Let this build even if 'no options INET'.

This commit is contained in:
dyoung 2009-04-28 23:05:25 +00:00
parent 70e3d67b70
commit b99ed0004a

View File

@ -1,4 +1,4 @@
/* $NetBSD: if_gre.c,v 1.139 2008/11/07 00:20:13 dyoung Exp $ */
/* $NetBSD: if_gre.c,v 1.140 2009/04/28 23:05:25 dyoung Exp $ */
/*
* Copyright (c) 1998, 2008 The NetBSD Foundation, Inc.
@ -45,13 +45,13 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_gre.c,v 1.139 2008/11/07 00:20:13 dyoung Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_gre.c,v 1.140 2009/04/28 23:05:25 dyoung Exp $");
#include "opt_atalk.h"
#include "opt_gre.h"
#include "opt_inet.h"
#include "bpfilter.h"
#ifdef INET
#include <sys/param.h>
#include <sys/file.h>
#include <sys/filedesc.h>
@ -66,11 +66,9 @@ __KERNEL_RCSID(0, "$NetBSD: if_gre.c,v 1.139 2008/11/07 00:20:13 dyoung Exp $");
#include <sys/ioctl.h>
#include <sys/queue.h>
#include <sys/intr.h>
#if __NetBSD__
#include <sys/systm.h>
#include <sys/sysctl.h>
#include <sys/kauth.h>
#endif
#include <sys/kernel.h>
#include <sys/mutex.h>
@ -85,16 +83,18 @@ __KERNEL_RCSID(0, "$NetBSD: if_gre.c,v 1.139 2008/11/07 00:20:13 dyoung Exp $");
#include <net/netisr.h>
#include <net/route.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in.h>
#include <netinet/ip.h> /* we always need this for sizeof(struct ip) */
#ifdef INET
#include <netinet/in_var.h>
#include <netinet/ip.h>
#include <netinet/ip_var.h>
#else
#error "Huh? if_gre without inet?"
#endif
#ifdef INET6
#include <netinet6/in6_var.h>
#endif
#ifdef NETATALK
#include <netatalk/at.h>
@ -317,6 +317,11 @@ gre_clone_create(struct if_clone *ifc, int unit)
int rc;
struct gre_softc *sc;
struct gre_soparm *sp;
const struct sockaddr *any;
if ((any = sockaddr_any_by_family(AF_INET)) == NULL &&
(any = sockaddr_any_by_family(AF_INET6)) == NULL)
return -1;
sc = malloc(sizeof(struct gre_softc), M_DEVBUF, M_WAITOK|M_ZERO);
mutex_init(&sc->sc_mtx, MUTEX_DRIVER, IPL_SOFTNET);
@ -334,10 +339,8 @@ gre_clone_create(struct if_clone *ifc, int unit)
sc->sc_if.if_output = gre_output;
sc->sc_if.if_ioctl = gre_ioctl;
sp = &sc->sc_soparm;
sockaddr_copy(sstosa(&sp->sp_dst), sizeof(sp->sp_dst),
sintocsa(&in_any));
sockaddr_copy(sstosa(&sp->sp_src), sizeof(sp->sp_src),
sintocsa(&in_any));
sockaddr_copy(sstosa(&sp->sp_dst), sizeof(sp->sp_dst), any);
sockaddr_copy(sstosa(&sp->sp_src), sizeof(sp->sp_src), any);
sp->sp_proto = IPPROTO_GRE;
sp->sp_type = SOCK_RAW;
@ -531,6 +534,7 @@ gre_socreate(struct gre_softc *sc, const struct gre_soparm *sp, int *fdout)
GRE_DPRINTF(sc, "so_setsockopt ttl failed\n");
rc = 0;
}
val = 1;
rc = so_setsockopt(curlwp, so, SOL_SOCKET, SO_NOHEADER,
&val, sizeof(val));
@ -881,11 +885,13 @@ gre_input(struct gre_softc *sc, struct mbuf *m, int hlen,
hlen += 4;
switch (ntohs(gh->ptype)) { /* ethertypes */
#ifdef INET
case ETHERTYPE_IP:
ifq = &ipintrq;
isr = NETISR_IP;
af = AF_INET;
break;
#endif
#ifdef NETATALK
case ETHERTYPE_ATALK:
ifq = &atintrq1;
@ -946,8 +952,6 @@ gre_output(struct ifnet *ifp, struct mbuf *m, const struct sockaddr *dst,
int error = 0;
struct gre_softc *sc = ifp->if_softc;
struct gre_h *gh;
struct ip *ip;
uint8_t ip_tos = 0;
uint16_t etype = 0;
if ((ifp->if_flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING)) {
@ -965,11 +969,14 @@ gre_output(struct ifnet *ifp, struct mbuf *m, const struct sockaddr *dst,
GRE_DPRINTF(sc, "dst->sa_family=%d\n", dst->sa_family);
switch (dst->sa_family) {
#ifdef INET
case AF_INET:
ip = mtod(m, struct ip *);
ip_tos = ip->ip_tos;
/* TBD Extract the IP ToS field and set the
* encapsulating protocol's ToS to suit.
*/
etype = htons(ETHERTYPE_IP);
break;
#endif
#ifdef NETATALK
case AF_APPLETALK:
etype = htons(ETHERTYPE_ATALK);
@ -1537,15 +1544,11 @@ out:
return error;
}
#endif
void greattach(int);
/* ARGSUSED */
void
greattach(int count)
{
#ifdef INET
if_clone_attach(&gre_cloner);
#endif
}