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isisd: implement the 'version-skew' notification

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Signed-off-by: Emanuele Di Pascale <emanuele@voltanet.io>
This commit is contained in:
Emanuele Di Pascale 2018-11-14 15:30:46 +01:00
parent e98d763376
commit 0532bd84ab
3 changed files with 35 additions and 0 deletions
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25
isisd/isis_northbound.c
View File

@ -2838,6 +2838,31 @@ void isis_notif_id_len_mismatch(const struct isis_circuit *circuit,
nb_notification_send(xpath, arguments);
}
/*
* XPath:
* /frr-isisd:version-skew
*/
void isis_notif_version_skew(const struct isis_circuit *circuit,
uint8_t version, const char *raw_pdu)
{
const char *xpath = "/frr-isisd:version-skew";
struct list *arguments = yang_data_list_new();
char xpath_arg[XPATH_MAXLEN];
struct yang_data *data;
struct isis_area *area = circuit->area;
notif_prep_instance_hdr(xpath, area, "default", arguments);
notif_prepr_iface_hdr(xpath, circuit, arguments);
snprintf(xpath_arg, sizeof(xpath_arg), "%s/protocol-version", xpath);
data = yang_data_new_uint8(xpath_arg, version);
listnode_add(arguments, data);
snprintf(xpath_arg, sizeof(xpath_arg), "%s/raw-pdu", xpath);
data = yang_data_new(xpath_arg, raw_pdu);
listnode_add(arguments, data);
nb_notification_send(xpath, arguments);
}
/* clang-format off */
const struct frr_yang_module_info frr_isisd_info = {
.name = "frr-isisd",

8
isisd/isis_pdu.c
View File

@ -1575,6 +1575,10 @@ int isis_handle_pdu(struct isis_circuit *circuit, uint8_t *ssnpa)
if (version1 != 1) {
zlog_warn("Unsupported ISIS version %" PRIu8, version1);
#ifndef FABRICD
/* send northbound notification */
isis_notif_version_skew(circuit, version1, raw_pdu);
#endif /* ifndef FABRICD */
return ISIS_WARNING;
}
@ -1614,6 +1618,10 @@ int isis_handle_pdu(struct isis_circuit *circuit, uint8_t *ssnpa)
if (version2 != 1) {
zlog_warn("Unsupported ISIS PDU version %" PRIu8, version2);
#ifndef FABRICD
/* send northbound notification */
isis_notif_version_skew(circuit, version2, raw_pdu);
#endif /* ifndef FABRICD */
return ISIS_WARNING;
}

2
isisd/isisd.h
View File

@ -254,6 +254,8 @@ extern void isis_notif_lsp_gen(const struct isis_area *area, const char *lsp_id,
uint32_t seqno, uint32_t timestamp);
extern void isis_notif_id_len_mismatch(const struct isis_circuit *circuit,
uint8_t rcv_id_len, const char *raw_pdu);
extern void isis_notif_version_skew(const struct isis_circuit *circuit,
uint8_t version, const char *raw_pdu);
/* Master of threads. */
extern struct thread_master *master;