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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
USER_TARGETS := test_xsk_refcnt check_kern_compat test_xdp_frags test_dispatcher_versions
BPF_TARGETS := xdp_dispatcher_v1 xdp_pass
USER_LIBS := -lpthread
EXTRA_DEPS += xdp_dispatcher_v1.h
EXTRA_USER_DEPS += test_utils.h
TEST_FILE := ./test-libxdp.sh
TEST_RUNNER := ./test_runner.sh
USER_C := ${USER_TARGETS:=.c}
USER_OBJ := ${USER_C:.c=.o}
BPF_OBJS := $(BPF_TARGETS:=.o)
LIB_DIR := ../..
LDLIBS += $(USER_LIBS)
include $(LIB_DIR)/defines.mk
LDFLAGS+=-L$(LIBXDP_DIR)
ifeq ($(DYNAMIC_LIBXDP),1)
LDLIBS:=-lxdp $(LDLIBS)
OBJECT_LIBXDP:=$(LIBXDP_DIR)/libxdp.so.$(LIBXDP_VERSION)
else
LDLIBS:=-l:libxdp.a $(LDLIBS)
OBJECT_LIBXDP:=$(LIBXDP_DIR)/libxdp.a
endif
# Detect submodule libbpf source file changes
ifeq ($(SYSTEM_LIBBPF),n)
LIBBPF_SOURCES := $(wildcard $(LIBBPF_DIR)/src/*.[ch])
endif
LIBXDP_SOURCES := $(wildcard $(LIBXDP_DIR)/*.[ch] $(LIBXDP_DIR)/*.in)
CFLAGS += -I$(HEADER_DIR)
BPF_HEADERS := $(wildcard $(HEADER_DIR)/bpf/*.h) $(wildcard $(HEADER_DIR)/xdp/*.h)
all: $(USER_TARGETS) $(BPF_OBJS)
.PHONY: clean
clean::
$(Q)rm -f $(USER_TARGETS) $(USER_OBJ)
$(OBJECT_LIBBPF): $(LIBBPF_SOURCES)
$(Q)$(MAKE) -C $(LIB_DIR) libbpf
$(OBJECT_LIBXDP): $(LIBXDP_SOURCES)
$(Q)$(MAKE) -C $(LIBXDP_DIR)
# Create expansions for dependencies
LIB_H := ${LIB_OBJS:.o=.h}
# Detect if any of common obj changed and create dependency on .h-files
$(LIB_OBJS): %.o: %.c %.h $(LIB_H)
$(Q)$(MAKE) -C $(dir $@) $(notdir $@)
ALL_EXEC_TARGETS=$(USER_TARGETS)
$(ALL_EXEC_TARGETS): %: %.c $(OBJECT_LIBBPF) $(OBJECT_LIBXDP) $(LIBMK) $(LIB_OBJS) $(EXTRA_DEPS) $(EXTRA_USER_DEPS)
$(QUIET_CC)$(CC) -Wall $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $@ $(LIB_OBJS) \
$< $(LDLIBS)
$(BPF_OBJS): %.o: %.c $(BPF_HEADERS) $(LIBMK) $(EXTRA_DEPS)
$(QUIET_CLANG)$(CLANG) -S \
-target $(BPF_TARGET) \
-D __BPF_TRACING__ \
$(BPF_CFLAGS) \
-Wall \
-Wno-unused-value \
-Wno-pointer-sign \
-Wno-compare-distinct-pointer-types \
-Werror \
-O2 -emit-llvm -c -g -o ${@:.o=.ll} $<
$(QUIET_LLC)$(LLC) -march=$(BPF_TARGET) -filetype=obj -o $@ ${@:.o=.ll}
run: all
$(Q)env CC="$(CC)" CFLAGS="$(CFLAGS) $(LDFLAGS)" CPPFLAGS="$(CPPFLAGS)" LDLIBS="$(LDLIBS)" V=$(V) $(TEST_RUNNER) $(TEST_FILE) $(RUN_TESTS)
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