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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* IS-IS Routing protocol - isis_pdu_counter.c
* Copyright (C) 2018 Christian Franke, for NetDEF Inc.
*/
#include <zebra.h>
#include "vty.h"
#include "isisd/isisd.h"
#include "isisd/isis_circuit.h"
#include "isisd/isis_pdu.h"
#include "isisd/isis_pdu_counter.h"
static int pdu_type_to_counter_index(uint8_t pdu_type)
{
switch (pdu_type) {
case L1_LAN_HELLO:
return L1_LAN_HELLO_INDEX;
case L2_LAN_HELLO:
return L2_LAN_HELLO_INDEX;
case P2P_HELLO:
return P2P_HELLO_INDEX;
case L1_LINK_STATE:
return L1_LINK_STATE_INDEX;
case L2_LINK_STATE:
return L2_LINK_STATE_INDEX;
case FS_LINK_STATE:
return FS_LINK_STATE_INDEX;
case L1_COMPLETE_SEQ_NUM:
return L1_COMPLETE_SEQ_NUM_INDEX;
case L2_COMPLETE_SEQ_NUM:
return L2_COMPLETE_SEQ_NUM_INDEX;
case L1_PARTIAL_SEQ_NUM:
return L1_PARTIAL_SEQ_NUM_INDEX;
case L2_PARTIAL_SEQ_NUM:
return L2_PARTIAL_SEQ_NUM_INDEX;
default:
return -1;
}
}
static const char *pdu_counter_index_to_name(enum pdu_counter_index index)
{
switch (index) {
case L1_LAN_HELLO_INDEX:
return " L1 IIH";
case L2_LAN_HELLO_INDEX:
return " L2 IIH";
case P2P_HELLO_INDEX:
return "P2P IIH";
case L1_LINK_STATE_INDEX:
return " L1 LSP";
case L2_LINK_STATE_INDEX:
return " L2 LSP";
case FS_LINK_STATE_INDEX:
return " FS LSP";
case L1_COMPLETE_SEQ_NUM_INDEX:
return "L1 CSNP";
case L2_COMPLETE_SEQ_NUM_INDEX:
return "L2 CSNP";
case L1_PARTIAL_SEQ_NUM_INDEX:
return "L1 PSNP";
case L2_PARTIAL_SEQ_NUM_INDEX:
return "L2 PSNP";
case PDU_COUNTER_SIZE:
return "???????";
}
assert(!"Reached end of function where we were not expecting to");
}
void pdu_counter_count(pdu_counter_t counter, uint8_t pdu_type)
{
int index = pdu_type_to_counter_index(pdu_type);
if (index < 0)
return;
counter[index]++;
}
void pdu_counter_print(struct vty *vty, const char *prefix,
pdu_counter_t counter)
{
for (int i = 0; i < PDU_COUNTER_SIZE; i++) {
if (!counter[i])
continue;
vty_out(vty, "%s%s: %" PRIu64 "\n", prefix,
pdu_counter_index_to_name(i), counter[i]);
}
}
void pdu_counter_count_drop(struct isis_area *area, uint8_t pdu_type)
{
pdu_counter_count(area->pdu_drop_counters, pdu_type);
if (area->log_pdu_drops) {
isis_log_pdu_drops(
area, pdu_counter_index_to_name(
pdu_type_to_counter_index(pdu_type)));
}
}
uint64_t pdu_counter_get_count(pdu_counter_t counter, uint8_t pdu_type)
{
int index = pdu_type_to_counter_index(pdu_type);
if (index < 0)
return -1;
return counter[index];
}
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