYPE_KPROBE’?
samples/bpf/parse_varlen.c:111:8: error: redefinition of 'vlan_hdr'
struct vlan_hdr {
^
./include/linux/if_vlan.h:38:8: note: previous definition is here
Signed-off-by: Constantine Shulyupin <const@MakeLinux.com>
---
Makefile | 1 +
samples/bpf/Makefile | 5 +++--
samples/bpf/xdp_sample_pkts_user.c | 3 +++
3 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/Makefile b/Makefile
index d15ac32afbaf..824006258319 100644
--- a/Makefile
+++ b/Makefile
@@ -441,6 +441,7 @@ export KBUILD_AFLAGS AFLAGS_KERNEL AFLAGS_MODULE
export KBUILD_AFLAGS_MODULE KBUILD_CFLAGS_MODULE KBUILD_LDFLAGS_MODULE
export KBUILD_AFLAGS_KERNEL KBUILD_CFLAGS_KERNEL
export KBUILD_ARFLAGS
+export USERINCLUDE
# When compiling out-of-tree modules, put MODVERDIR in the module
# tree rather than in the kernel tree. The kernel tree might
diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
index 9ea2f7b64869..991273c81459 100644
--- a/samples/bpf/Makefile
+++ b/samples/bpf/Makefile
@@ -167,11 +167,12 @@ always += xdp_fwd_kern.o
always += task_fd_query_kern.o
always += xdp_sample_pkts_kern.o
-HOSTCFLAGS += -I$(objtree)/usr/include
+HOSTCFLAGS += -D__EXPORTED_HEADERS__ $(USERINCLUDE)
HOSTCFLAGS += -I$(srctree)/tools/lib/
HOSTCFLAGS += -I$(srctree)/tools/testing/selftests/bpf/
-HOSTCFLAGS += -I$(srctree)/tools/lib/ -I$(srctree)/tools/include
+HOSTCFLAGS += -I$(srctree)/tools/include
HOSTCFLAGS += -I$(srctree)/tools/perf
+HOSTCFLAGS += -I./include # for generated/autoconf.h from USERINCLUDE
HOSTCFLAGS_bpf_load.o += -I$(objtree)/usr/include -Wno-unused-variable
HOSTCFLAGS_trace_helpers.o += -I$(srctree)/tools/lib/bpf/
diff --git a/samples/bpf/xdp_sample_pkts_user.c b/samples/bpf/xdp_sample_pkts_user.c
index 8dd87c1eb560..be7329697500 100644
--- a/samples/bpf/xdp_sample_pkts_user.c
+++ b/samples/bpf/xdp_sample_pkts_user.c
@@ -15,6 +15,9 @@
#include "perf-sys.h"
#include "trace_helpers.h"
+#ifndef __packed
+#define __packed __attribute__((packed))
+#endif
#define MAX_CPUS 128
static int pmu_fds[MAX_CPUS], if_idx;
--
2.17.1
next reply other threads:[~2018-07-07 15:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-07 14:52 Constantine Shulyupin [this message]
2018-07-07 22:49 ` [PATCH v1] bpf: fix compilation of samples/bpf/ Alexei Starovoitov
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