| version 1.98.2.6, 2007/10/09 13:44:55 |
version 1.99, 2007/03/23 14:24:22 |
| Line 136 static int ip6qmaxlen = IFQ_MAXLEN; |
|
| Line 136 static int ip6qmaxlen = IFQ_MAXLEN; |
|
| struct in6_ifaddr *in6_ifaddr; |
struct in6_ifaddr *in6_ifaddr; |
| struct ifqueue ip6intrq; |
struct ifqueue ip6intrq; |
| |
|
| extern callout_t in6_tmpaddrtimer_ch; |
extern struct callout in6_tmpaddrtimer_ch; |
| |
|
| int ip6_forward_srcrt; /* XXX */ |
int ip6_forward_srcrt; /* XXX */ |
| int ip6_sourcecheck; /* XXX */ |
int ip6_sourcecheck; /* XXX */ |
| Line 202 ip6_init2(void *dummy) |
|
| Line 202 ip6_init2(void *dummy) |
|
| { |
{ |
| |
|
| /* nd6_timer_init */ |
/* nd6_timer_init */ |
| callout_init(&nd6_timer_ch, 0); |
callout_init(&nd6_timer_ch); |
| callout_reset(&nd6_timer_ch, hz, nd6_timer, NULL); |
callout_reset(&nd6_timer_ch, hz, nd6_timer, NULL); |
| |
|
| /* timer for regeneranation of temporary addresses randomize ID */ |
/* timer for regeneranation of temporary addresses randomize ID */ |
| callout_init(&in6_tmpaddrtimer_ch, 0); |
callout_init(&in6_tmpaddrtimer_ch); |
| callout_reset(&in6_tmpaddrtimer_ch, |
callout_reset(&in6_tmpaddrtimer_ch, |
| (ip6_temp_preferred_lifetime - ip6_desync_factor - |
(ip6_temp_preferred_lifetime - ip6_desync_factor - |
| ip6_temp_regen_advance) * hz, |
ip6_temp_regen_advance) * hz, |
|
|
| } |
} |
| } |
} |
| |
|
| extern struct route ip6_forward_rt; |
extern struct route_in6 ip6_forward_rt; |
| |
|
| void |
void |
| ip6_input(struct mbuf *m) |
ip6_input(struct mbuf *m) |
| { |
{ |
| struct ip6_hdr *ip6; |
struct ip6_hdr *ip6; |
| int hit, off = sizeof(struct ip6_hdr), nest; |
int off = sizeof(struct ip6_hdr), nest; |
| u_int32_t plen; |
u_int32_t plen; |
| u_int32_t rtalert = ~0; |
u_int32_t rtalert = ~0; |
| int nxt, ours = 0, rh_present = 0; |
int nxt, ours = 0; |
| struct ifnet *deliverifp = NULL; |
struct ifnet *deliverifp = NULL; |
| int srcrt = 0; |
int srcrt = 0; |
| const struct rtentry *rt; |
|
| union { |
|
| struct sockaddr dst; |
|
| struct sockaddr_in6 dst6; |
|
| } u; |
|
| #ifdef FAST_IPSEC |
#ifdef FAST_IPSEC |
| struct m_tag *mtag; |
struct m_tag *mtag; |
| struct tdb_ident *tdbi; |
struct tdb_ident *tdbi; |
| Line 479 ip6_input(struct mbuf *m) |
|
| Line 474 ip6_input(struct mbuf *m) |
|
| goto hbhcheck; |
goto hbhcheck; |
| } |
} |
| |
|
| sockaddr_in6_init(&u.dst6, &ip6->ip6_dst, 0, 0, 0); |
|
| |
|
| /* |
/* |
| * Unicast check |
* Unicast check |
| */ |
*/ |
| rt = rtcache_lookup2(&ip6_forward_rt, &u.dst, 1, &hit); |
if (!IN6_ARE_ADDR_EQUAL(&ip6->ip6_dst, |
| if (hit) |
&((const struct sockaddr_in6 *)rtcache_getdst((const struct route *)&ip6_forward_rt))->sin6_addr)) |
| ip6stat.ip6s_forward_cachehit++; |
rtcache_free((struct route *)&ip6_forward_rt); |
| else |
else |
| |
rtcache_check((struct route *)&ip6_forward_rt); |
| |
if (ip6_forward_rt.ro_rt != NULL) { |
| |
/* XXX Revalidated route is accounted wrongly. */ |
| |
ip6stat.ip6s_forward_cachehit++; |
| |
} else { |
| |
struct sockaddr_in6 *dst6; |
| |
|
| ip6stat.ip6s_forward_cachemiss++; |
ip6stat.ip6s_forward_cachemiss++; |
| |
|
| #define rt6_getkey(__rt) satocsin6(rt_getkey(__rt)) |
dst6 = &ip6_forward_rt.ro_dst; |
| |
memset(dst6, 0, sizeof(*dst6)); |
| |
dst6->sin6_len = sizeof(struct sockaddr_in6); |
| |
dst6->sin6_family = AF_INET6; |
| |
dst6->sin6_addr = ip6->ip6_dst; |
| |
|
| |
rtcache_init((struct route *)&ip6_forward_rt); |
| |
} |
| |
|
| |
#define rt6_key(r) ((struct sockaddr_in6 *)((r)->rt_nodes->rn_key)) |
| |
|
| /* |
/* |
| * Accept the packet if the forwarding interface to the destination |
* Accept the packet if the forwarding interface to the destination |
| Line 501 ip6_input(struct mbuf *m) |
|
| Line 510 ip6_input(struct mbuf *m) |
|
| * But we think it's even useful in some situations, e.g. when using |
* But we think it's even useful in some situations, e.g. when using |
| * a special daemon which wants to intercept the packet. |
* a special daemon which wants to intercept the packet. |
| */ |
*/ |
| if (rt != NULL && |
if (ip6_forward_rt.ro_rt != NULL && |
| (rt->rt_flags & (RTF_HOST|RTF_GATEWAY)) == RTF_HOST && |
(ip6_forward_rt.ro_rt->rt_flags & |
| !(rt->rt_flags & RTF_CLONED) && |
(RTF_HOST|RTF_GATEWAY)) == RTF_HOST && |
| |
!(ip6_forward_rt.ro_rt->rt_flags & RTF_CLONED) && |
| #if 0 |
#if 0 |
| /* |
/* |
| * The check below is redundant since the comparison of |
* The check below is redundant since the comparison of |
| * the destination and the key of the rtentry has |
* the destination and the key of the rtentry has |
| * already done through looking up the routing table. |
* already done through looking up the routing table. |
| */ |
*/ |
| IN6_ARE_ADDR_EQUAL(&ip6->ip6_dst, &rt6_getkey(rt)->sin6_addr) && |
IN6_ARE_ADDR_EQUAL(&ip6->ip6_dst, |
| |
&rt6_key(ip6_forward_rt.ro_rt)->sin6_addr) && |
| #endif |
#endif |
| rt->rt_ifp->if_type == IFT_LOOP) { |
ip6_forward_rt.ro_rt->rt_ifp->if_type == IFT_LOOP) { |
| struct in6_ifaddr *ia6 = (struct in6_ifaddr *)rt->rt_ifa; |
struct in6_ifaddr *ia6 = |
| |
(struct in6_ifaddr *)ip6_forward_rt.ro_rt->rt_ifa; |
| if (ia6->ia6_flags & IN6_IFF_ANYCAST) |
if (ia6->ia6_flags & IN6_IFF_ANYCAST) |
| m->m_flags |= M_ANYCAST6; |
m->m_flags |= M_ANYCAST6; |
| /* |
/* |
| Line 541 ip6_input(struct mbuf *m) |
|
| Line 553 ip6_input(struct mbuf *m) |
|
| */ |
*/ |
| #if defined(NFAITH) && 0 < NFAITH |
#if defined(NFAITH) && 0 < NFAITH |
| if (ip6_keepfaith) { |
if (ip6_keepfaith) { |
| if (rt != NULL && rt->rt_ifp != NULL && |
if (ip6_forward_rt.ro_rt != NULL && |
| rt->rt_ifp->if_type == IFT_FAITH) { |
ip6_forward_rt.ro_rt->rt_ifp != NULL && |
| |
ip6_forward_rt.ro_rt->rt_ifp->if_type == IFT_FAITH) { |
| /* XXX do we need more sanity checks? */ |
/* XXX do we need more sanity checks? */ |
| ours = 1; |
ours = 1; |
| deliverifp = rt->rt_ifp; /* faith */ |
deliverifp = ip6_forward_rt.ro_rt->rt_ifp; /* faith */ |
| goto hbhcheck; |
goto hbhcheck; |
| } |
} |
| } |
} |
| Line 739 ip6_input(struct mbuf *m) |
|
| Line 752 ip6_input(struct mbuf *m) |
|
| in6_ifstat_inc(deliverifp, ifs6_in_deliver); |
in6_ifstat_inc(deliverifp, ifs6_in_deliver); |
| nest = 0; |
nest = 0; |
| |
|
| rh_present = 0; |
|
| while (nxt != IPPROTO_DONE) { |
while (nxt != IPPROTO_DONE) { |
| if (ip6_hdrnestlimit && (++nest > ip6_hdrnestlimit)) { |
if (ip6_hdrnestlimit && (++nest > ip6_hdrnestlimit)) { |
| ip6stat.ip6s_toomanyhdr++; |
ip6stat.ip6s_toomanyhdr++; |
| in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_hdrerr); |
|
| goto bad; |
goto bad; |
| } |
} |
| |
|
| Line 757 ip6_input(struct mbuf *m) |
|
| Line 768 ip6_input(struct mbuf *m) |
|
| goto bad; |
goto bad; |
| } |
} |
| |
|
| if (nxt == IPPROTO_ROUTING) { |
|
| if (rh_present++) { |
|
| in6_ifstat_inc(m->m_pkthdr.rcvif, |
|
| ifs6_in_hdrerr); |
|
| ip6stat.ip6s_badoptions++; |
|
| goto bad; |
|
| } |
|
| } |
|
| |
|
| #ifdef IPSEC |
#ifdef IPSEC |
| /* |
/* |
| * enforce IPsec policy checking if we are seeing last header. |
* enforce IPsec policy checking if we are seeing last header. |
| Line 810 ip6_input(struct mbuf *m) |
|
| Line 812 ip6_input(struct mbuf *m) |
|
| /* XXX error stat??? */ |
/* XXX error stat??? */ |
| error = EINVAL; |
error = EINVAL; |
| DPRINTF(("ip6_input: no SP, packet discarded\n"));/*XXX*/ |
DPRINTF(("ip6_input: no SP, packet discarded\n"));/*XXX*/ |
| |
goto bad; |
| } |
} |
| splx(s); |
splx(s); |
| if (error) |
if (error) |
| Line 829 ip6_input(struct mbuf *m) |
|
| Line 832 ip6_input(struct mbuf *m) |
|
| * set/grab in6_ifaddr correspond to IPv6 destination address. |
* set/grab in6_ifaddr correspond to IPv6 destination address. |
| */ |
*/ |
| static struct m_tag * |
static struct m_tag * |
| ip6_setdstifaddr(struct mbuf *m, struct in6_ifaddr *ia6) |
ip6_setdstifaddr(m, ia6) |
| |
struct mbuf *m; |
| |
struct in6_ifaddr *ia6; |
| { |
{ |
| struct m_tag *mtag; |
struct m_tag *mtag; |
| |
|
| Line 840 ip6_setdstifaddr(struct mbuf *m, struct |
|
| Line 845 ip6_setdstifaddr(struct mbuf *m, struct |
|
| } |
} |
| |
|
| struct in6_ifaddr * |
struct in6_ifaddr * |
| ip6_getdstifaddr(struct mbuf *m) |
ip6_getdstifaddr(m) |
| |
struct mbuf *m; |
| { |
{ |
| struct m_tag *mtag; |
struct m_tag *mtag; |
| |
|
| Line 854 ip6_getdstifaddr(struct mbuf *m) |
|
| Line 860 ip6_getdstifaddr(struct mbuf *m) |
|
| /* |
/* |
| * Hop-by-Hop options header processing. If a valid jumbo payload option is |
* Hop-by-Hop options header processing. If a valid jumbo payload option is |
| * included, the real payload length will be stored in plenp. |
* included, the real payload length will be stored in plenp. |
| * |
|
| * rtalertp - XXX: should be stored more smart way |
|
| */ |
*/ |
| static int |
static int |
| ip6_hopopts_input(u_int32_t *plenp, u_int32_t *rtalertp, |
ip6_hopopts_input(plenp, rtalertp, mp, offp) |
| struct mbuf **mp, int *offp) |
u_int32_t *plenp; |
| |
u_int32_t *rtalertp; /* XXX: should be stored more smart way */ |
| |
struct mbuf **mp; |
| |
int *offp; |
| { |
{ |
| struct mbuf *m = *mp; |
struct mbuf *m = *mp; |
| int off = *offp, hbhlen; |
int off = *offp, hbhlen; |
| Line 903 ip6_hopopts_input(u_int32_t *plenp, u_in |
|
| Line 910 ip6_hopopts_input(u_int32_t *plenp, u_in |
|
| * opthead + hbhlen is located in continuous memory region. |
* opthead + hbhlen is located in continuous memory region. |
| */ |
*/ |
| int |
int |
| ip6_process_hopopts(struct mbuf *m, u_int8_t *opthead, int hbhlen, |
ip6_process_hopopts(m, opthead, hbhlen, rtalertp, plenp) |
| u_int32_t *rtalertp, u_int32_t *plenp) |
struct mbuf *m; |
| |
u_int8_t *opthead; |
| |
int hbhlen; |
| |
u_int32_t *rtalertp; |
| |
u_int32_t *plenp; |
| { |
{ |
| struct ip6_hdr *ip6; |
struct ip6_hdr *ip6; |
| int optlen = 0; |
int optlen = 0; |
| Line 1036 ip6_process_hopopts(struct mbuf *m, u_in |
|
| Line 1047 ip6_process_hopopts(struct mbuf *m, u_in |
|
| * is not continuous in order to return an ICMPv6 error. |
* is not continuous in order to return an ICMPv6 error. |
| */ |
*/ |
| int |
int |
| ip6_unknown_opt(u_int8_t *optp, struct mbuf *m, int off) |
ip6_unknown_opt(optp, m, off) |
| |
u_int8_t *optp; |
| |
struct mbuf *m; |
| |
int off; |
| { |
{ |
| struct ip6_hdr *ip6; |
struct ip6_hdr *ip6; |
| |
|
| Line 1078 ip6_unknown_opt(u_int8_t *optp, struct m |
|
| Line 1092 ip6_unknown_opt(u_int8_t *optp, struct m |
|
| * you are using IP6_EXTHDR_CHECK() not m_pulldown()) |
* you are using IP6_EXTHDR_CHECK() not m_pulldown()) |
| */ |
*/ |
| void |
void |
| ip6_savecontrol(struct in6pcb *in6p, struct mbuf **mp, |
ip6_savecontrol(in6p, mp, ip6, m) |
| struct ip6_hdr *ip6, struct mbuf *m) |
struct in6pcb *in6p; |
| |
struct mbuf **mp; |
| |
struct ip6_hdr *ip6; |
| |
struct mbuf *m; |
| { |
{ |
| #ifdef RFC2292 |
#ifdef RFC2292 |
| #define IS2292(x, y) ((in6p->in6p_flags & IN6P_RFC2292) ? (x) : (y)) |
#define IS2292(x, y) ((in6p->in6p_flags & IN6P_RFC2292) ? (x) : (y)) |
| Line 1336 ip6_notify_pmtu(struct in6pcb *in6p, con |
|
| Line 1353 ip6_notify_pmtu(struct in6pcb *in6p, con |
|
| * contains the result, or NULL on error. |
* contains the result, or NULL on error. |
| */ |
*/ |
| static struct mbuf * |
static struct mbuf * |
| ip6_pullexthdr(struct mbuf *m, size_t off, int nxt) |
ip6_pullexthdr(m, off, nxt) |
| |
struct mbuf *m; |
| |
size_t off; |
| |
int nxt; |
| { |
{ |
| struct ip6_ext ip6e; |
struct ip6_ext ip6e; |
| size_t elen; |
size_t elen; |
| Line 1395 ip6_pullexthdr(struct mbuf *m, size_t of |
|
| Line 1415 ip6_pullexthdr(struct mbuf *m, size_t of |
|
| * we develop `neater' mechanism to process extension headers. |
* we develop `neater' mechanism to process extension headers. |
| */ |
*/ |
| u_int8_t * |
u_int8_t * |
| ip6_get_prevhdr(struct mbuf *m, int off) |
ip6_get_prevhdr(m, off) |
| |
struct mbuf *m; |
| |
int off; |
| { |
{ |
| struct ip6_hdr *ip6 = mtod(m, struct ip6_hdr *); |
struct ip6_hdr *ip6 = mtod(m, struct ip6_hdr *); |
| |
|
| Line 1434 ip6_get_prevhdr(struct mbuf *m, int off) |
|
| Line 1456 ip6_get_prevhdr(struct mbuf *m, int off) |
|
| * get next header offset. m will be retained. |
* get next header offset. m will be retained. |
| */ |
*/ |
| int |
int |
| ip6_nexthdr(struct mbuf *m, int off, int proto, int *nxtp) |
ip6_nexthdr(m, off, proto, nxtp) |
| |
struct mbuf *m; |
| |
int off; |
| |
int proto; |
| |
int *nxtp; |
| { |
{ |
| struct ip6_hdr ip6; |
struct ip6_hdr ip6; |
| struct ip6_ext ip6e; |
struct ip6_ext ip6e; |
| Line 1513 ip6_nexthdr(struct mbuf *m, int off, int |
|
| Line 1539 ip6_nexthdr(struct mbuf *m, int off, int |
|
| * get offset for the last header in the chain. m will be kept untainted. |
* get offset for the last header in the chain. m will be kept untainted. |
| */ |
*/ |
| int |
int |
| ip6_lasthdr(struct mbuf *m, int off, int proto, int *nxtp) |
ip6_lasthdr(m, off, proto, nxtp) |
| |
struct mbuf *m; |
| |
int off; |
| |
int proto; |
| |
int *nxtp; |
| { |
{ |
| int newoff; |
int newoff; |
| int nxt; |
int nxt; |
| Line 1537 ip6_lasthdr(struct mbuf *m, int off, int |
|
| Line 1567 ip6_lasthdr(struct mbuf *m, int off, int |
|
| } |
} |
| |
|
| struct m_tag * |
struct m_tag * |
| ip6_addaux(struct mbuf *m) |
ip6_addaux(m) |
| |
struct mbuf *m; |
| { |
{ |
| struct m_tag *mtag; |
struct m_tag *mtag; |
| |
|
| Line 1554 ip6_addaux(struct mbuf *m) |
|
| Line 1585 ip6_addaux(struct mbuf *m) |
|
| } |
} |
| |
|
| struct m_tag * |
struct m_tag * |
| ip6_findaux(struct mbuf *m) |
ip6_findaux(m) |
| |
struct mbuf *m; |
| { |
{ |
| struct m_tag *mtag; |
struct m_tag *mtag; |
| |
|
| Line 1563 ip6_findaux(struct mbuf *m) |
|
| Line 1595 ip6_findaux(struct mbuf *m) |
|
| } |
} |
| |
|
| void |
void |
| ip6_delaux(struct mbuf *m) |
ip6_delaux(m) |
| |
struct mbuf *m; |
| { |
{ |
| struct m_tag *mtag; |
struct m_tag *mtag; |
| |
|
| Line 1578 ip6_delaux(struct mbuf *m) |
|
| Line 1611 ip6_delaux(struct mbuf *m) |
|
| * we could reduce this value, call ip6flow_reap(); |
* we could reduce this value, call ip6flow_reap(); |
| */ |
*/ |
| static int |
static int |
| sysctl_net_inet6_ip6_maxflows(SYSCTLFN_ARGS) |
sysctl_net_inet_ip6_maxflows(SYSCTLFN_ARGS) |
| { |
{ |
| int s; |
int s; |
| |
|
| s = sysctl_lookup(SYSCTLFN_CALL(rnode)); |
s = sysctl_lookup(SYSCTLFN_CALL(rnode)); |
| if (s || newp == NULL) |
if (s) |
| return (s); |
return (s); |
| |
|
| s = splsoftnet(); |
s = splsoftnet(); |
| Line 1911 SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, |
|
| Line 1944 SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, |
|
| CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
| CTLTYPE_INT, "maxflows", |
CTLTYPE_INT, "maxflows", |
| SYSCTL_DESCR("Number of flows for fast forwarding (IPv6)"), |
SYSCTL_DESCR("Number of flows for fast forwarding (IPv6)"), |
| sysctl_net_inet6_ip6_maxflows, 0, &ip6_maxflows, 0, |
sysctl_net_inet_ip6_maxflows, 0, &ip6_maxflows, 0, |
| CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
| CTL_CREATE, CTL_EOL); |
CTL_CREATE, CTL_EOL); |
| sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |