tprogs-y += xdp_tx_iptunnel
tprogs-y += test_map_in_map
tprogs-y += per_socket_stats_example
-tprogs-y += xdp_redirect
-tprogs-y += xdp_redirect_map
-tprogs-y += xdp_redirect_map_multi
-tprogs-y += xdp_redirect_cpu
-tprogs-y += xdp_monitor
tprogs-y += xdp_rxq_info
tprogs-y += syscall_tp
tprogs-y += cpustat
tprogs-y += ibumad
tprogs-y += hbm
+tprogs-y += xdp_redirect_cpu
+tprogs-y += xdp_redirect_map_multi
+tprogs-y += xdp_redirect_map
+tprogs-y += xdp_redirect
+tprogs-y += xdp_monitor
+
# Libbpf dependencies
LIBBPF = $(TOOLS_PATH)/lib/bpf/libbpf.a
CGROUP_HELPERS := ../../tools/testing/selftests/bpf/cgroup_helpers.o
TRACE_HELPERS := ../../tools/testing/selftests/bpf/trace_helpers.o
+XDP_SAMPLE := xdp_sample_user.o
fds_example-objs := fds_example.o
sockex1-objs := sockex1_user.o
xdp_tx_iptunnel-objs := xdp_tx_iptunnel_user.o
test_map_in_map-objs := test_map_in_map_user.o
per_socket_stats_example-objs := cookie_uid_helper_example.o
-xdp_redirect-objs := xdp_redirect_user.o
-xdp_redirect_map-objs := xdp_redirect_map_user.o
-xdp_redirect_map_multi-objs := xdp_redirect_map_multi_user.o
-xdp_redirect_cpu-objs := xdp_redirect_cpu_user.o
-xdp_monitor-objs := xdp_monitor_user.o
xdp_rxq_info-objs := xdp_rxq_info_user.o
syscall_tp-objs := syscall_tp_user.o
cpustat-objs := cpustat_user.o
ibumad-objs := ibumad_user.o
hbm-objs := hbm.o $(CGROUP_HELPERS)
+xdp_redirect_map_multi-objs := xdp_redirect_map_multi_user.o $(XDP_SAMPLE)
+xdp_redirect_cpu-objs := xdp_redirect_cpu_user.o $(XDP_SAMPLE)
+xdp_redirect_map-objs := xdp_redirect_map_user.o $(XDP_SAMPLE)
+xdp_redirect-objs := xdp_redirect_user.o $(XDP_SAMPLE)
+xdp_monitor-objs := xdp_monitor_user.o $(XDP_SAMPLE)
+
# Tell kbuild to always build the programs
always-y := $(tprogs-y)
always-y += sockex1_kern.o
always-y += tcp_basertt_kern.o
always-y += tcp_tos_reflect_kern.o
always-y += tcp_dumpstats_kern.o
-always-y += xdp_redirect_kern.o
-always-y += xdp_redirect_map_kern.o
-always-y += xdp_redirect_map_multi_kern.o
-always-y += xdp_redirect_cpu_kern.o
-always-y += xdp_monitor_kern.o
always-y += xdp_rxq_info_kern.o
always-y += xdp2skb_meta_kern.o
always-y += syscall_tp_kern.o
$(MAKE) -C $(dir $@) RM='rm -rf' EXTRA_CFLAGS="$(TPROGS_CFLAGS)" \
LDFLAGS=$(TPROGS_LDFLAGS) srctree=$(BPF_SAMPLES_PATH)/../../ O=
+BPFTOOLDIR := $(TOOLS_PATH)/bpf/bpftool
+BPFTOOL := $(BPFTOOLDIR)/bpftool
+$(BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile)
+ $(MAKE) -C $(BPFTOOLDIR) srctree=$(BPF_SAMPLES_PATH)/../../
+
$(obj)/syscall_nrs.h: $(obj)/syscall_nrs.s FORCE
$(call filechk,offsets,__SYSCALL_NRS_H__)
$(BPF_SAMPLES_PATH)/*.c: verify_target_bpf $(LIBBPF)
$(src)/*.c: verify_target_bpf $(LIBBPF)
+$(obj)/xdp_redirect_cpu_user.o: $(obj)/xdp_redirect_cpu.skel.h
+$(obj)/xdp_redirect_map_multi_user.o: $(obj)/xdp_redirect_map_multi.skel.h
+$(obj)/xdp_redirect_map_user.o: $(obj)/xdp_redirect_map.skel.h
+$(obj)/xdp_redirect_user.o: $(obj)/xdp_redirect.skel.h
+$(obj)/xdp_monitor_user.o: $(obj)/xdp_monitor.skel.h
+
$(obj)/tracex5_kern.o: $(obj)/syscall_nrs.h
$(obj)/hbm_out_kern.o: $(src)/hbm.h $(src)/hbm_kern.h
$(obj)/hbm.o: $(src)/hbm.h
-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 ?= $(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 > $@
+else
+ $(Q)cp "$(VMLINUX_H)" $@
+endif
+
+clean-files += vmlinux.h
+
+# Get Clang's default includes on this system, as opposed to those seen by
+# '-target bpf'. This fixes "missing" files on some architectures/distros,
+# such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc.
+#
+# Use '-idirafter': Don't interfere with include mechanics except where the
+# build would have failed anyways.
+define get_sys_includes
+$(shell $(1) -v -E - </dev/null 2>&1 \
+ | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \
+$(shell $(1) -dM -E - </dev/null | grep '#define __riscv_xlen ' | sed 's/#define /-D/' | sed 's/ /=/')
+endef
+
+CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG))
+
+$(obj)/xdp_redirect_cpu.bpf.o: $(obj)/xdp_sample.bpf.o
+$(obj)/xdp_redirect_map_multi.bpf.o: $(obj)/xdp_sample.bpf.o
+$(obj)/xdp_redirect_map.bpf.o: $(obj)/xdp_sample.bpf.o
+$(obj)/xdp_redirect.bpf.o: $(obj)/xdp_sample.bpf.o
+$(obj)/xdp_monitor.bpf.o: $(obj)/xdp_sample.bpf.o
+
+$(obj)/%.bpf.o: $(src)/%.bpf.c $(obj)/vmlinux.h $(src)/xdp_sample.bpf.h $(src)/xdp_sample_shared.h
+ @echo " CLANG-BPF " $@
+ $(Q)$(CLANG) -g -O2 -target bpf -D__TARGET_ARCH_$(SRCARCH) \
+ -Wno-compare-distinct-pointer-types -I$(srctree)/include \
+ -I$(srctree)/samples/bpf -I$(srctree)/tools/include \
+ -I$(srctree)/tools/lib $(CLANG_SYS_INCLUDES) \
+ -c $(filter %.bpf.c,$^) -o $@
+
+LINKED_SKELS := xdp_redirect_cpu.skel.h xdp_redirect_map_multi.skel.h \
+ xdp_redirect_map.skel.h xdp_redirect.skel.h xdp_monitor.skel.h
+clean-files += $(LINKED_SKELS)
+
+xdp_redirect_cpu.skel.h-deps := xdp_redirect_cpu.bpf.o xdp_sample.bpf.o
+xdp_redirect_map_multi.skel.h-deps := xdp_redirect_map_multi.bpf.o xdp_sample.bpf.o
+xdp_redirect_map.skel.h-deps := xdp_redirect_map.bpf.o xdp_sample.bpf.o
+xdp_redirect.skel.h-deps := xdp_redirect.bpf.o xdp_sample.bpf.o
+xdp_monitor.skel.h-deps := xdp_monitor.bpf.o xdp_sample.bpf.o
+
+LINKED_BPF_SRCS := $(patsubst %.bpf.o,%.bpf.c,$(foreach skel,$(LINKED_SKELS),$($(skel)-deps)))
+
+BPF_SRCS_LINKED := $(notdir $(wildcard $(src)/*.bpf.c))
+BPF_OBJS_LINKED := $(patsubst %.bpf.c,$(obj)/%.bpf.o, $(BPF_SRCS_LINKED))
+BPF_SKELS_LINKED := $(addprefix $(obj)/,$(LINKED_SKELS))
+
+$(BPF_SKELS_LINKED): $(BPF_OBJS_LINKED) $(BPFTOOL)
+ @echo " BPF GEN-OBJ " $(@:.skel.h=)
+ $(Q)$(BPFTOOL) gen object $(@:.skel.h=.lbpf.o) $(addprefix $(obj)/,$($(@F)-deps))
+ @echo " BPF GEN-SKEL" $(@:.skel.h=)
+ $(Q)$(BPFTOOL) gen skeleton $(@:.skel.h=.lbpf.o) name $(notdir $(@:.skel.h=)) > $@
+
# asm/sysreg.h - inline assembly used by it is incompatible with llvm.
# But, there is no easy way to fix it, so just exclude it since it is
# useless for BPF samples.
projects / linux-2.6-microblaze.git / blobdiff