};
static s32 iwl_expected_tpt_g[IWL_RATE_COUNT] = {
- 0, 0, 76, 104, 130, 168, 191, 202, 7, 13, 35, 58
+ 7, 13, 35, 58, 0, 0, 76, 104, 130, 168, 191, 202
};
static s32 iwl_expected_tpt_g_prot[IWL_RATE_COUNT] = {
- 0, 0, 0, 80, 93, 113, 123, 125, 7, 13, 35, 58
+ 7, 13, 35, 58, 0, 0, 0, 80, 93, 113, 123, 125
};
static s32 iwl_expected_tpt_a[IWL_RATE_COUNT] = {
- 40, 57, 72, 98, 121, 154, 177, 186, 0, 0, 0, 0
+ 0, 0, 0, 0, 40, 57, 72, 98, 121, 154, 177, 186
};
static s32 iwl_expected_tpt_b[IWL_RATE_COUNT] = {
- 0, 0, 0, 0, 0, 0, 0, 0, 7, 13, 35, 58
+ 7, 13, 35, 58, 0, 0, 0, 0, 0, 0, 0, 0
};
struct iwl_tpt_entry {
sta->last_txrate = sta->txrate;
+ /* For MODE_IEEE80211A mode it start at IWL_FIRST_OFDM_RATE */
+ if (local->hw.conf.phymode == MODE_IEEE80211A)
+ sta->last_txrate += IWL_FIRST_OFDM_RATE;
+
IWL_DEBUG_RATE("leave\n");
}
IWL_DEBUG_RATE("leave\n");
}
+
+/*
+ * get ieee prev rate from rate scale table.
+ * for A and B mode we need to overright prev
+ * value
+ */
+static int rs_adjust_next_rate(struct iwl_priv *priv, int rate)
+{
+ int next_rate = iwl_get_prev_ieee_rate(rate);
+
+ switch (priv->phymode) {
+ case MODE_IEEE80211A:
+ if (rate == IWL_RATE_12M_INDEX)
+ next_rate = IWL_RATE_9M_INDEX;
+ else if (rate == IWL_RATE_6M_INDEX)
+ next_rate = IWL_RATE_6M_INDEX;
+ break;
+ case MODE_IEEE80211B:
+ if (rate == IWL_RATE_11M_INDEX_TABLE)
+ next_rate = IWL_RATE_5M_INDEX_TABLE;
+ break;
+ default:
+ break;
+ }
+
+ return next_rate;
+}
/**
* rs_tx_status - Update rate control values based on Tx results
*
last_index = scale_rate_index;
} else {
current_count = priv->retry_rate;
- last_index = iwl_get_prev_ieee_rate(scale_rate_index);
+ last_index = rs_adjust_next_rate(priv,
+ scale_rate_index);
}
/* Update this rate accounting for as many retries
if (retries)
scale_rate_index =
- iwl_get_prev_ieee_rate(scale_rate_index);
+ rs_adjust_next_rate(priv, scale_rate_index);
}
+
/* Update the last index window with success/failure based on ACK */
IWL_DEBUG_RATE("Update rate %d with %s.\n",
last_index,
}
rate_mask = sta->supp_rates;
- index = min(sta->txrate & 0xffff, IWL_RATE_COUNT - 1);
+ index = min(sta->last_txrate & 0xffff, IWL_RATE_COUNT - 1);
+
+ if (priv->phymode == (u8) MODE_IEEE80211A)
+ rate_mask = rate_mask << IWL_FIRST_OFDM_RATE;
rs_priv = (void *)sta->rate_ctrl_priv;
out:
sta->last_txrate = index;
- sta->txrate = sta->last_txrate;
+ if (priv->phymode == (u8) MODE_IEEE80211A)
+ sta->txrate = sta->last_txrate - IWL_FIRST_OFDM_RATE;
+ else
+ sta->txrate = sta->last_txrate;
+
sta_info_put(sta);
IWL_DEBUG_RATE("leave: %d\n", index);
IWL_RATE_##rp##M_INDEX, \
IWL_RATE_##rn##M_INDEX, \
IWL_RATE_##pp##M_INDEX, \
- IWL_RATE_##np##M_INDEX }
+ IWL_RATE_##np##M_INDEX, \
+ IWL_RATE_##r##M_INDEX_TABLE, \
+ IWL_RATE_##ip##M_INDEX_TABLE }
/*
* Parameter order:
*
*/
const struct iwl_rate_info iwl_rates[IWL_RATE_COUNT] = {
+ IWL_DECLARE_RATE_INFO(1, INV, 2, INV, 2, INV, 2), /* 1mbps */
+ IWL_DECLARE_RATE_INFO(2, 1, 5, 1, 5, 1, 5), /* 2mbps */
+ IWL_DECLARE_RATE_INFO(5, 2, 6, 2, 11, 2, 11), /*5.5mbps */
+ IWL_DECLARE_RATE_INFO(11, 9, 12, 5, 12, 5, 18), /* 11mbps */
IWL_DECLARE_RATE_INFO(6, 5, 9, 5, 11, 5, 11), /* 6mbps */
IWL_DECLARE_RATE_INFO(9, 6, 11, 5, 11, 5, 11), /* 9mbps */
IWL_DECLARE_RATE_INFO(12, 11, 18, 11, 18, 11, 18), /* 12mbps */
IWL_DECLARE_RATE_INFO(36, 24, 48, 24, 48, 24, 48), /* 36mbps */
IWL_DECLARE_RATE_INFO(48, 36, 54, 36, 54, 36, 54), /* 48mbps */
IWL_DECLARE_RATE_INFO(54, 48, INV, 48, INV, 48, INV),/* 54mbps */
- IWL_DECLARE_RATE_INFO(1, INV, 2, INV, 2, INV, 2), /* 1mbps */
- IWL_DECLARE_RATE_INFO(2, 1, 5, 1, 5, 1, 5), /* 2mbps */
- IWL_DECLARE_RATE_INFO(5, 2, 6, 2, 11, 2, 11), /*5.5mbps */
- IWL_DECLARE_RATE_INFO(11, 9, 12, 5, 12, 5, 18), /* 11mbps */
};
/* 1 = enable the iwl_disable_events() function */
cmd->cmd.tx.tx_flags = tx_flags;
/* OFDM */
- cmd->cmd.tx.supp_rates[0] = rate_mask & IWL_OFDM_RATES_MASK;
+ cmd->cmd.tx.supp_rates[0] =
+ ((rate_mask & IWL_OFDM_RATES_MASK) >> IWL_FIRST_OFDM_RATE) & 0xFF;
/* CCK */
- cmd->cmd.tx.supp_rates[1] = (rate_mask >> 8) & 0xF;
+ cmd->cmd.tx.supp_rates[1] = (rate_mask & 0xF);
IWL_DEBUG_RATE("Tx sta id: %d, rate: %d (plcp), flags: 0x%4X "
"cck/ofdm mask: 0x%x/0x%x\n", sta_id,
/* use this channel group's 6Mbit clipping/saturation pwr,
* but cap at regulatory scan power restriction (set during init
* based on eeprom channel data) for this channel. */
- power = min(ch_info->scan_power, clip_pwrs[IWL_RATE_6M_INDEX]);
+ power = min(ch_info->scan_power, clip_pwrs[IWL_RATE_6M_INDEX_TABLE]);
/* further limit to user's max power preference.
* FIXME: Other spectrum management power limitations do not
* *index*. */
power_index = ch_info->power_info[rate_index].power_table_index
- (power - ch_info->power_info
- [IWL_RATE_6M_INDEX].requested_power) * 2;
+ [IWL_RATE_6M_INDEX_TABLE].requested_power) * 2;
/* store reference index that we use when adjusting *all* scan
* powers. So we can accommodate user (all channel) or spectrum
*/
int iwl_hw_reg_send_txpower(struct iwl_priv *priv)
{
- int rate_idx;
+ int rate_idx, i;
const struct iwl_channel_info *ch_info = NULL;
struct iwl_txpowertable_cmd txpower = {
.channel = priv->active_rxon.channel,
}
/* fill cmd with power settings for all rates for current channel */
- for (rate_idx = 0; rate_idx < IWL_RATE_COUNT; rate_idx++) {
- txpower.power[rate_idx].tpc = ch_info->power_info[rate_idx].tpc;
- txpower.power[rate_idx].rate = iwl_rates[rate_idx].plcp;
+ /* Fill OFDM rate */
+ for (rate_idx = IWL_FIRST_OFDM_RATE, i = 0;
+ rate_idx <= IWL_LAST_OFDM_RATE; rate_idx++, i++) {
+
+ txpower.power[i].tpc = ch_info->power_info[i].tpc;
+ txpower.power[i].rate = iwl_rates[rate_idx].plcp;
IWL_DEBUG_POWER("ch %d:%d rf %d dsp %3d rate code 0x%02x\n",
le16_to_cpu(txpower.channel),
txpower.band,
- txpower.power[rate_idx].tpc.tx_gain,
- txpower.power[rate_idx].tpc.dsp_atten,
- txpower.power[rate_idx].rate);
+ txpower.power[i].tpc.tx_gain,
+ txpower.power[i].tpc.dsp_atten,
+ txpower.power[i].rate);
+ }
+ /* Fill CCK rates */
+ for (rate_idx = IWL_FIRST_CCK_RATE;
+ rate_idx <= IWL_LAST_CCK_RATE; rate_idx++, i++) {
+ txpower.power[i].tpc = ch_info->power_info[i].tpc;
+ txpower.power[i].rate = iwl_rates[rate_idx].plcp;
+
+ IWL_DEBUG_POWER("ch %d:%d rf %d dsp %3d rate code 0x%02x\n",
+ le16_to_cpu(txpower.channel),
+ txpower.band,
+ txpower.power[i].tpc.tx_gain,
+ txpower.power[i].tpc.dsp_atten,
+ txpower.power[i].rate);
}
return iwl_send_cmd_pdu(priv, REPLY_TX_PWR_TABLE_CMD,
- sizeof(struct iwl_txpowertable_cmd), &txpower);
+ sizeof(struct iwl_txpowertable_cmd), &txpower);
}
power_info = ch_info->power_info;
/* update OFDM Txpower settings */
- for (i = IWL_FIRST_OFDM_RATE; i <= IWL_LAST_OFDM_RATE;
+ for (i = IWL_RATE_6M_INDEX_TABLE; i <= IWL_RATE_54M_INDEX_TABLE;
i++, ++power_info) {
int delta_idx;
* ... all CCK power settings for a given channel are the *same*. */
if (power_changed) {
power =
- ch_info->power_info[IWL_RATE_12M_INDEX].
+ ch_info->power_info[IWL_RATE_12M_INDEX_TABLE].
requested_power + IWL_CCK_FROM_OFDM_POWER_DIFF;
/* do all CCK rates' iwl_channel_power_info structures */
- for (i = IWL_FIRST_CCK_RATE; i <= IWL_LAST_CCK_RATE; i++) {
+ for (i = IWL_RATE_1M_INDEX_TABLE; i <= IWL_RATE_11M_INDEX_TABLE; i++) {
power_info->requested_power = power;
power_info->base_power_index =
- ch_info->power_info[IWL_RATE_12M_INDEX].
+ ch_info->power_info[IWL_RATE_12M_INDEX_TABLE].
base_power_index + IWL_CCK_FROM_OFDM_INDEX_DIFF;
++power_info;
}
for (scan_tbl_index = 0;
scan_tbl_index < IWL_NUM_SCAN_RATES; scan_tbl_index++) {
s32 actual_index = (scan_tbl_index == 0) ?
- IWL_RATE_1M_INDEX : IWL_RATE_6M_INDEX;
+ IWL_RATE_1M_INDEX_TABLE : IWL_RATE_6M_INDEX_TABLE;
iwl_hw_reg_set_scan_power(priv, scan_tbl_index,
actual_index, clip_pwrs,
ch_info, a_band);
for (rate_index = 0;
rate_index < IWL_RATE_COUNT; rate_index++, clip_pwrs++) {
switch (rate_index) {
- case IWL_RATE_36M_INDEX:
+ case IWL_RATE_36M_INDEX_TABLE:
if (i == 0) /* B/G */
*clip_pwrs = satur_pwr;
else /* A */
*clip_pwrs = satur_pwr - 5;
break;
- case IWL_RATE_48M_INDEX:
+ case IWL_RATE_48M_INDEX_TABLE:
if (i == 0)
*clip_pwrs = satur_pwr - 7;
else
*clip_pwrs = satur_pwr - 10;
break;
- case IWL_RATE_54M_INDEX:
+ case IWL_RATE_54M_INDEX_TABLE:
if (i == 0)
*clip_pwrs = satur_pwr - 9;
else
}
/* set tx power for CCK rates, based on OFDM 12 Mbit settings*/
- pwr_info = &ch_info->power_info[IWL_RATE_12M_INDEX];
+ pwr_info = &ch_info->power_info[IWL_RATE_12M_INDEX_TABLE];
power = pwr_info->requested_power +
IWL_CCK_FROM_OFDM_POWER_DIFF;
pwr_index = pwr_info->power_table_index +
/* fill each CCK rate's iwl_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 = IWL_OFDM_RATES;
- rate_index < IWL_RATE_COUNT; rate_index++) {
- pwr_info = &ch_info->power_info[rate_index];
+ for (rate_index = 0;
+ rate_index < IWL_CCK_RATES; rate_index++) {
+ pwr_info = &ch_info->power_info[rate_index+IWL_OFDM_RATES];
pwr_info->requested_power = power;
pwr_info->power_table_index = pwr_index;
pwr_info->base_power_index = base_pwr_index;
for (scan_tbl_index = 0;
scan_tbl_index < IWL_NUM_SCAN_RATES; scan_tbl_index++) {
s32 actual_index = (scan_tbl_index == 0) ?
- IWL_RATE_1M_INDEX : IWL_RATE_6M_INDEX;
+ IWL_RATE_1M_INDEX_TABLE : IWL_RATE_6M_INDEX_TABLE;
iwl_hw_reg_set_scan_power(priv, scan_tbl_index,
actual_index, clip_pwrs, ch_info, a_band);
}
*/
int iwl3945_init_hw_rate_table(struct iwl_priv *priv)
{
- int rc, i;
+ int rc, i, index, prev_index;
struct iwl_rate_scaling_cmd rate_cmd = {
.reserved = {0, 0, 0},
};
struct iwl_rate_scaling_info *table = rate_cmd.table;
for (i = 0; i < ARRAY_SIZE(iwl_rates); i++) {
- table[i].rate_n_flags =
+ index = iwl_rates[i].table_rs_index;
+
+ table[index].rate_n_flags =
iwl_hw_set_rate_n_flags(iwl_rates[i].plcp, 0);
- table[i].try_cnt = priv->retry_rate;
- table[i].next_rate_index = iwl_get_prev_ieee_rate(i);
+ table[index].try_cnt = priv->retry_rate;
+ prev_index = iwl_get_prev_ieee_rate(i);
+ table[index].next_rate_index = iwl_rates[prev_index].table_rs_index;
}
switch (priv->phymode) {
IWL_DEBUG_RATE("Select A mode rate scale\n");
/* If one of the following CCK rates is used,
* have it fall back to the 6M OFDM rate */
- for (i = IWL_FIRST_CCK_RATE; i <= IWL_LAST_CCK_RATE; i++)
- table[i].next_rate_index = IWL_FIRST_OFDM_RATE;
+ for (i = IWL_RATE_1M_INDEX_TABLE; i <= IWL_RATE_11M_INDEX_TABLE; i++)
+ table[i].next_rate_index = iwl_rates[IWL_FIRST_OFDM_RATE].table_rs_index;
/* Don't fall back to CCK rates */
- table[IWL_RATE_12M_INDEX].next_rate_index = IWL_RATE_9M_INDEX;
+ table[IWL_RATE_12M_INDEX_TABLE].next_rate_index = IWL_RATE_9M_INDEX_TABLE;
/* Don't drop out of OFDM rates */
- table[IWL_FIRST_OFDM_RATE].next_rate_index =
- IWL_FIRST_OFDM_RATE;
+ table[IWL_RATE_6M_INDEX_TABLE].next_rate_index =
+ iwl_rates[IWL_FIRST_OFDM_RATE].table_rs_index;
break;
case MODE_IEEE80211B:
IWL_DEBUG_RATE("Select B mode rate scale\n");
/* If an OFDM rate is used, have it fall back to the
* 1M CCK rates */
- for (i = IWL_FIRST_OFDM_RATE; i <= IWL_LAST_OFDM_RATE; i++)
- table[i].next_rate_index = IWL_FIRST_CCK_RATE;
+ for (i = IWL_RATE_6M_INDEX_TABLE; i <= IWL_RATE_54M_INDEX_TABLE; i++)
+ table[i].next_rate_index = iwl_rates[IWL_FIRST_CCK_RATE].table_rs_index;
/* CCK shouldn't fall back to OFDM... */
- table[IWL_RATE_11M_INDEX].next_rate_index = IWL_RATE_5M_INDEX;
+ table[IWL_RATE_11M_INDEX_TABLE].next_rate_index = IWL_RATE_5M_INDEX_TABLE;
break;
default:
tx_beacon_cmd->tx.tx_flags = (TX_CMD_FLG_SEQ_CTL_MSK |
TX_CMD_FLG_TSF_MSK);
- /* supp_rates[0] == OFDM */
- tx_beacon_cmd->tx.supp_rates[0] = IWL_OFDM_BASIC_RATES_MASK;
-
- /* supp_rates[1] == CCK
- *
- * NOTE: IWL_*_RATES_MASK are not in the order that supp_rates
- * expects so we have to shift them around.
- *
- * supp_rates expects:
- * CCK rates are bit0..3
- *
- * However IWL_*_RATES_MASK has:
- * CCK rates are bit8..11
- */
+ /* supp_rates[0] == OFDM start at IWL_FIRST_OFDM_RATE*/
+ tx_beacon_cmd->tx.supp_rates[0] =
+ (IWL_OFDM_BASIC_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF;
+
tx_beacon_cmd->tx.supp_rates[1] =
- (IWL_CCK_BASIC_RATES_MASK >> 8) & 0xF;
+ (IWL_CCK_BASIC_RATES_MASK & 0xF);
return (sizeof(struct iwl_tx_beacon_cmd) + frame_size);
}
projects / linux-2.6 / commitdiff