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iwlwifi: set sm_ps_mode as part of cfg parameters 

Setting "Spatial multiplexing Power Save" as part of
per device configuration parameter.

Report to uCode based on priv->conf setting, so driver can
have more control of how different devices should operate
in power save mode.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Wey-Yi Guy 2009-11-20 12:04:55 -08:00 committed by John W. Linville
parent d5f4cf71f7
commit c15d20c1d1
8 changed files with 30 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/iwlwifi/iwl-1000.c
View File

@ -173,6 +173,7 @@ struct iwl_cfg iwl1000_bgn_cfg = {
.use_rts_for_ht = true, /* use rts/cts protection */
.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
.support_ct_kill_exit = true,
.sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
};
struct iwl_cfg iwl1000_bg_cfg = {

1
drivers/net/wireless/iwlwifi/iwl-4965.c
View File

@ -2238,6 +2238,7 @@ struct iwl_cfg iwl4965_agn_cfg = {
.broken_powersave = true,
.led_compensation = 61,
.chain_noise_num_beacons = IWL4965_CAL_NUM_BEACONS,
.sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
};
/* Module firmware */

4
drivers/net/wireless/iwlwifi/iwl-5000.c
View File

@ -1597,6 +1597,7 @@ struct iwl_cfg iwl5300_agn_cfg = {
.ht_greenfield_support = true,
.led_compensation = 51,
.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
.sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
};
struct iwl_cfg iwl5100_bg_cfg = {
@ -1666,6 +1667,7 @@ struct iwl_cfg iwl5100_agn_cfg = {
.ht_greenfield_support = true,
.led_compensation = 51,
.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
.sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
};
struct iwl_cfg iwl5350_agn_cfg = {
@ -1689,6 +1691,7 @@ struct iwl_cfg iwl5350_agn_cfg = {
.ht_greenfield_support = true,
.led_compensation = 51,
.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
.sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
};
struct iwl_cfg iwl5150_agn_cfg = {
@ -1712,6 +1715,7 @@ struct iwl_cfg iwl5150_agn_cfg = {
.ht_greenfield_support = true,
.led_compensation = 51,
.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
.sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
};
MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE(IWL5000_UCODE_API_MAX));

4
drivers/net/wireless/iwlwifi/iwl-6000.c
View File

@ -306,6 +306,7 @@ struct iwl_cfg iwl6000i_2agn_cfg = {
.supports_idle = true,
.adv_thermal_throttle = true,
.support_ct_kill_exit = true,
.sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
};
struct iwl_cfg iwl6000i_2abg_cfg = {
@ -394,7 +395,7 @@ struct iwl_cfg iwl6050_2agn_cfg = {
.supports_idle = true,
.adv_thermal_throttle = true,
.support_ct_kill_exit = true,
.support_sm_ps = true,
.sm_ps_mode = WLAN_HT_CAP_SM_PS_DYNAMIC,
};
struct iwl_cfg iwl6050_2abg_cfg = {
@ -454,6 +455,7 @@ struct iwl_cfg iwl6000_3agn_cfg = {
.supports_idle = true,
.adv_thermal_throttle = true,
.support_ct_kill_exit = true,
.sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
};
MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));

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

@ -3135,10 +3135,6 @@ static int iwl_init_drv(struct iwl_priv *priv)
priv->band = IEEE80211_BAND_2GHZ;
priv->iw_mode = NL80211_IFTYPE_STATION;
if (priv->cfg->support_sm_ps)
priv->current_ht_config.sm_ps = WLAN_HT_CAP_SM_PS_DYNAMIC;
else
priv->current_ht_config.sm_ps = WLAN_HT_CAP_SM_PS_DISABLED;
/* Choose which receivers/antennas to use */
if (priv->cfg->ops->hcmd->set_rxon_chain)

45
drivers/net/wireless/iwlwifi/iwl-core.c
View File

@ -449,13 +449,8 @@ static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv,
if (priv->cfg->ht_greenfield_support)
ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
if (priv->cfg->support_sm_ps)
ht_info->cap |= (IEEE80211_HT_CAP_SM_PS &
(WLAN_HT_CAP_SM_PS_DYNAMIC << 2));
else
ht_info->cap |= (IEEE80211_HT_CAP_SM_PS &
(WLAN_HT_CAP_SM_PS_DISABLED << 2));
ht_info->cap |= (IEEE80211_HT_CAP_SM_PS &
(priv->cfg->sm_ps_mode << 2));
max_bit_rate = MAX_BIT_RATE_20_MHZ;
if (priv->hw_params.ht40_channel & BIT(band)) {
ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
@ -1010,25 +1005,23 @@ static int iwl_get_idle_rx_chain_count(struct iwl_priv *priv, int active_cnt)
int idle_cnt = active_cnt;
bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status);
if (priv->cfg->support_sm_ps) {
/* # Rx chains when idling and maybe trying to save power */
switch (priv->current_ht_config.sm_ps) {
case WLAN_HT_CAP_SM_PS_STATIC:
case WLAN_HT_CAP_SM_PS_DYNAMIC:
idle_cnt = (is_cam) ? IWL_NUM_IDLE_CHAINS_DUAL :
IWL_NUM_IDLE_CHAINS_SINGLE;
break;
case WLAN_HT_CAP_SM_PS_DISABLED:
idle_cnt = (is_cam) ? active_cnt :
IWL_NUM_IDLE_CHAINS_SINGLE;
break;
case WLAN_HT_CAP_SM_PS_INVALID:
default:
IWL_ERR(priv, "invalid sm_ps mode %d\n",
priv->current_ht_config.sm_ps);
WARN_ON(1);
break;
}
/* # Rx chains when idling and maybe trying to save power */
switch (priv->cfg->sm_ps_mode) {
case WLAN_HT_CAP_SM_PS_STATIC:
idle_cnt = (is_cam) ? active_cnt : IWL_NUM_IDLE_CHAINS_SINGLE;
break;
case WLAN_HT_CAP_SM_PS_DYNAMIC:
idle_cnt = (is_cam) ? IWL_NUM_IDLE_CHAINS_DUAL :
IWL_NUM_IDLE_CHAINS_SINGLE;
break;
case WLAN_HT_CAP_SM_PS_DISABLED:
break;
case WLAN_HT_CAP_SM_PS_INVALID:
default:
IWL_ERR(priv, "invalid sm_ps mode %u\n",
priv->cfg->sm_ps_mode);
WARN_ON(1);
break;
}
return idle_cnt;
}

4
drivers/net/wireless/iwlwifi/iwl-core.h
View File

@ -228,7 +228,7 @@ struct iwl_mod_params {
* @chain_noise_num_beacons: number of beacons used to compute chain noise
* @adv_thermal_throttle: support advance thermal throttle
* @support_ct_kill_exit: support ct kill exit condition
* @support_sm_ps: support spatial multiplexing power save
* @sm_ps_mode: spatial multiplexing power save mode
* @support_wimax_coexist: support wimax/wifi co-exist
*
* We enable the driver to be backward compatible wrt API version. The
@ -285,7 +285,7 @@ struct iwl_cfg {
const bool supports_idle;
bool adv_thermal_throttle;
bool support_ct_kill_exit;
bool support_sm_ps;
u8 sm_ps_mode;
const bool support_wimax_coexist;
};

1
drivers/net/wireless/iwlwifi/iwl-dev.h
View File

@ -511,7 +511,6 @@ struct iwl_ht_config {
bool is_ht;
bool is_40mhz;
bool single_chain_sufficient;
u8 sm_ps;
/* BSS related data */
u8 extension_chan_offset;
u8 ht_protection;