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// 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;
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;
}
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]);
}
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