836 static struct bpf_shtab_bucket *sock_hash_select_bucket(struct bpf_shtab *htab,  in sock_hash_select_bucket()  argument
839 	return &htab->buckets[hash & (htab->buckets_num - 1)];  in sock_hash_select_bucket()
859 	struct bpf_shtab *htab = container_of(map, struct bpf_shtab, map);  in __sock_hash_lookup_elem()  local
867 	bucket = sock_hash_select_bucket(htab, hash);  in __sock_hash_lookup_elem()
873 static void sock_hash_free_elem(struct bpf_shtab *htab,  in sock_hash_free_elem()  argument
876 	atomic_dec(&htab->count);  in sock_hash_free_elem()
883 	struct bpf_shtab *htab = container_of(map, struct bpf_shtab, map);  in sock_hash_delete_from_link()  local
888 	bucket = sock_hash_select_bucket(htab, elem->hash);  in sock_hash_delete_from_link()
900 		sock_hash_free_elem(htab, elem);  in sock_hash_delete_from_link()
907 	struct bpf_shtab *htab = container_of(map, struct bpf_shtab, map);  in sock_hash_delete_elem()  local
914 	bucket = sock_hash_select_bucket(htab, hash);  in sock_hash_delete_elem()
921 		sock_hash_free_elem(htab, elem);  in sock_hash_delete_elem()
928 static struct bpf_shtab_elem *sock_hash_alloc_elem(struct bpf_shtab *htab,  in sock_hash_alloc_elem()  argument
935 	if (atomic_inc_return(&htab->count) > htab->map.max_entries) {  in sock_hash_alloc_elem()
937 			atomic_dec(&htab->count);  in sock_hash_alloc_elem()
942 	new = bpf_map_kmalloc_node(&htab->map, htab->elem_size,  in sock_hash_alloc_elem()
944 				   htab->map.numa_node);  in sock_hash_alloc_elem()
946 		atomic_dec(&htab->count);  in sock_hash_alloc_elem()
958 	struct bpf_shtab *htab = container_of(map, struct bpf_shtab, map);  in sock_hash_update_common()  local
982 	bucket = sock_hash_select_bucket(htab, hash);  in sock_hash_update_common()
994 	elem_new = sock_hash_alloc_elem(htab, key, key_size, hash, sk, elem);  in sock_hash_update_common()
1008 		sock_hash_free_elem(htab, elem);  in sock_hash_update_common()
1023 	struct bpf_shtab *htab = container_of(map, struct bpf_shtab, map);  in sock_hash_get_next_key()  local
1032 	head = &sock_hash_select_bucket(htab, hash)->head;  in sock_hash_get_next_key()
1044 	i = hash & (htab->buckets_num - 1);  in sock_hash_get_next_key()
1047 	for (; i < htab->buckets_num; i++) {  in sock_hash_get_next_key()
1048 		head = &sock_hash_select_bucket(htab, i)->head;  in sock_hash_get_next_key()
1062 	struct bpf_shtab *htab;  in sock_hash_alloc()  local
1076 	htab = kzalloc(sizeof(*htab), GFP_USER | __GFP_ACCOUNT);  in sock_hash_alloc()
1077 	if (!htab)  in sock_hash_alloc()
1080 	bpf_map_init_from_attr(&htab->map, attr);  in sock_hash_alloc()
1082 	htab->buckets_num = roundup_pow_of_two(htab->map.max_entries);  in sock_hash_alloc()
1083 	htab->elem_size = sizeof(struct bpf_shtab_elem) +  in sock_hash_alloc()
1084 			  round_up(htab->map.key_size, 8);  in sock_hash_alloc()
1085 	if (htab->buckets_num == 0 ||  in sock_hash_alloc()
1086 	    htab->buckets_num > U32_MAX / sizeof(struct bpf_shtab_bucket)) {  in sock_hash_alloc()
1091 	htab->buckets = bpf_map_area_alloc(htab->buckets_num *  in sock_hash_alloc()
1093 					   htab->map.numa_node);  in sock_hash_alloc()
1094 	if (!htab->buckets) {  in sock_hash_alloc()
1099 	for (i = 0; i < htab->buckets_num; i++) {  in sock_hash_alloc()
1100 		INIT_HLIST_HEAD(&htab->buckets[i].head);  in sock_hash_alloc()
1101 		raw_spin_lock_init(&htab->buckets[i].lock);  in sock_hash_alloc()
1104 	return &htab->map;  in sock_hash_alloc()
1106 	kfree(htab);  in sock_hash_alloc()
1112 	struct bpf_shtab *htab = container_of(map, struct bpf_shtab, map);  in sock_hash_free()  local
1124 	for (i = 0; i < htab->buckets_num; i++) {  in sock_hash_free()
1125 		bucket = sock_hash_select_bucket(htab, i);  in sock_hash_free()
1151 			sock_hash_free_elem(htab, elem);  in sock_hash_free()
1158 	bpf_map_area_free(htab->buckets);  in sock_hash_free()
1159 	kfree(htab);  in sock_hash_free()
1271 	struct bpf_shtab *htab;  member
1278 	const struct bpf_shtab *htab = info->htab;  in sock_hash_seq_find_next()  local
1294 	for (; info->bucket_id < htab->buckets_num; info->bucket_id++) {  in sock_hash_seq_find_next()
1295 		bucket = &htab->buckets[info->bucket_id];  in sock_hash_seq_find_next()
1374 	info->htab = container_of(aux->map, struct bpf_shtab, map);  in sock_hash_init_seq_private()