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isisd: implement the 'id-len-mismatch' 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 15:29:55 +01:00
parent 998011fa8b
commit e98d763376
3 changed files with 31 additions and 0 deletions
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25
isisd/isis_northbound.c
View File

@ -2813,6 +2813,31 @@ void isis_notif_lsp_gen(const struct isis_area *area, const char *lsp_id,
nb_notification_send(xpath, arguments);
}
/*
* XPath:
* /frr-isisd:id-len-mismatch
*/
void isis_notif_id_len_mismatch(const struct isis_circuit *circuit,
uint8_t rcv_id_len, const char *raw_pdu)
{
const char *xpath = "/frr-isisd:id-len-mismatch";
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/pdu-field-len", xpath);
data = yang_data_new_uint8(xpath_arg, rcv_id_len);
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",

4
isisd/isis_pdu.c
View File

@ -1584,6 +1584,10 @@ 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);
#ifndef FABRICD
/* send northbound notification */
isis_notif_id_len_mismatch(circuit, id_len, raw_pdu);
#endif /* ifndef FABRICD */
return ISIS_ERROR;
}

2
isisd/isisd.h
View File

@ -252,6 +252,8 @@ extern void isis_notif_lsp_received(const struct isis_circuit *circuit,
uint32_t timestamp, const char *sys_id);
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);
/* Master of threads. */
extern struct thread_master *master;