diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex/cfg80211.c')
-rw-r--r-- | drivers/net/wireless/mwifiex/cfg80211.c | 224 |
1 files changed, 79 insertions, 145 deletions
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index ec0895f4e8d..b99ae2677d7 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -34,22 +34,17 @@ static int mwifiex_cfg80211_channel_type_to_mwifiex_channels(enum nl80211_channel_type channel_type) { - int channel; switch (channel_type) { case NL80211_CHAN_NO_HT: case NL80211_CHAN_HT20: - channel = NO_SEC_CHANNEL; - break; + return NO_SEC_CHANNEL; case NL80211_CHAN_HT40PLUS: - channel = SEC_CHANNEL_ABOVE; - break; + return SEC_CHANNEL_ABOVE; case NL80211_CHAN_HT40MINUS: - channel = SEC_CHANNEL_BELOW; - break; + return SEC_CHANNEL_BELOW; default: - channel = NO_SEC_CHANNEL; + return NO_SEC_CHANNEL; } - return channel; } /* @@ -64,21 +59,16 @@ mwifiex_cfg80211_channel_type_to_mwifiex_channels(enum nl80211_channel_type static enum nl80211_channel_type mwifiex_channels_to_cfg80211_channel_type(int channel_type) { - int channel; switch (channel_type) { case NO_SEC_CHANNEL: - channel = NL80211_CHAN_HT20; - break; + return NL80211_CHAN_HT20; case SEC_CHANNEL_ABOVE: - channel = NL80211_CHAN_HT40PLUS; - break; + return NL80211_CHAN_HT40PLUS; case SEC_CHANNEL_BELOW: - channel = NL80211_CHAN_HT40MINUS; - break; + return NL80211_CHAN_HT40MINUS; default: - channel = NL80211_CHAN_HT20; + return NL80211_CHAN_HT20; } - return channel; } /* @@ -117,10 +107,8 @@ mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, bool pairwise, const u8 *mac_addr) { struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy); - int ret = 0; - ret = mwifiex_set_encode(priv, NULL, 0, key_index, 1); - if (ret) { + if (mwifiex_set_encode(priv, NULL, 0, key_index, 1)) { wiphy_err(wiphy, "deleting the crypto keys\n"); return -EFAULT; } @@ -137,12 +125,17 @@ mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy, enum nl80211_tx_power_setting type, int dbm) { - int ret = 0; struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy); + struct mwifiex_power_cfg power_cfg; - ret = mwifiex_set_tx_power(priv, type, dbm); + if (type == NL80211_TX_POWER_FIXED) { + power_cfg.is_power_auto = 0; + power_cfg.power_level = dbm; + } else { + power_cfg.is_power_auto = 1; + } - return ret; + return mwifiex_set_tx_power(priv, &power_cfg); } /* @@ -155,17 +148,17 @@ mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, bool enabled, int timeout) { - int ret = 0; struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy); + u32 ps_mode; if (timeout) wiphy_dbg(wiphy, "info: ignoring the timeout value" " for IEEE power save\n"); - ret = mwifiex_drv_set_power(priv, enabled); + ps_mode = enabled; - return ret; + return mwifiex_drv_set_power(priv, &ps_mode); } /* @@ -177,18 +170,15 @@ mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev, bool multicast) { struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy); - int ret; /* Return if WEP key not configured */ if (priv->sec_info.wep_status == MWIFIEX_802_11_WEP_DISABLED) return 0; - ret = mwifiex_set_encode(priv, NULL, 0, key_index, 0); - - wiphy_dbg(wiphy, "info: set default Tx key index\n"); - - if (ret) + if (mwifiex_set_encode(priv, NULL, 0, key_index, 0)) { + wiphy_err(wiphy, "set default Tx key index\n"); return -EFAULT; + } return 0; } @@ -202,15 +192,12 @@ mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev, struct key_params *params) { struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy); - int ret = 0; - ret = mwifiex_set_encode(priv, params->key, params->key_len, - key_index, 0); - - wiphy_dbg(wiphy, "info: crypto keys added\n"); - - if (ret) + if (mwifiex_set_encode(priv, params->key, params->key_len, + key_index, 0)) { + wiphy_err(wiphy, "crypto keys added\n"); return -EFAULT; + } return 0; } @@ -235,7 +222,6 @@ static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy) struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy); struct mwifiex_adapter *adapter = priv->adapter; struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg; - int ret = 0; /* Set country code */ domain_info->country_code[0] = priv->country_code[0]; @@ -290,13 +276,14 @@ static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy) } domain_info->no_of_triplet = no_of_triplet; - /* Send cmd to FW to set domain info */ - ret = mwifiex_prepare_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO, - HostCmd_ACT_GEN_SET, 0, NULL, NULL); - if (ret) + + if (mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO, + HostCmd_ACT_GEN_SET, 0, NULL)) { wiphy_err(wiphy, "11D: setting domain info in FW\n"); + return -1; + } - return ret; + return 0; } /* @@ -346,8 +333,6 @@ mwifiex_set_rf_channel(struct mwifiex_private *priv, enum nl80211_channel_type channel_type) { struct mwifiex_chan_freq_power cfp; - int ret = 0; - int status = 0; struct mwifiex_ds_band_cfg band_cfg; u32 config_bands = 0; struct wiphy *wiphy = priv->wdev->wiphy; @@ -366,15 +351,14 @@ mwifiex_set_rf_channel(struct mwifiex_private *priv, band_cfg.config_bands = config_bands; band_cfg.adhoc_start_band = config_bands; } - /* Set channel offset */ + band_cfg.sec_chan_offset = mwifiex_cfg80211_channel_type_to_mwifiex_channels (channel_type); - status = mwifiex_radio_ioctl_band_cfg(priv, HostCmd_ACT_GEN_SET, - &band_cfg); - if (status) + if (mwifiex_set_radio_band_cfg(priv, &band_cfg)) return -EFAULT; + mwifiex_send_domain_info_cmd_fw(wiphy); } @@ -382,20 +366,16 @@ mwifiex_set_rf_channel(struct mwifiex_private *priv, "mode %d\n", config_bands, band_cfg.sec_chan_offset, priv->bss_mode); if (!chan) - return ret; + return 0; memset(&cfp, 0, sizeof(cfp)); cfp.freq = chan->center_freq; - /* Convert frequency to channel */ cfp.channel = ieee80211_frequency_to_channel(chan->center_freq); - status = mwifiex_bss_ioctl_channel(priv, HostCmd_ACT_GEN_SET, &cfp); - if (status) + if (mwifiex_bss_set_channel(priv, &cfp)) return -EFAULT; - ret = mwifiex_drv_change_adhoc_chan(priv, cfp.channel); - - return ret; + return mwifiex_drv_change_adhoc_chan(priv, cfp.channel); } /* @@ -422,67 +402,41 @@ mwifiex_cfg80211_set_channel(struct wiphy *wiphy, struct net_device *dev, /* * This function sets the fragmentation threshold. * - * This function creates an IOCTL request, populates it accordingly - * and issues an IOCTL. - * - * The fragmentation threshold value must lies between MWIFIEX_FRAG_MIN_VALUE + * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE * and MWIFIEX_FRAG_MAX_VALUE. */ static int mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr) { int ret = 0; - int status = 0; - struct mwifiex_wait_queue *wait = NULL; - u8 wait_option = MWIFIEX_IOCTL_WAIT; if (frag_thr < MWIFIEX_FRAG_MIN_VALUE || frag_thr > MWIFIEX_FRAG_MAX_VALUE) return -EINVAL; - wait = mwifiex_alloc_fill_wait_queue(priv, wait_option); - if (!wait) - return -ENOMEM; - - status = mwifiex_snmp_mib_ioctl(priv, wait, FRAG_THRESH_I, - HostCmd_ACT_GEN_SET, &frag_thr); - - if (mwifiex_request_ioctl(priv, wait, status, wait_option)) - ret = -EFAULT; + /* Send request to firmware */ + ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB, + HostCmd_ACT_GEN_SET, FRAG_THRESH_I, + &frag_thr); - kfree(wait); return ret; } /* * This function sets the RTS threshold. - * - * This function creates an IOCTL request, populates it accordingly - * and issues an IOCTL. + + * The rts value must lie between MWIFIEX_RTS_MIN_VALUE + * and MWIFIEX_RTS_MAX_VALUE. */ static int mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr) { - int ret = 0; - struct mwifiex_wait_queue *wait = NULL; - int status = 0; - u8 wait_option = MWIFIEX_IOCTL_WAIT; - if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE) rts_thr = MWIFIEX_RTS_MAX_VALUE; - wait = mwifiex_alloc_fill_wait_queue(priv, wait_option); - if (!wait) - return -ENOMEM; - - status = mwifiex_snmp_mib_ioctl(priv, wait, RTS_THRESH_I, - HostCmd_ACT_GEN_SET, &rts_thr); - - if (mwifiex_request_ioctl(priv, wait, status, wait_option)) - ret = -EFAULT; - - kfree(wait); - return ret; + return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB, + HostCmd_ACT_GEN_SET, RTS_THRESH_I, + &rts_thr); } /* @@ -498,8 +452,11 @@ mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) int ret = 0; - if (changed & WIPHY_PARAM_RTS_THRESHOLD) + if (changed & WIPHY_PARAM_RTS_THRESHOLD) { ret = mwifiex_set_rts(priv, wiphy->rts_threshold); + if (ret) + return ret; + } if (changed & WIPHY_PARAM_FRAG_THRESHOLD) ret = mwifiex_set_frag(priv, wiphy->frag_threshold); @@ -518,7 +475,6 @@ mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, { int ret = 0; struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - struct mwifiex_wait_queue *wait = NULL; if (priv->bss_mode == type) { wiphy_warn(wiphy, "already set to required type\n"); @@ -545,24 +501,13 @@ mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, return -EINVAL; } - wait = mwifiex_alloc_fill_wait_queue(priv, MWIFIEX_IOCTL_WAIT); - if (!wait) - return -ENOMEM; - - mwifiex_deauthenticate(priv, wait, NULL); + mwifiex_deauthenticate(priv, NULL); priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; - ret = mwifiex_prepare_cmd(priv, HostCmd_CMD_SET_BSS_MODE, - HostCmd_ACT_GEN_SET, 0, wait, NULL); - if (!ret) - ret = -EINPROGRESS; - - ret = mwifiex_request_ioctl(priv, wait, ret, MWIFIEX_IOCTL_WAIT); - if (ret) - ret = -EFAULT; + ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE, + HostCmd_ACT_GEN_SET, 0, NULL); - kfree(wait); return ret; } @@ -592,7 +537,7 @@ mwifiex_dump_station_info(struct mwifiex_private *priv, /* Get signal information from the firmware */ memset(&signal, 0, sizeof(struct mwifiex_ds_get_signal)); - if (mwifiex_get_signal_info(priv, MWIFIEX_IOCTL_WAIT, &signal)) { + if (mwifiex_get_signal_info(priv, &signal)) { dev_err(priv->adapter->dev, "getting signal information\n"); ret = -EFAULT; } @@ -623,7 +568,6 @@ mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, u8 *mac, struct station_info *sinfo) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - int ret = 0; mwifiex_dump_station_info(priv, sinfo); @@ -632,10 +576,7 @@ mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, if (memcmp(mac, priv->cfg_bssid, ETH_ALEN)) return -ENOENT; - - ret = mwifiex_dump_station_info(priv, sinfo); - - return ret; + return mwifiex_dump_station_info(priv, sinfo); } /* Supported rates to be advertised to the cfg80211 */ @@ -750,7 +691,7 @@ mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, return -EBUSY; priv->disconnect = 1; - if (mwifiex_disconnect(priv, MWIFIEX_IOCTL_WAIT, NULL)) + if (mwifiex_deauthenticate(priv, NULL)) return -EFAULT; wiphy_dbg(wiphy, "info: successfully disconnected from %pM:" @@ -774,15 +715,13 @@ mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, */ static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) { - int ret = 0; struct ieee80211_channel *chan; struct mwifiex_bss_info bss_info; int ie_len = 0; u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)]; - ret = mwifiex_get_bss_info(priv, &bss_info); - if (ret) - return ret; + if (mwifiex_get_bss_info(priv, &bss_info)) + return -1; ie_buf[0] = WLAN_EID_SSID; ie_buf[1] = bss_info.ssid.ssid_len; @@ -801,7 +740,7 @@ static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) 0, ie_buf, ie_len, 0, GFP_KERNEL); memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN); - return ret; + return 0; } /* @@ -830,16 +769,15 @@ static int mwifiex_inform_bss_from_scan_result(struct mwifiex_private *priv, struct mwifiex_bssdescriptor *scan_table; int i, j; struct ieee80211_channel *chan; - u8 *ie, *tmp, *ie_buf; + u8 *ie, *ie_buf; u32 ie_len; - u64 ts = 0; u8 *beacon; int beacon_size; u8 element_id, element_len; memset(&scan_resp, 0, sizeof(scan_resp)); - if (mwifiex_get_scan_table(priv, MWIFIEX_IOCTL_WAIT, &scan_resp)) - return -EFAULT; + scan_resp.scan_table = (u8 *) priv->adapter->scan_table; + scan_resp.num_in_scan_table = priv->adapter->num_in_scan_table; #define MAX_IE_BUF 2048 ie_buf = kzalloc(MAX_IE_BUF, GFP_KERNEL); @@ -914,9 +852,9 @@ static int mwifiex_inform_bss_from_scan_result(struct mwifiex_private *priv, case WLAN_EID_BSS_AC_ACCESS_DELAY: ie[0] = element_id; ie[1] = element_len; - tmp = (u8 *) beacon; memcpy(&ie[sizeof(struct ieee_types_header)], - tmp + sizeof(struct ieee_types_header), + (u8 *) beacon + + sizeof(struct ieee_types_header), element_len); ie_len += ie[1] + sizeof(struct ieee_types_header); @@ -933,7 +871,7 @@ static int mwifiex_inform_bss_from_scan_result(struct mwifiex_private *priv, scan_table[i].freq); cfg80211_inform_bss(priv->wdev->wiphy, chan, scan_table[i].mac_address, - ts, scan_table[i].cap_info_bitmap, + 0, scan_table[i].cap_info_bitmap, scan_table[i].beacon_period, ie_buf, ie_len, scan_table[i].rssi, GFP_KERNEL); @@ -966,9 +904,7 @@ mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid, struct mwifiex_802_11_ssid req_ssid; struct mwifiex_ssid_bssid ssid_bssid; int ret = 0; - int auth_type = 0, pairwise_encrypt_mode = 0; - int group_encrypt_mode = 0; - int alg_is_wep = 0; + int auth_type = 0; memset(&req_ssid, 0, sizeof(struct mwifiex_802_11_ssid)); memset(&ssid_bssid, 0, sizeof(struct mwifiex_ssid_bssid)); @@ -986,7 +922,7 @@ mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid, } /* disconnect before try to associate */ - mwifiex_disconnect(priv, MWIFIEX_IOCTL_WAIT, NULL); + mwifiex_deauthenticate(priv, NULL); if (channel) ret = mwifiex_set_rf_channel(priv, channel, @@ -1034,9 +970,7 @@ mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid, ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len); if (sme->key) { - alg_is_wep = mwifiex_is_alg_wep(pairwise_encrypt_mode) - | mwifiex_is_alg_wep(group_encrypt_mode); - if (alg_is_wep) { + if (mwifiex_is_alg_wep(0) | mwifiex_is_alg_wep(0)) { dev_dbg(priv->adapter->dev, "info: setting wep encryption" " with key len %d\n", sme->key_len); @@ -1046,7 +980,7 @@ mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid, } done: /* Do specific SSID scanning */ - if (mwifiex_request_scan(priv, MWIFIEX_IOCTL_WAIT, &req_ssid)) { + if (mwifiex_request_scan(priv, &req_ssid)) { dev_err(priv->adapter->dev, "scan error\n"); return -EFAULT; } @@ -1055,8 +989,7 @@ done: memcpy(&ssid_bssid.ssid, &req_ssid, sizeof(struct mwifiex_802_11_ssid)); if (mode != NL80211_IFTYPE_ADHOC) { - if (mwifiex_find_best_bss(priv, MWIFIEX_IOCTL_WAIT, - &ssid_bssid)) + if (mwifiex_find_best_bss(priv, &ssid_bssid)) return -EFAULT; /* Inform the BSS information to kernel, otherwise * kernel will give a panic after successful assoc */ @@ -1072,7 +1005,10 @@ done: /* Connect to BSS by ESSID */ memset(&ssid_bssid.bssid, 0, ETH_ALEN); - if (mwifiex_bss_start(priv, MWIFIEX_IOCTL_WAIT, &ssid_bssid)) + if (!netif_queue_stopped(priv->netdev)) + netif_stop_queue(priv->netdev); + + if (mwifiex_bss_start(priv, &ssid_bssid)) return -EFAULT; if (mode == NL80211_IFTYPE_ADHOC) { @@ -1176,7 +1112,7 @@ mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n", priv->cfg_bssid); - if (mwifiex_disconnect(priv, MWIFIEX_IOCTL_WAIT, NULL)) + if (mwifiex_deauthenticate(priv, NULL)) return -EFAULT; queue_work(priv->workqueue, &priv->cfg_workqueue); @@ -1451,6 +1387,4 @@ done: memset(priv->cfg_bssid, 0, ETH_ALEN); priv->disconnect = 0; } - - return; } |