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iwlagn: remove dereferences of priv from transport

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There are still quite a few, but much less.
A few fields have been moved /copied to hw_params which sits in the
shared area:
 * priv->cfg->base_params->num_of_ampdu_queues
 * priv->cfg->base_params->shadow_reg_enable
 * priv->cfg->sku
 * priv->ucode_owner

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Emmanuel Grumbach 2011-08-25 23:11:19 -07:00 committed by John W. Linville
parent 5f85a7890c
commit fd656935cd
10 changed files with 64 additions and 58 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/net/wireless/iwlwifi/iwl-agn-tx.c
View file

@ -102,12 +102,12 @@ static int iwlagn_txq_agg_enable(struct iwl_priv *priv, int txq_id, int sta_id,
{
if ((IWLAGN_FIRST_AMPDU_QUEUE > txq_id) ||
(IWLAGN_FIRST_AMPDU_QUEUE +
priv->cfg->base_params->num_of_ampdu_queues <= txq_id)) {
hw_params(priv).num_ampdu_queues <= txq_id)) {
IWL_WARN(priv,
"queue number out of range: %d, must be %d to %d\n",
txq_id, IWLAGN_FIRST_AMPDU_QUEUE,
IWLAGN_FIRST_AMPDU_QUEUE +
priv->cfg->base_params->num_of_ampdu_queues - 1);
hw_params(priv).num_ampdu_queues - 1);
return -EINVAL;
}

7
drivers/net/wireless/iwlwifi/iwl-agn.c
View file

@ -3207,6 +3207,13 @@ static int iwl_set_hw_params(struct iwl_priv *priv)
if (iwlagn_mod_params.disable_11n)
priv->cfg->sku &= ~EEPROM_SKU_CAP_11N_ENABLE;
hw_params(priv).num_ampdu_queues =
priv->cfg->base_params->num_of_ampdu_queues;
hw_params(priv).shadow_reg_enable =
priv->cfg->base_params->shadow_reg_enable;
hw_params(priv).sku =
priv->cfg->sku;
/* Device-specific setup */
return priv->cfg->lib->set_hw_params(priv);
}

7
drivers/net/wireless/iwlwifi/iwl-dev.h
View file

@ -1056,10 +1056,6 @@ struct iwl_testmode_trace {
};
#endif
/* uCode ownership */
#define IWL_OWNERSHIP_DRIVER 0
#define IWL_OWNERSHIP_TM 1
struct iwl_priv {
/*data shared among all the driver's layers */
@ -1147,9 +1143,6 @@ struct iwl_priv {
u32 ucode_ver; /* version of ucode, copy of
iwl_ucode.ver */
/* uCode owner: default: IWL_OWNERSHIP_DRIVER */
u8 ucode_owner;
struct fw_img ucode_rt;
struct fw_img ucode_init;
struct fw_img ucode_wowlan;

4
drivers/net/wireless/iwlwifi/iwl-power.c
View file

@ -215,7 +215,7 @@ static void iwl_static_sleep_cmd(struct iwl_priv *priv,
else
cmd->flags &= ~IWL_POWER_SLEEP_OVER_DTIM_MSK;
if (priv->cfg->base_params->shadow_reg_enable)
if (hw_params(priv).shadow_reg_enable)
cmd->flags |= IWL_POWER_SHADOW_REG_ENA;
else
cmd->flags &= ~IWL_POWER_SHADOW_REG_ENA;
@ -301,7 +301,7 @@ static void iwl_power_fill_sleep_cmd(struct iwl_priv *priv,
if (priv->power_data.bus_pm)
cmd->flags |= IWL_POWER_PCI_PM_MSK;
if (priv->cfg->base_params->shadow_reg_enable)
if (hw_params(priv).shadow_reg_enable)
cmd->flags |= IWL_POWER_SHADOW_REG_ENA;
else
cmd->flags &= ~IWL_POWER_SHADOW_REG_ENA;

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

@ -133,36 +133,41 @@ struct iwl_mod_params {
/**
* struct iwl_hw_params
* @max_txq_num: Max # Tx queues supported
* @num_ampdu_queues: num of ampdu queues
* @tx/rx_chains_num: Number of TX/RX chains
* @valid_tx/rx_ant: usable antennas
* @rx_page_order: Rx buffer page order
* @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
* @max_stations:
* @ht40_channel: is 40MHz width possible in band 2.4
* @beacon_time_tsf_bits: number of valid tsf bits for beacon time
* @sku:
* @rx_page_order: Rx buffer page order
* @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
* BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
* @sw_crypto: 0 for hw, 1 for sw
* @max_xxx_size: for ucode uses
* @ct_kill_threshold: temperature threshold
* @beacon_time_tsf_bits: number of valid tsf bits for beacon time
* @calib_init_cfg: setup initial calibrations for the hw
* @calib_rt_cfg: setup runtime calibrations for the hw
* @struct iwl_sensitivity_ranges: range of sensitivity values
*/
struct iwl_hw_params {
u8 max_txq_num;
u8 max_txq_num;
u8 num_ampdu_queues;
u8 tx_chains_num;
u8 rx_chains_num;
u8 valid_tx_ant;
u8 valid_rx_ant;
u32 rx_page_order;
u8 max_stations;
u8 ht40_channel;
bool shadow_reg_enable;
u16 beacon_time_tsf_bits;
u16 sku;
u32 rx_page_order;
u32 max_inst_size;
u32 max_data_size;
u32 ct_kill_threshold; /* value in hw-dependent units */
u32 ct_kill_exit_threshold; /* value in hw-dependent units */
/* for 1000, 6000 series and up */
u16 beacon_time_tsf_bits;
u32 calib_init_cfg;
u32 calib_rt_cfg;
const struct iwl_sensitivity_ranges *sens;
@ -201,6 +206,7 @@ struct iwl_tid_data {
*
* @dbg_level_dev: dbg level set per device. Prevails on
* iwlagn_mod_params.debug_level if set (!= 0)
* @ucode_owner: IWL_OWNERSHIP_*
* @cmd_queue: command queue number
* @status: STATUS_*
* @bus: pointer to the bus layer data
@ -217,6 +223,9 @@ struct iwl_shared {
u32 dbg_level_dev;
#endif /* CONFIG_IWLWIFI_DEBUG */
#define IWL_OWNERSHIP_DRIVER 0
#define IWL_OWNERSHIP_TM 1
u8 ucode_owner;
u8 cmd_queue;
unsigned long status;
bool wowlan;

2
drivers/net/wireless/iwlwifi/iwl-sv-open.c
View file

@ -612,7 +612,7 @@ static int iwl_testmode_ownership(struct ieee80211_hw *hw, struct nlattr **tb)
owner = nla_get_u8(tb[IWL_TM_ATTR_UCODE_OWNER]);
if ((owner == IWL_OWNERSHIP_DRIVER) || (owner == IWL_OWNERSHIP_TM))
priv->ucode_owner = owner;
priv->shrd->ucode_owner = owner;
else {
IWL_DEBUG_INFO(priv, "Invalid owner\n");
return -EINVAL;

3
drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h
View file

@ -162,7 +162,8 @@ irqreturn_t iwl_isr_ict(int irq, void *data);
/*****************************************************
* TX / HCMD
******************************************************/
void iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq);
void iwl_txq_update_write_ptr(struct iwl_trans *trans,
struct iwl_tx_queue *txq);
int iwlagn_txq_attach_buf_to_tfd(struct iwl_trans *trans,
struct iwl_tx_queue *txq,
dma_addr_t addr, u16 len, u8 reset);

15
drivers/net/wireless/iwlwifi/iwl-trans-rx-pcie.c
View file

@ -130,7 +130,6 @@ static int iwl_rx_queue_space(const struct iwl_rx_queue *q)
void iwl_rx_queue_update_write_ptr(struct iwl_trans *trans,
struct iwl_rx_queue *q)
{
struct iwl_priv *priv = priv(trans);
unsigned long flags;
u32 reg;
@ -139,34 +138,34 @@ void iwl_rx_queue_update_write_ptr(struct iwl_trans *trans,
if (q->need_update == 0)
goto exit_unlock;
if (priv->cfg->base_params->shadow_reg_enable) {
if (hw_params(trans).shadow_reg_enable) {
/* shadow register enabled */
/* Device expects a multiple of 8 */
q->write_actual = (q->write & ~0x7);
iwl_write32(bus(priv), FH_RSCSR_CHNL0_WPTR, q->write_actual);
iwl_write32(bus(trans), FH_RSCSR_CHNL0_WPTR, q->write_actual);
} else {
/* If power-saving is in use, make sure device is awake */
if (test_bit(STATUS_POWER_PMI, &trans->shrd->status)) {
reg = iwl_read32(bus(priv), CSR_UCODE_DRV_GP1);
reg = iwl_read32(bus(trans), CSR_UCODE_DRV_GP1);
if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) {
IWL_DEBUG_INFO(trans,
"Rx queue requesting wakeup,"
" GP1 = 0x%x\n", reg);
iwl_set_bit(bus(priv), CSR_GP_CNTRL,
iwl_set_bit(bus(trans), CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
goto exit_unlock;
}
q->write_actual = (q->write & ~0x7);
iwl_write_direct32(bus(priv), FH_RSCSR_CHNL0_WPTR,
iwl_write_direct32(bus(trans), FH_RSCSR_CHNL0_WPTR,
q->write_actual);
/* Else device is assumed to be awake */
} else {
/* Device expects a multiple of 8 */
q->write_actual = (q->write & ~0x7);
iwl_write_direct32(bus(priv), FH_RSCSR_CHNL0_WPTR,
iwl_write_direct32(bus(trans), FH_RSCSR_CHNL0_WPTR,
q->write_actual);
}
}
@ -1032,7 +1031,7 @@ void iwl_irq_tasklet(struct iwl_trans *trans)
IWL_DEBUG_ISR(trans, "Wakeup interrupt\n");
iwl_rx_queue_update_write_ptr(trans, &trans_pcie->rxq);
for (i = 0; i < hw_params(trans).max_txq_num; i++)
iwl_txq_update_write_ptr(priv(trans),
iwl_txq_update_write_ptr(trans,
&priv(trans)->txq[i]);
isr_stats->wakeup++;

35
drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c
View file

@ -86,7 +86,7 @@ void iwl_trans_txq_update_byte_cnt_tbl(struct iwl_trans *trans,
/**
* iwl_txq_update_write_ptr - Send new write index to hardware
*/
void iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq)
void iwl_txq_update_write_ptr(struct iwl_trans *trans, struct iwl_tx_queue *txq)
{
u32 reg = 0;
int txq_id = txq->q.id;
@ -94,28 +94,28 @@ void iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq)
if (txq->need_update == 0)
return;
if (priv->cfg->base_params->shadow_reg_enable) {
if (hw_params(trans).shadow_reg_enable) {
/* shadow register enabled */
iwl_write32(bus(priv), HBUS_TARG_WRPTR,
iwl_write32(bus(trans), HBUS_TARG_WRPTR,
txq->q.write_ptr | (txq_id << 8));
} else {
/* if we're trying to save power */
if (test_bit(STATUS_POWER_PMI, &priv->shrd->status)) {
if (test_bit(STATUS_POWER_PMI, &trans->shrd->status)) {
/* wake up nic if it's powered down ...
* uCode will wake up, and interrupt us again, so next
* time we'll skip this part. */
reg = iwl_read32(bus(priv), CSR_UCODE_DRV_GP1);
reg = iwl_read32(bus(trans), CSR_UCODE_DRV_GP1);
if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) {
IWL_DEBUG_INFO(priv,
IWL_DEBUG_INFO(trans,
"Tx queue %d requesting wakeup,"
" GP1 = 0x%x\n", txq_id, reg);
iwl_set_bit(bus(priv), CSR_GP_CNTRL,
iwl_set_bit(bus(trans), CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
return;
}
iwl_write_direct32(bus(priv), HBUS_TARG_WRPTR,
iwl_write_direct32(bus(trans), HBUS_TARG_WRPTR,
txq->q.write_ptr | (txq_id << 8));
/*
@ -124,7 +124,7 @@ void iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq)
* trying to tx (during RFKILL, we're not trying to tx).
*/
} else
iwl_write32(bus(priv), HBUS_TARG_WRPTR,
iwl_write32(bus(trans), HBUS_TARG_WRPTR,
txq->q.write_ptr | (txq_id << 8));
}
txq->need_update = 0;
@ -498,12 +498,12 @@ int iwl_trans_pcie_txq_agg_disable(struct iwl_priv *priv, u16 txq_id,
struct iwl_trans *trans = trans(priv);
if ((IWLAGN_FIRST_AMPDU_QUEUE > txq_id) ||
(IWLAGN_FIRST_AMPDU_QUEUE +
priv->cfg->base_params->num_of_ampdu_queues <= txq_id)) {
hw_params(priv).num_ampdu_queues <= txq_id)) {
IWL_ERR(priv,
"queue number out of range: %d, must be %d to %d\n",
txq_id, IWLAGN_FIRST_AMPDU_QUEUE,
IWLAGN_FIRST_AMPDU_QUEUE +
priv->cfg->base_params->num_of_ampdu_queues - 1);
hw_params(priv).num_ampdu_queues - 1);
return -EINVAL;
}
@ -536,8 +536,7 @@ int iwl_trans_pcie_txq_agg_disable(struct iwl_priv *priv, u16 txq_id,
*/
static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
{
struct iwl_priv *priv = priv(trans);
struct iwl_tx_queue *txq = &priv->txq[priv->shrd->cmd_queue];
struct iwl_tx_queue *txq = &priv(trans)->txq[trans->shrd->cmd_queue];
struct iwl_queue *q = &txq->q;
struct iwl_device_cmd *out_cmd;
struct iwl_cmd_meta *out_meta;
@ -560,7 +559,7 @@ static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
return -EIO;
}
if ((priv->ucode_owner == IWL_OWNERSHIP_TM) &&
if ((trans->shrd->ucode_owner == IWL_OWNERSHIP_TM) &&
!(cmd->flags & CMD_ON_DEMAND)) {
IWL_DEBUG_HC(trans, "tm own the uCode, no regular hcmd send\n");
return -EIO;
@ -607,10 +606,10 @@ static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
spin_unlock_irqrestore(&trans->hcmd_lock, flags);
IWL_ERR(trans, "No space in command queue\n");
is_ct_kill = iwl_check_for_ct_kill(priv);
is_ct_kill = iwl_check_for_ct_kill(priv(trans));
if (!is_ct_kill) {
IWL_ERR(trans, "Restarting adapter queue is full\n");
iwlagn_fw_error(priv, false);
iwlagn_fw_error(priv(trans), false);
}
return -ENOSPC;
}
@ -702,7 +701,7 @@ static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
/* check that tracing gets all possible blocks */
BUILD_BUG_ON(IWL_MAX_CMD_TFDS + 1 != 3);
#ifdef CONFIG_IWLWIFI_DEVICE_TRACING
trace_iwlwifi_dev_hcmd(priv, cmd->flags,
trace_iwlwifi_dev_hcmd(priv(trans), cmd->flags,
trace_bufs[0], trace_lens[0],
trace_bufs[1], trace_lens[1],
trace_bufs[2], trace_lens[2]);
@ -710,7 +709,7 @@ static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
/* Increment and update queue's write index */
q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd);
iwl_txq_update_write_ptr(priv, txq);
iwl_txq_update_write_ptr(trans, txq);
out:
spin_unlock_irqrestore(&trans->hcmd_lock, flags);

24
drivers/net/wireless/iwlwifi/iwl-trans.c
View file

@ -138,13 +138,12 @@ static void iwl_trans_rxq_free_rx_bufs(struct iwl_trans *trans)
}
}
static void iwl_trans_rx_hw_init(struct iwl_priv *priv,
static void iwl_trans_rx_hw_init(struct iwl_trans *trans,
struct iwl_rx_queue *rxq)
{
u32 rb_size;
const u32 rfdnlog = RX_QUEUE_SIZE_LOG; /* 256 RBDs */
u32 rb_timeout = 0; /* FIXME: RX_RB_TIMEOUT for all devices? */
struct iwl_trans *trans = trans(priv);
rb_timeout = RX_RB_TIMEOUT;
@ -221,7 +220,7 @@ static int iwl_rx_init(struct iwl_trans *trans)
iwlagn_rx_replenish(trans);
iwl_trans_rx_hw_init(priv(trans), rxq);
iwl_trans_rx_hw_init(trans, rxq);
spin_lock_irqsave(&trans->shrd->lock, flags);
rxq->need_update = 1;
@ -509,7 +508,7 @@ static int iwl_trans_tx_alloc(struct iwl_trans *trans)
struct iwl_trans_pcie *trans_pcie =
IWL_TRANS_GET_PCIE_TRANS(trans);
u16 scd_bc_tbls_size = priv->cfg->base_params->num_of_queues *
u16 scd_bc_tbls_size = hw_params(trans).max_txq_num *
sizeof(struct iwlagn_scd_bc_tbl);
/*It is not allowed to alloc twice, so warn when this happens.
@ -534,7 +533,7 @@ static int iwl_trans_tx_alloc(struct iwl_trans *trans)
}
priv->txq = kzalloc(sizeof(struct iwl_tx_queue) *
priv->cfg->base_params->num_of_queues, GFP_KERNEL);
hw_params(trans).max_txq_num, GFP_KERNEL);
if (!priv->txq) {
IWL_ERR(trans, "Not enough memory for txq\n");
ret = ENOMEM;
@ -652,7 +651,7 @@ static int iwl_nic_init(struct iwl_trans *trans)
if (iwl_tx_init(trans))
return -ENOMEM;
if (priv->cfg->base_params->shadow_reg_enable) {
if (hw_params(trans).shadow_reg_enable) {
/* enable shadow regs in HW */
iwl_set_bit(bus(trans), CSR_MAC_SHADOW_REG_CTRL,
0x800FFFFF);
@ -717,9 +716,9 @@ static int iwl_trans_pcie_start_device(struct iwl_trans *trans)
int ret;
struct iwl_priv *priv = priv(trans);
priv->ucode_owner = IWL_OWNERSHIP_DRIVER;
priv->shrd->ucode_owner = IWL_OWNERSHIP_DRIVER;
if ((priv->cfg->sku & EEPROM_SKU_CAP_AMT_ENABLE) &&
if ((hw_params(priv).sku & EEPROM_SKU_CAP_AMT_ENABLE) &&
iwl_trans_pcie_prepare_card_hw(trans)) {
IWL_WARN(trans, "Exit HW not ready\n");
return -EIO;
@ -1131,7 +1130,7 @@ static int iwl_trans_pcie_tx(struct iwl_priv *priv, struct sk_buff *skb,
/* Tell device the write index *just past* this latest filled TFD */
q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd);
iwl_txq_update_write_ptr(priv, txq);
iwl_txq_update_write_ptr(trans(priv), txq);
/*
* At this point the frame is "transmitted" successfully
@ -1142,7 +1141,7 @@ static int iwl_trans_pcie_tx(struct iwl_priv *priv, struct sk_buff *skb,
if (iwl_queue_space(q) < q->high_mark) {
if (wait_write_ptr) {
txq->need_update = 1;
iwl_txq_update_write_ptr(priv, txq);
iwl_txq_update_write_ptr(trans(priv), txq);
} else {
iwl_stop_queue(priv, txq);
}
@ -1366,7 +1365,7 @@ static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
struct iwl_rx_queue *rxq = &trans_pcie->rxq;
char *buf;
int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
(priv->cfg->base_params->num_of_queues * 32 * 8) + 400;
(hw_params(trans).max_txq_num * 32 * 8) + 400;
const u8 *ptr;
ssize_t ret;
@ -1468,8 +1467,7 @@ static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
int pos = 0;
int cnt;
int ret;
const size_t bufsz = sizeof(char) * 64 *
priv->cfg->base_params->num_of_queues;
const size_t bufsz = sizeof(char) * 64 * hw_params(trans).max_txq_num;
if (!priv->txq) {
IWL_ERR(priv, "txq not ready\n");