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-rw-r--r--net/irda/irsysctl.c258
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diff --git a/net/irda/irsysctl.c b/net/irda/irsysctl.c
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+++ b/net/irda/irsysctl.c
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+/*********************************************************************
+ *
+ * Filename: irsysctl.c
+ * Version: 1.0
+ * Description: Sysctl interface for IrDA
+ * Status: Experimental.
+ * Author: Dag Brattli <dagb@cs.uit.no>
+ * Created at: Sun May 24 22:12:06 1998
+ * Modified at: Fri Jun 4 02:50:15 1999
+ * Modified by: Dag Brattli <dagb@cs.uit.no>
+ *
+ * Copyright (c) 1997, 1999 Dag Brattli, All Rights Reserved.
+ * Copyright (c) 2000-2001 Jean Tourrilhes <jt@hpl.hp.com>
+ *
+ * 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.
+ *
+ * Neither Dag Brattli nor University of Tromsø admit liability nor
+ * provide warranty for any of this software. This material is
+ * provided "AS-IS" and at no charge.
+ *
+ ********************************************************************/
+
+#include <linux/mm.h>
+#include <linux/ctype.h>
+#include <linux/sysctl.h>
+#include <linux/init.h>
+
+#include <net/irda/irda.h> /* irda_debug */
+#include <net/irda/irlmp.h>
+#include <net/irda/timer.h>
+#include <net/irda/irias_object.h>
+
+extern int sysctl_discovery;
+extern int sysctl_discovery_slots;
+extern int sysctl_discovery_timeout;
+extern int sysctl_slot_timeout;
+extern int sysctl_fast_poll_increase;
+extern char sysctl_devname[];
+extern int sysctl_max_baud_rate;
+extern unsigned int sysctl_min_tx_turn_time;
+extern unsigned int sysctl_max_tx_data_size;
+extern unsigned int sysctl_max_tx_window;
+extern int sysctl_max_noreply_time;
+extern int sysctl_warn_noreply_time;
+extern int sysctl_lap_keepalive_time;
+
+extern struct irlmp_cb *irlmp;
+
+/* this is needed for the proc_dointvec_minmax - Jean II */
+static int max_discovery_slots = 16; /* ??? */
+static int min_discovery_slots = 1;
+/* IrLAP 6.13.2 says 25ms to 10+70ms - allow higher since some devices
+ * seems to require it. (from Dag's comment) */
+static int max_slot_timeout = 160;
+static int min_slot_timeout = 20;
+static int max_max_baud_rate = 16000000; /* See qos.c - IrLAP spec */
+static int min_max_baud_rate = 2400;
+static int max_min_tx_turn_time = 10000; /* See qos.c - IrLAP spec */
+static int min_min_tx_turn_time;
+static int max_max_tx_data_size = 2048; /* See qos.c - IrLAP spec */
+static int min_max_tx_data_size = 64;
+static int max_max_tx_window = 7; /* See qos.c - IrLAP spec */
+static int min_max_tx_window = 1;
+static int max_max_noreply_time = 40; /* See qos.c - IrLAP spec */
+static int min_max_noreply_time = 3;
+static int max_warn_noreply_time = 3; /* 3s == standard */
+static int min_warn_noreply_time = 1; /* 1s == min WD_TIMER */
+static int max_lap_keepalive_time = 10000; /* 10s */
+static int min_lap_keepalive_time = 100; /* 100us */
+/* For other sysctl, I've no idea of the range. Maybe Dag could help
+ * us on that - Jean II */
+
+static int do_devname(struct ctl_table *table, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos)
+{
+ int ret;
+
+ ret = proc_dostring(table, write, buffer, lenp, ppos);
+ if (ret == 0 && write) {
+ struct ias_value *val;
+
+ val = irias_new_string_value(sysctl_devname);
+ if (val)
+ irias_object_change_attribute("Device", "DeviceName", val);
+ }
+ return ret;
+}
+
+
+static int do_discovery(struct ctl_table *table, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos)
+{
+ int ret;
+
+ ret = proc_dointvec(table, write, buffer, lenp, ppos);
+ if (ret)
+ return ret;
+
+ if (irlmp == NULL)
+ return -ENODEV;
+
+ if (sysctl_discovery)
+ irlmp_start_discovery_timer(irlmp, sysctl_discovery_timeout*HZ);
+ else
+ del_timer_sync(&irlmp->discovery_timer);
+
+ return ret;
+}
+
+/* One file */
+static struct ctl_table irda_table[] = {
+ {
+ .procname = "discovery",
+ .data = &sysctl_discovery,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = do_discovery,
+ },
+ {
+ .procname = "devname",
+ .data = sysctl_devname,
+ .maxlen = 65,
+ .mode = 0644,
+ .proc_handler = do_devname,
+ },
+#ifdef CONFIG_IRDA_FAST_RR
+ {
+ .procname = "fast_poll_increase",
+ .data = &sysctl_fast_poll_increase,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec
+ },
+#endif
+ {
+ .procname = "discovery_slots",
+ .data = &sysctl_discovery_slots,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &min_discovery_slots,
+ .extra2 = &max_discovery_slots
+ },
+ {
+ .procname = "discovery_timeout",
+ .data = &sysctl_discovery_timeout,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec
+ },
+ {
+ .procname = "slot_timeout",
+ .data = &sysctl_slot_timeout,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &min_slot_timeout,
+ .extra2 = &max_slot_timeout
+ },
+ {
+ .procname = "max_baud_rate",
+ .data = &sysctl_max_baud_rate,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &min_max_baud_rate,
+ .extra2 = &max_max_baud_rate
+ },
+ {
+ .procname = "min_tx_turn_time",
+ .data = &sysctl_min_tx_turn_time,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &min_min_tx_turn_time,
+ .extra2 = &max_min_tx_turn_time
+ },
+ {
+ .procname = "max_tx_data_size",
+ .data = &sysctl_max_tx_data_size,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &min_max_tx_data_size,
+ .extra2 = &max_max_tx_data_size
+ },
+ {
+ .procname = "max_tx_window",
+ .data = &sysctl_max_tx_window,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &min_max_tx_window,
+ .extra2 = &max_max_tx_window
+ },
+ {
+ .procname = "max_noreply_time",
+ .data = &sysctl_max_noreply_time,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &min_max_noreply_time,
+ .extra2 = &max_max_noreply_time
+ },
+ {
+ .procname = "warn_noreply_time",
+ .data = &sysctl_warn_noreply_time,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &min_warn_noreply_time,
+ .extra2 = &max_warn_noreply_time
+ },
+ {
+ .procname = "lap_keepalive_time",
+ .data = &sysctl_lap_keepalive_time,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &min_lap_keepalive_time,
+ .extra2 = &max_lap_keepalive_time
+ },
+ { }
+};
+
+static struct ctl_table_header *irda_table_header;
+
+/*
+ * Function irda_sysctl_register (void)
+ *
+ * Register our sysctl interface
+ *
+ */
+int __init irda_sysctl_register(void)
+{
+ irda_table_header = register_net_sysctl(&init_net, "net/irda", irda_table);
+ if (!irda_table_header)
+ return -ENOMEM;
+
+ return 0;
+}
+
+/*
+ * Function irda_sysctl_unregister (void)
+ *
+ * Unregister our sysctl interface
+ *
+ */
+void irda_sysctl_unregister(void)
+{
+ unregister_net_sysctl_table(irda_table_header);
+}
+
+
+
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