From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexei Starovoitov Subject: [PATCH bpf-next 5/6] libbpf: support BPF_CGROUP_FILE_OPEN in libbpf Date: Wed, 3 Oct 2018 19:57:49 -0700 Message-ID: <20181004025750.498303-6-ast@kernel.org> References: <20181004025750.498303-1-ast@kernel.org> Mime-Version: 1.0 Content-Type: text/plain Cc: , , , , , To: "David S . Miller" Return-path: In-Reply-To: <20181004025750.498303-1-ast@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org add support for BPF_CGROUP_FILE_OPEN in libbpf Signed-off-by: Alexei Starovoitov --- 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