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pimd: Start handling of wrong interface for (*,G)

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When we get a callback for a specific (S,G) and
we have no ifchannel for it, see if we have a
(*,G) channel and handle it appropriately.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2016-11-11 19:13:55 -05:00
parent c8ff19f7be
commit 0490c22d20
1 changed files with 28 additions and 10 deletions
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38
pimd/pim_mroute.c
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@ -235,32 +235,39 @@ pim_mroute_msg_wrongvif (int fd, struct interface *ifp, const struct igmpmsg *ms
*/ */
if (!ifp) { if (!ifp) {
if (PIM_DEBUG_MROUTE) { if (PIM_DEBUG_MROUTE)
zlog_debug("%s: WRONGVIF (S,G)=%s could not find input interface for input_vif_index=%d", zlog_debug("%s: WRONGVIF (S,G)=%s could not find input interface for input_vif_index=%d",
__PRETTY_FUNCTION__, __PRETTY_FUNCTION__,
pim_str_sg_dump (&sg), msg->im_vif); pim_str_sg_dump (&sg), msg->im_vif);
}
return -1; return -1;
} }
pim_ifp = ifp->info; pim_ifp = ifp->info;
if (!pim_ifp) { if (!pim_ifp) {
if (PIM_DEBUG_MROUTE) { if (PIM_DEBUG_MROUTE)
zlog_debug("%s: WRONGVIF (S,G)=%s multicast not enabled on interface %s", zlog_debug("%s: WRONGVIF (S,G)=%s multicast not enabled on interface %s",
__PRETTY_FUNCTION__, __PRETTY_FUNCTION__,
pim_str_sg_dump (&sg), ifp->name); pim_str_sg_dump (&sg), ifp->name);
}
return -2; return -2;
} }
ch = pim_ifchannel_find(ifp, &sg); ch = pim_ifchannel_find(ifp, &sg);
if (!ch) { if (!ch) {
if (PIM_DEBUG_MROUTE) { struct prefix_sg star_g = sg;
if (PIM_DEBUG_MROUTE)
zlog_debug("%s: WRONGVIF (S,G)=%s could not find channel on interface %s", zlog_debug("%s: WRONGVIF (S,G)=%s could not find channel on interface %s",
__PRETTY_FUNCTION__, __PRETTY_FUNCTION__,
pim_str_sg_dump (&sg), ifp->name); pim_str_sg_dump(&sg), ifp->name);
star_g.src.s_addr = INADDR_ANY;
ch = pim_ifchannel_find(ifp, &star_g);
if (!ch) {
if (PIM_DEBUG_MROUTE)
zlog_debug("%s: WRONGVIF (*,G)=%s could not find channel on interface %s",
__PRETTY_FUNCTION__,
pim_str_sg_dump(&star_g), ifp->name);
return -3;
} }
return -3;
} }
/* /*
@ -281,7 +288,7 @@ pim_mroute_msg_wrongvif (int fd, struct interface *ifp, const struct igmpmsg *ms
if (PIM_DEBUG_MROUTE) { if (PIM_DEBUG_MROUTE) {
zlog_debug("%s: WRONGVIF (S,G)=%s channel is not on Assert NoInfo state for interface %s", zlog_debug("%s: WRONGVIF (S,G)=%s channel is not on Assert NoInfo state for interface %s",
__PRETTY_FUNCTION__, __PRETTY_FUNCTION__,
pim_str_sg_dump (&sg), ifp->name); pim_str_sg_dump (&ch->sg), ifp->name);
} }
return -4; return -4;
} }
@ -290,7 +297,7 @@ pim_mroute_msg_wrongvif (int fd, struct interface *ifp, const struct igmpmsg *ms
if (PIM_DEBUG_MROUTE) { if (PIM_DEBUG_MROUTE) {
zlog_debug("%s: WRONGVIF (S,G)=%s interface %s is not downstream for channel", zlog_debug("%s: WRONGVIF (S,G)=%s interface %s is not downstream for channel",
__PRETTY_FUNCTION__, __PRETTY_FUNCTION__,
pim_str_sg_dump (&sg), ifp->name); pim_str_sg_dump (&ch->sg), ifp->name);
} }
return -5; return -5;
} }
@ -299,7 +306,7 @@ pim_mroute_msg_wrongvif (int fd, struct interface *ifp, const struct igmpmsg *ms
if (PIM_DEBUG_MROUTE) { if (PIM_DEBUG_MROUTE) {
zlog_debug("%s: WRONGVIF (S,G)=%s assert_action_a1 failure on interface %s", zlog_debug("%s: WRONGVIF (S,G)=%s assert_action_a1 failure on interface %s",
__PRETTY_FUNCTION__, __PRETTY_FUNCTION__,
pim_str_sg_dump (&sg), ifp->name); pim_str_sg_dump (&ch->sg), ifp->name);
} }
return -6; return -6;
} }
@ -314,6 +321,7 @@ pim_mroute_msg_wrvifwhole (int fd, struct interface *ifp, const char *buf)
struct pim_interface *pim_ifp; struct pim_interface *pim_ifp;
struct pim_ifchannel *ch; struct pim_ifchannel *ch;
struct pim_upstream *up; struct pim_upstream *up;
struct prefix_sg star_g;
struct prefix_sg sg; struct prefix_sg sg;
struct channel_oil *oil; struct channel_oil *oil;
@ -333,6 +341,16 @@ pim_mroute_msg_wrvifwhole (int fd, struct interface *ifp, const char *buf)
pim_str_sg_dump (&sg), ifp->name); pim_str_sg_dump (&sg), ifp->name);
return -1; return -1;
} }
star_g = sg;
star_g.src.s_addr = INADDR_ANY;
ch = pim_ifchannel_find(ifp, &star_g);
if (ch)
{
if (PIM_DEBUG_MROUTE)
zlog_debug ("WRVIFWHOLE (*,G)=%s found ifchannel on interface %s",
pim_str_sg_dump (&star_g), ifp->name);
return -1;
}
if (PIM_DEBUG_MROUTE) if (PIM_DEBUG_MROUTE)
zlog_debug ("If channel: %p", ch); zlog_debug ("If channel: %p", ch);