Function toe_l2_resolve

freebsd/netinet/toecore.c:462–498

* Returns 0 or EWOULDBLOCK on success (any other value is an error). 0 means * lladdr and vtag are valid on return, EWOULDBLOCK means the TOE driver's * tod_l2_update will be called later, when the entry is resolved or times out. */

 * tod_l2_update will be called later, when the entry is resolved or times out.
 */
int
toe_l2_resolve(struct toedev *tod, struct ifnet *ifp, struct sockaddr *sa,
    uint8_t *lladdr, uint16_t *vtag)
{
	int rc;
	uint16_t vid, pcp;

	switch (sa->sa_family) {
#ifdef INET
	case AF_INET:
		rc = arpresolve(ifp, 0, NULL, sa, lladdr, NULL, NULL);
		break;
#endif
#ifdef INET6
	case AF_INET6:
		rc = nd6_resolve(ifp, 0, NULL, sa, lladdr, NULL, NULL);
		break;
#endif
	default:
		return (EPROTONOSUPPORT);
	}

	if (rc == 0) {
		vid = 0xfff;
		pcp = 0;
		if (ifp->if_type == IFT_L2VLAN) {
			VLAN_TAG(ifp, &vid);
			VLAN_PCP(ifp, &pcp);
		} else if (ifp->if_pcp != IFNET_PCP_NONE) {
			vid = 0;
			pcp = ifp->if_pcp;
		}
		*vtag = EVL_MAKETAG(vid, pcp, 0);
	}

	return (rc);
}

void
toe_connect_failed(struct toedev *tod, struct inpcb *inp, int err)