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bgp_debug.c
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// SPDX-License-Identifier: GPL-2.0-or-later
/* BGP-4, BGP-4+ packet debug routine
* Copyright (C) 1996, 97, 99 Kunihiro Ishiguro
*/
#include <zebra.h>
#include "lib/bfd.h"
#include "lib/printfrr.h"
#include "prefix.h"
#include "linklist.h"
#include "stream.h"
#include "command.h"
#include "log.h"
#include "sockunion.h"
#include "memory.h"
#include "queue.h"
#include "filter.h"
#include "hook.h"
#include "bgpd/bgpd.h"
#include "bgpd/bgp_aspath.h"
#include "bgpd/bgp_route.h"
#include "bgpd/bgp_attr.h"
#include "bgpd/bgp_debug.h"
#include "bgpd/bgp_community.h"
#include "bgpd/bgp_lcommunity.h"
#include "bgpd/bgp_updgrp.h"
#include "bgpd/bgp_mplsvpn.h"
#include "bgpd/bgp_ecommunity.h"
#include "bgpd/bgp_label.h"
#include "bgpd/bgp_evpn.h"
#include "bgpd/bgp_evpn_private.h"
#include "bgpd/bgp_evpn_vty.h"
#include "bgpd/bgp_vty.h"
#include "bgpd/bgp_flowspec.h"
#include "bgpd/bgp_packet.h"
#include "bgpd/bgp_debug_clippy.c"
DEFINE_HOOK(bgp_hook_config_write_debug, (struct vty *vty, bool running),
(vty, running));
unsigned long conf_bgp_debug_as4;
unsigned long conf_bgp_debug_neighbor_events;
unsigned long conf_bgp_debug_events;
unsigned long conf_bgp_debug_packet;
unsigned long conf_bgp_debug_filter;
unsigned long conf_bgp_debug_keepalive;
unsigned long conf_bgp_debug_update;
unsigned long conf_bgp_debug_bestpath;
unsigned long conf_bgp_debug_zebra;
unsigned long conf_bgp_debug_nht;
unsigned long conf_bgp_debug_update_groups;
unsigned long conf_bgp_debug_vpn;
unsigned long conf_bgp_debug_flowspec;
unsigned long conf_bgp_debug_labelpool;
unsigned long conf_bgp_debug_pbr;
unsigned long conf_bgp_debug_graceful_restart;
unsigned long conf_bgp_debug_evpn_mh;
unsigned long conf_bgp_debug_bfd;
unsigned long conf_bgp_debug_cond_adv;
unsigned long conf_bgp_debug_aggregate;
unsigned long term_bgp_debug_as4;
unsigned long term_bgp_debug_neighbor_events;
unsigned long term_bgp_debug_events;
unsigned long term_bgp_debug_packet;
unsigned long term_bgp_debug_filter;
unsigned long term_bgp_debug_keepalive;
unsigned long term_bgp_debug_update;
unsigned long term_bgp_debug_bestpath;
unsigned long term_bgp_debug_zebra;
unsigned long term_bgp_debug_nht;
unsigned long term_bgp_debug_update_groups;
unsigned long term_bgp_debug_vpn;
unsigned long term_bgp_debug_flowspec;
unsigned long term_bgp_debug_labelpool;
unsigned long term_bgp_debug_pbr;
unsigned long term_bgp_debug_graceful_restart;
unsigned long term_bgp_debug_evpn_mh;
unsigned long term_bgp_debug_bfd;
unsigned long term_bgp_debug_cond_adv;
unsigned long term_bgp_debug_aggregate;
struct list *bgp_debug_neighbor_events_peers = NULL;
struct list *bgp_debug_keepalive_peers = NULL;
struct list *bgp_debug_update_out_peers = NULL;
struct list *bgp_debug_update_in_peers = NULL;
struct list *bgp_debug_update_prefixes = NULL;
struct list *bgp_debug_bestpath_prefixes = NULL;
struct list *bgp_debug_zebra_prefixes = NULL;
struct list *bgp_debug_aggregate_prefixes;
/* messages for BGP-4 status */
const struct message bgp_status_msg[] = {{Idle, "Idle"},
{Connect, "Connect"},
{Active, "Active"},
{OpenSent, "OpenSent"},
{OpenConfirm, "OpenConfirm"},
{Established, "Established"},
{Clearing, "Clearing"},
{Deleted, "Deleted"},
{0}};
/* BGP message type string. */
const char *const bgp_type_str[] = {NULL, "OPEN", "UPDATE",
"NOTIFICATION", "KEEPALIVE", "ROUTE-REFRESH",
"CAPABILITY"};
/* message for BGP-4 Notify */
static const struct message bgp_notify_msg[] = {
{BGP_NOTIFY_HEADER_ERR, "Message Header Error"},
{BGP_NOTIFY_OPEN_ERR, "OPEN Message Error"},
{BGP_NOTIFY_UPDATE_ERR, "UPDATE Message Error"},
{BGP_NOTIFY_HOLD_ERR, "Hold Timer Expired"},
{BGP_NOTIFY_FSM_ERR, "Neighbor Events Error"},
{BGP_NOTIFY_CEASE, "Cease"},
{BGP_NOTIFY_ROUTE_REFRESH_ERR, "ROUTE-REFRESH Message Error"},
{BGP_NOTIFY_SEND_HOLD_ERR, "Send Hold Timer Expired"},
{0}};
static const struct message bgp_notify_head_msg[] = {
{BGP_NOTIFY_HEADER_NOT_SYNC, "/Connection Not Synchronized"},
{BGP_NOTIFY_HEADER_BAD_MESLEN, "/Bad Message Length"},
{BGP_NOTIFY_HEADER_BAD_MESTYPE, "/Bad Message Type"},
{0}};
static const struct message bgp_notify_open_msg[] = {
{BGP_NOTIFY_SUBCODE_UNSPECIFIC, "/Unspecific"},
{BGP_NOTIFY_OPEN_UNSUP_VERSION, "/Unsupported Version Number"},
{BGP_NOTIFY_OPEN_BAD_PEER_AS, "/Bad Peer AS"},
{BGP_NOTIFY_OPEN_BAD_BGP_IDENT, "/Bad BGP Identifier"},
{BGP_NOTIFY_OPEN_UNSUP_PARAM, "/Unsupported Optional Parameter"},
{BGP_NOTIFY_OPEN_UNACEP_HOLDTIME, "/Unacceptable Hold Time"},
{BGP_NOTIFY_OPEN_UNSUP_CAPBL, "/Unsupported Capability"},
{BGP_NOTIFY_OPEN_ROLE_MISMATCH, "/Role Mismatch"},
{0}};
static const struct message bgp_notify_update_msg[] = {
{BGP_NOTIFY_SUBCODE_UNSPECIFIC, "/Unspecific"},
{BGP_NOTIFY_UPDATE_MAL_ATTR, "/Malformed Attribute List"},
{BGP_NOTIFY_UPDATE_UNREC_ATTR, "/Unrecognized Well-known Attribute"},
{BGP_NOTIFY_UPDATE_MISS_ATTR, "/Missing Well-known Attribute"},
{BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR, "/Attribute Flags Error"},
{BGP_NOTIFY_UPDATE_ATTR_LENG_ERR, "/Attribute Length Error"},
{BGP_NOTIFY_UPDATE_INVAL_ORIGIN, "/Invalid ORIGIN Attribute"},
{BGP_NOTIFY_UPDATE_INVAL_NEXT_HOP, "/Invalid NEXT_HOP Attribute"},
{BGP_NOTIFY_UPDATE_OPT_ATTR_ERR, "/Optional Attribute Error"},
{BGP_NOTIFY_UPDATE_INVAL_NETWORK, "/Invalid Network Field"},
{BGP_NOTIFY_UPDATE_MAL_AS_PATH, "/Malformed AS_PATH"},
{BGP_NOTIFY_UPDATE_UNREACH_NEXT_HOP, "/Unreachable Link-Local Address"},
{0}};
static const struct message bgp_notify_cease_msg[] = {
{BGP_NOTIFY_SUBCODE_UNSPECIFIC, "/Unspecific"},
{BGP_NOTIFY_CEASE_MAX_PREFIX, "/Maximum Number of Prefixes Reached"},
{BGP_NOTIFY_CEASE_ADMIN_SHUTDOWN, "/Administrative Shutdown"},
{BGP_NOTIFY_CEASE_PEER_UNCONFIG, "/Peer De-configured"},
{BGP_NOTIFY_CEASE_ADMIN_RESET, "/Administrative Reset"},
{BGP_NOTIFY_CEASE_CONNECT_REJECT, "/Connection Rejected"},
{BGP_NOTIFY_CEASE_CONFIG_CHANGE, "/Other Configuration Change"},
{BGP_NOTIFY_CEASE_COLLISION_RESOLUTION,
"/Connection Collision Resolution"},
{BGP_NOTIFY_CEASE_OUT_OF_RESOURCE, "/Out of Resources"},
{BGP_NOTIFY_CEASE_HARD_RESET, "/Hard Reset"},
{BGP_NOTIFY_CEASE_BFD_DOWN, "/BFD Down"},
{0}};
static const struct message bgp_notify_route_refresh_msg[] = {
{BGP_NOTIFY_SUBCODE_UNSPECIFIC, "/Unspecific"},
{BGP_NOTIFY_ROUTE_REFRESH_INVALID_MSG_LEN, "/Invalid Message Length"},
{0}};
static const struct message bgp_notify_fsm_msg[] = {
{BGP_NOTIFY_FSM_ERR_SUBCODE_UNSPECIFIC, "/Unspecific"},
{BGP_NOTIFY_FSM_ERR_SUBCODE_OPENSENT,
"/Receive Unexpected Message in OpenSent State"},
{BGP_NOTIFY_FSM_ERR_SUBCODE_OPENCONFIRM,
"/Receive Unexpected Message in OpenConfirm State"},
{BGP_NOTIFY_FSM_ERR_SUBCODE_ESTABLISHED,
"/Receive Unexpected Message in Established State"},
{0}};
/* Origin strings. */
const char *const bgp_origin_str[] = {"i", "e", "?"};
const char *const bgp_origin_long_str[] = {"IGP", "EGP", "incomplete"};
static void bgp_debug_print_evpn_prefix(struct vty *vty, const char *desc,
struct prefix *p);
/* Given a string return a pointer the corresponding peer structure */
static struct peer *bgp_find_peer(struct vty *vty, const char *peer_str)
{
struct bgp *bgp = VTY_GET_CONTEXT(bgp);
int ret;
union sockunion su;
struct peer *peer;
if (!bgp) {
return NULL;
}
ret = str2sockunion(peer_str, &su);
/* 'swpX' string */
if (ret < 0) {
peer = peer_lookup_by_conf_if(bgp, peer_str);
if (!peer)
peer = peer_lookup_by_hostname(bgp, peer_str);
return peer;
} else
return peer_lookup(bgp, &su);
}
static void bgp_debug_list_free(struct list *list)
{
struct bgp_debug_filter *filter;
struct listnode *node, *nnode;
if (list)
for (ALL_LIST_ELEMENTS(list, node, nnode, filter)) {
listnode_delete(list, filter);
prefix_free(&filter->p);
XFREE(MTYPE_BGP_DEBUG_STR, filter->host);
XFREE(MTYPE_BGP_DEBUG_STR, filter->plist_name);
XFREE(MTYPE_BGP_DEBUG_FILTER, filter);
}
}
/*
* Print the desc along with a list of peers/prefixes this debug is
* enabled for
*/
static void bgp_debug_list_print(struct vty *vty, const char *desc,
struct list *list)
{
struct bgp_debug_filter *filter;
struct listnode *node, *nnode;
vty_out(vty, "%s", desc);
if (list && !list_isempty(list)) {
vty_out(vty, " for:\n");
for (ALL_LIST_ELEMENTS(list, node, nnode, filter)) {
if (filter->host)
vty_out(vty, " %s", filter->host);
if (filter->plist_name)
vty_out(vty, " with prefix-list %s",
filter->plist_name);
if (filter->p && filter->p->family == AF_EVPN)
bgp_debug_print_evpn_prefix(vty, "", filter->p);
else if (filter->p)
vty_out(vty, " %pFX", filter->p);
vty_out(vty, "\n");
}
}
vty_out(vty, "\n");
}
/*
* Print the command to enable the debug for each peer/prefix this debug is
* enabled for
*/
static int bgp_debug_list_conf_print(struct vty *vty, const char *desc,
struct list *list)
{
struct bgp_debug_filter *filter;
struct listnode *node, *nnode;
int write = 0;
if (list && !list_isempty(list)) {
for (ALL_LIST_ELEMENTS(list, node, nnode, filter)) {
if (filter->host && filter->plist_name) {
vty_out(vty, "%s %s prefix-list %s\n", desc,
filter->host, filter->plist_name);
write++;
} else if (filter->host) {
vty_out(vty, "%s %s\n", desc, filter->host);
write++;
}
if (filter->p && filter->p->family == AF_EVPN) {
bgp_debug_print_evpn_prefix(vty, desc,
filter->p);
write++;
} else if (filter->p) {
vty_out(vty, "%s %pFX\n", desc, filter->p);
write++;
}
}
}
if (!write) {
vty_out(vty, "%s\n", desc);
write++;
}
return write;
}
static void bgp_debug_list_add_entry(struct list *list, const char *host,
const struct prefix *p,
const char *plist_name)
{
struct bgp_debug_filter *filter;
filter = XCALLOC(MTYPE_BGP_DEBUG_FILTER,
sizeof(struct bgp_debug_filter));
if (host) {
filter->host = XSTRDUP(MTYPE_BGP_DEBUG_STR, host);
filter->plist_name = NULL;
filter->plist_v4 = NULL;
filter->plist_v6 = NULL;
filter->p = NULL;
} else if (p) {
filter->host = NULL;
filter->plist_name = NULL;
filter->plist_v4 = NULL;
filter->plist_v6 = NULL;
filter->p = prefix_new();
prefix_copy(filter->p, p);
}
if (plist_name) {
filter->plist_name = XSTRDUP(MTYPE_BGP_DEBUG_STR, plist_name);
filter->plist_v4 = prefix_list_lookup(AFI_IP,
filter->plist_name);
filter->plist_v6 = prefix_list_lookup(AFI_IP6,
filter->plist_name);
}
listnode_add(list, filter);
}
static bool bgp_debug_list_remove_entry(struct list *list, const char *host,
const struct prefix *p)
{
struct bgp_debug_filter *filter;
struct listnode *node, *nnode;
for (ALL_LIST_ELEMENTS(list, node, nnode, filter)) {
if (host && strcmp(filter->host, host) == 0) {
listnode_delete(list, filter);
XFREE(MTYPE_BGP_DEBUG_STR, filter->host);
XFREE(MTYPE_BGP_DEBUG_STR, filter->plist_name);
XFREE(MTYPE_BGP_DEBUG_FILTER, filter);
return true;
} else if (p && filter->p->prefixlen == p->prefixlen
&& prefix_match(filter->p, p)) {
listnode_delete(list, filter);
prefix_free(&filter->p);
XFREE(MTYPE_BGP_DEBUG_FILTER, filter);
return true;
}
}
return false;
}
static bool bgp_debug_list_has_entry(struct list *list, const char *host,
const struct prefix *p,
const char *plist_name)
{
struct bgp_debug_filter *filter;
struct listnode *node, *nnode;
for (ALL_LIST_ELEMENTS(list, node, nnode, filter)) {
if (host && plist_name) {
if (strmatch(filter->host, host) && filter->plist_name &&
strmatch(filter->plist_name, plist_name))
return true;
} else if (host) {
if (strmatch(filter->host, host))
return true;
} else if (p) {
if (filter->p->prefixlen == p->prefixlen
&& prefix_match(filter->p, p)) {
return true;
}
}
}
return false;
}
bool bgp_debug_peer_updout_enabled(char *host)
{
return (bgp_debug_list_has_entry(bgp_debug_update_out_peers, host, NULL,
NULL));
}
/* Dump attribute. */
bool bgp_dump_attr(struct attr *attr, char *buf, size_t size)
{
if (!attr)
return false;
buf[0] = '\0';
if (CHECK_FLAG(attr->flag, ATTR_FLAG_BIT(BGP_ATTR_NEXT_HOP)))
snprintfrr(buf, size, "nexthop %pI4", &attr->nexthop);
if (CHECK_FLAG(attr->flag, ATTR_FLAG_BIT(BGP_ATTR_ORIGIN)))
snprintf(buf + strlen(buf), size - strlen(buf), ", origin %s",
bgp_origin_str[attr->origin]);
/* Add MP case. */
if (attr->mp_nexthop_len == BGP_ATTR_NHLEN_IPV6_GLOBAL
|| attr->mp_nexthop_len == BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL)
snprintfrr(buf + strlen(buf), size - strlen(buf),
", mp_nexthop %pI6", &attr->mp_nexthop_global);
if (attr->mp_nexthop_len == BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL)
snprintfrr(buf + strlen(buf), size - strlen(buf), "(%pI6)",
&attr->mp_nexthop_local);
if (attr->mp_nexthop_len == BGP_ATTR_NHLEN_IPV4)
snprintfrr(buf, size, "nexthop %pI4", &attr->nexthop);
if (CHECK_FLAG(attr->flag, ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)))
snprintf(buf + strlen(buf), size - strlen(buf),
", localpref %u", attr->local_pref);
if (CHECK_FLAG(attr->flag, ATTR_FLAG_BIT(BGP_ATTR_AIGP)))
snprintf(buf + strlen(buf), size - strlen(buf),
", aigp-metric %" PRIu64,
(unsigned long long)bgp_attr_get_aigp_metric(attr));
if (CHECK_FLAG(attr->flag, ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)))
snprintf(buf + strlen(buf), size - strlen(buf), ", metric %u",
attr->med);
if (CHECK_FLAG(attr->flag, ATTR_FLAG_BIT(BGP_ATTR_COMMUNITIES)))
snprintf(buf + strlen(buf), size - strlen(buf),
", community %s",
community_str(bgp_attr_get_community(attr), false,
true));
if (CHECK_FLAG(attr->flag, ATTR_FLAG_BIT(BGP_ATTR_LARGE_COMMUNITIES)))
snprintf(buf + strlen(buf), size - strlen(buf),
", large-community %s",
lcommunity_str(bgp_attr_get_lcommunity(attr), false,
true));
if (CHECK_FLAG(attr->flag, ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES)))
snprintf(buf + strlen(buf), size - strlen(buf),
", extcommunity %s",
ecommunity_str(bgp_attr_get_ecommunity(attr)));
if (CHECK_FLAG(attr->flag, ATTR_FLAG_BIT(BGP_ATTR_IPV6_EXT_COMMUNITIES)))
snprintf(buf + strlen(buf), size - strlen(buf), ", ipv6-extcommunity %s",
ecommunity_str(bgp_attr_get_ipv6_ecommunity(attr)));
if (CHECK_FLAG(attr->flag, ATTR_FLAG_BIT(BGP_ATTR_ATOMIC_AGGREGATE)))
snprintf(buf + strlen(buf), size - strlen(buf),
", atomic-aggregate");
if (CHECK_FLAG(attr->flag, ATTR_FLAG_BIT(BGP_ATTR_AGGREGATOR)))
snprintfrr(buf + strlen(buf), size - strlen(buf),
", aggregated by %u %pI4", attr->aggregator_as,
&attr->aggregator_addr);
if (CHECK_FLAG(attr->flag, ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)))
snprintfrr(buf + strlen(buf), size - strlen(buf),
", originator %pI4", &attr->originator_id);
if (CHECK_FLAG(attr->flag, ATTR_FLAG_BIT(BGP_ATTR_CLUSTER_LIST))) {
struct cluster_list *cluster;
int i;
snprintf(buf + strlen(buf), size - strlen(buf),
", clusterlist");
cluster = bgp_attr_get_cluster(attr);
for (i = 0; i < cluster->length / 4; i++)
snprintfrr(buf + strlen(buf), size - strlen(buf),
" %pI4", &cluster->list[i]);
}
if (CHECK_FLAG(attr->flag, ATTR_FLAG_BIT(BGP_ATTR_PMSI_TUNNEL)))
snprintf(buf + strlen(buf), size - strlen(buf),
", pmsi tnltype %u", bgp_attr_get_pmsi_tnl_type(attr));
if (CHECK_FLAG(attr->flag, ATTR_FLAG_BIT(BGP_ATTR_AS_PATH)))
snprintf(buf + strlen(buf), size - strlen(buf), ", path %s",
aspath_print(attr->aspath));
if (CHECK_FLAG(attr->flag, ATTR_FLAG_BIT(BGP_ATTR_PREFIX_SID))) {
if (attr->label_index != BGP_INVALID_LABEL_INDEX)
snprintf(buf + strlen(buf), size - strlen(buf),
", label-index %u", attr->label_index);
}
if (strlen(buf) > 1)
return true;
else
return false;
}
const char *bgp_notify_code_str(char code)
{
return lookup_msg(bgp_notify_msg, code, "Unrecognized Error Code");
}
const char *bgp_notify_subcode_str(char code, char subcode)
{
switch (code) {
case BGP_NOTIFY_HEADER_ERR:
return lookup_msg(bgp_notify_head_msg, subcode,
"Unrecognized Error Subcode");
case BGP_NOTIFY_OPEN_ERR:
return lookup_msg(bgp_notify_open_msg, subcode,
"Unrecognized Error Subcode");
case BGP_NOTIFY_UPDATE_ERR:
return lookup_msg(bgp_notify_update_msg, subcode,
"Unrecognized Error Subcode");
case BGP_NOTIFY_HOLD_ERR:
case BGP_NOTIFY_SEND_HOLD_ERR:
break;
case BGP_NOTIFY_FSM_ERR:
return lookup_msg(bgp_notify_fsm_msg, subcode,
"Unrecognized Error Subcode");
case BGP_NOTIFY_CEASE:
return lookup_msg(bgp_notify_cease_msg, subcode,
"Unrecognized Error Subcode");
case BGP_NOTIFY_ROUTE_REFRESH_ERR:
return lookup_msg(bgp_notify_route_refresh_msg, subcode,
"Unrecognized Error Subcode");
}
return "";
}
/* extract notify admin reason if correctly present */
const char *bgp_notify_admin_message(char *buf, size_t bufsz, uint8_t *data,
size_t datalen)
{
memset(buf, 0, bufsz);
if (!data || datalen < 1)
return buf;
uint8_t len = data[0];
if (!len || len > datalen - 1)
return buf;
return zlog_sanitize(buf, bufsz, data + 1, len);
}
/* dump notify packet */
void bgp_notify_print(struct peer *peer, struct bgp_notify *bgp_notify,
const char *direct, bool hard_reset)
{
const char *subcode_str;
const char *code_str;
const char *msg_str = NULL;
char msg_buf[1024];
if (BGP_DEBUG(neighbor_events, NEIGHBOR_EVENTS)
|| CHECK_FLAG(peer->bgp->flags, BGP_FLAG_LOG_NEIGHBOR_CHANGES)) {
code_str = bgp_notify_code_str(bgp_notify->code);
subcode_str = bgp_notify_subcode_str(bgp_notify->code,
bgp_notify->subcode);
if (bgp_notify->code == BGP_NOTIFY_CEASE
&& (bgp_notify->subcode == BGP_NOTIFY_CEASE_ADMIN_SHUTDOWN
|| bgp_notify->subcode
== BGP_NOTIFY_CEASE_ADMIN_RESET)) {
msg_str = bgp_notify_admin_message(
msg_buf, sizeof(msg_buf), bgp_notify->raw_data,
bgp_notify->length);
}
if (msg_str) {
zlog_info(
"%%NOTIFICATION%s: %s neighbor %s %d/%d (%s%s) \"%s\"",
hard_reset ? "(Hard Reset)" : "",
strcmp(direct, "received") == 0
? "received from"
: "sent to",
peer->host, bgp_notify->code,
bgp_notify->subcode, code_str, subcode_str,
msg_str);
} else {
msg_str = bgp_notify->data ? bgp_notify->data : "";
zlog_info(
"%%NOTIFICATION%s: %s neighbor %s %d/%d (%s%s) %d bytes %s",
hard_reset ? "(Hard Reset)" : "",
strcmp(direct, "received") == 0
? "received from"
: "sent to",
peer->host, bgp_notify->code,
bgp_notify->subcode, code_str, subcode_str,
bgp_notify->length, msg_str);
}
}
}
static void bgp_debug_clear_updgrp_update_dbg(struct bgp *bgp)
{
if (!bgp)
bgp = bgp_get_default();
update_group_walk(bgp, update_group_clear_update_dbg, NULL);
}
static void bgp_debug_print_evpn_prefix(struct vty *vty, const char *desc,
struct prefix *p)
{
char evpn_desc[PREFIX2STR_BUFFER + INET_ADDRSTRLEN];
char buf[PREFIX2STR_BUFFER];
char buf2[ETHER_ADDR_STRLEN];
if (p->u.prefix_evpn.route_type == BGP_EVPN_MAC_IP_ROUTE) {
if (is_evpn_prefix_ipaddr_none((struct prefix_evpn *)p)) {
snprintf(
evpn_desc, sizeof(evpn_desc),
"l2vpn evpn type macip mac %s",
prefix_mac2str(&p->u.prefix_evpn.macip_addr.mac,
buf2, sizeof(buf2)));
} else {
uint8_t family = is_evpn_prefix_ipaddr_v4(
(struct prefix_evpn *)p) ?
AF_INET : AF_INET6;
snprintf(
evpn_desc, sizeof(evpn_desc),
"l2vpn evpn type macip mac %s ip %s",
prefix_mac2str(&p->u.prefix_evpn.macip_addr.mac,
buf2, sizeof(buf2)),
inet_ntop(
family,
&p->u.prefix_evpn.macip_addr.ip.ip.addr,
buf, PREFIX2STR_BUFFER));
}
} else if (p->u.prefix_evpn.route_type == BGP_EVPN_IMET_ROUTE) {
snprintfrr(evpn_desc, sizeof(evpn_desc),
"l2vpn evpn type multicast ip %pI4",
&p->u.prefix_evpn.imet_addr.ip.ipaddr_v4);
} else if (p->u.prefix_evpn.route_type == BGP_EVPN_IP_PREFIX_ROUTE) {
uint8_t family = is_evpn_prefix_ipaddr_v4(
(struct prefix_evpn *)p) ? AF_INET
: AF_INET6;
snprintf(evpn_desc, sizeof(evpn_desc),
"l2vpn evpn type prefix ip %s/%d",
inet_ntop(family,
&p->u.prefix_evpn.prefix_addr.ip.ip.addr,
buf, PREFIX2STR_BUFFER),
p->u.prefix_evpn.prefix_addr.ip_prefix_length);
}
vty_out(vty, "%s %s\n", desc, evpn_desc);
}
static int bgp_debug_parse_evpn_prefix(struct vty *vty, struct cmd_token **argv,
int argc, struct prefix *argv_p)
{
struct ethaddr mac = {};
struct ipaddr ip = {};
int evpn_type = 0;
int mac_idx = 0;
int ip_idx = 0;
if (bgp_evpn_cli_parse_type(&evpn_type, argv, argc) < 0)
return CMD_WARNING;
if (evpn_type == BGP_EVPN_MAC_IP_ROUTE) {
memset(&ip, 0, sizeof(ip));
if (argv_find(argv, argc, "mac", &mac_idx))
if (!prefix_str2mac(argv[mac_idx + 1]->arg, &mac)) {
vty_out(vty, "%% Malformed MAC address\n");
return CMD_WARNING;
}
if (argv_find(argv, argc, "ip", &ip_idx))
if (str2ipaddr(argv[ip_idx + 1]->arg, &ip) != 0) {
vty_out(vty, "%% Malformed IP address\n");
return CMD_WARNING;
}
build_evpn_type2_prefix((struct prefix_evpn *)argv_p,
&mac, &ip);
} else if (evpn_type == BGP_EVPN_IMET_ROUTE) {
memset(&ip, 0, sizeof(ip));
if (argv_find(argv, argc, "ip", &ip_idx))
if (str2ipaddr(argv[ip_idx + 1]->arg, &ip) != 0) {
vty_out(vty, "%% Malformed IP address\n");
return CMD_WARNING;
}
build_evpn_type3_prefix((struct prefix_evpn *)argv_p,
ip.ipaddr_v4);
} else if (evpn_type == BGP_EVPN_IP_PREFIX_ROUTE) {
struct prefix ip_prefix;
memset(&ip_prefix, 0, sizeof(ip_prefix));
if (argv_find(argv, argc, "ip", &ip_idx)) {
(void)str2prefix(argv[ip_idx + 1]->arg, &ip_prefix);
apply_mask(&ip_prefix);
}
build_type5_prefix_from_ip_prefix(
(struct prefix_evpn *)argv_p,
&ip_prefix);
}
return CMD_SUCCESS;
}
/* Debug option setting interface. */
unsigned long bgp_debug_option = 0;
int debug(unsigned int option)
{
return bgp_debug_option & option;
}
DEFUN (debug_bgp_as4,
debug_bgp_as4_cmd,
"debug bgp as4",
DEBUG_STR
BGP_STR
"BGP AS4 actions\n")
{
if (vty->node == CONFIG_NODE)
DEBUG_ON(as4, AS4);
else {
TERM_DEBUG_ON(as4, AS4);
vty_out(vty, "BGP as4 debugging is on\n");
}
return CMD_SUCCESS;
}
DEFUN (no_debug_bgp_as4,
no_debug_bgp_as4_cmd,
"no debug bgp as4",
NO_STR
DEBUG_STR
BGP_STR
"BGP AS4 actions\n")
{
if (vty->node == CONFIG_NODE)
DEBUG_OFF(as4, AS4);
else {
TERM_DEBUG_OFF(as4, AS4);
vty_out(vty, "BGP as4 debugging is off\n");
}
return CMD_SUCCESS;
}
DEFUN (debug_bgp_as4_segment,
debug_bgp_as4_segment_cmd,
"debug bgp as4 segment",
DEBUG_STR
BGP_STR
"BGP AS4 actions\n"
"BGP AS4 aspath segment handling\n")
{
if (vty->node == CONFIG_NODE)
DEBUG_ON(as4, AS4_SEGMENT);
else {
TERM_DEBUG_ON(as4, AS4_SEGMENT);
vty_out(vty, "BGP as4 segment debugging is on\n");
}
return CMD_SUCCESS;
}
DEFUN (no_debug_bgp_as4_segment,
no_debug_bgp_as4_segment_cmd,
"no debug bgp as4 segment",
NO_STR
DEBUG_STR
BGP_STR
"BGP AS4 actions\n"
"BGP AS4 aspath segment handling\n")
{
if (vty->node == CONFIG_NODE)
DEBUG_OFF(as4, AS4_SEGMENT);
else {
TERM_DEBUG_OFF(as4, AS4_SEGMENT);
vty_out(vty, "BGP as4 segment debugging is off\n");
}
return CMD_SUCCESS;
}
/* debug bgp neighbor_events */
DEFUN (debug_bgp_neighbor_events,
debug_bgp_neighbor_events_cmd,
"debug bgp neighbor-events",
DEBUG_STR
BGP_STR
"BGP Neighbor Events\n")
{
bgp_debug_list_free(bgp_debug_neighbor_events_peers);
if (vty->node == CONFIG_NODE)
DEBUG_ON(neighbor_events, NEIGHBOR_EVENTS);
else {
TERM_DEBUG_ON(neighbor_events, NEIGHBOR_EVENTS);
vty_out(vty, "BGP neighbor-events debugging is on\n");
}
return CMD_SUCCESS;
}
DEFUN (debug_bgp_neighbor_events_peer,
debug_bgp_neighbor_events_peer_cmd,
"debug bgp neighbor-events <A.B.C.D|X:X::X:X|WORD>",
DEBUG_STR
BGP_STR
"BGP Neighbor Events\n"
"BGP neighbor IP address to debug\n"
"BGP IPv6 neighbor to debug\n"
"BGP neighbor on interface to debug\n")
{
int idx_peer = 3;
const char *host = argv[idx_peer]->arg;
if (!bgp_debug_neighbor_events_peers)
bgp_debug_neighbor_events_peers = list_new();
if (bgp_debug_list_has_entry(bgp_debug_neighbor_events_peers, host,
NULL, NULL)) {
vty_out(vty,
"BGP neighbor-events debugging is already enabled for %s\n",
host);
return CMD_SUCCESS;
}
bgp_debug_list_add_entry(bgp_debug_neighbor_events_peers, host, NULL,
NULL);
if (vty->node == CONFIG_NODE)
DEBUG_ON(neighbor_events, NEIGHBOR_EVENTS);
else {
TERM_DEBUG_ON(neighbor_events, NEIGHBOR_EVENTS);
vty_out(vty, "BGP neighbor-events debugging is on for %s\n",
host);
}
return CMD_SUCCESS;
}
DEFUN (no_debug_bgp_neighbor_events,
no_debug_bgp_neighbor_events_cmd,
"no debug bgp neighbor-events",
NO_STR
DEBUG_STR
BGP_STR
"Neighbor Events\n")
{
bgp_debug_list_free(bgp_debug_neighbor_events_peers);
if (vty->node == CONFIG_NODE)
DEBUG_OFF(neighbor_events, NEIGHBOR_EVENTS);
else {
TERM_DEBUG_OFF(neighbor_events, NEIGHBOR_EVENTS);
vty_out(vty, "BGP neighbor-events debugging is off\n");
}
return CMD_SUCCESS;
}
DEFUN (no_debug_bgp_neighbor_events_peer,
no_debug_bgp_neighbor_events_peer_cmd,
"no debug bgp neighbor-events <A.B.C.D|X:X::X:X|WORD>",
NO_STR
DEBUG_STR
BGP_STR
"Neighbor Events\n"
"BGP neighbor IP address to debug\n"
"BGP IPv6 neighbor to debug\n"
"BGP neighbor on interface to debug\n")
{
int idx_peer = 4;
int found_peer = 0;
const char *host = argv[idx_peer]->arg;
if (bgp_debug_neighbor_events_peers
&& !list_isempty(bgp_debug_neighbor_events_peers)) {
found_peer = bgp_debug_list_remove_entry(
bgp_debug_neighbor_events_peers, host, NULL);
if (list_isempty(bgp_debug_neighbor_events_peers)) {
if (vty->node == CONFIG_NODE)
DEBUG_OFF(neighbor_events, NEIGHBOR_EVENTS);
else
TERM_DEBUG_OFF(neighbor_events,
NEIGHBOR_EVENTS);
}
}
if (found_peer)
vty_out(vty, "BGP neighbor-events debugging is off for %s\n",
host);
else
vty_out(vty,
"BGP neighbor-events debugging was not enabled for %s\n",
host);
return CMD_SUCCESS;
}
/* debug bgp nht */
DEFUN (debug_bgp_nht,
debug_bgp_nht_cmd,
"debug bgp nht",
DEBUG_STR
BGP_STR
"BGP nexthop tracking events\n")
{
if (vty->node == CONFIG_NODE)
DEBUG_ON(nht, NHT);
else {
TERM_DEBUG_ON(nht, NHT);
vty_out(vty, "BGP nexthop tracking debugging is on\n");
}
return CMD_SUCCESS;
}
DEFUN (no_debug_bgp_nht,
no_debug_bgp_nht_cmd,
"no debug bgp nht",
NO_STR
DEBUG_STR
BGP_STR
"BGP nexthop tracking events\n")
{
if (vty->node == CONFIG_NODE)
DEBUG_OFF(nht, NHT);
else {
TERM_DEBUG_OFF(nht, NHT);
vty_out(vty, "BGP nexthop tracking debugging is off\n");
}
return CMD_SUCCESS;
}
/* debug bgp keepalives */
DEFUN (debug_bgp_keepalive,
debug_bgp_keepalive_cmd,
"debug bgp keepalives",
DEBUG_STR
BGP_STR
"BGP keepalives\n")
{
bgp_debug_list_free(bgp_debug_keepalive_peers);
if (vty->node == CONFIG_NODE)
DEBUG_ON(keepalive, KEEPALIVE);
else {
TERM_DEBUG_ON(keepalive, KEEPALIVE);
vty_out(vty, "BGP keepalives debugging is on\n");
}
return CMD_SUCCESS;
}
DEFUN (debug_bgp_keepalive_peer,
debug_bgp_keepalive_peer_cmd,
"debug bgp keepalives <A.B.C.D|X:X::X:X|WORD>",
DEBUG_STR
BGP_STR
"BGP keepalives\n"
"BGP IPv4 neighbor to debug\n"
"BGP IPv6 neighbor to debug\n"
"BGP neighbor on interface to debug\n")
{
int idx_peer = 3;
const char *host = argv[idx_peer]->arg;
if (!bgp_debug_keepalive_peers)
bgp_debug_keepalive_peers = list_new();
if (bgp_debug_list_has_entry(bgp_debug_keepalive_peers, host, NULL,
NULL)) {
vty_out(vty,
"BGP keepalive debugging is already enabled for %s\n",
host);
return CMD_SUCCESS;
}
bgp_debug_list_add_entry(bgp_debug_keepalive_peers, host, NULL, NULL);
if (vty->node == CONFIG_NODE)
DEBUG_ON(keepalive, KEEPALIVE);
else {
TERM_DEBUG_ON(keepalive, KEEPALIVE);
vty_out(vty, "BGP keepalives debugging is on for %s\n", host);
}
return CMD_SUCCESS;
}
DEFUN (no_debug_bgp_keepalive,
no_debug_bgp_keepalive_cmd,
"no debug bgp keepalives",
NO_STR
DEBUG_STR
BGP_STR
"BGP keepalives\n")
{