diff options
Diffstat (limited to 'package/etrax-tools/src/e100boot/libpcap-0.4/linux-include/netinet/ip_var.h')
| -rw-r--r-- | package/etrax-tools/src/e100boot/libpcap-0.4/linux-include/netinet/ip_var.h | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/package/etrax-tools/src/e100boot/libpcap-0.4/linux-include/netinet/ip_var.h b/package/etrax-tools/src/e100boot/libpcap-0.4/linux-include/netinet/ip_var.h new file mode 100644 index 000000000..c528b62fa --- /dev/null +++ b/package/etrax-tools/src/e100boot/libpcap-0.4/linux-include/netinet/ip_var.h @@ -0,0 +1,178 @@ +/* + * 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. + * + * @(#)ip_var.h 8.2 (Berkeley) 1/9/95 + */ + +#include <endian.h> + +/* + * Overlay for ip header used by other protocols (tcp, udp). + */ +struct ipovly { + caddr_t ih_next, ih_prev; /* for protocol sequence q's */ + u_char ih_x1; /* (unused) */ + u_char ih_pr; /* protocol */ + short ih_len; /* protocol length */ + struct in_addr ih_src; /* source internet address */ + struct in_addr ih_dst; /* destination internet address */ +}; + +/* + * Ip reassembly queue structure. Each fragment + * being reassembled is attached to one of these structures. + * They are timed out after ipq_ttl drops to 0, and may also + * be reclaimed if memory becomes tight. + */ +struct ipq { + struct ipq *next,*prev; /* to other reass headers */ + u_char ipq_ttl; /* time for reass q to live */ + u_char ipq_p; /* protocol of this fragment */ + u_short ipq_id; /* sequence id for reassembly */ + struct ipasfrag *ipq_next,*ipq_prev; + /* to ip headers of fragments */ + struct in_addr ipq_src,ipq_dst; +}; + +/* + * Ip header, when holding a fragment. + * + * Note: ipf_next must be at same offset as ipq_next above + */ +struct ipasfrag { +#if BYTE_ORDER == LITTLE_ENDIAN + u_char ip_hl:4, + ip_v:4; +#endif +#if BYTE_ORDER == BIG_ENDIAN + u_char ip_v:4, + ip_hl:4; +#endif + u_char ipf_mff; /* XXX overlays ip_tos: use low bit + * to avoid destroying tos; + * copied from (ip_off&IP_MF) */ + short ip_len; + u_short ip_id; + short ip_off; + u_char ip_ttl; + u_char ip_p; + u_short ip_sum; + struct ipasfrag *ipf_next; /* next fragment */ + struct ipasfrag *ipf_prev; /* previous fragment */ +}; + +/* + * Structure stored in mbuf in inpcb.ip_options + * and passed to ip_output when ip options are in use. + * The actual length of the options (including ipopt_dst) + * is in m_len. + */ +#define MAX_IPOPTLEN 40 + +struct ipoption { + struct in_addr ipopt_dst; /* first-hop dst if source routed */ + char ipopt_list[MAX_IPOPTLEN]; /* options proper */ +}; + +struct ipstat { + n_long ips_total; /* total packets received */ + n_long ips_badsum; /* checksum bad */ + n_long ips_tooshort; /* packet too short */ + n_long ips_toosmall; /* not enough data */ + n_long ips_badhlen; /* ip header length < data size */ + n_long ips_badlen; /* ip length < ip header length */ + n_long ips_fragments; /* fragments received */ + n_long ips_fragdropped; /* frags dropped (dups, out of space) */ + n_long ips_fragtimeout; /* fragments timed out */ + n_long ips_forward; /* packets forwarded */ + n_long ips_cantforward; /* packets rcvd for unreachable dest */ + n_long ips_redirectsent; /* packets forwarded on same net */ + n_long ips_noproto; /* unknown or unsupported protocol */ + n_long ips_delivered; /* datagrams delivered to upper level*/ + n_long ips_localout; /* total ip packets generated here */ + n_long ips_odropped; /* lost packets due to nobufs, etc. */ + n_long ips_reassembled; /* total packets reassembled ok */ + n_long ips_fragmented; /* datagrams sucessfully fragmented */ + n_long ips_ofragments; /* output fragments created */ + n_long ips_cantfrag; /* don't fragment flag was set, etc. */ + n_long ips_badoptions; /* error in option processing */ + n_long ips_noroute; /* packets discarded due to no route */ + n_long ips_badvers; /* ip version != 4 */ + n_long ips_rawout; /* total raw ip packets generated */ +}; + +#ifdef KERNEL +/* flags passed to ip_output as last parameter */ +#define IP_FORWARDING 0x1 /* most of ip header exists */ +#define IP_RAWOUTPUT 0x2 /* raw ip header exists */ +#define IP_ROUTETOIF SO_DONTROUTE /* bypass routing tables */ +#define IP_ALLOWBROADCAST SO_BROADCAST /* can send broadcast packets */ + +struct ipstat ipstat; +struct ipq ipq; /* ip reass. queue */ +u_short ip_id; /* ip packet ctr, for ids */ +int ip_defttl; /* default IP ttl */ + +int in_control __P((struct socket *, n_long, caddr_t, struct ifnet *)); +int ip_ctloutput __P((int, struct socket *, int, int, struct mbuf **)); +void ip_deq __P((struct ipasfrag *)); +int ip_dooptions __P((struct mbuf *)); +void ip_drain __P((void)); +void ip_enq __P((struct ipasfrag *, struct ipasfrag *)); +void ip_forward __P((struct mbuf *, int)); +void ip_freef __P((struct ipq *)); +void ip_freemoptions __P((struct ip_moptions *)); +int ip_getmoptions __P((int, struct ip_moptions *, struct mbuf **)); +void ip_init __P((void)); +int ip_mforward __P((struct mbuf *, struct ifnet *)); +int ip_optcopy __P((struct ip *, struct ip *)); +int ip_output __P((struct mbuf *, + struct mbuf *, struct route *, int, struct ip_moptions *)); +int ip_pcbopts __P((struct mbuf **, struct mbuf *)); +struct ip * + ip_reass __P((struct ipasfrag *, struct ipq *)); +struct in_ifaddr * + ip_rtaddr __P((struct in_addr)); +int ip_setmoptions __P((int, struct ip_moptions **, struct mbuf *)); +void ip_slowtimo __P((void)); +struct mbuf * + ip_srcroute __P((void)); +void ip_stripoptions __P((struct mbuf *, struct mbuf *)); +int ip_sysctl __P((int *, n_long, void *, size_t *, void *, size_t)); +void ipintr __P((void)); +int rip_ctloutput __P((int, struct socket *, int, int, struct mbuf **)); +void rip_init __P((void)); +void rip_input __P((struct mbuf *)); +int rip_output __P((struct mbuf *, struct socket *, n_long)); +int rip_usrreq __P((struct socket *, + int, struct mbuf *, struct mbuf *, struct mbuf *)); +#endif |