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xdp-project-bpf-examples/pping/Makefile

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pping: Start pping implementation Add a XDP program to parse TCP timestamps and a simple loader Signed-off-by: Simon Sundberg <simon.sundberg@kau.se>
2020-12-11 19:25:35 +01:00
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
pping: TC-BPF use BTF map if iproute has libbpf Copy setup from traffic-pacing-edt to use BTF-defined map if configure detects that iproute2 has libbpf support, otherwise fall back on bpf_elf_map. Also fix a minor bug with setting default value for SEC in bpf_egress_loader.sh. Signed-off-by: Simon Sundberg <simon.sundberg@kau.se>
2021-01-25 20:40:57 +01:00
USER_TARGETS := pping
TC_BPF_TARGETS := pping_kern_tc
BPF_TARGETS := pping_kern_xdp
BPF_TARGETS += $(TC_BPF_TARGETS)
pping: Start pping implementation Add a XDP program to parse TCP timestamps and a simple loader Signed-off-by: Simon Sundberg <simon.sundberg@kau.se>
2020-12-11 19:25:35 +01:00
pping: TC-BPF use BTF map if iproute has libbpf Copy setup from traffic-pacing-edt to use BTF-defined map if configure detects that iproute2 has libbpf support, otherwise fall back on bpf_elf_map. Also fix a minor bug with setting default value for SEC in bpf_egress_loader.sh. Signed-off-by: Simon Sundberg <simon.sundberg@kau.se>
2021-01-25 20:40:57 +01:00
LDFLAGS += -pthread
pping: Various minor fixes Perform various fixes and tweaks: - Rename several defines to make them more informative - Remove unrolling of loop in BPF programs - Reuse defines for program sections between userspace and kernel space programs - Perform fork+exec to run bpf_egress_loader script instead of system() - Add comment to copied scripts indicating I've modified them - Add pping.h and pping_helpers.h as dependencies in Makefile Also, add a brief description of what PPing is and how it works to README Signed-off-by: Simon Sundberg <simon.sundberg@kau.se>
2021-01-26 18:34:23 +01:00
EXTRA_DEPS += config.mk pping.h pping_helpers.h
pping: Add perf-buffer The XDP program pushes the calculated RTTs to userspace through the perf-buffer and the userspace program polls it to print them out Signed-off-by: Simon Sundberg <simon.sundberg@kau.se>
2021-01-07 18:14:27 +01:00
pping: Start pping implementation Add a XDP program to parse TCP timestamps and a simple loader Signed-off-by: Simon Sundberg <simon.sundberg@kau.se>
2020-12-11 19:25:35 +01:00
LIB_DIR = ../lib
include $(LIB_DIR)/common.mk
pping: TC-BPF use BTF map if iproute has libbpf Copy setup from traffic-pacing-edt to use BTF-defined map if configure detects that iproute2 has libbpf support, otherwise fall back on bpf_elf_map. Also fix a minor bug with setting default value for SEC in bpf_egress_loader.sh. Signed-off-by: Simon Sundberg <simon.sundberg@kau.se>
2021-01-25 20:40:57 +01:00
include config.mk
all: config.mk
config.mk: configure
@sh configure
ifndef HAVE_TC_LIBBPF
# If the iproute2 'tc' tool doesn't understand BTF debug info
# use llvm-strip to remove this debug info from object file
#
# *BUT* cannot strip everything as it removes ELF elems needed for
# creating maps
#
.PHONY: strip_tc_obj
strip_tc_obj: ${TC_BPF_TARGETS:=.o}
$(Q) echo "TC don't support libbpf - strip BTF info"
$(Q) llvm-strip --no-strip-all --remove-section .BTF $?
all: strip_tc_obj
endif
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