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path: root/drivers/net/wireless/iwlwifi/iwl-5000.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-5000.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-5000.c67
1 files changed, 56 insertions, 11 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index a28af7eb67eb..b8f3e20f2c80 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -208,6 +208,8 @@ static int iwl5000_hw_set_hw_params(struct iwl_priv *priv)
BIT(IWL_CALIB_TX_IQ_PERD) |
BIT(IWL_CALIB_BASE_BAND);
+ priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
+
return 0;
}
@@ -247,10 +249,13 @@ static int iwl5150_hw_set_hw_params(struct iwl_priv *priv)
/* Set initial calibration set */
priv->hw_params.sens = &iwl5150_sensitivity;
priv->hw_params.calib_init_cfg =
- BIT(IWL_CALIB_DC) |
BIT(IWL_CALIB_LO) |
BIT(IWL_CALIB_TX_IQ) |
BIT(IWL_CALIB_BASE_BAND);
+ if (priv->cfg->need_dc_calib)
+ priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_DC);
+
+ priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
return 0;
}
@@ -260,40 +265,76 @@ static void iwl5150_temperature(struct iwl_priv *priv)
u32 vt = 0;
s32 offset = iwl_temp_calib_to_offset(priv);
- vt = le32_to_cpu(priv->statistics.general.temperature);
+ vt = le32_to_cpu(priv->_agn.statistics.general.temperature);
vt = vt / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF + offset;
/* now vt hold the temperature in Kelvin */
priv->temperature = KELVIN_TO_CELSIUS(vt);
iwl_tt_handler(priv);
}
-static int iwl5000_hw_channel_switch(struct iwl_priv *priv, u16 channel)
+static int iwl5000_hw_channel_switch(struct iwl_priv *priv,
+ struct ieee80211_channel_switch *ch_switch)
{
struct iwl5000_channel_switch_cmd cmd;
const struct iwl_channel_info *ch_info;
+ u32 switch_time_in_usec, ucode_switch_time;
+ u16 ch;
+ u32 tsf_low;
+ u8 switch_count;
+ u16 beacon_interval = le16_to_cpu(priv->rxon_timing.beacon_interval);
+ struct ieee80211_vif *vif = priv->vif;
struct iwl_host_cmd hcmd = {
.id = REPLY_CHANNEL_SWITCH,
.len = sizeof(cmd),
- .flags = CMD_SIZE_HUGE,
+ .flags = CMD_SYNC,
.data = &cmd,
};
- IWL_DEBUG_11H(priv, "channel switch from %d to %d\n",
- priv->active_rxon.channel, channel);
cmd.band = priv->band == IEEE80211_BAND_2GHZ;
- cmd.channel = cpu_to_le16(channel);
+ ch = ieee80211_frequency_to_channel(ch_switch->channel->center_freq);
+ IWL_DEBUG_11H(priv, "channel switch from %d to %d\n",
+ priv->active_rxon.channel, ch);
+ cmd.channel = cpu_to_le16(ch);
cmd.rxon_flags = priv->staging_rxon.flags;
cmd.rxon_filter_flags = priv->staging_rxon.filter_flags;
- cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
- ch_info = iwl_get_channel_info(priv, priv->band, channel);
+ switch_count = ch_switch->count;
+ tsf_low = ch_switch->timestamp & 0x0ffffffff;
+ /*
+ * calculate the ucode channel switch time
+ * adding TSF as one of the factor for when to switch
+ */
+ if ((priv->ucode_beacon_time > tsf_low) && beacon_interval) {
+ if (switch_count > ((priv->ucode_beacon_time - tsf_low) /
+ beacon_interval)) {
+ switch_count -= (priv->ucode_beacon_time -
+ tsf_low) / beacon_interval;
+ } else
+ switch_count = 0;
+ }
+ if (switch_count <= 1)
+ cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
+ else {
+ switch_time_in_usec =
+ vif->bss_conf.beacon_int * switch_count * TIME_UNIT;
+ ucode_switch_time = iwl_usecs_to_beacons(priv,
+ switch_time_in_usec,
+ beacon_interval);
+ cmd.switch_time = iwl_add_beacon_time(priv,
+ priv->ucode_beacon_time,
+ ucode_switch_time,
+ beacon_interval);
+ }
+ IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
+ cmd.switch_time);
+ ch_info = iwl_get_channel_info(priv, priv->band, ch);
if (ch_info)
cmd.expect_beacon = is_channel_radar(ch_info);
else {
IWL_ERR(priv, "invalid channel switch from %u to %u\n",
- priv->active_rxon.channel, channel);
+ priv->active_rxon.channel, ch);
return -EFAULT;
}
- priv->switch_rxon.channel = cpu_to_le16(channel);
+ priv->switch_rxon.channel = cmd.channel;
priv->switch_rxon.switch_in_progress = true;
return iwl_send_cmd_sync(priv, &hcmd);
@@ -352,6 +393,7 @@ static struct iwl_lib_ops iwl5000_lib = {
.set_ct_kill = iwl5000_set_ct_threshold,
},
.manage_ibss_station = iwlagn_manage_ibss_station,
+ .update_bcast_station = iwl_update_bcast_station,
.debugfs_ops = {
.rx_stats_read = iwl_ucode_rx_stats_read,
.tx_stats_read = iwl_ucode_tx_stats_read,
@@ -414,6 +456,7 @@ static struct iwl_lib_ops iwl5150_lib = {
.set_ct_kill = iwl5150_set_ct_threshold,
},
.manage_ibss_station = iwlagn_manage_ibss_station,
+ .update_bcast_station = iwl_update_bcast_station,
.debugfs_ops = {
.rx_stats_read = iwl_ucode_rx_stats_read,
.tx_stats_read = iwl_ucode_tx_stats_read,
@@ -620,6 +663,7 @@ struct iwl_cfg iwl5150_agn_cfg = {
.ucode_tracing = true,
.sensitivity_calib_by_driver = true,
.chain_noise_calib_by_driver = true,
+ .need_dc_calib = true,
};
struct iwl_cfg iwl5150_abg_cfg = {
@@ -649,6 +693,7 @@ struct iwl_cfg iwl5150_abg_cfg = {
.ucode_tracing = true,
.sensitivity_calib_by_driver = true,
.chain_noise_calib_by_driver = true,
+ .need_dc_calib = true,
};
MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE(IWL5000_UCODE_API_MAX));