/*
*
* linux/drivers/s390/net/qeth_fs.c ($Revision: 1.13 $)
*
* Linux on zSeries OSA Express and HiperSockets support
* This file contains code related to procfs.
*
* Copyright 2000,2003 IBM Corporation
*
* Author(s): Thomas Spatzier <tspat@de.ibm.com>
*
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/list.h>
#include <linux/rwsem.h>
#include "qeth.h"
#include "qeth_mpc.h"
#include "qeth_fs.h"
const char *VERSION_QETH_PROC_C = "$Revision: 1.13 $";
/***** /proc/qeth *****/
#define QETH_PROCFILE_NAME "qeth"
static struct proc_dir_entry *qeth_procfile;
static void *
qeth_procfile_seq_start(struct seq_file *s, loff_t *offset)
{
struct list_head *next_card = NULL;
int i = 0;
down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
if (*offset == 0)
return SEQ_START_TOKEN;
/* get card at pos *offset */
list_for_each(next_card, &qeth_ccwgroup_driver.driver.devices)
if (++i == *offset)
return next_card;
return NULL;
}
static void
qeth_procfile_seq_stop(struct seq_file *s, void* it)
{
up_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
}
static void *
qeth_procfile_seq_next(struct seq_file *s, void *it, loff_t *offset)
{
struct list_head *next_card = NULL;
struct list_head *current_card;
if (it == SEQ_START_TOKEN) {
next_card = qeth_ccwgroup_driver.driver.devices.next;
if (next_card->next == next_card) /* list empty */
return NULL;
(*offset)++;
} else {
current_card = (struct list_head *)it;
if (current_card->next == &qeth_ccwgroup_driver.driver.devices)
return NULL; /* end of list reached */
next_card = current_card->next;
(*offset)++;
}
return next_card;
}
static inline const char *
qeth_get_router_str(struct qeth_card *card, int ipv)
{
int routing_type = 0;
if (ipv == 4){
routing_type = card->options.route4.type;
} else {
#ifdef CONFIG_QETH_IPV6
routing_type = card->options.route6.type;
#else
return "n/a";
#endif /* CONFIG_QETH_IPV6 */
}
if (routing_type == PRIMARY_ROUTER)
return "pri";
else if (routing_type == SECONDARY_ROUTER)
return "sec";
else if (routing_type == MULTICAST_ROUTER) {
if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
return "mc+";
return "mc";
} else if (routing_type == PRIMARY_CONNECTOR) {
if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
return "p+c";
return "p.c";
} else if (routing_type == SECONDARY_CONNECTOR) {
if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
return "s+c";
return "s.c";
} else if (routing_type == NO_ROUTER)
return "no";
else
return "unk";
}
static int
qeth_procfile_seq_show(struct seq_file *s, void *it)
{
struct device *device;
struct qeth_card *card;
char tmp[12]; /* for qeth_get_prioq_str */
if (it == SEQ_START_TOKEN){
seq_printf(s, "devices CHPID interface "
"cardtype port chksum prio-q'ing rtr4 "
"rtr6 fsz cnt\n");
seq_printf(s, "-------------------------- ----- ---------- "
"-------------- ---- ------ ---------- ---- "
"---- ----- -----\n");
} else {
device = list_entry(it, struct device, driver_list);
card = device->driver_data;
seq_printf(s, "%s/%s/%s x%02X %-10s %-14s %-4i ",
CARD_RDEV_ID(card),
CARD_WDEV_ID(card),
CARD_DDEV_ID(card),
card->info.chpid,
QETH_CARD_IFNAME(card),
qeth_get_cardname_short(card),
card->info.portno);
if (card->lan_online)
seq_printf(s, "%-6s %-10s %-4s %-4s %-5s %-5i\n",
qeth_get_checksum_str(card),
qeth_get_prioq_str(card, tmp),
qeth_get_router_str(card, 4),
qeth_get_router_str(card, 6),
qeth_get_bufsize_str(card),
card->qdio.in_buf_pool.buf_count);
else
seq_printf(s, " +++ LAN OFFLINE +++\n");
}
return 0;
}
static struct seq_operations qeth_procfile_seq_ops = {
.start = qeth_procfile_seq_start,
.stop = qeth_procfile_seq_stop,
.next = qeth_procfile_seq_next,
.show = qeth_procfile_seq_show,
};
static int
qeth_procfile_open(struct inode *inode, struct file *file)
{
return seq_open(file, &qeth_procfile_seq_ops);
}
static struct file_operations qeth_procfile_fops = {
.owner = THIS_MODULE,
.open = qeth_procfile_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
/***** /proc/qeth_perf *****/
#define QETH_PERF_PROCFILE_NAME "qeth_perf"
static struct proc_dir_entry *qeth_perf_procfile;
#ifdef CONFIG_QETH_PERF_STATS
static void *
qeth_perf_procfile_seq_start(struct seq_file *s, loff_t *offset)
{
struct list_head *next_card = NULL;
int i = 0;
down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
/* get card at pos *offset */
list_for_each(next_card, &qeth_ccwgroup_driver.driver.devices){
if (i == *offset)
return next_card;
i++;
}
return NULL;
}
static void
qeth_perf_procfile_seq_stop(struct seq_file *s, void* it)
{
up_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
}
static void *
qeth_perf_procfile_seq_next(struct seq_file *s, void *it, loff_t *offset)
{
struct list_head *current_card = (struct list_head *)it;
if (current_card->next == &qeth_ccwgroup_driver.driver.devices)
return NULL; /* end of list reached */
(*offset)++;
return current_card->next;
}
static int
qeth_perf_procfile_seq_show(struct seq_file *s, void *it)
{
struct device *device;
struct qeth_card *card;
device = list_entry(it, struct device, driver_list);
card = device->driver_data;
seq_printf(s, "For card with devnos %s/%s/%s (%s):\n",
CARD_RDEV_ID(card),
CARD_WDEV_ID(card),
CARD_DDEV_ID(card),
QETH_CARD_IFNAME(card)
);
seq_printf(s, " Skb's/buffers received : %li/%i\n"
" Skb's/buffers sent : %li/%i\n\n",
card->stats.rx_packets, card->perf_stats.bufs_rec,
card->stats.tx_packets, card->perf_stats.bufs_sent
);
seq_printf(s, " Skb's/buffers sent without packing : %li/%i\n"
" Skb's/buffers sent with packing : %i/%i\n\n",
card->stats.tx_packets - card->perf_stats.skbs_sent_pack,
card->perf_stats.bufs_sent - card->perf_stats.bufs_sent_pack,
card->perf_stats.skbs_sent_pack,
card->perf_stats.bufs_sent_pack
);
seq_printf(s, " Skbs sent in SG mode : %i\n"
" Skb fragments sent in SG mode : %i\n\n",
card->perf_stats.sg_skbs_sent,
card->perf_stats.sg_frags_sent);
seq_printf(s, " large_send tx (in Kbytes) : %i\n"
" large_send count : %i\n\n",
card->perf_stats.large_send_bytes >> 10,
card->perf_stats.large_send_cnt);
seq_printf(s, " Packing state changes no pkg.->packing : %i/%i\n"
" Watermarks L/H : %i/%i\n"
" Current buffer usage (outbound q's) : "
"%i/%i/%i/%i\n\n",
card->perf_stats.sc_dp_p, card->perf_stats.sc_p_dp,
QETH_LOW_WATERMARK_PACK, QETH_HIGH_WATERMARK_PACK,
atomic_read(&card->qdio.out_qs[0]->used_buffers),
(card->qdio.no_out_queues > 1)?
atomic_read(&card->qdio.out_qs[1]->used_buffers)
: 0,
(card->qdio.no_out_queues > 2)?
atomic_read(&card->qdio.out_qs[2]->used_buffers)
: 0,
(card->qdio.no_out_queues > 3)?
atomic_read(&card->qdio.out_qs[3]->used_buffers)
: 0
);
seq_printf(s, " Inbound handler time (in us) : %i\n"
" Inbound handler count : %i\n"
" Inbound do_QDIO time (in us) : %i\n"
" Inbound do_QDIO count : %i\n\n"
" Outbound handler time (in us) : %i\n"
" Outbound handler count : %i\n\n"
" Outbound time (in us, incl QDIO) : %i\n"
" Outbound count : %i\n"
" Outbound do_QDIO time (in us) : %i\n"
" Outbound do_QDIO count : %i\n\n",
card->perf_stats.inbound_time,
card->perf_stats.inbound_cnt,
card->perf_stats.inbound_do_qdio_time,
card->perf_stats.inbound_do_qdio_cnt,
card->perf_stats.outbound_handler_time,
card->perf_stats.outbound_handler_cnt,
card->perf_stats.outbound_time,
card->perf_stats.outbound_cnt,
card->perf_stats.outbound_do_qdio_time,
card->perf_stats.outbound_do_qdio_cnt
);
return 0;
}
static struct seq_operations qeth_perf_procfile_seq_ops = {
.start = qeth_perf_procfile_seq_start,
.stop = qeth_perf_procfile_seq_stop,
.next = qeth_perf_procfile_seq_next,
.show = qeth_perf_procfile_seq_show,
};
static int
qeth_perf_procfile_open(struct inode *inode, struct file *file)
{
return seq_open(file, &qeth_perf_procfile_seq_ops);
}
static struct file_operations qeth_perf_procfile_fops = {
.owner = THIS_MODULE,
.open = qeth_perf_procfile_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
#define qeth_perf_procfile_created qeth_perf_procfile
#else
#define qeth_perf_procfile_created 1
#endif /* CONFIG_QETH_PERF_STATS */
/***** /proc/qeth_ipa_takeover *****/
#define QETH_IPATO_PROCFILE_NAME "qeth_ipa_takeover"
static struct proc_dir_entry *qeth_ipato_procfile;
static void *
qeth_ipato_procfile_seq_start(struct seq_file *s, loff_t *offset)
{
struct list_head *next_card = NULL;
int i = 0;
down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
/* TODO: finish this */
/*
* maybe SEQ_SATRT_TOKEN can be returned for offset 0
* output driver settings then;
* else output setting for respective card
*/
/* get card at pos *offset */
list_for_each(next_card, &qeth_ccwgroup_driver.driver.devices){
if (i == *offset)
return next_card;
i++;
}
return NULL;
}
static void
qeth_ipato_procfile_seq_stop(struct seq_file *s, void* it)
{
up_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
}
static void *
qeth_ipato_procfile_seq_next(struct seq_file *s, void *it, loff_t *offset)
{
struct list_head *current_card = (struct list_head *)it;
/* TODO: finish this */
/*
* maybe SEQ_SATRT_TOKEN can be returned for offset 0
* output driver settings then;
* else output setting for respective card
*/
if (current_card->next == &qeth_ccwgroup_driver.driver.devices)
return NULL; /* end of list reached */
(*offset)++;
return current_card->next;
}
static int
qeth_ipato_procfile_seq_show(struct seq_file *s, void *it)
{
struct device *device;
struct qeth_card *card;
/* TODO: finish this */
/*
* maybe SEQ_SATRT_TOKEN can be returned for offset 0
* output driver settings then;
* else output setting for respective card
*/
device = list_entry(it, struct device, driver_list);
card = device->driver_data;
return 0;
}
static struct seq_operations qeth_ipato_procfile_seq_ops = {
.start = qeth_ipato_procfile_seq_start,
.stop = qeth_ipato_procfile_seq_stop,
.next = qeth_ipato_procfile_seq_next,
.show = qeth_ipato_procfile_seq_show,
};
static int
qeth_ipato_procfile_open(struct inode *inode, struct file *file)
{
return seq_open(file, &qeth_ipato_procfile_seq_ops);
}
static struct file_operations qeth_ipato_procfile_fops = {
.owner = THIS_MODULE,
.open = qeth_ipato_procfile_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
int __init
qeth_create_procfs_entries(void)
{
qeth_procfile = create_proc_entry(QETH_PROCFILE_NAME,
S_IFREG | 0444, NULL);
if (qeth_procfile)
qeth_procfile->proc_fops = &qeth_procfile_fops;
#ifdef CONFIG_QETH_PERF_STATS
qeth_perf_procfile = create_proc_entry(QETH_PERF_PROCFILE_NAME,
S_IFREG | 0444, NULL);
if (qeth_perf_procfile)
qeth_perf_procfile->proc_fops = &qeth_perf_procfile_fops;
#endif /* CONFIG_QETH_PERF_STATS */
qeth_ipato_procfile = create_proc_entry(QETH_IPATO_PROCFILE_NAME,
S_IFREG | 0444, NULL);
if (qeth_ipato_procfile)
qeth_ipato_procfile->proc_fops = &qeth_ipato_procfile_fops;
if (qeth_procfile &&
qeth_ipato_procfile &&
qeth_perf_procfile_created)
return 0;
else
return -ENOMEM;
}
void __exit
qeth_remove_procfs_entries(void)
{
if (qeth_procfile)
remove_proc_entry(QETH_PROCFILE_NAME, NULL);
if (qeth_perf_procfile)
remove_proc_entry(QETH_PERF_PROCFILE_NAME, NULL);
if (qeth_ipato_procfile)
remove_proc_entry(QETH_IPATO_PROCFILE_NAME, NULL);
}
/* ONLY FOR DEVELOPMENT! -> make it as module */
/*
static void
qeth_create_sysfs_entries(void)
{
struct device *dev;
down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
list_for_each_entry(dev, &qeth_ccwgroup_driver.driver.devices,
driver_list)
qeth_create_device_attributes(dev);
up_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
}
static void
qeth_remove_sysfs_entries(void)
{
struct device *dev;
down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
list_for_each_entry(dev, &qeth_ccwgroup_driver.driver.devices,
driver_list)
qeth_remove_device_attributes(dev);
up_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
}
static int __init
qeth_fs_init(void)
{
printk(KERN_INFO "qeth_fs_init\n");
qeth_create_procfs_entries();
qeth_create_sysfs_entries();
return 0;
}
static void __exit
qeth_fs_exit(void)
{
printk(KERN_INFO "qeth_fs_exit\n");
qeth_remove_procfs_entries();
qeth_remove_sysfs_entries();
}
module_init(qeth_fs_init);
module_exit(qeth_fs_exit);
MODULE_LICENSE("GPL");
*/
