diff options
| -rw-r--r-- | kernel/bpf/arraymap.c | 2 | ||||
| -rw-r--r-- | kernel/bpf/hashtab.c | 13 |
2 files changed, 13 insertions, 2 deletions
diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c index b3bf31fd9458..724613da6576 100644 --- a/kernel/bpf/arraymap.c +++ b/kernel/bpf/arraymap.c @@ -1345,6 +1345,8 @@ const struct bpf_map_ops array_of_maps_map_ops = { .map_fd_put_ptr = bpf_map_fd_put_ptr, .map_fd_sys_lookup_elem = bpf_map_fd_sys_lookup_elem, .map_gen_lookup = array_of_map_gen_lookup, + .map_lookup_batch = generic_map_lookup_batch, + .map_update_batch = generic_map_update_batch, .map_check_btf = map_check_no_btf, .map_btf_id = &array_map_btf_ids[0], }; diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c index 3e00e62b2218..705841279d16 100644 --- a/kernel/bpf/hashtab.c +++ b/kernel/bpf/hashtab.c @@ -140,7 +140,7 @@ static inline bool htab_use_raw_lock(const struct bpf_htab *htab) static void htab_init_buckets(struct bpf_htab *htab) { - unsigned i; + unsigned int i; for (i = 0; i < htab->n_buckets; i++) { INIT_HLIST_NULLS_HEAD(&htab->buckets[i].head, i); @@ -1627,7 +1627,7 @@ __htab_map_lookup_and_delete_batch(struct bpf_map *map, void __user *uvalues = u64_to_user_ptr(attr->batch.values); void __user *ukeys = u64_to_user_ptr(attr->batch.keys); void __user *ubatch = u64_to_user_ptr(attr->batch.in_batch); - u32 batch, max_count, size, bucket_size; + u32 batch, max_count, size, bucket_size, map_id; struct htab_elem *node_to_free = NULL; u64 elem_map_flags, map_flags; struct hlist_nulls_head *head; @@ -1752,6 +1752,14 @@ again_nocopy: } } else { value = l->key + roundup_key_size; + if (map->map_type == BPF_MAP_TYPE_HASH_OF_MAPS) { + struct bpf_map **inner_map = value; + + /* Actual value is the id of the inner map */ + map_id = map->ops->map_fd_sys_lookup_elem(*inner_map); + value = &map_id; + } + if (elem_map_flags & BPF_F_LOCK) copy_map_value_locked(map, dst_val, value, true); @@ -2450,5 +2458,6 @@ const struct bpf_map_ops htab_of_maps_map_ops = { .map_fd_sys_lookup_elem = bpf_map_fd_sys_lookup_elem, .map_gen_lookup = htab_of_map_gen_lookup, .map_check_btf = map_check_no_btf, + BATCH_OPS(htab), .map_btf_id = &htab_map_btf_ids[0], }; |