/** * This file contains ioctl functions */ #include #include #include #include #include #include #include #include #include "host.h" #include "radiotap.h" #include "decl.h" #include "defs.h" #include "dev.h" #include "join.h" #include "wext.h" #include "assoc.h" /** * the rates supported by the card */ static u8 libertas_wlan_data_rates[WLAN_SUPPORTED_RATES] = { 0x02, 0x04, 0x0B, 0x16, 0x00, 0x0C, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x00 }; /** * @brief Convert mw value to dbm value * * @param mw the value of mw * @return the value of dbm */ static int mw_to_dbm(int mw) { if (mw < 2) return 0; else if (mw < 3) return 3; else if (mw < 4) return 5; else if (mw < 6) return 7; else if (mw < 7) return 8; else if (mw < 8) return 9; else if (mw < 10) return 10; else if (mw < 13) return 11; else if (mw < 16) return 12; else if (mw < 20) return 13; else if (mw < 25) return 14; else if (mw < 32) return 15; else if (mw < 40) return 16; else if (mw < 50) return 17; else if (mw < 63) return 18; else if (mw < 79) return 19; else if (mw < 100) return 20; else return 21; } /** * @brief Find the channel frequency power info with specific channel * * @param adapter A pointer to wlan_adapter structure * @param band it can be BAND_A, BAND_G or BAND_B * @param channel the channel for looking * @return A pointer to struct chan_freq_power structure or NULL if not find. */ struct chan_freq_power *libertas_find_cfp_by_band_and_channel(wlan_adapter * adapter, u8 band, u16 channel) { struct chan_freq_power *cfp = NULL; struct region_channel *rc; int count = sizeof(adapter->region_channel) / sizeof(adapter->region_channel[0]); int i, j; for (j = 0; !cfp && (j < count); j++) { rc = &adapter->region_channel[j]; if (adapter->enable11d) rc = &adapter->universal_channel[j]; if (!rc->valid || !rc->CFP) continue; if (rc->band != band) continue; for (i = 0; i < rc->nrcfp; i++) { if (rc->CFP[i].channel == channel) { cfp = &rc->CFP[i]; break; } } } if (!cfp && channel) lbs_deb_wext("libertas_find_cfp_by_band_and_channel: can't find " "cfp by band %d / channel %d\n", band, channel); return cfp; } /** * @brief Find the channel frequency power info with specific frequency * * @param adapter A pointer to wlan_adapter structure * @param band it can be BAND_A, BAND_G or BAND_B * @param freq the frequency for looking * @return A pointer to struct chan_freq_power structure or NULL if not find. */ static struct chan_freq_power *find_cfp_by_band_and_freq(wlan_adapter * adapter, u8 band, u32 freq) { struct chan_freq_power *cfp = NULL; struct region_channel *rc; int count = sizeof(adapter->region_channel) / sizeof(adapter->region_channel[0]); int i, j; for (j = 0; !cfp && (j < count); j++) { rc = &adapter->region_channel[j]; if (adapter->enable11d) rc = &adapter->universal_channel[j]; if (!rc->valid || !rc->CFP) continue; if (rc->band != band) continue; for (i = 0; i < rc->nrcfp; i++) { if (rc->CFP[i].freq == freq) { cfp = &rc->CFP[i]; break; } } } if (!cfp && freq) lbs_deb_wext("find_cfp_by_band_and_freql: can't find cfp by " "band %d / freq %d\n", band, freq); return cfp; } static int updatecurrentchannel(wlan_private * priv) { int ret; /* ** the channel in f/w could be out of sync, get the current channel */ ret = libertas_prepare_and_send_command(priv, cmd_802_11_rf_channel, cmd_opt_802_11_rf_channel_get, cmd_option_waitforrsp, 0, NULL); lbs_deb_wext("current channel %d\n", priv->adapter->curbssparams.channel); return ret; } static int setcurrentchannel(wlan_private * priv, int channel) { lbs_deb_wext("set channel %d\n", channel); /* ** Current channel is not set to adhocchannel requested, set channel */ return (libertas_prepare_and_send_command(priv, cmd_802_11_rf_channel, cmd_opt_802_11_rf_channel_set, cmd_option_waitforrsp, 0, &channel)); } static int changeadhocchannel(wlan_private * priv, int channel) { int ret = 0; wlan_adapter *adapter = priv->adapter; adapter->adhocchannel = channel; updatecurrentchannel(priv); if (adapter->curbssparams.channel == adapter->adhocchannel) { /* adhocchannel is set to the current channel already */ goto out; } lbs_deb_wext("updating channel from %d to %d\n", adapter->curbssparams.channel, adapter->adhocchannel); setcurrentchannel(priv, adapter->adhocchannel); updatecurrentchannel(priv); if (adapter->curbssparams.channel != adapter->adhocchannel) { lbs_deb_wext("failed to updated channel to %d, channel = %d\n", adapter->adhocchannel, adapter->curbssparams.channel); ret = -1; goto out; } if (adapter->connect_status == libertas_connected) { int i; struct WLAN_802_11_SSID curadhocssid; lbs_deb_wext("channel changed while in IBSS\n"); /* Copy the current ssid */ memcpy(&curadhocssid, &adapter->curbssparams.ssid, sizeof(struct WLAN_802_11_SSID)); /* Exit Adhoc mode */ lbs_deb_wext("in changeadhocchannel(): sending Adhoc stop\n"); ret = libertas_stop_adhoc_network(priv); if (ret) goto out; /* Scan for the network, do not save previous results. Stale * scan data will cause us to join a non-existant adhoc network */ libertas_send_specific_SSID_scan(priv, &curadhocssid, 0); // find out the BSSID that matches the current SSID i = libertas_find_SSID_in_list(adapter, &curadhocssid, NULL, IW_MODE_ADHOC); if (i >= 0) { lbs_deb_wext("SSID found at %d in list," "so join\n", i); libertas_join_adhoc_network(priv, &adapter->scantable[i]); } else { // else send START command lbs_deb_wext("SSID not found in list, " "creating AdHoc with SSID '%s'\n", curadhocssid.ssid); libertas_start_adhoc_network(priv, &curadhocssid); } // end of else (START command) } out: lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); return ret; } /** * @brief Set Radio On/OFF * * @param priv A pointer to wlan_private structure * @option Radio Option * @return 0 --success, otherwise fail */ int wlan_radio_ioctl(wlan_private * priv, u8 option) { int ret = 0; wlan_adapter *adapter = priv->adapter; lbs_deb_enter(LBS_DEB_WEXT); if (adapter->radioon != option) { lbs_deb_wext("switching radio %s\n", option ? "on" : "off"); adapter->radioon = option; ret = libertas_prepare_and_send_command(priv, cmd_802_11_radio_control, cmd_act_set, cmd_option_waitforrsp, 0, NULL); } lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); return ret; } /** * @brief Copy rates * * @param dest A pointer to Dest Buf * @param src A pointer to Src Buf * @param len The len of Src Buf * @return Number of rates copyed */ static inline int copyrates(u8 * dest, int pos, u8 * src, int len) { int i; for (i = 0; i < len && src[i]; i++, pos++) { if (pos >= sizeof(u8) * WLAN_SUPPORTED_RATES) break; dest[pos] = src[i]; } return pos; } /** * @brief Get active data rates * * @param adapter A pointer to wlan_adapter structure * @param rate The buf to return the active rates * @return The number of rates */ static int get_active_data_rates(wlan_adapter * adapter, u8* rates) { int k = 0; lbs_deb_enter(LBS_DEB_WEXT); if (adapter->connect_status != libertas_connected) { if (adapter->mode == IW_MODE_INFRA) { lbs_deb_wext("infra\n"); k = copyrates(rates, k, libertas_supported_rates, sizeof(libertas_supported_rates)); } else { lbs_deb_wext("Adhoc G\n"); k = copyrates(rates, k, libertas_adhoc_rates_g, sizeof(libertas_adhoc_rates_g)); } } else { k = copyrates(rates, 0, adapter->curbssparams.datarates, adapter->curbssparams.numofrates); } lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", k); return k; } static int wlan_get_name(struct net_device *dev, struct iw_request_info *info, char *cwrq, char *extra) { const char *cp; char comm[6] = { "COMM-" }; char mrvl[6] = { "MRVL-" }; int cnt; lbs_deb_enter(LBS_DEB_WEXT); strcpy(cwrq, mrvl); cp = strstr(libertas_driver_version, comm); if (cp == libertas_driver_version) //skip leading "COMM-" cp = libertas_driver_version + strlen(comm); else cp = libertas_driver_version; cnt = strlen(mrvl); cwrq += cnt; while (cnt < 16 && (*cp != '-')) { *cwrq++ = toupper(*cp++); cnt++; } *cwrq = '\0'; lbs_deb_leave(LBS_DEB_WEXT); return 0; } static int wlan_get_freq(struct net_device *dev, struct iw_request_info *info, struct iw_freq *fwrq, char *extra) { wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; struct chan_freq_power *cfp; lbs_deb_enter(LBS_DEB_WEXT); cfp = libertas_find_cfp_by_band_and_channel(adapter, 0, adapter->curbssparams.channel); if (!cfp) { if (adapter->curbssparams.channel) lbs_deb_wext("invalid channel %d\n", adapter->curbssparams.channel); return -EINVAL; } fwrq->m = (long)cfp->freq * 100000; fwrq->e = 1; lbs_deb_wext("freq %u\n", fwrq->m); lbs_deb_leave(LBS_DEB_WEXT); return 0; } static int wlan_get_wap(struct net_device *dev, struct iw_request_info *info, struct sockaddr *awrq, char *extra) { wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; lbs_deb_enter(LBS_DEB_WEXT); if (adapter->connect_status == libertas_connected) { memcpy(awrq->sa_data, adapter->curbssparams.bssid, ETH_ALEN); } else { memset(awrq->sa_data, 0, ETH_ALEN); } awrq->sa_family = ARPHRD_ETHER; lbs_deb_leave(LBS_DEB_WEXT); return 0; } static int wlan_set_nick(struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra) { wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; lbs_deb_enter(LBS_DEB_WEXT); /* * Check the size of the string */ if (dwrq->length > 16) { return -E2BIG; } mutex_lock(&adapter->lock); memset(adapter->nodename, 0, sizeof(adapter->nodename)); memcpy(adapter->nodename, extra, dwrq->length); mutex_unlock(&adapter->lock); lbs_deb_leave(LBS_DEB_WEXT); return 0; } static int wlan_get_nick(struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra) { wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; lbs_deb_enter(LBS_DEB_WEXT); /* * Get the Nick Name saved */ mutex_lock(&adapter->lock); strncpy(extra, adapter->nodename, 16); mutex_unlock(&adapter->lock); extra[16] = '\0'; /* * If none, we may want to get the one that was set */ /* * Push it out ! */ dwrq->length = strlen(extra) + 1; lbs_deb_leave(LBS_DEB_WEXT); return 0; } static int wlan_set_rts(struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra) { int ret = 0; wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; int rthr = vwrq->value; lbs_deb_enter(LBS_DEB_WEXT); if (vwrq->disabled) { adapter->rtsthsd = rthr = MRVDRV_RTS_MAX_VALUE; } else { if (rthr < MRVDRV_RTS_MIN_VALUE || rthr > MRVDRV_RTS_MAX_VALUE) return -EINVAL; adapter->rtsthsd = rthr; } ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib, cmd_act_set, cmd_option_waitforrsp, OID_802_11_RTS_THRESHOLD, &rthr); lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); return ret; } static int wlan_get_rts(struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra) { int ret = 0; wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; lbs_deb_enter(LBS_DEB_WEXT); adapter->rtsthsd = 0; ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib, cmd_act_get, cmd_option_waitforrsp, OID_802_11_RTS_THRESHOLD, NULL); if (ret) goto out; vwrq->value = adapter->rtsthsd; vwrq->disabled = ((vwrq->value < MRVDRV_RTS_MIN_VALUE) || (vwrq->value > MRVDRV_RTS_MAX_VALUE)); vwrq->fixed = 1; out: lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); return ret; } static int wlan_set_frag(struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra) { int ret = 0; int fthr = vwrq->value; wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; lbs_deb_enter(LBS_DEB_WEXT); if (vwrq->disabled) { adapter->fragthsd = fthr = MRVDRV_FRAG_MAX_VALUE; } else { if (fthr < MRVDRV_FRAG_MIN_VALUE || fthr > MRVDRV_FRAG_MAX_VALUE) return -EINVAL; adapter->fragthsd = fthr; } ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib, cmd_act_set, cmd_option_waitforrsp, OID_802_11_FRAGMENTATION_THRESHOLD, &fthr); lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); return ret; } static int wlan_get_frag(struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra) { int ret = 0; wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; lbs_deb_enter(LBS_DEB_WEXT); adapter->fragthsd = 0; ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib, cmd_act_get, cmd_option_waitforrsp, OID_802_11_FRAGMENTATION_THRESHOLD, NULL); if (ret) goto out; vwrq->value = adapter->fragthsd; vwrq->disabled = ((vwrq->value < MRVDRV_FRAG_MIN_VALUE) || (vwrq->value > MRVDRV_FRAG_MAX_VALUE)); vwrq->fixed = 1; out: lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); return ret; } static int wlan_get_mode(struct net_device *dev, struct iw_request_info *info, u32 * uwrq, char *extra) { wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; lbs_deb_enter(LBS_DEB_WEXT); *uwrq = adapter->mode; lbs_deb_leave(LBS_DEB_WEXT); return 0; } static int wlan_get_txpow(struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra) { int ret = 0; wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; lbs_deb_enter(LBS_DEB_WEXT); ret = libertas_prepare_and_send_command(priv, cmd_802_11_rf_tx_power, cmd_act_tx_power_opt_get, cmd_option_waitforrsp, 0, NULL); if (ret) goto out; lbs_deb_wext("tx power level %d dbm\n", adapter->txpowerlevel); vwrq->value = adapter->txpowerlevel; vwrq->fixed = 1; if (adapter->radioon) { vwrq->disabled = 0; vwrq->flags = IW_TXPOW_DBM; } else { vwrq->disabled = 1; } out: lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); return ret; } static int wlan_set_retry(struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra) { int ret = 0; wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; lbs_deb_enter(LBS_DEB_WEXT); if (vwrq->flags == IW_RETRY_LIMIT) { /* The MAC has a 4-bit Total_Tx_Count register Total_Tx_Count = 1 + Tx_Retry_Count */ #define TX_RETRY_MIN 0 #define TX_RETRY_MAX 14 if (vwrq->value < TX_RETRY_MIN || vwrq->value > TX_RETRY_MAX) return -EINVAL; /* Adding 1 to convert retry count to try count */ adapter->txretrycount = vwrq->value + 1; ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib, cmd_act_set, cmd_option_waitforrsp, OID_802_11_TX_RETRYCOUNT, NULL); if (ret) goto out; } else { return -EOPNOTSUPP; } out: lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); return ret; } static int wlan_get_retry(struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra) { wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; int ret = 0; lbs_deb_enter(LBS_DEB_WEXT); adapter->txretrycount = 0; ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib, cmd_act_get, cmd_option_waitforrsp, OID_802_11_TX_RETRYCOUNT, NULL); if (ret) goto out; vwrq->disabled = 0; if (!vwrq->flags) { vwrq->flags = IW_RETRY_LIMIT; /* Subtract 1 to convert try count to retry count */ vwrq->value = adapter->txretrycount - 1; } out: lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); return ret; } static inline void sort_channels(struct iw_freq *freq, int num) { int i, j; struct iw_freq temp; for (i = 0; i < num; i++) for (j = i + 1; j < num; j++) if (freq[i].i > freq[j].i) { temp.i = freq[i].i; temp.m = freq[i].m; freq[i].i = freq[j].i; freq[i].m = freq[j].m; freq[j].i = temp.i; freq[j].m = temp.m; } } /* data rate listing MULTI_BANDS: abg a b b/g Infra G(12) A(8) B(4) G(12) Adhoc A+B(12) A(8) B(4) B(4) non-MULTI_BANDS: b b/g Infra B(4) G(12) Adhoc B(4) B(4) */ /** * @brief Get Range Info * * @param dev A pointer to net_device structure * @param info A pointer to iw_request_info structure * @param vwrq A pointer to iw_param structure * @param extra A pointer to extra data buf * @return 0 --success, otherwise fail */ static int wlan_get_range(struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra) { int i, j; wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; struct iw_range *range = (struct iw_range *)extra; struct chan_freq_power *cfp; u8 rates[WLAN_SUPPORTED_RATES]; u8 flag = 0; lbs_deb_enter(LBS_DEB_WEXT); dwrq->length = sizeof(struct iw_range); memset(range, 0, sizeof(struct iw_range)); range->min_nwid = 0; range->max_nwid = 0; memset(rates, 0, sizeof(rates)); range->num_bitrates = get_active_data_rates(adapter, rates); for (i = 0; i < min_t(__u8, range->num_bitrates, IW_MAX_BITRATES) && rates[i]; i++) { range->bitrate[i] = (rates[i] & 0x7f) * 500000; } range->num_bitrates = i; lbs_deb_wext("IW_MAX_BITRATES %d, num_bitrates %d\n", IW_MAX_BITRATES, range->num_bitrates); range->num_frequency = 0; if (priv->adapter->enable11d && adapter->connect_status == libertas_connected) { u8 chan_no; u8 band; struct parsed_region_chan_11d *parsed_region_chan = &adapter->parsed_region_chan; if (parsed_region_chan == NULL) { lbs_deb_wext("11d: parsed_region_chan is NULL\n"); goto out; } band = parsed_region_chan->band; lbs_deb_wext("band %d, nr_char %d\n", band, parsed_region_chan->nr_chan); for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES) && (i < parsed_region_chan->nr_chan); i++) { chan_no = parsed_region_chan->chanpwr[i].chan; lbs_deb_wext("chan_no %d\n", chan_no); range->freq[range->num_frequency].i = (long)chan_no; range->freq[range->num_frequency].m = (long)libertas_chan_2_freq(chan_no, band) * 100000; range->freq[range->num_frequency].e = 1; range->num_frequency++; } flag = 1; } if (!flag) { for (j = 0; (range->num_frequency < IW_MAX_FREQUENCIES) && (j < sizeof(adapter->region_channel) / sizeof(adapter->region_channel[0])); j++) { cfp = adapter->region_channel[j].CFP; for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES) && adapter->region_channel[j].valid && cfp && (i < adapter->region_channel[j].nrcfp); i++) { range->freq[range->num_frequency].i = (long)cfp->channel; range->freq[range->num_frequency].m = (long)cfp->freq * 100000; range->freq[range->num_frequency].e = 1; cfp++; range->num_frequency++; } } } lbs_deb_wext("IW_MAX_FREQUENCIES %d, num_frequency %d\n", IW_MAX_FREQUENCIES, range->num_frequency); range->num_channels = range->num_frequency; sort_channels(&range->freq[0], range->num_frequency); /* * Set an indication of the max TCP throughput in bit/s that we can * expect using this interface */ if (i > 2) range->throughput = 5000 * 1000; else range->throughput = 1500 * 1000; range->min_rts = MRVDRV_RTS_MIN_VALUE; range->max_rts = MRVDRV_RTS_MAX_VALUE; range->min_frag = MRVDRV_FRAG_MIN_VALUE; range->max_frag = MRVDRV_FRAG_MAX_VALUE; range->encoding_size[0] = 5; range->encoding_size[1] = 13; range->num_encoding_sizes = 2; range->max_encoding_tokens = 4; range->min_pmp = 1000000; range->max_pmp = 120000000; range->min_pmt = 1000; range->max_pmt = 1000000; range->pmp_flags = IW_POWER_PERIOD; range->pmt_flags = IW_POWER_TIMEOUT; range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R; /* * Minimum version we recommend */ range->we_version_source = 15; /* * Version we are compiled with */ range->we_version_compiled = WIRELESS_EXT; range->retry_capa = IW_RETRY_LIMIT; range->retry_flags = IW_RETRY_LIMIT | IW_RETRY_MAX; range->min_retry = TX_RETRY_MIN; range->max_retry = TX_RETRY_MAX; /* * Set the qual, level and noise range values */ range->max_qual.qual = 100; range->max_qual.level = 0; range->max_qual.noise = 0; range->max_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; range->avg_qual.qual = 70; /* TODO: Find real 'good' to 'bad' threshold value for RSSI */ range->avg_qual.level = 0; range->avg_qual.noise = 0; range->avg_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; range->sensitivity = 0; /* * Setup the supported power level ranges */ memset(range->txpower, 0, sizeof(range->txpower)); range->txpower[0] = 5; range->txpower[1] = 7; range->txpower[2] = 9; range->txpower[3] = 11; range->txpower[4] = 13; range->txpower[5] = 15; range->txpower[6] = 17; range->txpower[7] = 19; range->num_txpower = 8; range->txpower_capa = IW_TXPOW_DBM; range->txpower_capa |= IW_TXPOW_RANGE; range->event_capa[0] = (IW_EVENT_CAPA_K_0 | IW_EVENT_CAPA_MASK(SIOCGIWAP) | IW_EVENT_CAPA_MASK(SIOCGIWSCAN)); range->event_capa[1] = IW_EVENT_CAPA_K_1; if (adapter->fwcapinfo & FW_CAPINFO_WPA) { range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 | IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP; } out: lbs_deb_leave(LBS_DEB_WEXT); return 0; } static int wlan_set_power(struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra) { wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; lbs_deb_enter(LBS_DEB_WEXT); /* PS is currently supported only in Infrastructure mode * Remove this check if it is to be supported in IBSS mode also */ if (vwrq->disabled) { adapter->psmode = wlan802_11powermodecam; if (adapter->psstate != PS_STATE_FULL_POWER) { libertas_ps_wakeup(priv, cmd_option_waitforrsp); } return 0; } if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) { lbs_deb_wext( "setting power timeout is not supported\n"); return -EINVAL; } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) { lbs_deb_wext("setting power period not supported\n"); return -EINVAL; } if (adapter->psmode != wlan802_11powermodecam) { return 0; } adapter->psmode = wlan802_11powermodemax_psp; if (adapter->connect_status == libertas_connected) { libertas_ps_sleep(priv, cmd_option_waitforrsp); } lbs_deb_leave(LBS_DEB_WEXT); return 0; } static int wlan_get_power(struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra) { wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; int mode; lbs_deb_enter(LBS_DEB_WEXT); mode = adapter->psmode; if ((vwrq->disabled = (mode == wlan802_11powermodecam)) || adapter->connect_status == libertas_disconnected) { goto out; } vwrq->value = 0; out: lbs_deb_leave(LBS_DEB_WEXT); return 0; } /* * iwpriv settable callbacks */ static const iw_handler wlan_private_handler[] = { NULL, /* SIOCIWFIRSTPRIV */ }; static const struct iw_priv_args wlan_private_args[] = { /* * { cmd, set_args, get_args, name } */ /* Using iwpriv sub-command feature */ { WLAN_SETONEINT_GETNONE, /* IOCTL: 24 */ IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, IW_PRIV_TYPE_NONE, ""}, { WLANSETREGION, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, IW_PRIV_TYPE_NONE, "setregioncode"}, { WLAN_SUBCMD_MESH_SET_TTL, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, IW_PRIV_TYPE_NONE, "mesh_set_ttl"}, { WLAN_SETNONE_GETONEINT, IW_PRIV_TYPE_NONE, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, ""}, { WLANGETREGION, IW_PRIV_TYPE_NONE, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getregioncode"}, { WLAN_SUBCMD_FWT_CLEANUP, IW_PRIV_TYPE_NONE, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "fwt_cleanup"}, { WLAN_SUBCMD_FWT_TIME, IW_PRIV_TYPE_NONE, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "fwt_time"}, { WLAN_SUBCMD_MESH_GET_TTL, IW_PRIV_TYPE_NONE, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "mesh_get_ttl"}, { WLAN_SETNONE_GETNONE, IW_PRIV_TYPE_NONE, IW_PRIV_TYPE_NONE, ""}, { WLAN_SUBCMD_FWT_RESET, IW_PRIV_TYPE_NONE, IW_PRIV_TYPE_NONE, "fwt_reset"}, { WLAN_SUBCMD_BT_RESET, IW_PRIV_TYPE_NONE, IW_PRIV_TYPE_NONE, "bt_reset"}, { WLAN_SET128CHAR_GET128CHAR, IW_PRIV_TYPE_CHAR | 128, IW_PRIV_TYPE_CHAR | 128, ""}, /* BT Management */ { WLAN_SUBCMD_BT_ADD, IW_PRIV_TYPE_CHAR | 128, IW_PRIV_TYPE_CHAR | 128, "bt_add"}, { WLAN_SUBCMD_BT_DEL, IW_PRIV_TYPE_CHAR | 128, IW_PRIV_TYPE_CHAR | 128, "bt_del"}, { WLAN_SUBCMD_BT_LIST, IW_PRIV_TYPE_CHAR | 128, IW_PRIV_TYPE_CHAR | 128, "bt_list"}, /* FWT Management */ { WLAN_SUBCMD_FWT_ADD, IW_PRIV_TYPE_CHAR | 128, IW_PRIV_TYPE_CHAR | 128, "fwt_add"}, { WLAN_SUBCMD_FWT_DEL, IW_PRIV_TYPE_CHAR | 128, IW_PRIV_TYPE_CHAR | 128, "fwt_del"}, { WLAN_SUBCMD_FWT_LOOKUP, IW_PRIV_TYPE_CHAR | 128, IW_PRIV_TYPE_CHAR | 128, "fwt_lookup"}, { WLAN_SUBCMD_FWT_LIST_NEIGHBOR, IW_PRIV_TYPE_CHAR | 128, IW_PRIV_TYPE_CHAR | 128, "fwt_list_neigh"}, { WLAN_SUBCMD_FWT_LIST, IW_PRIV_TYPE_CHAR | 128, IW_PRIV_TYPE_CHAR | 128, "fwt_list"}, { WLAN_SUBCMD_FWT_LIST_ROUTE, IW_PRIV_TYPE_CHAR | 128, IW_PRIV_TYPE_CHAR | 128, "fwt_list_route"}, { WLAN_SET_GET_SIXTEEN_INT, IW_PRIV_TYPE_INT | 16, IW_PRIV_TYPE_INT | 16, ""}, { WLAN_LED_GPIO_CTRL, IW_PRIV_TYPE_INT | 16, IW_PRIV_TYPE_INT | 16, "ledgpio"}, }; static struct iw_statistics *wlan_get_wireless_stats(struct net_device *dev) { enum { POOR = 30, FAIR = 60, GOOD = 80, VERY_GOOD = 90, EXCELLENT = 95, PERFECT = 100 }; wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; u32 rssi_qual; u32 tx_qual; u32 quality = 0; int stats_valid = 0; u8 rssi; u32 tx_retries; lbs_deb_enter(LBS_DEB_WEXT); priv->wstats.status = adapter->mode; /* If we're not associated, all quality values are meaningless */ if (adapter->connect_status != libertas_connected) goto out; /* Quality by RSSI */ priv->wstats.qual.level = CAL_RSSI(adapter->SNR[TYPE_BEACON][TYPE_NOAVG], adapter->NF[TYPE_BEACON][TYPE_NOAVG]); if (adapter->NF[TYPE_BEACON][TYPE_NOAVG] == 0) { priv->wstats.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE; } else { priv->wstats.qual.noise = CAL_NF(adapter->NF[TYPE_BEACON][TYPE_NOAVG]); } lbs_deb_wext("signal level %#x\n", priv->wstats.qual.level); lbs_deb_wext("noise %#x\n", priv->wstats.qual.noise); rssi = priv->wstats.qual.level - priv->wstats.qual.noise; if (rssi < 15) rssi_qual = rssi * POOR / 10; else if (rssi < 20) rssi_qual = (rssi - 15) * (FAIR - POOR) / 5 + POOR; else if (rssi < 30) rssi_qual = (rssi - 20) * (GOOD - FAIR) / 5 + FAIR; else if (rssi < 40) rssi_qual = (rssi - 30) * (VERY_GOOD - GOOD) / 10 + GOOD; else rssi_qual = (rssi - 40) * (PERFECT - VERY_GOOD) / 10 + VERY_GOOD; quality = rssi_qual; /* Quality by TX errors */ priv->wstats.discard.retries = priv->stats.tx_errors; tx_retries = adapter->logmsg.retry; if (tx_retries > 75) tx_qual = (90 - tx_retries) * POOR / 15; else if (tx_retries > 70) tx_qual = (75 - tx_retries) * (FAIR - POOR) / 5 + POOR; else if (tx_retries > 65) tx_qual = (70 - tx_retries) * (GOOD - FAIR) / 5 + FAIR; else if (tx_retries > 50) tx_qual = (65 - tx_retries) * (VERY_GOOD - GOOD) / 15 + GOOD; else tx_qual = (50 - tx_retries) * (PERFECT - VERY_GOOD) / 50 + VERY_GOOD; quality = min(quality, tx_qual); priv->wstats.discard.code = adapter->logmsg.wepundecryptable; priv->wstats.discard.fragment = adapter->logmsg.rxfrag; priv->wstats.discard.retries = tx_retries; priv->wstats.discard.misc = adapter->logmsg.ackfailure; /* Calculate quality */ priv->wstats.qual.qual = max(quality, (u32)100); priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; stats_valid = 1; /* update stats asynchronously for future calls */ libertas_prepare_and_send_command(priv, cmd_802_11_rssi, 0, 0, 0, NULL); libertas_prepare_and_send_command(priv, cmd_802_11_get_log, 0, 0, 0, NULL); out: if (!stats_valid) { priv->wstats.miss.beacon = 0; priv->wstats.discard.retries = 0; priv->wstats.qual.qual = 0; priv->wstats.qual.level = 0; priv->wstats.qual.noise = 0; priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED; priv->wstats.qual.updated |= IW_QUAL_NOISE_INVALID | IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID; } lbs_deb_leave(LBS_DEB_WEXT); return &priv->wstats; } static int wlan_set_freq(struct net_device *dev, struct iw_request_info *info, struct iw_freq *fwrq, char *extra) { int ret = 0; wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; int rc = -EINPROGRESS; /* Call commit handler */ struct chan_freq_power *cfp; lbs_deb_enter(LBS_DEB_WEXT); /* * If setting by frequency, convert to a channel */ if (fwrq->e == 1) { long f = fwrq->m / 100000; int c = 0; cfp = find_cfp_by_band_and_freq(adapter, 0, f); if (!cfp) { lbs_deb_wext("invalid freq %ld\n", f); return -EINVAL; } c = (int)cfp->channel; if (c < 0) return -EINVAL; fwrq->e = 0; fwrq->m = c; } /* * Setting by channel number */ if (fwrq->m > 1000 || fwrq->e > 0) { rc = -EOPNOTSUPP; } else { int channel = fwrq->m; cfp = libertas_find_cfp_by_band_and_channel(adapter, 0, channel); if (!cfp) { rc = -EINVAL; } else { if (adapter->mode == IW_MODE_ADHOC) { rc = changeadhocchannel(priv, channel); /* If station is WEP enabled, send the * command to set WEP in firmware */ if (adapter->secinfo.wep_enabled) { lbs_deb_wext("set_freq: WEP enabled\n"); ret = libertas_prepare_and_send_command(priv, cmd_802_11_set_wep, cmd_act_add, cmd_option_waitforrsp, 0, NULL); if (ret) { rc = ret; goto out; } adapter->currentpacketfilter |= cmd_act_mac_wep_enable; libertas_set_mac_packet_filter(priv); } } else { rc = -EOPNOTSUPP; } } } out: lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", rc); return rc; } /** * @brief use index to get the data rate * * @param index The index of data rate * @return data rate or 0 */ u32 libertas_index_to_data_rate(u8 index) { if (index >= sizeof(libertas_wlan_data_rates)) index = 0; return libertas_wlan_data_rates[index]; } /** * @brief use rate to get the index * * @param rate data rate * @return index or 0 */ u8 libertas_data_rate_to_index(u32 rate) { u8 *ptr; if (rate) if ((ptr = memchr(libertas_wlan_data_rates, (u8) rate, sizeof(libertas_wlan_data_rates)))) return (ptr - libertas_wlan_data_rates); return 0; } static int wlan_set_rate(struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra) { wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; u32 data_rate; u16 action; int ret = 0; u8 rates[WLAN_SUPPORTED_RATES]; u8 *rate; lbs_deb_enter(LBS_DEB_WEXT); lbs_deb_wext("vwrq->value %d\n", vwrq->value); if (vwrq->value == -1) { action = cmd_act_set_tx_auto; // Auto adapter->is_datarate_auto = 1; adapter->datarate = 0; } else { if (vwrq->value % 100000) { return -EINVAL; } data_rate = vwrq->value / 500000; memset(rates, 0, sizeof(rates)); get_active_data_rates(adapter, rates); rate = rates; while (*rate) { lbs_deb_wext("rate=0x%X, wanted data_rate 0x%X\n", *rate, data_rate); if ((*rate & 0x7f) == (data_rate & 0x7f)) break; rate++; } if (!*rate) { lbs_pr_alert("fixed data rate 0x%X out " "of range\n", data_rate); return -EINVAL; } adapter->datarate = data_rate; action = cmd_act_set_tx_fix_rate; adapter->is_datarate_auto = 0; } ret = libertas_prepare_and_send_command(priv, cmd_802_11_data_rate, action, cmd_option_waitforrsp, 0, NULL); lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); return ret; } static int wlan_get_rate(struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra) { wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; lbs_deb_enter(LBS_DEB_WEXT); if (adapter->is_datarate_auto) { vwrq->fixed = 0; } else { vwrq->fixed = 1; } vwrq->value = adapter->datarate * 500000; lbs_deb_leave(LBS_DEB_WEXT); return 0; } static int wlan_set_mode(struct net_device *dev, struct iw_request_info *info, u32 * uwrq, char *extra) { int ret = 0; wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; struct assoc_request * assoc_req; lbs_deb_enter(LBS_DEB_WEXT); if ( (*uwrq != IW_MODE_ADHOC) && (*uwrq != IW_MODE_INFRA) && (*uwrq != IW_MODE_AUTO)) { lbs_deb_wext("Invalid mode: 0x%x\n", *uwrq); ret = -EINVAL; goto out; } mutex_lock(&adapter->lock); assoc_req = wlan_get_association_request(adapter); if (!assoc_req) { ret = -ENOMEM; wlan_cancel_association_work(priv); } else { assoc_req->mode = *uwrq; set_bit(ASSOC_FLAG_MODE, &assoc_req->flags); wlan_postpone_association_work(priv); lbs_deb_wext("Switching to mode: 0x%x\n", *uwrq); } mutex_unlock(&adapter->lock); out: lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); return ret; } /** * @brief Get Encryption key * * @param dev A pointer to net_device structure * @param info A pointer to iw_request_info structure * @param vwrq A pointer to iw_param structure * @param extra A pointer to extra data buf * @return 0 --success, otherwise fail */ static int wlan_get_encode(struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, u8 * extra) { wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; lbs_deb_enter(LBS_DEB_WEXT); lbs_deb_wext("flags 0x%x, index %d, length %d, wep_tx_keyidx %d\n", dwrq->flags, index, dwrq->length, adapter->wep_tx_keyidx); dwrq->flags = 0; /* Authentication method */ switch (adapter->secinfo.auth_mode) { case IW_AUTH_ALG_OPEN_SYSTEM: dwrq->flags = IW_ENCODE_OPEN; break; case IW_AUTH_ALG_SHARED_KEY: case IW_AUTH_ALG_LEAP: dwrq->flags = IW_ENCODE_RESTRICTED; break; default: dwrq->flags = IW_ENCODE_DISABLED | IW_ENCODE_OPEN; break; } if ( adapter->secinfo.wep_enabled || adapter->secinfo.WPAenabled || adapter->secinfo.WPA2enabled) { dwrq->flags &= ~IW_ENCODE_DISABLED; } else { dwrq->flags |= IW_ENCODE_DISABLED; } memset(extra, 0, 16); mutex_lock(&adapter->lock); /* Default to returning current transmit key */ if (index < 0) index = adapter->wep_tx_keyidx; if ((adapter->wep_keys[index].len) && adapter->secinfo.wep_enabled) { memcpy(extra, adapter->wep_keys[index].key, adapter->wep_keys[index].len); dwrq->length = adapter->wep_keys[index].len; dwrq->flags |= (index + 1); /* Return WEP enabled */ dwrq->flags &= ~IW_ENCODE_DISABLED; } else if ((adapter->secinfo.WPAenabled) || (adapter->secinfo.WPA2enabled)) { /* return WPA enabled */ dwrq->flags &= ~IW_ENCODE_DISABLED; } else { dwrq->flags |= IW_ENCODE_DISABLED; } mutex_unlock(&adapter->lock); dwrq->flags |= IW_ENCODE_NOKEY; lbs_deb_wext("key: " MAC_FMT ", keylen %d\n", extra[0], extra[1], extra[2], extra[3], extra[4], extra[5], dwrq->length); lbs_deb_wext("return flags 0x%x\n", dwrq->flags); lbs_deb_leave(LBS_DEB_WEXT); return 0; } /** * @brief Set Encryption key (internal) * * @param priv A pointer to private card structure * @param key_material A pointer to key material * @param key_length length of key material * @param index key index to set * @param set_tx_key Force set TX key (1 = yes, 0 = no) * @return 0 --success, otherwise fail */ static int wlan_set_wep_key(struct assoc_request *assoc_req, const char *key_material, u16 key_length, u16 index, int set_tx_key) { int ret = 0; struct WLAN_802_11_KEY *pkey; lbs_deb_enter(LBS_DEB_WEXT); /* Paranoid validation of key index */ if (index > 3) { ret = -EINVAL; goto out; } /* validate max key length */ if (key_length > KEY_LEN_WEP_104) { ret = -EINVAL; goto out; } pkey = &assoc_req->wep_keys[index]; if (key_length > 0) { memset(pkey, 0, sizeof(struct WLAN_802_11_KEY)); pkey->type = KEY_TYPE_ID_WEP; /* Standardize the key length */ pkey->len = (key_length > KEY_LEN_WEP_40) ? KEY_LEN_WEP_104 : KEY_LEN_WEP_40; memcpy(pkey->key, key_material, key_length); } if (set_tx_key) { /* Ensure the chosen key is valid */ if (!pkey->len) { lbs_deb_wext("key not set, so cannot enable it\n"); ret = -EINVAL; goto out; } assoc_req->wep_tx_keyidx = index; } assoc_req->secinfo.wep_enabled = 1; out: lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); return ret; } static int validate_key_index(u16 def_index, u16 raw_index, u16 *out_index, u16 *is_default) { if (!out_index || !is_default) return -EINVAL; /* Verify index if present, otherwise use default TX key index */ if (raw_index > 0) { if (raw_index > 4) return -EINVAL; *out_index = raw_index - 1; } else { *out_index = def_index; *is_default = 1; } return 0; } static void disable_wep(struct assoc_request *assoc_req) { int i; /* Set Open System auth mode */ assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; /* Clear WEP keys and mark WEP as disabled */ assoc_req->secinfo.wep_enabled = 0; for (i = 0; i < 4; i++) assoc_req->wep_keys[i].len = 0; set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags); set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags); } /** * @brief Set Encryption key * * @param dev A pointer to net_device structure * @param info A pointer to iw_request_info structure * @param vwrq A pointer to iw_param structure * @param extra A pointer to extra data buf * @return 0 --success, otherwise fail */ static int wlan_set_encode(struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra) { int ret = 0; wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; struct assoc_request * assoc_req; u16 is_default = 0, index = 0, set_tx_key = 0; lbs_deb_enter(LBS_DEB_WEXT); mutex_lock(&adapter->lock); assoc_req = wlan_get_association_request(adapter); if (!assoc_req) { ret = -ENOMEM; goto out; } if (dwrq->flags & IW_ENCODE_DISABLED) { disable_wep (assoc_req); goto out; } ret = validate_key_index(assoc_req->wep_tx_keyidx, (dwrq->flags & IW_ENCODE_INDEX), &index, &is_default); if (ret) { ret = -EINVAL; goto out; } /* If WEP isn't enabled, or if there is no key data but a valid * index, set the TX key. */ if (!assoc_req->secinfo.wep_enabled || (dwrq->length == 0 && !is_default)) set_tx_key = 1; ret = wlan_set_wep_key(assoc_req, extra, dwrq->length, index, set_tx_key); if (ret) goto out; if (dwrq->length) set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags); if (set_tx_key) set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags); if (dwrq->flags & IW_ENCODE_RESTRICTED) { assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY; } else if (dwrq->flags & IW_ENCODE_OPEN) { assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; } out: if (ret == 0) { set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags); wlan_postpone_association_work(priv); } else { wlan_cancel_association_work(priv); } mutex_unlock(&adapter->lock); lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); return ret; } /** * @brief Get Extended Encryption key (WPA/802.1x and WEP) * * @param dev A pointer to net_device structure * @param info A pointer to iw_request_info structure * @param vwrq A pointer to iw_param structure * @param extra A pointer to extra data buf * @return 0 on success, otherwise failure */ static int wlan_get_encodeext(struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra) { int ret = -EINVAL; wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; int index, max_key_len; lbs_deb_enter(LBS_DEB_WEXT); max_key_len = dwrq->length - sizeof(*ext); if (max_key_len < 0) goto out; index = dwrq->flags & IW_ENCODE_INDEX; if (index) { if (index < 1 || index > 4) goto out; index--; } else { index = adapter->wep_tx_keyidx; } if (!ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY && ext->alg != IW_ENCODE_ALG_WEP) { if (index != 0 || adapter->mode != IW_MODE_INFRA) goto out; } dwrq->flags = index + 1; memset(ext, 0, sizeof(*ext)); if ( !adapter->secinfo.wep_enabled && !adapter->secinfo.WPAenabled && !adapter->secinfo.WPA2enabled) { ext->alg = IW_ENCODE_ALG_NONE; ext->key_len = 0; dwrq->flags |= IW_ENCODE_DISABLED; } else { u8 *key = NULL; if ( adapter->secinfo.wep_enabled && !adapter->secinfo.WPAenabled && !adapter->secinfo.WPA2enabled) { ext->alg = IW_ENCODE_ALG_WEP; ext->key_len = adapter->wep_keys[index].len; key = &adapter->wep_keys[index].key[0]; } else if ( !adapter->secinfo.wep_enabled && (adapter->secinfo.WPAenabled || adapter->secinfo.WPA2enabled)) { /* WPA */ ext->alg = IW_ENCODE_ALG_TKIP; ext->key_len = 0; } else { goto out; } if (ext->key_len > max_key_len) { ret = -E2BIG; goto out; } if (ext->key_len) memcpy(ext->key, key, ext->key_len); else dwrq->flags |= IW_ENCODE_NOKEY; dwrq->flags |= IW_ENCODE_ENABLED; } ret = 0; out: lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); return ret; } /** * @brief Set Encryption key Extended (WPA/802.1x and WEP) * * @param dev A pointer to net_device structure * @param info A pointer to iw_request_info structure * @param vwrq A pointer to iw_param structure * @param extra A pointer to extra data buf * @return 0 --success, otherwise fail */ static int wlan_set_encodeext(struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra) { int ret = 0; wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; int alg = ext->alg; struct assoc_request * assoc_req; lbs_deb_enter(LBS_DEB_WEXT); mutex_lock(&adapter->lock); assoc_req = wlan_get_association_request(adapter); if (!assoc_req) { ret = -ENOMEM; goto out; } if ((alg == IW_ENCODE_ALG_NONE) || (dwrq->flags & IW_ENCODE_DISABLED)) { disable_wep (assoc_req); } else if (alg == IW_ENCODE_ALG_WEP) { u16 is_default = 0, index, set_tx_key = 0; ret = validate_key_index(assoc_req->wep_tx_keyidx, (dwrq->flags & IW_ENCODE_INDEX), &index, &is_default); if (ret) goto out; /* If WEP isn't enabled, or if there is no key data but a valid * index, or if the set-TX-key flag was passed, set the TX key. */ if ( !assoc_req->secinfo.wep_enabled || (dwrq->length == 0 && !is_default) || (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)) set_tx_key = 1; /* Copy key to driver */ ret = wlan_set_wep_key (assoc_req, ext->key, ext->key_len, index, set_tx_key); if (ret) goto out; if (dwrq->flags & IW_ENCODE_RESTRICTED) { assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY; } else if (dwrq->flags & IW_ENCODE_OPEN) { assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; } /* Mark the various WEP bits as modified */ set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags); if (dwrq->length) set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags); if (set_tx_key) set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags); } else if ((alg == IW_ENCODE_ALG_TKIP) || (alg == IW_ENCODE_ALG_CCMP)) { struct WLAN_802_11_KEY * pkey; /* validate key length */ if (((alg == IW_ENCODE_ALG_TKIP) && (ext->key_len != KEY_LEN_WPA_TKIP)) || ((alg == IW_ENCODE_ALG_CCMP) && (ext->key_len != KEY_LEN_WPA_AES))) { lbs_deb_wext("invalid size %d for key of alg" "type %d\n", ext->key_len, alg); ret = -EINVAL; goto out; } if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) pkey = &assoc_req->wpa_mcast_key; else pkey = &assoc_req->wpa_unicast_key; memset(pkey, 0, sizeof (struct WLAN_802_11_KEY)); memcpy(pkey->key, ext->key, ext->key_len); pkey->len = ext->key_len; pkey->flags = KEY_INFO_WPA_ENABLED; if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) { pkey->flags |= KEY_INFO_WPA_MCAST; set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags); } else { pkey->flags |= KEY_INFO_WPA_UNICAST; set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags); } if (alg == IW_ENCODE_ALG_TKIP) pkey->type = KEY_TYPE_ID_TKIP; else if (alg == IW_ENCODE_ALG_CCMP) pkey->type = KEY_TYPE_ID_AES; /* If WPA isn't enabled yet, do that now */ if ( assoc_req->secinfo.WPAenabled == 0 && assoc_req->secinfo.WPA2enabled == 0) { assoc_req->secinfo.WPAenabled = 1; assoc_req->secinfo.WPA2enabled = 1; set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags); } disable_wep (assoc_req); } out: if (ret == 0) { wlan_postpone_association_work(priv); } else { wlan_cancel_association_work(priv); } mutex_unlock(&adapter->lock); lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); return ret; } static int wlan_set_genie(struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra) { wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; int ret = 0; struct assoc_request * assoc_req; lbs_deb_enter(LBS_DEB_WEXT); mutex_lock(&adapter->lock); assoc_req = wlan_get_association_request(adapter); if (!assoc_req) { ret = -ENOMEM; goto out; } if (dwrq->length > MAX_WPA_IE_LEN || (dwrq->length && extra == NULL)) { ret = -EINVAL; goto out; } if (dwrq->length) { memcpy(&assoc_req->wpa_ie[0], extra, dwrq->length); assoc_req->wpa_ie_len = dwrq->length; } else { memset(&assoc_req->wpa_ie[0], 0, sizeof(adapter->wpa_ie)); assoc_req->wpa_ie_len = 0; } out: if (ret == 0) { set_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags); wlan_postpone_association_work(priv); } else { wlan_cancel_association_work(priv); } mutex_unlock(&adapter->lock); lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); return ret; } static int wlan_get_genie(struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra) { int ret = 0; wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; lbs_deb_enter(LBS_DEB_WEXT); if (adapter->wpa_ie_len == 0) { dwrq->length = 0; goto out; } if (dwrq->length < adapter->wpa_ie_len) { ret = -E2BIG; goto out; } dwrq->length = adapter->wpa_ie_len; memcpy(extra, &adapter->wpa_ie[0], adapter->wpa_ie_len); out: lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); return ret; } static int wlan_set_auth(struct net_device *dev, struct iw_request_info *info, struct iw_param *dwrq, char *extra) { wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; struct assoc_request * assoc_req; int ret = 0; int updated = 0; lbs_deb_enter(LBS_DEB_WEXT); mutex_lock(&adapter->lock); assoc_req = wlan_get_association_request(adapter); if (!assoc_req) { ret = -ENOMEM; goto out; } switch (dwrq->flags & IW_AUTH_INDEX) { case IW_AUTH_TKIP_COUNTERMEASURES: case IW_AUTH_CIPHER_PAIRWISE: case IW_AUTH_CIPHER_GROUP: case IW_AUTH_KEY_MGMT: /* * libertas does not use these parameters */ break; case IW_AUTH_WPA_VERSION: if (dwrq->value & IW_AUTH_WPA_VERSION_DISABLED) { assoc_req->secinfo.WPAenabled = 0; assoc_req->secinfo.WPA2enabled = 0; } if (dwrq->value & IW_AUTH_WPA_VERSION_WPA) { assoc_req->secinfo.WPAenabled = 1; assoc_req->secinfo.wep_enabled = 0; assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; } if (dwrq->value & IW_AUTH_WPA_VERSION_WPA2) { assoc_req->secinfo.WPA2enabled = 1; assoc_req->secinfo.wep_enabled = 0; assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; } updated = 1; break; case IW_AUTH_DROP_UNENCRYPTED: if (dwrq->value) { adapter->currentpacketfilter |= cmd_act_mac_strict_protection_enable; } else { adapter->currentpacketfilter &= ~cmd_act_mac_strict_protection_enable; } updated = 1; break; case IW_AUTH_80211_AUTH_ALG: if (dwrq->value & IW_AUTH_ALG_SHARED_KEY) { assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY; } else if (dwrq->value & IW_AUTH_ALG_OPEN_SYSTEM) { assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; } else if (dwrq->value & IW_AUTH_ALG_LEAP) { assoc_req->secinfo.auth_mode = IW_AUTH_ALG_LEAP; } else { ret = -EINVAL; } updated = 1; break; case IW_AUTH_WPA_ENABLED: if (dwrq->value) { if (!assoc_req->secinfo.WPAenabled && !assoc_req->secinfo.WPA2enabled) { assoc_req->secinfo.WPAenabled = 1; assoc_req->secinfo.WPA2enabled = 1; assoc_req->secinfo.wep_enabled = 0; assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; } } else { assoc_req->secinfo.WPAenabled = 0; assoc_req->secinfo.WPA2enabled = 0; } updated = 1; break; default: ret = -EOPNOTSUPP; break; } out: if (ret == 0) { if (updated) set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags); wlan_postpone_association_work(priv); } else if (ret != -EOPNOTSUPP) { wlan_cancel_association_work(priv); } mutex_unlock(&adapter->lock); lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); return ret; } static int wlan_get_auth(struct net_device *dev, struct iw_request_info *info, struct iw_param *dwrq, char *extra) { int ret = 0; wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; lbs_deb_enter(LBS_DEB_WEXT); switch (dwrq->flags & IW_AUTH_INDEX) { case IW_AUTH_WPA_VERSION: dwrq->value = 0; if (adapter->secinfo.WPAenabled) dwrq->value |= IW_AUTH_WPA_VERSION_WPA; if (adapter->secinfo.WPA2enabled) dwrq->value |= IW_AUTH_WPA_VERSION_WPA2; if (!dwrq->value) dwrq->value |= IW_AUTH_WPA_VERSION_DISABLED; break; case IW_AUTH_DROP_UNENCRYPTED: dwrq->value = 0; if (adapter->currentpacketfilter & cmd_act_mac_strict_protection_enable) dwrq->value = 1; break; case IW_AUTH_80211_AUTH_ALG: dwrq->value = adapter->secinfo.auth_mode; break; case IW_AUTH_WPA_ENABLED: if (adapter->secinfo.WPAenabled && adapter->secinfo.WPA2enabled) dwrq->value = 1; break; default: ret = -EOPNOTSUPP; } lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); return ret; } static int wlan_set_txpow(struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra) { int ret = 0; wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; u16 dbm; lbs_deb_enter(LBS_DEB_WEXT); if (vwrq->disabled) { wlan_radio_ioctl(priv, RADIO_OFF); return 0; } adapter->preamble = cmd_type_auto_preamble; wlan_radio_ioctl(priv, RADIO_ON); if ((vwrq->flags & IW_TXPOW_TYPE) == IW_TXPOW_MWATT) { dbm = (u16) mw_to_dbm(vwrq->value); } else dbm = (u16) vwrq->value; /* auto tx power control */ if (vwrq->fixed == 0) dbm = 0xffff; lbs_deb_wext("txpower set %d dbm\n", dbm); ret = libertas_prepare_and_send_command(priv, cmd_802_11_rf_tx_power, cmd_act_tx_power_opt_set_low, cmd_option_waitforrsp, 0, (void *)&dbm); lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); return ret; } static int wlan_get_essid(struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra) { wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; lbs_deb_enter(LBS_DEB_WEXT); /* * Note : if dwrq->flags != 0, we should get the relevant SSID from * the SSID list... */ /* * Get the current SSID */ if (adapter->connect_status == libertas_connected) { memcpy(extra, adapter->curbssparams.ssid.ssid, adapter->curbssparams.ssid.ssidlength); extra[adapter->curbssparams.ssid.ssidlength] = '\0'; } else { memset(extra, 0, 32); extra[adapter->curbssparams.ssid.ssidlength] = '\0'; } /* * If none, we may want to get the one that was set */ /* To make the driver backward compatible with WPA supplicant v0.2.4 */ if (dwrq->length == 32) /* check with WPA supplicant buffer size */ dwrq->length = min_t(size_t, adapter->curbssparams.ssid.ssidlength, IW_ESSID_MAX_SIZE); else dwrq->length = adapter->curbssparams.ssid.ssidlength + 1; dwrq->flags = 1; /* active */ lbs_deb_leave(LBS_DEB_WEXT); return 0; } static int wlan_set_essid(struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra) { wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; int ret = 0; struct WLAN_802_11_SSID ssid; struct assoc_request * assoc_req; int ssid_len = dwrq->length; lbs_deb_enter(LBS_DEB_WEXT); /* * WE-20 and earlier NULL pad the end of the SSID and increment * SSID length so it can be used like a string. WE-21 and later don't, * but some userspace tools aren't able to cope with the change. */ if ((ssid_len > 0) && (extra[ssid_len - 1] == '\0')) ssid_len--; /* Check the size of the string */ if (ssid_len > IW_ESSID_MAX_SIZE) { ret = -E2BIG; goto out; } memset(&ssid, 0, sizeof(struct WLAN_802_11_SSID)); if (!dwrq->flags || !ssid_len) { /* "any" SSID requested; leave SSID blank */ } else { /* Specific SSID requested */ memcpy(&ssid.ssid, extra, ssid_len); ssid.ssidlength = ssid_len; } lbs_deb_wext("requested new SSID '%s'\n", (ssid.ssidlength > 0) ? (char *)ssid.ssid : "any"); out: mutex_lock(&adapter->lock); if (ret == 0) { /* Get or create the current association request */ assoc_req = wlan_get_association_request(adapter); if (!assoc_req) { ret = -ENOMEM; } else { /* Copy the SSID to the association request */ memcpy(&assoc_req->ssid, &ssid, sizeof(struct WLAN_802_11_SSID)); set_bit(ASSOC_FLAG_SSID, &assoc_req->flags); wlan_postpone_association_work(priv); } } /* Cancel the association request if there was an error */ if (ret != 0) { wlan_cancel_association_work(priv); } mutex_unlock(&adapter->lock); lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); return ret; } /** * @brief Connect to the AP or Ad-hoc Network with specific bssid * * @param dev A pointer to net_device structure * @param info A pointer to iw_request_info structure * @param awrq A pointer to iw_param structure * @param extra A pointer to extra data buf * @return 0 --success, otherwise fail */ static int wlan_set_wap(struct net_device *dev, struct iw_request_info *info, struct sockaddr *awrq, char *extra) { wlan_private *priv = dev->priv; wlan_adapter *adapter = priv->adapter; struct assoc_request * assoc_req; int ret = 0; lbs_deb_enter(LBS_DEB_WEXT); if (awrq->sa_family != ARPHRD_ETHER) return -EINVAL; lbs_deb_wext("ASSOC: WAP: sa_data " MAC_FMT "\n", MAC_ARG(awrq->sa_data)); mutex_lock(&adapter->lock); /* Get or create the current association request */ assoc_req = wlan_get_association_request(adapter); if (!assoc_req) { wlan_cancel_association_work(priv); ret = -ENOMEM; } else { /* Copy the BSSID to the association request */ memcpy(&assoc_req->bssid, awrq->sa_data, ETH_ALEN); set_bit(ASSOC_FLAG_BSSID, &assoc_req->flags); wlan_postpone_association_work(priv); } mutex_unlock(&adapter->lock); return ret; } void libertas_get_fwversion(wlan_adapter * adapter, char *fwversion, int maxlen) { union { u32 l; u8 c[4]; } ver; char fwver[32]; mutex_lock(&adapter->lock); ver.l = adapter->fwreleasenumber; mutex_unlock(&adapter->lock); if (ver.c[3] == 0) sprintf(fwver, "%u.%u.%u", ver.c[2], ver.c[1], ver.c[0]); else sprintf(fwver, "%u.%u.%u.p%u", ver.c[2], ver.c[1], ver.c[0], ver.c[3]); snprintf(fwversion, maxlen, fwver); } /* * iwconfig settable callbacks */ static const iw_handler wlan_handler[] = { (iw_handler) NULL, /* SIOCSIWCOMMIT */ (iw_handler) wlan_get_name, /* SIOCGIWNAME */ (iw_handler) NULL, /* SIOCSIWNWID */ (iw_handler) NULL, /* SIOCGIWNWID */ (iw_handler) wlan_set_freq, /* SIOCSIWFREQ */ (iw_handler) wlan_get_freq, /* SIOCGIWFREQ */ (iw_handler) wlan_set_mode, /* SIOCSIWMODE */ (iw_handler) wlan_get_mode, /* SIOCGIWMODE */ (iw_handler) NULL, /* SIOCSIWSENS */ (iw_handler) NULL, /* SIOCGIWSENS */ (iw_handler) NULL, /* SIOCSIWRANGE */ (iw_handler) wlan_get_range, /* SIOCGIWRANGE */ (iw_handler) NULL, /* SIOCSIWPRIV */ (iw_handler) NULL, /* SIOCGIWPRIV */ (iw_handler) NULL, /* SIOCSIWSTATS */ (iw_handler) NULL, /* SIOCGIWSTATS */ iw_handler_set_spy, /* SIOCSIWSPY */ iw_handler_get_spy, /* SIOCGIWSPY */ iw_handler_set_thrspy, /* SIOCSIWTHRSPY */ iw_handler_get_thrspy, /* SIOCGIWTHRSPY */ (iw_handler) wlan_set_wap, /* SIOCSIWAP */ (iw_handler) wlan_get_wap, /* SIOCGIWAP */ (iw_handler) NULL, /* SIOCSIWMLME */ (iw_handler) NULL, /* SIOCGIWAPLIST - deprecated */ (iw_handler) libertas_set_scan, /* SIOCSIWSCAN */ (iw_handler) libertas_get_scan, /* SIOCGIWSCAN */ (iw_handler) wlan_set_essid, /* SIOCSIWESSID */ (iw_handler) wlan_get_essid, /* SIOCGIWESSID */ (iw_handler) wlan_set_nick, /* SIOCSIWNICKN */ (iw_handler) wlan_get_nick, /* SIOCGIWNICKN */ (iw_handler) NULL, /* -- hole -- */ (iw_handler) NULL, /* -- hole -- */ (iw_handler) wlan_set_rate, /* SIOCSIWRATE */ (iw_handler) wlan_get_rate, /* SIOCGIWRATE */ (iw_handler) wlan_set_rts, /* SIOCSIWRTS */ (iw_handler) wlan_get_rts, /* SIOCGIWRTS */ (iw_handler) wlan_set_frag, /* SIOCSIWFRAG */ (iw_handler) wlan_get_frag, /* SIOCGIWFRAG */ (iw_handler) wlan_set_txpow, /* SIOCSIWTXPOW */ (iw_handler) wlan_get_txpow, /* SIOCGIWTXPOW */ (iw_handler) wlan_set_retry, /* SIOCSIWRETRY */ (iw_handler) wlan_get_retry, /* SIOCGIWRETRY */ (iw_handler) wlan_set_encode, /* SIOCSIWENCODE */ (iw_handler) wlan_get_encode, /* SIOCGIWENCODE */ (iw_handler) wlan_set_power, /* SIOCSIWPOWER */ (iw_handler) wlan_get_power, /* SIOCGIWPOWER */ (iw_handler) NULL, /* -- hole -- */ (iw_handler) NULL, /* -- hole -- */ (iw_handler) wlan_set_genie, /* SIOCSIWGENIE */ (iw_handler) wlan_get_genie, /* SIOCGIWGENIE */ (iw_handler) wlan_set_auth, /* SIOCSIWAUTH */ (iw_handler) wlan_get_auth, /* SIOCGIWAUTH */ (iw_handler) wlan_set_encodeext,/* SIOCSIWENCODEEXT */ (iw_handler) wlan_get_encodeext,/* SIOCGIWENCODEEXT */ (iw_handler) NULL, /* SIOCSIWPMKSA */ }; struct iw_handler_def libertas_handler_def = { .num_standard = sizeof(wlan_handler) / sizeof(iw_handler), .num_private = sizeof(wlan_private_handler) / sizeof(iw_handler), .num_private_args = sizeof(wlan_private_args) / sizeof(struct iw_priv_args), .standard = (iw_handler *) wlan_handler, .private = (iw_handler *) wlan_private_handler, .private_args = (struct iw_priv_args *)wlan_private_args, .get_wireless_stats = wlan_get_wireless_stats, };