rdma: Properly mark RDMAtool license

[mirror_iproute2.git] / include / bpf_elf.h

diff --git a/include/bpf_elf.h b/include/bpf_elf.h
index 4bd6bb00420359879ce7e4717fb40777ada75546..84e8ae00834c8b025f03e865e7b7af2d8e95dfb9 100644 (file)
--- a/include/bpf_elf.h
+++ b/include/bpf_elf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __BPF_ELF__
 #define __BPF_ELF__
 
@@ -15,19 +16,38 @@
 /* ELF section names, etc */
 #define ELF_SECTION_LICENSE    "license"
 #define ELF_SECTION_MAPS       "maps"
+#define ELF_SECTION_PROG       "prog"
 #define ELF_SECTION_CLASSIFIER "classifier"
 #define ELF_SECTION_ACTION     "action"
 
 #define ELF_MAX_MAPS           64
 #define ELF_MAX_LICENSE_LEN    128
 
+/* Object pinning settings */
+#define PIN_NONE               0
+#define PIN_OBJECT_NS          1
+#define PIN_GLOBAL_NS          2
+
 /* ELF map definition */
 struct bpf_elf_map {
        __u32 type;
        __u32 size_key;
        __u32 size_value;
        __u32 max_elem;
+       __u32 flags;
        __u32 id;
+       __u32 pinning;
+       __u32 inner_id;
+       __u32 inner_idx;
 };
 
+#define BPF_ANNOTATE_KV_PAIR(name, type_key, type_val)         \
+       struct ____btf_map_##name {                             \
+               type_key key;                                   \
+               type_val value;                                 \
+       };                                                      \
+       struct ____btf_map_##name                               \
+           __attribute__ ((section(".maps." #name), used))     \
+           ____btf_map_##name = { }
+
 #endif /* __BPF_ELF__ */