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improve route/nd cache cleanup on interface removal.

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CAVEAT: haven't really tested it yet, please report
This commit is contained in:
Jun-ichiro itojun Hagino 2000-07-16 01:46:42 +00:00
parent 670eb236c0
commit 978ee2ed92
1 changed files with 10 additions and 12 deletions
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22
sys/net/if.c
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@ -63,6 +63,8 @@
#include <netinet/in_var.h>
#ifdef INET6
#include <machine/clock.h> /* XXX: temporal workaround for fxp issue */
#include <netinet6/in6_var.h>
#include <netinet6/in6_ifattach.h>
#endif
#endif
@ -260,19 +262,10 @@ if_detach(ifp)
}
#endif /* INET */
#ifdef INET6
/* XXX: Ugly!! ad hoc just for INET6 */
if (ifa->ifa_addr && ifa->ifa_addr->sa_family == AF_INET6) {
struct in6_aliasreq ifr;
bzero(&ifr, sizeof(ifr));
ifr.ifra_addr =
*((struct sockaddr_in6 *)ifa->ifa_addr);
if (ifa->ifa_dstaddr)
ifr.ifra_dstaddr =
*((struct sockaddr_in6 *)ifa->ifa_dstaddr);
if (in6_control(NULL, SIOCDIFADDR_IN6, (caddr_t)&ifr,
ifp, NULL) == 0)
continue;
in6_purgeaddr(ifa, ifp);
/* ifp_addrhead is already updated */
continue;
}
#endif /* INET6 */
TAILQ_REMOVE(&ifp->if_addrhead, ifa, ifa_link);
@ -291,6 +284,11 @@ if_detach(ifp)
(void) rnh->rnh_walktree(rnh, if_rtdel, ifp);
}
#ifdef INET6
/* nuke all IPv6 kernel structs related to ifp */
in6_ifdetach(ifp);
#endif
TAILQ_REMOVE(&ifnet, ifp, if_link);
splx(s);
}