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-rw-r--r--freebsd/sys/netatalk/ddp_output.c249
1 files changed, 0 insertions, 249 deletions
diff --git a/freebsd/sys/netatalk/ddp_output.c b/freebsd/sys/netatalk/ddp_output.c
deleted file mode 100644
index 94eedfea..00000000
--- a/freebsd/sys/netatalk/ddp_output.c
+++ /dev/null
@@ -1,249 +0,0 @@
-#include <machine/rtems-bsd-kernel-space.h>
-
-/*-
- * Copyright (c) 1990, 1991 Regents of The University of Michigan.
- * All Rights Reserved.
- *
- * Permission to use, copy, modify, and distribute this software and
- * its documentation for any purpose and without fee is hereby granted,
- * provided that the above copyright notice appears in all copies and
- * that both that copyright notice and this permission notice appear
- * in supporting documentation, and that the name of The University
- * of Michigan not be used in advertising or publicity pertaining to
- * distribution of the software without specific, written prior
- * permission. This software is supplied as is without expressed or
- * implied warranties of any kind.
- *
- * Research Systems Unix Group
- * The University of Michigan
- * c/o Mike Clark
- * 535 W. William Street
- * Ann Arbor, Michigan
- * +1-313-763-0525
- * netatalk@itd.umich.edu
- */
-
-/* $FreeBSD$ */
-
-#include <rtems/bsd/sys/param.h>
-#include <sys/systm.h>
-#include <sys/mbuf.h>
-#include <sys/socket.h>
-#include <sys/socketvar.h>
-
-#include <net/if.h>
-#include <net/route.h>
-
-#undef s_net
-
-#include <netatalk/at.h>
-#include <netatalk/at_var.h>
-#include <netatalk/ddp.h>
-#include <netatalk/ddp_var.h>
-#include <netatalk/at_extern.h>
-
-#include <security/mac/mac_framework.h>
-
-int ddp_cksum = 1;
-
-int
-ddp_output(struct mbuf *m, struct socket *so)
-{
- struct ddpehdr *deh;
- struct ddpcb *ddp = sotoddpcb(so);
-
-#ifdef MAC
- mac_socket_create_mbuf(so, m);
-#endif
-
- M_PREPEND(m, sizeof(struct ddpehdr), M_DONTWAIT);
- if (m == NULL)
- return (ENOBUFS);
-
- deh = mtod(m, struct ddpehdr *);
- deh->deh_pad = 0;
- deh->deh_hops = 0;
-
- deh->deh_len = m->m_pkthdr.len;
-
- deh->deh_dnet = ddp->ddp_fsat.sat_addr.s_net;
- deh->deh_dnode = ddp->ddp_fsat.sat_addr.s_node;
- deh->deh_dport = ddp->ddp_fsat.sat_port;
- deh->deh_snet = ddp->ddp_lsat.sat_addr.s_net;
- deh->deh_snode = ddp->ddp_lsat.sat_addr.s_node;
- deh->deh_sport = ddp->ddp_lsat.sat_port;
-
- /*
- * The checksum calculation is done after all of the other bytes have
- * been filled in.
- */
- if (ddp_cksum)
- deh->deh_sum = at_cksum(m, sizeof(int));
- else
- deh->deh_sum = 0;
- deh->deh_bytes = htonl(deh->deh_bytes);
-
-#ifdef NETATALK_DEBUG
- printf ("ddp_output: from %d.%d:%d to %d.%d:%d\n",
- ntohs(deh->deh_snet), deh->deh_snode, deh->deh_sport,
- ntohs(deh->deh_dnet), deh->deh_dnode, deh->deh_dport);
-#endif
- return (ddp_route(m, &ddp->ddp_route));
-}
-
-u_short
-at_cksum(struct mbuf *m, int skip)
-{
- u_char *data, *end;
- u_long cksum = 0;
-
- for (; m; m = m->m_next) {
- for (data = mtod(m, u_char *), end = data + m->m_len;
- data < end; data++) {
- if (skip) {
- skip--;
- continue;
- }
- cksum = (cksum + *data) << 1;
- if (cksum & 0x00010000)
- cksum++;
- cksum &= 0x0000ffff;
- }
- }
-
- if (cksum == 0)
- cksum = 0x0000ffff;
- return ((u_short)cksum);
-}
-
-int
-ddp_route(struct mbuf *m, struct route *ro)
-{
- struct sockaddr_at gate;
- struct elaphdr *elh;
- struct mbuf *m0;
- struct at_ifaddr *aa = NULL;
- struct ifnet *ifp = NULL;
- u_short net;
-
-#if 0
- /* Check for net zero, node zero ("myself") */
- if (satosat(&ro->ro_dst)->sat_addr.s_net == ATADDR_ANYNET
- && satosat(&ro->ro_dst)->sat_addr.s_node == ATADDR_ANYNODE) {
- /* Find the loopback interface */
- }
-#endif
-
- /*
- * If we have a route, find the ifa that refers to this route. I.e
- * the ifa used to get to the gateway.
- */
- if ((ro->ro_rt == NULL) || (ro->ro_rt->rt_ifa == NULL) ||
- ((ifp = ro->ro_rt->rt_ifa->ifa_ifp) == NULL))
- rtalloc(ro);
- if ((ro->ro_rt != NULL) && (ro->ro_rt->rt_ifa) &&
- (ifp = ro->ro_rt->rt_ifa->ifa_ifp)) {
- net = ntohs(satosat(ro->ro_rt->rt_gateway)->sat_addr.s_net);
- AT_IFADDR_RLOCK();
- TAILQ_FOREACH(aa, &at_ifaddrhead, aa_link) {
- if (((net == 0) || (aa->aa_ifp == ifp)) &&
- net >= ntohs(aa->aa_firstnet) &&
- net <= ntohs(aa->aa_lastnet))
- break;
- }
- if (aa != NULL)
- ifa_ref(&aa->aa_ifa);
- AT_IFADDR_RUNLOCK();
- } else {
- m_freem(m);
-#ifdef NETATALK_DEBUG
- if (ro->ro_rt == NULL)
- printf ("ddp_route: no ro_rt.\n");
- else if (ro->ro_rt->rt_ifa == NULL)
- printf ("ddp_route: no ro_rt->rt_ifa\n");
- else
- printf ("ddp_route: no ro_rt->rt_ifa->ifa_ifp\n");
-#endif
- return (ENETUNREACH);
- }
-
- if (aa == NULL) {
-#ifdef NETATALK_DEBUG
- printf("ddp_route: no atalk address found for %s\n",
- ifp->if_xname);
-#endif
- m_freem(m);
- return (ENETUNREACH);
- }
-
- /*
- * If the destination address is on a directly attached node use
- * that, else use the official gateway.
- */
- if (ntohs(satosat(&ro->ro_dst)->sat_addr.s_net) >=
- ntohs(aa->aa_firstnet) &&
- ntohs(satosat(&ro->ro_dst)->sat_addr.s_net) <=
- ntohs(aa->aa_lastnet))
- gate = *satosat(&ro->ro_dst);
- else
- gate = *satosat(ro->ro_rt->rt_gateway);
-
- /*
- * There are several places in the kernel where data is added to an
- * mbuf without ensuring that the mbuf pointer is aligned. This is
- * bad for transition routing, since phase 1 and phase 2 packets end
- * up poorly aligned due to the three byte elap header.
- *
- * XXXRW: kern/4184 suggests that an m_pullup() of (m) should take
- * place here to address possible alignment issues.
- *
- * XXXRW: This appears not to handle M_PKTHDR properly, as it doesn't
- * move the existing header from the old packet to the new one.
- * Posibly should call M_MOVE_PKTHDR()? This would also allow
- * removing mac_mbuf_copy().
- */
- if (!(aa->aa_flags & AFA_PHASE2)) {
- MGET(m0, M_DONTWAIT, MT_DATA);
- if (m0 == NULL) {
- ifa_free(&aa->aa_ifa);
- m_freem(m);
- printf("ddp_route: no buffers\n");
- return (ENOBUFS);
- }
-#ifdef MAC
- mac_mbuf_copy(m, m0);
-#endif
- m0->m_next = m;
- /* XXX perhaps we ought to align the header? */
- m0->m_len = SZ_ELAPHDR;
- m = m0;
-
- elh = mtod(m, struct elaphdr *);
- elh->el_snode = satosat(&aa->aa_addr)->sat_addr.s_node;
- elh->el_type = ELAP_DDPEXTEND;
- elh->el_dnode = gate.sat_addr.s_node;
- }
- ro->ro_rt->rt_use++;
-
-#ifdef NETATALK_DEBUG
- printf ("ddp_route: from %d.%d to %d.%d, via %d.%d (%s)\n",
- ntohs(satosat(&aa->aa_addr)->sat_addr.s_net),
- satosat(&aa->aa_addr)->sat_addr.s_node,
- ntohs(satosat(&ro->ro_dst)->sat_addr.s_net),
- satosat(&ro->ro_dst)->sat_addr.s_node,
- ntohs(gate.sat_addr.s_net), gate.sat_addr.s_node, ifp->if_xname);
-#endif
-
- /* Short-circuit the output if we're sending this to ourself. */
- if ((satosat(&aa->aa_addr)->sat_addr.s_net ==
- satosat(&ro->ro_dst)->sat_addr.s_net) &&
- (satosat(&aa->aa_addr)->sat_addr.s_node ==
- satosat(&ro->ro_dst)->sat_addr.s_node)) {
- ifa_free(&aa->aa_ifa);
- return (if_simloop(ifp, m, gate.sat_family, 0));
- }
- ifa_free(&aa->aa_ifa);
-
- /* XXX */
- return ((*ifp->if_output)(ifp, m, (struct sockaddr *)&gate, NULL));
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-06 19:49:27 +0000