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-rw-r--r--tools/include/linux/filter.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/tools/include/linux/filter.h b/tools/include/linux/filter.h
index 3276625595b2..122153b16ea4 100644
--- a/tools/include/linux/filter.h
+++ b/tools/include/linux/filter.h
@@ -218,6 +218,30 @@
.off = OFF, \
.imm = IMM })
+/* BPF_LD_IMM64 macro encodes single 'load 64-bit immediate' insn */
+
+#define BPF_LD_IMM64(DST, IMM) \
+ BPF_LD_IMM64_RAW(DST, 0, IMM)
+
+#define BPF_LD_IMM64_RAW(DST, SRC, IMM) \
+ ((struct bpf_insn) { \
+ .code = BPF_LD | BPF_DW | BPF_IMM, \
+ .dst_reg = DST, \
+ .src_reg = SRC, \
+ .off = 0, \
+ .imm = (__u32) (IMM) }), \
+ ((struct bpf_insn) { \
+ .code = 0, /* zero is reserved opcode */ \
+ .dst_reg = 0, \
+ .src_reg = 0, \
+ .off = 0, \
+ .imm = ((__u64) (IMM)) >> 32 })
+
+/* pseudo BPF_LD_IMM64 insn used to refer to process-local map_fd */
+
+#define BPF_LD_MAP_FD(DST, MAP_FD) \
+ BPF_LD_IMM64_RAW(DST, BPF_PSEUDO_MAP_FD, MAP_FD)
+
/* Program exit */
#define BPF_EXIT_INSN() \