1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 2787360f8SJakub Kicinski 3787360f8SJakub KicinskiBPF_SAMPLES_PATH ?= $(abspath $(srctree)/$(src)) 4787360f8SJakub KicinskiTOOLS_PATH := $(BPF_SAMPLES_PATH)/../../tools 5787360f8SJakub Kicinski 63c731ebaSAlexei Starovoitov# List of programs to build 75db58fafSMartin KaFai Lauhostprogs-y := test_lru_dist 803f4723eSAlexei Starovoitovhostprogs-y += sock_example 942984d7cSDaniel Borkmannhostprogs-y += fds_example 10a8085782SAlexei Starovoitovhostprogs-y += sockex1 11fbe33108SAlexei Starovoitovhostprogs-y += sockex2 12530b2c86SAlexei Starovoitovhostprogs-y += sockex3 13b896c4f9SAlexei Starovoitovhostprogs-y += tracex1 14d822a192SAlexei Starovoitovhostprogs-y += tracex2 155c7fc2d2SAlexei Starovoitovhostprogs-y += tracex3 169811e353SAlexei Starovoitovhostprogs-y += tracex4 175bacd780SAlexei Starovoitovhostprogs-y += tracex5 1847efb302SKaixu Xiahostprogs-y += tracex6 19965de87eSJosef Bacikhostprogs-y += tracex7 20cf9b1199SSargun Dhillonhostprogs-y += test_probe_write_user 2139111695SAlexei Starovoitovhostprogs-y += trace_output 220fb1170eSDaniel Wagnerhostprogs-y += lathist 23a6ffe7b9SAlexei Starovoitovhostprogs-y += offwaketime 249d8b612dSAlexei Starovoitovhostprogs-y += spintest 2526e90931SAlexei Starovoitovhostprogs-y += map_perf_test 26e3edfdecSAlexei Starovoitovhostprogs-y += test_overhead 27a3f74617SMartin KaFai Lauhostprogs-y += test_cgrp2_array_pin 28d8c5b17fSDaniel Mackhostprogs-y += test_cgrp2_attach 299b474eceSSargun Dhillonhostprogs-y += test_cgrp2_attach2 30ad2805dcSDavid Ahernhostprogs-y += test_cgrp2_sock 31554ae6e7SDavid Ahernhostprogs-y += test_cgrp2_sock2 3286af8b41SBrenden Blancohostprogs-y += xdp1 33764cbcceSBrenden Blancohostprogs-y += xdp2 343e29cd0eSChristina Jacobhostprogs-y += xdp_router_ipv4 359e6e60ecSSargun Dhillonhostprogs-y += test_current_task_under_cgroup 361c47910eSAlexei Starovoitovhostprogs-y += trace_event 3772874418SBrendan Gregghostprogs-y += sampleip 3890e02896SMartin KaFai Lauhostprogs-y += tc_l2_redirect 39f74599f7SThomas Grafhostprogs-y += lwt_len_hist 4012d8bb64SMartin KaFai Lauhostprogs-y += xdp_tx_iptunnel 41fb30d4b7SMartin KaFai Lauhostprogs-y += test_map_in_map 4251570a5aSChenbo Fenghostprogs-y += per_socket_stats_example 43ae16189eSLawrence Brakmohostprogs-y += load_sock_ops 44832622e6SJohn Fastabendhostprogs-y += xdp_redirect 459d6e0052SJohn Fastabendhostprogs-y += xdp_redirect_map 46fad3917eSJesper Dangaard Brouerhostprogs-y += xdp_redirect_cpu 473ffab546SJesper Dangaard Brouerhostprogs-y += xdp_monitor 480fca931aSJesper Dangaard Brouerhostprogs-y += xdp_rxq_info 491da236b6SYonghong Songhostprogs-y += syscall_tp 50c5350777SLeo Yanhostprogs-y += cpustat 51c6ffd1ffSNikita V. Shirokovhostprogs-y += xdp_adjust_tail 52b4b8faa1SMagnus Karlssonhostprogs-y += xdpsock 53fe616055SDavid Ahernhostprogs-y += xdp_fwd 54ecb96f7fSYonghong Songhostprogs-y += task_fd_query 551e54ad25SToke Høiland-Jørgensenhostprogs-y += xdp_sample_pkts 563c731ebaSAlexei Starovoitov 5743371c83SJoe Stringer# Libbpf dependencies 58787360f8SJakub KicinskiLIBBPF = $(TOOLS_PATH)/lib/bpf/libbpf.a 59787360f8SJakub Kicinski 609d1f1594SRoman GushchinCGROUP_HELPERS := ../../tools/testing/selftests/bpf/cgroup_helpers.o 6128dbf861SYonghong SongTRACE_HELPERS := ../../tools/testing/selftests/bpf/trace_helpers.o 6243371c83SJoe Stringer 630cc54db1SJakub Kicinskifds_example-objs := bpf_load.o fds_example.o 640cc54db1SJakub Kicinskisockex1-objs := bpf_load.o sockex1_user.o 650cc54db1SJakub Kicinskisockex2-objs := bpf_load.o sockex2_user.o 660cc54db1SJakub Kicinskisockex3-objs := bpf_load.o sockex3_user.o 670cc54db1SJakub Kicinskitracex1-objs := bpf_load.o tracex1_user.o 680cc54db1SJakub Kicinskitracex2-objs := bpf_load.o tracex2_user.o 690cc54db1SJakub Kicinskitracex3-objs := bpf_load.o tracex3_user.o 700cc54db1SJakub Kicinskitracex4-objs := bpf_load.o tracex4_user.o 710cc54db1SJakub Kicinskitracex5-objs := bpf_load.o tracex5_user.o 720cc54db1SJakub Kicinskitracex6-objs := bpf_load.o tracex6_user.o 730cc54db1SJakub Kicinskitracex7-objs := bpf_load.o tracex7_user.o 740cc54db1SJakub Kicinskiload_sock_ops-objs := bpf_load.o load_sock_ops.o 750cc54db1SJakub Kicinskitest_probe_write_user-objs := bpf_load.o test_probe_write_user_user.o 760cc54db1SJakub Kicinskitrace_output-objs := bpf_load.o trace_output_user.o $(TRACE_HELPERS) 770cc54db1SJakub Kicinskilathist-objs := bpf_load.o lathist_user.o 780cc54db1SJakub Kicinskioffwaketime-objs := bpf_load.o offwaketime_user.o $(TRACE_HELPERS) 790cc54db1SJakub Kicinskispintest-objs := bpf_load.o spintest_user.o $(TRACE_HELPERS) 800cc54db1SJakub Kicinskimap_perf_test-objs := bpf_load.o map_perf_test_user.o 810cc54db1SJakub Kicinskitest_overhead-objs := bpf_load.o test_overhead_user.o 820cc54db1SJakub Kicinskitest_cgrp2_array_pin-objs := test_cgrp2_array_pin.o 830cc54db1SJakub Kicinskitest_cgrp2_attach-objs := test_cgrp2_attach.o 840cc54db1SJakub Kicinskitest_cgrp2_attach2-objs := test_cgrp2_attach2.o $(CGROUP_HELPERS) 850cc54db1SJakub Kicinskitest_cgrp2_sock-objs := test_cgrp2_sock.o 860cc54db1SJakub Kicinskitest_cgrp2_sock2-objs := bpf_load.o test_cgrp2_sock2.o 870cc54db1SJakub Kicinskixdp1-objs := xdp1_user.o 88764cbcceSBrenden Blanco# reuse xdp1 source intentionally 890cc54db1SJakub Kicinskixdp2-objs := xdp1_user.o 900cc54db1SJakub Kicinskixdp_router_ipv4-objs := bpf_load.o xdp_router_ipv4_user.o 910cc54db1SJakub Kicinskitest_current_task_under_cgroup-objs := bpf_load.o $(CGROUP_HELPERS) \ 929e6e60ecSSargun Dhillon test_current_task_under_cgroup_user.o 930cc54db1SJakub Kicinskitrace_event-objs := bpf_load.o trace_event_user.o $(TRACE_HELPERS) 940cc54db1SJakub Kicinskisampleip-objs := bpf_load.o sampleip_user.o $(TRACE_HELPERS) 950cc54db1SJakub Kicinskitc_l2_redirect-objs := bpf_load.o tc_l2_redirect_user.o 960cc54db1SJakub Kicinskilwt_len_hist-objs := bpf_load.o lwt_len_hist_user.o 970cc54db1SJakub Kicinskixdp_tx_iptunnel-objs := bpf_load.o xdp_tx_iptunnel_user.o 980cc54db1SJakub Kicinskitest_map_in_map-objs := bpf_load.o test_map_in_map_user.o 990cc54db1SJakub Kicinskiper_socket_stats_example-objs := cookie_uid_helper_example.o 1000cc54db1SJakub Kicinskixdp_redirect-objs := bpf_load.o xdp_redirect_user.o 1010cc54db1SJakub Kicinskixdp_redirect_map-objs := bpf_load.o xdp_redirect_map_user.o 1020cc54db1SJakub Kicinskixdp_redirect_cpu-objs := bpf_load.o xdp_redirect_cpu_user.o 1030cc54db1SJakub Kicinskixdp_monitor-objs := bpf_load.o xdp_monitor_user.o 1040cc54db1SJakub Kicinskixdp_rxq_info-objs := xdp_rxq_info_user.o 1050cc54db1SJakub Kicinskisyscall_tp-objs := bpf_load.o syscall_tp_user.o 1060cc54db1SJakub Kicinskicpustat-objs := bpf_load.o cpustat_user.o 1070cc54db1SJakub Kicinskixdp_adjust_tail-objs := xdp_adjust_tail_user.o 1080cc54db1SJakub Kicinskixdpsock-objs := bpf_load.o xdpsock_user.o 1090cc54db1SJakub Kicinskixdp_fwd-objs := bpf_load.o xdp_fwd_user.o 110ecb96f7fSYonghong Songtask_fd_query-objs := bpf_load.o task_fd_query_user.o $(TRACE_HELPERS) 1111e54ad25SToke Høiland-Jørgensenxdp_sample_pkts-objs := xdp_sample_pkts_user.o $(TRACE_HELPERS) 1123c731ebaSAlexei Starovoitov 1133c731ebaSAlexei Starovoitov# Tell kbuild to always build the programs 1143c731ebaSAlexei Starovoitovalways := $(hostprogs-y) 115a8085782SAlexei Starovoitovalways += sockex1_kern.o 116fbe33108SAlexei Starovoitovalways += sockex2_kern.o 117530b2c86SAlexei Starovoitovalways += sockex3_kern.o 118b896c4f9SAlexei Starovoitovalways += tracex1_kern.o 119d822a192SAlexei Starovoitovalways += tracex2_kern.o 1205c7fc2d2SAlexei Starovoitovalways += tracex3_kern.o 1219811e353SAlexei Starovoitovalways += tracex4_kern.o 1225bacd780SAlexei Starovoitovalways += tracex5_kern.o 12347efb302SKaixu Xiaalways += tracex6_kern.o 124965de87eSJosef Bacikalways += tracex7_kern.o 125554ae6e7SDavid Ahernalways += sock_flags_kern.o 126cf9b1199SSargun Dhillonalways += test_probe_write_user_kern.o 12739111695SAlexei Starovoitovalways += trace_output_kern.o 12891bc4822SAlexei Starovoitovalways += tcbpf1_kern.o 12990e02896SMartin KaFai Laualways += tc_l2_redirect_kern.o 1300fb1170eSDaniel Wagneralways += lathist_kern.o 131a6ffe7b9SAlexei Starovoitovalways += offwaketime_kern.o 1329d8b612dSAlexei Starovoitovalways += spintest_kern.o 13326e90931SAlexei Starovoitovalways += map_perf_test_kern.o 134e3edfdecSAlexei Starovoitovalways += test_overhead_tp_kern.o 1354662a4e5SAlexei Starovoitovalways += test_overhead_raw_tp_kern.o 136e3edfdecSAlexei Starovoitovalways += test_overhead_kprobe_kern.o 13765d472fbSAlexei Starovoitovalways += parse_varlen.o parse_simple.o parse_ldabs.o 138a3f74617SMartin KaFai Laualways += test_cgrp2_tc_kern.o 13986af8b41SBrenden Blancoalways += xdp1_kern.o 140764cbcceSBrenden Blancoalways += xdp2_kern.o 1413e29cd0eSChristina Jacobalways += xdp_router_ipv4_kern.o 1429e6e60ecSSargun Dhillonalways += test_current_task_under_cgroup_kern.o 1431c47910eSAlexei Starovoitovalways += trace_event_kern.o 14472874418SBrendan Greggalways += sampleip_kern.o 145f74599f7SThomas Grafalways += lwt_len_hist_kern.o 14612d8bb64SMartin KaFai Laualways += xdp_tx_iptunnel_kern.o 147fb30d4b7SMartin KaFai Laualways += test_map_in_map_kern.o 14851570a5aSChenbo Fengalways += cookie_uid_helper_example.o 14961bc4d8dSLawrence Brakmoalways += tcp_synrto_kern.o 150c400296bSLawrence Brakmoalways += tcp_rwnd_kern.o 151d9925368SLawrence Brakmoalways += tcp_bufs_kern.o 152bb56d444SLawrence Brakmoalways += tcp_cong_kern.o 1537bc62e28SLawrence Brakmoalways += tcp_iw_kern.o 1546c4a01b2SLawrence Brakmoalways += tcp_clamp_kern.o 155c890063eSLawrence Brakmoalways += tcp_basertt_kern.o 156832622e6SJohn Fastabendalways += xdp_redirect_kern.o 1579d6e0052SJohn Fastabendalways += xdp_redirect_map_kern.o 158fad3917eSJesper Dangaard Broueralways += xdp_redirect_cpu_kern.o 1593ffab546SJesper Dangaard Broueralways += xdp_monitor_kern.o 1600fca931aSJesper Dangaard Broueralways += xdp_rxq_info_kern.o 16136e04a2dSJesper Dangaard Broueralways += xdp2skb_meta_kern.o 1621da236b6SYonghong Songalways += syscall_tp_kern.o 163c5350777SLeo Yanalways += cpustat_kern.o 164c6ffd1ffSNikita V. Shirokovalways += xdp_adjust_tail_kern.o 165b4b8faa1SMagnus Karlssonalways += xdpsock_kern.o 166fe616055SDavid Ahernalways += xdp_fwd_kern.o 167ecb96f7fSYonghong Songalways += task_fd_query_kern.o 1681e54ad25SToke Høiland-Jørgensenalways += xdp_sample_pkts_kern.o 1693c731ebaSAlexei Starovoitov 1703c731ebaSAlexei StarovoitovHOSTCFLAGS += -I$(objtree)/usr/include 17143371c83SJoe StringerHOSTCFLAGS += -I$(srctree)/tools/lib/ 1729bee294fSAlexei StarovoitovHOSTCFLAGS += -I$(srctree)/tools/testing/selftests/bpf/ 173205c8adaSJoe StringerHOSTCFLAGS += -I$(srctree)/tools/lib/ -I$(srctree)/tools/include 174205c8adaSJoe StringerHOSTCFLAGS += -I$(srctree)/tools/perf 175a8085782SAlexei Starovoitov 176a8085782SAlexei StarovoitovHOSTCFLAGS_bpf_load.o += -I$(objtree)/usr/include -Wno-unused-variable 177d0cabbb0SJakub KicinskiHOSTCFLAGS_trace_helpers.o += -I$(srctree)/tools/lib/bpf/ 178d0cabbb0SJakub Kicinski 179d0cabbb0SJakub KicinskiHOSTCFLAGS_trace_output_user.o += -I$(srctree)/tools/lib/bpf/ 180d0cabbb0SJakub KicinskiHOSTCFLAGS_offwaketime_user.o += -I$(srctree)/tools/lib/bpf/ 181d0cabbb0SJakub KicinskiHOSTCFLAGS_spintest_user.o += -I$(srctree)/tools/lib/bpf/ 182d0cabbb0SJakub KicinskiHOSTCFLAGS_trace_event_user.o += -I$(srctree)/tools/lib/bpf/ 183d0cabbb0SJakub KicinskiHOSTCFLAGS_sampleip_user.o += -I$(srctree)/tools/lib/bpf/ 184ecb96f7fSYonghong SongHOSTCFLAGS_task_fd_query_user.o += -I$(srctree)/tools/lib/bpf/ 1851e54ad25SToke Høiland-JørgensenHOSTCFLAGS_xdp_sample_pkts_user.o += -I$(srctree)/tools/lib/bpf/ 186d0cabbb0SJakub Kicinski 1870cc54db1SJakub KicinskiHOST_LOADLIBES += $(LIBBPF) -lelf 1880cc54db1SJakub KicinskiHOSTLOADLIBES_tracex4 += -lrt 1890cc54db1SJakub KicinskiHOSTLOADLIBES_trace_output += -lrt 1900cc54db1SJakub KicinskiHOSTLOADLIBES_map_perf_test += -lrt 1910cc54db1SJakub KicinskiHOSTLOADLIBES_test_overhead += -lrt 1920cc54db1SJakub KicinskiHOSTLOADLIBES_xdpsock += -pthread 193a8085782SAlexei Starovoitov 194bdefbbf2SJesper Dangaard Brouer# Allows pointing LLC/CLANG to a LLVM backend with bpf support, redefine on cmdline: 195bdefbbf2SJesper Dangaard Brouer# make samples/bpf/ LLC=~/git/llvm/build/bin/llc CLANG=~/git/llvm/build/bin/clang 1966ccfba75SJesper Dangaard BrouerLLC ?= llc 197bdefbbf2SJesper Dangaard BrouerCLANG ?= clang 198*9778cfdfSTaeung SongLLVM_OBJCOPY ?= llvm-objcopy 199*9778cfdfSTaeung SongBTF_PAHOLE ?= pahole 2006ccfba75SJesper Dangaard Brouer 201876e88e3SJoel Fernandes# Detect that we're cross compiling and use the cross compiler 202876e88e3SJoel Fernandesifdef CROSS_COMPILE 203876e88e3SJoel FernandesHOSTCC = $(CROSS_COMPILE)gcc 2049db95838SAbhijit AyarekarCLANG_ARCH_ARGS = -target $(ARCH) 205876e88e3SJoel Fernandesendif 206876e88e3SJoel Fernandes 207*9778cfdfSTaeung SongBTF_LLC_PROBE := $(shell $(LLC) -march=bpf -mattr=help 2>&1 | grep dwarfris) 208*9778cfdfSTaeung SongBTF_PAHOLE_PROBE := $(shell $(BTF_PAHOLE) --help 2>&1 | grep BTF) 209*9778cfdfSTaeung SongBTF_OBJCOPY_PROBE := $(shell $(LLVM_OBJCOPY) --help 2>&1 | grep -i 'usage.*llvm') 210*9778cfdfSTaeung Song 211*9778cfdfSTaeung Songifneq ($(and $(BTF_LLC_PROBE),$(BTF_PAHOLE_PROBE),$(BTF_OBJCOPY_PROBE)),) 212*9778cfdfSTaeung Song EXTRA_CFLAGS += -g 213*9778cfdfSTaeung Song LLC_FLAGS += -mattr=dwarfris 214*9778cfdfSTaeung Song DWARF2BTF = y 215*9778cfdfSTaeung Songendif 216*9778cfdfSTaeung Song 217b62a796cSJesper Dangaard Brouer# Trick to allow make to be run from this directory 218787360f8SJakub Kicinskiall: 219787360f8SJakub Kicinski $(MAKE) -C ../../ $(CURDIR)/ BPF_SAMPLES_PATH=$(CURDIR) 220b62a796cSJesper Dangaard Brouer 221b62a796cSJesper Dangaard Brouerclean: 222e19b7ceeSUwe Kleine-König $(MAKE) -C ../../ M=$(CURDIR) clean 223b62a796cSJesper Dangaard Brouer @rm -f *~ 224b62a796cSJesper Dangaard Brouer 225c25ef6a5SMickaël Salaün$(LIBBPF): FORCE 226787360f8SJakub Kicinski# Fix up variables inherited from Kbuild that tools/ build system won't like 227787360f8SJakub Kicinski $(MAKE) -C $(dir $@) RM='rm -rf' LDFLAGS= srctree=$(BPF_SAMPLES_PATH)/../../ O= 228c25ef6a5SMickaël Salaün 2294b7190e8SDavid Daney$(obj)/syscall_nrs.s: $(src)/syscall_nrs.c 2304b7190e8SDavid Daney $(call if_changed_dep,cc_s_c) 2314b7190e8SDavid Daney 2324b7190e8SDavid Daney$(obj)/syscall_nrs.h: $(obj)/syscall_nrs.s FORCE 2334b7190e8SDavid Daney $(call filechk,offsets,__SYSCALL_NRS_H__) 2344b7190e8SDavid Daney 2354b7190e8SDavid Daneyclean-files += syscall_nrs.h 2364b7190e8SDavid Daney 2374b7190e8SDavid DaneyFORCE: 2384b7190e8SDavid Daney 2394b7190e8SDavid Daney 240bdefbbf2SJesper Dangaard Brouer# Verify LLVM compiler tools are available and bpf target is supported by llc 241bdefbbf2SJesper Dangaard Brouer.PHONY: verify_cmds verify_target_bpf $(CLANG) $(LLC) 2427b01dd57SJesper Dangaard Brouer 243bdefbbf2SJesper Dangaard Brouerverify_cmds: $(CLANG) $(LLC) 244bdefbbf2SJesper Dangaard Brouer @for TOOL in $^ ; do \ 245bdefbbf2SJesper Dangaard Brouer if ! (which -- "$${TOOL}" > /dev/null 2>&1); then \ 246bdefbbf2SJesper Dangaard Brouer echo "*** ERROR: Cannot find LLVM tool $${TOOL}" ;\ 2477b01dd57SJesper Dangaard Brouer exit 1; \ 248bdefbbf2SJesper Dangaard Brouer else true; fi; \ 249bdefbbf2SJesper Dangaard Brouer done 2507b01dd57SJesper Dangaard Brouer 251bdefbbf2SJesper Dangaard Brouerverify_target_bpf: verify_cmds 2527b01dd57SJesper Dangaard Brouer @if ! (${LLC} -march=bpf -mattr=help > /dev/null 2>&1); then \ 2537b01dd57SJesper Dangaard Brouer echo "*** ERROR: LLVM (${LLC}) does not support 'bpf' target" ;\ 2547b01dd57SJesper Dangaard Brouer echo " NOTICE: LLVM version >= 3.7.1 required" ;\ 2557b01dd57SJesper Dangaard Brouer exit 2; \ 2567b01dd57SJesper Dangaard Brouer else true; fi 2577b01dd57SJesper Dangaard Brouer 258787360f8SJakub Kicinski$(BPF_SAMPLES_PATH)/*.c: verify_target_bpf $(LIBBPF) 259787360f8SJakub Kicinski$(src)/*.c: verify_target_bpf $(LIBBPF) 2607b01dd57SJesper Dangaard Brouer 2614b7190e8SDavid Daney$(obj)/tracex5_kern.o: $(obj)/syscall_nrs.h 2624b7190e8SDavid Daney 263128d1514SNaveen N. Rao# asm/sysreg.h - inline assembly used by it is incompatible with llvm. 264128d1514SNaveen N. Rao# But, there is no easy way to fix it, so just exclude it since it is 26530b50aa6SYang Shi# useless for BPF samples. 266b88c06e3SBrenden Blanco$(obj)/%.o: $(src)/%.c 267768759edSJakub Kicinski @echo " CLANG-bpf " $@ 268768759edSJakub Kicinski $(Q)$(CLANG) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) -I$(obj) \ 26953335022SYonghong Song -I$(srctree)/tools/testing/selftests/bpf/ \ 270b1ae32dbSAlexei Starovoitov -D__KERNEL__ -D__BPF_TRACING__ -Wno-unused-value -Wno-pointer-sign \ 271b655fc1cSJoel Fernandes -D__TARGET_ARCH_$(ARCH) -Wno-compare-distinct-pointer-types \ 27269a9d09bSAlexei Starovoitov -Wno-gnu-variable-sized-type-not-at-end \ 27369a9d09bSAlexei Starovoitov -Wno-address-of-packed-member -Wno-tautological-compare \ 2749db95838SAbhijit Ayarekar -Wno-unknown-warning-option $(CLANG_ARCH_ARGS) \ 275*9778cfdfSTaeung Song -O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf $(LLC_FLAGS) -filetype=obj -o $@ 276*9778cfdfSTaeung Songifeq ($(DWARF2BTF),y) 277*9778cfdfSTaeung Song $(BTF_PAHOLE) -J $@ 278*9778cfdfSTaeung Songendif 279