diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex/cfg80211.c')
-rw-r--r-- | drivers/net/wireless/mwifiex/cfg80211.c | 287 |
1 files changed, 152 insertions, 135 deletions
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index c7a177c62625..fe42137384da 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -48,10 +48,9 @@ static const struct ieee80211_iface_combination mwifiex_iface_comb_ap_sta = { * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE */ static u8 -mwifiex_cfg80211_channel_type_to_sec_chan_offset(enum nl80211_channel_type - channel_type) +mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type) { - switch (channel_type) { + switch (chan_type) { case NL80211_CHAN_NO_HT: case NL80211_CHAN_HT20: return IEEE80211_HT_PARAM_CHA_SEC_NONE; @@ -339,79 +338,6 @@ static int mwifiex_reg_notifier(struct wiphy *wiphy, } /* - * This function sets the RF channel. - * - * This function creates multiple IOCTL requests, populates them accordingly - * and issues them to set the band/channel and frequency. - */ -static int -mwifiex_set_rf_channel(struct mwifiex_private *priv, - 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; - - if (chan) { - /* Set appropriate bands */ - if (chan->band == IEEE80211_BAND_2GHZ) { - if (channel_type == NL80211_CHAN_NO_HT) - if (priv->adapter->config_bands == BAND_B || - priv->adapter->config_bands == BAND_G) - config_bands = - priv->adapter->config_bands; - else - config_bands = BAND_B | BAND_G; - else - config_bands = BAND_B | BAND_G | BAND_GN; - } else { - if (channel_type == NL80211_CHAN_NO_HT) - config_bands = BAND_A; - else - config_bands = BAND_AN | BAND_A; - } - - if (!((config_bands | adapter->fw_bands) & - ~adapter->fw_bands)) { - adapter->config_bands = config_bands; - if (priv->bss_mode == NL80211_IFTYPE_ADHOC) { - adapter->adhoc_start_band = config_bands; - if ((config_bands & BAND_GN) || - (config_bands & BAND_AN)) - adapter->adhoc_11n_enabled = true; - else - adapter->adhoc_11n_enabled = false; - } - } - adapter->sec_chan_offset = - mwifiex_cfg80211_channel_type_to_sec_chan_offset - (channel_type); - adapter->channel_type = channel_type; - - 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; -} - -/* * This function sets the fragmentation threshold. * * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE @@ -626,7 +552,7 @@ static int mwifiex_dump_station_info(struct mwifiex_private *priv, struct station_info *sinfo) { - struct mwifiex_rate_cfg rate; + u32 rate; sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES | STATION_INFO_RX_PACKETS | STATION_INFO_TX_PACKETS | @@ -652,9 +578,9 @@ mwifiex_dump_station_info(struct mwifiex_private *priv, /* * Bit 0 in tx_htinfo indicates that current Tx rate is 11n rate. Valid - * MCS index values for us are 0 to 7. + * MCS index values for us are 0 to 15. */ - if ((priv->tx_htinfo & BIT(0)) && (priv->tx_rate < 8)) { + if ((priv->tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) { sinfo->txrate.mcs = priv->tx_rate; sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; /* 40MHz rate */ @@ -672,7 +598,7 @@ mwifiex_dump_station_info(struct mwifiex_private *priv, sinfo->tx_packets = priv->stats.tx_packets; sinfo->signal = priv->bcn_rssi_avg; /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */ - sinfo->txrate.legacy = rate.rate * 5; + sinfo->txrate.legacy = rate * 5; if (priv->bss_mode == NL80211_IFTYPE_STATION) { sinfo->filled |= STATION_INFO_BSS_PARAM; @@ -827,8 +753,8 @@ static const u32 mwifiex_cipher_suites[] = { /* * CFG802.11 operation handler for setting bit rates. * - * Function selects legacy bang B/G/BG from corresponding bitrates selection. - * Currently only 2.4GHz band is supported. + * Function configures data rates to firmware using bitrate mask + * provided by cfg80211. */ static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy, struct net_device *dev, @@ -836,43 +762,36 @@ static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy, const struct cfg80211_bitrate_mask *mask) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - int index = 0, mode = 0, i; - struct mwifiex_adapter *adapter = priv->adapter; + u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; + enum ieee80211_band band; - /* Currently only 2.4GHz is supported */ - for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) { - /* - * Rates below 6 Mbps in the table are CCK rates; 802.11b - * and from 6 they are OFDM; 802.11G - */ - if (mwifiex_rates[i].bitrate == 60) { - index = 1 << i; - break; - } + if (!priv->media_connected) { + dev_err(priv->adapter->dev, + "Can not set Tx data rate in disconnected state\n"); + return -EINVAL; } - if (mask->control[IEEE80211_BAND_2GHZ].legacy < index) { - mode = BAND_B; - } else { - mode = BAND_G; - if (mask->control[IEEE80211_BAND_2GHZ].legacy % index) - mode |= BAND_B; - } + band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); - if (!((mode | adapter->fw_bands) & ~adapter->fw_bands)) { - adapter->config_bands = mode; - if (priv->bss_mode == NL80211_IFTYPE_ADHOC) { - adapter->adhoc_start_band = mode; - adapter->adhoc_11n_enabled = false; - } - } - adapter->sec_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE; - adapter->channel_type = NL80211_CHAN_NO_HT; + memset(bitmap_rates, 0, sizeof(bitmap_rates)); - wiphy_debug(wiphy, "info: device configured in 802.11%s%s mode\n", - (mode & BAND_B) ? "b" : "", (mode & BAND_G) ? "g" : ""); + /* Fill HR/DSSS rates. */ + if (band == IEEE80211_BAND_2GHZ) + bitmap_rates[0] = mask->control[band].legacy & 0x000f; - return 0; + /* Fill OFDM rates */ + if (band == IEEE80211_BAND_2GHZ) + bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4; + else + bitmap_rates[1] = mask->control[band].legacy; + + /* Fill MCS rates */ + bitmap_rates[2] = mask->control[band].mcs[0]; + if (priv->adapter->hw_dev_mcs_support == HT_STREAM_2X2) + bitmap_rates[2] |= mask->control[band].mcs[1] << 8; + + return mwifiex_send_cmd_sync(priv, HostCmd_CMD_TX_RATE_CFG, + HostCmd_ACT_GEN_SET, 0, bitmap_rates); } /* @@ -1007,6 +926,7 @@ static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, { struct mwifiex_uap_bss_param *bss_cfg; struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); + u8 config_bands = 0; if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) return -1; @@ -1047,13 +967,25 @@ static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, (u8)ieee80211_frequency_to_channel(params->channel->center_freq); bss_cfg->band_cfg = BAND_CONFIG_MANUAL; - if (mwifiex_set_rf_channel(priv, params->channel, - params->channel_type)) { - kfree(bss_cfg); - wiphy_err(wiphy, "Failed to set band config information!\n"); - return -1; + /* Set appropriate bands */ + if (params->channel->band == IEEE80211_BAND_2GHZ) { + if (params->channel_type == NL80211_CHAN_NO_HT) + config_bands = BAND_B | BAND_G; + else + config_bands = BAND_B | BAND_G | BAND_GN; + } else { + if (params->channel_type == NL80211_CHAN_NO_HT) + config_bands = BAND_A; + else + config_bands = BAND_AN | BAND_A; } + if (!((config_bands | priv->adapter->fw_bands) & + ~priv->adapter->fw_bands)) + priv->adapter->config_bands = config_bands; + + mwifiex_send_domain_info_cmd_fw(wiphy); + if (mwifiex_set_secure_params(priv, bss_cfg, params)) { kfree(bss_cfg); wiphy_err(wiphy, "Failed to parse secuirty parameters!\n"); @@ -1187,7 +1119,7 @@ mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid, struct cfg80211_ssid req_ssid; int ret, auth_type = 0; struct cfg80211_bss *bss = NULL; - u8 is_scanning_required = 0; + u8 is_scanning_required = 0, config_bands = 0; memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); @@ -1206,9 +1138,19 @@ mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid, /* disconnect before try to associate */ mwifiex_deauthenticate(priv, NULL); - if (channel) - ret = mwifiex_set_rf_channel(priv, channel, - priv->adapter->channel_type); + if (channel) { + if (mode == NL80211_IFTYPE_STATION) { + if (channel->band == IEEE80211_BAND_2GHZ) + config_bands = BAND_B | BAND_G | BAND_GN; + else + config_bands = BAND_A | BAND_AN; + + if (!((config_bands | priv->adapter->fw_bands) & + ~priv->adapter->fw_bands)) + priv->adapter->config_bands = config_bands; + } + mwifiex_send_domain_info_cmd_fw(priv->wdev->wiphy); + } /* As this is new association, clear locally stored * keys and security related flags */ @@ -1373,6 +1315,76 @@ done: } /* + * This function sets following parameters for ibss network. + * - channel + * - start band + * - 11n flag + * - secondary channel offset + */ +static int mwifiex_set_ibss_params(struct mwifiex_private *priv, + struct cfg80211_ibss_params *params) +{ + struct wiphy *wiphy = priv->wdev->wiphy; + struct mwifiex_adapter *adapter = priv->adapter; + int index = 0, i; + u8 config_bands = 0; + + if (params->channel->band == IEEE80211_BAND_2GHZ) { + if (!params->basic_rates) { + config_bands = BAND_B | BAND_G; + } else { + for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) { + /* + * Rates below 6 Mbps in the table are CCK + * rates; 802.11b and from 6 they are OFDM; + * 802.11G + */ + if (mwifiex_rates[i].bitrate == 60) { + index = 1 << i; + break; + } + } + + if (params->basic_rates < index) { + config_bands = BAND_B; + } else { + config_bands = BAND_G; + if (params->basic_rates % index) + config_bands |= BAND_B; + } + } + + if (params->channel_type != NL80211_CHAN_NO_HT) + config_bands |= BAND_GN; + } else { + if (params->channel_type == NL80211_CHAN_NO_HT) + config_bands = BAND_A; + else + config_bands = BAND_AN | BAND_A; + } + + if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) { + adapter->config_bands = config_bands; + adapter->adhoc_start_band = config_bands; + + if ((config_bands & BAND_GN) || (config_bands & BAND_AN)) + adapter->adhoc_11n_enabled = true; + else + adapter->adhoc_11n_enabled = false; + } + + adapter->sec_chan_offset = + mwifiex_chan_type_to_sec_chan_offset(params->channel_type); + priv->adhoc_channel = + ieee80211_frequency_to_channel(params->channel->center_freq); + + wiphy_dbg(wiphy, "info: set ibss band %d, chan %d, chan offset %d\n", + config_bands, priv->adhoc_channel, adapter->sec_chan_offset); + + return 0; +} + +/* * CFG802.11 operation handler to join an IBSS. * * This function does not work in any mode other than Ad-Hoc, or if @@ -1394,6 +1406,8 @@ mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n", (char *) params->ssid, params->bssid); + mwifiex_set_ibss_params(priv, params); + ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid, params->bssid, priv->bss_mode, params->channel, NULL, params->privacy); @@ -1440,9 +1454,10 @@ mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) * it also informs the results. */ static int -mwifiex_cfg80211_scan(struct wiphy *wiphy, struct net_device *dev, +mwifiex_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) { + struct net_device *dev = request->wdev->netdev; struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); int i; struct ieee80211_channel *chan; @@ -1576,11 +1591,11 @@ mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, /* * create a new virtual interface with the given name */ -struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy, - char *name, - enum nl80211_iftype type, - u32 *flags, - struct vif_params *params) +struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, + char *name, + enum nl80211_iftype type, + u32 *flags, + struct vif_params *params) { struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); struct mwifiex_private *priv; @@ -1701,16 +1716,16 @@ struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy, #ifdef CONFIG_DEBUG_FS mwifiex_dev_debugfs_init(priv); #endif - return dev; + return wdev; } EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); /* * del_virtual_intf: remove the virtual interface determined by dev */ -int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev) +int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) { - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); + struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); #ifdef CONFIG_DEBUG_FS mwifiex_dev_debugfs_remove(priv); @@ -1722,11 +1737,11 @@ int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev) if (netif_carrier_ok(priv->netdev)) netif_carrier_off(priv->netdev); - if (dev->reg_state == NETREG_REGISTERED) - unregister_netdevice(dev); + if (wdev->netdev->reg_state == NETREG_REGISTERED) + unregister_netdevice(wdev->netdev); - if (dev->reg_state == NETREG_UNREGISTERED) - free_netdev(dev); + if (wdev->netdev->reg_state == NETREG_UNREGISTERED) + free_netdev(wdev->netdev); /* Clear the priv in adapter */ priv->netdev = NULL; @@ -1818,6 +1833,8 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1; wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1; + wiphy->features = NL80211_FEATURE_HT_IBSS; + /* Reserve space for mwifiex specific private data for BSS */ wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv); 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