WLAN_EID_QOS_CAPA,
WLAN_EID_RRM_ENABLED_CAPABILITIES,
WLAN_EID_MOBILITY_DOMAIN,
+ WLAN_EID_FAST_BSS_TRANSITION, /* reassoc only */
+ WLAN_EID_RIC_DATA, /* reassoc only */
WLAN_EID_SUPPORTED_REGULATORY_CLASSES,
};
- noffset = ieee80211_ie_split(assoc_data->ie, assoc_data->ie_len,
- before_ht, ARRAY_SIZE(before_ht),
- offset);
+ static const u8 after_ric[] = {
+ WLAN_EID_SUPPORTED_REGULATORY_CLASSES,
+ WLAN_EID_HT_CAPABILITY,
+ WLAN_EID_BSS_COEX_2040,
+ WLAN_EID_EXT_CAPABILITY,
+ WLAN_EID_QOS_TRAFFIC_CAPA,
+ WLAN_EID_TIM_BCAST_REQ,
+ WLAN_EID_INTERWORKING,
+ /* 60GHz doesn't happen right now */
+ WLAN_EID_VHT_CAPABILITY,
+ WLAN_EID_OPMODE_NOTIF,
+ };
+
+ noffset = ieee80211_ie_split_ric(assoc_data->ie,
+ assoc_data->ie_len,
+ before_ht,
+ ARRAY_SIZE(before_ht),
+ after_ric,
+ ARRAY_SIZE(after_ric),
+ offset);
pos = skb_put(skb, noffset - offset);
memcpy(pos, assoc_data->ie + offset, noffset - offset);
offset = noffset;
WLAN_EID_TIM_BCAST_REQ,
WLAN_EID_INTERWORKING,
};
+
+ /* RIC already taken above, so no need to handle here anymore */
noffset = ieee80211_ie_split(assoc_data->ie, assoc_data->ie_len,
before_vht, ARRAY_SIZE(before_vht),
offset);
/* XXX: shouldn't really modify cfg80211-owned data! */
ifmgd->associated->channel = sdata->csa_chandef.chan;
- sdata->vif.csa_active = false;
-
- /* XXX: wait for a beacon first? */
- if (sdata->csa_block_tx) {
- ieee80211_wake_vif_queues(local, sdata,
- IEEE80211_QUEUE_STOP_REASON_CSA);
- sdata->csa_block_tx = false;
- }
+ ifmgd->csa_waiting_bcn = true;
ieee80211_sta_reset_beacon_monitor(sdata);
ieee80211_sta_reset_conn_monitor(sdata);
sdata_unlock(sdata);
}
+static void ieee80211_chswitch_post_beacon(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ int ret;
+
+ sdata_assert_lock(sdata);
+
+ WARN_ON(!sdata->vif.csa_active);
+
+ if (sdata->csa_block_tx) {
+ ieee80211_wake_vif_queues(local, sdata,
+ IEEE80211_QUEUE_STOP_REASON_CSA);
+ sdata->csa_block_tx = false;
+ }
+
+ sdata->vif.csa_active = false;
+ ifmgd->csa_waiting_bcn = false;
+
+ ret = drv_post_channel_switch(sdata);
+ if (ret) {
+ sdata_info(sdata,
+ "driver post channel switch failed, disconnecting\n");
+ ieee80211_queue_work(&local->hw,
+ &ifmgd->csa_connection_drop_work);
+ return;
+ }
+}
+
void ieee80211_chswitch_done(struct ieee80211_vif *vif, bool success)
{
struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
static void
ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
- u64 timestamp, struct ieee802_11_elems *elems,
+ u64 timestamp, u32 device_timestamp,
+ struct ieee802_11_elems *elems,
bool beacon)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_chanctx *chanctx;
enum ieee80211_band current_band;
struct ieee80211_csa_ie csa_ie;
+ struct ieee80211_channel_switch ch_switch;
int res;
sdata_assert_lock(sdata);
chanctx = container_of(conf, struct ieee80211_chanctx, conf);
- if (local->use_chanctx) {
- u32 num_chanctx = 0;
- list_for_each_entry(chanctx, &local->chanctx_list, list)
- num_chanctx++;
+ if (local->use_chanctx &&
+ !(local->hw.flags & IEEE80211_HW_CHANCTX_STA_CSA)) {
+ sdata_info(sdata,
+ "driver doesn't support chan-switch with channel contexts\n");
+ ieee80211_queue_work(&local->hw,
+ &ifmgd->csa_connection_drop_work);
+ mutex_unlock(&local->chanctx_mtx);
+ mutex_unlock(&local->mtx);
+ return;
+ }
- if (num_chanctx > 1 ||
- !(local->hw.flags & IEEE80211_HW_CHANCTX_STA_CSA)) {
- sdata_info(sdata,
- "not handling chan-switch with channel contexts\n");
- ieee80211_queue_work(&local->hw,
- &ifmgd->csa_connection_drop_work);
- mutex_unlock(&local->chanctx_mtx);
- mutex_unlock(&local->mtx);
- return;
- }
+ ch_switch.timestamp = timestamp;
+ ch_switch.device_timestamp = device_timestamp;
+ ch_switch.block_tx = csa_ie.mode;
+ ch_switch.chandef = csa_ie.chandef;
+ ch_switch.count = csa_ie.count;
+
+ if (drv_pre_channel_switch(sdata, &ch_switch)) {
+ sdata_info(sdata,
+ "preparing for channel switch failed, disconnecting\n");
+ ieee80211_queue_work(&local->hw,
+ &ifmgd->csa_connection_drop_work);
+ mutex_unlock(&local->chanctx_mtx);
+ mutex_unlock(&local->mtx);
+ return;
}
res = ieee80211_vif_reserve_chanctx(sdata, &csa_ie.chandef,
if (local->ops->channel_switch) {
/* use driver's channel switch callback */
- struct ieee80211_channel_switch ch_switch = {
- .timestamp = timestamp,
- .block_tx = csa_ie.mode,
- .chandef = csa_ie.chandef,
- .count = csa_ie.count,
- };
-
- drv_channel_switch(local, &ch_switch);
+ drv_channel_switch(local, sdata, &ch_switch);
return;
}
mutex_unlock(&sdata->local->mtx);
}
+static bool
+__ieee80211_sta_handle_tspec_ac_params(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ bool ret;
+ int ac;
+
+ if (local->hw.queues < IEEE80211_NUM_ACS)
+ return false;
+
+ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
+ struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
+ int non_acm_ac;
+ unsigned long now = jiffies;
+
+ if (tx_tspec->action == TX_TSPEC_ACTION_NONE &&
+ tx_tspec->admitted_time &&
+ time_after(now, tx_tspec->time_slice_start + HZ)) {
+ tx_tspec->consumed_tx_time = 0;
+ tx_tspec->time_slice_start = now;
+
+ if (tx_tspec->downgraded)
+ tx_tspec->action =
+ TX_TSPEC_ACTION_STOP_DOWNGRADE;
+ }
+
+ switch (tx_tspec->action) {
+ case TX_TSPEC_ACTION_STOP_DOWNGRADE:
+ /* take the original parameters */
+ if (drv_conf_tx(local, sdata, ac, &sdata->tx_conf[ac]))
+ sdata_err(sdata,
+ "failed to set TX queue parameters for queue %d\n",
+ ac);
+ tx_tspec->action = TX_TSPEC_ACTION_NONE;
+ tx_tspec->downgraded = false;
+ ret = true;
+ break;
+ case TX_TSPEC_ACTION_DOWNGRADE:
+ if (time_after(now, tx_tspec->time_slice_start + HZ)) {
+ tx_tspec->action = TX_TSPEC_ACTION_NONE;
+ ret = true;
+ break;
+ }
+ /* downgrade next lower non-ACM AC */
+ for (non_acm_ac = ac + 1;
+ non_acm_ac < IEEE80211_NUM_ACS;
+ non_acm_ac++)
+ if (!(sdata->wmm_acm & BIT(7 - 2 * non_acm_ac)))
+ break;
+ /* The loop will result in using BK even if it requires
+ * admission control, such configuration makes no sense
+ * and we have to transmit somehow - the AC selection
+ * does the same thing.
+ */
+ if (drv_conf_tx(local, sdata, ac,
+ &sdata->tx_conf[non_acm_ac]))
+ sdata_err(sdata,
+ "failed to set TX queue parameters for queue %d\n",
+ ac);
+ tx_tspec->action = TX_TSPEC_ACTION_NONE;
+ ret = true;
+ schedule_delayed_work(&ifmgd->tx_tspec_wk,
+ tx_tspec->time_slice_start + HZ - now + 1);
+ break;
+ case TX_TSPEC_ACTION_NONE:
+ /* nothing now */
+ break;
+ }
+ }
+
+ return ret;
+}
+
+void ieee80211_sta_handle_tspec_ac_params(struct ieee80211_sub_if_data *sdata)
+{
+ if (__ieee80211_sta_handle_tspec_ac_params(sdata))
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
+}
+
+static void ieee80211_sta_handle_tspec_ac_params_wk(struct work_struct *work)
+{
+ struct ieee80211_sub_if_data *sdata;
+
+ sdata = container_of(work, struct ieee80211_sub_if_data,
+ u.mgd.tx_tspec_wk.work);
+ ieee80211_sta_handle_tspec_ac_params(sdata);
+}
+
/* MLME */
static bool ieee80211_sta_wmm_params(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
params.uapsd = uapsd;
mlme_dbg(sdata,
- "WMM queue=%d aci=%d acm=%d aifs=%d cWmin=%d cWmax=%d txop=%d uapsd=%d\n",
+ "WMM queue=%d aci=%d acm=%d aifs=%d cWmin=%d cWmax=%d txop=%d uapsd=%d, downgraded=%d\n",
queue, aci, acm,
params.aifs, params.cw_min, params.cw_max,
- params.txop, params.uapsd);
+ params.txop, params.uapsd,
+ ifmgd->tx_tspec[queue].downgraded);
sdata->tx_conf[queue] = params;
- if (drv_conf_tx(local, sdata, queue, ¶ms))
+ if (!ifmgd->tx_tspec[queue].downgraded &&
+ drv_conf_tx(local, sdata, queue, ¶ms))
sdata_err(sdata,
"failed to set TX queue parameters for queue %d\n",
queue);
ieee80211_vif_release_channel(sdata);
sdata->vif.csa_active = false;
+ ifmgd->csa_waiting_bcn = false;
if (sdata->csa_block_tx) {
ieee80211_wake_vif_queues(local, sdata,
IEEE80211_QUEUE_STOP_REASON_CSA);
}
mutex_unlock(&local->mtx);
+ /* existing TX TSPEC sessions no longer exist */
+ memset(ifmgd->tx_tspec, 0, sizeof(ifmgd->tx_tspec));
+ cancel_delayed_work_sync(&ifmgd->tx_tspec_wk);
+
sdata->encrypt_headroom = IEEE80211_ENCRYPT_HEADROOM;
}
mutex_unlock(&local->mtx);
}
+static void ieee80211_sta_tx_wmm_ac_notify(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_hdr *hdr,
+ u16 tx_time)
+{
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ u16 tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK;
+ int ac = ieee80211_ac_from_tid(tid);
+ struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
+ unsigned long now = jiffies;
+
+ if (likely(!tx_tspec->admitted_time))
+ return;
+
+ if (time_after(now, tx_tspec->time_slice_start + HZ)) {
+ tx_tspec->consumed_tx_time = 0;
+ tx_tspec->time_slice_start = now;
+
+ if (tx_tspec->downgraded) {
+ tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
+ schedule_delayed_work(&ifmgd->tx_tspec_wk, 0);
+ }
+ }
+
+ if (tx_tspec->downgraded)
+ return;
+
+ tx_tspec->consumed_tx_time += tx_time;
+
+ if (tx_tspec->consumed_tx_time >= tx_tspec->admitted_time) {
+ tx_tspec->downgraded = true;
+ tx_tspec->action = TX_TSPEC_ACTION_DOWNGRADE;
+ schedule_delayed_work(&ifmgd->tx_tspec_wk, 0);
+ }
+}
+
void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_hdr *hdr, bool ack)
+ struct ieee80211_hdr *hdr, bool ack, u16 tx_time)
{
+ ieee80211_sta_tx_wmm_ac_notify(sdata, hdr, tx_time);
+
if (!ieee80211_is_data(hdr->frame_control))
return;
ifmgd->probe_timeout = jiffies + msecs_to_jiffies(probe_wait_ms);
run_again(sdata, ifmgd->probe_timeout);
- if (sdata->local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
- ieee80211_flush_queues(sdata->local, sdata);
}
static void ieee80211_mgd_probe_ap(struct ieee80211_sub_if_data *sdata,
true, frame_buf);
mutex_lock(&local->mtx);
sdata->vif.csa_active = false;
+ ifmgd->csa_waiting_bcn = false;
if (sdata->csa_block_tx) {
ieee80211_wake_vif_queues(local, sdata,
IEEE80211_QUEUE_STOP_REASON_CSA);
}
}
+ if (ifmgd->csa_waiting_bcn)
+ ieee80211_chswitch_post_beacon(sdata);
+
if (ncrc == ifmgd->beacon_crc && ifmgd->beacon_crc_valid)
return;
ifmgd->beacon_crc = ncrc;
ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems);
ieee80211_sta_process_chanswitch(sdata, rx_status->mactime,
+ rx_status->device_timestamp,
&elems, true);
if (!(ifmgd->flags & IEEE80211_STA_DISABLE_WMM) &&
break;
ieee80211_sta_process_chanswitch(sdata,
- rx_status->mactime,
- &elems, false);
+ rx_status->mactime,
+ rx_status->device_timestamp,
+ &elems, false);
} else if (mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) {
ies_len = skb->len -
offsetof(struct ieee80211_mgmt,
&mgmt->u.action.u.ext_chan_switch.data;
ieee80211_sta_process_chanswitch(sdata,
- rx_status->mactime,
- &elems, false);
+ rx_status->mactime,
+ rx_status->device_timestamp,
+ &elems, false);
}
break;
}
struct ieee80211_sub_if_data *sdata =
(struct ieee80211_sub_if_data *) data;
struct ieee80211_local *local = sdata->local;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
if (local->quiescing)
return;
- if (sdata->vif.csa_active)
+ if (sdata->vif.csa_active && !ifmgd->csa_waiting_bcn)
return;
sdata->u.mgd.connection_loss = false;
if (local->quiescing)
return;
- if (sdata->vif.csa_active)
+ if (sdata->vif.csa_active && !ifmgd->csa_waiting_bcn)
return;
ieee80211_queue_work(&local->hw, &ifmgd->monitor_work);
(unsigned long) sdata);
setup_timer(&ifmgd->chswitch_timer, ieee80211_chswitch_timer,
(unsigned long) sdata);
+ INIT_DELAYED_WORK(&ifmgd->tx_tspec_wk,
+ ieee80211_sta_handle_tspec_ac_params_wk);
ifmgd->flags = 0;
ifmgd->powersave = sdata->wdev.ps;
projects / cascardo / linux.git / blobdiff