/* * Copyright 2008-2012 Freescale Semiconductor Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of Freescale Semiconductor nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * * ALTERNATIVELY, this software may be distributed under the terms of the * GNU General Public License ("GPL") as published by the Free Software * Foundation, either version 2 of that License or (at your option) any * later version. * * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include "dpaa_eth.h" #ifdef CONFIG_FSL_DPAA_1588 #include "dpaa_1588.h" #endif static ssize_t dpaa_eth_show_addr(struct device *dev, struct device_attribute *attr, char *buf) { struct dpa_priv_s *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 dpa_priv_s *priv = netdev_priv(to_net_dev(dev)); ssize_t bytes = 0; int i = 0; char *str; struct dpa_fq *fq; struct dpa_fq *tmp; struct dpa_fq *prev = NULL; u32 first_fqid = 0; u32 last_fqid = 0; char *prevstr = NULL; list_for_each_entry_safe(fq, tmp, &priv->dpa_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 confirmation"; break; case FQ_TYPE_TX_ERROR: str = "Tx error"; break; case FQ_TYPE_TX: str = "Tx"; break; #ifdef CONFIG_FSL_DPAA_TX_RECYCLE case FQ_TYPE_TX_RECYCLE: str = "Tx(recycling)"; break; #endif 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 = 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_dflt_bpid(struct device *dev, struct device_attribute *attr, char *buf) { ssize_t bytes = 0; struct dpa_priv_s *priv = netdev_priv(to_net_dev(dev)); struct dpa_bp *dpa_bp = priv->dpa_bp; if (priv->bp_count != 1) bytes += snprintf(buf, PAGE_SIZE, "-1\n"); else bytes += snprintf(buf, PAGE_SIZE, "%u\n", dpa_bp->bpid); return bytes; } static ssize_t dpaa_eth_show_mac_regs(struct device *dev, struct device_attribute *attr, char *buf) { struct dpa_priv_s *priv = netdev_priv(to_net_dev(dev)); struct mac_device *mac_dev = priv->mac_dev; if (mac_dev) fm_mac_dump_regs(mac_dev); else return sprintf(buf, "no mac registers\n"); return 0; } #ifdef CONFIG_FSL_DPAA_1588 static ssize_t dpaa_eth_show_ptp_1588(struct device *dev, struct device_attribute *attr, char *buf) { struct dpa_priv_s *priv = netdev_priv(to_net_dev(dev)); if (priv->tsu && priv->tsu->valid) return sprintf(buf, "1\n"); else return sprintf(buf, "0\n"); } static ssize_t dpaa_eth_set_ptp_1588(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct dpa_priv_s *priv = netdev_priv(to_net_dev(dev)); unsigned int num; unsigned long flags; if (kstrtouint(buf, 0, &num) < 0) return -EINVAL; local_irq_save(flags); if (num) { if (priv->tsu) priv->tsu->valid = TRUE; } else { if (priv->tsu) priv->tsu->valid = FALSE; } local_irq_restore(flags); return count; } #endif static struct device_attribute dpaa_eth_attrs[] = { __ATTR(device_addr, S_IRUGO, dpaa_eth_show_addr, NULL), __ATTR(fqids, S_IRUGO, dpaa_eth_show_fqids, NULL), __ATTR(dflt_bpid, S_IRUGO, dpaa_eth_show_dflt_bpid, NULL), __ATTR(mac_regs, S_IRUGO, dpaa_eth_show_mac_regs, NULL), #ifdef CONFIG_FSL_DPAA_1588 __ATTR(ptp_1588, S_IRUGO | S_IWUSR, dpaa_eth_show_ptp_1588, dpaa_eth_set_ptp_1588), #endif }; 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"); goto device_create_file_failed; } return; device_create_file_failed: while (i > 0) device_remove_file(dev, &dpaa_eth_attrs[--i]); } 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]); }