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authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2004-04-22 00:10:48 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2004-04-22 00:10:48 +0000
commitf0cbd3ec9f4a3de1a9ef94deda09704543889f44 (patch)
tree153d540a8c714054614f5f368a3d23432f915f17 /slirp/udp.h
parent7c1f25b46a7c9c4b953976631ae94a07e4ba531a (diff)
initial user mode network support
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@733 c046a42c-6fe2-441c-8c8c-71466251a162
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diff --git a/slirp/udp.h b/slirp/udp.h
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+/*
+ * 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.
+ * 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.
+ *
+ * @(#)udp.h 8.1 (Berkeley) 6/10/93
+ * udp.h,v 1.3 1994/08/21 05:27:41 paul Exp
+ */
+
+#ifndef _UDP_H_
+#define _UDP_H_
+
+#define UDP_TTL 0x60
+#define UDP_UDPDATALEN 16192
+
+extern struct socket *udp_last_so;
+
+/*
+ * Udp protocol header.
+ * Per RFC 768, September, 1981.
+ */
+struct udphdr {
+ u_int16_t uh_sport; /* source port */
+ u_int16_t uh_dport; /* destination port */
+ int16_t uh_ulen; /* udp length */
+ u_int16_t uh_sum; /* udp checksum */
+};
+
+/*
+ * UDP kernel structures and variables.
+ */
+struct udpiphdr {
+ struct ipovly ui_i; /* overlaid ip structure */
+ struct udphdr ui_u; /* udp header */
+};
+#define ui_next ui_i.ih_next
+#define ui_prev ui_i.ih_prev
+#define ui_x1 ui_i.ih_x1
+#define ui_pr ui_i.ih_pr
+#define ui_len ui_i.ih_len
+#define ui_src ui_i.ih_src
+#define ui_dst ui_i.ih_dst
+#define ui_sport ui_u.uh_sport
+#define ui_dport ui_u.uh_dport
+#define ui_ulen ui_u.uh_ulen
+#define ui_sum ui_u.uh_sum
+
+struct udpstat {
+ /* input statistics: */
+ u_long udps_ipackets; /* total input packets */
+ u_long udps_hdrops; /* packet shorter than header */
+ u_long udps_badsum; /* checksum error */
+ u_long udps_badlen; /* data length larger than packet */
+ u_long udps_noport; /* no socket on port */
+ u_long udps_noportbcast; /* of above, arrived as broadcast */
+ u_long udps_fullsock; /* not delivered, input socket full */
+ u_long udpps_pcbcachemiss; /* input packets missing pcb cache */
+ /* output statistics: */
+ u_long udps_opackets; /* total output packets */
+};
+
+/*
+ * Names for UDP sysctl objects
+ */
+#define UDPCTL_CHECKSUM 1 /* checksum UDP packets */
+#define UDPCTL_MAXID 2
+
+extern struct udpstat udpstat;
+extern struct socket udb;
+
+void udp_init _P((void));
+void udp_input _P((register struct mbuf *, int));
+int udp_output _P((struct socket *, struct mbuf *, struct sockaddr_in *));
+int udp_attach _P((struct socket *));
+void udp_detach _P((struct socket *));
+u_int8_t udp_tos _P((struct socket *));
+void udp_emu _P((struct socket *, struct mbuf *));
+struct socket * udp_listen _P((u_int, u_int32_t, u_int, int));
+int udp_output2(struct socket *so, struct mbuf *m,
+ struct sockaddr_in *saddr, struct sockaddr_in *daddr,
+ int iptos);
+#endif