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// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */
#include <linux/kernel.h>
#include <linux/mutex.h>
#include <linux/netdevice.h>
#include "ionic.h"
#include "ionic_lif.h"
#include "ionic_stats.h"
static const struct ionic_stat_desc ionic_lif_stats_desc[] = {
IONIC_LIF_STAT_DESC(tx_packets),
IONIC_LIF_STAT_DESC(tx_bytes),
IONIC_LIF_STAT_DESC(rx_packets),
IONIC_LIF_STAT_DESC(rx_bytes),
IONIC_LIF_STAT_DESC(tx_tso),
IONIC_LIF_STAT_DESC(tx_no_csum),
IONIC_LIF_STAT_DESC(tx_csum),
IONIC_LIF_STAT_DESC(rx_csum_none),
IONIC_LIF_STAT_DESC(rx_csum_complete),
IONIC_LIF_STAT_DESC(rx_csum_error),
};
static const struct ionic_stat_desc ionic_tx_stats_desc[] = {
IONIC_TX_STAT_DESC(pkts),
IONIC_TX_STAT_DESC(bytes),
IONIC_TX_STAT_DESC(clean),
IONIC_TX_STAT_DESC(dma_map_err),
IONIC_TX_STAT_DESC(linearize),
IONIC_TX_STAT_DESC(frags),
};
static const struct ionic_stat_desc ionic_rx_stats_desc[] = {
IONIC_RX_STAT_DESC(pkts),
IONIC_RX_STAT_DESC(bytes),
IONIC_RX_STAT_DESC(dma_map_err),
IONIC_RX_STAT_DESC(alloc_err),
IONIC_RX_STAT_DESC(csum_none),
IONIC_RX_STAT_DESC(csum_complete),
IONIC_RX_STAT_DESC(csum_error),
};
static const struct ionic_stat_desc ionic_txq_stats_desc[] = {
IONIC_TX_Q_STAT_DESC(stop),
IONIC_TX_Q_STAT_DESC(wake),
IONIC_TX_Q_STAT_DESC(drop),
IONIC_TX_Q_STAT_DESC(dbell_count),
};
static const struct ionic_stat_desc ionic_dbg_cq_stats_desc[] = {
IONIC_CQ_STAT_DESC(compl_count),
};
static const struct ionic_stat_desc ionic_dbg_intr_stats_desc[] = {
IONIC_INTR_STAT_DESC(rearm_count),
};
static const struct ionic_stat_desc ionic_dbg_napi_stats_desc[] = {
IONIC_NAPI_STAT_DESC(poll_count),
};
#define IONIC_NUM_LIF_STATS ARRAY_SIZE(ionic_lif_stats_desc)
#define IONIC_NUM_TX_STATS ARRAY_SIZE(ionic_tx_stats_desc)
#define IONIC_NUM_RX_STATS ARRAY_SIZE(ionic_rx_stats_desc)
#define IONIC_NUM_TX_Q_STATS ARRAY_SIZE(ionic_txq_stats_desc)
#define IONIC_NUM_DBG_CQ_STATS ARRAY_SIZE(ionic_dbg_cq_stats_desc)
#define IONIC_NUM_DBG_INTR_STATS ARRAY_SIZE(ionic_dbg_intr_stats_desc)
#define IONIC_NUM_DBG_NAPI_STATS ARRAY_SIZE(ionic_dbg_napi_stats_desc)
#define MAX_Q(lif) ((lif)->netdev->real_num_tx_queues)
static void ionic_get_lif_stats(struct ionic_lif *lif,
struct ionic_lif_sw_stats *stats)
{
struct ionic_tx_stats *tstats;
struct ionic_rx_stats *rstats;
struct ionic_qcq *txqcq;
struct ionic_qcq *rxqcq;
int q_num;
memset(stats, 0, sizeof(*stats));
for (q_num = 0; q_num < MAX_Q(lif); q_num++) {
txqcq = lif_to_txqcq(lif, q_num);
if (txqcq && txqcq->stats) {
tstats = &txqcq->stats->tx;
stats->tx_packets += tstats->pkts;
stats->tx_bytes += tstats->bytes;
stats->tx_tso += tstats->tso;
stats->tx_no_csum += tstats->no_csum;
stats->tx_csum += tstats->csum;
}
rxqcq = lif_to_rxqcq(lif, q_num);
if (rxqcq && rxqcq->stats) {
rstats = &rxqcq->stats->rx;
stats->rx_packets += rstats->pkts;
stats->rx_bytes += rstats->bytes;
stats->rx_csum_none += rstats->csum_none;
stats->rx_csum_complete += rstats->csum_complete;
stats->rx_csum_error += rstats->csum_error;
}
}
}
static u64 ionic_sw_stats_get_count(struct ionic_lif *lif)
{
u64 total = 0;
/* lif stats */
total += IONIC_NUM_LIF_STATS;
/* tx stats */
total += MAX_Q(lif) * IONIC_NUM_TX_STATS;
/* rx stats */
total += MAX_Q(lif) * IONIC_NUM_RX_STATS;
if (test_bit(IONIC_LIF_UP, lif->state) &&
test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state)) {
/* tx debug stats */
total += MAX_Q(lif) * (IONIC_NUM_DBG_CQ_STATS +
IONIC_NUM_TX_Q_STATS +
IONIC_NUM_DBG_INTR_STATS +
IONIC_MAX_NUM_SG_CNTR);
/* rx debug stats */
total += MAX_Q(lif) * (IONIC_NUM_DBG_CQ_STATS +
IONIC_NUM_DBG_INTR_STATS +
IONIC_NUM_DBG_NAPI_STATS +
IONIC_MAX_NUM_NAPI_CNTR);
}
return total;
}
static void ionic_sw_stats_get_strings(struct ionic_lif *lif, u8 **buf)
{
int i, q_num;
for (i = 0; i < IONIC_NUM_LIF_STATS; i++) {
snprintf(*buf, ETH_GSTRING_LEN, ionic_lif_stats_desc[i].name);
*buf += ETH_GSTRING_LEN;
}
for (q_num = 0; q_num < MAX_Q(lif); q_num++) {
for (i = 0; i < IONIC_NUM_TX_STATS; i++) {
snprintf(*buf, ETH_GSTRING_LEN, "tx_%d_%s",
q_num, ionic_tx_stats_desc[i].name);
*buf += ETH_GSTRING_LEN;
}
if (test_bit(IONIC_LIF_UP, lif->state) &&
test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state)) {
for (i = 0; i < IONIC_NUM_TX_Q_STATS; i++) {
snprintf(*buf, ETH_GSTRING_LEN,
"txq_%d_%s",
q_num,
ionic_txq_stats_desc[i].name);
*buf += ETH_GSTRING_LEN;
}
for (i = 0; i < IONIC_NUM_DBG_CQ_STATS; i++) {
snprintf(*buf, ETH_GSTRING_LEN,
"txq_%d_cq_%s",
q_num,
ionic_dbg_cq_stats_desc[i].name);
*buf += ETH_GSTRING_LEN;
}
for (i = 0; i < IONIC_NUM_DBG_INTR_STATS; i++) {
snprintf(*buf, ETH_GSTRING_LEN,
"txq_%d_intr_%s",
q_num,
ionic_dbg_intr_stats_desc[i].name);
*buf += ETH_GSTRING_LEN;
}
for (i = 0; i < IONIC_MAX_NUM_SG_CNTR; i++) {
snprintf(*buf, ETH_GSTRING_LEN,
"txq_%d_sg_cntr_%d",
q_num, i);
*buf += ETH_GSTRING_LEN;
}
}
}
for (q_num = 0; q_num < MAX_Q(lif); q_num++) {
for (i = 0; i < IONIC_NUM_RX_STATS; i++) {
snprintf(*buf, ETH_GSTRING_LEN,
"rx_%d_%s",
q_num, ionic_rx_stats_desc[i].name);
*buf += ETH_GSTRING_LEN;
}
if (test_bit(IONIC_LIF_UP, lif->state) &&
test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state)) {
for (i = 0; i < IONIC_NUM_DBG_CQ_STATS; i++) {
snprintf(*buf, ETH_GSTRING_LEN,
"rxq_%d_cq_%s",
q_num,
ionic_dbg_cq_stats_desc[i].name);
*buf += ETH_GSTRING_LEN;
}
for (i = 0; i < IONIC_NUM_DBG_INTR_STATS; i++) {
snprintf(*buf, ETH_GSTRING_LEN,
"rxq_%d_intr_%s",
q_num,
ionic_dbg_intr_stats_desc[i].name);
*buf += ETH_GSTRING_LEN;
}
for (i = 0; i < IONIC_NUM_DBG_NAPI_STATS; i++) {
snprintf(*buf, ETH_GSTRING_LEN,
"rxq_%d_napi_%s",
q_num,
ionic_dbg_napi_stats_desc[i].name);
*buf += ETH_GSTRING_LEN;
}
for (i = 0; i < IONIC_MAX_NUM_NAPI_CNTR; i++) {
snprintf(*buf, ETH_GSTRING_LEN,
"rxq_%d_napi_work_done_%d",
q_num, i);
*buf += ETH_GSTRING_LEN;
}
}
}
}
static void ionic_sw_stats_get_values(struct ionic_lif *lif, u64 **buf)
{
struct ionic_lif_sw_stats lif_stats;
struct ionic_qcq *txqcq, *rxqcq;
struct ionic_tx_stats *txstats;
struct ionic_rx_stats *rxstats;
int i, q_num;
ionic_get_lif_stats(lif, &lif_stats);
for (i = 0; i < IONIC_NUM_LIF_STATS; i++) {
**buf = IONIC_READ_STAT64(&lif_stats, &ionic_lif_stats_desc[i]);
(*buf)++;
}
for (q_num = 0; q_num < MAX_Q(lif); q_num++) {
txstats = &lif_to_txstats(lif, q_num);
for (i = 0; i < IONIC_NUM_TX_STATS; i++) {
**buf = IONIC_READ_STAT64(txstats,
&ionic_tx_stats_desc[i]);
(*buf)++;
}
if (test_bit(IONIC_LIF_UP, lif->state) &&
test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state)) {
txqcq = lif_to_txqcq(lif, q_num);
for (i = 0; i < IONIC_NUM_TX_Q_STATS; i++) {
**buf = IONIC_READ_STAT64(&txqcq->q,
&ionic_txq_stats_desc[i]);
(*buf)++;
}
for (i = 0; i < IONIC_NUM_DBG_CQ_STATS; i++) {
**buf = IONIC_READ_STAT64(&txqcq->cq,
&ionic_dbg_cq_stats_desc[i]);
(*buf)++;
}
for (i = 0; i < IONIC_NUM_DBG_INTR_STATS; i++) {
**buf = IONIC_READ_STAT64(&txqcq->intr,
&ionic_dbg_intr_stats_desc[i]);
(*buf)++;
}
for (i = 0; i < IONIC_MAX_NUM_SG_CNTR; i++) {
**buf = txstats->sg_cntr[i];
(*buf)++;
}
}
}
for (q_num = 0; q_num < MAX_Q(lif); q_num++) {
rxstats = &lif_to_rxstats(lif, q_num);
for (i = 0; i < IONIC_NUM_RX_STATS; i++) {
**buf = IONIC_READ_STAT64(rxstats,
&ionic_rx_stats_desc[i]);
(*buf)++;
}
if (test_bit(IONIC_LIF_UP, lif->state) &&
test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state)) {
rxqcq = lif_to_rxqcq(lif, q_num);
for (i = 0; i < IONIC_NUM_DBG_CQ_STATS; i++) {
**buf = IONIC_READ_STAT64(&rxqcq->cq,
&ionic_dbg_cq_stats_desc[i]);
(*buf)++;
}
for (i = 0; i < IONIC_NUM_DBG_INTR_STATS; i++) {
**buf = IONIC_READ_STAT64(&rxqcq->intr,
&ionic_dbg_intr_stats_desc[i]);
(*buf)++;
}
for (i = 0; i < IONIC_NUM_DBG_NAPI_STATS; i++) {
**buf = IONIC_READ_STAT64(&rxqcq->napi_stats,
&ionic_dbg_napi_stats_desc[i]);
(*buf)++;
}
for (i = 0; i < IONIC_MAX_NUM_NAPI_CNTR; i++) {
**buf = rxqcq->napi_stats.work_done_cntr[i];
(*buf)++;
}
}
}
}
const struct ionic_stats_group_intf ionic_stats_groups[] = {
/* SW Stats group */
{
.get_strings = ionic_sw_stats_get_strings,
.get_values = ionic_sw_stats_get_values,
.get_count = ionic_sw_stats_get_count,
},
/* Add more stat groups here */
};
const int ionic_num_stats_grps = ARRAY_SIZE(ionic_stats_groups);
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