cregit-Linux how code gets into the kernel

Release 4.14 net/wireless/sysfs.c

Directory: net/wireless
/*
 * This file provides /sys/class/ieee80211/<wiphy name>/
 * and some default attributes.
 *
 * Copyright 2005-2006  Jiri Benc <jbenc@suse.cz>
 * Copyright 2006       Johannes Berg <johannes@sipsolutions.net>
 *
 * This file is GPLv2 as found in COPYING.
 */

#include <linux/device.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/nl80211.h>
#include <linux/rtnetlink.h>
#include <net/cfg80211.h>
#include "sysfs.h"
#include "core.h"
#include "rdev-ops.h"


static inline struct cfg80211_registered_device *dev_to_rdev( struct device *dev) { return container_of(dev, struct cfg80211_registered_device, wiphy.dev); }

Contributors

PersonTokensPropCommitsCommitProp
Johannes Berg27100.00%1100.00%
Total27100.00%1100.00%

#define SHOW_FMT(name, fmt, member) \ static ssize_t name ## _show(struct device *dev, \ struct device_attribute *attr, \ char *buf) \ { \ return sprintf(buf, fmt "\n", dev_to_rdev(dev)->member); \ } \ static DEVICE_ATTR_RO(name) SHOW_FMT(index, "%d", wiphy_idx); SHOW_FMT(macaddress, "%pM", wiphy.perm_addr); SHOW_FMT(address_mask, "%pM", wiphy.addr_mask);
static ssize_t name_show(struct device *dev, struct device_attribute *attr, char *buf) { struct wiphy *wiphy = &dev_to_rdev(dev)->wiphy; return sprintf(buf, "%s\n", wiphy_name(wiphy)); }

Contributors

PersonTokensPropCommitsCommitProp
Ben Greear4597.83%150.00%
Johannes Berg12.17%150.00%
Total46100.00%2100.00%

static DEVICE_ATTR_RO(name);
static ssize_t addresses_show(struct device *dev, struct device_attribute *attr, char *buf) { struct wiphy *wiphy = &dev_to_rdev(dev)->wiphy; char *start = buf; int i; if (!wiphy->addresses) return sprintf(buf, "%pM\n", wiphy->perm_addr); for (i = 0; i < wiphy->n_addresses; i++) buf += sprintf(buf, "%pM\n", wiphy->addresses[i].addr); return buf - start; }

Contributors

PersonTokensPropCommitsCommitProp
Johannes Berg99100.00%1100.00%
Total99100.00%1100.00%

static DEVICE_ATTR_RO(addresses); static struct attribute *ieee80211_attrs[] = { &dev_attr_index.attr, &dev_attr_macaddress.attr, &dev_attr_address_mask.attr, &dev_attr_addresses.attr, &dev_attr_name.attr, NULL, }; ATTRIBUTE_GROUPS(ieee80211);
static void wiphy_dev_release(struct device *dev) { struct cfg80211_registered_device *rdev = dev_to_rdev(dev); cfg80211_dev_free(rdev); }

Contributors

PersonTokensPropCommitsCommitProp
Johannes Berg26100.00%1100.00%
Total26100.00%1100.00%


static int wiphy_uevent(struct device *dev, struct kobj_uevent_env *env) { /* TODO, we probably need stuff here */ return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Johannes Berg1785.00%150.00%
Kay Sievers315.00%150.00%
Total20100.00%2100.00%

#ifdef CONFIG_PM_SLEEP
static void cfg80211_leave_all(struct cfg80211_registered_device *rdev) { struct wireless_dev *wdev; list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) cfg80211_leave(rdev, wdev); }

Contributors

PersonTokensPropCommitsCommitProp
Stanislaw Gruszka3096.77%150.00%
Johannes Berg13.23%150.00%
Total31100.00%2100.00%


static int wiphy_suspend(struct device *dev) { struct cfg80211_registered_device *rdev = dev_to_rdev(dev); int ret = 0; rdev->suspend_at = get_seconds(); rtnl_lock(); if (rdev->wiphy.registered) { if (!rdev->wiphy.wowlan_config) { cfg80211_leave_all(rdev); cfg80211_process_rdev_events(rdev); } if (rdev->ops->suspend) ret = rdev_suspend(rdev, rdev->wiphy.wowlan_config); if (ret == 1) { /* Driver refuse to configure wowlan */ cfg80211_leave_all(rdev); cfg80211_process_rdev_events(rdev); ret = rdev_suspend(rdev, NULL); } } rtnl_unlock(); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Johannes Berg6351.64%450.00%
Stanislaw Gruszka5141.80%225.00%
Dan J Williams75.74%112.50%
Hila Gonen10.82%112.50%
Total122100.00%8100.00%


static int wiphy_resume(struct device *dev) { struct cfg80211_registered_device *rdev = dev_to_rdev(dev); int ret = 0; /* Age scan results with time spent in suspend */ cfg80211_bss_age(rdev, get_seconds() - rdev->suspend_at); rtnl_lock(); if (rdev->wiphy.registered && rdev->ops->resume) ret = rdev_resume(rdev); rtnl_unlock(); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Johannes Berg4159.42%120.00%
Dan J Williams1318.84%120.00%
Stanislaw Gruszka811.59%120.00%
Arend Van Spriel68.70%120.00%
Hila Gonen11.45%120.00%
Total69100.00%5100.00%

static SIMPLE_DEV_PM_OPS(wiphy_pm_ops, wiphy_suspend, wiphy_resume); #define WIPHY_PM_OPS (&wiphy_pm_ops) #else #define WIPHY_PM_OPS NULL #endif
static const void *wiphy_namespace(struct device *d) { struct wiphy *wiphy = container_of(d, struct wiphy, dev); return wiphy_net(wiphy); }

Contributors

PersonTokensPropCommitsCommitProp
Johannes Berg34100.00%1100.00%
Total34100.00%1100.00%

struct class ieee80211_class = { .name = "ieee80211", .owner = THIS_MODULE, .dev_release = wiphy_dev_release, .dev_groups = ieee80211_groups, .dev_uevent = wiphy_uevent, .pm = WIPHY_PM_OPS, .ns_type = &net_ns_type_operations, .namespace = wiphy_namespace, };
int wiphy_sysfs_init(void) { return class_register(&ieee80211_class); }

Contributors

PersonTokensPropCommitsCommitProp
Johannes Berg14100.00%1100.00%
Total14100.00%1100.00%


void wiphy_sysfs_exit(void) { class_unregister(&ieee80211_class); }

Contributors

PersonTokensPropCommitsCommitProp
Johannes Berg13100.00%1100.00%
Total13100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Johannes Berg45765.57%1047.62%
Stanislaw Gruszka8912.77%29.52%
Ben Greear466.60%14.76%
Greg Kroah-Hartman456.46%14.76%
Lars-Peter Clausen233.30%14.76%
Dan J Williams202.87%14.76%
Arend Van Spriel81.15%29.52%
Hila Gonen50.72%14.76%
Kay Sievers30.43%14.76%
Luis R. Rodriguez10.14%14.76%
Total697100.00%21100.00%
Directory: net/wireless
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