diff options
Diffstat (limited to 'freebsd/sys/net/if_faith.c')
| -rw-r--r-- | freebsd/sys/net/if_faith.c | 353 |
1 files changed, 0 insertions, 353 deletions
diff --git a/freebsd/sys/net/if_faith.c b/freebsd/sys/net/if_faith.c deleted file mode 100644 index cf4a7fba..00000000 --- a/freebsd/sys/net/if_faith.c +++ /dev/null @@ -1,353 +0,0 @@ -#include <machine/rtems-bsd-kernel-space.h> - -/* $KAME: if_faith.c,v 1.23 2001/12/17 13:55:29 sumikawa Exp $ */ - -/*- - * Copyright (c) 1982, 1986, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD$ - */ -/* - * derived from - * @(#)if_loop.c 8.1 (Berkeley) 6/10/93 - * Id: if_loop.c,v 1.22 1996/06/19 16:24:10 wollman Exp - */ - -/* - * Loopback interface driver for protocol testing and timing. - */ -#include <rtems/bsd/local/opt_inet.h> -#include <rtems/bsd/local/opt_inet6.h> - -#include <rtems/bsd/sys/param.h> -#include <sys/systm.h> -#include <sys/kernel.h> -#include <sys/mbuf.h> -#include <sys/module.h> -#include <sys/socket.h> -#include <rtems/bsd/sys/errno.h> -#include <sys/sockio.h> -#include <sys/time.h> -#include <sys/queue.h> -#include <sys/types.h> -#include <sys/malloc.h> - -#include <net/if.h> -#include <net/if_clone.h> -#include <net/if_types.h> -#include <net/netisr.h> -#include <net/route.h> -#include <net/bpf.h> -#include <net/vnet.h> - -#ifdef INET -#include <netinet/in.h> -#include <netinet/in_systm.h> -#include <netinet/in_var.h> -#include <netinet/ip.h> -#endif - -#ifdef INET6 -#ifndef INET -#include <netinet/in.h> -#endif -#include <netinet6/in6_var.h> -#include <netinet/ip6.h> -#include <netinet6/ip6_var.h> -#endif - -#define FAITHNAME "faith" - -struct faith_softc { - struct ifnet *sc_ifp; -}; - -static int faithioctl(struct ifnet *, u_long, caddr_t); -int faithoutput(struct ifnet *, struct mbuf *, struct sockaddr *, - struct route *); -static void faithrtrequest(int, struct rtentry *, struct rt_addrinfo *); -#ifdef INET6 -static int faithprefix(struct in6_addr *); -#endif - -static int faithmodevent(module_t, int, void *); - -static MALLOC_DEFINE(M_FAITH, FAITHNAME, "Firewall Assisted Tunnel Interface"); - -static int faith_clone_create(struct if_clone *, int, caddr_t); -static void faith_clone_destroy(struct ifnet *); - -IFC_SIMPLE_DECLARE(faith, 0); - -#define FAITHMTU 1500 - -static int -faithmodevent(mod, type, data) - module_t mod; - int type; - void *data; -{ - - switch (type) { - case MOD_LOAD: - if_clone_attach(&faith_cloner); - -#ifdef INET6 - faithprefix_p = faithprefix; -#endif - - break; - case MOD_UNLOAD: -#ifdef INET6 - faithprefix_p = NULL; -#endif - - if_clone_detach(&faith_cloner); - break; - default: - return EOPNOTSUPP; - } - return 0; -} - -static moduledata_t faith_mod = { - "if_faith", - faithmodevent, - 0 -}; - -DECLARE_MODULE(if_faith, faith_mod, SI_SUB_PSEUDO, SI_ORDER_ANY); -MODULE_VERSION(if_faith, 1); - -static int -faith_clone_create(ifc, unit, params) - struct if_clone *ifc; - int unit; - caddr_t params; -{ - struct ifnet *ifp; - struct faith_softc *sc; - - sc = malloc(sizeof(struct faith_softc), M_FAITH, M_WAITOK | M_ZERO); - ifp = sc->sc_ifp = if_alloc(IFT_FAITH); - if (ifp == NULL) { - free(sc, M_FAITH); - return (ENOSPC); - } - - ifp->if_softc = sc; - if_initname(sc->sc_ifp, ifc->ifc_name, unit); - - ifp->if_mtu = FAITHMTU; - /* Change to BROADCAST experimentaly to announce its prefix. */ - ifp->if_flags = /* IFF_LOOPBACK */ IFF_BROADCAST | IFF_MULTICAST; - ifp->if_ioctl = faithioctl; - ifp->if_output = faithoutput; - ifp->if_hdrlen = 0; - ifp->if_addrlen = 0; - ifp->if_snd.ifq_maxlen = ifqmaxlen; - if_attach(ifp); - bpfattach(ifp, DLT_NULL, sizeof(u_int32_t)); - return (0); -} - -static void -faith_clone_destroy(ifp) - struct ifnet *ifp; -{ - struct faith_softc *sc = ifp->if_softc; - - bpfdetach(ifp); - if_detach(ifp); - if_free(ifp); - free(sc, M_FAITH); -} - -int -faithoutput(ifp, m, dst, ro) - struct ifnet *ifp; - struct mbuf *m; - struct sockaddr *dst; - struct route *ro; -{ - int isr; - u_int32_t af; - struct rtentry *rt = NULL; - - M_ASSERTPKTHDR(m); - - if (ro != NULL) - rt = ro->ro_rt; - /* BPF writes need to be handled specially. */ - if (dst->sa_family == AF_UNSPEC) { - bcopy(dst->sa_data, &af, sizeof(af)); - dst->sa_family = af; - } - - if (bpf_peers_present(ifp->if_bpf)) { - af = dst->sa_family; - bpf_mtap2(ifp->if_bpf, &af, sizeof(af), m); - } - - if (rt && rt->rt_flags & (RTF_REJECT|RTF_BLACKHOLE)) { - m_freem(m); - return (rt->rt_flags & RTF_BLACKHOLE ? 0 : - rt->rt_flags & RTF_HOST ? EHOSTUNREACH : ENETUNREACH); - } - ifp->if_opackets++; - ifp->if_obytes += m->m_pkthdr.len; - switch (dst->sa_family) { -#ifdef INET - case AF_INET: - isr = NETISR_IP; - break; -#endif -#ifdef INET6 - case AF_INET6: - isr = NETISR_IPV6; - break; -#endif - default: - m_freem(m); - return EAFNOSUPPORT; - } - - /* XXX do we need more sanity checks? */ - - m->m_pkthdr.rcvif = ifp; - ifp->if_ipackets++; - ifp->if_ibytes += m->m_pkthdr.len; - netisr_dispatch(isr, m); - return (0); -} - -/* ARGSUSED */ -static void -faithrtrequest(cmd, rt, info) - int cmd; - struct rtentry *rt; - struct rt_addrinfo *info; -{ - RT_LOCK_ASSERT(rt); - rt->rt_rmx.rmx_mtu = rt->rt_ifp->if_mtu; -} - -/* - * Process an ioctl request. - */ -/* ARGSUSED */ -static int -faithioctl(ifp, cmd, data) - struct ifnet *ifp; - u_long cmd; - caddr_t data; -{ - struct ifaddr *ifa; - struct ifreq *ifr = (struct ifreq *)data; - int error = 0; - - switch (cmd) { - - case SIOCSIFADDR: - ifp->if_flags |= IFF_UP; - ifp->if_drv_flags |= IFF_DRV_RUNNING; - ifa = (struct ifaddr *)data; - ifa->ifa_rtrequest = faithrtrequest; - /* - * Everything else is done at a higher level. - */ - break; - - case SIOCADDMULTI: - case SIOCDELMULTI: - if (ifr == 0) { - error = EAFNOSUPPORT; /* XXX */ - break; - } - switch (ifr->ifr_addr.sa_family) { -#ifdef INET - case AF_INET: - break; -#endif -#ifdef INET6 - case AF_INET6: - break; -#endif - - default: - error = EAFNOSUPPORT; - break; - } - break; - -#ifdef SIOCSIFMTU - case SIOCSIFMTU: - ifp->if_mtu = ifr->ifr_mtu; - break; -#endif - - case SIOCSIFFLAGS: - break; - - default: - error = EINVAL; - } - return (error); -} - -#ifdef INET6 -/* - * XXX could be slow - * XXX could be layer violation to call sys/net from sys/netinet6 - */ -static int -faithprefix(in6) - struct in6_addr *in6; -{ - struct rtentry *rt; - struct sockaddr_in6 sin6; - int ret; - - if (V_ip6_keepfaith == 0) - return 0; - - bzero(&sin6, sizeof(sin6)); - sin6.sin6_family = AF_INET6; - sin6.sin6_len = sizeof(struct sockaddr_in6); - sin6.sin6_addr = *in6; - rt = in6_rtalloc1((struct sockaddr *)&sin6, 0, 0UL, RT_DEFAULT_FIB); - if (rt && rt->rt_ifp && rt->rt_ifp->if_type == IFT_FAITH && - (rt->rt_ifp->if_flags & IFF_UP) != 0) - ret = 1; - else - ret = 0; - if (rt) - RTFREE_LOCKED(rt); - return ret; -} -#endif |