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-rw-r--r--sys/net/if_ppp.c84
-rw-r--r--sys/net/if_pppvar.h3
-rw-r--r--sys/net/if_sl.c78
-rw-r--r--sys/net/if_slvar.h3
4 files changed, 103 insertions, 65 deletions
diff --git a/sys/net/if_ppp.c b/sys/net/if_ppp.c
index f165b1c41fc..42d7eb3633d 100644
--- a/sys/net/if_ppp.c
+++ b/sys/net/if_ppp.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: if_ppp.c,v 1.36 2003/08/15 20:32:19 tedu Exp $ */
+/* $OpenBSD: if_ppp.c,v 1.37 2003/12/07 15:41:27 markus Exp $ */
/* $NetBSD: if_ppp.c,v 1.39 1997/05/17 21:11:59 christos Exp $ */
/*
@@ -158,8 +158,6 @@
#include <net/ppp-comp.h>
#endif
-struct ppp_softc ppp_softc[NPPP];
-
static int pppsioctl(struct ifnet *, u_long, caddr_t);
static void ppp_requeue(struct ppp_softc *);
static void ppp_ccp(struct ppp_softc *, struct mbuf *m, int rcvd);
@@ -212,6 +210,11 @@ struct compressor *ppp_compressors[8] = {
};
#endif /* PPP_COMPRESS */
+int ppp_clone_create(struct if_clone *, int);
+
+LIST_HEAD(, ppp_softc) ppp_softc_list;
+struct if_clone ppp_cloner =
+ IF_CLONE_INITIALIZER("ppp", ppp_clone_create, NULL);
/*
* Called from boot code to establish ppp interfaces.
@@ -219,34 +222,52 @@ struct compressor *ppp_compressors[8] = {
void
pppattach()
{
+ LIST_INIT(&ppp_softc_list);
+ if_clone_attach(&ppp_cloner);
+}
+
+int
+ppp_clone_create(ifc, unit)
+ struct if_clone *ifc;
+ int unit;
+{
extern int ifqmaxlen;
register struct ppp_softc *sc;
- register int i = 0;
-
- for (sc = ppp_softc; i < NPPP; sc++) {
- sc->sc_unit = i; /* XXX */
- snprintf(sc->sc_if.if_xname, sizeof sc->sc_if.if_xname, "ppp%d", i++);
- sc->sc_if.if_softc = sc;
- sc->sc_if.if_mtu = PPP_MTU;
- sc->sc_if.if_flags = IFF_POINTOPOINT | IFF_MULTICAST;
- sc->sc_if.if_type = IFT_PPP;
- sc->sc_if.if_hdrlen = PPP_HDRLEN;
- sc->sc_if.if_ioctl = pppsioctl;
- sc->sc_if.if_output = pppoutput;
+ int s;
+
+ sc = malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT);
+ if (!sc)
+ return (ENOMEM);
+ bzero(sc, sizeof(*sc));
+
+ sc->sc_unit = unit;
+ snprintf(sc->sc_if.if_xname, sizeof sc->sc_if.if_xname, "%s%d",
+ ifc->ifc_name, unit);
+ sc->sc_if.if_softc = sc;
+ sc->sc_if.if_mtu = PPP_MTU;
+ sc->sc_if.if_flags = IFF_POINTOPOINT | IFF_MULTICAST;
+ sc->sc_if.if_type = IFT_PPP;
+ sc->sc_if.if_hdrlen = PPP_HDRLEN;
+ sc->sc_if.if_ioctl = pppsioctl;
+ sc->sc_if.if_output = pppoutput;
#ifdef ALTQ
- sc->sc_if.if_start = ppp_ifstart;
+ sc->sc_if.if_start = ppp_ifstart;
#endif
- IFQ_SET_MAXLEN(&sc->sc_if.if_snd, ifqmaxlen);
- sc->sc_inq.ifq_maxlen = ifqmaxlen;
- sc->sc_fastq.ifq_maxlen = ifqmaxlen;
- sc->sc_rawq.ifq_maxlen = ifqmaxlen;
- IFQ_SET_READY(&sc->sc_if.if_snd);
- if_attach(&sc->sc_if);
- if_alloc_sadl(&sc->sc_if);
+ IFQ_SET_MAXLEN(&sc->sc_if.if_snd, ifqmaxlen);
+ sc->sc_inq.ifq_maxlen = ifqmaxlen;
+ sc->sc_fastq.ifq_maxlen = ifqmaxlen;
+ sc->sc_rawq.ifq_maxlen = ifqmaxlen;
+ IFQ_SET_READY(&sc->sc_if.if_snd);
+ if_attach(&sc->sc_if);
+ if_alloc_sadl(&sc->sc_if);
#if NBPFILTER > 0
- bpfattach(&sc->sc_bpf, &sc->sc_if, DLT_PPP, PPP_HDRLEN);
+ bpfattach(&sc->sc_bpf, &sc->sc_if, DLT_PPP, PPP_HDRLEN);
#endif
- }
+ s = splimp();
+ LIST_INSERT_HEAD(&ppp_softc_list, sc, sc_list);
+ splx(s);
+
+ return (0);
}
/*
@@ -256,18 +277,18 @@ struct ppp_softc *
pppalloc(pid)
pid_t pid;
{
- int nppp, i;
+ int i;
struct ppp_softc *sc;
- for (nppp = 0, sc = ppp_softc; nppp < NPPP; nppp++, sc++)
+ LIST_FOREACH(sc, &ppp_softc_list, sc_list)
if (sc->sc_xfer == pid) {
sc->sc_xfer = 0;
return sc;
}
- for (nppp = 0, sc = ppp_softc; nppp < NPPP; nppp++, sc++)
+ LIST_FOREACH(sc, &ppp_softc_list, sc_list)
if (sc->sc_devp == NULL)
break;
- if (nppp >= NPPP)
+ if (sc == NULL)
return NULL;
sc->sc_flags = 0;
@@ -1060,14 +1081,13 @@ void
pppintr()
{
struct ppp_softc *sc;
- int i, s, s2;
+ int s, s2;
struct mbuf *m;
splassert(IPL_SOFTNET);
- sc = ppp_softc;
s = splsoftnet(); /* XXX - what's the point of this? see comment above */
- for (i = 0; i < NPPP; ++i, ++sc) {
+ LIST_FOREACH(sc, &ppp_softc_list, sc_list) {
if (!(sc->sc_flags & SC_TBUSY)
&& (IFQ_IS_EMPTY(&sc->sc_if.if_snd) == 0 || sc->sc_fastq.ifq_head)) {
s2 = splimp();
diff --git a/sys/net/if_pppvar.h b/sys/net/if_pppvar.h
index 835b0d37fa9..e25986d498f 100644
--- a/sys/net/if_pppvar.h
+++ b/sys/net/if_pppvar.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: if_pppvar.h,v 1.14 2003/02/12 14:41:07 jason Exp $ */
+/* $OpenBSD: if_pppvar.h,v 1.15 2003/12/07 15:41:27 markus Exp $ */
/* $NetBSD: if_pppvar.h,v 1.5 1997/01/03 07:23:29 mikel Exp $ */
/*
* if_pppvar.h - private structures and declarations for PPP.
@@ -130,6 +130,7 @@ struct ppp_softc {
u_int16_t sc_outfcs; /* FCS so far for output packet */
u_char sc_rawin[16]; /* chars as received */
int sc_rawin_count; /* # in sc_rawin */
+ LIST_ENTRY(ppp_softc) sc_list; /* all ppp interfaces */
};
#ifdef _KERNEL
diff --git a/sys/net/if_sl.c b/sys/net/if_sl.c
index 52841b2cc2e..e80da9b2155 100644
--- a/sys/net/if_sl.c
+++ b/sys/net/if_sl.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: if_sl.c,v 1.21 2003/08/15 20:32:19 tedu Exp $ */
+/* $OpenBSD: if_sl.c,v 1.22 2003/12/07 15:41:27 markus Exp $ */
/* $NetBSD: if_sl.c,v 1.39.4.1 1996/06/02 16:26:31 thorpej Exp $ */
/*
@@ -174,8 +174,6 @@ Huh? SLMTU way too small.
#define ABT_COUNT 3 /* count of escapes for abort */
#define ABT_WINDOW (ABT_COUNT*2+2) /* in seconds - time to count */
-struct sl_softc *sl_softc;
-int nsl;
#define FRAME_END 0xc0 /* Frame End */
#define FRAME_ESCAPE 0xdb /* Frame Esc */
@@ -185,6 +183,12 @@ int nsl;
static int slinit(struct sl_softc *);
static struct mbuf *sl_btom(struct sl_softc *, int);
+int sl_clone_create(struct if_clone *, int);
+
+LIST_HEAD(, sl_softc) sl_softc_list;
+struct if_clone sl_cloner =
+ IF_CLONE_INITIALIZER("sl", sl_clone_create, NULL);
+
/*
* Called from boot code to establish sl interfaces.
*/
@@ -192,34 +196,46 @@ void
slattach(n)
int n;
{
- register struct sl_softc *sc;
- register int i = 0;
-
- sl_softc = malloc(n * sizeof(struct sl_softc), M_DEVBUF, M_NOWAIT);
- if (!sl_softc)
- return;
- nsl = n;
- bzero(sl_softc, n * sizeof(struct sl_softc));
- for (sc = sl_softc; i < nsl; sc++) {
- sc->sc_unit = i; /* XXX */
- snprintf(sc->sc_if.if_xname, sizeof sc->sc_if.if_xname,
- "sl%d", i++);
- sc->sc_if.if_softc = sc;
- sc->sc_if.if_mtu = SLMTU;
- sc->sc_if.if_flags =
- IFF_POINTOPOINT | SC_AUTOCOMP | IFF_MULTICAST;
- sc->sc_if.if_type = IFT_SLIP;
- sc->sc_if.if_ioctl = slioctl;
- sc->sc_if.if_output = sloutput;
- IFQ_SET_MAXLEN(&sc->sc_if.if_snd, 50);
- sc->sc_fastq.ifq_maxlen = 32;
- IFQ_SET_READY(&sc->sc_if.if_snd);
- if_attach(&sc->sc_if);
- if_alloc_sadl(&sc->sc_if);
+ LIST_INIT(&sl_softc_list);
+ if_clone_attach(&sl_cloner);
+}
+
+int
+sl_clone_create(ifc, unit)
+ struct if_clone *ifc;
+ int unit;
+{
+ struct sl_softc *sc;
+ int s;
+
+ sc = malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT);
+ if (!sc)
+ return (ENOMEM);
+ bzero(sc, sizeof(*sc));
+
+ sc->sc_unit = unit; /* XXX */
+ snprintf(sc->sc_if.if_xname, sizeof sc->sc_if.if_xname, "%s%d",
+ ifc->ifc_name, unit);
+ sc->sc_if.if_softc = sc;
+ sc->sc_if.if_mtu = SLMTU;
+ sc->sc_if.if_flags =
+ IFF_POINTOPOINT | SC_AUTOCOMP | IFF_MULTICAST;
+ sc->sc_if.if_type = IFT_SLIP;
+ sc->sc_if.if_ioctl = slioctl;
+ sc->sc_if.if_output = sloutput;
+ IFQ_SET_MAXLEN(&sc->sc_if.if_snd, 50);
+ sc->sc_fastq.ifq_maxlen = 32;
+ IFQ_SET_READY(&sc->sc_if.if_snd);
+ if_attach(&sc->sc_if);
+ if_alloc_sadl(&sc->sc_if);
#if NBPFILTER > 0
- bpfattach(&sc->sc_bpf, &sc->sc_if, DLT_SLIP, SLIP_HDRLEN);
+ bpfattach(&sc->sc_bpf, &sc->sc_if, DLT_SLIP, SLIP_HDRLEN);
#endif
- }
+ s = splimp();
+ LIST_INSERT_HEAD(&sl_softc_list, sc, sc_list);
+ splx(s);
+
+ return (0);
}
static int
@@ -258,7 +274,7 @@ slopen(dev, tp)
{
struct proc *p = curproc; /* XXX */
register struct sl_softc *sc;
- int i, error, s;
+ int error, s;
if ((error = suser(p, 0)) != 0)
return (error);
@@ -266,7 +282,7 @@ slopen(dev, tp)
if (tp->t_line == SLIPDISC)
return (0);
- for (i = nsl, sc = sl_softc; i--; sc++)
+ LIST_FOREACH(sc, &sl_softc_list, sc_list)
if (sc->sc_ttyp == NULL) {
if (slinit(sc) == 0)
return (ENOBUFS);
diff --git a/sys/net/if_slvar.h b/sys/net/if_slvar.h
index 2108862eda0..97d946bdc44 100644
--- a/sys/net/if_slvar.h
+++ b/sys/net/if_slvar.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: if_slvar.h,v 1.11 2003/06/02 23:28:12 millert Exp $ */
+/* $OpenBSD: if_slvar.h,v 1.12 2003/12/07 15:41:27 markus Exp $ */
/* $NetBSD: if_slvar.h,v 1.16 1996/05/07 02:40:46 thorpej Exp $ */
/*-
@@ -66,6 +66,7 @@ struct sl_softc {
#endif
caddr_t sc_bpf; /* BPF data */
struct timeval sc_lastpacket; /* for watchdog */
+ LIST_ENTRY(sl_softc) sc_list; /* all slip interfaces */
};
/*