isisd, yang: implement interface counters

The new "event-counters" grouping is almost a 1:1 copy of the same
grouping from the IETF IS-IS module, except for the "lan-dis-changes"
leaf which was skipped (more work needs to be done to support it).

Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
This commit is contained in:
Renato Westphal 2019-09-23 09:38:02 -03:00
parent aec5ef490c
commit c32496ee5c
5 changed files with 342 additions and 6 deletions

View File

@ -254,6 +254,7 @@ void isis_adj_state_change(struct isis_adjacency *adj,
reason ? reason : "unspecified");
}
circuit->adj_state_changes++;
#ifndef FABRICD
/* send northbound notification */
isis_notif_adj_state_change(adj, new_state, reason);

View File

@ -144,6 +144,13 @@ struct isis_circuit {
uint32_t
desig_changes[2]; /* lanLxDesignatedIntermediateSystemChanges */
uint32_t rej_adjacencies; /* rejectedAdjacencies */
/*
* Counters as in ietf-isis@2019-09-09.yang
*/
uint32_t id_len_mismatches; /* id-len-mismatch */
uint32_t max_area_addr_mismatches; /* max-area-addresses-mismatch */
uint32_t auth_type_failures; /*authentication-type-fails */
uint32_t auth_failures; /* authentication-fails */
QOBJ_FIELDS
};

View File

@ -2483,6 +2483,205 @@ lib_interface_isis_adjacencies_adjacency_state_get_elem(const char *xpath,
return yang_data_new_string(xpath, isis_yang_adj_state(adj->adj_state));
}
/*
* XPath:
* /frr-interface:lib/interface/frr-isisd:isis/event-counters/adjacency-changes
*/
static struct yang_data *
lib_interface_isis_event_counters_adjacency_changes_get_elem(
const char *xpath, const void *list_entry)
{
struct interface *ifp;
struct isis_circuit *circuit;
ifp = (struct interface *)list_entry;
if (!ifp)
return NULL;
circuit = circuit_scan_by_ifp(ifp);
if (!circuit)
return NULL;
return yang_data_new_uint32(xpath, circuit->adj_state_changes);
}
/*
* XPath:
* /frr-interface:lib/interface/frr-isisd:isis/event-counters/adjacency-number
*/
static struct yang_data *
lib_interface_isis_event_counters_adjacency_number_get_elem(
const char *xpath, const void *list_entry)
{
struct interface *ifp;
struct isis_circuit *circuit;
struct isis_adjacency *adj;
struct listnode *node;
uint32_t total = 0;
ifp = (struct interface *)list_entry;
if (!ifp)
return NULL;
circuit = circuit_scan_by_ifp(ifp);
if (!circuit)
return NULL;
/*
* TODO: keep track of the number of adjacencies instead of calculating
* it on demand.
*/
switch (circuit->circ_type) {
case CIRCUIT_T_BROADCAST:
for (int level = ISIS_LEVEL1; level <= ISIS_LEVELS; level++) {
for (ALL_LIST_ELEMENTS_RO(
circuit->u.bc.adjdb[level - 1], node, adj))
total++;
}
break;
case CIRCUIT_T_P2P:
adj = circuit->u.p2p.neighbor;
if (adj)
total = 1;
break;
default:
break;
}
return yang_data_new_uint32(xpath, total);
}
/*
* XPath: /frr-interface:lib/interface/frr-isisd:isis/event-counters/init-fails
*/
static struct yang_data *
lib_interface_isis_event_counters_init_fails_get_elem(const char *xpath,
const void *list_entry)
{
struct interface *ifp;
struct isis_circuit *circuit;
ifp = (struct interface *)list_entry;
if (!ifp)
return NULL;
circuit = circuit_scan_by_ifp(ifp);
if (!circuit)
return NULL;
return yang_data_new_uint32(xpath, circuit->init_failures);
}
/*
* XPath:
* /frr-interface:lib/interface/frr-isisd:isis/event-counters/adjacency-rejects
*/
static struct yang_data *
lib_interface_isis_event_counters_adjacency_rejects_get_elem(
const char *xpath, const void *list_entry)
{
struct interface *ifp;
struct isis_circuit *circuit;
ifp = (struct interface *)list_entry;
if (!ifp)
return NULL;
circuit = circuit_scan_by_ifp(ifp);
if (!circuit)
return NULL;
return yang_data_new_uint32(xpath, circuit->rej_adjacencies);
}
/*
* XPath:
* /frr-interface:lib/interface/frr-isisd:isis/event-counters/id-len-mismatch
*/
static struct yang_data *
lib_interface_isis_event_counters_id_len_mismatch_get_elem(
const char *xpath, const void *list_entry)
{
struct interface *ifp;
struct isis_circuit *circuit;
ifp = (struct interface *)list_entry;
if (!ifp)
return NULL;
circuit = circuit_scan_by_ifp(ifp);
if (!circuit)
return NULL;
return yang_data_new_uint32(xpath, circuit->id_len_mismatches);
}
/*
* XPath:
* /frr-interface:lib/interface/frr-isisd:isis/event-counters/max-area-addresses-mismatch
*/
static struct yang_data *
lib_interface_isis_event_counters_max_area_addresses_mismatch_get_elem(
const char *xpath, const void *list_entry)
{
struct interface *ifp;
struct isis_circuit *circuit;
ifp = (struct interface *)list_entry;
if (!ifp)
return NULL;
circuit = circuit_scan_by_ifp(ifp);
if (!circuit)
return NULL;
return yang_data_new_uint32(xpath, circuit->max_area_addr_mismatches);
}
/*
* XPath:
* /frr-interface:lib/interface/frr-isisd:isis/event-counters/authentication-type-fails
*/
static struct yang_data *
lib_interface_isis_event_counters_authentication_type_fails_get_elem(
const char *xpath, const void *list_entry)
{
struct interface *ifp;
struct isis_circuit *circuit;
ifp = (struct interface *)list_entry;
if (!ifp)
return NULL;
circuit = circuit_scan_by_ifp(ifp);
if (!circuit)
return NULL;
return yang_data_new_uint32(xpath, circuit->auth_type_failures);
}
/*
* XPath:
* /frr-interface:lib/interface/frr-isisd:isis/event-counters/authentication-fails
*/
static struct yang_data *
lib_interface_isis_event_counters_authentication_fails_get_elem(
const char *xpath, const void *list_entry)
{
struct interface *ifp;
struct isis_circuit *circuit;
ifp = (struct interface *)list_entry;
if (!ifp)
return NULL;
circuit = circuit_scan_by_ifp(ifp);
if (!circuit)
return NULL;
return yang_data_new_uint32(xpath, circuit->auth_failures);
}
/*
* NOTIFICATIONS
*/
@ -3699,6 +3898,54 @@ const struct frr_yang_module_info frr_isisd_info = {
.get_elem = lib_interface_isis_adjacencies_adjacency_state_get_elem,
}
},
{
.xpath = "/frr-interface:lib/interface/frr-isisd:isis/event-counters/adjacency-changes",
.cbs = {
.get_elem = lib_interface_isis_event_counters_adjacency_changes_get_elem,
}
},
{
.xpath = "/frr-interface:lib/interface/frr-isisd:isis/event-counters/adjacency-number",
.cbs = {
.get_elem = lib_interface_isis_event_counters_adjacency_number_get_elem,
}
},
{
.xpath = "/frr-interface:lib/interface/frr-isisd:isis/event-counters/init-fails",
.cbs = {
.get_elem = lib_interface_isis_event_counters_init_fails_get_elem,
}
},
{
.xpath = "/frr-interface:lib/interface/frr-isisd:isis/event-counters/adjacency-rejects",
.cbs = {
.get_elem = lib_interface_isis_event_counters_adjacency_rejects_get_elem,
}
},
{
.xpath = "/frr-interface:lib/interface/frr-isisd:isis/event-counters/id-len-mismatch",
.cbs = {
.get_elem = lib_interface_isis_event_counters_id_len_mismatch_get_elem,
}
},
{
.xpath = "/frr-interface:lib/interface/frr-isisd:isis/event-counters/max-area-addresses-mismatch",
.cbs = {
.get_elem = lib_interface_isis_event_counters_max_area_addresses_mismatch_get_elem,
}
},
{
.xpath = "/frr-interface:lib/interface/frr-isisd:isis/event-counters/authentication-type-fails",
.cbs = {
.get_elem = lib_interface_isis_event_counters_authentication_type_fails_get_elem,
}
},
{
.xpath = "/frr-interface:lib/interface/frr-isisd:isis/event-counters/authentication-fails",
.cbs = {
.get_elem = lib_interface_isis_event_counters_authentication_fails_get_elem,
}
},
{
.xpath = NULL,
},

View File

@ -576,6 +576,7 @@ static int process_hello(uint8_t pdu_type, struct isis_circuit *circuit,
if (p2p_hello) {
if (circuit->circ_type != CIRCUIT_T_P2P) {
zlog_warn("p2p hello on non p2p circuit");
circuit->rej_adjacencies++;
#ifndef FABRICD
isis_notif_reject_adjacency(
circuit, "p2p hello on non p2p circuit",
@ -586,6 +587,7 @@ static int process_hello(uint8_t pdu_type, struct isis_circuit *circuit,
} else {
if (circuit->circ_type != CIRCUIT_T_BROADCAST) {
zlog_warn("lan hello on non broadcast circuit");
circuit->rej_adjacencies++;
#ifndef FABRICD
isis_notif_reject_adjacency(
circuit, "lan hello on non broadcast circuit",
@ -598,6 +600,7 @@ static int process_hello(uint8_t pdu_type, struct isis_circuit *circuit,
zlog_debug(
"level %d LAN Hello received over circuit with externalDomain = true",
level);
circuit->rej_adjacencies++;
#ifndef FABRICD
isis_notif_reject_adjacency(
circuit,
@ -614,6 +617,7 @@ static int process_hello(uint8_t pdu_type, struct isis_circuit *circuit,
circuit->area->area_tag,
circuit->interface->name);
}
circuit->rej_adjacencies++;
#ifndef FABRICD
isis_notif_reject_adjacency(
circuit, "Interface level mismatch", raw_pdu);
@ -643,6 +647,7 @@ static int process_hello(uint8_t pdu_type, struct isis_circuit *circuit,
"ISIS-Adj (%s): Rcvd %s from (%s) with invalid pdu length %" PRIu16,
circuit->area->area_tag, pdu_name,
circuit->interface->name, iih.pdu_len);
circuit->rej_adjacencies++;
#ifndef FABRICD
isis_notif_reject_adjacency(circuit, "Invalid PDU length",
raw_pdu);
@ -654,6 +659,7 @@ static int process_hello(uint8_t pdu_type, struct isis_circuit *circuit,
flog_err(EC_ISIS_PACKET,
"Level %d LAN Hello with Circuit Type %d", level,
iih.circ_type);
circuit->rej_adjacencies++;
#ifndef FABRICD
isis_notif_reject_adjacency(
circuit, "LAN Hello with wrong IS-level", raw_pdu);
@ -667,6 +673,7 @@ static int process_hello(uint8_t pdu_type, struct isis_circuit *circuit,
if (isis_unpack_tlvs(STREAM_READABLE(circuit->rcv_stream),
circuit->rcv_stream, &iih.tlvs, &error_log)) {
zlog_warn("isis_unpack_tlvs() failed: %s", error_log);
circuit->rej_adjacencies++;
#ifndef FABRICD
isis_notif_reject_adjacency(circuit, "Failed to unpack TLVs",
raw_pdu);
@ -685,6 +692,7 @@ static int process_hello(uint8_t pdu_type, struct isis_circuit *circuit,
if (!iih.tlvs->protocols_supported.count) {
zlog_warn("No supported protocols TLV in %s", pdu_name);
circuit->rej_adjacencies++;
#ifndef FABRICD
isis_notif_reject_adjacency(
circuit, "No supported protocols TLV", raw_pdu);
@ -702,11 +710,14 @@ static int process_hello(uint8_t pdu_type, struct isis_circuit *circuit,
/* send northbound notification */
stream_get_from(raw_pdu, circuit->rcv_stream, pdu_start,
pdu_end - pdu_start);
if (auth_code == ISIS_AUTH_FAILURE)
if (auth_code == ISIS_AUTH_FAILURE) {
circuit->auth_failures++;
isis_notif_authentication_failure(circuit, raw_pdu);
else /* AUTH_TYPE_FAILURE or NO_VALIDATOR */
} else { /* AUTH_TYPE_FAILURE or NO_VALIDATOR */
circuit->auth_type_failures++;
isis_notif_authentication_type_failure(circuit,
raw_pdu);
}
#endif /* ifndef FABRICD */
goto out;
}
@ -715,6 +726,7 @@ static int process_hello(uint8_t pdu_type, struct isis_circuit *circuit,
zlog_warn(
"ISIS-Adj (%s): Received IIH with own sysid - discard",
circuit->area->area_tag);
circuit->rej_adjacencies++;
#ifndef FABRICD
isis_notif_reject_adjacency(
circuit, "Received IIH with our own sysid", raw_pdu);
@ -752,6 +764,7 @@ static int process_hello(uint8_t pdu_type, struct isis_circuit *circuit,
"ISIS-Adj (%s): Neither IPv4 nor IPv6 considered usable. Ignoring IIH",
circuit->area->area_tag);
}
circuit->rej_adjacencies++;
#ifndef FABRICD
isis_notif_reject_adjacency(
circuit, "Neither IPv4 not IPv6 considered usable",
@ -940,11 +953,14 @@ static int process_lsp(uint8_t pdu_type, struct isis_circuit *circuit,
hdr.lsp_id);
#ifndef FABRICD
/* send northbound notification */
if (auth_code == ISIS_AUTH_FAILURE)
if (auth_code == ISIS_AUTH_FAILURE) {
circuit->auth_failures++;
isis_notif_authentication_failure(circuit, raw_pdu);
else /* AUTH_TYPE_FAILURE or NO_VALIDATOR */
} else { /* AUTH_TYPE_FAILURE or NO_VALIDATOR */
circuit->auth_type_failures++;
isis_notif_authentication_type_failure(circuit,
raw_pdu);
}
#endif /* ifndef FABRICD */
goto out;
}
@ -1373,12 +1389,15 @@ static int process_snp(uint8_t pdu_type, struct isis_circuit *circuit,
/* send northbound notification */
stream_get_from(raw_pdu, circuit->rcv_stream, pdu_start,
pdu_end - pdu_start);
if (auth_code == ISIS_AUTH_FAILURE)
if (auth_code == ISIS_AUTH_FAILURE) {
circuit->auth_failures++;
isis_notif_authentication_failure(circuit,
raw_pdu);
else /* AUTH_TYPE_FAILURE or NO_VALIDATOR */
} else { /* AUTH_TYPE_FAILURE or NO_VALIDATOR */
circuit->auth_type_failures++;
isis_notif_authentication_type_failure(circuit,
raw_pdu);
}
#endif /* ifndef FABRICD */
goto out;
}
@ -1614,6 +1633,7 @@ int isis_handle_pdu(struct isis_circuit *circuit, uint8_t *ssnpa)
"IDFieldLengthMismatch: ID Length field in a received PDU %" PRIu8
", while the parameter for this IS is %u",
id_len, ISIS_SYS_ID_LEN);
circuit->id_len_mismatches++;
#ifndef FABRICD
/* send northbound notification */
isis_notif_id_len_mismatch(circuit, id_len, raw_pdu);
@ -1666,6 +1686,7 @@ int isis_handle_pdu(struct isis_circuit *circuit, uint8_t *ssnpa)
"maximumAreaAddressesMismatch: maximumAreaAdresses in a received PDU %" PRIu8
" while the parameter for this IS is %u",
max_area_addrs, isis->max_area_addrs);
circuit->max_area_addr_mismatches++;
#ifndef FABRICD
/* send northbound notification */
isis_notif_max_area_addr_mismatch(circuit, max_area_addrs,

View File

@ -623,10 +623,70 @@ module frr-isisd {
"Adjacency state";
}
grouping event-counters {
container event-counters {
config false;
leaf adjacency-changes {
type uint32;
description
"The number of times an adjacency state change has
occurred on this interface.";
}
leaf adjacency-number {
type uint32;
description
"The number of adjacencies on this interface.";
}
leaf init-fails {
type uint32;
description
"The number of times initialization of this
interface has failed. This counts events such
as PPP NCP failures. Failures to form an
adjacency are counted by adjacency-rejects.";
}
leaf adjacency-rejects {
type uint32;
description
"The number of times an adjacency has been
rejected on this interface.";
}
leaf id-len-mismatch {
type uint32;
description
"The number of times an IS-IS PDU with an ID
field length different from that for this
system has been received on this interface.";
}
leaf max-area-addresses-mismatch {
type uint32;
description
"The number of times an IS-IS PDU has been
received on this interface with the
max area address field differing from that of
this system.";
}
leaf authentication-type-fails {
type uint32;
description
"Number of authentication type mismatches.";
}
leaf authentication-fails {
type uint32;
description
"Number of authentication key failures.";
}
description "IS-IS interface event counters.";
}
description
"Grouping for IS-IS interface event counters";
}
grouping interface-state {
description
"IS-IS interface operational state.";
uses adjacency-state;
uses event-counters;
}
grouping notification-instance-hdr {