upstream/opnsense-src
1
0
Fork 0
mirror of https://github.com/opnsense/src.git synced 2026-04-29 18:32:49 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

1) Set interface up/down correctly as a function of open and close of the

Browse source 
SLIP device.
2) Don't directly frob the IFF_UP flag - use if_up/if_down as it was
   intended.
3) Return ENETDOWN if IFF_UP isn't set when outputing, drop the packet if
   if IFF_UP isn't set when inputing.
This commit is contained in:
David Greenman 1995-06-21 08:48:19 +00:00
parent 78f934546c
commit 2cd67fdafd
1 changed files with 11 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
sys/net/if_sl.c
View file

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)if_sl.c 8.6 (Berkeley) 2/1/94
* $Id: if_sl.c,v 1.19 1995/04/28 18:47:28 ache Exp $
* $Id: if_sl.c,v 1.20 1995/05/30 08:08:11 rgrimes Exp $
*/
/*
@ -236,7 +236,6 @@ slinit(sc)
sc->sc_ep = (u_char *)p + SLBUFSIZE;
else {
printf("sl%d: can't allocate buffer\n", sc - sl_softc);
sc->sc_if.if_flags &= ~IFF_UP;
return (0);
}
}
@ -294,6 +293,7 @@ slopen(dev, tp)
sc->sc_if.if_mtu + SLIP_HIWAT);
clist_alloc_cblocks(&tp->t_rawq, 0, 0);
if_up(&sc->sc_if);
return (0);
}
return (ENXIO);
@ -438,9 +438,9 @@ sloutput(ifp, m, dst, rtp)
return (EAFNOSUPPORT);
}
if (sc->sc_ttyp == NULL) {
if (sc->sc_ttyp == NULL || !(ifp->if_flags & IFF_UP)) {
m_freem(m);
return (ENETDOWN); /* sort of */
return (ENETDOWN);
}
if ((sc->sc_ttyp->t_state & TS_CARR_ON) == 0 &&
(sc->sc_ttyp->t_cflag & CLOCAL) == 0) {
@ -853,6 +853,12 @@ slinput(c, tp)
sc->sc_if.if_ipackets++;
sc->sc_if.if_lastchange = time;
if ((sc->sc_if.if_flags & IFF_UP) == 0) {
m_freem(m);
goto newpack;
}
s = splimp();
if (IF_QFULL(&ipintrq)) {
IF_DROP(&ipintrq);
@ -901,9 +907,7 @@ slioctl(ifp, cmd, data)
switch (cmd) {
case SIOCSIFADDR:
if (ifa->ifa_addr->sa_family == AF_INET)
ifp->if_flags |= IFF_UP;
else
if (ifa->ifa_addr->sa_family != AF_INET)
error = EAFNOSUPPORT;
break;