blob: a359ad588cb6d5181fc7a0a81ebae0a310189c6e [file] [log] [blame]
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* Copyright (C) Google, 2013
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/capability.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/netdevice.h>
#include "gbe/mvNeta.h"
#include "mv_netdev.h"
struct goog_net_attribute {
struct device_attribute dev_attr;
uint64_t val;
uint32_t mib;
uint32_t port;
#define GOOG_ATTR(_name, _portname, _show, _mib, _port) \
struct goog_net_attribute goog_attr_##_name##_##_portname = { \
.dev_attr = __ATTR(_name, S_IRUSR, _show, NULL), \
.mib= _mib, \
.port = _port, \
static ssize_t goog_get_stat(struct device *dev,
struct device_attribute *attr, char *buf)
MV_U32 reg_low, reg_high = 0;
uint64_t reg_val;
struct goog_net_attribute *goog_attr = container_of(attr, struct goog_net_attribute, dev_attr);
// These mib registers are clear on read.
reg_low = mvNetaMibCounterRead(goog_attr->port, 0, goog_attr->mib, &reg_high);
reg_val = ((uint64_t)reg_high) << 32 | (uint64_t)reg_low;
goog_attr->val += reg_val;
return sprintf(buf, "%llu\n", goog_attr->val);
// Stats for the UNI port.
static GOOG_ATTR(rx_good_packets, uni, goog_get_stat, ETH_MIB_GOOD_FRAMES_RECEIVED, 0);
static GOOG_ATTR(rx_bad_packets, uni, goog_get_stat, ETH_MIB_BAD_FRAMES_RECEIVED, 0);
static GOOG_ATTR(rx_broadcast_packets, uni, goog_get_stat, ETH_MIB_BROADCAST_FRAMES_RECEIVED, 0);
static GOOG_ATTR(rx_multicast_packets, uni, goog_get_stat, ETH_MIB_MULTICAST_FRAMES_RECEIVED, 0);
static GOOG_ATTR(tx_good_packets, uni, goog_get_stat, ETH_MIB_GOOD_FRAMES_SENT, 0);
static GOOG_ATTR(tx_broadcast_packets, uni, goog_get_stat, ETH_MIB_BROADCAST_FRAMES_SENT, 0);
static GOOG_ATTR(tx_multicast_packets, uni, goog_get_stat, ETH_MIB_MULTICAST_FRAMES_SENT, 0);
static struct attribute *goog_uni_attrs[] = {
static struct attribute_group goog_uni_stats = {
.name = "unistats",
.attrs = goog_uni_attrs,
// Stats for the ANI port.
static GOOG_ATTR(rx_good_packets, ani, goog_get_stat, ETH_MIB_GOOD_FRAMES_RECEIVED, MV_PON_PORT_ID);
static GOOG_ATTR(rx_bad_packets, ani, goog_get_stat, ETH_MIB_BAD_FRAMES_RECEIVED, MV_PON_PORT_ID);
static GOOG_ATTR(rx_broadcast_packets, ani, goog_get_stat, ETH_MIB_BROADCAST_FRAMES_RECEIVED, MV_PON_PORT_ID);
static GOOG_ATTR(rx_multicast_packets, ani, goog_get_stat, ETH_MIB_MULTICAST_FRAMES_RECEIVED, MV_PON_PORT_ID);
static GOOG_ATTR(tx_good_packets, ani, goog_get_stat, ETH_MIB_GOOD_FRAMES_SENT, MV_PON_PORT_ID);
static GOOG_ATTR(tx_broadcast_packets, ani, goog_get_stat, ETH_MIB_BROADCAST_FRAMES_SENT, MV_PON_PORT_ID);
static GOOG_ATTR(tx_multicast_packets, ani, goog_get_stat, ETH_MIB_MULTICAST_FRAMES_SENT, MV_PON_PORT_ID);
static struct attribute *goog_ani_attrs[] = {
static struct attribute_group goog_ani_stats = {
.name = "anistats",
.attrs = goog_ani_attrs,
int __devinit goog_eth_sysfs_init(void)
int err = 0;
struct device *pd = NULL;
pd = bus_find_device_by_name(&platform_bus_type, NULL, "neta");
if (!pd) {
platform_device_register_simple("neta", -1, NULL, 0);
pd = bus_find_device_by_name(&platform_bus_type, NULL, "neta");
if (!pd) {
printk(KERN_ERR"%s: cannot find neta device\n", __func__);
pd = &platform_bus;
err = sysfs_create_group(&pd->kobj, &goog_uni_stats);
if (err) {
printk(KERN_INFO "sysfs group failed %d\n", err);
goto out;
err = sysfs_create_group(&pd->kobj, &goog_ani_stats);
if (err) {
printk(KERN_INFO "sysfs group failed %d\n", err);
goto out;
return err;
MODULE_DESCRIPTION("Readable netstats for Marvell 6601.");