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authorJohannes Berg <johannes.berg@intel.com>2014-08-01 13:58:47 +0400
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>2014-09-03 23:49:01 +0400
commitfea7795f1c976513a3262284c4001606075abf5c (patch)
treec3dfa1340ab3a8800a254c36c3371f4dcc755b01
parent680073b78a5ac2b559bb7315528aa9f95e57ae24 (diff)
downloadlinux-fea7795f1c976513a3262284c4001606075abf5c.tar.xz
iwlwifi: trans: refactor txq_enable arguments
Instead of having all arguments passed to the function, add a struct to hold them and only pass some directly. This will make future work in this area cleaner. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-trans.h21
-rw-r--r--drivers/net/wireless/iwlwifi/pcie/internal.h4
-rw-r--r--drivers/net/wireless/iwlwifi/pcie/tx.c13
3 files changed, 26 insertions, 12 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h
index 656371a668da..c198dde339c6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.h
@@ -401,6 +401,13 @@ struct iwl_trans_dump_data {
struct iwl_trans;
+struct iwl_trans_txq_scd_cfg {
+ u8 fifo;
+ s8 sta_id;
+ u8 tid;
+ int frame_limit;
+};
+
/**
* struct iwl_trans_ops - transport specific operations
*
@@ -492,8 +499,8 @@ 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_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);
int (*dbgfs_register)(struct iwl_trans *trans, struct dentry* dir);
@@ -775,13 +782,19 @@ 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,
+ };
+
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_ac_txq_enable(struct iwl_trans *trans, int queue,
diff --git a/drivers/net/wireless/iwlwifi/pcie/internal.h b/drivers/net/wireless/iwlwifi/pcie/internal.h
index 78f72c34438a..5760405a9cad 100644
--- a/drivers/net/wireless/iwlwifi/pcie/internal.h
+++ b/drivers/net/wireless/iwlwifi/pcie/internal.h
@@ -364,8 +364,8 @@ int iwl_pcie_tx_init(struct iwl_trans *trans);
void iwl_pcie_tx_start(struct iwl_trans *trans, u32 scd_base_addr);
int iwl_pcie_tx_stop(struct iwl_trans *trans);
void iwl_pcie_tx_free(struct iwl_trans *trans);
-void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, int fifo,
- int sta_id, int tid, int frame_limit, u16 ssn);
+void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int queue, u16 ssn,
+ const struct iwl_trans_txq_scd_cfg *cfg);
void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int queue);
int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
struct iwl_device_cmd *dev_cmd, int txq_id);
diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c
index 84c3a0115c4d..5c95386c72bf 100644
--- a/drivers/net/wireless/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/tx.c
@@ -1066,10 +1066,11 @@ static int iwl_pcie_txq_set_ratid_map(struct iwl_trans *trans, u16 ra_tid,
* combined with Traffic ID (QOS priority), in format used by Tx Scheduler */
#define BUILD_RAxTID(sta_id, tid) (((sta_id) << 4) + (tid))
-void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, int fifo,
- int sta_id, int tid, int frame_limit, u16 ssn)
+void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, u16 ssn,
+ const struct iwl_trans_txq_scd_cfg *cfg)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
+ u8 frame_limit = cfg->frame_limit;
if (test_and_set_bit(txq_id, trans_pcie->queue_used))
WARN_ONCE(1, "queue %d already used - expect issues", txq_id);
@@ -1082,8 +1083,8 @@ void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, int fifo,
iwl_scd_txq_set_chain(trans, txq_id);
/* If this queue is mapped to a certain station: it is an AGG queue */
- if (sta_id >= 0) {
- u16 ra_tid = BUILD_RAxTID(sta_id, tid);
+ if (cfg->sta_id >= 0) {
+ u16 ra_tid = BUILD_RAxTID(cfg->sta_id, cfg->tid);
/* Map receiver-address / traffic-ID to this queue */
iwl_pcie_txq_set_ratid_map(trans, ra_tid, txq_id);
@@ -1124,12 +1125,12 @@ void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, int fifo,
/* Set up Status area in SRAM, map to Tx DMA/FIFO, activate the queue */
iwl_write_prph(trans, SCD_QUEUE_STATUS_BITS(txq_id),
(1 << SCD_QUEUE_STTS_REG_POS_ACTIVE) |
- (fifo << SCD_QUEUE_STTS_REG_POS_TXF) |
+ (cfg->fifo << SCD_QUEUE_STTS_REG_POS_TXF) |
(1 << SCD_QUEUE_STTS_REG_POS_WSL) |
SCD_QUEUE_STTS_REG_MSK);
trans_pcie->txq[txq_id].active = true;
IWL_DEBUG_TX_QUEUES(trans, "Activate queue %d on FIFO %d WrPtr: %d\n",
- txq_id, fifo, ssn & 0xff);
+ txq_id, cfg->fifo, ssn & 0xff);
}
void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int txq_id)