linux-kernel - [PATCH bpf-next v4 4/5] tools: sync bpf.h

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Message-ID: <20190424190721.24453-5-mmullins@fb.com>
Date:   Wed, 24 Apr 2019 12:07:20 -0700
From:   Matt Mullins <mmullins@...com>
To:     <hall@...com>, <mmullins@...com>, <ast@...nel.org>,
        <bpf@...r.kernel.org>, <netdev@...r.kernel.org>
CC:     <linux-kernel@...r.kernel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, "Yonghong Song" <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        Andrey Ignatov <rdna@...com>,
        Quentin Monnet <quentin.monnet@...ronome.com>
Subject: [PATCH bpf-next v4 4/5] tools: sync bpf.h

This adds BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, and fixes up the

	error: enumeration value ‘BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE’ not handled in switch [-Werror=switch-enum]

build errors it would otherwise cause in libbpf.

Signed-off-by: Matt Mullins <mmullins@...com>
---
 tools/include/uapi/linux/bpf.h | 1 +
 tools/lib/bpf/libbpf.c         | 1 +
 tools/lib/bpf/libbpf_probes.c  | 1 +
 3 files changed, 3 insertions(+)

diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 3c38ac9a92a7..c5335d53ce82 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -166,6 +166,7 @@ enum bpf_prog_type {
 	BPF_PROG_TYPE_LIRC_MODE2,
 	BPF_PROG_TYPE_SK_REUSEPORT,
 	BPF_PROG_TYPE_FLOW_DISSECTOR,
+	BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE,
 };
 
 enum bpf_attach_type {
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index d5b830d60601..9b6ce703c057 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -1681,6 +1681,7 @@ static bool bpf_prog_type__needs_kver(enum bpf_prog_type type)
 	case BPF_PROG_TYPE_UNSPEC:
 	case BPF_PROG_TYPE_TRACEPOINT:
 	case BPF_PROG_TYPE_RAW_TRACEPOINT:
+	case BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE:
 	case BPF_PROG_TYPE_PERF_EVENT:
 		return false;
 	case BPF_PROG_TYPE_KPROBE:
diff --git a/tools/lib/bpf/libbpf_probes.c b/tools/lib/bpf/libbpf_probes.c
index 8c3a1c04dcb2..26eff2f39bed 100644
--- a/tools/lib/bpf/libbpf_probes.c
+++ b/tools/lib/bpf/libbpf_probes.c
@@ -93,6 +93,7 @@ probe_load(enum bpf_prog_type prog_type, const struct bpf_insn *insns,
 	case BPF_PROG_TYPE_CGROUP_DEVICE:
 	case BPF_PROG_TYPE_SK_MSG:
 	case BPF_PROG_TYPE_RAW_TRACEPOINT:
+	case BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE:
 	case BPF_PROG_TYPE_LWT_SEG6LOCAL:
 	case BPF_PROG_TYPE_LIRC_MODE2:
 	case BPF_PROG_TYPE_SK_REUSEPORT:
-- 
2.17.1