}
priv->hw_params.max_txq_num = priv->cfg->mod_params->num_of_queues;
- priv->hw_params.first_ampdu_q = IWL49_FIRST_AMPDU_QUEUE;
priv->hw_params.max_stations = IWL4965_STATION_COUNT;
priv->hw_params.bcast_sta_id = IWL4965_BROADCAST_ID;
priv->hw_params.max_data_size = IWL49_RTC_DATA_SIZE;
agg->rate_n_flags = rate_n_flags;
agg->bitmap = 0;
- /* # frames attempted by Tx command */
+ /* num 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);
int txq_id = SEQ_TO_QUEUE(sequence);
int index = SEQ_TO_INDEX(sequence);
struct iwl_tx_queue *txq = &priv->txq[txq_id];
+ struct ieee80211_hdr *hdr;
struct ieee80211_tx_info *info;
struct iwl4965_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
u32 status = le32_to_cpu(tx_resp->u.status);
- int tid = MAX_TID_COUNT, sta_id = IWL_INVALID_STATION;
- __le16 fc;
- struct ieee80211_hdr *hdr;
+ int tid = MAX_TID_COUNT;
+ int sta_id;
+ int freed;
u8 *qc = NULL;
if ((index >= txq->q.n_bd) || (iwl_queue_used(&txq->q, index) == 0)) {
memset(&info->status, 0, sizeof(info->status));
hdr = iwl_tx_queue_get_hdr(priv, txq_id, index);
- fc = hdr->frame_control;
- if (ieee80211_is_data_qos(fc)) {
+ if (ieee80211_is_data_qos(hdr->frame_control)) {
qc = ieee80211_get_qos_ctl(hdr);
tid = qc[0] & 0xf;
}
const u32 scd_ssn = iwl4965_get_scd_ssn(tx_resp);
struct iwl_ht_agg *agg = NULL;
- if (!qc)
- return;
+ WARN_ON(!qc);
agg = &priv->stations[sta_id].tid[tid].agg;
info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
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 = iwl_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 - IWL49_FIRST_AMPDU_QUEUE +
- priv->hw->queues;
+ if (priv->mac80211_registered &&
+ (iwl_queue_space(&txq->q) > txq->q.low_mark) &&
+ (agg->state != IWL_EMPTYING_HW_QUEUE_DELBA)) {
if (agg->state == IWL_AGG_OFF)
ieee80211_wake_queue(priv->hw, txq_id);
else
- ieee80211_wake_queue(priv->hw, ampdu_q);
+ ieee80211_wake_queue(priv->hw,
+ txq->swq_id);
}
- iwl_txq_check_empty(priv, sta_id, tid, txq_id);
}
} else {
info->status.rates[0].count = tx_resp->failure_frame + 1;
- info->flags |=
- iwl_is_tx_success(status) ? IEEE80211_TX_STAT_ACK : 0;
+ info->flags |= iwl_is_tx_success(status) ?
+ IEEE80211_TX_STAT_ACK : 0;
iwl_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,
- iwl_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);
+ IWL_DEBUG_TX_REPLY("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);
- if (index != -1) {
- int freed = iwl_tx_queue_reclaim(priv, txq_id, index);
- if (tid != MAX_TID_COUNT)
+ freed = iwl_tx_queue_reclaim(priv, txq_id, index);
+ if (qc)
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)
+
+ if (priv->mac80211_registered &&
+ (iwl_queue_space(&txq->q) > txq->q.low_mark))
ieee80211_wake_queue(priv->hw, txq_id);
- if (tid != MAX_TID_COUNT)
- iwl_txq_check_empty(priv, sta_id, tid, txq_id);
- }
}
+ if (qc)
+ iwl_txq_check_empty(priv, sta_id, tid, txq_id);
+
if (iwl_check_bits(status, TX_ABORT_REQUIRED_MSK))
IWL_ERROR("TODO: Implement Tx ABORT REQUIRED!!!\n");
}
int tx_fifo_id, int scd_retry)
{
int txq_id = txq->q.id;
- int active = test_bit(txq_id, &priv->txq_ctx_active_msk)?1:0;
+ int active = test_bit(txq_id, &priv->txq_ctx_active_msk) ? 1 : 0;
iwl_write_prph(priv, IWL50_SCD_QUEUE_STATUS_BITS(txq_id),
(active << IWL50_SCD_QUEUE_STTS_REG_POS_ACTIVE) |
}
priv->hw_params.max_txq_num = priv->cfg->mod_params->num_of_queues;
- priv->hw_params.first_ampdu_q = IWL50_FIRST_AMPDU_QUEUE;
priv->hw_params.max_stations = IWL5000_STATION_COUNT;
priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID;
priv->hw_params.max_data_size = IWL50_RTC_DATA_SIZE;
info->status.rates[0].count = tx_resp->failure_frame + 1;
info->flags &= ~IEEE80211_TX_CTL_AMPDU;
info->flags |= iwl_is_tx_success(status)?
- IEEE80211_TX_STAT_ACK : 0;
+ IEEE80211_TX_STAT_ACK : 0;
iwl_hwrate_to_tx_control(priv, rate_n_flags, info);
/* FIXME: code repetition end */
struct ieee80211_tx_info *info;
struct iwl5000_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
u32 status = le16_to_cpu(tx_resp->status.status);
- int tid = MAX_TID_COUNT, sta_id = IWL_INVALID_STATION;
- struct ieee80211_hdr *hdr;
- u8 *qc = NULL;
+ int tid;
+ int sta_id;
+ int freed;
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 "
info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb[0]);
memset(&info->status, 0, sizeof(info->status));
- hdr = iwl_tx_queue_get_hdr(priv, txq_id, index);
- if (ieee80211_is_data_qos(hdr->frame_control)) {
- qc = ieee80211_get_qos_ctl(hdr);
- tid = qc[0] & 0xf;
- }
-
- sta_id = iwl_get_ra_sta_id(priv, hdr);
- if (txq->sched_retry && unlikely(sta_id == IWL_INVALID_STATION)) {
- IWL_ERROR("Station not known\n");
- return;
- }
+ tid = (tx_resp->ra_tid & IWL50_TX_RES_TID_MSK) >> IWL50_TX_RES_TID_POS;
+ sta_id = (tx_resp->ra_tid & IWL50_TX_RES_RA_MSK) >> IWL50_TX_RES_RA_POS;
if (txq->sched_retry) {
const u32 scd_ssn = iwl5000_get_scd_ssn(tx_resp);
struct iwl_ht_agg *agg = NULL;
- if (!qc)
- return;
-
agg = &priv->stations[sta_id].tid[tid].agg;
iwl5000_tx_status_reply_tx(priv, agg, tx_resp, txq_id, index);
info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
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);
+ IWL_DEBUG_TX_REPLY("Retry scheduler reclaim "
+ "scd_ssn=%d idx=%d txq=%d swq=%d\n",
+ scd_ssn , index, txq_id, txq->swq_id);
+
freed = iwl_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 - IWL50_FIRST_AMPDU_QUEUE +
- priv->hw->queues;
+ if (priv->mac80211_registered &&
+ (iwl_queue_space(&txq->q) > txq->q.low_mark) &&
+ (agg->state != IWL_EMPTYING_HW_QUEUE_DELBA)) {
if (agg->state == IWL_AGG_OFF)
ieee80211_wake_queue(priv->hw, txq_id);
else
- ieee80211_wake_queue(priv->hw, ampdu_q);
+ ieee80211_wake_queue(priv->hw,
+ txq->swq_id);
}
- iwl_txq_check_empty(priv, sta_id, tid, txq_id);
}
} else {
+ BUG_ON(txq_id != txq->swq_id);
+
info->status.rates[0].count = tx_resp->failure_frame + 1;
- info->flags =
- iwl_is_tx_success(status) ? IEEE80211_TX_STAT_ACK : 0;
+ info->flags |= iwl_is_tx_success(status) ?
+ IEEE80211_TX_STAT_ACK : 0;
iwl_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,
- iwl_get_tx_fail_reason(status),
- status, le32_to_cpu(tx_resp->rate_n_flags),
- tx_resp->failure_frame);
+ IWL_DEBUG_TX_REPLY("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);
- IWL_DEBUG_TX_REPLY("Tx queue reclaim %d\n", index);
- if (index != -1) {
- int freed = iwl_tx_queue_reclaim(priv, txq_id, index);
- if (tid != MAX_TID_COUNT)
+ freed = iwl_tx_queue_reclaim(priv, txq_id, index);
+ if (ieee80211_is_data_qos(tx_resp->frame_ctrl))
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)
+
+ if (priv->mac80211_registered &&
+ (iwl_queue_space(&txq->q) > txq->q.low_mark))
ieee80211_wake_queue(priv->hw, txq_id);
- if (tid != MAX_TID_COUNT)
- iwl_txq_check_empty(priv, sta_id, tid, txq_id);
- }
}
+ if (ieee80211_is_data_qos(tx_resp->frame_ctrl))
+ iwl_txq_check_empty(priv, sta_id, tid, txq_id);
+
if (iwl_check_bits(status, TX_ABORT_REQUIRED_MSK))
IWL_ERROR("TODO: Implement Tx ABORT REQUIRED!!!\n");
}
};
enum {
- TX_STATUS_MSK = 0x000000ff, /* bits 0:7 */
+ TX_STATUS_MSK = 0x000000ff, /* bits 0:7 */
TX_STATUS_DELAY_MSK = 0x00000040,
TX_STATUS_ABORT_MSK = 0x00000080,
TX_PACKET_MODE_MSK = 0x0000ff00, /* bits 8:15 */
TX_FIFO_NUMBER_MSK = 0x00070000, /* bits 16:18 */
- TX_RESERVED = 0x00780000, /* bits 19:22 */
+ TX_RESERVED = 0x00780000, /* bits 19:22 */
TX_POWER_PA_DETECT_MSK = 0x7f800000, /* bits 23:30 */
TX_ABORT_REQUIRED_MSK = 0x80000000, /* bits 31:31 */
};
-static inline int iwl_is_tx_success(u32 status)
+static inline bool iwl_is_tx_success(u32 status)
{
status &= TX_STATUS_MSK;
- return (status == TX_STATUS_SUCCESS)
- || (status == TX_STATUS_DIRECT_DONE);
+ return (status == TX_STATUS_SUCCESS) ||
+ (status == TX_STATUS_DIRECT_DONE);
}
AGG_TX_STATE_DELAY_TX_MSK = 0x400
};
-#define AGG_TX_STATE_LAST_SENT_MSK \
-(AGG_TX_STATE_LAST_SENT_TTL_MSK | \
- AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK | \
- AGG_TX_STATE_LAST_SENT_BT_KILL_MSK)
+#define AGG_TX_STATE_LAST_SENT_MSK (AGG_TX_STATE_LAST_SENT_TTL_MSK | \
+ AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK | \
+ AGG_TX_STATE_LAST_SENT_BT_KILL_MSK)
/* # tx attempts for first frame in aggregation */
#define AGG_TX_STATE_TRY_CNT_POS 12
} u;
} __attribute__ ((packed));
+/*
+ * definitions for initial rate index field
+ * bits [3:0] inital rate index
+ * bits [6:4] rate table color, used for the initial rate
+ * bit-7 invalid rate indication
+ * i.e. rate was not chosen from rate table
+ * or rate table color was changed during frame retries
+ * refer tlc rate info
+ */
+
+#define IWL50_TX_RES_INIT_RATE_INDEX_POS 0
+#define IWL50_TX_RES_INIT_RATE_INDEX_MSK 0x0f
+#define IWL50_TX_RES_RATE_TABLE_COLOR_POS 4
+#define IWL50_TX_RES_RATE_TABLE_COLOR_MSK 0x70
+#define IWL50_TX_RES_INV_RATE_INDEX_MSK 0x80
+
+/* refer to ra_tid */
+#define IWL50_TX_RES_TID_POS 0
+#define IWL50_TX_RES_TID_MSK 0x0f
+#define IWL50_TX_RES_RA_POS 4
+#define IWL50_TX_RES_RA_MSK 0xf0
+
struct iwl5000_tx_resp {
u8 frame_count; /* 1 no aggregation, >1 aggregation */
u8 bt_kill_count; /* # blocked by bluetooth (unused for agg) */
* For agg: RTS + CTS + aggregation tx time + block-ack time. */
__le16 wireless_media_time; /* uSecs */
- __le16 reserved;
- __le32 pa_power1; /* RF power amplifier measurement (not used) */
- __le32 pa_power2;
+ u8 pa_status; /* RF power amplifier measurement (not used) */
+ u8 pa_integ_res_a[3];
+ u8 pa_integ_res_b[3];
+ u8 pa_integ_res_C[3];
__le32 tfd_info;
__le16 seq_ctl;
__le16 byte_cnt;
- __le32 tlc_info;
+ u8 tlc_info;
+ u8 ra_tid; /* tid (0:3), sta_id (4:7) */
+ __le16 frame_ctrl;
/*
* For non-agg: frame status TX_STATUS_*
* For agg: status of 1st frame, AGG_TX_STATE_*; other frame status
#define IWL_DEBUG_STATS(f, a...) IWL_DEBUG(IWL_DL_STATS, f, ## a)
#define IWL_DEBUG_STATS_LIMIT(f, a...) IWL_DEBUG_LIMIT(IWL_DL_STATS, f, ## a)
#define IWL_DEBUG_TX_REPLY(f, a...) IWL_DEBUG(IWL_DL_TX_REPLY, f, ## a)
+#define IWL_DEBUG_TX_REPLY_LIMIT(f, a...) \
+ IWL_DEBUG_LIMIT(IWL_DL_TX_REPLY, f, ## a)
#define IWL_DEBUG_QOS(f, a...) IWL_DEBUG(IWL_DL_QOS, f, ## a)
#define IWL_DEBUG_RADIO(f, a...) IWL_DEBUG(IWL_DL_RADIO, f, ## a)
#define IWL_DEBUG_POWER(f, a...) IWL_DEBUG(IWL_DL_POWER, f, ## a)
struct iwl_tfd *tfds;
struct iwl_cmd *cmd[TFD_TX_CMD_SLOTS];
struct iwl_tx_info *txb;
- int need_update;
- int sched_retry;
- int active;
+ u8 need_update;
+ u8 sched_retry;
+ u8 active;
+ u8 swq_id;
};
#define IWL_NUM_SCAN_RATES (2)
* @ct_kill_threshold: temperature threshold
* @calib_init_cfg: setup initial claibrations for the hw
* @struct iwl_sensitivity_ranges: range of sensitivity values
- * @first_ampdu_q: first HW queue available for ampdu
*/
struct iwl_hw_params {
u16 max_txq_num;
u32 ct_kill_threshold; /* value in hw-dependent units */
u32 calib_init_cfg;
const struct iwl_sensitivity_ranges *sens;
- u8 first_ampdu_q;
};
#define HT_SHORT_GI_20MHZ (1 << 0)
priv->stations[sta_id].tid[tid].tfds_in_queue++;
}
- /* Descriptor for chosen Tx queue */
txq = &priv->txq[txq_id];
q = &txq->q;
+ txq->swq_id = swq_id;
spin_lock_irqsave(&priv->lock, flags);
iwl_txq_update_write_ptr(priv, txq);
spin_unlock_irqrestore(&priv->lock, flags);
} else {
- ieee80211_stop_queue(priv->hw, swq_id);
+ ieee80211_stop_queue(priv->hw, txq->swq_id);
}
}
case IWL_EMPTYING_HW_QUEUE_DELBA:
/* We are reclaiming the last packet of the */
/* aggregated HW queue */
- if (txq_id == tid_data->agg.txq_id &&
- q->read_ptr == q->write_ptr) {
+ if ((txq_id == tid_data->agg.txq_id) &&
+ (q->read_ptr == q->write_ptr)) {
u16 ssn = SEQ_TO_SN(tid_data->seq_number);
int tx_fifo = default_tid_to_tx_fifo[tid];
IWL_DEBUG_HT("HW queue empty: continue DELBA flow\n");
IWL_DEBUG_TX_REPLY("BA %d %d\n", agg->start_idx, ba_resp->seq_ctl);
/* Calculate shift to align block-ack bits with our Tx window bits */
- sh = agg->start_idx - SEQ_TO_INDEX(seq_ctl>>4);
+ sh = agg->start_idx - SEQ_TO_INDEX(seq_ctl >> 4);
if (sh < 0) /* tbw something is wrong with indices */
sh += 0x100;
{
struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
struct iwl_compressed_ba_resp *ba_resp = &pkt->u.compressed_ba;
- int index;
struct iwl_tx_queue *txq = NULL;
struct iwl_ht_agg *agg;
+ int index;
+ int sta_id;
+ int tid;
/* "flow" corresponds to Tx queue */
u16 scd_flow = le16_to_cpu(ba_resp->scd_flow);
}
txq = &priv->txq[scd_flow];
- agg = &priv->stations[ba_resp->sta_id].tid[ba_resp->tid].agg;
+ sta_id = ba_resp->sta_id;
+ tid = ba_resp->tid;
+ agg = &priv->stations[sta_id].tid[tid].agg;
/* Find index just before block-ack window */
index = iwl_queue_dec_wrap(ba_resp_scd_ssn & 0xff, txq->q.n_bd);
/* TODO: Need to get this copy more safely - now good for debug */
- IWL_DEBUG_TX_REPLY("REPLY_COMPRESSED_BA [%d]Received from %pM, "
+ IWL_DEBUG_TX_REPLY("REPLY_COMPRESSED_BA [%d] Received from %pM, "
"sta_id = %d\n",
agg->wait_for_ba,
(u8 *) &ba_resp->sta_addr_lo32,
* transmitted ... if not, it's too late anyway). */
if (txq->q.read_ptr != (ba_resp_scd_ssn & 0xff)) {
/* calculate mac80211 ampdu sw queue to wake */
- int ampdu_q =
- scd_flow - priv->hw_params.first_ampdu_q + priv->hw->queues;
int freed = iwl_tx_queue_reclaim(priv, scd_flow, index);
- priv->stations[ba_resp->sta_id].
- tid[ba_resp->tid].tfds_in_queue -= freed;
- if (iwl_queue_space(&txq->q) > txq->q.low_mark &&
- priv->mac80211_registered &&
- agg->state != IWL_EMPTYING_HW_QUEUE_DELBA)
- ieee80211_wake_queue(priv->hw, ampdu_q);
-
- iwl_txq_check_empty(priv, ba_resp->sta_id,
- ba_resp->tid, scd_flow);
+ priv->stations[sta_id].tid[tid].tfds_in_queue -= freed;
+
+ if ((iwl_queue_space(&txq->q) > txq->q.low_mark) &&
+ priv->mac80211_registered &&
+ (agg->state != IWL_EMPTYING_HW_QUEUE_DELBA))
+ ieee80211_wake_queue(priv->hw, txq->swq_id);
+
+ iwl_txq_check_empty(priv, sta_id, tid, scd_flow);
}
}
EXPORT_SYMBOL(iwl_rx_reply_compressed_ba);
projects / linux-platform-drivers-x86.git / commitdiff