1 files changed, 2 insertions, 197 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
index 966be5689d63..2beaf3c01552 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
@@ -205,47 +205,6 @@ static inline void iwl_pcie_tfd_set_tb(struct iwl_trans *trans, void *tfd,
 	tfd_fh->num_tbs = idx + 1;
 }
 
-/*
- * iwl_pcie_txq_free_tfd - Free all chunks referenced by TFD [txq->q.read_ptr]
- * @trans - transport private data
- * @txq - tx queue
- * @dma_dir - the direction of the DMA mapping
- *
- * Does NOT advance any TFD circular buffer read/write indexes
- * Does NOT free the TFD itself (which is within circular buffer)
- */
-void iwl_pcie_txq_free_tfd(struct iwl_trans *trans, struct iwl_txq *txq)
-{
-	/* rd_ptr is bounded by TFD_QUEUE_SIZE_MAX and
-	 * idx is bounded by n_window
-	 */
-	int rd_ptr = txq->read_ptr;
-	int idx = iwl_txq_get_cmd_index(txq, rd_ptr);
-
-	lockdep_assert_held(&txq->lock);
-
-	/* We have only q->n_window txq->entries, but we use
-	 * TFD_QUEUE_SIZE_MAX tfds
-	 */
-	iwl_txq_gen1_tfd_unmap(trans, &txq->entries[idx].meta, txq, rd_ptr);
-
-	/* free SKB */
-	if (txq->entries) {
-		struct sk_buff *skb;
-
-		skb = txq->entries[idx].skb;
-
-		/* Can be called from irqs-disabled context
-		 * If skb is not NULL, it means that the whole queue is being
-		 * freed and that the queue is not empty - free the skb
-		 */
-		if (skb) {
-			iwl_op_mode_free_skb(trans->op_mode, skb);
-			txq->entries[idx].skb = NULL;
-		}
-	}
-}
-
 static int iwl_pcie_txq_build_tfd(struct iwl_trans *trans, struct iwl_txq *txq,
 				  dma_addr_t addr, u16 len, bool reset)
 {
@@ -312,7 +271,7 @@ static void iwl_pcie_txq_unmap(struct iwl_trans *trans, int txq_id)
 
 			iwl_txq_free_tso_page(trans, skb);
 		}
-		iwl_pcie_txq_free_tfd(trans, txq);
+		iwl_txq_free_tfd(trans, txq);
 		txq->read_ptr = iwl_txq_inc_wrap(trans, txq->read_ptr);
 
 		if (txq->read_ptr == txq->write_ptr) {
@@ -721,160 +680,6 @@ error:
 	return ret;
 }
 
-static inline void iwl_pcie_txq_progress(struct iwl_txq *txq)
-{
-	lockdep_assert_held(&txq->lock);
-
-	if (!txq->wd_timeout)
-		return;
-
-	/*
-	 * station is asleep and we send data - that must
-	 * be uAPSD or PS-Poll. Don't rearm the timer.
-	 */
-	if (txq->frozen)
-		return;
-
-	/*
-	 * if empty delete timer, otherwise move timer forward
-	 * since we're making progress on this queue
-	 */
-	if (txq->read_ptr == txq->write_ptr)
-		del_timer(&txq->stuck_timer);
-	else
-		mod_timer(&txq->stuck_timer, jiffies + txq->wd_timeout);
-}
-
-/* Frees buffers until index _not_ inclusive */
-void iwl_trans_pcie_reclaim(struct iwl_trans *trans, int txq_id, int ssn,
-			    struct sk_buff_head *skbs)
-{
-	struct iwl_txq *txq = trans->txqs.txq[txq_id];
-	int tfd_num = iwl_txq_get_cmd_index(txq, ssn);
-	int read_ptr = iwl_txq_get_cmd_index(txq, txq->read_ptr);
-	int last_to_free;
-
-	/* This function is not meant to release cmd queue*/
-	if (WARN_ON(txq_id == trans->txqs.cmd.q_id))
-		return;
-
-	spin_lock_bh(&txq->lock);
-
-	if (!test_bit(txq_id, trans->txqs.queue_used)) {
-		IWL_DEBUG_TX_QUEUES(trans, "Q %d inactive - ignoring idx %d\n",
-				    txq_id, ssn);
-		goto out;
-	}
-
-	if (read_ptr == tfd_num)
-		goto out;
-
-	IWL_DEBUG_TX_REPLY(trans, "[Q %d] %d -> %d (%d)\n",
-			   txq_id, txq->read_ptr, tfd_num, ssn);
-
-	/*Since we free until index _not_ inclusive, the one before index is
-	 * the last we will free. This one must be used */
-	last_to_free = iwl_txq_dec_wrap(trans, tfd_num);
-
-	if (!iwl_txq_used(txq, last_to_free)) {
-		IWL_ERR(trans,
-			"%s: Read index for txq id (%d), last_to_free %d is out of range [0-%d] %d %d.\n",
-			__func__, txq_id, last_to_free,
-			trans->trans_cfg->base_params->max_tfd_queue_size,
-			txq->write_ptr, txq->read_ptr);
-		goto out;
-	}
-
-	if (WARN_ON(!skb_queue_empty(skbs)))
-		goto out;
-
-	for (;
-	     read_ptr != tfd_num;
-	     txq->read_ptr = iwl_txq_inc_wrap(trans, txq->read_ptr),
-	     read_ptr = iwl_txq_get_cmd_index(txq, txq->read_ptr)) {
-		struct sk_buff *skb = txq->entries[read_ptr].skb;
-
-		if (WARN_ON_ONCE(!skb))
-			continue;
-
-		iwl_txq_free_tso_page(trans, skb);
-
-		__skb_queue_tail(skbs, skb);
-
-		txq->entries[read_ptr].skb = NULL;
-
-		if (!trans->trans_cfg->use_tfh)
-			iwl_txq_gen1_inval_byte_cnt_tbl(trans, txq);
-
-		iwl_pcie_txq_free_tfd(trans, txq);
-	}
-
-	iwl_pcie_txq_progress(txq);
-
-	if (iwl_txq_space(trans, txq) > txq->low_mark &&
-	    test_bit(txq_id, trans->txqs.queue_stopped)) {
-		struct sk_buff_head overflow_skbs;
-
-		__skb_queue_head_init(&overflow_skbs);
-		skb_queue_splice_init(&txq->overflow_q, &overflow_skbs);
-
-		/*
-		 * We are going to transmit from the overflow queue.
-		 * Remember this state so that wait_for_txq_empty will know we
-		 * are adding more packets to the TFD queue. It cannot rely on
-		 * the state of &txq->overflow_q, as we just emptied it, but
-		 * haven't TXed the content yet.
-		 */
-		txq->overflow_tx = true;
-
-		/*
-		 * This is tricky: we are in reclaim path which is non
-		 * re-entrant, so noone will try to take the access the
-		 * txq data from that path. We stopped tx, so we can't
-		 * have tx as well. Bottom line, we can unlock and re-lock
-		 * later.
-		 */
-		spin_unlock_bh(&txq->lock);
-
-		while (!skb_queue_empty(&overflow_skbs)) {
-			struct sk_buff *skb = __skb_dequeue(&overflow_skbs);
-			struct iwl_device_tx_cmd *dev_cmd_ptr;
-
-			dev_cmd_ptr = *(void **)((u8 *)skb->cb +
-						 trans->txqs.dev_cmd_offs);
-
-			/*
-			 * Note that we can very well be overflowing again.
-			 * In that case, iwl_txq_space will be small again
-			 * and we won't wake mac80211's queue.
-			 */
-			iwl_trans_tx(trans, skb, dev_cmd_ptr, txq_id);
-		}
-
-		if (iwl_txq_space(trans, txq) > txq->low_mark)
-			iwl_wake_queue(trans, txq);
-
-		spin_lock_bh(&txq->lock);
-		txq->overflow_tx = false;
-	}
-
-out:
-	spin_unlock_bh(&txq->lock);
-}
-
-/* Set wr_ptr of specific device and txq  */
-void iwl_trans_pcie_set_q_ptrs(struct iwl_trans *trans, int txq_id, int ptr)
-{
-	struct iwl_txq *txq = trans->txqs.txq[txq_id];
-
-	spin_lock_bh(&txq->lock);
-
-	txq->write_ptr = ptr;
-	txq->read_ptr = txq->write_ptr;
-
-	spin_unlock_bh(&txq->lock);
-}
-
 static int iwl_pcie_set_cmd_in_flight(struct iwl_trans *trans,
 				      const struct iwl_host_cmd *cmd)
 {
@@ -962,7 +767,7 @@ static void iwl_pcie_cmdq_reclaim(struct iwl_trans *trans, int txq_id, int idx)
 		spin_unlock_irqrestore(&trans_pcie->reg_lock, flags);
 	}
 
-	iwl_pcie_txq_progress(txq);
+	iwl_txq_progress(txq);
 }
 
 static int iwl_pcie_txq_set_ratid_map(struct iwl_trans *trans, u16 ra_tid,