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zebra_vty.c
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zebra_vty.c
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/* Zebra VTY functions
* Copyright (C) 2002 Kunihiro Ishiguro
*
* This file is part of GNU Zebra.
*
* GNU Zebra is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* GNU Zebra 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 "memory.h"
#include "zebra_memory.h"
#include "if.h"
#include "prefix.h"
#include "command.h"
#include "table.h"
#include "rib.h"
#include "nexthop.h"
#include "vrf.h"
#include "linklist.h"
#include "mpls.h"
#include "routemap.h"
#include "srcdest_table.h"
#include "vxlan.h"
#include "zebra/zserv.h"
#include "zebra/zebra_vrf.h"
#include "zebra/zebra_mpls.h"
#include "zebra/zebra_rnh.h"
#include "zebra/redistribute.h"
#include "zebra/zebra_routemap.h"
#include "zebra/zebra_static.h"
#include "lib/json.h"
#include "zebra/zebra_vxlan.h"
#ifndef VTYSH_EXTRACT_PL
#include "zebra/zebra_vty_clippy.c"
#endif
#include "zebra/zserv.h"
#include "zebra/router-id.h"
#include "zebra/ipforward.h"
#include "zebra/zebra_vxlan_private.h"
#include "zebra/zebra_pbr.h"
extern int allow_delete;
static int do_show_ip_route(struct vty *vty, const char *vrf_name, afi_t afi,
safi_t safi, bool use_fib, uint8_t use_json,
route_tag_t tag,
const struct prefix *longer_prefix_p,
bool supernets_only, int type,
unsigned short ospf_instance_id);
static void vty_show_ip_route_detail(struct vty *vty, struct route_node *rn,
int mcast);
static void vty_show_ip_route_summary(struct vty *vty,
struct route_table *table);
static void vty_show_ip_route_summary_prefix(struct vty *vty,
struct route_table *table);
/*
* special macro to allow us to get the correct zebra_vrf
*/
#define ZEBRA_DECLVAR_CONTEXT(A, B) \
struct vrf *A = VTY_GET_CONTEXT(vrf); \
struct zebra_vrf *B = (vrf) ? vrf->info : NULL;
/* VNI range as per RFC 7432 */
#define CMD_VNI_RANGE "(1-16777215)"
struct static_hold_route {
char *vrf_name;
char *nhvrf_name;
afi_t afi;
safi_t safi;
char *dest_str;
char *mask_str;
char *src_str;
char *gate_str;
char *ifname;
char *flag_str;
char *tag_str;
char *distance_str;
char *label_str;
char *table_str;
/* processed & masked destination, used for config display */
struct prefix dest;
};
static struct list *static_list;
static int static_list_compare_helper(const char *s1, const char *s2)
{
/* Are Both NULL */
if (s1 == s2)
return 0;
if (!s1 && s2)
return -1;
if (s1 && !s2)
return 1;
return strcmp(s1, s2);
}
static void static_list_delete(struct static_hold_route *shr)
{
if (shr->vrf_name)
XFREE(MTYPE_STATIC_ROUTE, shr->vrf_name);
if (shr->nhvrf_name)
XFREE(MTYPE_STATIC_ROUTE, shr->nhvrf_name);
if (shr->dest_str)
XFREE(MTYPE_STATIC_ROUTE, shr->dest_str);
if (shr->mask_str)
XFREE(MTYPE_STATIC_ROUTE, shr->mask_str);
if (shr->src_str)
XFREE(MTYPE_STATIC_ROUTE, shr->src_str);
if (shr->gate_str)
XFREE(MTYPE_STATIC_ROUTE, shr->gate_str);
if (shr->ifname)
XFREE(MTYPE_STATIC_ROUTE, shr->ifname);
if (shr->flag_str)
XFREE(MTYPE_STATIC_ROUTE, shr->flag_str);
if (shr->tag_str)
XFREE(MTYPE_STATIC_ROUTE, shr->tag_str);
if (shr->distance_str)
XFREE(MTYPE_STATIC_ROUTE, shr->distance_str);
if (shr->label_str)
XFREE(MTYPE_STATIC_ROUTE, shr->label_str);
XFREE(MTYPE_STATIC_ROUTE, shr);
}
static int static_list_compare(void *arg1, void *arg2)
{
struct static_hold_route *shr1 = arg1;
struct static_hold_route *shr2 = arg2;
int ret;
ret = strcmp(shr1->vrf_name, shr2->vrf_name);
if (ret)
return ret;
ret = strcmp(shr1->nhvrf_name, shr2->nhvrf_name);
if (ret)
return ret;
ret = shr1->afi - shr2->afi;
if (ret)
return ret;
ret = shr1->safi - shr2->safi;
if (ret)
return ret;
ret = prefix_cmp(&shr1->dest, &shr2->dest);
if (ret)
return ret;
ret = static_list_compare_helper(shr1->src_str, shr2->src_str);
if (ret)
return ret;
ret = static_list_compare_helper(shr1->gate_str, shr2->gate_str);
if (ret)
return ret;
ret = static_list_compare_helper(shr1->ifname, shr2->ifname);
if (ret)
return ret;
ret = static_list_compare_helper(shr1->flag_str, shr2->flag_str);
if (ret)
return ret;
ret = static_list_compare_helper(shr1->tag_str, shr2->tag_str);
if (ret)
return ret;
ret = static_list_compare_helper(shr1->distance_str,
shr2->distance_str);
if (ret)
return ret;
ret = static_list_compare_helper(shr1->table_str,
shr2->table_str);
if (ret)
return ret;
return static_list_compare_helper(shr1->label_str, shr2->label_str);
}
/* General function for static route. */
static int zebra_static_route_holdem(
struct zebra_vrf *zvrf, struct zebra_vrf *nh_zvrf, afi_t afi,
safi_t safi, const char *negate, struct prefix *dest,
const char *dest_str, const char *mask_str, const char *src_str,
const char *gate_str, const char *ifname, const char *flag_str,
const char *tag_str, const char *distance_str, const char *label_str,
const char *table_str)
{
struct static_hold_route *shr, *lookup;
struct listnode *node;
zlog_warn("Static Route to %s not installed currently because dependent config not fully available",
dest_str);
shr = XCALLOC(MTYPE_STATIC_ROUTE, sizeof(*shr));
shr->vrf_name = XSTRDUP(MTYPE_STATIC_ROUTE, zvrf->vrf->name);
shr->nhvrf_name = XSTRDUP(MTYPE_STATIC_ROUTE, nh_zvrf->vrf->name);
shr->afi = afi;
shr->safi = safi;
if (dest)
prefix_copy(&shr->dest, dest);
if (dest_str)
shr->dest_str = XSTRDUP(MTYPE_STATIC_ROUTE, dest_str);
if (mask_str)
shr->mask_str = XSTRDUP(MTYPE_STATIC_ROUTE, mask_str);
if (src_str)
shr->src_str = XSTRDUP(MTYPE_STATIC_ROUTE, src_str);
if (gate_str)
shr->gate_str = XSTRDUP(MTYPE_STATIC_ROUTE, gate_str);
if (ifname)
shr->ifname = XSTRDUP(MTYPE_STATIC_ROUTE, ifname);
if (flag_str)
shr->flag_str = XSTRDUP(MTYPE_STATIC_ROUTE, flag_str);
if (tag_str)
shr->tag_str = XSTRDUP(MTYPE_STATIC_ROUTE, tag_str);
if (distance_str)
shr->distance_str = XSTRDUP(MTYPE_STATIC_ROUTE, distance_str);
if (label_str)
shr->label_str = XSTRDUP(MTYPE_STATIC_ROUTE, label_str);
if (table_str)
shr->table_str = XSTRDUP(MTYPE_STATIC_ROUTE, table_str);
for (ALL_LIST_ELEMENTS_RO(static_list, node, lookup)) {
if (static_list_compare(shr, lookup) == 0)
break;
}
if (lookup) {
if (negate) {
listnode_delete(static_list, lookup);
static_list_delete(shr);
static_list_delete(lookup);
return CMD_SUCCESS;
}
/*
* If a person enters the same line again
* we need to silently accept it
*/
goto shr_cleanup;
}
if (!negate) {
listnode_add_sort(static_list, shr);
return CMD_SUCCESS;
}
shr_cleanup:
XFREE(MTYPE_STATIC_ROUTE, shr->nhvrf_name);
XFREE(MTYPE_STATIC_ROUTE, shr->vrf_name);
XFREE(MTYPE_STATIC_ROUTE, shr);
return CMD_SUCCESS;
}
static int zebra_static_route_leak(
struct vty *vty, struct zebra_vrf *zvrf, struct zebra_vrf *nh_zvrf,
afi_t afi, safi_t safi, const char *negate, const char *dest_str,
const char *mask_str, const char *src_str, const char *gate_str,
const char *ifname, const char *flag_str, const char *tag_str,
const char *distance_str, const char *label_str, const char *table_str)
{
int ret;
uint8_t distance;
struct prefix p, src;
struct prefix_ipv6 *src_p = NULL;
union g_addr gate;
union g_addr *gatep = NULL;
struct in_addr mask;
enum static_blackhole_type bh_type = 0;
route_tag_t tag = 0;
uint8_t type;
struct static_nh_label snh_label;
uint32_t table_id = 0;
ret = str2prefix(dest_str, &p);
if (ret <= 0) {
if (vty)
vty_out(vty, "%% Malformed address\n");
else
zlog_warn("%s: Malformed address: %s",
__PRETTY_FUNCTION__, dest_str);
return CMD_WARNING_CONFIG_FAILED;
}
switch (afi) {
case AFI_IP:
/* Cisco like mask notation. */
if (mask_str) {
ret = inet_aton(mask_str, &mask);
if (ret == 0) {
if (vty)
vty_out(vty, "%% Malformed address\n");
else
zlog_warn("%s: Malformed address: %s",
__PRETTY_FUNCTION__,
mask_str);
return CMD_WARNING_CONFIG_FAILED;
}
p.prefixlen = ip_masklen(mask);
}
break;
case AFI_IP6:
/* srcdest routing */
if (src_str) {
ret = str2prefix(src_str, &src);
if (ret <= 0 || src.family != AF_INET6) {
if (vty)
vty_out(vty,
"%% Malformed source address\n");
else
zlog_warn(
"%s: Malformed Source address: %s",
__PRETTY_FUNCTION__, src_str);
return CMD_WARNING_CONFIG_FAILED;
}
src_p = (struct prefix_ipv6 *)&src;
}
break;
default:
break;
}
/* Apply mask for given prefix. */
apply_mask(&p);
if (zvrf->vrf->vrf_id == VRF_UNKNOWN
|| nh_zvrf->vrf->vrf_id == VRF_UNKNOWN) {
vrf_set_user_cfged(zvrf->vrf);
return zebra_static_route_holdem(
zvrf, nh_zvrf, afi, safi, negate, &p, dest_str,
mask_str, src_str, gate_str, ifname, flag_str, tag_str,
distance_str, label_str, table_str);
}
if (table_str) {
/* table configured. check consistent with vrf config
*/
if (zvrf->table_id != RT_TABLE_MAIN &&
zvrf->table_id != zebrad.rtm_table_default) {
if (vty)
vty_out(vty,
"%% Table %s overlaps vrf table %u\n",
table_str, zvrf->table_id);
else
zlog_warn(
"%s: Table %s overlaps vrf table %u",
__PRETTY_FUNCTION__,
table_str, zvrf->table_id);
return CMD_WARNING_CONFIG_FAILED;
}
}
/* Administrative distance. */
if (distance_str)
distance = atoi(distance_str);
else
distance = ZEBRA_STATIC_DISTANCE_DEFAULT;
/* tag */
if (tag_str)
tag = strtoul(tag_str, NULL, 10);
/* Labels */
memset(&snh_label, 0, sizeof(struct static_nh_label));
if (label_str) {
if (!mpls_enabled) {
if (vty)
vty_out(vty,
"%% MPLS not turned on in kernel, ignoring command\n");
else
zlog_warn(
"%s: MPLS not turned on in kernel ignoring static route to %s",
__PRETTY_FUNCTION__, dest_str);
return CMD_WARNING_CONFIG_FAILED;
}
int rc = mpls_str2label(label_str, &snh_label.num_labels,
snh_label.label);
if (rc < 0) {
switch (rc) {
case -1:
if (vty)
vty_out(vty, "%% Malformed label(s)\n");
else
zlog_warn(
"%s: Malformed labels specified for route %s",
__PRETTY_FUNCTION__, dest_str);
break;
case -2:
if (vty)
vty_out(vty,
"%% Cannot use reserved label(s) (%d-%d)\n",
MPLS_LABEL_RESERVED_MIN,
MPLS_LABEL_RESERVED_MAX);
else
zlog_warn(
"%s: Cannot use reserved labels (%d-%d) for %s",
__PRETTY_FUNCTION__,
MPLS_LABEL_RESERVED_MIN,
MPLS_LABEL_RESERVED_MAX,
dest_str);
break;
case -3:
if (vty)
vty_out(vty,
"%% Too many labels. Enter %d or fewer\n",
MPLS_MAX_LABELS);
else
zlog_warn(
"%s: Too many labels, Enter %d or fewer for %s",
__PRETTY_FUNCTION__,
MPLS_MAX_LABELS, dest_str);
break;
}
return CMD_WARNING_CONFIG_FAILED;
}
}
/* TableID */
if (table_str)
table_id = atol(table_str);
/* Null0 static route. */
if (ifname != NULL) {
if (strncasecmp(ifname, "Null0", strlen(ifname)) == 0
|| strncasecmp(ifname, "reject", strlen(ifname)) == 0
|| strncasecmp(ifname, "blackhole", strlen(ifname)) == 0) {
if (vty)
vty_out(vty,
"%% Nexthop interface cannot be Null0, reject or blackhole\n");
else
zlog_warn(
"%s: Nexthop interface cannot be Null0, reject or blackhole for %s",
__PRETTY_FUNCTION__, dest_str);
return CMD_WARNING_CONFIG_FAILED;
}
}
/* Route flags */
if (flag_str) {
switch (flag_str[0]) {
case 'r':
bh_type = STATIC_BLACKHOLE_REJECT;
break;
case 'b':
bh_type = STATIC_BLACKHOLE_DROP;
break;
case 'N':
bh_type = STATIC_BLACKHOLE_NULL;
break;
default:
if (vty)
vty_out(vty, "%% Malformed flag %s \n",
flag_str);
else
zlog_warn("%s: Malformed flag %s for %s",
__PRETTY_FUNCTION__, flag_str,
dest_str);
return CMD_WARNING_CONFIG_FAILED;
}
}
if (gate_str) {
if (inet_pton(afi2family(afi), gate_str, &gate) != 1) {
if (vty)
vty_out(vty,
"%% Malformed nexthop address %s\n",
gate_str);
else
zlog_warn(
"%s: Malformed nexthop address %s for %s",
__PRETTY_FUNCTION__, gate_str,
dest_str);
return CMD_WARNING_CONFIG_FAILED;
}
gatep = &gate;
}
if (gate_str == NULL && ifname == NULL)
type = STATIC_BLACKHOLE;
else if (gate_str && ifname) {
if (afi == AFI_IP)
type = STATIC_IPV4_GATEWAY_IFNAME;
else
type = STATIC_IPV6_GATEWAY_IFNAME;
} else if (ifname)
type = STATIC_IFNAME;
else {
if (afi == AFI_IP)
type = STATIC_IPV4_GATEWAY;
else
type = STATIC_IPV6_GATEWAY;
}
if (!negate) {
static_add_route(afi, safi, type, &p, src_p, gatep, ifname,
bh_type, tag, distance, zvrf, nh_zvrf,
&snh_label, table_id);
/* Mark as having FRR configuration */
vrf_set_user_cfged(zvrf->vrf);
} else {
static_delete_route(afi, safi, type, &p, src_p, gatep, ifname,
tag, distance, zvrf, &snh_label, table_id);
/* If no other FRR config for this VRF, mark accordingly. */
if (!zebra_vrf_has_config(zvrf))
vrf_reset_user_cfged(zvrf->vrf);
}
return CMD_SUCCESS;
}
static struct zebra_vrf *zebra_vty_get_unknown_vrf(struct vty *vty,
const char *vrf_name)
{
struct zebra_vrf *zvrf;
struct vrf *vrf;
zvrf = zebra_vrf_lookup_by_name(vrf_name);
if (zvrf)
return zvrf;
vrf = vrf_get(VRF_UNKNOWN, vrf_name);
if (!vrf) {
vty_out(vty, "%% Could not create vrf %s\n", vrf_name);
return NULL;
}
zvrf = vrf->info;
if (!zvrf) {
vty_out(vty, "%% Could not create vrf-info %s\n",
vrf_name);
return NULL;
}
/* Mark as having FRR configuration */
vrf_set_user_cfged(vrf);
return zvrf;
}
static int zebra_static_route(struct vty *vty, afi_t afi, safi_t safi,
const char *negate, const char *dest_str,
const char *mask_str, const char *src_str,
const char *gate_str, const char *ifname,
const char *flag_str, const char *tag_str,
const char *distance_str, const char *vrf_name,
const char *label_str, const char *table_str)
{
struct zebra_vrf *zvrf;
/* VRF id */
zvrf = zebra_vrf_lookup_by_name(vrf_name);
/* When trying to delete, the VRF must exist. */
if (negate && !zvrf) {
vty_out(vty, "%% vrf %s is not defined\n", vrf_name);
return CMD_WARNING_CONFIG_FAILED;
}
/* When trying to create, create the VRF if it doesn't exist.
* Note: The VRF isn't active until we hear about it from the kernel.
*/
if (!zvrf) {
zvrf = zebra_vty_get_unknown_vrf(vty, vrf_name);
if (!zvrf)
return CMD_WARNING_CONFIG_FAILED;
}
return zebra_static_route_leak(
vty, zvrf, zvrf, afi, safi, negate, dest_str, mask_str, src_str,
gate_str, ifname, flag_str, tag_str, distance_str, label_str,
table_str);
}
void static_config_install_delayed_routes(struct zebra_vrf *zvrf)
{
struct listnode *node, *nnode;
struct static_hold_route *shr;
struct zebra_vrf *ozvrf, *nh_zvrf;
int installed;
for (ALL_LIST_ELEMENTS(static_list, node, nnode, shr)) {
ozvrf = zebra_vrf_lookup_by_name(shr->vrf_name);
nh_zvrf = zebra_vrf_lookup_by_name(shr->nhvrf_name);
if (ozvrf != zvrf && nh_zvrf != zvrf)
continue;
if (ozvrf->vrf->vrf_id == VRF_UNKNOWN
|| nh_zvrf->vrf->vrf_id == VRF_UNKNOWN)
continue;
installed = zebra_static_route_leak(
NULL, ozvrf, nh_zvrf, shr->afi, shr->safi, NULL,
shr->dest_str, shr->mask_str, shr->src_str,
shr->gate_str, shr->ifname, shr->flag_str, shr->tag_str,
shr->distance_str, shr->label_str, shr->table_str);
if (installed != CMD_SUCCESS)
zlog_debug(
"%s: Attempt to install %s as a route and it was rejected",
__PRETTY_FUNCTION__, shr->dest_str);
listnode_delete(static_list, shr);
static_list_delete(shr);
}
}
/* Static unicast routes for multicast RPF lookup. */
DEFPY (ip_mroute_dist,
ip_mroute_dist_cmd,
"[no] ip mroute A.B.C.D/M$prefix <A.B.C.D$gate|INTERFACE$ifname> [(1-255)$distance]",
NO_STR
IP_STR
"Configure static unicast route into MRIB for multicast RPF lookup\n"
"IP destination prefix (e.g. 10.0.0.0/8)\n"
"Nexthop address\n"
"Nexthop interface name\n"
"Distance\n")
{
return zebra_static_route(vty, AFI_IP, SAFI_MULTICAST, no, prefix_str,
NULL, NULL, gate_str, ifname, NULL, NULL,
distance_str, NULL, NULL, NULL);
}
DEFUN (ip_multicast_mode,
ip_multicast_mode_cmd,
"ip multicast rpf-lookup-mode <urib-only|mrib-only|mrib-then-urib|lower-distance|longer-prefix>",
IP_STR
"Multicast options\n"
"RPF lookup behavior\n"
"Lookup in unicast RIB only\n"
"Lookup in multicast RIB only\n"
"Try multicast RIB first, fall back to unicast RIB\n"
"Lookup both, use entry with lower distance\n"
"Lookup both, use entry with longer prefix\n")
{
char *mode = argv[3]->text;
if (strmatch(mode, "urib-only"))
multicast_mode_ipv4_set(MCAST_URIB_ONLY);
else if (strmatch(mode, "mrib-only"))
multicast_mode_ipv4_set(MCAST_MRIB_ONLY);
else if (strmatch(mode, "mrib-then-urib"))
multicast_mode_ipv4_set(MCAST_MIX_MRIB_FIRST);
else if (strmatch(mode, "lower-distance"))
multicast_mode_ipv4_set(MCAST_MIX_DISTANCE);
else if (strmatch(mode, "longer-prefix"))
multicast_mode_ipv4_set(MCAST_MIX_PFXLEN);
else {
vty_out(vty, "Invalid mode specified\n");
return CMD_WARNING_CONFIG_FAILED;
}
return CMD_SUCCESS;
}
DEFUN (no_ip_multicast_mode,
no_ip_multicast_mode_cmd,
"no ip multicast rpf-lookup-mode [<urib-only|mrib-only|mrib-then-urib|lower-distance|longer-prefix>]",
NO_STR
IP_STR
"Multicast options\n"
"RPF lookup behavior\n"
"Lookup in unicast RIB only\n"
"Lookup in multicast RIB only\n"
"Try multicast RIB first, fall back to unicast RIB\n"
"Lookup both, use entry with lower distance\n"
"Lookup both, use entry with longer prefix\n")
{
multicast_mode_ipv4_set(MCAST_NO_CONFIG);
return CMD_SUCCESS;
}
DEFUN (show_ip_rpf,
show_ip_rpf_cmd,
"show ip rpf [json]",
SHOW_STR
IP_STR
"Display RPF information for multicast source\n"
JSON_STR)
{
int uj = use_json(argc, argv);
return do_show_ip_route(vty, VRF_DEFAULT_NAME, AFI_IP, SAFI_MULTICAST,
false, uj, 0, NULL, false, 0, 0);
}
DEFUN (show_ip_rpf_addr,
show_ip_rpf_addr_cmd,
"show ip rpf A.B.C.D",
SHOW_STR
IP_STR
"Display RPF information for multicast source\n"
"IP multicast source address (e.g. 10.0.0.0)\n")
{
int idx_ipv4 = 3;
struct in_addr addr;
struct route_node *rn;
struct route_entry *re;
int ret;
ret = inet_aton(argv[idx_ipv4]->arg, &addr);
if (ret == 0) {
vty_out(vty, "%% Malformed address\n");
return CMD_WARNING;
}
re = rib_match_ipv4_multicast(VRF_DEFAULT, addr, &rn);
if (re)
vty_show_ip_route_detail(vty, rn, 1);
else
vty_out(vty, "%% No match for RPF lookup\n");
return CMD_SUCCESS;
}
/* Static route configuration. */
DEFPY(ip_route_blackhole,
ip_route_blackhole_cmd,
"[no] ip route\
<A.B.C.D/M$prefix|A.B.C.D$prefix A.B.C.D$mask> \
<reject|blackhole>$flag \
[{ \
tag (1-4294967295) \
|(1-255)$distance \
|vrf NAME \
|label WORD \
|table (1-4294967295) \
}]",
NO_STR IP_STR
"Establish static routes\n"
"IP destination prefix (e.g. 10.0.0.0/8)\n"
"IP destination prefix\n"
"IP destination prefix mask\n"
"Emit an ICMP unreachable when matched\n"
"Silently discard pkts when matched\n"
"Set tag for this route\n"
"Tag value\n"
"Distance value for this route\n"
VRF_CMD_HELP_STR
MPLS_LABEL_HELPSTR
"Table to configure\n"
"The table number to configure\n")
{
if (table_str && !vrf_is_backend_netns()) {
vty_out(vty,
"%% table param only available when running on netns-based vrfs\n");
return CMD_WARNING_CONFIG_FAILED;
}
return zebra_static_route(vty, AFI_IP, SAFI_UNICAST, no, prefix,
mask_str, NULL, NULL, NULL, flag, tag_str,
distance_str, vrf, label, table_str);
}
DEFPY(ip_route_blackhole_vrf,
ip_route_blackhole_vrf_cmd,
"[no] ip route\
<A.B.C.D/M$prefix|A.B.C.D$prefix A.B.C.D$mask> \
<reject|blackhole>$flag \
[{ \
tag (1-4294967295) \
|(1-255)$distance \
|label WORD \
|table (1-4294967295) \
}]",
NO_STR IP_STR
"Establish static routes\n"
"IP destination prefix (e.g. 10.0.0.0/8)\n"
"IP destination prefix\n"
"IP destination prefix mask\n"
"Emit an ICMP unreachable when matched\n"
"Silently discard pkts when matched\n"
"Set tag for this route\n"
"Tag value\n"
"Distance value for this route\n"
MPLS_LABEL_HELPSTR
"Table to configure\n"
"The table number to configure\n")
{
VTY_DECLVAR_CONTEXT(vrf, vrf);
struct zebra_vrf *zvrf = vrf->info;
if (table_str && !vrf_is_backend_netns()) {
vty_out(vty,
"%% table param only available when running on netns-based vrfs\n");
return CMD_WARNING_CONFIG_FAILED;
}
/*
* Coverity is complaining that prefix could
* be dereferenced, but we know that prefix will
* valid. Add an assert to make it happy
*/
assert(prefix);
return zebra_static_route_leak(vty, zvrf, zvrf, AFI_IP, SAFI_UNICAST,
no, prefix, mask_str, NULL, NULL, NULL,
flag, tag_str, distance_str, label, table_str);
}
DEFPY(ip_route_address_interface,
ip_route_address_interface_cmd,
"[no] ip route\
<A.B.C.D/M$prefix|A.B.C.D$prefix A.B.C.D$mask> \
A.B.C.D$gate \
INTERFACE$ifname \
[{ \
tag (1-4294967295) \
|(1-255)$distance \
|vrf NAME \
|label WORD \
|table (1-4294967295) \
|nexthop-vrf NAME \
}]",
NO_STR IP_STR
"Establish static routes\n"
"IP destination prefix (e.g. 10.0.0.0/8)\n"
"IP destination prefix\n"
"IP destination prefix mask\n"
"IP gateway address\n"
"IP gateway interface name. Specify 'Null0' (case-insensitive) for a \
null route.\n"
"Set tag for this route\n"
"Tag value\n"
"Distance value for this route\n"
VRF_CMD_HELP_STR
MPLS_LABEL_HELPSTR
"Table to configure\n"
"The table number to configure\n"
VRF_CMD_HELP_STR)
{
struct zebra_vrf *zvrf;
struct zebra_vrf *nh_zvrf;
const char *flag = NULL;
if (ifname && !strncasecmp(ifname, "Null0", 5)) {
flag = "Null0";
ifname = NULL;
}
zvrf = zebra_vty_get_unknown_vrf(vty, vrf);
if (!zvrf) {
vty_out(vty, "%% vrf %s is not defined\n", vrf);
return CMD_WARNING_CONFIG_FAILED;
}
if (table_str && !vrf_is_backend_netns()) {
vty_out(vty,
"%% table param only available when running on netns-based vrfs\n");
return CMD_WARNING_CONFIG_FAILED;
}
if (nexthop_vrf)
nh_zvrf = zebra_vty_get_unknown_vrf(vty, nexthop_vrf);
else
nh_zvrf = zvrf;
if (!nh_zvrf) {
vty_out(vty, "%% nexthop vrf %s is not defined\n", nexthop_vrf);
return CMD_WARNING_CONFIG_FAILED;
}
return zebra_static_route_leak(
vty, zvrf, nh_zvrf, AFI_IP, SAFI_UNICAST, no, prefix, mask_str,
NULL, gate_str, ifname, flag, tag_str, distance_str, label,
table_str);
}
DEFPY(ip_route_address_interface_vrf,
ip_route_address_interface_vrf_cmd,
"[no] ip route\
<A.B.C.D/M$prefix|A.B.C.D$prefix A.B.C.D$mask> \
A.B.C.D$gate \
INTERFACE$ifname \
[{ \
tag (1-4294967295) \
|(1-255)$distance \
|label WORD \
|table (1-4294967295) \
|nexthop-vrf NAME \
}]",
NO_STR IP_STR
"Establish static routes\n"
"IP destination prefix (e.g. 10.0.0.0/8)\n"
"IP destination prefix\n"
"IP destination prefix mask\n"
"IP gateway address\n"
"IP gateway interface name. Specify 'Null0' (case-insensitive) for a \
null route.\n"
"Set tag for this route\n"
"Tag value\n"
"Distance value for this route\n"
MPLS_LABEL_HELPSTR
"Table to configure\n"
"The table number to configure\n"
VRF_CMD_HELP_STR)
{
VTY_DECLVAR_CONTEXT(vrf, vrf);
const char *flag = NULL;
struct zebra_vrf *zvrf = vrf->info;
struct zebra_vrf *nh_zvrf;
if (table_str && !vrf_is_backend_netns()) {
vty_out(vty,
"%% table param only available when running on netns-based vrfs\n");
return CMD_WARNING_CONFIG_FAILED;
}
if (ifname && !strncasecmp(ifname, "Null0", 5)) {
flag = "Null0";
ifname = NULL;
}
if (nexthop_vrf)
nh_zvrf = zebra_vty_get_unknown_vrf(vty, nexthop_vrf);
else
nh_zvrf = zvrf;
if (!nh_zvrf) {
vty_out(vty, "%% nexthop vrf %s is not defined\n", nexthop_vrf);
return CMD_WARNING_CONFIG_FAILED;
}
return zebra_static_route_leak(
vty, zvrf, nh_zvrf, AFI_IP, SAFI_UNICAST, no, prefix, mask_str,
NULL, gate_str, ifname, flag, tag_str, distance_str, label,
table_str);
}
DEFPY(ip_route,
ip_route_cmd,
"[no] ip route\
<A.B.C.D/M$prefix|A.B.C.D$prefix A.B.C.D$mask> \
<A.B.C.D$gate|INTERFACE$ifname> \
[{ \
tag (1-4294967295) \
|(1-255)$distance \
|vrf NAME \
|label WORD \
|table (1-4294967295) \
|nexthop-vrf NAME \
}]",
NO_STR IP_STR
"Establish static routes\n"
"IP destination prefix (e.g. 10.0.0.0/8)\n"
"IP destination prefix\n"
"IP destination prefix mask\n"
"IP gateway address\n"
"IP gateway interface name\n"
"Set tag for this route\n"
"Tag value\n"
"Distance value for this route\n"
VRF_CMD_HELP_STR
MPLS_LABEL_HELPSTR
"Table to configure\n"
"The table number to configure\n"
VRF_CMD_HELP_STR)
{
struct zebra_vrf *zvrf;
struct zebra_vrf *nh_zvrf;
const char *flag = NULL;
if (table_str && !vrf_is_backend_netns()) {
vty_out(vty,
"%% table param only available when running on netns-based vrfs\n");
return CMD_WARNING_CONFIG_FAILED;
}
if (ifname && !strncasecmp(ifname, "Null0", 5)) {
flag = "Null0";
ifname = NULL;
}
zvrf = zebra_vty_get_unknown_vrf(vty, vrf);
if (!zvrf) {
vty_out(vty, "%% vrf %s is not defined\n", vrf);
return CMD_WARNING_CONFIG_FAILED;
}