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mirror_frr/isisd/isisd.c
Christian Franke 2c92bee499 isisd: add purge originator identification support 
Implement RFC 6232, optionally allowing to flood isisd's NET and
hostname in purges it originates.

Signed-off-by: Christian Franke <chris@opensourcerouting.org>
2018-09-05 11:38:13 +02:00

2264 lines
57 KiB
C
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/*
* IS-IS Rout(e)ing protocol - isisd.c
*
* Copyright (C) 2001,2002 Sampo Saaristo
* Tampere University of Technology
* Institute of Communications Engineering
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public Licenseas published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; see the file COPYING; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <zebra.h>
#include "thread.h"
#include "vty.h"
#include "command.h"
#include "log.h"
#include "memory.h"
#include "time.h"
#include "linklist.h"
#include "if.h"
#include "hash.h"
#include "stream.h"
#include "prefix.h"
#include "table.h"
#include "qobj.h"
#include "spf_backoff.h"
#include "isisd/dict.h"
#include "isisd/isis_constants.h"
#include "isisd/isis_common.h"
#include "isisd/isis_flags.h"
#include "isisd/isis_circuit.h"
#include "isisd/isis_csm.h"
#include "isisd/isisd.h"
#include "isisd/isis_dynhn.h"
#include "isisd/isis_adjacency.h"
#include "isisd/isis_pdu.h"
#include "isisd/isis_misc.h"
#include "isisd/isis_constants.h"
#include "isisd/isis_lsp.h"
#include "isisd/isis_spf.h"
#include "isisd/isis_route.h"
#include "isisd/isis_zebra.h"
#include "isisd/isis_events.h"
#include "isisd/isis_te.h"
#include "isisd/isis_mt.h"
#include "isisd/fabricd.h"
struct isis *isis = NULL;
DEFINE_QOBJ_TYPE(isis)
DEFINE_QOBJ_TYPE(isis_area)
/*
* Prototypes.
*/
int isis_area_get(struct vty *, const char *);
int isis_area_destroy(struct vty *, const char *);
int area_net_title(struct vty *, const char *);
int area_clear_net_title(struct vty *, const char *);
int show_isis_interface_common(struct vty *, const char *ifname, char);
int show_isis_neighbor_common(struct vty *, const char *id, char);
int clear_isis_neighbor_common(struct vty *, const char *id);
int isis_config_write(struct vty *);
void isis_new(unsigned long process_id)
{
isis = XCALLOC(MTYPE_ISIS, sizeof(struct isis));
/*
* Default values
*/
isis->max_area_addrs = 3;
isis->process_id = process_id;
isis->router_id = 0;
isis->area_list = list_new();
isis->init_circ_list = list_new();
isis->uptime = time(NULL);
isis->nexthops = list_new();
isis->nexthops6 = list_new();
dyn_cache_init();
/*
* uncomment the next line for full debugs
*/
/* isis->debugs = 0xFFFF; */
isisMplsTE.status = disable; /* Only support TE metric */
QOBJ_REG(isis, isis);
}
struct isis_area *isis_area_create(const char *area_tag)
{
struct isis_area *area;
area = XCALLOC(MTYPE_ISIS_AREA, sizeof(struct isis_area));
/*
* Fabricd runs only as level-2.
* For IS-IS, the first instance is level-1-2 rest are level-1,
* unless otherwise configured
*/
if (fabricd) {
area->is_type = IS_LEVEL_2;
} else if (listcount(isis->area_list) > 0)
area->is_type = IS_LEVEL_1;
else
area->is_type = IS_LEVEL_1_AND_2;
/*
* intialize the databases
*/
if (area->is_type & IS_LEVEL_1) {
area->lspdb[0] = lsp_db_init();
}
if (area->is_type & IS_LEVEL_2) {
area->lspdb[1] = lsp_db_init();
}
spftree_area_init(area);
area->circuit_list = list_new();
area->area_addrs = list_new();
thread_add_timer(master, lsp_tick, area, 1, &area->t_tick);
flags_initialize(&area->flags);
/*
* Default values
*/
area->max_lsp_lifetime[0] = DEFAULT_LSP_LIFETIME; /* 1200 */
area->max_lsp_lifetime[1] = DEFAULT_LSP_LIFETIME; /* 1200 */
area->lsp_refresh[0] = DEFAULT_MAX_LSP_GEN_INTERVAL; /* 900 */
area->lsp_refresh[1] = DEFAULT_MAX_LSP_GEN_INTERVAL; /* 900 */
area->lsp_gen_interval[0] = DEFAULT_MIN_LSP_GEN_INTERVAL;
area->lsp_gen_interval[1] = DEFAULT_MIN_LSP_GEN_INTERVAL;
area->min_spf_interval[0] = MINIMUM_SPF_INTERVAL;
area->min_spf_interval[1] = MINIMUM_SPF_INTERVAL;
area->dynhostname = 1;
area->oldmetric = 0;
area->newmetric = 1;
area->lsp_frag_threshold = 90;
area->lsp_mtu = DEFAULT_LSP_MTU;
area_mt_init(area);
area->area_tag = strdup(area_tag);
listnode_add(isis->area_list, area);
area->isis = isis;
if (fabricd)
area->fabricd = fabricd_new(area);
QOBJ_REG(area, isis_area);
return area;
}
struct isis_area *isis_area_lookup(const char *area_tag)
{
struct isis_area *area;
struct listnode *node;
for (ALL_LIST_ELEMENTS_RO(isis->area_list, node, area))
if ((area->area_tag == NULL && area_tag == NULL)
|| (area->area_tag && area_tag
&& strcmp(area->area_tag, area_tag) == 0))
return area;
return NULL;
}
int isis_area_get(struct vty *vty, const char *area_tag)
{
struct isis_area *area;
area = isis_area_lookup(area_tag);
if (area) {
VTY_PUSH_CONTEXT(ROUTER_NODE, area);
return CMD_SUCCESS;
}
area = isis_area_create(area_tag);
if (isis->debugs & DEBUG_EVENTS)
zlog_debug("New IS-IS area instance %s", area->area_tag);
VTY_PUSH_CONTEXT(ROUTER_NODE, area);
return CMD_SUCCESS;
}
int isis_area_destroy(struct vty *vty, const char *area_tag)
{
struct isis_area *area;
struct listnode *node, *nnode;
struct isis_circuit *circuit;
struct area_addr *addr;
area = isis_area_lookup(area_tag);
if (area == NULL) {
vty_out(vty, "Can't find ISIS instance \n");
return CMD_ERR_NO_MATCH;
}
QOBJ_UNREG(area);
if (fabricd)
fabricd_finish(area->fabricd);
if (area->circuit_list) {
for (ALL_LIST_ELEMENTS(area->circuit_list, node, nnode,
circuit)) {
circuit->ip_router = 0;
circuit->ipv6_router = 0;
isis_csm_state_change(ISIS_DISABLE, circuit, area);
}
list_delete_and_null(&area->circuit_list);
}
if (area->lspdb[0] != NULL) {
lsp_db_destroy(area->lspdb[0]);
area->lspdb[0] = NULL;
}
if (area->lspdb[1] != NULL) {
lsp_db_destroy(area->lspdb[1]);
area->lspdb[1] = NULL;
}
/* invalidate and verify to delete all routes from zebra */
isis_area_invalidate_routes(area, ISIS_LEVEL1 & ISIS_LEVEL2);
isis_area_verify_routes(area);
spftree_area_del(area);
THREAD_TIMER_OFF(area->spf_timer[0]);
THREAD_TIMER_OFF(area->spf_timer[1]);
spf_backoff_free(area->spf_delay_ietf[0]);
spf_backoff_free(area->spf_delay_ietf[1]);
isis_redist_area_finish(area);
for (ALL_LIST_ELEMENTS(area->area_addrs, node, nnode, addr)) {
list_delete_node(area->area_addrs, node);
XFREE(MTYPE_ISIS_AREA_ADDR, addr);
}
area->area_addrs = NULL;
THREAD_TIMER_OFF(area->t_tick);
THREAD_TIMER_OFF(area->t_lsp_refresh[0]);
THREAD_TIMER_OFF(area->t_lsp_refresh[1]);
thread_cancel_event(master, area);
listnode_delete(isis->area_list, area);
free(area->area_tag);
area_mt_finish(area);
XFREE(MTYPE_ISIS_AREA, area);
if (listcount(isis->area_list) == 0) {
memset(isis->sysid, 0, ISIS_SYS_ID_LEN);
isis->sysid_set = 0;
}
return CMD_SUCCESS;
}
static void area_set_mt_enabled(struct isis_area *area, uint16_t mtid,
bool enabled)
{
struct isis_area_mt_setting *setting;
setting = area_get_mt_setting(area, mtid);
if (setting->enabled != enabled) {
setting->enabled = enabled;
lsp_regenerate_schedule(area, IS_LEVEL_1 | IS_LEVEL_2, 0);
}
}
static void area_set_mt_overload(struct isis_area *area, uint16_t mtid,
bool overload)
{
struct isis_area_mt_setting *setting;
setting = area_get_mt_setting(area, mtid);
if (setting->overload != overload) {
setting->overload = overload;
if (setting->enabled)
lsp_regenerate_schedule(area, IS_LEVEL_1 | IS_LEVEL_2,
0);
}
}
int area_net_title(struct vty *vty, const char *net_title)
{
VTY_DECLVAR_CONTEXT(isis_area, area);
struct area_addr *addr;
struct area_addr *addrp;
struct listnode *node;
uint8_t buff[255];
/* We check that we are not over the maximal number of addresses */
if (listcount(area->area_addrs) >= isis->max_area_addrs) {
vty_out(vty,
"Maximum of area addresses (%d) already reached \n",
isis->max_area_addrs);
return CMD_ERR_NOTHING_TODO;
}
addr = XMALLOC(MTYPE_ISIS_AREA_ADDR, sizeof(struct area_addr));
addr->addr_len = dotformat2buff(buff, net_title);
memcpy(addr->area_addr, buff, addr->addr_len);
#ifdef EXTREME_DEBUG
zlog_debug("added area address %s for area %s (address length %d)",
net_title, area->area_tag, addr->addr_len);
#endif /* EXTREME_DEBUG */
if (addr->addr_len < 8 || addr->addr_len > 20) {
vty_out(vty,
"area address must be at least 8..20 octets long (%d)\n",
addr->addr_len);
XFREE(MTYPE_ISIS_AREA_ADDR, addr);
return CMD_WARNING_CONFIG_FAILED;
}
if (addr->area_addr[addr->addr_len - 1] != 0) {
vty_out(vty,
"nsel byte (last byte) in area address must be 0\n");
XFREE(MTYPE_ISIS_AREA_ADDR, addr);
return CMD_WARNING_CONFIG_FAILED;
}
if (isis->sysid_set == 0) {
/*
* First area address - get the SystemID for this router
*/
memcpy(isis->sysid, GETSYSID(addr), ISIS_SYS_ID_LEN);
isis->sysid_set = 1;
if (isis->debugs & DEBUG_EVENTS)
zlog_debug("Router has SystemID %s",
sysid_print(isis->sysid));
} else {
/*
* Check that the SystemID portions match
*/
if (memcmp(isis->sysid, GETSYSID(addr), ISIS_SYS_ID_LEN)) {
vty_out(vty,
"System ID must not change when defining additional area addresses\n");
XFREE(MTYPE_ISIS_AREA_ADDR, addr);
return CMD_WARNING_CONFIG_FAILED;
}
/* now we see that we don't already have this address */
for (ALL_LIST_ELEMENTS_RO(area->area_addrs, node, addrp)) {
if ((addrp->addr_len + ISIS_SYS_ID_LEN + ISIS_NSEL_LEN)
!= (addr->addr_len))
continue;
if (!memcmp(addrp->area_addr, addr->area_addr,
addr->addr_len)) {
XFREE(MTYPE_ISIS_AREA_ADDR, addr);
return CMD_SUCCESS; /* silent fail */
}
}
}
/*
* Forget the systemID part of the address
*/
addr->addr_len -= (ISIS_SYS_ID_LEN + ISIS_NSEL_LEN);
listnode_add(area->area_addrs, addr);
/* only now we can safely generate our LSPs for this area */
if (listcount(area->area_addrs) > 0) {
if (area->is_type & IS_LEVEL_1)
lsp_generate(area, IS_LEVEL_1);
if (area->is_type & IS_LEVEL_2)
lsp_generate(area, IS_LEVEL_2);
}
return CMD_SUCCESS;
}
int area_clear_net_title(struct vty *vty, const char *net_title)
{
VTY_DECLVAR_CONTEXT(isis_area, area);
struct area_addr addr, *addrp = NULL;
struct listnode *node;
uint8_t buff[255];
addr.addr_len = dotformat2buff(buff, net_title);
if (addr.addr_len < 8 || addr.addr_len > 20) {
vty_out(vty,
"Unsupported area address length %d, should be 8...20 \n",
addr.addr_len);
return CMD_WARNING_CONFIG_FAILED;
}
memcpy(addr.area_addr, buff, (int)addr.addr_len);
for (ALL_LIST_ELEMENTS_RO(area->area_addrs, node, addrp))
if ((addrp->addr_len + ISIS_SYS_ID_LEN + 1) == addr.addr_len
&& !memcmp(addrp->area_addr, addr.area_addr, addr.addr_len))
break;
if (!addrp) {
vty_out(vty, "No area address %s for area %s \n", net_title,
area->area_tag);
return CMD_ERR_NO_MATCH;
}
listnode_delete(area->area_addrs, addrp);
XFREE(MTYPE_ISIS_AREA_ADDR, addrp);
/*
* Last area address - reset the SystemID for this router
*/
if (listcount(area->area_addrs) == 0) {
memset(isis->sysid, 0, ISIS_SYS_ID_LEN);
isis->sysid_set = 0;
if (isis->debugs & DEBUG_EVENTS)
zlog_debug("Router has no SystemID");
}
return CMD_SUCCESS;
}
/*
* 'show isis interface' command
*/
int show_isis_interface_common(struct vty *vty, const char *ifname, char detail)
{
struct listnode *anode, *cnode;
struct isis_area *area;
struct isis_circuit *circuit;
if (!isis) {
vty_out(vty, "IS-IS Routing Process not enabled\n");
return CMD_SUCCESS;
}
for (ALL_LIST_ELEMENTS_RO(isis->area_list, anode, area)) {
vty_out(vty, "Area %s:\n", area->area_tag);
if (detail == ISIS_UI_LEVEL_BRIEF)
vty_out(vty,
" Interface CircId State Type Level\n");
for (ALL_LIST_ELEMENTS_RO(area->circuit_list, cnode, circuit))
if (!ifname)
isis_circuit_print_vty(circuit, vty, detail);
else if (strcmp(circuit->interface->name, ifname) == 0)
isis_circuit_print_vty(circuit, vty, detail);
}
return CMD_SUCCESS;
}
DEFUN (show_isis_interface,
show_isis_interface_cmd,
"show " PROTO_NAME " interface",
SHOW_STR
PROTO_HELP
"ISIS interface\n")
{
return show_isis_interface_common(vty, NULL, ISIS_UI_LEVEL_BRIEF);
}
DEFUN (show_isis_interface_detail,
show_isis_interface_detail_cmd,
"show " PROTO_NAME " interface detail",
SHOW_STR
PROTO_HELP
"ISIS interface\n"
"show detailed information\n")
{
return show_isis_interface_common(vty, NULL, ISIS_UI_LEVEL_DETAIL);
}
DEFUN (show_isis_interface_arg,
show_isis_interface_arg_cmd,
"show " PROTO_NAME " interface WORD",
SHOW_STR
PROTO_HELP
"ISIS interface\n"
"ISIS interface name\n")
{
int idx_word = 3;
return show_isis_interface_common(vty, argv[idx_word]->arg,
ISIS_UI_LEVEL_DETAIL);
}
/*
* 'show isis neighbor' command
*/
int show_isis_neighbor_common(struct vty *vty, const char *id, char detail)
{
struct listnode *anode, *cnode, *node;
struct isis_area *area;
struct isis_circuit *circuit;
struct list *adjdb;
struct isis_adjacency *adj;
struct isis_dynhn *dynhn;
uint8_t sysid[ISIS_SYS_ID_LEN];
int i;
if (!isis) {
vty_out(vty, "IS-IS Routing Process not enabled\n");
return CMD_SUCCESS;
}
memset(sysid, 0, ISIS_SYS_ID_LEN);
if (id) {
if (sysid2buff(sysid, id) == 0) {
dynhn = dynhn_find_by_name(id);
if (dynhn == NULL) {
vty_out(vty, "Invalid system id %s\n", id);
return CMD_SUCCESS;
}
memcpy(sysid, dynhn->id, ISIS_SYS_ID_LEN);
}
}
for (ALL_LIST_ELEMENTS_RO(isis->area_list, anode, area)) {
vty_out(vty, "Area %s:\n", area->area_tag);
if (detail == ISIS_UI_LEVEL_BRIEF)
vty_out(vty,
" System Id Interface L State Holdtime SNPA\n");
for (ALL_LIST_ELEMENTS_RO(area->circuit_list, cnode, circuit)) {
if (circuit->circ_type == CIRCUIT_T_BROADCAST) {
for (i = 0; i < 2; i++) {
adjdb = circuit->u.bc.adjdb[i];
if (adjdb && adjdb->count) {
for (ALL_LIST_ELEMENTS_RO(
adjdb, node, adj))
if (!id
|| !memcmp(adj->sysid,
sysid,
ISIS_SYS_ID_LEN))
isis_adj_print_vty(
adj,
vty,
detail);
}
}
} else if (circuit->circ_type == CIRCUIT_T_P2P
&& circuit->u.p2p.neighbor) {
adj = circuit->u.p2p.neighbor;
if (!id
|| !memcmp(adj->sysid, sysid,
ISIS_SYS_ID_LEN))
isis_adj_print_vty(adj, vty, detail);
}
}
}
return CMD_SUCCESS;
}
/*
* 'clear isis neighbor' command
*/
int clear_isis_neighbor_common(struct vty *vty, const char *id)
{
struct listnode *anode, *cnode, *cnextnode, *node, *nnode;
struct isis_area *area;
struct isis_circuit *circuit;
struct list *adjdb;
struct isis_adjacency *adj;
struct isis_dynhn *dynhn;
uint8_t sysid[ISIS_SYS_ID_LEN];
int i;
if (!isis) {
vty_out(vty, "IS-IS Routing Process not enabled\n");
return CMD_SUCCESS;
}
memset(sysid, 0, ISIS_SYS_ID_LEN);
if (id) {
if (sysid2buff(sysid, id) == 0) {
dynhn = dynhn_find_by_name(id);
if (dynhn == NULL) {
vty_out(vty, "Invalid system id %s\n", id);
return CMD_SUCCESS;
}
memcpy(sysid, dynhn->id, ISIS_SYS_ID_LEN);
}
}
for (ALL_LIST_ELEMENTS_RO(isis->area_list, anode, area)) {
for (ALL_LIST_ELEMENTS(area->circuit_list, cnode, cnextnode,
circuit)) {
if (circuit->circ_type == CIRCUIT_T_BROADCAST) {
for (i = 0; i < 2; i++) {
adjdb = circuit->u.bc.adjdb[i];
if (adjdb && adjdb->count) {
for (ALL_LIST_ELEMENTS(
adjdb, node, nnode,
adj))
if (!id
|| !memcmp(adj->sysid,
sysid,
ISIS_SYS_ID_LEN))
isis_adj_state_change(
adj,
ISIS_ADJ_DOWN,
"clear user request");
}
}
} else if (circuit->circ_type == CIRCUIT_T_P2P
&& circuit->u.p2p.neighbor) {
adj = circuit->u.p2p.neighbor;
if (!id
|| !memcmp(adj->sysid, sysid,
ISIS_SYS_ID_LEN))
isis_adj_state_change(
adj, ISIS_ADJ_DOWN,
"clear user request");
}
}
}
return CMD_SUCCESS;
}
DEFUN (show_isis_neighbor,
show_isis_neighbor_cmd,
"show " PROTO_NAME " neighbor",
SHOW_STR
PROTO_HELP
"ISIS neighbor adjacencies\n")
{
return show_isis_neighbor_common(vty, NULL, ISIS_UI_LEVEL_BRIEF);
}
DEFUN (show_isis_neighbor_detail,
show_isis_neighbor_detail_cmd,
"show " PROTO_NAME " neighbor detail",
SHOW_STR
PROTO_HELP
"ISIS neighbor adjacencies\n"
"show detailed information\n")
{
return show_isis_neighbor_common(vty, NULL, ISIS_UI_LEVEL_DETAIL);
}
DEFUN (show_isis_neighbor_arg,
show_isis_neighbor_arg_cmd,
"show " PROTO_NAME " neighbor WORD",
SHOW_STR
PROTO_HELP
"ISIS neighbor adjacencies\n"
"System id\n")
{
int idx_word = 3;
return show_isis_neighbor_common(vty, argv[idx_word]->arg,
ISIS_UI_LEVEL_DETAIL);
}
DEFUN (clear_isis_neighbor,
clear_isis_neighbor_cmd,
"clear " PROTO_NAME " neighbor",
CLEAR_STR
PROTO_HELP
"ISIS neighbor adjacencies\n")
{
return clear_isis_neighbor_common(vty, NULL);
}
DEFUN (clear_isis_neighbor_arg,
clear_isis_neighbor_arg_cmd,
"clear " PROTO_NAME " neighbor WORD",
CLEAR_STR
PROTO_HELP
"ISIS neighbor adjacencies\n"
"System id\n")
{
int idx_word = 3;
return clear_isis_neighbor_common(vty, argv[idx_word]->arg);
}
/*
* 'isis debug', 'show debugging'
*/
void print_debug(struct vty *vty, int flags, int onoff)
{
char onoffs[4];
if (onoff)
strcpy(onoffs, "on");
else
strcpy(onoffs, "off");
if (flags & DEBUG_ADJ_PACKETS)
vty_out(vty,
"IS-IS Adjacency related packets debugging is %s\n",
onoffs);
if (flags & DEBUG_CHECKSUM_ERRORS)
vty_out(vty, "IS-IS checksum errors debugging is %s\n", onoffs);
if (flags & DEBUG_LOCAL_UPDATES)
vty_out(vty, "IS-IS local updates debugging is %s\n", onoffs);
if (flags & DEBUG_PROTOCOL_ERRORS)
vty_out(vty, "IS-IS protocol errors debugging is %s\n", onoffs);
if (flags & DEBUG_SNP_PACKETS)
vty_out(vty, "IS-IS CSNP/PSNP packets debugging is %s\n",
onoffs);
if (flags & DEBUG_SPF_EVENTS)
vty_out(vty, "IS-IS SPF events debugging is %s\n", onoffs);
if (flags & DEBUG_SPF_STATS)
vty_out(vty,
"IS-IS SPF Timing and Statistics Data debugging is %s\n",
onoffs);
if (flags & DEBUG_SPF_TRIGGERS)
vty_out(vty, "IS-IS SPF triggering events debugging is %s\n",
onoffs);
if (flags & DEBUG_UPDATE_PACKETS)
vty_out(vty, "IS-IS Update related packet debugging is %s\n",
onoffs);
if (flags & DEBUG_RTE_EVENTS)
vty_out(vty, "IS-IS Route related debuggin is %s\n", onoffs);
if (flags & DEBUG_EVENTS)
vty_out(vty, "IS-IS Event debugging is %s\n", onoffs);
if (flags & DEBUG_PACKET_DUMP)
vty_out(vty, "IS-IS Packet dump debugging is %s\n", onoffs);
if (flags & DEBUG_LSP_GEN)
vty_out(vty, "IS-IS LSP generation debugging is %s\n", onoffs);
if (flags & DEBUG_LSP_SCHED)
vty_out(vty, "IS-IS LSP scheduling debugging is %s\n", onoffs);
if (flags & DEBUG_FABRICD_FLOODING)
vty_out(vty, "OpenFabric Flooding debugging is %s\n", onoffs);
}
DEFUN_NOSH (show_debugging,
show_debugging_isis_cmd,
"show debugging [" PROTO_NAME "]",
SHOW_STR
"State of each debugging option\n"
PROTO_HELP)
{
vty_out(vty, PROTO_NAME " debugging status:\n");
if (isis->debugs)
print_debug(vty, isis->debugs, 1);
return CMD_SUCCESS;
}
/* Debug node. */
static struct cmd_node debug_node = {DEBUG_NODE, "", 1};
static int config_write_debug(struct vty *vty)
{
int write = 0;
int flags = isis->debugs;
if (flags & DEBUG_ADJ_PACKETS) {
vty_out(vty, "debug " PROTO_NAME " adj-packets\n");
write++;
}
if (flags & DEBUG_CHECKSUM_ERRORS) {
vty_out(vty, "debug " PROTO_NAME " checksum-errors\n");
write++;
}
if (flags & DEBUG_LOCAL_UPDATES) {
vty_out(vty, "debug " PROTO_NAME " local-updates\n");
write++;
}
if (flags & DEBUG_PROTOCOL_ERRORS) {
vty_out(vty, "debug " PROTO_NAME " protocol-errors\n");
write++;
}
if (flags & DEBUG_SNP_PACKETS) {
vty_out(vty, "debug " PROTO_NAME " snp-packets\n");
write++;
}
if (flags & DEBUG_SPF_EVENTS) {
vty_out(vty, "debug " PROTO_NAME " spf-events\n");
write++;
}
if (flags & DEBUG_SPF_STATS) {
vty_out(vty, "debug " PROTO_NAME " spf-statistics\n");
write++;
}
if (flags & DEBUG_SPF_TRIGGERS) {
vty_out(vty, "debug " PROTO_NAME " spf-triggers\n");
write++;
}
if (flags & DEBUG_UPDATE_PACKETS) {
vty_out(vty, "debug " PROTO_NAME " update-packets\n");
write++;
}
if (flags & DEBUG_RTE_EVENTS) {
vty_out(vty, "debug " PROTO_NAME " route-events\n");
write++;
}
if (flags & DEBUG_EVENTS) {
vty_out(vty, "debug " PROTO_NAME " events\n");
write++;
}
if (flags & DEBUG_PACKET_DUMP) {
vty_out(vty, "debug " PROTO_NAME " packet-dump\n");
write++;
}
if (flags & DEBUG_LSP_GEN) {
vty_out(vty, "debug " PROTO_NAME " lsp-gen\n");
write++;
}
if (flags & DEBUG_LSP_SCHED) {
vty_out(vty, "debug " PROTO_NAME " lsp-sched\n");
write++;
}
if (flags & DEBUG_FABRICD_FLOODING) {
vty_out(vty, "debug " PROTO_NAME " flooding\n");
write++;
}
write += spf_backoff_write_config(vty);
return write;
}
DEFUN (debug_isis_adj,
debug_isis_adj_cmd,
"debug " PROTO_NAME " adj-packets",
DEBUG_STR
PROTO_HELP
"IS-IS Adjacency related packets\n")
{
isis->debugs |= DEBUG_ADJ_PACKETS;
print_debug(vty, DEBUG_ADJ_PACKETS, 1);
return CMD_SUCCESS;
}
DEFUN (no_debug_isis_adj,
no_debug_isis_adj_cmd,
"no debug " PROTO_NAME " adj-packets",
NO_STR
UNDEBUG_STR
PROTO_HELP
"IS-IS Adjacency related packets\n")
{
isis->debugs &= ~DEBUG_ADJ_PACKETS;
print_debug(vty, DEBUG_ADJ_PACKETS, 0);
return CMD_SUCCESS;
}
DEFUN (debug_isis_csum,
debug_isis_csum_cmd,
"debug " PROTO_NAME " checksum-errors",
DEBUG_STR
PROTO_HELP
"IS-IS LSP checksum errors\n")
{
isis->debugs |= DEBUG_CHECKSUM_ERRORS;
print_debug(vty, DEBUG_CHECKSUM_ERRORS, 1);
return CMD_SUCCESS;
}
DEFUN (no_debug_isis_csum,
no_debug_isis_csum_cmd,
"no debug " PROTO_NAME " checksum-errors",
NO_STR
UNDEBUG_STR
PROTO_HELP
"IS-IS LSP checksum errors\n")
{
isis->debugs &= ~DEBUG_CHECKSUM_ERRORS;
print_debug(vty, DEBUG_CHECKSUM_ERRORS, 0);
return CMD_SUCCESS;
}
DEFUN (debug_isis_lupd,
debug_isis_lupd_cmd,
"debug " PROTO_NAME " local-updates",
DEBUG_STR
PROTO_HELP
"IS-IS local update packets\n")
{
isis->debugs |= DEBUG_LOCAL_UPDATES;
print_debug(vty, DEBUG_LOCAL_UPDATES, 1);
return CMD_SUCCESS;
}
DEFUN (no_debug_isis_lupd,
no_debug_isis_lupd_cmd,
"no debug " PROTO_NAME " local-updates",
NO_STR
UNDEBUG_STR
PROTO_HELP
"IS-IS local update packets\n")
{
isis->debugs &= ~DEBUG_LOCAL_UPDATES;
print_debug(vty, DEBUG_LOCAL_UPDATES, 0);
return CMD_SUCCESS;
}
DEFUN (debug_isis_err,
debug_isis_err_cmd,
"debug " PROTO_NAME " protocol-errors",
DEBUG_STR
PROTO_HELP
"IS-IS LSP protocol errors\n")
{
isis->debugs |= DEBUG_PROTOCOL_ERRORS;
print_debug(vty, DEBUG_PROTOCOL_ERRORS, 1);
return CMD_SUCCESS;
}
DEFUN (no_debug_isis_err,
no_debug_isis_err_cmd,
"no debug " PROTO_NAME " protocol-errors",
NO_STR
UNDEBUG_STR
PROTO_HELP
"IS-IS LSP protocol errors\n")
{
isis->debugs &= ~DEBUG_PROTOCOL_ERRORS;
print_debug(vty, DEBUG_PROTOCOL_ERRORS, 0);
return CMD_SUCCESS;
}
DEFUN (debug_isis_snp,
debug_isis_snp_cmd,
"debug " PROTO_NAME " snp-packets",
DEBUG_STR
PROTO_HELP
"IS-IS CSNP/PSNP packets\n")
{
isis->debugs |= DEBUG_SNP_PACKETS;
print_debug(vty, DEBUG_SNP_PACKETS, 1);
return CMD_SUCCESS;
}
DEFUN (no_debug_isis_snp,
no_debug_isis_snp_cmd,
"no debug " PROTO_NAME " snp-packets",
NO_STR
UNDEBUG_STR
PROTO_HELP
"IS-IS CSNP/PSNP packets\n")
{
isis->debugs &= ~DEBUG_SNP_PACKETS;
print_debug(vty, DEBUG_SNP_PACKETS, 0);
return CMD_SUCCESS;
}
DEFUN (debug_isis_upd,
debug_isis_upd_cmd,
"debug " PROTO_NAME " update-packets",
DEBUG_STR
PROTO_HELP
"IS-IS Update related packets\n")
{
isis->debugs |= DEBUG_UPDATE_PACKETS;
print_debug(vty, DEBUG_UPDATE_PACKETS, 1);
return CMD_SUCCESS;
}
DEFUN (no_debug_isis_upd,
no_debug_isis_upd_cmd,
"no debug " PROTO_NAME " update-packets",
NO_STR
UNDEBUG_STR
PROTO_HELP
"IS-IS Update related packets\n")
{
isis->debugs &= ~DEBUG_UPDATE_PACKETS;
print_debug(vty, DEBUG_UPDATE_PACKETS, 0);
return CMD_SUCCESS;
}
DEFUN (debug_isis_spfevents,
debug_isis_spfevents_cmd,
"debug " PROTO_NAME " spf-events",
DEBUG_STR
PROTO_HELP
"IS-IS Shortest Path First Events\n")
{
isis->debugs |= DEBUG_SPF_EVENTS;
print_debug(vty, DEBUG_SPF_EVENTS, 1);
return CMD_SUCCESS;
}
DEFUN (no_debug_isis_spfevents,
no_debug_isis_spfevents_cmd,
"no debug " PROTO_NAME " spf-events",
NO_STR
UNDEBUG_STR
PROTO_HELP
"IS-IS Shortest Path First Events\n")
{
isis->debugs &= ~DEBUG_SPF_EVENTS;
print_debug(vty, DEBUG_SPF_EVENTS, 0);
return CMD_SUCCESS;
}
DEFUN (debug_isis_spfstats,
debug_isis_spfstats_cmd,
"debug " PROTO_NAME " spf-statistics ",
DEBUG_STR
PROTO_HELP
"IS-IS SPF Timing and Statistic Data\n")
{
isis->debugs |= DEBUG_SPF_STATS;
print_debug(vty, DEBUG_SPF_STATS, 1);
return CMD_SUCCESS;
}
DEFUN (no_debug_isis_spfstats,
no_debug_isis_spfstats_cmd,
"no debug " PROTO_NAME " spf-statistics",
NO_STR
UNDEBUG_STR
PROTO_HELP
"IS-IS SPF Timing and Statistic Data\n")
{
isis->debugs &= ~DEBUG_SPF_STATS;
print_debug(vty, DEBUG_SPF_STATS, 0);
return CMD_SUCCESS;
}
DEFUN (debug_isis_spftrigg,
debug_isis_spftrigg_cmd,
"debug " PROTO_NAME " spf-triggers",
DEBUG_STR
PROTO_HELP
"IS-IS SPF triggering events\n")
{
isis->debugs |= DEBUG_SPF_TRIGGERS;
print_debug(vty, DEBUG_SPF_TRIGGERS, 1);
return CMD_SUCCESS;
}
DEFUN (no_debug_isis_spftrigg,
no_debug_isis_spftrigg_cmd,
"no debug " PROTO_NAME " spf-triggers",
NO_STR
UNDEBUG_STR
PROTO_HELP
"IS-IS SPF triggering events\n")
{
isis->debugs &= ~DEBUG_SPF_TRIGGERS;
print_debug(vty, DEBUG_SPF_TRIGGERS, 0);
return CMD_SUCCESS;
}
DEFUN (debug_isis_rtevents,
debug_isis_rtevents_cmd,
"debug " PROTO_NAME " route-events",
DEBUG_STR
PROTO_HELP
"IS-IS Route related events\n")
{
isis->debugs |= DEBUG_RTE_EVENTS;
print_debug(vty, DEBUG_RTE_EVENTS, 1);
return CMD_SUCCESS;
}
DEFUN (no_debug_isis_rtevents,
no_debug_isis_rtevents_cmd,
"no debug " PROTO_NAME " route-events",
NO_STR
UNDEBUG_STR
PROTO_HELP
"IS-IS Route related events\n")
{
isis->debugs &= ~DEBUG_RTE_EVENTS;
print_debug(vty, DEBUG_RTE_EVENTS, 0);
return CMD_SUCCESS;
}
DEFUN (debug_isis_events,
debug_isis_events_cmd,
"debug " PROTO_NAME " events",
DEBUG_STR
PROTO_HELP
"IS-IS Events\n")
{
isis->debugs |= DEBUG_EVENTS;
print_debug(vty, DEBUG_EVENTS, 1);
return CMD_SUCCESS;
}
DEFUN (no_debug_isis_events,
no_debug_isis_events_cmd,
"no debug " PROTO_NAME " events",
NO_STR
UNDEBUG_STR
PROTO_HELP
"IS-IS Events\n")
{
isis->debugs &= ~DEBUG_EVENTS;
print_debug(vty, DEBUG_EVENTS, 0);
return CMD_SUCCESS;
}
DEFUN (debug_isis_packet_dump,
debug_isis_packet_dump_cmd,
"debug " PROTO_NAME " packet-dump",
DEBUG_STR
PROTO_HELP
"IS-IS packet dump\n")
{
isis->debugs |= DEBUG_PACKET_DUMP;
print_debug(vty, DEBUG_PACKET_DUMP, 1);
return CMD_SUCCESS;
}
DEFUN (no_debug_isis_packet_dump,
no_debug_isis_packet_dump_cmd,
"no debug " PROTO_NAME " packet-dump",
NO_STR
UNDEBUG_STR
PROTO_HELP
"IS-IS packet dump\n")
{
isis->debugs &= ~DEBUG_PACKET_DUMP;
print_debug(vty, DEBUG_PACKET_DUMP, 0);
return CMD_SUCCESS;
}
DEFUN (debug_isis_lsp_gen,
debug_isis_lsp_gen_cmd,
"debug " PROTO_NAME " lsp-gen",
DEBUG_STR
PROTO_HELP
"IS-IS generation of own LSPs\n")
{
isis->debugs |= DEBUG_LSP_GEN;
print_debug(vty, DEBUG_LSP_GEN, 1);
return CMD_SUCCESS;
}
DEFUN (no_debug_isis_lsp_gen,
no_debug_isis_lsp_gen_cmd,
"no debug " PROTO_NAME " lsp-gen",
NO_STR
UNDEBUG_STR
PROTO_HELP
"IS-IS generation of own LSPs\n")
{
isis->debugs &= ~DEBUG_LSP_GEN;
print_debug(vty, DEBUG_LSP_GEN, 0);
return CMD_SUCCESS;
}
DEFUN (debug_isis_lsp_sched,
debug_isis_lsp_sched_cmd,
"debug " PROTO_NAME " lsp-sched",
DEBUG_STR
PROTO_HELP
"IS-IS scheduling of LSP generation\n")
{
isis->debugs |= DEBUG_LSP_SCHED;
print_debug(vty, DEBUG_LSP_SCHED, 1);
return CMD_SUCCESS;
}
DEFUN (no_debug_isis_lsp_sched,
no_debug_isis_lsp_sched_cmd,
"no debug " PROTO_NAME " lsp-sched",
NO_STR
UNDEBUG_STR
PROTO_HELP
"IS-IS scheduling of LSP generation\n")
{
isis->debugs &= ~DEBUG_LSP_SCHED;
print_debug(vty, DEBUG_LSP_SCHED, 0);
return CMD_SUCCESS;
}
DEFUN (show_hostname,
show_hostname_cmd,
"show " PROTO_NAME " hostname",
SHOW_STR
PROTO_HELP
"IS-IS Dynamic hostname mapping\n")
{
dynhn_print_all(vty);
return CMD_SUCCESS;
}
DEFUN (show_isis_spf_ietf,
show_isis_spf_ietf_cmd,
"show " PROTO_NAME " spf-delay-ietf",
SHOW_STR
PROTO_HELP
"SPF delay IETF information\n")
{
if (!isis) {
vty_out(vty, "ISIS is not running\n");
return CMD_SUCCESS;
}
struct listnode *node;
struct isis_area *area;
for (ALL_LIST_ELEMENTS_RO(isis->area_list, node, area)) {
vty_out(vty, "Area %s:\n",
area->area_tag ? area->area_tag : "null");
for (int level = ISIS_LEVEL1; level <= ISIS_LEVELS; level++) {
if ((area->is_type & level) == 0)
continue;
vty_out(vty, " Level-%d:\n", level);
vty_out(vty, " SPF delay status: ");
if (area->spf_timer[level - 1]) {
struct timeval remain = thread_timer_remain(
area->spf_timer[level - 1]);
vty_out(vty, "Pending, due in %lld msec\n",
(long long)remain.tv_sec * 1000
+ remain.tv_usec / 1000);
} else {
vty_out(vty, "Not scheduled\n");
}
if (area->spf_delay_ietf[level - 1]) {
vty_out(vty,
" Using draft-ietf-rtgwg-backoff-algo-04\n");
spf_backoff_show(
area->spf_delay_ietf[level - 1], vty,
" ");
} else {
vty_out(vty, " Using legacy backoff algo\n");
}
}
}
return CMD_SUCCESS;
}
DEFUN (show_isis_summary,
show_isis_summary_cmd,
"show " PROTO_NAME " summary",
SHOW_STR PROTO_HELP "summary\n")
{
struct listnode *node, *node2;
struct isis_area *area;
int level;
if (isis == NULL) {
vty_out(vty, PROTO_NAME " is not running\n");
return CMD_SUCCESS;
}
vty_out(vty, "Process Id : %ld\n", isis->process_id);
if (isis->sysid_set)
vty_out(vty, "System Id : %s\n",
sysid_print(isis->sysid));
vty_out(vty, "Up time : ");
vty_out_timestr(vty, isis->uptime);
vty_out(vty, "\n");
if (isis->area_list)
vty_out(vty, "Number of areas : %d\n", isis->area_list->count);
for (ALL_LIST_ELEMENTS_RO(isis->area_list, node, area)) {
vty_out(vty, "Area %s:\n",
area->area_tag ? area->area_tag : "null");
if (fabricd) {
uint8_t tier = fabricd_tier(area);
if (tier == ISIS_TIER_UNDEFINED)
vty_out(vty, " Tier: undefined\n");
else
vty_out(vty, " Tier: %" PRIu8 "\n", tier);
}
if (listcount(area->area_addrs) > 0) {
struct area_addr *area_addr;
for (ALL_LIST_ELEMENTS_RO(area->area_addrs, node2,
area_addr)) {
vty_out(vty, " Net: %s\n",
isonet_print(area_addr->area_addr,
area_addr->addr_len
+ ISIS_SYS_ID_LEN
+ 1));
}
}
for (level = ISIS_LEVEL1; level <= ISIS_LEVELS; level++) {
if ((area->is_type & level) == 0)
continue;
vty_out(vty, " Level-%d:\n", level);
if (area->spf_timer[level - 1])
vty_out(vty, " SPF: (pending)\n");
else
vty_out(vty, " SPF:\n");
vty_out(vty, " minimum interval : %d",
area->min_spf_interval[level - 1]);
if (area->spf_delay_ietf[level - 1])
vty_out(vty,
" (not used, IETF SPF delay activated)");
vty_out(vty, "\n");
vty_out(vty, " IPv4 route computation:\n");
isis_spf_print(area->spftree[SPFTREE_IPV4][level - 1],
vty);
vty_out(vty, " IPv6 route computation:\n");
isis_spf_print(area->spftree[SPFTREE_IPV6][level - 1],
vty);
vty_out(vty, " IPv6 dst-src route computation:\n");
isis_spf_print(area->spftree[SPFTREE_DSTSRC][level-1],
vty);
}
}
vty_out(vty, "\n");
return CMD_SUCCESS;
}
/*
* This function supports following display options:
* [ show isis database [detail] ]
* [ show isis database <sysid> [detail] ]
* [ show isis database <hostname> [detail] ]
* [ show isis database <sysid>.<pseudo-id> [detail] ]
* [ show isis database <hostname>.<pseudo-id> [detail] ]
* [ show isis database <sysid>.<pseudo-id>-<fragment-number> [detail] ]
* [ show isis database <hostname>.<pseudo-id>-<fragment-number> [detail] ]
* [ show isis database detail <sysid> ]
* [ show isis database detail <hostname> ]
* [ show isis database detail <sysid>.<pseudo-id> ]
* [ show isis database detail <hostname>.<pseudo-id> ]
* [ show isis database detail <sysid>.<pseudo-id>-<fragment-number> ]
* [ show isis database detail <hostname>.<pseudo-id>-<fragment-number> ]
*/
static int show_isis_database(struct vty *vty, const char *argv, int ui_level)
{
struct listnode *node;
struct isis_area *area;
struct isis_lsp *lsp;
struct isis_dynhn *dynhn;
const char *pos;
uint8_t lspid[ISIS_SYS_ID_LEN + 2];
char sysid[255];
uint8_t number[3];
int level, lsp_count;
if (isis->area_list->count == 0)
return CMD_SUCCESS;
memset(&lspid, 0, ISIS_SYS_ID_LEN);
memset(&sysid, 0, 255);
/*
* extract fragment and pseudo id from the string argv
* in the forms:
* (a) <systemid/hostname>.<pseudo-id>-<framenent> or
* (b) <systemid/hostname>.<pseudo-id> or
* (c) <systemid/hostname> or
* Where systemid is in the form:
* xxxx.xxxx.xxxx
*/
if (argv)
strncpy(sysid, argv, 254);
if (argv && strlen(argv) > 3) {
pos = argv + strlen(argv) - 3;
if (strncmp(pos, "-", 1) == 0) {
memcpy(number, ++pos, 2);
lspid[ISIS_SYS_ID_LEN + 1] =
(uint8_t)strtol((char *)number, NULL, 16);
pos -= 4;
if (strncmp(pos, ".", 1) != 0)
return CMD_WARNING;
}
if (strncmp(pos, ".", 1) == 0) {
memcpy(number, ++pos, 2);
lspid[ISIS_SYS_ID_LEN] =
(uint8_t)strtol((char *)number, NULL, 16);
sysid[pos - argv - 1] = '\0';
}
}
for (ALL_LIST_ELEMENTS_RO(isis->area_list, node, area)) {
vty_out(vty, "Area %s:\n",
area->area_tag ? area->area_tag : "null");
for (level = 0; level < ISIS_LEVELS; level++) {
if (area->lspdb[level]
&& dict_count(area->lspdb[level]) > 0) {
lsp = NULL;
if (argv != NULL) {
/*
* Try to find the lsp-id if the argv
* string is in
* the form
* hostname.<pseudo-id>-<fragment>
*/
if (sysid2buff(lspid, sysid)) {
lsp = lsp_search(
lspid,
area->lspdb[level]);
} else if ((dynhn = dynhn_find_by_name(
sysid))) {
memcpy(lspid, dynhn->id,
ISIS_SYS_ID_LEN);
lsp = lsp_search(
lspid,
area->lspdb[level]);
} else if (strncmp(cmd_hostname_get(),
sysid, 15)
== 0) {
memcpy(lspid, isis->sysid,
ISIS_SYS_ID_LEN);
lsp = lsp_search(
lspid,
area->lspdb[level]);
}
}
if (lsp != NULL || argv == NULL) {
vty_out(vty,
"IS-IS Level-%d link-state database:\n",
level + 1);
/* print the title in all cases */
vty_out(vty,
"LSP ID PduLen SeqNumber Chksum Holdtime ATT/P/OL\n");
}
if (lsp) {
if (ui_level == ISIS_UI_LEVEL_DETAIL)
lsp_print_detail(
lsp, vty,
area->dynhostname);
else
lsp_print(lsp, vty,
area->dynhostname);
} else if (argv == NULL) {
lsp_count = lsp_print_all(
vty, area->lspdb[level],
ui_level, area->dynhostname);
vty_out(vty, " %u LSPs\n\n",
lsp_count);
}
}
}
}
return CMD_SUCCESS;
}
DEFUN (show_database,
show_database_cmd,
"show " PROTO_NAME " database [detail] [WORD]",
SHOW_STR
PROTO_HELP
"Link state database\n"
"Detailed information\n"
"LSP ID\n")
{
int idx = 0;
int uilevel = argv_find(argv, argc, "detail", &idx)
? ISIS_UI_LEVEL_DETAIL
: ISIS_UI_LEVEL_BRIEF;
char *id = argv_find(argv, argc, "WORD", &idx) ? argv[idx]->arg : NULL;
return show_isis_database(vty, id, uilevel);
}
/*
* 'router isis' command
*/
DEFUN_NOSH (router_isis,
router_isis_cmd,
"router " PROTO_NAME " WORD",
ROUTER_STR
PROTO_HELP
"ISO Routing area tag\n")
{
int idx_word = 2;
return isis_area_get(vty, argv[idx_word]->arg);
}
/*
*'no router isis' command
*/
DEFUN (no_router_isis,
no_router_isis_cmd,
"no router " PROTO_NAME " WORD",
NO_STR
ROUTER_STR
PROTO_HELP
"ISO Routing area tag\n")
{
int idx_word = 3;
return isis_area_destroy(vty, argv[idx_word]->arg);
}
/*
* 'net' command
*/
DEFUN (net,
net_cmd,
"net WORD",
"A Network Entity Title for this process (OSI only)\n"
"XX.XXXX. ... .XXX.XX Network entity title (NET)\n")
{
int idx_word = 1;
return area_net_title(vty, argv[idx_word]->arg);
}
/*
* 'no net' command
*/
DEFUN (no_net,
no_net_cmd,
"no net WORD",
NO_STR
"A Network Entity Title for this process (OSI only)\n"
"XX.XXXX. ... .XXX.XX Network entity title (NET)\n")
{
int idx_word = 2;
return area_clear_net_title(vty, argv[idx_word]->arg);
}
DEFUN (isis_topology,
isis_topology_cmd,
"topology " ISIS_MT_NAMES " [overload]",
"Configure IS-IS topologies\n"
ISIS_MT_DESCRIPTIONS
"Set overload bit for topology\n")
{
VTY_DECLVAR_CONTEXT(isis_area, area);
const char *arg = argv[1]->arg;
uint16_t mtid = isis_str2mtid(arg);
if (area->oldmetric) {
vty_out(vty,
"Multi topology IS-IS can only be used with wide metrics\n");
return CMD_WARNING_CONFIG_FAILED;
}
if (mtid == (uint16_t)-1) {
vty_out(vty, "Don't know topology '%s'\n", arg);
return CMD_WARNING_CONFIG_FAILED;
}
if (mtid == ISIS_MT_IPV4_UNICAST) {
vty_out(vty, "Cannot configure IPv4 unicast topology\n");
return CMD_WARNING_CONFIG_FAILED;
}
area_set_mt_enabled(area, mtid, true);
area_set_mt_overload(area, mtid, (argc == 3));
return CMD_SUCCESS;
}
DEFUN (no_isis_topology,
no_isis_topology_cmd,
"no topology " ISIS_MT_NAMES " [overload]",
NO_STR
"Configure IS-IS topologies\n"
ISIS_MT_DESCRIPTIONS
"Set overload bit for topology\n")
{
VTY_DECLVAR_CONTEXT(isis_area, area);
const char *arg = argv[2]->arg;
uint16_t mtid = isis_str2mtid(arg);
if (area->oldmetric) {
vty_out(vty,
"Multi topology IS-IS can only be used with wide metrics\n");
return CMD_WARNING_CONFIG_FAILED;
}
if (mtid == (uint16_t)-1) {
vty_out(vty, "Don't know topology '%s'\n", arg);
return CMD_WARNING_CONFIG_FAILED;
}
if (mtid == ISIS_MT_IPV4_UNICAST) {
vty_out(vty, "Cannot configure IPv4 unicast topology\n");
return CMD_WARNING_CONFIG_FAILED;
}
area_set_mt_enabled(area, mtid, false);
area_set_mt_overload(area, mtid, false);
return CMD_SUCCESS;
}
void isis_area_lsp_mtu_set(struct isis_area *area, unsigned int lsp_mtu)
{
area->lsp_mtu = lsp_mtu;
lsp_regenerate_schedule(area, IS_LEVEL_1_AND_2, 1);
}
static int isis_area_passwd_set(struct isis_area *area, int level,
uint8_t passwd_type, const char *passwd,
uint8_t snp_auth)
{
struct isis_passwd *dest;
struct isis_passwd modified;
int len;
assert((level == IS_LEVEL_1) || (level == IS_LEVEL_2));
dest = (level == IS_LEVEL_1) ? &area->area_passwd
: &area->domain_passwd;
memset(&modified, 0, sizeof(modified));
if (passwd_type != ISIS_PASSWD_TYPE_UNUSED) {
if (!passwd)
return -1;
len = strlen(passwd);
if (len > 254)
return -1;
modified.len = len;
strncpy((char *)modified.passwd, passwd, 255);
modified.type = passwd_type;
modified.snp_auth = snp_auth;
}
if (memcmp(&modified, dest, sizeof(modified))) {
memcpy(dest, &modified, sizeof(modified));
lsp_regenerate_schedule(area, IS_LEVEL_1 | IS_LEVEL_2, 1);
}
return 0;
}
int isis_area_passwd_unset(struct isis_area *area, int level)
{
return isis_area_passwd_set(area, level, ISIS_PASSWD_TYPE_UNUSED, NULL,
0);
}
int isis_area_passwd_cleartext_set(struct isis_area *area, int level,
const char *passwd, uint8_t snp_auth)
{
return isis_area_passwd_set(area, level, ISIS_PASSWD_TYPE_CLEARTXT,
passwd, snp_auth);
}
int isis_area_passwd_hmac_md5_set(struct isis_area *area, int level,
const char *passwd, uint8_t snp_auth)
{
return isis_area_passwd_set(area, level, ISIS_PASSWD_TYPE_HMAC_MD5,
passwd, snp_auth);
}
void isis_area_invalidate_routes(struct isis_area *area, int levels)
{
for (int level = ISIS_LEVEL1; level <= ISIS_LEVEL2; level++) {
if (!(level & levels))
continue;
for (int tree = SPFTREE_IPV4; tree < SPFTREE_COUNT; tree++) {
isis_spf_invalidate_routes(
area->spftree[tree][level - 1]);
}
}
}
void isis_area_verify_routes(struct isis_area *area)
{
for (int tree = SPFTREE_IPV4; tree < SPFTREE_COUNT; tree++)
isis_spf_verify_routes(area, area->spftree[tree]);
}
static void area_resign_level(struct isis_area *area, int level)
{
isis_area_invalidate_routes(area, level);
isis_area_verify_routes(area);
if (area->lspdb[level - 1]) {
lsp_db_destroy(area->lspdb[level - 1]);
area->lspdb[level - 1] = NULL;
}
for (int tree = SPFTREE_IPV4; tree < SPFTREE_COUNT; tree++) {
if (area->spftree[tree][level - 1]) {
isis_spftree_del(area->spftree[tree][level - 1]);
area->spftree[tree][level - 1] = NULL;
}
}
THREAD_TIMER_OFF(area->spf_timer[level - 1]);
sched_debug(
"ISIS (%s): Resigned from L%d - canceling LSP regeneration timer.",
area->area_tag, level);
THREAD_TIMER_OFF(area->t_lsp_refresh[level - 1]);
area->lsp_regenerate_pending[level - 1] = 0;
}
void isis_area_is_type_set(struct isis_area *area, int is_type)
{
struct listnode *node;
struct isis_circuit *circuit;
if (isis->debugs & DEBUG_EVENTS)
zlog_debug("ISIS-Evt (%s) system type change %s -> %s",
area->area_tag, circuit_t2string(area->is_type),
circuit_t2string(is_type));
if (area->is_type == is_type)
return; /* No change */
switch (area->is_type) {
case IS_LEVEL_1:
if (is_type == IS_LEVEL_2)
area_resign_level(area, IS_LEVEL_1);
if (area->lspdb[1] == NULL)
area->lspdb[1] = lsp_db_init();
break;
case IS_LEVEL_1_AND_2:
if (is_type == IS_LEVEL_1)
area_resign_level(area, IS_LEVEL_2);
else
area_resign_level(area, IS_LEVEL_1);
break;
case IS_LEVEL_2:
if (is_type == IS_LEVEL_1)
area_resign_level(area, IS_LEVEL_2);
if (area->lspdb[0] == NULL)
area->lspdb[0] = lsp_db_init();
break;
default:
break;
}
area->is_type = is_type;
/* override circuit's is_type */
if (area->is_type != IS_LEVEL_1_AND_2) {
for (ALL_LIST_ELEMENTS_RO(area->circuit_list, node, circuit))
isis_circuit_is_type_set(circuit, is_type);
}
spftree_area_init(area);
if (listcount(area->area_addrs) > 0) {
if (is_type & IS_LEVEL_1)
lsp_generate(area, IS_LEVEL_1);
if (is_type & IS_LEVEL_2)
lsp_generate(area, IS_LEVEL_2);
}
lsp_regenerate_schedule(area, IS_LEVEL_1 | IS_LEVEL_2, 1);
return;
}
void isis_area_metricstyle_set(struct isis_area *area, bool old_metric,
bool new_metric)
{
if (area->oldmetric != old_metric || area->newmetric != new_metric) {
area->oldmetric = old_metric;
area->newmetric = new_metric;
lsp_regenerate_schedule(area, IS_LEVEL_1 | IS_LEVEL_2, 1);
}
}
void isis_area_overload_bit_set(struct isis_area *area, bool overload_bit)
{
char new_overload_bit = overload_bit ? LSPBIT_OL : 0;
if (new_overload_bit != area->overload_bit) {
area->overload_bit = new_overload_bit;
lsp_regenerate_schedule(area, IS_LEVEL_1 | IS_LEVEL_2, 1);
}
}
void isis_area_attached_bit_set(struct isis_area *area, bool attached_bit)
{
char new_attached_bit = attached_bit ? LSPBIT_ATT : 0;
if (new_attached_bit != area->attached_bit) {
area->attached_bit = new_attached_bit;
lsp_regenerate_schedule(area, IS_LEVEL_1 | IS_LEVEL_2, 1);
}
}
void isis_area_dynhostname_set(struct isis_area *area, bool dynhostname)
{
if (area->dynhostname != dynhostname) {
area->dynhostname = dynhostname;
lsp_regenerate_schedule(area, IS_LEVEL_1 | IS_LEVEL_2, 0);
}
}
void isis_area_max_lsp_lifetime_set(struct isis_area *area, int level,
uint16_t max_lsp_lifetime)
{
assert((level == IS_LEVEL_1) || (level == IS_LEVEL_2));
if (area->max_lsp_lifetime[level - 1] == max_lsp_lifetime)
return;
area->max_lsp_lifetime[level - 1] = max_lsp_lifetime;
lsp_regenerate_schedule(area, level, 1);
}
void isis_area_lsp_refresh_set(struct isis_area *area, int level,
uint16_t lsp_refresh)
{
assert((level == IS_LEVEL_1) || (level == IS_LEVEL_2));
if (area->lsp_refresh[level - 1] == lsp_refresh)
return;
area->lsp_refresh[level - 1] = lsp_refresh;
lsp_regenerate_schedule(area, level, 1);
}
DEFUN (log_adj_changes,
log_adj_changes_cmd,
"log-adjacency-changes",
"Log changes in adjacency state\n")
{
VTY_DECLVAR_CONTEXT(isis_area, area);
area->log_adj_changes = 1;
return CMD_SUCCESS;
}
DEFUN (no_log_adj_changes,
no_log_adj_changes_cmd,
"no log-adjacency-changes",
NO_STR
"Stop logging changes in adjacency state\n")
{
VTY_DECLVAR_CONTEXT(isis_area, area);
area->log_adj_changes = 0;
return CMD_SUCCESS;
}
/* IS-IS configuration write function */
int isis_config_write(struct vty *vty)
{
int write = 0;
if (isis != NULL) {
struct isis_area *area;
struct listnode *node, *node2;
for (ALL_LIST_ELEMENTS_RO(isis->area_list, node, area)) {
/* ISIS - Area name */
vty_out(vty, "router " PROTO_NAME " %s\n", area->area_tag);
write++;
/* ISIS - Net */
if (listcount(area->area_addrs) > 0) {
struct area_addr *area_addr;
for (ALL_LIST_ELEMENTS_RO(area->area_addrs,
node2, area_addr)) {
vty_out(vty, " net %s\n",
isonet_print(
area_addr->area_addr,
area_addr->addr_len
+ ISIS_SYS_ID_LEN
+ 1));
write++;
}
}
/* ISIS - Dynamic hostname - Defaults to true so only
* display if
* false. */
if (!area->dynhostname) {
vty_out(vty, " no hostname dynamic\n");
write++;
}
/* ISIS - Metric-Style - when true displays wide */
if (!fabricd) {
if (area->newmetric) {
if (!area->oldmetric)
vty_out(vty, " metric-style wide\n");
else
vty_out(vty,
" metric-style transition\n");
write++;
} else {
vty_out(vty, " metric-style narrow\n");
write++;
}
}
/* ISIS - overload-bit */
if (area->overload_bit) {
vty_out(vty, " set-overload-bit\n");
write++;
}
/* ISIS - Area is-type (level-1-2 is default) */
if (!fabricd) {
if (area->is_type == IS_LEVEL_1) {
vty_out(vty, " is-type level-1\n");
write++;
} else if (area->is_type == IS_LEVEL_2) {
vty_out(vty, " is-type level-2-only\n");
write++;
}
}
write += isis_redist_config_write(vty, area, AF_INET);
write += isis_redist_config_write(vty, area, AF_INET6);
/* ISIS - Lsp generation interval */
if (area->lsp_gen_interval[0]
== area->lsp_gen_interval[1]) {
if (area->lsp_gen_interval[0]
!= DEFAULT_MIN_LSP_GEN_INTERVAL) {
vty_out(vty, " lsp-gen-interval %d\n",
area->lsp_gen_interval[0]);
write++;
}
} else {
if (area->lsp_gen_interval[0]
!= DEFAULT_MIN_LSP_GEN_INTERVAL) {
vty_out(vty,
" lsp-gen-interval level-1 %d\n",
area->lsp_gen_interval[0]);
write++;
}
if (area->lsp_gen_interval[1]
!= DEFAULT_MIN_LSP_GEN_INTERVAL) {
vty_out(vty,
" lsp-gen-interval level-2 %d\n",
area->lsp_gen_interval[1]);
write++;
}
}
/* ISIS - LSP lifetime */
if (area->max_lsp_lifetime[0]
== area->max_lsp_lifetime[1]) {
if (area->max_lsp_lifetime[0]
!= DEFAULT_LSP_LIFETIME) {
vty_out(vty, " max-lsp-lifetime %u\n",
area->max_lsp_lifetime[0]);
write++;
}
} else {
if (area->max_lsp_lifetime[0]
!= DEFAULT_LSP_LIFETIME) {
vty_out(vty,
" max-lsp-lifetime level-1 %u\n",
area->max_lsp_lifetime[0]);
write++;
}
if (area->max_lsp_lifetime[1]
!= DEFAULT_LSP_LIFETIME) {
vty_out(vty,
" max-lsp-lifetime level-2 %u\n",
area->max_lsp_lifetime[1]);
write++;
}
}
/* ISIS - LSP refresh interval */
if (area->lsp_refresh[0] == area->lsp_refresh[1]) {
if (area->lsp_refresh[0]
!= DEFAULT_MAX_LSP_GEN_INTERVAL) {
vty_out(vty,
" lsp-refresh-interval %u\n",
area->lsp_refresh[0]);
write++;
}
} else {
if (area->lsp_refresh[0]
!= DEFAULT_MAX_LSP_GEN_INTERVAL) {
vty_out(vty,
" lsp-refresh-interval level-1 %u\n",
area->lsp_refresh[0]);
write++;
}
if (area->lsp_refresh[1]
!= DEFAULT_MAX_LSP_GEN_INTERVAL) {
vty_out(vty,
" lsp-refresh-interval level-2 %u\n",
area->lsp_refresh[1]);
write++;
}
}
if (area->lsp_mtu != DEFAULT_LSP_MTU) {
vty_out(vty, " lsp-mtu %u\n", area->lsp_mtu);
write++;
}
if (area->purge_originator) {
vty_out(vty, " purge-originator\n");
write++;
}
/* Minimum SPF interval. */
if (area->min_spf_interval[0]
== area->min_spf_interval[1]) {
if (area->min_spf_interval[0]
!= MINIMUM_SPF_INTERVAL) {
vty_out(vty, " spf-interval %d\n",
area->min_spf_interval[0]);
write++;
}
} else {
if (area->min_spf_interval[0]
!= MINIMUM_SPF_INTERVAL) {
vty_out(vty,
" spf-interval level-1 %d\n",
area->min_spf_interval[0]);
write++;
}
if (area->min_spf_interval[1]
!= MINIMUM_SPF_INTERVAL) {
vty_out(vty,
" spf-interval level-2 %d\n",
area->min_spf_interval[1]);
write++;
}
}
/* IETF SPF interval */
if (area->spf_delay_ietf[0]) {
vty_out(vty,
" spf-delay-ietf init-delay %ld short-delay %ld long-delay %ld holddown %ld time-to-learn %ld\n",
spf_backoff_init_delay(
area->spf_delay_ietf[0]),
spf_backoff_short_delay(
area->spf_delay_ietf[0]),
spf_backoff_long_delay(
area->spf_delay_ietf[0]),
spf_backoff_holddown(
area->spf_delay_ietf[0]),
spf_backoff_timetolearn(
area->spf_delay_ietf[0]));
write++;
}
/* Authentication passwords. */
if (area->area_passwd.type
== ISIS_PASSWD_TYPE_HMAC_MD5) {
vty_out(vty, " area-password md5 %s",
area->area_passwd.passwd);
if (CHECK_FLAG(area->area_passwd.snp_auth,
SNP_AUTH_SEND)) {
vty_out(vty, " authenticate snp ");
if (CHECK_FLAG(
area->area_passwd.snp_auth,
SNP_AUTH_RECV))
vty_out(vty, "validate");
else
vty_out(vty, "send-only");
}
vty_out(vty, "\n");
write++;
} else if (area->area_passwd.type
== ISIS_PASSWD_TYPE_CLEARTXT) {
vty_out(vty, " area-password clear %s",
area->area_passwd.passwd);
if (CHECK_FLAG(area->area_passwd.snp_auth,
SNP_AUTH_SEND)) {
vty_out(vty, " authenticate snp ");
if (CHECK_FLAG(
area->area_passwd.snp_auth,
SNP_AUTH_RECV))
vty_out(vty, "validate");
else
vty_out(vty, "send-only");
}
vty_out(vty, "\n");
write++;
}
if (area->domain_passwd.type
== ISIS_PASSWD_TYPE_HMAC_MD5) {
vty_out(vty, " domain-password md5 %s",
area->domain_passwd.passwd);
if (CHECK_FLAG(area->domain_passwd.snp_auth,
SNP_AUTH_SEND)) {
vty_out(vty, " authenticate snp ");
if (CHECK_FLAG(area->domain_passwd
.snp_auth,
SNP_AUTH_RECV))
vty_out(vty, "validate");
else
vty_out(vty, "send-only");
}
vty_out(vty, "\n");
write++;
} else if (area->domain_passwd.type
== ISIS_PASSWD_TYPE_CLEARTXT) {
vty_out(vty, " domain-password clear %s",
area->domain_passwd.passwd);
if (CHECK_FLAG(area->domain_passwd.snp_auth,
SNP_AUTH_SEND)) {
vty_out(vty, " authenticate snp ");
if (CHECK_FLAG(area->domain_passwd
.snp_auth,
SNP_AUTH_RECV))
vty_out(vty, "validate");
else
vty_out(vty, "send-only");
}
vty_out(vty, "\n");
write++;
}
if (area->log_adj_changes) {
vty_out(vty, " log-adjacency-changes\n");
write++;
}
write += area_write_mt_settings(area, vty);
write += fabricd_write_settings(area, vty);
}
isis_mpls_te_config_write_router(vty);
}
return write;
}
struct cmd_node router_node = {ROUTER_NODE, "%s(config-router)# ", 1};
void isis_init()
{
/* Install IS-IS top node */
install_node(&router_node, isis_config_write);
install_element(VIEW_NODE, &show_isis_summary_cmd);
install_element(VIEW_NODE, &show_isis_spf_ietf_cmd);
install_element(VIEW_NODE, &show_isis_interface_cmd);
install_element(VIEW_NODE, &show_isis_interface_detail_cmd);
install_element(VIEW_NODE, &show_isis_interface_arg_cmd);
install_element(VIEW_NODE, &show_isis_neighbor_cmd);
install_element(VIEW_NODE, &show_isis_neighbor_detail_cmd);
install_element(VIEW_NODE, &show_isis_neighbor_arg_cmd);
install_element(VIEW_NODE, &clear_isis_neighbor_cmd);
install_element(VIEW_NODE, &clear_isis_neighbor_arg_cmd);
install_element(VIEW_NODE, &show_hostname_cmd);
install_element(VIEW_NODE, &show_database_cmd);
install_element(ENABLE_NODE, &show_debugging_isis_cmd);
install_node(&debug_node, config_write_debug);
install_element(ENABLE_NODE, &debug_isis_adj_cmd);
install_element(ENABLE_NODE, &no_debug_isis_adj_cmd);
install_element(ENABLE_NODE, &debug_isis_csum_cmd);
install_element(ENABLE_NODE, &no_debug_isis_csum_cmd);
install_element(ENABLE_NODE, &debug_isis_lupd_cmd);
install_element(ENABLE_NODE, &no_debug_isis_lupd_cmd);
install_element(ENABLE_NODE, &debug_isis_err_cmd);
install_element(ENABLE_NODE, &no_debug_isis_err_cmd);
install_element(ENABLE_NODE, &debug_isis_snp_cmd);
install_element(ENABLE_NODE, &no_debug_isis_snp_cmd);
install_element(ENABLE_NODE, &debug_isis_upd_cmd);
install_element(ENABLE_NODE, &no_debug_isis_upd_cmd);
install_element(ENABLE_NODE, &debug_isis_spfevents_cmd);
install_element(ENABLE_NODE, &no_debug_isis_spfevents_cmd);
install_element(ENABLE_NODE, &debug_isis_spfstats_cmd);
install_element(ENABLE_NODE, &no_debug_isis_spfstats_cmd);
install_element(ENABLE_NODE, &debug_isis_spftrigg_cmd);
install_element(ENABLE_NODE, &no_debug_isis_spftrigg_cmd);
install_element(ENABLE_NODE, &debug_isis_rtevents_cmd);
install_element(ENABLE_NODE, &no_debug_isis_rtevents_cmd);
install_element(ENABLE_NODE, &debug_isis_events_cmd);
install_element(ENABLE_NODE, &no_debug_isis_events_cmd);
install_element(ENABLE_NODE, &debug_isis_packet_dump_cmd);
install_element(ENABLE_NODE, &no_debug_isis_packet_dump_cmd);
install_element(ENABLE_NODE, &debug_isis_lsp_gen_cmd);
install_element(ENABLE_NODE, &no_debug_isis_lsp_gen_cmd);
install_element(ENABLE_NODE, &debug_isis_lsp_sched_cmd);
install_element(ENABLE_NODE, &no_debug_isis_lsp_sched_cmd);
install_element(CONFIG_NODE, &debug_isis_adj_cmd);
install_element(CONFIG_NODE, &no_debug_isis_adj_cmd);
install_element(CONFIG_NODE, &debug_isis_csum_cmd);
install_element(CONFIG_NODE, &no_debug_isis_csum_cmd);
install_element(CONFIG_NODE, &debug_isis_lupd_cmd);
install_element(CONFIG_NODE, &no_debug_isis_lupd_cmd);
install_element(CONFIG_NODE, &debug_isis_err_cmd);
install_element(CONFIG_NODE, &no_debug_isis_err_cmd);
install_element(CONFIG_NODE, &debug_isis_snp_cmd);
install_element(CONFIG_NODE, &no_debug_isis_snp_cmd);
install_element(CONFIG_NODE, &debug_isis_upd_cmd);
install_element(CONFIG_NODE, &no_debug_isis_upd_cmd);
install_element(CONFIG_NODE, &debug_isis_spfevents_cmd);
install_element(CONFIG_NODE, &no_debug_isis_spfevents_cmd);
install_element(CONFIG_NODE, &debug_isis_spfstats_cmd);
install_element(CONFIG_NODE, &no_debug_isis_spfstats_cmd);
install_element(CONFIG_NODE, &debug_isis_spftrigg_cmd);
install_element(CONFIG_NODE, &no_debug_isis_spftrigg_cmd);
install_element(CONFIG_NODE, &debug_isis_rtevents_cmd);
install_element(CONFIG_NODE, &no_debug_isis_rtevents_cmd);
install_element(CONFIG_NODE, &debug_isis_events_cmd);
install_element(CONFIG_NODE, &no_debug_isis_events_cmd);
install_element(CONFIG_NODE, &debug_isis_packet_dump_cmd);
install_element(CONFIG_NODE, &no_debug_isis_packet_dump_cmd);
install_element(CONFIG_NODE, &debug_isis_lsp_gen_cmd);
install_element(CONFIG_NODE, &no_debug_isis_lsp_gen_cmd);
install_element(CONFIG_NODE, &debug_isis_lsp_sched_cmd);
install_element(CONFIG_NODE, &no_debug_isis_lsp_sched_cmd);
install_element(CONFIG_NODE, &router_isis_cmd);
install_element(CONFIG_NODE, &no_router_isis_cmd);
install_default(ROUTER_NODE);
install_element(ROUTER_NODE, &net_cmd);
install_element(ROUTER_NODE, &no_net_cmd);
install_element(ROUTER_NODE, &isis_topology_cmd);
install_element(ROUTER_NODE, &no_isis_topology_cmd);
install_element(ROUTER_NODE, &log_adj_changes_cmd);
install_element(ROUTER_NODE, &no_log_adj_changes_cmd);
spf_backoff_cmd_init();
}
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