version 1.36, 2006/11/29 03:05:12 |
version 1.46, 2008/05/22 01:06:40 |
Line 110 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 110 __KERNEL_RCSID(0, "$NetBSD$"); |
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#include <sys/systm.h> |
#include <sys/systm.h> |
#include <sys/mbuf.h> |
#include <sys/mbuf.h> |
#include <sys/socket.h> |
#include <sys/socket.h> |
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#include <sys/socketvar.h> |
#include <sys/protosw.h> |
#include <sys/protosw.h> |
#include <sys/syslog.h> |
#include <sys/syslog.h> |
#include <sys/sysctl.h> |
#include <sys/sysctl.h> |
Line 125 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 126 __KERNEL_RCSID(0, "$NetBSD$"); |
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#include <netinet6/ip6_var.h> |
#include <netinet6/ip6_var.h> |
#include <netinet6/scope6_var.h> |
#include <netinet6/scope6_var.h> |
#include <netinet/icmp6.h> |
#include <netinet/icmp6.h> |
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#include <netinet6/icmp6_private.h> |
#include <netinet6/mld6_var.h> |
#include <netinet6/mld6_var.h> |
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#include <net/net_osdep.h> |
#include <net/net_osdep.h> |
Line 163 static struct mld_hdr * mld_allocbuf(str |
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Line 165 static struct mld_hdr * mld_allocbuf(str |
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static void mld_sendpkt(struct in6_multi *, int, const struct in6_addr *); |
static void mld_sendpkt(struct in6_multi *, int, const struct in6_addr *); |
static void mld_starttimer(struct in6_multi *); |
static void mld_starttimer(struct in6_multi *); |
static void mld_stoptimer(struct in6_multi *); |
static void mld_stoptimer(struct in6_multi *); |
static void mld_timeo(struct in6_multi *); |
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static u_long mld_timerresid(struct in6_multi *); |
static u_long mld_timerresid(struct in6_multi *); |
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void |
void |
mld_init() |
mld_init(void) |
{ |
{ |
static u_int8_t hbh_buf[8]; |
static u_int8_t hbh_buf[8]; |
struct ip6_hbh *hbh = (struct ip6_hbh *)hbh_buf; |
struct ip6_hbh *hbh = (struct ip6_hbh *)hbh_buf; |
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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 204 mld_starttimer(in6m) |
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Line 204 mld_starttimer(in6m) |
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} |
} |
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/* start or restart the timer */ |
/* start or restart the timer */ |
callout_reset(in6m->in6m_timer_ch, in6m->in6m_timer, |
callout_schedule(&in6m->in6m_timer_ch, in6m->in6m_timer); |
(void (*) __P((void *)))mld_timeo, 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; |
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callout_stop(in6m->in6m_timer_ch); |
callout_stop(&in6m->in6m_timer_ch); |
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in6m->in6m_timer = IN6M_TIMER_UNDEF; |
in6m->in6m_timer = IN6M_TIMER_UNDEF; |
} |
} |
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static void |
static void |
mld_timeo(in6m) |
mld_timeo(void *arg) |
struct in6_multi *in6m; |
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{ |
{ |
int s = splsoftnet(); |
struct in6_multi *in6m = arg; |
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in6m->in6m_timer = IN6M_TIMER_UNDEF; |
mutex_enter(softnet_lock); |
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KERNEL_LOCK(1, NULL); |
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callout_stop(in6m->in6m_timer_ch); |
in6m->in6m_timer = IN6M_TIMER_UNDEF; |
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switch (in6m->in6m_state) { |
switch (in6m->in6m_state) { |
case MLD_REPORTPENDING: |
case MLD_REPORTPENDING: |
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break; |
break; |
} |
} |
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splx(s); |
KERNEL_UNLOCK_ONE(NULL); |
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mutex_exit(softnet_lock); |
} |
} |
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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 266 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 298 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 322 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 340 mld_input(m, off) |
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Line 334 mld_input(m, off) |
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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) { |
icmp6stat.icp6s_tooshort++; |
ICMP6_STATINC(ICMP6_STAT_TOOSHORT); |
return; |
return; |
} |
} |
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Line 497 mld_input(m, off) |
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Line 491 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 549 mld_sendpkt(in6m, type, dst) |
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Line 541 mld_sendpkt(in6m, type, dst) |
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im6o.im6o_multicast_loop = (ip6_mrouter != NULL); |
im6o.im6o_multicast_loop = (ip6_mrouter != NULL); |
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/* increment output statictics */ |
/* increment output statictics */ |
icmp6stat.icp6s_outhist[type]++; |
ICMP6_STATINC(ICMP6_STAT_OUTHIST + type); |
icmp6_ifstat_inc(ifp, ifs6_out_msg); |
icmp6_ifstat_inc(ifp, ifs6_out_msg); |
switch (type) { |
switch (type) { |
case MLD_LISTENER_QUERY: |
case MLD_LISTENER_QUERY: |
Line 620 mld_allocbuf(struct mbuf **mh, int len, |
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Line 612 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(maddr6, ifp, errorp, timer) |
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, timer; |
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{ |
{ |
struct in6_ifaddr *ia; |
struct in6_ifaddr *ia; |
struct in6_ifreq ifr; |
struct in6_ifreq ifr; |
Line 659 in6_addmulti(maddr6, ifp, errorp, timer) |
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Line 649 in6_addmulti(maddr6, ifp, errorp, timer) |
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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; |
in6m->in6m_timer_ch = |
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malloc(sizeof(*in6m->in6m_timer_ch), M_IPMADDR, M_NOWAIT); |
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if (in6m->in6m_timer_ch == NULL) { |
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free(in6m, M_IPMADDR); |
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splx(s); |
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return (NULL); |
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} |
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IFP_TO_IA6(ifp, ia); |
IFP_TO_IA6(ifp, ia); |
if (ia == NULL) { |
if (ia == NULL) { |
/* leaks in6m_timer_ch */ |
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free(in6m, M_IPMADDR); |
free(in6m, M_IPMADDR); |
splx(s); |
splx(s); |
*errorp = EADDRNOTAVAIL; /* appropriate? */ |
*errorp = EADDRNOTAVAIL; /* appropriate? */ |
Line 682 in6_addmulti(maddr6, ifp, errorp, timer) |
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Line 664 in6_addmulti(maddr6, ifp, errorp, timer) |
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* Ask the network driver to update its multicast reception |
* Ask the network driver to update its multicast reception |
* filter appropriately for the new address. |
* filter appropriately for the new address. |
*/ |
*/ |
memset(&ifr.ifr_addr, 0, sizeof(struct sockaddr_in6)); |
sockaddr_in6_init(&ifr.ifr_addr, maddr6, 0, 0, 0); |
ifr.ifr_addr.sin6_family = AF_INET6; |
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ifr.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); |
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ifr.ifr_addr.sin6_addr = *maddr6; |
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if (ifp->if_ioctl == NULL) |
if (ifp->if_ioctl == NULL) |
*errorp = ENXIO; /* XXX: appropriate? */ |
*errorp = ENXIO; /* XXX: appropriate? */ |
else |
else |
*errorp = (*ifp->if_ioctl)(ifp, SIOCADDMULTI, |
*errorp = (*ifp->if_ioctl)(ifp, SIOCADDMULTI, &ifr); |
(caddr_t)&ifr); |
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if (*errorp) { |
if (*errorp) { |
LIST_REMOVE(in6m, in6m_entry); |
LIST_REMOVE(in6m, in6m_entry); |
/* leaks in6m_timer_ch */ |
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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_init(&in6m->in6m_timer_ch, CALLOUT_MPSAFE); |
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callout_setfunc(&in6m->in6m_timer_ch, mld_timeo, in6m); |
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 724 in6_addmulti(maddr6, ifp, errorp, timer) |
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Line 702 in6_addmulti(maddr6, ifp, errorp, timer) |
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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 765 in6_delmulti(in6m) |
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Line 742 in6_delmulti(in6m) |
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* Notify the network driver to update its multicast |
* Notify the network driver to update its multicast |
* reception filter. |
* reception filter. |
*/ |
*/ |
memset(&ifr.ifr_addr, 0, sizeof(struct sockaddr_in6)); |
sockaddr_in6_init(&ifr.ifr_addr, &in6m->in6m_addr, 0, 0, 0); |
ifr.ifr_addr.sin6_family = AF_INET6; |
(*in6m->in6m_ifp->if_ioctl)(in6m->in6m_ifp, SIOCDELMULTI, &ifr); |
ifr.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); |
callout_destroy(&in6m->in6m_timer_ch); |
ifr.ifr_addr.sin6_addr = in6m->in6m_addr; |
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(*in6m->in6m_ifp->if_ioctl)(in6m->in6m_ifp, |
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SIOCDELMULTI, (caddr_t)&ifr); |
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free(in6m->in6m_timer_ch, M_IPMADDR); |
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free(in6m, M_IPMADDR); |
free(in6m, M_IPMADDR); |
} |
} |
splx(s); |
splx(s); |
Line 779 in6_delmulti(in6m) |
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Line 752 in6_delmulti(in6m) |
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struct in6_multi_mship * |
struct in6_multi_mship * |
in6_joingroup(ifp, addr, errorp, timer) |
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, timer; |
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{ |
{ |
struct in6_multi_mship *imm; |
struct in6_multi_mship *imm; |
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Line 803 in6_joingroup(ifp, addr, errorp, timer) |
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Line 774 in6_joingroup(ifp, addr, errorp, timer) |
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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 822 in6_leavegroup(imm) |
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Line 792 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; |
struct in6_multi *in6m; |
Line 863 in6_savemkludge(oia) |
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Line 832 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; |
struct in6_multi *in6m; |
struct in6_multi *in6m; |
Line 896 in6_restoremkludge(ia, ifp) |
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Line 863 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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Line 916 in6_createmkludge(ifp) |
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Line 882 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, *next; |
struct in6_multi *in6m, *next; |