[src/trunk]: src/sys Remove dead code.

[maxv <maxv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/603324f0aec5
branches:  trunk
changeset: 829735:603324f0aec5
user:      maxv <maxv%NetBSD.org@localhost>
date:      Fri Feb 09 18:31:52 2018 +0000

description:
Remove dead code.

diffstat:

 sys/netinet/in.h         |   6 ++----
 sys/netinet/ip_input.c   |  13 ++-----------
 sys/netinet6/in6.h       |   6 ++----
 sys/netinet6/ip6_input.c |  12 ++----------
 4 files changed, 8 insertions(+), 29 deletions(-)

diffs (107 lines):

diff -r 551de92634d4 -r 603324f0aec5 sys/netinet/in.h
--- a/sys/netinet/in.h  Fri Feb 09 17:14:26 2018 +0000
+++ b/sys/netinet/in.h  Fri Feb 09 18:31:52 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: in.h,v 1.103 2018/01/10 10:56:30 knakahara Exp $       */
+/*     $NetBSD: in.h,v 1.104 2018/02/09 18:31:52 maxv Exp $    */
 
 /*
  * Copyright (c) 1982, 1986, 1990, 1993
@@ -450,9 +450,7 @@
 #define        IPCTL_FORWARDING        1       /* act as router */
 #define        IPCTL_SENDREDIRECTS     2       /* may send redirects when forwarding */
 #define        IPCTL_DEFTTL            3       /* default TTL */
-#ifdef notyet
-#define        IPCTL_DEFMTU            4       /* default MTU */
-#endif
+/* IPCTL_DEFMTU=4, never implemented */
 #define        IPCTL_FORWSRCRT         5       /* forward source-routed packets */
 #define        IPCTL_DIRECTEDBCAST     6       /* default broadcast behavior */
 #define        IPCTL_ALLOWSRCRT        7       /* allow/drop all source-routed pkts */
diff -r 551de92634d4 -r 603324f0aec5 sys/netinet/ip_input.c
--- a/sys/netinet/ip_input.c    Fri Feb 09 17:14:26 2018 +0000
+++ b/sys/netinet/ip_input.c    Fri Feb 09 18:31:52 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ip_input.c,v 1.374 2018/02/07 08:12:25 maxv Exp $      */
+/*     $NetBSD: ip_input.c,v 1.375 2018/02/09 18:31:52 maxv Exp $      */
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -91,7 +91,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ip_input.c,v 1.374 2018/02/07 08:12:25 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ip_input.c,v 1.375 2018/02/09 18:31:52 maxv Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -1640,15 +1640,6 @@
                       NULL, 0, &ip_defttl, 0,
                       CTL_NET, PF_INET, IPPROTO_IP,
                       IPCTL_DEFTTL, CTL_EOL);
-#ifdef IPCTL_DEFMTU
-       sysctl_createv(clog, 0, NULL, NULL,
-                      CTLFLAG_PERMANENT /* |CTLFLAG_READWRITE? */,
-                      CTLTYPE_INT, "mtu",
-                      SYSCTL_DESCR("Default MTA for an INET route"),
-                      NULL, 0, &ip_mtu, 0,
-                      CTL_NET, PF_INET, IPPROTO_IP,
-                      IPCTL_DEFMTU, CTL_EOL);
-#endif /* IPCTL_DEFMTU */
        sysctl_createv(clog, 0, NULL, NULL,
                       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
                       CTLTYPE_INT, "forwsrcrt",
diff -r 551de92634d4 -r 603324f0aec5 sys/netinet6/in6.h
--- a/sys/netinet6/in6.h        Fri Feb 09 17:14:26 2018 +0000
+++ b/sys/netinet6/in6.h        Fri Feb 09 18:31:52 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: in6.h,v 1.89 2018/01/30 15:54:02 maxv Exp $    */
+/*     $NetBSD: in6.h,v 1.90 2018/02/09 18:31:52 maxv Exp $    */
 /*     $KAME: in6.h,v 1.83 2001/03/29 02:55:07 jinmei Exp $    */
 
 /*
@@ -546,9 +546,7 @@
 #define IPV6CTL_FORWARDING     1       /* act as router */
 #define IPV6CTL_SENDREDIRECTS  2       /* may send redirects when forwarding*/
 #define IPV6CTL_DEFHLIM                3       /* default Hop-Limit */
-#ifdef notyet
-#define IPV6CTL_DEFMTU         4       /* default MTU */
-#endif
+/* IPV6CTL_DEFMTU=4, never implemented */
 #define IPV6CTL_FORWSRCRT      5       /* forward source-routed dgrams */
 #define IPV6CTL_STATS          6       /* stats */
 #define IPV6CTL_MRTSTATS       7       /* multicast forwarding stats */
diff -r 551de92634d4 -r 603324f0aec5 sys/netinet6/ip6_input.c
--- a/sys/netinet6/ip6_input.c  Fri Feb 09 17:14:26 2018 +0000
+++ b/sys/netinet6/ip6_input.c  Fri Feb 09 18:31:52 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ip6_input.c,v 1.189 2018/01/30 15:54:02 maxv Exp $     */
+/*     $NetBSD: ip6_input.c,v 1.190 2018/02/09 18:31:52 maxv Exp $     */
 /*     $KAME: ip6_input.c,v 1.188 2001/03/29 05:34:31 itojun Exp $     */
 
 /*
@@ -62,7 +62,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ip6_input.c,v 1.189 2018/01/30 15:54:02 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ip6_input.c,v 1.190 2018/02/09 18:31:52 maxv Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_gateway.h"
@@ -1601,14 +1601,6 @@
                       NULL, 0, &ip6_defhlim, 0,
                       CTL_NET, PF_INET6, IPPROTO_IPV6,
                       IPV6CTL_DEFHLIM, CTL_EOL);
-#ifdef notyet
-       sysctl_createv(clog, 0, NULL, NULL,
-                      CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
-                      CTLTYPE_INT, "mtu", NULL,
-                      NULL, 0, &, 0,
-                      CTL_NET, PF_INET6, IPPROTO_IPV6,
-                      IPV6CTL_DEFMTU, CTL_EOL);
-#endif
        sysctl_createv(clog, 0, NULL, NULL,
                       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
                       CTLTYPE_INT, "maxfragpackets",