d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Some of these cards are always in promiscous mode :-(

Browse Source 
If you enable ip forwarding your net melts down.
This is a workaround, probably not the correct fix.
This commit is contained in:
Poul-Henning Kamp 1997-01-28 11:21:21 +00:00
parent e91707fc51
commit e6bf99985c
1 changed files with 12 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
sys/dev/vx/if_vx.c
View File

@ -771,28 +771,25 @@ again:
*/
if (sc->arpcom.ac_if.if_bpf) {
bpf_mtap(&sc->arpcom.ac_if, m);
/*
* Note that the interface cannot be in promiscuous mode if
* there are no BPF listeners. And if we are in promiscuous
* mode, we have to check if this packet is really ours.
*/
if ((ifp->if_flags & IFF_PROMISC) &&
(eh->ether_dhost[0] & 1) == 0 && /* !mcast and !bcast */
bcmp(eh->ether_dhost, sc->arpcom.ac_enaddr,
sizeof(eh->ether_dhost)) != 0) {
m_freem(m);
return;
}
}
#endif
/*
* XXX: Some cards seem to be in promiscous mode all the time.
* we need to make sure we only get our own stuff always.
* bleah!
*/
if ((eh->ether_dhost[0] & 1) == 0 && /* !mcast and !bcast */
bcmp(eh->ether_dhost, sc->arpcom.ac_enaddr,
sizeof(eh->ether_dhost)) != 0) {
m_freem(m);
return;
}
/* We assume the header fit entirely in one mbuf. */
m_adj(m, sizeof(struct ether_header));
ether_input(ifp, eh, m);
/*
* In periods of high traffic we can actually receive enough
* packets so that the fifo overrun bit will be set at this point,