MODULE_AUTHOR(DRV_COPYRIGHT);
MODULE_LICENSE("GPL");
-static const struct ieee80211_supported_band *iwl_get_hw_mode(
- struct iwl_priv *priv, enum ieee80211_band band)
-{
- return priv->hw->wiphy->bands[band];
-}
-
-static int iwl4965_is_empty_essid(const char *essid, int essid_len)
-{
- /* Single white space is for Linksys APs */
- if (essid_len == 1 && essid[0] == ' ')
- return 1;
-
- /* Otherwise, if the entire essid is 0, we assume it is hidden */
- while (essid_len) {
- essid_len--;
- if (essid[essid_len] != '\0')
- return 0;
- }
-
- return 1;
-}
-
-static const char *iwl4965_escape_essid(const char *essid, u8 essid_len)
-{
- static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
- const char *s = essid;
- char *d = escaped;
-
- if (iwl4965_is_empty_essid(essid, essid_len)) {
- memcpy(escaped, "<hidden>", sizeof("<hidden>"));
- return escaped;
- }
-
- essid_len = min(essid_len, (u8) IW_ESSID_MAX_SIZE);
- while (essid_len--) {
- if (*s == '\0') {
- *d++ = '\\';
- *d++ = '0';
- s++;
- } else
- *d++ = *s++;
- }
- *d = '\0';
- return escaped;
-}
-
/*************** STATION TABLE MANAGEMENT ****
* mac80211 should be examined to determine if sta_info is duplicating
* the functionality provided here
/**************************************************************/
-#if 0 /* temporary disable till we add real remove station */
-/**
- * iwl4965_remove_station - Remove driver's knowledge of station.
- *
- * NOTE: This does not remove station from device's station table.
- */
-static u8 iwl4965_remove_station(struct iwl_priv *priv, const u8 *addr, int is_ap)
-{
- int index = IWL_INVALID_STATION;
- int i;
- unsigned long flags;
-
- spin_lock_irqsave(&priv->sta_lock, flags);
-
- if (is_ap)
- index = IWL_AP_ID;
- else if (is_broadcast_ether_addr(addr))
- index = priv->hw_params.bcast_sta_id;
- else
- for (i = IWL_STA_ID; i < priv->hw_params.max_stations; i++)
- if (priv->stations[i].used &&
- !compare_ether_addr(priv->stations[i].sta.sta.addr,
- addr)) {
- index = i;
- break;
- }
-
- if (unlikely(index == IWL_INVALID_STATION))
- goto out;
-
- if (priv->stations[index].used) {
- priv->stations[index].used = 0;
- priv->num_stations--;
- }
-
- BUG_ON(priv->num_stations < 0);
-
-out:
- spin_unlock_irqrestore(&priv->sta_lock, flags);
- return 0;
-}
-#endif
-
static void iwl4965_set_rxon_hwcrypto(struct iwl_priv *priv, int hw_decrypt)
return rc;
}
+ iwl_remove_station(priv, iwl_bcast_addr, 0);
iwlcore_clear_stations_table(priv);
if (!priv->error_recovering)
/* If we issue a new RXON command which required a tune then we must
* send a new TXPOWER command or we won't be able to Tx any frames */
- rc = iwl4965_hw_reg_send_txpower(priv);
+ rc = iwl_set_tx_power(priv, priv->tx_power_user_lmt, true);
if (rc) {
- IWL_ERROR("Error setting Tx power (%d).\n", rc);
+ IWL_ERROR("Error sending TX power (%d).\n", rc);
return rc;
}
sizeof(struct iwl4965_bt_cmd), &bt_cmd);
}
-static int iwl4965_send_scan_abort(struct iwl_priv *priv)
-{
- int ret = 0;
- struct iwl_rx_packet *res;
- struct iwl_host_cmd cmd = {
- .id = REPLY_SCAN_ABORT_CMD,
- .meta.flags = CMD_WANT_SKB,
- };
-
- /* If there isn't a scan actively going on in the hardware
- * then we are in between scan bands and not actually
- * actively scanning, so don't send the abort command */
- if (!test_bit(STATUS_SCAN_HW, &priv->status)) {
- clear_bit(STATUS_SCAN_ABORTING, &priv->status);
- return 0;
- }
-
- ret = iwl_send_cmd_sync(priv, &cmd);
- if (ret) {
- clear_bit(STATUS_SCAN_ABORTING, &priv->status);
- return ret;
- }
-
- res = (struct iwl_rx_packet *)cmd.meta.u.skb->data;
- if (res->u.status != CAN_ABORT_STATUS) {
- /* The scan abort will return 1 for success or
- * 2 for "failure". A failure condition can be
- * due to simply not being in an active scan which
- * can occur if we send the scan abort before we
- * the microcode has notified us that a scan is
- * completed. */
- IWL_DEBUG_INFO("SCAN_ABORT returned %d.\n", res->u.status);
- clear_bit(STATUS_SCAN_ABORTING, &priv->status);
- clear_bit(STATUS_SCAN_HW, &priv->status);
- }
-
- dev_kfree_skb_any(cmd.meta.u.skb);
-
- return ret;
-}
-
/*
* CARD_STATE_CMD
*
*
******************************************************************************/
-/**
- * iwl4965_supported_rate_to_ie - fill in the supported rate in IE field
- *
- * return : set the bit for each supported rate insert in ie
- */
-static u16 iwl4965_supported_rate_to_ie(u8 *ie, u16 supported_rate,
- u16 basic_rate, int *left)
-{
- u16 ret_rates = 0, bit;
- int i;
- u8 *cnt = ie;
- u8 *rates = ie + 1;
-
- for (bit = 1, i = 0; i < IWL_RATE_COUNT; i++, bit <<= 1) {
- if (bit & supported_rate) {
- ret_rates |= bit;
- rates[*cnt] = iwl_rates[i].ieee |
- ((bit & basic_rate) ? 0x80 : 0x00);
- (*cnt)++;
- (*left)--;
- if ((*left <= 0) ||
- (*cnt >= IWL_SUPPORTED_RATES_IE_LEN))
- break;
- }
- }
-
- return ret_rates;
-}
-
-#ifdef CONFIG_IWL4965_HT
static void iwl4965_ht_conf(struct iwl_priv *priv,
struct ieee80211_bss_conf *bss_conf)
{
iwl_conf->extension_chan_offset =
ht_bss_conf->bss_cap & IEEE80211_HT_IE_CHA_SEC_OFFSET;
/* If no above or below channel supplied disable FAT channel */
- if (iwl_conf->extension_chan_offset != IWL_EXT_CHANNEL_OFFSET_ABOVE &&
- iwl_conf->extension_chan_offset != IWL_EXT_CHANNEL_OFFSET_BELOW)
+ if (iwl_conf->extension_chan_offset != IEEE80211_HT_IE_CHA_SEC_ABOVE &&
+ iwl_conf->extension_chan_offset != IEEE80211_HT_IE_CHA_SEC_BELOW) {
+ iwl_conf->extension_chan_offset = IEEE80211_HT_IE_CHA_SEC_NONE;
iwl_conf->supported_chan_width = 0;
+ }
iwl_conf->tx_mimo_ps_mode =
(u8)((ht_conf->cap & IEEE80211_HT_CAP_MIMO_PS) >> 2);
IWL_DEBUG_MAC80211("leave\n");
}
-static void iwl_ht_cap_to_ie(const struct ieee80211_supported_band *sband,
- u8 *pos, int *left)
-{
- struct ieee80211_ht_cap *ht_cap;
-
- if (!sband || !sband->ht_info.ht_supported)
- return;
-
- if (*left < sizeof(struct ieee80211_ht_cap))
- return;
-
- *pos++ = sizeof(struct ieee80211_ht_cap);
- ht_cap = (struct ieee80211_ht_cap *) pos;
-
- ht_cap->cap_info = cpu_to_le16(sband->ht_info.cap);
- memcpy(ht_cap->supp_mcs_set, sband->ht_info.supp_mcs_set, 16);
- ht_cap->ampdu_params_info =
- (sband->ht_info.ampdu_factor & IEEE80211_HT_CAP_AMPDU_FACTOR) |
- ((sband->ht_info.ampdu_density << 2) &
- IEEE80211_HT_CAP_AMPDU_DENSITY);
- *left -= sizeof(struct ieee80211_ht_cap);
-}
-#else
-static inline void iwl4965_ht_conf(struct iwl_priv *priv,
- struct ieee80211_bss_conf *bss_conf)
-{
-}
-static void iwl_ht_cap_to_ie(const struct ieee80211_supported_band *sband,
- u8 *pos, int *left)
-{
-}
-#endif
-
-
-/**
- * iwl4965_fill_probe_req - fill in all required fields and IE for probe request
- */
-static u16 iwl4965_fill_probe_req(struct iwl_priv *priv,
- enum ieee80211_band band,
- struct ieee80211_mgmt *frame,
- int left, int is_direct)
-{
- int len = 0;
- u8 *pos = NULL;
- u16 active_rates, ret_rates, cck_rates, active_rate_basic;
- const struct ieee80211_supported_band *sband =
- iwl_get_hw_mode(priv, band);
-
- /* Make sure there is enough space for the probe request,
- * two mandatory IEs and the data */
- left -= 24;
- if (left < 0)
- return 0;
- len += 24;
-
- frame->frame_control = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ);
- memcpy(frame->da, iwl_bcast_addr, ETH_ALEN);
- memcpy(frame->sa, priv->mac_addr, ETH_ALEN);
- memcpy(frame->bssid, iwl_bcast_addr, ETH_ALEN);
- frame->seq_ctrl = 0;
-
- /* fill in our indirect SSID IE */
- /* ...next IE... */
-
- left -= 2;
- if (left < 0)
- return 0;
- len += 2;
- pos = &(frame->u.probe_req.variable[0]);
- *pos++ = WLAN_EID_SSID;
- *pos++ = 0;
-
- /* fill in our direct SSID IE... */
- if (is_direct) {
- /* ...next IE... */
- left -= 2 + priv->essid_len;
- if (left < 0)
- return 0;
- /* ... fill it in... */
- *pos++ = WLAN_EID_SSID;
- *pos++ = priv->essid_len;
- memcpy(pos, priv->essid, priv->essid_len);
- pos += priv->essid_len;
- len += 2 + priv->essid_len;
- }
-
- /* fill in supported rate */
- /* ...next IE... */
- left -= 2;
- if (left < 0)
- return 0;
-
- /* ... fill it in... */
- *pos++ = WLAN_EID_SUPP_RATES;
- *pos = 0;
-
- /* exclude 60M rate */
- active_rates = priv->rates_mask;
- active_rates &= ~IWL_RATE_60M_MASK;
-
- active_rate_basic = active_rates & IWL_BASIC_RATES_MASK;
-
- cck_rates = IWL_CCK_RATES_MASK & active_rates;
- ret_rates = iwl4965_supported_rate_to_ie(pos, cck_rates,
- active_rate_basic, &left);
- active_rates &= ~ret_rates;
-
- ret_rates = iwl4965_supported_rate_to_ie(pos, active_rates,
- active_rate_basic, &left);
- active_rates &= ~ret_rates;
-
- len += 2 + *pos;
- pos += (*pos) + 1;
- if (active_rates == 0)
- goto fill_end;
-
- /* fill in supported extended rate */
- /* ...next IE... */
- left -= 2;
- if (left < 0)
- return 0;
- /* ... fill it in... */
- *pos++ = WLAN_EID_EXT_SUPP_RATES;
- *pos = 0;
- iwl4965_supported_rate_to_ie(pos, active_rates,
- active_rate_basic, &left);
- if (*pos > 0)
- len += 2 + *pos;
-
- fill_end:
- /* fill in HT IE */
- left -= 2;
- if (left < 0)
- return 0;
-
- *pos++ = WLAN_EID_HT_CAPABILITY;
- *pos = 0;
-
- iwl_ht_cap_to_ie(sband, pos, &left);
-
- if (*pos > 0)
- len += 2 + *pos;
- return (u16)len;
-}
-
/*
* QoS support
*/
priv->qos_data.def_qos_parm.qos_flags |=
QOS_PARAM_FLG_UPDATE_EDCA_MSK;
-#ifdef CONFIG_IWL4965_HT
if (priv->current_ht_config.is_ht)
priv->qos_data.def_qos_parm.qos_flags |= QOS_PARAM_FLG_TGN_MSK;
-#endif /* CONFIG_IWL4965_HT */
spin_unlock_irqrestore(&priv->lock, flags);
return 1;
}
-#define TX_STATUS_ENTRY(x) case TX_STATUS_FAIL_ ## x: return #x
-
-static const char *iwl4965_get_tx_fail_reason(u32 status)
-{
- switch (status & TX_STATUS_MSK) {
- case TX_STATUS_SUCCESS:
- return "SUCCESS";
- TX_STATUS_ENTRY(SHORT_LIMIT);
- TX_STATUS_ENTRY(LONG_LIMIT);
- TX_STATUS_ENTRY(FIFO_UNDERRUN);
- TX_STATUS_ENTRY(MGMNT_ABORT);
- TX_STATUS_ENTRY(NEXT_FRAG);
- TX_STATUS_ENTRY(LIFE_EXPIRE);
- TX_STATUS_ENTRY(DEST_PS);
- TX_STATUS_ENTRY(ABORTED);
- TX_STATUS_ENTRY(BT_RETRY);
- TX_STATUS_ENTRY(STA_INVALID);
- TX_STATUS_ENTRY(FRAG_DROPPED);
- TX_STATUS_ENTRY(TID_DISABLE);
- TX_STATUS_ENTRY(FRAME_FLUSHED);
- TX_STATUS_ENTRY(INSUFFICIENT_CF_POLL);
- TX_STATUS_ENTRY(TX_LOCKED);
- TX_STATUS_ENTRY(NO_BEACON_ON_RADAR);
- }
-
- return "UNKNOWN";
-}
-
-/**
- * iwl4965_scan_cancel - Cancel any currently executing HW scan
- *
- * NOTE: priv->mutex is not required before calling this function
- */
-static int iwl4965_scan_cancel(struct iwl_priv *priv)
-{
- if (!test_bit(STATUS_SCAN_HW, &priv->status)) {
- clear_bit(STATUS_SCANNING, &priv->status);
- return 0;
- }
-
- if (test_bit(STATUS_SCANNING, &priv->status)) {
- if (!test_bit(STATUS_SCAN_ABORTING, &priv->status)) {
- IWL_DEBUG_SCAN("Queuing scan abort.\n");
- set_bit(STATUS_SCAN_ABORTING, &priv->status);
- queue_work(priv->workqueue, &priv->abort_scan);
-
- } else
- IWL_DEBUG_SCAN("Scan abort already in progress.\n");
-
- return test_bit(STATUS_SCANNING, &priv->status);
- }
-
- return 0;
-}
-
-/**
- * iwl4965_scan_cancel_timeout - Cancel any currently executing HW scan
- * @ms: amount of time to wait (in milliseconds) for scan to abort
- *
- * NOTE: priv->mutex must be held before calling this function
- */
-static int iwl4965_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms)
-{
- unsigned long now = jiffies;
- int ret;
-
- ret = iwl4965_scan_cancel(priv);
- if (ret && ms) {
- mutex_unlock(&priv->mutex);
- while (!time_after(jiffies, now + msecs_to_jiffies(ms)) &&
- test_bit(STATUS_SCANNING, &priv->status))
- msleep(1);
- mutex_lock(&priv->mutex);
-
- return test_bit(STATUS_SCANNING, &priv->status);
- }
-
- return ret;
-}
-
static void iwl4965_sequence_reset(struct iwl_priv *priv)
{
/* Reset ieee stats */
priv->last_frag_num = -1;
priv->last_packet_time = 0;
- iwl4965_scan_cancel(priv);
+ iwl_scan_cancel(priv);
}
#define MAX_UCODE_BEACON_INTERVAL 4096
le16_to_cpu(priv->rxon_timing.atim_window));
}
-static int iwl4965_scan_initiate(struct iwl_priv *priv)
-{
- if (priv->iw_mode == IEEE80211_IF_TYPE_AP) {
- IWL_ERROR("APs don't scan.\n");
- return 0;
- }
-
- if (!iwl_is_ready_rf(priv)) {
- IWL_DEBUG_SCAN("Aborting scan due to not ready.\n");
- return -EIO;
- }
-
- if (test_bit(STATUS_SCANNING, &priv->status)) {
- IWL_DEBUG_SCAN("Scan already in progress.\n");
- return -EAGAIN;
- }
-
- if (test_bit(STATUS_SCAN_ABORTING, &priv->status)) {
- IWL_DEBUG_SCAN("Scan request while abort pending. "
- "Queuing.\n");
- return -EAGAIN;
- }
-
- IWL_DEBUG_INFO("Starting scan...\n");
- priv->scan_bands = 2;
- set_bit(STATUS_SCANNING, &priv->status);
- priv->scan_start = jiffies;
- priv->scan_pass_start = priv->scan_start;
-
- queue_work(priv->workqueue, &priv->request_scan);
-
- return 0;
-}
-
-
-static void iwl4965_set_flags_for_phymode(struct iwl_priv *priv,
- enum ieee80211_band band)
+static void iwl_set_flags_for_band(struct iwl_priv *priv,
+ enum ieee80211_band band)
{
if (band == IEEE80211_BAND_5GHZ) {
priv->staging_rxon.flags &=
priv->staging_rxon.channel = cpu_to_le16(ch_info->channel);
priv->band = ch_info->band;
- iwl4965_set_flags_for_phymode(priv, priv->band);
+ iwl_set_flags_for_band(priv, priv->band);
priv->staging_rxon.ofdm_basic_rates =
(IWL_OFDM_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF;
static int iwl4965_set_mode(struct iwl_priv *priv, int mode)
{
- if (mode == IEEE80211_IF_TYPE_IBSS) {
- const struct iwl_channel_info *ch_info;
-
- ch_info = iwl_get_channel_info(priv,
- priv->band,
- le16_to_cpu(priv->staging_rxon.channel));
-
- if (!ch_info || !is_channel_ibss(ch_info)) {
- IWL_ERROR("channel %d not IBSS channel\n",
- le16_to_cpu(priv->staging_rxon.channel));
- return -EINVAL;
- }
- }
-
priv->iw_mode = mode;
+ /* init channel/phymode to values given at driver init */
+ iwl_set_rxon_channel(priv, IEEE80211_BAND_2GHZ, 6);
+
iwl4965_connection_init_rx_config(priv);
memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN);
return -EAGAIN;
cancel_delayed_work(&priv->scan_check);
- if (iwl4965_scan_cancel_timeout(priv, 100)) {
+ if (iwl_scan_cancel_timeout(priv, 100)) {
IWL_WARNING("Aborted scan still in progress after 100ms\n");
IWL_DEBUG_MAC80211("leaving - scan abort failed.\n");
return -EAGAIN;
(IWL_OFDM_BASIC_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF;
}
-void iwl4965_radio_kill_sw(struct iwl_priv *priv, int disable_radio)
+int iwl4965_radio_kill_sw(struct iwl_priv *priv, int disable_radio)
{
unsigned long flags;
if (!!disable_radio == test_bit(STATUS_RF_KILL_SW, &priv->status))
- return;
+ return 0;
IWL_DEBUG_RF_KILL("Manual SW RF KILL set to: RADIO %s\n",
disable_radio ? "OFF" : "ON");
if (disable_radio) {
- iwl4965_scan_cancel(priv);
+ iwl_scan_cancel(priv);
/* FIXME: This is a workaround for AP */
if (priv->iw_mode != IEEE80211_IF_TYPE_AP) {
spin_lock_irqsave(&priv->lock, flags);
if (priv->mac80211_registered)
ieee80211_stop_queues(priv->hw);
}
- return;
+ return 0;
}
spin_lock_irqsave(&priv->lock, flags);
if (test_bit(STATUS_RF_KILL_HW, &priv->status)) {
IWL_DEBUG_RF_KILL("Can not turn radio back on - "
"disabled by HW switch\n");
- return;
+ return 0;
}
queue_work(priv->workqueue, &priv->restart);
- return;
+ return 1;
}
#define IWL_PACKET_RETRY_TIME HZ
}
#endif
-static void iwl4965_txstatus_to_ieee(struct iwl_priv *priv,
- struct iwl_tx_info *tx_sta)
-{
- ieee80211_tx_status_irqsafe(priv->hw, tx_sta->skb[0]);
- tx_sta->skb[0] = NULL;
-}
-
-/**
- * iwl4965_tx_queue_reclaim - Reclaim Tx queue entries already Tx'd
- *
- * When FW advances 'R' index, all entries between old and new 'R' index
- * need to be reclaimed. As result, some free space forms. If there is
- * enough free space (> low mark), wake the stack that feeds us.
- */
-int iwl4965_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index)
-{
- struct iwl_tx_queue *txq = &priv->txq[txq_id];
- struct iwl_queue *q = &txq->q;
- int nfreed = 0;
-
- if ((index >= q->n_bd) || (iwl_queue_used(q, index) == 0)) {
- IWL_ERROR("Read index for DMA queue txq id (%d), index %d, "
- "is out of range [0-%d] %d %d.\n", txq_id,
- index, q->n_bd, q->write_ptr, q->read_ptr);
- return 0;
- }
-
- for (index = iwl_queue_inc_wrap(index, q->n_bd);
- q->read_ptr != index;
- q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) {
- if (txq_id != IWL_CMD_QUEUE_NUM) {
- iwl4965_txstatus_to_ieee(priv,
- &(txq->txb[txq->q.read_ptr]));
- iwl_hw_txq_free_tfd(priv, txq);
- } else if (nfreed > 1) {
- IWL_ERROR("HCMD skipped: index (%d) %d %d\n", index,
- q->write_ptr, q->read_ptr);
- queue_work(priv->workqueue, &priv->restart);
- }
- nfreed++;
- }
-
- return nfreed;
-}
-
-static int iwl4965_is_tx_success(u32 status)
-{
- status &= TX_STATUS_MSK;
- return (status == TX_STATUS_SUCCESS)
- || (status == TX_STATUS_DIRECT_DONE);
-}
-
/******************************************************************************
*
* Generic RX handler implementations
*
******************************************************************************/
-#ifdef CONFIG_IWL4965_HT
-
-static inline int iwl4965_get_ra_sta_id(struct iwl_priv *priv,
- struct ieee80211_hdr *hdr)
-{
- if (priv->iw_mode == IEEE80211_IF_TYPE_STA)
- return IWL_AP_ID;
- else {
- u8 *da = ieee80211_get_DA(hdr);
- return iwl_find_station(priv, da);
- }
-}
-
-static struct ieee80211_hdr *iwl4965_tx_queue_get_hdr(
- struct iwl_priv *priv, int txq_id, int idx)
-{
- if (priv->txq[txq_id].txb[idx].skb[0])
- return (struct ieee80211_hdr *)priv->txq[txq_id].
- txb[idx].skb[0]->data;
- return NULL;
-}
-
-static inline u32 iwl4965_get_scd_ssn(struct iwl4965_tx_resp *tx_resp)
-{
- __le32 *scd_ssn = (__le32 *)((u32 *)&tx_resp->status +
- tx_resp->frame_count);
- return le32_to_cpu(*scd_ssn) & MAX_SN;
-
-}
-
-/**
- * iwl4965_tx_status_reply_tx - Handle Tx rspnse for frames in aggregation queue
- */
-static int iwl4965_tx_status_reply_tx(struct iwl_priv *priv,
- struct iwl_ht_agg *agg,
- struct iwl4965_tx_resp_agg *tx_resp,
- u16 start_idx)
-{
- u16 status;
- struct agg_tx_status *frame_status = &tx_resp->status;
- struct ieee80211_tx_info *info = NULL;
- struct ieee80211_hdr *hdr = NULL;
- int i, sh;
- int txq_id, idx;
- u16 seq;
-
- if (agg->wait_for_ba)
- IWL_DEBUG_TX_REPLY("got tx response w/o block-ack\n");
-
- agg->frame_count = tx_resp->frame_count;
- agg->start_idx = start_idx;
- agg->rate_n_flags = le32_to_cpu(tx_resp->rate_n_flags);
- agg->bitmap = 0;
-
- /* # frames attempted by Tx command */
- if (agg->frame_count == 1) {
- /* Only one frame was attempted; no block-ack will arrive */
- status = le16_to_cpu(frame_status[0].status);
- seq = le16_to_cpu(frame_status[0].sequence);
- idx = SEQ_TO_INDEX(seq);
- txq_id = SEQ_TO_QUEUE(seq);
-
- /* FIXME: code repetition */
- IWL_DEBUG_TX_REPLY("FrameCnt = %d, StartIdx=%d idx=%d\n",
- agg->frame_count, agg->start_idx, idx);
-
- info = IEEE80211_SKB_CB(priv->txq[txq_id].txb[idx].skb[0]);
- info->status.retry_count = tx_resp->failure_frame;
- info->flags &= ~IEEE80211_TX_CTL_AMPDU;
- info->flags |= iwl4965_is_tx_success(status)?
- IEEE80211_TX_STAT_ACK : 0;
- iwl4965_hwrate_to_tx_control(priv,
- le32_to_cpu(tx_resp->rate_n_flags),
- info);
- /* FIXME: code repetition end */
-
- IWL_DEBUG_TX_REPLY("1 Frame 0x%x failure :%d\n",
- status & 0xff, tx_resp->failure_frame);
- IWL_DEBUG_TX_REPLY("Rate Info rate_n_flags=%x\n",
- iwl4965_hw_get_rate_n_flags(tx_resp->rate_n_flags));
-
- agg->wait_for_ba = 0;
- } else {
- /* Two or more frames were attempted; expect block-ack */
- u64 bitmap = 0;
- int start = agg->start_idx;
-
- /* Construct bit-map of pending frames within Tx window */
- for (i = 0; i < agg->frame_count; i++) {
- u16 sc;
- status = le16_to_cpu(frame_status[i].status);
- seq = le16_to_cpu(frame_status[i].sequence);
- idx = SEQ_TO_INDEX(seq);
- txq_id = SEQ_TO_QUEUE(seq);
-
- if (status & (AGG_TX_STATE_FEW_BYTES_MSK |
- AGG_TX_STATE_ABORT_MSK))
- continue;
-
- IWL_DEBUG_TX_REPLY("FrameCnt = %d, txq_id=%d idx=%d\n",
- agg->frame_count, txq_id, idx);
-
- hdr = iwl4965_tx_queue_get_hdr(priv, txq_id, idx);
-
- sc = le16_to_cpu(hdr->seq_ctrl);
- if (idx != (SEQ_TO_SN(sc) & 0xff)) {
- IWL_ERROR("BUG_ON idx doesn't match seq control"
- " idx=%d, seq_idx=%d, seq=%d\n",
- idx, SEQ_TO_SN(sc),
- hdr->seq_ctrl);
- return -1;
- }
-
- IWL_DEBUG_TX_REPLY("AGG Frame i=%d idx %d seq=%d\n",
- i, idx, SEQ_TO_SN(sc));
-
- sh = idx - start;
- if (sh > 64) {
- sh = (start - idx) + 0xff;
- bitmap = bitmap << sh;
- sh = 0;
- start = idx;
- } else if (sh < -64)
- sh = 0xff - (start - idx);
- else if (sh < 0) {
- sh = start - idx;
- start = idx;
- bitmap = bitmap << sh;
- sh = 0;
- }
- bitmap |= (1 << sh);
- IWL_DEBUG_TX_REPLY("start=%d bitmap=0x%x\n",
- start, (u32)(bitmap & 0xFFFFFFFF));
- }
-
- agg->bitmap = bitmap;
- agg->start_idx = start;
- agg->rate_n_flags = le32_to_cpu(tx_resp->rate_n_flags);
- IWL_DEBUG_TX_REPLY("Frames %d start_idx=%d bitmap=0x%llx\n",
- agg->frame_count, agg->start_idx,
- (unsigned long long)agg->bitmap);
-
- if (bitmap)
- agg->wait_for_ba = 1;
- }
- return 0;
-}
-#endif
-
-/**
- * iwl4965_rx_reply_tx - Handle standard (non-aggregation) Tx response
- */
-static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
+static void iwl_rx_reply_alive(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb)
{
struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
- u16 sequence = le16_to_cpu(pkt->hdr.sequence);
- int txq_id = SEQ_TO_QUEUE(sequence);
- int index = SEQ_TO_INDEX(sequence);
- struct iwl_tx_queue *txq = &priv->txq[txq_id];
- struct ieee80211_tx_info *info;
- struct iwl4965_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
- u32 status = le32_to_cpu(tx_resp->status);
-#ifdef CONFIG_IWL4965_HT
- int tid = MAX_TID_COUNT, sta_id = IWL_INVALID_STATION;
- u16 fc;
- struct ieee80211_hdr *hdr;
- u8 *qc = NULL;
-#endif
-
- if ((index >= txq->q.n_bd) || (iwl_queue_used(&txq->q, index) == 0)) {
- IWL_ERROR("Read index for DMA queue txq_id (%d) index %d "
- "is out of range [0-%d] %d %d\n", txq_id,
- index, txq->q.n_bd, txq->q.write_ptr,
- txq->q.read_ptr);
- return;
- }
-
- info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb[0]);
- memset(&info->status, 0, sizeof(info->status));
-
-#ifdef CONFIG_IWL4965_HT
- hdr = iwl4965_tx_queue_get_hdr(priv, txq_id, index);
- fc = le16_to_cpu(hdr->frame_control);
- if (ieee80211_is_qos_data(fc)) {
- qc = ieee80211_get_qos_ctrl(hdr, ieee80211_get_hdrlen(fc));
- tid = qc[0] & 0xf;
- }
-
- sta_id = iwl4965_get_ra_sta_id(priv, hdr);
- if (txq->sched_retry && unlikely(sta_id == IWL_INVALID_STATION)) {
- IWL_ERROR("Station not known\n");
- return;
- }
-
- if (txq->sched_retry) {
- const u32 scd_ssn = iwl4965_get_scd_ssn(tx_resp);
- struct iwl_ht_agg *agg = NULL;
-
- if (!qc)
- return;
-
- agg = &priv->stations[sta_id].tid[tid].agg;
-
- iwl4965_tx_status_reply_tx(priv, agg,
- (struct iwl4965_tx_resp_agg *)tx_resp, index);
-
- if ((tx_resp->frame_count == 1) &&
- !iwl4965_is_tx_success(status)) {
- /* TODO: send BAR */
- }
-
- if (txq->q.read_ptr != (scd_ssn & 0xff)) {
- int freed, ampdu_q;
- index = iwl_queue_dec_wrap(scd_ssn & 0xff, txq->q.n_bd);
- IWL_DEBUG_TX_REPLY("Retry scheduler reclaim scd_ssn "
- "%d index %d\n", scd_ssn , index);
- freed = iwl4965_tx_queue_reclaim(priv, txq_id, index);
- priv->stations[sta_id].tid[tid].tfds_in_queue -= freed;
-
- if (iwl_queue_space(&txq->q) > txq->q.low_mark &&
- txq_id >= 0 && priv->mac80211_registered &&
- agg->state != IWL_EMPTYING_HW_QUEUE_DELBA) {
- /* calculate mac80211 ampdu sw queue to wake */
- ampdu_q = txq_id - IWL_BACK_QUEUE_FIRST_ID +
- priv->hw->queues;
- if (agg->state == IWL_AGG_OFF)
- ieee80211_wake_queue(priv->hw, txq_id);
- else
- ieee80211_wake_queue(priv->hw, ampdu_q);
- }
- iwl4965_check_empty_hw_queue(priv, sta_id, tid, txq_id);
- }
- } else {
-#endif /* CONFIG_IWL4965_HT */
-
- info->status.retry_count = tx_resp->failure_frame;
- info->flags |=
- iwl4965_is_tx_success(status) ? IEEE80211_TX_STAT_ACK : 0;
- iwl4965_hwrate_to_tx_control(priv, le32_to_cpu(tx_resp->rate_n_flags),
- info);
-
- IWL_DEBUG_TX("Tx queue %d Status %s (0x%08x) rate_n_flags 0x%x "
- "retries %d\n", txq_id, iwl4965_get_tx_fail_reason(status),
- status, le32_to_cpu(tx_resp->rate_n_flags),
- tx_resp->failure_frame);
-
- IWL_DEBUG_TX_REPLY("Tx queue reclaim %d\n", index);
-#ifdef CONFIG_IWL4965_HT
- if (index != -1) {
- int freed = iwl4965_tx_queue_reclaim(priv, txq_id, index);
- if (tid != MAX_TID_COUNT)
- priv->stations[sta_id].tid[tid].tfds_in_queue -= freed;
- if (iwl_queue_space(&txq->q) > txq->q.low_mark &&
- (txq_id >= 0) && priv->mac80211_registered)
- ieee80211_wake_queue(priv->hw, txq_id);
- if (tid != MAX_TID_COUNT)
- iwl4965_check_empty_hw_queue(priv, sta_id, tid, txq_id);
- }
- }
-#endif /* CONFIG_IWL4965_HT */
-
- if (iwl_check_bits(status, TX_ABORT_REQUIRED_MSK))
- IWL_ERROR("TODO: Implement Tx ABORT REQUIRED!!!\n");
-}
-
-
-static void iwl4965_rx_reply_alive(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
-{
- struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
- struct iwl4965_alive_resp *palive;
+ struct iwl_alive_resp *palive;
struct delayed_work *pwork;
palive = &pkt->u.alive_frame;
IWL_DEBUG_INFO("Initialization Alive received.\n");
memcpy(&priv->card_alive_init,
&pkt->u.alive_frame,
- sizeof(struct iwl4965_init_alive_resp));
+ sizeof(struct iwl_init_alive_resp));
pwork = &priv->init_alive_start;
} else {
IWL_DEBUG_INFO("Runtime Alive received.\n");
memcpy(&priv->card_alive, &pkt->u.alive_frame,
- sizeof(struct iwl4965_alive_resp));
+ sizeof(struct iwl_alive_resp));
pwork = &priv->alive_start;
}
IWL_WARNING("uCode did not respond OK.\n");
}
-static void iwl4965_rx_reply_add_sta(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
-{
- struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
-
- IWL_DEBUG_RX("Received REPLY_ADD_STA: 0x%02X\n", pkt->u.status);
- return;
-}
-
static void iwl4965_rx_reply_error(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb)
{
iwl4965_send_beacon_cmd(priv);
}
+/**
+ * iwl4965_bg_statistics_periodic - Timer callback to queue statistics
+ *
+ * This callback is provided in order to send a statistics request.
+ *
+ * This timer function is continually reset to execute within
+ * REG_RECALIB_PERIOD seconds since the last STATISTICS_NOTIFICATION
+ * was received. We need to ensure we receive the statistics in order
+ * to update the temperature used for calibrating the TXPOWER.
+ */
+static void iwl4965_bg_statistics_periodic(unsigned long data)
+{
+ struct iwl_priv *priv = (struct iwl_priv *)data;
+
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+ return;
+
+ iwl_send_statistics_request(priv, CMD_ASYNC);
+}
+
static void iwl4965_rx_beacon_notif(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb)
{
#ifdef CONFIG_IWLWIFI_DEBUG
struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
struct iwl4965_beacon_notif *beacon = &(pkt->u.beacon_status);
- u8 rate = iwl4965_hw_get_rate(beacon->beacon_notify_hdr.rate_n_flags);
+ u8 rate = iwl_hw_get_rate(beacon->beacon_notify_hdr.rate_n_flags);
IWL_DEBUG_RX("beacon status %x retries %d iss %d "
"tsf %d %d rate %d\n",
- le32_to_cpu(beacon->beacon_notify_hdr.status) & TX_STATUS_MSK,
+ le32_to_cpu(beacon->beacon_notify_hdr.u.status) & TX_STATUS_MSK,
beacon->beacon_notify_hdr.failure_frame,
le32_to_cpu(beacon->ibss_mgr_status),
le32_to_cpu(beacon->high_tsf),
queue_work(priv->workqueue, &priv->beacon_update);
}
-/* Service response to REPLY_SCAN_CMD (0x80) */
-static void iwl4965_rx_reply_scan(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
-{
-#ifdef CONFIG_IWLWIFI_DEBUG
- struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
- struct iwl4965_scanreq_notification *notif =
- (struct iwl4965_scanreq_notification *)pkt->u.raw;
-
- IWL_DEBUG_RX("Scan request status = 0x%x\n", notif->status);
-#endif
-}
-
-/* Service SCAN_START_NOTIFICATION (0x82) */
-static void iwl4965_rx_scan_start_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
-{
- struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
- struct iwl4965_scanstart_notification *notif =
- (struct iwl4965_scanstart_notification *)pkt->u.raw;
- priv->scan_start_tsf = le32_to_cpu(notif->tsf_low);
- IWL_DEBUG_SCAN("Scan start: "
- "%d [802.11%s] "
- "(TSF: 0x%08X:%08X) - %d (beacon timer %u)\n",
- notif->channel,
- notif->band ? "bg" : "a",
- notif->tsf_high,
- notif->tsf_low, notif->status, notif->beacon_timer);
-}
-
-/* Service SCAN_RESULTS_NOTIFICATION (0x83) */
-static void iwl4965_rx_scan_results_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
-{
- struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
- struct iwl4965_scanresults_notification *notif =
- (struct iwl4965_scanresults_notification *)pkt->u.raw;
-
- IWL_DEBUG_SCAN("Scan ch.res: "
- "%d [802.11%s] "
- "(TSF: 0x%08X:%08X) - %d "
- "elapsed=%lu usec (%dms since last)\n",
- notif->channel,
- notif->band ? "bg" : "a",
- le32_to_cpu(notif->tsf_high),
- le32_to_cpu(notif->tsf_low),
- le32_to_cpu(notif->statistics[0]),
- le32_to_cpu(notif->tsf_low) - priv->scan_start_tsf,
- jiffies_to_msecs(elapsed_jiffies
- (priv->last_scan_jiffies, jiffies)));
-
- priv->last_scan_jiffies = jiffies;
- priv->next_scan_jiffies = 0;
-}
-
-/* Service SCAN_COMPLETE_NOTIFICATION (0x84) */
-static void iwl4965_rx_scan_complete_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
-{
- struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
- struct iwl4965_scancomplete_notification *scan_notif = (void *)pkt->u.raw;
-
- IWL_DEBUG_SCAN("Scan complete: %d channels (TSF 0x%08X:%08X) - %d\n",
- scan_notif->scanned_channels,
- scan_notif->tsf_low,
- scan_notif->tsf_high, scan_notif->status);
-
- /* The HW is no longer scanning */
- clear_bit(STATUS_SCAN_HW, &priv->status);
-
- /* The scan completion notification came in, so kill that timer... */
- cancel_delayed_work(&priv->scan_check);
-
- IWL_DEBUG_INFO("Scan pass on %sGHz took %dms\n",
- (priv->scan_bands == 2) ? "2.4" : "5.2",
- jiffies_to_msecs(elapsed_jiffies
- (priv->scan_pass_start, jiffies)));
-
- /* Remove this scanned band from the list
- * of pending bands to scan */
- priv->scan_bands--;
-
- /* If a request to abort was given, or the scan did not succeed
- * then we reset the scan state machine and terminate,
- * re-queuing another scan if one has been requested */
- if (test_bit(STATUS_SCAN_ABORTING, &priv->status)) {
- IWL_DEBUG_INFO("Aborted scan completed.\n");
- clear_bit(STATUS_SCAN_ABORTING, &priv->status);
- } else {
- /* If there are more bands on this scan pass reschedule */
- if (priv->scan_bands > 0)
- goto reschedule;
- }
-
- priv->last_scan_jiffies = jiffies;
- priv->next_scan_jiffies = 0;
- IWL_DEBUG_INFO("Setting scan to off\n");
-
- clear_bit(STATUS_SCANNING, &priv->status);
-
- IWL_DEBUG_INFO("Scan took %dms\n",
- jiffies_to_msecs(elapsed_jiffies(priv->scan_start, jiffies)));
-
- queue_work(priv->workqueue, &priv->scan_completed);
-
- return;
-
-reschedule:
- priv->scan_pass_start = jiffies;
- queue_work(priv->workqueue, &priv->request_scan);
-}
-
/* Handle notification from uCode that card's power state is changing
* due to software, hardware, or critical temperature RFKILL */
static void iwl4965_rx_card_state_notif(struct iwl_priv *priv,
clear_bit(STATUS_RF_KILL_SW, &priv->status);
if (!(flags & RXON_CARD_DISABLED))
- iwl4965_scan_cancel(priv);
+ iwl_scan_cancel(priv);
if ((test_bit(STATUS_RF_KILL_HW, &status) !=
test_bit(STATUS_RF_KILL_HW, &priv->status)) ||
wake_up_interruptible(&priv->wait_command_queue);
}
+/* Cache phy data (Rx signal strength, etc) for HT frame (REPLY_RX_PHY_CMD).
+ * This will be used later in iwl4965_rx_reply_rx() for REPLY_RX_MPDU_CMD. */
+static void iwl4965_rx_reply_rx_phy(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb)
+{
+ struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+ priv->last_phy_res[0] = 1;
+ memcpy(&priv->last_phy_res[1], &(pkt->u.raw[0]),
+ sizeof(struct iwl4965_rx_phy_res));
+}
+
/**
* iwl4965_setup_rx_handlers - Initialize Rx handler callbacks
*
*/
static void iwl4965_setup_rx_handlers(struct iwl_priv *priv)
{
- priv->rx_handlers[REPLY_ALIVE] = iwl4965_rx_reply_alive;
- priv->rx_handlers[REPLY_ADD_STA] = iwl4965_rx_reply_add_sta;
+ priv->rx_handlers[REPLY_ALIVE] = iwl_rx_reply_alive;
priv->rx_handlers[REPLY_ERROR] = iwl4965_rx_reply_error;
priv->rx_handlers[CHANNEL_SWITCH_NOTIFICATION] = iwl4965_rx_csa;
priv->rx_handlers[SPECTRUM_MEASURE_NOTIFICATION] =
priv->rx_handlers[REPLY_STATISTICS_CMD] = iwl4965_hw_rx_statistics;
priv->rx_handlers[STATISTICS_NOTIFICATION] = iwl4965_hw_rx_statistics;
- priv->rx_handlers[REPLY_SCAN_CMD] = iwl4965_rx_reply_scan;
- priv->rx_handlers[SCAN_START_NOTIFICATION] = iwl4965_rx_scan_start_notif;
- priv->rx_handlers[SCAN_RESULTS_NOTIFICATION] =
- iwl4965_rx_scan_results_notif;
- priv->rx_handlers[SCAN_COMPLETE_NOTIFICATION] =
- iwl4965_rx_scan_complete_notif;
+ iwl_setup_rx_scan_handlers(priv);
+
+ /* status change handler */
priv->rx_handlers[CARD_STATE_NOTIFICATION] = iwl4965_rx_card_state_notif;
- priv->rx_handlers[REPLY_TX] = iwl4965_rx_reply_tx;
+ priv->rx_handlers[MISSED_BEACONS_NOTIFICATION] =
+ iwl_rx_missed_beacon_notif;
+ /* Rx handlers */
+ priv->rx_handlers[REPLY_RX_PHY_CMD] = iwl4965_rx_reply_rx_phy;
+ priv->rx_handlers[REPLY_RX_MPDU_CMD] = iwl4965_rx_reply_rx;
/* Set up hardware specific Rx handlers */
priv->cfg->ops->lib->rx_handler_setup(priv);
}
-/**
- * iwl4965_tx_cmd_complete - Pull unused buffers off the queue and reclaim them
- * @rxb: Rx buffer to reclaim
- *
- * If an Rx buffer has an async callback associated with it the callback
- * will be executed. The attached skb (if present) will only be freed
- * if the callback returns 1
- */
-static void iwl4965_tx_cmd_complete(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
-{
- struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
- u16 sequence = le16_to_cpu(pkt->hdr.sequence);
- int txq_id = SEQ_TO_QUEUE(sequence);
- int index = SEQ_TO_INDEX(sequence);
- int huge = sequence & SEQ_HUGE_FRAME;
- int cmd_index;
- struct iwl_cmd *cmd;
-
- /* If a Tx command is being handled and it isn't in the actual
- * command queue then there a command routing bug has been introduced
- * in the queue management code. */
- if (txq_id != IWL_CMD_QUEUE_NUM)
- IWL_ERROR("Error wrong command queue %d command id 0x%X\n",
- txq_id, pkt->hdr.cmd);
- BUG_ON(txq_id != IWL_CMD_QUEUE_NUM);
-
- cmd_index = get_cmd_index(&priv->txq[IWL_CMD_QUEUE_NUM].q, index, huge);
- cmd = &priv->txq[IWL_CMD_QUEUE_NUM].cmd[cmd_index];
-
- /* Input error checking is done when commands are added to queue. */
- if (cmd->meta.flags & CMD_WANT_SKB) {
- cmd->meta.source->u.skb = rxb->skb;
- rxb->skb = NULL;
- } else if (cmd->meta.u.callback &&
- !cmd->meta.u.callback(priv, cmd, rxb->skb))
- rxb->skb = NULL;
-
- iwl4965_tx_queue_reclaim(priv, txq_id, index);
-
- if (!(cmd->meta.flags & CMD_ASYNC)) {
- clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
- wake_up_interruptible(&priv->wait_command_queue);
- }
-}
-
/*
* this should be called while priv->lock is locked
*/
* fire off the (possibly) blocking iwl_send_cmd()
* as we reclaim the driver command queue */
if (rxb && rxb->skb)
- iwl4965_tx_cmd_complete(priv, rxb);
+ iwl_tx_cmd_complete(priv, rxb);
else
IWL_WARNING("Claim null rxb?\n");
}
return IRQ_NONE;
}
-/* For active scan, listen ACTIVE_DWELL_TIME (msec) on each channel after
- * sending probe req. This should be set long enough to hear probe responses
- * from more than one AP. */
-#define IWL_ACTIVE_DWELL_TIME_24 (20) /* all times in msec */
-#define IWL_ACTIVE_DWELL_TIME_52 (10)
-
-/* For faster active scanning, scan will move to the next channel if fewer than
- * PLCP_QUIET_THRESH packets are heard on this channel within
- * ACTIVE_QUIET_TIME after sending probe request. This shortens the dwell
- * time if it's a quiet channel (nothing responded to our probe, and there's
- * no other traffic).
- * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */
-#define IWL_PLCP_QUIET_THRESH __constant_cpu_to_le16(1) /* packets */
-#define IWL_ACTIVE_QUIET_TIME __constant_cpu_to_le16(5) /* msec */
-
-/* For passive scan, listen PASSIVE_DWELL_TIME (msec) on each channel.
- * Must be set longer than active dwell time.
- * For the most reliable scan, set > AP beacon interval (typically 100msec). */
-#define IWL_PASSIVE_DWELL_TIME_24 (20) /* all times in msec */
-#define IWL_PASSIVE_DWELL_TIME_52 (10)
-#define IWL_PASSIVE_DWELL_BASE (100)
-#define IWL_CHANNEL_TUNE_TIME 5
-
-static inline u16 iwl4965_get_active_dwell_time(struct iwl_priv *priv,
- enum ieee80211_band band)
-{
- if (band == IEEE80211_BAND_5GHZ)
- return IWL_ACTIVE_DWELL_TIME_52;
- else
- return IWL_ACTIVE_DWELL_TIME_24;
-}
-
-static u16 iwl4965_get_passive_dwell_time(struct iwl_priv *priv,
- enum ieee80211_band band)
-{
- u16 active = iwl4965_get_active_dwell_time(priv, band);
- u16 passive = (band != IEEE80211_BAND_5GHZ) ?
- IWL_PASSIVE_DWELL_BASE + IWL_PASSIVE_DWELL_TIME_24 :
- IWL_PASSIVE_DWELL_BASE + IWL_PASSIVE_DWELL_TIME_52;
-
- if (iwl_is_associated(priv)) {
- /* If we're associated, we clamp the maximum passive
- * dwell time to be 98% of the beacon interval (minus
- * 2 * channel tune time) */
- passive = priv->beacon_int;
- if ((passive > IWL_PASSIVE_DWELL_BASE) || !passive)
- passive = IWL_PASSIVE_DWELL_BASE;
- passive = (passive * 98) / 100 - IWL_CHANNEL_TUNE_TIME * 2;
- }
-
- if (passive <= active)
- passive = active + 1;
-
- return passive;
-}
-
-static int iwl4965_get_channels_for_scan(struct iwl_priv *priv,
- enum ieee80211_band band,
- u8 is_active, u8 direct_mask,
- struct iwl4965_scan_channel *scan_ch)
-{
- const struct ieee80211_channel *channels = NULL;
- const struct ieee80211_supported_band *sband;
- const struct iwl_channel_info *ch_info;
- u16 passive_dwell = 0;
- u16 active_dwell = 0;
- int added, i;
-
- sband = iwl_get_hw_mode(priv, band);
- if (!sband)
- return 0;
-
- channels = sband->channels;
-
- active_dwell = iwl4965_get_active_dwell_time(priv, band);
- passive_dwell = iwl4965_get_passive_dwell_time(priv, band);
-
- for (i = 0, added = 0; i < sband->n_channels; i++) {
- if (channels[i].flags & IEEE80211_CHAN_DISABLED)
- continue;
-
- scan_ch->channel = ieee80211_frequency_to_channel(channels[i].center_freq);
-
- ch_info = iwl_get_channel_info(priv, band,
- scan_ch->channel);
- if (!is_channel_valid(ch_info)) {
- IWL_DEBUG_SCAN("Channel %d is INVALID for this SKU.\n",
- scan_ch->channel);
- continue;
- }
-
- if (!is_active || is_channel_passive(ch_info) ||
- (channels[i].flags & IEEE80211_CHAN_PASSIVE_SCAN))
- scan_ch->type = 0; /* passive */
- else
- scan_ch->type = 1; /* active */
-
- if (scan_ch->type & 1)
- scan_ch->type |= (direct_mask << 1);
-
- scan_ch->active_dwell = cpu_to_le16(active_dwell);
- scan_ch->passive_dwell = cpu_to_le16(passive_dwell);
-
- /* Set txpower levels to defaults */
- scan_ch->tpc.dsp_atten = 110;
- /* scan_pwr_info->tpc.dsp_atten; */
-
- /*scan_pwr_info->tpc.tx_gain; */
- if (band == IEEE80211_BAND_5GHZ)
- scan_ch->tpc.tx_gain = ((1 << 5) | (3 << 3)) | 3;
- else {
- scan_ch->tpc.tx_gain = ((1 << 5) | (5 << 3));
- /* NOTE: if we were doing 6Mb OFDM for scans we'd use
- * power level:
- * scan_ch->tpc.tx_gain = ((1 << 5) | (2 << 3)) | 3;
- */
- }
-
- IWL_DEBUG_SCAN("Scanning %d [%s %d]\n",
- scan_ch->channel,
- (scan_ch->type & 1) ? "ACTIVE" : "PASSIVE",
- (scan_ch->type & 1) ?
- active_dwell : passive_dwell);
-
- scan_ch++;
- added++;
- }
-
- IWL_DEBUG_SCAN("total channels to scan %d \n", added);
- return added;
-}
-
/******************************************************************************
*
* uCode download functions
}
/**
- * iwl4965_alive_start - called after REPLY_ALIVE notification received
+ * iwl_alive_start - called after REPLY_ALIVE notification received
* from protocol/runtime uCode (initialization uCode's
- * Alive gets handled by iwl4965_init_alive_start()).
+ * Alive gets handled by iwl_init_alive_start()).
*/
-static void iwl4965_alive_start(struct iwl_priv *priv)
+static void iwl_alive_start(struct iwl_priv *priv)
{
int ret = 0;
}
iwlcore_clear_stations_table(priv);
-
ret = priv->cfg->ops->lib->alive_notify(priv);
if (ret) {
IWL_WARNING("Could not complete ALIVE transition [ntf]: %d\n",
/* After the ALIVE response, we can send host commands to 4965 uCode */
set_bit(STATUS_ALIVE, &priv->status);
- /* Clear out the uCode error bit if it is set */
- clear_bit(STATUS_FW_ERROR, &priv->status);
-
if (iwl_is_rfkill(priv))
return;
/* Configure Bluetooth device coexistence support */
iwl4965_send_bt_config(priv);
+ iwl_reset_run_time_calib(priv);
+
/* Configure the adapter for unassociated operation */
iwl4965_commit_rxon(priv);
/* At this point, the NIC is initialized and operational */
- priv->notif_missed_beacons = 0;
-
iwl4965_rf_kill_ct_config(priv);
iwl_leds_register(priv);
iwlcore_low_level_notify(priv, IWLCORE_START_EVT);
ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC);
+
+ if (test_and_clear_bit(STATUS_MODE_PENDING, &priv->status))
+ iwl4965_set_mode(priv, priv->iw_mode);
+
return;
restart:
queue_work(priv->workqueue, &priv->restart);
}
-static void iwl4965_cancel_deferred_work(struct iwl_priv *priv);
+static void iwl_cancel_deferred_work(struct iwl_priv *priv);
static void __iwl4965_down(struct iwl_priv *priv)
{
CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
spin_unlock_irqrestore(&priv->lock, flags);
- iwl4965_hw_txq_ctx_stop(priv);
- iwl4965_hw_rxq_stop(priv);
+ iwl_txq_ctx_stop(priv);
+ iwl_rxq_stop(priv);
spin_lock_irqsave(&priv->lock, flags);
if (!iwl_grab_nic_access(priv)) {
udelay(5);
- iwl4965_hw_nic_stop_master(priv);
- iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
- iwl4965_hw_nic_reset(priv);
+ /* FIXME: apm_ops.suspend(priv) */
+ priv->cfg->ops->lib->apm_ops.reset(priv);
priv->cfg->ops->lib->free_shared_mem(priv);
exit:
- memset(&priv->card_alive, 0, sizeof(struct iwl4965_alive_resp));
+ memset(&priv->card_alive, 0, sizeof(struct iwl_alive_resp));
if (priv->ibss_beacon)
dev_kfree_skb(priv->ibss_beacon);
__iwl4965_down(priv);
mutex_unlock(&priv->mutex);
- iwl4965_cancel_deferred_work(priv);
+ iwl_cancel_deferred_work(priv);
}
#define MAX_HW_RESTARTS 5
return -EIO;
}
- if (test_bit(STATUS_RF_KILL_SW, &priv->status)) {
- IWL_WARNING("Radio disabled by SW RF kill (module "
- "parameter)\n");
- iwl_rfkill_set_hw_state(priv);
- return -ENODEV;
- }
-
if (!priv->ucode_data_backup.v_addr || !priv->ucode_data.v_addr) {
IWL_ERROR("ucode not available for device bringup\n");
return -EIO;
priv->ucode_data.len);
/* We return success when we resume from suspend and rf_kill is on. */
- if (test_bit(STATUS_RF_KILL_HW, &priv->status))
+ if (test_bit(STATUS_RF_KILL_HW, &priv->status) ||
+ test_bit(STATUS_RF_KILL_SW, &priv->status))
return 0;
for (i = 0; i < MAX_HW_RESTARTS; i++) {
continue;
}
+ /* Clear out the uCode error bit if it is set */
+ clear_bit(STATUS_FW_ERROR, &priv->status);
+
/* start card; "initialize" will load runtime ucode */
iwl4965_nic_start(priv);
set_bit(STATUS_EXIT_PENDING, &priv->status);
__iwl4965_down(priv);
+ clear_bit(STATUS_EXIT_PENDING, &priv->status);
/* tried to restart and config the device for as long as our
* patience could withstand */
*
*****************************************************************************/
-static void iwl4965_bg_init_alive_start(struct work_struct *data)
+static void iwl_bg_init_alive_start(struct work_struct *data)
{
struct iwl_priv *priv =
container_of(data, struct iwl_priv, init_alive_start.work);
mutex_unlock(&priv->mutex);
}
-static void iwl4965_bg_alive_start(struct work_struct *data)
+static void iwl_bg_alive_start(struct work_struct *data)
{
struct iwl_priv *priv =
container_of(data, struct iwl_priv, alive_start.work);
return;
mutex_lock(&priv->mutex);
- iwl4965_alive_start(priv);
+ iwl_alive_start(priv);
mutex_unlock(&priv->mutex);
}
{
struct iwl_priv *priv = container_of(work,
struct iwl_priv, set_monitor);
+ int ret;
IWL_DEBUG(IWL_DL_STATE, "setting monitor mode\n");
mutex_lock(&priv->mutex);
- if (!iwl_is_ready(priv))
- IWL_DEBUG(IWL_DL_STATE, "leave - not ready\n");
- else
- if (iwl4965_set_mode(priv, IEEE80211_IF_TYPE_MNTR) != 0)
- IWL_ERROR("iwl4965_set_mode() failed\n");
-
- mutex_unlock(&priv->mutex);
-}
-
-#define IWL_SCAN_CHECK_WATCHDOG (7 * HZ)
-
-static void iwl4965_bg_scan_check(struct work_struct *data)
-{
- struct iwl_priv *priv =
- container_of(data, struct iwl_priv, scan_check.work);
-
- if (test_bit(STATUS_EXIT_PENDING, &priv->status))
- return;
-
- mutex_lock(&priv->mutex);
- if (test_bit(STATUS_SCANNING, &priv->status) ||
- test_bit(STATUS_SCAN_ABORTING, &priv->status)) {
- IWL_DEBUG(IWL_DL_SCAN, "Scan completion watchdog resetting "
- "adapter (%dms)\n",
- jiffies_to_msecs(IWL_SCAN_CHECK_WATCHDOG));
+ ret = iwl4965_set_mode(priv, IEEE80211_IF_TYPE_MNTR);
- if (!test_bit(STATUS_EXIT_PENDING, &priv->status))
- iwl4965_send_scan_abort(priv);
+ if (ret) {
+ if (ret == -EAGAIN)
+ IWL_DEBUG(IWL_DL_STATE, "leave - not ready\n");
+ else
+ IWL_ERROR("iwl4965_set_mode() failed ret = %d\n", ret);
}
+
mutex_unlock(&priv->mutex);
}
-static void iwl4965_bg_request_scan(struct work_struct *data)
+static void iwl_bg_run_time_calib_work(struct work_struct *work)
{
- struct iwl_priv *priv =
- container_of(data, struct iwl_priv, request_scan);
- struct iwl_host_cmd cmd = {
- .id = REPLY_SCAN_CMD,
- .len = sizeof(struct iwl4965_scan_cmd),
- .meta.flags = CMD_SIZE_HUGE,
- };
- struct iwl4965_scan_cmd *scan;
- struct ieee80211_conf *conf = NULL;
- u16 cmd_len;
- enum ieee80211_band band;
- u8 direct_mask;
- int ret = 0;
-
- conf = ieee80211_get_hw_conf(priv->hw);
+ struct iwl_priv *priv = container_of(work, struct iwl_priv,
+ run_time_calib_work);
mutex_lock(&priv->mutex);
- if (!iwl_is_ready(priv)) {
- IWL_WARNING("request scan called when driver not ready.\n");
- goto done;
- }
-
- /* Make sure the scan wasn't cancelled before this queued work
- * was given the chance to run... */
- if (!test_bit(STATUS_SCANNING, &priv->status))
- goto done;
-
- /* This should never be called or scheduled if there is currently
- * a scan active in the hardware. */
- if (test_bit(STATUS_SCAN_HW, &priv->status)) {
- IWL_DEBUG_INFO("Multiple concurrent scan requests in parallel. "
- "Ignoring second request.\n");
- ret = -EIO;
- goto done;
- }
-
- if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
- IWL_DEBUG_SCAN("Aborting scan due to device shutdown\n");
- goto done;
- }
-
- if (test_bit(STATUS_SCAN_ABORTING, &priv->status)) {
- IWL_DEBUG_HC("Scan request while abort pending. Queuing.\n");
- goto done;
- }
-
- if (iwl_is_rfkill(priv)) {
- IWL_DEBUG_HC("Aborting scan due to RF Kill activation\n");
- goto done;
- }
-
- if (!test_bit(STATUS_READY, &priv->status)) {
- IWL_DEBUG_HC("Scan request while uninitialized. Queuing.\n");
- goto done;
- }
-
- if (!priv->scan_bands) {
- IWL_DEBUG_HC("Aborting scan due to no requested bands\n");
- goto done;
- }
-
- if (!priv->scan) {
- priv->scan = kmalloc(sizeof(struct iwl4965_scan_cmd) +
- IWL_MAX_SCAN_SIZE, GFP_KERNEL);
- if (!priv->scan) {
- ret = -ENOMEM;
- goto done;
- }
- }
- scan = priv->scan;
- memset(scan, 0, sizeof(struct iwl4965_scan_cmd) + IWL_MAX_SCAN_SIZE);
-
- scan->quiet_plcp_th = IWL_PLCP_QUIET_THRESH;
- scan->quiet_time = IWL_ACTIVE_QUIET_TIME;
-
- if (iwl_is_associated(priv)) {
- u16 interval = 0;
- u32 extra;
- u32 suspend_time = 100;
- u32 scan_suspend_time = 100;
- unsigned long flags;
-
- IWL_DEBUG_INFO("Scanning while associated...\n");
-
- spin_lock_irqsave(&priv->lock, flags);
- interval = priv->beacon_int;
- spin_unlock_irqrestore(&priv->lock, flags);
-
- scan->suspend_time = 0;
- scan->max_out_time = cpu_to_le32(200 * 1024);
- if (!interval)
- interval = suspend_time;
-
- extra = (suspend_time / interval) << 22;
- scan_suspend_time = (extra |
- ((suspend_time % interval) * 1024));
- scan->suspend_time = cpu_to_le32(scan_suspend_time);
- IWL_DEBUG_SCAN("suspend_time 0x%X beacon interval %d\n",
- scan_suspend_time, interval);
- }
-
- /* We should add the ability for user to lock to PASSIVE ONLY */
- if (priv->one_direct_scan) {
- IWL_DEBUG_SCAN
- ("Kicking off one direct scan for '%s'\n",
- iwl4965_escape_essid(priv->direct_ssid,
- priv->direct_ssid_len));
- scan->direct_scan[0].id = WLAN_EID_SSID;
- scan->direct_scan[0].len = priv->direct_ssid_len;
- memcpy(scan->direct_scan[0].ssid,
- priv->direct_ssid, priv->direct_ssid_len);
- direct_mask = 1;
- } else if (!iwl_is_associated(priv) && priv->essid_len) {
- IWL_DEBUG_SCAN
- ("Kicking off one direct scan for '%s' when not associated\n",
- iwl4965_escape_essid(priv->essid, priv->essid_len));
- scan->direct_scan[0].id = WLAN_EID_SSID;
- scan->direct_scan[0].len = priv->essid_len;
- memcpy(scan->direct_scan[0].ssid, priv->essid, priv->essid_len);
- direct_mask = 1;
- } else {
- IWL_DEBUG_SCAN("Kicking off one indirect scan.\n");
- direct_mask = 0;
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status) ||
+ test_bit(STATUS_SCANNING, &priv->status)) {
+ mutex_unlock(&priv->mutex);
+ return;
}
- scan->tx_cmd.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK;
- scan->tx_cmd.sta_id = priv->hw_params.bcast_sta_id;
- scan->tx_cmd.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
-
-
- switch (priv->scan_bands) {
- case 2:
- scan->flags = RXON_FLG_BAND_24G_MSK | RXON_FLG_AUTO_DETECT_MSK;
- scan->tx_cmd.rate_n_flags =
- iwl4965_hw_set_rate_n_flags(IWL_RATE_1M_PLCP,
- RATE_MCS_ANT_B_MSK|RATE_MCS_CCK_MSK);
-
- scan->good_CRC_th = 0;
- band = IEEE80211_BAND_2GHZ;
- break;
-
- case 1:
- scan->tx_cmd.rate_n_flags =
- iwl4965_hw_set_rate_n_flags(IWL_RATE_6M_PLCP,
- RATE_MCS_ANT_B_MSK);
- scan->good_CRC_th = IWL_GOOD_CRC_TH;
- band = IEEE80211_BAND_5GHZ;
- break;
+ if (priv->start_calib) {
+ iwl_chain_noise_calibration(priv, &priv->statistics);
- default:
- IWL_WARNING("Invalid scan band count\n");
- goto done;
+ iwl_sensitivity_calibration(priv, &priv->statistics);
}
- /* We don't build a direct scan probe request; the uCode will do
- * that based on the direct_mask added to each channel entry */
- cmd_len = iwl4965_fill_probe_req(priv, band,
- (struct ieee80211_mgmt *)scan->data,
- IWL_MAX_SCAN_SIZE - sizeof(*scan), 0);
-
- scan->tx_cmd.len = cpu_to_le16(cmd_len);
- /* select Rx chains */
-
- /* Force use of chains B and C (0x6) for scan Rx.
- * Avoid A (0x1) because of its off-channel reception on A-band.
- * MIMO is not used here, but value is required to make uCode happy. */
- scan->rx_chain = RXON_RX_CHAIN_DRIVER_FORCE_MSK |
- cpu_to_le16((0x7 << RXON_RX_CHAIN_VALID_POS) |
- (0x6 << RXON_RX_CHAIN_FORCE_SEL_POS) |
- (0x7 << RXON_RX_CHAIN_FORCE_MIMO_SEL_POS));
-
- if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR)
- scan->filter_flags = RXON_FILTER_PROMISC_MSK;
-
- if (direct_mask)
- scan->channel_count =
- iwl4965_get_channels_for_scan(
- priv, band, 1, /* active */
- direct_mask,
- (void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
- else
- scan->channel_count =
- iwl4965_get_channels_for_scan(
- priv, band, 0, /* passive */
- direct_mask,
- (void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
-
- scan->filter_flags |= (RXON_FILTER_ACCEPT_GRP_MSK |
- RXON_FILTER_BCON_AWARE_MSK);
- cmd.len += le16_to_cpu(scan->tx_cmd.len) +
- scan->channel_count * sizeof(struct iwl4965_scan_channel);
- cmd.data = scan;
- scan->len = cpu_to_le16(cmd.len);
-
- set_bit(STATUS_SCAN_HW, &priv->status);
- ret = iwl_send_cmd_sync(priv, &cmd);
- if (ret)
- goto done;
-
- queue_delayed_work(priv->workqueue, &priv->scan_check,
- IWL_SCAN_CHECK_WATCHDOG);
-
mutex_unlock(&priv->mutex);
return;
-
- done:
- /* inform mac80211 scan aborted */
- queue_work(priv->workqueue, &priv->scan_completed);
- mutex_unlock(&priv->mutex);
}
static void iwl4965_bg_up(struct work_struct *data)
if (!priv->vif || !priv->is_open)
return;
- iwl4965_scan_cancel_timeout(priv, 200);
+ iwl_scan_cancel_timeout(priv, 200);
conf = ieee80211_get_hw_conf(priv->hw);
priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK;
-#ifdef CONFIG_IWL4965_HT
if (priv->current_ht_config.is_ht)
iwl_set_rxon_ht(priv, &priv->current_ht_config);
-#endif /* CONFIG_IWL4965_HT*/
+
iwl_set_rxon_chain(priv);
priv->staging_rxon.assoc_id = cpu_to_le16(priv->assoc_id);
case IEEE80211_IF_TYPE_IBSS:
- /* clear out the station table */
- iwlcore_clear_stations_table(priv);
+ /* assume default assoc id */
+ priv->assoc_id = 1;
- iwl_rxon_add_station(priv, iwl_bcast_addr, 0);
iwl_rxon_add_station(priv, priv->bssid, 0);
iwl4965_rate_scale_init(priv->hw, IWL_STA_ID);
iwl4965_send_beacon_cmd(priv);
}
-static void iwl4965_bg_abort_scan(struct work_struct *work)
-{
- struct iwl_priv *priv = container_of(work, struct iwl_priv, abort_scan);
-
- if (!iwl_is_ready(priv))
- return;
-
- mutex_lock(&priv->mutex);
-
- set_bit(STATUS_SCAN_ABORTING, &priv->status);
- iwl4965_send_scan_abort(priv);
-
- mutex_unlock(&priv->mutex);
-}
-
static int iwl4965_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf);
-static void iwl4965_bg_scan_completed(struct work_struct *work)
+static void iwl_bg_scan_completed(struct work_struct *work)
{
struct iwl_priv *priv =
container_of(work, struct iwl_priv, scan_completed);
- IWL_DEBUG(IWL_DL_SCAN, "SCAN complete scan\n");
+ IWL_DEBUG_SCAN("SCAN complete scan\n");
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
return;
/* Since setting the TXPOWER may have been deferred while
* performing the scan, fire one off */
mutex_lock(&priv->mutex);
- iwl4965_hw_reg_send_txpower(priv);
+ iwl_set_tx_power(priv, priv->tx_power_user_lmt, true);
mutex_unlock(&priv->mutex);
}
if (test_bit(STATUS_IN_SUSPEND, &priv->status))
return 0;
- /* Wait for START_ALIVE from ucode. Otherwise callbacks from
+ /* Wait for START_ALIVE from Run Time ucode. Otherwise callbacks from
* mac80211 will not be run successfully. */
- ret = wait_event_interruptible_timeout(priv->wait_command_queue,
- test_bit(STATUS_READY, &priv->status),
- UCODE_READY_TIMEOUT);
- if (!ret) {
- if (!test_bit(STATUS_READY, &priv->status)) {
- IWL_ERROR("Wait for START_ALIVE timeout after %dms.\n",
- jiffies_to_msecs(UCODE_READY_TIMEOUT));
- ret = -ETIMEDOUT;
- goto out_release_irq;
+ if (priv->ucode_type == UCODE_RT) {
+ ret = wait_event_interruptible_timeout(priv->wait_command_queue,
+ test_bit(STATUS_READY, &priv->status),
+ UCODE_READY_TIMEOUT);
+ if (!ret) {
+ if (!test_bit(STATUS_READY, &priv->status)) {
+ IWL_ERROR("START_ALIVE timeout after %dms.\n",
+ jiffies_to_msecs(UCODE_READY_TIMEOUT));
+ ret = -ETIMEDOUT;
+ goto out_release_irq;
+ }
}
- }
- priv->is_open = 1;
+ priv->is_open = 1;
+ }
IWL_DEBUG_MAC80211("leave\n");
return 0;
* RXON_FILTER_ASSOC_MSK BIT
*/
mutex_lock(&priv->mutex);
- iwl4965_scan_cancel_timeout(priv, 100);
+ iwl_scan_cancel_timeout(priv, 100);
cancel_delayed_work(&priv->post_associate);
mutex_unlock(&priv->mutex);
}
memcpy(priv->mac_addr, conf->mac_addr, ETH_ALEN);
}
- if (iwl_is_ready(priv))
- iwl4965_set_mode(priv, conf->type);
+ if (iwl4965_set_mode(priv, conf->type) == -EAGAIN)
+ /* we are not ready, will run again when ready */
+ set_bit(STATUS_MODE_PENDING, &priv->status);
mutex_unlock(&priv->mutex);
const struct iwl_channel_info *ch_info;
unsigned long flags;
int ret = 0;
+ u16 channel;
mutex_lock(&priv->mutex);
IWL_DEBUG_MAC80211("enter to channel %d\n", conf->channel->hw_value);
priv->add_radiotap = !!(conf->flags & IEEE80211_CONF_RADIOTAP);
+
+ if (priv->cfg->ops->lib->radio_kill_sw &&
+ priv->cfg->ops->lib->radio_kill_sw(priv, !conf->radio_enabled)) {
+ IWL_DEBUG_MAC80211("leave - RF-KILL - waiting for uCode\n");
+ mutex_unlock(&priv->mutex);
+ }
+
if (!iwl_is_ready(priv)) {
IWL_DEBUG_MAC80211("leave - not ready\n");
ret = -EIO;
return 0;
}
- spin_lock_irqsave(&priv->lock, flags);
-
- ch_info = iwl_get_channel_info(priv, conf->channel->band,
- ieee80211_frequency_to_channel(conf->channel->center_freq));
+ channel = ieee80211_frequency_to_channel(conf->channel->center_freq);
+ ch_info = iwl_get_channel_info(priv, conf->channel->band, channel);
if (!is_channel_valid(ch_info)) {
IWL_DEBUG_MAC80211("leave - invalid channel\n");
- spin_unlock_irqrestore(&priv->lock, flags);
ret = -EINVAL;
goto out;
}
-#ifdef CONFIG_IWL4965_HT
+ if (priv->iw_mode == IEEE80211_IF_TYPE_IBSS &&
+ !is_channel_ibss(ch_info)) {
+ IWL_ERROR("channel %d in band %d not IBSS channel\n",
+ conf->channel->hw_value, conf->channel->band);
+ ret = -EINVAL;
+ goto out;
+ }
+
+ spin_lock_irqsave(&priv->lock, flags);
+
/* if we are switching from ht to 2.4 clear flags
* from any ht related info since 2.4 does not
* support ht */
- if ((le16_to_cpu(priv->staging_rxon.channel) != conf->channel->hw_value)
+ if ((le16_to_cpu(priv->staging_rxon.channel) != channel)
#ifdef IEEE80211_CONF_CHANNEL_SWITCH
&& !(conf->flags & IEEE80211_CONF_CHANNEL_SWITCH)
#endif
)
priv->staging_rxon.flags = 0;
-#endif /* CONFIG_IWL4965_HT */
- iwl_set_rxon_channel(priv, conf->channel->band,
- ieee80211_frequency_to_channel(conf->channel->center_freq));
+ iwl_set_rxon_channel(priv, conf->channel->band, channel);
- iwl4965_set_flags_for_phymode(priv, conf->channel->band);
+ iwl_set_flags_for_band(priv, conf->channel->band);
/* The list of supported rates and rate mask can be different
* for each band; since the band may have changed, reset
}
#endif
- if (priv->cfg->ops->lib->radio_kill_sw)
- priv->cfg->ops->lib->radio_kill_sw(priv, !conf->radio_enabled);
-
if (!conf->radio_enabled) {
IWL_DEBUG_MAC80211("leave - radio disabled\n");
goto out;
goto out;
}
+ IWL_DEBUG_MAC80211("TX Power old=%d new=%d\n",
+ priv->tx_power_user_lmt, conf->power_level);
+
+ iwl_set_tx_power(priv, conf->power_level, false);
+
iwl4965_set_rate(priv);
if (memcmp(&priv->active_rxon,
!is_multicast_ether_addr(conf->bssid)) {
/* If there is currently a HW scan going on in the background
* then we need to cancel it else the RXON below will fail. */
- if (iwl4965_scan_cancel_timeout(priv, 100)) {
+ if (iwl_scan_cancel_timeout(priv, 100)) {
IWL_WARNING("Aborted scan still in progress "
"after 100ms\n");
IWL_DEBUG_MAC80211("leaving - scan abort failed.\n");
}
} else {
- iwl4965_scan_cancel_timeout(priv, 100);
+ iwl_scan_cancel_timeout(priv, 100);
priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
iwl4965_commit_rxon(priv);
}
mutex_lock(&priv->mutex);
if (iwl_is_ready_rf(priv)) {
- iwl4965_scan_cancel_timeout(priv, 100);
+ iwl_scan_cancel_timeout(priv, 100);
cancel_delayed_work(&priv->post_associate);
priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
iwl4965_commit_rxon(priv);
}
if (len) {
IWL_DEBUG_SCAN("direct scan for %s [%d]\n ",
- iwl4965_escape_essid(ssid, len), (int)len);
+ iwl_escape_essid(ssid, len), (int)len);
priv->one_direct_scan = 1;
priv->direct_ssid_len = (u8)
} else
priv->one_direct_scan = 0;
- rc = iwl4965_scan_initiate(priv);
+ rc = iwl_scan_initiate(priv);
IWL_DEBUG_MAC80211("leave\n");
return;
}
- iwl4965_scan_cancel_timeout(priv, 100);
+ iwl_scan_cancel_timeout(priv, 100);
key_flags |= (STA_KEY_FLG_TKIP | STA_KEY_FLG_MAP_KEY_MSK);
key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS);
}
mutex_lock(&priv->mutex);
- iwl4965_scan_cancel_timeout(priv, 100);
+ iwl_scan_cancel_timeout(priv, 100);
mutex_unlock(&priv->mutex);
/* If we are getting WEP group key and we didn't receive any key mapping
IWL_DEBUG_MAC80211("enter\n");
priv->lq_mngr.lq_ready = 0;
-#ifdef CONFIG_IWL4965_HT
spin_lock_irqsave(&priv->lock, flags);
memset(&priv->current_ht_config, 0, sizeof(struct iwl_ht_info));
spin_unlock_irqrestore(&priv->lock, flags);
-#endif /* CONFIG_IWL4965_HT */
iwl_reset_qos(priv);
* clear RXON_FILTER_ASSOC_MSK bit
*/
if (priv->iw_mode != IEEE80211_IF_TYPE_AP) {
- iwl4965_scan_cancel_timeout(priv, 100);
+ iwl_scan_cancel_timeout(priv, 100);
priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
iwl4965_commit_rxon(priv);
}
iwl_reset_qos(priv);
- queue_work(priv->workqueue, &priv->post_associate.work);
+ iwl4965_post_associate(priv);
mutex_unlock(&priv->mutex);
struct device_attribute *attr, char *buf)
{
struct iwl_priv *priv = d->driver_data;
- struct iwl4965_alive_resp *palive = &priv->card_alive;
+ struct iwl_alive_resp *palive = &priv->card_alive;
if (palive->is_valid)
return sprintf(buf, "fw version: 0x%01X.0x%01X.0x%01X.0x%01X\n"
struct device_attribute *attr, char *buf)
{
struct iwl_priv *priv = (struct iwl_priv *)d->driver_data;
- return sprintf(buf, "%d\n", priv->user_txpower_limit);
+ return sprintf(buf, "%d\n", priv->tx_power_user_lmt);
}
static ssize_t store_tx_power(struct device *d,
printk(KERN_INFO DRV_NAME
": %s is not in decimal form.\n", buf);
else
- iwl4965_hw_reg_set_txpower(priv, val);
+ iwl_set_tx_power(priv, val, false);
return count;
}
mutex_lock(&priv->mutex);
if (le32_to_cpu(priv->staging_rxon.flags) != flags) {
/* Cancel any currently running scans... */
- if (iwl4965_scan_cancel_timeout(priv, 100))
+ if (iwl_scan_cancel_timeout(priv, 100))
IWL_WARNING("Could not cancel scan.\n");
else {
IWL_DEBUG_INFO("Committing rxon.flags = 0x%04X\n",
mutex_lock(&priv->mutex);
if (le32_to_cpu(priv->staging_rxon.filter_flags) != filter_flags) {
/* Cancel any currently running scans... */
- if (iwl4965_scan_cancel_timeout(priv, 100))
+ if (iwl_scan_cancel_timeout(priv, 100))
IWL_WARNING("Could not cancel scan.\n");
else {
IWL_DEBUG_INFO("Committing rxon.filter_flags = "
*
*****************************************************************************/
-static void iwl4965_setup_deferred_work(struct iwl_priv *priv)
+static void iwl_setup_deferred_work(struct iwl_priv *priv)
{
priv->workqueue = create_workqueue(DRV_NAME);
INIT_WORK(&priv->up, iwl4965_bg_up);
INIT_WORK(&priv->restart, iwl4965_bg_restart);
INIT_WORK(&priv->rx_replenish, iwl4965_bg_rx_replenish);
- INIT_WORK(&priv->scan_completed, iwl4965_bg_scan_completed);
- INIT_WORK(&priv->request_scan, iwl4965_bg_request_scan);
- INIT_WORK(&priv->abort_scan, iwl4965_bg_abort_scan);
INIT_WORK(&priv->rf_kill, iwl4965_bg_rf_kill);
INIT_WORK(&priv->beacon_update, iwl4965_bg_beacon_update);
INIT_WORK(&priv->set_monitor, iwl4965_bg_set_monitor);
+ INIT_WORK(&priv->run_time_calib_work, iwl_bg_run_time_calib_work);
INIT_DELAYED_WORK(&priv->post_associate, iwl4965_bg_post_associate);
- INIT_DELAYED_WORK(&priv->init_alive_start, iwl4965_bg_init_alive_start);
- INIT_DELAYED_WORK(&priv->alive_start, iwl4965_bg_alive_start);
- INIT_DELAYED_WORK(&priv->scan_check, iwl4965_bg_scan_check);
+ INIT_DELAYED_WORK(&priv->init_alive_start, iwl_bg_init_alive_start);
+ INIT_DELAYED_WORK(&priv->alive_start, iwl_bg_alive_start);
- iwl4965_hw_setup_deferred_work(priv);
+ /* FIXME : remove when resolved PENDING */
+ INIT_WORK(&priv->scan_completed, iwl_bg_scan_completed);
+ iwl_setup_scan_deferred_work(priv);
+
+ if (priv->cfg->ops->lib->setup_deferred_work)
+ priv->cfg->ops->lib->setup_deferred_work(priv);
+
+ init_timer(&priv->statistics_periodic);
+ priv->statistics_periodic.data = (unsigned long)priv;
+ priv->statistics_periodic.function = iwl4965_bg_statistics_periodic;
tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long))
iwl4965_irq_tasklet, (unsigned long)priv);
}
-static void iwl4965_cancel_deferred_work(struct iwl_priv *priv)
+static void iwl_cancel_deferred_work(struct iwl_priv *priv)
{
- iwl4965_hw_cancel_deferred_work(priv);
+ if (priv->cfg->ops->lib->cancel_deferred_work)
+ priv->cfg->ops->lib->cancel_deferred_work(priv);
cancel_delayed_work_sync(&priv->init_alive_start);
cancel_delayed_work(&priv->scan_check);
cancel_delayed_work(&priv->alive_start);
cancel_delayed_work(&priv->post_associate);
cancel_work_sync(&priv->beacon_update);
+ del_timer_sync(&priv->statistics_periodic);
}
static struct attribute *iwl4965_sysfs_entries[] = {
.reset_tsf = iwl4965_mac_reset_tsf,
.beacon_update = iwl4965_mac_beacon_update,
.bss_info_changed = iwl4965_bss_info_changed,
-#ifdef CONFIG_IWL4965_HT
.ampdu_action = iwl4965_mac_ampdu_action,
-#endif /* CONFIG_IWL4965_HT */
.hw_scan = iwl4965_mac_hw_scan
};
}
- iwl4965_setup_deferred_work(priv);
+ iwl_setup_deferred_work(priv);
iwl4965_setup_rx_handlers(priv);
/********************
IWL_DEBUG_INFO("*** UNLOAD DRIVER ***\n");
+ iwl_dbgfs_unregister(priv);
+ sysfs_remove_group(&pdev->dev.kobj, &iwl4965_attribute_group);
+
if (priv->mac80211_registered) {
ieee80211_unregister_hw(priv->hw);
priv->mac80211_registered = 0;
}
iwlcore_low_level_notify(priv, IWLCORE_REMOVE_EVT);
- iwl_dbgfs_unregister(priv);
- sysfs_remove_group(&pdev->dev.kobj, &iwl4965_attribute_group);
iwl4965_dealloc_ucode_pci(priv);
git.openpandora.org / pandora-kernel.git / blobdiff