- fix typo in comment.
- nuke unused code. Submitted by: suz Obtained from: KAME
This commit is contained in:
Hajimu UMEMOTO
parent
fd04cc7766
commit
cd0fdcf7a7
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=148987
@ -373,7 +373,7 @@ icmp6_error(m, type, code, param)
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/*
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* icmp6_reflect() is designed to be in the input path.
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* icmp6_error() can be called from both input and outut path,
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* icmp6_error() can be called from both input and output path,
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* and if we are in output path rcvif could contain bogus value.
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* clear m->m_pkthdr.rcvif for safety, we should have enough scope
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* information in ip header (nip6).
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@ -387,7 +387,7 @@ icmp6_error(m, type, code, param)
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freeit:
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/*
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* If we can't tell wheter or not we can generate ICMP6, free it.
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* If we can't tell whether or not we can generate ICMP6, free it.
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*/
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m_freem(m);
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}
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@ -448,7 +448,7 @@ icmp6_input(mp, offp, proto)
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if (faithprefix_p != NULL && (*faithprefix_p)(&ip6->ip6_dst)) {
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/*
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* Deliver very specific ICMP6 type only.
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* This is important to deilver TOOBIG. Otherwise PMTUD
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* This is important to deliver TOOBIG. Otherwise PMTUD
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* will not work.
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*/
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switch (icmp6->icmp6_type) {
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@ -461,7 +461,7 @@ selectroute(dstsock, opts, mopts, ro, retifp, retrt, clone, norouteok)
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(norouteok || retrt == NULL ||
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IN6_IS_ADDR_MULTICAST(dst))) {
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/*
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* we do not have to check nor get the route for
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* we do not have to check or get the route for
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* multicast.
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*/
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goto done;
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@ -534,7 +534,7 @@ struct in6_multistep {
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/*
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* Macros for looking up the in6_multi record for a given IP6 multicast
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* address on a given interface. If no matching record is found, "in6m"
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* returns NLL.
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* returns NULL.
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*/
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#define IN6_LOOKUP_MULTI(addr, ifp, in6m) \
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@ -1036,7 +1036,7 @@ nd6_free(rt)
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/*
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* Upper-layer reachability hint for Neighbor Unreachability Detection.
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*
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* XXX cost-effective metods?
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* XXX cost-effective methods?
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*/
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void
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nd6_nud_hint(rt, dst6, force)
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@ -1822,7 +1822,7 @@ nd6_output(ifp, origifp, m0, dst, rt0)
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goto sendpkt;
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/*
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* next hop determination. This routine is derived from ether_outpout.
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* next hop determination. This routine is derived from ether_output.
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*/
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again:
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if (rt) {
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@ -87,7 +87,7 @@ static int dad_maxtry = 15; /* max # of *tries* to transmit DAD packet */
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* Input a Neighbor Solicitation Message.
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*
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* Based on RFC 2461
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* Based on RFC 2462 (duplicated address detection)
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* Based on RFC 2462 (duplicate address detection)
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*/
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void
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nd6_ns_input(m, off, icmp6len)
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@ -133,7 +133,7 @@ nd6_ns_input(m, off, icmp6len)
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}
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if (IN6_IS_ADDR_UNSPECIFIED(&saddr6)) {
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/* dst has to be solicited node multicast address. */
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/* dst has to be a solicited node multicast address. */
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if (daddr6.s6_addr16[0] == IPV6_ADDR_INT16_MLL &&
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/* don't check ifindex portion */
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daddr6.s6_addr32[1] == 0 &&
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@ -280,7 +280,7 @@ nd6_ns_input(m, off, icmp6len)
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if (tentative) {
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/*
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* If source address is unspecified address, it is for
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* duplicated address detection.
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* duplicate address detection.
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*
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* If not, the packet is for addess resolution;
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* silently ignore it.
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@ -338,14 +338,14 @@ nd6_ns_input(m, off, icmp6len)
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* - ND6 header source datalink address
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*
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* Based on RFC 2461
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* Based on RFC 2462 (duplicated address detection)
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* Based on RFC 2462 (duplicate address detection)
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*/
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void
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nd6_ns_output(ifp, daddr6, taddr6, ln, dad)
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struct ifnet *ifp;
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const struct in6_addr *daddr6, *taddr6;
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struct llinfo_nd6 *ln; /* for source address determination */
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int dad; /* duplicated address detection */
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int dad; /* duplicate address detection */
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{
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struct mbuf *m;
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struct ip6_hdr *ip6;
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@ -436,6 +436,10 @@ nd6_ns_output(ifp, daddr6, taddr6, ln, dad)
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struct in6_addr *hsrc = NULL;
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if (ln && ln->ln_hold) {
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/*
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* assuming every packet in ln_hold has the same IP
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* header
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*/
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hip6 = mtod(ln->ln_hold, struct ip6_hdr *);
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/* XXX pullup? */
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if (sizeof(*hip6) < ln->ln_hold->m_len)
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@ -537,7 +541,7 @@ nd6_ns_output(ifp, daddr6, taddr6, ln, dad)
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* Neighbor advertisement input handling.
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*
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* Based on RFC 2461
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* Based on RFC 2462 (duplicated address detection)
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* Based on RFC 2462 (duplicate address detection)
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*
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* the following items are not implemented yet:
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* - proxy advertisement delay rule (RFC2461 7.2.8, last paragraph, SHOULD)
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@ -1078,7 +1082,7 @@ nd6_dad_stoptimer(dp)
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}
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/*
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* Start Duplicated Address Detection (DAD) for specified interface address.
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* Start Duplicate Address Detection (DAD) for specified interface address.
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*/
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void
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nd6_dad_start(ifa, tick)
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@ -1265,33 +1269,8 @@ nd6_dad_timer(ifa)
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}
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if (dp->dad_ns_icount) {
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#if 0 /* heuristics */
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/*
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* if
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* - we have sent many(?) DAD NS, and
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* - the number of NS we sent equals to the
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* number of NS we've got, and
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* - we've got no NA
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* we may have a faulty network card/driver which
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* loops back multicasts to myself.
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*/
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if (3 < dp->dad_count
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&& dp->dad_ns_icount == dp->dad_count
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&& dp->dad_na_icount == 0) {
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log(LOG_INFO, "DAD questionable for %s(%s): "
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"network card loops back multicast?\n",
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ip6_sprintf(&ia->ia_addr.sin6_addr),
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if_name(ifa->ifa_ifp));
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/* XXX consider it a duplicate or not? */
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/* duplicate++; */
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} else {
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/* We've seen NS, means DAD has failed. */
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duplicate++;
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}
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#else
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/* We've seen NS, means DAD has failed. */
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duplicate++;
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#endif
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}
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if (duplicate) {
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@ -1301,7 +1280,7 @@ nd6_dad_timer(ifa)
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} else {
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/*
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* We are done with DAD. No NA came, no NS came.
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* duplicated address found.
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* No duplicate address found.
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*/
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ia->ia6_flags &= ~IN6_IFF_TENTATIVE;
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@ -1342,7 +1321,7 @@ nd6_dad_duplicated(ifa)
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ia->ia6_flags &= ~IN6_IFF_TENTATIVE;
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ia->ia6_flags |= IN6_IFF_DUPLICATED;
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/* We are done with DAD, with duplicated address found. (failure) */
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/* We are done with DAD, with duplicate address found. (failure) */
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nd6_dad_stoptimer(dp);
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log(LOG_ERR, "%s: DAD complete for %s - duplicate found\n",
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@ -1600,10 +1600,6 @@ in6_ifadd(pr, ifid)
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* (4) it is easier to manage when an interface has addresses
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* with the same interface identifier, than to have multiple addresses
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* with different interface identifiers.
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*
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* Mobile IPv6 addition: allow for caller to specify a wished interface
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* ID. This is to not break connections when moving addresses between
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* interfaces.
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*/
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ifa = (struct ifaddr *)in6ifa_ifpforlinklocal(ifp, 0); /* 0 is OK? */
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if (ifa)
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