{
unsigned long flags;
u16 ra_tid;
+ int ret;
if ((IWLAGN_FIRST_AMPDU_QUEUE > txq_id) ||
(IWLAGN_FIRST_AMPDU_QUEUE + priv->cfg->num_of_ampdu_queues
ra_tid = BUILD_RAxTID(sta_id, tid);
/* Modify device's station table to Tx this TID */
- iwl_sta_tx_modify_enable_tid(priv, sta_id, tid);
+ ret = iwl_sta_tx_modify_enable_tid(priv, sta_id, tid);
+ if (ret)
+ return ret;
spin_lock_irqsave(&priv->lock, flags);
* handle build REPLY_TX command notification.
*/
static void iwlagn_tx_cmd_build_basic(struct iwl_priv *priv,
- struct iwl_tx_cmd *tx_cmd,
- struct ieee80211_tx_info *info,
- struct ieee80211_hdr *hdr,
- u8 std_id)
+ struct sk_buff *skb,
+ struct iwl_tx_cmd *tx_cmd,
+ struct ieee80211_tx_info *info,
+ struct ieee80211_hdr *hdr,
+ u8 std_id)
{
__le16 fc = hdr->frame_control;
__le32 tx_flags = tx_cmd->tx_flags;
if (ieee80211_is_back_req(fc))
tx_flags |= TX_CMD_FLG_ACK_MSK | TX_CMD_FLG_IMM_BA_RSP_MASK;
+ else if (info->band == IEEE80211_BAND_2GHZ &&
+ priv->cfg->advanced_bt_coexist &&
+ (ieee80211_is_auth(fc) || ieee80211_is_assoc_req(fc) ||
+ ieee80211_is_reassoc_req(fc) ||
+ skb->protocol == cpu_to_be16(ETH_P_PAE)))
+ tx_flags |= TX_CMD_FLG_IGNORE_BT;
tx_cmd->sta_id = std_id;
tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
}
- priv->cfg->ops->utils->rts_tx_cmd_flag(info, &tx_flags);
-
- if ((tx_flags & TX_CMD_FLG_RTS_MSK) || (tx_flags & TX_CMD_FLG_CTS_MSK))
- tx_flags |= TX_CMD_FLG_FULL_TXOP_PROT_MSK;
+ priv->cfg->ops->utils->tx_cmd_protection(priv, info, fc, &tx_flags);
tx_flags &= ~(TX_CMD_FLG_ANT_SEL_MSK);
if (ieee80211_is_mgmt(fc)) {
if ((rate_idx >= IWL_FIRST_CCK_RATE) && (rate_idx <= IWL_LAST_CCK_RATE))
rate_flags |= RATE_MCS_CCK_MSK;
- /* Set up RTS and CTS flags for certain packets */
- switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) {
- case cpu_to_le16(IEEE80211_STYPE_AUTH):
- case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
- case cpu_to_le16(IEEE80211_STYPE_ASSOC_REQ):
- case cpu_to_le16(IEEE80211_STYPE_REASSOC_REQ):
- if (tx_cmd->tx_flags & TX_CMD_FLG_RTS_MSK) {
- tx_cmd->tx_flags &= ~TX_CMD_FLG_RTS_MSK;
- tx_cmd->tx_flags |= TX_CMD_FLG_CTS_MSK;
- }
- break;
- default:
- break;
- }
-
/* Set up antennas */
- priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant);
+ if (priv->cfg->advanced_bt_coexist && priv->bt_full_concurrent) {
+ /* operated as 1x1 in full concurrency mode */
+ priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant,
+ first_antenna(priv->hw_params.valid_tx_ant));
+ } else
+ priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant,
+ priv->hw_params.valid_tx_ant);
rate_flags |= iwl_ant_idx_to_flags(priv->mgmt_tx_ant);
/* Set the rate in the TX cmd */
{
struct ieee80211_key_conf *keyconf = info->control.hw_key;
- switch (keyconf->alg) {
- case ALG_CCMP:
+ switch (keyconf->cipher) {
+ case WLAN_CIPHER_SUITE_CCMP:
tx_cmd->sec_ctl = TX_CMD_SEC_CCM;
memcpy(tx_cmd->key, keyconf->key, keyconf->keylen);
if (info->flags & IEEE80211_TX_CTL_AMPDU)
IWL_DEBUG_TX(priv, "tx_cmd with AES hwcrypto\n");
break;
- case ALG_TKIP:
+ case WLAN_CIPHER_SUITE_TKIP:
tx_cmd->sec_ctl = TX_CMD_SEC_TKIP;
ieee80211_get_tkip_key(keyconf, skb_frag,
IEEE80211_TKIP_P2_KEY, tx_cmd->key);
IWL_DEBUG_TX(priv, "tx_cmd with tkip hwcrypto\n");
break;
- case ALG_WEP:
+ case WLAN_CIPHER_SUITE_WEP104:
+ tx_cmd->sec_ctl |= TX_CMD_SEC_KEY128;
+ /* fall through */
+ case WLAN_CIPHER_SUITE_WEP40:
tx_cmd->sec_ctl |= (TX_CMD_SEC_WEP |
(keyconf->keyidx & TX_CMD_SEC_MSK) << TX_CMD_SEC_SHIFT);
- if (keyconf->keylen == WEP_KEY_LEN_128)
- tx_cmd->sec_ctl |= TX_CMD_SEC_KEY128;
-
memcpy(&tx_cmd->key[3], keyconf->key, keyconf->keylen);
IWL_DEBUG_TX(priv, "Configuring packet for WEP encryption "
break;
default:
- IWL_ERR(priv, "Unknown encode alg %d\n", keyconf->alg);
+ IWL_ERR(priv, "Unknown encode cipher %x\n", keyconf->cipher);
break;
}
}
hdr_len = ieee80211_hdrlen(fc);
/* Find index into station table for destination station */
- if (!info->control.sta)
- sta_id = priv->hw_params.bcast_sta_id;
- else
- sta_id = iwl_sta_id(info->control.sta);
+ sta_id = iwl_sta_id_or_broadcast(priv, info->control.sta);
if (sta_id == IWL_INVALID_STATION) {
IWL_DEBUG_DROP(priv, "Dropping - INVALID STATION: %pM\n",
hdr->addr1);
}
txq_id = get_queue_from_ac(skb_get_queue_mapping(skb));
+
+ /* irqs already disabled/saved above when locking priv->lock */
+ spin_lock(&priv->sta_lock);
+
if (ieee80211_is_data_qos(fc)) {
qc = ieee80211_get_qos_ctl(hdr);
tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
- if (unlikely(tid >= MAX_TID_COUNT))
+ if (WARN_ON_ONCE(tid >= MAX_TID_COUNT)) {
+ spin_unlock(&priv->sta_lock);
goto drop_unlock;
+ }
seq_number = priv->stations[sta_id].tid[tid].seq_number;
seq_number &= IEEE80211_SCTL_SEQ;
hdr->seq_ctrl = hdr->seq_ctrl &
swq_id = txq->swq_id;
q = &txq->q;
- if (unlikely(iwl_queue_space(q) < q->high_mark))
+ if (unlikely(iwl_queue_space(q) < q->high_mark)) {
+ spin_unlock(&priv->sta_lock);
goto drop_unlock;
+ }
- if (ieee80211_is_data_qos(fc))
+ if (ieee80211_is_data_qos(fc)) {
priv->stations[sta_id].tid[tid].tfds_in_queue++;
+ if (!ieee80211_has_morefrags(fc))
+ priv->stations[sta_id].tid[tid].seq_number = seq_number;
+ }
+
+ spin_unlock(&priv->sta_lock);
/* Set up driver data for this TFD */
memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct iwl_tx_info));
- txq->txb[q->write_ptr].skb[0] = skb;
+ txq->txb[q->write_ptr].skb = skb;
/* Set up first empty entry in queue's array of Tx/cmd buffers */
out_cmd = txq->cmd[q->write_ptr];
iwlagn_tx_cmd_build_hwcrypto(priv, info, tx_cmd, skb, sta_id);
/* TODO need this for burst mode later on */
- iwlagn_tx_cmd_build_basic(priv, tx_cmd, info, hdr, sta_id);
+ iwlagn_tx_cmd_build_basic(priv, skb, tx_cmd, info, hdr, sta_id);
iwl_dbg_log_tx_data_frame(priv, len, hdr);
iwlagn_tx_cmd_build_rate(priv, tx_cmd, info, fc);
txcmd_phys = pci_map_single(priv->pci_dev,
&out_cmd->hdr, len,
PCI_DMA_BIDIRECTIONAL);
- pci_unmap_addr_set(out_meta, mapping, txcmd_phys);
- pci_unmap_len_set(out_meta, len, len);
+ dma_unmap_addr_set(out_meta, mapping, txcmd_phys);
+ dma_unmap_len_set(out_meta, len, len);
/* Add buffer containing Tx command and MAC(!) header to TFD's
* first entry */
priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq,
if (!ieee80211_has_morefrags(hdr->frame_control)) {
txq->need_update = 1;
- if (qc)
- priv->stations[sta_id].tid[tid].seq_number = seq_number;
} else {
wait_write_ptr = 1;
txq->need_update = 0;
/* Stop each Tx DMA channel, and wait for it to be idle */
for (ch = 0; ch < priv->hw_params.dma_chnl_num; ch++) {
iwl_write_direct32(priv, FH_TCSR_CHNL_TX_CONFIG_REG(ch), 0x0);
- iwl_poll_direct_bit(priv, FH_TSSR_TX_STATUS_REG,
+ if (iwl_poll_direct_bit(priv, FH_TSSR_TX_STATUS_REG,
FH_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(ch),
- 1000);
+ 1000))
+ IWL_ERR(priv, "Failing on timeout while stopping"
+ " DMA channel %d [0x%08x]", ch,
+ iwl_read_direct32(priv, FH_TSSR_TX_STATUS_REG));
}
spin_unlock_irqrestore(&priv->lock, flags);
}
if (ret)
return ret;
+ spin_lock_irqsave(&priv->sta_lock, flags);
+ tid_data = &priv->stations[sta_id].tid[tid];
if (tid_data->tfds_in_queue == 0) {
IWL_DEBUG_HT(priv, "HW queue is empty\n");
tid_data->agg.state = IWL_AGG_ON;
tid_data->tfds_in_queue);
tid_data->agg.state = IWL_EMPTYING_HW_QUEUE_ADDBA;
}
+ spin_unlock_irqrestore(&priv->sta_lock, flags);
return ret;
}
return -ENXIO;
}
+ spin_lock_irqsave(&priv->sta_lock, flags);
+
if (priv->stations[sta_id].tid[tid].agg.state ==
IWL_EMPTYING_HW_QUEUE_ADDBA) {
IWL_DEBUG_HT(priv, "AGG stop before setup done\n");
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
priv->stations[sta_id].tid[tid].agg.state = IWL_AGG_OFF;
+ spin_unlock_irqrestore(&priv->sta_lock, flags);
return 0;
}
IWL_DEBUG_HT(priv, "Stopping a non empty AGG HW QUEUE\n");
priv->stations[sta_id].tid[tid].agg.state =
IWL_EMPTYING_HW_QUEUE_DELBA;
+ spin_unlock_irqrestore(&priv->sta_lock, flags);
return 0;
}
IWL_DEBUG_HT(priv, "HW queue is empty\n");
priv->stations[sta_id].tid[tid].agg.state = IWL_AGG_OFF;
- spin_lock_irqsave(&priv->lock, flags);
+ /* do not restore/save irqs */
+ spin_unlock(&priv->sta_lock);
+ spin_lock(&priv->lock);
+
/*
* the only reason this call can fail is queue number out of range,
* which can happen if uCode is reloaded and all the station
u8 *addr = priv->stations[sta_id].sta.sta.addr;
struct iwl_tid_data *tid_data = &priv->stations[sta_id].tid[tid];
+ lockdep_assert_held(&priv->sta_lock);
+
switch (priv->stations[sta_id].tid[tid].agg.state) {
case IWL_EMPTYING_HW_QUEUE_DELBA:
/* We are reclaiming the last packet of the */
}
break;
}
+
return 0;
}
q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) {
tx_info = &txq->txb[txq->q.read_ptr];
- iwlagn_tx_status(priv, tx_info->skb[0]);
+ iwlagn_tx_status(priv, tx_info->skb);
- hdr = (struct ieee80211_hdr *)tx_info->skb[0]->data;
+ hdr = (struct ieee80211_hdr *)tx_info->skb->data;
if (hdr && ieee80211_is_data_qos(hdr->frame_control))
nfreed++;
- tx_info->skb[0] = NULL;
+ tx_info->skb = NULL;
if (priv->cfg->ops->lib->txq_inval_byte_cnt_tbl)
priv->cfg->ops->lib->txq_inval_byte_cnt_tbl(priv, txq);
int i, sh, ack;
u16 seq_ctl = le16_to_cpu(ba_resp->seq_ctl);
u16 scd_flow = le16_to_cpu(ba_resp->scd_flow);
- u64 bitmap;
+ u64 bitmap, sent_bitmap;
int successes = 0;
struct ieee80211_tx_info *info;
/* check for success or failure according to the
* transmitted bitmap and block-ack bitmap */
- bitmap &= agg->bitmap;
+ sent_bitmap = bitmap & agg->bitmap;
/* For each frame attempted in aggregation,
* update driver's record of tx frame's status. */
- for (i = 0; i < agg->frame_count ; i++) {
- ack = bitmap & (1ULL << i);
- successes += !!ack;
+ i = 0;
+ while (sent_bitmap) {
+ ack = sent_bitmap & 1ULL;
+ successes += ack;
IWL_DEBUG_TX_REPLY(priv, "%s ON i=%d idx=%d raw=%d\n",
ack ? "ACK" : "NACK", i, (agg->start_idx + i) & 0xff,
agg->start_idx + i);
+ sent_bitmap >>= 1;
+ ++i;
}
- info = IEEE80211_SKB_CB(priv->txq[scd_flow].txb[agg->start_idx].skb[0]);
+ info = IEEE80211_SKB_CB(priv->txq[scd_flow].txb[agg->start_idx].skb);
memset(&info->status, 0, sizeof(info->status));
info->flags |= IEEE80211_TX_STAT_ACK;
info->flags |= IEEE80211_TX_STAT_AMPDU;
info->status.ampdu_ack_len = successes;
- info->status.ampdu_ack_map = bitmap;
info->status.ampdu_len = agg->frame_count;
iwlagn_hwrate_to_tx_control(priv, agg->rate_n_flags, info);
int index;
int sta_id;
int tid;
+ unsigned long flags;
/* "flow" corresponds to Tx queue */
u16 scd_flow = le16_to_cpu(ba_resp->scd_flow);
tid = ba_resp->tid;
agg = &priv->stations[sta_id].tid[tid].agg;
if (unlikely(agg->txq_id != scd_flow)) {
- IWL_ERR(priv, "BA scd_flow %d does not match txq_id %d\n",
+ /*
+ * FIXME: this is a uCode bug which need to be addressed,
+ * log the information and return for now!
+ * since it is possible happen very often and in order
+ * not to fill the syslog, don't enable the logging by default
+ */
+ IWL_DEBUG_TX_REPLY(priv,
+ "BA scd_flow %d does not match txq_id %d\n",
scd_flow, agg->txq_id);
return;
}
/* 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 */
+ spin_lock_irqsave(&priv->sta_lock, flags);
IWL_DEBUG_TX_REPLY(priv, "REPLY_COMPRESSED_BA [%d] Received from %pM, "
"sta_id = %d\n",
iwlagn_txq_check_empty(priv, sta_id, tid, scd_flow);
}
+
+ spin_unlock_irqrestore(&priv->sta_lock, flags);
}
projects / karo-tx-linux.git / blobdiff