diff options
Diffstat (limited to 'sys/netinet/ip_mroute.c')
| -rw-r--r-- | sys/netinet/ip_mroute.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sys/netinet/ip_mroute.c b/sys/netinet/ip_mroute.c index 6a50ef0..2f38d5e 100644 --- a/sys/netinet/ip_mroute.c +++ b/sys/netinet/ip_mroute.c @@ -200,6 +200,11 @@ SYSCTL_STRUCT(_net_inet_pim, PIMCTL_STATS, stats, CTLFLAG_RD, &pimstat, pimstat, "PIM Statistics (struct pimstat, netinet/pim_var.h)"); +static u_long pim_squelch_wholepkt = 0; +SYSCTL_ULONG(_net_inet_pim, OID_AUTO, squelch_wholepkt, CTLFLAG_RW, + &pim_squelch_wholepkt, 0, + "Disable IGMP_WHOLEPKT notifications if rendezvous point is unspecified"); + extern struct domain inetdomain; struct protosw in_pim_protosw = { .pr_type = SOCK_RAW, @@ -2522,6 +2527,14 @@ pim_register_send(struct ip *ip, struct vif *vifp, if (mrtdebug & DEBUG_PIM) log(LOG_DEBUG, "pim_register_send: "); + /* + * Do not send IGMP_WHOLEPKT notifications to userland, if the + * rendezvous point was unspecified, and we were told not to. + */ + if (pim_squelch_wholepkt != 0 && (mrt_api_config & MRT_MFC_RP) && + (rt->mfc_rp.s_addr == INADDR_ANY)) + return 0; + mb_copy = pim_register_prepare(ip, m); if (mb_copy == NULL) return ENOBUFS; @@ -2991,6 +3004,8 @@ ip_mroute_modevent(module_t mod, int type, void *unused) MFC_LOCK_INIT(); VIF_LOCK_INIT(); ip_mrouter_reset(); + TUNABLE_ULONG_FETCH("net.inet.pim.squelch_wholepkt", + &pim_squelch_wholepkt); pim_encap_cookie = encap_attach_func(AF_INET, IPPROTO_PIM, pim_encapcheck, &in_pim_protosw, NULL); if (pim_encap_cookie == NULL) { |
