1991/1012/port/ipdat.h (diff list | history)

1991/0705/sys/src/9/port/ipdat.h:12,19 – 1991/1012/sys/src/9/port/ipdat.h:12,22 (short | long | prev | next)
Format edits. Add Ilhdr, IL constants, IL queue. Remove Ipconv.tcpctl. rsc Fri Mar 4 12:44:25 2005
1991/0424		typedef struct Tcpctl Tcpctl; typedef struct Tcphdr Tcphdr; typedef struct Timer Timer;
1991/1012		typedef struct Ilhdr Ilhdr; typedef struct Ilcb Ilcb;
1991/0424		struct Etherhdr {
1991/1012		struct Etherhdr {
1991/0424		#define ETHER_HDR 14 uchar d[6]; uchar s[6];
1991/0705/sys/src/9/port/ipdat.h:37,43 – 1991/1012/sys/src/9/port/ipdat.h:40,47
1991/0424		#define ET_IP 0x0800 /* A userlevel data gram */ struct Udphdr {
1991/1012		struct Udphdr {
1991/0424		#define UDP_EHSIZE 22 uchar d[6]; /* Ethernet destination */ uchar s[6]; /* Ethernet source */
1991/0705/sys/src/9/port/ipdat.h:62,70 – 1991/1012/sys/src/9/port/ipdat.h:66,119
1991/0424		uchar udpcksum[2]; /* Checksum */ };
1991/1012		struct Ilhdr { #define IL_EHSIZE 22 uchar d[6]; /* Ethernet destination */ uchar s[6]; /* Ethernet source */ uchar type[2]; /* Ethernet packet type */ uchar vihl; /* Version and header length */ uchar tos; /* Type of service */ uchar length[2]; /* packet length */ uchar id[2]; /* Identification */ uchar frag[2]; /* Fragment information */ #define IL_HDRSIZE 16 uchar ilsum[2]; /* Checksum including header */ uchar illen[2]; /* Packet length */ uchar iltype; /* Packet type */ uchar ilspec; /* Special */ uchar ilsrc[2]; /* Src port */ uchar ildst[2]; /* Dst port */ uchar ilid[4]; /* Sequence id */ uchar ilack[4]; /* Acked sequence */ }; struct Ilcb { int state; Block *unacked; Block *unackedtail; Block *outoforder; Block *outofordertail; ulong sent; ulong recvd; ulong lastack; }; enum { Ilsync, Ildata, Ildataquery, Ilack, Ilquerey, Ilstate, };
1991/0424		#define TCP_PKT (TCP_EHSIZE+TCP_IPLEN+TCP_PHDRSIZE) struct Tcphdr {
1991/1012		struct Tcphdr {
1991/0424		#define TCP_EHSIZE 14 uchar d[6]; /* Ethernet destination */ uchar s[6]; /* Ethernet source */
1991/0705/sys/src/9/port/ipdat.h:96,106 – 1991/1012/sys/src/9/port/ipdat.h:145,156
1991/0424		/* Options segment */ uchar tcpopt[2]; uchar tcpmss[2]; };
1991/1012		};
1991/0424		struct Timer {
1991/1012		struct Timer {
1991/0424		Timer *next; Timer *prev; int state;
1991/0705/sys/src/9/port/ipdat.h:108,116 – 1991/1012/sys/src/9/port/ipdat.h:158,167
1991/0424		int count; void (*func)(void*); void *arg; };
1991/1012		};
1991/0424		struct Tcpctl {
1991/1012		struct Tcpctl {
1991/0424		QLock; uchar state; /* Connection state */ uchar type; /* Listening or active connection */
1991/0705/sys/src/9/port/ipdat.h:166,172 – 1991/1012/sys/src/9/port/ipdat.h:217,224
1991/0424		int mdev; /* Mean deviation of round trip */ }; struct Tcp {
1991/1012		struct Tcp {
1991/0424		Port source; Port dest; int seq;
1991/0705/sys/src/9/port/ipdat.h:175,192 – 1991/1012/sys/src/9/port/ipdat.h:227,246
1991/0424		ushort wnd; ushort up; ushort mss; };
1991/1012		};
1991/0424		struct Reseq {
1991/1012		struct Reseq {
1991/0424		Reseq *next; Tcp seg; Block *bp; ushort length; char tos; };
1991/1012		};
1991/0424		/* An ip interface used for UDP/TCP/ARP/ICMP */ struct Ipconv {
1991/1012		struct Ipconv {
1991/0424		QLock; /* Ref count lock */ int ref; Qinfo *stproto; /* Stream protocol for this device */
1991/0705/sys/src/9/port/ipdat.h:207,213 – 1991/1012/sys/src/9/port/ipdat.h:261,270
1991/0424		int backlog; /* Maximum number of waiting connections */ int curlog; /* Number of waiting connections */ int contype; Tcpctl tcpctl; /* Tcp control block */
1991/1012		union { Tcpctl tcpctl; /* Tcp control block */ Ilcb ilctl; /* Il control block */ };
1991/0424		}; #define MAX_TIME 100000000 /* Forever */
1991/0705/sys/src/9/port/ipdat.h:255,261 – 1991/1012/sys/src/9/port/ipdat.h:312,319
1991/0424		#define read_timer(t) ((t)->count) #define run_timer(t) ((t)->state == TIMER_RUN) enum {
1991/1012		enum {
1991/0424		CLOSED = 0, LISTEN, SYN_SENT,
1991/0705/sys/src/9/port/ipdat.h:267,278 – 1991/1012/sys/src/9/port/ipdat.h:325,337
1991/0424		CLOSING, LAST_ACK, TIME_WAIT };
1991/1012		};
1991/0424		/* * Ip interface structure. We have one for each active protocol driver */ struct Ipifc {
1991/1012		struct Ipifc {
1991/0424		QLock; int ref; uchar protocol; /* Ip header protocol number */
1991/0705/sys/src/9/port/ipdat.h:285,291 – 1991/1012/sys/src/9/port/ipdat.h:344,351
1991/0424		Lock; }; struct Fragq {
1991/1012		struct Fragq {
1991/0424		QLock; Block *blist; Fragq *next;
1991/0705/sys/src/9/port/ipdat.h:292,305 – 1991/1012/sys/src/9/port/ipdat.h:352,367
1991/0424		Ipaddr src; Ipaddr dst; ushort id; };
1991/1012		};
1991/0424		struct Ipfrag {
1991/1012		struct Ipfrag {
1991/0424		ushort foff; ushort flen; };
1991/1012		};
1991/0424		struct Arpcache {
1991/1012		struct Arpcache {
1991/0424		uchar status; /* Entry status */ uchar type; /* Entry type */ Ipaddr ip; /* Host byte order */
1991/0705/sys/src/9/port/ipdat.h:311,316 – 1991/1012/sys/src/9/port/ipdat.h:373,379
1991/0424		Arpcache *frwd; Arpcache *prev; };
1991/1012
1991/0424		#define ARP_FREE 0 #define ARP_OK 1 #define ARP_ASKED 2
1991/0705/sys/src/9/port/ipdat.h:341,350 – 1991/1012/sys/src/9/port/ipdat.h:404,415
1991/0424		#define IP_MAX 8192 /* Maximum Internet packet size */ #define UDP_MAX (IP_MAX-ETHER_IPHDR) /* Maximum UDP datagram size */ #define UDP_DATMAX (UDP_MAX-UDP_HDRSIZE) /* Maximum amount of udp data */
1991/1012		#define IL_DATMAX (IP_MAX-IL_HDRSIZE) /* Maximum IL data in one ip packet */
1991/0424		/* Protocol numbers */ #define IP_UDPPROTO 17 #define IP_TCPPROTO 6
1991/1012		#define IP_ILPROTO 190 /* I have no idea */
1991/0424		/* Protocol port numbers */ #define PORTALLOC 5000 /* First automatic allocated port */
1991/0705/sys/src/9/port/ipdat.h:440,442 – 1991/1012/sys/src/9/port/ipdat.h:505,508
1991/0424		extern Qinfo tcpinfo; extern Qinfo ipinfo; extern Qinfo udpinfo;
1991/1012		extern Qinfo ilinfo;