#include "ionic_bus.h"
#include "ionic_lif.h"
#include "ionic_ethtool.h"
+#include "ionic_stats.h"
+
+static const char ionic_priv_flags_strings[][ETH_GSTRING_LEN] = {
+#define PRIV_F_SW_DBG_STATS BIT(0)
+ "sw-dbg-stats",
+};
+#define PRIV_FLAGS_COUNT ARRAY_SIZE(ionic_priv_flags_strings)
+
+static void ionic_get_stats_strings(struct ionic_lif *lif, u8 *buf)
+{
+ u32 i;
+
+ for (i = 0; i < ionic_num_stats_grps; i++)
+ ionic_stats_groups[i].get_strings(lif, &buf);
+}
+
+static void ionic_get_stats(struct net_device *netdev,
+ struct ethtool_stats *stats, u64 *buf)
+{
+ struct ionic_lif *lif;
+ u32 i;
+
+ lif = netdev_priv(netdev);
+
+ memset(buf, 0, stats->n_stats * sizeof(*buf));
+ for (i = 0; i < ionic_num_stats_grps; i++)
+ ionic_stats_groups[i].get_values(lif, &buf);
+}
+
+static int ionic_get_stats_count(struct ionic_lif *lif)
+{
+ int i, num_stats = 0;
+
+ for (i = 0; i < ionic_num_stats_grps; i++)
+ num_stats += ionic_stats_groups[i].get_count(lif);
+
+ return num_stats;
+}
+
+static int ionic_get_sset_count(struct net_device *netdev, int sset)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ int count = 0;
+
+ switch (sset) {
+ case ETH_SS_STATS:
+ count = ionic_get_stats_count(lif);
+ break;
+ case ETH_SS_PRIV_FLAGS:
+ count = PRIV_FLAGS_COUNT;
+ break;
+ }
+ return count;
+}
+
+static void ionic_get_strings(struct net_device *netdev,
+ u32 sset, u8 *buf)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+
+ switch (sset) {
+ case ETH_SS_STATS:
+ ionic_get_stats_strings(lif, buf);
+ break;
+ case ETH_SS_PRIV_FLAGS:
+ memcpy(buf, ionic_priv_flags_strings,
+ PRIV_FLAGS_COUNT * ETH_GSTRING_LEN);
+ break;
+ }
+}
static void ionic_get_drvinfo(struct net_device *netdev,
struct ethtool_drvinfo *drvinfo)
return 0;
}
+static u32 ionic_get_priv_flags(struct net_device *netdev)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ u32 priv_flags = 0;
+
+ if (test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state))
+ priv_flags |= PRIV_F_SW_DBG_STATS;
+
+ return priv_flags;
+}
+
+static int ionic_set_priv_flags(struct net_device *netdev, u32 priv_flags)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ u32 flags = lif->flags;
+
+ clear_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state);
+ if (priv_flags & PRIV_F_SW_DBG_STATS)
+ set_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state);
+
+ if (flags != lif->flags)
+ lif->flags = flags;
+
+ return 0;
+}
+
static int ionic_get_module_info(struct net_device *netdev,
struct ethtool_modinfo *modinfo)
.set_ringparam = ionic_set_ringparam,
.get_channels = ionic_get_channels,
.set_channels = ionic_set_channels,
+ .get_strings = ionic_get_strings,
+ .get_ethtool_stats = ionic_get_stats,
+ .get_sset_count = ionic_get_sset_count,
+ .get_priv_flags = ionic_get_priv_flags,
+ .set_priv_flags = ionic_set_priv_flags,
.get_module_info = ionic_get_module_info,
.get_module_eeprom = ionic_get_module_eeprom,
.get_pauseparam = ionic_get_pauseparam,
--- /dev/null
+// 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_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_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_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;
+ 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++) {
+ txqcq = lif_to_txqcq(lif, q_num);
+
+ for (i = 0; i < IONIC_NUM_TX_STATS; i++) {
+ **buf = IONIC_READ_STAT64(&txqcq->stats->tx,
+ &ionic_tx_stats_desc[i]);
+ (*buf)++;
+ }
+
+ if (test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state)) {
+ 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 = txqcq->stats->tx.sg_cntr[i];
+ (*buf)++;
+ }
+ }
+ }
+
+ for (q_num = 0; q_num < MAX_Q(lif); q_num++) {
+ rxqcq = lif_to_rxqcq(lif, q_num);
+
+ for (i = 0; i < IONIC_NUM_RX_STATS; i++) {
+ **buf = IONIC_READ_STAT64(&rxqcq->stats->rx,
+ &ionic_rx_stats_desc[i]);
+ (*buf)++;
+ }
+
+ if (test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state)) {
+ 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);