tx_resp->frame_count) & MAX_SN;
}
+static void iwlagn_count_tx_err_status(struct iwl_priv *priv, u16 status)
+{
+ status &= TX_STATUS_MSK;
+
+ switch (status) {
+ case TX_STATUS_POSTPONE_DELAY:
+ priv->_agn.reply_tx_stats.pp_delay++;
+ break;
+ case TX_STATUS_POSTPONE_FEW_BYTES:
+ priv->_agn.reply_tx_stats.pp_few_bytes++;
+ break;
+ case TX_STATUS_POSTPONE_BT_PRIO:
+ priv->_agn.reply_tx_stats.pp_bt_prio++;
+ break;
+ case TX_STATUS_POSTPONE_QUIET_PERIOD:
+ priv->_agn.reply_tx_stats.pp_quiet_period++;
+ break;
+ case TX_STATUS_POSTPONE_CALC_TTAK:
+ priv->_agn.reply_tx_stats.pp_calc_ttak++;
+ break;
+ case TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY:
+ priv->_agn.reply_tx_stats.int_crossed_retry++;
+ break;
+ case TX_STATUS_FAIL_SHORT_LIMIT:
+ priv->_agn.reply_tx_stats.short_limit++;
+ break;
+ case TX_STATUS_FAIL_LONG_LIMIT:
+ priv->_agn.reply_tx_stats.long_limit++;
+ break;
+ case TX_STATUS_FAIL_FIFO_UNDERRUN:
+ priv->_agn.reply_tx_stats.fifo_underrun++;
+ break;
+ case TX_STATUS_FAIL_DRAIN_FLOW:
+ priv->_agn.reply_tx_stats.drain_flow++;
+ break;
+ case TX_STATUS_FAIL_RFKILL_FLUSH:
+ priv->_agn.reply_tx_stats.rfkill_flush++;
+ break;
+ case TX_STATUS_FAIL_LIFE_EXPIRE:
+ priv->_agn.reply_tx_stats.life_expire++;
+ break;
+ case TX_STATUS_FAIL_DEST_PS:
+ priv->_agn.reply_tx_stats.dest_ps++;
+ break;
+ case TX_STATUS_FAIL_HOST_ABORTED:
+ priv->_agn.reply_tx_stats.host_abort++;
+ break;
+ case TX_STATUS_FAIL_BT_RETRY:
+ priv->_agn.reply_tx_stats.bt_retry++;
+ break;
+ case TX_STATUS_FAIL_STA_INVALID:
+ priv->_agn.reply_tx_stats.sta_invalid++;
+ break;
+ case TX_STATUS_FAIL_FRAG_DROPPED:
+ priv->_agn.reply_tx_stats.frag_drop++;
+ break;
+ case TX_STATUS_FAIL_TID_DISABLE:
+ priv->_agn.reply_tx_stats.tid_disable++;
+ break;
+ case TX_STATUS_FAIL_FIFO_FLUSHED:
+ priv->_agn.reply_tx_stats.fifo_flush++;
+ break;
+ case TX_STATUS_FAIL_INSUFFICIENT_CF_POLL:
+ priv->_agn.reply_tx_stats.insuff_cf_poll++;
+ break;
+ case TX_STATUS_FAIL_PASSIVE_NO_RX:
+ priv->_agn.reply_tx_stats.fail_hw_drop++;
+ break;
+ case TX_STATUS_FAIL_NO_BEACON_ON_RADAR:
+ priv->_agn.reply_tx_stats.sta_color_mismatch++;
+ break;
+ default:
+ priv->_agn.reply_tx_stats.unknown++;
+ break;
+ }
+}
+
+static void iwlagn_count_agg_tx_err_status(struct iwl_priv *priv, u16 status)
+{
+ status &= AGG_TX_STATUS_MSK;
+
+ switch (status) {
+ case AGG_TX_STATE_UNDERRUN_MSK:
+ priv->_agn.reply_agg_tx_stats.underrun++;
+ break;
+ case AGG_TX_STATE_BT_PRIO_MSK:
+ priv->_agn.reply_agg_tx_stats.bt_prio++;
+ break;
+ case AGG_TX_STATE_FEW_BYTES_MSK:
+ priv->_agn.reply_agg_tx_stats.few_bytes++;
+ break;
+ case AGG_TX_STATE_ABORT_MSK:
+ priv->_agn.reply_agg_tx_stats.abort++;
+ break;
+ case AGG_TX_STATE_LAST_SENT_TTL_MSK:
+ priv->_agn.reply_agg_tx_stats.last_sent_ttl++;
+ break;
+ case AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK:
+ priv->_agn.reply_agg_tx_stats.last_sent_try++;
+ break;
+ case AGG_TX_STATE_LAST_SENT_BT_KILL_MSK:
+ priv->_agn.reply_agg_tx_stats.last_sent_bt_kill++;
+ break;
+ case AGG_TX_STATE_SCD_QUERY_MSK:
+ priv->_agn.reply_agg_tx_stats.scd_query++;
+ break;
+ case AGG_TX_STATE_TEST_BAD_CRC32_MSK:
+ priv->_agn.reply_agg_tx_stats.bad_crc32++;
+ break;
+ case AGG_TX_STATE_RESPONSE_MSK:
+ priv->_agn.reply_agg_tx_stats.response++;
+ break;
+ case AGG_TX_STATE_DUMP_TX_MSK:
+ priv->_agn.reply_agg_tx_stats.dump_tx++;
+ break;
+ case AGG_TX_STATE_DELAY_TX_MSK:
+ priv->_agn.reply_agg_tx_stats.delay_tx++;
+ break;
+ default:
+ priv->_agn.reply_agg_tx_stats.unknown++;
+ break;
+ }
+}
+
+static void iwlagn_set_tx_status(struct iwl_priv *priv,
+ struct ieee80211_tx_info *info,
+ struct iwl5000_tx_resp *tx_resp,
+ int txq_id, bool is_agg)
+{
+ u16 status = le16_to_cpu(tx_resp->status.status);
+
+ info->status.rates[0].count = tx_resp->failure_frame + 1;
+ if (is_agg)
+ info->flags &= ~IEEE80211_TX_CTL_AMPDU;
+ info->flags |= iwl_tx_status_to_mac80211(status);
+ iwlagn_hwrate_to_tx_control(priv, le32_to_cpu(tx_resp->rate_n_flags),
+ info);
+ if (!iwl_is_tx_success(status))
+ iwlagn_count_tx_err_status(priv, status);
+
+ IWL_DEBUG_TX_REPLY(priv, "TXQ %d status %s (0x%08x) rate_n_flags "
+ "0x%x retries %d\n",
+ txq_id,
+ iwl_get_tx_fail_reason(status), status,
+ le32_to_cpu(tx_resp->rate_n_flags),
+ tx_resp->failure_frame);
+}
+
+#ifdef CONFIG_IWLWIFI_DEBUG
+#define AGG_TX_STATE_FAIL(x) case AGG_TX_STATE_ ## x: return #x
+
+const char *iwl_get_agg_tx_fail_reason(u16 status)
+{
+ status &= AGG_TX_STATUS_MSK;
+ switch (status) {
+ case AGG_TX_STATE_TRANSMITTED:
+ return "SUCCESS";
+ AGG_TX_STATE_FAIL(UNDERRUN_MSK);
+ AGG_TX_STATE_FAIL(BT_PRIO_MSK);
+ AGG_TX_STATE_FAIL(FEW_BYTES_MSK);
+ AGG_TX_STATE_FAIL(ABORT_MSK);
+ AGG_TX_STATE_FAIL(LAST_SENT_TTL_MSK);
+ AGG_TX_STATE_FAIL(LAST_SENT_TRY_CNT_MSK);
+ AGG_TX_STATE_FAIL(LAST_SENT_BT_KILL_MSK);
+ AGG_TX_STATE_FAIL(SCD_QUERY_MSK);
+ AGG_TX_STATE_FAIL(TEST_BAD_CRC32_MSK);
+ AGG_TX_STATE_FAIL(RESPONSE_MSK);
+ AGG_TX_STATE_FAIL(DUMP_TX_MSK);
+ AGG_TX_STATE_FAIL(DELAY_TX_MSK);
+ }
+
+ return "UNKNOWN";
+}
+#endif /* CONFIG_IWLWIFI_DEBUG */
+
static int iwlagn_tx_status_reply_tx(struct iwl_priv *priv,
struct iwl_ht_agg *agg,
struct iwl5000_tx_resp *tx_resp,
{
u16 status;
struct agg_tx_status *frame_status = &tx_resp->status;
- struct ieee80211_tx_info *info = NULL;
struct ieee80211_hdr *hdr = NULL;
- u32 rate_n_flags = le32_to_cpu(tx_resp->rate_n_flags);
int i, sh, idx;
u16 seq;
agg->frame_count = tx_resp->frame_count;
agg->start_idx = start_idx;
- agg->rate_n_flags = rate_n_flags;
+ 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);
idx = start_idx;
- /* FIXME: code repetition */
IWL_DEBUG_TX_REPLY(priv, "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);
- info->status.rates[0].count = tx_resp->failure_frame + 1;
- info->flags &= ~IEEE80211_TX_CTL_AMPDU;
- info->flags |= iwl_tx_status_to_mac80211(status);
- iwlagn_hwrate_to_tx_control(priv, rate_n_flags, info);
-
- /* FIXME: code repetition end */
-
- IWL_DEBUG_TX_REPLY(priv, "1 Frame 0x%x failure :%d\n",
- status & 0xff, tx_resp->failure_frame);
- IWL_DEBUG_TX_REPLY(priv, "Rate Info rate_n_flags=%x\n", rate_n_flags);
-
+ iwlagn_set_tx_status(priv,
+ IEEE80211_SKB_CB(
+ priv->txq[txq_id].txb[idx].skb),
+ tx_resp, txq_id, true);
agg->wait_for_ba = 0;
} else {
/* Two or more frames were attempted; expect block-ack */
idx = SEQ_TO_INDEX(seq);
txq_id = SEQ_TO_QUEUE(seq);
+ if (status & AGG_TX_STATUS_MSK)
+ iwlagn_count_agg_tx_err_status(priv, status);
+
if (status & (AGG_TX_STATE_FEW_BYTES_MSK |
AGG_TX_STATE_ABORT_MSK))
continue;
IWL_DEBUG_TX_REPLY(priv, "FrameCnt = %d, txq_id=%d idx=%d\n",
agg->frame_count, txq_id, idx);
+ IWL_DEBUG_TX_REPLY(priv, "status %s (0x%08x), "
+ "try-count (0x%08x)\n",
+ iwl_get_agg_tx_fail_reason(status),
+ status & AGG_TX_STATUS_MSK,
+ status & AGG_TX_TRY_MSK);
hdr = iwl_tx_queue_get_hdr(priv, txq_id, idx);
if (!hdr) {
struct iwl_ht_agg *agg;
agg = &priv->stations[sta_id].tid[tid].agg;
-
+ /*
+ * If the BT kill count is non-zero, we'll get this
+ * notification again.
+ */
+ if (tx_resp->bt_kill_count && tx_resp->frame_count == 1 &&
+ priv->cfg->advanced_bt_coexist) {
+ IWL_WARN(priv, "receive reply tx with bt_kill\n");
+ }
iwlagn_tx_status_reply_tx(priv, agg, tx_resp, txq_id, index);
/* check if BAR is needed */
}
} else {
BUG_ON(txq_id != txq->swq_id);
-
- info->status.rates[0].count = tx_resp->failure_frame + 1;
- info->flags |= iwl_tx_status_to_mac80211(status);
- iwlagn_hwrate_to_tx_control(priv,
- le32_to_cpu(tx_resp->rate_n_flags),
- info);
-
- IWL_DEBUG_TX_REPLY(priv, "TXQ %d status %s (0x%08x) rate_n_flags "
- "0x%x retries %d\n",
- txq_id,
- iwl_get_tx_fail_reason(status), status,
- le32_to_cpu(tx_resp->rate_n_flags),
- tx_resp->failure_frame);
-
+ iwlagn_set_tx_status(priv, info, tx_resp, txq_id, false);
freed = iwlagn_tx_queue_reclaim(priv, txq_id, index);
iwl_free_tfds_in_queue(priv, sta_id, tid, freed);
{
/* store temperature from statistics (in Celsius) */
priv->temperature =
- le32_to_cpu(priv->_agn.statistics.general.temperature);
+ le32_to_cpu(priv->_agn.statistics.general.common.temperature);
iwl_tt_handler(priv);
}
if (chan->band != band)
continue;
- channel = ieee80211_frequency_to_channel(chan->center_freq);
+ channel = chan->hw_value;
scan_ch->channel = cpu_to_le16(channel);
ch_info = iwl_get_channel_info(priv, band, channel);
return added;
}
-void iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
+int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
{
struct iwl_host_cmd cmd = {
.id = REPLY_SCAN_CMD,
.flags = CMD_SIZE_HUGE,
};
struct iwl_scan_cmd *scan;
- struct ieee80211_conf *conf = NULL;
+ struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
u32 rate_flags = 0;
u16 cmd_len;
u16 rx_chain = 0;
int chan_mod;
u8 active_chains;
u8 scan_tx_antennas = priv->hw_params.valid_tx_ant;
+ int ret;
- conf = ieee80211_get_hw_conf(priv->hw);
-
- cancel_delayed_work(&priv->scan_check);
-
- if (!iwl_is_ready(priv)) {
- IWL_WARN(priv, "request scan called when driver not ready.\n");
- goto done;
- }
-
- /* Make sure the scan wasn't canceled 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(priv, "Multiple concurrent scan requests in parallel. "
- "Ignoring second request.\n");
- goto done;
- }
-
- if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
- IWL_DEBUG_SCAN(priv, "Aborting scan due to device shutdown\n");
- goto done;
- }
-
- if (test_bit(STATUS_SCAN_ABORTING, &priv->status)) {
- IWL_DEBUG_HC(priv, "Scan request while abort pending. Queuing.\n");
- goto done;
- }
-
- if (iwl_is_rfkill(priv)) {
- IWL_DEBUG_HC(priv, "Aborting scan due to RF Kill activation\n");
- goto done;
- }
+ lockdep_assert_held(&priv->mutex);
- if (!test_bit(STATUS_READY, &priv->status)) {
- IWL_DEBUG_HC(priv, "Scan request while uninitialized. Queuing.\n");
- goto done;
- }
+ if (vif)
+ ctx = iwl_rxon_ctx_from_vif(vif);
if (!priv->scan_cmd) {
priv->scan_cmd = kmalloc(sizeof(struct iwl_scan_cmd) +
if (!priv->scan_cmd) {
IWL_DEBUG_SCAN(priv,
"fail to allocate memory for scan\n");
- goto done;
+ return -ENOMEM;
}
}
scan = priv->scan_cmd;
scan->quiet_plcp_th = IWL_PLCP_QUIET_THRESH;
scan->quiet_time = IWL_ACTIVE_QUIET_TIME;
- if (iwl_is_associated(priv)) {
+ if (iwl_is_any_associated(priv)) {
u16 interval = 0;
u32 extra;
u32 suspend_time = 100;
IWL_DEBUG_INFO(priv, "Scanning while associated...\n");
spin_lock_irqsave(&priv->lock, flags);
- interval = vif ? vif->bss_conf.beacon_int : 0;
+ if (priv->is_internal_short_scan)
+ interval = 0;
+ else
+ interval = vif->bss_conf.beacon_int;
spin_unlock_irqrestore(&priv->lock, flags);
scan->suspend_time = 0;
IWL_DEBUG_SCAN(priv, "Start passive scan.\n");
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.sta_id = ctx->bcast_sta_id;
scan->tx_cmd.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
switch (priv->scan_band) {
case IEEE80211_BAND_2GHZ:
scan->flags = RXON_FLG_BAND_24G_MSK | RXON_FLG_AUTO_DETECT_MSK;
- chan_mod = le32_to_cpu(priv->active_rxon.flags & RXON_FLG_CHANNEL_MODE_MSK)
+ chan_mod = le32_to_cpu(
+ priv->contexts[IWL_RXON_CTX_BSS].active.flags &
+ RXON_FLG_CHANNEL_MODE_MSK)
>> RXON_FLG_CHANNEL_MODE_POS;
if (chan_mod == CHANNEL_MODE_PURE_40) {
rate = IWL_RATE_6M_PLCP;
rate = IWL_RATE_1M_PLCP;
rate_flags = RATE_MCS_CCK_MSK;
}
+ /*
+ * Internal scans are passive, so we can indiscriminately set
+ * the BT ignore flag on 2.4 GHz since it applies to TX only.
+ */
+ if (priv->cfg->advanced_bt_coexist)
+ scan->tx_cmd.tx_flags |= TX_CMD_FLG_IGNORE_BT;
scan->good_CRC_th = IWL_GOOD_CRC_TH_DISABLED;
break;
case IEEE80211_BAND_5GHZ:
IWL_GOOD_CRC_TH_NEVER;
break;
default:
- IWL_WARN(priv, "Invalid scan band count\n");
- goto done;
+ IWL_WARN(priv, "Invalid scan band\n");
+ return -EIO;
}
band = priv->scan_band;
if (priv->cfg->scan_tx_antennas[band])
scan_tx_antennas = priv->cfg->scan_tx_antennas[band];
+ if (priv->cfg->advanced_bt_coexist && priv->bt_full_concurrent) {
+ /* operated as 1x1 in full concurrency mode */
+ scan_tx_antennas =
+ first_antenna(priv->cfg->scan_tx_antennas[band]);
+ }
+
priv->scan_tx_ant[band] = iwl_toggle_tx_ant(priv, priv->scan_tx_ant[band],
scan_tx_antennas);
rate_flags |= iwl_ant_idx_to_flags(priv->scan_tx_ant[band]);
rx_ant = first_antenna(active_chains);
}
+ if (priv->cfg->advanced_bt_coexist && priv->bt_full_concurrent) {
+ /* operated as 1x1 in full concurrency mode */
+ rx_ant = first_antenna(rx_ant);
+ }
+
/* MIMO is not used here, but value is required */
rx_chain |= priv->hw_params.valid_rx_ant << RXON_RX_CHAIN_VALID_POS;
rx_chain |= rx_ant << RXON_RX_CHAIN_FORCE_MIMO_SEL_POS;
}
if (scan->channel_count == 0) {
IWL_DEBUG_SCAN(priv, "channel count %d\n", scan->channel_count);
- goto done;
+ return -EIO;
}
cmd.len += le16_to_cpu(scan->tx_cmd.len) +
cmd.data = scan;
scan->len = cpu_to_le16(cmd.len);
+ if (priv->cfg->ops->hcmd->set_pan_params) {
+ ret = priv->cfg->ops->hcmd->set_pan_params(priv);
+ if (ret)
+ return ret;
+ }
+
set_bit(STATUS_SCAN_HW, &priv->status);
- if (iwl_send_cmd_sync(priv, &cmd))
- goto done;
+ ret = iwl_send_cmd_sync(priv, &cmd);
+ if (ret) {
+ clear_bit(STATUS_SCAN_HW, &priv->status);
+ if (priv->cfg->ops->hcmd->set_pan_params)
+ priv->cfg->ops->hcmd->set_pan_params(priv);
+ }
- queue_delayed_work(priv->workqueue, &priv->scan_check,
- IWL_SCAN_CHECK_WATCHDOG);
-
- return;
-
- done:
- /* Cannot perform scan. Make sure we clear scanning
- * bits from status so next scan request can be performed.
- * If we don't clear scanning status bit here all next scan
- * will fail
- */
- clear_bit(STATUS_SCAN_HW, &priv->status);
- clear_bit(STATUS_SCANNING, &priv->status);
- /* inform mac80211 scan aborted */
- queue_work(priv->workqueue, &priv->scan_completed);
+ return ret;
}
int iwlagn_manage_ibss_station(struct iwl_priv *priv,
struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
if (add)
- return iwl_add_bssid_station(priv, vif->bss_conf.bssid, true,
+ return iwl_add_bssid_station(priv, vif_priv->ctx,
+ vif->bss_conf.bssid, true,
&vif_priv->ibss_bssid_sta_id);
return iwl_remove_station(priv, vif_priv->ibss_bssid_sta_id,
vif->bss_conf.bssid);
void iwl_free_tfds_in_queue(struct iwl_priv *priv,
int sta_id, int tid, int freed)
{
- WARN_ON(!spin_is_locked(&priv->sta_lock));
+ lockdep_assert_held(&priv->sta_lock);
if (priv->stations[sta_id].tid[tid].tfds_in_queue >= freed)
priv->stations[sta_id].tid[tid].tfds_in_queue -= freed;
/* waiting for all the tx frames complete might take a while */
for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
- if (cnt == IWL_CMD_QUEUE_NUM)
+ if (cnt == priv->cmd_queue)
continue;
txq = &priv->txq[cnt];
q = &txq->q;
ieee80211_wake_queues(priv->hw);
mutex_unlock(&priv->mutex);
}
+
+/*
+ * BT coex
+ */
+/*
+ * Macros to access the lookup table.
+ *
+ * The lookup table has 7 inputs: bt3_prio, bt3_txrx, bt_rf_act, wifi_req,
+* wifi_prio, wifi_txrx and wifi_sh_ant_req.
+ *
+ * It has three outputs: WLAN_ACTIVE, WLAN_KILL and ANT_SWITCH
+ *
+ * The format is that "registers" 8 through 11 contain the WLAN_ACTIVE bits
+ * one after another in 32-bit registers, and "registers" 0 through 7 contain
+ * the WLAN_KILL and ANT_SWITCH bits interleaved (in that order).
+ *
+ * These macros encode that format.
+ */
+#define LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, wifi_req, wifi_prio, \
+ wifi_txrx, wifi_sh_ant_req) \
+ (bt3_prio | (bt3_txrx << 1) | (bt_rf_act << 2) | (wifi_req << 3) | \
+ (wifi_prio << 4) | (wifi_txrx << 5) | (wifi_sh_ant_req << 6))
+
+#define LUT_PTA_WLAN_ACTIVE_OP(lut, op, val) \
+ lut[8 + ((val) >> 5)] op (cpu_to_le32(BIT((val) & 0x1f)))
+#define LUT_TEST_PTA_WLAN_ACTIVE(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
+ wifi_prio, wifi_txrx, wifi_sh_ant_req) \
+ (!!(LUT_PTA_WLAN_ACTIVE_OP(lut, &, LUT_VALUE(bt3_prio, bt3_txrx, \
+ bt_rf_act, wifi_req, wifi_prio, wifi_txrx, \
+ wifi_sh_ant_req))))
+#define LUT_SET_PTA_WLAN_ACTIVE(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
+ wifi_prio, wifi_txrx, wifi_sh_ant_req) \
+ LUT_PTA_WLAN_ACTIVE_OP(lut, |=, LUT_VALUE(bt3_prio, bt3_txrx, \
+ bt_rf_act, wifi_req, wifi_prio, wifi_txrx, \
+ wifi_sh_ant_req))
+#define LUT_CLEAR_PTA_WLAN_ACTIVE(lut, bt3_prio, bt3_txrx, bt_rf_act, \
+ wifi_req, wifi_prio, wifi_txrx, \
+ wifi_sh_ant_req) \
+ LUT_PTA_WLAN_ACTIVE_OP(lut, &= ~, LUT_VALUE(bt3_prio, bt3_txrx, \
+ bt_rf_act, wifi_req, wifi_prio, wifi_txrx, \
+ wifi_sh_ant_req))
+
+#define LUT_WLAN_KILL_OP(lut, op, val) \
+ lut[(val) >> 4] op (cpu_to_le32(BIT(((val) << 1) & 0x1e)))
+#define LUT_TEST_WLAN_KILL(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
+ wifi_prio, wifi_txrx, wifi_sh_ant_req) \
+ (!!(LUT_WLAN_KILL_OP(lut, &, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
+ wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req))))
+#define LUT_SET_WLAN_KILL(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
+ wifi_prio, wifi_txrx, wifi_sh_ant_req) \
+ LUT_WLAN_KILL_OP(lut, |=, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
+ wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req))
+#define LUT_CLEAR_WLAN_KILL(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
+ wifi_prio, wifi_txrx, wifi_sh_ant_req) \
+ LUT_WLAN_KILL_OP(lut, &= ~, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
+ wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req))
+
+#define LUT_ANT_SWITCH_OP(lut, op, val) \
+ lut[(val) >> 4] op (cpu_to_le32(BIT((((val) << 1) & 0x1e) + 1)))
+#define LUT_TEST_ANT_SWITCH(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
+ wifi_prio, wifi_txrx, wifi_sh_ant_req) \
+ (!!(LUT_ANT_SWITCH_OP(lut, &, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
+ wifi_req, wifi_prio, wifi_txrx, \
+ wifi_sh_ant_req))))
+#define LUT_SET_ANT_SWITCH(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
+ wifi_prio, wifi_txrx, wifi_sh_ant_req) \
+ LUT_ANT_SWITCH_OP(lut, |=, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
+ wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req))
+#define LUT_CLEAR_ANT_SWITCH(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
+ wifi_prio, wifi_txrx, wifi_sh_ant_req) \
+ LUT_ANT_SWITCH_OP(lut, &= ~, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
+ wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req))
+
+static const __le32 iwlagn_def_3w_lookup[12] = {
+ cpu_to_le32(0xaaaaaaaa),
+ cpu_to_le32(0xaaaaaaaa),
+ cpu_to_le32(0xaeaaaaaa),
+ cpu_to_le32(0xaaaaaaaa),
+ cpu_to_le32(0xcc00ff28),
+ cpu_to_le32(0x0000aaaa),
+ cpu_to_le32(0xcc00aaaa),
+ cpu_to_le32(0x0000aaaa),
+ cpu_to_le32(0xc0004000),
+ cpu_to_le32(0x00004000),
+ cpu_to_le32(0xf0005000),
+ cpu_to_le32(0xf0004000),
+};
+
+static const __le32 iwlagn_concurrent_lookup[12] = {
+ cpu_to_le32(0xaaaaaaaa),
+ cpu_to_le32(0xaaaaaaaa),
+ cpu_to_le32(0xaaaaaaaa),
+ cpu_to_le32(0xaaaaaaaa),
+ cpu_to_le32(0xaaaaaaaa),
+ cpu_to_le32(0xaaaaaaaa),
+ cpu_to_le32(0xaaaaaaaa),
+ cpu_to_le32(0xaaaaaaaa),
+ cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000),
+};
+
+void iwlagn_send_advance_bt_config(struct iwl_priv *priv)
+{
+ struct iwlagn_bt_cmd bt_cmd = {
+ .max_kill = IWLAGN_BT_MAX_KILL_DEFAULT,
+ .bt3_timer_t7_value = IWLAGN_BT3_T7_DEFAULT,
+ .bt3_prio_sample_time = IWLAGN_BT3_PRIO_SAMPLE_DEFAULT,
+ .bt3_timer_t2_value = IWLAGN_BT3_T2_DEFAULT,
+ };
+
+ BUILD_BUG_ON(sizeof(iwlagn_def_3w_lookup) !=
+ sizeof(bt_cmd.bt3_lookup_table));
+
+ bt_cmd.prio_boost = priv->cfg->bt_prio_boost;
+ bt_cmd.kill_ack_mask = priv->kill_ack_mask;
+ bt_cmd.kill_cts_mask = priv->kill_cts_mask;
+ bt_cmd.valid = priv->bt_valid;
+
+ /*
+ * Configure BT coex mode to "no coexistence" when the
+ * user disabled BT coexistence, we have no interface
+ * (might be in monitor mode), or the interface is in
+ * IBSS mode (no proper uCode support for coex then).
+ */
+ if (!bt_coex_active || priv->iw_mode == NL80211_IFTYPE_ADHOC) {
+ bt_cmd.flags = 0;
+ } else {
+ bt_cmd.flags = IWLAGN_BT_FLAG_COEX_MODE_3W <<
+ IWLAGN_BT_FLAG_COEX_MODE_SHIFT;
+ if (priv->bt_ch_announce)
+ bt_cmd.flags |= IWLAGN_BT_FLAG_CHANNEL_INHIBITION;
+ IWL_DEBUG_INFO(priv, "BT coex flag: 0X%x\n", bt_cmd.flags);
+ }
+ if (priv->bt_full_concurrent)
+ memcpy(bt_cmd.bt3_lookup_table, iwlagn_concurrent_lookup,
+ sizeof(iwlagn_concurrent_lookup));
+ else
+ memcpy(bt_cmd.bt3_lookup_table, iwlagn_def_3w_lookup,
+ sizeof(iwlagn_def_3w_lookup));
+
+ IWL_DEBUG_INFO(priv, "BT coex %s in %s mode\n",
+ bt_cmd.flags ? "active" : "disabled",
+ priv->bt_full_concurrent ?
+ "full concurrency" : "3-wire");
+
+ if (iwl_send_cmd_pdu(priv, REPLY_BT_CONFIG, sizeof(bt_cmd), &bt_cmd))
+ IWL_ERR(priv, "failed to send BT Coex Config\n");
+
+ /*
+ * When we are doing a restart, need to also reconfigure BT
+ * SCO to the device. If not doing a restart, bt_sco_active
+ * will always be false, so there's no need to have an extra
+ * variable to check for it.
+ */
+ if (priv->bt_sco_active) {
+ struct iwlagn_bt_sco_cmd sco_cmd = { .flags = 0 };
+
+ if (priv->bt_sco_active)
+ sco_cmd.flags |= IWLAGN_BT_SCO_ACTIVE;
+ if (iwl_send_cmd_pdu(priv, REPLY_BT_COEX_SCO,
+ sizeof(sco_cmd), &sco_cmd))
+ IWL_ERR(priv, "failed to send BT SCO command\n");
+ }
+}
+
+static void iwlagn_bt_traffic_change_work(struct work_struct *work)
+{
+ struct iwl_priv *priv =
+ container_of(work, struct iwl_priv, bt_traffic_change_work);
+ struct iwl_rxon_context *ctx;
+ int smps_request = -1;
+
+ IWL_DEBUG_INFO(priv, "BT traffic load changes: %d\n",
+ priv->bt_traffic_load);
+
+ switch (priv->bt_traffic_load) {
+ case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
+ smps_request = IEEE80211_SMPS_AUTOMATIC;
+ break;
+ case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
+ smps_request = IEEE80211_SMPS_DYNAMIC;
+ break;
+ case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
+ case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
+ smps_request = IEEE80211_SMPS_STATIC;
+ break;
+ default:
+ IWL_ERR(priv, "Invalid BT traffic load: %d\n",
+ priv->bt_traffic_load);
+ break;
+ }
+
+ mutex_lock(&priv->mutex);
+
+ if (priv->cfg->ops->lib->update_chain_flags)
+ priv->cfg->ops->lib->update_chain_flags(priv);
+
+ if (smps_request != -1) {
+ for_each_context(priv, ctx) {
+ if (ctx->vif && ctx->vif->type == NL80211_IFTYPE_STATION)
+ ieee80211_request_smps(ctx->vif, smps_request);
+ }
+ }
+
+ mutex_unlock(&priv->mutex);
+}
+
+static void iwlagn_print_uartmsg(struct iwl_priv *priv,
+ struct iwl_bt_uart_msg *uart_msg)
+{
+ IWL_DEBUG_NOTIF(priv, "Message Type = 0x%X, SSN = 0x%X, "
+ "Update Req = 0x%X",
+ (BT_UART_MSG_FRAME1MSGTYPE_MSK & uart_msg->frame1) >>
+ BT_UART_MSG_FRAME1MSGTYPE_POS,
+ (BT_UART_MSG_FRAME1SSN_MSK & uart_msg->frame1) >>
+ BT_UART_MSG_FRAME1SSN_POS,
+ (BT_UART_MSG_FRAME1UPDATEREQ_MSK & uart_msg->frame1) >>
+ BT_UART_MSG_FRAME1UPDATEREQ_POS);
+
+ IWL_DEBUG_NOTIF(priv, "Open connections = 0x%X, Traffic load = 0x%X, "
+ "Chl_SeqN = 0x%X, In band = 0x%X",
+ (BT_UART_MSG_FRAME2OPENCONNECTIONS_MSK & uart_msg->frame2) >>
+ BT_UART_MSG_FRAME2OPENCONNECTIONS_POS,
+ (BT_UART_MSG_FRAME2TRAFFICLOAD_MSK & uart_msg->frame2) >>
+ BT_UART_MSG_FRAME2TRAFFICLOAD_POS,
+ (BT_UART_MSG_FRAME2CHLSEQN_MSK & uart_msg->frame2) >>
+ BT_UART_MSG_FRAME2CHLSEQN_POS,
+ (BT_UART_MSG_FRAME2INBAND_MSK & uart_msg->frame2) >>
+ BT_UART_MSG_FRAME2INBAND_POS);
+
+ IWL_DEBUG_NOTIF(priv, "SCO/eSCO = 0x%X, Sniff = 0x%X, A2DP = 0x%X, "
+ "ACL = 0x%X, Master = 0x%X, OBEX = 0x%X",
+ (BT_UART_MSG_FRAME3SCOESCO_MSK & uart_msg->frame3) >>
+ BT_UART_MSG_FRAME3SCOESCO_POS,
+ (BT_UART_MSG_FRAME3SNIFF_MSK & uart_msg->frame3) >>
+ BT_UART_MSG_FRAME3SNIFF_POS,
+ (BT_UART_MSG_FRAME3A2DP_MSK & uart_msg->frame3) >>
+ BT_UART_MSG_FRAME3A2DP_POS,
+ (BT_UART_MSG_FRAME3ACL_MSK & uart_msg->frame3) >>
+ BT_UART_MSG_FRAME3ACL_POS,
+ (BT_UART_MSG_FRAME3MASTER_MSK & uart_msg->frame3) >>
+ BT_UART_MSG_FRAME3MASTER_POS,
+ (BT_UART_MSG_FRAME3OBEX_MSK & uart_msg->frame3) >>
+ BT_UART_MSG_FRAME3OBEX_POS);
+
+ IWL_DEBUG_NOTIF(priv, "Idle duration = 0x%X",
+ (BT_UART_MSG_FRAME4IDLEDURATION_MSK & uart_msg->frame4) >>
+ BT_UART_MSG_FRAME4IDLEDURATION_POS);
+
+ IWL_DEBUG_NOTIF(priv, "Tx Activity = 0x%X, Rx Activity = 0x%X, "
+ "eSCO Retransmissions = 0x%X",
+ (BT_UART_MSG_FRAME5TXACTIVITY_MSK & uart_msg->frame5) >>
+ BT_UART_MSG_FRAME5TXACTIVITY_POS,
+ (BT_UART_MSG_FRAME5RXACTIVITY_MSK & uart_msg->frame5) >>
+ BT_UART_MSG_FRAME5RXACTIVITY_POS,
+ (BT_UART_MSG_FRAME5ESCORETRANSMIT_MSK & uart_msg->frame5) >>
+ BT_UART_MSG_FRAME5ESCORETRANSMIT_POS);
+
+ IWL_DEBUG_NOTIF(priv, "Sniff Interval = 0x%X, Discoverable = 0x%X",
+ (BT_UART_MSG_FRAME6SNIFFINTERVAL_MSK & uart_msg->frame6) >>
+ BT_UART_MSG_FRAME6SNIFFINTERVAL_POS,
+ (BT_UART_MSG_FRAME6DISCOVERABLE_MSK & uart_msg->frame6) >>
+ BT_UART_MSG_FRAME6DISCOVERABLE_POS);
+
+ IWL_DEBUG_NOTIF(priv, "Sniff Activity = 0x%X, Inquiry/Page SR Mode = "
+ "0x%X, Connectable = 0x%X",
+ (BT_UART_MSG_FRAME7SNIFFACTIVITY_MSK & uart_msg->frame7) >>
+ BT_UART_MSG_FRAME7SNIFFACTIVITY_POS,
+ (BT_UART_MSG_FRAME7INQUIRYPAGESRMODE_MSK & uart_msg->frame7) >>
+ BT_UART_MSG_FRAME7INQUIRYPAGESRMODE_POS,
+ (BT_UART_MSG_FRAME7CONNECTABLE_MSK & uart_msg->frame7) >>
+ BT_UART_MSG_FRAME7CONNECTABLE_POS);
+}
+
+static void iwlagn_set_kill_ack_msk(struct iwl_priv *priv,
+ struct iwl_bt_uart_msg *uart_msg)
+{
+ u8 kill_ack_msk;
+ __le32 bt_kill_ack_msg[2] = {
+ cpu_to_le32(0xFFFFFFF), cpu_to_le32(0xFFFFFC00) };
+
+ kill_ack_msk = (((BT_UART_MSG_FRAME3A2DP_MSK |
+ BT_UART_MSG_FRAME3SNIFF_MSK |
+ BT_UART_MSG_FRAME3SCOESCO_MSK) &
+ uart_msg->frame3) == 0) ? 1 : 0;
+ if (priv->kill_ack_mask != bt_kill_ack_msg[kill_ack_msk]) {
+ priv->bt_valid |= IWLAGN_BT_VALID_KILL_ACK_MASK;
+ priv->kill_ack_mask = bt_kill_ack_msg[kill_ack_msk];
+ /* schedule to send runtime bt_config */
+ queue_work(priv->workqueue, &priv->bt_runtime_config);
+ }
+
+}
+
+void iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb)
+{
+ unsigned long flags;
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ struct iwl_bt_coex_profile_notif *coex = &pkt->u.bt_coex_profile_notif;
+ struct iwlagn_bt_sco_cmd sco_cmd = { .flags = 0 };
+ struct iwl_bt_uart_msg *uart_msg = &coex->last_bt_uart_msg;
+ u8 last_traffic_load;
+
+ IWL_DEBUG_NOTIF(priv, "BT Coex notification:\n");
+ IWL_DEBUG_NOTIF(priv, " status: %d\n", coex->bt_status);
+ IWL_DEBUG_NOTIF(priv, " traffic load: %d\n", coex->bt_traffic_load);
+ IWL_DEBUG_NOTIF(priv, " CI compliance: %d\n",
+ coex->bt_ci_compliance);
+ iwlagn_print_uartmsg(priv, uart_msg);
+
+ last_traffic_load = priv->notif_bt_traffic_load;
+ priv->notif_bt_traffic_load = coex->bt_traffic_load;
+ if (priv->iw_mode != NL80211_IFTYPE_ADHOC) {
+ if (priv->bt_status != coex->bt_status ||
+ last_traffic_load != coex->bt_traffic_load) {
+ if (coex->bt_status) {
+ /* BT on */
+ if (!priv->bt_ch_announce)
+ priv->bt_traffic_load =
+ IWL_BT_COEX_TRAFFIC_LOAD_HIGH;
+ else
+ priv->bt_traffic_load =
+ coex->bt_traffic_load;
+ } else {
+ /* BT off */
+ priv->bt_traffic_load =
+ IWL_BT_COEX_TRAFFIC_LOAD_NONE;
+ }
+ priv->bt_status = coex->bt_status;
+ queue_work(priv->workqueue,
+ &priv->bt_traffic_change_work);
+ }
+ if (priv->bt_sco_active !=
+ (uart_msg->frame3 & BT_UART_MSG_FRAME3SCOESCO_MSK)) {
+ priv->bt_sco_active = uart_msg->frame3 &
+ BT_UART_MSG_FRAME3SCOESCO_MSK;
+ if (priv->bt_sco_active)
+ sco_cmd.flags |= IWLAGN_BT_SCO_ACTIVE;
+ iwl_send_cmd_pdu_async(priv, REPLY_BT_COEX_SCO,
+ sizeof(sco_cmd), &sco_cmd, NULL);
+ }
+ }
+
+ iwlagn_set_kill_ack_msk(priv, uart_msg);
+
+ /* FIXME: based on notification, adjust the prio_boost */
+
+ spin_lock_irqsave(&priv->lock, flags);
+ priv->bt_ci_compliance = coex->bt_ci_compliance;
+ spin_unlock_irqrestore(&priv->lock, flags);
+}
+
+void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv)
+{
+ iwlagn_rx_handler_setup(priv);
+ priv->rx_handlers[REPLY_BT_COEX_PROFILE_NOTIF] =
+ iwlagn_bt_coex_profile_notif;
+}
+
+void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv)
+{
+ iwlagn_setup_deferred_work(priv);
+
+ INIT_WORK(&priv->bt_traffic_change_work,
+ iwlagn_bt_traffic_change_work);
+}
+
+void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv)
+{
+ cancel_work_sync(&priv->bt_traffic_change_work);
+}
projects / deliverable / linux.git / blobdiff