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Replace toe_nd6_resolve() with nd6_resolve().

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Reviewed by:	np
This commit is contained in:
Alexander V. Chernikov 2015-09-22 19:05:44 +00:00
parent 37864a5451
commit 8e5aadb617
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=288124
1 changed files with 1 additions and 72 deletions
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73
sys/netinet/toecore.c
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@ -448,77 +448,6 @@ toe_route_redirect_event(void *arg __unused, struct rtentry *rt0,
return;
}
#ifdef INET6
/*
* XXX: no checks to verify that sa is really a neighbor because we assume it is
* the result of a route lookup and is on-link on the given ifp.
*/
static int
toe_nd6_resolve(struct ifnet *ifp, struct sockaddr *sa, uint8_t *lladdr)
{
struct llentry *lle, *lle_tmp;
struct sockaddr_in6 *sin6 = (void *)sa;
int rc, flags = 0;
restart:
IF_AFDATA_RLOCK(ifp);
lle = lla_lookup(LLTABLE6(ifp), flags, sa);
IF_AFDATA_RUNLOCK(ifp);
if (lle == NULL) {
lle = nd6_alloc(&sin6->sin6_addr, 0, ifp);
if (lle == NULL)
return (ENOMEM); /* Couldn't create entry in cache. */
IF_AFDATA_WLOCK(ifp);
LLE_WLOCK(lle);
lle_tmp = nd6_lookup(&sin6->sin6_addr, ND6_EXCLUSIVE, ifp);
/* Prefer any existing lle over newly-created one */
if (lle_tmp == NULL)
lltable_link_entry(LLTABLE6(ifp), lle);
IF_AFDATA_WUNLOCK(ifp);
if (lle_tmp == NULL) {
/* Arm timer for newly-created entry and send NS */
nd6_llinfo_setstate(lle, ND6_LLINFO_INCOMPLETE);
LLE_WUNLOCK(lle);
nd6_ns_output(ifp, NULL, NULL, &sin6->sin6_addr, 0);
return (EWOULDBLOCK);
} else {
/* Drop newly-created lle and switch to existing one */
lltable_free_entry(LLTABLE6(ifp), lle);
lle = lle_tmp;
lle_tmp = NULL;
}
}
if (lle->ln_state == ND6_LLINFO_STALE) {
if ((flags & LLE_EXCLUSIVE) == 0) {
LLE_RUNLOCK(lle);
flags |= LLE_EXCLUSIVE;
goto restart;
}
LLE_WLOCK_ASSERT(lle);
lle->la_asked = 0;
nd6_llinfo_setstate(lle, ND6_LLINFO_DELAY);
}
if (lle->la_flags & LLE_VALID) {
memcpy(lladdr, &lle->ll_addr, ifp->if_addrlen);
rc = 0;
} else
rc = EWOULDBLOCK;
if (flags & LLE_EXCLUSIVE)
LLE_WUNLOCK(lle);
else
LLE_RUNLOCK(lle);
return (rc);
}
#endif
/*
* Returns 0 or EWOULDBLOCK on success (any other value is an error). 0 means
* lladdr and vtag are valid on return, EWOULDBLOCK means the TOE driver's
@ -538,7 +467,7 @@ toe_l2_resolve(struct toedev *tod, struct ifnet *ifp, struct sockaddr *sa,
#endif
#ifdef INET6
case AF_INET6:
rc = toe_nd6_resolve(ifp, sa, lladdr);
rc = nd6_resolve(ifp, 0, NULL, sa, lladdr, NULL);
break;
#endif
default: