projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 17efd7fe MK |
1 | #define RCSNETHDR "$Header: net.h,v 1.14 85/07/31 09:32:54 walsh Exp $" |
| 2 | ||
| 3 | /* | |
| 4 | * dummy protocol number(s) for raw input. Not real like UDPROTO/TCPROTO/... | |
| 5 | */ | |
| 6 | #define NETLOG_PROTO 62 | |
| 7 | ||
| 8 | ||
| 9 | #define TRUE 1 | |
| 10 | #define FALSE 0 | |
| 11 | ||
| 12 | /* | |
| 13 | * Software interrupt version | |
| 14 | * | |
| 15 | * This version of the network code runs off software interrupts rather than | |
| 16 | * as a separate process. The software interrupt level for the network is | |
| 17 | * higher than the software level for the clock (so you can enter the network | |
| 18 | * in routines called from timeouts). User process routines switch into | |
| 19 | * network code by doing splnet(). | |
| 20 | */ | |
| 21 | ||
| 22 | /* splnet is defined in ../sys/asm.sed */ | |
| 23 | #define setsoftnet() mtpr(SIRR, 12) | |
| 24 | ||
| 25 | #ifndef LOCORE | |
| 26 | ||
| 27 | typedef unsigned short n_short; /* short as received from the net */ | |
| 28 | typedef u_long n_long; /* long as received from the net */ | |
| 29 | typedef u_long sequence; /* sequence numbers in tcp */ | |
| 30 | typedef u_long net_t; /* network number */ | |
| 31 | ||
| 32 | /* | |
| 33 | * This structure describes the work that the finite state machine | |
| 34 | * procedure is supposed to do. At one time, these were chained | |
| 35 | * together and batch processing performed on them. Code would need | |
| 36 | * reworking to go back to that method since work entry has pointer | |
| 37 | * to tcpcb, which may have been closed and freed. | |
| 38 | */ | |
| 39 | struct work { | |
| 40 | short w_type; /* what to do with entry */ | |
| 41 | short w_stype; /* subtype for timer names */ | |
| 42 | struct tcpcb *w_tcb; /* -> tcb for entry */ | |
| 43 | char *w_dat; /* -> work data chain */ | |
| 44 | }; | |
| 45 | ||
| 46 | /* | |
| 47 | * No need to spl when enter network via action, since network is only | |
| 48 | * accessed via softare interrupt [splnet], tcp_usrreq(), and tcp_timeo() | |
| 49 | * which splnet(). | |
| 50 | */ | |
| 51 | #define w_alloc(type, stype, tp, m) \ | |
| 52 | { \ | |
| 53 | struct work w; \ | |
| 54 | \ | |
| 55 | w.w_type = type; w.w_stype = stype; w.w_tcb = tp; \ | |
| 56 | w.w_dat = (char *)m; \ | |
| 57 | (void) action(&w); \ | |
| 58 | } | |
| 59 | ||
| 60 | #define NETHASH(x) ((u_long) iptonet(x)) | |
| 61 | #define HOSTHASH(x) ((u_long) htonl((u_long) (x))) | |
| 62 | ||
| 63 | /* make an ip addr */ | |
| 64 | #define ipaddr(w,x,y,z) ((long)(((z)<<24)|((y)<<16)|((x)<<8)|(w))) | |
| 65 | ||
| 66 | ||
| 67 | struct dfilter { | |
| 68 | struct in_addr foreign_host; | |
| 69 | struct in_addr local_host; | |
| 70 | u_short foreign_port; | |
| 71 | u_short local_port; | |
| 72 | int matches; | |
| 73 | }; | |
| 74 | ||
| 75 | #ifdef KERNEL | |
| 76 | u_long iptime(); | |
| 77 | ||
| 78 | extern struct dfilter tcp_dfilter; | |
| 79 | ||
| 80 | extern struct in_addr icmp_addr(); | |
| 81 | extern struct in_addr redir_addr(); | |
| 82 | ||
| 83 | #endif KERNEL | |
| 84 | ||
| 85 | /* replace with dynamic estimate of remote send buffering */ | |
| 86 | #define MINTCPBUF 256 | |
| 87 | #endif LOCORE |