/*
* Mapping of a Tx power level, at factory calibration temperature,
- * to a radio/DSP gain table index.
+ * to a radio/DSP gain table idx.
* One for each of 5 "sample" power levels in each band.
* v_det is measured at the factory, using the 3945's built-in power amplifier
* (PA) output voltage detector. This same detector is used during Tx of
* DO NOT ALTER THIS STRUCTURE!!!
*/
struct il3945_eeprom_txpower_sample {
- u8 gain_index; /* index into power (gain) setup table ... */
+ u8 gain_idx; /* idx into power (gain) setup table ... */
s8 power; /* ... for this pwr level for this chnl group */
u16 v_det; /* PA output voltage */
} __packed;
/*
- * Mappings of Tx power levels -> nominal radio/DSP gain table indexes.
+ * Mappings of Tx power levels -> nominal radio/DSP gain table idxes.
* One for each channel group (a.k.a. "band") (1 for BG, 4 for A).
* Tx power setup code interpolates between the 5 "sample" power levels
* to determine the nominal setup for a requested power level.
struct il3945_tpt_entry {
s8 min_rssi;
- u8 index;
+ u8 idx;
};
static struct il3945_tpt_entry il3945_tpt_table_a[] = {
#define RATE_DECREASE_TH 1920
#define RATE_RETRY_TH 15
-static u8 il3945_get_rate_index_by_rssi(s32 rssi, enum ieee80211_band band)
+static u8 il3945_get_rate_idx_by_rssi(s32 rssi, enum ieee80211_band band)
{
- u32 index = 0;
+ u32 idx = 0;
u32 table_size = 0;
struct il3945_tpt_entry *tpt_table = NULL;
break;
}
- while (index < table_size && rssi < tpt_table[index].min_rssi)
- index++;
+ while (idx < table_size && rssi < tpt_table[idx].min_rssi)
+ idx++;
- index = min(index, (table_size - 1));
+ idx = min(idx, (table_size - 1));
- return tpt_table[index].index;
+ return tpt_table[idx].idx;
}
static void il3945_clear_win(struct il3945_rate_scale_data *win)
if (time_after(jiffies, rs_sta->win[i].stamp +
RATE_WIN_FLUSH)) {
D_RATE("flushing %d samples of rate "
- "index %d\n",
+ "idx %d\n",
rs_sta->win[i].counter, i);
il3945_clear_win(&rs_sta->win[i]);
} else
*/
static void il3945_collect_tx_data(struct il3945_rs_sta *rs_sta,
struct il3945_rate_scale_data *win,
- int success, int retries, int index)
+ int success, int retries, int idx)
{
unsigned long flags;
s32 fail_count;
if (fail_count >= RATE_MIN_FAILURE_TH ||
win->success_counter >= RATE_MIN_SUCCESS_TH)
win->average_tpt = ((win->success_ratio *
- rs_sta->expected_tpt[index] + 64) / 128);
+ rs_sta->expected_tpt[idx] + 64) / 128);
else
win->average_tpt = IL_INVALID_VALUE;
struct sk_buff *skb)
{
s8 retries = 0, current_count;
- int scale_rate_index, first_index, last_index;
+ int scale_rate_idx, first_idx, last_idx;
unsigned long flags;
struct il_priv *il = (struct il_priv *)il_rate;
struct il3945_rs_sta *rs_sta = il_sta;
if (retries > RATE_RETRY_TH)
retries = RATE_RETRY_TH;
- first_index = sband->bitrates[info->status.rates[0].idx].hw_value;
- if (first_index < 0 || first_index >= RATE_COUNT_3945) {
- D_RATE("leave: Rate out of bounds: %d\n", first_index);
+ first_idx = sband->bitrates[info->status.rates[0].idx].hw_value;
+ if (first_idx < 0 || first_idx >= RATE_COUNT_3945) {
+ D_RATE("leave: Rate out of bounds: %d\n", first_idx);
return;
}
rs_sta->tx_packets++;
- scale_rate_index = first_index;
- last_index = first_index;
+ scale_rate_idx = first_idx;
+ last_idx = first_idx;
/*
* Update the win for each rate. We determine which rates
* of retries configured for each rate -- currently set to the
* il value 'retry_rate' vs. rate specific
*
- * On exit from this while loop last_index indicates the rate
+ * On exit from this while loop last_idx indicates the rate
* at which the frame was finally transmitted (or failed if no
* ACK)
*/
while (retries > 1) {
if ((retries - 1) < il->retry_rate) {
current_count = (retries - 1);
- last_index = scale_rate_index;
+ last_idx = scale_rate_idx;
} else {
current_count = il->retry_rate;
- last_index = il3945_rs_next_rate(il,
- scale_rate_index);
+ last_idx = il3945_rs_next_rate(il,
+ scale_rate_idx);
}
/* Update this rate accounting for as many retries
* as was used for it (per current_count) */
il3945_collect_tx_data(rs_sta,
- &rs_sta->win[scale_rate_index],
- 0, current_count, scale_rate_index);
+ &rs_sta->win[scale_rate_idx],
+ 0, current_count, scale_rate_idx);
D_RATE("Update rate %d for %d retries.\n",
- scale_rate_index, current_count);
+ scale_rate_idx, current_count);
retries -= current_count;
- scale_rate_index = last_index;
+ scale_rate_idx = last_idx;
}
- /* Update the last index win with success/failure based on ACK */
+ /* Update the last idx win with success/failure based on ACK */
D_RATE("Update rate %d with %s.\n",
- last_index,
+ last_idx,
(info->flags & IEEE80211_TX_STAT_ACK) ?
"success" : "failure");
il3945_collect_tx_data(rs_sta,
- &rs_sta->win[last_index],
- info->flags & IEEE80211_TX_STAT_ACK, 1, last_index);
+ &rs_sta->win[last_idx],
+ info->flags & IEEE80211_TX_STAT_ACK, 1, last_idx);
/* We updated the rate scale win -- if its been more than
* flush_time since the last run, schedule the flush
}
static u16 il3945_get_adjacent_rate(struct il3945_rs_sta *rs_sta,
- u8 index, u16 rate_mask, enum ieee80211_band band)
+ u8 idx, u16 rate_mask, enum ieee80211_band band)
{
u8 high = RATE_INVALID;
u8 low = RATE_INVALID;
u32 mask;
/* Find the previous rate that is in the rate mask */
- i = index - 1;
+ i = idx - 1;
for (mask = (1 << i); i >= 0; i--, mask >>= 1) {
if (rate_mask & mask) {
low = i;
}
/* Find the next rate that is in the rate mask */
- i = index + 1;
+ i = idx + 1;
for (mask = (1 << i); i < RATE_COUNT_3945;
i++, mask <<= 1) {
if (rate_mask & mask) {
return (high << 8) | low;
}
- low = index;
+ low = idx;
while (low != RATE_INVALID) {
if (rs_sta->tgg)
low = il3945_rates[low].prev_rs_tgg;
D_RATE("Skipping masked lower rate: %d\n", low);
}
- high = index;
+ high = idx;
while (high != RATE_INVALID) {
if (rs_sta->tgg)
high = il3945_rates[high].next_rs_tgg;
* the entire A/B/G spectrum vs. being limited to just one particular
* hw_mode.
*
- * As such, we can't convert the index obtained below into the hw_mode's
+ * As such, we can't convert the idx obtained below into the hw_mode's
* rate table and must reference the driver allocated rate table
*
*/
u8 low = RATE_INVALID;
u8 high = RATE_INVALID;
u16 high_low;
- int index;
+ int idx;
struct il3945_rs_sta *rs_sta = il_sta;
struct il3945_rate_scale_data *win = NULL;
int current_tpt = IL_INVALID_VALUE;
if (max_rate_idx < 0 || max_rate_idx >= RATE_COUNT)
max_rate_idx = -1;
- index = min(rs_sta->last_txrate_idx & 0xffff, RATE_COUNT_3945 - 1);
+ idx = min(rs_sta->last_txrate_idx & 0xffff, RATE_COUNT_3945 - 1);
if (sband->band == IEEE80211_BAND_5GHZ)
rate_mask = rate_mask << IL_FIRST_OFDM_RATE;
* to rssi value
*/
if (rs_sta->start_rate != RATE_INVALID) {
- if (rs_sta->start_rate < index &&
+ if (rs_sta->start_rate < idx &&
(rate_mask & (1 << rs_sta->start_rate)))
- index = rs_sta->start_rate;
+ idx = rs_sta->start_rate;
rs_sta->start_rate = RATE_INVALID;
}
/* force user max rate if set by user */
- if (max_rate_idx != -1 && max_rate_idx < index) {
+ if (max_rate_idx != -1 && max_rate_idx < idx) {
if (rate_mask & (1 << max_rate_idx))
- index = max_rate_idx;
+ idx = max_rate_idx;
}
- win = &(rs_sta->win[index]);
+ win = &(rs_sta->win[idx]);
fail_count = win->counter - win->success_counter;
D_RATE("Invalid average_tpt on rate %d: "
"counter: %d, success_counter: %d, "
"expected_tpt is %sNULL\n",
- index,
+ idx,
win->counter,
win->success_counter,
rs_sta->expected_tpt ? "not " : "");
current_tpt = win->average_tpt;
- high_low = il3945_get_adjacent_rate(rs_sta, index, rate_mask,
+ high_low = il3945_get_adjacent_rate(rs_sta, idx, rate_mask,
sband->band);
low = high_low & 0xff;
high = (high_low >> 8) & 0xff;
/* Decrese rate */
if (low != RATE_INVALID)
- index = low;
+ idx = low;
break;
case 1:
/* Increase rate */
if (high != RATE_INVALID)
- index = high;
+ idx = high;
break;
}
D_RATE("Selected %d (action %d) - low %d high %d\n",
- index, scale_action, low, high);
+ idx, scale_action, low, high);
out:
if (sband->band == IEEE80211_BAND_5GHZ) {
- if (WARN_ON_ONCE(index < IL_FIRST_OFDM_RATE))
- index = IL_FIRST_OFDM_RATE;
- rs_sta->last_txrate_idx = index;
- info->control.rates[0].idx = index - IL_FIRST_OFDM_RATE;
+ if (WARN_ON_ONCE(idx < IL_FIRST_OFDM_RATE))
+ idx = IL_FIRST_OFDM_RATE;
+ rs_sta->last_txrate_idx = idx;
+ info->control.rates[0].idx = idx - IL_FIRST_OFDM_RATE;
} else {
- rs_sta->last_txrate_idx = index;
+ rs_sta->last_txrate_idx = idx;
info->control.rates[0].idx = rs_sta->last_txrate_idx;
}
- D_RATE("leave: %d\n", index);
+ D_RATE("leave: %d\n", idx);
}
#ifdef CONFIG_MAC80211_DEBUGFS
if (!buff)
return -ENOMEM;
- desc += sprintf(buff + desc, "tx packets=%d last rate index=%d\n"
+ desc += sprintf(buff + desc, "tx packets=%d last rate idx=%d\n"
"rate=0x%X flush time %d\n",
lq_sta->tx_packets,
lq_sta->last_txrate_idx,
D_RATE("Network RSSI: %d\n", rssi);
- rs_sta->start_rate = il3945_get_rate_index_by_rssi(rssi, il->band);
+ rs_sta->start_rate = il3945_get_rate_idx_by_rssi(rssi, il->band);
- D_RATE("leave: rssi %d assign rate index: "
+ D_RATE("leave: rssi %d assign rate idx: "
"%d (plcp 0x%x)\n", rssi, rs_sta->start_rate,
il3945_rates[rs_sta->start_rate].plcp);
rcu_read_unlock();
IL_DECLARE_RATE_INFO(54, 48, INV, 48, INV, 48, INV),/* 54mbps */
};
-static inline u8 il3945_get_prev_ieee_rate(u8 rate_index)
+static inline u8 il3945_get_prev_ieee_rate(u8 rate_idx)
{
- u8 rate = il3945_rates[rate_index].prev_ieee;
+ u8 rate = il3945_rates[rate_idx].prev_ieee;
if (rate == RATE_INVALID)
- rate = rate_index;
+ rate = rate_idx;
return rate;
}
/**
* il3945_tx_queue_reclaim - Reclaim Tx queue entries already Tx'd
*
- * When FW advances 'R' index, all entries between old and new 'R' index
+ * When FW advances 'R' idx, all entries between old and new 'R' idx
* need to be reclaimed. As result, some free space forms. If there is
* enough free space (> low mark), wake the stack that feeds us.
*/
static void il3945_tx_queue_reclaim(struct il_priv *il,
- int txq_id, int index)
+ int txq_id, int idx)
{
struct il_tx_queue *txq = &il->txq[txq_id];
struct il_queue *q = &txq->q;
BUG_ON(txq_id == IL39_CMD_QUEUE_NUM);
- for (index = il_queue_inc_wrap(index, q->n_bd);
- q->read_ptr != index;
+ for (idx = il_queue_inc_wrap(idx, q->n_bd);
+ q->read_ptr != idx;
q->read_ptr = il_queue_inc_wrap(q->read_ptr, q->n_bd)) {
tx_info = &txq->txb[txq->q.read_ptr];
struct il_rx_pkt *pkt = rxb_addr(rxb);
u16 sequence = le16_to_cpu(pkt->hdr.sequence);
int txq_id = SEQ_TO_QUEUE(sequence);
- int index = SEQ_TO_IDX(sequence);
+ int idx = SEQ_TO_IDX(sequence);
struct il_tx_queue *txq = &il->txq[txq_id];
struct ieee80211_tx_info *info;
struct il3945_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
int rate_idx;
int fail;
- if (index >= txq->q.n_bd || il_queue_used(&txq->q, index) == 0) {
- IL_ERR("Read index for DMA queue txq_id (%d) index %d "
+ if (idx >= txq->q.n_bd || il_queue_used(&txq->q, idx) == 0) {
+ IL_ERR("Read idx for DMA queue txq_id (%d) idx %d "
"is out of range [0-%d] %d %d\n", txq_id,
- index, txq->q.n_bd, txq->q.write_ptr,
+ idx, txq->q.n_bd, txq->q.write_ptr,
txq->q.read_ptr);
return;
}
txq_id, il3945_get_tx_fail_reason(status), status,
tx_resp->rate, tx_resp->failure_frame);
- D_TX_REPLY("Tx queue reclaim %d\n", index);
- il3945_tx_queue_reclaim(il, txq_id, index);
+ D_TX_REPLY("Tx queue reclaim %d\n", idx);
+ il3945_tx_queue_reclaim(il, txq_id, idx);
if (status & TX_ABORT_REQUIRED_MSK)
IL_ERR("TODO: Implement Tx ABORT REQUIRED!!!\n");
}
/**
- * il3945_hw_txq_free_tfd - Free one TFD, those at index [txq->q.read_ptr]
+ * il3945_hw_txq_free_tfd - Free one TFD, those at idx [txq->q.read_ptr]
*
- * Does NOT advance any indexes
+ * Does NOT advance any idxes
*/
void il3945_hw_txq_free_tfd(struct il_priv *il, struct il_tx_queue *txq)
{
struct il3945_tfd *tfd_tmp = (struct il3945_tfd *)txq->tfds;
- int index = txq->q.read_ptr;
- struct il3945_tfd *tfd = &tfd_tmp[index];
+ int idx = txq->q.read_ptr;
+ struct il3945_tfd *tfd = &tfd_tmp[idx];
struct pci_dev *dev = il->pci_dev;
int i;
int counter;
/* Unmap tx_cmd */
if (counter)
pci_unmap_single(dev,
- dma_unmap_addr(&txq->meta[index], mapping),
- dma_unmap_len(&txq->meta[index], len),
+ dma_unmap_addr(&txq->meta[idx], mapping),
+ dma_unmap_len(&txq->meta[idx], len),
PCI_DMA_TODEVICE);
/* unmap chunks if any */
int sta_id, int tx_id)
{
u16 hw_value = ieee80211_get_tx_rate(il->hw, info)->hw_value;
- u16 rate_index = min(hw_value & 0xffff, RATE_COUNT_3945);
+ u16 rate_idx = min(hw_value & 0xffff, RATE_COUNT_3945);
u16 rate_mask;
int rate;
u8 rts_retry_limit;
__le16 fc = hdr->frame_control;
struct il3945_tx_cmd *tx_cmd = (struct il3945_tx_cmd *)cmd->cmd.payload;
- rate = il3945_rates[rate_index].plcp;
+ rate = il3945_rates[rate_idx].plcp;
tx_flags = tx_cmd->tx_flags;
/* We need to figure out how to get the sta->supp_rates while
/**
* il3945_hw_reg_adjust_power_by_temp
- * return index delta into power gain settings table
+ * return idx delta into power gain settings table
*/
static int il3945_hw_reg_adjust_power_by_temp(int new_reading, int old_reading)
{
{3, 120} } /* 5.x GHz, lowest power */
};
-static inline u8 il3945_hw_reg_fix_power_index(int index)
+static inline u8 il3945_hw_reg_fix_power_idx(int idx)
{
- if (index < 0)
+ if (idx < 0)
return 0;
- if (index >= IL_MAX_GAIN_ENTRIES)
+ if (idx >= IL_MAX_GAIN_ENTRIES)
return IL_MAX_GAIN_ENTRIES - 1;
- return (u8) index;
+ return (u8) idx;
}
/* Kick off thermal recalibration check every 60 seconds */
* Set (in our channel info database) the direct scan Tx power for 1 Mbit (CCK)
* or 6 Mbit (OFDM) rates.
*/
-static void il3945_hw_reg_set_scan_power(struct il_priv *il, u32 scan_tbl_index,
- s32 rate_index, const s8 *clip_pwrs,
+static void il3945_hw_reg_set_scan_power(struct il_priv *il, u32 scan_tbl_idx,
+ s32 rate_idx, const s8 *clip_pwrs,
struct il_channel_info *ch_info,
- int band_index)
+ int band_idx)
{
struct il3945_scan_power_info *scan_power_info;
s8 power;
- u8 power_index;
+ u8 power_idx;
- scan_power_info = &ch_info->scan_pwr_info[scan_tbl_index];
+ scan_power_info = &ch_info->scan_pwr_info[scan_tbl_idx];
/* use this channel group's 6Mbit clipping/saturation pwr,
* but cap at regulatory scan power restriction (set during init
/* find difference between new scan *power* and current "normal"
* Tx *power* for 6Mb. Use this difference (x2) to adjust the
- * current "normal" temperature-compensated Tx power *index* for
+ * current "normal" temperature-compensated Tx power *idx* for
* this rate (1Mb or 6Mb) to yield new temp-compensated scan power
- * *index*. */
- power_index = ch_info->power_info[rate_index].power_table_index
+ * *idx*. */
+ power_idx = ch_info->power_info[rate_idx].power_table_idx
- (power - ch_info->power_info
[RATE_6M_IDX_TABLE].requested_power) * 2;
- /* store reference index that we use when adjusting *all* scan
+ /* store reference idx that we use when adjusting *all* scan
* powers. So we can accommodate user (all channel) or spectrum
* management (single channel) power changes "between" temperature
* feedback compensation procedures.
- * don't force fit this reference index into gain table; it may be a
+ * don't force fit this reference idx into gain table; it may be a
* negative number. This will help avoid errors when we're at
* the lower bounds (highest gains, for warmest temperatures)
* of the table. */
/* don't exceed table bounds for "real" setting */
- power_index = il3945_hw_reg_fix_power_index(power_index);
+ power_idx = il3945_hw_reg_fix_power_idx(power_idx);
- scan_power_info->power_table_index = power_index;
+ scan_power_info->power_table_idx = power_idx;
scan_power_info->tpc.tx_gain =
- power_gain_table[band_index][power_index].tx_gain;
+ power_gain_table[band_idx][power_idx].tx_gain;
scan_power_info->tpc.dsp_atten =
- power_gain_table[band_index][power_index].dsp_atten;
+ power_gain_table[band_idx][power_idx].dsp_atten;
}
/**
* il3945_hw_reg_set_new_power - Configures power tables at new levels
* @ch_info: Channel to update. Uses power_info.requested_power.
*
- * Replace requested_power and base_power_index ch_info fields for
+ * Replace requested_power and base_power_idx ch_info fields for
* one channel.
*
* Called if user or spectrum management changes power preferences.
int power;
/* Get this chnlgrp's rate-to-max/clip-powers table */
- clip_pwrs = il->_3945.clip_groups[ch_info->group_index].clip_powers;
+ clip_pwrs = il->_3945.clip_groups[ch_info->group_idx].clip_powers;
/* Get this channel's rate-to-current-power settings table */
power_info = ch_info->power_info;
continue;
/* find difference between old and new requested powers,
- * update base (non-temp-compensated) power index */
+ * update base (non-temp-compensated) power idx */
delta_idx = (power - power_info->requested_power) * 2;
- power_info->base_power_index -= delta_idx;
+ power_info->base_power_idx -= delta_idx;
/* save new requested power value */
power_info->requested_power = power;
/* do all CCK rates' il3945_channel_power_info structures */
for (i = RATE_1M_IDX_TABLE; i <= RATE_11M_IDX_TABLE; i++) {
power_info->requested_power = power;
- power_info->base_power_index =
+ power_info->base_power_idx =
ch_info->power_info[RATE_12M_IDX_TABLE].
- base_power_index + IL_CCK_FROM_OFDM_IDX_DIFF;
+ base_power_idx + IL_CCK_FROM_OFDM_IDX_DIFF;
++power_info;
}
}
* Compensate txpower settings of *all* channels for temperature.
* This only accounts for the difference between current temperature
* and the factory calibration temperatures, and bases the new settings
- * on the channel's base_power_index.
+ * on the channel's base_power_idx.
*
* If RxOn is "associated", this sends the new Txpower to NIC!
*/
{
struct il_channel_info *ch_info = NULL;
struct il3945_eeprom *eeprom = (struct il3945_eeprom *)il->eeprom;
- int delta_index;
+ int delta_idx;
const s8 *clip_pwrs; /* array of h/w max power levels for each rate */
u8 a_band;
- u8 rate_index;
- u8 scan_tbl_index;
+ u8 rate_idx;
+ u8 scan_tbl_idx;
u8 i;
int ref_temp;
int temperature = il->temperature;
a_band = il_is_channel_a_band(ch_info);
/* Get this chnlgrp's factory calibration temperature */
- ref_temp = (s16)eeprom->groups[ch_info->group_index].
+ ref_temp = (s16)eeprom->groups[ch_info->group_idx].
temperature;
- /* get power index adjustment based on current and factory
+ /* get power idx adjustment based on current and factory
* temps */
- delta_index = il3945_hw_reg_adjust_power_by_temp(temperature,
+ delta_idx = il3945_hw_reg_adjust_power_by_temp(temperature,
ref_temp);
/* set tx power value for all rates, OFDM and CCK */
- for (rate_index = 0; rate_index < RATE_COUNT_3945;
- rate_index++) {
+ for (rate_idx = 0; rate_idx < RATE_COUNT_3945;
+ rate_idx++) {
int power_idx =
- ch_info->power_info[rate_index].base_power_index;
+ ch_info->power_info[rate_idx].base_power_idx;
/* temperature compensate */
- power_idx += delta_index;
+ power_idx += delta_idx;
/* stay within table range */
- power_idx = il3945_hw_reg_fix_power_index(power_idx);
- ch_info->power_info[rate_index].
- power_table_index = (u8) power_idx;
- ch_info->power_info[rate_index].tpc =
+ power_idx = il3945_hw_reg_fix_power_idx(power_idx);
+ ch_info->power_info[rate_idx].
+ power_table_idx = (u8) power_idx;
+ ch_info->power_info[rate_idx].tpc =
power_gain_table[a_band][power_idx];
}
/* Get this chnlgrp's rate-to-max/clip-powers table */
- clip_pwrs = il->_3945.clip_groups[ch_info->group_index].clip_powers;
+ clip_pwrs = il->_3945.clip_groups[ch_info->group_idx].clip_powers;
/* set scan tx power, 1Mbit for CCK, 6Mbit for OFDM */
- for (scan_tbl_index = 0;
- scan_tbl_index < IL_NUM_SCAN_RATES; scan_tbl_index++) {
- s32 actual_index = (scan_tbl_index == 0) ?
+ for (scan_tbl_idx = 0;
+ scan_tbl_idx < IL_NUM_SCAN_RATES; scan_tbl_idx++) {
+ s32 actual_idx = (scan_tbl_idx == 0) ?
RATE_1M_IDX_TABLE : RATE_6M_IDX_TABLE;
- il3945_hw_reg_set_scan_power(il, scan_tbl_index,
- actual_index, clip_pwrs,
+ il3945_hw_reg_set_scan_power(il, scan_tbl_idx,
+ actual_idx, clip_pwrs,
ch_info, a_band);
}
}
}
/**
- * il3945_hw_reg_get_ch_grp_index - find the channel-group index (0-4)
+ * il3945_hw_reg_get_ch_grp_idx - find the channel-group idx (0-4)
* for the channel.
*
* This function is used when initializing channel-info structs.
* on A-band, EEPROM's "group frequency" entries represent the top
* channel in each group 1-4. Group 5 All B/G channels are in group 0.
*/
-static u16 il3945_hw_reg_get_ch_grp_index(struct il_priv *il,
+static u16 il3945_hw_reg_get_ch_grp_idx(struct il_priv *il,
const struct il_channel_info *ch_info)
{
struct il3945_eeprom *eeprom = (struct il3945_eeprom *)il->eeprom;
struct il3945_eeprom_txpower_group *ch_grp = &eeprom->groups[0];
u8 group;
- u16 group_index = 0; /* based on factory calib frequencies */
+ u16 group_idx = 0; /* based on factory calib frequencies */
u8 grp_channel;
- /* Find the group index for the channel ... don't use index 1(?) */
+ /* Find the group idx for the channel ... don't use idx 1(?) */
if (il_is_channel_a_band(ch_info)) {
for (group = 1; group < 5; group++) {
grp_channel = ch_grp[group].group_channel;
if (ch_info->channel <= grp_channel) {
- group_index = group;
+ group_idx = group;
break;
}
}
/* group 4 has a few channels *above* its factory cal freq */
if (group == 5)
- group_index = 4;
+ group_idx = 4;
} else
- group_index = 0; /* 2.4 GHz, group 0 */
+ group_idx = 0; /* 2.4 GHz, group 0 */
D_POWER("Chnl %d mapped to grp %d\n", ch_info->channel,
- group_index);
- return group_index;
+ group_idx);
+ return group_idx;
}
/**
- * il3945_hw_reg_get_matched_power_index - Interpolate to get nominal index
+ * il3945_hw_reg_get_matched_power_idx - Interpolate to get nominal idx
*
- * Interpolate to get nominal (i.e. at factory calibration temperature) index
+ * Interpolate to get nominal (i.e. at factory calibration temperature) idx
* into radio/DSP gain settings table for requested power.
*/
-static int il3945_hw_reg_get_matched_power_index(struct il_priv *il,
+static int il3945_hw_reg_get_matched_power_idx(struct il_priv *il,
s8 requested_power,
- s32 setting_index, s32 *new_index)
+ s32 setting_idx, s32 *new_idx)
{
const struct il3945_eeprom_txpower_group *chnl_grp = NULL;
struct il3945_eeprom *eeprom = (struct il3945_eeprom *)il->eeprom;
- s32 index0, index1;
+ s32 idx0, idx1;
s32 power = 2 * requested_power;
s32 i;
const struct il3945_eeprom_txpower_sample *samples;
s32 res;
s32 denominator;
- chnl_grp = &eeprom->groups[setting_index];
+ chnl_grp = &eeprom->groups[setting_idx];
samples = chnl_grp->samples;
for (i = 0; i < 5; i++) {
if (power == samples[i].power) {
- *new_index = samples[i].gain_index;
+ *new_idx = samples[i].gain_idx;
return 0;
}
}
if (power > samples[1].power) {
- index0 = 0;
- index1 = 1;
+ idx0 = 0;
+ idx1 = 1;
} else if (power > samples[2].power) {
- index0 = 1;
- index1 = 2;
+ idx0 = 1;
+ idx1 = 2;
} else if (power > samples[3].power) {
- index0 = 2;
- index1 = 3;
+ idx0 = 2;
+ idx1 = 3;
} else {
- index0 = 3;
- index1 = 4;
+ idx0 = 3;
+ idx1 = 4;
}
- denominator = (s32) samples[index1].power - (s32) samples[index0].power;
+ denominator = (s32) samples[idx1].power - (s32) samples[idx0].power;
if (denominator == 0)
return -EINVAL;
- gains0 = (s32) samples[index0].gain_index * (1 << 19);
- gains1 = (s32) samples[index1].gain_index * (1 << 19);
+ gains0 = (s32) samples[idx0].gain_idx * (1 << 19);
+ gains1 = (s32) samples[idx1].gain_idx * (1 << 19);
res = gains0 + (gains1 - gains0) *
- ((s32) power - (s32) samples[index0].power) / denominator +
+ ((s32) power - (s32) samples[idx0].power) / denominator +
(1 << 18);
- *new_index = res >> 19;
+ *new_idx = res >> 19;
return 0;
}
static void il3945_hw_reg_init_channel_groups(struct il_priv *il)
{
u32 i;
- s32 rate_index;
+ s32 rate_idx;
struct il3945_eeprom *eeprom = (struct il3945_eeprom *)il->eeprom;
const struct il3945_eeprom_txpower_group *group;
satur_pwr = (s8) (group->saturation_power >> 1);
/* fill in channel group's nominal powers for each rate */
- for (rate_index = 0;
- rate_index < RATE_COUNT_3945; rate_index++, clip_pwrs++) {
- switch (rate_index) {
+ for (rate_idx = 0;
+ rate_idx < RATE_COUNT_3945; rate_idx++, clip_pwrs++) {
+ switch (rate_idx) {
case RATE_36M_IDX_TABLE:
if (i == 0) /* B/G */
*clip_pwrs = satur_pwr;
struct il_channel_info *ch_info = NULL;
struct il3945_channel_power_info *pwr_info;
struct il3945_eeprom *eeprom = (struct il3945_eeprom *)il->eeprom;
- int delta_index;
- u8 rate_index;
- u8 scan_tbl_index;
+ int delta_idx;
+ u8 rate_idx;
+ u8 scan_tbl_idx;
const s8 *clip_pwrs; /* array of power levels for each rate */
u8 gain, dsp_atten;
s8 power;
- u8 pwr_index, base_pwr_index, a_band;
+ u8 pwr_idx, base_pwr_idx, a_band;
u8 i;
int temperature;
if (!il_is_channel_valid(ch_info))
continue;
- /* find this channel's channel group (*not* "band") index */
- ch_info->group_index =
- il3945_hw_reg_get_ch_grp_index(il, ch_info);
+ /* find this channel's channel group (*not* "band") idx */
+ ch_info->group_idx =
+ il3945_hw_reg_get_ch_grp_idx(il, ch_info);
/* Get this chnlgrp's rate->max/clip-powers table */
- clip_pwrs = il->_3945.clip_groups[ch_info->group_index].clip_powers;
+ clip_pwrs = il->_3945.clip_groups[ch_info->group_idx].clip_powers;
- /* calculate power index *adjustment* value according to
+ /* calculate power idx *adjustment* value according to
* diff between current temperature and factory temperature */
- delta_index = il3945_hw_reg_adjust_power_by_temp(temperature,
- eeprom->groups[ch_info->group_index].
+ delta_idx = il3945_hw_reg_adjust_power_by_temp(temperature,
+ eeprom->groups[ch_info->group_idx].
temperature);
- D_POWER("Delta index for channel %d: %d [%d]\n",
- ch_info->channel, delta_index, temperature +
+ D_POWER("Delta idx for channel %d: %d [%d]\n",
+ ch_info->channel, delta_idx, temperature +
IL_TEMP_CONVERT);
/* set tx power value for all OFDM rates */
- for (rate_index = 0; rate_index < IL_OFDM_RATES;
- rate_index++) {
+ for (rate_idx = 0; rate_idx < IL_OFDM_RATES;
+ rate_idx++) {
s32 uninitialized_var(power_idx);
int rc;
/* use channel group's clip-power table,
* but don't exceed channel's max power */
s8 pwr = min(ch_info->max_power_avg,
- clip_pwrs[rate_index]);
+ clip_pwrs[rate_idx]);
- pwr_info = &ch_info->power_info[rate_index];
+ pwr_info = &ch_info->power_info[rate_idx];
/* get base (i.e. at factory-measured temperature)
- * power table index for this rate's power */
- rc = il3945_hw_reg_get_matched_power_index(il, pwr,
- ch_info->group_index,
+ * power table idx for this rate's power */
+ rc = il3945_hw_reg_get_matched_power_idx(il, pwr,
+ ch_info->group_idx,
&power_idx);
if (rc) {
- IL_ERR("Invalid power index\n");
+ IL_ERR("Invalid power idx\n");
return rc;
}
- pwr_info->base_power_index = (u8) power_idx;
+ pwr_info->base_power_idx = (u8) power_idx;
/* temperature compensate */
- power_idx += delta_index;
+ power_idx += delta_idx;
/* stay within range of gain table */
- power_idx = il3945_hw_reg_fix_power_index(power_idx);
+ power_idx = il3945_hw_reg_fix_power_idx(power_idx);
/* fill 1 OFDM rate's il3945_channel_power_info struct */
pwr_info->requested_power = pwr;
- pwr_info->power_table_index = (u8) power_idx;
+ pwr_info->power_table_idx = (u8) power_idx;
pwr_info->tpc.tx_gain =
power_gain_table[a_band][power_idx].tx_gain;
pwr_info->tpc.dsp_atten =
pwr_info = &ch_info->power_info[RATE_12M_IDX_TABLE];
power = pwr_info->requested_power +
IL_CCK_FROM_OFDM_POWER_DIFF;
- pwr_index = pwr_info->power_table_index +
+ pwr_idx = pwr_info->power_table_idx +
IL_CCK_FROM_OFDM_IDX_DIFF;
- base_pwr_index = pwr_info->base_power_index +
+ base_pwr_idx = pwr_info->base_power_idx +
IL_CCK_FROM_OFDM_IDX_DIFF;
/* stay within table range */
- pwr_index = il3945_hw_reg_fix_power_index(pwr_index);
- gain = power_gain_table[a_band][pwr_index].tx_gain;
- dsp_atten = power_gain_table[a_band][pwr_index].dsp_atten;
+ pwr_idx = il3945_hw_reg_fix_power_idx(pwr_idx);
+ gain = power_gain_table[a_band][pwr_idx].tx_gain;
+ dsp_atten = power_gain_table[a_band][pwr_idx].dsp_atten;
/* fill each CCK rate's il3945_channel_power_info structure
* NOTE: All CCK-rate Txpwrs are the same for a given chnl!
* NOTE: CCK rates start at end of OFDM rates! */
- for (rate_index = 0;
- rate_index < IL_CCK_RATES; rate_index++) {
- pwr_info = &ch_info->power_info[rate_index+IL_OFDM_RATES];
+ for (rate_idx = 0;
+ rate_idx < IL_CCK_RATES; rate_idx++) {
+ pwr_info = &ch_info->power_info[rate_idx+IL_OFDM_RATES];
pwr_info->requested_power = power;
- pwr_info->power_table_index = pwr_index;
- pwr_info->base_power_index = base_pwr_index;
+ pwr_info->power_table_idx = pwr_idx;
+ pwr_info->base_power_idx = base_pwr_idx;
pwr_info->tpc.tx_gain = gain;
pwr_info->tpc.dsp_atten = dsp_atten;
}
/* set scan tx power, 1Mbit for CCK, 6Mbit for OFDM */
- for (scan_tbl_index = 0;
- scan_tbl_index < IL_NUM_SCAN_RATES; scan_tbl_index++) {
- s32 actual_index = (scan_tbl_index == 0) ?
+ for (scan_tbl_idx = 0;
+ scan_tbl_idx < IL_NUM_SCAN_RATES; scan_tbl_idx++) {
+ s32 actual_idx = (scan_tbl_idx == 0) ?
RATE_1M_IDX_TABLE : RATE_6M_IDX_TABLE;
- il3945_hw_reg_set_scan_power(il, scan_tbl_index,
- actual_index, clip_pwrs, ch_info, a_band);
+ il3945_hw_reg_set_scan_power(il, scan_tbl_idx,
+ actual_idx, clip_pwrs, ch_info, a_band);
}
}
*/
int il3945_init_hw_rate_table(struct il_priv *il)
{
- int rc, i, index, prev_index;
+ int rc, i, idx, prev_idx;
struct il3945_rate_scaling_cmd rate_cmd = {
.reserved = {0, 0, 0},
};
struct il3945_rate_scaling_info *table = rate_cmd.table;
for (i = 0; i < ARRAY_SIZE(il3945_rates); i++) {
- index = il3945_rates[i].table_rs_index;
+ idx = il3945_rates[i].table_rs_idx;
- table[index].rate_n_flags =
+ table[idx].rate_n_flags =
il3945_hw_set_rate_n_flags(il3945_rates[i].plcp, 0);
- table[index].try_cnt = il->retry_rate;
- prev_index = il3945_get_prev_ieee_rate(i);
- table[index].next_rate_index =
- il3945_rates[prev_index].table_rs_index;
+ table[idx].try_cnt = il->retry_rate;
+ prev_idx = il3945_get_prev_ieee_rate(i);
+ table[idx].next_rate_idx =
+ il3945_rates[prev_idx].table_rs_idx;
}
switch (il->band) {
* have it fall back to the 6M OFDM rate */
for (i = RATE_1M_IDX_TABLE;
i <= RATE_11M_IDX_TABLE; i++)
- table[i].next_rate_index =
- il3945_rates[IL_FIRST_OFDM_RATE].table_rs_index;
+ table[i].next_rate_idx =
+ il3945_rates[IL_FIRST_OFDM_RATE].table_rs_idx;
/* Don't fall back to CCK rates */
- table[RATE_12M_IDX_TABLE].next_rate_index =
+ table[RATE_12M_IDX_TABLE].next_rate_idx =
RATE_9M_IDX_TABLE;
/* Don't drop out of OFDM rates */
- table[RATE_6M_IDX_TABLE].next_rate_index =
- il3945_rates[IL_FIRST_OFDM_RATE].table_rs_index;
+ table[RATE_6M_IDX_TABLE].next_rate_idx =
+ il3945_rates[IL_FIRST_OFDM_RATE].table_rs_idx;
break;
case IEEE80211_BAND_2GHZ:
if (!(il->_3945.sta_supp_rates & IL_OFDM_RATES_MASK) &&
il_is_associated(il)) {
- index = IL_FIRST_CCK_RATE;
+ idx = IL_FIRST_CCK_RATE;
for (i = RATE_6M_IDX_TABLE;
i <= RATE_54M_IDX_TABLE; i++)
- table[i].next_rate_index =
- il3945_rates[index].table_rs_index;
+ table[i].next_rate_idx =
+ il3945_rates[idx].table_rs_idx;
- index = RATE_11M_IDX_TABLE;
+ idx = RATE_11M_IDX_TABLE;
/* CCK shouldn't fall back to OFDM... */
- table[index].next_rate_index = RATE_5M_IDX_TABLE;
+ table[idx].next_rate_idx = RATE_5M_IDX_TABLE;
}
break;
* 1) Compare desired txpower vs. (EEPROM) regulatory limit for this channel.
* Do not exceed regulatory limit; reduce target txpower if necessary.
*
- * If setting up txpowers for MIMO rates (rate indexes 8-15, 24-31),
+ * If setting up txpowers for MIMO rates (rate idxes 8-15, 24-31),
* 2 transmitters will be used simultaneously; driver must reduce the
* regulatory limit by 3 dB (half-power) for each transmitter, so the
* combined total output of the 2 transmitters is within regulatory limits.
* be used (although only one at a time) even for non-MIMO transmissions.
*
* Driver should interpolate factory values for temperature, gain table
- * index, and actual power. The power amplifier detector values are
+ * idx, and actual power. The power amplifier detector values are
* not used by the driver.
*
* Sanity check: If the target channel happens to be one of the sample
*
*
* 5) Find difference between desired txpower and (interpolated)
- * factory-measured txpower. Using (interpolated) factory gain table index
- * (shown elsewhere) as a starting point, adjust this index lower to
+ * factory-measured txpower. Using (interpolated) factory gain table idx
+ * (shown elsewhere) as a starting point, adjust this idx lower to
* increase txpower, or higher to decrease txpower, until the target
* txpower is reached. Each step in the gain table is 1/2 dB.
*
* For example, if factory measured txpower is 16 dBm, and target txpower
- * is 13 dBm, add 6 steps to the factory gain index to reduce txpower
+ * is 13 dBm, add 6 steps to the factory gain idx to reduce txpower
* by 3 dB.
*
*
* "4965 temperature calculation".
*
* If current temperature is higher than factory temperature, driver must
- * increase gain (lower gain table index), and vice verse.
+ * increase gain (lower gain table idx), and vice verse.
*
* Temperature affects gain differently for different channels:
*
* indicator (EEPROM).
*
* If the current voltage is higher (indicator is lower) than factory
- * voltage, gain should be reduced (gain table index increased) by:
+ * voltage, gain should be reduced (gain table idx increased) by:
*
* (eeprom - current) / 7
*
* If the current voltage is lower (indicator is higher) than factory
- * voltage, gain should be increased (gain table index decreased) by:
+ * voltage, gain should be increased (gain table idx decreased) by:
*
* 2 * (current - eeprom) / 7
*
- * If number of index steps in either direction turns out to be > 2,
+ * If number of idx steps in either direction turns out to be > 2,
* something is wrong ... just use 0.
*
* NOTE: Voltage compensation is independent of band/channel.
* may be calculated once and used until the next uCode bootload.
*
*
- * 8) If setting up txpowers for MIMO rates (rate indexes 8-15, 24-31),
+ * 8) If setting up txpowers for MIMO rates (rate idxes 8-15, 24-31),
* adjust txpower for each transmitter chain, so txpower is balanced
* between the two chains. There are 5 pairs of tx_atten[group][chain]
* values in "initialize alive", one pair for each of 5 channel ranges:
* Group 3: 5 GHz channel 125-200
* Group 4: 2.4 GHz all channels
*
- * Add the tx_atten[group][chain] value to the index for the target chain.
+ * Add the tx_atten[group][chain] value to the idx for the target chain.
* The values are signed, but are in pairs of 0 and a non-negative number,
* so as to reduce gain (if necessary) of the "hotter" channel. This
* avoids any need to double-check for regulatory compliance after
*
*
* 9) If setting up for a CCK rate, lower the gain by adding a CCK compensation
- * value to the index:
+ * value to the idx:
*
* Hardware rev B: 9 steps (4.5 dB)
* Hardware rev C: 5 steps (2.5 dB)
*
* 10) Select the gain table, based on band (2.4 vs 5 GHz).
*
- * Limit the adjusted index to stay within the table!
+ * Limit the adjusted idx to stay within the table!
*
*
* 11) Read gain table entries for DSP and radio gain, place into appropriate
*
* When calculating txpowers for CCK, after making sure that the target power
* is within regulatory and saturation limits, driver must additionally
- * back off gain by adding these values to the gain table index.
+ * back off gain by adding these values to the gain table idx.
*
* Hardware rev for 4965 can be determined by reading CSR_HW_REV_WA_REG,
* bits [3:2], 1 = B, 2 = C.
* driver work with the same table).
*
* There are separate tables for 2.4 GHz and 5 GHz bands. The 5 GHz table
- * has an extension (into negative indexes), in case the driver needs to
+ * has an extension (into negative idxes), in case the driver needs to
* boost power setting for high device temperatures (higher than would be
- * present during factory calibration). A 5 Ghz EEPROM index of "40"
+ * present during factory calibration). A 5 Ghz EEPROM idx of "40"
* corresponds to the 49th entry in the table used by the driver.
*/
#define MIN_TX_GAIN_IDX (0) /* highest gain, lowest idx, 2.4 */
*
* When driver sets up a new TFD, it must also enter the total byte count
* of the frame to be transmitted into the corresponding entry in the byte
- * count table for the chosen Tx queue. If the TFD index is 0-63, the driver
- * must duplicate the byte count entry in corresponding index 256-319.
+ * count table for the chosen Tx queue. If the TFD idx is 0-63, the driver
+ * must duplicate the byte count entry in corresponding idx 256-319.
*
* padding puts each byte count table on a 1024-byte boundary;
* 4965 assumes tables are separated by 1024 bytes.
/* Stop Rx DMA */
il_wr(il, FH_MEM_RCSR_CHNL0_CONFIG_REG, 0);
- /* Reset driver's Rx queue write index */
+ /* Reset driver's Rx queue write idx */
il_wr(il, FH_RSCSR_CHNL0_RBDCB_WPTR_REG, 0);
/* Tell device where to find RBD circular buffer in DRAM */
* and we have free pre-allocated buffers, fill the ranks as much
* as we can, pulling from rx_free.
*
- * This moves the 'write' index forward to catch up with 'processed', and
+ * This moves the 'write' idx forward to catch up with 'processed', and
* also updates the memory address in the firmware to reference the new
* target buffer.
*/
#ifdef CONFIG_MAC80211_DEBUGFS
static void il4965_rs_dbgfs_set_mcs(struct il_lq_sta *lq_sta,
- u32 *rate_n_flags, int index);
+ u32 *rate_n_flags, int idx);
#else
static void il4965_rs_dbgfs_set_mcs(struct il_lq_sta *lq_sta,
- u32 *rate_n_flags, int index)
+ u32 *rate_n_flags, int idx)
{}
#endif
{
u32 curr_time = jiffies_to_msecs(jiffies);
u32 time_diff;
- s32 index;
+ s32 idx;
struct il_traffic_load *tl = NULL;
u8 tid;
}
time_diff = TIME_WRAP_AROUND(tl->time_stamp, curr_time);
- index = time_diff / TID_QUEUE_CELL_SPACING;
+ idx = time_diff / TID_QUEUE_CELL_SPACING;
/* The history is too long: remove data that is older than */
/* TID_MAX_TIME_DIFF */
- if (index >= TID_QUEUE_MAX_SIZE)
+ if (idx >= TID_QUEUE_MAX_SIZE)
il4965_rs_tl_rm_old_stats(tl, curr_time);
- index = (tl->head + index) % TID_QUEUE_MAX_SIZE;
- tl->packet_count[index] = tl->packet_count[index] + 1;
+ idx = (tl->head + idx) % TID_QUEUE_MAX_SIZE;
+ tl->packet_count[idx] = tl->packet_count[idx] + 1;
tl->total = tl->total + 1;
- if ((index + 1) > tl->queue_count)
- tl->queue_count = index + 1;
+ if ((idx + 1) > tl->queue_count)
+ tl->queue_count = idx + 1;
return tid;
}
{
u32 curr_time = jiffies_to_msecs(jiffies);
u32 time_diff;
- s32 index;
+ s32 idx;
struct il_traffic_load *tl = NULL;
if (tid >= TID_MAX_LOAD_COUNT)
return 0;
time_diff = TIME_WRAP_AROUND(tl->time_stamp, curr_time);
- index = time_diff / TID_QUEUE_CELL_SPACING;
+ idx = time_diff / TID_QUEUE_CELL_SPACING;
/* The history is too long: remove data that is older than */
/* TID_MAX_TIME_DIFF */
- if (index >= TID_QUEUE_MAX_SIZE)
+ if (idx >= TID_QUEUE_MAX_SIZE)
il4965_rs_tl_rm_old_stats(tl, curr_time);
return tl->total;
* that wraps a NULL pointer check
*/
static s32
-il4965_get_expected_tpt(struct il_scale_tbl_info *tbl, int rs_index)
+il4965_get_expected_tpt(struct il_scale_tbl_info *tbl, int rs_idx)
{
if (tbl->expected_tpt)
- return tbl->expected_tpt[rs_index];
+ return tbl->expected_tpt[rs_idx];
return 0;
}
* packets.
*/
static int il4965_rs_collect_tx_data(struct il_scale_tbl_info *tbl,
- int scale_index, int attempts, int successes)
+ int scale_idx, int attempts, int successes)
{
struct il_rate_scale_data *win = NULL;
static const u64 mask = (((u64)1) << (RATE_MAX_WINDOW - 1));
s32 fail_count, tpt;
- if (scale_index < 0 || scale_index >= RATE_COUNT)
+ if (scale_idx < 0 || scale_idx >= RATE_COUNT)
return -EINVAL;
/* Select win for current tx bit rate */
- win = &(tbl->win[scale_index]);
+ win = &(tbl->win[scale_idx]);
/* Get expected throughput */
- tpt = il4965_get_expected_tpt(tbl, scale_index);
+ tpt = il4965_get_expected_tpt(tbl, scale_idx);
/*
* Keep track of only the latest 62 tx frame attempts in this rate's
*/
static u32 il4965_rate_n_flags_from_tbl(struct il_priv *il,
struct il_scale_tbl_info *tbl,
- int index, u8 use_green)
+ int idx, u8 use_green)
{
u32 rate_n_flags = 0;
if (is_legacy(tbl->lq_type)) {
- rate_n_flags = il_rates[index].plcp;
- if (index >= IL_FIRST_CCK_RATE && index <= IL_LAST_CCK_RATE)
+ rate_n_flags = il_rates[idx].plcp;
+ if (idx >= IL_FIRST_CCK_RATE && idx <= IL_LAST_CCK_RATE)
rate_n_flags |= RATE_MCS_CCK_MSK;
} else if (is_Ht(tbl->lq_type)) {
- if (index > IL_LAST_OFDM_RATE) {
- IL_ERR("Invalid HT rate index %d\n", index);
- index = IL_LAST_OFDM_RATE;
+ if (idx > IL_LAST_OFDM_RATE) {
+ IL_ERR("Invalid HT rate idx %d\n", idx);
+ idx = IL_LAST_OFDM_RATE;
}
rate_n_flags = RATE_MCS_HT_MSK;
if (is_siso(tbl->lq_type))
- rate_n_flags |= il_rates[index].plcp_siso;
+ rate_n_flags |= il_rates[idx].plcp_siso;
else
- rate_n_flags |= il_rates[index].plcp_mimo2;
+ rate_n_flags |= il_rates[idx].plcp_mimo2;
} else {
IL_ERR("Invalid tbl->lq_type %d\n", tbl->lq_type);
}
}
static u16
-il4965_rs_get_adjacent_rate(struct il_priv *il, u8 index, u16 rate_mask,
+il4965_rs_get_adjacent_rate(struct il_priv *il, u8 idx, u16 rate_mask,
int rate_type)
{
u8 high = RATE_INVALID;
u32 mask;
/* Find the previous rate that is in the rate mask */
- i = index - 1;
+ i = idx - 1;
for (mask = (1 << i); i >= 0; i--, mask >>= 1) {
if (rate_mask & mask) {
low = i;
}
/* Find the next rate that is in the rate mask */
- i = index + 1;
+ i = idx + 1;
for (mask = (1 << i); i < RATE_COUNT; i++, mask <<= 1) {
if (rate_mask & mask) {
high = i;
return (high << 8) | low;
}
- low = index;
+ low = idx;
while (low != RATE_INVALID) {
low = il_rates[low].prev_rs;
if (low == RATE_INVALID)
D_RATE("Skipping masked lower rate: %d\n", low);
}
- high = index;
+ high = idx;
while (high != RATE_INVALID) {
high = il_rates[high].next_rs;
if (high == RATE_INVALID)
static u32 il4965_rs_get_lower_rate(struct il_lq_sta *lq_sta,
struct il_scale_tbl_info *tbl,
- u8 scale_index, u8 ht_possible)
+ u8 scale_idx, u8 ht_possible)
{
s32 low;
u16 rate_mask;
/* check if we need to switch from HT to legacy rates.
* assumption is that mandatory rates (1Mbps or 6Mbps)
* are always supported (spec demand) */
- if (!is_legacy(tbl->lq_type) && (!ht_possible || !scale_index)) {
+ if (!is_legacy(tbl->lq_type) && (!ht_possible || !scale_idx)) {
switch_to_legacy = 1;
- scale_index = rs_ht_to_legacy[scale_index];
+ scale_idx = rs_ht_to_legacy[scale_idx];
if (lq_sta->band == IEEE80211_BAND_5GHZ)
tbl->lq_type = LQ_A;
else
}
/* If we switched from HT to legacy, check current rate */
- if (switch_to_legacy && (rate_mask & (1 << scale_index))) {
- low = scale_index;
+ if (switch_to_legacy && (rate_mask & (1 << scale_idx))) {
+ low = scale_idx;
goto out;
}
high_low = il4965_rs_get_adjacent_rate(lq_sta->drv,
- scale_index, rate_mask,
+ scale_idx, rate_mask,
tbl->lq_type);
low = high_low & 0xff;
if (low == RATE_INVALID)
- low = scale_index;
+ low = scale_idx;
out:
return il4965_rate_n_flags_from_tbl(lq_sta->drv, tbl, low, is_green);
{
int legacy_success;
int retries;
- int rs_index, mac_index, i;
+ int rs_idx, mac_idx, i;
struct il_lq_sta *lq_sta = il_sta;
struct il_link_quality_cmd *table;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
table = &lq_sta->lq;
tx_rate = le32_to_cpu(table->rs_table[0].rate_n_flags);
il4965_rs_get_tbl_info_from_mcs(tx_rate,
- il->band, &tbl_type, &rs_index);
+ il->band, &tbl_type, &rs_idx);
if (il->band == IEEE80211_BAND_5GHZ)
- rs_index -= IL_FIRST_OFDM_RATE;
+ rs_idx -= IL_FIRST_OFDM_RATE;
mac_flags = info->status.rates[0].flags;
- mac_index = info->status.rates[0].idx;
+ mac_idx = info->status.rates[0].idx;
/* For HT packets, map MCS to PLCP */
if (mac_flags & IEEE80211_TX_RC_MCS) {
- mac_index &= RATE_MCS_CODE_MSK; /* Remove # of streams */
- if (mac_index >= (RATE_9M_IDX - IL_FIRST_OFDM_RATE))
- mac_index++;
+ mac_idx &= RATE_MCS_CODE_MSK; /* Remove # of streams */
+ if (mac_idx >= (RATE_9M_IDX - IL_FIRST_OFDM_RATE))
+ mac_idx++;
/*
- * mac80211 HT index is always zero-indexed; we need to move
+ * mac80211 HT idx is always zero-idxed; we need to move
* HT OFDM rates after CCK rates in 2.4 GHz band
*/
if (il->band == IEEE80211_BAND_2GHZ)
- mac_index += IL_FIRST_OFDM_RATE;
+ mac_idx += IL_FIRST_OFDM_RATE;
}
/* Here we actually compare this rate to the latest LQ command */
- if (mac_index < 0 ||
+ if (mac_idx < 0 ||
tbl_type.is_SGI != !!(mac_flags & IEEE80211_TX_RC_SHORT_GI) ||
tbl_type.is_ht40 != !!(mac_flags & IEEE80211_TX_RC_40_MHZ_WIDTH) ||
tbl_type.is_dup != !!(mac_flags & IEEE80211_TX_RC_DUP_DATA) ||
tbl_type.ant_type != info->antenna_sel_tx ||
!!(tx_rate & RATE_MCS_HT_MSK) != !!(mac_flags & IEEE80211_TX_RC_MCS) ||
!!(tx_rate & RATE_MCS_GF_MSK) != !!(mac_flags & IEEE80211_TX_RC_GREEN_FIELD) ||
- rs_index != mac_index) {
+ rs_idx != mac_idx) {
D_RATE(
"initial rate %d does not match %d (0x%x)\n",
- mac_index, rs_index, tx_rate);
+ mac_idx, rs_idx, tx_rate);
/*
* Since rates mis-match, the last LQ command may have failed.
* After IL_MISSED_RATE_MAX mis-matches, resync the uCode with
* aggregated.
*
* For aggregation, all packets were transmitted at the same rate, the
- * first index into rate scale table.
+ * first idx into rate scale table.
*/
if (info->flags & IEEE80211_TX_STAT_AMPDU) {
tx_rate = le32_to_cpu(table->rs_table[0].rate_n_flags);
il4965_rs_get_tbl_info_from_mcs(tx_rate, il->band, &tbl_type,
- &rs_index);
- il4965_rs_collect_tx_data(curr_tbl, rs_index,
+ &rs_idx);
+ il4965_rs_collect_tx_data(curr_tbl, rs_idx,
info->status.ampdu_len,
info->status.ampdu_ack_len);
for (i = 0; i <= retries; ++i) {
tx_rate = le32_to_cpu(table->rs_table[i].rate_n_flags);
il4965_rs_get_tbl_info_from_mcs(tx_rate, il->band,
- &tbl_type, &rs_index);
+ &tbl_type, &rs_idx);
/*
* Only collect stats if retried rate is in the same RS
* table as active/search.
tmp_tbl = other_tbl;
else
continue;
- il4965_rs_collect_tx_data(tmp_tbl, rs_index, 1,
+ il4965_rs_collect_tx_data(tmp_tbl, rs_idx, 1,
i < retries ? 0 : legacy_success);
}
static s32 il4965_rs_get_best_rate(struct il_priv *il,
struct il_lq_sta *lq_sta,
struct il_scale_tbl_info *tbl, /* "search" */
- u16 rate_mask, s8 index)
+ u16 rate_mask, s8 idx)
{
/* "active" values */
struct il_scale_tbl_info *active_tbl =
&(lq_sta->lq_info[lq_sta->active_tbl]);
- s32 active_sr = active_tbl->win[index].success_ratio;
- s32 active_tpt = active_tbl->expected_tpt[index];
+ s32 active_sr = active_tbl->win[idx].success_ratio;
+ s32 active_tpt = active_tbl->expected_tpt[idx];
/* expected "search" throughput */
s32 *tpt_tbl = tbl->expected_tpt;
s32 new_rate, high, low, start_hi;
u16 high_low;
- s8 rate = index;
+ s8 rate = idx;
new_rate = high = low = start_hi = RATE_INVALID;
struct il_lq_sta *lq_sta,
struct ieee80211_conf *conf,
struct ieee80211_sta *sta,
- struct il_scale_tbl_info *tbl, int index)
+ struct il_scale_tbl_info *tbl, int idx)
{
u16 rate_mask;
s32 rate;
il4965_rs_set_expected_tpt_table(lq_sta, tbl);
- rate = il4965_rs_get_best_rate(il, lq_sta, tbl, rate_mask, index);
+ rate = il4965_rs_get_best_rate(il, lq_sta, tbl, rate_mask, idx);
D_RATE("LQ: MIMO2 best rate %d mask %X\n",
rate, rate_mask);
if (rate == RATE_INVALID || !((1 << rate) & rate_mask)) {
D_RATE(
- "Can't switch with index %d rate mask %x\n",
+ "Can't switch with idx %d rate mask %x\n",
rate, rate_mask);
return -1;
}
tbl->current_rate = il4965_rate_n_flags_from_tbl(il,
tbl, rate, is_green);
- D_RATE("LQ: Switch to new mcs %X index is green %X\n",
+ D_RATE("LQ: Switch to new mcs %X idx is green %X\n",
tbl->current_rate, is_green);
return 0;
}
struct il_lq_sta *lq_sta,
struct ieee80211_conf *conf,
struct ieee80211_sta *sta,
- struct il_scale_tbl_info *tbl, int index)
+ struct il_scale_tbl_info *tbl, int idx)
{
u16 rate_mask;
u8 is_green = lq_sta->is_green;
tbl->is_SGI = 0; /*11n spec: no SGI in SISO+Greenfield*/
il4965_rs_set_expected_tpt_table(lq_sta, tbl);
- rate = il4965_rs_get_best_rate(il, lq_sta, tbl, rate_mask, index);
+ rate = il4965_rs_get_best_rate(il, lq_sta, tbl, rate_mask, idx);
D_RATE("LQ: get best rate %d mask %X\n", rate, rate_mask);
if (rate == RATE_INVALID || !((1 << rate) & rate_mask)) {
D_RATE(
- "can not switch with index %d rate mask %x\n",
+ "can not switch with idx %d rate mask %x\n",
rate, rate_mask);
return -1;
}
tbl->current_rate = il4965_rate_n_flags_from_tbl(il,
tbl, rate, is_green);
- D_RATE("LQ: Switch to new mcs %X index is green %X\n",
+ D_RATE("LQ: Switch to new mcs %X idx is green %X\n",
tbl->current_rate, is_green);
return 0;
}
struct il_lq_sta *lq_sta,
struct ieee80211_conf *conf,
struct ieee80211_sta *sta,
- int index)
+ int idx)
{
struct il_scale_tbl_info *tbl = &(lq_sta->lq_info[lq_sta->active_tbl]);
struct il_scale_tbl_info *search_tbl =
&(lq_sta->lq_info[(1 - lq_sta->active_tbl)]);
- struct il_rate_scale_data *win = &(tbl->win[index]);
+ struct il_rate_scale_data *win = &(tbl->win[idx]);
u32 sz = (sizeof(struct il_scale_tbl_info) -
(sizeof(struct il_rate_scale_data) * RATE_COUNT));
u8 start_action;
memcpy(search_tbl, tbl, sz);
search_tbl->is_SGI = 0;
ret = il4965_rs_switch_to_siso(il, lq_sta, conf, sta,
- search_tbl, index);
+ search_tbl, idx);
if (!ret) {
lq_sta->action_counter = 0;
goto out;
ret = il4965_rs_switch_to_mimo2(il, lq_sta,
conf, sta,
- search_tbl, index);
+ search_tbl, idx);
if (!ret) {
lq_sta->action_counter = 0;
goto out;
static int il4965_rs_move_siso_to_other(struct il_priv *il,
struct il_lq_sta *lq_sta,
struct ieee80211_conf *conf,
- struct ieee80211_sta *sta, int index)
+ struct ieee80211_sta *sta, int idx)
{
u8 is_green = lq_sta->is_green;
struct il_scale_tbl_info *tbl = &(lq_sta->lq_info[lq_sta->active_tbl]);
struct il_scale_tbl_info *search_tbl =
&(lq_sta->lq_info[(1 - lq_sta->active_tbl)]);
- struct il_rate_scale_data *win = &(tbl->win[index]);
+ struct il_rate_scale_data *win = &(tbl->win[idx]);
struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
u32 sz = (sizeof(struct il_scale_tbl_info) -
(sizeof(struct il_rate_scale_data) * RATE_COUNT));
ret = il4965_rs_switch_to_mimo2(il, lq_sta,
conf, sta,
- search_tbl, index);
+ search_tbl, idx);
if (!ret)
goto out;
break;
il4965_rs_set_expected_tpt_table(lq_sta, search_tbl);
if (tbl->is_SGI) {
s32 tpt = lq_sta->last_tpt / 100;
- if (tpt >= search_tbl->expected_tpt[index])
+ if (tpt >= search_tbl->expected_tpt[idx])
break;
}
search_tbl->current_rate =
il4965_rate_n_flags_from_tbl(il, search_tbl,
- index, is_green);
+ idx, is_green);
update_search_tbl_counter = 1;
goto out;
}
static int il4965_rs_move_mimo2_to_other(struct il_priv *il,
struct il_lq_sta *lq_sta,
struct ieee80211_conf *conf,
- struct ieee80211_sta *sta, int index)
+ struct ieee80211_sta *sta, int idx)
{
s8 is_green = lq_sta->is_green;
struct il_scale_tbl_info *tbl = &(lq_sta->lq_info[lq_sta->active_tbl]);
struct il_scale_tbl_info *search_tbl =
&(lq_sta->lq_info[(1 - lq_sta->active_tbl)]);
- struct il_rate_scale_data *win = &(tbl->win[index]);
+ struct il_rate_scale_data *win = &(tbl->win[idx]);
struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
u32 sz = (sizeof(struct il_scale_tbl_info) -
(sizeof(struct il_rate_scale_data) * RATE_COUNT));
ret = il4965_rs_switch_to_siso(il, lq_sta,
conf, sta,
- search_tbl, index);
+ search_tbl, idx);
if (!ret)
goto out;
*/
if (tbl->is_SGI) {
s32 tpt = lq_sta->last_tpt / 100;
- if (tpt >= search_tbl->expected_tpt[index])
+ if (tpt >= search_tbl->expected_tpt[idx])
break;
}
search_tbl->current_rate =
il4965_rate_n_flags_from_tbl(il, search_tbl,
- index, is_green);
+ idx, is_green);
update_search_tbl_counter = 1;
goto out;
struct il_rxon_context *ctx,
struct il_lq_sta *lq_sta,
struct il_scale_tbl_info *tbl,
- int index, u8 is_green)
+ int idx, u8 is_green)
{
u32 rate;
/* Update uCode's rate table. */
- rate = il4965_rate_n_flags_from_tbl(il, tbl, index, is_green);
+ rate = il4965_rate_n_flags_from_tbl(il, tbl, idx, is_green);
il4965_rs_fill_link_cmd(il, lq_sta, rate);
il_send_lq_cmd(il, ctx, &lq_sta->lq, CMD_ASYNC, false);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
int low = RATE_INVALID;
int high = RATE_INVALID;
- int index;
+ int idx;
int i;
struct il_rate_scale_data *win = NULL;
int current_tpt = IL_INVALID_VALUE;
u16 rate_mask;
u8 update_lq = 0;
struct il_scale_tbl_info *tbl, *tbl1;
- u16 rate_scale_index_msk = 0;
+ u16 rate_scale_idx_msk = 0;
u32 rate;
u8 is_green = 0;
u8 active_tbl = 0;
is_green = lq_sta->is_green;
/* current tx rate */
- index = lq_sta->last_txrate_idx;
+ idx = lq_sta->last_txrate_idx;
- D_RATE("Rate scale index %d for type %d\n", index,
+ D_RATE("Rate scale idx %d for type %d\n", idx,
tbl->lq_type);
/* rates available for this association, and for modulation mode */
if (is_legacy(tbl->lq_type)) {
if (lq_sta->band == IEEE80211_BAND_5GHZ)
/* supp_rates has no CCK bits in A mode */
- rate_scale_index_msk = (u16) (rate_mask &
+ rate_scale_idx_msk = (u16) (rate_mask &
(lq_sta->supp_rates << IL_FIRST_OFDM_RATE));
else
- rate_scale_index_msk = (u16) (rate_mask &
+ rate_scale_idx_msk = (u16) (rate_mask &
lq_sta->supp_rates);
} else
- rate_scale_index_msk = rate_mask;
+ rate_scale_idx_msk = rate_mask;
- if (!rate_scale_index_msk)
- rate_scale_index_msk = rate_mask;
+ if (!rate_scale_idx_msk)
+ rate_scale_idx_msk = rate_mask;
- if (!((1 << index) & rate_scale_index_msk)) {
+ if (!((1 << idx) & rate_scale_idx_msk)) {
IL_ERR("Current Rate is not valid\n");
if (lq_sta->search_better_tbl) {
/* revert to active table if search table is not valid*/
lq_sta->search_better_tbl = 0;
tbl = &(lq_sta->lq_info[lq_sta->active_tbl]);
/* get "active" rate info */
- index = il4965_hwrate_to_plcp_idx(tbl->current_rate);
+ idx = il4965_hwrate_to_plcp_idx(tbl->current_rate);
rate = il4965_rs_update_rate_tbl(il, ctx, lq_sta,
- tbl, index, is_green);
+ tbl, idx, is_green);
}
return;
}
/* force user max rate if set by user */
if (lq_sta->max_rate_idx != -1 &&
- lq_sta->max_rate_idx < index) {
- index = lq_sta->max_rate_idx;
+ lq_sta->max_rate_idx < idx) {
+ idx = lq_sta->max_rate_idx;
update_lq = 1;
- win = &(tbl->win[index]);
+ win = &(tbl->win[idx]);
goto lq_update;
}
- win = &(tbl->win[index]);
+ win = &(tbl->win[idx]);
/*
* If there is not enough history to calculate actual average
if (fail_count < RATE_MIN_FAILURE_TH &&
win->success_counter < RATE_MIN_SUCCESS_TH) {
D_RATE("LQ: still below TH. succ=%d total=%d "
- "for index %d\n",
- win->success_counter, win->counter, index);
+ "for idx %d\n",
+ win->success_counter, win->counter, idx);
/* Can't calculate this yet; not enough history */
win->average_tpt = IL_INVALID_VALUE;
/* Else we have enough samples; calculate estimate of
* actual average throughput */
if (win->average_tpt != ((win->success_ratio *
- tbl->expected_tpt[index] + 64) / 128)) {
+ tbl->expected_tpt[idx] + 64) / 128)) {
IL_ERR(
"expected_tpt should have been calculated by now\n");
win->average_tpt = ((win->success_ratio *
- tbl->expected_tpt[index] + 64) / 128);
+ tbl->expected_tpt[idx] + 64) / 128);
}
/* If we are searching for better modulation mode, check success. */
tbl = &(lq_sta->lq_info[active_tbl]);
/* Revert to "active" rate and throughput info */
- index = il4965_hwrate_to_plcp_idx(tbl->current_rate);
+ idx = il4965_hwrate_to_plcp_idx(tbl->current_rate);
current_tpt = lq_sta->last_tpt;
/* Need to set up a new rate table in uCode */
/* (Else) not in search of better modulation mode, try for better
* starting rate, while staying in this mode. */
- high_low = il4965_rs_get_adjacent_rate(il, index,
- rate_scale_index_msk,
+ high_low = il4965_rs_get_adjacent_rate(il, idx,
+ rate_scale_idx_msk,
tbl->lq_type);
low = high_low & 0xff;
high = (high_low >> 8) & 0xff;
/* Decrease starting rate, update uCode's rate table */
if (low != RATE_INVALID) {
update_lq = 1;
- index = low;
+ idx = low;
}
break;
/* Increase starting rate, update uCode's rate table */
if (high != RATE_INVALID) {
update_lq = 1;
- index = high;
+ idx = high;
}
break;
break;
}
- D_RATE("choose rate scale index %d action %d low %d "
+ D_RATE("choose rate scale idx %d action %d low %d "
"high %d type %d\n",
- index, scale_action, low, high, tbl->lq_type);
+ idx, scale_action, low, high, tbl->lq_type);
lq_update:
/* Replace uCode's rate table for the destination station. */
if (update_lq)
rate = il4965_rs_update_rate_tbl(il, ctx, lq_sta,
- tbl, index, is_green);
+ tbl, idx, is_green);
/* Should we stay with this modulation mode,
* or search for a new one? */
* If one is found, set up the new "search" table. */
if (is_legacy(tbl->lq_type))
il4965_rs_move_legacy_other(il, lq_sta,
- conf, sta, index);
+ conf, sta, idx);
else if (is_siso(tbl->lq_type))
il4965_rs_move_siso_to_other(il, lq_sta,
- conf, sta, index);
+ conf, sta, idx);
else /* (is_mimo2(tbl->lq_type)) */
il4965_rs_move_mimo2_to_other(il, lq_sta,
- conf, sta, index);
+ conf, sta, idx);
/* If new "search" mode was selected, set up in uCode table */
if (lq_sta->search_better_tbl) {
&(tbl->win[i]));
/* Use new "search" start rate */
- index = il4965_hwrate_to_plcp_idx(tbl->current_rate);
+ idx = il4965_hwrate_to_plcp_idx(tbl->current_rate);
D_RATE(
- "Switch current mcs: %X index: %d\n",
- tbl->current_rate, index);
+ "Switch current mcs: %X idx: %d\n",
+ tbl->current_rate, idx);
il4965_rs_fill_link_cmd(il, lq_sta,
tbl->current_rate);
il_send_lq_cmd(il, ctx,
out:
tbl->current_rate = il4965_rate_n_flags_from_tbl(il, tbl,
- index, is_green);
- i = index;
+ idx, is_green);
+ i = idx;
lq_sta->last_txrate_idx = i;
}
if (lq_sta->last_rate_n_flags & RATE_MCS_HT_MSK) {
rate_idx -= IL_FIRST_OFDM_RATE;
- /* 6M and 9M shared same MCS index */
+ /* 6M and 9M shared same MCS idx */
rate_idx = (rate_idx > 0) ? (rate_idx - 1) : 0;
if (il4965_rs_extract_rate(lq_sta->last_rate_n_flags) >=
RATE_MIMO2_6M_PLCP)
(sband->band == IEEE80211_BAND_5GHZ &&
rate_idx < IL_FIRST_OFDM_RATE))
rate_idx = rate_lowest_index(sband, sta);
- /* On valid 5 GHz rate, adjust index */
+ /* On valid 5 GHz rate, adjust idx */
else if (sband->band == IEEE80211_BAND_5GHZ)
rate_idx -= IL_FIRST_OFDM_RATE;
info->control.rates[0].flags = 0;
struct il_lq_sta *lq_sta, u32 new_rate)
{
struct il_scale_tbl_info tbl_type;
- int index = 0;
+ int idx = 0;
int rate_idx;
int repeat_rate = 0;
u8 ant_toggle_cnt = 0;
u8 valid_tx_ant = 0;
struct il_link_quality_cmd *lq_cmd = &lq_sta->lq;
- /* Override starting rate (index 0) if needed for debug purposes */
- il4965_rs_dbgfs_set_mcs(lq_sta, &new_rate, index);
+ /* Override starting rate (idx 0) if needed for debug purposes */
+ il4965_rs_dbgfs_set_mcs(lq_sta, &new_rate, idx);
/* Interpret new_rate (rate_n_flags) */
il4965_rs_get_tbl_info_from_mcs(new_rate, lq_sta->band,
lq_cmd->general_params.mimo_delimiter =
is_mimo(tbl_type.lq_type) ? 1 : 0;
- /* Fill 1st table entry (index 0) */
- lq_cmd->rs_table[index].rate_n_flags = cpu_to_le32(new_rate);
+ /* Fill 1st table entry (idx 0) */
+ lq_cmd->rs_table[idx].rate_n_flags = cpu_to_le32(new_rate);
if (il4965_num_of_ant(tbl_type.ant_type) == 1) {
lq_cmd->general_params.single_stream_ant_msk =
tbl_type.ant_type;
} /* otherwise we don't modify the existing value */
- index++;
+ idx++;
repeat_rate--;
if (il)
valid_tx_ant = il->hw_params.valid_tx_ant;
/* Fill rest of rate table */
- while (index < LINK_QUAL_MAX_RETRY_NUM) {
+ while (idx < LINK_QUAL_MAX_RETRY_NUM) {
/* Repeat initial/next rate.
* For legacy IL_NUMBER_TRY == 1, this loop will not execute.
* For HT IL_HT_NUMBER_TRY == 3, this executes twice. */
- while (repeat_rate > 0 && index < LINK_QUAL_MAX_RETRY_NUM) {
+ while (repeat_rate > 0 && idx < LINK_QUAL_MAX_RETRY_NUM) {
if (is_legacy(tbl_type.lq_type)) {
if (ant_toggle_cnt < NUM_TRY_BEFORE_ANT_TOGGLE)
ant_toggle_cnt++;
}
/* Override next rate if needed for debug purposes */
- il4965_rs_dbgfs_set_mcs(lq_sta, &new_rate, index);
+ il4965_rs_dbgfs_set_mcs(lq_sta, &new_rate, idx);
/* Fill next table entry */
- lq_cmd->rs_table[index].rate_n_flags =
+ lq_cmd->rs_table[idx].rate_n_flags =
cpu_to_le32(new_rate);
repeat_rate--;
- index++;
+ idx++;
}
il4965_rs_get_tbl_info_from_mcs(new_rate,
* If initial rate was MIMO, this will finally end up
* as (IL_HT_NUMBER_TRY * 2), after 2nd pass, otherwise 0. */
if (is_mimo(tbl_type.lq_type))
- lq_cmd->general_params.mimo_delimiter = index;
+ lq_cmd->general_params.mimo_delimiter = idx;
/* Get next rate */
new_rate = il4965_rs_get_lower_rate(lq_sta,
use_ht_possible = 0;
/* Override next rate if needed for debug purposes */
- il4965_rs_dbgfs_set_mcs(lq_sta, &new_rate, index);
+ il4965_rs_dbgfs_set_mcs(lq_sta, &new_rate, idx);
/* Fill next table entry */
- lq_cmd->rs_table[index].rate_n_flags = cpu_to_le32(new_rate);
+ lq_cmd->rs_table[idx].rate_n_flags = cpu_to_le32(new_rate);
- index++;
+ idx++;
repeat_rate--;
}
return 0;
}
static void il4965_rs_dbgfs_set_mcs(struct il_lq_sta *lq_sta,
- u32 *rate_n_flags, int index)
+ u32 *rate_n_flags, int idx)
{
struct il_priv *il;
u8 valid_tx_ant;
char *buff;
int desc = 0;
int i = 0;
- int index = 0;
+ int idx = 0;
ssize_t ret;
struct il_lq_sta *lq_sta = file->private_data;
desc += sprintf(buff+desc,
"Start idx [0]=0x%x [1]=0x%x [2]=0x%x [3]=0x%x\n",
- lq_sta->lq.general_params.start_rate_index[0],
- lq_sta->lq.general_params.start_rate_index[1],
- lq_sta->lq.general_params.start_rate_index[2],
- lq_sta->lq.general_params.start_rate_index[3]);
+ lq_sta->lq.general_params.start_rate_idx[0],
+ lq_sta->lq.general_params.start_rate_idx[1],
+ lq_sta->lq.general_params.start_rate_idx[2],
+ lq_sta->lq.general_params.start_rate_idx[3]);
for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) {
- index = il4965_hwrate_to_plcp_idx(
+ idx = il4965_hwrate_to_plcp_idx(
le32_to_cpu(lq_sta->lq.rs_table[i].rate_n_flags));
if (is_legacy(tbl->lq_type)) {
desc += sprintf(buff+desc, " rate[%d] 0x%X %smbps\n",
i,
le32_to_cpu(lq_sta->lq.rs_table[i].rate_n_flags),
- il_rate_mcs[index].mbps);
+ il_rate_mcs[idx].mbps);
} else {
desc += sprintf(buff+desc,
" rate[%d] 0x%X %smbps (%s)\n",
i,
le32_to_cpu(lq_sta->lq.rs_table[i].rate_n_flags),
- il_rate_mcs[index].mbps, il_rate_mcs[index].mcs);
+ il_rate_mcs[idx].mbps, il_rate_mcs[idx].mcs);
}
}
(sizeof(struct il_wep_key) * WEP_KEYS_MAX));
for (i = 0; i < WEP_KEYS_MAX ; i++) {
- wep_cmd->key[i].key_index = i;
+ wep_cmd->key[i].key_idx = i;
if (ctx->wep_keys[i].key_size) {
wep_cmd->key[i].key_offset = i;
not_empty = 1;
if ((il->stations[sta_id].sta.key.key_flags & STA_KEY_FLG_ENCRYPT_MSK)
== STA_KEY_FLG_NO_ENC)
il->stations[sta_id].sta.key.key_offset =
- il_get_free_ucode_key_index(il);
+ il_get_free_ucode_key_idx(il);
/* else, we are overriding an existing key => no need to allocated room
* in uCode. */
if ((il->stations[sta_id].sta.key.key_flags & STA_KEY_FLG_ENCRYPT_MSK)
== STA_KEY_FLG_NO_ENC)
il->stations[sta_id].sta.key.key_offset =
- il_get_free_ucode_key_index(il);
+ il_get_free_ucode_key_idx(il);
/* else, we are overriding an existing key => no need to allocated room
* in uCode. */
if ((il->stations[sta_id].sta.key.key_flags & STA_KEY_FLG_ENCRYPT_MSK)
== STA_KEY_FLG_NO_ENC)
il->stations[sta_id].sta.key.key_offset =
- il_get_free_ucode_key_index(il);
+ il_get_free_ucode_key_idx(il);
/* else, we are overriding an existing key => no need to allocated room
* in uCode. */
keyconf->keyidx, sta_id);
if (keyconf->keyidx != keyidx) {
- /* We need to remove a key with index different that the one
+ /* We need to remove a key with idx different that the one
* in the uCode. This means that the key we need to remove has
- * been replaced by another one with different index.
+ * been replaced by another one with different idx.
* Don't do anything and return ok
*/
spin_unlock_irqrestore(&il->sta_lock, flags);
if (!test_and_clear_bit(il->stations[sta_id].sta.key.key_offset,
&il->ucode_key_table))
- IL_ERR("index %d not used in uCode key table.\n",
+ IL_ERR("idx %d not used in uCode key table.\n",
il->stations[sta_id].sta.key.key_offset);
memset(&il->stations[sta_id].keyinfo, 0,
sizeof(struct il_hw_key));
/* DATA packets will use the uCode station table for rate/antenna
* selection */
if (ieee80211_is_data(fc)) {
- tx_cmd->initial_rate_index = 0;
+ tx_cmd->initial_rate_idx = 0;
tx_cmd->tx_flags |= TX_CMD_FLG_STA_RATE_MSK;
return;
}
* If the current TX rate stored in mac80211 has the MCS bit set, it's
* not really a TX rate. Thus, we use the lowest supported rate for
* this band. Also use the lowest supported rate if the stored rate
- * index is invalid.
+ * idx is invalid.
*/
rate_idx = info->control.rates[0].idx;
if ((info->control.rates[0].flags & IEEE80211_TX_RC_MCS) ||
if (!ieee80211_is_data(fc))
sta_id = ctx->bcast_sta_id;
else {
- /* Find index into station table for destination station */
+ /* Find idx into station table for destination station */
sta_id = il_sta_id_or_broadcast(il, ctx, info->control.sta);
if (sta_id == IL_INVALID_STATION) {
/*
* Set up the Tx-command (not MAC!) header.
- * Store the chosen Tx queue and TFD index within the sequence field;
+ * Store the chosen Tx queue and TFD idx within the sequence field;
* after Tx, uCode's Tx response will return this value so driver can
* locate the frame within the tx queue and do post-tx processing.
*/
pci_dma_sync_single_for_device(il->pci_dev, txcmd_phys,
firstlen, PCI_DMA_BIDIRECTIONAL);
- /* Tell device the write index *just past* this latest filled TFD */
+ /* Tell device the write idx *just past* this latest filled TFD */
q->write_ptr = il_queue_inc_wrap(q->write_ptr, q->n_bd);
il_txq_update_write_ptr(il, txq);
spin_unlock_irqrestore(&il->lock, flags);
/* Set this queue as a chain-building queue */
il_set_bits_prph(il, IL49_SCD_QUEUECHAIN_SEL, (1 << txq_id));
- /* Place first TFD at index corresponding to start sequence number.
+ /* Place first TFD at idx corresponding to start sequence number.
* Assumes that ssn_idx is valid (!= 0xFFF) */
il->txq[txq_id].q.read_ptr = (ssn_idx & 0xff);
il->txq[txq_id].q.write_ptr = (ssn_idx & 0xff);
ieee80211_tx_status_irqsafe(il->hw, tx_info->skb);
}
-int il4965_tx_queue_reclaim(struct il_priv *il, int txq_id, int index)
+int il4965_tx_queue_reclaim(struct il_priv *il, int txq_id, int idx)
{
struct il_tx_queue *txq = &il->txq[txq_id];
struct il_queue *q = &txq->q;
int nfreed = 0;
struct ieee80211_hdr *hdr;
- if (index >= q->n_bd || il_queue_used(q, index) == 0) {
- IL_ERR("Read index for DMA queue txq id (%d), index %d, "
+ if (idx >= q->n_bd || il_queue_used(q, idx) == 0) {
+ IL_ERR("Read idx for DMA queue txq id (%d), idx %d, "
"is out of range [0-%d] %d %d.\n", txq_id,
- index, q->n_bd, q->write_ptr, q->read_ptr);
+ idx, q->n_bd, q->write_ptr, q->read_ptr);
return 0;
}
- for (index = il_queue_inc_wrap(index, q->n_bd);
- q->read_ptr != index;
+ for (idx = il_queue_inc_wrap(idx, q->n_bd);
+ q->read_ptr != idx;
q->read_ptr = il_queue_inc_wrap(q->read_ptr, q->n_bd)) {
tx_info = &txq->txb[txq->q.read_ptr];
struct il_compressed_ba_resp *ba_resp = &pkt->u.compressed_ba;
struct il_tx_queue *txq = NULL;
struct il_ht_agg *agg;
- int index;
+ int idx;
int sta_id;
int tid;
unsigned long flags;
/* "flow" corresponds to Tx queue */
u16 scd_flow = le16_to_cpu(ba_resp->scd_flow);
- /* "ssn" is start of block-ack Tx win, corresponds to index
+ /* "ssn" is start of block-ack Tx win, corresponds to idx
* (in Tx queue's circular buffer) of first TFD/frame in win */
u16 ba_resp_scd_ssn = le16_to_cpu(ba_resp->scd_ssn);
return;
}
- /* Find index just before block-ack win */
- index = il_queue_dec_wrap(ba_resp_scd_ssn & 0xff, txq->q.n_bd);
+ /* Find idx just before block-ack win */
+ idx = il_queue_dec_wrap(ba_resp_scd_ssn & 0xff, txq->q.n_bd);
spin_lock_irqsave(&il->sta_lock, flags);
* transmitted ... if not, it's too late anyway). */
if (txq->q.read_ptr != (ba_resp_scd_ssn & 0xff)) {
/* calculate mac80211 ampdu sw queue to wake */
- int freed = il4965_tx_queue_reclaim(il, scd_flow, index);
+ int freed = il4965_tx_queue_reclaim(il, scd_flow, idx);
il4965_free_tfds_in_queue(il, sta_id, tid, freed);
if (il_queue_space(&txq->q) > txq->q.low_mark &&
* il4965_get_voltage_compensation - Power supply voltage comp for txpower
*
* Determines power supply voltage compensation for txpower calculations.
- * Returns number of 1/2-dB steps to subtract from gain table index,
+ * Returns number of 1/2-dB steps to subtract from gain table idx,
* to compensate for difference between power supply voltage during
* factory measurements, vs. current power supply voltage.
*
* Voltage indication is higher for lower voltage.
- * Lower voltage requires more gain (lower gain table index).
+ * Lower voltage requires more gain (lower gain table idx).
*/
static s32 il4965_get_voltage_compensation(s32 eeprom_voltage,
s32 current_voltage)
{3, 1} /* group 4 2.4, ch all */
};
-static s32 get_min_power_index(s32 rate_power_index, u32 band)
+static s32 get_min_power_idx(s32 rate_power_idx, u32 band)
{
if (!band) {
- if ((rate_power_index & 7) <= 4)
+ if ((rate_power_idx & 7) <= 4)
return MIN_TX_GAIN_IDX_52GHZ_EXT;
}
return MIN_TX_GAIN_IDX;
};
static const struct gain_entry gain_table[2][108] = {
- /* 5.2GHz power gain index table */
+ /* 5.2GHz power gain idx table */
{
{123, 0x3F}, /* highest txpower */
{117, 0x3F},
{83, 0x00},
{78, 0x00},
},
- /* 2.4GHz power gain index table */
+ /* 2.4GHz power gain idx table */
{
{110, 0x3f}, /* highest txpower */
{104, 0x3f},
s32 degrees_per_05db_denom;
s32 factory_temp;
s32 temperature_comp[2];
- s32 factory_gain_index[2];
+ s32 factory_gain_idx[2];
s32 factory_actual_pwr[2];
- s32 power_index;
+ s32 power_idx;
/* tx_power_user_lmt is in dBm, convert to half-dBm (half-dB units
- * are used for indexing into txpower table) */
+ * are used for idxing into txpower table) */
user_target_power = 2 * il->tx_power_user_lmt;
/* Get current (RXON) channel, band, width */
degrees_per_05db_num,
&temperature_comp[c]);
- factory_gain_index[c] = measurement->gain_idx;
+ factory_gain_idx[c] = measurement->gain_idx;
factory_actual_pwr[c] = measurement->actual_pow;
D_TXPOWER("chain = %d\n", c);
temperature_comp[c]);
D_TXPOWER("fctry idx %d, fctry pwr %d\n",
- factory_gain_index[c],
+ factory_gain_idx[c],
factory_actual_pwr[c]);
}
else
atten_value = 0;
- /* calculate index; higher index means lower txpower */
- power_index = (u8) (factory_gain_index[c] -
+ /* calculate idx; higher idx means lower txpower */
+ power_idx = (u8) (factory_gain_idx[c] -
(target_power -
factory_actual_pwr[c]) -
temperature_comp[c] -
voltage_compensation +
atten_value);
-/* D_TXPOWER("calculated txpower index %d\n",
- power_index); */
+/* D_TXPOWER("calculated txpower idx %d\n",
+ power_idx); */
- if (power_index < get_min_power_index(i, band))
- power_index = get_min_power_index(i, band);
+ if (power_idx < get_min_power_idx(i, band))
+ power_idx = get_min_power_idx(i, band);
- /* adjust 5 GHz index to support negative indexes */
+ /* adjust 5 GHz idx to support negative idxes */
if (!band)
- power_index += 9;
+ power_idx += 9;
/* CCK, rate 32, reduce txpower for CCK */
if (i == POWER_TABLE_CCK_ENTRY)
- power_index +=
+ power_idx +=
IL_TX_POWER_CCK_COMPENSATION_C_STEP;
/* stay within the table! */
- if (power_index > 107) {
- IL_WARN("txpower index %d > 107\n",
- power_index);
- power_index = 107;
+ if (power_idx > 107) {
+ IL_WARN("txpower idx %d > 107\n",
+ power_idx);
+ power_idx = 107;
}
- if (power_index < 0) {
- IL_WARN("txpower index %d < 0\n",
- power_index);
- power_index = 0;
+ if (power_idx < 0) {
+ IL_WARN("txpower idx %d < 0\n",
+ power_idx);
+ power_idx = 0;
}
/* fill txpower command for this rate/chain */
tx_power.s.radio_tx_gain[c] =
- gain_table[band][power_index].radio;
+ gain_table[band][power_idx].radio;
tx_power.s.dsp_predis_atten[c] =
- gain_table[band][power_index].dsp;
+ gain_table[band][power_idx].dsp;
- D_TXPOWER("chain %d mimo %d index %d "
+ D_TXPOWER("chain %d mimo %d idx %d "
"gain 0x%02x dsp %d\n",
- c, atten_value, power_index,
+ c, atten_value, power_idx,
tx_power.s.radio_tx_gain[c],
tx_power.s.dsp_predis_atten[c]);
} /* for each chain */
struct il_rx_pkt *pkt = rxb_addr(rxb);
u16 sequence = le16_to_cpu(pkt->hdr.sequence);
int txq_id = SEQ_TO_QUEUE(sequence);
- int index = SEQ_TO_IDX(sequence);
+ int idx = SEQ_TO_IDX(sequence);
struct il_tx_queue *txq = &il->txq[txq_id];
struct ieee80211_hdr *hdr;
struct ieee80211_tx_info *info;
u8 *qc = NULL;
unsigned long flags;
- if (index >= txq->q.n_bd || il_queue_used(&txq->q, index) == 0) {
- IL_ERR("Read index for DMA queue txq_id (%d) index %d "
+ if (idx >= txq->q.n_bd || il_queue_used(&txq->q, idx) == 0) {
+ IL_ERR("Read idx for DMA queue txq_id (%d) idx %d "
"is out of range [0-%d] %d %d\n", txq_id,
- index, txq->q.n_bd, txq->q.write_ptr,
+ idx, txq->q.n_bd, txq->q.write_ptr,
txq->q.read_ptr);
return;
}
info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb);
memset(&info->status, 0, sizeof(info->status));
- hdr = il_tx_queue_get_hdr(il, txq_id, index);
+ hdr = il_tx_queue_get_hdr(il, txq_id, idx);
if (ieee80211_is_data_qos(hdr->frame_control)) {
qc = ieee80211_get_qos_ctl(hdr);
tid = qc[0] & 0xf;
agg = &il->stations[sta_id].tid[tid].agg;
- il4965_tx_status_reply_tx(il, agg, tx_resp, txq_id, index);
+ il4965_tx_status_reply_tx(il, agg, tx_resp, txq_id, idx);
/* check if BAR is needed */
if ((tx_resp->frame_count == 1) && !il4965_is_tx_success(status))
info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
if (txq->q.read_ptr != (scd_ssn & 0xff)) {
- index = il_queue_dec_wrap(scd_ssn & 0xff,
+ idx = il_queue_dec_wrap(scd_ssn & 0xff,
txq->q.n_bd);
D_TX_REPLY("Retry scheduler reclaim scd_ssn "
- "%d index %d\n", scd_ssn , index);
- freed = il4965_tx_queue_reclaim(il, txq_id, index);
+ "%d idx %d\n", scd_ssn , idx);
+ freed = il4965_tx_queue_reclaim(il, txq_id, idx);
if (qc)
il4965_free_tfds_in_queue(il, sta_id,
tid, freed);
le32_to_cpu(tx_resp->rate_n_flags),
tx_resp->failure_frame);
- freed = il4965_tx_queue_reclaim(il, txq_id, index);
+ freed = il4965_tx_queue_reclaim(il, txq_id, idx);
if (qc && likely(sta_id != IL_INVALID_STATION))
il4965_free_tfds_in_queue(il, sta_id, tid, freed);
else if (sta_id == IL_INVALID_STATION)
int sta_id, u8 tid, int txq_id);
void il4965_rx_reply_compressed_ba(struct il_priv *il,
struct il_rx_buf *rxb);
-int il4965_tx_queue_reclaim(struct il_priv *il, int txq_id, int index);
+int il4965_tx_queue_reclaim(struct il_priv *il, int txq_id, int idx);
void il4965_hw_txq_ctx_free(struct il_priv *il);
int il4965_txq_ctx_alloc(struct il_priv *il);
void il4965_txq_ctx_reset(struct il_priv *il);
/*
* Acquire il->lock before calling this function !
*/
-void il4965_set_wr_ptrs(struct il_priv *il, int txq_id, u32 index);
+void il4965_set_wr_ptrs(struct il_priv *il, int txq_id, u32 idx);
/**
* il4965_tx_queue_set_status - (optionally) start Tx/Cmd queue
* @tx_fifo_id: Tx DMA/FIFO channel (range 0-7) that the queue will feed
*
* The Linux driver uses the following format:
*
- * 0:7 tfd index - position within TX queue
+ * 0:7 tfd idx - position within TX queue
* 8:12 TX queue id
* 13 reserved
* 14 huge - driver sets this to indicate command is in the
* __le32 log_size; log capacity (in number of entries)
* __le32 type; (1) timestamp with each entry, (0) no timestamp
* __le32 wraps; # times uCode has wrapped to top of circular buffer
- * __le32 write_index; next circular buffer entry that uCode would fill
+ * __le32 write_idx; next circular buffer entry that uCode would fill
*
* The header is followed by the circular buffer of log entries. Entries
* with timestamps have the following format:
#define STA_MODIFY_DELBA_TID_MSK 0x10
#define STA_MODIFY_SLEEP_TX_COUNT_MSK 0x20
-/* Receiver address (actually, Rx station's index into station table),
+/* Receiver address (actually, Rx station's idx into station table),
* combined with Traffic ID (QOS priority), in format used by Tx Scheduler */
#define BUILD_RAxTID(sta_id, tid) (((sta_id) << 4) + (tid))
/**
* struct sta_id_modify
* @addr[ETH_ALEN]: station's MAC address
- * @sta_id: index of station in uCode's station table
+ * @sta_id: idx of station in uCode's station table
* @modify_mask: STA_MODIFY_*, 1: modify, 0: don't change
*
- * Driver selects unused table index when adding new station,
- * or the index to a pre-existing station entry when modifying that station.
- * Some indexes have special purposes (IL_AP_ID, index 0, is for AP).
+ * Driver selects unused table idx when adding new station,
+ * or the idx to a pre-existing station entry when modifying that station.
+ * Some idxes have special purposes (IL_AP_ID, idx 0, is for AP).
*
* modify_mask flags select which parameters to modify vs. leave alone.
*/
* in the IL_AP_ID entry (1st entry in the table). BROADCAST and AP
* are all that are needed for a BSS client station. If the device is
* used as AP, or in an IBSS network, driver must set up station table
- * entries for all STAs in network, starting with index IL_STA_ID.
+ * entries for all STAs in network, starting with idx IL_STA_ID.
*/
struct il3945_addsta_cmd {
* REPLY_WEP_KEY = 0x20
*/
struct il_wep_key {
- u8 key_index;
+ u8 key_idx;
u8 key_offset;
u8 reserved1[2];
u8 key_size;
/* For 4965 devices:
* 1: Use rate scale table (see REPLY_TX_LINK_QUALITY_CMD).
- * Tx command's initial_rate_index indicates first rate to try;
+ * Tx command's initial_rate_idx indicates first rate to try;
* uCode walks through table for additional Tx attempts.
* 0: Use Tx rate/MCS from Tx command's rate_n_flags field.
* This rate will be used for all Tx attempts; it will not be scaled. */
* rate (via non-0 value) for special frames (e.g. management), while
* still supporting rate scaling for all frames.
*/
- u8 initial_rate_index;
+ u8 initial_rate_idx;
u8 reserved;
u8 key[16];
__le16 next_frame_flags;
struct il3945_rate_scaling_info {
__le16 rate_n_flags;
u8 try_cnt;
- u8 next_rate_index;
+ u8 next_rate_idx;
} __packed;
struct il3945_rate_scaling_cmd {
struct il_link_qual_general_params {
u8 flags;
- /* No entries at or above this (driver chosen) index contain MIMO */
+ /* No entries at or above this (driver chosen) idx contain MIMO */
u8 mimo_delimiter;
/* Best single antenna to use for single stream (legacy, SISO). */
/*
* If driver needs to use different initial rates for different
* EDCA QOS access categories (as implemented by tx fifos 0-3),
- * this table will set that up, by indicating the indexes in the
+ * this table will set that up, by indicating the idxes in the
* rs_table[LINK_QUAL_MAX_RETRY_NUM] rate table at which to start.
* Otherwise, driver should set all entries to 0.
*
* 0 = Background, 1 = Best Effort (normal), 2 = Video, 3 = Voice
* TX FIFOs above 3 use same value (typically 0) as TX FIFO 3.
*/
- u8 start_rate_index[LINK_QUAL_AC_NUM];
+ u8 start_rate_idx[LINK_QUAL_AC_NUM];
} __packed;
#define LINK_QUAL_AGG_TIME_LIMIT_DEF (4000) /* 4 milliseconds */
struct il_link_qual_agg_params agg_params;
/*
- * Rate info; when using rate-scaling, Tx command's initial_rate_index
- * specifies 1st Tx rate attempted, via index into this table.
+ * Rate info; when using rate-scaling, Tx command's initial_rate_idx
+ * specifies 1st Tx rate attempted, via idx into this table.
* 4965 devices works its way through table when retrying Tx.
*/
struct {
struct il_spectrum_notification {
u8 id; /* measurement id -- 0 or 1 */
u8 token;
- u8 channel_index; /* index in measurement channel list */
+ u8 channel_idx; /* idx in measurement channel list */
u8 state; /* 0 - start, 1 - stop */
__le32 start_time; /* lower 32-bits of TSF */
u8 band; /* 0 - 5.2GHz, 1 - 2.4GHz */
* Table entries in SENSITIVITY_CMD (struct il_sensitivity_cmd)
*/
#define HD_TABLE_SIZE (11) /* number of entries */
-#define HD_MIN_ENERGY_CCK_DET_IDX (0) /* table indexes */
+#define HD_MIN_ENERGY_CCK_DET_IDX (0) /* table idxes */
#define HD_MIN_ENERGY_OFDM_DET_IDX (1)
#define HD_AUTO_CORR32_X1_TH_ADD_MIN_IDX (2)
#define HD_AUTO_CORR32_X1_TH_ADD_MIN_MRC_IDX (3)
/**
* struct il_sensitivity_cmd
* @control: (1) updates working table, (0) updates default table
- * @table: energy threshold values, use HD_* as index into table
+ * @table: energy threshold values, use HD_* as idx into table
*
* Always use "1" in "control" to update uCode's working table and DSP.
*/
struct il_sensitivity_cmd {
__le16 control; /* always use "1" */
- __le16 table[HD_TABLE_SIZE]; /* use HD_* as index */
+ __le16 table[HD_TABLE_SIZE]; /* use HD_* as idx */
} __packed;
#define HBUS_TARG_PRPH_RDAT (HBUS_BASE+0x050)
/*
- * Per-Tx-queue write pointer (index, really!)
- * Indicates index to next TFD that driver will fill (1 past latest filled).
+ * Per-Tx-queue write pointer (idx, really!)
+ * Indicates idx to next TFD that driver will fill (1 past latest filled).
* Bit usage:
- * 0-7: queue write index
+ * 0-7: queue write idx
* 11-8: queue selector
*/
#define HBUS_TARG_WRPTR (HBUS_BASE+0x060)
*/
struct il_queue {
int n_bd; /* number of BDs in this queue */
- int write_ptr; /* 1-st empty entry (index) host_w*/
- int read_ptr; /* last used entry (index) host_r*/
+ int write_ptr; /* 1-st empty entry (idx) host_w*/
+ int read_ptr; /* last used entry (idx) host_r*/
/* use for monitoring and recovering the stuck queue */
dma_addr_t dma_addr; /* physical addr for BD's */
int n_win; /* safe queue win */
* @dma_addr_cmd: physical address of cmd/tx buffer array
* @txb: array of per-TFD driver data
* @time_stamp: time (in jiffies) of last read_ptr change
- * @need_update: indicates need to update read/write index
+ * @need_update: indicates need to update read/write idx
* @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
*
* A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
* -- hardware capabilities (clip-powers)
* -- spectrum management
* -- user preference (e.g. iwconfig)
- * when requested power is set, base power index must also be set. */
+ * when requested power is set, base power idx must also be set. */
struct il3945_channel_power_info {
struct il3945_tx_power tpc; /* actual radio and DSP gain settings */
- s8 power_table_index; /* actual (compenst'd) index into gain table */
- s8 base_power_index; /* gain index for power at factory temp. */
+ s8 power_table_idx; /* actual (compenst'd) idx into gain table */
+ s8 base_power_idx; /* gain idx for power at factory temp. */
s8 requested_power; /* power (dBm) requested for this chnl/rate */
};
* channel. */
struct il3945_scan_power_info {
struct il3945_tx_power tpc; /* actual radio and DSP gain settings */
- s8 power_table_index; /* actual (compenst'd) index into gain table */
+ s8 power_table_idx; /* actual (compenst'd) idx into gain table */
s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
};
s8 min_power; /* always 0 */
s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
- u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
- u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
+ u8 group_idx; /* 0-4, maps channel to group1/2/3/4/5 */
+ u8 band_idx; /* 0-4, maps channel to band1/2/3/4/5 */
enum ieee80211_band band;
/* HT40 channel info */
/* Radio/DSP gain settings for each "normal" data Tx rate.
* These include, in addition to RF and DSP gain, a few fields for
- * remembering/modifying gain settings (indexes). */
+ * remembering/modifying gain settings (idxes). */
struct il3945_channel_power_info power_info[IL4965_MAX_RATE];
/* Radio/DSP gain settings for each scan rate, for directed scans. */
* struct il_rx_queue - Rx queue
* @bd: driver's pointer to buffer of receive buffer descriptors (rbd)
* @bd_dma: bus address of buffer of receive buffer descriptors (rbd)
- * @read: Shared index to newest available Rx buffer
- * @write: Shared index to oldest written Rx packet
+ * @read: Shared idx to newest available Rx buffer
+ * @write: Shared idx to oldest written Rx packet
* @free_count: Number of pre-allocated buffers in rx_free
* @rx_free: list of free SKBs for use
* @rx_used: List of Rx buffers with no SKB
- * @need_update: flag to indicate we need to update read/write index
+ * @need_update: flag to indicate we need to update read/write idx
* @rb_stts: driver's pointer to receive buffer status
* @rb_stts_dma: bus address of receive buffer status
*
}
-static inline u8 il_get_cmd_index(struct il_queue *q, u32 index,
+static inline u8 il_get_cmd_idx(struct il_queue *q, u32 idx,
int is_huge)
{
/*
return q->n_win; /* must be power of 2 */
/* Otherwise, use normal size buffers */
- return index & (q->n_win - 1);
+ return idx & (q->n_win - 1);
}
struct il_force_reset force_reset;
/* we allocate array of il_channel_info for NIC's valid channels.
- * Access via channel # using indirect index array */
+ * Access via channel # using indirect idx array */
struct il_channel_info *channel_info; /* channel info array */
u8 channel_count; /* # of channels */
struct mac_address addresses[1];
/* uCode images, save to reload in case of failure */
- int fw_index; /* firmware we're trying to load */
+ int fw_idx; /* firmware we're trying to load */
u32 ucode_ver; /* version of ucode, copy of
il_ucode.ver */
struct fw_desc ucode_code; /* runtime inst */
* During init, we copy the eeprom information and channel map
* information into il->channel_info_24/52 and il->channel_map_24/52
*
- * channel_map_24/52 provides the index in the channel_info array for a
+ * channel_map_24/52 provides the idx in the channel_info array for a
* given channel. We have to have two separate maps as there is channel
* overlap with the 2.4GHz and 5.2GHz spectrum as seen in band_1 and
* band_2
static void il_init_band_reference(const struct il_priv *il,
int eep_band, int *eeprom_ch_count,
const struct il_eeprom_channel **eeprom_ch_info,
- const u8 **eeprom_ch_index)
+ const u8 **eeprom_ch_idx)
{
u32 offset = il->cfg->ops->lib->
eeprom_ops.regulatory_bands[eep_band - 1];
*eeprom_ch_count = ARRAY_SIZE(il_eeprom_band_1);
*eeprom_ch_info = (struct il_eeprom_channel *)
il_eeprom_query_addr(il, offset);
- *eeprom_ch_index = il_eeprom_band_1;
+ *eeprom_ch_idx = il_eeprom_band_1;
break;
case 2: /* 4.9GHz band */
*eeprom_ch_count = ARRAY_SIZE(il_eeprom_band_2);
*eeprom_ch_info = (struct il_eeprom_channel *)
il_eeprom_query_addr(il, offset);
- *eeprom_ch_index = il_eeprom_band_2;
+ *eeprom_ch_idx = il_eeprom_band_2;
break;
case 3: /* 5.2GHz band */
*eeprom_ch_count = ARRAY_SIZE(il_eeprom_band_3);
*eeprom_ch_info = (struct il_eeprom_channel *)
il_eeprom_query_addr(il, offset);
- *eeprom_ch_index = il_eeprom_band_3;
+ *eeprom_ch_idx = il_eeprom_band_3;
break;
case 4: /* 5.5GHz band */
*eeprom_ch_count = ARRAY_SIZE(il_eeprom_band_4);
*eeprom_ch_info = (struct il_eeprom_channel *)
il_eeprom_query_addr(il, offset);
- *eeprom_ch_index = il_eeprom_band_4;
+ *eeprom_ch_idx = il_eeprom_band_4;
break;
case 5: /* 5.7GHz band */
*eeprom_ch_count = ARRAY_SIZE(il_eeprom_band_5);
*eeprom_ch_info = (struct il_eeprom_channel *)
il_eeprom_query_addr(il, offset);
- *eeprom_ch_index = il_eeprom_band_5;
+ *eeprom_ch_idx = il_eeprom_band_5;
break;
case 6: /* 2.4GHz ht40 channels */
*eeprom_ch_count = ARRAY_SIZE(il_eeprom_band_6);
*eeprom_ch_info = (struct il_eeprom_channel *)
il_eeprom_query_addr(il, offset);
- *eeprom_ch_index = il_eeprom_band_6;
+ *eeprom_ch_idx = il_eeprom_band_6;
break;
case 7: /* 5 GHz ht40 channels */
*eeprom_ch_count = ARRAY_SIZE(il_eeprom_band_7);
*eeprom_ch_info = (struct il_eeprom_channel *)
il_eeprom_query_addr(il, offset);
- *eeprom_ch_index = il_eeprom_band_7;
+ *eeprom_ch_idx = il_eeprom_band_7;
break;
default:
BUG();
int il_init_channel_map(struct il_priv *il)
{
int eeprom_ch_count = 0;
- const u8 *eeprom_ch_index = NULL;
+ const u8 *eeprom_ch_idx = NULL;
const struct il_eeprom_channel *eeprom_ch_info = NULL;
int band, ch;
struct il_channel_info *ch_info;
for (band = 1; band <= 5; band++) {
il_init_band_reference(il, band, &eeprom_ch_count,
- &eeprom_ch_info, &eeprom_ch_index);
+ &eeprom_ch_info, &eeprom_ch_idx);
/* Loop through each band adding each of the channels */
for (ch = 0; ch < eeprom_ch_count; ch++) {
- ch_info->channel = eeprom_ch_index[ch];
+ ch_info->channel = eeprom_ch_idx[ch];
ch_info->band = (band == 1) ? IEEE80211_BAND_2GHZ :
IEEE80211_BAND_5GHZ;
enum ieee80211_band ieeeband;
il_init_band_reference(il, band, &eeprom_ch_count,
- &eeprom_ch_info, &eeprom_ch_index);
+ &eeprom_ch_info, &eeprom_ch_idx);
/* EEPROM band 6 is 2.4, band 7 is 5 GHz */
ieeeband =
for (ch = 0; ch < eeprom_ch_count; ch++) {
/* Set up driver's info for lower half */
il_mod_ht40_chan_info(il, ieeeband,
- eeprom_ch_index[ch],
+ eeprom_ch_idx[ch],
&eeprom_ch_info[ch],
IEEE80211_CHAN_NO_HT40PLUS);
/* Set up driver's info for upper half */
il_mod_ht40_chan_info(il, ieeeband,
- eeprom_ch_index[ch] + 4,
+ eeprom_ch_idx[ch] + 4,
&eeprom_ch_info[ch],
IEEE80211_CHAN_NO_HT40MINUS);
}
*
* 1) Temperature (degrees Celsius) of device when measurement was made.
*
- * 2) Gain table index used to achieve the target measurement power.
+ * 2) Gain table idx used to achieve the target measurement power.
* This refers to the "well-known" gain tables (see iwl-4965-hw.h).
*
* 3) Actual measured output power, in half-dBm ("34" = 17 dBm).
* into FH_RSCSR_CHNL0_RBDCB_BASE_REG [27:0].
*
* 2) Rx status buffer, 8 bytes, in which 4965 indicates which Rx Buffers
- * (RBs) have been filled, via a "write pointer", actually the index of
+ * (RBs) have been filled, via a "write pointer", actually the idx of
* the RB's corresponding RBD within the circular buffer. Driver sets
* physical address [35:4] into FH_RSCSR_CHNL0_STTS_WPTR_REG [31:0].
*
*
* As the driver prepares Receive Buffers (RBs) for 4965 to fill, driver must
* enter pointers to these RBs into contiguous RBD circular buffer entries,
- * and update the 4965's "write" index register,
+ * and update the 4965's "write" idx register,
* FH_RSCSR_CHNL0_RBDCB_WPTR_REG.
*
- * This "write" index corresponds to the *next* RBD that the driver will make
+ * This "write" idx corresponds to the *next* RBD that the driver will make
* available, i.e. one RBD past the tail of the ready-to-fill RBDs within
* the circular buffer. This value should initially be 0 (before preparing any
* RBs), should be 8 after preparing the first 8 RBs (for example), and must
* wrap back to 0 at the end of the circular buffer (but don't wrap before
- * "read" index has advanced past 1! See below).
+ * "read" idx has advanced past 1! See below).
* NOTE: 4965 EXPECTS THE WRITE IDX TO BE INCREMENTED IN MULTIPLES OF 8.
*
* As the 4965 fills RBs (referenced from contiguous RBDs within the circular
* buffer), it updates the Rx status buffer in host DRAM, 2) described above,
- * to tell the driver the index of the latest filled RBD. The driver must
- * read this "read" index from DRAM after receiving an Rx interrupt from 4965.
+ * to tell the driver the idx of the latest filled RBD. The driver must
+ * read this "read" idx from DRAM after receiving an Rx interrupt from 4965.
*
- * The driver must also internally keep track of a third index, which is the
+ * The driver must also internally keep track of a third idx, which is the
* next RBD to process. When receiving an Rx interrupt, driver should process
* all filled but unprocessed RBs up to, but not including, the RB
- * corresponding to the "read" index. For example, if "read" index becomes "1",
+ * corresponding to the "read" idx. For example, if "read" idx becomes "1",
* driver may process the RB pointed to by RBD 0. Depending on volume of
* traffic, there may be many RBs to process.
*
- * If read index == write index, 4965 thinks there is no room to put new data.
+ * If read idx == write idx, 4965 thinks there is no room to put new data.
* Due to this, the maximum number of filled RBs is 255, instead of 256. To
* be safe, make sure that there is a gap of at least 2 RBDs between "write"
- * and "read" indexes; that is, make sure that there are no more than 254
+ * and "read" idxes; that is, make sure that there are no more than 254
* buffers waiting to be filled.
*/
#define FH_MEM_RSCSR_LOWER_BOUND (FH_MEM_LOWER_BOUND + 0xBC0)
#define FH_RSCSR_CHNL0_RBDCB_BASE_REG (FH_MEM_RSCSR_CHNL0 + 0x004)
/**
- * Rx write pointer (index, really!).
+ * Rx write pointer (idx, really!).
* Bit fields:
* 11-0: Index of driver's most recent prepared-to-be-filled RBD, + 1.
* NOTE: For 256-entry circular buffer, use only bits [7:0].
/**
* struct il_rb_status - reseve buffer status
* host memory mapped FH registers
- * @closed_rb_num [0:11] - Indicates the index of the RB which was closed
- * @closed_fr_num [0:11] - Indicates the index of the RX Frame which was closed
- * @finished_rb_num [0:11] - Indicates the index of the current RB
+ * @closed_rb_num [0:11] - Indicates the idx of the RB which was closed
+ * @closed_fr_num [0:11] - Indicates the idx of the RX Frame which was closed
+ * @finished_rb_num [0:11] - Indicates the idx of the current RB
* in which the last frame was written to
- * @finished_fr_num [0:11] - Indicates the index of the RX Frame
+ * @finished_fr_num [0:11] - Indicates the idx of the RX Frame
* which was transferred
*/
struct il_rb_status {
}
/**
- * il_queue_inc_wrap - increment queue index, wrap back to beginning
- * @index -- current index
+ * il_queue_inc_wrap - increment queue idx, wrap back to beginning
+ * @idx -- current idx
* @n_bd -- total number of entries in queue (must be power of 2)
*/
-static inline int il_queue_inc_wrap(int index, int n_bd)
+static inline int il_queue_inc_wrap(int idx, int n_bd)
{
- return ++index & (n_bd - 1);
+ return ++idx & (n_bd - 1);
}
/**
- * il_queue_dec_wrap - decrement queue index, wrap back to end
- * @index -- current index
+ * il_queue_dec_wrap - decrement queue idx, wrap back to end
+ * @idx -- current idx
* @n_bd -- total number of entries in queue (must be power of 2)
*/
-static inline int il_queue_dec_wrap(int index, int n_bd)
+static inline int il_queue_dec_wrap(int idx, int n_bd)
{
- return --index & (n_bd - 1);
+ return --idx & (n_bd - 1);
}
/* TODO: Move fw_desc functions to iwl-pci.ko */
#include "iwl-core.h"
#include "iwl-io.h"
-/* default: IL_LED_BLINK(0) using blinking index table */
+/* default: IL_LED_BLINK(0) using blinking idx table */
static int led_mode;
module_param(led_mode, int, S_IRUGO);
MODULE_PARM_DESC(led_mode, "0=system default, "
u8 next_rs; /* next rate used in rs algo */
u8 prev_rs_tgg; /* previous rate used in TGG rs algo */
u8 next_rs_tgg; /* next rate used in TGG rs algo */
- u8 table_rs_index; /* index in rate scale table cmd */
+ u8 table_rs_idx; /* idx in rate scale table cmd */
u8 prev_table_rs; /* prev in rate table cmd */
};
/*
- * These serve as indexes into
+ * These serve as idxes into
* struct il_rate_info il_rates[RATE_COUNT];
*/
enum {
* Pointer to this gets passed back and forth between driver and mac80211.
*/
struct il_lq_sta {
- u8 active_tbl; /* index of active table, range 0-1 */
+ u8 active_tbl; /* idx of active table, range 0-1 */
u8 enable_counter; /* indicates HT mode */
u8 stay_in_tbl; /* 1: disallow, 0: allow search for new mode */
u8 search_better_tbl; /* 1: currently trying alternate mode */
/*
* Driver may need to update queue-empty bits after changing queue's
- * write and read pointers (indexes) during (re-)initialization (i.e. when
+ * write and read pointers (idxes) during (re-)initialization (i.e. when
* scheduler is not tracking what's happening).
* Bit fields:
* 31-16: Write mask -- 1: update empty bit, 0: don't change empty bit
* This register points to BC CB for queue 0, must be on 1024-byte boundary.
* Others are spaced by 1024 bytes.
* Each BC CB is 2 bytes * (256 + 64) = 740 bytes, followed by 384 bytes pad.
- * (Index into a queue's BC CB) = (index into queue's TFD CB) = (SSN & 0xff).
+ * (Index into a queue's BC CB) = (idx into queue's TFD CB) = (SSN & 0xff).
* Bit fields:
* 25-00: Byte Count CB physical address [35:10], must be 1024-byte aligned.
*/
*/
#define IL49_SCD_TXFACT (IL49_SCD_START_OFFSET + 0x1c)
/*
- * Queue (x) Write Pointers (indexes, really!), one for each Tx queue.
+ * Queue (x) Write Pointers (idxes, really!), one for each Tx queue.
* Initialized and updated by driver as new TFDs are added to queue.
- * NOTE: If using Block Ack, index must correspond to frame's
- * Start Sequence Number; index = (SSN & 0xff)
+ * NOTE: If using Block Ack, idx must correspond to frame's
+ * Start Sequence Number; idx = (SSN & 0xff)
* NOTE: Alternative to HBUS_TARG_WRPTR, which is what Linux driver uses?
*/
#define IL49_SCD_QUEUE_WRPTR(x) (IL49_SCD_START_OFFSET + 0x24 + (x) * 4)
/*
- * Queue (x) Read Pointers (indexes, really!), one for each Tx queue.
- * For FIFO mode, index indicates next frame to transmit.
- * For Scheduler-ACK mode, index indicates first frame in Tx win.
+ * Queue (x) Read Pointers (idxes, really!), one for each Tx queue.
+ * For FIFO mode, idx indicates next frame to transmit.
+ * For Scheduler-ACK mode, idx indicates first frame in Tx win.
* Initialized by driver, updated by scheduler.
*/
#define IL49_SCD_QUEUE_RDPTR(x) (IL49_SCD_START_OFFSET + 0x64 + (x) * 4)
/*
* Select which queues interrupt driver when scheduler increments
- * a queue's read pointer (index).
+ * a queue's read pointer (idx).
* Bit fields:
* 31-16: Reserved
* 15-00: Interrupt enable, one bit for each queue -- 1: enabled, 0: disabled
* each of which point to Receive Buffers to be filled by the NIC. These get
* used not only for Rx frames, but for any command response or notification
* from the NIC. The driver and NIC manage the Rx buffers by means
- * of indexes into the circular buffer.
+ * of idxes into the circular buffer.
*
* Rx Queue Indexes
- * The host/firmware share two index registers for managing the Rx buffers.
+ * The host/firmware share two idx registers for managing the Rx buffers.
*
- * The READ index maps to the first position that the firmware may be writing
+ * The READ idx maps to the first position that the firmware may be writing
* to -- the driver can read up to (but not including) this position and get
* good data.
- * The READ index is managed by the firmware once the card is enabled.
+ * The READ idx is managed by the firmware once the card is enabled.
*
- * The WRITE index maps to the last position the driver has read from -- the
+ * The WRITE idx maps to the last position the driver has read from -- the
* position preceding WRITE is the last slot the firmware can place a packet.
*
* The queue is empty (no good data) if WRITE = READ - 1, and is full if
* During initialization, the host sets up the READ queue position to the first
* IDX position, and WRITE to the last (READ - 1 wrapped)
*
- * When the firmware places a packet in a buffer, it will advance the READ index
- * and fire the RX interrupt. The driver can then query the READ index and
- * process as many packets as possible, moving the WRITE index forward as it
+ * When the firmware places a packet in a buffer, it will advance the READ idx
+ * and fire the RX interrupt. The driver can then query the READ idx and
+ * process as many packets as possible, moving the WRITE idx forward as it
* resets the Rx queue buffers with new memory.
*
* The management in the driver is as follows:
* to replenish the iwl->rxq->rx_free.
* + In il_rx_replenish (scheduled) if 'processed' != 'read' then the
* iwl->rxq is replenished and the READ IDX is updated (updating the
- * 'processed' and 'read' driver indexes as well)
+ * 'processed' and 'read' driver idxes as well)
* + A received packet is processed and handed to the kernel network stack,
- * detached from the iwl->rxq. The driver 'processed' index is updated.
+ * detached from the iwl->rxq. The driver 'processed' idx is updated.
* + The Host/Firmware iwl->rxq is replenished at tasklet time from the rx_free
* list. If there are no allocated buffers in iwl->rxq->rx_free, the READ
* IDX is not incremented and iwl->status(RX_STALLED) is set. If there
* il_rx_queue_restock
* il_rx_queue_restock() Moves available buffers from rx_free into Rx
* queue, updates firmware pointers, and updates
- * the WRITE index. If insufficient rx_free buffers
+ * the WRITE idx. If insufficient rx_free buffers
* are available, schedules il_rx_replenish
*
* -- enable interrupts --
}
EXPORT_SYMBOL(il_send_add_sta);
-static void il_set_ht_add_station(struct il_priv *il, u8 index,
+static void il_set_ht_add_station(struct il_priv *il, u8 idx,
struct ieee80211_sta *sta,
struct il_rxon_context *ctx)
{
(mimo_ps_mode == WLAN_HT_CAP_SM_PS_DYNAMIC) ?
"dynamic" : "disabled");
- sta_flags = il->stations[index].sta.station_flags;
+ sta_flags = il->stations[idx].sta.station_flags;
sta_flags &= ~(STA_FLG_RTS_MIMO_PROT_MSK | STA_FLG_MIMO_DIS_MSK);
else
sta_flags &= ~STA_FLG_HT40_EN_MSK;
- il->stations[index].sta.station_flags = sta_flags;
+ il->stations[idx].sta.station_flags = sta_flags;
done:
return;
}
}
EXPORT_SYMBOL(il_restore_stations);
-int il_get_free_ucode_key_index(struct il_priv *il)
+int il_get_free_ucode_key_idx(struct il_priv *il)
{
int i;
return WEP_INVALID_OFFSET;
}
-EXPORT_SYMBOL(il_get_free_ucode_key_index);
+EXPORT_SYMBOL(il_get_free_ucode_key_idx);
void il_dealloc_bcast_stations(struct il_priv *il)
{
lq->general_params.dual_stream_ant_msk);
for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++)
- D_RATE("lq index %d 0x%X\n",
+ D_RATE("lq idx %d 0x%X\n",
i, lq->rs_table[i].rate_n_flags);
}
#else
if (le32_to_cpu(lq->rs_table[i].rate_n_flags) &
RATE_MCS_HT_MSK) {
D_INFO(
- "index %d of LQ expects HT channel\n",
+ "idx %d of LQ expects HT channel\n",
i);
return false;
}
void il_clear_ucode_stations(struct il_priv *il,
struct il_rxon_context *ctx);
void il_dealloc_bcast_stations(struct il_priv *il);
-int il_get_free_ucode_key_index(struct il_priv *il);
+int il_get_free_ucode_key_idx(struct il_priv *il);
int il_send_add_sta(struct il_priv *il,
struct il_addsta_cmd *sta, u8 flags);
int il_add_station_common(struct il_priv *il,
#include "iwl-helpers.h"
/**
- * il_txq_update_write_ptr - Send new write index to hardware
+ * il_txq_update_write_ptr - Send new write idx to hardware
*/
void
il_txq_update_write_ptr(struct il_priv *il, struct il_tx_queue *txq)
return;
while (q->read_ptr != q->write_ptr) {
- i = il_get_cmd_index(q, q->read_ptr, 0);
+ i = il_get_cmd_idx(q, q->read_ptr, 0);
if (txq->meta[i].flags & CMD_MAPPED) {
pci_unmap_single(il->pci_dev,
/**
- * il_queue_init - Initialize queue's high/low-water and read/write indexes
+ * il_queue_init - Initialize queue's high/low-water and read/write idxes
*/
static int il_queue_init(struct il_priv *il, struct il_queue *q,
int count, int slots_num, u32 id)
BUG_ON(!is_power_of_2(count));
/* slots_num must be power-of-two size, otherwise
- * il_get_cmd_index is broken. */
+ * il_get_cmd_idx is broken. */
BUG_ON(!is_power_of_2(slots_num));
q->low_mark = q->n_win / 4;
* il_queue_inc_wrap and il_queue_dec_wrap are broken. */
BUILD_BUG_ON(TFD_QUEUE_SIZE_MAX & (TFD_QUEUE_SIZE_MAX - 1));
- /* Initialize queue's high/low-water marks, and head/tail indexes */
+ /* Initialize queue's high/low-water marks, and head/tail idxes */
il_queue_init(il, &txq->q,
TFD_QUEUE_SIZE_MAX, slots_num, txq_id);
txq->need_update = 0;
- /* Initialize queue's high/low-water marks, and head/tail indexes */
+ /* Initialize queue's high/low-water marks, and head/tail idxes */
il_queue_init(il, &txq->q,
TFD_QUEUE_SIZE_MAX, slots_num, txq_id);
* @cmd: a point to the ucode command structure
*
* The function returns < 0 values to indicate the operation is
- * failed. On success, it turns the index (> 0) of command in the
+ * failed. On success, it turns the idx (> 0) of command in the
* command queue.
*/
int il_enqueue_hcmd(struct il_priv *il, struct il_host_cmd *cmd)
return -ENOSPC;
}
- idx = il_get_cmd_index(q, q->write_ptr, cmd->flags & CMD_SIZE_HUGE);
+ idx = il_get_cmd_idx(q, q->write_ptr, cmd->flags & CMD_SIZE_HUGE);
out_cmd = txq->cmd[idx];
out_meta = &txq->meta[idx];
phys_addr, fix_size, 1,
U32_PAD(cmd->len));
- /* Increment and update queue's write index */
+ /* Increment and update queue's write idx */
q->write_ptr = il_queue_inc_wrap(q->write_ptr, q->n_bd);
il_txq_update_write_ptr(il, txq);
/**
* il_hcmd_queue_reclaim - Reclaim TX command queue entries already Tx'd
*
- * When FW advances 'R' index, all entries between old and new 'R' index
+ * When FW advances 'R' idx, all entries between old and new 'R' idx
* need to be reclaimed. As result, some free space forms. If there is
* enough free space (> low mark), wake the stack that feeds us.
*/
int nfreed = 0;
if (idx >= q->n_bd || il_queue_used(q, idx) == 0) {
- IL_ERR("Read index for DMA queue txq id (%d), index %d, "
+ IL_ERR("Read idx for DMA queue txq id (%d), idx %d, "
"is out of range [0-%d] %d %d.\n", txq_id,
idx, q->n_bd, q->write_ptr, q->read_ptr);
return;
q->read_ptr = il_queue_inc_wrap(q->read_ptr, q->n_bd)) {
if (nfreed++ > 0) {
- IL_ERR("HCMD skipped: index (%d) %d %d\n", idx,
+ IL_ERR("HCMD skipped: idx (%d) %d %d\n", idx,
q->write_ptr, q->read_ptr);
queue_work(il->workqueue, &il->restart);
}
struct il_rx_pkt *pkt = rxb_addr(rxb);
u16 sequence = le16_to_cpu(pkt->hdr.sequence);
int txq_id = SEQ_TO_QUEUE(sequence);
- int index = SEQ_TO_IDX(sequence);
- int cmd_index;
+ int idx = SEQ_TO_IDX(sequence);
+ int cmd_idx;
bool huge = !!(pkt->hdr.sequence & SEQ_HUGE_FRAME);
struct il_device_cmd *cmd;
struct il_cmd_meta *meta;
return;
}
- cmd_index = il_get_cmd_index(&txq->q, index, huge);
- cmd = txq->cmd[cmd_index];
- meta = &txq->meta[cmd_index];
+ cmd_idx = il_get_cmd_idx(&txq->q, idx, huge);
+ cmd = txq->cmd[cmd_idx];
+ meta = &txq->meta[cmd_idx];
txq->time_stamp = jiffies;
spin_lock_irqsave(&il->hcmd_lock, flags);
- il_hcmd_queue_reclaim(il, txq_id, index, cmd_index);
+ il_hcmd_queue_reclaim(il, txq_id, idx, cmd_idx);
if (!(meta->flags & CMD_ASYNC)) {
clear_bit(STATUS_HCMD_ACTIVE, &il->status);
if ((il->stations[sta_id].sta.key.key_flags & STA_KEY_FLG_ENCRYPT_MSK)
== STA_KEY_FLG_NO_ENC)
il->stations[sta_id].sta.key.key_offset =
- il_get_free_ucode_key_index(il);
+ il_get_free_ucode_key_idx(il);
/* else, we are overriding an existing key => no need to allocated room
* in uCode. */
hdr_len = ieee80211_hdrlen(fc);
- /* Find index into station table for destination station */
+ /* Find idx into station table for destination station */
sta_id = il_sta_id_or_broadcast(
il, &il->ctx,
info->control.sta);
spin_lock_irqsave(&il->lock, flags);
- idx = il_get_cmd_index(q, q->write_ptr, 0);
+ idx = il_get_cmd_idx(q, q->write_ptr, 0);
/* Set up driver data for this TFD */
memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct il_tx_info));
/*
* Set up the Tx-command (not MAC!) header.
- * Store the chosen Tx queue and TFD index within the sequence field;
+ * Store the chosen Tx queue and TFD idx within the sequence field;
* after Tx, uCode's Tx response will return this value so driver can
* locate the frame within the tx queue and do post-tx processing.
*/
}
- /* Tell device the write index *just past* this latest filled TFD */
+ /* Tell device the write idx *just past* this latest filled TFD */
q->write_ptr = il_queue_inc_wrap(q->write_ptr, q->n_bd);
il_txq_update_write_ptr(il, txq);
spin_unlock_irqrestore(&il->lock, flags);
* 0 to 31
*
* Rx Queue Indexes
- * The host/firmware share two index registers for managing the Rx buffers.
+ * The host/firmware share two idx registers for managing the Rx buffers.
*
- * The READ index maps to the first position that the firmware may be writing
+ * The READ idx maps to the first position that the firmware may be writing
* to -- the driver can read up to (but not including) this position and get
* good data.
- * The READ index is managed by the firmware once the card is enabled.
+ * The READ idx is managed by the firmware once the card is enabled.
*
- * The WRITE index maps to the last position the driver has read from -- the
+ * The WRITE idx maps to the last position the driver has read from -- the
* position preceding WRITE is the last slot the firmware can place a packet.
*
* The queue is empty (no good data) if WRITE = READ - 1, and is full if
* During initialization, the host sets up the READ queue position to the first
* IDX position, and WRITE to the last (READ - 1 wrapped)
*
- * When the firmware places a packet in a buffer, it will advance the READ index
- * and fire the RX interrupt. The driver can then query the READ index and
- * process as many packets as possible, moving the WRITE index forward as it
+ * When the firmware places a packet in a buffer, it will advance the READ idx
+ * and fire the RX interrupt. The driver can then query the READ idx and
+ * process as many packets as possible, moving the WRITE idx forward as it
* resets the Rx queue buffers with new memory.
*
* The management in the driver is as follows:
* to replenish the iwl->rxq->rx_free.
* + In il3945_rx_replenish (scheduled) if 'processed' != 'read' then the
* iwl->rxq is replenished and the READ IDX is updated (updating the
- * 'processed' and 'read' driver indexes as well)
+ * 'processed' and 'read' driver idxes as well)
* + A received packet is processed and handed to the kernel network stack,
- * detached from the iwl->rxq. The driver 'processed' index is updated.
+ * detached from the iwl->rxq. The driver 'processed' idx is updated.
* + The Host/Firmware iwl->rxq is replenished at tasklet time from the rx_free
* list. If there are no allocated buffers in iwl->rxq->rx_free, the READ
* IDX is not incremented and iwl->status(RX_STALLED) is set. If there
* il3945_rx_queue_restock
* il3945_rx_queue_restock() Moves available buffers from rx_free into Rx
* queue, updates firmware pointers, and updates
- * the WRITE index. If insufficient rx_free buffers
+ * the WRITE idx. If insufficient rx_free buffers
* are available, schedules il3945_rx_replenish
*
* -- enable interrupts --
* and we have free pre-allocated buffers, fill the ranks as much
* as we can, pulling from rx_free.
*
- * This moves the 'write' index forward to catch up with 'processed', and
+ * This moves the 'write' idx forward to catch up with 'processed', and
* also updates the memory address in the firmware to reference the new
* target buffer.
*/
u32 count = 8;
int total_empty = 0;
- /* uCode's read index (stored in shared DRAM) indicates the last Rx
+ /* uCode's read idx (stored in shared DRAM) indicates the last Rx
* buffer that the driver may process (last buffer filled by ucode). */
r = le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF;
i = rxq->read;
for (i = 0; i < RATE_COUNT_LEGACY; i++) {
rates[i].bitrate = il3945_rates[i].ieee * 5;
- rates[i].hw_value = i; /* Rate scaling will work on indexes */
+ rates[i].hw_value = i; /* Rate scaling will work on idxes */
rates[i].hw_value_short = i;
rates[i].flags = 0;
if (i > IL39_LAST_OFDM_RATE || i < IL_FIRST_OFDM_RATE) {
static int il3945_read_ucode(struct il_priv *il)
{
const struct il_ucode_header *ucode;
- int ret = -EINVAL, index;
+ int ret = -EINVAL, idx;
const struct firmware *ucode_raw;
/* firmware file name contains uCode/driver compatibility version */
const char *name_pre = il->cfg->fw_name_pre;
/* Ask kernel firmware_class module to get the boot firmware off disk.
* request_firmware() is synchronous, file is in memory on return. */
- for (index = api_max; index >= api_min; index--) {
- sprintf(buf, "%s%u%s", name_pre, index, ".ucode");
+ for (idx = api_max; idx >= api_min; idx--) {
+ sprintf(buf, "%s%u%s", name_pre, idx, ".ucode");
ret = request_firmware(&ucode_raw, buf, &il->pci_dev->dev);
if (ret < 0) {
IL_ERR("%s firmware file req failed: %d\n",
else
goto error;
} else {
- if (index < api_max)
+ if (idx < api_max)
IL_ERR("Loaded firmware %s, "
"which is deprecated. "
" Please use API v%u instead.\n",
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)beacon;
/*
- * The index is relative to frame start but we start looking at the
+ * The idx is relative to frame start but we start looking at the
* variable-length part of the beacon.
*/
tim_idx = mgmt->u.beacon.variable - beacon;
* @il - driver ilate data
* @txq - tx queue
*
- * Does NOT advance any TFD circular buffer read/write indexes
+ * Does NOT advance any TFD circular buffer read/write idxes
* Does NOT free the TFD itself (which is within circular buffer)
*/
void il4965_hw_txq_free_tfd(struct il_priv *il, struct il_tx_queue *txq)
struct il_tfd *tfd_tmp = (struct il_tfd *)txq->tfds;
struct il_tfd *tfd;
struct pci_dev *dev = il->pci_dev;
- int index = txq->q.read_ptr;
+ int idx = txq->q.read_ptr;
int i;
int num_tbs;
- tfd = &tfd_tmp[index];
+ tfd = &tfd_tmp[idx];
/* Sanity check on number of chunks */
num_tbs = il4965_tfd_get_num_tbs(tfd);
/* Unmap tx_cmd */
if (num_tbs)
pci_unmap_single(dev,
- dma_unmap_addr(&txq->meta[index], mapping),
- dma_unmap_len(&txq->meta[index], len),
+ dma_unmap_addr(&txq->meta[idx], mapping),
+ dma_unmap_len(&txq->meta[idx], len),
PCI_DMA_BIDIRECTIONAL);
/* Unmap chunks, if any. */
u32 count = 8;
int total_empty;
- /* uCode's read index (stored in shared DRAM) indicates the last Rx
+ /* uCode's read idx (stored in shared DRAM) indicates the last Rx
* buffer that the driver may process (last buffer filled by ucode). */
r = le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF;
i = rxq->read;
char tag[8];
if (first) {
- il->fw_index = il->cfg->ucode_api_max;
- sprintf(tag, "%d", il->fw_index);
+ il->fw_idx = il->cfg->ucode_api_max;
+ sprintf(tag, "%d", il->fw_idx);
} else {
- il->fw_index--;
- sprintf(tag, "%d", il->fw_index);
+ il->fw_idx--;
+ sprintf(tag, "%d", il->fw_idx);
}
- if (il->fw_index < il->cfg->ucode_api_min) {
+ if (il->fw_idx < il->cfg->ucode_api_min) {
IL_ERR("no suitable firmware found!\n");
return -ENOENT;
}
memset(&pieces, 0, sizeof(pieces));
if (!ucode_raw) {
- if (il->fw_index <= il->cfg->ucode_api_max)
+ if (il->fw_idx <= il->cfg->ucode_api_max)
IL_ERR(
"request for firmware file '%s' failed.\n",
il->firmware_name);
/* Initialize each Tx queue (including the command queue) */
for (i = 0; i < il->hw_params.max_txq_num; i++) {
- /* TFD circular buffer read/write indexes */
+ /* TFD circular buffer read/write idxes */
il_wr_prph(il, IL49_SCD_QUEUE_RDPTR(i), 0);
il_wr(il, HBUS_TARG_WRPTR, 0 | (i << 8));
for (i = 0; i < RATE_COUNT_LEGACY; i++) {
rates[i].bitrate = il_rates[i].ieee * 5;
- rates[i].hw_value = i; /* Rate scaling will work on indexes */
+ rates[i].hw_value = i; /* Rate scaling will work on idxes */
rates[i].hw_value_short = i;
rates[i].flags = 0;
if ((i >= IL_FIRST_CCK_RATE) && (i <= IL_LAST_CCK_RATE)) {
/*
* Acquire il->lock before calling this function !
*/
-void il4965_set_wr_ptrs(struct il_priv *il, int txq_id, u32 index)
+void il4965_set_wr_ptrs(struct il_priv *il, int txq_id, u32 idx)
{
il_wr(il, HBUS_TARG_WRPTR,
- (index & 0xff) | (txq_id << 8));
- il_wr_prph(il, IL49_SCD_QUEUE_RDPTR(txq_id), index);
+ (idx & 0xff) | (txq_id << 8));
+ il_wr_prph(il, IL49_SCD_QUEUE_RDPTR(txq_id), idx);
}
void il4965_tx_queue_set_status(struct il_priv *il,
projects / GitHub / LineageOS / android_kernel_samsung_universal7580.git / commitdiff