git: 008e5703e184 - main - netinet6: garbage collect OSIOCGIFINFO_IN6

The branch main has been updated by glebius:

URL: https://cgit.FreeBSD.org/src/commit/?id=008e5703e184cb5fe2079cfbdef5091add2ab3e1

commit 008e5703e184cb5fe2079cfbdef5091add2ab3e1
Author:     Gleb Smirnoff <glebius@FreeBSD.org>
AuthorDate: 2026-01-08 02:42:02 +0000
Commit:     Gleb Smirnoff <glebius@FreeBSD.org>
CommitDate: 2026-01-15 02:57:10 +0000

    netinet6: garbage collect OSIOCGIFINFO_IN6
    
    This ioctl has been marked as "old" starting with the original KAME export
    over 20 years ago and has been hidden under #ifdef _KERNEL since.  There
    is no software that uses it.
---
 sys/netinet6/in6.c     |  1 -
 sys/netinet6/in6_var.h |  3 ---
 sys/netinet6/nd6.c     | 14 +-------------
 sys/netinet6/nd6.h     | 17 -----------------
 4 files changed, 1 insertion(+), 34 deletions(-)

diff --git a/sys/netinet6/in6.c b/sys/netinet6/in6.c
index e8b76bdd579b..43452525e992 100644
--- a/sys/netinet6/in6.c
+++ b/sys/netinet6/in6.c
@@ -317,7 +317,6 @@ in6_control_ioctl(u_long cmd, void *data,
 				return (error);
 		}
 		/* FALLTHROUGH */
-	case OSIOCGIFINFO_IN6:
 	case SIOCGIFINFO_IN6:
 	case SIOCGNBRINFO_IN6:
 	case SIOCGDEFIFACE_IN6:
diff --git a/sys/netinet6/in6_var.h b/sys/netinet6/in6_var.h
index 0cfdde652c0a..8881885ecf86 100644
--- a/sys/netinet6/in6_var.h
+++ b/sys/netinet6/in6_var.h
@@ -449,9 +449,6 @@ struct	in6_rrenumreq {
 
 #define SIOCGIFAFLAG_IN6	_IOWR('i', 73, struct in6_ifreq)
 
-#ifdef _KERNEL
-#define OSIOCGIFINFO_IN6	_IOWR('i', 76, struct in6_ondireq)
-#endif
 #define SIOCGIFINFO_IN6		_IOWR('i', 108, struct in6_ndireq)
 #define SIOCSIFINFO_IN6		_IOWR('i', 109, struct in6_ndireq)
 #define SIOCSNDFLUSH_IN6	_IOWR('i', 77, struct in6_ifreq)
diff --git a/sys/netinet6/nd6.c b/sys/netinet6/nd6.c
index 595e0b4ac54f..04ce9bf6dd55 100644
--- a/sys/netinet6/nd6.c
+++ b/sys/netinet6/nd6.c
@@ -1649,20 +1649,8 @@ nd6_ioctl(u_long cmd, caddr_t data, struct ifnet *ifp)
 	/* XXXGL: ??? */
 	if (ifp->if_inet6 == NULL)
 		return (EPFNOSUPPORT);
-	switch (cmd) {
-	case OSIOCGIFINFO_IN6:
 #define ND	ndi->ndi
-		/* XXX: old ndp(8) assumes a positive value for linkmtu. */
-		bzero(&ND, sizeof(ND));
-		ND.linkmtu = IN6_LINKMTU(ifp);
-		ND.maxmtu = ND_IFINFO(ifp)->maxmtu;
-		ND.basereachable = ND_IFINFO(ifp)->basereachable;
-		ND.reachable = ND_IFINFO(ifp)->reachable;
-		ND.retrans = ND_IFINFO(ifp)->retrans;
-		ND.flags = ND_IFINFO(ifp)->flags;
-		ND.recalctm = ND_IFINFO(ifp)->recalctm;
-		ND.chlim = ND_IFINFO(ifp)->chlim;
-		break;
+	switch (cmd) {
 	case SIOCGIFINFO_IN6:
 		ND = *ND_IFINFO(ifp);
 		break;
diff --git a/sys/netinet6/nd6.h b/sys/netinet6/nd6.h
index 3051397ec33f..0f61e167f480 100644
--- a/sys/netinet6/nd6.h
+++ b/sys/netinet6/nd6.h
@@ -139,23 +139,6 @@ struct in6_prefix {
 	/* struct sockaddr_in6 advrtr[] */
 };
 
-#ifdef _KERNEL
-struct	in6_ondireq {
-	char ifname[IFNAMSIZ];
-	struct {
-		u_int32_t linkmtu;	/* LinkMTU */
-		u_int32_t maxmtu;	/* Upper bound of LinkMTU */
-		u_int32_t basereachable; /* BaseReachableTime */
-		u_int32_t reachable;	/* Reachable Time */
-		u_int32_t retrans;	/* Retrans Timer */
-		u_int32_t flags;	/* Flags */
-		int recalctm;		/* BaseReacable re-calculation timer */
-		u_int8_t chlim;		/* CurHopLimit */
-		u_int8_t receivedra;
-	} ndi;
-};
-#endif
-
 struct	in6_ndireq {
 	char ifname[IFNAMSIZ];
 	struct nd_ifinfo ndi;