diff options
Diffstat (limited to 'zebra/zebra_mpls.c')
| -rw-r--r-- | zebra/zebra_mpls.c | 185 |
1 files changed, 147 insertions, 38 deletions
diff --git a/zebra/zebra_mpls.c b/zebra/zebra_mpls.c index 5214f1f22d..3c4497ebd2 100644 --- a/zebra/zebra_mpls.c +++ b/zebra/zebra_mpls.c @@ -34,6 +34,7 @@ #include "routemap.h" #include "stream.h" #include "nexthop.h" +#include "termtable.h" #include "lib/json.h" #include "zebra/rib.h" @@ -124,6 +125,9 @@ static zebra_snhlfe_t *snhlfe_add(zebra_slsp_t *slsp, static int snhlfe_del(zebra_snhlfe_t *snhlfe); static int snhlfe_del_all(zebra_slsp_t *slsp); static char *snhlfe2str(zebra_snhlfe_t *snhlfe, char *buf, int size); +static void mpls_lsp_uninstall_all_type(struct hash_bucket *bucket, void *ctxt); +static void mpls_ftn_uninstall_all(struct zebra_vrf *zvrf, + int afi, enum lsp_types_t lsp_type); /* Static functions */ @@ -1111,6 +1115,7 @@ static char *nhlfe2str(zebra_nhlfe_t *nhlfe, char *buf, int size) inet_ntop(AF_INET, &nexthop->gate.ipv4, buf, size); break; case NEXTHOP_TYPE_IPV6: + case NEXTHOP_TYPE_IPV6_IFINDEX: inet_ntop(AF_INET6, &nexthop->gate.ipv6, buf, size); break; case NEXTHOP_TYPE_IFINDEX: @@ -2294,6 +2299,40 @@ static int zebra_mpls_cleanup_fecs_for_client(struct zserv *client) return 0; } +struct lsp_uninstall_args { + struct hash *lsp_table; + enum lsp_types_t type; +}; + +/* + * Cleanup MPLS labels registered by this client. + */ +static int zebra_mpls_cleanup_zclient_labels(struct zserv *client) +{ + struct vrf *vrf; + struct zebra_vrf *zvrf; + + RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { + struct lsp_uninstall_args args; + + zvrf = vrf->info; + if (!zvrf) + continue; + + /* Cleanup LSPs. */ + args.lsp_table = zvrf->lsp_table; + args.type = lsp_type_from_re_type(client->proto); + hash_iterate(zvrf->lsp_table, mpls_lsp_uninstall_all_type, + &args); + + /* Cleanup FTNs. */ + mpls_ftn_uninstall_all(zvrf, AFI_IP, client->proto); + mpls_ftn_uninstall_all(zvrf, AFI_IP6, client->proto); + } + + return 0; +} + /* * Return FEC (if any) to which this label is bound. * Note: Only works for per-prefix binding and when the label is not @@ -2542,8 +2581,8 @@ static bool mpls_ftn_update_nexthop(int add, struct nexthop *nexthop, */ int mpls_ftn_update(int add, struct zebra_vrf *zvrf, enum lsp_types_t type, struct prefix *prefix, enum nexthop_types_t gtype, - union g_addr *gate, ifindex_t ifindex, uint8_t distance, - mpls_label_t out_label) + union g_addr *gate, ifindex_t ifindex, uint8_t route_type, + unsigned short route_instance, mpls_label_t out_label) { struct route_table *table; struct route_node *rn; @@ -2562,7 +2601,7 @@ int mpls_ftn_update(int add, struct zebra_vrf *zvrf, enum lsp_types_t type, RNODE_FOREACH_RE (rn, re) { if (CHECK_FLAG(re->status, ROUTE_ENTRY_REMOVED)) continue; - if (re->distance == distance) + if (re->type == route_type && re->instance == route_instance) break; } @@ -2617,6 +2656,42 @@ int mpls_ftn_update(int add, struct zebra_vrf *zvrf, enum lsp_types_t type, return 0; } +int mpls_ftn_uninstall(struct zebra_vrf *zvrf, enum lsp_types_t type, + struct prefix *prefix, uint8_t route_type, + unsigned short route_instance) +{ + struct route_table *table; + struct route_node *rn; + struct route_entry *re; + struct nexthop *nexthop; + + /* Lookup table. */ + table = zebra_vrf_table(family2afi(prefix->family), SAFI_UNICAST, + zvrf_id(zvrf)); + if (!table) + return -1; + + /* Lookup existing route */ + rn = route_node_get(table, prefix); + RNODE_FOREACH_RE (rn, re) { + if (CHECK_FLAG(re->status, ROUTE_ENTRY_REMOVED)) + continue; + if (re->type == route_type && re->instance == route_instance) + break; + } + if (re == NULL) + return -1; + + for (nexthop = re->ng.nexthop; nexthop; nexthop = nexthop->next) + nexthop_del_labels(nexthop); + + SET_FLAG(re->status, ROUTE_ENTRY_CHANGED); + SET_FLAG(re->status, ROUTE_ENTRY_LABELS_CHANGED); + rib_queue_add(rn); + + return 0; +} + /* * Install/update a NHLFE for an LSP in the forwarding table. This may be * a new LSP entry or a new NHLFE for an existing in-label or an update of @@ -2749,12 +2824,34 @@ int mpls_lsp_uninstall(struct zebra_vrf *zvrf, enum lsp_types_t type, return 0; } +int mpls_lsp_uninstall_all_vrf(struct zebra_vrf *zvrf, enum lsp_types_t type, + mpls_label_t in_label) +{ + struct hash *lsp_table; + zebra_ile_t tmp_ile; + zebra_lsp_t *lsp; + + /* Lookup table. */ + lsp_table = zvrf->lsp_table; + if (!lsp_table) + return -1; + + /* If entry is not present, exit. */ + tmp_ile.in_label = in_label; + lsp = hash_lookup(lsp_table, &tmp_ile); + if (!lsp) + return 0; + + return mpls_lsp_uninstall_all(lsp_table, lsp, type); +} + /* - * Uninstall all LDP NHLFEs for a particular LSP forwarding entry. + * Uninstall all NHLFEs for a particular LSP forwarding entry. * If no other NHLFEs exist, the entry would be deleted. */ -void mpls_ldp_lsp_uninstall_all(struct hash_bucket *bucket, void *ctxt) +static void mpls_lsp_uninstall_all_type(struct hash_bucket *bucket, void *ctxt) { + struct lsp_uninstall_args *args = ctxt; zebra_lsp_t *lsp; struct hash *lsp_table; @@ -2762,17 +2859,19 @@ void mpls_ldp_lsp_uninstall_all(struct hash_bucket *bucket, void *ctxt) if (!lsp->nhlfe_list) return; - lsp_table = ctxt; + lsp_table = args->lsp_table; if (!lsp_table) return; - mpls_lsp_uninstall_all(lsp_table, lsp, ZEBRA_LSP_LDP); + mpls_lsp_uninstall_all(lsp_table, lsp, args->type); } /* - * Uninstall all LDP FEC-To-NHLFE (FTN) bindings of the given address-family. + * Uninstall all FEC-To-NHLFE (FTN) bindings of the given address-family and + * LSP type. */ -void mpls_ldp_ftn_uninstall_all(struct zebra_vrf *zvrf, int afi) +static void mpls_ftn_uninstall_all(struct zebra_vrf *zvrf, + int afi, enum lsp_types_t lsp_type) { struct route_table *table; struct route_node *rn; @@ -2790,7 +2889,7 @@ void mpls_ldp_ftn_uninstall_all(struct zebra_vrf *zvrf, int afi) RNODE_FOREACH_RE (rn, re) { for (nexthop = re->ng.nexthop; nexthop; nexthop = nexthop->next) { - if (nexthop->nh_label_type != ZEBRA_LSP_LDP) + if (nexthop->nh_label_type != lsp_type) continue; nexthop_del_labels(nexthop); @@ -3047,7 +3146,6 @@ void zebra_mpls_print_lsp_table(struct vty *vty, struct zebra_vrf *zvrf, json_object *json = NULL; zebra_lsp_t *lsp = NULL; zebra_nhlfe_t *nhlfe = NULL; - struct nexthop *nexthop = NULL; struct listnode *node = NULL; struct list *lsp_list = hash_get_sorted_list(zvrf->lsp_table, lsp_cmp); @@ -3063,15 +3161,23 @@ void zebra_mpls_print_lsp_table(struct vty *vty, struct zebra_vrf *zvrf, json, JSON_C_TO_STRING_PRETTY)); json_object_free(json); } else { - vty_out(vty, " Inbound Outbound\n"); - vty_out(vty, " Label Type Nexthop Label\n"); - vty_out(vty, "-------- ------- --------------- --------\n"); + struct ttable *tt; + + /* Prepare table. */ + tt = ttable_new(&ttable_styles[TTSTYLE_BLANK]); + ttable_add_row(tt, "Inbound Label|Type|Nexthop|Outbound Label"); + tt->style.cell.rpad = 2; + tt->style.corner = '+'; + ttable_restyle(tt); + ttable_rowseps(tt, 0, BOTTOM, true, '-'); for (ALL_LIST_ELEMENTS_RO(lsp_list, node, lsp)) { for (nhlfe = lsp->nhlfe_list; nhlfe; nhlfe = nhlfe->next) { - vty_out(vty, "%8d %7s ", lsp->ile.in_label, - nhlfe_type2str(nhlfe->type)); + struct nexthop *nexthop; + const char *out_label_str; + char nh_buf[NEXTHOP_STRLEN]; + nexthop = nhlfe->nexthop; switch (nexthop->type) { @@ -3081,45 +3187,47 @@ void zebra_mpls_print_lsp_table(struct vty *vty, struct zebra_vrf *zvrf, zns = zebra_ns_lookup(NS_DEFAULT); ifp = if_lookup_by_index_per_ns( - zns, - nexthop->ifindex); - if (ifp) - vty_out(vty, "%15s", ifp->name); - else - vty_out(vty, "%15s", "Null"); - + zns, nexthop->ifindex); + snprintf(nh_buf, sizeof(nh_buf), "%s", + ifp ? ifp->name : "Null"); break; } case NEXTHOP_TYPE_IPV4: case NEXTHOP_TYPE_IPV4_IFINDEX: - vty_out(vty, "%15s", - inet_ntoa(nexthop->gate.ipv4)); + inet_ntop(AF_INET, &nexthop->gate.ipv4, + nh_buf, sizeof(nh_buf)); break; case NEXTHOP_TYPE_IPV6: case NEXTHOP_TYPE_IPV6_IFINDEX: - vty_out(vty, "%15s", - inet_ntop(AF_INET6, - &nexthop->gate.ipv6, - buf, BUFSIZ)); + inet_ntop(AF_INET6, &nexthop->gate.ipv6, + nh_buf, sizeof(nh_buf)); break; default: break; } if (nexthop->type != NEXTHOP_TYPE_IFINDEX) - vty_out(vty, " %8s\n", - mpls_label2str( - nexthop->nh_label - ->num_labels, - &nexthop->nh_label - ->label[0], - buf, BUFSIZ, 1)); + out_label_str = mpls_label2str( + nexthop->nh_label->num_labels, + &nexthop->nh_label->label[0], + buf, BUFSIZ, 1); else - vty_out(vty, "\n"); + out_label_str = "-"; + + ttable_add_row(tt, "%u|%s|%s|%s", + lsp->ile.in_label, + nhlfe_type2str(nhlfe->type), + nh_buf, out_label_str); } } - vty_out(vty, "\n"); + /* Dump the generated table. */ + if (tt->nrows > 1) { + char *table = ttable_dump(tt, "\n"); + vty_out(vty, "%s\n", table); + XFREE(MTYPE_TMP, table); + } + ttable_del(tt); } list_delete(&lsp_list); @@ -3289,4 +3397,5 @@ void zebra_mpls_init(void) mpls_enabled = 1; hook_register(zserv_client_close, zebra_mpls_cleanup_fecs_for_client); + hook_register(zserv_client_close, zebra_mpls_cleanup_zclient_labels); } |
