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path: root/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-tx.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-tx.c110
1 files changed, 62 insertions, 48 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index 2b078a995729..07bbc915529a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -518,11 +518,11 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
struct iwl_cmd_meta *out_meta;
struct iwl_tx_cmd *tx_cmd;
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
- int swq_id, txq_id;
+ int txq_id;
dma_addr_t phys_addr;
dma_addr_t txcmd_phys;
dma_addr_t scratch_phys;
- u16 len, len_org, firstlen, secondlen;
+ u16 len, firstlen, secondlen;
u16 seq_number = 0;
__le16 fc;
u8 hdr_len;
@@ -620,7 +620,6 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
}
txq = &priv->txq[txq_id];
- swq_id = txq->swq_id;
q = &txq->q;
if (unlikely(iwl_queue_space(q) < q->high_mark)) {
@@ -687,30 +686,23 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
*/
len = sizeof(struct iwl_tx_cmd) +
sizeof(struct iwl_cmd_header) + hdr_len;
-
- len_org = len;
- firstlen = len = (len + 3) & ~3;
-
- if (len_org != len)
- len_org = 1;
- else
- len_org = 0;
+ firstlen = (len + 3) & ~3;
/* Tell NIC about any 2-byte padding after MAC header */
- if (len_org)
+ if (firstlen != len)
tx_cmd->tx_flags |= TX_CMD_FLG_MH_PAD_MSK;
/* Physical address of this Tx command's header (not MAC header!),
* within command buffer array. */
txcmd_phys = pci_map_single(priv->pci_dev,
- &out_cmd->hdr, len,
+ &out_cmd->hdr, firstlen,
PCI_DMA_BIDIRECTIONAL);
dma_unmap_addr_set(out_meta, mapping, txcmd_phys);
- dma_unmap_len_set(out_meta, len, len);
+ dma_unmap_len_set(out_meta, len, firstlen);
/* Add buffer containing Tx command and MAC(!) header to TFD's
* first entry */
priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq,
- txcmd_phys, len, 1, 0);
+ txcmd_phys, firstlen, 1, 0);
if (!ieee80211_has_morefrags(hdr->frame_control)) {
txq->need_update = 1;
@@ -721,23 +713,21 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
/* Set up TFD's 2nd entry to point directly to remainder of skb,
* if any (802.11 null frames have no payload). */
- secondlen = len = skb->len - hdr_len;
- if (len) {
+ secondlen = skb->len - hdr_len;
+ if (secondlen > 0) {
phys_addr = pci_map_single(priv->pci_dev, skb->data + hdr_len,
- len, PCI_DMA_TODEVICE);
+ secondlen, PCI_DMA_TODEVICE);
priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq,
- phys_addr, len,
+ phys_addr, secondlen,
0, 0);
}
scratch_phys = txcmd_phys + sizeof(struct iwl_cmd_header) +
offsetof(struct iwl_tx_cmd, scratch);
- len = sizeof(struct iwl_tx_cmd) +
- sizeof(struct iwl_cmd_header) + hdr_len;
/* take back ownership of DMA buffer to enable update */
pci_dma_sync_single_for_cpu(priv->pci_dev, txcmd_phys,
- len, PCI_DMA_BIDIRECTIONAL);
+ firstlen, PCI_DMA_BIDIRECTIONAL);
tx_cmd->dram_lsb_ptr = cpu_to_le32(scratch_phys);
tx_cmd->dram_msb_ptr = iwl_get_dma_hi_addr(scratch_phys);
@@ -753,7 +743,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
le16_to_cpu(tx_cmd->len));
pci_dma_sync_single_for_device(priv->pci_dev, txcmd_phys,
- len, PCI_DMA_BIDIRECTIONAL);
+ firstlen, PCI_DMA_BIDIRECTIONAL);
trace_iwlwifi_dev_tx(priv,
&((struct iwl_tfd *)txq->tfds)[txq->q.write_ptr],
@@ -784,7 +774,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
iwl_txq_update_write_ptr(priv, txq);
spin_unlock_irqrestore(&priv->lock, flags);
} else {
- iwl_stop_queue(priv, txq->swq_id);
+ iwl_stop_queue(priv, txq);
}
}
@@ -1013,7 +1003,7 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
tid_data = &priv->stations[sta_id].tid[tid];
*ssn = SEQ_TO_SN(tid_data->seq_number);
tid_data->agg.txq_id = txq_id;
- priv->txq[txq_id].swq_id = iwl_virtual_agg_queue_num(get_ac_from_tid(tid), txq_id);
+ iwl_set_swq_id(&priv->txq[txq_id], get_ac_from_tid(tid), txq_id);
spin_unlock_irqrestore(&priv->sta_lock, flags);
ret = priv->cfg->ops->lib->txq_agg_enable(priv, txq_id, tx_fifo,
@@ -1241,37 +1231,61 @@ static int iwlagn_tx_status_reply_compressed_ba(struct iwl_priv *priv,
if (sh < 0) /* tbw something is wrong with indices */
sh += 0x100;
- /* don't use 64-bit values for now */
- bitmap = le64_to_cpu(ba_resp->bitmap) >> sh;
-
if (agg->frame_count > (64 - sh)) {
IWL_DEBUG_TX_REPLY(priv, "more frames than bitmap size");
return -1;
}
-
- /* check for success or failure according to the
- * transmitted bitmap and block-ack bitmap */
- sent_bitmap = bitmap & agg->bitmap;
-
- /* For each frame attempted in aggregation,
- * update driver's record of tx frame's status. */
- 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;
+ if (!priv->cfg->base_params->no_agg_framecnt_info && ba_resp->txed) {
+ /*
+ * sent and ack information provided by uCode
+ * use it instead of figure out ourself
+ */
+ if (ba_resp->txed_2_done > ba_resp->txed) {
+ IWL_DEBUG_TX_REPLY(priv,
+ "bogus sent(%d) and ack(%d) count\n",
+ ba_resp->txed, ba_resp->txed_2_done);
+ /*
+ * set txed_2_done = txed,
+ * so it won't impact rate scale
+ */
+ ba_resp->txed = ba_resp->txed_2_done;
+ }
+ IWL_DEBUG_HT(priv, "agg frames sent:%d, acked:%d\n",
+ ba_resp->txed, ba_resp->txed_2_done);
+ } else {
+ /* don't use 64-bit values for now */
+ bitmap = le64_to_cpu(ba_resp->bitmap) >> sh;
+
+ /* check for success or failure according to the
+ * transmitted bitmap and block-ack bitmap */
+ sent_bitmap = bitmap & agg->bitmap;
+
+ /* For each frame attempted in aggregation,
+ * update driver's record of tx frame's status. */
+ 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);
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_len = agg->frame_count;
+ if (!priv->cfg->base_params->no_agg_framecnt_info && ba_resp->txed) {
+ info->status.ampdu_ack_len = ba_resp->txed_2_done;
+ info->status.ampdu_len = ba_resp->txed;
+
+ } else {
+ info->status.ampdu_ack_len = successes;
+ info->status.ampdu_len = agg->frame_count;
+ }
iwlagn_hwrate_to_tx_control(priv, agg->rate_n_flags, info);
IWL_DEBUG_TX_REPLY(priv, "Bitmap %llx\n", (unsigned long long)bitmap);
@@ -1385,7 +1399,7 @@ void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
if ((iwl_queue_space(&txq->q) > txq->q.low_mark) &&
priv->mac80211_registered &&
(agg->state != IWL_EMPTYING_HW_QUEUE_DELBA))
- iwl_wake_queue(priv, txq->swq_id);
+ iwl_wake_queue(priv, txq);
iwlagn_txq_check_empty(priv, sta_id, tid, scd_flow);
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-20 03:02:26 +0000