Root/package/broadcom-wl/files/lib/wifi/broadcom.sh

1append DRIVERS "broadcom"
2
3scan_broadcom() {
4    local device="$1"
5    local wds
6    local adhoc sta apmode mon
7    local adhoc_if sta_if ap_if mon_if
8    local _c=0
9
10    config_get vifs "$device" vifs
11    for vif in $vifs; do
12        config_get mode "$vif" mode
13        _c=$(($_c + 1))
14        case "$mode" in
15            adhoc)
16                adhoc=1
17                adhoc_if="$vif"
18            ;;
19            sta)
20                sta=1
21                sta_if="$vif"
22            ;;
23            ap)
24                apmode=1
25                ap_if="${ap_if:+$ap_if }$vif"
26            ;;
27            wds)
28                config_get addr "$vif" bssid
29                [ -z "$addr" ] || {
30                    addr=$(echo "$addr" | tr 'A-F' 'a-f')
31                    append wds "$addr"
32                }
33            ;;
34            monitor)
35                mon=1
36                mon_if="$vif"
37            ;;
38            *) echo "$device($vif): Invalid mode";;
39        esac
40    done
41    config_set "$device" wds "$wds"
42
43    local _c=
44    for vif in ${adhoc_if:-$sta_if $ap_if $mon_if}; do
45        config_set "$vif" ifname "${device}${_c:+.$_c}"
46        _c=$((${_c:-0} + 1))
47    done
48    config_set "$device" vifs "${adhoc_if:-$sta_if $ap_if $mon_if}"
49
50    ifdown="down"
51    for vif in 0 1 2 3; do
52        append ifdown "vif $vif" "$N"
53        append ifdown "enabled 0" "$N"
54    done
55
56    ap=1
57    infra=1
58    if [ "$_c" -gt 1 ]; then
59        mssid=1
60    else
61        mssid=
62    fi
63    apsta=0
64    radio=1
65    monitor=0
66    passive=0
67    case "$adhoc:$sta:$apmode:$mon" in
68        1*)
69            ap=0
70            mssid=
71            infra=0
72        ;;
73        :1:1:)
74            apsta=1
75            wet=1
76        ;;
77        :1::)
78            wet=1
79            ap=0
80            mssid=
81        ;;
82        :::1)
83            wet=1
84            ap=0
85            mssid=
86            monitor=1
87            passive=1
88        ;;
89        ::)
90            radio=0
91        ;;
92    esac
93}
94
95disable_broadcom() {
96    local device="$1"
97    set_wifi_down "$device"
98    wlc ifname "$device" down
99    (
100        include /lib/network
101
102        # make sure the interfaces are down and removed from all bridges
103        for dev in $device ${device}.1 ${device}.2 ${device}.3; do
104            ifconfig "$dev" down 2>/dev/null >/dev/null && {
105                unbridge "$dev"
106            }
107        done
108    )
109    true
110}
111
112enable_broadcom() {
113    local device="$1"
114    local _c
115    config_get channel "$device" channel
116    config_get country "$device" country
117    config_get maxassoc "$device" maxassoc
118    config_get wds "$device" wds
119    config_get vifs "$device" vifs
120    config_get distance "$device" distance
121    config_get slottime "$device" slottime
122    config_get rxantenna "$device" rxantenna
123    config_get txantenna "$device" txantenna
124    config_get_bool frameburst "$device" frameburst
125    config_get macfilter "$device" macfilter
126    config_get maclist "$device" maclist
127    config_get macaddr "$device" macaddr
128    config_get txpower "$device" txpower
129    config_get frag "$device" frag
130    config_get rts "$device" rts
131    config_get hwmode "$device" hwmode
132    local vif_pre_up vif_post_up vif_do_up vif_txpower
133    local doth=0
134    local wmm=0
135
136    _c=0
137    nas="$(which nas)"
138    [ -n "$nas" ] && nas="start-stop-daemon -S -b -x $nas -- "
139    nas_cmd=
140    if_up=
141
142    [ -z "$slottime" ] && {
143        [ -n "$distance" ] && {
144            # slottime = 9 + (distance / 150) + (distance % 150 ? 1 : 0)
145            slottime="$((9 + ($distance / 150) + 1 - (150 - ($distance % 150)) / 150 ))"
146        }
147    } || {
148        slottime="${slottime:--1}"
149    }
150
151    case "$macfilter" in
152        allow|2)
153            macfilter=2;
154        ;;
155        deny|1)
156            macfilter=1;
157        ;;
158        disable|none|0)
159            macfilter=0;
160        ;;
161    esac
162
163    case "$hwmode" in
164        *b) hwmode=0;;
165        *bg) hwmode=1;;
166        *g) hwmode=2;;
167        *gst) hwmode=4;;
168        *lrs) hwmode=5;;
169        *) hwmode=1;;
170    esac
171
172    for vif in $vifs; do
173        config_get vif_txpower "$vif" txpower
174
175        config_get mode "$vif" mode
176        append vif_pre_up "vif $_c" "$N"
177        append vif_post_up "vif $_c" "$N"
178        append vif_do_up "vif $_c" "$N"
179
180        config_get_bool wmm "$vif" wmm "$wmm"
181        config_get_bool doth "$vif" doth "$doth"
182
183        [ "$mode" = "sta" ] || {
184            config_get_bool hidden "$vif" hidden 0
185            append vif_pre_up "closed $hidden" "$N"
186            config_get_bool isolate "$vif" isolate 0
187            append vif_pre_up "ap_isolate $isolate" "$N"
188        }
189
190        wsec_r=0
191        eap_r=0
192        wsec=0
193        auth=0
194        nasopts=
195        config_get enc "$vif" encryption
196        case "$enc" in
197            *WEP*|*wep*)
198                wsec_r=1
199                wsec=1
200                defkey=1
201                config_get key "$vif" key
202                case "$enc" in
203                    *shared*) append vif_do_up "wepauth 1" "$N";;
204                    *) append vif_do_up "wepauth 0" "$N";;
205                esac
206                case "$key" in
207                    [1234])
208                        defkey="$key"
209                        for knr in 1 2 3 4; do
210                            config_get k "$vif" key$knr
211                            [ -n "$k" ] || continue
212                            [ "$defkey" = "$knr" ] && def="=" || def=""
213                            append vif_do_up "wepkey $def$knr,$k" "$N"
214                        done
215                    ;;
216                    "");;
217                    *) append vif_do_up "wepkey =1,$key" "$N";;
218                esac
219            ;;
220            *psk*|*PSK*)
221                wsec_r=1
222                config_get key "$vif" key
223                case "$enc" in
224                    wpa*+wpa2*|WPA*+WPA2*|*psk+*psk2|*PSK+*PSK2) auth=132; wsec=6;;
225                    wpa2*|WPA2*|*PSK2|*psk2) auth=128; wsec=4;;
226                    *aes|*AES) auth=4; wsec=4;;
227                    *) auth=4; wsec=2;;
228                esac
229                eval "${vif}_key=\"\$key\""
230                nasopts="-k \"\$${vif}_key\""
231            ;;
232            *wpa*|*WPA*)
233                wsec_r=1
234                eap_r=1
235                config_get key "$vif" key
236                config_get server "$vif" server
237                config_get port "$vif" port
238                case "$enc" in
239                    wpa*+wpa2*|WPA*+WPA2*) auth=66; wsec=6;;
240                    wpa2*|WPA2*) auth=64; wsec=4;;
241                    *) auth=2; wsec=2;;
242                esac
243                eval "${vif}_key=\"\$key\""
244                nasopts="-r \"\$${vif}_key\" -h $server -p ${port:-1812}"
245            ;;
246        esac
247        append vif_do_up "wsec $wsec" "$N"
248        append vif_do_up "wpa_auth $auth" "$N"
249        append vif_do_up "wsec_restrict $wsec_r" "$N"
250        append vif_do_up "eap_restrict $eap_r" "$N"
251
252        config_get ssid "$vif" ssid
253        append vif_post_up "vlan_mode 0" "$N"
254        append vif_post_up "ssid $ssid" "$N"
255        append vif_do_up "ssid $ssid" "$N"
256
257        [ "$mode" = "monitor" ] && {
258            append vif_post_up "monitor $monitor" "$N"
259            append vif_post_up "passive $passive" "$N"
260        }
261
262        [ "$mode" = "adhoc" ] && {
263            config_get bssid "$vif" bssid
264            [ -n "$bssid" ] && {
265                append vif_pre_up "des_bssid $bssid" "$N"
266                append vif_pre_up "allow_mode 1" "$N"
267            }
268        } || append vif_pre_up "allow_mode 0" "$N"
269
270        append vif_post_up "enabled 1" "$N"
271
272        config_get ifname "$vif" ifname
273        #append if_up "ifconfig $ifname up" ";$N"
274
275        local net_cfg bridge
276        net_cfg="$(find_net_config "$vif")"
277        [ -z "$net_cfg" ] || {
278            bridge="$(bridge_interface "$net_cfg")"
279            append if_up "set_wifi_up '$vif' '$ifname'" ";$N"
280            append if_up "start_net '$ifname' '$net_cfg' \$(wlc ifname '$ifname' bssid)" ";$N"
281        }
282        [ -z "$nasopts" ] || {
283            eval "${vif}_ssid=\"\$ssid\""
284            nas_mode="-A"
285            use_nas=1
286            [ "$mode" = "sta" ] && {
287                nas_mode="-S"
288                [ -z "$bridge" ] || {
289                    append vif_post_up "supplicant 1" "$N"
290                    append vif_post_up "passphrase $key" "$N"
291
292                    use_nas=0
293                }
294            }
295            [ -z "$nas" -o "$use_nas" = "0" ] || nas_cmd="${nas_cmd:+$nas_cmd$N}$nas -P /var/run/nas.$ifname.pid -H 34954 ${bridge:+ -l $bridge} -i $ifname $nas_mode -m $auth -w $wsec -s \"\$${vif}_ssid\" -g 3600 $nasopts &"
296        }
297        _c=$(($_c + 1))
298    done
299    killall -KILL nas >&- 2>&-
300    wlc ifname "$device" stdin <<EOF
301$ifdown
302
303gmode ${hwmode:-1}
304apsta $apsta
305ap $ap
306${mssid:+mssid $mssid}
307infra $infra
308${wet:+wet 1}
309802.11d 0
310802.11h ${doth:-0}
311wme ${wmm:-0}
312rxant ${rxantenna:-3}
313txant ${txantenna:-3}
314fragthresh ${frag:-2346}
315rtsthresh ${rts:-2347}
316monitor ${monitor:-0}
317passive ${passive:-0}
318
319radio ${radio:-1}
320macfilter ${macfilter:-0}
321maclist ${maclist:-none}
322wds none
323${wds:+wds $wds}
324country ${country:-IL0}
325${channel:+channel $channel}
326maxassoc ${maxassoc:-128}
327slottime ${slottime:--1}
328${frameburst:+frameburst $frameburst}
329
330$vif_pre_up
331up
332$vif_post_up
333EOF
334    eval "$if_up"
335    wlc ifname "$device" stdin <<EOF
336$vif_do_up
337EOF
338
339    # use vif_txpower (from last wifi-iface) instead of txpower (from
340    # wifi-device) if the latter does not exist
341    txpower=${txpower:-$vif_txpower}
342    [ -z "$txpower" ] || iwconfig $device txpower ${txpower}dBm
343
344    eval "$nas_cmd"
345}
346
347
348detect_broadcom() {
349    local i=-1
350
351    while [ -f /proc/net/wl$((++i)) ]; do
352        config_get type wl${i} type
353        [ "$type" = broadcom ] && continue
354        cat <<EOF
355config wifi-device wl${i}
356    option type broadcom
357    option channel 5
358
359    # REMOVE THIS LINE TO ENABLE WIFI:
360    option disabled 1
361
362config wifi-iface
363    option device wl${i}
364    option network lan
365    option mode ap
366    option ssid OpenWrt${i#0}
367    option encryption none
368
369EOF
370    done
371}
372

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