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iwlagn: dont update bytecount table for command queue 

The device doesn't use the bytecount table for the
command queue, only for aggregation queues to make
aggregation decisions. So don't update it for the
command queue (and we even updated it with wrong
values).

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
This commit is contained in:
Johannes Berg 2011-04-28 07:27:08 -07:00 committed by Wey-Yi Guy
parent 4c2cde3b59
commit ccb6c1c0ec
2 changed files with 12 additions and 18 deletions
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26
drivers/net/wireless/iwlwifi/iwl-agn-tx.c
View File

@ -112,21 +112,19 @@ void iwlagn_txq_update_byte_cnt_tbl(struct iwl_priv *priv,
WARN_ON(len > 0xFFF || write_ptr >= TFD_QUEUE_SIZE_MAX);
if (txq_id != priv->cmd_queue) {
sta_id = txq->cmd[txq->q.write_ptr]->cmd.tx.sta_id;
sec_ctl = txq->cmd[txq->q.write_ptr]->cmd.tx.sec_ctl;
sta_id = txq->cmd[txq->q.write_ptr]->cmd.tx.sta_id;
sec_ctl = txq->cmd[txq->q.write_ptr]->cmd.tx.sec_ctl;
switch (sec_ctl & TX_CMD_SEC_MSK) {
case TX_CMD_SEC_CCM:
len += CCMP_MIC_LEN;
break;
case TX_CMD_SEC_TKIP:
len += TKIP_ICV_LEN;
break;
case TX_CMD_SEC_WEP:
len += WEP_IV_LEN + WEP_ICV_LEN;
break;
}
switch (sec_ctl & TX_CMD_SEC_MSK) {
case TX_CMD_SEC_CCM:
len += CCMP_MIC_LEN;
break;
case TX_CMD_SEC_TKIP:
len += TKIP_ICV_LEN;
break;
case TX_CMD_SEC_WEP:
len += WEP_IV_LEN + WEP_ICV_LEN;
break;
}
bc_ent = cpu_to_le16((len & 0xFFF) | (sta_id << 12));

4
drivers/net/wireless/iwlwifi/iwl-tx.c
View File

@ -540,10 +540,6 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
#endif
txq->need_update = 1;
if (priv->cfg->ops->lib->txq_update_byte_cnt_tbl)
/* Set up entry in queue's byte count circular buffer */
priv->cfg->ops->lib->txq_update_byte_cnt_tbl(priv, txq, 0);
phys_addr = pci_map_single(priv->pci_dev, &out_cmd->hdr,
fix_size, PCI_DMA_BIDIRECTIONAL);
dma_unmap_addr_set(out_meta, mapping, phys_addr);