diff options
Diffstat (limited to 'pimd/pim_cmd.c')
| -rw-r--r-- | pimd/pim_cmd.c | 151 |
1 files changed, 149 insertions, 2 deletions
diff --git a/pimd/pim_cmd.c b/pimd/pim_cmd.c index 8e08dc724b..714d6e8e1d 100644 --- a/pimd/pim_cmd.c +++ b/pimd/pim_cmd.c @@ -4049,6 +4049,152 @@ DEFUN (clear_ip_pim_oil, return CMD_SUCCESS; } +static void clear_pim_bsr_db(struct pim_instance *pim) +{ + struct route_node *rn; + struct route_node *rpnode; + struct bsgrp_node *bsgrp; + struct prefix nht_p; + struct prefix g_all; + struct rp_info *rp_all; + struct pim_upstream *up; + struct rp_info *rp_info; + bool is_bsr_tracking = true; + + /* Remove next hop tracking for the bsr */ + nht_p.family = AF_INET; + nht_p.prefixlen = IPV4_MAX_BITLEN; + nht_p.u.prefix4 = pim->global_scope.current_bsr; + if (PIM_DEBUG_BSM) { + zlog_debug("%s: Deregister BSR addr %pFX with Zebra NHT", + __func__, &nht_p); + } + pim_delete_tracked_nexthop(pim, &nht_p, NULL, NULL, is_bsr_tracking); + + /* Reset scope zone data */ + pim->global_scope.accept_nofwd_bsm = false; + pim->global_scope.state = ACCEPT_ANY; + pim->global_scope.current_bsr.s_addr = INADDR_ANY; + pim->global_scope.current_bsr_prio = 0; + pim->global_scope.current_bsr_first_ts = 0; + pim->global_scope.current_bsr_last_ts = 0; + pim->global_scope.bsm_frag_tag = 0; + list_delete_all_node(pim->global_scope.bsm_list); + + pim_bs_timer_stop(&pim->global_scope); + + for (rn = route_top(pim->global_scope.bsrp_table); rn; + rn = route_next(rn)) { + bsgrp = rn->info; + if (!bsgrp) + continue; + + rpnode = route_node_lookup(pim->rp_table, &bsgrp->group); + + if (!rpnode) { + pim_free_bsgrp_node(bsgrp->scope->bsrp_table, + &bsgrp->group); + pim_free_bsgrp_data(bsgrp); + continue; + } + + rp_info = (struct rp_info *)rpnode->info; + + if ((!rp_info) || (rp_info->rp_src != RP_SRC_BSR)) { + pim_free_bsgrp_node(bsgrp->scope->bsrp_table, + &bsgrp->group); + pim_free_bsgrp_data(bsgrp); + continue; + } + + /* Deregister addr with Zebra NHT */ + nht_p.family = AF_INET; + nht_p.prefixlen = IPV4_MAX_BITLEN; + nht_p.u.prefix4 = rp_info->rp.rpf_addr.u.prefix4; + + if (PIM_DEBUG_PIM_NHT_RP) { + zlog_debug("%s: Deregister RP addr %pFX with Zebra ", + __func__, &nht_p); + } + + pim_delete_tracked_nexthop(pim, &nht_p, NULL, rp_info, false); + + if (!str2prefix("224.0.0.0/4", &g_all)) + return; + + rp_all = pim_rp_find_match_group(pim, &g_all); + + if (rp_all == rp_info) { + rp_all->rp.rpf_addr.family = AF_INET; + rp_all->rp.rpf_addr.u.prefix4.s_addr = INADDR_NONE; + rp_all->i_am_rp = 0; + } else { + /* Delete the rp_info from rp-list */ + listnode_delete(pim->rp_list, rp_info); + + /* Delete the rp node from rp_table */ + rpnode->info = NULL; + route_unlock_node(rpnode); + route_unlock_node(rpnode); + } + + XFREE(MTYPE_PIM_RP, rp_info); + + pim_free_bsgrp_node(bsgrp->scope->bsrp_table, &bsgrp->group); + pim_free_bsgrp_data(bsgrp); + } + pim_rp_refresh_group_to_rp_mapping(pim); + + + frr_each (rb_pim_upstream, &pim->upstream_head, up) { + /* Find the upstream (*, G) whose upstream address is same as + * the RP + */ + if (up->sg.src.s_addr != INADDR_ANY) + continue; + + struct prefix grp; + struct rp_info *trp_info; + + grp.family = AF_INET; + grp.prefixlen = IPV4_MAX_BITLEN; + grp.u.prefix4 = up->sg.grp; + + trp_info = pim_rp_find_match_group(pim, &grp); + + /* RP not found for the group grp */ + if (pim_rpf_addr_is_inaddr_none(&trp_info->rp)) { + pim_upstream_rpf_clear(pim, up); + pim_rp_set_upstream_addr(pim, &up->upstream_addr, + up->sg.src, up->sg.grp); + } else { + /* RP found for the group grp */ + pim_upstream_update(pim, up); + } + } +} + + +DEFUN (clear_ip_pim_bsr_db, + clear_ip_pim_bsr_db_cmd, + "clear ip pim [vrf NAME] bsr-data", + CLEAR_STR + IP_STR + CLEAR_IP_PIM_STR + VRF_CMD_HELP_STR + "Reset pim bsr data\n") +{ + int idx = 2; + struct vrf *vrf = pim_cmd_lookup_vrf(vty, argv, argc, &idx); + + if (!vrf) + return CMD_WARNING; + + clear_pim_bsr_db(vrf->info); + + return CMD_SUCCESS; +} + DEFUN (show_ip_igmp_interface, show_ip_igmp_interface_cmd, "show ip igmp [vrf NAME] interface [detail|WORD] [json]", @@ -10927,9 +11073,9 @@ static void pim_show_vxlan_sg_entry(struct pim_vxlan_sg *vxlan_sg, } } -static void pim_show_vxlan_sg_hash_entry(struct hash_bucket *backet, void *arg) +static void pim_show_vxlan_sg_hash_entry(struct hash_bucket *bucket, void *arg) { - pim_show_vxlan_sg_entry((struct pim_vxlan_sg *)backet->data, + pim_show_vxlan_sg_entry((struct pim_vxlan_sg *)bucket->data, (struct pim_sg_cache_walk_data *)arg); } @@ -11447,6 +11593,7 @@ void pim_cmd_init(void) install_element(ENABLE_NODE, &clear_ip_pim_interface_traffic_cmd); install_element(ENABLE_NODE, &clear_ip_pim_oil_cmd); install_element(ENABLE_NODE, &clear_ip_pim_statistics_cmd); + install_element(ENABLE_NODE, &clear_ip_pim_bsr_db_cmd); install_element(ENABLE_NODE, &show_debugging_pim_cmd); |