1 files changed, 339 insertions, 0 deletions
diff --git a/usr.bin/systat/ip.c b/usr.bin/systat/ip.c
new file mode 100644
index 0000000..cad79b7
--- /dev/null
+++ b/usr.bin/systat/ip.c
@@ -0,0 +1,339 @@
+/*-
+ * 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.
+ * 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"
+*/
+
+#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 <netinet/ip_var.h>
+#include <netinet/udp.h>
+#include <netinet/udp_var.h>
+
+#include <stdlib.h>
+#include <string.h>
+#include <paths.h>
+
+#include "systat.h"
+#include "extern.h"
+#include "mode.h"
+
+struct stat {
+	struct ipstat i;
+	struct udpstat u;
+};
+
+static struct stat curstat, initstat, oldstat;
+
+/*-
+--0         1         2         3         4         5         6         7
+--0123456789012345678901234567890123456789012345678901234567890123456789012345
+00          IP Input                           IP Output
+01999999999 total packets received   999999999 total packets sent
+02999999999 - with bad checksums     999999999 - generated locally
+03999999999 - too short for header   999999999 - output drops
+04999999999 - too short for data     999999999 output fragments generated
+05999999999 - with invalid hlen      999999999 - fragmentation failed
+06999999999 - with invalid length    999999999 destinations unreachable
+07999999999 - with invalid version   999999999 packets output via raw IP
+08999999999 - jumbograms
+09999999999 total fragments received           UDP Statistics
+10999999999 - fragments dropped      999999999 total input packets
+11999999999 - fragments timed out    999999999 - too short for header
+12999999999 - packets reassembled ok 999999999 - invalid checksum
+13999999999 packets forwarded        999999999 - no checksum
+14999999999 - unreachable dests      999999999 - invalid length
+15999999999 - redirects generated    999999999 - no socket for dest port
+16999999999 option errors            999999999 - no socket for broadcast
+17999999999 unwanted multicasts      999999999 - socket buffer full
+18999999999 delivered to upper layer 999999999 total output packets
+--0123456789012345678901234567890123456789012345678901234567890123456789012345
+--0         1         2         3         4         5         6         7
+*/
+
+WINDOW *
+openip(void)
+{
+	return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0));
+}
+
+void
+closeip(WINDOW *w)
+{
+	if (w == NULL)
+		return;
+	wclear(w);
+	wrefresh(w);
+	delwin(w);
+}
+
+void
+labelip(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(0, "IP Input");		R(0, "IP Output");
+	L(1, "total packets received");	R(1, "total packets sent");
+	L(2, "- with bad checksums");	R(2, "- generated locally");
+	L(3, "- too short for header");	R(3, "- output drops");
+	L(4, "- too short for data");	R(4, "output fragments generated");
+	L(5, "- with invalid hlen");	R(5, "- fragmentation failed");
+	L(6, "- with invalid length");	R(6, "destinations unreachable");
+	L(7, "- with invalid version");	R(7, "packets output via raw IP");
+	L(8, "- jumbograms");
+	L(9, "total fragments received");	R(9, "UDP Statistics");
+	L(10, "- fragments dropped");	R(10, "total input packets");
+	L(11, "- fragments timed out");	R(11, "- too short for header");
+	L(12, "- packets reassembled ok");	R(12, "- invalid checksum");
+	L(13, "packets forwarded");	R(13, "- no checksum");
+	L(14, "- unreachable dests");	R(14, "- invalid length");
+	L(15, "- redirects generated");	R(15, "- no socket for dest port");
+	L(16, "option errors");		R(16, "- no socket for broadcast");
+	L(17, "unwanted multicasts");	R(17, "- socket buffer full");
+	L(18, "delivered to upper layer");	R(18, "total output packets");
+#undef L
+#undef R
+}
+
+static void
+domode(struct stat *ret)
+{
+	const struct stat *sub;
+	int divisor = 1;
+
+	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(i.ips_total);
+	DO(i.ips_badsum);
+	DO(i.ips_tooshort);
+	DO(i.ips_toosmall);
+	DO(i.ips_badhlen);
+	DO(i.ips_badlen);
+	DO(i.ips_fragments);
+	DO(i.ips_fragdropped);
+	DO(i.ips_fragtimeout);
+	DO(i.ips_forward);
+	DO(i.ips_cantforward);
+	DO(i.ips_redirectsent);
+	DO(i.ips_noproto);
+	DO(i.ips_delivered);
+	DO(i.ips_localout);
+	DO(i.ips_odropped);
+	DO(i.ips_reassembled);
+	DO(i.ips_fragmented);
+	DO(i.ips_ofragments);
+	DO(i.ips_cantfrag);
+	DO(i.ips_badoptions);
+	DO(i.ips_noroute);
+	DO(i.ips_badvers);
+	DO(i.ips_rawout);
+	DO(i.ips_toolong);
+	DO(i.ips_notmember);
+	DO(u.udps_ipackets);
+	DO(u.udps_hdrops);
+	DO(u.udps_badsum);
+	DO(u.udps_nosum);
+	DO(u.udps_badlen);
+	DO(u.udps_noport);
+	DO(u.udps_noportbcast);
+	DO(u.udps_fullsock);
+	DO(u.udps_opackets);
+#undef DO
+}
+
+void
+showip(void)
+{
+	struct stat stats;
+	u_long totalout;
+
+	domode(&stats);
+	totalout = stats.i.ips_forward + stats.i.ips_localout;
+
+#define DO(stat, row, col) \
+	mvwprintw(wnd, row, col, "%9lu", stats.stat)
+
+	DO(i.ips_total, 1, 0);
+	mvwprintw(wnd, 1, 35, "%9lu", totalout);
+	DO(i.ips_badsum, 2, 0);
+	DO(i.ips_localout, 2, 35);
+	DO(i.ips_tooshort, 3, 0);
+	DO(i.ips_odropped, 3, 35);
+	DO(i.ips_toosmall, 4, 0);
+	DO(i.ips_ofragments, 4, 35);
+	DO(i.ips_badhlen, 5, 0);
+	DO(i.ips_cantfrag, 5, 35);
+	DO(i.ips_badlen, 6, 0);
+	DO(i.ips_noroute, 6, 35);
+	DO(i.ips_badvers, 7, 0);
+	DO(i.ips_rawout, 7, 35);
+	DO(i.ips_toolong, 8, 0);
+	DO(i.ips_fragments, 9, 0);
+	DO(i.ips_fragdropped, 10, 0);
+	DO(u.udps_ipackets, 10, 35);
+	DO(i.ips_fragtimeout, 11, 0);
+	DO(u.udps_hdrops, 11, 35);
+	DO(i.ips_reassembled, 12, 0);
+	DO(u.udps_badsum, 12, 35);
+	DO(i.ips_forward, 13, 0);
+	DO(u.udps_nosum, 13, 35);
+	DO(i.ips_cantforward, 14, 0);
+	DO(u.udps_badlen, 14, 35);
+	DO(i.ips_redirectsent, 15, 0);
+	DO(u.udps_noport, 15, 35);
+	DO(i.ips_badoptions, 16, 0);
+	DO(u.udps_noportbcast, 16, 35);
+	DO(i.ips_notmember, 17, 0);
+	DO(u.udps_fullsock, 17, 35);
+	DO(i.ips_delivered, 18, 0);
+	DO(u.udps_opackets, 18, 35);
+#undef DO
+}
+
+int
+initip(void)
+{
+	size_t len;
+	int name[4];
+
+	name[0] = CTL_NET;
+	name[1] = PF_INET;
+	name[2] = IPPROTO_IP;
+	name[3] = IPCTL_STATS;
+
+	len = 0;
+	if (sysctl(name, 4, 0, &len, 0, 0) < 0) {
+		error("sysctl getting ipstat size failed");
+		return 0;
+	}
+	if (len > sizeof curstat.i) {
+		error("ipstat structure has grown--recompile systat!");
+		return 0;
+	}
+	if (sysctl(name, 4, &initstat.i, &len, 0, 0) < 0) {
+		error("sysctl getting ipstat failed");
+		return 0;
+	}
+	name[2] = IPPROTO_UDP;
+	name[3] = UDPCTL_STATS;
+
+	len = 0;
+	if (sysctl(name, 4, 0, &len, 0, 0) < 0) {
+		error("sysctl getting udpstat size failed");
+		return 0;
+	}
+	if (len > sizeof curstat.u) {
+		error("ipstat structure has grown--recompile systat!");
+		return 0;
+	}
+	if (sysctl(name, 4, &initstat.u, &len, 0, 0) < 0) {
+		error("sysctl getting udpstat failed");
+		return 0;
+	}
+	oldstat = initstat;
+	return 1;
+}
+
+void
+resetip(void)
+{
+	size_t len;
+	int name[4];
+
+	name[0] = CTL_NET;
+	name[1] = PF_INET;
+	name[2] = IPPROTO_IP;
+	name[3] = IPCTL_STATS;
+
+	len = sizeof initstat.i;
+	if (sysctl(name, 4, &initstat.i, &len, 0, 0) < 0) {
+		error("sysctl getting ipstat failed");
+	}
+	name[2] = IPPROTO_UDP;
+	name[3] = UDPCTL_STATS;
+
+	len = sizeof initstat.u;
+	if (sysctl(name, 4, &initstat.u, &len, 0, 0) < 0) {
+		error("sysctl getting udpstat failed");
+	}
+	oldstat = initstat;
+}
+
+void
+fetchip(void)
+{
+	int name[4];
+	size_t len;
+
+	oldstat = curstat;
+	name[0] = CTL_NET;
+	name[1] = PF_INET;
+	name[2] = IPPROTO_IP;
+	name[3] = IPCTL_STATS;
+	len = sizeof curstat.i;
+
+	if (sysctl(name, 4, &curstat.i, &len, 0, 0) < 0)
+		return;
+	name[2] = IPPROTO_UDP;
+	name[3] = UDPCTL_STATS;
+	len = sizeof curstat.u;
+
+	if (sysctl(name, 4, &curstat.u, &len, 0, 0) < 0)
+		return;
+}