RTA_SPACE
return crypt_subkey_size(cc) + RTA_SPACE(sizeof(struct crypto_authenc_key_param));
p += RTA_SPACE(sizeof(*param));
(x->ealg->alg_key_len + 7) / 8 + RTA_SPACE(sizeof(*param));
p += RTA_SPACE(sizeof(*param));
(x->ealg->alg_key_len + 7) / 8 + RTA_SPACE(sizeof(*param));
p += RTA_SPACE(sizeof(*param));