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pimd: mute termination device on the origination mroute on type mods

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An mroute can transition from non-origination to a vxlan origination
mroute. In that case we need to re-evaluate if the interfaces in the
OIL need to be muted; pimreg and termination device need to be muted (if
they were previously un-muted).

Dump in a problem state:
=======================
root@TORC11:~# net show pim state
Codes: J -> Pim Join, I -> IGMP Report, S -> Source, * -> Inherited from (*,G), V -> VxLAN, M -> Muted
Active Source           Group            RPT  IIF               OIL
1      *                239.1.1.100      y    uplink-1          pimreg(I    ), ipmr-lo( J   )
1      36.0.0.11        239.1.1.100      n    peerlink-3.4094   ipmr-lo(   * ), uplink-1( J   ), uplink-2( J   ), peerlink-3.4094(  V  )

PS: ipmr-lo should have M set in (36.0.0.11,239.1.1.100)

Ticket: CM-26747

Signed-off-by: Anuradha Karuppiah <anuradhak@cumulusnetworks.com>
This commit is contained in:
Anuradha Karuppiah 2019-10-15 11:10:47 -07:00 committed by Donald Sharp
parent 4d114ab9f9
commit 07f4bac3ac
1 changed files with 6 additions and 0 deletions
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6
pimd/pim_vxlan.c
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@ -284,6 +284,7 @@ static void pim_vxlan_orig_mr_up_iif_update(struct pim_vxlan_sg *vxlan_sg)
static void pim_vxlan_orig_mr_up_add(struct pim_vxlan_sg *vxlan_sg)
{
struct pim_upstream *up;
struct pim_interface *term_ifp;
int flags = 0;
struct prefix nht_p;
struct pim_instance *pim = vxlan_sg->pim;
@ -345,6 +346,11 @@ static void pim_vxlan_orig_mr_up_add(struct pim_vxlan_sg *vxlan_sg)
pim_upstream_update_use_rpt(up, false /*update_mroute*/);
pim_upstream_ref(up, flags, __func__);
vxlan_sg->up = up;
term_ifp = pim_vxlan_get_term_ifp(pim);
/* mute termination device on origination mroutes */
if (term_ifp)
pim_channel_update_oif_mute(up->channel_oil,
term_ifp);
pim_vxlan_orig_mr_up_iif_update(vxlan_sg);
/* mute pimreg on origination mroutes */
if (pim->regiface)