diff options
Diffstat (limited to 'sys/netipx/ipx_outputfl.c')
| -rw-r--r-- | sys/netipx/ipx_outputfl.c | 288 |
1 files changed, 0 insertions, 288 deletions
diff --git a/sys/netipx/ipx_outputfl.c b/sys/netipx/ipx_outputfl.c deleted file mode 100644 index e92542e..0000000 --- a/sys/netipx/ipx_outputfl.c +++ /dev/null @@ -1,288 +0,0 @@ -/*- - * Copyright (c) 1984, 1985, 1986, 1987, 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. - * - * Copyright (c) 1995, Mike Mitchell - * - * 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. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 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. - * - * @(#)ipx_outputfl.c - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/mbuf.h> -#include <sys/socket.h> - -#include <net/if.h> -#include <net/if_var.h> -#include <net/route.h> - -#include <netipx/ipx.h> -#include <netipx/ipx_if.h> -#include <netipx/ipx_var.h> - -int -ipx_outputfl(struct mbuf *m0, struct route *ro, int flags) -{ - struct ipx *ipx = mtod(m0, struct ipx *); - struct ifnet *ifp = NULL; - int error = 0; - struct sockaddr_ipx *dst; - struct route ipxroute; - - /* - * Route packet. - */ - if (ro == NULL) { - ro = &ipxroute; - bzero((caddr_t)ro, sizeof(*ro)); - } - dst = (struct sockaddr_ipx *)&ro->ro_dst; - if (ro->ro_rt == NULL) { - dst->sipx_family = AF_IPX; - dst->sipx_len = sizeof(*dst); - dst->sipx_addr = ipx->ipx_dna; - dst->sipx_addr.x_port = 0; - /* - * If routing to interface only, - * short circuit routing lookup. - */ - if (flags & IPX_ROUTETOIF) { - struct ipx_ifaddr *ia; - - IPX_IFADDR_RLOCK(); - ia = ipx_iaonnetof(&ipx->ipx_dna); - if (ia == NULL) { - IPX_IFADDR_RUNLOCK(); - ipxstat.ipxs_noroute++; - error = ENETUNREACH; - goto bad; - } - ifp = ia->ia_ifp; - IPX_IFADDR_RUNLOCK(); - goto gotif; - } - rtalloc_ign(ro, 0); - } else if ((ro->ro_rt->rt_flags & RTF_UP) == 0) { - /* - * The old route has gone away; try for a new one. - */ - RTFREE(ro->ro_rt); - ro->ro_rt = NULL; - rtalloc_ign(ro, 0); - } - if (ro->ro_rt == NULL || (ifp = ro->ro_rt->rt_ifp) == NULL) { - ipxstat.ipxs_noroute++; - error = ENETUNREACH; - goto bad; - } - counter_u64_add(ro->ro_rt->rt_pksent, 1); - if (ro->ro_rt->rt_flags & (RTF_GATEWAY|RTF_HOST)) - dst = (struct sockaddr_ipx *)ro->ro_rt->rt_gateway; -gotif: - /* - * Look for multicast addresses and - * and verify user is allowed to send - * such a packet. - */ - if (dst->sipx_addr.x_host.c_host[0]&1) { - if ((ifp->if_flags & (IFF_BROADCAST | IFF_LOOPBACK)) == 0) { - error = EADDRNOTAVAIL; - goto bad; - } - if ((flags & IPX_ALLOWBROADCAST) == 0) { - error = EACCES; - goto bad; - } - m0->m_flags |= M_BCAST; - } - - if (htons(ipx->ipx_len) <= ifp->if_mtu) { - ipxstat.ipxs_localout++; - error = (*ifp->if_output)(ifp, m0, - (struct sockaddr *)dst, ro); - goto done; - } else { - ipxstat.ipxs_mtutoosmall++; - error = EMSGSIZE; - } -bad: - m_freem(m0); -done: - if (ro == &ipxroute && (flags & IPX_ROUTETOIF) == 0 && - ro->ro_rt != NULL) { - RTFREE(ro->ro_rt); - ro->ro_rt = NULL; - } - return (error); -} - -/* - * This will broadcast the type 20 (Netbios) packet to all the interfaces - * that have ipx configured and isn't in the list yet. - */ -int -ipx_output_type20(struct mbuf *m) -{ - struct ipx *ipx; - union ipx_net *nbnet; - struct ipx_ifaddr *ia, *tia; - int error = 0; - struct mbuf *m1; - int i; - struct ifnet *ifp; - struct sockaddr_ipx dst; - - /* - * We have to get to the 32 bytes after the ipx header also, so - * that we can fill in the network address of the receiving - * interface. - */ - if ((m->m_flags & M_EXT || m->m_len < (sizeof(struct ipx) + 32)) && - (m = m_pullup(m, sizeof(struct ipx) + 32)) == NULL) { - ipxstat.ipxs_toosmall++; - return (0); - } - ipx = mtod(m, struct ipx *); - nbnet = (union ipx_net *)(ipx + 1); - - if (ipx->ipx_tc >= 8) - goto bad; - /* - * Now see if we have already seen this. - */ - tia = NULL; - IPX_IFADDR_RLOCK(); - TAILQ_FOREACH(ia, &ipx_ifaddrhead, ia_link) { - if (ia->ia_ifa.ifa_ifp == m->m_pkthdr.rcvif) { - if (tia == NULL) - tia = ia; - for (i=0; i < ipx->ipx_tc; i++, nbnet++) { - if (ipx_neteqnn(ia->ia_addr.sipx_addr.x_net, - *nbnet)) { - IPX_IFADDR_RUNLOCK(); - goto bad; - } - } - } - } - - /* - * Don't route the packet if the interface where it come from - * does not have an IPX address. - */ - if (tia == NULL) { - IPX_IFADDR_RUNLOCK(); - goto bad; - } - - /* - * Add our receiving interface to the list. - */ - nbnet = (union ipx_net *)(ipx + 1); - nbnet += ipx->ipx_tc; - *nbnet = tia->ia_addr.sipx_addr.x_net; - - /* - * Increment the hop count. - */ - ipx->ipx_tc++; - ipxstat.ipxs_forward++; - - /* - * Send to all directly connected ifaces not in list and - * not to the one it came from. - */ - m->m_flags &= ~M_BCAST; - bzero(&dst, sizeof(dst)); - dst.sipx_family = AF_IPX; - dst.sipx_len = 12; - dst.sipx_addr.x_host = ipx_broadhost; - - TAILQ_FOREACH(ia, &ipx_ifaddrhead, ia_link) { - if (ia->ia_ifa.ifa_ifp != m->m_pkthdr.rcvif) { - nbnet = (union ipx_net *)(ipx + 1); - for (i=0; i < ipx->ipx_tc; i++, nbnet++) - if (ipx_neteqnn(ia->ia_addr.sipx_addr.x_net, - *nbnet)) - goto skip_this; - - /* - * Insert the net address of the dest net and - * calculate the new checksum if needed. - */ - ifp = ia->ia_ifa.ifa_ifp; - dst.sipx_addr.x_net = ia->ia_addr.sipx_addr.x_net; - ipx->ipx_dna.x_net = dst.sipx_addr.x_net; - if(ipx->ipx_sum != 0xffff) - ipx->ipx_sum = ipx_cksum(m, ntohs(ipx->ipx_len)); - - m1 = m_copym(m, 0, M_COPYALL, M_NOWAIT); - if(m1) { - error = (*ifp->if_output)(ifp, m1, - (struct sockaddr *)&dst, NULL); - /* XXX ipxstat.ipxs_localout++; */ - } -skip_this: ; - } - } - IPX_IFADDR_RUNLOCK(); - -bad: - m_freem(m); - return (error); -} |
