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authorSebastian Huber <sebastian.huber@embedded-brains.de>2013-10-09 22:42:09 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2013-10-10 09:06:58 +0200
commitbceabc95c1c85d793200446fa85f1ddc6313ea29 (patch)
tree973c8bd8deca9fd69913f2895cc91e0e6114d46c /freebsd/sys/net/raw_usrreq.c
parentAdd FreeBSD sources as a submodule (diff)
downloadrtems-libbsd-bceabc95c1c85d793200446fa85f1ddc6313ea29.tar.bz2
Move files to match FreeBSD layout
Diffstat (limited to 'freebsd/sys/net/raw_usrreq.c')
-rw-r--r--freebsd/sys/net/raw_usrreq.c266
1 files changed, 266 insertions, 0 deletions
diff --git a/freebsd/sys/net/raw_usrreq.c b/freebsd/sys/net/raw_usrreq.c
new file mode 100644
index 00000000..bdf3369e
--- /dev/null
+++ b/freebsd/sys/net/raw_usrreq.c
@@ -0,0 +1,266 @@
+#include <freebsd/machine/rtems-bsd-config.h>
+
+/*-
+ * Copyright (c) 1980, 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.
+ *
+ * @(#)raw_usrreq.c 8.1 (Berkeley) 6/10/93
+ * $FreeBSD$
+ */
+
+#include <freebsd/sys/param.h>
+#include <freebsd/sys/kernel.h>
+#include <freebsd/sys/lock.h>
+#include <freebsd/sys/malloc.h>
+#include <freebsd/sys/mbuf.h>
+#include <freebsd/sys/mutex.h>
+#include <freebsd/sys/priv.h>
+#include <freebsd/sys/protosw.h>
+#include <freebsd/sys/signalvar.h>
+#include <freebsd/sys/socket.h>
+#include <freebsd/sys/socketvar.h>
+#include <freebsd/sys/sx.h>
+#include <freebsd/sys/systm.h>
+
+#include <freebsd/net/if.h>
+#include <freebsd/net/raw_cb.h>
+#include <freebsd/net/vnet.h>
+
+MTX_SYSINIT(rawcb_mtx, &rawcb_mtx, "rawcb", MTX_DEF);
+
+/*
+ * Initialize raw connection block q.
+ */
+void
+raw_init(void)
+{
+
+ LIST_INIT(&V_rawcb_list);
+}
+
+/*
+ * Raw protocol input routine. Find the socket associated with the packet(s)
+ * and move them over. If nothing exists for this packet, drop it.
+ */
+/*
+ * Raw protocol interface.
+ */
+void
+raw_input(struct mbuf *m0, struct sockproto *proto, struct sockaddr *src)
+{
+ struct rawcb *rp;
+ struct mbuf *m = m0;
+ struct socket *last;
+
+ last = 0;
+ mtx_lock(&rawcb_mtx);
+ LIST_FOREACH(rp, &V_rawcb_list, list) {
+ if (rp->rcb_proto.sp_family != proto->sp_family)
+ continue;
+ if (rp->rcb_proto.sp_protocol &&
+ rp->rcb_proto.sp_protocol != proto->sp_protocol)
+ continue;
+ if (last) {
+ struct mbuf *n;
+ n = m_copy(m, 0, (int)M_COPYALL);
+ if (n) {
+ if (sbappendaddr(&last->so_rcv, src,
+ n, (struct mbuf *)0) == 0)
+ /* should notify about lost packet */
+ m_freem(n);
+ else
+ sorwakeup(last);
+ }
+ }
+ last = rp->rcb_socket;
+ }
+ if (last) {
+ if (sbappendaddr(&last->so_rcv, src,
+ m, (struct mbuf *)0) == 0)
+ m_freem(m);
+ else
+ sorwakeup(last);
+ } else
+ m_freem(m);
+ mtx_unlock(&rawcb_mtx);
+}
+
+/*ARGSUSED*/
+void
+raw_ctlinput(int cmd, struct sockaddr *arg, void *dummy)
+{
+
+ if (cmd < 0 || cmd >= PRC_NCMDS)
+ return;
+ /* INCOMPLETE */
+}
+
+static void
+raw_uabort(struct socket *so)
+{
+
+ KASSERT(sotorawcb(so) != NULL, ("raw_uabort: rp == NULL"));
+
+ soisdisconnected(so);
+}
+
+static void
+raw_uclose(struct socket *so)
+{
+
+ KASSERT(sotorawcb(so) != NULL, ("raw_uabort: rp == NULL"));
+
+ soisdisconnected(so);
+}
+
+/* pru_accept is EOPNOTSUPP */
+
+static int
+raw_uattach(struct socket *so, int proto, struct thread *td)
+{
+ int error;
+
+ /*
+ * Implementors of raw sockets will already have allocated the PCB,
+ * so it must be non-NULL here.
+ */
+ KASSERT(sotorawcb(so) != NULL, ("raw_uattach: so_pcb == NULL"));
+
+ if (td != NULL) {
+ error = priv_check(td, PRIV_NET_RAW);
+ if (error)
+ return (error);
+ }
+ return (raw_attach(so, proto));
+}
+
+static int
+raw_ubind(struct socket *so, struct sockaddr *nam, struct thread *td)
+{
+
+ return (EINVAL);
+}
+
+static int
+raw_uconnect(struct socket *so, struct sockaddr *nam, struct thread *td)
+{
+
+ return (EINVAL);
+}
+
+/* pru_connect2 is EOPNOTSUPP */
+/* pru_control is EOPNOTSUPP */
+
+static void
+raw_udetach(struct socket *so)
+{
+ struct rawcb *rp = sotorawcb(so);
+
+ KASSERT(rp != NULL, ("raw_udetach: rp == NULL"));
+
+ raw_detach(rp);
+}
+
+static int
+raw_udisconnect(struct socket *so)
+{
+
+ KASSERT(sotorawcb(so) != NULL, ("raw_udisconnect: rp == NULL"));
+
+ return (ENOTCONN);
+}
+
+/* pru_listen is EOPNOTSUPP */
+
+static int
+raw_upeeraddr(struct socket *so, struct sockaddr **nam)
+{
+
+ KASSERT(sotorawcb(so) != NULL, ("raw_upeeraddr: rp == NULL"));
+
+ return (ENOTCONN);
+}
+
+/* pru_rcvd is EOPNOTSUPP */
+/* pru_rcvoob is EOPNOTSUPP */
+
+static int
+raw_usend(struct socket *so, int flags, struct mbuf *m, struct sockaddr *nam,
+ struct mbuf *control, struct thread *td)
+{
+
+ KASSERT(sotorawcb(so) != NULL, ("raw_usend: rp == NULL"));
+
+ if ((flags & PRUS_OOB) || (control && control->m_len)) {
+ /* XXXRW: Should control also be freed here? */
+ if (m != NULL)
+ m_freem(m);
+ return (EOPNOTSUPP);
+ }
+
+ /*
+ * For historical (bad?) reasons, we effectively ignore the address
+ * argument to sendto(2). Perhaps we should return an error instead?
+ */
+ return ((*so->so_proto->pr_output)(m, so));
+}
+
+/* pru_sense is null */
+
+static int
+raw_ushutdown(struct socket *so)
+{
+
+ KASSERT(sotorawcb(so) != NULL, ("raw_ushutdown: rp == NULL"));
+
+ socantsendmore(so);
+ return (0);
+}
+
+static int
+raw_usockaddr(struct socket *so, struct sockaddr **nam)
+{
+
+ KASSERT(sotorawcb(so) != NULL, ("raw_usockaddr: rp == NULL"));
+
+ return (EINVAL);
+}
+
+struct pr_usrreqs raw_usrreqs = {
+ .pru_abort = raw_uabort,
+ .pru_attach = raw_uattach,
+ .pru_bind = raw_ubind,
+ .pru_connect = raw_uconnect,
+ .pru_detach = raw_udetach,
+ .pru_disconnect = raw_udisconnect,
+ .pru_peeraddr = raw_upeeraddr,
+ .pru_send = raw_usend,
+ .pru_shutdown = raw_ushutdown,
+ .pru_sockaddr = raw_usockaddr,
+ .pru_close = raw_uclose,
+};