/********************************************************************** * Copyright (c) Digital Equipment Corporation 1984, 1985, 1986. * * All Rights Reserved. * * Reference "/usr/src/COPYRIGHT" for applicable restrictions. * **********************************************************************/ /* * Copyright (c) 1983 Regents of the University of California. * All rights reserved. The Berkeley software License Agreement * specifies the terms and conditions for redistribution. */ #ifndef lint /* * Based on static char sccsid[] = "@(#)if.c 5.2 (Berkeley) 6/15/85"; */ static char *Sccsid = "@(#)if.c 3.0 (ULTRIX-11) 4/22/86"; #endif not lint #include <sys/types.h> #include <sys/socket.h> #include <net/if.h> #include <netinet/in.h> #include <netinet/in_var.h> #ifdef NS #include <netns/ns.h> #endif #include <stdio.h> extern int kmem; extern int tflag; extern int nflag; extern char *interface; extern int unit; extern char *routename(), *netname(); /* * Print a description of the network interfaces. */ intpr(interval, ifnetaddr) int interval; #ifndef pdp11 off_t ifnetaddr; #else pdp11 caddr_t ifnetaddr; #endif pdp11 { struct ifnet ifnet; union { struct ifaddr ifa; struct in_ifaddr in; } ifaddr; #ifndef pdp11 off_t ifaddraddr; #else pdp11 caddr_t ifaddraddr; long htonl(); #endif pdp11 char name[16]; if (ifnetaddr == 0) { printf("ifnet: symbol not defined\n"); return; } if (interval) { sidewaysintpr(interval, ifnetaddr); return; } klseek(kmem, ifnetaddr, 0); read(kmem, &ifnetaddr, sizeof ifnetaddr); printf("%-5.5s %-5.5s %-10.10s %-12.12s %-7.7s %-5.5s %-7.7s %-5.5s", "Name", "Mtu", "Network", "Address", "Ipkts", "Ierrs", "Opkts", "Oerrs"); printf(" %-6.6s", "Collis"); if (tflag) printf(" %-6.6s", "Timer"); putchar('\n'); ifaddraddr = 0; while (ifnetaddr || ifaddraddr) { struct sockaddr_in *sin; register char *cp; int n; char *index(); #ifndef pdp11 struct in_addr in, inet_makeaddr(); #else pdp11 struct in_addr in, inet_mkaddr(); #endif pdp11 if (ifaddraddr == 0) { klseek(kmem, ifnetaddr, 0); read(kmem, &ifnet, sizeof ifnet); #ifndef pdp11 klseek(kmem, (off_t)ifnet.if_name, 0); #else pdp11 klseek(kmem, (caddr_t)ifnet.if_name, 0); #endif pdp11 read(kmem, name, 16); name[15] = '\0'; #ifndef pdp11 ifnetaddr = (off_t) ifnet.if_next; #else pdp11 ifnetaddr = (caddr_t) ifnet.if_next; #endif pdp11 if (interface != 0 && (strcmp(name, interface) != 0 || unit != ifnet.if_unit)) continue; cp = index(name, '\0'); *cp++ = ifnet.if_unit + '0'; if ((ifnet.if_flags&IFF_UP) == 0) *cp++ = '*'; *cp = '\0'; #ifndef pdp11 ifaddraddr = (off_t)ifnet.if_addrlist; #else pdp11 ifaddraddr = (caddr_t)ifnet.if_addrlist; #endif pdp11 } printf("%-5.5s %-5d ", name, ifnet.if_mtu); if (ifaddraddr == 0) { printf("%-10.10s ", "none"); printf("%-12.12s ", "none"); } else { klseek(kmem, ifaddraddr, 0); read(kmem, &ifaddr, sizeof ifaddr); #ifndef pdp11 ifaddraddr = (off_t)ifaddr.ifa.ifa_next; #else pdp11 ifaddraddr = (caddr_t)ifaddr.ifa.ifa_next; #endif pdp11 switch (ifaddr.ifa.ifa_addr.sa_family) { case AF_UNSPEC: printf("%-10.10s ", "none"); printf("%-12.12s ", "none"); break; case AF_INET: sin = (struct sockaddr_in *)&ifaddr.in.ia_addr; #ifdef notdef /* can't use inet_makeaddr because kernel * keeps nets unshifted. */ in = inet_makeaddr(ifaddr.in.ia_subnet, INADDR_ANY); printf("%-10.10s ", netname(in)); #else printf("%-10.10s ", netname(htonl(ifaddr.in.ia_subnet), ifaddr.in.ia_subnetmask)); #endif printf("%-12.12s ", routename(sin->sin_addr)); break; #ifdef NS case AF_NS: { struct sockaddr_ns *sns = (struct sockaddr_ns *)&ifaddr.in.ia_addr; printf("ns:%-8d ", ntohl(ns_netof(sns->sns_addr))); printf("%-12s ",ns_phost(sns)); } break; #endif NS default: printf("af%2d: ", ifaddr.ifa.ifa_addr.sa_family); for (cp = (char *)&ifaddr.ifa.ifa_addr + sizeof(struct sockaddr) - 1; cp >= ifaddr.ifa.ifa_addr.sa_data; --cp) if (*cp != 0) break; n = cp - (char *)ifaddr.ifa.ifa_addr.sa_data + 1; cp = (char *)ifaddr.ifa.ifa_addr.sa_data; if (n <= 6) while (--n) printf("%02d.", *cp++ & 0xff); else while (--n) printf("%02d", *cp++ & 0xff); printf("%02d ", *cp & 0xff); break; } } #ifndef pdp11 printf("%-7d %-5d %-7d %-5d %-6d", #else pdp11 printf("%-7u %-5u %-7u %-5u %-6u", #endif pdp11 ifnet.if_ipackets, ifnet.if_ierrors, ifnet.if_opackets, ifnet.if_oerrors, ifnet.if_collisions); if (tflag) printf(" %-6d", ifnet.if_timer); putchar('\n'); } } #define MAXIF 10 struct iftot { char ift_name[16]; /* interface name */ int ift_ip; /* input packets */ int ift_ie; /* input errors */ int ift_op; /* output packets */ int ift_oe; /* output errors */ int ift_co; /* collisions */ } iftot[MAXIF]; /* * Print a running summary of interface statistics. * Repeat display every interval seconds, showing * statistics collected over that interval. First * line printed at top of screen is always cumulative. */ sidewaysintpr(interval, off) int interval; #ifndef pdp11 off_t off; #else pdp11 caddr_t off; #endif pdp11 { struct ifnet ifnet; #ifndef pdp11 off_t firstifnet; #else pdp11 caddr_t firstifnet; #endif pdp11 register struct iftot *ip, *total; register int line; struct iftot *lastif, *sum, *interesting; int maxtraffic; klseek(kmem, off, 0); #ifndef pdp11 read(kmem, &firstifnet, sizeof (off_t)); #else pdp11 read(kmem, &firstifnet, sizeof (firstifnet)); #endif pdp11 lastif = iftot; sum = iftot + MAXIF - 1; total = sum - 1; interesting = iftot; for (off = firstifnet, ip = iftot; off;) { char *cp; klseek(kmem, off, 0); read(kmem, &ifnet, sizeof ifnet); klseek(kmem, (int)ifnet.if_name, 0); ip->ift_name[0] = '('; read(kmem, ip->ift_name + 1, 15); if (interface && strcmp(ip->ift_name + 1, interface) == 0 && unit == ifnet.if_unit) interesting = ip; ip->ift_name[15] = '\0'; cp = index(ip->ift_name, '\0'); sprintf(cp, "%d)", ifnet.if_unit); ip++; if (ip >= iftot + MAXIF - 2) break; #ifndef pdp11 off = (off_t) ifnet.if_next; #else pdp11 off = (caddr_t) ifnet.if_next; #endif pdp11 } lastif = ip; banner: printf(" input %-6.6s output ", interesting->ift_name); if (lastif - iftot > 0) printf(" input (Total) output "); for (ip = iftot; ip < iftot + MAXIF; ip++) { ip->ift_ip = 0; ip->ift_ie = 0; ip->ift_op = 0; ip->ift_oe = 0; ip->ift_co = 0; } putchar('\n'); printf("%-7.7s %-5.5s %-7.7s %-5.5s %-5.5s ", "packets", "errs", "packets", "errs", "colls"); if (lastif - iftot > 0) printf("%-7.7s %-5.5s %-7.7s %-5.5s %-5.5s ", "packets", "errs", "packets", "errs", "colls"); putchar('\n'); fflush(stdout); line = 0; loop: sum->ift_ip = 0; sum->ift_ie = 0; sum->ift_op = 0; sum->ift_oe = 0; sum->ift_co = 0; for (off = firstifnet, ip = iftot; off && ip < lastif; ip++) { klseek(kmem, off, 0); read(kmem, &ifnet, sizeof ifnet); if (ip == interesting) #ifndef pdp11 printf("%-7d %-5d %-7d %-5d %-5d ", #else pdp11 printf("%-7u %-5u %-7u %-5u %-5u ", #endif pdp11 ifnet.if_ipackets - ip->ift_ip, ifnet.if_ierrors - ip->ift_ie, ifnet.if_opackets - ip->ift_op, ifnet.if_oerrors - ip->ift_oe, ifnet.if_collisions - ip->ift_co); ip->ift_ip = ifnet.if_ipackets; ip->ift_ie = ifnet.if_ierrors; ip->ift_op = ifnet.if_opackets; ip->ift_oe = ifnet.if_oerrors; ip->ift_co = ifnet.if_collisions; sum->ift_ip += ip->ift_ip; sum->ift_ie += ip->ift_ie; sum->ift_op += ip->ift_op; sum->ift_oe += ip->ift_oe; sum->ift_co += ip->ift_co; #ifndef pdp11 off = (off_t) ifnet.if_next; #else pdp11 off = (caddr_t) ifnet.if_next; #endif pdp11 } if (lastif - iftot > 0) #ifndef pdp11 printf("%-7d %-5d %-7d %-5d %-5d\n", #else pdp11 printf("%-7u %-5u %-7u %-5u %-5u\n", #endif pdp11 sum->ift_ip - total->ift_ip, sum->ift_ie - total->ift_ie, sum->ift_op - total->ift_op, sum->ift_oe - total->ift_oe, sum->ift_co - total->ift_co); *total = *sum; fflush(stdout); line++; if (interval) sleep(interval); if (line == 21) goto banner; goto loop; /*NOTREACHED*/ }