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isisd.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 "lib/northbound_cli.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 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_AND_2;
else
area->is_type = yang_get_default_enum(
"/frr-isisd:isis/instance/is-type");
/*
* 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
*/
#ifndef FABRICD
enum isis_metric_style default_style;
area->max_lsp_lifetime[0] = yang_get_default_uint16(
"/frr-isisd:isis/instance/lsp/maximum-lifetime/level-1");
area->max_lsp_lifetime[1] = yang_get_default_uint16(
"/frr-isisd:isis/instance/lsp/maximum-lifetime/level-2");
area->lsp_refresh[0] = yang_get_default_uint16(
"/frr-isisd:isis/instance/lsp/refresh-interval/level-1");
area->lsp_refresh[1] = yang_get_default_uint16(
"/frr-isisd:isis/instance/lsp/refresh-interval/level-2");
area->lsp_gen_interval[0] = yang_get_default_uint16(
"/frr-isisd:isis/instance/lsp/generation-interval/level-1");
area->lsp_gen_interval[1] = yang_get_default_uint16(
"/frr-isisd:isis/instance/lsp/generation-interval/level-2");
area->min_spf_interval[0] = yang_get_default_uint16(
"/frr-isisd:isis/instance/spf/minimum-interval/level-1");
area->min_spf_interval[1] = yang_get_default_uint16(
"/frr-isisd:isis/instance/spf/minimum-interval/level-1");
area->dynhostname = yang_get_default_bool(
"/frr-isisd:isis/instance/dynamic-hostname");
default_style =
yang_get_default_enum("/frr-isisd:isis/instance/metric-style");
area->oldmetric = default_style == ISIS_WIDE_METRIC ? 0 : 1;
area->newmetric = default_style == ISIS_NARROW_METRIC ? 0 : 1;
area->lsp_frag_threshold = 90; /* not currently configurable */
area->lsp_mtu =
yang_get_default_uint16("/frr-isisd:isis/instance/lsp/mtu");
#else
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;
#endif /* ifndef FABRICD */
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);
area->lsp_refresh_arg[0].area = area;
area->lsp_refresh_arg[0].level = IS_LEVEL_1;
area->lsp_refresh_arg[1].area = area;
area->lsp_refresh_arg[1].level = IS_LEVEL_2;
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(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) {
zlog_warn("%s: could not find area with area-tag %s",
__func__, area_tag);
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(&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;
}
#ifdef FABRICD
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);
}
}
#endif /* ifdef FABRICD */
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_TX_QUEUE)
vty_out(vty, "IS-IS TX queue 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_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_FLOODING)
vty_out(vty, "IS-IS Flooding debugging is %s\n", onoffs);
if (flags & DEBUG_BFD)
vty_out(vty, "IS-IS BFD 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_TX_QUEUE) {
vty_out(vty, "debug " PROTO_NAME " tx-queue\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_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_FLOODING) {
vty_out(vty, "debug " PROTO_NAME " flooding\n");
write++;
}
if (flags & DEBUG_BFD) {
vty_out(vty, "debug " PROTO_NAME " bfd\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_tx_queue,
debug_isis_tx_queue_cmd,
"debug " PROTO_NAME " tx-queue",
DEBUG_STR
PROTO_HELP
"IS-IS TX queues\n")
{
isis->debugs |= DEBUG_TX_QUEUE;
print_debug(vty, DEBUG_TX_QUEUE, 1);
return CMD_SUCCESS;
}
DEFUN (no_debug_isis_tx_queue,
no_debug_isis_tx_queue_cmd,
"no debug " PROTO_NAME " tx-queue",
NO_STR
UNDEBUG_STR
PROTO_HELP
"IS-IS TX queues\n")
{
isis->debugs &= ~DEBUG_TX_QUEUE;
print_debug(vty, DEBUG_TX_QUEUE, 0);
return CMD_SUCCESS;
}
DEFUN (debug_isis_flooding,
debug_isis_flooding_cmd,
"debug " PROTO_NAME " flooding",
DEBUG_STR
PROTO_HELP
"Flooding algorithm\n")
{
isis->debugs |= DEBUG_FLOODING;
print_debug(vty, DEBUG_FLOODING, 1);
return CMD_SUCCESS;
}
DEFUN (no_debug_isis_flooding,
no_debug_isis_flooding_cmd,
"no debug " PROTO_NAME " flooding",
NO_STR
UNDEBUG_STR
PROTO_HELP
"Flooding algorithm\n")
{
isis->debugs &= ~DEBUG_FLOODING;
print_debug(vty, DEBUG_FLOODING, 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")