[src/trunk]: src/sys/netinet6 Remove dead code, we don't care.

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

details:   https://anonhg.NetBSD.org/src/rev/e3e0c5fb318d
branches:  trunk
changeset: 319435:e3e0c5fb318d
user:      maxv <maxv%NetBSD.org@localhost>
date:      Tue May 29 16:21:30 2018 +0000

description:
Remove dead code, we don't care.

diffstat:

 sys/netinet6/ip6_output.c |  27 ++-------------------------
 1 files changed, 2 insertions(+), 25 deletions(-)

diffs (52 lines):

diff -r 92aef61391ba -r e3e0c5fb318d sys/netinet6/ip6_output.c
--- a/sys/netinet6/ip6_output.c Tue May 29 14:29:53 2018 +0000
+++ b/sys/netinet6/ip6_output.c Tue May 29 16:21:30 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ip6_output.c,v 1.209 2018/05/09 06:35:10 maxv Exp $    */
+/*     $NetBSD: ip6_output.c,v 1.210 2018/05/29 16:21:30 maxv Exp $    */
 /*     $KAME: ip6_output.c,v 1.172 2001/03/25 09:55:56 itojun Exp $    */
 
 /*
@@ -62,7 +62,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ip6_output.c,v 1.209 2018/05/09 06:35:10 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ip6_output.c,v 1.210 2018/05/29 16:21:30 maxv Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -875,33 +875,10 @@
                const int hlen = unfragpartlen;
                struct ip6_frag *ip6f;
                u_char nextproto;
-#if 0          /* see below */
-               struct ip6ctlparam ip6cp;
-               u_int32_t mtu32;
-#endif
 
                if (mtu > IPV6_MAXPACKET)
                        mtu = IPV6_MAXPACKET;
 
-#if 0
-               /*
-                * It is believed this code is a leftover from the
-                * development of the IPV6_RECVPATHMTU sockopt and
-                * associated work to implement RFC3542.
-                * It's not entirely clear what the intent of the API
-                * is at this point, so disable this code for now.
-                * The IPV6_RECVPATHMTU sockopt and/or IPV6_DONTFRAG
-                * will send notifications if the application requests.
-                */
-
-               /* Notify a proper path MTU to applications. */
-               mtu32 = (u_int32_t)mtu;
-               memset(&ip6cp, 0, sizeof(ip6cp));
-               ip6cp.ip6c_cmdarg = (void *)&mtu32;
-               pfctlinput2(PRC_MSGSIZE,
-                   rtcache_getdst(ro_pmtu), &ip6cp);
-#endif
-
                /*
                 * Must be able to put at least 8 bytes per fragment.
                 */