diff options
Diffstat (limited to 'sys/netinet6/ip6_var.h')
| -rw-r--r-- | sys/netinet6/ip6_var.h | 186 |
1 files changed, 117 insertions, 69 deletions
diff --git a/sys/netinet6/ip6_var.h b/sys/netinet6/ip6_var.h index 2e70bcb..f6f3824 100644 --- a/sys/netinet6/ip6_var.h +++ b/sys/netinet6/ip6_var.h @@ -1,3 +1,6 @@ +/* $FreeBSD$ */ +/* $KAME: ip6_var.h,v 1.33 2000/06/11 14:59:20 jinmei Exp $ */ + /* * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. * All rights reserved. @@ -25,8 +28,6 @@ * 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. - * - * $FreeBSD$ */ /* @@ -72,35 +73,37 @@ * being reassembled is attached to one of these structures. */ struct ip6q { - u_long ip6q_head; - u_short ip6q_len; - u_char ip6q_nxt; - u_char ip6q_hlim; - struct ip6asfrag *ip6q_down; - struct ip6asfrag *ip6q_up; - u_long ip6q_ident; - u_char ip6q_arrive; - u_char ip6q_ttl; - struct in6_addr ip6q_src, ip6q_dst; - struct ip6q *ip6q_next; - struct ip6q *ip6q_prev; - int ip6q_unfrglen; + u_int32_t ip6q_head; + u_int16_t ip6q_len; + u_int8_t ip6q_nxt; /* ip6f_nxt in first fragment */ + u_int8_t ip6q_hlim; + struct ip6asfrag *ip6q_down; + struct ip6asfrag *ip6q_up; + u_int32_t ip6q_ident; + u_int8_t ip6q_arrive; + u_int8_t ip6q_ttl; + struct in6_addr ip6q_src, ip6q_dst; + struct ip6q *ip6q_next; + struct ip6q *ip6q_prev; + int ip6q_unfrglen; /* len of unfragmentable part */ +#ifdef notyet + u_char *ip6q_nxtp; +#endif }; struct ip6asfrag { - u_long ip6af_head; - u_short ip6af_len; - u_char ip6af_nxt; - u_char ip6af_hlim; + u_int32_t ip6af_head; + u_int16_t ip6af_len; + u_int8_t ip6af_nxt; + u_int8_t ip6af_hlim; /* must not override the above members during reassembling */ - struct ip6asfrag *ip6af_down; - struct ip6asfrag *ip6af_up; - u_short ip6af_mff; - u_short ip6af_off; - struct mbuf *ip6af_m; - u_long ip6af_offset; /* offset where next header starts */ - u_short ip6af_frglen; /* fragmentable part length */ - u_char ip6af_x1[10]; + struct ip6asfrag *ip6af_down; + struct ip6asfrag *ip6af_up; + struct mbuf *ip6af_m; + int ip6af_offset; /* offset in ip6af_m to next header */ + int ip6af_frglen; /* fragmentable part length */ + int ip6af_off; /* fragment offset */ + u_int16_t ip6af_mff; /* more fragment bit in frag off */ }; #define IP6_REASS_MBUF(ip6af) (*(struct mbuf **)&((ip6af)->ip6af_m)) @@ -121,8 +124,8 @@ struct ip6po_rhinfo { struct ip6_rthdr *ip6po_rhi_rthdr; /* Routing header */ struct route_in6 ip6po_rhi_route; /* Route to the 1st hop */ }; -#define ip6po_rthdr ip6po_rhinfo.ip6po_rhi_rthdr -#define ip6po_route ip6po_rhinfo.ip6po_rhi_route +#define ip6po_rthdr ip6po_rhinfo.ip6po_rhi_rthdr +#define ip6po_route ip6po_rhinfo.ip6po_rhi_route struct ip6_pktopts { struct mbuf *ip6po_m; /* Pointer to mbuf storing the data */ @@ -136,49 +139,88 @@ struct ip6_pktopts { }; struct ip6stat { - u_long ip6s_total; /* total packets received */ - u_long ip6s_tooshort; /* packet too short */ - u_long ip6s_toosmall; /* not enough data */ - u_long ip6s_fragments; /* fragments received */ - u_long ip6s_fragdropped; /* frags dropped(dups, out of space) */ - u_long ip6s_fragtimeout; /* fragments timed out */ - u_long ip6s_fragoverflow; /* fragments that exceeded limit */ - u_long ip6s_forward; /* packets forwarded */ - u_long ip6s_cantforward; /* packets rcvd for unreachable dest */ - u_long ip6s_redirectsent; /* packets forwarded on same net */ - u_long ip6s_delivered; /* datagrams delivered to upper level*/ - u_long ip6s_localout; /* total ip packets generated here */ - u_long ip6s_odropped; /* lost packets due to nobufs, etc. */ - u_long ip6s_reassembled; /* total packets reassembled ok */ - u_long ip6s_fragmented; /* datagrams sucessfully fragmented */ - u_long ip6s_ofragments; /* output fragments created */ - u_long ip6s_cantfrag; /* don't fragment flag was set, etc. */ - u_long ip6s_badoptions; /* error in option processing */ - u_long ip6s_noroute; /* packets discarded due to no route */ - u_long ip6s_badvers; /* ip6 version != 6 */ - u_long ip6s_rawout; /* total raw ip packets generated */ - u_long ip6s_badscope; /* scope error */ - u_long ip6s_notmember; /* don't join this multicast group */ - u_long ip6s_nxthist[256]; /* next header history */ - u_long ip6s_m1; /* one mbuf */ - u_long ip6s_m2m[32]; /* two or more mbuf */ - u_long ip6s_mext1; /* one ext mbuf */ - u_long ip6s_mext2m; /* two or more ext mbuf */ - u_long ip6s_exthdrtoolong; /* ext hdr are not continuous */ - u_long ip6s_nogif; /* no match gif found */ - u_long ip6s_toomanyhdr; /* discarded due to too many headers */ + u_quad_t ip6s_total; /* total packets received */ + u_quad_t ip6s_tooshort; /* packet too short */ + u_quad_t ip6s_toosmall; /* not enough data */ + u_quad_t ip6s_fragments; /* fragments received */ + u_quad_t ip6s_fragdropped; /* frags dropped(dups, out of space) */ + u_quad_t ip6s_fragtimeout; /* fragments timed out */ + u_quad_t ip6s_fragoverflow; /* fragments that exceeded limit */ + u_quad_t ip6s_forward; /* packets forwarded */ + u_quad_t ip6s_cantforward; /* packets rcvd for unreachable dest */ + u_quad_t ip6s_redirectsent; /* packets forwarded on same net */ + u_quad_t ip6s_delivered; /* datagrams delivered to upper level*/ + u_quad_t ip6s_localout; /* total ip packets generated here */ + u_quad_t ip6s_odropped; /* lost packets due to nobufs, etc. */ + u_quad_t ip6s_reassembled; /* total packets reassembled ok */ + u_quad_t ip6s_fragmented; /* datagrams sucessfully fragmented */ + u_quad_t ip6s_ofragments; /* output fragments created */ + u_quad_t ip6s_cantfrag; /* don't fragment flag was set, etc. */ + u_quad_t ip6s_badoptions; /* error in option processing */ + u_quad_t ip6s_noroute; /* packets discarded due to no route */ + u_quad_t ip6s_badvers; /* ip6 version != 6 */ + u_quad_t ip6s_rawout; /* total raw ip packets generated */ + u_quad_t ip6s_badscope; /* scope error */ + u_quad_t ip6s_notmember; /* don't join this multicast group */ + u_quad_t ip6s_nxthist[256]; /* next header history */ + u_quad_t ip6s_m1; /* one mbuf */ + u_quad_t ip6s_m2m[32]; /* two or more mbuf */ + u_quad_t ip6s_mext1; /* one ext mbuf */ + u_quad_t ip6s_mext2m; /* two or more ext mbuf */ + u_quad_t ip6s_exthdrtoolong; /* ext hdr are not continuous */ + u_quad_t ip6s_nogif; /* no match gif found */ + u_quad_t ip6s_toomanyhdr; /* discarded due to too many headers */ + /* XXX the following two items are not really AF_INET6 thing */ + u_quad_t ip6s_exthdrget; /* # of calls to IP6_EXTHDR_GET */ + u_quad_t ip6s_exthdrget0; /* # of calls to IP6_EXTHDR_GET0 */ + u_quad_t ip6s_pulldown; /* # of calls to m_pulldown */ + u_quad_t ip6s_pulldown_copy; /* # of mbuf copies in m_pulldown */ + u_quad_t ip6s_pulldown_alloc; /* # of mbuf allocs in m_pulldown */ + u_quad_t ip6s_pullup; /* # of calls to m_pullup */ + u_quad_t ip6s_pullup_copy; /* # of possible m_pullup copies */ + u_quad_t ip6s_pullup_alloc; /* # of possible m_pullup mallocs */ + u_quad_t ip6s_pullup_fail; /* # of possible m_pullup failures */ + u_quad_t ip6s_pullup2; /* # of calls to m_pullup2 */ + u_quad_t ip6s_pullup2_copy; /* # of possible m_pullup2 copies */ + u_quad_t ip6s_pullup2_alloc; /* # of possible m_pullup2 mallocs */ + u_quad_t ip6s_pullup2_fail; /* # of possible m_pullup2 failures */ + + /* + * statistics for improvement of the source address selection + * algorithm: + * XXX: hardcoded 16 = # of ip6 multicast scope types + 1 + */ + /* number of times that address selection fails */ + u_quad_t ip6s_sources_none; + /* number of times that an address on the outgoing I/F is chosen */ + u_quad_t ip6s_sources_sameif[16]; + /* number of times that an address on a non-outgoing I/F is chosen */ + u_quad_t ip6s_sources_otherif[16]; + /* + * number of times that an address that has the same scope + * from the destination is chosen. + */ + u_quad_t ip6s_sources_samescope[16]; + /* + * number of times that an address that has a different scope + * from the destination is chosen. + */ + u_quad_t ip6s_sources_otherscope[16]; + /* number of times that an deprecated address is chosen */ + u_quad_t ip6s_sources_deprecated[16]; + + u_quad_t ip6s_forward_cachehit; + u_quad_t ip6s_forward_cachemiss; }; #ifdef _KERNEL /* flags passed to ip6_output as last parameter */ #define IPV6_DADOUTPUT 0x01 /* DAD */ #define IPV6_FORWARDING 0x02 /* most of IPv6 header exists */ -#define IPV6_SOCKINMRCVIF 0x100 /* IPSEC hack; - * socket pointer in sending - * packet's m_pkthdr.rcvif */ +#define IPV6_MINMTU 0x04 /* use minimum MTU (IPV6_USE_MIN_MTU) */ extern struct ip6stat ip6stat; /* statistics */ -extern u_int32_t ip6_id; /* fragment identifier */ +extern u_int32_t ip6_id; /* fragment identifier */ extern int ip6_defhlim; /* default hop limit */ extern int ip6_defmcasthlim; /* default multicast hop limit */ extern int ip6_forwarding; /* act as router? */ @@ -189,7 +231,7 @@ extern int ip6_rr_prune; /* router renumbering prefix * walk list every 5 sec. */ extern int ip6_mapped_addr_on; -extern struct socket *ip6_mrouter; /* multicast routing daemon */ +extern struct socket *ip6_mrouter; /* multicast routing daemon */ extern int ip6_sendredirects; /* send IP redirects when forwarding? */ extern int ip6_maxfragpackets; /* Maximum packets in reassembly queue */ extern int ip6_sourcecheck; /* Verify source interface */ @@ -201,12 +243,13 @@ extern time_t ip6_log_time; extern int ip6_hdrnestlimit; /* upper limit of # of extension headers */ extern int ip6_dad_count; /* DupAddrDetectionTransmits */ -extern u_int32_t ip6_flow_seq; -extern int ip6_auto_flowlabel; +extern u_int32_t ip6_flow_seq; +extern int ip6_auto_flowlabel; extern struct pr_usrreqs rip6_usrreqs; -struct sockopt; -struct inpcb; +struct sockopt; + +struct inpcb; int icmp6_ctloutput __P((struct socket *, struct sockopt *sopt)); @@ -216,6 +259,8 @@ void ip6_input __P((struct mbuf *)); void ip6_freemoptions __P((struct ip6_moptions *)); int ip6_unknown_opt __P((u_int8_t *, struct mbuf *, int)); char * ip6_get_prevhdr __P((struct mbuf *, int)); +int ip6_nexthdr __P((struct mbuf *, int, int, int *)); +int ip6_lasthdr __P((struct mbuf *, int, int, int *)); int ip6_mforward __P((struct ip6_hdr *, struct ifnet *, struct mbuf *)); int ip6_process_hopopts __P((struct mbuf *, u_int8_t *, int, u_int32_t *, u_int32_t *)); @@ -231,6 +276,8 @@ int ip6_output __P((struct mbuf *, struct ip6_pktopts *, struct ip6_moptions *, struct ifnet **)); int ip6_ctloutput __P((struct socket *, struct sockopt *sopt)); int ip6_setpktoptions __P((struct mbuf *, struct ip6_pktopts *, int)); +void ip6_clearpktopts __P((struct ip6_pktopts *, int, int)); +struct ip6_pktopts *ip6_copypktopts __P((struct ip6_pktopts *, int)); int ip6_optlen __P((struct inpcb *)); int route6_input __P((struct mbuf **, int *, int)); @@ -242,6 +289,7 @@ void frag6_drain __P((void)); void rip6_init __P((void)); int rip6_input __P((struct mbuf **mp, int *offp, int proto)); +void rip6_ctlinput __P((int, struct sockaddr *, void *)); int rip6_ctloutput __P((struct socket *so, struct sockopt *sopt)); int rip6_output __P((struct mbuf *, ...)); int rip6_usrreq __P((struct socket *, |
