> Di Zhu wrote: > > Right now there is no way to query whether BPF programs are > > attached to a sockmap or not. > > > > we can use the standard interface in libbpf to query, such as: > > bpf_prog_query(mapFd, BPF_SK_SKB_STREAM_PARSER, 0, NULL, ...); > > the mapFd is the fd of sockmap. > > > > Signed-off-by: Di Zhu <zhudi2@xxxxxxxxxx> > > --- > > LGTM, lets add a small test here as well > > ./tools/testing/selftests/bpf/prog_tests/sockmap_basic.c > > Looks like we can just copy the sk_lookup.c test case which does > the query tests for BPF_SK_LOOKUP. Thanks for your advice, I will add it in my patch. > Also I don't think its required for this series, but a bpftool > patch to query it would be useful as well if its doesn't just > work with above. > > Thanks! > John
