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Use standard lle LLE_EXCLUSIVE request flags instead of

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its redefined version.
This commit is contained in:
Alexander V. Chernikov 2015-09-22 20:45:04 +00:00
parent faca5970b0
commit f506d933b5
2 changed files with 10 additions and 14 deletions
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22
sys/netinet6/nd6.c
View File

@ -991,7 +991,6 @@ nd6_lookup(const struct in6_addr *addr6, int flags, struct ifnet *ifp)
{
struct sockaddr_in6 sin6;
struct llentry *ln;
int llflags;
bzero(&sin6, sizeof(sin6));
sin6.sin6_len = sizeof(struct sockaddr_in6);
@ -1000,8 +999,7 @@ nd6_lookup(const struct in6_addr *addr6, int flags, struct ifnet *ifp)
IF_AFDATA_LOCK_ASSERT(ifp);
llflags = (flags & ND6_EXCLUSIVE) ? LLE_EXCLUSIVE : 0;
ln = lla_lookup(LLTABLE6(ifp), llflags, (struct sockaddr *)&sin6);
ln = lla_lookup(LLTABLE6(ifp), flags, (struct sockaddr *)&sin6);
return (ln);
}
@ -1331,7 +1329,7 @@ nd6_nud_hint(struct rtentry *rt, struct in6_addr *dst6, int force)
ifp = rt->rt_ifp;
IF_AFDATA_RLOCK(ifp);
ln = nd6_lookup(dst6, ND6_EXCLUSIVE, NULL);
ln = nd6_lookup(dst6, LLE_EXCLUSIVE, NULL);
IF_AFDATA_RUNLOCK(ifp);
if (ln == NULL)
return;
@ -1741,13 +1739,13 @@ nd6_cache_lladdr(struct ifnet *ifp, struct in6_addr *from, char *lladdr,
* Spec says nothing in sections for RA, RS and NA. There's small
* description on it in NS section (RFC 2461 7.2.3).
*/
flags = lladdr ? ND6_EXCLUSIVE : 0;
flags = lladdr ? LLE_EXCLUSIVE : 0;
IF_AFDATA_RLOCK(ifp);
ln = nd6_lookup(from, flags, ifp);
IF_AFDATA_RUNLOCK(ifp);
is_newentry = 0;
if (ln == NULL) {
flags |= ND6_EXCLUSIVE;
flags |= LLE_EXCLUSIVE;
ln = nd6_alloc(from, 0, ifp);
if (ln == NULL)
return;
@ -1763,7 +1761,7 @@ nd6_cache_lladdr(struct ifnet *ifp, struct in6_addr *from, char *lladdr,
IF_AFDATA_WLOCK(ifp);
LLE_WLOCK(ln);
/* Prefer any existing lle over newly-created one */
ln_tmp = nd6_lookup(from, ND6_EXCLUSIVE, ifp);
ln_tmp = nd6_lookup(from, LLE_EXCLUSIVE, ifp);
if (ln_tmp == NULL)
lltable_link_entry(LLTABLE6(ifp), ln);
IF_AFDATA_WUNLOCK(ifp);
@ -1779,7 +1777,7 @@ nd6_cache_lladdr(struct ifnet *ifp, struct in6_addr *from, char *lladdr,
}
/* do nothing if static ndp is set */
if ((ln->la_flags & LLE_STATIC)) {
if (flags & ND6_EXCLUSIVE)
if (flags & LLE_EXCLUSIVE)
LLE_WUNLOCK(ln);
else
LLE_RUNLOCK(ln);
@ -1836,7 +1834,7 @@ nd6_cache_lladdr(struct ifnet *ifp, struct in6_addr *from, char *lladdr,
if ((type & 0xFF) == ND_REDIRECT && code != ND_REDIRECT_ROUTER)
ln->la_flags |= LLE_REDIRECT;
if (flags & ND6_EXCLUSIVE)
if (flags & LLE_EXCLUSIVE)
LLE_WUNLOCK(ln);
else
LLE_RUNLOCK(ln);
@ -2053,7 +2051,7 @@ nd6_resolve(struct ifnet *ifp, int is_gw, struct mbuf *m,
*
* Heavy version.
* Function assume that destination LLE does not exist,
* is invalid or stale, so ND6_EXCLUSIVE lock needs to be acquired.
* is invalid or stale, so LLE_EXCLUSIVE lock needs to be acquired.
*/
static int
nd6_resolve_slow(struct ifnet *ifp, struct mbuf *m,
@ -2071,7 +2069,7 @@ nd6_resolve_slow(struct ifnet *ifp, struct mbuf *m,
*/
if (lle == NULL) {
IF_AFDATA_RLOCK(ifp);
lle = nd6_lookup(&dst->sin6_addr, ND6_EXCLUSIVE, ifp);
lle = nd6_lookup(&dst->sin6_addr, LLE_EXCLUSIVE, ifp);
IF_AFDATA_RUNLOCK(ifp);
if ((lle == NULL) && nd6_is_addr_neighbor(dst, ifp)) {
/*
@ -2093,7 +2091,7 @@ nd6_resolve_slow(struct ifnet *ifp, struct mbuf *m,
IF_AFDATA_WLOCK(ifp);
LLE_WLOCK(lle);
/* Prefer any existing entry over newly-created one */
lle_tmp = nd6_lookup(&dst->sin6_addr, ND6_EXCLUSIVE, ifp);
lle_tmp = nd6_lookup(&dst->sin6_addr, LLE_EXCLUSIVE, ifp);
if (lle_tmp == NULL)
lltable_link_entry(LLTABLE6(ifp), lle);
IF_AFDATA_WUNLOCK(ifp);

2
sys/netinet6/nd6.h
View File

@ -89,8 +89,6 @@ struct nd_ifinfo {
#define ND6_IFF_NO_PREFER_IFACE 0x80 /* XXX: not related to ND. */
#define ND6_IFF_NO_DAD 0x100
#define ND6_EXCLUSIVE LLE_EXCLUSIVE
#ifdef _KERNEL
#define ND_IFINFO(ifp) \
(((struct in6_ifextra *)(ifp)->if_afdata[AF_INET6])->nd_ifinfo)