version 1.110, 2007/09/11 14:18:09 |
version 1.116, 2008/04/15 03:57:04 |
Line 102 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 102 __KERNEL_RCSID(0, "$NetBSD$"); |
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#include <netinet/ip6.h> |
#include <netinet/ip6.h> |
#include <netinet6/in6_var.h> |
#include <netinet6/in6_var.h> |
#include <netinet6/ip6_var.h> |
#include <netinet6/ip6_var.h> |
|
#include <netinet6/ip6_private.h> |
#include <netinet6/in6_pcb.h> |
#include <netinet6/in6_pcb.h> |
#include <netinet/icmp6.h> |
#include <netinet/icmp6.h> |
#include <netinet6/scope6_var.h> |
#include <netinet6/scope6_var.h> |
Line 146 int ip6_sourcecheck_interval; /* XXX */ |
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Line 147 int ip6_sourcecheck_interval; /* XXX */ |
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struct pfil_head inet6_pfil_hook; |
struct pfil_head inet6_pfil_hook; |
#endif |
#endif |
|
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struct ip6stat ip6stat; |
percpu_t *ip6stat_percpu; |
|
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static void ip6_init2 __P((void *)); |
static void ip6_init2(void *); |
static struct m_tag *ip6_setdstifaddr __P((struct mbuf *, struct in6_ifaddr *)); |
static struct m_tag *ip6_setdstifaddr(struct mbuf *, const struct in6_ifaddr *); |
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static int ip6_hopopts_input __P((u_int32_t *, u_int32_t *, struct mbuf **, int *)); |
static int ip6_hopopts_input(u_int32_t *, u_int32_t *, struct mbuf **, int *); |
static struct mbuf *ip6_pullexthdr __P((struct mbuf *, size_t, int)); |
static struct mbuf *ip6_pullexthdr(struct mbuf *, size_t, int); |
|
|
/* |
/* |
* IP6 initialization: fill in IP6 protocol switch table. |
* IP6 initialization: fill in IP6 protocol switch table. |
* All protocols not implemented in kernel go to raw IP6 protocol handler. |
* All protocols not implemented in kernel go to raw IP6 protocol handler. |
*/ |
*/ |
void |
void |
ip6_init() |
ip6_init(void) |
{ |
{ |
const struct ip6protosw *pr; |
const struct ip6protosw *pr; |
int i; |
int i; |
|
|
printf("ip6_init: WARNING: unable to register pfil hook, " |
printf("ip6_init: WARNING: unable to register pfil hook, " |
"error %d\n", i); |
"error %d\n", i); |
#endif /* PFIL_HOOKS */ |
#endif /* PFIL_HOOKS */ |
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|
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ip6stat_percpu = percpu_alloc(sizeof(uint64_t) * IP6_NSTATS); |
} |
} |
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static void |
static void |
Line 217 ip6_init2(void *dummy) |
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Line 220 ip6_init2(void *dummy) |
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* IP6 input interrupt handling. Just pass the packet to ip6_input. |
* IP6 input interrupt handling. Just pass the packet to ip6_input. |
*/ |
*/ |
void |
void |
ip6intr() |
ip6intr(void) |
{ |
{ |
int s; |
int s; |
struct mbuf *m; |
struct mbuf *m; |
Line 280 ip6_input(struct mbuf *m) |
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Line 283 ip6_input(struct mbuf *m) |
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*/ |
*/ |
if (m->m_flags & M_EXT) { |
if (m->m_flags & M_EXT) { |
if (m->m_next) |
if (m->m_next) |
ip6stat.ip6s_mext2m++; |
IP6_STATINC(IP6_STAT_MEXT2M); |
else |
else |
ip6stat.ip6s_mext1++; |
IP6_STATINC(IP6_STAT_MEXT1); |
} else { |
} else { |
#define M2MMAX __arraycount(ip6stat.ip6s_m2m) |
#define M2MMAX 32 |
if (m->m_next) { |
if (m->m_next) { |
if (m->m_flags & M_LOOP) { |
if (m->m_flags & M_LOOP) { |
ip6stat.ip6s_m2m[lo0ifp->if_index]++; /* XXX */ |
/*XXX*/ IP6_STATINC(IP6_STAT_M2M + lo0ifp->if_index); |
} else if (m->m_pkthdr.rcvif->if_index < M2MMAX) |
} else if (m->m_pkthdr.rcvif->if_index < M2MMAX) { |
ip6stat.ip6s_m2m[m->m_pkthdr.rcvif->if_index]++; |
IP6_STATINC(IP6_STAT_M2M + |
else |
m->m_pkthdr.rcvif->if_index); |
ip6stat.ip6s_m2m[0]++; |
} else |
|
IP6_STATINC(IP6_STAT_M2M); |
} else |
} else |
ip6stat.ip6s_m1++; |
IP6_STATINC(IP6_STAT_M1); |
#undef M2MMAX |
#undef M2MMAX |
} |
} |
|
|
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_receive); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_receive); |
ip6stat.ip6s_total++; |
IP6_STATINC(IP6_STAT_TOTAL); |
|
|
/* |
/* |
* If the IPv6 header is not aligned, slurp it up into a new |
* If the IPv6 header is not aligned, slurp it up into a new |
Line 311 ip6_input(struct mbuf *m) |
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Line 315 ip6_input(struct mbuf *m) |
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if ((m = m_copyup(m, sizeof(struct ip6_hdr), |
if ((m = m_copyup(m, sizeof(struct ip6_hdr), |
(max_linkhdr + 3) & ~3)) == NULL) { |
(max_linkhdr + 3) & ~3)) == NULL) { |
/* XXXJRT new stat, please */ |
/* XXXJRT new stat, please */ |
ip6stat.ip6s_toosmall++; |
IP6_STATINC(IP6_STAT_TOOSMALL); |
in6_ifstat_inc(inifp, ifs6_in_hdrerr); |
in6_ifstat_inc(inifp, ifs6_in_hdrerr); |
return; |
return; |
} |
} |
} else if (__predict_false(m->m_len < sizeof(struct ip6_hdr))) { |
} else if (__predict_false(m->m_len < sizeof(struct ip6_hdr))) { |
struct ifnet *inifp = m->m_pkthdr.rcvif; |
struct ifnet *inifp = m->m_pkthdr.rcvif; |
if ((m = m_pullup(m, sizeof(struct ip6_hdr))) == NULL) { |
if ((m = m_pullup(m, sizeof(struct ip6_hdr))) == NULL) { |
ip6stat.ip6s_toosmall++; |
IP6_STATINC(IP6_STAT_TOOSMALL); |
in6_ifstat_inc(inifp, ifs6_in_hdrerr); |
in6_ifstat_inc(inifp, ifs6_in_hdrerr); |
return; |
return; |
} |
} |
Line 327 ip6_input(struct mbuf *m) |
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Line 331 ip6_input(struct mbuf *m) |
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ip6 = mtod(m, struct ip6_hdr *); |
ip6 = mtod(m, struct ip6_hdr *); |
|
|
if ((ip6->ip6_vfc & IPV6_VERSION_MASK) != IPV6_VERSION) { |
if ((ip6->ip6_vfc & IPV6_VERSION_MASK) != IPV6_VERSION) { |
ip6stat.ip6s_badvers++; |
IP6_STATINC(IP6_STAT_BADVERS); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_hdrerr); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_hdrerr); |
goto bad; |
goto bad; |
} |
} |
Line 376 ip6_input(struct mbuf *m) |
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Line 380 ip6_input(struct mbuf *m) |
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} |
} |
#endif /* PFIL_HOOKS */ |
#endif /* PFIL_HOOKS */ |
|
|
ip6stat.ip6s_nxthist[ip6->ip6_nxt]++; |
IP6_STATINC(IP6_STAT_NXTHIST + ip6->ip6_nxt); |
|
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#ifdef ALTQ |
#ifdef ALTQ |
if (altq_input != NULL && (*altq_input)(m, AF_INET6) == 0) { |
if (altq_input != NULL && (*altq_input)(m, AF_INET6) == 0) { |
Line 393 ip6_input(struct mbuf *m) |
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Line 397 ip6_input(struct mbuf *m) |
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/* |
/* |
* XXX: "badscope" is not very suitable for a multicast source. |
* XXX: "badscope" is not very suitable for a multicast source. |
*/ |
*/ |
ip6stat.ip6s_badscope++; |
IP6_STATINC(IP6_STAT_BADSCOPE); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_addrerr); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_addrerr); |
goto bad; |
goto bad; |
} |
} |
Line 411 ip6_input(struct mbuf *m) |
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Line 415 ip6_input(struct mbuf *m) |
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*/ |
*/ |
if (IN6_IS_ADDR_V4MAPPED(&ip6->ip6_src) || |
if (IN6_IS_ADDR_V4MAPPED(&ip6->ip6_src) || |
IN6_IS_ADDR_V4MAPPED(&ip6->ip6_dst)) { |
IN6_IS_ADDR_V4MAPPED(&ip6->ip6_dst)) { |
ip6stat.ip6s_badscope++; |
IP6_STATINC(IP6_STAT_BADSCOPE); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_addrerr); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_addrerr); |
goto bad; |
goto bad; |
} |
} |
Line 425 ip6_input(struct mbuf *m) |
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Line 429 ip6_input(struct mbuf *m) |
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*/ |
*/ |
if (IN6_IS_ADDR_V4COMPAT(&ip6->ip6_src) || |
if (IN6_IS_ADDR_V4COMPAT(&ip6->ip6_src) || |
IN6_IS_ADDR_V4COMPAT(&ip6->ip6_dst)) { |
IN6_IS_ADDR_V4COMPAT(&ip6->ip6_dst)) { |
ip6stat.ip6s_badscope++; |
IP6_STATINC(IP6_STAT_BADSCOPE); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_addrerr); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_addrerr); |
goto bad; |
goto bad; |
} |
} |
Line 446 ip6_input(struct mbuf *m) |
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Line 450 ip6_input(struct mbuf *m) |
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goto bad; |
goto bad; |
ip6 = mtod(m, struct ip6_hdr *); |
ip6 = mtod(m, struct ip6_hdr *); |
if (in6_clearscope(&ip6->ip6_src) || in6_clearscope(&ip6->ip6_dst)) { |
if (in6_clearscope(&ip6->ip6_src) || in6_clearscope(&ip6->ip6_dst)) { |
ip6stat.ip6s_badscope++; /* XXX */ |
IP6_STATINC(IP6_STAT_BADSCOPE); /* XXX */ |
goto bad; |
goto bad; |
} |
} |
if (in6_setscope(&ip6->ip6_src, m->m_pkthdr.rcvif, NULL) || |
if (in6_setscope(&ip6->ip6_src, m->m_pkthdr.rcvif, NULL) || |
in6_setscope(&ip6->ip6_dst, m->m_pkthdr.rcvif, NULL)) { |
in6_setscope(&ip6->ip6_dst, m->m_pkthdr.rcvif, NULL)) { |
ip6stat.ip6s_badscope++; |
IP6_STATINC(IP6_STAT_BADSCOPE); |
goto bad; |
goto bad; |
} |
} |
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Line 470 ip6_input(struct mbuf *m) |
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Line 474 ip6_input(struct mbuf *m) |
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if (in6m) |
if (in6m) |
ours = 1; |
ours = 1; |
else if (!ip6_mrouter) { |
else if (!ip6_mrouter) { |
ip6stat.ip6s_notmember++; |
uint64_t *ip6s = IP6_STAT_GETREF(); |
ip6stat.ip6s_cantforward++; |
ip6s[IP6_STAT_NOTMEMBER]++; |
|
ip6s[IP6_STAT_CANTFORWARD]++; |
|
IP6_STAT_PUTREF(); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_discard); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_discard); |
goto bad; |
goto bad; |
} |
} |
Line 486 ip6_input(struct mbuf *m) |
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Line 492 ip6_input(struct mbuf *m) |
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*/ |
*/ |
rt = rtcache_lookup2(&ip6_forward_rt, &u.dst, 1, &hit); |
rt = rtcache_lookup2(&ip6_forward_rt, &u.dst, 1, &hit); |
if (hit) |
if (hit) |
ip6stat.ip6s_forward_cachehit++; |
IP6_STATINC(IP6_STAT_FORWARD_CACHEHIT); |
else |
else |
ip6stat.ip6s_forward_cachemiss++; |
IP6_STATINC(IP6_STAT_FORWARD_CACHEMISS); |
|
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#define rt6_getkey(__rt) satocsin6(rt_getkey(__rt)) |
#define rt6_getkey(__rt) satocsin6(rt_getkey(__rt)) |
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Line 559 ip6_input(struct mbuf *m) |
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Line 565 ip6_input(struct mbuf *m) |
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* working right. |
* working right. |
*/ |
*/ |
struct ifaddr *ifa; |
struct ifaddr *ifa; |
TAILQ_FOREACH(ifa, &m->m_pkthdr.rcvif->if_addrlist, ifa_list) { |
IFADDR_FOREACH(ifa, m->m_pkthdr.rcvif) { |
if (ifa->ifa_addr == NULL) |
if (ifa->ifa_addr == NULL) |
continue; /* just for safety */ |
continue; /* just for safety */ |
if (ifa->ifa_addr->sa_family != AF_INET6) |
if (ifa->ifa_addr->sa_family != AF_INET6) |
Line 578 ip6_input(struct mbuf *m) |
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Line 584 ip6_input(struct mbuf *m) |
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* and we're not a router. |
* and we're not a router. |
*/ |
*/ |
if (!ip6_forwarding) { |
if (!ip6_forwarding) { |
ip6stat.ip6s_cantforward++; |
IP6_STATINC(IP6_STAT_CANTFORWARD); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_discard); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_discard); |
goto bad; |
goto bad; |
} |
} |
Line 590 ip6_input(struct mbuf *m) |
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Line 596 ip6_input(struct mbuf *m) |
|
* as our interface address (e.g. multicast addresses, addresses |
* as our interface address (e.g. multicast addresses, addresses |
* within FAITH prefixes and such). |
* within FAITH prefixes and such). |
*/ |
*/ |
if (deliverifp && !ip6_getdstifaddr(m)) { |
if (deliverifp && ip6_getdstifaddr(m) == NULL) { |
struct in6_ifaddr *ia6; |
struct in6_ifaddr *ia6; |
|
|
ia6 = in6_ifawithifp(deliverifp, &ip6->ip6_dst); |
ia6 = in6_ifawithifp(deliverifp, &ip6->ip6_dst); |
if (ia6) { |
if (ia6 != NULL && ip6_setdstifaddr(m, ia6) == NULL) { |
if (!ip6_setdstifaddr(m, ia6)) { |
/* |
/* |
* XXX maybe we should drop the packet here, |
* XXX maybe we should drop the packet here, |
* as we could not provide enough information |
* as we could not provide enough information |
* to the upper layers. |
* to the upper layers. |
*/ |
*/ |
|
} |
|
} |
} |
} |
} |
|
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Line 635 ip6_input(struct mbuf *m) |
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Line 639 ip6_input(struct mbuf *m) |
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* contained, ip6_hopopts_input() must set a valid |
* contained, ip6_hopopts_input() must set a valid |
* (non-zero) payload length to the variable plen. |
* (non-zero) payload length to the variable plen. |
*/ |
*/ |
ip6stat.ip6s_badoptions++; |
IP6_STATINC(IP6_STAT_BADOPTIONS); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_discard); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_discard); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_hdrerr); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_hdrerr); |
icmp6_error(m, ICMP6_PARAM_PROB, |
icmp6_error(m, ICMP6_PARAM_PROB, |
Line 646 ip6_input(struct mbuf *m) |
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Line 650 ip6_input(struct mbuf *m) |
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IP6_EXTHDR_GET(hbh, struct ip6_hbh *, m, sizeof(struct ip6_hdr), |
IP6_EXTHDR_GET(hbh, struct ip6_hbh *, m, sizeof(struct ip6_hdr), |
sizeof(struct ip6_hbh)); |
sizeof(struct ip6_hbh)); |
if (hbh == NULL) { |
if (hbh == NULL) { |
ip6stat.ip6s_tooshort++; |
IP6_STATINC(IP6_STAT_TOOSHORT); |
return; |
return; |
} |
} |
KASSERT(IP6_HDR_ALIGNED_P(hbh)); |
KASSERT(IP6_HDR_ALIGNED_P(hbh)); |
Line 668 ip6_input(struct mbuf *m) |
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Line 672 ip6_input(struct mbuf *m) |
|
* Drop packet if shorter than we expect. |
* Drop packet if shorter than we expect. |
*/ |
*/ |
if (m->m_pkthdr.len - sizeof(struct ip6_hdr) < plen) { |
if (m->m_pkthdr.len - sizeof(struct ip6_hdr) < plen) { |
ip6stat.ip6s_tooshort++; |
IP6_STATINC(IP6_STAT_TOOSHORT); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_truncated); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_truncated); |
goto bad; |
goto bad; |
} |
} |
Line 693 ip6_input(struct mbuf *m) |
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Line 697 ip6_input(struct mbuf *m) |
|
* must be discarded, else it may be accepted below. |
* must be discarded, else it may be accepted below. |
*/ |
*/ |
if (ip6_mrouter && ip6_mforward(ip6, m->m_pkthdr.rcvif, m)) { |
if (ip6_mrouter && ip6_mforward(ip6, m->m_pkthdr.rcvif, m)) { |
ip6stat.ip6s_cantforward++; |
IP6_STATINC(IP6_STAT_CANTFORWARD); |
m_freem(m); |
m_freem(m); |
return; |
return; |
} |
} |
Line 719 ip6_input(struct mbuf *m) |
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Line 723 ip6_input(struct mbuf *m) |
|
*/ |
*/ |
if (IN6_IS_ADDR_V4MAPPED(&ip6->ip6_src) || |
if (IN6_IS_ADDR_V4MAPPED(&ip6->ip6_src) || |
IN6_IS_ADDR_V4MAPPED(&ip6->ip6_dst)) { |
IN6_IS_ADDR_V4MAPPED(&ip6->ip6_dst)) { |
ip6stat.ip6s_badscope++; |
IP6_STATINC(IP6_STAT_BADSCOPE); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_addrerr); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_addrerr); |
goto bad; |
goto bad; |
} |
} |
Line 735 ip6_input(struct mbuf *m) |
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Line 739 ip6_input(struct mbuf *m) |
|
ia6->ia_ifa.ifa_data.ifad_inbytes += m->m_pkthdr.len; |
ia6->ia_ifa.ifa_data.ifad_inbytes += m->m_pkthdr.len; |
} |
} |
#endif |
#endif |
ip6stat.ip6s_delivered++; |
IP6_STATINC(IP6_STAT_DELIVERED); |
in6_ifstat_inc(deliverifp, ifs6_in_deliver); |
in6_ifstat_inc(deliverifp, ifs6_in_deliver); |
nest = 0; |
nest = 0; |
|
|
rh_present = 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++; |
IP6_STATINC(IP6_STAT_TOOMANYHDR); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_hdrerr); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_hdrerr); |
goto bad; |
goto bad; |
} |
} |
Line 752 ip6_input(struct mbuf *m) |
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Line 756 ip6_input(struct mbuf *m) |
|
* more sanity checks in header chain processing. |
* more sanity checks in header chain processing. |
*/ |
*/ |
if (m->m_pkthdr.len < off) { |
if (m->m_pkthdr.len < off) { |
ip6stat.ip6s_tooshort++; |
IP6_STATINC(IP6_STAT_TOOSHORT); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_truncated); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_truncated); |
goto bad; |
goto bad; |
} |
} |
Line 761 ip6_input(struct mbuf *m) |
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Line 765 ip6_input(struct mbuf *m) |
|
if (rh_present++) { |
if (rh_present++) { |
in6_ifstat_inc(m->m_pkthdr.rcvif, |
in6_ifstat_inc(m->m_pkthdr.rcvif, |
ifs6_in_hdrerr); |
ifs6_in_hdrerr); |
ip6stat.ip6s_badoptions++; |
IP6_STATINC(IP6_STAT_BADOPTIONS); |
goto bad; |
goto bad; |
} |
} |
} |
} |
Line 829 ip6_input(struct mbuf *m) |
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Line 833 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(struct mbuf *m, const struct in6_ifaddr *ia) |
{ |
{ |
struct m_tag *mtag; |
struct m_tag *mtag; |
|
|
mtag = ip6_addaux(m); |
mtag = ip6_addaux(m); |
if (mtag) |
if (mtag != NULL) { |
((struct ip6aux *)(mtag + 1))->ip6a_dstia6 = ia6; |
struct ip6aux *ip6a; |
|
|
|
ip6a = (struct ip6aux *)(mtag + 1); |
|
in6_setscope(&ip6a->ip6a_src, ia->ia_ifp, &ip6a->ip6a_scope_id); |
|
ip6a->ip6a_src = ia->ia_addr.sin6_addr; |
|
ip6a->ip6a_flags = ia->ia6_flags; |
|
} |
return mtag; /* NULL if failed to set */ |
return mtag; /* NULL if failed to set */ |
} |
} |
|
|
struct in6_ifaddr * |
const struct ip6aux * |
ip6_getdstifaddr(struct mbuf *m) |
ip6_getdstifaddr(struct mbuf *m) |
{ |
{ |
struct m_tag *mtag; |
struct m_tag *mtag; |
|
|
mtag = ip6_findaux(m); |
mtag = ip6_findaux(m); |
if (mtag) |
if (mtag != NULL) |
return ((struct ip6aux *)(mtag + 1))->ip6a_dstia6; |
return (struct ip6aux *)(mtag + 1); |
else |
else |
return NULL; |
return NULL; |
} |
} |
Line 869 ip6_hopopts_input(u_int32_t *plenp, u_in |
|
Line 879 ip6_hopopts_input(u_int32_t *plenp, u_in |
|
IP6_EXTHDR_GET(hbh, struct ip6_hbh *, m, |
IP6_EXTHDR_GET(hbh, struct ip6_hbh *, m, |
sizeof(struct ip6_hdr), sizeof(struct ip6_hbh)); |
sizeof(struct ip6_hdr), sizeof(struct ip6_hbh)); |
if (hbh == NULL) { |
if (hbh == NULL) { |
ip6stat.ip6s_tooshort++; |
IP6_STATINC(IP6_STAT_TOOSHORT); |
return -1; |
return -1; |
} |
} |
hbhlen = (hbh->ip6h_len + 1) << 3; |
hbhlen = (hbh->ip6h_len + 1) << 3; |
IP6_EXTHDR_GET(hbh, struct ip6_hbh *, m, sizeof(struct ip6_hdr), |
IP6_EXTHDR_GET(hbh, struct ip6_hbh *, m, sizeof(struct ip6_hdr), |
hbhlen); |
hbhlen); |
if (hbh == NULL) { |
if (hbh == NULL) { |
ip6stat.ip6s_tooshort++; |
IP6_STATINC(IP6_STAT_TOOSHORT); |
return -1; |
return -1; |
} |
} |
KASSERT(IP6_HDR_ALIGNED_P(hbh)); |
KASSERT(IP6_HDR_ALIGNED_P(hbh)); |
Line 920 ip6_process_hopopts(struct mbuf *m, u_in |
|
Line 930 ip6_process_hopopts(struct mbuf *m, u_in |
|
break; |
break; |
case IP6OPT_PADN: |
case IP6OPT_PADN: |
if (hbhlen < IP6OPT_MINLEN) { |
if (hbhlen < IP6OPT_MINLEN) { |
ip6stat.ip6s_toosmall++; |
IP6_STATINC(IP6_STAT_TOOSMALL); |
goto bad; |
goto bad; |
} |
} |
optlen = *(opt + 1) + 2; |
optlen = *(opt + 1) + 2; |
Line 928 ip6_process_hopopts(struct mbuf *m, u_in |
|
Line 938 ip6_process_hopopts(struct mbuf *m, u_in |
|
case IP6OPT_RTALERT: |
case IP6OPT_RTALERT: |
/* XXX may need check for alignment */ |
/* XXX may need check for alignment */ |
if (hbhlen < IP6OPT_RTALERT_LEN) { |
if (hbhlen < IP6OPT_RTALERT_LEN) { |
ip6stat.ip6s_toosmall++; |
IP6_STATINC(IP6_STAT_TOOSMALL); |
goto bad; |
goto bad; |
} |
} |
if (*(opt + 1) != IP6OPT_RTALERT_LEN - 2) { |
if (*(opt + 1) != IP6OPT_RTALERT_LEN - 2) { |
Line 945 ip6_process_hopopts(struct mbuf *m, u_in |
|
Line 955 ip6_process_hopopts(struct mbuf *m, u_in |
|
case IP6OPT_JUMBO: |
case IP6OPT_JUMBO: |
/* XXX may need check for alignment */ |
/* XXX may need check for alignment */ |
if (hbhlen < IP6OPT_JUMBO_LEN) { |
if (hbhlen < IP6OPT_JUMBO_LEN) { |
ip6stat.ip6s_toosmall++; |
IP6_STATINC(IP6_STAT_TOOSMALL); |
goto bad; |
goto bad; |
} |
} |
if (*(opt + 1) != IP6OPT_JUMBO_LEN - 2) { |
if (*(opt + 1) != IP6OPT_JUMBO_LEN - 2) { |
Line 963 ip6_process_hopopts(struct mbuf *m, u_in |
|
Line 973 ip6_process_hopopts(struct mbuf *m, u_in |
|
*/ |
*/ |
ip6 = mtod(m, struct ip6_hdr *); |
ip6 = mtod(m, struct ip6_hdr *); |
if (ip6->ip6_plen) { |
if (ip6->ip6_plen) { |
ip6stat.ip6s_badoptions++; |
IP6_STATINC(IP6_STAT_BADOPTIONS); |
icmp6_error(m, ICMP6_PARAM_PROB, |
icmp6_error(m, ICMP6_PARAM_PROB, |
ICMP6_PARAMPROB_HEADER, |
ICMP6_PARAMPROB_HEADER, |
erroff + opt - opthead); |
erroff + opt - opthead); |
Line 987 ip6_process_hopopts(struct mbuf *m, u_in |
|
Line 997 ip6_process_hopopts(struct mbuf *m, u_in |
|
* there's no explicit mention in specification. |
* there's no explicit mention in specification. |
*/ |
*/ |
if (*plenp != 0) { |
if (*plenp != 0) { |
ip6stat.ip6s_badoptions++; |
IP6_STATINC(IP6_STAT_BADOPTIONS); |
icmp6_error(m, ICMP6_PARAM_PROB, |
icmp6_error(m, ICMP6_PARAM_PROB, |
ICMP6_PARAMPROB_HEADER, |
ICMP6_PARAMPROB_HEADER, |
erroff + opt + 2 - opthead); |
erroff + opt + 2 - opthead); |
Line 999 ip6_process_hopopts(struct mbuf *m, u_in |
|
Line 1009 ip6_process_hopopts(struct mbuf *m, u_in |
|
* jumbo payload length must be larger than 65535. |
* jumbo payload length must be larger than 65535. |
*/ |
*/ |
if (jumboplen <= IPV6_MAXPACKET) { |
if (jumboplen <= IPV6_MAXPACKET) { |
ip6stat.ip6s_badoptions++; |
IP6_STATINC(IP6_STAT_BADOPTIONS); |
icmp6_error(m, ICMP6_PARAM_PROB, |
icmp6_error(m, ICMP6_PARAM_PROB, |
ICMP6_PARAMPROB_HEADER, |
ICMP6_PARAMPROB_HEADER, |
erroff + opt + 2 - opthead); |
erroff + opt + 2 - opthead); |
Line 1010 ip6_process_hopopts(struct mbuf *m, u_in |
|
Line 1020 ip6_process_hopopts(struct mbuf *m, u_in |
|
break; |
break; |
default: /* unknown option */ |
default: /* unknown option */ |
if (hbhlen < IP6OPT_MINLEN) { |
if (hbhlen < IP6OPT_MINLEN) { |
ip6stat.ip6s_toosmall++; |
IP6_STATINC(IP6_STAT_TOOSMALL); |
goto bad; |
goto bad; |
} |
} |
optlen = ip6_unknown_opt(opt, m, |
optlen = ip6_unknown_opt(opt, m, |
Line 1047 ip6_unknown_opt(u_int8_t *optp, struct m |
|
Line 1057 ip6_unknown_opt(u_int8_t *optp, struct m |
|
m_freem(m); |
m_freem(m); |
return (-1); |
return (-1); |
case IP6OPT_TYPE_FORCEICMP: /* send ICMP even if multicasted */ |
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); |
icmp6_error(m, ICMP6_PARAM_PROB, ICMP6_PARAMPROB_OPTION, off); |
return (-1); |
return (-1); |
case IP6OPT_TYPE_ICMP: /* send ICMP if not multicasted */ |
case IP6OPT_TYPE_ICMP: /* send ICMP if not multicasted */ |
ip6stat.ip6s_badoptions++; |
IP6_STATINC(IP6_STAT_BADOPTIONS); |
ip6 = mtod(m, struct ip6_hdr *); |
ip6 = mtod(m, struct ip6_hdr *); |
if (IN6_IS_ADDR_MULTICAST(&ip6->ip6_dst) || |
if (IN6_IS_ADDR_MULTICAST(&ip6->ip6_dst) || |
(m->m_flags & (M_BCAST|M_MCAST))) |
(m->m_flags & (M_BCAST|M_MCAST))) |
Line 1166 ip6_savecontrol(struct in6pcb *in6p, str |
|
Line 1176 ip6_savecontrol(struct in6pcb *in6p, str |
|
ext = ip6_pullexthdr(m, sizeof(struct ip6_hdr), |
ext = ip6_pullexthdr(m, sizeof(struct ip6_hdr), |
xip6->ip6_nxt); |
xip6->ip6_nxt); |
if (ext == NULL) { |
if (ext == NULL) { |
ip6stat.ip6s_tooshort++; |
IP6_STATINC(IP6_STAT_TOOSHORT); |
return; |
return; |
} |
} |
hbh = mtod(ext, struct ip6_hbh *); |
hbh = mtod(ext, struct ip6_hbh *); |
hbhlen = (hbh->ip6h_len + 1) << 3; |
hbhlen = (hbh->ip6h_len + 1) << 3; |
if (hbhlen != ext->m_len) { |
if (hbhlen != ext->m_len) { |
m_freem(ext); |
m_freem(ext); |
ip6stat.ip6s_tooshort++; |
IP6_STATINC(IP6_STAT_TOOSHORT); |
return; |
return; |
} |
} |
|
|
Line 1225 ip6_savecontrol(struct in6pcb *in6p, str |
|
Line 1235 ip6_savecontrol(struct in6pcb *in6p, str |
|
|
|
ext = ip6_pullexthdr(m, off, nxt); |
ext = ip6_pullexthdr(m, off, nxt); |
if (ext == NULL) { |
if (ext == NULL) { |
ip6stat.ip6s_tooshort++; |
IP6_STATINC(IP6_STAT_TOOSHORT); |
return; |
return; |
} |
} |
ip6e = mtod(ext, struct ip6_ext *); |
ip6e = mtod(ext, struct ip6_ext *); |
Line 1235 ip6_savecontrol(struct in6pcb *in6p, str |
|
Line 1245 ip6_savecontrol(struct in6pcb *in6p, str |
|
elen = (ip6e->ip6e_len + 1) << 3; |
elen = (ip6e->ip6e_len + 1) << 3; |
if (elen != ext->m_len) { |
if (elen != ext->m_len) { |
m_freem(ext); |
m_freem(ext); |
ip6stat.ip6s_tooshort++; |
IP6_STATINC(IP6_STAT_TOOSHORT); |
return; |
return; |
} |
} |
KASSERT(IP6_HDR_ALIGNED_P(ip6e)); |
KASSERT(IP6_HDR_ALIGNED_P(ip6e)); |
Line 1636 u_char inet6ctlerrmap[PRC_NCMDS] = { |
|
Line 1646 u_char inet6ctlerrmap[PRC_NCMDS] = { |
|
ENOPROTOOPT |
ENOPROTOOPT |
}; |
}; |
|
|
|
static void |
|
ip6stat_convert_to_user_cb(void *v1, void *v2, struct cpu_info *ci) |
|
{ |
|
uint64_t *ip6sc = v1; |
|
uint64_t *ip6s = v2; |
|
u_int i; |
|
|
|
for (i = 0; i < IP6_NSTATS; i++) |
|
ip6s[i] += ip6sc[i]; |
|
} |
|
|
|
static void |
|
ip6stat_convert_to_user(uint64_t *ip6s) |
|
{ |
|
|
|
memset(ip6s, 0, sizeof(uint64_t) * IP6_NSTATS); |
|
percpu_foreach(ip6stat_percpu, ip6stat_convert_to_user_cb, ip6s); |
|
} |
|
|
|
static int |
|
sysctl_net_inet6_ip6_stats(SYSCTLFN_ARGS) |
|
{ |
|
struct sysctlnode node; |
|
uint64_t ip6s[IP6_NSTATS]; |
|
|
|
ip6stat_convert_to_user(ip6s); |
|
node = *rnode; |
|
node.sysctl_data = ip6s; |
|
node.sysctl_size = sizeof(ip6s); |
|
return (sysctl_lookup(SYSCTLFN_CALL(&node))); |
|
} |
|
|
SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, "sysctl net.inet6.ip6 subtree setup") |
SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, "sysctl net.inet6.ip6 subtree setup") |
{ |
{ |
#ifdef RFC2292 |
#ifdef RFC2292 |
Line 1889 SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, |
|
Line 1931 SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, |
|
CTLFLAG_PERMANENT, |
CTLFLAG_PERMANENT, |
CTLTYPE_STRUCT, "stats", |
CTLTYPE_STRUCT, "stats", |
SYSCTL_DESCR("IPv6 statistics"), |
SYSCTL_DESCR("IPv6 statistics"), |
NULL, 0, &ip6stat, sizeof(ip6stat), |
sysctl_net_inet6_ip6_stats, 0, NULL, 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
IPV6CTL_STATS, CTL_EOL); |
IPV6CTL_STATS, CTL_EOL); |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
Line 1923 SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, |
|
Line 1965 SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, |
|
CTL_CREATE, CTL_EOL); |
CTL_CREATE, CTL_EOL); |
#endif |
#endif |
} |
} |
|
|
|
void |
|
ip6_statinc(u_int stat) |
|
{ |
|
|
|
KASSERT(stat < IP6_NSTATS); |
|
IP6_STATINC(stat); |
|
} |