implement simple device autodetection for wifi drivers
[librecmc/librecmc.git] / package / broadcom-wl / files / lib / wifi / broadcom.sh
1 append DRIVERS "broadcom"
2
3 bridge_interface() {
4         (
5                 . /etc/functions.sh
6                 include network
7                 scan_interfaces
8                 cfg="$(find_config "$1")"
9                 [ -z "$cfg" ] && return 0
10                 config_get iftype "$cfg" type
11                 [ "$iftype" = bridge ] && config_get "$iftype" bridge
12         )
13 }
14
15 scan_broadcom() {
16         local device="$1"
17
18         config_get vifs "$device" vifs
19         for vif in $vifs; do
20                 config_get mode "$vif" mode
21                 case "$mode" in
22                         adhoc)
23                                 adhoc=1
24                                 adhoc_if="$vif"
25                         ;;
26                         sta)
27                                 sta=1
28                                 sta_if="$vif"
29                         ;;
30                         ap)
31                                 ap=1
32                                 ap_if="${ap_if:+$ap_if }$vif"
33                         ;;
34                         *) echo "$device($vif): Invalid mode";;
35                 esac
36         done
37
38         local _c=
39         for vif in ${adhoc_if:-$sta_if $ap_if}; do
40                 config_set "$vif" ifname "wl0${_c:+.$_c}"
41                 _c=$((${_c:-0} + 1))
42         done
43
44         ifdown="down"
45         for vif in 0 1 2 3; do
46                 append ifdown "vif $vif" "$N"
47                 append ifdown "enabled 0" "$N"
48         done
49
50         ap=1
51         infra=1
52         mssid=1
53         apsta=0
54         radio=1
55         case "$adhoc:$sta:$ap" in
56                 1*)
57                         ap=0
58                         mssid=0
59                         infra=0
60                 ;;
61                 :1:1)
62                         apsta=1
63                         wet=1
64                 ;;
65                 :1:)
66                         wet=1
67                         ap=0
68                         mssid=0
69                 ;;
70                 ::)
71                         radio=0
72                 ;;
73         esac
74 }
75
76 disable_broadcom() {
77         wlc down
78         ifconfig wl0 down
79 }
80
81 enable_broadcom() {
82         local _c
83         config_get channel "$device" channel
84         config_get country "$device" country
85         config_get maxassoc "$device" maxassoc
86
87         _c=0
88         nas="$(which nas)"
89         nas_cmd=
90         if_up=
91         for vif in ${adhoc_if:-$sta_if $ap_if}; do
92                 append vif_pre_up "vif $_c" "$N"
93                 append vif_post_up "vif $_c" "$N"
94                 
95                 [ "$vif" = "$sta_if" ] || {
96                         config_get_bool hidden "$vif" hidden 1
97                         append vif_pre_up "closed $hidden" "$N"
98                         config_get_bool isolate "$vif" isolate
99                         append vif_pre_up "ap_isolate $hidden" "$N"
100                 }
101
102                 wsec_r=0
103                 eap_r=0
104                 wsec=0
105                 auth=0
106                 nasopts=
107                 config_get enc "$vif" encryption
108                 case "$enc" in
109                         WEP|wep)
110                                 wsec_r=1
111                         ;;
112                         *psk*|*PSK*)
113                                 wsec_r=1
114                                 config_get key "$vif" key
115                                 case "$enc" in
116                                         wpa2*|WPA2*|PSK2*|psk2*) auth=128; wsec=4;;
117                                         *) auth=4; crypto=2;;
118                                 esac
119                                 eval "${vif}_key=\"\$key\""
120                                 nasopts="-k \"\$${vif}_key\""
121                         ;;
122                         *wpa*|*WPA*)
123                                 wsec_r=1
124                                 eap_r=1
125                                 config_get key "$vif" key
126                                 config_get server "$vif" server
127                                 config_get port "$vif" port
128                                 case "$enc" in
129                                         wpa2*|WPA2*) auth=64; wsec=4;;
130                                         *) auth=2; crypto=2;;
131                                 esac
132                                 eval "${vif}_key=\"\$key\""
133                                 nasopts="-r \"\$${vif}_key\" -h $server -p $port"
134                         ;;
135                 esac
136                 append vif_post_up "wsec $wsec" "$N"
137                 append vif_post_up "wpa_auth $auth" "$N"
138                 append vif_post_up "wsec_restrict $wsec_r" "$N"
139                 append vif_post_up "eap_restrict $eap_r" "$N"
140                 
141                 config_get ssid "$vif" ssid
142                 append vif_post_up "vlan_mode 0"
143                 append vif_post_up "ssid $ssid" "$N"
144                 append vif_post_up "enabled 1" "$N"
145                 
146                 config_get ifname "$vif" ifname
147                 append if_up "ifconfig $ifname up" ";$N"
148                 [ -z "$nasopts" ] || {
149                         bridge="$(bridge_interface "$ifname")"
150                         eval "${vif}_ssid=\"\$ssid\""
151                         mode="-A"
152                         [ "$vif" = "$sta_if" ] && mode="-S"
153                         [ -z "$nas" ] || nas_cmd="${nas_cmd:+$nas_cmd$N}$nas -P /var/run/nas.$ifname.pid -H 34954 ${bridge:+ -l $bridge} -i $ifname $mode -m $auth -w $crypto -s \"\$${vif}_ssid\" -g 3600 $nasopts &"
154                 }
155                 _c=$(($_c + 1))
156         done
157         killall -KILL nas >&- 2>&-
158         wlc stdin <<EOF
159 $ifdown
160
161 mssid $mssid
162 ap $ap
163 apsta $apsta
164 infra $infra
165 ${wet:+wet 1}
166
167 radio ${radio:-1}
168 macfilter 0
169 maclist none
170 wds none
171 channel ${channel:-0}
172 country ${country:-IL0}
173 maxassoc ${maxassoc:-128}
174
175 $vif_pre_up
176 up
177 $vif_post_up
178 EOF
179         eval "$nas_cmd"
180         eval "$if_up"
181 }
182
183
184 detect_broadcom() {
185         [ -f /proc/net/wl0 ] || return
186         config_get type wl0 type
187         [ "$type" = broadcom ] && return
188         cat <<EOF
189 config wifi-device  wl0
190         option type     broadcom
191         option channel  5
192
193 config wifi-iface
194         option device   wl0
195         option mode     ap
196         option ssid     OpenWrt
197         option hidden   0
198         option encryption none
199
200 EOF
201 }