version 1.115, 2008/04/08 23:37:43 |
version 1.131, 2011/05/24 18:07:11 |
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#include <sys/cdefs.h> |
#include <sys/cdefs.h> |
__KERNEL_RCSID(0, "$NetBSD$"); |
__KERNEL_RCSID(0, "$NetBSD$"); |
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#include "opt_gateway.h" |
#include "opt_inet.h" |
#include "opt_inet.h" |
#include "opt_inet6.h" |
#include "opt_inet6.h" |
#include "opt_ipsec.h" |
#include "opt_ipsec.h" |
#include "opt_pfil_hooks.h" |
#include "opt_pfil_hooks.h" |
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#include "opt_compat_netbsd.h" |
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#include <sys/param.h> |
#include <sys/param.h> |
#include <sys/systm.h> |
#include <sys/systm.h> |
Line 102 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 104 __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> |
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#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 110 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 113 __KERNEL_RCSID(0, "$NetBSD$"); |
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#ifdef IPSEC |
#ifdef IPSEC |
#include <netinet6/ipsec.h> |
#include <netinet6/ipsec.h> |
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#include <netinet6/ipsec_private.h> |
#endif |
#endif |
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#ifdef FAST_IPSEC |
#ifdef FAST_IPSEC |
Line 118 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 122 __KERNEL_RCSID(0, "$NetBSD$"); |
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#include <netipsec/key.h> |
#include <netipsec/key.h> |
#endif /* FAST_IPSEC */ |
#endif /* FAST_IPSEC */ |
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#ifdef COMPAT_50 |
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#include <compat/sys/time.h> |
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#include <compat/sys/socket.h> |
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#endif |
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#include <netinet6/ip6protosw.h> |
#include <netinet6/ip6protosw.h> |
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#include "faith.h" |
#include "faith.h" |
Line 129 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 138 __KERNEL_RCSID(0, "$NetBSD$"); |
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#include <net/net_osdep.h> |
#include <net/net_osdep.h> |
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extern struct inpcbtable tcbtable; /* XXX include of tcp_var.h no good */ |
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extern struct domain inet6domain; |
extern struct domain inet6domain; |
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u_char ip6_protox[IPPROTO_MAX]; |
u_char ip6_protox[IPPROTO_MAX]; |
Line 146 int ip6_sourcecheck_interval; /* XXX */ |
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Line 157 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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uint64_t ip6stat[IP6_NSTATS]; |
percpu_t *ip6stat_percpu; |
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static void ip6_init2(void *); |
static void ip6_init2(void *); |
static struct m_tag *ip6_setdstifaddr(struct mbuf *, const struct in6_ifaddr *); |
static struct m_tag *ip6_setdstifaddr(struct mbuf *, const struct in6_ifaddr *); |
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static int ip6_hopopts_input(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(struct mbuf *, size_t, int); |
static struct mbuf *ip6_pullexthdr(struct mbuf *, size_t, int); |
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static void sysctl_net_inet6_ip6_setup(struct sysctllog **); |
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/* |
/* |
* IP6 initialization: fill in IP6 protocol switch table. |
* IP6 initialization: fill in IP6 protocol switch table. |
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const struct ip6protosw *pr; |
const struct ip6protosw *pr; |
int i; |
int i; |
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sysctl_net_inet6_ip6_setup(NULL); |
pr = (const struct ip6protosw *)pffindproto(PF_INET6, IPPROTO_RAW, SOCK_RAW); |
pr = (const struct ip6protosw *)pffindproto(PF_INET6, IPPROTO_RAW, SOCK_RAW); |
if (pr == 0) |
if (pr == 0) |
panic("ip6_init"); |
panic("ip6_init"); |
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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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ip6stat_percpu = percpu_alloc(sizeof(uint64_t) * IP6_NSTATS); |
} |
} |
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static void |
static void |
Line 202 ip6_init2(void *dummy) |
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Line 217 ip6_init2(void *dummy) |
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{ |
{ |
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/* nd6_timer_init */ |
/* nd6_timer_init */ |
callout_init(&nd6_timer_ch, 0); |
callout_init(&nd6_timer_ch, CALLOUT_MPSAFE); |
callout_reset(&nd6_timer_ch, hz, nd6_timer, NULL); |
callout_reset(&nd6_timer_ch, hz, nd6_timer, NULL); |
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/* 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_MPSAFE); |
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, |
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int s; |
int s; |
struct mbuf *m; |
struct mbuf *m; |
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mutex_enter(softnet_lock); |
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KERNEL_LOCK(1, NULL); |
for (;;) { |
for (;;) { |
s = splnet(); |
s = splnet(); |
IF_DEQUEUE(&ip6intrq, m); |
IF_DEQUEUE(&ip6intrq, m); |
splx(s); |
splx(s); |
if (m == 0) |
if (m == 0) |
return; |
break; |
/* drop the packet if IPv6 operation is disabled on the IF */ |
/* drop the packet if IPv6 operation is disabled on the IF */ |
if ((ND_IFINFO(m->m_pkthdr.rcvif)->flags & ND6_IFF_IFDISABLED)) { |
if ((ND_IFINFO(m->m_pkthdr.rcvif)->flags & ND6_IFF_IFDISABLED)) { |
m_freem(m); |
m_freem(m); |
return; |
break; |
} |
} |
ip6_input(m); |
ip6_input(m); |
} |
} |
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KERNEL_UNLOCK_ONE(NULL); |
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mutex_exit(softnet_lock); |
} |
} |
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extern struct route ip6_forward_rt; |
extern struct route ip6_forward_rt; |
Line 280 ip6_input(struct mbuf *m) |
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Line 299 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[IP6_STAT_MEXT2M]++; |
IP6_STATINC(IP6_STAT_MEXT2M); |
else |
else |
ip6stat[IP6_STAT_MEXT1]++; |
IP6_STATINC(IP6_STAT_MEXT1); |
} else { |
} else { |
#define M2MMAX 32 |
#define M2MMAX 32 |
if (m->m_next) { |
if (m->m_next) { |
if (m->m_flags & M_LOOP) { |
if (m->m_flags & M_LOOP) { |
/*XXX*/ ip6stat[IP6_STAT_M2M + lo0ifp->if_index]++; |
/*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[IP6_STAT_M2M + |
IP6_STATINC(IP6_STAT_M2M + |
m->m_pkthdr.rcvif->if_index]++; |
m->m_pkthdr.rcvif->if_index); |
} else |
} else |
ip6stat[IP6_STAT_M2M]++; |
IP6_STATINC(IP6_STAT_M2M); |
} else |
} else |
ip6stat[IP6_STAT_M1]++; |
IP6_STATINC(IP6_STAT_M1); |
#undef M2MMAX |
#undef M2MMAX |
} |
} |
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in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_receive); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_receive); |
ip6stat[IP6_STAT_TOTAL]++; |
IP6_STATINC(IP6_STAT_TOTAL); |
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/* |
/* |
* 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 312 ip6_input(struct mbuf *m) |
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Line 331 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[IP6_STAT_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[IP6_STAT_TOOSMALL]++; |
IP6_STATINC(IP6_STAT_TOOSMALL); |
in6_ifstat_inc(inifp, ifs6_in_hdrerr); |
in6_ifstat_inc(inifp, ifs6_in_hdrerr); |
return; |
return; |
} |
} |
Line 328 ip6_input(struct mbuf *m) |
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Line 347 ip6_input(struct mbuf *m) |
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ip6 = mtod(m, struct ip6_hdr *); |
ip6 = mtod(m, struct ip6_hdr *); |
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if ((ip6->ip6_vfc & IPV6_VERSION_MASK) != IPV6_VERSION) { |
if ((ip6->ip6_vfc & IPV6_VERSION_MASK) != IPV6_VERSION) { |
ip6stat[IP6_STAT_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 377 ip6_input(struct mbuf *m) |
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Line 396 ip6_input(struct mbuf *m) |
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} |
} |
#endif /* PFIL_HOOKS */ |
#endif /* PFIL_HOOKS */ |
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ip6stat[IP6_STAT_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 394 ip6_input(struct mbuf *m) |
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Line 413 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[IP6_STAT_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 412 ip6_input(struct mbuf *m) |
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Line 431 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[IP6_STAT_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 426 ip6_input(struct mbuf *m) |
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Line 445 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[IP6_STAT_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 447 ip6_input(struct mbuf *m) |
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Line 466 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[IP6_STAT_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[IP6_STAT_BADSCOPE]++; |
IP6_STATINC(IP6_STAT_BADSCOPE); |
goto bad; |
goto bad; |
} |
} |
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Line 471 ip6_input(struct mbuf *m) |
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Line 490 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[IP6_STAT_NOTMEMBER]++; |
uint64_t *ip6s = IP6_STAT_GETREF(); |
ip6stat[IP6_STAT_CANTFORWARD]++; |
ip6s[IP6_STAT_NOTMEMBER]++; |
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ip6s[IP6_STAT_CANTFORWARD]++; |
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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 487 ip6_input(struct mbuf *m) |
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Line 508 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[IP6_STAT_FORWARD_CACHEHIT]++; |
IP6_STATINC(IP6_STAT_FORWARD_CACHEHIT); |
else |
else |
ip6stat[IP6_STAT_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 579 ip6_input(struct mbuf *m) |
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Line 600 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[IP6_STAT_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 634 ip6_input(struct mbuf *m) |
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Line 655 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[IP6_STAT_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 645 ip6_input(struct mbuf *m) |
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Line 666 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[IP6_STAT_TOOSHORT]++; |
IP6_STATINC(IP6_STAT_TOOSHORT); |
return; |
return; |
} |
} |
KASSERT(IP6_HDR_ALIGNED_P(hbh)); |
KASSERT(IP6_HDR_ALIGNED_P(hbh)); |
Line 667 ip6_input(struct mbuf *m) |
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Line 688 ip6_input(struct mbuf *m) |
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* 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[IP6_STAT_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 692 ip6_input(struct mbuf *m) |
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Line 713 ip6_input(struct mbuf *m) |
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* 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[IP6_STAT_CANTFORWARD]++; |
IP6_STATINC(IP6_STAT_CANTFORWARD); |
m_freem(m); |
m_freem(m); |
return; |
return; |
} |
} |
Line 718 ip6_input(struct mbuf *m) |
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Line 739 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[IP6_STAT_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 734 ip6_input(struct mbuf *m) |
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Line 755 ip6_input(struct mbuf *m) |
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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[IP6_STAT_DELIVERED]++; |
IP6_STATINC(IP6_STAT_DELIVERED); |
in6_ifstat_inc(deliverifp, ifs6_in_deliver); |
in6_ifstat_inc(deliverifp, ifs6_in_deliver); |
nest = 0; |
nest = 0; |
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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[IP6_STAT_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 751 ip6_input(struct mbuf *m) |
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Line 772 ip6_input(struct mbuf *m) |
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* 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[IP6_STAT_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 760 ip6_input(struct mbuf *m) |
|
Line 781 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[IP6_STAT_BADOPTIONS]++; |
IP6_STATINC(IP6_STAT_BADOPTIONS); |
goto bad; |
goto bad; |
} |
} |
} |
} |
Line 773 ip6_input(struct mbuf *m) |
|
Line 794 ip6_input(struct mbuf *m) |
|
*/ |
*/ |
if ((inet6sw[ip6_protox[nxt]].pr_flags & PR_LASTHDR) != 0 && |
if ((inet6sw[ip6_protox[nxt]].pr_flags & PR_LASTHDR) != 0 && |
ipsec6_in_reject(m, NULL)) { |
ipsec6_in_reject(m, NULL)) { |
ipsec6stat.in_polvio++; |
IPSEC6_STATINC(IPSEC_STAT_IN_POLVIO); |
goto bad; |
goto bad; |
} |
} |
#endif |
#endif |
Line 874 ip6_hopopts_input(u_int32_t *plenp, u_in |
|
Line 895 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[IP6_STAT_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[IP6_STAT_TOOSHORT]++; |
IP6_STATINC(IP6_STAT_TOOSHORT); |
return -1; |
return -1; |
} |
} |
KASSERT(IP6_HDR_ALIGNED_P(hbh)); |
KASSERT(IP6_HDR_ALIGNED_P(hbh)); |
Line 925 ip6_process_hopopts(struct mbuf *m, u_in |
|
Line 946 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[IP6_STAT_TOOSMALL]++; |
IP6_STATINC(IP6_STAT_TOOSMALL); |
goto bad; |
goto bad; |
} |
} |
optlen = *(opt + 1) + 2; |
optlen = *(opt + 1) + 2; |
Line 933 ip6_process_hopopts(struct mbuf *m, u_in |
|
Line 954 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[IP6_STAT_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 944 ip6_process_hopopts(struct mbuf *m, u_in |
|
Line 965 ip6_process_hopopts(struct mbuf *m, u_in |
|
return (-1); |
return (-1); |
} |
} |
optlen = IP6OPT_RTALERT_LEN; |
optlen = IP6OPT_RTALERT_LEN; |
bcopy((void *)(opt + 2), (void *)&rtalert_val, 2); |
memcpy((void *)&rtalert_val, (void *)(opt + 2), 2); |
*rtalertp = ntohs(rtalert_val); |
*rtalertp = ntohs(rtalert_val); |
break; |
break; |
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[IP6_STAT_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 968 ip6_process_hopopts(struct mbuf *m, u_in |
|
Line 989 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[IP6_STAT_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 979 ip6_process_hopopts(struct mbuf *m, u_in |
|
Line 1000 ip6_process_hopopts(struct mbuf *m, u_in |
|
* We may see jumbolen in unaligned location, so |
* We may see jumbolen in unaligned location, so |
* we'd need to perform bcopy(). |
* we'd need to perform bcopy(). |
*/ |
*/ |
bcopy(opt + 2, &jumboplen, sizeof(jumboplen)); |
memcpy(&jumboplen, opt + 2, sizeof(jumboplen)); |
jumboplen = (u_int32_t)htonl(jumboplen); |
jumboplen = (u_int32_t)htonl(jumboplen); |
|
|
#if 1 |
#if 1 |
Line 992 ip6_process_hopopts(struct mbuf *m, u_in |
|
Line 1013 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[IP6_STAT_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 1004 ip6_process_hopopts(struct mbuf *m, u_in |
|
Line 1025 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[IP6_STAT_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 1015 ip6_process_hopopts(struct mbuf *m, u_in |
|
Line 1036 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[IP6_STAT_TOOSMALL]++; |
IP6_STATINC(IP6_STAT_TOOSMALL); |
goto bad; |
goto bad; |
} |
} |
optlen = ip6_unknown_opt(opt, m, |
optlen = ip6_unknown_opt(opt, m, |
Line 1052 ip6_unknown_opt(u_int8_t *optp, struct m |
|
Line 1073 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[IP6_STAT_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[IP6_STAT_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 1092 ip6_savecontrol(struct in6pcb *in6p, str |
|
Line 1113 ip6_savecontrol(struct in6pcb *in6p, str |
|
#define IS2292(x, y) (y) |
#define IS2292(x, y) (y) |
#endif |
#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; |
struct timeval tv; |
|
|
microtime(&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), |
*mp = sbcreatecontrol((void *) &tv, sizeof(tv), |
SCM_TIMESTAMP, SOL_SOCKET); |
SCM_TIMESTAMP, SOL_SOCKET); |
if (*mp) |
if (*mp) |
mp = &(*mp)->m_next; |
mp = &(*mp)->m_next; |
} |
} |
#endif |
|
|
|
/* some OSes call this logic with IPv4 packet, for SO_TIMESTAMP */ |
/* some OSes call this logic with IPv4 packet, for SO_TIMESTAMP */ |
if ((ip6->ip6_vfc & IPV6_VERSION_MASK) != IPV6_VERSION) |
if ((ip6->ip6_vfc & IPV6_VERSION_MASK) != IPV6_VERSION) |
Line 1112 ip6_savecontrol(struct in6pcb *in6p, str |
|
Line 1143 ip6_savecontrol(struct in6pcb *in6p, str |
|
if ((in6p->in6p_flags & IN6P_PKTINFO) != 0) { |
if ((in6p->in6p_flags & IN6P_PKTINFO) != 0) { |
struct in6_pktinfo pi6; |
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 */ |
in6_clearscope(&pi6.ipi6_addr); /* XXX */ |
pi6.ipi6_ifindex = m->m_pkthdr.rcvif ? |
pi6.ipi6_ifindex = m->m_pkthdr.rcvif ? |
m->m_pkthdr.rcvif->if_index : 0; |
m->m_pkthdr.rcvif->if_index : 0; |
Line 1171 ip6_savecontrol(struct in6pcb *in6p, str |
|
Line 1202 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[IP6_STAT_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[IP6_STAT_TOOSHORT]++; |
IP6_STATINC(IP6_STAT_TOOSHORT); |
return; |
return; |
} |
} |
|
|
Line 1230 ip6_savecontrol(struct in6pcb *in6p, str |
|
Line 1261 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[IP6_STAT_TOOSHORT]++; |
IP6_STATINC(IP6_STAT_TOOSHORT); |
return; |
return; |
} |
} |
ip6e = mtod(ext, struct ip6_ext *); |
ip6e = mtod(ext, struct ip6_ext *); |
Line 1240 ip6_savecontrol(struct in6pcb *in6p, str |
|
Line 1271 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[IP6_STAT_TOOSHORT]++; |
IP6_STATINC(IP6_STAT_TOOSHORT); |
return; |
return; |
} |
} |
KASSERT(IP6_HDR_ALIGNED_P(ip6e)); |
KASSERT(IP6_HDR_ALIGNED_P(ip6e)); |
|
|
switch (nxt) { |
switch (nxt) { |
case IPPROTO_DSTOPTS: |
case IPPROTO_DSTOPTS: |
if (!in6p->in6p_flags & IN6P_DSTOPTS) |
if (!(in6p->in6p_flags & IN6P_DSTOPTS)) |
break; |
break; |
|
|
*mp = sbcreatecontrol((void *)ip6e, elen, |
*mp = sbcreatecontrol((void *)ip6e, elen, |
Line 1258 ip6_savecontrol(struct in6pcb *in6p, str |
|
Line 1289 ip6_savecontrol(struct in6pcb *in6p, str |
|
break; |
break; |
|
|
case IPPROTO_ROUTING: |
case IPPROTO_ROUTING: |
if (!in6p->in6p_flags & IN6P_RTHDR) |
if (!(in6p->in6p_flags & IN6P_RTHDR)) |
break; |
break; |
|
|
*mp = sbcreatecontrol((void *)ip6e, elen, |
*mp = sbcreatecontrol((void *)ip6e, elen, |
Line 1552 ip6_addaux(struct mbuf *m) |
|
Line 1583 ip6_addaux(struct mbuf *m) |
|
M_NOWAIT); |
M_NOWAIT); |
if (mtag) { |
if (mtag) { |
m_tag_prepend(m, mtag); |
m_tag_prepend(m, mtag); |
bzero(mtag + 1, sizeof(struct ip6aux)); |
memset(mtag + 1, 0, sizeof(struct ip6aux)); |
} |
} |
} |
} |
return mtag; |
return mtag; |
Line 1585 ip6_delaux(struct mbuf *m) |
|
Line 1616 ip6_delaux(struct mbuf *m) |
|
static int |
static int |
sysctl_net_inet6_ip6_maxflows(SYSCTLFN_ARGS) |
sysctl_net_inet6_ip6_maxflows(SYSCTLFN_ARGS) |
{ |
{ |
int s; |
int error; |
|
|
s = sysctl_lookup(SYSCTLFN_CALL(rnode)); |
error = sysctl_lookup(SYSCTLFN_CALL(rnode)); |
if (s || newp == NULL) |
if (error || newp == NULL) |
return (s); |
return (error); |
|
|
s = splsoftnet(); |
mutex_enter(softnet_lock); |
ip6flow_reap(0); |
KERNEL_LOCK(1, NULL); |
splx(s); |
|
|
ip6flow_reap(0); |
|
|
|
KERNEL_UNLOCK_ONE(NULL); |
|
mutex_exit(softnet_lock); |
|
|
return (0); |
return (0); |
} |
} |
|
|
static int |
static int |
Line 1615 sysctl_net_inet6_ip6_hashsize(SYSCTLFN_A |
|
Line 1650 sysctl_net_inet6_ip6_hashsize(SYSCTLFN_A |
|
/* |
/* |
* Can only fail due to malloc() |
* Can only fail due to malloc() |
*/ |
*/ |
if (ip6flow_invalidate_all(tmp)) |
mutex_enter(softnet_lock); |
return ENOMEM; |
KERNEL_LOCK(1, NULL); |
|
|
|
error = ip6flow_invalidate_all(tmp); |
|
|
|
KERNEL_UNLOCK_ONE(NULL); |
|
mutex_exit(softnet_lock); |
} else { |
} else { |
/* |
/* |
* EINVAL if not a power of 2 |
* EINVAL if not a power of 2 |
*/ |
*/ |
return EINVAL; |
error = EINVAL; |
} |
} |
|
|
return (0); |
return error; |
} |
} |
#endif /* GATEWAY */ |
#endif /* GATEWAY */ |
|
|
Line 1632 sysctl_net_inet6_ip6_hashsize(SYSCTLFN_A |
|
Line 1672 sysctl_net_inet6_ip6_hashsize(SYSCTLFN_A |
|
* System control for IP6 |
* System control for IP6 |
*/ |
*/ |
|
|
u_char inet6ctlerrmap[PRC_NCMDS] = { |
const u_char inet6ctlerrmap[PRC_NCMDS] = { |
0, 0, 0, 0, |
0, 0, 0, 0, |
0, EMSGSIZE, EHOSTDOWN, EHOSTUNREACH, |
0, EMSGSIZE, EHOSTDOWN, EHOSTUNREACH, |
EHOSTUNREACH, EHOSTUNREACH, ECONNREFUSED, ECONNREFUSED, |
EHOSTUNREACH, EHOSTUNREACH, ECONNREFUSED, ECONNREFUSED, |
Line 1641 u_char inet6ctlerrmap[PRC_NCMDS] = { |
|
Line 1681 u_char inet6ctlerrmap[PRC_NCMDS] = { |
|
ENOPROTOOPT |
ENOPROTOOPT |
}; |
}; |
|
|
SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, "sysctl net.inet6.ip6 subtree setup") |
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 |
#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 1747 SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, |
|
Line 1795 SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, |
|
IPV6CTL_ACCEPT_RTADV, CTL_EOL); |
IPV6CTL_ACCEPT_RTADV, CTL_EOL); |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
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", |
CTLTYPE_INT, "keepfaith", |
SYSCTL_DESCR("Activate faith interface"), |
SYSCTL_DESCR("Activate faith interface"), |
NULL, 0, &ip6_keepfaith, 0, |
NULL, 0, &ip6_keepfaith, 0, |
Line 1894 SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, |
|
Line 1956 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 1928 SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, |
|
Line 1990 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); |
|
} |