-include $(BPF_SAMPLES_PATH)/Makefile.target
-VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \
- $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \
- ../../../../vmlinux \
- /sys/kernel/btf/vmlinux \
- /boot/vmlinux-$(shell uname -r)
+VMLINUX_BTF_PATHS ?= $(abspath $(if $(O),$(O)/vmlinux)) \
+ $(abspath $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux)) \
+ $(abspath ./vmlinux)
VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS))))
-ifeq ($(VMLINUX_BTF),)
-$(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)")
-endif
-
$(obj)/vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL)
ifeq ($(VMLINUX_H),)
$(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF) format c > $@
$(Q)cp "$(VMLINUX_H)" $@
endif
+ifeq ($(VMLINUX_BTF),)
+ $(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)",\
+ build the kernel or set VMLINUX_BTF variable)
+endif
+
clean-files += vmlinux.h
# Get Clang's default includes on this system, as opposed to those seen by
#include "xdp_sample.bpf.h"
#include "xdp_sample_shared.h"
-enum {
- BPF_F_BROADCAST = (1ULL << 3),
- BPF_F_EXCLUDE_INGRESS = (1ULL << 4),
-};
-
struct {
__uint(type, BPF_MAP_TYPE_DEVMAP_HASH);
__uint(key_size, sizeof(int));