ref: 34f5a8333090c5090e1d0b6ddbaf900d64340eea
dir: /sys/src/cmd/ip/ipconfig/ipconfig.h/
typedef struct Conf Conf; typedef struct Ctl Ctl; struct Conf { /* locally generated */ char *type; char *dev; char mpoint[32]; int cfd; /* ifc control channel */ int dfd; /* ifc data channel (for ppp) */ char *cputype; uchar hwa[32]; /* hardware address */ int hwatype; int hwalen; uchar cid[32]; int cidlen; char *baud; /* learned info */ uchar gaddr[IPaddrlen]; uchar laddr[IPaddrlen]; uchar mask[IPaddrlen]; uchar raddr[IPaddrlen]; uchar dns[2*IPaddrlen]; uchar fs[2*IPaddrlen]; uchar auth[2*IPaddrlen]; uchar ntp[IPaddrlen]; int mtu; /* dhcp specific */ int state; int fd; ulong xid; ulong starttime; char sname[64]; char hostname[32]; char domainname[64]; uchar server[IPaddrlen]; /* server IP address */ ulong offered; /* offered lease time */ ulong lease; /* lease time */ ulong resend; /* # of resends for current state */ ulong timeout; /* time to timeout - seconds */ /* * IPv6 */ /* solicitation specific - XXX add support for IPv6 leases */ // ulong solicit_retries; /* router-advertisement related */ uchar sendra; uchar recvra; uchar mflag; uchar oflag; int maxraint; /* rfc2461, p.39: 4sec ≤ maxraint ≤ 1800sec, def 600 */ int minraint; /* 3sec ≤ minraint ≤ 0.75*maxraint */ int linkmtu; int reachtime; /* 3,600,000 msec, default 0 */ int rxmitra; /* default 0 */ int ttl; /* default 0 (unspecified) */ /* default gateway params */ uchar v6gaddr[IPaddrlen]; int routerlt; /* router life time */ /* prefix related */ uchar v6pref[IPaddrlen]; int prefixlen; uchar onlink; /* flag: address is `on-link' */ uchar autoflag; /* flag: autonomous */ ulong validlt; /* valid lifetime (seconds) */ ulong preflt; /* preferred lifetime (seconds) */ }; struct Ctl { Ctl *next; char *ctl; }; extern Ctl *firstctl, **ctll; extern Conf conf; extern int noconfig; extern int ipv6auto; extern int debug; extern int dodhcp; extern int dolog; extern int nip; extern int plan9; extern int dupl_disc; extern Conf conf; extern int myifc; extern char *vs; void adddefroute(char*, uchar*); void binddevice(void); void bootprequest(void); void controldevice(void); void dhcpquery(int, int); void dhcprecv(void); void dhcpsend(int); void dhcptimer(void); void dhcpwatch(int); void doadd(int); void doremove(void); void dounbind(void); int ipconfig4(void); int ipconfig6(int); long jitter(void); void lookforip(char*); void mkclientid(void); int nipifcs(char*); int openlisten(void); uchar *optaddaddr(uchar*, int, uchar*); uchar *optaddbyte(uchar*, int, int); uchar *optaddstr(uchar*, int, char*); uchar *optadd(uchar*, int, void*, int); uchar *optaddulong(uchar*, int, ulong); uchar *optaddvec(uchar*, int, uchar*, int); int optgetaddrs(uchar*, int, uchar*, int); int optgetaddr(uchar*, int, uchar*); int optgetbyte(uchar*, int); int optgetstr(uchar*, int, char*, int); uchar *optget(uchar*, int, int*); ulong optgetulong(uchar*, int); int optgetvec(uchar*, int, uchar*, int); int parseoptions(uchar *p, int n); int parseverb(char*); void procsetname(char *fmt, ...); void putndb(void); void refresh(void); ulong randint(ulong low, ulong hi); void usage(void); int validip(uchar*); void warning(char *fmt, ...); /* * IPv6 */ void doipv6(int); int ipconfig6(int); void recvra6(void); void sendra6(void); void v6paraminit(Conf *); typedef struct Headers Headers; typedef struct Ip4hdr Ip4hdr; typedef struct Lladdropt Lladdropt; typedef struct Mtuopt Mtuopt; typedef struct Prefixopt Prefixopt; typedef struct Routeradv Routeradv; typedef struct Routersol Routersol; enum { IsRouter = 1, IsHostRecv = 2, IsHostNoRecv = 3, MAClen = 6, IPv4 = 4, IPv6 = 6, Defmtu = 1400, IP_HOPBYHOP = 0, ICMPv4 = 1, IP_IGMPPROTO = 2, IP_TCPPROTO = 6, IP_UDPPROTO = 17, IP_ILPROTO = 40, IP_v6ROUTE = 43, IP_v6FRAG = 44, IP_IPsecESP = 50, IP_IPsecAH = 51, IP_v6NOMORE = 59, ICMP6_RS = 133, ICMP6_RA = 134, IP_IN_IP = 41, }; enum { MFMASK = 1 << 7, OCMASK = 1 << 6, OLMASK = 1 << 7, AFMASK = 1 << 6, }; enum { MAXTTL = 255, D64HLEN = IPV6HDR_LEN - IPV4HDR_LEN, IP_MAX = 32*1024, }; struct Headers { uchar dst[IPaddrlen]; uchar src[IPaddrlen]; }; struct Routersol { uchar vcf[4]; /* version:4, traffic class:8, flow label:20 */ uchar ploadlen[2]; /* payload length: packet length - 40 */ uchar proto; /* next header type */ uchar ttl; /* hop limit */ uchar src[IPaddrlen]; uchar dst[IPaddrlen]; uchar type; uchar code; uchar cksum[2]; uchar res[4]; }; struct Routeradv { uchar vcf[4]; /* version:4, traffic class:8, flow label:20 */ uchar ploadlen[2]; /* payload length: packet length - 40 */ uchar proto; /* next header type */ uchar ttl; /* hop limit */ uchar src[IPaddrlen]; uchar dst[IPaddrlen]; uchar type; uchar code; uchar cksum[2]; uchar cttl; uchar mor; uchar routerlt[2]; uchar rchbltime[4]; uchar rxmtimer[4]; }; struct Lladdropt { uchar type; uchar len; uchar lladdr[MAClen]; }; struct Prefixopt { uchar type; uchar len; uchar plen; uchar lar; uchar validlt[4]; uchar preflt[4]; uchar reserv[4]; uchar pref[IPaddrlen]; }; struct Mtuopt { uchar type; uchar len; uchar reserv[2]; uchar mtu[4]; }; void ea2lla(uchar *lla, uchar *ea); void ipv62smcast(uchar *smcast, uchar *a);