mirror of https://gitee.com/openkylin/linux.git
ionic: Add driver stats
Add in the detailed statistics for ethtool -S that the driver keeps as it processes packets. Display of the additional debug statistics can be enabled through the ethtool priv-flags feature. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shannon Nelson
David S. Miller
parent
1a371ea1b7
commit
e470355bd9
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@ -5,4 +5,4 @@ obj-$(CONFIG_IONIC) := ionic.o
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ionic-y := ionic_main.o ionic_bus_pci.o ionic_devlink.o ionic_dev.o \
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ionic_debugfs.o ionic_lif.o ionic_rx_filter.o ionic_ethtool.o \
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ionic_txrx.o
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ionic_txrx.o ionic_stats.o
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@ -8,6 +8,76 @@
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#include "ionic_bus.h"
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#include "ionic_lif.h"
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#include "ionic_ethtool.h"
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#include "ionic_stats.h"
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static const char ionic_priv_flags_strings[][ETH_GSTRING_LEN] = {
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#define PRIV_F_SW_DBG_STATS BIT(0)
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"sw-dbg-stats",
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};
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#define PRIV_FLAGS_COUNT ARRAY_SIZE(ionic_priv_flags_strings)
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static void ionic_get_stats_strings(struct ionic_lif *lif, u8 *buf)
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{
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u32 i;
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for (i = 0; i < ionic_num_stats_grps; i++)
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ionic_stats_groups[i].get_strings(lif, &buf);
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}
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static void ionic_get_stats(struct net_device *netdev,
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struct ethtool_stats *stats, u64 *buf)
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{
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struct ionic_lif *lif;
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u32 i;
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lif = netdev_priv(netdev);
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memset(buf, 0, stats->n_stats * sizeof(*buf));
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for (i = 0; i < ionic_num_stats_grps; i++)
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ionic_stats_groups[i].get_values(lif, &buf);
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}
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static int ionic_get_stats_count(struct ionic_lif *lif)
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{
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int i, num_stats = 0;
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for (i = 0; i < ionic_num_stats_grps; i++)
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num_stats += ionic_stats_groups[i].get_count(lif);
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return num_stats;
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}
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static int ionic_get_sset_count(struct net_device *netdev, int sset)
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{
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struct ionic_lif *lif = netdev_priv(netdev);
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int count = 0;
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switch (sset) {
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case ETH_SS_STATS:
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count = ionic_get_stats_count(lif);
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break;
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case ETH_SS_PRIV_FLAGS:
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count = PRIV_FLAGS_COUNT;
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break;
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}
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return count;
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}
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static void ionic_get_strings(struct net_device *netdev,
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u32 sset, u8 *buf)
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{
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struct ionic_lif *lif = netdev_priv(netdev);
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switch (sset) {
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case ETH_SS_STATS:
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ionic_get_stats_strings(lif, buf);
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break;
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case ETH_SS_PRIV_FLAGS:
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memcpy(buf, ionic_priv_flags_strings,
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PRIV_FLAGS_COUNT * ETH_GSTRING_LEN);
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break;
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}
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}
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static void ionic_get_drvinfo(struct net_device *netdev,
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struct ethtool_drvinfo *drvinfo)
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@ -386,6 +456,32 @@ static int ionic_set_channels(struct net_device *netdev,
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return 0;
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}
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static u32 ionic_get_priv_flags(struct net_device *netdev)
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{
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struct ionic_lif *lif = netdev_priv(netdev);
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u32 priv_flags = 0;
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if (test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state))
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priv_flags |= PRIV_F_SW_DBG_STATS;
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return priv_flags;
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}
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static int ionic_set_priv_flags(struct net_device *netdev, u32 priv_flags)
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{
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struct ionic_lif *lif = netdev_priv(netdev);
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u32 flags = lif->flags;
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clear_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state);
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if (priv_flags & PRIV_F_SW_DBG_STATS)
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set_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state);
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if (flags != lif->flags)
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lif->flags = flags;
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return 0;
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}
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static int ionic_get_module_info(struct net_device *netdev,
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struct ethtool_modinfo *modinfo)
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@ -483,6 +579,11 @@ static const struct ethtool_ops ionic_ethtool_ops = {
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.set_ringparam = ionic_set_ringparam,
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.get_channels = ionic_get_channels,
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.set_channels = ionic_set_channels,
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.get_strings = ionic_get_strings,
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.get_ethtool_stats = ionic_get_stats,
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.get_sset_count = ionic_get_sset_count,
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.get_priv_flags = ionic_get_priv_flags,
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.set_priv_flags = ionic_set_priv_flags,
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.get_module_info = ionic_get_module_info,
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.get_module_eeprom = ionic_get_module_eeprom,
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.get_pauseparam = ionic_get_pauseparam,
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@ -12,7 +12,7 @@
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#define IONIC_MAX_NUM_NAPI_CNTR (NAPI_POLL_WEIGHT + 1)
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#define IONIC_MAX_NUM_SG_CNTR (IONIC_TX_MAX_SG_ELEMS + 1)
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#define IONIC_RX_COPYBREAK_DEFAULT 256
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#define IONIC_RX_COPYBREAK_DEFAULT 256
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struct ionic_tx_stats {
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u64 dma_map_err;
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@ -106,8 +106,22 @@ struct ionic_deferred {
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struct work_struct work;
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};
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struct ionic_lif_sw_stats {
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u64 tx_packets;
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u64 tx_bytes;
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u64 rx_packets;
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u64 rx_bytes;
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u64 tx_tso;
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u64 tx_no_csum;
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u64 tx_csum;
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u64 rx_csum_none;
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u64 rx_csum_complete;
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u64 rx_csum_error;
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};
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enum ionic_lif_state_flags {
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IONIC_LIF_INITED,
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IONIC_LIF_SW_DEBUG_STATS,
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IONIC_LIF_UP,
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IONIC_LIF_LINK_CHECK_REQUESTED,
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IONIC_LIF_QUEUE_RESET,
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@ -0,0 +1,310 @@
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// SPDX-License-Identifier: GPL-2.0
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/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */
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#include <linux/kernel.h>
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#include <linux/mutex.h>
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#include <linux/netdevice.h>
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#include "ionic.h"
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#include "ionic_lif.h"
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#include "ionic_stats.h"
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static const struct ionic_stat_desc ionic_lif_stats_desc[] = {
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IONIC_LIF_STAT_DESC(tx_packets),
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IONIC_LIF_STAT_DESC(tx_bytes),
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IONIC_LIF_STAT_DESC(rx_packets),
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IONIC_LIF_STAT_DESC(rx_bytes),
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IONIC_LIF_STAT_DESC(tx_tso),
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IONIC_LIF_STAT_DESC(tx_no_csum),
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IONIC_LIF_STAT_DESC(tx_csum),
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IONIC_LIF_STAT_DESC(rx_csum_none),
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IONIC_LIF_STAT_DESC(rx_csum_complete),
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IONIC_LIF_STAT_DESC(rx_csum_error),
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};
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static const struct ionic_stat_desc ionic_tx_stats_desc[] = {
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IONIC_TX_STAT_DESC(pkts),
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IONIC_TX_STAT_DESC(bytes),
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IONIC_TX_STAT_DESC(clean),
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IONIC_TX_STAT_DESC(dma_map_err),
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IONIC_TX_STAT_DESC(linearize),
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IONIC_TX_STAT_DESC(frags),
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};
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static const struct ionic_stat_desc ionic_rx_stats_desc[] = {
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IONIC_RX_STAT_DESC(pkts),
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IONIC_RX_STAT_DESC(bytes),
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IONIC_RX_STAT_DESC(dma_map_err),
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IONIC_RX_STAT_DESC(alloc_err),
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IONIC_RX_STAT_DESC(csum_none),
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IONIC_RX_STAT_DESC(csum_complete),
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IONIC_RX_STAT_DESC(csum_error),
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};
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static const struct ionic_stat_desc ionic_txq_stats_desc[] = {
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IONIC_TX_Q_STAT_DESC(stop),
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IONIC_TX_Q_STAT_DESC(wake),
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IONIC_TX_Q_STAT_DESC(drop),
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IONIC_TX_Q_STAT_DESC(dbell_count),
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};
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static const struct ionic_stat_desc ionic_dbg_cq_stats_desc[] = {
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IONIC_CQ_STAT_DESC(compl_count),
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};
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static const struct ionic_stat_desc ionic_dbg_intr_stats_desc[] = {
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IONIC_INTR_STAT_DESC(rearm_count),
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};
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static const struct ionic_stat_desc ionic_dbg_napi_stats_desc[] = {
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IONIC_NAPI_STAT_DESC(poll_count),
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};
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#define IONIC_NUM_LIF_STATS ARRAY_SIZE(ionic_lif_stats_desc)
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#define IONIC_NUM_TX_STATS ARRAY_SIZE(ionic_tx_stats_desc)
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#define IONIC_NUM_RX_STATS ARRAY_SIZE(ionic_rx_stats_desc)
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#define IONIC_NUM_TX_Q_STATS ARRAY_SIZE(ionic_txq_stats_desc)
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#define IONIC_NUM_DBG_CQ_STATS ARRAY_SIZE(ionic_dbg_cq_stats_desc)
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#define IONIC_NUM_DBG_INTR_STATS ARRAY_SIZE(ionic_dbg_intr_stats_desc)
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#define IONIC_NUM_DBG_NAPI_STATS ARRAY_SIZE(ionic_dbg_napi_stats_desc)
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#define MAX_Q(lif) ((lif)->netdev->real_num_tx_queues)
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static void ionic_get_lif_stats(struct ionic_lif *lif,
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struct ionic_lif_sw_stats *stats)
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{
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struct ionic_tx_stats *tstats;
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struct ionic_rx_stats *rstats;
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struct ionic_qcq *txqcq;
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struct ionic_qcq *rxqcq;
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int q_num;
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memset(stats, 0, sizeof(*stats));
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for (q_num = 0; q_num < MAX_Q(lif); q_num++) {
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txqcq = lif_to_txqcq(lif, q_num);
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if (txqcq && txqcq->stats) {
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tstats = &txqcq->stats->tx;
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stats->tx_packets += tstats->pkts;
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stats->tx_bytes += tstats->bytes;
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stats->tx_tso += tstats->tso;
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stats->tx_no_csum += tstats->no_csum;
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stats->tx_csum += tstats->csum;
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}
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rxqcq = lif_to_rxqcq(lif, q_num);
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if (rxqcq && rxqcq->stats) {
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rstats = &rxqcq->stats->rx;
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stats->rx_packets += rstats->pkts;
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stats->rx_bytes += rstats->bytes;
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stats->rx_csum_none += rstats->csum_none;
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stats->rx_csum_complete += rstats->csum_complete;
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stats->rx_csum_error += rstats->csum_error;
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}
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}
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}
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static u64 ionic_sw_stats_get_count(struct ionic_lif *lif)
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{
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u64 total = 0;
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/* lif stats */
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total += IONIC_NUM_LIF_STATS;
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/* tx stats */
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total += MAX_Q(lif) * IONIC_NUM_TX_STATS;
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/* rx stats */
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total += MAX_Q(lif) * IONIC_NUM_RX_STATS;
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if (test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state)) {
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/* tx debug stats */
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total += MAX_Q(lif) * (IONIC_NUM_DBG_CQ_STATS +
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IONIC_NUM_TX_Q_STATS +
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IONIC_NUM_DBG_INTR_STATS +
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IONIC_MAX_NUM_SG_CNTR);
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/* rx debug stats */
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total += MAX_Q(lif) * (IONIC_NUM_DBG_CQ_STATS +
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IONIC_NUM_DBG_INTR_STATS +
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IONIC_NUM_DBG_NAPI_STATS +
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IONIC_MAX_NUM_NAPI_CNTR);
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}
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return total;
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}
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static void ionic_sw_stats_get_strings(struct ionic_lif *lif, u8 **buf)
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{
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int i, q_num;
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for (i = 0; i < IONIC_NUM_LIF_STATS; i++) {
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snprintf(*buf, ETH_GSTRING_LEN, ionic_lif_stats_desc[i].name);
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*buf += ETH_GSTRING_LEN;
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}
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for (q_num = 0; q_num < MAX_Q(lif); q_num++) {
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for (i = 0; i < IONIC_NUM_TX_STATS; i++) {
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snprintf(*buf, ETH_GSTRING_LEN, "tx_%d_%s",
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q_num, ionic_tx_stats_desc[i].name);
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*buf += ETH_GSTRING_LEN;
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}
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if (test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state)) {
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for (i = 0; i < IONIC_NUM_TX_Q_STATS; i++) {
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snprintf(*buf, ETH_GSTRING_LEN,
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"txq_%d_%s",
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q_num,
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ionic_txq_stats_desc[i].name);
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*buf += ETH_GSTRING_LEN;
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}
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for (i = 0; i < IONIC_NUM_DBG_CQ_STATS; i++) {
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snprintf(*buf, ETH_GSTRING_LEN,
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"txq_%d_cq_%s",
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q_num,
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ionic_dbg_cq_stats_desc[i].name);
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*buf += ETH_GSTRING_LEN;
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}
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for (i = 0; i < IONIC_NUM_DBG_INTR_STATS; i++) {
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snprintf(*buf, ETH_GSTRING_LEN,
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"txq_%d_intr_%s",
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q_num,
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ionic_dbg_intr_stats_desc[i].name);
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*buf += ETH_GSTRING_LEN;
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}
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for (i = 0; i < IONIC_MAX_NUM_SG_CNTR; i++) {
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snprintf(*buf, ETH_GSTRING_LEN,
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"txq_%d_sg_cntr_%d",
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q_num, i);
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*buf += ETH_GSTRING_LEN;
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}
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}
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}
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for (q_num = 0; q_num < MAX_Q(lif); q_num++) {
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for (i = 0; i < IONIC_NUM_RX_STATS; i++) {
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snprintf(*buf, ETH_GSTRING_LEN,
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"rx_%d_%s",
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q_num, ionic_rx_stats_desc[i].name);
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*buf += ETH_GSTRING_LEN;
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}
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if (test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state)) {
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for (i = 0; i < IONIC_NUM_DBG_CQ_STATS; i++) {
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snprintf(*buf, ETH_GSTRING_LEN,
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"rxq_%d_cq_%s",
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q_num,
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ionic_dbg_cq_stats_desc[i].name);
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*buf += ETH_GSTRING_LEN;
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}
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for (i = 0; i < IONIC_NUM_DBG_INTR_STATS; i++) {
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snprintf(*buf, ETH_GSTRING_LEN,
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"rxq_%d_intr_%s",
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q_num,
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ionic_dbg_intr_stats_desc[i].name);
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*buf += ETH_GSTRING_LEN;
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}
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for (i = 0; i < IONIC_NUM_DBG_NAPI_STATS; i++) {
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snprintf(*buf, ETH_GSTRING_LEN,
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"rxq_%d_napi_%s",
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q_num,
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ionic_dbg_napi_stats_desc[i].name);
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*buf += ETH_GSTRING_LEN;
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}
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for (i = 0; i < IONIC_MAX_NUM_NAPI_CNTR; i++) {
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snprintf(*buf, ETH_GSTRING_LEN,
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"rxq_%d_napi_work_done_%d",
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q_num, i);
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*buf += ETH_GSTRING_LEN;
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}
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}
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}
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}
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static void ionic_sw_stats_get_values(struct ionic_lif *lif, u64 **buf)
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{
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struct ionic_lif_sw_stats lif_stats;
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struct ionic_qcq *txqcq, *rxqcq;
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int i, q_num;
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ionic_get_lif_stats(lif, &lif_stats);
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for (i = 0; i < IONIC_NUM_LIF_STATS; i++) {
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**buf = IONIC_READ_STAT64(&lif_stats, &ionic_lif_stats_desc[i]);
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(*buf)++;
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}
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for (q_num = 0; q_num < MAX_Q(lif); q_num++) {
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txqcq = lif_to_txqcq(lif, q_num);
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for (i = 0; i < IONIC_NUM_TX_STATS; i++) {
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**buf = IONIC_READ_STAT64(&txqcq->stats->tx,
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&ionic_tx_stats_desc[i]);
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(*buf)++;
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}
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if (test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state)) {
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for (i = 0; i < IONIC_NUM_TX_Q_STATS; i++) {
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**buf = IONIC_READ_STAT64(&txqcq->q,
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&ionic_txq_stats_desc[i]);
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(*buf)++;
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}
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for (i = 0; i < IONIC_NUM_DBG_CQ_STATS; i++) {
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**buf = IONIC_READ_STAT64(&txqcq->cq,
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&ionic_dbg_cq_stats_desc[i]);
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(*buf)++;
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}
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for (i = 0; i < IONIC_NUM_DBG_INTR_STATS; i++) {
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**buf = IONIC_READ_STAT64(&txqcq->intr,
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&ionic_dbg_intr_stats_desc[i]);
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(*buf)++;
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}
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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);
|
||||
|
|
@ -0,0 +1,53 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0 */
|
||||
/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */
|
||||
|
||||
#ifndef _IONIC_STATS_H_
|
||||
#define _IONIC_STATS_H_
|
||||
|
||||
#define IONIC_STAT_TO_OFFSET(type, stat_name) (offsetof(type, stat_name))
|
||||
|
||||
#define IONIC_STAT_DESC(type, stat_name) { \
|
||||
.name = #stat_name, \
|
||||
.offset = IONIC_STAT_TO_OFFSET(type, stat_name) \
|
||||
}
|
||||
|
||||
#define IONIC_LIF_STAT_DESC(stat_name) \
|
||||
IONIC_STAT_DESC(struct ionic_lif_sw_stats, stat_name)
|
||||
|
||||
#define IONIC_TX_STAT_DESC(stat_name) \
|
||||
IONIC_STAT_DESC(struct ionic_tx_stats, stat_name)
|
||||
|
||||
#define IONIC_RX_STAT_DESC(stat_name) \
|
||||
IONIC_STAT_DESC(struct ionic_rx_stats, stat_name)
|
||||
|
||||
#define IONIC_TX_Q_STAT_DESC(stat_name) \
|
||||
IONIC_STAT_DESC(struct ionic_queue, stat_name)
|
||||
|
||||
#define IONIC_CQ_STAT_DESC(stat_name) \
|
||||
IONIC_STAT_DESC(struct ionic_cq, stat_name)
|
||||
|
||||
#define IONIC_INTR_STAT_DESC(stat_name) \
|
||||
IONIC_STAT_DESC(struct ionic_intr_info, stat_name)
|
||||
|
||||
#define IONIC_NAPI_STAT_DESC(stat_name) \
|
||||
IONIC_STAT_DESC(struct ionic_napi_stats, stat_name)
|
||||
|
||||
/* Interface structure for a particalar stats group */
|
||||
struct ionic_stats_group_intf {
|
||||
void (*get_strings)(struct ionic_lif *lif, u8 **buf);
|
||||
void (*get_values)(struct ionic_lif *lif, u64 **buf);
|
||||
u64 (*get_count)(struct ionic_lif *lif);
|
||||
};
|
||||
|
||||
extern const struct ionic_stats_group_intf ionic_stats_groups[];
|
||||
extern const int ionic_num_stats_grps;
|
||||
|
||||
#define IONIC_READ_STAT64(base_ptr, desc_ptr) \
|
||||
(*((u64 *)(((u8 *)(base_ptr)) + (desc_ptr)->offset)))
|
||||
|
||||
struct ionic_stat_desc {
|
||||
char name[ETH_GSTRING_LEN];
|
||||
u64 offset;
|
||||
};
|
||||
|
||||
#endif /* _IONIC_STATS_H_ */
|
||||
Loading…
Reference in New Issue