openwrt配置wifidog wireless

configure openwrt Wireless
The WiFi settings are configured in the file /etc/config/wireless (currently supported on Broadcom, Atheros and mac80211). When booting the router for the first time it should detect your card and create a sample configuration file. By default ’option network lan’ is commented. This prevents unsecured sharing of the network over the wireless interface.

Each wireless driver has its own configuration script in /lib/wifi/driver_name.sh which handles driver specific options and configurations. This script is also calling driver specific binaries like wlc for Broadcom, or hostapd and wpa_supplicant for atheros.

The reason for using such architecture, is that it abstracts the driver configuration.

Generic Broadcom wireless config:

  config wifi-device      "wl0" 
      option type         "broadcom" 
      option channel      "5" 

  config wifi-iface 
      option device       "wl0" 
  #   option network  lan 
      option mode         "ap" 
      option ssid         "OpenWrt" 
      option hidden       "0" 
      option encryption   "none"

Generic Atheros wireless config:

  config wifi-device      "wifi0" 
      option type         "atheros" 
      option channel      "5" 
      option hwmode "11g" 

  config wifi-iface 
      option device       "wifi0" 
  #   option network  lan 
      option mode         "ap" 
      option ssid         "OpenWrt" 
      option hidden       "0" 
      option encryption   "none"

Generic mac80211 wireless config:

  config wifi-device      "wifi0" 
      option type         "mac80211" 
      option channel      "5" 

  config wifi-iface 
      option device       "wlan0" 
  #   option network  lan 
      option mode         "ap" 
      option ssid         "OpenWrt" 
      option hidden       "0" 
      option encryption   "none"

Generic multi-radio Atheros wireless config:

  config wifi-device  wifi0 
      option type     atheros 
      option channel  1 

  config wifi-iface 
      option device   wifi0 
  #   option network  lan 
      option mode     ap 
      option ssid     OpenWrt_private 
      option hidden   0 
      option encryption none 

  config wifi-device  wifi1 
      option type     atheros 
      option channel  11 

  config wifi-iface 
      option device   wifi1 
  #   option network  lan 
      option mode     ap 
      option ssid     OpenWrt_public 
      option hidden   1 
      option encryption none

There are two types of config sections in this file. The ’wifi-device’ refers to the physical wifi interface and ’wifi-iface’ configures a virtual interface on top of that (if supported by the driver).

A full outline of the wireless configuration file with description of each field:

  config wifi-device    wifi device name 
      option type       broadcom, atheros, mac80211 
      option country    us, uk, fr, de, etc. 
      option channel    1-14 
      option maxassoc   1-128 (broadcom only) 
      option distance   1-n 
      option hwmode     11b, 11g, 11a, 11bg (atheros, mac80211) 
      option rxantenna  0,1,2 (atheros, broadcom) 
      option txantenna  0,1,2 (atheros, broadcom) 
      option txpower  transmission power in dBm 

  config wifi-iface 
      option network  the interface you want wifi to bridge with 
      option device   wifi0, wifi1, wifi2, wifiN 
      option mode     ap, sta, adhoc, monitor, or wds 
      option txpower  (deprecated) transmission power in dBm 
      option ssid     ssid name 
      option bssid    bssid address 
      option encryption none, wep, psk, psk2, wpa, wpa2 
      option key      encryption key 
      option key1     key 1 
      option key2     key 2 
      option key3     key 3 
      option key4     key 4 
      option server   ip address 
      option port     port 
      option hidden   0,1 
      option isolate  0,1 
      option doth     0,1 (atheros, broadcom) 
      option wmm      0,1 (atheros, broadcom)

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