| Message ID | 20181121045557.17924-1-tehnerd@tehnerd.com |
|---|---|
| Headers | show |
| Series | bpf: adding support for mapinmap in libbpf | expand |
On 11/21/2018 05:55 AM, Nikita V. Shirokov wrote: > in this patch series i'm adding a helper for libbpf which would allow > it to load map-in-map(BPF_MAP_TYPE_ARRAY_OF_MAPS and > BPF_MAP_TYPE_HASH_OF_MAPS). > first patch contains new helper + explains proposed workflow > second patch contains tests which also could be used as example of usage > > v4->v5: > - naming: renamed everything to map_in_map instead of mapinmap > - start to return nonzero val if set_inner_map_fd failed > > v3->v4: > - renamed helper to set_inner_map_fd > - now we set this value only if it haven't > been set before and only for (array|hash) of maps > > v2->v3: > - fixing typo in patch description > - initializing inner_map_fd to -1 by default > > v1->v2: > - addressing nits > - removing const identifier from fd in new helper > - starting to check return val for bpf_map_update_elem > > Nikita V. Shirokov (2): > bpf: adding support for map in map in libbpf > bpf: adding tests for mapinmap helpber in libbpf > > tools/lib/bpf/libbpf.c | 40 ++++++++++-- > tools/lib/bpf/libbpf.h | 2 + > tools/testing/selftests/bpf/Makefile | 3 +- > tools/testing/selftests/bpf/test_map_in_map.c | 49 +++++++++++++++ > tools/testing/selftests/bpf/test_maps.c | 90 +++++++++++++++++++++++++++ > 5 files changed, 177 insertions(+), 7 deletions(-) > create mode 100644 tools/testing/selftests/bpf/test_map_in_map.c > Applied, thanks!