From: Jesper Dangaard Brouer <brouer@redhat.com>
Date: Tue, 9 Jun 2020 15:31:52 +0200
Subject: bpf: Selftests and tools use struct bpf_devmap_val from uapi
Patch-mainline: v5.8-rc1
Git-commit: 042b1545fe47788e734b0f074a8ae65856015cdf
References: bsc#1177028
Sync tools uapi bpf.h header file and update selftests that use
struct bpf_devmap_val.
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/159170951195.2102545.1833108712124273987.stgit@firesoul
Acked-by: Gary Lin <glin@suse.com>
---
tools/include/uapi/linux/bpf.h | 13 ++++++++++
tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c | 8 ------
tools/testing/selftests/bpf/progs/test_xdp_devmap_helpers.c | 2 -
tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c | 3 --
4 files changed, 15 insertions(+), 11 deletions(-)
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -3760,6 +3760,19 @@ struct xdp_md {
__u32 egress_ifindex; /* txq->dev->ifindex */
};
+/* DEVMAP map-value layout
+ *
+ * The struct data-layout of map-value is a configuration interface.
+ * New members can only be added to the end of this structure.
+ */
+struct bpf_devmap_val {
+ __u32 ifindex; /* device index */
+ union {
+ int fd; /* prog fd on map write */
+ __u32 id; /* prog id on map read */
+ } bpf_prog;
+};
+
enum sk_action {
SK_DROP = 0,
SK_PASS,
--- a/tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c
@@ -8,14 +8,6 @@
#define IFINDEX_LO 1
-struct bpf_devmap_val {
- u32 ifindex; /* device index */
- union {
- int fd; /* prog fd on map write */
- u32 id; /* prog id on map read */
- } bpf_prog;
-};
-
void test_xdp_with_devmap_helpers(void)
{
struct test_xdp_with_devmap_helpers *skel;
--- a/tools/testing/selftests/bpf/progs/test_xdp_devmap_helpers.c
+++ b/tools/testing/selftests/bpf/progs/test_xdp_devmap_helpers.c
@@ -2,7 +2,7 @@
/* fails to load without expected_attach_type = BPF_XDP_DEVMAP
* because of access to egress_ifindex
*/
-#include "vmlinux.h"
+#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
SEC("xdp_dm_log")
--- a/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c
+++ b/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
-
-#include "vmlinux.h"
+#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
struct {