Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files. =================================================================== RCS file: /ftp/cvs/cvsroot/src/sys/netinet6/ip6_input.c,v rcsdiff: /ftp/cvs/cvsroot/src/sys/netinet6/ip6_input.c,v: warning: Unknown phrases like `commitid ...;' are present. retrieving revision 1.109.4.1 retrieving revision 1.178.2.3 diff -u -p -r1.109.4.1 -r1.178.2.3 --- src/sys/netinet6/ip6_input.c 2007/10/02 18:29:23 1.109.4.1 +++ src/sys/netinet6/ip6_input.c 2018/01/02 10:20:34 1.178.2.3 @@ -1,4 +1,4 @@ -/* $NetBSD: ip6_input.c,v 1.109.4.1 2007/10/02 18:29:23 joerg Exp $ */ +/* $NetBSD: ip6_input.c,v 1.178.2.3 2018/01/02 10:20:34 snj Exp $ */ /* $KAME: ip6_input.c,v 1.188 2001/03/29 05:34:31 itojun Exp $ */ /* @@ -62,16 +62,19 @@ */ #include -__KERNEL_RCSID(0, "$NetBSD: ip6_input.c,v 1.109.4.1 2007/10/02 18:29:23 joerg Exp $"); +__KERNEL_RCSID(0, "$NetBSD: ip6_input.c,v 1.178.2.3 2018/01/02 10:20:34 snj Exp $"); +#ifdef _KERNEL_OPT +#include "opt_gateway.h" #include "opt_inet.h" #include "opt_inet6.h" #include "opt_ipsec.h" -#include "opt_pfil_hooks.h" +#include "opt_compat_netbsd.h" +#include "opt_net_mpsafe.h" +#endif #include #include -#include #include #include #include @@ -83,25 +86,28 @@ __KERNEL_RCSID(0, "$NetBSD: ip6_input.c, #include #include #include +#include +#include #include #include #include #include -#include -#ifdef PFIL_HOOKS +#include #include -#endif #include #include #ifdef INET #include +#include #include #endif /* INET */ #include +#include #include #include +#include #include #include #include @@ -109,61 +115,67 @@ __KERNEL_RCSID(0, "$NetBSD: ip6_input.c, #include #ifdef IPSEC -#include -#endif - -#ifdef FAST_IPSEC #include #include #include -#endif /* FAST_IPSEC */ +#endif /* IPSEC */ + +#ifdef COMPAT_50 +#include +#include +#endif #include #include "faith.h" -#include "gif.h" - -#if NGIF > 0 -#include -#endif #include extern struct domain inet6domain; u_char ip6_protox[IPPROTO_MAX]; -static int ip6qmaxlen = IFQ_MAXLEN; -struct in6_ifaddr *in6_ifaddr; -struct ifqueue ip6intrq; - -extern callout_t in6_tmpaddrtimer_ch; +pktqueue_t *ip6_pktq __read_mostly; int ip6_forward_srcrt; /* XXX */ int ip6_sourcecheck; /* XXX */ int ip6_sourcecheck_interval; /* XXX */ -#ifdef PFIL_HOOKS -struct pfil_head inet6_pfil_hook; -#endif +pfil_head_t *inet6_pfil_hook; + +percpu_t *ip6stat_percpu; -struct ip6stat ip6stat; +percpu_t *ip6_forward_rt_percpu __cacheline_aligned; -static void ip6_init2 __P((void *)); -static struct m_tag *ip6_setdstifaddr __P((struct mbuf *, struct in6_ifaddr *)); +static void ip6_init2(void); +static void ip6intr(void *); +static struct m_tag *ip6_setdstifaddr(struct mbuf *, const struct in6_ifaddr *); -static int ip6_hopopts_input __P((u_int32_t *, u_int32_t *, struct mbuf **, int *)); -static struct mbuf *ip6_pullexthdr __P((struct mbuf *, size_t, int)); +static int ip6_process_hopopts(struct mbuf *, u_int8_t *, int, u_int32_t *, + u_int32_t *); +static struct mbuf *ip6_pullexthdr(struct mbuf *, size_t, int); +static void sysctl_net_inet6_ip6_setup(struct sysctllog **); + +#ifdef NET_MPSAFE +#define SOFTNET_LOCK() mutex_enter(softnet_lock) +#define SOFTNET_UNLOCK() mutex_exit(softnet_lock) +#else +#define SOFTNET_LOCK() KASSERT(mutex_owned(softnet_lock)) +#define SOFTNET_UNLOCK() KASSERT(mutex_owned(softnet_lock)) +#endif /* * IP6 initialization: fill in IP6 protocol switch table. * All protocols not implemented in kernel go to raw IP6 protocol handler. */ void -ip6_init() +ip6_init(void) { const struct ip6protosw *pr; int i; + in6_init(); + + sysctl_net_inet6_ip6_setup(NULL); pr = (const struct ip6protosw *)pffindproto(PF_INET6, IPPROTO_RAW, SOCK_RAW); if (pr == 0) panic("ip6_init"); @@ -174,39 +186,34 @@ ip6_init() if (pr->pr_domain->dom_family == PF_INET6 && pr->pr_protocol && pr->pr_protocol != IPPROTO_RAW) ip6_protox[pr->pr_protocol] = pr - inet6sw; - ip6intrq.ifq_maxlen = ip6qmaxlen; + + ip6_pktq = pktq_create(IFQ_MAXLEN, ip6intr, NULL); + KASSERT(ip6_pktq != NULL); + scope6_init(); addrsel_policy_init(); nd6_init(); frag6_init(); - ip6_desync_factor = arc4random() % MAX_TEMP_DESYNC_FACTOR; + ip6_desync_factor = cprng_fast32() % MAX_TEMP_DESYNC_FACTOR; - ip6_init2((void *)0); + ip6_init2(); #ifdef GATEWAY ip6flow_init(ip6_hashsize); #endif - -#ifdef PFIL_HOOKS /* Register our Packet Filter hook. */ - inet6_pfil_hook.ph_type = PFIL_TYPE_AF; - inet6_pfil_hook.ph_af = AF_INET6; - i = pfil_head_register(&inet6_pfil_hook); - if (i != 0) - printf("ip6_init: WARNING: unable to register pfil hook, " - "error %d\n", i); -#endif /* PFIL_HOOKS */ + inet6_pfil_hook = pfil_head_create(PFIL_TYPE_AF, (void *)AF_INET6); + KASSERT(inet6_pfil_hook != NULL); + + ip6stat_percpu = percpu_alloc(sizeof(uint64_t) * IP6_NSTATS); + ip6_forward_rt_percpu = percpu_alloc(sizeof(struct route)); } static void -ip6_init2(void *dummy) +ip6_init2(void) { - /* nd6_timer_init */ - callout_init(&nd6_timer_ch, 0); - callout_reset(&nd6_timer_ch, hz, nd6_timer, NULL); - /* timer for regeneranation of temporary addresses randomize ID */ - callout_init(&in6_tmpaddrtimer_ch, 0); + callout_init(&in6_tmpaddrtimer_ch, CALLOUT_MPSAFE); callout_reset(&in6_tmpaddrtimer_ch, (ip6_temp_preferred_lifetime - ip6_desync_factor - ip6_temp_regen_advance) * hz, @@ -216,31 +223,36 @@ ip6_init2(void *dummy) /* * IP6 input interrupt handling. Just pass the packet to ip6_input. */ -void -ip6intr() +static void +ip6intr(void *arg __unused) { - int s; struct mbuf *m; - for (;;) { - s = splnet(); - IF_DEQUEUE(&ip6intrq, m); - splx(s); - if (m == 0) - return; - /* drop the packet if IPv6 operation is disabled on the IF */ - if ((ND_IFINFO(m->m_pkthdr.rcvif)->flags & ND6_IFF_IFDISABLED)) { + SOFTNET_LOCK_UNLESS_NET_MPSAFE(); + while ((m = pktq_dequeue(ip6_pktq)) != NULL) { + struct psref psref; + struct ifnet *rcvif = m_get_rcvif_psref(m, &psref); + + if (rcvif == NULL) { m_freem(m); - return; + continue; } - ip6_input(m); + /* + * Drop the packet if IPv6 is disabled on the interface. + */ + if ((ND_IFINFO(rcvif)->flags & ND6_IFF_IFDISABLED)) { + m_put_rcvif_psref(rcvif, &psref); + m_freem(m); + continue; + } + ip6_input(m, rcvif); + m_put_rcvif_psref(rcvif, &psref); } + SOFTNET_UNLOCK_UNLESS_NET_MPSAFE(); } -extern struct route ip6_forward_rt; - void -ip6_input(struct mbuf *m) +ip6_input(struct mbuf *m, struct ifnet *rcvif) { struct ip6_hdr *ip6; int hit, off = sizeof(struct ip6_hdr), nest; @@ -249,26 +261,12 @@ ip6_input(struct mbuf *m) int nxt, ours = 0, rh_present = 0; struct ifnet *deliverifp = NULL; int srcrt = 0; - const struct rtentry *rt; + struct rtentry *rt = NULL; union { struct sockaddr dst; struct sockaddr_in6 dst6; } u; -#ifdef FAST_IPSEC - struct m_tag *mtag; - struct tdb_ident *tdbi; - struct secpolicy *sp; - int s, error; -#endif - -#ifdef IPSEC - /* - * should the inner packet be considered authentic? - * see comment in ah4_input(). - */ - m->m_flags &= ~M_AUTHIPHDR; - m->m_flags &= ~M_AUTHIPDGM; -#endif + struct route *ro; /* * make sure we don't have onion peering information into m_tag. @@ -280,25 +278,25 @@ ip6_input(struct mbuf *m) */ if (m->m_flags & M_EXT) { if (m->m_next) - ip6stat.ip6s_mext2m++; + IP6_STATINC(IP6_STAT_MEXT2M); else - ip6stat.ip6s_mext1++; + IP6_STATINC(IP6_STAT_MEXT1); } else { -#define M2MMAX __arraycount(ip6stat.ip6s_m2m) +#define M2MMAX 32 if (m->m_next) { - if (m->m_flags & M_LOOP) { - ip6stat.ip6s_m2m[lo0ifp->if_index]++; /* XXX */ - } else if (m->m_pkthdr.rcvif->if_index < M2MMAX) - ip6stat.ip6s_m2m[m->m_pkthdr.rcvif->if_index]++; + if (m->m_flags & M_LOOP) + /*XXX*/ IP6_STATINC(IP6_STAT_M2M + lo0ifp->if_index); + else if (rcvif->if_index < M2MMAX) + IP6_STATINC(IP6_STAT_M2M + rcvif->if_index); else - ip6stat.ip6s_m2m[0]++; + IP6_STATINC(IP6_STAT_M2M); } else - ip6stat.ip6s_m1++; + IP6_STATINC(IP6_STAT_M1); #undef M2MMAX } - in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_receive); - ip6stat.ip6s_total++; + in6_ifstat_inc(rcvif, ifs6_in_receive); + IP6_STATINC(IP6_STAT_TOTAL); /* * If the IPv6 header is not aligned, slurp it up into a new @@ -307,19 +305,17 @@ ip6_input(struct mbuf *m) * IPv6 header is in the first mbuf of the chain. */ if (IP6_HDR_ALIGNED_P(mtod(m, void *)) == 0) { - struct ifnet *inifp = m->m_pkthdr.rcvif; if ((m = m_copyup(m, sizeof(struct ip6_hdr), (max_linkhdr + 3) & ~3)) == NULL) { /* XXXJRT new stat, please */ - ip6stat.ip6s_toosmall++; - in6_ifstat_inc(inifp, ifs6_in_hdrerr); + IP6_STATINC(IP6_STAT_TOOSMALL); + in6_ifstat_inc(rcvif, ifs6_in_hdrerr); return; } } else if (__predict_false(m->m_len < sizeof(struct ip6_hdr))) { - struct ifnet *inifp = m->m_pkthdr.rcvif; if ((m = m_pullup(m, sizeof(struct ip6_hdr))) == NULL) { - ip6stat.ip6s_toosmall++; - in6_ifstat_inc(inifp, ifs6_in_hdrerr); + IP6_STATINC(IP6_STAT_TOOSMALL); + in6_ifstat_inc(rcvif, ifs6_in_hdrerr); return; } } @@ -327,23 +323,17 @@ ip6_input(struct mbuf *m) ip6 = mtod(m, struct ip6_hdr *); if ((ip6->ip6_vfc & IPV6_VERSION_MASK) != IPV6_VERSION) { - ip6stat.ip6s_badvers++; - in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_hdrerr); + IP6_STATINC(IP6_STAT_BADVERS); + in6_ifstat_inc(rcvif, ifs6_in_hdrerr); goto bad; } -#if defined(IPSEC) - /* IPv6 fast forwarding is not compatible with IPsec. */ - m->m_flags &= ~M_CANFASTFWD; -#else /* * Assume that we can create a fast-forward IP flow entry * based on this packet. */ m->m_flags |= M_CANFASTFWD; -#endif -#ifdef PFIL_HOOKS /* * Run through list of hooks for input packets. If there are any * filters which require that additional packets in the flow are @@ -355,10 +345,8 @@ ip6_input(struct mbuf *m) * let ipfilter look at packet on the wire, * not the decapsulated packet. */ -#ifdef IPSEC - if (!ipsec_getnhist(m)) -#elif defined(FAST_IPSEC) - if (!ipsec_indone(m)) +#if defined(IPSEC) + if (!ipsec_used || !ipsec_indone(m)) #else if (1) #endif @@ -366,22 +354,25 @@ ip6_input(struct mbuf *m) struct in6_addr odst; odst = ip6->ip6_dst; - if (pfil_run_hooks(&inet6_pfil_hook, &m, m->m_pkthdr.rcvif, - PFIL_IN) != 0) + if (pfil_run_hooks(inet6_pfil_hook, &m, rcvif, PFIL_IN) != 0) return; if (m == NULL) return; ip6 = mtod(m, struct ip6_hdr *); srcrt = !IN6_ARE_ADDR_EQUAL(&odst, &ip6->ip6_dst); } -#endif /* PFIL_HOOKS */ - ip6stat.ip6s_nxthist[ip6->ip6_nxt]++; + IP6_STATINC(IP6_STAT_NXTHIST + ip6->ip6_nxt); #ifdef ALTQ - if (altq_input != NULL && (*altq_input)(m, AF_INET6) == 0) { - /* packet is dropped by traffic conditioner */ - return; + if (altq_input != NULL) { + SOFTNET_LOCK(); + if ((*altq_input)(m, AF_INET6) == 0) { + SOFTNET_UNLOCK(); + /* packet is dropped by traffic conditioner */ + return; + } + SOFTNET_UNLOCK(); } #endif @@ -393,8 +384,8 @@ ip6_input(struct mbuf *m) /* * XXX: "badscope" is not very suitable for a multicast source. */ - ip6stat.ip6s_badscope++; - in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_addrerr); + IP6_STATINC(IP6_STAT_BADSCOPE); + in6_ifstat_inc(rcvif, ifs6_in_addrerr); goto bad; } /* @@ -411,8 +402,8 @@ ip6_input(struct mbuf *m) */ if (IN6_IS_ADDR_V4MAPPED(&ip6->ip6_src) || IN6_IS_ADDR_V4MAPPED(&ip6->ip6_dst)) { - ip6stat.ip6s_badscope++; - in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_addrerr); + IP6_STATINC(IP6_STAT_BADSCOPE); + in6_ifstat_inc(rcvif, ifs6_in_addrerr); goto bad; } #if 0 @@ -425,8 +416,8 @@ ip6_input(struct mbuf *m) */ if (IN6_IS_ADDR_V4COMPAT(&ip6->ip6_src) || IN6_IS_ADDR_V4COMPAT(&ip6->ip6_dst)) { - ip6stat.ip6s_badscope++; - in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_addrerr); + IP6_STATINC(IP6_STAT_BADSCOPE); + in6_ifstat_inc(rcvif, ifs6_in_addrerr); goto bad; } #endif @@ -446,36 +437,39 @@ ip6_input(struct mbuf *m) goto bad; ip6 = mtod(m, struct ip6_hdr *); if (in6_clearscope(&ip6->ip6_src) || in6_clearscope(&ip6->ip6_dst)) { - ip6stat.ip6s_badscope++; /* XXX */ + IP6_STATINC(IP6_STAT_BADSCOPE); /* XXX */ goto bad; } - if (in6_setscope(&ip6->ip6_src, m->m_pkthdr.rcvif, NULL) || - in6_setscope(&ip6->ip6_dst, m->m_pkthdr.rcvif, NULL)) { - ip6stat.ip6s_badscope++; + if (in6_setscope(&ip6->ip6_src, rcvif, NULL) || + in6_setscope(&ip6->ip6_dst, rcvif, NULL)) { + IP6_STATINC(IP6_STAT_BADSCOPE); goto bad; } + ro = percpu_getref(ip6_forward_rt_percpu); /* * Multicast check */ if (IN6_IS_ADDR_MULTICAST(&ip6->ip6_dst)) { - struct in6_multi *in6m = 0; + bool ingroup; - in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_mcast); + in6_ifstat_inc(rcvif, ifs6_in_mcast); /* * See if we belong to the destination multicast group on the * arrival interface. */ - IN6_LOOKUP_MULTI(ip6->ip6_dst, m->m_pkthdr.rcvif, in6m); - if (in6m) + ingroup = in6_multi_group(&ip6->ip6_dst, rcvif); + if (ingroup) ours = 1; else if (!ip6_mrouter) { - ip6stat.ip6s_notmember++; - ip6stat.ip6s_cantforward++; - in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_discard); - goto bad; + uint64_t *ip6s = IP6_STAT_GETREF(); + ip6s[IP6_STAT_NOTMEMBER]++; + ip6s[IP6_STAT_CANTFORWARD]++; + IP6_STAT_PUTREF(); + in6_ifstat_inc(rcvif, ifs6_in_discard); + goto bad_unref; } - deliverifp = m->m_pkthdr.rcvif; + deliverifp = rcvif; goto hbhcheck; } @@ -484,11 +478,11 @@ ip6_input(struct mbuf *m) /* * Unicast check */ - rt = rtcache_lookup2(&ip6_forward_rt, &u.dst, 1, &hit); + rt = rtcache_lookup2(ro, &u.dst, 1, &hit); if (hit) - ip6stat.ip6s_forward_cachehit++; + IP6_STATINC(IP6_STAT_FORWARD_CACHEHIT); else - ip6stat.ip6s_forward_cachemiss++; + IP6_STATINC(IP6_STAT_FORWARD_CACHEMISS); #define rt6_getkey(__rt) satocsin6(rt_getkey(__rt)) @@ -503,7 +497,6 @@ ip6_input(struct mbuf *m) */ if (rt != NULL && (rt->rt_flags & (RTF_HOST|RTF_GATEWAY)) == RTF_HOST && - !(rt->rt_flags & RTF_CLONED) && #if 0 /* * The check below is redundant since the comparison of @@ -514,25 +507,46 @@ ip6_input(struct mbuf *m) #endif rt->rt_ifp->if_type == IFT_LOOP) { struct in6_ifaddr *ia6 = (struct in6_ifaddr *)rt->rt_ifa; + int addrok; + if (ia6->ia6_flags & IN6_IFF_ANYCAST) m->m_flags |= M_ANYCAST6; /* * packets to a tentative, duplicated, or somehow invalid * address must not be accepted. */ - if (!(ia6->ia6_flags & IN6_IFF_NOTREADY)) { + if (ia6->ia6_flags & IN6_IFF_NOTREADY) + addrok = 0; + else if (ia6->ia6_flags & IN6_IFF_DETACHED && + !IN6_IS_ADDR_UNSPECIFIED(&ip6->ip6_src)) + { + /* Allow internal traffic to DETACHED addresses */ + struct sockaddr_in6 sin6; + int s; + + memset(&sin6, 0, sizeof(sin6)); + sin6.sin6_family = AF_INET6; + sin6.sin6_len = sizeof(sin6); + sin6.sin6_addr = ip6->ip6_src; + s = pserialize_read_enter(); + addrok = (ifa_ifwithaddr(sin6tosa(&sin6)) != NULL); + pserialize_read_exit(s); + } else + addrok = 1; + if (addrok) { /* this address is ready */ ours = 1; deliverifp = ia6->ia_ifp; /* correct? */ goto hbhcheck; } else { /* address is not ready, so discard the packet. */ - nd6log((LOG_INFO, - "ip6_input: packet to an unready address %s->%s\n", - ip6_sprintf(&ip6->ip6_src), - ip6_sprintf(&ip6->ip6_dst))); + char ip6bufs[INET6_ADDRSTRLEN]; + char ip6bufd[INET6_ADDRSTRLEN]; + nd6log(LOG_INFO, "packet to an unready address %s->%s\n", + IN6_PRINT(ip6bufs, &ip6->ip6_src), + IN6_PRINT(ip6bufd, &ip6->ip6_dst)); - goto bad; + goto bad_unref; } } @@ -559,9 +573,7 @@ ip6_input(struct mbuf *m) * working right. */ struct ifaddr *ifa; - TAILQ_FOREACH(ifa, &m->m_pkthdr.rcvif->if_addrlist, ifa_list) { - if (ifa->ifa_addr == NULL) - continue; /* just for safety */ + IFADDR_READER_FOREACH(ifa, rcvif) { if (ifa->ifa_addr->sa_family != AF_INET6) continue; if (IN6_ARE_ADDR_EQUAL(IFA_IN6(ifa), &ip6->ip6_dst)) { @@ -578,9 +590,9 @@ ip6_input(struct mbuf *m) * and we're not a router. */ if (!ip6_forwarding) { - ip6stat.ip6s_cantforward++; - in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_discard); - goto bad; + IP6_STATINC(IP6_STAT_CANTFORWARD); + in6_ifstat_inc(rcvif, ifs6_in_discard); + goto bad_unref; } hbhcheck: @@ -590,19 +602,20 @@ ip6_input(struct mbuf *m) * as our interface address (e.g. multicast addresses, addresses * within FAITH prefixes and such). */ - if (deliverifp && !ip6_getdstifaddr(m)) { + if (deliverifp && ip6_getdstifaddr(m) == NULL) { struct in6_ifaddr *ia6; + int s = pserialize_read_enter(); ia6 = in6_ifawithifp(deliverifp, &ip6->ip6_dst); - if (ia6) { - if (!ip6_setdstifaddr(m, ia6)) { - /* - * XXX maybe we should drop the packet here, - * as we could not provide enough information - * to the upper layers. - */ - } + /* Depends on ip6_setdstifaddr never sleep */ + if (ia6 != NULL && ip6_setdstifaddr(m, ia6) == NULL) { + /* + * XXX maybe we should drop the packet here, + * as we could not provide enough information + * to the upper layers. + */ } + pserialize_read_exit(s); } /* @@ -616,8 +629,10 @@ ip6_input(struct mbuf *m) if (ip6_hopopts_input(&plen, &rtalert, &m, &off)) { #if 0 /*touches NULL pointer*/ - in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_discard); + in6_ifstat_inc(rcvif, ifs6_in_discard); #endif + rtcache_unref(rt, ro); + percpu_putref(ip6_forward_rt_percpu); return; /* m have already been freed */ } @@ -635,18 +650,22 @@ ip6_input(struct mbuf *m) * contained, ip6_hopopts_input() must set a valid * (non-zero) payload length to the variable plen. */ - ip6stat.ip6s_badoptions++; - in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_discard); - in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_hdrerr); + IP6_STATINC(IP6_STAT_BADOPTIONS); + in6_ifstat_inc(rcvif, ifs6_in_discard); + in6_ifstat_inc(rcvif, ifs6_in_hdrerr); icmp6_error(m, ICMP6_PARAM_PROB, ICMP6_PARAMPROB_HEADER, (char *)&ip6->ip6_plen - (char *)ip6); + rtcache_unref(rt, ro); + percpu_putref(ip6_forward_rt_percpu); return; } IP6_EXTHDR_GET(hbh, struct ip6_hbh *, m, sizeof(struct ip6_hdr), sizeof(struct ip6_hbh)); if (hbh == NULL) { - ip6stat.ip6s_tooshort++; + IP6_STATINC(IP6_STAT_TOOSHORT); + rtcache_unref(rt, ro); + percpu_putref(ip6_forward_rt_percpu); return; } KASSERT(IP6_HDR_ALIGNED_P(hbh)); @@ -668,9 +687,9 @@ ip6_input(struct mbuf *m) * Drop packet if shorter than we expect. */ if (m->m_pkthdr.len - sizeof(struct ip6_hdr) < plen) { - ip6stat.ip6s_tooshort++; - in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_truncated); - goto bad; + IP6_STATINC(IP6_STAT_TOOSHORT); + in6_ifstat_inc(rcvif, ifs6_in_truncated); + goto bad_unref; } if (m->m_pkthdr.len > sizeof(struct ip6_hdr) + plen) { if (m->m_len == m->m_pkthdr.len) { @@ -692,16 +711,25 @@ ip6_input(struct mbuf *m) * ip6_mforward() returns a non-zero value, the packet * must be discarded, else it may be accepted below. */ - if (ip6_mrouter && ip6_mforward(ip6, m->m_pkthdr.rcvif, m)) { - ip6stat.ip6s_cantforward++; - m_freem(m); - return; - } - if (!ours) { - m_freem(m); - return; + if (ip6_mrouter != NULL) { + int error; + + SOFTNET_LOCK(); + error = ip6_mforward(ip6, rcvif, m); + SOFTNET_UNLOCK(); + + if (error != 0) { + rtcache_unref(rt, ro); + percpu_putref(ip6_forward_rt_percpu); + IP6_STATINC(IP6_STAT_CANTFORWARD); + goto bad; + } } + if (!ours) + goto bad_unref; } else if (!ours) { + rtcache_unref(rt, ro); + percpu_putref(ip6_forward_rt_percpu); ip6_forward(m, srcrt); return; } @@ -719,9 +747,9 @@ ip6_input(struct mbuf *m) */ if (IN6_IS_ADDR_V4MAPPED(&ip6->ip6_src) || IN6_IS_ADDR_V4MAPPED(&ip6->ip6_dst)) { - ip6stat.ip6s_badscope++; - in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_addrerr); - goto bad; + IP6_STATINC(IP6_STAT_BADSCOPE); + in6_ifstat_inc(rcvif, ifs6_in_addrerr); + goto bad_unref; } /* @@ -730,20 +758,28 @@ ip6_input(struct mbuf *m) #ifdef IFA_STATS if (deliverifp != NULL) { struct in6_ifaddr *ia6; + int s = pserialize_read_enter(); ia6 = in6_ifawithifp(deliverifp, &ip6->ip6_dst); if (ia6) ia6->ia_ifa.ifa_data.ifad_inbytes += m->m_pkthdr.len; + pserialize_read_exit(s); } #endif - ip6stat.ip6s_delivered++; + IP6_STATINC(IP6_STAT_DELIVERED); in6_ifstat_inc(deliverifp, ifs6_in_deliver); nest = 0; + if (rt != NULL) { + rtcache_unref(rt, ro); + rt = NULL; + } + percpu_putref(ip6_forward_rt_percpu); + rh_present = 0; while (nxt != IPPROTO_DONE) { if (ip6_hdrnestlimit && (++nest > ip6_hdrnestlimit)) { - ip6stat.ip6s_toomanyhdr++; - in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_hdrerr); + IP6_STATINC(IP6_STAT_TOOMANYHDR); + in6_ifstat_inc(rcvif, ifs6_in_hdrerr); goto bad; } @@ -752,101 +788,81 @@ ip6_input(struct mbuf *m) * more sanity checks in header chain processing. */ if (m->m_pkthdr.len < off) { - ip6stat.ip6s_tooshort++; - in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_truncated); + IP6_STATINC(IP6_STAT_TOOSHORT); + in6_ifstat_inc(rcvif, ifs6_in_truncated); goto bad; } if (nxt == IPPROTO_ROUTING) { if (rh_present++) { - in6_ifstat_inc(m->m_pkthdr.rcvif, - ifs6_in_hdrerr); - ip6stat.ip6s_badoptions++; + in6_ifstat_inc(rcvif, ifs6_in_hdrerr); + IP6_STATINC(IP6_STAT_BADOPTIONS); goto bad; } } #ifdef IPSEC - /* - * enforce IPsec policy checking if we are seeing last header. - * note that we do not visit this with protocols with pcb layer - * code - like udp/tcp/raw ip. - */ - if ((inet6sw[ip6_protox[nxt]].pr_flags & PR_LASTHDR) != 0 && - ipsec6_in_reject(m, NULL)) { - ipsec6stat.in_polvio++; - goto bad; - } -#endif -#ifdef FAST_IPSEC - /* - * enforce IPsec policy checking if we are seeing last header. - * note that we do not visit this with protocols with pcb layer - * code - like udp/tcp/raw ip. - */ - if ((inet6sw[ip_protox[nxt]].pr_flags & PR_LASTHDR) != 0) { - /* - * Check if the packet has already had IPsec processing - * done. If so, then just pass it along. This tag gets - * set during AH, ESP, etc. input handling, before the - * packet is returned to the ip input queue for delivery. - */ - mtag = m_tag_find(m, PACKET_TAG_IPSEC_IN_DONE, NULL); - s = splsoftnet(); - if (mtag != NULL) { - tdbi = (struct tdb_ident *)(mtag + 1); - sp = ipsec_getpolicy(tdbi, IPSEC_DIR_INBOUND); - } else { - sp = ipsec_getpolicybyaddr(m, IPSEC_DIR_INBOUND, - IP_FORWARDING, &error); - } - if (sp != NULL) { + if (ipsec_used) { /* - * Check security policy against packet attributes. + * enforce IPsec policy checking if we are seeing last + * header. note that we do not visit this with + * protocols with pcb layer code - like udp/tcp/raw ip. */ - error = ipsec_in_reject(sp, m); - KEY_FREESP(&sp); - } else { - /* XXX error stat??? */ - error = EINVAL; - DPRINTF(("ip6_input: no SP, packet discarded\n"));/*XXX*/ + if ((inet6sw[ip_protox[nxt]].pr_flags + & PR_LASTHDR) != 0) { + int error; + + error = ipsec6_input(m); + if (error) + goto bad; + } } - splx(s); - if (error) - goto bad; - } -#endif /* FAST_IPSEC */ - +#endif /* IPSEC */ nxt = (*inet6sw[ip6_protox[nxt]].pr_input)(&m, &off, nxt); } return; + + bad_unref: + rtcache_unref(rt, ro); + percpu_putref(ip6_forward_rt_percpu); bad: m_freem(m); + return; } /* * set/grab in6_ifaddr correspond to IPv6 destination address. */ static struct m_tag * -ip6_setdstifaddr(struct mbuf *m, struct in6_ifaddr *ia6) +ip6_setdstifaddr(struct mbuf *m, const struct in6_ifaddr *ia) { struct m_tag *mtag; + struct ip6aux *ip6a; mtag = ip6_addaux(m); - if (mtag) - ((struct ip6aux *)(mtag + 1))->ip6a_dstia6 = ia6; - return mtag; /* NULL if failed to set */ + if (mtag == NULL) + return NULL; + + ip6a = (struct ip6aux *)(mtag + 1); + if (in6_setscope(&ip6a->ip6a_src, ia->ia_ifp, &ip6a->ip6a_scope_id)) { + IP6_STATINC(IP6_STAT_BADSCOPE); + return NULL; + } + + ip6a->ip6a_src = ia->ia_addr.sin6_addr; + ip6a->ip6a_flags = ia->ia6_flags; + return mtag; } -struct in6_ifaddr * +const struct ip6aux * ip6_getdstifaddr(struct mbuf *m) { struct m_tag *mtag; mtag = ip6_findaux(m); - if (mtag) - return ((struct ip6aux *)(mtag + 1))->ip6a_dstia6; + if (mtag != NULL) + return (struct ip6aux *)(mtag + 1); else return NULL; } @@ -857,7 +873,7 @@ ip6_getdstifaddr(struct mbuf *m) * * rtalertp - XXX: should be stored more smart way */ -static int +int ip6_hopopts_input(u_int32_t *plenp, u_int32_t *rtalertp, struct mbuf **mp, int *offp) { @@ -869,14 +885,14 @@ ip6_hopopts_input(u_int32_t *plenp, u_in IP6_EXTHDR_GET(hbh, struct ip6_hbh *, m, sizeof(struct ip6_hdr), sizeof(struct ip6_hbh)); if (hbh == NULL) { - ip6stat.ip6s_tooshort++; + IP6_STATINC(IP6_STAT_TOOSHORT); return -1; } hbhlen = (hbh->ip6h_len + 1) << 3; IP6_EXTHDR_GET(hbh, struct ip6_hbh *, m, sizeof(struct ip6_hdr), hbhlen); if (hbh == NULL) { - ip6stat.ip6s_tooshort++; + IP6_STATINC(IP6_STAT_TOOSHORT); return -1; } KASSERT(IP6_HDR_ALIGNED_P(hbh)); @@ -902,7 +918,7 @@ ip6_hopopts_input(u_int32_t *plenp, u_in * (RFC2460 p7), opthead is pointer into data content in m, and opthead to * opthead + hbhlen is located in continuous memory region. */ -int +static int ip6_process_hopopts(struct mbuf *m, u_int8_t *opthead, int hbhlen, u_int32_t *rtalertp, u_int32_t *plenp) { @@ -920,7 +936,7 @@ ip6_process_hopopts(struct mbuf *m, u_in break; case IP6OPT_PADN: if (hbhlen < IP6OPT_MINLEN) { - ip6stat.ip6s_toosmall++; + IP6_STATINC(IP6_STAT_TOOSMALL); goto bad; } optlen = *(opt + 1) + 2; @@ -928,7 +944,7 @@ ip6_process_hopopts(struct mbuf *m, u_in case IP6OPT_RTALERT: /* XXX may need check for alignment */ if (hbhlen < IP6OPT_RTALERT_LEN) { - ip6stat.ip6s_toosmall++; + IP6_STATINC(IP6_STAT_TOOSMALL); goto bad; } if (*(opt + 1) != IP6OPT_RTALERT_LEN - 2) { @@ -939,13 +955,13 @@ ip6_process_hopopts(struct mbuf *m, u_in return (-1); } optlen = IP6OPT_RTALERT_LEN; - bcopy((void *)(opt + 2), (void *)&rtalert_val, 2); + memcpy((void *)&rtalert_val, (void *)(opt + 2), 2); *rtalertp = ntohs(rtalert_val); break; case IP6OPT_JUMBO: /* XXX may need check for alignment */ if (hbhlen < IP6OPT_JUMBO_LEN) { - ip6stat.ip6s_toosmall++; + IP6_STATINC(IP6_STAT_TOOSMALL); goto bad; } if (*(opt + 1) != IP6OPT_JUMBO_LEN - 2) { @@ -963,7 +979,7 @@ ip6_process_hopopts(struct mbuf *m, u_in */ ip6 = mtod(m, struct ip6_hdr *); if (ip6->ip6_plen) { - ip6stat.ip6s_badoptions++; + IP6_STATINC(IP6_STAT_BADOPTIONS); icmp6_error(m, ICMP6_PARAM_PROB, ICMP6_PARAMPROB_HEADER, erroff + opt - opthead); @@ -974,7 +990,7 @@ ip6_process_hopopts(struct mbuf *m, u_in * We may see jumbolen in unaligned location, so * we'd need to perform bcopy(). */ - bcopy(opt + 2, &jumboplen, sizeof(jumboplen)); + memcpy(&jumboplen, opt + 2, sizeof(jumboplen)); jumboplen = (u_int32_t)htonl(jumboplen); #if 1 @@ -987,7 +1003,7 @@ ip6_process_hopopts(struct mbuf *m, u_in * there's no explicit mention in specification. */ if (*plenp != 0) { - ip6stat.ip6s_badoptions++; + IP6_STATINC(IP6_STAT_BADOPTIONS); icmp6_error(m, ICMP6_PARAM_PROB, ICMP6_PARAMPROB_HEADER, erroff + opt + 2 - opthead); @@ -999,7 +1015,7 @@ ip6_process_hopopts(struct mbuf *m, u_in * jumbo payload length must be larger than 65535. */ if (jumboplen <= IPV6_MAXPACKET) { - ip6stat.ip6s_badoptions++; + IP6_STATINC(IP6_STAT_BADOPTIONS); icmp6_error(m, ICMP6_PARAM_PROB, ICMP6_PARAMPROB_HEADER, erroff + opt + 2 - opthead); @@ -1010,7 +1026,7 @@ ip6_process_hopopts(struct mbuf *m, u_in break; default: /* unknown option */ if (hbhlen < IP6OPT_MINLEN) { - ip6stat.ip6s_toosmall++; + IP6_STATINC(IP6_STAT_TOOSMALL); goto bad; } optlen = ip6_unknown_opt(opt, m, @@ -1047,11 +1063,11 @@ ip6_unknown_opt(u_int8_t *optp, struct m m_freem(m); return (-1); case IP6OPT_TYPE_FORCEICMP: /* send ICMP even if multicasted */ - ip6stat.ip6s_badoptions++; + IP6_STATINC(IP6_STAT_BADOPTIONS); icmp6_error(m, ICMP6_PARAM_PROB, ICMP6_PARAMPROB_OPTION, off); return (-1); case IP6OPT_TYPE_ICMP: /* send ICMP if not multicasted */ - ip6stat.ip6s_badoptions++; + IP6_STATINC(IP6_STAT_BADOPTIONS); ip6 = mtod(m, struct ip6_hdr *); if (IN6_IS_ADDR_MULTICAST(&ip6->ip6_dst) || (m->m_flags & (M_BCAST|M_MCAST))) @@ -1087,17 +1103,27 @@ ip6_savecontrol(struct in6pcb *in6p, str #define IS2292(x, y) (y) #endif -#ifdef SO_TIMESTAMP - if (in6p->in6p_socket->so_options & SO_TIMESTAMP) { + if (in6p->in6p_socket->so_options & SO_TIMESTAMP +#ifdef SO_OTIMESTAMP + || in6p->in6p_socket->so_options & SO_OTIMESTAMP +#endif + ) { struct timeval tv; microtime(&tv); +#ifdef SO_OTIMESTAMP + if (in6p->in6p_socket->so_options & SO_OTIMESTAMP) { + struct timeval50 tv50; + timeval_to_timeval50(&tv, &tv50); + *mp = sbcreatecontrol((void *) &tv50, sizeof(tv50), + SCM_OTIMESTAMP, SOL_SOCKET); + } else +#endif *mp = sbcreatecontrol((void *) &tv, sizeof(tv), SCM_TIMESTAMP, SOL_SOCKET); if (*mp) mp = &(*mp)->m_next; } -#endif /* some OSes call this logic with IPv4 packet, for SO_TIMESTAMP */ if ((ip6->ip6_vfc & IPV6_VERSION_MASK) != IPV6_VERSION) @@ -1107,10 +1133,9 @@ ip6_savecontrol(struct in6pcb *in6p, str if ((in6p->in6p_flags & IN6P_PKTINFO) != 0) { struct in6_pktinfo pi6; - bcopy(&ip6->ip6_dst, &pi6.ipi6_addr, sizeof(struct in6_addr)); + memcpy(&pi6.ipi6_addr, &ip6->ip6_dst, sizeof(struct in6_addr)); in6_clearscope(&pi6.ipi6_addr); /* XXX */ - pi6.ipi6_ifindex = m->m_pkthdr.rcvif ? - m->m_pkthdr.rcvif->if_index : 0; + pi6.ipi6_ifindex = m->m_pkthdr.rcvif_index; *mp = sbcreatecontrol((void *) &pi6, sizeof(struct in6_pktinfo), IS2292(IPV6_2292PKTINFO, IPV6_PKTINFO), IPPROTO_IPV6); @@ -1166,14 +1191,14 @@ ip6_savecontrol(struct in6pcb *in6p, str ext = ip6_pullexthdr(m, sizeof(struct ip6_hdr), xip6->ip6_nxt); if (ext == NULL) { - ip6stat.ip6s_tooshort++; + IP6_STATINC(IP6_STAT_TOOSHORT); return; } hbh = mtod(ext, struct ip6_hbh *); hbhlen = (hbh->ip6h_len + 1) << 3; if (hbhlen != ext->m_len) { m_freem(ext); - ip6stat.ip6s_tooshort++; + IP6_STATINC(IP6_STAT_TOOSHORT); return; } @@ -1225,7 +1250,7 @@ ip6_savecontrol(struct in6pcb *in6p, str ext = ip6_pullexthdr(m, off, nxt); if (ext == NULL) { - ip6stat.ip6s_tooshort++; + IP6_STATINC(IP6_STAT_TOOSHORT); return; } ip6e = mtod(ext, struct ip6_ext *); @@ -1235,14 +1260,14 @@ ip6_savecontrol(struct in6pcb *in6p, str elen = (ip6e->ip6e_len + 1) << 3; if (elen != ext->m_len) { m_freem(ext); - ip6stat.ip6s_tooshort++; + IP6_STATINC(IP6_STAT_TOOSHORT); return; } KASSERT(IP6_HDR_ALIGNED_P(ip6e)); switch (nxt) { case IPPROTO_DSTOPTS: - if (!in6p->in6p_flags & IN6P_DSTOPTS) + if (!(in6p->in6p_flags & IN6P_DSTOPTS)) break; *mp = sbcreatecontrol((void *)ip6e, elen, @@ -1253,7 +1278,7 @@ ip6_savecontrol(struct in6pcb *in6p, str break; case IPPROTO_ROUTING: - if (!in6p->in6p_flags & IN6P_RTHDR) + if (!(in6p->in6p_flags & IN6P_RTHDR)) break; *mp = sbcreatecontrol((void *)ip6e, elen, @@ -1306,10 +1331,7 @@ ip6_notify_pmtu(struct in6pcb *in6p, con if (mtu == NULL) return; -#ifdef DIAGNOSTIC - if (so == NULL) /* I believe this is impossible */ - panic("ip6_notify_pmtu: socket is NULL"); -#endif + KASSERT(so != NULL); memset(&mtuctl, 0, sizeof(mtuctl)); /* zero-clear for safety */ mtuctl.ip6m_mtu = *mtu; @@ -1547,7 +1569,7 @@ ip6_addaux(struct mbuf *m) M_NOWAIT); if (mtag) { m_tag_prepend(m, mtag); - bzero(mtag + 1, sizeof(struct ip6aux)); + memset(mtag + 1, 0, sizeof(struct ip6aux)); } } return mtag; @@ -1572,62 +1594,11 @@ ip6_delaux(struct mbuf *m) m_tag_delete(m, mtag); } -#ifdef GATEWAY -/* - * sysctl helper routine for net.inet.ip6.maxflows. Since - * we could reduce this value, call ip6flow_reap(); - */ -static int -sysctl_net_inet6_ip6_maxflows(SYSCTLFN_ARGS) -{ - int s; - - s = sysctl_lookup(SYSCTLFN_CALL(rnode)); - if (s || newp == NULL) - return (s); - - s = splsoftnet(); - ip6flow_reap(0); - splx(s); - - return (0); -} - -static int -sysctl_net_inet6_ip6_hashsize(SYSCTLFN_ARGS) -{ - int error, tmp; - struct sysctlnode node; - - node = *rnode; - tmp = ip6_hashsize; - node.sysctl_data = &tmp; - error = sysctl_lookup(SYSCTLFN_CALL(&node)); - if (error || newp == NULL) - return (error); - - if ((tmp & (tmp - 1)) == 0 && tmp != 0) { - /* - * Can only fail due to malloc() - */ - if (ip6flow_invalidate_all(tmp)) - return ENOMEM; - } else { - /* - * EINVAL if not a power of 2 - */ - return EINVAL; - } - - return (0); -} -#endif /* GATEWAY */ - /* * System control for IP6 */ -u_char inet6ctlerrmap[PRC_NCMDS] = { +const u_char inet6ctlerrmap[PRC_NCMDS] = { 0, 0, 0, 0, 0, EMSGSIZE, EHOSTDOWN, EHOSTUNREACH, EHOSTUNREACH, EHOSTUNREACH, ECONNREFUSED, ECONNREFUSED, @@ -1636,7 +1607,17 @@ u_char inet6ctlerrmap[PRC_NCMDS] = { ENOPROTOOPT }; -SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, "sysctl net.inet6.ip6 subtree setup") +extern int sysctl_net_inet6_addrctlpolicy(SYSCTLFN_ARGS); + +static int +sysctl_net_inet6_ip6_stats(SYSCTLFN_ARGS) +{ + + return (NETSTAT_SYSCTL(ip6stat_percpu, IP6_NSTATS)); +} + +static void +sysctl_net_inet6_ip6_setup(struct sysctllog **clog) { #ifdef RFC2292 #define IS2292(x, y) ((in6p->in6p_flags & IN6P_RFC2292) ? (x) : (y)) @@ -1646,11 +1627,6 @@ SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, sysctl_createv(clog, 0, NULL, NULL, CTLFLAG_PERMANENT, - CTLTYPE_NODE, "net", NULL, - NULL, 0, NULL, 0, - CTL_NET, CTL_EOL); - sysctl_createv(clog, 0, NULL, NULL, - CTLFLAG_PERMANENT, CTLTYPE_NODE, "inet6", SYSCTL_DESCR("PF_INET6 related settings"), NULL, 0, NULL, 0, @@ -1742,6 +1718,20 @@ SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, IPV6CTL_ACCEPT_RTADV, CTL_EOL); sysctl_createv(clog, 0, NULL, NULL, CTLFLAG_PERMANENT|CTLFLAG_READWRITE, + CTLTYPE_INT, "rtadv_maxroutes", + SYSCTL_DESCR("Maximum number of routes accepted via router advertisements"), + NULL, 0, &ip6_rtadv_maxroutes, 0, + CTL_NET, PF_INET6, IPPROTO_IPV6, + IPV6CTL_RTADV_MAXROUTES, CTL_EOL); + sysctl_createv(clog, 0, NULL, NULL, + CTLFLAG_PERMANENT, + CTLTYPE_INT, "rtadv_numroutes", + SYSCTL_DESCR("Current number of routes accepted via router advertisements"), + NULL, 0, &nd6_numroutes, 0, + CTL_NET, PF_INET6, IPPROTO_IPV6, + IPV6CTL_RTADV_NUMROUTES, CTL_EOL); + sysctl_createv(clog, 0, NULL, NULL, + CTLFLAG_PERMANENT|CTLFLAG_READWRITE, CTLTYPE_INT, "keepfaith", SYSCTL_DESCR("Activate faith interface"), NULL, 0, &ip6_keepfaith, 0, @@ -1784,15 +1774,6 @@ SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, NULL, 0, &ip6_defmcasthlim, 0, CTL_NET, PF_INET6, IPPROTO_IPV6, IPV6CTL_DEFMCASTHLIM, CTL_EOL); -#if NGIF > 0 - sysctl_createv(clog, 0, NULL, NULL, - CTLFLAG_PERMANENT|CTLFLAG_READWRITE, - CTLTYPE_INT, "gifhlim", - SYSCTL_DESCR("Default hop limit for a gif tunnel datagram"), - NULL, 0, &ip6_gif_hlim, 0, - CTL_NET, PF_INET6, IPPROTO_IPV6, - IPV6CTL_GIF_HLIM, CTL_EOL); -#endif /* NGIF */ sysctl_createv(clog, 0, NULL, NULL, CTLFLAG_PERMANENT, CTLTYPE_STRING, "kame_version", @@ -1859,6 +1840,23 @@ SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, #endif /* IPNOPRIVPORTS */ sysctl_createv(clog, 0, NULL, NULL, CTLFLAG_PERMANENT|CTLFLAG_READWRITE, + CTLTYPE_INT, "auto_linklocal", + SYSCTL_DESCR("Default value of per-interface flag for " + "adding an IPv6 link-local address to " + "interfaces when attached"), + NULL, 0, &ip6_auto_linklocal, 0, + CTL_NET, PF_INET6, IPPROTO_IPV6, + IPV6CTL_AUTO_LINKLOCAL, CTL_EOL); + sysctl_createv(clog, 0, NULL, NULL, + CTLFLAG_PERMANENT|CTLFLAG_READONLY, + CTLTYPE_STRUCT, "addctlpolicy", + SYSCTL_DESCR("Return the current address control" + " policy"), + sysctl_net_inet6_addrctlpolicy, 0, NULL, 0, + CTL_NET, PF_INET6, IPPROTO_IPV6, + IPV6CTL_ADDRCTLPOLICY, CTL_EOL); + sysctl_createv(clog, 0, NULL, NULL, + CTLFLAG_PERMANENT|CTLFLAG_READWRITE, CTLTYPE_INT, "use_tempaddr", SYSCTL_DESCR("Use temporary address"), NULL, 0, &ip6_use_tempaddr, 0, @@ -1866,6 +1864,14 @@ SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, CTL_CREATE, CTL_EOL); sysctl_createv(clog, 0, NULL, NULL, CTLFLAG_PERMANENT|CTLFLAG_READWRITE, + CTLTYPE_INT, "prefer_tempaddr", + SYSCTL_DESCR("Prefer temporary address as source " + "address"), + NULL, 0, &ip6_prefer_tempaddr, 0, + CTL_NET, PF_INET6, IPPROTO_IPV6, + CTL_CREATE, CTL_EOL); + sysctl_createv(clog, 0, NULL, NULL, + CTLFLAG_PERMANENT|CTLFLAG_READWRITE, CTLTYPE_INT, "temppltime", SYSCTL_DESCR("preferred lifetime of a temporary address"), NULL, 0, &ip6_temp_preferred_lifetime, 0, @@ -1889,7 +1895,7 @@ SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, CTLFLAG_PERMANENT, CTLTYPE_STRUCT, "stats", SYSCTL_DESCR("IPv6 statistics"), - NULL, 0, &ip6stat, sizeof(ip6stat), + sysctl_net_inet6_ip6_stats, 0, NULL, 0, CTL_NET, PF_INET6, IPPROTO_IPV6, IPV6CTL_STATS, CTL_EOL); sysctl_createv(clog, 0, NULL, NULL, @@ -1906,20 +1912,70 @@ SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, NULL, 0, &ip6_mcast_pmtu, 0, CTL_NET, PF_INET6, IPPROTO_IPV6, CTL_CREATE, CTL_EOL); -#ifdef GATEWAY + /* anonportalgo RFC6056 subtree */ + const struct sysctlnode *portalgo_node; + sysctl_createv(clog, 0, NULL, &portalgo_node, + CTLFLAG_PERMANENT, + CTLTYPE_NODE, "anonportalgo", + SYSCTL_DESCR("Anonymous port algorithm selection (RFC 6056)"), + NULL, 0, NULL, 0, + CTL_NET, PF_INET6, IPPROTO_IPV6, CTL_CREATE, CTL_EOL); + sysctl_createv(clog, 0, &portalgo_node, NULL, + CTLFLAG_PERMANENT, + CTLTYPE_STRING, "available", + SYSCTL_DESCR("available algorithms"), + sysctl_portalgo_available, 0, NULL, PORTALGO_MAXLEN, + CTL_CREATE, CTL_EOL); + sysctl_createv(clog, 0, &portalgo_node, NULL, + CTLFLAG_PERMANENT|CTLFLAG_READWRITE, + CTLTYPE_STRING, "selected", + SYSCTL_DESCR("selected algorithm"), + sysctl_portalgo_selected6, 0, NULL, PORTALGO_MAXLEN, + CTL_CREATE, CTL_EOL); + sysctl_createv(clog, 0, &portalgo_node, NULL, + CTLFLAG_PERMANENT|CTLFLAG_READWRITE, + CTLTYPE_STRUCT, "reserve", + SYSCTL_DESCR("bitmap of reserved ports"), + sysctl_portalgo_reserve6, 0, NULL, 0, + CTL_CREATE, CTL_EOL); sysctl_createv(clog, 0, NULL, NULL, - CTLFLAG_PERMANENT|CTLFLAG_READWRITE, - CTLTYPE_INT, "maxflows", - SYSCTL_DESCR("Number of flows for fast forwarding (IPv6)"), - sysctl_net_inet6_ip6_maxflows, 0, &ip6_maxflows, 0, - CTL_NET, PF_INET6, IPPROTO_IPV6, - CTL_CREATE, CTL_EOL); - sysctl_createv(clog, 0, NULL, NULL, - CTLFLAG_PERMANENT|CTLFLAG_READWRITE, - CTLTYPE_INT, "hashsize", - SYSCTL_DESCR("Size of hash table for fast forwarding (IPv6)"), - sysctl_net_inet6_ip6_hashsize, 0, &ip6_hashsize, 0, - CTL_NET, PF_INET6, IPPROTO_IPV6, - CTL_CREATE, CTL_EOL); -#endif + CTLFLAG_PERMANENT|CTLFLAG_READWRITE, + CTLTYPE_INT, "neighborgcthresh", + SYSCTL_DESCR("Maximum number of entries in neighbor" + " cache"), + NULL, 1, &ip6_neighborgcthresh, 0, + CTL_NET, PF_INET6, IPPROTO_IPV6, + CTL_CREATE, CTL_EOL); + sysctl_createv(clog, 0, NULL, NULL, + CTLFLAG_PERMANENT|CTLFLAG_READWRITE, + CTLTYPE_INT, "maxifprefixes", + SYSCTL_DESCR("Maximum number of prefixes created by" + " route advertisement per interface"), + NULL, 1, &ip6_maxifprefixes, 0, + CTL_NET, PF_INET6, IPPROTO_IPV6, + CTL_CREATE, CTL_EOL); + sysctl_createv(clog, 0, NULL, NULL, + CTLFLAG_PERMANENT|CTLFLAG_READWRITE, + CTLTYPE_INT, "maxifdefrouters", + SYSCTL_DESCR("Maximum number of default routers created" + " by route advertisement per interface"), + NULL, 1, &ip6_maxifdefrouters, 0, + CTL_NET, PF_INET6, IPPROTO_IPV6, + CTL_CREATE, CTL_EOL); + sysctl_createv(clog, 0, NULL, NULL, + CTLFLAG_PERMANENT|CTLFLAG_READWRITE, + CTLTYPE_INT, "maxdynroutes", + SYSCTL_DESCR("Maximum number of routes created via" + " redirect"), + NULL, 1, &ip6_maxdynroutes, 0, + CTL_NET, PF_INET6, IPPROTO_IPV6, + CTL_CREATE, CTL_EOL); +} + +void +ip6_statinc(u_int stat) +{ + + KASSERT(stat < IP6_NSTATS); + IP6_STATINC(stat); }