version 1.31, 2006/03/05 23:47:08 |
version 1.38, 2007/05/23 17:15:03 |
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hbh_buf[3] = 0; |
hbh_buf[3] = 0; |
hbh_buf[4] = IP6OPT_RTALERT; |
hbh_buf[4] = IP6OPT_RTALERT; |
hbh_buf[5] = IP6OPT_RTALERT_LEN - 2; |
hbh_buf[5] = IP6OPT_RTALERT_LEN - 2; |
bcopy((caddr_t)&rtalert_code, &hbh_buf[6], sizeof(u_int16_t)); |
bcopy((void *)&rtalert_code, &hbh_buf[6], sizeof(u_int16_t)); |
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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. */ |
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} |
} |
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static void |
static void |
mld_starttimer(in6m) |
mld_starttimer(struct in6_multi *in6m) |
struct in6_multi *in6m; |
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{ |
{ |
struct timeval now; |
struct timeval now; |
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Line 209 mld_starttimer(in6m) |
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Line 208 mld_starttimer(in6m) |
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} |
} |
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static void |
static void |
mld_stoptimer(in6m) |
mld_stoptimer(struct in6_multi *in6m) |
struct in6_multi *in6m; |
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{ |
{ |
if (in6m->in6m_timer == IN6M_TIMER_UNDEF) |
if (in6m->in6m_timer == IN6M_TIMER_UNDEF) |
return; |
return; |
Line 221 mld_stoptimer(in6m) |
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Line 219 mld_stoptimer(in6m) |
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} |
} |
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static void |
static void |
mld_timeo(in6m) |
mld_timeo(struct in6_multi *in6m) |
struct in6_multi *in6m; |
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{ |
{ |
int s = splsoftnet(); |
int s = splsoftnet(); |
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} |
} |
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static u_long |
static u_long |
mld_timerresid(in6m) |
mld_timerresid(struct in6_multi *in6m) |
struct in6_multi *in6m; |
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{ |
{ |
struct timeval now, diff; |
struct timeval now, diff; |
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Line 268 mld_timerresid(in6m) |
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Line 264 mld_timerresid(in6m) |
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} |
} |
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static void |
static void |
mld_start_listening(in6m) |
mld_start_listening(struct in6_multi *in6m) |
struct in6_multi *in6m; |
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{ |
{ |
struct in6_addr all_in6; |
struct in6_addr all_in6; |
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Line 301 mld_start_listening(in6m) |
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Line 296 mld_start_listening(in6m) |
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} |
} |
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static void |
static void |
mld_stop_listening(in6m) |
mld_stop_listening(struct in6_multi *in6m) |
struct in6_multi *in6m; |
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{ |
{ |
struct in6_addr allnode, allrouter; |
struct in6_addr allnode, allrouter; |
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Line 326 mld_stop_listening(in6m) |
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Line 320 mld_stop_listening(in6m) |
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} |
} |
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void |
void |
mld_input(m, off) |
mld_input(struct mbuf *m, int off) |
struct mbuf *m; |
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int off; |
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{ |
{ |
struct ip6_hdr *ip6 = mtod(m, struct ip6_hdr *); |
struct ip6_hdr *ip6 = mtod(m, struct ip6_hdr *); |
struct mld_hdr *mldh; |
struct mld_hdr *mldh; |
Line 428 mld_input(m, off) |
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Line 420 mld_input(m, off) |
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if (ia == NULL) |
if (ia == NULL) |
break; |
break; |
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for (in6m = ia->ia6_multiaddrs.lh_first; |
LIST_FOREACH(in6m, &ia->ia6_multiaddrs, in6m_entry) { |
in6m; |
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in6m = in6m->in6m_entry.le_next) |
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{ |
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if (IN6_ARE_ADDR_EQUAL(&in6m->in6m_addr, &all_in6) || |
if (IN6_ARE_ADDR_EQUAL(&in6m->in6m_addr, &all_in6) || |
IPV6_ADDR_MC_SCOPE(&in6m->in6m_addr) < |
IPV6_ADDR_MC_SCOPE(&in6m->in6m_addr) < |
IPV6_ADDR_SCOPE_LINKLOCAL) |
IPV6_ADDR_SCOPE_LINKLOCAL) |
Line 500 mld_input(m, off) |
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Line 489 mld_input(m, off) |
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} |
} |
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static void |
static void |
mld_sendpkt(in6m, type, dst) |
mld_sendpkt(struct in6_multi *in6m, int type, |
struct in6_multi *in6m; |
const struct in6_addr *dst) |
int type; |
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const struct in6_addr *dst; |
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{ |
{ |
struct mbuf *mh; |
struct mbuf *mh; |
struct mld_hdr *mldh; |
struct mld_hdr *mldh; |
Line 571 mld_sendpkt(in6m, type, dst) |
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Line 558 mld_sendpkt(in6m, type, dst) |
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} |
} |
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static struct mld_hdr * |
static struct mld_hdr * |
mld_allocbuf(mh, len, in6m, type) |
mld_allocbuf(struct mbuf **mh, int len, struct in6_multi *in6m, |
struct mbuf **mh; |
int type) |
int len; |
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struct in6_multi *in6m; |
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int type; |
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{ |
{ |
struct mbuf *md; |
struct mbuf *md; |
struct mld_hdr *mldh; |
struct mld_hdr *mldh; |
Line 626 mld_allocbuf(mh, len, in6m, type) |
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Line 610 mld_allocbuf(mh, len, in6m, type) |
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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(maddr6, ifp, errorp, delay) |
in6_addmulti(struct in6_addr *maddr6, struct ifnet *ifp, |
struct in6_addr *maddr6; |
int *errorp, int timer) |
struct ifnet *ifp; |
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int *errorp, delay; |
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{ |
{ |
struct in6_ifaddr *ia; |
struct in6_ifaddr *ia; |
struct in6_ifreq ifr; |
struct in6_ifreq ifr; |
Line 674 in6_addmulti(maddr6, ifp, errorp, delay) |
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Line 656 in6_addmulti(maddr6, ifp, errorp, delay) |
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} |
} |
IFP_TO_IA6(ifp, ia); |
IFP_TO_IA6(ifp, ia); |
if (ia == NULL) { |
if (ia == NULL) { |
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/* leaks in6m_timer_ch */ |
free(in6m, M_IPMADDR); |
free(in6m, M_IPMADDR); |
splx(s); |
splx(s); |
*errorp = EADDRNOTAVAIL; /* appropriate? */ |
*errorp = EADDRNOTAVAIL; /* appropriate? */ |
Line 695 in6_addmulti(maddr6, ifp, errorp, delay) |
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Line 678 in6_addmulti(maddr6, ifp, errorp, delay) |
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*errorp = ENXIO; /* XXX: appropriate? */ |
*errorp = ENXIO; /* XXX: appropriate? */ |
else |
else |
*errorp = (*ifp->if_ioctl)(ifp, SIOCADDMULTI, |
*errorp = (*ifp->if_ioctl)(ifp, SIOCADDMULTI, |
(caddr_t)&ifr); |
(void *)&ifr); |
if (*errorp) { |
if (*errorp) { |
LIST_REMOVE(in6m, in6m_entry); |
LIST_REMOVE(in6m, in6m_entry); |
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/* leaks in6m_timer_ch */ |
free(in6m, M_IPMADDR); |
free(in6m, M_IPMADDR); |
IFAFREE(&ia->ia_ifa); |
IFAFREE(&ia->ia_ifa); |
splx(s); |
splx(s); |
Line 705 in6_addmulti(maddr6, ifp, errorp, delay) |
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Line 689 in6_addmulti(maddr6, ifp, errorp, delay) |
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} |
} |
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callout_init(in6m->in6m_timer_ch); |
callout_init(in6m->in6m_timer_ch); |
in6m->in6m_timer = delay; |
in6m->in6m_timer = timer; |
if (in6m->in6m_timer > 0) { |
if (in6m->in6m_timer > 0) { |
in6m->in6m_state = MLD_REPORTPENDING; |
in6m->in6m_state = MLD_REPORTPENDING; |
mld_starttimer(in6m); |
mld_starttimer(in6m); |
Line 728 in6_addmulti(maddr6, ifp, errorp, delay) |
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Line 712 in6_addmulti(maddr6, ifp, errorp, delay) |
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* Delete a multicast address record. |
* Delete a multicast address record. |
*/ |
*/ |
void |
void |
in6_delmulti(in6m) |
in6_delmulti(struct in6_multi *in6m) |
struct in6_multi *in6m; |
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{ |
{ |
struct in6_ifreq ifr; |
struct in6_ifreq ifr; |
struct in6_ifaddr *ia; |
struct in6_ifaddr *ia; |
Line 748 in6_delmulti(in6m) |
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Line 731 in6_delmulti(in6m) |
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* Unlink from list. |
* Unlink from list. |
*/ |
*/ |
LIST_REMOVE(in6m, in6m_entry); |
LIST_REMOVE(in6m, in6m_entry); |
if (in6m->in6m_ia) { |
if (in6m->in6m_ia != NULL) { |
IFAFREE(&in6m->in6m_ia->ia_ifa); /* release reference */ |
IFAFREE(&in6m->in6m_ia->ia_ifa); /* release reference */ |
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in6m->in6m_ia = NULL; |
} |
} |
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/* |
/* |
Line 758 in6_delmulti(in6m) |
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Line 742 in6_delmulti(in6m) |
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*/ |
*/ |
for (ia = in6_ifaddr; ia; ia = ia->ia_next) { |
for (ia = in6_ifaddr; ia; ia = ia->ia_next) { |
struct in6_multi_mship *imm; |
struct in6_multi_mship *imm; |
LIST_FOREACH(imm, &ia->ia6_memberships, |
LIST_FOREACH(imm, &ia->ia6_memberships, i6mm_chain) { |
i6mm_chain) { |
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if (imm->i6mm_maddr == in6m) |
if (imm->i6mm_maddr == in6m) |
imm->i6mm_maddr = NULL; |
imm->i6mm_maddr = NULL; |
} |
} |
Line 774 in6_delmulti(in6m) |
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Line 757 in6_delmulti(in6m) |
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ifr.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); |
ifr.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); |
ifr.ifr_addr.sin6_addr = in6m->in6m_addr; |
ifr.ifr_addr.sin6_addr = in6m->in6m_addr; |
(*in6m->in6m_ifp->if_ioctl)(in6m->in6m_ifp, |
(*in6m->in6m_ifp->if_ioctl)(in6m->in6m_ifp, |
SIOCDELMULTI, (caddr_t)&ifr); |
SIOCDELMULTI, (void *)&ifr); |
free(in6m->in6m_timer_ch, M_IPMADDR); |
free(in6m->in6m_timer_ch, M_IPMADDR); |
free(in6m, M_IPMADDR); |
free(in6m, M_IPMADDR); |
} |
} |
Line 783 in6_delmulti(in6m) |
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Line 766 in6_delmulti(in6m) |
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struct in6_multi_mship * |
struct in6_multi_mship * |
in6_joingroup(ifp, addr, errorp, delay) |
in6_joingroup(struct ifnet *ifp, struct in6_addr *addr, |
struct ifnet *ifp; |
int *errorp, int timer) |
struct in6_addr *addr; |
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int *errorp, delay; |
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{ |
{ |
struct in6_multi_mship *imm; |
struct in6_multi_mship *imm; |
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Line 797 in6_joingroup(ifp, addr, errorp, delay) |
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Line 778 in6_joingroup(ifp, addr, errorp, delay) |
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} |
} |
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memset(imm, 0, sizeof(*imm)); |
memset(imm, 0, sizeof(*imm)); |
imm->i6mm_maddr = in6_addmulti(addr, ifp, errorp, delay); |
imm->i6mm_maddr = in6_addmulti(addr, ifp, errorp, timer); |
if (!imm->i6mm_maddr) { |
if (!imm->i6mm_maddr) { |
/* *errorp is alrady set */ |
/* *errorp is already set */ |
free(imm, M_IPMADDR); |
free(imm, M_IPMADDR); |
return NULL; |
return NULL; |
} |
} |
Line 807 in6_joingroup(ifp, addr, errorp, delay) |
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Line 788 in6_joingroup(ifp, addr, errorp, delay) |
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} |
} |
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int |
int |
in6_leavegroup(imm) |
in6_leavegroup(struct in6_multi_mship *imm) |
struct in6_multi_mship *imm; |
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{ |
{ |
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if (imm->i6mm_maddr) { |
if (imm->i6mm_maddr) { |
Line 826 in6_leavegroup(imm) |
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Line 806 in6_leavegroup(imm) |
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* such time as this interface is reconfigured for IPv6. |
* such time as this interface is reconfigured for IPv6. |
*/ |
*/ |
void |
void |
in6_savemkludge(oia) |
in6_savemkludge(struct in6_ifaddr *oia) |
struct in6_ifaddr *oia; |
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{ |
{ |
struct in6_ifaddr *ia; |
struct in6_ifaddr *ia; |
struct in6_multi *in6m, *next; |
struct in6_multi *in6m; |
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IFP_TO_IA6(oia->ia_ifp, ia); |
IFP_TO_IA6(oia->ia_ifp, ia); |
if (ia) { /* there is another address */ |
if (ia) { /* there is another address */ |
for (in6m = oia->ia6_multiaddrs.lh_first; in6m; in6m = next) { |
KASSERT(ia != oia); |
next = in6m->in6m_entry.le_next; |
while ((in6m = LIST_FIRST(&oia->ia6_multiaddrs)) != NULL) { |
IFAFREE(&in6m->in6m_ia->ia_ifa); |
LIST_REMOVE(in6m, in6m_entry); |
IFAREF(&ia->ia_ifa); |
IFAREF(&ia->ia_ifa); |
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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); |
} |
} |
} else { /* last address on this if deleted, save */ |
} else { /* last address on this if deleted, save */ |
struct multi6_kludge *mk; |
struct multi6_kludge *mk; |
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for (mk = in6_mk.lh_first; mk; mk = mk->mk_entry.le_next) { |
LIST_FOREACH(mk, &in6_mk, mk_entry) { |
if (mk->mk_ifp == oia->ia_ifp) |
if (mk->mk_ifp == oia->ia_ifp) |
break; |
break; |
} |
} |
if (mk == NULL) /* this should not happen! */ |
if (mk == NULL) /* this should not happen! */ |
panic("in6_savemkludge: no kludge space"); |
panic("in6_savemkludge: no kludge space"); |
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for (in6m = oia->ia6_multiaddrs.lh_first; in6m; in6m = next) { |
while ((in6m = LIST_FIRST(&oia->ia6_multiaddrs)) != NULL) { |
next = in6m->in6m_entry.le_next; |
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 866 in6_savemkludge(oia) |
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Line 846 in6_savemkludge(oia) |
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* then we re-attach it to the first address configured on the i/f. |
* then we re-attach it to the first address configured on the i/f. |
*/ |
*/ |
void |
void |
in6_restoremkludge(ia, ifp) |
in6_restoremkludge(struct in6_ifaddr *ia, struct ifnet *ifp) |
struct in6_ifaddr *ia; |
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struct ifnet *ifp; |
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{ |
{ |
struct multi6_kludge *mk; |
struct multi6_kludge *mk; |
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struct in6_multi *in6m; |
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for (mk = in6_mk.lh_first; mk; mk = mk->mk_entry.le_next) { |
LIST_FOREACH(mk, &in6_mk, mk_entry) { |
if (mk->mk_ifp == ifp) { |
if (mk->mk_ifp == ifp) |
struct in6_multi *in6m, *next; |
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for (in6m = mk->mk_head.lh_first; in6m; in6m = next) { |
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next = in6m->in6m_entry.le_next; |
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in6m->in6m_ia = ia; |
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IFAREF(&ia->ia_ifa); |
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LIST_INSERT_HEAD(&ia->ia6_multiaddrs, |
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in6m, in6m_entry); |
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} |
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LIST_INIT(&mk->mk_head); |
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break; |
break; |
} |
} |
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if (mk == NULL) |
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return; |
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while ((in6m = LIST_FIRST(&mk->mk_head)) != NULL) { |
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LIST_REMOVE(in6m, in6m_entry); |
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in6m->in6m_ia = ia; |
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IFAREF(&ia->ia_ifa); |
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LIST_INSERT_HEAD(&ia->ia6_multiaddrs, in6m, in6m_entry); |
} |
} |
} |
} |
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Line 901 in6_restoremkludge(ia, ifp) |
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Line 877 in6_restoremkludge(ia, ifp) |
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* it is a global function. |
* it is a global function. |
*/ |
*/ |
void |
void |
in6_createmkludge(ifp) |
in6_createmkludge(struct ifnet *ifp) |
struct ifnet *ifp; |
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{ |
{ |
struct multi6_kludge *mk; |
struct multi6_kludge *mk; |
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for (mk = in6_mk.lh_first; mk; mk = mk->mk_entry.le_next) { |
LIST_FOREACH(mk, &in6_mk, mk_entry) { |
/* If we've already had one, do not allocate. */ |
/* If we've already had one, do not allocate. */ |
if (mk->mk_ifp == ifp) |
if (mk->mk_ifp == ifp) |
return; |
return; |
Line 921 in6_createmkludge(ifp) |
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Line 896 in6_createmkludge(ifp) |
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} |
} |
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void |
void |
in6_purgemkludge(ifp) |
in6_purgemkludge(struct ifnet *ifp) |
struct ifnet *ifp; |
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{ |
{ |
struct multi6_kludge *mk; |
struct multi6_kludge *mk; |
struct in6_multi *in6m; |
struct in6_multi *in6m, *next; |
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for (mk = in6_mk.lh_first; mk; mk = mk->mk_entry.le_next) { |
LIST_FOREACH(mk, &in6_mk, mk_entry) { |
if (mk->mk_ifp != ifp) |
if (mk->mk_ifp == ifp) |
continue; |
break; |
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} |
/* leave from all multicast groups joined */ |
if (mk == NULL) |
while ((in6m = LIST_FIRST(&mk->mk_head)) != NULL) { |
return; |
in6_delmulti(in6m); |
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} |
/* leave from all multicast groups joined */ |
LIST_REMOVE(mk, mk_entry); |
for (in6m = LIST_FIRST(&mk->mk_head); in6m != NULL; in6m = next) { |
free(mk, M_IPMADDR); |
next = LIST_NEXT(in6m, in6m_entry); |
break; |
in6_delmulti(in6m); |
} |
} |
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LIST_REMOVE(mk, mk_entry); |
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free(mk, M_IPMADDR); |
} |
} |