psp_dev_encapsulate
if (!psp_dev_encapsulate(net, skb, psp_st->spi, psp_st->ver, 0)) {
if (!psp_dev_encapsulate(net, skb, pas->tx.spi, pas->version, 0)) {
bool psp_dev_encapsulate(struct net *net, struct sk_buff *skb, __be32 spi,
EXPORT_SYMBOL(psp_dev_encapsulate);