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>

2 files changed, 13 insertions, 19 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index 494de0e59cb4..5445fd6a5a91 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -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;
-
-                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;
-                }
+        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;
         }
 
         bc_ent = cpu_to_le16((len & 0xFFF) | (sta_id << 12));
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 517d1049d7d9..5a7cd177fe5e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -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);