Commit | Line | Data |
---|---|---|
b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
618e165b | 2 | |
d498f871 | 3 | LIBDIR := ../../../lib |
e8f1f34a | 4 | BPFDIR := $(LIBDIR)/bpf |
02ea80b1 DB |
5 | APIDIR := ../../../include/uapi |
6 | GENDIR := ../../../../include/generated | |
7 | GENHDR := $(GENDIR)/autoconf.h | |
d498f871 | 8 | |
02ea80b1 DB |
9 | ifneq ($(wildcard $(GENHDR)),) |
10 | GENFLAGS := -DHAVE_GENHDR | |
11 | endif | |
12 | ||
3ef84346 JW |
13 | CLANG ?= clang |
14 | LLC ?= llc | |
15 | LLVM_OBJCOPY ?= llvm-objcopy | |
16 | LLVM_READELF ?= llvm-readelf | |
17 | BTF_PAHOLE ?= pahole | |
d0cabbb0 | 18 | CFLAGS += -Wall -O2 -I$(APIDIR) -I$(LIBDIR) -I$(BPFDIR) -I$(GENDIR) $(GENFLAGS) -I../../../include |
af32efee | 19 | LDLIBS += -lcap -lelf -lrt -lpthread |
5aa5bd14 | 20 | |
f09b2e38 | 21 | # Order correspond to 'make run_tests' order |
18b3ad90 | 22 | TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \ |
1d436885 | 23 | test_align test_verifier_log test_dev_cgroup test_tcpbpf_user \ |
194db0d9 | 24 | test_sock test_btf test_sockmap test_lirc_mode2_user get_cgroup_id_user \ |
371e4fcc | 25 | test_socket_cookie test_cgroup_storage test_select_reuseport test_section_names \ |
435f90a3 | 26 | test_netcnt test_tcpnotify_user |
6882804c | 27 | |
3ef84346 JW |
28 | BPF_OBJ_FILES = \ |
29 | test_xdp_redirect.o test_xdp_meta.o sockmap_parse_prog.o \ | |
30 | sockmap_verdict_prog.o dev_cgroup.o sample_ret0.o \ | |
31 | test_tcpnotify_kern.o sample_map_ret0.o test_tcpbpf_kern.o \ | |
32 | sockmap_tcp_msg_prog.o connect4_prog.o connect6_prog.o \ | |
33 | test_btf_haskv.o test_btf_nokv.o test_sockmap_kern.o \ | |
34 | test_tunnel_kern.o test_sockhash_kern.o test_lwt_seg6local.o \ | |
35 | sendmsg4_prog.o sendmsg6_prog.o test_lirc_mode2_kern.o \ | |
5ecd8c22 | 36 | get_cgroup_id_kern.o socket_cookie_prog.o test_select_reuseport_kern.o \ |
3ef84346 | 37 | test_skb_cgroup_id_kern.o bpf_flow.o netcnt_prog.o test_xdp_vlan.o \ |
4afe60a9 | 38 | xdp_dummy.o test_map_in_map.o |
5aa5bd14 | 39 | |
3ef84346 JW |
40 | # Objects are built with default compilation flags and with sub-register |
41 | # code-gen enabled. | |
42 | BPF_OBJ_FILES_DUAL_COMPILE = \ | |
43 | test_pkt_access.o test_pkt_access.o test_xdp.o test_adjust_tail.o \ | |
44 | test_l4lb.o test_l4lb_noinline.o test_xdp_noinline.o test_tcp_estats.o \ | |
45 | test_obj_id.o test_pkt_md_access.o test_tracepoint.o \ | |
46 | test_stacktrace_map.o test_stacktrace_map.o test_stacktrace_build_id.o \ | |
47 | test_stacktrace_build_id.o test_get_stack_rawtp.o \ | |
48 | test_get_stack_rawtp.o test_tracepoint.o test_sk_lookup_kern.o \ | |
49 | test_queue_map.o test_stack_map.o | |
50 | ||
51 | TEST_GEN_FILES = $(BPF_OBJ_FILES) $(BPF_OBJ_FILES_DUAL_COMPILE) | |
52 | ||
53 | # Also test sub-register code-gen if LLVM + kernel both has eBPF v3 processor | |
54 | # support which is the first version to contain both ALU32 and JMP32 | |
55 | # instructions. | |
56 | SUBREG_CODEGEN := $(shell echo "int cal(int a) { return a > 0; }" | \ | |
57 | $(CLANG) -target bpf -O2 -emit-llvm -S -x c - -o - | \ | |
58 | $(LLC) -mattr=+alu32 -mcpu=probe 2>&1 | \ | |
59 | grep 'if w') | |
60 | ifneq ($(SUBREG_CODEGEN),) | |
61 | TEST_GEN_FILES += $(patsubst %.o,alu32/%.o, $(BPF_OBJ_FILES_DUAL_COMPILE)) | |
62 | endif | |
63 | ||
f09b2e38 JDB |
64 | # Order correspond to 'make run_tests' order |
65 | TEST_PROGS := test_kmod.sh \ | |
66 | test_libbpf.sh \ | |
67 | test_xdp_redirect.sh \ | |
68 | test_xdp_meta.sh \ | |
622adafb | 69 | test_offload.py \ |
933a741e | 70 | test_sock_addr.sh \ |
c99a84ea | 71 | test_tunnel.sh \ |
6bdd533c | 72 | test_lwt_seg6local.sh \ |
5ecd8c22 | 73 | test_lirc_mode2.sh \ |
50b3ed57 | 74 | test_skb_cgroup_id.sh \ |
97396ff0 JDB |
75 | test_flow_dissector.sh \ |
76 | test_xdp_vlan.sh | |
5aa5bd14 | 77 | |
f98937c6 AR |
78 | TEST_PROGS_EXTENDED := with_addr.sh \ |
79 | tcp_client.py \ | |
80 | tcp_server.py | |
ef4ab844 | 81 | |
f09b2e38 | 82 | # Compile but not part of 'make run_tests' |
50b3ed57 PP |
83 | TEST_GEN_PROGS_EXTENDED = test_libbpf_open test_sock_addr test_skb_cgroup_id_user \ |
84 | flow_dissector_load test_flow_dissector | |
f09b2e38 | 85 | |
e8f1f34a ZSL |
86 | include ../lib.mk |
87 | ||
3ef84346 JW |
88 | # NOTE: $(OUTPUT) won't get default value if used before lib.mk |
89 | TEST_CUSTOM_PROGS = $(OUTPUT)/urandom_read | |
90 | all: $(TEST_CUSTOM_PROGS) | |
91 | ||
92 | $(OUTPUT)/urandom_read: $(OUTPUT)/%: %.c | |
93 | $(CC) -o $@ -static $< -Wl,--build-id | |
94 | ||
41757dcb | 95 | BPFOBJ := $(OUTPUT)/libbpf.a |
e8f1f34a ZSL |
96 | |
97 | $(TEST_GEN_PROGS): $(BPFOBJ) | |
1da8ac7c | 98 | |
f09b2e38 JDB |
99 | $(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/libbpf.a |
100 | ||
41757dcb | 101 | $(OUTPUT)/test_dev_cgroup: cgroup_helpers.c |
5ecd8c22 | 102 | $(OUTPUT)/test_skb_cgroup_id_user: cgroup_helpers.c |
1d436885 | 103 | $(OUTPUT)/test_sock: cgroup_helpers.c |
e50b0a6f | 104 | $(OUTPUT)/test_sock_addr: cgroup_helpers.c |
194db0d9 | 105 | $(OUTPUT)/test_socket_cookie: cgroup_helpers.c |
16962b24 | 106 | $(OUTPUT)/test_sockmap: cgroup_helpers.c |
c65267e5 | 107 | $(OUTPUT)/test_tcpbpf_user: cgroup_helpers.c |
435f90a3 | 108 | $(OUTPUT)/test_tcpnotify_user: cgroup_helpers.c trace_helpers.c |
173965fb | 109 | $(OUTPUT)/test_progs: trace_helpers.c |
f269099a | 110 | $(OUTPUT)/get_cgroup_id_user: cgroup_helpers.c |
68cfa3ac | 111 | $(OUTPUT)/test_cgroup_storage: cgroup_helpers.c |
371e4fcc | 112 | $(OUTPUT)/test_netcnt: cgroup_helpers.c |
41757dcb | 113 | |
e8f1f34a | 114 | .PHONY: force |
d498f871 | 115 | |
d498f871 MS |
116 | # force a rebuild of BPFOBJ when its dependencies are updated |
117 | force: | |
118 | ||
119 | $(BPFOBJ): force | |
e8f1f34a | 120 | $(MAKE) -C $(BPFDIR) OUTPUT=$(OUTPUT)/ |
6882804c | 121 | |
cd95a892 | 122 | PROBE := $(shell $(LLC) -march=bpf -mcpu=probe -filetype=null /dev/null 2>&1) |
22c88526 DB |
123 | |
124 | # Let newer LLVM versions transparently probe the kernel for availability | |
125 | # of full BPF instruction set. | |
126 | ifeq ($(PROBE),) | |
127 | CPU ?= probe | |
128 | else | |
129 | CPU ?= generic | |
130 | endif | |
6882804c | 131 | |
167381f3 SB |
132 | # Get Clang's default includes on this system, as opposed to those seen by |
133 | # '-target bpf'. This fixes "missing" files on some architectures/distros, | |
134 | # such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc. | |
135 | # | |
136 | # Use '-idirafter': Don't interfere with include mechanics except where the | |
137 | # build would have failed anyways. | |
138 | CLANG_SYS_INCLUDES := $(shell $(CLANG) -v -E - </dev/null 2>&1 \ | |
139 | | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') | |
140 | ||
3bc35c63 | 141 | CLANG_FLAGS = -I. -I./include/uapi -I../../../include/uapi \ |
167381f3 | 142 | $(CLANG_SYS_INCLUDES) \ |
3bc35c63 AS |
143 | -Wno-compare-distinct-pointer-types |
144 | ||
145 | $(OUTPUT)/test_l4lb_noinline.o: CLANG_FLAGS += -fno-inline | |
b0b04fc4 | 146 | $(OUTPUT)/test_xdp_noinline.o: CLANG_FLAGS += -fno-inline |
3bc35c63 | 147 | |
43b987d2 MV |
148 | $(OUTPUT)/test_queue_map.o: test_queue_stack_map.h |
149 | $(OUTPUT)/test_stack_map.o: test_queue_stack_map.h | |
150 | ||
91bc07c9 JS |
151 | BTF_LLC_PROBE := $(shell $(LLC) -march=bpf -mattr=help 2>&1 | grep dwarfris) |
152 | BTF_PAHOLE_PROBE := $(shell $(BTF_PAHOLE) --help 2>&1 | grep BTF) | |
7c3e8b64 | 153 | BTF_OBJCOPY_PROBE := $(shell $(LLVM_OBJCOPY) --help 2>&1 | grep -i 'usage.*llvm') |
9ce6ae22 YS |
154 | BTF_LLVM_PROBE := $(shell echo "int main() { return 0; }" | \ |
155 | $(CLANG) -target bpf -O2 -g -c -x c - -o ./llvm_btf_verify.o; \ | |
2f092126 | 156 | $(LLVM_READELF) -S ./llvm_btf_verify.o | grep BTF; \ |
9ce6ae22 | 157 | /bin/rm -f ./llvm_btf_verify.o) |
c0fa1b6c | 158 | |
9ce6ae22 YS |
159 | ifneq ($(BTF_LLVM_PROBE),) |
160 | CLANG_FLAGS += -g | |
161 | else | |
c0fa1b6c MKL |
162 | ifneq ($(BTF_LLC_PROBE),) |
163 | ifneq ($(BTF_PAHOLE_PROBE),) | |
164 | ifneq ($(BTF_OBJCOPY_PROBE),) | |
165 | CLANG_FLAGS += -g | |
166 | LLC_FLAGS += -mattr=dwarfris | |
167 | DWARF2BTF = y | |
168 | endif | |
169 | endif | |
170 | endif | |
9ce6ae22 | 171 | endif |
c0fa1b6c | 172 | |
3ef84346 JW |
173 | ifneq ($(SUBREG_CODEGEN),) |
174 | ALU32_BUILD_DIR = $(OUTPUT)/alu32 | |
175 | TEST_CUSTOM_PROGS += $(ALU32_BUILD_DIR)/test_progs_32 | |
176 | $(ALU32_BUILD_DIR): | |
177 | mkdir -p $@ | |
178 | ||
179 | $(ALU32_BUILD_DIR)/urandom_read: $(OUTPUT)/urandom_read | |
180 | cp $< $@ | |
181 | ||
182 | $(ALU32_BUILD_DIR)/test_progs_32: test_progs.c $(ALU32_BUILD_DIR) \ | |
183 | $(ALU32_BUILD_DIR)/urandom_read | |
184 | $(CC) $(CFLAGS) -o $(ALU32_BUILD_DIR)/test_progs_32 $< \ | |
185 | trace_helpers.c $(OUTPUT)/libbpf.a $(LDLIBS) | |
186 | ||
187 | $(ALU32_BUILD_DIR)/%.o: %.c $(ALU32_BUILD_DIR) $(ALU32_BUILD_DIR)/test_progs_32 | |
188 | $(CLANG) $(CLANG_FLAGS) \ | |
189 | -O2 -target bpf -emit-llvm -c $< -o - | \ | |
190 | $(LLC) -march=bpf -mattr=+alu32 -mcpu=$(CPU) $(LLC_FLAGS) \ | |
191 | -filetype=obj -o $@ | |
192 | ifeq ($(DWARF2BTF),y) | |
193 | $(BTF_PAHOLE) -J $@ | |
194 | endif | |
195 | endif | |
196 | ||
f96afa76 QM |
197 | # Have one program compiled without "-target bpf" to test whether libbpf loads |
198 | # it successfully | |
199 | $(OUTPUT)/test_xdp.o: test_xdp.c | |
200 | $(CLANG) $(CLANG_FLAGS) \ | |
201 | -O2 -emit-llvm -c $< -o - | \ | |
202 | $(LLC) -march=bpf -mcpu=$(CPU) $(LLC_FLAGS) -filetype=obj -o $@ | |
203 | ifeq ($(DWARF2BTF),y) | |
204 | $(BTF_PAHOLE) -J $@ | |
205 | endif | |
c0fa1b6c | 206 | |
62a06994 | 207 | $(OUTPUT)/%.o: %.c |
3bc35c63 | 208 | $(CLANG) $(CLANG_FLAGS) \ |
22c88526 | 209 | -O2 -target bpf -emit-llvm -c $< -o - | \ |
c0fa1b6c MKL |
210 | $(LLC) -march=bpf -mcpu=$(CPU) $(LLC_FLAGS) -filetype=obj -o $@ |
211 | ifeq ($(DWARF2BTF),y) | |
212 | $(BTF_PAHOLE) -J $@ | |
213 | endif | |
81f77fd0 | 214 | |
3ef84346 | 215 | EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(ALU32_BUILD_DIR) |