From a88d6d7e07914eab53e53a612ad836cce43c80bd Mon Sep 17 00:00:00 2001 From: Mark Johnston Date: Fri, 7 Oct 2016 00:34:57 +0000 Subject: [PATCH] Shorten and simplify some of the loops in pfxlist_onlink_check(). No functional change intended. MFC after: 1 week --- sys/netinet6/nd6_rtr.c | 42 ++++++++++++------------------------------ 1 file changed, 12 insertions(+), 30 deletions(-) diff --git a/sys/netinet6/nd6_rtr.c b/sys/netinet6/nd6_rtr.c index c9c7056aa77c..ca2a0e4b4da1 100644 --- a/sys/netinet6/nd6_rtr.c +++ b/sys/netinet6/nd6_rtr.c @@ -1485,40 +1485,26 @@ pfxlist_onlink_check(void) */ LIST_FOREACH(pr, &V_nd_prefix, ndpr_entry) { /* XXX: a link-local prefix should never be detached */ - if (IN6_IS_ADDR_LINKLOCAL(&pr->ndpr_prefix.sin6_addr)) - continue; - - /* - * we aren't interested in prefixes without the L bit - * set. - */ - if (pr->ndpr_raf_onlink == 0) - continue; - - if (pr->ndpr_raf_auto == 0) + if (IN6_IS_ADDR_LINKLOCAL(&pr->ndpr_prefix.sin6_addr) || + pr->ndpr_raf_onlink == 0 || + pr->ndpr_raf_auto == 0) continue; if ((pr->ndpr_stateflags & NDPRF_DETACHED) == 0 && find_pfxlist_reachable_router(pr) == NULL) pr->ndpr_stateflags |= NDPRF_DETACHED; - if ((pr->ndpr_stateflags & NDPRF_DETACHED) != 0 && + else if ((pr->ndpr_stateflags & NDPRF_DETACHED) != 0 && find_pfxlist_reachable_router(pr) != NULL) pr->ndpr_stateflags &= ~NDPRF_DETACHED; } } else { /* there is no prefix that has a reachable router */ LIST_FOREACH(pr, &V_nd_prefix, ndpr_entry) { - if (IN6_IS_ADDR_LINKLOCAL(&pr->ndpr_prefix.sin6_addr)) + if (IN6_IS_ADDR_LINKLOCAL(&pr->ndpr_prefix.sin6_addr) || + pr->ndpr_raf_onlink == 0 || + pr->ndpr_raf_auto == 0) continue; - - if (pr->ndpr_raf_onlink == 0) - continue; - - if (pr->ndpr_raf_auto == 0) - continue; - - if ((pr->ndpr_stateflags & NDPRF_DETACHED) != 0) - pr->ndpr_stateflags &= ~NDPRF_DETACHED; + pr->ndpr_stateflags &= ~NDPRF_DETACHED; } } @@ -1531,16 +1517,12 @@ pfxlist_onlink_check(void) * so we don't have to care about them. */ LIST_FOREACH(pr, &V_nd_prefix, ndpr_entry) { - int e; char ip6buf[INET6_ADDRSTRLEN]; + int e; - if (IN6_IS_ADDR_LINKLOCAL(&pr->ndpr_prefix.sin6_addr)) - continue; - - if (pr->ndpr_raf_onlink == 0) - continue; - - if (pr->ndpr_raf_auto == 0) + if (IN6_IS_ADDR_LINKLOCAL(&pr->ndpr_prefix.sin6_addr) || + pr->ndpr_raf_onlink == 0 || + pr->ndpr_raf_auto == 0) continue; if ((pr->ndpr_stateflags & NDPRF_DETACHED) != 0 &&