u8 new_chan_no;
u8 count;
u8 mode;
+ struct ieee80211_channel *new_chan;
struct cfg80211_chan_def new_chandef = {};
+ struct cfg80211_chan_def new_vht_chandef = {};
+ const struct ieee80211_sec_chan_offs_ie *sec_chan_offs;
+ const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie;
int secondary_channel_offset = -1;
ASSERT_MGD_MTX(ifmgd);
if (ifmgd->flags & IEEE80211_STA_CSA_RECEIVED)
return;
- if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT)) {
- /* if HT is enabled and the IE not present, it's still HT */
- secondary_channel_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
- if (elems->sec_chan_offs)
- secondary_channel_offset =
- elems->sec_chan_offs->sec_chan_offs;
+ sec_chan_offs = elems->sec_chan_offs;
+ wide_bw_chansw_ie = elems->wide_bw_chansw_ie;
+
+ if (ifmgd->flags & (IEEE80211_STA_DISABLE_HT |
+ IEEE80211_STA_DISABLE_40MHZ)) {
+ sec_chan_offs = NULL;
+ wide_bw_chansw_ie = NULL;
}
- if (ifmgd->flags & IEEE80211_STA_DISABLE_40MHZ &&
- (secondary_channel_offset == IEEE80211_HT_PARAM_CHA_SEC_ABOVE ||
- secondary_channel_offset == IEEE80211_HT_PARAM_CHA_SEC_BELOW))
- secondary_channel_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
+ if (ifmgd->flags & IEEE80211_STA_DISABLE_VHT)
+ wide_bw_chansw_ie = NULL;
if (elems->ext_chansw_ie) {
if (!ieee80211_operating_class_to_band(
bss = (void *)cbss->priv;
new_freq = ieee80211_channel_to_frequency(new_chan_no, new_band);
- new_chandef.chan = ieee80211_get_channel(sdata->local->hw.wiphy, new_freq);
- if (!new_chandef.chan ||
- new_chandef.chan->flags & IEEE80211_CHAN_DISABLED) {
+ new_chan = ieee80211_get_channel(sdata->local->hw.wiphy, new_freq);
+ if (!new_chan || new_chan->flags & IEEE80211_CHAN_DISABLED) {
sdata_info(sdata,
"AP %pM switches to unsupported channel (%d MHz), disconnecting\n",
ifmgd->associated->bssid, new_freq);
return;
}
+ if (sec_chan_offs) {
+ secondary_channel_offset = sec_chan_offs->sec_chan_offs;
+ } else if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT)) {
+ /* if HT is enabled and the IE not present, it's still HT */
+ secondary_channel_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
+ }
+
switch (secondary_channel_offset) {
default:
/* secondary_channel_offset was present but is invalid */
case IEEE80211_HT_PARAM_CHA_SEC_NONE:
- cfg80211_chandef_create(&new_chandef, new_chandef.chan,
+ cfg80211_chandef_create(&new_chandef, new_chan,
NL80211_CHAN_HT20);
break;
case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
- cfg80211_chandef_create(&new_chandef, new_chandef.chan,
+ cfg80211_chandef_create(&new_chandef, new_chan,
NL80211_CHAN_HT40PLUS);
break;
case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
- cfg80211_chandef_create(&new_chandef, new_chandef.chan,
+ cfg80211_chandef_create(&new_chandef, new_chan,
NL80211_CHAN_HT40MINUS);
break;
case -1:
- cfg80211_chandef_create(&new_chandef, new_chandef.chan,
+ cfg80211_chandef_create(&new_chandef, new_chan,
NL80211_CHAN_NO_HT);
break;
}
+ if (wide_bw_chansw_ie) {
+ new_vht_chandef.chan = new_chan;
+ new_vht_chandef.center_freq1 =
+ ieee80211_channel_to_frequency(
+ wide_bw_chansw_ie->new_center_freq_seg0,
+ new_band);
+
+ switch (wide_bw_chansw_ie->new_channel_width) {
+ default:
+ /* hmmm, ignore VHT and use HT if present */
+ case IEEE80211_VHT_CHANWIDTH_USE_HT:
+ new_vht_chandef.chan = NULL;
+ break;
+ case IEEE80211_VHT_CHANWIDTH_80MHZ:
+ new_vht_chandef.width = NL80211_CHAN_WIDTH_80;
+ break;
+ case IEEE80211_VHT_CHANWIDTH_160MHZ:
+ new_vht_chandef.width = NL80211_CHAN_WIDTH_160;
+ break;
+ case IEEE80211_VHT_CHANWIDTH_80P80MHZ:
+ /* field is otherwise reserved */
+ new_vht_chandef.center_freq2 =
+ ieee80211_channel_to_frequency(
+ wide_bw_chansw_ie->new_center_freq_seg1,
+ new_band);
+ new_vht_chandef.width = NL80211_CHAN_WIDTH_80P80;
+ break;
+ }
+ if (ifmgd->flags & IEEE80211_STA_DISABLE_80P80MHZ &&
+ new_vht_chandef.width == NL80211_CHAN_WIDTH_80P80)
+ chandef_downgrade(&new_vht_chandef);
+ if (ifmgd->flags & IEEE80211_STA_DISABLE_160MHZ &&
+ new_vht_chandef.width == NL80211_CHAN_WIDTH_160)
+ chandef_downgrade(&new_vht_chandef);
+ if (ifmgd->flags & IEEE80211_STA_DISABLE_40MHZ &&
+ new_vht_chandef.width > NL80211_CHAN_WIDTH_20)
+ chandef_downgrade(&new_vht_chandef);
+ }
+
+ /* if VHT data is there validate & use it */
+ if (new_vht_chandef.chan) {
+ if (!cfg80211_chandef_compatible(&new_vht_chandef,
+ &new_chandef)) {
+ sdata_info(sdata,
+ "AP %pM CSA has inconsistent channel data, disconnecting\n",
+ ifmgd->associated->bssid);
+ ieee80211_queue_work(&local->hw,
+ &ifmgd->csa_connection_drop_work);
+ return;
+ }
+ new_chandef = new_vht_chandef;
+ }
+
if (!cfg80211_chandef_usable(local->hw.wiphy, &new_chandef,
IEEE80211_CHAN_DISABLED)) {
sdata_info(sdata,
params.cw_max = ecw2cw((pos[1] & 0xf0) >> 4);
params.cw_min = ecw2cw(pos[1] & 0x0f);
params.txop = get_unaligned_le16(pos + 2);
+ params.acm = acm;
params.uapsd = uapsd;
mlme_dbg(sdata,
trace_api_beacon_loss(sdata);
- WARN_ON(hw->flags & IEEE80211_HW_CONNECTION_MONITOR);
sdata->u.mgd.connection_loss = false;
ieee80211_queue_work(hw, &sdata->u.mgd.beacon_connection_loss_work);
}
u32 tx_flags = 0;
pos = mgmt->u.auth.variable;
- ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems);
+ ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), false, &elems);
if (!elems.challenge)
return;
auth_data->expected_transaction = 4;
}
pos = mgmt->u.assoc_resp.variable;
- ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems);
+ ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), false, &elems);
if (!elems.supp_rates) {
sdata_info(sdata, "no SuppRates element in AssocResp\n");
capab_info, status_code, (u16)(aid & ~(BIT(15) | BIT(14))));
pos = mgmt->u.assoc_resp.variable;
- ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems);
+ ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), false, &elems);
if (status_code == WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY &&
elems.timeout_int &&
return;
ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
- &elems);
+ false, &elems);
ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems);
if (ifmgd->assoc_data && ifmgd->assoc_data->need_beacon &&
ether_addr_equal(mgmt->bssid, ifmgd->assoc_data->bss->bssid)) {
ieee802_11_parse_elems(mgmt->u.beacon.variable,
- len - baselen, &elems);
+ len - baselen, false, &elems);
ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems);
ifmgd->assoc_data->have_beacon = true;
ncrc = crc32_be(0, (void *)&mgmt->u.beacon.beacon_int, 4);
ncrc = ieee802_11_parse_elems_crc(mgmt->u.beacon.variable,
- len - baselen, &elems,
+ len - baselen, false, &elems,
care_about_ies, ncrc);
if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) {
ieee802_11_parse_elems(
mgmt->u.action.u.chan_switch.variable,
- ies_len, &elems);
+ ies_len, true, &elems);
if (elems.parse_error)
break;
ieee802_11_parse_elems(
mgmt->u.action.u.ext_chan_switch.variable,
- ies_len, &elems);
+ ies_len, true, &elems);
if (elems.parse_error)
break;
/* Restart STA timers */
rcu_read_lock();
- list_for_each_entry_rcu(sdata, &local->interfaces, list)
- ieee80211_restart_sta_timer(sdata);
+ list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+ if (ieee80211_sdata_running(sdata))
+ ieee80211_restart_sta_timer(sdata);
+ }
rcu_read_unlock();
}
/* prep auth_data so we don't go into idle on disassoc */
ifmgd->auth_data = auth_data;
- if (ifmgd->associated)
- ieee80211_set_disassoc(sdata, 0, 0, false, NULL);
+ if (ifmgd->associated) {
+ u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
+
+ ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
+ WLAN_REASON_UNSPECIFIED,
+ false, frame_buf);
+
+ __cfg80211_send_deauth(sdata->dev, frame_buf,
+ sizeof(frame_buf));
+ }
sdata_info(sdata, "authenticate with %pM\n", req->bss->bssid);
mutex_lock(&ifmgd->mtx);
- if (ifmgd->associated)
- ieee80211_set_disassoc(sdata, 0, 0, false, NULL);
+ if (ifmgd->associated) {
+ u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
+
+ ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
+ WLAN_REASON_UNSPECIFIED,
+ false, frame_buf);
+
+ __cfg80211_send_deauth(sdata->dev, frame_buf,
+ sizeof(frame_buf));
+ }
if (ifmgd->auth_data && !ifmgd->auth_data->done) {
err = -EBUSY;
projects / firefly-linux-kernel-4.4.55.git / blobdiff