}
#endif
+/**
+ * iwl3945_good_plcp_health - checks for plcp error.
+ *
+ * When the plcp error is exceeding the thresholds, reset the radio
+ * to improve the throughput.
+ */
+static bool iwl3945_good_plcp_health(struct iwl_priv *priv,
+ struct iwl_rx_packet *pkt)
+{
+ bool rc = true;
+ struct iwl3945_notif_statistics current_stat;
+ int combined_plcp_delta;
+ unsigned int plcp_msec;
+ unsigned long plcp_received_jiffies;
+
+ memcpy(¤t_stat, pkt->u.raw, sizeof(struct
+ iwl3945_notif_statistics));
+ /*
+ * check for plcp_err and trigger radio reset if it exceeds
+ * the plcp error threshold plcp_delta.
+ */
+ plcp_received_jiffies = jiffies;
+ plcp_msec = jiffies_to_msecs((long) plcp_received_jiffies -
+ (long) priv->plcp_jiffies);
+ priv->plcp_jiffies = plcp_received_jiffies;
+ /*
+ * check to make sure plcp_msec is not 0 to prevent division
+ * by zero.
+ */
+ if (plcp_msec) {
+ combined_plcp_delta =
+ (le32_to_cpu(current_stat.rx.ofdm.plcp_err) -
+ le32_to_cpu(priv->_3945.statistics.rx.ofdm.plcp_err));
+
+ if ((combined_plcp_delta > 0) &&
+ ((combined_plcp_delta * 100) / plcp_msec) >
+ priv->cfg->plcp_delta_threshold) {
+ /*
+ * if plcp_err exceed the threshold, the following
+ * data is printed in csv format:
+ * Text: plcp_err exceeded %d,
+ * Received ofdm.plcp_err,
+ * Current ofdm.plcp_err,
+ * combined_plcp_delta,
+ * plcp_msec
+ */
+ IWL_DEBUG_RADIO(priv, "plcp_err exceeded %u, "
+ "%u, %d, %u mSecs\n",
+ priv->cfg->plcp_delta_threshold,
+ le32_to_cpu(current_stat.rx.ofdm.plcp_err),
+ combined_plcp_delta, plcp_msec);
+ /*
+ * Reset the RF radio due to the high plcp
+ * error rate
+ */
+ rc = false;
+ }
+ }
+ return rc;
+}
+
void iwl3945_hw_rx_statistics(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb)
{
#ifdef CONFIG_IWLWIFI_DEBUG
iwl3945_accumulative_statistics(priv, (__le32 *)&pkt->u.raw);
#endif
+ iwl_recover_from_statistics(priv, pkt);
memcpy(&priv->_3945.statistics, pkt->u.raw, sizeof(priv->_3945.statistics));
}
tx_cmd->supp_rates[1], tx_cmd->supp_rates[0]);
}
-u8 iwl3945_sync_sta(struct iwl_priv *priv, int sta_id, u16 tx_rate, u8 flags)
+static u8 iwl3945_sync_sta(struct iwl_priv *priv, int sta_id,
+ u16 tx_rate, u8 flags)
{
unsigned long flags_spin;
struct iwl_station_entry *station;
int ref_temp;
int temperature = priv->temperature;
+ if (priv->disable_tx_power_cal ||
+ test_bit(STATUS_SCANNING, &priv->status)) {
+ /* do not perform tx power calibration */
+ return 0;
+ }
/* set up new Tx power info for each and every channel, 2.4 and 5.x */
for (i = 0; i < priv->channel_count; i++) {
ch_info = &priv->channel_info[i];
"configuration (%d).\n", rc);
return rc;
}
- iwl_clear_ucode_stations(priv, false);
+ iwl_clear_ucode_stations(priv);
iwl_restore_stations(priv);
}
memcpy(active_rxon, staging_rxon, sizeof(*active_rxon));
if (!new_assoc) {
- iwl_clear_ucode_stations(priv, false);
+ iwl_clear_ucode_stations(priv);
iwl_restore_stations(priv);
}
return (u16)sizeof(struct iwl3945_addsta_cmd);
}
+static int iwl3945_manage_ibss_station(struct iwl_priv *priv,
+ struct ieee80211_vif *vif, bool add)
+{
+ struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
+ int ret;
+
+ if (add) {
+ ret = iwl_add_bssid_station(priv, vif->bss_conf.bssid, false,
+ &vif_priv->ibss_bssid_sta_id);
+ if (ret)
+ return ret;
+
+ iwl3945_sync_sta(priv, vif_priv->ibss_bssid_sta_id,
+ (priv->band == IEEE80211_BAND_5GHZ) ?
+ IWL_RATE_6M_PLCP : IWL_RATE_1M_PLCP,
+ CMD_ASYNC);
+ iwl3945_rate_scale_init(priv->hw, vif_priv->ibss_bssid_sta_id);
+
+ return 0;
+ }
+
+ return iwl_remove_station(priv, vif_priv->ibss_bssid_sta_id,
+ vif->bss_conf.bssid);
+}
/**
* iwl3945_init_hw_rate_table - Initialize the hardware rate fallback table
return 0;
}
-#define IWL3945_UCODE_GET(item) \
-static u32 iwl3945_ucode_get_##item(const struct iwl_ucode_header *ucode,\
- u32 api_ver) \
-{ \
- return le32_to_cpu(ucode->u.v1.item); \
-}
-
-static u32 iwl3945_ucode_get_header_size(u32 api_ver)
-{
- return UCODE_HEADER_SIZE(1);
-}
-static u32 iwl3945_ucode_get_build(const struct iwl_ucode_header *ucode,
- u32 api_ver)
-{
- return 0;
-}
-static u8 *iwl3945_ucode_get_data(const struct iwl_ucode_header *ucode,
- u32 api_ver)
-{
- return (u8 *) ucode->u.v1.data;
-}
-
-IWL3945_UCODE_GET(inst_size);
-IWL3945_UCODE_GET(data_size);
-IWL3945_UCODE_GET(init_size);
-IWL3945_UCODE_GET(init_data_size);
-IWL3945_UCODE_GET(boot_size);
-
static struct iwl_hcmd_ops iwl3945_hcmd = {
.rxon_assoc = iwl3945_send_rxon_assoc,
.commit_rxon = iwl3945_commit_rxon,
.send_bt_config = iwl_send_bt_config,
};
-static struct iwl_ucode_ops iwl3945_ucode = {
- .get_header_size = iwl3945_ucode_get_header_size,
- .get_build = iwl3945_ucode_get_build,
- .get_inst_size = iwl3945_ucode_get_inst_size,
- .get_data_size = iwl3945_ucode_get_data_size,
- .get_init_size = iwl3945_ucode_get_init_size,
- .get_init_data_size = iwl3945_ucode_get_init_data_size,
- .get_boot_size = iwl3945_ucode_get_boot_size,
- .get_data = iwl3945_ucode_get_data,
-};
-
static struct iwl_lib_ops iwl3945_lib = {
.txq_attach_buf_to_tfd = iwl3945_hw_txq_attach_buf_to_tfd,
.txq_free_tfd = iwl3945_hw_txq_free_tfd,
.post_associate = iwl3945_post_associate,
.isr = iwl_isr_legacy,
.config_ap = iwl3945_config_ap,
- .add_bcast_station = iwl3945_add_bcast_station,
+ .manage_ibss_station = iwl3945_manage_ibss_station,
+ .check_plcp_health = iwl3945_good_plcp_health,
.debugfs_ops = {
.rx_stats_read = iwl3945_ucode_rx_stats_read,
};
static const struct iwl_ops iwl3945_ops = {
- .ucode = &iwl3945_ucode,
.lib = &iwl3945_lib,
.hcmd = &iwl3945_hcmd,
.utils = &iwl3945_hcmd_utils,
.ht_greenfield_support = false,
.led_compensation = 64,
.broken_powersave = true,
- .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+ .plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF,
.monitor_recover_period = IWL_MONITORING_PERIOD,
.max_event_log_size = 512,
+ .tx_power_by_driver = true,
};
static struct iwl_cfg iwl3945_abg_cfg = {
.ht_greenfield_support = false,
.led_compensation = 64,
.broken_powersave = true,
- .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+ .plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF,
.monitor_recover_period = IWL_MONITORING_PERIOD,
.max_event_log_size = 512,
+ .tx_power_by_driver = true,
};
DEFINE_PCI_DEVICE_TABLE(iwl3945_hw_card_ids) = {
git.openpandora.org / pandora-kernel.git / blobdiff