原文地址:
http://blog.csdn.net/myarrow/article/details/9300823
1. cfg80211_init
? cfg80211_wq工作队列主要处理以下工作:
1) 清除:wireless_dev.cleanup_work
2) 扫描:cfg80211_registered_device.scan_done_wk
3) 事件:cfg80211_registered_device.event_work
? 注册netlink,其名为:"nl80211",其操作为:nl80211_ops
net/wireless/core.c
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static int __init cfg80211_init(void)
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{
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int err;
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err = register_pernet_device(&cfg80211_pernet_ops);
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if (err)
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goto out_fail_pernet;
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err = wiphy_sysfs_init();
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if (err)
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goto out_fail_sysfs;
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err = register_netdevice_notifier(&cfg80211_netdev_notifier);
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if (err)
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goto out_fail_notifier;
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err = nl80211_init();
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if (err)
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goto out_fail_nl80211;
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ieee80211_debugfs_dir = debugfs_create_dir("ieee80211", NULL);
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err = regulatory_init();
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if (err)
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goto out_fail_reg;
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cfg80211_wq = create_singlethread_workqueue("cfg80211");
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if (!cfg80211_wq)
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goto out_fail_wq;
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return 0;
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out_fail_wq:
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regulatory_exit();
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out_fail_reg:
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debugfs_remove(ieee80211_debugfs_dir);
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out_fail_nl80211:
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unregister_netdevice_notifier(&cfg80211_netdev_notifier);
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out_fail_notifier:
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wiphy_sysfs_exit();
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out_fail_sysfs:
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unregister_pernet_device(&cfg80211_pernet_ops);
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out_fail_pernet:
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return err;
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}
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subsys_initcall(cfg80211_init);
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