[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/net/irda/irsysctl.c b/ap/os/linux/linux-3.4.x/net/irda/irsysctl.c
new file mode 100644
index 0000000..2615ffc
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/net/irda/irsysctl.c
@@ -0,0 +1,273 @@
+/*********************************************************************
+ *
+ * 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(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(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 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_DEBUG
+	{
+		.procname	= "debug",
+		.data		= &irda_debug,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec
+	},
+#endif
+#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_path irda_path[] = {
+	{ .procname = "net", },
+	{ .procname = "irda", },
+	{ }
+};
+
+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_sysctl_paths(irda_path, 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_sysctl_table(irda_table_header);
+}
+
+
+