diff options
| -rw-r--r-- | samples/bpf/test_maps.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/samples/bpf/test_maps.c b/samples/bpf/test_maps.c index 47bf0858f9e4..cce2b59751eb 100644 --- a/samples/bpf/test_maps.c +++ b/samples/bpf/test_maps.c @@ -68,7 +68,16 @@ static void test_hashmap_sanity(int i, void *data) assert(bpf_update_elem(map_fd, &key, &value, BPF_NOEXIST) == -1 && errno == E2BIG); + /* update existing element, thought the map is full */ + key = 1; + assert(bpf_update_elem(map_fd, &key, &value, BPF_EXIST) == 0); + key = 2; + assert(bpf_update_elem(map_fd, &key, &value, BPF_ANY) == 0); + key = 1; + assert(bpf_update_elem(map_fd, &key, &value, BPF_ANY) == 0); + /* check that key = 0 doesn't exist */ + key = 0; assert(bpf_delete_elem(map_fd, &key) == -1 && errno == ENOENT); /* iterate over two elements */ @@ -413,10 +422,12 @@ static void do_work(int fn, void *data) for (i = fn; i < MAP_SIZE; i += TASKS) { key = value = i; - if (do_update) + if (do_update) { assert(bpf_update_elem(map_fd, &key, &value, BPF_NOEXIST) == 0); - else + assert(bpf_update_elem(map_fd, &key, &value, BPF_EXIST) == 0); + } else { assert(bpf_delete_elem(map_fd, &key) == 0); + } } } |