/*
* Pass a packet to the higher levels.
*/
void
elread(struct el_softc *sc, int len)
{
struct ifnet *ifp = &sc->sc_ethercom.ec_if;
struct mbuf *m;
if (len <= sizeof(struct ether_header) ||
len > ETHER_MAX_LEN) {
printf("%s: invalid packet size %d; dropping\n",
device_xname(sc->sc_dev), len);
ifp->if_ierrors++;
return;
}
/* Pull packet off interface. */
m = elget(sc, len);
if (m == 0) {
ifp->if_ierrors++;
return;
}
ifp->if_ipackets++;
/*
* Check if there's a BPF listener on this interface.
* If so, hand off the raw packet to BPF.
*/
bpf_mtap(ifp, m);
if_percpuq_enqueue(ifp->if_percpuq, m);
}
/* Pass a packet up to the higher levels. */
static __inline void
elread(struct el_softc *sc,caddr_t buf,int len)
{
struct mbuf *m;
/*
* Put packet into an mbuf chain
*/
m = elget(buf,len,&sc->arpcom.ac_if);
if(m)
sc->arpcom.ac_if.if_input(&sc->arpcom.ac_if, m);
}
/* Pass a packet up to the higher levels. */
static inline void elread(struct el_softc *sc,caddr_t buf,int len)
{
register struct ether_header *eh;
struct mbuf *m;
eh = (struct ether_header *)buf;
#if NBPFILTER > 0
/*
* Check if there's a bpf filter listening on this interface.
* If so, hand off the raw packet to bpf.
*/
if(sc->bpf) {
bpf_tap(sc->bpf,buf,len+sizeof(struct ether_header));
/*
* Note that the interface cannot be in promiscuous mode if
* there are no bpf listeners. And if el are in promiscuous
* mode, el have to check if this packet is really ours.
*
* This test does not support multicasts.
*/
if((sc->arpcom.ac_if.if_flags & IFF_PROMISC)
&& bcmp(eh->ether_dhost,sc->arpcom.ac_enaddr,
sizeof(eh->ether_dhost)) != 0
&& bcmp(eh->ether_dhost,etherbroadcastaddr,
sizeof(eh->ether_dhost)) != 0)
return;
}
#endif
/*
* Pull packet off interface.
*/
m = elget(buf,len,0,&sc->arpcom.ac_if);
if(m == 0)
return;
ether_input(&sc->arpcom.ac_if,eh,m);
}
