4727bda6f2
Using only 1 descriptor on RX could be an issue, if system would be low on resources and could not provide driver with large chunks of contiguous memory. Submitted by: Michal Krawczyk <mk@semihalf.com> Reviewed by: byenduri_gmail.com Obtained from: Semihalf Sponsored by: Amazon, Inc. Differential Revision: https://reviews.freebsd.org/D12871
252 lines
9.1 KiB
C
252 lines
9.1 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) 2015-2017 Amazon.com, Inc. or its affiliates.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "ena_sysctl.h"
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static void ena_sysctl_add_wd(struct ena_adapter *);
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static void ena_sysctl_add_stats(struct ena_adapter *);
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void
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ena_sysctl_add_nodes(struct ena_adapter *adapter)
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{
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ena_sysctl_add_wd(adapter);
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ena_sysctl_add_stats(adapter);
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}
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static void
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ena_sysctl_add_wd(struct ena_adapter *adapter)
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{
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device_t dev;
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struct sysctl_ctx_list *ctx;
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struct sysctl_oid *tree;
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struct sysctl_oid_list *child;
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dev = adapter->pdev;
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ctx = device_get_sysctl_ctx(dev);
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tree = device_get_sysctl_tree(dev);
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child = SYSCTL_CHILDREN(tree);
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/* Sysctl calls for Watchdog service */
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SYSCTL_ADD_INT(ctx, child, OID_AUTO, "wd_active",
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CTLFLAG_RWTUN, &adapter->wd_active, 0,
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"Watchdog is active");
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SYSCTL_ADD_QUAD(ctx, child, OID_AUTO, "keep_alive_timeout",
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CTLFLAG_RWTUN, &adapter->keep_alive_timeout,
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"Timeout for Keep Alive messages");
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SYSCTL_ADD_QUAD(ctx, child, OID_AUTO, "missing_tx_timeout",
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CTLFLAG_RWTUN, &adapter->missing_tx_timeout,
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"Timeout for TX completion");
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SYSCTL_ADD_U32(ctx, child, OID_AUTO, "missing_tx_max_queues",
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CTLFLAG_RWTUN, &adapter->missing_tx_max_queues, 0,
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"Number of TX queues to check per run");
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SYSCTL_ADD_U32(ctx, child, OID_AUTO, "missing_tx_threshold",
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CTLFLAG_RWTUN, &adapter->missing_tx_threshold, 0,
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"Max number of timeouted packets");
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}
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static void
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ena_sysctl_add_stats(struct ena_adapter *adapter)
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{
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device_t dev;
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struct ena_ring *tx_ring;
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struct ena_ring *rx_ring;
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struct ena_hw_stats *hw_stats;
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struct ena_stats_dev *dev_stats;
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struct ena_stats_tx *tx_stats;
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struct ena_stats_rx *rx_stats;
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struct ena_com_stats_admin *admin_stats;
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struct sysctl_ctx_list *ctx;
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struct sysctl_oid *tree;
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struct sysctl_oid_list *child;
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struct sysctl_oid *queue_node, *tx_node, *rx_node, *hw_node;
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struct sysctl_oid *admin_node;
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struct sysctl_oid_list *queue_list, *tx_list, *rx_list, *hw_list;
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struct sysctl_oid_list *admin_list;
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#define QUEUE_NAME_LEN 32
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char namebuf[QUEUE_NAME_LEN];
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int i;
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dev = adapter->pdev;
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ctx = device_get_sysctl_ctx(dev);
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tree = device_get_sysctl_tree(dev);
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child = SYSCTL_CHILDREN(tree);
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tx_ring = adapter->tx_ring;
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rx_ring = adapter->rx_ring;
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hw_stats = &adapter->hw_stats;
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dev_stats = &adapter->dev_stats;
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admin_stats = &adapter->ena_dev->admin_queue.stats;
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SYSCTL_ADD_COUNTER_U64(ctx, child, OID_AUTO, "wd_expired",
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CTLFLAG_RD, &dev_stats->wd_expired,
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"Watchdog expiry count");
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SYSCTL_ADD_COUNTER_U64(ctx, child, OID_AUTO, "interface_up",
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CTLFLAG_RD, &dev_stats->interface_up,
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"Network interface up count");
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SYSCTL_ADD_COUNTER_U64(ctx, child, OID_AUTO, "interface_down",
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CTLFLAG_RD, &dev_stats->interface_down,
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"Network interface down count");
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SYSCTL_ADD_COUNTER_U64(ctx, child, OID_AUTO, "admin_q_pause",
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CTLFLAG_RD, &dev_stats->admin_q_pause,
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"Admin queue pauses");
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for (i = 0; i < adapter->num_queues; ++i, ++tx_ring, ++rx_ring) {
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snprintf(namebuf, QUEUE_NAME_LEN, "queue%d", i);
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queue_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO,
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namebuf, CTLFLAG_RD, NULL, "Queue Name");
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queue_list = SYSCTL_CHILDREN(queue_node);
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/* TX specific stats */
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tx_node = SYSCTL_ADD_NODE(ctx, queue_list, OID_AUTO,
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"tx_ring", CTLFLAG_RD, NULL, "TX ring");
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tx_list = SYSCTL_CHILDREN(tx_node);
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tx_stats = &tx_ring->tx_stats;
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SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
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"count", CTLFLAG_RD,
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&tx_stats->cnt, "Packets sent");
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SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
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"bytes", CTLFLAG_RD,
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&tx_stats->bytes, "Bytes sent");
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SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
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"prepare_ctx_err", CTLFLAG_RD,
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&tx_stats->prepare_ctx_err,
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"TX buffer preparation failures");
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SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
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"dma_mapping_err", CTLFLAG_RD,
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&tx_stats->dma_mapping_err, "DMA mapping failures");
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SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
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"doorbells", CTLFLAG_RD,
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&tx_stats->doorbells, "Queue doorbells");
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SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
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"missing_tx_comp", CTLFLAG_RD,
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&tx_stats->missing_tx_comp, "TX completions missed");
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SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
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"bad_req_id", CTLFLAG_RD,
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&tx_stats->bad_req_id, "Bad request id count");
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SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
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"mbuf_collapses", CTLFLAG_RD,
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&tx_stats->collapse,
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"Mbuf collapse count");
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SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
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"mbuf_collapse_err", CTLFLAG_RD,
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&tx_stats->collapse_err,
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"Mbuf collapse failures");
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/* RX specific stats */
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rx_node = SYSCTL_ADD_NODE(ctx, queue_list, OID_AUTO,
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"rx_ring", CTLFLAG_RD, NULL, "RX ring");
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rx_list = SYSCTL_CHILDREN(rx_node);
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rx_stats = &rx_ring->rx_stats;
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SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
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"count", CTLFLAG_RD,
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&rx_stats->cnt, "Packets received");
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SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
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"bytes", CTLFLAG_RD,
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&rx_stats->bytes, "Bytes received");
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SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
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"refil_partial", CTLFLAG_RD,
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&rx_stats->refil_partial, "Partial refilled mbufs");
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SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
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"bad_csum", CTLFLAG_RD,
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&rx_stats->bad_csum, "Bad RX checksum");
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SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
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"mbuf_alloc_fail", CTLFLAG_RD,
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&rx_stats->mbuf_alloc_fail, "Failed mbuf allocs");
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SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
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"mjum_alloc_fail", CTLFLAG_RD,
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&rx_stats->mjum_alloc_fail, "Failed jumbo mbuf allocs");
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SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
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"dma_mapping_err", CTLFLAG_RD,
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&rx_stats->dma_mapping_err, "DMA mapping errors");
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SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
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"bad_desc_num", CTLFLAG_RD,
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&rx_stats->bad_desc_num, "Bad descriptor count");
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SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
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"bad_req_id", CTLFLAG_RD,
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&rx_stats->bad_req_id, "Bad request id count");
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SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
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"empty_rx_ring", CTLFLAG_RD,
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&rx_stats->empty_rx_ring, "RX descriptors depletion count");
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}
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/* Stats read from device */
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hw_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "hw_stats",
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CTLFLAG_RD, NULL, "Statistics from hardware");
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hw_list = SYSCTL_CHILDREN(hw_node);
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SYSCTL_ADD_COUNTER_U64(ctx, hw_list, OID_AUTO, "rx_packets", CTLFLAG_RD,
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&hw_stats->rx_packets, "Packets received");
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SYSCTL_ADD_COUNTER_U64(ctx, hw_list, OID_AUTO, "tx_packets", CTLFLAG_RD,
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&hw_stats->tx_packets, "Packets transmitted");
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SYSCTL_ADD_COUNTER_U64(ctx, hw_list, OID_AUTO, "rx_bytes", CTLFLAG_RD,
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&hw_stats->rx_bytes, "Bytes received");
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SYSCTL_ADD_COUNTER_U64(ctx, hw_list, OID_AUTO, "tx_bytes", CTLFLAG_RD,
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&hw_stats->tx_bytes, "Bytes transmitted");
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SYSCTL_ADD_COUNTER_U64(ctx, hw_list, OID_AUTO, "rx_drops", CTLFLAG_RD,
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&hw_stats->rx_drops, "Receive packet drops");
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/* ENA Admin queue stats */
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admin_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "admin_stats",
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CTLFLAG_RD, NULL, "ENA Admin Queue statistics");
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admin_list = SYSCTL_CHILDREN(admin_node);
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SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "aborted_cmd", CTLFLAG_RD,
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&admin_stats->aborted_cmd, 0, "Aborted commands");
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SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "sumbitted_cmd", CTLFLAG_RD,
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&admin_stats->submitted_cmd, 0, "Submitted commands");
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SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "completed_cmd", CTLFLAG_RD,
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&admin_stats->completed_cmd, 0, "Completed commands");
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SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "out_of_space", CTLFLAG_RD,
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&admin_stats->out_of_space, 0, "Queue out of space");
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SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "no_completion", CTLFLAG_RD,
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&admin_stats->no_completion, 0, "Commands not completed");
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}
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