ip.h
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- /* -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */
- /*
- * Copyright (c) 1997 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 MASH Research
- * Group at the University of California Berkeley.
- * 4. Neither the name of the University nor of the Research Group 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.
- *
- * @(#) $Header: /cvsroot/nsnam/ns-2/common/ip.h,v 1.16 2006/02/22 13:32:23 mahrenho Exp $
- */
- /* a network layer; basically like IPv6 */
- #ifndef ns_ip_h
- #define ns_ip_h
- #include "config.h"
- #include "packet.h"
- #define IP_HDR_LEN 20
- #define IP_DEF_TTL 32
- // The following undef is to suppress warnings on systems were
- // IP_BROADCAST is defined.
- #ifdef IP_BROADCAST
- #undef IP_BROADCAST
- #endif
- // #define IP_BROADCAST ((u_int32_t) 0xffffffff)
- static const u_int32_t IP_BROADCAST = ((u_int32_t) 0xffffffff);
- struct hdr_ip {
- /* common to IPv{4,6} */
- ns_addr_t src_;
- ns_addr_t dst_;
- int ttl_;
- /* Monarch extn */
- // u_int16_t sport_;
- // u_int16_t dport_;
-
- /* IPv6 */
- int fid_; /* flow id */
- int prio_;
- static int offset_;
- inline static int& offset() { return offset_; }
- inline static hdr_ip* access(const Packet* p) {
- return (hdr_ip*) p->access(offset_);
- }
- /* per-field member acces functions */
- ns_addr_t& src() { return (src_); }
- nsaddr_t& saddr() { return (src_.addr_); }
- int32_t& sport() { return src_.port_;}
- ns_addr_t& dst() { return (dst_); }
- nsaddr_t& daddr() { return (dst_.addr_); }
- int32_t& dport() { return dst_.port_;}
- int& ttl() { return (ttl_); }
- /* ipv6 fields */
- int& flowid() { return (fid_); }
- int& prio() { return (prio_); }
- };
- #endif