1 files changed, 81 insertions, 4 deletions

diff --git a/isisd/isis_vty_fabricd.c b/isisd/isis_vty_fabricd.c
index 5ef3af0f1..72ee2ac92 100644
--- a/isisd/isis_vty_fabricd.c
+++ b/isisd/isis_vty_fabricd.c
@@ -23,10 +23,12 @@
 
 #include "command.h"
 
-#include "isisd.h"
-#include "isis_vty_common.h"
-#include "fabricd.h"
-#include "isis_tlvs.h"
+#include "isisd/isisd.h"
+#include "isisd/isis_vty_common.h"
+#include "isisd/fabricd.h"
+#include "isisd/isis_tlvs.h"
+#include "isisd/isis_misc.h"
+#include "isisd/isis_lsp.h"
 
 DEFUN (fabric_tier,
        fabric_tier_cmd,
@@ -55,8 +57,83 @@ DEFUN (no_fabric_tier,
 	return CMD_SUCCESS;
 }
 
+static void lsp_print_flooding(struct vty *vty, struct isis_lsp *lsp)
+{
+	char lspid[255];
+
+	lspid_print(lsp->hdr.lsp_id, lspid, true, true);
+	vty_out(vty, "Flooding information for %s\n", lspid);
+
+	if (!lsp->flooding_neighbors[TX_LSP_NORMAL]) {
+		vty_out(vty, "    Never flooded.\n");
+		return;
+	}
+
+	vty_out(vty, "    Last received on: %s\n",
+		lsp->flooding_interface ?
+		lsp->flooding_interface : "(null)");
+
+	for (enum isis_tx_type type = TX_LSP_NORMAL;
+	     type <= TX_LSP_CIRCUIT_SCOPED; type++) {
+		struct listnode *node;
+		uint8_t *neighbor_id;
+
+		vty_out(vty, "    %s:\n",
+			(type == TX_LSP_NORMAL) ? "RF" : "DNR");
+		for (ALL_LIST_ELEMENTS_RO(lsp->flooding_neighbors[type],
+					  node, neighbor_id)) {
+			vty_out(vty, "        %s\n",
+				print_sys_hostname(neighbor_id));
+		}
+	}
+}
+
+DEFUN (show_lsp_flooding,
+       show_lsp_flooding_cmd,
+       "show openfabric flooding [WORD]",
+       SHOW_STR
+       PROTO_HELP
+       "Flooding information\n"
+       "LSP ID\n")
+{
+	const char *lspid = NULL;
+
+	if (argc == 4) {
+		lspid = argv[3]->arg;
+	}
+
+	struct listnode *node;
+	struct isis_area *area;
+
+	for (ALL_LIST_ELEMENTS_RO(isis->area_list, node, area)) {
+		dict_t *lspdb = area->lspdb[ISIS_LEVEL2 - 1];
+
+		vty_out(vty, "Area %s:\n", area->area_tag ?
+			area->area_tag : "null");
+
+		if (lspid) {
+			struct isis_lsp *lsp = lsp_for_arg(lspid, lspdb);
+
+			if (lsp)
+				lsp_print_flooding(vty, lsp);
+
+			continue;
+		}
+
+		for (dnode_t *dnode = dict_first(lspdb); dnode;
+		     dnode = dict_next(lspdb, dnode)) {
+			lsp_print_flooding(vty, dnode_get(dnode));
+			vty_out(vty, "\n");
+		}
+	}
+
+	return CMD_SUCCESS;
+}
+
 void isis_vty_daemon_init(void)
 {
 	install_element(ROUTER_NODE, &fabric_tier_cmd);
 	install_element(ROUTER_NODE, &no_fabric_tier_cmd);
+
+	install_element(ENABLE_NODE, &show_lsp_flooding_cmd);
 }