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