[PATCH bpf V2 2/2] bpf: selftests and tools use struct bpf_devmap_val from uapi

[Jesper Dangaard Brouer]

Sync tools uapi bpf.h header file and update selftests that use
struct bpf_devmap_val.

Signed-off-by: Jesper Dangaard Brouer <bro...@redhat.com>
---
 tools/include/uapi/linux/bpf.h                     |   13 +++++++++++++
 .../selftests/bpf/prog_tests/xdp_devmap_attach.c   |    8 --------
 .../selftests/bpf/progs/test_xdp_devmap_helpers.c  |    2 +-
 .../bpf/progs/test_xdp_with_devmap_helpers.c       |    3 +--
 4 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index c65b374a5090..19684813faae 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -3761,6 +3761,19 @@ 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,
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c 
b/tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c
index d19dbd668f6a..88ef3ec8ac4c 100644
--- 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;
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_devmap_helpers.c 
b/tools/testing/selftests/bpf/progs/test_xdp_devmap_helpers.c
index e5c0f131c8a7..b360ba2bd441 100644
--- 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")
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c 
b/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c
index deef0e050863..330811260123 100644
--- 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 {