diff options
Diffstat (limited to 'net/core/sock_map.c')
| -rw-r--r-- | net/core/sock_map.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/net/core/sock_map.c b/net/core/sock_map.c index a68a7290a3b2..9b854e236d23 100644 --- a/net/core/sock_map.c +++ b/net/core/sock_map.c @@ -797,6 +797,14 @@ static void sock_map_fini_seq_private(void *priv_data) bpf_map_put_with_uref(info->map); } +static u64 sock_map_mem_usage(const struct bpf_map *map) +{ + u64 usage = sizeof(struct bpf_stab); + + usage += (u64)map->max_entries * sizeof(struct sock *); + return usage; +} + static const struct bpf_iter_seq_info sock_map_iter_seq_info = { .seq_ops = &sock_map_seq_ops, .init_seq_private = sock_map_init_seq_private, @@ -816,6 +824,7 @@ const struct bpf_map_ops sock_map_ops = { .map_lookup_elem = sock_map_lookup, .map_release_uref = sock_map_release_progs, .map_check_btf = map_check_no_btf, + .map_mem_usage = sock_map_mem_usage, .map_btf_id = &sock_map_btf_ids[0], .iter_seq_info = &sock_map_iter_seq_info, }; @@ -1397,6 +1406,16 @@ static void sock_hash_fini_seq_private(void *priv_data) bpf_map_put_with_uref(info->map); } +static u64 sock_hash_mem_usage(const struct bpf_map *map) +{ + struct bpf_shtab *htab = container_of(map, struct bpf_shtab, map); + u64 usage = sizeof(*htab); + + usage += htab->buckets_num * sizeof(struct bpf_shtab_bucket); + usage += atomic_read(&htab->count) * (u64)htab->elem_size; + return usage; +} + static const struct bpf_iter_seq_info sock_hash_iter_seq_info = { .seq_ops = &sock_hash_seq_ops, .init_seq_private = sock_hash_init_seq_private, @@ -1416,6 +1435,7 @@ const struct bpf_map_ops sock_hash_ops = { .map_lookup_elem_sys_only = sock_hash_lookup_sys, .map_release_uref = sock_hash_release_progs, .map_check_btf = map_check_no_btf, + .map_mem_usage = sock_hash_mem_usage, .map_btf_id = &sock_hash_map_btf_ids[0], .iter_seq_info = &sock_hash_iter_seq_info, }; |