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path: root/drivers/net/wireless/iwlwifi/iwl-core.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-core.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.c136
1 files changed, 76 insertions, 60 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 80f2f84defa..4c312c55f90 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -306,14 +306,14 @@ void iwl_reset_qos(struct iwl_priv *priv)
spin_lock_irqsave(&priv->lock, flags);
priv->qos_data.qos_active = 0;
- if (priv->iw_mode == IEEE80211_IF_TYPE_IBSS) {
+ if (priv->iw_mode == NL80211_IFTYPE_ADHOC) {
if (priv->qos_data.qos_enable)
priv->qos_data.qos_active = 1;
if (!(priv->active_rate & 0xfff0)) {
cw_min = 31;
is_legacy = 1;
}
- } else if (priv->iw_mode == IEEE80211_IF_TYPE_AP) {
+ } else if (priv->iw_mode == NL80211_IFTYPE_AP) {
if (priv->qos_data.qos_enable)
priv->qos_data.qos_active = 1;
} else if (!(priv->staging_rxon.flags & RXON_FLG_SHORT_SLOT_MSK)) {
@@ -399,8 +399,8 @@ static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv,
ht_info->cap |= (u16)IEEE80211_HT_CAP_GRN_FLD;
ht_info->cap |= (u16)IEEE80211_HT_CAP_SGI_20;
- ht_info->cap |= (u16)(IEEE80211_HT_CAP_MIMO_PS &
- (IWL_MIMO_PS_NONE << 2));
+ ht_info->cap |= (u16)(IEEE80211_HT_CAP_SM_PS &
+ (WLAN_HT_CAP_SM_PS_DISABLED << 2));
max_bit_rate = MAX_BIT_RATE_20_MHZ;
if (priv->hw_params.fat_channel & BIT(band)) {
@@ -646,8 +646,14 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info)
struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
u32 val;
- if (!ht_info->is_ht)
+ if (!ht_info->is_ht) {
+ rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MIXED_MSK |
+ RXON_FLG_CHANNEL_MODE_PURE_40_MSK |
+ RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK |
+ RXON_FLG_FAT_PROT_MSK |
+ RXON_FLG_HT_PROT_MSK);
return;
+ }
/* Set up channel bandwidth: 20 MHz only, or 20/40 mixed if fat ok */
if (iwl_is_fat_tx_allowed(priv, NULL))
@@ -697,8 +703,12 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info)
}
EXPORT_SYMBOL(iwl_set_rxon_ht);
-/*
- * Determine how many receiver/antenna chains to use.
+#define IWL_NUM_RX_CHAINS_MULTIPLE 3
+#define IWL_NUM_RX_CHAINS_SINGLE 2
+#define IWL_NUM_IDLE_CHAINS_DUAL 2
+#define IWL_NUM_IDLE_CHAINS_SINGLE 1
+
+/* Determine how many receiver/antenna chains to use.
* More provides better reception via diversity. Fewer saves power.
* MIMO (dual stream) requires at least 2, but works better with 3.
* This does not determine *which* chains to use, just how many.
@@ -709,10 +719,11 @@ static int iwl_get_active_rx_chain_count(struct iwl_priv *priv)
bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status);
/* # of Rx chains to use when expecting MIMO. */
- if (is_single || (!is_cam && (priv->ps_mode == IWL_MIMO_PS_STATIC)))
- return 2;
+ if (is_single || (!is_cam && (priv->current_ht_config.sm_ps ==
+ WLAN_HT_CAP_SM_PS_STATIC)))
+ return IWL_NUM_RX_CHAINS_SINGLE;
else
- return 3;
+ return IWL_NUM_RX_CHAINS_MULTIPLE;
}
static int iwl_get_idle_rx_chain_count(struct iwl_priv *priv, int active_cnt)
@@ -720,17 +731,19 @@ static int iwl_get_idle_rx_chain_count(struct iwl_priv *priv, int active_cnt)
int idle_cnt;
bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status);
/* # Rx chains when idling and maybe trying to save power */
- switch (priv->ps_mode) {
- case IWL_MIMO_PS_STATIC:
- case IWL_MIMO_PS_DYNAMIC:
- idle_cnt = (is_cam) ? 2 : 1;
+ 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 IWL_MIMO_PS_NONE:
- idle_cnt = (is_cam) ? active_cnt : 1;
+ case WLAN_HT_CAP_SM_PS_DISABLED:
+ idle_cnt = (is_cam) ? active_cnt : IWL_NUM_IDLE_CHAINS_SINGLE;
break;
- case IWL_MIMO_PS_INVALID:
+ case WLAN_HT_CAP_SM_PS_INVALID:
default:
- IWL_ERROR("invalide mimo ps mode %d\n", priv->ps_mode);
+ IWL_ERROR("invalide mimo ps mode %d\n",
+ priv->current_ht_config.sm_ps);
WARN_ON(1);
idle_cnt = -1;
break;
@@ -738,6 +751,17 @@ static int iwl_get_idle_rx_chain_count(struct iwl_priv *priv, int active_cnt)
return idle_cnt;
}
+/* up to 4 chains */
+static u8 iwl_count_chain_bitmap(u32 chain_bitmap)
+{
+ u8 res;
+ res = (chain_bitmap & BIT(0)) >> 0;
+ res += (chain_bitmap & BIT(1)) >> 1;
+ res += (chain_bitmap & BIT(2)) >> 2;
+ res += (chain_bitmap & BIT(4)) >> 4;
+ return res;
+}
+
/**
* iwl_set_rxon_chain - Set up Rx chain usage in "staging" RXON image
*
@@ -748,37 +772,47 @@ void iwl_set_rxon_chain(struct iwl_priv *priv)
{
bool is_single = is_single_rx_stream(priv);
bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status);
- u8 idle_rx_cnt, active_rx_cnt;
+ u8 idle_rx_cnt, active_rx_cnt, valid_rx_cnt;
+ u32 active_chains;
u16 rx_chain;
/* Tell uCode which antennas are actually connected.
* Before first association, we assume all antennas are connected.
* Just after first association, iwl_chain_noise_calibration()
* checks which antennas actually *are* connected. */
- rx_chain = priv->hw_params.valid_rx_ant << RXON_RX_CHAIN_VALID_POS;
+ if (priv->chain_noise_data.active_chains)
+ active_chains = priv->chain_noise_data.active_chains;
+ else
+ active_chains = priv->hw_params.valid_rx_ant;
+
+ rx_chain = active_chains << RXON_RX_CHAIN_VALID_POS;
/* How many receivers should we use? */
active_rx_cnt = iwl_get_active_rx_chain_count(priv);
idle_rx_cnt = iwl_get_idle_rx_chain_count(priv, active_rx_cnt);
- /* correct rx chain count accoridng hw settings */
- if (priv->hw_params.rx_chains_num < active_rx_cnt)
- active_rx_cnt = priv->hw_params.rx_chains_num;
- if (priv->hw_params.rx_chains_num < idle_rx_cnt)
- idle_rx_cnt = priv->hw_params.rx_chains_num;
+ /* correct rx chain count according hw settings
+ * and chain noise calibration
+ */
+ valid_rx_cnt = iwl_count_chain_bitmap(active_chains);
+ if (valid_rx_cnt < active_rx_cnt)
+ active_rx_cnt = valid_rx_cnt;
+
+ if (valid_rx_cnt < idle_rx_cnt)
+ idle_rx_cnt = valid_rx_cnt;
rx_chain |= active_rx_cnt << RXON_RX_CHAIN_MIMO_CNT_POS;
rx_chain |= idle_rx_cnt << RXON_RX_CHAIN_CNT_POS;
priv->staging_rxon.rx_chain = cpu_to_le16(rx_chain);
- if (!is_single && (active_rx_cnt >= 2) && is_cam)
+ if (!is_single && (active_rx_cnt >= IWL_NUM_RX_CHAINS_SINGLE) && is_cam)
priv->staging_rxon.rx_chain |= RXON_RX_CHAIN_MIMO_FORCE_MSK;
else
priv->staging_rxon.rx_chain &= ~RXON_RX_CHAIN_MIMO_FORCE_MSK;
- IWL_DEBUG_ASSOC("rx_chain=0x%Xi active=%d idle=%d\n",
+ IWL_DEBUG_ASSOC("rx_chain=0x%X active=%d idle=%d\n",
priv->staging_rxon.rx_chain,
active_rx_cnt, idle_rx_cnt);
@@ -788,7 +822,7 @@ void iwl_set_rxon_chain(struct iwl_priv *priv)
EXPORT_SYMBOL(iwl_set_rxon_chain);
/**
- * iwlcore_set_rxon_channel - Set the phymode and channel values in staging RXON
+ * iwl_set_rxon_channel - Set the phymode and channel values in staging RXON
* @phymode: MODE_IEEE80211A sets to 5.2GHz; all else set to 2.4GHz
* @channel: Any channel valid for the requested phymode
@@ -797,10 +831,11 @@ EXPORT_SYMBOL(iwl_set_rxon_chain);
* NOTE: Does not commit to the hardware; it sets appropriate bit fields
* in the staging RXON flag structure based on the phymode
*/
-int iwl_set_rxon_channel(struct iwl_priv *priv,
- enum ieee80211_band band,
- u16 channel)
+int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch)
{
+ enum ieee80211_band band = ch->band;
+ u16 channel = ieee80211_frequency_to_channel(ch->center_freq);
+
if (!iwl_get_channel_info(priv, band, channel)) {
IWL_DEBUG_INFO("Could not set channel to %d [%d]\n",
channel, band);
@@ -834,6 +869,10 @@ int iwl_setup_mac(struct iwl_priv *priv)
/* Tell mac80211 our characteristics */
hw->flags = IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_NOISE_DBM;
+ hw->wiphy->interface_modes =
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_ADHOC);
/* Default value; 4 EDCA QOS priorities */
hw->queues = 4;
/* queues to support 11n aggregation */
@@ -891,7 +930,6 @@ int iwl_init_drv(struct iwl_priv *priv)
spin_lock_init(&priv->power_data.lock);
spin_lock_init(&priv->sta_lock);
spin_lock_init(&priv->hcmd_lock);
- spin_lock_init(&priv->lq_mngr.lock);
INIT_LIST_HEAD(&priv->free_frames);
@@ -905,10 +943,10 @@ int iwl_init_drv(struct iwl_priv *priv)
priv->ieee_rates = NULL;
priv->band = IEEE80211_BAND_2GHZ;
- priv->iw_mode = IEEE80211_IF_TYPE_STA;
+ priv->iw_mode = NL80211_IFTYPE_STATION;
priv->use_ant_b_for_management_frame = 1; /* start with ant B */
- priv->ps_mode = IWL_MIMO_PS_NONE;
+ priv->current_ht_config.sm_ps = WLAN_HT_CAP_SM_PS_DISABLED;
/* Choose which receivers/antennas to use */
iwl_set_rxon_chain(priv);
@@ -922,8 +960,6 @@ int iwl_init_drv(struct iwl_priv *priv)
priv->qos_data.qos_active = 0;
priv->qos_data.qos_cap.val = 0;
- iwl_set_rxon_channel(priv, IEEE80211_BAND_2GHZ, 6);
-
priv->rates_mask = IWL_RATES_MASK;
/* If power management is turned on, default to AC mode */
priv->power_mode = IWL_POWER_AC;
@@ -950,22 +986,6 @@ err:
}
EXPORT_SYMBOL(iwl_init_drv);
-void iwl_free_calib_results(struct iwl_priv *priv)
-{
- kfree(priv->calib_results.lo_res);
- priv->calib_results.lo_res = NULL;
- priv->calib_results.lo_res_len = 0;
-
- kfree(priv->calib_results.tx_iq_res);
- priv->calib_results.tx_iq_res = NULL;
- priv->calib_results.tx_iq_res_len = 0;
-
- kfree(priv->calib_results.tx_iq_perd_res);
- priv->calib_results.tx_iq_perd_res = NULL;
- priv->calib_results.tx_iq_perd_res_len = 0;
-}
-EXPORT_SYMBOL(iwl_free_calib_results);
-
int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force)
{
int ret = 0;
@@ -993,10 +1013,9 @@ int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force)
}
EXPORT_SYMBOL(iwl_set_tx_power);
-
void iwl_uninit_drv(struct iwl_priv *priv)
{
- iwl_free_calib_results(priv);
+ iwl_calib_free_results(priv);
iwlcore_free_geos(priv);
iwl_free_channel_map(priv);
kfree(priv->scan);
@@ -1150,7 +1169,6 @@ int iwl_verify_ucode(struct iwl_priv *priv)
}
EXPORT_SYMBOL(iwl_verify_ucode);
-
static const char *desc_lookup(int i)
{
switch (i) {
@@ -1231,9 +1249,9 @@ EXPORT_SYMBOL(iwl_dump_nic_error_log);
/**
* iwl_print_event_log - Dump error event log to syslog
*
- * NOTE: Must be called with iwl4965_grab_nic_access() already obtained!
+ * NOTE: Must be called with iwl_grab_nic_access() already obtained!
*/
-void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
+static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
u32 num_events, u32 mode)
{
u32 i;
@@ -1274,8 +1292,6 @@ void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
}
}
}
-EXPORT_SYMBOL(iwl_print_event_log);
-
void iwl_dump_nic_event_log(struct iwl_priv *priv)
{
@@ -1391,7 +1407,7 @@ void iwl_radio_kill_sw_disable_radio(struct iwl_priv *priv)
iwl_scan_cancel(priv);
/* FIXME: This is a workaround for AP */
- if (priv->iw_mode != IEEE80211_IF_TYPE_AP) {
+ if (priv->iw_mode != NL80211_IFTYPE_AP) {
spin_lock_irqsave(&priv->lock, flags);
iwl_write32(priv, CSR_UCODE_DRV_GP1_SET,
CSR_UCODE_SW_BIT_RFKILL);
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-17 12:22:15 +0000