cregit-Linux how code gets into the kernel

Release 4.11 net/irda/irsysctl.c

Directory: net/irda
/*********************************************************************
 *
 * 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; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)7590.36%125.00%
Linus Torvalds67.23%125.00%
Al Viro11.20%125.00%
Joe Perches11.20%125.00%
Total83100.00%4100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Ross Burton8698.85%150.00%
Joe Perches11.15%150.00%
Total87100.00%2100.00%

/* 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; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)2475.00%120.00%
Eric W. Biedermann515.62%240.00%
Pavel Emelyanov26.25%120.00%
Jean Tourrilhes13.12%120.00%
Total32100.00%5100.00%

/* * Function irda_sysctl_unregister (void) * * Unregister our sysctl interface * */
void irda_sysctl_unregister(void) { unregister_net_sysctl_table(irda_table_header); }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)1191.67%150.00%
Eric W. Biedermann18.33%150.00%
Total12100.00%2100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)29430.88%626.09%
Art Haas24926.16%14.35%
Linus Torvalds20821.85%313.04%
Ross Burton9910.40%14.35%
Jean Tourrilhes838.72%417.39%
Eric W. Biedermann90.95%313.04%
Andi Kleen30.32%14.35%
Joe Perches30.32%14.35%
Pavel Emelyanov20.21%14.35%
Al Viro10.11%14.35%
Jan Engelhardt10.11%14.35%
Total952100.00%23100.00%
Directory: net/irda
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