diff options
Diffstat (limited to 'net/mac80211/spectmgmt.c')
-rw-r--r-- | net/mac80211/spectmgmt.c | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/net/mac80211/spectmgmt.c b/net/mac80211/spectmgmt.c index 48bf78e7fa7a..68953033403d 100644 --- a/net/mac80211/spectmgmt.c +++ b/net/mac80211/spectmgmt.c | |||
@@ -84,104 +84,3 @@ void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, | |||
84 | mgmt->sa, mgmt->bssid, | 84 | mgmt->sa, mgmt->bssid, |
85 | mgmt->u.action.u.measurement.dialog_token); | 85 | mgmt->u.action.u.measurement.dialog_token); |
86 | } | 86 | } |
87 | |||
88 | void ieee80211_chswitch_work(struct work_struct *work) | ||
89 | { | ||
90 | struct ieee80211_sub_if_data *sdata = | ||
91 | container_of(work, struct ieee80211_sub_if_data, u.mgd.chswitch_work); | ||
92 | struct ieee80211_bss *bss; | ||
93 | struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; | ||
94 | |||
95 | if (!netif_running(sdata->dev)) | ||
96 | return; | ||
97 | |||
98 | bss = ieee80211_rx_bss_get(sdata->local, ifmgd->bssid, | ||
99 | sdata->local->hw.conf.channel->center_freq, | ||
100 | ifmgd->ssid, ifmgd->ssid_len); | ||
101 | if (!bss) | ||
102 | goto exit; | ||
103 | |||
104 | sdata->local->oper_channel = sdata->local->csa_channel; | ||
105 | /* XXX: shouldn't really modify cfg80211-owned data! */ | ||
106 | if (!ieee80211_hw_config(sdata->local, IEEE80211_CONF_CHANGE_CHANNEL)) | ||
107 | bss->cbss.channel = sdata->local->oper_channel; | ||
108 | |||
109 | ieee80211_rx_bss_put(sdata->local, bss); | ||
110 | exit: | ||
111 | ifmgd->flags &= ~IEEE80211_STA_CSA_RECEIVED; | ||
112 | ieee80211_wake_queues_by_reason(&sdata->local->hw, | ||
113 | IEEE80211_QUEUE_STOP_REASON_CSA); | ||
114 | } | ||
115 | |||
116 | void ieee80211_chswitch_timer(unsigned long data) | ||
117 | { | ||
118 | struct ieee80211_sub_if_data *sdata = | ||
119 | (struct ieee80211_sub_if_data *) data; | ||
120 | struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; | ||
121 | |||
122 | queue_work(sdata->local->hw.workqueue, &ifmgd->chswitch_work); | ||
123 | } | ||
124 | |||
125 | void ieee80211_process_chanswitch(struct ieee80211_sub_if_data *sdata, | ||
126 | struct ieee80211_channel_sw_ie *sw_elem, | ||
127 | struct ieee80211_bss *bss) | ||
128 | { | ||
129 | struct ieee80211_channel *new_ch; | ||
130 | struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; | ||
131 | int new_freq = ieee80211_channel_to_frequency(sw_elem->new_ch_num); | ||
132 | |||
133 | /* FIXME: Handle ADHOC later */ | ||
134 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | ||
135 | return; | ||
136 | |||
137 | if (ifmgd->state != IEEE80211_STA_MLME_ASSOCIATED) | ||
138 | return; | ||
139 | |||
140 | if (sdata->local->sw_scanning || sdata->local->hw_scanning) | ||
141 | return; | ||
142 | |||
143 | /* Disregard subsequent beacons if we are already running a timer | ||
144 | processing a CSA */ | ||
145 | |||
146 | if (ifmgd->flags & IEEE80211_STA_CSA_RECEIVED) | ||
147 | return; | ||
148 | |||
149 | new_ch = ieee80211_get_channel(sdata->local->hw.wiphy, new_freq); | ||
150 | if (!new_ch || new_ch->flags & IEEE80211_CHAN_DISABLED) | ||
151 | return; | ||
152 | |||
153 | sdata->local->csa_channel = new_ch; | ||
154 | |||
155 | if (sw_elem->count <= 1) { | ||
156 | queue_work(sdata->local->hw.workqueue, &ifmgd->chswitch_work); | ||
157 | } else { | ||
158 | ieee80211_stop_queues_by_reason(&sdata->local->hw, | ||
159 | IEEE80211_QUEUE_STOP_REASON_CSA); | ||
160 | ifmgd->flags |= IEEE80211_STA_CSA_RECEIVED; | ||
161 | mod_timer(&ifmgd->chswitch_timer, | ||
162 | jiffies + | ||
163 | msecs_to_jiffies(sw_elem->count * | ||
164 | bss->cbss.beacon_interval)); | ||
165 | } | ||
166 | } | ||
167 | |||
168 | void ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata, | ||
169 | u16 capab_info, u8 *pwr_constr_elem, | ||
170 | u8 pwr_constr_elem_len) | ||
171 | { | ||
172 | struct ieee80211_conf *conf = &sdata->local->hw.conf; | ||
173 | |||
174 | if (!(capab_info & WLAN_CAPABILITY_SPECTRUM_MGMT)) | ||
175 | return; | ||
176 | |||
177 | /* Power constraint IE length should be 1 octet */ | ||
178 | if (pwr_constr_elem_len != 1) | ||
179 | return; | ||
180 | |||
181 | if ((*pwr_constr_elem <= conf->channel->max_power) && | ||
182 | (*pwr_constr_elem != sdata->local->power_constr_level)) { | ||
183 | sdata->local->power_constr_level = *pwr_constr_elem; | ||
184 | ieee80211_hw_config(sdata->local, 0); | ||
185 | } | ||
186 | } | ||
187 | |||