static int iwlagn_disable_pan(struct iwl_priv *priv,
struct iwl_rxon_context *ctx,
struct iwl_rxon_cmd *send)
{
struct iwl_notification_wait disable_wait;
__le32 old_filter = send->filter_flags;
u8 old_dev_type = send->dev_type;
int ret;
iwlagn_init_notification_wait(priv, &disable_wait, NULL,
REPLY_WIPAN_DEACTIVATION_COMPLETE);
send->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
send->dev_type = RXON_DEV_TYPE_P2P;
ret = iwl_send_cmd_pdu(priv, ctx->rxon_cmd, sizeof(*send), send);
send->filter_flags = old_filter;
send->dev_type = old_dev_type;
if (ret) {
IWL_ERR(priv, "Error disabling PAN (%d)\n", ret);
iwlagn_remove_notification(priv, &disable_wait);
} else {
signed long wait_res;
wait_res = iwlagn_wait_notification(priv, &disable_wait, HZ);
if (wait_res == 0) {
IWL_ERR(priv, "Timed out waiting for PAN disable\n");
ret = -EIO;
}
}
return ret;
}
static void iwlagn_update_qos(struct iwl_priv *priv,
struct iwl_rxon_context *ctx)
{
int ret;
if (!ctx->is_active)
return;
ctx->qos_data.def_qos_parm.qos_flags = 0;
if (ctx->qos_data.qos_active)
ctx->qos_data.def_qos_parm.qos_flags |=
QOS_PARAM_FLG_UPDATE_EDCA_MSK;
if (ctx->ht.enabled)
ctx->qos_data.def_qos_parm.qos_flags |= QOS_PARAM_FLG_TGN_MSK;
IWL_DEBUG_QOS(priv, "send QoS cmd with Qos active=%d FLAGS=0x%X\n",
ctx->qos_data.qos_active,
ctx->qos_data.def_qos_parm.qos_flags);
ret = iwl_send_cmd_pdu(priv, ctx->qos_cmd,
sizeof(struct iwl_qosparam_cmd),
&ctx->qos_data.def_qos_parm);
if (ret)
IWL_ERR(priv, "Failed to update QoS\n");
}
static void iwlagn_chain_noise_reset(struct iwl_priv *priv)
{
struct iwl_chain_noise_data *data = &priv->chain_noise_data;
int ret;
if ((data->state == IWL_CHAIN_NOISE_ALIVE) &&
iwl_is_any_associated(priv)) {
struct iwl_calib_chain_noise_reset_cmd cmd;
/* clear data for chain noise calibration algorithm */
data->chain_noise_a = 0;
data->chain_noise_b = 0;
data->chain_noise_c = 0;
data->chain_signal_a = 0;
data->chain_signal_b = 0;
data->chain_signal_c = 0;
data->beacon_count = 0;
memset(&cmd, 0, sizeof(cmd));
cmd.hdr.op_code = priv->_agn.phy_calib_chain_noise_reset_cmd;
cmd.hdr.first_group = 0;
cmd.hdr.groups_num = 1;
cmd.hdr.data_valid = 1;
ret = iwl_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD,
sizeof(cmd), &cmd);
if (ret)
IWL_ERR(priv,
"Could not send REPLY_PHY_CALIBRATION_CMD\n");
data->state = IWL_CHAIN_NOISE_ACCUMULATE;
IWL_DEBUG_CALIB(priv, "Run chain_noise_calibrate\n");
}
}
static int iwlagn_send_wimax_coex(struct iwl_priv *priv)
{
struct iwl_wimax_coex_cmd coex_cmd;
if (priv->cfg->base_params->support_wimax_coexist) {
/* UnMask wake up src at associated sleep */
coex_cmd.flags = COEX_FLAGS_ASSOC_WA_UNMASK_MSK;
/* UnMask wake up src at unassociated sleep */
coex_cmd.flags |= COEX_FLAGS_UNASSOC_WA_UNMASK_MSK;
memcpy(coex_cmd.sta_prio, cu_priorities,
sizeof(struct iwl_wimax_coex_event_entry) *
COEX_NUM_OF_EVENTS);
/* enabling the coexistence feature */
coex_cmd.flags |= COEX_FLAGS_COEX_ENABLE_MSK;
/* enabling the priorities tables */
coex_cmd.flags |= COEX_FLAGS_STA_TABLE_VALID_MSK;
} else {
/* coexistence is disabled */
memset(&coex_cmd, 0, sizeof(coex_cmd));
}
return iwl_send_cmd_pdu(priv, COEX_PRIORITY_TABLE_CMD,
sizeof(coex_cmd), &coex_cmd);
}
static int iwl5000_send_wimax_coex(struct iwl_priv *priv)
{
struct iwl_wimax_coex_cmd coex_cmd;
memset(&coex_cmd, 0, sizeof(coex_cmd));
return iwl_send_cmd_pdu(priv, COEX_PRIORITY_TABLE_CMD,
sizeof(coex_cmd), &coex_cmd);
}
void iwlagn_send_bt_env(struct iwl_priv *priv, u8 action, u8 type)
{
struct iwl_bt_coex_prot_env_cmd env_cmd;
env_cmd.action = action;
env_cmd.type = type;
if (iwl_send_cmd_pdu(priv, REPLY_BT_COEX_PROT_ENV,
sizeof(env_cmd), &env_cmd))
IWL_ERR(priv, "failed to send BT env command\n");
}
void iwlagn_send_prio_tbl(struct iwl_priv *priv)
{
struct iwl_bt_coex_prio_table_cmd prio_tbl_cmd;
memcpy(prio_tbl_cmd.prio_tbl, iwlagn_bt_prio_tbl,
sizeof(iwlagn_bt_prio_tbl));
if (iwl_send_cmd_pdu(priv, REPLY_BT_COEX_PRIO_TABLE,
sizeof(prio_tbl_cmd), &prio_tbl_cmd))
IWL_ERR(priv, "failed to send BT prio tbl command\n");
}
static int iwl_set_power(struct iwl_priv *priv, struct iwl_powertable_cmd *cmd)
{
IWL_DEBUG_POWER(priv, "Sending power/sleep command\n");
IWL_DEBUG_POWER(priv, "Flags value = 0x%08X\n", cmd->flags);
IWL_DEBUG_POWER(priv, "Tx timeout = %u\n", le32_to_cpu(cmd->tx_data_timeout));
IWL_DEBUG_POWER(priv, "Rx timeout = %u\n", le32_to_cpu(cmd->rx_data_timeout));
IWL_DEBUG_POWER(priv, "Sleep interval vector = { %d , %d , %d , %d , %d }\n",
le32_to_cpu(cmd->sleep_interval[0]),
le32_to_cpu(cmd->sleep_interval[1]),
le32_to_cpu(cmd->sleep_interval[2]),
le32_to_cpu(cmd->sleep_interval[3]),
le32_to_cpu(cmd->sleep_interval[4]));
return iwl_send_cmd_pdu(priv, POWER_TABLE_CMD,
sizeof(struct iwl_powertable_cmd), cmd);
}
int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant)
{
struct iwl_tx_ant_config_cmd tx_ant_cmd = {
.valid = cpu_to_le32(valid_tx_ant),
};
if (IWL_UCODE_API(priv->ucode_ver) > 1) {
IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant);
return iwl_send_cmd_pdu(priv, TX_ANT_CONFIGURATION_CMD,
sizeof(struct iwl_tx_ant_config_cmd),
&tx_ant_cmd);
} else {
IWL_DEBUG_HC(priv, "TX_ANT_CONFIGURATION_CMD not supported\n");
return -EOPNOTSUPP;
}
}
static int iwlagn_disable_bss(struct iwl_priv *priv,
struct iwl_rxon_context *ctx,
struct iwl_rxon_cmd *send)
{
__le32 old_filter = send->filter_flags;
int ret;
send->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
ret = iwl_send_cmd_pdu(priv, ctx->rxon_cmd, sizeof(*send), send);
send->filter_flags = old_filter;
if (ret)
IWL_ERR(priv, "Error clearing ASSOC_MSK on BSS (%d)\n", ret);
return ret;
}
static void iwl5000_chain_noise_reset(struct iwl_priv *priv)
{
struct iwl_chain_noise_data *data = &priv->chain_noise_data;
int ret;
if ((data->state == IWL_CHAIN_NOISE_ALIVE) && iwl_is_associated(priv)) {
struct iwl_calib_chain_noise_reset_cmd cmd;
memset(&cmd, 0, sizeof(cmd));
cmd.hdr.op_code = IWL_PHY_CALIBRATE_CHAIN_NOISE_RESET_CMD;
cmd.hdr.first_group = 0;
cmd.hdr.groups_num = 1;
cmd.hdr.data_valid = 1;
ret = iwl_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD,
sizeof(cmd), &cmd);
if (ret)
IWL_ERR(priv,
"Could not send REPLY_PHY_CALIBRATION_CMD\n");
data->state = IWL_CHAIN_NOISE_ACCUMULATE;
IWL_DEBUG_CALIB(priv, "Run chain_noise_calibrate\n");
}
}
static int iwlagn_disable_pan(struct iwl_priv *priv,
struct iwl_rxon_context *ctx,
struct iwl_rxon_cmd *send)
{
__le32 old_filter = send->filter_flags;
u8 old_dev_type = send->dev_type;
int ret;
send->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
send->dev_type = RXON_DEV_TYPE_P2P;
ret = iwl_send_cmd_pdu(priv, ctx->rxon_cmd, sizeof(*send), send);
send->filter_flags = old_filter;
send->dev_type = old_dev_type;
if (ret)
IWL_ERR(priv, "Error disabling PAN (%d)\n", ret);
/* FIXME: WAIT FOR PAN DISABLE */
msleep(300);
return ret;
}
void iwl_rf_kill_ct_config(struct iwl_priv *priv)
{
struct iwl_ct_kill_config cmd;
unsigned long flags;
int ret = 0;
spin_lock_irqsave(&priv->lock, flags);
iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR,
CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT);
spin_unlock_irqrestore(&priv->lock, flags);
cmd.critical_temperature_R =
cpu_to_le32(priv->hw_params.ct_kill_threshold);
ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD,
sizeof(cmd), &cmd);
if (ret)
IWL_ERROR("REPLY_CT_KILL_CONFIG_CMD failed\n");
else
IWL_DEBUG_INFO("REPLY_CT_KILL_CONFIG_CMD succeeded, "
"critical temperature is %d\n",
cmd.critical_temperature_R);
}
/**
* iwlagn_commit_rxon - commit staging_rxon to hardware
*
* The RXON command in staging_rxon is committed to the hardware and
* the active_rxon structure is updated with the new data. This
* function correctly transitions out of the RXON_ASSOC_MSK state if
* a HW tune is required based on the RXON structure changes.
*/
int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
{
/* cast away the const for active_rxon in this function */
struct iwl_rxon_cmd *active = (void *)&ctx->active;
bool new_assoc = !!(ctx->staging.filter_flags & RXON_FILTER_ASSOC_MSK);
bool old_assoc = !!(ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK);
int ret;
lockdep_assert_held(&priv->mutex);
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
return -EINVAL;
if (!iwl_is_alive(priv))
return -EBUSY;
/* This function hardcodes a bunch of dual-mode assumptions */
BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);
if (!ctx->is_active)
return 0;
/* always get timestamp with Rx frame */
ctx->staging.flags |= RXON_FLG_TSF2HOST_MSK;
if (ctx->ctxid == IWL_RXON_CTX_PAN && priv->_agn.hw_roc_channel) {
struct ieee80211_channel *chan = priv->_agn.hw_roc_channel;
iwl_set_rxon_channel(priv, chan, ctx);
iwl_set_flags_for_band(priv, ctx, chan->band, NULL);
ctx->staging.filter_flags |=
RXON_FILTER_ASSOC_MSK |
RXON_FILTER_PROMISC_MSK |
RXON_FILTER_CTL2HOST_MSK;
ctx->staging.dev_type = RXON_DEV_TYPE_P2P;
new_assoc = true;
if (memcmp(&ctx->staging, &ctx->active,
sizeof(ctx->staging)) == 0)
return 0;
}
if ((ctx->vif && ctx->vif->bss_conf.use_short_slot) ||
!(ctx->staging.flags & RXON_FLG_BAND_24G_MSK))
ctx->staging.flags |= RXON_FLG_SHORT_SLOT_MSK;
else
ctx->staging.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
ret = iwl_check_rxon_cmd(priv, ctx);
if (ret) {
IWL_ERR(priv, "Invalid RXON configuration. Not committing.\n");
return -EINVAL;
}
/*
* receive commit_rxon request
* abort any previous channel switch if still in process
*/
if (priv->switch_rxon.switch_in_progress &&
(priv->switch_rxon.channel != ctx->staging.channel)) {
IWL_DEBUG_11H(priv, "abort channel switch on %d\n",
le16_to_cpu(priv->switch_rxon.channel));
iwl_chswitch_done(priv, false);
}
/*
* If we don't need to send a full RXON, we can use
* iwl_rxon_assoc_cmd which is used to reconfigure filter
* and other flags for the current radio configuration.
*/
if (!iwl_full_rxon_required(priv, ctx)) {
ret = iwl_send_rxon_assoc(priv, ctx);
if (ret) {
IWL_ERR(priv, "Error setting RXON_ASSOC (%d)\n", ret);
return ret;
}
memcpy(active, &ctx->staging, sizeof(*active));
iwl_print_rx_config_cmd(priv, ctx);
return 0;
}
if (priv->cfg->ops->hcmd->set_pan_params) {
ret = priv->cfg->ops->hcmd->set_pan_params(priv);
if (ret)
return ret;
}
iwl_set_rxon_hwcrypto(priv, ctx, !priv->cfg->mod_params->sw_crypto);
IWL_DEBUG_INFO(priv,
"Going to commit RXON\n"
" * with%s RXON_FILTER_ASSOC_MSK\n"
" * channel = %d\n"
" * bssid = %pM\n",
(new_assoc ? "" : "out"),
le16_to_cpu(ctx->staging.channel),
ctx->staging.bssid_addr);
/*
* Always clear associated first, but with the correct config.
* This is required as for example station addition for the
* AP station must be done after the BSSID is set to correctly
* set up filters in the device.
*/
if ((old_assoc && new_assoc) || !new_assoc) {
if (ctx->ctxid == IWL_RXON_CTX_BSS)
ret = iwlagn_disable_bss(priv, ctx, &ctx->staging);
else
ret = iwlagn_disable_pan(priv, ctx, &ctx->staging);
if (ret)
return ret;
memcpy(active, &ctx->staging, sizeof(*active));
/*
* Un-assoc RXON clears the station table and WEP
* keys, so we have to restore those afterwards.
*/
iwl_clear_ucode_stations(priv, ctx);
iwl_restore_stations(priv, ctx);
ret = iwl_restore_default_wep_keys(priv, ctx);
if (ret) {
IWL_ERR(priv, "Failed to restore WEP keys (%d)\n", ret);
return ret;
}
}
/* RXON timing must be before associated RXON */
ret = iwl_send_rxon_timing(priv, ctx);
if (ret) {
IWL_ERR(priv, "Failed to send timing (%d)!\n", ret);
return ret;
}
if (new_assoc) {
/* QoS info may be cleared by previous un-assoc RXON */
iwlagn_update_qos(priv, ctx);
/*
* We'll run into this code path when beaconing is
* enabled, but then we also need to send the beacon
* to the device.
*/
if (ctx->vif && (ctx->vif->type == NL80211_IFTYPE_AP)) {
ret = iwlagn_update_beacon(priv, ctx->vif);
if (ret) {
IWL_ERR(priv,
"Error sending required beacon (%d)!\n",
ret);
return ret;
}
}
priv->start_calib = 0;
/*
* Apply the new configuration.
*
* Associated RXON doesn't clear the station table in uCode,
* so we don't need to restore stations etc. after this.
*/
ret = iwl_send_cmd_pdu(priv, ctx->rxon_cmd,
sizeof(struct iwl_rxon_cmd), &ctx->staging);
if (ret) {
IWL_ERR(priv, "Error setting new RXON (%d)\n", ret);
return ret;
}
memcpy(active, &ctx->staging, sizeof(*active));
iwl_reprogram_ap_sta(priv, ctx);
/* IBSS beacon needs to be sent after setting assoc */
if (ctx->vif && (ctx->vif->type == NL80211_IFTYPE_ADHOC))
if (iwlagn_update_beacon(priv, ctx->vif))
IWL_ERR(priv, "Error sending IBSS beacon\n");
}
iwl_print_rx_config_cmd(priv, ctx);
iwl_init_sensitivity(priv);
/*
* If we issue a new RXON command which required a tune then we must
* send a new TXPOWER command or we won't be able to Tx any frames.
*
* It's expected we set power here if channel is changing.
*/
ret = iwl_set_tx_power(priv, priv->tx_power_next, true);
if (ret) {
IWL_ERR(priv, "Error sending TX power (%d)\n", ret);
return ret;
}
return 0;
}
/* set card power command */
static int iwl_set_power(struct iwl_priv *priv, void *cmd)
{
return iwl_send_cmd_pdu(priv, POWER_TABLE_CMD,
sizeof(struct iwl_powertable_cmd), cmd);
}
static int iwlagn_rxon_connect(struct iwl_priv *priv,
struct iwl_rxon_context *ctx)
{
int ret;
struct iwl_rxon_cmd *active = (void *)&ctx->active;
/* RXON timing must be before associated RXON */
ret = iwl_send_rxon_timing(priv, ctx);
if (ret) {
IWL_ERR(priv, "Failed to send timing (%d)!\n", ret);
return ret;
}
/* QoS info may be cleared by previous un-assoc RXON */
iwlagn_update_qos(priv, ctx);
/*
* We'll run into this code path when beaconing is
* enabled, but then we also need to send the beacon
* to the device.
*/
if (ctx->vif && (ctx->vif->type == NL80211_IFTYPE_AP)) {
ret = iwlagn_update_beacon(priv, ctx->vif);
if (ret) {
IWL_ERR(priv,
"Error sending required beacon (%d)!\n",
ret);
return ret;
}
}
priv->start_calib = 0;
/*
* Apply the new configuration.
*
* Associated RXON doesn't clear the station table in uCode,
* so we don't need to restore stations etc. after this.
*/
ret = iwl_send_cmd_pdu(priv, ctx->rxon_cmd,
sizeof(struct iwl_rxon_cmd), &ctx->staging);
if (ret) {
IWL_ERR(priv, "Error setting new RXON (%d)\n", ret);
return ret;
}
memcpy(active, &ctx->staging, sizeof(*active));
iwl_reprogram_ap_sta(priv, ctx);
/* IBSS beacon needs to be sent after setting assoc */
if (ctx->vif && (ctx->vif->type == NL80211_IFTYPE_ADHOC))
if (iwlagn_update_beacon(priv, ctx->vif))
IWL_ERR(priv, "Error sending IBSS beacon\n");
iwl_init_sensitivity(priv);
/*
* If we issue a new RXON command which required a tune then
* we must send a new TXPOWER command or we won't be able to
* Tx any frames.
*
* It's expected we set power here if channel is changing.
*/
ret = iwl_set_tx_power(priv, priv->tx_power_next, true);
if (ret) {
IWL_ERR(priv, "Error sending TX power (%d)\n", ret);
return ret;
}
return 0;
}