Add ip6 and icmp6 displays to systat.

MFC after:	2 weeks

1 files changed, 303 insertions, 0 deletions

diff --git a/usr.bin/systat/ip6.c b/usr.bin/systat/ip6.c
new file mode 100644
index 0000000..a88c5b4
--- /dev/null
+++ b/usr.bin/systat/ip6.c
@@ -0,0 +1,303 @@
+/*-
+ * Copyright (c) 1980, 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+
+__FBSDID("$FreeBSD$");
+
+#ifdef lint
+static const char sccsid[] = "@(#)mbufs.c	8.1 (Berkeley) 6/6/93";
+#endif
+
+/* From:
+	"Id: mbufs.c,v 1.5 1997/02/24 20:59:03 wollman Exp"
+*/
+
+#ifdef INET6
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/sysctl.h>
+
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/ip.h>
+#include <netinet6/ip6_var.h>
+
+#include <stdlib.h>
+#include <string.h>
+#include <paths.h>
+
+#include "systat.h"
+#include "extern.h"
+#include "mode.h"
+
+static struct ip6stat curstat, initstat, oldstat;
+
+/*-
+--0         1         2         3         4         5         6         7
+--0123456789012345678901234567890123456789012345678901234567890123456789012345
+01        IPv6 Input                         IPv6 Output
+029999999 total packets received   999999999 total packets sent
+039999999 - too short for header   999999999 - generated locally
+049999999 - too short for data     999999999 - output drops
+059999999 - with invalid version   999999999 output fragments generated
+069999999 total fragments received 999999999 - fragmentation failed
+079999999 - fragments dropped      999999999 destinations unreachable
+089999999 - fragments timed out    999999999 packets output via raw IP
+099999999 - fragments overflown              Input next-header histogram
+109999999 - packets reassembled ok 999999999  - destination options
+119999999 packets forwarded        999999999  - hop-by-hop options
+129999999 - unreachable dests      999999999  - IPv4
+139999999 - redirects generated    999999999  - TCP
+149999999 option errors            999999999  - UDP
+159999999 unwanted multicasts      999999999  - IPv6
+169999999 delivered to upper layer 999999999  - routing header
+17                                 999999999  - fragmentation header
+189999999 bad scope packets        999999999  - ICMP6
+199999999 address selection failed 999999999  - none
+--0123456789012345678901234567890123456789012345678901234567890123456789012345
+--0         1         2         3         4         5         6         7
+*/
+
+WINDOW *
+openip6(void)
+{
+	return (subwin(stdscr, LINES-4-1, 0, 4, 0));
+}
+
+void
+closeip6(w)
+	WINDOW *w;
+{
+	if (w == NULL)
+		return;
+	wclear(w);
+	wrefresh(w);
+	delwin(w);
+}
+
+void
+labelip6(void)
+{
+	wmove(wnd, 0, 0); wclrtoeol(wnd);
+#define L(row, str) mvwprintw(wnd, row, 10, str)
+#define R(row, str) mvwprintw(wnd, row, 45, str);
+	L(1, "IPv6 Input");		R(1, "IPv6 Output");
+	L(2, "total packets received");	R(2, "total packets sent");
+	L(3, "- too short for header");	R(3, "- generated locally");
+	L(4, "- too short for data");	R(4, "- output drops");
+	L(5, "- with invalid version");	R(5, "output fragments generated");
+	L(6, "total fragments received"); R(6, "- fragmentation failed");
+	L(7, "- fragments dropped");	R(7, "destinations unreachable");
+	L(8, "- fragments timed out");	R(8, "packets output via raw IP");
+	L(9, "- fragments overflown");	R(9, "Input next-header histogram");
+	L(10, "- packets reassembled ok"); R(10, " - destination options");
+	L(11, "packets forwarded");	R(11, " - hop-by-hop options");
+	L(12, "- unreachable dests");	R(12, " - IPv4");
+	L(13, "- redirects generated");	R(13, " - TCP");
+	L(14, "option errors");		R(14, " - UDP");
+	L(15, "unwanted multicasts");	R(15, " - IPv6");
+	L(16, "delivered to upper layer"); R(16, " - routing header");
+					R(17, " - fragmentation header");
+	L(18, "bad scope packets");	R(18, " - ICMP6");
+	L(19, "address selection failed"); R(19, " - none");
+#undef L
+#undef R
+}
+
+static void
+domode(struct ip6stat *ret)
+{
+	const struct ip6stat *sub;
+	int divisor = 1, i;
+
+	switch(currentmode) {
+	case display_RATE:
+		sub = &oldstat;
+		divisor = naptime;
+		break;
+	case display_DELTA:
+		sub = &oldstat;
+		break;
+	case display_SINCE:
+		sub = &initstat;
+		break;
+	default:
+		*ret = curstat;
+		return;
+	}
+#define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor
+	DO(ip6s_total);
+	DO(ip6s_tooshort);
+	DO(ip6s_toosmall);
+	DO(ip6s_fragments);
+	DO(ip6s_fragdropped);
+	DO(ip6s_fragtimeout);
+	DO(ip6s_fragoverflow);
+	DO(ip6s_forward);
+	DO(ip6s_cantforward);
+	DO(ip6s_redirectsent);
+	DO(ip6s_delivered);
+	DO(ip6s_localout);
+	DO(ip6s_odropped);
+	DO(ip6s_reassembled);
+	DO(ip6s_fragmented);
+	DO(ip6s_ofragments);
+	DO(ip6s_cantfrag);
+	DO(ip6s_badoptions);
+	DO(ip6s_noroute);
+	DO(ip6s_badvers);
+	DO(ip6s_rawout);
+	DO(ip6s_notmember);
+	for (i = 0; i < 256; i++)
+		DO(ip6s_nxthist[i]);
+	DO(ip6s_badscope);
+	DO(ip6s_sources_none);
+#undef DO
+}
+	
+void
+showip6(void)
+{
+	struct ip6stat stats;
+	u_long totalout;
+
+	domode(&stats);
+	totalout = stats.ip6s_forward + stats.ip6s_localout;
+
+#define DO(stat, row, col) \
+	mvwprintw(wnd, row, col, "%9lu", stats.stat)
+
+	DO(ip6s_total, 2, 0);
+	mvwprintw(wnd, 2, 35, "%9lu", totalout);
+	DO(ip6s_localout, 3, 35);
+	DO(ip6s_tooshort, 3, 0);
+	DO(ip6s_odropped, 4, 35);
+	DO(ip6s_toosmall, 4, 0);
+	DO(ip6s_ofragments, 5, 35);
+	DO(ip6s_badvers, 5, 0);
+	DO(ip6s_cantfrag, 6, 35);
+	DO(ip6s_fragments, 6, 0);
+	DO(ip6s_noroute, 7, 35);
+	DO(ip6s_fragdropped, 7, 0);
+	DO(ip6s_rawout, 8, 35);
+	DO(ip6s_fragtimeout, 8, 0);
+	DO(ip6s_fragoverflow, 9, 0);
+	DO(ip6s_nxthist[IPPROTO_DSTOPTS], 10, 35);
+	DO(ip6s_reassembled, 10, 0);
+	DO(ip6s_nxthist[IPPROTO_HOPOPTS], 11, 35);
+	DO(ip6s_forward, 11, 0);
+	DO(ip6s_nxthist[IPPROTO_IPV4], 12, 35);
+	DO(ip6s_cantforward, 12, 0);
+	DO(ip6s_nxthist[IPPROTO_TCP], 13, 35);
+	DO(ip6s_redirectsent, 13, 0);
+	DO(ip6s_nxthist[IPPROTO_UDP], 14, 35);
+	DO(ip6s_badoptions, 14, 0);
+	DO(ip6s_nxthist[IPPROTO_IPV6], 15, 35);
+	DO(ip6s_notmember, 15, 0);
+	DO(ip6s_nxthist[IPPROTO_ROUTING], 16, 35);
+	DO(ip6s_delivered, 16, 0);
+	DO(ip6s_nxthist[IPPROTO_FRAGMENT], 17, 35);
+	DO(ip6s_nxthist[IPPROTO_ICMPV6], 18, 35);
+	DO(ip6s_badscope, 18, 0);
+	DO(ip6s_nxthist[IPPROTO_NONE], 19, 35);
+	DO(ip6s_sources_none, 19, 0);
+#undef DO
+}
+
+int
+initip6(void)
+{
+	size_t len;
+	int name[4];
+
+	name[0] = CTL_NET;
+	name[1] = PF_INET6;
+	name[2] = IPPROTO_IPV6;
+	name[3] = IPV6CTL_STATS;
+
+	len = 0;
+	if (sysctl(name, 4, 0, &len, 0, 0) < 0) {
+		error("sysctl getting ip6stat size failed");
+		return 0;
+	}
+	if (len > sizeof curstat) {
+		error("ip6stat structure has grown--recompile systat!");
+		return 0;
+	}
+	if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) {
+		error("sysctl getting ip6stat failed");
+		return 0;
+	}
+	oldstat = initstat;
+	return 1;
+}
+
+void
+resetip6(void)
+{
+	size_t len;
+	int name[4];
+
+	name[0] = CTL_NET;
+	name[1] = PF_INET6;
+	name[2] = IPPROTO_IPV6;
+	name[3] = IPV6CTL_STATS;
+
+	len = sizeof initstat;
+	if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) {
+		error("sysctl getting ipstat failed");
+	}
+
+	oldstat = initstat;
+}
+
+void
+fetchip6(void)
+{
+	int name[4];
+	size_t len;
+
+	oldstat = curstat;
+	name[0] = CTL_NET;
+	name[1] = PF_INET6;
+	name[2] = IPPROTO_IPV6;
+	name[3] = IPV6CTL_STATS;
+	len = sizeof curstat;
+
+	if (sysctl(name, 4, &curstat, &len, 0, 0) < 0)
+		return;
+}
+
+#endif