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iwlwifi: trans: refactor txq_enable arguments

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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>
This commit is contained in:
Johannes Berg 2014-08-01 11:58:47 +02:00 • committed by Emmanuel Grumbach
parent 680073b78a
commit fea7795f1c
3 changed files with 26 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

21
drivers/net/wireless/iwlwifi/iwl-trans.h
View file

@ -401,6 +401,13 @@ struct iwl_trans_dump_data {
struct iwl_trans; 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 * 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, void (*reclaim)(struct iwl_trans *trans, int queue, int ssn,
struct sk_buff_head *skbs); struct sk_buff_head *skbs);
void (*txq_enable)(struct iwl_trans *trans, int queue, int fifo, void (*txq_enable)(struct iwl_trans *trans, int queue, u16 ssn,
int sta_id, int tid, int frame_limit, u16 ssn); const struct iwl_trans_txq_scd_cfg *cfg);
void (*txq_disable)(struct iwl_trans *trans, int queue); void (*txq_disable)(struct iwl_trans *trans, int queue);
int (*dbgfs_register)(struct iwl_trans *trans, struct dentry* dir); 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 fifo, int sta_id, int tid,
int frame_limit, u16 ssn) 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(); might_sleep();
if (unlikely((trans->state != IWL_TRANS_FW_ALIVE))) if (unlikely((trans->state != IWL_TRANS_FW_ALIVE)))
IWL_ERR(trans, "%s bad state = %d\n", __func__, trans->state); IWL_ERR(trans, "%s bad state = %d\n", __func__, trans->state);
trans->ops->txq_enable(trans, queue, fifo, sta_id, tid, trans->ops->txq_enable(trans, queue, ssn, &cfg);
frame_limit, ssn);
} }
static inline void iwl_trans_ac_txq_enable(struct iwl_trans *trans, int queue, static inline void iwl_trans_ac_txq_enable(struct iwl_trans *trans, int queue,

4
drivers/net/wireless/iwlwifi/pcie/internal.h
View file

@ -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); void iwl_pcie_tx_start(struct iwl_trans *trans, u32 scd_base_addr);
int iwl_pcie_tx_stop(struct iwl_trans *trans); int iwl_pcie_tx_stop(struct iwl_trans *trans);
void iwl_pcie_tx_free(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, void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int queue, u16 ssn,
int sta_id, int tid, int frame_limit, u16 ssn); const struct iwl_trans_txq_scd_cfg *cfg);
void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int queue); 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, int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
struct iwl_device_cmd *dev_cmd, int txq_id); struct iwl_device_cmd *dev_cmd, int txq_id);

13
drivers/net/wireless/iwlwifi/pcie/tx.c
View file

@ -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 */ * combined with Traffic ID (QOS priority), in format used by Tx Scheduler */
#define BUILD_RAxTID(sta_id, tid) (((sta_id) << 4) + (tid)) #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, void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, u16 ssn,
int sta_id, int tid, int frame_limit, u16 ssn) const struct iwl_trans_txq_scd_cfg *cfg)
{ {
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); 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)) if (test_and_set_bit(txq_id, trans_pcie->queue_used))
WARN_ONCE(1, "queue %d already used - expect issues", txq_id); 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); iwl_scd_txq_set_chain(trans, txq_id);
/* If this queue is mapped to a certain station: it is an AGG queue */ /* If this queue is mapped to a certain station: it is an AGG queue */
if (sta_id >= 0) { if (cfg->sta_id >= 0) {
u16 ra_tid = BUILD_RAxTID(sta_id, tid); u16 ra_tid = BUILD_RAxTID(cfg->sta_id, cfg->tid);
/* Map receiver-address / traffic-ID to this queue */ /* Map receiver-address / traffic-ID to this queue */
iwl_pcie_txq_set_ratid_map(trans, ra_tid, txq_id); 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 */ /* Set up Status area in SRAM, map to Tx DMA/FIFO, activate the queue */
iwl_write_prph(trans, SCD_QUEUE_STATUS_BITS(txq_id), iwl_write_prph(trans, SCD_QUEUE_STATUS_BITS(txq_id),
(1 << SCD_QUEUE_STTS_REG_POS_ACTIVE) | (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) | (1 << SCD_QUEUE_STTS_REG_POS_WSL) |
SCD_QUEUE_STTS_REG_MSK); SCD_QUEUE_STTS_REG_MSK);
trans_pcie->txq[txq_id].active = true; trans_pcie->txq[txq_id].active = true;
IWL_DEBUG_TX_QUEUES(trans, "Activate queue %d on FIFO %d WrPtr: %d\n", 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) void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int txq_id)