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    case "$adhoc:$sta:$apmode:$mon" in
67        1*)
68            ap=0
69            mssid=
70            infra=0
71        ;;
72        :1:1:)
73            apsta=1
74            wet=1
75        ;;
76        :1::)
77            wet=1
78            ap=0
79            mssid=
80        ;;
81        :::1)
82            wet=1
83            ap=0
84            mssid=
85            monitor=1
86        ;;
87        ::)
88            radio=0
89        ;;
90    esac
91}
92
93disable_broadcom() {
94    local device="$1"
95    set_wifi_down "$device"
96    wlc ifname "$device" down
97    wlc ifname "$device" bssid `wlc ifname "$device" default_bssid`
98    (
99        include /lib/network
100
101        # make sure the interfaces are down and removed from all bridges
102        for dev in $device ${device}.1 ${device}.2 ${device}.3; do
103            ifconfig "$dev" down 2>/dev/null >/dev/null && {
104                unbridge "$dev"
105            }
106        done
107    )
108    true
109}
110
111enable_broadcom() {
112    local device="$1"
113    local _c
114    config_get channel "$device" channel
115    config_get country "$device" country
116    config_get maxassoc "$device" maxassoc
117    config_get wds "$device" wds
118    config_get vifs "$device" vifs
119    config_get distance "$device" distance
120    config_get slottime "$device" slottime
121    config_get rxantenna "$device" rxantenna
122    config_get txantenna "$device" txantenna
123    config_get_bool frameburst "$device" frameburst
124    config_get macfilter "$device" macfilter
125    config_get maclist "$device" maclist
126    config_get macaddr "$device" macaddr
127    config_get txpower "$device" txpower
128    config_get frag "$device" frag
129    config_get rts "$device" rts
130    config_get hwmode "$device" hwmode
131    local vif_pre_up vif_post_up vif_do_up vif_txpower
132    local doth=0
133    local wmm=0
134
135    _c=0
136    nas="$(which nas)"
137    nas_cmd=
138    if_up=
139
140    [ -z "$slottime" ] && {
141        [ -n "$distance" ] && {
142            # slottime = 9 + (distance / 150) + (distance % 150 ? 1 : 0)
143            slottime="$((9 + ($distance / 150) + 1 - (150 - ($distance % 150)) / 150 ))"
144        }
145    } || {
146        slottime="${slottime:--1}"
147    }
148
149    case "$macfilter" in
150        allow|2)
151            macfilter=2;
152        ;;
153        deny|1)
154            macfilter=1;
155        ;;
156        disable|none|0)
157            macfilter=0;
158        ;;
159    esac
160
161    case "$hwmode" in
162        *b) hwmode=0;;
163        *bg) hwmode=1;;
164        *g) hwmode=2;;
165        *gst) hwmode=4;;
166        *lrs) hwmode=5;;
167        *) hwmode=1;;
168    esac
169
170    for vif in $vifs; do
171        config_get vif_txpower "$vif" txpower
172
173        config_get mode "$vif" mode
174        append vif_pre_up "vif $_c" "$N"
175        append vif_post_up "vif $_c" "$N"
176        append vif_do_up "vif $_c" "$N"
177
178        config_get_bool wmm "$vif" wmm "$wmm"
179        config_get_bool doth "$vif" doth "$doth"
180
181        [ "$mode" = "sta" ] || {
182            config_get_bool hidden "$vif" hidden 0
183            append vif_pre_up "closed $hidden" "$N"
184            config_get_bool isolate "$vif" isolate 0
185            append vif_pre_up "ap_isolate $isolate" "$N"
186        }
187
188        wsec_r=0
189        eap_r=0
190        wsec=0
191        auth=0
192        nasopts=
193        config_get enc "$vif" encryption
194        case "$enc" in
195            *wep*)
196                wsec_r=1
197                wsec=1
198                defkey=1
199                config_get key "$vif" key
200                case "$enc" in
201                    *shared*) append vif_do_up "wepauth 1" "$N";;
202                    *) append vif_do_up "wepauth 0" "$N";;
203                esac
204                case "$key" in
205                    [1234])
206                        defkey="$key"
207                        for knr in 1 2 3 4; do
208                            config_get k "$vif" key$knr
209                            [ -n "$k" ] || continue
210                            [ "$defkey" = "$knr" ] && def="=" || def=""
211                            append vif_do_up "wepkey $def$knr,$k" "$N"
212                        done
213                    ;;
214                    "");;
215                    *) append vif_do_up "wepkey =1,$key" "$N";;
216                esac
217            ;;
218            *psk*)
219                wsec_r=1
220                config_get key "$vif" key
221
222                # psk version + default cipher
223                case "$enc" in
224                    *mixed*|*psk+psk2*) auth=132; wsec=6;;
225                    *psk2*) auth=128; wsec=4;;
226                    *) auth=4; wsec=2;;
227                esac
228
229                # cipher override
230                case "$enc" in
231                    *tkip+aes*|*tkip+ccmp*|*aes+tkip*|*ccmp+tkip*) wsec=6;;
232                    *aes*|*ccmp*) wsec=4;;
233                    *tkip*) wsec=2;;
234                esac
235
236                eval "${vif}_key=\"\$key\""
237                nasopts="-k \"\$${vif}_key\""
238            ;;
239            *wpa*)
240                wsec_r=1
241                eap_r=1
242                config_get key "$vif" key
243                config_get server "$vif" server
244                config_get port "$vif" port
245
246                # wpa version + default cipher
247                case "$enc" in
248                    *mixed*|*wpa+wpa2*) auth=66; wsec=6;;
249                    *wpa2*) auth=64; wsec=4;;
250                    *) auth=2; wsec=2;;
251                esac
252
253                # cipher override
254                case "$enc" in
255                    *tkip+aes*|*tkip+ccmp*|*aes+tkip*|*ccmp+tkip*) wsec=6;;
256                    *aes*|*ccmp*) wsec=4;;
257                    *tkip*) wsec=2;;
258                esac
259
260                eval "${vif}_key=\"\$key\""
261                nasopts="-r \"\$${vif}_key\" -h $server -p ${port:-1812}"
262            ;;
263        esac
264        append vif_do_up "wsec $wsec" "$N"
265        append vif_do_up "wpa_auth $auth" "$N"
266        append vif_do_up "wsec_restrict $wsec_r" "$N"
267        append vif_do_up "eap_restrict $eap_r" "$N"
268
269        config_get ssid "$vif" ssid
270        append vif_post_up "vlan_mode 0" "$N"
271        append vif_post_up "ssid $ssid" "$N"
272        append vif_do_up "ssid $ssid" "$N"
273
274        [ "$mode" = "monitor" ] && {
275            append vif_post_up "monitor $monitor" "$N"
276        }
277
278        [ "$mode" = "adhoc" ] && {
279            config_get bssid "$vif" bssid
280            [ -n "$bssid" ] && {
281                append vif_pre_up "bssid $bssid" "$N"
282                append vif_pre_up "ibss_merge 0" "$N"
283            } || {
284                append vif_pre_up "ibss_merge 1" "$N"
285            }
286        }
287
288        append vif_post_up "enabled 1" "$N"
289
290        config_get ifname "$vif" ifname
291        #append if_up "ifconfig $ifname up" ";$N"
292
293        local net_cfg
294        net_cfg="$(find_net_config "$vif")"
295        [ -z "$net_cfg" ] || {
296            append if_up "set_wifi_up '$vif' '$ifname'" ";$N"
297            append if_up "start_net '$ifname' '$net_cfg'" ";$N"
298        }
299        [ -z "$nasopts" ] || {
300            eval "${vif}_ssid=\"\$ssid\""
301            nas_mode="-A"
302            [ "$mode" = "sta" ] && nas_mode="-S"
303            [ -z "$nas" ] || {
304                nas_cmd="${nas_cmd:+$nas_cmd$N}start-stop-daemon -S -b -p /var/run/nas.$ifname.pid -x $nas -- -P /var/run/nas.$ifname.pid -H 34954 -i $ifname $nas_mode -m $auth -w $wsec -s \"\$${vif}_ssid\" -g 3600 -F $nasopts"
305            }
306        }
307        _c=$(($_c + 1))
308    done
309    killall -KILL nas >&- 2>&-
310    wlc ifname "$device" stdin <<EOF
311$ifdown
312
313gmode ${hwmode:-1}
314apsta $apsta
315ap $ap
316${mssid:+mssid $mssid}
317infra $infra
318${wet:+wet 1}
319802.11d 0
320802.11h ${doth:-0}
321wme ${wmm:-0}
322rxant ${rxantenna:-3}
323txant ${txantenna:-3}
324fragthresh ${frag:-2346}
325rtsthresh ${rts:-2347}
326monitor ${monitor:-0}
327
328radio ${radio:-1}
329macfilter ${macfilter:-0}
330maclist ${maclist:-none}
331wds none
332${wds:+wds $wds}
333country ${country:-US}
334${channel:+channel $channel}
335maxassoc ${maxassoc:-128}
336slottime ${slottime:--1}
337${frameburst:+frameburst $frameburst}
338
339$vif_pre_up
340up
341$vif_post_up
342EOF
343    eval "$if_up"
344    wlc ifname "$device" stdin <<EOF
345$vif_do_up
346EOF
347
348    # use vif_txpower (from last wifi-iface) instead of txpower (from
349    # wifi-device) if the latter does not exist
350    txpower=${txpower:-$vif_txpower}
351    [ -z "$txpower" ] || iwconfig $device txpower ${txpower}dBm
352
353    eval "$nas_cmd"
354}
355
356
357detect_broadcom() {
358    local i=-1
359
360    while grep -qs "^ *wl$((++i)):" /proc/net/dev; do
361        config_get type wl${i} type
362        [ "$type" = broadcom ] && continue
363        cat <<EOF
364config wifi-device wl${i}
365    option type broadcom
366    option channel 11
367
368    # REMOVE THIS LINE TO ENABLE WIFI:
369    option disabled 1
370
371config wifi-iface
372    option device wl${i}
373    option network lan
374    option mode ap
375    option ssid OpenWrt${i#0}
376    option encryption none
377
378EOF
379    done
380}
381

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