eigrpd: Fix non-installation of routes into zebra

EIGRP was not installing routes it learned from it's
neighbors into the rib.

This is probably a hack, but zebra now knows about the
routes.

robot.cumulusnetworks.com# show ip route
Codes: K - kernel route, C - connected, S - static, R - RIP,
       O - OSPF, I - IS-IS, B - BGP, P - PIM, E - EIGRP, N - NHRP,
       T - Table, v - VNC, V - VNC-Direct,
       > - selected route, * - FIB route

K>* 0.0.0.0/0 via 10.0.2.2, enp0s3
C>* 10.0.2.0/24 is directly connected, enp0s3
E   192.168.2.0/24 [0/0] via 127.0.0.1, enp0s10 inactive
C>* 192.168.2.0/24 is directly connected, enp0s10
E>* 192.168.3.4/32 [0/0] via 192.168.2.144, enp0s10
E>* 192.168.4.5/32 [0/0] via 192.168.2.144, enp0s10
E>* 192.168.4.6/32 [0/0] via 192.168.2.144, enp0s10
C>* 192.168.22.11/32 is directly connected, lo
robot.cumulusnetworks.com# show ip route 192.168.4.5
Routing entry for 192.168.4.5/32
  Known via "eigrp", distance 0, metric 0, best
  * 192.168.2.144, via enp0s10

robot.cumulusnetworks.com#

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>

diff --git a/eigrpd/eigrp_update.c b/eigrpd/eigrp_update.c
index 63c0eb27bff3f824de1d18e7bca9bedd25b44342..6857b53a6cf7c5066852d2e67bfd86f2213e294d 100644 (file)
--- a/eigrpd/eigrp_update.c
+++ b/eigrpd/eigrp_update.c
@@ -454,6 +454,26 @@ eigrp_update_receive (struct eigrp *eigrp, struct ip *iph, struct eigrp_header *
 
               pe->req_action |= EIGRP_FSM_NEED_UPDATE;
               listnode_add(eigrp->topology_changes_internalIPV4, pe);
+
+              /*
+               * This code is a guess.  I am not actually
+               * sure that we should be doing this here.
+               * But for the moment it installs routes
+               * into the rib.  Which is good?
+               */
+              struct eigrp_fsm_action_message *msg;
+              msg = XCALLOC(MTYPE_EIGRP_FSM_MSG,
+                            sizeof(struct eigrp_fsm_action_message));
+
+              msg->packet_type = EIGRP_OPC_UPDATE;
+              msg->eigrp = eigrp;
+              msg->data_type =EIGRP_TLV_IPv4_INT;
+              msg->adv_router = nbr;
+              msg->data.ipv4_int_type = tlv;
+              msg->entry = ne;
+              msg->prefix = pe;
+              int event = eigrp_get_fsm_event(msg);
+              eigrp_fsm_event(msg, event);
             }
           eigrp_IPv4_InternalTLV_free (tlv);
         }