From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 15F2AC4321A for ; Fri, 28 Jun 2019 21:40:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C1582208CB for ; Fri, 28 Jun 2019 21:40:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=pensando.io header.i=@pensando.io header.b="fwqtk1by" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726982AbfF1VkH (ORCPT ); Fri, 28 Jun 2019 17:40:07 -0400 Received: from mail-pg1-f194.google.com ([209.85.215.194]:42388 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726916AbfF1VkA (ORCPT ); Fri, 28 Jun 2019 17:40:00 -0400 Received: by mail-pg1-f194.google.com with SMTP id k13so3135639pgq.9 for ; Fri, 28 Jun 2019 14:40:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pensando.io; s=google; h=from:to:subject:date:message-id:in-reply-to:references; bh=Ieak5TSiLkFk8NdRoWjkC10rsdtoMwlKDgYVq7h6yRA=; b=fwqtk1byzvLj+eRhBVDSWttaO+nMBU3c2+mMFB7oj4T0poN08+Qzid4CHV+t5MYyF+ vAADj4506zd5a84wRZQHJyJAYy3CPTFTHBAOf7yBCwB1A34g+GhfVHdy001ZOMbkyc0/ Q0Mmfe59NofhBQZ+zkwu4CDNA7S98L8wyN9a9ecE9xLxswhcs0DWCe/io7mxmeDxoWEq /j697kEpfXxqXbw7oW3uyPdFttHTL1goqQIuBE/nK5Q9mrySSD3AtJLEmp04n7ONRbuL FqVGK9py3/7czaduMkke51eZ492AVa4363DEW/bALlgYl+HBM9x3keOwP+9v9c5oZRqC T0JQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references; bh=Ieak5TSiLkFk8NdRoWjkC10rsdtoMwlKDgYVq7h6yRA=; b=WNVvQ4eyWIRWYf+9cpK1wQTsAconScY1lsT2P+KBizyYrcRPy+62bWWi/lE5KgHokZ O7n++GOcdDFrpXmiA5vTJ1HcR1VJvqDoEHWRHa/3zLQ5ndrkLmuzVpx0wLkxaaPyYXt/ bUXDAK6Ihs0RGdZ9afijtxOK4S4kIvLt/T6OCvMTkviMtbZKhY/5k7+Hv2A1F3LuGc1R Hk7dI9MU/Aqi9qFtB/HXcNIzMuJx0TWzUZ4whR2nMuQTvh1GI4iqGJ8sVQxim9MJbzI+ dI7plq+rREH5FisZSJ81ZDfIDPvBE0kUtCWezsRGaoZS3f8KergwonO7zAI1PnoqTCM4 9IEQ== X-Gm-Message-State: APjAAAVJDFftGU4GtyVw6vcryyheoSG7HQZMtvQwiSU0EIW58BIKtUUZ LFBIckT149N+YxGTR6IVJBQ/mfW0Pcs= X-Google-Smtp-Source: APXvYqwpnI3Paru1H2b3W0hTKdNy8HchDj4tkvf4+78Mzkk5rehGYXgH21R9pXjr6W81Dbtr0f6m5w== X-Received: by 2002:a17:90a:8d86:: with SMTP id d6mr15032548pjo.127.1561757999627; Fri, 28 Jun 2019 14:39:59 -0700 (PDT) Received: from driver-dev1.pensando.io ([12.1.37.26]) by smtp.gmail.com with ESMTPSA id 135sm3516920pfb.137.2019.06.28.14.39.58 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 28 Jun 2019 14:39:59 -0700 (PDT) From: Shannon Nelson To: snelson@pensando.io, netdev@vger.kernel.org Subject: [PATCH v2 net-next 16/19] ionic: Add driver stats Date: Fri, 28 Jun 2019 14:39:31 -0700 Message-Id: <20190628213934.8810-17-snelson@pensando.io> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190628213934.8810-1-snelson@pensando.io> References: <20190628213934.8810-1-snelson@pensando.io> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org 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 --- drivers/net/ethernet/pensando/ionic/Makefile | 3 +- .../ethernet/pensando/ionic/ionic_ethtool.c | 109 ++++++ .../net/ethernet/pensando/ionic/ionic_lif.h | 14 + .../net/ethernet/pensando/ionic/ionic_stats.c | 333 ++++++++++++++++++ .../net/ethernet/pensando/ionic/ionic_stats.h | 53 +++ 5 files changed, 511 insertions(+), 1 deletion(-) create mode 100644 drivers/net/ethernet/pensando/ionic/ionic_stats.c create mode 100644 drivers/net/ethernet/pensando/ionic/ionic_stats.h diff --git a/drivers/net/ethernet/pensando/ionic/Makefile b/drivers/net/ethernet/pensando/ionic/Makefile index 0e2dc53f08d4..4f3cfbf36c23 100644 --- a/drivers/net/ethernet/pensando/ionic/Makefile +++ b/drivers/net/ethernet/pensando/ionic/Makefile @@ -4,4 +4,5 @@ obj-$(CONFIG_IONIC) := ionic.o ionic-y := ionic_main.o ionic_bus_pci.o ionic_dev.o ionic_ethtool.o \ - ionic_lif.o ionic_rx_filter.o ionic_txrx.o ionic_debugfs.o + ionic_lif.o ionic_rx_filter.o ionic_txrx.o ionic_debugfs.o \ + ionic_stats.o diff --git a/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c index 2bbe5819387b..518e79c90fca 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c @@ -8,6 +8,84 @@ #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 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 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 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 lif *lif = netdev_priv(netdev); + int count = 0; + + switch (sset) { + case ETH_SS_STATS: + count = ionic_get_stats_count(lif); + break; + case ETH_SS_TEST: + break; + case ETH_SS_PRIV_FLAGS: + count = PRIV_FLAGS_COUNT; + break; + default: + return -EOPNOTSUPP; + } + return count; +} + +static void ionic_get_strings(struct net_device *netdev, + u32 sset, u8 *buf) +{ + struct 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; + case ETH_SS_TEST: + // IONIC_TODO + default: + netdev_err(netdev, "Invalid sset %d\n", sset); + } +} static void ionic_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) @@ -406,6 +484,32 @@ static int ionic_set_channels(struct net_device *netdev, return 0; } +static u32 ionic_get_priv_flags(struct net_device *netdev) +{ + struct lif *lif = netdev_priv(netdev); + u32 priv_flags = 0; + + if (test_bit(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 lif *lif = netdev_priv(netdev); + u32 flags = lif->flags; + + clear_bit(LIF_SW_DEBUG_STATS, lif->state); + if (priv_flags & PRIV_F_SW_DBG_STATS) + set_bit(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) @@ -495,6 +599,11 @@ static const struct ethtool_ops ionic_ethtool_ops = { .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, diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.h b/drivers/net/ethernet/pensando/ionic/ionic_lif.h index 88d5bf8f58a1..f93bfa2b4393 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.h +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.h @@ -108,8 +108,22 @@ struct ionic_deferred { struct work_struct work; }; +struct lif_sw_stats { + u64 tx_packets; + u64 tx_bytes; + u64 rx_packets; + u64 rx_bytes; + u64 tx_tso; + u64 tx_no_csum; + u64 tx_csum; + u64 rx_csum_none; + u64 rx_csum_complete; + u64 rx_csum_error; +}; + enum lif_state_flags { LIF_INITED, + LIF_SW_DEBUG_STATS, LIF_UP, LIF_LINK_CHECK_NEEDED, LIF_QUEUE_RESET, diff --git a/drivers/net/ethernet/pensando/ionic/ionic_stats.c b/drivers/net/ethernet/pensando/ionic/ionic_stats.c new file mode 100644 index 000000000000..978a9f89804a --- /dev/null +++ b/drivers/net/ethernet/pensando/ionic/ionic_stats.c @@ -0,0 +1,333 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */ + +#include +#include +#include + +#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 lif *lif, struct lif_sw_stats *stats) +{ + struct tx_stats *tstats; + struct rx_stats *rstats; + struct qcq *txqcq; + struct 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 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(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_NUM_DBG_NAPI_STATS + + MAX_NUM_NAPI_CNTR + + 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 + + MAX_NUM_NAPI_CNTR); + } + + return total; +} + +static void ionic_sw_stats_get_strings(struct 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(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_NUM_DBG_NAPI_STATS; i++) { + snprintf(*buf, ETH_GSTRING_LEN, + "txq_%d_napi_%s", + q_num, + ionic_dbg_napi_stats_desc[i].name); + *buf += ETH_GSTRING_LEN; + } + for (i = 0; i < MAX_NUM_NAPI_CNTR; i++) { + snprintf(*buf, ETH_GSTRING_LEN, + "txq_%d_napi_work_done_%d", + q_num, i); + *buf += ETH_GSTRING_LEN; + } + for (i = 0; i < 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(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 < 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 lif *lif, u64 **buf) +{ + struct lif_sw_stats lif_stats; + struct 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(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_NUM_DBG_NAPI_STATS; i++) { + **buf = IONIC_READ_STAT64(&txqcq->napi_stats, + &ionic_dbg_napi_stats_desc[i]); + (*buf)++; + } + for (i = 0; i < MAX_NUM_NAPI_CNTR; i++) { + **buf = txqcq->napi_stats.work_done_cntr[i]; + (*buf)++; + } + for (i = 0; i < 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(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 < 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); diff --git a/drivers/net/ethernet/pensando/ionic/ionic_stats.h b/drivers/net/ethernet/pensando/ionic/ionic_stats.h new file mode 100644 index 000000000000..b5487e7fd4fb --- /dev/null +++ b/drivers/net/ethernet/pensando/ionic/ionic_stats.h @@ -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 lif_sw_stats, stat_name) + +#define IONIC_TX_STAT_DESC(stat_name) \ + IONIC_STAT_DESC(struct tx_stats, stat_name) + +#define IONIC_RX_STAT_DESC(stat_name) \ + IONIC_STAT_DESC(struct rx_stats, stat_name) + +#define IONIC_TX_Q_STAT_DESC(stat_name) \ + IONIC_STAT_DESC(struct queue, stat_name) + +#define IONIC_CQ_STAT_DESC(stat_name) \ + IONIC_STAT_DESC(struct cq, stat_name) + +#define IONIC_INTR_STAT_DESC(stat_name) \ + IONIC_STAT_DESC(struct intr, stat_name) + +#define IONIC_NAPI_STAT_DESC(stat_name) \ + IONIC_STAT_DESC(struct napi_stats, stat_name) + +/* Interface structure for a particalar stats group */ +struct ionic_stats_group_intf { + void (*get_strings)(struct lif *lif, u8 **buf); + void (*get_values)(struct lif *lif, u64 **buf); + u64 (*get_count)(struct 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_ -- 2.17.1