diff options
Diffstat (limited to 'net/core/sock_map.c')
| -rw-r--r-- | net/core/sock_map.c | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/net/core/sock_map.c b/net/core/sock_map.c index a68a7290a3b2..00afb66cd095 100644 --- a/net/core/sock_map.c +++ b/net/core/sock_map.c @@ -437,7 +437,7 @@ static void sock_map_delete_from_link(struct bpf_map *map, struct sock *sk, __sock_map_delete(stab, sk, link_raw); } -static int sock_map_delete_elem(struct bpf_map *map, void *key) +static long sock_map_delete_elem(struct bpf_map *map, void *key) { struct bpf_stab *stab = container_of(map, struct bpf_stab, map); u32 i = *(u32 *)key; @@ -587,8 +587,8 @@ out: return ret; } -static int sock_map_update_elem(struct bpf_map *map, void *key, - void *value, u64 flags) +static long sock_map_update_elem(struct bpf_map *map, void *key, + void *value, u64 flags) { struct sock *sk = (struct sock *)value; int ret; @@ -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, }; @@ -916,7 +925,7 @@ static void sock_hash_delete_from_link(struct bpf_map *map, struct sock *sk, raw_spin_unlock_bh(&bucket->lock); } -static int sock_hash_delete_elem(struct bpf_map *map, void *key) +static long sock_hash_delete_elem(struct bpf_map *map, void *key) { struct bpf_shtab *htab = container_of(map, struct bpf_shtab, map); u32 hash, key_size = map->key_size; @@ -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, }; @@ -1624,9 +1644,10 @@ void sock_map_close(struct sock *sk, long timeout) rcu_read_unlock(); sk_psock_stop(psock); release_sock(sk); - cancel_work_sync(&psock->work); + cancel_delayed_work_sync(&psock->work); sk_psock_put(sk, psock); } + /* Make sure we do not recurse. This is a bug. * Leak the socket instead of crashing on a stack overflow. */ |