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pbr_vty.c
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/*
* PBR - vty code
* Copyright (C) 2018 Cumulus Networks, Inc.
* Donald Sharp
*
* FRR 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.
*
* FRR 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 "vty.h"
#include "command.h"
#include "prefix.h"
#include "vrf.h"
#include "nexthop.h"
#include "nexthop_group.h"
#include "nexthop_group_private.h"
#include "log.h"
#include "json.h"
#include "debug.h"
#include "pbr.h"
#include "pbrd/pbr_nht.h"
#include "pbrd/pbr_map.h"
#include "pbrd/pbr_zebra.h"
#include "pbrd/pbr_vty.h"
#include "pbrd/pbr_debug.h"
#ifndef VTYSH_EXTRACT_PL
#include "pbrd/pbr_vty_clippy.c"
#endif
DEFUN_NOSH(pbr_map, pbr_map_cmd, "pbr-map PBRMAP seq (1-700)",
"Create pbr-map or enter pbr-map command mode\n"
"The name of the PBR MAP\n"
"Sequence to insert in existing pbr-map entry\n"
"Sequence number\n")
{
const char *pbrm_name = argv[1]->arg;
uint32_t seqno = atoi(argv[3]->arg);
struct pbr_map_sequence *pbrms;
pbrms = pbrms_get(pbrm_name, seqno);
VTY_PUSH_CONTEXT(PBRMAP_NODE, pbrms);
return CMD_SUCCESS;
}
DEFUN_NOSH(no_pbr_map, no_pbr_map_cmd, "no pbr-map PBRMAP [seq (1-700)]",
NO_STR
"Delete pbr-map\n"
"The name of the PBR MAP\n"
"Sequence to delete from existing pbr-map entry\n"
"Sequence number\n")
{
const char *pbrm_name = argv[2]->arg;
uint32_t seqno = 0;
struct pbr_map *pbrm = pbrm_find(pbrm_name);
struct pbr_map_sequence *pbrms;
struct listnode *node, *next_node;
if (argc > 3)
seqno = atoi(argv[4]->arg);
if (!pbrm) {
vty_out(vty, "pbr-map %s not found\n", pbrm_name);
return CMD_SUCCESS;
}
for (ALL_LIST_ELEMENTS(pbrm->seqnumbers, node, next_node, pbrms)) {
if (seqno && pbrms->seqno != seqno)
continue;
pbr_map_delete(pbrms);
}
return CMD_SUCCESS;
}
DEFPY(pbr_set_table_range,
pbr_set_table_range_cmd,
"pbr table range (10000-4294966272)$lb (10000-4294966272)$ub",
PBR_STR
"Set table ID range\n"
"Set table ID range\n"
"Lower bound for table ID range\n"
"Upper bound for table ID range\n")
{
/* upper bound is 2^32 - 2^10 */
int ret = CMD_WARNING;
const int minrange = 1000;
/* validate given bounds */
if (lb > ub)
vty_out(vty, "%% Lower bound must be less than upper bound\n");
else if (ub - lb < minrange)
vty_out(vty, "%% Range breadth must be at least %d\n", minrange);
else {
ret = CMD_SUCCESS;
pbr_nht_set_tableid_range((uint32_t) lb, (uint32_t) ub);
}
return ret;
}
DEFPY(no_pbr_set_table_range, no_pbr_set_table_range_cmd,
"no pbr table range [(10000-4294966272)$lb (10000-4294966272)$ub]",
NO_STR
PBR_STR
"Set table ID range\n"
"Set table ID range\n"
"Lower bound for table ID range\n"
"Upper bound for table ID range\n")
{
pbr_nht_set_tableid_range(PBR_NHT_DEFAULT_LOW_TABLEID,
PBR_NHT_DEFAULT_HIGH_TABLEID);
return CMD_SUCCESS;
}
DEFPY(pbr_map_match_src, pbr_map_match_src_cmd,
"[no] match src-ip <A.B.C.D/M|X:X::X:X/M>$prefix",
NO_STR
"Match the rest of the command\n"
"Choose the src ip or ipv6 prefix to use\n"
"v4 Prefix\n"
"v6 Prefix\n")
{
struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
if (pbrms->dst && pbrms->family && prefix->family != pbrms->family) {
vty_out(vty, "Cannot mismatch families within match src/dst\n");
return CMD_WARNING_CONFIG_FAILED;
}
pbrms->family = prefix->family;
if (!no) {
if (pbrms->src) {
if (prefix_same(pbrms->src, prefix))
return CMD_SUCCESS;
} else
pbrms->src = prefix_new();
prefix_copy(pbrms->src, prefix);
} else
prefix_free(&pbrms->src);
pbr_map_check(pbrms, true);
return CMD_SUCCESS;
}
DEFPY(pbr_map_match_dst, pbr_map_match_dst_cmd,
"[no] match dst-ip <A.B.C.D/M|X:X::X:X/M>$prefix",
NO_STR
"Match the rest of the command\n"
"Choose the dst ip or ipv6 prefix to use\n"
"v4 Prefix\n"
"v6 Prefix\n")
{
struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
if (pbrms->src && pbrms->family && prefix->family != pbrms->family) {
vty_out(vty, "Cannot mismatch families within match src/dst\n");
return CMD_WARNING_CONFIG_FAILED;
}
pbrms->family = prefix->family;
if (!no) {
if (pbrms->dst) {
if (prefix_same(pbrms->dst, prefix))
return CMD_SUCCESS;
} else
pbrms->dst = prefix_new();
prefix_copy(pbrms->dst, prefix);
} else
prefix_free(&pbrms->dst);
pbr_map_check(pbrms, true);
return CMD_SUCCESS;
}
DEFPY(pbr_map_match_ip_proto, pbr_map_match_ip_proto_cmd,
"[no] match ip-protocol [tcp|udp]$ip_proto",
NO_STR
"Match the rest of the command\n"
"Choose an ip-protocol\n"
"Match on tcp flows\n"
"Match on udp flows\n")
{
struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
struct protoent *p;
if (!no) {
p = getprotobyname(ip_proto);
if (!p) {
vty_out(vty, "Unable to convert %s to proto id\n",
ip_proto);
return CMD_WARNING;
}
pbrms->ip_proto = p->p_proto;
} else
pbrms->ip_proto = 0;
return CMD_SUCCESS;
}
DEFPY(pbr_map_match_src_port, pbr_map_match_src_port_cmd,
"[no] match src-port (1-65535)$port",
NO_STR
"Match the rest of the command\n"
"Choose the source port to use\n"
"The Source Port\n")
{
struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
if (!no) {
if (pbrms->src_prt == port)
return CMD_SUCCESS;
else
pbrms->src_prt = port;
} else
pbrms->src_prt = 0;
pbr_map_check(pbrms, true);
return CMD_SUCCESS;
}
DEFPY(pbr_map_match_dst_port, pbr_map_match_dst_port_cmd,
"[no] match dst-port (1-65535)$port",
NO_STR
"Match the rest of the command\n"
"Choose the destination port to use\n"
"The Destination Port\n")
{
struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
if (!no) {
if (pbrms->dst_prt == port)
return CMD_SUCCESS;
else
pbrms->dst_prt = port;
} else
pbrms->dst_prt = 0;
pbr_map_check(pbrms, true);
return CMD_SUCCESS;
}
DEFPY(pbr_map_match_dscp, pbr_map_match_dscp_cmd,
"[no] match dscp DSCP$dscp",
NO_STR
"Match the rest of the command\n"
"Match based on IP DSCP field\n"
"DSCP value (below 64) or standard codepoint name\n")
{
struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
char dscpname[100];
uint8_t rawDscp;
/* Discriminate dscp enums (cs0, cs1 etc.) and numbers */
bool isANumber = true;
for (int i = 0; i < (int)strlen(dscp); i++) {
/* Letters are not numbers */
if (!isdigit(dscp[i]))
isANumber = false;
/* Lowercase the dscp enum (if needed) */
if (isupper(dscp[i]))
dscpname[i] = tolower(dscp[i]);
else
dscpname[i] = dscp[i];
}
dscpname[strlen(dscp)] = '\0';
if (isANumber) {
/* dscp passed is a regular number */
long dscpAsNum = strtol(dscp, NULL, 0);
if (dscpAsNum > PBR_DSFIELD_DSCP >> 2) {
/* Refuse to install on overflow */
vty_out(vty, "dscp (%s) must be less than 64\n", dscp);
return CMD_WARNING_CONFIG_FAILED;
}
rawDscp = dscpAsNum;
} else {
/* check dscp if it is an enum like cs0 */
rawDscp = pbr_map_decode_dscp_enum(dscpname);
if (rawDscp > PBR_DSFIELD_DSCP) {
vty_out(vty, "Invalid dscp value: %s\n", dscpname);
return CMD_WARNING_CONFIG_FAILED;
}
}
if (!no) {
if (((pbrms->dsfield & PBR_DSFIELD_DSCP) >> 2) == rawDscp)
return CMD_SUCCESS;
/* Set the DSCP bits of the DSField */
pbrms->dsfield =
(pbrms->dsfield & ~PBR_DSFIELD_DSCP) | (rawDscp << 2);
} else {
pbrms->dsfield &= ~PBR_DSFIELD_DSCP;
}
pbr_map_check(pbrms, true);
return CMD_SUCCESS;
}
DEFPY(pbr_map_match_ecn, pbr_map_match_ecn_cmd,
"[no] match ecn (0-3)$ecn",
NO_STR
"Match the rest of the command\n"
"Match based on IP ECN field\n"
"Explicit Congestion Notification\n")
{
struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
if (!no) {
if ((pbrms->dsfield & PBR_DSFIELD_ECN) == ecn)
return CMD_SUCCESS;
/* Set the ECN bits of the DSField */
pbrms->dsfield = (pbrms->dsfield & ~PBR_DSFIELD_ECN) | ecn;
} else {
pbrms->dsfield &= ~PBR_DSFIELD_ECN;
}
pbr_map_check(pbrms, true);
return CMD_SUCCESS;
}
DEFPY(pbr_map_match_mark, pbr_map_match_mark_cmd,
"[no] match mark (1-4294967295)$mark",
NO_STR
"Match the rest of the command\n"
"Choose the mark value to use\n"
"mark\n")
{
struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
#ifndef GNU_LINUX
vty_out(vty, "pbr marks are not supported on this platform");
return CMD_WARNING_CONFIG_FAILED;
#endif
if (!no) {
if (pbrms->mark)
if (pbrms->mark == (uint32_t)mark)
return CMD_SUCCESS;
pbrms->mark = (uint32_t)mark;
} else
pbrms->mark = 0;
pbr_map_check(pbrms, true);
return CMD_SUCCESS;
}
static void pbrms_clear_set_vrf_config(struct pbr_map_sequence *pbrms)
{
if (pbrms->vrf_lookup || pbrms->vrf_unchanged) {
pbr_map_delete_vrf(pbrms);
pbrms->vrf_name[0] = '\0';
pbrms->vrf_lookup = false;
pbrms->vrf_unchanged = false;
}
}
static void pbrms_clear_set_nhg_config(struct pbr_map_sequence *pbrms)
{
if (pbrms->nhgrp_name)
pbr_map_delete_nexthops(pbrms);
}
static void pbrms_clear_set_nexthop_config(struct pbr_map_sequence *pbrms)
{
if (pbrms->nhg)
pbr_nht_delete_individual_nexthop(pbrms);
}
static void pbrms_clear_set_config(struct pbr_map_sequence *pbrms)
{
pbrms_clear_set_vrf_config(pbrms);
pbrms_clear_set_nhg_config(pbrms);
pbrms_clear_set_nexthop_config(pbrms);
pbrms->nhs_installed = false;
}
DEFPY(pbr_map_action_queue_id, pbr_map_action_queue_id_cmd,
"[no] set queue-id <(1-65535)$queue_id>",
NO_STR
"Set the rest of the command\n"
"Set based on egress port queue id\n"
"A valid value in range 1..65535 \n")
{
struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
if (!no)
pbrms->action_queue_id = queue_id;
else if ((uint32_t)queue_id == pbrms->action_queue_id)
pbrms->action_queue_id = PBR_MAP_UNDEFINED_QUEUE_ID;
pbr_map_check(pbrms, true);
return CMD_SUCCESS;
}
DEFPY(pbr_map_action_pcp, pbr_map_action_pcp_cmd, "[no] set pcp <(0-7)$pcp>",
NO_STR
"Set the rest of the command\n"
"Set based on 802.1p Priority Code Point (PCP) value\n"
"A valid value in range 0..7\n")
{
struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
if (!no)
pbrms->action_pcp = pcp;
else if (pcp == pbrms->action_pcp)
pbrms->action_pcp = 0;
pbr_map_check(pbrms, true);
return CMD_SUCCESS;
}
DEFPY(pbr_map_action_vlan_id, pbr_map_action_vlan_id_cmd,
"[no] set vlan <(1-4094)$vlan_id>",
NO_STR
"Set the rest of the command\n"
"Set action for VLAN tagging\n"
"A valid value in range 1..4094\n")
{
struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
if (!no)
pbrms->action_vlan_id = vlan_id;
else if (pbrms->action_vlan_id == vlan_id)
pbrms->action_vlan_id = 0;
pbr_map_check(pbrms, true);
return CMD_SUCCESS;
}
DEFPY(pbr_map_action_strip_vlan, pbr_map_action_strip_vlan_cmd,
"[no] strip vlan",
NO_STR
"Strip the vlan tags from frame\n"
"Strip any inner vlan tag \n")
{
struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
if (!no)
pbrms->action_vlan_flags = PBR_MAP_STRIP_INNER_ANY;
else
pbrms->action_vlan_flags = 0;
pbr_map_check(pbrms, true);
return CMD_SUCCESS;
}
DEFPY(pbr_map_nexthop_group, pbr_map_nexthop_group_cmd,
"set nexthop-group NHGNAME$name",
"Set for the PBR-MAP\n"
"nexthop-group to use\n"
"The name of the nexthop-group\n")
{
struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
struct nexthop_group_cmd *nhgc;
nhgc = nhgc_find(name);
if (!nhgc) {
vty_out(vty, "Specified nexthop-group %s does not exist\n",
name);
vty_out(vty,
"PBR-MAP will not be applied until it is created\n");
}
if (pbrms->nhgrp_name && strcmp(name, pbrms->nhgrp_name) == 0)
return CMD_SUCCESS;
/* This is new/replacement config */
pbrms_clear_set_config(pbrms);
pbrms->nhgrp_name = XSTRDUP(MTYPE_TMP, name);
pbr_map_check(pbrms, true);
return CMD_SUCCESS;
}
DEFPY(no_pbr_map_nexthop_group, no_pbr_map_nexthop_group_cmd,
"no set nexthop-group [NHGNAME$name]",
NO_STR
"Set for the PBR-MAP\n"
"nexthop-group to use\n"
"The name of the nexthop-group\n")
{
struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
pbrms_clear_set_config(pbrms);
return CMD_SUCCESS;
}
DEFPY(pbr_map_nexthop, pbr_map_nexthop_cmd,
"set nexthop\
<\
<A.B.C.D|X:X::X:X>$addr [INTERFACE$intf]\
|INTERFACE$intf\
>\
[nexthop-vrf NAME$vrf_name]",
"Set for the PBR-MAP\n"
"Specify one of the nexthops in this map\n"
"v4 Address\n"
"v6 Address\n"
"Interface to use\n"
"Interface to use\n"
"If the nexthop is in a different vrf tell us\n"
"The nexthop-vrf Name\n")
{
struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
struct vrf *vrf;
struct nexthop nhop;
struct nexthop *nh = NULL;
if (vrf_name)
vrf = vrf_lookup_by_name(vrf_name);
else
vrf = vrf_lookup_by_id(VRF_DEFAULT);
if (!vrf) {
vty_out(vty, "Specified VRF: %s is non-existent\n", vrf_name);
return CMD_WARNING_CONFIG_FAILED;
}
memset(&nhop, 0, sizeof(nhop));
nhop.vrf_id = vrf->vrf_id;
if (intf) {
struct interface *ifp = NULL;
struct interface *ifptmp;
struct vrf *vrftmp;
int count = 0;
if (vrf_is_backend_netns() && vrf_name) {
ifp = if_lookup_by_name_vrf(intf, vrf);
} else {
RB_FOREACH (vrftmp, vrf_name_head, &vrfs_by_name) {
ifptmp = if_lookup_by_name_vrf(intf, vrftmp);
if (ifptmp) {
ifp = ifptmp;
count++;
if (!vrf_is_backend_netns())
break;
}
}
}
if (!ifp) {
vty_out(vty, "Specified Intf %s does not exist\n",
intf);
return CMD_WARNING_CONFIG_FAILED;
}
if (count > 1) {
vty_out(vty,
"Specified Intf %s exists in multiple VRFs\n",
intf);
vty_out(vty, "You must specify the nexthop-vrf\n");
return CMD_WARNING_CONFIG_FAILED;
}
if (ifp->vrf->vrf_id != vrf->vrf_id)
vty_out(vty,
"Specified Intf %s is not in vrf %s but is in vrf %s, using actual vrf\n",
ifp->name, vrf->name, ifp->vrf->name);
nhop.ifindex = ifp->ifindex;
nhop.vrf_id = ifp->vrf->vrf_id;
}
if (addr) {
if (addr->sa.sa_family == AF_INET) {
nhop.gate.ipv4.s_addr = addr->sin.sin_addr.s_addr;
if (intf)
nhop.type = NEXTHOP_TYPE_IPV4_IFINDEX;
else
nhop.type = NEXTHOP_TYPE_IPV4;
} else {
nhop.gate.ipv6 = addr->sin6.sin6_addr;
if (intf)
nhop.type = NEXTHOP_TYPE_IPV6_IFINDEX;
else {
if (IN6_IS_ADDR_LINKLOCAL(&nhop.gate.ipv6)) {
vty_out(vty,
"Specified a v6 LL with no interface, rejecting\n");
return CMD_WARNING_CONFIG_FAILED;
}
nhop.type = NEXTHOP_TYPE_IPV6;
}
}
} else
nhop.type = NEXTHOP_TYPE_IFINDEX;
if (pbrms->nhg)
nh = nexthop_exists(pbrms->nhg, &nhop);
if (nh) /* Same config re-entered */
goto done;
/* This is new/replacement config */
pbrms_clear_set_config(pbrms);
pbr_nht_add_individual_nexthop(pbrms, &nhop);
pbr_map_check(pbrms, true);
done:
if (nhop.type == NEXTHOP_TYPE_IFINDEX
|| (nhop.type == NEXTHOP_TYPE_IPV6_IFINDEX
&& IN6_IS_ADDR_LINKLOCAL(&nhop.gate.ipv6))) {
struct interface *ifp;
ifp = if_lookup_by_index(nhop.ifindex, nhop.vrf_id);
if (ifp)
pbr_nht_nexthop_interface_update(ifp);
}
return CMD_SUCCESS;
}
DEFPY(no_pbr_map_nexthop, no_pbr_map_nexthop_cmd,
"no set nexthop\
[<\
<A.B.C.D|X:X::X:X>$addr [INTERFACE$intf]\
|INTERFACE$intf\
>\
[nexthop-vrf NAME$vrf_name]]",
NO_STR
"Set for the PBR-MAP\n"
"Specify one of the nexthops in this map\n"
"v4 Address\n"
"v6 Address\n"
"Interface to use\n"
"Interface to use\n"
"If the nexthop is in a different vrf tell us\n"
"The nexthop-vrf Name\n")
{
struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
pbrms_clear_set_config(pbrms);
return CMD_SUCCESS;
}
DEFPY(pbr_map_vrf, pbr_map_vrf_cmd,
"set vrf <NAME$vrf_name|unchanged>",
"Set for the PBR-MAP\n"
"Specify the VRF for this map\n"
"The VRF Name\n"
"Use the interface's VRF for lookup\n")
{
struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
/*
* If an equivalent set vrf * exists, just return success.
*/
if (vrf_name && pbrms->vrf_lookup
&& strncmp(pbrms->vrf_name, vrf_name, sizeof(pbrms->vrf_name)) == 0)
return CMD_SUCCESS;
else if (!vrf_name && pbrms->vrf_unchanged) /* Unchanged already set */
return CMD_SUCCESS;
if (vrf_name && !pbr_vrf_lookup_by_name(vrf_name)) {
vty_out(vty, "Specified: %s is non-existent\n", vrf_name);
return CMD_WARNING_CONFIG_FAILED;
}
/* This is new/replacement config */
pbrms_clear_set_config(pbrms);
if (vrf_name) {
pbrms->vrf_lookup = true;
strlcpy(pbrms->vrf_name, vrf_name, sizeof(pbrms->vrf_name));
} else
pbrms->vrf_unchanged = true;
pbr_map_check(pbrms, true);
return CMD_SUCCESS;
}
DEFPY(no_pbr_map_vrf, no_pbr_map_vrf_cmd,
"no set vrf [<NAME$vrf_name|unchanged>]",
NO_STR
"Set for the PBR-MAP\n"
"Specify the VRF for this map\n"
"The VRF Name\n"
"Use the interface's VRF for lookup\n")
{
struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
pbrms_clear_set_config(pbrms);
return CMD_SUCCESS;
}
DEFPY (pbr_policy,
pbr_policy_cmd,
"[no] pbr-policy PBRMAP$mapname",
NO_STR
"Policy to use\n"
"Name of the pbr-map to apply\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
struct pbr_map *pbrm, *old_pbrm;
struct pbr_interface *pbr_ifp = ifp->info;
old_pbrm = NULL;
pbrm = pbrm_find(mapname);
if (!pbr_ifp) {
/* we don't want one and we don't have one, so... */
if (no)
return CMD_SUCCESS;
/* Some one could have fat fingered the interface name */
pbr_ifp = pbr_if_new(ifp);
}
if (no) {
if (strcmp(pbr_ifp->mapname, mapname) == 0) {
pbr_ifp->mapname[0] = '\0';
if (pbrm)
pbr_map_interface_delete(pbrm, ifp);
}
} else {
if (strcmp(pbr_ifp->mapname, "") != 0) {
old_pbrm = pbrm_find(pbr_ifp->mapname);
/*
* So if we have an old pbrm we should only
* delete it if we are actually deleting and
* moving to a new pbrm
*/
if (old_pbrm && old_pbrm != pbrm)
pbr_map_interface_delete(old_pbrm, ifp);
}
snprintf(pbr_ifp->mapname, sizeof(pbr_ifp->mapname),
"%s", mapname);
/*
* So only reinstall if the old_pbrm and this pbrm are
* different.
*/
if (pbrm && pbrm != old_pbrm)
pbr_map_add_interface(pbrm, ifp);
}
return CMD_SUCCESS;
}
DEFPY (show_pbr,
show_pbr_cmd,
"show pbr",
SHOW_STR
PBR_STR)
{
pbr_nht_write_table_range(vty);
pbr_nht_write_rule_range(vty);
return CMD_SUCCESS;
}
static void
pbrms_nexthop_group_write_individual_nexthop(
struct vty *vty, const struct pbr_map_sequence *pbrms)
{
struct pbr_nexthop_group_cache find;
struct pbr_nexthop_group_cache *pnhgc;
struct pbr_nexthop_cache lookup;
struct pbr_nexthop_cache *pnhc;
memset(&find, 0, sizeof(find));
strlcpy(find.name, pbrms->internal_nhg_name, sizeof(find.name));
pnhgc = hash_lookup(pbr_nhg_hash, &find);
assert(pnhgc);
lookup.nexthop = *pbrms->nhg->nexthop;
pnhc = hash_lookup(pnhgc->nhh, &lookup);
nexthop_group_write_nexthop_simple(
vty, pbrms->nhg->nexthop,
pnhc->nexthop.ifindex != 0 ? pnhc->intf_name : NULL);
if (pnhc->nexthop.vrf_id != VRF_DEFAULT)
vty_out(vty, " nexthop-vrf %s", pnhc->vrf_name);
vty_out(vty, "\n");
}
static void vty_show_pbrms(struct vty *vty,
const struct pbr_map_sequence *pbrms, bool detail)
{
char rbuf[64];
if (pbrms->reason)
pbr_map_reason_string(pbrms->reason, rbuf, sizeof(rbuf));
vty_out(vty, " Seq: %u rule: %u\n", pbrms->seqno, pbrms->ruleno);
if (detail)
vty_out(vty, " Installed: %" PRIu64 "(%u) Reason: %s\n",
pbrms->installed, pbrms->unique,
pbrms->reason ? rbuf : "Valid");
else
vty_out(vty, " Installed: %s Reason: %s\n",
pbrms->installed ? "yes" : "no",
pbrms->reason ? rbuf : "Valid");
if (pbrms->ip_proto) {
struct protoent *p;
p = getprotobynumber(pbrms->ip_proto);
vty_out(vty, " IP Protocol Match: %s\n", p->p_name);
}
if (pbrms->src)
vty_out(vty, " SRC Match: %pFX\n", pbrms->src);
if (pbrms->dst)
vty_out(vty, " DST Match: %pFX\n", pbrms->dst);
if (pbrms->dsfield & PBR_DSFIELD_DSCP)
vty_out(vty, " DSCP Match: %u\n",
(pbrms->dsfield & PBR_DSFIELD_DSCP) >> 2);
if (pbrms->dsfield & PBR_DSFIELD_ECN)
vty_out(vty, " ECN Match: %u\n",
pbrms->dsfield & PBR_DSFIELD_ECN);
if (pbrms->mark)
vty_out(vty, " MARK Match: %u\n", pbrms->mark);
if (pbrms->action_queue_id != PBR_MAP_UNDEFINED_QUEUE_ID)
vty_out(vty, " Set Queue ID %u\n",
pbrms->action_queue_id);
if (pbrms->action_vlan_id != 0)
vty_out(vty, " Set VLAN ID %u\n", pbrms->action_vlan_id);
if (pbrms->action_vlan_flags == PBR_MAP_STRIP_INNER_ANY)
vty_out(vty, " Strip VLAN ID\n");
if (pbrms->action_pcp)
vty_out(vty, " Set PCP %u\n", pbrms->action_pcp);
if (pbrms->nhgrp_name) {
vty_out(vty, " Nexthop-Group: %s\n", pbrms->nhgrp_name);
if (detail)
vty_out(vty,
" Installed: %u(%d) Tableid: %d\n",
pbrms->nhs_installed,
pbr_nht_get_installed(pbrms->nhgrp_name),
pbr_nht_get_table(pbrms->nhgrp_name));
else
vty_out(vty, " Installed: %s Tableid: %d\n",
pbr_nht_get_installed(pbrms->nhgrp_name) ? "yes"
: "no",
pbr_nht_get_table(pbrms->nhgrp_name));
} else if (pbrms->nhg) {
vty_out(vty, " ");
pbrms_nexthop_group_write_individual_nexthop(vty, pbrms);
if (detail)
vty_out(vty,
" Installed: %u(%d) Tableid: %d\n",
pbrms->nhs_installed,
pbr_nht_get_installed(pbrms->internal_nhg_name),
pbr_nht_get_table(pbrms->internal_nhg_name));
else
vty_out(vty, " Installed: %s Tableid: %d\n",
pbr_nht_get_installed(pbrms->internal_nhg_name)
? "yes"
: "no",
pbr_nht_get_table(pbrms->internal_nhg_name));
} else if (pbrms->vrf_unchanged) {
vty_out(vty, " VRF Unchanged (use interface vrf)\n");
} else if (pbrms->vrf_lookup) {
vty_out(vty, " VRF Lookup: %s\n", pbrms->vrf_name);
} else {
vty_out(vty, " Nexthop-Group: Unknown Installed: no\n");
}
}
static void vty_json_pbrms(json_object *j, struct vty *vty,
const struct pbr_map_sequence *pbrms)
{
json_object *jpbrm, *nexthop_group;
char *nhg_name = pbrms->nhgrp_name ? pbrms->nhgrp_name
: pbrms->internal_nhg_name;
char rbuf[64];
jpbrm = json_object_new_object();
json_object_int_add(jpbrm, "id", pbrms->unique);
if (pbrms->reason)
pbr_map_reason_string(pbrms->reason, rbuf, sizeof(rbuf));
json_object_int_add(jpbrm, "sequenceNumber", pbrms->seqno);
json_object_int_add(jpbrm, "ruleNumber", pbrms->ruleno);
json_object_boolean_add(jpbrm, "vrfUnchanged", pbrms->vrf_unchanged);
json_object_boolean_add(jpbrm, "installed",
pbr_nht_get_installed(nhg_name));
json_object_string_add(jpbrm, "installedReason",
pbrms->reason ? rbuf : "Valid");
if (nhg_name) {
nexthop_group = json_object_new_object();
json_object_int_add(nexthop_group, "tableId",
pbr_nht_get_table(nhg_name));
json_object_string_add(nexthop_group, "name", nhg_name);
json_object_boolean_add(nexthop_group, "installed",
pbr_nht_get_installed(nhg_name));
json_object_int_add(nexthop_group, "installedInternally",
pbrms->nhs_installed);
json_object_object_add(jpbrm, "nexthopGroup", nexthop_group);
}
if (pbrms->vrf_lookup)
json_object_string_add(jpbrm, "vrfName", pbrms->vrf_name);
if (pbrms->src)
json_object_string_addf(jpbrm, "matchSrc", "%pFX", pbrms->src);
if (pbrms->dst)
json_object_string_addf(jpbrm, "matchDst", "%pFX", pbrms->dst);
if (pbrms->mark)
json_object_int_add(jpbrm, "matchMark", pbrms->mark);
if (pbrms->dsfield & PBR_DSFIELD_DSCP)
json_object_int_add(jpbrm, "matchDscp",
(pbrms->dsfield & PBR_DSFIELD_DSCP) >> 2);
if (pbrms->dsfield & PBR_DSFIELD_ECN)
json_object_int_add(jpbrm, "matchEcn",
pbrms->dsfield & PBR_DSFIELD_ECN);
json_object_array_add(j, jpbrm);
}
static void vty_show_pbr_map(struct vty *vty, const struct pbr_map *pbrm,
bool detail)
{
struct pbr_map_sequence *pbrms;
struct listnode *node;
vty_out(vty, " pbr-map %s valid: %s\n", pbrm->name,
pbrm->valid ? "yes" : "no");
for (ALL_LIST_ELEMENTS_RO(pbrm->seqnumbers, node, pbrms))
vty_show_pbrms(vty, pbrms, detail);
}
static void vty_json_pbr_map(json_object *j, struct vty *vty,
const struct pbr_map *pbrm)
{
struct pbr_map_sequence *pbrms;
struct listnode *node;
json_object *jpbrms;
json_object_string_add(j, "name", pbrm->name);
json_object_boolean_add(j, "valid", pbrm->valid);
jpbrms = json_object_new_array();
for (ALL_LIST_ELEMENTS_RO(pbrm->seqnumbers, node, pbrms))
vty_json_pbrms(jpbrms, vty, pbrms);
json_object_object_add(j, "policies", jpbrms);
}