struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type)
{
- struct mwifiex_chan_freq_power cfp;
u32 config_bands = 0;
struct wiphy *wiphy = priv->wdev->wiphy;
struct mwifiex_adapter *adapter = priv->adapter;
mwifiex_cfg80211_channel_type_to_sec_chan_offset
(channel_type);
adapter->channel_type = channel_type;
+ priv->adhoc_channel =
+ ieee80211_frequency_to_channel(chan->center_freq);
mwifiex_send_domain_info_cmd_fw(wiphy);
}
wiphy_dbg(wiphy, "info: setting band %d, chan offset %d, mode %d\n",
config_bands, adapter->sec_chan_offset, priv->bss_mode);
- if (!chan)
- return 0;
-
- memset(&cfp, 0, sizeof(cfp));
- cfp.freq = chan->center_freq;
- cfp.channel = ieee80211_frequency_to_channel(chan->center_freq);
-
- if (priv->bss_type == MWIFIEX_BSS_TYPE_STA) {
- if (mwifiex_bss_set_channel(priv, &cfp))
- return -EFAULT;
- return mwifiex_drv_change_adhoc_chan(priv, cfp.channel);
- }
return 0;
}
#define HostCmd_CMD_BBP_REG_ACCESS 0x001a
#define HostCmd_CMD_RF_REG_ACCESS 0x001b
#define HostCmd_CMD_PMIC_REG_ACCESS 0x00ad
-#define HostCmd_CMD_802_11_RF_CHANNEL 0x001d
#define HostCmd_CMD_RF_TX_PWR 0x001e
#define HostCmd_CMD_RF_ANTENNA 0x0020
#define HostCmd_CMD_802_11_DEAUTHENTICATE 0x0024
u8 channel;
} __packed;
-struct host_cmd_ds_802_11_rf_channel {
- __le16 action;
- __le16 current_channel;
- __le16 rf_type;
- __le16 reserved;
- u8 reserved_1[32];
-} __packed;
-
struct host_cmd_ds_version_ext {
u8 version_str_sel;
char version_str[128];
struct host_cmd_ds_802_11_rssi_info rssi_info;
struct host_cmd_ds_802_11_rssi_info_rsp rssi_info_rsp;
struct host_cmd_ds_802_11_snmp_mib smib;
- struct host_cmd_ds_802_11_rf_channel rf_channel;
struct host_cmd_ds_tx_rate_query tx_rate;
struct host_cmd_ds_tx_rate_cfg tx_rate_cfg;
struct host_cmd_ds_txpwr_cfg txp_cfg;
const struct mwifiex_user_scan_cfg *user_scan_in);
int mwifiex_set_radio(struct mwifiex_private *priv, u8 option);
-int mwifiex_drv_change_adhoc_chan(struct mwifiex_private *priv, u16 channel);
-
int mwifiex_set_encode(struct mwifiex_private *priv, const u8 *key,
int key_len, u8 key_index, const u8 *mac_addr,
int disable);
int mwifiex_main_process(struct mwifiex_adapter *);
-int mwifiex_bss_set_channel(struct mwifiex_private *,
- struct mwifiex_chan_freq_power *cfp);
int mwifiex_get_bss_info(struct mwifiex_private *,
struct mwifiex_bss_info *);
int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
return 0;
}
-/*
- * This function prepares command to set/get RF channel.
- *
- * Preparation includes -
- * - Setting command ID, action and proper size
- * - Setting RF type and current RF channel (for SET only)
- * - Ensuring correct endian-ness
- */
-static int mwifiex_cmd_802_11_rf_channel(struct mwifiex_private *priv,
- struct host_cmd_ds_command *cmd,
- u16 cmd_action, u16 *channel)
-{
- struct host_cmd_ds_802_11_rf_channel *rf_chan =
- &cmd->params.rf_channel;
- uint16_t rf_type = le16_to_cpu(rf_chan->rf_type);
-
- cmd->command = cpu_to_le16(HostCmd_CMD_802_11_RF_CHANNEL);
- cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_rf_channel)
- + S_DS_GEN);
-
- if (cmd_action == HostCmd_ACT_GEN_SET) {
- if ((priv->adapter->adhoc_start_band & BAND_A) ||
- (priv->adapter->adhoc_start_band & BAND_AN))
- rf_chan->rf_type =
- cpu_to_le16(HostCmd_SCAN_RADIO_TYPE_A);
-
- rf_type = le16_to_cpu(rf_chan->rf_type);
- SET_SECONDARYCHAN(rf_type, priv->adapter->sec_chan_offset);
- rf_chan->current_channel = cpu_to_le16(*channel);
- }
- rf_chan->action = cpu_to_le16(cmd_action);
- return 0;
-}
-
/*
* This function prepares command to set/get IBSS coalescing status.
*
S_DS_GEN);
ret = 0;
break;
- case HostCmd_CMD_802_11_RF_CHANNEL:
- ret = mwifiex_cmd_802_11_rf_channel(priv, cmd_ptr, cmd_action,
- data_buf);
- break;
case HostCmd_CMD_FUNC_INIT:
if (priv->adapter->hw_status == MWIFIEX_HW_STATUS_RESET)
priv->adapter->hw_status = MWIFIEX_HW_STATUS_READY;
return 0;
}
-/*
- * This function handles the command response of get RF channel.
- *
- * Handling includes changing the header fields into CPU format
- * and saving the new channel in driver.
- */
-static int mwifiex_ret_802_11_rf_channel(struct mwifiex_private *priv,
- struct host_cmd_ds_command *resp,
- u16 *data_buf)
-{
- struct host_cmd_ds_802_11_rf_channel *rf_channel =
- &resp->params.rf_channel;
- u16 new_channel = le16_to_cpu(rf_channel->current_channel);
-
- if (priv->curr_bss_params.bss_descriptor.channel != new_channel) {
- dev_dbg(priv->adapter->dev, "cmd: Channel Switch: %d to %d\n",
- priv->curr_bss_params.bss_descriptor.channel,
- new_channel);
- /* Update the channel again */
- priv->curr_bss_params.bss_descriptor.channel = new_channel;
- }
-
- if (data_buf)
- *data_buf = new_channel;
-
- return 0;
-}
-
/*
* This function handles the command response of get extended version.
*
case HostCmd_CMD_802_11_TX_RATE_QUERY:
ret = mwifiex_ret_802_11_tx_rate_query(priv, resp);
break;
- case HostCmd_CMD_802_11_RF_CHANNEL:
- ret = mwifiex_ret_802_11_rf_channel(priv, resp, data_buf);
- break;
case HostCmd_CMD_VERSION_EXT:
ret = mwifiex_ret_ver_ext(priv, resp, data_buf);
break;
}
EXPORT_SYMBOL_GPL(mwifiex_disable_auto_ds);
-/*
- * IOCTL request handler to set/get active channel.
- *
- * This function performs validity checking on channel/frequency
- * compatibility and returns failure if not valid.
- */
-int mwifiex_bss_set_channel(struct mwifiex_private *priv,
- struct mwifiex_chan_freq_power *chan)
-{
- struct mwifiex_adapter *adapter = priv->adapter;
- struct mwifiex_chan_freq_power *cfp = NULL;
-
- if (!chan)
- return -1;
-
- if (!chan->channel && !chan->freq)
- return -1;
- if (adapter->adhoc_start_band & BAND_AN)
- adapter->adhoc_start_band = BAND_G | BAND_B | BAND_GN;
- else if (adapter->adhoc_start_band & BAND_A)
- adapter->adhoc_start_band = BAND_G | BAND_B;
- if (chan->channel) {
- if (chan->channel <= MAX_CHANNEL_BAND_BG)
- cfp = mwifiex_get_cfp(priv, 0, (u16) chan->channel, 0);
- if (!cfp) {
- cfp = mwifiex_get_cfp(priv, BAND_A,
- (u16) chan->channel, 0);
- if (cfp) {
- if (adapter->adhoc_11n_enabled)
- adapter->adhoc_start_band = BAND_A
- | BAND_AN;
- else
- adapter->adhoc_start_band = BAND_A;
- }
- }
- } else {
- if (chan->freq <= MAX_FREQUENCY_BAND_BG)
- cfp = mwifiex_get_cfp(priv, 0, 0, chan->freq);
- if (!cfp) {
- cfp = mwifiex_get_cfp(priv, BAND_A, 0, chan->freq);
- if (cfp) {
- if (adapter->adhoc_11n_enabled)
- adapter->adhoc_start_band = BAND_A
- | BAND_AN;
- else
- adapter->adhoc_start_band = BAND_A;
- }
- }
- }
- if (!cfp || !cfp->channel) {
- dev_err(adapter->dev, "invalid channel/freq\n");
- return -1;
- }
- priv->adhoc_channel = (u8) cfp->channel;
- chan->channel = cfp->channel;
- chan->freq = cfp->freq;
-
- return 0;
-}
-
-/*
- * IOCTL request handler to set/get Ad-Hoc channel.
- *
- * This function prepares the correct firmware command and
- * issues it to set or get the ad-hoc channel.
- */
-static int mwifiex_bss_ioctl_ibss_channel(struct mwifiex_private *priv,
- u16 action, u16 *channel)
-{
- if (action == HostCmd_ACT_GEN_GET) {
- if (!priv->media_connected) {
- *channel = priv->adhoc_channel;
- return 0;
- }
- } else {
- priv->adhoc_channel = (u8) *channel;
- }
-
- return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_RF_CHANNEL,
- action, 0, channel);
-}
-
-/*
- * IOCTL request handler to change Ad-Hoc channel.
- *
- * This function allocates the IOCTL request buffer, fills it
- * with requisite parameters and calls the IOCTL handler.
- *
- * The function follows the following steps to perform the change -
- * - Get current IBSS information
- * - Get current channel
- * - If no change is required, return
- * - If not connected, change channel and return
- * - If connected,
- * - Disconnect
- * - Change channel
- * - Perform specific SSID scan with same SSID
- * - Start/Join the IBSS
- */
-int
-mwifiex_drv_change_adhoc_chan(struct mwifiex_private *priv, u16 channel)
-{
- int ret;
- struct mwifiex_bss_info bss_info;
- struct mwifiex_ssid_bssid ssid_bssid;
- u16 curr_chan = 0;
- struct cfg80211_bss *bss = NULL;
- struct ieee80211_channel *chan;
- enum ieee80211_band band;
-
- memset(&bss_info, 0, sizeof(bss_info));
-
- /* Get BSS information */
- if (mwifiex_get_bss_info(priv, &bss_info))
- return -1;
-
- /* Get current channel */
- ret = mwifiex_bss_ioctl_ibss_channel(priv, HostCmd_ACT_GEN_GET,
- &curr_chan);
-
- if (curr_chan == channel) {
- ret = 0;
- goto done;
- }
- dev_dbg(priv->adapter->dev, "cmd: updating channel from %d to %d\n",
- curr_chan, channel);
-
- if (!bss_info.media_connected) {
- ret = 0;
- goto done;
- }
-
- /* Do disonnect */
- memset(&ssid_bssid, 0, ETH_ALEN);
- ret = mwifiex_deauthenticate(priv, ssid_bssid.bssid);
-
- ret = mwifiex_bss_ioctl_ibss_channel(priv, HostCmd_ACT_GEN_SET,
- &channel);
-
- /* Do specific SSID scanning */
- if (mwifiex_request_scan(priv, &bss_info.ssid)) {
- ret = -1;
- goto done;
- }
-
- band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
- chan = __ieee80211_get_channel(priv->wdev->wiphy,
- ieee80211_channel_to_frequency(channel,
- band));
-
- /* Find the BSS we want using available scan results */
- bss = cfg80211_get_bss(priv->wdev->wiphy, chan, bss_info.bssid,
- bss_info.ssid.ssid, bss_info.ssid.ssid_len,
- WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
- if (!bss)
- wiphy_warn(priv->wdev->wiphy, "assoc: bss %pM not in scan results\n",
- bss_info.bssid);
-
- ret = mwifiex_bss_start(priv, bss, &bss_info.ssid);
-done:
- return ret;
-}
-
/*
* IOCTL request handler to get rate.
*
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / commitdiff