]> git.saurik.com Git - apple/network_cmds.git/blobdiff - netstat.tproj/inet6.c
network_cmds-481.20.1.tar.gz
[apple/network_cmds.git] / netstat.tproj / inet6.c
index 0d8396e95f7002b0d3f91b42e723b179d366d1d0..a741196571c1c58d8cc0c8d0ffd8dc657268c6cd 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2010 Apple Inc. All rights reserved.
+ * Copyright (c) 2008-2015 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
  * $FreeBSD: src/usr.bin/netstat/inet6.c,v 1.3.2.9 2001/08/10 09:07:09 ru Exp $
  */
 
-#ifndef lint
-/*
-static char sccsid[] = "@(#)inet6.c    8.4 (Berkeley) 4/20/94";
-*/
-#endif /* not lint */
-
 #ifdef INET6
 #include <sys/param.h>
 #include <sys/socket.h>
@@ -78,6 +72,7 @@ static char sccsid[] = "@(#)inet6.c   8.4 (Berkeley) 4/20/94";
 #include <net/route.h>
 #include <net/if.h>
 #include <net/if_var.h>
+#include <net/net_perf.h>
 #include <netinet/in.h>
 #include <netinet/ip6.h>
 #include <netinet/icmp6.h>
@@ -85,7 +80,6 @@ static char sccsid[] = "@(#)inet6.c   8.4 (Berkeley) 4/20/94";
 #include <netinet6/in6_pcb.h>
 #include <netinet6/in6_var.h>
 #include <netinet6/ip6_var.h>
-#include <netinet6/pim6_var.h>
 #include <netinet6/raw_ip6.h>
 
 #include <arpa/inet.h>
@@ -362,6 +356,27 @@ static     char *ip6nh[] = {
        "#255",
 };
 
+
+static const char *srcrulenames[IP6S_SRCRULE_COUNT] = {
+       "default",                      // IP6S_SRCRULE_0
+       "prefer same address",          // IP6S_SRCRULE_1
+       "prefer appropriate scope",     // IP6S_SRCRULE_2
+       "avoid deprecated addresses",   // IP6S_SRCRULE_3
+       "prefer home addresses",        // IP6S_SRCRULE_4
+       "prefer outgoing interface",    // IP6S_SRCRULE_5
+       "prefer addresses in a prefix advertised by the next-hop",
+                                       // IP6S_SRCRULE_5_5
+       "prefer matching label",        // IP6S_SRCRULE_6
+       "prefer temporary addresses",   // IP6S_SRCRULE_7
+       "prefer addresses on alive interfaces", // IP6S_SRCRULE_7x
+       "use longest matching prefix",  // IP6S_SRCRULE_8
+       NULL,
+       NULL,
+       NULL,
+       NULL,
+       NULL
+};
+
 /*
  * Dump IP6 statistics structure.
  */
@@ -373,6 +388,20 @@ ip6_stats(uint32_t off __unused, char *name, int af __unused)
        int first, i;
        int mib[4];
        size_t len;
+       static net_perf_t pout_net_perf, pin_net_perf;
+       net_perf_t out_net_perf, in_net_perf;
+       size_t out_net_perf_len = sizeof (out_net_perf);
+       size_t in_net_perf_len = sizeof (in_net_perf);
+
+       if (sysctlbyname("net.inet6.ip6.output_perf_data", &out_net_perf, &out_net_perf_len, 0, 0) < 0) {
+               perror("sysctl: net.inet6.ip6.output_perf_data");
+               return;
+       }
+
+       if (sysctlbyname("net.inet6.ip6.input_perf_data", &in_net_perf, &in_net_perf_len, 0, 0) < 0) {
+               perror("sysctl: net.inet6.ip6.input_perf_data");
+               return;
+       }
 
        mib[0] = CTL_NET;
        mib[1] = PF_INET6;
@@ -383,6 +412,8 @@ ip6_stats(uint32_t off __unused, char *name, int af __unused)
        memset(&ip6stat, 0, len);
        if (sysctl(mib, 4, &ip6stat, &len, (void *)0, 0) < 0)
                return;
+    if (interval && vflag > 0)
+        print_time();
        printf("%s:\n", name);
 
 #define        IP6DIFF(f) (ip6stat.f - pip6stat.f)
@@ -392,28 +423,92 @@ ip6_stats(uint32_t off __unused, char *name, int af __unused)
     printf(m, (unsigned long long)IP6DIFF(f))
 
        p(ip6s_total, "\t%llu total packet%s received\n");
-       p1a(ip6s_toosmall, "\t%llu with size smaller than minimum\n");
-       p1a(ip6s_tooshort, "\t%llu with data size < data length\n");
-       p1a(ip6s_badoptions, "\t%llu with bad options\n");
-       p1a(ip6s_badvers, "\t%llu with incorrect version number\n");
-       p(ip6s_fragments, "\t%llu fragment%s received\n");
-       p(ip6s_fragdropped, "\t%llu fragment%s dropped (dup or out of space)\n");
-       p(ip6s_fragtimeout, "\t%llu fragment%s dropped after timeout\n");
-       p(ip6s_fragoverflow, "\t%llu fragment%s that exceeded limit\n");
-       p(ip6s_reassembled, "\t%llu packet%s reassembled ok\n");
-       p(ip6s_delivered, "\t%llu packet%s for this host\n");
-       p(ip6s_forward, "\t%llu packet%s forwarded\n");
-       p(ip6s_cantforward, "\t%llu packet%s not forwardable\n");
-       p(ip6s_redirectsent, "\t%llu redirect%s sent\n");
+       p1a(ip6s_toosmall, "\t\t%llu with size smaller than minimum\n");
+       p1a(ip6s_tooshort, "\t\t%llu with data size < data length\n");
+       p1a(ip6s_adj, "\t\t%llu with data size > data length\n");
+       p(ip6s_adj_hwcsum_clr,
+           "\t\t\t%llu packet%s forced to software checksum\n");
+       p1a(ip6s_badoptions, "\t\t%llu with bad options\n");
+       p1a(ip6s_badvers, "\t\t%llu with incorrect version number\n");
+       p(ip6s_fragments, "\t\t%llu fragment%s received\n");
+       p1a(ip6s_fragdropped,
+           "\t\t\t%llu dropped (dup or out of space)\n");
+       p1a(ip6s_fragtimeout, "\t\t\t%llu dropped after timeout\n");
+       p1a(ip6s_fragoverflow, "\t\t\t%llu exceeded limit\n");
+       p1a(ip6s_reassembled, "\t\t\t%llu reassembled ok\n");
+       p(ip6s_delivered, "\t\t%llu packet%s for this host\n");
+       p(ip6s_forward, "\t\t%llu packet%s forwarded\n");
+       p(ip6s_cantforward, "\t\t%llu packet%s not forwardable\n");
+       p(ip6s_redirectsent, "\t\t%llu redirect%s sent\n");
+       p(ip6s_notmember, "\t\t%llu multicast packet%s which we don't join\n");
+       p(ip6s_exthdrtoolong,
+           "\t\t%llu packet%s whose headers are not continuous\n");
+       p(ip6s_nogif, "\t\t%llu tunneling packet%s that can't find gif\n");
+       p(ip6s_toomanyhdr,
+           "\t\t%llu packet%s discarded due to too may headers\n");
+       p1a(ip6s_forward_cachehit, "\t\t%llu forward cache hit\n");
+       p1a(ip6s_forward_cachemiss, "\t\t%llu forward cache miss\n");
+       p(ip6s_pktdropcntrl,
+           "\t\t%llu packet%s dropped due to no bufs for control data\n");
+
+#define INPERFDIFF(f) (in_net_perf.f - pin_net_perf.f)
+       if (INPERFDIFF(np_total_pkts) > 0 && in_net_perf.np_total_usecs > 0) {
+               printf("\tInput Performance Stats:\n");
+               printf("\t\t%llu total packets measured\n", INPERFDIFF(np_total_pkts));
+               printf("\t\t%llu total usec elapsed\n", INPERFDIFF(np_total_usecs));
+               printf("\t\t%f usec per packet\n",
+                   (double)in_net_perf.np_total_usecs/(double)in_net_perf.np_total_pkts);
+               printf("\t\tPerformance Histogram:\n");
+               printf("\t\t\t x <= %u: %llu\n", in_net_perf.np_hist_bars[0],
+                   INPERFDIFF(np_hist1));
+               printf("\t\t\t %u < x <= %u: %llu\n",
+                   in_net_perf.np_hist_bars[0], in_net_perf.np_hist_bars[1],
+                   INPERFDIFF(np_hist2));
+               printf("\t\t\t %u < x <= %u: %llu\n",
+                   in_net_perf.np_hist_bars[1], in_net_perf.np_hist_bars[2],
+                   INPERFDIFF(np_hist3));
+               printf("\t\t\t %u < x <= %u: %llu\n",
+                   in_net_perf.np_hist_bars[2], in_net_perf.np_hist_bars[3],
+                   INPERFDIFF(np_hist4));
+               printf("\t\t\t %u < x: %llu\n",
+                   in_net_perf.np_hist_bars[3], INPERFDIFF(np_hist5));
+       }
+#undef INPERFDIFF
+
        p(ip6s_localout, "\t%llu packet%s sent from this host\n");
-       p(ip6s_rawout, "\t%llu packet%s sent with fabricated ip header\n");
-       p(ip6s_odropped, "\t%llu output packet%s dropped due to no bufs, etc.\n");
-       p(ip6s_noroute, "\t%llu output packet%s discarded due to no route\n");
-       p(ip6s_fragmented, "\t%llu output datagram%s fragmented\n");
-       p(ip6s_ofragments, "\t%llu fragment%s created\n");
-       p(ip6s_cantfrag, "\t%llu datagram%s that can't be fragmented\n");
-       p(ip6s_badscope, "\t%llu packet%s that violated scope rules\n");
-       p(ip6s_notmember, "\t%llu multicast packet%s which we don't join\n");
+       p(ip6s_rawout, "\t\t%llu packet%s sent with fabricated ip header\n");
+       p(ip6s_odropped,
+           "\t\t%llu output packet%s dropped due to no bufs, etc.\n");
+       p(ip6s_noroute, "\t\t%llu output packet%s discarded due to no route\n");
+       p(ip6s_fragmented, "\t\t%llu output datagram%s fragmented\n");
+       p(ip6s_ofragments, "\t\t%llu fragment%s created\n");
+       p(ip6s_cantfrag, "\t\t%llu datagram%s that can't be fragmented\n");
+       p(ip6s_badscope, "\t\t%llu packet%s that violated scope rules\n");
+
+#define OUTPERFDIFF(f) (out_net_perf.f - pout_net_perf.f)
+       if (OUTPERFDIFF(np_total_pkts) > 0 && out_net_perf.np_total_usecs > 0) {
+               printf("\tOutput Performance Stats:\n");
+               printf("\t\t%llu total packets measured\n", OUTPERFDIFF(np_total_pkts));
+               printf("\t\t%llu total usec elapsed\n", OUTPERFDIFF(np_total_usecs));
+               printf("\t\t%f usec per packet\n",
+                   (double)out_net_perf.np_total_usecs/(double)out_net_perf.np_total_pkts);
+               printf("\t\tHistogram:\n");
+               printf("\t\t\t x <= %u: %llu\n", out_net_perf.np_hist_bars[0],
+                   OUTPERFDIFF(np_hist1));
+               printf("\t\t\t %u < x <= %u: %llu\n",
+                   out_net_perf.np_hist_bars[0], out_net_perf.np_hist_bars[1],
+                   OUTPERFDIFF(np_hist2));
+               printf("\t\t\t %u < x <= %u: %llu\n",
+                   out_net_perf.np_hist_bars[1], out_net_perf.np_hist_bars[2],
+                   OUTPERFDIFF(np_hist3));
+               printf("\t\t\t %u < x <= %u: %llu\n",
+                   out_net_perf.np_hist_bars[2], out_net_perf.np_hist_bars[3],
+                   OUTPERFDIFF(np_hist4));
+               printf("\t\t\t %u < x: %llu\n",
+                   out_net_perf.np_hist_bars[3], OUTPERFDIFF(np_hist5));
+       }
+#undef OUTPERFDIFF
+
        for (first = 1, i = 0; i < 256; i++)
                if (IP6DIFF(ip6s_nxthist[i]) != 0) {
                        if (first) {
@@ -441,88 +536,102 @@ ip6_stats(uint32_t off __unused, char *name, int af __unused)
            (unsigned long long)IP6DIFF(ip6s_mext1));
        printf("\t\t%llu two or more ext mbuf\n",
            (unsigned long long)IP6DIFF(ip6s_mext2m));
-       p(ip6s_exthdrtoolong,
-           "\t%llu packet%s whose headers are not continuous\n");
-       p(ip6s_nogif, "\t%llu tunneling packet%s that can't find gif\n");
-       p(ip6s_toomanyhdr,
-           "\t%llu packet%s discarded due to too may headers\n");
 
        /* for debugging source address selection */
 #define PRINT_SCOPESTAT(s,i) do {\
                switch(i) { /* XXX hardcoding in each case */\
                case 1:\
-                       p(s, "\t\t%llu node-local%s\n");\
+                       p(s, "\t\t\t%llu node-local%s\n");\
                        break;\
                case 2:\
-                       p(s,"\t\t%llu link-local%s\n");\
+                       p(s,"\t\t\t%llu link-local%s\n");\
                        break;\
                case 5:\
-                       p(s,"\t\t%llu site-local%s\n");\
+                       p(s,"\t\t\t%llu site-local%s\n");\
                        break;\
                case 14:\
-                       p(s,"\t\t%llu global%s\n");\
+                       p(s,"\t\t\t%llu global%s\n");\
                        break;\
                default:\
-                       printf("\t\t%llu addresses scope=%x\n",\
+                       printf("\t\t\t%llu addresses scope=%x\n",\
                            (unsigned long long)IP6DIFF(s), i);\
                }\
        } while (0);
 
        p(ip6s_sources_none,
-         "\t%llu failure%s of source address selection\n");
-       for (first = 1, i = 0; i < 16; i++) {
-               if (IP6DIFF(ip6s_sources_sameif[i])) {
+         "\t\t%llu failure%s of source address selection\n");
+       for (first = 1, i = 0; i < SCOPE6_ID_MAX; i++) {
+               if (IP6DIFF(ip6s_sources_sameif[i]) || 1) {
                        if (first) {
-                               printf("\tsource addresses on an outgoing I/F\n");
+                               printf("\t\tsource addresses on an outgoing I/F\n");
                                first = 0;
                        }
                        PRINT_SCOPESTAT(ip6s_sources_sameif[i], i);
                }
        }
-       for (first = 1, i = 0; i < 16; i++) {
-               if (IP6DIFF(ip6s_sources_otherif[i])) {
+       for (first = 1, i = 0; i < SCOPE6_ID_MAX; i++) {
+               if (IP6DIFF(ip6s_sources_otherif[i]) || 1) {
                        if (first) {
-                               printf("\tsource addresses on a non-outgoing I/F\n");
+                               printf("\t\tsource addresses on a non-outgoing I/F\n");
                                first = 0;
                        }
                        PRINT_SCOPESTAT(ip6s_sources_otherif[i], i);
                }
        }
-       for (first = 1, i = 0; i < 16; i++) {
-               if (IP6DIFF(ip6s_sources_samescope[i])) {
+       for (first = 1, i = 0; i < SCOPE6_ID_MAX; i++) {
+               if (IP6DIFF(ip6s_sources_samescope[i]) || 1) {
                        if (first) {
-                               printf("\tsource addresses of same scope\n");
+                               printf("\t\tsource addresses of same scope\n");
                                first = 0;
                        }
                        PRINT_SCOPESTAT(ip6s_sources_samescope[i], i);
                }
        }
-       for (first = 1, i = 0; i < 16; i++) {
-               if (IP6DIFF(ip6s_sources_otherscope[i])) {
+       for (first = 1, i = 0; i < SCOPE6_ID_MAX; i++) {
+               if (IP6DIFF(ip6s_sources_otherscope[i]) || 1) {
                        if (first) {
-                               printf("\tsource addresses of a different scope\n");
+                               printf("\t\tsource addresses of a different scope\n");
                                first = 0;
                        }
                        PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i);
                }
        }
-       for (first = 1, i = 0; i < 16; i++) {
-               if (IP6DIFF(ip6s_sources_deprecated[i])) {
+       for (first = 1, i = 0; i < SCOPE6_ID_MAX; i++) {
+               if (IP6DIFF(ip6s_sources_deprecated[i]) || 1) {
                        if (first) {
-                               printf("\tdeprecated source addresses\n");
+                               printf("\t\tdeprecated source addresses\n");
                                first = 0;
                        }
                        PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i);
                }
        }
+#define PRINT_SRCRULESTAT(s,i) do {\
+       if (srcrulenames[i] != NULL) \
+               printf("\t\t\t%llu rule%s %s\n", \
+                       (unsigned long long)IP6DIFF(s), \
+                       plural(IP6DIFF(s)), \
+                       srcrulenames[i]); \
+} while (0);
 
-       p1a(ip6s_forward_cachehit, "\t%llu forward cache hit\n");
-       p1a(ip6s_forward_cachemiss, "\t%llu forward cache miss\n");
-       p(ip6s_pktdropcntrl, "\t%llu packet%s dropped due to no bufs for control data\n");
+       for (first = 1, i = 0; i < IP6S_SRCRULE_COUNT; i++) {
+               if (IP6DIFF(ip6s_sources_rule[i]) || 1) {
+                       if (first) {
+                               printf("\t\tsource addresse selection\n");
+                               first = 0;
+                       }
+                       PRINT_SRCRULESTAT(ip6s_sources_rule[i], i);
+               }
+       }
        
-       if (interval > 0)
-               bcopy(&ip6stat, &pip6stat, len);
+       p(ip6s_dad_collide, "\t\t%llu duplicate address detection collision%s\n");
+
+       p(ip6s_sources_skip_expensive_secondary_if, "\t\t%llu times%s ignored source on secondary expensive I/F\n");
 
+       if (interval > 0) {
+               bcopy(&ip6stat, &pip6stat, len);
+               bcopy(&in_net_perf, &pin_net_perf, in_net_perf_len);
+               bcopy(&out_net_perf, &pout_net_perf, out_net_perf_len);
+       }
 #undef IP6DIFF
 #undef p
 #undef p1a
@@ -546,6 +655,8 @@ ip6_ifstats(char *ifname)
                return;
        }
 
+    if (interval && vflag > 0)
+        print_time();
        strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
        printf("ip6 on %s:\n", ifr.ifr_name);
 
@@ -864,6 +975,8 @@ icmp6_stats(uint32_t off __unused, char *name, int af __unused)
        memset(&icmp6stat, 0, len);
        if (sysctl(mib, 4, &icmp6stat, &len, (void *)0, 0) < 0)
                return;
+    if (interval && vflag > 0)
+        print_time();
        printf("%s:\n", name);
 
 #define        ICMP6DIFF(f) (icmp6stat.f - picmp6stat.f)
@@ -951,6 +1064,8 @@ icmp6_ifstats(char *ifname)
                return;
        }
 
+    if (interval && vflag > 0)
+        print_time();
        strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
        printf("icmp6 on %s:\n", ifr.ifr_name);
 
@@ -1000,40 +1115,6 @@ icmp6_ifstats(char *ifname)
 #undef p
 }
 
-/*
- * Dump PIM statistics structure.
- */
-#ifdef notyet 
-void
-pim6_stats(void)
-{
-       static struct pim6stat ppim6stat;
-       struct pim6stat pim6stat;
-       size_t len = sizeof(struct pim6stat);
-
-       if (sysctlbyname("net.inet6.ip6.pim6stat", &pim6stat, &len, 0, 0) == -1)
-               return;
-       printf("%s:\n", name);
-
-#define        PIM6DIFF(f) (pim6stat.f - ppim6stat.f)
-#define        p(f, m) if (PIM6DIFF(f) || sflag <= 1) \
-    printf(m, (unsigned long long)PIM6DIFF(f), plural(PIM6DIFF(f)))
-       p(pim6s_rcv_total, "\t%llu message%s received\n");
-       p(pim6s_rcv_tooshort, "\t%llu message%s received with too few bytes\n");
-       p(pim6s_rcv_badsum, "\t%llu message%s received with bad checksum\n");
-       p(pim6s_rcv_badversion, "\t%llu message%s received with bad version\n");
-       p(pim6s_rcv_registers, "\t%llu register%s received\n");
-       p(pim6s_rcv_badregisters, "\t%llu bad register%s received\n");
-       p(pim6s_snd_registers, "\t%llu register%s sent\n");
-
-       if (interval > 0)
-               bcopy(&pim6stat, &ppim6stat, len);
-
-#undef PIM6DIFF
-#undef p
-}
-#endif
-
 /*
  * Dump raw ip6 statistics structure.
  */
@@ -1056,6 +1137,8 @@ rip6_stats(uint32_t off __unused, char *name, int af __unused)
                return;
        }
 
+    if (interval && vflag > 0)
+        print_time();
        printf("%s:\n", name);
 
 #define        RIP6DIFF(f) (rip6stat.f - prip6stat.f)
@@ -1154,7 +1237,7 @@ inet6name(struct in6_addr *in6p)
                first = 0;
                if (gethostname(domain, MAXHOSTNAMELEN) == 0 &&
                    (cp = index(domain, '.')))
-                       (void) strlcpy(domain, cp + 1, sizeof(domain));
+                       (void) memmove(domain, cp + 1, strlen(cp + 1) + 1);
                else
                        domain[0] = 0;
        }