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Message-ID: <20181004025750.498303-6-ast@kernel.org>
Date:   Wed, 3 Oct 2018 19:57:49 -0700
From:   Alexei Starovoitov <ast@...nel.org>
To:     "David S . Miller" <davem@...emloft.net>
CC:     <daniel@...earbox.net>, <luto@...capital.net>,
        <viro@...iv.linux.org.uk>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <kernel-team@...com>
Subject: [PATCH bpf-next 5/6] libbpf: support BPF_CGROUP_FILE_OPEN in libbpf

add support for BPF_CGROUP_FILE_OPEN in libbpf

Signed-off-by: Alexei Starovoitov <ast@...nel.org>
---
 tools/lib/bpf/libbpf.c                    | 3 +++
 tools/testing/selftests/bpf/bpf_helpers.h | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 9e68fd9fcfca..ceb06d4cb20a 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -1503,6 +1503,7 @@ static bool bpf_prog_type__needs_kver(enum bpf_prog_type type)
 	case BPF_PROG_TYPE_LIRC_MODE2:
 	case BPF_PROG_TYPE_SK_REUSEPORT:
 	case BPF_PROG_TYPE_FLOW_DISSECTOR:
+	case BPF_PROG_TYPE_FILE_FILTER:
 		return false;
 	case BPF_PROG_TYPE_UNSPEC:
 	case BPF_PROG_TYPE_KPROBE:
@@ -2162,6 +2163,8 @@ static const struct {
 						BPF_CGROUP_UDP4_SENDMSG),
 	BPF_EAPROG_SEC("cgroup/sendmsg6",	BPF_PROG_TYPE_CGROUP_SOCK_ADDR,
 						BPF_CGROUP_UDP6_SENDMSG),
+	BPF_APROG_SEC("cgroup/file_open",	BPF_PROG_TYPE_FILE_FILTER,
+						BPF_CGROUP_FILE_OPEN),
 };
 
 #undef BPF_PROG_SEC_IMPL
diff --git a/tools/testing/selftests/bpf/bpf_helpers.h b/tools/testing/selftests/bpf/bpf_helpers.h
index 1d407b3494f9..2d5b1a2652e2 100644
--- a/tools/testing/selftests/bpf/bpf_helpers.h
+++ b/tools/testing/selftests/bpf/bpf_helpers.h
@@ -155,6 +155,8 @@ static struct bpf_sock *(*bpf_sk_lookup_udp)(void *ctx,
 	(void *) BPF_FUNC_sk_lookup_udp;
 static int (*bpf_sk_release)(struct bpf_sock *sk) =
 	(void *) BPF_FUNC_sk_release;
+static int (*bpf_get_file_path)(struct bpf_file_info *file, void *buf, int size) =
+	(void *) BPF_FUNC_get_file_path;
 
 /* llvm builtin functions that eBPF C program may use to
  * emit BPF_LD_ABS and BPF_LD_IND instructions
-- 
2.17.1

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