version 1.58, 2014/07/25 07:12:55 |
version 1.61.2.4, 2016/07/09 20:25:22 |
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#include <sys/cdefs.h> |
#include <sys/cdefs.h> |
__KERNEL_RCSID(0, "$NetBSD$"); |
__KERNEL_RCSID(0, "$NetBSD$"); |
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#ifdef _KERNEL_OPT |
#include "opt_inet.h" |
#include "opt_inet.h" |
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#endif |
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#include <sys/param.h> |
#include <sys/param.h> |
#include <sys/systm.h> |
#include <sys/systm.h> |
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ip6_opts.ip6po_hbh = hbh; |
ip6_opts.ip6po_hbh = hbh; |
/* We will specify the hoplimit by a multicast option. */ |
/* We will specify the hoplimit by a multicast option. */ |
ip6_opts.ip6po_hlim = -1; |
ip6_opts.ip6po_hlim = -1; |
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ip6_opts.ip6po_prefer_tempaddr = IP6PO_TEMPADDR_NOTPREFER; |
} |
} |
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static void |
static void |
Line 195 mld_starttimer(struct in6_multi *in6m) |
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Line 198 mld_starttimer(struct in6_multi *in6m) |
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{ |
{ |
struct timeval now; |
struct timeval now; |
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KASSERT(in6m->in6m_timer != IN6M_TIMER_UNDEF); |
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microtime(&now); |
microtime(&now); |
in6m->in6m_timer_expire.tv_sec = now.tv_sec + in6m->in6m_timer / hz; |
in6m->in6m_timer_expire.tv_sec = now.tv_sec + in6m->in6m_timer / hz; |
in6m->in6m_timer_expire.tv_usec = now.tv_usec + |
in6m->in6m_timer_expire.tv_usec = now.tv_usec + |
Line 227 mld_timeo(void *arg) |
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Line 232 mld_timeo(void *arg) |
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mutex_enter(softnet_lock); |
mutex_enter(softnet_lock); |
KERNEL_LOCK(1, NULL); |
KERNEL_LOCK(1, NULL); |
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if (in6m->in6m_timer == IN6M_TIMER_UNDEF) |
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goto out; |
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in6m->in6m_timer = IN6M_TIMER_UNDEF; |
in6m->in6m_timer = IN6M_TIMER_UNDEF; |
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switch (in6m->in6m_state) { |
switch (in6m->in6m_state) { |
Line 238 mld_timeo(void *arg) |
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Line 246 mld_timeo(void *arg) |
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break; |
break; |
} |
} |
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out: |
KERNEL_UNLOCK_ONE(NULL); |
KERNEL_UNLOCK_ONE(NULL); |
mutex_exit(softnet_lock); |
mutex_exit(softnet_lock); |
} |
} |
Line 327 mld_input(struct mbuf *m, int off) |
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Line 336 mld_input(struct mbuf *m, int off) |
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{ |
{ |
struct ip6_hdr *ip6; |
struct ip6_hdr *ip6; |
struct mld_hdr *mldh; |
struct mld_hdr *mldh; |
struct ifnet *ifp = m->m_pkthdr.rcvif; |
struct ifnet *ifp; |
struct in6_multi *in6m = NULL; |
struct in6_multi *in6m = NULL; |
struct in6_addr mld_addr, all_in6; |
struct in6_addr mld_addr, all_in6; |
struct in6_ifaddr *ia; |
struct in6_ifaddr *ia; |
u_long timer = 0; /* timer value in the MLD query header */ |
u_long timer = 0; /* timer value in the MLD query header */ |
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int s; |
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ifp = m_get_rcvif(m, &s); |
IP6_EXTHDR_GET(mldh, struct mld_hdr *, m, off, sizeof(*mldh)); |
IP6_EXTHDR_GET(mldh, struct mld_hdr *, m, off, sizeof(*mldh)); |
if (mldh == NULL) { |
if (mldh == NULL) { |
ICMP6_STATINC(ICMP6_STAT_TOOSHORT); |
ICMP6_STATINC(ICMP6_STAT_TOOSHORT); |
return; |
goto out_nodrop; |
} |
} |
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/* source address validation */ |
/* source address validation */ |
Line 366 mld_input(struct mbuf *m, int off) |
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Line 377 mld_input(struct mbuf *m, int off) |
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"mld_input: src %s is not link-local (grp=%s)\n", |
"mld_input: src %s is not link-local (grp=%s)\n", |
ip6_sprintf(&ip6->ip6_src), ip6_sprintf(&mldh->mld_addr)); |
ip6_sprintf(&ip6->ip6_src), ip6_sprintf(&mldh->mld_addr)); |
#endif |
#endif |
m_freem(m); |
goto out; |
return; |
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} |
} |
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/* |
/* |
Line 376 mld_input(struct mbuf *m, int off) |
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Line 386 mld_input(struct mbuf *m, int off) |
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mld_addr = mldh->mld_addr; |
mld_addr = mldh->mld_addr; |
if (in6_setscope(&mld_addr, ifp, NULL)) { |
if (in6_setscope(&mld_addr, ifp, NULL)) { |
/* XXX: this should not happen! */ |
/* XXX: this should not happen! */ |
m_free(m); |
goto out; |
return; |
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} |
} |
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/* |
/* |
Line 385 mld_input(struct mbuf *m, int off) |
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Line 394 mld_input(struct mbuf *m, int off) |
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* |
* |
* In Non-Listener state, we simply don't have a membership record. |
* In Non-Listener state, we simply don't have a membership record. |
* In Delaying Listener state, our timer is running (in6m->in6m_timer) |
* In Delaying Listener state, our timer is running (in6m->in6m_timer) |
* In Idle Listener state, our timer is not running |
* In Idle Listener state, our timer is not running |
* (in6m->in6m_timer==IN6M_TIMER_UNDEF) |
* (in6m->in6m_timer==IN6M_TIMER_UNDEF) |
* |
* |
* The flag is in6m->in6m_state, it is set to MLD_OTHERLISTENER if |
* The flag is in6m->in6m_state, it is set to MLD_OTHERLISTENER if |
Line 419 mld_input(struct mbuf *m, int off) |
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Line 428 mld_input(struct mbuf *m, int off) |
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*/ |
*/ |
timer = ntohs(mldh->mld_maxdelay); |
timer = ntohs(mldh->mld_maxdelay); |
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IFP_TO_IA6(ifp, ia); |
ia = in6_get_ia_from_ifp(ifp); |
if (ia == NULL) |
if (ia == NULL) |
break; |
break; |
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Line 488 mld_input(struct mbuf *m, int off) |
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Line 497 mld_input(struct mbuf *m, int off) |
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break; |
break; |
} |
} |
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out: |
m_freem(m); |
m_freem(m); |
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out_nodrop: |
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m_put_rcvif(ifp, &s); |
} |
} |
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static void |
static void |
mld_sendpkt(struct in6_multi *in6m, int type, |
mld_sendpkt(struct in6_multi *in6m, int type, |
const struct in6_addr *dst) |
const struct in6_addr *dst) |
{ |
{ |
struct mbuf *mh; |
struct mbuf *mh; |
Line 532 mld_sendpkt(struct in6_multi *in6m, int |
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Line 544 mld_sendpkt(struct in6_multi *in6m, int |
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/* construct multicast option */ |
/* construct multicast option */ |
memset(&im6o, 0, sizeof(im6o)); |
memset(&im6o, 0, sizeof(im6o)); |
im6o.im6o_multicast_ifp = ifp; |
im6o.im6o_multicast_if_index = if_get_index(ifp); |
im6o.im6o_multicast_hlim = 1; |
im6o.im6o_multicast_hlim = 1; |
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/* |
/* |
Line 585 mld_allocbuf(struct mbuf **mh, int len, |
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Line 597 mld_allocbuf(struct mbuf **mh, int len, |
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(*mh)->m_next = md; |
(*mh)->m_next = md; |
md->m_next = NULL; |
md->m_next = NULL; |
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(*mh)->m_pkthdr.rcvif = NULL; |
m_reset_rcvif((*mh)); |
(*mh)->m_pkthdr.len = sizeof(struct ip6_hdr) + len; |
(*mh)->m_pkthdr.len = sizeof(struct ip6_hdr) + len; |
(*mh)->m_len = sizeof(struct ip6_hdr); |
(*mh)->m_len = sizeof(struct ip6_hdr); |
MH_ALIGN(*mh, sizeof(struct ip6_hdr)); |
MH_ALIGN(*mh, sizeof(struct ip6_hdr)); |
Line 613 mld_allocbuf(struct mbuf **mh, int len, |
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Line 625 mld_allocbuf(struct mbuf **mh, int len, |
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* Add an address to the list of IP6 multicast addresses for a given interface. |
* Add an address to the list of IP6 multicast addresses for a given interface. |
*/ |
*/ |
struct in6_multi * |
struct in6_multi * |
in6_addmulti(struct in6_addr *maddr6, struct ifnet *ifp, |
in6_addmulti(struct in6_addr *maddr6, struct ifnet *ifp, |
int *errorp, int timer) |
int *errorp, int timer) |
{ |
{ |
struct in6_ifaddr *ia; |
struct in6_ifaddr *ia; |
Line 649 in6_addmulti(struct in6_addr *maddr6, st |
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Line 661 in6_addmulti(struct in6_addr *maddr6, st |
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in6m->in6m_ifp = ifp; |
in6m->in6m_ifp = ifp; |
in6m->in6m_refcount = 1; |
in6m->in6m_refcount = 1; |
in6m->in6m_timer = IN6M_TIMER_UNDEF; |
in6m->in6m_timer = IN6M_TIMER_UNDEF; |
IFP_TO_IA6(ifp, ia); |
callout_init(&in6m->in6m_timer_ch, CALLOUT_MPSAFE); |
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callout_setfunc(&in6m->in6m_timer_ch, mld_timeo, in6m); |
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ia = in6_get_ia_from_ifp(ifp); |
if (ia == NULL) { |
if (ia == NULL) { |
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callout_destroy(&in6m->in6m_timer_ch); |
free(in6m, M_IPMADDR); |
free(in6m, M_IPMADDR); |
splx(s); |
splx(s); |
*errorp = EADDRNOTAVAIL; /* appropriate? */ |
*errorp = EADDRNOTAVAIL; /* appropriate? */ |
return (NULL); |
return (NULL); |
} |
} |
in6m->in6m_ia = ia; |
in6m->in6m_ia = ia; |
IFAREF(&ia->ia_ifa); /* gain a reference */ |
ifaref(&ia->ia_ifa); /* gain a reference */ |
LIST_INSERT_HEAD(&ia->ia6_multiaddrs, in6m, in6m_entry); |
LIST_INSERT_HEAD(&ia->ia6_multiaddrs, in6m, in6m_entry); |
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/* |
/* |
Line 667 in6_addmulti(struct in6_addr *maddr6, st |
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Line 683 in6_addmulti(struct in6_addr *maddr6, st |
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sockaddr_in6_init(&sin6, maddr6, 0, 0, 0); |
sockaddr_in6_init(&sin6, maddr6, 0, 0, 0); |
*errorp = if_mcast_op(ifp, SIOCADDMULTI, sin6tosa(&sin6)); |
*errorp = if_mcast_op(ifp, SIOCADDMULTI, sin6tosa(&sin6)); |
if (*errorp) { |
if (*errorp) { |
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callout_destroy(&in6m->in6m_timer_ch); |
LIST_REMOVE(in6m, in6m_entry); |
LIST_REMOVE(in6m, in6m_entry); |
free(in6m, M_IPMADDR); |
free(in6m, M_IPMADDR); |
IFAFREE(&ia->ia_ifa); |
ifafree(&ia->ia_ifa); |
splx(s); |
splx(s); |
return (NULL); |
return (NULL); |
} |
} |
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callout_init(&in6m->in6m_timer_ch, CALLOUT_MPSAFE); |
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callout_setfunc(&in6m->in6m_timer_ch, mld_timeo, in6m); |
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in6m->in6m_timer = timer; |
in6m->in6m_timer = timer; |
if (in6m->in6m_timer > 0) { |
if (in6m->in6m_timer > 0) { |
in6m->in6m_state = MLD_REPORTPENDING; |
in6m->in6m_state = MLD_REPORTPENDING; |
Line 719 in6_delmulti(struct in6_multi *in6m) |
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Line 734 in6_delmulti(struct in6_multi *in6m) |
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*/ |
*/ |
LIST_REMOVE(in6m, in6m_entry); |
LIST_REMOVE(in6m, in6m_entry); |
if (in6m->in6m_ia != NULL) { |
if (in6m->in6m_ia != NULL) { |
IFAFREE(&in6m->in6m_ia->ia_ifa); /* release reference */ |
ifafree(&in6m->in6m_ia->ia_ifa); /* release reference */ |
in6m->in6m_ia = NULL; |
in6m->in6m_ia = NULL; |
} |
} |
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Line 727 in6_delmulti(struct in6_multi *in6m) |
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Line 742 in6_delmulti(struct in6_multi *in6m) |
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* Delete all references of this multicasting group from |
* Delete all references of this multicasting group from |
* the membership arrays |
* the membership arrays |
*/ |
*/ |
for (ia = in6_ifaddr; ia; ia = ia->ia_next) { |
IN6_ADDRLIST_READER_FOREACH(ia) { |
struct in6_multi_mship *imm; |
struct in6_multi_mship *imm; |
LIST_FOREACH(imm, &ia->ia6_memberships, i6mm_chain) { |
LIST_FOREACH(imm, &ia->ia6_memberships, i6mm_chain) { |
if (imm->i6mm_maddr == in6m) |
if (imm->i6mm_maddr == in6m) |
Line 741 in6_delmulti(struct in6_multi *in6m) |
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Line 756 in6_delmulti(struct in6_multi *in6m) |
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*/ |
*/ |
sockaddr_in6_init(&sin6, &in6m->in6m_addr, 0, 0, 0); |
sockaddr_in6_init(&sin6, &in6m->in6m_addr, 0, 0, 0); |
if_mcast_op(in6m->in6m_ifp, SIOCDELMULTI, sin6tosa(&sin6)); |
if_mcast_op(in6m->in6m_ifp, SIOCDELMULTI, sin6tosa(&sin6)); |
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/* Tell mld_timeo we're halting the timer */ |
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in6m->in6m_timer = IN6M_TIMER_UNDEF; |
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callout_halt(&in6m->in6m_timer_ch, softnet_lock); |
callout_destroy(&in6m->in6m_timer_ch); |
callout_destroy(&in6m->in6m_timer_ch); |
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free(in6m, M_IPMADDR); |
free(in6m, M_IPMADDR); |
} |
} |
splx(s); |
splx(s); |
Line 749 in6_delmulti(struct in6_multi *in6m) |
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Line 769 in6_delmulti(struct in6_multi *in6m) |
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struct in6_multi_mship * |
struct in6_multi_mship * |
in6_joingroup(struct ifnet *ifp, struct in6_addr *addr, |
in6_joingroup(struct ifnet *ifp, struct in6_addr *addr, |
int *errorp, int timer) |
int *errorp, int timer) |
{ |
{ |
struct in6_multi_mship *imm; |
struct in6_multi_mship *imm; |
Line 793 in6_savemkludge(struct in6_ifaddr *oia) |
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Line 813 in6_savemkludge(struct in6_ifaddr *oia) |
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struct in6_ifaddr *ia; |
struct in6_ifaddr *ia; |
struct in6_multi *in6m; |
struct in6_multi *in6m; |
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IFP_TO_IA6(oia->ia_ifp, ia); |
ia = in6_get_ia_from_ifp(oia->ia_ifp); |
if (ia) { /* there is another address */ |
if (ia) { /* there is another address */ |
KASSERT(ia != oia); |
KASSERT(ia != oia); |
while ((in6m = LIST_FIRST(&oia->ia6_multiaddrs)) != NULL) { |
while ((in6m = LIST_FIRST(&oia->ia6_multiaddrs)) != NULL) { |
LIST_REMOVE(in6m, in6m_entry); |
LIST_REMOVE(in6m, in6m_entry); |
IFAREF(&ia->ia_ifa); |
ifaref(&ia->ia_ifa); |
IFAFREE(&in6m->in6m_ia->ia_ifa); |
ifafree(&in6m->in6m_ia->ia_ifa); |
in6m->in6m_ia = ia; |
in6m->in6m_ia = ia; |
LIST_INSERT_HEAD(&ia->ia6_multiaddrs, in6m, in6m_entry); |
LIST_INSERT_HEAD(&ia->ia6_multiaddrs, in6m, in6m_entry); |
} |
} |
Line 815 in6_savemkludge(struct in6_ifaddr *oia) |
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Line 835 in6_savemkludge(struct in6_ifaddr *oia) |
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while ((in6m = LIST_FIRST(&oia->ia6_multiaddrs)) != NULL) { |
while ((in6m = LIST_FIRST(&oia->ia6_multiaddrs)) != NULL) { |
LIST_REMOVE(in6m, in6m_entry); |
LIST_REMOVE(in6m, in6m_entry); |
IFAFREE(&in6m->in6m_ia->ia_ifa); /* release reference */ |
ifafree(&in6m->in6m_ia->ia_ifa); /* release reference */ |
in6m->in6m_ia = NULL; |
in6m->in6m_ia = NULL; |
LIST_INSERT_HEAD(&mk->mk_head, in6m, in6m_entry); |
LIST_INSERT_HEAD(&mk->mk_head, in6m, in6m_entry); |
} |
} |
Line 842 in6_restoremkludge(struct in6_ifaddr *ia |
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Line 862 in6_restoremkludge(struct in6_ifaddr *ia |
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while ((in6m = LIST_FIRST(&mk->mk_head)) != NULL) { |
while ((in6m = LIST_FIRST(&mk->mk_head)) != NULL) { |
LIST_REMOVE(in6m, in6m_entry); |
LIST_REMOVE(in6m, in6m_entry); |
in6m->in6m_ia = ia; |
in6m->in6m_ia = ia; |
IFAREF(&ia->ia_ifa); |
ifaref(&ia->ia_ifa); |
LIST_INSERT_HEAD(&ia->ia6_multiaddrs, in6m, in6m_entry); |
LIST_INSERT_HEAD(&ia->ia6_multiaddrs, in6m, in6m_entry); |
} |
} |
} |
} |
Line 962 in6_multicast_sysctl(SYSCTLFN_ARGS) |
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Line 982 in6_multicast_sysctl(SYSCTLFN_ARGS) |
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uint32_t tmp; |
uint32_t tmp; |
int error; |
int error; |
size_t written; |
size_t written; |
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struct psref psref; |
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int bound; |
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if (namelen != 1) |
if (namelen != 1) |
return EINVAL; |
return EINVAL; |
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ifp = if_byindex(name[0]); |
bound = curlwp_bind(); |
if (ifp == NULL) |
ifp = if_get_byindex(name[0], &psref); |
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if (ifp == NULL) { |
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curlwp_bindx(bound); |
return ENODEV; |
return ENODEV; |
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} |
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if (oldp == NULL) { |
if (oldp == NULL) { |
*oldlenp = 0; |
*oldlenp = 0; |
IFADDR_FOREACH(ifa, ifp) { |
IFADDR_READER_FOREACH(ifa, ifp) { |
if (ifa->ifa_addr == NULL) |
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continue; |
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if (ifa->ifa_addr->sa_family != AF_INET6) |
if (ifa->ifa_addr->sa_family != AF_INET6) |
continue; |
continue; |
ifa6 = (struct in6_ifaddr *)ifa; |
ifa6 = (struct in6_ifaddr *)ifa; |
Line 983 in6_multicast_sysctl(SYSCTLFN_ARGS) |
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Line 1006 in6_multicast_sysctl(SYSCTLFN_ARGS) |
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sizeof(uint32_t); |
sizeof(uint32_t); |
} |
} |
} |
} |
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if_put(ifp, &psref); |
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curlwp_bindx(bound); |
return 0; |
return 0; |
} |
} |
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error = 0; |
error = 0; |
written = 0; |
written = 0; |
IFADDR_FOREACH(ifa, ifp) { |
IFADDR_READER_FOREACH(ifa, ifp) { |
if (ifa->ifa_addr == NULL) |
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continue; |
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if (ifa->ifa_addr->sa_family != AF_INET6) |
if (ifa->ifa_addr->sa_family != AF_INET6) |
continue; |
continue; |
ifa6 = (struct in6_ifaddr *)ifa; |
ifa6 = (struct in6_ifaddr *)ifa; |
Line 1019 in6_multicast_sysctl(SYSCTLFN_ARGS) |
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Line 1042 in6_multicast_sysctl(SYSCTLFN_ARGS) |
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} |
} |
} |
} |
done: |
done: |
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if_put(ifp, &psref); |
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curlwp_bindx(bound); |
*oldlenp = written; |
*oldlenp = written; |
return error; |
return error; |
} |
} |
Line 1028 SYSCTL_SETUP(sysctl_in6_mklude_setup, "s |
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Line 1053 SYSCTL_SETUP(sysctl_in6_mklude_setup, "s |
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sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT, |
CTLFLAG_PERMANENT, |
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CTLTYPE_NODE, "inet6", NULL, |
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NULL, 0, NULL, 0, |
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CTL_NET, PF_INET6, CTL_EOL); |
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sysctl_createv(clog, 0, NULL, NULL, |
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CTLFLAG_PERMANENT, |
CTLTYPE_NODE, "multicast", |
CTLTYPE_NODE, "multicast", |
SYSCTL_DESCR("Multicast information"), |
SYSCTL_DESCR("Multicast information"), |
in6_multicast_sysctl, 0, NULL, 0, |
in6_multicast_sysctl, 0, NULL, 0, |