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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 | // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later /* * Copyright 2008 - 2016 Freescale Semiconductor Inc. */ #include <linux/init.h> #include <linux/module.h> #include <linux/io.h> #include <linux/of_net.h> #include "dpaa_eth.h" #include "mac.h" static ssize_t dpaa_eth_show_addr(struct device *dev, struct device_attribute *attr, char *buf) { struct dpaa_priv *priv = netdev_priv(to_net_dev(dev)); struct mac_device *mac_dev = priv->mac_dev; if (mac_dev) return sprintf(buf, "%llx", (unsigned long long)mac_dev->res->start); else return sprintf(buf, "none"); } static ssize_t dpaa_eth_show_fqids(struct device *dev, struct device_attribute *attr, char *buf) { struct dpaa_priv *priv = netdev_priv(to_net_dev(dev)); struct dpaa_fq *prev = NULL; char *prevstr = NULL; struct dpaa_fq *tmp; struct dpaa_fq *fq; u32 first_fqid = 0; u32 last_fqid = 0; ssize_t bytes = 0; char *str; int i = 0; list_for_each_entry_safe(fq, tmp, &priv->dpaa_fq_list, list) { switch (fq->fq_type) { case FQ_TYPE_RX_DEFAULT: str = "Rx default"; break; case FQ_TYPE_RX_ERROR: str = "Rx error"; break; case FQ_TYPE_RX_PCD: str = "Rx PCD"; break; case FQ_TYPE_TX_CONFIRM: str = "Tx default confirmation"; break; case FQ_TYPE_TX_CONF_MQ: str = "Tx confirmation (mq)"; break; case FQ_TYPE_TX_ERROR: str = "Tx error"; break; case FQ_TYPE_TX: str = "Tx"; break; default: str = "Unknown"; } if (prev && (abs(fq->fqid - prev->fqid) != 1 || str != prevstr)) { if (last_fqid == first_fqid) bytes += sprintf(buf + bytes, "%s: %d\n", prevstr, prev->fqid); else bytes += sprintf(buf + bytes, "%s: %d - %d\n", prevstr, first_fqid, last_fqid); } if (prev && abs(fq->fqid - prev->fqid) == 1 && str == prevstr) { last_fqid = fq->fqid; } else { first_fqid = fq->fqid; last_fqid = fq->fqid; } prev = fq; prevstr = str; i++; } if (prev) { if (last_fqid == first_fqid) bytes += sprintf(buf + bytes, "%s: %d\n", prevstr, prev->fqid); else bytes += sprintf(buf + bytes, "%s: %d - %d\n", prevstr, first_fqid, last_fqid); } return bytes; } static ssize_t dpaa_eth_show_bpids(struct device *dev, struct device_attribute *attr, char *buf) { struct dpaa_priv *priv = netdev_priv(to_net_dev(dev)); ssize_t bytes = 0; bytes += snprintf(buf + bytes, PAGE_SIZE - bytes, "%u\n", priv->dpaa_bp->bpid); return bytes; } static struct device_attribute dpaa_eth_attrs[] = { __ATTR(device_addr, 0444, dpaa_eth_show_addr, NULL), __ATTR(fqids, 0444, dpaa_eth_show_fqids, NULL), __ATTR(bpids, 0444, dpaa_eth_show_bpids, NULL), }; void dpaa_eth_sysfs_init(struct device *dev) { int i; for (i = 0; i < ARRAY_SIZE(dpaa_eth_attrs); i++) if (device_create_file(dev, &dpaa_eth_attrs[i])) { dev_err(dev, "Error creating sysfs file\n"); while (i > 0) device_remove_file(dev, &dpaa_eth_attrs[--i]); return; } } void dpaa_eth_sysfs_remove(struct device *dev) { int i; for (i = 0; i < ARRAY_SIZE(dpaa_eth_attrs); i++) device_remove_file(dev, &dpaa_eth_attrs[i]); } |