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netinet6: garbage collect OSIOCGIFINFO_IN6

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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.
This commit is contained in:
Gleb Smirnoff 2026-01-07 18:42:02 -08:00
parent 75556c7e99
commit 008e5703e1
4 changed files with 1 additions and 34 deletions
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1
sys/netinet6/in6.c
View file

@ -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:

3
sys/netinet6/in6_var.h
View file

@ -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)

14
sys/netinet6/nd6.c
View file

@ -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;

17
sys/netinet6/nd6.h
View file

@ -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;