diff options
Diffstat (limited to 'pimd/pim_iface.c')
| -rw-r--r-- | pimd/pim_iface.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/pimd/pim_iface.c b/pimd/pim_iface.c index bdeda2d76b..bc8dedc4f6 100644 --- a/pimd/pim_iface.c +++ b/pimd/pim_iface.c @@ -1526,3 +1526,169 @@ int pim_if_ifchannel_count(struct pim_interface *pim_ifp) return count; } + +int pim_ifp_create(struct interface *ifp) +{ + struct pim_instance *pim; + + pim = pim_get_pim_instance(ifp->vrf_id); + if (PIM_DEBUG_ZEBRA) { + zlog_debug( + "%s: %s index %d(%u) flags %ld metric %d mtu %d operative %d", + __PRETTY_FUNCTION__, ifp->name, ifp->ifindex, + ifp->vrf_id, (long)ifp->flags, ifp->metric, ifp->mtu, + if_is_operative(ifp)); + } + + if (if_is_operative(ifp)) { + struct pim_interface *pim_ifp; + + pim_ifp = ifp->info; + /* + * If we have a pim_ifp already and this is an if_add + * that means that we probably have a vrf move event + * If that is the case, set the proper vrfness. + */ + if (pim_ifp) + pim_ifp->pim = pim; + pim_if_addr_add_all(ifp); + } + + /* + * If we are a vrf device that is up, open up the pim_socket for + * listening + * to incoming pim messages irrelevant if the user has configured us + * for pim or not. + */ + if (pim_if_is_vrf_device(ifp)) { + struct pim_interface *pim_ifp; + + if (!ifp->info) { + pim_ifp = pim_if_new(ifp, false, false, false, + false /*vxlan_term*/); + ifp->info = pim_ifp; + } + + pim_sock_add(ifp); + } + + if (!strncmp(ifp->name, PIM_VXLAN_TERM_DEV_NAME, + sizeof(PIM_VXLAN_TERM_DEV_NAME))) + pim_vxlan_add_term_dev(pim, ifp); + + return 0; +} + +int pim_ifp_up(struct interface *ifp) +{ + struct pim_instance *pim; + uint32_t table_id; + + if (PIM_DEBUG_ZEBRA) { + zlog_debug( + "%s: %s index %d(%u) flags %ld metric %d mtu %d operative %d", + __PRETTY_FUNCTION__, ifp->name, ifp->ifindex, + ifp->vrf_id, (long)ifp->flags, ifp->metric, ifp->mtu, + if_is_operative(ifp)); + } + + pim = pim_get_pim_instance(ifp->vrf_id); + if (if_is_operative(ifp)) { + struct pim_interface *pim_ifp; + + pim_ifp = ifp->info; + /* + * If we have a pim_ifp already and this is an if_add + * that means that we probably have a vrf move event + * If that is the case, set the proper vrfness. + */ + if (pim_ifp) + pim_ifp->pim = pim; + + /* + pim_if_addr_add_all() suffices for bringing up both IGMP and + PIM + */ + pim_if_addr_add_all(ifp); + } + + /* + * If we have a pimreg device callback and it's for a specific + * table set the master appropriately + */ + if (sscanf(ifp->name, "pimreg%" SCNu32, &table_id) == 1) { + struct vrf *vrf; + RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { + if ((table_id == vrf->data.l.table_id) + && (ifp->vrf_id != vrf->vrf_id)) { + struct interface *master = if_lookup_by_name( + vrf->name, vrf->vrf_id); + + if (!master) { + zlog_debug( + "%s: Unable to find Master interface for %s", + __PRETTY_FUNCTION__, vrf->name); + return 0; + } + pim_zebra_interface_set_master(master, ifp); + } + } + } + return 0; +} + +int pim_ifp_down(struct interface *ifp) +{ + if (PIM_DEBUG_ZEBRA) { + zlog_debug( + "%s: %s index %d(%u) flags %ld metric %d mtu %d operative %d", + __PRETTY_FUNCTION__, ifp->name, ifp->ifindex, + ifp->vrf_id, (long)ifp->flags, ifp->metric, ifp->mtu, + if_is_operative(ifp)); + } + + if (!if_is_operative(ifp)) { + pim_ifchannel_delete_all(ifp); + /* + pim_if_addr_del_all() suffices for shutting down IGMP, + but not for shutting down PIM + */ + pim_if_addr_del_all(ifp); + + /* + pim_sock_delete() closes the socket, stops read and timer + threads, + and kills all neighbors. + */ + if (ifp->info) { + pim_sock_delete(ifp, "link down"); + } + } + + if (ifp->info) + pim_if_del_vif(ifp); + + return 0; +} + +int pim_ifp_destroy(struct interface *ifp) +{ + struct pim_instance *pim; + + if (PIM_DEBUG_ZEBRA) { + zlog_debug( + "%s: %s index %d(%u) flags %ld metric %d mtu %d operative %d", + __PRETTY_FUNCTION__, ifp->name, ifp->ifindex, + ifp->vrf_id, (long)ifp->flags, ifp->metric, ifp->mtu, + if_is_operative(ifp)); + } + + if (!if_is_operative(ifp)) + pim_if_addr_del_all(ifp); + + pim = pim_get_pim_instance(ifp->vrf_id); + if (pim && pim->vxlan.term_if == ifp) + pim_vxlan_del_term_dev(pim); + + return 0; +} |