upstream/opnsense-src
1
0
Fork 0
mirror of https://github.com/opnsense/src.git synced 2026-06-09 08:43:19 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Abstract "is a particular SLIP unit free" check behind slisunitfree(),

Browse source 
and use that instead of manual list searches in a couple of places.
This commit is contained in:
Robert Watson 2004-03-31 22:59:56 +00:00
parent 5d4ca75e56
commit 2168debca9
1 changed files with 18 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

30
sys/net/if_sl.c
View file

@ -223,6 +223,18 @@ DECLARE_MODULE(if_sl, sl_mod, SI_SUB_PSEUDO, SI_ORDER_ANY);
static int *st_unit_list;
static size_t st_unit_max = 0;
static int
slisunitfree(int unit)
{
struct sl_softc *nc;
LIST_FOREACH(nc, &sl_list, sl_next) {
if (nc->sc_if.if_dunit == unit)
return (0);
}
return (1);
}
static int
slisstatic(unit)
int unit;
@ -260,7 +272,7 @@ slmarkstatic(unit)
static struct sl_softc *
slcreate()
{
struct sl_softc *sc, *nc;
struct sl_softc *sc;
int unit;
struct mbuf *m;
@ -310,10 +322,8 @@ slcreate()
for (unit=0; ; unit++) {
if (slisstatic(unit))
continue;
LIST_FOREACH(nc, &sl_list, sl_next) {
if (nc->sc_if.if_dunit == unit)
continue;
}
if (!slisunitfree(unit))
continue;
break;
}
if_initname(&sc->sc_if, "sl", unit);
@ -443,7 +453,7 @@ sltioctl(tp, cmd, data, flag, td)
int flag;
struct thread *td;
{
struct sl_softc *sc = (struct sl_softc *)tp->t_sc, *nc;
struct sl_softc *sc = (struct sl_softc *)tp->t_sc;
int s, unit, wasup;
s = splimp();
@ -459,12 +469,8 @@ sltioctl(tp, cmd, data, flag, td)
return (ENXIO);
}
if (sc->sc_if.if_dunit != unit) {
LIST_FOREACH(nc, &sl_list, sl_next) {
if (nc->sc_if.if_dunit == *(u_int *)data) {
splx(s);
return (ENXIO);
}
}
if (!slisunitfree(unit))
return (ENXIO);
wasup = sc->sc_if.if_flags & IFF_UP;
bpfdetach(&sc->sc_if);