Add qemu 2.4.0

[kvmfornfv.git] / qemu / slirp / tcpip.h

diff --git a/qemu/slirp/tcpip.h b/qemu/slirp/tcpip.h
new file mode 100644 (file)
index 0000000..7974ce3
--- /dev/null
+++ b/qemu/slirp/tcpip.h
@@ -0,0 +1,77 @@
+/*
+ * 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. 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.
+ *
+ *     @(#)tcpip.h     8.1 (Berkeley) 6/10/93
+ * tcpip.h,v 1.3 1994/08/21 05:27:40 paul Exp
+ */
+
+#ifndef _TCPIP_H_
+#define _TCPIP_H_
+
+/*
+ * Tcp+ip header, after ip options removed.
+ */
+struct tcpiphdr {
+       struct  ipovly ti_i;            /* overlaid ip structure */
+       struct  tcphdr ti_t;            /* tcp header */
+};
+#define        ti_mbuf         ti_i.ih_mbuf.mptr
+#define        ti_x1           ti_i.ih_x1
+#define        ti_pr           ti_i.ih_pr
+#define        ti_len          ti_i.ih_len
+#define        ti_src          ti_i.ih_src
+#define        ti_dst          ti_i.ih_dst
+#define        ti_sport        ti_t.th_sport
+#define        ti_dport        ti_t.th_dport
+#define        ti_seq          ti_t.th_seq
+#define        ti_ack          ti_t.th_ack
+#define        ti_x2           ti_t.th_x2
+#define        ti_off          ti_t.th_off
+#define        ti_flags        ti_t.th_flags
+#define        ti_win          ti_t.th_win
+#define        ti_sum          ti_t.th_sum
+#define        ti_urp          ti_t.th_urp
+
+#define tcpiphdr2qlink(T) ((struct qlink*)(((char*)(T)) - sizeof(struct qlink)))
+#define qlink2tcpiphdr(Q) ((struct tcpiphdr*)(((char*)(Q)) + sizeof(struct qlink)))
+#define tcpiphdr_next(T) qlink2tcpiphdr(tcpiphdr2qlink(T)->next)
+#define tcpiphdr_prev(T) qlink2tcpiphdr(tcpiphdr2qlink(T)->prev)
+#define tcpfrag_list_first(T) qlink2tcpiphdr((T)->seg_next)
+#define tcpfrag_list_end(F, T) (tcpiphdr2qlink(F) == (struct qlink*)(T))
+#define tcpfrag_list_empty(T) ((T)->seg_next == (struct tcpiphdr*)(T))
+
+/*
+ * Just a clean way to get to the first byte
+ * of the packet
+ */
+struct tcpiphdr_2 {
+       struct tcpiphdr dummy;
+       char first_char;
+};
+
+#endif