return (1 << ecw) - 1;
}
-static u32 chandef_downgrade(struct cfg80211_chan_def *c)
-{
- u32 ret;
- int tmp;
-
- switch (c->width) {
- case NL80211_CHAN_WIDTH_20:
- c->width = NL80211_CHAN_WIDTH_20_NOHT;
- ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT;
- break;
- case NL80211_CHAN_WIDTH_40:
- c->width = NL80211_CHAN_WIDTH_20;
- c->center_freq1 = c->chan->center_freq;
- ret = IEEE80211_STA_DISABLE_40MHZ |
- IEEE80211_STA_DISABLE_VHT;
- break;
- case NL80211_CHAN_WIDTH_80:
- tmp = (30 + c->chan->center_freq - c->center_freq1)/20;
- /* n_P40 */
- tmp /= 2;
- /* freq_P40 */
- c->center_freq1 = c->center_freq1 - 20 + 40 * tmp;
- c->width = NL80211_CHAN_WIDTH_40;
- ret = IEEE80211_STA_DISABLE_VHT;
- break;
- case NL80211_CHAN_WIDTH_80P80:
- c->center_freq2 = 0;
- c->width = NL80211_CHAN_WIDTH_80;
- ret = IEEE80211_STA_DISABLE_80P80MHZ |
- IEEE80211_STA_DISABLE_160MHZ;
- break;
- case NL80211_CHAN_WIDTH_160:
- /* n_P20 */
- tmp = (70 + c->chan->center_freq - c->center_freq1)/20;
- /* n_P80 */
- tmp /= 4;
- c->center_freq1 = c->center_freq1 - 40 + 80 * tmp;
- c->width = NL80211_CHAN_WIDTH_80;
- ret = IEEE80211_STA_DISABLE_80P80MHZ |
- IEEE80211_STA_DISABLE_160MHZ;
- break;
- default:
- case NL80211_CHAN_WIDTH_20_NOHT:
- WARN_ON_ONCE(1);
- c->width = NL80211_CHAN_WIDTH_20_NOHT;
- ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT;
- break;
- case NL80211_CHAN_WIDTH_5:
- case NL80211_CHAN_WIDTH_10:
- WARN_ON_ONCE(1);
- /* keep c->width */
- ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT;
- break;
- }
-
- WARN_ON_ONCE(!cfg80211_chandef_valid(c));
-
- return ret;
-}
-
static u32
ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
struct ieee80211_supported_band *sband,
break;
}
- ret |= chandef_downgrade(chandef);
+ ret |= ieee80211_chandef_downgrade(chandef);
}
if (chandef->width != vht_chandef.width && !tracking)
*/
if (ifmgd->flags & IEEE80211_STA_DISABLE_80P80MHZ &&
chandef.width == NL80211_CHAN_WIDTH_80P80)
- flags |= chandef_downgrade(&chandef);
+ flags |= ieee80211_chandef_downgrade(&chandef);
if (ifmgd->flags & IEEE80211_STA_DISABLE_160MHZ &&
chandef.width == NL80211_CHAN_WIDTH_160)
- flags |= chandef_downgrade(&chandef);
+ flags |= ieee80211_chandef_downgrade(&chandef);
if (ifmgd->flags & IEEE80211_STA_DISABLE_40MHZ &&
chandef.width > NL80211_CHAN_WIDTH_20)
- flags |= chandef_downgrade(&chandef);
+ flags |= ieee80211_chandef_downgrade(&chandef);
if (cfg80211_chandef_identical(&chandef, &sdata->vif.bss_conf.chandef))
return 0;
if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
- if (ifmgd->flags & (IEEE80211_STA_BEACON_POLL |
- IEEE80211_STA_CONNECTION_POLL))
+ if (ifmgd->flags & IEEE80211_STA_CONNECTION_POLL)
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_USE_MINRATE;
ieee80211_tx_skb(sdata, skb);
container_of(work, struct ieee80211_sub_if_data, u.mgd.chswitch_work);
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ u32 changed = 0;
+ int ret;
if (!ieee80211_sdata_running(sdata))
return;
if (!ifmgd->associated)
goto out;
- local->_oper_chandef = local->csa_chandef;
+ ret = ieee80211_vif_change_channel(sdata, &local->csa_chandef,
+ &changed);
+ if (ret) {
+ sdata_info(sdata,
+ "vif channel switch failed, disconnecting\n");
+ ieee80211_queue_work(&sdata->local->hw,
+ &ifmgd->csa_connection_drop_work);
+ goto out;
+ }
- if (!local->ops->channel_switch) {
- /* call "hw_config" only if doing sw channel switch */
- ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
- } else {
- /* update the device channel directly */
- local->hw.conf.chandef = local->_oper_chandef;
+ if (!local->use_chanctx) {
+ local->_oper_chandef = local->csa_chandef;
+ /* Call "hw_config" only if doing sw channel switch.
+ * Otherwise update the channel directly
+ */
+ if (!local->ops->channel_switch)
+ ieee80211_hw_config(local, 0);
+ else
+ local->hw.conf.chandef = local->_oper_chandef;
}
/* XXX: shouldn't really modify cfg80211-owned data! */
- ifmgd->associated->channel = local->_oper_chandef.chan;
+ ifmgd->associated->channel = local->csa_chandef.chan;
/* XXX: wait for a beacon first? */
ieee80211_wake_queues_by_reason(&local->hw,
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
+
+ ieee80211_bss_info_change_notify(sdata, changed);
+
out:
+ sdata->vif.csa_active = false;
ifmgd->flags &= ~IEEE80211_STA_CSA_RECEIVED;
sdata_unlock(sdata);
}
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct cfg80211_bss *cbss = ifmgd->associated;
- struct ieee80211_bss *bss;
struct ieee80211_chanctx *chanctx;
- enum ieee80211_band new_band;
- int new_freq;
- 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;
- const struct ieee80211_ht_operation *ht_oper;
- int secondary_channel_offset = -1;
+ enum ieee80211_band current_band;
+ struct ieee80211_csa_ie csa_ie;
+ int res;
sdata_assert_lock(sdata);
if (ifmgd->flags & IEEE80211_STA_CSA_RECEIVED)
return;
- sec_chan_offs = elems->sec_chan_offs;
- wide_bw_chansw_ie = elems->wide_bw_chansw_ie;
- ht_oper = elems->ht_operation;
-
- if (ifmgd->flags & (IEEE80211_STA_DISABLE_HT |
- IEEE80211_STA_DISABLE_40MHZ)) {
- sec_chan_offs = NULL;
- wide_bw_chansw_ie = NULL;
- /* only used for bandwidth here */
- ht_oper = NULL;
- }
-
- if (ifmgd->flags & IEEE80211_STA_DISABLE_VHT)
- wide_bw_chansw_ie = NULL;
-
- if (elems->ext_chansw_ie) {
- if (!ieee80211_operating_class_to_band(
- elems->ext_chansw_ie->new_operating_class,
- &new_band)) {
- sdata_info(sdata,
- "cannot understand ECSA IE operating class %d, disconnecting\n",
- elems->ext_chansw_ie->new_operating_class);
- ieee80211_queue_work(&local->hw,
- &ifmgd->csa_connection_drop_work);
- }
- new_chan_no = elems->ext_chansw_ie->new_ch_num;
- count = elems->ext_chansw_ie->count;
- mode = elems->ext_chansw_ie->mode;
- } else if (elems->ch_switch_ie) {
- new_band = cbss->channel->band;
- new_chan_no = elems->ch_switch_ie->new_ch_num;
- count = elems->ch_switch_ie->count;
- mode = elems->ch_switch_ie->mode;
- } else {
- /* nothing here we understand */
+ current_band = cbss->channel->band;
+ memset(&csa_ie, 0, sizeof(csa_ie));
+ res = ieee80211_parse_ch_switch_ie(sdata, elems, beacon, current_band,
+ ifmgd->flags,
+ ifmgd->associated->bssid, &csa_ie);
+ if (res < 0)
+ ieee80211_queue_work(&local->hw,
+ &ifmgd->csa_connection_drop_work);
+ if (res)
return;
- }
-
- bss = (void *)cbss->priv;
- new_freq = ieee80211_channel_to_frequency(new_chan_no, new_band);
- new_chan = ieee80211_get_channel(sdata->local->hw.wiphy, new_freq);
- if (!new_chan || new_chan->flags & IEEE80211_CHAN_DISABLED) {
+ if (!cfg80211_chandef_usable(local->hw.wiphy, &csa_ie.chandef,
+ IEEE80211_CHAN_DISABLED)) {
sdata_info(sdata,
- "AP %pM switches to unsupported channel (%d MHz), disconnecting\n",
- ifmgd->associated->bssid, new_freq);
+ "AP %pM switches to unsupported channel (%d MHz, width:%d, CF1/2: %d/%d MHz), disconnecting\n",
+ ifmgd->associated->bssid,
+ csa_ie.chandef.chan->center_freq,
+ csa_ie.chandef.width, csa_ie.chandef.center_freq1,
+ csa_ie.chandef.center_freq2);
ieee80211_queue_work(&local->hw,
&ifmgd->csa_connection_drop_work);
return;
}
- if (!beacon && sec_chan_offs) {
- secondary_channel_offset = sec_chan_offs->sec_chan_offs;
- } else if (beacon && ht_oper) {
- secondary_channel_offset =
- ht_oper->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET;
- } else if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT)) {
- /*
- * If it's not a beacon, HT is enabled and the IE not present,
- * it's 20 MHz, 802.11-2012 8.5.2.6:
- * This element [the Secondary Channel Offset Element] is
- * present when switching to a 40 MHz channel. It may be
- * present when switching to a 20 MHz channel (in which
- * case the secondary channel offset is set to SCN).
- */
- 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_chan,
- NL80211_CHAN_HT20);
- break;
- case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
- cfg80211_chandef_create(&new_chandef, new_chan,
- NL80211_CHAN_HT40PLUS);
- break;
- case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
- cfg80211_chandef_create(&new_chandef, new_chan,
- NL80211_CHAN_HT40MINUS);
- break;
- case -1:
- cfg80211_chandef_create(&new_chandef, new_chan,
- NL80211_CHAN_NO_HT);
- /* keep width for 5/10 MHz channels */
- switch (sdata->vif.bss_conf.chandef.width) {
- case NL80211_CHAN_WIDTH_5:
- case NL80211_CHAN_WIDTH_10:
- new_chandef.width = sdata->vif.bss_conf.chandef.width;
- break;
- default:
- break;
- }
- break;
- }
+ ifmgd->flags |= IEEE80211_STA_CSA_RECEIVED;
+ sdata->vif.csa_active = true;
- 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);
+ mutex_lock(&local->chanctx_mtx);
+ if (local->use_chanctx) {
+ u32 num_chanctx = 0;
+ list_for_each_entry(chanctx, &local->chanctx_list, list)
+ num_chanctx++;
- 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)) {
+ if (num_chanctx > 1 ||
+ !(local->hw.flags & IEEE80211_HW_CHANCTX_STA_CSA)) {
sdata_info(sdata,
- "AP %pM CSA has inconsistent channel data, disconnecting\n",
- ifmgd->associated->bssid);
+ "not handling chan-switch with channel contexts\n");
ieee80211_queue_work(&local->hw,
&ifmgd->csa_connection_drop_work);
+ mutex_unlock(&local->chanctx_mtx);
return;
}
- new_chandef = new_vht_chandef;
- }
-
- if (!cfg80211_chandef_usable(local->hw.wiphy, &new_chandef,
- IEEE80211_CHAN_DISABLED)) {
- sdata_info(sdata,
- "AP %pM switches to unsupported channel (%d MHz, width:%d, CF1/2: %d/%d MHz), disconnecting\n",
- ifmgd->associated->bssid, new_freq,
- new_chandef.width, new_chandef.center_freq1,
- new_chandef.center_freq2);
- ieee80211_queue_work(&local->hw,
- &ifmgd->csa_connection_drop_work);
- return;
}
- ifmgd->flags |= IEEE80211_STA_CSA_RECEIVED;
-
- if (local->use_chanctx) {
- sdata_info(sdata,
- "not handling channel switch with channel contexts\n");
+ if (WARN_ON(!rcu_access_pointer(sdata->vif.chanctx_conf))) {
ieee80211_queue_work(&local->hw,
&ifmgd->csa_connection_drop_work);
- return;
- }
-
- mutex_lock(&local->chanctx_mtx);
- if (WARN_ON(!rcu_access_pointer(sdata->vif.chanctx_conf))) {
mutex_unlock(&local->chanctx_mtx);
return;
}
}
mutex_unlock(&local->chanctx_mtx);
- local->csa_chandef = new_chandef;
+ local->csa_chandef = csa_ie.chandef;
- if (mode)
+ if (csa_ie.mode)
ieee80211_stop_queues_by_reason(&local->hw,
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
/* use driver's channel switch callback */
struct ieee80211_channel_switch ch_switch = {
.timestamp = timestamp,
- .block_tx = mode,
- .chandef = new_chandef,
- .count = count,
+ .block_tx = csa_ie.mode,
+ .chandef = csa_ie.chandef,
+ .count = csa_ie.count,
};
drv_channel_switch(local, &ch_switch);
}
/* channel switch handled in software */
- if (count <= 1)
+ if (csa_ie.count <= 1)
ieee80211_queue_work(&local->hw, &ifmgd->chswitch_work);
else
mod_timer(&ifmgd->chswitch_timer,
- TU_TO_EXP_TIME(count * cbss->beacon_interval));
+ TU_TO_EXP_TIME(csa_ie.count * cbss->beacon_interval));
}
static u32 ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata,
if (!mgd->associated)
return false;
- if (mgd->flags & (IEEE80211_STA_BEACON_POLL |
- IEEE80211_STA_CONNECTION_POLL))
+ if (mgd->flags & IEEE80211_STA_CONNECTION_POLL)
return false;
if (!mgd->have_beacon)
{
lockdep_assert_held(&sdata->local->mtx);
- sdata->u.mgd.flags &= ~(IEEE80211_STA_CONNECTION_POLL |
- IEEE80211_STA_BEACON_POLL);
+ sdata->u.mgd.flags &= ~IEEE80211_STA_CONNECTION_POLL;
ieee80211_run_deferred_scan(sdata->local);
}
struct ieee80211_local *local = sdata->local;
mutex_lock(&local->mtx);
- if (!(ifmgd->flags & (IEEE80211_STA_BEACON_POLL |
- IEEE80211_STA_CONNECTION_POLL))) {
- mutex_unlock(&local->mtx);
- return;
- }
+ if (!(ifmgd->flags & IEEE80211_STA_CONNECTION_POLL))
+ goto out;
__ieee80211_stop_poll(sdata);
* because otherwise we would reset the timer every time and
* never check whether we received a probe response!
*/
- if (ifmgd->flags & (IEEE80211_STA_BEACON_POLL |
- IEEE80211_STA_CONNECTION_POLL))
+ if (ifmgd->flags & IEEE80211_STA_CONNECTION_POLL)
already = true;
- if (beacon)
- ifmgd->flags |= IEEE80211_STA_BEACON_POLL;
- else
- ifmgd->flags |= IEEE80211_STA_CONNECTION_POLL;
-
mutex_unlock(&sdata->local->mtx);
if (already)
WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
true, frame_buf);
ifmgd->flags &= ~IEEE80211_STA_CSA_RECEIVED;
+ sdata->vif.csa_active = false;
ieee80211_wake_queues_by_reason(&sdata->local->hw,
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
*/
ifmgd->wmm_last_param_set = -1;
- if (elems.wmm_param)
+ if (!(ifmgd->flags & IEEE80211_STA_DISABLE_WMM) && elems.wmm_param)
ieee80211_sta_wmm_params(local, sdata, elems.wmm_param,
elems.wmm_param_len);
else
}
}
- if (ifmgd->flags & IEEE80211_STA_BEACON_POLL) {
+ if (ifmgd->flags & IEEE80211_STA_CONNECTION_POLL) {
mlme_dbg_ratelimited(sdata,
"cancelling AP probe due to a received beacon\n");
- mutex_lock(&local->mtx);
- ifmgd->flags &= ~IEEE80211_STA_BEACON_POLL;
- ieee80211_run_deferred_scan(local);
- mutex_unlock(&local->mtx);
-
- mutex_lock(&local->iflist_mtx);
- ieee80211_recalc_ps(local, -1);
- mutex_unlock(&local->iflist_mtx);
+ ieee80211_reset_ap_probe(sdata);
}
/*
ieee80211_sta_process_chanswitch(sdata, rx_status->mactime,
&elems, true);
- if (ieee80211_sta_wmm_params(local, sdata, elems.wmm_param,
+ if (!(ifmgd->flags & IEEE80211_STA_DISABLE_WMM) &&
+ ieee80211_sta_wmm_params(local, sdata, elems.wmm_param,
elems.wmm_param_len))
changed |= BSS_CHANGED_QOS;
} else if (ifmgd->assoc_data && ifmgd->assoc_data->timeout_started)
run_again(sdata, ifmgd->assoc_data->timeout);
- if (ifmgd->flags & (IEEE80211_STA_BEACON_POLL |
- IEEE80211_STA_CONNECTION_POLL) &&
+ if (ifmgd->flags & IEEE80211_STA_CONNECTION_POLL &&
ifmgd->associated) {
u8 bssid[ETH_ALEN];
int max_tries;
ieee80211_beacon_connection_loss_work);
INIT_WORK(&ifmgd->csa_connection_drop_work,
ieee80211_csa_connection_drop_work);
- INIT_WORK(&ifmgd->request_smps_work, ieee80211_request_smps_work);
+ INIT_WORK(&ifmgd->request_smps_work, ieee80211_request_smps_mgd_work);
setup_timer(&ifmgd->timer, ieee80211_sta_timer,
(unsigned long) sdata);
setup_timer(&ifmgd->bcn_mon_timer, ieee80211_sta_bcn_mon_timer,
return ret;
while (ret && chandef.width != NL80211_CHAN_WIDTH_20_NOHT) {
- ifmgd->flags |= chandef_downgrade(&chandef);
+ ifmgd->flags |= ieee80211_chandef_downgrade(&chandef);
ret = ieee80211_vif_use_channel(sdata, &chandef,
IEEE80211_CHANCTX_SHARED);
}
return err;
}
+static bool ieee80211_usable_wmm_params(struct ieee80211_sub_if_data *sdata,
+ const u8 *wmm_param, int len)
+{
+ const u8 *pos;
+ size_t left;
+
+ if (len < 8)
+ return false;
+
+ if (wmm_param[5] != 1 /* version */)
+ return false;
+
+ pos = wmm_param + 8;
+ left = len - 8;
+
+ for (; left >= 4; left -= 4, pos += 4) {
+ u8 aifsn = pos[0] & 0x0f;
+ u8 ecwmin = pos[1] & 0x0f;
+ u8 ecwmax = (pos[1] & 0xf0) >> 4;
+ int aci = (pos[0] >> 5) & 0x03;
+
+ if (aifsn < 2) {
+ sdata_info(sdata,
+ "AP has invalid WMM params (AIFSN=%d for ACI %d), disabling WMM\n",
+ aifsn, aci);
+ return false;
+ }
+ if (ecwmin > ecwmax) {
+ sdata_info(sdata,
+ "AP has invalid WMM params (ECWmin/max=%d/%d for ACI %d), disabling WMM\n",
+ ecwmin, ecwmax, aci);
+ return false;
+ }
+ }
+
+ return true;
+}
+
int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
struct cfg80211_assoc_request *req)
{
}
/* prepare assoc data */
-
+
ifmgd->beacon_crc_valid = false;
+ assoc_data->wmm = bss->wmm_used &&
+ (local->hw.queues >= IEEE80211_NUM_ACS);
+ if (assoc_data->wmm) {
+ /* try to check validity of WMM params IE */
+ const struct cfg80211_bss_ies *ies;
+ const u8 *wp, *start, *end;
+
+ rcu_read_lock();
+ ies = rcu_dereference(req->bss->ies);
+ start = ies->data;
+ end = start + ies->len;
+
+ while (true) {
+ wp = cfg80211_find_vendor_ie(
+ WLAN_OUI_MICROSOFT,
+ WLAN_OUI_TYPE_MICROSOFT_WMM,
+ start, end - start);
+ if (!wp)
+ break;
+ start = wp + wp[1] + 2;
+ /* if this IE is too short, try the next */
+ if (wp[1] <= 4)
+ continue;
+ /* if this IE is WMM params, we found what we wanted */
+ if (wp[6] == 1)
+ break;
+ }
+
+ if (!wp || !ieee80211_usable_wmm_params(sdata, wp + 2,
+ wp[1] - 2)) {
+ assoc_data->wmm = false;
+ ifmgd->flags |= IEEE80211_STA_DISABLE_WMM;
+ }
+ rcu_read_unlock();
+ }
+
/*
* IEEE802.11n does not allow TKIP/WEP as pairwise ciphers in HT mode.
* We still associate in non-HT mode (11a/b/g) if any one of these
/* Also disable HT if we don't support it or the AP doesn't use WMM */
sband = local->hw.wiphy->bands[req->bss->channel->band];
if (!sband->ht_cap.ht_supported ||
- local->hw.queues < IEEE80211_NUM_ACS || !bss->wmm_used) {
+ local->hw.queues < IEEE80211_NUM_ACS || !bss->wmm_used ||
+ ifmgd->flags & IEEE80211_STA_DISABLE_WMM) {
ifmgd->flags |= IEEE80211_STA_DISABLE_HT;
- if (!bss->wmm_used)
+ if (!bss->wmm_used &&
+ !(ifmgd->flags & IEEE80211_STA_DISABLE_WMM))
netdev_info(sdata->dev,
"disabling HT as WMM/QoS is not supported by the AP\n");
}
/* disable VHT if we don't support it or the AP doesn't use WMM */
if (!sband->vht_cap.vht_supported ||
- local->hw.queues < IEEE80211_NUM_ACS || !bss->wmm_used) {
+ local->hw.queues < IEEE80211_NUM_ACS || !bss->wmm_used ||
+ ifmgd->flags & IEEE80211_STA_DISABLE_WMM) {
ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
- if (!bss->wmm_used)
+ if (!bss->wmm_used &&
+ !(ifmgd->flags & IEEE80211_STA_DISABLE_WMM))
netdev_info(sdata->dev,
"disabling VHT as WMM/QoS is not supported by the AP\n");
}
sdata->smps_mode = ifmgd->req_smps;
assoc_data->capability = req->bss->capability;
- assoc_data->wmm = bss->wmm_used &&
- (local->hw.queues >= IEEE80211_NUM_ACS);
assoc_data->supp_rates = bss->supp_rates;
assoc_data->supp_rates_len = bss->supp_rates_len;
projects / ~andy / linux / blobdiff