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iwlwifi: move rate helpers to iwlcore 

This patch moves rate helpers to iwlcore.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Tomas Winkler 2008-06-12 09:47:11 +08:00 коммит произвёл John W. Linville
Родитель 2a421b91d6
Коммит e7d326ac43
12 изменённых файлов: 106 добавлений и 106 удалений
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13
drivers/net/wireless/iwlwifi/iwl-4965-hw.h
Просмотреть файл

@ -793,19 +793,6 @@ enum {
/********************* END TXPOWER *****************************************/
static inline u8 iwl4965_hw_get_rate(__le32 rate_n_flags)
{
return le32_to_cpu(rate_n_flags) & 0xFF;
}
static inline u32 iwl4965_hw_get_rate_n_flags(__le32 rate_n_flags)
{
return le32_to_cpu(rate_n_flags) & 0x1FFFF;
}
static inline __le32 iwl4965_hw_set_rate_n_flags(u8 rate, u16 flags)
{
return cpu_to_le32(flags|(u16)rate);
}
/**
* Tx/Rx Queues

8
drivers/net/wireless/iwlwifi/iwl-4965-rs.c
Просмотреть файл

@ -536,7 +536,7 @@ static int rs_get_tbl_info_from_mcs(const u32 rate_n_flags,
u8 num_of_ant = get_num_of_ant_from_rate(rate_n_flags);
u8 mcs;
*rate_idx = iwl4965_hwrate_to_plcp_idx(rate_n_flags);
*rate_idx = iwl_hwrate_to_plcp_idx(rate_n_flags);
if (*rate_idx == IWL_RATE_INVALID) {
*rate_idx = -1;
@ -1811,8 +1811,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
tbl = &(lq_sta->lq_info[active_tbl]);
/* Revert to "active" rate and throughput info */
index = iwl4965_hwrate_to_plcp_idx(
tbl->current_rate);
index = iwl_hwrate_to_plcp_idx(tbl->current_rate);
current_tpt = lq_sta->last_tpt;
/* Need to set up a new rate table in uCode */
@ -1966,8 +1965,7 @@ lq_update:
rs_rate_scale_clear_window(&(tbl->win[i]));
/* Use new "search" start rate */
index = iwl4965_hwrate_to_plcp_idx(
tbl->current_rate);
index = iwl_hwrate_to_plcp_idx(tbl->current_rate);
IWL_DEBUG_RATE("Switch current mcs: %X index: %d\n",
tbl->current_rate, index);

2
drivers/net/wireless/iwlwifi/iwl-4965-rs.h
Просмотреть файл

@ -286,8 +286,6 @@ static inline u8 iwl4965_get_prev_ieee_rate(u8 rate_index)
return rate;
}
extern int iwl4965_hwrate_to_plcp_idx(u32 rate_n_flags);
/**
* iwl4965_fill_rs_info - Fill an output text buffer with the rate representation
*

79
drivers/net/wireless/iwlwifi/iwl-4965.c
Просмотреть файл

@ -307,60 +307,6 @@ static int is_fat_channel(__le32 rxon_flags)
(rxon_flags & RXON_FLG_CHANNEL_MODE_MIXED_MSK);
}
int iwl4965_hwrate_to_plcp_idx(u32 rate_n_flags)
{
int idx = 0;
/* 4965 HT rate format */
if (rate_n_flags & RATE_MCS_HT_MSK) {
idx = (rate_n_flags & 0xff);
if (idx >= IWL_RATE_MIMO2_6M_PLCP)
idx = idx - IWL_RATE_MIMO2_6M_PLCP;
idx += IWL_FIRST_OFDM_RATE;
/* skip 9M not supported in ht*/
if (idx >= IWL_RATE_9M_INDEX)
idx += 1;
if ((idx >= IWL_FIRST_OFDM_RATE) && (idx <= IWL_LAST_OFDM_RATE))
return idx;
/* 4965 legacy rate format, search for match in table */
} else {
for (idx = 0; idx < ARRAY_SIZE(iwl_rates); idx++)
if (iwl_rates[idx].plcp == (rate_n_flags & 0xFF))
return idx;
}
return -1;
}
/**
* translate ucode response to mac80211 tx status control values
*/
void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags,
struct ieee80211_tx_info *control)
{
int rate_index;
control->antenna_sel_tx =
((rate_n_flags & RATE_MCS_ANT_ABC_MSK) >> RATE_MCS_ANT_POS);
if (rate_n_flags & RATE_MCS_HT_MSK)
control->flags |= IEEE80211_TX_CTL_OFDM_HT;
if (rate_n_flags & RATE_MCS_GF_MSK)
control->flags |= IEEE80211_TX_CTL_GREEN_FIELD;
if (rate_n_flags & RATE_MCS_FAT_MSK)
control->flags |= IEEE80211_TX_CTL_40_MHZ_WIDTH;
if (rate_n_flags & RATE_MCS_DUP_MSK)
control->flags |= IEEE80211_TX_CTL_DUP_DATA;
if (rate_n_flags & RATE_MCS_SGI_MSK)
control->flags |= IEEE80211_TX_CTL_SHORT_GI;
rate_index = iwl4965_hwrate_to_plcp_idx(rate_n_flags);
if (control->band == IEEE80211_BAND_5GHZ)
rate_index -= IWL_FIRST_OFDM_RATE;
control->tx_rate_idx = rate_index;
}
/*
* EEPROM handlers
*/
@ -1796,10 +1742,10 @@ unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
if ((rate == IWL_RATE_1M_PLCP) || (rate >= IWL_RATE_2M_PLCP))
tx_beacon_cmd->tx.rate_n_flags =
iwl4965_hw_set_rate_n_flags(rate, RATE_MCS_CCK_MSK);
iwl_hw_set_rate_n_flags(rate, RATE_MCS_CCK_MSK);
else
tx_beacon_cmd->tx.rate_n_flags =
iwl4965_hw_set_rate_n_flags(rate, 0);
iwl_hw_set_rate_n_flags(rate, 0);
tx_beacon_cmd->tx.tx_flags = (TX_CMD_FLG_SEQ_CTL_MSK |
TX_CMD_FLG_TSF_MSK | TX_CMD_FLG_STA_RATE_MSK);
@ -2568,7 +2514,7 @@ static void iwl4965_dbg_report_frame(struct iwl_priv *priv,
else
title = "Frame";
rate_idx = iwl4965_hwrate_to_plcp_idx(rate_sym);
rate_idx = iwl_hwrate_to_plcp_idx(rate_sym);
if (unlikely(rate_idx == -1))
bitrate = 0;
else
@ -2633,7 +2579,7 @@ void iwl4965_rx_reply_rx(struct iwl_priv *priv,
rx_status.band = (rx_start->phy_flags & RX_RES_PHY_FLAGS_BAND_24_MSK) ?
IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
rx_status.rate_idx =
iwl4965_hwrate_to_plcp_idx(le32_to_cpu(rx_start->rate_n_flags));
iwl_hwrate_to_plcp_idx(le32_to_cpu(rx_start->rate_n_flags));
if (rx_status.band == IEEE80211_BAND_5GHZ)
rx_status.rate_idx -= IWL_FIRST_OFDM_RATE;
@ -2842,7 +2788,7 @@ static int iwl4965_tx_status_reply_compressed_ba(struct iwl_priv *priv,
info->flags |= IEEE80211_TX_STAT_AMPDU;
info->status.ampdu_ack_map = successes;
info->status.ampdu_ack_len = agg->frame_count;
iwl4965_hwrate_to_tx_control(priv, agg->rate_n_flags, info);
iwl_hwrate_to_tx_control(priv, agg->rate_n_flags, info);
IWL_DEBUG_TX_REPLY("Bitmap %llx\n", (unsigned long long)bitmap);
@ -3189,15 +3135,15 @@ static int iwl4965_tx_status_reply_tx(struct iwl_priv *priv,
struct agg_tx_status *frame_status = tx_resp->u.agg_status;
struct ieee80211_tx_info *info = NULL;
struct ieee80211_hdr *hdr = NULL;
u32 rate_n_flags = le32_to_cpu(tx_resp->rate_n_flags);
int i, sh, idx;
u16 seq;
if (agg->wait_for_ba)
IWL_DEBUG_TX_REPLY("got tx response w/o block-ack\n");
agg->frame_count = tx_resp->frame_count;
agg->start_idx = start_idx;
agg->rate_n_flags = le32_to_cpu(tx_resp->rate_n_flags);
agg->rate_n_flags = rate_n_flags;
agg->bitmap = 0;
/* # frames attempted by Tx command */
@ -3215,15 +3161,12 @@ static int iwl4965_tx_status_reply_tx(struct iwl_priv *priv,
info->flags &= ~IEEE80211_TX_CTL_AMPDU;
info->flags |= iwl_is_tx_success(status)?
IEEE80211_TX_STAT_ACK : 0;
iwl4965_hwrate_to_tx_control(priv,
le32_to_cpu(tx_resp->rate_n_flags),
info);
iwl_hwrate_to_tx_control(priv, rate_n_flags, info);
/* FIXME: code repetition end */
IWL_DEBUG_TX_REPLY("1 Frame 0x%x failure :%d\n",
status & 0xff, tx_resp->failure_frame);
IWL_DEBUG_TX_REPLY("Rate Info rate_n_flags=%x\n",
iwl4965_hw_get_rate_n_flags(tx_resp->rate_n_flags));
IWL_DEBUG_TX_REPLY("Rate Info rate_n_flags=%x\n", rate_n_flags);
agg->wait_for_ba = 0;
} else {
@ -3281,7 +3224,6 @@ static int iwl4965_tx_status_reply_tx(struct iwl_priv *priv,
agg->bitmap = bitmap;
agg->start_idx = start;
agg->rate_n_flags = le32_to_cpu(tx_resp->rate_n_flags);
IWL_DEBUG_TX_REPLY("Frames %d start_idx=%d bitmap=0x%llx\n",
agg->frame_count, agg->start_idx,
(unsigned long long)agg->bitmap);
@ -3375,7 +3317,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
info->status.retry_count = tx_resp->failure_frame;
info->flags |=
iwl_is_tx_success(status) ? IEEE80211_TX_STAT_ACK : 0;
iwl4965_hwrate_to_tx_control(priv,
iwl_hwrate_to_tx_control(priv,
le32_to_cpu(tx_resp->rate_n_flags),
info);
@ -3386,6 +3328,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
tx_resp->failure_frame);
IWL_DEBUG_TX_REPLY("Tx queue reclaim %d\n", index);
if (index != -1) {
int freed = iwl_tx_queue_reclaim(priv, txq_id, index);
if (tid != MAX_TID_COUNT)

14
drivers/net/wireless/iwlwifi/iwl-5000.c
Просмотреть файл

@ -1139,6 +1139,7 @@ static int iwl5000_tx_status_reply_tx(struct iwl_priv *priv,
struct agg_tx_status *frame_status = &tx_resp->status;
struct ieee80211_tx_info *info = NULL;
struct ieee80211_hdr *hdr = NULL;
u32 rate_n_flags = le32_to_cpu(tx_resp->rate_n_flags);
int i, sh, idx;
u16 seq;
@ -1147,7 +1148,7 @@ static int iwl5000_tx_status_reply_tx(struct iwl_priv *priv,
agg->frame_count = tx_resp->frame_count;
agg->start_idx = start_idx;
agg->rate_n_flags = le32_to_cpu(tx_resp->rate_n_flags);
agg->rate_n_flags = rate_n_flags;
agg->bitmap = 0;
/* # frames attempted by Tx command */
@ -1165,15 +1166,13 @@ static int iwl5000_tx_status_reply_tx(struct iwl_priv *priv,
info->flags &= ~IEEE80211_TX_CTL_AMPDU;
info->flags |= iwl_is_tx_success(status)?
IEEE80211_TX_STAT_ACK : 0;
iwl4965_hwrate_to_tx_control(priv,
le32_to_cpu(tx_resp->rate_n_flags),
info);
iwl_hwrate_to_tx_control(priv, rate_n_flags, info);
/* FIXME: code repetition end */
IWL_DEBUG_TX_REPLY("1 Frame 0x%x failure :%d\n",
status & 0xff, tx_resp->failure_frame);
IWL_DEBUG_TX_REPLY("Rate Info rate_n_flags=%x\n",
iwl4965_hw_get_rate_n_flags(tx_resp->rate_n_flags));
IWL_DEBUG_TX_REPLY("Rate Info rate_n_flags=%x\n", rate_n_flags);
agg->wait_for_ba = 0;
} else {
@ -1231,7 +1230,6 @@ static int iwl5000_tx_status_reply_tx(struct iwl_priv *priv,
agg->bitmap = bitmap;
agg->start_idx = start;
agg->rate_n_flags = le32_to_cpu(tx_resp->rate_n_flags);
IWL_DEBUG_TX_REPLY("Frames %d start_idx=%d bitmap=0x%llx\n",
agg->frame_count, agg->start_idx,
(unsigned long long)agg->bitmap);
@ -1322,7 +1320,7 @@ static void iwl5000_rx_reply_tx(struct iwl_priv *priv,
info->status.retry_count = tx_resp->failure_frame;
info->flags =
iwl_is_tx_success(status) ? IEEE80211_TX_STAT_ACK : 0;
iwl4965_hwrate_to_tx_control(priv,
iwl_hwrate_to_tx_control(priv,
le32_to_cpu(tx_resp->rate_n_flags),
info);

57
drivers/net/wireless/iwlwifi/iwl-core.c
Просмотреть файл

@ -85,6 +85,63 @@ const struct iwl_rate_info iwl_rates[IWL_RATE_COUNT] = {
};
EXPORT_SYMBOL(iwl_rates);
/**
* translate ucode response to mac80211 tx status control values
*/
void iwl_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags,
struct ieee80211_tx_info *control)
{
int rate_index;
control->antenna_sel_tx =
((rate_n_flags & RATE_MCS_ANT_ABC_MSK) >> RATE_MCS_ANT_POS);
if (rate_n_flags & RATE_MCS_HT_MSK)
control->flags |= IEEE80211_TX_CTL_OFDM_HT;
if (rate_n_flags & RATE_MCS_GF_MSK)
control->flags |= IEEE80211_TX_CTL_GREEN_FIELD;
if (rate_n_flags & RATE_MCS_FAT_MSK)
control->flags |= IEEE80211_TX_CTL_40_MHZ_WIDTH;
if (rate_n_flags & RATE_MCS_DUP_MSK)
control->flags |= IEEE80211_TX_CTL_DUP_DATA;
if (rate_n_flags & RATE_MCS_SGI_MSK)
control->flags |= IEEE80211_TX_CTL_SHORT_GI;
rate_index = iwl_hwrate_to_plcp_idx(rate_n_flags);
if (control->band == IEEE80211_BAND_5GHZ)
rate_index -= IWL_FIRST_OFDM_RATE;
control->tx_rate_idx = rate_index;
}
EXPORT_SYMBOL(iwl_hwrate_to_tx_control);
int iwl_hwrate_to_plcp_idx(u32 rate_n_flags)
{
int idx = 0;
/* HT rate format */
if (rate_n_flags & RATE_MCS_HT_MSK) {
idx = (rate_n_flags & 0xff);
if (idx >= IWL_RATE_MIMO2_6M_PLCP)
idx = idx - IWL_RATE_MIMO2_6M_PLCP;
idx += IWL_FIRST_OFDM_RATE;
/* skip 9M not supported in ht*/
if (idx >= IWL_RATE_9M_INDEX)
idx += 1;
if ((idx >= IWL_FIRST_OFDM_RATE) && (idx <= IWL_LAST_OFDM_RATE))
return idx;
/* legacy rate format, search for match in table */
} else {
for (idx = 0; idx < ARRAY_SIZE(iwl_rates); idx++)
if (iwl_rates[idx].plcp == (rate_n_flags & 0xFF))
return idx;
}
return -1;
}
EXPORT_SYMBOL(iwl_hwrate_to_plcp_idx);
const u8 iwl_bcast_addr[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
EXPORT_SYMBOL(iwl_bcast_addr);

21
drivers/net/wireless/iwlwifi/iwl-core.h
Просмотреть файл

@ -243,6 +243,27 @@ int iwl_txq_check_empty(struct iwl_priv *priv, int sta_id, u8 tid, int txq_id);
****************************************************/
int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force);
/*******************************************************************************
* Rate
******************************************************************************/
void iwl_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags,
struct ieee80211_tx_info *info);
int iwl_hwrate_to_plcp_idx(u32 rate_n_flags);
static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
{
return le32_to_cpu(rate_n_flags) & 0xFF;
}
static inline u32 iwl_hw_get_rate_n_flags(__le32 rate_n_flags)
{
return le32_to_cpu(rate_n_flags) & 0x1FFFF;
}
static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
{
return cpu_to_le32(flags|(u32)rate);
}
/*******************************************************************************
* Scanning
******************************************************************************/

3
drivers/net/wireless/iwlwifi/iwl-dev.h
Просмотреть файл

@ -733,9 +733,6 @@ extern int iwl4965_tx_queue_update_wr_ptr(struct iwl_priv *priv,
extern int iwl4965_alive_notify(struct iwl_priv *priv);
extern void iwl4965_update_rate_scaling(struct iwl_priv *priv, u8 mode);
extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv);
extern void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv,
u32 rate_n_flags,
struct ieee80211_tx_info *info);
extern void iwl4965_init_ht_hw_capab(const struct iwl_priv *priv,
struct ieee80211_ht_info *ht_info,

9
drivers/net/wireless/iwlwifi/iwl-scan.c
Просмотреть файл

@ -792,8 +792,9 @@ static void iwl_bg_request_scan(struct work_struct *data)
case 2:
scan->flags = RXON_FLG_BAND_24G_MSK | RXON_FLG_AUTO_DETECT_MSK;
scan->tx_cmd.rate_n_flags =
iwl4965_hw_set_rate_n_flags(IWL_RATE_1M_PLCP,
RATE_MCS_ANT_B_MSK|RATE_MCS_CCK_MSK);
iwl_hw_set_rate_n_flags(IWL_RATE_1M_PLCP,
RATE_MCS_ANT_B_MSK|
RATE_MCS_CCK_MSK);
scan->good_CRC_th = 0;
band = IEEE80211_BAND_2GHZ;
@ -801,8 +802,8 @@ static void iwl_bg_request_scan(struct work_struct *data)
case 1:
scan->tx_cmd.rate_n_flags =
iwl4965_hw_set_rate_n_flags(IWL_RATE_6M_PLCP,
RATE_MCS_ANT_B_MSK);
iwl_hw_set_rate_n_flags(IWL_RATE_6M_PLCP,
RATE_MCS_ANT_B_MSK);
scan->good_CRC_th = IWL_GOOD_CRC_TH;
band = IEEE80211_BAND_5GHZ;
break;

2
drivers/net/wireless/iwlwifi/iwl-sta.c
Просмотреть файл

@ -824,7 +824,7 @@ static void iwl_sta_init_lq(struct iwl_priv *priv, const u8 *addr, int is_ap)
rate_flags |= RATE_MCS_ANT_B_MSK; /*FIXME:RS*/
link_cmd.rs_table[i].rate_n_flags =
iwl4965_hw_set_rate_n_flags(iwl_rates[r].plcp, rate_flags);
iwl_hw_set_rate_n_flags(iwl_rates[r].plcp, rate_flags);
r = iwl4965_get_prev_ieee_rate(r);
}

2
drivers/net/wireless/iwlwifi/iwl-tx.c
Просмотреть файл

@ -696,7 +696,7 @@ static void iwl_tx_cmd_build_rate(struct iwl_priv *priv,
tx_cmd->rts_retry_limit = rts_retry_limit;
tx_cmd->data_retry_limit = data_retry_limit;
tx_cmd->rate_n_flags = iwl4965_hw_set_rate_n_flags(rate_plcp, rate_flags);
tx_cmd->rate_n_flags = iwl_hw_set_rate_n_flags(rate_plcp, rate_flags);
}
static void iwl_tx_cmd_build_hwcrypto(struct iwl_priv *priv,

2
drivers/net/wireless/iwlwifi/iwl4965-base.c
Просмотреть файл

@ -1331,7 +1331,7 @@ static void iwl4965_rx_beacon_notif(struct iwl_priv *priv,
#ifdef CONFIG_IWLWIFI_DEBUG
struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
struct iwl4965_beacon_notif *beacon = &(pkt->u.beacon_status);
u8 rate = iwl4965_hw_get_rate(beacon->beacon_notify_hdr.rate_n_flags);
u8 rate = iwl_hw_get_rate(beacon->beacon_notify_hdr.rate_n_flags);
IWL_DEBUG_RX("beacon status %x retries %d iss %d "
"tsf %d %d rate %d\n",