The cw1200 is a thick-ish MAC that manages many aspects of AP operation
in the firmware. As such, it only supports a limited number of clients.
Signed-off-by: Solomon Peachy <pizza@xxxxxxxxxxxx>
---
drivers/staging/cw1200/ap.c | 1167 +++++++++++++++++++++++++++++++++++++++++++
drivers/staging/cw1200/ap.h | 49 ++
2 files changed, 1216 insertions(+)
create mode 100644 drivers/staging/cw1200/ap.c
create mode 100644 drivers/staging/cw1200/ap.h
diff --git a/drivers/staging/cw1200/ap.c b/drivers/staging/cw1200/ap.c
new file mode 100644
index 0000000..aa7c4d7
--- /dev/null
+++ b/drivers/staging/cw1200/ap.c
@@ -0,0 +1,1167 @@
+/*
+ * mac80211 STA and AP API for mac80211 ST-Ericsson CW1200 drivers
+ *
+ * Copyright (c) 2010, ST-Ericsson
+ * Author: Dmitry Tarnyagin <dmitry.tarnyagin@xxxxxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "cw1200.h"
+#include "sta.h"
+#include "ap.h"
+#include "bh.h"
+
+#if defined(CONFIG_CW1200_STA_DEBUG)
+#define ap_printk(...) printk(__VA_ARGS__)
+#else
+#define ap_printk(...)
+#endif
+
+#define CW1200_LINK_ID_GC_TIMEOUT ((unsigned long)(10 * HZ))
+
+#ifndef ERP_INFO_BYTE_OFFSET
+#define ERP_INFO_BYTE_OFFSET 2
+#endif
+
+static int cw1200_upload_beacon(struct cw1200_common *priv);
+static int cw1200_upload_pspoll(struct cw1200_common *priv);
+static int cw1200_upload_null(struct cw1200_common *priv);
+static int cw1200_start_ap(struct cw1200_common *priv);
+static int cw1200_update_beaconing(struct cw1200_common *priv);
+static int cw1200_enable_beaconing(struct cw1200_common *priv,
+ bool enable);
+static void __cw1200_sta_notify(struct ieee80211_hw *dev,
+ struct ieee80211_vif *vif,
+ enum sta_notify_cmd notify_cmd,
+ int link_id);
+
+/* ******************************************************************** */
+/* AP API */
+
+int cw1200_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct cw1200_common *priv = hw->priv;
+ struct cw1200_sta_priv *sta_priv =
+ (struct cw1200_sta_priv *)&sta->drv_priv;
+ struct cw1200_link_entry *entry;
+ struct sk_buff *skb;
+
+ if (priv->mode != NL80211_IFTYPE_AP)
+ return 0;
+
+ sta_priv->link_id = cw1200_find_link_id(priv, sta->addr);
+ if (WARN_ON(!sta_priv->link_id)) {
+ /* Impossible error */
+ wiphy_info(priv->hw->wiphy,
+ "[AP] No more link IDs available.\n");
+ return -ENOENT;
+ }
+
+ entry = &priv->link_id_db[sta_priv->link_id - 1];
+ spin_lock_bh(&priv->ps_state_lock);
+ if ((sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) ==
+ IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
+ priv->sta_asleep_mask |= BIT(sta_priv->link_id);
+ entry->status = CW1200_LINK_HARD;
+ while ((skb = skb_dequeue(&entry->rx_queue)))
+ ieee80211_rx_irqsafe(priv->hw, skb);
+ spin_unlock_bh(&priv->ps_state_lock);
+ return 0;
+}
+
+int cw1200_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct cw1200_common *priv = hw->priv;
+ struct cw1200_sta_priv *sta_priv =
+ (struct cw1200_sta_priv *)&sta->drv_priv;
+ struct cw1200_link_entry *entry;
+
+ if (priv->mode != NL80211_IFTYPE_AP || !sta_priv->link_id)
+ return 0;
+
+ entry = &priv->link_id_db[sta_priv->link_id - 1];
+ spin_lock_bh(&priv->ps_state_lock);
+ entry->status = CW1200_LINK_RESERVE;
+ entry->timestamp = jiffies;
+ wsm_lock_tx_async(priv);
+ if (queue_work(priv->workqueue, &priv->link_id_work) <= 0)
+ wsm_unlock_tx(priv);
+ spin_unlock_bh(&priv->ps_state_lock);
+ flush_workqueue(priv->workqueue);
+ return 0;
+}
+
+static void __cw1200_sta_notify(struct ieee80211_hw *dev,
+ struct ieee80211_vif *vif,
+ enum sta_notify_cmd notify_cmd,
+ int link_id)
+{
+ struct cw1200_common *priv = dev->priv;
+ u32 bit, prev;
+
+ /* Zero link id means "for all link IDs" */
+ if (link_id)
+ bit = BIT(link_id);
+ else if (WARN_ON_ONCE(notify_cmd != STA_NOTIFY_AWAKE))
+ bit = 0;
+ else
+ bit = priv->link_id_map;
+ prev = priv->sta_asleep_mask & bit;
+
+ switch (notify_cmd) {
+ case STA_NOTIFY_SLEEP:
+ if (!prev) {
+ if (priv->buffered_multicasts &&
+ !priv->sta_asleep_mask)
+ queue_work(priv->workqueue,
+ &priv->multicast_start_work);
+ priv->sta_asleep_mask |= bit;
+ }
+ break;
+ case STA_NOTIFY_AWAKE:
+ if (prev) {
+ priv->sta_asleep_mask &= ~bit;
+ priv->pspoll_mask &= ~bit;
+ if (priv->tx_multicast && link_id &&
+ !priv->sta_asleep_mask)
+ queue_work(priv->workqueue,
+ &priv->multicast_stop_work);
+ cw1200_bh_wakeup(priv);
+ }
+ break;
+ }
+}
+
+void cw1200_sta_notify(struct ieee80211_hw *dev,
+ struct ieee80211_vif *vif,
+ enum sta_notify_cmd notify_cmd,
+ struct ieee80211_sta *sta)
+{
+ struct cw1200_common *priv = dev->priv;
+ struct cw1200_sta_priv *sta_priv =
+ (struct cw1200_sta_priv *)&sta->drv_priv;
+
+ spin_lock_bh(&priv->ps_state_lock);
+ __cw1200_sta_notify(dev, vif, notify_cmd, sta_priv->link_id);
+ spin_unlock_bh(&priv->ps_state_lock);
+}
+
+static void cw1200_ps_notify(struct cw1200_common *priv,
+ int link_id, bool ps)
+{
+ if (link_id > CW1200_MAX_STA_IN_AP_MODE)
+ return;
+
+ txrx_printk(KERN_DEBUG "%s for LinkId: %d. STAs asleep: %.8X\n",
+ ps ? "Stop" : "Start",
+ link_id, priv->sta_asleep_mask);
+
+ __cw1200_sta_notify(priv->hw, priv->vif,
+ ps ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, link_id);
+}
+
+static int cw1200_set_tim_impl(struct cw1200_common *priv, bool aid0_bit_set)
+{
+ struct sk_buff *skb;
+ struct wsm_update_ie update_ie = {
+ .what = WSM_UPDATE_IE_BEACON,
+ .count = 1,
+ };
+ u16 tim_offset, tim_length;
+
+ ap_printk(KERN_DEBUG "[AP] %s mcast: %s.\n",
+ __func__, aid0_bit_set ? "ena" : "dis");
+
+ skb = ieee80211_beacon_get_tim(priv->hw, priv->vif,
+ &tim_offset, &tim_length);
+ if (!skb) {
+ if (!__cw1200_flush(priv, true))
+ wsm_unlock_tx(priv);
+ return -ENOENT;
+ }
+
+ if (tim_offset && tim_length >= 6) {
+ /* Ignore DTIM count from mac80211:
+ * firmware handles DTIM internally. */
+ skb->data[tim_offset + 2] = 0;
+
+ /* Set/reset aid0 bit */
+ if (aid0_bit_set)
+ skb->data[tim_offset + 4] |= 1;
+ else
+ skb->data[tim_offset + 4] &= ~1;
+ }
+
+ update_ie.ies = &skb->data[tim_offset];
+ update_ie.length = tim_length;
+ WARN_ON(wsm_update_ie(priv, &update_ie));
+
+ dev_kfree_skb(skb);
+
+ return 0;
+}
+
+void cw1200_set_tim_work(struct work_struct *work)
+{
+ struct cw1200_common *priv =
+ container_of(work, struct cw1200_common, set_tim_work);
+ (void)cw1200_set_tim_impl(priv, priv->aid0_bit_set);
+}
+
+int cw1200_set_tim(struct ieee80211_hw *dev, struct ieee80211_sta *sta,
+ bool set)
+{
+ struct cw1200_common *priv = dev->priv;
+ queue_work(priv->workqueue, &priv->set_tim_work);
+ return 0;
+}
+
+void cw1200_set_cts_work(struct work_struct *work)
+{
+ struct cw1200_common *priv =
+ container_of(work, struct cw1200_common, set_cts_work.work);
+
+ u8 erp_ie[3] = {WLAN_EID_ERP_INFO, 0x1, 0};
+ struct wsm_update_ie update_ie = {
+ .what = WSM_UPDATE_IE_BEACON,
+ .count = 1,
+ .ies = erp_ie,
+ .length = 3,
+ };
+ u32 erp_info;
+ __le32 use_cts_prot;
+ mutex_lock(&priv->conf_mutex);
+ erp_info = priv->erp_info;
+ mutex_unlock(&priv->conf_mutex);
+ use_cts_prot =
+ erp_info & WLAN_ERP_USE_PROTECTION ?
+ __cpu_to_le32(1) : 0;
+
+ erp_ie[ERP_INFO_BYTE_OFFSET] = erp_info;
+
+ ap_printk(KERN_DEBUG "[STA] ERP information 0x%x\n", erp_info);
+
+ WARN_ON(wsm_write_mib(priv, WSM_MIB_ID_NON_ERP_PROTECTION,
+ &use_cts_prot, sizeof(use_cts_prot)));
+ WARN_ON(wsm_update_ie(priv, &update_ie));
+
+ return;
+}
+
+static int cw1200_set_btcoexinfo(struct cw1200_common *priv)
+{
+ struct wsm_override_internal_txrate arg;
+ int ret = 0;
+
+ if (priv->mode == NL80211_IFTYPE_STATION) {
+ /* Plumb PSPOLL and NULL template */
+ WARN_ON(cw1200_upload_pspoll(priv));
+ WARN_ON(cw1200_upload_null(priv));
+ } else {
+ return 0;
+ }
+
+ memset(&arg, 0, sizeof(struct wsm_override_internal_txrate));
+
+ if (!priv->vif->p2p) {
+ /* STATION mode */
+ if (priv->bss_params.operationalRateSet & ~0xF) {
+ ap_printk(KERN_DEBUG "[STA] STA has ERP rates\n");
+ /* G or BG mode */
+ arg.internalTxRate = (__ffs(
+ priv->bss_params.operationalRateSet & ~0xF));
+ } else {
+ ap_printk(KERN_DEBUG "[STA] STA has non ERP rates\n");
+ /* B only mode */
+ arg.internalTxRate = (__ffs(
+ priv->association_mode.basicRateSet));
+ }
+ arg.nonErpInternalTxRate = (__ffs(
+ priv->association_mode.basicRateSet));
+ } else {
+ /* P2P mode */
+ arg.internalTxRate = (__ffs(
+ priv->bss_params.operationalRateSet & ~0xF));
+ arg.nonErpInternalTxRate = (__ffs(
+ priv->bss_params.operationalRateSet & ~0xF));
+ }
+
+ ap_printk(KERN_DEBUG "[STA] BTCOEX_INFO"
+ "MODE %d, internalTxRate : %x, nonErpInternalTxRate: %x\n",
+ priv->mode,
+ arg.internalTxRate,
+ arg.nonErpInternalTxRate);
+
+ ret = WARN_ON(wsm_write_mib(priv, WSM_MIB_ID_OVERRIDE_INTERNAL_TX_RATE,
+ &arg, sizeof(arg)));
+
+ return ret;
+}
+
+void cw1200_bss_info_changed(struct ieee80211_hw *dev,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *info,
+ u32 changed)
+{
+ struct cw1200_common *priv = dev->priv;
+
+ mutex_lock(&priv->conf_mutex);
+ if (changed & BSS_CHANGED_BSSID) {
+ memcpy(priv->bssid, info->bssid, ETH_ALEN);
+ cw1200_setup_mac(priv);
+ }
+
+ /* TODO: BSS_CHANGED_IBSS */
+
+ if (changed & BSS_CHANGED_ARP_FILTER) {
+ struct wsm_arp_ipv4_filter filter = {0};
+ int i;
+
+ ap_printk(KERN_DEBUG "[STA] BSS_CHANGED_ARP_FILTER "
+ "enabled: %d, cnt: %d\n",
+ info->arp_filter_enabled,
+ info->arp_addr_cnt);
+
+ if (info->arp_filter_enabled)
+ filter.enable = __cpu_to_le32(1);
+
+ /* Currently only one IP address is supported by firmware.
+ * In case of more IPs arp filtering will be disabled. */
+ if (info->arp_addr_cnt > 0 &&
+ info->arp_addr_cnt <= WSM_MAX_ARP_IP_ADDRTABLE_ENTRIES) {
+ for (i = 0; i < info->arp_addr_cnt; i++) {
+ filter.ipv4Address[i] = info->arp_addr_list[i];
+ ap_printk(KERN_DEBUG "[STA] addr[%d]: 0x%X\n",
+ i, filter.ipv4Address[i]);
+ }
+ } else
+ filter.enable = 0;
+
+ ap_printk(KERN_DEBUG "[STA] arp ip filter enable: %d\n",
+ __le32_to_cpu(filter.enable));
+
+ if (wsm_set_arp_ipv4_filter(priv, &filter))
+ WARN_ON(1);
+ }
+
+
+ if (changed & BSS_CHANGED_BEACON) {
+ ap_printk(KERN_DEBUG "BSS_CHANGED_BEACON\n");
+ WARN_ON(cw1200_update_beaconing(priv));
+ WARN_ON(cw1200_upload_beacon(priv));
+ }
+
+ if (changed & BSS_CHANGED_BEACON_ENABLED) {
+ ap_printk(KERN_DEBUG "BSS_CHANGED_BEACON_ENABLED\n");
+
+ if (priv->enable_beacon != info->enable_beacon) {
+ WARN_ON(cw1200_enable_beaconing(priv,
+ info->enable_beacon));
+ priv->enable_beacon = info->enable_beacon;
+ }
+ }
+
+ if (changed & BSS_CHANGED_BEACON_INT) {
+ ap_printk(KERN_DEBUG "CHANGED_BEACON_INT\n");
+ /* Restart AP only when connected */
+ if (priv->join_status == CW1200_JOIN_STATUS_AP)
+ WARN_ON(cw1200_update_beaconing(priv));
+ }
+
+
+ if (changed & BSS_CHANGED_ASSOC) {
+ wsm_lock_tx(priv);
+ priv->wep_default_key_id = -1;
+ wsm_unlock_tx(priv);
+
+ if (!info->assoc /* && !info->ibss_joined */) {
+ priv->cqm_link_loss_count = 60;
+ priv->cqm_beacon_loss_count = 20;
+ priv->cqm_tx_failure_thold = 0;
+ }
+ priv->cqm_tx_failure_count = 0;
+ }
+
+ if (changed &
+ (BSS_CHANGED_ASSOC |
+ BSS_CHANGED_BASIC_RATES |
+ BSS_CHANGED_ERP_PREAMBLE |
+ BSS_CHANGED_HT |
+ BSS_CHANGED_ERP_SLOT)) {
+ ap_printk(KERN_DEBUG "BSS_CHANGED_ASSOC.\n");
+ if (info->assoc) { /* TODO: ibss_joined */
+ struct ieee80211_sta *sta = NULL;
+ priv->join_dtim_period = info->dtim_period;
+ priv->beacon_int = info->beacon_int;
+
+ /* Associated: kill join timeout */
+ cancel_delayed_work_sync(&priv->join_timeout);
+
+ rcu_read_lock();
+ if (info->bssid)
+ sta = ieee80211_find_sta(vif, info->bssid);
+ if (sta) {
+ BUG_ON(!priv->channel);
+ priv->ht_info.ht_cap = sta->ht_cap;
+ priv->bss_params.operationalRateSet =
+ __cpu_to_le32(
+ cw1200_rate_mask_to_wsm(priv,
+ sta->supp_rates[priv->channel->band]));
+ priv->ht_info.channel_type =
+ info->channel_type;
+ priv->ht_info.operation_mode =
+ info->ht_operation_mode;
+ } else {
+ memset(&priv->ht_info, 0,
+ sizeof(priv->ht_info));
+ priv->bss_params.operationalRateSet = -1;
+ }
+ rcu_read_unlock();
+
+ if (sta) {
+ __le32 val = 0;
+ if (priv->ht_info.operation_mode &
+ IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) {
+ ap_printk(KERN_DEBUG "[STA]"
+ " Non-GF STA present\n");
+ /* Non Green field capable STA */
+ val = __cpu_to_le32(WSM_NON_GREENFIELD_STA_PRESENT);
+ }
+ WARN_ON(wsm_write_mib(priv,
+ WSM_MID_ID_SET_HT_PROTECTION,
+ &val, sizeof(val)));
+ }
+
+ priv->association_mode.greenfieldMode =
+ cw1200_ht_greenfield(&priv->ht_info);
+ priv->association_mode.flags =
+ WSM_ASSOCIATION_MODE_SNOOP_ASSOC_FRAMES |
+ WSM_ASSOCIATION_MODE_USE_PREAMBLE_TYPE |
+ WSM_ASSOCIATION_MODE_USE_HT_MODE |
+ WSM_ASSOCIATION_MODE_USE_BASIC_RATE_SET |
+ WSM_ASSOCIATION_MODE_USE_MPDU_START_SPACING;
+ priv->association_mode.preambleType =
+ info->use_short_preamble ?
+ WSM_JOIN_PREAMBLE_SHORT :
+ WSM_JOIN_PREAMBLE_LONG;
+ priv->association_mode.basicRateSet = __cpu_to_le32(
+ cw1200_rate_mask_to_wsm(priv,
+ info->basic_rates));
+ priv->association_mode.mpduStartSpacing =
+ cw1200_ht_ampdu_density(&priv->ht_info);
+
+#if defined(CONFIG_CW1200_USE_STE_EXTENSIONS)
+ priv->cqm_beacon_loss_count =
+ info->cqm_beacon_miss_thold;
+ priv->cqm_tx_failure_thold =
+ info->cqm_tx_fail_thold;
+ priv->cqm_tx_failure_count = 0;
+ cancel_delayed_work_sync(&priv->bss_loss_work);
+ cancel_delayed_work_sync(&priv->connection_loss_work);
+#endif /* CONFIG_CW1200_USE_STE_EXTENSIONS */
+
+ priv->bss_params.beaconLostCount =
+ priv->cqm_beacon_loss_count ?
+ priv->cqm_beacon_loss_count :
+ priv->cqm_link_loss_count;
+
+ priv->bss_params.aid = info->aid;
+
+ if (priv->join_dtim_period < 1)
+ priv->join_dtim_period = 1;
+
+ ap_printk(KERN_DEBUG "[STA] DTIM %d, interval: %d\n",
+ priv->join_dtim_period, priv->beacon_int);
+ ap_printk(KERN_DEBUG "[STA] Preamble: %d, " \
+ "Greenfield: %d, Aid: %d, " \
+ "Rates: 0x%.8X, Basic: 0x%.8X\n",
+ priv->association_mode.preambleType,
+ priv->association_mode.greenfieldMode,
+ priv->bss_params.aid,
+ priv->bss_params.operationalRateSet,
+ priv->association_mode.basicRateSet);
+ WARN_ON(wsm_set_association_mode(priv,
+ &priv->association_mode));
+ WARN_ON(wsm_keep_alive_period(priv, 30 /* sec */));
+ WARN_ON(wsm_set_bss_params(priv, &priv->bss_params));
+ priv->setbssparams_done = true;
+ WARN_ON(wsm_set_beacon_wakeup_period(priv,
+ priv->beacon_int * priv->join_dtim_period >
+ MAX_BEACON_SKIP_TIME_MS ? 1 :
+ priv->join_dtim_period, 0));
+
+ cw1200_set_pm(priv, &priv->powersave_mode);
+ if (priv->vif->p2p) {
+ ap_printk(KERN_DEBUG
+ "[STA] Setting p2p powersave "
+ "configuration.\n");
+ WARN_ON(wsm_set_p2p_ps_modeinfo(priv,
+ &priv->p2p_ps_modeinfo));
+ }
+
+ if (priv->is_BT_Present)
+ WARN_ON(cw1200_set_btcoexinfo(priv));
+#if 0
+ /* It's better to override internal TX rete; otherwise
+ * device sends RTS at too high rate. However device
+ * can't receive CTS at 1 and 2 Mbps. Well, 5.5 is a
+ * good choice for RTS/CTS, but that means PS poll
+ * will be sent at the same rate - impact on link
+ * budget. Not sure what is better.. */
+
+ /* Update: internal rate selection algorythm is not
+ * bad: if device is not receiving CTS at high rate,
+ * it drops RTS rate.
+ * So, conclusion: if-0 the code. Keep code just for
+ * information:
+ * Do not touch WSM_MIB_ID_OVERRIDE_INTERNAL_TX_RATE! */
+
+ /* ~3 is a bug in device: RTS/CTS is not working at
+ * low rates */
+
+ __le32 internal_tx_rate = __cpu_to_le32(__ffs(
+ priv->association_mode.basicRateSet & ~3));
+ WARN_ON(wsm_write_mib(priv,
+ WSM_MIB_ID_OVERRIDE_INTERNAL_TX_RATE,
+ &internal_tx_rate,
+ sizeof(internal_tx_rate)));
+#endif
+ } else {
+ memset(&priv->association_mode, 0,
+ sizeof(priv->association_mode));
+ memset(&priv->bss_params, 0, sizeof(priv->bss_params));
+ }
+ }
+ if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_ERP_CTS_PROT)) {
+ u32 prev_erp_info = priv->erp_info;
+
+ if (info->use_cts_prot)
+ priv->erp_info |= WLAN_ERP_USE_PROTECTION;
+ else if (!(prev_erp_info & WLAN_ERP_NON_ERP_PRESENT))
+ priv->erp_info &= ~WLAN_ERP_USE_PROTECTION;
+
+ if (prev_erp_info != priv->erp_info)
+ queue_delayed_work(priv->workqueue,
+ &priv->set_cts_work, 0*HZ);
+ }
+
+ if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_ERP_SLOT)) {
+ __le32 slot_time = info->use_short_slot ?
+ __cpu_to_le32(9) : __cpu_to_le32(20);
+ ap_printk(KERN_DEBUG "[STA] Slot time :%d us.\n",
+ __le32_to_cpu(slot_time));
+ WARN_ON(wsm_write_mib(priv, WSM_MIB_ID_DOT11_SLOT_TIME,
+ &slot_time, sizeof(slot_time)));
+ }
+ if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_CQM)) {
+ struct wsm_rcpi_rssi_threshold threshold = {
+ .rollingAverageCount = 8,
+ };
+
+#if 0
+ /* For verification purposes */
+ info->cqm_rssi_thold = -50;
+ info->cqm_rssi_hyst = 4;
+#endif /* 0 */
+
+ ap_printk(KERN_DEBUG "[CQM] RSSI threshold "
+ "subscribe: %d +- %d\n",
+ info->cqm_rssi_thold, info->cqm_rssi_hyst);
+#if defined(CONFIG_CW1200_USE_STE_EXTENSIONS)
+ ap_printk(KERN_DEBUG "[CQM] Beacon loss subscribe: %d\n",
+ info->cqm_beacon_miss_thold);
+ ap_printk(KERN_DEBUG "[CQM] TX failure subscribe: %d\n",
+ info->cqm_tx_fail_thold);
+#endif /* CONFIG_CW1200_USE_STE_EXTENSIONS */
+ priv->cqm_rssi_thold = info->cqm_rssi_thold;
+ priv->cqm_rssi_hyst = info->cqm_rssi_hyst;
+
+ if (info->cqm_rssi_thold || info->cqm_rssi_hyst) {
+ /* RSSI subscription enabled */
+ /* TODO: It's not a correct way of setting threshold.
+ * Upper and lower must be set equal here and adjusted
+ * in callback. However current implementation is much
+ * more relaible and stable. */
+
+ /* RSSI: signed Q8.0, RCPI: unsigned Q7.1
+ * RSSI = RCPI / 2 - 110 */
+ if (priv->cqm_use_rssi) {
+ threshold.upperThreshold =
+ info->cqm_rssi_thold + info->cqm_rssi_hyst;
+ threshold.lowerThreshold =
+ info->cqm_rssi_thold;
+ threshold.rssiRcpiMode |= WSM_RCPI_RSSI_USE_RSSI;
+ } else {
+ threshold.lowerThreshold = (info->cqm_rssi_thold + 110) * 2;
+ threshold.upperThreshold = threshold.lowerThreshold + info->cqm_rssi_hyst * 2;
+ }
+ threshold.rssiRcpiMode |= WSM_RCPI_RSSI_THRESHOLD_ENABLE;
+ } else {
+ /* There is a bug in FW, see sta.c. We have to enable
+ * dummy subscription to get correct RSSI values. */
+ threshold.rssiRcpiMode |=
+ WSM_RCPI_RSSI_THRESHOLD_ENABLE |
+ WSM_RCPI_RSSI_DONT_USE_UPPER |
+ WSM_RCPI_RSSI_DONT_USE_LOWER;
+ if (priv->cqm_use_rssi)
+ threshold.rssiRcpiMode |= WSM_RCPI_RSSI_USE_RSSI;
+ }
+ WARN_ON(wsm_set_rcpi_rssi_threshold(priv, &threshold));
+
+#if defined(CONFIG_CW1200_USE_STE_EXTENSIONS)
+ priv->cqm_tx_failure_thold = info->cqm_tx_fail_thold;
+ priv->cqm_tx_failure_count = 0;
+
+ if (priv->cqm_beacon_loss_count !=
+ info->cqm_beacon_miss_thold) {
+ priv->cqm_beacon_loss_count =
+ info->cqm_beacon_miss_thold;
+ priv->bss_params.beaconLostCount =
+ priv->cqm_beacon_loss_count ?
+ priv->cqm_beacon_loss_count :
+ priv->cqm_link_loss_count;
+ /* Make sure we are associated before sending
+ * set_bss_params to firmware */
+ if (priv->bss_params.aid) {
+ WARN_ON(wsm_set_bss_params(priv,
+ &priv->bss_params));
+ priv->setbssparams_done = true;
+ }
+ }
+#endif /* CONFIG_CW1200_USE_STE_EXTENSIONS */
+ }
+ mutex_unlock(&priv->conf_mutex);
+}
+
+void cw1200_multicast_start_work(struct work_struct *work)
+{
+ struct cw1200_common *priv =
+ container_of(work, struct cw1200_common, multicast_start_work);
+ long tmo = priv->join_dtim_period *
+ (priv->beacon_int + 20) * HZ / 1024;
+
+ cancel_work_sync(&priv->multicast_stop_work);
+
+ if (!priv->aid0_bit_set) {
+ wsm_lock_tx(priv);
+ cw1200_set_tim_impl(priv, true);
+ priv->aid0_bit_set = true;
+ mod_timer(&priv->mcast_timeout, jiffies + tmo);
+ wsm_unlock_tx(priv);
+ }
+}
+
+void cw1200_multicast_stop_work(struct work_struct *work)
+{
+ struct cw1200_common *priv =
+ container_of(work, struct cw1200_common, multicast_stop_work);
+
+ if (priv->aid0_bit_set) {
+ del_timer_sync(&priv->mcast_timeout);
+ wsm_lock_tx(priv);
+ priv->aid0_bit_set = false;
+ cw1200_set_tim_impl(priv, false);
+ wsm_unlock_tx(priv);
+ }
+}
+
+void cw1200_mcast_timeout(unsigned long arg)
+{
+ struct cw1200_common *priv =
+ (struct cw1200_common *)arg;
+
+ wiphy_warn(priv->hw->wiphy,
+ "Multicast delivery timeout.\n");
+ spin_lock_bh(&priv->ps_state_lock);
+ priv->tx_multicast = priv->aid0_bit_set &&
+ priv->buffered_multicasts;
+ if (priv->tx_multicast)
+ cw1200_bh_wakeup(priv);
+ spin_unlock_bh(&priv->ps_state_lock);
+}
+
+int cw1200_ampdu_action(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ enum ieee80211_ampdu_mlme_action action,
+ struct ieee80211_sta *sta, u16 tid, u16 *ssn,
+ u8 buf_size)
+{
+ /* Aggregation is implemented fully in firmware,
+ * including block ack negotiation. Do not allow
+ * mac80211 stack to do anything: it interferes with
+ * the firmware. */
+
+ // IEEE80211_AMPDU_TX_STOP removes TID from priv->tid_mask?
+ // IEEE80211_AMPDU_TX_START adds TID to priv->mask?
+
+ /* Note that we still need this function stubbed to prevent a warning. */
+ return -ENOTSUPP;
+}
+
+/* ******************************************************************** */
+/* WSM callback */
+void cw1200_suspend_resume(struct cw1200_common *priv,
+ struct wsm_suspend_resume *arg)
+{
+ ap_printk(KERN_DEBUG "[AP] %s: %s\n",
+ arg->stop ? "stop" : "start",
+ arg->multicast ? "broadcast" : "unicast");
+
+ if (arg->multicast) {
+ bool cancel_tmo = false;
+ spin_lock_bh(&priv->ps_state_lock);
+ if (arg->stop) {
+ priv->tx_multicast = false;
+ } else {
+ /* Firmware sends this indication every DTIM if there
+ * is a STA in powersave connected. There is no reason
+ * to suspend, following wakeup will consume much more
+ * power than it could be saved. */
+#ifdef CONFIG_CW1200_PM
+ cw1200_pm_stay_awake(&priv->pm_state,
+ priv->join_dtim_period *
+ (priv->beacon_int + 20) * HZ / 1024);
+#endif
+ priv->tx_multicast = priv->aid0_bit_set &&
+ priv->buffered_multicasts;
+ if (priv->tx_multicast) {
+ cancel_tmo = true;
+ cw1200_bh_wakeup(priv);
+ }
+ }
+ spin_unlock_bh(&priv->ps_state_lock);
+ if (cancel_tmo)
+ del_timer_sync(&priv->mcast_timeout);
+ } else {
+ spin_lock_bh(&priv->ps_state_lock);
+ cw1200_ps_notify(priv, arg->link_id, arg->stop);
+ spin_unlock_bh(&priv->ps_state_lock);
+ if (!arg->stop)
+ cw1200_bh_wakeup(priv);
+ }
+ return;
+}
+
+/* ******************************************************************** */
+/* AP privates */
+
+static int cw1200_upload_beacon(struct cw1200_common *priv)
+{
+ int ret = 0;
+ struct wsm_template_frame frame = {
+ .frame_type = WSM_FRAME_TYPE_BEACON,
+ };
+ struct ieee80211_mgmt *mgmt;
+ u8 *erp_inf, *ies;
+ u32 ies_len;
+
+ if (priv->vif->p2p)
+ frame.rate = WSM_TRANSMIT_RATE_6;
+
+ frame.skb = ieee80211_beacon_get(priv->hw, priv->vif);
+ if (WARN_ON(!frame.skb))
+ return -ENOMEM;
+
+ mgmt = (void *)frame.skb->data;
+ ies = mgmt->u.beacon.variable;
+ ies_len = frame.skb->len - (u32)(ies - (u8 *)mgmt);
+ erp_inf = (u8 *)cfg80211_find_ie(WLAN_EID_ERP_INFO, ies, ies_len);
+ if (erp_inf) {
+ if (erp_inf[ERP_INFO_BYTE_OFFSET]
+ & WLAN_ERP_BARKER_PREAMBLE)
+ priv->erp_info |= WLAN_ERP_BARKER_PREAMBLE;
+ else
+ priv->erp_info &= ~WLAN_ERP_BARKER_PREAMBLE;
+
+ if (erp_inf[ERP_INFO_BYTE_OFFSET]
+ & WLAN_ERP_NON_ERP_PRESENT) {
+ priv->erp_info |= WLAN_ERP_USE_PROTECTION;
+ priv->erp_info |= WLAN_ERP_NON_ERP_PRESENT;
+ } else {
+ priv->erp_info &= ~WLAN_ERP_USE_PROTECTION;
+ priv->erp_info &= ~WLAN_ERP_NON_ERP_PRESENT;
+ }
+ }
+
+ ret = wsm_set_template_frame(priv, &frame);
+ if (!ret) {
+ /* TODO: Distille probe resp; remove TIM
+ * and other beacon-specific IEs */
+ *(__le16 *)frame.skb->data =
+ __cpu_to_le16(IEEE80211_FTYPE_MGMT |
+ IEEE80211_STYPE_PROBE_RESP);
+ frame.frame_type = WSM_FRAME_TYPE_PROBE_RESPONSE;
+ if (priv->vif->p2p)
+ frame.disable = true;
+ ret = wsm_set_template_frame(priv, &frame);
+ }
+ dev_kfree_skb(frame.skb);
+
+ return ret;
+}
+
+static int cw1200_upload_pspoll(struct cw1200_common *priv)
+{
+ int ret = 0;
+ struct wsm_template_frame frame = {
+ .frame_type = WSM_FRAME_TYPE_PS_POLL,
+ .rate = 0xFF,
+ };
+
+
+ frame.skb = ieee80211_pspoll_get(priv->hw, priv->vif);
+ if (WARN_ON(!frame.skb))
+ return -ENOMEM;
+
+ ret = wsm_set_template_frame(priv, &frame);
+
+ dev_kfree_skb(frame.skb);
+
+ return ret;
+}
+
+static int cw1200_upload_null(struct cw1200_common *priv)
+{
+ int ret = 0;
+ struct wsm_template_frame frame = {
+ .frame_type = WSM_FRAME_TYPE_NULL,
+ .rate = 0xFF,
+ };
+
+
+ frame.skb = ieee80211_nullfunc_get(priv->hw, priv->vif);
+ if (WARN_ON(!frame.skb))
+ return -ENOMEM;
+
+ ret = wsm_set_template_frame(priv, &frame);
+
+ dev_kfree_skb(frame.skb);
+
+ return ret;
+}
+
+static int cw1200_enable_beaconing(struct cw1200_common *priv,
+ bool enable)
+{
+ struct wsm_beacon_transmit transmit = {
+ .enableBeaconing = enable,
+ };
+
+ return wsm_beacon_transmit(priv, &transmit);
+}
+
+static int cw1200_start_ap(struct cw1200_common *priv)
+{
+ int ret;
+ const u8 *ssidie;
+ struct sk_buff *skb;
+ int offset;
+ struct ieee80211_bss_conf *conf = &priv->vif->bss_conf;
+ struct wsm_start start = {
+ .mode = priv->vif->p2p ?
+ WSM_START_MODE_P2P_GO : WSM_START_MODE_AP,
+ .band = (priv->channel->band == IEEE80211_BAND_5GHZ) ?
+ WSM_PHY_BAND_5G : WSM_PHY_BAND_2_4G,
+ .channelNumber = priv->channel->hw_value,
+ .beaconInterval = conf->beacon_int,
+ .DTIMPeriod = conf->dtim_period,
+ .preambleType = conf->use_short_preamble ?
+ WSM_JOIN_PREAMBLE_SHORT :
+ WSM_JOIN_PREAMBLE_LONG,
+ .probeDelay = 100,
+ .basicRateSet = cw1200_rate_mask_to_wsm(priv,
+ conf->basic_rates),
+ };
+ struct wsm_operational_mode mode = {
+ .power_mode = cw1200_power_mode,
+ .disableMoreFlagUsage = true,
+ };
+
+ /* Get SSID */
+ skb = ieee80211_beacon_get(priv->hw, priv->vif);
+ if (WARN_ON(!skb))
+ return -ENOMEM;
+
+ offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
+ ssidie = cfg80211_find_ie(WLAN_EID_SSID, skb->data + offset,
+ skb->len - offset);
+
+ memset(priv->ssid, 0, sizeof(priv->ssid));
+ if (ssidie) {
+ priv->ssid_length = ssidie[1];
+ if (WARN_ON(priv->ssid_length > sizeof(priv->ssid)))
+ priv->ssid_length = sizeof(priv->ssid);
+ memcpy(priv->ssid, &ssidie[2], priv->ssid_length);
+ } else {
+ priv->ssid_length = 0;
+ }
+ dev_kfree_skb(skb);
+
+ priv->beacon_int = conf->beacon_int;
+ priv->join_dtim_period = conf->dtim_period;
+
+ start.ssidLength = priv->ssid_length;
+ memcpy(&start.ssid[0], priv->ssid, start.ssidLength);
+
+ memset(&priv->link_id_db, 0, sizeof(priv->link_id_db));
+
+ ap_printk(KERN_DEBUG "[AP] ch: %d(%d), bcn: %d(%d), "
+ "brt: 0x%.8X, ssid: %.*s.\n",
+ start.channelNumber, start.band,
+ start.beaconInterval, start.DTIMPeriod,
+ start.basicRateSet,
+ start.ssidLength, start.ssid);
+ ret = WARN_ON(wsm_start(priv, &start));
+ if (!ret)
+ ret = WARN_ON(cw1200_upload_keys(priv));
+ if (!ret && priv->vif->p2p) {
+ ap_printk(KERN_DEBUG
+ "[AP] Setting p2p powersave "
+ "configuration.\n");
+ WARN_ON(wsm_set_p2p_ps_modeinfo(priv,
+ &priv->p2p_ps_modeinfo));
+ }
+ if (!ret) {
+ WARN_ON(wsm_set_block_ack_policy(priv,
+ 0, 0));
+ priv->join_status = CW1200_JOIN_STATUS_AP;
+ cw1200_update_filtering(priv);
+ }
+ WARN_ON(wsm_set_operational_mode(priv, &mode));
+ return ret;
+}
+
+static int cw1200_update_beaconing(struct cw1200_common *priv)
+{
+ struct ieee80211_bss_conf *conf = &priv->vif->bss_conf;
+ struct wsm_reset reset = {
+ .link_id = 0,
+ .reset_statistics = true,
+ };
+
+ if (priv->mode == NL80211_IFTYPE_AP) {
+ /* TODO: check if changed channel, band */
+ if (priv->join_status != CW1200_JOIN_STATUS_AP ||
+ priv->beacon_int != conf->beacon_int) {
+ ap_printk(KERN_DEBUG "ap restarting\n");
+ wsm_lock_tx(priv);
+ if (priv->join_status != CW1200_JOIN_STATUS_PASSIVE)
+ WARN_ON(wsm_reset(priv, &reset));
+ priv->join_status = CW1200_JOIN_STATUS_PASSIVE;
+ WARN_ON(cw1200_start_ap(priv));
+ wsm_unlock_tx(priv);
+ } else
+ ap_printk(KERN_DEBUG "ap started join_status: %d\n",
+ priv->join_status);
+ }
+ return 0;
+}
+
+int cw1200_find_link_id(struct cw1200_common *priv, const u8 *mac)
+{
+ int i, ret = 0;
+ spin_lock_bh(&priv->ps_state_lock);
+ for (i = 0; i < CW1200_MAX_STA_IN_AP_MODE; ++i) {
+ if (!memcmp(mac, priv->link_id_db[i].mac, ETH_ALEN) &&
+ priv->link_id_db[i].status) {
+ priv->link_id_db[i].timestamp = jiffies;
+ ret = i + 1;
+ break;
+ }
+ }
+ spin_unlock_bh(&priv->ps_state_lock);
+ return ret;
+}
+
+int cw1200_alloc_link_id(struct cw1200_common *priv, const u8 *mac)
+{
+ int i, ret = 0;
+ unsigned long max_inactivity = 0;
+ unsigned long now = jiffies;
+
+ spin_lock_bh(&priv->ps_state_lock);
+ for (i = 0; i < CW1200_MAX_STA_IN_AP_MODE; ++i) {
+ if (!priv->link_id_db[i].status) {
+ ret = i + 1;
+ break;
+ } else if (priv->link_id_db[i].status != CW1200_LINK_HARD &&
+ !priv->tx_queue_stats.link_map_cache[i + 1]) {
+
+ unsigned long inactivity =
+ now - priv->link_id_db[i].timestamp;
+ if (inactivity < max_inactivity)
+ continue;
+ max_inactivity = inactivity;
+ ret = i + 1;
+ }
+ }
+ if (ret) {
+ struct cw1200_link_entry *entry = &priv->link_id_db[ret - 1];
+ ap_printk(KERN_DEBUG "[AP] STA added, link_id: %d\n",
+ ret);
+ entry->status = CW1200_LINK_RESERVE;
+ memcpy(&entry->mac, mac, ETH_ALEN);
+ memset(&entry->buffered, 0, CW1200_MAX_TID);
+ skb_queue_head_init(&entry->rx_queue);
+ wsm_lock_tx_async(priv);
+ if (queue_work(priv->workqueue, &priv->link_id_work) <= 0)
+ wsm_unlock_tx(priv);
+ } else {
+ wiphy_info(priv->hw->wiphy,
+ "[AP] Early: no more link IDs available.\n");
+ }
+
+ spin_unlock_bh(&priv->ps_state_lock);
+ return ret;
+}
+
+void cw1200_link_id_work(struct work_struct *work)
+{
+ struct cw1200_common *priv =
+ container_of(work, struct cw1200_common, link_id_work);
+ wsm_flush_tx(priv);
+ cw1200_link_id_gc_work(&priv->link_id_gc_work.work);
+ wsm_unlock_tx(priv);
+}
+
+void cw1200_link_id_gc_work(struct work_struct *work)
+{
+ struct cw1200_common *priv =
+ container_of(work, struct cw1200_common, link_id_gc_work.work);
+ struct wsm_reset reset = {
+ .reset_statistics = false,
+ };
+ struct wsm_map_link map_link = {
+ .link_id = 0,
+ };
+ unsigned long now = jiffies;
+ unsigned long next_gc = -1;
+ long ttl;
+ bool need_reset;
+ u32 mask;
+ int i;
+
+ if (priv->join_status != CW1200_JOIN_STATUS_AP)
+ return;
+
+ wsm_lock_tx(priv);
+ spin_lock_bh(&priv->ps_state_lock);
+ for (i = 0; i < CW1200_MAX_STA_IN_AP_MODE; ++i) {
+ need_reset = false;
+ mask = BIT(i + 1);
+ if (priv->link_id_db[i].status == CW1200_LINK_RESERVE ||
+ (priv->link_id_db[i].status == CW1200_LINK_HARD &&
+ !(priv->link_id_map & mask))) {
+ if (priv->link_id_map & mask) {
+ priv->sta_asleep_mask &= ~mask;
+ priv->pspoll_mask &= ~mask;
+ need_reset = true;
+ }
+ priv->link_id_map |= mask;
+ if (priv->link_id_db[i].status != CW1200_LINK_HARD)
+ priv->link_id_db[i].status = CW1200_LINK_SOFT;
+ memcpy(map_link.mac_addr, priv->link_id_db[i].mac,
+ ETH_ALEN);
+ spin_unlock_bh(&priv->ps_state_lock);
+ if (need_reset) {
+ reset.link_id = i + 1;
+ WARN_ON(wsm_reset(priv, &reset));
+ }
+ map_link.link_id = i + 1;
+ WARN_ON(wsm_map_link(priv, &map_link));
+ next_gc = min(next_gc, CW1200_LINK_ID_GC_TIMEOUT);
+ spin_lock_bh(&priv->ps_state_lock);
+ } else if (priv->link_id_db[i].status == CW1200_LINK_SOFT) {
+ ttl = priv->link_id_db[i].timestamp - now +
+ CW1200_LINK_ID_GC_TIMEOUT;
+ if (ttl <= 0) {
+ need_reset = true;
+ priv->link_id_db[i].status = CW1200_LINK_OFF;
+ priv->link_id_map &= ~mask;
+ priv->sta_asleep_mask &= ~mask;
+ priv->pspoll_mask &= ~mask;
+ memset(map_link.mac_addr, 0, ETH_ALEN);
+ spin_unlock_bh(&priv->ps_state_lock);
+ reset.link_id = i + 1;
+ WARN_ON(wsm_reset(priv, &reset));
+ spin_lock_bh(&priv->ps_state_lock);
+ } else {
+ next_gc = min_t(unsigned long, next_gc, ttl);
+ }
+#if defined(CONFIG_CW1200_USE_STE_EXTENSIONS)
+ } else if (priv->link_id_db[i].status == CW1200_LINK_RESET ||
+ priv->link_id_db[i].status ==
+ CW1200_LINK_RESET_REMAP) {
+ int status = priv->link_id_db[i].status;
+ priv->link_id_db[i].status =
+ priv->link_id_db[i].prev_status;
+ priv->link_id_db[i].timestamp = now;
+ reset.link_id = i + 1;
+ spin_unlock_bh(&priv->ps_state_lock);
+ WARN_ON(wsm_reset(priv, &reset));
+ if (status == CW1200_LINK_RESET_REMAP) {
+ memcpy(map_link.mac_addr,
+ priv->link_id_db[i].mac,
+ ETH_ALEN);
+ map_link.link_id = i + 1;
+ WARN_ON(wsm_map_link(priv, &map_link));
+ next_gc = min(next_gc,
+ CW1200_LINK_ID_GC_TIMEOUT);
+ }
+ spin_lock_bh(&priv->ps_state_lock);
+#endif
+ }
+ if (need_reset) {
+ skb_queue_purge(&priv->link_id_db[i].rx_queue);
+ ap_printk(KERN_DEBUG "[AP] STA removed, link_id: %d\n",
+ reset.link_id);
+ }
+ }
+ spin_unlock_bh(&priv->ps_state_lock);
+ if (next_gc != -1)
+ queue_delayed_work(priv->workqueue,
+ &priv->link_id_gc_work, next_gc);
+ wsm_unlock_tx(priv);
+}
+
+#if defined(CONFIG_CW1200_USE_STE_EXTENSIONS)
+void cw1200_notify_noa(struct cw1200_common *priv, int delay)
+{
+ struct cfg80211_p2p_ps p2p_ps = {0};
+ struct wsm_p2p_ps_modeinfo *modeinfo;
+ modeinfo = &priv->p2p_ps_modeinfo;
+
+ ap_printk(KERN_DEBUG "[AP]: %s called\n", __func__);
+
+ if (priv->join_status != CW1200_JOIN_STATUS_AP)
+ return;
+
+ if (delay)
+ msleep(delay);
+
+ if (!WARN_ON(wsm_get_p2p_ps_modeinfo(priv, modeinfo))) {
+#if defined(CONFIG_CW1200_STA_DEBUG)
+ print_hex_dump_bytes("[AP] p2p_get_ps_modeinfo: ",
+ DUMP_PREFIX_NONE,
+ (u8 *)modeinfo,
+ sizeof(*modeinfo));
+#endif /* CONFIG_CW1200_STA_DEBUG */
+ p2p_ps.opp_ps = !!(modeinfo->oppPsCTWindow & BIT(7));
+ p2p_ps.ctwindow = modeinfo->oppPsCTWindow & (~BIT(7));
+ p2p_ps.count = modeinfo->count;
+ p2p_ps.start = __le32_to_cpu(modeinfo->startTime);
+ p2p_ps.duration = __le32_to_cpu(modeinfo->duration);
+ p2p_ps.interval = __le32_to_cpu(modeinfo->interval);
+ p2p_ps.index = modeinfo->reserved;
+
+ ieee80211_p2p_noa_notify(priv->vif,
+ &p2p_ps,
+ GFP_KERNEL);
+ }
+}
+#endif
diff --git a/drivers/staging/cw1200/ap.h b/drivers/staging/cw1200/ap.h
new file mode 100644
index 0000000..c10e4ef
--- /dev/null
+++ b/drivers/staging/cw1200/ap.h
@@ -0,0 +1,49 @@
+/*
+ * mac80211 STA and AP API for mac80211 ST-Ericsson CW1200 drivers
+ *
+ * Copyright (c) 2010, ST-Ericsson
+ * Author: Dmitry Tarnyagin <dmitry.tarnyagin@xxxxxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef AP_H_INCLUDED
+#define AP_H_INCLUDED
+
+int cw1200_set_tim(struct ieee80211_hw *dev, struct ieee80211_sta *sta,
+ bool set);
+int cw1200_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta);
+int cw1200_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta);
+void cw1200_sta_notify(struct ieee80211_hw *dev, struct ieee80211_vif *vif,
+ enum sta_notify_cmd notify_cmd,
+ struct ieee80211_sta *sta);
+void cw1200_bss_info_changed(struct ieee80211_hw *dev,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *info,
+ u32 changed);
+int cw1200_ampdu_action(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ enum ieee80211_ampdu_mlme_action action,
+ struct ieee80211_sta *sta, u16 tid, u16 *ssn,
+ u8 buf_size);
+
+void cw1200_suspend_resume(struct cw1200_common *priv,
+ struct wsm_suspend_resume *arg);
+void cw1200_set_tim_work(struct work_struct *work);
+void cw1200_set_cts_work(struct work_struct *work);
+void cw1200_multicast_start_work(struct work_struct *work);
+void cw1200_multicast_stop_work(struct work_struct *work);
+void cw1200_mcast_timeout(unsigned long arg);
+int cw1200_find_link_id(struct cw1200_common *priv, const u8 *mac);
+int cw1200_alloc_link_id(struct cw1200_common *priv, const u8 *mac);
+void cw1200_link_id_work(struct work_struct *work);
+void cw1200_link_id_gc_work(struct work_struct *work);
+#if defined(CONFIG_CW1200_USE_STE_EXTENSIONS)
+void cw1200_notify_noa(struct cw1200_common *priv, int delay);
+#endif
+
+#endif
--
1.7.11.7
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