#include "bgpd/bgp_debug.h"
#include "bgpd/bgp_errors.h"
#include "bgpd/bgp_route.h"
-#include "bgpd/bgp_zebra.h"
-#include "bgpd/bgp_vty.h"
-#include "bgpd/bgp_rd.h"
#define BGP_LABELPOOL_ENABLE_TESTS 0
lcb->label);
break;
- case LP_TYPE_NEXTHOP:
- if (uj) {
- json_object_string_add(json_elem, "prefix",
- "nexthop");
- json_object_int_add(json_elem, "label",
- lcb->label);
- } else
- vty_out(vty, "%-18s %u\n", "nexthop",
- lcb->label);
- break;
}
}
if (uj)
vty_out(vty, "%-18s %u\n", "VRF",
label);
break;
- case LP_TYPE_NEXTHOP:
- if (uj) {
- json_object_string_add(json_elem, "prefix",
- "nexthop");
- json_object_int_add(json_elem, "label", label);
- } else
- vty_out(vty, "%-18s %u\n", "nexthop",
- label);
- break;
}
}
if (uj)
else
vty_out(vty, "VRF\n");
break;
- case LP_TYPE_NEXTHOP:
- if (uj)
- json_object_string_add(json_elem, "prefix",
- "nexthop");
- else
- vty_out(vty, "Nexthop\n");
- break;
}
}
if (uj)
return CMD_SUCCESS;
}
-static void show_bgp_nexthop_label_afi(struct vty *vty, afi_t afi,
- struct bgp *bgp, bool detail)
-{
- struct bgp_label_per_nexthop_cache_head *tree;
- struct bgp_label_per_nexthop_cache *iter;
- safi_t safi;
- void *src;
- char buf[PREFIX2STR_BUFFER];
- char labelstr[MPLS_LABEL_STRLEN];
- struct bgp_dest *dest;
- struct bgp_path_info *path;
- struct bgp *bgp_path;
- struct bgp_table *table;
- time_t tbuf;
-
- vty_out(vty, "Current BGP label nexthop cache for %s, VRF %s\n",
- afi2str(afi), bgp->name_pretty);
-
- tree = &bgp->mpls_labels_per_nexthop[afi];
- frr_each (bgp_label_per_nexthop_cache, tree, iter) {
- if (afi2family(afi) == AF_INET)
- src = (void *)&iter->nexthop.u.prefix4;
- else
- src = (void *)&iter->nexthop.u.prefix6;
-
- vty_out(vty, " %s, label %s #paths %u\n",
- inet_ntop(afi2family(afi), src, buf, sizeof(buf)),
- mpls_label2str(1, &iter->label, labelstr,
- sizeof(labelstr), 0, true),
- iter->path_count);
- if (iter->nh)
- vty_out(vty, " if %s\n",
- ifindex2ifname(iter->nh->ifindex,
- iter->nh->vrf_id));
- tbuf = time(NULL) - (monotime(NULL) - iter->last_update);
- vty_out(vty, " Last update: %s", ctime(&tbuf));
- if (!detail)
- continue;
- vty_out(vty, " Paths:\n");
- LIST_FOREACH (path, &(iter->paths), label_nh_thread) {
- dest = path->net;
- table = bgp_dest_table(dest);
- assert(dest && table);
- afi = family2afi(bgp_dest_get_prefix(dest)->family);
- safi = table->safi;
- bgp_path = table->bgp;
-
- if (dest->pdest) {
- vty_out(vty, " %d/%d %pBD RD ", afi, safi,
- dest);
-
- vty_out(vty, BGP_RD_AS_FORMAT(bgp->asnotation),
- (struct prefix_rd *)bgp_dest_get_prefix(
- dest->pdest));
- vty_out(vty, " %s flags 0x%x\n",
- bgp_path->name_pretty, path->flags);
- } else
- vty_out(vty, " %d/%d %pBD %s flags 0x%x\n",
- afi, safi, dest, bgp_path->name_pretty,
- path->flags);
- }
- }
-}
-
-DEFPY(show_bgp_nexthop_label, show_bgp_nexthop_label_cmd,
- "show bgp [<view|vrf> VIEWVRFNAME] label-nexthop [detail]",
- SHOW_STR BGP_STR BGP_INSTANCE_HELP_STR
- "BGP label per-nexthop table\n"
- "Show detailed information\n")
-{
- int idx = 0;
- char *vrf = NULL;
- struct bgp *bgp;
- bool detail = false;
- int afi;
-
- if (argv_find(argv, argc, "vrf", &idx)) {
- vrf = argv[++idx]->arg;
- bgp = bgp_lookup_by_name(vrf);
- } else
- bgp = bgp_get_default();
-
- if (!bgp)
- return CMD_SUCCESS;
-
- if (argv_find(argv, argc, "detail", &idx))
- detail = true;
-
- for (afi = AFI_IP; afi <= AFI_IP6; afi++)
- show_bgp_nexthop_label_afi(vty, afi, bgp, detail);
- return CMD_SUCCESS;
-}
-
#if BGP_LABELPOOL_ENABLE_TESTS
/*------------------------------------------------------------------------
* Testing code start
install_element(ENABLE_NODE, &clear_labelpool_perf_test_cmd);
#endif /* BGP_LABELPOOL_ENABLE_TESTS */
}
-
-DEFINE_MTYPE_STATIC(BGPD, LABEL_PER_NEXTHOP_CACHE,
- "BGP Label Per Nexthop entry");
-
-/* The nexthops values are compared to
- * find in the tree the appropriate cache entry
- */
-int bgp_label_per_nexthop_cache_cmp(const struct bgp_label_per_nexthop_cache *a,
- const struct bgp_label_per_nexthop_cache *b)
-{
- return prefix_cmp(&a->nexthop, &b->nexthop);
-}
-
-struct bgp_label_per_nexthop_cache *
-bgp_label_per_nexthop_new(struct bgp_label_per_nexthop_cache_head *tree,
- struct prefix *nexthop)
-{
- struct bgp_label_per_nexthop_cache *blnc;
-
- blnc = XCALLOC(MTYPE_LABEL_PER_NEXTHOP_CACHE,
- sizeof(struct bgp_label_per_nexthop_cache));
- blnc->tree = tree;
- blnc->label = MPLS_INVALID_LABEL;
- prefix_copy(&blnc->nexthop, nexthop);
- LIST_INIT(&(blnc->paths));
- bgp_label_per_nexthop_cache_add(tree, blnc);
-
- return blnc;
-}
-
-struct bgp_label_per_nexthop_cache *
-bgp_label_per_nexthop_find(struct bgp_label_per_nexthop_cache_head *tree,
- struct prefix *nexthop)
-{
- struct bgp_label_per_nexthop_cache blnc = {};
-
- if (!tree)
- return NULL;
-
- memcpy(&blnc.nexthop, nexthop, sizeof(struct prefix));
- return bgp_label_per_nexthop_cache_find(tree, &blnc);
-}
-
-void bgp_label_per_nexthop_free(struct bgp_label_per_nexthop_cache *blnc)
-{
- if (blnc->label != MPLS_INVALID_LABEL) {
- bgp_zebra_send_nexthop_label(ZEBRA_MPLS_LABELS_DELETE,
- blnc->label, blnc->nh->ifindex,
- blnc->nh->vrf_id, ZEBRA_LSP_BGP,
- &blnc->nexthop);
- bgp_lp_release(LP_TYPE_NEXTHOP, blnc, blnc->label);
- }
- bgp_label_per_nexthop_cache_del(blnc->tree, blnc);
- if (blnc->nh)
- nexthop_free(blnc->nh);
- blnc->nh = NULL;
- XFREE(MTYPE_LABEL_PER_NEXTHOP_CACHE, blnc);
-}
-
-void bgp_label_per_nexthop_init(void)
-{
- install_element(VIEW_NODE, &show_bgp_nexthop_label_cmd);
-}
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