diff options
Diffstat (limited to 'pimd/pim_mroute.c')
| -rw-r--r-- | pimd/pim_mroute.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/pimd/pim_mroute.c b/pimd/pim_mroute.c index c69e2939e4..436e0508f3 100644 --- a/pimd/pim_mroute.c +++ b/pimd/pim_mroute.c @@ -154,12 +154,12 @@ static int pim_mroute_msg_nocache(int fd, struct interface *ifp, * the Interface type is SSM we don't need to * do anything here */ - if (!rpg || (pim_rpf_addr_is_inaddr_none(rpg)) - || (!(PIM_I_am_DR(pim_ifp)))) { + if (!rpg || pim_rpf_addr_is_inaddr_none(rpg)) { if (PIM_DEBUG_MROUTE_DETAIL) zlog_debug( - "%s: Interface is not configured correctly to handle incoming packet: Could be !DR, !pim_ifp, !SM, !RP", + "%s: Interface is not configured correctly to handle incoming packet: Could be !pim_ifp, !SM, !RP", __PRETTY_FUNCTION__); + return 0; } @@ -179,6 +179,26 @@ static int pim_mroute_msg_nocache(int fd, struct interface *ifp, sg.src = msg->im_src; sg.grp = msg->im_dst; + if (!(PIM_I_am_DR(pim_ifp))) { + struct channel_oil *c_oil; + + if (PIM_DEBUG_MROUTE_DETAIL) + zlog_debug("%s: Interface is not the DR blackholing incoming traffic for %s", + __PRETTY_FUNCTION__, pim_str_sg_dump(&sg)); + + /* + * We are not the DR, but we are still receiving packets + * Let's blackhole those packets for the moment + * As that they will be coming up to the cpu + * and causing us to consider them. + */ + c_oil = pim_channel_oil_add(pim_ifp->pim, &sg, + pim_ifp->mroute_vif_index); + pim_mroute_add(c_oil, __PRETTY_FUNCTION__); + + return 0; + } + up = pim_upstream_find_or_add(&sg, ifp, PIM_UPSTREAM_FLAG_MASK_FHR, __PRETTY_FUNCTION__); if (!up) { |