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isisd: implement the 'lsp-too-large' 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 15:03:24 +01:00
parent 9414b6f662
commit 56e22fb62c
3 changed files with 51 additions and 0 deletions
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44
isisd/isis_northbound.c
View File

@ -2466,6 +2466,25 @@ static void notif_prep_instance_hdr(const char *xpath,
listnode_add(args, data); listnode_add(args, data);
} }
static void notif_prepr_iface_hdr(const char *xpath,
const struct isis_circuit *circuit,
struct list *args)
{
char xpath_arg[XPATH_MAXLEN];
struct yang_data *data;
snprintf(xpath_arg, sizeof(xpath_arg), "%s/interface-name", xpath);
data = yang_data_new_string(xpath_arg, circuit->interface->name);
listnode_add(args, data);
snprintf(xpath_arg, sizeof(xpath_arg), "%s/interface-level", xpath);
data = yang_data_new_enum(xpath_arg, circuit->is_type);
listnode_add(args, data);
snprintf(xpath_arg, sizeof(xpath_arg), "%s/extended-circuit-id", xpath);
/* we do not seem to have the extended version of the circuit_id */
data = yang_data_new_uint32(xpath_arg, (uint32_t)circuit->circuit_id);
listnode_add(args, data);
}
/* /*
* XPath: * XPath:
* /frr-isisd:database-overload * /frr-isisd:database-overload
@ -2485,6 +2504,31 @@ void isis_notif_db_overload(const struct isis_area *area, bool overload)
nb_notification_send(xpath, arguments); nb_notification_send(xpath, arguments);
} }
/*
* XPath:
* /frr-isisd:lsp-too-large
*/
void isis_notif_lsp_too_large(const struct isis_circuit *circuit,
uint32_t pdu_size, const char *lsp_id)
{
const char *xpath = "/frr-isisd:lsp-too-large";
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-size", xpath);
data = yang_data_new_uint32(xpath_arg, pdu_size);
listnode_add(arguments, data);
snprintf(xpath_arg, sizeof(xpath_arg), "%s/lsp-id", xpath);
data = yang_data_new_string(xpath_arg, lsp_id);
listnode_add(arguments, data);
nb_notification_send(xpath, arguments);
}
/* clang-format off */ /* clang-format off */
const struct frr_yang_module_info frr_isisd_info = { const struct frr_yang_module_info frr_isisd_info = {
.name = "frr-isisd", .name = "frr-isisd",

5
isisd/isis_pdu.c
View File

@ -2238,6 +2238,11 @@ void send_lsp(struct isis_circuit *circuit, struct isis_lsp *lsp,
lsp->hdr.checksum, lsp->hdr.rem_lifetime, lsp->hdr.checksum, lsp->hdr.rem_lifetime,
circuit->interface->name, stream_get_endp(lsp->pdu), circuit->interface->name, stream_get_endp(lsp->pdu),
stream_get_size(circuit->snd_stream)); stream_get_size(circuit->snd_stream));
#ifndef FABRICD
/* send a northbound notification */
isis_notif_lsp_too_large(circuit, stream_get_endp(lsp->pdu),
rawlspid_print(lsp->hdr.lsp_id));
#endif /* ifndef FABRICD */
if (isis->debugs & DEBUG_PACKET_DUMP) if (isis->debugs & DEBUG_PACKET_DUMP)
zlog_dump_data(STREAM_DATA(lsp->pdu), zlog_dump_data(STREAM_DATA(lsp->pdu),
stream_get_endp(lsp->pdu)); stream_get_endp(lsp->pdu));

2
isisd/isisd.h
View File

@ -223,6 +223,8 @@ extern void isis_northbound_init(void);
/* YANG northbound notifications */ /* YANG northbound notifications */
extern void isis_notif_db_overload(const struct isis_area *area, bool overload); extern void isis_notif_db_overload(const struct isis_area *area, bool overload);
extern void isis_notif_lsp_too_large(const struct isis_circuit *circuit,
uint32_t pdu_size, const char *lsp_id);
/* Master of threads. */ /* Master of threads. */
extern struct thread_master *master; extern struct thread_master *master;