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Added cmake flag to disable XDP builds as libbpf on Ubuntu 22.04 is significantly out of sync with libbpf 1.x API and we have no plans to support it

This commit is contained in:
Pavel Odintsov 2023-04-22 21:40:38 +01:00
parent 75788631fe
commit 97567a051c
2 changed files with 12 additions and 19 deletions
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2
.circleci/config.yml
View File

@ -213,7 +213,7 @@ jobs:
- run: sudo docker exec --env DEBIAN_FRONTEND linux_docker apt-get install -y perl wget git cmake g++ make liblog4cpp5-dev libhiredis-dev libmongoc-dev libbpf-dev libgrpc++-dev libprotobuf-dev protobuf-compiler libcapnp-dev capnproto libssl-dev protobuf-compiler-grpc libncurses5-dev libpcap-dev pkg-config libboost-atomic-dev libboost-chrono-dev libboost-date-time-dev libboost-program-options-dev libboost-regex-dev libboost-system-dev libboost-thread-dev
- run: sudo docker exec linux_docker git clone https://github.com/pavel-odintsov/fastnetmon.git
- run: sudo docker exec linux_docker mkdir fastnetmon/src/build
- run: sudo docker exec linux_docker cmake -S fastnetmon/src -B fastnetmon/src/build
- run: sudo docker exec linux_docker cmake -S fastnetmon/src -B fastnetmon/src/build -DENABLE_AF_XDP_SUPPORT=FALSE
- run: sudo docker exec linux_docker make -C fastnetmon/src/build -j
build_debian:
parameters:

29
src/CMakeLists.txt
View File

@ -368,6 +368,9 @@ else()
endif()
# It can be disabled using flag: -DENABLE_AF_XDP_SUPPORT=FALSE
option(ENABLE_AF_XDP_SUPPORT "Enables build for AF_XDP" ON)
CHECK_CXX_SOURCE_COMPILES("
#include <linux/if_xdp.h>
int main() {
@ -375,26 +378,16 @@ int main() {
}
" HAVE_AF_XDP)
# libbpf 1.x introduced plenty of API changes and we need to guess when we have support for it
CHECK_CXX_SOURCE_COMPILES("
#include <bpf/bpf.h>
#include <bpf/libbpf.h>
# If XDP build enabled then we need to confirm that system has support for it
if (${ENABLE_AF_XDP_SUPPORT})
int main() {
bpf_object__next_program(NULL, NULL);
return 1;
}
" HAVE_LIBBPF1_API_SUPPORT)
if (${HAVE_AF_XDP})
message(STATUS "Your system has support for AF_XDP")
else()
message(STATUS "Your system does not support AF_XDP, disabled it")
set (ENABLE_AF_XDP_SUPPORT FALSE)
endif()
if (${HAVE_LIBBPF1_API_SUPPORT})
message(STATUS "We have libbpf 1.x support")
endif()
if (${HAVE_AF_XDP})
message(STATUS "Your system has support for AF_XDP")
set (ENABLE_AF_XDP_SUPPORT ON)
else()
message(STATUS "Your system does not support AF_XDP, disabled it")
endif()