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iwlwifi: use new mac80211 SMPS

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Instead of hard-coding the SM PS mode per hardware,
this makes iwlwifi support the new mac80211 API for
controlling the SM PS mode.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2009-12-10 14:37:27 -08:00 committed by John W. Linville
parent 11466f1342
commit ba37a3d039
8 changed files with 32 additions and 38 deletions
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1
drivers/net/wireless/iwlwifi/iwl-1000.c
View File

@ -174,7 +174,6 @@ 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

@ -2239,7 +2239,6 @@ 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

@ -1600,7 +1600,6 @@ 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_bgn_cfg = {
@ -1669,7 +1668,6 @@ 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 = {
@ -1693,7 +1691,6 @@ 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 = {
@ -1717,7 +1714,6 @@ 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,
};
struct iwl_cfg iwl5150_abg_cfg = {

3
drivers/net/wireless/iwlwifi/iwl-6000.c
View File

@ -307,7 +307,6 @@ 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 = {
@ -396,7 +395,6 @@ struct iwl_cfg iwl6050_2agn_cfg = {
.supports_idle = true,
.adv_thermal_throttle = true,
.support_ct_kill_exit = true,
.sm_ps_mode = WLAN_HT_CAP_SM_PS_DYNAMIC,
};
struct iwl_cfg iwl6050_2abg_cfg = {
@ -456,7 +454,6 @@ 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));

5
drivers/net/wireless/iwlwifi/iwl-agn.c
View File

@ -2623,6 +2623,10 @@ static int iwl_setup_mac(struct iwl_priv *priv)
hw->flags |= IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_SUPPORTS_DYNAMIC_PS;
if (priv->cfg->sku & IWL_SKU_N)
hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
IEEE80211_HW_SUPPORTS_STATIC_SMPS;
hw->sta_data_size = sizeof(struct iwl_station_priv);
hw->wiphy->interface_modes =
BIT(NL80211_IFTYPE_STATION) |
@ -3361,6 +3365,7 @@ static int iwl_init_drv(struct iwl_priv *priv)
priv->band = IEEE80211_BAND_2GHZ;
priv->iw_mode = NL80211_IFTYPE_STATION;
priv->current_ht_config.smps = IEEE80211_SMPS_STATIC;
/* Choose which receivers/antennas to use */
if (priv->cfg->ops->hcmd->set_rxon_chain)

53
drivers/net/wireless/iwlwifi/iwl-core.c
View File

@ -450,8 +450,6 @@ 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;
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;
@ -636,7 +634,7 @@ EXPORT_SYMBOL(iwlcore_rts_tx_cmd_flag);
static bool is_single_rx_stream(struct iwl_priv *priv)
{
return !priv->current_ht_config.is_ht ||
return priv->current_ht_config.smps == IEEE80211_SMPS_STATIC ||
priv->current_ht_config.single_chain_sufficient;
}
@ -1003,28 +1001,18 @@ static int iwl_get_active_rx_chain_count(struct iwl_priv *priv)
*/
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);
/* # 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:
/* # Rx chains when idling, depending on SMPS mode */
switch (priv->current_ht_config.smps) {
case IEEE80211_SMPS_STATIC:
case IEEE80211_SMPS_DYNAMIC:
return IWL_NUM_IDLE_CHAINS_SINGLE;
case IEEE80211_SMPS_OFF:
return active_cnt;
default:
IWL_ERR(priv, "invalid sm_ps mode %u\n",
priv->cfg->sm_ps_mode);
WARN_ON(1);
break;
WARN(1, "invalid SMPS mode %d",
priv->current_ht_config.smps);
return active_cnt;
}
return idle_cnt;
}
/* up to 4 chains */
@ -2686,6 +2674,21 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
IWL_DEBUG_MAC80211(priv, "leave - scanning\n");
}
if (changed & (IEEE80211_CONF_CHANGE_SMPS |
IEEE80211_CONF_CHANGE_CHANNEL)) {
/* mac80211 uses static for non-HT which is what we want */
priv->current_ht_config.smps = conf->smps_mode;
/*
* Recalculate chain counts.
*
* If monitor mode is enabled then mac80211 will
* set up the SM PS mode to OFF if an HT channel is
* configured.
*/
if (priv->cfg->ops->hcmd->set_rxon_chain)
priv->cfg->ops->hcmd->set_rxon_chain(priv);
}
/* during scanning mac80211 will delay channel setting until
* scan finish with changed = 0
@ -2782,10 +2785,6 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
iwl_set_tx_power(priv, conf->power_level, false);
}
/* call to ensure that 4965 rx_chain is set properly in monitor mode */
if (priv->cfg->ops->hcmd->set_rxon_chain)
priv->cfg->ops->hcmd->set_rxon_chain(priv);
if (!iwl_is_ready(priv)) {
IWL_DEBUG_MAC80211(priv, "leave - not ready\n");
goto out;

2
drivers/net/wireless/iwlwifi/iwl-core.h
View File

@ -232,7 +232,6 @@ 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
* @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
@ -289,7 +288,6 @@ struct iwl_cfg {
const bool supports_idle;
bool adv_thermal_throttle;
bool support_ct_kill_exit;
u8 sm_ps_mode;
const bool support_wimax_coexist;
};

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

@ -512,6 +512,7 @@ struct iwl_ht_config {
bool is_ht;
bool is_40mhz;
bool single_chain_sufficient;
enum ieee80211_smps_mode smps; /* current smps mode */
/* BSS related data */
u8 extension_chan_offset;
u8 ht_protection;