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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-trans.h')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-trans.h67
1 files changed, 54 insertions, 13 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h
index 656371a668da..c89985a58803 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.h
@@ -6,6 +6,7 @@
* GPL LICENSE SUMMARY
*
* Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
* BSD LICENSE
*
* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -401,6 +403,14 @@ struct iwl_trans_dump_data {
struct iwl_trans;
+struct iwl_trans_txq_scd_cfg {
+ u8 fifo;
+ s8 sta_id;
+ u8 tid;
+ bool aggregate;
+ int frame_limit;
+};
+
/**
* struct iwl_trans_ops - transport specific operations
*
@@ -437,7 +447,9 @@ struct iwl_trans;
* Must be atomic
* @txq_enable: setup a queue. To setup an AC queue, use the
* iwl_trans_ac_txq_enable wrapper. fw_alive must have been called before
- * this one. The op_mode must not configure the HCMD queue. May sleep.
+ * this one. The op_mode must not configure the HCMD queue. The scheduler
+ * configuration may be %NULL, in which case the hardware will not be
+ * configured. May sleep.
* @txq_disable: de-configure a Tx queue to send AMPDUs
* Must be atomic
* @wait_tx_queue_empty: wait until tx queues are empty. May sleep.
@@ -492,9 +504,10 @@ struct iwl_trans_ops {
void (*reclaim)(struct iwl_trans *trans, int queue, int ssn,
struct sk_buff_head *skbs);
- void (*txq_enable)(struct iwl_trans *trans, int queue, int fifo,
- int sta_id, int tid, int frame_limit, u16 ssn);
- void (*txq_disable)(struct iwl_trans *trans, int queue);
+ void (*txq_enable)(struct iwl_trans *trans, int queue, u16 ssn,
+ const struct iwl_trans_txq_scd_cfg *cfg);
+ void (*txq_disable)(struct iwl_trans *trans, int queue,
+ bool configure_scd);
int (*dbgfs_register)(struct iwl_trans *trans, struct dentry* dir);
int (*wait_tx_queue_empty)(struct iwl_trans *trans, u32 txq_bm);
@@ -766,29 +779,57 @@ static inline void iwl_trans_reclaim(struct iwl_trans *trans, int queue,
trans->ops->reclaim(trans, queue, ssn, skbs);
}
-static inline void iwl_trans_txq_disable(struct iwl_trans *trans, int queue)
+static inline void iwl_trans_txq_disable(struct iwl_trans *trans, int queue,
+ bool configure_scd)
{
- trans->ops->txq_disable(trans, queue);
+ trans->ops->txq_disable(trans, queue, configure_scd);
}
-static inline void iwl_trans_txq_enable(struct iwl_trans *trans, int queue,
- int fifo, int sta_id, int tid,
- int frame_limit, u16 ssn)
+static inline void
+iwl_trans_txq_enable_cfg(struct iwl_trans *trans, int queue, u16 ssn,
+ const struct iwl_trans_txq_scd_cfg *cfg)
{
might_sleep();
if (unlikely((trans->state != IWL_TRANS_FW_ALIVE)))
IWL_ERR(trans, "%s bad state = %d\n", __func__, trans->state);
- trans->ops->txq_enable(trans, queue, fifo, sta_id, tid,
- frame_limit, ssn);
+ trans->ops->txq_enable(trans, queue, ssn, cfg);
+}
+
+static inline void iwl_trans_txq_enable(struct iwl_trans *trans, int queue,
+ int fifo, int sta_id, int tid,
+ int frame_limit, u16 ssn)
+{
+ struct iwl_trans_txq_scd_cfg cfg = {
+ .fifo = fifo,
+ .sta_id = sta_id,
+ .tid = tid,
+ .frame_limit = frame_limit,
+ .aggregate = sta_id >= 0,
+ };
+
+ iwl_trans_txq_enable_cfg(trans, queue, ssn, &cfg);
}
static inline void iwl_trans_ac_txq_enable(struct iwl_trans *trans, int queue,
int fifo)
{
- iwl_trans_txq_enable(trans, queue, fifo, -1,
- IWL_MAX_TID_COUNT, IWL_FRAME_LIMIT, 0);
+ struct iwl_trans_txq_scd_cfg cfg = {
+ .fifo = fifo,
+ .sta_id = -1,
+ .tid = IWL_MAX_TID_COUNT,
+ .frame_limit = IWL_FRAME_LIMIT,
+ .aggregate = false,
+ };
+
+ iwl_trans_txq_enable_cfg(trans, queue, 0, &cfg);
+}
+
+static inline void
+iwl_trans_txq_enable_no_scd(struct iwl_trans *trans, int queue, u16 ssn)
+{
+ iwl_trans_txq_enable_cfg(trans, queue, ssn, NULL);
}
static inline int iwl_trans_wait_tx_queue_empty(struct iwl_trans *trans,