26 	struct bpf_stab *stab;  in sock_map_alloc()  local
38 	stab = kzalloc(sizeof(*stab), GFP_USER);  in sock_map_alloc()
39 	if (!stab)  in sock_map_alloc()
42 	bpf_map_init_from_attr(&stab->map, attr);  in sock_map_alloc()
43 	raw_spin_lock_init(&stab->lock);  in sock_map_alloc()
46 	cost = (u64) stab->map.max_entries * sizeof(struct sock *);  in sock_map_alloc()
47 	err = bpf_map_charge_init(&stab->map.memory, cost);  in sock_map_alloc()
51 	stab->sks = bpf_map_area_alloc(stab->map.max_entries *  in sock_map_alloc()
53 				       stab->map.numa_node);  in sock_map_alloc()
54 	if (stab->sks)  in sock_map_alloc()
55 		return &stab->map;  in sock_map_alloc()
57 	bpf_map_charge_finish(&stab->map.memory);  in sock_map_alloc()
59 	kfree(stab);  in sock_map_alloc()
116 			struct bpf_stab *stab = container_of(map, struct bpf_stab,  in sock_map_del_link()  local
118 			if (psock->parser.enabled && stab->progs.skb_parser)  in sock_map_del_link()
233 	struct bpf_stab *stab = container_of(map, struct bpf_stab, map);  in sock_map_free()  local
238 	raw_spin_lock_bh(&stab->lock);  in sock_map_free()
239 	for (i = 0; i < stab->map.max_entries; i++) {  in sock_map_free()
240 		struct sock **psk = &stab->sks[i];  in sock_map_free()
247 	raw_spin_unlock_bh(&stab->lock);  in sock_map_free()
252 	bpf_map_area_free(stab->sks);  in sock_map_free()
253 	kfree(stab);  in sock_map_free()
263 	struct bpf_stab *stab = container_of(map, struct bpf_stab, map);  in __sock_map_lookup_elem()  local
269 	return READ_ONCE(stab->sks[key]);  in __sock_map_lookup_elem()
277 static int __sock_map_delete(struct bpf_stab *stab, struct sock *sk_test,  in __sock_map_delete()  argument
283 	raw_spin_lock_bh(&stab->lock);  in __sock_map_delete()
293 	raw_spin_unlock_bh(&stab->lock);  in __sock_map_delete()
300 	struct bpf_stab *stab = container_of(map, struct bpf_stab, map);  in sock_map_delete_from_link()  local
302 	__sock_map_delete(stab, sk, link_raw);  in sock_map_delete_from_link()
307 	struct bpf_stab *stab = container_of(map, struct bpf_stab, map);  in sock_map_delete_elem()  local
314 	psk = &stab->sks[i];  in sock_map_delete_elem()
315 	return __sock_map_delete(stab, NULL, psk);  in sock_map_delete_elem()
320 	struct bpf_stab *stab = container_of(map, struct bpf_stab, map);  in sock_map_get_next_key()  local
324 	if (i == stab->map.max_entries - 1)  in sock_map_get_next_key()
326 	if (i >= stab->map.max_entries)  in sock_map_get_next_key()
336 	struct bpf_stab *stab = container_of(map, struct bpf_stab, map);  in sock_map_update_common()  local
355 	ret = sock_map_link(map, &stab->progs, sk);  in sock_map_update_common()
362 	raw_spin_lock_bh(&stab->lock);  in sock_map_update_common()
363 	osk = stab->sks[idx];  in sock_map_update_common()
372 	sock_map_add_link(psock, link, map, &stab->sks[idx]);  in sock_map_update_common()
373 	stab->sks[idx] = sk;  in sock_map_update_common()
375 		sock_map_unref(osk, &stab->sks[idx]);  in sock_map_update_common()
376 	raw_spin_unlock_bh(&stab->lock);  in sock_map_update_common()
379 	raw_spin_unlock_bh(&stab->lock);  in sock_map_update_common()