Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* Copyright 2015 Freescale Semiconductor Inc. * Copyright 2018-2019 NXP */ #include <linux/module.h> #include <linux/debugfs.h> #include "dpaa2-eth.h" #include "dpaa2-eth-debugfs.h" #define DPAA2_ETH_DBG_ROOT "dpaa2-eth" static struct dentry *dpaa2_dbg_root; static int dpaa2_dbg_cpu_show(struct seq_file *file, void *offset) { struct dpaa2_eth_priv *priv = (struct dpaa2_eth_priv *)file->private; struct rtnl_link_stats64 *stats; struct dpaa2_eth_drv_stats *extras; int i; seq_printf(file, "Per-CPU stats for %s\n", priv->net_dev->name); seq_printf(file, "%s%16s%16s%16s%16s%16s%16s%16s%16s%16s\n", "CPU", "Rx", "Rx Err", "Rx SG", "Tx", "Tx Err", "Tx conf", "Tx SG", "Tx converted to SG", "Enq busy"); for_each_online_cpu(i) { stats = per_cpu_ptr(priv->percpu_stats, i); extras = per_cpu_ptr(priv->percpu_extras, i); seq_printf(file, "%3d%16llu%16llu%16llu%16llu%16llu%16llu%16llu%16llu%16llu\n", i, stats->rx_packets, stats->rx_errors, extras->rx_sg_frames, stats->tx_packets, stats->tx_errors, extras->tx_conf_frames, extras->tx_sg_frames, extras->tx_converted_sg_frames, extras->tx_portal_busy); } return 0; } DEFINE_SHOW_ATTRIBUTE(dpaa2_dbg_cpu); static char *fq_type_to_str(struct dpaa2_eth_fq *fq) { switch (fq->type) { case DPAA2_RX_FQ: return "Rx"; case DPAA2_TX_CONF_FQ: return "Tx conf"; default: return "N/A"; } } static int dpaa2_dbg_fqs_show(struct seq_file *file, void *offset) { struct dpaa2_eth_priv *priv = (struct dpaa2_eth_priv *)file->private; struct dpaa2_eth_fq *fq; u32 fcnt, bcnt; int i, err; seq_printf(file, "FQ stats for %s:\n", priv->net_dev->name); seq_printf(file, "%s%16s%16s%16s%16s%16s\n", "VFQID", "CPU", "TC", "Type", "Frames", "Pending frames"); for (i = 0; i < priv->num_fqs; i++) { fq = &priv->fq[i]; err = dpaa2_io_query_fq_count(NULL, fq->fqid, &fcnt, &bcnt); if (err) fcnt = 0; /* Skip FQs with no traffic */ if (!fq->stats.frames && !fcnt) continue; seq_printf(file, "%5d%16d%16d%16s%16llu%16u\n", fq->fqid, fq->target_cpu, fq->tc, fq_type_to_str(fq), fq->stats.frames, fcnt); } return 0; } DEFINE_SHOW_ATTRIBUTE(dpaa2_dbg_fqs); static int dpaa2_dbg_ch_show(struct seq_file *file, void *offset) { struct dpaa2_eth_priv *priv = (struct dpaa2_eth_priv *)file->private; struct dpaa2_eth_channel *ch; int i; seq_printf(file, "Channel stats for %s:\n", priv->net_dev->name); seq_printf(file, "%s%16s%16s%16s%16s%16s%16s\n", "CHID", "CPU", "Deq busy", "Frames", "CDANs", "Avg Frm/CDAN", "Buf count"); for (i = 0; i < priv->num_channels; i++) { ch = priv->channel[i]; seq_printf(file, "%4d%16d%16llu%16llu%16llu%16llu%16d\n", ch->ch_id, ch->nctx.desired_cpu, ch->stats.dequeue_portal_busy, ch->stats.frames, ch->stats.cdan, div64_u64(ch->stats.frames, ch->stats.cdan), ch->buf_count); } return 0; } DEFINE_SHOW_ATTRIBUTE(dpaa2_dbg_ch); void dpaa2_dbg_add(struct dpaa2_eth_priv *priv) { struct dentry *dir; /* Create a directory for the interface */ dir = debugfs_create_dir(priv->net_dev->name, dpaa2_dbg_root); priv->dbg.dir = dir; /* per-cpu stats file */ debugfs_create_file("cpu_stats", 0444, dir, priv, &dpaa2_dbg_cpu_fops); /* per-fq stats file */ debugfs_create_file("fq_stats", 0444, dir, priv, &dpaa2_dbg_fqs_fops); /* per-fq stats file */ debugfs_create_file("ch_stats", 0444, dir, priv, &dpaa2_dbg_ch_fops); } void dpaa2_dbg_remove(struct dpaa2_eth_priv *priv) { debugfs_remove_recursive(priv->dbg.dir); } void dpaa2_eth_dbg_init(void) { dpaa2_dbg_root = debugfs_create_dir(DPAA2_ETH_DBG_ROOT, NULL); pr_debug("DPAA2-ETH: debugfs created\n"); } void dpaa2_eth_dbg_exit(void) { debugfs_remove(dpaa2_dbg_root); } |