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| author | Vladimir Homutov <vl@nginx.com> | 2020-12-15 15:23:07 +0300 |
|---|---|---|
| committer | Vladimir Homutov <vl@nginx.com> | 2020-12-15 15:23:07 +0300 |
| commit | b20b58ca7d1323664c5e8f91231ade0edf0d0f31 (patch) | |
| tree | 905836ac882ea9868241dc4d553885db230f99ff /auto | |
| parent | fb655007a110e3bfd4e8eaba8b401d67fb283a9a (diff) | |
| download | nginx-b20b58ca7d1323664c5e8f91231ade0edf0d0f31.tar.gz nginx-b20b58ca7d1323664c5e8f91231ade0edf0d0f31.tar.bz2 | |
Core: added interface to linux bpf() system call.
It contains wrappers for operations with BPF maps and for loading BPF programs.
Diffstat (limited to 'auto')
| -rw-r--r-- | auto/options | 2 | ||||
| -rw-r--r-- | auto/os/linux | 26 |
2 files changed, 28 insertions, 0 deletions
diff --git a/auto/options b/auto/options index fc4365ed3..ad3583058 100644 --- a/auto/options +++ b/auto/options @@ -169,6 +169,8 @@ USE_GEOIP=NO NGX_GOOGLE_PERFTOOLS=NO NGX_CPP_TEST=NO +BPF_FOUND=NO + NGX_LIBATOMIC=NO NGX_CPU_CACHE_LINE= diff --git a/auto/os/linux b/auto/os/linux index 5e280eca7..f257d1afe 100644 --- a/auto/os/linux +++ b/auto/os/linux @@ -208,3 +208,29 @@ ngx_include="sys/vfs.h"; . auto/include CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64" + + +# (E)BPF + +ngx_feature="BPF support" +ngx_feature_name="NGX_HAVE_BPF" +ngx_feature_run=no +ngx_feature_incs="#include <linux/bpf.h> + #include <sys/syscall.h>" +ngx_feature_path= +ngx_feature_libs= +ngx_feature_test=" + union bpf_attr attr = { 0 }; + /* only declare BPF support if all required features found */ + attr.map_flags = 0; + attr.map_type = BPF_MAP_TYPE_SOCKHASH; + syscall(__NR_bpf, 0, &attr, 0);" + +. auto/feature + +if [ $ngx_found = yes ]; then + BPF_FOUND=YES + + CORE_SRCS="$CORE_SRCS src/core/ngx_bpf.c" + CORE_DEPS="$CORE_DEPS src/core/ngx_bpf.h" +fi |